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"
22 #define HOST_NAME_MAX 256
25 static int osrfChatXMLErrorOcurred = 0;
27 /* This is used by code in osrfChatPushData, but that code is
28 currently commented out. Uncomment the next line if needed. */
29 //static int osrfChatClientSentDisconnect = 0;
31 /* shorter version of strcmp */
32 static int eq(const char* a, const char* b) { return (a && b && !strcmp(a,b)); }
33 //#define eq(a,b) ((a && b && !strcmp(a,b)) ? 1 : 0)
35 /* gnarly debug function */
36 static void chatdbg( osrfChatServer* server ) {
39 return; /* heavy logging, should only be used in heavy debug mode */
41 growing_buffer* buf = buffer_init(256);
43 buffer_add(buf, "---------------------------------------------------------------------\n");
48 "Named nodes in hash: %lu\n"
52 "-------------------------------------------------------\n",
53 osrfListGetCount(server->nodeList), osrfHashGetCount(server->nodeHash),
54 server->domain, server->port, server->s2sport );
56 osrfListIterator* itr = osrfNewListIterator(server->nodeList);
59 while( (node = osrfListIteratorNext(itr)) ) {
73 "-------------------------------------------------------\n",
74 node->sockid, node->remote, node->state, node->xmlstate, node->inparse,
75 node->to, node->resource, node->username, node->domain, node->authkey, node->type );
78 osrfLogDebug( OSRF_LOG_MARK, "DEBUG:\n%s", buf->buf );
80 osrfListIteratorFree(itr);
83 osrfChatServer* osrfNewChatServer( char* domain, char* secret, int s2sport ) {
84 if(!(domain && secret)) return NULL;
86 osrfChatServer* server = safe_malloc(sizeof(osrfChatServer));
88 server->nodeHash = osrfNewHash();
89 server->nodeList = osrfNewList();
90 server->deadNodes = osrfNewList();
91 server->nodeList->freeItem = &osrfChatNodeFree;
92 server->domain = strdup(domain);
93 server->secret = strdup(secret);
94 server->s2sport = s2sport;
97 // Build socket manager
98 server->mgr = safe_malloc(sizeof(socket_manager));
99 server->mgr->data_received = &osrfChatHandleData;
100 server->mgr->socket = NULL;
101 server->mgr->blob = server;
102 server->mgr->on_socket_closed = &osrfChatSocketClosed;
107 void osrfChatCleanupClients( osrfChatServer* server ) {
109 osrfListFree(server->deadNodes);
110 server->deadNodes = osrfNewList();
115 osrfChatNode* osrfNewChatNode( int sockid, char* domain ) {
116 if(sockid < 1 || !domain) return NULL;
117 osrfChatNode* node = safe_malloc(sizeof(osrfChatNode));
120 node->state = OSRF_CHAT_STATE_NONE;
123 node->msgs = NULL; /* only s2s nodes cache messages */
124 node->parserCtx = xmlCreatePushParserCtxt(osrfChatSaxHandler, node, "", 0, NULL);
125 node->msgDoc = xmlNewDoc(BAD_CAST "1.0");
126 node->domain = strdup(domain);
127 xmlKeepBlanksDefault(0);
128 node->authkey = NULL;
129 node->username = NULL;
130 node->resource = NULL;
138 osrfChatNode* osrfNewChatS2SNode( char* domain, char* remote ) {
139 if(!(domain && remote)) return NULL;
140 osrfChatNode* n = osrfNewChatNode( 1, domain );
141 n->state = OSRF_CHAT_STATE_S2S_CHALLENGE;
143 n->remote = strdup(remote);
144 n->msgs = osrfNewList();
145 n->msgs->freeItem = &osrfChatS2SMessageFree;
150 void osrfChatS2SMessageFree(void* n) { free(n); }
152 void osrfChatNodeFree( void* node ) {
154 osrfChatNode* n = (osrfChatNode*) node;
156 /* we can't free messages that are mid-parse because the
157 we can't free the parser context */
160 osrfListPush(n->parent->deadNodes, n);
171 osrfListFree(n->msgs);
174 xmlFreeDoc(n->parserCtx->myDoc);
175 xmlFreeParserCtxt(n->parserCtx);
178 xmlFreeDoc(n->msgDoc);
184 int osrfChatServerConnect( osrfChatServer* cs, int port, int s2sport, char* listenAddr ) {
185 if(!(cs && port && listenAddr)) return -1;
187 cs->s2sport = s2sport;
188 if( socket_open_tcp_server(cs->mgr, port, listenAddr ) < 0 )
190 if( socket_open_tcp_server(cs->mgr, s2sport, listenAddr ) < 0 )
196 int osrfChatServerWait( osrfChatServer* server ) {
197 if(!server) return -1;
199 if(socket_wait_all(server->mgr, -1) < 0)
200 osrfLogWarning( OSRF_LOG_MARK, "jserver_wait(): socket_wait_all() returned error");
206 void osrfChatServerFree(osrfChatServer* server ) {
208 osrfHashFree(server->nodeHash);
209 osrfListFree(server->nodeList);
210 osrfListFree(server->deadNodes);
211 socket_manager_free(server->mgr);
212 free(server->domain);
213 free(server->secret);
219 void osrfChatHandleData( void* cs,
220 socket_manager* mgr, int sockid, char* data, int parent_id ) {
222 if(!(cs && mgr && sockid && data)) return;
224 osrfChatServer* server = (osrfChatServer*) cs;
226 osrfChatNode* node = osrfListGetIndex( server->nodeList, sockid );
229 osrfLogDebug( OSRF_LOG_MARK, "Found node for sockid %d with state %d", sockid, node->state);
232 osrfLogDebug( OSRF_LOG_MARK, "Adding new connection for sockid %d", sockid );
233 node = osrfChatAddNode( server, sockid );
237 if( (osrfChatPushData( server, node, data ) == -1) ) {
238 osrfLogError( OSRF_LOG_MARK,
239 "Node at socket %d with remote address %s and destination %s, "
240 "received bad XML [%s], disconnecting...", sockid, node->remote, node->to, data );
241 osrfChatSendRaw( node, OSRF_CHAT_PARSE_ERROR );
242 osrfChatRemoveNode( server, node );
246 osrfChatCleanupClients(server); /* clean up old dead clients */
250 void osrfChatSocketClosed( void* blob, int sockid ) {
252 osrfChatServer* server = (osrfChatServer*) blob;
253 osrfChatNode* node = osrfListGetIndex(server->nodeList, sockid);
254 osrfChatRemoveNode( server, node );
257 osrfChatNode* osrfChatAddNode( osrfChatServer* server, int sockid ) {
258 if(!(server && sockid)) return NULL;
259 osrfChatNode* node = osrfNewChatNode(sockid, server->domain);
260 node->parent = server;
261 node->sockid = sockid;
262 osrfListSet( server->nodeList, node, sockid );
266 void osrfChatRemoveNode( osrfChatServer* server, osrfChatNode* node ) {
267 if(!(server && node)) return;
268 socket_disconnect(server->mgr, node->sockid);
270 osrfHashRemove( server->nodeHash, node->remote );
271 osrfListRemove( server->nodeList, node->sockid ); /* this will free it */
274 int osrfChatSendRaw( osrfChatNode* node, char* msgXML ) {
275 if(!(node && msgXML)) return -1;
276 /* wait at most 3 second for this client to take our data */
277 return socket_send_timeout( node->sockid, msgXML, 3000000 );
280 void osrfChatNodeFinish( osrfChatServer* server, osrfChatNode* node ) {
281 if(!(server && node)) return;
282 osrfChatSendRaw( node, "</stream:stream>");
283 osrfChatRemoveNode( server, node );
287 int osrfChatSend( osrfChatServer* cs, osrfChatNode* node, char* toAddr, char* fromAddr, char* msgXML ) {
288 if(!(cs && node && toAddr && msgXML)) return -1;
290 int l = strlen(toAddr);
292 memset(dombuf, 0, sizeof(dombuf));
293 jid_get_domain( toAddr, dombuf, l );
295 if( eq( dombuf, cs->domain ) ) { /* this is to a user we host */
297 osrfLogInfo( OSRF_LOG_MARK, "Sending message on local connection\nfrom: %s\nto: %s", fromAddr, toAddr );
298 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, toAddr);
