mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-11-27 05:46:36 +08:00
- (djm) Merge cygwin support from Corinna Vinschen <vinschen@cygnus.com>
This commit is contained in:
Damien Miller
parent
676092fad0
commit
bac2d8aa5e
1
CREDITS
1
CREDITS
@ -21,6 +21,7 @@ Chris Saia <csaia@wtower.com> - SuSE packaging
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Chris, the Young One <cky@pobox.com> - Password auth fixes
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Christos Zoulas <christos@zoulas.com> - Autoconf fixes
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Chun-Chung Chen <cjj@u.washington.edu> - RPM fixes
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Corinna Vinschen <vinschen@cygnus.com> - Cygwin support
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Dan Brosemer <odin@linuxfreak.com> - Autoconf support, build fixes
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Darren Hall <dhall@virage.org> - AIX patches
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David Agraz <dagraz@jahoopa.com> - Build fixes
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@ -38,6 +38,8 @@
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[session.c]
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set SSH_ORIGINAL_COMMAND; from Leakin@dfw.nostrum.com, bet@rahul.net
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- (djm) Cleanup after import. Fix sftp-server compilation, Makefile
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- (djm) Merge cygwin support from Corinna Vinschen <vinschen@cygnus.com>
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20000903
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- (djm) Fix Redhat init script
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37
Makefile.in
37
Makefile.in
@ -29,12 +29,13 @@ INSTALL=@INSTALL@
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PERL=@PERL@
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ENT=@ENT@
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LDFLAGS=-L. @LDFLAGS@
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EXEEXT=@EXEEXT@
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INSTALL_SSH_PRNG_CMDS=@INSTALL_SSH_PRNG_CMDS@
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TARGETS=ssh sshd ssh-add ssh-keygen ssh-agent scp sftp-server $(EXTRA_TARGETS)
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TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-agent$(EXEEXT) scp$(EXEEXT) sftp-server$(EXEEXT) $(EXTRA_TARGETS)
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LIBSSH_OBJS=atomicio.o authfd.o authfile.o bufaux.o buffer.o canohost.o channels.o cipher.o compat.o compress.o crc32.o deattack.o dispatch.o dsa.o hmac.o hostfile.o key.o kex.o log.o match.o mpaux.o nchan.o packet.o radix.o entropy.o readpass.o rsa.o tildexpand.o ttymodes.o uidswap.o util.o uuencode.o xmalloc.o
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LIBSSH_OBJS=atomicio.o authfd.o authfile.o bufaux.o buffer.o canohost.o channels.o cipher.o compat.o compress.o crc32.o cygwin_util.o deattack.o dispatch.o dsa.o hmac.o hostfile.o key.o kex.o log.o match.o mpaux.o nchan.o packet.o radix.o entropy.o readpass.o rsa.o tildexpand.o ttymodes.o uidswap.o util.o uuencode.o xmalloc.o
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LIBOPENBSD_COMPAT_OBJS=bsd-arc4random.o bsd-base64.o bsd-bindresvport.o bsd-daemon.o bsd-inet_aton.o bsd-inet_ntoa.o bsd-misc.o bsd-mktemp.o bsd-rresvport.o bsd-setenv.o bsd-sigaction.o bsd-snprintf.o bsd-strlcat.o bsd-strlcpy.o bsd-strsep.o fake-getaddrinfo.o fake-getnameinfo.o next-posix.o
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@ -68,25 +69,25 @@ libssh.a: $(LIBSSH_OBJS)
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$(AR) rv $@ $(LIBSSH_OBJS)
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$(RANLIB) $@
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ssh: libopenbsd-compat.a libssh.a $(SSHOBJS)
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ssh$(EXEEXT): libopenbsd-compat.a libssh.a $(SSHOBJS)
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$(LD) -o $@ $(SSHOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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sshd: libssh.a libopenbsd-compat.a $(SSHDOBJS)
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sshd$(EXEEXT): libssh.a libopenbsd-compat.a $(SSHDOBJS)
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$(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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scp: libopenbsd-compat.a libssh.a scp.o
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scp$(EXEEXT): libopenbsd-compat.a libssh.a scp.o
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$(LD) -o $@ scp.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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ssh-add: libopenbsd-compat.a libssh.a ssh-add.o log-client.o
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ssh-add$(EXEEXT): libopenbsd-compat.a libssh.a ssh-add.o log-client.o
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$(LD) -o $@ ssh-add.o log-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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ssh-agent: libopenbsd-compat.a libssh.a ssh-agent.o log-client.o
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ssh-agent$(EXEEXT): libopenbsd-compat.a libssh.a ssh-agent.o log-client.o
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$(LD) -o $@ ssh-agent.o log-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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ssh-keygen: libopenbsd-compat.a libssh.a ssh-keygen.o log-client.o
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ssh-keygen$(EXEEXT): libopenbsd-compat.a libssh.a ssh-keygen.o log-client.o
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$(LD) -o $@ ssh-keygen.o log-client.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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sftp-server: libopenbsd-compat.a libssh.a sftp-server.o log-server.o
