diff options
Diffstat (limited to 'res/res_jabber.c')
-rw-r--r-- | res/res_jabber.c | 2518 |
1 files changed, 2518 insertions, 0 deletions
diff --git a/res/res_jabber.c b/res/res_jabber.c new file mode 100644 index 000000000..0079ee9ff --- /dev/null +++ b/res/res_jabber.c @@ -0,0 +1,2518 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2006, Digium, Inc. + * + * Matt O'Gorman <mogorman@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * \brief A resource for interfacing asterisk directly as a client + * or a component to a jabber compliant server. + * + * \todo If you unload this module, chan_gtalk/jingle will be dead. How do we handle that? + * \todo If you have TLS, you can't unload this module. See bug #9738. This needs to be fixed, + * but the bug is in the unmantained Iksemel library + * + */ + +/*** MODULEINFO + <depend>iksemel</depend> + <use>gnutls</use> + ***/ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <stdlib.h> +#include <stdio.h> +#include <iksemel.h> + +#include "asterisk/channel.h" +#include "asterisk/jabber.h" +#include "asterisk/file.h" +#include "asterisk/config.h" +#include "asterisk/callerid.h" +#include "asterisk/lock.h" +#include "asterisk/logger.h" +#include "asterisk/options.h" +#include "asterisk/cli.h" +#include "asterisk/app.h" +#include "asterisk/pbx.h" +#include "asterisk/md5.h" +#include "asterisk/acl.h" +#include "asterisk/utils.h" +#include "asterisk/module.h" +#include "asterisk/astobj.h" +#include "asterisk/astdb.h" +#include "asterisk/manager.h" + +#define JABBER_CONFIG "jabber.conf" + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +/*-- Forward declarations */ +static int aji_highest_bit(int number); +static void aji_buddy_destroy(struct aji_buddy *obj); +static void aji_client_destroy(struct aji_client *obj); +static int aji_send_exec(struct ast_channel *chan, void *data); +static int aji_status_exec(struct ast_channel *chan, void *data); +static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming); +static int aji_act_hook(void *data, int type, iks *node); +static void aji_handle_iq(struct aji_client *client, iks *node); +static void aji_handle_message(struct aji_client *client, ikspak *pak); +static void aji_handle_presence(struct aji_client *client, ikspak *pak); +static void aji_handle_subscribe(struct aji_client *client, ikspak *pak); +static void *aji_recv_loop(void *data); +static int aji_component_initialize(struct aji_client *client); +static int aji_client_initialize(struct aji_client *client); +static int aji_client_connect(void *data, ikspak *pak); +static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc); +static int aji_do_debug(int fd, int argc, char *argv[]); +static int aji_do_reload(int fd, int argc, char *argv[]); +static int aji_no_debug(int fd, int argc, char *argv[]); +static int aji_test(int fd, int argc, char *argv[]); +static int aji_show_clients(int fd, int argc, char *argv[]); +static int aji_create_client(char *label, struct ast_variable *var, int debug); +static int aji_create_buddy(char *label, struct aji_client *client); +static int aji_reload(void); +static int aji_load_config(void); +static void aji_pruneregister(struct aji_client *client); +static int aji_filter_roster(void *data, ikspak *pak); +static int aji_get_roster(struct aji_client *client); +static int aji_client_info_handler(void *data, ikspak *pak); +static int aji_dinfo_handler(void *data, ikspak *pak); +static int aji_ditems_handler(void *data, ikspak *pak); +static int aji_register_query_handler(void *data, ikspak *pak); +static int aji_register_approve_handler(void *data, ikspak *pak); +static int aji_reconnect(struct aji_client *client); +static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid); +/* No transports in this version */ +/* +static int aji_create_transport(char *label, struct aji_client *client); +static int aji_register_transport(void *data, ikspak *pak); +static int aji_register_transport2(void *data, ikspak *pak); +*/ + +static char debug_usage[] = +"Usage: jabber debug\n" +" Enables dumping of Jabber packets for debugging purposes.\n"; + +static char no_debug_usage[] = +"Usage: jabber debug off\n" +" Disables dumping of Jabber packets for debugging purposes.\n"; + +static char reload_usage[] = +"Usage: jabber reload\n" +" Enables reloading of Jabber module.\n"; + +static char test_usage[] = +"Usage: jabber test [client]\n" +" Sends test message for debugging purposes. A specific client\n" +" as configured in jabber.conf can be optionally specified.\n"; + +static struct ast_cli_entry aji_cli[] = { + { { "jabber", "debug", NULL}, + aji_do_debug, "Enable Jabber debugging", + debug_usage }, + + { { "jabber", "reload", NULL}, + aji_do_reload, "Reload Jabber configuration", + reload_usage }, + + { { "jabber", "show", "connected", NULL}, + aji_show_clients, "Show state of clients and components", + debug_usage }, + + { { "jabber", "debug", "off", NULL}, + aji_no_debug, "Disable Jabber debug", + no_debug_usage }, + + { { "jabber", "test", NULL}, + aji_test, "Shows roster, but is generally used for mog's debugging.", + test_usage }, +}; + +static char *app_ajisend = "JabberSend"; + +static char *ajisend_synopsis = "JabberSend(jabber,screenname,message)"; + +static char *ajisend_descrip = +"JabberSend(Jabber,ScreenName,Message)\n" +" Jabber - Client or transport Asterisk uses to connect to Jabber\n" +" ScreenName - User Name to message.\n" +" Message - Message to be sent to the buddy\n"; + +static char *app_ajistatus = "JabberStatus"; + +static char *ajistatus_synopsis = "JabberStatus(Jabber,ScreenName,Variable)"; + +static char *ajistatus_descrip = +"JabberStatus(Jabber,ScreenName,Variable)\n" +" Jabber - Client or transport Asterisk uses to connect to Jabber\n" +" ScreenName - User Name to retrieve status from.\n" +" Variable - Variable to store presence in will be 1-6.\n" +" In order, Online, Chatty, Away, XAway, DND, Offline\n" +" If not in roster variable will = 7\n"; + +struct aji_client_container clients; +struct aji_capabilities *capabilities = NULL; + +/*! \brief Global flags, initialized to default values */ +static struct ast_flags globalflags = { AJI_AUTOPRUNE | AJI_AUTOREGISTER }; +static int tls_initialized = FALSE; + +/*! + * \brief Deletes the aji_client data structure. + * \param obj is the structure we will delete. + * \return void. + */ +static void aji_client_destroy(struct aji_client *obj) +{ + struct aji_message *tmp; + ASTOBJ_CONTAINER_DESTROYALL(&obj->buddies, aji_buddy_destroy); + ASTOBJ_CONTAINER_DESTROY(&obj->buddies); + iks_filter_delete(obj->f); + iks_parser_delete(obj->p); + iks_stack_delete(obj->stack); + AST_LIST_LOCK(&obj->messages); + while ((tmp = AST_LIST_REMOVE_HEAD(&obj->messages, list))) { + if (tmp->from) + free(tmp->from); + if (tmp->message) + free(tmp->message); + } + AST_LIST_HEAD_DESTROY(&obj->messages); + free(obj); +} + +/*! + * \brief Deletes the aji_buddy data structure. + * \param obj is the structure we will delete. + * \return void. + */ +static void aji_buddy_destroy(struct aji_buddy *obj) +{ + struct aji_resource *tmp; + + while ((tmp = obj->resources)) { + obj->resources = obj->resources->next; + free(tmp->description); + free(tmp); + } + + free(obj); +} + +/*! + * \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 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 = (struct aji_version *)malloc(sizeof(struct aji_version)); + if(!res) { + ast_log(LOG_ERROR, "Out of memory!\n"); + return NULL; + } + res->jingle = 0; + res->parent = list; + ast_copy_string(res->version, version, sizeof(res->version)); + res->next = list->versions; + list->versions = res; + return res; + } + } + list = list->next; + } + /* Specified node not found. Let's add it our capabilities list */ + if(!list) { + list = (struct aji_capabilities *)malloc(sizeof(struct aji_capabilities)); + if(!list) { + ast_log(LOG_ERROR, "Out of memory!\n"); + return NULL; + } + res = (struct aji_version *)malloc(sizeof(struct aji_version)); + if(!res) { + ast_log(LOG_ERROR, "Out of memory!