#include "upnp.h"
#include "private.h"
+#include "lpconfig.h"
+#include <ctype.h>
+
+#define UPNP_STRINGIFY(x) #x
+#define UPNP_TOSTRING(x) UPNP_STRINGIFY(x)
+
+#define UPNP_ADD_MAX_RETRY 4
+#define UPNP_REMOVE_MAX_RETRY 4
+#define UPNP_SECTION_NAME "uPnP"
+#define UPNP_CORE_READY_CHECK 1
+#define UPNP_CORE_RETRY_DELAY 10
+#define UPNP_CALL_RETRY_DELAY 3
+#define UPNP_UUID_LEN 128
+#define UPNP_UUID_LEN_STR UPNP_TOSTRING(UPNP_UUID_LEN)
+/*
+ * uPnP Definitions
+ */
+
+typedef struct _UpnpPortBinding {
+ ms_mutex_t mutex;
+ LinphoneUpnpState state;
+ upnp_igd_ip_protocol protocol;
+ char *device_id;
+ char local_addr[LINPHONE_IPADDR_SIZE];
+ int local_port;
+ char external_addr[LINPHONE_IPADDR_SIZE];
+ int external_port;
+ int retry;
+ int ref;
+ bool_t to_remove;
+ bool_t to_add;
+ time_t last_update;
+} UpnpPortBinding;
+
+typedef struct _UpnpStream {
+ UpnpPortBinding *rtp;
+ UpnpPortBinding *rtcp;
+ LinphoneUpnpState state;
+} UpnpStream;
+
+struct _UpnpSession {
+ LinphoneCall *call;
+ UpnpStream *audio;
+ UpnpStream *video;
+ LinphoneUpnpState state;
+};
+
+struct _UpnpContext {
+ LinphoneCore *lc;
+ upnp_igd_context *upnp_igd_ctxt;
+ UpnpPortBinding *sip_tcp;
+ UpnpPortBinding *sip_tls;
+ UpnpPortBinding *sip_udp;
+ LinphoneUpnpState state;
+ MSList *removing_configs;
+ MSList *adding_configs;
+ MSList *pending_bindings;
+
+ ms_mutex_t mutex;
+ ms_cond_t empty_cond;
+
+ time_t last_ready_check;
+ LinphoneUpnpState last_ready_state;
+};
+
+
+bool_t linphone_core_upnp_hook(void *data);
+void linphone_core_upnp_refresh(UpnpContext *ctx);
+
+UpnpPortBinding *linphone_upnp_port_binding_new();
+UpnpPortBinding *linphone_upnp_port_binding_new_with_parameters(upnp_igd_ip_protocol protocol, int local_port, int external_port);
+UpnpPortBinding *linphone_upnp_port_binding_new_or_collect(MSList *list, upnp_igd_ip_protocol protocol, int local_port, int external_port);
+UpnpPortBinding *linphone_upnp_port_binding_copy(const UpnpPortBinding *port);
+void linphone_upnp_port_binding_set_device_id(UpnpPortBinding *port, const char * device_id);
+bool_t linphone_upnp_port_binding_equal(const UpnpPortBinding *port1, const UpnpPortBinding *port2);
+UpnpPortBinding *linphone_upnp_port_binding_equivalent_in_list(MSList *list, const UpnpPortBinding *port);
+UpnpPortBinding *linphone_upnp_port_binding_retain(UpnpPortBinding *port);
+void linphone_upnp_update_port_binding(UpnpContext *lupnp, UpnpPortBinding **port_mapping, upnp_igd_ip_protocol protocol, int port, int retry_delay);
+void linphone_upnp_port_binding_log(int level, const char *msg, const UpnpPortBinding *port);
+void linphone_upnp_port_binding_release(UpnpPortBinding *port);
+void linphone_upnp_update_config(UpnpContext *lupnp);
+void linphone_upnp_update_proxy(UpnpContext *lupnp, bool_t force);
+
+// Configuration
+MSList *linphone_upnp_config_list_port_bindings(struct _LpConfig *lpc, const char *device_id);
+void linphone_upnp_config_add_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port);
+void linphone_upnp_config_remove_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port);
+
+// uPnP
+int linphone_upnp_context_send_remove_port_binding(UpnpContext *lupnp, UpnpPortBinding *port, bool_t retry);
+int linphone_upnp_context_send_add_port_binding(UpnpContext *lupnp, UpnpPortBinding *port, bool_t retry);
+
+static int linphone_upnp_strncmpi(const char *str1, const char *str2, int len) {
+ int i = 0;
+ char char1, char2;
+ while(i < len) {
+ char1 = toupper(*str1);
+ char2 = toupper(*str2);
+ if(char1 == '\0' || char1 != char2) {
+ return char1 - char2;
+ }
+ str1++;
+ str2++;
+ i++;
+ }
+ return 0;
+}
+
+static int linphone_upnp_str_min(const char *str1, const char *str2) {
+ int len1 = strlen(str1);
+ int len2 = strlen(str2);
+ if(len1 > len2) {
+ return len2;
+ }
+ return len1;
+}
+
+char * linphone_upnp_format_device_id(const char *device_id) {
+ char *ret = NULL;
+ char *tmp;
+ char tchar;
+ bool_t copy;
+ if(device_id == NULL) {
+ return ret;
+ }
+ ret = ms_new(char, UPNP_UUID_LEN + 1);
+ tmp = ret;
+ if(linphone_upnp_strncmpi(device_id, "uuid:", linphone_upnp_str_min(device_id, "uuid:")) == 0) {
+ device_id += strlen("uuid:");
+ }
+ while(*device_id != '\0' && tmp - ret < UPNP_UUID_LEN) {
+ copy = FALSE;
+ tchar = *device_id;
+ if(tchar >= '0' && tchar <= '9')
+ copy = TRUE;
+ if(!copy && tchar >= 'A' && tchar <= 'Z')
+ copy = TRUE;
+ if(!copy && tchar >= 'a' && tchar <= 'z')
+ copy = TRUE;
+ if(copy) {
+ *tmp = *device_id;
+ tmp++;
+ }
+ device_id++;
+ }
+ *tmp = '\0';
+ return ret;
+}
+
+/**
+ * uPnP Callbacks
+ */
/* Convert uPnP IGD logs to ortp logs */
void linphone_upnp_igd_print(void *cookie, upnp_igd_print_level level, const char *fmt, va_list list) {
ortp_level = ORTP_MESSAGE;
break;
case UPNP_IGD_WARNING:
- ortp_level = ORTP_WARNING;
+ ortp_level = ORTP_DEBUG; // Too verbose otherwise
break;
case UPNP_IGD_ERROR:
- ortp_level = ORTP_ERROR;
+ ortp_level = ORTP_DEBUG; // Too verbose otherwise
break;
default:
break;
}
void linphone_upnp_igd_callback(void *cookie, upnp_igd_event event, void *arg) {
- LinphoneCore *lc = (LinphoneCore *)cookie;
- UpnpContext *lupnp = &lc->upnp;
