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->socket = NULL;
97 server->mgr->blob = server;
98 server->mgr->on_socket_closed = &osrfChatSocketClosed;
103 void osrfChatCleanupClients( osrfChatServer* server ) {
105 osrfListFree(server->deadNodes);
106 server->deadNodes = osrfNewList();
111 osrfChatNode* osrfNewChatNode( int sockid, char* domain ) {
112 if(sockid < 1 || !domain) return NULL;
113 osrfChatNode* node = safe_malloc(sizeof(osrfChatNode));
116 node->state = OSRF_CHAT_STATE_NONE;
119 node->msgs = NULL; /* only s2s nodes cache messages */
120 node->parserCtx = xmlCreatePushParserCtxt(osrfChatSaxHandler, node, "", 0, NULL);
121 node->msgDoc = xmlNewDoc(BAD_CAST "1.0");
122 node->domain = strdup(domain);
123 xmlKeepBlanksDefault(0);
124 node->authkey = NULL;
125 node->username = NULL;
126 node->resource = NULL;
134 osrfChatNode* osrfNewChatS2SNode( char* domain, char* remote ) {
135 if(!(domain && remote)) return NULL;
136 osrfChatNode* n = osrfNewChatNode( 1, domain );
137 n->state = OSRF_CHAT_STATE_S2S_CHALLENGE;
139 n->remote = strdup(remote);
140 n->msgs = osrfNewList();
141 n->msgs->freeItem = &osrfChatS2SMessageFree;
146 void osrfChatS2SMessageFree(void* n) { free(n); }
148 void osrfChatNodeFree( void* node ) {
150 osrfChatNode* n = (osrfChatNode*) node;
152 /* we can't free messages that are mid-parse because the
153 we can't free the parser context */
156 osrfListPush(n->parent->deadNodes, n);
167 osrfListFree(n->msgs);
170 xmlFreeDoc(n->parserCtx->myDoc);
171 xmlFreeParserCtxt(n->parserCtx);
174 xmlFreeDoc(n->msgDoc);
180 int osrfChatServerConnect( osrfChatServer* cs, int port, int s2sport, char* listenAddr ) {
181 if(!(cs && port && listenAddr)) return -1;
183 cs->s2sport = s2sport;
184 if( socket_open_tcp_server(cs->mgr, port, listenAddr ) < 0 )
186 if( socket_open_tcp_server(cs->mgr, s2sport, listenAddr ) < 0 )
192 int osrfChatServerWait( osrfChatServer* server ) {
193 if(!server) return -1;
195 if(socket_wait_all(server->mgr, -1) < 0)
196 osrfLogWarning( OSRF_LOG_MARK, "jserver_wait(): socket_wait_all() returned error");
202 void osrfChatServerFree(osrfChatServer* server ) {
204 osrfHashFree(server->nodeHash);
205 osrfListFree(server->nodeList);
206 osrfListFree(server->deadNodes);
207 socket_manager_free(server->mgr);
208 free(server->domain);
209 free(server->secret);
215 void osrfChatHandleData( void* cs,
216 socket_manager* mgr, int sockid, char* data, int parent_id ) {
218 if(!(cs && mgr && sockid && data)) return;
220 osrfChatServer* server = (osrfChatServer*) cs;
222 osrfChatNode* node = osrfListGetIndex( server->nodeList, sockid );
225 osrfLogDebug( OSRF_LOG_MARK, "Found node for sockid %d with state %d", sockid, node->state);
228 osrfLogDebug( OSRF_LOG_MARK, "Adding new connection for sockid %d", sockid );
229 node = osrfChatAddNode( server, sockid );
233 if( (osrfChatPushData( server, node, data ) == -1) ) {
234 osrfLogError( OSRF_LOG_MARK,
235 "Node at socket %d with remote address %s and destination %s, "
236 "received bad XML [%s], disconnecting...", sockid, node->remote, node->to, data );
237 osrfChatSendRaw( node, OSRF_CHAT_PARSE_ERROR );
238 osrfChatRemoveNode( server, node );
242 osrfChatCleanupClients(server); /* clean up old dead clients */
246 void osrfChatSocketClosed( void* blob, int sockid ) {
248 osrfChatServer* server = (osrfChatServer*) blob;
