+++ /dev/null
-/*
- * XMPP (Jabber) service for the Citadel system
- * Copyright (c) 2007-2011 by Art Cancro
- *
- * This program is open source 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 3 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 "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <ctype.h>
-#define SHOW_ME_VAPPEND_PRINTF
-#include <libcitadel.h>
-#include <expat.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "user_ops.h"
-#include "database.h"
-#include "msgbase.h"
-#include "internet_addressing.h"
-#include "md5.h"
-#include "ctdl_module.h"
-#include "serv_xmpp.h"
-
-/* XML_StopParser is present in expat 2.x */
-#if XML_MAJOR_VERSION > 1
-#define HAVE_XML_STOPPARSER
-#endif
-
-struct xmpp_event *xmpp_queue = NULL;
-HashList *XMPP_StartHandlers = NULL;
-HashList *XMPP_EndHandlers = NULL;
-HashList *XMPP_SupportedNamespaces = NULL;
-HashList *XMPP_NameSpaces = 0;
-HashList *FlatToken = NULL;
-
-int XMPPSrvDebugEnable = 0;
-
-void XUnbuffer(void)
-{
- citxmpp *Xmpp = XMPP;
-
- cputbuf(Xmpp->OutBuf);
- FlushStrBuf(Xmpp->OutBuf);
-}
-
-void XPutBody(const char *Str, long Len)
-{
- StrBufXMLEscAppend(XMPP->OutBuf, NULL, Str, Len, 0);
-}
-
-void XPutProp(const char *Str, long Len)
-{
- StrEscAppend(XMPP->OutBuf, NULL, Str, 0, 1);
-}
-
-void XPut(const char *Str, long Len)
-{
- StrBufAppendBufPlain(XMPP->OutBuf, Str, Len, 0);
-}
-
-void XPrintf(const char *Format, ...)
-{
- va_list arg_ptr;
- va_start(arg_ptr, Format);
- StrBufVAppendPrintf(XMPP->OutBuf, Format, arg_ptr);
- va_end(arg_ptr);
-}
-
-
-void XPrint(const char *Token, long tlen,
- int Flags,
- ...)
-
-{
- int BodySeen = 0;
- int ArgType;
- int Finished = 0;
- char *PName;
- long PLen;
- char *Val;
- long VLen;
- va_list arg_ptr;
-
- XPUT("<");
- XPut(Token, tlen);
-
- va_start(arg_ptr, Flags);
- while (!Finished)
- {
- ArgType = va_arg(arg_ptr, int);
- switch (ArgType)
- {
- case TYPE_STR:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPutProp(Val, VLen);
- XPUT("\"");
- break;
- case TYPE_OPTSTR:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- if (VLen > 0)
- {
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPutProp(Val, VLen);
- XPUT("\"");
- }
- break;
- case TYPE_INT:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- VLen = va_arg(arg_ptr, long);
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPrintf("%ld", VLen);
- XPUT("\"");
- break;
- case TYPE_BODYSTR:
- BodySeen = 1;
- XPUT(">");
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- XPutBody(Val, VLen);
- break;
- case TYPE_ARGEND:
- Finished = 1;
- break;
- }
- }
- if (Flags == XCLOSED)
- {
- if (BodySeen)
- {
- XPUT("</");
- XPut(Token, tlen);
- XPUT(">");
- }
- else
- {
- XPUT("></");
- XPut(Token, tlen);
- XPUT(">");
- }
- }
- else
- XPUT(">");
- va_end(arg_ptr);
-}
-
-#ifdef HAVE_XML_STOPPARSER
-/* Stop the parser if an entity declaration is hit. */
-static void xmpp_entity_declaration(void *userData, const XML_Char *entityName,
- int is_parameter_entity, const XML_Char *value,
- int value_length, const XML_Char *base,
- const XML_Char *systemId, const XML_Char *publicId,
- const XML_Char *notationName
-) {
- XMPPM_syslog(LOG_WARNING, "Illegal entity declaration encountered; stopping parser.");
- XML_StopParser(XMPP->xp, XML_FALSE);
-}
-#endif
-
-/*
- * We have just received a <stream> tag from the client, so send them ours
- */
-void xmpp_stream_start(void *data, const char *supplied_el, const char **attr)
-{
- citxmpp *Xmpp = XMPP;
-
- while (*attr) {
- if (!strcasecmp(attr[0], "to")) {
- safestrncpy(Xmpp->server_name, attr[1], sizeof Xmpp->server_name);
- }
- attr += 2;
- }
-
- XPUT("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
-
- XPUT("<stream:stream ");
- XPUT("from=\"");
- XPutProp(Xmpp->server_name, strlen(Xmpp->server_name));
- XPUT("\" id=\"");
- XPrintf("%08x\" ", CC->cs_pid);
- XPUT("version=\"1.0\" "
- "xmlns:stream=\"http://etherx.jabber.org/streams\" "
- "xmlns=\"jabber:client\">"
- /* The features of this stream are... */
- "<stream:features>");
-
- /*
- * TLS encryption (but only if it isn't already active)
- */
-/*
-#ifdef HAVE_OPENSSL
- if (!CC->redirect_ssl) {
- XPUT("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'></starttls>");
- }
-#endif
-*/
- if (!CC->logged_in) {
- /* If we're not logged in yet, offer SASL as our feature set */
- xmpp_output_auth_mechs();
-
- /* Also offer non-SASL authentication */
- XPUT("<auth xmlns=\"http://jabber.org/features/iq-auth\"/>");
- }
-
- /* Offer binding and sessions as part of our feature set */
- XPUT("<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"/>"
- "<session xmlns=\"urn:ietf:params:xml:ns:xmpp-session\"/>"
- "</stream:features>");
-
- CC->is_async = 1; /* XMPP sessions are inherently async-capable */
-}
-
-void xmpp_start_query(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->iq_query_xmlns[0] = 0;
- safestrncpy(XMPP->iq_query_xmlns, supplied_el, sizeof XMPP->iq_query_xmlns);
-}
-
-void xmpp_start_bind(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->bind_requested = 1;
-}
-
-void xmpp_start_iq(void *data, const char *supplied_el, const char **attr)
-{
-/*
- int i;
- for (i=0; attr[i] != NULL; i+=2) {
- if (!strcasecmp(attr[i], "type")) {
- safestrncpy(XMPP->iq_type, attr[i+1], sizeof XMPP->iq_type);
- }
- else if (!strcasecmp(attr[i], "id")) {
- safestrncpy(XMPP->iq_id, attr[i+1], sizeof XMPP->iq_id);
- }
- else if (!strcasecmp(attr[i], "from")) {
- safestrncpy(XMPP->iq_from, attr[i+1], sizeof XMPP->iq_from);
- }
- else if (!strcasecmp(attr[i], "to")) {
- safestrncpy(XMPP->iq_to, attr[i+1], sizeof XMPP->iq_to);
- }
- }
-*/
-}
-
-void xmpp_start_auth(void *data, const char *supplied_el, const char **attr)
-{
- int i;
-
- XMPP->sasl_auth_mech[0] = 0;
- for (i=0; attr[i] != NULL; i+=2) {
- if (!strcasecmp(attr[i], "mechanism")) {
- safestrncpy(XMPP->sasl_auth_mech, attr[i+1], sizeof XMPP->sasl_auth_mech);
- }
- }
-}
-
-void xmpp_start_message(void *data, const char *supplied_el, const char **attr)
-{
- int i;
-
- for (i=0; attr[i] != NULL; i+=2) {
- if (!strcasecmp(attr[i], "to")) {
- safestrncpy(XMPP->message_to, attr[i+1], sizeof XMPP->message_to);
- }
- }
-}
-
-void xmpp_start_html(void *data, const char *supplied_el, const char **attr)
-{
- ++XMPP->html_tag_level;
-}
-
-void xmpp_xml_start(void *data, const char *supplied_el, const char **attr)
-{
- HashList *ThisNamespace = NULL;
- const char *pToken;
- const char *pch;
- const char *NS = NULL;
- long NSLen;
- long len;
- void *pv;
-
- /* Axe the namespace, we don't care about it */
- pToken = supplied_el;
- pch = strchr(pToken, ':');
- while (pch != NULL)
- {
- pToken = pch;
- pch = strchr(pToken + 1, ':');
- }
-
- if (*pToken == ':')
- {
- NS = supplied_el;
- NSLen = pToken - supplied_el;
- if (GetHash(XMPP_NameSpaces, NS, NSLen, &pv))
- {
- ThisNamespace = pv;
-
- }
-
- pToken ++;
- }
-
- len = strlen(pToken);
-
-
- if (ThisNamespace != NULL)
- {
- if (GetHash(ThisNamespace, pToken, len, &pv))
- {
- TokenHandler *th;
- void *value;
- long i = 0;
-
- th = (TokenHandler*) pv;
- value = th->GetToken();
-
- while (attr[i] != NULL)
- {
-
- if (GetHash(th->Properties, attr[i], strlen(attr[i]), &pv))
- {
- PropertyHandler* ph = pv;
- char *val;
- StrBuf **pVal;
- long len;
-
- len = strlen(attr[i+1]);
- val = value;
- val += ph->offset;
- pVal = (StrBuf**) val;
- if (*pVal != NULL)
- StrBufPlain(*pVal, attr[i+1], len);
- else
- *pVal = NewStrBufPlain(attr[i+1], len);
- }
- i+=2;
- }
- return;
- }
-
- }
- /*
- XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT START: <%s>\n", el);
- for (i=0; attr[i] != NULL; i+=2) {
- XMPP_syslog(LOG_DEBUG, " Attribute '%s' = '%s'\n", attr[i], attr[i+1]);
- }
- uncomment for more verbosity */
-
- if (GetHash(XMPP_StartHandlers, pToken, len, &pv))
- {
- xmpp_handler *h;
- h = (xmpp_handler*) pv;
- h->Handler(data, supplied_el, attr);
- }
-}
-
-void xmpp_end_resource(void *data, const char *supplied_el, const char **attr)
-{
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_resource, XMPP->chardata,
- sizeof XMPP->iq_client_resource);
- striplt(XMPP->iq_client_resource);
- }
-}
-
-void xmpp_end_username(void *data, const char *supplied_el, const char **attr)
-{
- /* NON SASL ONLY */
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_username, XMPP->chardata,
- sizeof XMPP->iq_client_username);
- striplt(XMPP->iq_client_username);
- }
-}
-
-void xmpp_end_password(void *data, const char *supplied_el, const char **attr)
-{ /* NON SASL ONLY */
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_password, XMPP->chardata,
- sizeof XMPP->iq_client_password);
- striplt(XMPP->iq_client_password);
- }
-}
-
-void xmpp_end_iq(void *data, const char *supplied_el, const char **attr)
-{
- citxmpp *Xmpp = XMPP;
-
- /*
- * iq type="get" (handle queries)
- */
- if (!strcasecmp(ChrPtr(Xmpp->IQ.type), "get"))
- {
- /*
- * Query on a namespace
- */
- if (!IsEmptyStr(Xmpp->iq_query_xmlns)) {
- xmpp_query_namespace(&Xmpp->IQ, Xmpp->iq_query_xmlns);
- }
-
- /*
- * ping ( http://xmpp.org/extensions/xep-0199.html )
- */
- else if (Xmpp->ping_requested) {
- XPUT("<iq type=\"result\" ");
- if (StrLength(Xmpp->IQ.from) > 0) {
- XPUT("to=\"");
- XPutSProp(Xmpp->IQ.from);
- XPUT("\" ");
- }
- if (StrLength(Xmpp->IQ.to)>0) {
- XPUT("from=\"");
- XPutSProp(Xmpp->IQ.to);
- XPUT("\" ");
- }
- XPUT("id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\"/>");
- }
-
- /*
- * Unknown query ... return the XML equivalent of a blank stare
- */
- else {
-/*
- Xmpp_syslog(LOG_DEBUG,
- "Unknown query <%s> - returning <service-unavailable/>\n",
- el
- );
-*/
- XPUT("<iq type=\"error\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "<error code=\"503\" type=\"cancel\">"
- "<service-unavailable xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"/>"
- "</error>"
- "</iq>");
- }
- }
-
- /*
- * Non SASL authentication
- */
- else if (
- (!strcasecmp(ChrPtr(Xmpp->IQ.type), "set"))
- && (!strcasecmp(Xmpp->iq_query_xmlns, "jabber:iq:auth:query"))
- ) {
-
- xmpp_non_sasl_authenticate(
- Xmpp->IQ.id,
- Xmpp->iq_client_username,
- Xmpp->iq_client_password,
- Xmpp->iq_client_resource
- );
- }
-
- /*
- * If this <iq> stanza was a "bind" attempt, process it ...
