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-rw-r--r--target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch (renamed from target/linux/generic-2.6/patches/100-netfilter_layer7_2.1nbd.patch)560
-rw-r--r--target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch108
-rw-r--r--target/linux/generic-2.6/patches/110-ipp2p_0.8.1rc1.patch (renamed from target/linux/generic-2.6/patches/101-ipp2p_0.8.1rc1.patch)0
-rw-r--r--target/linux/generic-2.6/patches/120-openswan-2.4.0.kernel-2.6-natt.patch (renamed from target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch)0
-rw-r--r--target/linux/generic-2.6/patches/130-netfilter-ipset.patch (renamed from target/linux/generic-2.6/patches/103-netfilter-ipset.patch)0
-rw-r--r--target/linux/generic-2.6/patches/140-netfilter_time.patch (renamed from target/linux/generic-2.6/patches/105-netfilter_time.patch)0
-rw-r--r--target/linux/generic-2.6/patches/150-netfilter_imq.patch (renamed from target/linux/generic-2.6/patches/106-netfilter_imq.patch)0
-rw-r--r--target/linux/generic-2.6/patches/160-netfilter_route.patch (renamed from target/linux/generic-2.6/patches/108-netfilter_route.patch)0
8 files changed, 382 insertions, 286 deletions
diff --git a/target/linux/generic-2.6/patches/100-netfilter_layer7_2.1nbd.patch b/target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch
index 62571c6bf8..876423cac7 100644
--- a/target/linux/generic-2.6/patches/100-netfilter_layer7_2.1nbd.patch
+++ b/target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch
@@ -1,6 +1,6 @@
-diff -urN linux-2.6.19.old/include/linux/netfilter_ipv4/ip_conntrack.h linux-2.6.19.dev/include/linux/netfilter_ipv4/ip_conntrack.h
---- linux-2.6.19.old/include/linux/netfilter_ipv4/ip_conntrack.h 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/include/linux/netfilter_ipv4/ip_conntrack.h 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/include/linux/netfilter_ipv4/ip_conntrack.h linux.dev/include/linux/netfilter_ipv4/ip_conntrack.h
+--- linux.old/include/linux/netfilter_ipv4/ip_conntrack.h 2007-01-01 05:17:07.000000000 +0100
++++ linux.dev/include/linux/netfilter_ipv4/ip_conntrack.h 2007-01-01 05:18:48.000000000 +0100
@@ -127,6 +127,15 @@
/* Traversed often, so hopefully in different cacheline to top */
/* These are my tuples; original and reply */
@@ -17,10 +17,10 @@ diff -urN linux-2.6.19.old/include/linux/netfilter_ipv4/ip_conntrack.h linux-2.6
};
struct ip_conntrack_expect
-diff -urN linux-2.6.19.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.19.dev/include/linux/netfilter_ipv4/ipt_layer7.h
---- linux-2.6.19.old/include/linux/netfilter_ipv4/ipt_layer7.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/include/linux/netfilter_ipv4/ipt_layer7.h 2006-12-14 03:13:37.000000000 +0100
-@@ -0,0 +1,27 @@
+diff -urN linux.old/include/linux/netfilter_ipv4/ipt_layer7.h linux.dev/include/linux/netfilter_ipv4/ipt_layer7.h
+--- linux.old/include/linux/netfilter_ipv4/ipt_layer7.h 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/include/linux/netfilter_ipv4/ipt_layer7.h 2007-01-01 05:18:48.000000000 +0100
+@@ -0,0 +1,26 @@
+/*
+ By Matthew Strait <quadong@users.sf.net>, Dec 2003.
+ http://l7-filter.sf.net
@@ -44,13 +44,12 @@ diff -urN linux-2.6.19.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.1
+ char protocol[MAX_PROTOCOL_LEN];
+ char invert:1;
+ char pattern[MAX_PATTERN_LEN];
-+ char pkt;
+};
+
+#endif /* _IPT_LAYER7_H */
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_core.c linux-2.6.19.dev/net/ipv4/netfilter/ip_conntrack_core.c
---- linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_core.c 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/ip_conntrack_core.c 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/net/ipv4/netfilter/ip_conntrack_core.c linux.dev/net/ipv4/netfilter/ip_conntrack_core.c
+--- linux.old/net/ipv4/netfilter/ip_conntrack_core.c 2007-01-01 05:17:07.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/ip_conntrack_core.c 2007-01-01 05:18:48.000000000 +0100
@@ -337,6 +337,13 @@
* too. */
ip_ct_remove_expectations(ct);
@@ -65,9 +64,9 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_core.c linux-2.6.19.d
/* We overload first tuple to link into unconfirmed list. */
if (!is_confirmed(ct)) {
BUG_ON(list_empty(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list));
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux-2.6.19.dev/net/ipv4/netfilter/ip_conntrack_standalone.c
---- linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_standalone.c 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/ip_conntrack_standalone.c 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux.dev/net/ipv4/netfilter/ip_conntrack_standalone.c
+--- linux.old/net/ipv4/netfilter/ip_conntrack_standalone.c 2007-01-01 05:17:07.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/ip_conntrack_standalone.c 2007-01-01 05:18:48.000000000 +0100
@@ -192,6 +192,12 @@
return -ENOSPC;
#endif
@@ -81,17 +80,16 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux-2.
if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
return -ENOSPC;
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/ipv4/netfilter/ipt_layer7.c
---- linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/ipt_layer7.c 2006-12-14 03:13:37.000000000 +0100
-@@ -0,0 +1,586 @@
+diff -urN linux.old/net/ipv4/netfilter/ipt_layer7.c linux.dev/net/ipv4/netfilter/ipt_layer7.c
+--- linux.old/net/ipv4/netfilter/ipt_layer7.c 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/ipt_layer7.c 2007-01-01 05:18:48.000000000 +0100
+@@ -0,0 +1,573 @@
+/*
-+ Kernel module to match application layer (OSI layer 7)
-+ data in connections.
++ Kernel module to match application layer (OSI layer 7) data in connections.
+
+ http://l7-filter.sf.net
+
-+ By Matthew Strait and Ethan Sommer, 2003-2005.
++ By Matthew Strait and Ethan Sommer, 2003-2006.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
@@ -156,9 +154,9 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+- It doesn't matter if two packets from different connections are in here at
+ the same time, because they don't share any data.
+
-+- It _does_ matter if two packets from the same connection are here at the same
-+ time. In this case, we have to protect the conntracks and the list of
-+ compiled patterns.
++- It _does_ matter if two packets from the same connection (or one from a
++ master and one from its child) are here at the same time. In this case,
++ we have to protect the conntracks and the list of compiled patterns.
