freeswitch/src/mod/endpoints/mod_sofia/mod_sofia.c

5445 lines
165 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
* Ken Rice, Asteria Solutions Group, Inc <ken@asteriasgi.com>
* Paul D. Tinsley <pdt at jackhammer.org>
*
*
* mod_sofia.c -- SOFIA SIP Endpoint
*
*/
/* Best viewed in a 160 x 60 VT100 Terminal or so the line below at least fits across your screen*/
/*************************************************************************************************************************************************************/
/*Defines etc..*/
/*************************************************************************************************************************************************************/
#define HAVE_APR
#include <switch.h>
static const switch_state_handler_table_t noop_state_handler = {0};
struct outbound_reg;
typedef struct outbound_reg outbound_reg_t;
struct sofia_profile;
typedef struct sofia_profile sofia_profile_t;
#define NUA_MAGIC_T sofia_profile_t
struct sofia_private {
switch_core_session_t *session;
outbound_reg_t *oreg;
};
typedef struct sofia_private sofia_private_t;
struct private_object;
typedef struct private_object private_object_t;
#define NUA_HMAGIC_T sofia_private_t
#define MY_EVENT_REGISTER "sofia::register"
#define MY_EVENT_EXPIRE "sofia::expire"
#define MULTICAST_EVENT "multicast::event"
#define SOFIA_REPLACES_HEADER "_sofia_replaces_"
#define SOFIA_USER_AGENT "FreeSWITCH(mod_sofia)"
#define SOFIA_CHAT_PROTO "sip"
#include <sofia-sip/nua.h>
#include <sofia-sip/sip_status.h>
#include <sofia-sip/sdp.h>
#include <sofia-sip/sip_protos.h>
#include <sofia-sip/auth_module.h>
#include <sofia-sip/su_md5.h>
#include <sofia-sip/su_log.h>
#include <sofia-sip/nea.h>
extern su_log_t tport_log[];
static switch_frame_t silence_frame = { 0 };
static char silence_data[13] = "";
static char reg_sql[] =
"CREATE TABLE sip_registrations (\n"
" user VARCHAR(255),\n"
" host VARCHAR(255),\n"
" contact VARCHAR(1024),\n"
" status VARCHAR(255),\n"
" rpid VARCHAR(255),\n"
" expires INTEGER(8)"
");\n";
static char sub_sql[] =
"CREATE TABLE sip_subscriptions (\n"
" proto VARCHAR(255),\n"
" user VARCHAR(255),\n"
" host VARCHAR(255),\n"
" sub_to_user VARCHAR(255),\n"
" sub_to_host VARCHAR(255),\n"
" event VARCHAR(255),\n"
" contact VARCHAR(1024),\n"
" call_id VARCHAR(255),\n"
" full_from VARCHAR(255),\n"
" full_via VARCHAR(255),\n"
" expires INTEGER(8)"
");\n";
static char auth_sql[] =
"CREATE TABLE sip_authentication (\n"
" user VARCHAR(255),\n"
" host VARCHAR(255),\n"
" passwd VARCHAR(255),\n"
" nonce VARCHAR(255),\n"
" expires INTEGER(8)"
");\n";
static const char modname[] = "mod_sofia";
#define STRLEN 15
static switch_memory_pool_t *module_pool = NULL;
#define set_param(ptr,val) if (ptr) {free(ptr) ; ptr = NULL;} if (val) {ptr = strdup(val);}
#define set_anchor(t,m) if (t->Anchor) {delete t->Anchor;} t->Anchor = new SipMessage(m);
/* Local Structures */
/*************************************************************************************************************************************************************/
struct sip_alias_node {
char *url;
nua_t *nua;
struct sip_alias_node *next;
};
typedef struct sip_alias_node sip_alias_node_t;
typedef enum {
PFLAG_AUTH_CALLS = (1 << 0),
PFLAG_BLIND_REG = (1 << 1),
PFLAG_AUTH_ALL = (1 << 2),
PFLAG_FULL_ID = (1 << 3),
PFLAG_PRESENCE = (1 << 4)
} PFLAGS;
typedef enum {
TFLAG_IO = (1 << 0),
TFLAG_CHANGE_MEDIA = (1 << 1),
TFLAG_OUTBOUND = (1 << 2),
TFLAG_READING = (1 << 3),
TFLAG_WRITING = (1 << 4),
TFLAG_HUP = (1 << 5),
TFLAG_RTP = (1 << 6),
TFLAG_BYE = (1 << 7),
TFLAG_ANS = (1 << 8),
TFLAG_EARLY_MEDIA = (1 << 9),
TFLAG_SECURE = (1 << 10),
TFLAG_VAD_IN = ( 1 << 11),
TFLAG_VAD_OUT = ( 1 << 12),
TFLAG_VAD = ( 1 << 13),
TFLAG_TIMER = (1 << 14),
TFLAG_READY = (1 << 15),
TFLAG_REINVITE = (1 << 16),
TFLAG_REFER = (1 << 17),
TFLAG_NOHUP = (1 << 18),
TFLAG_XFER = (1 << 19),
TFLAG_NOMEDIA = (1 << 20),
TFLAG_BUGGY_2833 = (1 << 21),
TFLAG_SIP_HOLD = (1 << 22),
TFLAG_RWLOCK = (1 << 23)
} TFLAGS;
static struct {
switch_hash_t *profile_hash;
switch_mutex_t *hash_mutex;
uint32_t callid;
int32_t running;
switch_mutex_t *mutex;
} globals;
typedef enum {
REG_FLAG_AUTHED = (1 << 0),
} reg_flags_t;
typedef enum {
REG_STATE_UNREGED,
REG_STATE_TRYING,
REG_STATE_REGISTER,
REG_STATE_REGED,
REG_STATE_FAILED,
REG_STATE_EXPIRED
} reg_state_t;
struct outbound_reg {
sofia_private_t sofia_private;
nua_handle_t *nh;
sofia_profile_t *profile;
char *name;
char *register_scheme;
char *register_realm;
char *register_username;
char *register_password;
char *register_from;
char *register_to;
char *register_proxy;
char *expires_str;
uint32_t freq;
time_t expires;
time_t retry;
uint32_t flags;
reg_state_t state;
switch_memory_pool_t *pool;
struct outbound_reg *next;
};
struct sofia_profile {
int debug;
char *name;
char *dbname;
char *dialplan;
char *context;
char *extrtpip;
char *rtpip;
char *sipip;
char *extsipip;
char *username;
char *url;
char *sipdomain;
char *timer_name;
int sip_port;
char *codec_string;
char *codec_order[SWITCH_MAX_CODECS];
int codec_order_last;
int running;
int codec_ms;
int dtmf_duration;
unsigned int flags;
unsigned int pflags;
uint32_t max_calls;
nua_t *nua;
switch_memory_pool_t *pool;
su_root_t *s_root;
sip_alias_node_t *aliases;
switch_payload_t te;
uint32_t codec_flags;
switch_mutex_t *ireg_mutex;
switch_mutex_t *oreg_mutex;
outbound_reg_t *registrations;
su_home_t *home;
switch_hash_t *profile_hash;
switch_hash_t *chat_hash;
};
struct private_object {
sofia_private_t sofia_private;
uint32_t flags;
switch_payload_t agreed_pt;
switch_core_session_t *session;
switch_frame_t read_frame;
const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS];
int num_codecs;
switch_codec_t read_codec;
switch_codec_t write_codec;
uint32_t codec_ms;
switch_caller_profile_t *caller_profile;
int32_t timestamp_send;
int32_t timestamp_recv;
switch_rtp_t *rtp_session;
int ssrc;
switch_time_t last_read;
sofia_profile_t *profile;
char *local_sdp_audio_ip;
switch_port_t local_sdp_audio_port;
char *remote_sdp_audio_ip;
switch_port_t remote_sdp_audio_port;
char *adv_sdp_audio_ip;
switch_port_t adv_sdp_audio_port;
char *proxy_sdp_audio_ip;
switch_port_t proxy_sdp_audio_port;
char *from_uri;
char *to_uri;
char *from_address;
char *to_address;
char *callid;
char *far_end_contact;
char *contact_url;
char *from_str;
char *rm_encoding;
char *rm_fmtp;
char *fmtp_out;
char *remote_sdp_str;
char *local_sdp_str;
char *dest;
char *key;
char *xferto;
char *kick;
char *origin;
char *hash_key;
char *chat_from;
char *chat_to;
char *e_dest;
unsigned long rm_rate;
switch_payload_t pt;
switch_mutex_t *flag_mutex;
switch_payload_t te;
nua_handle_t *nh;
nua_handle_t *nh2;
su_home_t *home;
sip_contact_t *contact;
};
/* Function Prototypes */
/*************************************************************************************************************************************************************/
static switch_status_t sofia_on_init(switch_core_session_t *session);
static switch_status_t sofia_on_hangup(switch_core_session_t *session);
static switch_status_t sofia_on_loopback(switch_core_session_t *session);
static switch_status_t sofia_on_transmit(switch_core_session_t *session);
static switch_status_t sofia_outgoing_channel(switch_core_session_t *session, switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t *pool);
static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout,
switch_io_flag_t flags, int stream_id);
static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout,
switch_io_flag_t flags, int stream_id);
static switch_status_t config_sofia(int reload);
static switch_status_t sofia_kill_channel(switch_core_session_t *session, int sig);
static switch_status_t activate_rtp(private_object_t *tech_pvt);
static void deactivate_rtp(private_object_t *tech_pvt);
static void set_local_sdp(private_object_t *tech_pvt, char *ip, uint32_t port, char *sr, int force);
static void tech_set_codecs(private_object_t *tech_pvt);
static void attach_private(switch_core_session_t *session,
sofia_profile_t *profile,
private_object_t *tech_pvt,
char *channame);
static void terminate_session(switch_core_session_t **session, switch_call_cause_t cause, int line);
static switch_status_t tech_choose_port(private_object_t *tech_pvt);
static void do_invite(switch_core_session_t *session);
static uint8_t negotiate_sdp(switch_core_session_t *session, sdp_session_t *sdp);
static char *get_auth_data(char *dbname, char *nonce, char *npassword, size_t len, switch_mutex_t *mutex);
static void establish_presence(sofia_profile_t *profile);
static void sip_i_state(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[]);
static void sip_i_refer(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[]);
static void sip_i_info(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
switch_core_session_t *session,
sip_t const *sip,
tagi_t tags[]);
static void sip_i_invite(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[]);
static void sip_i_register(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[]);
static void event_callback(nua_event_t event,
int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[]);
static void *SWITCH_THREAD_FUNC profile_thread_run(switch_thread_t *thread, void *obj);
static void launch_profile_thread(sofia_profile_t *profile);
static switch_status_t config_sofia(int reload);
static switch_status_t chat_send(char *proto, char *from, char *to, char *subject, char *body, char *hint);
/* BODY OF THE MODULE */
/*************************************************************************************************************************************************************/
typedef enum {
AUTH_OK,
AUTH_FORBIDDEN,
AUTH_STALE,
} auth_res_t;
static char *get_url_from_contact(char *buf, uint8_t dup)
{
char *url = NULL, *e;
if ((url = strchr(buf, '<')) && (e = strchr(url, '>'))) {
url++;
if (dup) {
url = strdup(url);
e = strchr(url, '>');
}
*e = '\0';
}
return url;
}
static auth_res_t parse_auth(sofia_profile_t *profile, sip_authorization_t const *authorization, char *regstr, char *np, size_t nplen)
{
int index;
char *cur;
su_md5_t ctx;
char uridigest[2 * SU_MD5_DIGEST_SIZE + 1];
char bigdigest[2 * SU_MD5_DIGEST_SIZE + 1];
char *nonce, *uri, *qop, *cnonce, *nc, *response, *input = NULL, *input2 = NULL;
auth_res_t ret = AUTH_FORBIDDEN;
char *npassword = NULL;
int cnt = 0;
nonce = uri = qop = cnonce = nc = response = NULL;
if (authorization->au_params) {
for(index = 0; (cur=(char*)authorization->au_params[index]); index++) {
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';
}
if (!strcasecmp(var, "nonce")) {
nonce = strdup(val);
cnt++;
} else if (!strcasecmp(var, "uri")) {
uri = strdup(val);
cnt++;
} else if (!strcasecmp(var, "qop")) {
qop = strdup(val);
cnt++;
} else if (!strcasecmp(var, "cnonce")) {
cnonce = strdup(val);
cnt++;
} else if (!strcasecmp(var, "response")) {
response = strdup(val);
cnt++;
} else if (!strcasecmp(var, "nc")) {
nc = strdup(val);
cnt++;
}
}
free(work);
}
}
}
if (cnt != 6) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Authorization header!\n");
goto end;
}
if (switch_strlen_zero(np)) {
if (!get_auth_data(profile->dbname, nonce, np, nplen, profile->ireg_mutex)) {
ret = AUTH_STALE;
goto end;
}
}
npassword = np;
if ((input = switch_mprintf("%s:%q", regstr, uri))) {
su_md5_init(&ctx);
su_md5_strupdate(&ctx, input);
su_md5_hexdigest(&ctx, uridigest);
su_md5_deinit(&ctx);
}
if ((input2 = switch_mprintf("%q:%q:%q:%q:%q:%q", npassword, nonce, nc, cnonce, qop, uridigest))) {
memset(&ctx, 0, sizeof(ctx));
su_md5_init(&ctx);
su_md5_strupdate(&ctx, input2);
su_md5_hexdigest(&ctx, bigdigest);
su_md5_deinit(&ctx);
if (!strcasecmp(bigdigest, response)) {
ret = AUTH_OK;
} else {
ret = AUTH_FORBIDDEN;
}
}
end:
if (input) {
switch_safe_free(input);
}
if (input2) {
switch_safe_free(input2);
}
switch_safe_free(nonce);
switch_safe_free(uri);
switch_safe_free(qop);
switch_safe_free(cnonce);
switch_safe_free(nc);
switch_safe_free(response);
return ret;
}
static void execute_sql(char *dbname, char *sql, switch_mutex_t *mutex)
{
switch_core_db_t *db;
if (mutex) {
switch_mutex_lock(mutex);
}
if (!(db = switch_core_db_open_file(dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", dbname);
goto end;
}
switch_core_db_persistant_execute(db, sql, 25);
switch_core_db_close(db);
end:
if (mutex) {
switch_mutex_unlock(mutex);
}
}
struct callback_t {
char *val;
switch_size_t len;
int matches;
};
static int find_callback(void *pArg, int argc, char **argv, char **columnNames){
struct callback_t *cbt = (struct callback_t *) pArg;
switch_copy_string(cbt->val, argv[0], cbt->len);
cbt->matches++;
return 0;
}
static int del_callback(void *pArg, int argc, char **argv, char **columnNames){
switch_event_t *s_event;
if (argc >=3 ) {
if (switch_event_create_subclass(&s_event, SWITCH_EVENT_CUSTOM, MY_EVENT_EXPIRE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "profile-name", "%s", argv[0]);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "user", "%s", argv[1]);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "host", "%s", argv[2]);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "contact", "%s", argv[3]);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "expires", "%d", argv[4]);
switch_event_fire(&s_event);
}
}
return 0;
}
static void check_expire(sofia_profile_t *profile, time_t now)
{
char sql[1024];
char *errmsg;
switch_core_db_t *db;
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
return;
}
switch_mutex_lock(profile->ireg_mutex);
snprintf(sql, sizeof(sql), "select '%s',* from sip_registrations where expires > 0 and expires < %ld", profile->name, (long) now);
switch_core_db_exec(db, sql, del_callback, NULL, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s][%s]\n", sql, errmsg);
switch_safe_free(errmsg);
errmsg = NULL;
}
snprintf(sql, sizeof(sql), "delete from sip_registrations where expires > 0 and expires < %ld", (long) now);
switch_core_db_persistant_execute(db, sql, 1000);
snprintf(sql, sizeof(sql), "delete from sip_authentication where expires > 0 and expires < %ld", (long) now);
switch_core_db_persistant_execute(db, sql, 1000);
snprintf(sql, sizeof(sql), "delete from sip_subscriptions where expires > 0 and expires < %ld", (long) now);
switch_core_db_persistant_execute(db, sql, 1000);
switch_mutex_unlock(profile->ireg_mutex);
switch_core_db_close(db);
}
static char *find_reg_url(sofia_profile_t *profile, char *user, char *host, char *val, switch_size_t len)
{
char *errmsg;
struct callback_t cbt = {0};
switch_core_db_t *db;
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
return NULL;
}
cbt.val = val;
cbt.len = len;
switch_mutex_lock(profile->ireg_mutex);
if (host) {
snprintf(val, len, "select contact from sip_registrations where user='%s' and host='%s'", user, host);
} else {
snprintf(val, len, "select contact from sip_registrations where user='%s'", user);
}
switch_core_db_exec(db, val, find_callback, &cbt, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s][%s]\n", val, errmsg);
switch_safe_free(errmsg);
errmsg = NULL;
}
switch_mutex_unlock(profile->ireg_mutex);
switch_core_db_close(db);
return cbt.matches ? val : NULL;
}
static void set_local_sdp(private_object_t *tech_pvt, char *ip, uint32_t port, char *sr, int force)
{
char buf[1024];
switch_time_t now = switch_time_now();
if (!force && !ip && !sr && switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
return;
}
if (!ip) {
if (!(ip = tech_pvt->adv_sdp_audio_ip)) {
ip = tech_pvt->proxy_sdp_audio_ip;
}
}
if (!port) {
if (!(port = tech_pvt->adv_sdp_audio_port)) {
port = tech_pvt->proxy_sdp_audio_port;
}
}
if (!sr) {
sr = "sendrecv";
}
snprintf(buf, sizeof(buf),
"v=0\n"
"o=FreeSWITCH %d%"APR_TIME_T_FMT" %d%"APR_TIME_T_FMT" IN IP4 %s\n"
"s=FreeSWITCH\n"
"c=IN IP4 %s\n"
"t=0 0\n"
"a=%s\n"
"m=audio %d RTP/AVP",
port,
now,
port,
now,
ip,
ip,
sr,
port
);
if (tech_pvt->rm_encoding) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", tech_pvt->pt);
} else if (tech_pvt->num_codecs) {
int i;
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", imp->ianacode);
}
}
if (tech_pvt->te > 95) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %d", tech_pvt->te);
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "\n");
if (tech_pvt->rm_encoding) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d %s/%ld\n", tech_pvt->pt, tech_pvt->rm_encoding, tech_pvt->rm_rate);
if (tech_pvt->fmtp_out) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=fmtp:%d %s\n", tech_pvt->pt, tech_pvt->fmtp_out);
}
if (tech_pvt->read_codec.implementation) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=ptime:%d\n", tech_pvt->read_codec.implementation->microseconds_per_frame / 1000);
}
} else if (tech_pvt->num_codecs) {
int i;
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d %s/%d\n", imp->ianacode, imp->iananame, imp->samples_per_second);
if (imp->fmtp) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=fmtp:%d %s\n", imp->ianacode, imp->fmtp);
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=ptime:%d\n", imp->microseconds_per_frame / 1000);
