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authorJoonwoo Park <joonwpark81@gmail.com>2008-07-07 13:32:25 +0200
committerPatrick McHardy <kaber@trash.net>2008-07-07 13:32:25 +0200
commit78d2d14211466f1986882ba6bdf82e6429ce78dc (patch)
tree914c1af748365eb8626dd93ed9374fbd1c9eb6ac /include/linux
parent4bae3f1001028ee283a5e1fcea4a561b0068f95d (diff)
xt_string: string extension case insensitive matching
The string extension can search patterns case insensitively with --icase option. A new revision 1 was added, in the meantime invert of xt_string_info was moved into flags as a flag. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/netfilter/xt_string.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/netfilter/xt_string.h b/include/linux/netfilter/xt_string.h
index bb21dd1a..f1c182fd 100644
--- a/include/linux/netfilter/xt_string.h
+++ b/include/linux/netfilter/xt_string.h
@@ -4,6 +4,11 @@
#define XT_STRING_MAX_PATTERN_SIZE 128
#define XT_STRING_MAX_ALGO_NAME_SIZE 16
+enum {
+ XT_STRING_FLAG_INVERT = 0x01,
+ XT_STRING_FLAG_IGNORECASE = 0x02
+};
+
struct xt_string_info
{
u_int16_t from_offset;
@@ -11,7 +16,15 @@ struct xt_string_info
char algo[XT_STRING_MAX_ALGO_NAME_SIZE];
char pattern[XT_STRING_MAX_PATTERN_SIZE];
u_int8_t patlen;
- u_int8_t invert;
+ union {
+ struct {
+ u_int8_t invert;
+ } v0;
+
+ struct {
+ u_int8_t flags;
+ } v1;
+ } u;
/* Used internally by the kernel */
struct ts_config __attribute__((aligned(8))) *config;