1995-02-18 09:27:10 +08:00
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/*
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* Copyright (c) 1985, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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2000-08-24 18:00:43 +08:00
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*
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1995-02-18 09:27:10 +08:00
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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2000-08-24 18:00:43 +08:00
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*
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1995-02-18 09:27:10 +08:00
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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1999-12-05 02:05:55 +08:00
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*/
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/*
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1995-02-18 09:27:10 +08:00
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* Portions Copyright (c) 1993 by Digital Equipment Corporation.
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2000-08-24 18:00:43 +08:00
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*
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1995-02-18 09:27:10 +08:00
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies, and that
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* the name of Digital Equipment Corporation not be used in advertising or
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* publicity pertaining to distribution of the document or software without
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* specific, written prior permission.
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2000-08-24 18:00:43 +08:00
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*
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1995-02-18 09:27:10 +08:00
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* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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1999-12-05 02:05:55 +08:00
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*/
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/*
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* Portions Copyright (c) 1996-1999 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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1995-02-18 09:27:10 +08:00
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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1999-12-05 02:05:55 +08:00
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static const char sccsid[] = "@(#)res_send.c 8.1 (Berkeley) 6/4/93";
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Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
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static const char rcsid[] = "$BINDId: res_send.c,v 8.38 2000/03/30 20:16:51 vixie Exp $";
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1995-02-18 09:27:10 +08:00
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#endif /* LIBC_SCCS and not lint */
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/*
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* Send query to name server and wait for reply.
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*/
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2004-10-23 16:22:29 +08:00
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#include <assert.h>
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Update.
Wed Aug 14 21:36:16 1996 Ulrich Drepper <drepper@cygnus.com>
* stdlib/strtod.c (STRTOD): Correct assertion about size of
wint_t and wchar_t. Reported by David Mosberger-Tang.
Mon Aug 12 22:40:16 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/dl-lookup.c (_dl_lookup_symbol): Remove fifth parameter
RELOC_ADDR and make NOPLT a set of flags. All callers
changed. Delete condition that checks for resolving to the
location being filled in. Add condition to skip the
executable's symbols if requested.
* elf/link.h: Change declaration of _dl_lookup_symbol
accordingly.
(DL_LOOKUP_NOEXEC, DL_LOOKUP_NOPLT): New definitions.
* elf/dl-reloc.c (RESOLVE): Remove second parameter and rename
NOPLT to FLAGS.
* elf/dl-runtime.c (RESOLVE): Likewise.
* elf/rtld.c (RESOLVE): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Pass
DL_LOOKUP_NOEXEC as second argument to the RESOLVE macro if
processing a copy reloc, DL_LOOKUP_NOPLT for a jump slot
reloc, zero otherwise.
* sysdeps/alpha/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
* sysdeps/mips/dl-machine.h (elf_machine_rel): Likewise.
Wed Aug 14 17:57:08 1996 Ulrich Drepper <drepper@cygnus.com>
* MakeTAGS: Clean up use of --omit-header and -n for xgettext.
* po/header.pot: Add empty line at end.
Sun Aug 11 13:45:33 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* MakeTAGS (all-pot): Remove $P/errlist.pot, all error messages
are now in $P/stdio-common.pot.
(XGETTEXTFLAGS-errlist.pot): Variable removed.
Mon Aug 12 19:25:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules (do-ar, o-iterator-doit): Compute path to autolock
script at run time, not configure time.
* config.make.in, configure.in: Undo previous change.
Wed Aug 14 13:20:02 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/i386/close.S: Push return value of thread
on stack as argument for `_exit'. Reported by Andreas Schwab.
Mon Aug 12 19:36:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/clone.S: New file.
Wed Aug 14 04:22:35 1996 Richard Henderson <rth@tamu.edu>
* elf/dl-load.c (_dl_map_object): Save name in malloced memory.
(_dl_map_object_from_fd): Free name on error.
Wed Aug 14 13:00:09 1996 Ulrich Drepper <drepper@cygnus.com>
* string/strdup.c: Use result of memcpy to avoid reloading.
Tue Aug 13 00:55:03 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* shadow/sgetspent_r.c (__sgetspent_r): Copy string to buffer, not
the other way round.
* resolv/Makefile (libresolv-routines): Add base64, inet_net_ntop,
inet_net_pton, inet_net.
* resolv/arpa/nameser.h (__BIND): Update version number.
Mon Aug 12 19:03:22 1996 Thomas Bushnell n/BSG <thomas@psilocin.gnu.ai.mit.edu>
* sysdeps/generic/gnu/types.h: Declare __fd_mask as `unsigned long'.
* mach/Makefile (mach/mach_host.uh): Depend on
$(objpfx)/mach-syscalls.mk.
($(objpfx)mach-shortcuts.h): Depend on $(objpfx)mach/mach_host.h.
(This fixes a make loop; thanks to Marcus Daniels
<marcus@sysc.pdx.edu> for the patch.)
1996-08-15 05:45:21 +08:00
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#include <sys/types.h>
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1995-02-18 09:27:10 +08:00
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
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#include <sys/poll.h>
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1999-12-05 02:05:55 +08:00
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1995-02-18 09:27:10 +08:00
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#include <netinet/in.h>
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#include <arpa/nameser.h>
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#include <arpa/inet.h>
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2002-10-18 05:51:21 +08:00
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#include <sys/ioctl.h>
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1995-02-18 09:27:10 +08:00
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#include <errno.h>
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2004-10-12 04:38:58 +08:00
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#include <fcntl.h>
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1999-12-05 02:05:55 +08:00
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#include <netdb.h>
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1995-02-18 09:27:10 +08:00
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#include <resolv.h>
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1999-12-05 02:05:55 +08:00
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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2002-10-18 05:51:21 +08:00
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#if PACKETSZ > 65536
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#define MAXPACKET PACKETSZ
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#else
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#define MAXPACKET 65536
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#endif
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1999-12-05 02:05:55 +08:00
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Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
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/* From ev_streams.c. */
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2000-08-24 18:00:43 +08:00
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2003-06-14 05:05:42 +08:00
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static inline void
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__attribute ((always_inline))
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evConsIovec(void *buf, size_t cnt, struct iovec *vec) {
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memset(vec, 0xf5, sizeof (*vec));
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vec->iov_base = buf;
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vec->iov_len = cnt;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
}
|
1995-02-18 09:27:10 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* From ev_timers.c. */
|
1999-07-25 08:58:33 +08:00
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
#define BILLION 1000000000
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
2003-06-14 05:05:42 +08:00
|
|
|
static inline void
|
|
|
|
evConsTime(struct timespec *res, time_t sec, long nsec) {
|
|
|
|
res->tv_sec = sec;
|
|
|
|
res->tv_nsec = nsec;
|
1999-12-05 02:05:55 +08:00
|
|
|
}
|
1995-02-18 09:27:10 +08:00
|
|
|
|
2003-06-14 05:05:42 +08:00
|
|
|
static inline void
|
|
|
|
evAddTime(struct timespec *res, const struct timespec *addend1,
|
|
|
|
const struct timespec *addend2) {
|
|
|
|
res->tv_sec = addend1->tv_sec + addend2->tv_sec;
|
|
|
|
res->tv_nsec = addend1->tv_nsec + addend2->tv_nsec;
|
|
|
|
if (res->tv_nsec >= BILLION) {
|
|
|
|
res->tv_sec++;
|
|
|
|
res->tv_nsec -= BILLION;
|
1999-12-05 02:05:55 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-06-14 05:05:42 +08:00
|
|
|
static inline void
|
|
|
|
evSubTime(struct timespec *res, const struct timespec *minuend,
|
|
|
|
const struct timespec *subtrahend) {
|
|
|
|
res->tv_sec = minuend->tv_sec - subtrahend->tv_sec;
|
|
|
|
if (minuend->tv_nsec >= subtrahend->tv_nsec)
|
|
|
|
res->tv_nsec = minuend->tv_nsec - subtrahend->tv_nsec;
|
1999-12-05 02:05:55 +08:00
|
|
|
else {
|
2003-06-14 05:05:42 +08:00
|
|
|
res->tv_nsec = (BILLION
|
|
|
|
- subtrahend->tv_nsec + minuend->tv_nsec);
|
|
|
|
res->tv_sec--;
|
1999-12-05 02:05:55 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
static inline int
|
1999-12-05 02:05:55 +08:00
|
|
|
evCmpTime(struct timespec a, struct timespec b) {
|
|
|
|
long x = a.tv_sec - b.tv_sec;
|
|
|
|
|
|
|
|
if (x == 0L)
|
|
|
|
x = a.tv_nsec - b.tv_nsec;
|
|
|
|
return (x < 0L ? (-1) : x > 0L ? (1) : (0));
|
|
|
|
}
|
|
|
|
|
2003-06-14 05:05:42 +08:00
|
|
|
static inline void
|
|
|
|
evNowTime(struct timespec *res) {
|
1999-12-05 02:05:55 +08:00
|
|
|
struct timeval now;
|
|
|
|
|
|
|
|
if (gettimeofday(&now, NULL) < 0)
|
2003-06-14 05:05:42 +08:00
|
|
|
evConsTime(res, 0, 0);
|
|
|
|
else
|
|
|
|
TIMEVAL_TO_TIMESPEC (&now, res);
|
1999-12-05 02:05:55 +08:00
|
|
|
}
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* Options. Leave them on. */
|
|
|
|
/* #undef DEBUG */
|
|
|
|
#include "res_debug.h"
|
1999-12-05 02:05:55 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
#define EXT(res) ((res)->_u._ext)
|
1995-02-18 09:27:10 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* Forward. */
|
|
|
|
|
|
|
|
static int send_vc(res_state, const u_char *, int,
|
2002-10-18 05:51:21 +08:00
|
|
|
u_char **, int *, int *, int, u_char **);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
static int send_dg(res_state, const u_char *, int,
|
2002-10-18 05:51:21 +08:00
|
|
|
u_char **, int *, int *, int,
|
|
|
|
int *, int *, u_char **);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
#ifdef DEBUG
|
|
|
|
static void Aerror(const res_state, FILE *, const char *, int,
|
2004-08-09 08:25:37 +08:00
|
|
|
const struct sockaddr *);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
static void Perror(const res_state, FILE *, const char *, int);
|
|
|
|
#endif
|
2000-07-26 16:05:34 +08:00
|
|
|
static int sock_eq(struct sockaddr_in6 *, struct sockaddr_in6 *);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
|
|
|
/* Reachover. */
|
|
|
|
|
2000-07-26 16:05:34 +08:00
|
|
|
static void convaddr4to6(struct sockaddr_in6 *sa);
|
1999-12-05 02:05:55 +08:00
|
|
|
void res_pquery(const res_state, const u_char *, int, FILE *);
|
1995-02-18 09:27:10 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* Public. */
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
/* int
|
|
|
|
* res_isourserver(ina)
|
|
|
|
* looks up "ina" in _res.ns_addr_list[]
|
|
|
|
* returns:
|
|
|
|
* 0 : not found
|
|
|
|
* >0 : found
|
|
|
|
* author:
|
|
|
|
* paul vixie, 29may94
|
|
|
|
*/
|
|
|
|
int
|
2000-07-26 16:05:34 +08:00
|
|
|
res_ourserver_p(const res_state statp, const struct sockaddr_in6 *inp)
|
|
|
|
{
|
1999-12-05 02:05:55 +08:00
|
|
|
int ns;
|
1995-02-18 09:27:10 +08:00
|
|
|
|
2000-07-26 16:05:34 +08:00
|
|
|
if (inp->sin6_family == AF_INET) {
|
2000-08-24 18:00:43 +08:00
|
|
|
struct sockaddr_in *in4p = (struct sockaddr_in *) inp;
|
|
|
|
in_port_t port = in4p->sin_port;
|
|
|
|
in_addr_t addr = in4p->sin_addr.s_addr;
|
2000-07-26 16:05:34 +08:00
|
|
|
|
|
|
|
for (ns = 0; ns < MAXNS; ns++) {
|
|
|
|
const struct sockaddr_in *srv =
|
|
|
|
(struct sockaddr_in *)EXT(statp).nsaddrs[ns];
|
|
|
|
|
|
|
|
if ((srv != NULL) && (srv->sin_family == AF_INET) &&
|
2000-08-24 18:00:43 +08:00
|
|
|
(srv->sin_port == port) &&
|
2000-07-26 16:05:34 +08:00
|
|
|
(srv->sin_addr.s_addr == INADDR_ANY ||
|
2000-08-24 18:00:43 +08:00
|
|
|
srv->sin_addr.s_addr == addr))
|
2000-07-26 16:05:34 +08:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
} else if (inp->sin6_family == AF_INET6) {
|
|
|
|
for (ns = 0; ns < MAXNS; ns++) {
|
|
|
|
const struct sockaddr_in6 *srv = EXT(statp).nsaddrs[ns];
|
|
|
|
if ((srv != NULL) && (srv->sin6_family == AF_INET6) &&
|
|
|
|
(srv->sin6_port == inp->sin6_port) &&
|
|
|
|
!(memcmp(&srv->sin6_addr, &in6addr_any,
|
|
|
|
sizeof (struct in6_addr)) &&
|
|
|
|
memcmp(&srv->sin6_addr, &inp->sin6_addr,
|
|
|
|
sizeof (struct in6_addr))))
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
}
|
1999-12-05 02:05:55 +08:00
|
|
|
return (0);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* int
|
|
|
|
* res_nameinquery(name, type, class, buf, eom)
|
|
|
|
* look for (name,type,class) in the query section of packet (buf,eom)
|
1998-05-29 18:21:16 +08:00
|
|
|
* requires:
|
1999-12-05 02:05:55 +08:00
|
|
|
* buf + HFIXEDSZ <= eom
|
1995-02-18 09:27:10 +08:00
|
|
|
* returns:
|
|
|
|
* -1 : format error
|
|
|
|
* 0 : not found
|
|
|
|
* >0 : found
|
|
|
|
* author:
|
|
|
|
* paul vixie, 29may94
|
|
|
|
*/
|
|
|
|
int
|
1999-12-05 02:05:55 +08:00
|
|
|
res_nameinquery(const char *name, int type, int class,
|
|
|
|
const u_char *buf, const u_char *eom)
|
1995-02-18 09:27:10 +08:00
|
|
|
{
|
1999-12-05 02:05:55 +08:00
|
|
|
const u_char *cp = buf + HFIXEDSZ;
|
1995-02-18 09:27:10 +08:00
|
|
|
int qdcount = ntohs(((HEADER*)buf)->qdcount);
|
|
|
|
|
|
|
|
while (qdcount-- > 0) {
|
|
|
|
char tname[MAXDNAME+1];
|
1999-12-05 02:05:55 +08:00
|
|
|
int n, ttype, tclass;
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
n = dn_expand(buf, eom, cp, tname, sizeof tname);
|
|
|
|
if (n < 0)
|
|
|
|
return (-1);
|
|
|
|
cp += n;
|
1998-05-29 18:21:16 +08:00
|
|
|
if (cp + 2 * INT16SZ > eom)
|
|
|
|
return (-1);
|
1999-12-05 02:05:55 +08:00
|
|
|
ttype = ns_get16(cp); cp += INT16SZ;
|
|
|
|
tclass = ns_get16(cp); cp += INT16SZ;
|
|
|
|
if (ttype == type && tclass == class &&
|
|
|
|
ns_samename(tname, name) == 1)
|
1995-02-18 09:27:10 +08:00
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
return (0);
|
|
|
|
}
|
2004-10-18 13:10:37 +08:00
|
|
|
libresolv_hidden_def (res_nameinquery)
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
/* int
|
|
|
|
* res_queriesmatch(buf1, eom1, buf2, eom2)
|
|
|
|
* is there a 1:1 mapping of (name,type,class)
|
|
|
|
* in (buf1,eom1) and (buf2,eom2)?
