#include <sofia-sip/su_log.h>
#include <sofia-sip/sdp.h>
#include <sofia-sip/sip_header.h>
+#include <sofia-sip/stun.h>
+#include <sofia-sip/stun_tag.h>
+#include <sofia-sip/su_md5.h>
+
+#ifndef SOFIA_SIP_GCC_4_8_PATCH_APLLIED
+#warning ********************************************************
+#warning Please apply the sofia-sip-gcc-4.8.patch !
+#warning If this issue is already fixed, just remove this check.
+#warning ********************************************************
+#error
+#endif
#undef NUTAG_AUTO100
unsigned char flip[256];
+int any_sip_interface = 0;
+
//pthread_mutex_t mutex_msg;
su_home_t sip_home[1];
+#define REGISTER_STATE_UNREGISTERED 1
+#define REGISTER_STATE_REGISTERING 2
+#define REGISTER_STATE_REGISTERED 3
+#define REGISTER_STATE_FAILED 4
+
+#define STUN_RETRY_TIMER 10, 0
+#define REGISTER_RETRY_TIMER 10, 0
+
+#define STUN_STATE_UNRESOLVED 1
+#define STUN_STATE_RESOLVING 2
+#define STUN_STATE_RESOLVED 3
+#define STUN_STATE_FAILED 4
+
+#define RTP_PORT_BASE 30000
+#define RTP_PORT_MAX 39998
+
struct sip_inst {
char interface_name[64];
- char local_peer[32];
- char remote_peer[32];
+ char local_peer[128];
+ char remote_peer[128];
+ char asserted_id[128];
+ int allow_register;
+ int register_state;
+ char register_user[128];
+ char register_host[128];
+ nua_handle_t *register_handle;
+ struct lcr_timer register_retry_timer;
+ struct lcr_timer register_option_timer;
+ int register_interval;
+ int options_interval;
+ char auth_user[128];
+ char auth_password[128];
+ char auth_realm[128];
+ char auth_nonce[128];
su_root_t *root;
nua_t *nua;
+
+ char public_ip[128];
+ int stun_state;
+ char stun_server[128];
+ stun_handle_t *stun_handle;
+ su_socket_t stun_socket;
+ struct lcr_timer stun_retry_timer;
+ int stun_interval;
+
+ unsigned short rtp_port_from;
+ unsigned short rtp_port_to;
+ unsigned short next_rtp_port;
+
};
static int delete_event(struct lcr_work *work, void *instance, int index);
+static int invite_option_timer(struct lcr_timer *timer, void *instance, int index);
+static int load_timer(struct lcr_timer *timer, void *instance, int index);
/*
* initialize SIP port
*/
-Psip::Psip(int type, char *portname, struct port_settings *settings, struct interface *interface) : Port(type, portname, settings)
+Psip::Psip(int type, char *portname, struct port_settings *settings, struct interface *interface) : Port(type, portname, settings, interface)
{
p_s_rtp_bridge = 0;
if (interface->rtp_bridge)
p_s_b_active = 0;
p_s_rxpos = 0;
p_s_rtp_tx_action = 0;
+ p_s_rtp_is_connected = 0;
+
+ /* create option timer */
+ memset(&p_s_invite_option_timer, 0, sizeof(p_s_invite_option_timer));
+ add_timer(&p_s_invite_option_timer, invite_option_timer, this, 0);
+ p_s_invite_direction = 0;
+
+ /* audio */
+ memset(&p_s_load_timer, 0, sizeof(p_s_load_timer));
+ add_timer(&p_s_load_timer, load_timer, this, 0);
+ p_s_next_tv_sec = 0;
PDEBUG(DEBUG_SIP, "Created new Psip(%s).\n", portname);
+ if (!p_s_sip_inst)
+ FATAL("No SIP instance for interface\n");
}
{
PDEBUG(DEBUG_SIP, "Destroyed SIP process(%s).\n", p_name);
+ del_timer(&p_s_invite_option_timer);
+ del_timer(&p_s_load_timer);
del_work(&p_s_delete);
rtp_close();
}
-const char *media_type2name(uint8_t media_type) {
+static const char *media_type2name(uint8_t media_type) {
switch (media_type) {
case MEDIA_TYPE_ULAW:
return "PCMU";
return "UKN";
}
-static void sip_trace_header(class Psip *sip, const char *message, int direction)
+static void sip_trace_header(class Psip *sip, const char *interface_name, const char *message, int direction)
{
+ struct interface *interface = NULL;
+
+ if (interface_name)
+ interface = getinterfacebyname(interface_name);
+
/* init trace with given values */
start_trace(-1,
- NULL,
+ interface,
sip?numberrize_callerinfo(sip->p_callerinfo.id, sip->p_callerinfo.ntype, options.national, options.international):NULL,
sip?sip->p_dialinginfo.id:NULL,
direction,
return 0;
}
+ /* record audio */
+ if (psip->p_record)
+ psip->record(payload, payload_len, 0); // from down
+ if (psip->p_tap)
+ psip->tap(payload, payload_len, 0); // from down
+
n = payload_len;
from = payload;
to = payload;
+ if (psip->p_echotest) {
+ /* echo rtp data we just received */
+ psip->rtp_send_frame(from, n, (options.law=='a')?PAYLOAD_TYPE_ALAW:PAYLOAD_TYPE_ULAW);
+ return 0;
+ }
while(n--)
*to++ = flip[*from++];
+ if (psip->p_dov_rx)
+ psip->dov_rx(payload, payload_len);
psip->bridge_tx(payload, payload_len);
return 0;
// psip->rtp_shutdown();
return len;
}
- rc = rtp_decode(psip, buffer, len);
+ if (psip->p_s_rtp_is_connected)
+ rc = rtp_decode(psip, buffer, len);
}
return rc;
return 0;
}
-#define RTP_PORT_BASE 30000
-static unsigned int next_udp_port = RTP_PORT_BASE;
-
static int rtp_sub_socket_bind(int fd, struct sockaddr_in *sin_local, uint32_t ip, uint16_t port)
{
int rc;
int Psip::rtp_open(void)
{
- int rc;
- struct in_addr ia;
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+ int rc, rc2;
+// struct in_addr ia;
unsigned int ip;
+ unsigned short start_port;
+
+ PDEBUG(DEBUG_SIP, "rtp_open\n");
/* create socket */
rc = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (!rc) {
+ if (rc < 0) {
rtp_close();
return -EIO;
}
register_fd(&p_s_rtp_fd, LCR_FD_READ, rtp_sock_callback, this, 0);
rc = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (!rc) {
+ if (rc < 0) {
rtp_close();
return -EIO;
}
/* bind socket */
ip = htonl(INADDR_ANY);
- ia.s_addr = ip;
- for (next_udp_port = next_udp_port % 0xffff;
- next_udp_port < 0xffff; next_udp_port += 2) {
- rc = rtp_sub_socket_bind(p_s_rtp_fd.fd, &p_s_rtp_sin_local, ip, next_udp_port);
+ start_port = inst->next_rtp_port;
+ while (1) {
+ rc = rtp_sub_socket_bind(p_s_rtp_fd.fd, &p_s_rtp_sin_local, ip, inst->next_rtp_port);
if (rc != 0)
- continue;
+ goto try_next_port;
- rc = rtp_sub_socket_bind(p_s_rtcp_fd.fd, &p_s_rtcp_sin_local, ip, next_udp_port+1);
- if (rc == 0)
+ rc = rtp_sub_socket_bind(p_s_rtcp_fd.fd, &p_s_rtcp_sin_local, ip, inst->next_rtp_port + 1);
+ if (rc == 0) {
+ p_s_rtp_port_local = inst->next_rtp_port;
+ inst->next_rtp_port = (inst->next_rtp_port + 2 > inst->rtp_port_to) ? inst->rtp_port_from : inst->next_rtp_port + 2;
break;
+ }
+ /* reopen rtp socket and try again with next udp port */
+ unregister_fd(&p_s_rtp_fd);
+ close(p_s_rtp_fd.fd);
+ p_s_rtp_fd.fd = 0;
+ rc2 = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (rc2 < 0) {
+ rtp_close();
+ return -EIO;
+ }
+ p_s_rtp_fd.fd = rc2;
+ register_fd(&p_s_rtp_fd, LCR_FD_READ, rtp_sock_callback, this, 0);
+
+try_next_port:
+ inst->next_rtp_port = (inst->next_rtp_port + 2 > inst->rtp_port_to) ? inst->rtp_port_from : inst->next_rtp_port + 2;
+ if (inst->next_rtp_port == start_port)
+ break;
+ /* we must use rc2, in order to preserve rc */
}
if (rc < 0) {
PDEBUG(DEBUG_SIP, "failed to find port\n");
rtp_close();
return rc;
}
- p_s_rtp_port_local = next_udp_port;
p_s_rtp_ip_local = ntohl(p_s_rtp_sin_local.sin_addr.s_addr);
PDEBUG(DEBUG_SIP, "local ip %08x port %d\n", p_s_rtp_ip_local, p_s_rtp_port_local);
PDEBUG(DEBUG_SIP, "remote ip %08x port %d\n", p_s_rtp_ip_remote, p_s_rtp_port_remote);
struct in_addr ia;
ia.s_addr = htonl(p_s_rtp_ip_remote);
+ if (p_s_rtp_is_connected)
+ PDEBUG(DEBUG_SIP, "reconnecting existing RTP connection to new/same destination\n");
PDEBUG(DEBUG_SIP, "rtp_connect(ip=%s, port=%u)\n", inet_ntoa(ia), p_s_rtp_port_remote);
