add SIPCHANINFO function to retrieve information about the current connected SIP...
authorKevin P. Fleming <kpfleming@digium.com>
Mon, 22 Aug 2005 21:13:37 +0000 (21:13 +0000)
committerKevin P. Fleming <kpfleming@digium.com>
Mon, 22 Aug 2005 21:13:37 +0000 (21:13 +0000)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6357 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

index 451a4a2..2241596 100755 (executable)
@@ -6224,6 +6224,8 @@ static int check_user_full(struct sip_pvt *p, struct sip_request *req, int sipme
                if (ast_strlen_zero(p->our_contact))
                        build_contact(p);
        }
+       /* save the URI part of the From header */
+       ast_copy_string(p->from, of, sizeof(p->from));
        if (strncmp(of, "sip:", 4)) {
                ast_log(LOG_NOTICE, "From address missing 'sip:', using it anyway\n");
        } else
@@ -8294,6 +8296,73 @@ struct ast_custom_function sippeer_function = {
        "\n"
 };
 
+/*--- function_sipchaninfo_read: ${SIPCHANINFO()} Dialplan function - reads sip channel data */
+static char *function_sipchaninfo_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) 
+{
+       struct sip_pvt *p;
+       char iabuf[INET_ADDRSTRLEN];
+
+       *buf = 0;
+       
+       if (!data) {
+               ast_log(LOG_WARNING, "This function requires a parameter name.\n");
+               return NULL;
+       }
+
+       ast_mutex_lock(&chan->lock);
+       if (chan->type != channeltype) {
+               ast_log(LOG_WARNING, "This function can only be used on SIP channels.\n");
+               ast_mutex_unlock(&chan->lock);
+               return NULL;
+       }
+
+/*     ast_verbose("function_sipchaninfo_read: %s\n", data); */
+       p = chan->tech_pvt;
+
+       /* If there is no private structure, this channel is no longer alive */
+       if (!p) {
+               ast_mutex_unlock(&chan->lock);
+               return NULL;
+       }
+
+       if (!strcasecmp(data, "peerip")) {
+               ast_copy_string(buf, p->sa.sin_addr.s_addr ? ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr) : "", len);
+       } else  if (!strcasecmp(data, "recvip")) {
+               ast_copy_string(buf, p->recv.sin_addr.s_addr ? ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr) : "", len);
+       } else  if (!strcasecmp(data, "from")) {
+               ast_copy_string(buf, p->from, len);
+       } else  if (!strcasecmp(data, "uri")) {
+               ast_copy_string(buf, p->uri, len);
+       } else  if (!strcasecmp(data, "useragent")) {
+               ast_copy_string(buf, p->useragent, len);
+       } else  if (!strcasecmp(data, "peername")) {
+               ast_copy_string(buf, p->peername, len);
+       } else {
+               ast_mutex_unlock(&chan->lock);
+               return NULL;
+       }
+       ast_mutex_unlock(&chan->lock);
+
+       return buf;
+}
+
+/* Structure to declare a dialplan function: SIPCHANINFO */
+static struct ast_custom_function sipchaninfo_function = {
+       .name = "SIPCHANINFO",
+       .synopsis = "Gets the specified SIP parameter from the current channel",
+       .syntax = "SIPCHANINFO(item)",
+       .read = function_sipchaninfo_read,
+       .desc = "Valid items are:\n"
+       "- peerip                The IP address of the peer.\n"
+       "- recvip                The source IP address of the peer.\n"
+       "- from                  The URI from the From: header.\n"
+       "- uri                   The URI from the Contact: header.\n"
+       "- useragent             The useragent.\n"
+       "- peername              The name of the peer.\n"
+};
+
+
+
 /*--- parse_moved_contact: Parse 302 Moved temporalily response */
 static void parse_moved_contact(struct sip_pvt *p, struct sip_request *req)
 {
@@ -11606,6 +11675,7 @@ int load_module()
        /* Register dialplan functions */
        ast_custom_function_register(&sip_header_function);
        ast_custom_function_register(&sippeer_function);
+       ast_custom_function_register(&sipchaninfo_function);
 
        /* Register manager commands */
        ast_manager_register2("SIPpeers", EVENT_FLAG_SYSTEM, manager_sip_show_peers,
@@ -11629,6 +11699,7 @@ int unload_module()
        /* First, take us out of the channel type list */
        ast_channel_unregister(&sip_tech);
 
+       ast_custom_function_unregister(&sipchaninfo_function);
        ast_custom_function_unregister(&sippeer_function);
        ast_custom_function_unregister(&sip_header_function);