}
}
if (tech_pvt->te > 95) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", tech_pvt->te, tech_pvt->te);
}
tech_pvt->local_sdp_str = switch_core_session_strdup(tech_pvt->session, buf);
}
static void tech_set_codecs(private_object_t *tech_pvt)
{
switch_channel_t *channel;
char *codec_string = NULL;
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
return;
}
if (tech_pvt->num_codecs) {
return;
}
assert(tech_pvt->session != NULL);
channel = switch_core_session_get_channel(tech_pvt->session);
assert (channel != NULL);
if (!(codec_string = switch_channel_get_variable(channel, "codec_string"))) {
codec_string = tech_pvt->profile->codec_string;
}
if (codec_string) {
tech_pvt->num_codecs = switch_loadable_module_get_codecs_sorted(tech_pvt->codecs,
SWITCH_MAX_CODECS,
tech_pvt->profile->codec_order,
tech_pvt->profile->codec_order_last);
} else {
tech_pvt->num_codecs = switch_loadable_module_get_codecs(switch_core_session_get_pool(tech_pvt->session), tech_pvt->codecs,
sizeof(tech_pvt->codecs) / sizeof(tech_pvt->codecs[0]));
}
}
static void attach_private(switch_core_session_t *session,
sofia_profile_t *profile,
private_object_t *tech_pvt,
char *channame)
{
switch_channel_t *channel;
char name[256];
assert(session != NULL);
assert(profile != NULL);
assert(tech_pvt != NULL);
switch_core_session_add_stream(session, NULL);
channel = switch_core_session_get_channel(session);
switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
switch_mutex_lock(tech_pvt->flag_mutex);
tech_pvt->flags = profile->flags;
switch_mutex_unlock(tech_pvt->flag_mutex);
tech_pvt->profile = profile;
tech_pvt->te = profile->te;
tech_pvt->session = session;
tech_pvt->home = su_home_new(sizeof(*tech_pvt->home));
switch_core_session_set_private(session, tech_pvt);
tech_set_codecs(tech_pvt);
snprintf(name, sizeof(name), "sofia/%s/%s", profile->name, channame);
switch_channel_set_name(channel, name);
}
static void terminate_session(switch_core_session_t **session, switch_call_cause_t cause, int line)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Term called from line: %d\n", line);
if (*session) {
switch_channel_t *channel = switch_core_session_get_channel(*session);
switch_channel_state_t state = switch_channel_get_state(channel);
struct private_object *tech_pvt = NULL;
tech_pvt = switch_core_session_get_private(*session);
if (tech_pvt) {
if (state > CS_INIT && state < CS_HANGUP) {
switch_channel_hangup(channel, cause);
}
if (!switch_test_flag(tech_pvt, TFLAG_READY)) {
if (state > CS_INIT && state < CS_HANGUP) {
sofia_on_hangup(*session);
}
switch_core_session_destroy(session);
}
} else {
switch_core_session_destroy(session);
}
}
}
static switch_status_t tech_choose_port(private_object_t *tech_pvt)
{
char *ip = tech_pvt->profile->rtpip;
switch_channel_t *channel;
switch_port_t sdp_port;
char *err;
char tmp[50];
channel = switch_core_session_get_channel(tech_pvt->session);
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA) || tech_pvt->adv_sdp_audio_port) {
return SWITCH_STATUS_SUCCESS;
}
tech_pvt->local_sdp_audio_ip = ip;
tech_pvt->local_sdp_audio_port = switch_rtp_request_port();
sdp_port = tech_pvt->local_sdp_audio_port;
if (tech_pvt->profile->extrtpip) {
if (!strncasecmp(tech_pvt->profile->extrtpip, "stun:", 5)) {
char *stun_ip = tech_pvt->profile->extrtpip + 5;
if (!stun_ip) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Stun Failed! NO STUN SERVER\n");
terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
return SWITCH_STATUS_FALSE;
}
if (switch_stun_lookup(&ip,
&sdp_port,
stun_ip,
SWITCH_STUN_DEFAULT_PORT,
&err,
switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Stun Failed! %s:%d [%s]\n", stun_ip, SWITCH_STUN_DEFAULT_PORT, err);
terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Stun Success [%s]:[%d]\n", ip, sdp_port);
} else {
ip = tech_pvt->profile->extrtpip;
}
}
tech_pvt->adv_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, ip);
tech_pvt->adv_sdp_audio_port = sdp_port;
snprintf(tmp, sizeof(tmp), "%d", sdp_port);
switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, tech_pvt->adv_sdp_audio_ip);
switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, tmp);
return SWITCH_STATUS_SUCCESS;
}
static void do_invite(switch_core_session_t *session)
{
char rpid[1024] = { 0 };
char alert_info[1024] = { 0 };
char *alertbuf;
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
switch_caller_profile_t *caller_profile;
char *cid_name, *cid_num;
char *e_dest = NULL;
char *holdstr = "";
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
caller_profile = switch_channel_get_caller_profile(channel);
cid_name = (char *) caller_profile->caller_id_name;
cid_num = (char *) caller_profile->caller_id_number;
if ((tech_pvt->from_str = switch_mprintf("\"%s\" <sip:%s@%s>",
cid_name,
cid_num,
tech_pvt->profile->sipip
))) {
char *rep = switch_channel_get_variable(channel, SOFIA_REPLACES_HEADER);
if ((alertbuf = switch_channel_get_variable(channel, "alert_info"))) {
snprintf(alert_info, sizeof(alert_info) - 1, "Alert-Info: %s", alertbuf);
}
tech_choose_port(tech_pvt);
set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
switch_set_flag_locked(tech_pvt, TFLAG_READY);
// forge a RPID for now KHR -- Should wrap this in an if statement so it can be turned on and off
if (switch_test_flag(caller_profile, SWITCH_CPF_SCREEN)) {
char *priv = "off";
char *screen = "no";
if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NAME)) {
priv = "name";
if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NUMBER)) {
priv = "yes";
}
} else if (switch_test_flag(caller_profile, SWITCH_CPF_HIDE_NUMBER)) {
priv = "yes";
}
if (switch_test_flag(caller_profile, SWITCH_CPF_SCREEN)) {
screen = "yes";
}
snprintf(rpid, sizeof(rpid) - 1, "Remote-Party-ID: %s;party=calling;screen=%s;privacy=%s", tech_pvt->from_str, screen, priv);
}
if (!tech_pvt->nh) {
tech_pvt->nh = nua_handle(tech_pvt->profile->nua, NULL,
SIPTAG_TO_STR(tech_pvt->dest),
SIPTAG_FROM_STR(tech_pvt->from_str),
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
TAG_END());
tech_pvt->sofia_private.session = session;
nua_handle_bind(tech_pvt->nh, &tech_pvt->sofia_private);
}
if (tech_pvt->e_dest && (e_dest = strdup(tech_pvt->e_dest))) {
char *user = e_dest, *host = NULL;
char hash_key[256] = "";
if ((host = strchr(user, '@'))) {
*host++ = '\0';
}
snprintf(hash_key, sizeof(hash_key), "%s%s%s", user, host, cid_num);
tech_pvt->chat_from = tech_pvt->from_str;
tech_pvt->chat_to = tech_pvt->dest;
tech_pvt->hash_key = switch_core_session_strdup(tech_pvt->session, hash_key);
switch_core_hash_insert(tech_pvt->profile->chat_hash, tech_pvt->hash_key, tech_pvt);
free(e_dest);
}
holdstr = switch_test_flag(tech_pvt, TFLAG_SIP_HOLD) ? "*" : "";
nua_invite(tech_pvt->nh,
TAG_IF(rpid, SIPTAG_HEADER_STR(rpid)),
TAG_IF(alert_info, SIPTAG_HEADER_STR(alert_info)),
//SIPTAG_CONTACT_STR(tech_pvt->profile->url),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_RTP_SORT(SOA_RTP_SORT_REMOTE),
SOATAG_RTP_SELECT(SOA_RTP_SELECT_ALL),
TAG_IF(rep, SIPTAG_REPLACES_STR(rep)),
SOATAG_HOLD(holdstr),
TAG_END());
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
}
}
static void do_xfer_invite(switch_core_session_t *session)
{
char rpid[1024];
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
switch_caller_profile_t *caller_profile;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
caller_profile = switch_channel_get_caller_profile(channel);
if ((tech_pvt->from_str = switch_mprintf("\"%s\" <sip:%s@%s>",
(char *) caller_profile->caller_id_name,
(char *) caller_profile->caller_id_number,
tech_pvt->profile->sipip
))) {
char *rep = switch_channel_get_variable(channel, SOFIA_REPLACES_HEADER);
tech_pvt->nh2 = nua_handle(tech_pvt->profile->nua, NULL,
SIPTAG_TO_STR(tech_pvt->dest),
SIPTAG_FROM_STR(tech_pvt->from_str),
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
TAG_END());
nua_handle_bind(tech_pvt->nh2, &tech_pvt->sofia_private);
nua_invite(tech_pvt->nh2,
TAG_IF(rpid, SIPTAG_HEADER_STR(rpid)),
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_RTP_SORT(SOA_RTP_SORT_REMOTE),
SOATAG_RTP_SELECT(SOA_RTP_SELECT_ALL),
TAG_IF(rep, SIPTAG_REPLACES_STR(rep)),
TAG_END());
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
}
}
static void tech_absorb_sdp(private_object_t *tech_pvt)
{
switch_channel_t *channel;
char *sdp_str;
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if ((sdp_str = switch_channel_get_variable(channel, SWITCH_B_SDP_VARIABLE))) {
sdp_parser_t *parser;
sdp_session_t *sdp;
sdp_media_t *m;
if ((parser = sdp_parse(tech_pvt->home, sdp_str, (int)strlen(sdp_str), 0))) {
if ((sdp = sdp_session(parser))) {
for (m = sdp->sdp_media; m ; m = m->m_next) {
tech_pvt->proxy_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, (char *)sdp->sdp_connection->c_address);
tech_pvt->proxy_sdp_audio_port = (switch_port_t)m->m_port;
if (tech_pvt->proxy_sdp_audio_ip && tech_pvt->proxy_sdp_audio_port) {
break;
}
}
}
sdp_parser_free(parser);
}
tech_pvt->local_sdp_str = switch_core_session_strdup(tech_pvt->session, sdp_str);
}
}
/*
State methods they get called when the state changes to the specific state
returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
*/
static switch_status_t sofia_on_init(switch_core_session_t *session)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
tech_pvt->read_frame.buflen = SWITCH_RTP_MAX_BUF_LEN;
switch_channel_set_variable(channel, "endpoint_disposition", "INIT");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA INIT\n");
if (switch_channel_test_flag(channel, CF_NOMEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_NOMEDIA);
tech_absorb_sdp(tech_pvt);
}
if (switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
do_invite(session);
}
/* Move Channel's State Machine to RING */
switch_channel_set_state(channel, CS_RING);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_ring(switch_core_session_t *session)
{
switch_channel_t *channel = NULL;
private_object_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_channel_set_variable(channel, "endpoint_disposition", "RING");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA RING\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_execute(switch_core_session_t *session)
{
switch_channel_t *channel = NULL;
private_object_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_channel_set_variable(channel, "endpoint_disposition", "EXECUTE");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA EXECUTE\n");
return SWITCH_STATUS_SUCCESS;
}
// map QSIG cause codes to SIP from RFC4497 section 8.4.1
static int hangup_cause_to_sip(switch_call_cause_t cause) {
switch (cause) {
case SWITCH_CAUSE_UNALLOCATED:
case SWITCH_CAUSE_NO_ROUTE_TRANSIT_NET:
case SWITCH_CAUSE_NO_ROUTE_DESTINATION:
return 404;
case SWITCH_CAUSE_USER_BUSY:
return 486;
case SWITCH_CAUSE_NO_USER_RESPONSE:
return 408;
case SWITCH_CAUSE_NO_ANSWER:
return 480;
case SWITCH_CAUSE_SUBSCRIBER_ABSENT:
return 480;
case SWITCH_CAUSE_CALL_REJECTED:
return 603;
case SWITCH_CAUSE_NUMBER_CHANGED:
case SWITCH_CAUSE_REDIRECTION_TO_NEW_DESTINATION:
return 410;
case SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER:
return 502;
case SWITCH_CAUSE_INVALID_NUMBER_FORMAT:
return 484;
case SWITCH_CAUSE_FACILITY_REJECTED:
return 501;
case SWITCH_CAUSE_NORMAL_UNSPECIFIED:
return 480;
case SWITCH_CAUSE_NORMAL_CIRCUIT_CONGESTION:
case SWITCH_CAUSE_NETWORK_OUT_OF_ORDER:
case SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE:
case SWITCH_CAUSE_SWITCH_CONGESTION:
return 503;
case SWITCH_CAUSE_OUTGOING_CALL_BARRED:
case SWITCH_CAUSE_INCOMING_CALL_BARRED:
case SWITCH_CAUSE_BEARERCAPABILITY_NOTAUTH:
return 403;
case SWITCH_CAUSE_BEARERCAPABILITY_NOTAVAIL:
return 503;
case SWITCH_CAUSE_BEARERCAPABILITY_NOTIMPL:
return 488;
case SWITCH_CAUSE_FACILITY_NOT_IMPLEMENTED:
case SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED:
return 501;
case SWITCH_CAUSE_INCOMPATIBLE_DESTINATION:
return 503;
case SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE:
return 504;
case SWITCH_CAUSE_ORIGINATOR_CANCEL:
return 487;
default:
return 480;
}
}
static switch_status_t sofia_on_hangup(switch_core_session_t *session)
{
switch_core_session_t *asession;
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
switch_call_cause_t cause;
int sip_cause;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
cause = switch_channel_get_cause(channel);
sip_cause = hangup_cause_to_sip(cause);
deactivate_rtp(tech_pvt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Channel %s hanging up, cause: %s\n",
switch_channel_get_name(channel), switch_channel_cause2str(cause), sip_cause);
if (tech_pvt->hash_key) {
switch_core_hash_delete(tech_pvt->profile->chat_hash, tech_pvt->hash_key);
}
if (tech_pvt->kick && (asession = switch_core_session_locate(tech_pvt->kick))) {
switch_channel_t *a_channel = switch_core_session_get_channel(asession);
switch_channel_hangup(a_channel, switch_channel_get_cause(channel));
switch_core_session_rwunlock(asession);
}
if (tech_pvt->nh) {
if (!switch_test_flag(tech_pvt, TFLAG_BYE)) {
if (switch_test_flag(tech_pvt, TFLAG_ANS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending BYE\n");
nua_bye(tech_pvt->nh, TAG_END());
} else {
if (!switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Responding to INVITE with: %d\n", sip_cause);
nua_respond(tech_pvt->nh, sip_cause, NULL, TAG_END());
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending CANCEL\n");
nua_cancel(tech_pvt->nh, TAG_END());
}
}
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
}
}
if (tech_pvt->from_str) {
switch_safe_free(tech_pvt->from_str);
}
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
if (tech_pvt->home) {
su_home_unref(tech_pvt->home);
tech_pvt->home = NULL;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_loopback(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA LOOPBACK\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_on_transmit(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SOFIA TRANSMIT\n");
return SWITCH_STATUS_SUCCESS;
}
static void deactivate_rtp(private_object_t *tech_pvt)
{
int loops = 0;//, sock = -1;
if (switch_rtp_ready(tech_pvt->rtp_session)) {
while (loops < 10 && (switch_test_flag(tech_pvt, TFLAG_READING) || switch_test_flag(tech_pvt, TFLAG_WRITING))) {
switch_yield(10000);
loops++;
}
switch_rtp_destroy(&tech_pvt->rtp_session);
}
}
static switch_status_t tech_set_codec(private_object_t *tech_pvt, int force)
{
switch_channel_t *channel;
if (tech_pvt->read_codec.implementation) {
if (!force) {
return SWITCH_STATUS_SUCCESS;
}
if (strcasecmp(tech_pvt->read_codec.implementation->iananame, tech_pvt->rm_encoding) ||
tech_pvt->read_codec.implementation->samples_per_second != tech_pvt->rm_rate) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Changing Codec from %s to %s\n",
tech_pvt->read_codec.implementation->iananame, tech_pvt->rm_encoding);
switch_core_codec_destroy(&tech_pvt->read_codec);
switch_core_codec_destroy(&tech_pvt->write_codec);
switch_core_session_reset(tech_pvt->session);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Already using %s\n",
tech_pvt->read_codec.implementation->iananame);
return SWITCH_STATUS_SUCCESS;
}
}
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if (switch_core_codec_init(&tech_pvt->read_codec,
tech_pvt->rm_encoding,
tech_pvt->rm_fmtp,
tech_pvt->rm_rate,
tech_pvt->codec_ms,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE | tech_pvt->profile->codec_flags,
NULL,
switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n");
terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
return SWITCH_STATUS_FALSE;
} else {
if (switch_core_codec_init(&tech_pvt->write_codec,
tech_pvt->rm_encoding,
tech_pvt->rm_fmtp,
tech_pvt->rm_rate,
tech_pvt->codec_ms,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE | tech_pvt->profile->codec_flags,
NULL,
switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n");
terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
return SWITCH_STATUS_FALSE;
} else {
int ms;
tech_pvt->read_frame.rate = tech_pvt->rm_rate;
ms = tech_pvt->write_codec.implementation->microseconds_per_frame / 1000;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Set Codec %s %s/%d %d ms\n",
switch_channel_get_name(channel),
tech_pvt->rm_encoding, tech_pvt->rm_rate, tech_pvt->codec_ms);
tech_pvt->read_frame.codec = &tech_pvt->read_codec;
switch_core_session_set_read_codec(tech_pvt->session, &tech_pvt->read_codec);
switch_core_session_set_write_codec(tech_pvt->session, &tech_pvt->write_codec);
tech_pvt->fmtp_out = switch_core_session_strdup(tech_pvt->session, tech_pvt->write_codec.fmtp_out);
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t activate_rtp(private_object_t *tech_pvt)
{
int bw, ms;
switch_channel_t *channel;
const char *err = NULL;
switch_rtp_flag_t flags;
switch_status_t status;
char tmp[50];
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
return SWITCH_STATUS_SUCCESS;
}
if (switch_rtp_ready(tech_pvt->rtp_session) && !switch_test_flag(tech_pvt, TFLAG_REINVITE)) {
return SWITCH_STATUS_SUCCESS;
}