+ UpnpContext *lupnp = (UpnpContext *)cookie;
+ upnp_igd_port_mapping *mapping = NULL;
+ UpnpPortBinding *port_mapping = NULL;
+ const char *ip_address = NULL;
+ const char *connection_status = NULL;
+ bool_t nat_enabled = FALSE;
+ LinphoneUpnpState old_state;
+
+ if(lupnp == NULL || lupnp->upnp_igd_ctxt == NULL) {
+ ms_error("uPnP IGD: Invalid context in callback");
+ return;
+ }
+
+ ms_mutex_lock(&lupnp->mutex);
+ old_state = lupnp->state;
+
switch(event) {
+ case UPNP_IGD_DEVICE_ADDED:
+ case UPNP_IGD_DEVICE_REMOVED:
case UPNP_IGD_EXTERNAL_IPADDRESS_CHANGED:
case UPNP_IGD_NAT_ENABLED_CHANGED:
case UPNP_IGD_CONNECTION_STATUS_CHANGED:
+ ip_address = upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt);
+ connection_status = upnp_igd_get_connection_status(lupnp->upnp_igd_ctxt);
+ nat_enabled = upnp_igd_get_nat_enabled(lupnp->upnp_igd_ctxt);
+
+ if(ip_address == NULL || connection_status == NULL) {
+ ms_message("uPnP IGD: Pending");
+ lupnp->state = LinphoneUpnpStatePending;
+ } else if(strcasecmp(connection_status, "Connected") || !nat_enabled) {
+ ms_message("uPnP IGD: Not Available");
+ lupnp->state = LinphoneUpnpStateNotAvailable;
+ } else {
+ ms_message("uPnP IGD: Connected");
+ lupnp->state = LinphoneUpnpStateOk;
+ if(old_state != LinphoneUpnpStateOk) {
+ linphone_core_upnp_refresh(lupnp);
+ }
+ }
+
+ break;
+
+ case UPNP_IGD_PORT_MAPPING_ADD_SUCCESS:
+ mapping = (upnp_igd_port_mapping *) arg;
+ port_mapping = (UpnpPortBinding*) mapping->cookie;
+ port_mapping->external_port = mapping->remote_port;
+ port_mapping->state = LinphoneUpnpStateOk;
+ linphone_upnp_port_binding_log(ORTP_MESSAGE, "Added port binding", port_mapping);
+ linphone_upnp_config_add_port_binding(lupnp, port_mapping);
+
+ break;
+
+ case UPNP_IGD_PORT_MAPPING_ADD_FAILURE:
+ mapping = (upnp_igd_port_mapping *) arg;
+ port_mapping = (UpnpPortBinding*) mapping->cookie;
+ port_mapping->external_port = -1; //Force random external port
+ if(linphone_upnp_context_send_add_port_binding(lupnp, port_mapping, TRUE) != 0) {
+ linphone_upnp_port_binding_log(ORTP_ERROR, "Can't add port binding", port_mapping);
+ }
+
+ break;
+
+ case UPNP_IGD_PORT_MAPPING_REMOVE_SUCCESS:
+ mapping = (upnp_igd_port_mapping *) arg;
+ port_mapping = (UpnpPortBinding*) mapping->cookie;
+ port_mapping->state = LinphoneUpnpStateIdle;
+ linphone_upnp_port_binding_log(ORTP_MESSAGE, "Removed port binding", port_mapping);
+ linphone_upnp_config_remove_port_binding(lupnp, port_mapping);
+
+ break;
+
+ case UPNP_IGD_PORT_MAPPING_REMOVE_FAILURE:
+ mapping = (upnp_igd_port_mapping *) arg;
+ port_mapping = (UpnpPortBinding*) mapping->cookie;
+ if(linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping, TRUE) != 0) {
+ linphone_upnp_port_binding_log(ORTP_ERROR, "Can't remove port binding", port_mapping);
+ linphone_upnp_config_remove_port_binding(lupnp, port_mapping);
+ }
+
break;
default:
break;
}
+
+ if(port_mapping != NULL) {
+ /*
+ * Execute delayed actions
+ */
+ if(port_mapping->to_remove) {
+ if(port_mapping->state == LinphoneUpnpStateOk) {
+ port_mapping->to_remove = FALSE;
+ linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping, FALSE);
+ } else if(port_mapping->state == LinphoneUpnpStateKo) {
+ port_mapping->to_remove = FALSE;
+ }
+ }
+ if(port_mapping->to_add) {
+ if(port_mapping->state == LinphoneUpnpStateIdle || port_mapping->state == LinphoneUpnpStateKo) {
+ port_mapping->to_add = FALSE;
+ linphone_upnp_context_send_add_port_binding(lupnp, port_mapping, FALSE);
+ }
+ }
+
+ lupnp->pending_bindings = ms_list_remove(lupnp->pending_bindings, port_mapping);
+ linphone_upnp_port_binding_release(port_mapping);
+ }
+
+ /*
+ * If there is no pending binding emit a signal
+ */
+ if(lupnp->pending_bindings == NULL) {
+ ms_cond_signal(&lupnp->empty_cond);
+ }
+ ms_mutex_unlock(&lupnp->mutex);
}
-int upnp_context_init(LinphoneCore *lc) {
- UpnpContext *lupnp = &lc->upnp;
+
+/**
+ * uPnP Context
+ */
+
+UpnpContext* linphone_upnp_context_new(LinphoneCore *lc) {
+ UpnpContext *lupnp = (UpnpContext *)ms_new0(UpnpContext,1);
+
+ ms_mutex_init(&lupnp->mutex, NULL);
+ ms_cond_init(&lupnp->empty_cond, NULL);
+
+ lupnp->last_ready_check = 0;
+ lupnp->last_ready_state = LinphoneUpnpStateIdle;
+
+ lupnp->lc = lc;
+ lupnp->pending_bindings = NULL;
+ lupnp->adding_configs = NULL;
+ lupnp->removing_configs = NULL;
+ lupnp->state = LinphoneUpnpStateIdle;
+ ms_message("uPnP IGD: New %p for core %p", lupnp, lc);
+
+ // Init ports
+ lupnp->sip_udp = NULL;
+ lupnp->sip_tcp = NULL;
+ lupnp->sip_tls = NULL;
+
+ linphone_core_add_iterate_hook(lc, linphone_core_upnp_hook, lupnp);
+
lupnp->upnp_igd_ctxt = NULL;
- lupnp->upnp_igd_ctxt = upnp_igd_create(linphone_upnp_igd_callback, linphone_upnp_igd_print, lc);
+ lupnp->upnp_igd_ctxt = upnp_igd_create(linphone_upnp_igd_callback, linphone_upnp_igd_print, NULL, lupnp);
if(lupnp->upnp_igd_ctxt == NULL) {
+ lupnp->state = LinphoneUpnpStateKo;
ms_error("Can't create uPnP IGD context");
- return -1;
+ return NULL;
}
- return 0;
+
+ lupnp->state = LinphoneUpnpStatePending;
+ upnp_igd_start(lupnp->upnp_igd_ctxt);
+
+ return lupnp;
}
-void upnp_context_uninit(LinphoneCore *lc) {
