rename target/linux/generic-2.6 to generic

[openwrt/openwrt.git] / target / linux / generic-2.6 / patches-2.6.35 / 101-netfilter_layer7_pktmatch.patch

diff --git a/target/linux/generic-2.6/patches-2.6.35/101-netfilter_layer7_pktmatch.patch b/target/linux/generic-2.6/patches-2.6.35/101-netfilter_layer7_pktmatch.patch
deleted file mode 100644 (file)
index f65e301..0000000
--- a/target/linux/generic-2.6/patches-2.6.35/101-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){