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asterisk/res/res_jabber.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2010, 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 XMPP/Jabber compliant server.
*
* References:
* - http://www.xmpp.org - The XMPP standards foundation
*
* \extref Iksemel http://code.google.com/p/iksemel/
*
* \todo If you unload this module, chan_gtalk/jingle will be dead. How do we handle that?
* \todo Dialplan applications need RETURN variable, like JABBERSENDSTATUS
*
*/
/*** MODULEINFO
<depend>iksemel</depend>
<use type="external">openssl</use>
<support_level>extended</support_level>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <ctype.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/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"
#include "asterisk/event.h"
#include "asterisk/devicestate.h"
#include "asterisk/message.h"
/*** DOCUMENTATION
<application name="JabberSend" language="en_US">
<synopsis>
Sends an XMPP message to a buddy.
</synopsis>
<syntax>
<parameter name="account" required="true">
<para>The local named account to listen on (specified in
jabber.conf)</para>
</parameter>
<parameter name="jid" required="true">
<para>Jabber ID of the buddy to send the message to. It can be a
bare JID (username@domain) or a full JID (username@domain/resource).</para>
</parameter>
<parameter name="message" required="true">
<para>The message to send.</para>
</parameter>
</syntax>
<description>
<para>Sends the content of <replaceable>message</replaceable> as text message
from the given <replaceable>account</replaceable> to the buddy identified by
<replaceable>jid</replaceable></para>
<para>Example: JabberSend(asterisk,bob@domain.com,Hello world) sends "Hello world"
to <replaceable>bob@domain.com</replaceable> as an XMPP message from the account
<replaceable>asterisk</replaceable>, configured in jabber.conf.</para>
</description>
<see-also>
<ref type="function">JABBER_STATUS</ref>
<ref type="function">JABBER_RECEIVE</ref>
</see-also>
</application>
<function name="JABBER_RECEIVE" language="en_US">
<synopsis>
Reads XMPP messages.
</synopsis>
<syntax>
<parameter name="account" required="true">
<para>The local named account to listen on (specified in
jabber.conf)</para>
</parameter>
<parameter name="jid" required="true">
<para>Jabber ID of the buddy to receive message from. It can be a
bare JID (username@domain) or a full JID (username@domain/resource).</para>
</parameter>
<parameter name="timeout">
<para>In seconds, defaults to <literal>20</literal>.</para>
</parameter>
</syntax>
<description>
<para>Receives a text message on the given <replaceable>account</replaceable>
from the buddy identified by <replaceable>jid</replaceable> and returns the contents.</para>
<para>Example: ${JABBER_RECEIVE(asterisk,bob@domain.com)} returns an XMPP message
sent from <replaceable>bob@domain.com</replaceable> (or nothing in case of a time out), to
the <replaceable>asterisk</replaceable> XMPP account configured in jabber.conf.</para>
</description>
<see-also>
<ref type="function">JABBER_STATUS</ref>
<ref type="application">JabberSend</ref>
</see-also>
</function>
<function name="JABBER_STATUS" language="en_US">
<synopsis>
Retrieves a buddy's status.
</synopsis>
<syntax>
<parameter name="account" required="true">
<para>The local named account to listen on (specified in
jabber.conf)</para>
</parameter>
<parameter name="jid" required="true">
<para>Jabber ID of the buddy to receive message from. It can be a
bare JID (username@domain) or a full JID (username@domain/resource).</para>
</parameter>
</syntax>
<description>
<para>Retrieves the numeric status associated with the buddy identified
by <replaceable>jid</replaceable>.
If the buddy does not exist in the buddylist, returns 7.</para>
<para>Status will be 1-7.</para>
<para>1=Online, 2=Chatty, 3=Away, 4=XAway, 5=DND, 6=Offline</para>
<para>If not in roster variable will be set to 7.</para>
<para>Example: ${JABBER_STATUS(asterisk,bob@domain.com)} returns 1 if
<replaceable>bob@domain.com</replaceable> is online. <replaceable>asterisk</replaceable> is
the associated XMPP account configured in jabber.conf.</para>
</description>
<see-also>
<ref type="function">JABBER_RECEIVE</ref>
<ref type="application">JabberSend</ref>
</see-also>
</function>
<application name="JabberSendGroup" language="en_US">
<synopsis>
Send a Jabber Message to a specified chat room
</synopsis>
<syntax>
<parameter name="Jabber" required="true">
<para>Client or transport Asterisk uses to connect to Jabber.</para>
</parameter>
<parameter name="RoomJID" required="true">
<para>XMPP/Jabber JID (Name) of chat room.</para>
</parameter>
<parameter name="Message" required="true">
<para>Message to be sent to the chat room.</para>
</parameter>
<parameter name="Nickname" required="false">
<para>The nickname Asterisk uses in the chat room.</para>
</parameter>
</syntax>
<description>
<para>Allows user to send a message to a chat room via XMPP.</para>
<note><para>To be able to send messages to a chat room, a user must have previously joined it. Use the <replaceable>JabberJoin</replaceable> function to do so.</para></note>
</description>
</application>
<application name="JabberJoin" language="en_US">
<synopsis>
Join a chat room
</synopsis>
<syntax>
<parameter name="Jabber" required="true">
<para>Client or transport Asterisk uses to connect to Jabber.</para>
</parameter>
<parameter name="RoomJID" required="true">
<para>XMPP/Jabber JID (Name) of chat room.</para>
</parameter>
<parameter name="Nickname" required="false">
<para>The nickname Asterisk will use in the chat room.</para>
<note><para>If a different nickname is supplied to an already joined room, the old nick will be changed to the new one.</para></note>
</parameter>
</syntax>
<description>
<para>Allows Asterisk to join a chat room.</para>
</description>
</application>
<application name="JabberLeave" language="en_US">
<synopsis>
Leave a chat room
</synopsis>
<syntax>
<parameter name="Jabber" required="true">
<para>Client or transport Asterisk uses to connect to Jabber.</para>
</parameter>
<parameter name="RoomJID" required="true">
<para>XMPP/Jabber JID (Name) of chat room.</para>
</parameter>
<parameter name="Nickname" required="false">
<para>The nickname Asterisk uses in the chat room.</para>
</parameter>
</syntax>
<description>
<para>Allows Asterisk to leave a chat room.</para>
</description>
</application>
<application name="JabberStatus" language="en_US">
<synopsis>
Retrieve the status of a jabber list member
</synopsis>
<syntax>
<parameter name="Jabber" required="true">
<para>Client or transport Asterisk users to connect to Jabber.</para>
</parameter>
<parameter name="JID" required="true">
<para>XMPP/Jabber JID (Name) of recipient.</para>
</parameter>
<parameter name="Variable" required="true">
<para>Variable to store the status of requested user.</para>
</parameter>
</syntax>
<description>
<para>This application is deprecated. Please use the JABBER_STATUS() function instead.</para>
<para>Retrieves the numeric status associated with the specified buddy <replaceable>JID</replaceable>.
The return value in the <replaceable>Variable</replaceable>will be one of the following.</para>
<enumlist>
<enum name="1">
<para>Online.</para>
</enum>
<enum name="2">
<para>Chatty.</para>
</enum>
<enum name="3">
<para>Away.</para>
</enum>
<enum name="4">
<para>Extended Away.</para>
</enum>
<enum name="5">
<para>Do Not Disturb.</para>
</enum>
<enum name="6">
<para>Offline.</para>
</enum>
<enum name="7">
<para>Not In Roster.</para>
</enum>
</enumlist>
</description>
</application>
<manager name="JabberSend" language="en_US">
<synopsis>
Sends a message to a Jabber Client.
</synopsis>
<syntax>
<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
<parameter name="Jabber" required="true">
<para>Client or transport Asterisk uses to connect to JABBER.</para>
</parameter>
<parameter name="JID" required="true">
<para>XMPP/Jabber JID (Name) of recipient.</para>
</parameter>
<parameter name="Message" required="true">
<para>Message to be sent to the buddy.</para>
</parameter>
</syntax>
<description>
<para>Sends a message to a Jabber Client.</para>
</description>
</manager>
***/
/*!\todo This should really be renamed to xmpp.conf. For backwards compatibility, we
* need to read both files */
#define JABBER_CONFIG "jabber.conf"
/*-- Forward declarations */
static void aji_message_destroy(struct aji_message *obj);
static int aji_is_secure(struct aji_client *client);
#ifdef HAVE_OPENSSL
static int aji_start_tls(struct aji_client *client);
static int aji_tls_handshake(struct aji_client *client);
#endif
static int aji_io_recv(struct aji_client *client, char *buffer, size_t buf_len, int timeout);
static int aji_recv(struct aji_client *client, int timeout);
static int aji_send_header(struct aji_client *client, const char *to);
static int aji_send_raw(struct aji_client *client, const char *xmlstr);
static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming);
static int aji_start_sasl(struct aji_client *client, enum ikssasltype type, char *username, char *pass);
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 int aji_send_raw_chat(struct aji_client *client, int groupchat, const char *nick, const char *address, const char *message);
static void *aji_recv_loop(void *data);
static int aji_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_set_group_presence(struct aji_client *client, char *room, int level, char *nick, char *desc);
static char *aji_do_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
static char *aji_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
static char *aji_show_clients(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
static char *aji_show_buddies(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
static char *aji_test(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
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(int reload);
static int aji_load_config(int reload);
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 char *aji_cli_create_collection(struct ast_cli_entry *e, int cmd,
struct ast_cli_args *a);
static char *aji_cli_list_pubsub_nodes(struct ast_cli_entry *e, int cmd,
struct ast_cli_args *a);
static char *aji_cli_delete_pubsub_node(struct ast_cli_entry *e, int cmd, struct
ast_cli_args *a);
static char *aji_cli_purge_pubsub_nodes(struct ast_cli_entry *e, int cmd, struct
ast_cli_args *a);
static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid);
static int aji_receive_node_list(void *data, ikspak* pak);
static void aji_init_event_distribution(struct aji_client *client);
static iks* aji_create_pubsub_node(struct aji_client *client, const char *node_type,
const char *name, const char *collection_name);
static iks* aji_build_node_config(iks *pubsub, const char *node_type,
const char *collection_name);
static void aji_create_pubsub_collection(struct aji_client *client,
const char *collection_name);
static void aji_create_pubsub_leaf(struct aji_client *client, const char *collection_name,
const char *leaf_name);
static char *aji_cli_create_leafnode(struct ast_cli_entry *e, int cmd,
struct ast_cli_args *a);
static void aji_create_affiliations(struct aji_client *client, const char *node);
static iks* aji_pubsub_iq_create(struct aji_client *client, const char *type);
static void aji_publish_device_state(struct aji_client *client, const char * device,
const char *device_state);
static int aji_handle_pubsub_error(void *data, ikspak *pak);
static int aji_handle_pubsub_event(void *data, ikspak *pak);
static void aji_pubsub_subscribe(struct aji_client *client, const char *node);
static void aji_delete_pubsub_node(struct aji_client *client, const char *node_name);
static iks* aji_build_node_request(struct aji_client *client, const char *collection);
static int aji_delete_node_list(void *data, ikspak* pak);
static void aji_pubsub_purge_nodes(struct aji_client *client,
const char* collection_name);
static void aji_publish_mwi(struct aji_client *client, const char *mailbox,
const char *context, const char *oldmsgs, const char *newmsgs);
static void aji_devstate_cb(const struct ast_event *ast_event, void *data);
static void aji_mwi_cb(const struct ast_event *ast_event, void *data);
static iks* aji_build_publish_skeleton(struct aji_client *client, const char *node,
const char *event_type);
/* 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 int msg_send_cb(const struct ast_msg *msg, const char *to, const char *from);
static const struct ast_msg_tech msg_tech = {
.name = "xmpp",
.msg_send = msg_send_cb,
};
static struct ast_cli_entry aji_cli[] = {
AST_CLI_DEFINE(aji_do_set_debug, "Enable/Disable Jabber debug"),
AST_CLI_DEFINE(aji_do_reload, "Reload Jabber configuration"),
AST_CLI_DEFINE(aji_show_clients, "Show state of clients and components"),
AST_CLI_DEFINE(aji_show_buddies, "Show buddy lists of our clients"),
AST_CLI_DEFINE(aji_test, "Shows roster, but is generally used for mog's debugging."),
AST_CLI_DEFINE(aji_cli_create_collection, "Creates a PubSub node collection."),
AST_CLI_DEFINE(aji_cli_list_pubsub_nodes, "Lists PubSub nodes"),
AST_CLI_DEFINE(aji_cli_create_leafnode, "Creates a PubSub leaf node"),
AST_CLI_DEFINE(aji_cli_delete_pubsub_node, "Deletes a PubSub node"),
AST_CLI_DEFINE(aji_cli_purge_pubsub_nodes, "Purges PubSub nodes"),
};
static char *app_ajisend = "JabberSend";
static char *app_ajisendgroup = "JabberSendGroup";
static char *app_ajistatus = "JabberStatus";
static char *app_ajijoin = "JabberJoin";
static char *app_ajileave = "JabberLeave";
static struct aji_client_container clients;
static struct aji_capabilities *capabilities = NULL;
static struct ast_event_sub *mwi_sub = NULL;
static struct ast_event_sub *device_state_sub = NULL;
static ast_cond_t message_received_condition;
static ast_mutex_t messagelock;
/*! \brief Global flags, initialized to default values */
static struct ast_flags globalflags = { AJI_AUTOREGISTER | AJI_AUTOACCEPT };
/*! \brief PubSub flags, initialized to default values */
static struct ast_flags pubsubflags = { 0 };
/*!
* \internal
* \brief Deletes the aji_client data structure.
* \param obj aji_client The structure we will delete.
* \return void.