- UpnpContext *lupnp = &lc->upnp;
+void linphone_upnp_context_destroy(UpnpContext *lupnp) {
+ linphone_core_remove_iterate_hook(lupnp->lc, linphone_core_upnp_hook, lupnp);
+
+ ms_mutex_lock(&lupnp->mutex);
+
+ if(lupnp->lc->network_reachable) {
+ /* Send port binding removes */
+ if(lupnp->sip_udp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_udp, TRUE);
+ }
+ if(lupnp->sip_tcp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_tcp, TRUE);
+ }
+ if(lupnp->sip_tls != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_tls, TRUE);
+ }
+ }
+
+ /* Wait all pending bindings are done */
+ if(lupnp->pending_bindings != NULL) {
+ ms_message("uPnP IGD: Wait all pending port bindings ...");
+ ms_cond_wait(&lupnp->empty_cond, &lupnp->mutex);
+ }
+ ms_mutex_unlock(&lupnp->mutex);
+
if(lupnp->upnp_igd_ctxt != NULL) {
upnp_igd_destroy(lupnp->upnp_igd_ctxt);
+ lupnp->upnp_igd_ctxt = NULL;
}
+
+ /* No more multi threading here */
+
+ /* Run one more time configuration update and proxy */
+ linphone_upnp_update_config(lupnp);
+ linphone_upnp_update_proxy(lupnp, TRUE);
+
+ /* Release port bindings */
+ if(lupnp->sip_udp != NULL) {
+ linphone_upnp_port_binding_release(lupnp->sip_udp);
+ lupnp->sip_udp = NULL;
+ }
+ if(lupnp->sip_tcp != NULL) {
+ linphone_upnp_port_binding_release(lupnp->sip_tcp);
+ lupnp->sip_tcp = NULL;
+ }
+ if(lupnp->sip_tls != NULL) {
+ linphone_upnp_port_binding_release(lupnp->sip_tls);
+ lupnp->sip_tcp = NULL;
+ }
+
+ /* Release lists */
+ ms_list_for_each(lupnp->adding_configs,(void (*)(void*))linphone_upnp_port_binding_release);
+ lupnp->adding_configs = ms_list_free(lupnp->adding_configs);
+ ms_list_for_each(lupnp->removing_configs,(void (*)(void*))linphone_upnp_port_binding_release);
+ lupnp->removing_configs = ms_list_free(lupnp->removing_configs);
+ ms_list_for_each(lupnp->pending_bindings,(void (*)(void*))linphone_upnp_port_binding_release);
+ lupnp->pending_bindings = ms_list_free(lupnp->pending_bindings);
+
+ ms_mutex_destroy(&lupnp->mutex);
+ ms_cond_destroy(&lupnp->empty_cond);
+
+ ms_message("uPnP IGD: destroy %p", lupnp);
+ ms_free(lupnp);
+}
+
+LinphoneUpnpState linphone_upnp_context_get_state(UpnpContext *lupnp) {
+ LinphoneUpnpState state = LinphoneUpnpStateKo;
+ if(lupnp != NULL) {
+ ms_mutex_lock(&lupnp->mutex);
+ state = lupnp->state;
+ ms_mutex_unlock(&lupnp->mutex);
+ }
+ return state;
+}
+
+bool_t _linphone_upnp_context_is_ready_for_register(UpnpContext *lupnp) {
+ bool_t ready = TRUE;
+
+ // 1 Check global uPnP state
+ ready = (lupnp->state == LinphoneUpnpStateOk);
+
+ // 2 Check external ip address
+ if(ready) {
+ if (upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt) == NULL) {
+ ready = FALSE;
+ }
+ }
+
+ // 3 Check sip ports bindings
+ if(ready) {
+ if(lupnp->sip_udp != NULL) {
+ if(lupnp->sip_udp->state != LinphoneUpnpStateOk) {
+ ready = FALSE;
+ }
+ } else if(lupnp->sip_tcp != NULL) {
+ if(lupnp->sip_tcp->state != LinphoneUpnpStateOk) {
+ ready = FALSE;
+ }
+ } else if(lupnp->sip_tls != NULL) {
+ if(lupnp->sip_tls->state != LinphoneUpnpStateOk) {
+ ready = FALSE;
+ }
+ } else {
+ ready = FALSE;
+ }
+ }
+
+ return ready;
+}
+
+bool_t linphone_upnp_context_is_ready_for_register(UpnpContext *lupnp) {
+ bool_t ready = FALSE;
+ if(lupnp != NULL) {
+ ms_mutex_lock(&lupnp->mutex);
+ ready = _linphone_upnp_context_is_ready_for_register(lupnp);
+ ms_mutex_unlock(&lupnp->mutex);
+ }
+ return ready;
+}
+
+int linphone_upnp_context_get_external_port(UpnpContext *lupnp) {
+ int port = -1;
+ if(lupnp != NULL) {
+ ms_mutex_lock(&lupnp->mutex);
+
+ if(lupnp->sip_udp != NULL) {
+ if(lupnp->sip_udp->state == LinphoneUpnpStateOk) {
+ port = lupnp->sip_udp->external_port;
+ }
+ } else if(lupnp->sip_tcp != NULL) {
+ if(lupnp->sip_tcp->state == LinphoneUpnpStateOk) {
+ port = lupnp->sip_tcp->external_port;
+ }
+ } else if(lupnp->sip_tls != NULL) {
+ if(lupnp->sip_tls->state == LinphoneUpnpStateOk) {
+ port = lupnp->sip_tls->external_port;
+ }
+ }
+
+ ms_mutex_unlock(&lupnp->mutex);
+ }
+ return port;
+}
+
+void linphone_upnp_refresh(UpnpContext * lupnp) {
+ upnp_igd_refresh(lupnp->upnp_igd_ctxt);
+}
+
+const char* linphone_upnp_context_get_external_ipaddress(UpnpContext *lupnp) {
+ const char* addr = NULL;
+ if(lupnp != NULL) {
+ ms_mutex_lock(&lupnp->mutex);
+ addr = upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt);
+ ms_mutex_unlock(&lupnp->mutex);
+ }
+ return addr;
+}
+
+int linphone_upnp_context_send_add_port_binding(UpnpContext *lupnp, UpnpPortBinding *port, bool_t retry) {
+ upnp_igd_port_mapping mapping;
+ char description[128];
+ int ret;
+
+ if(lupnp->state != LinphoneUpnpStateOk) {
+ return -2;
+ }
+
+ // Compute port binding state
+ if(port->state != LinphoneUpnpStateAdding) {
+ port->to_remove = FALSE;
+ switch(port->state) {
+ case LinphoneUpnpStateKo:
+ case LinphoneUpnpStateIdle: {
+ port->retry = 0;
+ port->state = LinphoneUpnpStateAdding;
+ }
+ break;
+ case LinphoneUpnpStateRemoving: {
+ port->to_add = TRUE;
+ return 0;
+ }
+ break;
+ default:
+ return 0;
+ }
+ }
+
+ // No retry if specified
+ if(port->retry != 0 && !retry) {
+ return -1;
+ }
+
+ if(port->retry >= UPNP_ADD_MAX_RETRY) {
