2 Copyright (C) 2005 Georgia Public Library Service
3 Bill Erickson <billserickson@gmail.com>
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
16 #include "osrf_chat.h"
21 static int osrfChatXMLErrorOcurred = 0;
22 static int osrfChatClientSentDisconnect = 0;
24 /* shorter version of strcmp */
25 static int eq(const char* a, const char* b) { return (a && b && !strcmp(a,b)); }
26 //#define eq(a,b) ((a && b && !strcmp(a,b)) ? 1 : 0)
28 /* gnarly debug function */
29 static void chatdbg( osrfChatServer* server ) {
32 return; /* heavy logging, should only be used in heavy debug mode */
34 growing_buffer* buf = buffer_init(256);
36 buffer_add(buf, "---------------------------------------------------------------------\n");
41 "Named nodes in hash: %lu\n"
45 "-------------------------------------------------------\n",
46 osrfListGetCount(server->nodeList), osrfHashGetCount(server->nodeHash),
47 server->domain, server->port, server->s2sport );
49 osrfListIterator* itr = osrfNewListIterator(server->nodeList);
52 while( (node = osrfListIteratorNext(itr)) ) {
66 "-------------------------------------------------------\n",
67 node->sockid, node->remote, node->state, node->xmlstate, node->inparse,
68 node->to, node->resource, node->username, node->domain, node->authkey, node->type );
71 osrfLogDebug( OSRF_LOG_MARK, "DEBUG:\n%s", buf->buf );
73 osrfListIteratorFree(itr);
76 osrfChatServer* osrfNewChatServer( char* domain, char* secret, int s2sport ) {
77 if(!(domain && secret)) return NULL;
79 osrfChatServer* server = safe_malloc(sizeof(osrfChatServer));
81 server->nodeHash = osrfNewHash();
82 server->nodeList = osrfNewList();
83 server->deadNodes = osrfNewList();
84 server->nodeList->freeItem = &osrfChatNodeFree;
85 server->domain = strdup(domain);
86 server->secret = strdup(secret);
87 server->s2sport = s2sport;
90 // Build socket manager
91 server->mgr = safe_malloc(sizeof(socket_manager));
92 server->mgr->data_received = &osrfChatHandleData;
93 server->mgr->blob = server;
94 server->mgr->on_socket_closed = &osrfChatSocketClosed;
99 void osrfChatCleanupClients( osrfChatServer* server ) {
101 osrfListFree(server->deadNodes);
102 server->deadNodes = osrfNewList();
107 osrfChatNode* osrfNewChatNode( int sockid, char* domain ) {
108 if(sockid < 1 || !domain) return NULL;
109 osrfChatNode* node = safe_malloc(sizeof(osrfChatNode));
110 node->state = OSRF_CHAT_STATE_NONE;
111 node->msgs = NULL; /* only s2s nodes cache messages */
112 node->parserCtx = xmlCreatePushParserCtxt(osrfChatSaxHandler, node, "", 0, NULL);
113 node->msgDoc = xmlNewDoc(BAD_CAST "1.0");
114 node->domain = strdup(domain);
115 xmlKeepBlanksDefault(0);
116 node->authkey = NULL;
117 node->username = NULL;
118 node->resource = NULL;
125 osrfChatNode* osrfNewChatS2SNode( char* domain, char* remote ) {
126 if(!(domain && remote)) return NULL;
127 osrfChatNode* n = osrfNewChatNode( 1, domain );
128 n->state = OSRF_CHAT_STATE_S2S_CHALLENGE;
130 n->remote = strdup(remote);
131 n->msgs = osrfNewList();
132 n->msgs->freeItem = &osrfChatS2SMessageFree;
137 void osrfChatS2SMessageFree(void* n) { free(n); }
139 void osrfChatNodeFree( void* node ) {
141 osrfChatNode* n = (osrfChatNode*) node;
143 /* we can't free messages that are mid-parse because the
144 we can't free the parser context */
147 osrfListPush(n->parent->deadNodes, n);
158 osrfListFree(n->msgs);
161 xmlFreeDoc(n->parserCtx->myDoc);
162 xmlFreeParserCtxt(n->parserCtx);
165 xmlFreeDoc(n->msgDoc);
171 int osrfChatServerConnect( osrfChatServer* cs, int port, int s2sport, char* listenAddr ) {
172 if(!(cs && port && listenAddr)) return -1;
174 cs->s2sport = s2sport;
175 if( socket_open_tcp_server(cs->mgr, port, listenAddr ) < 0 )
177 if( socket_open_tcp_server(cs->mgr, s2sport, listenAddr ) < 0 )
183 int osrfChatServerWait( osrfChatServer* server ) {
184 if(!server) return -1;
186 if(socket_wait_all(server->mgr, -1) < 0)
187 osrfLogWarning( OSRF_LOG_MARK, "jserver_wait(): socket_wait_all() returned error");
193 void osrfChatServerFree(osrfChatServer* server ) {
195 osrfHashFree(server->nodeHash);
196 osrfListFree(server->nodeList);
197 osrfListFree(server->deadNodes);
199 free(server->domain);
200 free(server->secret);
206 void osrfChatHandleData( void* cs,
207 socket_manager* mgr, int sockid, char* data, int parent_id ) {
209 if(!(cs && mgr && sockid && data)) return;
211 osrfChatServer* server = (osrfChatServer*) cs;
213 osrfChatNode* node = osrfListGetIndex( server->nodeList, sockid );
216 osrfLogDebug( OSRF_LOG_MARK, "Found node for sockid %d with state %d", sockid, node->state);
219 osrfLogDebug( OSRF_LOG_MARK, "Adding new connection for sockid %d", sockid );
220 node = osrfChatAddNode( server, sockid );
224 if( (osrfChatPushData( server, node, data ) == -1) ) {
225 osrfLogError( OSRF_LOG_MARK,
226 "Node at socket %d with remote address %s and destination %s, "
227 "received bad XML [%s], disconnecting...", sockid, node->remote, node->to, data );
228 osrfChatSendRaw( node, OSRF_CHAT_PARSE_ERROR );
229 osrfChatRemoveNode( server, node );
233 osrfChatCleanupClients(server); /* clean up old dead clients */
237 void osrfChatSocketClosed( void* blob, int sockid ) {
239 osrfChatServer* server = (osrfChatServer*) blob;
240 osrfChatNode* node = osrfListGetIndex(server->nodeList, sockid);
241 osrfChatRemoveNode( server, node );
244 osrfChatNode* osrfChatAddNode( osrfChatServer* server, int sockid ) {
245 if(!(server && sockid)) return NULL;
246 osrfChatNode* node = osrfNewChatNode(sockid, server->domain);
247 node->parent = server;
248 node->sockid = sockid;
249 osrfListSet( server->nodeList, node, sockid );
253 void osrfChatRemoveNode( osrfChatServer* server, osrfChatNode* node ) {
254 if(!(server && node)) return;
255 socket_disconnect(server->mgr, node->sockid);
257 osrfHashRemove( server->nodeHash, node->remote );
258 osrfListRemove( server->nodeList, node->sockid ); /* this will free it */
261 int osrfChatSendRaw( osrfChatNode* node, char* msgXML ) {
262 if(!(node && msgXML)) return -1;
263 /* wait at most 3 second for this client to take our data */
264 return socket_send_timeout( node->sockid, msgXML, 3000000 );
267 void osrfChatNodeFinish( osrfChatServer* server, osrfChatNode* node ) {
268 if(!(server && node)) return;
269 osrfChatSendRaw( node, "</stream:stream>");
270 osrfChatRemoveNode( server, node );
274 int osrfChatSend( osrfChatServer* cs, osrfChatNode* node, char* toAddr, char* fromAddr, char* msgXML ) {
275 if(!(cs && node && toAddr && msgXML)) return -1;
277 int l = strlen(toAddr);
280 jid_get_domain( toAddr, dombuf, l );
282 if( eq( dombuf, cs->domain ) ) { /* this is to a user we host */
284 osrfLogInfo( OSRF_LOG_MARK, "Sending message on local connection\nfrom: %s\nto: %s", fromAddr, toAddr );
285 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, toAddr);
288 /* if we can't send to the recipient (recipient is gone or too busy,
289 * we drop the recipient and inform the sender that the recipient
291 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
293 osrfChatRemoveNode( cs, tonode );
294 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
296 osrfLogError( OSRF_LOG_MARK, "Node failed to function. "
297 "Responding to caller with error: %s", toAddr);
