mirror of https://github.com/hak5/openwrt.git
parent
81668c7ab9
commit
bef13ad1d0
|
@ -1,13 +1,44 @@
|
|||
diff -Nurp iptables-1.3.0-stock/extensions/.layer7-test iptables-1.3.0-layer7/extensions/.layer7-test
|
||||
--- iptables-1.3.0-stock/extensions/.layer7-test 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ iptables-1.3.0-layer7/extensions/.layer7-test 2005-03-01 22:12:06.000000000 -0600
|
||||
diff -urN iptables.old/extensions/.layer7-test iptables.dev/extensions/.layer7-test
|
||||
--- iptables.old/extensions/.layer7-test 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ iptables.dev/extensions/.layer7-test 2005-11-10 16:57:51.819381000 +0100
|
||||
@@ -0,0 +1,2 @@
|
||||
+#! /bin/sh
|
||||
+[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_layer7.h ] && echo layer7
|
||||
diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7/extensions/libipt_layer7.c
|
||||
--- iptables-1.3.0-stock/extensions/libipt_layer7.c 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ iptables-1.3.0-layer7/extensions/libipt_layer7.c 2005-03-06 22:14:13.000000000 -0600
|
||||
@@ -0,0 +1,357 @@
|
||||
diff -urN iptables.old/extensions/ipt_layer7.h iptables.dev/extensions/ipt_layer7.h
|
||||
--- iptables.old/extensions/ipt_layer7.h 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ iptables.dev/extensions/ipt_layer7.h 2005-11-10 17:46:32.933599750 +0100
|
||||
@@ -0,0 +1,27 @@
|
||||
+/*
|
||||
+ By Matthew Strait <quadong@users.sf.net>, Dec 2003.
|
||||
+ http://l7-filter.sf.net
|
||||
+
|
||||
+ This program is free software; you can redistribute it and/or
|
||||
+ modify it under the terms of the GNU General Public License
|
||||
+ as published by the Free Software Foundation; either version
|
||||
+ 2 of the License, or (at your option) any later version.
|
||||
+ http://www.gnu.org/licenses/gpl.txt
|
||||
+*/
|
||||
+
|
||||
+#ifndef _IPT_LAYER7_H
|
||||
+#define _IPT_LAYER7_H
|
||||
+
|
||||
+#define MAX_PATTERN_LEN 8192
|
||||
+#define MAX_PROTOCOL_LEN 256
|
||||
+
|
||||
+typedef char *(*proc_ipt_search) (char *, char, char *);
|
||||
+
|
||||
+struct ipt_layer7_info {
|
||||
+ char protocol[MAX_PROTOCOL_LEN];
|
||||
+ char invert:1;
|
||||
+ char pattern[MAX_PATTERN_LEN];
|
||||
+ char pkt;
|
||||
+};
|
||||
+
|
||||
+#endif /* _IPT_LAYER7_H */
|
||||
diff -urN iptables.old/extensions/libipt_layer7.c iptables.dev/extensions/libipt_layer7.c
|
||||
--- iptables.old/extensions/libipt_layer7.c 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ iptables.dev/extensions/libipt_layer7.c 2005-11-10 17:47:01.399378750 +0100
|
||||
@@ -0,0 +1,358 @@
|
||||
+/*
|
||||
+ Shared library add-on to iptables to add layer 7 matching support.
