Mercurial > hg
view mcabber/src/jab_iq.c @ 872:a0ddc43b421e
Don't stop when there is no configuration file
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Thu, 25 May 2006 22:39:37 +0200 |
parents | cb54c9d76853 |
children | 8bf36cef8aa6 |
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/* * jab_iq.c -- Jabber protocol IQ-related fonctions * * Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.lilotux.net> * Some parts initially came from the centericq project: * Copyright (C) 2002-2005 by Konstantin Klyagin <konst@konst.org.ua> * Some small parts come from the Gaim project <http://gaim.sourceforge.net/> * * 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 */ #include <sys/utsname.h> #include <glib.h> #include "jabglue.h" #include "jab_priv.h" #include "roster.h" #include "utils.h" #include "screen.h" #include "settings.h" #include "hbuf.h" static GSList *iqs_list; // iqs_new(type, namespace, prefix, timeout) // Create a query (GET, SET) IQ structure. This function should not be used // for RESULT packets. eviqs *iqs_new(guint8 type, const char *ns, const char *prefix, time_t timeout) { static guint iqs_idn; eviqs *new_iqs; time_t now_t; iqs_idn++; new_iqs = g_new0(eviqs, 1); time(&now_t); new_iqs->ts_create = now_t; if (timeout) new_iqs->ts_expire = now_t + timeout; new_iqs->type = type; new_iqs->xmldata = jutil_iqnew(type, (char*)ns); if (prefix) new_iqs->id = g_strdup_printf("%s_%d", prefix, iqs_idn); else new_iqs->id = g_strdup_printf("%d", iqs_idn); xmlnode_put_attrib(new_iqs->xmldata, "id", new_iqs->id); iqs_list = g_slist_append(iqs_list, new_iqs); return new_iqs; } int iqs_del(const char *iqid) { GSList *p; eviqs *i; if (!iqid) return 1; for (p = iqs_list; p; p = g_slist_next(p)) { i = p->data; if (!strcmp(iqid, i->id)) break; } if (p) { g_free(i->id); xmlnode_free(i->xmldata); g_free(i->data); g_free(i); iqs_list = g_slist_remove(iqs_list, p->data); return 0; // Ok, deleted } return -1; // Not found } static eviqs *iqs_find(const char *iqid) { GSList *p; eviqs *i; if (!iqid) return NULL; for (p = iqs_list; p; p = g_slist_next(p)) { i = p->data; if (!strcmp(iqid, i->id)) return i; } return NULL; } // iqs_callback(iqid, xml_result, iqcontext) // Callback processing for the iqid message. // If we've received an answer, xml_result should point to the xmldata packet. // If this is a timeout, xml_result should be NULL. // Return 0 in case of success, -1 if the iqid hasn't been found. int iqs_callback(const char *iqid, xmlnode xml_result, guint iqcontext) { eviqs *i; i = iqs_find(iqid); if (!i) return -1; // IQ processing // Note: If xml_result is NULL, this is a timeout if (i->callback) (*i->callback)(i, xml_result, iqcontext); iqs_del(iqid); return 0; } void iqs_check_timeout(time_t now_t) { GSList *p; eviqs *i; p = iqs_list; while (p) { i = p->data; // We must get next IQ eviqs element now because the current one // could be freed. p = g_slist_next(p); if ((!i->ts_expire && now_t > i->ts_create + IQS_MAX_TIMEOUT) || (i->ts_expire && now_t > i->ts_expire)) { iqs_callback(i->id, NULL, IQS_CONTEXT_TIMEOUT); } } } void jb_iqs_display_list(void) { GSList *p; eviqs *i; scr_LogPrint(LPRINT_LOGNORM, "IQ list:"); for (p = iqs_list; p; p = g_slist_next(p)) { i = p->data; scr_LogPrint(LPRINT_LOGNORM, "Id [%s]", i->id); } scr_LogPrint(LPRINT_LOGNORM, "End of IQ list."); } static void request_roster(void) { eviqs *iqn = iqs_new(JPACKET__GET, NS_ROSTER, "Roster", IQS_DEFAULT_TIMEOUT); jab_send(jc, iqn->xmldata); iqs_del(iqn->id); // XXX } static void handle_iq_roster(xmlnode x) { xmlnode y; const char *jid, *name, *group, *sub, *ask; char *cleanalias; enum subscr esub; int need_refresh = FALSE; guint roster_type; for (y = xmlnode_get_tag(x, "item"); y; y = xmlnode_get_nextsibling(y)) { jid = xmlnode_get_attrib(y, "jid"); name = xmlnode_get_attrib(y, "name"); sub = xmlnode_get_attrib(y, "subscription"); ask = xmlnode_get_attrib(y, "ask"); group = xmlnode_get_tag_data(y, "group"); if (!jid) continue; cleanalias = jidtodisp(jid); esub = sub_none; if (sub) { if (!strcmp(sub, "to")) esub = sub_to; else if (!strcmp(sub, "from")) esub = sub_from; else if (!strcmp(sub, "both")) esub = sub_both; else if (!strcmp(sub, "remove")) esub = sub_remove; } if (esub == sub_remove) { roster_del_user(cleanalias); scr_LogPrint(LPRINT_LOGNORM, "Buddy <%s> has been removed " "from the roster", cleanalias); g_free(cleanalias); need_refresh = TRUE; continue; } if (ask && !strcmp(ask, "subscribe")) esub |= sub_pending; if (!name) name = cleanalias; // Tricky... :-\ My guess is that if there is no '@', this is an agent if (strchr(cleanalias, '@')) roster_type = ROSTER_TYPE_USER; else roster_type = ROSTER_TYPE_AGENT; roster_add_user(cleanalias, name, group, roster_type, esub); g_free(cleanalias); } buddylist_build(); update_roster = TRUE; if (need_refresh) scr_ShowBuddyWindow(); } static void iqscallback_version(eviqs *iqp, xmlnode xml_result, guint iqcontext) { xmlnode ansqry; char *p, *p_noutf8; char *bjid; char *buf; // Leave now if we cannot process xml_result if (!xml_result || iqcontext) return; ansqry = xmlnode_get_tag(xml_result, "query"); if (!ansqry) { scr_LogPrint(LPRINT_LOGNORM, "Invalid IQ:version result!"); return; } // Display IQ result sender... p = xmlnode_get_attrib(xml_result, "from"); if (!p) { scr_LogPrint(LPRINT_LOGNORM, "Invalid IQ:version result (no sender name)."); return; } bjid = p; buf = g_strdup_printf("Received IQ:version result from <%s>", bjid); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); // bjid should now really be the "bare JID", let's strip the resource p = strchr(bjid, '/'); if (p) *p = '\0'; scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_INFO); g_free(buf); // Get result data... p = xmlnode_get_tag_data(ansqry, "name"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("Name: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } p = xmlnode_get_tag_data(ansqry, "version"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("Version: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } p = xmlnode_get_tag_data(ansqry, "os"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("OS: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } } void request_version(const char *fulljid) { eviqs *iqn; iqn = iqs_new(JPACKET__GET, NS_VERSION, "version", IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", fulljid); iqn->callback = &iqscallback_version; jab_send(jc, iqn->xmldata); } static void iqscallback_time(eviqs *iqp, xmlnode xml_result, guint iqcontext) { xmlnode ansqry; char *p, *p_noutf8; char *bjid; char *buf; // Leave now if we cannot process xml_result if (!xml_result || iqcontext) return; ansqry = xmlnode_get_tag(xml_result, "query"); if (!ansqry) { scr_LogPrint(LPRINT_LOGNORM, "Invalid IQ:time result!"); return; } // Display IQ result sender... p = xmlnode_get_attrib(xml_result, "from"); if (!p) { scr_LogPrint(LPRINT_LOGNORM, "Invalid IQ:time result (no sender name)."); return; } bjid = p; buf = g_strdup_printf("Received IQ:time result from <%s>", bjid); scr_LogPrint(LPRINT_LOGNORM, "%s", buf); // bjid should now really be the "bare JID", let's strip the resource p = strchr(bjid, '/'); if (p) *p = '\0'; scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_INFO); g_free(buf); // Get result data... p = xmlnode_get_tag_data(ansqry, "utc"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("UTC: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } p = xmlnode_get_tag_data(ansqry, "tz"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("TZ: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } p = xmlnode_get_tag_data(ansqry, "display"); if (p) { p_noutf8 = from_utf8(p); if (p_noutf8) { buf = g_strdup_printf("Time: %s", p_noutf8); scr_WriteIncomingMessage(bjid, buf, 0, HBB_PREFIX_NONE); g_free(p_noutf8); g_free(buf); } } } void request_time(const char *fulljid) { eviqs *iqn; iqn = iqs_new(JPACKET__GET, NS_TIME, "time", IQS_DEFAULT_TIMEOUT); xmlnode_put_attrib(iqn->xmldata, "to", fulljid); iqn->callback = &iqscallback_time; jab_send(jc, iqn->xmldata); } void iqscallback_auth(eviqs *iqp, xmlnode xml_result) { if (jstate == STATE_GETAUTH) { eviqs *iqn; if (xml_result) { xmlnode x = xmlnode_get_tag(xml_result, "query"); if (x && !xmlnode_get_tag(x, "digest")) jc->sid = 0; } iqn = iqs_new(JPACKET__SET, NS_AUTH, "auth", IQS_DEFAULT_TIMEOUT); iqn->callback = &iqscallback_auth; jab_auth_mcabber(jc, iqn->xmldata); jab_send(jc, iqn->xmldata); jstate = STATE_SENDAUTH; } else if (jstate == STATE_SENDAUTH) { request_roster(); jstate = STATE_LOGGED; } } static void handle_iq_result(jconn conn, char *from, xmlnode xmldata) { xmlnode x; char *id; char *ns; id = xmlnode_get_attrib(xmldata, "id"); if (!id) { scr_LogPrint(LPRINT_LOG, "IQ result stanza with no ID, ignored."); return; } if (!iqs_callback(id, xmldata, IQS_CONTEXT_RESULT)) return; /* if (!strcmp(id, "VCARDreq")) { x = xmlnode_get_firstchild(xmldata); if (!x) x = xmldata; scr_LogPrint(LPRINT_LOGNORM, "Got VCARD"); // TODO return; } else if (!strcmp(id, "versionreq")) { scr_LogPrint(LPRINT_LOGNORM, "Got version"); // TODO return; } */ x = xmlnode_get_tag(xmldata, "query"); if (!x) return; ns = xmlnode_get_attrib(x, "xmlns"); if (!ns) return; if (!strcmp(ns, NS_ROSTER)) { handle_iq_roster(x); // Post-login stuff // Usually we request the roster only at connection time // so we should be there only once. (That's ugly, however) jb_setstatus(available, NULL, NULL); } } static void handle_iq_version(jconn conn, char *from, const char *id, xmlnode xmldata) { xmlnode senderquery, x; xmlnode myquery; char *os = NULL; char *ver = mcabber_version(); // "from" has already been converted to user locale scr_LogPrint(LPRINT_LOGNORM, "Received an IQ version request from <%s>", from); senderquery = xmlnode_get_tag(xmldata, "query"); if (!settings_opt_get_int("iq_version_hide_os")) { struct utsname osinfo; uname(&osinfo); os = g_strdup_printf("%s %s %s", osinfo.sysname, osinfo.release, osinfo.machine); } x = jutil_iqnew(JPACKET__RESULT, NS_VERSION); xmlnode_put_attrib(x, "id", id); xmlnode_put_attrib(x, "to", xmlnode_get_attrib(xmldata, "from")); myquery = xmlnode_get_tag(x, "query"); xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "name"), PACKAGE_NAME, -1); xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "version"), ver, -1); if (os) { xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "os"), os, -1); g_free(os); } g_free(ver); jab_send(jc, x); xmlnode_free(x); } // This function borrows some code from the Gaim project static void handle_iq_time(jconn conn, char *from, const char *id, xmlnode xmldata) { xmlnode senderquery, x; xmlnode myquery; char *buf, *utf8_buf; time_t now_t; struct tm *now; time(&now_t); // "from" has already been converted to user locale scr_LogPrint(LPRINT_LOGNORM, "Received an IQ time request from <%s>", from); buf = g_new0(char, 512); senderquery = xmlnode_get_tag(xmldata, "query"); x = jutil_iqnew(JPACKET__RESULT, NS_TIME); xmlnode_put_attrib(x, "id", id); xmlnode_put_attrib(x, "to", xmlnode_get_attrib(xmldata, "from")); myquery = xmlnode_get_tag(x, "query"); now = gmtime(&now_t); strftime(buf, 512, "%Y%m%dT%T", now); xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "utc"), buf, -1); now = localtime(&now_t); strftime(buf, 512, "%Z", now); if ((utf8_buf = to_utf8(buf))) { xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "tz"), utf8_buf, -1); g_free(utf8_buf); } strftime(buf, 512, "%d %b %Y %T", now); if ((utf8_buf = to_utf8(buf))) { xmlnode_insert_cdata(xmlnode_insert_tag(myquery, "display"), utf8_buf, -1); g_free(utf8_buf); } jab_send(jc, x); xmlnode_free(x); g_free(buf); } // This function borrows some code from the Gaim project static void handle_iq_get(jconn conn, char *from, xmlnode xmldata) { const char *id, *ns; xmlnode x, y, z; guint iq_not_implemented = FALSE; id = xmlnode_get_attrib(xmldata, "id"); if (!id) { scr_LogPrint(LPRINT_LOG, "IQ get stanza with no ID, ignored."); return; } x = xmlnode_get_tag(xmldata, "query"); ns = xmlnode_get_attrib(x, "xmlns"); if (ns && !strcmp(ns, NS_VERSION)) { handle_iq_version(conn, from, id, xmldata); } else if (ns && !strcmp(ns, NS_TIME)) { handle_iq_time(conn, from, id, xmldata); } else { iq_not_implemented = TRUE; } if (!iq_not_implemented) return; // Not implemented. x = xmlnode_dup(xmldata); xmlnode_put_attrib(x, "to", xmlnode_get_attrib(xmldata, "from")); xmlnode_hide_attrib(x, "from"); xmlnode_put_attrib(x, "type", TMSG_ERROR); y = xmlnode_insert_tag(x, TMSG_ERROR); xmlnode_put_attrib(y, "code", "501"); xmlnode_put_attrib(y, "type", "cancel"); z = xmlnode_insert_tag(y, "feature-not-implemented"); xmlnode_put_attrib(z, "xmlns", NS_XMPP_STANZAS); jab_send(conn, x); xmlnode_free(x); } static void handle_iq_set(jconn conn, char *from, xmlnode xmldata) { const char *id, *ns; xmlnode x, y, z; guint iq_not_implemented = FALSE; id = xmlnode_get_attrib(xmldata, "id"); if (!id) scr_LogPrint(LPRINT_LOG, "IQ set stanza with no ID..."); x = xmlnode_get_tag(xmldata, "query"); ns = xmlnode_get_attrib(x, "xmlns"); if (ns && !strcmp(ns, NS_ROSTER)) { handle_iq_roster(x); } else { iq_not_implemented = TRUE; } if (!id) return; if (!iq_not_implemented) { x = xmlnode_new_tag("iq"); xmlnode_put_attrib(x, "to", xmlnode_get_attrib(xmldata, "from")); xmlnode_put_attrib(x, "type", "result"); xmlnode_put_attrib(x, "id", id); } else { /* Not implemented yet: send an error stanza */ x = xmlnode_dup(xmldata); xmlnode_put_attrib(x, "to", xmlnode_get_attrib(xmldata, "from")); xmlnode_hide_attrib(x, "from"); xmlnode_put_attrib(x, "type", "result"); xmlnode_put_attrib(x, "type", TMSG_ERROR); y = xmlnode_insert_tag(x, TMSG_ERROR); xmlnode_put_attrib(y, "code", "501"); xmlnode_put_attrib(y, "type", "cancel"); z = xmlnode_insert_tag(y, "feature-not-implemented"); xmlnode_put_attrib(z, "xmlns", NS_XMPP_STANZAS); } jab_send(conn, x); xmlnode_free(x); } void handle_packet_iq(jconn conn, char *type, char *from, xmlnode xmldata) { if (!type) return; if (!strcmp(type, "result")) { handle_iq_result(conn, from, xmldata); } else if (!strcmp(type, "get")) { handle_iq_get(conn, from, xmldata); } else if (!strcmp(type, "set")) { handle_iq_set(conn, from, xmldata); } else if (!strcmp(type, TMSG_ERROR)) { xmlnode x = xmlnode_get_tag(xmldata, TMSG_ERROR); if (x) display_server_error(x); iqs_callback(xmlnode_get_attrib(xmldata, "id"), NULL, IQS_CONTEXT_ERROR); } } /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */