Thu Jul 9 13:40:39 2009

Asterisk developer's documentation


res_jabber.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2006, Digium, Inc.
00005  *
00006  * Matt O'Gorman <mogorman@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  * \brief A resource for interfacing Asterisk directly as a client
00021  * or a component to a XMPP/Jabber compliant server.
00022  *
00023  * References:
00024  * - http://www.xmpp.org - The XMPP standards foundation
00025  *
00026  * \extref Iksemel http://code.google.com/p/iksemel/
00027  *
00028  * \todo If you unload this module, chan_gtalk/jingle will be dead. How do we handle that?
00029  * \todo Dialplan applications need RETURN variable, like JABBERSENDSTATUS
00030  *
00031  */
00032 
00033 /*** MODULEINFO
00034    <depend>iksemel</depend>
00035    <use>openssl</use>
00036  ***/
00037 
00038 #include "asterisk.h"
00039 
00040 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 198384 $")
00041 
00042 #include <ctype.h>
00043 #include <iksemel.h>
00044 
00045 #include "asterisk/channel.h"
00046 #include "asterisk/jabber.h"
00047 #include "asterisk/file.h"
00048 #include "asterisk/config.h"
00049 #include "asterisk/callerid.h"
00050 #include "asterisk/lock.h"
00051 #include "asterisk/cli.h"
00052 #include "asterisk/app.h"
00053 #include "asterisk/pbx.h"
00054 #include "asterisk/md5.h"
00055 #include "asterisk/acl.h"
00056 #include "asterisk/utils.h"
00057 #include "asterisk/module.h"
00058 #include "asterisk/astobj.h"
00059 #include "asterisk/astdb.h"
00060 #include "asterisk/manager.h"
00061 
00062 /*! \todo This should really be renamed to xmpp.conf. For backwards compatibility, we
00063    need to read both files */
00064 #define JABBER_CONFIG "jabber.conf"
00065 
00066 #ifndef FALSE
00067 #define FALSE 0
00068 #endif
00069 
00070 #ifndef TRUE
00071 #define TRUE 1
00072 #endif
00073 
00074 /*-- Forward declarations */
00075 static void aji_buddy_destroy(struct aji_buddy *obj);
00076 static void aji_client_destroy(struct aji_client *obj);
00077 static int aji_send_exec(struct ast_channel *chan, void *data);
00078 static int aji_status_exec(struct ast_channel *chan, void *data);
00079 static int aji_is_secure(struct aji_client *client);
00080 #ifdef HAVE_OPENSSL
00081 static int aji_start_tls(struct aji_client *client);
00082 static int aji_tls_handshake(struct aji_client *client);
00083 #endif
00084 static int aji_io_recv(struct aji_client *client, char *buffer, size_t buf_len, int timeout);
00085 static int aji_recv(struct aji_client *client, int timeout);
00086 static int aji_send_header(struct aji_client *client, const char *to);
00087 static int aji_send_raw(struct aji_client *client, const char *xmlstr);
00088 static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming);
00089 static int aji_start_sasl(struct aji_client *client, enum ikssasltype type, char *username, char *pass);
00090 static int aji_act_hook(void *data, int type, iks *node);
00091 static void aji_handle_iq(struct aji_client *client, iks *node);
00092 static void aji_handle_message(struct aji_client *client, ikspak *pak);
00093 static void aji_handle_presence(struct aji_client *client, ikspak *pak);
00094 static void aji_handle_subscribe(struct aji_client *client, ikspak *pak);
00095 static void *aji_recv_loop(void *data);
00096 static int aji_initialize(struct aji_client *client);
00097 static int aji_client_connect(void *data, ikspak *pak);
00098 static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc);
00099 static char *aji_do_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00100 static char *aji_do_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00101 static char *aji_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00102 static char *aji_show_clients(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00103 static char *aji_show_buddies(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00104 static char *aji_test(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
00105 static int aji_create_client(char *label, struct ast_variable *var, int debug);
00106 static int aji_create_buddy(char *label, struct aji_client *client);
00107 static int aji_reload(int reload);
00108 static int aji_load_config(int reload);
00109 static void aji_pruneregister(struct aji_client *client);
00110 static int aji_filter_roster(void *data, ikspak *pak);
00111 static int aji_get_roster(struct aji_client *client);
00112 static int aji_client_info_handler(void *data, ikspak *pak);
00113 static int aji_dinfo_handler(void *data, ikspak *pak);
00114 static int aji_ditems_handler(void *data, ikspak *pak);
00115 static int aji_register_query_handler(void *data, ikspak *pak);
00116 static int aji_register_approve_handler(void *data, ikspak *pak);
00117 static int aji_reconnect(struct aji_client *client);
00118 static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid);
00119 /* No transports in this version */
00120 /*
00121 static int aji_create_transport(char *label, struct aji_client *client);
00122 static int aji_register_transport(void *data, ikspak *pak);
00123 static int aji_register_transport2(void *data, ikspak *pak);
00124 */
00125 
00126 static struct ast_cli_entry cli_aji_do_debug_deprecated = AST_CLI_DEFINE(aji_do_debug_deprecated, "Enable/disable jabber debugging");
00127 static struct ast_cli_entry aji_cli[] = {
00128    AST_CLI_DEFINE(aji_do_set_debug, "Enable/Disable Jabber debug", .deprecate_cmd = &cli_aji_do_debug_deprecated),
00129    AST_CLI_DEFINE(aji_do_reload, "Reload Jabber configuration"),
00130    AST_CLI_DEFINE(aji_show_clients, "Show state of clients and components"),
00131    AST_CLI_DEFINE(aji_show_buddies, "Show buddy lists of our clients"),
00132    AST_CLI_DEFINE(aji_test, "Shows roster, but is generally used for mog's debugging."),
00133 };
00134 
00135 static char *app_ajisend = "JabberSend";
00136 
00137 static char *ajisend_synopsis = "JabberSend(jabber,screenname,message)";
00138 
00139 static char *ajisend_descrip =
00140 "JabberSend(Jabber,ScreenName,Message)\n"
00141 "  Jabber - Client or transport Asterisk uses to connect to Jabber\n" 
00142 "  ScreenName - XMPP/Jabber JID (Name) of recipient\n" 
00143 "  Message - Message to be sent to the budd (UTF8)y\n";
00144 
00145 static char *app_ajistatus = "JabberStatus";
00146 
00147 static char *ajistatus_synopsis = "JabberStatus(Jabber,ScreenName,Variable)";
00148 
00149 static char *ajistatus_descrip =
00150 "JabberStatus(Jabber,ScreenName,Variable)\n"
00151 "  Jabber - Client or transport Asterisk uses to connect to Jabber\n"
00152 "  ScreenName - User Name to retrieve status from.\n"
00153 "  Variable - Variable to store presence in will be 1-6.\n" 
00154 "             In order, 1=Online, 2=Chatty, 3=Away, 4=XAway, 5=DND, 6=Offline\n" 
00155 "             If not in roster variable will be set to 7\n\n"
00156 "Note: This application is deprecated. Please use the JABBER_STATUS() function instead.\n";
00157 
00158 struct aji_client_container clients;
00159 struct aji_capabilities *capabilities = NULL;
00160 
00161 /*! \brief Global flags, initialized to default values */
00162 static struct ast_flags globalflags = { AJI_AUTOREGISTER };
00163 
00164 /*!
00165  * \brief Deletes the aji_client data structure.
00166  * \param obj aji_client The structure we will delete.
00167  * \return void.
00168  */
00169 static void aji_client_destroy(struct aji_client *obj)
00170 {
00171    struct aji_message *tmp;
00172    ASTOBJ_CONTAINER_DESTROYALL(&obj->buddies, aji_buddy_destroy);
00173    ASTOBJ_CONTAINER_DESTROY(&obj->buddies);
00174    iks_filter_delete(obj->f);
00175    iks_parser_delete(obj->p);
00176    iks_stack_delete(obj->stack);
00177    AST_LIST_LOCK(&obj->messages);
00178    while ((tmp = AST_LIST_REMOVE_HEAD(&obj->messages, list))) {
00179       if (tmp->from)
00180          ast_free(tmp->from);
00181       if (tmp->message)
00182          ast_free(tmp->message);
00183    }
00184    AST_LIST_HEAD_DESTROY(&obj->messages);
00185    ast_free(obj);
00186 }
00187 
00188 /*!
00189  * \brief Deletes the aji_buddy data structure.
00190  * \param obj aji_buddy The structure we will delete.
00191  * \return void.
00192  */
00193 static void aji_buddy_destroy(struct aji_buddy *obj)
00194 {
00195    struct aji_resource *tmp;
00196 
00197    while ((tmp = obj->resources)) {
00198       obj->resources = obj->resources->next;
00199       ast_free(tmp->description);
00200       ast_free(tmp);
00201    }
00202 
00203    ast_free(obj);
00204 }
00205 
00206 /*!
00207  * \brief Find version in XML stream and populate our capabilities list
00208  * \param node the node attribute in the caps element we'll look for or add to 
00209  * our list
00210  * \param version the version attribute in the caps element we'll look for or 
00211  * add to our list
00212  * \param pak struct The XML stanza we're processing
00213  * \return a pointer to the added or found aji_version structure
00214  */ 
00215 static struct aji_version *aji_find_version(char *node, char *version, ikspak *pak)
00216 {
00217    struct aji_capabilities *list = NULL;
00218    struct aji_version *res = NULL;
00219 
00220    list = capabilities;
00221 
00222    if(!node)
00223       node = pak->from->full;
00224    if(!version)
00225       version = "none supplied.";
00226    while(list) {
00227       if(!strcasecmp(list->node, node)) {
00228          res = list->versions;
00229          while(res) {
00230              if(!strcasecmp(res->version, version))
00231                 return res;
00232              res = res->next;
00233          }
00234          /* Specified version not found. Let's add it to 
00235             this node in our capabilities list */
00236          if(!res) {
00237             res = ast_malloc(sizeof(*res));
00238             if(!res) {
00239                ast_log(LOG_ERROR, "Out of memory!\n");
00240                return NULL;
00241             }
00242             res->jingle = 0;
00243             res->parent = list;
00244             ast_copy_string(res->version, version, sizeof(res->version));
00245             res->next = list->versions;
00246             list->versions = res;
00247             return res;
00248          }
00249       }
00250       list = list->next;
00251    }
00252    /* Specified node not found. Let's add it our capabilities list */
00253    if(!list) {
00254       list = ast_malloc(sizeof(*list));
00255       if(!list) {
00256          ast_log(LOG_ERROR, "Out of memory!\n");
00257          return NULL;
00258       }
00259       res = ast_malloc(sizeof(*res));
00260       if(!res) {
00261          ast_log(LOG_ERROR, "Out of memory!\n");
00262          ast_free(list);
00263          return NULL;
00264       }
00265       ast_copy_string(list->node, node, sizeof(list->node));
00266       ast_copy_string(res->version, version, sizeof(res->version));
00267       res->jingle = 0;
00268       res->parent = list;
00269       res->next = NULL;
00270       list->versions = res;
00271       list->next = capabilities;
00272       capabilities = list;
00273    }
00274    return res;
00275 }
00276 /*!
00277  * \brief Find the aji_resource we want
00278  * \param buddy aji_buddy A buddy
00279  * \param name 
00280  * \return aji_resource object
00281 */
00282 static struct aji_resource *aji_find_resource(struct aji_buddy *buddy, char *name)
00283 {
00284    struct aji_resource *res = NULL;
00285    if (!buddy || !name)
00286       return res;
00287    res = buddy->resources;
00288    while (res) {
00289       if (!strcasecmp(res->resource, name)) {
00290          break;
00291       }
00292       res = res->next;
00293    }
00294    return res;
00295 }
00296 
00297 /*!
00298  * \brief Jabber GTalk function
00299  * \param node iks
00300  * \return 1 on success, 0 on failure.
00301 */
00302 static int gtalk_yuck(iks *node)
00303 {
00304    if (iks_find_with_attrib(node, "c", "node", "http://www.google.com/xmpp/client/caps"))
00305       return 1;
00306    return 0;
00307 }
00308 
00309 /*!
00310  * \brief Setup the authentication struct
00311  * \param id iksid 
00312  * \param pass password
00313  * \param sid
00314  * \return x iks
00315 */
00316 static iks *jabber_make_auth(iksid * id, const char *pass, const char *sid)
00317 {
00318    iks *x, *y;
00319    x = iks_new("iq");
00320    iks_insert_attrib(x, "type", "set");
00321    y = iks_insert(x, "query");
00322    iks_insert_attrib(y, "xmlns", IKS_NS_AUTH);
00323    iks_insert_cdata(iks_insert(y, "username"), id->user, 0);
00324    iks_insert_cdata(iks_insert(y, "resource"), id->resource, 0);
00325    if (sid) {
00326       char buf[41];
00327       char sidpass[100];
00328       snprintf(sidpass, sizeof(sidpass), "%s%s", sid, pass);
00329       ast_sha1_hash(buf, sidpass);
00330       iks_insert_cdata(iks_insert(y, "digest"), buf, 0);
00331    } else {
00332       iks_insert_cdata(iks_insert(y, "password"), pass, 0);
00333    }
00334    return x;
00335 }
00336 
00337 /*!
00338  * \brief Dial plan function status(). puts the status of watched user 
00339    into a channel variable.