|
|
|
|
* returns:
|
|
|
|
* -1 : format error
|
|
|
|
* 0 : not a 1:1 mapping
|
|
|
|
* >0 : is a 1:1 mapping
|
|
|
|
* author:
|
|
|
|
* paul vixie, 29may94
|
|
|
|
*/
|
|
|
|
int
|
1999-12-05 02:05:55 +08:00
|
|
|
res_queriesmatch(const u_char *buf1, const u_char *eom1,
|
|
|
|
const u_char *buf2, const u_char *eom2)
|
1995-02-18 09:27:10 +08:00
|
|
|
{
|
1999-12-05 02:05:55 +08:00
|
|
|
const u_char *cp = buf1 + HFIXEDSZ;
|
1995-02-18 09:27:10 +08:00
|
|
|
int qdcount = ntohs(((HEADER*)buf1)->qdcount);
|
|
|
|
|
1998-05-29 18:21:16 +08:00
|
|
|
if (buf1 + HFIXEDSZ > eom1 || buf2 + HFIXEDSZ > eom2)
|
|
|
|
return (-1);
|
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
/*
|
|
|
|
* Only header section present in replies to
|
|
|
|
* dynamic update packets.
|
|
|
|
*/
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if ((((HEADER *)buf1)->opcode == ns_o_update) &&
|
|
|
|
(((HEADER *)buf2)->opcode == ns_o_update))
|
1999-12-05 02:05:55 +08:00
|
|
|
return (1);
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
if (qdcount != ntohs(((HEADER*)buf2)->qdcount))
|
|
|
|
return (0);
|
|
|
|
while (qdcount-- > 0) {
|
|
|
|
char tname[MAXDNAME+1];
|
1999-12-05 02:05:55 +08:00
|
|
|
int n, ttype, tclass;
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
n = dn_expand(buf1, eom1, cp, tname, sizeof tname);
|
|
|
|
if (n < 0)
|
|
|
|
return (-1);
|
|
|
|
cp += n;
|
1998-05-29 18:21:16 +08:00
|
|
|
if (cp + 2 * INT16SZ > eom1)
|
|
|
|
return (-1);
|
1999-12-05 02:05:55 +08:00
|
|
|
ttype = ns_get16(cp); cp += INT16SZ;
|
|
|
|
tclass = ns_get16(cp); cp += INT16SZ;
|
1995-02-18 09:27:10 +08:00
|
|
|
if (!res_nameinquery(tname, ttype, tclass, buf2, eom2))
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
return (1);
|
|
|
|
}
|
2004-10-18 13:10:37 +08:00
|
|
|
libresolv_hidden_def (res_queriesmatch)
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
int
|
2002-10-18 05:51:21 +08:00
|
|
|
__libc_res_nsend(res_state statp, const u_char *buf, int buflen,
|
|
|
|
u_char *ans, int anssiz, u_char **ansp)
|
1995-02-18 09:27:10 +08:00
|
|
|
{
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
int gotsomewhere, terrno, try, v_circuit, resplen, ns, n;
|
1995-02-18 09:27:10 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (statp->nscount == 0) {
|
|
|
|
__set_errno (ESRCH);
|
|
|
|
return (-1);
|
|
|
|
}
|
2002-10-18 05:51:21 +08:00
|
|
|
|
1998-05-29 18:21:16 +08:00
|
|
|
if (anssiz < HFIXEDSZ) {
|
|
|
|
__set_errno (EINVAL);
|
|
|
|
return (-1);
|
|
|
|
}
|
2002-10-18 05:51:21 +08:00
|
|
|
|
|
|
|
if ((statp->qhook || statp->rhook) && anssiz < MAXPACKET && ansp) {
|
|
|
|
u_char *buf = malloc (MAXPACKET);
|
|
|
|
if (buf == NULL)
|
|
|
|
return (-1);
|
|
|
|
memcpy (buf, ans, HFIXEDSZ);
|
|
|
|
*ansp = buf;
|
|
|
|
ans = buf;
|
|
|
|
anssiz = MAXPACKET;
|
|
|
|
}
|
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
DprintQ((statp->options & RES_DEBUG) || (statp->pfcode & RES_PRF_QUERY),
|
1995-07-26 18:14:02 +08:00
|
|
|
(stdout, ";; res_send()\n"), buf, buflen);
|
1999-12-05 02:05:55 +08:00
|
|
|
v_circuit = (statp->options & RES_USEVC) || buflen > PACKETSZ;
|
1995-02-18 09:27:10 +08:00
|
|
|
gotsomewhere = 0;
|
|
|
|
terrno = ETIMEDOUT;
|
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
/*
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
* If the ns_addr_list in the resolver context has changed, then
|
|
|
|
* invalidate our cached copy and the associated timing data.
|
1999-12-05 02:05:55 +08:00
|
|
|
*/
|
2001-01-05 10:36:27 +08:00
|
|
|
if (EXT(statp).nsinit) {
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
int needclose = 0;
|
|
|
|
|
|
|
|
if (EXT(statp).nscount != statp->nscount)
|
|
|
|
needclose++;
|
|
|
|
else
|
2002-05-31 15:54:02 +08:00
|
|
|
for (ns = 0; ns < MAXNS; ns++) {
|
|
|
|
unsigned int map = EXT(statp).nsmap[ns];
|
|
|
|
if (map < MAXNS
|
|
|
|
&& !sock_eq((struct sockaddr_in6 *)
|
|
|
|
&statp->nsaddr_list[map],
|
|
|
|
EXT(statp).nsaddrs[ns]))
|
2000-07-26 16:05:34 +08:00
|
|
|
{
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
needclose++;
|
|
|
|
break;
|
|
|
|
}
|
2002-05-31 15:54:02 +08:00
|
|
|
}
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (needclose)
|
|
|
|
res_nclose(statp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Maybe initialize our private copy of the ns_addr_list.
|
|
|
|
*/
|
2001-01-05 10:36:27 +08:00
|
|
|
if (EXT(statp).nsinit == 0) {
|
2002-05-31 15:54:02 +08:00
|
|
|
unsigned char map[MAXNS];
|
|
|
|
|
|
|
|
memset (map, MAXNS, sizeof (map));
|
|
|
|
for (n = 0; n < MAXNS; n++) {
|
|
|
|
ns = EXT(statp).nsmap[n];
|
|
|
|
if (ns < statp->nscount)
|
|
|
|
map[ns] = n;
|
|
|
|
else if (ns < MAXNS) {
|
|
|
|
free(EXT(statp).nsaddrs[n]);
|
|
|
|
EXT(statp).nsaddrs[n] = NULL;
|
|
|
|
EXT(statp).nsmap[n] = MAXNS;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
n = statp->nscount;
|
|
|
|
if (statp->nscount > EXT(statp).nscount)
|
|
|
|
for (n = EXT(statp).nscount, ns = 0;
|
|
|
|
n < statp->nscount; n++) {
|
|
|
|
while (ns < MAXNS
|
|
|
|
&& EXT(statp).nsmap[ns] != MAXNS)
|
|
|
|
ns++;
|
|
|
|
if (ns == MAXNS)
|
|
|
|
break;
|
|
|
|
EXT(statp).nsmap[ns] = n;
|
|
|
|
map[n] = ns++;
|
|
|
|
}
|
|
|
|
EXT(statp).nscount = n;
|
|
|
|
for (ns = 0; ns < EXT(statp).nscount; ns++) {
|
|
|
|
n = map[ns];
|
2000-07-26 16:05:34 +08:00
|
|
|
if (EXT(statp).nsaddrs[n] == NULL)
|
|
|
|
EXT(statp).nsaddrs[n] =
|
|
|
|
malloc(sizeof (struct sockaddr_in6));
|
|
|
|
if (EXT(statp).nsaddrs[n] != NULL) {
|
|
|
|
memcpy(EXT(statp).nsaddrs[n],
|
|
|
|
&statp->nsaddr_list[ns],
|
|
|
|
sizeof (struct sockaddr_in));
|
|
|
|
EXT(statp).nssocks[n] = -1;
|
|
|
|
n++;
|
|
|
|
}
|
2002-05-31 15:54:02 +08:00
|
|
|
}
|
|
|
|
EXT(statp).nsinit = 1;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Some resolvers want to even out the load on their nameservers.
|
|
|
|
* Note that RES_BLAST overrides RES_ROTATE.