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sftp-server$(EXEEXT): libopenbsd-compat.a libssh.a sftp-server.o log-server.o
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$(LD) -o $@ sftp-server.o log-server.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS)
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# test driver for the loginrec code - not built by default
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@ -142,7 +143,7 @@ install-files:
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$(INSTALL) -m 644 sshd.[08].out $(DESTDIR)$(mandir)/$(mansubdir)8/sshd.8
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$(INSTALL) -m 644 sftp-server.[08].out $(DESTDIR)$(mandir)/$(mansubdir)8/sftp-server.8
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-rm -f $(DESTDIR)$(bindir)/slogin
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ln -s ssh $(DESTDIR)$(bindir)/slogin
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ln -s ssh$(EXEEXT) $(DESTDIR)$(bindir)/slogin
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-rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/slogin.1
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ln -s ssh.1 $(DESTDIR)$(mandir)/$(mansubdir)1/slogin.1
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if [ ! -f $(DESTDIR)$(sysconfdir)/ssh_config -a ! -f $(DESTDIR)$(sysconfdir)/sshd_config ]; then \
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@ -155,7 +156,7 @@ install-files:
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$(INSTALL) -m 644 ssh_prng_cmds.out $(DESTDIR)$(sysconfdir)/ssh_prng_cmds; \
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fi
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host-key: ssh-keygen
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host-key: ssh-keygen$(EXEEXT)
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if [ -z "$(DESTDIR)" ] ; then \
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if [ -f "$(DESTDIR)$(sysconfdir)/ssh_host_key" ] ; then \
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echo "$(DESTDIR)$(sysconfdir)/ssh_host_key already exists, skipping." ; \
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@ -169,7 +170,7 @@ host-key: ssh-keygen
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fi ; \
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fi ;
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host-key-force: ssh-keygen
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host-key-force: ssh-keygen$(EXEEXT)
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./ssh-keygen -b 1024 -f $(DESTDIR)$(sysconfdir)/ssh_host_key -N ""
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./ssh-keygen -d -f $(DESTDIR)$(sysconfdir)/ssh_host_dsa_key -N ""
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@ -186,12 +187,12 @@ uninstallall: uninstall
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-rmdir $(DESTDIR)$(libexecdir)
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uninstall:
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-rm -f $(DESTDIR)$(bindir)/ssh
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-rm -f $(DESTDIR)$(bindir)/scp
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-rm -f $(DESTDIR)$(bindir)/ssh-add
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-rm -f $(DESTDIR)$(bindir)/ssh-agent
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-rm -f $(DESTDIR)$(bindir)/ssh-keygen
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-rm -f $(DESTDIR)$(sbindir)/sshd
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-rm -f $(DESTDIR)$(bindir)/ssh$(EXEEXT)
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-rm -f $(DESTDIR)$(bindir)/scp$(EXEEXT)
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-rm -f $(DESTDIR)$(bindir)/ssh-add$(EXEEXT)
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-rm -f $(DESTDIR)$(bindir)/ssh-agent$(EXEEXT)
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-rm -f $(DESTDIR)$(bindir)/ssh-keygen$(EXEEXT)
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-rm -f $(DESTDIR)$(sbindir)/sshd$(EXEEXT)
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-rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1
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-rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/scp.1
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-rm -f $(DESTDIR)$(mandir)/$(mansubdir)1/ssh-add.1
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@ -43,6 +43,9 @@
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/* Define if your snprintf is busted */
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#undef BROKEN_SNPRINTF
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/* Define if you are on Cygwin */
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#undef HAVE_CYGWIN
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/* Define if you are on NeXT */
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#undef HAVE_NEXT
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@ -243,6 +246,9 @@
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/* getaddrinfo is broken (if present) */
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#undef BROKEN_GETADDRINFO
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/* vhangup is broken (if present) */
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#undef BROKEN_VHANGUP
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/* Workaround more Linux IPv6 quirks */
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#undef DONT_TRY_OTHER_AF
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@ -37,6 +37,13 @@ RCSID("$OpenBSD: auth-passwd.c,v 1.16 2000/06/20 01:39:38 markus Exp $");
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# include "md5crypt.h"
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#endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */
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#ifdef HAVE_CYGWIN
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#undef ERROR
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#include <windows.h>