if ((status = tech_set_codec(tech_pvt, 0)) != SWITCH_STATUS_SUCCESS) {
return status;
}
bw = tech_pvt->read_codec.implementation->bits_per_second;
ms = tech_pvt->read_codec.implementation->microseconds_per_frame;
flags = (switch_rtp_flag_t) (SWITCH_RTP_FLAG_RAW_WRITE | SWITCH_RTP_FLAG_AUTOADJ | SWITCH_RTP_FLAG_DATAWAIT);
if (switch_test_flag(tech_pvt, TFLAG_BUGGY_2833)) {
flags |= SWITCH_RTP_FLAG_BUGGY_2833;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "RTP [%s] %s:%d->%s:%d codec: %u ms: %d\n",
switch_channel_get_name(channel),
tech_pvt->local_sdp_audio_ip,
tech_pvt->local_sdp_audio_port,
tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port,
tech_pvt->agreed_pt,
tech_pvt->read_codec.implementation->microseconds_per_frame / 1000);
snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port);
switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, tech_pvt->adv_sdp_audio_ip);
switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, tmp);
if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_REINVITE)) {
switch_clear_flag_locked(tech_pvt, TFLAG_REINVITE);
if (switch_rtp_set_remote_address(tech_pvt->rtp_session,
tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port,
&err) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTP REPORTS ERROR: [%s]\n", err);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP CHANGING DEST TO: [%s:%d]\n",
tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port);
/* Reactivate the NAT buster flag. */
switch_rtp_set_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_AUTOADJ);
}
return SWITCH_STATUS_SUCCESS;
}
tech_pvt->rtp_session = switch_rtp_new(tech_pvt->local_sdp_audio_ip,
tech_pvt->local_sdp_audio_port,
tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port,
tech_pvt->agreed_pt,
tech_pvt->read_codec.implementation->encoded_bytes_per_frame,
tech_pvt->codec_ms * 1000,
(switch_rtp_flag_t) flags,
NULL,
tech_pvt->profile->timer_name,
&err,
switch_core_session_get_pool(tech_pvt->session));
if (switch_rtp_ready(tech_pvt->rtp_session)) {
uint8_t vad_in = switch_test_flag(tech_pvt, TFLAG_VAD_IN) ? 1 : 0;
uint8_t vad_out = switch_test_flag(tech_pvt, TFLAG_VAD_OUT) ? 1 : 0;
uint8_t inb = switch_test_flag(tech_pvt, TFLAG_OUTBOUND) ? 0 : 1;
tech_pvt->ssrc = switch_rtp_get_ssrc(tech_pvt->rtp_session);
switch_set_flag_locked(tech_pvt, TFLAG_RTP);
switch_set_flag_locked(tech_pvt, TFLAG_IO);
if ((vad_in && inb) || (vad_out && !inb)) {
switch_rtp_enable_vad(tech_pvt->rtp_session, tech_pvt->session, &tech_pvt->read_codec, SWITCH_VAD_FLAG_TALKING);
switch_set_flag_locked(tech_pvt, TFLAG_VAD);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "RTP Engage VAD for %s ( %s %s )\n",
switch_channel_get_name(switch_core_session_get_channel(tech_pvt->session)),
vad_in ? "in" : "", vad_out ? "out" : "");
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "RTP REPORTS ERROR: [%s]\n", err);
terminate_session(&tech_pvt->session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
return SWITCH_STATUS_FALSE;
}
switch_set_flag_locked(tech_pvt, TFLAG_IO);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_answer_channel(switch_core_session_t *session)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
assert(session != NULL);
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_channel_test_flag(channel, CF_NOMEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_NOMEDIA);
tech_absorb_sdp(tech_pvt);
}
if (!switch_test_flag(tech_pvt, TFLAG_ANS) && !switch_channel_test_flag(channel, CF_OUTBOUND)) {
switch_set_flag_locked(tech_pvt, TFLAG_ANS);
tech_choose_port(tech_pvt);
set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
activate_rtp(tech_pvt);
if (tech_pvt->nh) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Local SDP %s:\n%s\n",
switch_channel_get_name(channel),
tech_pvt->local_sdp_str);
nua_respond(tech_pvt->nh, SIP_200_OK,
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_AUDIO_AUX("cn telephone-event"),
NUTAG_INCLUDE_EXTRA_SDP(1),
TAG_END());
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout,
switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt = NULL;
size_t bytes = 0, samples = 0, frames = 0, ms = 0;
switch_channel_t *channel = NULL;
int payload = 0;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
while (!(tech_pvt->read_codec.implementation && switch_rtp_ready(tech_pvt->rtp_session))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
tech_pvt->read_frame.datalen = 0;
switch_set_flag_locked(tech_pvt, TFLAG_READING);
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
samples = tech_pvt->read_codec.implementation->samples_per_frame;
ms = tech_pvt->read_codec.implementation->microseconds_per_frame;
if (tech_pvt->last_read) {
#if 0
elapsed = (unsigned int)((switch_time_now() - tech_pvt->last_read) / 1000);
if (elapsed > 60000) {
return SWITCH_STATUS_TIMEOUT;
}
#endif
}
if (switch_test_flag(tech_pvt, TFLAG_IO)) {
switch_status_t status;
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
assert(tech_pvt->rtp_session != NULL);
tech_pvt->read_frame.datalen = 0;
while (!switch_test_flag(tech_pvt, TFLAG_BYE) && switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->read_frame.datalen == 0) {
tech_pvt->read_frame.flags = SFF_NONE;
status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
return SWITCH_STATUS_FALSE;
}
payload = tech_pvt->read_frame.payload;
#if 0
elapsed = (unsigned int)((switch_time_now() - started) / 1000);
if (timeout > -1) {
if (elapsed >= (unsigned int)timeout) {
return SWITCH_STATUS_BREAK;
}
}
elapsed = (unsigned int)((switch_time_now() - last_act) / 1000);
if (elapsed >= hard_timeout) {
return SWITCH_STATUS_BREAK;
}
#endif
if (switch_rtp_has_dtmf(tech_pvt->rtp_session)) {
char dtmf[128];
switch_rtp_dequeue_dtmf(tech_pvt->rtp_session, dtmf, sizeof(dtmf));
switch_channel_queue_dtmf(channel, dtmf);
}
if (tech_pvt->read_frame.datalen > 0) {
tech_pvt->last_read = switch_time_now();
if (tech_pvt->read_codec.implementation->encoded_bytes_per_frame) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
frames = (tech_pvt->read_frame.datalen / bytes);
} else
frames = 1;
samples = frames * tech_pvt->read_codec.implementation->samples_per_frame;
ms = frames * tech_pvt->read_codec.implementation->microseconds_per_frame;
tech_pvt->timestamp_recv += (int32_t) samples;
tech_pvt->read_frame.samples = (int) samples;
break;
}
}
}
switch_clear_flag_locked(tech_pvt, TFLAG_READING);
if (tech_pvt->read_frame.datalen == 0) {
*frame = NULL;
return SWITCH_STATUS_GENERR;
}
*frame = &tech_pvt->read_frame;
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout,
switch_io_flag_t flags, int stream_id)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
int bytes = 0, samples = 0, frames = 0;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
while (!(tech_pvt->read_codec.implementation && switch_rtp_ready(tech_pvt->rtp_session))) {
if (switch_channel_ready(channel)) {
switch_yield(10000);
} else {
return SWITCH_STATUS_GENERR;
}
}
if (switch_test_flag(tech_pvt, TFLAG_HUP)) {
return SWITCH_STATUS_FALSE;
}
if (!switch_test_flag(tech_pvt, TFLAG_RTP)) {
return SWITCH_STATUS_GENERR;
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
return SWITCH_STATUS_SUCCESS;
}
switch_set_flag_locked(tech_pvt, TFLAG_WRITING);
if (tech_pvt->read_codec.implementation->encoded_bytes_per_frame) {
bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_frame;
frames = ((int) frame->datalen / bytes);
} else
frames = 1;
samples = frames * tech_pvt->read_codec.implementation->samples_per_frame;
#if 0
printf("%s %s->%s send %d bytes %d samples in %d frames ts=%d\n",
switch_channel_get_name(channel),
tech_pvt->local_sdp_audio_ip,
tech_pvt->remote_sdp_audio_ip,
frame->datalen,
samples,
frames,
tech_pvt->timestamp_send);
#endif
switch_rtp_write_frame(tech_pvt->rtp_session, frame, samples);
tech_pvt->timestamp_send += (int) samples;
switch_clear_flag_locked(tech_pvt, TFLAG_WRITING);
return status;
}
static switch_status_t sofia_kill_channel(switch_core_session_t *session, int sig)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
switch_set_flag_locked(tech_pvt, TFLAG_HUP);
if (switch_rtp_ready(tech_pvt->rtp_session)) {
switch_rtp_kill_socket(tech_pvt->rtp_session);
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
{
private_object_t *tech_pvt;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_send_dtmf(switch_core_session_t *session, char *digits)
{
private_object_t *tech_pvt;
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
return switch_rtp_queue_rfc2833(tech_pvt->rtp_session,
digits,
tech_pvt->profile->dtmf_duration * (tech_pvt->read_codec.implementation->samples_per_second / 1000));
}
static switch_status_t sofia_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel;
private_object_t *tech_pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_object_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_NOMEDIA: {
char *uuid;
switch_core_session_t *other_session;
switch_channel_t *other_channel;
char *ip = NULL, *port = NULL;
switch_set_flag_locked(tech_pvt, TFLAG_NOMEDIA);
tech_pvt->local_sdp_str = NULL;
if ((uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE)) && (other_session = switch_core_session_locate(uuid))) {
other_channel = switch_core_session_get_channel(other_session);
ip = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE);
port = switch_channel_get_variable(other_channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE);
switch_core_session_rwunlock(other_session);
if (ip && port) {
set_local_sdp(tech_pvt, ip, atoi(port), NULL, 1);
}
}
if (!tech_pvt->local_sdp_str) {
tech_absorb_sdp(tech_pvt);
}
do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_MEDIA: {
switch_clear_flag_locked(tech_pvt, TFLAG_NOMEDIA);
tech_pvt->local_sdp_str = NULL;
if (!switch_rtp_ready(tech_pvt->rtp_session)) {
tech_set_codecs(tech_pvt);
tech_choose_port(tech_pvt);
}
set_local_sdp(tech_pvt, NULL, 0, NULL, 1);
do_invite(session);
while (!switch_rtp_ready(tech_pvt->rtp_session) && switch_channel_get_state(channel) < CS_HANGUP) {
switch_yield(1000);
}
}
break;
case SWITCH_MESSAGE_INDICATE_HOLD: {
switch_set_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_UNHOLD: {
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
do_invite(session);
}
break;
case SWITCH_MESSAGE_INDICATE_BRIDGE:
if (switch_test_flag(tech_pvt, TFLAG_XFER)) {
switch_clear_flag_locked(tech_pvt, TFLAG_XFER);
if (msg->pointer_arg) {
switch_core_session_t *asession, *bsession = msg->pointer_arg;
if ((asession = switch_core_session_locate(tech_pvt->xferto))) {
private_object_t *a_tech_pvt = switch_core_session_get_private(asession);
private_object_t *b_tech_pvt = switch_core_session_get_private(bsession);
switch_set_flag_locked(a_tech_pvt, TFLAG_REINVITE);
a_tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(asession, b_tech_pvt->remote_sdp_audio_ip);
a_tech_pvt->remote_sdp_audio_port = b_tech_pvt->remote_sdp_audio_port;
a_tech_pvt->local_sdp_audio_ip = switch_core_session_strdup(asession, b_tech_pvt->local_sdp_audio_ip);
a_tech_pvt->local_sdp_audio_port = b_tech_pvt->local_sdp_audio_port;
activate_rtp(a_tech_pvt);
b_tech_pvt->kick = switch_core_session_strdup(bsession, tech_pvt->xferto);
switch_core_session_rwunlock(asession);
}
msg->pointer_arg = NULL;
return SWITCH_STATUS_FALSE;
}
}
if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_TIMER)) {
switch_rtp_clear_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "De-activate timed RTP!\n");
}
break;
case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
if (tech_pvt->rtp_session && switch_test_flag(tech_pvt, TFLAG_TIMER)) {
switch_rtp_set_flag(tech_pvt->rtp_session, SWITCH_RTP_FLAG_USE_TIMER);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Re-activate timed RTP!\n");
}
break;
case SWITCH_MESSAGE_INDICATE_RINGING:
nua_respond(tech_pvt->nh, SIP_180_RINGING, SIPTAG_CONTACT_STR(tech_pvt->profile->url), TAG_END());
break;
case SWITCH_MESSAGE_INDICATE_PROGRESS: {
struct private_object *tech_pvt;
switch_channel_t *channel = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!switch_test_flag(tech_pvt, TFLAG_EARLY_MEDIA) && !switch_test_flag(tech_pvt, TFLAG_ANS)) {
switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Asked to send early media by %s\n", msg->from);
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
tech_absorb_sdp(tech_pvt);
}
/* Transmit 183 Progress with SDP */
tech_choose_port(tech_pvt);
set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
activate_rtp(tech_pvt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Ring SDP:\n%s\n", tech_pvt->local_sdp_str);
nua_respond(tech_pvt->nh,
SIP_183_SESSION_PROGRESS,
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
SOATAG_AUDIO_AUX("cn telephone-event"),
TAG_END());
}
}
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t sofia_receive_event(switch_core_session_t *session, switch_event_t *event)
{
switch_channel_t *channel;
struct private_object *tech_pvt;
char *body;
nua_handle_t *msg_nh;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!(body = switch_event_get_body(event))) {
body = "";
}
if (tech_pvt->hash_key) {
msg_nh = nua_handle(tech_pvt->profile->nua, NULL,
SIPTAG_FROM_STR(tech_pvt->chat_from),
NUTAG_URL(tech_pvt->chat_to),
SIPTAG_TO_STR(tech_pvt->chat_to),
SIPTAG_CONTACT_STR(tech_pvt->profile->url),
TAG_END());
nua_message(msg_nh,
SIPTAG_CONTENT_TYPE_STR("text/html"),
SIPTAG_PAYLOAD_STR(body),
TAG_END());
}
return SWITCH_STATUS_SUCCESS;
}
static const switch_io_routines_t sofia_io_routines = {
/*.outgoing_channel */ sofia_outgoing_channel,
/*.answer_channel */ sofia_answer_channel,
/*.read_frame */ sofia_read_frame,
/*.write_frame */ sofia_write_frame,
/*.kill_channel */ sofia_kill_channel,
/*.waitfor_read */ sofia_waitfor_read,
/*.waitfor_read */ sofia_waitfor_write,
/*.send_dtmf*/ sofia_send_dtmf,
/*.receive_message*/ sofia_receive_message,
/*.receive_event*/ sofia_receive_event
};
static const switch_state_handler_table_t sofia_event_handlers = {
/*.on_init */ sofia_on_init,
/*.on_ring */ sofia_on_ring,
/*.on_execute */ sofia_on_execute,
/*.on_hangup */ sofia_on_hangup,
/*.on_loopback */ sofia_on_loopback,
/*.on_transmit */ sofia_on_transmit
};
static const switch_endpoint_interface_t sofia_endpoint_interface = {
/*.interface_name */ "sofia",
/*.io_routines */ &sofia_io_routines,
/*.event_handlers */ &sofia_event_handlers,
/*.private */ NULL,
/*.next */ NULL
};
static const switch_chat_interface_t sofia_chat_interface = {
/*.name */ SOFIA_CHAT_PROTO,
/*.chat_send */ chat_send,
};
static const switch_loadable_module_interface_t sofia_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ &sofia_endpoint_interface,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ NULL,
/*.application_interface */ NULL,
/*.api_interface */ NULL,
/*.file_interface */ NULL,
/*.speech_interface */ NULL,
/*.directory_interface */ NULL,
/*.chat_interface */ &sofia_chat_interface
};
static void logger(void *logarg, char const *fmt, va_list ap)
{
char *data = NULL;
if (fmt) {
#ifdef HAVE_VASPRINTF
int ret;
ret = vasprintf(&data, fmt, ap);
if ((ret == -1) || !data) {
return;
}
#else
data = (char *) malloc(2048);
if (data) {
vsnprintf(data, 2048, fmt, ap);
} else {
return;
}
#endif
}
switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_CONSOLE, (char*) "%s", data);
free(data);
}
static switch_status_t sofia_outgoing_channel(switch_core_session_t *session, switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t *pool)
{
switch_status_t status = SWITCH_STATUS_FALSE;
switch_core_session_t *nsession;
char *data, *profile_name, *dest;
sofia_profile_t *profile;
switch_caller_profile_t *caller_profile = NULL;
private_object_t *tech_pvt = NULL;
switch_channel_t *nchannel;
char *host;
*new_session = NULL;
if (!(nsession = switch_core_session_request(&sofia_endpoint_interface, pool))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
goto done;
}
if (!(tech_pvt = (struct private_object *) switch_core_session_alloc(nsession, sizeof(*tech_pvt)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
terminate_session(&nsession, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
goto done;
}
data = switch_core_session_strdup(nsession, outbound_profile->destination_number);
profile_name = data;
if (!(dest = strchr(profile_name, '/'))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL\n");
terminate_session(&nsession, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
goto done;
}
*dest++ = '\0';
if (!(profile = (sofia_profile_t *) switch_core_hash_find(globals.profile_hash, profile_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Profile\n");
terminate_session(&nsession, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
goto done;
}
if ((host = strchr(dest, '%'))) {
char buf[128];
*host = '@';
tech_pvt->e_dest = switch_core_session_strdup(nsession, dest);
*host++ = '\0';
if (find_reg_url(profile, dest, host, buf, sizeof(buf))) {
tech_pvt->dest = switch_core_session_strdup(nsession, buf);
} else {
terminate_session(&nsession, SWITCH_CAUSE_NO_ROUTE_DESTINATION, __LINE__);
goto done;
}
} else if (!strchr(dest, '@')) {
