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Last updated: Sat Feb 3 05:00:53 2007

Asterisk developer's documentation :: Codename Pineapple

---

res_jabber.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 1999 - 2006, Digium, Inc.
 *
 * Matt O'Gorman <mogorman@digium.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */

/*! \file
 * \brief A resource for interfacing asterisk directly as a client
 * or a component to a jabber compliant server.
 */

/*** MODULEINFO
   <depend>iksemel</depend>
 ***/

#include "asterisk.h"

ASTERISK_FILE_VERSION(__FILE__, "$Revision: 49691 $")

#include <stdlib.h>
#include <stdio.h>
#include <iksemel.h>

#include "asterisk/channel.h"
#include "asterisk/jabber.h"
#include "asterisk/file.h"
#include "asterisk/config.h"
#include "asterisk/callerid.h"
#include "asterisk/lock.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/pbx.h"
#include "asterisk/md5.h"
#include "asterisk/acl.h"
#include "asterisk/utils.h"
#include "asterisk/module.h"
#include "asterisk/astobj.h"
#include "asterisk/astdb.h"
#include "asterisk/manager.h"

#define JABBER_CONFIG "jabber.conf"

/*-- Forward declarations */
static int aji_highest_bit(int number);
static void aji_buddy_destroy(struct aji_buddy *obj);
static void aji_client_destroy(struct aji_client *obj);
static int aji_send_exec(struct ast_channel *chan, void *data);
static int aji_status_exec(struct ast_channel *chan, void *data);
static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming);
static int aji_act_hook(void *data, int type, iks *node);
static void aji_handle_iq(struct aji_client *client, iks *node);
static void aji_handle_message(struct aji_client *client, ikspak *pak);
static void aji_handle_presence(struct aji_client *client, ikspak *pak);
static void aji_handle_subscribe(struct aji_client *client, ikspak *pak);
static void *aji_recv_loop(void *data);
static int aji_component_initialize(struct aji_client *client);
static int aji_client_initialize(struct aji_client *client);
static int aji_client_connect(void *data, ikspak *pak);
static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc);
static int aji_do_debug(int fd, int argc, char *argv[]);
static int aji_do_reload(int fd, int argc, char *argv[]);
static int aji_no_debug(int fd, int argc, char *argv[]);
static int aji_test(int fd, int argc, char *argv[]);
static int aji_show_clients(int fd, int argc, char *argv[]);
static int aji_create_client(char *label, struct ast_variable *var, int debug);
static int aji_create_buddy(char *label, struct aji_client *client);
static int aji_reload(void);
static int aji_load_config(void);
static void aji_pruneregister(struct aji_client *client);
static int aji_filter_roster(void *data, ikspak *pak);
static int aji_get_roster(struct aji_client *client);
static int aji_client_info_handler(void *data, ikspak *pak);
static int aji_dinfo_handler(void *data, ikspak *pak);
static int aji_ditems_handler(void *data, ikspak *pak);
static int aji_register_query_handler(void *data, ikspak *pak);
static int aji_register_approve_handler(void *data, ikspak *pak);
static int aji_reconnect(struct aji_client *client);
static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid);
/* No transports in this version */
/*
static int aji_create_transport(char *label, struct aji_client *client);
static int aji_register_transport(void *data, ikspak *pak);
static int aji_register_transport2(void *data, ikspak *pak);
*/

static const char debug_usage[] = 
"Usage: jabber debug\n" 
"       Enables dumping of Jabber packets for debugging purposes.\n";

static const char no_debug_usage[] = 
"Usage: jabber debug off\n" 
"       Disables dumping of Jabber packets for debugging purposes.\n";

static const char reload_usage[] = 
"Usage: jabber reload\n" 
"       Enables reloading of Jabber module.\n";

static const char test_usage[] = 
"Usage: jabber test [client]\n" 
"       Sends test message for debugging purposes.  A specific client\n"
"       as configured in jabber.conf can be optionally specified.\n";

static struct ast_cli_entry aji_cli[] = {
   { { "jabber", "debug", NULL},
   aji_do_debug, "Enable Jabber debugging",
   debug_usage },

   { { "jabber", "reload", NULL},
   aji_do_reload, "Enable Jabber debugging",
   reload_usage },

   { { "jabber", "show", "connected", NULL},
   aji_show_clients, "Show state of clients and components",
   debug_usage },

   { { "jabber", "debug", "off", NULL},
   aji_no_debug, "Disable Jabber debug",
   no_debug_usage },

   { { "jabber", "test", NULL},
   aji_test, "Shows roster, but is generally used for mog's debugging.",
   test_usage },
};

static char *app_ajisend = "JabberSend";

static char *ajisend_synopsis = "JabberSend(jabber,screenname,message)";

static char *ajisend_descrip =
"JabberSend(Jabber,ScreenName,Message)\n"
"  Jabber - Client or transport Asterisk uses to connect to Jabber\n" 
"  ScreenName - User Name to message.\n" 
"  Message - Message to be sent to the buddy\n";

static char *app_ajistatus = "JabberStatus";

static char *ajistatus_synopsis = "JabberStatus(Jabber,ScreenName,Variable)";

static char *ajistatus_descrip =
"JabberStatus(Jabber,ScreenName,Variable)\n"
"  Jabber - Client or transport Asterisk uses to connect to Jabber\n"
"  ScreenName - User Name to retrieve status from.\n"
"  Variable - Variable to store presence in will be 1-6.\n" 
"             In order, Online, Chatty, Away, XAway, DND, Offline\n" 
"             If not in roster variable will = 7\n";

struct aji_client_container clients;

struct aji_capabilities *capabilities;

/*! \brief Global flags, initialized to default values */
static struct ast_flags globalflags = { AJI_AUTOPRUNE | AJI_AUTOREGISTER };

/*!
 * \brief Deletes the aji_client data structure.
 * \param obj is the structure we will delete.
 * \return void.
 */
static void aji_client_destroy(struct aji_client *obj)
{
   struct aji_message *tmp;
   ASTOBJ_CONTAINER_DESTROYALL(&obj->buddies, aji_buddy_destroy);
   ASTOBJ_CONTAINER_DESTROY(&obj->buddies);
   iks_filter_delete(obj->f);
   iks_parser_delete(obj->p);
   iks_stack_delete(obj->stack);
   AST_LIST_LOCK(&obj->messages);
   while ((tmp = AST_LIST_REMOVE_HEAD(&obj->messages, list))) {
      if (tmp->from)
         free(tmp->from);
      if (tmp->message)
         free(tmp->message);
   }
   AST_LIST_HEAD_DESTROY(&obj->messages);
   free(obj);
}

/*!
 * \brief Deletes the aji_buddy data structure.
 * \param obj is the structure we will delete.
 * \return void.
 */
static void aji_buddy_destroy(struct aji_buddy *obj)
{
   struct aji_resource *tmp;

   while ((tmp = obj->resources)) {
      obj->resources = obj->resources->next;
      free(tmp->description);
      free(tmp);
   }

   free(obj);
}

static struct aji_version *aji_find_version(char *node, char *version, ikspak *pak)
{
   struct aji_capabilities *list = NULL;
   struct aji_version *res = NULL;

   list = capabilities;

   if(!node)
      node = pak->from->full;
   if(!version)
      version = "none supplied.";
   while(list) {
      if(!strcasecmp(list->node, node)) {
         res = list->versions;
         while(res) {
             if(!strcasecmp(res->version, version))
                return res;
             res = res->next;
         }
         if(!res) {
            res = (struct aji_version *)malloc(sizeof(struct aji_version));
            if(!res) {
               ast_log(LOG_ERROR, "Out of memory!\n");
               return NULL;
            }
            res->jingle = 0;
            res->parent = list;
            ast_copy_string(res->version, version, sizeof(res->version));
            res->next = list->versions;
            list->versions = res;
            return res;
         }
      }
      list = list->next;
   }
   if(!list) {
      list = (struct aji_capabilities *)malloc(sizeof(struct aji_capabilities));
      if(!list) {
         ast_log(LOG_ERROR, "Out of memory!\n");
         return NULL;
      }
      res = (struct aji_version *)malloc(sizeof(struct aji_version));
      if(!res) {
         ast_log(LOG_ERROR, "Out of memory!\n");
         return NULL;
      }
      ast_copy_string(list->node, node, sizeof(list->node));
      ast_copy_string(res->version, version, sizeof(res->version));
      res->jingle = 0;
      res->parent = list;
      res->next = list->versions;
      list->versions = res;
      list->next = capabilities;
      capabilities = list;
   }
   return res;
}

static struct aji_resource *aji_find_resource(struct aji_buddy *buddy, char *name)
{
   struct aji_resource *res = NULL;
   if (!buddy || !name)
      return res;
   res = buddy->resources;
   while (res) {
      if (!strcasecmp(res->resource, name)) {
         break;
      }
      res = res->next;
   }
   return res;
}

static int gtalk_yuck(iks *node)
{
   if (iks_find_with_attrib(node, "c", "node", "http://www.google.com/xmpp/client/caps"))
      return 1;
   return 0;
}

/*!
 * \brief Detects the highest bit in a number.
 * \param Number you want to have evaluated.
 * \return the highest power of 2 that can go into the number.
 */
static int aji_highest_bit(int number)
{
   int x = sizeof(number) * 8 - 1;
   if (!number)
      return 0;
   for (; x > 0; x--) {
      if (number & (1 << x))
         break;
   }
   return (1 << x);
}

static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid)
{
   iks *x, *y;
   x = iks_new("iq");
   iks_insert_attrib(x, "type", "set");
   y = iks_insert(x, "query");
   iks_insert_attrib(y, "xmlns", IKS_NS_AUTH);
   iks_insert_cdata(iks_insert(y, "username"), id->user, 0);
   iks_insert_cdata(iks_insert(y, "resource"), id->resource, 0);
   if (sid) {
      char buf[41];
      char sidpass[100];
      snprintf(sidpass, sizeof(sidpass), "%s%s", sid, pass);
      ast_sha1_hash(buf, sidpass);
      iks_insert_cdata(iks_insert(y, "digest"), buf, 0);
   } else {
      iks_insert_cdata(iks_insert(y, "password"), pass, 0);
   }
   return x;
}

/*!
 * \brief Dial plan function status(). puts the status of watched user 
   into a channel variable.
 * \param channel, and username,watched user, status var
 * \return 0.
 */
static int aji_status_exec(struct ast_channel *chan, void *data)
{
   struct aji_client *client = NULL;
   struct aji_buddy *buddy = NULL;
   struct aji_resource *r = NULL;
   char *s = NULL, *sender = NULL, *jid = NULL, *screenname = NULL, *resource = NULL, *variable = NULL;
   int stat = 7;
   char status[2];
   if (data) {
      s = ast_strdupa((char *) data);
      if (s) {
         sender = strsep(&s, "|");
         if (sender && (sender[0] != '\0')) {
            jid = strsep(&s, "|");
            if (jid && (jid[0] != '\0')) {
               variable = s;
            } else {
               ast_log(LOG_ERROR, "Bad arguments\n");
               return -1;
            }
         }
      }
   } else {
      ast_log(LOG_ERROR, "Out of memory\n");
      return -1;
   }

   if(!strchr(jid, '/')) {
      resource = NULL;
   } else {
      screenname = strsep(&jid, "/");
      resource = jid;
   }
   client = ast_aji_get_client(sender);
   if (!client) {
      ast_log(LOG_WARNING, "Could not find Connection.\n");
      return -1;
   }
   if(!&client->buddies) {
      ast_log(LOG_WARNING, "No buddies for connection.\n");
      return -1;
   }
   buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, (resource)?screenname:jid);
   if (!buddy) {
      ast_log(LOG_WARNING, "Could not find Buddy in list.\n");
      return -1;
   }
   r = aji_find_resource(buddy, resource);
   if(!r && buddy->resources) {
      r = buddy->resources;
   }
   if(!r){
      ast_log(LOG_NOTICE, "Resource %s of buddy %s not found \n", resource, screenname);
   }
   stat = r->status;
   sprintf(status, "%d", stat);
   pbx_builtin_setvar_helper(chan, variable, status);
   return 0;
}

/*!
 * \brief Dial plan function to send a message.
 * \param channel, and data, data is sender, reciever, message.
 * \return 0.
 */
static int aji_send_exec(struct ast_channel *chan, void *data)
{
   struct aji_client *client = NULL;

   char *s = NULL, *sender = NULL, *recipient = NULL, *message = NULL;

   if (!data) {
      ast_log(LOG_ERROR, "Out of memory\n");
      return -1;
   }
   s = ast_strdupa((char *) data);
   if (s) {
      sender = strsep(&s, "|");
      if (sender && (sender[0] != '\0')) {
         recipient = strsep(&s, "|");
         if (recipient && (recipient[0] != '\0')) {
            message = s;
         } else {
            ast_log(LOG_ERROR, "Bad arguments \n");
            return -1;
         }
      }
   }
   if (!(client = ast_aji_get_client(sender))) {
      ast_log(LOG_WARNING, "Could not find Sender.\n");
      return -1;
   }
   if (strchr(recipient, '@') && message)
      ast_aji_send(client, recipient, message);
   return 0;
}

/*!
 * \brief the debug loop.
 * \param aji_client structure, xml data as string, size of string, direction of packet, 1 for inbound 0 for outbound.
 */
static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   manager_event(EVENT_FLAG_USER, "JabberEvent", "Account: %s\r\nPacket: %s", client->name, xmpp);

   if (client->debug) {
      if (is_incoming)
         ast_verbose("\nJABBER: %s INCOMING: %s\n", client->name, xmpp);
      else {
         if( strlen(xmpp) == 1) {
            if(option_debug > 2  && xmpp[0] == ' ')
            ast_verbose("\nJABBER: Keep alive packet\n");
         } else
            ast_verbose("\nJABBER: %s OUTGOING: %s\n", client->name, xmpp);
      }

   }
   ASTOBJ_UNREF(client, aji_client_destroy);
}

/*!
 * \brief The action hook parses the inbound packets, constantly running.
 * \param aji client structure, type of packet, the actual packet.
 * \return IKS_OK or IKS_HOOK .
 */
static int aji_act_hook(void *data, int type, iks *node)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   ikspak *pak = NULL;
   iks *auth = NULL;

   if(!node) {
      ast_log(LOG_ERROR, "aji_act_hook was called with out a packet\n"); /* most likely cause type is IKS_NODE_ERROR lost connection */
      ASTOBJ_UNREF(client, aji_client_destroy);
      return IKS_HOOK;
   }

   pak = iks_packet(node);

   if (!client->component) { /*client */
      switch (type) {
      case IKS_NODE_START:
         if (client->usetls && !iks_is_secure(client->p)) {
            if (iks_has_tls())
               iks_start_tls(client->p);
            else
               ast_log(LOG_ERROR, "gnuTLS not installed.\n");
            break;
         }
         if (!client->usesasl) {
            iks_filter_add_rule(client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, client->mid, IKS_RULE_DONE);
            auth = jabber_make_auth(client->jid, client->password, iks_find_attrib(node, "id"));
            if (auth) {
               iks_insert_attrib(auth, "id", client->mid);
               iks_insert_attrib(auth, "to", client->jid->server);
               ast_aji_increment_mid(client->mid);
               iks_send(client->p, auth);
               iks_delete(auth);
            } else
               ast_log(LOG_ERROR, "Out of memory.\n");
         }
         break;

      case IKS_NODE_NORMAL:
         {
            int features = 0;
            if (!strcmp("stream:features", iks_name(node))) {
               features = iks_stream_features(node);
               if (client->usesasl) {
                  if (client->usetls && !iks_is_secure(client->p))
                     break;
                  if (client->authorized) {
                     if (features & IKS_STREAM_BIND) {
                        iks_filter_add_rule (client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_DONE);
                        auth = iks_make_resource_bind(client->jid);
                        if (auth) {
                           iks_insert_attrib(auth, "id", client->mid);
                           ast_aji_increment_mid(client->mid);
                           iks_send(client->p, auth);
                           iks_delete(auth);
                        } else {
                           ast_log(LOG_ERROR, "Out of memory.\n");
                           break;
                        }
                     }
                     if (features & IKS_STREAM_SESSION) {
                        iks_filter_add_rule (client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, "auth", IKS_RULE_DONE);
                        auth = iks_make_session();
                        if (auth) {
                           iks_insert_attrib(auth, "id", "auth");
                           ast_aji_increment_mid(client->mid);
                           iks_send(client->p, auth);
                           iks_delete(auth);
                        } else {
                           ast_log(LOG_ERROR, "Out of memory.\n");
                        }
                     }
                  } else {
                     features = aji_highest_bit(features);
                     if (features == IKS_STREAM_SASL_MD5)
                        iks_start_sasl(client->p, IKS_SASL_DIGEST_MD5, client->jid->user, client->password);
                     else {
                        if (features == IKS_STREAM_SASL_PLAIN) {
                           iks *x = NULL;
                           x = iks_new("auth");
                           if (x) {
                              int len = strlen(client->jid->user) + strlen(client->password) + 3;
                              /* XXX Check return values XXX */
                              char *s = ast_malloc(80 + len);
                              char *base64 = ast_malloc(80 + len * 2);

                              iks_insert_attrib(x, "xmlns", IKS_NS_XMPP_SASL);
                              iks_insert_attrib(x, "mechanism", "PLAIN");
                              sprintf(s, "%c%s%c%s", 0, client->jid->user, 0, client->password);
                              ast_base64encode(base64, (const unsigned char *) s, len, len * 2);
                              iks_insert_cdata(x, base64, 0);
                              iks_send(client->p, x);
                              iks_delete(x);
                              if (base64)
                                 free(base64);
                              if (s)
                                 free(s);
                           } else {
                              ast_log(LOG_ERROR, "Out of memory.\n");
                           }
                        }
                     }
                  }
               }
            } else if (!strcmp("failure", iks_name(node))) {
               ast_log(LOG_ERROR, "JABBER: encryption failure. possible bad password.\n");
            } else if (!strcmp("success", iks_name(node))) {
               client->authorized = 1;
               iks_send_header(client->p, client->jid->server);
            }
            break;
         }
      case IKS_NODE_ERROR: 
            ast_log(LOG_ERROR, "JABBER: Node Error\n");
            ASTOBJ_UNREF(client, aji_client_destroy);
            return IKS_HOOK;
            break;
      case IKS_NODE_STOP: 
            ast_log(LOG_WARNING, "JABBER: Disconnected\n");
            ASTOBJ_UNREF(client, aji_client_destroy);
            return IKS_HOOK;
            break;
      }
   } else if (client->state != AJI_CONNECTED && client->component) {
      switch (type) {
      case IKS_NODE_START:
         if (client->state == AJI_DISCONNECTED) {
            char secret[160], shasum[320], *handshake;

            sprintf(secret, "%s%s", pak->id, client->password);
            ast_sha1_hash(shasum, secret);
            handshake = NULL;
            asprintf(&handshake, "<handshake>%s</handshake>", shasum);
            if (handshake) {
               iks_send_raw(client->p, handshake);
               free(handshake);
               handshake = NULL;
            }
            client->state = AJI_CONNECTING;
            if(iks_recv(client->p,1) == 2) /*XXX proper result for iksemel library on iks_recv of <handshake/> XXX*/
               client->state = AJI_CONNECTED;
            else
               ast_log(LOG_WARNING,"Jabber didn't seem to handshake, failed to authenicate.\n");
            break;
         }
         break;

      case IKS_NODE_NORMAL:
         break;

      case IKS_NODE_ERROR:
         ast_log(LOG_ERROR, "JABBER: Node Error\n");
         ASTOBJ_UNREF(client, aji_client_destroy);
         return IKS_HOOK;

      case IKS_NODE_STOP:
         ast_log(LOG_WARNING, "JABBER: Disconnected\n");
         ASTOBJ_UNREF(client, aji_client_destroy);
         return IKS_HOOK;
      }
   }

   switch (pak->type) {
   case IKS_PAK_NONE:
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Don't know what to do with you NONE\n");
      break;
   case IKS_PAK_MESSAGE:
      aji_handle_message(client, pak);
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Don't know what to do with you MESSAGE\n");
      break;
   case IKS_PAK_PRESENCE:
      aji_handle_presence(client, pak);
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Do know how to handle presence!!\n");
      break;
   case IKS_PAK_S10N:
      aji_handle_subscribe(client, pak);
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Dont know S10N subscribe!!\n");
      break;
   case IKS_PAK_IQ:
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Dont have an IQ!!!\n");
      aji_handle_iq(client, node);
      break;
   default:
      if (option_debug)
         ast_log(LOG_DEBUG, "JABBER: I Dont know %i\n", pak->type);
      break;
   }
   
   iks_filter_packet(client->f, pak);

   if (node)
      iks_delete(node);

   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_OK;
}

static int aji_register_approve_handler(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   iks *iq = NULL, *presence = NULL, *x = NULL;

   iq = iks_new("iq");
   presence = iks_new("presence");
   x = iks_new("x");
   if (client && iq && presence && x) {
      if (!iks_find(pak->query, "remove")) {
         iks_insert_attrib(iq, "from", client->jid->full);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_send(client->p, iq);

         iks_insert_attrib(presence, "from", client->jid->full);
         iks_insert_attrib(presence, "to", pak->from->partial);
         iks_insert_attrib(presence, "id", client->mid);
         ast_aji_increment_mid(client->mid);
         iks_insert_attrib(presence, "type", "subscribe");
         iks_insert_attrib(x, "xmlns", "vcard-temp:x:update");
         iks_insert_node(presence, x);
         iks_send(client->p, presence); 
      }
   } else {
      ast_log(LOG_ERROR, "Out of memory.\n");
   }

   if (iq)
      iks_delete(iq);
   if(presence)
      iks_delete(presence);
   if (x)
      iks_delete(x);
   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}

static int aji_register_query_handler(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   struct aji_buddy *buddy = NULL; 
   char *node = NULL;

   client = (struct aji_client *) data;

   buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
   if (!buddy) {
      iks *iq = NULL, *query = NULL, *error = NULL, *notacceptable = NULL;

      ast_verbose("Someone.... %s tried to register but they aren't allowed\n", pak->from->partial);
      iq = iks_new("iq");
      query = iks_new("query");
      error = iks_new("error");
      notacceptable = iks_new("not-acceptable");
      if(iq && query && error && notacceptable) {
         iks_insert_attrib(iq, "type", "error");
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(query, "xmlns", "jabber:iq:register");
         iks_insert_attrib(error, "code" , "406");
         iks_insert_attrib(error, "type", "modify");
         iks_insert_attrib(notacceptable, "xmlns", "urn:ietf:params:xml:ns:xmpp-stanzas");
         iks_insert_node(iq, query);
         iks_insert_node(iq, error);
         iks_insert_node(error, notacceptable);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (error)
         iks_delete(error);
      if (notacceptable)
         iks_delete(notacceptable);
   } else   if (!(node = iks_find_attrib(pak->query, "node"))) {
      iks *iq = NULL, *query = NULL, *instructions = NULL;
      char *explain = "Welcome to Asterisk - the Open Source PBX.\n";
      iq = iks_new("iq");
      query = iks_new("query");
      instructions = iks_new("instructions");
      if (iq && query && instructions && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "jabber:iq:register");
         iks_insert_cdata(instructions, explain, 0);
         iks_insert_node(iq, query);
         iks_insert_node(query, instructions);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (instructions)
         iks_delete(instructions);
   }
   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}

static int aji_ditems_handler(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   char *node = NULL;

   if (!(node = iks_find_attrib(pak->query, "node"))) {
      iks *iq = NULL, *query = NULL, *item = NULL;
      iq = iks_new("iq");
      query = iks_new("query");
      item = iks_new("item");

      if (iq && query && item) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
         iks_insert_attrib(item, "node", "http://jabber.org/protocol/commands");
         iks_insert_attrib(item, "name", "Million Dollar Asterisk Commands");
         iks_insert_attrib(item, "jid", client->user);

         iks_insert_node(iq, query);
         iks_insert_node(query, item);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (item)
         iks_delete(item);

   } else if (!strcasecmp(node, "http://jabber.org/protocol/commands")) {
      iks *iq, *query, *confirm;
      iq = iks_new("iq");
      query = iks_new("query");
      confirm = iks_new("item");
      if (iq && query && confirm && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
         iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands");
         iks_insert_attrib(confirm, "node", "confirmaccount");
         iks_insert_attrib(confirm, "name", "Confirm AIM account");
         iks_insert_attrib(confirm, "jid", "blog.astjab.org");

         iks_insert_node(iq, query);
         iks_insert_node(query, confirm);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (confirm)
         iks_delete(confirm);

   } else if (!strcasecmp(node, "confirmaccount")) {
      iks *iq = NULL, *query = NULL, *feature = NULL;

      iq = iks_new("iq");
      query = iks_new("query");
      feature = iks_new("feature");

      if (iq && query && feature && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
         iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands");
         iks_insert_node(iq, query);
         iks_insert_node(query, feature);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (feature)
         iks_delete(feature);
   }

   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;

}

static int aji_client_info_handler(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   struct aji_resource *resource = NULL;
   struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);

   resource = aji_find_resource(buddy, pak->from->resource);
   if (pak->subtype == IKS_TYPE_RESULT) {
      if (!resource) {
         ast_log(LOG_NOTICE,"JABBER: Received client info from %s when not requested.\n", pak->from->full);
         ASTOBJ_UNREF(client, aji_client_destroy);
         return IKS_FILTER_EAT;
      }
      if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) {
         resource->cap->jingle = 1;
      } else
         resource->cap->jingle = 0;
   } else if (pak->subtype == IKS_TYPE_GET) {
      iks *iq, *disco, *ident, *google, *query;
      iq = iks_new("iq");
      query = iks_new("query");
      ident = iks_new("identity");
      disco = iks_new("feature");
      google = iks_new("feature");
      if (iq && ident && disco && google) {
         iks_insert_attrib(iq, "from", client->jid->full);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
         iks_insert_attrib(ident, "category", "client");
         iks_insert_attrib(ident, "type", "pc");
         iks_insert_attrib(ident, "name", "asterisk");
         iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco#info");
         iks_insert_attrib(google, "var", "http://www.google.com/xmpp/protocol/voice/v1");
         iks_insert_node(iq, query);
         iks_insert_node(query, ident);
         iks_insert_node(query, google);
         iks_insert_node(query, disco);
         iks_send(client->p, iq);
      } else
         ast_log(LOG_ERROR, "Out of Memory.\n");
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (ident)
         iks_delete(ident);
      if (google)
         iks_delete(google);
      if (disco)
         iks_delete(disco);
   } else if (pak->subtype == IKS_TYPE_ERROR) {
      ast_log(LOG_NOTICE, "User %s does not support discovery.\n", pak->from->full);
   }
   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}

static int aji_dinfo_handler(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   char *node = NULL;
   struct aji_resource *resource = NULL;
   struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);

   resource = aji_find_resource(buddy, pak->from->resource);
   if (pak->subtype == IKS_TYPE_ERROR) {
      ast_log(LOG_WARNING, "Recieved error from a client, turn on jabber debug!\n");
      return IKS_FILTER_EAT;
   }
   if (pak->subtype == IKS_TYPE_RESULT) {
      if (!resource) {
         ast_log(LOG_NOTICE,"JABBER: Received client info from %s when not requested.\n", pak->from->full);
         ASTOBJ_UNREF(client, aji_client_destroy);
         return IKS_FILTER_EAT;
      }
      if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) {
         resource->cap->jingle = 1;
      } else
         resource->cap->jingle = 0;
   } else if (pak->subtype == IKS_TYPE_GET && !(node = iks_find_attrib(pak->query, "node"))) {
      iks *iq, *query, *identity, *disco, *reg, *commands, *gateway, *version, *vcard, *search;

      iq = iks_new("iq");
      query = iks_new("query");
      identity = iks_new("identity");
      disco = iks_new("feature");
      reg = iks_new("feature");
      commands = iks_new("feature");
      gateway = iks_new("feature");
      version = iks_new("feature");
      vcard = iks_new("feature");
      search = iks_new("feature");

      if (iq && query && identity && disco && reg && commands && gateway && version && vcard && search && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
         iks_insert_attrib(identity, "category", "gateway");
         iks_insert_attrib(identity, "type", "pstn");
         iks_insert_attrib(identity, "name", "Asterisk The Open Source PBX");
         iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco");
         iks_insert_attrib(reg, "var", "jabber:iq:register");
         iks_insert_attrib(commands, "var", "http://jabber.org/protocol/commands");
         iks_insert_attrib(gateway, "var", "jabber:iq:gateway");
         iks_insert_attrib(version, "var", "jabber:iq:version");
         iks_insert_attrib(vcard, "var", "vcard-temp");
         iks_insert_attrib(search, "var", "jabber:iq:search");

         iks_insert_node(iq, query);
         iks_insert_node(query, identity);
         iks_insert_node(query, disco);
         iks_insert_node(query, reg);
         iks_insert_node(query, commands);
         iks_insert_node(query, gateway);
         iks_insert_node(query, version);
         iks_insert_node(query, vcard);
         iks_insert_node(query, search);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }

      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (identity)
         iks_delete(identity);
      if (disco)
         iks_delete(disco);
      if (reg)
         iks_delete(reg);
      if (commands)
         iks_delete(commands);
      if (gateway)
         iks_delete(gateway);
      if (version)
         iks_delete(version);
      if (vcard)
         iks_delete(vcard);
      if (search)
         iks_delete(search);

   } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "http://jabber.org/protocol/commands")) {
      iks *iq, *query, *confirm;
      iq = iks_new("iq");
      query = iks_new("query");
      confirm = iks_new("item");

      if (iq && query && confirm && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
         iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands");
         iks_insert_attrib(confirm, "node", "confirmaccount");
         iks_insert_attrib(confirm, "name", "Confirm AIM account");
         iks_insert_attrib(confirm, "jid", client->user);
         iks_insert_node(iq, query);
         iks_insert_node(query, confirm);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (confirm)
         iks_delete(confirm);

   } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "confirmaccount")) {
      iks *iq, *query, *feature;

      iq = iks_new("iq");
      query = iks_new("query");
      feature = iks_new("feature");

      if (iq && query && feature && client) {
         iks_insert_attrib(iq, "from", client->user);
         iks_insert_attrib(iq, "to", pak->from->full);
         iks_insert_attrib(iq, "id", pak->id);
         iks_insert_attrib(iq, "type", "result");
         iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
         iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands");
         iks_insert_node(iq, query);
         iks_insert_node(query, feature);
         iks_send(client->p, iq);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (iq)
         iks_delete(iq);
      if (query)
         iks_delete(query);
      if (feature)
         iks_delete(feature);
   }

   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}

/*!
 * \brief Handles <iq> tags.
 * \param client structure and the iq node.
 * \return void.
 */
static void aji_handle_iq(struct aji_client *client, iks *node)
{
   /*Nothing to see here */
}

/*!
 * \brief Handles presence packets.
 * \param client structure and the node.
 * \return void.
 */
static void aji_handle_message(struct aji_client *client, ikspak *pak)
{
   struct aji_message *insert, *tmp;
   int flag = 0;
   
   if (!(insert = ast_calloc(1, sizeof(struct aji_message))))
      return;
   time(&insert->arrived);
   if (iks_find_cdata(pak->x, "body"))
      insert->message = ast_strdup(iks_find_cdata(pak->x, "body"));
   if(pak->id)
      ast_copy_string(insert->id, pak->id, sizeof(insert->message));
   if (pak->from)
      insert->from = ast_strdup(pak->from->full);
   AST_LIST_LOCK(&client->messages);
   AST_LIST_TRAVERSE_SAFE_BEGIN(&client->messages, tmp, list) {
      if (flag) {
         AST_LIST_REMOVE_CURRENT(&client->messages, list);
         if (tmp->from)
            free(tmp->from);
         if (tmp->message)
            free(tmp->message);
      } else if (difftime(time(NULL), tmp->arrived) >= client->message_timeout) {
         flag = 1;
         AST_LIST_REMOVE_CURRENT(&client->messages, list);
         if (tmp->from)
            free(tmp->from);
         if (tmp->message)
            free(tmp->message);
      }
   }
   AST_LIST_TRAVERSE_SAFE_END;
   AST_LIST_INSERT_HEAD(&client->messages, insert, list);
   AST_LIST_UNLOCK(&client->messages);
}

static void aji_handle_presence(struct aji_client *client, ikspak *pak)
{
   int status, priority;
   struct aji_buddy *buddy;
   struct aji_resource *tmp = NULL, *last = NULL, *found = NULL;
   char *ver, *node, *descrip, *type;
   
   if(client->state != AJI_CONNECTED)
      aji_create_buddy(pak->from->partial, client);

   buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
   if (!buddy) {
      ast_log(LOG_NOTICE, "Got presence packet from %s, someone not in our roster!!!!\n", pak->from->partial);
      return;
   }
   type = iks_find_attrib(pak->x, "type");
   if(client->component && type &&!strcasecmp("probe", type)) {
      aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), 1, client->statusmessage);
      ast_verbose("what i was looking for \n");
   }
   ASTOBJ_WRLOCK(buddy);
   status = (pak->show) ? pak->show : 6;
   priority = atoi((iks_find_cdata(pak->x, "priority")) ? iks_find_cdata(pak->x, "priority") : "0");
   tmp = buddy->resources;
   descrip = ast_strdup(iks_find_cdata(pak->x,"status"));

   while (tmp) {
      if (!strcasecmp(tmp->resource, pak->from->resource)) {
         tmp->status = status;
         if (tmp->description) free(tmp->description);
         tmp->description = descrip;
         found = tmp;
         if (status == 6) {   /* Sign off Destroy resource */
            if (last && found->next) {
               last->next = found->next;
            } else if (!last) {
               if (found->next)
                  buddy->resources = found->next;
               else
                  buddy->resources = NULL;
            } else if (!found->next) {
               if (last)
                  last->next = NULL;
               else
                  buddy->resources = NULL;
            }
            free(found);
            found = NULL;
            break;
         }
         if (tmp->priority != priority) {
            found->priority = priority;
            if (!last && !found->next)
               break;
            if (last)
               last->next = found->next;
            else
               buddy->resources = found->next;
            last = NULL;
            tmp = buddy->resources;
            if (!buddy->resources)
               buddy->resources = found;
            while (tmp) {
               if (found->priority > tmp->priority) {
                  if (last)
                     last->next = found;
                  found->next = tmp;
                  if (!last)
                     buddy->resources = found;
                  break;
               }
               if (!tmp->next) {
                  tmp->next = found;
                  break;
               }
               last = tmp;
               tmp = tmp->next;
            }
         }
         break;
      }
      last = tmp;
      tmp = tmp->next;
   }

   if (!found && status != 6) {
      found = (struct aji_resource *) malloc(sizeof(struct aji_resource));
      memset(found, 0, sizeof(struct aji_resource));

      if (!found) {
         ast_log(LOG_ERROR, "Out of memory!\n");
         return;
      }
      ast_copy_string(found->resource, pak->from->resource, sizeof(found->resource));
      found->status = status;
      found->description = descrip;
      found->priority = priority;
      found->next = NULL;
      last = NULL;
      tmp = buddy->resources;
      while (tmp) {
         if (found->priority > tmp->priority) {
            if (last)
               last->next = found;
            found->next = tmp;
            if (!last)
               buddy->resources = found;
            break;
         }
         if (!tmp->next) {
            tmp->next = found;
            break;
         }
         last = tmp;
         tmp = tmp->next;
      }
      if (!tmp)
         buddy->resources = found;
   }
   ASTOBJ_UNLOCK(buddy);
   ASTOBJ_UNREF(buddy, aji_buddy_destroy);

   node = iks_find_attrib(iks_find(pak->x, "c"), "node");
   ver = iks_find_attrib(iks_find(pak->x, "c"), "ver");

   if(status !=6 && !found->cap) {
      found->cap = aji_find_version(node, ver, pak);
      if(gtalk_yuck(pak->x)) /* gtalk should do discover */
         found->cap->jingle = 1;
      if(found->cap->jingle && option_debug > 4) {
         if (option_debug)
            ast_log(LOG_DEBUG,"Special case for google till they support discover.\n");
      }
      else {
         iks *iq, *query;
         iq = iks_new("iq");
         query = iks_new("query");
         if(query && iq)  {
            iks_insert_attrib(iq, "type", "get");
            iks_insert_attrib(iq, "to", pak->from->full);
            iks_insert_attrib(iq,"from",iks_find_attrib(pak->x,"to"));
            iks_insert_attrib(iq, "id", client->mid);
            ast_aji_increment_mid(client->mid);
            iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
            iks_insert_node(iq, query);
            iks_send(client->p, iq);
            
         } else
            ast_log(LOG_ERROR, "Out of memory.\n");
         if(query)
            iks_delete(query);
         if(iq)
            iks_delete(iq);
      }
   }
   if (option_verbose > 4) {
      switch (pak->subtype) {
      case IKS_TYPE_AVAILABLE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: I am available ^_* %i\n", pak->subtype);
         break;
      case IKS_TYPE_UNAVAILABLE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: I am unavailable ^_* %i\n", pak->subtype);
         break;
      default:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: Ohh sexy and the wrong type: %i\n", pak->subtype);
      }
      switch (pak->show) {
      case IKS_SHOW_UNAVAILABLE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
         break;
      case IKS_SHOW_AVAILABLE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type is available\n");
         break;
      case IKS_SHOW_CHAT:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
         break;
      case IKS_SHOW_AWAY:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type is away\n");
         break;
      case IKS_SHOW_XA:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
         break;
      case IKS_SHOW_DND:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
         break;
      default:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: Kinky! how did that happen %i\n", pak->show);
      }
   }
}

/*!
 * \brief handles subscription requests.
 * \param aji_client struct and xml packet.
 * \return void.
 */
static void aji_handle_subscribe(struct aji_client *client, ikspak *pak)
{
   if(pak->subtype == IKS_TYPE_SUBSCRIBE) { 
      iks *presence = NULL, *status = NULL;
      presence = iks_new("presence");
      status = iks_new("status");
      if(presence && status) {
         iks_insert_attrib(presence, "type", "subscribed");
         iks_insert_attrib(presence, "to", pak->from->full);
         iks_insert_attrib(presence, "from", iks_find_attrib(pak->x, "to"));
         if(pak->id)
            iks_insert_attrib(presence, "id", pak->id);
         iks_insert_cdata(status, "Asterisk has approved subscription", 0);
         iks_insert_node(presence, status);
         iks_send(client->p, presence);
      } else
         ast_log(LOG_ERROR, "Unable to allocate nodes\n");
      if(presence)
         iks_delete(presence);
      if(status)
         iks_delete(status);
      if(client->component)
         aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), 1, client->statusmessage);
   }
   if (option_verbose > 4) {
      switch (pak->subtype) {
      case IKS_TYPE_SUBSCRIBE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
         break;
      case IKS_TYPE_SUBSCRIBED:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
         break;
      case IKS_TYPE_UNSUBSCRIBE:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
         break;
      case IKS_TYPE_UNSUBSCRIBED:
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
         break;
      default:          /*IKS_TYPE_ERROR: */
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
         break;
      }
   }
}

/*!
 * \brief sends messages.
 * \param aji_client struct , reciever, message.
 * \return 1.
 */
int ast_aji_send(struct aji_client *client, const char *address, const char *message)
{
   int res = 0;
   iks *message_packet = NULL;
   if (client->state == AJI_CONNECTED) {
      message_packet = iks_make_msg(IKS_TYPE_CHAT, address, message);
      if (message_packet) {
         iks_insert_attrib(message_packet, "from", client->jid->full);
         res = iks_send(client->p, message_packet);
      } else {
         ast_log(LOG_ERROR, "Out of memory.\n");
      }
      if (message_packet)
         iks_delete(message_packet);
   } else
      ast_log(LOG_WARNING, "JABBER: Not connected can't send\n");
   return 1;
}

/*!
 * \brief create a chatroom.
 * \param aji_client struct , room, server, topic for the room.
 * \return 0.
 */
int ast_aji_create_chat(struct aji_client *client, char *room, char *server, char *topic)
{
   int res = 0;
   iks *iq = NULL;
   iq = iks_new("iq");
   if (iq && client) {
      iks_insert_attrib(iq, "type", "get");
      iks_insert_attrib(iq, "to", server);
      iks_insert_attrib(iq, "id", client->mid);
      ast_aji_increment_mid(client->mid);
      iks_send(client->p, iq);
   } else 
      ast_log(LOG_ERROR, "Out of memory.\n");
   return res;
}

/*!
 * \brief join a chatroom.
 * \param aji_client struct , room.
 * \return res.
 */
int ast_aji_join_chat(struct aji_client *client, char *room)
{
   int res = 0;
   iks *presence = NULL, *priority = NULL;
   presence = iks_new("presence");
   priority = iks_new("priority");
   if (presence && priority && client) {
      iks_insert_cdata(priority, "0", 1);
      iks_insert_attrib(presence, "to", room);
      iks_insert_node(presence, priority);
      res = iks_send(client->p, presence);
      iks_insert_cdata(priority, "5", 1);
      iks_insert_attrib(presence, "to", room);
      res = iks_send(client->p, presence);
   } else 
      ast_log(LOG_ERROR, "Out of memory.\n");
   if (presence)
      iks_delete(presence);
   if (priority)
      iks_delete(priority);
   return res;
}

/*!
 * \brief invite to a chatroom.
 * \param aji_client struct ,user, room, message.
 * \return res.
 */
int ast_aji_invite_chat(struct aji_client *client, char *user, char *room, char *message)
{
   int res = 0;
   iks *invite, *body, *namespace;

   invite = iks_new("message");
   body = iks_new("body");
   namespace = iks_new("x");
   if (client && invite && body && namespace) {
      iks_insert_attrib(invite, "to", user);
      iks_insert_attrib(invite, "id", client->mid);
      ast_aji_increment_mid(client->mid);
      iks_insert_cdata(body, message, 0);
      iks_insert_attrib(namespace, "xmlns", "jabber:x:conference");
      iks_insert_attrib(namespace, "jid", room);
      iks_insert_node(invite, body);
      iks_insert_node(invite, namespace);
      res = iks_send(client->p, invite);
   } else 
      ast_log(LOG_ERROR, "Out of memory.\n");
   if (body)
      iks_delete(body);
   if (namespace)
      iks_delete(namespace);
   if (invite)
      iks_delete(invite);
   return res;
}


/*!
 * \brief receive message loop.
 * \param aji_client struct.
 * \return void.
 */
static void *aji_recv_loop(void *data)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   int res = IKS_HOOK;
   do {
      if (res != IKS_OK) {
         while(res != IKS_OK) {
            if(option_verbose > 3)
               ast_verbose("JABBER: reconnecting.\n");
            res = aji_reconnect(client);
            sleep(4);
         }
      }

      res = iks_recv(client->p, 1);
      client->timeout--;
      if (res == IKS_HOOK) 
         ast_log(LOG_WARNING, "JABBER: Got hook event.\n");
      else if (res == IKS_NET_TLSFAIL)
         ast_log(LOG_WARNING, "JABBER:  Failure in TLS.\n");
      else if (client->timeout == 0 && client->state == AJI_CONNECTED) {
         res = iks_send_raw(client->p, " ");
         if(res == IKS_OK)
            client->timeout = 50;
         else
            ast_log(LOG_WARNING, "JABBER:  Network Timeout\n");
      } else if (res == IKS_NET_RWERR)
         ast_log(LOG_WARNING, "JABBER: socket read error\n");
   } while (client);
   ASTOBJ_UNREF(client, aji_client_destroy);
   return 0;
}

/*!
 * \brief increments the mid field for messages and other events.
 * \param message id.
 * \return void.
 */
void ast_aji_increment_mid(char *mid)
{
   int i = 0;

   for (i = strlen(mid) - 1; i >= 0; i--) {
      if (mid[i] != 'z') {
         mid[i] = mid[i] + 1;
         i = 0;
      } else
         mid[i] = 'a';
   }
}


/*!
 * \brief attempts to register to a transport.
 * \param aji_client struct, and xml packet.
 * \return IKS_FILTER_EAT.
 */
/*allows for registering to transport , was too sketch and is out for now. */
/*static int aji_register_transport(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   int res = 0;
   struct aji_buddy *buddy = NULL;
   iks *send = iks_make_iq(IKS_TYPE_GET, "jabber:iq:register");

   if (client && send) {
      ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
         ASTOBJ_RDLOCK(iterator); 
         if (iterator->btype == AJI_TRANS) {
              buddy = iterator;
         }
         ASTOBJ_UNLOCK(iterator);
      });
      iks_filter_remove_hook(client->f, aji_register_transport);
      iks_filter_add_rule(client->f, aji_register_transport2, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_NS, IKS_NS_REGISTER, IKS_RULE_DONE);
      iks_insert_attrib(send, "to", buddy->host);
      iks_insert_attrib(send, "id", client->mid);
      ast_aji_increment_mid(client->mid);
      iks_insert_attrib(send, "from", client->user);
      res = iks_send(client->p, send);
   } else 
      ast_log(LOG_ERROR, "Out of memory.\n");

   if (send)
      iks_delete(send);
   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;

}
*/
/*!
 * \brief attempts to register to a transport step 2.
 * \param aji_client struct, and xml packet.
 * \return IKS_FILTER_EAT.
 */
/* more of the same blob of code, too wonky for now*/
/* static int aji_register_transport2(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   int res = 0;
   struct aji_buddy *buddy = NULL;

   iks *regiq = iks_new("iq");
   iks *regquery = iks_new("query");
   iks *reguser = iks_new("username");
   iks *regpass = iks_new("password");

   if (client && regquery && reguser && regpass && regiq) {
      ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
         ASTOBJ_RDLOCK(iterator);
         if (iterator->btype == AJI_TRANS)
            buddy = iterator; ASTOBJ_UNLOCK(iterator);
      });
      iks_filter_remove_hook(client->f, aji_register_transport2);
      iks_insert_attrib(regiq, "to", buddy->host);
      iks_insert_attrib(regiq, "type", "set");
      iks_insert_attrib(regiq, "id", client->mid);
      ast_aji_increment_mid(client->mid);
      iks_insert_attrib(regiq, "from", client->user);
      iks_insert_attrib(regquery, "xmlns", "jabber:iq:register");
      iks_insert_cdata(reguser, buddy->user, 0);
      iks_insert_cdata(regpass, buddy->pass, 0);
      iks_insert_node(regiq, regquery);
      iks_insert_node(regquery, reguser);
      iks_insert_node(regquery, regpass);
      res = iks_send(client->p, regiq);
   } else
      ast_log(LOG_ERROR, "Out of memory.\n");
   if (regiq)
      iks_delete(regiq);
   if (regquery)
      iks_delete(regquery);
   if (reguser)
      iks_delete(reguser);
   if (regpass)
      iks_delete(regpass);
   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}
*/
/*!
 * \brief goes through roster and prunes users not needed in list, or adds them accordingly.
 * \param aji_client struct.
 * \return void.
 */
static void aji_pruneregister(struct aji_client *client)
{
   int res = 0;
   iks *removeiq = iks_new("iq");
   iks *removequery = iks_new("query");
   iks *removeitem = iks_new("item");
   iks *send = iks_make_iq(IKS_TYPE_GET, "http://jabber.org/protocol/disco#items");

   if (client && removeiq && removequery && removeitem && send) {
      iks_insert_node(removeiq, removequery);
      iks_insert_node(removequery, removeitem);
      ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
         ASTOBJ_RDLOCK(iterator);
         /* For an aji_buddy, both AUTOPRUNE and AUTOREGISTER will never
          * be called at the same time */
         if (ast_test_flag(iterator, AJI_AUTOPRUNE)) {
            res = iks_send(client->p, iks_make_s10n(IKS_TYPE_UNSUBSCRIBE, iterator->name,
                  "GoodBye your status is no longer needed by Asterisk the Open Source PBX"
                  " so I am no longer subscribing to your presence.\n"));
            res = iks_send(client->p, iks_make_s10n(IKS_TYPE_UNSUBSCRIBED, iterator->name,
                  "GoodBye you are no longer in the asterisk config file so I am removing"
                  " your access to my presence.\n"));
            iks_insert_attrib(removeiq, "from", client->jid->full); 
            iks_insert_attrib(removeiq, "type", "set"); 
            iks_insert_attrib(removequery, "xmlns", "jabber:iq:roster");
            iks_insert_attrib(removeitem, "jid", iterator->name);
            iks_insert_attrib(removeitem, "subscription", "remove");
            res = iks_send(client->p, removeiq);
         } else if (ast_test_flag(iterator, AJI_AUTOREGISTER)) {
            res = iks_send(client->p, iks_make_s10n(IKS_TYPE_SUBSCRIBE, iterator->name, 
                  "Greetings I am the Asterisk Open Source PBX and I want to subscribe to your presence\n"));
            ast_clear_flag(iterator, AJI_AUTOREGISTER);
         }
         ASTOBJ_UNLOCK(iterator);
      });
   } else
      ast_log(LOG_ERROR, "Out of memory.\n");
   if (removeiq)
      iks_delete(removeiq);
   if (removequery)
      iks_delete(removequery);
   if (removeitem)
      iks_delete(removeitem);
   if (send)
      iks_delete(send);
   ASTOBJ_CONTAINER_PRUNE_MARKED(&client->buddies, aji_buddy_destroy);
}

/*!
 * \brief filters the roster packet we get back from server.
 * \param aji_client struct, and xml packet.
 * \return IKS_FILTER_EAT.
 */
static int aji_filter_roster(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   int flag = 0;
   iks *x = NULL;
   struct aji_buddy *buddy;
   
   client->state = AJI_CONNECTED;
   ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
      ASTOBJ_RDLOCK(iterator);
      x = iks_child(pak->query);
      flag = 0;
      while (x) {
         if (!iks_strcmp(iks_name(x), "item")) {
            if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid"))) {
               flag = 1;
               ast_clear_flag(iterator, AJI_AUTOPRUNE | AJI_AUTOREGISTER);
            }
         }
         x = iks_next(x);
      }
      if (!flag)
         ast_copy_flags(iterator, client, AJI_AUTOREGISTER);
      if (x)
         iks_delete(x);
      ASTOBJ_UNLOCK(iterator);
   });

   x = iks_child(pak->query);
   while (x) {
      flag = 0;
      if (iks_strcmp(iks_name(x), "item") == 0) {
         ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
            ASTOBJ_RDLOCK(iterator);
            if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid")))
               flag = 1;
            ASTOBJ_UNLOCK(iterator);
         });

         if (!flag) {
            buddy = (struct aji_buddy *) malloc(sizeof(struct aji_buddy));
            if (!buddy) {
               ast_log(LOG_WARNING, "Out of memory\n");
               return 0;
            }
            memset(buddy, 0, sizeof(struct aji_buddy));
            ASTOBJ_INIT(buddy);
            ASTOBJ_WRLOCK(buddy);
            ast_copy_string(buddy->name, iks_find_attrib(x, "jid"), sizeof(buddy->name));
            ast_clear_flag(buddy, AST_FLAGS_ALL);
            if(ast_test_flag(client, AJI_AUTOPRUNE)) {
               ast_set_flag(buddy, AJI_AUTOPRUNE);
               buddy->objflags |= ASTOBJ_FLAG_MARKED;
            } else
               ast_set_flag(buddy, AJI_AUTOREGISTER);
            ASTOBJ_UNLOCK(buddy);
            if (buddy) {
               ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
               ASTOBJ_UNREF(buddy, aji_buddy_destroy);
            }
         }
      }
      x = iks_next(x);
   }
   if (x)
      iks_delete(x);
   aji_pruneregister(client);

   ASTOBJ_UNREF(client, aji_client_destroy);
   return IKS_FILTER_EAT;
}

static int aji_reconnect(struct aji_client *client)
{
   int res = 0;

   if (client->state)
      client->state = AJI_DISCONNECTED;
   client->timeout=50;
   if (client->p)
      iks_parser_reset(client->p);
   if (client->authorized)
      client->authorized = 0;

   if(client->component)
      res = aji_component_initialize(client);
   else
      res = aji_client_initialize(client);

   return res;
}

static int aji_get_roster(struct aji_client *client)
{
   iks *roster = NULL;
   roster = iks_make_iq(IKS_TYPE_GET, IKS_NS_ROSTER);
   if(roster) {
      iks_insert_attrib(roster, "id", "roster");
      aji_set_presence(client, NULL, client->jid->full, 1, client->statusmessage);
      iks_send(client->p, roster);
   }
   if (roster)
      iks_delete(roster);
   return 1;
}

/*!
 * \brief connects as a client to jabber server.
 * \param aji_client struct, and xml packet.
 * \return res.
 */
static int aji_client_connect(void *data, ikspak *pak)
{
   struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
   int res = 0;

   if (client) {
      if (client->state == AJI_DISCONNECTED) {
         iks_filter_add_rule(client->f, aji_filter_roster, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, "roster", IKS_RULE_DONE);
         client->state = AJI_CONNECTING;
         client->jid = (iks_find_cdata(pak->query, "jid")) ? iks_id_new(client->stack, iks_find_cdata(pak->query, "jid")) : client->jid;
         iks_filter_remove_hook(client->f, aji_client_connect);
         if(!client->component) /*client*/
            aji_get_roster(client);
      }
   } else
      ast_log(LOG_ERROR, "Out of memory.\n");

   ASTOBJ_UNREF(client, aji_client_destroy);
   return res;
}

/*!
 * \brief prepares client for connect.
 * \param aji_client struct.
 * \return 1.
 */
static int aji_client_initialize(struct aji_client *client)
{
   int connected = 0;

   connected = iks_connect_via(client->p, S_OR(client->serverhost, client->jid->server), client->port, client->jid->server);

   if (connected == IKS_NET_NOCONN) {
      ast_log(LOG_ERROR, "JABBER ERROR: No Connection\n");
      return IKS_HOOK;
   } else   if (connected == IKS_NET_NODNS) {
      ast_log(LOG_ERROR, "JABBER ERROR: No DNS %s for client to  %s\n", client->name, S_OR(client->serverhost, client->jid->server));
      return IKS_HOOK;
   } else
      iks_recv(client->p, 30);
   return IKS_OK;
}

/*!
 * \brief prepares component for connect.
 * \param aji_client struct.
 * \return 1.
 */
static int aji_component_initialize(struct aji_client *client)
{
   int connected = 1;
   connected = iks_connect_via(client->p, client->jid->server, client->port, client->user);
   if (connected == IKS_NET_NOCONN) {
      ast_log(LOG_ERROR, "JABBER ERROR: No Connection\n");
      return IKS_HOOK;
   } else if (connected == IKS_NET_NODNS) {
      ast_log(LOG_ERROR, "JABBER ERROR: No DNS\n");
      return IKS_HOOK;
   } else if (!connected) 
      iks_recv(client->p, 30);
   return IKS_OK;
}

/*!
 * \brief disconnect from jabber server.
 * \param aji_client struct.
 * \return 1.
 */
int ast_aji_disconnect(struct aji_client *client)
{
   if (client) {
      if (option_verbose > 3)
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: Disconnecting\n");
      iks_disconnect(client->p);
      iks_parser_delete(client->p);
      ASTOBJ_UNREF(client, aji_client_destroy);
   }

   return 1;
}

/*!
 * \brief set presence of client.
 * \param aji_client struct, user to send it to, and from, level, description.
 * \return void.
 */
static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc)
{
   int res = 0;
   iks *presence = iks_make_pres(level, desc);
   iks *cnode = iks_new("c");
   iks *priority = iks_new("priority");

   iks_insert_cdata(priority, "0", 1);
   if (presence && cnode && client) {
      if(to)
         iks_insert_attrib(presence, "to", to);
      if(from)
         iks_insert_attrib(presence, "from", from);
      iks_insert_attrib(cnode, "node", "http://www.asterisk.org/xmpp/client/caps");
      iks_insert_attrib(cnode, "ver", "asterisk-xmpp");
      iks_insert_attrib(cnode, "ext", "voice-v1");
      iks_insert_attrib(cnode, "xmlns", "http://jabber.org/protocol/caps");
      iks_insert_node(presence, cnode);
      res = iks_send(client->p, presence);
   } else
      ast_log(LOG_ERROR, "Out of memory.\n");
   if (cnode)
      iks_delete(cnode);
   if (presence)
      iks_delete(presence);
}

/*!
 * \brief turnon console debugging.
 * \param fd, number of args, args.
 * \return RESULT_SUCCESS.
 */
static int aji_do_debug(int fd, int argc, char *argv[])
{
   ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
      ASTOBJ_RDLOCK(iterator); 
      iterator->debug = 1;
      ASTOBJ_UNLOCK(iterator);
   });
   ast_cli(fd, "Jabber Debugging Enabled.\n");
   return RESULT_SUCCESS;
}

/*!
 * \brief reload jabber module.
 * \param fd, number of args, args.
 * \return RESULT_SUCCESS.
 */
static int aji_do_reload(int fd, int argc, char *argv[])
{
   aji_reload();
   ast_cli(fd, "Jabber Reloaded.\n");
   return RESULT_SUCCESS;
}

/*!
 * \brief turnoff console debugging.
 * \param fd, number of args, args.
 * \return RESULT_SUCCESS.
 */
static int aji_no_debug(int fd, int argc, char *argv[])
{
   ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
      ASTOBJ_RDLOCK(iterator);
      iterator->debug = 0;
      ASTOBJ_UNLOCK(iterator);
   });
   ast_cli(fd, "Jabber Debugging Disabled.\n");
   return RESULT_SUCCESS;
}

/*!
 * \brief show client status.
 * \param fd, number of args, args.
 * \return RESULT_SUCCESS.
 */
static int aji_show_clients(int fd, int argc, char *argv[])
{
   char *status;
   int count = 0;
   ast_cli(fd, "Jabber Users and their status:\n");
   ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
      ASTOBJ_RDLOCK(iterator);
      count++;
      switch (iterator->state) {
      case AJI_DISCONNECTED:
         status = "Disconnected";
         break;
      case AJI_CONNECTING:
         status = "Connecting";
         break;
      case AJI_CONNECTED:
         status = "Connected";
         break;
      default:
         status = "Unknown";
      }
      ast_cli(fd, "       User: %s     - %s\n", iterator->user, status);
      ASTOBJ_UNLOCK(iterator);
   });
   ast_cli(fd, "----\n");
   ast_cli(fd, "   Number of users: %d\n", count);
   return RESULT_SUCCESS;
}

/*!
 * \brief send test message for debugging.
 * \param fd, number of args, args.
 * \return RESULT_SUCCESS.
 */
static int aji_test(int fd, int argc, char *argv[])
{
   struct aji_client *client;
   struct aji_resource *resource;
   const char *name = "asterisk";
   struct aji_message *tmp;

   if (argc > 3)
      return RESULT_SHOWUSAGE;
   else if (argc == 3)
      name = argv[2];

   if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
      ast_cli(fd, "Unable to find client '%s'!\n", name);
      return RESULT_FAILURE;
   }

   /* XXX Does Matt really want everyone to use his personal address for tests? */ /* XXX yes he does */
   ast_aji_send(client, "mogorman@astjab.org", "blahblah");
   ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
      ASTOBJ_RDLOCK(iterator);
      ast_verbose("User: %s\n", iterator->name);
      for (resource = iterator->resources; resource; resource = resource->next) {
         ast_verbose("Resource: %s\n", resource->resource);
         if(resource->cap) {
            ast_verbose("   client: %s\n", resource->cap->parent->node);
            ast_verbose("   version: %s\n", resource->cap->version);
            ast_verbose("   Jingle Capable: %d\n", resource->cap->jingle);
         }
         ast_verbose("  Priority: %d\n", resource->priority);
         ast_verbose("  Status: %d\n", resource->status); 
         ast_verbose("  Message: %s\n", S_OR(resource->description,"")); 
      }
      ASTOBJ_UNLOCK(iterator);
   });
   ast_verbose("\nOooh a working message stack!\n");
   AST_LIST_LOCK(&client->messages);
   AST_LIST_TRAVERSE(&client->messages, tmp, list) {
      ast_verbose("  Message from: %s with id %s @ %s %s\n",tmp->from, S_OR(tmp->id,""), ctime(&tmp->arrived), S_OR(tmp->message, ""));
   }
   AST_LIST_UNLOCK(&client->messages);
   ASTOBJ_UNREF(client, aji_client_destroy);

   return RESULT_SUCCESS;
}

/*!
 * \brief creates aji_client structure.
 * \param label, ast_variable, debug, pruneregister, component/client, aji_client to dump into. 
 * \return 0.
 */
static int aji_create_client(char *label, struct ast_variable *var, int debug)
{
   char *resource;
   struct aji_client *client = NULL;
   int flag = 0;

   client = ASTOBJ_CONTAINER_FIND(&clients,label);
   if (!client) {
      flag = 1;
      client = (struct aji_client *) malloc(sizeof(struct aji_client));
      if (!client) {
         ast_log(LOG_ERROR, "Out of memory!\n");
         return 0;
      }
      memset(client, 0, sizeof(struct aji_client));
      ASTOBJ_INIT(client);
      ASTOBJ_WRLOCK(client);
      ASTOBJ_CONTAINER_INIT(&client->buddies);
   } else {
      ASTOBJ_WRLOCK(client);
      ASTOBJ_UNMARK(client);
   }
   ASTOBJ_CONTAINER_MARKALL(&client->buddies);
   ast_copy_string(client->name, label, sizeof(client->name));
   ast_copy_string(client->mid, "aaaaa", sizeof(client->mid));

   client->debug = debug;
   ast_copy_flags(client, &globalflags, AST_FLAGS_ALL);
   client->port = 5222;
   client->usetls = 1;
   client->usesasl = 1;
   client->forcessl = 0;
   client->keepalive = 1;
   client->timeout = 50;
   client->message_timeout = 100;
   AST_LIST_HEAD_INIT(&client->messages);
   client->component = 0;
   ast_copy_string(client->statusmessage, "Online and Available", sizeof(client->statusmessage));

   if (flag) {
      client->authorized = 0;
      client->state = AJI_DISCONNECTED;
   }
   while (var) {
      if (!strcasecmp(var->name, "username"))
         ast_copy_string(client->user, var->value, sizeof(client->user));
      else if (!strcasecmp(var->name, "serverhost"))
         ast_copy_string(client->serverhost, var->value, sizeof(client->serverhost));
      else if (!strcasecmp(var->name, "secret"))
         ast_copy_string(client->password, var->value, sizeof(client->password));
      else if (!strcasecmp(var->name, "statusmessage"))
         ast_copy_string(client->statusmessage, var->value, sizeof(client->statusmessage));
      else if (!strcasecmp(var->name, "port"))
         client->port = atoi(var->value);
      else if (!strcasecmp(var->name, "timeout"))
         client->message_timeout = atoi(var->value);
      else if (!strcasecmp(var->name, "debug"))
         client->debug = (ast_false(var->value)) ? 0 : 1;
      else if (!strcasecmp(var->name, "type")) {
         if (!strcasecmp(var->value, "component"))
            client->component = 1;
      } else if (!strcasecmp(var->name, "usetls")) {
         client->usetls = (ast_false(var->value)) ? 0 : 1;
      } else if (!strcasecmp(var->name, "usesasl")) {
         client->usesasl = (ast_false(var->value)) ? 0 : 1;
      } else if (!strcasecmp(var->name, "forceoldssl"))
         client->forcessl = (ast_false(var->value)) ? 0 : 1;
      else if (!strcasecmp(var->name, "keepalive"))
         client->keepalive = (ast_false(var->value)) ? 0 : 1;
      else if (!strcasecmp(var->name, "autoprune"))
         ast_set2_flag(client, ast_true(var->value), AJI_AUTOPRUNE);
      else if (!strcasecmp(var->name, "autoregister"))
         ast_set2_flag(client, ast_true(var->value), AJI_AUTOREGISTER);
      else if (!strcasecmp(var->name, "buddy"))
            aji_create_buddy(var->value, client);
   /* no transport support in this version */
   /* else if (!strcasecmp(var->name, "transport"))
            aji_create_transport(var->value, client);
   */
      var = var->next;
   }
   if (!flag) {
      ASTOBJ_UNLOCK(client);
      ASTOBJ_UNREF(client, aji_client_destroy);
      return 1;
   }
   client->p = iks_stream_new(((client->component) ? "jabber:component:accept" : "jabber:client"), client, aji_act_hook);
   if (!client->p) {
      ast_log(LOG_ERROR, "Failed to create stream for client '%s'!\n", client->name);
      return 0;
   }
   client->stack = iks_stack_new(8192, 8192);
   if (!client->stack) {
      ast_log(LOG_ERROR, "Failed to allocate stack for client '%s'\n", client->name);
      return 0;
   }
   client->f = iks_filter_new();
   if (!client->f) {
      ast_log(LOG_ERROR, "Failed to create filter for client '%s'\n", client->name);
      return 0;
   }
   if (!strchr(client->user, '/') && !client->component) { /*client */
      resource = NULL;
      asprintf(&resource, "%s/asterisk", client->user);
      if (resource) {
         client->jid = iks_id_new(client->stack, resource);
         free(resource);
      }
   } else
      client->jid = iks_id_new(client->stack, client->user);
   if (client->component) {
      iks_filter_add_rule(client->f, aji_dinfo_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE);
      iks_filter_add_rule(client->f, aji_ditems_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#items", IKS_RULE_DONE);
      iks_filter_add_rule(client->f, aji_register_query_handler, client, IKS_RULE_SUBTYPE, IKS_TYPE_GET, IKS_RULE_NS, "jabber:iq:register", IKS_RULE_DONE);
      iks_filter_add_rule(client->f, aji_register_approve_handler, client, IKS_RULE_SUBTYPE, IKS_TYPE_SET, IKS_RULE_NS, "jabber:iq:register", IKS_RULE_DONE);
   } else {
      iks_filter_add_rule(client->f, aji_client_info_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE);
   }
   if (!strchr(client->user, '/') && !client->component) { /*client */
      resource = NULL;
      asprintf(&resource, "%s/asterisk", client->user);
      if (resource) {
         client->jid = iks_id_new(client->stack, resource);
         free(resource);
      }
   } else
      client->jid = iks_id_new(client->stack, client->user);
   iks_set_log_hook(client->p, aji_log_hook);
   ASTOBJ_UNLOCK(client);
   ASTOBJ_CONTAINER_LINK(&clients,client);
   return 1;
}

/*!
 * \brief creates transport.
 * \param label, buddy to dump it into. 
 * \return 0.
 */
/* no connecting to transports today */
/*
static int aji_create_transport(char *label, struct aji_client *client)
{
   char *server = NULL, *buddyname = NULL, *user = NULL, *pass = NULL;
   struct aji_buddy *buddy = NULL;

   buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label);
   if (!buddy) {
      buddy = malloc(sizeof(struct aji_buddy));
      if(!buddy) {
         ast_log(LOG_WARNING, "Out of memory\n");
         return 0;
      }
      memset(buddy, 0, sizeof(struct aji_buddy));
      ASTOBJ_INIT(buddy);
   }
   ASTOBJ_WRLOCK(buddy);
   server = label;
   if ((buddyname = strchr(label, ','))) {
      *buddyname = '\0';
      buddyname++;
      if (buddyname && buddyname[0] != '\0') {
         if ((user = strchr(buddyname, ','))) {
            *user = '\0';
            user++;
            if (user && user[0] != '\0') {
               if ((pass = strchr(user, ','))) {
                  *pass = '\0';
                  pass++;
                  ast_copy_string(buddy->pass, pass, sizeof(buddy->pass));
                  ast_copy_string(buddy->user, user, sizeof(buddy->user));
                  ast_copy_string(buddy->name, buddyname, sizeof(buddy->name));
                  ast_copy_string(buddy->server, server, sizeof(buddy->server));
                  return 1;
               }
            }
         }
      }
   }
   ASTOBJ_UNLOCK(buddy);
   ASTOBJ_UNMARK(buddy);
   ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
   return 0;
}
*/

/*!
 * \brief creates buddy.
 * \param label, buddy to dump it into. 
 * \return 0.
 */
static int aji_create_buddy(char *label, struct aji_client *client)
{
   struct aji_buddy *buddy = NULL;
   int flag = 0;
   buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label);
   if (!buddy) {
      flag = 1;
      buddy = malloc(sizeof(struct aji_buddy));
      if(!buddy) {
         ast_log(LOG_WARNING, "Out of memory\n");
         return 0;
      }
      memset(buddy, 0, sizeof(struct aji_buddy));
      ASTOBJ_INIT(buddy);
   }
   ASTOBJ_WRLOCK(buddy);
   ast_copy_string(buddy->name, label, sizeof(buddy->name));
   ASTOBJ_UNLOCK(buddy);
   if(flag)
      ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
   else {
      ASTOBJ_UNMARK(buddy);
      ASTOBJ_UNREF(buddy, aji_buddy_destroy);
   }
   return 1;
}

/*!
 * \brief load config file.
 * \param void. 
 * \return 1.
 */
static int aji_load_config(void)
{
   char *cat = NULL;
   int debug = 1;
   struct ast_config *cfg = NULL;
   struct ast_variable *var = NULL;

   cfg = ast_config_load(JABBER_CONFIG);
   if (!cfg) {
      ast_log(LOG_WARNING, "No such configuration file %s\n", JABBER_CONFIG);
      return 0;
   }

   cat = ast_category_browse(cfg, NULL);
   for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
      if (!strcasecmp(var->name, "debug"))
         debug = (ast_false(ast_variable_retrieve(cfg, "general", "debug"))) ? 0 : 1;
      else if (!strcasecmp(var->name, "autoprune"))
         ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOPRUNE);
      else if (!strcasecmp(var->name, "autoregister"))
         ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOREGISTER);
   }

   while (cat) {
      if (strcasecmp(cat, "general")) {
            var = ast_variable_browse(cfg, cat);
            aji_create_client(cat, var, debug);
      }
      cat = ast_category_browse(cfg, cat);
   }
   return 1;
}

/*!
 * \brief grab a aji_client structure by label name.
 * \param void. 
 * \return 1.
 */
struct aji_client *ast_aji_get_client(const char *name)
{
   struct aji_client *client = NULL;

   client = ASTOBJ_CONTAINER_FIND(&clients, name);
   if (!client && !strchr(name, '@'))
      client = ASTOBJ_CONTAINER_FIND_FULL(&clients, name, user,,, strcasecmp);
   return client;
}

struct aji_client_container *ast_aji_get_clients(void)
{
   return &clients;
}

static char mandescr_jabber_send[] =
"Description: Sends a message to a Jabber Client.\n"
"Variables: \n"
"  Jabber:  Client or transport Asterisk uses to connect to JABBER.\n"
"  ScreenName: User Name to message.\n"
"  Message: Message to be sent to the buddy\n";

/*! \brief  Send a Jabber Message via call from the Manager */
static int manager_jabber_send(struct mansession *s, const struct message *m)
{
   struct aji_client *client = NULL;
   const char *id = astman_get_header(m,"ActionID");
   const char *jabber = astman_get_header(m,"Jabber");
   const char *screenname = astman_get_header(m,"ScreenName");
   const char *message = astman_get_header(m,"Message");

   if (ast_strlen_zero(jabber)) {
      astman_send_error(s, m, "No transport specified");
      return 0;
   }
   if (ast_strlen_zero(screenname)) {
      astman_send_error(s, m, "No ScreenName specified");
      return 0;
   }
   if (ast_strlen_zero(message)) {
      astman_send_error(s, m, "No Message specified");
      return 0;
   }

   astman_send_ack(s, m, "Attempting to send Jabber Message");
   client = ast_aji_get_client(jabber);
   if (!client) {
      astman_send_error(s, m, "Could not find Sender");
      return 0;
   }  
   if (strchr(screenname, '@') && message){
      ast_aji_send(client, screenname, message);   
      if (!ast_strlen_zero(id))
         astman_append(s, "ActionID: %s\r\n",id);
      astman_append(s, "Response: Success\r\n");
      return 0;
   }
   if (!ast_strlen_zero(id))
      astman_append(s, "ActionID: %s\r\n",id);
   astman_append(s, "Response: Failure\r\n");
   return 0;
}


static int aji_reload()
{
   ASTOBJ_CONTAINER_MARKALL(&clients);
   if (!aji_load_config()) {
      ast_log(LOG_ERROR, "JABBER: Failed to load config.\n");
      return 0;
   }
   ASTOBJ_CONTAINER_PRUNE_MARKED(&clients, aji_client_destroy);
   ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
      ASTOBJ_RDLOCK(iterator);
      if(iterator->state == AJI_DISCONNECTED) {
         if (!iterator->thread)
            ast_pthread_create_background(&iterator->thread, NULL, aji_recv_loop, iterator);
      } else if (iterator->state == AJI_CONNECTING)
         aji_get_roster(iterator);
      ASTOBJ_UNLOCK(iterator);
   });
   
   return 1;
}

static int unload_module(void)
{
   ast_cli_unregister_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry));
   ast_unregister_application(app_ajisend);
   ast_unregister_application(app_ajistatus);
   ast_manager_unregister("JabberSend");
   ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
      ASTOBJ_RDLOCK(iterator);
      if (option_verbose > 2)
         ast_verbose(VERBOSE_PREFIX_3 "JABBER: %s\n", iterator->name);
      iterator->state = AJI_DISCONNECTED;
      ast_aji_disconnect(iterator);
      pthread_join(iterator->thread, NULL);
      ASTOBJ_UNLOCK(iterator);
   });

   ASTOBJ_CONTAINER_DESTROYALL(&clients, aji_client_destroy);
   ASTOBJ_CONTAINER_DESTROY(&clients);

   ast_log(LOG_NOTICE, "res_jabber unloaded.\n");
   return 0;
}

static int load_module(void)
{
   ASTOBJ_CONTAINER_INIT(&clients);
   if(!aji_reload())
      return AST_MODULE_LOAD_DECLINE;
   ast_manager_register2("JabberSend", EVENT_FLAG_SYSTEM, manager_jabber_send,
         "Sends a message to a Jabber Client", mandescr_jabber_send);
   ast_register_application(app_ajisend, aji_send_exec, ajisend_synopsis, ajisend_descrip);
   ast_register_application(app_ajistatus, aji_status_exec, ajistatus_synopsis, ajistatus_descrip);
   ast_cli_register_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry));

   ast_log(LOG_NOTICE, "res_jabber.so loaded.\n");
   return 0;
}

static int reload(void)
{
   aji_reload();
   return 0;
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "AJI - Asterisk Jabber Interface",
      .load = load_module,
      .unload = unload_module,
      .reload = reload,
          );

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