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author | Felix Fietkau <nbd@openwrt.org> | 2009-07-17 16:20:25 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-07-17 16:20:25 +0000 |
commit | 12b429b3a22e870677c36d758f1874933f9a572c (patch) | |
tree | fbe30fe3aa1ff9edd3d55707b78c1547623e303f /target/linux/generic-2.6/patches-2.6.29/101-netfilter_layer7_pktmatch.patch | |
parent | fe05e1f37a10a417befa038a58bfe5f0388a2e2f (diff) | |
download | master-31e0f0ae-12b429b3a22e870677c36d758f1874933f9a572c.tar.gz master-31e0f0ae-12b429b3a22e870677c36d758f1874933f9a572c.tar.bz2 master-31e0f0ae-12b429b3a22e870677c36d758f1874933f9a572c.zip |
get rid of linux 2.6.29
SVN-Revision: 16883
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.29/101-netfilter_layer7_pktmatch.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.29/101-netfilter_layer7_pktmatch.patch | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.29/101-netfilter_layer7_pktmatch.patch b/target/linux/generic-2.6/patches-2.6.29/101-netfilter_layer7_pktmatch.patch deleted file mode 100644 index f65e301fd1..0000000000 --- a/target/linux/generic-2.6/patches-2.6.29/101-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){ |