refactor sofia
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2869 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Brian West
parent
db2be393cf
commit
396beef390
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@ -123,7 +123,15 @@
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<param name="rtp-timer-name" value="soft"/>
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<param name="rtp-ip" value="192.168.1.20"/>
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<param name="sip-ip" value="192.168.1.20"/>
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<!-- this lets anything register -->
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<!-- comment the next line and uncomment one or both of the other 2 lines for call authentication -->
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<param name="accept-blind-reg" value="true"/>
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<!--<param name="auth-calls" value="true"/>-->
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<!-- on authed calls, authenticate *all* the packets not just invite --->
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<!--<param name="auth-all-packets" value="true"/>-->
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<!-- optional ; -->
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<!-- <param name="ext-rtp-ip" value="stun:stun.server.com"/>-->
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<!-- <param name="ext-rtp-ip" value="100.101.102.103"/> -->
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@ -102,6 +102,8 @@ typedef struct sip_alias_node sip_alias_node_t;
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typedef enum {
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PFLAG_AUTH_CALLS = (1 << 0),
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PFLAG_BLIND_REG = (1 << 1),
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PFLAG_AUTH_ALL = (1 << 2),
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} PFLAGS;
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typedef enum {
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@ -200,6 +202,7 @@ struct private_object {
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char *remote_sdp_str;
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char *local_sdp_str;
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char *dest;
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char *key;
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unsigned long rm_rate;
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switch_payload_t pt;
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switch_mutex_t *flag_mutex;
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@ -253,6 +256,8 @@ static void do_invite(switch_core_session_t *session);
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static uint8_t negotiate_sdp(switch_core_session_t *session, sdp_session_t *sdp);
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static char *get_auth_data(char *dbname, char *nonce, char *npassword, uint32_t len, switch_mutex_t *mutex);
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static void sip_i_state(int status,
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char const *phrase,
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nua_t *nua,
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@ -297,6 +302,108 @@ static switch_status_t config_sofia(int reload);
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/* BODY OF THE MODULE */
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/*************************************************************************************************************************************************************/
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typedef enum {
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AUTH_OK,
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AUTH_FORBIDDEN,
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AUTH_STALE,
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} auth_res_t;
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static auth_res_t parse_auth(sofia_profile_t *profile, sip_authorization_t const *authorization, char *regstr, char *np, uint32_t nplen)
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{
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int index;
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char *cur;
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su_md5_t ctx;
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char uridigest[2 * SU_MD5_DIGEST_SIZE + 1];
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char bigdigest[2 * SU_MD5_DIGEST_SIZE + 1];
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char *nonce, *uri, *qop, *cnonce, *nc, *response, *input = NULL, *input2 = NULL;
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auth_res_t ret = AUTH_OK;
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char *npassword = NULL;
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nonce = uri = qop = cnonce = nc = response = NULL;
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for(index = 0; (cur=(char*)authorization->au_params[index]); index++) {
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char *var, *val, *p, *work;
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var = val = work = NULL;
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if ((work = strdup(cur))) {
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var = work;
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if ((val = strchr(var, '='))) {
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*val++ = '\0';
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while(*val == '"') {
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*val++ = '\0';
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}
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if ((p = strchr(val, '"'))) {
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*p = '\0';
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}
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if (!strcasecmp(var, "nonce")) {
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nonce = strdup(val);
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} else if (!strcasecmp(var, "uri")) {
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uri = strdup(val);
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} else if (!strcasecmp(var, "qop")) {
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qop = strdup(val);
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} else if (!strcasecmp(var, "cnonce")) {
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cnonce = strdup(val);
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} else if (!strcasecmp(var, "response")) {