00340  * \param chan ast_channel
00341  * \param data
00342  * \return 0 on success, -1 on error
00343  */
00344 static int aji_status_exec(struct ast_channel *chan, void *data)
00345 {
00346    struct aji_client *client = NULL;
00347    struct aji_buddy *buddy = NULL;
00348    struct aji_resource *r = NULL;
00349    char *s = NULL;
00350    int stat = 7;
00351    char status[2];
00352    static int deprecation_warning = 0;
00353    AST_DECLARE_APP_ARGS(args,
00354       AST_APP_ARG(sender);
00355       AST_APP_ARG(jid);
00356       AST_APP_ARG(variable);
00357    );
00358    AST_DECLARE_APP_ARGS(jid,
00359       AST_APP_ARG(screenname);
00360       AST_APP_ARG(resource);
00361    );
00362 
00363    if (deprecation_warning++ % 10 == 0)
00364       ast_log(LOG_WARNING, "JabberStatus is deprecated.  Please use the JABBER_STATUS dialplan function in the future.\n");
00365 
00366    if (!data) {
00367       ast_log(LOG_ERROR, "Usage: JabberStatus(<sender>,<screenname>[/<resource>],<varname>\n");
00368       return 0;
00369    }
00370    s = ast_strdupa(data);
00371    AST_STANDARD_APP_ARGS(args, s);
00372 
00373    if (args.argc != 3) {
00374       ast_log(LOG_ERROR, "JabberStatus() requires 3 arguments.\n");
00375       return -1;
00376    }
00377 
00378    AST_NONSTANDARD_APP_ARGS(jid, args.jid, '/');
00379 
00380    if (!(client = ast_aji_get_client(args.sender))) {
00381       ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
00382       return -1;
00383    }
00384    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, jid.screenname);
00385    if (!buddy) {
00386       ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
00387       return -1;
00388    }
00389    r = aji_find_resource(buddy, jid.resource);
00390    if (!r && buddy->resources) 
00391       r = buddy->resources;
00392    if (!r)
00393       ast_log(LOG_NOTICE, "Resource '%s' of buddy '%s' was not found\n", jid.resource, jid.screenname);
00394    else
00395       stat = r->status;
00396    snprintf(status, sizeof(status), "%d", stat);
00397    pbx_builtin_setvar_helper(chan, args.variable, status);
00398    return 0;
00399 }
00400 
00401 static int acf_jabberstatus_read(struct ast_channel *chan, const char *name, char *data, char *buf, size_t buflen)
00402 {
00403    struct aji_client *client = NULL;
00404    struct aji_buddy *buddy = NULL;
00405    struct aji_resource *r = NULL;
00406    int stat = 7;
00407    AST_DECLARE_APP_ARGS(args,
00408       AST_APP_ARG(sender);
00409       AST_APP_ARG(jid);
00410    );
00411    AST_DECLARE_APP_ARGS(jid,
00412       AST_APP_ARG(screenname);
00413       AST_APP_ARG(resource);
00414    );
00415 
00416    if (!data) {
00417       ast_log(LOG_ERROR, "Usage: JABBER_STATUS(<sender>,<jid>[/<resource>])\n");
00418       return 0;
00419    }
00420    AST_STANDARD_APP_ARGS(args, data);
00421 
00422    if (args.argc != 2) {
00423       ast_log(LOG_ERROR, "JABBER_STATUS requires 2 arguments: sender and jid.\n");
00424       return -1;
00425    }
00426 
00427    AST_NONSTANDARD_APP_ARGS(jid, args.jid, '/');
00428 
00429    if (!(client = ast_aji_get_client(args.sender))) {
00430       ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
00431       return -1;
00432    }
00433    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, jid.screenname);
00434    if (!buddy) {
00435       ast_log(LOG_WARNING, "Could not find buddy in list: '%s'\n", jid.screenname);
00436       return -1;
00437    }
00438    r = aji_find_resource(buddy, jid.resource);
00439    if (!r && buddy->resources) 
00440       r = buddy->resources;
00441    if (!r)
00442       ast_log(LOG_NOTICE, "Resource %s of buddy %s was not found.\n", jid.resource, jid.screenname);
00443    else
00444       stat = r->status;
00445    snprintf(buf, buflen, "%d", stat);
00446    return 0;
00447 }
00448 
00449 static struct ast_custom_function jabberstatus_function = {
00450    .name = "JABBER_STATUS",
00451    .synopsis = "Retrieve buddy status",
00452    .syntax = "JABBER_STATUS(<sender>,<buddy>[/<resource>])",
00453    .read = acf_jabberstatus_read,
00454    .desc =
00455 "Retrieves the numeric status associated with the specified buddy (jid). If the\n"
00456 "buddy does not exist in the buddylist, returns 7.\n"
00457 "Status will be 1-7.\n" 
00458 "             1=Online, 2=Chatty, 3=Away, 4=XAway, 5=DND, 6=Offline\n" 
00459 "             If not in roster variable will be set to 7\n\n",
00460 };
00461 
00462 /*!
00463  * \brief Dial plan function to send a message.
00464  * \param chan ast_channel
00465  * \param data  Data is sender|reciever|message.
00466  * \return 0 on success,-1 on error.
00467  */
00468 static int aji_send_exec(struct ast_channel *chan, void *data)
00469 {
00470    struct aji_client *client = NULL;
00471    char *s;
00472    AST_DECLARE_APP_ARGS(args,
00473       AST_APP_ARG(sender);
00474       AST_APP_ARG(recipient);
00475       AST_APP_ARG(message);
00476    );
00477 
00478    if (!data) {
00479       ast_log(LOG_ERROR, "Usage:  JabberSend(<sender>,<recipient>,<message>)\n");
00480       return 0;
00481    }
00482    s = ast_strdupa(data);
00483 
00484    AST_STANDARD_APP_ARGS(args, s);
00485    if (args.argc < 3) {
00486       ast_log(LOG_ERROR, "JabberSend requires 3 arguments: '%s'\n", (char *) data);
00487       return -1;
00488    }
00489 
00490    if (!(client = ast_aji_get_client(args.sender))) {
00491       ast_log(LOG_WARNING, "Could not find sender connection: '%s'\n", args.sender);
00492       return -1;
00493    }
00494    if (strchr(args.recipient, '@') && !ast_strlen_zero(args.message))
00495       ast_aji_send_chat(client, args.recipient, args.message);
00496    return 0;
00497 }
00498 
00499 /*! 
00500  * \brief Tests whether the connection is secured or not
00501  * \return 0 if the connection is not secured
00502  */
00503 static int aji_is_secure(struct aji_client *client)
00504 {
00505 #ifdef HAVE_OPENSSL
00506    return client->stream_flags & SECURE;
00507 #else
00508    return 0;
00509 #endif
00510 }
00511 
00512 #ifdef HAVE_OPENSSL
00513 /*!
00514  * \brief Starts the TLS procedure
00515  * \param client the configured XMPP client we use to connect to a XMPP server
00516  * \return IKS_OK on success, an error code if sending failed, IKS_NET_TLSFAIL
00517  * if OpenSSL is not installed
00518  */
00519 static int aji_start_tls(struct aji_client *client)
00520 {
00521    int ret;
00522 
00523    /* This is sent not encrypted */
00524    ret = iks_send_raw(client->p, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
00525    if (ret)
00526       return ret;
00527 
00528    client->stream_flags |= TRY_SECURE;
00529    return IKS_OK;
00530 }
00531 
00532 /*! 
00533  * \brief TLS handshake, OpenSSL initialization
00534  * \param client the configured XMPP client we use to connect to a XMPP server
00535  * \return IKS_OK on success, IKS_NET_TLSFAIL on failure 
00536  */
00537 static int aji_tls_handshake(struct aji_client *client)
00538 {
00539    int ret;
00540    int sock;
00541    
00542    ast_debug(1, "Starting TLS handshake\n"); 
00543 
00544    /* Load encryption, hashing algorithms and error strings */
00545    SSL_library_init();
00546    SSL_load_error_strings();
00547 
00548    /* Choose an SSL/TLS protocol version, create SSL_CTX */
00549    client->ssl_method = SSLv3_method();
00550    client->ssl_context = SSL_CTX_new(client->ssl_method);                
00551    if (!client->ssl_context)
00552       return IKS_NET_TLSFAIL;
00553 
00554    /* Create new SSL session */
00555    client->ssl_session = SSL_new(client->ssl_context);
00556    if (!client->ssl_session)
00557       return IKS_NET_TLSFAIL;
00558 
00559    /* Enforce TLS on our XMPP connection */
00560    sock = iks_fd(client->p);
00561    ret = SSL_set_fd(client->ssl_session, sock);
00562    if (!ret)
00563       return IKS_NET_TLSFAIL;
00564 
00565    /* Perform SSL handshake */
00566    ret = SSL_connect(client->ssl_session);
00567    if (!ret)
00568       return IKS_NET_TLSFAIL;
00569 
00570    client->stream_flags &= (~TRY_SECURE);
00571    client->stream_flags |= SECURE;
00572 
00573    /* Sent over the established TLS connection */
00574    ret = aji_send_header(client, client->jid->server);
00575    if (ret != IKS_OK)
00576       return IKS_NET_TLSFAIL;
00577 
00578    ast_debug(1, "TLS started with server\n"); 
00579 
00580    return IKS_OK;
00581 }
00582 #endif /* HAVE_OPENSSL */
00583 
00584 /*! 
00585  * \brief Secured or unsecured IO socket receiving function
00586  * \param client the configured XMPP client we use to connect to a XMPP server
00587  * \param buffer the reception buffer
00588  * \param buf_len the size of the buffer
00589  * \param timeout the select timer
00590  * \return the number of read bytes on success, 0 on timeout expiration, 
00591  * -1 on  error
00592  */
00593 static int aji_io_recv(struct aji_client *client, char *buffer, size_t buf_len, int timeout)
00594 {
00595    int sock;
00596    fd_set fds;
00597    struct timeval tv, *tvptr = NULL;
00598    int len, res;
00599 
00600 #ifdef HAVE_OPENSSL
00601    if (aji_is_secure(client)) {
00602       sock = SSL_get_fd(client->ssl_session);
00603       if (sock < 0)
00604          return -1;     
00605    } else
00606 #endif /* HAVE_OPENSSL */
00607       sock = iks_fd(client->p);  
00608 
00609    memset(&tv, 0, sizeof(struct timeval));
00610    FD_ZERO(&fds);
00611    FD_SET(sock, &fds);
00612    tv.tv_sec = timeout;
00613 
00614    /* NULL value for tvptr makes ast_select wait indefinitely */
00615    tvptr = (timeout != -1) ? &tv : NULL;
00616 
00617    /* ast_select emulates linux behaviour in terms of timeout handling */
00618    res = ast_select(sock + 1, &fds, NULL, NULL, tvptr);
00619    if (res > 0) {
00620 #ifdef HAVE_OPENSSL
00621       if (aji_is_secure(client)) {
00622          len = SSL_read(client->ssl_session, buffer, buf_len);
00623       } else
00624 #endif /* HAVE_OPENSSL */
00625          len = recv(sock, buffer, buf_len, 0);
00626 
00627       if (len > 0) {
00628          return len;
00629       } else if (len <= 0) {
00630          return -1;
00631       }
00632    }
00633    return res;
00634 }
00635 
00636 /*! 
00637  * \brief Tries to receive data from the Jabber server
00638  * \param client the configured XMPP client we use to connect to a XMPP server
00639  * \param timeout the timeout value
00640  * This function receives (encrypted or unencrypted) data from the XMPP server,
00641  * and passes it to the parser.
00642  * \return IKS_OK on success, IKS_NET_RWERR on IO error, IKS_NET_NOCONN, if no
00643  * connection available, IKS_NET_EXPIRED on timeout expiration
00644  */
00645 static int aji_recv (struct aji_client *client, int timeout)
00646 {
00647    int len, ret;
00648    char buf[NET_IO_BUF_SIZE - 1];
00649    char newbuf[NET_IO_BUF_SIZE - 1];
00650    int pos = 0;
00651    int newbufpos = 0;
00652    unsigned char c;
00653 
00654    memset(buf, 0, sizeof(buf));
00655    memset(newbuf, 0, sizeof(newbuf));
00656 
00657    while (1) {
00658       len = aji_io_recv(client, buf, NET_IO_BUF_SIZE - 2, timeout);
00659       if (len < 0) return IKS_NET_RWERR;
00660       if (len == 0) return IKS_NET_EXPIRED;
00661       buf[len] = '\0';
00662 
00663       /* our iksemel parser won't work as expected if we feed
00664          it with XML packets that contain multiple whitespace 
00665          characters between tags */
00666       while (pos < len) {
00667          c = buf[pos];
00668          /* if we stumble on the ending tag character,
00669             we skip any whitespace that follows it*/
00670          if (c == '>') {
00671             while (isspace(buf[pos+1])) {
00672                pos++;
00673             }
00674          }
00675          newbuf[newbufpos] = c;
00676          newbufpos ++;
00677          pos++;
00678       }
00679       pos = 0;
00680       newbufpos = 0;
00681 
00682       /* Log the message here, because iksemel's logHook is 
00683          unaccessible */
00684       aji_log_hook(client, buf, len, 1);
00685 
00686       /* let iksemel deal with the string length, 
00687          and reset our buffer */
00688       ret = iks_parse(client->p, newbuf, 0, 0);
00689       memset(newbuf, 0, sizeof(newbuf));
00690 
00691       switch (ret) {
00692       case IKS_NOMEM:
00693          ast_log(LOG_WARNING, "Parsing failure: Out of memory.\n");
00694          break;
00695       case IKS_BADXML:
00696          ast_log(LOG_WARNING, "Parsing failure: Invalid XML.\n");
00697          break;
00698       case IKS_HOOK:
00699          ast_log(LOG_WARNING, "Parsing failure: Hook returned an error.\n");
00700          break;
00701       }
00702       if (ret != IKS_OK) {
00703          return ret;
00704       }
00705       ast_debug(3, "XML parsing successful\n"); 
00706    }
00707    return IKS_OK;
00708 }
00709 
00710 /*! 
00711  * \brief Sends XMPP header to the server
00712  * \param client the configured XMPP client we use to connect to a XMPP server
00713  * \param to the target XMPP server
00714  * \return IKS_OK on success, any other value on failure
00715  */
00716 static int aji_send_header(struct aji_client *client, const char *to)
00717 {
00718    char *msg;
00719    int len, err;
00720 
00721    len = 91 + strlen(client->name_space) + 6 + strlen(to) + 16 + 1;
00722    msg = iks_malloc(len);
00723    if (!msg)
00724       return IKS_NOMEM;
00725    sprintf(msg, "<?xml version='1.0'?>"
00726       "<stream:stream xmlns:stream='http://etherx.jabber.org/streams' xmlns='"
00727       "%s' to='%s' version='1.0'>", client->name_space, to);
00728    err = aji_send_raw(client, msg);
00729    iks_free(msg);
00730    if (err != IKS_OK)
00731       return err;
00732 
00733    return IKS_OK;
00734 }
00735 
00736 /*! 
00737  * \brief Wraps raw sending
00738  * \param client the configured XMPP client we use to connect to a XMPP server
00739  * \param x the XMPP packet to send
00740  * \return IKS_OK on success, any other value on failure
00741  */
00742 int ast_aji_send(struct aji_client *client, iks *x)
00743 {
00744    return aji_send_raw(client, iks_string(iks_stack(x), x));
00745 }
00746 
00747 /*! 
00748  * \brief Sends an XML string over an XMPP connection
00749  * \param client the configured XMPP client we use to connect to a XMPP server
00750  * \param xmlstr the XML string to send
00751  * The XML data is sent whether the connection is secured or not. In the 
00752  * latter case, we just call iks_send_raw().
00753  * \return IKS_OK on success, any other value on failure
00754  */
00755 static int aji_send_raw(struct aji_client *client, const char *xmlstr)
00756 {
00757    int ret;
00758 #ifdef HAVE_OPENSSL
00759    int len = strlen(xmlstr);
00760 
00761    if (aji_is_secure(client)) {
00762       ret = SSL_write(client->ssl_session, xmlstr, len);
00763       if (ret) {
00764          /* Log the message here, because iksemel's logHook is 
00765             unaccessible */
00766          aji_log_hook(client, xmlstr, len, 0);
00767          return IKS_OK;
00768       }
00769    }
00770 #endif
00771    /* If needed, data will be sent unencrypted, and logHook will 
00772       be called inside iks_send_raw */
00773    ret = iks_send_raw(client->p, xmlstr);
00774    if (ret != IKS_OK)
00775       return ret; 
00776 
00777    return IKS_OK;
00778 }
00779 
00780 /*!
00781  * \brief the debug loop.
00782  * \param data void
00783  * \param xmpp xml data as string
00784  * \param size size of string
00785  * \param is_incoming direction of packet 1 for inbound 0 for outbound.
