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freeswitch/src/mod/applications/mod_enum/mod_enum.c

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* 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 <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Jay Binks <jaybinks@gmail.com>
*
* mod_enum.c -- ENUM
*
*/
#include <switch.h>
#ifdef _MSC_VER
#define ssize_t int
#endif
#include <ldns/ldns.h>
#define ENUM_MAXNAMESERVERS 10 /* max nameservers that will be used */
SWITCH_MODULE_LOAD_FUNCTION(mod_enum_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_enum_shutdown);
SWITCH_MODULE_DEFINITION(mod_enum, mod_enum_load, mod_enum_shutdown, NULL);
static switch_mutex_t *MUTEX = NULL;
struct enum_record {
int order;
int preference;
char *service;
char *route;
int supported;
struct enum_record *next;
struct enum_record *tail;
};
typedef struct enum_record enum_record_t;
struct route {
char *service;
char *regex;
char *replace;
struct route *next;
};
typedef struct route enum_route_t;
static switch_event_node_t *NODE = NULL;
static struct {
char *root;
char *isn_root;
enum_route_t *route_order;
switch_memory_pool_t *pool;
int auto_reload;
int timeout;
int retries;
int random;
char *nameserver[ENUM_MAXNAMESERVERS];
#ifdef _MSC_VER
char *nameserver_buf;
#endif
} globals;
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_root, globals.root);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_isn_root, globals.isn_root);
static void add_route(char *service, char *regex, char *replace)
{
enum_route_t *route, *rp;
route = switch_core_alloc(globals.pool, sizeof(*route));
route->service = switch_core_strdup(globals.pool, service);
route->regex = switch_core_strdup(globals.pool, regex);
route->replace = switch_core_strdup(globals.pool, replace);
switch_mutex_lock(MUTEX);
if (!globals.route_order) {
globals.route_order = route;
} else {
for (rp = globals.route_order; rp && rp->next; rp = rp->next);
rp->next = route;
}
switch_mutex_unlock(MUTEX);
}
static switch_status_t load_config(void)
{
char *cf = "enum.conf";
int inameserver = 0;
switch_xml_t cfg, xml = NULL, param, settings, route, routes;
switch_status_t status = SWITCH_STATUS_SUCCESS;
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;
}
globals.timeout = 5000;
globals.retries = 3;
globals.random = 0;
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
const char *var = switch_xml_attr_soft(param, "name");
const char *val = switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "default-root")) {
set_global_root(val);
} else if (!strcasecmp(var, "auto-reload")) {
globals.auto_reload = switch_true(val);
} else if (!strcasecmp(var, "query-timeout")) {
globals.timeout = atoi(val) * 1000;
} else if (!strcasecmp(var, "query-timeout-ms")) {
globals.timeout = atoi(val);
} else if (!strcasecmp(var, "query-timeout-retry")) {
globals.retries = atoi(val);
} else if (!strcasecmp(var, "random-nameserver")) {
globals.random = switch_true(val);
} else if (!strcasecmp(var, "default-isn-root")) {
set_global_isn_root(val);
} else if (!strcasecmp(var, "nameserver") || !strcasecmp(var, "use-server")) {
if ( inameserver < ENUM_MAXNAMESERVERS ) {
globals.nameserver[inameserver] = (char *) val;
inameserver++;
}
}
}
}
if ((routes = switch_xml_child(cfg, "routes"))) {
for (route = switch_xml_child(routes, "route"); route; route = route->next) {
char *service = (char *) switch_xml_attr_soft(route, "service");
char *regex = (char *) switch_xml_attr_soft(route, "regex");
char *replace = (char *) switch_xml_attr_soft(route, "replace");
if (service && regex && replace) {
add_route(service, regex, replace);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Route!\n");
}
}
}
done:
#ifdef _MSC_VER
if (!globals.nameserver[0]) {
HKEY hKey;
DWORD data_sz;
RegOpenKeyEx(HKEY_LOCAL_MACHINE,
"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters",
0, KEY_QUERY_VALUE, &hKey);
if (hKey) {
RegQueryValueEx(hKey, "DhcpNameServer", NULL, NULL, NULL, &data_sz);
if (data_sz) {
globals.nameserver_buf = (char*)malloc(data_sz + 1);
RegQueryValueEx(hKey, "DhcpNameServer", NULL, NULL, (LPBYTE)globals.nameserver_buf, &data_sz);
if(globals.nameserver_buf[data_sz - 1] != 0) {
globals.nameserver_buf[data_sz] = 0;
}
switch_replace_char(globals.nameserver_buf, ' ', 0, SWITCH_FALSE); /* only use the first entry ex "192.168.1.1 192.168.1.2" */
globals.nameserver[0] = globals.nameserver_buf;
}
RegCloseKey(hKey);
}
}
#endif
if (xml) {
switch_xml_free(xml);
}
if (!globals.root) {
set_global_root("e164.org");
}
if (!globals.isn_root) {
set_global_isn_root("freenum.org");
}
return status;
}
static char *reverse_number(const char *in, const char *root)
{
switch_size_t len;
char *out = NULL;
const char *y;
char *z;
if (!(in && root)) {
return NULL;
}
len = (strlen(in) * 2) + strlen(root) + 1;
if ((out = malloc(len))) {
memset(out, 0, len);
z = out;
for (y = in + (strlen(in) - 1); y; y--) {
if (*y > 47 && *y < 58) {
*z++ = *y;
*z++ = '.';
}
if (y == in) {
break;
}
}
strcat(z, root);
}
return out;
}
static void add_result(enum_record_t **results, int order, int preference, char *service, char *route, int supported)
{
enum_record_t *new_result;
new_result = malloc(sizeof(*new_result));
switch_assert(new_result);
memset(new_result, 0, sizeof(*new_result));
new_result->order = order;
new_result->preference = preference;
new_result->service = strdup(service);
new_result->route = strdup(route);
new_result->supported = supported;
if (!*results) {
*results = new_result;
(*results)->tail = new_result;
} else {
(*results)->tail->next = new_result;
(*results)->tail = new_result;
}
}
static void free_results(enum_record_t ** results)
{
enum_record_t *fp, *rp;
for (rp = *results; rp;) {
fp = rp;
rp = rp->next;
switch_safe_free(fp->service);
switch_safe_free(fp->route);
switch_safe_free(fp);
}
*results = NULL;
}
static ldns_rdf *ldns_rdf_new_addr_frm_str(const char *str)
{
ldns_rdf *a = NULL;
ldns_str2rdf_a(&a, str);
if (!a) {
/* maybe ip6 */
ldns_str2rdf_aaaa(&a, str);
if (!a) {
return NULL;
}
}
return a;
}
#define strip_quotes(_s) if (*_s == '"') _s++; if (end_of(_s) == '"') end_of(_s) = '\0'
static void parse_naptr(const ldns_rr *naptr, const char *number, enum_record_t **results)
{
char *str = ldns_rr2str(naptr);
char *argv[11] = { 0 };
int i, argc;
char *pack[4] = { 0 };
int packc;
char *p;
int order = 10;
int preference = 100;
char *service = NULL;
char *packstr;
char *regex, *replace;
if (zstr(str)) {
if (str != NULL) {
/* In this case ldns_rr2str returned a malloc'd null terminated string */
switch_safe_free(str);
}
return;
}
for (p = str; p && *p; p++) {
if (*p == '\t') *p = ' ';
if (*p == ' ' && *(p+1) == '.') *p = '\0';
}
argc = switch_split(str, ' ', argv);
for (i = 0; i < argc; i++) {
if (i > 0) {
strip_quotes(argv[i]);
}
}
service = argv[7];
packstr = argv[8];
if (zstr(service) || zstr(packstr)) {
goto end;
}
if (!zstr(argv[4])) {
order = atoi(argv[4]);
}
if (!zstr(argv[5])) {
preference = atoi(argv[5]);
}
if ((packc = switch_split(packstr, '!', pack))) {
regex = pack[1];
replace = pack[2];
} else {
goto end;