+*/
+DEFINE_RWLOCK(ct_lock);
+DEFINE_SPINLOCK(list_lock);
@@ -337,9 +335,8 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ if(!master_conntrack->layer7.app_proto) {
+ char * f = friendly_print(master_conntrack->layer7.app_data);
+ char * g = hex_print(master_conntrack->layer7.app_data);
-+ DPRINTK("\nl7-filter gave up after %d bytes (%llu packets):\n%s\n",
-+ strlen(f),
-+ TOTAL_PACKETS, f);
++ DPRINTK("\nl7-filter gave up after %d bytes (%d packets):\n%s\n",
++ strlen(f), TOTAL_PACKETS, f);
+ kfree(f);
+ DPRINTK("In hex: %s\n", g);
+ kfree(g);
@@ -385,50 +382,52 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ }
+}
+
-+static int add_datastr(char *target, int offset, char *app_data, int len)
++/* add the new app data to the conntrack. Return number of bytes added. */
++static int add_data(struct ip_conntrack * master_conntrack,
++ char * app_data, int appdatalen)
+{
+ int length = 0, i;
++ int oldlength = master_conntrack->layer7.app_data_len;
++
++ // This is a fix for a race condition by Deti Fliegl. However, I'm not
++ // clear on whether the race condition exists or whether this really
++ // fixes it. I might just be being dense... Anyway, if it's not really
++ // a fix, all it does is waste a very small amount of time.
++ if(!master_conntrack->layer7.app_data) return 0;
+
+ /* Strip nulls. Make everything lower case (our regex lib doesn't
+ do case insensitivity). Add it to the end of the current data. */
-+ for(i = 0; i < maxdatalen-offset-1 && i < len; i++) {
++ for(i = 0; i < maxdatalen-oldlength-1 &&
++ i < appdatalen; i++) {
+ if(app_data[i] != '\0') {
-+ target[length+offset] =
++ master_conntrack->layer7.app_data[length+oldlength] =
+ /* the kernel version of tolower mungs 'upper ascii' */
+ isascii(app_data[i])? tolower(app_data[i]) : app_data[i];
+ length++;
+ }
+ }
-+ target[length+offset] = '\0';
-+
-+ return length;
-+}
+
-+/* add the new app data to the conntrack. Return number of bytes added. */
-+static int add_data(struct ip_conntrack * master_conntrack,
-+ char * app_data, int appdatalen)
-+{
-+ int length;
-+
-+ length = add_datastr(master_conntrack->layer7.app_data, master_conntrack->layer7.app_data_len, app_data, appdatalen);
-+ master_conntrack->layer7.app_data_len += length;
++ master_conntrack->layer7.app_data[length+oldlength] = '\0';
++ master_conntrack->layer7.app_data_len = length + oldlength;
+
+ return length;
+}
+
+/* Returns true on match and false otherwise. */
-+static int match(const struct sk_buff *skb_t, const struct net_device *in,
-+ const struct net_device *out, const struct xt_match *match,
-+ const void *matchinfo, int offset,
-+ unsigned int protoff, int *hotdrop)
++static int match(const struct sk_buff *skbin,
++ const struct net_device *in, const struct net_device *out,
++ const struct xt_match *match, const void *matchinfo,
++ int offset, unsigned int protoff, int *hotdrop)
+{
++ /* sidestep const without getting a compiler warning... */
++ struct sk_buff * skb = (struct sk_buff *)skbin;
++
+ struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo;
+ enum ip_conntrack_info master_ctinfo, ctinfo;
+ struct ip_conntrack *master_conntrack, *conntrack;
-+ unsigned char *app_data, *tmp_data;
++ unsigned char * app_data;
+ unsigned int pattern_result, appdatalen;
+ regexp * comppattern;
-+ struct sk_buff *skb = skb_t; /* to leave warning - FIXME */
+
+ if(!can_handle(skb)){
+ DPRINTK("layer7: This is some protocol I can't handle.\n");
@@ -449,8 +448,8 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ master_conntrack = master_ct(master_conntrack);
+
+ /* if we've classified it or seen too many packets */
-+ if(!info->pkt && (TOTAL_PACKETS > num_packets ||
-+ master_conntrack->layer7.app_proto)) {
++ if(TOTAL_PACKETS > num_packets ||
++ master_conntrack->layer7.app_proto) {
+
+ pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info);
+
@@ -481,23 +480,6 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ comppattern = compile_and_cache(info->pattern, info->protocol);
+ spin_unlock_bh(&list_lock);
+
-+ if (info->pkt) {
-+ tmp_data = kmalloc(maxdatalen, GFP_ATOMIC);
-+ if(!tmp_data){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in match, bailing.\n");
-+ return info->invert;
-+ }
-+
-+ tmp_data[0] = '\0';
-+ add_datastr(tmp_data, 0, app_data, appdatalen);
-+ pattern_result = ((comppattern && regexec(comppattern, tmp_data)) ? 1 : 0);
-+ kfree(tmp_data);
-+ tmp_data = NULL;
-+
-+ return (pattern_result ^ info->invert);
-+ }
-+
+ /* On the first packet of a connection, allocate space for app data */
+ write_lock(&ct_lock);
+ if(TOTAL_PACKETS == 1 && !skb->cb[0] && !master_conntrack->layer7.app_data) {
@@ -533,6 +515,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+
+ /* If looking for "unknown", then never match. "Unknown" means that
+ we've given up; we're still trying with these packets. */
++ read_lock(&ct_lock);
+ if(!strcmp(info->protocol, "unknown")) {
+ pattern_result = 0;
+ /* If the regexp failed to compile, don't bother running it */
@@ -540,6 +523,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ DPRINTK("layer7: matched %s\n", info->protocol);
+ pattern_result = 1;
+ } else pattern_result = 0;
++ read_unlock(&ct_lock);
+
+ if(pattern_result) {
+ write_lock(&ct_lock);
@@ -563,7 +547,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+static struct ipt_match layer7_match = {
+ .name = "layer7",
+ .match = &match,
-+ .matchsize = sizeof(struct ipt_layer7_info),
++ .matchsize = sizeof(struct ipt_layer7_info),
+ .me = THIS_MODULE
+};
+
@@ -647,8 +631,10 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ remove_proc_entry("layer7_numpackets", proc_net);
+}
+
-+static int __init init(void)
++static int __init ipt_layer7_init(void)
+{
++ need_conntrack();
++
+ layer7_init_proc();
+ if(maxdatalen < 1) {
+ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, using 1\n");
@@ -663,20 +649,20 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.19.dev/net/
+ return ipt_register_match(&layer7_match);
+}
+
-+static void __exit fini(void)
++static void __exit ipt_layer7_fini(void)
+{
+ layer7_cleanup_proc();
+ ipt_unregister_match(&layer7_match);
+}
+
-+module_init(init);
-+module_exit(fini);
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/Kconfig linux-2.6.19.dev/net/ipv4/netfilter/Kconfig
---- linux-2.6.19.old/net/ipv4/netfilter/Kconfig 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/Kconfig 2006-12-14 03:13:37.000000000 +0100
-@@ -329,6 +329,24 @@
- destination IP' or `500pps from any given source IP' with a single
- IPtables rule.
