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authorFelix Fietkau <nbd@openwrt.org>2015-04-13 22:23:14 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-04-13 22:23:14 +0000
commitd0ba3bb1e24702e472eee2f3a5b7f9e4646b8ff1 (patch)
treeadd3d722fc72f04832f496eac303310600fabe23 /target/linux/generic/patches-3.18
parent87f854059aa3c703a87e08649801b15c93b845e7 (diff)
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kernel: finally remove layer7 filter support
it has been non-functional for years and caused numerous memleaks and crashes for people that tried to enable it. it has no maintained upstream source, and it does not look like it's going to be fixed any time soon Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45423
Diffstat (limited to 'target/linux/generic/patches-3.18')
-rw-r--r--target/linux/generic/patches-3.18/600-netfilter_conntrack_flush.patch (renamed from target/linux/generic/patches-3.18/604-netfilter_conntrack_flush.patch)4
-rw-r--r--target/linux/generic/patches-3.18/600-netfilter_layer7_2.22.patch2141
-rw-r--r--target/linux/generic/patches-3.18/601-netfilter_layer7_pktmatch.patch108
-rw-r--r--target/linux/generic/patches-3.18/602-netfilter_layer7_match.patch51
-rw-r--r--target/linux/generic/patches-3.18/603-netfilter_layer7_2.6.36_fix.patch61
-rw-r--r--target/linux/generic/patches-3.18/610-netfilter_match_bypass_default_checks.patch8
-rw-r--r--target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch2
-rw-r--r--target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch2
-rw-r--r--target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch12
-rw-r--r--target/linux/generic/patches-3.18/653-disable_netlink_trim.patch2
-rw-r--r--target/linux/generic/patches-3.18/657-qdisc_reduce_truesize.patch2
-rw-r--r--target/linux/generic/patches-3.18/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch2
-rw-r--r--target/linux/generic/patches-3.18/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch2
-rw-r--r--target/linux/generic/patches-3.18/750-hostap_txpower.patch2
-rw-r--r--target/linux/generic/patches-3.18/810-pci_disable_common_quirks.patch2
-rw-r--r--target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch10
-rw-r--r--target/linux/generic/patches-3.18/902-debloat_proc.patch2
-rw-r--r--target/linux/generic/patches-3.18/941-ocf_20120127.patch2
18 files changed, 27 insertions, 2388 deletions
diff --git a/target/linux/generic/patches-3.18/604-netfilter_conntrack_flush.patch b/target/linux/generic/patches-3.18/600-netfilter_conntrack_flush.patch
index 83cd04ac8b..cc428580a1 100644
--- a/target/linux/generic/patches-3.18/604-netfilter_conntrack_flush.patch
+++ b/target/linux/generic/patches-3.18/600-netfilter_conntrack_flush.patch
@@ -8,7 +8,7 @@
#include <net/net_namespace.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
-@@ -268,10 +269,66 @@ static int ct_open(struct inode *inode,
+@@ -262,10 +263,66 @@ static int ct_open(struct inode *inode,
sizeof(struct ct_iter_state));
}
@@ -75,7 +75,7 @@
.llseek = seq_lseek,
.release = seq_release_net,
};
-@@ -373,7 +430,7 @@ static int nf_conntrack_standalone_init_
+@@ -367,7 +424,7 @@ static int nf_conntrack_standalone_init_
{
struct proc_dir_entry *pde;
diff --git a/target/linux/generic/patches-3.18/600-netfilter_layer7_2.22.patch b/target/linux/generic/patches-3.18/600-netfilter_layer7_2.22.patch
deleted file mode 100644
index 14f7e2908e..0000000000
--- a/target/linux/generic/patches-3.18/600-netfilter_layer7_2.22.patch
+++ /dev/null
@@ -1,2141 +0,0 @@
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -1381,6 +1381,27 @@ config NETFILTER_XT_MATCH_STATE
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_MATCH_LAYER7
-+ tristate '"layer7" match support'
-+ depends on NETFILTER_XTABLES
-+ depends on EXPERIMENTAL && (IP_NF_CONNTRACK || NF_CONNTRACK)
-+ depends on NETFILTER_ADVANCED
-+ help
-+ Say Y if you want to be able to classify connections (and their
-+ packets) based on regular expression matching of their application
-+ layer data. This is one way to classify applications such as
-+ peer-to-peer filesharing systems that do not always use the same
-+ port.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config NETFILTER_XT_MATCH_LAYER7_DEBUG
-+ bool 'Layer 7 debugging output'
-+ depends on NETFILTER_XT_MATCH_LAYER7
-+ help
-+ Say Y to get lots of debugging output.
-+
-+
- config NETFILTER_XT_MATCH_STATISTIC
- tristate '"statistic" match support'
- depends on NETFILTER_ADVANCED
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -165,6 +165,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_RECENT)
- obj-$(CONFIG_NETFILTER_XT_MATCH_SCTP) += xt_sctp.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_SOCKET) += xt_socket.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STATE) += xt_state.o
-+obj-$(CONFIG_NETFILTER_XT_MATCH_LAYER7) += xt_layer7.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STATISTIC) += xt_statistic.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STRING) += xt_string.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_TCPMSS) += xt_tcpmss.o
---- /dev/null
-+++ b/net/netfilter/xt_layer7.c
-@@ -0,0 +1,666 @@
-+/*
-+ Kernel module to match application layer (OSI layer 7) data in connections.
-+
-+ http://l7-filter.sf.net
-+
-+ (C) 2003-2009 Matthew Strait and Ethan Sommer.
-+
-+ 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
-+
-+ Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be>,
-+ xt_helper.c (C) 2002 Harald Welte and cls_layer7.c (C) 2003 Matthew Strait,
-+ Ethan Sommer, Justin Levandoski.
-+*/
-+
-+#include <linux/spinlock.h>
-+#include <linux/version.h>
-+#include <net/ip.h>
-+#include <net/tcp.h>
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter.h>
-+#include <net/netfilter/nf_conntrack.h>
-+#include <net/netfilter/nf_conntrack_core.h>
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
-+#include <net/netfilter/nf_conntrack_extend.h>
-+#include <net/netfilter/nf_conntrack_acct.h>
-+#endif
-+#include <linux/netfilter/x_tables.h>
-+#include <linux/netfilter/xt_layer7.h>
-+#include <linux/ctype.h>
-+#include <linux/proc_fs.h>
-+
-+#include "regexp/regexp.c"
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Matthew Strait <quadong@users.sf.net>, Ethan Sommer <sommere@users.sf.net>");
-+MODULE_DESCRIPTION("iptables application layer match module");
-+MODULE_ALIAS("ipt_layer7");
-+MODULE_VERSION("2.21");
-+
-+static int maxdatalen = 2048; // this is the default
-+module_param(maxdatalen, int, 0444);
-+MODULE_PARM_DESC(maxdatalen, "maximum bytes of data looked at by l7-filter");
-+#ifdef CONFIG_NETFILTER_XT_MATCH_LAYER7_DEBUG
-+ #define DPRINTK(format,args...) printk(format,##args)
-+#else
-+ #define DPRINTK(format,args...)
-+#endif
-+
-+/* Number of packets whose data we look at.
-+This can be modified through /proc/net/layer7_numpackets */
-+static int num_packets = 10;
-+
-+static struct pattern_cache {
-+ char * regex_string;
-+ regexp * pattern;
-+ struct pattern_cache * next;
-+} * first_pattern_cache = NULL;
-+
-+DEFINE_SPINLOCK(l7_lock);
-+
-+static int total_acct_packets(struct nf_conn *ct)
-+{
-+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 26)
-+ BUG_ON(ct == NULL);
-+ return (ct->counters[IP_CT_DIR_ORIGINAL].packets + ct->counters[IP_CT_DIR_REPLY].packets);
-+#else
-+ struct nf_conn_counter *acct;
-+
-+ BUG_ON(ct == NULL);
-+ acct = nf_conn_acct_find(ct);
-+ if (!acct)
-+ return 0;
-+ return (atomic64_read(&acct[IP_CT_DIR_ORIGINAL].packets) + atomic64_read(&acct[IP_CT_DIR_REPLY].packets));
-+#endif
-+}
-+
-+#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
-+/* Converts an unfriendly string into a friendly one by
-+replacing unprintables with periods and all whitespace with " ". */
-+static char * friendly_print(unsigned char * s)
-+{
-+ char * f = kmalloc(strlen(s) + 1, GFP_ATOMIC);
-+ int i;
-+
-+ if(!f) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "friendly_print, bailing.\n");
-+ return NULL;
-+ }
-+
-+ for(i = 0; i < strlen(s); i++){
-+ if(isprint(s[i]) && s[i] < 128) f[i] = s[i];
-+ else if(isspace(s[i])) f[i] = ' ';
-+ else f[i] = '.';
-+ }
-+ f[i] = '\0';
-+ return f;
-+}
-+
-+static char dec2hex(int i)
-+{
-+ switch (i) {
-+ case 0 ... 9:
-+ return (i + '0');
-+ break;
-+ case 10 ... 15:
-+ return (i - 10 + 'a');
-+ break;
-+ default:
-+ if (net_ratelimit())
-+ printk("layer7: Problem in dec2hex\n");
-+ return '\0';
-+ }
-+}
-+
-+static char * hex_print(unsigned char * s)
-+{
-+ char * g = kmalloc(strlen(s)*3 + 1, GFP_ATOMIC);
-+ int i;
-+
-+ if(!g) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in hex_print, "
-+ "bailing.\n");
-+ return NULL;
-+ }
-+
-+ for(i = 0; i < strlen(s); i++) {
-+ g[i*3 ] = dec2hex(s[i]/16);
-+ g[i*3 + 1] = dec2hex(s[i]%16);
-+ g[i*3 + 2] = ' ';
-+ }
-+ g[i*3] = '\0';
-+
-+ return g;
-+}
-+#endif // DEBUG
-+
-+/* Use instead of regcomp. As we expect to be seeing the same regexps over and
-+over again, it make sense to cache the results. */
-+static regexp * compile_and_cache(const char * regex_string,
-+ const char * protocol)
-+{
-+ struct pattern_cache * node = first_pattern_cache;
-+ struct pattern_cache * last_pattern_cache = first_pattern_cache;
-+ struct pattern_cache * tmp;
-+ unsigned int len;
-+
-+ while (node != NULL) {
-+ if (!strcmp(node->regex_string, regex_string))
-+ return node->pattern;
-+
-+ last_pattern_cache = node;/* points at the last non-NULL node */
-+ node = node->next;
-+ }
-+
-+ /* If we reach the end of the list, then we have not yet cached
-+ the pattern for this regex. Let's do that now.
