diff options
Diffstat (limited to 'proto_nlmsg.c')
| -rw-r--r-- | proto_nlmsg.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/proto_nlmsg.c b/proto_nlmsg.c index 76253ca..b621728 100644 --- a/proto_nlmsg.c +++ b/proto_nlmsg.c @@ -751,18 +751,29 @@ static void nlmsg_print(uint16_t family, struct nlmsghdr *hdr) static void nlmsg(struct pkt_buff *pkt) { struct nlmsghdr *hdr = (struct nlmsghdr *) pkt_pull(pkt, NLMSG_HDRLEN); + unsigned int trim_len = pkt_len(pkt); while (hdr) { + trim_len -= hdr->nlmsg_len; nlmsg_print(ntohs(pkt->sll->sll_protocol), hdr); if (!pkt_pull(pkt, NLMSG_ALIGN(hdr->nlmsg_len) - NLMSG_HDRLEN)) break; hdr = (struct nlmsghdr *) pkt_pull(pkt, NLMSG_HDRLEN); - if (hdr && hdr->nlmsg_type != NLMSG_DONE && - (hdr->nlmsg_flags & NLM_F_MULTI)) + if (hdr == NULL) + break; + if (hdr->nlmsg_len == 0) + break; + + if (hdr->nlmsg_type != NLMSG_DONE && + (hdr->nlmsg_flags & NLM_F_MULTI)) tprintf("\n"); } + + /* mmaped packet? */ + if (hdr && hdr->nlmsg_len == 0) + pkt_trim(pkt, trim_len); } static void nlmsg_less(struct pkt_buff *pkt) |