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author | Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> | 2013-06-26 13:37:00 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-06-27 19:11:07 +0200 |
commit | 34caf0add23aab075c2bbe1a99927c081014cadd (patch) | |
tree | 5121d4bf38f40b5d36084d759076103188033971 /src/expr/bitwise.c | |
parent | 0f5f45bee6e1f43688b91731406bada3e0bc9a54 (diff) |
bitwise: xml: mask and xor use same number of data registers
The mask and xor must use the same number of data registers.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/expr/bitwise.c')
-rw-r--r-- | src/expr/bitwise.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/expr/bitwise.c b/src/expr/bitwise.c index fa2fc5a..c8c4f40 100644 --- a/src/expr/bitwise.c +++ b/src/expr/bitwise.c @@ -298,6 +298,14 @@ nft_rule_expr_bitwise_xml_parse(struct nft_rule_expr *e, char *xml) bitwise->xor.len = data_regtmp.len; e->flags |= (1 << NFT_EXPR_BITWISE_XOR); + /* Additional validation: mask and xor must use the same number of + * data registers. + */ + if (bitwise->mask.len != bitwise->xor.len) { + mxmlDelete(tree); + return -1; + } + mxmlDelete(tree); return 0; #else |