00786  */
00787 static void aji_log_hook(void *data, const char *xmpp, size_t size, int is_incoming)
00788 {
00789    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
00790 
00791    if (!ast_strlen_zero(xmpp))
00792       manager_event(EVENT_FLAG_USER, "JabberEvent", "Account: %s\r\nPacket: %s\r\n", client->name, xmpp);
00793 
00794    if (client->debug) {
00795       if (is_incoming)
00796          ast_verbose("\nJABBER: %s INCOMING: %s\n", client->name, xmpp);
00797       else {
00798          if( strlen(xmpp) == 1) {
00799             if(option_debug > 2  && xmpp[0] == ' ') {
00800                ast_verbose("\nJABBER: Keep alive packet\n");
00801             }
00802          } else
00803             ast_verbose("\nJABBER: %s OUTGOING: %s\n", client->name, xmpp);
00804       }
00805 
00806    }
00807    ASTOBJ_UNREF(client, aji_client_destroy);
00808 }
00809 
00810 /*!
00811  * \brief A wrapper function for iks_start_sasl
00812  * \param client the configured XMPP client we use to connect to a XMPP server
00813  * \param type the SASL authentication type. Supported types are PLAIN and MD5
00814  * \param username
00815  * \param pass password.
00816  *
00817  * \return IKS_OK on success, IKSNET_NOTSUPP on failure.
00818  */
00819 static int aji_start_sasl(struct aji_client *client, enum ikssasltype type, char *username, char *pass)
00820 {
00821    iks *x = NULL;
00822    int len;
00823    char *s;
00824    char *base64;
00825 
00826    /* trigger SASL DIGEST-MD5 only over an unsecured connection.
00827       iks_start_sasl is an iksemel API function and relies on GnuTLS,
00828       whereas we use OpenSSL */
00829    if ((type & IKS_STREAM_SASL_MD5) && !aji_is_secure(client))
00830       return iks_start_sasl(client->p, IKS_SASL_DIGEST_MD5, username, pass); 
00831    if (!(type & IKS_STREAM_SASL_PLAIN)) {
00832       ast_log(LOG_ERROR, "Server does not support SASL PLAIN authentication\n");
00833       return IKS_NET_NOTSUPP;
00834    }
00835 
00836    x = iks_new("auth"); 
00837    if (!x) {
00838       ast_log(LOG_ERROR, "Out of memory.\n");
00839       return IKS_NET_NOTSUPP;
00840    }
00841 
00842    iks_insert_attrib(x, "xmlns", IKS_NS_XMPP_SASL);
00843    len = strlen(username) + strlen(pass) + 3;
00844    s = alloca(len);
00845    base64 = alloca((len + 2) * 4 / 3);
00846    iks_insert_attrib(x, "mechanism", "PLAIN");
00847    snprintf(s, len, "%c%s%c%s", 0, username, 0, pass);
00848 
00849    /* exclude the NULL training byte from the base64 encoding operation
00850       as some XMPP servers will refuse it.
00851       The format for authentication is [authzid]\0authcid\0password
00852       not [authzid]\0authcid\0password\0 */
00853    ast_base64encode(base64, (const unsigned char *) s, len - 1, (len + 2) * 4 / 3);
00854    iks_insert_cdata(x, base64, 0);
00855    ast_aji_send(client, x);
00856    iks_delete(x);
00857 
00858    return IKS_OK;
00859 }
00860 
00861 /*!
00862  * \brief The action hook parses the inbound packets, constantly running.
00863  * \param data aji client structure 
00864  * \param type type of packet 
00865  * \param node the actual packet.
00866  * \return IKS_OK or IKS_HOOK .
00867  */
00868 static int aji_act_hook(void *data, int type, iks *node)
00869 {
00870    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
00871    ikspak *pak = NULL;
00872    iks *auth = NULL;
00873    int features = 0;
00874 
00875    if(!node) {
00876       ast_log(LOG_ERROR, "aji_act_hook was called with out a packet\n"); /* most likely cause type is IKS_NODE_ERROR lost connection */
00877       ASTOBJ_UNREF(client, aji_client_destroy);
00878       return IKS_HOOK;
00879    }
00880 
00881    if (client->state == AJI_DISCONNECTING) {
00882       ASTOBJ_UNREF(client, aji_client_destroy);
00883       return IKS_HOOK;
00884    }
00885 
00886    pak = iks_packet(node);
00887 
00888    if (!client->component) { /*client */
00889       switch (type) {
00890       case IKS_NODE_START:
00891          if (client->usetls && !aji_is_secure(client)) {
00892 #ifndef HAVE_OPENSSL
00893             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");
00894             ASTOBJ_UNREF(client, aji_client_destroy);
00895             return IKS_HOOK;
00896 #else
00897             if (aji_start_tls(client) == IKS_NET_TLSFAIL) {
00898                ast_log(LOG_ERROR, "Could not start TLS\n");
00899                ASTOBJ_UNREF(client, aji_client_destroy);
00900                return IKS_HOOK;     
00901             }
00902 #endif
00903             break;
00904          }
00905          if (!client->usesasl) {
00906             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);
00907             auth = jabber_make_auth(client->jid, client->password, iks_find_attrib(node, "id"));
00908             if (auth) {
00909                iks_insert_attrib(auth, "id", client->mid);
00910                iks_insert_attrib(auth, "to", client->jid->server);
00911                ast_aji_increment_mid(client->mid);
00912                ast_aji_send(client, auth);
00913                iks_delete(auth);
00914             } else
00915                ast_log(LOG_ERROR, "Out of memory.\n");
00916          }
00917          break;
00918 
00919       case IKS_NODE_NORMAL:
00920 #ifdef HAVE_OPENSSL
00921          if (client->stream_flags & TRY_SECURE) {
00922             if (!strcmp("proceed", iks_name(node))) {
00923                return aji_tls_handshake(client);
00924             }
00925          }
00926 #endif
00927          if (!strcmp("stream:features", iks_name(node))) {
00928             features = iks_stream_features(node);
00929             if (client->usesasl) {
00930                if (client->usetls && !aji_is_secure(client))
00931                   break;
00932                if (client->authorized) {
00933                   if (features & IKS_STREAM_BIND) {
00934                      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);
00935                      auth = iks_make_resource_bind(client->jid);
00936                      if (auth) {
00937                         iks_insert_attrib(auth, "id", client->mid);
00938                         ast_aji_increment_mid(client->mid);
00939                         ast_aji_send(client, auth);
00940                         iks_delete(auth);
00941                      } else {
00942                         ast_log(LOG_ERROR, "Out of memory.\n");
00943                         break;
00944                      }
00945                   }
00946                   if (features & IKS_STREAM_SESSION) {
00947                      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);
00948                      auth = iks_make_session();
00949                      if (auth) {
00950                         iks_insert_attrib(auth, "id", "auth");
00951                         ast_aji_increment_mid(client->mid);
00952                         ast_aji_send(client, auth);
00953                         iks_delete(auth);
00954                      } else {
00955                         ast_log(LOG_ERROR, "Out of memory.\n");
00956                      }
00957                   }
00958                } else {
00959                   int ret;
00960                   if (!client->jid->user) {
00961                      ast_log(LOG_ERROR, "Malformed Jabber ID : %s (domain missing?)\n", client->jid->full);
00962                      break;
00963                   }
00964 
00965                   ret = aji_start_sasl(client, features, client->jid->user, client->password);
00966                   if (ret != IKS_OK) {
00967                      ASTOBJ_UNREF(client, aji_client_destroy);
00968                      return IKS_HOOK;
00969                   }
00970                   break;
00971                }
00972             }
00973          } else if (!strcmp("failure", iks_name(node))) {
00974             ast_log(LOG_ERROR, "JABBER: encryption failure. possible bad password.\n");
00975          } else if (!strcmp("success", iks_name(node))) {
00976             client->authorized = 1;
00977             aji_send_header(client, client->jid->server);
00978          }
00979          break;
00980       case IKS_NODE_ERROR: 
00981             ast_log(LOG_ERROR, "JABBER: Node Error\n");
00982             ASTOBJ_UNREF(client, aji_client_destroy);
00983             return IKS_HOOK;
00984             break;
00985       case IKS_NODE_STOP: 
00986             ast_log(LOG_WARNING, "JABBER: Disconnected\n");
00987             ASTOBJ_UNREF(client, aji_client_destroy);
00988             return IKS_HOOK;
00989             break;
00990       }
00991    } else if (client->state != AJI_CONNECTED && client->component) {
00992       switch (type) {
00993       case IKS_NODE_START:
00994          if (client->state == AJI_DISCONNECTED) {
00995             char secret[160], shasum[320], *handshake;
00996 
00997             sprintf(secret, "%s%s", pak->id, client->password);
00998             ast_sha1_hash(shasum, secret);
00999             handshake = NULL;
01000             if (asprintf(&handshake, "<handshake>%s</handshake>", shasum) >= 0) {
01001                aji_send_raw(client, handshake);
01002                ast_free(handshake);
01003                handshake = NULL;
01004             }
01005             client->state = AJI_CONNECTING;
01006             if(aji_recv(client, 1) == 2) /*XXX proper result for iksemel library on iks_recv of <handshake/> XXX*/
01007                client->state = AJI_CONNECTED;
01008             else
01009                ast_log(LOG_WARNING, "Jabber didn't seem to handshake, failed to authenticate.\n");
01010             break;
01011          }
01012          break;
01013 
01014       case IKS_NODE_NORMAL:
01015          break;
01016 
01017       case IKS_NODE_ERROR:
01018          ast_log(LOG_ERROR, "JABBER: Node Error\n");
01019          ASTOBJ_UNREF(client, aji_client_destroy);
01020          return IKS_HOOK;
01021 
01022       case IKS_NODE_STOP:
01023          ast_log(LOG_WARNING, "JABBER: Disconnected\n");
01024          ASTOBJ_UNREF(client, aji_client_destroy);
01025          return IKS_HOOK;
01026       }
01027    }
01028 
01029    switch (pak->type) {
01030    case IKS_PAK_NONE:
01031       ast_debug(1, "JABBER: I don't know what to do with paktype NONE.\n");
01032       break;
01033    case IKS_PAK_MESSAGE:
01034       aji_handle_message(client, pak);
01035       ast_debug(1, "JABBER: Handling paktype MESSAGE.\n");
01036       break;
01037    case IKS_PAK_PRESENCE:
01038       aji_handle_presence(client, pak);
01039       ast_debug(1, "JABBER: Handling paktype PRESENCE\n");
01040       break;
01041    case IKS_PAK_S10N:
01042       aji_handle_subscribe(client, pak);
01043       ast_debug(1, "JABBER: Handling paktype S10N\n");
01044       break;
01045    case IKS_PAK_IQ:
01046       ast_debug(1, "JABBER: Handling paktype IQ\n");
01047       aji_handle_iq(client, node);
01048       break;
01049    default:
01050       ast_debug(1, "JABBER: I don't know anything about paktype '%d'\n", pak->type);
01051       break;
01052    }
01053    
01054    iks_filter_packet(client->f, pak);
01055 
01056    if (node)
01057       iks_delete(node);
01058 
01059    ASTOBJ_UNREF(client, aji_client_destroy);
01060    return IKS_OK;
01061 }
01062 /*!
01063  * \brief Unknown
01064  * \param data void
01065  * \param pak ikspak
01066  * \return IKS_FILTER_EAT.
01067 */
01068 static int aji_register_approve_handler(void *data, ikspak *pak)
01069 {
01070    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01071    iks *iq = NULL, *presence = NULL, *x = NULL;
01072 
01073    iq = iks_new("iq");
01074    presence = iks_new("presence");
01075    x = iks_new("x");
01076    if (client && iq && presence && x) {
01077       if (!iks_find(pak->query, "remove")) {
01078          iks_insert_attrib(iq, "from", client->jid->full);
01079          iks_insert_attrib(iq, "to", pak->from->full);
01080          iks_insert_attrib(iq, "id", pak->id);
01081          iks_insert_attrib(iq, "type", "result");
01082          ast_aji_send(client, iq);
01083 
01084          iks_insert_attrib(presence, "from", client->jid->full);
01085          iks_insert_attrib(presence, "to", pak->from->partial);
01086          iks_insert_attrib(presence, "id", client->mid);
01087          ast_aji_increment_mid(client->mid);
01088          iks_insert_attrib(presence, "type", "subscribe");
01089          iks_insert_attrib(x, "xmlns", "vcard-temp:x:update");
01090          iks_insert_node(presence, x);
01091          ast_aji_send(client, presence); 
01092       }
01093    } else {
01094       ast_log(LOG_ERROR, "Out of memory.\n");
01095    }
01096 
01097 
01098    iks_delete(iq);
01099    iks_delete(presence);
01100    iks_delete(x);
01101    
01102    ASTOBJ_UNREF(client, aji_client_destroy);
01103    return IKS_FILTER_EAT;
01104 }
01105 /*!
01106  * \brief register handler for incoming querys (IQ's)
01107  * \param data incoming aji_client request
01108  * \param pak ikspak
01109  * \return IKS_FILTER_EAT.
01110 */
01111 static int aji_register_query_handler(void *data, ikspak *pak)
01112 {
01113    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01114    struct aji_buddy *buddy = NULL; 
01115    char *node = NULL;
01116    iks *iq = NULL, *query = NULL;
01117 
01118    client = (struct aji_client *) data;
01119 
01120    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
01121    if (!buddy) {
01122       iks  *error = NULL, *notacceptable = NULL;
01123 
01124       ast_log(LOG_ERROR, "Someone.... %s tried to register but they aren't allowed\n", pak->from->partial);
01125       iq = iks_new("iq");
01126       query = iks_new("query");
01127       error = iks_new("error");
01128       notacceptable = iks_new("not-acceptable");
01129       if(iq && query && error && notacceptable) {
01130          iks_insert_attrib(iq, "type", "error");
01131          iks_insert_attrib(iq, "from", client->user);
01132          iks_insert_attrib(iq, "to", pak->from->full);
01133          iks_insert_attrib(iq, "id", pak->id);
01134          iks_insert_attrib(query, "xmlns", "jabber:iq:register");
01135          iks_insert_attrib(error, "code" , "406");
01136          iks_insert_attrib(error, "type", "modify");
01137          iks_insert_attrib(notacceptable, "xmlns", "urn:ietf:params:xml:ns:xmpp-stanzas");
01138          iks_insert_node(iq, query);
01139          iks_insert_node(iq, error);
01140          iks_insert_node(error, notacceptable);
01141          ast_aji_send(client, iq);
01142       } else {
01143          ast_log(LOG_ERROR, "Out of memory.\n");
01144       }
01145 
01146       iks_delete(error);
01147       iks_delete(notacceptable);
01148    } else   if (!(node = iks_find_attrib(pak->query, "node"))) {
01149       iks *instructions = NULL;
01150       char *explain = "Welcome to Asterisk - the Open Source PBX.\n";
01151       iq = iks_new("iq");
01152       query = iks_new("query");
01153       instructions = iks_new("instructions");
01154       if (iq && query && instructions && client) {
01155          iks_insert_attrib(iq, "from", client->user);
01156          iks_insert_attrib(iq, "to", pak->from->full);
01157          iks_insert_attrib(iq, "id", pak->id);
01158          iks_insert_attrib(iq, "type", "result");
01159          iks_insert_attrib(query, "xmlns", "jabber:iq:register");
01160          iks_insert_cdata(instructions, explain, 0);
01161          iks_insert_node(iq, query);
01162          iks_insert_node(query, instructions);
01163          ast_aji_send(client, iq);
01164       } else {
01165          ast_log(LOG_ERROR, "Out of memory.\n");
01166       }
01167 
01168       iks_delete(instructions);
01169    }
01170    iks_delete(iq);
01171    iks_delete(query);
01172    ASTOBJ_UNREF(client, aji_client_destroy);
01173    return IKS_FILTER_EAT;
01174 }
01175 
01176 /*!