300 if( osrfChatSendRaw( node, xml ) < 0 ) {
301 osrfLogError(OSRF_LOG_MARK, "Sending node is now gone..removing");
302 osrfChatRemoveNode( cs, node );
309 /* send an error message saying we don't have this connection */
310 osrfLogInfo( OSRF_LOG_MARK, "We have no connection for %s", toAddr);
311 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
312 if( osrfChatSendRaw( node, xml ) < 0 )
313 osrfChatRemoveNode( cs, node );
319 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, dombuf);
321 if( tonode->state == OSRF_CHAT_STATE_CONNECTED ) {
322 osrfLogDebug( OSRF_LOG_MARK, "Routing message to server %s", dombuf);
324 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
325 osrfLogError( OSRF_LOG_MARK, "Node failed to function: %s", toAddr);
326 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
327 if( osrfChatSendRaw( node, xml ) < 0 )
328 osrfChatRemoveNode( cs, node );
330 osrfChatRemoveNode( cs, tonode );
334 osrfLogInfo( OSRF_LOG_MARK, "Received s2s message and we're still trying to connect...caching");
335 osrfListPush( tonode->msgs, strdup(msgXML) );
340 if( osrfChatInitS2S( cs, dombuf, toAddr, msgXML ) != 0 ) {
341 osrfLogWarning( OSRF_LOG_MARK, "We are unable to connect to remote server %s for recipient %s", dombuf, toAddr);
342 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
343 osrfChatSendRaw( node, xml );
354 void osrfChatCacheS2SMessage( char* toAddr, char* msgXML, osrfChatNode* snode ) {
355 if(!(toAddr && msgXML)) return;
356 osrfChatS2SMessage* msg = safe_malloc(sizeof(osrfChatS2SMessage));
357 msg->toAddr = strdup(toAddr);
358 msg->msgXML = strdup(msgXML);
359 osrfLogInfo( OSRF_LOG_MARK, "Pushing client message onto s2s queue waiting for connect... ");
360 osrfListPush( snode->msgs, msgXML );
365 int osrfChatInitS2S( osrfChatServer* cs, char* remote, char* toAddr, char* msgXML ) {
366 if(!(cs && remote && toAddr && msgXML)) return -1;
368 osrfLogInfo( OSRF_LOG_MARK, "Initing server2server connection to domain %s", remote );
369 osrfChatNode* snode = osrfNewChatS2SNode( cs->domain, remote );
372 /* try to connect to the remote site */
373 snode->sockid = socket_open_tcp_client(cs->mgr, cs->s2sport, remote);
374 if(snode->sockid < 1) {
375 osrfLogWarning( OSRF_LOG_MARK, "Unable to connect to remote server at %s", remote );
379 /* store the message we were supposed to deliver until we're fully connected */
380 //osrfChatCacheS2SMessage( toAddr, msgXML, snode );
381 osrfListPush( snode->msgs, strdup(msgXML) );
382 osrfHashSet(cs->nodeHash, snode, remote );
383 osrfListSet(cs->nodeList, snode, snode->sockid );
385 /* send the initial s2s request */
386 osrfChatSendRaw( snode, OSRF_CHAT_S2S_INIT );
388 osrfLogDebug( OSRF_LOG_MARK, "Added new s2s node...");
395 /* commence SAX handling code */
397 int osrfChatPushData( osrfChatServer* server, osrfChatNode* node, char* data ) {
398 if(!(node && data)) return -1;
402 osrfLogDebug( OSRF_LOG_MARK, "pushing data into xml parser for node %d with state %d:\n%s",
403 node->sockid, node->state, data);
405 xmlParseChunk(node->parserCtx, data, strlen(data), 0);
408 if(osrfChatXMLErrorOcurred) {
409 osrfChatXMLErrorOcurred = 0;
413 /* we can't do cleanup of the XML handlers while in the middle of a
414 data push, so set flags in the data push and doe the cleanup here */
416 if(osrfChatClientSentDisconnect) {
417 osrfChatClientSentDisconnect = 0;
418 osrfChatNodeFinish( server, node );
426 void osrfChatStartStream( void* blob ) {
427 osrfLogDebug( OSRF_LOG_MARK, "Starting new client stream...");
431 void osrfChatStartElement( void* blob, const xmlChar *name, const xmlChar **atts ) {