-+ Be paranoid about running out of memory to avoid list corruption. */
-+ tmp = kmalloc(sizeof(struct pattern_cache), GFP_ATOMIC);
-+
-+ if(!tmp) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "compile_and_cache, bailing.\n");
-+ return NULL;
-+ }
-+
-+ tmp->regex_string = kmalloc(strlen(regex_string) + 1, GFP_ATOMIC);
-+ tmp->pattern = kmalloc(sizeof(struct regexp), GFP_ATOMIC);
-+ tmp->next = NULL;
-+
-+ if(!tmp->regex_string || !tmp->pattern) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "compile_and_cache, bailing.\n");
-+ kfree(tmp->regex_string);
-+ kfree(tmp->pattern);
-+ kfree(tmp);
-+ return NULL;
-+ }
-+
-+ /* Ok. The new node is all ready now. */
-+ node = tmp;
-+
-+ if(first_pattern_cache == NULL) /* list is empty */
-+ first_pattern_cache = node; /* make node the beginning */
-+ else
-+ last_pattern_cache->next = node; /* attach node to the end */
-+
-+ /* copy the string and compile the regex */
-+ len = strlen(regex_string);
-+ DPRINTK("About to compile this: \"%s\"\n", regex_string);
-+ node->pattern = regcomp((char *)regex_string, &len);
-+ if ( !node->pattern ) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: Error compiling regexp "
-+ "\"%s\" (%s)\n",
-+ regex_string, protocol);
-+ /* pattern is now cached as NULL, so we won't try again. */
-+ }
-+
-+ strcpy(node->regex_string, regex_string);
-+ return node->pattern;
-+}
-+
-+static int can_handle(const struct sk_buff *skb)
-+{
-+ if(!ip_hdr(skb)) /* not IP */
-+ return 0;
-+ if(ip_hdr(skb)->protocol != IPPROTO_TCP &&
-+ ip_hdr(skb)->protocol != IPPROTO_UDP &&
-+ ip_hdr(skb)->protocol != IPPROTO_ICMP)
-+ return 0;
-+ return 1;
-+}
-+
-+/* Returns offset the into the skb->data that the application data starts */
-+static int app_data_offset(const struct sk_buff *skb)
-+{
-+ /* 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 = 4*ip_hdr(skb)->ihl;
-+
-+ if( ip_hdr(skb)->protocol == IPPROTO_TCP ) {
-+ /* 12 == offset into TCP header for the header length field.
-+ Can't get this with skb->h.th->doff because the tcphdr
-+ struct doesn't get set when routing (this is confirmed to be
-+ true in Netfilter as well as QoS.) */
-+ int tcp_hl = 4*(skb->data[ip_hl + 12] >> 4);
-+
-+ return ip_hl + tcp_hl;
-+ } else if( ip_hdr(skb)->protocol == IPPROTO_UDP ) {
-+ return ip_hl + 8; /* UDP header is always 8 bytes */
-+ } else if( ip_hdr(skb)->protocol == IPPROTO_ICMP ) {
-+ return ip_hl + 8; /* ICMP header is 8 bytes */
-+ } else {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: tried to handle unknown "
-+ "protocol!\n");
-+ return ip_hl + 8; /* something reasonable */
-+ }
-+}
-+
-+/* handles whether there's a match when we aren't appending data anymore */
-+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,
-+ const struct xt_layer7_info * info)
-+{
-+ /* If we're in here, throw the app data away */
-+ if(master_conntrack->layer7.app_data != NULL) {
-+
-+ #ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
-+ 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 "
-+ "(%d packets):\n%s\n",
-+ strlen(f), total_acct_packets(master_conntrack), f);
-+ kfree(f);
-+ DPRINTK("In hex: %s\n", g);
-+ kfree(g);
-+ }
-+ #endif
-+
-+ kfree(master_conntrack->layer7.app_data);
-+ master_conntrack->layer7.app_data = NULL; /* don't free again */
-+ }
-+
-+ if(master_conntrack->layer7.app_proto){
-+ /* Here child connections set their .app_proto (for /proc) */
-+ if(!conntrack->layer7.app_proto) {
-+ conntrack->layer7.app_proto =
-+ kmalloc(strlen(master_conntrack->layer7.app_proto)+1,
-+ GFP_ATOMIC);
-+ if(!conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory "
-+ "in match_no_append, "
-+ "bailing.\n");
-+ return 1;
-+ }
-+ strcpy(conntrack->layer7.app_proto,
-+ master_conntrack->layer7.app_proto);
-+ }
-+
-+ return (!strcmp(master_conntrack->layer7.app_proto,
-+ info->protocol));
-+ }
-+ else {
-+ /* If not classified, set to "unknown" to distinguish from
-+ connections that are still being tested. */
-+ master_conntrack->layer7.app_proto =
-+ kmalloc(strlen("unknown")+1, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match_no_append, bailing.\n");
-+ return 1;
-+ }
-+ strcpy(master_conntrack->layer7.app_proto, "unknown");
-+ return 0;
-+ }
-+}
-+
-+/* 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)
-+{
-+ 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-oldlength-1 &&
-+ i < appdatalen; i++) {
-+ if(app_data[i] != '\0') {
-+ /* the kernel version of tolower mungs 'upper ascii' */
-+ master_conntrack->layer7.app_data[length+oldlength] =
-+ isascii(app_data[i])?
-+ tolower(app_data[i]) : app_data[i];
-+ length++;
-+ }
-+ }
-+
-+ master_conntrack->layer7.app_data[length+oldlength] = '\0';
-+ master_conntrack->layer7.app_data_len = length + oldlength;
-+
-+ return length;
-+}
-+
-+/* taken from drivers/video/modedb.c */
-+static int my_atoi(const char *s)
-+{
-+ int val = 0;
-+
-+ for (;; s++) {
-+ switch (*s) {
-+ case '0'...'9':
-+ val = 10*val+(*s-'0');
-+ break;
-+ default:
-+ return val;
-+ }
-+ }
-+}
-+
-+/* write out num_packets to userland. */
-+static int layer7_read_proc(char* page, char ** start, off_t off, int count,
-+ int* eof, void * data)
-+{
-+ if(num_packets > 99 && net_ratelimit())
-+ printk(KERN_ERR "layer7: NOT REACHED. num_packets too big\n");
-+
-+ page[0] = num_packets/10 + '0';
-+ page[1] = num_packets%10 + '0';
-+ page[2] = '\n';
-+ page[3] = '\0';
-+
-+ *eof=1;
-+
-+ return 3;
-+}
-+
-+/* Read in num_packets from userland */
-+static int layer7_write_proc(struct file* file, const char* buffer,
-+ unsigned long count, void *data)
-+{
-+ char * foo = kmalloc(count, GFP_ATOMIC);
-+
-+ if(!foo){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory, bailing. "
-+ "num_packets unchanged.\n");
-+ return count;
-+ }
-+
-+ if(copy_from_user(foo, buffer, count)) {
-+ return -EFAULT;
-+ }
-+
-+
-+ num_packets = my_atoi(foo);
-+ kfree (foo);
-+
-+ /* This has an arbitrary limit to make the math easier. I'm lazy.
-+ But anyway, 99 is a LOT! If you want more, you're doing it wrong! */
-+ if(num_packets > 99) {
-+ printk(KERN_WARNING "layer7: num_packets can't be > 99.\n");
-+ num_packets = 99;
-+ } else if(num_packets < 1) {
-+ printk(KERN_WARNING "layer7: num_packets can't be < 1.\n");
-+ num_packets = 1;
-+ }
-+
-+ return count;
-+}
-+
-+static bool
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
-+match(const struct sk_buff *skbin, const struct xt_match_param *par)
-+#else
-+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,
-+ bool *hotdrop)
-+#endif
-+{
-+ /* sidestep const without getting a compiler warning... */
-+ struct sk_buff * skb = (struct sk_buff *)skbin;
-+
-+ const struct xt_layer7_info * info =
-+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
-+ par->matchinfo;
-+ #else
-+ matchinfo;
-+ #endif
-+
-+ enum ip_conntrack_info master_ctinfo, ctinfo;
-+ struct nf_conn *master_conntrack, *conntrack;
-+ unsigned char * app_data;
-+ unsigned int pattern_result, appdatalen;
-+ regexp * comppattern;
-+
-+ /* Be paranoid/incompetent - lock the entire match function. */
-+ spin_lock_bh(&l7_lock);
-+
-+ if(!can_handle(skb)){
-+ DPRINTK("layer7: This is some protocol I can't handle.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ /* 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 = nf_ct_get(skb, &ctinfo)) ||
-+ !(master_conntrack=nf_ct_get(skb,&master_ctinfo))){
-+ DPRINTK("layer7: couldn't get conntrack.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ /* Try to get a master conntrack (and its master etc) for FTP, etc. */
-+ while (master_ct(master_conntrack) != NULL)
-+ master_conntrack = master_ct(master_conntrack);
-+
-+ /* if we've classified it or seen too many packets */
-+ if(total_acct_packets(master_conntrack) > num_packets ||
-+ master_conntrack->layer7.app_proto) {
-+
-+ pattern_result = match_no_append(conntrack, master_conntrack,
-+ ctinfo, master_ctinfo, info);
-+
-+ /* 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. */
-+ skb->cb[0] = 1; /* marking it seen here's probably irrelevant */
-+
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+ }
-+
-+ if(skb_is_nonlinear(skb)){
-+ if(skb_linearize(skb) != 0){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: failed to linearize "
-+ "packet, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+ }
-+
-+ /* now that the skb is linearized, it's safe to set these. */
-+ app_data = skb->data + app_data_offset(skb);
-+ appdatalen = skb_tail_pointer(skb) - app_data;
-+
-+ /* the return value gets checked later, when we're ready to use it */
-+ comppattern = compile_and_cache(info->pattern, info->protocol);
-+
-+ /* On the first packet of a connection, allocate space for app data */
-+ if(total_acct_packets(master_conntrack) == 1 && !skb->cb[0] &&
-+ !master_conntrack->layer7.app_data){
-+ master_conntrack->layer7.app_data =
-+ kmalloc(maxdatalen, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_data){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ master_conntrack->layer7.app_data[0] = '\0';
-+ }
-+
-+ /* Can be here, but unallocated, if numpackets is increased near
-+ the beginning of a connection */
-+ if(master_conntrack->layer7.app_data == NULL){
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert; /* unmatched */
-+ }
-+
-+ if(!skb->cb[0]){
-+ int newbytes;
-+ newbytes = add_data(master_conntrack, app_data, appdatalen);
-+
-+ if(newbytes == 0) { /* didn't add any data */
-+ skb->cb[0] = 1;