rc = rtp_sub_socket_connect(p_s_rtp_fd.fd, &p_s_rtp_sin_local, &p_s_rtp_sin_remote, p_s_rtp_ip_remote, p_s_rtp_port_remote);
int duration; /* in samples */
unsigned char buffer[256];
+ /* record audio */
+ if (p_record)
+ record(data, len, 1); // from up
+ if (p_tap)
+ tap(data, len, 1); // from up
+
if (!p_s_rtp_is_connected) {
/* drop silently */
return 0;
/* receive from remote */
int Psip::bridge_rx(unsigned char *data, int len)
{
+ int ret;
+
+ /* don't bridge, if tones are provided */
+ if (p_tone_name[0] || p_dov_tx)
+ return -EBUSY;
+
+ if (p_dov_tx)
+ return -EBUSY;
+
+ if ((ret = Port::bridge_rx(data, len)))
+ return ret;
+
/* write to rx buffer */
while(len--) {
p_s_rxdata[p_s_rxpos++] = flip[*data++];
case 23:
s = 410; *st = sip_410_Gone;
break;
+ case 26:
+ s = 404; *st = sip_404_Not_found;
+ break;
case 27:
s = 502; *st = sip_502_Bad_gateway;
break;
case 102:
s = 504; *st = sip_504_Gateway_time_out;
break;
+ case 111:
+ s = 500; *st = sip_500_Internal_server_error;
+ break;
+ case 127:
+ s = 500; *st = sip_500_Internal_server_error;
+ break;
default:
s = 468; *st = sip_486_Busy_here;
}
return s;
}
+/* use STUN ip, or return the ip without change */
+unsigned int Psip::get_local_ip(unsigned int ip)
+{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+
+ if (inst->public_ip[0]) {
+ PDEBUG(DEBUG_SIP, "RTP local IP is replaced by STUN ip %s\n", inst->public_ip);
+ inet_pton(AF_INET, inst->public_ip, &ip);
+ return htonl(ip);
+ }
+ return ip;
+}
+
+/* some simple nonce generator */
+static void generate_nonce(char *result)
+{
+ UPRINT(result, "%08x", (unsigned int)random());
+ result += 8;
+ UPRINT(result, "%08x", (unsigned int)random());
+ result += 8;
+ UPRINT(result, "%08x", (unsigned int)random());
+ result += 8;
+ UPRINT(result, "%08x", (unsigned int)random());
+}
+
+/* check authorization */
+static int check_authorization(sip_authorization_t const *authorization, const char *regstr, const char *check_user, const char *check_pass, const char *check_realm, const char *check_nonce, const char **auth_text)
+{
+ int ret = 500;
+ *auth_text = "Internal Server Error";
+
+ char *username = NULL;
+ char *realm = NULL;
+ char *nonce = NULL;
+ char *uri = NULL;
+ char *qop = NULL;
+ char *cnonce = NULL;
+ char *nc = NULL;
+ char *response = NULL;
+
+ int indexnum;
+ const char *cur;
+
+ char temp[256], first_digest[2 * SU_MD5_DIGEST_SIZE + 1], second_digest[2 * SU_MD5_DIGEST_SIZE + 1], third_digest[2 * SU_MD5_DIGEST_SIZE + 1];
+ su_md5_t md5_ctx;
+
+ if (!check_nonce || !check_nonce[0] || !authorization || !authorization->au_params) {
+ if (!strcmp(regstr, "REGISTER")) {
+ *auth_text = "Unauthorized";
+ ret = 401;
+ } else {
+ *auth_text = "Proxy Authentication Required";
+ ret = 407;
+ }
+ goto end;
+ }
+
+ /* parse header (stolen from freeswitch) */
+ for (indexnum = 0; (cur = authorization->au_params[indexnum]); indexnum++) {
+ char *var, *val, *p, *work;
+ var = val = work = NULL;
+ if ((work = strdup(cur))) {
+ var = work;
+ if ((val = strchr(var, '='))) {
+ *val++ = '\0';
+ while (*val == '"') {
+ *val++ = '\0';
+ }
+ if ((p = strchr(val, '"'))) {
+ *p = '\0';
+ }
+
+ PDEBUG(DEBUG_SIP, "Found in Auth header: %s = %s\n", var, val);
+ if (!strcasecmp(var, "username")) {
+ username = strdup(val);
+ } else if (!strcasecmp(var, "realm")) {
+ realm = strdup(val);
+ } else if (!strcasecmp(var, "nonce")) {
+ nonce = strdup(val);
+ } else if (!strcasecmp(var, "uri")) {
+ uri = strdup(val);
+ } else if (!strcasecmp(var, "qop")) {
+ qop = strdup(val);
+ } else if (!strcasecmp(var, "cnonce")) {
+ cnonce = strdup(val);
+ } else if (!strcasecmp(var, "response")) {
+ response = strdup(val);
+ } else if (!strcasecmp(var, "nc")) {
+ nc = strdup(val);
+ }
+ }
+
+ free(work);
+ }
+ }
+
+ if (!username || !realm || !nonce || ! uri || !response) {
+ *auth_text = "Authorization header incomplete";
+ ret = 400;
+ goto end;
+ }
+
+ if (!!strcmp(username, check_user)) {
+ *auth_text = "Authorization Username Missmatch";
+ ret = 403;
+ goto end;
+ }
+ if (!!strcmp(realm, check_realm)) {
+ *auth_text = "Authorization Realm Missmatch";
+ ret = 403;
+ goto end;
+ }
+ if (!!strcmp(nonce, check_nonce)) {
+ *auth_text = "Authorization Nonce Missmatch";
+ ret = 403;
+ goto end;
+ }
+
+ /* perform hash */
+ SPRINT(temp, "%s:%s:%s", check_user, realm, check_pass);
+ PDEBUG(DEBUG_SIP, "First hash: %s\n", temp);
+ su_md5_init(&md5_ctx);
+ su_md5_strupdate(&md5_ctx, temp);
+ su_md5_hexdigest(&md5_ctx, first_digest);
+ su_md5_deinit(&md5_ctx);
+
+ SPRINT(temp, "%s:%s", regstr, uri);
+ PDEBUG(DEBUG_SIP, "First hash: %s\n", temp);
+ su_md5_init(&md5_ctx);
+ su_md5_strupdate(&md5_ctx, temp);
+ su_md5_hexdigest(&md5_ctx, second_digest);
+ su_md5_deinit(&md5_ctx);
+
+ if (nc && cnonce && qop)
+ SPRINT(temp, "%s:%s:%s:%s:%s:%s", first_digest, nonce, nc, cnonce, qop, second_digest);
+ else
+ SPRINT(temp, "%s:%s:%s", first_digest, nonce, second_digest);
+ PDEBUG(DEBUG_SIP, "Third hash: %s\n", temp);
+ su_md5_init(&md5_ctx);
+ su_md5_strupdate(&md5_ctx, temp);
+ su_md5_hexdigest(&md5_ctx, third_digest);
+ su_md5_deinit(&md5_ctx);
+
+ if (!!strcmp(response, third_digest)) {
+ *auth_text = "Authorization Failed";
+ ret = 403;
+ goto end;
+ }
+
+ *auth_text = "Authorization Success";
+ ret = 200;
+
+end:
+ free(username);
+ free(realm);
+ free(nonce);
+ free(uri);
+ free(qop);
+ free(cnonce);
+ free(nc);
+ free(response);
+
+ return ret;
+}
+
/*
* endpoint sends messages to the SIP port
*/
int Psip::message_connect(unsigned int epoint_id, int message_id, union parameter *param)
{
- char sdp_str[256];
- struct in_addr ia;
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+ const char *sdp_str = NULL;
struct lcr_msg *message;
+ struct interface *interface;
int media_type;
unsigned char payload_type;
+ interface = getinterfacebyname(inst->interface_name);
+ if (!interface) {
+ PERROR("Cannot find interface %s.\n", inst->interface_name);
+ return 0;
+ }
+
if (param->connectinfo.rtpinfo.port) {
PDEBUG(DEBUG_SIP, "RTP info given by remote, forward that\n");
p_s_rtp_bridge = 1;
media_type = (options.law=='a') ? MEDIA_TYPE_ALAW : MEDIA_TYPE_ULAW;
payload_type = (options.law=='a') ? PAYLOAD_TYPE_ALAW : PAYLOAD_TYPE_ULAW;
/* open local RTP peer (if not bridging) */
- if (!p_s_rtp_is_connected && rtp_connect() < 0) {
+ if (rtp_connect() < 0) {
nua_cancel(p_s_handle, TAG_END());
nua_handle_destroy(p_s_handle);
p_s_handle = NULL;
- sip_trace_header(this, "CANCEL", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "CANCEL", DIRECTION_OUT);
add_trace("reason", NULL, "failed to connect RTP/RTCP sockts");
end_trace();
message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
}
}
- ia.s_addr = htonl(p_s_rtp_ip_local);
-
- SPRINT(sdp_str,
- "v=0\n"
- "o=LCR-Sofia-SIP 0 0 IN IP4 %s\n"
- "s=SIP Call\n"
- "c=IN IP4 %s\n"
- "t=0 0\n"
- "m=audio %d RTP/AVP %d\n"
- "a=rtpmap:%d %s/8000\n"
- , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local, payload_type, payload_type, media_type2name(media_type));
+ sdp_str = generate_sdp(p_s_rtp_ip_local, p_s_rtp_port_local, 1, &payload_type, &media_type);
PDEBUG(DEBUG_SIP, "Using SDP response: %s\n", sdp_str);
+ /* NOTE:
+ * If this response causes corrupt messages, like SDP body inside or
+ * before header, check if the sofia-sip-gcc-4.8.patch was applied.
+ * If it is still corrupted, try to disable optimization when compiling
+ * sofia-sip.
