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add SIPCHANINFO function to retrieve information about the current connected SIP endpoint (issue #4698) 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@6357 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
kpfleming 2005-08-22 21:13:37 +00:00
parent 2e63ac9b50
commit 9a0aaf306a
1 changed files with 71 additions and 0 deletions
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71
channels/chan_sip.c
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@ -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);