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- markus@cvs.openbsd.org 2001/12/05 16:54:51
[compat.c match.c match.h]
make theo and djm happy: bye bye regexp
This commit is contained in:
Ben Lindstrom
parent
ff4a14f809
commit
9eab262f1c
@ -65,6 +65,9 @@
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- markus@cvs.openbsd.org 2001/12/05 15:04:48
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[version.h]
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post 3.0.2
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- markus@cvs.openbsd.org 2001/12/05 16:54:51
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[compat.c match.c match.h]
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make theo and djm happy: bye bye regexp
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20011126
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- (tim) [contrib/cygwin/README, openbsd-compat/bsd-cygwin_util.c,
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@ -6987,4 +6990,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.1685 2001/12/06 18:02:59 mouring Exp $
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$Id: ChangeLog,v 1.1686 2001/12/06 18:06:05 mouring Exp $
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112
compat.c
112
compat.c
@ -23,22 +23,13 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: compat.c,v 1.54 2001/12/05 10:06:12 deraadt Exp $");
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#ifdef HAVE_LIBPCRE
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# include <pcreposix.h>
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#else /* Use native regex libraries */
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# ifdef HAVE_REGEX_H
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# include <regex.h>
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# else
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# include "openbsd-compat/fake-regex.h"
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# endif
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#endif /* HAVE_LIBPCRE */
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RCSID("$OpenBSD: compat.c,v 1.55 2001/12/05 16:54:51 markus Exp $");
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#include "packet.h"
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#include "xmalloc.h"
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#include "compat.h"
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#include "log.h"
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#include "match.h"
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int compat13 = 0;
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int compat20 = 0;
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@ -60,86 +51,97 @@ enable_compat13(void)
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void
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compat_datafellows(const char *version)
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{
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int i, ret;
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char ebuf[1024];
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regex_t reg;
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int i;
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static struct {
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char *pat;
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int bugs;
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} check[] = {
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{ "^OpenSSH[-_]2\\.[012]",
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SSH_OLD_SESSIONID|SSH_BUG_BANNER|
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{ "OpenSSH-2.0*,"
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"OpenSSH-2.1*,"
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"OpenSSH_2.1*,"
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"OpenSSH_2.2*", SSH_OLD_SESSIONID|SSH_BUG_BANNER|
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SSH_OLD_DHGEX|SSH_BUG_NOREKEY },
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{ "^OpenSSH_2\\.3\\.0", SSH_BUG_BANNER|SSH_BUG_BIGENDIANAES|
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{ "OpenSSH_2.3.0*", SSH_BUG_BANNER|SSH_BUG_BIGENDIANAES|
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SSH_OLD_DHGEX|SSH_BUG_NOREKEY},
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{ "^OpenSSH_2\\.3\\.", SSH_BUG_BIGENDIANAES|SSH_OLD_DHGEX|
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{ "OpenSSH_2.3.*", SSH_BUG_BIGENDIANAES|SSH_OLD_DHGEX|
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SSH_BUG_NOREKEY},
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{ "^OpenSSH_2\\.5\\.[01]p1",
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{ "OpenSSH_2.5.0p1*,"
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"OpenSSH_2.5.1p1*",
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SSH_BUG_BIGENDIANAES|SSH_OLD_DHGEX|
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SSH_BUG_NOREKEY },
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{ "^OpenSSH_2\\.5\\.[012]",
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SSH_OLD_DHGEX|SSH_BUG_NOREKEY },
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{ "^OpenSSH_2\\.5\\.3",
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{ "OpenSSH_2.5.0*,"
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"OpenSSH_2.5.1*,"
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"OpenSSH_2.5.2*", SSH_OLD_DHGEX|SSH_BUG_NOREKEY },
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{ "OpenSSH_2.5.3*",
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SSH_BUG_NOREKEY },
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{ "^OpenSSH", 0 },
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{ "MindTerm", 0 },
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{ "^2\\.1\\.0", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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{ "OpenSSH*", 0 },
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{ "*MindTerm*", 0 },
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{ "2.1.0*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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SSH_OLD_SESSIONID|SSH_BUG_DEBUG|
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SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE },
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{ "^2\\.1 ", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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{ "2.1 *", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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SSH_OLD_SESSIONID|SSH_BUG_DEBUG|
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SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE },
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{ "^2\\.0\\.1[3-9]", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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{ "2.0.13*,"
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"2.0.14*,"
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"2.0.15*,"
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"2.0.16*,"
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"2.0.17*,"
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"2.0.18*,"
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"2.0.19*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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SSH_OLD_SESSIONID|SSH_BUG_DEBUG|
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SSH_BUG_PKSERVICE|SSH_BUG_X11FWD|
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SSH_BUG_PKOK|SSH_BUG_RSASIGMD5|
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SSH_BUG_HBSERVICE|SSH_BUG_OPENFAILURE|
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SSH_BUG_DUMMYCHAN },
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{ "^2\\.0\\.1[1-2]", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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{ "2.0.11*,"
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"2.0.12*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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SSH_OLD_SESSIONID|SSH_BUG_DEBUG|
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SSH_BUG_PKSERVICE|SSH_BUG_X11FWD|
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SSH_BUG_PKAUTH|SSH_BUG_PKOK|
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SSH_BUG_RSASIGMD5|SSH_BUG_OPENFAILURE|
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SSH_BUG_DUMMYCHAN },
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{ "^2\\.0\\.", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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{ "2.0.*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC|
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SSH_OLD_SESSIONID|SSH_BUG_DEBUG|
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SSH_BUG_PKSERVICE|SSH_BUG_X11FWD|
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SSH_BUG_PKAUTH|SSH_BUG_PKOK|
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SSH_BUG_RSASIGMD5|SSH_BUG_OPENFAILURE|
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SSH_BUG_DERIVEKEY|SSH_BUG_DUMMYCHAN },
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{ "^2\\.[23]\\.0", SSH_BUG_HMAC|SSH_BUG_DEBUG|
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{ "2.2.0*,"
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"2.3.0*", SSH_BUG_HMAC|SSH_BUG_DEBUG|
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SSH_BUG_RSASIGMD5 },
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{ "^2\\.3\\.", SSH_BUG_DEBUG|SSH_BUG_RSASIGMD5 },
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{ "^2\\.[2-9]\\.", SSH_BUG_DEBUG },
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{ "^3\\.0\\.", SSH_BUG_DEBUG },
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{ "^2\\.4$", SSH_OLD_SESSIONID }, /* Van Dyke */
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{ "^3\\.0 SecureCRT", SSH_OLD_SESSIONID },
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{ "^1\\.7 SecureFX", SSH_OLD_SESSIONID },
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{ "^1\\.2\\.1[89]", SSH_BUG_IGNOREMSG },
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{ "^1\\.2\\.2[012]", SSH_BUG_IGNOREMSG },
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{ "^1\\.3\\.2", SSH_BUG_IGNOREMSG }, /* f-secure */
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{ "^SSH Compatible Server", /* Netscreen */
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{ "2.3.*", SSH_BUG_DEBUG|SSH_BUG_RSASIGMD5 },
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{ "2.4", SSH_OLD_SESSIONID }, /* Van Dyke */
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{ "2.*", SSH_BUG_DEBUG },
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{ "3.0.*", SSH_BUG_DEBUG },
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{ "3.0 SecureCRT*", SSH_OLD_SESSIONID },
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{ "1.7 SecureFX*", SSH_OLD_SESSIONID },
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{ "1.2.18*,"
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"1.2.19*,"
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"1.2.20*,"
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"1.2.21*,"
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"1.2.22*", SSH_BUG_IGNOREMSG },
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{ "1.3.2*", SSH_BUG_IGNOREMSG }, /* f-secure */
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{ "*SSH Compatible Server*", /* Netscreen */
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SSH_BUG_PASSWORDPAD },
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{ "^OSU_0", SSH_BUG_PASSWORDPAD },
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{ "^OSU_1\\.[0-4]", SSH_BUG_PASSWORDPAD },
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{ "^OSU_1\\.5alpha[1-3]",
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SSH_BUG_PASSWORDPAD },
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{ "^SSH_Version_Mapper",
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{ "*OSU_0*,"
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"OSU_1.0*,"
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"OSU_1.1*,"
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"OSU_1.2*,"
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"OSU_1.3*,"
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"OSU_1.4*,"
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"OSU_1.5alpha1*,"
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"OSU_1.5alpha2*,"
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"OSU_1.5alpha3*", SSH_BUG_PASSWORDPAD },
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{ "*SSH_Version_Mapper*",
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SSH_BUG_SCANNER },
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{ NULL, 0 }
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};
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/* process table, return first match */
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for (i = 0; check[i].pat; i++) {
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ret = regcomp(®, check[i].pat, REG_EXTENDED|REG_NOSUB);
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if (ret != 0) {
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regerror(ret, ®, ebuf, sizeof(ebuf));
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ebuf[sizeof(ebuf)-1] = '\0';
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error("regerror: %s", ebuf);
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continue;
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}
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ret = regexec(®, version, 0, NULL, 0);
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regfree(®);
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if (ret == 0) {
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if (match_pattern_list(version, check[i].pat,
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strlen(check[i].pat), 0) == 1) {
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debug("match: %s pat %s", version, check[i].pat);
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datafellows = check[i].bugs;
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return;
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26
match.c
26
match.c
@ -35,7 +35,7 @@
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*/
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#include "includes.h"
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RCSID("$OpenBSD: match.c,v 1.14 2001/06/27 04:48:53 markus Exp $");
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RCSID("$OpenBSD: match.c,v 1.15 2001/12/05 16:54:51 markus Exp $");
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#include "match.h"
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#include "xmalloc.h"
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@ -104,14 +104,15 @@ match_pattern(const char *s, const char *pattern)
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}
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/*
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* Tries to match the host name (which must be in all lowercase) against the
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* Tries to match the string against the
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* comma-separated sequence of subpatterns (each possibly preceded by ! to
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* indicate negation). Returns -1 if negation matches, 1 if there is
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* a positive match, 0 if there is no match at all.
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*/
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int
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match_hostname(const char *host, const char *pattern, u_int len)
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match_pattern_list(const char *string, const char *pattern, u_int len,
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int dolower)
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{
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char sub[1024];
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int negated;
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@ -134,7 +135,8 @@ match_hostname(const char *host, const char *pattern, u_int len)
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for (subi = 0;
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i < len && subi < sizeof(sub) - 1 && pattern[i] != ',';
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subi++, i++)
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sub[subi] = isupper(pattern[i]) ? tolower(pattern[i]) : pattern[i];
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sub[subi] = dolower && isupper(pattern[i]) ?
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tolower(pattern[i]) : pattern[i];
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/* If subpattern too long, return failure (no match). */
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if (subi >= sizeof(sub) - 1)
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return 0;
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@ -146,8 +148,8 @@ match_hostname(const char *host, const char *pattern, u_int len)
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/* Null-terminate the subpattern. */
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sub[subi] = '\0';
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/* Try to match the subpattern against the host name. */
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if (match_pattern(host, sub)) {
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/* Try to match the subpattern against the string. */
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if (match_pattern(string, sub)) {
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if (negated)
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return -1; /* Negative */
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else
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@ -162,6 +164,18 @@ match_hostname(const char *host, const char *pattern, u_int len)
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return got_positive;
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}
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/*
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* Tries to match the host name (which must be in all lowercase) against the
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* comma-separated sequence of subpatterns (each possibly preceded by ! to
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* indicate negation). Returns -1 if negation matches, 1 if there is
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* a positive match, 0 if there is no match at all.
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*/
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int
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match_hostname(const char *host, const char *pattern, u_int len)
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{
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return match_pattern_list(host, pattern, len, 1);
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}
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/*
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* returns 0 if we get a negative match for the hostname or the ip
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* or if we get no match at all. returns 1 otherwise.
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7
match.h
7
match.h
@ -1,4 +1,4 @@
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/* $OpenBSD: match.h,v 1.9 2001/06/26 06:32:56 itojun Exp $ */
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/* $OpenBSD: match.h,v 1.10 2001/12/05 16:54:51 markus Exp $ */
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/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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@ -14,8 +14,9 @@
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#ifndef MATCH_H
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#define MATCH_H
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int match_pattern(const char *, const char *);
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int match_hostname(const char *, const char *, u_int);
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int match_pattern(const char *, const char *);
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int match_pattern_list(const char *, const char *, u_int, int);
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int match_hostname(const char *, const char *, u_int);
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int match_host_and_ip(const char *, const char *, const char *);
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int match_user(const char *, const char *, const char *, const char *);
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char *match_list(const char *, const char *, u_int *);
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