Module: kamailio Branch: master Commit: 6045c62f4ebaf861cf725ea7c1e560b22f7a5379 URL: https://github.com/kamailio/kamailio/commit/6045c62f4ebaf861cf725ea7c1e560b… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2021-05-11T15:16:36+02:00 siputils: added optional mode parameter to is_first_hop() - if set to 1, skip checking for loops - exported to kemi as is_first_hop_mode(int mode) --- Modified: src/modules/siputils/sipops.c Modified: src/modules/siputils/sipops.h Modified: src/modules/siputils/siputils.c --- Diff: https://github.com/kamailio/kamailio/commit/6045c62f4ebaf861cf725ea7c1e560b… Patch: https://github.com/kamailio/kamailio/commit/6045c62f4ebaf861cf725ea7c1e560b… --- diff --git a/src/modules/siputils/sipops.c b/src/modules/siputils/sipops.c index 95b1baa5d0..fb1040c6ba 100644 --- a/src/modules/siputils/sipops.c +++ b/src/modules/siputils/sipops.c @@ -140,12 +140,12 @@ int w_is_supported(sip_msg_t *msg, char *_option, char *p2) } -int is_first_hop(sip_msg_t *msg) +int is_first_hop_mode(sip_msg_t *msg, int mode) { int ret; rr_t* r = NULL; sip_uri_t puri; - struct ip_addr *ip; + struct ip_addr *ip = NULL; if(msg==NULL) return -1; @@ -180,10 +180,12 @@ int is_first_hop(sip_msg_t *msg) LM_DBG("failed to parse uri in first record-route header\n"); return -1; } - if (((ip = str2ip(&(puri.host))) == NULL) - && ((ip = str2ip6(&(puri.host))) == NULL)) { - LM_DBG("uri host is not an ip address\n"); - return -1; + if(mode==0) { + if (((ip = str2ip(&(puri.host))) == NULL) + && ((ip = str2ip6(&(puri.host))) == NULL)) { + LM_DBG("uri host is not an ip address\n"); + return -1; + } } ret = check_self(&puri.host, (puri.port.s)?puri.port_no:0, (puri.transport_val.s)?puri.proto:0); @@ -191,13 +193,15 @@ int is_first_hop(sip_msg_t *msg) LM_DBG("top record route uri is not myself\n"); return -1; } - if (ip_addr_cmp(ip, &(msg->rcv.src_ip)) - && ((msg->rcv.src_port == puri.port_no) - || ((puri.port.len == 0) && (msg->rcv.src_port == 5060))) - && (puri.proto==msg->rcv.proto - || (puri.proto==0 && msg->rcv.proto==PROTO_UDP)) ) { - LM_DBG("source address matches top record route uri - loop\n"); - return -1; + if(mode==0) { + if (ip_addr_cmp(ip, &(msg->rcv.src_ip)) + && ((msg->rcv.src_port == puri.port_no) + || ((puri.port.len == 0) && (msg->rcv.src_port == 5060))) + && (puri.proto==msg->rcv.proto + || (puri.proto==0 && msg->rcv.proto==PROTO_UDP)) ) { + LM_DBG("source address matches top record route uri - loop\n"); + return -1; + } } /* todo - check spirals */ return 1; @@ -206,6 +210,23 @@ int is_first_hop(sip_msg_t *msg) } } +int w_is_first_hop_mode(sip_msg_t *msg, char *p1mode, char *p2) +{ + int mode = 0; + + if(fixup_get_ivalue(msg, (gparam_t*)p1mode, &mode)<0) { + LM_ERR("failed to get mode parameter\n"); + return -1; + } + + return is_first_hop_mode(msg, mode); +} + +int is_first_hop(sip_msg_t *msg) +{ + return is_first_hop_mode(msg, 0); +} + int w_is_first_hop(sip_msg_t *msg, char *p1, char *p2) { return is_first_hop(msg); diff --git a/src/modules/siputils/sipops.h b/src/modules/siputils/sipops.h index 27ac0c035e..97d885c71c 100644 --- a/src/modules/siputils/sipops.h +++ b/src/modules/siputils/sipops.h @@ -40,5 +40,7 @@ int w_is_gruu(sip_msg_t *msg, char *uri1, char *p2); int w_is_supported(sip_msg_t *msg, char *_option, char *p2); int w_is_first_hop(sip_msg_t *msg, char *p1, char *p2); int is_first_hop(sip_msg_t *msg); +int w_is_first_hop_mode(sip_msg_t *msg, char *p1mode, char *p2); +int is_first_hop_mode(sip_msg_t *msg, int mode); #endif diff --git a/src/modules/siputils/siputils.c b/src/modules/siputils/siputils.c index 33a3c40a61..57ae9fb262 100644 --- a/src/modules/siputils/siputils.c +++ b/src/modules/siputils/siputils.c @@ -185,6 +185,8 @@ static cmd_export_t cmds[]={ 0, ANY_ROUTE}, {"is_first_hop", (cmd_function)w_is_first_hop, 0, 0, 0, ANY_ROUTE}, + {"is_first_hop", (cmd_function)w_is_first_hop, 1, fixup_igp_null, + fixup_free_igp_null, ANY_ROUTE}, {"is_tel_number", (cmd_function)is_tel_number, 1, fixup_spve_null, 0, ANY_ROUTE}, {"is_numeric", (cmd_function)is_numeric, 1, fixup_spve_null, @@ -571,6 +573,11 @@ static sr_kemi_t sr_kemi_siputils_exports[] = { { SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE } }, + { str_init("siputils"), str_init("is_first_hop_mode"), + SR_KEMIP_INT, is_first_hop_mode, + { SR_KEMIP_INT, SR_KEMIP_NONE, SR_KEMIP_NONE, + SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE } + }, { str_init("siputils"), str_init("is_uri"), SR_KEMIP_INT, ki_is_uri, { SR_KEMIP_STR, SR_KEMIP_NONE, SR_KEMIP_NONE,