249 osrfChatNode* node = osrfListGetIndex(server->nodeList, sockid);
250 osrfChatRemoveNode( server, node );
253 osrfChatNode* osrfChatAddNode( osrfChatServer* server, int sockid ) {
254 if(!(server && sockid)) return NULL;
255 osrfChatNode* node = osrfNewChatNode(sockid, server->domain);
256 node->parent = server;
257 node->sockid = sockid;
258 osrfListSet( server->nodeList, node, sockid );
262 void osrfChatRemoveNode( osrfChatServer* server, osrfChatNode* node ) {
263 if(!(server && node)) return;
264 socket_disconnect(server->mgr, node->sockid);
266 osrfHashRemove( server->nodeHash, node->remote );
267 osrfListRemove( server->nodeList, node->sockid ); /* this will free it */
270 int osrfChatSendRaw( osrfChatNode* node, char* msgXML ) {
271 if(!(node && msgXML)) return -1;
272 /* wait at most 3 second for this client to take our data */
273 return socket_send_timeout( node->sockid, msgXML, 3000000 );
276 void osrfChatNodeFinish( osrfChatServer* server, osrfChatNode* node ) {
277 if(!(server && node)) return;
278 osrfChatSendRaw( node, "</stream:stream>");
279 osrfChatRemoveNode( server, node );
283 int osrfChatSend( osrfChatServer* cs, osrfChatNode* node, char* toAddr, char* fromAddr, char* msgXML ) {
284 if(!(cs && node && toAddr && msgXML)) return -1;
286 int l = strlen(toAddr);
288 memset(dombuf, 0, sizeof(dombuf));
289 jid_get_domain( toAddr, dombuf, l );
291 if( eq( dombuf, cs->domain ) ) { /* this is to a user we host */
293 osrfLogInfo( OSRF_LOG_MARK, "Sending message on local connection\nfrom: %s\nto: %s", fromAddr, toAddr );
294 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, toAddr);
297 /* if we can't send to the recipient (recipient is gone or too busy,
298 * we drop the recipient and inform the sender that the recipient
300 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
302 osrfChatRemoveNode( cs, tonode );
303 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
305 osrfLogError( OSRF_LOG_MARK, "Node failed to function. "
306 "Responding to caller with error: %s", toAddr);
309 if( osrfChatSendRaw( node, xml ) < 0 ) {
310 osrfLogError(OSRF_LOG_MARK, "Sending node is now gone..removing");
311 osrfChatRemoveNode( cs, node );
318 /* send an error message saying we don't have this connection */
319 osrfLogInfo( OSRF_LOG_MARK, "We have no connection for %s", toAddr);
320 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
321 if( osrfChatSendRaw( node, xml ) < 0 )
322 osrfChatRemoveNode( cs, node );
328 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, dombuf);
330 if( tonode->state == OSRF_CHAT_STATE_CONNECTED ) {
331 osrfLogDebug( OSRF_LOG_MARK, "Routing message to server %s", dombuf);
333 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
334 osrfLogError( OSRF_LOG_MARK, "Node failed to function: %s", toAddr);
335 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
336 if( osrfChatSendRaw( node, xml ) < 0 )
337 osrfChatRemoveNode( cs, node );
339 osrfChatRemoveNode( cs, tonode );
343 osrfLogInfo( OSRF_LOG_MARK, "Received s2s message and we're still trying to connect...caching");
344 osrfListPush( tonode->msgs, strdup(msgXML) );
349 if( osrfChatInitS2S( cs, dombuf, toAddr, msgXML ) != 0 ) {
350 osrfLogWarning( OSRF_LOG_MARK, "We are unable to connect to remote server %s for recipient %s", dombuf, toAddr);
