/* * Asterisk -- An open source telephony toolkit. * * Copyright (C) 1999 - 2006, Digium, Inc. * * Matt O'Gorman * * 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 iksemel openssl ***/ #include "asterisk.h" ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include #include #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" /*! \todo This should really be renamed to xmpp.conf. For backwards compatibility, we need to read both files */ #define JABBER_CONFIG "jabber.conf" #ifndef FALSE #define FALSE 0 #endif #ifndef TRUE #define TRUE 1 #endif /*-- Forward declarations */ 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 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 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 char *aji_do_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a); 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 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 struct ast_cli_entry cli_aji_do_debug_deprecated = AST_CLI_DEFINE(aji_do_debug_deprecated, "Enable/disable jabber debugging"); static struct ast_cli_entry aji_cli[] = { AST_CLI_DEFINE(aji_do_set_debug, "Enable/Disable Jabber debug", .deprecate_cmd = &cli_aji_do_debug_deprecated), 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."), }; 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 - XMPP/Jabber JID (Name) of recipient\n" " Message - Message to be sent to the budd (UTF8)y\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, 1=Online, 2=Chatty, 3=Away, 4=XAway, 5=DND, 6=Offline\n" " If not in roster variable will be set to 7\n\n" "Note: This application is deprecated. Please use the JABBER_STATUS() function instead.\n"; struct aji_client_container clients; struct aji_capabilities *capabilities = NULL; /*! \brief Global flags, initialized to default values */ static struct ast_flags globalflags = { AJI_AUTOREGISTER }; /*! * \brief Deletes the aji_client data structure. * \param obj aji_client 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) ast_free(tmp->from); if (tmp->message) ast_free(tmp->message); } AST_LIST_HEAD_DESTROY(&obj->messages); ast_free(obj); } /*! * \brief Deletes the aji_buddy data structure. * \param obj aji_buddy 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; ast_free(tmp->description); ast_free(tmp); } ast_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 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; } /*! * \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; } /*! * \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")) return 1; return 0; } /*! * \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; } /*! * \brief Dial plan function status(). puts the status of watched user into a channel variable. * \param chan ast_channel * \param data * \return 0 on success, -1 on error */ 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; 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(,[/],\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 (!(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); return -1; } r = aji_find_resource(buddy, jid.resource); if (!r && buddy->resources) r = buddy->resources; 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; } 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(,[/])\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 (!(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); return -1; } r = aji_find_resource(buddy, jid.resource); if (!r && buddy->resources) r = buddy->resources; 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", .synopsis = "Retrieve buddy status", .syntax = "JABBER_STATUS(,[/])", .read = acf_jabberstatus_read, .desc = "Retrieves the numeric status associated with the specified buddy (jid). If the\n" "buddy does not exist in the buddylist, returns 7.\n" "Status will be 1-7.\n" " 1=Online, 2=Chatty, 3=Away, 4=XAway, 5=DND, 6=Offline\n" " If not in roster variable will be set to 7\n\n", }; /*! * \brief Dial plan function to send a message. * \param chan ast_channel * \param data Data is sender|receiver|message. * \return 0 on success,-1 on error. */ static int aji_send_exec(struct ast_channel *chan, void *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_ERROR, "Usage: JabberSend(,,)\n"); return 0; } s = ast_strdupa(data); AST_STANDARD_APP_ARGS(args, s); if (args.argc < 3) { ast_log(LOG_ERROR, "JabberSend requires 3 arguments: '%s'\n", (char *) data); 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); return 0; } /*! * \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 /*! * \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 */ ret = iks_send_raw(client->p, ""); if (ret) return ret; client->stream_flags |= TRY_SECURE; return IKS_OK; } /*! * \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(); client->ssl_context = SSL_CTX_new(client->ssl_method); if (!client->ssl_context) return IKS_NET_TLSFAIL; /* Create new SSL session */ client->ssl_session = SSL_new(client->ssl_context); if (!client->ssl_session) return IKS_NET_TLSFAIL; /* Enforce TLS on our XMPP connection */ sock = iks_fd(client->p); ret = SSL_set_fd(client->ssl_session, sock); if (!ret) return IKS_NET_TLSFAIL; /* Perform SSL handshake */ ret = SSL_connect(client->ssl_session); if (!ret) return IKS_NET_TLSFAIL; client->stream_flags &= (~TRY_SECURE); client->stream_flags |= SECURE; /* Sent over the established TLS connection */ ret = aji_send_header(client, client->jid->server); if (ret != IKS_OK) return IKS_NET_TLSFAIL; ast_debug(1, "TLS started with server\n"); return IKS_OK; } #endif /* HAVE_OPENSSL */ /*! * \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 * \return the number of read bytes on success, 0 on timeout expiration, * -1 on error */ static int aji_io_recv(struct aji_client *client, char *buffer, size_t buf_len, int timeout) { int sock; fd_set fds; struct timeval tv, *tvptr = NULL; int len, res; #ifdef HAVE_OPENSSL if (aji_is_secure(client)) { sock = SSL_get_fd(client->ssl_session); if (sock < 0) return -1; } else #endif /* HAVE_OPENSSL */ sock = iks_fd(client->p); memset(&tv, 0, sizeof(struct timeval)); FD_ZERO(&fds); FD_SET(sock, &fds); tv.tv_sec = timeout; /* NULL value for tvptr makes ast_select wait indefinitely */ tvptr = (timeout != -1) ? &tv : NULL; /* ast_select emulates linux behaviour in terms of timeout handling */ res = ast_select(sock + 1, &fds, NULL, NULL, tvptr); 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(sock, buffer, buf_len, 0); if (len > 0) { return len; } else if (len <= 0) { return -1; } } return res; } /*! * \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. * \return IKS_OK on success, IKS_NET_RWERR on IO error, IKS_NET_NOCONN, if no * connection available, IKS_NET_EXPIRED on 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; } /*! * \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, "" "", 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)); } /*! * \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; } /*! * \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, aji_client_destroy); } /*! * \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 = alloca(len); base64 = 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; } /*! * \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, 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 && !aji_is_secure(client)) { #ifndef HAVE_OPENSSL ast_log(LOG_ERROR, "OpenSSL not installed. You need to install OpenSSL on this system, or disable the TLS option in your configuration file\n"); ASTOBJ_UNREF(client, 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, 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, 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, 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, "%s", shasum) >= 0) { aji_send_raw(client, handshake); ast_free(handshake); handshake = NULL; } client->state = AJI_CONNECTING; if(aji_recv(client, 1) == 2) /*XXX proper result for iksemel library on iks_recv of 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, 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: 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, aji_client_destroy); return IKS_OK; } /*! * \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, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \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(client, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \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, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \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(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); 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(client, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \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); resource = aji_find_resource(buddy, pak->from->resource); if (pak->subtype == IKS_TYPE_ERROR) { ast_log(LOG_WARNING, "Received 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); 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(client, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \brief Handles \verbatim \endverbatim tags. * \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 */ } /*! * \brief Handles presence packets. * \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, *tmp; int flag = 0; if (!(insert = ast_calloc(1, sizeof(*insert)))) 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(list); if (tmp->from) ast_free(tmp->from); if (tmp->message) ast_free(tmp->message); } else if (difftime(time(NULL), tmp->arrived) >= client->message_timeout) { flag = 1; AST_LIST_REMOVE_CURRENT(list); if (tmp->from) ast_free(tmp->from); if (tmp->message) ast_free(tmp->message); } } AST_LIST_TRAVERSE_SAFE_END; AST_LIST_INSERT_HEAD(&client->messages, insert, list); AST_LIST_UNLOCK(&client->messages); } /*! * \brief Check the presence info * \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"); 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_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); } } /*! * \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: 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); } 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 * \return 1. */ int ast_aji_send_chat(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 = ast_aji_send(client, message_packet); } else { ast_log(LOG_ERROR, "Out of memory.\n"); } iks_delete(message_packet); } else ast_log(LOG_WARNING, "JABBER: Not connected can't send\n"); return 1; } /*! * \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 * \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 = ast_aji_send(client, presence); iks_insert_cdata(priority, "5", 1); iks_insert_attrib(presence, "to", room); res = ast_aji_send(client, presence); } else ast_log(LOG_ERROR, "Out of memory.\n"); iks_delete(presence); iks_delete(priority); return res; } /*! * \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; } /*! * \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 */ if (res == IKS_NET_EXPIRED) client->timeout--; 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, 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, 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, aji_client_destroy); return IKS_FILTER_EAT; } #endif /*! * \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) { 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) { 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 */ res = 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")); res = 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"); res = ast_aji_send(client, removeiq); } else if (ast_test_flag(&iterator->flags, AJI_AUTOREGISTER)) { res = 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, aji_buddy_destroy); } /*! * \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"); 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 (!