301 /* if we can't send to the recipient (recipient is gone or too busy,
302 * we drop the recipient and inform the sender that the recipient
304 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
306 osrfChatRemoveNode( cs, tonode );
307 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
309 osrfLogError( OSRF_LOG_MARK, "Node failed to function. "
310 "Responding to caller with error: %s", toAddr);
313 if( osrfChatSendRaw( node, xml ) < 0 ) {
314 osrfLogError(OSRF_LOG_MARK, "Sending node is now gone..removing");
315 osrfChatRemoveNode( cs, node );
322 /* send an error message saying we don't have this connection */
323 osrfLogInfo( OSRF_LOG_MARK, "We have no connection for %s", toAddr);
324 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
325 if( osrfChatSendRaw( node, xml ) < 0 )
326 osrfChatRemoveNode( cs, node );
332 osrfChatNode* tonode = osrfHashGet(cs->nodeHash, dombuf);
334 if( tonode->state == OSRF_CHAT_STATE_CONNECTED ) {
335 osrfLogDebug( OSRF_LOG_MARK, "Routing message to server %s", dombuf);
337 if( osrfChatSendRaw( tonode, msgXML ) < 0 ) {
338 osrfLogError( OSRF_LOG_MARK, "Node failed to function: %s", toAddr);
339 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
340 if( osrfChatSendRaw( node, xml ) < 0 )
341 osrfChatRemoveNode( cs, node );
343 osrfChatRemoveNode( cs, tonode );
347 osrfLogInfo( OSRF_LOG_MARK, "Received s2s message and we're still trying to connect...caching");
348 osrfListPush( tonode->msgs, strdup(msgXML) );
353 if( osrfChatInitS2S( cs, dombuf, toAddr, msgXML ) != 0 ) {
354 osrfLogWarning( OSRF_LOG_MARK, "We are unable to connect to remote server %s for recipient %s", dombuf, toAddr);
355 char* xml = va_list_to_string( OSRF_CHAT_NO_RECIPIENT, toAddr, fromAddr );
356 osrfChatSendRaw( node, xml );
367 void osrfChatCacheS2SMessage( char* toAddr, char* msgXML, osrfChatNode* snode ) {
368 if(!(toAddr && msgXML)) return;
369 osrfChatS2SMessage* msg = safe_malloc(sizeof(osrfChatS2SMessage));
370 msg->toAddr = strdup(toAddr);
371 msg->msgXML = strdup(msgXML);
372 osrfLogInfo( OSRF_LOG_MARK, "Pushing client message onto s2s queue waiting for connect... ");
373 osrfListPush( snode->msgs, msgXML );
378 int osrfChatInitS2S( osrfChatServer* cs, char* remote, char* toAddr, char* msgXML ) {
379 if(!(cs && remote && toAddr && msgXML)) return -1;
381 osrfLogInfo( OSRF_LOG_MARK, "Initing server2server connection to domain %s", remote );
382 osrfChatNode* snode = osrfNewChatS2SNode( cs->domain, remote );
385 /* try to connect to the remote site */
386 snode->sockid = socket_open_tcp_client(cs->mgr, cs->s2sport, remote);
387 if(snode->sockid < 1) {
388 osrfLogWarning( OSRF_LOG_MARK, "Unable to connect to remote server at %s", remote );
389 osrfChatNodeFree( snode );
393 /* store the message we were supposed to deliver until we're fully connected */
394 //osrfChatCacheS2SMessage( toAddr, msgXML, snode );
395 osrfListPush( snode->msgs, strdup(msgXML) );
396 osrfHashSet(cs->nodeHash, snode, remote );
397 osrfListSet(cs->nodeList, snode, snode->sockid );
399 /* send the initial s2s request */
400 osrfChatSendRaw( snode, OSRF_CHAT_S2S_INIT );
402 osrfLogDebug( OSRF_LOG_MARK, "Added new s2s node...");
409 /* commence SAX handling code */
411 int osrfChatPushData( osrfChatServer* server, osrfChatNode* node, char* data ) {
412 if(!(node && data)) return -1;
416 osrfLogDebug( OSRF_LOG_MARK, "pushing data into xml parser for node %d with state %d:\n%s",
417 node->sockid, node->state, data);