351 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
352 osrfChatSendRaw( node, xml );
363 void osrfChatCacheS2SMessage( char* toAddr, char* msgXML, osrfChatNode* snode ) {
364 if(!(toAddr && msgXML)) return;
365 osrfChatS2SMessage* msg = safe_malloc(sizeof(osrfChatS2SMessage));
366 msg->toAddr = strdup(toAddr);
367 msg->msgXML = strdup(msgXML);
368 osrfLogInfo( OSRF_LOG_MARK, "Pushing client message onto s2s queue waiting for connect... ");
369 osrfListPush( snode->msgs, msgXML );
374 int osrfChatInitS2S( osrfChatServer* cs, char* remote, char* toAddr, char* msgXML ) {
375 if(!(cs && remote && toAddr && msgXML)) return -1;
377 osrfLogInfo( OSRF_LOG_MARK, "Initing server2server connection to domain %s", remote );
378 osrfChatNode* snode = osrfNewChatS2SNode( cs->domain, remote );
381 /* try to connect to the remote site */
382 snode->sockid = socket_open_tcp_client(cs->mgr, cs->s2sport, remote);
383 if(snode->sockid < 1) {
384 osrfLogWarning( OSRF_LOG_MARK, "Unable to connect to remote server at %s", remote );
385 osrfChatNodeFree( snode );
389 /* store the message we were supposed to deliver until we're fully connected */
390 //osrfChatCacheS2SMessage( toAddr, msgXML, snode );
391 osrfListPush( snode->msgs, strdup(msgXML) );
392 osrfHashSet(cs->nodeHash, snode, remote );
393 osrfListSet(cs->nodeList, snode, snode->sockid );
395 /* send the initial s2s request */
396 osrfChatSendRaw( snode, OSRF_CHAT_S2S_INIT );
398 osrfLogDebug( OSRF_LOG_MARK, "Added new s2s node...");
405 /* commence SAX handling code */
407 int osrfChatPushData( osrfChatServer* server, osrfChatNode* node, char* data ) {
408 if(!(node && data)) return -1;
412 osrfLogDebug( OSRF_LOG_MARK, "pushing data into xml parser for node %d with state %d:\n%s",
413 node->sockid, node->state, data);
415 xmlParseChunk(node->parserCtx, data, strlen(data), 0);
418 if(osrfChatXMLErrorOcurred) {
419 osrfChatXMLErrorOcurred = 0;
423 /* we can't do cleanup of the XML handlers while in the middle of a
424 data push, so set flags in the data push and doe the cleanup here */
426 if(osrfChatClientSentDisconnect) {
427 osrfChatClientSentDisconnect = 0;
428 osrfChatNodeFinish( server, node );
436 void osrfChatStartStream( void* blob ) {
437 osrfLogDebug( OSRF_LOG_MARK, "Starting new client stream...");
441 void osrfChatStartElement( void* blob, const xmlChar *name, const xmlChar **atts ) {
442 if(!(blob && name)) return;
443 osrfChatNode* node = (osrfChatNode*) blob;
446 char* nm = (char*) name;
448 osrfLogDebug( OSRF_LOG_MARK, "Starting element %s with namespace %s and node state %d",
449 nm, xmlSaxAttr(atts, "xmlns"), node->state );
451 switch( node->state ) {
453 case OSRF_CHAT_STATE_NONE:
454 status = osrfChatHandleNewConnection( node, nm, atts );
455 osrfLogDebug( OSRF_LOG_MARK, "After NewConnection we have state %d", node->state);
458 case OSRF_CHAT_STATE_CONNECTING:
459 status = osrfChatHandleConnecting( node, nm, atts );
462 case OSRF_CHAT_STATE_CONNECTED:
463 status = osrfChatHandleConnected( node, nm, atts );
466 case OSRF_CHAT_STATE_S2S_CHALLENGE:
467 status = osrfChatHandleS2SChallenge( node, nm, atts );
470 case OSRF_CHAT_STATE_S2S_RESPONSE: /* server waiting for client response to challenge */
471 if(eq(nm, "db:result")) {
472 char* remote = xmlSaxAttr(atts, "from");
474 if( node->remote) free( node->remote );