01177  * \brief Handles stuff
01178  * \param data void
01179  * \param pak ikspak 
01180  * \return IKS_FILTER_EAT.
01181 */
01182 static int aji_ditems_handler(void *data, ikspak *pak)
01183 {
01184    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01185    char *node = NULL;
01186 
01187    if (!(node = iks_find_attrib(pak->query, "node"))) {
01188       iks *iq = NULL, *query = NULL, *item = NULL;
01189       iq = iks_new("iq");
01190       query = iks_new("query");
01191       item = iks_new("item");
01192 
01193       if (iq && query && item) {
01194          iks_insert_attrib(iq, "from", client->user);
01195          iks_insert_attrib(iq, "to", pak->from->full);
01196          iks_insert_attrib(iq, "id", pak->id);
01197          iks_insert_attrib(iq, "type", "result");
01198          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
01199          iks_insert_attrib(item, "node", "http://jabber.org/protocol/commands");
01200          iks_insert_attrib(item, "name", "Million Dollar Asterisk Commands");
01201          iks_insert_attrib(item, "jid", client->user);
01202 
01203          iks_insert_node(iq, query);
01204          iks_insert_node(query, item);
01205          ast_aji_send(client, iq);
01206       } else {
01207          ast_log(LOG_ERROR, "Out of memory.\n");
01208       }
01209 
01210       iks_delete(iq);
01211       iks_delete(query);
01212       iks_delete(item);
01213 
01214    } else if (!strcasecmp(node, "http://jabber.org/protocol/commands")) {
01215       iks *iq, *query, *confirm;
01216       iq = iks_new("iq");
01217       query = iks_new("query");
01218       confirm = iks_new("item");
01219       if (iq && query && confirm && client) {
01220          iks_insert_attrib(iq, "from", client->user);
01221          iks_insert_attrib(iq, "to", pak->from->full);
01222          iks_insert_attrib(iq, "id", pak->id);
01223          iks_insert_attrib(iq, "type", "result");
01224          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
01225          iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands");
01226          iks_insert_attrib(confirm, "node", "confirmaccount");
01227          iks_insert_attrib(confirm, "name", "Confirm AIM account");
01228          iks_insert_attrib(confirm, "jid", "blog.astjab.org");
01229 
01230          iks_insert_node(iq, query);
01231          iks_insert_node(query, confirm);
01232          ast_aji_send(client, iq);
01233       } else {
01234          ast_log(LOG_ERROR, "Out of memory.\n");
01235       }
01236 
01237       iks_delete(iq);
01238       iks_delete(query);
01239       iks_delete(confirm);
01240 
01241    } else if (!strcasecmp(node, "confirmaccount")) {
01242       iks *iq = NULL, *query = NULL, *feature = NULL;
01243 
01244       iq = iks_new("iq");
01245       query = iks_new("query");
01246       feature = iks_new("feature");
01247 
01248       if (iq && query && feature && client) {
01249          iks_insert_attrib(iq, "from", client->user);
01250          iks_insert_attrib(iq, "to", pak->from->full);
01251          iks_insert_attrib(iq, "id", pak->id);
01252          iks_insert_attrib(iq, "type", "result");
01253          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
01254          iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands");
01255          iks_insert_node(iq, query);
01256          iks_insert_node(query, feature);
01257          ast_aji_send(client, iq);
01258       } else {
01259          ast_log(LOG_ERROR, "Out of memory.\n");
01260       }
01261 
01262       iks_delete(iq);
01263       iks_delete(query);
01264       iks_delete(feature);
01265    }
01266 
01267    ASTOBJ_UNREF(client, aji_client_destroy);
01268    return IKS_FILTER_EAT;
01269 
01270 }
01271 /*!
01272  * \brief Handle add extra info
01273  * \param data void
01274  * \param pak ikspak
01275  * \return IKS_FILTER_EAT
01276 */
01277 static int aji_client_info_handler(void *data, ikspak *pak)
01278 {
01279    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01280    struct aji_resource *resource = NULL;
01281    struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
01282 
01283    resource = aji_find_resource(buddy, pak->from->resource);
01284    if (pak->subtype == IKS_TYPE_RESULT) {
01285       if (!resource) {
01286          ast_log(LOG_NOTICE, "JABBER: Received client info from %s when not requested.\n", pak->from->full);
01287          ASTOBJ_UNREF(client, aji_client_destroy);
01288          return IKS_FILTER_EAT;
01289       }
01290       if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) {
01291          resource->cap->jingle = 1;
01292       } else
01293          resource->cap->jingle = 0;
01294    } else if (pak->subtype == IKS_TYPE_GET) {
01295       iks *iq, *disco, *ident, *google, *query;
01296       iq = iks_new("iq");
01297       query = iks_new("query");
01298       ident = iks_new("identity");
01299       disco = iks_new("feature");
01300       google = iks_new("feature");
01301       if (iq && ident && disco && google) {
01302          iks_insert_attrib(iq, "from", client->jid->full);
01303          iks_insert_attrib(iq, "to", pak->from->full);
01304          iks_insert_attrib(iq, "type", "result");
01305          iks_insert_attrib(iq, "id", pak->id);
01306          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
01307          iks_insert_attrib(ident, "category", "client");
01308          iks_insert_attrib(ident, "type", "pc");
01309          iks_insert_attrib(ident, "name", "asterisk");
01310          iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco#info");
01311          iks_insert_attrib(google, "var", "http://www.google.com/xmpp/protocol/voice/v1");
01312          iks_insert_node(iq, query);
01313          iks_insert_node(query, ident);
01314          iks_insert_node(query, google);
01315          iks_insert_node(query, disco);
01316          ast_aji_send(client, iq);
01317       } else
01318          ast_log(LOG_ERROR, "Out of Memory.\n");
01319 
01320       iks_delete(iq);
01321       iks_delete(query);
01322       iks_delete(ident);
01323       iks_delete(google);
01324       iks_delete(disco);
01325    } else if (pak->subtype == IKS_TYPE_ERROR) {
01326       ast_log(LOG_NOTICE, "User %s does not support discovery.\n", pak->from->full);
01327    }
01328    ASTOBJ_UNREF(client, aji_client_destroy);
01329    return IKS_FILTER_EAT;
01330 }
01331 /*!
01332  * \brief Handler of the return info packet
01333  * \param data aji_client
01334  * \param pak ikspak
01335  * \return IKS_FILTER_EAT
01336 */
01337 static int aji_dinfo_handler(void *data, ikspak *pak)
01338 {
01339    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01340    char *node = NULL;
01341    struct aji_resource *resource = NULL;
01342    struct aji_buddy *buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
01343 
01344    resource = aji_find_resource(buddy, pak->from->resource);
01345    if (pak->subtype == IKS_TYPE_ERROR) {
01346       ast_log(LOG_WARNING, "Recieved error from a client, turn on jabber debug!\n");
01347       return IKS_FILTER_EAT;
01348    }
01349    if (pak->subtype == IKS_TYPE_RESULT) {
01350       if (!resource) {
01351          ast_log(LOG_NOTICE,"JABBER: Received client info from %s when not requested.\n", pak->from->full);
01352          ASTOBJ_UNREF(client, aji_client_destroy);
01353          return IKS_FILTER_EAT;
01354       }
01355       if (iks_find_with_attrib(pak->query, "feature", "var", "http://www.google.com/xmpp/protocol/voice/v1")) {
01356          resource->cap->jingle = 1;
01357       } else
01358          resource->cap->jingle = 0;
01359    } else if (pak->subtype == IKS_TYPE_GET && !(node = iks_find_attrib(pak->query, "node"))) {
01360       iks *iq, *query, *identity, *disco, *reg, *commands, *gateway, *version, *vcard, *search;
01361 
01362       iq = iks_new("iq");
01363       query = iks_new("query");
01364       identity = iks_new("identity");
01365       disco = iks_new("feature");
01366       reg = iks_new("feature");
01367       commands = iks_new("feature");
01368       gateway = iks_new("feature");
01369       version = iks_new("feature");
01370       vcard = iks_new("feature");
01371       search = iks_new("feature");
01372 
01373       if (iq && query && identity && disco && reg && commands && gateway && version && vcard && search && client) {
01374          iks_insert_attrib(iq, "from", client->user);
01375          iks_insert_attrib(iq, "to", pak->from->full);
01376          iks_insert_attrib(iq, "id", pak->id);
01377          iks_insert_attrib(iq, "type", "result");
01378          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
01379          iks_insert_attrib(identity, "category", "gateway");
01380          iks_insert_attrib(identity, "type", "pstn");
01381          iks_insert_attrib(identity, "name", "Asterisk The Open Source PBX");
01382          iks_insert_attrib(disco, "var", "http://jabber.org/protocol/disco");
01383          iks_insert_attrib(reg, "var", "jabber:iq:register");
01384          iks_insert_attrib(commands, "var", "http://jabber.org/protocol/commands");
01385          iks_insert_attrib(gateway, "var", "jabber:iq:gateway");
01386          iks_insert_attrib(version, "var", "jabber:iq:version");
01387          iks_insert_attrib(vcard, "var", "vcard-temp");
01388          iks_insert_attrib(search, "var", "jabber:iq:search");
01389 
01390          iks_insert_node(iq, query);
01391          iks_insert_node(query, identity);
01392          iks_insert_node(query, disco);
01393          iks_insert_node(query, reg);
01394          iks_insert_node(query, commands);
01395          iks_insert_node(query, gateway);
01396          iks_insert_node(query, version);
01397          iks_insert_node(query, vcard);
01398          iks_insert_node(query, search);
01399          ast_aji_send(client, iq);
01400       } else {
01401          ast_log(LOG_ERROR, "Out of memory.\n");
01402       }
01403 
01404       iks_delete(iq);
01405       iks_delete(query);
01406       iks_delete(identity);
01407       iks_delete(disco);
01408       iks_delete(reg);
01409       iks_delete(commands);
01410       iks_delete(gateway);
01411       iks_delete(version);
01412       iks_delete(vcard);
01413       iks_delete(search);
01414 
01415    } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "http://jabber.org/protocol/commands")) {
01416       iks *iq, *query, *confirm;
01417       iq = iks_new("iq");
01418       query = iks_new("query");
01419       confirm = iks_new("item");
01420 
01421       if (iq && query && confirm && client) {
01422          iks_insert_attrib(iq, "from", client->user);
01423          iks_insert_attrib(iq, "to", pak->from->full);
01424          iks_insert_attrib(iq, "id", pak->id);
01425          iks_insert_attrib(iq, "type", "result");
01426          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#items");
01427          iks_insert_attrib(query, "node", "http://jabber.org/protocol/commands");
01428          iks_insert_attrib(confirm, "node", "confirmaccount");
01429          iks_insert_attrib(confirm, "name", "Confirm AIM account");
01430          iks_insert_attrib(confirm, "jid", client->user);
01431          iks_insert_node(iq, query);
01432          iks_insert_node(query, confirm);
01433          ast_aji_send(client, iq);
01434       } else {
01435          ast_log(LOG_ERROR, "Out of memory.\n");
01436       }
01437 
01438       iks_delete(iq);
01439       iks_delete(query);
01440       iks_delete(confirm);
01441 
01442    } else if (pak->subtype == IKS_TYPE_GET && !strcasecmp(node, "confirmaccount")) {
01443       iks *iq, *query, *feature;
01444 
01445       iq = iks_new("iq");
01446       query = iks_new("query");
01447       feature = iks_new("feature");
01448 
01449       if (iq && query && feature && client) {
01450          iks_insert_attrib(iq, "from", client->user);
01451          iks_insert_attrib(iq, "to", pak->from->full);
01452          iks_insert_attrib(iq, "id", pak->id);
01453          iks_insert_attrib(iq, "type", "result");
01454          iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
01455          iks_insert_attrib(feature, "var", "http://jabber.org/protocol/commands");
01456          iks_insert_node(iq, query);
01457          iks_insert_node(query, feature);
01458          ast_aji_send(client, iq);
01459       } else {
01460          ast_log(LOG_ERROR, "Out of memory.\n");
01461       }
01462 
01463       iks_delete(iq);
01464       iks_delete(query);
01465       iks_delete(feature);
01466    }
01467 
01468    ASTOBJ_UNREF(client, aji_client_destroy);
01469    return IKS_FILTER_EAT;
01470 }
01471 
01472 /*!
01473  * \brief Handles \verbatim <iq> \endverbatim tags.
01474  * \param client the configured XMPP client we use to connect to a XMPP server
01475  * \param node iks 
01476  * \return void.
01477  */
01478 static void aji_handle_iq(struct aji_client *client, iks *node)
01479 {
01480    /*Nothing to see here */
01481 }
01482 
01483 /*!
01484  * \brief Handles presence packets.
01485  * \param client the configured XMPP client we use to connect to a XMPP server
01486  * \param pak ikspak the node
01487  */
01488 static void aji_handle_message(struct aji_client *client, ikspak *pak)
01489 {
01490    struct aji_message *insert, *tmp;
01491    int flag = 0;
01492    
01493    if (!(insert = ast_calloc(1, sizeof(*insert))))
01494       return;
01495    time(&insert->arrived);
01496    if (iks_find_cdata(pak->x, "body"))
01497       insert->message = ast_strdup(iks_find_cdata(pak->x, "body"));
01498    if (pak->id)
01499       ast_copy_string(insert->id, pak->id, sizeof(insert->message));
01500    if (pak->from)
01501       insert->from = ast_strdup(pak->from->full);
01502    AST_LIST_LOCK(&client->messages);
01503    AST_LIST_TRAVERSE_SAFE_BEGIN(&client->messages, tmp, list) {
01504       if (flag) {
01505          AST_LIST_REMOVE_CURRENT(list);
01506          if (tmp->from)
01507             ast_free(tmp->from);
01508          if (tmp->message)
01509             ast_free(tmp->message);
01510       } else if (difftime(time(NULL), tmp->arrived) >= client->message_timeout) {
01511          flag = 1;
01512          AST_LIST_REMOVE_CURRENT(list);
01513          if (tmp->from)
01514             ast_free(tmp->from);
01515          if (tmp->message)
01516             ast_free(tmp->message);
01517       }
01518    }
01519    AST_LIST_TRAVERSE_SAFE_END;
01520    AST_LIST_INSERT_HEAD(&client->messages, insert, list);
01521    AST_LIST_UNLOCK(&client->messages);
01522 }
01523 /*!