- */
- else if (
- (Xmpp->bind_requested)
- && (StrLength(Xmpp->IQ.id)>0)
- && (!IsEmptyStr(Xmpp->iq_client_resource))
- && (CC->logged_in)
- ) {
-
- /* Generate the "full JID" of the client resource */
-
- snprintf(Xmpp->client_jid, sizeof Xmpp->client_jid,
- "%s/%s",
- CC->cs_inet_email,
- Xmpp->iq_client_resource
- );
-
- /* Tell the client what its JID is */
-
- XPUT("<iq type=\"result\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\">");
- XPUT("<jid>");
- XPutBody(Xmpp->client_jid, strlen(Xmpp->client_jid));
- XPUT("</jid>"
- "</bind>"
- "</iq>");
- }
-
- else if (Xmpp->iq_session) {
- XPUT("<iq type=\"result\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "</iq>");
- }
-
- else {
- XPUT("<iq type=\"error\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">");
- XPUT("<error>Don't know howto do '");
- XPutBody(SKEY(Xmpp->IQ.type));
- XPUT("'!</error>"
- "</iq>");
- }
-
- /* Now clear these fields out so they don't get used by a future stanza */
- FlushStrBuf(Xmpp->IQ.id);
- FlushStrBuf(Xmpp->IQ.from);
- FlushStrBuf(Xmpp->IQ.to);
- FlushStrBuf(Xmpp->IQ.type);
- Xmpp->iq_client_resource[0] = 0;
- Xmpp->iq_session = 0;
- Xmpp->iq_query_xmlns[0] = 0;
- Xmpp->bind_requested = 0;
- Xmpp->ping_requested = 0;
-}
-
-
-void xmpp_end_auth(void *data, const char *supplied_el, const char **attr)
-{
- /* Try to authenticate (this function is responsible for the output stanza) */
- xmpp_sasl_auth(XMPP->sasl_auth_mech, (XMPP->chardata != NULL ? XMPP->chardata : "") );
-
- /* Now clear these fields out so they don't get used by a future stanza */
- XMPP->sasl_auth_mech[0] = 0;
-}
-
-void xmpp_end_session(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->iq_session = 1;
-}
-
-void xmpp_end_body(void *data, const char *supplied_el, const char **attr)
-{
- if (XMPP->html_tag_level == 0)
- {
- if (XMPP->message_body != NULL)
- {
- free(XMPP->message_body);
- XMPP->message_body = NULL;
- }
- if (XMPP->chardata_len > 0) {
- XMPP->message_body = strdup(XMPP->chardata);
- }
- }
-}
-
-void xmpp_end_html(void *data, const char *supplied_el, const char **attr)
-{
- --XMPP->html_tag_level;
-}
-
-void xmpp_end_starttls(void *data, const char *supplied_el, const char **attr)
-{
-#ifdef HAVE_OPENSSL
- XPUT("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
- XUnbuffer();
- CtdlModuleStartCryptoMsgs(NULL, NULL, NULL);
- if (!CC->redirect_ssl) CC->kill_me = KILLME_NO_CRYPTO;
-#else
- XPUT("<failure xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
- CC->kill_me = KILLME_NO_CRYPTO;
-#endif
-}
-
-void xmpp_end_ping(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->ping_requested = 1;
-}
-
-void xmpp_end_stream(void *data, const char *supplied_el, const char **attr)
-{
- XMPPM_syslog(LOG_DEBUG, "XMPP client shut down their stream\n");
- xmpp_massacre_roster();
- XPUT("</stream>\n");
- CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
-}
-
-void xmpp_xml_end(void *data, const char *supplied_el)
-{
- const char *pToken;
- const char *pch;
- long len;
- void *pv;
-
- /* Axe the namespace, we don't care about it */
- pToken = supplied_el;
- pch = strchr(pToken, ':');