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response = strdup(val);
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} else if (!strcasecmp(var, "nc")) {
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nc = strdup(val);
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}
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}
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free(work);
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}
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}
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if (switch_strlen_zero(np)) {
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if (!get_auth_data(profile->dbname, nonce, np, nplen, profile->reg_mutex)) {
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ret = AUTH_STALE;
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goto end;
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}
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}
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npassword = np;
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if ((input = switch_core_db_mprintf("%s:%q", regstr, uri))) {
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su_md5_init(&ctx);
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su_md5_strupdate(&ctx, input);
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su_md5_hexdigest(&ctx, uridigest);
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su_md5_deinit(&ctx);
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}
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if ((input2 = switch_core_db_mprintf("%q:%q:%q:%q:%q:%q", npassword, nonce, nc, cnonce, qop, uridigest))) {
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memset(&ctx, 0, sizeof(ctx));
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su_md5_init(&ctx);
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su_md5_strupdate(&ctx, input2);
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su_md5_hexdigest(&ctx, bigdigest);
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su_md5_deinit(&ctx);
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if (!strcasecmp(bigdigest, response)) {
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ret = AUTH_OK;
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} else {
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ret = AUTH_FORBIDDEN;
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}
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}
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end:
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if (input) {
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switch_core_db_free(input);
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}
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if (input2) {
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switch_core_db_free(input2);
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}
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switch_safe_free(nonce);
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switch_safe_free(uri);
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switch_safe_free(qop);
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switch_safe_free(cnonce);
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switch_safe_free(nc);
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switch_safe_free(response);
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return ret;
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}
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static void execute_sql(char *dbname, char *sql, switch_mutex_t *mutex)
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{
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switch_core_db_t *db;
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@ -1391,7 +1498,7 @@ static uint8_t negotiate_sdp(switch_core_session_t *session, sdp_session_t *sdp)
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for (map = m->m_rtpmaps; map; map = map->rm_next) {
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int32_t i;
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if (!strcmp(map->rm_encoding, "telephone-event")) {
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if (!strcasecmp(map->rm_encoding, "telephone-event")) {
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tech_pvt->te = (switch_payload_t)map->rm_pt;
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}
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@ -1737,7 +1844,9 @@ static uint8_t handle_register(nua_t *nua,
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nua_handle_t *nh,
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switch_core_session_t *session,
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sip_t const *sip,
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sofia_regtype_t regtype)
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sofia_regtype_t regtype,
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char *key,
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uint32_t keylen)
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{
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sip_from_t const *from = sip->sip_from;
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sip_expires_t const *expires = sip->sip_expires;
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@ -1754,101 +1863,39 @@ static uint8_t handle_register(nua_t *nua,
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char *contact_host = (char *) contact->m_url->url_host;
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char buf[512];
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char *passwd = NULL;
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uint8_t ok = 0, stale = 0, ret = 0;
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long exptime = expires ? expires->ex_delta : 60;
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uint8_t stale = 0, ret = 0, forbidden = 0;
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auth_res_t auth_res;
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long exptime = 60;
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if (expires) {
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exptime = expires->ex_delta;
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} else if (contact->m_expires) {
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exptime = atol(contact->m_expires);
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}
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if (regtype == REG_REGISTER) {
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authorization = sip->sip_authorization;