|
|
|
|
*/
|
|
|
|
if ((statp->options & RES_ROTATE) != 0 &&
|
|
|
|
(statp->options & RES_BLAST) == 0) {
|
2000-07-26 16:05:34 +08:00
|
|
|
struct sockaddr_in6 *ina;
|
2002-05-31 15:54:02 +08:00
|
|
|
unsigned int map;
|
2000-07-26 16:05:34 +08:00
|
|
|
|
2002-05-31 15:54:02 +08:00
|
|
|
n = 0;
|
|
|
|
while (n < MAXNS && EXT(statp).nsmap[n] == MAXNS)
|
|
|
|
n++;
|
|
|
|
if (n < MAXNS) {
|
|
|
|
ina = EXT(statp).nsaddrs[n];
|
|
|
|
map = EXT(statp).nsmap[n];
|
|
|
|
for (;;) {
|
|
|
|
ns = n + 1;
|
|
|
|
while (ns < MAXNS
|
|
|
|
&& EXT(statp).nsmap[ns] == MAXNS)
|
|
|
|
ns++;
|
|
|
|
if (ns == MAXNS)
|
|
|
|
break;
|
|
|
|
EXT(statp).nsaddrs[n] = EXT(statp).nsaddrs[ns];
|
|
|
|
EXT(statp).nsmap[n] = EXT(statp).nsmap[ns];
|
|
|
|
n = ns;
|
|
|
|
}
|
|
|
|
EXT(statp).nsaddrs[n] = ina;
|
|
|
|
EXT(statp).nsmap[n] = map;
|
|
|
|
}
|
1999-12-05 02:05:55 +08:00
|
|
|
}
|
1999-07-25 08:58:33 +08:00
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
/*
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
* Send request, RETRY times, or until successful.
|
1995-02-18 09:27:10 +08:00
|
|
|
*/
|
1999-12-05 02:05:55 +08:00
|
|
|
for (try = 0; try < statp->retry; try++) {
|
2000-07-26 16:05:34 +08:00
|
|
|
for (ns = 0; ns < MAXNS; ns++)
|
|
|
|
{
|
|
|
|
struct sockaddr_in6 *nsap = EXT(statp).nsaddrs[ns];
|
|
|
|
|
|
|
|
if (nsap == NULL)
|
|
|
|
goto next_ns;
|
1999-12-05 02:05:55 +08:00
|
|
|
same_ns:
|
|
|
|
if (statp->qhook) {
|
1995-02-18 09:27:10 +08:00
|
|
|
int done = 0, loops = 0;
|
|
|
|
|
|
|
|
do {
|
|
|
|
res_sendhookact act;
|
|
|
|
|
2003-06-14 05:05:42 +08:00
|
|
|
struct sockaddr_in *nsap4;
|
|
|
|
nsap4 = (struct sockaddr_in *) nsap;
|
|
|
|
act = (*statp->qhook)(&nsap4, &buf, &buflen,
|
2000-07-26 16:05:34 +08:00
|
|
|
ans, anssiz, &resplen);
|
2003-06-14 05:05:42 +08:00
|
|
|
nsap = (struct sockaddr_in6 *) nsap4;
|
1995-02-18 09:27:10 +08:00
|
|
|
switch (act) {
|
|
|
|
case res_goahead:
|
|
|
|
done = 1;
|
|
|
|
break;
|
|
|
|
case res_nextns:
|
1999-12-05 02:05:55 +08:00
|
|
|
res_nclose(statp);
|
1995-02-18 09:27:10 +08:00
|
|
|
goto next_ns;
|
|
|
|
case res_done:
|
1999-12-05 02:05:55 +08:00
|
|
|
return (resplen);
|
1995-02-18 09:27:10 +08:00
|
|
|
case res_modified:
|
|
|
|
/* give the hook another try */
|
|
|
|
if (++loops < 42) /*doug adams*/
|
|
|
|
break;
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case res_error:
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
default:
|
1999-12-05 02:05:55 +08:00
|
|
|
return (-1);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
|
|
|
} while (!done);
|
|
|
|
}
|
|
|
|
|
2004-10-23 14:12:20 +08:00
|
|
|
#ifdef DEBUG
|
2004-08-09 08:25:37 +08:00
|
|
|
char tmpbuf[40];
|
2004-10-23 14:12:20 +08:00
|
|
|
#endif
|
2004-08-09 08:25:37 +08:00
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; Querying server (# %d) address = %s\n",
|
|
|
|
ns + 1, inet_ntop(AF_INET6, &nsap->sin6_addr,
|
|
|
|
tmpbuf, sizeof (tmpbuf))));
|
1995-02-18 09:27:10 +08:00
|
|
|
|
|
|
|
if (v_circuit) {
|
1999-12-05 02:05:55 +08:00
|
|
|
/* Use VC; at most one attempt per server. */
|
|
|
|
try = statp->retry;
|
2002-10-18 05:51:21 +08:00
|
|
|
n = send_vc(statp, buf, buflen, &ans, &anssiz, &terrno,
|
|
|
|
ns, ansp);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (n < 0)
|
|
|
|
return (-1);
|
|
|
|
if (n == 0)
|
1995-02-18 09:27:10 +08:00
|
|
|
goto next_ns;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
resplen = n;
|
1995-02-18 09:27:10 +08:00
|
|
|
} else {
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* Use datagrams. */
|
2002-10-18 05:51:21 +08:00
|
|
|
n = send_dg(statp, buf, buflen, &ans, &anssiz, &terrno,
|
|
|
|
ns, &v_circuit, &gotsomewhere, ansp);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (n < 0)
|
|
|
|
return (-1);
|
|
|
|
if (n == 0)
|
1999-12-05 02:05:55 +08:00
|
|
|
goto next_ns;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (v_circuit)
|
1995-02-18 09:27:10 +08:00
|
|
|
goto same_ns;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
resplen = n;
|
|
|
|
}
|
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
Dprint((statp->options & RES_DEBUG) ||
|
|
|
|
((statp->pfcode & RES_PRF_REPLY) &&
|
|
|
|
(statp->pfcode & RES_PRF_HEAD1)),
|
1995-12-08 03:37:55 +08:00
|
|
|
(stdout, ";; got answer:\n"));
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
DprintQ((statp->options & RES_DEBUG) ||
|
|
|
|
(statp->pfcode & RES_PRF_REPLY),
|
2004-08-09 08:25:37 +08:00
|
|
|
(stdout, "%s", ""),
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
ans, (resplen > anssiz) ? anssiz : resplen);
|
|
|
|
|
1995-02-18 09:27:10 +08:00
|
|
|
/*
|
|
|
|
* If we have temporarily opened a virtual circuit,
|
|
|
|
* or if we haven't been asked to keep a socket open,
|
|
|
|
* close the socket.
|
|
|
|
*/
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if ((v_circuit && (statp->options & RES_USEVC) == 0) ||
|
|
|
|
(statp->options & RES_STAYOPEN) == 0) {
|
1999-12-05 02:05:55 +08:00
|
|
|
res_nclose(statp);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
1999-12-05 02:05:55 +08:00
|
|
|
if (statp->rhook) {
|
1995-02-18 09:27:10 +08:00
|
|
|
int done = 0, loops = 0;
|
|
|
|
|
|
|
|
do {
|
|
|
|
res_sendhookact act;
|
|
|
|
|
2000-07-26 16:05:34 +08:00
|
|
|
act = (*statp->rhook)((struct sockaddr_in *)
|
|
|
|
nsap, buf, buflen,
|
|
|
|
ans, anssiz, &resplen);
|
1995-02-18 09:27:10 +08:00
|
|
|
switch (act) {
|
|
|
|
case res_goahead:
|
|
|
|
case res_done:
|
|
|
|
done = 1;
|
|
|
|
break;
|
|
|
|
case res_nextns:
|
1999-12-05 02:05:55 +08:00
|
|
|
res_nclose(statp);
|
1995-02-18 09:27:10 +08:00
|
|
|
goto next_ns;
|
|
|
|
case res_modified:
|
|
|
|
/* give the hook another try */
|
|
|
|
if (++loops < 42) /*doug adams*/
|
|
|
|
break;
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case res_error:
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
default:
|
1999-12-05 02:05:55 +08:00
|
|
|
return (-1);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
|
|
|
} while (!done);
|
|
|
|
|
|
|
|
}
|
1999-12-05 02:05:55 +08:00
|
|
|
return (resplen);
|
|
|
|
next_ns: ;
|
1995-02-18 09:27:10 +08:00
|
|
|
} /*foreach ns*/
|
|
|
|
} /*foreach retry*/
|
1999-12-05 02:05:55 +08:00
|
|
|
res_nclose(statp);
|
1998-09-14 19:43:26 +08:00
|
|
|
if (!v_circuit) {
|
1995-02-18 09:27:10 +08:00
|
|
|
if (!gotsomewhere)
|
1999-12-05 02:05:55 +08:00
|
|
|
__set_errno (ECONNREFUSED); /* no nameservers found */
|
1995-02-18 09:27:10 +08:00
|
|
|
else
|
1999-12-05 02:05:55 +08:00
|
|
|
__set_errno (ETIMEDOUT); /* no answer obtained */
|
1998-09-14 19:43:26 +08:00
|
|
|
} else
|
update from main archive
Mon Sep 23 15:31:04 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* hurd/Makefile ($(includedir)/rpc/netdb.h): There is no make
variable `top_srcdir' in libc; use $(..) instead.
* sysdeps/mach/hurd/Makefile (rtld-installed-name): Delete special
definition. It was a *Mistake*. (With a capital M.)
* sysdeps/mach/getsysstats.c (__get_nprocs): Renamed from
__get_nproc.
(__get_nprocs_conf): Renamed from __get_nproc_conf.
Fri Sep 27 03:49:56 1996 Ulrich Drepper <drepper@cygnus.com>
Add support for cancelable system calls.
* csu/initfini.c: Make in crti.o reference to symbol
__libc_force_cancel_wrapper when compiling reentrant version.
* misc/Makefile (routines): Add force-wrapper.
* misc/force-wrapper.c: New file.
* posix/system.c: Rename function to __libc_system and make system
a weak alias.
* sysdeps/stub/system.c: Likewise.
* posix/wait.c: Rename function to __libc_wait and make __wait a
weak alias. De-ANSI-fy.
* sysdeps/standalone/read.c: Rename function to __libc_read and
make __read a weak alias.
* sysdeps/stub/read.c: Likewise.
* sysdeps/standalone/write.c: Rename function to __libc_write and
make __write a weak alias.
* sysdeps/stub/write.c: Likewise.
* sysdeps/stub/tcdrain.c: Rename function to __libc_tcdrain and
make tcdrain a weak alias.
* sysdeps/unix/bsd/tcdrain.c: Likewise.
* sysdeps/unix/bsd/bsd4.4/tcdrain.c: Likewise.
* sysdeps/unix/sysv/tcdrain.c: Likewise.
* sysdeps/unix/sysv/linux/tcdrain.c: Likewise.
* sysdeps/unix/bsd/bsd4.4/wait.c: Rename function to __libc_wait
and make __wait a weak alias.
* sysdeps/stub/waitpid.c: Rename function to __libc_waitpid and
make __waitpid a weak alias.
* sysdeps/unix/bsd/bsd4.4/waitpid.c: Likewise.
* sysdeps/unix/sysv/linux/waitpid.c: Likewise.
* sysdeps/unix/sysv/sysv4/waitpid.c: Likewise.
* sysdeps/unix/common/pause.c: Rename function to __libc_pause
and make pause a weak alias. De-ANSI-fy.
* sysdeps/unix/syscalls.list: Change name for close, fcntl, fsync,
lseek, open, read, and write to have __libc_ prefix and make old
names a weak alias.
* sysdeps/unix/mman/syscalls.list: Likewise for msync.
* sysdeps/unix/sysv/linux/syscalls.list: Likewise for nanosleep.
* io/creat.c: De-ANSI-fy.
* sysdeps/unix/sysv/linux/syscalls.list: Add pause.
Thu Sep 26 19:15:55 1996 Ulrich Drepper <drepper@cygnus.com>
* misc/mntent.h: Add MNTTYPE_* and MNTOPT_* macros.
Reported by Hans Grobler <grobh@nolian.ee.sun.ac.za>.
Thu Sep 26 14:40:10 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/pathconf.c: Pass descriptor for just opened file
to fpathconf.
Reported by Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>.
Thu Sep 26 04:02:43 1996 Ulrich Drepper <drepper@cygnus.com>
* locale/programs/locfile.c (write_locale_data): Allocate room
even for file name for LC_MESSAGES locale.