*/
void ast_aji_client_destroy(struct aji_client *obj)
{
struct aji_message *tmp;
ASTOBJ_CONTAINER_DESTROYALL(&obj->buddies, ast_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))) {
aji_message_destroy(tmp);
}
AST_LIST_HEAD_DESTROY(&obj->messages);
ast_free(obj);
}
/*!
* \internal
* \brief Deletes the aji_buddy data structure.
* \param obj aji_buddy The structure we will delete.
* \return void.
*/
void ast_aji_buddy_destroy(struct aji_buddy *obj)
{
struct aji_resource *tmp;
while ((tmp = obj->resources)) {
obj->resources = obj->resources->next;
ast_free(tmp->description);
ast_free(tmp);
}
ast_free(obj);
}
/*!
* \internal
* \brief Deletes the aji_message data structure.
* \param obj aji_message The structure we will delete.
* \return void.
*/
static void aji_message_destroy(struct aji_message *obj)
{
if (obj->from) {
ast_free(obj->from);
}
if (obj->message) {
ast_free(obj->message);
}
ast_free(obj);
}
/*!
* \internal
* \brief Find version in XML stream and populate our capabilities list
* \param node the node attribute in the caps element we'll look for or add to
* our list
* \param version the version attribute in the caps element we'll look for or
* add to our list
* \param pak struct The XML stanza we're processing
* \return a pointer to the added or found aji_version structure
*/
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;
}
/* Specified version not found. Let's add it to
this node in our capabilities list */
if (!res) {
res = ast_malloc(sizeof(*res));
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;
}
/* Specified node not found. Let's add it our capabilities list */
if (!list) {
list = ast_malloc(sizeof(*list));
if (!list) {
ast_log(LOG_ERROR, "Out of memory!\n");
return NULL;
}
res = ast_malloc(sizeof(*res));
if (!res) {
ast_log(LOG_ERROR, "Out of memory!\n");
ast_free(list);
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 = NULL;
list->versions = res;
list->next = capabilities;
capabilities = list;
}
return res;
}
/*!
* \internal
* \brief Find the aji_resource we want
* \param buddy aji_buddy A buddy
* \param name
* \return aji_resource object
*/
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;
}
/*!
* \internal
* \brief Jabber GTalk function
* \param node iks
* \return 1 on success, 0 on failure.
*/
static int gtalk_yuck(iks *node)
{
if (iks_find_with_attrib(node, "c", "node", "http://www.google.com/xmpp/client/caps")) {
ast_debug(1, "Found resource with Googletalk voice capabilities\n");
return 1;
} else if (iks_find_with_attrib(node, "caps:c", "ext", "pmuc-v1 sms-v1 camera-v1 video-v1 voice-v1")) {
ast_debug(1, "Found resource with Gmail voice/video chat capabilities\n");
return 1;
} else if (iks_find_with_attrib(node, "caps:c", "ext", "pmuc-v1 sms-v1 video-v1 voice-v1")) {
ast_debug(1, "Found resource with Gmail voice/video chat capabilities (no camera)\n");
return 1;
}
return 0;
}
/*!
* \internal
* \brief Setup the authentication struct
* \param id iksid
* \param pass password
* \param sid
* \return x iks
*/
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;
}
/*!
* \internal
* \brief Dial plan function status(). puts the status of watched user
* into a channel variable.
* \param chan ast_channel
* \param data
* \retval 0 success
* \retval -1 error
*/
static int aji_status_exec(struct ast_channel *chan, const char *data)
{
struct aji_client *client = NULL;
struct aji_buddy *buddy = NULL;
struct aji_resource *r = NULL;
char *s = NULL;
int stat = 7;
char status[2];
static int deprecation_warning = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(jid);
AST_APP_ARG(variable);
);
AST_DECLARE_APP_ARGS(jid,
AST_APP_ARG(screenname);
AST_APP_ARG(resource);
);
if (deprecation_warning++ % 10 == 0) {
ast_log(LOG_WARNING, "JabberStatus is deprecated. Please use the JABBER_STATUS dialplan function in the future.\n");
}
if (!data) {
ast_log(LOG_ERROR, "Usage: JabberStatus(<sender>,<jid>[/<resource>],<varname>\n");
return 0;
}
s = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, s);
if (args.argc != 3) {
ast_log(LOG_ERROR, "JabberStatus() requires 3 arguments.\n");
return -1;
}
AST_NONSTANDARD_APP_ARGS(jid, args.jid, '/');
if (jid.argc < 1 || jid.argc > 2) {
ast_log(LOG_WARNING, "Wrong JID %s, exiting\n", args.jid);
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, jid.screenname);
if (!buddy) {
ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return -1;
}
r = aji_find_resource(buddy, jid.resource);
if (!r && buddy->resources) {
r = buddy->resources;
}
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
if (!r) {
ast_log(LOG_NOTICE, "Resource '%s' of buddy '%s' was not found\n", jid.resource, jid.screenname);
} else {
stat = r->status;
}
snprintf(status, sizeof(status), "%d", stat);
pbx_builtin_setvar_helper(chan, args.variable, status);
return 0;
}
/*!
* \internal
* \brief Dial plan funtcion to retrieve the status of a buddy.
* \param channel The associated ast_channel, if there is one
* \param data The account, buddy JID, and optional timeout
* timeout.
* \retval 0 success
* \retval -1 failure
*/
static int acf_jabberstatus_read(struct ast_channel *chan, const char *name, char *data, char *buf, size_t buflen)
{
struct aji_client *client = NULL;
struct aji_buddy *buddy = NULL;
struct aji_resource *r = NULL;
int stat = 7;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(jid);
);
AST_DECLARE_APP_ARGS(jid,
AST_APP_ARG(screenname);
AST_APP_ARG(resource);
);
if (!data) {
ast_log(LOG_ERROR, "Usage: JABBER_STATUS(<sender>,<jid>[/<resource>])\n");
return 0;
}
AST_STANDARD_APP_ARGS(args, data);
if (args.argc != 2) {
ast_log(LOG_ERROR, "JABBER_STATUS requires 2 arguments: sender and jid.\n");
return -1;
}
AST_NONSTANDARD_APP_ARGS(jid, args.jid, '/');
if (jid.argc < 1 || jid.argc > 2) {
ast_log(LOG_WARNING, "Wrong JID %s, exiting\n", args.jid);
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, jid.screenname);
if (!buddy) {
ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return -1;
}
r = aji_find_resource(buddy, jid.resource);
if (!r && buddy->resources) {
r = buddy->resources;
}
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
if (!r) {
ast_log(LOG_NOTICE, "Resource %s of buddy %s was not found.\n", jid.resource, jid.screenname);
} else {
stat = r->status;
}
snprintf(buf, buflen, "%d", stat);
return 0;
}
static struct ast_custom_function jabberstatus_function = {
.name = "JABBER_STATUS",
.read = acf_jabberstatus_read,
};
/*!
* \internal
* \brief Dial plan function to receive a message.
* \param channel The associated ast_channel, if there is one
* \param data The account, JID, and optional timeout
* timeout.
* \retval 0 success
* \retval -1 failure
*/
static int acf_jabberreceive_read(struct ast_channel *chan, const char *name, char *data, char *buf, size_t buflen)
{
char *aux = NULL, *parse = NULL;
int timeout;
int jidlen, resourcelen;
struct timeval start;
long diff = 0;
struct aji_client *client = NULL;
int found = 0;
struct aji_message *tmp = NULL;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(account);
AST_APP_ARG(jid);
AST_APP_ARG(timeout);
);
AST_DECLARE_APP_ARGS(jid,
AST_APP_ARG(screenname);
AST_APP_ARG(resource);
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "%s requires arguments (account,jid[,timeout])\n", name);
return -1;
}
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
if (args.argc < 2 || args.argc > 3) {
ast_log(LOG_WARNING, "%s requires arguments (account,jid[,timeout])\n", name);
return -1;
}
parse = ast_strdupa(args.jid);
AST_NONSTANDARD_APP_ARGS(jid, parse, '/');
if (jid.argc < 1 || jid.argc > 2 || strlen(args.jid) > AJI_MAX_JIDLEN) {
ast_log(LOG_WARNING, "Invalid JID : %s\n", parse);
return -1;
}
if (ast_strlen_zero(args.timeout)) {
timeout = 20;
} else {
sscanf(args.timeout, "%d", &timeout);
if (timeout <= 0) {
ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
return -1;
}
}
jidlen = strlen(jid.screenname);
resourcelen = ast_strlen_zero(jid.resource) ? 0 : strlen(jid.resource);
client = ast_aji_get_client(args.account);
if (!client) {
ast_log(LOG_WARNING, "Could not find client %s, exiting\n", args.account);
return -1;
}
ast_debug(3, "Waiting for an XMPP message from %s\n", args.jid);
start = ast_tvnow();
if (ast_autoservice_start(chan) < 0) {
ast_log(LOG_WARNING, "Cannot start autoservice for channel %s\n", chan->name);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return -1;
}
/* search the messages list, grab the first message that matches with
* the from JID we're expecting, and remove it from the messages list */
while (diff < timeout) {
struct timespec ts = { 0, };
struct timeval wait;
int res;
wait = ast_tvadd(start, ast_tv(timeout, 0));
ts.tv_sec = wait.tv_sec;
ts.tv_nsec = wait.tv_usec * 1000;
/* wait up to timeout seconds for an incoming message */
ast_mutex_lock(&messagelock);
res = ast_cond_timedwait(&message_received_condition, &messagelock, &ts);
ast_mutex_unlock(&messagelock);
if (res == ETIMEDOUT) {
ast_debug(3, "No message received from %s in %d seconds\n", args.jid, timeout);
break;
}
AST_LIST_LOCK(&client->messages);
AST_LIST_TRAVERSE_SAFE_BEGIN(&client->messages, tmp, list) {
if (jid.argc == 1) {
/* no resource provided, compare bare JIDs */
if (strncasecmp(jid.screenname, tmp->from, jidlen)) {
continue;
}
} else {
/* resource appended, compare bare JIDs and resources */
char *resource = strchr(tmp->from, '/');
if (!resource || strlen(resource) == 0) {
ast_log(LOG_WARNING, "Remote JID has no resource : %s\n", tmp->from);
if (strncasecmp(jid.screenname, tmp->from, jidlen)) {
continue;
}
} else {
resource ++;
if (strncasecmp(jid.screenname, tmp->from, jidlen) || strncmp(jid.resource, resource, resourcelen)) {
continue;
}
}
}
/* check if the message is not too old */
if (ast_tvdiff_sec(ast_tvnow(), tmp->arrived) >= client->message_timeout) {
ast_debug(3, "Found old message from %s, deleting it\n", tmp->from);
AST_LIST_REMOVE_CURRENT(list);
aji_message_destroy(tmp);
continue;
}
found = 1;
aux = ast_strdupa(tmp->message);
AST_LIST_REMOVE_CURRENT(list);
aji_message_destroy(tmp);
break;
}
AST_LIST_TRAVERSE_SAFE_END;
AST_LIST_UNLOCK(&client->messages);
if (found) {
break;
}
/* check timeout */
diff = ast_tvdiff_ms(ast_tvnow(), start);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
if (ast_autoservice_stop(chan) < 0) {
ast_log(LOG_WARNING, "Cannot stop autoservice for channel %s\n", chan->name);
}
/* return if we timed out */
if (!found) {
ast_log(LOG_NOTICE, "Timed out : no message received from %s\n", args.jid);
return -1;
}
ast_copy_string(buf, aux, buflen);
return 0;
}
static struct ast_custom_function jabberreceive_function = {
.name = "JABBER_RECEIVE",
.read = acf_jabberreceive_read,
};
/*!
* \internal
* \brief Delete old messages from a given JID
* Messages stored during more than client->message_timeout are deleted
* \param client Asterisk's XMPP client
* \param from the JID we received messages from
* \retval the number of deleted messages
* \retval -1 failure
*/
static int delete_old_messages(struct aji_client *client, char *from)
{
int deleted = 0;
int isold = 0;
struct aji_message *tmp = NULL;
if (!client) {
ast_log(LOG_ERROR, "Cannot find our XMPP client\n");
return -1;
}
/* remove old messages */
AST_LIST_LOCK(&client->messages);
if (AST_LIST_EMPTY(&client->messages)) {
AST_LIST_UNLOCK(&client->messages);
return 0;
}
AST_LIST_TRAVERSE_SAFE_BEGIN(&client->messages, tmp, list) {
if (isold) {
if (!from || !strncasecmp(from, tmp->from, strlen(from))) {
AST_LIST_REMOVE_CURRENT(list);
aji_message_destroy(tmp);
deleted ++;
}
} else if (ast_tvdiff_sec(ast_tvnow(), tmp->arrived) >= client->message_timeout) {
isold = 1;
if (!from || !strncasecmp(from, tmp->from, strlen(from))) {
AST_LIST_REMOVE_CURRENT(list);
aji_message_destroy(tmp);
deleted ++;
}
}
}
AST_LIST_TRAVERSE_SAFE_END;
AST_LIST_UNLOCK(&client->messages);
return deleted;
}
/*!
* \internal
* \brief Delete old messages
* Messages stored during more than client->message_timeout are deleted
* \param client Asterisk's XMPP client
* \retval the number of deleted messages
* \retval -1 failure
*/
static int delete_old_messages_all(struct aji_client *client)
{
return delete_old_messages(client, NULL);
}
/*!
* \brief Application to join a chat room
* \param chan ast_channel
* \param data Data is sender|jid|nickname.