- while (pch != NULL)
- {
- pToken = pch;
- pch = strchr(pToken + 1, ':');
- }
-
- if (*pToken == ':')
- pToken ++;
-
- len = strlen(pToken);
-
- /*
- XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT END : <%s>\n", el);
- if (XMPP->chardata_len > 0) {
- XMPP_syslog(LOG_DEBUG, " chardata: %s\n", XMPP->chardata);
- }
- uncomment for more verbosity */
-
- if (GetHash(XMPP_EndHandlers, pToken, len, &pv))
- {
- xmpp_handler *h;
- h = (xmpp_handler*) pv;
- h->Handler(data, supplied_el, NULL);
- }
- else
- {
- XMPP_syslog(LOG_DEBUG, "Ignoring unknown tag <%s>\n", pToken);
- }
-
- XMPP->chardata_len = 0;
- if (XMPP->chardata_alloc > 0) {
- XMPP->chardata[0] = 0;
- }
-}
-
-
-void xmpp_xml_chardata(void *data, const XML_Char *s, int len)
-{
- citxmpp *X = XMPP;
-
- if (X->chardata_alloc == 0) {
- X->chardata_alloc = SIZ;
- X->chardata = malloc(X->chardata_alloc);
- }
- if ((X->chardata_len + len + 1) > X->chardata_alloc) {
- X->chardata_alloc = X->chardata_len + len + 1024;
- X->chardata = realloc(X->chardata, X->chardata_alloc);
- }
- memcpy(&X->chardata[X->chardata_len], s, len);
- X->chardata_len += len;
- X->chardata[X->chardata_len] = 0;
-}
-
-
-/*
- * This cleanup function blows away the temporary memory and files used by the XMPP service.
- */
-void xmpp_cleanup_function(void) {
-
- /* Don't do this stuff if this is not a XMPP session! */
- if (CC->h_command_function != xmpp_command_loop) return;
-
- if (XMPP->chardata != NULL) {
- free(XMPP->chardata);
- XMPP->chardata = NULL;
- XMPP->chardata_len = 0;
- XMPP->chardata_alloc = 0;
- if (XMPP->message_body != NULL) {
- free(XMPP->message_body);
- }
- }
- free_buf_iq(&XMPP->IQ);
-
- XML_ParserFree(XMPP->xp);
- FreeStrBuf(&XMPP->OutBuf);
- free(XMPP);
-}
-
-
-
-/*
- * Here's where our XMPP session begins its happy day.
- */
-void xmpp_greeting(void) {
- client_set_inbound_buf(4);
- strcpy(CC->cs_clientname, "XMPP session");
- CC->session_specific_data = malloc(sizeof(citxmpp));
- memset(XMPP, 0, sizeof(citxmpp));
- XMPP->last_event_processed = queue_event_seq;
- XMPP->OutBuf = NewStrBufPlain(NULL, SIZ);
- /* XMPP does not use a greeting, but we still have to initialize some things. */
-
- XMPP->xp = XML_ParserCreateNS("UTF-8", ':');
- if (XMPP->xp == NULL) {
- XMPPM_syslog(LOG_ALERT, "Cannot create XML parser!\n");
- CC->kill_me = KILLME_XML_PARSER;
- return;
- }
-
- XML_SetElementHandler(XMPP->xp, xmpp_xml_start, xmpp_xml_end);
- XML_SetCharacterDataHandler(XMPP->xp, xmpp_xml_chardata);
- // XML_SetUserData(XMPP->xp, something...);
-
- /* Prevent the "billion laughs" attack against expat by disabling
- * internal entity expansion. With 2.x, forcibly stop the parser
- * if an entity is declared - this is safer and a more obvious
- * failure mode. With older versions, simply prevent expansion
- * of such entities. */
-#ifdef HAVE_XML_STOPPARSER
- XML_SetEntityDeclHandler(XMPP->xp, xmpp_entity_declaration);
-#else
- XML_SetDefaultHandler(XMPP->xp, NULL);
-#endif
-
- CC->can_receive_im = 1; /* This protocol is capable of receiving instant messages */
- XUnbuffer();
-}
-
-
-/*
- * Main command loop for XMPP sessions.