432 if(!(blob && name)) return;
433 osrfChatNode* node = (osrfChatNode*) blob;
436 char* nm = (char*) name;
438 osrfLogDebug( OSRF_LOG_MARK, "Starting element %s with namespace %s and node state %d",
439 nm, xmlSaxAttr(atts, "xmlns"), node->state );
441 switch( node->state ) {
443 case OSRF_CHAT_STATE_NONE:
444 status = osrfChatHandleNewConnection( node, nm, atts );
445 osrfLogDebug( OSRF_LOG_MARK, "After NewConnection we have state %d", node->state);
448 case OSRF_CHAT_STATE_CONNECTING:
449 status = osrfChatHandleConnecting( node, nm, atts );
452 case OSRF_CHAT_STATE_CONNECTED:
453 status = osrfChatHandleConnected( node, nm, atts );
456 case OSRF_CHAT_STATE_S2S_CHALLENGE:
457 status = osrfChatHandleS2SChallenge( node, nm, atts );
460 case OSRF_CHAT_STATE_S2S_RESPONSE: /* server waiting for client response to challenge */
461 if(eq(nm, "db:result")) {
462 char* remote = xmlSaxAttr(atts, "from");
463 if(remote) node->remote = strdup(remote); /* copy off the client's id */
465 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
469 case OSRF_CHAT_STATE_S2S_VERIFY: /* client : waiting for server verify message */
470 if(eq(nm, "db:verify")) {
471 char* id = xmlSaxAttr( atts, "id" );
473 char* xml = va_list_to_string( OSRF_CHAT_S2S_VERIFY_RESPONSE,
474 node->remote, node->domain, id );
475 osrfChatSendRaw( node, xml );
477 node->state = OSRF_CHAT_STATE_S2S_VERIFY_FINAL;
483 case OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE: /* server waiting for client verify response */
484 case OSRF_CHAT_STATE_S2S_VERIFY_FINAL: /* client waitig for final verify */
485 status = osrfChatHandleS2SConnected( node, nm, atts );
491 osrfChatParseError( node, "We don't know how to handle the XML data received" );
494 #define CHAT_CHECK_VARS(x,y,z) if(!(x && y)) return -1; if(z) osrfLogDebug( OSRF_LOG_MARK, z);
498 int osrfChatHandleS2SConnected( osrfChatNode* node, const char* name, const xmlChar**atts ) {
499 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SConnected" );
503 if(eq(name,"db:verify")) { /* server receives verify from client */
504 char* xml = va_list_to_string(OSRF_CHAT_S2S_VERIFY_FINAL, node->domain, node->remote );
505 osrfChatSendRaw(node, xml );
510 if(eq(name, "db:result")) {
511 /* send all the messages that we have queued for this server */
512 node->state = OSRF_CHAT_STATE_CONNECTED;
513 osrfListIterator* itr = osrfNewListIterator(node->msgs);
516 while( (xml = (char*) osrfListIteratorNext(itr)) ) {
517 xmlDocPtr doc = xmlParseMemory(xml, strlen(xml));
519 char* from = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "from");
520 char* to = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "to");
521 osrfChatSend( node->parent, node, to, from, xml );
522 osrfLogDebug( OSRF_LOG_MARK, "Sending cached message from %s to %s", from, to);
523 xmlFree(to); xmlFree(from);
528 osrfListIteratorFree(itr);
529 osrfListFree(node->msgs);
535 osrfLogInfo( OSRF_LOG_MARK, "Successfully made S2S connection to %s", node->remote );
536 node->state = OSRF_CHAT_STATE_CONNECTED;
544 /** check the namespace of the stream message to see if it's a server or client connection */
545 int osrfChatHandleNewConnection( osrfChatNode* node, const char* name, const xmlChar** atts ) {
546 CHAT_CHECK_VARS(node, name, "osrfChatHandleNewConnection()");
548 if(!eq(name, "stream:stream")) return -1;
550 node->authkey = osrfChatMkAuthKey();
551 char* ns = xmlSaxAttr(atts, "xmlns");
554 if(eq(ns, "jabber:client")) { /* client connection */
556 char* domain = xmlSaxAttr( atts, "to" );
557 if(!domain) return -1;
559 if(!eq(domain, node->domain)) {
560 osrfLogWarning( OSRF_LOG_MARK,