475 node->remote = strdup(remote); /* copy off the client's id */
478 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
482 case OSRF_CHAT_STATE_S2S_VERIFY: /* client : waiting for server verify message */
483 if(eq(nm, "db:verify")) {
484 char* id = xmlSaxAttr( atts, "id" );
486 char* xml = va_list_to_string( OSRF_CHAT_S2S_VERIFY_RESPONSE,
487 node->remote, node->domain, id );
488 osrfChatSendRaw( node, xml );
490 node->state = OSRF_CHAT_STATE_S2S_VERIFY_FINAL;
496 case OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE: /* server waiting for client verify response */
497 case OSRF_CHAT_STATE_S2S_VERIFY_FINAL: /* client waitig for final verify */
498 status = osrfChatHandleS2SConnected( node, nm, atts );
504 osrfChatParseError( node, "We don't know how to handle the XML data received" );
507 #define CHAT_CHECK_VARS(x,y,z) if(!(x && y)) return -1; if(z) osrfLogDebug( OSRF_LOG_MARK, z);
511 int osrfChatHandleS2SConnected( osrfChatNode* node, const char* name, const xmlChar**atts ) {
512 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SConnected" );
516 if(eq(name,"db:verify")) { /* server receives verify from client */
517 char* xml = va_list_to_string(OSRF_CHAT_S2S_VERIFY_FINAL, node->domain, node->remote );
518 osrfChatSendRaw(node, xml );
523 if(eq(name, "db:result")) {
524 /* send all the messages that we have queued for this server */
525 node->state = OSRF_CHAT_STATE_CONNECTED;
526 osrfListIterator* itr = osrfNewListIterator(node->msgs);
529 while( (xml = (char*) osrfListIteratorNext(itr)) ) {
530 xmlDocPtr doc = xmlParseMemory(xml, strlen(xml));
532 char* from = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "from");
533 char* to = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "to");
534 osrfChatSend( node->parent, node, to, from, xml );
535 osrfLogDebug( OSRF_LOG_MARK, "Sending cached message from %s to %s", from, to);
536 xmlFree(to); xmlFree(from);
541 osrfListIteratorFree(itr);
542 osrfListFree(node->msgs);
548 osrfLogInfo( OSRF_LOG_MARK, "Successfully made S2S connection to %s", node->remote );
549 node->state = OSRF_CHAT_STATE_CONNECTED;
557 /** check the namespace of the stream message to see if it's a server or client connection */
558 int osrfChatHandleNewConnection( osrfChatNode* node, const char* name, const xmlChar** atts ) {
559 CHAT_CHECK_VARS(node, name, "osrfChatHandleNewConnection()");
561 if(!eq(name, "stream:stream")) return -1;
563 if( node->authkey ) free( node->authkey );
564 node->authkey = osrfChatMkAuthKey();
565 char* ns = xmlSaxAttr(atts, "xmlns");
568 if(eq(ns, "jabber:client")) { /* client connection */
570 char* domain = xmlSaxAttr( atts, "to" );
571 if(!domain) return -1;
573 if(!eq(domain, node->domain)) {
574 osrfLogWarning( OSRF_LOG_MARK,
575 "Client attempting to connect to invalid domain %s. Our domain is %s", domain, node->domain);
579 char* buf = va_list_to_string( OSRF_CHAT_START_STREAM, domain, node->authkey );
580 node->state = OSRF_CHAT_STATE_CONNECTING;
582 osrfLogDebug( OSRF_LOG_MARK, "Server node %d setting state to OSRF_CHAT_STATE_CONNECTING[%d]",
583 node->sockid, node->state );
585 osrfLogDebug( OSRF_LOG_MARK, "Server responding to connect message with\n%s\n", buf );
586 osrfChatSendRaw( node, buf );
591 /* server to server init */
592 if(eq(ns, "jabber:server")) { /* client connection */