01524  * \brief Check the presence info
01525  * \param client the configured XMPP client we use to connect to a XMPP server
01526  * \param pak ikspak
01527 */
01528 static void aji_handle_presence(struct aji_client *client, ikspak *pak)
01529 {
01530    int status, priority;
01531    struct aji_buddy *buddy;
01532    struct aji_resource *tmp = NULL, *last = NULL, *found = NULL;
01533    char *ver, *node, *descrip, *type;
01534    
01535    if(client->state != AJI_CONNECTED)
01536       aji_create_buddy(pak->from->partial, client);
01537 
01538    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
01539    if (!buddy && pak->from->partial) {
01540       /* allow our jid to be used to log in with another resource */
01541       if (!strcmp((const char *)pak->from->partial, (const char *)client->jid->partial))
01542          aji_create_buddy(pak->from->partial, client);
01543       else
01544          ast_log(LOG_NOTICE, "Got presence packet from %s, someone not in our roster!!!!\n", pak->from->partial);
01545       return;
01546    }
01547    type = iks_find_attrib(pak->x, "type");
01548    if(client->component && type &&!strcasecmp("probe", type)) {
01549       aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), client->status, client->statusmessage);
01550       ast_verbose("what i was looking for \n");
01551    }
01552    ASTOBJ_WRLOCK(buddy);
01553    status = (pak->show) ? pak->show : 6;
01554    priority = atoi((iks_find_cdata(pak->x, "priority")) ? iks_find_cdata(pak->x, "priority") : "0");
01555    tmp = buddy->resources;
01556    descrip = ast_strdup(iks_find_cdata(pak->x,"status"));
01557 
01558    while (tmp && pak->from->resource) {
01559       if (!strcasecmp(tmp->resource, pak->from->resource)) {
01560          tmp->status = status;
01561          if (tmp->description) ast_free(tmp->description);
01562          tmp->description = descrip;
01563          found = tmp;
01564          if (status == 6) {   /* Sign off Destroy resource */
01565             if (last && found->next) {
01566                last->next = found->next;
01567             } else if (!last) {
01568                if (found->next)
01569                   buddy->resources = found->next;
01570                else
01571                   buddy->resources = NULL;
01572             } else if (!found->next) {
01573                if (last)
01574                   last->next = NULL;
01575                else
01576                   buddy->resources = NULL;
01577             }
01578             ast_free(found);
01579             found = NULL;
01580             break;
01581          }
01582          /* resource list is sorted by descending priority */
01583          if (tmp->priority != priority) {
01584             found->priority = priority;
01585             if (!last && !found->next)
01586                /* resource was found to be unique,
01587                   leave loop */
01588                break;
01589             /* search for resource in our list
01590                and take it out for the moment */
01591             if (last)
01592                last->next = found->next;
01593             else
01594                buddy->resources = found->next;
01595 
01596             last = NULL;
01597             tmp = buddy->resources;
01598             if (!buddy->resources)
01599                buddy->resources = found;
01600             /* priority processing */
01601             while (tmp) {
01602                /* insert resource back according to 
01603                   its priority value */
01604                if (found->priority > tmp->priority) {
01605                   if (last)
01606                      /* insert within list */
01607                      last->next = found;
01608                   found->next = tmp;
01609                   if (!last)
01610                      /* insert on top */
01611                      buddy->resources = found;
01612                   break;
01613                }
01614                if (!tmp->next) {
01615                   /* insert at the end of the list */
01616                   tmp->next = found;
01617                   found->next = NULL;
01618                   break;
01619                }
01620                last = tmp;
01621                tmp = tmp->next;
01622             }
01623          }
01624          break;
01625       }
01626       last = tmp;
01627       tmp = tmp->next;
01628    }
01629 
01630    /* resource not found in our list, create it */
01631    if (!found && status != 6 && pak->from->resource) {
01632       found = ast_calloc(1, sizeof(*found));
01633 
01634       if (!found) {
01635          ast_log(LOG_ERROR, "Out of memory!\n");
01636          return;
01637       }
01638       ast_copy_string(found->resource, pak->from->resource, sizeof(found->resource));
01639       found->status = status;
01640       found->description = descrip;
01641       found->priority = priority;
01642       found->next = NULL;
01643       last = NULL;
01644       tmp = buddy->resources;
01645       while (tmp) {
01646          if (found->priority > tmp->priority) {
01647             if (last)
01648                last->next = found;
01649             found->next = tmp;
01650             if (!last)
01651                buddy->resources = found;
01652             break;
01653          }
01654          if (!tmp->next) {
01655             tmp->next = found;
01656             break;
01657          }
01658          last = tmp;
01659          tmp = tmp->next;
01660       }
01661       if (!tmp)
01662          buddy->resources = found;
01663    }
01664    
01665    ASTOBJ_UNLOCK(buddy);
01666    ASTOBJ_UNREF(buddy, aji_buddy_destroy);
01667 
01668    node = iks_find_attrib(iks_find(pak->x, "c"), "node");
01669    ver = iks_find_attrib(iks_find(pak->x, "c"), "ver");
01670 
01671    /* handle gmail client's special caps:c tag */
01672    if (!node && !ver) {
01673       node = iks_find_attrib(iks_find(pak->x, "caps:c"), "node");
01674       ver = iks_find_attrib(iks_find(pak->x, "caps:c"), "ver");
01675    }
01676 
01677    /* retrieve capabilites of the new resource */
01678    if(status !=6 && found && !found->cap) {
01679       found->cap = aji_find_version(node, ver, pak);
01680       if(gtalk_yuck(pak->x)) /* gtalk should do discover */
01681          found->cap->jingle = 1;
01682       if(found->cap->jingle && option_debug > 4) {
01683          ast_debug(1,"Special case for google till they support discover.\n");
01684       }
01685       else {
01686          iks *iq, *query;
01687          iq = iks_new("iq");
01688          query = iks_new("query");
01689          if(query && iq)  {
01690             iks_insert_attrib(iq, "type", "get");
01691             iks_insert_attrib(iq, "to", pak->from->full);
01692             iks_insert_attrib(iq,"from", client->jid->full);
01693             iks_insert_attrib(iq, "id", client->mid);
01694             ast_aji_increment_mid(client->mid);
01695             iks_insert_attrib(query, "xmlns", "http://jabber.org/protocol/disco#info");
01696             iks_insert_node(iq, query);
01697             ast_aji_send(client, iq);
01698             
01699          } else
01700             ast_log(LOG_ERROR, "Out of memory.\n");
01701          
01702          iks_delete(query);
01703          iks_delete(iq);
01704       }
01705    }
01706    switch (pak->subtype) {
01707    case IKS_TYPE_AVAILABLE:
01708       ast_debug(3, "JABBER: I am available ^_* %i\n", pak->subtype);
01709       break;
01710    case IKS_TYPE_UNAVAILABLE:
01711       ast_debug(3, "JABBER: I am unavailable ^_* %i\n", pak->subtype);
01712       break;
01713    default:
01714       ast_debug(3, "JABBER: Ohh sexy and the wrong type: %i\n", pak->subtype);
01715    }
01716    switch (pak->show) {
01717    case IKS_SHOW_UNAVAILABLE:
01718       ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
01719       break;
01720    case IKS_SHOW_AVAILABLE:
01721       ast_debug(3, "JABBER: type is available\n");
01722       break;
01723    case IKS_SHOW_CHAT:
01724       ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
01725       break;
01726    case IKS_SHOW_AWAY:
01727       ast_debug(3, "JABBER: type is away\n");
01728       break;
01729    case IKS_SHOW_XA:
01730       ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
01731       break;
01732    case IKS_SHOW_DND:
01733       ast_debug(3, "JABBER: type: %i subtype %i\n", pak->subtype, pak->show);
01734       break;
01735    default:
01736       ast_debug(3, "JABBER: Kinky! how did that happen %i\n", pak->show);
01737    }
01738 }
01739 
01740 /*!
01741  * \brief handles subscription requests.
01742  * \param client the configured XMPP client we use to connect to a XMPP server
01743  * \param pak ikspak iksemel packet.
01744  * \return void.
01745  */
01746 static void aji_handle_subscribe(struct aji_client *client, ikspak *pak)
01747 {
01748    iks *presence = NULL, *status = NULL;
01749    struct aji_buddy* buddy = NULL;
01750 
01751    switch (pak->subtype) { 
01752    case IKS_TYPE_SUBSCRIBE:
01753       presence = iks_new("presence");
01754       status = iks_new("status");
01755       if (presence && status) {
01756          iks_insert_attrib(presence, "type", "subscribed");
01757          iks_insert_attrib(presence, "to", pak->from->full);
01758          iks_insert_attrib(presence, "from", client->jid->full);
01759          if (pak->id)
01760             iks_insert_attrib(presence, "id", pak->id);
01761          iks_insert_cdata(status, "Asterisk has approved subscription", 0);
01762          iks_insert_node(presence, status);
01763          ast_aji_send(client, presence);
01764       } else
01765          ast_log(LOG_ERROR, "Unable to allocate nodes\n");
01766 
01767       iks_delete(presence);
01768       iks_delete(status);
01769 
01770       if (client->component)
01771          aji_set_presence(client, pak->from->full, iks_find_attrib(pak->x, "to"), client->status, client->statusmessage);
01772    case IKS_TYPE_SUBSCRIBED:
01773       buddy = ASTOBJ_CONTAINER_FIND(&client->buddies, pak->from->partial);
01774       if (!buddy && pak->from->partial) {
01775          aji_create_buddy(pak->from->partial, client);
01776       }
01777    default:
01778       if (option_verbose > 4) {
01779          ast_verbose(VERBOSE_PREFIX_3 "JABBER: This is a subcription of type %i\n", pak->subtype);
01780       }
01781    }
01782 }
01783 
01784 /*!
01785  * \brief sends messages.
01786  * \param client the configured XMPP client we use to connect to a XMPP server
01787  * \param address
01788  * \param message
01789  * \return 1.
01790  */
01791 int ast_aji_send_chat(struct aji_client *client, const char *address, const char *message)
01792 {
01793    int res = 0;
01794    iks *message_packet = NULL;
01795    if (client->state == AJI_CONNECTED) {
01796       message_packet = iks_make_msg(IKS_TYPE_CHAT, address, message);
01797       if (message_packet) {
01798          iks_insert_attrib(message_packet, "from", client->jid->full);
01799          res = ast_aji_send(client, message_packet);
01800       } else {
01801          ast_log(LOG_ERROR, "Out of memory.\n");
01802       }
01803 
01804       iks_delete(message_packet);
01805    } else
01806       ast_log(LOG_WARNING, "JABBER: Not connected can't send\n");
01807    return 1;
01808 }
01809 
01810 /*!
01811  * \brief create a chatroom.
01812  * \param client the configured XMPP client we use to connect to a XMPP server
01813  * \param room name of room
01814  * \param server name of server
01815  * \param topic topic for the room.
01816  * \return 0.
01817  */
01818 int ast_aji_create_chat(struct aji_client *client, char *room, char *server, char *topic)
01819 {
01820    int res = 0;
01821    iks *iq = NULL;
01822    iq = iks_new("iq");
01823 
01824    if (iq && client) {
01825       iks_insert_attrib(iq, "type", "get");
01826       iks_insert_attrib(iq, "to", server);
01827       iks_insert_attrib(iq, "id", client->mid);
01828       ast_aji_increment_mid(client->mid);
01829       ast_aji_send(client, iq);
01830    } else 
01831       ast_log(LOG_ERROR, "Out of memory.\n");
01832 
01833    iks_delete(iq);
01834 
01835    return res;
01836 }
01837 
01838 /*!
01839  * \brief join a chatroom.
01840  * \param client the configured XMPP client we use to connect to a XMPP server
01841  * \param room room to join
01842  * \return res.
01843  */
01844 int ast_aji_join_chat(struct aji_client *client, char *room)
01845 {
01846    int res = 0;
01847    iks *presence = NULL, *priority = NULL;
01848    presence = iks_new("presence");
01849    priority = iks_new("priority");
01850    if (presence && priority && client) {
01851       iks_insert_cdata(priority, "0", 1);
01852       iks_insert_attrib(presence, "to", room);
01853       iks_insert_node(presence, priority);
01854       res = ast_aji_send(client, presence);
01855       iks_insert_cdata(priority, "5", 1);
01856       iks_insert_attrib(presence, "to", room);
01857       res = ast_aji_send(client, presence);
01858    } else 
01859       ast_log(LOG_ERROR, "Out of memory.\n");
01860    
01861    iks_delete(presence);
01862    iks_delete(priority);
01863    
01864    return res;
01865 }
01866 
01867 /*!
01868  * \brief invite to a chatroom.
01869  * \param client the configured XMPP client we use to connect to a XMPP server
01870  * \param user 
01871  * \param room
01872  * \param message
01873  * \return res.
01874  */
01875 int ast_aji_invite_chat(struct aji_client *client, char *user, char *room, char *message)
01876 {
01877    int res = 0;
01878    iks *invite, *body, *namespace;
01879 
01880    invite = iks_new("message");
01881    body = iks_new("body");
01882    namespace = iks_new("x");
01883    if (client && invite && body && namespace) {
01884       iks_insert_attrib(invite, "to", user);
01885       iks_insert_attrib(invite, "id", client->mid);
01886       ast_aji_increment_mid(client->mid);
01887       iks_insert_cdata(body, message, 0);
01888       iks_insert_attrib(namespace, "xmlns", "jabber:x:conference");
01889       iks_insert_attrib(namespace, "jid", room);
01890       iks_insert_node(invite, body);
01891       iks_insert_node(invite, namespace);
01892       res = ast_aji_send(client, invite);
01893    } else 
01894       ast_log(LOG_ERROR, "Out of memory.\n");
01895 
01896    iks_delete(body);
01897    iks_delete(namespace);
01898    iks_delete(invite);
01899    
01900    return res;
01901 }
01902 
01903 
01904 /*!
01905  * \brief receive message loop.
01906  * \param data void
01907  * \return void.
01908  */
01909 static void *aji_recv_loop(void *data)
01910 {
01911    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01912    int res = IKS_HOOK;
01913 
01914    while(res != IKS_OK) {
01915       ast_debug(3, "JABBER: Connecting.\n");
01916       res = aji_reconnect(client);
01917       sleep(4);
01918    }
01919 
01920    do {
01921       if (res == IKS_NET_RWERR || client->timeout == 0) {
01922          while(res != IKS_OK) {
01923             ast_debug(3, "JABBER: reconnecting.\n");
01924             res = aji_reconnect(client);
01925             sleep(4);
01926          }
01927       }
01928 
01929       res = aji_recv(client, 1);
01930       
01931       if (client->state == AJI_DISCONNECTING) {
01932          ast_debug(2, "Ending our Jabber client's thread due to a disconnect\n");
01933          pthread_exit(NULL);
01934       }
01935 
01936       /* Decrease timeout if no data received */
01937       if (res == IKS_NET_EXPIRED)
01938          client->timeout--;
01939 
01940       if (res == IKS_HOOK) 
01941          ast_log(LOG_WARNING, "JABBER: Got hook event.\n");
01942       else if (res == IKS_NET_TLSFAIL)
01943          ast_log(LOG_ERROR, "JABBER:  Failure in TLS.\n");
01944       else if (client->timeout == 0 && client->state == AJI_CONNECTED) {
01945          res = client->keepalive ? aji_send_raw(client, " ") : IKS_OK;
01946          if(res == IKS_OK)
01947             client->timeout = 50;
01948          else
01949             ast_log(LOG_WARNING, "JABBER:  Network Timeout\n");
01950       } else if (res == IKS_NET_RWERR)
01951          ast_log(LOG_WARNING, "JABBER: socket read error\n");
01952    } while (client);
01953    ASTOBJ_UNREF(client, aji_client_destroy);
01954    return 0;
01955 }
01956 
01957 /*!
