X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_string.c;h=275330fcdaaab9dfebba281e3baf5e80671c884c;hb=0612ec48762bf8712db1925b2e67246d2237ebab;hp=0ebb6ac2c8c769a2b1a19075d10dc35a1143a32a;hpb=077e98945db7e54a9865b5f29a1f02f531eca414;p=linux-2.6-omap-h63xx.git diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c index 0ebb6ac2c8c..275330fcdaa 100644 --- a/net/netfilter/xt_string.c +++ b/net/netfilter/xt_string.c @@ -37,7 +37,7 @@ static int match(const struct sk_buff *skb, return (skb_find_text((struct sk_buff *)skb, conf->from_offset, conf->to_offset, conf->config, &state) - != UINT_MAX) && !conf->invert; + != UINT_MAX) ^ conf->invert; } #define STRING_TEXT_PRIV(m) ((struct xt_string_info *) m) @@ -55,7 +55,10 @@ static int checkentry(const char *tablename, /* Damn, can't handle this case properly with iptables... */ if (conf->from_offset > conf->to_offset) return 0; - + if (conf->algo[XT_STRING_MAX_ALGO_NAME_SIZE - 1] != '\0') + return 0; + if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE) + return 0; ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen, GFP_KERNEL, TS_AUTOLOAD); if (IS_ERR(ts_conf))