+ */
nua_respond(p_s_handle, SIP_200_OK,
NUTAG_MEDIA_ENABLE(0),
SIPTAG_CONTENT_TYPE_STR("application/sdp"),
SIPTAG_PAYLOAD_STR(sdp_str), TAG_END());
+
new_state(PORT_STATE_CONNECT);
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "200 OK");
add_trace("reason", NULL, "call connected");
+ struct in_addr ia;
+ memset(&ia, 0, sizeof(ia));
+ ia.s_addr = htonl(get_local_ip(p_s_rtp_ip_local));
add_trace("rtp", "ip", "%s", inet_ntoa(ia));
add_trace("rtp", "port", "%d,%d", p_s_rtp_port_local, p_s_rtp_port_local + 1);
add_trace("rtp", "payload", "%s:%d", media_type2name(media_type), payload_type);
int Psip::message_release(unsigned int epoint_id, int message_id, union parameter *param)
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
struct lcr_msg *message;
char cause_str[128] = "";
int cause = param->disconnectinfo.cause;
case PORT_STATE_OUT_PROCEEDING:
case PORT_STATE_OUT_ALERTING:
PDEBUG(DEBUG_SIP, "RELEASE/DISCONNECT will cancel\n");
- sip_trace_header(this, "CANCEL", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "CANCEL", DIRECTION_OUT);
if (cause_str[0])
add_trace("cause", "value", "%d", cause);
end_trace();
case PORT_STATE_IN_ALERTING:
PDEBUG(DEBUG_SIP, "RELEASE/DISCONNECT will respond\n");
status = cause2status(cause, location, &status_text);
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
if (cause_str[0])
add_trace("cause", "value", "%d", cause);
add_trace("respond", "value", "%d %s", status, status_text);
break;
default:
PDEBUG(DEBUG_SIP, "RELEASE/DISCONNECT will perform nua_bye\n");
- sip_trace_header(this, "BYE", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "BYE", DIRECTION_OUT);
if (cause_str[0])
add_trace("cause", "value", "%d", cause);
end_trace();
int Psip::message_setup(unsigned int epoint_id, int message_id, union parameter *param)
{
struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
- char from[128];
- char to[128];
+ char from[128] = "";
+ char asserted_id[128] = "", asserted_msg[256] = "";
+ char to[128] = "";
+ char contact[128] = "";
const char *local = inst->local_peer;
char local_ip[16];
const char *remote = inst->remote_peer;
- char sdp_str[512], pt_str[32];
- struct in_addr ia;
+ const char *sdp_str = NULL;
struct epoint_list *epointlist;
sip_cseq_t *cseq = NULL;
struct lcr_msg *message;
int lcr_media = { (options.law=='a') ? MEDIA_TYPE_ALAW : MEDIA_TYPE_ULAW };
- unsigned char lcr_payload = { (options.law=='a') ? PAYLOAD_TYPE_ALAW : PAYLOAD_TYPE_ULAW };
+ unsigned char lcr_payload = { (options.law=='a') ? (unsigned char )PAYLOAD_TYPE_ALAW : (unsigned char )PAYLOAD_TYPE_ULAW };
int *media_types;
unsigned char *payload_types;
int payloads = 0;
int i;
+ if (!remote[0]) {
+ sip_trace_header(this, inst->interface_name, "INVITE", DIRECTION_OUT);
+ add_trace("failed", "reason", "No remote peer set or no peer has registered to us.");
+ end_trace();
+ message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 27;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_s_delete);
+ return 0;
+ }
+
PDEBUG(DEBUG_SIP, "Doing Setup (inst %p)\n", inst);
memcpy(&p_dialinginfo, ¶m->setup.dialinginfo, sizeof(p_dialinginfo));
memcpy(&p_callerinfo, ¶m->setup.callerinfo, sizeof(p_callerinfo));
- memcpy(&p_redirinfo, ¶m->setup.redirinfo, sizeof(p_redirinfo));
+// memcpy(&p_redirinfo, ¶m->setup.redirinfo, sizeof(p_redirinfo));
+ do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, inst->interface_name);
+// do_screen(1, p_redirinfo.id, sizeof(p_redirinfo.id), &p_redirinfo.ntype, &p_redirinfo.present, inst->interface_name);
if (param->setup.rtpinfo.port) {
PDEBUG(DEBUG_SIP, "RTP info given by remote, forward that\n");
trigger_work(&p_s_delete);
return 0;
}
+ if (!p_s_rtp_ip_local) {
+ char *p;
+
+ /* extract IP from local peer */
+ SCPY(local_ip, local);
+ p = strchr(local_ip, ':');
+ if (p)
+ *p = '\0';
+ PDEBUG(DEBUG_SIP, "RTP local IP not known, so we use our local SIP ip %s\n", local_ip);
+ inet_pton(AF_INET, local_ip, &p_s_rtp_ip_local);
+ p_s_rtp_ip_local = ntohl(p_s_rtp_ip_local);
+ }
}
p_s_handle = nua_handle(inst->nua, NULL, TAG_END());
trigger_work(&p_s_delete);
return 0;
}
- /* apply handle */
- sip_trace_header(this, "NEW handle", DIRECTION_IN);
- add_trace("handle", "new", "0x%x", p_s_handle);
- end_trace();
+ /* apply handle to trace */
+// sip_trace_header(this, inst->interface_name, "NEW handle", DIRECTION_IN);
+// add_trace("handle", "new", "0x%x", p_s_handle);
+// end_trace();
- if (!p_s_rtp_ip_local) {
- char *p;
+ sdp_str = generate_sdp(p_s_rtp_ip_local, p_s_rtp_port_local, payloads, payload_types, media_types);
+ PDEBUG(DEBUG_SIP, "Using SDP for invite: %s\n", sdp_str);
- /* extract IP from local peer */
- SCPY(local_ip, local);
- p = strchr(local_ip, ':');
- if (p)
- *p = '\0';
- PDEBUG(DEBUG_SIP, "RTP local IP not known, so we use our local SIP ip %s\n", local_ip);
- inet_pton(AF_INET, local_ip, &p_s_rtp_ip_local);
- p_s_rtp_ip_local = ntohl(p_s_rtp_ip_local);
+ SPRINT(from, "sip:%s@%s", p_callerinfo.id, remote);
+ SPRINT(to, "sip:%s@%s", p_dialinginfo.id, remote);
+ if (inst->asserted_id[0]) {
+ SPRINT(asserted_id, "sip:%s@%s", inst->asserted_id, remote);
+ SPRINT(asserted_msg, "P-Asserted-Identity: <%s>", asserted_id);
}
- ia.s_addr = htonl(p_s_rtp_ip_local);
- SPRINT(sdp_str,
- "v=0\n"
- "o=LCR-Sofia-SIP 0 0 IN IP4 %s\n"
- "s=SIP Call\n"
- "c=IN IP4 %s\n"
- "t=0 0\n"
- "m=audio %d RTP/AVP"
- , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local);
- for (i = 0; i < payloads; i++) {
- SPRINT(pt_str, " %d", payload_types[i]);
- SCAT(sdp_str, pt_str);
- }
- SCAT(sdp_str, "\n");
- for (i = 0; i < payloads; i++) {
- SPRINT(pt_str, "a=rtpmap:%d %s/8000\n", payload_types[i], media_type2name(media_types[i]));
- SCAT(sdp_str, pt_str);
+ if (inst->public_ip[0]) {
+ char *p;
+ SPRINT(contact, "sip:%s@%s", p_callerinfo.id, inst->public_ip);
+ p = strchr(inst->local_peer, ':');
+ if (p)
+ SCAT(contact, p);
}
- PDEBUG(DEBUG_SIP, "Using SDP for invite: %s\n", sdp_str);
-
- SPRINT(from, "sip:%s@%s", param->setup.callerinfo.id, local);
- SPRINT(to, "sip:%s@%s", param->setup.dialinginfo.id, remote);
- sip_trace_header(this, "INVITE", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "INVITE", DIRECTION_OUT);
add_trace("from", "uri", "%s", from);
add_trace("to", "uri", "%s", to);
+ if (asserted_id[0])
+ add_trace("assert-id", "uri", "%s", asserted_id);
+ struct in_addr ia;
+ memset(&ia, 0, sizeof(ia));
+ ia.s_addr = htonl(get_local_ip(p_s_rtp_ip_local));
add_trace("rtp", "ip", "%s", inet_ntoa(ia));
add_trace("rtp", "port", "%d,%d", p_s_rtp_port_local, p_s_rtp_port_local + 1);
for (i = 0; i < payloads; i++)
nua_invite(p_s_handle,
TAG_IF(from[0], SIPTAG_FROM_STR(from)),
TAG_IF(to[0], SIPTAG_TO_STR(to)),
+ TAG_IF(asserted_msg[0], SIPTAG_HEADER_STR(asserted_msg)),
+ TAG_IF(contact[0], SIPTAG_CONTACT_STR(contact)),
TAG_IF(cseq, SIPTAG_CSEQ(cseq)),
NUTAG_MEDIA_ENABLE(0),
SIPTAG_CONTENT_TYPE_STR("application/sdp"),
SIPTAG_PAYLOAD_STR(sdp_str), TAG_END());
new_state(PORT_STATE_OUT_SETUP);
+ p_s_invite_direction = DIRECTION_OUT;
+
#if 0
PDEBUG(DEBUG_SIP, "do overlap\n");
new_state(PORT_STATE_OUT_OVERLAP);
int Psip::message_notify(unsigned int epoint_id, int message_id, union parameter *param)
{
-// char sdp_str[256];
+// char
// struct in_addr ia;
switch (param->notifyinfo.notify) {
case INFO_NOTIFY_REMOTE_HOLD:
#if 0
+ sdp_str = generate_sdp(0, 0, 0, NULL, NULL);
SPRINT(sdp_str,
- "v=0\n"
- "o=LCR-Sofia-SIP 0 0 IN IP4 0.0.0.0\n"
- "s=SIP Call\n"
- "c=IN IP4 0.0.0.0\n"
- "t=0 0\n"
+ "v=0\r\n"
+ "o=LCR-Sofia-SIP 0 0 IN IP4 0.0.0.0\r\n"
+ "s=SIP Call\r\n"
+ "c=IN IP4 0.0.0.0\r\n"
+ "t=0 0\r\n"
);
PDEBUG(DEBUG_SIP, "Using SDP for hold: %s\n", sdp_str);
nua_info(p_s_handle,
break;
case INFO_NOTIFY_REMOTE_RETRIEVAL:
#if 0
- ia.s_addr = htonl(p_s_rtp_ip_local);
- SPRINT(sdp_str,
- "v=0\n"
- "o=LCR-Sofia-SIP 0 0 IN IP4 %s\n"
- "s=SIP Call\n"
- "c=IN IP4 %s\n"
