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;
23 /* This is used by code in osrfChatPushData, but that code is
24 currently commented out. Uncomment the next line if needed. */
25 //static int osrfChatClientSentDisconnect = 0;
27 /* shorter version of strcmp */
28 static int eq(const char* a, const char* b) { return (a && b && !strcmp(a,b)); }
29 //#define eq(a,b) ((a && b && !strcmp(a,b)) ? 1 : 0)
31 /* gnarly debug function */
32 static void chatdbg( osrfChatServer* server ) {
35 return; /* heavy logging, should only be used in heavy debug mode */
37 growing_buffer* buf = buffer_init(256);
39 buffer_add(buf, "---------------------------------------------------------------------\n");
44 "Named nodes in hash: %lu\n"
48 "-------------------------------------------------------\n",
49 osrfListGetCount(server->nodeList), osrfHashGetCount(server->nodeHash),
50 server->domain, server->port, server->s2sport );
52 osrfListIterator* itr = osrfNewListIterator(server->nodeList);
55 while( (node = osrfListIteratorNext(itr)) ) {
69 "-------------------------------------------------------\n",
70 node->sockid, node->remote, node->state, node->xmlstate, node->inparse,
71 node->to, node->resource, node->username, node->domain, node->authkey, node->type );
74 osrfLogDebug( OSRF_LOG_MARK, "DEBUG:\n%s", buf->buf );
76 osrfListIteratorFree(itr);
79 osrfChatServer* osrfNewChatServer( char* domain, char* secret, int s2sport ) {
80 if(!(domain && secret)) return NULL;
82 osrfChatServer* server = safe_malloc(sizeof(osrfChatServer));
84 server->nodeHash = osrfNewHash();
85 server->nodeList = osrfNewList();
86 server->deadNodes = osrfNewList();
87 server->nodeList->freeItem = &osrfChatNodeFree;
88 server->domain = strdup(domain);
89 server->secret = strdup(secret);
90 server->s2sport = s2sport;
93 // Build socket manager
94 server->mgr = safe_malloc(sizeof(socket_manager));
95 server->mgr->data_received = &osrfChatHandleData;
96 server->mgr->blob = server;
97 server->mgr->on_socket_closed = &osrfChatSocketClosed;
102 void osrfChatCleanupClients( osrfChatServer* server ) {
104 osrfListFree(server->deadNodes);
105 server->deadNodes = osrfNewList();
110 osrfChatNode* osrfNewChatNode( int sockid, char* domain ) {
111 if(sockid < 1 || !domain) return NULL;
112 osrfChatNode* node = safe_malloc(sizeof(osrfChatNode));
113 node->state = OSRF_CHAT_STATE_NONE;
114 node->msgs = NULL; /* only s2s nodes cache messages */
115 node->parserCtx = xmlCreatePushParserCtxt(osrfChatSaxHandler, node, "", 0, NULL);
116 node->msgDoc = xmlNewDoc(BAD_CAST "1.0");
117 node->domain = strdup(domain);
118 xmlKeepBlanksDefault(0);
119 node->authkey = NULL;
120 node->username = NULL;
121 node->resource = NULL;
128 osrfChatNode* osrfNewChatS2SNode( char* domain, char* remote ) {
129 if(!(domain && remote)) return NULL;
130 osrfChatNode* n = osrfNewChatNode( 1, domain );
131 n->state = OSRF_CHAT_STATE_S2S_CHALLENGE;
133 n->remote = strdup(remote);
134 n->msgs = osrfNewList();
135 n->msgs->freeItem = &osrfChatS2SMessageFree;
140 void osrfChatS2SMessageFree(void* n) { free(n); }
142 void osrfChatNodeFree( void* node ) {
144 osrfChatNode* n = (osrfChatNode*) node;
146 /* we can't free messages that are mid-parse because the
147 we can't free the parser context */
150 osrfListPush(n->parent->deadNodes, n);
161 osrfListFree(n->msgs);
164 xmlFreeDoc(n->parserCtx->myDoc);
165 xmlFreeParserCtxt(n->parserCtx);
168 xmlFreeDoc(n->msgDoc);
174 int osrfChatServerConnect( osrfChatServer* cs, int port, int s2sport, char* listenAddr ) {
175 if(!(cs && port && listenAddr)) return -1;
177 cs->s2sport = s2sport;