+ ret = -1;
+ } else {
+ linphone_upnp_port_binding_set_device_id(port, upnp_igd_get_device_id(lupnp->upnp_igd_ctxt));
+ mapping.cookie = linphone_upnp_port_binding_retain(port);
+ lupnp->pending_bindings = ms_list_append(lupnp->pending_bindings, mapping.cookie);
+
+ mapping.local_port = port->local_port;
+ mapping.local_host = port->local_addr;
+ if(port->external_port == -1)
+ port->external_port = rand()%(0xffff - 1024) + 1024;
+ mapping.remote_port = port->external_port;
+ mapping.remote_host = "";
+ snprintf(description, 128, "%s %s at %s:%d",
+ PACKAGE_NAME,
+ (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP": "UDP",
+ port->local_addr, port->local_port);
+ mapping.description = description;
+ mapping.protocol = port->protocol;
+
+ port->retry++;
+ linphone_upnp_port_binding_log(ORTP_MESSAGE, "Try to add port binding", port);
+ ret = upnp_igd_add_port_mapping(lupnp->upnp_igd_ctxt, &mapping);
+ }
+ if(ret != 0) {
+ port->state = LinphoneUpnpStateKo;
+ }
+ return ret;
+}
+
+int linphone_upnp_context_send_remove_port_binding(UpnpContext *lupnp, UpnpPortBinding *port, bool_t retry) {
+ upnp_igd_port_mapping mapping;
+ int ret;
+
+ if(lupnp->state != LinphoneUpnpStateOk) {
+ return -2;
+ }
+
+ // Compute port binding state
+ if(port->state != LinphoneUpnpStateRemoving) {
+ port->to_add = FALSE;
+ switch(port->state) {
+ case LinphoneUpnpStateOk: {
+ port->retry = 0;
+ port->state = LinphoneUpnpStateRemoving;
+ }
+ break;
+ case LinphoneUpnpStateAdding: {
+ port->to_remove = TRUE;
+ return 0;
+ }
+ break;
+ default:
+ return 0;
+ }
+ }
+
+ // No retry if specified
+ if(port->retry != 0 && !retry) {
+ return 1;
+ }
+
+ if(port->retry >= UPNP_REMOVE_MAX_RETRY) {
+ ret = -1;
+ } else {
+ linphone_upnp_port_binding_set_device_id(port, upnp_igd_get_device_id(lupnp->upnp_igd_ctxt));
+ mapping.cookie = linphone_upnp_port_binding_retain(port);
+ lupnp->pending_bindings = ms_list_append(lupnp->pending_bindings, mapping.cookie);
+
+ mapping.remote_port = port->external_port;
+ mapping.remote_host = "";
+ mapping.protocol = port->protocol;
+ port->retry++;
+ linphone_upnp_port_binding_log(ORTP_MESSAGE, "Try to remove port binding", port);
+ ret = upnp_igd_delete_port_mapping(lupnp->upnp_igd_ctxt, &mapping);
+ }
+ if(ret != 0) {
+ port->state = LinphoneUpnpStateKo;
+ }
+ return ret;
+}
+
+/*
+ * uPnP Core interfaces
+ */
+
+int linphone_core_update_upnp_audio_video(LinphoneCall *call, bool_t audio, bool_t video) {
+ LinphoneCore *lc = call->core;
+ UpnpContext *lupnp = lc->upnp;
+ int ret = -1;
+
+ if(lupnp == NULL) {
+ return ret;
+ }
+
+ ms_mutex_lock(&lupnp->mutex);
+
+ // Don't handle when the call
+ if(lupnp->state == LinphoneUpnpStateOk && call->upnp_session != NULL) {
+ ret = 0;
+
+ /*
+ * Audio part
+ */
+ linphone_upnp_update_port_binding(lupnp, &call->upnp_session->audio->rtp,
+ UPNP_IGD_IP_PROTOCOL_UDP, (audio)? call->audio_port:0, UPNP_CALL_RETRY_DELAY);
+
+ linphone_upnp_update_port_binding(lupnp, &call->upnp_session->audio->rtcp,
+ UPNP_IGD_IP_PROTOCOL_UDP, (audio)? call->audio_port+1:0, UPNP_CALL_RETRY_DELAY);
+
+ /*
+ * Video part
+ */
+ linphone_upnp_update_port_binding(lupnp, &call->upnp_session->video->rtp,
+ UPNP_IGD_IP_PROTOCOL_UDP, (video)? call->video_port:0, UPNP_CALL_RETRY_DELAY);
+
+ linphone_upnp_update_port_binding(lupnp, &call->upnp_session->video->rtcp,
+ UPNP_IGD_IP_PROTOCOL_UDP, (video)? call->video_port+1:0, UPNP_CALL_RETRY_DELAY);
+ }
+
+ ms_mutex_unlock(&lupnp->mutex);
+
+ /*
+ * Update uPnP call state
+ */
+ linphone_upnp_call_process(call);
+
+ return ret;
+}
+
+
+
+int linphone_core_update_upnp_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md) {
+ bool_t audio = FALSE;
+ bool_t video = FALSE;
+ int i;
+ const SalStreamDescription *stream;
+
+ for (i = 0; i < md->n_total_streams; i++) {
+ stream = &md->streams[i];
+ if(stream->type == SalAudio) {
+ audio = TRUE;
+ } else if(stream->type == SalVideo) {
+ video = TRUE;
+ }
+ }
+
+ return linphone_core_update_upnp_audio_video(call, audio, video);
}
-UpnpSession* upnp_session_new() {
+int linphone_core_update_upnp(LinphoneCore *lc, LinphoneCall *call) {
+ return linphone_core_update_upnp_audio_video(call, call->audiostream!=NULL, call->videostream!=NULL);
+}
+
+void linphone_core_update_upnp_state_in_call_stats(LinphoneCall *call) {
+ call->stats[LINPHONE_CALL_STATS_AUDIO].upnp_state = call->upnp_session->audio->state;
+ call->stats[LINPHONE_CALL_STATS_VIDEO].upnp_state = call->upnp_session->video->state;
+}
+
+void linphone_upnp_update_stream_state(UpnpStream *stream) {
+ if((stream->rtp == NULL || stream->rtp->state == LinphoneUpnpStateOk || stream->rtp->state == LinphoneUpnpStateIdle) &&
+ (stream->rtcp == NULL || stream->rtcp->state == LinphoneUpnpStateOk || stream->rtcp->state == LinphoneUpnpStateIdle)) {
+ stream->state = LinphoneUpnpStateOk;
+ } else if((stream->rtp != NULL &&
+ (stream->rtp->state == LinphoneUpnpStateAdding || stream->rtp->state == LinphoneUpnpStateRemoving)) ||
+ (stream->rtcp != NULL &&
+ (stream->rtcp->state == LinphoneUpnpStateAdding || stream->rtcp->state == LinphoneUpnpStateRemoving))) {
+ stream->state = LinphoneUpnpStatePending;