}
for (p = replace; p && *p; p++) {
if (*p == '\\') {
*p = '$';
}
}
if (service && regex && replace) {
switch_regex_t *re = NULL, *re2 = NULL;
int proceed = 0, ovector[30];
char *substituted = NULL;
char *substituted_2 = NULL;
char *orig_uri;
char *uri_expanded = NULL;
enum_route_t *route;
int supported = 0;
uint32_t len = 0;
if ((proceed = switch_regex_perform(number, regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
if (strchr(regex, '(')) {
len = (uint32_t) (strlen(number) + strlen(replace) + 10) * proceed;
if (!(substituted = malloc(len))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
switch_regex_safe_free(re);
goto end;
}
memset(substituted, 0, len);
switch_perform_substitution(re, proceed, replace, number, substituted, len, ovector);
orig_uri = substituted;
} else {
orig_uri = replace;
}
switch_mutex_lock(MUTEX);
for (route = globals.route_order; route; route = route->next) {
char *uri = orig_uri;
if (strcasecmp(service, route->service)) {
continue;
}
if ((proceed = switch_regex_perform(uri, route->regex, &re2, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
switch_event_t *event = NULL;
if (strchr(route->regex, '(')) {
len = (uint32_t) (strlen(uri) + strlen(route->replace) + 10) * proceed;
if (!(substituted_2 = malloc(len))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
switch_safe_free(substituted);
switch_regex_safe_free(re);
switch_regex_safe_free(re2);
switch_mutex_unlock(MUTEX);
goto end;
}
memset(substituted_2, 0, len);
switch_perform_substitution(re2, proceed, route->replace, uri, substituted_2, len, ovector);
uri = substituted_2;
} else {
uri = route->replace;
}
switch_event_create(&event, SWITCH_EVENT_REQUEST_PARAMS);
uri_expanded = switch_event_expand_headers(event, uri);
switch_event_destroy(&event);
if (uri_expanded == uri) {
uri_expanded = NULL;
} else {
uri = uri_expanded;
}
supported++;
add_result(results, order, preference, service, uri, supported);
}
switch_safe_free(uri_expanded);
switch_safe_free(substituted_2);
switch_regex_safe_free(re2);
}
switch_mutex_unlock(MUTEX);
if (!supported) {
add_result(results, order, preference, service, orig_uri, 0);
}
switch_safe_free(substituted);
switch_regex_safe_free(re);
}
}
end:
switch_safe_free(str);
return;
}
switch_status_t ldns_lookup(const char *number, const char *root, char *server_name[ENUM_MAXNAMESERVERS] , enum_record_t **results)
{
ldns_resolver *res = NULL;
ldns_rdf *domain = NULL;
ldns_pkt *p = NULL;
ldns_rr_list *naptr = NULL;
ldns_status s = LDNS_STATUS_ERR;
ldns_rdf *serv_rdf;
switch_status_t status = SWITCH_STATUS_FALSE;
char *name = NULL;
struct timeval to = { 0, 0};
int inameserver = 0;
int added_server = 0;
if (!(name = reverse_number(number, root))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Parse Error!\n");
goto end;
}
if (!(domain = ldns_dname_new_frm_str(name))) {
goto end;
}
if (server_name) {
res = ldns_resolver_new();
switch_assert(res);
for(inameserver=0; inameserver<ENUM_MAXNAMESERVERS; inameserver++) {
if ( server_name[inameserver] != NULL ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding Nameserver [%s]\n", server_name[inameserver]);
if ((serv_rdf = ldns_rdf_new_addr_frm_str( server_name[inameserver] ))) {
s = ldns_resolver_push_nameserver(res, serv_rdf);
ldns_rdf_deep_free(serv_rdf);
added_server = 1;
}
}
}
}
if (!added_server) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "No Nameservers specified, using host default\n");
/* create a new resolver from /etc/resolv.conf */
s = ldns_resolver_new_frm_file(&res, NULL);