- */
-void xmpp_command_loop(void) {
- int rc;
- StrBuf *stream_input = NewStrBuf();
-
- time(&CC->lastcmd);
- rc = client_read_random_blob(stream_input, 30);
- if (rc > 0) {
- XML_Parse(XMPP->xp, ChrPtr(stream_input), rc, 0);
- }
- else {
- XMPPM_syslog(LOG_ERR, "client disconnected: ending session.\n");
- CC->kill_me = KILLME_CLIENT_DISCONNECTED;
- }
- FreeStrBuf(&stream_input);
- XUnbuffer();
-}
-
-
-/*
- * Async loop for XMPP sessions (handles the transmission of unsolicited stanzas)
- */
-void xmpp_async_loop(void) {
- xmpp_process_events();
- xmpp_output_incoming_messages();
-}
-
-
-/*
- * Login hook for XMPP sessions
- */
-void xmpp_login_hook(void) {
- xmpp_queue_event(XMPP_EVT_LOGIN, CC->cs_inet_email);
-}
-
-
-/*
- * Logout hook for XMPP sessions
- */
-void xmpp_logout_hook(void) {
- xmpp_queue_event(XMPP_EVT_LOGOUT, CC->cs_inet_email);
-}
-
-
-void LogXMPPSrvDebugEnable(const int n)
-{
- XMPPSrvDebugEnable = n;
-}
-const char *CitadelServiceXMPP="XMPP";
-extern void xmpp_cleanup_events(void);
-
-
-
-/******************************************************************************
- * XMPP handler registering logic *
- ******************************************************************************/
-
-void AddXMPPStartHandler(const char *key,
- long len,
- xmpp_handler_func Handler,
- int Flags)
-{
- xmpp_handler *h;
- h = (xmpp_handler*) malloc(sizeof (xmpp_handler));
- h->Flags = Flags;
- h->Handler = Handler;
- Put(XMPP_StartHandlers, key, len, h, NULL);
-}
-
-void AddXMPPEndHandler(const char *key,
- long len,
- xmpp_handler_func Handler,
- int Flags)
-{
- xmpp_handler *h;
- h = (xmpp_handler*) malloc(sizeof (xmpp_handler));
- h->Flags = Flags;
- h->Handler = Handler;
- Put(XMPP_EndHandlers, key, len, h, NULL);
-}
-
-void HFreePropertyHandler(void *FreeMe)
-{
- free(FreeMe);
-}
-
-void HDeleteTokenHandler(void *FreeMe)
-{
- TokenHandler *th = (TokenHandler *) FreeMe;
- DeleteHash(&th->Properties);
- free(th);
-}
-
-void XMPP_RegisterTokenProperty(const char *NS, long NSLen,
- const char *Token, long TLen,
- const char *Property, long PLen,
- GetTokenDataFunc GetToken,
- long offset)
-{
- void *pv;
- HashList *ThisNamespace = NULL;
- PropertyHandler *h;
- TokenHandler *th;
-
- h = (PropertyHandler*) malloc(sizeof(PropertyHandler));
- h->NameSpace = NS;
- h->NameSpaceLen = NSLen;
- h->Token = Token;
- h->TokenLen = TLen;
- h->Property = Property;
- h->PropertyLen = PLen;
- h->offset = offset;
-
- if (!GetHash(XMPP_SupportedNamespaces, NS, NSLen, &pv))
- {
- Put(XMPP_SupportedNamespaces, NS, NSLen, NewStrBufPlain(NS, NSLen), HFreeStrBuf);
- }
-
-
- if (GetHash(XMPP_NameSpaces, NS, NSLen, &pv))
- {
- ThisNamespace = pv;