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, aji_buddy_destroy); } } x = iks_next(x); } iks_delete(x); aji_pruneregister(client); ASTOBJ_UNREF(client, aji_client_destroy); return IKS_FILTER_EAT; } /*! * \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; } /*! * \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; } /*! * \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 = 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 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, aji_client_destroy); } return 1; } /*! * \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) { int res = 0; 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); res = ast_aji_send(client, presence); } else ast_log(LOG_ERROR, "Out of memory.\n"); iks_delete(cnode); iks_delete(presence); iks_delete(priority); } /*! * \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 */ } /*! * \brief Turn on/off console debugging (deprecated, use aji_do_set_debug). * \return CLI_SUCCESS. */ static char *aji_do_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) { switch (cmd) { case CLI_INIT: e->command = "jabber debug [off]"; e->usage = "Usage: jabber debug [off]\n" " Enables/disables dumping of Jabber packets for debugging purposes.\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc == 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 (a->argc == 3) { if (!strncasecmp(a->argv[2], "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 */ } /*! * \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; } /*! * \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 connected"; e->usage = "Usage: jabber show connected\n" " Shows state of clients and components\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, " User: %s - %s\n", iterator->user, status); ASTOBJ_UNLOCK(iterator); }); ast_cli(a->fd, "----\n"); ast_cli(a->fd, " Number of users: %d\n", count); return CLI_SUCCESS; } /*! * \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; } /*! * \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 = "asterisk"; struct aji_message *tmp; switch (cmd) { case CLI_INIT: e->command = "jabber test"; e->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"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc > 3) return CLI_SHOWUSAGE; else if (a->argc == 3) 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, aji_client_destroy); return CLI_SUCCESS; } /*! * \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)); /* 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 = 100; 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; 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->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, "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); } /* 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; } 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 */ resource = NULL; if (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); } 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); ast_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; } #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; buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label); if (!buddy) { 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)); return 1; } } } } } ASTOBJ_UNLOCK(buddy); ASTOBJ_UNMARK(buddy); ASTOBJ_CONTAINER_LINK(&client->buddies, buddy); return 0; } #endif /*! * \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 flag = 0; buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label); if (!buddy) { flag = 1; 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(flag) ASTOBJ_CONTAINER_LINK(&client->buddies, buddy); else { ASTOBJ_UNMARK(buddy); ASTOBJ_UNREF(buddy, aji_buddy_destroy); } return 1; } /*!< load config file. \return 1. */ static int aji_load_config(int reload) { char *cat = NULL; int debug = 1; 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); 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 * \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"); } if (!ast_strlen_zero(id)) { astman_append(s, "ActionID: %s\r\n",id); } astman_append(s, "\r\n"); return 0; } /*! \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, 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; } /*! \brief Unload the jabber module */ static int unload_module(void) { ast_cli_unregister_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry)); ast_unregister_application(app_ajisend); ast_unregister_application(app_ajistatus); ast_manager_unregister("JabberSend"); ast_custom_function_unregister(&jabberstatus_function); ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, { ASTOBJ_RDLOCK(iterator); ast_debug(3, "JABBER: Releasing and disconnecting 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; } /*! \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_register2("JabberSend", EVENT_FLAG_SYSTEM, manager_jabber_send, "Sends a message to a Jabber Client", mandescr_jabber_send); ast_register_application(app_ajisend, aji_send_exec, ajisend_synopsis, ajisend_descrip); ast_register_application(app_ajistatus, aji_status_exec, ajistatus_synopsis, ajistatus_descrip); ast_cli_register_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry)); ast_custom_function_register(&jabberstatus_function); return 0; } /*! \brief Wrapper for aji_reload */ static int reload(void) { aji_reload(1); return 0; } AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "AJI - Asterisk Jabber Interface", .load = load_module, .unload = unload_module, .reload = reload, );