178 if( socket_open_tcp_server(cs->mgr, port, listenAddr ) < 0 )
180 if( socket_open_tcp_server(cs->mgr, s2sport, listenAddr ) < 0 )
186 int osrfChatServerWait( osrfChatServer* server ) {
187 if(!server) return -1;
189 if(socket_wait_all(server->mgr, -1) < 0)
190 osrfLogWarning( OSRF_LOG_MARK, "jserver_wait(): socket_wait_all() returned error");
196 void osrfChatServerFree(osrfChatServer* server ) {
198 osrfHashFree(server->nodeHash);
199 osrfListFree(server->nodeList);
200 osrfListFree(server->deadNodes);
202 free(server->domain);
203 free(server->secret);
209 void osrfChatHandleData( void* cs,
210 socket_manager* mgr, int sockid, char* data, int parent_id ) {
212 if(!(cs && mgr && sockid && data)) return;
214 osrfChatServer* server = (osrfChatServer*) cs;
216 osrfChatNode* node = osrfListGetIndex( server->nodeList, sockid );
219 osrfLogDebug( OSRF_LOG_MARK, "Found node for sockid %d with state %d", sockid, node->state);
222 osrfLogDebug( OSRF_LOG_MARK, "Adding new connection for sockid %d", sockid );
223 node = osrfChatAddNode( server, sockid );
227 if( (osrfChatPushData( server, node, data ) == -1) ) {
228 osrfLogError( OSRF_LOG_MARK,
229 "Node at socket %d with remote address %s and destination %s, "
230 "received bad XML [%s], disconnecting...", sockid, node->remote, node->to, data );
231 osrfChatSendRaw( node, OSRF_CHAT_PARSE_ERROR );
232 osrfChatRemoveNode( server, node );
236 osrfChatCleanupClients(server); /* clean up old dead clients */
240 void osrfChatSocketClosed( void* blob, int sockid ) {
242 osrfChatServer* server = (osrfChatServer*) blob;
243 osrfChatNode* node = osrfListGetIndex(server->nodeList, sockid);
244 osrfChatRemoveNode( server, node );
247 osrfChatNode* osrfChatAddNode( osrfChatServer* server, int sockid ) {
248 if(!(server && sockid)) return NULL;
249 osrfChatNode* node = osrfNewChatNode(sockid, server->domain);
250 node->parent = server;
251 node->sockid = sockid;
252 osrfListSet( server->nodeList, node, sockid );
256 void osrfChatRemoveNode( osrfChatServer* server, osrfChatNode* node ) {
257 if(!(server && node)) return;
258 socket_disconnect(server->mgr, node->sockid);
260 osrfHashRemove( server->nodeHash, node->remote );
261 osrfListRemove( server->nodeList, node->sockid ); /* this will free it */
264 int osrfChatSendRaw( osrfChatNode* node, char* msgXML ) {
265 if(!(node && msgXML)) return -1;
266 /* wait at most 3 second for this client to take our data */
267 return socket_send_timeout( node->sockid, msgXML, 3000000 );
270 void osrfChatNodeFinish( osrfChatServer* server, osrfChatNode* node ) {
271 if(!(server && node)) return;
272 osrfChatSendRaw( node, "</stream:stream>");
273 osrfChatRemoveNode( server, node );
277 int osrfChatSend( osrfChatServer* cs, osrfChatNode* node, char* toAddr, char* fromAddr, char* msgXML ) {
278 if(!(cs && node && toAddr && msgXML)) return -1;
280 int l = strlen(toAddr);
282 memset(dombuf, 0, sizeof(dombuf));
283 jid_get_domain( toAddr, dombuf, l );
285 if( eq( dombuf, cs->domain ) ) { /* this is to a user we host */
287 osrfLogInfo( OSRF_LOG_MARK, "Sending message on local connection\nfrom: %s\nto: %s", fromAddr, toAddr );
288 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, toAddr);
291 /* if we can't send to the recipient (recipient is gone or too busy,
292 * we drop the recipient and inform the sender that the recipient
294 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
296 osrfChatRemoveNode( cs, tonode );
297 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
299 osrfLogError( OSRF_LOG_MARK, "Node failed to function. "
300 "Responding to caller with error: %s", toAddr);