\n"); + 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; +} + +static struct aji_resource *aji_find_resource(struct aji_buddy *buddy, char *name) +{ + struct aji_resource *res = NULL; + if (!buddy || !name) + return res; + res = buddy->resources; + while (res) { + if (!strcasecmp(res->resource, name)) { + break; + } + res = res->next; + } + return res; +} + +static int gtalk_yuck(iks *node) +{ + if (iks_find_with_attrib(node, "c", "node", "http://www.google.com/xmpp/client/caps")) + return 1; + return 0; +} + +/*! + * \brief Detects the highest bit in a number. + * \param Number you want to have evaluated. + * \return the highest power of 2 that can go into the number. + */ +static int aji_highest_bit(int number) +{ + int x = sizeof(number) * 8 - 1; + if (!number) + return 0; + for (; x > 0; x--) { + if (number & (1 << x)) + break; + } + return (1 << x); +} + +static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid) +{ + iks *x, *y; + x = iks_new("iq"); + iks_insert_attrib(x, "type", "set"); + y = iks_insert(x, "query"); + iks_insert_attrib(y, "xmlns", IKS_NS_AUTH); + iks_insert_cdata(iks_insert(y, "username"), id->user, 0); + iks_insert_cdata(iks_insert(y, "resource"), id->resource, 0); + if (sid) { + char buf[41]; + char sidpass[100]; + snprintf(sidpass, sizeof(sidpass), "%s%s", sid, pass); + ast_sha1_hash(buf, sidpass); + iks_insert_cdata(iks_insert(y, "digest"), buf, 0); + } else { + iks_insert_cdata(iks_insert(y, "password"), pass, 0); + } + return x; +} + +/*! + * \brief Dial plan function status(). puts the status of watched user + into a channel variable. + * \param channel, and username,watched user, status var + * \return 0. + */ +static int aji_status_exec(struct ast_channel *chan, void *data) +{ + struct aji_client *client = NULL; + struct aji_buddy *buddy = NULL; + struct aji_resource *r = NULL; + char *s = NULL, *sender = NULL, *jid = NULL, *screenname = NULL, *resource = NULL, *variable = NULL; + int stat = 7; + char status[2]; + + if (!data) { + ast_log(LOG_ERROR, "This application requires arguments.\n"); + return 0; + } + s = ast_strdupa(data); + if (s) { + sender = strsep(&s, "|"); + if (sender && (sender[0] != '\0')) { + jid = strsep(&s, "|"); + if (jid && (jid[0] != '\0')) { + variable = s; + } else { + ast_log(LOG_ERROR, "Bad arguments\n"); + return -1; + } + } + } + + if(!strchr(jid, '/')) { + resource = NULL; + } else { + screenname = strsep(&jid, "/"); + resource = jid; + } + client = ast_aji_get_client(sender); + if (!client) { + ast_log(LOG_WARNING, "Could not find sender connection: %s\n", sender); + return -1; + } + if(!&client->buddies) { + ast_log(LOG_WARNING, "No buddies for connection : %s\n", sender); + return -1; + } + buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, resource ? screenname: jid); + if (!buddy) { + ast_log(LOG_WARNING, "Could not find buddy in list : %s\n", resource ? screenname : jid); + return -1; + } + r = aji_find_resource(buddy, resource); + if(!r && buddy->resources) + r = buddy->resources; + if(!r) + ast_log(LOG_NOTICE, "Resource %s of buddy %s not found \n", resource, screenname); + else + stat = r->status; + sprintf(status, "%d", stat); + pbx_builtin_setvar_helper(chan, variable, status); + return 0; +} + +/*! + * \brief Dial plan function to send a message. + * \param channel, and data, data is sender, reciever, message. + * \return 0. + */ +static int aji_send_exec(struct ast_channel *chan, void *data) +{ + struct aji_client *client = NULL; + + char *s = NULL, *sender = NULL, *recipient = NULL, *message = NULL; + + if (!data) { + ast_log(LOG_ERROR, "This application requires arguments.\n"); + return 0; + } + s = ast_strdupa(data); + if (s) { + sender = strsep(&s, "|"); + if (sender && (sender[0] != '\0')) { + recipient = strsep(&s, "|"); + if (recipient && (recipient[0] != '\0')) { + message = s; + } else { + ast_log(LOG_ERROR, "Bad arguments: %s\n", (char *) data); + return -1; + } + } + } + if (!(client = ast_aji_get_client(sender))) { + ast_log(LOG_WARNING, "Could not find sender connection: %s\n", sender); + return -1; + } + if (strchr(recipient, '@') && message) + ast_aji_send(client, recipient, message); + return 0; +} + +/*! + * \brief the debug loop. + * \param aji_client structure, xml data as string, size of string, direction of packet, 1 for inbound 0 for outbound. + */ +static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + manager_event(EVENT_FLAG_USER, "JabberEvent", "Account: %s\r\nPacket: %s\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, aji_client_destroy); +} + +/*! + * \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; + + if(!node) { + ast_log(LOG_ERROR, "aji_act_hook was called with out a packet\n"); /* most likely cause type is IKS_NODE_ERROR lost connection */ + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + } + + if (client->state == AJI_DISCONNECTING) { + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + } + + pak = iks_packet(node); + + if (!client->component) { /*client */ + switch (type) { + case IKS_NODE_START: + if (client->usetls && !iks_is_secure(client->p)) { + if (iks_has_tls()) { + iks_start_tls(client->p); + tls_initialized = TRUE; + } else + ast_log(LOG_ERROR, "gnuTLS not installed. You need to recompile the Iksemel library with gnuTLS support\n"); + break; + } + if (!client->usesasl) { + iks_filter_add_rule(client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, client->mid, IKS_RULE_DONE); + auth = jabber_make_auth(client->jid, client->password, iks_find_attrib(node, "id")); + if (auth) { + iks_insert_attrib(auth, "id", client->mid); + iks_insert_attrib(auth, "to", client->jid->server); + ast_aji_increment_mid(client->mid); + iks_send(client->p, auth); + iks_delete(auth); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + } + break; + + case IKS_NODE_NORMAL: + if (!strcmp("stream:features", iks_name(node))) { + int features = 0; + features = iks_stream_features(node); + if (client->usesasl) { + if (client->usetls && !iks_is_secure(client->p)) + break; + if (client->authorized) { + if (features & IKS_STREAM_BIND) { + iks_filter_add_rule (client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_DONE); + auth = iks_make_resource_bind(client->jid); + if (auth) { + iks_insert_attrib(auth, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_send(client->p, auth); + iks_delete(auth); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + break; + } + } + if (features & IKS_STREAM_SESSION) { + iks_filter_add_rule (client->f, aji_client_connect, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, "auth", IKS_RULE_DONE); + auth = iks_make_session(); + if (auth) { + iks_insert_attrib(auth, "id", "auth"); + ast_aji_increment_mid(client->mid); + iks_send(client->p, auth); + iks_delete(auth); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + } + } else { + if (!client->jid->user) { + ast_log(LOG_ERROR, "Malformed Jabber ID : %s (domain missing?)\n", client->jid->full); + break; + } + features = aji_highest_bit(features); + if (features == IKS_STREAM_SASL_MD5) + iks_start_sasl(client->p, IKS_SASL_DIGEST_MD5, client->jid->user, client->password); + else { + if (features == IKS_STREAM_SASL_PLAIN) { + iks *x = NULL; + x = iks_new("auth"); + if (x) { + int len = strlen(client->jid->user) + strlen(client->password) + 3; + /* XXX Check return values XXX */ + char *s = ast_malloc(80 + len); + char *base64 = ast_malloc(80 + len * 2); + iks_insert_attrib(x, "xmlns", IKS_NS_XMPP_SASL); + iks_insert_attrib(x, "mechanism", "PLAIN"); + sprintf(s, "%c%s%c%s", 0, client->jid->user, 0, client->password); + + /* 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); + iks_insert_cdata(x, base64, 0); + iks_send(client->p, x); + iks_delete(x); + if (base64) + free(base64); + if (s) + free(s); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + } + } + } + } + } else if (!strcmp("failure", iks_name(node))) { + ast_log(LOG_ERROR, "JABBER: encryption failure. possible bad password.\n"); + } else if (!strcmp("success", iks_name(node))) { + client->authorized = 1; + iks_send_header(client->p, client->jid->server); + } + break; + case IKS_NODE_ERROR: + ast_log(LOG_ERROR, "JABBER: Node Error\n"); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + break; + case IKS_NODE_STOP: + ast_log(LOG_WARNING, "JABBER: Disconnected\n"); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + break; + } + } else if (client->state != AJI_CONNECTED && client->component) { + switch (type) { + case IKS_NODE_START: + if (client->state == AJI_DISCONNECTED) { + char secret[160], shasum[320], *handshake; + + sprintf(secret, "%s%s", pak->id, client->password); + ast_sha1_hash(shasum, secret); + handshake = NULL; + if (asprintf(&handshake, "<handshake>%s</handshake>", shasum) > 0) { + iks_send_raw(client->p, handshake); + free(handshake); + handshake = NULL; + } + client->state = AJI_CONNECTING; + if(iks_recv(client->p,1) == 2) /*XXX proper result for iksemel library on iks_recv of <handshake/> XXX*/ + client->state = AJI_CONNECTED; + else + ast_log(LOG_WARNING,"Jabber didn't seem to handshake, failed to authenicate.