* \retval 0 success
* \retval -1 error
*/
static int aji_join_exec(struct ast_channel *chan, const char *data)
{
struct aji_client *client = NULL;
char *s;
char nick[AJI_MAX_RESJIDLEN];
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(jid);
AST_APP_ARG(nick);
);
if (!data) {
ast_log(LOG_ERROR, "%s requires arguments (sender,jid[,nickname])\n", app_ajijoin);
return -1;
}
s = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, s);
if (args.argc < 2 || args.argc > 3) {
ast_log(LOG_ERROR, "%s requires arguments (sender,jid[,nickname])\n", app_ajijoin);
return -1;
}
if (strchr(args.jid, '/')) {
ast_log(LOG_ERROR, "Invalid room name : resource must not be appended\n");
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_ERROR, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
if (!ast_strlen_zero(args.nick)) {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", args.nick);
} else {
if (client->component) {
sprintf(nick, "asterisk");
} else {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", client->jid->user);
}
}
if (!ast_strlen_zero(args.jid) && strchr(args.jid, '@')) {
ast_aji_join_chat(client, args.jid, nick);
} else {
ast_log(LOG_ERROR, "Problem with specified jid of '%s'\n", args.jid);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return 0;
}
/*!
* \brief Application to leave a chat room
* \param chan ast_channel
* \param data Data is sender|jid|nickname.
* \retval 0 success
* \retval -1 error
*/
static int aji_leave_exec(struct ast_channel *chan, const char *data)
{
struct aji_client *client = NULL;
char *s;
char nick[AJI_MAX_RESJIDLEN];
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(jid);
AST_APP_ARG(nick);
);
if (!data) {
ast_log(LOG_ERROR, "%s requires arguments (sender,jid[,nickname])\n", app_ajileave);
return -1;
}
s = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, s);
if (args.argc < 2 || args.argc > 3) {
ast_log(LOG_ERROR, "%s requires arguments (sender,jid[,nickname])\n", app_ajileave);
return -1;
}
if (strchr(args.jid, '/')) {
ast_log(LOG_ERROR, "Invalid room name, resource must not be appended\n");
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_ERROR, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
if (!ast_strlen_zero(args.nick)) {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", args.nick);
} else {
if (client->component) {
sprintf(nick, "asterisk");
} else {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", client->jid->user);
}
}
if (!ast_strlen_zero(args.jid) && strchr(args.jid, '@')) {
ast_aji_leave_chat(client, args.jid, nick);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return 0;
}
/*!
* \internal
* \brief Dial plan function to send a message.
* \param chan ast_channel
* \param data Data is account,jid,message.
* \retval 0 success
* \retval -1 failure
*/
static int aji_send_exec(struct ast_channel *chan, const char *data)
{
struct aji_client *client = NULL;
char *s;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(recipient);
AST_APP_ARG(message);
);
if (!data) {
ast_log(LOG_WARNING, "%s requires arguments (account,jid,message)\n", app_ajisend);
return -1;
}
s = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, s);
if (args.argc < 3) {
ast_log(LOG_WARNING, "%s requires arguments (account,jid,message)\n", app_ajisend);
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
if (strchr(args.recipient, '@') && !ast_strlen_zero(args.message)) {
ast_aji_send_chat(client, args.recipient, args.message);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return 0;
}
static int msg_send_cb(const struct ast_msg *msg, const char *to, const char *from)
{
struct aji_client *client;
char *sender;
char *dest;
int res;
sender = ast_strdupa(from);
strsep(&sender, ":");
dest = ast_strdupa(to);
strsep(&dest, ":");
if (ast_strlen_zero(sender)) {
ast_log(LOG_ERROR, "MESSAGE(from) of '%s' invalid for xmpp\n", from);
return -1;
}
if (!(client = ast_aji_get_client(sender))) {
ast_log(LOG_WARNING, "Could not finder account to send from as '%s'\n", sender);
return -1;
}
ast_debug(1, "Sending message to '%s' from '%s'\n", dest, client->name);
res = ast_aji_send_chat(client, dest, ast_msg_get_body(msg));
if (res != IKS_OK) {
ast_log(LOG_WARNING, "Failed to send xmpp message (%d).\n", res);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return res == IKS_OK ? 0 : -1;
}
/*!
* \brief Application to send a message to a groupchat.
* \param chan ast_channel
* \param data Data is sender|groupchat|message.
* \retval 0 success
* \retval -1 error
*/
static int aji_sendgroup_exec(struct ast_channel *chan, const char *data)
{
struct aji_client *client = NULL;
char *s;
char nick[AJI_MAX_RESJIDLEN];
int res = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(sender);
AST_APP_ARG(groupchat);
AST_APP_ARG(message);
AST_APP_ARG(nick);
);
if (!data) {
ast_log(LOG_ERROR, "%s requires arguments (sender,groupchatid,message[,nickname])\n", app_ajisendgroup);
return -1;
}
s = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, s);
if (args.argc < 3 || args.argc > 4) {
ast_log(LOG_ERROR, "%s requires arguments (sender,groupchatid,message[,nickname])\n", app_ajisendgroup);
return -1;
}
if (!(client = ast_aji_get_client(args.sender))) {
ast_log(LOG_ERROR, "Could not find sender connection: '%s'\n", args.sender);
return -1;
}
if (ast_strlen_zero(args.nick) || args.argc == 3) {
if (client->component) {
sprintf(nick, "asterisk");
} else {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", client->jid->user);
}
} else {
snprintf(nick, AJI_MAX_RESJIDLEN, "%s", args.nick);
}
if (strchr(args.groupchat, '@') && !ast_strlen_zero(args.message)) {
res = ast_aji_send_groupchat(client, nick, args.groupchat, args.message);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
if (res != IKS_OK) {
return -1;
}
return 0;
}
/*!
* \internal
* \brief Tests whether the connection is secured or not
* \return 0 if the connection is not secured
*/
static int aji_is_secure(struct aji_client *client)
{
#ifdef HAVE_OPENSSL
return client->stream_flags & SECURE;
#else
return 0;
#endif
}
#ifdef HAVE_OPENSSL
/*!
* \internal
* \brief Starts the TLS procedure
* \param client the configured XMPP client we use to connect to a XMPP server
* \return IKS_OK on success, an error code if sending failed, IKS_NET_TLSFAIL
* if OpenSSL is not installed
*/
static int aji_start_tls(struct aji_client *client)
{
int ret;
/* This is sent not encrypted */
if ((ret = iks_send_raw(client->p, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"))) {
return ret;
}
client->stream_flags |= TRY_SECURE;
return IKS_OK;
}
/*!
* \internal
* \brief TLS handshake, OpenSSL initialization
* \param client the configured XMPP client we use to connect to a XMPP server
* \return IKS_OK on success, IKS_NET_TLSFAIL on failure
*/
static int aji_tls_handshake(struct aji_client *client)
{
int ret;
int sock;
ast_debug(1, "Starting TLS handshake\n");
/* Choose an SSL/TLS protocol version, create SSL_CTX */
client->ssl_method = SSLv3_method();
if (!(client->ssl_context = SSL_CTX_new((SSL_METHOD *) client->ssl_method))) {
return IKS_NET_TLSFAIL;
}
/* Create new SSL session */
if (!(client->ssl_session = SSL_new(client->ssl_context))) {
return IKS_NET_TLSFAIL;
}
/* Enforce TLS on our XMPP connection */
sock = iks_fd(client->p);
if (!(ret = SSL_set_fd(client->ssl_session, sock))) {
return IKS_NET_TLSFAIL;
}
/* Perform SSL handshake */
if (!(ret = SSL_connect(client->ssl_session))) {
return IKS_NET_TLSFAIL;
}
client->stream_flags &= (~TRY_SECURE);
client->stream_flags |= SECURE;
/* Sent over the established TLS connection */
if ((ret = aji_send_header(client, client->jid->server)) != IKS_OK) {
return IKS_NET_TLSFAIL;
}
ast_debug(1, "TLS started with server\n");
return IKS_OK;
}
#endif /* HAVE_OPENSSL */
/*!
* \internal
* \brief Secured or unsecured IO socket receiving function
* \param client the configured XMPP client we use to connect to a XMPP server
* \param buffer the reception buffer
* \param buf_len the size of the buffer
* \param timeout the select timer
* \retval the number of read bytes
* \retval 0 timeout expiration
* \retval -1 error
*/
static int aji_io_recv(struct aji_client *client, char *buffer, size_t buf_len, int timeout)
{
struct pollfd pfd = { .events = POLLIN };
int len, res;
#ifdef HAVE_OPENSSL
if (aji_is_secure(client)) {
pfd.fd = SSL_get_fd(client->ssl_session);
if (pfd.fd < 0) {
return -1;
}
} else
#endif /* HAVE_OPENSSL */
pfd.fd = iks_fd(client->p);
res = ast_poll(&pfd, 1, timeout > 0 ? timeout * 1000 : -1);
if (res > 0) {
#ifdef HAVE_OPENSSL
if (aji_is_secure(client)) {
len = SSL_read(client->ssl_session, buffer, buf_len);
} else
#endif /* HAVE_OPENSSL */
len = recv(pfd.fd, buffer, buf_len, 0);
if (len > 0) {
return len;
} else if (len <= 0) {
return -1;
}
}
return res;
}
/*!
* \internal
* \brief Tries to receive data from the Jabber server
* \param client the configured XMPP client we use to connect to a XMPP server
* \param timeout the timeout value
* This function receives (encrypted or unencrypted) data from the XMPP server,
* and passes it to the parser.
* \retval IKS_OK success
* \retval IKS_NET_RWERR IO error
* \retval IKS_NET_NOCONN no connection available
* \retval IKS_NET_EXPIRED timeout expiration
*/
static int aji_recv (struct aji_client *client, int timeout)
{
int len, ret;
char buf[NET_IO_BUF_SIZE - 1];
char newbuf[NET_IO_BUF_SIZE - 1];
int pos = 0;
int newbufpos = 0;
unsigned char c;
memset(buf, 0, sizeof(buf));
memset(newbuf, 0, sizeof(newbuf));
while (1) {
len = aji_io_recv(client, buf, NET_IO_BUF_SIZE - 2, timeout);
if (len < 0) return IKS_NET_RWERR;
if (len == 0) return IKS_NET_EXPIRED;
buf[len] = '\0';
/* our iksemel parser won't work as expected if we feed
it with XML packets that contain multiple whitespace
characters between tags */
while (pos < len) {
c = buf[pos];
/* if we stumble on the ending tag character,
we skip any whitespace that follows it*/
if (c == '>') {
while (isspace(buf[pos+1])) {
pos++;
}
}
newbuf[newbufpos] = c;
newbufpos ++;
pos++;
}
pos = 0;
newbufpos = 0;
/* Log the message here, because iksemel's logHook is
unaccessible */
aji_log_hook(client, buf, len, 1);
/* let iksemel deal with the string length,
and reset our buffer */
ret = iks_parse(client->p, newbuf, 0, 0);
memset(newbuf, 0, sizeof(newbuf));
switch (ret) {
case IKS_NOMEM:
ast_log(LOG_WARNING, "Parsing failure: Out of memory.\n");
break;
case IKS_BADXML:
ast_log(LOG_WARNING, "Parsing failure: Invalid XML.\n");
break;
case IKS_HOOK:
ast_log(LOG_WARNING, "Parsing failure: Hook returned an error.\n");
break;
}
if (ret != IKS_OK) {
return ret;
}
ast_debug(3, "XML parsing successful\n");
}
return IKS_OK;
}
/*!
* \internal
* \brief Sends XMPP header to the server
* \param client the configured XMPP client we use to connect to a XMPP server
* \param to the target XMPP server
* \return IKS_OK on success, any other value on failure
*/
static int aji_send_header(struct aji_client *client, const char *to)
{
char *msg;
int len, err;
len = 91 + strlen(client->name_space) + 6 + strlen(to) + 16 + 1;
msg = iks_malloc(len);
if (!msg)
return IKS_NOMEM;
sprintf(msg, "<?xml version='1.0'?>"
"<stream:stream xmlns:stream='http://etherx.jabber.org/streams' xmlns='"
"%s' to='%s' version='1.0'>", client->name_space, to);
err = aji_send_raw(client, msg);
iks_free(msg);
if (err != IKS_OK)
return err;
return IKS_OK;
}
/*!
* \brief Wraps raw sending
* \param client the configured XMPP client we use to connect to a XMPP server
* \param x the XMPP packet to send
* \return IKS_OK on success, any other value on failure
*/
int ast_aji_send(struct aji_client *client, iks *x)
{
return aji_send_raw(client, iks_string(iks_stack(x), x));
}
/*!
* \internal
* \brief Sends an XML string over an XMPP connection
* \param client the configured XMPP client we use to connect to a XMPP server
* \param xmlstr the XML string to send
* The XML data is sent whether the connection is secured or not. In the
* latter case, we just call iks_send_raw().
* \return IKS_OK on success, any other value on failure
*/
static int aji_send_raw(struct aji_client *client, const char *xmlstr)
{
int ret;
#ifdef HAVE_OPENSSL
int len = strlen(xmlstr);
if (aji_is_secure(client)) {
ret = SSL_write(client->ssl_session, xmlstr, len);
if (ret) {
/* Log the message here, because iksemel's logHook is
unaccessible */
aji_log_hook(client, xmlstr, len, 0);
return IKS_OK;
}
}
#endif
/* If needed, data will be sent unencrypted, and logHook will
be called inside iks_send_raw */
ret = iks_send_raw(client->p, xmlstr);
if (ret != IKS_OK) {
return ret;
}
return IKS_OK;
}
/*!
* \internal
* \brief the debug loop.
* \param data void
* \param xmpp xml data as string
* \param size size of string
* \param is_incoming 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);
if (!ast_strlen_zero(xmpp)) {
manager_event(EVENT_FLAG_USER, "JabberEvent", "Account: %s\r\nPacket: %s\r\n", 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, ast_aji_client_destroy);
}
/*!