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#include <sys/cygwin.h>
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#define is_winnt (GetVersion() < 0x80000000)
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#endif
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/*
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* Tries to authenticate the user using password. Returns true if
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* authentication succeeds.
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@ -63,11 +70,31 @@ auth_password(struct passwd * pw, const char *password)
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/* deny if no user. */
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if (pw == NULL)
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return 0;
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#ifndef HAVE_CYGWIN
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if (pw->pw_uid == 0 && options.permit_root_login == 2)
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return 0;
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#endif
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#ifdef HAVE_CYGWIN
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/*
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* Empty password is only possible on NT if the user has _really_
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* an empty password and authentication is done, though.
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*/
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if (!is_winnt)
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#endif
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if (*password == '\0' && options.permit_empty_passwd == 0)
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return 0;
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#ifdef HAVE_CYGWIN
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if (is_winnt) {
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HANDLE hToken = cygwin_logon_user(pw, password);
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if (hToken == INVALID_HANDLE_VALUE)
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return 0;
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cygwin_set_impersonation_token(hToken);
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return 1;
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}
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#endif
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#ifdef SKEY
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if (options.skey_authentication == 1) {
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int ret = auth_skey_password(pw, password);
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25
auth1.c
25
auth1.c
@ -23,6 +23,11 @@ RCSID("$OpenBSD: auth1.c,v 1.3 2000/08/20 18:42:40 millert Exp $");
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# include <siad.h>
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#endif
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#ifdef HAVE_CYGWIN
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#include <windows.h>
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#define is_winnt (GetVersion() < 0x80000000)
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#endif
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/* import */
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extern ServerOptions options;
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extern char *forced_command;
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@ -371,6 +376,23 @@ do_authloop(struct passwd * pw)
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break;
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}
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#ifdef HAVE_CYGWIN
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/*
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* The only authentication which is able to change the user
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* context on NT systems is the password authentication. So
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* we deny all requsts for changing the user context if another
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* authentication method is used.
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* This may change in future when a special openssh
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* subauthentication package is available.
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*/
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if (is_winnt && type != SSH_CMSG_AUTH_PASSWORD &&
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authenticated && geteuid() != pw->pw_uid) {
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packet_disconnect("Authentication rejected for uid %d.",
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(int) pw->pw_uid);
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authenticated = 0;
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}
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#endif
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/*
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* Check if the user is logging in as root and root logins
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* are disallowed.
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@ -491,12 +513,15 @@ do_authentication()
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start_pam(pw);
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#endif
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#ifndef HAVE_CYGWIN
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/*
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* If we are not running as root, the user must have the same uid as
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* the server.
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* Rule not valid on Windows systems.