419 xmlParseChunk(node->parserCtx, data, strlen(data), 0);
422 if(osrfChatXMLErrorOcurred) {
423 osrfChatXMLErrorOcurred = 0;
427 /* we can't do cleanup of the XML handlers while in the middle of a
428 data push, so set flags in the data push and doe the cleanup here */
430 if(osrfChatClientSentDisconnect) {
431 osrfChatClientSentDisconnect = 0;
432 osrfChatNodeFinish( server, node );
440 void osrfChatStartStream( void* blob ) {
441 osrfLogDebug( OSRF_LOG_MARK, "Starting new client stream...");
445 void osrfChatStartElement( void* blob, const xmlChar *name, const xmlChar **atts ) {
446 if(!(blob && name)) return;
447 osrfChatNode* node = (osrfChatNode*) blob;
450 char* nm = (char*) name;
452 osrfLogDebug( OSRF_LOG_MARK, "Starting element %s with namespace %s and node state %d",
453 nm, xmlSaxAttr(atts, "xmlns"), node->state );
455 switch( node->state ) {
457 case OSRF_CHAT_STATE_NONE:
458 status = osrfChatHandleNewConnection( node, nm, atts );
459 osrfLogDebug( OSRF_LOG_MARK, "After NewConnection we have state %d", node->state);
462 case OSRF_CHAT_STATE_CONNECTING:
463 status = osrfChatHandleConnecting( node, nm, atts );
466 case OSRF_CHAT_STATE_CONNECTED:
467 status = osrfChatHandleConnected( node, nm, atts );
470 case OSRF_CHAT_STATE_S2S_CHALLENGE:
471 status = osrfChatHandleS2SChallenge( node, nm, atts );
474 case OSRF_CHAT_STATE_S2S_RESPONSE: /* server waiting for client response to challenge */
475 if(eq(nm, "db:result")) {
476 char* remote = xmlSaxAttr(atts, "from");
478 if( node->remote) free( node->remote );
479 node->remote = strdup(remote); /* copy off the client's id */
482 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
486 case OSRF_CHAT_STATE_S2S_VERIFY: /* client : waiting for server verify message */
487 if(eq(nm, "db:verify")) {
488 char* id = xmlSaxAttr( atts, "id" );
490 char* xml = va_list_to_string( OSRF_CHAT_S2S_VERIFY_RESPONSE,
491 node->remote, node->domain, id );
492 osrfChatSendRaw( node, xml );
494 node->state = OSRF_CHAT_STATE_S2S_VERIFY_FINAL;
500 case OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE: /* server waiting for client verify response */
501 case OSRF_CHAT_STATE_S2S_VERIFY_FINAL: /* client waitig for final verify */
502 status = osrfChatHandleS2SConnected( node, nm, atts );
508 osrfChatParseError( node, "We don't know how to handle the XML data received" );
511 #define CHAT_CHECK_VARS(x,y,z) if(!(x && y)) return -1; if(z) osrfLogDebug( OSRF_LOG_MARK, z);
515 int osrfChatHandleS2SConnected( osrfChatNode* node, const char* name, const xmlChar**atts ) {
516 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SConnected" );
520 if(eq(name,"db:verify")) { /* server receives verify from client */
521 char* xml = va_list_to_string(OSRF_CHAT_S2S_VERIFY_FINAL, node->domain, node->remote );
522 osrfChatSendRaw(node, xml );
527 if(eq(name, "db:result")) {
528 /* send all the messages that we have queued for this server */
529 node->state = OSRF_CHAT_STATE_CONNECTED;
530 osrfListIterator* itr = osrfNewListIterator(node->msgs);
533 while( (xml = (char*) osrfListIteratorNext(itr)) ) {
534 xmlDocPtr doc = xmlParseMemory(xml, strlen(xml));
536 char* from = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "from");
537 char* to = (char*) xmlGetProp(xmlDocGetRootElement(doc), BAD_CAST "to");
538 osrfChatSend( node->parent, node, to, from, xml );
539 osrfLogDebug( OSRF_LOG_MARK, "Sending cached message from %s to %s", from, to);
540 xmlFree(to); xmlFree(from);