char buf[128];
tech_pvt->e_dest = switch_core_session_strdup(nsession, dest);
if (find_reg_url(profile, dest, profile_name, buf, sizeof(buf))) {
tech_pvt->dest = switch_core_session_strdup(nsession, buf);
} else {
terminate_session(&nsession, SWITCH_CAUSE_NO_ROUTE_DESTINATION, __LINE__);
goto done;
}
} else {
tech_pvt->dest = switch_core_session_alloc(nsession, strlen(dest) + 5);
snprintf(tech_pvt->dest, strlen(dest) + 5, "sip:%s", dest);
}
attach_private(nsession, profile, tech_pvt, dest);
nchannel = switch_core_session_get_channel(nsession);
caller_profile = switch_caller_profile_clone(nsession, outbound_profile);
switch_channel_set_caller_profile(nchannel, caller_profile);
switch_channel_set_flag(nchannel, CF_OUTBOUND);
switch_set_flag_locked(tech_pvt, TFLAG_OUTBOUND);
switch_channel_set_state(nchannel, CS_INIT);
switch_channel_set_variable(nchannel, "endpoint_disposition", "OUTBOUND");
*new_session = nsession;
status = SWITCH_STATUS_SUCCESS;
if (session) {
//char *val;
//switch_channel_t *channel = switch_core_session_get_channel(session);
switch_ivr_transfer_variable(session, nsession, SOFIA_REPLACES_HEADER);
}
done:
return status;
}
static uint8_t negotiate_sdp(switch_core_session_t *session, sdp_session_t *sdp)
{
uint8_t match = 0;
private_object_t *tech_pvt;
sdp_media_t *m;
sdp_attribute_t *a;
switch_channel_t *channel;
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
if ((tech_pvt->origin = switch_core_session_strdup(session, (char *) sdp->sdp_origin->o_username))) {
if (strstr(tech_pvt->origin, "CiscoSystemsSIP-GW-UserAgent")) {
switch_set_flag_locked(tech_pvt, TFLAG_BUGGY_2833);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Activate Buggy RFC2833 Mode!\n");
}
}
for (a = sdp->sdp_attributes; a; a = a->a_next) {
if (!strcasecmp(a->a_name, "sendonly")) {
switch_set_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
} else if (!strcasecmp(a->a_name, "sendrecv")) {
switch_clear_flag_locked(tech_pvt, TFLAG_SIP_HOLD);
}
}
for (m = sdp->sdp_media; m ; m = m->m_next) {
if (m->m_type == sdp_media_audio) {
sdp_rtpmap_t *map;
for (map = m->m_rtpmaps; map; map = map->rm_next) {
int32_t i;
if (!strcasecmp(map->rm_encoding, "telephone-event")) {
tech_pvt->te = (switch_payload_t)map->rm_pt;
}
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Codec Compare [%s:%d]/[%s:%d]\n",
map->rm_encoding, map->rm_pt, imp->iananame, imp->ianacode);
if (map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
}
if (match && (map->rm_rate == imp->samples_per_second)) {
char tmp[50];
tech_pvt->rm_encoding = switch_core_session_strdup(session, (char *)map->rm_encoding);
tech_pvt->pt = (switch_payload_t)map->rm_pt;
tech_pvt->rm_rate = map->rm_rate;
tech_pvt->codec_ms = imp->microseconds_per_frame / 1000;
tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(session, (char *)sdp->sdp_connection->c_address);
tech_pvt->rm_fmtp = switch_core_session_strdup(session, (char *)map->rm_fmtp);
tech_pvt->remote_sdp_audio_port = (switch_port_t)m->m_port;
tech_pvt->agreed_pt = (switch_payload_t)map->rm_pt;
snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port);
switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, tech_pvt->remote_sdp_audio_ip);
switch_channel_set_variable(channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp);
break;
} else {
match = 0;
}
}
if (match) {
if (tech_set_codec(tech_pvt, 1) != SWITCH_STATUS_SUCCESS) {
match = 0;
}
break;
}
}
}
}
return match;
}
// map sip responses to QSIG cause codes ala RFC4497 section 8.4.4
static switch_call_cause_t sip_cause_to_freeswitch(int status) {
switch (status) {
case 200:
return SWITCH_CAUSE_NORMAL_CLEARING;
case 401:
case 402:
case 403:
case 407:
case 603:
return SWITCH_CAUSE_CALL_REJECTED;
case 404:
case 485:
case 604:
return SWITCH_CAUSE_UNALLOCATED;
case 408:
case 504:
return SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE;
case 410:
return SWITCH_CAUSE_NUMBER_CHANGED;
case 413:
case 414:
case 416:
case 420:
case 421:
case 423:
case 505:
case 513:
return SWITCH_CAUSE_INTERWORKING;
case 480:
return SWITCH_CAUSE_NO_USER_RESPONSE;
case 400:
case 481:
case 500:
case 503:
return SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE;
case 486:
case 600:
return SWITCH_CAUSE_USER_BUSY;
case 484:
return SWITCH_CAUSE_INVALID_NUMBER_FORMAT;
case 488:
case 606:
return SWITCH_CAUSE_BEARERCAPABILITY_NOTIMPL;
case 502:
return SWITCH_CAUSE_NETWORK_OUT_OF_ORDER;
case 405:
return SWITCH_CAUSE_SERVICE_UNAVAILABLE;
case 406:
case 415:
case 501:
return SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED;
case 482:
case 483:
return SWITCH_CAUSE_EXCHANGE_ROUTING_ERROR;
case 487:
return SWITCH_CAUSE_ORIGINATOR_CANCEL;
default:
return SWITCH_CAUSE_NORMAL_UNSPECIFIED;
}
}
static void set_hash_key(char *hash_key, int32_t len, sip_t const *sip)
{
snprintf(hash_key, len, "%s%s%s",
(char *) sip->sip_from->a_url->url_user,
(char *) sip->sip_from->a_url->url_host,
(char *) sip->sip_to->a_url->url_user
);
#if 0
/* nicer one we cant use in both directions >=0 */
snprintf(hash_key, len, "%s%s%s%s%s%s",
(char *) sip->sip_to->a_url->url_user,
(char *) sip->sip_to->a_url->url_host,
(char *) sip->sip_to->a_url->url_params,
(char *) sip->sip_from->a_url->url_user,
(char *) sip->sip_from->a_url->url_host,
(char *) sip->sip_from->a_url->url_params
);
#endif
}
static void set_chat_hash(private_object_t *tech_pvt, sip_t const *sip)
{
char hash_key[256] = "";
char buf[512];
if (!sip || tech_pvt->hash_key) {
return;
}
if (find_reg_url(tech_pvt->profile, (char *) sip->sip_from->a_url->url_user, (char *) sip->sip_from->a_url->url_host, buf, sizeof(buf))) {
tech_pvt->chat_from = sip_header_as_string(tech_pvt->home, (void *)sip->sip_to);
tech_pvt->chat_to = switch_core_session_strdup(tech_pvt->session, buf);
set_hash_key(hash_key, sizeof(hash_key), sip);
} else {
return;
}
tech_pvt->hash_key = switch_core_session_strdup(tech_pvt->session, hash_key);
switch_core_hash_insert(tech_pvt->profile->chat_hash, tech_pvt->hash_key, tech_pvt);
}
static void sip_i_message(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
if (sip) {
sip_from_t const *from = sip->sip_from;
char *from_user = NULL;
char *from_host = NULL;
sip_to_t const *to = sip->sip_to;
char *to_user = NULL;
char *to_host = NULL;
sip_subject_t const *sip_subject = sip->sip_subject;
sip_payload_t *payload = sip->sip_payload;
const char *subject = "n/a";
char *msg = NULL;
if (sip->sip_content_type) {
if (strstr((char*)sip->sip_content_type->c_subtype, "composing")) {
return;
}
}
if (from) {
from_user = (char *) from->a_url->url_user;
from_host = (char *) from->a_url->url_host;
}
if (to) {
to_user = (char *) to->a_url->url_user;
to_host = (char *) to->a_url->url_host;
}
if (!to_user) {
return;
}
if (payload) {
msg = payload->pl_data;
}
if (sip_subject) {
subject = sip_subject->g_value;
}
if (nh) {
char hash_key[512];
private_object_t *tech_pvt;
switch_channel_t *channel;
switch_event_t *event;
char *to_addr;
char *from_addr;
char *p;
char *full_from;
char proto[512] = SOFIA_CHAT_PROTO;
full_from = sip_header_as_string(profile->home, (void *)sip->sip_from);
if ((p=strchr(to_user, '+'))) {
switch_copy_string(proto, to_user, sizeof(proto));
p = strchr(proto, '+');
*p++ = '\0';
if ((to_addr = strdup(p))) {
if((p = strchr(to_addr, '+'))) {
*p = '@';
}
}
} else {
to_addr = switch_mprintf("%s@%s", to_user, to_host);
}
from_addr = switch_mprintf("%s@%s", from_user, from_host);
set_hash_key(hash_key, sizeof(hash_key), sip);
if ((tech_pvt = (private_object_t *) switch_core_hash_find(profile->chat_hash, hash_key))) {
channel = switch_core_session_get_channel(tech_pvt->session);
if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s", tech_pvt->hash_key);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "to", "%s", to_addr);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "subject", "SIMPLE MESSAGE");
if (msg) {
switch_event_add_body(event, msg);
}
if (switch_core_session_queue_event(tech_pvt->session, &event) != SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "delivery-failure", "true");
switch_event_fire(&event);
}
}
} else {
switch_chat_interface_t *ci;
if ((ci = switch_loadable_module_get_chat_interface(proto))) {
ci->chat_send(SOFIA_CHAT_PROTO, from_addr, to_addr, "", msg, full_from);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invaid Chat Interface [%s]!\n", proto);
}
}
switch_safe_free(to_addr);
switch_safe_free(from_addr);
if (full_from) {
su_free(profile->home, full_from);
}
}
}
}
static void pass_sdp(private_object_t *tech_pvt, char *sdp)
{
char *val;
switch_channel_t *channel;
switch_core_session_t *other_session;
switch_channel_t *other_channel;
channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if ((val = switch_channel_get_variable(channel, SWITCH_ORIGINATOR_VARIABLE)) && (other_session = switch_core_session_locate(val))) {
other_channel = switch_core_session_get_channel(other_session);
assert(other_channel != NULL);
if (!switch_channel_get_variable(other_channel, SWITCH_B_SDP_VARIABLE)) {
switch_channel_set_variable(other_channel, SWITCH_B_SDP_VARIABLE, sdp);
}
if (!switch_test_flag(tech_pvt, TFLAG_CHANGE_MEDIA) && (
switch_channel_test_flag(other_channel, CF_OUTBOUND) &&
//switch_channel_test_flag(other_channel, CF_NOMEDIA) &&
switch_channel_test_flag(channel, CF_OUTBOUND) &&
switch_channel_test_flag(channel, CF_NOMEDIA))) {
switch_ivr_nomedia(val, SMF_FORCE);
switch_set_flag_locked(tech_pvt, TFLAG_CHANGE_MEDIA);
}
switch_core_session_rwunlock(other_session);
}
}
static void sip_i_state(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
char const *l_sdp = NULL, *r_sdp = NULL;
int offer_recv = 0, answer_recv = 0, offer_sent = 0, answer_sent = 0;
int ss_state = nua_callstate_init;
switch_channel_t *channel = NULL;
private_object_t *tech_pvt = NULL;
switch_core_session_t *session = sofia_private ? sofia_private->session : NULL;
const char *replaces_str = NULL;
char *uuid;
switch_core_session_t *other_session = NULL;
switch_channel_t *other_channel = NULL;
char st[80] = "";
tl_gets(tags,
NUTAG_CALLSTATE_REF(ss_state),
NUTAG_OFFER_RECV_REF(offer_recv),
NUTAG_ANSWER_RECV_REF(answer_recv),
NUTAG_OFFER_SENT_REF(offer_sent),
NUTAG_ANSWER_SENT_REF(answer_sent),
SIPTAG_REPLACES_STR_REF(replaces_str),
SOATAG_LOCAL_SDP_STR_REF(l_sdp),
SOATAG_REMOTE_SDP_STR_REF(r_sdp),
TAG_END());
if (session) {
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
tech_pvt->nh = nh;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Channel %s entering state [%s]\n",
switch_channel_get_name(channel),
nua_callstate_name(ss_state));
if (r_sdp) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Remote SDP:\n%s\n", r_sdp);
tech_pvt->remote_sdp_str = switch_core_session_strdup(session, (char *)r_sdp);
switch_channel_set_variable(channel, SWITCH_R_SDP_VARIABLE, (char *) r_sdp);
pass_sdp(tech_pvt, (char *) r_sdp);
}
}
if (status == 988) {
return;
}
switch ((enum nua_callstate)ss_state) {
case nua_callstate_init:
break;
case nua_callstate_authenticating:
break;
case nua_callstate_calling:
break;
case nua_callstate_proceeding:
if (channel) {
if (status == 180 && !(switch_channel_test_flag(channel, CF_NO_INDICATE))) {
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
if ((uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE)) && (other_session = switch_core_session_locate(uuid))) {
switch_core_session_message_t msg;
msg.message_id = SWITCH_MESSAGE_INDICATE_RINGING;
msg.from = __FILE__;
switch_core_session_receive_message(other_session, &msg);
switch_core_session_rwunlock(other_session);
}
} else {
switch_core_session_message_t *msg;
if ((msg = malloc(sizeof(*msg)))) {
memset(msg, 0, sizeof(*msg));
msg->message_id = SWITCH_MESSAGE_INDICATE_RINGING;
msg->from = __FILE__;
switch_core_session_queue_message(session, msg);
switch_set_flag(msg, SCSMF_DYNAMIC);
}
}
}
if (r_sdp) {
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA);
switch_channel_set_flag(channel, CF_EARLY_MEDIA);
if ((uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE)) && (other_session = switch_core_session_locate(uuid))) {
other_channel = switch_core_session_get_channel(other_session);
switch_channel_pre_answer(other_channel);
switch_core_session_rwunlock(other_session);
}
return;
} else {
sdp_parser_t *parser = sdp_parse(tech_pvt->home, r_sdp, (int)strlen(r_sdp), 0);
sdp_session_t *sdp;
uint8_t match = 0;
if (tech_pvt->num_codecs) {
if ((sdp = sdp_session(parser))) {
match = negotiate_sdp(session, sdp);
}
}
if (parser) {
sdp_parser_free(parser);
}
if (match) {
tech_choose_port(tech_pvt);
activate_rtp(tech_pvt);
switch_channel_set_variable(channel, "endpoint_disposition", "EARLY MEDIA");
switch_set_flag_locked(tech_pvt, TFLAG_EARLY_MEDIA);
switch_channel_set_flag(channel, CF_EARLY_MEDIA);
return;
}
switch_channel_set_variable(channel, "endpoint_disposition", "NO CODECS");
nua_respond(nh, SIP_488_NOT_ACCEPTABLE,
TAG_END());
}
}
}
break;
case nua_callstate_completing:
nua_ack(nh, TAG_END());
break;
case nua_callstate_received:
if (session && switch_core_session_running(session)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Re-Entering Call State Received!\n");
return;
}
if (channel) {
if (r_sdp) {
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
switch_channel_set_variable(channel, "endpoint_disposition", "RECEIVED_NOMEDIA");
switch_channel_set_state(channel, CS_INIT);
switch_set_flag_locked(tech_pvt, TFLAG_READY);
switch_core_session_thread_launch(session);
return;
} else {
sdp_parser_t *parser = sdp_parse(tech_pvt->home, r_sdp, (int)strlen(r_sdp), 0);
sdp_session_t *sdp;
uint8_t match = 0;
if (tech_pvt->num_codecs) {
if ((sdp = sdp_session(parser))) {
match = negotiate_sdp(session, sdp);
}
}
if (parser) {
sdp_parser_free(parser);
}
if (match) {
nua_handle_t *bnh;
sip_replaces_t *replaces;
switch_channel_set_variable(channel, "endpoint_disposition", "RECEIVED");
switch_channel_set_state(channel, CS_INIT);
switch_set_flag_locked(tech_pvt, TFLAG_READY);
switch_core_session_thread_launch(session);
if (replaces_str && (replaces = sip_replaces_make(tech_pvt->home, replaces_str)) && (bnh = nua_handle_by_replaces(nua, replaces))) {
sofia_private_t *b_private;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Processing Replaces Attended Transfer\n");
while (switch_channel_get_state(channel) < CS_EXECUTE) {
switch_yield(10000);
}
if ((b_private = nua_handle_magic(bnh))) {
char *br_b = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE);
char *br_a = switch_core_session_get_uuid(b_private->session);
if (br_b) {
switch_ivr_uuid_bridge(br_a, br_b);
switch_channel_set_variable(channel, "endpoint_disposition", "ATTENDED_TRANSFER");
switch_channel_hangup(channel, SWITCH_CAUSE_ATTENDED_TRANSFER);
} else {
switch_channel_set_variable(channel, "endpoint_disposition", "ATTENDED_TRANSFER_ERROR");
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
} else {
switch_channel_set_variable(channel, "endpoint_disposition", "ATTENDED_TRANSFER_ERROR");
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
nua_handle_unref(bnh);
}
return;
}
switch_channel_set_variable(channel, "endpoint_disposition", "NO CODECS");
nua_respond(nh, SIP_488_NOT_ACCEPTABLE,
TAG_END());
}
}
}
break;
case nua_callstate_early:
break;
case nua_callstate_completed:
if (tech_pvt && r_sdp) {
if (r_sdp) {
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
return;
} else {
sdp_parser_t *parser = sdp_parse(tech_pvt->home, r_sdp, (int)strlen(r_sdp), 0);
sdp_session_t *sdp;
uint8_t match = 0;
if (tech_pvt->num_codecs) {
if ((sdp = sdp_session(parser))) {
match = negotiate_sdp(session, sdp);
}
}
if (match) {
tech_choose_port(tech_pvt);
set_local_sdp(tech_pvt, NULL, 0, NULL, 0);
switch_set_flag_locked(tech_pvt, TFLAG_REINVITE);
activate_rtp(tech_pvt);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Processing Reinvite\n");
if (parser) {
sdp_parser_free(parser);
}
}
}
}
}
break;
case nua_callstate_ready:
if (nh == tech_pvt->nh2) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Cheater Reinvite!\n");
switch_set_flag_locked(tech_pvt, TFLAG_REINVITE);
tech_pvt->nh = tech_pvt->nh2;
tech_pvt->nh2 = NULL;
tech_choose_port(tech_pvt);
activate_rtp(tech_pvt);
return;
}
if (channel) {
if (r_sdp) {
if (switch_test_flag(tech_pvt, TFLAG_NOMEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_ANS);
switch_channel_mark_answered(channel);
if ((uuid = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE)) && (other_session = switch_core_session_locate(uuid))) {
other_channel = switch_core_session_get_channel(other_session);
switch_channel_answer(other_channel);
switch_core_session_rwunlock(other_session);
}
return;
} else {
sdp_parser_t *parser = sdp_parse(tech_pvt->home, r_sdp, (int)strlen(r_sdp), 0);
sdp_session_t *sdp;
uint8_t match = 0;
if (tech_pvt->num_codecs) {
if ((sdp = sdp_session(parser))) {
match = negotiate_sdp(session, sdp);
}
}
if (parser) {
sdp_parser_free(parser);
}
if (match) {
switch_set_flag_locked(tech_pvt, TFLAG_ANS);
switch_channel_set_variable(channel, "endpoint_disposition", "ANSWER");
tech_choose_port(tech_pvt);
activate_rtp(tech_pvt);
