From e87d2f9ef8a4a298de5514b30ec2d43d3c90a644 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Neira=20Ayuso?= Date: Mon, 6 Jan 2014 00:51:14 +0100 Subject: src: new error reporting approach for XML/JSON parsers I have added a new structure for reporting some errors in parser that we can't cover with errno. In this patch, we have three errors that we can't cover with errno: NFT_PARSE_EBADINPUT : Bad XML/JSON format in the input NFT_PARSE_EMISSINGNODE : Missing node in our input NFT_PARSE_EBADTYPE : Wrong type value in a node Signed-off-by: Alvaro Neira Ayuso Signed-off-by: Pablo Neira Ayuso --- src/expr/payload.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) (limited to 'src/expr/payload.c') diff --git a/src/expr/payload.c b/src/expr/payload.c index fc32ff2..911bb01 100644 --- a/src/expr/payload.c +++ b/src/expr/payload.c @@ -194,19 +194,20 @@ static inline int nft_str2base(const char *base) } static int -nft_rule_expr_payload_json_parse(struct nft_rule_expr *e, json_t *root) +nft_rule_expr_payload_json_parse(struct nft_rule_expr *e, json_t *root, + struct nft_parse_err *err) { #ifdef JSON_PARSING const char *base_str; uint32_t reg, uval32; int base; - if (nft_jansson_parse_reg(root, "dreg", NFT_TYPE_U32, ®) < 0) + if (nft_jansson_parse_reg(root, "dreg", NFT_TYPE_U32, ®, err) < 0) return -1; nft_rule_expr_set_u32(e, NFT_EXPR_PAYLOAD_DREG, reg); - base_str = nft_jansson_parse_str(root, "base"); + base_str = nft_jansson_parse_str(root, "base", err); if (base_str == NULL) return -1; @@ -216,12 +217,13 @@ nft_rule_expr_payload_json_parse(struct nft_rule_expr *e, json_t *root) nft_rule_expr_set_u32(e, NFT_EXPR_PAYLOAD_BASE, base); - if (nft_jansson_parse_val(root, "offset", NFT_TYPE_U32, &uval32) < 0) + if (nft_jansson_parse_val(root, "offset", NFT_TYPE_U32, &uval32, + err) < 0) return -1; nft_rule_expr_set_u32(e, NFT_EXPR_PAYLOAD_OFFSET, uval32); - if (nft_jansson_parse_val(root, "len", NFT_TYPE_U32, &uval32) < 0) + if (nft_jansson_parse_val(root, "len", NFT_TYPE_U32, &uval32, err) < 0) return -1; nft_rule_expr_set_u32(e, NFT_EXPR_PAYLOAD_LEN, uval32); @@ -234,14 +236,15 @@ nft_rule_expr_payload_json_parse(struct nft_rule_expr *e, json_t *root) } static int -nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) +nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree, + struct nft_parse_err *err) { #ifdef XML_PARSING struct nft_expr_payload *payload = nft_expr_data(e); const char *base_str; int32_t reg, base; - reg = nft_mxml_reg_parse(tree, "dreg", MXML_DESCEND_FIRST); + reg = nft_mxml_reg_parse(tree, "dreg", MXML_DESCEND_FIRST, err); if (reg < 0) return -1; @@ -249,7 +252,7 @@ nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) e->flags |= (1 << NFT_EXPR_PAYLOAD_DREG); base_str = nft_mxml_str_parse(tree, "base", MXML_DESCEND_FIRST, - NFT_XML_MAND); + NFT_XML_MAND, err); if (base_str == NULL) return -1; @@ -262,13 +265,14 @@ nft_rule_expr_payload_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) if (nft_mxml_num_parse(tree, "offset", MXML_DESCEND_FIRST, BASE_DEC, &payload->offset, NFT_TYPE_U8, - NFT_XML_MAND) != 0) + NFT_XML_MAND, err) != 0) return -1; e->flags |= (1 << NFT_EXPR_PAYLOAD_OFFSET); if (nft_mxml_num_parse(tree, "len", MXML_DESCEND_FIRST, BASE_DEC, - &payload->len, NFT_TYPE_U8, NFT_XML_MAND) != 0) + &payload->len, NFT_TYPE_U8, + NFT_XML_MAND, err) != 0) return -1; e->flags |= (1 << NFT_EXPR_PAYLOAD_LEN); -- cgit v1.2.3