DeforaNetworks/siproxd
DeforaNetworks/siproxd
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15-Dec-2009: - Better handling for SIP redirecting with newer kernels

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This commit is contained in:
Thomas Ries 2009-12-15 21:11:33 +00:00
parent a9448cb32e
commit 8a6da32065
2 changed files with 7 additions and 3 deletions
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3
ChangeLog
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@ -2,7 +2,8 @@
===== =====
28-Oct-2009: - Make local UA to local UA calls work better with UAs that 28-Oct-2009: - Make local UA to local UA calls work better with UAs that
blindly practice symmetric RTP and ignore the SDP media blindly practice symmetric RTP and ignore the SDP media
description completely (did anyone shout X-Lite?) description completely.
15-Dec-2009: - Better handling for SIP redirecting with newer kernels
0.7.2 0.7.2
===== =====

7
src/sip_utils.c
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@ -970,7 +970,7 @@ int sip_find_direction(sip_ticket_t *ticket, int *urlidx) {
struct sockaddr_in *from; struct sockaddr_in *from;
osip_message_t *request; osip_message_t *request;
osip_message_t *response; osip_message_t *response;
struct in_addr tmp_addr; struct in_addr tmp_addr, tmp_addr2;
from=&ticket->from; from=&ticket->from;
request=ticket->sipmsg; request=ticket->sipmsg;
@ -1113,14 +1113,17 @@ int sip_find_direction(sip_ticket_t *ticket, int *urlidx) {
* if the telegram is received from 127.0.0.1 use my inbound IP as sender, * if the telegram is received from 127.0.0.1 use my inbound IP as sender,
* this likely is a locally REDIRECTED/DNATed (by iptables) packet. * this likely is a locally REDIRECTED/DNATed (by iptables) packet.
* So it is a local UA. * So it is a local UA.
* Also, my own outbound address is considered to be redirected traffic
* Example Scenario: * Example Scenario:
* Softphone(or PBX) running on the same host as siproxd is running. * Softphone(or PBX) running on the same host as siproxd is running.
* Using iptables, you do a REDIRECT of outgoping SIP traffix of the * Using iptables, you do a REDIRECT of outgoping SIP traffix of the
* PBX to be passed to siproxd. * PBX to be passed to siproxd.
*/ */
sts=get_interface_ip(IF_INBOUND, &tmp_addr); sts=get_interface_ip(IF_INBOUND, &tmp_addr);
sts=get_interface_ip(IF_OUTBOUND, &tmp_addr2);
if ((htonl(from->sin_addr.s_addr) == INADDR_LOOPBACK) || if ((htonl(from->sin_addr.s_addr) == INADDR_LOOPBACK) ||
(from->sin_addr.s_addr == tmp_addr.s_addr)) { (from->sin_addr.s_addr == tmp_addr.s_addr) ||
(from->sin_addr.s_addr == tmp_addr2.s_addr)) {
if (MSG_IS_REQUEST(ticket->sipmsg)) { if (MSG_IS_REQUEST(ticket->sipmsg)) {
type=REQTYP_OUTGOING; type=REQTYP_OUTGOING;
} else { } else {