switch_channel_mark_answered(channel);
return;
}
switch_channel_set_variable(channel, "endpoint_disposition", "NO CODECS");
nua_respond(nh, SIP_488_NOT_ACCEPTABLE, TAG_END());
}
} else if (switch_test_flag(tech_pvt, TFLAG_EARLY_MEDIA)) {
switch_set_flag_locked(tech_pvt, TFLAG_ANS);
switch_channel_set_variable(channel, "endpoint_disposition", "ANSWER");
switch_channel_mark_answered(channel);
return;
} //else probably an ack
}
break;
case nua_callstate_terminating:
break;
case nua_callstate_terminated:
if (session) {
if (switch_test_flag(tech_pvt, TFLAG_RWLOCK)) {
switch_core_session_rwunlock(session);
switch_clear_flag(tech_pvt, TFLAG_RWLOCK);
}
if (!switch_test_flag(tech_pvt, TFLAG_BYE)) {
switch_set_flag_locked(tech_pvt, TFLAG_BYE);
if (switch_test_flag(tech_pvt, TFLAG_NOHUP)) {
switch_clear_flag_locked(tech_pvt, TFLAG_NOHUP);
} else {
snprintf(st, sizeof(st), "%d", status);
switch_channel_set_variable(channel, "sip_term_status", st);
terminate_session(&session, sip_cause_to_freeswitch(status), __LINE__);
}
}
tech_pvt->nh = NULL;
}
if (nh) {
nua_handle_destroy(nh);
}
break;
}
}
static char *get_auth_data(char *dbname, char *nonce, char *npassword, size_t len, switch_mutex_t *mutex)
{
switch_core_db_t *db;
switch_core_db_stmt_t *stmt;
char *sql = NULL, *ret = NULL;
if (mutex) {
switch_mutex_lock(mutex);
}
if (!(db = switch_core_db_open_file(dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", dbname);
goto end;
}
sql = switch_mprintf("select passwd from sip_authentication where nonce='%q'", nonce);
if (switch_core_db_prepare(db, sql, -1, &stmt, 0)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Statement Error!\n");
goto fail;
} else {
int running = 1;
int colcount;
while (running < 5000) {
int result = switch_core_db_step(stmt);
if (result == SQLITE_ROW) {
if ((colcount = switch_core_db_column_count(stmt))) {
switch_copy_string(npassword, (char *)switch_core_db_column_text(stmt, 0), len);
ret = npassword;
}
break;
} else if (result == SQLITE_BUSY) {
running++;
switch_yield(1000);
continue;
}
break;
}
switch_core_db_finalize(stmt);
}
fail:
switch_core_db_close(db);
end:
if (mutex) {
switch_mutex_unlock(mutex);
}
if (sql) {
switch_safe_free(sql);
}
return ret;
}
typedef enum {
REG_REGISTER,
REG_INVITE
} sofia_regtype_t;
static uint8_t handle_register(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sip_t const *sip,
sofia_regtype_t regtype,
char *key,
uint32_t keylen)
{
sip_from_t const *from = sip->sip_from;
sip_expires_t const *expires = sip->sip_expires;
sip_authorization_t const *authorization = sip->sip_authorization;
sip_contact_t const *contact = sip->sip_contact;
switch_xml_t domain, xml, user, param, xparams;
char params[1024] = "";
char *sql;
switch_event_t *s_event;
char *from_user = (char *) from->a_url->url_user;
char *from_host = (char *) from->a_url->url_host;
char contact_str[1024] = "";
char buf[512];
char *passwd = NULL;
uint8_t stale = 0, ret = 0, forbidden = 0;
auth_res_t auth_res;
long exptime = 60;
switch_event_t *event;
char *rpid = "unknown";
const char *display = "\"user\"";
if (contact) {
char *port = (char *) contact->m_url->url_port;
display = contact->m_display;
if (switch_strlen_zero(display)) {
if (from) {
display = from->a_display;
if (switch_strlen_zero(display)) {
display = "\"user\"";
}
}
} else {
display = "\"user\"";
}
if (!port) {
port = "5060";
}
if (contact->m_url->url_params) {
snprintf(contact_str, sizeof(contact_str), "%s <sip:%s@%s:%s;%s>",
display, contact->m_url->url_user, contact->m_url->url_host, port, contact->m_url->url_params);
} else {
snprintf(contact_str, sizeof(contact_str), "%s <sip:%s@%s:%s>",
display, contact->m_url->url_user, contact->m_url->url_host, port);
}
}
if (expires) {
exptime = expires->ex_delta;
} else if (contact->m_expires) {
exptime = atol(contact->m_expires);
}
if (regtype == REG_REGISTER) {
authorization = sip->sip_authorization;
} else if (regtype == REG_INVITE) {
authorization = sip->sip_proxy_authorization;
}
if ((profile->pflags & PFLAG_BLIND_REG)) {
goto reg;
}
if (authorization) {
if ((auth_res = parse_auth(profile, authorization, (char *)sip->sip_request->rq_method_name, key, keylen)) == AUTH_STALE) {
stale = 1;
}
if (auth_res != AUTH_OK && !stale) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "send %s for [%s@%s]\n",
forbidden ? "forbidden" : "challange",
from_user, from_host);
if (auth_res == AUTH_FORBIDDEN) {
nua_respond(nh, SIP_403_FORBIDDEN, NUTAG_WITH_THIS(nua), TAG_END());
} else {
nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS(nua), TAG_END());
}
return 1;
}
}
if (!authorization || stale) {
snprintf(params, sizeof(params), "from_user=%s&from_host=%s&contact=%s",
from_user,
from_host,
contact_str
);
if (switch_xml_locate("directory", "domain", "name", from_host, &xml, &domain, params) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "can't find domain for [%s@%s]\n", from_user, from_host);
nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS(nua), SIPTAG_CONTACT(contact), TAG_END());
return 1;
}
if (!(user = switch_xml_find_child(domain, "user", "id", from_user))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "can't find user [%s@%s]\n", from_user, from_host);
nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS(nua), SIPTAG_CONTACT(contact), TAG_END());
switch_xml_free(xml);
return 1;
}
if (!(xparams = switch_xml_child(user, "params"))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "can't find params for user [%s@%s]\n", from_user, from_host);
nua_respond(nh, SIP_401_UNAUTHORIZED, NUTAG_WITH_THIS(nua), SIPTAG_CONTACT(contact), TAG_END());
switch_xml_free(xml);
return 1;
}
for (param = switch_xml_child(xparams, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "param [%s]=[%s]\n", var, val);
if (!strcasecmp(var, "password")) {
passwd = val;
}
}
if (passwd) {
switch_uuid_t uuid;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
char *sql, *auth_str;
su_md5_t ctx;
char hexdigest[2 * SU_MD5_DIGEST_SIZE + 1];
char *input;
input = switch_mprintf("%s:%s:%s", from_user, from_host, passwd);
su_md5_init(&ctx);
su_md5_strupdate(&ctx, input);
su_md5_hexdigest(&ctx, hexdigest);
su_md5_deinit(&ctx);
switch_safe_free(input);
switch_uuid_get(&uuid);
switch_uuid_format(uuid_str, &uuid);
sql = switch_mprintf("delete from sip_authentication where user='%q' and host='%q';\n"
"insert into sip_authentication values('%q','%q','%q','%q', %ld)",
from_user,
from_host,
from_user,
from_host,
hexdigest,
uuid_str,
time(NULL) + 60);
auth_str = switch_mprintf("Digest realm=\"%q\", nonce=\"%q\",%s algorithm=MD5, qop=\"auth\"", from_host, uuid_str,
stale ? " stale=\"true\"," : "");
if (regtype == REG_REGISTER) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Requesting Registration from: [%s@%s]\n", from_user, from_host);
nua_respond(nh, SIP_401_UNAUTHORIZED,
NUTAG_WITH_THIS(nua),
SIPTAG_WWW_AUTHENTICATE_STR(auth_str),
TAG_END());
} else if (regtype == REG_INVITE) {
nua_respond(nh, SIP_407_PROXY_AUTH_REQUIRED,
NUTAG_WITH_THIS(nua),
SIPTAG_PROXY_AUTHENTICATE_STR(auth_str),
TAG_END());
}
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
switch_safe_free(auth_str);
ret = 1;
} else {
ret = 0;
}
switch_xml_free(xml);
if (ret) {
return ret;
}
}
reg:
if (exptime) {
if (!find_reg_url(profile, from_user, from_host, buf, sizeof(buf))) {
sql = switch_mprintf("insert into sip_registrations values ('%q','%q','%q','Registered', '%q', %ld)",
from_user,
from_host,
contact_str,
rpid,
(long) time(NULL) + (long)exptime);
} else {
sql = switch_mprintf("update sip_registrations set contact='%q', expires=%ld, rpid='%q' where user='%q' and host='%q'",
contact_str,
(long) time(NULL) + (long)exptime,
rpid,
from_user,
from_host);
}
if (switch_event_create_subclass(&s_event, SWITCH_EVENT_CUSTOM, MY_EVENT_REGISTER) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "profile-name", "%s", profile->name);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from-user", "%s", from_user);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from-host", "%s", from_host);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "contact", "%s", contact_str);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "rpid", "%s", rpid);
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "expires", "%ld", (long)exptime);
switch_event_fire(&s_event);
}
if (sql) {
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
sql = NULL;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Register:\nFrom: [%s@%s]\nContact: [%s]\nExpires: [%ld]\n",
from_user,
from_host,
contact_str,
(long)exptime
);
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", "sip");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "rpid", "%s", rpid);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", from_user, from_host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "status", "Registered");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "presence");
switch_event_fire(&event);
}
} else {
if ((sql = switch_mprintf("delete from sip_subscriptions where user='%q' and host='%q'", from_user, from_host))) {
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
sql = NULL;
}
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_OUT) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", "sip");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s+%s@%s", SOFIA_CHAT_PROTO, from_user, from_host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "status", "unavailable");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "rpid", rpid);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "presence");
switch_event_fire(&event);
}
}
if (switch_event_create(&event, SWITCH_EVENT_ROSTER) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", "sip");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", from_user, from_host);
switch_event_fire(&event);
}
if (regtype == REG_REGISTER) {
nua_respond(nh, SIP_200_OK, SIPTAG_CONTACT(contact),
NUTAG_WITH_THIS(nua),
TAG_END());
return 1;
}
return 0;
}
static int sub_reg_callback(void *pArg, int argc, char **argv, char **columnNames)
{
sofia_profile_t *profile = (sofia_profile_t *) pArg;
//char *proto = argv[0];
char *user = argv[1];
char *host = argv[2];
switch_event_t *event;
char *status = NULL;
if (switch_strlen_zero(status)) {
status = "Available";
}
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", user, host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "status", "%s", status);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "presence");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_subtype", "probe");
switch_event_fire(&event);
}
return 0;
}
static int resub_callback(void *pArg, int argc, char **argv, char **columnNames)
{
sofia_profile_t *profile = (sofia_profile_t *) pArg;
char *user = argv[0];
char *host = argv[1];
char *status = argv[2];
char *rpid = argv[3];
char *proto = argv[4];
switch_event_t *event;
if (switch_strlen_zero(proto)) {
proto = NULL;
}
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", proto ? proto : SOFIA_CHAT_PROTO);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", user, host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "status", "%s", status);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "rpid", "%s", rpid);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "presence");
switch_event_fire(&event);
}
return 0;
}
static int sub_callback(void *pArg, int argc, char **argv, char **columnNames)
{
sofia_profile_t *profile = (sofia_profile_t *) pArg;
char *pl;
char *id, *note;
uint32_t in = atoi(argv[0]);
char *status = argv[1];
char *rpid = argv[2];
char *proto = argv[3];
char *user = argv[4];
char *host = argv[5];
char *sub_to_user = argv[6];
char *sub_to_host = argv[7];
char *event = argv[8];
char *contact = argv[9];
char *callid = argv[10];
char *full_from = argv[11];
char *full_via = argv[12];
nua_handle_t *nh;
char *to;
char *open;
char *tmp;
if (!rpid) {
rpid = "unknown";
}
if (in) {
note = switch_mprintf("<dm:note>%s</dm:note>", status);
open = "open";
} else {
note = NULL;
open = "closed";
}
if (strcasecmp(proto, SOFIA_CHAT_PROTO)) {
/*encapsulate*/
id = switch_mprintf("sip:%s+%s+%s@%s", proto, sub_to_user, sub_to_host, host);
} else {
id = switch_mprintf("sip:%s@%s", sub_to_user, sub_to_host);
}
to = switch_mprintf("sip:%s@%s", user, host);
pl = switch_mprintf("<?xml version='1.0' encoding='UTF-8'?>\r\n"
"<presence xmlns='urn:ietf:params:xml:ns:pidf'\r\n"
"xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model'\r\n"
"xmlns:rpid='urn:ietf:params:xml:ns:pidf:rpid'\r\n"
"xmlns:c='urn:ietf:params:xml:ns:pidf:cipid'\r\n"
"entity='pres:%s'>\r\n"
"<tuple id='t6a5ed77e'>\r\n"
"<status>\r\n"
"<basic>%s</basic>\r\n"
"</status>\r\n"
"</tuple>\r\n"
"<dm:person id='p06360c4a'>\r\n"
"<rpid:activities>\r\n"
"<rpid:%s/>\r\n"
"</rpid:activities>%s</dm:person>\r\n"
"</presence>", id, open, rpid, note);
nh = nua_handle(profile->nua, NULL, TAG_END());
tmp = contact;
contact = get_url_from_contact(tmp, 0);
nua_notify(nh,
NUTAG_URL(contact),
SIPTAG_TO_STR(full_from),
SIPTAG_FROM_STR(to),
SIPTAG_CONTACT_STR(profile->url),
SIPTAG_CALL_ID_STR(callid),
SIPTAG_VIA_STR(full_via),
SIPTAG_SUBSCRIPTION_STATE_STR("active;expires=3600"),
SIPTAG_EVENT_STR(event),
SIPTAG_CONTENT_TYPE_STR("application/pidf+xml"),
SIPTAG_PAYLOAD_STR(pl),
TAG_END());
switch_safe_free(id);
switch_safe_free(note);
switch_safe_free(pl);
switch_safe_free(to);
return 0;
}
static void sip_i_subscribe(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
if (sip) {
long exp, exp_raw;
sip_to_t const *to = sip->sip_to;
sip_from_t const *from = sip->sip_from;
sip_contact_t const *contact = sip->sip_contact;
char *from_user = NULL;
char *from_host = NULL;
char *to_user = NULL;
char *to_host = NULL;
char *sql, *event = NULL;
char *proto = "sip";
char *d_user = NULL;
char *contact_str = "";
char *call_id = NULL;
char *to_str = NULL;
char *full_from = NULL;
char *full_via = NULL;
switch_core_db_t *db;
char *errmsg;
char *sstr;
const char *display = "\"user\"";
switch_event_t *sevent;
if (contact) {
char *port = (char *) contact->m_url->url_port;
display = contact->m_display;
if (switch_strlen_zero(display)) {
if (from) {
display = from->a_display;
if (switch_strlen_zero(display)) {
display = "\"user\"";
}
}
} else {
display = "\"user\"";
}
if (!port) {
port = "5060";
}
if (contact->m_url->url_params) {
contact_str = switch_mprintf("%s <sip:%s@%s:%s;%s>",
display,
contact->m_url->url_user,
contact->m_url->url_host, port, contact->m_url->url_params);
} else {
contact_str = switch_mprintf("%s <sip:%s@%s:%s>",
display,
contact->m_url->url_user,
contact->m_url->url_host, port);
}
}
if (to) {
to_str = switch_mprintf("sip:%s@%s", to->a_url->url_user, to->a_url->url_host);//, to->a_url->url_port);
}
if (to) {
to_user = (char *) to->a_url->url_user;
to_host = (char *) to->a_url->url_host;
}
if (strstr(to_user, "ext+") || strstr(to_user, "user+") || strstr(to_user, "conf+")) {
char proto[80];
char *p;
switch_copy_string(proto, to_user, sizeof(proto));
if ((p = strchr(proto, '+'))) {
*p = '\0';
}
if (switch_event_create(&sevent, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(sevent, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
switch_event_add_header(sevent, SWITCH_STACK_BOTTOM, "login", "%s", profile->name);
switch_event_add_header(sevent, SWITCH_STACK_BOTTOM, "from", "%s@%s", to_user, to_host);
switch_event_add_header(sevent, SWITCH_STACK_BOTTOM, "rpid", "unknown");
switch_event_add_header(sevent, SWITCH_STACK_BOTTOM, "status", "Click To Call");
switch_event_fire(&sevent);
}
}
if (strchr(to_user, '+')) {
char *h;
if ((proto = (d_user = strdup(to_user)))) {
if ((to_user = strchr(d_user, '+'))) {
*to_user++ = '\0';
if ((h = strchr(to_user, '+')) || (h = strchr(to_user, '@'))) {
*h++ = '\0';
to_host = h;
}
}
}
if (!(proto && to_user && to_host)) {
nua_respond(nh, SIP_404_NOT_FOUND, NUTAG_WITH_THIS(nua), TAG_END());
goto end;
}
}
call_id = sip_header_as_string(profile->home, (void *)sip->sip_call_id);
event = sip_header_as_string(profile->home, (void *)sip->sip_event);
full_from = sip_header_as_string(profile->home, (void *)sip->sip_from);
full_via = sip_header_as_string(profile->home, (void *)sip->sip_via);
exp_raw = (sip->sip_expires ? sip->sip_expires->ex_delta : 3600);
exp = (long) time(NULL) + exp_raw;
if ((sql = switch_mprintf("delete from sip_subscriptions where "
"proto='%q' and user='%q' and host='%q' and sub_to_user='%q' and sub_to_host='%q' and event='%q';\n"
"insert into sip_subscriptions values ('%q','%q','%q','%q','%q','%q','%q','%q','%q','%q',%ld)",
proto,
from_user,
from_host,
to_user,
to_host,
event,
proto,
from_user,
from_host,
to_user,
to_host,
event,
contact_str,
call_id,
full_from,
full_via,
exp
))) {
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
}
sstr = switch_mprintf("active;expires=%ld", exp_raw);
nua_respond(nh, SIP_202_ACCEPTED,
NUTAG_WITH_THIS(nua),
SIPTAG_SUBSCRIPTION_STATE_STR(sstr),
SIPTAG_FROM(sip->sip_to),
SIPTAG_TO(sip->sip_from),
SIPTAG_CONTACT_STR(to_str),
TAG_END());
switch_safe_free(sstr);
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