++module_init(ipt_layer7_init);
++module_exit(ipt_layer7_fini);
+diff -urN linux.old/net/ipv4/netfilter/Kconfig linux.dev/net/ipv4/netfilter/Kconfig
+--- linux.old/net/ipv4/netfilter/Kconfig 2007-01-01 05:17:07.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/Kconfig 2007-01-01 05:18:48.000000000 +0100
+@@ -248,6 +248,24 @@
+
+ To compile it as a module, choose M here. If unsure, say N.
+config IP_NF_MATCH_LAYER7
+ tristate "Layer 7 match support (EXPERIMENTAL)"
@@ -696,12 +682,12 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/Kconfig linux-2.6.19.dev/net/ipv4/
+ help
+ Say Y to get lots of debugging output.
+
- # `filter', generic and specific targets
- config IP_NF_FILTER
- tristate "Packet filtering"
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/Makefile linux-2.6.19.dev/net/ipv4/netfilter/Makefile
---- linux-2.6.19.old/net/ipv4/netfilter/Makefile 2006-11-29 22:57:37.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/Makefile 2006-12-14 03:13:37.000000000 +0100
+ config IP_NF_MATCH_TOS
+ tristate "TOS match support"
+ depends on IP_NF_IPTABLES
+diff -urN linux.old/net/ipv4/netfilter/Makefile linux.dev/net/ipv4/netfilter/Makefile
+--- linux.old/net/ipv4/netfilter/Makefile 2007-01-01 05:17:07.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/Makefile 2007-01-01 05:18:48.000000000 +0100
@@ -63,6 +63,8 @@
obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
@@ -711,10 +697,10 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/Makefile linux-2.6.19.dev/net/ipv4
# targets
obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/net/ipv4/netfilter/regexp/regexp.c
---- linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/regexp/regexp.c 2006-12-14 03:13:37.000000000 +0100
-@@ -0,0 +1,1195 @@
+diff -urN linux.old/net/ipv4/netfilter/regexp/regexp.c linux.dev/net/ipv4/netfilter/regexp/regexp.c
+--- linux.old/net/ipv4/netfilter/regexp/regexp.c 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/regexp/regexp.c 2007-01-01 05:18:48.000000000 +0100
+@@ -0,0 +1,1197 @@
+/*
+ * regcomp and regexec -- regsub and regerror are elsewhere
+ * @(#)regexp.c 1.3 of 18 April 87
@@ -881,11 +867,17 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+/*
+ * Global work variables for regcomp().
+ */
-+static char *regparse; /* Input-scan pointer. */
-+static int regnpar; /* () count. */
-+static char regdummy;
-+static char *regcode; /* Code-emit pointer; &regdummy = don't. */
-+static long regsize; /* Code size. */
++struct match_globals {
++char *reginput; /* String-input pointer. */
++char *regbol; /* Beginning of input, for ^ check. */
++char **regstartp; /* Pointer to startp array. */
++char **regendp; /* Ditto for endp. */
++char *regparse; /* Input-scan pointer. */
++int regnpar; /* () count. */
++char regdummy;
++char *regcode; /* Code-emit pointer; &regdummy = don't. */
++long regsize; /* Code size. */
++};
+
+/*
+ * Forward declarations for regcomp()'s friends.
@@ -893,16 +885,16 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+#ifndef STATIC
+#define STATIC static
+#endif
-+STATIC char *reg(int paren,int *flagp);
-+STATIC char *regbranch(int *flagp);
-+STATIC char *regpiece(int *flagp);
-+STATIC char *regatom(int *flagp);
-+STATIC char *regnode(char op);
-+STATIC char *regnext(char *p);
-+STATIC void regc(char b);
-+STATIC void reginsert(char op, char *opnd);
-+STATIC void regtail(char *p, char *val);
-+STATIC void regoptail(char *p, char *val);
++STATIC char *reg(struct match_globals *g, int paren,int *flagp);
++STATIC char *regbranch(struct match_globals *g, int *flagp);
++STATIC char *regpiece(struct match_globals *g, int *flagp);
++STATIC char *regatom(struct match_globals *g, int *flagp);
++STATIC char *regnode(struct match_globals *g, char op);
++STATIC char *regnext(struct match_globals *g, char *p);
++STATIC void regc(struct match_globals *g, char b);
++STATIC void reginsert(struct match_globals *g, char op, char *opnd);
++STATIC void regtail(struct match_globals *g, char *p, char *val);
++STATIC void regoptail(struct match_globals *g, char *p, char *val);
+
+
+__kernel_size_t my_strcspn(const char *s1,const char *s2)
@@ -944,6 +936,8 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ register char *longest;
+ register int len;
+ int flags;
++ struct match_globals g;
++
+ /* commented out by ethan
+ extern char *malloc();
+ */
@@ -952,30 +946,30 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ FAIL("NULL argument");
+
+ /* First pass: determine size, legality. */
-+ regparse = exp;
-+ regnpar = 1;
-+ regsize = 0L;
-+ regcode = &regdummy;
-+ regc(MAGIC);
-+ if (reg(0, &flags) == NULL)
++ g.regparse = exp;
++ g.regnpar = 1;
++ g.regsize = 0L;
++ g.regcode = &g.regdummy;
++ regc(&g, MAGIC);
++ if (reg(&g, 0, &flags) == NULL)
+ return(NULL);
+
+ /* Small enough for pointer-storage convention? */
-+ if (regsize >= 32767L) /* Probably could be 65535L. */
++ if (g.regsize >= 32767L) /* Probably could be 65535L. */
+ FAIL("regexp too big");
+
+ /* Allocate space. */
-+ *patternsize=sizeof(regexp) + (unsigned)regsize;
-+ r = (regexp *)malloc(sizeof(regexp) + (unsigned)regsize);
++ *patternsize=sizeof(regexp) + (unsigned)g.regsize;
++ r = (regexp *)malloc(sizeof(regexp) + (unsigned)g.regsize);
+ if (r == NULL)
+ FAIL("out of space");
+
+ /* Second pass: emit code. */
-+ regparse = exp;
-+ regnpar = 1;
-+ regcode = r->program;
-+ regc(MAGIC);
-+ if (reg(0, &flags) == NULL)
++ g.regparse = exp;
++ g.regnpar = 1;
++ g.regcode = r->program;
++ regc(&g, MAGIC);
++ if (reg(&g, 0, &flags) == NULL)
+ return(NULL);
+
+ /* Dig out information for optimizations. */
@@ -984,7 +978,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ r->regmust = NULL;
+ r->regmlen = 0;
+ scan = r->program+1; /* First BRANCH. */
-+ if (OP(regnext(scan)) == END) { /* Only one top-level choice. */
++ if (OP(regnext(&g, scan)) == END) { /* Only one top-level choice. */
+ scan = OPERAND(scan);
+
+ /* Starting-point info. */
@@ -1004,7 +998,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ if (flags&SPSTART) {
+ longest = NULL;
+ len = 0;
-+ for (; scan != NULL; scan = regnext(scan))
++ for (; scan != NULL; scan = regnext(&g, scan))
+ if (OP(scan) == EXACTLY && strlen(OPERAND(scan)) >= len) {
+ longest = OPERAND(scan);
+ len = strlen(OPERAND(scan));
@@ -1027,7 +1021,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * follows makes it hard to avoid.