\n"); + break; + } + break; + + case IKS_NODE_NORMAL: + break; + + case IKS_NODE_ERROR: + ast_log(LOG_ERROR, "JABBER: Node Error\n"); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + + case IKS_NODE_STOP: + ast_log(LOG_WARNING, "JABBER: Disconnected\n"); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_HOOK; + } + } + + switch (pak->type) { + case IKS_PAK_NONE: + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Don't know what to do with you NONE\n"); + break; + case IKS_PAK_MESSAGE: + aji_handle_message(client, pak); + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Don't know what to do with you MESSAGE\n"); + break; + case IKS_PAK_PRESENCE: + aji_handle_presence(client, pak); + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Do know how to handle presence!!\n"); + break; + case IKS_PAK_S10N: + aji_handle_subscribe(client, pak); + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Dont know S10N subscribe!!\n"); + break; + case IKS_PAK_IQ: + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Dont have an IQ!!!\n"); + aji_handle_iq(client, node); + break; + default: + if (option_debug) + ast_log(LOG_DEBUG, "JABBER: I Dont know %i\n", pak->type); + break; + } + + iks_filter_packet(client->f, pak); + + if (node) + iks_delete(node); + + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_OK; +} + +static int aji_register_approve_handler(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + iks *iq = NULL, *presence = NULL, *x = NULL; + + iq = iks_new("iq"); + presence = iks_new("presence"); + x = iks_new("x"); + if (client && iq && presence && x) { + if (!iks_find(pak->query, "remove")) { + iks_insert_attrib(iq, "from", client->jid->full); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_send(client->p, iq); + + iks_insert_attrib(presence, "from", client->jid->full); + iks_insert_attrib(presence, "to", pak->from->partial); + iks_insert_attrib(presence, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_insert_attrib(presence, "type", "subscribe"); + iks_insert_attrib(x, "xmlns", "vcard-temp:x:update"); + iks_insert_node(presence, x); + iks_send(client->p, presence); + } + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + + if (iq) + iks_delete(iq); + if(presence) + iks_delete(presence); + if (x) + iks_delete(x); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} + +static int aji_register_query_handler(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + struct aji_buddy *buddy = NULL; + char *node = NULL; + + client = (struct aji_client *) data; + + buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial); + if (!buddy) { + iks *iq = NULL, *query = NULL, *error = NULL, *notacceptable = NULL; + ast_verbose("Someone.... %s tried to register but they aren't allowed\n", pak->from->partial); + iq = iks_new("iq"); + query = iks_new("query"); + error = iks_new("error"); + notacceptable = iks_new("not-acceptable"); + if(iq && query && error && notacceptable) { + iks_insert_attrib(iq, "type", "error"); + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(query, "xmlns", "jabber:iq:register"); + iks_insert_attrib(error, "code" , "406"); + iks_insert_attrib(error, "type", "modify"); + iks_insert_attrib(notacceptable, "xmlns", "urn:ietf:params:xml:ns:xmpp-stanzas"); + iks_insert_node(iq, query); + iks_insert_node(iq, error); + iks_insert_node(error, notacceptable); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (error) + iks_delete(error); + if (notacceptable) + iks_delete(notacceptable); + } else if (!(node = iks_find_attrib(pak->query, "node"))) { + iks *iq = NULL, *query = NULL, *instructions = NULL; + char *explain = "Welcome to Asterisk - the Open Source PBX.\n"; + iq = iks_new("iq"); + query = iks_new("query"); + instructions = iks_new("instructions"); + if (iq && query && instructions && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "jabber:iq:register"); + iks_insert_cdata(instructions, explain, 0); + iks_insert_node(iq, query); + iks_insert_node(query, instructions); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (instructions) + iks_delete(instructions); + } + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} + +static int aji_ditems_handler(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + char *node = NULL; + + if (!(node = iks_find_attrib(pak->query, "node"))) { + iks *iq = NULL, *query = NULL, *item = NULL; + iq = iks_new("iq"); + query = iks_new("query"); + item = iks_new("item"); + + if (iq && query && item) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items"); + iks_insert_attrib(item, "node", "http://jabber.org/protocol/commands"); + iks_insert_attrib(item, "name", "Million Dollar Asterisk Commands"); + iks_insert_attrib(item, "jid", client->user); + + iks_insert_node(iq, query); + iks_insert_node(query, item); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (item) + iks_delete(item); + + } else if (!strcasecmp(node, "http://jabber.org/protocol/commands")) { + iks *iq, *query, *confirm; + iq = iks_new("iq"); + query = iks_new("query"); + confirm = iks_new("item"); + if (iq && query && confirm && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items"); + iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands"); + iks_insert_attrib(confirm, "node", "confirmaccount"); + iks_insert_attrib(confirm, "name", "Confirm AIM account"); + iks_insert_attrib(confirm, "jid", "blog.astjab.org"); + + iks_insert_node(iq, query); + iks_insert_node(query, confirm); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (confirm) + iks_delete(confirm); + + } else if (!strcasecmp(node, "confirmaccount")) { + iks *iq = NULL, *query = NULL, *feature = NULL; + + iq = iks_new("iq"); + query = iks_new("query"); + feature = iks_new("feature"); + + if (iq && query && feature && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items"); + iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands"); + iks_insert_node(iq, query); + iks_insert_node(query, feature); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (feature) + iks_delete(feature); + } + + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; + +} + +static int aji_client_info_handler(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + struct aji_resource *resource = NULL; + struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial); + + resource = aji_find_resource(buddy, pak->from->resource); + if (pak->subtype == IKS_TYPE_RESULT) { + if (!resource) { + ast_log(LOG_NOTICE,"JABBER: Received client info from %s when not requested.\n", pak->from->full); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; + } + if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) { + resource->cap->jingle = 1; + } else + resource->cap->jingle = 0; + } else if (pak->subtype == IKS_TYPE_GET) { + iks *iq, *disco, *ident, *google, *query; + iq = iks_new("iq"); + query = iks_new("query"); + ident = iks_new("identity"); + disco = iks_new("feature"); + google = iks_new("feature"); + if (iq && ident && disco && google) { + iks_insert_attrib(iq, "from", client->jid->full); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info"); + iks_insert_attrib(ident, "category", "client"); + iks_insert_attrib(ident, "type", "pc"); + iks_insert_attrib(ident, "name", "asterisk"); + iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco#info"); + iks_insert_attrib(google, "var", "http://www.google.com/xmpp/protocol/voice/v1"); + iks_insert_node(iq, query); + iks_insert_node(query, ident); + iks_insert_node(query, google); + iks_insert_node(query, disco); + iks_send(client->p, iq); + } else + ast_log(LOG_ERROR, "Out of Memory.\n"); + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (ident) + iks_delete(ident); + if (google) + iks_delete(google); + if (disco) + iks_delete(disco); + } else if (pak->subtype == IKS_TYPE_ERROR) { + ast_log(LOG_NOTICE, "User %s does not support discovery.