goto end;
}
if ((sql = switch_mprintf("select * from sip_subscriptions where user='%q' and host='%q'",
to_user, to_host, to_user, to_host))) {
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, sub_reg_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_safe_free(sql);
}
switch_core_db_close(db);
end:
if (event) {
su_free(profile->home, event);
}
if (call_id) {
su_free(profile->home, call_id);
}
if (full_from) {
su_free(profile->home, full_from);
}
if (full_via) {
su_free(profile->home, full_via);
}
switch_safe_free(d_user);
switch_safe_free(to_str);
switch_safe_free(contact_str);
}
}
static void sip_r_subscribe(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
}
/*---------------------------------------*/
static void sip_i_refer(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
/* Incoming refer */
sip_from_t const *from;
sip_to_t const *to;
sip_refer_to_t const *refer_to;
switch_core_session_t *session = sofia_private ? sofia_private->session : NULL;
if (session) {
private_object_t *tech_pvt = NULL;
char *etmp = NULL, *exten = NULL;
switch_channel_t *channel_a = NULL, *channel_b = NULL;
tech_pvt = switch_core_session_get_private(session);
channel_a = switch_core_session_get_channel(session);
if (!sip->sip_cseq || !(etmp = switch_mprintf("refer;id=%u", sip->sip_cseq->cs_seq))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
goto done;
}
if (switch_channel_test_flag(channel_a, CF_NOMEDIA)) {
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
goto done;
}
from = sip->sip_from;
to = sip->sip_to;
if ((refer_to = sip->sip_refer_to)) {
if (profile->pflags & PFLAG_FULL_ID) {
exten = switch_mprintf("%s@%s", (char *) refer_to->r_url->url_user, (char *) refer_to->r_url->url_host);
} else {
exten = (char *) refer_to->r_url->url_user;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Process REFER to [%s@%s]\n", exten, (char *) refer_to->r_url->url_host);
if (refer_to->r_url->url_headers) {
sip_replaces_t *replaces;
nua_handle_t *bnh;
char *rep;
if ((rep = strchr(refer_to->r_url->url_headers, '='))) {
char *br_a = NULL, *br_b = NULL;
char *buf;
rep++;
if ((buf = switch_core_session_alloc(session, strlen(rep) + 1))) {
rep = url_unescape(buf, (const char *) rep);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Replaces: [%s]\n", rep);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
goto done;
}
if ((replaces = sip_replaces_make(tech_pvt->home, rep)) && (bnh = nua_handle_by_replaces(nua, replaces))) {
sofia_private_t *b_private;
switch_channel_set_variable(channel_a, SOFIA_REPLACES_HEADER, rep);
if ((b_private = nua_handle_magic(bnh))) {
channel_b = switch_core_session_get_channel(b_private->session);
br_a = switch_channel_get_variable(channel_a, SWITCH_BRIDGE_VARIABLE);
br_b = switch_channel_get_variable(channel_b, SWITCH_BRIDGE_VARIABLE);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Attended Transfer [%s][%s]\n", br_a, br_b);
if (br_a && br_b) {
switch_ivr_uuid_bridge(br_a, br_b);
switch_channel_set_variable(channel_b, "endpoint_disposition", "ATTENDED_TRANSFER");
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
} else {
private_object_t *tech_pvt_b = (private_object_t *) switch_core_session_get_private(b_private->session);
if (!br_a && !br_b) {
switch_set_flag_locked(tech_pvt, TFLAG_NOHUP);
switch_set_flag_locked(tech_pvt_b, TFLAG_XFER);
tech_pvt_b->xferto = switch_core_session_strdup(b_private->session, switch_core_session_get_uuid(session));
} else if (!br_a && br_b) {
switch_core_session_t *bsession;
if ((bsession = switch_core_session_locate(br_b))) {
private_object_t *b_tech_pvt = switch_core_session_get_private(bsession);
switch_channel_t *b_channel = switch_core_session_get_channel(bsession);
private_object_t *bp_tech_pvt = switch_core_session_get_private(b_private->session);
switch_core_session_get_uuid(b_private->session);
switch_set_flag_locked(tech_pvt, TFLAG_NOHUP);
switch_channel_clear_state_handler(b_channel, NULL);
switch_channel_set_state_flag(b_channel, CF_TRANSFER);
switch_channel_set_state(b_channel, CS_TRANSMIT);
switch_set_flag_locked(tech_pvt, TFLAG_REINVITE);
tech_pvt->local_sdp_audio_ip = switch_core_session_strdup(session, bp_tech_pvt->local_sdp_audio_ip);
tech_pvt->local_sdp_audio_port = bp_tech_pvt->local_sdp_audio_port;
tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(session, b_tech_pvt->remote_sdp_audio_ip);
tech_pvt->remote_sdp_audio_port = b_tech_pvt->remote_sdp_audio_port;
activate_rtp(tech_pvt);
b_tech_pvt->kick = switch_core_session_strdup(bsession, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(bsession);
}
switch_channel_hangup(channel_b, SWITCH_CAUSE_ATTENDED_TRANSFER);
}
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
}
}
nua_handle_unref(bnh);
} else { /* the other channel is on a different box, we have to go find them */
if (exten && (br_a = switch_channel_get_variable(channel_a, SWITCH_BRIDGE_VARIABLE))) {
switch_core_session_t *asession;
switch_channel_t *channel = switch_core_session_get_channel(session);
if ((asession = switch_core_session_locate(br_a))) {
switch_core_session_t *tsession;
switch_call_cause_t cause = SWITCH_CAUSE_NORMAL_CLEARING;
uint32_t timeout = 60;
char *tuuid_str;
channel = switch_core_session_get_channel(asession);
exten = switch_mprintf("sofia/%s/%s@%s:%s",
profile->name,
(char *) refer_to->r_url->url_user,
(char *) refer_to->r_url->url_host,
refer_to->r_url->url_port
);
switch_channel_set_variable(channel, SOFIA_REPLACES_HEADER, rep);
if (switch_ivr_originate(asession,
&tsession,
&cause,
exten,
timeout,
&noop_state_handler,
NULL,
NULL,
NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Create Outgoing Channel! [%s]\n", exten);
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
goto done;
}
switch_core_session_rwunlock(asession);
tuuid_str = switch_core_session_get_uuid(tsession);
switch_ivr_uuid_bridge(br_a, tuuid_str);
switch_channel_set_variable(channel_a, "endpoint_disposition", "ATTENDED_TRANSFER");
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
} else {
goto error;
}
} else { error:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Transfer! [%s]\n", br_a);
switch_channel_set_variable(channel_a, "endpoint_disposition", "ATTENDED_TRANSFER_ERROR");
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 403 Forbidden"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
}
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot parse Replaces!\n");
}
goto done;
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing Refer-To\n");
goto done;
}
if (exten) {
switch_channel_t *channel = switch_core_session_get_channel(session);
char *br;
if ((br = switch_channel_get_variable(channel, SWITCH_BRIDGE_VARIABLE))) {
switch_core_session_t *bsession;
if ((bsession = switch_core_session_locate(br))) {
switch_channel_set_variable(channel, "TRANSFER_FALLBACK", (char *) from->a_user);
switch_ivr_session_transfer(bsession, exten, profile->dialplan, profile->context);
switch_core_session_rwunlock(bsession);
}
switch_channel_set_variable(channel, "endpoint_disposition", "BLIND_TRANSFER");
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
} else {
exten = switch_mprintf("sip:%s@%s:%s",
(char *) refer_to->r_url->url_user,
(char *) refer_to->r_url->url_host,
refer_to->r_url->url_port);
tech_pvt->dest = switch_core_session_strdup(session, exten);
switch_set_flag_locked(tech_pvt, TFLAG_NOHUP);
nua_notify(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
SIPTAG_PAYLOAD_STR("SIP/2.0 200 OK"),
SIPTAG_EVENT_STR(etmp),
TAG_END());
do_xfer_invite(session);
}
}
done:
if (exten && strchr(exten, '@')) {
switch_safe_free(exten);
}
if (etmp) {
switch_safe_free(etmp);
}
}
}
static void sip_i_publish(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
if (sip) {
sip_from_t const *from = sip->sip_from;
char *from_user = NULL;
char *from_host = NULL;
char *rpid = "unknown";
sip_payload_t *payload = sip->sip_payload;
char *event_type;
if (from) {
from_user = (char *) from->a_url->url_user;
from_host = (char *) from->a_url->url_host;
}
if (payload) {
switch_xml_t xml, note, person, tuple, status, basic, act;
switch_event_t *event;
uint8_t in = 0;
char *sql;
if ((xml = switch_xml_parse_str(payload->pl_data, strlen(payload->pl_data)))) {
char *status_txt = "", *note_txt = "";
if ((tuple = switch_xml_child(xml, "tuple")) && (status = switch_xml_child(tuple, "status")) && (basic = switch_xml_child(status, "basic"))) {
status_txt = basic->txt;
}
if ((person = switch_xml_child(xml, "dm:person")) && (note = switch_xml_child(person, "dm:note"))) {
note_txt = note->txt;
}
if (person && (act = switch_xml_child(person, "rpid:activities"))) {
if ((rpid = strchr(act->child->name, ':'))) {
rpid++;
} else {
rpid = act->child->name;
}
}
if (!strcasecmp(status_txt, "open")) {
if (switch_strlen_zero(note_txt)) {
note_txt = "Available";
}
in = 1;
} else if (!strcasecmp(status_txt, "closed")) {
if (switch_strlen_zero(note_txt)) {
note_txt = "Unavailable";
}
}
if ((sql = switch_mprintf("update sip_registrations set status='%q',rpid='%q' where user='%q' and host='%q'",
note_txt, rpid, from_user, from_host))) {
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
}
event_type = sip_header_as_string(profile->home, (void *)sip->sip_event);
if (in) {
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "rpid", "%s", rpid);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", from_user, from_host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "status", "%s", note_txt);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "%s", event_type);
switch_event_fire(&event);
}
} else {
if (switch_event_create(&event, SWITCH_EVENT_PRESENCE_OUT) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "rpid", "%s", rpid);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "login", "%s", profile->url);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "from", "%s@%s", from_user, from_host);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "event_type", "%s", event_type);
switch_event_fire(&event);
}
}
if (event_type) {
su_free(profile->home, event_type);
}
switch_xml_free(xml);
}
}
}
nua_respond(nh, SIP_200_OK, NUTAG_WITH_THIS(nua), TAG_END());
}
static void sip_i_info(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
switch_core_session_t *session,
sip_t const *sip,
tagi_t tags[]) {
//placeholder for string searching
char *signal_ptr;
//Try and find signal information in the payload
signal_ptr = strstr(sip->sip_payload->pl_data, "Signal=");
//See if we found a match
if(signal_ptr) {
struct private_object *tech_pvt = NULL;
switch_channel_t *channel = NULL;
char dtmf_digit[2] = {0,0};
//Get the channel
channel = switch_core_session_get_channel(session);
//Barf if we didn't get it
assert(channel != NULL);
//make sure we have our privates
tech_pvt = switch_core_session_get_private(session);
//Barf if we didn't get it
assert(tech_pvt != NULL);
//move signal_ptr where we need it (right past Signal=)
signal_ptr = signal_ptr + 7;
//put the digit somewhere we can muck with
strncpy(dtmf_digit, signal_ptr, 1);
//queue it up
switch_channel_queue_dtmf(channel, dtmf_digit);
//print debug info
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "INFO DTMF(%s)\n", dtmf_digit);
} else { //unknown info type
sip_from_t const *from;
from = sip->sip_from;
//print in the logs if something comes through we don't understand
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Unknown INFO Recieved: %s%s" URL_PRINT_FORMAT "[%s]\n",
from->a_display ? from->a_display : "", from->a_display ? " " : "",
URL_PRINT_ARGS(from->a_url), sip->sip_payload->pl_data);
}
return;
}
static void sip_i_invite(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
switch_core_session_t *session = sofia_private ? sofia_private->session : NULL;
char key[128] = "";
sip_unknown_t *un;
if (!session) {
if ((profile->pflags & PFLAG_AUTH_CALLS)) {
if (handle_register(nua, profile, nh, sip, REG_INVITE, key, sizeof(key))) {
return;
}
}
if ((session = switch_core_session_request(&sofia_endpoint_interface, NULL))) {
private_object_t *tech_pvt = NULL;
switch_channel_t *channel = NULL;
sip_from_t const *from = sip->sip_from;
sip_to_t const *to = sip->sip_to;
char *displayname;
char *username, *to_username = NULL;
char *url_user = (char *) from->a_url->url_user;
char *to_user, *to_host, *to_port;
char *req_user, *req_host, *req_port;
char *contact_user, *contact_host, *contact_port;
char *via_rport, *via_host, *via_port;
char *from_port;
char uri[1024];
if (!(tech_pvt = (private_object_t *) switch_core_session_alloc(session, sizeof(private_object_t)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Hey where is my memory pool?\n");
terminate_session(&session, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER, __LINE__);
return;
}
if (!switch_strlen_zero(key)) {
tech_pvt->key = switch_core_session_strdup(session, key);
}
to_user = (char *) to->a_url->url_user;
to_host = (char *) to->a_url->url_host;
if (!(to_port = (char *) to->a_url->url_port)) {
to_port = "5060";
}
if (switch_strlen_zero(to_user)) { /* if sofia doesnt parse the To: right, we'll have to do it */
if ((to_user = sip_header_as_string(tech_pvt->home, (sip_header_t *) to))) {
char *p;
if (*to_user == '<') {
to_user++;
}
if ((p = strchr((to_user += 4), '@'))) {
*p++ = '\0';
to_host = p;
if ((p = strchr(to_host, '>'))) {
*p = '\0';
}
}
}
}
if (switch_strlen_zero(url_user)) {
url_user = "service";
}
if (!switch_strlen_zero(from->a_display)) {
displayname = switch_core_session_strdup(session, (char *) from->a_display);
if (*displayname == '"') {
char *p;
displayname++;
if ((p = strchr(displayname, '"'))) {
*p = '\0';
}
}
} else {
displayname = url_user;
}
if (!(username = switch_mprintf("%s@%s", url_user, (char *) from->a_url->url_host))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
return;
}
if (profile->pflags & PFLAG_FULL_ID) {
if (!(to_username = switch_mprintf("%s@%s:%s", (char *) to_user, (char *) to_host, to_port))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
switch_safe_free(username);
return;
}
}
attach_private(session, profile, tech_pvt, username);
//switch_core_session_read_lock(session);
//switch_set_flag(tech_pvt, TFLAG_RWLOCK);
channel = switch_core_session_get_channel(session);
switch_channel_set_variable(channel, "endpoint_disposition", "INBOUND CALL");
set_chat_hash(tech_pvt, sip);
switch_channel_set_variable(channel, "sip_from_user", (char *) from->a_url->url_user);
if (from->a_url->url_user && *from->a_url->url_user == '+') {
switch_channel_set_variable(channel, "sip_from_user_stripped", (char *)(from->a_url->url_user+1));
} else {
switch_channel_set_variable(channel, "sip_from_user_stripped", (char *)from->a_url->url_user);
}
switch_channel_set_variable(channel, "sip_from_host", (char *) from->a_url->url_host);
if (!(from_port = (char *) from->a_url->url_port)) {
from_port = "5060";
}
switch_channel_set_variable(channel, "sip_from_port", from_port);
snprintf(uri, sizeof(uri), "%s@%s:%s", (char *) from->a_url->url_user, (char *) from->a_url->url_host, from_port);
switch_channel_set_variable(channel, "sip_from_uri", uri);
switch_channel_set_variable(channel, "sip_to_user", to_user);
switch_channel_set_variable(channel, "sip_to_host", to_host);
switch_channel_set_variable(channel, "sip_to_port", to_port);
snprintf(uri, sizeof(uri), "%s@%s:%s", to_user, to_host, to_port);
switch_channel_set_variable(channel, "sip_to_uri", uri);
req_user = (char *) sip->sip_request->rq_url->url_user;
req_host = (char *) sip->sip_request->rq_url->url_host;
if (!(req_port = (char *) sip->sip_request->rq_url->url_port)) {
req_port = "5060";
}
switch_channel_set_variable(channel, "sip_req_user", req_user);
switch_channel_set_variable(channel, "sip_req_host", req_host);
switch_channel_set_variable(channel, "sip_req_port", req_port);
contact_user = (char *) sip->sip_contact->m_url->url_user;
contact_host = (char *) sip->sip_contact->m_url->url_host;
if (!(contact_port = (char *) sip->sip_contact->m_url->url_port)) {
contact_port = "5060";
}
switch_channel_set_variable(channel, "sip_contact_user", contact_user);
switch_channel_set_variable(channel, "sip_contact_host", contact_host);
switch_channel_set_variable(channel, "sip_contact_port", contact_port);
via_host = (char *) sip->sip_via->v_host;
if (!(via_port = (char *) sip->sip_via->v_port)) {
via_port = "5060";
}
if (!(via_rport = (char *) sip->sip_via->v_rport)) {
via_rport = "5060";
}
switch_channel_set_variable(channel, "sip_via_host", via_host);
switch_channel_set_variable(channel, "sip_via_port", via_port);
switch_channel_set_variable(channel, "sip_via_rport", via_rport);
snprintf(uri, sizeof(uri), "%s@%s:%s", req_user, req_host, req_port);
switch_channel_set_variable(channel, "sip_req_uri", uri);
if ((tech_pvt->caller_profile = switch_caller_profile_new(switch_core_session_get_pool(session),
(char *) from->a_url->url_user,
profile->dialplan,
displayname,
(char *) from->a_url->url_user,
(char *) from->a_url->url_host,
NULL,
NULL,
NULL,
(char *)modname,
(profile->context && !strcasecmp(profile->context, "_domain_")) ?