-+ /* Didn't match before, not going to match now */
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+ }
-+
-+ /* If looking for "unknown", then never match. "Unknown" means that
-+ we've given up; we're still trying with these packets. */
-+ 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_acct_packets(master_conntrack), 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);
-+ pattern_result = 1;
-+ } else pattern_result = 0;
-+
-+ if(pattern_result == 1) {
-+ master_conntrack->layer7.app_proto =
-+ kmalloc(strlen(info->protocol)+1, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+ }
-+ strcpy(master_conntrack->layer7.app_proto, info->protocol);
-+ } else if(pattern_result > 1) { /* cleanup from "unset" */
-+ pattern_result = 1;
-+ }
-+
-+ /* mark the packet seen */
-+ skb->cb[0] = 1;
-+
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+}
-+
-+// load nf_conntrack_ipv4
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
-+static bool check(const struct xt_mtchk_param *par)
-+{
-+ if (nf_ct_l3proto_try_module_get(par->match->family) < 0) {
-+ printk(KERN_WARNING "can't load conntrack support for "
-+ "proto=%d\n", par->match->family);
-+#else
-+static bool check(const char *tablename, const void *inf,
-+ const struct xt_match *match, void *matchinfo,
-+ unsigned int hook_mask)
-+{
-+ if (nf_ct_l3proto_try_module_get(match->family) < 0) {
-+ printk(KERN_WARNING "can't load conntrack support for "
-+ "proto=%d\n", match->family);
-+#endif
-+ return 0;
-+ }
-+ return 1;
-+}
-+
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
-+ static void destroy(const struct xt_mtdtor_param *par)
-+ {
-+ nf_ct_l3proto_module_put(par->match->family);
-+ }
-+#else
-+ static void destroy(const struct xt_match *match, void *matchinfo)
-+ {
-+ nf_ct_l3proto_module_put(match->family);
-+ }
-+#endif
-+
-+static struct xt_match xt_layer7_match[] __read_mostly = {
-+{
-+ .name = "layer7",
-+ .family = AF_INET,
-+ .checkentry = check,
-+ .match = match,
-+ .destroy = destroy,
-+ .matchsize = sizeof(struct xt_layer7_info),
-+ .me = THIS_MODULE
-+}
-+};
-+
-+static void layer7_cleanup_proc(void)
-+{
-+ remove_proc_entry("layer7_numpackets", init_net.proc_net);
-+}
-+
-+/* register the proc file */
-+static void layer7_init_proc(void)
-+{
-+ struct proc_dir_entry* entry;
-+ entry = create_proc_entry("layer7_numpackets", 0644, init_net.proc_net);
-+ entry->read_proc = layer7_read_proc;
-+ entry->write_proc = layer7_write_proc;
-+}
-+
-+static int __init xt_layer7_init(void)
-+{
-+ need_conntrack();
-+
-+ layer7_init_proc();
-+ if(maxdatalen < 1) {
-+ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, "
-+ "using 1\n");
-+ maxdatalen = 1;
-+ }
-+ /* This is not a hard limit. It's just here to prevent people from
-+ bringing their slow machines to a grinding halt. */
-+ else if(maxdatalen > 65536) {
-+ printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, "
-+ "using 65536\n");
-+ maxdatalen = 65536;
-+ }
-+ return xt_register_matches(xt_layer7_match,
-+ ARRAY_SIZE(xt_layer7_match));
-+}
-+
-+static void __exit xt_layer7_fini(void)
-+{
-+ layer7_cleanup_proc();
-+ xt_unregister_matches(xt_layer7_match, ARRAY_SIZE(xt_layer7_match));
-+}
-+
-+module_init(xt_layer7_init);
-+module_exit(xt_layer7_fini);
---- /dev/null
-+++ b/net/netfilter/regexp/regexp.c
-@@ -0,0 +1,1197 @@
-+/*
-+ * regcomp and regexec -- regsub and regerror are elsewhere
-+ * @(#)regexp.c 1.3 of 18 April 87
-+ *
-+ * Copyright (c) 1986 by University of Toronto.
-+ * Written by Henry Spencer. Not derived from licensed software.
-+ *
-+ * Permission is granted to anyone to use this software for any
-+ * purpose on any computer system, and to redistribute it freely,
-+ * subject to the following restrictions:
-+ *
-+ * 1. The author is not responsible for the consequences of use of
-+ * this software, no matter how awful, even if they arise
-+ * from defects in it.
-+ *
-+ * 2. The origin of this software must not be misrepresented, either
-+ * by explicit claim or by omission.
-+ *
-+ * 3. Altered versions must be plainly marked as such, and must not
-+ * be misrepresented as being the original software.
-+ *
-+ * Beware that some of this code is subtly aware of the way operator
-+ * precedence is structured in regular expressions. Serious changes in
-+ * regular-expression syntax might require a total rethink.
-+ *
-+ * This code was modified by Ethan Sommer to work within the kernel
-+ * (it now uses kmalloc etc..)
-+ *
-+ * Modified slightly by Matthew Strait to use more modern C.
-+ */
-+
-+#include "regexp.h"
-+#include "regmagic.h"
-+
-+/* added by ethan and matt. Lets it work in both kernel and user space.
-+(So iptables can use it, for instance.) Yea, it goes both ways... */
-+#if __KERNEL__
-+ #define malloc(foo) kmalloc(foo,GFP_ATOMIC)
-+#else
-+ #define printk(format,args...) printf(format,##args)
-+#endif
-+
-+void regerror(char * s)
-+{
-+ printk("<3>Regexp: %s\n", s);
-+ /* NOTREACHED */
-+}
-+
-+/*
-+ * The "internal use only" fields in regexp.h are present to pass info from
-+ * compile to execute that permits the execute phase to run lots faster on
-+ * simple cases. They are:
-+ *
-+ * regstart char that must begin a match; '\0' if none obvious
-+ * reganch is the match anchored (at beginning-of-line only)?
-+ * regmust string (pointer into program) that match must include, or NULL
-+ * regmlen length of regmust string
-+ *
-+ * Regstart and reganch permit very fast decisions on suitable starting points
-+ * for a match, cutting down the work a lot. Regmust permits fast rejection
-+ * of lines that cannot possibly match. The regmust tests are costly enough
-+ * that regcomp() supplies a regmust only if the r.e. contains something
-+ * potentially expensive (at present, the only such thing detected is * or +
-+ * at the start of the r.e., which can involve a lot of backup). Regmlen is
-+ * supplied because the test in regexec() needs it and regcomp() is computing
-+ * it anyway.
-+ */
-+
-+/*
-+ * Structure for regexp "program". This is essentially a linear encoding
-+ * of a nondeterministic finite-state machine (aka syntax charts or
-+ * "railroad normal form" in parsing technology). Each node is an opcode
-+ * plus a "next" pointer, possibly plus an operand. "Next" pointers of
-+ * all nodes except BRANCH implement concatenation; a "next" pointer with
-+ * a BRANCH on both ends of it is connecting two alternatives. (Here we
-+ * have one of the subtle syntax dependencies: an individual BRANCH (as
-+ * opposed to a collection of them) is never concatenated with anything
-+ * because of operator precedence.) The operand of some types of node is
-+ * a literal string; for others, it is a node leading into a sub-FSM. In
-+ * particular, the operand of a BRANCH node is the first node of the branch.
-+ * (NB this is *not* a tree structure: the tail of the branch connects
-+ * to the thing following the set of BRANCHes.) The opcodes are:
-+ */
-+
-+/* definition number opnd? meaning */
-+#define END 0 /* no End of program. */
-+#define BOL 1 /* no Match "" at beginning of line. */
-+#define EOL 2 /* no Match "" at end of line. */
-+#define ANY 3 /* no Match any one character. */
-+#define ANYOF 4 /* str Match any character in this string. */
-+#define ANYBUT 5 /* str Match any character not in this string. */
-+#define BRANCH 6 /* node Match this alternative, or the next... */
-+#define BACK 7 /* no Match "", "next" ptr points backward. */
-+#define EXACTLY 8 /* str Match this string. */
-+#define NOTHING 9 /* no Match empty string. */
-+#define STAR 10 /* node Match this (simple) thing 0 or more times. */
-+#define PLUS 11 /* node Match this (simple) thing 1 or more times. */
-+#define OPEN 20 /* no Mark this point in input as start of #n. */
-+ /* OPEN+1 is number 1, etc. */
-+#define CLOSE 30 /* no Analogous to OPEN. */
-+
-+/*
-+ * Opcode notes:
-+ *
-+ * BRANCH The set of branches constituting a single choice are hooked
-+ * together with their "next" pointers, since precedence prevents
-+ * anything being concatenated to any individual branch. The
-+ * "next" pointer of the last BRANCH in a choice points to the
-+ * thing following the whole choice. This is also where the
-+ * final "next" pointer of each individual branch points; each
-+ * branch starts with the operand node of a BRANCH node.
-+ *
-+ * BACK Normal "next" pointers all implicitly point forward; BACK
-+ * exists to make loop structures possible.
-+ *
-+ * STAR,PLUS '?', and complex '*' and '+', are implemented as circular
-+ * BRANCH structures using BACK. Simple cases (one character
-+ * per match) are implemented with STAR and PLUS for speed
-+ * and to minimize recursive plunges.
-+ *
-+ * OPEN,CLOSE ...are numbered at compile time.
-+ */
-+
-+/*
-+ * A node is one char of opcode followed by two chars of "next" pointer.
-+ * "Next" pointers are stored as two 8-bit pieces, high order first. The
-+ * value is a positive offset from the opcode of the node containing it.
-+ * An operand, if any, simply follows the node. (Note that much of the
-+ * code generation knows about this implicit relationship.)
-+ *
-+ * Using two bytes for the "next" pointer is vast overkill for most things,
-+ * but allows patterns to get big without disasters.
-+ */
-+#define OP(p) (*(p))
-+#define NEXT(p) (((*((p)+1)&0377)<<8) + (*((p)+2)&0377))
-+#define OPERAND(p) ((p) + 3)
-+
-+/*
-+ * See regmagic.h for one further detail of program structure.