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} else if (regtype == REG_INVITE) {
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authorization = sip->sip_proxy_authorization;
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}
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if ((profile->pflags & PFLAG_BLIND_REG)) {
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goto reg;
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}
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if (authorization) {
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int index;
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char *cur;
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char npassword[512] = "";
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char *nonce, *uri, *qop, *cnonce, *nc, *input, *response;
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nonce = uri = qop = cnonce = nc = response = NULL;
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for(index = 0; (cur=(char*)authorization->au_params[index]); index++) {
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char *var, *val, *p, *work;
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var = val = work = NULL;
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if ((work = strdup(cur))) {
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var = work;
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if ((val = strchr(var, '='))) {
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*val++ = '\0';
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while(*val == '"') {
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*val++ = '\0';
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}
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if ((p = strchr(val, '"'))) {
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*p = '\0';
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}
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auth_res = parse_auth(profile, authorization, (char *)sip->sip_request->rq_method_name, key, keylen);
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if (!strcasecmp(var, "nonce")) {
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nonce = strdup(val);
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} else if (!strcasecmp(var, "uri")) {
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uri = strdup(val);
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} else if (!strcasecmp(var, "qop")) {
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qop = strdup(val);
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} else if (!strcasecmp(var, "cnonce")) {
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cnonce = strdup(val);
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} else if (!strcasecmp(var, "response")) {
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response = strdup(val);
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} else if (!strcasecmp(var, "nc")) {
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nc = strdup(val);
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}
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}
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free(work);
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}
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}
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if (get_auth_data(profile->dbname, nonce, npassword, sizeof(npassword), profile->reg_mutex)) {
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su_md5_t ctx;
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char uridigest[2 * SU_MD5_DIGEST_SIZE + 1];
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char bigdigest[2 * SU_MD5_DIGEST_SIZE + 1];
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char *regstr;
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if (regtype == REG_REGISTER) {
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regstr = "REGISTER";
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} else if (regtype == REG_INVITE) {
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regstr = "INVITE";
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if (auth_res != AUTH_OK && auth_res != AUTH_STALE) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "send %s for [%s@%s]\n",
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forbidden ? "forbidden" : "challange",
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from_user, from_host);
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if (auth_res == AUTH_FORBIDDEN) {
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nua_respond(nh, SIP_403_FORBIDDEN, TAG_END());
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} else {
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regstr = "WTF";
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nua_respond(nh, SIP_401_UNAUTHORIZED, TAG_END());
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}
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input = switch_core_db_mprintf("%s:%q", regstr, uri);
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su_md5_init(&ctx);
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su_md5_strupdate(&ctx, input);
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su_md5_hexdigest(&ctx, uridigest);
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su_md5_deinit(&ctx);
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switch_core_db_free(input);
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input = switch_core_db_mprintf("%q:%q:%q:%q:%q:%q", npassword, nonce, nc, cnonce, qop, uridigest);
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memset(&ctx, 0, sizeof(ctx));
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su_md5_init(&ctx);
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su_md5_strupdate(&ctx, input);
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su_md5_hexdigest(&ctx, bigdigest);
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su_md5_deinit(&ctx);
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if (!strcasecmp(bigdigest, response)) {
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ok = 1;
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}
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switch_core_db_free(input);
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} else {
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stale = 1;
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}
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switch_safe_free(nonce);
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switch_safe_free(uri);
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switch_safe_free(qop);
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switch_safe_free(cnonce);
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switch_safe_free(nc);
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switch_safe_free(response);
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if (!ok && !stale) {
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nua_respond(nh, SIP_401_UNAUTHORIZED, TAG_END());
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return 1;
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}
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}
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@ -1905,6 +1952,7 @@ static uint8_t handle_register(nua_t *nua,
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switch_uuid_get(&uuid);
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switch_uuid_format(uuid_str, &uuid);
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sql = switch_core_db_mprintf("delete from sip_authentication where user='%q'and host='%q';\n"
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"insert into sip_authentication values('%q','%q','%q','%q', %ld)",
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from_user,
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@ -1915,11 +1963,12 @@ static uint8_t handle_register(nua_t *nua,
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uuid_str,
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time(NULL) + 60);
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auth_str = switch_core_db_mprintf("Digest realm=\"%q\", nonce=\"%q\",%s algorithm=MD5, qop=\"auth-int\"", from_host, uuid_str,
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auth_str = switch_core_db_mprintf("Digest realm=\"%q\", nonce=\"%q\",%s algorithm=MD5, qop=\"auth\"", from_host, uuid_str,
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stale ? " stale=\"true\"," : "");
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if (regtype == REG_REGISTER) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "invalid for [%s@%s]\n", from_user, from_host);
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nua_respond(nh, SIP_401_UNAUTHORIZED,
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SIPTAG_WWW_AUTHENTICATE_STR(auth_str),
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TAG_END());
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@ -1944,6 +1993,7 @@ static uint8_t handle_register(nua_t *nua,
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return ret;
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}
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}
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reg:
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if (!find_reg_url(profile, from_user, from_host, buf, sizeof(buf))) {
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sql = switch_core_db_mprintf("insert into sip_registrations values ('%q','%q','sip:%q@%q',%ld)",
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@ -2006,16 +2056,16 @@ static void sip_i_invite(nua_t *nua,
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tagi_t tags[])
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{
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char key[128] = "";
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if (!session) {
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if ((profile->pflags & PFLAG_AUTH_CALLS)) {
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if (handle_register(nua, profile, nh, session, sip, REG_INVITE)) {
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if (handle_register(nua, profile, nh, session, sip, REG_INVITE, key, sizeof(key))) {
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return;
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}
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}
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if ((session = switch_core_session_request(&sofia_endpoint_interface, NULL))) {
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private_object_t *tech_pvt = NULL;
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switch_channel_t *channel = NULL;
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@ -2031,6 +2081,10 @@ static void sip_i_invite(nua_t *nua,
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return;
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}
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if (!switch_strlen_zero(key)) {
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tech_pvt->key = switch_core_session_strdup(session, key);
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}
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displayname = switch_core_session_strdup(session, (char *) from->a_display);
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if (*displayname == '"') {
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char *p;
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@ -2077,7 +2131,7 @@ static void sip_i_register(nua_t *nua,
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sip_t const *sip,
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tagi_t tags[])
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{
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handle_register(nua, profile, nh, session, sip, REG_REGISTER);
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handle_register(nua, profile, nh, session, sip, REG_REGISTER, NULL, 0);
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}
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static void event_callback(nua_event_t event,
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@ -2090,14 +2144,43 @@ static void event_callback(nua_event_t event,
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sip_t const *sip,
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tagi_t tags[])
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{
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struct private_object *tech_pvt = NULL;
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auth_res_t auth_res = AUTH_FORBIDDEN;
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if (session) {
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if (switch_core_session_read_lock(session) != SWITCH_STATUS_SUCCESS) {
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/* too late */
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return;
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}
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tech_pvt = switch_core_session_get_private(session);
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}
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "event [%s] status [%d][%s] %s\n",
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nua_event_name (event), status, phrase,
