[sr-dev] git:andrei/raw_sock: raw sockets: get dst. ip from the ip header

Module: sip-router Branch: andrei/raw_sock Commit: fb20a055a029198cbc9dd5c755c3806fbb1e80cf URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=fb20a05… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Wed Jun 9 22:58:55 2010 +0200 raw sockets: get dst. ip from the ip header Get the destination ip from the packet header (when using IP_HDRINCL we don't set PKT_INFO so we don't have the destination information). --- raw_sock.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/raw_sock.c b/raw_sock.c index fb357c0..e8b90b1 100644 --- a/raw_sock.c +++ b/raw_sock.c @@ -284,9 +284,13 @@ int raw_udp4_recv(int rsock, char** buf, int len, union sockaddr_union* from, /* advance buf */ *buf=udp_payload; n=(int)(end-*buf); + /* fill ip from the packet (needed if no PKT_INFO is used) */ + dst_ip.af=AF_INET; + dst_ip.len=4; + dst_ip.u.addr32[0]=iph.daddr; /* fill dst_port */ dst_port=ntohs(udph.dest); - su_setport(to, dst_port); + ip_addr2su(to, &dst_ip, port); /* fill src_port */ src_port=ntohs(udph.source); su_setport(from, src_port);