diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-07-25 21:21:51 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-07-25 21:31:35 +0200 |
commit | 3f994836f6bb124a5c0185ab6659ef7f57ceac5f (patch) | |
tree | 42e568f80d1d47c5e01b1367e58a494c5dfa446e /src/expr/payload.c | |
parent | 1c86a5f0f9df07b66691115ba4b0a9ee0f978dd6 (diff) |
src: xml: consolidate common XML code via nft_mxml_str_parse
This patch moves common XML string parsing code to nft_mxml_str_parse().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/expr/payload.c')
-rw-r--r-- | src/expr/payload.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/src/expr/payload.c b/src/expr/payload.c index 9853608..5bf47e1 100644 --- a/src/expr/payload.c +++ b/src/expr/payload.c @@ -184,6 +184,7 @@ nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) #ifdef XML_PARSING struct nft_expr_payload *payload = nft_expr_data(e); mxml_node_t *node = NULL; + const char *base_str; uint64_t tmp; int32_t reg; char *endptr; @@ -195,23 +196,20 @@ nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) payload->dreg = reg; e->flags |= (1 << NFT_EXPR_PAYLOAD_DREG); - /* Get and set <base>. Not mandatory */ - node = mxmlFindElement(tree, tree, "base", NULL, NULL, MXML_DESCEND); - if (node != NULL) { + base_str = nft_mxml_str_parse(tree, "base", MXML_DESCEND_FIRST); + if (base_str == NULL) + return -1; - if (strcmp(node->child->value.opaque, "link") == 0) { - payload->base = NFT_PAYLOAD_LL_HEADER; - } else if (strcmp(node->child->value.opaque, "network") == 0) { - payload->base = NFT_PAYLOAD_NETWORK_HEADER; - } else if (strcmp(node->child->value.opaque, - "transport") == 0) { - payload->base = NFT_PAYLOAD_TRANSPORT_HEADER; - } else { - return -1; - } + if (strcmp(base_str, "link") == 0) + payload->base = NFT_PAYLOAD_LL_HEADER; + else if (strcmp(base_str, "network") == 0) + payload->base = NFT_PAYLOAD_NETWORK_HEADER; + else if (strcmp(base_str, "transport") == 0) + payload->base = NFT_PAYLOAD_TRANSPORT_HEADER; + else + goto err; - e->flags |= (1 << NFT_EXPR_PAYLOAD_BASE); - } + e->flags |= (1 << NFT_EXPR_PAYLOAD_BASE); /* Get and set <offset>. Not mandatory */ node = mxmlFindElement(tree, tree, "offset", NULL, NULL, @@ -236,6 +234,9 @@ nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) e->flags |= (1 << NFT_EXPR_PAYLOAD_LEN); } return 0; +err: + errno = EINVAL; + return -1; #else errno = EOPNOTSUPP; return -1; |