|
||||
+
|
||||
|
@ -34,7 +65,7 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+#include <dirent.h>
|
||||
+
|
||||
+#include <iptables.h>
|
||||
+#include <linux/netfilter_ipv4/ipt_layer7.h>
|
||||
+#include "ipt_layer7.h"
|
||||
+
|
||||
+#define MAX_FN_LEN 256
|
||||
+
|
||||
|
@ -47,7 +78,8 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+ "LAYER7 match v%s options:\n"
|
||||
+ "--l7dir <directory> : Look for patterns here instead of /etc/l7-protocols/\n"
|
||||
+ " (--l7dir must be specified before --l7proto if used!)\n"
|
||||
+ "--l7proto [!] <name> : Match the protocol defined in /etc/l7-protocols/name.pat\n",
|
||||
+ "--l7proto [!] <name> : Match the protocol defined in /etc/l7-protocols/name.pat\n"
|
||||
+ "--l7pkt : Skip connection tracking and match individual packets\n",
|
||||
+ IPTABLES_VERSION);
|
||||
+ fputc('\n', stdout);
|
||||
+}
|
||||
|
@ -55,15 +87,10 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+static struct option opts[] = {
|
||||
+ { .name = "l7proto", .has_arg = 1, .flag = 0, .val = '1' },
|
||||
+ { .name = "l7dir", .has_arg = 1, .flag = 0, .val = '2' },
|
||||
+ { .name = "l7pkt", .has_arg = 0, .flag = 0, .val = '3' },
|
||||
+ { .name = 0 }
|
||||
+};
|
||||
+
|
||||
+/* Initialize the match. */
|
||||
+static void init(struct ipt_entry_match *m, unsigned int *nfcache)
|
||||
+{
|
||||
+ *nfcache |= NFC_UNKNOWN;
|
||||
+}
|
||||
+
|
||||
+/* reads filename, puts protocol info into layer7_protocol_info, number of protocols to numprotos */
|
||||
+int parse_protocol_file(char * filename, const unsigned char * protoname, struct ipt_layer7_info *info)
|
||||
+{
|
||||
|
@ -305,6 +332,9 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+
|
||||
+ *flags = 1;
|
||||
+ break;
|
||||
+ case '3':
|
||||
+ layer7info->pkt = 1;
|
||||
+ break;
|
||||
+
|
||||
+ default:
|
||||
+ return 0;
|
||||
|
@ -337,6 +367,9 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+
|
||||
+ print_protocol(((struct ipt_layer7_info *)match->data)->protocol,
|
||||
+ ((struct ipt_layer7_info *)match->data)->invert, numeric);
|
||||
+
|
||||
+ if (((struct ipt_layer7_info *)match->data)->pkt)
|
||||
+ printf("l7pkt ");
|
||||
+}
|
||||
+/* Saves the union ipt_matchinfo in parsable form to stdout. */
|
||||
+static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match)
|
||||
|
@ -353,7 +386,6 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+ .size = IPT_ALIGN(sizeof(struct ipt_layer7_info)),
|
||||
+ .userspacesize = IPT_ALIGN(sizeof(struct ipt_layer7_info)),
|
||||
+ .help = &help,
|
||||
+ .init = &init,
|
||||
+ .parse = &parse,
|
||||
+ .final_check = &final_check,
|
||||
+ .print = &print,
|
||||
|
@ -365,9 +397,9 @@ diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.c iptables-1.3.0-layer7
|
|||
+{
|
||||
+ register_match(&layer7);
|
||||
+}
|
||||
diff -Nurp iptables-1.3.0-stock/extensions/libipt_layer7.man iptables-1.3.0-layer7/extensions/libipt_layer7.man
|
||||