-+ */
-+
-+
-+/*
-+ * Utility definitions.
-+ */
-+#ifndef CHARBITS
-+#define UCHARAT(p) ((int)*(unsigned char *)(p))
-+#else
-+#define UCHARAT(p) ((int)*(p)&CHARBITS)
-+#endif
-+
-+#define FAIL(m) { regerror(m); return(NULL); }
-+#define ISMULT(c) ((c) == '*' || (c) == '+' || (c) == '?')
-+#define META "^$.[()|?+*\\"
-+
-+/*
-+ * Flags to be passed up and down.
-+ */
-+#define HASWIDTH 01 /* Known never to match null string. */
-+#define SIMPLE 02 /* Simple enough to be STAR/PLUS operand. */
-+#define SPSTART 04 /* Starts with * or +. */
-+#define WORST 0 /* Worst case. */
-+
-+/*
-+ * Global work variables for regcomp().
-+ */
-+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.
-+ */
-+#ifndef STATIC
-+#define STATIC static
-+#endif
-+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)
-+{
-+ char *scan1;
-+ char *scan2;
-+ int count;
-+
-+ count = 0;
-+ for (scan1 = (char *)s1; *scan1 != '\0'; scan1++) {
-+ for (scan2 = (char *)s2; *scan2 != '\0';) /* ++ moved down. */
-+ if (*scan1 == *scan2++)
-+ return(count);
-+ count++;
-+ }
-+ return(count);
-+}
-+
-+/*
-+ - regcomp - compile a regular expression into internal code
-+ *
-+ * We can't allocate space until we know how big the compiled form will be,
-+ * but we can't compile it (and thus know how big it is) until we've got a
-+ * place to put the code. So we cheat: we compile it twice, once with code
-+ * generation turned off and size counting turned on, and once "for real".
-+ * This also means that we don't allocate space until we are sure that the
-+ * thing really will compile successfully, and we never have to move the
-+ * code and thus invalidate pointers into it. (Note that it has to be in
-+ * one piece because free() must be able to free it all.)
-+ *
-+ * Beware that the optimization-preparation code in here knows about some
-+ * of the structure of the compiled regexp.
-+ */
-+regexp *
-+regcomp(char *exp,int *patternsize)
-+{
-+ register regexp *r;
-+ register char *scan;
-+ register char *longest;
-+ register int len;
-+ int flags;
-+ struct match_globals g;
-+
-+ /* commented out by ethan
-+ extern char *malloc();
-+ */
-+
-+ if (exp == NULL)
-+ FAIL("NULL argument");
-+
-+ /* First pass: determine size, legality. */
-+ 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 (g.regsize >= 32767L) /* Probably could be 65535L. */
-+ FAIL("regexp too big");
-+
-+ /* Allocate space. */
-+ *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. */
-+ 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. */
-+ r->regstart = '\0'; /* Worst-case defaults. */
-+ r->reganch = 0;
-+ r->regmust = NULL;
-+ r->regmlen = 0;
-+ scan = r->program+1; /* First BRANCH. */
-+ if (OP(regnext(&g, scan)) == END) { /* Only one top-level choice. */
-+ scan = OPERAND(scan);
-+
-+ /* Starting-point info. */
-+ if (OP(scan) == EXACTLY)
-+ r->regstart = *OPERAND(scan);
-+ else if (OP(scan) == BOL)
-+ r->reganch++;
-+
-+ /*
-+ * If there's something expensive in the r.e., find the
-+ * longest literal string that must appear and make it the
-+ * regmust. Resolve ties in favor of later strings, since
-+ * the regstart check works with the beginning of the r.e.
-+ * and avoiding duplication strengthens checking. Not a
-+ * strong reason, but sufficient in the absence of others.
-+ */
-+ if (flags&SPSTART) {
-+ longest = NULL;
-+ len = 0;
-+ for (; scan != NULL; scan = regnext(&g, scan))
-+ if (OP(scan) == EXACTLY && strlen(OPERAND(scan)) >= len) {
-+ longest = OPERAND(scan);
-+ len = strlen(OPERAND(scan));
-+ }
-+ r->regmust = longest;
-+ r->regmlen = len;
-+ }
-+ }
-+
-+ return(r);
-+}
-+
-+/*
-+ - reg - regular expression, i.e. main body or parenthesized thing
-+ *
-+ * Caller must absorb opening parenthesis.
-+ *
-+ * Combining parenthesis handling with the base level of regular expression
-+ * is a trifle forced, but the need to tie the tails of the branches to what
-+ * follows makes it hard to avoid.
-+ */
-+static char *
-+reg(struct match_globals *g, int paren, int *flagp /* Parenthesized? */ )
-+{
-+ register char *ret;
-+ register char *br;
-+ register char *ender;
-+ register int parno = 0; /* 0 makes gcc happy */
-+ int flags;
-+
-+ *flagp = HASWIDTH; /* Tentatively. */
-+
-+ /* Make an OPEN node, if parenthesized. */
-+ if (paren) {
-+ if (g->regnpar >= NSUBEXP)
-+ FAIL("too many ()");
-+ parno = g->regnpar;
-+ g->regnpar++;
-+ ret = regnode(g, OPEN+parno);
-+ } else
-+ ret = NULL;
-+
-+ /* Pick up the branches, linking them together. */
-+ br = regbranch(g, &flags);
-+ if (br == NULL)
-+ return(NULL);
-+ if (ret != NULL)
-+ regtail(g, ret, br); /* OPEN -> first. */
-+ else
-+ ret = br;
-+ if (!(flags&HASWIDTH))
-+ *flagp &= ~HASWIDTH;
-+ *flagp |= flags&SPSTART;
-+ while (*g->regparse == '|') {
-+ g->regparse++;
-+ br = regbranch(g, &flags);
-+ if (br == NULL)
-+ return(NULL);
-+ 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(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(g, br))
-+ regoptail(g, br, ender);
-+
-+ /* Check for proper termination. */
-+ if (paren && *g->regparse++ != ')') {
-+ FAIL("unmatched ()");
-+ } else if (!paren && *g->regparse != '\0') {
-+ if (*g->regparse == ')') {
-+ FAIL("unmatched ()");
-+ } else
-+ FAIL("junk on end"); /* "Can't happen". */
-+ /* NOTREACHED */
-+ }
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regbranch - one alternative of an | operator
-+ *
-+ * Implements the concatenation operator.
-+ */
-+static char *
-+regbranch(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ register char *chain;
-+ register char *latest;
-+ int flags;
-+
-+ *flagp = WORST; /* Tentatively. */
-+
-+ ret = regnode(g, BRANCH);
-+ chain = NULL;
-+ 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(g, chain, latest);
-+ chain = latest;
-+ }
-+ if (chain == NULL) /* Loop ran zero times. */
-+ (void) regnode(g, NOTHING);
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regpiece - something followed by possible [*+?]
-+ *
-+ * Note that the branching code sequences used for ? and the general cases
-+ * of * and + are somewhat optimized: they use the same NOTHING node as
-+ * both the endmarker for their branch list and the body of the last branch.
-+ * It might seem that this node could be dispensed with entirely, but the
-+ * endmarker role is not redundant.
-+ */
-+static char *
-+regpiece(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ register char op;
-+ register char *next;
-+ int flags;
-+
-+ ret = regatom(g, &flags);
-+ if (ret == NULL)
-+ return(NULL);
-+
-+ op = *g->regparse;
-+ if (!ISMULT(op)) {
-+ *flagp = flags;
-+ return(ret);
-+ }
-+
-+ if (!(flags&HASWIDTH) && op != '?')
-+ FAIL("*+ operand could be empty");
-+ *flagp = (op != '+') ? (WORST|SPSTART) : (WORST|HASWIDTH);
-+
-+ if (op == '*' && (flags&SIMPLE))
-+ reginsert(g, STAR, ret);
-+ else if (op == '*') {
-+ /* Emit x* as (x&|), where & means "self". */
-+ 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(g, PLUS, ret);
-+ else if (op == '+') {
-+ /* Emit x+ as x(&|), where & means "self". */
-+ 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(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);
-+ }
-+ g->regparse++;
-+ if (ISMULT(*g->regparse))
-+ FAIL("nested *?+");
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regatom - the lowest level
-+ *
-+ * Optimization: gobbles an entire sequence of ordinary characters so that
-+ * it can turn them into a single node, which is smaller to store and
-+ * faster to run. Backslashed characters are exceptions, each becoming a
-+ * separate node; the code is simpler that way and it's not worth fixing.
-+ */
-+static char *
-+regatom(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ int flags;
-+
-+ *flagp = WORST; /* Tentatively. */
-+
-+ switch (*g->regparse++) {
-+ case '^':
-+ ret = regnode(g, BOL);
-+ break;
-+ case '$':
-+ ret = regnode(g, EOL);
-+ break;
-+ case '.':
-+ ret = regnode(g, ANY);
-+ *flagp |= HASWIDTH|SIMPLE;
-+ break;
-+ case '[': {
-+ register int class;
-+ register int classend;
-+
-+ if (*g->regparse == '^') { /* Complement of range. */
-+ ret = regnode(g, ANYBUT);
-+ g->regparse++;
-+ } else
-+ 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(g->regparse-2)+1;
-+ classend = UCHARAT(g->regparse);
-+ if (class > classend+1)
-+ FAIL("invalid [] range");
-+ for (; class <= classend; class++)
-+ regc(g, class);
-+ g->regparse++;
-+ }
-+ } else
-+ regc(g, *g->regparse++);
-+ }
-+ regc(g, '\0');
-+ if (*g->regparse != ']')
-+ FAIL("unmatched []");
-+ g->regparse++;
-+ *flagp |= HASWIDTH|SIMPLE;
-+ }
-+ break;
-+ case '(':
-+ ret = reg(g, 1, &flags);
-+ if (ret == NULL)
-+ return(NULL);
-+ *flagp |= flags&(HASWIDTH|SPSTART);
-+ break;
-+ case '\0':
-+ case '|':
-+ case ')':
-+ FAIL("internal urp"); /* Supposed to be caught earlier. */
-+ break;
-+ case '?':
-+ case '+':
-+ case '*':
-+ FAIL("?+* follows nothing");
-+ break;
-+ case '\\':
-+ if (*g->regparse == '\0')
-+ FAIL("trailing \\");
-+ ret = regnode(g, EXACTLY);
-+ regc(g, *g->regparse++);
-+ regc(g, '\0');
-+ *flagp |= HASWIDTH|SIMPLE;
-+ break;
-+ default: {
-+ register int len;
-+ register char ender;
-+
-+ g->regparse--;
-+ len = my_strcspn((const char *)g->regparse, (const char *)META);
-+ if (len <= 0)
-+ FAIL("internal disaster");
-+ ender = *(g->regparse+len);
-+ if (len > 1 && ISMULT(ender))
-+ len--; /* Back off clear of ?+* operand. */
-+ *flagp |= HASWIDTH;
-+ if (len == 1)
-+ *flagp |= SIMPLE;
-+ ret = regnode(g, EXACTLY);
-+ while (len > 0) {
-+ regc(g, *g->regparse++);
-+ len--;
-+ }
-+ regc(g, '\0');
-+ }
-+ break;
-+ }
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regnode - emit a node
-+ */
-+static char * /* Location. */
-+regnode(struct match_globals *g, char op)
-+{
-+ register char *ret;
-+ register char *ptr;
-+
-+ ret = g->regcode;
-+ if (ret == &g->regdummy) {
-+ g->regsize += 3;
-+ return(ret);
-+ }
-+
-+ ptr = ret;
-+ *ptr++ = op;
-+ *ptr++ = '\0'; /* Null "next" pointer. */
-+ *ptr++ = '\0';
-+ g->regcode = ptr;
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regc - emit (if appropriate) a byte of code
-+ */
-+static void
-+regc(struct match_globals *g, char b)
-+{
-+ if (g->regcode != &g->regdummy)
-+ *g->regcode++ = b;
-+ else
-+ g->regsize++;
-+}
-+
-+/*
-+ - reginsert - insert an operator in front of already-emitted operand
-+ *
-+ * Means relocating the operand.