+ } else if((stream->rtp != NULL && stream->rtp->state == LinphoneUpnpStateKo) ||
+ (stream->rtcp != NULL && stream->rtcp->state == LinphoneUpnpStateKo)) {
+ stream->state = LinphoneUpnpStateKo;
+ } else {
+ ms_error("Invalid stream %p state", stream);
+ }
+}
+
+int linphone_upnp_call_process(LinphoneCall *call) {
+ LinphoneCore *lc = call->core;
+ UpnpContext *lupnp = lc->upnp;
+ int ret = -1;
+ LinphoneUpnpState oldState = 0, newState = 0;
+
+ if(lupnp == NULL) {
+ return ret;
+ }
+
+ ms_mutex_lock(&lupnp->mutex);
+
+ // Don't handle when the call
+ if(lupnp->state == LinphoneUpnpStateOk && call->upnp_session != NULL) {
+ ret = 0;
+
+ /*
+ * Update Audio state
+ */
+ linphone_upnp_update_stream_state(call->upnp_session->audio);
+
+ /*
+ * Update Video state
+ */
+ linphone_upnp_update_stream_state(call->upnp_session->video);
+
+ /*
+ * Update stat
+ */
+ linphone_core_update_upnp_state_in_call_stats(call);
+
+ /*
+ * Update session state
+ */
+ oldState = call->upnp_session->state;
+ if(call->upnp_session->audio->state == LinphoneUpnpStateOk &&
+ call->upnp_session->video->state == LinphoneUpnpStateOk) {
+ call->upnp_session->state = LinphoneUpnpStateOk;
+ } else if(call->upnp_session->audio->state == LinphoneUpnpStatePending ||
+ call->upnp_session->video->state == LinphoneUpnpStatePending) {
+ call->upnp_session->state = LinphoneUpnpStatePending;
+ } else if(call->upnp_session->audio->state == LinphoneUpnpStateKo ||
+ call->upnp_session->video->state == LinphoneUpnpStateKo) {
+ call->upnp_session->state = LinphoneUpnpStateKo;
+ } else {
+ call->upnp_session->state = LinphoneUpnpStateIdle;
+ }
+ newState = call->upnp_session->state;
+ }
+
+ ms_mutex_unlock(&lupnp->mutex);
+
+ /* When change is done proceed update */
+ if(oldState != LinphoneUpnpStateOk && oldState != LinphoneUpnpStateKo &&
+ (newState == LinphoneUpnpStateOk || newState == LinphoneUpnpStateKo)) {
+ if(call->upnp_session->state == LinphoneUpnpStateOk)
+ ms_message("uPnP IGD: uPnP for Call %p is ok", call);
+ else
+ ms_message("uPnP IGD: uPnP for Call %p is ko", call);
+
+ switch (call->state) {
+ case LinphoneCallUpdating:
+ linphone_core_start_update_call(lc, call);
+ break;
+ case LinphoneCallUpdatedByRemote:
+ linphone_core_start_accept_call_update(lc, call);
+ break;
+ case LinphoneCallOutgoingInit:
+ linphone_core_proceed_with_invite_if_ready(lc, call, NULL);
+ break;
+ case LinphoneCallIdle:
+ linphone_core_notify_incoming_call(lc, call);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return ret;
+}
+
+void linphone_core_upnp_refresh(UpnpContext *lupnp) {
+ MSList *global_list = NULL;
+ MSList *list = NULL;
+ MSList *item;
+ LinphoneCall *call;
+ UpnpPortBinding *port_mapping, *port_mapping2;
+
+ ms_message("uPnP IGD: Refresh mappings");
+
+ if(lupnp->sip_udp != NULL) {
+ global_list = ms_list_append(global_list, lupnp->sip_udp);
+ }
+ if(lupnp->sip_tcp != NULL) {
+ global_list = ms_list_append(global_list, lupnp->sip_tcp);
+ }
+ if(lupnp->sip_tls != NULL) {
+ global_list = ms_list_append(global_list, lupnp->sip_tls);
+ }
+
+ list = lupnp->lc->calls;
+ while(list != NULL) {
+ call = (LinphoneCall *)list->data;
+ if(call->upnp_session != NULL) {
+ if(call->upnp_session->audio->rtp != NULL) {
+ global_list = ms_list_append(global_list, call->upnp_session->audio->rtp);
+ }
+ if(call->upnp_session->audio->rtcp != NULL) {
+ global_list = ms_list_append(global_list, call->upnp_session->audio->rtcp);
+ }
+ if(call->upnp_session->video->rtp != NULL) {
+ global_list = ms_list_append(global_list, call->upnp_session->video->rtp);
+ }
+ if(call->upnp_session->video->rtcp != NULL) {
+ global_list = ms_list_append(global_list, call->upnp_session->video->rtcp);
+ }
+ }
+ list = list->next;
+ }
+
+ list = linphone_upnp_config_list_port_bindings(lupnp->lc->config, upnp_igd_get_device_id(lupnp->upnp_igd_ctxt));
+ for(item = list;item != NULL; item = item->next) {
+ port_mapping = (UpnpPortBinding *)item->data;
+ port_mapping2 = linphone_upnp_port_binding_equivalent_in_list(global_list, port_mapping);
+ if(port_mapping2 == NULL) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping, TRUE);
+ } else if(port_mapping2->state == LinphoneUpnpStateIdle){
+ /* Force to remove */
+ port_mapping2->state = LinphoneUpnpStateOk;
+ }
+ }
+ ms_list_for_each(list, (void (*)(void*))linphone_upnp_port_binding_release);
+ list = ms_list_free(list);
+
+
+ // (Re)Add removed port bindings
+ list = global_list;
+ while(list != NULL) {
+ port_mapping = (UpnpPortBinding *)list->data;
+ linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping, TRUE);
+ linphone_upnp_context_send_add_port_binding(lupnp, port_mapping, TRUE);
+ list = list->next;
+ }
+ global_list = ms_list_free(global_list);
+}
+
+void linphone_upnp_update_port_binding(UpnpContext *lupnp, UpnpPortBinding **port_mapping, upnp_igd_ip_protocol protocol, int port, int retry_delay) {
+ const char *local_addr, *external_addr;
+ time_t now = time(NULL);
+ if(port != 0) {
+ if(*port_mapping != NULL) {
+ if(port != (*port_mapping)->local_port) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, *port_mapping, FALSE);
+ *port_mapping = NULL;
