Mercurial > hg
view mcabber/src/jabglue.c @ 691:3c0a0a993de8
Implement IQ:time requests
author | Mikael Berthe <mikael@lilotux.net> |
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date | Thu, 09 Feb 2006 23:21:49 +0100 |
parents | 98de2d166a11 |
children | e98abd3ce28c |
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/* * jabglue.c -- Jabber protocol handling * * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net> * Parts come from the centericq project: * Copyright (C) 2002-2005 by Konstantin Klyagin <konst@konst.org.ua> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #define _GNU_SOURCE /* We need glibc for strptime */ #include "../libjabber/jabber.h" #include "jabglue.h" #include "jab_priv.h" #include "roster.h" #include "screen.h" #include "hooks.h" #include "utils.h" #include "settings.h" #include "hbuf.h" #include "histolog.h" #define JABBERPORT 5222 #define JABBERSSLPORT 5223 jconn jc; enum enum_jstate jstate; char imstatus2char[imstatus_size+1] = { '_', 'o', 'i', 'f', 'd', 'n', 'a', '\0' }; static time_t LastPingTime; static unsigned int KeepaliveDelay; static enum imstatus mystatus = offline; static gchar *mystatusmsg; static unsigned char online; static void statehandler(jconn, int); static void packethandler(jconn, jpacket); static void logger(jconn j, int io, const char *buf) { scr_LogPrint(LPRINT_DEBUG, "%03s: %s", ((io == 0) ? "OUT" : "IN"), buf); } // jidtodisp(jid) // Strips the resource part from the jid // The caller should g_free the result after use. char *jidtodisp(const char *jid) { char *ptr; char *alias; alias = g_strdup(jid); if ((ptr = strchr(alias, '/')) != NULL) { *ptr = 0; } return alias; } char *compose_jid(const char *username, const char *servername, const char *resource) { char *jid = g_new(char, 3 + strlen(username) + strlen(servername) + strlen(resource)); strcpy(jid, username); if (!strchr(jid, '@')) { strcat(jid, "@"); strcat(jid, servername); } strcat(jid, "/"); strcat(jid, resource); return jid; } inline unsigned char jb_getonline(void) { return online; } jconn jb_connect(const char *jid, const char *server, unsigned int port, int ssl, const char *pass) { char *utf8_jid; if (!port) { if (ssl) port = JABBERSSLPORT; else port = JABBERPORT; } jb_disconnect(); utf8_jid = to_utf8(jid); if (!utf8_jid) return jc; jc = jab_new(utf8_jid, (char*)pass, (char*)server, port, ssl); g_free(utf8_jid); /* These 3 functions can deal with a NULL jc, no worry... */ jab_logger(jc, logger); jab_packet_handler(jc, &packethandler); jab_state_handler(jc, &statehandler); if (jc && jc->user) { online = TRUE; jstate = STATE_CONNECTING; statehandler(0, -1); jab_start(jc); } return jc; } void jb_disconnect(void) { if (!jc) return; if (online) { // Announce it to everyone else jb_setstatus(offline, NULL, ""); // End the XML flow jb_send_raw("</stream:stream>"); } // Announce it to the user statehandler(jc, JCONN_STATE_OFF); jab_delete(jc); jc = NULL; } inline void jb_reset_keepalive() { time(&LastPingTime); } void jb_send_raw(const char *str) { if (jc && online && str) jab_send_raw(jc, str); } void jb_keepalive() { if (jc && online) jab_send_raw(jc, " \t "); jb_reset_keepalive(); } void jb_set_keepalive_delay(unsigned int delay) { KeepaliveDelay = delay; } void jb_main() { if (!online) { safe_usleep(10000); return; } if (jc && jc->state == JCONN_STATE_CONNECTING) { safe_usleep(75000); jab_start(jc); return; } jab_poll(jc, 50); if (jstate == STATE_CONNECTING) { if (jc) { iqs *iqn; xmlnode z; iqn = iqs_new(JPACKET__GET, NS_AUTH, "auth", IQS_DEFAULT_TIMEOUT); iqn->callback = &iqscallback_auth; z = xmlnode_insert_tag(xmlnode_get_tag(iqn->xmldata, "query"), "username"); xmlnode_insert_cdata(z, jc->user->user, (unsigned) -1); jab_send(jc, iqn->xmldata); jstate = STATE_GETAUTH; } if (!jc || jc->state == JCONN_STATE_OFF) { scr_LogPrint(LPRINT_LOGNORM, "Unable to connect to the server"); online = FALSE; } } if (!jc) { statehandler(jc, JCONN_STATE_OFF); } else if (jc->state == JCONN_STATE_OFF || jc->fd == -1) { statehandler(jc, JCONN_STATE_OFF); } // Keepalive if (KeepaliveDelay) { time_t now; time(&now); if (now > LastPingTime + KeepaliveDelay) jb_keepalive(); } } inline enum imstatus jb_getstatus() { return mystatus; } inline const char *jb_getstatusmsg() { return mystatusmsg; } static void roompresence(gpointer room, void *presencedata) { const char *jid; const char *nickname; char *to; struct T_presence *pres = presencedata; if (!buddy_getinsideroom(room)) return; jid = buddy_getjid(room); if (!jid) return; nickname = buddy_getnickname(room); if (!nickname) return; to = g_strdup_printf("%s/%s", jid, nickname); jb_setstatus(pres->st, to, pres->msg); g_free(to); } // presnew(status, recipient, message) // Create an xmlnode with default presence attributes // Note: the caller must free the node after use static xmlnode presnew(enum imstatus st, const char *recipient, const char *msg) { unsigned int prio; xmlnode x; gchar *utf8_recipient = to_utf8(recipient); x = jutil_presnew(JPACKET__UNKNOWN, 0, 0); if (utf8_recipient) { xmlnode_put_attrib(x, "to", utf8_recipient); g_free(utf8_recipient); } switch(st) { case away: xmlnode_insert_cdata(xmlnode_insert_tag(x, "show"), "away", (unsigned) -1); break; case dontdisturb: xmlnode_insert_cdata(xmlnode_insert_tag(x, "show"), "dnd", (unsigned) -1); break; case freeforchat: xmlnode_insert_cdata(xmlnode_insert_tag(x, "show"), "chat", (unsigned) -1); break; case notavail: xmlnode_insert_cdata(xmlnode_insert_tag(x, "show"), "xa", (unsigned) -1); break; case invisible: xmlnode_put_attrib(x, "type", "invisible"); break; case offline: xmlnode_put_attrib(x, "type", "unavailable"); break; default: break; } prio = settings_opt_get_int("priority"); if (prio) { char strprio[8]; snprintf(strprio, 8, "%u", prio); xmlnode_insert_cdata(xmlnode_insert_tag(x, "priority"), strprio, (unsigned) -1); } if (msg) { gchar *utf8_msg = to_utf8(msg); xmlnode_insert_cdata(xmlnode_insert_tag(x, "status"), utf8_msg, (unsigned) -1); g_free(utf8_msg); } return x; } void jb_setstatus(enum imstatus st, const char *recipient, const char *msg) { xmlnode x; struct T_presence room_presence; if (!online) return; if (msg) { // The status message has been specified. We'll use it, unless it is // "-" which is a special case (option meaning "no status message"). if (!strcmp(msg, "-")) msg = ""; } else { // No status message specified; we'll use: // a) the default status message (if provided by the user); // b) the current status message; // c) no status message (i.e. an empty one). msg = settings_get_status_msg(st); if (!msg) { if (mystatusmsg) msg = mystatusmsg; else msg = ""; } } x = presnew(st, recipient, (st != invisible ? msg : NULL)); jab_send(jc, x); xmlnode_free(x); // If we didn't change our _global_ status, we are done if (recipient) return; // Send presence to chatrooms if (st != invisible) { room_presence.st = st; room_presence.msg = msg; foreach_buddy(ROSTER_TYPE_ROOM, &roompresence, &room_presence); } // We'll need to update the roster if we switch to/from offline because // we don't know the presences of buddies when offline... if (mystatus == offline || st == offline) update_roster = TRUE; hk_mystatuschange(0, mystatus, st, (st != invisible ? msg : "")); mystatus = st; if (msg != mystatusmsg) { if (mystatusmsg) g_free(mystatusmsg); if (*msg) mystatusmsg = g_strdup(msg); else mystatusmsg = NULL; } } void jb_send_msg(const char *jid, const char *text, int type, const char *subject) { xmlnode x; gchar *strtype; gchar *utf8_jid; gchar *buffer; if (!online) return; if (type == ROSTER_TYPE_ROOM) strtype = TMSG_GROUPCHAT; else strtype = TMSG_CHAT; buffer = to_utf8(text); utf8_jid = to_utf8(jid); // Resource can require UTF-8 x = jutil_msgnew(strtype, utf8_jid, NULL, (char*)buffer); if (subject) { xmlnode y; char *bs = to_utf8(subject); y = xmlnode_insert_tag(x, "subject"); xmlnode_insert_cdata(y, bs, (unsigned) -1); if (bs) g_free(bs); } jab_send(jc, x); xmlnode_free(x); if (buffer) g_free(buffer); if (utf8_jid) g_free(utf8_jid); jb_reset_keepalive(); } // jb_subscr_send_auth(jid) // Allow jid to receive our presence updates void jb_subscr_send_auth(const char *jid) { xmlnode x; char *utf8_jid = to_utf8(jid); x = jutil_presnew(JPACKET__SUBSCRIBED, utf8_jid, NULL); jab_send(jc, x); xmlnode_free(x); g_free(utf8_jid); } // jb_subscr_cancel_auth(jid) // Cancel jid's subscription to our presence updates void jb_subscr_cancel_auth(const char *jid) { xmlnode x; char *utf8_jid = to_utf8(jid); x = jutil_presnew(JPACKET__UNSUBSCRIBED, utf8_jid, NULL); jab_send(jc, x); xmlnode_free(x); g_free(utf8_jid); } // jb_subscr_request_auth(jid) // Request a subscription to jid's presence updates void jb_subscr_request_auth(const char *jid) { xmlnode x; char *utf8_jid = to_utf8(jid); x = jutil_presnew(JPACKET__SUBSCRIBE, utf8_jid, NULL); jab_send(jc, x); xmlnode_free(x); g_free(utf8_jid); } // Note: the caller should check the jid is correct void jb_addbuddy(const char *jid, const char *name, const char *group) { xmlnode y, z; iqs *iqn; char *cleanjid; if (!online) return; cleanjid = jidtodisp(jid); // We don't check if the jabber user already exists in the roster, // because it allows to re-ask for notification. iqn = iqs_new(JPACKET__SET, NS_ROSTER, NULL, IQS_DEFAULT_TIMEOUT); y = xmlnode_insert_tag(xmlnode_get_tag(iqn->xmldata, "query"), "item"); xmlnode_put_attrib(y, "jid", cleanjid); if (name) { gchar *name_utf8 = to_utf8(name); xmlnode_put_attrib(y, "name", name_utf8); g_free(name_utf8); } if (group) { char *group_utf8 = to_utf8(group); z = xmlnode_insert_tag(y, "group"); xmlnode_insert_cdata(z, group_utf8, (unsigned) -1); g_free(group_utf8); } jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX jb_subscr_request_auth(cleanjid); roster_add_user(cleanjid, name, group, ROSTER_TYPE_USER, sub_pending); g_free(cleanjid); buddylist_build(); update_roster = TRUE; } void jb_delbuddy(const char *jid) { xmlnode x, y, z; iqs *iqn; char *cleanjid; if (!online) return; cleanjid = jidtodisp(jid); // If the current buddy is an agent, unsubscribe from it if (roster_gettype(cleanjid) == ROSTER_TYPE_AGENT) { scr_LogPrint(LPRINT_LOGNORM, "Unregistering from the %s agent", cleanjid); iqn = iqs_new(JPACKET__SET, NS_REGISTER, NULL, IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", cleanjid); y = xmlnode_get_tag(iqn->xmldata, "query"); xmlnode_insert_tag(y, "remove"); jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX } // Cancel the subscriptions x = jutil_presnew(JPACKET__UNSUBSCRIBED, cleanjid, 0); // Cancel "from" jab_send(jc, x); xmlnode_free(x); x = jutil_presnew(JPACKET__UNSUBSCRIBE, cleanjid, 0); // Cancel "to" jab_send(jc, x); xmlnode_free(x); // Ask for removal from roster iqn = iqs_new(JPACKET__SET, NS_ROSTER, NULL, IQS_DEFAULT_TIMEOUT); y = xmlnode_get_tag(iqn->xmldata, "query"); z = xmlnode_insert_tag(y, "item"); xmlnode_put_attrib(z, "jid", cleanjid); xmlnode_put_attrib(z, "subscription", "remove"); jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX roster_del_user(cleanjid); g_free(cleanjid); buddylist_build(); update_roster = TRUE; } void jb_updatebuddy(const char *jid, const char *name, const char *group) { xmlnode y; iqs *iqn; char *cleanjid; gchar *name_utf8; if (!online) return; // XXX We should check name's and group's correctness cleanjid = jidtodisp(jid); name_utf8 = to_utf8(name); iqn = iqs_new(JPACKET__SET, NS_ROSTER, NULL, IQS_DEFAULT_TIMEOUT); y = xmlnode_insert_tag(xmlnode_get_tag(iqn->xmldata, "query"), "item"); xmlnode_put_attrib(y, "jid", cleanjid); xmlnode_put_attrib(y, "name", name_utf8); if (group) { gchar *group_utf8 = to_utf8(group); y = xmlnode_insert_tag(y, "group"); xmlnode_insert_cdata(y, group_utf8, (unsigned) -1); g_free(group_utf8); } jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX g_free(name_utf8); g_free(cleanjid); } void jb_request_time(const char *fulljid) { request_time(fulljid); } // Join a MUC room void jb_room_join(const char *room, const char *nickname) { xmlnode x, y; gchar *roomid; GSList *room_elt; if (!online || !room) return; if (!nickname) return; roomid = g_strdup_printf("%s/%s", room, nickname); if (check_jid_syntax(roomid)) { scr_LogPrint(LPRINT_NORMAL, "<%s/%s> is not a valid Jabber room", room, nickname); g_free(roomid); return; } room_elt = roster_find(room, jidsearch, ROSTER_TYPE_USER|ROSTER_TYPE_ROOM); // Add room if it doesn't already exist if (!room_elt) { room_elt = roster_add_user(room, NULL, NULL, ROSTER_TYPE_ROOM, sub_none); } else { // Make sure this is a room (it can be a conversion user->room) buddy_settype(room_elt->data, ROSTER_TYPE_ROOM); } // If insideroom is TRUE, this is a nickname change and we don't care here if (!buddy_getinsideroom(room_elt->data)) { // We're trying to enter a room buddy_setnickname(room_elt->data, nickname); } // Send the XML request x = presnew(mystatus, roomid, mystatusmsg); y = xmlnode_insert_tag(x, "x"); xmlnode_put_attrib(y, "xmlns", "http://jabber.org/protocol/muc"); jab_send(jc, x); xmlnode_free(x); jb_reset_keepalive(); g_free(roomid); } // Unlock a MUC room // room syntax: "room@server" void jb_room_unlock(const char *room) { xmlnode y, z; iqs *iqn; if (!online || !room) return; iqn = iqs_new(JPACKET__SET, "http://jabber.org/protocol/muc#owner", "unlock", IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", room); y = xmlnode_get_tag(iqn->xmldata, "query"); z = xmlnode_insert_tag(y, "x"); xmlnode_put_attrib(z, "xmlns", "jabber:x:data"); xmlnode_put_attrib(z, "type", "submit"); jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX jb_reset_keepalive(); } // Destroy a MUC room // room syntax: "room@server" void jb_room_destroy(const char *room, const char *venue, const char *reason) { xmlnode y, z; iqs *iqn; if (!online || !room) return; iqn = iqs_new(JPACKET__SET, "http://jabber.org/protocol/muc#owner", "destroy", IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", room); y = xmlnode_get_tag(iqn->xmldata, "query"); z = xmlnode_insert_tag(y, "destroy"); if (venue && *venue) xmlnode_put_attrib(z, "jid", venue); if (reason) { gchar *utf8_reason = to_utf8(reason); y = xmlnode_insert_tag(z, "reason"); xmlnode_insert_cdata(y, utf8_reason, (unsigned) -1); g_free(utf8_reason); } jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX jb_reset_keepalive(); } // Change role or affiliation of a MUC user // room syntax: "room@server" // Either the jid or the nickname must be set (when banning, only the jid is // allowed) // ra: new role or affiliation // (ex. role none for kick, affil outcast for ban...) // The reason can be null // Return 0 if everything is ok int jb_room_setattrib(const char *roomid, const char *jid, const char *nick, struct role_affil ra, const char *reason) { xmlnode y, z; iqs *iqn; if (!online || !roomid) return 1; if (!jid && !nick) return 1; if (check_jid_syntax((char*)roomid)) { scr_LogPrint(LPRINT_NORMAL, "<%s> is not a valid Jabber id", roomid); return 1; } if (jid && check_jid_syntax((char*)jid)) { scr_LogPrint(LPRINT_NORMAL, "<%s> is not a valid Jabber id", jid); return 1; } if (ra.type == type_affil && ra.val.affil == affil_outcast && !jid) return 1; // Shouldn't happen (jid mandatory when banning) iqn = iqs_new(JPACKET__SET, "http://jabber.org/protocol/muc#admin", "roleaffil", IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", roomid); xmlnode_put_attrib(iqn->xmldata, "type", "set"); y = xmlnode_get_tag(iqn->xmldata, "query"); z = xmlnode_insert_tag(y, "item"); if (jid) { gchar *utf8_jid = to_utf8(jid); xmlnode_put_attrib(z, "jid", utf8_jid); if (utf8_jid) g_free(utf8_jid); } else { // nick gchar *utf8_nickname = to_utf8(nick); xmlnode_put_attrib(z, "nick", utf8_nickname); g_free(utf8_nickname); } if (ra.type == type_affil) xmlnode_put_attrib(z, "affiliation", straffil[ra.val.affil]); else if (ra.type == type_role) xmlnode_put_attrib(z, "role", strrole[ra.val.role]); if (reason) { gchar *utf8_reason = to_utf8(reason); y = xmlnode_insert_tag(z, "reason"); xmlnode_insert_cdata(y, utf8_reason, (unsigned) -1); g_free(utf8_reason); } jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX jb_reset_keepalive(); return 0; } // Invite a user to a MUC room // room syntax: "room@server" // reason can be null. void jb_room_invite(const char *room, const char *jid, const char *reason) { xmlnode x, y, z; gchar *utf8_jid; if (!online || !room || !jid) return; x = jutil_msgnew(NULL, (char*)room, NULL, NULL); y = xmlnode_insert_tag(x, "x"); xmlnode_put_attrib(y, "xmlns", "http://jabber.org/protocol/muc#user"); utf8_jid = to_utf8(jid); // Resource can require UTF-8 z = xmlnode_insert_tag(y, "invite"); xmlnode_put_attrib(z, "to", utf8_jid); if (utf8_jid) g_free(utf8_jid); if (reason) { gchar *utf8_reason = to_utf8(reason); y = xmlnode_insert_tag(z, "reason"); xmlnode_insert_cdata(y, utf8_reason, (unsigned) -1); g_free(utf8_reason); } jab_send(jc, x); xmlnode_free(x); jb_reset_keepalive(); } static void gotmessage(char *type, const char *from, const char *body, const char *enc, time_t timestamp) { char *jid; const char *rname; gchar *buffer = from_utf8(body); jid = jidtodisp(from); if (!buffer && body) { scr_LogPrint(LPRINT_NORMAL, "Decoding of message from <%s> has failed", from); scr_LogPrint(LPRINT_LOG, "Decoding of message from <%s> has failed: %s", from, body); scr_WriteIncomingMessage(jid, "Cannot display message: " "UTF-8 conversion failure", 0, HBB_PREFIX_ERR | HBB_PREFIX_IN); g_free(jid); return; } rname = strchr(from, '/'); if (rname) rname++; hk_message_in(jid, rname, timestamp, buffer, type); g_free(jid); g_free(buffer); } static const char *defaulterrormsg(int code) { const char *desc; switch(code) { case 401: desc = "Unauthorized"; break; case 302: desc = "Redirect"; break; case 400: desc = "Bad request"; break; case 402: desc = "Payment Required"; break; case 403: desc = "Forbidden"; break; case 404: desc = "Not Found"; break; case 405: desc = "Not Allowed"; break; case 406: desc = "Not Acceptable"; break; case 407: desc = "Registration Required"; break; case 408: desc = "Request Timeout"; break; case 409: desc = "Conflict"; break; case 500: desc = "Internal Server Error"; break; case 501: desc = "Not Implemented"; break; case 502: desc = "Remote Server Error"; break; case 503: desc = "Service Unavailable"; break; case 504: desc = "Remote Server Timeout"; break; default: desc = NULL; } return desc; } // display_server_error(x) // Display the error to the user // x: error tag xmlnode pointer void display_server_error(xmlnode x) { const char *desc = NULL; int code = 0; char *s; const char *p; /* RFC3920: * The <error/> element: * o MUST contain a child element corresponding to one of the defined * stanza error conditions specified below; this element MUST be * qualified by the 'urn:ietf:params:xml:ns:xmpp-stanzas' namespace. */ p = xmlnode_get_name(xmlnode_get_firstchild(x)); if (p) scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s]", p); // For backward compatibility if ((s = xmlnode_get_attrib(x, "code")) != NULL) { code = atoi(s); // Default message desc = defaulterrormsg(code); } // Error tag data is better, if available s = xmlnode_get_data(x); if (s && *s) desc = s; // And sometimes there is a text message s = xmlnode_get_tag_data(x, "text"); if (s && *s) desc = s; // FIXME utf8?? scr_LogPrint(LPRINT_LOGNORM, "Error code from server: %d %s", code, desc); } static void statehandler(jconn conn, int state) { static int previous_state = -1; scr_LogPrint(LPRINT_DEBUG, "StateHandler called (state=%d).", state); switch(state) { case JCONN_STATE_OFF: if (previous_state != JCONN_STATE_OFF) scr_LogPrint(LPRINT_LOGNORM, "[Jabber] Not connected to the server"); online = FALSE; mystatus = offline; if (mystatusmsg) { g_free(mystatusmsg); mystatusmsg = NULL; } roster_free(); update_roster = TRUE; scr_ShowBuddyWindow(); break; case JCONN_STATE_CONNECTED: scr_LogPrint(LPRINT_LOGNORM, "[Jabber] Connected to the server"); break; case JCONN_STATE_AUTH: scr_LogPrint(LPRINT_LOGNORM, "[Jabber] Authenticating to the server"); break; case JCONN_STATE_ON: scr_LogPrint(LPRINT_LOGNORM, "[Jabber] Communication with the server " "established"); online = TRUE; break; case JCONN_STATE_CONNECTING: if (previous_state != state) scr_LogPrint(LPRINT_LOGNORM, "[Jabber] Connecting to the server"); break; default: break; } previous_state = state; } inline static xmlnode xml_get_xmlns(xmlnode xmldata, const char *xmlns) { xmlnode x; char *p; x = xmlnode_get_firstchild(xmldata); for ( ; x; x = xmlnode_get_nextsibling(x)) { if ((p = xmlnode_get_name(x)) && !strcmp(p, "x")) if ((p = xmlnode_get_attrib(x, "xmlns")) && !strcmp(p, xmlns)) { break; } } return x; } static time_t xml_get_timestamp(xmlnode xmldata) { xmlnode x; char *p; x = xml_get_xmlns(xmldata, NS_DELAY); if ((p = xmlnode_get_attrib(x, "stamp")) != NULL) return from_iso8601(p, 1); return 0; } static void handle_presence_muc(const char *from, xmlnode xmldata, const char *roomjid, const char *rname, enum imstatus ust, char *ustmsg, time_t usttime, char bpprio) { xmlnode y; char *p; const char *m; enum imrole mbrole = role_none; enum imaffiliation mbaffil = affil_none; const char *mbjid = NULL, *mbnick = NULL; const char *actorjid = NULL, *reason = NULL; unsigned int statuscode = 0; GSList *room_elt; int log_muc_conf; log_muc_conf = settings_opt_get_int("log_muc_conf"); room_elt = roster_find(roomjid, jidsearch, 0); if (!room_elt) { // Add room if it doesn't already exist FIXME shouldn't happen! room_elt = roster_add_user(roomjid, NULL, NULL, ROSTER_TYPE_ROOM, sub_none); } else { // Make sure this is a room (it can be a conversion user->room) buddy_settype(room_elt->data, ROSTER_TYPE_ROOM); } // Get room member's information y = xmlnode_get_tag(xmldata, "item"); if (y) { xmlnode z; p = xmlnode_get_attrib(y, "affiliation"); if (p) { if (!strcmp(p, "owner")) mbaffil = affil_owner; else if (!strcmp(p, "admin")) mbaffil = affil_admin; else if (!strcmp(p, "member")) mbaffil = affil_member; else if (!strcmp(p, "outcast")) mbaffil = affil_outcast; else if (!strcmp(p, "none")) mbaffil = affil_none; else scr_LogPrint(LPRINT_LOGNORM, "<%s>: Unknown affiliation \"%s\"", from, p); } p = xmlnode_get_attrib(y, "role"); if (p) { if (!strcmp(p, "moderator")) mbrole = role_moderator; else if (!strcmp(p, "participant")) mbrole = role_participant; else if (!strcmp(p, "visitor")) mbrole = role_visitor; else if (!strcmp(p, "none")) mbrole = role_none; else scr_LogPrint(LPRINT_LOGNORM, "<%s>: Unknown role \"%s\"", from, p); } mbjid = xmlnode_get_attrib(y, "jid"); mbnick = xmlnode_get_attrib(y, "nick"); // For kick/ban, there can be actor and reason tags reason = xmlnode_get_tag_data(y, "reason"); z = xmlnode_get_tag(y, "actor"); if (z) actorjid = xmlnode_get_attrib(z, "jid"); } // Get the status code // 201: a room has been created // 301: the user has been banned from the room // 303: new room nickname // 307: the user has been kicked from the room // 321,322,332: the user has been removed from the room y = xmlnode_get_tag(xmldata, "status"); if (y) { p = xmlnode_get_attrib(y, "code"); if (p) statuscode = atoi(p); } // Check for nickname change if (statuscode == 303 && mbnick) { gchar *mbuf; gchar *newname_noutf8 = from_utf8(mbnick); if (!newname_noutf8) scr_LogPrint(LPRINT_LOG, "Decoding of new nickname has failed: %s", mbnick); mbuf = g_strdup_printf("%s is now known as %s", rname, (newname_noutf8 ? newname_noutf8 : "(?)")); scr_WriteIncomingMessage(roomjid, mbuf, usttime, HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG); if (log_muc_conf) hlog_write_message(roomjid, 0, FALSE, mbuf); g_free(mbuf); if (newname_noutf8) { buddy_resource_setname(room_elt->data, rname, newname_noutf8); m = buddy_getnickname(room_elt->data); if (m && !strcmp(rname, m)) buddy_setnickname(room_elt->data, newname_noutf8); g_free(newname_noutf8); } } // Check for departure/arrival if (!mbnick && mbrole == role_none) { gchar *mbuf; enum { leave=0, kick, ban } how = leave; bool we_left = FALSE; if (statuscode == 307) how = kick; else if (statuscode == 301) how = ban; // If this is a leave, check if it is ourself m = buddy_getnickname(room_elt->data); if (m && !strcmp(rname, m)) { we_left = TRUE; // _We_ have left! (kicked, banned, etc.) buddy_setinsideroom(room_elt->data, FALSE); buddy_setnickname(room_elt->data, NULL); buddy_del_all_resources(room_elt->data); buddy_settopic(room_elt->data, NULL); update_roster = TRUE; } // The message depends on _who_ left, and _how_ if (how) { gchar *mbuf_end; // Forced leave if (actorjid) { gchar *rsn_noutf8 = from_utf8(reason); if (!rsn_noutf8 && reason) { scr_LogPrint(LPRINT_NORMAL, "UTF-8 decoding of reason has failed"); scr_LogPrint(LPRINT_LOG, "UTF-8 decoding of reason has failed: %s", reason); } mbuf_end = g_strdup_printf("%s from %s by <%s>.\nReason: %s", (how == ban ? "banned" : "kicked"), roomjid, actorjid, (rsn_noutf8 ? rsn_noutf8 : "None given")); if (rsn_noutf8) g_free(rsn_noutf8); } else { mbuf_end = g_strdup_printf("%s from %s.", (how == ban ? "banned" : "kicked"), roomjid); } if (we_left) mbuf = g_strdup_printf("You have been %s", mbuf_end); else mbuf = g_strdup_printf("%s has been %s", rname, mbuf_end); g_free(mbuf_end); } else { // Natural leave if (we_left) { xmlnode destroynode = xmlnode_get_tag(xmldata, "destroy"); if (destroynode) { gchar *rsn_noutf8 = NULL; if ((reason = xmlnode_get_tag_data(destroynode, "reason"))) rsn_noutf8 = from_utf8(reason); if (rsn_noutf8) { mbuf = g_strdup_printf("You have left %s, " "the room has been destroyed: %s", roomjid, rsn_noutf8); g_free(rsn_noutf8); } else { mbuf = g_strdup_printf("You have left %s, " "the room has been destroyed", roomjid); } } else { mbuf = g_strdup_printf("You have left %s", roomjid); } } else { if (ustmsg) mbuf = g_strdup_printf("%s has left: %s", rname, ustmsg); else mbuf = g_strdup_printf("%s has left", rname); } } scr_WriteIncomingMessage(roomjid, mbuf, usttime, HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG); if (log_muc_conf) hlog_write_message(roomjid, 0, FALSE, mbuf); if (we_left) { scr_LogPrint(LPRINT_LOGNORM, "%s", mbuf); g_free(mbuf); return; } g_free(mbuf); } else if (buddy_getstatus(room_elt->data, rname) == offline && ust != offline) { gchar *mbuf; const char *ournick = buddy_getnickname(room_elt->data); if (!ournick) { // I think it shouldn't happen, but let's put a warning for a while... mbuf = g_strdup_printf("MUC ERR: you have no nickname, " "please send a bug report!"); scr_LogPrint(LPRINT_LOGNORM, mbuf); scr_WriteIncomingMessage(roomjid, mbuf, 0, HBB_PREFIX_INFO); g_free(mbuf); buddylist_build(); scr_DrawRoster(); return; } if (!buddy_getinsideroom(room_elt->data)) { // We weren't inside the room yet. Now we are. // However, this could be a presence packet from another room member buddy_setinsideroom(room_elt->data, TRUE); // Set the message flag unless we're already in the room buffer window scr_setmsgflag_if_needed(roomjid); // Add a message to the tracelog file mbuf = g_strdup_printf("You have joined %s as \"%s\"", roomjid, ournick); scr_LogPrint(LPRINT_LOGNORM, "%s", mbuf); g_free(mbuf); mbuf = g_strdup_printf("You