--- iptables-1.3.0-stock/extensions/libipt_layer7.man 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ iptables-1.3.0-layer7/extensions/libipt_layer7.man 2005-03-01 22:12:06.000000000 -0600
|
||||
diff -urN iptables.old/extensions/libipt_layer7.man iptables.dev/extensions/libipt_layer7.man
|
||||
--- iptables.old/extensions/libipt_layer7.man 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ iptables.dev/extensions/libipt_layer7.man 2005-11-10 16:57:51.823381250 +0100
|
||||
@@ -0,0 +1,13 @@
|
||||
+This module matches packets based on the application layer data of
|
||||
+their connections. It uses regular expression matching to compare
|
|
@ -1,7 +1,7 @@
|
|||
diff -Nurp linux-2.4.30/Documentation/Configure.help linux-2.4.30-layer7/Documentation/Configure.help
|
||||
--- linux-2.4.30/Documentation/Configure.help 2005-04-03 20:42:19.000000000 -0500
|
||||
+++ linux-2.4.30-layer7/Documentation/Configure.help 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -29056,6 +29056,23 @@ CONFIG_SOUND_WM97XX
|
||||
diff -urN linux.old/Documentation/Configure.help linux.dev/Documentation/Configure.help
|
||||
--- linux.old/Documentation/Configure.help 2005-11-10 16:01:07.645540500 +0100
|
||||
+++ linux.dev/Documentation/Configure.help 2005-11-10 16:03:00.524595000 +0100
|
||||
@@ -29082,6 +29082,23 @@
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
|
@ -25,10 +25,10 @@ diff -Nurp linux-2.4.30/Documentation/Configure.help linux-2.4.30-layer7/Documen
|
|||
#
|
||||
# A couple of things I keep forgetting:
|
||||
# capitalize: AppleTalk, Ethernet, DOS, DMA, FAT, FTP, Internet,
|
||||
diff -Nurp linux-2.4.30/include/linux/netfilter_ipv4/ip_conntrack.h linux-2.4.30-layer7/include/linux/netfilter_ipv4/ip_conntrack.h
|
||||
--- linux-2.4.30/include/linux/netfilter_ipv4/ip_conntrack.h 2005-04-03 20:42:20.000000000 -0500
|
||||
+++ linux-2.4.30-layer7/include/linux/netfilter_ipv4/ip_conntrack.h 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -207,6 +207,17 @@ struct ip_conntrack
|
||||
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 2005-04-04 03:42:20.000000000 +0200
|
||||
+++ linux.dev/include/linux/netfilter_ipv4/ip_conntrack.h 2005-11-10 16:03:00.544596250 +0100
|
||||
@@ -207,6 +207,17 @@
|
||||
} nat;
|
||||
#endif /* CONFIG_IP_NF_NAT_NEEDED */
|
||||
|
||||
|
@ -46,10 +46,10 @@ diff -Nurp linux-2.4.30/include/linux/netfilter_ipv4/ip_conntrack.h linux-2.4.30
|
|||
};
|
||||
|
||||
/* get master conntrack via master expectation */
|
||||
diff -Nurp linux-2.4.30/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.4.30-layer7/include/linux/netfilter_ipv4/ipt_layer7.h
|
||||
--- linux-2.4.30/include/linux/netfilter_ipv4/ipt_layer7.h 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/include/linux/netfilter_ipv4/ipt_layer7.h 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -0,0 +1,26 @@
|
||||
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 2005-11-10 17:22:12.777440750 +0100
|
||||
@@ -0,0 +1,27 @@
|
||||
+/*
|
||||
+ By Matthew Strait <quadong@users.sf.net>, Dec 2003.