(locafile_read): `tok_era' must be handled as a string list.
* locale/programs/ld-time.c: Finish correction of handling `era'.
* locale/C-time.c (_nl_C_LC_TIME): Add initializer for new fields.
* locale/categories.def: Add postload function for LC_TIME.
* locale/setlocale.c: Make lock global and rename to
__libc_setlocale_lock.
* locale/localeinfo.h (struct era_entry): New type. Used in strftime.
Add prototypes for _nl_get_era_entry and _nl_get_alt_digit.
* locale/lc-time.c (_nl_postload_time): New function. Initialize
lazy intialization.
(_nl_get_era_entry): New function. Return era entry which corresponds
to given year.
(_nl_get_alt_digit): New function. Return string with alternate
digit representation for given number.
* time/strftime.c (strftime): Use _nl_get_alt_digit to get
string representing alternate digit notation.
Wed Sep 25 17:31:55 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/generic/waitstatus.h (union wait): Add w_status field.
Reported by Hans Grobler <grobh@nolian.ee.sun.ac.za>.
* elf/rtld.c (dl_main): Process LD_PRELOAD before loading
ld.so.preload. Suggested by David Engel <david@elo.ods.com>.
Wed Sep 25 13:10:57 1996 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c (main): Change --version again because RMS wants
the package name in parentheses.
* db/makedb.c: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
Tue Sep 24 01:28:05 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile ($(objpfx)sysd-dirs): Depend on Subdirs files, command
rewritten.
($(objpfx)version-info.h): Depend on Banner files, command
rewritten.
Wed Sep 25 02:44:41 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/sleep.c: New file. Based on nanosleep.
Tue Sep 24 21:46:02 1996 Ulrich Drepper <drepper@cygnus.com>
* shadow/lckpwdf.c (PWD_LOCKFILE): Change to /etc/lock.pwd to be
on the same device as the password file.
* shadow/shadow.h (struct spwd): Change type of numeric fields
to `long int' since there value are days, not seconds.
* shadow/putspent.c: Change casts from time_t to `long int'.
* shadow/sgetspent_r.c (LINE_READER): Likewise.
Mon Sep 23 23:05:24 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/errnos.h: Define __set_errno to make
sure the thread specific variable is set as well as the global
variable.
* sysdeps/mach/hurd/errnos.awk: Define macro for source code
compatibility.
* sysdeps/stub/errnos.h: Likewise.
* sysdeps/unix/bsd/bsd4.4/errnos.h: Likewise.
* shadow/putspent.c: Don't include <errno.h>.
* dirent/scandir.c (scandir): Use __set_errno to set errno
variable.
* elf/dl-load.c (open_path): Likewise.
* inet/rcmd.c (rcmd): Likewise.
(rresvport): Likewise.
* intl/dcgettext.c [!__set_errno]: Define __set_errno.
(DCGETTEXT): Use __set_errno to set errno variable.
* io/fts.c (fts_open): Likewise.
(fts_close): Likewise.
(fts_read): Likewise.
(fts_set): Likewise.
(fts_children): Likewise.
(fts_build): Likewise.
(fts_stat): Likewise.
* io/ftw.c (ftw_dir): Likewise.
(ftw): Likewise.
* io/getwd.c (getwd): Likewise.
* io/lockf.c (lockf): Likewise.
* libio/libioP.h [EINVAL]: Use __set_errno to define MAYBE_SET_EINVAL.
* libio/iofdopen.c (_IO_fdopen): Use MAYBE_SET_EINVAL to errno.
* libio/iogetdelim.c (_IO_getdelim): Likewise.
* libio/fileops.c (_IO_file_open): Use __set_errno to set errno
variable.
* libio/iofgetpos.c (_IO_fgetpos): Likewise.
* libio/iofsetpos.c (_IO_fsetpos): Likewise.
* libio/ioftell.c (_IO_ftell): Likewise.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* locale/nl_langinfo.c (nl_langinfo): Likewise.
* locale/setlocale.c (ERROR_RETURN): Likewise.
* login/getutid_r (__getutid_r): Likewise.
* login/getutline_r (__getutline_r): Likewise.
* login/login.c (tty_name): Likewise.
* login/oututline_r.c (__pututline_r): Likewise.
* malloc/malloc.c (morecore): Likewise.
* misc/efgcvt_r.c (fcvt_r): Likewise.
* misc/hsearch_r.c (hcreate_r): Likewise.
(hdestroy_r): Likewise.
(hsearch_r): Likewise.
* nss/nsswitch.c (__nss_configure_lookup): Likewise.
* nss/nss_dns/dns-host.c (_nss_dns_gethostbyname2_r): Likewise.
(_nss_dns_gethostbyaddr_r): Likewise.
* nss/nss_files/files-XXX.c (internal_getent): Likewise.
* nss/nss_files/files-parse.c (parse_list): Likewise.
* posix/confstr.c (confstr): Likewise. De-ANSI-fy.
* posix/execvp.c (execvp): Likewise.
* posix/glob.c: Define __set_errno.
(glob): Use __set_errno to set errno variable.
(glob_in_dir): Likewise.
* pwd/getpw.c: Likewise. De-ANSI-fy.
* pwd/putpwent.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/inet_pton.c: Likewise.
* resolv/res_query.c (res_search): Likewise.
* resolv/res_send.c (Aerror): Likewise.
(Perror): Likewise.
(res_send): Likewise.
* signal/sigaddset.c: Likewise. De-ANSI-fy.
* signal/sigdelset.c: Likewise.
* signal/sigempty.c: Likewise.
* signal/sigfillset.c: Likewise.
* signal/sigismem.c: Likewise.
* stdio/fclose.c: Likewise.
* stdio/feof.c: Likewise.
* stdio/ferror.c: Likewise.
* stdio/fflush.c: Likewise.
* stdio/fgetc.c: Likewise.
* stdio/fgetpos.c: Likewise.
* stdio/fgets.c: Likewise.
* stdio/fileno.c: Likewise.
* stdio/fmemopen.c: Likewise.
* stdio/fopen.c: Likewise.
* stdio/fputc.c: Likewise.
* stdio/fread.c: Likewise.
* stdio/freopen.c: Likewise.
* stdio/fseek.c: Likewise.
* stdio/fsetpos.c: Likewise.
* stdio/ftell.c: Likewise.
* stdio/fwrite.c: Likewise.
* stdio/getdelim.c: Likewise.
* stdio/gets.c: Likewise.
* stdio/glue.c: Likewise.
* stdio/internals.c: Likewise.
* stdio/memstream.c: Likewise.
* stdio/setvbuf.c: Likewise.
* stdio/ungetc.c: Likewise.
* stdio/vsscanf.c: Likewise.
* stdio-common/reg-printf.c: Likewise.
* stdio-common/vfprintf.c: Likewise.
* stdio-common/vfscanf.c: Likewise.
* stdlib/canonicalize.c: Likewise.
* stdlib/msort.c: Likewise.
* stdlib/random_r.c: Likewise.
* stdlib/strfmon.c: Likewise.
* stdlib/strtod.c: Likewise.
* stdlib/strtol.c: Likewise.
* sunrpc/bindrsvprt.c: Likewise.
* time/asctime.c: Likewise.
* time/localtime.c: Likewise.
* wcsmbs/mbrtowc.c: Likewise.
* wcsmbs/mbsnrtowcs.c: Likewise.
* wcsmbs/mbsrtowcs.c: Likewise.
* wcsmbs/wcrtomb.c: Likewise.
* wcsmbs/wcsnrtombs.c: Likewise.
* wcsmbs/wcsrtombs.c: Likewise.
* wcsmbs/wcstok.c: Likewise.
* sysdeps/generic/ftime.c: Likewise.
* sysdeps/generic/pty.c: Likewise.
* sysdeps/generic/setenv.c: Likewise.
* sysdeps/generic/speed.c: Likewise.
* sysdeps/generic/sysd-stdio.c: Likewise.
* sysdeps/generic/uname.c: Likewise.
* sysdeps/generic/vlimit.c: Likewise.
* sysdeps/libm-ieee754/k_standard.c: Likewise.
* sysdeps/libm-ieee754/s_ldexp.c: Likewise.
* sysdeps/libm-ieee754/s_ldexpf.c: Likewise.
* sysdeps/libm-ieee754/s_ldexpl.c: Likewise.
* sysdeps/libm-ieee754/w_scalb.c: Likewise.
* sysdeps/libm-ieee754/w_scalbf.c: Likewise.
* sysdeps/libm-ieee754/w_scalbl.c: Likewise.
* sysdeps/posix/dup2.c: Likewise.
* sysdeps/posix/euidaccess.c: Likewise.
* sysdeps/posix/fdopen.c: Likewise.
* sysdeps/posix/flock.c: Likewise.
* sysdeps/posix/fpathconf.c: Likewise.
* sysdeps/posix/getcwd.c: Likewise.
* sysdeps/posix/gettimeofday.c: Likewise.
* sysdeps/posix/isatty.c: Likewise.
* sysdeps/posix/isfdtype.c: Likewise.
* sysdeps/posix/killpg.c: Likewise.
* sysdeps/posix/mkstemp.c: Likewise.
* sysdeps/posix/mktemp.c: Likewise.
* sysdeps/posix/pathconf.c: Likewise.
* sysdeps/posix/pipestream.c: Likewise.
* sysdeps/posix/remove.c: Likewise.
* sysdeps/posix/rename.c: Likewise.
* sysdeps/posix/sigintr.c: Likewise.
* sysdeps/posix/signal.c: Likewise.
* sysdeps/posix/sigsuspend.c: Likewise.
* sysdeps/posix/sigvec.c: Likewise.
* sysdeps/posix/sleep.c: Likewise.
* sysdeps/posix/sysconf.c: Likewise.
* sysdeps/posix/system.c: Likewise.
* sysdeps/posix/tempname.c: Likewise.
* sysdeps/posix/truncate.c: Likewise.
* sysdeps/posix/ttyname.c: Likewise.
* sysdeps/posix/ttyname_r.c: Likewise.
* sysdeps/posix/wait3.c: Likewise.
* sysdeps/standalone/close.c: Likewise.
* sysdeps/standalone/open.c: Likewise.
* sysdeps/standalone/read.c: Likewise.
* sysdeps/standalone/write.c: Likewise.
* sysdeps/stub/__longjmp.c: Likewise.
* sysdeps/stub/accept.c: Likewise.
* sysdeps/stub/access.c: Likewise.
* sysdeps/stub/acct.c: Likewise.
* sysdeps/stub/adjtime.c: Likewise.
* sysdeps/stub/alarm.c: Likewise.
* sysdeps/stub/bind.c: Likewise.
* sysdeps/stub/brk.c: Likewise.
* sysdeps/stub/chdir.c: Likewise.
* sysdeps/stub/chflags.c: Likewise.
* sysdeps/stub/chmod.c: Likewise.
* sysdeps/stub/chown.c: Likewise.
* sysdeps/stub/chroot.c: Likewise.
* sysdeps/stub/clock.c: Likewise.
* sysdeps/stub/close.c: Likewise.
* sysdeps/stub/closedir.c: Likewise.
* sysdeps/stub/connect.c: Likewise.
* sysdeps/stub/ctermid.c: Likewise.
* sysdeps/stub/cuserid.c: Likewise.
* sysdeps/stub/dirfd.c: Likewise.
* sysdeps/stub/dup.c: Likewise.
* sysdeps/stub/dup2.c: Likewise.
* sysdeps/stub/euidaccess.c: Likewise.
* sysdeps/stub/execve.c: Likewise.
* sysdeps/stub/fchdir.c: Likewise.
* sysdeps/stub/fchflags.c: Likewise.
* sysdeps/stub/fchmod.c: Likewise.
* sysdeps/stub/fchown.c: Likewise.
* sysdeps/stub/fcntl.c: Likewise.
* sysdeps/stub/fdopen.c: Likewise.
* sysdeps/stub/fexecve.c: Likewise.
* sysdeps/stub/flock.c: Likewise.
* sysdeps/stub/fork.c: Likewise.
* sysdeps/stub/fpathconf.c: Likewise.
* sysdeps/stub/fstatfs.c: Likewise.
* sysdeps/stub/fsync.c: Likewise.
* sysdeps/stub/ftruncate.c: Likewise.
* sysdeps/stub/fxstat.c: Likewise.
* sysdeps/stub/getcwd.c: Likewise.
* sysdeps/stub/getdents.c: Likewise.
* sysdeps/stub/getdomain.c: Likewise.
* sysdeps/stub/getdtsz.c: Likewise.
* sysdeps/stub/getegid.c: Likewise.
* sysdeps/stub/getenv.c: Likewise.
* sysdeps/stub/geteuid.c: Likewise.
* sysdeps/stub/getgid.c: Likewise.
* sysdeps/stub/getgroups.c: Likewise.
* sysdeps/stub/gethostid.c: Likewise.
* sysdeps/stub/gethostname.c: Likewise.
* sysdeps/stub/getitimer.c: Likewise.
* sysdeps/stub/getlogin.c: Likewise.
* sysdeps/stub/getlogin_r.c: Likewise.
* sysdeps/stub/getpagesize.c: Likewise.
* sysdeps/stub/getpeername.c: Likewise.
* sysdeps/stub/getpid.c: Likewise.
* sysdeps/stub/getppid.c: Likewise.
* sysdeps/stub/getpriority.c: Likewise.
* sysdeps/stub/getrlimit.c: Likewise.
* sysdeps/stub/getrusage.c: Likewise.
* sysdeps/stub/getsid.c: Likewise.
* sysdeps/stub/getsockname.c: Likewise.
* sysdeps/stub/getsockopt.c: Likewise.
* sysdeps/stub/getsysstats.c: Likewise.
* sysdeps/stub/gettimeofday.c: Likewise.
* sysdeps/stub/getuid.c: Likewise.
* sysdeps/stub/gtty.c: Likewise.
* sysdeps/stub/ioctl.c: Likewise.
* sysdeps/stub/isatty.c: Likewise.
* sysdeps/stub/isfdtype.c: Likewise.
* sysdeps/stub/kill.c: Likewise.
* sysdeps/stub/killpg.c: Likewise.
* sysdeps/stub/link.c: Likewise.
* sysdeps/stub/listen.c: Likewise.
* sysdeps/stub/lseek.c: Likewise.
* sysdeps/stub/lxstat.c: Likewise.
* sysdeps/stub/madvice.c: Likewise.
* sysdeps/stub/mkdir.c: Likewise.
* sysdeps/stub/mkfifo.c: Likewise.
* sysdeps/stub/mkstemp.c: Likewise.
* sysdeps/stub/mktemp.c: Likewise.
* sysdeps/stub/mmap.c: Likewise.
* sysdeps/stub/morecore.c: Likewise.
* sysdeps/stub/mprotect.c: Likewise.
* sysdeps/stub/msgctl.c: Likewise.
* sysdeps/stub/msgget.c: Likewise.
* sysdeps/stub/msgrcv.c: Likewise.
* sysdeps/stub/msgsnd.c: Likewise.
* sysdeps/stub/msync.c: Likewise.
* sysdeps/stub/munmap.c: Likewise.
* sysdeps/stub/nanosleep.c: Likewise.
* sysdeps/stub/nice.c: Likewise.
* sysdeps/stub/nlist.c: Likewise.
* sysdeps/stub/open.c: Likewise.
* sysdeps/stub/opendir.c: Likewise.
* sysdeps/stub/pathconf.c: Likewise.
* sysdeps/stub/pause.c: Likewise.
* sysdeps/stub/pipe.c: Likewise.
* sysdeps/stub/pipestream.c: Likewise.
* sysdeps/stub/poll.c: Likewise.
* sysdeps/stub/profil.c: Likewise.
* sysdeps/stub/ptrace.c: Likewise.
* sysdeps/stub/putenv.c: Likewise.
* sysdeps/stub/raise.c: Likewise.
* sysdeps/stub/read.c: Likewise.
* sysdeps/stub/readdir.c: Likewise.
* sysdeps/stub/readlink.c: Likewise.
* sysdeps/stub/readv.c: Likewise.
* sysdeps/stub/reboot.c: Likewise.
* sysdeps/stub/recv.c: Likewise.
* sysdeps/stub/recvfrom.c: Likewise.
* sysdeps/stub/recvmsg.c: Likewise.
* sysdeps/stub/remove.c: Likewise.
* sysdeps/stub/rename.c: Likewise.
* sysdeps/stub/revoke.c: Likewise.
* sysdeps/stub/rewinddir.c: Likewise.
* sysdeps/stub/rmdir.c: Likewise.
* sysdeps/stub/sbrk.c: Likewise.
* sysdeps/stub/sched_getp.c: Likewise.
* sysdeps/stub/sched_gets.c: Likewise.
* sysdeps/stub/sched_primax.c: Likewise.
* sysdeps/stub/sched_primin.c: Likewise.
* sysdeps/stub/sched_rr_gi.c: Likewise.
* sysdeps/stub/sched_setp.c: Likewise.
* sysdeps/stub/sched_sets.c: Likewise.
* sysdeps/stub/sched_yield.c: Likewise.
* sysdeps/stub/seekdir.c: Likewise.
* sysdeps/stub/select.c: Likewise.
* sysdeps/stub/semctl.c: Likewise.
* sysdeps/stub/semget.c: Likewise.
* sysdeps/stub/semop.c: Likewise.
* sysdeps/stub/send.c: Likewise.
* sysdeps/stub/sendmsg.c: Likewise.
* sysdeps/stub/sendto.c: Likewise.
* sysdeps/stub/setdomain.c: Likewise.
* sysdeps/stub/setegid.c: Likewise.
* sysdeps/stub/setenv.c: Likewise.
* sysdeps/stub/seteuid.c: Likewise.
* sysdeps/stub/setgid.c: Likewise.
* sysdeps/stub/setgroups.c: Likewise.
* sysdeps/stub/sethostid.c: Likewise.
* sysdeps/stub/sethostname.c: Likewise.
* sysdeps/stub/setitimer.c: Likewise.
* sysdeps/stub/setjmp.c: Likewise.
* sysdeps/stub/setlogin.c: Likewise.
* sysdeps/stub/setpgid.c: Likewise.
* sysdeps/stub/setpriority.c: Likewise.
* sysdeps/stub/setregid.c: Likewise.
* sysdeps/stub/setreuid.c: Likewise.
* sysdeps/stub/setrlimit.c: Likewise.
* sysdeps/stub/setsid.c: Likewise.
* sysdeps/stub/setsockopt.c: Likewise.
* sysdeps/stub/settimeofday.c: Likewise.
* sysdeps/stub/setuid.c: Likewise.
* sysdeps/stub/shmat.c: Likewise.
* sysdeps/stub/shmctl.c: Likewise.
* sysdeps/stub/shmdt.c: Likewise.
* sysdeps/stub/shmget.c: Likewise.
* sysdeps/stub/shutdown.c: Likewise.
* sysdeps/stub/sigaction.c: Likewise.
* sysdeps/stub/sigaltstack.c: Likewise.
* sysdeps/stub/sigblock.c: Likewise.
* sysdeps/stub/sigintr.c: Likewise.
* sysdeps/stub/signal.c: Likewise.
* sysdeps/stub/sigpause.c: Likewise.
* sysdeps/stub/sigpending.c: Likewise.
* sysdeps/stub/sigprocmask.c: Likewise.
* sysdeps/stub/sigreturn.c: Likewise.
* sysdeps/stub/sigsetmask.c: Likewise.
* sysdeps/stub/sigstack.c: Likewise.
* sysdeps/stub/sigsuspend.c: Likewise.
* sysdeps/stub/sigvec.c: Likewise.
* sysdeps/stub/sleep.c: Likewise.
* sysdeps/stub/socket.c: Likewise.
* sysdeps/stub/socketpair.c: Likewise.
* sysdeps/stub/sstk.c: Likewise.
* sysdeps/stub/statfs.c: Likewise.
* sysdeps/stub/stime.c: Likewise.
* sysdeps/stub/stty.c: Likewise.
* sysdeps/stub/swapoff.c: Likewise.
* sysdeps/stub/swapon.c: Likewise.
* sysdeps/stub/symlink.c: Likewise.
* sysdeps/stub/sync.c: Likewise.
* sysdeps/stub/syscall.c: Likewise.
* sysdeps/stub/sysconf.c: Likewise.
* sysdeps/stub/sysd-stdio.c: Likewise.
* sysdeps/stub/system.c: Likewise.
* sysdeps/stub/tcdrain.c: Likewise.
* sysdeps/stub/tcflow.c: Likewise.
* sysdeps/stub/tcflush.c: Likewise.
* sysdeps/stub/tcgetattr.c: Likewise.
* sysdeps/stub/tcgetpgrp.c: Likewise.
* sysdeps/stub/tcsendbrk.c: Likewise.
* sysdeps/stub/tcsetattr.c: Likewise.
* sysdeps/stub/tcsetpgrp.c: Likewise.
* sysdeps/stub/telldir.c: Likewise.
* sysdeps/stub/tempname.c: Likewise.
* sysdeps/stub/time.c: Likewise.
* sysdeps/stub/times.c: Likewise.
* sysdeps/stub/truncate.c: Likewise.
* sysdeps/stub/ttyname.c: Likewise.
* sysdeps/stub/ttyname_r.c: Likewise.
* sysdeps/stub/ualarm.c: Likewise.
* sysdeps/stub/ulimit.c: Likewise.
* sysdeps/stub/umask.c: Likewise.
* sysdeps/stub/unlink.c: Likewise.
* sysdeps/stub/usleep.c: Likewise.
* sysdeps/stub/ustat.c: Likewise.
* sysdeps/stub/utime.c: Likewise.
* sysdeps/stub/utimes.c: Likewise.
* sysdeps/stub/vhangup.c: Likewise.
* sysdeps/stub/wait.c: Likewise.
* sysdeps/stub/wait3.c: Likewise.
* sysdeps/stub/wait4.c: Likewise.
* sysdeps/stub/waitpid.c: Likewise.
* sysdeps/stub/write.c: Likewise.
* sysdeps/stub/writev.c: Likewise.
* sysdeps/stub/xmknod.c: Likewise.
* sysdeps/stub/xstat.c: Likewise.
* sysdeps/unix/closedir.c: Likewise.
* sysdeps/unix/fxstat.c: Likewise.
* sysdeps/unix/getlogin.c: Likewise.
* sysdeps/unix/getlogin_r.c: Likewise.
* sysdeps/unix/mkdir.c: Likewise.
* sysdeps/unix/nice.c: Likewise.
* sysdeps/unix/nlist.c: Likewise.
* sysdeps/unix/opendir.c: Likewise.
* sysdeps/unix/readdir.c: Likewise.
* sysdeps/unix/rmdir.c: Likewise.
* sysdeps/unix/stime.c: Likewise.
* sysdeps/unix/xmknod.c: Likewise.
* sysdeps/unix/xstat.c: Likewise.
* sysdeps/unix/bsd/isatty.c: Likewise.
* sysdeps/unix/bsd/setegid.c: Likewise.
* sysdeps/unix/bsd/seteuid.c: Likewise.
* sysdeps/unix/bsd/setsid.c: Likewise.
* sysdeps/unix/bsd/sigaction.c: Likewise.
* sysdeps/unix/bsd/sigprocmask.c: Likewise.
* sysdeps/unix/bsd/sigsuspend.c: Likewise.
* sysdeps/unix/bsd/tcflow.c: Likewise.
* sysdeps/unix/bsd/tcflush.c: Likewise.
* sysdeps/unix/bsd/tcgetattr.c: Likewise.
* sysdeps/unix/bsd/tcsetattr.c: Likewise.
* sysdeps/unix/bsd/times.c: Likewise.
* sysdeps/unix/bsd/ulimit.c: Likewise.
* sysdeps/unix/common/lxstat.c: Likewise.
* sysdeps/unix/common/tcsendbrk.c: Likewise.
* sysdeps/unix/sysv/setrlimit.c: Likewise.
* sysdeps/unix/sysv/settimeofday.c: Likewise.
* sysdeps/unix/sysv/sigaction.c: Likewise.
* sysdeps/unix/sysv/tcflow.c: Likewise.
* sysdeps/unix/sysv/tcflush.c: Likewise.
* sysdeps/unix/sysv/tcgetattr.c: Likewise.
* sysdeps/unix/sysv/tcsendbrk.c: Likewise.
* sysdeps/unix/sysv/tcsetattr.c: Likewise.
* sysdeps/unix/bsd/ultrix4/sysconf.c: Likewise.
* sysdeps/unix/sysv/irix4/getpriority.c: Likewise.
* sysdeps/unix/sysv/irix4/setpriority.c: Likewise.
* sysdeps/unix/sysv/linux/adjtime.c: Likewise.
* sysdeps/unix/sysv/linux/gethostid.c: Likewise.
* sysdeps/unix/sysv/linux/gethostname.c: Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c: Likewise.
* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
* sysdeps/unix/sysv/linux/speed.c: Likewise.
* sysdeps/unix/sysv/linux/ulimit.c: Likewise.
* sysdeps/unix/sysv/sysv4/sigaction.c: Likewise.
* sysdeps/unix/sysv/sysv4/sysconf.c: Likewise.
* sysdeps/unix/bsd/sun/m68k/sigtramp.c: Likewise.
* sysdeps/unix/bsd/sun/sparc/sigtramp.c: Likewise.
* sysdeps/unix/bsd/sun/sunos4/speed.c: Likewise.
* sysdeps/unix/bsd/sun/sunos4/tcsetattr.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/ioperm.c: Likewise.
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/brk.c: Likewise.
* sunrpc/clnt_tcp.c: Protect declaration of errno by #ifndef.
* sunrpc/clnt_udp.c: Likewise.
* sunrpc/bindrsvprt.c: Likewise.
* sunrpc/pm_getmaps.c: Likewise.
* sunrpc/pmap_rmt.c: Likewise.
* sunrpc/svc.c: Likewise.
* sunrpc/svc_run.c: Likewise.
* sunrpc/svc_tcp.c: Likewise.
* sunrpc/svc_udp.c: Likewise.
* sysdeps/generic/strtok.c: Don't check argument, just crash.
* sysdeps/generic/strtok_r.c: Likewise.
* sysdeps/stub/start.c: Make __errno a strong alias of errno.
* sysdeps/unix/start.c: Likewise. De-ANSI-fy.
* sysdeps/unix/sparc/start.c: Likewise.
* sysdeps/standalone/m68k/m68020/start.S: Likewise.
* sysdeps/unix/sysv/irix4/start.c: Likewise.
* sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise.
Mon Sep 23 17:54:57 1996 Ulrich Drepper <drepper@cygnus.com>
* catgets/gencat.c (main): Put package name in --version message
in parantheses. Reported by Jim Meyering.
* db/makedb.c: Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* sysdeps/i386/fpu/__math.h (tan): Make sure gcc knows we use
two registers. Patch by John Bowman.
Sat Sep 21 15:08:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/mach/libc-lock.h: Fix comment.
* sysdeps/stubs/libc-lock.h: Likewise.
Sat Sep 21 13:50:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/genops.c (_IO_init) [_IO_MTSAFE_IO]: Dereference pointer
to lock when passing it to __libc_lock_init macro.
(_IO_default_finish) [_IO_MTSAFE_IO]: Dereference pointer to lock
when passing it to __libc_lock_fini macro.
Sat Sep 21 14:35:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/m68k/sysdep.h (SYSCALL_ERROR_HANDLER)
[_LIBC_REENTRANT]: Add missing semicolon.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Move inclusion of
sysdep.h to the top outside of #ifndef PIC. Don't include errnos.h.
Use the ENTRY macro.
Sat Sep 21 14:33:41 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/Makefile: Make `all' the default target.
* po/Makefile: Likewise.
Mon Sep 23 15:49:47 1996 Ulrich Drepper <drepper@cygnus.com>
* stdlib/test-canon.c: Correct patch from Thu Sep 12 23:01:16 1996.
I applied it incorrectly.
* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
* sysdeps/m68k/fpu/s_scalbnf.c: Likewise.
* sysdeps/m68k/fpu/s_scalbnl.c: Likewise.
Mon Sep 23 03:00:10 1996 Ulrich Drepper <drepper@cygnus.com>
* shadow/sgetspent_r.c (LINE_PARSER): Accept empty 9th field.
Patch by NIIBE Yutaka <gniibe@mri.co.jp>.
* shadow/sgetspent_r.c (LINE_PARSER): Don't accept any chars after
9th field.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc]
(sysdep_headers): Add sys/debugreg.h, sys/kd.h, sys/soundcard.h,
and sys/vt.h.
* sysdeps/unix/sysv/linux/sys/debugreg.h: New file.
* sysdeps/unix/sysv/linux/sys/kd.h: New file.
* sysdeps/unix/sysv/linux/sys/soundcard.h: New file.
* sysdeps/unix/sysv/linux/sys/vt.h: New file.
Reported by NIIBE Yutaka <gniibe@mri.co.jp>.
1996-09-27 11:45:24 +08:00
|
|
|
__set_errno (terrno);
|
1999-12-05 02:05:55 +08:00
|
|
|
return (-1);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
|
|
|
|
2002-10-18 05:51:21 +08:00
|
|
|
int
|
|
|
|
res_nsend(res_state statp,
|
|
|
|
const u_char *buf, int buflen, u_char *ans, int anssiz)
|
|
|
|
{
|
|
|
|
return __libc_res_nsend(statp, buf, buflen, ans, anssiz, NULL);
|
|
|
|
}
|
2004-10-18 13:10:37 +08:00
|
|
|
libresolv_hidden_def (res_nsend)
|
2002-10-18 05:51:21 +08:00
|
|
|
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/* Private */
|
|
|
|
|
|
|
|
static int
|
|
|
|
send_vc(res_state statp,
|
2002-10-18 05:51:21 +08:00
|
|
|
const u_char *buf, int buflen, u_char **ansp, int *anssizp,
|
|
|
|
int *terrno, int ns, u_char **anscp)
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
{
|
|
|
|
const HEADER *hp = (HEADER *) buf;
|
2002-10-18 05:51:21 +08:00
|
|
|
u_char *ans = *ansp;
|
|
|
|
int anssiz = *anssizp;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
HEADER *anhp = (HEADER *) ans;
|
2000-07-26 16:05:34 +08:00
|
|
|
struct sockaddr_in6 *nsap = EXT(statp).nsaddrs[ns];
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
int truncating, connreset, resplen, n;
|
|
|
|
struct iovec iov[2];
|
|
|
|
u_short len;
|
|
|
|
u_char *cp;
|
|
|
|
|
|
|
|
connreset = 0;
|
|
|
|
same_ns:
|
|
|
|
truncating = 0;
|
|
|
|
|
|
|
|
/* Are we still talking to whom we want to talk to? */
|
|
|
|
if (statp->_vcsock >= 0 && (statp->_flags & RES_F_VC) != 0) {
|
2000-07-26 16:05:34 +08:00
|
|
|
struct sockaddr_in6 peer;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
int size = sizeof peer;
|
|
|
|
|
|
|
|
if (getpeername(statp->_vcsock,
|
|
|
|
(struct sockaddr *)&peer, &size) < 0 ||
|
|
|
|
!sock_eq(&peer, nsap)) {
|
|
|
|
res_nclose(statp);
|
|
|
|
statp->_flags &= ~RES_F_VC;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (statp->_vcsock < 0 || (statp->_flags & RES_F_VC) == 0) {
|
|
|
|
if (statp->_vcsock >= 0)
|
|
|
|
res_nclose(statp);
|
|
|
|
|
2000-07-26 16:05:34 +08:00
|
|
|
statp->_vcsock = socket(nsap->sin6_family, SOCK_STREAM, 0);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (statp->_vcsock < 0) {
|
|
|
|
*terrno = errno;
|
|
|
|
Perror(statp, stderr, "socket(vc)", errno);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
__set_errno (0);
|
|
|
|
if (connect(statp->_vcsock, (struct sockaddr *)nsap,
|
|
|
|
sizeof *nsap) < 0) {
|
|
|
|
*terrno = errno;
|
2004-08-09 08:25:37 +08:00
|
|
|
Aerror(statp, stderr, "connect/vc", errno,
|
|
|
|
(struct sockaddr *) nsap);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
statp->_flags |= RES_F_VC;
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Send length & message
|
|
|
|
*/
|
|
|
|
putshort((u_short)buflen, (u_char*)&len);
|
2003-06-14 05:05:42 +08:00
|
|
|
evConsIovec(&len, INT16SZ, &iov[0]);
|
|
|
|
evConsIovec((void*)buf, buflen, &iov[1]);
|
|
|
|
if (TEMP_FAILURE_RETRY (writev(statp->_vcsock, iov, 2))
|
|
|
|
!= (INT16SZ + buflen)) {
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
*terrno = errno;
|
|
|
|
Perror(statp, stderr, "write failed", errno);
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Receive length & response
|
|
|
|
*/
|
|
|
|
read_len:
|
|
|
|
cp = ans;
|
|
|
|
len = INT16SZ;
|
2003-06-14 05:05:42 +08:00
|
|
|
while ((n = TEMP_FAILURE_RETRY (read(statp->_vcsock, (char *)cp,
|
|
|
|
(int)len))) > 0) {
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
cp += n;
|
|
|
|
if ((len -= n) <= 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (n <= 0) {
|
|
|
|
*terrno = errno;
|
|
|
|
Perror(statp, stderr, "read failed", errno);
|
|
|
|
res_nclose(statp);
|
|
|
|
/*
|
|
|
|
* A long running process might get its TCP
|
|
|
|
* connection reset if the remote server was
|
|
|
|
* restarted. Requery the server instead of
|
|
|
|
* trying a new one. When there is only one
|
|
|
|
* server, this means that a query might work
|
|
|
|
* instead of failing. We only allow one reset
|
|
|
|
* per query to prevent looping.
|
|
|
|
*/
|
|
|
|
if (*terrno == ECONNRESET && !connreset) {
|
|
|
|
connreset = 1;
|
|
|
|
res_nclose(statp);
|
|
|
|
goto same_ns;
|
|
|
|
}
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
resplen = ns_get16(ans);
|
|
|
|
if (resplen > anssiz) {
|
2002-10-18 05:51:21 +08:00
|
|
|
if (anscp) {
|
|
|
|
ans = malloc (MAXPACKET);
|
|
|
|
if (ans == NULL) {
|
|
|
|
*terrno = ENOMEM;
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
anssiz = MAXPACKET;
|
|
|
|
*anssizp = MAXPACKET;
|
|
|
|
*ansp = ans;
|
|
|
|
*anscp = ans;
|
|
|
|
anhp = (HEADER *) ans;
|
|
|
|
len = resplen;
|
|
|
|
} else {
|
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; response truncated\n")
|
|
|
|
);
|
|
|
|
truncating = 1;
|
|
|
|
len = anssiz;
|
|
|
|
}
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
} else
|
|
|
|
len = resplen;
|
|
|
|
if (len < HFIXEDSZ) {
|
|
|
|
/*
|
|
|
|
* Undersized message.
|
|
|
|
*/
|
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; undersized: %d\n", len));
|
|
|
|
*terrno = EMSGSIZE;
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
cp = ans;
|
|
|
|
while (len != 0 && (n = read(statp->_vcsock, (char *)cp, (int)len)) > 0){
|
|
|
|
cp += n;
|
|
|
|
len -= n;
|
|
|
|
}
|
|
|
|
if (n <= 0) {
|
|
|
|
*terrno = errno;
|
|
|
|
Perror(statp, stderr, "read(vc)", errno);
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (truncating) {
|
|
|
|
/*
|
|
|
|
* Flush rest of answer so connection stays in synch.
|
|
|
|
*/
|
|
|
|
anhp->tc = 1;
|
|
|
|
len = resplen - anssiz;
|
|
|
|
while (len != 0) {
|
|
|
|
char junk[PACKETSZ];
|
|
|
|
|
|
|
|
n = read(statp->_vcsock, junk,
|
|
|
|
(len > sizeof junk) ? sizeof junk : len);
|
|
|
|
if (n > 0)
|
|
|
|
len -= n;
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* If the calling applicating has bailed out of
|
|
|
|
* a previous call and failed to arrange to have
|
|
|
|
* the circuit closed or the server has got
|
|
|
|
* itself confused, then drop the packet and
|
|
|
|
* wait for the correct one.
|
|
|
|
*/
|
|
|
|
if (hp->id != anhp->id) {
|
|
|
|
DprintQ((statp->options & RES_DEBUG) ||
|
|
|
|
(statp->pfcode & RES_PRF_REPLY),
|
|
|
|
(stdout, ";; old answer (unexpected):\n"),
|
|
|
|
ans, (resplen > anssiz) ? anssiz: resplen);
|
|
|
|
goto read_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* All is well, or the error is fatal. Signal that the
|
|
|
|
* next nameserver ought not be tried.
|
|
|
|
*/
|
|
|
|
return (resplen);
|
1995-02-18 09:27:10 +08:00
|
|
|
}
|
update from main archive 960921
Sun Sep 22 03:40:52 1996 Ulrich Drepper <drepper@cygnus.com>
* resolv/resolv.h: Update to bind-4.9.5-T4B.