+ */
+static char *
-+reg(int paren, int *flagp /* Parenthesized? */ )
++reg(struct match_globals *g, int paren, int *flagp /* Parenthesized? */ )
+{
+ register char *ret;
+ register char *br;
@@ -1039,49 +1033,49 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+
+ /* Make an OPEN node, if parenthesized. */
+ if (paren) {
-+ if (regnpar >= NSUBEXP)
++ if (g->regnpar >= NSUBEXP)
+ FAIL("too many ()");
-+ parno = regnpar;
-+ regnpar++;
-+ ret = regnode(OPEN+parno);
++ parno = g->regnpar;
++ g->regnpar++;
++ ret = regnode(g, OPEN+parno);
+ } else
+ ret = NULL;
+
+ /* Pick up the branches, linking them together. */
-+ br = regbranch(&flags);
++ br = regbranch(g, &flags);
+ if (br == NULL)
+ return(NULL);
+ if (ret != NULL)
-+ regtail(ret, br); /* OPEN -> first. */
++ regtail(g, ret, br); /* OPEN -> first. */
+ else
+ ret = br;
+ if (!(flags&HASWIDTH))
+ *flagp &= ~HASWIDTH;
+ *flagp |= flags&SPSTART;
-+ while (*regparse == '|') {
-+ regparse++;
-+ br = regbranch(&flags);
++ while (*g->regparse == '|') {
++ g->regparse++;
++ br = regbranch(g, &flags);
+ if (br == NULL)
+ return(NULL);
-+ regtail(ret, br); /* BRANCH -> BRANCH. */
++ regtail(g, ret, br); /* BRANCH -> BRANCH. */
+ if (!(flags&HASWIDTH))
+ *flagp &= ~HASWIDTH;
+ *flagp |= flags&SPSTART;
+ }
+
+ /* Make a closing node, and hook it on the end. */
-+ ender = regnode((paren) ? CLOSE+parno : END);
-+ regtail(ret, ender);
++ ender = regnode(g, (paren) ? CLOSE+parno : END);
++ regtail(g, ret, ender);
+
+ /* Hook the tails of the branches to the closing node. */
-+ for (br = ret; br != NULL; br = regnext(br))
-+ regoptail(br, ender);
++ for (br = ret; br != NULL; br = regnext(g, br))
++ regoptail(g, br, ender);
+
+ /* Check for proper termination. */
-+ if (paren && *regparse++ != ')') {
++ if (paren && *g->regparse++ != ')') {
+ FAIL("unmatched ()");
-+ } else if (!paren && *regparse != '\0') {
-+ if (*regparse == ')') {
++ } else if (!paren && *g->regparse != '\0') {
++ if (*g->regparse == ')') {
+ FAIL("unmatched ()");
+ } else
+ FAIL("junk on end"); /* "Can't happen". */
@@ -1097,7 +1091,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * Implements the concatenation operator.
+ */
+static char *
-+regbranch(int *flagp)
++regbranch(struct match_globals *g, int *flagp)
+{
+ register char *ret;
+ register char *chain;
@@ -1106,21 +1100,21 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+
+ *flagp = WORST; /* Tentatively. */
+
-+ ret = regnode(BRANCH);
++ ret = regnode(g, BRANCH);
+ chain = NULL;
-+ while (*regparse != '\0' && *regparse != '|' && *regparse != ')') {
-+ latest = regpiece(&flags);
++ while (*g->regparse != '\0' && *g->regparse != '|' && *g->regparse != ')') {
++ latest = regpiece(g, &flags);
+ if (latest == NULL)
+ return(NULL);
+ *flagp |= flags&HASWIDTH;
+ if (chain == NULL) /* First piece. */
+ *flagp |= flags&SPSTART;
+ else
-+ regtail(chain, latest);
++ regtail(g, chain, latest);
+ chain = latest;
+ }
+ if (chain == NULL) /* Loop ran zero times. */
-+ (void) regnode(NOTHING);
++ (void) regnode(g, NOTHING);
+
+ return(ret);
+}
@@ -1135,18 +1129,18 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * endmarker role is not redundant.