+ }
+ }
+ if(*port_mapping == NULL) {
+ *port_mapping = linphone_upnp_port_binding_new_or_collect(lupnp->pending_bindings, protocol, port, port);
+ }
+
+ // Get addresses
+ local_addr = upnp_igd_get_local_ipaddress(lupnp->upnp_igd_ctxt);
+ external_addr = upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt);
+
+ // Force binding update on local address change
+ if(local_addr != NULL) {
+ if(strncmp((*port_mapping)->local_addr, local_addr, sizeof((*port_mapping)->local_addr))) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, *port_mapping, FALSE);
+ strncpy((*port_mapping)->local_addr, local_addr, sizeof((*port_mapping)->local_addr));
+ }
+ }
+ if(external_addr != NULL) {
+ strncpy((*port_mapping)->external_addr, external_addr, sizeof((*port_mapping)->external_addr));
+ }
+
+ // Add (if not already done) the binding
+ if(now - (*port_mapping)->last_update >= retry_delay) {
+ (*port_mapping)->last_update = now;
+ linphone_upnp_context_send_add_port_binding(lupnp, *port_mapping, FALSE);
+ }
+ } else {
+ if(*port_mapping != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lupnp, *port_mapping, FALSE);
+ *port_mapping = NULL;
+ }
+ }
+}
+
+void linphone_upnp_update_config(UpnpContext* lupnp) {
+ char key[64];
+ const MSList *item;
+ UpnpPortBinding *port_mapping;
+
+ /* Add configs */
+ for(item = lupnp->adding_configs;item!=NULL;item=item->next) {
+ port_mapping = (UpnpPortBinding *)item->data;
+ snprintf(key, sizeof(key), "%s-%s-%d-%d",
+ port_mapping->device_id,
+ (port_mapping->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
+ port_mapping->external_port,
+ port_mapping->local_port);
+ lp_config_set_string(lupnp->lc->config, UPNP_SECTION_NAME, key, "uPnP");
+ linphone_upnp_port_binding_log(ORTP_DEBUG, "Configuration: Added port binding", port_mapping);
+ }
+ ms_list_for_each(lupnp->adding_configs,(void (*)(void*))linphone_upnp_port_binding_release);
+ lupnp->adding_configs = ms_list_free(lupnp->adding_configs);
+
+ /* Remove configs */
+ for(item = lupnp->removing_configs;item!=NULL;item=item->next) {
+ port_mapping = (UpnpPortBinding *)item->data;
+ snprintf(key, sizeof(key), "%s-%s-%d-%d",
+ port_mapping->device_id,
+ (port_mapping->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
+ port_mapping->external_port,
+ port_mapping->local_port);
+ lp_config_set_string(lupnp->lc->config, UPNP_SECTION_NAME, key, NULL);
+ linphone_upnp_port_binding_log(ORTP_DEBUG, "Configuration: Removed port binding", port_mapping);
+ }
+ ms_list_for_each(lupnp->removing_configs,(void (*)(void*))linphone_upnp_port_binding_release);
+ lupnp->removing_configs = ms_list_free(lupnp->removing_configs);
+}
+
+void linphone_upnp_update_proxy(UpnpContext* lupnp, bool_t force) {
+ LinphoneUpnpState ready_state;
+ const MSList *item;
+ time_t now = (force)? (lupnp->last_ready_check + UPNP_CORE_READY_CHECK) : time(NULL);
+
+ /* Refresh registers if we are ready */
+ if(now - lupnp->last_ready_check >= UPNP_CORE_READY_CHECK) {
+ lupnp->last_ready_check = now;
+ ready_state = (_linphone_upnp_context_is_ready_for_register(lupnp))? LinphoneUpnpStateOk: LinphoneUpnpStateKo;
+ if(ready_state != lupnp->last_ready_state) {
+ for(item=linphone_core_get_proxy_config_list(lupnp->lc);item!=NULL;item=item->next) {
+ LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)item->data;
+ if (linphone_proxy_config_register_enabled(cfg)) {
+ if (ready_state != LinphoneUpnpStateOk) {
+ // Only reset ithe registration if we require that upnp should be ok
+ if(lupnp->lc->sip_conf.register_only_when_upnp_is_ok) {
+ linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone, "Registration impossible (uPnP not ready)");
+ } else {
+ cfg->commit=TRUE;
+ }
+ } else {
+ cfg->commit=TRUE;
+ }
+ }
+ }
+ lupnp->last_ready_state = ready_state;
+ }
+ }
+}
+
+bool_t linphone_core_upnp_hook(void *data) {
+ LCSipTransports transport;
+ UpnpContext *lupnp = (UpnpContext *)data;
+
+ ms_mutex_lock(&lupnp->mutex);
+
+ /* Update ports */
+ if(lupnp->state == LinphoneUpnpStateOk) {
+ linphone_core_get_sip_transports(lupnp->lc, &transport);
+ linphone_upnp_update_port_binding(lupnp, &lupnp->sip_udp, UPNP_IGD_IP_PROTOCOL_UDP, transport.udp_port, UPNP_CORE_RETRY_DELAY);
+ linphone_upnp_update_port_binding(lupnp, &lupnp->sip_tcp, UPNP_IGD_IP_PROTOCOL_TCP, transport.tcp_port, UPNP_CORE_RETRY_DELAY);
+ linphone_upnp_update_port_binding(lupnp, &lupnp->sip_tls, UPNP_IGD_IP_PROTOCOL_TCP, transport.tls_port, UPNP_CORE_RETRY_DELAY);
+ }
+
+ linphone_upnp_update_proxy(lupnp, FALSE);
+ linphone_upnp_update_config(lupnp);
+
+ ms_mutex_unlock(&lupnp->mutex);
+ return TRUE;
+}
+
+int linphone_core_update_local_media_description_from_upnp(SalMediaDescription *desc, UpnpSession *session) {
+ int i;
+ SalStreamDescription *stream;
+ UpnpStream *upnpStream;
+
+ for (i = 0; i < desc->n_active_streams; i++) {
+ stream = &desc->streams[i];
+ upnpStream = NULL;
+ if(stream->type == SalAudio) {
+ upnpStream = session->audio;
+ } else if(stream->type == SalVideo) {
+ upnpStream = session->video;
+ }
+ if(upnpStream != NULL) {
+ if(upnpStream->rtp != NULL && upnpStream->rtp->state == LinphoneUpnpStateOk) {