\n", pak->from->full); + } + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} + +static int aji_dinfo_handler(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + char *node = NULL; + struct aji_resource *resource = NULL; + struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial); + + resource = aji_find_resource(buddy, pak->from->resource); + if (pak->subtype == IKS_TYPE_ERROR) { + ast_log(LOG_WARNING, "Recieved error from a client, turn on jabber debug!\n"); + return IKS_FILTER_EAT; + } + if (pak->subtype == IKS_TYPE_RESULT) { + if (!resource) { + ast_log(LOG_NOTICE,"JABBER: Received client info from %s when not requested.\n", pak->from->full); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; + } + if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) { + resource->cap->jingle = 1; + } else + resource->cap->jingle = 0; + } else if (pak->subtype == IKS_TYPE_GET && !(node = iks_find_attrib(pak->query, "node"))) { + iks *iq, *query, *identity, *disco, *reg, *commands, *gateway, *version, *vcard, *search; + + iq = iks_new("iq"); + query = iks_new("query"); + identity = iks_new("identity"); + disco = iks_new("feature"); + reg = iks_new("feature"); + commands = iks_new("feature"); + gateway = iks_new("feature"); + version = iks_new("feature"); + vcard = iks_new("feature"); + search = iks_new("feature"); + + if (iq && query && identity && disco && reg && commands && gateway && version && vcard && search && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info"); + iks_insert_attrib(identity, "category", "gateway"); + iks_insert_attrib(identity, "type", "pstn"); + iks_insert_attrib(identity, "name", "Asterisk The Open Source PBX"); + iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco"); + iks_insert_attrib(reg, "var", "jabber:iq:register"); + iks_insert_attrib(commands, "var", "http://jabber.org/protocol/commands"); + iks_insert_attrib(gateway, "var", "jabber:iq:gateway"); + iks_insert_attrib(version, "var", "jabber:iq:version"); + iks_insert_attrib(vcard, "var", "vcard-temp"); + iks_insert_attrib(search, "var", "jabber:iq:search"); + + iks_insert_node(iq, query); + iks_insert_node(query, identity); + iks_insert_node(query, disco); + iks_insert_node(query, reg); + iks_insert_node(query, commands); + iks_insert_node(query, gateway); + iks_insert_node(query, version); + iks_insert_node(query, vcard); + iks_insert_node(query, search); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (identity) + iks_delete(identity); + if (disco) + iks_delete(disco); + if (reg) + iks_delete(reg); + if (commands) + iks_delete(commands); + if (gateway) + iks_delete(gateway); + if (version) + iks_delete(version); + if (vcard) + iks_delete(vcard); + if (search) + iks_delete(search); + + } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "http://jabber.org/protocol/commands")) { + iks *iq, *query, *confirm; + iq = iks_new("iq"); + query = iks_new("query"); + confirm = iks_new("item"); + + if (iq && query && confirm && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items"); + iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands"); + iks_insert_attrib(confirm, "node", "confirmaccount"); + iks_insert_attrib(confirm, "name", "Confirm AIM account"); + iks_insert_attrib(confirm, "jid", client->user); + iks_insert_node(iq, query); + iks_insert_node(query, confirm); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (confirm) + iks_delete(confirm); + + } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "confirmaccount")) { + iks *iq, *query, *feature; + + iq = iks_new("iq"); + query = iks_new("query"); + feature = iks_new("feature"); + + if (iq && query && feature && client) { + iks_insert_attrib(iq, "from", client->user); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq, "id", pak->id); + iks_insert_attrib(iq, "type", "result"); + iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info"); + iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands"); + iks_insert_node(iq, query); + iks_insert_node(query, feature); + iks_send(client->p, iq); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (iq) + iks_delete(iq); + if (query) + iks_delete(query); + if (feature) + iks_delete(feature); + } + + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} + +/*! + * \brief Handles <iq> tags. + * \param client structure and the iq node. + * \return void. + */ +static void aji_handle_iq(struct aji_client *client, iks *node) +{ + /*Nothing to see here */ +} + +/*! + * \brief Handles presence packets. + * \param client structure and the node. + * \return void. + */ +static void aji_handle_message(struct aji_client *client, ikspak *pak) +{ + struct aji_message *insert, *tmp; + int flag = 0; + + if (!(insert = ast_calloc(1, sizeof(struct aji_message)))) + return; + time(&insert->arrived); + if (iks_find_cdata(pak->x, "body")) + insert->message = ast_strdup(iks_find_cdata(pak->x, "body")); + if(pak->id) + ast_copy_string(insert->id, pak->id, sizeof(insert->message)); + if (pak->from) + insert->from = ast_strdup(pak->from->full); + AST_LIST_LOCK(&client->messages); + AST_LIST_TRAVERSE_SAFE_BEGIN(&client->messages, tmp, list) { + if (flag) { + AST_LIST_REMOVE_CURRENT(&client->messages, list); + if (tmp->from) + free(tmp->from); + if (tmp->message) + free(tmp->message); + } else if (difftime(time(NULL), tmp->arrived) >= client->message_timeout) { + flag = 1; + AST_LIST_REMOVE_CURRENT(&client->messages, list); + if (tmp->from) + free(tmp->from); + if (tmp->message) + free(tmp->message); + } + } + AST_LIST_TRAVERSE_SAFE_END; + AST_LIST_INSERT_HEAD(&client->messages, insert, list); + AST_LIST_UNLOCK(&client->messages); +} + +static void aji_handle_presence(struct aji_client *client, ikspak *pak) +{ + int status, priority; + struct aji_buddy *buddy; + struct aji_resource *tmp = NULL, *last = NULL, *found = NULL; + char *ver, *node, *descrip, *type; + + if(client->state != AJI_CONNECTED) + aji_create_buddy(pak->from->partial, client); + + buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial); + if (!buddy && 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"), 1, client->statusmessage); + ast_verbose("what i was looking for \n"); + } + ASTOBJ_WRLOCK(buddy); + status = (pak->show) ? pak->show : 6; + priority = atoi((iks_find_cdata(pak->x, "priority")) ? iks_find_cdata(pak->x, "priority") : "0"); + tmp = buddy->resources; + descrip = ast_strdup(iks_find_cdata(pak->x,"status")); + + while (tmp && pak->from->resource) { + if (!strcasecmp(tmp->resource, pak->from->resource)) { + tmp->status = status; + if (tmp->description) free(tmp->description); + tmp->description = descrip; + found = tmp; + if (status == 6) { /* Sign off Destroy resource */ + if (last && found->next) { + last->next = found->next; + } else if (!last) { + if (found->next) + buddy->resources = found->next; + else + buddy->resources = NULL; + } else if (!found->next) { + if (last) + last->next = NULL; + else + buddy->resources = NULL; + } + free(found); + found = NULL; + break; + } + /* 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 = (struct aji_resource *) malloc(sizeof(struct aji_resource)); + memset(found, 0, sizeof(struct aji_resource)); + + if (!found) { + ast_log(LOG_ERROR, "Out of memory!\n"); + return; + } + ast_copy_string(found->resource, pak->from->resource, sizeof(found->resource)); + found->status = status; + found->description = descrip; + found->priority = priority; + found->next = NULL; + last = NULL; + tmp = buddy->resources; + while (tmp) { + if (found->priority > tmp->priority) { + if (last) + last->next = found; + found->next = tmp; + if (!last) + buddy->resources = found; + break; + } + if (!tmp->next) { + tmp->next = found; + break; + } + last = tmp; + tmp = tmp->next; + } + if (!tmp) + buddy->resources = found; + } + + ASTOBJ_UNLOCK(buddy); + ASTOBJ_UNREF(buddy, aji_buddy_destroy); + + node = iks_find_attrib(iks_find(pak->x, "c"), "node"); + ver = iks_find_attrib(iks_find(pak->x, "c"), "ver"); + + /* 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 && option_debug > 4) + ast_log(LOG_DEBUG,"Special case for google till they support discover.\n"); + else { + iks *iq, *query; + iq = iks_new("iq"); + query = iks_new("query"); + if(query && iq) { + iks_insert_attrib(iq, "type", "get"); + iks_insert_attrib(iq, "to", pak->from->full); + iks_insert_attrib(iq,"from", 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); + iks_send(client->p, iq); + + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if(query) + iks_delete(query); + if(iq) + iks_delete(iq); + } + } + if (option_verbose > 4) { + switch (pak->subtype) { + case IKS_TYPE_AVAILABLE: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: I am available ^_* %i\n", pak->subtype); + break; + case IKS_TYPE_UNAVAILABLE: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: I am unavailable ^_* %i\n", pak->subtype); + break; + default: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: Ohh sexy and the wrong type: %i\n", pak->subtype); + } + switch (pak->show) { + case IKS_SHOW_UNAVAILABLE: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show); + break; + case IKS_SHOW_AVAILABLE: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type is available\n"); + break; + case IKS_SHOW_CHAT: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show); + break; + case IKS_SHOW_AWAY: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type is away\n"); + break; + case IKS_SHOW_XA: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show); + break; + case IKS_SHOW_DND: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: type: %i subtype %i\n", pak->subtype, pak->show); + break; + default: + ast_verbose(VERBOSE_PREFIX_3 "JABBER: Kinky! how did that happen %i\n", pak->show); + } + } +} + +/*! + * \brief handles subscription requests. + * \param aji_client struct and xml packet. + * \return void. + */ +static void aji_handle_subscribe(struct aji_client *client, ikspak *pak) +{ + iks *presence = NULL, *status = NULL; + struct aji_buddy* buddy = NULL; + + switch (pak->subtype) { + case IKS_TYPE_SUBSCRIBE: + 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); + iks_send(client->p, presence); + } else + ast_log(LOG_ERROR, "Unable to allocate nodes\n"); + if(presence) + iks_delete(presence); + if(status) + iks_delete(status); + if(client->component) + aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), 1, client->statusmessage); + 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); + } + 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 aji_client struct , reciever, message. + * \return 1. + */ +int ast_aji_send(struct aji_client *client, const char *address, const char *message) +{ + int res = 0; + iks *message_packet = NULL; + if (client->state == AJI_CONNECTED) { + message_packet = iks_make_msg(IKS_TYPE_CHAT, address, message); + if (message_packet) { + iks_insert_attrib(message_packet, "from", client->jid->full); + res = iks_send(client->p, message_packet); + } else { + ast_log(LOG_ERROR, "Out of memory.\n"); + } + if (message_packet) + iks_delete(message_packet); + } else + ast_log(LOG_WARNING, "JABBER: Not connected can't send\n"); + return 1; +} + +/*! + * \brief create a chatroom. + * \param aji_client struct , room, server, topic for the room. + * \return 0. + */ +int ast_aji_create_chat(struct aji_client *client, char *room, char *server, char *topic) +{ + int res = 0; + iks *iq = NULL; + iq = iks_new("iq"); + + if (iq && client) { + iks_insert_attrib(iq, "type", "get"); + iks_insert_attrib(iq, "to", server); + iks_insert_attrib(iq, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_send(client->p, iq); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + + iks_delete(iq); + + return res; +} + +/*! + * \brief join a chatroom. + * \param aji_client struct , room. + * \return res. + */ +int ast_aji_join_chat(struct aji_client *client, char *room) +{ + int res = 0; + iks *presence = NULL, *priority = NULL; + presence = iks_new("presence"); + priority = iks_new("priority"); + if (presence && priority && client) { + iks_insert_cdata(priority, "0", 1); + iks_insert_attrib(presence, "to", room); + iks_insert_node(presence, priority); + res = iks_send(client->p, presence); + iks_insert_cdata(priority, "5", 1); + iks_insert_attrib(presence, "to", room); + res = iks_send(client->p, presence); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if (presence) + iks_delete(presence); + if (priority) + iks_delete(priority); + return res; +} + +/*! + * \brief invite to a chatroom. + * \param aji_client struct ,user, room, message. + * \return res. + */ +int ast_aji_invite_chat(struct aji_client *client, char *user, char *room, char *message) +{ + int res = 0; + iks *invite, *body, *namespace; + + invite = iks_new("message"); + body = iks_new("body"); + namespace = iks_new("x"); + if (client && invite && body && namespace) { + iks_insert_attrib(invite, "to", user); + iks_insert_attrib(invite, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_insert_cdata(body, message, 0); + iks_insert_attrib(namespace, "xmlns", "jabber:x:conference"); + iks_insert_attrib(namespace, "jid", room); + iks_insert_node(invite, body); + iks_insert_node(invite, namespace); + res = iks_send(client->p, invite); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if (body) + iks_delete(body); + if (namespace) + iks_delete(namespace); + if (invite) + iks_delete(invite); + return res; +} + + +/*! + * \brief receive message loop. + * \param aji_client struct. + * \return void. + */ +static void *aji_recv_loop(void *data) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + int res = IKS_HOOK; + do { + if (res != IKS_OK) { + while(res != IKS_OK) { + if(option_verbose > 3) + ast_verbose("JABBER: reconnecting.\n"); + res = aji_reconnect(client); + sleep(4); + } + } + + res = iks_recv(client->p, 1); + + if (client->state == AJI_DISCONNECTING) { + if (option_debug > 1) + ast_log(LOG_DEBUG, "Ending our Jabber client's thread due to a disconnect\n"); + pthread_exit(NULL); + } + client->timeout--; + if (res == IKS_HOOK) + ast_log(LOG_WARNING, "JABBER: Got hook event.\n"); + else if (res == IKS_NET_TLSFAIL) + ast_log(LOG_WARNING, "JABBER: Failure in TLS.\n"); + else if (client->timeout == 0 && client->state == AJI_CONNECTED) { + res = client->keepalive ? iks_send_raw(client->p, " ") : 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, aji_client_destroy); + return 0; +} + +/*! + * \brief increments the mid field for messages and other events. + * \param message id. + * \return void. + */ +void ast_aji_increment_mid(char *mid) +{ + int i = 0; + + for (i = strlen(mid) - 1; i >= 0; i--) { + if (mid[i] != 'z') { + mid[i] = mid[i] + 1; + i = 0; + } else + mid[i] = 'a'; + } +} + + +/*! + * \brief attempts to register to a transport. + * \param aji_client struct, and xml packet. + * \return IKS_FILTER_EAT. + */ +/*allows for registering to transport , was too sketch and is out for now. */ +/*static int aji_register_transport(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + int res = 0; + struct aji_buddy *buddy = NULL; + iks *send = iks_make_iq(IKS_TYPE_GET, "jabber:iq:register"); + + if (client && send) { + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + if (iterator->btype == AJI_TRANS) { + buddy = iterator; + } + ASTOBJ_UNLOCK(iterator); + }); + iks_filter_remove_hook(client->f, aji_register_transport); + iks_filter_add_rule(client->f, aji_register_transport2, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_NS, IKS_NS_REGISTER, IKS_RULE_DONE); + iks_insert_attrib(send, "to", buddy->host); + iks_insert_attrib(send, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_insert_attrib(send, "from", client->user); + res = iks_send(client->p, send); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + + if (send) + iks_delete(send); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; + +} +*/ +/*! + * \brief attempts to register to a transport step 2. + * \param aji_client struct, and xml packet. + * \return IKS_FILTER_EAT. + */ +/* more of the same blob of code, too wonky for now*/ +/* static int aji_register_transport2(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + int res = 0; + struct aji_buddy *buddy = NULL; + + iks *regiq = iks_new("iq"); + iks *regquery = iks_new("query"); + iks *reguser = iks_new("username"); + iks *regpass = iks_new("password"); + + if (client && regquery && reguser && regpass && regiq) { + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + if (iterator->btype == AJI_TRANS) + buddy = iterator; ASTOBJ_UNLOCK(iterator); + }); + iks_filter_remove_hook(client->f, aji_register_transport2); + iks_insert_attrib(regiq, "to", buddy->host); + iks_insert_attrib(regiq, "type", "set"); + iks_insert_attrib(regiq, "id", client->mid); + ast_aji_increment_mid(client->mid); + iks_insert_attrib(regiq, "from", client->user); + iks_insert_attrib(regquery, "xmlns", "jabber:iq:register"); + iks_insert_cdata(reguser, buddy->user, 0); + iks_insert_cdata(regpass, buddy->pass, 0); + iks_insert_node(regiq, regquery); + iks_insert_node(regquery, reguser); + iks_insert_node(regquery, regpass); + res = iks_send(client->p, regiq); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if (regiq) + iks_delete(regiq); + if (regquery) + iks_delete(regquery); + if (reguser) + iks_delete(reguser); + if (regpass) + iks_delete(regpass); + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} +*/ +/*! + * \brief goes through roster and prunes users not needed in list, or adds them accordingly. + * \param aji_client struct. + * \return void. + */ +static void aji_pruneregister(struct aji_client *client) +{ + int res = 0; + iks *removeiq = iks_new("iq"); + iks *removequery = iks_new("query"); + iks *removeitem = iks_new("item"); + iks *send = iks_make_iq(IKS_TYPE_GET, "http://jabber.org/protocol/disco#items"); + + if (client && removeiq && removequery && removeitem && send) { + iks_insert_node(removeiq, removequery); + iks_insert_node(removequery, removeitem); + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + /* For an aji_buddy, both AUTOPRUNE and AUTOREGISTER will never + * be called at the same time */ + if (ast_test_flag(iterator, AJI_AUTOPRUNE)) { + res = iks_send(client->p, iks_make_s10n(IKS_TYPE_UNSUBSCRIBE, iterator->name, + "GoodBye your status is no longer needed by Asterisk the Open Source PBX" + " so I am no longer subscribing to your presence.\n")); + res = iks_send(client->p, iks_make_s10n(IKS_TYPE_UNSUBSCRIBED, iterator->name, + "GoodBye you are no longer in the asterisk config file so I am removing" + " your access to my presence.\n")); + iks_insert_attrib(removeiq, "from", client->jid->full); + iks_insert_attrib(removeiq, "type", "set"); + iks_insert_attrib(removequery, "xmlns", "jabber:iq:roster"); + iks_insert_attrib(removeitem, "jid", iterator->name); + iks_insert_attrib(removeitem, "subscription", "remove"); + res = iks_send(client->p, removeiq); + } else if (ast_test_flag(iterator, AJI_AUTOREGISTER)) { + res = iks_send(client->p, iks_make_s10n(IKS_TYPE_SUBSCRIBE, iterator->name, + "Greetings I am the Asterisk Open Source PBX and I want to subscribe to your presence\n")); + ast_clear_flag(iterator, AJI_AUTOREGISTER); + } + ASTOBJ_UNLOCK(iterator); + }); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if (removeiq) + iks_delete(removeiq); + if (removequery) + iks_delete(removequery); + if (removeitem) + iks_delete(removeitem); + if (send) + iks_delete(send); + ASTOBJ_CONTAINER_PRUNE_MARKED(&client->buddies, aji_buddy_destroy); +} + +/*! + * \brief filters the roster packet we get back from server. + * \param aji_client struct, and xml packet. + * \return IKS_FILTER_EAT. + */ +static int aji_filter_roster(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + int flag = 0; + iks *x = NULL; + struct aji_buddy *buddy; + + client->state = AJI_CONNECTED; + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + x = iks_child(pak->query); + flag = 0; + while (x) { + if (!iks_strcmp(iks_name(x), "item")) { + if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid"))) { + flag = 1; + ast_clear_flag(iterator, AJI_AUTOPRUNE | AJI_AUTOREGISTER); + } + } + x = iks_next(x); + } + if (!flag) + ast_copy_flags(iterator, client, AJI_AUTOREGISTER); + if (x) + iks_delete(x); + ASTOBJ_UNLOCK(iterator); + }); + + x = iks_child(pak->query); + while (x) { + flag = 0; + if (iks_strcmp(iks_name(x), "item") == 0) { + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid"))) + flag = 1; + ASTOBJ_UNLOCK(iterator); + }); + + if (!flag) { + buddy = (struct aji_buddy *) malloc(sizeof(struct aji_buddy)); + if (!buddy) { + ast_log(LOG_WARNING, "Out of memory\n"); + return 0; + } + memset(buddy, 0, sizeof(struct aji_buddy)); + ASTOBJ_INIT(buddy); + ASTOBJ_WRLOCK(buddy); + ast_copy_string(buddy->name, iks_find_attrib(x, "jid"), sizeof(buddy->name)); + ast_clear_flag(buddy, AST_FLAGS_ALL); + if(ast_test_flag(client, AJI_AUTOPRUNE)) { + ast_set_flag(buddy, AJI_AUTOPRUNE); + buddy->objflags |= ASTOBJ_FLAG_MARKED; + } else + ast_set_flag(buddy, AJI_AUTOREGISTER); + ASTOBJ_UNLOCK(buddy); + if (buddy) { + ASTOBJ_CONTAINER_LINK(&client->buddies, buddy); + ASTOBJ_UNREF(buddy, aji_buddy_destroy); + } + } + } + x = iks_next(x); + } + if (x) + iks_delete(x); + aji_pruneregister(client); + + ASTOBJ_UNREF(client, aji_client_destroy); + return IKS_FILTER_EAT; +} + +static int aji_reconnect(struct aji_client *client) +{ + int res = 0; + + if (client->state) + client->state = AJI_DISCONNECTED; + client->timeout=50; + if (client->p) + iks_parser_reset(client->p); + if (client->authorized) + client->authorized = 0; + + if(client->component) + res = aji_component_initialize(client); + else + res = aji_client_initialize(client); + + return res; +} + +static int aji_get_roster(struct aji_client *client) +{ + iks *roster = NULL; + roster = iks_make_iq(IKS_TYPE_GET, IKS_NS_ROSTER); + if(roster) { + iks_insert_attrib(roster, "id", "roster"); + aji_set_presence(client, NULL, client->jid->full, 1, client->statusmessage); + iks_send(client->p, roster); + } + if (roster) + iks_delete(roster); + return 1; +} + +/*! + * \brief connects as a client to jabber server. + * \param aji_client struct, and xml packet. + * \return res. + */ +static int aji_client_connect(void *data, ikspak *pak) +{ + struct aji_client *client = ASTOBJ_REF((struct aji_client *) data); + int res = 0; + + if (client) { + if (client->state == AJI_DISCONNECTED) { + iks_filter_add_rule(client->f, aji_filter_roster, client, IKS_RULE_TYPE, IKS_PAK_IQ, IKS_RULE_SUBTYPE, IKS_TYPE_RESULT, IKS_RULE_ID, "roster", IKS_RULE_DONE); + client->state = AJI_CONNECTING; + client->jid = (iks_find_cdata(pak->query, "jid")) ? iks_id_new(client->stack, iks_find_cdata(pak->query, "jid")) : client->jid; + iks_filter_remove_hook(client->f, aji_client_connect); + if(!client->component) /*client*/ + aji_get_roster(client); + } + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + + ASTOBJ_UNREF(client, aji_client_destroy); + return res; +} + +/*! + * \brief prepares client for connect. + * \param aji_client struct. + * \return 1. + */ +static int aji_client_initialize(struct aji_client *client) +{ + int connected = 0; + + connected = iks_connect_via(client->p, S_OR(client->serverhost, client->jid->server), client->port, client->jid->server); + + if (connected == IKS_NET_NOCONN) { + ast_log(LOG_ERROR, "JABBER ERROR: No Connection\n"); + return IKS_HOOK; + } else if (connected == IKS_NET_NODNS) { + ast_log(LOG_ERROR, "JABBER ERROR: No DNS %s for client to %s\n", client->name, S_OR(client->serverhost, client->jid->server)); + return IKS_HOOK; + } else + iks_recv(client->p, 30); + return IKS_OK; +} + +/*! + * \brief prepares component for connect. + * \param aji_client struct. + * \return 1. + */ +static int aji_component_initialize(struct aji_client *client) +{ + int connected = 1; + + connected = iks_connect_via(client->p, S_OR(client->serverhost, client->jid->server), client->port, client->user); + if (connected == IKS_NET_NOCONN) { + ast_log(LOG_ERROR, "JABBER ERROR: No Connection\n"); + return IKS_HOOK; + } else if (connected == IKS_NET_NODNS) { + ast_log(LOG_ERROR, "JABBER ERROR: No DNS %s for client to %s\n", client->name, S_OR(client->serverhost, client->jid->server)); + return IKS_HOOK; + } else if (!connected) + iks_recv(client->p, 30); + return IKS_OK; +} + +/*! + * \brief disconnect from jabber server. + * \param aji_client struct. + * \return 1. + */ +int ast_aji_disconnect(struct aji_client *client) +{ + if (client) { + if (option_verbose > 3) + ast_verbose(VERBOSE_PREFIX_3 "JABBER: Disconnecting\n"); + iks_disconnect(client->p); + iks_parser_delete(client->p); + ASTOBJ_UNREF(client, aji_client_destroy); + } + + return 1; +} + +/*! + * \brief set presence of client. + * \param aji_client struct, user to send it to, and from, level, description. + * \return void. + */ +static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc) +{ + int res = 0; + iks *presence = iks_make_pres(level, desc); + iks *cnode = iks_new("c"); + iks *priority = iks_new("priority"); + + iks_insert_cdata(priority, "0", 1); + if (presence && cnode && client) { + if(to) + iks_insert_attrib(presence, "to", to); + if(from) + iks_insert_attrib(presence, "from", from); + iks_insert_attrib(cnode, "node", "http://www.asterisk.org/xmpp/client/caps"); + iks_insert_attrib(cnode, "ver", "asterisk-xmpp"); + iks_insert_attrib(cnode, "ext", "voice-v1"); + iks_insert_attrib(cnode, "xmlns", "http://jabber.org/protocol/caps"); + iks_insert_node(presence, cnode); + res = iks_send(client->p, presence); + } else + ast_log(LOG_ERROR, "Out of memory.\n"); + if (cnode) + iks_delete(cnode); + if (presence) + iks_delete(presence); +} + +/*! + * \brief turnon console debugging. + * \param fd, number of args, args. + * \return RESULT_SUCCESS. + */ +static int aji_do_debug(int fd, int argc, char *argv[]) +{ + ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { + ASTOBJ_RDLOCK(iterator); + iterator->debug = 1; + ASTOBJ_UNLOCK(iterator); + }); + ast_cli(fd, "Jabber Debugging Enabled.\n"); + return RESULT_SUCCESS; +} + +/*! + * \brief reload jabber module. + * \param fd, number of args, args. + * \return RESULT_SUCCESS. + */ +static int aji_do_reload(int fd, int argc, char *argv[]) +{ + aji_reload(); + ast_cli(fd, "Jabber Reloaded.\n"); + return RESULT_SUCCESS; +} + +/*! + * \brief turnoff console debugging. + * \param fd, number of args, args. + * \return RESULT_SUCCESS. + */ +static int aji_no_debug(int fd, int argc, char *argv[]) +{ + ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { + ASTOBJ_RDLOCK(iterator); + iterator->debug = 0; + ASTOBJ_UNLOCK(iterator); + }); + ast_cli(fd, "Jabber Debugging Disabled.\n"); + return RESULT_SUCCESS; +} + +/*! + * \brief show client status. + * \param fd, number of args, args. + * \return RESULT_SUCCESS. + */ +static int aji_show_clients(int fd, int argc, char *argv[]) +{ + char *status; + int count = 0; + ast_cli(fd, "Jabber Users and their status:\n"); + ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { + ASTOBJ_RDLOCK(iterator); + count++; + switch (iterator->state) { + case AJI_DISCONNECTED: + status = "Disconnected"; + break; + case AJI_CONNECTING: + status = "Connecting"; + break; + case AJI_CONNECTED: + status = "Connected"; + break; + default: + status = "Unknown"; + } + ast_cli(fd, " User: %s - %s\n", iterator->user, status); + ASTOBJ_UNLOCK(iterator); + }); + ast_cli(fd, "----\n"); + ast_cli(fd, " Number of users: %d\n", count); + return RESULT_SUCCESS; +} + +/*! + * \brief send test message for debugging. + * \param fd, number of args, args. + * \return RESULT_SUCCESS. + */ +static int aji_test(int fd, int argc, char *argv[]) +{ + struct aji_client *client; + struct aji_resource *resource; + const char *name = "asterisk"; + struct aji_message *tmp; + + if (argc > 3) + return RESULT_SHOWUSAGE; + else if (argc == 3) + name = argv[2]; + + if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) { + ast_cli(fd, "Unable to find client '%s'!\n", name); + return RESULT_FAILURE; + } + + /* XXX Does Matt really want everyone to use his personal address for tests? */ /* XXX yes he does */ + ast_aji_send(client, "mogorman@astjab.org", "blahblah"); + ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, { + ASTOBJ_RDLOCK(iterator); + ast_verbose("User: %s\n", iterator->name); + for (resource = iterator->resources; resource; resource = resource->next) { + ast_verbose("Resource: %s\n", resource->resource); + if(resource->cap) { + ast_verbose(" client: %s\n", resource->cap->parent->node); + ast_verbose(" version: %s\n", resource->cap->version); + ast_verbose(" Jingle Capable: %d\n", resource->cap->jingle); + } + ast_verbose(" Priority: %d\n", resource->priority); + ast_verbose(" Status: %d\n", resource->status); + ast_verbose(" Message: %s\n", S_OR(resource->description,"")); + } + ASTOBJ_UNLOCK(iterator); + }); + ast_verbose("\nOooh a working message stack!\n"); + AST_LIST_LOCK(&client->messages); + AST_LIST_TRAVERSE(&client->messages, tmp, list) { + ast_verbose(" Message from: %s with id %s @ %s %s\n",tmp->from, S_OR(tmp->id,""), ctime(&tmp->arrived), S_OR(tmp->message, "")); + } + AST_LIST_UNLOCK(&client->messages); + ASTOBJ_UNREF(client, aji_client_destroy); + + return RESULT_SUCCESS; +} + +/*! + * \brief creates aji_client structure. + * \param label, ast_variable, debug, pruneregister, component/client, aji_client to dump into. + * \return 0. + */ +static int aji_create_client(char *label, struct ast_variable *var, int debug) +{ + char *resource; + struct aji_client *client = NULL; + int flag = 0; + + client = ASTOBJ_CONTAINER_FIND(&clients,label); + if (!client) { + flag = 1; + client = (struct aji_client *) malloc(sizeof(struct aji_client)); + if (!client) { + ast_log(LOG_ERROR, "Out of memory!\n"); + return 0; + } + memset(client, 0, sizeof(struct aji_client)); + ASTOBJ_INIT(client); + ASTOBJ_WRLOCK(client); + ASTOBJ_CONTAINER_INIT(&client->buddies); + } else { + ASTOBJ_WRLOCK(client); + ASTOBJ_UNMARK(client); + } + ASTOBJ_CONTAINER_MARKALL(&client->buddies); + ast_copy_string(client->name, label, sizeof(client->name)); + ast_copy_string(client->mid, "aaaaa", sizeof(client->mid)); + + /* Set default values for the client object */ + client->debug = debug; + ast_copy_flags(client, &globalflags, AST_FLAGS_ALL); + client->port = 5222; + client->usetls = 1; + client->usesasl = 1; + client->forcessl = 0; + client->keepalive = 1; + client->timeout = 50; + client->message_timeout = 100; + AST_LIST_HEAD_INIT(&client->messages); + client->component = 0; + ast_copy_string(client->statusmessage, "Online and Available", sizeof(client->statusmessage)); + + if (flag) { + client->authorized = 0; + client->state = AJI_DISCONNECTED; + } + while (var) { + if (!strcasecmp(var->name, "username")) + ast_copy_string(client->user, var->value, sizeof(client->user)); + else if (!strcasecmp(var->name, "serverhost")) + ast_copy_string(client->serverhost, var->value, sizeof(client->serverhost)); + else if (!strcasecmp(var->name, "secret")) + ast_copy_string(client->password, var->value, sizeof(client->password)); + else if (!strcasecmp(var->name, "statusmessage")) + ast_copy_string(client->statusmessage, var->value, sizeof(client->statusmessage)); + else if (!strcasecmp(var->name, "port")) + client->port = atoi(var->value); + else if (!strcasecmp(var->name, "timeout")) + client->message_timeout = atoi(var->value); + else if (!strcasecmp(var->name, "debug")) + client->debug = (ast_false(var->value)) ? 0 : 1; + else if (!strcasecmp(var->name, "type")) { + if (!strcasecmp(var->value, "component")) + client->component = 1; + } else if (!strcasecmp(var->name, "usetls")) { + client->usetls = (ast_false(var->value)) ? 0 : 1; + } else if (!strcasecmp(var->name, "usesasl")) { + client->usesasl = (ast_false(var->value)) ? 0 : 1; + } else if (!strcasecmp(var->name, "forceoldssl")) + client->forcessl = (ast_false(var->value)) ? 0 : 1; + else if (!strcasecmp(var->name, "keepalive")) + client->keepalive = (ast_false(var->value)) ? 0 : 1; + else if (!strcasecmp(var->name, "autoprune")) + ast_set2_flag(client, ast_true(var->value), AJI_AUTOPRUNE); + else if (!strcasecmp(var->name, "autoregister")) + ast_set2_flag(client, ast_true(var->value), AJI_AUTOREGISTER); + else if (!strcasecmp(var->name, "buddy")) + aji_create_buddy(var->value, client); + /* no transport support in this version */ + /* else if (!strcasecmp(var->name, "transport")) + aji_create_transport(var->value, client); + */ + var = var->next; + } + if (!flag) { + ASTOBJ_UNLOCK(client); + ASTOBJ_UNREF(client, aji_client_destroy); + return 1; + } + client->p = iks_stream_new(((client->component) ? "jabber:component:accept" : "jabber:client"), client, aji_act_hook); + if (!client->p) { + ast_log(LOG_ERROR, "Failed to create stream for client '%s'!