* resolv/base64.c: Likewise.
* resolv/res_debug.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/gethnamaddr.c: Likewise.
* nss/nss_dns/dns-host.c: Likewise.
* resolv/res_comp.c: Likewise.
* resolv/res_send.c: Likewise.
* resolv/arpa/nameser.h: Likewise. Attention: MAXDNAME is much
higher now.
* resolv/Banner: New file.
* resolv/Makefile (distribute): Add Banner.
Sat Sep 21 19:15:24 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/stub/getsysstats.c: New file.
* sysdeps/unix/sysv/linux/getsysstats.c: New file.
* misc/Makefile (headers): Add sys/sysinfo.h.
(routines): Add getsysstats.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc]
(sysdep_headers): Remove sys/sysinfo.h.
* sysdeps/generic/sys/sysinfo.h: New file.
* sysdeps/unix/sysv/linux/sys/sysinfo.h: Add prototype for get_nprocs,
get_phys_pages, and get_avphys_pages.
* misc/Makefile (routines): Add mntent_r.
* misc/mntent_r.c: New file.
* misc/mntent.c: Remove all functions but getmntent and use
__getmntent_r.
* misc/mntent.h: Add prototype for __getmntent_r.
* misc/fstab.c: Use __getmntent_r function instead of getmntent.
This will not clobber the state in getmntent.
* sysdeps/generic/confname.h: Add _SC_PROCESSORS_CONF,
_SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES, _SC_AVPHYS_PAGES,
_SC_ATEXIT_MAX, and _SC_PASS_MAX.
* sysdeps/stub/sysconf.c: Add handling _SC_PROCESSORS_CONF and
_SC_NPROCESSORS_ONLN by calling __get_nprocs, _SC_PHYS_PAGES by
calling __get_phys_pages, _SY_AVPHYS_PAGES by calling
__get_avphys_pages, _SC_ATEXIT_MAX and _SC_PASS_MAX.
* sysdeps/posix/sysconf.c: Likewise.
* posix/getconf.c (vars): Add _NPROCESSORS_CONF, _NPROCESSORS_ONLN,
_PHYS_PAGES, _AVPHYS_PAGES, ATEXIT_MAX, and PASS_MAX entries.
Sat Sep 21 05:20:36 1996 Ulrich Drepper <drepper@cygnus.com>
* version.h (VERSION): Bump to 1.95.
* Make-dist (+tsrcs): Don't filter out files in subdirs which
match files in the sysdeps hierachy (welcome back,
sys/syscall.h!).
* resolv/Makefile (libresolv-routines): Remove getnetnamad.
Sat Sep 21 03:00:19 1996 Ulrich Drepper <drepper@cygnus.com>
* locale/loadlocale.c (_nl_free_locale): Remove function.
* locale/localeinfo.h: Remove prototype for _nl_free_locale.
* locale/setlocale.c (setlocale): Don't free locale data of
categories which succeeded to load after a wrong or missing data
file was observed.
* locale/setlocale (setlocale): Initialize NEWNAME correctly so
that it works even when the locale data is not used.
* stdlib/random_r.c: Fix typo in comment.
* stdlib/drand48-iter.c: Likewise.
* stdlib/drand48.c: Likewise.
* stdlib/erand48.c: Likewise.
* stdlib/jrand48.c: Likewise.
* stdlib/lcong48.c: Likewise.
* stdlib/lrand48.c: Likewise.
* stdlib/mrand48.c: Likewise.
* stdlib/nrand48.c: Likewise.
* stdlib/random.c: Likewise.
* stdlib/seed48.c: Likewise.
* stdlib/srand48.c: Likewise.
* misc/search.h: Likewise.
* misc/hsearch.c: Likewise.
* misc/hsearch_r.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location):
Thu Sep 19 23:36:19 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* hurd/hurdinit.c (__libc_argv): Provide common decl.
(_hurd_setproc): Don't declare __libc_argv here.
1996-09-22 11:06:42 +08:00
|
|
|
|
1999-12-05 02:05:55 +08:00
|
|
|
static int
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
send_dg(res_state statp,
|
2002-10-18 05:51:21 +08:00
|
|
|
const u_char *buf, int buflen, u_char **ansp, int *anssizp,
|
|
|
|
int *terrno, int ns, int *v_circuit, int *gotsomewhere, u_char **anscp)
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
{
|
|
|
|
const HEADER *hp = (HEADER *) buf;
|
2002-10-18 05:51:21 +08:00
|
|
|
u_char *ans = *ansp;
|
|
|
|
int anssiz = *anssizp;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
HEADER *anhp = (HEADER *) ans;
|
2000-07-26 16:05:34 +08:00
|
|
|
struct sockaddr_in6 *nsap = EXT(statp).nsaddrs[ns];
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
struct timespec now, timeout, finish;
|
|
|
|
struct pollfd pfd[1];
|
|
|
|
int ptimeout;
|
2000-07-26 16:05:34 +08:00
|
|
|
struct sockaddr_in6 from;
|
|
|
|
static int socket_pf = 0;
|
2004-10-23 16:22:29 +08:00
|
|
|
int fromlen, resplen, seconds, n;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
|
|
|
if (EXT(statp).nssocks[ns] == -1) {
|
2000-07-26 16:05:34 +08:00
|
|
|
/* only try IPv6 if IPv6 NS and if not failed before */
|
|
|
|
if ((EXT(statp).nscount6 > 0) && (socket_pf != PF_INET)) {
|
|
|
|
EXT(statp).nssocks[ns] =
|
|
|
|
socket(PF_INET6, SOCK_DGRAM, 0);
|
|
|
|
socket_pf = EXT(statp).nssocks[ns] < 0 ? PF_INET
|
|
|
|
: PF_INET6;
|
|
|
|
}
|
|
|
|
if (EXT(statp).nssocks[ns] < 0)
|
|
|
|
EXT(statp).nssocks[ns] = socket(PF_INET, SOCK_DGRAM, 0);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
if (EXT(statp).nssocks[ns] < 0) {
|
|
|
|
*terrno = errno;
|
|
|
|
Perror(statp, stderr, "socket(dg)", errno);
|
|
|
|
return (-1);
|
|
|
|
}
|
2000-07-26 16:05:34 +08:00
|
|
|
/* If IPv6 socket and nsap is IPv4, make it IPv4-mapped */
|
|
|
|
if ((socket_pf == PF_INET6) && (nsap->sin6_family == AF_INET))
|
|
|
|
convaddr4to6(nsap);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/*
|
|
|
|
* On a 4.3BSD+ machine (client and server,
|
|
|
|
* actually), sending to a nameserver datagram
|
|
|
|
* port with no nameserver will cause an
|
|
|
|
* ICMP port unreachable message to be returned.
|
|
|
|
* If our datagram socket is "connected" to the
|
|
|
|
* server, we get an ECONNREFUSED error on the next
|
|
|
|
* socket operation, and select returns if the
|
|
|
|
* error message is received. We can thus detect
|
|
|
|
* the absence of a nameserver without timing out.
|
|
|
|
*/
|
|
|
|
if (connect(EXT(statp).nssocks[ns], (struct sockaddr *)nsap,
|
|
|
|
sizeof *nsap) < 0) {
|
2004-08-09 08:25:37 +08:00
|
|
|
Aerror(statp, stderr, "connect(dg)", errno,
|
|
|
|
(struct sockaddr *) nsap);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
2004-10-12 04:38:58 +08:00
|
|
|
/* Make socket non-blocking. */
|
|
|
|
int fl = __fcntl (EXT(statp).nssocks[ns], F_GETFL);
|
|
|
|
if (fl != -1)
|
|
|
|
__fcntl (EXT(statp).nssocks[ns], F_SETFL,
|
|
|
|
fl | O_NONBLOCK);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; new DG socket\n"))
|
|
|
|
}
|
2004-10-23 16:22:29 +08:00
|
|
|
|
2004-10-12 04:38:58 +08:00
|
|
|
/*
|
|
|
|
* Compute time for the total operation.
|
|
|
|
*/
|
|
|
|
seconds = (statp->retrans << ns);
|
|
|
|
if (ns > 0)
|
|
|
|
seconds /= statp->nscount;
|
|
|
|
if (seconds <= 0)
|
|
|
|
seconds = 1;
|
|
|
|
evNowTime(&now);
|
|
|
|
evConsTime(&timeout, seconds, 0);
|
|
|
|
evAddTime(&finish, &now, &timeout);
|
|
|
|
int need_recompute = 0;
|
2004-10-23 16:22:29 +08:00
|
|
|
int nwritten = 0;
|
|
|
|
pfd[0].fd = EXT(statp).nssocks[ns];
|
|
|
|
pfd[0].events = POLLOUT;
|
|
|
|
wait:
|
|
|
|
if (need_recompute) {
|
|
|
|
evNowTime(&now);
|
|
|
|
if (evCmpTime(finish, now) <= 0) {
|
|
|
|
Perror(statp, stderr, "select", errno);
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
evSubTime(&timeout, &finish, &now);
|
|
|
|
}
|
2004-10-12 04:38:58 +08:00
|
|
|
/* Convert struct timespec in milliseconds. */
|
|
|
|
ptimeout = timeout.tv_sec * 1000 + timeout.tv_nsec / 1000000;
|
|
|
|
|
2004-10-23 16:22:29 +08:00
|
|
|
n = 0;
|
|
|
|
if (nwritten == 0)
|
|
|
|
n = __poll (pfd, 1, 0);
|
2004-10-12 04:38:58 +08:00
|
|
|
if (__builtin_expect (n == 0, 0)) {
|
|
|
|
n = __poll (pfd, 1, ptimeout);
|
|
|
|
need_recompute = 1;
|
|
|
|
}
|
|
|
|
if (n == 0) {
|
|
|
|
Dprint(statp->options & RES_DEBUG, (stdout,
|
|
|
|
";; timeout sending\n"));
|
|
|
|
*gotsomewhere = 1;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (n < 0) {
|
|
|
|
if (errno == EINTR) {
|
|
|
|
recompute_resend:
|
|
|
|
evNowTime(&now);
|
|
|
|
if (evCmpTime(finish, now) > 0) {
|
|
|
|
evSubTime(&timeout, &finish, &now);
|
2004-10-23 16:22:29 +08:00
|
|
|
goto wait;
|
2004-10-12 04:38:58 +08:00
|
|
|
}
|
|
|
|
}
|
2004-10-24 17:20:14 +08:00
|
|
|
Perror(statp, stderr, "poll", errno);
|
2004-10-12 04:38:58 +08:00
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
__set_errno (0);
|
2004-10-23 16:22:29 +08:00
|
|
|
if (pfd[0].revents & POLLOUT) {
|
|
|
|
if (send(pfd[0].fd, (char*)buf, buflen, 0) != buflen) {
|
|
|
|
if (errno == EINTR || errno == EAGAIN)
|
|
|
|
goto recompute_resend;
|
|
|
|
Perror(statp, stderr, "send", errno);
|
2004-10-12 04:38:58 +08:00
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
2004-10-23 16:22:29 +08:00
|
|
|
pfd[0].events = POLLIN;
|
|
|
|
++nwritten;
|
|
|
|
goto wait;
|
2004-10-24 17:20:14 +08:00
|
|
|
} else if (pfd[0].revents & POLLIN) {
|
2004-10-23 16:22:29 +08:00
|
|
|
fromlen = sizeof(struct sockaddr_in6);
|
|
|
|
if (anssiz < MAXPACKET
|
|
|
|
&& anscp
|
|
|
|
&& (ioctl (pfd[0].fd, FIONREAD, &resplen) < 0
|
|
|
|
|| anssiz < resplen)) {
|
|
|
|
ans = malloc (MAXPACKET);
|
|
|
|
if (ans == NULL)
|
|
|
|
ans = *ansp;
|
|
|
|
else {
|
|
|
|
anssiz = MAXPACKET;
|
|
|
|
*anssizp = MAXPACKET;
|
|
|
|
*ansp = ans;
|
|
|
|
*anscp = ans;
|
|
|
|
anhp = (HEADER *) ans;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
resplen = recvfrom(pfd[0].fd, (char*)ans, anssiz,0,
|
|
|
|
(struct sockaddr *)&from, &fromlen);
|
|
|
|
if (resplen <= 0) {
|
|
|
|
if (errno == EINTR || errno == EAGAIN) {
|
|
|
|
need_recompute = 1;
|
|
|
|
goto wait;
|
|
|
|
}
|
|
|
|
Perror(statp, stderr, "recvfrom", errno);
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
*gotsomewhere = 1;
|
2004-10-23 16:22:29 +08:00
|
|
|
if (resplen < HFIXEDSZ) {
|
|
|
|
/*
|
|
|
|
* Undersized message.
