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First pass at BYE/Also transfer

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1423 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-08-25 00:05:48 +00:00
parent 5c19df841a
commit eeceb89d31
1 changed files with 64 additions and 2 deletions
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66
channels/chan_sip.c
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@@ -3628,6 +3628,47 @@ static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
return -1;
}
static int get_also_info(struct sip_pvt *p, struct sip_request *oreq)
{
char tmp[256] = "", *c, *a;
struct sip_request *req;
req = oreq;
if (!req)
req = &p->initreq;
strncpy(tmp, get_header(req, "Also"), sizeof(tmp) - 1);
c = ditch_braces(tmp);
if (strncmp(c, "sip:", 4)) {
ast_log(LOG_WARNING, "Huh? Not a SIP header (%s)?\n", c);
return -1;
}
c += 4;
if ((a = strchr(c, '@')))
*a = '\0';
if ((a = strchr(c, ';')))
*a = '\0';
if (sipdebug) {
ast_verbose("Looking for %s in %s\n", c, p->context);
}
if (ast_exists_extension(NULL, p->context, c, 1, NULL)) {
/* This is an unsupervised transfer */
ast_log(LOG_DEBUG,"Assigning Extension %s to REFER-TO\n", c);
strncpy(p->refer_to, c, sizeof(p->refer_to) - 1);
strncpy(p->referred_by, "", sizeof(p->referred_by) - 1);
strncpy(p->refer_contact, "", sizeof(p->refer_contact) - 1);
strncpy(p->remote_party_id, "", sizeof(p->remote_party_id) - 1);
p->refer_call = NULL;
return 0;
} else if (ast_canmatch_extension(NULL, p->context, c, 1, NULL)) {
return 1;
}
return -1;
}
static int check_via(struct sip_pvt *p, struct sip_request *req)
{
@@ -4631,6 +4672,7 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
char *from;
char *e;
struct ast_channel *c=NULL;
struct ast_channel *transfer_to;
int seqno;
int len;
int ignore=0;
@@ -4862,7 +4904,6 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
}
}
} else if (!strcasecmp(cmd, "REFER")) {
struct ast_channel *transfer_to;
ast_log(LOG_DEBUG, "We found a REFER!\n");
if (!strlen(p->context))
strncpy(p->context, context, sizeof(p->context) - 1);
@@ -4920,7 +4961,28 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
/* Immediately stop VRTP */
ast_rtp_stop(p->vrtp);
}
if (p->owner)
if (strlen(get_header(req, "Also"))) {
ast_log(LOG_NOTICE, "Client '%s' using depreciated BYE/Also transfer method. Ask vendor to support REFER instead\n",
inet_ntoa(p->recv.sin_addr));
if (!strlen(p->context))
strncpy(p->context, context, sizeof(p->context) - 1);
res = get_refer_info(p, req);
if (!res) {
c = p->owner;
if (c) {
transfer_to = c->bridge;
if (transfer_to) {
/* Don't actually hangup here... */
ast_moh_stop(transfer_to);
ast_async_goto(transfer_to,p->context, p->refer_to,1, 1);
} else
ast_queue_hangup(p->owner, 0);
}
} else {
ast_log(LOG_WARNING, "Invalid transfer information from '%s'\n", inet_ntoa(p->recv.sin_addr));
ast_queue_hangup(p->owner, 0);
}
} else if (p->owner)
ast_queue_hangup(p->owner, 0);
transmit_response(p, "200 OK", req);
} else if (!strcasecmp(cmd, "MESSAGE")) {