-+ */
-+static void
-+reginsert(struct match_globals *g, char op, char* opnd)
-+{
-+ register char *src;
-+ register char *dst;
-+ register char *place;
-+
-+ if (g->regcode == &g->regdummy) {
-+ g->regsize += 3;
-+ return;
-+ }
-+
-+ src = g->regcode;
-+ g->regcode += 3;
-+ dst = g->regcode;
-+ while (src > opnd)
-+ *--dst = *--src;
-+
-+ place = opnd; /* Op node, where operand used to be. */
-+ *place++ = op;
-+ *place++ = '\0';
-+ *place++ = '\0';
-+}
-+
-+/*
-+ - regtail - set the next-pointer at the end of a node chain
-+ */
-+static void
-+regtail(struct match_globals *g, char *p, char *val)
-+{
-+ register char *scan;
-+ register char *temp;
-+ register int offset;
-+
-+ if (p == &g->regdummy)
-+ return;
-+
-+ /* Find last node. */
-+ scan = p;
-+ for (;;) {
-+ temp = regnext(g, scan);
-+ if (temp == NULL)
-+ break;
-+ scan = temp;
-+ }
-+
-+ if (OP(scan) == BACK)
-+ offset = scan - val;
-+ else
-+ offset = val - scan;
-+ *(scan+1) = (offset>>8)&0377;
-+ *(scan+2) = offset&0377;
-+}
-+
-+/*
-+ - regoptail - regtail on operand of first argument; nop if operandless
-+ */
-+static void
-+regoptail(struct match_globals *g, char *p, char *val)
-+{
-+ /* "Operandless" and "op != BRANCH" are synonymous in practice. */
-+ if (p == NULL || p == &g->regdummy || OP(p) != BRANCH)
-+ return;
-+ regtail(g, OPERAND(p), val);
-+}
-+
-+/*
-+ * regexec and friends
-+ */
-+
-+
-+/*
-+ * Forwards.
-+ */
-+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;
-+void regdump();
-+STATIC char *regprop(char *op);
-+#endif
-+
-+/*
-+ - regexec - match a regexp against a string
-+ */
-+int
-+regexec(regexp *prog, char *string)
-+{
-+ register char *s;
-+ struct match_globals g;
-+
-+ /* Be paranoid... */
-+ if (prog == NULL || string == NULL) {
-+ printk("<3>Regexp: NULL parameter\n");
-+ return(0);
-+ }
-+
-+ /* Check validity of program. */
-+ if (UCHARAT(prog->program) != MAGIC) {
-+ printk("<3>Regexp: corrupted program\n");
-+ return(0);
-+ }
-+
-+ /* If there is a "must appear" string, look for it. */
-+ if (prog->regmust != NULL) {
-+ s = string;
-+ while ((s = strchr(s, prog->regmust[0])) != NULL) {
-+ if (strncmp(s, prog->regmust, prog->regmlen) == 0)
-+ break; /* Found it. */
-+ s++;
-+ }
-+ if (s == NULL) /* Not present. */
-+ return(0);
-+ }
-+
-+ /* Mark beginning of line for ^ . */
-+ g.regbol = string;
-+
-+ /* Simplest case: anchored match need be tried only once. */
-+ if (prog->reganch)
-+ 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(&g, prog, s))
-+ return(1);
-+ s++;
-+ }
-+ else
-+ /* We don't -- general case. */
-+ do {
-+ if (regtry(&g, prog, s))
-+ return(1);
-+ } while (*s++ != '\0');
-+
-+ /* Failure. */
-+ return(0);
-+}
-+
-+/*
-+ - regtry - try match at specific point
-+ */
-+static int /* 0 failure, 1 success */
-+regtry(struct match_globals *g, regexp *prog, char *string)
-+{
-+ register int i;
-+ register char **sp;
-+ register char **ep;
-+
-+ g->reginput = string;
-+ g->regstartp = prog->startp;
-+ g->regendp = prog->endp;
-+
-+ sp = prog->startp;
-+ ep = prog->endp;
-+ for (i = NSUBEXP; i > 0; i--) {
-+ *sp++ = NULL;
-+ *ep++ = NULL;
-+ }
-+ if (regmatch(g, prog->program + 1)) {
-+ prog->startp[0] = string;
-+ prog->endp[0] = g->reginput;
-+ return(1);
-+ } else
-+ return(0);
-+}
-+
-+/*
-+ - regmatch - main matching routine
-+ *
-+ * Conceptually the strategy is simple: check to see whether the current
-+ * node matches, call self recursively to see whether the rest matches,
-+ * and then act accordingly. In practice we make some effort to avoid
-+ * recursion, in particular by going through "ordinary" nodes (that don't
-+ * need to know whether the rest of the match failed) by a loop instead of
-+ * by recursion.
-+ */
-+static int /* 0 failure, 1 success */
-+regmatch(struct match_globals *g, char *prog)
-+{
-+ register char *scan = prog; /* Current node. */
-+ char *next; /* Next node. */
-+
-+#ifdef DEBUG
-+ if (scan != NULL && regnarrate)
-+ fprintf(stderr, "%s(\n", regprop(scan));
-+#endif
-+ while (scan != NULL) {
-+#ifdef DEBUG
-+ if (regnarrate)
-+ fprintf(stderr, "%s...\n", regprop(scan));
-+#endif
-+ next = regnext(g, scan);
-+
-+ switch (OP(scan)) {
-+ case BOL:
-+ if (g->reginput != g->regbol)
-+ return(0);
-+ break;
-+ case EOL:
-+ if (*g->reginput != '\0')
-+ return(0);
-+ break;
-+ case ANY:
-+ if (*g->reginput == '\0')
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case EXACTLY: {
-+ register int len;
-+ register char *opnd;
-+
-+ opnd = OPERAND(scan);
-+ /* Inline the first character, for speed. */
-+ if (*opnd != *g->reginput)
-+ return(0);
-+ len = strlen(opnd);
-+ if (len > 1 && strncmp(opnd, g->reginput, len) != 0)
-+ return(0);
-+ g->reginput += len;
-+ }
-+ break;
-+ case ANYOF:
-+ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) == NULL)
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case ANYBUT:
-+ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) != NULL)
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case NOTHING:
-+ case BACK:
-+ break;
-+ case OPEN+1:
-+ case OPEN+2:
-+ case OPEN+3:
-+ case OPEN+4:
-+ case OPEN+5:
-+ case OPEN+6:
-+ case OPEN+7:
-+ case OPEN+8:
-+ case OPEN+9: {
-+ register int no;
-+ register char *save;
-+
-+ no = OP(scan) - OPEN;
-+ save = g->reginput;
-+
-+ if (regmatch(g, next)) {
-+ /*
-+ * Don't set startp if some later
-+ * invocation of the same parentheses
-+ * already has.
-+ */
-+ if (g->regstartp[no] == NULL)
-+ g->regstartp[no] = save;
-+ return(1);
-+ } else
-+ return(0);
-+ }
-+ break;
-+ case CLOSE+1:
-+ case CLOSE+2:
-+ case CLOSE+3:
-+ case CLOSE+4:
-+ case CLOSE+5:
-+ case CLOSE+6:
-+ case CLOSE+7:
-+ case CLOSE+8:
-+ case CLOSE+9:
-+ {
-+ register int no;
-+ register char *save;
-+
-+ no = OP(scan) - CLOSE;
-+ save = g->reginput;
-+
-+ if (regmatch(g, next)) {
-+ /*
-+ * Don't set endp if some later
-+ * invocation of the same parentheses
-+ * already has.
-+ */
-+ if (g->regendp[no] == NULL)
-+ g->regendp[no] = save;
-+ return(1);
-+ } else
-+ return(0);
-+ }
-+ break;
-+ case BRANCH: {
-+ register char *save;
-+
-+ if (OP(next) != BRANCH) /* No choice. */
-+ next = OPERAND(scan); /* Avoid recursion. */
-+ else {
-+ do {
-+ save = g->reginput;
-+ if (regmatch(g, OPERAND(scan)))
-+ return(1);
-+ g->reginput = save;
-+ scan = regnext(g, scan);
-+ } while (scan != NULL && OP(scan) == BRANCH);
-+ return(0);
-+ /* NOTREACHED */
-+ }
-+ }
-+ break;
-+ case STAR:
-+ case PLUS: {
-+ register char nextch;
-+ register int no;
-+ register char *save;
-+ register int min;
-+
-+ /*
-+ * Lookahead to avoid useless match attempts
-+ * when we know what character comes next.