}
if (s != LDNS_STATUS_OK) {
goto end;
}
to.tv_sec = globals.timeout / 1000;
to.tv_usec = (globals.timeout % 1000) * 1000;
ldns_resolver_set_timeout(res, to);
ldns_resolver_set_retry(res, (uint8_t)globals.retries);
ldns_resolver_set_random(res, globals.random);
if ((p = ldns_resolver_query(res,
domain,
LDNS_RR_TYPE_NAPTR,
LDNS_RR_CLASS_IN,
LDNS_RD))) {
/* retrieve the NAPTR records from the answer section of that
* packet
*/
if ((naptr = ldns_pkt_rr_list_by_type(p, LDNS_RR_TYPE_NAPTR, LDNS_SECTION_ANSWER))) {
size_t i;
ldns_rr_list_sort(naptr);
for (i = 0; i < ldns_rr_list_rr_count(naptr); i++) {
parse_naptr(ldns_rr_list_rr(naptr, i), number, results);
}
//ldns_rr_list_print(stdout, naptr);
ldns_rr_list_deep_free(naptr);
status = SWITCH_STATUS_SUCCESS;
}
}
end:
switch_safe_free(name);
if (domain) {
ldns_rdf_deep_free(domain);
}
if (p) {
ldns_pkt_free(p);
}
if (res) {
ldns_resolver_deep_free(res);
}
return status;
}
static switch_status_t enum_lookup(char *root, char *in, enum_record_t **results, switch_channel_t *channel, switch_core_session_t *session)
{
switch_status_t sstatus = SWITCH_STATUS_SUCCESS;
char *mnum = NULL, *mroot = NULL, *p;
char *server[ENUM_MAXNAMESERVERS];
int inameserver = 0;
char *argv[ ENUM_MAXNAMESERVERS ] = { 0 };
int argc;
int x = 0;
char *enum_nameserver_dup;
const char *enum_nameserver = NULL;
*results = NULL;
mnum = switch_mprintf("%s%s", *in == '+' ? "" : "+", in);
if ((p = strchr(mnum, '*'))) {
*p++ = '\0';
mroot = switch_mprintf("%s.%s", p, root ? root : globals.isn_root);
root = mroot;
}
if (zstr(root)) {
root = globals.root;
}
/* Empty the server array */
for(inameserver=0; inameserver<ENUM_MAXNAMESERVERS; inameserver++) {
server[inameserver] = NULL;
}
inameserver = 0;
/* check for enum_nameserver channel var */
if (channel) {
enum_nameserver = switch_channel_get_variable(channel, "enum_nameserver");
}
if (zstr(enum_nameserver)) {
enum_nameserver = switch_core_get_variable("enum-server");
}
if (!zstr(enum_nameserver)) {
/* Blank the server array */
for(inameserver=0; inameserver<ENUM_MAXNAMESERVERS; inameserver++) {
server[inameserver] = NULL;
}
enum_nameserver_dup = switch_core_session_strdup(session, enum_nameserver);
argc = switch_separate_string(enum_nameserver_dup, ',', argv, (sizeof(argv) / sizeof(argv[0])));
inameserver = 0;
for (x = 0; x < argc; x++) {
server[inameserver] = argv[x];
inameserver++;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Enum nameserver override : %s\n", enum_nameserver);
}
if (!inameserver) {
/* use config param "nameserver" ( can be up to ENUM_MAXNAMESERVERS ) */
for(inameserver = 0; inameserver<ENUM_MAXNAMESERVERS; inameserver++) {
server[inameserver] = NULL;
if ( globals.nameserver[inameserver] != NULL ) {
server[inameserver] = globals.nameserver[inameserver];
}
}
}
ldns_lookup(mnum, root, server, results);
switch_safe_free(mnum);
switch_safe_free(mroot);
return sstatus;
}
SWITCH_STANDARD_DIALPLAN(enum_dialplan_hunt)
{
switch_caller_extension_t *extension = NULL;
enum_record_t *results = NULL, *rp;
switch_channel_t *channel = switch_core_session_get_channel(session);
char *dp = (char *) arg;
if (!caller_profile) {
caller_profile = switch_channel_get_caller_profile(channel);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "ENUM Lookup on %s\n", caller_profile->destination_number);
if (enum_lookup(dp, caller_profile->destination_number, &results, channel, session) == SWITCH_STATUS_SUCCESS) {