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session ? switch_channel_get_name(switch_core_session_get_channel(session)) : "no session"
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);
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if ((profile->pflags & PFLAG_AUTH_ALL) && tech_pvt && tech_pvt->key && sip) {
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sip_authorization_t const *authorization = NULL;
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if (sip->sip_authorization) {
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authorization = sip->sip_authorization;
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} else if (sip->sip_proxy_authorization) {
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authorization = sip->sip_proxy_authorization;
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}
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if (authorization) {
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auth_res = parse_auth(profile, authorization, (char *)sip->sip_request->rq_method_name, tech_pvt->key, strlen(tech_pvt->key));
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}
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if (auth_res != AUTH_OK) {
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switch_channel_t *channel = switch_core_session_get_channel(tech_pvt->session);
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switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
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nua_respond(nh, SIP_401_UNAUTHORIZED, TAG_END());
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return;
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}
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}
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "channel [%s] event [%s] status [%d] [%s]\n",
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session ? switch_channel_get_name(switch_core_session_get_channel(session)) : "null",nua_event_name (event), status, phrase);
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switch (event) {
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case nua_r_shutdown:
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@ -2371,15 +2454,15 @@ static switch_status_t config_sofia(int reload)
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char *var = (char *) switch_xml_attr_soft(param, "name");
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char *val = (char *) switch_xml_attr_soft(param, "value");
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if (!strcmp(var, "debug")) {
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if (!strcasecmp(var, "debug")) {
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profile->debug = atoi(val);
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} else if (!strcmp(var, "use-rtp-timer") && switch_true(val)) {
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} else if (!strcasecmp(var, "use-rtp-timer") && switch_true(val)) {
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switch_set_flag(profile, TFLAG_TIMER);
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} else if (!strcmp(var, "rfc2833-pt")) {
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} else if (!strcasecmp(var, "rfc2833-pt")) {
|
||||
profile->te = (switch_payload_t) atoi(val);
|
||||
} else if (!strcmp(var, "sip-port")) {
|
||||
} else if (!strcasecmp(var, "sip-port")) {
|
||||
profile->sip_port = atoi(val);
|
||||
} else if (!strcmp(var, "vad")) {
|
||||
} else if (!strcasecmp(var, "vad")) {
|
||||
if (!strcasecmp(val, "in")) {
|
||||
switch_set_flag(profile, TFLAG_VAD_IN);
|
||||
} else if (!strcasecmp(val, "out")) {
|
||||
|
|
@ -2390,31 +2473,39 @@ static switch_status_t config_sofia(int reload)
|
|||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invald option %s for VAD\n", val);
|
||||
}
|
||||
} else if (!strcmp(var, "ext-rtp-ip")) {
|
||||
} else if (!strcasecmp(var, "ext-rtp-ip")) {
|
||||
profile->extrtpip = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "rtp-ip")) {
|
||||
} else if (!strcasecmp(var, "rtp-ip")) {
|
||||
profile->rtpip = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "sip-ip")) {
|
||||
} else if (!strcasecmp(var, "sip-ip")) {
|
||||
profile->sipip = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "sip-domain")) {
|
||||
} else if (!strcasecmp(var, "sip-domain")) {
|
||||
profile->sipdomain = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "rtp-timer-name")) {
|
||||
} else if (!strcasecmp(var, "rtp-timer-name")) {
|
||||
profile->timer_name = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "auth-calls")) {
|
||||
} else if (!strcasecmp(var, "auth-calls")) {
|
||||
if (switch_true(val)) {
|
||||
profile->pflags |= PFLAG_AUTH_CALLS;
|
||||
}
|
||||
} else if (!strcmp(var, "ext-sip-ip")) {
|
||||
} 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, "ext-sip-ip")) {
|
||||
profile->extsipip = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "bitpacking")) {
|
||||
} else if (!strcasecmp(var, "bitpacking")) {
|
||||
if (!strcasecmp(val, "aal2")) {
|
||||
profile->codec_flags = SWITCH_CODEC_FLAG_AAL2;
|
||||
}
|
||||
} else if (!strcmp(var, "username")) {
|
||||
} else if (!strcasecmp(var, "username")) {
|
||||
profile->username = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "context")) {
|
||||
} else if (!strcasecmp(var, "context")) {
|
||||
profile->context = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "alias")) {
|
||||
} 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))) {
|
||||
|
|
@ -2422,16 +2513,16 @@ static switch_status_t config_sofia(int reload)
|
|||
profile->aliases = node;
|
||||
}
|
||||
}
|
||||
} else if (!strcmp(var, "dialplan")) {
|
||||
} else if (!strcasecmp(var, "dialplan")) {
|
||||
profile->dialplan = switch_core_strdup(profile->pool, val);
|
||||
} else if (!strcmp(var, "max-calls")) {
|
||||
} else if (!strcasecmp(var, "max-calls")) {
|
||||
profile->max_calls = atoi(val);
|
||||
} else if (!strcmp(var, "codec-prefs")) {
|
||||
} 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 (!strcmp(var, "codec-ms")) {
|
||||
} else if (!strcasecmp(var, "codec-ms")) {
|
||||
profile->codec_ms = atoi(val);
|
||||
} else if (!strcmp(var, "dtmf-duration")) {
|
||||
} else if (!strcasecmp(var, "dtmf-duration")) {
|
||||
int dur = atoi(val);
|
||||
if (dur > 10 && dur < 8000) {
|
||||
profile->dtmf_duration = dur;
|
||||
|
|
@ -2486,7 +2577,7 @@ static void event_handler(switch_event_t *event)
|
|||
{
|
||||
char *subclass, *sql;
|
||||
|
||||
if ((subclass = switch_event_get_header(event, "orig-event-subclass")) && !strcmp(subclass, MY_EVENT_REGISTER)) {
|
||||
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_user = switch_event_get_header(event, "orig-contact-user");
|
||||
|
|
|
|||
Loading…
Reference in New Issue