- "t=0 0\n"
- "m=audio %d RTP/AVP %d\n"
- "a=rtpmap:%d %s/8000\n"
- , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local, p_s_rtp_payload_type, p_s_rtp_payload_type, media_type2name(p_s_rtp_media_type));
+ sdp_str = generate_sdp(p_s_rtp_ip_local, p_s_rtp_port_local, 1, &payload_type, &media_type);
PDEBUG(DEBUG_SIP, "Using SDP for rertieve: %s\n", sdp_str);
nua_info(p_s_handle,
// TAG_IF(from[0], SIPTAG_FROM_STR(from)),
int Psip::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+
if (Port::message_epoint(epoint_id, message_id, param))
return 1;
&& p_state != PORT_STATE_IN_PROCEEDING)
return 0;
nua_respond(p_s_handle, SIP_180_RINGING, TAG_END());
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "180 Ringing");
end_trace();
new_state(PORT_STATE_IN_ALERTING);
return(1);
default:
- PDEBUG(DEBUG_SIP, "PORT(%s) SP port with (caller id %s) received an unsupported message: %d\n", p_name, p_callerinfo.id, message_id);
+ PDEBUG(DEBUG_SIP, "PORT(%s) SIP port with (caller id %s) received an unsupported message: %d\n", p_name, p_callerinfo.id, message_id);
}
return 0;
return 0;
}
-void Psip::i_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+const char *Psip::generate_sdp(unsigned int rtp_ip_local, unsigned short rtp_port_local, int payloads, unsigned char *payload_types, int *media_types)
+{
+ struct in_addr ia;
+ static char sdp_str[256], sub_str[128];
+ int i;
+
+ memset(&ia, 0, sizeof(ia));
+ ia.s_addr = htonl(get_local_ip(p_s_rtp_ip_local));
+ SPRINT(sdp_str,
+ "v=0\r\n"
+ "o=LCR-Sofia-SIP 0 0 IN IP4 %s\r\n"
+ "s=SIP Call\r\n"
+ "c=IN IP4 %s\r\n"
+ "t=0 0\r\n", inet_ntoa(ia), inet_ntoa(ia));
+ if (payloads) {
+ SPRINT(sub_str, "m=audio %d RTP/AVP", p_s_rtp_port_local);
+ SCAT(sdp_str, sub_str);
+ for (i = 0; i < payloads; i++) {
+ SPRINT(sub_str, " %d", payload_types[i]);
+ SCAT(sdp_str, sub_str);
+ }
+ SCAT(sdp_str, "\r\n");
+ for (i = 0; i < payloads; i++) {
+ SPRINT(sub_str, "a=rtpmap:%d %s/8000\r\n", payload_types[i], media_type2name(media_types[i]));
+ SCAT(sdp_str, sub_str);
+ }
+ }
+
+ return sdp_str;
+}
+
+static int challenge(struct sip_inst *inst, class Psip *psip, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ sip_www_authenticate_t const *authenticate = NULL;
+ char const *realm = NULL;
+ char const *scheme = NULL;
+ int i;
+ char *cur;
+ char authentication[256] = "";
+ PDEBUG(DEBUG_SIP, "challenge order received\n");
+
+ if (!inst->auth_user[0]) {
+ PDEBUG(DEBUG_SIP, "No credentials available\n");
+ sip_trace_header(psip, inst->interface_name, "AUTHENTICATE", DIRECTION_OUT);
+ add_trace("error", NULL, "There are no credentials given for interface");
+ end_trace();
+ return -1;
+ }
+
+ if (sip->sip_www_authenticate) {
+ authenticate = sip->sip_www_authenticate;
+ } else if (sip->sip_proxy_authenticate) {
+ authenticate = sip->sip_proxy_authenticate;
+ } else {
+ PDEBUG(DEBUG_SIP, "No authentication header found\n");
+ sip_trace_header(psip, inst->interface_name, "AUTHENTICATE", DIRECTION_OUT);
+ add_trace("error", NULL, "Authentication method unknwon");
+ end_trace();
+ return -1;
+ }
+
+ scheme = (char const *) authenticate->au_scheme;
+ if (authenticate->au_params) {
+ for (i = 0; (cur = (char *) authenticate->au_params[i]); i++) {
+ if ((realm = strstr(cur, "realm="))) {
+ realm += 6;
+ break;
+ }
+ }
+ }
+
+ if (!scheme || !realm) {
+ PDEBUG(DEBUG_SIP, "No scheme or no realm in authentication header found\n");
+ sip_trace_header(psip, inst->interface_name, "AUTHENTICATE", DIRECTION_OUT);
+ add_trace("error", NULL, "Authentication header has no realm or scheme");
+ end_trace();
+ return -1;
+ }
+
+ SPRINT(authentication, "%s:%s:%s:%s", scheme, realm, inst->auth_user, inst->auth_password);
+ PDEBUG(DEBUG_SIP, "auth: '%s'\n", authentication);
+
+ sip_trace_header(psip, inst->interface_name, "AUTHENTICATE", DIRECTION_OUT);
+ add_trace("scheme", NULL, "%s", scheme);
+ add_trace("realm", NULL, "%s", realm);
+ add_trace("user", NULL, "%s", inst->auth_user);
+ add_trace("pass", NULL, "%s", inst->auth_password);
+ end_trace();
+
+ nua_authenticate(nh, /*SIPTAG_EXPIRES_STR("3600"),*/ NUTAG_AUTH(authentication), TAG_END());
+
+ return 0;
+}
+
+static void i_options(struct sip_inst *inst, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ #define NUTAG_WITH_THIS_MSG(msg) nutag_with, tag_ptr_v(msg)
+ nua_saved_event_t saved[1];
+ nua_save_event(nua, saved);
+ nua_event_data_t const *data = nua_event_data(saved);
+
+ sip_trace_header(NULL, inst->interface_name, "OPTIONS", DIRECTION_IN);
+ end_trace();
+
+ sip_trace_header(NULL, inst->interface_name, "RESPOND", DIRECTION_OUT);
+ add_trace("respond", "value", "200 OK");
+ end_trace();
+
+ nua_respond(nh, SIP_200_OK, NUTAG_WITH_THIS_MSG(data->e_msg), TAG_END());
+ nua_handle_destroy(nh);
+ inst->register_handle = NULL;
+}
+
+static void i_register(struct sip_inst *inst, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ #define NUTAG_WITH_THIS_MSG(msg) nutag_with, tag_ptr_v(msg)
+ nua_saved_event_t saved[1];
+ sip_contact_t const *contact = NULL;
+ contact = sip->sip_contact;
+ nua_save_event(nua, saved);
+ nua_event_data_t const *data = nua_event_data(saved);
+ sip_authorization_t const *authorization;
+ char uri[256] = "";
+ const char *auth_text = NULL;
+ char auth_str[256] = "";
+
+ if (contact->m_url->url_host)
+ SCPY(uri, contact->m_url->url_host);
+ if (contact->m_url->url_port && contact->m_url->url_port[0]) {
+ SCAT(uri, ":");
+ SCAT(uri, contact->m_url->url_port);
+ }
+
+ if (!inst->allow_register) {
+ sip_trace_header(NULL, inst->interface_name, "REGISTER", DIRECTION_IN);
+ add_trace("error", NULL, "forbidden, because we don't accept registration");
+ end_trace();
+ nua_respond(nh, SIP_403_FORBIDDEN, NUTAG_WITH_THIS_MSG(data->e_msg), TAG_END());
+ nua_handle_destroy(nh);
+ inst->register_handle = NULL;
+ return;
+ }
+
+ sip_trace_header(NULL, inst->interface_name, "REGISTER", DIRECTION_IN);
+ add_trace("contact", "uri", "%s", uri);
+ end_trace();
+
+ sip_trace_header(NULL, inst->interface_name, "Authorization", DIRECTION_IN);
+ if (inst->auth_realm[0]) {
+ authorization = sip->sip_authorization;
+ status = check_authorization(authorization, "REGISTER", inst->auth_user, inst->auth_password, inst->auth_realm, inst->auth_nonce, &auth_text);
+ if (status == 401) {
+ if (!inst->auth_nonce[0])
+ generate_nonce(inst->auth_nonce);
+ SPRINT(auth_str, "Digest realm=\"%s\", nonce=\"%s\", algorithm=MD5, qop=\"auth\"", inst->auth_realm, inst->auth_nonce);
+ }
+ } else {
+ status = 200;
+ auth_text = "Authentication not required";
+ }
+ add_trace("result", NULL, "%s", auth_text);
+ end_trace();
+
+ if (status == 200) {
+ SCPY(inst->remote_peer, uri);
+ }
+
+ sip_trace_header(NULL, inst->interface_name, "RESPOND", DIRECTION_OUT);
+ add_trace("respond", "value", "%d", status);
+ add_trace("reason", NULL, "peer registers");
+ end_trace();
+
+ nua_respond(nh, status, auth_text, SIPTAG_CONTACT(sip->sip_contact), NUTAG_WITH_THIS_MSG(data->e_msg), TAG_IF(auth_str[0], SIPTAG_WWW_AUTHENTICATE_STR(auth_str)), TAG_END());
+ nua_handle_destroy(nh);
+ inst->register_handle = NULL;
+}
+
+static void r_register(struct sip_inst *inst, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ int rc;
+
+ sip_trace_header(NULL, inst->interface_name, "STATUS", DIRECTION_IN);
+ add_trace("value", NULL, "%d", status);
+ add_trace("phrase", NULL, "%s", phrase);
+ end_trace();
+
+ switch (status) {
+ case 200:
+ status_200:
+ /* if not registered, become registered and start register interval timer */
+ if (inst->register_state != REGISTER_STATE_REGISTERED) {
+ if (inst->register_interval)
+ schedule_timer(&inst->register_retry_timer, inst->register_interval, 0);
+ inst->register_state = REGISTER_STATE_REGISTERED;
+ }
+ /* start option timer */
+ if (inst->options_interval)
+ PDEBUG(DEBUG_SIP, "register ok, scheduling option timer with %d seconds\n", inst->options_interval);