+ */
+static char *
-+regpiece(int *flagp)
++regpiece(struct match_globals *g, int *flagp)
+{
+ register char *ret;
+ register char op;
+ register char *next;
+ int flags;
+
-+ ret = regatom(&flags);
++ ret = regatom(g, &flags);
+ if (ret == NULL)
+ return(NULL);
+
-+ op = *regparse;
++ op = *g->regparse;
+ if (!ISMULT(op)) {
+ *flagp = flags;
+ return(ret);
@@ -1157,33 +1151,33 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ *flagp = (op != '+') ? (WORST|SPSTART) : (WORST|HASWIDTH);
+
+ if (op == '*' && (flags&SIMPLE))
-+ reginsert(STAR, ret);
++ reginsert(g, STAR, ret);
+ else if (op == '*') {
+ /* Emit x* as (x&|), where & means "self". */
-+ reginsert(BRANCH, ret); /* Either x */
-+ regoptail(ret, regnode(BACK)); /* and loop */
-+ regoptail(ret, ret); /* back */
-+ regtail(ret, regnode(BRANCH)); /* or */
-+ regtail(ret, regnode(NOTHING)); /* null. */
++ reginsert(g, BRANCH, ret); /* Either x */
++ regoptail(g, ret, regnode(g, BACK)); /* and loop */
++ regoptail(g, ret, ret); /* back */
++ regtail(g, ret, regnode(g, BRANCH)); /* or */
++ regtail(g, ret, regnode(g, NOTHING)); /* null. */
+ } else if (op == '+' && (flags&SIMPLE))
-+ reginsert(PLUS, ret);
++ reginsert(g, PLUS, ret);
+ else if (op == '+') {
+ /* Emit x+ as x(&|), where & means "self". */
-+ next = regnode(BRANCH); /* Either */
-+ regtail(ret, next);
-+ regtail(regnode(BACK), ret); /* loop back */
-+ regtail(next, regnode(BRANCH)); /* or */
-+ regtail(ret, regnode(NOTHING)); /* null. */
++ next = regnode(g, BRANCH); /* Either */
++ regtail(g, ret, next);
++ regtail(g, regnode(g, BACK), ret); /* loop back */
++ regtail(g, next, regnode(g, BRANCH)); /* or */
++ regtail(g, ret, regnode(g, NOTHING)); /* null. */
+ } else if (op == '?') {
+ /* Emit x? as (x|) */
-+ reginsert(BRANCH, ret); /* Either x */
-+ regtail(ret, regnode(BRANCH)); /* or */
-+ next = regnode(NOTHING); /* null. */
-+ regtail(ret, next);
-+ regoptail(ret, next);
++ reginsert(g, BRANCH, ret); /* Either x */
++ regtail(g, ret, regnode(g, BRANCH)); /* or */
++ next = regnode(g, NOTHING); /* null. */
++ regtail(g, ret, next);
++ regoptail(g, ret, next);
+ }
-+ regparse++;
-+ if (ISMULT(*regparse))
++ g->regparse++;
++ if (ISMULT(*g->regparse))
+ FAIL("nested *?+");
+
+ return(ret);
@@ -1198,61 +1192,61 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * separate node; the code is simpler that way and it's not worth fixing.
+ */
+static char *
-+regatom(int *flagp)
++regatom(struct match_globals *g, int *flagp)
+{
+ register char *ret;
+ int flags;
+
+ *flagp = WORST; /* Tentatively. */
+
-+ switch (*regparse++) {
++ switch (*g->regparse++) {
+ case '^':
-+ ret = regnode(BOL);
++ ret = regnode(g, BOL);
+ break;
+ case '$':
-+ ret = regnode(EOL);
++ ret = regnode(g, EOL);
+ break;
+ case '.':
-+ ret = regnode(ANY);
++ ret = regnode(g, ANY);
+ *flagp |= HASWIDTH|SIMPLE;
+ break;
+ case '[': {
+ register int class;
+ register int classend;
+
-+ if (*regparse == '^') { /* Complement of range. */
-+ ret = regnode(ANYBUT);
-+ regparse++;
++ if (*g->regparse == '^') { /* Complement of range. */
++ ret = regnode(g, ANYBUT);
++ g->regparse++;
+ } else
-+ ret = regnode(ANYOF);
-+ if (*regparse == ']' || *regparse == '-')
-+ regc(*regparse++);
-+ while (*regparse != '\0' && *regparse != ']') {
-+ if (*regparse == '-') {
-+ regparse++;
-+ if (*regparse == ']' || *regparse == '\0')
-+ regc('-');
++ ret = regnode(g, ANYOF);
++ if (*g->regparse == ']' || *g->regparse == '-')
++ regc(g, *g->regparse++);
++ while (*g->regparse != '\0' && *g->regparse != ']') {
++ if (*g->regparse == '-') {
++ g->regparse++;
++ if (*g->regparse == ']' || *g->regparse == '\0')
++ regc(g, '-');
+ else {
-+ class = UCHARAT(regparse-2)+1;
-+ classend = UCHARAT(regparse);
++ class = UCHARAT(g->regparse-2)+1;
++ classend = UCHARAT(g->regparse);
+ if (class > classend+1)
+ FAIL("invalid [] range");
+ for (; class <= classend; class++)
-+ regc(class);
-+ regparse++;
++ regc(g, class);
++ g->regparse++;
+ }
+ } else
-+ regc(*regparse++);
++ regc(g, *g->regparse++);
+ }
-+ regc('\0');
-+ if (*regparse != ']')
++ regc(g, '\0');
++ if (*g->regparse != ']')
+ FAIL("unmatched []");
-+ regparse++;
++ g->regparse++;
+ *flagp |= HASWIDTH|SIMPLE;
+ }
+ break;
+ case '(':
-+ ret = reg(1, &flags);
++ ret = reg(g, 1, &flags);
+ if (ret == NULL)
+ return(NULL);
+ *flagp |= flags&(HASWIDTH|SPSTART);
@@ -1268,33 +1262,33 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ FAIL("?+* follows nothing");
+ break;
+ case '\\':
-+ if (*regparse == '\0')
++ if (*g->regparse == '\0')
+ FAIL("trailing \\");
-+ ret = regnode(EXACTLY);
-+ regc(*regparse++);
-+ regc('\0');
++ ret = regnode(g, EXACTLY);
++ regc(g, *g->regparse++);
++ regc(g, '\0');
+ *flagp |= HASWIDTH|SIMPLE;
+ break;
+ default: {
+ register int len;
+ register char ender;
+
-+ regparse--;
-+ len = my_strcspn((const char *)regparse, (const char *)META);
++ g->regparse--;
++ len = my_strcspn((const char *)g->regparse, (const char *)META);
+ if (len <= 0)
+ FAIL("internal disaster");
-+ ender = *(regparse+len);
++ ender = *(g->regparse+len);
+ if (len > 1 && ISMULT(ender))
+ len--; /* Back off clear of ?+* operand. */
+ *flagp |= HASWIDTH;
+ if (len == 1)
+ *flagp |= SIMPLE;
-+ ret = regnode(EXACTLY);
++ ret = regnode(g, EXACTLY);
+ while (len > 0) {
-+ regc(*regparse++);
++ regc(g, *g->regparse++);
+ len--;
+ }
-+ regc('\0');
++ regc(g, '\0');
+ }
+ break;
+ }
@@ -1306,14 +1300,14 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regnode - emit a node
+ */
+static char * /* Location. */
-+regnode(char op)
++regnode(struct match_globals *g, char op)
+{
+ register char *ret;
+ register char *ptr;
+
-+ ret = regcode;
-+ if (ret == &regdummy) {
-+ regsize += 3;
++ ret = g->regcode;
++ if (ret == &g->regdummy) {
++ g->regsize += 3;
+ return(ret);
+ }
+
@@ -1321,7 +1315,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ *ptr++ = op;
+ *ptr++ = '\0'; /* Null "next" pointer. */
+ *ptr++ = '\0';
-+ regcode = ptr;
++ g->regcode = ptr;
+
+ return(ret);
+}
@@ -1330,12 +1324,12 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regc - emit (if appropriate) a byte of code
+ */
+static void
-+regc(char b)
++regc(struct match_globals *g, char b)
+{
-+ if (regcode != &regdummy)
-+ *regcode++ = b;
++ if (g->regcode != &g->regdummy)
++ *g->regcode++ = b;
+ else
-+ regsize++;
++ g->regsize++;
+}
+
+/*
@@ -1344,20 +1338,20 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * Means relocating the operand.