593 osrfLogInfo( OSRF_LOG_MARK, "We received a new server 2 server connection, generating auth key...");
594 char* xml = va_list_to_string( OSRF_CHAT_S2S_CHALLENGE, node->authkey );
595 osrfChatSendRaw( node, xml );
597 node->state = OSRF_CHAT_STATE_S2S_RESPONSE; /* the next message should be the response */
607 char* osrfChatMkAuthKey() {
609 snprintf(keybuf, sizeof(keybuf), "%d%ld%s", (int) time(NULL), (long) getpid(), getenv("HOSTNAME"));
610 return strdup(shahash(keybuf));
613 int osrfChatHandleConnecting( osrfChatNode* node, const char* name, const xmlChar** atts ) {
614 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnecting()");
615 osrfLogDebug( OSRF_LOG_MARK, "Handling connect node %s", name );
617 if(eq(name, "iq")) node->xmlstate |= OSRF_CHAT_STATE_INIQ;
618 else if(eq(name,"username")) node->xmlstate |= OSRF_CHAT_STATE_INUSERNAME;
619 else if(eq(name,"resource")) node->xmlstate |= OSRF_CHAT_STATE_INRESOURCE;
623 int osrfChatHandleConnected( osrfChatNode* node, const char* name, const xmlChar** atts ) {
624 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnected()");
626 if(eq(name,"message")) {
628 /* drop the old message and start with a new one */
629 xmlNodePtr root = xmlNewNode(NULL, BAD_CAST name);
630 xmlAddAttrs(root, atts);
631 xmlNodePtr oldRoot = xmlDocSetRootElement(node->msgDoc, root);
634 char* to = xmlSaxAttr(atts, "to");
637 node->to = strdup(to);
638 if(oldRoot) xmlFreeNode(oldRoot);
639 node->xmlstate = OSRF_CHAT_STATE_INMESSAGE;
643 /* all non "message" nodes are simply added to the message */
644 xmlNodePtr nodep = xmlNewNode(NULL, BAD_CAST name);
645 xmlAddAttrs(nodep, atts);
646 xmlAddChild(xmlDocGetRootElement(node->msgDoc), nodep);
652 /* takes s2s secret, hashdomain, and the s2s auth token */
653 static char* osrfChatGenerateS2SKey( char* secret, char* hashdomain, char* authtoken ) {
654 if(!(secret && hashdomain && authtoken)) return NULL;
655 osrfLogInfo( OSRF_LOG_MARK, "Generating s2s key with auth token: %s", authtoken );
656 char* a = shahash(secret);
657 osrfLogDebug( OSRF_LOG_MARK, "S2S secret hash: %s", a);
658 char* b = va_list_to_string("%s%s", a, hashdomain);
659 char* c = shahash(b);
660 osrfLogDebug( OSRF_LOG_MARK, "S2S intermediate hash: %s", c);
661 char* d = va_list_to_string("%s%s", c, authtoken);
662 char* e = strdup(shahash(d));
667 int osrfChatHandleS2SChallenge( osrfChatNode* node, const char* name, const xmlChar** atts ) {
668 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SChallenge()");
670 /* here we respond to the stream challenge */
671 if(eq(name, "stream:stream")) {
672 char* id = xmlSaxAttr(atts, "id");
674 /* we use our domain in the s2s challenge hash */
675 char* d = osrfChatGenerateS2SKey(node->parent->secret, node->domain, id );
676 char* e = va_list_to_string(OSRF_CHAT_S2S_RESPONSE, node->remote, node->domain, d );
677 osrfLogInfo( OSRF_LOG_MARK, "Answering s2s challenge with key: %s", e );
678 osrfChatSendRaw( node, e );
680 node->state = OSRF_CHAT_STATE_S2S_VERIFY;
689 int osrfChatHandleS2SResponse( osrfChatNode* node, const char* name, const xmlChar** atts ) {
690 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SResponse()");
692 if(eq(name, "db:result")) {
693 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
703 void osrfChatEndElement( void* blob, const xmlChar* name ) {
704 if(!(blob && name)) return;