+ schedule_timer(&inst->register_option_timer, inst->options_interval, 0);
+ break;
+ case 401:
+ case 407:
+ PDEBUG(DEBUG_SIP, "Register challenge received\n");
+ rc = challenge(inst, NULL, status, phrase, nua, magic, nh, hmagic, sip, tags);
+ if (rc < 0)
+ goto status_400;
+ break;
+ default:
+ if (status >= 200 && status <= 299)
+ goto status_200;
+ if (status < 400)
+ break;
+ status_400:
+ PDEBUG(DEBUG_SIP, "Register failed, starting register timer\n");
+ inst->register_state = REGISTER_STATE_FAILED;
+ nua_handle_destroy(nh);
+ inst->register_handle = NULL;
+ /* stop option timer */
+ unsched_timer(&inst->register_option_timer);
+ /* if failed, start register interval timer with REGISTER_RETRY_TIMER */
+ schedule_timer(&inst->register_retry_timer, REGISTER_RETRY_TIMER);
+ }
+}
+
+void Psip::i_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
- const char *from = "", *to = "";
+ const char *from = "", *to = "", *name = "";
+ char imsi[16] = "";
int ret;
class Endpoint *epoint;
struct lcr_msg *message;
struct interface *interface;
+ const char *sdp_str = NULL;
int media_types[32];
uint8_t payload_types[32];
int payloads = 0;
+ unsigned char payload_type;
+ int media_type;
+ sip_authorization_t const *authorization;
+ const char *auth_text = NULL;
+ char auth_str[256] = "";
interface = getinterfacebyname(inst->interface_name);
if (!interface) {
return;
}
- if (sip->sip_from && sip->sip_from->a_url)
- from = sip->sip_from->a_url->url_user;
- if (sip->sip_to && sip->sip_to->a_url)
- to = sip->sip_to->a_url->url_user;
+ if (sip->sip_from) {
+ if (sip->sip_from->a_url)
+ from = sip->sip_from->a_url->url_user;
+ if (sip->sip_from->a_display) {
+ name = sip->sip_from->a_display;
+ if (!strncmp(name, "\"IMSI", 5)) {
+ strncpy(imsi, name + 5, 15);
+ imsi[15] = '\0';
+ name = "";
+ }
+ }
+ }
+ if (sip->sip_to) {
+ if (sip->sip_to->a_url)
+ to = sip->sip_to->a_url->url_user;
+ }
PDEBUG(DEBUG_SIP, "invite received (%s->%s)\n", from, to);
- sip_trace_header(this, "Payload received", DIRECTION_NONE);
+ sip_trace_header(this, inst->interface_name, "Authorization", DIRECTION_IN);
+ if (inst->auth_realm[0] || p_state != PORT_STATE_IDLE) {
+ /* only authenticate remote, if we have a realm set and we don't have re-invite */
+ authorization = sip->sip_proxy_authorization;
+ status = check_authorization(authorization, "INVITE", inst->auth_user, inst->auth_password, inst->auth_realm, inst->auth_nonce, &auth_text);
+ if (status == 407) {
+ if (!inst->auth_nonce[0])
+ generate_nonce(inst->auth_nonce);
+ SPRINT(auth_str, "Digest realm=\"%s\", nonce=\"%s\", algorithm=MD5, qop=\"auth\"", inst->auth_realm, inst->auth_nonce);
+ }
+ } else {
+ status = 200;
+ auth_text = "Authentication not required";
+ }
+ add_trace("result", NULL, "%s", auth_text);
+ end_trace();
+
+ if (status == 200) {
+ } else {
+ sip_trace_header(this, inst->interface_name, "INVITE", DIRECTION_IN);
+ end_trace();
+
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
+ add_trace("respond", "value", "%d", status);
+ add_trace("reason", NULL, "peer invited");
+ end_trace();
+
+ nua_respond(nh, status, auth_text, SIPTAG_CONTACT(sip->sip_contact), TAG_IF(auth_str[0], SIPTAG_PROXY_AUTHENTICATE_STR(auth_str)), TAG_END());
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_s_delete);
+ return;
+ }
+
+ sip_trace_header(this, inst->interface_name, "Payload received", DIRECTION_NONE);
ret = parse_sdp(sip, &p_s_rtp_ip_remote, &p_s_rtp_port_remote, payload_types, media_types, &payloads, sizeof(payload_types));
if (!ret) {
/* if no RTP bridge, we must support LAW codec, otherwise we forward what we have */
nua_respond(nh, SIP_415_UNSUPPORTED_MEDIA, TAG_END());
nua_handle_destroy(nh);
p_s_handle = NULL;
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
if (ret == 400)
add_trace("respond", "value", "415 Unsupported Media");
else
add_trace("respond", "value", "400 Bad Request");
add_trace("reason", NULL, "offered codec does not match");
end_trace();
+ if (p_state != PORT_STATE_IDLE) {
+ message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = 41;
+ message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ message_put(message);
+ }
new_state(PORT_STATE_RELEASE);
trigger_work(&p_s_delete);
return;
}
+ /* handle re-invite */
+ if (p_state != PORT_STATE_IDLE) {
+ sip_trace_header(this, inst->interface_name, "RE-INVITE", DIRECTION_IN);
+ end_trace();
+ if (p_s_rtp_bridge) {
+ PDEBUG(DEBUG_SIP, "RE-INVITE not implemented for RTP forwarding\n");
+ nua_respond(nh, SIP_501_NOT_IMPLEMENTED, TAG_END());
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
+ add_trace("respond", "value", "501 NOT IMPLEMENTED");
+ add_trace("reason", NULL, "RE-INVITE not implemented for RTP forwarding");
+ end_trace();
+ } else {
+ PDEBUG(DEBUG_SIP, "RTP info given by remote, forward that\n");
+ media_type = (options.law=='a') ? MEDIA_TYPE_ALAW : MEDIA_TYPE_ULAW;
+ payload_type = (options.law=='a') ? PAYLOAD_TYPE_ALAW : PAYLOAD_TYPE_ULAW;
+ if (rtp_connect() < 0) {
+ goto rtp_failed;
+ }
+ sdp_str = generate_sdp(p_s_rtp_ip_local, p_s_rtp_port_local, 1, &payload_type, &media_type);
+ PDEBUG(DEBUG_SIP, "Using SDP response: %s\n", sdp_str);
+ nua_respond(p_s_handle, SIP_200_OK,
+ NUTAG_MEDIA_ENABLE(0),
+ SIPTAG_CONTENT_TYPE_STR("application/sdp"),
+ SIPTAG_PAYLOAD_STR(sdp_str), TAG_END());
+ }
+ return;
+ }
+
/* open local RTP peer (if not bridging) */
if (!p_s_rtp_bridge && rtp_open() < 0) {
nua_respond(nh, SIP_500_INTERNAL_SERVER_ERROR, TAG_END());
nua_handle_destroy(nh);
p_s_handle = NULL;
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "500 Internal Server Error");
add_trace("reason", NULL, "failed to open RTP/RTCP sockts");
end_trace();
}
/* apply handle */
- sip_trace_header(this, "NEW handle", DIRECTION_IN);
- add_trace("handle", "new", "0x%x", nh);
+// sip_trace_header(this, inst->interface_name, "NEW handle", DIRECTION_IN);
+// add_trace("handle", "new", "0x%x", nh);
+// end_trace();
+//
p_s_handle = nh;
- end_trace();
- sip_trace_header(this, "INVITE", DIRECTION_IN);
+ sip_trace_header(this, inst->interface_name, "INVITE", DIRECTION_IN);
add_trace("rtp", "port", "%d", p_s_rtp_port_remote);
/* caller information */
if (!from[0]) {
p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
SCPY(p_callerinfo.id, from);
add_trace("calling", "number", "%s", from);
+ SCPY(p_callerinfo.name, name);
+ if (name[0])
+ add_trace("calling", "name", "%s", name);
+ SCPY(p_callerinfo.imsi, imsi);
+ if (imsi[0])
+ add_trace("calling", "imsi", "%s", imsi);
}
SCPY(p_callerinfo.interface, inst->interface_name);
/* dialing information */
#ifdef NUTAG_AUTO100
/* send trying (proceeding) */
nua_respond(nh, SIP_100_TRYING, TAG_END());
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "100 Trying");
end_trace();
#endif
}
message_put(message);
-#if 0
-issues:
-- send tones that are clocked with timer, unless data is received from bridge
+ /* start option timer */
+ if (inst->options_interval) {
+ PDEBUG(DEBUG_SIP, "Invite received, scheduling option timer with %d seconds\n", inst->options_interval);
+ schedule_timer(&p_s_invite_option_timer, inst->options_interval, 0);
+ }
+
+ p_s_invite_direction = DIRECTION_IN;
+
/* send progress, if tones are available and if we don't bridge */
if (!p_s_rtp_bridge && interface->is_tones == IS_YES) {
- char sdp_str[256];
- struct in_addr ia;
- unsigned char payload_type;
-
PDEBUG(DEBUG_SIP, "Connecting audio, since we have tones available\n");
- payload_type = (options.law=='a') ? RTP_PT_ALAW : RTP_PT_ULAW;
+ media_type = (options.law=='a') ? MEDIA_TYPE_ALAW : MEDIA_TYPE_ULAW;
+ payload_type = (options.law=='a') ? PAYLOAD_TYPE_ALAW : PAYLOAD_TYPE_ULAW;
/* open local RTP peer (if not bridging) */
if (rtp_connect() < 0) {
+rtp_failed:
nua_respond(nh, SIP_500_INTERNAL_SERVER_ERROR, TAG_END());
nua_handle_destroy(nh);