01958  * \brief increments the mid field for messages and other events.
01959  * \param mid char.
01960  * \return void.
01961  */
01962 void ast_aji_increment_mid(char *mid)
01963 {
01964    int i = 0;
01965 
01966    for (i = strlen(mid) - 1; i >= 0; i--) {
01967       if (mid[i] != 'z') {
01968          mid[i] = mid[i] + 1;
01969          i = 0;
01970       } else
01971          mid[i] = 'a';
01972    }
01973 }
01974 
01975 #if 0
01976 /*!
01977  * \brief attempts to register to a transport.
01978  * \param aji_client struct, and xml packet.
01979  * \return IKS_FILTER_EAT.
01980  */
01981 /*allows for registering to transport , was too sketch and is out for now. */
01982 static int aji_register_transport(void *data, ikspak *pak)
01983 {
01984    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
01985    int res = 0;
01986    struct aji_buddy *buddy = NULL;
01987    iks *send = iks_make_iq(IKS_TYPE_GET, "jabber:iq:register");
01988 
01989    if (client && send) {
01990       ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
01991          ASTOBJ_RDLOCK(iterator); 
01992          if (iterator->btype == AJI_TRANS) {
01993               buddy = iterator;
01994          }
01995          ASTOBJ_UNLOCK(iterator);
01996       });
01997       iks_filter_remove_hook(client->f, aji_register_transport);
01998       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);
01999       iks_insert_attrib(send, "to", buddy->host);
02000       iks_insert_attrib(send, "id", client->mid);
02001       ast_aji_increment_mid(client->mid);
02002       iks_insert_attrib(send, "from", client->user);
02003       res = ast_aji_send(client, send);
02004    } else 
02005       ast_log(LOG_ERROR, "Out of memory.\n");
02006 
02007    if (send)
02008       iks_delete(send);
02009    ASTOBJ_UNREF(client, aji_client_destroy);
02010    return IKS_FILTER_EAT;
02011 
02012 }
02013 /*!
02014  * \brief attempts to register to a transport step 2.
02015  * \param aji_client struct, and xml packet.
02016  * \return IKS_FILTER_EAT.
02017  */
02018 /* more of the same blob of code, too wonky for now*/
02019 static int aji_register_transport2(void *data, ikspak *pak)
02020 {
02021    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
02022    int res = 0;
02023    struct aji_buddy *buddy = NULL;
02024 
02025    iks *regiq = iks_new("iq");
02026    iks *regquery = iks_new("query");
02027    iks *reguser = iks_new("username");
02028    iks *regpass = iks_new("password");
02029 
02030    if (client && regquery && reguser && regpass && regiq) {
02031       ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02032          ASTOBJ_RDLOCK(iterator);
02033          if (iterator->btype == AJI_TRANS)
02034             buddy = iterator; ASTOBJ_UNLOCK(iterator);
02035       });
02036       iks_filter_remove_hook(client->f, aji_register_transport2);
02037       iks_insert_attrib(regiq, "to", buddy->host);
02038       iks_insert_attrib(regiq, "type", "set");
02039       iks_insert_attrib(regiq, "id", client->mid);
02040       ast_aji_increment_mid(client->mid);
02041       iks_insert_attrib(regiq, "from", client->user);
02042       iks_insert_attrib(regquery, "xmlns", "jabber:iq:register");
02043       iks_insert_cdata(reguser, buddy->user, 0);
02044       iks_insert_cdata(regpass, buddy->pass, 0);
02045       iks_insert_node(regiq, regquery);
02046       iks_insert_node(regquery, reguser);
02047       iks_insert_node(regquery, regpass);
02048       res = ast_aji_send(client, regiq);
02049    } else
02050       ast_log(LOG_ERROR, "Out of memory.\n");
02051    if (regiq)
02052       iks_delete(regiq);
02053    if (regquery)
02054       iks_delete(regquery);
02055    if (reguser)
02056       iks_delete(reguser);
02057    if (regpass)
02058       iks_delete(regpass);
02059    ASTOBJ_UNREF(client, aji_client_destroy);
02060    return IKS_FILTER_EAT;
02061 }
02062 #endif
02063 
02064 /*!
02065  * \brief goes through roster and prunes users not needed in list, or adds them accordingly.
02066  * \param client the configured XMPP client we use to connect to a XMPP server
02067  * \return void.
02068  * \note The messages here should be configurable.
02069  */
02070 static void aji_pruneregister(struct aji_client *client)
02071 {
02072    int res = 0;
02073    iks *removeiq = iks_new("iq");
02074    iks *removequery = iks_new("query");
02075    iks *removeitem = iks_new("item");
02076    iks *send = iks_make_iq(IKS_TYPE_GET, "http://jabber.org/protocol/disco#items");
02077    if (!client || !removeiq || !removequery || !removeitem || !send) {
02078       ast_log(LOG_ERROR, "Out of memory.\n");
02079       goto safeout;
02080    }
02081 
02082    iks_insert_node(removeiq, removequery);
02083    iks_insert_node(removequery, removeitem);
02084    ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02085       ASTOBJ_RDLOCK(iterator);
02086       /* For an aji_buddy, both AUTOPRUNE and AUTOREGISTER will never
02087        * be called at the same time */
02088       if (ast_test_flag(&iterator->flags, AJI_AUTOPRUNE)) { /* If autoprune is set on jabber.conf */
02089          res = ast_aji_send(client, iks_make_s10n(IKS_TYPE_UNSUBSCRIBE, iterator->name,
02090                          "GoodBye. Your status is no longer needed by Asterisk the Open Source PBX"
02091                          " so I am no longer subscribing to your presence.\n"));
02092          res = ast_aji_send(client, iks_make_s10n(IKS_TYPE_UNSUBSCRIBED, iterator->name,
02093                          "GoodBye.  You are no longer in the Asterisk config file so I am removing"
02094                          " your access to my presence.\n"));
02095          iks_insert_attrib(removeiq, "from", client->jid->full); 
02096          iks_insert_attrib(removeiq, "type", "set"); 
02097          iks_insert_attrib(removequery, "xmlns", "jabber:iq:roster");
02098          iks_insert_attrib(removeitem, "jid", iterator->name);
02099          iks_insert_attrib(removeitem, "subscription", "remove");
02100          res = ast_aji_send(client, removeiq);
02101       } else if (ast_test_flag(&iterator->flags, AJI_AUTOREGISTER)) {
02102          res = ast_aji_send(client, iks_make_s10n(IKS_TYPE_SUBSCRIBE, iterator->name, 
02103                          "Greetings! I am the Asterisk Open Source PBX and I want to subscribe to your presence\n"));
02104          ast_clear_flag(&iterator->flags, AJI_AUTOREGISTER);
02105       }
02106       ASTOBJ_UNLOCK(iterator);
02107    });
02108 
02109  safeout:
02110    iks_delete(removeiq);
02111    iks_delete(removequery);
02112    iks_delete(removeitem);
02113    iks_delete(send);
02114    
02115    ASTOBJ_CONTAINER_PRUNE_MARKED(&client->buddies, aji_buddy_destroy);
02116 }
02117 
02118 /*!
02119  * \brief filters the roster packet we get back from server.
02120  * \param data void
02121  * \param pak ikspak iksemel packet.
02122  * \return IKS_FILTER_EAT.
02123  */
02124 static int aji_filter_roster(void *data, ikspak *pak)
02125 {
02126    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
02127    int flag = 0;
02128    iks *x = NULL;
02129    struct aji_buddy *buddy;
02130    
02131    client->state = AJI_CONNECTED;
02132    ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02133       ASTOBJ_RDLOCK(iterator);
02134       x = iks_child(pak->query);
02135       flag = 0;
02136       while (x) {
02137          if (!iks_strcmp(iks_name(x), "item")) {
02138             if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid"))) {
02139                flag = 1;
02140                ast_clear_flag(&iterator->flags, AJI_AUTOPRUNE | AJI_AUTOREGISTER);
02141             }
02142          }
02143          x = iks_next(x);
02144       }
02145       if (!flag)
02146          ast_copy_flags(&iterator->flags, &client->flags, AJI_AUTOREGISTER);
02147       iks_delete(x);
02148       
02149       ASTOBJ_UNLOCK(iterator);
02150    });
02151 
02152    x = iks_child(pak->query);
02153    while (x) {
02154       flag = 0;
02155       if (iks_strcmp(iks_name(x), "item") == 0) {
02156          ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02157             ASTOBJ_RDLOCK(iterator);
02158             if (!strcasecmp(iterator->name, iks_find_attrib(x, "jid")))
02159                flag = 1;
02160             ASTOBJ_UNLOCK(iterator);
02161          });
02162 
02163          if (flag) {
02164             /* found buddy, don't create a new one */
02165             x = iks_next(x);
02166             continue;
02167          }
02168          
02169          buddy = ast_calloc(1, sizeof(*buddy));
02170          if (!buddy) {
02171             ast_log(LOG_WARNING, "Out of memory\n");
02172             return 0;
02173          }
02174          ASTOBJ_INIT(buddy);
02175          ASTOBJ_WRLOCK(buddy);
02176          ast_copy_string(buddy->name, iks_find_attrib(x, "jid"), sizeof(buddy->name));
02177          ast_clear_flag(&buddy->flags, AST_FLAGS_ALL);
02178          if(ast_test_flag(&client->flags, AJI_AUTOPRUNE)) {
02179             ast_set_flag(&buddy->flags, AJI_AUTOPRUNE);
02180             ASTOBJ_MARK(buddy);
02181          } else if (!iks_strcmp(iks_find_attrib(x, "subscription"), "none") || !iks_strcmp(iks_find_attrib(x, "subscription"), "from")) {
02182             /* subscribe to buddy's presence only 
02183                if we really need to */
02184             ast_set_flag(&buddy->flags, AJI_AUTOREGISTER);
02185          }
02186          ASTOBJ_UNLOCK(buddy);
02187          if (buddy) {
02188             ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
02189             ASTOBJ_UNREF(buddy, aji_buddy_destroy);
02190          }
02191       }
02192       x = iks_next(x);
02193    }
02194 
02195    iks_delete(x);
02196    aji_pruneregister(client);
02197 
02198    ASTOBJ_UNREF(client, aji_client_destroy);
02199    return IKS_FILTER_EAT;
02200 }
02201 
02202 /*!
02203  * \brief reconnect to jabber server
02204  * \param client the configured XMPP client we use to connect to a XMPP server
02205  * \return res.
02206 */
02207 static int aji_reconnect(struct aji_client *client)
02208 {
02209    int res = 0;
02210 
02211    if (client->state)
02212       client->state = AJI_DISCONNECTED;
02213    client->timeout=50;
02214    if (client->p)
02215       iks_parser_reset(client->p);
02216    if (client->authorized)
02217       client->authorized = 0;
02218 
02219    res = aji_initialize(client);
02220 
02221    return res;
02222 }
02223 
02224 /*!
02225  * \brief Get the roster of jabber users
02226  * \param client the configured XMPP client we use to connect to a XMPP server
02227  * \return 1.
02228 */
02229 static int aji_get_roster(struct aji_client *client)
02230 {
02231    iks *roster = NULL;
02232    roster = iks_make_iq(IKS_TYPE_GET, IKS_NS_ROSTER);
02233 
02234    if(roster) {
02235       iks_insert_attrib(roster, "id", "roster");
02236       aji_set_presence(client, NULL, client->jid->full, client->status, client->statusmessage);
02237       ast_aji_send(client, roster);
02238    }
02239 
02240    iks_delete(roster);
02241    
02242    return 1;
02243 }
02244 
02245 /*!
02246  * \brief connects as a client to jabber server.
02247  * \param data void
02248  * \param pak ikspak iksemel packet
02249  * \return res.
02250  */
02251 static int aji_client_connect(void *data, ikspak *pak)
02252 {
02253    struct aji_client *client = ASTOBJ_REF((struct aji_client *) data);
02254    int res = 0;
02255 
02256    if (client) {
02257       if (client->state == AJI_DISCONNECTED) {
02258          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);
02259          client->state = AJI_CONNECTING;
02260          client->jid = (iks_find_cdata(pak->query, "jid")) ? iks_id_new(client->stack, iks_find_cdata(pak->query, "jid")) : client->jid;
02261          iks_filter_remove_hook(client->f, aji_client_connect);
02262          if(!client->component) /*client*/
02263             aji_get_roster(client);
02264       }
02265    } else
02266       ast_log(LOG_ERROR, "Out of memory.\n");
02267 
02268    ASTOBJ_UNREF(client, aji_client_destroy);
02269    return res;
02270 }
02271 
02272 /*!
02273  * \brief prepares client for connect.
02274  * \param client the configured XMPP client we use to connect to a XMPP server
02275  * \return 1.
02276  */
02277 static int aji_initialize(struct aji_client *client)
02278 {
02279    int connected = IKS_NET_NOCONN;
02280 
02281 #ifdef HAVE_OPENSSL  
02282    /* reset stream flags */
02283    client->stream_flags = 0;
02284 #endif
02285    /* If it's a component, connect to user, otherwise, connect to server */
02286    connected = iks_connect_via(client->p, S_OR(client->serverhost, client->jid->server), client->port, client->component ? client->user : client->jid->server);
02287 
02288    if (connected == IKS_NET_NOCONN) {
02289       ast_log(LOG_ERROR, "JABBER ERROR: No Connection\n");
02290       return IKS_HOOK;
02291    } else   if (connected == IKS_NET_NODNS) {
02292       ast_log(LOG_ERROR, "JABBER ERROR: No DNS %s for client to  %s\n", client->name, S_OR(client->serverhost, client->jid->server));
02293       return IKS_HOOK;
02294    }
02295 
02296    return IKS_OK;
02297 }
02298 
02299 /*!
02300  * \brief disconnect from jabber server.
02301  * \param client the configured XMPP client we use to connect to a XMPP server
02302  * \return 1.
02303  */
02304 int ast_aji_disconnect(struct aji_client *client)
02305 {
02306    if (client) {
02307       ast_verb(4, "JABBER: Disconnecting\n");
02308 #ifdef HAVE_OPENSSL
02309       if (client->stream_flags & SECURE) {
02310          SSL_shutdown(client->ssl_session);
02311          SSL_CTX_free(client->ssl_context);
02312          SSL_free(client->ssl_session);
02313       }
02314 #endif
02315       iks_disconnect(client->p);
02316       iks_parser_delete(client->p);
02317       ASTOBJ_UNREF(client, aji_client_destroy);
02318    }
02319 
02320    return 1;
02321 }
02322 
02323 /*!
02324  * \brief set presence of client.