-+ */
-+ nextch = '\0';
-+ if (OP(next) == EXACTLY)
-+ nextch = *OPERAND(next);
-+ min = (OP(scan) == STAR) ? 0 : 1;
-+ save = g->reginput;
-+ no = regrepeat(g, OPERAND(scan));
-+ while (no >= min) {
-+ /* If it could work, try it. */
-+ if (nextch == '\0' || *g->reginput == nextch)
-+ if (regmatch(g, next))
-+ return(1);
-+ /* Couldn't or didn't -- back up. */
-+ no--;
-+ g->reginput = save + no;
-+ }
-+ return(0);
-+ }
-+ break;
-+ case END:
-+ return(1); /* Success! */
-+ break;
-+ default:
-+ printk("<3>Regexp: memory corruption\n");
-+ return(0);
-+ break;
-+ }
-+
-+ scan = next;
-+ }
-+
-+ /*
-+ * We get here only if there's trouble -- normally "case END" is
-+ * the terminating point.
-+ */
-+ printk("<3>Regexp: corrupted pointers\n");
-+ return(0);
-+}
-+
-+/*
-+ - regrepeat - repeatedly match something simple, report how many
-+ */
-+static int
-+regrepeat(struct match_globals *g, char *p)
-+{
-+ register int count = 0;
-+ register char *scan;
-+ register char *opnd;
-+
-+ scan = g->reginput;
-+ opnd = OPERAND(p);
-+ switch (OP(p)) {
-+ case ANY:
-+ count = strlen(scan);
-+ scan += count;
-+ break;
-+ case EXACTLY:
-+ while (*opnd == *scan) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ case ANYOF:
-+ while (*scan != '\0' && strchr(opnd, *scan) != NULL) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ case ANYBUT:
-+ while (*scan != '\0' && strchr(opnd, *scan) == NULL) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ default: /* Oh dear. Called inappropriately. */
-+ printk("<3>Regexp: internal foulup\n");
-+ count = 0; /* Best compromise. */
-+ break;
-+ }
-+ g->reginput = scan;
-+
-+ return(count);
-+}
-+
-+/*
-+ - regnext - dig the "next" pointer out of a node
-+ */
-+static char*
-+regnext(struct match_globals *g, char *p)
-+{
-+ register int offset;
-+
-+ if (p == &g->regdummy)
-+ return(NULL);
-+
-+ offset = NEXT(p);
-+ if (offset == 0)
-+ return(NULL);
-+
-+ if (OP(p) == BACK)
-+ return(p-offset);
-+ else
-+ return(p+offset);
-+}
-+
-+#ifdef DEBUG
-+
-+STATIC char *regprop();
-+
-+/*
-+ - regdump - dump a regexp onto stdout in vaguely comprehensible form
-+ */
-+void
-+regdump(regexp *r)
-+{
-+ register char *s;
-+ register char op = EXACTLY; /* Arbitrary non-END op. */
-+ register char *next;
-+ /* extern char *strchr(); */
-+
-+
-+ s = r->program + 1;
-+ while (op != END) { /* While that wasn't END last time... */
-+ op = OP(s);
-+ printf("%2d%s", s-r->program, regprop(s)); /* Where, what. */
-+ next = regnext(s);
-+ if (next == NULL) /* Next ptr. */
-+ printf("(0)");
-+ else
-+ printf("(%d)", (s-r->program)+(next-s));
-+ s += 3;
-+ if (op == ANYOF || op == ANYBUT || op == EXACTLY) {
-+ /* Literal string, where present. */
-+ while (*s != '\0') {
-+ putchar(*s);
-+ s++;
-+ }
-+ s++;
-+ }
-+ putchar('\n');
-+ }
-+
-+ /* Header fields of interest. */
-+ if (r->regstart != '\0')
-+ printf("start `%c' ", r->regstart);
-+ if (r->reganch)
-+ printf("anchored ");
-+ if (r->regmust != NULL)
-+ printf("must have \"%s\"", r->regmust);
-+ printf("\n");
-+}
-+
-+/*
-+ - regprop - printable representation of opcode
-+ */
-+static char *
-+regprop(char *op)
-+{
-+#define BUFLEN 50
-+ register char *p;
-+ static char buf[BUFLEN];
-+
-+ strcpy(buf, ":");
-+
-+ switch (OP(op)) {
-+ case BOL:
-+ p = "BOL";
-+ break;
-+ case EOL:
-+ p = "EOL";
-+ break;
-+ case ANY:
-+ p = "ANY";
-+ break;
-+ case ANYOF:
-+ p = "ANYOF";
-+ break;
-+ case ANYBUT:
-+ p = "ANYBUT";
-+ break;
-+ case BRANCH:
-+ p = "BRANCH";
-+ break;
-+ case EXACTLY:
-+ p = "EXACTLY";
-+ break;
-+ case NOTHING:
-+ p = "NOTHING";
-+ break;
-+ case BACK:
-+ p = "BACK";
-+ break;
-+ case END:
-+ p = "END";
-+ break;
-+ case OPEN+1:
-+ case OPEN+2:
-+ case OPEN+3:
-+ case OPEN+4:
-+ case OPEN+5:
-+ case OPEN+6:
-+ case OPEN+7:
-+ case OPEN+8:
-+ case OPEN+9:
-+ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "OPEN%d", OP(op)-OPEN);
-+ p = NULL;
-+ break;
-+ case CLOSE+1:
-+ case CLOSE+2:
-+ case CLOSE+3:
-+ case CLOSE+4:
-+ case CLOSE+5:
-+ case CLOSE+6:
-+ case CLOSE+7:
-+ case CLOSE+8:
-+ case CLOSE+9:
-+ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "CLOSE%d", OP(op)-CLOSE);
-+ p = NULL;
-+ break;
-+ case STAR:
-+ p = "STAR";
-+ break;
-+ case PLUS:
-+ p = "PLUS";
-+ break;
-+ default:
-+ printk("<3>Regexp: corrupted opcode\n");
-+ break;
-+ }
-+ if (p != NULL)
-+ strncat(buf, p, BUFLEN-strlen(buf));
-+ return(buf);
-+}
-+#endif
-+
-+
---- /dev/null
-+++ b/net/netfilter/regexp/regexp.h
-@@ -0,0 +1,41 @@
-+/*
-+ * Definitions etc. for regexp(3) routines.
-+ *
-+ * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
-+ * not the System V one.
-+ */
-+
-+#ifndef REGEXP_H
-+#define REGEXP_H
-+
-+
-+/*
-+http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h ,
-+which contains a version of this library, says:
-+
-+ *
-+ * NSUBEXP must be at least 10, and no greater than 117 or the parser
-+ * will not work properly.
-+ *
-+
-+However, it looks rather like this library is limited to 10. If you think
-+otherwise, let us know.
-+*/
-+
-+#define NSUBEXP 10
-+typedef struct regexp {
-+ char *startp[NSUBEXP];
-+ char *endp[NSUBEXP];
-+ char regstart; /* Internal use only. */
-+ char reganch; /* Internal use only. */
-+ char *regmust; /* Internal use only. */
-+ int regmlen; /* Internal use only. */
-+ char program[1]; /* Unwarranted chumminess with compiler. */
-+} regexp;
-+
-+regexp * regcomp(char *exp, int *patternsize);
-+int regexec(regexp *prog, char *string);
-+void regsub(regexp *prog, char *source, char *dest);
-+void regerror(char *s);
-+
-+#endif
---- /dev/null
-+++ b/net/netfilter/regexp/regmagic.h
-@@ -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
---- /dev/null
-+++ b/net/netfilter/regexp/regsub.c
-@@ -0,0 +1,95 @@
-+/*
-+ * regsub
-+ * @(#)regsub.c 1.3 of 2 April 86
-+ *
-+ * Copyright (c) 1986 by University of Toronto.
-+ * Written by Henry Spencer. Not derived from licensed software.
-+ *
-+ * Permission is granted to anyone to use this software for any
-+ * purpose on any computer system, and to redistribute it freely,
-+ * subject to the following restrictions:
-+ *
-+ * 1. The author is not responsible for the consequences of use of
-+ * this software, no matter how awful, even if they arise
-+ * from defects in it.
-+ *
-+ * 2. The origin of this software must not be misrepresented, either
-+ * by explicit claim or by omission.
-+ *
-+ * 3. Altered versions must be plainly marked as such, and must not
-+ * be misrepresented as being the original software.
-+ *
-+ *
-+ * This code was modified by Ethan Sommer to work within the kernel
-+ * (it now uses kmalloc etc..)