+ */
+static void
-+reginsert(char op, char* opnd)
++reginsert(struct match_globals *g, char op, char* opnd)
+{
+ register char *src;
+ register char *dst;
+ register char *place;
+
-+ if (regcode == &regdummy) {
-+ regsize += 3;
++ if (g->regcode == &g->regdummy) {
++ g->regsize += 3;
+ return;
+ }
+
-+ src = regcode;
-+ regcode += 3;
-+ dst = regcode;
++ src = g->regcode;
++ g->regcode += 3;
++ dst = g->regcode;
+ while (src > opnd)
+ *--dst = *--src;
+
@@ -1371,19 +1365,19 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regtail - set the next-pointer at the end of a node chain
+ */
+static void
-+regtail(char *p, char *val)
++regtail(struct match_globals *g, char *p, char *val)
+{
+ register char *scan;
+ register char *temp;
+ register int offset;
+
-+ if (p == &regdummy)
++ if (p == &g->regdummy)
+ return;
+
+ /* Find last node. */
+ scan = p;
+ for (;;) {
-+ temp = regnext(scan);
++ temp = regnext(g, scan);
+ if (temp == NULL)
+ break;
+ scan = temp;
@@ -1401,32 +1395,25 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regoptail - regtail on operand of first argument; nop if operandless
+ */
+static void
-+regoptail(char *p, char *val)
++regoptail(struct match_globals *g, char *p, char *val)
+{
+ /* "Operandless" and "op != BRANCH" are synonymous in practice. */
-+ if (p == NULL || p == &regdummy || OP(p) != BRANCH)
++ if (p == NULL || p == &g->regdummy || OP(p) != BRANCH)
+ return;
-+ regtail(OPERAND(p), val);
++ regtail(g, OPERAND(p), val);
+}
+
+/*
+ * regexec and friends
+ */
+
-+/*
-+ * Global work variables for regexec().
-+ */
-+static char *reginput; /* String-input pointer. */
-+static char *regbol; /* Beginning of input, for ^ check. */
-+static char **regstartp; /* Pointer to startp array. */
-+static char **regendp; /* Ditto for endp. */
+
+/*
+ * Forwards.
+ */
-+STATIC int regtry(regexp *prog, char *string);
-+STATIC int regmatch(char *prog);
-+STATIC int regrepeat(char *p);
++STATIC int regtry(struct match_globals *g, regexp *prog, char *string);
++STATIC int regmatch(struct match_globals *g, char *prog);
++STATIC int regrepeat(struct match_globals *g, char *p);
+
+#ifdef DEBUG
+int regnarrate = 0;
@@ -1441,6 +1428,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+regexec(regexp *prog, char *string)
+{
+ register char *s;
++ struct match_globals g;
+
+ /* Be paranoid... */
+ if (prog == NULL || string == NULL) {
@@ -1467,25 +1455,25 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ }
+
+ /* Mark beginning of line for ^ . */
-+ regbol = string;
++ g.regbol = string;
+
+ /* Simplest case: anchored match need be tried only once. */
+ if (prog->reganch)
-+ return(regtry(prog, string));
++ return(regtry(&g, prog, string));
+
+ /* Messy cases: unanchored match. */
+ s = string;
+ if (prog->regstart != '\0')
+ /* We know what char it must start with. */
+ while ((s = strchr(s, prog->regstart)) != NULL) {
-+ if (regtry(prog, s))
++ if (regtry(&g, prog, s))
+ return(1);
+ s++;
+ }
+ else
+ /* We don't -- general case. */
+ do {
-+ if (regtry(prog, s))
++ if (regtry(&g, prog, s))
+ return(1);
+ } while (*s++ != '\0');
+
@@ -1497,15 +1485,15 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regtry - try match at specific point
+ */
+static int /* 0 failure, 1 success */
-+regtry(regexp *prog, char *string)
++regtry(struct match_globals *g, regexp *prog, char *string)
+{
+ register int i;
+ register char **sp;
+ register char **ep;
+
-+ reginput = string;
-+ regstartp = prog->startp;
-+ regendp = prog->endp;
++ g->reginput = string;
++ g->regstartp = prog->startp;
++ g->regendp = prog->endp;
+
+ sp = prog->startp;
+ ep = prog->endp;
@@ -1513,9 +1501,9 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ *sp++ = NULL;
+ *ep++ = NULL;
+ }
-+ if (regmatch(prog->program + 1)) {
++ if (regmatch(g, prog->program + 1)) {
+ prog->startp[0] = string;
-+ prog->endp[0] = reginput;
++ prog->endp[0] = g->reginput;
+ return(1);
+ } else
+ return(0);
@@ -1532,7 +1520,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ * by recursion.
+ */
+static int /* 0 failure, 1 success */
-+regmatch(char *prog)
++regmatch(struct match_globals *g, char *prog)
+{
+ register char *scan = prog; /* Current node. */
+ char *next; /* Next node. */
@@ -1546,21 +1534,21 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ if (regnarrate)
+ fprintf(stderr, "%s...\n", regprop(scan));
+#endif
-+ next = regnext(scan);
++ next = regnext(g, scan);
+
+ switch (OP(scan)) {
+ case BOL:
-+ if (reginput != regbol)
++ if (g->reginput != g->regbol)
+ return(0);
+ break;
+ case EOL:
-+ if (*reginput != '\0')
++ if (*g->reginput != '\0')
+ return(0);
+ break;
+ case ANY:
-+ if (*reginput == '\0')
++ if (*g->reginput == '\0')
+ return(0);
-+ reginput++;
++ g->reginput++;
+ break;
+ case EXACTLY: {
+ register int len;
@@ -1568,23 +1556,23 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+
+ opnd = OPERAND(scan);
+ /* Inline the first character, for speed. */
-+ if (*opnd != *reginput)
++ if (*opnd != *g->reginput)
+ return(0);
+ len = strlen(opnd);
-+ if (len > 1 && strncmp(opnd, reginput, len) != 0)
++ if (len > 1 && strncmp(opnd, g->reginput, len) != 0)
+ return(0);
-+ reginput += len;
++ g->reginput += len;
+ }
+ break;
+ case ANYOF:
-+ if (*reginput == '\0' || strchr(OPERAND(scan), *reginput) == NULL)
++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) == NULL)
+ return(0);
-+ reginput++;
++ g->reginput++;
+ break;
+ case ANYBUT:
-+ if (*reginput == '\0' || strchr(OPERAND(scan), *reginput) != NULL)
++ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) != NULL)
+ return(0);
-+ reginput++;
++ g->reginput++;
+ break;
+ case NOTHING:
+ case BACK:
@@ -1602,16 +1590,16 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ register char *save;
+
+ no = OP(scan) - OPEN;
-+ save = reginput;
++ save = g->reginput;
+
-+ if (regmatch(next)) {
++ if (regmatch(g, next)) {
+ /*
+ * Don't set startp if some later
+ * invocation of the same parentheses
+ * already has.
+ */
-+ if (regstartp[no] == NULL)
-+ regstartp[no] = save;
++ if (g->regstartp[no] == NULL)
++ g->regstartp[no] = save;
+ return(1);
+ } else
+ return(0);
@@ -1631,16 +1619,16 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ register char *save;
+
+ no = OP(scan) - CLOSE;
-+ save = reginput;
++ save = g->reginput;
+
-+ if (regmatch(next)) {
++ if (regmatch(g, next)) {
+ /*
+ * Don't set endp if some later
+ * invocation of the same parentheses
+ * already has.
+ */
-+ if (regendp[no] == NULL)
-+ regendp[no] = save;
++ if (g->regendp[no] == NULL)
++ g->regendp[no] = save;
+ return(1);
+ } else
+ return(0);
@@ -1653,11 +1641,11 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ next = OPERAND(scan); /* Avoid recursion. */
+ else {
+ do {
-+ save = reginput;
-+ if (regmatch(OPERAND(scan)))
++ save = g->reginput;
++ if (regmatch(g, OPERAND(scan)))
+ return(1);
-+ reginput = save;
-+ scan = regnext(scan);
++ g->reginput = save;
++ scan = regnext(g, scan);
+ } while (scan != NULL && OP(scan) == BRANCH);
+ return(0);
+ /* NOTREACHED */
@@ -1679,16 +1667,16 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ if (OP(next) == EXACTLY)
+ nextch = *OPERAND(next);
+ min = (OP(scan) == STAR) ? 0 : 1;
-+ save = reginput;
-+ no = regrepeat(OPERAND(scan));
++ save = g->reginput;
++ no = regrepeat(g, OPERAND(scan));
+ while (no >= min) {
+ /* If it could work, try it. */
-+ if (nextch == '\0' || *reginput == nextch)
-+ if (regmatch(next))
++ if (nextch == '\0' || *g->reginput == nextch)
++ if (regmatch(g, next))
+ return(1);
+ /* Couldn't or didn't -- back up. */
+ no--;
-+ reginput = save + no;
++ g->reginput = save + no;
+ }
+ return(0);
+ }
@@ -1717,13 +1705,13 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regrepeat - repeatedly match something simple, report how many
+ */
+static int
-+regrepeat(char *p)
++regrepeat(struct match_globals *g, char *p)
+{
+ register int count = 0;
+ register char *scan;
+ register char *opnd;
+
-+ scan = reginput;
++ scan = g->reginput;
+ opnd = OPERAND(p);
+ switch (OP(p)) {
+ case ANY:
@@ -1753,7 +1741,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ count = 0; /* Best compromise. */
+ break;
+ }
-+ reginput = scan;
++ g->reginput = scan;
+
+ return(count);
+}
@@ -1762,11 +1750,11 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+ - regnext - dig the "next" pointer out of a node
+ */
+static char*
-+regnext(char *p)
++regnext(struct match_globals *g, char *p)
+{
+ register int offset;
+
-+ if (p == &regdummy)
++ if (p == &g->regdummy)
+ return(NULL);
+
+ offset = NEXT(p);
@@ -1910,9 +1898,9 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.19.dev/n
+#endif
+
+
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.19.dev/net/ipv4/netfilter/regexp/regexp.h
---- linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/regexp/regexp.h 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/net/ipv4/netfilter/regexp/regexp.h linux.dev/net/ipv4/netfilter/regexp/regexp.h
+--- linux.old/net/ipv4/netfilter/regexp/regexp.h 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/regexp/regexp.h 2007-01-01 05:18:48.000000000 +0100
@@ -0,0 +1,41 @@
+/*
+ * Definitions etc. for regexp(3) routines.
@@ -1955,18 +1943,18 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.19.dev/n
+void regerror(char *s);
+
+#endif
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regmagic.h linux-2.6.19.dev/net/ipv4/netfilter/regexp/regmagic.h
---- linux-2.6.19.old/net/ipv4/netfilter/regexp/regmagic.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/regexp/regmagic.h 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/net/ipv4/netfilter/regexp/regmagic.h linux.dev/net/ipv4/netfilter/regexp/regmagic.h
+--- linux.old/net/ipv4/netfilter/regexp/regmagic.h 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/regexp/regmagic.h 2007-01-01 05:18:48.000000000 +0100
@@ -0,0 +1,5 @@
+/*
+ * The first byte of the regexp internal "program" is actually this magic
+ * number; the start node begins in the second byte.
+ */
+#define MAGIC 0234
-diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.19.dev/net/ipv4/netfilter/regexp/regsub.c
---- linux-2.6.19.old/net/ipv4/netfilter/regexp/regsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.dev/net/ipv4/netfilter/regexp/regsub.c 2006-12-14 03:13:37.000000000 +0100
+diff -urN linux.old/net/ipv4/netfilter/regexp/regsub.c linux.dev/net/ipv4/netfilter/regexp/regsub.c
+--- linux.old/net/ipv4/netfilter/regexp/regsub.c 1970-01-01 01:00:00.000000000 +0100
++++ linux.dev/net/ipv4/netfilter/regexp/regsub.c 2007-01-01 05:18:48.000000000 +0100
@@ -0,0 +1,95 @@
+/*
+ * regsub
@@ -2024,7 +2012,7 @@ diff -urN linux-2.6.19.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.19.dev/n
+ register char c;
+ register int no;
+ register int len;
-+
++
+ /* Not necessary and gcc doesn't like it -MLS */
+ /*extern char *strncpy();*/
+
diff --git a/target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch b/target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch
new file mode 100644
index 0000000000..3d1e4819d6
--- /dev/null
+++ b/target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch
@@ -0,0 +1,108 @@
+diff -ur linux.dev/include/linux/netfilter_ipv4/ipt_layer7.h linux.dev2/include/linux/netfilter_ipv4/ipt_layer7.h
+--- linux.dev/include/linux/netfilter_ipv4/ipt_layer7.h 2007-01-01 05:18:48.000000000 +0100
++++ linux.dev2/include/linux/netfilter_ipv4/ipt_layer7.h 2007-01-01 05:30:46.000000000 +0100
+@@ -21,6 +21,7 @@
+ char protocol[MAX_PROTOCOL_LEN];
+ char invert:1;
+ char pattern[MAX_PATTERN_LEN];
++ char pkt;
+ };
+
+ #endif /* _IPT_LAYER7_H */
+diff -ur linux.dev/net/ipv4/netfilter/ipt_layer7.c linux.dev2/net/ipv4/netfilter/ipt_layer7.c
+--- linux.dev/net/ipv4/netfilter/ipt_layer7.c 2007-01-01 05:18:48.000000000 +0100
++++ linux.dev2/net/ipv4/netfilter/ipt_layer7.c 2007-01-01 05:30:46.000000000 +0100
+@@ -296,33 +296,34 @@
+ }
+ }
+
+-/* add the new app data to the conntrack. Return number of bytes added. */
+-static int add_data(struct ip_conntrack * master_conntrack,
+- char * app_data, int appdatalen)
++static int add_datastr(char *target, int offset, char *app_data, int len)
+ {
+ int length = 0, i;
+- int oldlength = master_conntrack->layer7.app_data_len;
+-
+- // This is a fix for a race condition by Deti Fliegl. However, I'm not
+- // clear on whether the race condition exists or whether this really
+- // fixes it. I might just be being dense... Anyway, if it's not really
+- // a fix, all it does is waste a very small amount of time.
