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/**
* @file sipreq.c SIP Authenticated Request
*
* Copyright (C) 2011 Creytiv.com
*/
#include <re.h>
#include <baresip.h>
#include "core.h"
/** SIP Authenticated Request */
struct sip_req {
struct sip_loopstate ls;
struct sip_dialog *dlg;
struct sip_auth *auth;
struct sip_request *req;
char *method;
char *fmt;
sip_resp_h *resph;
void *arg;
};
static int request(struct sip_req *sr);
static void destructor(void *arg)
{
struct sip_req *sr = arg;
mem_deref(sr->req);
mem_deref(sr->auth);
mem_deref(sr->dlg);
mem_deref(sr->method);
mem_deref(sr->fmt);
}
static void resp_handler(int err, const struct sip_msg *msg, void *arg)
{
struct sip_req *sr = arg;
if (err || sip_request_loops(&sr->ls, msg->scode))
goto out;
if (msg->scode < 200) {
return;
}
else if (msg->scode < 300) {
;
}
else {
switch (msg->scode) {
case 401:
case 407:
err = sip_auth_authenticate(sr->auth, msg);
if (err) {
err = (err == EAUTH) ? 0 : err;
break;
}
err = request(sr);
if (err)
break;
return;
case 403:
sip_auth_reset(sr->auth);
break;
}
}
out:
if (sr->resph)
sr->resph(err, msg, sr->arg);
/* destroy now */
mem_deref(sr);
}
static int auth_handler(char **username, char **password,
const char *realm, void *arg)
{
struct account *acc = arg;
return account_auth(acc, username, password, realm);
}
static int request(struct sip_req *sr)
{
return sip_drequestf(&sr->req, uag_sip(), true, sr->method, sr->dlg,
0, sr->auth, NULL, resp_handler,
sr, sr->fmt ? "%s" : NULL, sr->fmt);
}
int sip_req_send(struct ua *ua, const char *method, const char *uri,
sip_resp_h *resph, void *arg, const char *fmt, ...)
{
const char *routev[1];
struct sip_req *sr;
int err;
if (!ua || !method || !uri || !fmt)
return EINVAL;
routev[0] = ua_outbound(ua);
sr = mem_zalloc(sizeof(*sr), destructor);
if (!sr)
return ENOMEM;
sr->resph = resph;
sr->arg = arg;
err = str_dup(&sr->method, method);
if (fmt) {
va_list ap;
va_start(ap, fmt);
err |= re_vsdprintf(&sr->fmt, fmt, ap);
va_end(ap);
}
if (err)
goto out;
err = sip_dialog_alloc(&sr->dlg, uri, uri, NULL, ua_aor(ua),
routev[0] ? routev : NULL,
routev[0] ? 1 : 0);
if (err)
goto out;
err = sip_auth_alloc(&sr->auth, auth_handler, ua_account(ua), true);
if (err)
goto out;
err = request(sr);
out:
if (err)
mem_deref(sr);
return err;
}
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