[PATCH 6/8] netfilter: fix string extension for case insensitive pattern matching
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STALE6697d
From: Joonwoo Park <hidden>
Date: 2008-06-21 07:54:36
Also in:
netfilter-devel
Subsystem:
netfilter, networking [general], the rest · Maintainers:
Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
icase of xt_string_info indicates case [in]sensitive matching.
netfilter can find cmd.exe, Cmd.exe, cMd.exe and etc easily.
Signed-off-by: Joonwoo Park <redacted>
---
include/linux/netfilter/xt_string.h | 1 +
net/netfilter/xt_string.c | 2 +-
2 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/linux/netfilter/xt_string.h b/include/linux/netfilter/xt_string.h
index bb21dd1..dfd347f 100644
--- a/include/linux/netfilter/xt_string.h
+++ b/include/linux/netfilter/xt_string.h@@ -12,6 +12,7 @@ struct xt_string_info char pattern[XT_STRING_MAX_PATTERN_SIZE]; u_int8_t patlen; u_int8_t invert; + u_int8_t icase; /* Used internally by the kernel */ struct ts_config __attribute__((aligned(8))) *config;
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
index 9508484..7c83431 100644
--- a/net/netfilter/xt_string.c
+++ b/net/netfilter/xt_string.c@@ -55,7 +55,7 @@ string_mt_check(const char *tablename, const void *ip, if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE) return false; ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen, - 0, GFP_KERNEL, TS_AUTOLOAD); + conf->icase, GFP_KERNEL, TS_AUTOLOAD); if (IS_ERR(ts_conf)) return false;
--
1.5.4.3