|
||||
+ http://l7-filter.sf.net
|
||||
|
@ -73,13 +73,14 @@ diff -Nurp linux-2.4.30/include/linux/netfilter_ipv4/ipt_layer7.h linux-2.4.30-l
|
|||
+ char protocol[MAX_PROTOCOL_LEN];
|
||||
+ char invert:1;
|
||||
+ char pattern[MAX_PATTERN_LEN];
|
||||
+ char pkt;
|
||||
+};
|
||||
+
|
||||
+#endif /* _IPT_LAYER7_H */
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/Config.in linux-2.4.30-layer7/net/ipv4/netfilter/Config.in
|
||||
--- linux-2.4.30/net/ipv4/netfilter/Config.in 2005-01-19 08:10:13.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/Config.in 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -43,6 +43,10 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
|
||||
diff -urN linux.old/net/ipv4/netfilter/Config.in linux.dev/net/ipv4/netfilter/Config.in
|
||||
--- linux.old/net/ipv4/netfilter/Config.in 2005-11-10 16:01:16.194074750 +0100
|
||||
+++ linux.dev/net/ipv4/netfilter/Config.in 2005-11-10 16:03:00.576598250 +0100
|
||||
@@ -44,6 +44,10 @@
|
||||
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
|
||||
dep_tristate ' Unclean match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_UNCLEAN $CONFIG_IP_NF_IPTABLES
|
||||
dep_tristate ' Owner match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_OWNER $CONFIG_IP_NF_IPTABLES
|
||||
|
@ -90,10 +91,10 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/Config.in linux-2.4.30-layer7/net/ipv
|
|||
fi
|
||||
# The targets
|
||||
dep_tristate ' Packet filtering' CONFIG_IP_NF_FILTER $CONFIG_IP_NF_IPTABLES
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/Makefile linux-2.4.30-layer7/net/ipv4/netfilter/Makefile
|
||||
--- linux-2.4.30/net/ipv4/netfilter/Makefile 2003-08-25 06:44:44.000000000 -0500
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/Makefile 2005-05-03 18:44:12.000000000 -0500
|
||||
@@ -86,6 +86,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s
|
||||
diff -urN linux.old/net/ipv4/netfilter/Makefile linux.dev/net/ipv4/netfilter/Makefile
|
||||
--- linux.old/net/ipv4/netfilter/Makefile 2005-11-10 16:01:16.210075750 +0100
|
||||
+++ linux.dev/net/ipv4/netfilter/Makefile 2005-11-10 16:03:00.576598250 +0100
|
||||
@@ -87,6 +87,7 @@
|
||||
obj-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack.o
|
||||
obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean.o
|
||||
obj-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss.o
|
||||
|
@ -101,10 +102,10 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/Makefile linux-2.4.30-layer7/net/ipv4
|
|||
|
||||
# targets
|
||||
obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/ip_conntrack_core.c linux-2.4.30-layer7/net/ipv4/netfilter/ip_conntrack_core.c
|
||||
--- linux-2.4.30/net/ipv4/netfilter/ip_conntrack_core.c 2005-04-03 20:42:20.000000000 -0500
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/ip_conntrack_core.c 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -346,6 +346,14 @@ destroy_conntrack(struct nf_conntrack *n
|
||||
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 2005-04-04 03:42:20.000000000 +0200
|
||||
+++ linux.dev/net/ipv4/netfilter/ip_conntrack_core.c 2005-11-10 16:03:00.584598750 +0100
|
||||
@@ -346,6 +346,14 @@
|
||||
}
|
||||
kfree(ct->master);
|
||||
}
|
||||
|
@ -119,10 +120,10 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ip_conntrack_core.c linux-2.4.30-laye
|
|||
WRITE_UNLOCK(&ip_conntrack_lock);
|
||||
|
||||
if (master)
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/ip_conntrack_standalone.c linux-2.4.30-layer7/net/ipv4/netfilter/ip_conntrack_standalone.c
|
||||
--- linux-2.4.30/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-04-03 20:42:20.000000000 -0500
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -107,6 +107,13 @@ print_conntrack(char *buffer, struct ip_
|
||||
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 2005-04-04 03:42:20.000000000 +0200
|
||||
+++ linux.dev/net/ipv4/netfilter/ip_conntrack_standalone.c 2005-11-10 16:03:00.592599250 +0100
|
||||
@@ -107,6 +107,13 @@
|
||||
len += sprintf(buffer + len, "[ASSURED] ");
|
||||
len += sprintf(buffer + len, "use=%u ",
|
||||
atomic_read(&conntrack->ct_general.use));
|
||||
|
@ -136,10 +137,10 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ip_conntrack_standalone.c linux-2.4.3
|
|||
len += sprintf(buffer + len, "\n");
|
||||
|
||||
return len;
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/ipv4/netfilter/ipt_layer7.c
|
||||
--- linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/ipt_layer7.c 2005-05-03 18:37:03.000000000 -0500
|
||||
@@ -0,0 +1,557 @@
|
||||
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 2005-11-10 16:55:35.238845250 +0100
|
||||
@@ -0,0 +1,581 @@
|
||||
+/*
|
||||
+ Kernel module to match application layer (OSI layer 7)
|
||||
+ data in connections.