p_s_handle = NULL;
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "500 Internal Server Error");
add_trace("reason", NULL, "failed to connect RTP/RTCP sockts");
end_trace();
- new_state(PORT_STATE_RELEASE);
- trigger_work(&p_s_delete);
message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
message->param.disconnectinfo.cause = 41;
message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
return;
}
- ia.s_addr = htonl(p_s_rtp_ip_local);
-
- SPRINT(sdp_str,
- "v=0\n"
- "o=LCR-Sofia-SIP 0 0 IN IP4 %s\n"
- "s=SIP Call\n"
- "c=IN IP4 %s\n"
- "t=0 0\n"
- "m=audio %d RTP/AVP %d\n"
- "a=rtpmap:%d %s/8000\n"
- , inet_ntoa(ia), inet_ntoa(ia), p_s_rtp_port_local, payload_type, payload_type, payload_type2name(payload_type));
+ sdp_str = generate_sdp(p_s_rtp_ip_local, p_s_rtp_port_local, 1, &payload_type, &media_type);
PDEBUG(DEBUG_SIP, "Using SDP response: %s\n", sdp_str);
nua_respond(p_s_handle, SIP_183_SESSION_PROGRESS,
NUTAG_MEDIA_ENABLE(0),
SIPTAG_CONTENT_TYPE_STR("application/sdp"),
SIPTAG_PAYLOAD_STR(sdp_str), TAG_END());
- new_state(PORT_STATE_CONNECT);
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "183 SESSION PROGRESS");
add_trace("reason", NULL, "audio available");
+ struct in_addr ia;
+ memset(&ia, 0, sizeof(ia));
+ ia.s_addr = htonl(get_local_ip(p_s_rtp_ip_local));
add_trace("rtp", "ip", "%s", inet_ntoa(ia));
add_trace("rtp", "port", "%d,%d", p_s_rtp_port_local, p_s_rtp_port_local + 1);
- add_trace("rtp", "payload", "%d", payload_type);
+ add_trace("rtp", "payload", "%s:%d", media_type2name(media_type), payload_type);
end_trace();
}
-#endif
}
-void Psip::i_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+void Psip::i_options(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+
+ PDEBUG(DEBUG_SIP, "options received\n");
+
+ sip_trace_header(this, inst->interface_name, "OPTIONS", DIRECTION_IN);
+ end_trace();
+
+ nua_respond(nh, SIP_200_OK, TAG_END());
+}
+
+void Psip::i_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
struct lcr_msg *message;
int cause = 0;
PDEBUG(DEBUG_SIP, "bye received\n");
- sip_trace_header(this, "BYE", DIRECTION_IN);
+ sip_trace_header(this, inst->interface_name, "BYE", DIRECTION_IN);
if (sip->sip_reason && sip->sip_reason->re_protocol && !strcasecmp(sip->sip_reason->re_protocol, "Q.850") && sip->sip_reason->re_cause) {
cause = atoi(sip->sip_reason->re_cause);
add_trace("cause", "value", "%d", cause);
// let stack do bye automaticall, since it will not accept our response for some reason
// nua_respond(nh, SIP_200_OK, TAG_END());
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "200 OK");
end_trace();
// nua_handle_destroy(nh);
trigger_work(&p_s_delete);
}
-void Psip::i_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+void Psip::i_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
struct lcr_msg *message;
PDEBUG(DEBUG_SIP, "cancel received\n");
- sip_trace_header(this, "CANCEL", DIRECTION_IN);
+ sip_trace_header(this, inst->interface_name, "CANCEL", DIRECTION_IN);
end_trace();
nua_handle_destroy(nh);
trigger_work(&p_s_delete);
}
-void Psip::r_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+void Psip::r_bye(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
PDEBUG(DEBUG_SIP, "bye response received\n");
trigger_work(&p_s_delete);
}
-void Psip::r_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+void Psip::r_cancel(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
PDEBUG(DEBUG_SIP, "cancel response received\n");
trigger_work(&p_s_delete);
}
-void Psip::r_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tagss[])
+void Psip::r_invite(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
struct lcr_msg *message;
int cause = 0, location = 0;
int media_types[32];
PDEBUG(DEBUG_SIP, "response to invite received (status = %d)\n", status);
- sip_trace_header(this, "RESPOND", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "RESPOND", DIRECTION_OUT);
add_trace("respond", "value", "%d", status);
end_trace();
+ if (status == 401 || status == 407) {
+ PDEBUG(DEBUG_SIP, "Invite challenge received\n");
+ challenge(inst, this, status, phrase, nua, magic, nh, hmagic, sip, tags);
+ return;
+ }
+
/* connect audio */
if (status == 183 || (status >= 200 && status <= 299)) {
int ret;
- sip_trace_header(this, "Payload received", DIRECTION_NONE);
+ sip_trace_header(this, inst->interface_name, "Payload received", DIRECTION_NONE);
ret = parse_sdp(sip, &p_s_rtp_ip_remote, &p_s_rtp_port_remote, payload_types, media_types, &payloads, sizeof(payload_types));
if (!ret) {
if (payloads != 1)
end_trace();
if (ret) {
nua_cancel(nh, TAG_END());
- sip_trace_header(this, "CANCEL", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "CANCEL", DIRECTION_OUT);
add_trace("reason", NULL, "accepted codec does not match");
end_trace();
cause = 88;
/* connect to remote RTP (if not bridging) */
if (!p_s_rtp_bridge && rtp_connect() < 0) {
nua_cancel(nh, TAG_END());
- sip_trace_header(this, "CANCEL", DIRECTION_OUT);
+ sip_trace_header(this, inst->interface_name, "CANCEL", DIRECTION_OUT);
add_trace("reason", NULL, "failed to open RTP/RTCP sockts");
end_trace();
cause = 31;
}
}
- /* process 1xx */
+ /* start option timer */
+ if (inst->options_interval) {
+ PDEBUG(DEBUG_SIP, "Invite response, scheduling option timer with %d seconds\n", inst->options_interval);
+ schedule_timer(&p_s_invite_option_timer, inst->options_interval, 0);
+ }
+
switch (status) {
case 100:
#if 0
}
message_put(message);
return;
- default:
- if (status < 100 || status > 199)
- break;
- PDEBUG(DEBUG_SIP, "skipping 1xx message\n");
-
- return;
- }
-
- /* process 2xx */
- if (status >= 200 && status <= 299) {
+ case 200:
+ status_200:
PDEBUG(DEBUG_SIP, "do connect\n");
nua_ack(nh, TAG_END());
new_state(PORT_STATE_CONNECT);
}
message_put(message);
return;
+ default:
+ if (status >= 200 && status <= 299)
+ goto status_200;
+ if (status < 100 || status > 199)
+ break;
+ PDEBUG(DEBUG_SIP, "skipping 1xx message\n");
+
+ return;
}
+
cause = status2cause(status);
location = LOCATION_BEYOND;
trigger_work(&p_s_delete);
}
+void Psip::r_options(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+ int cause = 0, location = 0;
+ struct lcr_msg *message;
+
+ PDEBUG(DEBUG_SIP, "options result %d received\n", status);
+
+ if (status >= 200 && status <= 299) {
+ PDEBUG(DEBUG_SIP, "options ok, scheduling option timer with %d seconds\n", inst->options_interval);
+ /* restart option timer */
+ schedule_timer(&p_s_invite_option_timer, inst->options_interval, 0);
+ return;
+ }
+
+ nua_handle_destroy(nh);
+ p_s_handle = NULL;
+
+ rtp_close();
+
+ cause = status2cause(status);
+ location = LOCATION_BEYOND;
+
+ while(p_epointlist) {
+ /* send setup message to endpoit */
+ message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
+ message->param.disconnectinfo.cause = cause;
+ message->param.disconnectinfo.location = location;
+ message_put(message);
+ /* remove epoint */
+ free_epointlist(p_epointlist);
+ }
+ new_state(PORT_STATE_RELEASE);
+ trigger_work(&p_s_delete);
+}
+
+void Psip::i_state(int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
+{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
+
+ PDEBUG(DEBUG_SIP, "state change received\n");
+ sip_trace_header(this, inst->interface_name, "STATUS", DIRECTION_OUT);
+ add_trace("value", NULL, "%d", status);
+ add_trace("phrase", NULL, "%s", phrase);
+ end_trace();
+}
+
static void sip_callback(nua_event_t event, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[])
{
struct sip_inst *inst = (struct sip_inst *) magic;
class Port *port;
class Psip *psip = NULL;
- PDEBUG(DEBUG_SIP, "Event %d from stack received (handle=%p)\n", event, nh);
+ PDEBUG(DEBUG_SIP, "Event %d from SIP stack received (handle=%p)\n", event, nh);
if (!nh)
return;
- /* create or find port instance */
- if (event == nua_i_invite)
- {
- char name[64];
- struct interface *interface = interface_first;
-
- /* create call instance */
- SPRINT(name, "%s-%d-in", inst->interface_name, 0);
- while (interface) {
- if (!strcmp(interface->name, inst->interface_name))
+ /* hunt for existing handles */
+ port = port_first;
+ while(port) {
+ if ((port->p_type & PORT_CLASS_mISDN_MASK) == PORT_CLASS_SIP) {
+ psip = (class Psip *)port;
+ if (psip->p_s_handle == nh) {
+ PDEBUG(DEBUG_SIP, "Event found for port %s\n", psip->p_name);
break;
- interface = interface->next;
+ }
}
- if (!interface) {
- PERROR("Cannot find interface %s.\n", inst->interface_name);
- return;
+ port = port->next;
+ }
+ if (!port)
+ psip = NULL;
+
+ /* new handle */
+ switch (event) {
+ case nua_i_options:
+ if (!inst->register_handle) {
+ PDEBUG(DEBUG_SIP, "New options instance\n");
+ inst->register_handle = nh;
}
- if (!(psip = new Psip(PORT_TYPE_SIP_IN, name, NULL, interface)))
- FATAL("Cannot create Port instance.\n");
- } else {
- port = port_first;
- while(port) {
- if ((port->p_type & PORT_CLASS_mISDN_MASK) == PORT_CLASS_SIP) {
- psip = (class Psip *)port;
- if (psip->p_s_handle == nh) {
+ break;
+ case nua_i_register:
+ if (!inst->register_handle) {
+ PDEBUG(DEBUG_SIP, "New register instance\n");
+ inst->register_handle = nh;
+ }
+ break;
+ case nua_i_invite:
+ if (!psip) {
+ char name[64];
+ struct interface *interface = interface_first;
+
+ PDEBUG(DEBUG_SIP, "New psip instance\n");
+
+ /* create call instance */
+ SPRINT(name, "%s-%d-in", inst->interface_name, 0);
+ while (interface) {
+ if (!strcmp(interface->name, inst->interface_name))
break;
- }
+ interface = interface->next;
}
- port = port->next;
+ if (!interface)
+ FATAL("Cannot find interface %s.\n", inst->interface_name);
+ if (!(psip = new Psip(PORT_TYPE_SIP_IN, name, NULL, interface)))
+ FATAL("Cannot create Port instance.\n");
+ }
+ break;
+ default:
+ if (!psip && !inst->register_handle) {
+ PDEBUG(DEBUG_SIP, "Destroying unknown instance\n");
+ nua_handle_destroy(nh);
+ return;
}
}
+
+ /* handle register process */
+ if (inst->register_handle == nh) {
+ switch (event) {
+ case nua_i_options:
+ i_options(inst, status, phrase, nua, magic, nh, hmagic, sip, tags);
+ break;
+ case nua_i_register:
+ i_register(inst, status, phrase, nua, magic, nh, hmagic, sip, tags);
+ break;
+ case nua_r_register:
+ r_register(inst, status, phrase, nua, magic, nh, hmagic, sip, tags);
+ break;
+ default:
+ PDEBUG(DEBUG_SIP, "Event %d not handled\n", event);
+ }
+ return;
+ }
+
+ /* handle port process */
if (!psip) {
PERROR("no SIP Port found for handel %p\n", nh);
nua_respond(nh, SIP_500_INTERNAL_SERVER_ERROR, TAG_END());
case nua_r_set_params:
PDEBUG(DEBUG_SIP, "setparam response\n");
break;
+ case nua_r_options:
+ psip->r_options(status, phrase, nua, magic, nh, hmagic, sip, tags);
+ break;
case nua_i_error:
PDEBUG(DEBUG_SIP, "error received\n");
break;
case nua_i_state:
- PDEBUG(DEBUG_SIP, "state change received\n");
- break;
- case nua_i_register:
- PDEBUG(DEBUG_SIP, "register received\n");
+ psip->i_state(status, phrase, nua, magic, nh, hmagic, sip, tags);
break;
case nua_i_invite:
psip->i_invite(status, phrase, nua, magic, nh, hmagic, sip, tags);
case nua_i_active:
PDEBUG(DEBUG_SIP, "active received\n");
break;
+ case nua_i_options:
+ psip->i_options(status, phrase, nua, magic, nh, hmagic, sip, tags);
+ break;
case nua_i_bye:
psip->i_bye(status, phrase, nua, magic, nh, hmagic, sip, tags);
break;
}
}
+static void stun_bind_cb(stun_discovery_magic_t *magic, stun_handle_t *sh, stun_discovery_t *sd, stun_action_t action, stun_state_t event)
+{
+ struct sip_inst *inst = (struct sip_inst *) magic;
+ su_sockaddr_t sa;
+ socklen_t addrlen;
+
+ PDEBUG(DEBUG_SIP, "Event %d from STUN stack received\n", event);
+
+ switch (event) {
+ case stun_discovery_done:
+ addrlen = sizeof(sa);
+ memset(&sa, 0, addrlen);
+ if (stun_discovery_get_address(sd, &sa, &addrlen) < 0) {
+ PDEBUG(DEBUG_SIP, "stun_discovery_get_address failed\n");
+ goto failed;
+ }
+ su_inet_ntop(sa.su_family, SU_ADDR(&sa), inst->public_ip, sizeof(inst->public_ip));
+ inst->stun_state = STUN_STATE_RESOLVED;
+ /* start timer for next stun request with inst->stun_interval */
+ schedule_timer(&inst->stun_retry_timer, inst->stun_interval, 0);
+ sip_trace_header(NULL, inst->interface_name, "STUN resolved", DIRECTION_OUT);
+ add_trace("ip", "addr", "%s", inst->public_ip);
+ end_trace();
+ break;
+ default:
+failed:
+ PDEBUG(DEBUG_SIP, "STUN failed, starting timer\n");
+ inst->stun_state = STUN_STATE_FAILED;
+ /* start timer for next stun request (after failing) with STUN_RETRY_TIMER */
+ schedule_timer(&inst->stun_retry_timer, STUN_RETRY_TIMER);
+ sip_trace_header(NULL, inst->interface_name, "STUN failed", DIRECTION_OUT);
+ end_trace();
+ }
+}
+
/* received shutdown due to termination of RTP */
void Psip::rtp_shutdown(void)
{
+ struct sip_inst *inst = (struct sip_inst *) p_s_sip_inst;
struct lcr_msg *message;
PDEBUG(DEBUG_SIP, "RTP stream terminated\n");
- sip_trace_header(this, "RTP terminated", DIRECTION_IN);
+ sip_trace_header(this, inst->interface_name, "RTP terminated", DIRECTION_IN);
end_trace();
nua_handle_destroy(p_s_handle);
trigger_work(&p_s_delete);
}
+static int invite_option_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ class Psip *psip = (class Psip *)instance;
+ struct sip_inst *inst = (struct sip_inst *) psip->p_s_sip_inst;
+
+ sip_trace_header(psip, inst->interface_name, "OPTIONS", psip->p_s_invite_direction);
+ end_trace();
+
+ nua_options(psip->p_s_handle,
+ TAG_END());
+
+ return 0;
+}
+
+static int stun_retry_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ struct sip_inst *inst = (struct sip_inst *)instance;
+
+ PDEBUG(DEBUG_SIP, "timeout, restart stun lookup\n");
+ inst->stun_state = STUN_STATE_UNRESOLVED;
+
+ return 0;
+}
+
+static int register_retry_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ struct sip_inst *inst = (struct sip_inst *)instance;
+
+ PDEBUG(DEBUG_SIP, "timeout, restart register\n");
+ /* if we have a handle, destroy it and becom unregistered, so registration is
+ * triggered next */
+ if (inst->register_handle) {
+ /* stop option timer */
+ unsched_timer(&inst->register_option_timer);
+ nua_handle_destroy(inst->register_handle);
+ inst->register_handle = NULL;
+ }
+ inst->register_state = REGISTER_STATE_UNREGISTERED;
+
+ return 0;
+}
+
+static int register_option_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ struct sip_inst *inst = (struct sip_inst *)instance;
+ sip_trace_header(NULL, inst->interface_name, "OPTIONS", DIRECTION_OUT);
+ end_trace();
+
+ nua_options(inst->register_handle,
+ TAG_END());
+
+ return 0;
+}
+
int sip_init_inst(struct interface *interface)
{
struct sip_inst *inst = (struct sip_inst *) MALLOC(sizeof(*inst));
+ char local[256];
interface->sip_inst = inst;
SCPY(inst->interface_name, interface->name);
SCPY(inst->local_peer, interface->sip_local_peer);
SCPY(inst->remote_peer, interface->sip_remote_peer);
+ if (!inst->remote_peer[0])
+ inst->allow_register = 1;
+ SCPY(inst->asserted_id, interface->sip_asserted_id);
+ if (interface->sip_register) {
+ inst->register_state = REGISTER_STATE_UNREGISTERED;
+ SCPY(inst->register_user, interface->sip_register_user);
+ SCPY(inst->register_host, interface->sip_register_host);
+ }
+ SCPY(inst->auth_user, interface->sip_auth_user);
+ SCPY(inst->auth_password, interface->sip_auth_password);
+ SCPY(inst->auth_realm, interface->sip_auth_realm);
+ inst->register_interval = interface->sip_register_interval;
+ inst->options_interval = interface->sip_options_interval;
+
+ inst->rtp_port_from = interface->rtp_port_from;
+ inst->rtp_port_to = interface->rtp_port_to;
+ if (!inst->rtp_port_from || !inst->rtp_port_to) {
+ inst->rtp_port_from = RTP_PORT_BASE;
+ inst->rtp_port_to = RTP_PORT_MAX;
+ }
+ inst->next_rtp_port = inst->rtp_port_from;
+
+ /* create timers */