* \internal
* \brief A wrapper function for iks_start_sasl
* \param client the configured XMPP client we use to connect to a XMPP server
* \param type the SASL authentication type. Supported types are PLAIN and MD5
* \param username
* \param pass password.
*
* \return IKS_OK on success, IKSNET_NOTSUPP on failure.
*/
static int aji_start_sasl(struct aji_client *client, enum ikssasltype type, char *username, char *pass)
{
iks *x = NULL;
int len;
char *s;
char *base64;
/* trigger SASL DIGEST-MD5 only over an unsecured connection.
iks_start_sasl is an iksemel API function and relies on GnuTLS,
whereas we use OpenSSL */
if ((type & IKS_STREAM_SASL_MD5) && !aji_is_secure(client))
return iks_start_sasl(client->p, IKS_SASL_DIGEST_MD5, username, pass);
if (!(type & IKS_STREAM_SASL_PLAIN)) {
ast_log(LOG_ERROR, "Server does not support SASL PLAIN authentication\n");
return IKS_NET_NOTSUPP;
}
x = iks_new("auth");
if (!x) {
ast_log(LOG_ERROR, "Out of memory.\n");
return IKS_NET_NOTSUPP;
}
iks_insert_attrib(x, "xmlns", IKS_NS_XMPP_SASL);
len = strlen(username) + strlen(pass) + 3;
s = ast_alloca(len);
base64 = ast_alloca((len + 2) * 4 / 3);
iks_insert_attrib(x, "mechanism", "PLAIN");
snprintf(s, len, "%c%s%c%s", 0, username, 0, pass);
/* exclude the NULL training byte from the base64 encoding operation
as some XMPP servers will refuse it.
The format for authentication is [authzid]\0authcid\0password
not [authzid]\0authcid\0password\0 */
ast_base64encode(base64, (const unsigned char *) s, len - 1, (len + 2) * 4 / 3);
iks_insert_cdata(x, base64, 0);
ast_aji_send(client, x);
iks_delete(x);
return IKS_OK;
}
/*!
* \internal
* \brief The action hook parses the inbound packets, constantly running.
* \param data aji client structure
* \param type type of packet
* \param node 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;
int features = 0;
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, ast_aji_client_destroy);
return IKS_HOOK;
}
if (client->state == AJI_DISCONNECTING) {
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
}
pak = iks_packet(node);
/* work around iksemel's impossibility to recognize node names
* containing a semicolon. Set the namespace of the corresponding
* node accordingly. */
if (iks_has_children(node) && strchr(iks_name(iks_child(node)), ':')) {
char *node_ns = NULL;
char attr[AJI_MAX_ATTRLEN];
char *node_name = iks_name(iks_child(node));
char *aux = strchr(node_name, ':') + 1;
snprintf(attr, strlen("xmlns:") + (strlen(node_name) - strlen(aux)), "xmlns:%s", node_name);
node_ns = iks_find_attrib(iks_child(node), attr);
if (node_ns) {
pak->ns = node_ns;
pak->query = iks_child(node);
}
}
if (!client->component) { /*client */
switch (type) {
case IKS_NODE_START:
if (client->usetls && !aji_is_secure(client)) {
#ifndef HAVE_OPENSSL
ast_log(LOG_ERROR, "TLS connection cannot be established. Please install OpenSSL and its development libraries on this system, or disable the TLS option in your configuration file\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
#else
if (aji_start_tls(client) == IKS_NET_TLSFAIL) {
ast_log(LOG_ERROR, "Could not start TLS\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
}
#endif
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);
ast_aji_send(client, auth);
iks_delete(auth);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
}
break;
case IKS_NODE_NORMAL:
#ifdef HAVE_OPENSSL
if (client->stream_flags & TRY_SECURE) {
if (!strcmp("proceed", iks_name(node))) {
return aji_tls_handshake(client);
}
}
#endif
if (!strcmp("stream:features", iks_name(node))) {
features = iks_stream_features(node);
if (client->usesasl) {
if (client->usetls && !aji_is_secure(client)) {
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);
ast_aji_send(client, 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);
ast_aji_send(client, auth);
iks_delete(auth);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
}
} else {
int ret;
if (!client->jid->user) {
ast_log(LOG_ERROR, "Malformed Jabber ID : %s (domain missing?)\n", client->jid->full);
break;
}
ret = aji_start_sasl(client, features, client->jid->user, client->password);
if (ret != IKS_OK) {
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
}
break;
}
}
} 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;
aji_send_header(client, client->jid->server);
}
break;
case IKS_NODE_ERROR:
ast_log(LOG_ERROR, "JABBER: Node Error\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
break;
case IKS_NODE_STOP:
ast_log(LOG_WARNING, "JABBER: Disconnected\n");
ASTOBJ_UNREF(client, ast_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);
if (ast_asprintf(&handshake, "<handshake>%s</handshake>", shasum) >= 0) {
aji_send_raw(client, handshake);
ast_free(handshake);
}
client->state = AJI_CONNECTING;
if (aji_recv(client, 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 authenticate.\n");
break;
}
break;
case IKS_NODE_NORMAL:
break;
case IKS_NODE_ERROR:
ast_log(LOG_ERROR, "JABBER: Node Error\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
case IKS_NODE_STOP:
ast_log(LOG_WARNING, "JABBER: Disconnected\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_HOOK;
}
}
switch (pak->type) {
case IKS_PAK_NONE:
ast_debug(1, "JABBER: I don't know what to do with paktype NONE.\n");
break;
case IKS_PAK_MESSAGE:
aji_handle_message(client, pak);
ast_debug(1, "JABBER: Handling paktype MESSAGE.\n");
break;
case IKS_PAK_PRESENCE:
aji_handle_presence(client, pak);
ast_debug(1, "JABBER: Handling paktype PRESENCE\n");
break;
case IKS_PAK_S10N:
aji_handle_subscribe(client, pak);
ast_debug(1, "JABBER: Handling paktype S10N\n");
break;
case IKS_PAK_IQ:
ast_debug(1, "JABBER: Handling paktype IQ\n");
aji_handle_iq(client, node);
break;
default:
ast_debug(1, "JABBER: I don't know anything about paktype '%d'\n", pak->type);
break;
}
iks_filter_packet(client->f, pak);
if (node)
iks_delete(node);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_OK;
}
/*!
* \internal
* \brief Unknown
* \param data void
* \param pak ikspak
* \return IKS_FILTER_EAT.
*/
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");
ast_aji_send(client, 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);
ast_aji_send(client, presence);
}
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(presence);
iks_delete(x);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief register handler for incoming querys (IQ's)
* \param data incoming aji_client request
* \param pak ikspak
* \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;
iks *iq = NULL, *query = NULL;
client = (struct aji_client *) data;
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
if (!buddy) {
iks *error = NULL, *notacceptable = NULL;
ast_log(LOG_ERROR, "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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(error);
iks_delete(notacceptable);
} else if (!(node = iks_find_attrib(pak->query, "node"))) {
iks *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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(instructions);
}
iks_delete(iq);
iks_delete(query);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief Handles stuff
* \param data void
* \param pak ikspak
* \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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
iks_delete(feature);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief Handle add extra info
* \param data void
* \param pak ikspak
* \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(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of Memory.\n");
}
iks_delete(iq);
iks_delete(query);
iks_delete(ident);
iks_delete(google);
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(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief Handler of the return info packet
* \param data aji_client
* \param pak ikspak
* \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);
if (pak->subtype == IKS_TYPE_ERROR) {
ast_log(LOG_WARNING, "Received error from a client, turn on jabber debug!\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
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(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
iks_delete(identity);
iks_delete(disco);
iks_delete(reg);
iks_delete(commands);
iks_delete(gateway);
iks_delete(version);
iks_delete(vcard);
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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
iks_delete(query);
iks_delete(feature);
}
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief Handles \verbatim <iq> \endverbatim stanzas.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node iks
* \return void.
*/
static void aji_handle_iq(struct aji_client *client, iks *node)
{
/*Nothing to see here */
}
/*!
* \internal
* \brief Handles \verbatim <message>\endverbatim stanzas.
* Adds the incoming message to the client's message list.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param pak ikspak the node
*/
static void aji_handle_message(struct aji_client *client, ikspak *pak)
{
struct aji_message *insert;
int deleted = 0;
struct ast_msg *msg;
ast_debug(3, "client %s received a message\n", client->name);
if (!(insert = ast_calloc(1, sizeof(*insert)))) {
return;
}
insert->arrived = ast_tvnow();
/* wake up threads waiting for messages */
ast_mutex_lock(&messagelock);
ast_cond_broadcast(&message_received_condition);
ast_mutex_unlock(&messagelock);
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->id));
}
if (pak->from){
/* insert will furtherly be added to message list */
insert->from = ast_strdup(pak->from->full);
if (!insert->from) {
ast_free(insert);
ast_log(LOG_ERROR, "Memory allocation failure\n");
return;
}
ast_debug(3, "message comes from %s\n", insert->from);
}
if (client->send_to_dialplan) {
if ((msg = ast_msg_alloc())) {
int res;
res = ast_msg_set_to(msg, "xmpp:%s", client->user);
res |= ast_msg_set_from(msg, "xmpp:%s", insert->from);
res |= ast_msg_set_body(msg, "%s", insert->message);
res |= ast_msg_set_context(msg, "%s", client->context);
if (res) {
ast_msg_destroy(msg);
} else {
ast_msg_queue(msg);
}
msg = NULL;
}
}
/* remove old messages received from this JID
* and insert received message */
deleted = delete_old_messages(client, pak->from->partial);
ast_debug(3, "Deleted %d messages for client %s from JID %s\n", deleted, client->name, pak->from->partial);
AST_LIST_LOCK(&client->messages);
AST_LIST_INSERT_HEAD(&client->messages, insert, list);
AST_LIST_UNLOCK(&client->messages);
}
/*!
* \internal
* \brief handles \verbatim <presence>\endverbatim stanzas.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param pak ikspak
*/
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 && pak->from->partial) {
/* allow our jid to be used to log in with another resource */
if (!strcmp((const char *)pak->from->partial, (const char *)client->jid->partial))
aji_create_buddy(pak->from->partial, client);
else
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"), client->status, 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 && pak->from->resource) {
if (!strcasecmp(tmp->resource, pak->from->resource)) {
tmp->status = status;
if (tmp->description) {
ast_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;
}
}
ast_free(found);
found = NULL;
break;
}
/* resource list is sorted by descending priority */
if (tmp->priority != priority) {
found->priority = priority;
if (!last && !found->next) {
/* resource was found to be unique,
leave loop */
break;
}
/* search for resource in our list
and take it out for the moment */
if (last) {
last->next = found->next;
} else {
buddy->resources = found->next;
}
last = NULL;
tmp = buddy->resources;
if (!buddy->resources) {
buddy->resources = found;
}
/* priority processing */
while (tmp) {
/* insert resource back according to
its priority value */
if (found->priority > tmp->priority) {
if (last) {
/* insert within list */
last->next = found;
}
found->next = tmp;
if (!last) {
/* insert on top */
buddy->resources = found;
}
break;
}
if (!tmp->next) {
/* insert at the end of the list */
tmp->next = found;
found->next = NULL;
break;
}
last = tmp;
tmp = tmp->next;
}
}
break;
}
last = tmp;
tmp = tmp->next;
}
/* resource not found in our list, create it */
if (!found && status != 6 && pak->from->resource) {
found = ast_calloc(1, sizeof(*found));
if (!found) {
ast_log(LOG_ERROR, "Out of memory!\n");
ASTOBJ_UNLOCK(buddy);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
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, ast_aji_buddy_destroy);
node = iks_find_attrib(iks_find(pak->x, "c"), "node");
ver = iks_find_attrib(iks_find(pak->x, "c"), "ver");
/* handle gmail client's special caps:c tag */
if (!node && !ver) {
node = iks_find_attrib(iks_find(pak->x, "caps:c"), "node");
ver = iks_find_attrib(iks_find(pak->x, "caps:c"), "ver");
}
/* retrieve capabilites of the new resource */
if (status != 6 && found && !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) {
ast_debug(1, "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", client->jid->full);
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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(query);
iks_delete(iq);
}
}
switch (pak->subtype) {
case IKS_TYPE_AVAILABLE:
ast_debug(3, "JABBER: I am available ^_* %i\n", pak->subtype);
break;
case IKS_TYPE_UNAVAILABLE:
ast_debug(3, "JABBER: I am unavailable ^_* %i\n", pak->subtype);
break;
default:
ast_debug(3, "JABBER: Ohh sexy and the wrong type: %i\n", pak->subtype);
}
switch (pak->show) {
case IKS_SHOW_UNAVAILABLE:
ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
break;
case IKS_SHOW_AVAILABLE:
ast_debug(3, "JABBER: type is available\n");
break;
case IKS_SHOW_CHAT:
ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
break;
case IKS_SHOW_AWAY:
ast_debug(3, "JABBER: type is away\n");
break;
case IKS_SHOW_XA:
ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
break;
case IKS_SHOW_DND:
ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
break;
default:
ast_debug(3, "JABBER: Kinky! how did that happen %i\n", pak->show);
}
if (found) {
manager_event(EVENT_FLAG_USER, "JabberStatus",
"Account: %s\r\nJID: %s\r\nResource: %s\r\nStatus: %d\r\nPriority: %d"
"\r\nDescription: %s\r\n",
client->name, pak->from->partial, found->resource, found->status,
found->priority, S_OR(found->description, ""));
} else {
manager_event(EVENT_FLAG_USER, "JabberStatus",
"Account: %s\r\nJID: %s\r\nStatus: %d\r\n",
client->name, pak->from->partial, pak->show ? pak->show : IKS_SHOW_UNAVAILABLE);
}
}
/*!
* \internal
* \brief handles subscription requests.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param pak ikspak iksemel packet.
* \return void.
*/
static void aji_handle_subscribe(struct aji_client *client, ikspak *pak)
{
iks *presence = NULL, *status = NULL;
struct aji_buddy* buddy = NULL;
switch (pak->subtype) {
case IKS_TYPE_SUBSCRIBE:
if (ast_test_flag(&client->flags, AJI_AUTOACCEPT)) {
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", client->jid->full);
if (pak->id)
iks_insert_attrib(presence, "id", pak->id);
iks_insert_cdata(status, "Asterisk has approved subscription", 0);
iks_insert_node(presence, status);
ast_aji_send(client, presence);
} else {
ast_log(LOG_ERROR, "Unable to allocate nodes\n");
}
iks_delete(presence);
iks_delete(status);
}
if (client->component)
aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), client->status, client->statusmessage);
case IKS_TYPE_SUBSCRIBED:
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
if (!buddy && pak->from->partial) {
aji_create_buddy(pak->from->partial, client);
} else if (buddy) {
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
}
default:
if (option_verbose > 4) {
ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
}
}
}
/*!
* \brief sends messages.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param address
* \param message
* \retval IKS_OK success
* \retval -1 failure
*/
int ast_aji_send_chat(struct aji_client *client, const char *address, const char *message)
{
return aji_send_raw_chat(client, 0, NULL, address, message);
}
/*!
* \brief sends message to a groupchat
* Prior to sending messages to a groupchat, one must be connected to it.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param nick the nickname we use in the chatroom
* \param address the user the messages must be sent to
* \param message the message to send
* \return IKS_OK on success, any other value on failure
*/
int ast_aji_send_groupchat(struct aji_client *client, const char *nick, const char *address, const char *message) {
return aji_send_raw_chat(client, 1, nick, address, message);
}
/*!
* \brief sends messages.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param groupchat
* \param nick the nickname we use in chatrooms
* \param address
* \param message
* \return IKS_OK on success, any other value on failure
*/
static int aji_send_raw_chat(struct aji_client *client, int groupchat, const char *nick, const char *address, const char *message)
{
int res = 0;
iks *message_packet = NULL;
char from[AJI_MAX_JIDLEN];
/* the nickname is used only in component mode */
if (nick && client->component) {
snprintf(from, AJI_MAX_JIDLEN, "%s@%s/%s", nick, client->jid->full, nick);
} else {
snprintf(from, AJI_MAX_JIDLEN, "%s", client->jid->full);
}
if (client->state != AJI_CONNECTED) {
ast_log(LOG_WARNING, "JABBER: Not connected can't send\n");
return -1;
}
message_packet = iks_make_msg(groupchat ? IKS_TYPE_GROUPCHAT : IKS_TYPE_CHAT, address, message);
if (!message_packet) {
ast_log(LOG_ERROR, "Out of memory.\n");
return -1;
}
iks_insert_attrib(message_packet, "from", from);
res = ast_aji_send(client, message_packet);
iks_delete(message_packet);
return res;
}
/*!
* \brief create a chatroom.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param room name of room
* \param server name of server
* \param topic 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);
ast_aji_send(client, iq);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(iq);
return res;
}
/*!
* \brief join a chatroom.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param room room to join
* \param nick the nickname to use in this room
* \return IKS_OK on success, any other value on failure.
*/
int ast_aji_join_chat(struct aji_client *client, char *room, char *nick)
{
return aji_set_group_presence(client, room, IKS_SHOW_AVAILABLE, nick, NULL);
}
/*!
* \brief leave a chatroom.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param room room to leave
* \param nick the nickname used in this room
* \return IKS_OK on success, any other value on failure.
*/
int ast_aji_leave_chat(struct aji_client *client, char *room, char *nick)
{
return aji_set_group_presence(client, room, IKS_SHOW_UNAVAILABLE, nick, NULL);
}
/*!
* \brief invite to a chatroom.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param user
* \param room
* \param 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 = ast_aji_send(client, invite);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(body);
iks_delete(namespace);
iks_delete(invite);
return res;
}
/*!
* \internal
* \brief receive message loop.
* \param data void
* \return void.
*/
static void *aji_recv_loop(void *data)
{
struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
int res = IKS_HOOK;
while (res != IKS_OK) {
ast_debug(3, "JABBER: Connecting.\n");
res = aji_reconnect(client);
sleep(4);
}
do {
if (res == IKS_NET_RWERR || client->timeout == 0) {
while (res != IKS_OK) {
ast_debug(3, "JABBER: reconnecting.\n");
res = aji_reconnect(client);
sleep(4);
}
}
res = aji_recv(client, 1);
if (client->state == AJI_DISCONNECTING) {
ast_debug(2, "Ending our Jabber client's thread due to a disconnect\n");
pthread_exit(NULL);
}
/* Decrease timeout if no data received, and delete
* old messages globally */
if (res == IKS_NET_EXPIRED) {
client->timeout--;
delete_old_messages_all(client);
}
if (res == IKS_HOOK) {
ast_log(LOG_WARNING, "JABBER: Got hook event.\n");
} else if (res == IKS_NET_TLSFAIL) {
ast_log(LOG_ERROR, "JABBER: Failure in TLS.\n");
} else if (client->timeout == 0 && client->state == AJI_CONNECTED) {
res = client->keepalive ? aji_send_raw(client, " ") : IKS_OK;
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, ast_aji_client_destroy);
return 0;
}
/*!
* \brief increments the mid field for messages and other events.
* \param mid char.
* \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';
}
}
#if 0
/*!
* \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 = ast_aji_send(client, send);
} else
ast_log(LOG_ERROR, "Out of memory.\n");
if (send)
iks_delete(send);
ASTOBJ_UNREF(client, ast_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 = ast_aji_send(client, 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, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
#endif
/*!
* \internal
* \brief goes through roster and prunes users not needed in list, or adds them accordingly.
* \param client the configured XMPP client we use to connect to a XMPP server
* \return void.
* \note The messages here should be configurable.
*/
static void aji_pruneregister(struct aji_client *client)
{
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) {
ast_log(LOG_ERROR, "Out of memory.\n");
goto safeout;
}
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->flags, AJI_AUTOPRUNE)) { /* If autoprune is set on jabber.conf */
ast_aji_send(client, 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"));
ast_aji_send(client, 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");
ast_aji_send(client, removeiq);
} else if (ast_test_flag(&iterator->flags, AJI_AUTOREGISTER)) {
ast_aji_send(client, 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->flags, AJI_AUTOREGISTER);
}
ASTOBJ_UNLOCK(iterator);
});
safeout:
iks_delete(removeiq);
iks_delete(removequery);
iks_delete(removeitem);
iks_delete(send);
ASTOBJ_CONTAINER_PRUNE_MARKED(&client->buddies, ast_aji_buddy_destroy);
}
/*!
* \internal
* \brief filters the roster packet we get back from server.
* \param data void
* \param pak ikspak iksemel 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->flags, AJI_AUTOPRUNE | AJI_AUTOREGISTER);
}
}
x = iks_next(x);
}
if (!flag) {
ast_copy_flags(&iterator->flags, &client->flags, AJI_AUTOREGISTER);
}
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) {
/* found buddy, don't create a new one */
x = iks_next(x);
continue;
}
buddy = ast_calloc(1, sizeof(*buddy));
if (!buddy) {
ast_log(LOG_WARNING, "Out of memory\n");
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return 0;
}
ASTOBJ_INIT(buddy);
ASTOBJ_WRLOCK(buddy);
ast_copy_string(buddy->name, iks_find_attrib(x, "jid"), sizeof(buddy->name));
ast_clear_flag(&buddy->flags, AST_FLAGS_ALL);
if (ast_test_flag(&client->flags, AJI_AUTOPRUNE)) {
ast_set_flag(&buddy->flags, AJI_AUTOPRUNE);
ASTOBJ_MARK(buddy);
} else if (ast_test_flag(&client->flags, AJI_AUTOREGISTER)) {
if (!iks_strcmp(iks_find_attrib(x, "subscription"), "none") || !iks_strcmp(iks_find_attrib(x, "subscription"), "from")) {
/* subscribe to buddy's presence only
if we really need to */
ast_set_flag(&buddy->flags, AJI_AUTOREGISTER);
}
}
ASTOBJ_UNLOCK(buddy);
if (buddy) {
ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
}
}
x = iks_next(x);
}
iks_delete(x);
aji_pruneregister(client);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \internal
* \brief reconnect to jabber server
* \param client the configured XMPP client we use to connect to a XMPP server
* \return res.
*/
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;
}
res = aji_initialize(client);
return res;
}
/*!
* \internal
* \brief Get the roster of jabber users
* \param client the configured XMPP client we use to connect to a XMPP server
* \return 1.
*/
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, client->status, client->statusmessage);
ast_aji_send(client, roster);
}
iks_delete(roster);
return 1;
}
/*!
* \internal
* \brief connects as a client to jabber server.
* \param data void
* \param pak ikspak iksemel packet
* \return res.
*/
static int aji_client_connect(void *data, ikspak *pak)
{
struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
int res = IKS_FILTER_PASS;
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;
if (!client->component) { /*client*/
aji_get_roster(client);
}
if (client->distribute_events) {
aji_init_event_distribution(client);
}
iks_filter_remove_hook(client->f, aji_client_connect);
/* Once we remove the hook for this routine, we must return EAT or we will crash or corrupt memory */
res = IKS_FILTER_EAT;
}
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return res;
}
/*!
* \internal
* \brief prepares client for connect.
* \param client the configured XMPP client we use to connect to a XMPP server
* \return 1.
*/
static int aji_initialize(struct aji_client *client)
{
int connected = IKS_NET_NOCONN;
#ifdef HAVE_OPENSSL
/* reset stream flags */
client->stream_flags = 0;
#endif
/* If it's a component, connect to user, otherwise, connect to server */
connected = iks_connect_via(client->p, S_OR(client->serverhost, client->jid->server), client->port, client->component ? client->user : 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;
}
return IKS_OK;
}
/*!
* \brief disconnect from jabber server.
* \param client the configured XMPP client we use to connect to a XMPP server
* \return 1.
*/
int ast_aji_disconnect(struct aji_client *client)
{
if (client) {
ast_verb(4, "JABBER: Disconnecting\n");
#ifdef HAVE_OPENSSL
if (client->stream_flags & SECURE) {
SSL_shutdown(client->ssl_session);
SSL_CTX_free(client->ssl_context);
SSL_free(client->ssl_session);
}
#endif
iks_disconnect(client->p);
iks_parser_delete(client->p);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
}
return 1;
}
/*!
* \brief Callback function for MWI events
* \param ast_event
* \param data void pointer to ast_client structure
* \return void
*/
static void aji_mwi_cb(const struct ast_event *ast_event, void *data)
{
const char *mailbox;
const char *context;
char oldmsgs[10];
char newmsgs[10];
struct aji_client *client;
if (ast_eid_cmp(&ast_eid_default, ast_event_get_ie_raw(ast_event, AST_EVENT_IE_EID)))
{
/* If the event didn't originate from this server, don't send it back out. */
ast_debug(1, "Returning here\n");
return;
}
client = ASTOBJ_REF((struct aji_client *) data);
mailbox = ast_event_get_ie_str(ast_event, AST_EVENT_IE_MAILBOX);
context = ast_event_get_ie_str(ast_event, AST_EVENT_IE_CONTEXT);
snprintf(oldmsgs, sizeof(oldmsgs), "%d",
ast_event_get_ie_uint(ast_event, AST_EVENT_IE_OLDMSGS));
snprintf(newmsgs, sizeof(newmsgs), "%d",
ast_event_get_ie_uint(ast_event, AST_EVENT_IE_NEWMSGS));
aji_publish_mwi(client, mailbox, context, oldmsgs, newmsgs);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
}
/*!
* \brief Callback function for device state events
* \param ast_event
* \param data void pointer to ast_client structure
* \return void
*/
static void aji_devstate_cb(const struct ast_event *ast_event, void *data)
{
const char *device;
const char *device_state;
struct aji_client *client;
if (ast_eid_cmp(&ast_eid_default, ast_event_get_ie_raw(ast_event, AST_EVENT_IE_EID)))
{
/* If the event didn't originate from this server, don't send it back out. */
ast_debug(1, "Returning here\n");
return;
}
client = ASTOBJ_REF((struct aji_client *) data);
device = ast_event_get_ie_str(ast_event, AST_EVENT_IE_DEVICE);
device_state = ast_devstate_str(ast_event_get_ie_uint(ast_event, AST_EVENT_IE_STATE));
aji_publish_device_state(client, device, device_state);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
}
/*!
* \brief Initialize collections for event distribution
* \param client the configured XMPP client we use to connect to a XMPP server
* \return void
*/
static void aji_init_event_distribution(struct aji_client *client)
{
if (!mwi_sub) {
mwi_sub = ast_event_subscribe(AST_EVENT_MWI, aji_mwi_cb, "aji_mwi_subscription",
client, AST_EVENT_IE_END);
}
if (!device_state_sub) {
if (ast_enable_distributed_devstate()) {
return;
}
device_state_sub = ast_event_subscribe(AST_EVENT_DEVICE_STATE_CHANGE,
aji_devstate_cb, "aji_devstate_subscription", client, AST_EVENT_IE_END);
ast_event_dump_cache(device_state_sub);
}
aji_pubsub_subscribe(client, "device_state");
aji_pubsub_subscribe(client, "message_waiting");
iks_filter_add_rule(client->f, aji_handle_pubsub_event, client, IKS_RULE_TYPE,
IKS_PAK_MESSAGE, IKS_RULE_FROM, client->pubsub_node, IKS_RULE_DONE);
iks_filter_add_rule(client->f, aji_handle_pubsub_error, client, IKS_RULE_TYPE,
IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_ERROR, IKS_RULE_DONE);
}
/*!
* \brief Callback for handling PubSub events
* \param data void pointer to aji_client structure
* \return IKS_FILTER_EAT
*/
static int aji_handle_pubsub_event(void *data, ikspak *pak)
{
char *item_id, *device_state, *context;
int oldmsgs, newmsgs;
iks *item, *item_content;
struct ast_eid pubsub_eid;
struct ast_event *event;
item = iks_find(iks_find(iks_find(pak->x, "event"), "items"), "item");
if (!item) {
ast_log(LOG_ERROR, "Could not parse incoming PubSub event\n");
return IKS_FILTER_EAT;
}
item_id = iks_find_attrib(item, "id");
item_content = iks_child(item);
ast_str_to_eid(&pubsub_eid, iks_find_attrib(item_content, "eid"));
if (!ast_eid_cmp(&ast_eid_default, &pubsub_eid)) {
ast_debug(1, "Returning here, eid of incoming event matches ours!\n");
return IKS_FILTER_EAT;
}
if (!strcasecmp(iks_name(item_content), "state")) {
device_state = iks_find_cdata(item, "state");
if (!(event = ast_event_new(AST_EVENT_DEVICE_STATE_CHANGE,
AST_EVENT_IE_DEVICE, AST_EVENT_IE_PLTYPE_STR, item_id, AST_EVENT_IE_STATE,
AST_EVENT_IE_PLTYPE_UINT, ast_devstate_val(device_state), AST_EVENT_IE_EID,
AST_EVENT_IE_PLTYPE_RAW, &pubsub_eid, sizeof(pubsub_eid),
AST_EVENT_IE_END))) {
return IKS_FILTER_EAT;
}
} else if (!strcasecmp(iks_name(item_content), "mailbox")) {
context = strsep(&item_id, "@");
sscanf(iks_find_cdata(item_content, "OLDMSGS"), "%10d", &oldmsgs);
sscanf(iks_find_cdata(item_content, "NEWMSGS"), "%10d", &newmsgs);
if (!(event = ast_event_new(AST_EVENT_MWI, AST_EVENT_IE_MAILBOX,
AST_EVENT_IE_PLTYPE_STR, item_id, AST_EVENT_IE_CONTEXT,
AST_EVENT_IE_PLTYPE_STR, context, AST_EVENT_IE_OLDMSGS,
AST_EVENT_IE_PLTYPE_UINT, oldmsgs, AST_EVENT_IE_NEWMSGS,
AST_EVENT_IE_PLTYPE_UINT, newmsgs, AST_EVENT_IE_EID, AST_EVENT_IE_PLTYPE_RAW,
&pubsub_eid, sizeof(pubsub_eid), AST_EVENT_IE_END))) {
return IKS_FILTER_EAT;
}
} else {
ast_debug(1, "Don't know how to handle PubSub event of type %s\n",
iks_name(item_content));
return IKS_FILTER_EAT;
}
ast_event_queue_and_cache(event);
return IKS_FILTER_EAT;
}
/*!
* \brief Add Owner affiliations for pubsub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node the name of the node to which to add affiliations
* \return void
*/
static void aji_create_affiliations(struct aji_client *client, const char *node)
{
iks *modify_affiliates = aji_pubsub_iq_create(client, "set");
iks *pubsub, *affiliations, *affiliate;
pubsub = iks_insert(modify_affiliates, "pubsub");
iks_insert_attrib(pubsub, "xmlns", "http://jabber.org/protocol/pubsub#owner");
affiliations = iks_insert(pubsub, "affiliations");
iks_insert_attrib(affiliations, "node", node);
ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
ASTOBJ_RDLOCK(iterator);
affiliate = iks_insert(affiliations, "affiliation");
iks_insert_attrib(affiliate, "jid", iterator->name);
iks_insert_attrib(affiliate, "affiliation", "owner");
ASTOBJ_UNLOCK(iterator);
});
ast_aji_send(client, modify_affiliates);
iks_delete(modify_affiliates);
}
/*!
* \brief Subscribe to a PubSub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node the name of the node to which to subscribe
* \return void
*/
static void aji_pubsub_subscribe(struct aji_client *client, const char *node)
{
iks *request = aji_pubsub_iq_create(client, "set");
iks *pubsub, *subscribe;
pubsub = iks_insert(request, "pubsub");
iks_insert_attrib(pubsub, "xmlns", "http://jabber.org/protocol/pubsub");
subscribe = iks_insert(pubsub, "subscribe");
iks_insert_attrib(subscribe, "jid", client->jid->partial);
iks_insert_attrib(subscribe, "node", node);
if (ast_test_flag(&globalflags, AJI_XEP0248)) {
iks *options, *x, *sub_options, *sub_type, *sub_depth;
options = iks_insert(pubsub, "options");
x = iks_insert(options, "x");
iks_insert_attrib(x, "xmlns", "jabber:x:data");
iks_insert_attrib(x, "type", "submit");
sub_options = iks_insert(x, "field");
iks_insert_attrib(sub_options, "var", "FORM_TYPE");
iks_insert_attrib(sub_options, "type", "hidden");
iks_insert_cdata(iks_insert(sub_options, "value"),
"http://jabber.org/protocol/pubsub#subscribe_options", 51);
sub_type = iks_insert(x, "field");
iks_insert_attrib(sub_type, "var", "pubsub#subscription_type");
iks_insert_cdata(iks_insert(sub_type, "value"), "items", 5);
sub_depth = iks_insert(x, "field");
iks_insert_attrib(sub_type, "var", "pubsub#subscription_depth");
iks_insert_cdata(iks_insert(sub_depth, "value"), "all", 3);
}
ast_aji_send(client, request);
iks_delete(request);
}
/*!
* \brief Build the skeleton of a publish
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node Name of the node that will be published to
* \param event_type
* \return iks *
*/
static iks* aji_build_publish_skeleton(struct aji_client *client, const char *node,
const char *event_type)
{
iks *request = aji_pubsub_iq_create(client, "set");
iks *pubsub, *publish, *item;
pubsub = iks_insert(request, "pubsub");
iks_insert_attrib(pubsub, "xmlns", "http://jabber.org/protocol/pubsub");
publish = iks_insert(pubsub, "publish");
if (ast_test_flag(&globalflags, AJI_XEP0248)) {
iks_insert_attrib(publish, "node", node);
} else {
iks_insert_attrib(publish, "node", event_type);
}
item = iks_insert(publish, "item");
iks_insert_attrib(item, "id", node);
return item;
}
/*!
* \brief Publish device state to a PubSub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param device the name of the device whose state to publish
* \param device_state the state to publish
* \return void
*/
static void aji_publish_device_state(struct aji_client *client, const char *device,
const char *device_state)
{
iks *request = aji_build_publish_skeleton(client, device, "device_state");
iks *state;
char eid_str[20];
if (ast_test_flag(&pubsubflags, AJI_PUBSUB_AUTOCREATE)) {
if (ast_test_flag(&pubsubflags, AJI_XEP0248)) {
aji_create_pubsub_node(client, "leaf", device, "device_state");
} else {
aji_create_pubsub_node(client, NULL, device, NULL);
}
}
ast_eid_to_str(eid_str, sizeof(eid_str), &ast_eid_default);
state = iks_insert(request, "state");
iks_insert_attrib(state, "xmlns", "http://asterisk.org");
iks_insert_attrib(state, "eid", eid_str);
iks_insert_cdata(state, device_state, strlen(device_state));
ast_aji_send(client, iks_root(request));
iks_delete(request);
}
/*!
* \brief Publish MWI to a PubSub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param device the name of the device whose state to publish
* \param device_state the state to publish
* \return void
*/
static void aji_publish_mwi(struct aji_client *client, const char *mailbox,
const char *context, const char *oldmsgs, const char *newmsgs)
{
char full_mailbox[AST_MAX_EXTENSION+AST_MAX_CONTEXT];
char eid_str[20];
iks *mailbox_node, *request;
snprintf(full_mailbox, sizeof(full_mailbox), "%s@%s", mailbox, context);
request = aji_build_publish_skeleton(client, full_mailbox, "message_waiting");
ast_eid_to_str(eid_str, sizeof(eid_str), &ast_eid_default);
mailbox_node = iks_insert(request, "mailbox");
iks_insert_attrib(mailbox_node, "xmlns", "http://asterisk.org");
iks_insert_attrib(mailbox_node, "eid", eid_str);
iks_insert_cdata(iks_insert(mailbox_node, "NEWMSGS"), newmsgs, strlen(newmsgs));
iks_insert_cdata(iks_insert(mailbox_node, "OLDMSGS"), oldmsgs, strlen(oldmsgs));
ast_aji_send(client, iks_root(request));
iks_delete(request);
}
/*!
* \brief Create an IQ packet
* \param client the configured XMPP client we use to connect to a XMPP server
* \param type the type of IQ packet to create
* \return iks*
*/
static iks* aji_pubsub_iq_create(struct aji_client *client, const char *type)
{
iks *request = iks_new("iq");
iks_insert_attrib(request, "to", client->pubsub_node);
iks_insert_attrib(request, "from", client->jid->full);
iks_insert_attrib(request, "type", type);
ast_aji_increment_mid(client->mid);
iks_insert_attrib(request, "id", client->mid);
return request;
}
static int aji_handle_pubsub_error(void *data, ikspak *pak)
{
char *node_name;
char *error;
int error_num;
iks *orig_request;
iks *orig_pubsub = iks_find(pak->x, "pubsub");
struct aji_client *client;
if (!orig_pubsub) {
ast_log(LOG_ERROR, "Error isn't a PubSub error, why are we here?\n");
return IKS_FILTER_EAT;
}
orig_request = iks_child(orig_pubsub);
error = iks_find_attrib(iks_find(pak->x, "error"), "code");
node_name = iks_find_attrib(orig_request, "node");
if (!sscanf(error, "%30d", &error_num)) {
return IKS_FILTER_EAT;
}
if (error_num > 399 && error_num < 500 && error_num != 404) {
ast_log(LOG_ERROR,
"Error performing operation on PubSub node %s, %s.\n", node_name, error);
return IKS_FILTER_EAT;
} else if (error_num > 499 && error_num < 600) {
ast_log(LOG_ERROR, "PubSub Server error, %s\n", error);
return IKS_FILTER_EAT;
}
client = ASTOBJ_REF((struct aji_client *) data);
if (!strcasecmp(iks_name(orig_request), "publish")) {
iks *request;
if (ast_test_flag(&pubsubflags, AJI_XEP0248)) {
if (iks_find(iks_find(orig_request, "item"), "state")) {
aji_create_pubsub_leaf(client, "device_state", node_name);
} else if (iks_find(iks_find(orig_request, "item"), "mailbox")) {
aji_create_pubsub_leaf(client, "message_waiting", node_name);
}
} else {
aji_create_pubsub_node(client, NULL, node_name, NULL);
}
request = aji_pubsub_iq_create(client, "set");
iks_insert_node(request, orig_pubsub);
ast_aji_send(client, request);
iks_delete(request);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
} else if (!strcasecmp(iks_name(orig_request), "subscribe")) {
if (ast_test_flag(&pubsubflags, AJI_XEP0248)) {
aji_create_pubsub_collection(client, node_name);
} else {
aji_create_pubsub_node(client, NULL, node_name, NULL);
}
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \brief Request item list from pubsub
* \param client the configured XMPP client we use to connect to a XMPP server
* \param collection name of the collection for request
* \return void
*/
static void aji_request_pubsub_nodes(struct aji_client *client, const char *collection)
{
iks *request = aji_build_node_request(client, collection);
iks_filter_add_rule(client->f, aji_receive_node_list, client, IKS_RULE_TYPE,
IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, client->mid,
IKS_RULE_DONE);
ast_aji_send(client, request);
iks_delete(request);
}
/*!
* \brief Build the a node request
* \param client the configured XMPP client we use to connect to a XMPP server
* \param collection name of the collection for request
* \return iks*
*/
static iks* aji_build_node_request(struct aji_client *client, const char *collection)
{
iks *request = aji_pubsub_iq_create(client, "get");
iks *query;
query = iks_insert(request, "query");
iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
if (collection) {
iks_insert_attrib(query, "node", collection);
}
return request;
}
/*!
* \brief Receive pubsub item lists
* \param data pointer to aji_client structure
* \param pak response from pubsub diso#items query
* \return IKS_FILTER_EAT
*/
static int aji_receive_node_list(void *data, ikspak* pak)
{
struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
iks *item = NULL;
if (iks_has_children(pak->query)) {
item = iks_first_tag(pak->query);
ast_verbose("Connection %s: %s\nNode name: %s\n", client->name, client->jid->partial,
iks_find_attrib(item, "node"));
while ((item = iks_next_tag(item))) {
ast_verbose("Node name: %s\n", iks_find_attrib(item, "node"));
}
}
if (item) {
iks_delete(item);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return IKS_FILTER_EAT;
}
/*!
* \brief Method to expose PubSub node list via CLI.
* \param e pointer to ast_cli_entry structure
* \param cmd
* \param a pointer to ast_cli_args structure
* \return char *
*/
static char *aji_cli_list_pubsub_nodes(struct ast_cli_entry *e, int cmd, struct
ast_cli_args *a)
{
struct aji_client *client;
const char *name = NULL;
const char *collection = NULL;
switch (cmd) {
case CLI_INIT:
e->command = "jabber list nodes";
e->usage =
"Usage: jabber list nodes <connection> [collection]\n"
" Lists the user's nodes on the respective connection\n"
" ([connection] as configured in jabber.conf.)\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc > 5 || a->argc < 4) {
return CLI_SHOWUSAGE;
} else if (a->argc == 4 || a->argc == 5) {
name = a->argv[3];
}
if (a->argc == 5) {
collection = a->argv[4];
}
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
ast_cli(a->fd, "Listing pubsub nodes.\n");
aji_request_pubsub_nodes(client, collection);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return CLI_SUCCESS;
}
/*!