705 osrfChatNode* node = (osrfChatNode*) blob;
707 char* nm = (char*) name;
709 if(eq(nm,"stream:stream")) {
710 osrfChatNodeFinish( node->parent, node );
714 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
715 if(eq(nm, "message")) {
717 xmlNodePtr msg = xmlDocGetRootElement(node->msgDoc);
718 if(msg && node->type == 0)
719 xmlSetProp(msg, BAD_CAST "from", BAD_CAST node->remote );
720 char* string = xmlDocToString(node->msgDoc, 0 );
722 char* from = (char*) xmlGetProp(msg, BAD_CAST "from");
723 osrfLogDebug( OSRF_LOG_MARK, "Routing message to %s\n%s\n", node->to, from, string );
724 osrfChatSend( node->parent, node, node->to, from, string );
730 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
731 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
734 node->xmlstate &= ~OSRF_CHAT_STATE_INIQ;
735 if( node->remote ) free( node->remote );
736 node->remote = va_list_to_string(
737 "%s@%s/%s", node->username, node->domain, node->resource );
739 osrfLogInfo( OSRF_LOG_MARK, "%s successfully logged in", node->remote );
741 osrfLogDebug( OSRF_LOG_MARK, "Setting remote address to %s", node->remote );
742 osrfChatSendRaw( node, OSRF_CHAT_LOGIN_OK );
743 if(osrfHashGet( node->parent->nodeHash, node->remote ) ) {
744 osrfLogWarning( OSRF_LOG_MARK, "New node replaces existing node for remote id %s", node->remote);
745 osrfHashRemove(node->parent->nodeHash, node->remote);
747 osrfHashSet( node->parent->nodeHash, node, node->remote );
748 node->state = OSRF_CHAT_STATE_CONNECTED;
755 void osrfChatHandleCharacter( void* blob, const xmlChar *ch, int len) {
756 if(!(blob && ch && len)) return;
757 osrfChatNode* node = (osrfChatNode*) blob;
760 osrfLogDebug( OSRF_LOG_MARK, "Char Handler: state %d, xmlstate %d, chardata %s",
761 node->state, node->xmlstate, (char*) ch );
764 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
765 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
767 if( node->xmlstate & OSRF_CHAT_STATE_INUSERNAME ) {
768 free(node->username);
769 node->username = strndup((char*) ch, len);
770 node->xmlstate &= ~OSRF_CHAT_STATE_INUSERNAME;
773 if( node->xmlstate & OSRF_CHAT_STATE_INRESOURCE ) {
774 free(node->resource);
775 node->resource = strndup((char*) ch, len);
776 node->xmlstate &= ~OSRF_CHAT_STATE_INRESOURCE;
783 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
784 xmlNodePtr last = xmlGetLastChild(xmlDocGetRootElement(node->msgDoc));
785 xmlNodePtr txt = xmlNewTextLen(ch, len);
786 xmlAddChild(last, txt);
790 if( node->state == OSRF_CHAT_STATE_S2S_RESPONSE &&
791 (node->xmlstate & OSRF_CHAT_STATE_INS2SRESULT) ) {
793 char* key = strndup((char*) ch, len);
794 osrfLogDebug( OSRF_LOG_MARK, "Got s2s key from %s : %s", node->remote, key );
795 char* e = osrfChatGenerateS2SKey(node->parent->secret, node->remote, node->authkey );
796 osrfLogInfo( OSRF_LOG_MARK, "\nReceived s2s key from server: %s\nKey should be: %s", key, e );
799 char* msg = va_list_to_string(OSRF_CHAT_S2S_VERIFY_REQUEST,
800 node->authkey, node->domain, node->remote, e );
801 osrfChatSendRaw(node, msg );
803 node->state = OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE;
807 osrfLogWarning( OSRF_LOG_MARK, "Server2Server keys do not match!");
813 /* do the hash dance again */
818 void osrfChatParseError( void* blob, const char* msg, ... ) {
820 osrfChatXMLErrorOcurred = 1;