561 "Client attempting to connect to invalid domain %s. Our domain is %s", domain, node->domain);
565 char* buf = va_list_to_string( OSRF_CHAT_START_STREAM, domain, node->authkey );
566 node->state = OSRF_CHAT_STATE_CONNECTING;
568 osrfLogDebug( OSRF_LOG_MARK, "Server node %d setting state to OSRF_CHAT_STATE_CONNECTING[%d]",
569 node->sockid, node->state );
571 osrfLogDebug( OSRF_LOG_MARK, "Server responding to connect message with\n%s\n", buf );
572 osrfChatSendRaw( node, buf );
577 /* server to server init */
578 if(eq(ns, "jabber:server")) { /* client connection */
579 osrfLogInfo( OSRF_LOG_MARK, "We received a new server 2 server connection, generating auth key...");
580 char* xml = va_list_to_string( OSRF_CHAT_S2S_CHALLENGE, node->authkey );
581 osrfChatSendRaw( node, xml );
583 node->state = OSRF_CHAT_STATE_S2S_RESPONSE; /* the next message should be the response */
593 char* osrfChatMkAuthKey() {
596 snprintf(keybuf, 111, "%d%ld%s", (int) time(NULL), (long) getpid(), getenv("HOSTNAME"));
597 return strdup(shahash(keybuf));
600 int osrfChatHandleConnecting( osrfChatNode* node, const char* name, const xmlChar** atts ) {
601 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnecting()");
602 osrfLogDebug( OSRF_LOG_MARK, "Handling connect node %s", name );
604 if(eq(name, "iq")) node->xmlstate |= OSRF_CHAT_STATE_INIQ;
605 else if(eq(name,"username")) node->xmlstate |= OSRF_CHAT_STATE_INUSERNAME;
606 else if(eq(name,"resource")) node->xmlstate |= OSRF_CHAT_STATE_INRESOURCE;
610 int osrfChatHandleConnected( osrfChatNode* node, const char* name, const xmlChar** atts ) {
611 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnected()");
613 if(eq(name,"message")) {
615 /* drop the old message and start with a new one */
616 xmlNodePtr root = xmlNewNode(NULL, name);
617 xmlAddAttrs(root, atts);
618 xmlNodePtr oldRoot = xmlDocSetRootElement(node->msgDoc, root);
621 char* to = xmlSaxAttr(atts, "to");
624 node->to = strdup(to);
625 if(oldRoot) xmlFreeNode(oldRoot);
626 node->xmlstate = OSRF_CHAT_STATE_INMESSAGE;
630 /* all non "message" nodes are simply added to the message */
631 xmlNodePtr nodep = xmlNewNode(NULL, name);
632 xmlAddAttrs(nodep, atts);
633 xmlAddChild(xmlDocGetRootElement(node->msgDoc), nodep);
639 /* takes s2s secret, hashdomain, and the s2s auth token */
640 static char* osrfChatGenerateS2SKey( char* secret, char* hashdomain, char* authtoken ) {
641 if(!(secret && hashdomain && authtoken)) return NULL;
642 osrfLogInfo( OSRF_LOG_MARK, "Generating s2s key with auth token: %s", authtoken );
643 char* a = shahash(secret);
644 osrfLogDebug( OSRF_LOG_MARK, "S2S secret hash: %s", a);
645 char* b = va_list_to_string("%s%s", a, hashdomain);
646 char* c = shahash(b);
647 osrfLogDebug( OSRF_LOG_MARK, "S2S intermediate hash: %s", c);
648 char* d = va_list_to_string("%s%s", c, authtoken);
649 char* e = strdup(shahash(d));
654 int osrfChatHandleS2SChallenge( osrfChatNode* node, const char* name, const xmlChar** atts ) {
655 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SChallenge()");
657 /* here we respond to the stream challenge */
658 if(eq(name, "stream:stream")) {
659 char* id = xmlSaxAttr(atts, "id");
661 /* we use our domain in the s2s challenge hash */
662 char* d = osrfChatGenerateS2SKey(node->parent->secret, node->domain, id );
663 char* e = va_list_to_string(OSRF_CHAT_S2S_RESPONSE, node->remote, node->domain, d );
664 osrfLogInfo( OSRF_LOG_MARK, "Answering s2s challenge with key: %s", e );
665 osrfChatSendRaw( node, e );
667 node->state = OSRF_CHAT_STATE_S2S_VERIFY;
676 int osrfChatHandleS2SResponse( osrfChatNode* node, const char* name, const xmlChar** atts ) {
