diff options
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.9.patch (renamed from target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.8.patch) | 156 | ||||
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/101-netfilter_layer7_pktmatch.patch | 49 | ||||
| -rw-r--r-- | target/linux/generic-2.6/patches/100-netfilter_layer7_2.9.patch (renamed from target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch) | 156 | ||||
| -rw-r--r-- | target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch | 26 | 
4 files changed, 231 insertions, 156 deletions
| diff --git a/target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.8.patch b/target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.9.patch index caccaa7e5..0b16a3031 100644 --- a/target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.8.patch +++ b/target/linux/generic-2.6/patches-2.6.22/100-netfilter_layer7_2.9.patch @@ -1,6 +1,7 @@ -diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h ---- linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:13:52.648130120 +0200 +Index: linux-2.6.22-rc6/include/linux/netfilter_ipv4/ipt_layer7.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 03:43:29.440242750 +0200  @@ -0,0 +1,26 @@  +/*  +  By Matthew Strait <quadong@users.sf.net>, Dec 2003. @@ -28,9 +29,10 @@ diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6  +};  +  +#endif /* _IPT_LAYER7_H */ -diff -urN linux-2.6.21.1.old/net/netfilter/nf_conntrack_core.c linux-2.6.21.1.dev/net/netfilter/nf_conntrack_core.c ---- linux-2.6.21.1.old/net/netfilter/nf_conntrack_core.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/netfilter/nf_conntrack_core.c	2007-05-26 20:13:52.649129968 +0200 +Index: linux-2.6.22-rc6/net/netfilter/nf_conntrack_core.c +=================================================================== +--- linux-2.6.22-rc6.orig/net/netfilter/nf_conntrack_core.c	2007-07-02 02:16:21.833537750 +0200 ++++ linux-2.6.22-rc6/net/netfilter/nf_conntrack_core.c	2007-07-02 02:16:23.497641750 +0200  @@ -330,6 +330,13 @@   	 * too. */   	nf_ct_remove_expectations(ct); @@ -45,9 +47,10 @@ diff -urN linux-2.6.21.1.old/net/netfilter/nf_conntrack_core.c linux-2.6.21.1.de   	/* We overload first tuple to link into unconfirmed list. */   	if (!nf_ct_is_confirmed(ct)) {   		BUG_ON(list_empty(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list)); -diff -urN linux-2.6.21.1.old/net/netfilter/nf_conntrack_standalone.c linux-2.6.21.1.dev/net/netfilter/nf_conntrack_standalone.c ---- linux-2.6.21.1.old/net/netfilter/nf_conntrack_standalone.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/netfilter/nf_conntrack_standalone.c	2007-05-26 20:13:52.649129968 +0200 +Index: linux-2.6.22-rc6/net/netfilter/nf_conntrack_standalone.c +=================================================================== +--- linux-2.6.22-rc6.orig/net/netfilter/nf_conntrack_standalone.c	2007-07-02 02:16:21.845538500 +0200 ++++ linux-2.6.22-rc6/net/netfilter/nf_conntrack_standalone.c	2007-07-02 02:16:23.521643250 +0200  @@ -184,6 +184,12 @@   		return -ENOSPC;   #endif @@ -61,10 +64,11 @@ diff -urN linux-2.6.21.1.old/net/netfilter/nf_conntrack_standalone.c linux-2.6.2   	if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))   		return -ENOSPC; -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:13:52.650129816 +0200 -@@ -0,0 +1,573 @@ +Index: linux-2.6.22-rc6/net/ipv4/netfilter/ipt_layer7.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 03:43:44.341174000 +0200 +@@ -0,0 +1,583 @@  +/*  +  Kernel module to match application layer (OSI layer 7) data in connections.  + @@ -80,15 +84,18 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +  +  Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be>  +  and cls_layer7.c (C) 2003 Matthew Strait, Ethan Sommer, Justin Levandoski ++ ++  Jan Engelhardt, 2007-03-11: Arrange to compile with nf_conntrack  +*/  +  +#include <linux/module.h>  +#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_conntrack.h>  +#include <linux/proc_fs.h>  +#include <linux/ctype.h>  +#include <net/ip.h>  +#include <net/tcp.h> ++#include <net/netfilter/nf_conntrack.h> ++#include <net/netfilter/nf_nat_rule.h>  +#include <linux/spinlock.h>  +  +#include "regexp/regexp.c" @@ -282,7 +289,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +{  +	/* In case we are ported somewhere (ebtables?) where ip_hdr(skb)  +	isn't set, this can be gotten from 4*(skb->data[0] & 0x0f) as well. */ -+	int ip_hl = ip_hdrlen(skb); ++	int ip_hl = 4*ip_hdr(skb)->ihl;  +  +	if( ip_hdr(skb)->protocol == IPPROTO_TCP ) {  +		/* 12 == offset into TCP header for the header length field. @@ -304,7 +311,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +}  +  +/* handles whether there's a match when we aren't appending data anymore */ -+static int match_no_append(struct ip_conntrack * conntrack, struct ip_conntrack * master_conntrack, ++static int match_no_append(struct nf_conn * conntrack, struct nf_conn * master_conntrack,  +			enum ip_conntrack_info ctinfo, enum ip_conntrack_info master_ctinfo,  +			struct ipt_layer7_info * info)  +{ @@ -364,15 +371,15 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +}  +  +/* add the new app data to the conntrack.  Return number of bytes added. */ -+static int add_data(struct ip_conntrack * master_conntrack, ++static int add_data(struct nf_conn * 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  ++	// 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;  + @@ -401,11 +408,12 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	int offset, unsigned int protoff, int *hotdrop)  +{  +	/* sidestep const without getting a compiler warning... */ -+	struct sk_buff * skb = (struct sk_buff *)skbin;  ++	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; ++	struct nf_conn *master_conntrack; ++	struct nf_conn *conntrack;  +	unsigned char * app_data;  +	unsigned int pattern_result, appdatalen;  +	regexp * comppattern; @@ -418,9 +426,8 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	/* Treat parent & all its children together as one connection, except  +	for the purpose of setting conntrack->layer7.app_proto in the actual  +	connection. This makes /proc/net/ip_conntrack more satisfying. */ -+	if(!(conntrack = ip_conntrack_get((struct sk_buff *)skb, &ctinfo)) || -+	   !(master_conntrack = ip_conntrack_get((struct sk_buff *)skb, &master_ctinfo))) { -+		//DPRINTK("layer7: packet is not from a known connection, giving up.\n"); ++	if(((conntrack = nf_ct_get((struct sk_buff *)skb, &ctinfo)) == NULL) || ++	   ((master_conntrack = nf_ct_get((struct sk_buff *)skb, &master_ctinfo)) == NULL)) {  +		return info->invert;  +	}  + @@ -434,11 +441,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +  +		pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info);  + -+		/* skb->cb[0] == seen. Avoid doing things twice if there are two l7 -+		rules. I'm not sure that using cb for this purpose is correct, although ++		/* skb->cb[0] == seen. Don't do things twice if there are multiple l7 ++		rules. I'm not sure that using cb for this purpose is correct, even though  +		it says "put your private variables there". But it doesn't look like it -+		is being used for anything else in the skbs that make it here. How can -+		I write to cb without making the compiler angry? */ ++		is being used for anything else in the skbs that make it here. */  +		skb->cb[0] = 1; /* marking it seen here is probably irrelevant, but consistant */  +  +		return (pattern_result ^ info->invert); @@ -499,6 +505,11 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	read_lock(&ct_lock);  +	if(!strcmp(info->protocol, "unknown")) {  +		pattern_result = 0; ++	/* If looking for "unset", then always match. "Unset" means that we ++	haven't yet classified the connection. */ ++	} else if(!strcmp(info->protocol, "unset")) { ++		pattern_result = 2; ++		DPRINTK("layer7: matched unset: not yet classified (%d/%d packets)\n", TOTAL_PACKETS, num_packets);  +	/* If the regexp failed to compile, don't bother running it */  +	} else if(comppattern && regexec(comppattern, master_conntrack->layer7.app_data)) {  +		DPRINTK("layer7: matched %s\n", info->protocol); @@ -506,7 +517,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	} else pattern_result = 0;  +	read_unlock(&ct_lock);  + -+	if(pattern_result) { ++	if(pattern_result == 1) {  +		write_lock(&ct_lock);  +		master_conntrack->layer7.app_proto = kmalloc(strlen(info->protocol)+1, GFP_ATOMIC);  +		if(!master_conntrack->layer7.app_proto){ @@ -517,6 +528,8 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +		}  +		strcpy(master_conntrack->layer7.app_proto, info->protocol);  +		write_unlock(&ct_lock); ++	} else if(pattern_result > 1) { /* cleanup from "unset" */ ++		pattern_result = 1;  +	}  +  +	/* mark the packet seen */ @@ -525,10 +538,11 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	return (pattern_result ^ info->invert);  +}  + -+static struct ipt_match layer7_match = { ++static struct xt_match layer7_match = {  +	.name = "layer7",  +	.match = &match,  +	.matchsize  = sizeof(struct ipt_layer7_info), ++	.family = AF_INET,  +	.me = THIS_MODULE  +};  + @@ -627,27 +641,28 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +		printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, using 65536\n");  +		maxdatalen = 65536;  +	} -+	return ipt_register_match(&layer7_match); ++	return xt_register_match(&layer7_match);  +}  +  +static void __exit ipt_layer7_fini(void)  +{  +	layer7_cleanup_proc(); -+	ipt_unregister_match(&layer7_match); ++	xt_unregister_match(&layer7_match);  +}  +  +module_init(ipt_layer7_init);  +module_exit(ipt_layer7_fini); -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig linux-2.6.21.1.dev/net/ipv4/netfilter/Kconfig ---- linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/Kconfig	2007-05-26 20:13:52.650129816 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/Kconfig +=================================================================== +--- linux-2.6.22-rc6.orig/net/ipv4/netfilter/Kconfig	2007-07-02 02:16:21.857539250 +0200 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/Kconfig	2007-07-02 03:43:29.324235500 +0200  @@ -63,6 +63,24 @@   	  To compile it as a module, choose M here.  If unsure, say N.  +config IP_NF_MATCH_LAYER7  +	tristate "Layer 7 match support (EXPERIMENTAL)" -+	depends on IP_NF_IPTABLES && IP_NF_CT_ACCT && IP_NF_CONNTRACK && EXPERIMENTAL ++	depends on IP_NF_IPTABLES && NF_CT_ACCT && NF_CONNTRACK && EXPERIMENTAL  +	help  +	  Say Y if you want to be able to classify connections (and their  +	  packets) based on regular expression matching of their application @@ -666,9 +681,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig linux-2.6.21.1.dev/net/i   config IP_NF_MATCH_TOS   	tristate "TOS match support"   	depends on IP_NF_IPTABLES -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Makefile linux-2.6.21.1.dev/net/ipv4/netfilter/Makefile ---- linux-2.6.21.1.old/net/ipv4/netfilter/Makefile	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/Makefile	2007-05-26 20:13:52.651129664 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/Makefile +=================================================================== +--- linux-2.6.22-rc6.orig/net/ipv4/netfilter/Makefile	2007-07-02 02:16:21.865539750 +0200 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/Makefile	2007-07-02 03:43:29.336236250 +0200  @@ -50,6 +50,8 @@   obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o   obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o @@ -678,9 +694,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Makefile linux-2.6.21.1.dev/net/   # targets   obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o   obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.c	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regexp.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regexp.c	2007-07-02 02:35:33.797531000 +0200  @@ -0,0 +1,1197 @@  +/*  + * regcomp and regexec -- regsub and regerror are elsewhere @@ -918,7 +935,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.d  +	register int len;  +	int flags;  +	struct match_globals g; -+	 ++  +	/* commented out by ethan  +	   extern char *malloc();  +	*/ @@ -1045,7 +1062,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.d  +	}  +  +	/* Make a closing node, and hook it on the end. */ -+	ender = regnode(g, (paren) ? CLOSE+parno : END);	 ++	ender = regnode(g, (paren) ? CLOSE+parno : END);  +	regtail(g, ret, ender);  +  +	/* Hook the tails of the branches to the closing node. */ @@ -1879,9 +1896,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.d  +#endif  +  + -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.h ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.h	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regexp.