if ((extension = switch_caller_extension_new(session, caller_profile->destination_number, caller_profile->destination_number)) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error!\n");
free_results(&results);
return NULL;
}
switch_channel_set_variable(channel, SWITCH_HANGUP_AFTER_BRIDGE_VARIABLE, "true");
for (rp = results; rp; rp = rp->next) {
if (!rp->supported) {
continue;
}
switch_caller_extension_add_application(session, extension, "bridge", rp->route);
}
free_results(&results);
}
return extension;
}
SWITCH_STANDARD_APP(enum_app_function)
{
int argc = 0;
char *argv[4] = { 0 };
char *mydata = NULL;
char *dest = NULL, *root = NULL;
enum_record_t *results, *rp;
char rbuf[1024] = "";
char vbuf[1024] = "";
char *rbp = rbuf;
switch_size_t l = 0, rbl = sizeof(rbuf);
uint32_t cnt = 1;
switch_channel_t *channel = switch_core_session_get_channel(session);
int last_order = -1, last_pref = -2;
char *last_delim = "|";
if (!(mydata = switch_core_session_strdup(session, data))) {
return;
}
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
dest = argv[0];
root = argv[1];
if (enum_lookup(root, dest, &results, channel, session) == SWITCH_STATUS_SUCCESS) {
switch_event_t *vars;
if (switch_channel_get_variables(channel, &vars) == SWITCH_STATUS_SUCCESS) {
switch_event_header_t *hi;
for (hi = vars->headers; hi; hi = hi->next) {
char *vvar = hi->name;
if (vvar && !strncmp(vvar, "enum_", 5)) {
switch_channel_set_variable(channel, (char *) vvar, NULL);
}
}
switch_event_destroy(&vars);
}
for (rp = results; rp; rp = rp->next) {
if (!rp->supported) {
continue;
}
switch_snprintf(vbuf, sizeof(vbuf), "enum_route_%d", cnt++);
switch_channel_set_variable_var_check(channel, vbuf, rp->route, SWITCH_FALSE);
if (rp->preference == last_pref && rp->order == last_order) {
*last_delim = ',';
}
switch_snprintf(rbp, rbl, "%s|", rp->route);
last_delim = end_of_p(rbp);
last_order = rp->order;
last_pref = rp->preference;
l = strlen(rp->route) + 1;
rbp += l;
rbl -= l;
}
switch_snprintf(vbuf, sizeof(vbuf), "%d", cnt - 1);
switch_channel_set_variable_var_check(channel, "enum_route_count", vbuf, SWITCH_FALSE);
*(rbuf + strlen(rbuf) - 1) = '\0';
switch_channel_set_variable_var_check(channel, "enum_auto_route", rbuf, SWITCH_FALSE);
free_results(&results);
}
}
}
SWITCH_STANDARD_API(enum_api)
{
int argc = 0;
char *argv[4] = { 0 };
char *mydata = NULL;
char *dest = NULL, *root = NULL;
enum_record_t *results, *rp;
char rbuf[1024] = "";
char *rbp = rbuf;
switch_size_t l = 0, rbl = sizeof(rbuf);
int last_order = -1, last_pref = -2;
char *last_delim = "|";
int ok = 0;
if (zstr(cmd)) {
stream->write_function(stream, "%s", "none");
return SWITCH_STATUS_SUCCESS;
}
if (!(mydata = strdup(cmd))) {
abort();
}
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
dest = argv[0];
root = argv[1];
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Looking up %s@%s\n", dest, root);
if (enum_lookup(root, dest, &results, NULL, session) == SWITCH_STATUS_SUCCESS) {
for (rp = results; rp; rp = rp->next) {
if (!rp->supported) {
continue;
}
if (rp->preference == last_pref && rp->order == last_order) {
*last_delim = ',';
}
switch_snprintf(rbp, rbl, "%s|", rp->route);
last_delim = end_of_p(rbp);
last_order = rp->order;
last_pref = rp->preference;
l = strlen(rp->route) + 1;
rbp += l;
rbl -= l;
}
*(rbuf + strlen(rbuf) - 1) = '\0';
stream->write_function(stream, "%s", rbuf);
free_results(&results);
ok++;
}
}
switch_safe_free(mydata);
if (!ok) {
stream->write_function(stream, "%s", "none");
}
return SWITCH_STATUS_SUCCESS;
}
static void do_load(void)
{
switch_mutex_lock(MUTEX);
if (globals.pool) {
switch_core_destroy_memory_pool(&globals.pool);
}
switch_safe_free(globals.root);
switch_safe_free(globals.isn_root);
memset(&globals, 0, sizeof(globals));
switch_core_new_memory_pool(&globals.pool);
globals.timeout = 10;
load_config();
switch_mutex_unlock(MUTEX);
}
SWITCH_STANDARD_API(enum_function)
{
int argc = 0;
char *argv[4] = { 0 };
enum_record_t *results, *rp;
char *mydata = NULL;
char *dest = NULL, *root = NULL;
if (session) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "This function cannot be called from the dialplan.\n");
return SWITCH_STATUS_FALSE;
}
if (!cmd || !(mydata = strdup(cmd))) {
stream->write_function(stream, "Usage: enum [reload | <number> [<root>] ]\n");
return SWITCH_STATUS_SUCCESS;
}
if ((argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0]))))) {
dest = argv[0];
root = argv[1];
switch_assert(dest);
if (!strcasecmp(dest, "reload")) {
do_load();
stream->write_function(stream, "+OK ENUM Reloaded.\n");
switch_safe_free(mydata);
return SWITCH_STATUS_SUCCESS;
}
if (enum_lookup(root, dest, &results, NULL, session) != SWITCH_STATUS_SUCCESS) {
stream->write_function(stream, "No Match!\n");
switch_safe_free(mydata);
return SWITCH_STATUS_SUCCESS;
}
stream->write_function(stream,
"\nOffered Routes:\n"
"Order\tPref\tService \tRoute\n" "==============================================================================\n");
for (rp = results; rp; rp = rp->next) {
stream->write_function(stream, "%d\t%d\t%-10s\t%s\n", rp->order, rp->preference, rp->service, rp->route);
}
stream->write_function(stream,
"\nSupported Routes:\n"
"Order\tPref\tService \tRoute\n" "==============================================================================\n");
for (rp = results; rp; rp = rp->next) {
if (rp->supported) {
stream->write_function(stream, "%d\t%d\t%-10s\t%s\n", rp->order, rp->preference, rp->service, rp->route);
}
}
free_results(&results);
} else {
stream->write_function(stream, "Invalid Input!\n");
}
switch_safe_free(mydata);
return SWITCH_STATUS_SUCCESS;
}
static void event_handler(switch_event_t *event)
{
if (globals.auto_reload) {
switch_mutex_lock(MUTEX);
do_load();
switch_mutex_unlock(MUTEX);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "ENUM Reloaded\n");
}
}
SWITCH_MODULE_LOAD_FUNCTION(mod_enum_load)
{
switch_api_interface_t *api_interface;
switch_application_interface_t *app_interface;
switch_dialplan_interface_t *dp_interface;
switch_mutex_init(&MUTEX, SWITCH_MUTEX_NESTED, pool);
if ((switch_event_bind_removable(modname, SWITCH_EVENT_RELOADXML, NULL, event_handler, NULL, &NODE) != SWITCH_STATUS_SUCCESS)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_TERM;
}
memset(&globals, 0, sizeof(globals));
do_load();
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_API(api_interface, "enum", "ENUM", enum_function, "");
SWITCH_ADD_API(api_interface, "enum_auto", "ENUM", enum_api, "");
SWITCH_ADD_APP(app_interface, "enum", "Perform an ENUM lookup", "Perform an ENUM lookup", enum_app_function, "[reload | <number> [<root>]]",
SAF_SUPPORT_NOMEDIA | SAF_ROUTING_EXEC);
SWITCH_ADD_DIALPLAN(dp_interface, "enum", enum_dialplan_hunt);
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_enum_shutdown)
{
switch_event_unbind(&NODE);
if (globals.pool) {
switch_core_destroy_memory_pool(&globals.pool);
}
switch_safe_free(globals.root);
switch_safe_free(globals.isn_root);
#ifdef _MSC_VER
switch_safe_free(globals.nameserver_buf);
#endif
return SWITCH_STATUS_UNLOAD;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
*/
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