02325  * \param client the configured XMPP client we use to connect to a XMPP server
02326  * \param to user send it to
02327  * \param from user it came from
02328  * \param level
02329  * \param desc
02330  * \return void.
02331  */
02332 static void aji_set_presence(struct aji_client *client, char *to, char *from, int level, char *desc)
02333 {
02334    int res = 0;
02335    iks *presence = iks_make_pres(level, desc);
02336    iks *cnode = iks_new("c");
02337    iks *priority = iks_new("priority");
02338    char priorityS[10];
02339 
02340    if (presence && cnode && client && priority) {
02341       if(to)
02342          iks_insert_attrib(presence, "to", to);
02343       if(from)
02344          iks_insert_attrib(presence, "from", from);
02345       snprintf(priorityS, sizeof(priorityS), "%d", client->priority);
02346       iks_insert_cdata(priority, priorityS, strlen(priorityS));
02347       iks_insert_node(presence, priority);
02348       iks_insert_attrib(cnode, "node", "http://www.asterisk.org/xmpp/client/caps");
02349       iks_insert_attrib(cnode, "ver", "asterisk-xmpp");
02350       iks_insert_attrib(cnode, "ext", "voice-v1");
02351       iks_insert_attrib(cnode, "xmlns", "http://jabber.org/protocol/caps");
02352       iks_insert_node(presence, cnode);
02353       res = ast_aji_send(client, presence);
02354    } else
02355       ast_log(LOG_ERROR, "Out of memory.\n");
02356 
02357    iks_delete(cnode);
02358    iks_delete(presence);
02359    iks_delete(priority);
02360 }
02361 
02362 /*!
02363  * \brief Turn on/off console debugging.
02364  * \return CLI_SUCCESS.
02365  */
02366 static char *aji_do_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02367 {
02368    switch (cmd) {
02369    case CLI_INIT:
02370       e->command = "jabber set debug {on|off}";
02371       e->usage =
02372          "Usage: jabber set debug {on|off}\n"
02373          "       Enables/disables dumping of XMPP/Jabber packets for debugging purposes.\n";
02374       return NULL;
02375    case CLI_GENERATE:
02376       return NULL;
02377    }
02378 
02379    if (a->argc != e->args)
02380       return CLI_SHOWUSAGE;
02381 
02382    if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
02383       ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02384          ASTOBJ_RDLOCK(iterator); 
02385          iterator->debug = 1;
02386          ASTOBJ_UNLOCK(iterator);
02387       });
02388       ast_cli(a->fd, "Jabber Debugging Enabled.\n");
02389       return CLI_SUCCESS;
02390    } else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
02391       ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02392          ASTOBJ_RDLOCK(iterator); 
02393          iterator->debug = 0;
02394          ASTOBJ_UNLOCK(iterator);
02395       });
02396       ast_cli(a->fd, "Jabber Debugging Disabled.\n");
02397       return CLI_SUCCESS;
02398    }
02399    return CLI_SHOWUSAGE; /* defaults to invalid */
02400 }
02401 
02402 /*!
02403  * \brief Turn on/off console debugging (deprecated, use aji_do_set_debug).
02404  * \return CLI_SUCCESS.
02405  */
02406 static char *aji_do_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02407 {
02408 
02409    switch (cmd) {
02410    case CLI_INIT:
02411       e->command = "jabber debug [off]";
02412       e->usage =
02413          "Usage: jabber debug [off]\n"
02414          "       Enables/disables dumping of Jabber packets for debugging purposes.\n";
02415       return NULL;
02416    case CLI_GENERATE:
02417       return NULL;
02418    }
02419 
02420    if (a->argc == 2) {
02421       ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02422          ASTOBJ_RDLOCK(iterator); 
02423          iterator->debug = 1;
02424          ASTOBJ_UNLOCK(iterator);
02425       });
02426       ast_cli(a->fd, "Jabber Debugging Enabled.\n");
02427       return CLI_SUCCESS;
02428    } else if (a->argc == 3) {
02429       if (!strncasecmp(a->argv[2], "off", 3)) {
02430          ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02431             ASTOBJ_RDLOCK(iterator); 
02432             iterator->debug = 0;
02433             ASTOBJ_UNLOCK(iterator);
02434          });
02435          ast_cli(a->fd, "Jabber Debugging Disabled.\n");
02436          return CLI_SUCCESS;
02437       }
02438    }
02439    return CLI_SHOWUSAGE; /* defaults to invalid */
02440 }
02441 
02442 /*!
02443  * \brief Reload jabber module.
02444  * \return CLI_SUCCESS.
02445  */
02446 static char *aji_do_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02447 {
02448    switch (cmd) {
02449    case CLI_INIT:
02450       e->command = "jabber reload";
02451       e->usage =
02452          "Usage: jabber reload\n"
02453          "       Reloads the Jabber module.\n";
02454       return NULL;
02455    case CLI_GENERATE:
02456       return NULL;
02457    }
02458 
02459    aji_reload(1);
02460    ast_cli(a->fd, "Jabber Reloaded.\n");
02461    return CLI_SUCCESS;
02462 }
02463 
02464 /*!
02465  * \brief Show client status.
02466  * \return CLI_SUCCESS.
02467  */
02468 static char *aji_show_clients(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02469 {
02470    char *status;
02471    int count = 0;
02472    
02473    switch (cmd) {
02474    case CLI_INIT:
02475       e->command = "jabber show connected";
02476       e->usage =
02477          "Usage: jabber show connected\n"
02478          "       Shows state of clients and components\n";
02479       return NULL;
02480    case CLI_GENERATE:
02481       return NULL;
02482    }
02483 
02484    ast_cli(a->fd, "Jabber Users and their status:\n");
02485    ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02486       ASTOBJ_RDLOCK(iterator);
02487       count++;
02488       switch (iterator->state) {
02489       case AJI_DISCONNECTED:
02490          status = "Disconnected";
02491          break;
02492       case AJI_CONNECTING:
02493          status = "Connecting";
02494          break;
02495       case AJI_CONNECTED:
02496          status = "Connected";
02497          break;
02498       default:
02499          status = "Unknown";
02500       }
02501       ast_cli(a->fd, "       User: %s     - %s\n", iterator->user, status);
02502       ASTOBJ_UNLOCK(iterator);
02503    });
02504    ast_cli(a->fd, "----\n");
02505    ast_cli(a->fd, "   Number of users: %d\n", count);
02506    return CLI_SUCCESS;
02507 }
02508 
02509 /*!
02510  * \brief Show buddy lists
02511  * \return CLI_SUCCESS.
02512  */
02513 static char *aji_show_buddies(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02514 {
02515    struct aji_resource *resource;
02516    struct aji_client *client;
02517 
02518    switch (cmd) {
02519    case CLI_INIT:
02520       e->command = "jabber show buddies";
02521       e->usage =
02522          "Usage: jabber show buddies\n"
02523          "       Shows buddy lists of our clients\n";
02524       return NULL;
02525    case CLI_GENERATE:
02526       return NULL;
02527    }
02528 
02529    ast_cli(a->fd, "Jabber buddy lists\n");
02530    ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02531       ast_cli(a->fd,"Client: %s\n", iterator->user);
02532       client = iterator;
02533       ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02534          ASTOBJ_RDLOCK(iterator);
02535          ast_cli(a->fd,"\tBuddy:\t%s\n", iterator->name);
02536          if (!iterator->resources)
02537             ast_cli(a->fd,"\t\tResource: None\n"); 
02538          for (resource = iterator->resources; resource; resource = resource->next) {
02539             ast_cli(a->fd,"\t\tResource: %s\n", resource->resource);
02540             if(resource->cap) {
02541                ast_cli(a->fd,"\t\t\tnode: %s\n", resource->cap->parent->node);
02542                ast_cli(a->fd,"\t\t\tversion: %s\n", resource->cap->version);
02543                ast_cli(a->fd,"\t\t\tJingle capable: %s\n", resource->cap->jingle ? "yes" : "no");
02544             }
02545             ast_cli(a->fd,"\t\tStatus: %d\n", resource->status);
02546             ast_cli(a->fd,"\t\tPriority: %d\n", resource->priority);
02547          }
02548          ASTOBJ_UNLOCK(iterator);
02549       });
02550       iterator = client;
02551    });
02552    return CLI_SUCCESS;
02553 }
02554 
02555 /*!
02556  * \brief Send test message for debugging.
02557  * \return CLI_SUCCESS,CLI_FAILURE.
02558  */
02559 static char *aji_test(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02560 {
02561    struct aji_client *client;
02562    struct aji_resource *resource;
02563    const char *name = "asterisk";
02564    struct aji_message *tmp;
02565 
02566    switch (cmd) {
02567    case CLI_INIT:
02568       e->command = "jabber test";
02569       e->usage =
02570          "Usage: jabber test [client]\n"
02571          "       Sends test message for debugging purposes.  A specific client\n"
02572          "       as configured in jabber.conf can be optionally specified.\n";
02573       return NULL;
02574    case CLI_GENERATE:
02575       return NULL;
02576    }
02577 
02578    if (a->argc > 3)
02579       return CLI_SHOWUSAGE;
02580    else if (a->argc == 3)
02581       name = a->argv[2];
02582 
02583    if (!(client = ASTOBJ_CONTAINER_FIND(&clients, name))) {
02584       ast_cli(a->fd, "Unable to find client '%s'!\n", name);
02585       return CLI_FAILURE;
02586    }
02587 
02588    /* XXX Does Matt really want everyone to use his personal address for tests? */ /* XXX yes he does */
02589    ast_aji_send_chat(client, "mogorman@astjab.org", "blahblah");
02590    ASTOBJ_CONTAINER_TRAVERSE(&client->buddies, 1, {
02591       ASTOBJ_RDLOCK(iterator);
02592       ast_verbose("User: %s\n", iterator->name);
02593       for (resource = iterator->resources; resource; resource = resource->next) {
02594          ast_verbose("Resource: %s\n", resource->resource);
02595          if(resource->cap) {
02596             ast_verbose("   client: %s\n", resource->cap->parent->node);
02597             ast_verbose("   version: %s\n", resource->cap->version);
02598             ast_verbose("   Jingle Capable: %d\n", resource->cap->jingle);
02599          }
02600          ast_verbose("  Priority: %d\n", resource->priority);
02601          ast_verbose("  Status: %d\n", resource->status); 
02602          ast_verbose("  Message: %s\n", S_OR(resource->description,"")); 
02603       }
02604       ASTOBJ_UNLOCK(iterator);
02605    });
02606    ast_verbose("\nOooh a working message stack!\n");
02607    AST_LIST_LOCK(&client->messages);
02608    AST_LIST_TRAVERSE(&client->messages, tmp, list) {
02609       ast_verbose("  Message from: %s with id %s @ %s %s\n",tmp->from, S_OR(tmp->id,""), ctime(&tmp->arrived), S_OR(tmp->message, ""));
02610    }
02611    AST_LIST_UNLOCK(&client->messages);
02612    ASTOBJ_UNREF(client, aji_client_destroy);
02613 
02614    return CLI_SUCCESS;
02615 }
02616 
02617 /*!
02618  * \brief creates aji_client structure.
02619  * \param label
02620  * \param var ast_variable
02621  * \param debug 
02622  * \return 0.
02623  */
02624 static int aji_create_client(char *label, struct ast_variable *var, int debug)
02625 {
02626    char *resource;
02627    struct aji_client *client = NULL;
02628    int flag = 0;
02629 
02630    client = ASTOBJ_CONTAINER_FIND(&clients,label);
02631    if (!client) {
02632       flag = 1;
02633       client = ast_calloc(1, sizeof(*client));
02634       if (!client) {
02635          ast_log(LOG_ERROR, "Out of memory!\n");
02636          return 0;
02637       }
02638       ASTOBJ_INIT(client);
02639       ASTOBJ_WRLOCK(client);
02640       ASTOBJ_CONTAINER_INIT(&client->buddies);
02641    } else {
02642       ASTOBJ_WRLOCK(client);
02643       ASTOBJ_UNMARK(client);
02644    }
02645    ASTOBJ_CONTAINER_MARKALL(&client->buddies);
02646    ast_copy_string(client->name, label, sizeof(client->name));
02647    ast_copy_string(client->mid, "aaaaa", sizeof(client->mid));
02648 
02649    /* Set default values for the client object */
02650    client->debug = debug;
02651    ast_copy_flags(&client->flags, &globalflags, AST_FLAGS_ALL);
02652    client->port = 5222;
02653    client->usetls = 1;
02654    client->usesasl = 1;
02655    client->forcessl = 0;
02656    client->keepalive = 1;
02657    client->timeout = 50;
02658    client->message_timeout = 100;
02659    AST_LIST_HEAD_INIT(&client->messages);
02660    client->component = 0;
02661    ast_copy_string(client->statusmessage, "Online and Available", sizeof(client->statusmessage));
02662    client->priority = 0;
02663    client->status = IKS_SHOW_AVAILABLE;
02664 
02665    if (flag) {
02666       client->authorized = 0;
02667       client->state = AJI_DISCONNECTED;
02668    }
02669    while (var) {
02670       if (!strcasecmp(var->name, "username"))
02671          ast_copy_string(client->user, var->value, sizeof(client->user));
02672       else if (!strcasecmp(var->name, "serverhost"))
02673          ast_copy_string(client->serverhost, var->value, sizeof(client->serverhost));
02674       else if (!strcasecmp(var->name, "secret"))
02675          ast_copy_string(client->password, var->value, sizeof(client->password));
02676       else if (!strcasecmp(var->name, "statusmessage"))
02677          ast_copy_string(client->statusmessage, var->value, sizeof(client->statusmessage));
02678       else if (!strcasecmp(var->name, "port"))
02679          client->port = atoi(var->value);
02680       else if (!strcasecmp(var->name, "timeout"))
02681          client->message_timeout = atoi(var->value);
02682       else if (!strcasecmp(var->name, "debug"))
02683          client->debug = (ast_false(var->value)) ? 0 : 1;
02684       else if (!strcasecmp(var->name, "type")) {
02685          if (!strcasecmp(var->value, "component"))
02686             client->component = 1;
02687       } else if (!strcasecmp(var->name, "usetls")) {
02688          client->usetls = (ast_false(var->value)) ? 0 : 1;
02689       } else if (!strcasecmp(var->name, "usesasl")) {
02690          client->usesasl = (ast_false(var->value)) ? 0 : 1;
02691       } else if (!strcasecmp(var->name, "forceoldssl"))
02692          client->forcessl = (ast_false(var->value)) ? 0 : 1;
02693       else if (!strcasecmp(var->name, "keepalive"))
02694          client->keepalive = (ast_false(var->value)) ? 0 : 1;
02695       else if (!strcasecmp(var->name, "autoprune"))
02696          ast_set2_flag(&client->flags, ast_true(var->value), AJI_AUTOPRUNE);
02697       else if (!strcasecmp(var->name, "autoregister"))
02698          ast_set2_flag(&client->flags, ast_true(var->value), AJI_AUTOREGISTER);
02699       else if (!strcasecmp(var->name, "buddy"))
02700          aji_create_buddy((char *)var->value, client);
02701       else if (!strcasecmp(var->name, "priority"))
02702          client->priority = atoi(var->value);
02703       else if (!strcasecmp(var->name, "status")) {
02704          if (!strcasecmp(var->value, "unavailable"))
02705             client->status = IKS_SHOW_UNAVAILABLE;
02706          else
02707          if (!strcasecmp(var->value, "available")
02708           || !strcasecmp(var->value, "online"))
02709             client->status = IKS_SHOW_AVAILABLE;
02710          else
02711          if (!strcasecmp(var->value, "chat")
02712           || !strcasecmp(var->value, "chatty"))
02713             client->status = IKS_SHOW_CHAT;
02714          else
02715          if (!strcasecmp(var->value, "away"))
02716             client->status = IKS_SHOW_AWAY;
02717          else
02718          if (!strcasecmp(var->value, "xa")
02719           || !strcasecmp(var->value, "xaway"))
02720             client->status = IKS_SHOW_XA;
02721          else
02722          if (!strcasecmp(var->value, "dnd"))
02723             client->status = IKS_SHOW_DND;
02724          else
02725          if (!strcasecmp(var->value, "invisible"))
02726          #ifdef IKS_SHOW_INVISIBLE
02727             client->status = IKS_SHOW_INVISIBLE;
02728          #else
02729          {
02730             ast_log(LOG_WARNING, "Your iksemel doesn't support invisible status: falling back to DND\n");
02731             client->status = IKS_SHOW_DND;
02732          }
02733          #endif
02734          else
02735             ast_log(LOG_WARNING, "Unknown presence status: %s\n", var->value);
02736       }
02737    /* no transport support in this version */
02738    /* else if (!strcasecmp(var->name, "transport"))
02739             aji_create_transport(var->value, client);
02740    */
02741       var = var->next;
02742    }
02743    if (!flag) {
02744       ASTOBJ_UNLOCK(client);
02745       ASTOBJ_UNREF(client, aji_client_destroy);
02746       return 1;
02747    }
02748 
02749    ast_copy_string(client->name_space, (client->component) ? "jabber:component:accept" : "jabber:client", sizeof(client->name_space));
02750    client->p = iks_stream_new(client->name_space, client, aji_act_hook);
02751    if (!client->p) {
02752       ast_log(LOG_ERROR, "Failed to create stream for client '%s'!\n", client->name);
02753       return 0;
02754    }
02755    client->stack = iks_stack_new(8192, 8192);
02756    if (!client->stack) {
02757       ast_log(LOG_ERROR, "Failed to allocate stack for client '%s'\n", client->name);
02758       return 0;
02759    }
02760    client->f = iks_filter_new();
02761    if (!client->f) {
02762       ast_log(LOG_ERROR, "Failed to create filter for client '%s'\n", client->name);
02763       return 0;
02764    }
02765    if (!strchr(client->user, '/') && !client->component) { /*client */
02766       resource = NULL;
02767       if (asprintf(&resource, "%s/asterisk", client->user) >= 0) {
02768          client->jid = iks_id_new(client->stack, resource);
02769          ast_free(resource);
02770       }
02771    } else
02772       client->jid = iks_id_new(client->stack, client->user);
02773    if (client->component) {
02774       iks_filter_add_rule(client->f, aji_dinfo_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE);
02775       iks_filter_add_rule(client->f, aji_ditems_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#items", IKS_RULE_DONE);
02776       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);
02777       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);
02778    } else {
02779       iks_filter_add_rule(client->f, aji_client_info_handler, client, IKS_RULE_NS, "http://jabber.org/protocol/disco#info", IKS_RULE_DONE);
02780    }
02781    if (!strchr(client->user, '/') && !client->component) { /*client */
02782       resource = NULL;
02783       if (asprintf(&resource, "%s/asterisk", client->user) >= 0) {
02784          client->jid = iks_id_new(client->stack, resource);
02785          ast_free(resource);
02786       }
02787    } else
02788       client->jid = iks_id_new(client->stack, client->user);
02789    iks_set_log_hook(client->p, aji_log_hook);
02790    ASTOBJ_UNLOCK(client);
02791    ASTOBJ_CONTAINER_LINK(&clients,client);
02792    return 1;
02793 }
02794 
02795 #if 0
02796 /*!