|
|
|
|
*/
|
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; undersized: %d\n",
|
|
|
|
resplen));
|
|
|
|
*terrno = EMSGSIZE;
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (hp->id != anhp->id) {
|
|
|
|
/*
|
|
|
|
* response from old query, ignore it.
|
|
|
|
* XXX - potential security hazard could
|
|
|
|
* be detected here.
|
|
|
|
*/
|
|
|
|
DprintQ((statp->options & RES_DEBUG) ||
|
|
|
|
(statp->pfcode & RES_PRF_REPLY),
|
|
|
|
(stdout, ";; old answer:\n"),
|
|
|
|
ans, (resplen > anssiz) ? anssiz : resplen);
|
2004-10-12 04:38:58 +08:00
|
|
|
goto wait;
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
}
|
2004-10-23 16:22:29 +08:00
|
|
|
if (!(statp->options & RES_INSECURE1) &&
|
|
|
|
!res_ourserver_p(statp, &from)) {
|
|
|
|
/*
|
|
|
|
* response from wrong server? ignore it.
|
|
|
|
* XXX - potential security hazard could
|
|
|
|
* be detected here.
|
|
|
|
*/
|
|
|
|
DprintQ((statp->options & RES_DEBUG) ||
|
|
|
|
(statp->pfcode & RES_PRF_REPLY),
|
|
|
|
(stdout, ";; not our server:\n"),
|
|
|
|
ans, (resplen > anssiz) ? anssiz : resplen);
|
|
|
|
goto wait;
|
2002-10-18 05:51:21 +08:00
|
|
|
}
|
2004-10-23 16:22:29 +08:00
|
|
|
if (!(statp->options & RES_INSECURE2) &&
|
|
|
|
!res_queriesmatch(buf, buf + buflen,
|
|
|
|
ans, ans + anssiz)) {
|
|
|
|
/*
|
|
|
|
* response contains wrong query? ignore it.
|
|
|
|
* XXX - potential security hazard could
|
|
|
|
* be detected here.
|
|
|
|
*/
|
|
|
|
DprintQ((statp->options & RES_DEBUG) ||
|
|
|
|
(statp->pfcode & RES_PRF_REPLY),
|
|
|
|
(stdout, ";; wrong query name:\n"),
|
|
|
|
ans, (resplen > anssiz) ? anssiz : resplen);
|
2004-10-12 04:38:58 +08:00
|
|
|
goto wait;
|
|
|
|
}
|
2004-10-23 16:22:29 +08:00
|
|
|
if (anhp->rcode == SERVFAIL ||
|
|
|
|
anhp->rcode == NOTIMP ||
|
|
|
|
anhp->rcode == REFUSED) {
|
|
|
|
DprintQ(statp->options & RES_DEBUG,
|
|
|
|
(stdout, "server rejected query:\n"),
|
|
|
|
ans, (resplen > anssiz) ? anssiz : resplen);
|
|
|
|
res_nclose(statp);
|
|
|
|
/* don't retry if called from dig */
|
|
|
|
if (!statp->pfcode)
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
if (!(statp->options & RES_IGNTC) && anhp->tc) {
|
|
|
|
/*
|
|
|
|
* To get the rest of answer,
|
|
|
|
* use TCP with same server.
|
|
|
|
*/
|
|
|
|
Dprint(statp->options & RES_DEBUG,
|
|
|
|
(stdout, ";; truncated answer\n"));
|
|
|
|
*v_circuit = 1;
|
|
|
|
res_nclose(statp);
|
|
|
|
return (1);
|
|
|
|
}
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
/*
|
2004-10-23 16:22:29 +08:00
|
|
|
* All is well, or the error is fatal. Signal that the
|
|
|
|
* next nameserver ought not be tried.
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
*/
|
2004-10-23 16:22:29 +08:00
|
|
|
return (resplen);
|
2004-10-24 17:20:14 +08:00
|
|
|
} else if (pfd[0].revents & (POLLERR | POLLHUP | POLLNVAL)) {
|
|
|
|
/* Something went wrong. We can stop trying. */
|
|
|
|
res_nclose(statp);
|
|
|
|
return (0);
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
|
static void
|
|
|
|
Aerror(const res_state statp, FILE *file, const char *string, int error,
|
2004-08-09 08:25:37 +08:00
|
|
|
const struct sockaddr *address)
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
{
|
|
|
|
int save = errno;
|
|
|
|
|
|
|
|
if ((statp->options & RES_DEBUG) != 0) {
|
2004-08-09 08:25:37 +08:00
|
|
|
char tmp[sizeof "xxxx.xxxx.xxxx.255.255.255.255"];
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
|
|
|
|
fprintf(file, "res_send: %s ([%s].%u): %s\n",
|
|
|
|
string,
|
2004-08-09 08:25:37 +08:00
|
|
|
inet_ntop(address->sa_family, address->sa_data,
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
tmp, sizeof tmp),
|
2004-08-09 08:25:37 +08:00
|
|
|
(address->sa_family == AF_INET
|
|
|
|
? ntohs(((struct sockaddr_in *) address)->sin_port)
|
|
|
|
: address->sa_family == AF_INET6
|
|
|
|
? ntohs(((struct sockaddr_in6 *) address)->sin6_port)
|
|
|
|
: 0),
|
Update.
2000-07-18 Mark Kettenis <kettenis@gnu.org>
Update resolver code to BIND 8.2.3-T5B.
* resolv/Versions [GLIBC_2.2] (libc): Add __res_init and
__res_nclose.
[GLIBC_2.2] (libresolv): Add __dn_expand, __ns_samename,
__res_mkquery, __res_nsend, __res_query, __res_querydomain and
__res_search.
* resolv/Banner: BIND-8.2.3-T5B.
* resolv/base64.c: Update from BIND 8.2.3-T5B.
* resolv/herror.c: Likewise.
* resolv/inet_addr.c: Likewise.
* resolv/inet_net_ntop.c: Likewise.
* resolv/inet_net_pton.c: Likewise.
* resolv/inet_neta.c: Likewise.
* resolv/inet_ntop.c: Likewise.
* resolv/nsap_addr.c: Likewise.
* resolv/inet_pton.c: Likewise. Reject a few more more invalid
IPv6 addresses (ISC bug #520).
* resolv/ns_name.c: Avoid emitting RCS ID in object file.
* resolv/ns_parse.c: Likewise.
* resolv/ns_netint.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/ns_print.c: Update from BIND 8.2.3-T5B. Avoid emitting
RCS ID in object file.
* resolv/res_debug.c: Update from BIND 8.2.3-T5B.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_init.c: Likewise.
(res_setoptions): Mark internal.
* resolv/res_send.c: Likewise.
[_LIBC]: Fully reinstate the code that avoids the FD_SETSIZE limit
by using poll instead.
* resolv/res_comp.c: Likewise.
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make dn_expand a
weak alias for __dn_expand.
* resolv/res_data.c: Likewise.
(res_close) [_LIBC]: Don't call res_nclose if RES_INIT isn't set
in _res.options. Avoids a potential security risk by avoiding a
close (0).
[SHLIB_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_2)]: Make
res_mkquery, res_query, res_querydomain adn res_search weak
aliases for __res_mkquery, __res_query, __res_querydomain and
__res_search.
* resolv/res_libc.c: (_res): Don't initialize. Fix res_close
instead to avoid close(0).
(res_init): Always use the static resolver context.
[SHLIB_COMPAT (libc, GLIBC_2.0, GLIBC_2_2)]: Make res_init a weak
alias for __res_init.
* resolv/resolv.h: Update from BIND 8.2.3-T5B. Move definition of
RES_SET_H_ERRNO and accompanying comment to...
* include/resolv.h: ... here.
* resolv/arpa/namser.h: Update from BIND 8.2.3-T5B.
* resolv/arpa/nameser_compat.h: Likewise.
2000-07-20 06:03:58 +08:00
|
|
|
strerror(error));
|
|
|
|
}
|
|
|
|
__set_errno (save);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
Perror(const res_state statp, FILE *file, const char *string, int error) {
|
|
|
|
int save = errno;
|
|
|
|
|
|
|
|
if ((statp->options & RES_DEBUG) != 0)
|
|
|
|
fprintf(file, "res_send: %s: %s\n",
|
|
|
|
string, strerror(error));
|
|
|
|
__set_errno (save);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static int
|
2000-07-26 16:05:34 +08:00
|
|
|
sock_eq(struct sockaddr_in6 *a1, struct sockaddr_in6 *a2) {
|
|
|
|
if (a1->sin6_family == a2->sin6_family) {
|
|
|
|
if (a1->sin6_family == AF_INET)
|
|
|
|
return ((((struct sockaddr_in *)a1)->sin_port ==
|
|
|
|
((struct sockaddr_in *)a2)->sin_port) &&
|
|
|
|
(((struct sockaddr_in *)a1)->sin_addr.s_addr ==
|
|
|
|
((struct sockaddr_in *)a2)->sin_addr.s_addr));
|
|
|
|
else
|
|
|
|
return ((a1->sin6_port == a2->sin6_port) &&
|
|
|
|
!memcmp(&a1->sin6_addr, &a2->sin6_addr,
|
|
|
|
sizeof (struct in6_addr)));
|
|
|
|
}
|
|
|
|
if (a1->sin6_family == AF_INET) {
|
|
|
|
struct sockaddr_in6 *sap = a1;
|
|
|
|
a1 = a2;
|
|
|
|
a2 = sap;
|
|
|
|
} /* assumes that AF_INET and AF_INET6 are the only possibilities */
|
|
|
|
return ((a1->sin6_port == ((struct sockaddr_in *)a2)->sin_port) &&
|
|
|
|
IN6_IS_ADDR_V4MAPPED(&a1->sin6_addr) &&
|
|
|
|
(a1->sin6_addr.s6_addr32[3] ==
|
|
|
|
((struct sockaddr_in *)a2)->sin_addr.s_addr));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Converts IPv4 family, address and port to
|
|
|
|
* IPv6 family, IPv4-mapped IPv6 address and port.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
convaddr4to6(struct sockaddr_in6 *sa)
|
|
|
|
{
|
2000-08-24 18:00:43 +08:00
|
|
|
struct sockaddr_in *sa4p = (struct sockaddr_in *) sa;
|
|
|
|
in_port_t port = sa4p->sin_port;
|
|
|
|
in_addr_t addr = sa4p->sin_addr.s_addr;
|
2000-07-26 16:05:34 +08:00
|
|
|
|
|
|
|
sa->sin6_family = AF_INET6;
|
2000-08-24 18:00:43 +08:00
|
|
|
sa->sin6_port = port;
|
2000-07-26 16:05:34 +08:00
|
|
|
sa->sin6_addr.s6_addr32[0] = 0;
|
|
|
|
sa->sin6_addr.s6_addr32[1] = 0;
|
|
|
|
sa->sin6_addr.s6_addr32[2] = htonl(0xFFFF);
|
2000-08-24 18:00:43 +08:00
|
|
|
sa->sin6_addr.s6_addr32[3] = addr;
|
2000-07-26 16:05:34 +08:00
|
|
|
}
|