|
||||
|
@ -434,27 +435,34 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/
|
|||
+ }
|
||||
+}
|
||||
+
|
||||
+/* 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;
|
||||
+
|
||||
+ /* 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 < CONFIG_IP_NF_MATCH_LAYER7_MAXDATALEN-oldlength-1 &&
|
||||
+ i < appdatalen; i++) {
|
||||
+ for(i = 0; i < CONFIG_IP_NF_MATCH_LAYER7_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;
|
||||
+}
|
||||
|
@ -467,7 +475,7 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/
|
|||
+ 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;
|
||||
+
|
||||
|
@ -497,8 +505,8 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/
|
|||
+ }
|
||||
+
|
||||
+ /* 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);
|
||||
+
|
||||
|
@ -529,6 +537,23 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/
|
|||
+ comppattern = compile_and_cache(info->pattern, info->protocol);
|
||||
+ UNLOCK_BH(&list_lock);
|
||||
+
|
||||
+ if (info->pkt) {
|
||||
+ tmp_data = kmalloc(CONFIG_IP_NF_MATCH_LAYER7_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) {
|
||||
|
@ -697,9 +722,9 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/ipt_layer7.c linux-2.4.30-layer7/net/
|
|||
+
|
||||
+module_init(init);
|
||||
+module_exit(fini);
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regexp.c linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regexp.c
|
||||
--- linux-2.4.30/net/ipv4/netfilter/regexp/regexp.c 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regexp.c 2005-05-03 18:37:03.000000000 -0500
|
||||
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 2005-11-10 16:03:00.596599500 +0100
|
||||
@@ -0,0 +1,1195 @@
|
||||
+/*
|
||||
+ * regcomp and regexec -- regsub and regerror are elsewhere
|
||||
|
@ -1896,9 +1921,9 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regexp.c linux-2.4.30-layer7/n
|
|||
+#endif
|
||||
+
|
||||
+
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regexp.h linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regexp.h
|
||||
--- linux-2.4.30/net/ipv4/netfilter/regexp/regexp.h 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regexp.h 2005-05-03 18:37:03.000000000 -0500
|
||||
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 2005-11-10 16:03:00.596599500 +0100
|
||||
@@ -0,0 +1,40 @@
|
||||
+/*
|
||||
+ * Definitions etc. for regexp(3) routines.
|
||||
|
@ -1940,18 +1965,18 @@ diff -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regexp.h linux-2.4.30-layer7/n
|
|||
+void regerror(char *s);
|
||||
+
|
||||
+#endif
|
||||
diff -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regmagic.h linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regmagic.h
|
||||
--- linux-2.4.30/net/ipv4/netfilter/regexp/regmagic.h 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regmagic.h 2005-05-03 18:37:03.000000000 -0500
|
||||
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 2005-11-10 16:03:00.596599500 +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 -Nurp linux-2.4.30/net/ipv4/netfilter/regexp/regsub.c linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regsub.c
|
||||
--- linux-2.4.30/net/ipv4/netfilter/regexp/regsub.c 1969-12-31 18:00:00.000000000 -0600
|
||||
+++ linux-2.4.30-layer7/net/ipv4/netfilter/regexp/regsub.c 2005-05-03 18:37:03.000000000 -0500
|
||||
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 2005-11-10 16:03:00.596599500 +0100
|
||||
@@ -0,0 +1,95 @@
|
||||
+/*
|
||||
+ * regsub
|
Loading…
Reference in New Issue