From 9c6b9f946e0c84a79be9dc868e2df10bd2a207ba Mon Sep 17 00:00:00 2001 From: Ana Rey Date: Tue, 24 Jun 2014 19:14:16 +0200 Subject: expr: lookup: Do not print unset values in xml file It changes the parse functions to omit unset values. Signed-off-by: Ana Rey Signed-off-by: Pablo Neira Ayuso --- src/expr/lookup.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) (limited to 'src/expr/lookup.c') diff --git a/src/expr/lookup.c b/src/expr/lookup.c index 68b7345..d0d81cb 100644 --- a/src/expr/lookup.c +++ b/src/expr/lookup.c @@ -199,17 +199,15 @@ nft_rule_expr_lookup_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree, set_name = nft_mxml_str_parse(tree, "set", MXML_DESCEND_FIRST, NFT_XML_MAND, err); - if (set_name == NULL) - return -1; - nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name); + if (set_name != NULL) + nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name); - if (nft_mxml_reg_parse(tree, "sreg", &sreg, MXML_DESCEND, - NFT_XML_MAND, err) != 0) - return -1; - nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg); + if (nft_mxml_reg_parse(tree, "sreg", &sreg, MXML_DESCEND, NFT_XML_MAND, + err) == 0) + nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg); - if (nft_mxml_reg_parse(tree, "dreg", &dreg, MXML_DESCEND, - NFT_XML_OPT, err) == 0) + if (nft_mxml_reg_parse(tree, "dreg", &dreg, MXML_DESCEND, NFT_XML_OPT, + err) == 0) nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_DREG, dreg); return 0; @@ -246,12 +244,16 @@ nft_rule_expr_lookup_snprintf_xml(char *buf, size_t size, int len = size, offset = 0, ret; struct nft_expr_lookup *l = nft_expr_data(e); - ret = snprintf(buf, len, "%s%u", - l->set_name, l->sreg); - SNPRINTF_BUFFER_SIZE(ret, size, len, offset); - + if (e->flags & (1 << NFT_EXPR_LOOKUP_SET)) { + ret = snprintf(buf, len, "%s", l->set_name); + SNPRINTF_BUFFER_SIZE(ret, size, len, offset); + } + if (e->flags & (1 << NFT_EXPR_LOOKUP_SREG)) { + ret = snprintf(buf + offset, len, "%u", l->sreg); + SNPRINTF_BUFFER_SIZE(ret, size, len, offset); + } if (e->flags & (1 << NFT_EXPR_LOOKUP_DREG)) { - ret = snprintf(buf+offset, len, "%u", l->dreg); + ret = snprintf(buf + offset, len, "%u", l->dreg); SNPRINTF_BUFFER_SIZE(ret, size, len, offset); } -- cgit v1.2.3