+ strncpy(stream->rtp_addr, upnpStream->rtp->external_addr, LINPHONE_IPADDR_SIZE);
+ stream->rtp_port = upnpStream->rtp->external_port;
+ }
+ if(upnpStream->rtcp != NULL && upnpStream->rtcp->state == LinphoneUpnpStateOk) {
+ strncpy(stream->rtcp_addr, upnpStream->rtcp->external_addr, LINPHONE_IPADDR_SIZE);
+ stream->rtcp_port = upnpStream->rtcp->external_port;
+ }
+ }
+ }
+ return 0;
+}
+
+
+/*
+ * uPnP Port Binding
+ */
+
+UpnpPortBinding *linphone_upnp_port_binding_new() {
+ UpnpPortBinding *port = NULL;
+ port = ms_new0(UpnpPortBinding,1);
+ ms_mutex_init(&port->mutex, NULL);
+ port->state = LinphoneUpnpStateIdle;
+ port->protocol = UPNP_IGD_IP_PROTOCOL_UDP;
+ port->device_id = NULL;
+ port->local_addr[0] = '\0';
+ port->local_port = -1;
+ port->external_addr[0] = '\0';
+ port->external_port = -1;
+ port->to_remove = FALSE;
+ port->to_add = FALSE;
+ port->ref = 1;
+ port->last_update = 0;
+ return port;
+}
+
+UpnpPortBinding *linphone_upnp_port_binding_new_with_parameters(upnp_igd_ip_protocol protocol, int local_port, int external_port) {
+ UpnpPortBinding *port_binding = linphone_upnp_port_binding_new();
+ port_binding->protocol = protocol;
+ port_binding->local_port = local_port;
+ port_binding->external_port = external_port;
+ return port_binding;
+}
+
+UpnpPortBinding *linphone_upnp_port_binding_new_or_collect(MSList *list, upnp_igd_ip_protocol protocol, int local_port, int external_port) {
+ UpnpPortBinding *tmp_binding;
+ UpnpPortBinding *end_binding;
+
+ // Seek an binding with same protocol and local port
+ end_binding = linphone_upnp_port_binding_new_with_parameters(protocol, local_port, -1);
+ tmp_binding = linphone_upnp_port_binding_equivalent_in_list(list, end_binding);
+
+ // Must be not attached to any struct
+ if(tmp_binding != NULL && tmp_binding->ref == 1) {
+ linphone_upnp_port_binding_release(end_binding);
+ end_binding = linphone_upnp_port_binding_retain(tmp_binding);
+ } else {
+ end_binding->external_port = external_port;
+ }
+ return end_binding;
+}
+
+UpnpPortBinding *linphone_upnp_port_binding_copy(const UpnpPortBinding *port) {
+ UpnpPortBinding *new_port = NULL;
+ new_port = ms_new0(UpnpPortBinding,1);
+ memcpy(new_port, port, sizeof(UpnpPortBinding));
+ new_port->device_id = NULL;
+ linphone_upnp_port_binding_set_device_id(new_port, port->device_id);
+ ms_mutex_init(&new_port->mutex, NULL);
+ new_port->ref = 1;
+ return new_port;
+}
+
+void linphone_upnp_port_binding_set_device_id(UpnpPortBinding *port, const char *device_id) {
+ char *formated_device_id = linphone_upnp_format_device_id(device_id);
+ if(formated_device_id != NULL && port->device_id != NULL) {
+ if(strcmp(formated_device_id, port->device_id) == 0) {
+ ms_free(formated_device_id);
+ return;
+ }
+ }
+ if(port->device_id != NULL) {
+ ms_free(port->device_id);
+ }
+ port->device_id = formated_device_id;
+}
+
+void linphone_upnp_port_binding_log(int level, const char *msg, const UpnpPortBinding *port) {
+ if(strlen(port->local_addr)) {
+ ortp_log(level, "uPnP IGD: %s %s|%d->%s:%d (retry %d)", msg,
+ (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
+ port->external_port,
+ port->local_addr,
+ port->local_port,
+ port->retry - 1);
+ } else {
+ ortp_log(level, "uPnP IGD: %s %s|%d->%d (retry %d)", msg,
+ (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
+ port->external_port,
+ port->local_port,
+ port->retry - 1);
+ }
+}
+
+// Return true if the binding are equivalent. (Note external_port == -1 means "don't care")
+bool_t linphone_upnp_port_binding_equal(const UpnpPortBinding *port1, const UpnpPortBinding *port2) {
+ return port1->protocol == port2->protocol &&
+ port1->local_port == port2->local_port &&
+ (port1->external_port == -1 || port2->external_port == -1 || port1->external_port == port2->external_port);
+}
+
+UpnpPortBinding *linphone_upnp_port_binding_equivalent_in_list(MSList *list, const UpnpPortBinding *port) {
+ UpnpPortBinding *port_mapping;
+ while(list != NULL) {
+ port_mapping = (UpnpPortBinding *)list->data;
+ if(linphone_upnp_port_binding_equal(port, port_mapping)) {
+ return port_mapping;
+ }
+ list = list->next;
+ }
+
return NULL;
}
+
+UpnpPortBinding *linphone_upnp_port_binding_retain(UpnpPortBinding *port) {
+ ms_mutex_lock(&port->mutex);
+ port->ref++;
+ ms_mutex_unlock(&port->mutex);
+ return port;
+}
+
+void linphone_upnp_port_binding_release(UpnpPortBinding *port) {
+ ms_mutex_lock(&port->mutex);
+ if(--port->ref == 0) {
+ if(port->device_id != NULL) {
+ ms_free(port->device_id);
+ }
+ ms_mutex_unlock(&port->mutex);
+ ms_mutex_destroy(&port->mutex);
+ ms_free(port);
+ return;
+ }
+ ms_mutex_unlock(&port->mutex);
+}
+
+
+/*
+ * uPnP Stream
+ */
+
+UpnpStream* linphone_upnp_stream_new() {
+ UpnpStream *stream = ms_new0(UpnpStream,1);
+ stream->state = LinphoneUpnpStateIdle;
+ stream->rtp = NULL;
+ stream->rtcp = NULL;
+ return stream;
+}
+
+void linphone_upnp_stream_destroy(UpnpStream* stream) {
+ if(stream->rtp != NULL) {
+ linphone_upnp_port_binding_release(stream->rtp);
+ stream->rtp = NULL;
+ }
+ if(stream->rtcp != NULL) {
+ linphone_upnp_port_binding_release(stream->rtcp);
+ stream->rtcp = NULL;
+ }
+ ms_free(stream);