(char *) from->a_url->url_host : profile->context,
to_username ? to_username : (char *) to_user
)) != 0) {
for (un=sip->sip_unknown; un; un=un->un_next) {
if (!strncasecmp(un->un_name, "Alert-Info", 10)) {
if (!switch_strlen_zero(un->un_value)) {
switch_channel_set_variable(channel, "alert_info", (char *)un->un_value);
}
// Loop thru Known Headers Here so we can do something with them
} else if (!strncasecmp(un->un_name, "Remote-Party-ID", 15)) {
int argc, x, screen = 1;
char *mydata, *argv[10] = { 0 };
if (!switch_strlen_zero(un->un_value)) {
if ((mydata = strdup(un->un_value))) {
argc = switch_separate_string(mydata, ';', argv, (sizeof(argv) / sizeof(argv[0])));
// Do We really need this at this time
// clid_uri = argv[0];
for (x=1; x < argc && argv[x]; x++){
// we dont need to do anything with party yet we should only be seeing party=calling here anyway
// maybe thats a dangerous assumption bit oh well yell at me later
// if (!strncasecmp(argv[x], "party", 5)) {
// party = argv[x];
// } else
if (!strncasecmp(argv[x], "privacy=", 8)) {
char *arg = argv[x] + 9;
if (!strcasecmp(arg, "yes")) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NAME | SWITCH_CPF_HIDE_NUMBER);
} else if (!strcasecmp(arg, "full")) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NAME | SWITCH_CPF_HIDE_NUMBER);
} else if (!strcasecmp(arg, "name")) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NAME);
} else if (!strcasecmp(arg, "number")) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NUMBER);
} else {
switch_clear_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NAME);
switch_clear_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NUMBER);
}
} else if (!strncasecmp(argv[x], "screen=", 7) && screen > 0) {
char *arg = argv[x] + 8;
if (!strcasecmp(arg, "no")) {
screen = 0;
switch_clear_flag(tech_pvt->caller_profile, SWITCH_CPF_SCREEN);
}
}
}
free(mydata);
}
}
break;
}
}
switch_channel_set_caller_profile(channel, tech_pvt->caller_profile);
switch_safe_free(username);
switch_safe_free(to_username);
}
tech_pvt->sofia_private.session = session;
nua_handle_bind(nh, &tech_pvt->sofia_private);
}
}
}
static void sip_i_register(nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
char key[128] = "";
handle_register(nua, profile, nh, sip, REG_REGISTER, key, sizeof(key));
}
static void sip_i_options(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
nua_respond(nh, SIP_200_OK,
//SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str),
//SOATAG_AUDIO_AUX("cn telephone-event"),
//NUTAG_INCLUDE_EXTRA_SDP(1),
TAG_END());
}
static void sip_r_register(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
if (sofia_private && sofia_private->oreg) {
if (status == 200) {
sofia_private->oreg->state = REG_STATE_REGISTER;
} else {
sofia_private->oreg->state = REG_STATE_FAILED;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "received %d on register!\n", status);
}
}
}
static void sip_r_challenge(int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
outbound_reg_t *oreg = NULL;
sip_www_authenticate_t const *authenticate = NULL;
switch_core_session_t *session = sofia_private ? sofia_private->session : NULL;
char const *realm = NULL;
char *p = NULL, *duprealm = NULL, *qrealm = NULL;
char const *scheme = NULL;
int index;
char *cur;
char authentication[256] = "";
int ss_state;
if (session) {
private_object_t *tech_pvt;
if ((tech_pvt = switch_core_session_get_private(session)) && switch_test_flag(tech_pvt, TFLAG_REFER)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "received reply from refer\n");
return;
}
}
if (sip->sip_www_authenticate) {
authenticate = sip->sip_www_authenticate;
} else if (sip->sip_proxy_authenticate) {
authenticate = sip->sip_proxy_authenticate;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Missing Authenticate Header!\n");
return;
}
scheme = (char const *) authenticate->au_scheme;
if (authenticate->au_params) {
for(index = 0; (cur=(char*)authenticate->au_params[index]); index++) {
if ((realm = strstr(cur, "realm="))) {
realm += 6;
break;
}
}
}
if (!(scheme && realm)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No scheme and realm!\n");
return;
}
if (profile) {
outbound_reg_t *oregp;
if ((duprealm = strdup(realm))) {
qrealm = duprealm;
while(*qrealm && *qrealm == '"') {
qrealm++;
}
if ((p = strchr(qrealm, '"'))) {
*p = '\0';
}
for (oregp = profile->registrations; oregp; oregp = oregp->next) {
if (scheme && qrealm && !strcasecmp(oregp->register_scheme, scheme) && !strcasecmp(oregp->register_realm, qrealm)) {
oreg = oregp;
break;
}
}
if (!oreg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No Match for Scheme [%s] Realm [%s]\n", scheme, qrealm);
return;
}
switch_safe_free(duprealm);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
return;
}
}
snprintf(authentication, sizeof(authentication), "%s:%s:%s:%s", scheme, realm,
oreg->register_username,
oreg->register_password);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Authenticating '%s' with '%s'.\n",
profile->username, authentication);
ss_state = nua_callstate_authenticating;
tl_gets(tags,
NUTAG_CALLSTATE_REF(ss_state),
SIPTAG_WWW_AUTHENTICATE_REF(authenticate),
TAG_END());
nua_authenticate(nh, SIPTAG_EXPIRES_STR(oreg->expires_str), NUTAG_AUTH(authentication), TAG_END());
}
static void event_callback(nua_event_t event,
int status,
char const *phrase,
nua_t *nua,
sofia_profile_t *profile,
nua_handle_t *nh,
sofia_private_t *sofia_private,
sip_t const *sip,
tagi_t tags[])
{
struct private_object *tech_pvt = NULL;
auth_res_t auth_res = AUTH_FORBIDDEN;
switch_core_session_t *session = sofia_private ? sofia_private->session : NULL;
if (session) {
if (switch_core_session_read_lock(session) != SWITCH_STATUS_SUCCESS) {
/* too late */
return;
}
tech_pvt = switch_core_session_get_private(session);
}
if (status != 100 && status != 200) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "event [%s] status [%d][%s] session: %s\n",
nua_event_name (event), status, phrase,
session ? switch_channel_get_name(switch_core_session_get_channel(session)) : "n/a"
);
}
if ((profile->pflags & PFLAG_AUTH_ALL) && tech_pvt && tech_pvt->key && sip) {
sip_authorization_t const *authorization = NULL;
switch_channel_t *channel = switch_core_session_get_channel(tech_pvt->session);
assert(channel != NULL);
if (sip->sip_authorization) {
authorization = sip->sip_authorization;
} else if (sip->sip_proxy_authorization) {
authorization = sip->sip_proxy_authorization;
}
if (authorization) {
auth_res = parse_auth(profile, authorization, (char *)sip->sip_request->rq_method_name, tech_pvt->key, strlen(tech_pvt->key));
}
if (auth_res != AUTH_OK) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
nua_respond(nh, SIP_401_UNAUTHORIZED, TAG_END());
goto done;
}
if (session) {
switch_channel_set_variable(channel, "sip_authorized", "true");
}
}
if (sip && (status == 401 || status == 407)) {
sip_r_challenge(status, phrase, nua, profile, nh, sofia_private, sip, tags);
goto done;
}
switch (event) {
case nua_r_shutdown:
//sip_r_shutdown(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_get_params:
//sip_r_get_params(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_invite:
break;
case nua_r_register:
sip_r_register(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_unregister:
//sip_r_unregister(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_options:
//sip_r_options(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_options:
sip_i_options(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_fork:
//sip_i_fork(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_invite:
sip_i_invite(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_publish:
sip_i_publish(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_register:
sip_i_register (nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_prack:
//sip_i_prack(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_state:
sip_i_state(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_bye:
//sip_r_bye(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_bye:
//sip_i_bye(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_message:
sip_i_message(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_info:
//sip_r_info(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_info:
sip_i_info(nua, profile, nh, session, sip, tags);
break;
case nua_r_refer:
//sip_r_refer(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_refer:
sip_i_refer(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_subscribe:
sip_r_subscribe(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_subscribe:
sip_i_subscribe(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_unsubscribe:
//sip_r_unsubscribe(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_publish:
//sip_r_publish(status, phrase, nua, profile, nh, sofia_private, sip, tags);
break;
case nua_r_message:
case nua_r_notify:
if (nh) {
nua_handle_destroy(nh);
}
break;
case nua_i_notify:
//sip_i_notify(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_cancel:
//sip_i_cancel(nua, profile, nh, sofia_private, sip, tags);
break;
case nua_i_error:
//sip_i_error(nua, profile, nh, sofia_private, status, phrase, tags);
break;
case nua_i_active:
case nua_i_ack:
case nua_i_terminated:
case nua_r_set_params:
break;
default:
if (status > 100)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s: unknown event %d: %03d %s\n",
nua_event_name (event), event, status, phrase);
else
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s: unknown event %d\n", nua_event_name (event), event);
break;
}
done:
if (session) {
switch_core_session_rwunlock(session);
}
}
static void unreg(sofia_profile_t *profile)
{
outbound_reg_t *oregp;
for (oregp = profile->registrations; oregp; oregp = oregp->next) {
nua_handle_destroy(oregp->nh);
}
}
static void check_oreg(sofia_profile_t *profile, time_t now)
{
outbound_reg_t *oregp;
for (oregp = profile->registrations; oregp; oregp = oregp->next) {
int ss_state = nua_callstate_authenticating;
reg_state_t ostate = oregp->state;
switch(ostate) {
case REG_STATE_REGISTER:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "registered %s\n", oregp->name);
oregp->expires = now + oregp->freq;
oregp->state = REG_STATE_REGED;
break;
case REG_STATE_UNREGED:
if ((oregp->nh = nua_handle(oregp->profile->nua, NULL,
NUTAG_URL(oregp->register_proxy),
SIPTAG_TO_STR(oregp->register_to),
NUTAG_CALLSTATE_REF(ss_state),
SIPTAG_FROM_STR(oregp->register_from), TAG_END()))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "registering %s\n", oregp->name);
oregp->sofia_private.oreg = oregp;
nua_handle_bind(oregp->nh, &oregp->sofia_private);
nua_register(oregp->nh,
SIPTAG_FROM_STR(oregp->register_from),
SIPTAG_CONTACT_STR(oregp->register_from),
SIPTAG_EXPIRES_STR(oregp->expires_str),
NUTAG_REGISTRAR(oregp->register_proxy),
NUTAG_OUTBOUND("no-options-keepalive"),
NUTAG_OUTBOUND("no-validate"),
NUTAG_KEEPALIVE(0),
TAG_NULL());
oregp->retry = now + 10;
oregp->state = REG_STATE_TRYING;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error registering %s\n", oregp->name);
oregp->state = REG_STATE_FAILED;
}
break;
case REG_STATE_TRYING:
if (oregp->retry && now >= oregp->retry) {
oregp->state = REG_STATE_UNREGED;
oregp->retry = 0;
}
break;
default:
if (oregp->expires && now >= oregp->expires) {
oregp->state = REG_STATE_UNREGED;
oregp->expires = 0;
}
break;
}
}
}
#define IREG_SECONDS 30
#define OREG_SECONDS 1
static void *SWITCH_THREAD_FUNC profile_thread_run(switch_thread_t *thread, void *obj)
{
sofia_profile_t *profile = (sofia_profile_t *) obj;
switch_memory_pool_t *pool;
sip_alias_node_t *node;
uint32_t ireg_loops = 0;
uint32_t oreg_loops = 0;
switch_core_db_t *db;
switch_event_t *s_event;
profile->s_root = su_root_create(NULL);
profile->home = su_home_new(sizeof(*profile->home));
profile->nua = nua_create(profile->s_root, /* Event loop */
event_callback, /* Callback for processing events */
profile, /* Additional data to pass to callback */
NUTAG_URL(profile->url),
NTATAG_UDP_MTU(65536),
TAG_END()); /* Last tag should always finish the sequence */
nua_set_params(profile->nua,
//NUTAG_EARLY_MEDIA(1),
NUTAG_AUTOANSWER(0),
NUTAG_AUTOALERT(0),
NUTAG_ALLOW("REGISTER"),
NUTAG_ALLOW("REFER"),
NUTAG_ALLOW("INFO"),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW("PUBLISH")),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW("NOTIFY")),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW("SUBSCRIBE")),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ENABLEMESSAGE(1)),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW_EVENTS("presence")),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW_EVENTS("presence.winfo")),
SIPTAG_SUPPORTED_STR("100rel, precondition"),
SIPTAG_USER_AGENT_STR(SOFIA_USER_AGENT),
TAG_END());
for (node = profile->aliases; node; node = node->next) {
node->nua = nua_create(profile->s_root, /* Event loop */
event_callback, /* Callback for processing events */
profile, /* Additional data to pass to callback */
NUTAG_URL(node->url),
TAG_END()); /* Last tag should always finish the sequence */
nua_set_params(node->nua,
NUTAG_EARLY_MEDIA(1),
NUTAG_AUTOANSWER(0),
NUTAG_AUTOALERT(0),
NUTAG_ALLOW("REGISTER"),
NUTAG_ALLOW("REFER"),
NUTAG_ALLOW("INFO"),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ALLOW("PUBLISH")),
TAG_IF((profile->pflags & PFLAG_PRESENCE), NUTAG_ENABLEMESSAGE(1)),
SIPTAG_SUPPORTED_STR("100rel, precondition"),
SIPTAG_USER_AGENT_STR(SOFIA_USER_AGENT),
TAG_END());
}
if ((db = switch_core_db_open_file(profile->dbname))) {
switch_core_db_test_reactive(db, "select contact from sip_registrations", reg_sql);
switch_core_db_test_reactive(db, "select contact from sip_subscriptions", sub_sql);
switch_core_db_test_reactive(db, "select * from sip_authentication", auth_sql);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Cannot Open SQL Database!\n");
return NULL;
}
switch_core_db_close(db);
switch_mutex_init(&profile->ireg_mutex, SWITCH_MUTEX_NESTED, profile->pool);
switch_mutex_init(&profile->oreg_mutex, SWITCH_MUTEX_NESTED, profile->pool);
ireg_loops = IREG_SECONDS;
oreg_loops = OREG_SECONDS;
if (switch_event_create(&s_event, SWITCH_EVENT_PUBLISH) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "service", "_sip._udp");
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "port", "%d", profile->sip_port);
switch_event_fire(&s_event);
}
if (switch_event_create(&s_event, SWITCH_EVENT_PUBLISH) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "service", "_sip._tcp");
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "port", "%d", profile->sip_port);
switch_event_fire(&s_event);
}
if (switch_event_create(&s_event, SWITCH_EVENT_PUBLISH) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "service", "_sip._sctp");
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "port", "%d", profile->sip_port);
switch_event_fire(&s_event);
}
switch_mutex_lock(globals.hash_mutex);
switch_core_hash_insert(globals.profile_hash, profile->name, profile);
switch_mutex_unlock(globals.hash_mutex);
if (profile->pflags & PFLAG_PRESENCE) {
establish_presence(profile);
}
while(globals.running == 1) {
if (++ireg_loops >= IREG_SECONDS) {
check_expire(profile, time(NULL));
ireg_loops = 0;
}
if (++oreg_loops >= OREG_SECONDS) {
check_oreg(profile, time(NULL));
oreg_loops = 0;
}
su_root_step(profile->s_root, 1000);
}
unreg(profile);
su_home_unref(profile->home);
if (switch_event_create(&s_event, SWITCH_EVENT_UNPUBLISH) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "service", "_sip._udp");
switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "port", "%d", profile->sip_port);
switch_event_fire(&s_event);
}
su_root_destroy(profile->s_root);
pool = profile->pool;
switch_core_destroy_memory_pool(&pool);
switch_mutex_lock(globals.mutex);
globals.running = 0;
switch_mutex_unlock(globals.mutex);
return NULL;
}
static void launch_profile_thread(sofia_profile_t *profile)
{
switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
switch_threadattr_create(&thd_attr, profile->pool);
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&thread, thd_attr, profile_thread_run, profile, profile->pool);
}
static switch_status_t config_sofia(int reload)
{
char *cf = "sofia.conf";
switch_xml_t cfg, xml = NULL, xprofile, param, settings, profiles, registration, registrations;
switch_status_t status = SWITCH_STATUS_SUCCESS;
sofia_profile_t *profile = NULL;
char url[512] = "";
switch_mutex_lock(globals.mutex);
globals.running = 1;
switch_mutex_unlock(globals.mutex);
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
status = SWITCH_STATUS_FALSE;
goto done;
}
if ((settings = switch_xml_child(cfg, "global_settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "log-level")) {
su_log_set_level(NULL, atoi(val));
} else if (!strcasecmp(var, "log-level-trace")) {
su_log_set_level(tport_log, atoi(val));
}
}
}
if ((profiles = switch_xml_child(cfg, "profiles"))) {
for (xprofile = switch_xml_child(profiles, "profile"); xprofile; xprofile = xprofile->next) {
if (!(settings = switch_xml_child(xprofile, "settings"))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No Settings, check the new config!\n", cf);
} else {
char *xprofilename = (char *) switch_xml_attr_soft(xprofile, "name");