have joined as \"%s\"", ournick); // The 1st presence message could be for another room member if (strcmp(ournick, rname)) { // Display current mbuf and create a new message for the member // Note: the usttime timestamp is related to the other member, // so we use 0 here. scr_WriteIncomingMessage(roomjid, mbuf, 0, HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG); if (log_muc_conf) hlog_write_message(roomjid, 0, FALSE, mbuf); g_free(mbuf); mbuf = g_strdup_printf("%s has joined", rname); } } else { if (strcmp(ournick, rname)) mbuf = g_strdup_printf("%s has joined", rname); else mbuf = NULL; } if (mbuf) { scr_WriteIncomingMessage(roomjid, mbuf, usttime, HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG); if (log_muc_conf) hlog_write_message(roomjid, 0, FALSE, mbuf); g_free(mbuf); } } // Update room member status if (rname) { gchar *mbrjid_noutf8 = from_utf8(mbjid); roster_setstatus(roomjid, rname, bpprio, ust, ustmsg, usttime, mbrole, mbaffil, mbrjid_noutf8); if (mbrjid_noutf8) g_free(mbrjid_noutf8); } else scr_LogPrint(LPRINT_LOGNORM, "MUC DBG: no rname!"); /* DBG */ buddylist_build(); scr_DrawRoster(); } static void handle_packet_presence(jconn conn, char *type, char *from, xmlnode xmldata) { char *p, *r; char *ustmsg; const char *rname; enum imstatus ust; char bpprio; time_t timestamp = 0; xmlnode muc_packet; rname = strchr(from, '/'); if (rname) rname++; r = jidtodisp(from); // Check for MUC presence packet muc_packet = xml_get_xmlns(xmldata, "http://jabber.org/protocol/muc#user"); if (type && !strcmp(type, TMSG_ERROR)) { xmlnode x; scr_LogPrint(LPRINT_LOGNORM, "Error presence packet from <%s>", r); if ((x = xmlnode_get_tag(xmldata, TMSG_ERROR)) != NULL) display_server_error(x); // Let's check it isn't a nickname conflict. // XXX Note: We should handle the <conflict/> string condition. if ((p = xmlnode_get_attrib(x, "code")) != NULL) { if (atoi(p) == 409) { // 409 = conlict (nickname is in use or registered by another user) // If we are not inside this room, we should reset the nickname GSList *room_elt = roster_find(r, jidsearch, 0); if (room_elt && !buddy_getinsideroom(room_elt->data)) buddy_setnickname(room_elt->data, NULL); } } g_free(r); return; } p = xmlnode_get_tag_data(xmldata, "priority"); if (p && *p) bpprio = (gchar)atoi(p); else bpprio = 0; ust = available; p = xmlnode_get_tag_data(xmldata, "show"); if (p) { if (!strcmp(p, "away")) ust = away; else if (!strcmp(p, "dnd")) ust = dontdisturb; else if (!strcmp(p, "xa")) ust = notavail; else if (!strcmp(p, "chat")) ust = freeforchat; } if (type && !strcmp(type, "unavailable")) ust = offline; ustmsg = NULL; p = xmlnode_get_tag_data(xmldata, "status"); if (p) { ustmsg = from_utf8(p); if (!ustmsg) scr_LogPrint(LPRINT_LOG, "Decoding of status message of <%s> has failed: %s", from, p); } // Timestamp? timestamp = xml_get_timestamp(xmldata); if (muc_packet) { // This is a MUC presence message handle_presence_muc(from, muc_packet, r, rname, ust, ustmsg, timestamp, bpprio); } else { // Not a MUC message, so this is a regular buddy... // Call hk_statuschange() if status has changed or if the // status message is different const char *m = roster_getstatusmsg(r, rname); if ((ust != roster_getstatus(r, rname)) || (!ustmsg && m && m[0]) || (ustmsg && (!m || strcmp(ustmsg, m)))) hk_statuschange(r, rname, bpprio, timestamp, ust, ustmsg); } g_free(r); if (ustmsg) g_free(ustmsg); } static void handle_packet_message(jconn conn, char *type, char *from, xmlnode xmldata) { char *p, *r, *s; xmlnode x; char *body=NULL; char *enc = NULL; char *tmp = NULL; time_t timestamp = 0; body = xmlnode_get_tag_data(xmldata, "body"); p = xmlnode_get_tag_data(xmldata, "subject"); if (p != NULL) { if (type && !strcmp(type, TMSG_GROUPCHAT)) { // Room topic GSList *roombuddy; gchar *mbuf; gchar *subj_noutf8 = from_utf8(p); if (!subj_noutf8) scr_LogPrint(LPRINT_LOG, "Decoding of room topic has failed: %s", p); // Get the room (s) and the nickname (r) s = g_strdup(from); r = strchr(s, '/'); if (r) *r++ = 0; else r = s; // Set the new topic roombuddy = roster_find(s, jidsearch, 0); if (roombuddy) buddy_settopic(roombuddy->data, subj_noutf8); // Display inside the room window if (r == s) { // No specific resource (this is certainly history) mbuf = g_strdup_printf("The topic has been set to: %s", (subj_noutf8 ? subj_noutf8 : "(?)")); } else { mbuf = g_strdup_printf("%s has set the topic to: %s", r, (subj_noutf8 ? subj_noutf8 : "(?)")); } scr_WriteIncomingMessage(s, mbuf, 0, HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG); if (settings_opt_get_int("log_muc_conf")) hlog_write_message(s, 0, FALSE, mbuf); if (subj_noutf8) g_free(subj_noutf8); g_free(s); g_free(mbuf); } else { // Chat message tmp = g_new(char, (body ? strlen(body) : 0) + strlen(p) + 4); *tmp = '['; strcpy(tmp+1, p); strcat(tmp, "]\n"); if (body) strcat(tmp, body); body = tmp; } } // Not used yet... x = xml_get_xmlns(xmldata, NS_ENCRYPTED); if (x && (p = xmlnode_get_data(x)) != NULL) { enc = p; } // Timestamp? timestamp = xml_get_timestamp(xmldata); if (type && !strcmp(type, TMSG_ERROR)) { if ((x = xmlnode_get_tag(xmldata, TMSG_ERROR)) != NULL) display_server_error(x); } if (from && body) gotmessage(type, from, body, enc, timestamp); if (tmp) g_free(tmp); } static void handle_packet_s10n(jconn conn, char *type, char *from, xmlnode xmldata) { char *r; char *buf; r = jidtodisp(from); if (!strcmp(type, "subscribe")) { /* The sender wishes to subscribe to our presence */ char *msg; int isagent; isagent = (roster_gettype(r) & ROSTER_TYPE_AGENT) != 0; msg = xmlnode_get_tag_data(xmldata, "status"); buf = g_strdup_printf("<%s> wants to subscribe to your presence updates", from); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); g_free(buf); if (msg) { char *msg_noutf8 = from_utf8(msg); if (msg_noutf8) { buf = g_strdup_printf("<%s> said: %s", from, msg_noutf8); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); replace_nl_with_dots(buf); scr_LogPrint(LPRINT_LOGNORM, buf); g_free(buf); g_free(msg_noutf8); } } // FIXME We accept everybody... jb_subscr_send_auth(from); buf = g_strdup_printf("<%s> is allowed to receive your presence updates", from); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); g_free(buf); } else if (!strcmp(type, "unsubscribe")) { /* The sender is unsubscribing from our presence */ jb_subscr_cancel_auth(from); buf = g_strdup_printf("<%s> is unsubscribing from your " "presence updates", from); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); g_free(buf); } else if (!strcmp(type, "subscribed")) { /* The sender has allowed us to receive their presence */ buf = g_strdup_printf("<%s> has allowed you to receive their " "presence updates", from); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); g_free(buf); } else if (!strcmp(type, "unsubscribed")) { /* The subscription request has been denied or a previously-granted subscription has been cancelled */ roster_unsubscribed(from); buf = g_strdup_printf("<%s> has cancelled your subscription to " "their presence updates", from); scr_WriteIncomingMessage(r, buf, 0, HBB_PREFIX_INFO); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); g_free(buf); } else { scr_LogPrint(LPRINT_LOGNORM, "Received unrecognized packet from <%s>, " "type=%s", from, (type ? type : "")); } g_free(r); } static void packethandler(jconn conn, jpacket packet) { char *p, *r, *s; const char *m; char *from=NULL, *type=NULL; jb_reset_keepalive(); // reset keepalive timeout jpacket_reset(packet); if (!packet->type) { scr_LogPrint(LPRINT_LOG, "Packet type = 0"); return; } p = xmlnode_get_attrib(packet->x, "type"); if (p) type = p; p = xmlnode_get_attrib(packet->x, "from"); if (p) { // Convert from UTF8 // We need to be careful because from_utf8() can fail on some chars // Thus we only convert the resource part from = g_new0(char, strlen(p)+1); strcpy(from, p); r = strchr(from, '/'); m = strchr(p, '/'); if (m++) { s = from_utf8(m); if (s) { // In some cases the allocated memory size could be too small because // when chars cannot be converted strings like "\uxxxx" or "\Uxxxxyyyy" // are used. if (strlen(r+1) < strlen(s)) { from = g_realloc(from, 1+m-p+strlen(s)); r = strchr(from, '/'); } strcpy(r+1, s); g_free(s); } else { *(r+1) = 0; scr_LogPrint(LPRINT_NORMAL, "Decoding of message sender has failed"); scr_LogPrint(LPRINT_LOG, "Decoding of message sender has failed: %s", m); } } } if (!from && packet->type != JPACKET_IQ) { scr_LogPrint(LPRINT_LOGNORM, "Error in packet (could be UTF8-related)"); return; } switch (packet->type) { case JPACKET_MESSAGE: handle_packet_message(conn, type, from, packet->x); break; case JPACKET_IQ: handle_packet_iq(conn, type, from, packet->x); break; case JPACKET_PRESENCE: handle_packet_presence(conn, type, from, packet->x); break; case JPACKET_S10N: handle_packet_s10n(conn, type, from, packet->x); break; default: scr_LogPrint(LPRINT_LOG, "Unhandled packet type (%d)", packet->type); } if (from) g_free(from); } /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */