Import security fix from 1.3.29 distribution for a buffer overflow in

mod_rewrite and mod_alias, referenced CAN-2003-0542. Bump PKGREVISION.

6 files changed, 119 insertions, 3 deletions

diff --git a/www/apache6/Makefile b/www/apache6/Makefile
index 651a7d9c132..9c1fcb68a9e 100644
--- a/www/apache6/Makefile
+++ b/www/apache6/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.84 2003/10/18 13:08:49 cjep Exp $
+# $NetBSD: Makefile,v 1.85 2003/10/29 10:45:26 cube Exp $
 #
 # This package does not compile in mod_ssl support hooks, as it conflicts
 # with IPv6-enable patch.
@@ -9,7 +9,7 @@
 DISTNAME=		apache_${APACHE_VERSION}
 PKGNAME=		apache6-${APACHE_VERSION}
 APACHE_VERSION=		1.3.28
-PKGREVISION=		1
+PKGREVISION=		2
 CATEGORIES=		www
 MASTER_SITES=		${MASTER_SITE_APACHE:=httpd/} \
 			${MASTER_SITE_APACHE:=httpd/old/}
diff --git a/www/apache6/distinfo b/www/apache6/distinfo
index 9f2fe3cf41e..79fb0f897de 100644
--- a/www/apache6/distinfo
+++ b/www/apache6/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.16 2003/09/13 23:37:07 itojun Exp $
+$NetBSD: distinfo,v 1.17 2003/10/29 10:45:26 cube Exp $
 
 SHA1 (apache_1.3.28.tar.gz) = a4d0a9c57a53cb641928c882a9d3b6fd645e4e3e
 Size (apache_1.3.28.tar.gz) = 2388111 bytes
@@ -15,3 +15,7 @@ SHA1 (patch-ah) = 553f8f2bf4bf7278adb46ff8749be154f10e39d3
 SHA1 (patch-ai) = 46d9a97fbc248a2bea97943b9f3b2f9f693f3695
 SHA1 (patch-aj) = 1cdd2f010d381ec9c13f59b31caab7d1f6f63100
 SHA1 (patch-ak) = 8f790a692ed9b2dd6943be43fa1cf7629c673955
+SHA1 (patch-an) = 5babca7afb771ab8e7766a999912f1e5d39ff187
+SHA1 (patch-ao) = f3ef867c9c638b0f62ef4bf0e9a78aaba0098da2
+SHA1 (patch-ap) = cd62c463b46e5ab223ca080087d066c7deefaec0
+SHA1 (patch-aq) = 20fd8fec178b2969044676ab5621bc337ba9c14b
diff --git a/www/apache6/patches/patch-an b/www/apache6/patches/patch-an
new file mode 100644
index 00000000000..985ed732ed6
--- /dev/null
+++ b/www/apache6/patches/patch-an
@@ -0,0 +1,26 @@
+$NetBSD: patch-an,v 1.1 2003/10/29 10:45:26 cube Exp $
+
+--- src/modules/standard/mod_alias.c.orig	2003-04-24 18:08:21.000000000 +0200
++++ src/modules/standard/mod_alias.c
+@@ -299,7 +299,7 @@ static int alias_matches(const char *uri
+ static char *try_alias_list(request_rec *r, array_header *aliases, int doesc, int *status)
+ {
+     alias_entry *entries = (alias_entry *) aliases->elts;
+-    regmatch_t regm[10];
++    regmatch_t regm[AP_MAX_REG_MATCH];
+     char *found = NULL;
+     int i;
+ 
+@@ -308,10 +308,10 @@ static char *try_alias_list(request_rec 
+ 	int l;
+ 
+ 	if (p->regexp) {
+-	    if (!ap_regexec(p->regexp, r->uri, p->regexp->re_nsub + 1, regm, 0)) {
++	    if (!ap_regexec(p->regexp, r->uri, AP_MAX_REG_MATCH, regm, 0)) {
+ 		if (p->real) {
+ 		    found = ap_pregsub(r->pool, p->real, r->uri,
+-				    p->regexp->re_nsub + 1, regm);
++                                       AP_MAX_REG_MATCH, regm);
+ 		    if (found && doesc) {
+ 			found = ap_escape_uri(r->pool, found);
+ 		    }
diff --git a/www/apache6/patches/patch-ao b/www/apache6/patches/patch-ao
new file mode 100644
index 00000000000..b597218f01e
--- /dev/null
+++ b/www/apache6/patches/patch-ao
@@ -0,0 +1,50 @@
+$NetBSD: patch-ao,v 1.1 2003/10/29 10:45:26 cube Exp $
+
+--- src/modules/standard/mod_rewrite.c.orig	2003-10-29 09:25:17.000000000 +0100
++++ src/modules/standard/mod_rewrite.c
+@@ -1834,7 +1834,7 @@ static int apply_rewrite_rule(request_re
+     const char *vary;
+     char newuri[MAX_STRING_LEN];
+     regex_t *regexp;
+-    regmatch_t regmatch[MAX_NMATCH];
++    regmatch_t regmatch[AP_MAX_REG_MATCH];
+     backrefinfo *briRR = NULL;
+     backrefinfo *briRC = NULL;
+     int prefixstrip;
+@@ -1891,7 +1891,7 @@ static int apply_rewrite_rule(request_re
+         rewritelog(r, 3, "[per-dir %s] applying pattern '%s' to uri '%s'",
+                    perdir, p->pattern, uri);
+     }
+-    rc = (ap_regexec(regexp, uri, regexp->re_nsub+1, regmatch, 0) == 0);
++    rc = (ap_regexec(regexp, uri, AP_MAX_REG_MATCH, regmatch, 0) == 0);
+     if (! (( rc && !(p->flags & RULEFLAG_NOTMATCH)) ||
+            (!rc &&  (p->flags & RULEFLAG_NOTMATCH))   ) ) {
+         return 0;
+@@ -2179,7 +2179,7 @@ static int apply_rewrite_cond(request_re
+     char input[MAX_STRING_LEN];
+     struct stat sb;
+     request_rec *rsub;
+-    regmatch_t regmatch[MAX_NMATCH];
++    regmatch_t regmatch[AP_MAX_REG_MATCH];
+     int rc;
+ 
+     /*
+@@ -2283,8 +2283,7 @@ static int apply_rewrite_cond(request_re
+     }
+     else {
+         /* it is really a regexp pattern, so apply it */
+-        rc = (ap_regexec(p->regexp, input,
+-                         p->regexp->re_nsub+1, regmatch,0) == 0);
++        rc = (ap_regexec(p->regexp, input, AP_MAX_REG_MATCH, regmatch,0) == 0);
+ 
+         /* if it isn't a negated pattern and really matched
+            we update the passed-through regex subst info structure */
+@@ -2442,7 +2441,7 @@ static void do_expand(request_rec *r, ch
+ 		bri = briRC;
+ 	    }
+ 	    /* see ap_pregsub() in src/main/util.c */
+-            if (bri && n <= bri->nsub &&
++            if (bri && n < AP_MAX_REG_MATCH &&
+ 		bri->regmatch[n].rm_eo > bri->regmatch[n].rm_so) {
+ 		span = bri->regmatch[n].rm_eo - bri->regmatch[n].rm_so;
+ 		if (span > space) {
diff --git a/www/apache6/patches/patch-ap b/www/apache6/patches/patch-ap
new file mode 100644
index 00000000000..9b2d0ce8044
--- /dev/null
+++ b/www/apache6/patches/patch-ap
@@ -0,0 +1,22 @@
+$NetBSD: patch-ap,v 1.1 2003/10/29 10:45:26 cube Exp $
+
+--- src/modules/standard/mod_rewrite.h.orig	2003-05-19 04:35:31.000000000 +0200
++++ src/modules/standard/mod_rewrite.h
+@@ -253,8 +253,6 @@
+ 
+ #define MAX_ENV_FLAGS 15
+ 
+-#define MAX_NMATCH    10
+-
+ /* default maximum number of internal redirects */
+ #define REWRITE_REDIRECT_LIMIT 10
+ 
+@@ -368,7 +366,7 @@ typedef struct cache {
+ typedef struct backrefinfo {
+     char *source;
+     int nsub;
+-    regmatch_t regmatch[10];
++    regmatch_t regmatch[AP_MAX_REG_MATCH];
+ } backrefinfo;
+ 
+ 
diff --git a/www/apache6/patches/patch-aq b/www/apache6/patches/patch-aq
new file mode 100644
index 00000000000..d9ff658bba0
--- /dev/null
+++ b/www/apache6/patches/patch-aq
@@ -0,0 +1,14 @@
+$NetBSD: patch-aq,v 1.1 2003/10/29 10:45:26 cube Exp $
+
+--- src/include/httpd.h.orig	2003-10-29 09:28:40.000000000 +0100
++++ src/include/httpd.h
+@@ -291,6 +291,9 @@ extern "C" {
+ /* The size of the server's internal read-write buffers */
+ #define IOBUFSIZE 8192
+ 
++/* The max number of regex captures that can be expanded by ap_pregsub */
++#define AP_MAX_REG_MATCH 10
++
+ /* Number of servers to spawn off by default --- also, if fewer than
+  * this free when the caretaker checks, it will spawn more.
+  */