* \brief Method to purge PubSub nodes via CLI.
* \param e pointer to ast_cli_entry structure
* \param cmd
* \param a pointer to ast_cli_args structure
* \return char *
*/
static char *aji_cli_purge_pubsub_nodes(struct ast_cli_entry *e, int cmd, struct
ast_cli_args *a)
{
struct aji_client *client;
const char *name;
switch (cmd) {
case CLI_INIT:
e->command = "jabber purge nodes";
e->usage =
"Usage: jabber purge nodes <connection> <node>\n"
" Purges nodes on PubSub server\n"
" as configured in jabber.conf.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 5) {
return CLI_SHOWUSAGE;
}
name = a->argv[3];
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
if (ast_test_flag(&pubsubflags, AJI_XEP0248)) {
aji_pubsub_purge_nodes(client, a->argv[4]);
} else {
aji_delete_pubsub_node(client, a->argv[4]);
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return CLI_SUCCESS;
}
static void aji_pubsub_purge_nodes(struct aji_client *client, const char* collection_name)
{
iks *request = aji_build_node_request(client, collection_name);
ast_aji_send(client, request);
iks_filter_add_rule(client->f, aji_delete_node_list, client, IKS_RULE_TYPE,
IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, client->mid,
IKS_RULE_DONE);
ast_aji_send(client, request);
iks_delete(request);
}
/*!
* \brief Delete pubsub item lists
* \param data pointer to aji_client structure
* \param pak response from pubsub diso#items query
* \return IKS_FILTER_EAT
*/
static int aji_delete_node_list(void *data, ikspak* pak)
{
struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
iks *item = NULL;
if (iks_has_children(pak->query)) {
item = iks_first_tag(pak->query);
ast_log(LOG_WARNING, "Connection: %s Node name: %s\n", client->jid->partial,
iks_find_attrib(item, "node"));
while ((item = iks_next_tag(item))) {
aji_delete_pubsub_node(client, iks_find_attrib(item, "node"));
}
}
if (item) {
iks_delete(item);
}
return IKS_FILTER_EAT;
}
/*!
* \brief Method to expose PubSub node deletion via CLI.
* \param e pointer to ast_cli_entry structure
* \param cmd
* \param a pointer to ast_cli_args structure
* \return char *
*/
static char *aji_cli_delete_pubsub_node(struct ast_cli_entry *e, int cmd, struct
ast_cli_args *a)
{
struct aji_client *client;
const char *name;
switch (cmd) {
case CLI_INIT:
e->command = "jabber delete node";
e->usage =
"Usage: jabber delete node <connection> <node>\n"
" Deletes a node on PubSub server\n"
" as configured in jabber.conf.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 5) {
return CLI_SHOWUSAGE;
}
name = a->argv[3];
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
aji_delete_pubsub_node(client, a->argv[4]);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return CLI_SUCCESS;
}
/*!
* \brief Delete a PubSub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node_name the name of the node to delete
* return void
*/
static void aji_delete_pubsub_node(struct aji_client *client, const char *node_name)
{
iks *request = aji_pubsub_iq_create(client, "set");
iks *pubsub, *delete;
pubsub = iks_insert(request, "pubsub");
iks_insert_attrib(pubsub, "xmlns", "http://jabber.org/protocol/pubsub#owner");
delete = iks_insert(pubsub, "delete");
iks_insert_attrib(delete, "node", node_name);
ast_aji_send(client, request);
}
/*!
* \brief Create a PubSub collection node.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param collection_name The name to use for this collection
* \return void.
*/
static void aji_create_pubsub_collection(struct aji_client *client, const char
*collection_name)
{
aji_create_pubsub_node(client, "collection", collection_name, NULL);
}
/*!
* \brief Create a PubSub leaf node.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param leaf_name The name to use for this collection
* \return void.
*/
static void aji_create_pubsub_leaf(struct aji_client *client, const char *collection_name,
const char *leaf_name)
{
aji_create_pubsub_node(client, "leaf", leaf_name, collection_name);
}
/*!
* \brief Create a pubsub node
* \param client the configured XMPP client we use to connect to a XMPP server
* \param node_type the type of node to create
* \param name the name of the node to create
* \return iks*
*/
static iks* aji_create_pubsub_node(struct aji_client *client, const char *node_type, const
char *name, const char *collection_name)
{
iks *node = aji_pubsub_iq_create(client, "set");
iks *pubsub, *create;
pubsub = iks_insert(node, "pubsub");
iks_insert_attrib(pubsub, "xmlns", "http://jabber.org/protocol/pubsub");
create = iks_insert(pubsub, "create");
iks_insert_attrib(create, "node", name);
aji_build_node_config(pubsub, node_type, collection_name);
ast_aji_send(client, node);
aji_create_affiliations(client, name);
iks_delete(node);
return 0;
}
static iks* aji_build_node_config(iks *pubsub, const char *node_type, const char *collection_name)
{
iks *configure, *x, *field_owner, *field_node_type, *field_node_config,
*field_deliver_payload, *field_persist_items, *field_access_model,
*field_pubsub_collection;
configure = iks_insert(pubsub, "configure");
x = iks_insert(configure, "x");
iks_insert_attrib(x, "xmlns", "jabber:x:data");
iks_insert_attrib(x, "type", "submit");
field_owner = iks_insert(x, "field");
iks_insert_attrib(field_owner, "var", "FORM_TYPE");
iks_insert_attrib(field_owner, "type", "hidden");
iks_insert_cdata(iks_insert(field_owner, "value"),
"http://jabber.org/protocol/pubsub#owner", 39);
if (node_type) {
field_node_type = iks_insert(x, "field");
iks_insert_attrib(field_node_type, "var", "pubsub#node_type");
iks_insert_cdata(iks_insert(field_node_type, "value"), node_type, strlen(node_type));
}
field_node_config = iks_insert(x, "field");
iks_insert_attrib(field_node_config, "var", "FORM_TYPE");
iks_insert_attrib(field_node_config, "type", "hidden");
iks_insert_cdata(iks_insert(field_node_config, "value"),
"http://jabber.org/protocol/pubsub#node_config", 45);
field_deliver_payload = iks_insert(x, "field");
iks_insert_attrib(field_deliver_payload, "var", "pubsub#deliver_payloads");
iks_insert_cdata(iks_insert(field_deliver_payload, "value"), "1", 1);
field_persist_items = iks_insert(x, "field");
iks_insert_attrib(field_persist_items, "var", "pubsub#persist_items");
iks_insert_cdata(iks_insert(field_persist_items, "value"), "1", 1);
field_access_model = iks_insert(x, "field");
iks_insert_attrib(field_access_model, "var", "pubsub#access_model");
iks_insert_cdata(iks_insert(field_access_model, "value"), "whitelist", 9);
if (node_type && !strcasecmp(node_type, "leaf")) {
field_pubsub_collection = iks_insert(x, "field");
iks_insert_attrib(field_pubsub_collection, "var", "pubsub#collection");
iks_insert_cdata(iks_insert(field_pubsub_collection, "value"), collection_name,
strlen(collection_name));
}
return configure;
}
/*!
* \brief Method to expose PubSub collection node creation via CLI.
* \return char *.
*/
static char *aji_cli_create_collection(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct aji_client *client;
const char *name;
const char *collection_name;
switch (cmd) {
case CLI_INIT:
e->command = "jabber create collection";
e->usage =
"Usage: jabber create collection <connection> <collection>\n"
" Creates a PubSub collection node using the account\n"
" as configured in jabber.conf.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 5) {
return CLI_SHOWUSAGE;
}
name = a->argv[3];
collection_name = a->argv[4];
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
ast_cli(a->fd, "Creating test PubSub node collection.\n");
aji_create_pubsub_collection(client, collection_name);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return CLI_SUCCESS;
}
/*!
* \brief Method to expose PubSub leaf node creation via CLI.
* \return char *.
*/
static char *aji_cli_create_leafnode(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct aji_client *client;
const char *name;
const char *collection_name;
const char *leaf_name;
switch (cmd) {
case CLI_INIT:
e->command = "jabber create leaf";
e->usage =
"Usage: jabber create leaf <connection> <collection> <leaf>\n"
" Creates a PubSub leaf node using the account\n"
" as configured in jabber.conf.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 6) {
return CLI_SHOWUSAGE;
}
name = a->argv[3];
collection_name = a->argv[4];
leaf_name = a->argv[5];
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
ast_cli(a->fd, "Creating test PubSub node collection.\n");
aji_create_pubsub_leaf(client, collection_name, leaf_name);
ASTOBJ_UNREF(client, ast_aji_client_destroy);
return CLI_SUCCESS;
}
/*!
* \internal
* \brief set presence of client.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param to user send it to
* \param from user it came from
* \param level
* \param desc
* \return void.
*/
static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc)
{
iks *presence = iks_make_pres(level, desc);
iks *cnode = iks_new("c");
iks *priority = iks_new("priority");
char priorityS[10];
if (presence && cnode && client && priority) {
if (to) {
iks_insert_attrib(presence, "to", to);
}
if (from) {
iks_insert_attrib(presence, "from", from);
}
snprintf(priorityS, sizeof(priorityS), "%d", client->priority);
iks_insert_cdata(priority, priorityS, strlen(priorityS));
iks_insert_node(presence, priority);
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);
ast_aji_send(client, presence);
} else {
ast_log(LOG_ERROR, "Out of memory.\n");
}
iks_delete(cnode);
iks_delete(presence);
iks_delete(priority);
}
/*
* \brief set the presence of the client in a groupchat context.
* \param client the configured XMPP client we use to connect to a XMPP server
* \param room the groupchat identifier in the from roomname@service
* \param from user it came from
* \param level the type of action, i.e. join or leave the chatroom
* \param nick the nickname to use in the chatroom
* \param desc a text that details the action to be taken
* \return res.
*/
static int aji_set_group_presence(struct aji_client *client, char *room, int level, char *nick, char *desc)
{
int res = 0;
iks *presence = NULL, *x = NULL;
char from[AJI_MAX_JIDLEN];
char roomid[AJI_MAX_JIDLEN];
presence = iks_make_pres(level, NULL);
x = iks_new("x");
if (client->component) {
snprintf(from, AJI_MAX_JIDLEN, "%s@%s/%s", nick, client->jid->full, nick);
snprintf(roomid, AJI_MAX_JIDLEN, "%s/%s", room, nick);
} else {
snprintf(from, AJI_MAX_JIDLEN, "%s", client->jid->full);
snprintf(roomid, AJI_MAX_JIDLEN, "%s/%s", room, nick ? nick : client->jid->user);
}
if (!presence || !x || !client) {
ast_log(LOG_ERROR, "Out of memory.\n");
res = -1;
goto safeout;
} else {
iks_insert_attrib(presence, "to", roomid);
iks_insert_attrib(presence, "from", from);
iks_insert_attrib(x, "xmlns", MUC_NS);
iks_insert_node(presence, x);
res = ast_aji_send(client, presence);
}
safeout:
iks_delete(presence);
iks_delete(x);
return res;
}
/*!
* \internal
* \brief Turn on/off console debugging.
* \return CLI_SUCCESS.
*/
static char *aji_do_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "jabber set debug {on|off}";
e->usage =
"Usage: jabber set debug {on|off}\n"
" Enables/disables dumping of XMPP/Jabber packets for debugging purposes.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != e->args) {
return CLI_SHOWUSAGE;
}
if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
ASTOBJ_RDLOCK(iterator);
iterator->debug = 1;
ASTOBJ_UNLOCK(iterator);
});
ast_cli(a->fd, "Jabber Debugging Enabled.\n");
return CLI_SUCCESS;
} else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
ASTOBJ_RDLOCK(iterator);
iterator->debug = 0;
ASTOBJ_UNLOCK(iterator);
});
ast_cli(a->fd, "Jabber Debugging Disabled.\n");
return CLI_SUCCESS;
}
return CLI_SHOWUSAGE; /* defaults to invalid */
}
/*!
* \internal
* \brief Reload jabber module.
* \return CLI_SUCCESS.
*/
static char *aji_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "jabber reload";
e->usage =
"Usage: jabber reload\n"
" Reloads the Jabber module.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
aji_reload(1);
ast_cli(a->fd, "Jabber Reloaded.\n");
return CLI_SUCCESS;
}
/*!
* \internal
* \brief Show client status.
* \return CLI_SUCCESS.
*/
static char *aji_show_clients(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
char *status;
int count = 0;
switch (cmd) {
case CLI_INIT:
e->command = "jabber show connections";
e->usage =
"Usage: jabber show connections\n"
" Shows state of client and component connections\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
ast_cli(a->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(a->fd, " [%s] %s - %s\n", iterator->name, iterator->user, status);
ASTOBJ_UNLOCK(iterator);
});
ast_cli(a->fd, "----\n");
ast_cli(a->fd, " Number of users: %d\n", count);
return CLI_SUCCESS;
}
/*!
* \internal
* \brief Show buddy lists
* \return CLI_SUCCESS.
*/
static char *aji_show_buddies(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct aji_resource *resource;
struct aji_client *client;
switch (cmd) {
case CLI_INIT:
e->command = "jabber show buddies";
e->usage =
"Usage: jabber show buddies\n"
" Shows buddy lists of our clients\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
ast_cli(a->fd, "Jabber buddy lists\n");
ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
ast_cli(a->fd, "Client: %s\n", iterator->user);
client = iterator;
ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
ASTOBJ_RDLOCK(iterator);
ast_cli(a->fd, "\tBuddy:\t%s\n", iterator->name);
if (!iterator->resources)
ast_cli(a->fd, "\t\tResource: None\n");
for (resource = iterator->resources; resource; resource = resource->next) {
ast_cli(a->fd, "\t\tResource: %s\n", resource->resource);
if (resource->cap) {
ast_cli(a->fd, "\t\t\tnode: %s\n", resource->cap->parent->node);
ast_cli(a->fd, "\t\t\tversion: %s\n", resource->cap->version);
ast_cli(a->fd, "\t\t\tJingle capable: %s\n", resource->cap->jingle ? "yes" : "no");
}
ast_cli(a->fd, "\t\tStatus: %d\n", resource->status);
ast_cli(a->fd, "\t\tPriority: %d\n", resource->priority);
}
ASTOBJ_UNLOCK(iterator);
});
iterator = client;
});
return CLI_SUCCESS;
}
/*!
* \internal
* \brief Send test message for debugging.
* \return CLI_SUCCESS,CLI_FAILURE.
*/
static char *aji_test(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
struct aji_client *client;
struct aji_resource *resource;
const char *name;
struct aji_message *tmp;
switch (cmd) {
case CLI_INIT:
e->command = "jabber test";
e->usage =
"Usage: jabber test <connection>\n"
" Sends test message for debugging purposes. A specific client\n"
" as configured in jabber.conf must be specified.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 3) {
return CLI_SHOWUSAGE;
}
name = a->argv[2];
if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
ast_cli(a->fd, "Unable to find client '%s'!\n", name);
return CLI_FAILURE;
}
/* XXX Does Matt really want everyone to use his personal address for tests? */ /* XXX yes he does */
ast_aji_send_chat(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, ast_aji_client_destroy);
return CLI_SUCCESS;
}
/*!
* \internal
* \brief creates aji_client structure.
* \param label
* \param var ast_variable
* \param debug
* \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 = ast_calloc(1, sizeof(*client));
if (!client) {
ast_log(LOG_ERROR, "Out of memory!\n");
return 0;
}
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));
ast_copy_string(client->context, "default", sizeof(client->context));
/* Set default values for the client object */
client->debug = debug;
ast_copy_flags(&client->flags, &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 = 5;
client->distribute_events = 0;
AST_LIST_HEAD_INIT(&client->messages);
client->component = 0;
ast_copy_string(client->statusmessage, "Online and Available", sizeof(client->statusmessage));
client->priority = 0;
client->status = IKS_SHOW_AVAILABLE;
client->send_to_dialplan = 0;
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;
if (client->distribute_events) {
ast_log(LOG_ERROR, "Client cannot be configured to be both a component and to distribute events! Event distribution will be disabled.\n");
client->distribute_events = 0;
}
}
} else if (!strcasecmp(var->name, "distribute_events")) {
if (ast_true(var->value)) {
if (client->component) {
ast_log(LOG_ERROR, "Client cannot be configured to be both a component and to distribute events! Event distribution will be disabled.\n");
} else {
if (ast_test_flag(&pubsubflags, AJI_PUBSUB)) {
ast_log(LOG_ERROR, "Only one connection can be configured for distributed events.\n");
} else {
ast_set_flag(&pubsubflags, AJI_PUBSUB);
client->distribute_events = 1;
}
}
}
} else if (!strcasecmp(var->name, "pubsub_node")) {
ast_copy_string(client->pubsub_node, var->value, sizeof(client->pubsub_node));
} 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->flags, ast_true(var->value), AJI_AUTOPRUNE);
} else if (!strcasecmp(var->name, "autoregister")) {
ast_set2_flag(&client->flags, ast_true(var->value), AJI_AUTOREGISTER);
} else if (!strcasecmp(var->name, "auth_policy")) {
if (!strcasecmp(var->value, "accept")) {
ast_set_flag(&client->flags, AJI_AUTOACCEPT);
} else {
ast_clear_flag(&client->flags, AJI_AUTOACCEPT);
}
} else if (!strcasecmp(var->name, "buddy")) {
aji_create_buddy((char *)var->value, client);
} else if (!strcasecmp(var->name, "priority")) {
client->priority = atoi(var->value);
} else if (!strcasecmp(var->name, "status")) {
if (!strcasecmp(var->value, "unavailable")) {
client->status = IKS_SHOW_UNAVAILABLE;
} else if (!strcasecmp(var->value, "available")
|| !strcasecmp(var->value, "online")) {
client->status = IKS_SHOW_AVAILABLE;
} else if (!strcasecmp(var->value, "chat")
|| !strcasecmp(var->value, "chatty")) {
client->status = IKS_SHOW_CHAT;
} else if (!strcasecmp(var->value, "away")) {
client->status = IKS_SHOW_AWAY;
} else if (!strcasecmp(var->value, "xa")
|| !strcasecmp(var->value, "xaway")) {
client->status = IKS_SHOW_XA;
} else if (!strcasecmp(var->value, "dnd")) {
client->status = IKS_SHOW_DND;
} else if (!strcasecmp(var->value, "invisible")) {
#ifdef IKS_SHOW_INVISIBLE
client->status = IKS_SHOW_INVISIBLE;
#else
ast_log(LOG_WARNING, "Your iksemel doesn't support invisible status: falling back to DND\n");
client->status = IKS_SHOW_DND;
#endif
} else {
ast_log(LOG_WARNING, "Unknown presence status: %s\n", var->value);
}
} else if (!strcasecmp(var->name, "context")) {
ast_copy_string(client->context, var->value, sizeof(client->context));
} else if (!strcasecmp(var->name, "sendtodialplan")) {
client->send_to_dialplan = ast_true(var->value) ? 1 : 0;
}
/* 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, ast_aji_client_destroy);
return 1;
}
ast_copy_string(client->name_space, (client->component) ? "jabber:component:accept" : "jabber:client", sizeof(client->name_space));
client->p = iks_stream_new(client->name_space, 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 */
if (ast_asprintf(&resource, "%s/asterisk", client->user) >= 0) {
client->jid = iks_id_new(client->stack, resource);
ast_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);
}
iks_set_log_hook(client->p, aji_log_hook);
ASTOBJ_UNLOCK(client);
ASTOBJ_CONTAINER_LINK(&clients, client);
return 1;
}
#if 0
/*!
* \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;
int needs_unref = 1;
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label);
if (!buddy) {
needs_unref = 0;
buddy = ast_calloc(1, sizeof(*buddy));
if (!buddy) {
ast_log(LOG_WARNING, "Out of memory\n");
return 0;
}
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));
if (needs_unref) {
ASTOBJ_UNMARK(buddy);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
}
return 1;
}
}
}
}
}
ASTOBJ_UNLOCK(buddy);
if (needs_unref) {
ASTOBJ_UNMARK(buddy);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
} else {
ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
}
return 0;
}
#endif
/*!
* \internal
* \brief creates buddy.
* \param label char.
* \param client the configured XMPP client we use to connect to a XMPP server
* \return 1 on success, 0 on failure.
*/
static int aji_create_buddy(char *label, struct aji_client *client)
{
struct aji_buddy *buddy = NULL;
int needs_unref = 1;
buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, label);
if (!buddy) {
needs_unref = 0;
buddy = ast_calloc(1, sizeof(*buddy));
if (!buddy) {
ast_log(LOG_WARNING, "Out of memory\n");
return 0;
}
ASTOBJ_INIT(buddy);
}
ASTOBJ_WRLOCK(buddy);
ast_copy_string(buddy->name, label, sizeof(buddy->name));
ASTOBJ_UNLOCK(buddy);
if (needs_unref) {
ASTOBJ_UNMARK(buddy);
ASTOBJ_UNREF(buddy, ast_aji_buddy_destroy);
} else {
ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
}
return 1;
}
/*!< load config file. \return 1. */
static int aji_load_config(int reload)
{
char *cat = NULL;
int debug = 0;
struct ast_config *cfg = NULL;
struct ast_variable *var = NULL;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
if ((cfg = ast_config_load(JABBER_CONFIG, config_flags)) == CONFIG_STATUS_FILEUNCHANGED) {
return -1;
}
/* Reset flags to default value */
ast_set_flag(&globalflags, AJI_AUTOREGISTER | AJI_AUTOACCEPT);
if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEINVALID) {
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);
} else if (!strcasecmp(var->name, "collection_nodes")) {
ast_set2_flag(&pubsubflags, ast_true(var->value), AJI_XEP0248);
} else if (!strcasecmp(var->name, "pubsub_autocreate")) {
ast_set2_flag(&pubsubflags, ast_true(var->value), AJI_PUBSUB_AUTOCREATE);
} else if (!strcasecmp(var->name, "auth_policy")) {
if (!strcasecmp(var->value, "accept")) {
ast_set_flag(&globalflags, AJI_AUTOACCEPT);
} else {
ast_clear_flag(&globalflags, AJI_AUTOACCEPT);
}
}
}
while (cat) {
if (strcasecmp(cat, "general")) {
var = ast_variable_browse(cfg, cat);
aji_create_client(cat, var, debug);
}
cat = ast_category_browse(cfg, cat);
}
ast_config_destroy(cfg); /* or leak memory */
return 1;
}
/*!
* \brief grab a aji_client structure by label name or JID. Bumps the refcount.
* (without the resource string)
* \param name label or JID
* \return aji_client.
*/
struct aji_client *ast_aji_get_client(const char *name)
{
struct aji_client *client = NULL;
char *aux = NULL;
client = ASTOBJ_CONTAINER_FIND(&clients, name);
if (!client && strchr(name, '@')) {
ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
aux = ast_strdupa(iterator->user);
if (strchr(aux, '/')) {
/* strip resource for comparison */
aux = strsep(&aux, "/");
}
if (!strncasecmp(aux, name, strlen(aux))) {
client = ASTOBJ_REF(iterator);
}
});
}
return client;
}
struct aji_client_container *ast_aji_get_clients(void)
{
return &clients;
}
/*!
* \internal
* \brief Send a Jabber Message via call from the Manager
* \param s mansession Manager session
* \param m message Message to send
* \return 0
*/
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_chat(client, screenname, message);
astman_append(s, "Response: Success\r\n");
} else {
astman_append(s, "Response: Error\r\n");
}
ASTOBJ_UNREF(client, ast_aji_client_destroy);
if (!ast_strlen_zero(id)) {
astman_append(s, "ActionID: %s\r\n", id);
}
astman_append(s, "\r\n");
return 0;
}
/*!
* \internal
* \brief Reload the jabber module
*/
static int aji_reload(int reload)
{
int res;
ASTOBJ_CONTAINER_MARKALL(&clients);
if (!(res = aji_load_config(reload))) {
ast_log(LOG_ERROR, "JABBER: Failed to load config.\n");
return 0;
} else if (res == -1)
return 1;
ASTOBJ_CONTAINER_PRUNE_MARKED(&clients, ast_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);
if (iterator->distribute_events) {
aji_init_event_distribution(iterator);
}
}
ASTOBJ_UNLOCK(iterator);
});
return 1;
}
/*!
* \internal
* \brief Unload the jabber module
*/
static int unload_module(void)
{
ast_msg_tech_unregister(&msg_tech);
ast_cli_unregister_multiple(aji_cli, ARRAY_LEN(aji_cli));
ast_unregister_application(app_ajisend);
ast_unregister_application(app_ajisendgroup);
ast_unregister_application(app_ajistatus);
ast_unregister_application(app_ajijoin);
ast_unregister_application(app_ajileave);
ast_manager_unregister("JabberSend");
ast_custom_function_unregister(&jabberstatus_function);
if (mwi_sub) {
ast_event_unsubscribe(mwi_sub);
}
if (device_state_sub) {
ast_event_unsubscribe(device_state_sub);
}
ast_custom_function_unregister(&jabberreceive_function);
ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
ASTOBJ_WRLOCK(iterator);
ast_debug(3, "JABBER: Releasing and disconnecting client: %s\n", iterator->name);
iterator->state = AJI_DISCONNECTING;
ASTOBJ_UNLOCK(iterator);
pthread_join(iterator->thread, NULL);
ast_aji_disconnect(iterator);
});
ASTOBJ_CONTAINER_DESTROYALL(&clients, ast_aji_client_destroy);
ASTOBJ_CONTAINER_DESTROY(&clients);
ast_cond_destroy(&message_received_condition);
ast_mutex_destroy(&messagelock);
return 0;
}
/*!
* \internal
* \brief Unload the jabber module
*/
static int load_module(void)
{
ASTOBJ_CONTAINER_INIT(&clients);
if (!aji_reload(0))
return AST_MODULE_LOAD_DECLINE;
ast_manager_register_xml("JabberSend", EVENT_FLAG_SYSTEM, manager_jabber_send);
ast_register_application_xml(app_ajisend, aji_send_exec);
ast_register_application_xml(app_ajisendgroup, aji_sendgroup_exec);
ast_register_application_xml(app_ajistatus, aji_status_exec);
ast_register_application_xml(app_ajijoin, aji_join_exec);
ast_register_application_xml(app_ajileave, aji_leave_exec);
ast_cli_register_multiple(aji_cli, ARRAY_LEN(aji_cli));
ast_custom_function_register(&jabberstatus_function);
ast_custom_function_register(&jabberreceive_function);
ast_msg_tech_register(&msg_tech);
ast_mutex_init(&messagelock);
ast_cond_init(&message_received_condition, NULL);
return 0;
}
/*!
* \internal
* \brief Wrapper for aji_reload
*/
static int reload(void)
{
aji_reload(1);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS | AST_MODFLAG_LOAD_ORDER, "AJI - Asterisk Jabber Interface",
.load = load_module,
.unload = unload_module,
.reload = reload,
.load_pri = AST_MODPRI_CHANNEL_DEPEND,
);
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