switch_memory_pool_t *pool = NULL;
/* Setup the pool */
if ((status = switch_core_new_memory_pool(&pool)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
goto done;
}
if (!(profile = (sofia_profile_t *) switch_core_alloc(pool, sizeof(*profile)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
goto done;
}
if (!xprofilename) {
xprofilename = "unnamed";
}
profile->pool = pool;
profile->name = switch_core_strdup(profile->pool, xprofilename);
snprintf(url, sizeof(url), "sofia_reg_%s", xprofilename);
profile->dbname = switch_core_strdup(profile->pool, url);
switch_core_hash_init(&profile->chat_hash, profile->pool);
profile->dtmf_duration = 100;
profile->codec_ms = 20;
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "debug")) {
profile->debug = atoi(val);
} else if (!strcasecmp(var, "use-rtp-timer") && switch_true(val)) {
switch_set_flag(profile, TFLAG_TIMER);
} else if (!strcasecmp(var, "rfc2833-pt")) {
profile->te = (switch_payload_t) atoi(val);
} else if (!strcasecmp(var, "sip-port")) {
profile->sip_port = atoi(val);
} else if (!strcasecmp(var, "vad")) {
if (!strcasecmp(val, "in")) {
switch_set_flag(profile, TFLAG_VAD_IN);
} else if (!strcasecmp(val, "out")) {
switch_set_flag(profile, TFLAG_VAD_OUT);
} else if (!strcasecmp(val, "both")) {
switch_set_flag(profile, TFLAG_VAD_IN);
switch_set_flag(profile, TFLAG_VAD_OUT);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invald option %s for VAD\n", val);
}
} else if (!strcasecmp(var, "ext-rtp-ip")) {
profile->extrtpip = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "rtp-ip")) {
profile->rtpip = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "sip-ip")) {
profile->sipip = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "sip-domain")) {
profile->sipdomain = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "rtp-timer-name")) {
profile->timer_name = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "manage-presence")) {
if (switch_true(val)) {
profile->pflags |= PFLAG_PRESENCE;
}
} else if (!strcasecmp(var, "auth-calls")) {
if (switch_true(val)) {
profile->pflags |= PFLAG_AUTH_CALLS;
}
} else if (!strcasecmp(var, "accept-blind-reg")) {
if (switch_true(val)) {
profile->pflags |= PFLAG_BLIND_REG;
}
} else if (!strcasecmp(var, "auth-all-packets")) {
if (switch_true(val)) {
profile->pflags |= PFLAG_AUTH_ALL;
}
} else if (!strcasecmp(var, "full-id-in-dialplan")) {
if (switch_true(val)) {
profile->pflags |= PFLAG_FULL_ID;
}
} else if (!strcasecmp(var, "ext-sip-ip")) {
profile->extsipip = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "bitpacking")) {
if (!strcasecmp(val, "aal2")) {
profile->codec_flags = SWITCH_CODEC_FLAG_AAL2;
}
} else if (!strcasecmp(var, "username")) {
profile->username = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "context")) {
profile->context = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "alias")) {
sip_alias_node_t *node;
if ((node = switch_core_alloc(profile->pool, sizeof(*node)))) {
if ((node->url = switch_core_strdup(profile->pool, val))) {
node->next = profile->aliases;
profile->aliases = node;
}
}
} else if (!strcasecmp(var, "dialplan")) {
profile->dialplan = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "max-calls")) {
profile->max_calls = atoi(val);
} else if (!strcasecmp(var, "codec-prefs")) {
profile->codec_string = switch_core_strdup(profile->pool, val);
profile->codec_order_last = switch_separate_string(profile->codec_string, ',', profile->codec_order, SWITCH_MAX_CODECS);
} else if (!strcasecmp(var, "codec-ms")) {
profile->codec_ms = atoi(val);
} else if (!strcasecmp(var, "dtmf-duration")) {
int dur = atoi(val);
if (dur > 10 && dur < 8000) {
profile->dtmf_duration = dur;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Duration out of bounds!\n");
}
}
}
if (switch_test_flag(profile, TFLAG_TIMER) && !profile->timer_name) {
profile->timer_name = switch_core_strdup(profile->pool, "soft");
}
if (!profile->username) {
profile->username = switch_core_strdup(profile->pool, "FreeSWITCH");
}
if (!profile->rtpip) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Setting ip to '127.0.0.1'\n");
profile->rtpip = switch_core_strdup(profile->pool, "127.0.0.1");
}
if (!profile->sip_port) {
profile->sip_port = 5060;
}
if (!profile->dialplan) {
profile->dialplan = switch_core_strdup(profile->pool, "XML");
}
if (!profile->sipdomain) {
profile->sipdomain = switch_core_strdup(profile->pool, profile->sipip);
}
snprintf(url, sizeof(url), "sip:mod_sofia@%s:%d", profile->sipip, profile->sip_port);
profile->url = switch_core_strdup(profile->pool, url);
}
if (profile) {
if ((registrations = switch_xml_child(xprofile, "registrations"))) {
for (registration = switch_xml_child(registrations, "registration"); registration; registration = registration->next) {
char *name = (char *) switch_xml_attr_soft(registration, "name");
outbound_reg_t *oreg;
if (switch_strlen_zero(name)) {
name = "anonymous";
}
if ((oreg = switch_core_alloc(profile->pool, sizeof(*oreg)))) {
oreg->pool = profile->pool;
oreg->profile = profile;
oreg->name = switch_core_strdup(oreg->pool, name);
oreg->freq = 0;
for (param = switch_xml_child(registration, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcmp(var, "register-scheme")) {
oreg->register_scheme = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-realm")) {
oreg->register_realm = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-username")) {
oreg->register_username = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-password")) {
oreg->register_password = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-from")) {
oreg->register_from = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-to")) {
oreg->register_to = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-proxy")) {
oreg->register_proxy = switch_core_strdup(oreg->pool, val);
} else if (!strcmp(var, "register-frequency")) {
oreg->expires_str = switch_core_strdup(oreg->pool, val);
}
}
if (switch_strlen_zero(oreg->register_scheme)) {
oreg->register_scheme = switch_core_strdup(oreg->pool, "Digest");
}
if (switch_strlen_zero(oreg->register_realm)) {
oreg->register_realm = switch_core_strdup(oreg->pool, "freeswitch.org");
}
if (switch_strlen_zero(oreg->register_username)) {
oreg->register_username = switch_core_strdup(oreg->pool, "freeswitch");
}
if (switch_strlen_zero(oreg->register_password)) {
oreg->register_password = switch_core_strdup(oreg->pool, "works");
}
if (switch_strlen_zero(oreg->register_from)) {
oreg->register_from = switch_core_strdup(oreg->pool, "FreeSWITCH <sip:freeswitch@freeswitch.org>");
}
if (switch_strlen_zero(oreg->register_to)) {
oreg->register_to = switch_core_strdup(oreg->pool, "sip:freeswitch@freeswitch.org");
}
if (switch_strlen_zero(oreg->register_proxy)) {
oreg->register_proxy = switch_core_strdup(oreg->pool, "sip:freeswitch@freeswitch.org");
}
if (switch_strlen_zero(oreg->expires_str)) {
oreg->expires_str = switch_core_strdup(oreg->pool, "300");
}
oreg->freq = atoi(oreg->expires_str);
oreg->next = profile->registrations;
profile->registrations = oreg;
}
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Started Profile %s [%s]\n", profile->name, url);
launch_profile_thread(profile);
profile = NULL;
}
}
}
done:
if (xml) {
switch_xml_free(xml);
}
return status;
}
static void event_handler(switch_event_t *event)
{
char *subclass, *sql;
if ((subclass = switch_event_get_header(event, "orig-event-subclass")) && !strcasecmp(subclass, MY_EVENT_REGISTER)) {
char *from_user = switch_event_get_header(event, "orig-from-user");
char *from_host = switch_event_get_header(event, "orig-from-host");
char *contact_str = switch_event_get_header(event, "orig-contact");
char *exp_str = switch_event_get_header(event, "orig-expires");
char *rpid = switch_event_get_header(event, "orig-rpid");
long expires = (long)time(NULL) + atol(exp_str);
char *profile_name = switch_event_get_header(event, "orig-profile-name");
sofia_profile_t *profile;
char buf[512];
if (!rpid) {
rpid = "unknown";
}
if (!profile_name || !(profile = (sofia_profile_t *) switch_core_hash_find(globals.profile_hash, profile_name))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Profile\n");
return;
}
if (!find_reg_url(profile, from_user, from_host, buf, sizeof(buf))) {
sql = switch_mprintf("insert into sip_registrations values ('%q','%q','%q','Regestered', '%q', %ld)",
from_user,
from_host,
contact_str,
rpid,
expires);
} else {
sql = switch_mprintf("update sip_registrations set contact='%q', rpid='%q', expires=%ld where user='%q' and host='%q'",
contact_str,
rpid,
expires,
from_user,
from_host);
}
if (sql) {
execute_sql(profile->dbname, sql, profile->ireg_mutex);
switch_safe_free(sql);
sql = NULL;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Propagating registration for %s@%s->%s\n",
from_user, from_host, contact_str);
}
}
}
static switch_status_t chat_send(char *proto, char *from, char *to, char *subject, char *body, char *hint)
{
char buf[256];
char *user, *host;
sofia_profile_t *profile;
char *ffrom = NULL;
nua_handle_t *msg_nh;
char *contact;
if (to && (user = strdup(to))) {
if ((host = strchr(user, '@'))) {
*host++ = '\0';
}
if (!host || !(profile = (sofia_profile_t *) switch_core_hash_find(globals.profile_hash, host))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Profile %s\n", host ? host : "NULL");
return SWITCH_STATUS_FALSE;
}
if (!find_reg_url(profile, user, host, buf, sizeof(buf))) {
return SWITCH_STATUS_FALSE;
}
if (!strcmp(proto, SOFIA_CHAT_PROTO)) {
from = hint;
} else {
char *fp, *p, *fu = NULL;
if (!(fp = strdup(from))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
return SWITCH_STATUS_FALSE;
}
if ((p = strchr(fp, '@'))) {
*p = '\0';
fu = strdup(fp);
*p = '+';
}
ffrom = switch_mprintf("\"%s\" <sip:%s+%s@%s>", fu, proto, fp, profile->name);
from = ffrom;
switch_safe_free(fu);
switch_safe_free(fp);
}
contact = get_url_from_contact(buf, 1);
msg_nh = nua_handle(profile->nua, NULL,
SIPTAG_FROM_STR(from),
NUTAG_URL(contact),
SIPTAG_TO_STR(buf), // if this cries, add contact here too, change the 1 to 0 and omit the safe_free
SIPTAG_CONTACT_STR(profile->url),
TAG_END());
switch_safe_free(contact);
nua_message(msg_nh,
SIPTAG_CONTENT_TYPE_STR("text/html"),
SIPTAG_PAYLOAD_STR(body),
TAG_END());
switch_safe_free(ffrom);
free(user);
}
return SWITCH_STATUS_SUCCESS;
}
static void cancel_presence(void)
{
char *sql, *errmsg = NULL;
switch_core_db_t *db;
sofia_profile_t *profile;
switch_hash_index_t *hi;
void *val;
if ((sql = switch_mprintf("select 0,'unavailable','unavailable',* from sip_subscriptions where event='presence'"))) {
for (hi = switch_hash_first(apr_hash_pool_get(globals.profile_hash), globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (sofia_profile_t *) val;
if (!(profile->pflags & PFLAG_PRESENCE)) {
continue;
}
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
continue;
}
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, sub_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_core_db_close(db);
}
switch_safe_free(sql);
}
}
static void establish_presence(sofia_profile_t *profile)
{
char *sql, *errmsg = NULL;
switch_core_db_t *db;
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
return;
}
if ((sql = switch_mprintf("select user,host,'Registered','unknown','' from sip_registrations"))) {
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, resub_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_safe_free(sql);
}
if ((sql = switch_mprintf("select sub_to_user,sub_to_host,'Online','unknown',proto from sip_subscriptions "
"where proto='ext' or proto='user' or proto='conf'"))) {
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, resub_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_safe_free(sql);
}
switch_core_db_close(db);
}
static char *translate_rpid(char *in, char *ext)
{
char *r = NULL;
if (in && (strstr(in, "null") || strstr(in, "NULL"))) {
in = NULL;
}
if (!in) {
in = ext;
}
if (!in) {
return NULL;
}
if (!strcasecmp(in, "dnd")) {
r = "busy";
}
if (ext && !strcasecmp(ext, "away")) {
r = "idle";
}
return r;
}
static void pres_event_handler(switch_event_t *event)
{
sofia_profile_t *profile;
switch_hash_index_t *hi;
void *val;
char *from = switch_event_get_header(event, "from");
char *proto = switch_event_get_header(event, "proto");
char *rpid = switch_event_get_header(event, "rpid");
char *status= switch_event_get_header(event, "status");
char *event_type = switch_event_get_header(event, "event_type");
//char *event_subtype = switch_event_get_header(event, "event_subtype");
char *sql = NULL;
char *euser = NULL, *user = NULL, *host = NULL;
char *errmsg;
switch_core_db_t *db;
if (rpid && !strcasecmp(rpid, "n/a")) {
rpid = NULL;
}
if (status && !strcasecmp(status, "n/a")) {
status = NULL;
}
if (rpid) {
rpid = translate_rpid(rpid, status);
}
if (!status) {
status = "Available";
if (rpid) {
if (!strcasecmp(rpid, "busy")) {
status = "Busy";
} else if (!strcasecmp(rpid, "unavailable")) {
status = "Idle";
} else if (!strcasecmp(rpid, "away")) {
status = "Idle";
}
}
}
if (!rpid) {
rpid = "unknown";
}
if (event->event_id == SWITCH_EVENT_ROSTER) {
if (from) {
sql = switch_mprintf("select 1,'%q','%q',* from sip_subscriptions where event='presence' and full_from like '%%%q%%'", status, rpid, from);
} else {
sql = switch_mprintf("select 1,'%q','%q',* from sip_subscriptions where event='presence'", status, rpid);
}
for (hi = switch_hash_first(apr_hash_pool_get(globals.profile_hash), globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (sofia_profile_t *) val;
if (!(profile->pflags & PFLAG_PRESENCE)) {
continue;
}
if (sql) {
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
continue;
}
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, sub_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_core_db_close(db);
}
}
return;
}
if (switch_strlen_zero(event_type)) {
event_type="presence";
}
if ((user = strdup(from))) {
if ((host = strchr(user, '@'))) {
char *p;
*host++ = '\0';
if ((p = strchr(host, '/'))) {
*p = '\0';
}
} else {
switch_safe_free(user);
return;
}
if ((euser = strchr(user, '+'))) {
euser++;
} else {
euser = user;
}
} else {
return;
}
switch(event->event_id) {
case SWITCH_EVENT_PRESENCE_IN:
sql = switch_mprintf("select 1,'%q','%q',* from sip_subscriptions where proto='%q' and event='%q' and sub_to_user='%q' and sub_to_host='%q'",
status , rpid, proto, event_type, euser, host);
break;
case SWITCH_EVENT_PRESENCE_OUT:
sql = switch_mprintf("select 0,'%q','%q',* from sip_subscriptions where proto='%q' and event='%q' and sub_to_user='%q' and sub_to_host='%q'",
status, rpid, proto, event_type, euser, host);
break;
default:
break;
}
for (hi = switch_hash_first(apr_hash_pool_get(globals.profile_hash), globals.profile_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, NULL, NULL, &val);
profile = (sofia_profile_t *) val;
if (!(profile->pflags & PFLAG_PRESENCE)) {
continue;
}
if (sql) {
if (!(db = switch_core_db_open_file(profile->dbname))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB %s\n", profile->dbname);
continue;
}
switch_mutex_lock(profile->ireg_mutex);
switch_core_db_exec(db, sql, sub_callback, profile, &errmsg);
switch_mutex_unlock(profile->ireg_mutex);
switch_core_db_close(db);
}
}
switch_safe_free(sql);
switch_safe_free(user);
}
SWITCH_MOD_DECLARE(switch_status_t) switch_module_load(const switch_loadable_module_interface_t **module_interface, char *filename)
{
silence_frame.data = silence_data;
silence_frame.datalen = sizeof(silence_data);
silence_frame.buflen = sizeof(silence_data);
silence_frame.flags = SFF_CNG;
if (switch_core_new_memory_pool(&module_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "OH OH no pool\n");
return SWITCH_STATUS_TERM;
}
memset(&globals, 0, sizeof(globals));
switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, module_pool);
if (switch_event_bind((char *) modname, SWITCH_EVENT_CUSTOM, MULTICAST_EVENT, event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_TERM;
}
su_init();
su_log_redirect(NULL, logger, NULL);
su_log_redirect(tport_log, logger, NULL);
switch_core_hash_init(&globals.profile_hash, module_pool);
switch_mutex_init(&globals.hash_mutex, SWITCH_MUTEX_NESTED, module_pool);
config_sofia(0);
if (switch_event_bind((char *) modname, SWITCH_EVENT_PRESENCE_IN, SWITCH_EVENT_SUBCLASS_ANY, pres_event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind((char *) modname, SWITCH_EVENT_PRESENCE_OUT, SWITCH_EVENT_SUBCLASS_ANY, pres_event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
if (switch_event_bind((char *) modname, SWITCH_EVENT_ROSTER, SWITCH_EVENT_SUBCLASS_ANY, pres_event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
/* connect my internal structure to the blank pointer passed to me */
*module_interface = &sofia_module_interface;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MOD_DECLARE(switch_status_t) switch_module_shutdown(void)
{
cancel_presence();
switch_mutex_lock(globals.mutex);
if (globals.running == 1) {
globals.running = -1;
}
switch_mutex_unlock(globals.mutex);
while(globals.running) {
switch_yield(1000);
}
su_deinit();
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:nil
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
*/