- }
- else
- {
- ThisNamespace = NewHash(1, NULL);
- Put(XMPP_NameSpaces, NS, NSLen, ThisNamespace, HDeleteHash);
- }
-
- if (GetHash(ThisNamespace, Token, TLen, &pv))
- {
- th = pv;
- }
- else
- {
- th = (TokenHandler*) malloc (sizeof(TokenHandler));
- th->GetToken = GetToken;
- th->Properties = NewHash(1, NULL);
- Put(ThisNamespace, Token, TLen, th, HDeleteTokenHandler);
- }
-
- Put(th->Properties, Property, PLen, h, HFreePropertyHandler);
- /*
- if (!GetHash(FlatToken, Token, TLen, &pv))
- {
- // todo mark pv as non uniq
- Put(FlatToken, Token, TLen, ThisToken, reference_free_handler);
- }
- */
-}
-
-
-
-CTDL_MODULE_INIT(xmpp)
-{
- if (!threading) {
- CtdlRegisterServiceHook(config.c_xmpp_c2s_port,
- NULL,
- xmpp_greeting,
- xmpp_command_loop,
- xmpp_async_loop,
- CitadelServiceXMPP);
-
-
- XMPP_StartHandlers = NewHash(1, NULL);
- XMPP_EndHandlers = NewHash(1, NULL);
- XMPP_NameSpaces = NewHash(1, NULL);
- XMPP_SupportedNamespaces = NewHash(1, NULL);
- FlatToken = NewHash(1, NULL);
-
- AddXMPPEndHandler(HKEY("resource"), xmpp_end_resource, 0);
- AddXMPPEndHandler(HKEY("username"), xmpp_end_username, 0);
- AddXMPPEndHandler(HKEY("password"), xmpp_end_password, 0);
- AddXMPPEndHandler(HKEY("iq"), xmpp_end_iq, 0);
- AddXMPPEndHandler(HKEY("auth"), xmpp_end_auth, 0);
- AddXMPPEndHandler(HKEY("session"), xmpp_end_session, 0);
- AddXMPPEndHandler(HKEY("body"), xmpp_end_body, 0);
- AddXMPPEndHandler(HKEY("html"), xmpp_end_html, 0);
- AddXMPPEndHandler(HKEY("starttls"), xmpp_end_starttls, 0);
- AddXMPPEndHandler(HKEY("ping"), xmpp_end_ping, 0);
- AddXMPPEndHandler(HKEY("stream"), xmpp_end_stream, 0);
-
- AddXMPPStartHandler(HKEY("stream"), xmpp_stream_start, 0);
- AddXMPPStartHandler(HKEY("query"), xmpp_start_query, 0);
- AddXMPPStartHandler(HKEY("bind"), xmpp_start_bind, 0);
- AddXMPPStartHandler(HKEY("iq"), xmpp_start_iq, 0);
- AddXMPPStartHandler(HKEY("auth"), xmpp_start_auth, 0);
- AddXMPPStartHandler(HKEY("message"), xmpp_start_message, 0);
- AddXMPPStartHandler(HKEY("html"), xmpp_start_html, 0);
-
-
- CtdlRegisterDebugFlagHook(HKEY("serv_xmpp"), LogXMPPSrvDebugEnable, &XMPPSrvDebugEnable);
- CtdlRegisterSessionHook(xmpp_cleanup_function, EVT_STOP, PRIO_STOP + 70);
- CtdlRegisterSessionHook(xmpp_login_hook, EVT_LOGIN, PRIO_LOGIN + 90);
- CtdlRegisterSessionHook(xmpp_logout_hook, EVT_LOGOUT, PRIO_LOGOUT + 90);
- CtdlRegisterSessionHook(xmpp_login_hook, EVT_UNSTEALTH, PRIO_UNSTEALTH + 1);
- CtdlRegisterSessionHook(xmpp_logout_hook, EVT_STEALTH, PRIO_STEALTH + 1);
- CtdlRegisterCleanupHook(xmpp_cleanup_events);
- }
-
- /* return our module name for the log */
- return "xmpp";
-}
-
-
projects / citadel.git / blobdiff