+ memset(&inst->stun_retry_timer, 0, sizeof(inst->stun_retry_timer));
+ add_timer(&inst->stun_retry_timer, stun_retry_timer, inst, 0);
+ memset(&inst->register_retry_timer, 0, sizeof(inst->register_retry_timer));
+ add_timer(&inst->register_retry_timer, register_retry_timer, inst, 0);
+ memset(&inst->register_option_timer, 0, sizeof(inst->register_option_timer));
+ add_timer(&inst->register_option_timer, register_option_timer, inst, 0);
/* init root object */
inst->root = su_root_create(inst);
return -EINVAL;
}
- inst->nua = nua_create(inst->root, sip_callback, inst, TAG_NULL());
+ SPRINT(local, "sip:%s",inst->local_peer);
+ if (!strchr(inst->local_peer, ':'))
+ SCAT(local, ":5060");
+ inst->nua = nua_create(inst->root, sip_callback, inst, NUTAG_URL(local), TAG_END());
if (!inst->nua) {
PERROR("Failed to create SIP stack object\n");
sip_exit_inst(interface);
return -EINVAL;
}
nua_set_params(inst->nua,
- SIPTAG_ALLOW_STR("INVITE,ACK,BYE,CANCEL,OPTIONS,NOTIFY,INFO"),
+ SIPTAG_ALLOW_STR("REGISTER,INVITE,ACK,BYE,CANCEL,OPTIONS,NOTIFY,INFO"),
+ NUTAG_APPL_METHOD("REGISTER"),
NUTAG_APPL_METHOD("INVITE"),
NUTAG_APPL_METHOD("ACK"),
// NUTAG_APPL_METHOD("BYE"), /* we must reply to BYE */
NUTAG_AUTOANSWER(0),
TAG_NULL());
+ SCPY(inst->public_ip, interface->sip_public_ip);
+ if (interface->sip_stun_server[0]) {
+ SCPY(inst->stun_server, interface->sip_stun_server);
+ inst->stun_interval = interface->sip_stun_interval;
+ inst->stun_handle = stun_handle_init(inst->root,
+ STUNTAG_SERVER(inst->stun_server),
+ TAG_NULL());
+ if (!inst->stun_handle) {
+ PERROR("Failed to create STUN handle\n");
+ sip_exit_inst(interface);
+ return -EINVAL;
+ }
+ inst->stun_socket = su_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (inst->stun_socket < 0) {
+ PERROR("Failed to create STUN socket\n");
+ sip_exit_inst(interface);
+ return -EINVAL;
+ }
+ inst->stun_state = STUN_STATE_UNRESOLVED;
+ }
+
PDEBUG(DEBUG_SIP, "SIP interface created (inst=%p)\n", inst);
+ any_sip_interface = 1;
+
return 0;
}
if (!inst)
return;
+ del_timer(&inst->stun_retry_timer);
+ del_timer(&inst->register_retry_timer);
+ del_timer(&inst->register_option_timer);
+ if (inst->stun_socket)
+ su_close(inst->stun_socket);
+ if (inst->stun_handle)
+ stun_handle_destroy(inst->stun_handle);
+ if (inst->register_handle)
+ nua_handle_destroy(inst->register_handle);
if (inst->root)
su_root_destroy(inst->root);
- if (inst->nua) {
+ if (inst->nua)
nua_destroy(inst->nua);
- }
FREE(inst, sizeof(*inst));
interface->sip_inst = NULL;
PDEBUG(DEBUG_SIP, "SIP interface removed\n");
+
+ /* check if there is any other SIP interface left */
+ interface = interface_first;
+ while (interface) {
+ if (interface->sip_inst)
+ break;
+ interface = interface->next;
+ }
+ if (!interface)
+ any_sip_interface = 0;
}
extern su_log_t su_log_default[];
extern su_log_t nua_log[];
-//extern su_log_t soa_log[];
int sip_init(void)
{
PDEBUG(DEBUG_SIP, "SIP globals de-initialized\n");
}
+static void sip_handle_stun(struct sip_inst *inst)
+{
+ int rc;
+
+ switch (inst->stun_state) {
+ case STUN_STATE_UNRESOLVED:
+ PDEBUG(DEBUG_SIP, "Trying to to get local IP from stun server\n");
+ rc = stun_bind(inst->stun_handle, stun_bind_cb, (stun_discovery_magic_t *)inst,
+ STUNTAG_SOCKET(inst->stun_socket),
+ STUNTAG_REGISTER_EVENTS(1),
+ TAG_NULL());
+ if (rc < 0) {
+ PERROR("Failed to call stun_bind()\n");
+ inst->stun_state = STUN_STATE_FAILED;
+ break;
+ }
+ inst->stun_state = STUN_STATE_RESOLVING;
+ sip_trace_header(NULL, inst->interface_name, "STUN resolving", DIRECTION_OUT);
+ add_trace("server", "addr", "%s", inst->stun_server);
+ end_trace();
+ break;
+ }
+}
+
+static void sip_handle_register(struct sip_inst *inst)
+{
+ char from[128] = "";
+ char to[128] = "";
+ char contact[128] = "";
+
+ switch (inst->register_state) {
+ case REGISTER_STATE_UNREGISTERED:
+ /* wait for resoved stun */
+ if (inst->stun_handle && inst->stun_state != STUN_STATE_RESOLVED)
+ return;
+
+ PDEBUG(DEBUG_SIP, "Registering to peer\n");
+ inst->register_handle = nua_handle(inst->nua, NULL, TAG_END());
+ if (!inst->register_handle) {
+ PERROR("Failed to create handle\n");
+ inst->register_state = REGISTER_STATE_FAILED;
+ break;
+ }
+ /* apply handle to trace */
+// sip_trace_header(NULL, inst->interface_name, "NEW handle", DIRECTION_NONE);
+// add_trace("handle", "new", "0x%x", inst->register_handle);
+// end_trace();
+
+ SPRINT(from, "sip:%s@%s", inst->register_user, inst->register_host);
+ SPRINT(to, "sip:%s@%s", inst->register_user, inst->register_host);
+ if (inst->public_ip[0]) {
+ char *p;
+ SPRINT(contact, "sip:%s@%s", inst->register_user, inst->public_ip);
+ p = strchr(inst->local_peer, ':');
+ if (p)
+ SCAT(contact, p);
+ }
+
+ sip_trace_header(NULL, inst->interface_name, "REGISTER", DIRECTION_OUT);
+ add_trace("from", "uri", "%s", from);
+ add_trace("to", "uri", "%s", to);
+ end_trace();
+
+ nua_register(inst->register_handle,
+ TAG_IF(from[0], SIPTAG_FROM_STR(from)),
+ TAG_IF(to[0], SIPTAG_TO_STR(to)),
+ TAG_IF(contact[0], SIPTAG_CONTACT_STR(contact)),
+ TAG_END());
+
+ inst->register_state = REGISTER_STATE_REGISTERING;
+
+ break;
+ }
+
+}
+
void sip_handle(void)
{
struct interface *interface = interface_first;
if (interface->sip_inst) {
inst = (struct sip_inst *) interface->sip_inst;
su_root_step(inst->root, 0);
+ sip_handle_stun(inst);
+ sip_handle_register(inst);
}
interface = interface->next;
}
return 0;
}
+
+/*
+ * generate audio, if no data is received from bridge
+ */
+
+void Psip::set_tone(const char *dir, const char *tone)
+{
+ Port::set_tone(dir, tone);
+
+ update_load();
+}
+
+void Psip::update_load(void)
+{
+ /* don't trigger load event if event already active */
+ if (p_s_load_timer.active)
+ return;
+
+ /* don't start timer if ... */
+ if (!p_tone_name[0] && !p_dov_tx)
+ return;
+
+ p_s_next_tv_sec = 0;
+ schedule_timer(&p_s_load_timer, 0, 0); /* no delay the first time */
+}
+
+static int load_timer(struct lcr_timer *timer, void *instance, int index)
+{
+ class Psip *psip = (class Psip *)instance;
+
+ /* stop timer if ... */
+ if (!psip->p_tone_name[0] && !psip->p_dov_tx)
+ return 0;
+
+ psip->load_tx();
+
+ return 0;
+}
+
+#define SEND_SIP_LEN 160
+
+void Psip::load_tx(void)
+{
+ int diff;
+ struct timeval current_time;
+ int tosend = SEND_SIP_LEN, i;
+ unsigned char buf[SEND_SIP_LEN], *p = buf;
+
+ /* get elapsed */
+ gettimeofday(¤t_time, NULL);
+ if (!p_s_next_tv_sec) {
+ /* if timer expired the first time, set next expected timeout 160 samples in advance */
+ p_s_next_tv_sec = current_time.tv_sec;
+ p_s_next_tv_usec = current_time.tv_usec + SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ schedule_timer(&p_s_load_timer, 0, SEND_SIP_LEN * 125);
+ } else {
+ diff = 1000000 * (current_time.tv_sec - p_s_next_tv_sec)
+ + (current_time.tv_usec - p_s_next_tv_usec);
+ if (diff < -SEND_SIP_LEN * 125 || diff > SEND_SIP_LEN * 125) {
+ /* if clock drifts too much, set next timeout event to current timer + 160 */
+ diff = 0;
+ p_s_next_tv_sec = current_time.tv_sec;
+ p_s_next_tv_usec = current_time.tv_usec + SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ } else {
+ /* if diff is positive, it took too long, so next timeout will be earlier */
+ p_s_next_tv_usec += SEND_SIP_LEN * 125;
+ if (p_s_next_tv_usec >= 1000000) {
+ p_s_next_tv_usec -= 1000000;
+ p_s_next_tv_sec++;
+ }
+ }
+ schedule_timer(&p_s_load_timer, 0, SEND_SIP_LEN * 125 - diff);
+ }
+
+ /* copy tones */
+ if (p_tone_name[0]) {
+ tosend -= read_audio(p, tosend);
+ } else
+ if (p_dov_tx) {
+ tosend -= dov_tx(p, tosend);
+ }
+ if (tosend) {
+ PERROR("buffer is not completely filled\n");
+ return;
+ }
+
+ p = buf;
+ for (i = 0; i < SEND_SIP_LEN; i++) {
+ *p = flip[*p];
+ p++;
+ }
+ /* transmit data via rtp */
+ rtp_send_frame(buf, SEND_SIP_LEN, (options.law=='a')?PAYLOAD_TYPE_ALAW:PAYLOAD_TYPE_ULAW);
+}
+
projects / lcr.git / blobdiff