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*/
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if (getuid() != 0 && pw->pw_uid != getuid())
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packet_disconnect("Cannot change user when server not running as root.");
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#endif
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debug("Attempting authentication for %.100s.", pw->pw_name);
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@ -457,7 +457,12 @@ load_private_key(const char *filename, const char *passphrase, Key *key,
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if (fd < 0)
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return 0;
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/* check owner and modes */
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#ifndef HAVE_CYGWIN
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/*
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* check owner and modes.
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* This won't work on Windows under all circumstances so we drop
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* that check for now.
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*/
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if (fstat(fd, &st) < 0 ||
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(st.st_uid != 0 && st.st_uid != getuid()) ||
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(st.st_mode & 077) != 0) {
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@ -470,6 +475,7 @@ load_private_key(const char *filename, const char *passphrase, Key *key,
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error("It is recommended that your private key files are NOT accessible by others.");
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return 0;
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}
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#endif
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switch (key->type) {
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case KEY_RSA:
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if (key->rsa->e != NULL) {
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@ -51,6 +51,13 @@ daemon(nochdir, noclose)
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case 0:
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break;
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default:
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#ifdef HAVE_CYGWIN
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/*
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* This sleep avoids a race condition which kills the
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* child process if parent is started by a NT/W2K service.
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*/
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sleep(1);
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#endif
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_exit(0);
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}
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@ -42,6 +42,11 @@
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static char rcsid[] = "$OpenBSD: mktemp.c,v 1.13 1998/06/30 23:03:13 deraadt Exp $";
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#endif /* LIBC_SCCS and not lint */
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#ifdef HAVE_CYGWIN
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#define open binary_open
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extern int binary_open();
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#endif
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static int _gettemp(char *, int *, int, int);
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int
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@ -1567,6 +1567,7 @@ channel_input_port_forward_request(int is_root, int gateway_ports)
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hostname = packet_get_string(NULL);
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host_port = packet_get_int();
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#ifndef HAVE_CYGWIN
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/*
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* Check that an unprivileged user is not trying to forward a
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* privileged port.
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@ -1574,6 +1575,7 @@ channel_input_port_forward_request(int is_root, int gateway_ports)
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if (port < IPPORT_RESERVED && !is_root)
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packet_disconnect("Requested forwarding of port %d but user is not root.",
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port);
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#endif
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/*
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* Initiate forwarding,
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*/
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14
configure.in
14
configure.in
@ -54,6 +54,18 @@ case "$host" in
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MANTYPE='$(CATMAN)'
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mansubdir=cat
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;;
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*-*-cygwin*)
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LIBS="$LIBS /usr/lib/textmode.o"
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AC_DEFINE(HAVE_CYGWIN)
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AC_DEFINE(DISABLE_PAM)
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AC_DEFINE(DISABLE_SHADOW)
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AC_DEFINE(IPV4_DEFAULT)
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AC_DEFINE(IP_TOS_IS_BROKEN)
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AC_DEFINE(BROKEN_VHANGUP)
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no_pam=1
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no_libsocket=1
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no_libnsl=1
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;;
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*-*-hpux10*)
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if test -z "$GCC"; then
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CFLAGS="$CFLAGS -Ae"
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@ -1400,6 +1412,8 @@ if test ! -z "$blibpath" ; then
|
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AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
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fi
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AC_EXEEXT
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AC_OUTPUT(Makefile ssh_prng_cmds)
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# Print summary of options
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35
cygwin_util.c
Normal file
35
cygwin_util.c
Normal file
@ -0,0 +1,35 @@
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/*
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*
|
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* cygwin_util.c
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*
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* Author: Corinna Vinschen <vinschen@cygnus.com>
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*
|
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* Copyright (c) 2000 Corinna Vinschen <vinschen@cygnus.com>, Duisburg, Germany
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* All rights reserved
|
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*
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* Created: Sat Sep 02 12:17:00 2000 cv
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*
|
||||
* This file contains functions for forcing opened file descriptors to
|
||||
* binary mode on Windows systems.
|
||||
*/
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||||
|
||||
#include "config.h"
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#ifdef HAVE_CYGWIN
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#include <fcntl.h>
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#include <io.h>
|
||||
|
||||
int binary_open(const char *filename, int flags, mode_t mode)
|
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{
|
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return open(filename, flags | O_BINARY, mode);
|
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}
|
||||
|
||||
int binary_pipe(int fd[2])
|
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{
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int ret = pipe(fd);
|
||||
if (!ret) {
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setmode (fd[0], O_BINARY);
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||||
setmode (fd[1], O_BINARY);
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||||
}
|
||||
}
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#endif
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@ -322,6 +322,10 @@ typedef int mode_t;
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# define atexit(a) on_exit(a)
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#endif /* !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT) */
|
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|
||||
#if defined(HAVE_VHANGUP) && !defined(BROKEN_VHANGUP)
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# define USE_VHANGUP
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#endif /* defined(HAVE_VHANGUP) && !defined(BROKEN_VHANGUP) */
|
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|
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/**
|
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** login recorder definitions
|
||||
**/
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||||
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12
includes.h
12
includes.h
@ -29,7 +29,9 @@ static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
|
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#include <sys/wait.h>
|
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#include <sys/resource.h>
|
||||
|
||||
#ifndef HAVE_CYGWIN
|
||||
#include <netinet/tcp.h>
|
||||
#endif
|
||||
#include <arpa/inet.h>
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||||
#include <netdb.h>
|
||||
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||||
@ -46,6 +48,9 @@ static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
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#include <grp.h>
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#include <time.h>
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||||
#include <dirent.h>
|
||||
#ifdef HAVE_CYGWIN
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||||
#include <getopt.h>
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_BSTRING_H
|
||||
# include <bstring.h>
|
||||
@ -110,4 +115,11 @@ static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
|
||||
*/
|
||||
/* #define USE_PIPES 1 */
|
||||
|
||||
#ifdef HAVE_CYGWIN
|
||||
#define open binary_open
|
||||
#define pipe binary_pipe
|
||||
extern int binary_open();
|
||||
extern int binary_pipe();
|
||||
#endif
|
||||
|
||||
#endif /* INCLUDES_H */
|
||||
|
||||
@ -161,7 +161,7 @@
|
||||
#include "xmalloc.h"
|
||||
#include "loginrec.h"
|
||||
|
||||
RCSID("$Id: loginrec.c,v 1.22 2000/08/29 03:30:37 djm Exp $");
|
||||
RCSID("$Id: loginrec.c,v 1.23 2000/09/05 05:13:07 djm Exp $");
|
||||
|
||||
/**
|
||||
** prototypes for helper functions in this file
|
||||
@ -401,10 +401,12 @@ login_set_addr(struct logininfo *li, const struct sockaddr *sa,
|
||||
int
|
||||
login_write (struct logininfo *li)
|
||||
{
|
||||
#ifndef HAVE_CYGWIN
|
||||
if ((int)geteuid() != 0) {
|
||||
log("Attempt to write login records by non-root user (aborting)");
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* set the timestamp */
|
||||
login_set_current_time(li);
|
||||
|
||||
16
pty.c
16
pty.c
@ -118,6 +118,7 @@ pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, int namebuflen)
|
||||
close(*ptyfd);
|
||||
return 0;
|
||||
}
|
||||
#ifndef HAVE_CYGWIN
|
||||
/* Push the appropriate streams modules, as described in Solaris pts(7). */
|
||||
if (ioctl(*ttyfd, I_PUSH, "ptem") < 0)
|
||||
error("ioctl I_PUSH ptem: %.100s", strerror(errno));
|
||||
@ -126,6 +127,7 @@ pty_allocate(int *ptyfd, int *ttyfd, char *namebuf, int namebuflen)
|
||||
#ifndef _HPUX_SOURCE
|
||||
if (ioctl(*ttyfd, I_PUSH, "ttcompat") < 0)
|
||||
error("ioctl I_PUSH ttcompat: %.100s", strerror(errno));
|
||||
#endif
|
||||
#endif
|
||||
return 1;
|
||||
#else /* HAVE_DEV_PTMX */
|
||||
@ -208,9 +210,9 @@ void
|
||||
pty_make_controlling_tty(int *ttyfd, const char *ttyname)
|
||||
{
|
||||
int fd;
|
||||
#ifdef HAVE_VHANGUP
|
||||
#ifdef USE_VHANGUP
|
||||
void *old;
|
||||
#endif /* HAVE_VHANGUP */
|
||||
#endif /* USE_VHANGUP */
|
||||
|
||||
/* First disconnect from the old controlling tty. */
|
||||
#ifdef TIOCNOTTY
|
||||
@ -242,21 +244,21 @@ pty_make_controlling_tty(int *ttyfd, const char *ttyname)
|
||||
*/
|
||||
ioctl(*ttyfd, TIOCSCTTY, NULL);
|
||||
#endif /* TIOCSCTTY */
|
||||
#ifdef HAVE_VHANGUP
|
||||
#ifdef USE_VHANGUP
|
||||
old = signal(SIGHUP, SIG_IGN);
|
||||
vhangup();
|
||||
signal(SIGHUP, old);
|
||||
#endif /* HAVE_VHANGUP */
|
||||
#endif /* USE_VHANGUP */
|
||||
fd = open(ttyname, O_RDWR);
|
||||
if (fd < 0) {
|
||||
error("%.100s: %.100s", ttyname, strerror(errno));
|
||||
} else {
|
||||
#ifdef HAVE_VHANGUP
|
||||
#ifdef USE_VHANGUP
|
||||
close(*ttyfd);
|
||||
*ttyfd = fd;
|
||||
#else /* HAVE_VHANGUP */
|
||||
#else /* USE_VHANGUP */
|
||||
close(fd);
|
||||
#endif /* HAVE_VHANGUP */
|
||||
#endif /* USE_VHANGUP */
|
||||
}
|
||||
/* Verify that we now have a controlling tty. */
|
||||
fd = open("/dev/tty", O_WRONLY);
|
||||
|
||||
@ -174,9 +174,11 @@ add_local_forward(Options *options, u_short port, const char *host,
|
||||
u_short host_port)
|
||||
{
|
||||
Forward *fwd;
|
||||
#ifndef HAVE_CYGWIN
|
||||
extern uid_t original_real_uid;
|
||||
if (port < IPPORT_RESERVED && original_real_uid != 0)
|
||||
fatal("Privileged ports can only be forwarded by root.\n");
|
||||
#endif
|
||||
if (options->num_local_forwards >= SSH_MAX_FORWARDS_PER_DIRECTION)
|
||||
fatal("Too many local forwards (max %d).", SSH_MAX_FORWARDS_PER_DIRECTION);
|
||||
fwd = &options->local_forwards[options->num_local_forwards++];
|
||||
|
||||
9
scp.c
9
scp.c
@ -1117,8 +1117,17 @@ foregroundproc()
|
||||
if (pgrp == -1)
|
||||
pgrp = getpgrp();
|
||||
|
||||
#ifdef HAVE_CYGWIN
|
||||
/*
|
||||
* Cygwin only supports tcgetpgrp() for getting the controlling tty
|
||||
* currently.
|
||||
*/
|
||||
return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 &&
|
||||
ctty_pgrp == pgrp);
|
||||
#else
|
||||
return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
|
||||
ctty_pgrp == pgrp));
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
|
||||
49
session.c
49
session.c
@ -41,6 +41,12 @@ RCSID("$OpenBSD: session.c,v 1.35 2000/09/04 19:07:21 markus Exp $");
|
||||
# include <siad.h>
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_CYGWIN
|
||||
#include <windows.h>
|
||||
#include <sys/cygwin.h>
|
||||
#define is_winnt (GetVersion() < 0x80000000)
|
||||
#endif
|
||||
|
||||
/* AIX limits */
|
||||
#if defined(HAVE_GETUSERATTR) && !defined(S_UFSIZE_HARD) && defined(S_UFSIZE)
|
||||
# define S_UFSIZE_HARD S_UFSIZE "_hard"
|
||||
@ -503,6 +509,10 @@ do_exec_no_pty(Session *s, const char *command, struct passwd * pw)
|
||||
do_child(command, pw, NULL, s->display, s->auth_proto, s->auth_data, NULL);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
#ifdef HAVE_CYGWIN
|
||||
if (is_winnt)
|
||||
cygwin_set_impersonation_token(INVALID_HANDLE_VALUE);
|
||||
#endif
|
||||
if (pid < 0)
|
||||
packet_disconnect("fork failed: %.100s", strerror(errno));
|
||||
s->pid = pid;
|
||||
@ -594,6 +604,10 @@ do_exec_pty(Session *s, const char *command, struct passwd * pw)
|
||||
s->auth_data, s->tty);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
#ifdef HAVE_CYGWIN
|
||||
if (is_winnt)
|
||||
cygwin_set_impersonation_token(INVALID_HANDLE_VALUE);
|
||||
#endif
|
||||
if (pid < 0)
|
||||
packet_disconnect("fork failed: %.100s", strerror(errno));
|
||||
s->pid = pid;
|
||||
@ -973,7 +987,11 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
exit(1);
|
||||
}
|
||||
#else /* HAVE_OSF_SIA */
|
||||
#ifdef HAVE_CYGWIN
|
||||
if (is_winnt) {
|
||||
#else
|
||||
if (getuid() == 0 || geteuid() == 0) {
|
||||
#endif
|
||||
# ifdef HAVE_GETUSERATTR
|
||||
set_limits_from_userattr(pw->pw_name);
|
||||
# endif /* HAVE_GETUSERATTR */
|
||||
@ -1018,6 +1036,9 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
}
|
||||
#endif /* HAVE_OSF_SIA */
|
||||
|
||||
#ifdef HAVE_CYGWIN
|
||||
if (is_winnt)
|
||||
#endif
|
||||
if (getuid() != pw->pw_uid || geteuid() != pw->pw_uid)
|
||||
fatal("Failed to set uids to %u.", (u_int) pw->pw_uid);
|
||||
}
|
||||
@ -1047,6 +1068,22 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
env = xmalloc(envsize * sizeof(char *));
|
||||
env[0] = NULL;
|
||||
|
||||
#ifdef HAVE_CYGWIN
|
||||
/*
|
||||
* The Windows environment contains some setting which are
|
||||
* important for a running system. They must not be dropped.
|
||||
*/
|
||||
{
|
||||
char **ep;
|
||||
for (ep = environ; *ep; ++ep) {
|
||||
char *esp = strchr(*ep, '=');
|
||||
*esp = '\0';
|
||||
child_set_env(&env, &envsize, *ep, esp + 1);
|
||||
*esp = '=';
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if (!options.use_login) {
|
||||
/* Set basic environment. */
|
||||
child_set_env(&env, &envsize, "USER", pw->pw_name);
|
||||
@ -1056,7 +1093,15 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
(void) setusercontext(lc, pw, pw->pw_uid, LOGIN_SETPATH);
|
||||
child_set_env(&env, &envsize, "PATH", getenv("PATH"));
|
||||
#else
|
||||
#ifndef HAVE_CYGWIN
|
||||
/*
|
||||
* There's no standard path on Windows. The path contains
|
||||
* important components pointing to the system directories,
|
||||
* needed for loading shared libraries. So the path better
|
||||
* remains intact here.
|
||||
*/
|
||||
child_set_env(&env, &envsize, "PATH", _PATH_STDPATH);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
snprintf(buf, sizeof buf, "%.200s/%.50s",
|
||||
@ -1234,11 +1279,13 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
"Running %.100s add %.100s %.100s %.100s\n",
|
||||
options.xauth_location, display,
|
||||
auth_proto, auth_data);
|
||||
#ifndef HAVE_CYGWIN
|
||||
if (screen != NULL)
|
||||
fprintf(stderr,
|
||||
"Adding %.*s/unix%s %s %s\n",
|
||||
(int)(screen-display), display,
|
||||
screen, auth_proto, auth_data);
|
||||
#endif
|
||||
}
|
||||
snprintf(cmd, sizeof cmd, "%s -q -",
|
||||
options.xauth_location);
|
||||
@ -1246,10 +1293,12 @@ do_child(const char *command, struct passwd * pw, const char *term,
|
||||
if (f) {
|
||||
fprintf(f, "add %s %s %s\n", display,
|
||||
auth_proto, auth_data);
|
||||
#ifndef HAVE_CYGWIN
|
||||
if (screen != NULL)
|
||||
fprintf(f, "add %.*s/unix%s %s %s\n",
|
||||
(int)(screen-display), display,
|
||||
screen, auth_proto, auth_data);
|
||||
#endif
|
||||
pclose(f);
|
||||
} else {
|
||||
fprintf(stderr, "Could not run %s\n",
|
||||
|
||||
16
ssh.c
16
ssh.c
@ -215,6 +215,7 @@ main(int ac, char **av)
|
||||
original_real_uid = getuid();
|
||||
original_effective_uid = geteuid();
|
||||
|
||||
#ifndef HAVE_CYGWIN
|
||||
/* If we are installed setuid root be careful to not drop core. */
|
||||
if (original_real_uid != original_effective_uid) {
|
||||
struct rlimit rlim;
|
||||
@ -222,6 +223,7 @@ main(int ac, char **av)
|
||||
if (setrlimit(RLIMIT_CORE, &rlim) < 0)
|
||||
fatal("setrlimit failed: %.100s", strerror(errno));
|
||||
}
|
||||
#endif
|
||||
/*
|
||||
* Use uid-swapping to give up root privileges for the duration of
|
||||
* option processing. We will re-instantiate the rights when we are
|
||||
@ -253,8 +255,17 @@ main(int ac, char **av)
|
||||
cp = strrchr(av0, '/') + 1;
|
||||
else
|
||||
cp = av0;
|
||||
#ifdef HAVE_CYGWIN
|
||||
if (strcasecmp(cp, "rsh") && strcasecmp(cp, "ssh") &&
|
||||
strcasecmp(cp, "rlogin") && strcasecmp(cp, "slogin") &&
|
||||
strcasecmp(cp, "remsh") &&
|
||||
strcasecmp(cp, "rsh.exe") && strcasecmp(cp, "ssh.exe") &&
|
||||
strcasecmp(cp, "rlogin.exe") && strcasecmp(cp, "slogin.exe") &&
|
||||
strcasecmp(cp, "remsh.exe"))
|
||||
#else
|
||||
if (strcmp(cp, "rsh") && strcmp(cp, "ssh") && strcmp(cp, "rlogin") &&
|
||||
strcmp(cp, "slogin") && strcmp(cp, "remsh"))
|
||||
#endif
|
||||
host = cp;
|
||||
|
||||
for (optind = 1; optind < ac; optind++) {
|
||||
@ -551,7 +562,12 @@ main(int ac, char **av)
|
||||
}
|
||||
}
|
||||
/* Disable rhosts authentication if not running as root. */
|
||||
#ifdef HAVE_CYGWIN
|
||||
/* Ignore uid if running under Windows */
|
||||
if (!options.use_privileged_port) {
|
||||
#else
|
||||
if (original_effective_uid != 0 || !options.use_privileged_port) {
|
||||
#endif
|
||||
options.rhosts_authentication = 0;
|
||||
options.rhosts_rsa_authentication = 0;
|
||||
}
|
||||
|
||||
@ -243,7 +243,11 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
|
||||
|
||||
/* Create a socket for connecting. */
|
||||
sock = ssh_create_socket(original_real_uid,
|
||||
#ifdef HAVE_CYGWIN
|
||||
!anonymous && port < IPPORT_RESERVED,
|
||||
#else
|
||||
!anonymous && geteuid() == 0 && port < IPPORT_RESERVED,
|
||||
#endif
|
||||
ai->ai_family);
|
||||
if (sock < 0)
|
||||
continue;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user