From b5db77dc91454d1a1722672e13e87bf41d5ed427 Mon Sep 17 00:00:00 2001 From: Ken-ichirou MATSUZAWA Date: Fri, 11 Sep 2015 10:54:53 +0900 Subject: nlmsg: add lacking attributes validation This patch adds four (actually two) attributes validation with comparing to current kernel header. Signed-off-by: Ken-ichirou MATSUZAWA Signed-off-by: Pablo Neira Ayuso --- src/nlmsg.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src') diff --git a/src/nlmsg.c b/src/nlmsg.c index cabd8be..ba28c77 100644 --- a/src/nlmsg.c +++ b/src/nlmsg.c @@ -140,6 +140,7 @@ static int nfq_pkt_parse_attr_cb(const struct nlattr *attr, void *data) case NFQA_SECCTX: case NFQA_UID: case NFQA_GID: + case NFQA_CT_INFO: if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) return MNL_CB_ERROR; break; @@ -155,7 +156,15 @@ static int nfq_pkt_parse_attr_cb(const struct nlattr *attr, void *data) return MNL_CB_ERROR; } break; + case NFQA_PACKET_HDR: + if (mnl_attr_validate2(attr, MNL_TYPE_UNSPEC, + sizeof(struct nfqnl_msg_packet_hdr)) < 0) { + return MNL_CB_ERROR; + } + break; case NFQA_PAYLOAD: + case NFQA_CT: + case NFQA_EXP: break; } tb[type] = attr; -- cgit v1.2.3