\n", client->name); + return 0; + } + client->stack = iks_stack_new(8192, 8192); + if (!client->stack) { + ast_log(LOG_ERROR, "Failed to allocate stack for client '%s'\n", client->name); + return 0; + } + client->f = iks_filter_new(); + if (!client->f) { + ast_log(LOG_ERROR, "Failed to create filter for client '%s'\n", client->name); + return 0; + } + if (!strchr(client->user, '/') && !client->component) { /*client */ + resource = NULL; + if (asprintf(&resource, "%s/asterisk", client->user) > 0) { + client->jid = iks_id_new(client->stack, resource); + free(resource); + } + } else + client->jid = iks_id_new(client->stack, client->user); + if (client->component) { + iks_filter_add_rule(client->f, aji_dinfo_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE); + iks_filter_add_rule(client->f, aji_ditems_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#items", IKS_RULE_DONE); + iks_filter_add_rule(client->f, aji_register_query_handler, client, IKS_RULE_SUBTYPE, IKS_TYPE_GET, IKS_RULE_NS, "jabber:iq:register", IKS_RULE_DONE); + iks_filter_add_rule(client->f, aji_register_approve_handler, client, IKS_RULE_SUBTYPE, IKS_TYPE_SET, IKS_RULE_NS, "jabber:iq:register", IKS_RULE_DONE); + } else { + iks_filter_add_rule(client->f, aji_client_info_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE); + } + if (!strchr(client->user, '/') && !client->component) { /*client */ + resource = NULL; + if (asprintf(&resource, "%s/asterisk", client->user) > 0) { + client->jid = iks_id_new(client->stack, resource); + free(resource); + } + } else + client->jid = iks_id_new(client->stack, client->user); + iks_set_log_hook(client->p, aji_log_hook); + ASTOBJ_UNLOCK(client); + ASTOBJ_CONTAINER_LINK(&clients,client); + return 1; +} + +/*! + * \brief creates transport. + * \param label, buddy to dump it into. + * \return 0. + */ +/* no connecting to transports today */ +/* +static int aji_create_transport(char *label, struct aji_client *client) +{ + char *server = NULL, *buddyname = NULL, *user = NULL, *pass = NULL; + struct aji_buddy *buddy = NULL; + + buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label); + if (!buddy) { + buddy = malloc(sizeof(struct aji_buddy)); + if(!buddy) { + ast_log(LOG_WARNING, "Out of memory\n"); + return 0; + } + memset(buddy, 0, sizeof(struct aji_buddy)); + ASTOBJ_INIT(buddy); + } + ASTOBJ_WRLOCK(buddy); + server = label; + if ((buddyname = strchr(label, ','))) { + *buddyname = '\0'; + buddyname++; + if (buddyname && buddyname[0] != '\0') { + if ((user = strchr(buddyname, ','))) { + *user = '\0'; + user++; + if (user && user[0] != '\0') { + if ((pass = strchr(user, ','))) { + *pass = '\0'; + pass++; + ast_copy_string(buddy->pass, pass, sizeof(buddy->pass)); + ast_copy_string(buddy->user, user, sizeof(buddy->user)); + ast_copy_string(buddy->name, buddyname, sizeof(buddy->name)); + ast_copy_string(buddy->server, server, sizeof(buddy->server)); + return 1; + } + } + } + } + } + ASTOBJ_UNLOCK(buddy); + ASTOBJ_UNMARK(buddy); + ASTOBJ_CONTAINER_LINK(&client->buddies, buddy); + return 0; +} +*/ + +/*! + * \brief creates buddy. + * \param label, buddy to dump it into. + * \return 0. + */ +static int aji_create_buddy(char *label, struct aji_client *client) +{ + struct aji_buddy *buddy = NULL; + int flag = 0; + buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label); + if (!buddy) { + flag = 1; + buddy = malloc(sizeof(struct aji_buddy)); + if(!buddy) { + ast_log(LOG_WARNING, "Out of memory\n"); + return 0; + } + memset(buddy, 0, sizeof(struct aji_buddy)); + ASTOBJ_INIT(buddy); + } + ASTOBJ_WRLOCK(buddy); + ast_copy_string(buddy->name, label, sizeof(buddy->name)); + ASTOBJ_UNLOCK(buddy); + if(flag) + ASTOBJ_CONTAINER_LINK(&client->buddies, buddy); + else { + ASTOBJ_UNMARK(buddy); + ASTOBJ_UNREF(buddy, aji_buddy_destroy); + } + return 1; +} + +/*! + * \brief load config file. + * \param void. + * \return 1. + */ +static int aji_load_config(void) +{ + char *cat = NULL; + int debug = 1; + struct ast_config *cfg = NULL; + struct ast_variable *var = NULL; + + cfg = ast_config_load(JABBER_CONFIG); + if (!cfg) { + ast_log(LOG_WARNING, "No such configuration file %s\n", JABBER_CONFIG); + return 0; + } + + cat = ast_category_browse(cfg, NULL); + for (var = ast_variable_browse(cfg, "general"); var; var = var->next) { + if (!strcasecmp(var->name, "debug")) + debug = (ast_false(ast_variable_retrieve(cfg, "general", "debug"))) ? 0 : 1; + else if (!strcasecmp(var->name, "autoprune")) + ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOPRUNE); + else if (!strcasecmp(var->name, "autoregister")) + ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOREGISTER); + } + + while (cat) { + if (strcasecmp(cat, "general")) { + var = ast_variable_browse(cfg, cat); + aji_create_client(cat, var, debug); + } + cat = ast_category_browse(cfg, cat); + } + ast_config_destroy(cfg); /* or leak memory */ + return 1; +} + +/*! + * \brief grab a aji_client structure by label name or JID + * (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 = iterator; + } + }); + } + + return client; +} + +struct aji_client_container *ast_aji_get_clients(void) +{ + return &clients; +} + +static char mandescr_jabber_send[] = +"Description: Sends a message to a Jabber Client.\n" +"Variables: \n" +" Jabber: Client or transport Asterisk uses to connect to JABBER.\n" +" ScreenName: User Name to message.\n" +" Message: Message to be sent to the buddy\n"; + +/*! \brief Send a Jabber Message via call from the Manager */ +static int manager_jabber_send(struct mansession *s, const struct message *m) +{ + struct aji_client *client = NULL; + const char *id = astman_get_header(m,"ActionID"); + const char *jabber = astman_get_header(m,"Jabber"); + const char *screenname = astman_get_header(m,"ScreenName"); + const char *message = astman_get_header(m,"Message"); + + if (ast_strlen_zero(jabber)) { + astman_send_error(s, m, "No transport specified"); + return 0; + } + if (ast_strlen_zero(screenname)) { + astman_send_error(s, m, "No ScreenName specified"); + return 0; + } + if (ast_strlen_zero(message)) { + astman_send_error(s, m, "No Message specified"); + return 0; + } + + astman_send_ack(s, m, "Attempting to send Jabber Message"); + client = ast_aji_get_client(jabber); + if (!client) { + astman_send_error(s, m, "Could not find Sender"); + return 0; + } + if (strchr(screenname, '@') && message){ + ast_aji_send(client, screenname, message); + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n",id); + astman_append(s, "Response: Success\r\n"); + return 0; + } + if (!ast_strlen_zero(id)) + astman_append(s, "ActionID: %s\r\n",id); + astman_append(s, "Response: Failure\r\n"); + return 0; +} + + +static int aji_reload() +{ + ASTOBJ_CONTAINER_MARKALL(&clients); + if (!aji_load_config()) { + ast_log(LOG_ERROR, "JABBER: Failed to load config.\n"); + return 0; + } + ASTOBJ_CONTAINER_PRUNE_MARKED(&clients, aji_client_destroy); + ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { + ASTOBJ_RDLOCK(iterator); + if(iterator->state == AJI_DISCONNECTED) { + if (!iterator->thread) + ast_pthread_create_background(&iterator->thread, NULL, aji_recv_loop, iterator); + } else if (iterator->state == AJI_CONNECTING) + aji_get_roster(iterator); + ASTOBJ_UNLOCK(iterator); + }); + + return 1; +} + +static int unload_module(void) +{ + + /* Check if TLS is initialized. If that's the case, we can't unload this + module due to a bug in the iksemel library that will cause a crash or + a deadlock. We're trying to find a way to handle this, but in the meantime + we will simply refuse to die... + */ + if (tls_initialized) { + ast_log(LOG_ERROR, "Module can't be unloaded due to a bug in the Iksemel library when using TLS.\n"); + return 1; /* You need a forced unload to get rid of this module */ + } + + ast_cli_unregister_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry)); + ast_unregister_application(app_ajisend); + ast_unregister_application(app_ajistatus); + ast_manager_unregister("JabberSend"); + + ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { + ASTOBJ_RDLOCK(iterator); + if (option_debug > 2) + ast_log(LOG_DEBUG, "JABBER: Releasing and disconneing client: %s\n", iterator->name); + iterator->state = AJI_DISCONNECTING; + ast_aji_disconnect(iterator); + pthread_join(iterator->thread, NULL); + ASTOBJ_UNLOCK(iterator); + }); + + ASTOBJ_CONTAINER_DESTROYALL(&clients, aji_client_destroy); + ASTOBJ_CONTAINER_DESTROY(&clients); + return 0; +} + +static int load_module(void) +{ + ASTOBJ_CONTAINER_INIT(&clients); + if(!aji_reload()) + return AST_MODULE_LOAD_DECLINE; + ast_manager_register2("JabberSend", EVENT_FLAG_SYSTEM, manager_jabber_send, + "Sends a message to a Jabber Client", mandescr_jabber_send); + ast_register_application(app_ajisend, aji_send_exec, ajisend_synopsis, ajisend_descrip); + ast_register_application(app_ajistatus, aji_status_exec, ajistatus_synopsis, ajistatus_descrip); + ast_cli_register_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry)); + + return 0; +} + +static int reload(void) +{ + aji_reload(); + return 0; +} + +AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "AJI - Asterisk Jabber Interface", + .load = load_module, + .unload = unload_module, + .reload = reload, + ); |