+}
+
+
+/*
+ * uPnP Session
+ */
+
+UpnpSession* linphone_upnp_session_new(LinphoneCall* call) {
+ UpnpSession *session = ms_new0(UpnpSession,1);
+ session->call = call;
+ session->state = LinphoneUpnpStateIdle;
+ session->audio = linphone_upnp_stream_new();
+ session->video = linphone_upnp_stream_new();
+ return session;
+}
+
+void linphone_upnp_session_destroy(UpnpSession *session) {
+ LinphoneCore *lc = session->call->core;
+
+ if(lc->upnp != NULL) {
+ /* Remove bindings */
+ if(session->audio->rtp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lc->upnp, session->audio->rtp, TRUE);
+ }
+ if(session->audio->rtcp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lc->upnp, session->audio->rtcp, TRUE);
+ }
+ if(session->video->rtp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lc->upnp, session->video->rtp, TRUE);
+ }
+ if(session->video->rtcp != NULL) {
+ linphone_upnp_context_send_remove_port_binding(lc->upnp, session->video->rtcp, TRUE);
+ }
+ }
+
+ session->call->stats[LINPHONE_CALL_STATS_AUDIO].upnp_state = LinphoneUpnpStateKo;
+ session->call->stats[LINPHONE_CALL_STATS_VIDEO].upnp_state = LinphoneUpnpStateKo;
+
+ linphone_upnp_stream_destroy(session->audio);
+ linphone_upnp_stream_destroy(session->video);
+ ms_free(session);
+}
+
+LinphoneUpnpState linphone_upnp_session_get_state(UpnpSession *session) {
+ return session->state;
+}
+
+
+/*
+ * uPnP Config
+ */
+
+struct linphone_upnp_config_list_port_bindings_struct {
+ struct _LpConfig *lpc;
+ MSList *retList;
+ const char *device_id;
+};
+
+static void linphone_upnp_config_list_port_bindings_cb(const char *entry, struct linphone_upnp_config_list_port_bindings_struct *cookie) {
+ char device_id[UPNP_UUID_LEN + 1];
+ char protocol_str[4]; // TCP or UDP
+ upnp_igd_ip_protocol protocol;
+ int external_port;
+ int local_port;
+ int ret;
+ bool_t valid = TRUE;
+ UpnpPortBinding *port;
+
+ ret = sscanf(entry, "%"UPNP_UUID_LEN_STR"[^-]-%3s-%i-%i", device_id, protocol_str, &external_port, &local_port);
+ if(ret == 4) {
+ // Handle only wanted device bindings
+ if(device_id != NULL && strcmp(cookie->device_id, device_id) != 0) {
+ return;
+ }
+ if(linphone_upnp_strncmpi(protocol_str, "TCP", 3) == 0) {
+ protocol = UPNP_IGD_IP_PROTOCOL_TCP;
+ } else if(linphone_upnp_strncmpi(protocol_str, "UDP", 3) == 0) {
+ protocol = UPNP_IGD_IP_PROTOCOL_UDP;
+ } else {
+ valid = FALSE;
+ }
+ if(valid) {
+ port = linphone_upnp_port_binding_new();
+ linphone_upnp_port_binding_set_device_id(port, device_id);
+ port->state = LinphoneUpnpStateOk;
+ port->protocol = protocol;
+ port->external_port = external_port;
+ port->local_port = local_port;
+ cookie->retList = ms_list_append(cookie->retList, port);
+ }
+ } else {
+ valid = FALSE;
+ }
+ if(!valid) {
+ ms_warning("uPnP configuration invalid line: %s", entry);
+ }
+}
+
+MSList *linphone_upnp_config_list_port_bindings(struct _LpConfig *lpc, const char *device_id) {
+ char *formated_device_id = linphone_upnp_format_device_id(device_id);
+ struct linphone_upnp_config_list_port_bindings_struct cookie = {lpc, NULL, formated_device_id};
+ lp_config_for_each_entry(lpc, UPNP_SECTION_NAME, (void(*)(const char *, void*))linphone_upnp_config_list_port_bindings_cb, &cookie);
+ ms_free(formated_device_id);
+ return cookie.retList;
+}
+
+void linphone_upnp_config_add_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port) {
+ MSList *list;
+ UpnpPortBinding *list_port;
+
+ if(port->device_id == NULL) {
+ ms_error("Can't remove port binding without device_id");
+ return;
+ }
+
+ list = lupnp->removing_configs;
+ while(list != NULL) {
+ list_port = (UpnpPortBinding *)list->data;
+ if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
+ lupnp->removing_configs = ms_list_remove(lupnp->removing_configs, list_port);
+ linphone_upnp_port_binding_release(list_port);
+ return;
+ }
+ list = ms_list_next(list);
+ }
+
+ list = lupnp->adding_configs;
+ while(list != NULL) {
+ list_port = (UpnpPortBinding *)list->data;
+ if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
+ return;
+ }
+ list = ms_list_next(list);
+ }
+
+ list_port = linphone_upnp_port_binding_copy(port);
+ lupnp->adding_configs = ms_list_append(lupnp->adding_configs, list_port);
+}
+
+void linphone_upnp_config_remove_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port) {
+ MSList *list;
+ UpnpPortBinding *list_port;
+
+ if(port->device_id == NULL) {
+ ms_error("Can't remove port binding without device_id");
+ return;
+ }
+
+ list = lupnp->adding_configs;
+ while(list != NULL) {
+ list_port = (UpnpPortBinding *)list->data;
+ if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
+ lupnp->adding_configs = ms_list_remove(lupnp->adding_configs, list_port);
+ linphone_upnp_port_binding_release(list_port);
+ return;
+ }
+ list = ms_list_next(list);
+ }
+
+ list = lupnp->removing_configs;
+ while(list != NULL) {
+ list_port = (UpnpPortBinding *)list->data;
+ if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
+ return;
+ }
+ list = ms_list_next(list);
+ }
+
+ list_port = linphone_upnp_port_binding_copy(port);
+ lupnp->removing_configs = ms_list_append(lupnp->removing_configs, list_port);
+}