-+ *
-+ */
-+#include "regexp.h"
-+#include "regmagic.h"
-+#include <linux/string.h>
-+
-+
-+#ifndef CHARBITS
-+#define UCHARAT(p) ((int)*(unsigned char *)(p))
-+#else
-+#define UCHARAT(p) ((int)*(p)&CHARBITS)
-+#endif
-+
-+#if 0
-+//void regerror(char * s)
-+//{
-+// printk("regexp(3): %s", s);
-+// /* NOTREACHED */
-+//}
-+#endif
-+
-+/*
-+ - regsub - perform substitutions after a regexp match
-+ */
-+void
-+regsub(regexp * prog, char * source, char * dest)
-+{
-+ register char *src;
-+ register char *dst;
-+ register char c;
-+ register int no;
-+ register int len;
-+
-+ /* Not necessary and gcc doesn't like it -MLS */
-+ /*extern char *strncpy();*/
-+
-+ if (prog == NULL || source == NULL || dest == NULL) {
-+ regerror("NULL parm to regsub");
-+ return;
-+ }
-+ if (UCHARAT(prog->program) != MAGIC) {
-+ regerror("damaged regexp fed to regsub");
-+ return;
-+ }
-+
-+ src = source;
-+ dst = dest;
-+ while ((c = *src++) != '\0') {
-+ if (c == '&')
-+ no = 0;
-+ else if (c == '\\' && '0' <= *src && *src <= '9')
-+ no = *src++ - '0';
-+ else
-+ no = -1;
-+
-+ if (no < 0) { /* Ordinary character. */
-+ if (c == '\\' && (*src == '\\' || *src == '&'))
-+ c = *src++;
-+ *dst++ = c;
-+ } else if (prog->startp[no] != NULL && prog->endp[no] != NULL) {
-+ len = prog->endp[no] - prog->startp[no];
-+ (void) strncpy(dst, prog->startp[no], len);
-+ dst += len;
-+ if (len != 0 && *(dst-1) == '\0') { /* strncpy hit NUL. */
-+ regerror("damaged match string");
-+ return;
-+ }
-+ }
-+ }
-+ *dst++ = '\0';
-+}
---- a/net/netfilter/nf_conntrack_core.c
-+++ b/net/netfilter/nf_conntrack_core.c
-@@ -278,6 +278,13 @@ static void nf_ct_del_from_dying_or_unco
- {
- struct ct_pcpu *pcpu;
-
-+#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE)
-+ if(ct->layer7.app_proto)
-+ kfree(ct->layer7.app_proto);
-+ if(ct->layer7.app_data)
-+ kfree(ct->layer7.app_data);
-+#endif
-+
- /* We overload first tuple to link into unconfirmed or dying list.*/
- pcpu = per_cpu_ptr(nf_ct_net(ct)->ct.pcpu_lists, ct->cpu);
-
---- a/net/netfilter/nf_conntrack_standalone.c
-+++ b/net/netfilter/nf_conntrack_standalone.c
-@@ -240,6 +240,12 @@ static int ct_seq_show(struct seq_file *
- if (ct_show_delta_time(s, ct))
- goto release;
-
-+#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE)
-+ if(ct->layer7.app_proto &&
-+ seq_printf(s, "l7proto=%s ", ct->layer7.app_proto))
-+ return -ENOSPC;
-+#endif
-+
- if (seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use)))
- goto release;
-
---- a/include/net/netfilter/nf_conntrack.h
-+++ b/include/net/netfilter/nf_conntrack.h
-@@ -112,6 +112,22 @@ struct nf_conn {
- struct net *ct_net;
- #endif
-
-+#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || \
-+ defined(CONFIG_NETFILTER_XT_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, must be the last member */
- union nf_conntrack_proto proto;
- };
---- /dev/null
-+++ b/include/linux/netfilter/xt_layer7.h
-@@ -0,0 +1,13 @@
-+#ifndef _XT_LAYER7_H
-+#define _XT_LAYER7_H
-+
-+#define MAX_PATTERN_LEN 8192
-+#define MAX_PROTOCOL_LEN 256
-+
-+struct xt_layer7_info {
-+ char protocol[MAX_PROTOCOL_LEN];
-+ char pattern[MAX_PATTERN_LEN];
-+ u_int8_t invert;
-+};
-+
-+#endif /* _XT_LAYER7_H */
---- a/include/uapi/linux/netfilter/Kbuild
-+++ b/include/uapi/linux/netfilter/Kbuild
-@@ -59,6 +59,7 @@ header-y += xt_ipcomp.h
- header-y += xt_iprange.h
- header-y += xt_ipvs.h
- header-y += xt_l2tp.h
-+header-y += xt_layer7.h
- header-y += xt_length.h
- header-y += xt_limit.h
- header-y += xt_mac.h
diff --git a/target/linux/generic/patches-3.18/601-netfilter_layer7_pktmatch.patch b/target/linux/generic/patches-3.18/601-netfilter_layer7_pktmatch.patch
deleted file mode 100644
index f65e301fd1..0000000000
--- a/target/linux/generic/patches-3.18/601-netfilter_layer7_pktmatch.patch
+++ /dev/null
@@ -1,108 +0,0 @@
---- a/include/linux/netfilter/xt_layer7.h
-+++ b/include/linux/netfilter/xt_layer7.h
-@@ -8,6 +8,7 @@ struct xt_layer7_info {
- char protocol[MAX_PROTOCOL_LEN];
- char pattern[MAX_PATTERN_LEN];
- u_int8_t invert;
-+ u_int8_t pkt;
- };
-
- #endif /* _XT_LAYER7_H */
---- a/net/netfilter/xt_layer7.c
-+++ b/net/netfilter/xt_layer7.c
-@@ -314,33 +314,35 @@ static int match_no_append(struct nf_con
- }
-
- /* 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
-- 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') {
- /* the kernel version of tolower mungs 'upper ascii' */
-- master_conntrack->layer7.app_data[length+oldlength] =
-+ target[length+offset] =
- 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 nf_conn * master_conntrack,
-+ char * app_data, int appdatalen)
-+{
-+ int length;
-
-- master_conntrack->layer7.app_data[length+oldlength] = '\0';
-- master_conntrack->layer7.app_data_len = length + oldlength;
-+ 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;
- }
-@@ -438,7 +440,7 @@ match(const struct sk_buff *skbin,
-
- enum ip_conntrack_info master_ctinfo, ctinfo;
- struct nf_conn *master_conntrack, *conntrack;
-- unsigned char * app_data;
-+ unsigned char *app_data, *tmp_data;
- unsigned int pattern_result, appdatalen;
- regexp * comppattern;
-
-@@ -466,8 +468,8 @@ match(const struct sk_buff *skbin,
- master_conntrack = master_ct(master_conntrack);
-
- /* if we've classified it or seen too many packets */
-- if(total_acct_packets(master_conntrack) > num_packets ||
-- master_conntrack->layer7.app_proto) {
-+ if(!info->pkt && (total_acct_packets(master_conntrack) > num_packets ||
-+ master_conntrack->layer7.app_proto)) {
-
- pattern_result = match_no_append(conntrack, master_conntrack,
- ctinfo, master_ctinfo, info);
-@@ -500,6 +502,25 @@ match(const struct sk_buff *skbin,
- /* the return value gets checked later, when we're ready to use it */
- comppattern = compile_and_cache(info->pattern, info->protocol);
-
-+ 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;
-+ spin_unlock_bh(&l7_lock);
-+
-+ return (pattern_result ^ info->invert);
-+ }
-+
- /* On the first packet of a connection, allocate space for app data */
- if(total_acct_packets(master_conntrack) == 1 && !skb->cb[0] &&
- !master_conntrack->layer7.app_data){
diff --git a/target/linux/generic/patches-3.18/602-netfilter_layer7_match.patch b/target/linux/generic/patches-3.18/602-netfilter_layer7_match.patch
deleted file mode 100644
index b2e48c824f..0000000000
--- a/target/linux/generic/patches-3.18/602-netfilter_layer7_match.patch
+++ /dev/null
@@ -1,51 +0,0 @@
---- a/net/netfilter/xt_layer7.c
-+++ b/net/netfilter/xt_layer7.c
-@@ -415,7 +415,9 @@ static int layer7_write_proc(struct file
- }
-
- static bool
--#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
-+match(const struct sk_buff *skbin, struct xt_action_param *par)
-+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
- match(const struct sk_buff *skbin, const struct xt_match_param *par)
- #else
- match(const struct sk_buff *skbin,
-@@ -597,14 +599,19 @@ match(const struct sk_buff *skbin,
- }
-
- // load nf_conntrack_ipv4
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
-+static int
-+#else
-+static bool
-+#endif
- #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
--static bool check(const struct xt_mtchk_param *par)
-+check(const struct xt_mtchk_param *par)
- {
- if (nf_ct_l3proto_try_module_get(par->match->family) < 0) {
- printk(KERN_WARNING "can't load conntrack support for "
- "proto=%d\n", par->match->family);
- #else
--static bool check(const char *tablename, const void *inf,
-+check(const char *tablename, const void *inf,
- const struct xt_match *match, void *matchinfo,
- unsigned int hook_mask)
- {
-@@ -612,9 +619,15 @@ static bool check(const char *tablename,
- printk(KERN_WARNING "can't load conntrack support for "
- "proto=%d\n", match->family);
- #endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
-+ return -EINVAL;
-+ }
-+ return 0;
-+#else
- return 0;
- }
- return 1;
-+#endif
- }
-
-
diff --git a/target/linux/generic/patches-3.18/603-netfilter_layer7_2.6.36_fix.patch b/target/linux/generic/patches-3.18/603-netfilter_layer7_2.6.36_fix.patch
deleted file mode 100644
index 024e37f9bd..0000000000
--- a/target/linux/generic/patches-3.18/603-netfilter_layer7_2.6.36_fix.patch
+++ /dev/null
@@ -1,61 +0,0 @@
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -1187,6 +1187,27 @@ config NETFILTER_XT_MATCH_L2TP
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_MATCH_LAYER7
-+ tristate '"layer7" match support'
-+ depends on EXPERIMENTAL
-+ depends on NETFILTER_XTABLES
-+ depends on NETFILTER_ADVANCED
-+ depends on NF_CONNTRACK
-+ help
-+ Say Y if you want to be able to classify connections (and their
-+ packets) based on regular expression matching of their application
-+ layer data. This is one way to classify applications such as
-+ peer-to-peer filesharing systems that do not always use the same
-+ port.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config NETFILTER_XT_MATCH_LAYER7_DEBUG
-+ bool 'Layer 7 debugging output'
-+ depends on NETFILTER_XT_MATCH_LAYER7
-+ help
-+ Say Y to get lots of debugging output.
-+
- config NETFILTER_XT_MATCH_LENGTH
- tristate '"length" match support'
- depends on NETFILTER_ADVANCED
-@@ -1381,26 +1402,11 @@ config NETFILTER_XT_MATCH_STATE
-
- To compile it as a module, choose M here. If unsure, say N.
-
--config NETFILTER_XT_MATCH_LAYER7
-- tristate '"layer7" match support'
-- depends on NETFILTER_XTABLES
-- depends on EXPERIMENTAL && (IP_NF_CONNTRACK || NF_CONNTRACK)
-- depends on NETFILTER_ADVANCED
-- help
-- Say Y if you want to be able to classify connections (and their
-- packets) based on regular expression matching of their application
-- layer data. This is one way to classify applications such as
-- peer-to-peer filesharing systems that do not always use the same
-- port.
--
-- To compile it as a module, choose M here. If unsure, say N.
--
- config NETFILTER_XT_MATCH_LAYER7_DEBUG
-- bool 'Layer 7 debugging output'
-- depends on NETFILTER_XT_MATCH_LAYER7
-- help
-- Say Y to get lots of debugging output.
--
-+ bool 'Layer 7 debugging output'
-+ depends on NETFILTER_XT_MATCH_LAYER7
-+ help
-+ Say Y to get lots of debugging output.
-
- config NETFILTER_XT_MATCH_STATISTIC
- tristate '"statistic" match support'
diff --git a/target/linux/generic/patches-3.18/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-3.18/610-netfilter_match_bypass_default_checks.patch
index 358d64b1a1..f652dafd18 100644
--- a/target/linux/generic/patches-3.18/610-netfilter_match_bypass_default_checks.patch
+++ b/target/linux/generic/patches-3.18/610-netfilter_match_bypass_default_checks.patch
@@ -76,11 +76,10 @@
counters = alloc_counters(table);
if (IS_ERR(counters))
-@@ -965,6 +994,14 @@ copy_entries_to_user(unsigned int total_
- ret = -EFAULT;
+@@ -966,6 +995,14 @@ copy_entries_to_user(unsigned int total_
goto free_counters;
}
-+
+
+ flags = e->ip.flags & IPT_F_MASK;
+ if (copy_to_user(userptr + off
+ + offsetof(struct ipt_entry, ip.flags),
@@ -88,6 +87,7 @@
+ ret = -EFAULT;
+ goto free_counters;
+ }
-
++
for (i = sizeof(struct ipt_entry);
i < e->target_offset;
+ i += m->u.match_size) {
diff --git a/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch b/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch
index 45f59a2a69..cbb9b2b8bd 100644
--- a/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch
+++ b/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch
@@ -37,7 +37,7 @@
depends on NETFILTER_ADVANCED
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
-@@ -143,6 +143,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) +=
+@@ -143,6 +143,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) +=
obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
diff --git a/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch b/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch
index 3f0dcd3ae2..b1a40152b0 100644
--- a/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch
+++ b/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch
@@ -25,7 +25,7 @@
Ethernet bridge, which means that the different Ethernet segments it
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
-@@ -45,6 +45,7 @@ obj-y += addrconf_core.o exthdrs_core.o
+@@ -45,6 +45,7 @@ obj-y += addrconf_core.o exthdrs_core.o
obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6-offload)
obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o
diff --git a/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch b/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch
index 5acfea6c3a..d870dc5d5f 100644
--- a/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch
+++ b/target/linux/generic/patches-3.18/645-bridge_multicast_to_unicast.patch
@@ -198,7 +198,7 @@
}
#endif
-@@ -1556,6 +1584,7 @@ static int br_multicast_ipv4_rcv(struct
+@@ -1556,6 +1584,7 @@ static int br_multicast_ipv4_rcv(struct
struct sk_buff *skb,
u16 vid)
{
@@ -206,7 +206,7 @@
struct sk_buff *skb2 = skb;
const struct iphdr *iph;
struct igmphdr *ih;
-@@ -1629,7 +1658,7 @@ static int br_multicast_ipv4_rcv(struct
+@@ -1629,7 +1658,7 @@ static int br_multicast_ipv4_rcv(struct
case IGMP_HOST_MEMBERSHIP_REPORT:
case IGMPV2_HOST_MEMBERSHIP_REPORT:
BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
@@ -215,7 +215,7 @@
break;
case IGMPV3_HOST_MEMBERSHIP_REPORT:
err = br_ip4_multicast_igmp3_report(br, port, skb2, vid);
-@@ -1638,7 +1667,7 @@ static int br_multicast_ipv4_rcv(struct
+@@ -1638,7 +1667,7 @@ static int br_multicast_ipv4_rcv(struct
err = br_ip4_multicast_query(br, port, skb2, vid);
break;
case IGMP_HOST_LEAVE_MESSAGE:
@@ -224,7 +224,7 @@
break;
}
-@@ -1656,6 +1685,7 @@ static int br_multicast_ipv6_rcv(struct
+@@ -1656,6 +1685,7 @@ static int br_multicast_ipv6_rcv(struct
struct sk_buff *skb,
u16 vid)
{
@@ -232,7 +232,7 @@
struct sk_buff *skb2;
const struct ipv6hdr *ip6h;
u8 icmp6_type;
-@@ -1765,7 +1795,8 @@ static int br_multicast_ipv6_rcv(struct
+@@ -1765,7 +1795,8 @@ static int br_multicast_ipv6_rcv(struct
}
mld = (struct mld_msg *)skb_transport_header(skb2);
BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
@@ -242,7 +242,7 @@
break;
}
case ICMPV6_MLD2_REPORT:
-@@ -1782,7 +1813,7 @@ static int br_multicast_ipv6_rcv(struct
+@@ -1782,7 +1813,7 @@ static int br_multicast_ipv6_rcv(struct
goto out;
}
mld = (struct mld_msg *)skb_transport_header(skb2);
diff --git a/target/linux/generic/patches-3.18/653-disable_netlink_trim.patch b/target/linux/generic/patches-3.18/653-disable_netlink_trim.patch
index 5732596792..dfe9c2f255 100644
--- a/target/linux/generic/patches-3.18/653-disable_netlink_trim.patch
+++ b/target/linux/generic/patches-3.18/653-disable_netlink_trim.patch
@@ -1,6 +1,6 @@
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
-@@ -1695,27 +1695,7 @@ void netlink_detachskb(struct sock *sk,
+@@ -1695,27 +1695,7 @@ void netlink_detachskb(struct sock *sk,
static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
{
diff --git a/target/linux/generic/patches-3.18/657-qdisc_reduce_truesize.patch b/target/linux/generic/patches-3.18/657-qdisc_reduce_truesize.patch
index 6777eecf5a..72b3dfc04d 100644
--- a/target/linux/generic/patches-3.18/657-qdisc_reduce_truesize.patch
+++ b/target/linux/generic/patches-3.18/657-qdisc_reduce_truesize.patch
@@ -24,7 +24,7 @@ commont qdiscs.
}
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
-@@ -29,17 +29,21 @@ static int bfifo_enqueue(struct sk_buff
+@@ -29,17 +29,21 @@ static int bfifo_enqueue(struct sk_buff
static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{
diff --git a/target/linux/generic/patches-3.18/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch b/target/linux/generic/patches-3.18/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch
index 000665f047..8bf4b3b294 100644
--- a/target/linux/generic/patches-3.18/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch
+++ b/target/linux/generic/patches-3.18/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch
@@ -308,7 +308,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org>
err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
if (err != 0) {
/* XXX: send ICMP error even if DF is not set. */
-@@ -1263,6 +1413,14 @@ ip6_tnl_change(struct ip6_tnl *t, const
+@@ -1263,6 +1413,14 @@ ip6_tnl_change(struct ip6_tnl *t, const
t->parms.flowinfo = p->flowinfo;
t->parms.link = p->link;
t->parms.proto = p->proto;
diff --git a/target/linux/generic/patches-3.18/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/patches-3.18/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
index bc163cb251..b059fbe5c7 100644
--- a/target/linux/generic/patches-3.18/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
+++ b/target/linux/generic/patches-3.18/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
@@ -55,7 +55,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
-@@ -138,6 +138,10 @@ const struct fib_prop fib_props[RTN_MAX
+@@ -138,6 +138,10 @@ const struct fib_prop fib_props[RTN_MAX
.error = -EINVAL,
.scope = RT_SCOPE_NOWHERE,
},
diff --git a/target/linux/generic/patches-3.18/750-hostap_txpower.patch b/target/linux/generic/patches-3.18/750-hostap_txpower.patch
index 768c80f73b..fc032a93c9 100644
--- a/target/linux/generic/patches-3.18/750-hostap_txpower.patch
+++ b/target/linux/generic/patches-3.18/750-hostap_txpower.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
-@@ -2403,13 +2403,13 @@ int prism2_ap_get_sta_qual(local_info_t
+@@ -2403,13 +2403,13 @@ int prism2_ap_get_sta_qual(local_info_t
addr[count].sa_family = ARPHRD_ETHER;
memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
if (sta->last_rx_silence == 0)
diff --git a/target/linux/generic/patches-3.18/810-pci_disable_common_quirks.patch b/target/linux/generic/patches-3.18/810-pci_disable_common_quirks.patch
index b6c0b38e72..f6639f1242 100644
--- a/target/linux/generic/patches-3.18/810-pci_disable_common_quirks.patch
+++ b/target/linux/generic/patches-3.18/810-pci_disable_common_quirks.patch
@@ -15,7 +15,7 @@
default y
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
-@@ -41,6 +41,7 @@ static void quirk_mmio_always_on(struct
+@@ -41,6 +41,7 @@ static void quirk_mmio_always_on(struct
DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_BRIDGE_HOST, 8, quirk_mmio_always_on);
diff --git a/target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch b/target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch
index 9e841cb642..71a0cb20b0 100644
--- a/target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch
+++ b/target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch
@@ -50,7 +50,10 @@
+config USB_DWC2_PERIPHERAL
+ bool "Gadget only mode"
+ depends on USB_GADGET=y || USB_GADGET=USB_DWC2
-+ help
+ help
+- The Designware USB2.0 platform interface module for
+- controllers directly connected to the CPU. This is only
+- used for host mode.
+ The Designware USB2.0 high-speed gadget controller
+ integrated into many SoCs. Select this option if you want the
+ driver to operate in Peripheral-only mode. This option requires
@@ -59,10 +62,7 @@
+config USB_DWC2_DUAL_ROLE
+ bool "Dual Role mode"
+ depends on (USB=y || USB=USB_DWC2) && (USB_GADGET=y || USB_GADGET=USB_DWC2)
- help
-- The Designware USB2.0 platform interface module for
-- controllers directly connected to the CPU. This is only
-- used for host mode.
++ help
+ Select this option if you want the driver to work in a dual-role
+ mode. In this mode both host and gadget features are enabled, and
+ the role will be determined by the cable that gets plugged-in. This
diff --git a/target/linux/generic/patches-3.18/902-debloat_proc.patch b/target/linux/generic/patches-3.18/902-debloat_proc.patch
index 8b3a5d43f0..43885ad90b 100644
--- a/target/linux/generic/patches-3.18/902-debloat_proc.patch
+++ b/target/linux/generic/patches-3.18/902-debloat_proc.patch
@@ -199,7 +199,7 @@
&fib_triestat_fops))
goto out2;
-@@ -2503,17 +2505,21 @@ int __net_init fib_proc_init(struct net
+@@ -2503,17 +2505,21 @@ int __net_init fib_proc_init(struct net
return 0;
out3:
diff --git a/target/linux/generic/patches-3.18/941-ocf_20120127.patch b/target/linux/generic/patches-3.18/941-ocf_20120127.patch
index ee36f1ee49..7f3f996f0d 100644
--- a/target/linux/generic/patches-3.18/941-ocf_20120127.patch
+++ b/target/linux/generic/patches-3.18/941-ocf_20120127.patch
@@ -24,7 +24,7 @@
* All of these routines try to estimate how many bits of randomness a
* particular randomness source. They do this by keeping track of the
* first and second order deltas of the event timings.
-@@ -938,6 +948,63 @@ void add_disk_randomness(struct gendisk
+@@ -938,6 +948,63 @@ void add_disk_randomness(struct gendisk
EXPORT_SYMBOL_GPL(add_disk_randomness);
#endif