303 if( osrfChatSendRaw( node, xml ) < 0 ) {
304 osrfLogError(OSRF_LOG_MARK, "Sending node is now gone..removing");
305 osrfChatRemoveNode( cs, node );
312 /* send an error message saying we don't have this connection */
313 osrfLogInfo( OSRF_LOG_MARK, "We have no connection for %s", toAddr);
314 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
315 if( osrfChatSendRaw( node, xml ) < 0 )
316 osrfChatRemoveNode( cs, node );
322 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, dombuf);
324 if( tonode->state == OSRF_CHAT_STATE_CONNECTED ) {
325 osrfLogDebug( OSRF_LOG_MARK, "Routing message to server %s", dombuf);
327 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
328 osrfLogError( OSRF_LOG_MARK, "Node failed to function: %s", toAddr);
329 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
330 if( osrfChatSendRaw( node, xml ) < 0 )
331 osrfChatRemoveNode( cs, node );
333 osrfChatRemoveNode( cs, tonode );
337 osrfLogInfo( OSRF_LOG_MARK, "Received s2s message and we're still trying to connect...caching");
338 osrfListPush( tonode->msgs, strdup(msgXML) );
343 if( osrfChatInitS2S( cs, dombuf, toAddr, msgXML ) != 0 ) {
344 osrfLogWarning( OSRF_LOG_MARK, "We are unable to connect to remote server %s for recipient %s", dombuf, toAddr);
345 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
346 osrfChatSendRaw( node, xml );
357 void osrfChatCacheS2SMessage( char* toAddr, char* msgXML, osrfChatNode* snode ) {
358 if(!(toAddr && msgXML)) return;
359 osrfChatS2SMessage* msg = safe_malloc(sizeof(osrfChatS2SMessage));
360 msg->toAddr = strdup(toAddr);
361 msg->msgXML = strdup(msgXML);
362 osrfLogInfo( OSRF_LOG_MARK, "Pushing client message onto s2s queue waiting for connect... ");
363 osrfListPush( snode->msgs, msgXML );
368 int osrfChatInitS2S( osrfChatServer* cs, char* remote, char* toAddr, char* msgXML ) {
369 if(!(cs && remote && toAddr && msgXML)) return -1;
371 osrfLogInfo( OSRF_LOG_MARK, "Initing server2server connection to domain %s", remote );
372 osrfChatNode* snode = osrfNewChatS2SNode( cs->domain, remote );
375 /* try to connect to the remote site */
376 snode->sockid = socket_open_tcp_client(cs->mgr, cs->s2sport, remote);
377 if(snode->sockid < 1) {
378 osrfLogWarning( OSRF_LOG_MARK, "Unable to connect to remote server at %s", remote );
382 /* store the message we were supposed to deliver until we're fully connected */
383 //osrfChatCacheS2SMessage( toAddr, msgXML, snode );
384 osrfListPush( snode->msgs, strdup(msgXML) );
385 osrfHashSet(cs->nodeHash, snode, remote );
386 osrfListSet(cs->nodeList, snode, snode->sockid );
388 /* send the initial s2s request */
389 osrfChatSendRaw( snode, OSRF_CHAT_S2S_INIT );
391 osrfLogDebug( OSRF_LOG_MARK, "Added new s2s node...");
398 /* commence SAX handling code */
400 int osrfChatPushData( osrfChatServer* server, osrfChatNode* node, char* data ) {
401 if(!(node && data)) return -1;
405 osrfLogDebug( OSRF_LOG_MARK, "pushing data into xml parser for node %d with state %d:\n%s",
406 node->sockid, node->state, data);
408 xmlParseChunk(node->parserCtx, data, strlen(data), 0);
411 if(osrfChatXMLErrorOcurred) {
412 osrfChatXMLErrorOcurred = 0;
416 /* we can't do cleanup of the XML handlers while in the middle of a
417 data push, so set flags in the data push and doe the cleanup here */
419 if(osrfChatClientSentDisconnect) {
420 osrfChatClientSentDisconnect = 0;
421 osrfChatNodeFinish( server, node );
429 void osrfChatStartStream( void* blob ) {
430 osrfLogDebug( OSRF_LOG_MARK, "Starting new client stream...");
434 void osrfChatStartElement( void* blob, const xmlChar *name, const xmlChar **atts ) {
435 if(!(blob && name)) return;
436 osrfChatNode* node = (osrfChatNode*) blob;
439 char* nm = (char*) name;
441 osrfLogDebug( OSRF_LOG_MARK, "Starting element %s with namespace %s and node state %d",
442 nm, xmlSaxAttr(atts, "xmlns"), node->state );
444 switch( node->state ) {
446 case OSRF_CHAT_STATE_NONE:
447 status = osrfChatHandleNewConnection( node, nm, atts );
448 osrfLogDebug( OSRF_LOG_MARK, "After NewConnection we have state %d", node->state);
451 case OSRF_CHAT_STATE_CONNECTING:
452 status = osrfChatHandleConnecting( node, nm, atts );
455 case OSRF_CHAT_STATE_CONNECTED:
456 status = osrfChatHandleConnected( node, nm, atts );
459 case OSRF_CHAT_STATE_S2S_CHALLENGE:
460 status = osrfChatHandleS2SChallenge( node, nm, atts );
463 case OSRF_CHAT_STATE_S2S_RESPONSE: /* server waiting for client response to challenge */
464 if(eq(nm, "db:result")) {
465 char* remote = xmlSaxAttr(atts, "from");
466 if(remote) node->remote = strdup(remote); /* copy off the client's id */
468 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
472 case OSRF_CHAT_STATE_S2S_VERIFY: /* client : waiting for server verify message */
473 if(eq(nm, "db:verify")) {
474 char* id = xmlSaxAttr( atts, "id" );
476 char* xml = va_list_to_string( OSRF_CHAT_S2S_VERIFY_RESPONSE,
477 node->remote, node->domain, id );
478 osrfChatSendRaw( node, xml );
480 node->state = OSRF_CHAT_STATE_S2S_VERIFY_FINAL;
486 case OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE: /* server waiting for client verify response */
487 case OSRF_CHAT_STATE_S2S_VERIFY_FINAL: /* client waitig for final verify */
488 status = osrfChatHandleS2SConnected( node, nm, atts );
494 osrfChatParseError( node, "We don't know how to handle the XML data received" );
497 #define CHAT_CHECK_VARS(x,y,z) if(!(x && y)) return -1; if(z) osrfLogDebug( OSRF_LOG_MARK, z);
501 int osrfChatHandleS2SConnected( osrfChatNode* node, const char* name, const xmlChar**atts ) {
502 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SConnected" );
506 if(eq(name,"db:verify")) { /* server receives verify from client */
507 char* xml = va_list_to_string(OSRF_CHAT_S2S_VERIFY_FINAL, node->domain, node->remote );
508 osrfChatSendRaw(node, xml );
513 if(eq(name, "db:result")) {
514 /* send all the messages that we have queued for this server */
515 node->state = OSRF_CHAT_STATE_CONNECTED;
516 osrfListIterator* itr = osrfNewListIterator(node->msgs);
519 while( (xml = (char*) osrfListIteratorNext(itr)) ) {
520 xmlDocPtr doc = xmlParseMemory(xml, strlen(xml));
522 char* from = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "from");
523 char* to = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "to");
524 osrfChatSend( node->parent, node, to, from, xml );
525 osrfLogDebug( OSRF_LOG_MARK, "Sending cached message from %s to %s", from, to);
526 xmlFree(to); xmlFree(from);
531 osrfListIteratorFree(itr);
532 osrfListFree(node->msgs);
538 osrfLogInfo( OSRF_LOG_MARK, "Successfully made S2S connection to %s", node->remote );
539 node->state = OSRF_CHAT_STATE_CONNECTED;
547 /** check the namespace of the stream message to see if it's a server or client connection */
548 int osrfChatHandleNewConnection( osrfChatNode* node, const char* name, const xmlChar** atts ) {
549 CHAT_CHECK_VARS(node, name, "osrfChatHandleNewConnection()");
551 if(!eq(name, "stream:stream")) return -1;
553 node->authkey = osrfChatMkAuthKey();
554 char* ns = xmlSaxAttr(atts, "xmlns");
557 if(eq(ns, "jabber:client")) { /* client connection */
559 char* domain = xmlSaxAttr( atts, "to" );
560 if(!domain) return -1;
562 if(!eq(domain, node->domain)) {
563 osrfLogWarning( OSRF_LOG_MARK,