02797  * \brief creates transport.
02798  * \param label, buddy to dump it into. 
02799  * \return 0.
02800  */
02801 /* no connecting to transports today */
02802 static int aji_create_transport(char *label, struct aji_client *client)
02803 {
02804    char *server = NULL, *buddyname = NULL, *user = NULL, *pass = NULL;
02805    struct aji_buddy *buddy = NULL;
02806 
02807    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label);
02808    if (!buddy) {
02809       buddy = ast_calloc(1, sizeof(*buddy));
02810       if(!buddy) {
02811          ast_log(LOG_WARNING, "Out of memory\n");
02812          return 0;
02813       }
02814       ASTOBJ_INIT(buddy);
02815    }
02816    ASTOBJ_WRLOCK(buddy);
02817    server = label;
02818    if ((buddyname = strchr(label, ','))) {
02819       *buddyname = '\0';
02820       buddyname++;
02821       if (buddyname && buddyname[0] != '\0') {
02822          if ((user = strchr(buddyname, ','))) {
02823             *user = '\0';
02824             user++;
02825             if (user && user[0] != '\0') {
02826                if ((pass = strchr(user, ','))) {
02827                   *pass = '\0';
02828                   pass++;
02829                   ast_copy_string(buddy->pass, pass, sizeof(buddy->pass));
02830                   ast_copy_string(buddy->user, user, sizeof(buddy->user));
02831                   ast_copy_string(buddy->name, buddyname, sizeof(buddy->name));
02832                   ast_copy_string(buddy->server, server, sizeof(buddy->server));
02833                   return 1;
02834                }
02835             }
02836          }
02837       }
02838    }
02839    ASTOBJ_UNLOCK(buddy);
02840    ASTOBJ_UNMARK(buddy);
02841    ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
02842    return 0;
02843 }
02844 #endif
02845 
02846 /*!
02847  * \brief creates buddy.
02848  * \param label char.
02849  * \param client the configured XMPP client we use to connect to a XMPP server 
02850  * \return 1 on success, 0 on failure.
02851  */
02852 static int aji_create_buddy(char *label, struct aji_client *client)
02853 {
02854    struct aji_buddy *buddy = NULL;
02855    int flag = 0;
02856    buddy = ASTOBJ_CONTAINER_FIND(&client->buddies,label);
02857    if (!buddy) {
02858       flag = 1;
02859       buddy = ast_calloc(1, sizeof(*buddy));
02860       if(!buddy) {
02861          ast_log(LOG_WARNING, "Out of memory\n");
02862          return 0;
02863       }
02864       ASTOBJ_INIT(buddy);
02865    }
02866    ASTOBJ_WRLOCK(buddy);
02867    ast_copy_string(buddy->name, label, sizeof(buddy->name));
02868    ASTOBJ_UNLOCK(buddy);
02869    if(flag)
02870       ASTOBJ_CONTAINER_LINK(&client->buddies, buddy);
02871    else {
02872       ASTOBJ_UNMARK(buddy);
02873       ASTOBJ_UNREF(buddy, aji_buddy_destroy);
02874    }
02875    return 1;
02876 }
02877 
02878 /*!< load config file. \return 1. */
02879 static int aji_load_config(int reload)
02880 {
02881    char *cat = NULL;
02882    int debug = 1;
02883    struct ast_config *cfg = NULL;
02884    struct ast_variable *var = NULL;
02885    struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
02886 
02887    if ((cfg = ast_config_load(JABBER_CONFIG, config_flags)) == CONFIG_STATUS_FILEUNCHANGED)
02888       return -1;
02889 
02890    /* Reset flags to default value */
02891    ast_set_flag(&globalflags, AJI_AUTOREGISTER);
02892 
02893    if (!cfg) {
02894       ast_log(LOG_WARNING, "No such configuration file %s\n", JABBER_CONFIG);
02895       return 0;
02896    }
02897 
02898    cat = ast_category_browse(cfg, NULL);
02899    for (var = ast_variable_browse(cfg, "general"); var; var = var->next) {
02900       if (!strcasecmp(var->name, "debug")) {
02901          debug = (ast_false(ast_variable_retrieve(cfg, "general", "debug"))) ? 0 : 1;
02902       } else if (!strcasecmp(var->name, "autoprune")) {
02903          ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOPRUNE);
02904       } else if (!strcasecmp(var->name, "autoregister")) {
02905          ast_set2_flag(&globalflags, ast_true(var->value), AJI_AUTOREGISTER);
02906       }
02907    }
02908 
02909    while (cat) {
02910       if (strcasecmp(cat, "general")) {
02911             var = ast_variable_browse(cfg, cat);
02912             aji_create_client(cat, var, debug);
02913       }
02914       cat = ast_category_browse(cfg, cat);
02915    }
02916    ast_config_destroy(cfg); /* or leak memory */
02917    return 1;
02918 }
02919 
02920 /*!
02921  * \brief grab a aji_client structure by label name or JID 
02922  * (without the resource string)
02923  * \param name label or JID 
02924  * \return aji_client.
02925  */
02926 struct aji_client *ast_aji_get_client(const char *name)
02927 {
02928    struct aji_client *client = NULL;
02929    char *aux = NULL;
02930 
02931    client = ASTOBJ_CONTAINER_FIND(&clients, name);
02932    if (!client && strchr(name, '@')) {
02933       ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
02934          aux = ast_strdupa(iterator->user);
02935          if (strchr(aux, '/')) {
02936             /* strip resource for comparison */
02937             aux = strsep(&aux, "/");
02938          }
02939          if (!strncasecmp(aux, name, strlen(aux))) {
02940             client = iterator;
02941          }           
02942       });
02943    }
02944 
02945    return client;
02946 }
02947 
02948 struct aji_client_container *ast_aji_get_clients(void)
02949 {
02950    return &clients;
02951 }
02952 
02953 static char mandescr_jabber_send[] =
02954 "Description: Sends a message to a Jabber Client.\n"
02955 "Variables: \n"
02956 "  Jabber:  Client or transport Asterisk uses to connect to JABBER.\n"
02957 "  ScreenName: User Name to message.\n"
02958 "  Message: Message to be sent to the buddy\n";
02959 
02960 /*! 
02961  * \brief  Send a Jabber Message via call from the Manager 
02962  * \param s mansession Manager session
02963  * \param m message Message to send
02964  * \return  0
02965 */
02966 static int manager_jabber_send(struct mansession *s, const struct message *m)
02967 {
02968    struct aji_client *client = NULL;
02969    const char *id = astman_get_header(m,"ActionID");
02970    const char *jabber = astman_get_header(m,"Jabber");
02971    const char *screenname = astman_get_header(m,"ScreenName");
02972    const char *message = astman_get_header(m,"Message");
02973 
02974    if (ast_strlen_zero(jabber)) {
02975       astman_send_error(s, m, "No transport specified");
02976       return 0;
02977    }
02978    if (ast_strlen_zero(screenname)) {
02979       astman_send_error(s, m, "No ScreenName specified");
02980       return 0;
02981    }
02982    if (ast_strlen_zero(message)) {
02983       astman_send_error(s, m, "No Message specified");
02984       return 0;
02985    }
02986 
02987    astman_send_ack(s, m, "Attempting to send Jabber Message");
02988    client = ast_aji_get_client(jabber);
02989    if (!client) {
02990       astman_send_error(s, m, "Could not find Sender");
02991       return 0;
02992    }
02993    if (strchr(screenname, '@') && message) {
02994       ast_aji_send_chat(client, screenname, message);
02995       astman_append(s, "Response: Success\r\n");
02996    } else {
02997       astman_append(s, "Response: Error\r\n");
02998    }
02999    if (!ast_strlen_zero(id)) {
03000       astman_append(s, "ActionID: %s\r\n",id);
03001    }
03002    astman_append(s, "\r\n");
03003    return 0;
03004 }
03005 
03006 /*! \brief Reload the jabber module */
03007 static int aji_reload(int reload)
03008 {
03009    int res;
03010 
03011    ASTOBJ_CONTAINER_MARKALL(&clients);
03012    if (!(res = aji_load_config(reload))) {
03013       ast_log(LOG_ERROR, "JABBER: Failed to load config.\n");
03014       return 0;
03015    } else if (res == -1)
03016       return 1;
03017 
03018    ASTOBJ_CONTAINER_PRUNE_MARKED(&clients, aji_client_destroy);
03019    ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
03020       ASTOBJ_RDLOCK(iterator);
03021       if(iterator->state == AJI_DISCONNECTED) {
03022          if (!iterator->thread)
03023             ast_pthread_create_background(&iterator->thread, NULL, aji_recv_loop, iterator);
03024       } else if (iterator->state == AJI_CONNECTING)
03025          aji_get_roster(iterator);
03026       ASTOBJ_UNLOCK(iterator);
03027    });
03028    
03029    return 1;
03030 }
03031 
03032 /*! \brief Unload the jabber module */
03033 static int unload_module(void)
03034 {
03035 
03036    ast_cli_unregister_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry));
03037    ast_unregister_application(app_ajisend);
03038    ast_unregister_application(app_ajistatus);
03039    ast_manager_unregister("JabberSend");
03040    ast_custom_function_unregister(&jabberstatus_function);
03041    
03042    ASTOBJ_CONTAINER_TRAVERSE(&clients, 1, {
03043       ASTOBJ_RDLOCK(iterator);
03044       ast_debug(3, "JABBER: Releasing and disconnecting client: %s\n", iterator->name);
03045       iterator->state = AJI_DISCONNECTING;
03046       ast_aji_disconnect(iterator);
03047       pthread_join(iterator->thread, NULL);
03048       ASTOBJ_UNLOCK(iterator);
03049    });
03050 
03051    ASTOBJ_CONTAINER_DESTROYALL(&clients, aji_client_destroy);
03052    ASTOBJ_CONTAINER_DESTROY(&clients);
03053    return 0;
03054 }
03055 
03056 /*! \brief Unload the jabber module */
03057 static int load_module(void)
03058 {
03059    ASTOBJ_CONTAINER_INIT(&clients);
03060    if(!aji_reload(0))
03061       return AST_MODULE_LOAD_DECLINE;
03062    ast_manager_register2("JabberSend", EVENT_FLAG_SYSTEM, manager_jabber_send,
03063          "Sends a message to a Jabber Client", mandescr_jabber_send);
03064    ast_register_application(app_ajisend, aji_send_exec, ajisend_synopsis, ajisend_descrip);
03065    ast_register_application(app_ajistatus, aji_status_exec, ajistatus_synopsis, ajistatus_descrip);
03066    ast_cli_register_multiple(aji_cli, sizeof(aji_cli) / sizeof(struct ast_cli_entry));
03067    ast_custom_function_register(&jabberstatus_function);
03068 
03069    return 0;
03070 }
03071 
03072 /*! \brief Wrapper for aji_reload */
03073 static int reload(void)
03074 {
03075    aji_reload(1);
03076    return 0;
03077 }
03078 
03079 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "AJI - Asterisk Jabber Interface",
03080       .load = load_module,
03081       .unload = unload_module,
03082       .reload = reload,
03083           );

Generated on Thu Jul 9 13:40:39 2009 for Asterisk - the Open Source PBX by  doxygen 1.4.7