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regexp.h	2007-07-02 02:16:23.677653000 +0200  @@ -0,0 +1,41 @@  +/*  + * Definitions etc. for regexp(3) routines. @@ -1924,18 +1942,20 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.21.1.d  +void regerror(char *s);  +  +#endif -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regmagic.h linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regmagic.h ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regmagic.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regmagic.h	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regmagic.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regmagic.h	2007-07-02 02:16:23.701654500 +0200  @@ -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-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regsub.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regsub.c	2007-05-26 20:13:52.653129360 +0200 +Index: linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regsub.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/regexp/regsub.c	2007-07-02 02:35:46.074298250 +0200  @@ -0,0 +1,95 @@  +/*  + * regsub @@ -1993,7 +2013,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.21.1.d  +	register char c;  +	register int no;  +	register int len; -+	 ++  +	/* Not necessary and gcc doesn't like it -MLS */  +	/*extern char *strncpy();*/  + @@ -2032,3 +2052,29 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.21.1.d  +	}  +	*dst++ = '\0';  +} +Index: linux-2.6.22-rc6/include/net/netfilter/nf_conntrack.h +=================================================================== +--- linux-2.6.22-rc6.orig/include/net/netfilter/nf_conntrack.h	2007-07-02 02:16:21.825537250 +0200 ++++ linux-2.6.22-rc6/include/net/netfilter/nf_conntrack.h	2007-07-02 02:16:23.749657500 +0200 +@@ -128,6 +128,21 @@ + 	u_int32_t secmark; + #endif +  ++#if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) ++	struct { ++		/* ++		 * e.g. "http". NULL before decision. "unknown" after decision ++		 * if no match. ++		 */ ++		char *app_proto; ++		/* ++		 * application layer data so far. NULL after match decision. ++		 */ ++		char *app_data; ++		unsigned int app_data_len; ++	} layer7; ++#endif ++ + 	/* Storage reserved for other modules: */ + 	union nf_conntrack_proto proto; +  diff --git a/target/linux/generic-2.6/patches-2.6.22/101-netfilter_layer7_pktmatch.patch b/target/linux/generic-2.6/patches-2.6.22/101-netfilter_layer7_pktmatch.patch index 2d7f058ca..5ac30a7c2 100644 --- a/target/linux/generic-2.6/patches-2.6.22/101-netfilter_layer7_pktmatch.patch +++ b/target/linux/generic-2.6/patches-2.6.22/101-netfilter_layer7_pktmatch.patch @@ -1,6 +1,7 @@ -diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h ---- linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:17:47.624408296 +0200 -+++ linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:17:48.729240336 +0200 +Index: linux-2.6.22-rc6/include/linux/netfilter_ipv4/ipt_layer7.h +=================================================================== +--- linux-2.6.22-rc6.orig/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 03:23:28.597194750 +0200 ++++ linux-2.6.22-rc6/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 03:23:44.730203000 +0200  @@ -21,6 +21,7 @@       char protocol[MAX_PROTOCOL_LEN];       char invert:1; @@ -9,24 +10,24 @@ diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6   };   #endif /* _IPT_LAYER7_H */ -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:17:47.626407992 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:17:48.729240336 +0200 -@@ -296,33 +296,34 @@ - 	} +Index: linux-2.6.22-rc6/net/ipv4/netfilter/ipt_layer7.c +=================================================================== +--- linux-2.6.22-rc6.orig/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 03:23:28.609195500 +0200 ++++ linux-2.6.22-rc6/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 03:23:54.234797000 +0200 +@@ -300,33 +300,34 @@   } --/* add the new app data to the conntrack.  Return number of bytes added. */ --static int add_data(struct ip_conntrack * master_conntrack, + /* add the new app data to the conntrack.  Return number of bytes added. */ +-static int add_data(struct nf_conn * 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  +-	// 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; @@ -45,33 +46,33 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/   		}   	}  +	target[length+offset] = '\0'; ++ ++	return length; ++}  -	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, ++static int add_data(struct nf_conn * 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; +  +@@ -343,7 +344,7 @@   	enum ip_conntrack_info master_ctinfo, ctinfo; - 	struct ip_conntrack *master_conntrack, *conntrack; + 	struct nf_conn *master_conntrack; + 	struct nf_conn *conntrack;  -	unsigned char * app_data;  +	unsigned char *app_data, *tmp_data;   	unsigned int pattern_result, appdatalen;   	regexp * comppattern; -@@ -362,8 +363,8 @@ +@@ -365,8 +366,8 @@   		master_conntrack = master_ct(master_conntrack);   	/* if we've classified it or seen too many packets */ @@ -82,7 +83,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/   		pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info); -@@ -394,6 +395,23 @@ +@@ -396,6 +397,23 @@   	comppattern = compile_and_cache(info->pattern, info->protocol);   	spin_unlock_bh(&list_lock); diff --git a/target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch b/target/linux/generic-2.6/patches/100-netfilter_layer7_2.9.patch index 9e9452a6a..5035e0b2a 100644 --- a/target/linux/generic-2.6/patches/100-netfilter_layer7_2.8.patch +++ b/target/linux/generic-2.6/patches/100-netfilter_layer7_2.9.patch @@ -1,25 +1,7 @@ -diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ip_conntrack.h linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ip_conntrack.h ---- linux-2.6.21.1.old/include/linux/netfilter_ipv4/ip_conntrack.h	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ip_conntrack.h	2007-05-26 20:13:52.648130120 +0200 -@@ -128,6 +128,15 @@ - 	/* Traversed often, so hopefully in different cacheline to top */ - 	/* These are my tuples; original and reply */ - 	struct ip_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX]; -+ -+#if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) -+        struct { -+                char * app_proto; /* e.g. "http". NULL before decision. "unknown" after decision if no match */ -+                char * app_data;  /* application layer data so far.  NULL after match decision */ -+                unsigned int app_data_len; -+        } layer7; -+#endif -+ - }; -  - struct ip_conntrack_expect -diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h ---- linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:13:52.648130120 +0200 +Index: linux-2.6.21.5/include/linux/netfilter_ipv4/ipt_layer7.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 00:43:58.271086750 +0200  @@ -0,0 +1,26 @@  +/*  +  By Matthew Strait <quadong@users.sf.net>, Dec 2003. @@ -47,10 +29,11 @@ diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6  +};  +  +#endif /* _IPT_LAYER7_H */ -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_core.c linux-2.6.21.1.dev/net/ipv4/netfilter/ip_conntrack_core.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_core.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ip_conntrack_core.c	2007-05-26 20:13:52.649129968 +0200 -@@ -337,6 +337,13 @@ +Index: linux-2.6.21.5/net/ipv4/netfilter/ip_conntrack_core.c +=================================================================== +--- linux-2.6.21.5.orig/net/ipv4/netfilter/ip_conntrack_core.c	2007-07-02 00:37:53.432285750 +0200 ++++ linux-2.6.21.5/net/ipv4/netfilter/ip_conntrack_core.c	2007-07-02 00:37:55.496414750 +0200 +@@ -332,6 +332,13 @@   	 * too. */   	ip_ct_remove_expectations(ct); @@ -64,9 +47,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_core.c linux-2.6.21   	/* 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-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux-2.6.21.1.dev/net/ipv4/netfilter/ip_conntrack_standalone.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_standalone.c	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ip_conntrack_standalone.c	2007-05-26 20:13:52.649129968 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/ip_conntrack_standalone.c +=================================================================== +--- linux-2.6.21.5.orig/net/ipv4/netfilter/ip_conntrack_standalone.c	2007-07-02 00:37:53.440286250 +0200 ++++ linux-2.6.21.5/net/ipv4/netfilter/ip_conntrack_standalone.c	2007-07-02 00:37:55.544417750 +0200  @@ -188,6 +188,12 @@   		return -ENOSPC;   #endif @@ -80,10 +64,11 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ip_conntrack_standalone.c linux-   	if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))   		return -ENOSPC; -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:13:52.650129816 +0200 -@@ -0,0 +1,573 @@ +Index: linux-2.6.21.5/net/ipv4/netfilter/ipt_layer7.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 01:27:54.195821750 +0200 +@@ -0,0 +1,582 @@  +/*  +  Kernel module to match application layer (OSI layer 7) data in connections.  + @@ -99,15 +84,18 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +  +  Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be>  +  and cls_layer7.c (C) 2003 Matthew Strait, Ethan Sommer, Justin Levandoski ++ ++  Jan Engelhardt, 2007-03-11: Arrange to compile with nf_conntrack  +*/  +  +#include <linux/module.h>  +#include <linux/skbuff.h> -+#include <linux/netfilter_ipv4/ip_conntrack.h>  +#include <linux/proc_fs.h>  +#include <linux/ctype.h>  +#include <net/ip.h>  +#include <net/tcp.h> ++#include <net/netfilter/nf_conntrack.h> ++#include <net/netfilter/nf_nat_rule.h>  +#include <linux/spinlock.h>  +  +#include "regexp/regexp.c" @@ -424,7 +412,8 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +  +	struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo;  +	enum ip_conntrack_info master_ctinfo, ctinfo; -+	struct ip_conntrack *master_conntrack, *conntrack; ++	struct nf_conn *master_conntrack; ++	struct ip_conntrack *conntrack;  +	unsigned char * app_data;  +	unsigned int pattern_result, appdatalen;  +	regexp * comppattern; @@ -437,9 +426,8 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	/* Treat parent & all its children together as one connection, except  +	for the purpose of setting conntrack->layer7.app_proto in the actual  +	connection. This makes /proc/net/ip_conntrack more satisfying. */ -+	if(!(conntrack = ip_conntrack_get((struct sk_buff *)skb, &ctinfo)) || -+	   !(master_conntrack = ip_conntrack_get((struct sk_buff *)skb, &master_ctinfo))) { -+		//DPRINTK("layer7: packet is not from a known connection, giving up.\n"); ++	if(((conntrack = ip_conntrack_get((struct sk_buff *)skb, &ctinfo)) == NULL) || ++	   ((master_conntrack = ip_conntrack_get((struct sk_buff *)skb, &master_ctinfo)) == NULL)) {  +		return info->invert;  +	}  + @@ -453,11 +441,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +  +		pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info);  + -+		/* skb->cb[0] == seen. Avoid doing things twice if there are two l7 -+		rules. I'm not sure that using cb for this purpose is correct, although ++		/* skb->cb[0] == seen. Don't do things twice if there are multiple l7 ++		rules. I'm not sure that using cb for this purpose is correct, even though  +		it says "put your private variables there". But it doesn't look like it -+		is being used for anything else in the skbs that make it here. How can -+		I write to cb without making the compiler angry? */ ++		is being used for anything else in the skbs that make it here. */  +		skb->cb[0] = 1; /* marking it seen here is probably irrelevant, but consistant */  +  +		return (pattern_result ^ info->invert); @@ -518,6 +505,11 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	read_lock(&ct_lock);  +	if(!strcmp(info->protocol, "unknown")) {  +		pattern_result = 0; ++	/* If looking for "unset", then always match. "Unset" means that we ++	haven't yet classified the connection. */ ++	} else if(!strcmp(info->protocol, "unset")) { ++		pattern_result = 2; ++		DPRINTK("layer7: matched unset: not yet classified (%d/%d packets)\n", TOTAL_PACKETS, num_packets);  +	/* If the regexp failed to compile, don't bother running it */  +	} else if(comppattern && regexec(comppattern, master_conntrack->layer7.app_data)) {  +		DPRINTK("layer7: matched %s\n", info->protocol); @@ -525,7 +517,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	} else pattern_result = 0;  +	read_unlock(&ct_lock);  + -+	if(pattern_result) { ++	if(pattern_result == 1) {  +		write_lock(&ct_lock);  +		master_conntrack->layer7.app_proto = kmalloc(strlen(info->protocol)+1, GFP_ATOMIC);  +		if(!master_conntrack->layer7.app_proto){ @@ -536,6 +528,8 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +		}  +		strcpy(master_conntrack->layer7.app_proto, info->protocol);  +		write_unlock(&ct_lock); ++	} else if(pattern_result > 1) { /* cleanup from "unset" */ ++		pattern_result = 1;  +	}  +  +	/* mark the packet seen */ @@ -544,7 +538,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +	return (pattern_result ^ info->invert);  +}  + -+static struct ipt_match layer7_match = { ++static struct xt_match layer7_match = {  +	.name = "layer7",  +	.match = &match,  +	.matchsize  = sizeof(struct ipt_layer7_info), @@ -646,27 +640,28 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/  +		printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, using 65536\n");  +		maxdatalen = 65536;  +	} -+	return ipt_register_match(&layer7_match); ++	return xt_register_match(&layer7_match);  +}  +  +static void __exit ipt_layer7_fini(void)  +{  +	layer7_cleanup_proc(); -+	ipt_unregister_match(&layer7_match); ++	xt_unregister_match(&layer7_match);  +}  +  +module_init(ipt_layer7_init);  +module_exit(ipt_layer7_fini); -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig linux-2.6.21.1.dev/net/ipv4/netfilter/Kconfig ---- linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/Kconfig	2007-05-26 20:13:52.650129816 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/Kconfig +=================================================================== +--- linux-2.6.21.5.orig/net/ipv4/netfilter/Kconfig	2007-07-02 00:37:53.456287250 +0200 ++++ linux-2.6.21.5/net/ipv4/netfilter/Kconfig	2007-07-02 01:21:17.231013000 +0200  @@ -245,6 +245,24 @@   	  To compile it as a module, choose M here.  If unsure, say N.  +config IP_NF_MATCH_LAYER7  +	tristate "Layer 7 match support (EXPERIMENTAL)" -+	depends on IP_NF_IPTABLES && IP_NF_CT_ACCT && IP_NF_CONNTRACK && EXPERIMENTAL ++	depends on IP_NF_IPTABLES && NF_CT_ACCT && NF_CONNTRACK && EXPERIMENTAL  +	help  +	  Say Y if you want to be able to classify connections (and their  +	  packets) based on regular expression matching of their application @@ -685,9 +680,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Kconfig linux-2.6.21.1.dev/net/i   config IP_NF_MATCH_TOS   	tristate "TOS match support"   	depends on IP_NF_IPTABLES -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Makefile linux-2.6.21.1.dev/net/ipv4/netfilter/Makefile ---- linux-2.6.21.1.old/net/ipv4/netfilter/Makefile	2007-04-27 23:49:26.000000000 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/Makefile	2007-05-26 20:13:52.651129664 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/Makefile +=================================================================== +--- linux-2.6.21.5.orig/net/ipv4/netfilter/Makefile	2007-07-02 00:37:53.464287750 +0200 ++++ linux-2.6.21.5/net/ipv4/netfilter/Makefile	2007-07-02 00:43:58.191081750 +0200  @@ -92,6 +92,8 @@   obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o   obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o @@ -697,9 +693,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/Makefile linux-2.6.21.1.dev/net/   # targets   obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o   obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.c	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/regexp/regexp.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/net/ipv4/netfilter/regexp/regexp.c	2007-07-02 00:37:55.648424250 +0200  @@ -0,0 +1,1197 @@  +/*  + * regcomp and regexec -- regsub and regerror are elsewhere @@ -1898,9 +1895,10 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.c linux-2.6.21.1.d  +#endif  +  + -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.h ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regexp.h	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/regexp/regexp.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/net/ipv4/netfilter/regexp/regexp.h	2007-07-02 00:37:55.700427500 +0200  @@ -0,0 +1,41 @@  +/*  + * Definitions etc. for regexp(3) routines. @@ -1943,18 +1941,20 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regexp.h linux-2.6.21.1.d  +void regerror(char *s);  +  +#endif -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regmagic.h linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regmagic.h ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regmagic.h	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regmagic.h	2007-05-26 20:13:52.652129512 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/regexp/regmagic.h +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/net/ipv4/netfilter/regexp/regmagic.h	2007-07-02 00:37:55.724429000 +0200  @@ -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-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regsub.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c	1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/regexp/regsub.c	2007-05-26 20:13:52.653129360 +0200 +Index: linux-2.6.21.5/net/ipv4/netfilter/regexp/regsub.c +=================================================================== +--- /dev/null	1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.21.5/net/ipv4/netfilter/regexp/regsub.c	2007-07-02 00:37:55.752430750 +0200  @@ -0,0 +1,95 @@  +/*  + * regsub @@ -2051,3 +2051,29 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/regexp/regsub.c linux-2.6.21.1.d  +	}  +	*dst++ = '\0';  +} +Index: linux-2.6.21.5/include/net/netfilter/nf_conntrack.h +=================================================================== +--- linux-2.6.21.5.orig/include/net/netfilter/nf_conntrack.h	2007-07-02 00:49:22.815369500 +0200 ++++ linux-2.6.21.5/include/net/netfilter/nf_conntrack.h	2007-07-02 00:56:21.413530250 +0200 +@@ -128,6 +128,21 @@ + 	u_int32_t secmark; + #endif +  ++#if defined(CONFIG_IP_NF_MATCH_LAYER7) || defined(CONFIG_IP_NF_MATCH_LAYER7_MODULE) ++	struct { ++		/* ++		 * e.g. "http". NULL before decision. "unknown" after decision ++		 * if no match. ++		 */ ++		char *app_proto; ++		/* ++		 * application layer data so far. NULL after match decision. ++		 */ ++		char *app_data; ++		unsigned int app_data_len; ++	} layer7; ++#endif ++ + 	/* Storage reserved for other modules: */ + 	union nf_conntrack_proto proto; +  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 index 2d7f058ca..966353ad2 100644 --- a/target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch +++ b/target/linux/generic-2.6/patches/101-netfilter_layer7_pktmatch.patch @@ -1,6 +1,7 @@ -diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h ---- linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:17:47.624408296 +0200 -+++ linux-2.6.21.1.dev/include/linux/netfilter_ipv4/ipt_layer7.h	2007-05-26 20:17:48.729240336 +0200 +Index: linux-2.6.21.5/include/linux/netfilter_ipv4/ipt_layer7.h +=================================================================== +--- linux-2.6.21.5.orig/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 00:43:58.271086750 +0200 ++++ linux-2.6.21.5/include/linux/netfilter_ipv4/ipt_layer7.h	2007-07-02 01:36:08.914739750 +0200  @@ -21,6 +21,7 @@       char protocol[MAX_PROTOCOL_LEN];       char invert:1; @@ -9,10 +10,11 @@ diff -urN linux-2.6.21.1.old/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.6   };   #endif /* _IPT_LAYER7_H */ -diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c ---- linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:17:47.626407992 +0200 -+++ linux-2.6.21.1.dev/net/ipv4/netfilter/ipt_layer7.c	2007-05-26 20:17:48.729240336 +0200 -@@ -296,33 +296,34 @@ +Index: linux-2.6.21.5/net/ipv4/netfilter/ipt_layer7.c +=================================================================== +--- linux-2.6.21.5.orig/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 01:27:54.195821750 +0200 ++++ linux-2.6.21.5/net/ipv4/netfilter/ipt_layer7.c	2007-07-02 01:37:01.990056750 +0200 +@@ -299,33 +299,34 @@   	}   } @@ -62,16 +64,16 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/   	return length;   } -@@ -339,7 +340,7 @@ - 	struct ipt_layer7_info * info = (struct ipt_layer7_info *)matchinfo; +@@ -343,7 +344,7 @@   	enum ip_conntrack_info master_ctinfo, ctinfo; - 	struct ip_conntrack *master_conntrack, *conntrack; + 	struct nf_conn *master_conntrack; + 	struct ip_conntrack *conntrack;  -	unsigned char * app_data;  +	unsigned char *app_data, *tmp_data;   	unsigned int pattern_result, appdatalen;   	regexp * comppattern; -@@ -362,8 +363,8 @@ +@@ -365,8 +366,8 @@   		master_conntrack = master_ct(master_conntrack);   	/* if we've classified it or seen too many packets */ @@ -82,7 +84,7 @@ diff -urN linux-2.6.21.1.old/net/ipv4/netfilter/ipt_layer7.c linux-2.6.21.1.dev/   		pattern_result = match_no_append(conntrack, master_conntrack, ctinfo, master_ctinfo, info); -@@ -394,6 +395,23 @@ +@@ -396,6 +397,23 @@   	comppattern = compile_and_cache(info->pattern, info->protocol);   	spin_unlock_bh(&list_lock); | 