564 "Client attempting to connect to invalid domain %s. Our domain is %s", domain, node->domain);
568 char* buf = va_list_to_string( OSRF_CHAT_START_STREAM, domain, node->authkey );
569 node->state = OSRF_CHAT_STATE_CONNECTING;
571 osrfLogDebug( OSRF_LOG_MARK, "Server node %d setting state to OSRF_CHAT_STATE_CONNECTING[%d]",
572 node->sockid, node->state );
574 osrfLogDebug( OSRF_LOG_MARK, "Server responding to connect message with\n%s\n", buf );
575 osrfChatSendRaw( node, buf );
580 /* server to server init */
581 if(eq(ns, "jabber:server")) { /* client connection */
582 osrfLogInfo( OSRF_LOG_MARK, "We received a new server 2 server connection, generating auth key...");
583 char* xml = va_list_to_string( OSRF_CHAT_S2S_CHALLENGE, node->authkey );
584 osrfChatSendRaw( node, xml );
586 node->state = OSRF_CHAT_STATE_S2S_RESPONSE; /* the next message should be the response */
596 char* osrfChatMkAuthKey() {
598 snprintf(keybuf, sizeof(keybuf), "%d%ld%s", (int) time(NULL), (long) getpid(), getenv("HOSTNAME"));
599 return strdup(shahash(keybuf));
602 int osrfChatHandleConnecting( osrfChatNode* node, const char* name, const xmlChar** atts ) {
603 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnecting()");
604 osrfLogDebug( OSRF_LOG_MARK, "Handling connect node %s", name );
606 if(eq(name, "iq")) node->xmlstate |= OSRF_CHAT_STATE_INIQ;
607 else if(eq(name,"username")) node->xmlstate |= OSRF_CHAT_STATE_INUSERNAME;
608 else if(eq(name,"resource")) node->xmlstate |= OSRF_CHAT_STATE_INRESOURCE;
612 int osrfChatHandleConnected( osrfChatNode* node, const char* name, const xmlChar** atts ) {
613 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnected()");
615 if(eq(name,"message")) {
617 /* drop the old message and start with a new one */
618 xmlNodePtr root = xmlNewNode(NULL, BAD_CAST name);
619 xmlAddAttrs(root, atts);
620 xmlNodePtr oldRoot = xmlDocSetRootElement(node->msgDoc, root);
623 char* to = xmlSaxAttr(atts, "to");
626 node->to = strdup(to);
627 if(oldRoot) xmlFreeNode(oldRoot);
628 node->xmlstate = OSRF_CHAT_STATE_INMESSAGE;
632 /* all non "message" nodes are simply added to the message */
633 xmlNodePtr nodep = xmlNewNode(NULL, BAD_CAST name);
634 xmlAddAttrs(nodep, atts);
635 xmlAddChild(xmlDocGetRootElement(node->msgDoc), nodep);
641 /* takes s2s secret, hashdomain, and the s2s auth token */
642 static char* osrfChatGenerateS2SKey( char* secret, char* hashdomain, char* authtoken ) {
643 if(!(secret && hashdomain && authtoken)) return NULL;
644 osrfLogInfo( OSRF_LOG_MARK, "Generating s2s key with auth token: %s", authtoken );
645 char* a = shahash(secret);
646 osrfLogDebug( OSRF_LOG_MARK, "S2S secret hash: %s", a);
647 char* b = va_list_to_string("%s%s", a, hashdomain);
648 char* c = shahash(b);
649 osrfLogDebug( OSRF_LOG_MARK, "S2S intermediate hash: %s", c);
650 char* d = va_list_to_string("%s%s", c, authtoken);
651 char* e = strdup(shahash(d));
656 int osrfChatHandleS2SChallenge( osrfChatNode* node, const char* name, const xmlChar** atts ) {
657 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SChallenge()");
659 /* here we respond to the stream challenge */
660 if(eq(name, "stream:stream")) {
661 char* id = xmlSaxAttr(atts, "id");
663 /* we use our domain in the s2s challenge hash */
664 char* d = osrfChatGenerateS2SKey(node->parent->secret, node->domain, id );
665 char* e = va_list_to_string(OSRF_CHAT_S2S_RESPONSE, node->remote, node->domain, d );
666 osrfLogInfo( OSRF_LOG_MARK, "Answering s2s challenge with key: %s", e );
667 osrfChatSendRaw( node, e );
669 node->state = OSRF_CHAT_STATE_S2S_VERIFY;
678 int osrfChatHandleS2SResponse( osrfChatNode* node, const char* name, const xmlChar** atts ) {
679 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SResponse()");
681 if(eq(name, "db:result")) {
682 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
692 void osrfChatEndElement( void* blob, const xmlChar* name ) {
693 if(!(blob && name)) return;
694 osrfChatNode* node = (osrfChatNode*) blob;
696 char* nm = (char*) name;
698 if(eq(nm,"stream:stream")) {
699 osrfChatNodeFinish( node->parent, node );
703 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
704 if(eq(nm, "message")) {
706 xmlNodePtr msg = xmlDocGetRootElement(node->msgDoc);
707 if(msg && node->type == 0)
708 xmlSetProp(msg, BAD_CAST "from", BAD_CAST node->remote );
709 char* string = xmlDocToString(node->msgDoc, 0 );
711 char* from = (char*) xmlGetProp(msg, BAD_CAST "from");
712 osrfLogDebug( OSRF_LOG_MARK, "Routing message to %s\n%s\n", node->to, from, string );
713 osrfChatSend( node->parent, node, node->to, from, string );
719 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
720 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
723 node->xmlstate &= ~OSRF_CHAT_STATE_INIQ;
724 node->remote = va_list_to_string(
725 "%s@%s/%s", node->username, node->domain, node->resource );
727 osrfLogInfo( OSRF_LOG_MARK, "%s successfully logged in", node->remote );
729 osrfLogDebug( OSRF_LOG_MARK, "Setting remote address to %s", node->remote );
730 osrfChatSendRaw( node, OSRF_CHAT_LOGIN_OK );
731 if(osrfHashGet( node->parent->nodeHash, node->remote ) ) {
732 osrfLogWarning( OSRF_LOG_MARK, "New node replaces existing node for remote id %s", node->remote);
733 osrfHashRemove(node->parent->nodeHash, node->remote);
735 osrfHashSet( node->parent->nodeHash, node, node->remote );
736 node->state = OSRF_CHAT_STATE_CONNECTED;
743 void osrfChatHandleCharacter( void* blob, const xmlChar *ch, int len) {
744 if(!(blob && ch && len)) return;
745 osrfChatNode* node = (osrfChatNode*) blob;
748 osrfLogDebug( OSRF_LOG_MARK, "Char Handler: state %d, xmlstate %d, chardata %s",
749 node->state, node->xmlstate, (char*) ch );
752 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
753 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
755 if( node->xmlstate & OSRF_CHAT_STATE_INUSERNAME ) {
756 free(node->username);
757 node->username = strndup((char*) ch, len);
758 node->xmlstate &= ~OSRF_CHAT_STATE_INUSERNAME;
761 if( node->xmlstate & OSRF_CHAT_STATE_INRESOURCE ) {
762 free(node->resource);
763 node->resource = strndup((char*) ch, len);
764 node->xmlstate &= ~OSRF_CHAT_STATE_INRESOURCE;
771 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
772 xmlNodePtr last = xmlGetLastChild(xmlDocGetRootElement(node->msgDoc));
773 xmlNodePtr txt = xmlNewTextLen(ch, len);
774 xmlAddChild(last, txt);
778 if( node->state == OSRF_CHAT_STATE_S2S_RESPONSE &&
779 (node->xmlstate & OSRF_CHAT_STATE_INS2SRESULT) ) {
781 char* key = strndup((char*) ch, len);
782 osrfLogDebug( OSRF_LOG_MARK, "Got s2s key from %s : %s", node->remote, key );
783 char* e = osrfChatGenerateS2SKey(node->parent->secret, node->remote, node->authkey );
784 osrfLogInfo( OSRF_LOG_MARK, "\nReceived s2s key from server: %s\nKey should be: %s", key, e );
787 char* msg = va_list_to_string(OSRF_CHAT_S2S_VERIFY_REQUEST,
788 node->authkey, node->domain, node->remote, e );
789 osrfChatSendRaw(node, msg );
791 node->state = OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE;
795 osrfLogWarning( OSRF_LOG_MARK, "Server2Server keys do not match!");
798 /* do the hash dance again */
801 /* XXX free 'e' and 'key' ?? */
806 void osrfChatParseError( void* blob, const char* msg, ... ) {
808 osrfChatXMLErrorOcurred = 1;