677 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SResponse()");
679 if(eq(name, "db:result")) {
680 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
690 void osrfChatEndElement( void* blob, const xmlChar* name ) {
691 if(!(blob && name)) return;
692 osrfChatNode* node = (osrfChatNode*) blob;
694 char* nm = (char*) name;
696 if(eq(nm,"stream:stream")) {
697 osrfChatNodeFinish( node->parent, node );
701 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
702 if(eq(nm, "message")) {
704 xmlNodePtr msg = xmlDocGetRootElement(node->msgDoc);
705 if(msg && node->type == 0)
706 xmlSetProp(msg, BAD_CAST "from", BAD_CAST node->remote );
707 char* string = xmlDocToString(node->msgDoc, 0 );
709 char* from = (char*) xmlGetProp(msg, BAD_CAST "from");
710 osrfLogDebug( OSRF_LOG_MARK, "Routing message to %s\n%s\n", node->to, from, string );
711 osrfChatSend( node->parent, node, node->to, from, string );
717 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
718 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
721 node->xmlstate &= ~OSRF_CHAT_STATE_INIQ;
722 node->remote = va_list_to_string(
723 "%s@%s/%s", node->username, node->domain, node->resource );
725 osrfLogInfo( OSRF_LOG_MARK, "%s successfully logged in", node->remote );
727 osrfLogDebug( OSRF_LOG_MARK, "Setting remote address to %s", node->remote );
728 osrfChatSendRaw( node, OSRF_CHAT_LOGIN_OK );
729 if(osrfHashGet( node->parent->nodeHash, node->remote ) ) {
730 osrfLogWarning( OSRF_LOG_MARK, "New node replaces existing node for remote id %s", node->remote);
731 osrfHashRemove(node->parent->nodeHash, node->remote);
733 osrfHashSet( node->parent->nodeHash, node, node->remote );
734 node->state = OSRF_CHAT_STATE_CONNECTED;
741 void osrfChatHandleCharacter( void* blob, const xmlChar *ch, int len) {
742 if(!(blob && ch && len)) return;
743 osrfChatNode* node = (osrfChatNode*) blob;
746 osrfLogDebug( OSRF_LOG_MARK, "Char Handler: state %d, xmlstate %d, chardata %s",
747 node->state, node->xmlstate, (char*) ch );
750 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
751 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
753 if( node->xmlstate & OSRF_CHAT_STATE_INUSERNAME ) {
754 free(node->username);
755 node->username = strndup((char*) ch, len);
756 node->xmlstate &= ~OSRF_CHAT_STATE_INUSERNAME;
759 if( node->xmlstate & OSRF_CHAT_STATE_INRESOURCE ) {
760 free(node->resource);
761 node->resource = strndup((char*) ch, len);
762 node->xmlstate &= ~OSRF_CHAT_STATE_INRESOURCE;
769 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
770 xmlNodePtr last = xmlGetLastChild(xmlDocGetRootElement(node->msgDoc));
771 xmlNodePtr txt = xmlNewTextLen(ch, len);
772 xmlAddChild(last, txt);
776 if( node->state == OSRF_CHAT_STATE_S2S_RESPONSE &&
777 (node->xmlstate & OSRF_CHAT_STATE_INS2SRESULT) ) {
779 char* key = strndup((char*) ch, len);
780 osrfLogDebug( OSRF_LOG_MARK, "Got s2s key from %s : %s", node->remote, key );
781 char* e = osrfChatGenerateS2SKey(node->parent->secret, node->remote, node->authkey );
782 osrfLogInfo( OSRF_LOG_MARK, "\nReceived s2s key from server: %s\nKey should be: %s", key, e );
785 char* msg = va_list_to_string(OSRF_CHAT_S2S_VERIFY_REQUEST,
786 node->authkey, node->domain, node->remote, e );
787 osrfChatSendRaw(node, msg );
789 node->state = OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE;
793 osrfLogWarning( OSRF_LOG_MARK, "Server2Server keys do not match!");
796 /* do the hash dance again */
799 /* XXX free 'e' and 'key' ?? */
804 void osrfChatParseError( void* blob, const char* msg, ... ) {
806 osrfChatXMLErrorOcurred = 1;