+- if(!master_conntrack->layer7.app_data) return 0;
++ if(!target) return 0;
+
+ /* Strip nulls. Make everything lower case (our regex lib doesn't
+ do case insensitivity). Add it to the end of the current data. */
+- for(i = 0; i < maxdatalen-oldlength-1 &&
+- i < appdatalen; i++) {
++ for(i = 0; i < maxdatalen-offset-1 && i < len; i++) {
+ if(app_data[i] != '\0') {
+- master_conntrack->layer7.app_data[length+oldlength] =
++ target[length+offset] =
+ /* the kernel version of tolower mungs 'upper ascii' */
+ isascii(app_data[i])? tolower(app_data[i]) : app_data[i];
+ length++;
+ }
+ }
++ target[length+offset] = '\0';
+
+- master_conntrack->layer7.app_data[length+oldlength] = '\0';
+- master_conntrack->layer7.app_data_len = length + oldlength;
++ return length;
++}
++
++/* add the new app data to the conntrack. Return number of bytes added. */
++static int add_data(struct ip_conntrack * master_conntrack,
++ char * app_data, int appdatalen)
++{
++ int length;
++
++ length = add_datastr(master_conntrack->layer7.app_data, master_conntrack->layer7.app_data_len, app_data, appdatalen);
++ master_conntrack->layer7.app_data_len += length;
+
+ return length;
+ }
+@@ -339,7 +340,7 @@
+ struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo;
+ enum ip_conntrack_info master_ctinfo, ctinfo;
+ struct ip_conntrack *master_conntrack, *conntrack;
+- unsigned char * app_data;
++ unsigned char *app_data, *tmp_data;
+ unsigned int pattern_result, appdatalen;
+ regexp * comppattern;
+
+@@ -362,8 +363,8 @@
+ master_conntrack = master_ct(master_conntrack);
+
+ /* if we've classified it or seen too many packets */
+- if(TOTAL_PACKETS > num_packets ||
+- master_conntrack->layer7.app_proto) {
++ if(!info->pkt && (TOTAL_PACKETS > num_packets ||
++ master_conntrack->layer7.app_proto)) {
+
+ pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info);
+
+@@ -394,6 +395,23 @@
+ comppattern = compile_and_cache(info->pattern, info->protocol);
+ spin_unlock_bh(&list_lock);
+
++ if (info->pkt) {
++ tmp_data = kmalloc(maxdatalen, GFP_ATOMIC);
++ if(!tmp_data){
++ if (net_ratelimit())
++ printk(KERN_ERR "layer7: out of memory in match, bailing.\n");
++ return info->invert;
++ }
++
++ tmp_data[0] = '\0';
++ add_datastr(tmp_data, 0, app_data, appdatalen);
++ pattern_result = ((comppattern && regexec(comppattern, tmp_data)) ? 1 : 0);
++ kfree(tmp_data);
++ tmp_data = NULL;
++
++ return (pattern_result ^ info->invert);
++ }
++
+ /* On the first packet of a connection, allocate space for app data */
+ write_lock(&ct_lock);
+ if(TOTAL_PACKETS == 1 && !skb->cb[0] && !master_conntrack->layer7.app_data) {
diff --git a/target/linux/generic-2.6/patches/101-ipp2p_0.8.1rc1.patch b/target/linux/generic-2.6/patches/110-ipp2p_0.8.1rc1.patch
index e03f4d5676..e03f4d5676 100644
--- a/target/linux/generic-2.6/patches/101-ipp2p_0.8.1rc1.patch
+++ b/target/linux/generic-2.6/patches/110-ipp2p_0.8.1rc1.patch
diff --git a/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch b/target/linux/generic-2.6/patches/120-openswan-2.4.0.kernel-2.6-natt.patch
index 2b4238c688..2b4238c688 100644
--- a/target/linux/generic-2.6/patches/102-openswan-2.4.0.kernel-2.6-natt.patch
+++ b/target/linux/generic-2.6/patches/120-openswan-2.4.0.kernel-2.6-natt.patch
diff --git a/target/linux/generic-2.6/patches/103-netfilter-ipset.patch b/target/linux/generic-2.6/patches/130-netfilter-ipset.patch
index 8a35d8a6b4..8a35d8a6b4 100644
--- a/target/linux/generic-2.6/patches/103-netfilter-ipset.patch
+++ b/target/linux/generic-2.6/patches/130-netfilter-ipset.patch
diff --git a/target/linux/generic-2.6/patches/105-netfilter_time.patch b/target/linux/generic-2.6/patches/140-netfilter_time.patch
index d217157d78..d217157d78 100644
--- a/target/linux/generic-2.6/patches/105-netfilter_time.patch
+++ b/target/linux/generic-2.6/patches/140-netfilter_time.patch
diff --git a/target/linux/generic-2.6/patches/106-netfilter_imq.patch b/target/linux/generic-2.6/patches/150-netfilter_imq.patch
index 559d80fbc8..559d80fbc8 100644
--- a/target/linux/generic-2.6/patches/106-netfilter_imq.patch
+++ b/target/linux/generic-2.6/patches/150-netfilter_imq.patch
diff --git a/target/linux/generic-2.6/patches/108-netfilter_route.patch b/target/linux/generic-2.6/patches/160-netfilter_route.patch
index 7e8491c3e3..7e8491c3e3 100644
--- a/target/linux/generic-2.6/patches/108-netfilter_route.patch
+++ b/target/linux/generic-2.6/patches/160-netfilter_route.patch
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-27 06:40:27 +0000