545 osrfListIteratorFree(itr);
546 osrfListFree(node->msgs);
552 osrfLogInfo( OSRF_LOG_MARK, "Successfully made S2S connection to %s", node->remote );
553 node->state = OSRF_CHAT_STATE_CONNECTED;
561 /** check the namespace of the stream message to see if it's a server or client connection */
562 int osrfChatHandleNewConnection( osrfChatNode* node, const char* name, const xmlChar** atts ) {
563 CHAT_CHECK_VARS(node, name, "osrfChatHandleNewConnection()");
565 if(!eq(name, "stream:stream")) return -1;
567 if( node->authkey ) free( node->authkey );
568 node->authkey = osrfChatMkAuthKey();
569 char* ns = xmlSaxAttr(atts, "xmlns");
572 if(eq(ns, "jabber:client")) { /* client connection */
574 char* domain = xmlSaxAttr( atts, "to" );
575 if(!domain) return -1;
577 if(!eq(domain, node->domain)) {
578 osrfLogWarning( OSRF_LOG_MARK,
579 "Client attempting to connect to invalid domain %s. Our domain is %s", domain, node->domain);
583 char* buf = va_list_to_string( OSRF_CHAT_START_STREAM, domain, node->authkey );
584 node->state = OSRF_CHAT_STATE_CONNECTING;
586 osrfLogDebug( OSRF_LOG_MARK, "Server node %d setting state to OSRF_CHAT_STATE_CONNECTING[%d]",
587 node->sockid, node->state );
589 osrfLogDebug( OSRF_LOG_MARK, "Server responding to connect message with\n%s\n", buf );
590 osrfChatSendRaw( node, buf );
595 /* server to server init */
596 if(eq(ns, "jabber:server")) { /* client connection */
597 osrfLogInfo( OSRF_LOG_MARK, "We received a new server 2 server connection, generating auth key...");
598 char* xml = va_list_to_string( OSRF_CHAT_S2S_CHALLENGE, node->authkey );
599 osrfChatSendRaw( node, xml );
601 node->state = OSRF_CHAT_STATE_S2S_RESPONSE; /* the next message should be the response */
611 char* osrfChatMkAuthKey() {
612 char hostname[HOST_NAME_MAX + 1] = "";
613 gethostname(hostname, sizeof(hostname) );
614 hostname[HOST_NAME_MAX] = '\0';
616 snprintf(keybuf, sizeof(keybuf), "%d%ld%s", (int) time(NULL), (long) getpid(), hostname);
617 return strdup(shahash(keybuf));
620 int osrfChatHandleConnecting( osrfChatNode* node, const char* name, const xmlChar** atts ) {
621 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnecting()");
622 osrfLogDebug( OSRF_LOG_MARK, "Handling connect node %s", name );
624 if(eq(name, "iq")) node->xmlstate |= OSRF_CHAT_STATE_INIQ;
625 else if(eq(name,"username")) node->xmlstate |= OSRF_CHAT_STATE_INUSERNAME;
626 else if(eq(name,"resource")) node->xmlstate |= OSRF_CHAT_STATE_INRESOURCE;
630 int osrfChatHandleConnected( osrfChatNode* node, const char* name, const xmlChar** atts ) {
631 CHAT_CHECK_VARS(node, name, "osrfChatHandleConnected()");
633 if(eq(name,"message")) {
635 /* drop the old message and start with a new one */
636 xmlNodePtr root = xmlNewNode(NULL, BAD_CAST name);
637 xmlAddAttrs(root, atts);
638 xmlNodePtr oldRoot = xmlDocSetRootElement(node->msgDoc, root);
641 char* to = xmlSaxAttr(atts, "to");
644 node->to = strdup(to);
645 if(oldRoot) xmlFreeNode(oldRoot);
646 node->xmlstate = OSRF_CHAT_STATE_INMESSAGE;
650 /* all non "message" nodes are simply added to the message */
651 xmlNodePtr nodep = xmlNewNode(NULL, BAD_CAST name);
652 xmlAddAttrs(nodep, atts);
653 xmlAddChild(xmlDocGetRootElement(node->msgDoc), nodep);
659 /* takes s2s secret, hashdomain, and the s2s auth token */
660 static char* osrfChatGenerateS2SKey( char* secret, char* hashdomain, char* authtoken ) {
661 if(!(secret && hashdomain && authtoken)) return NULL;
662 osrfLogInfo( OSRF_LOG_MARK, "Generating s2s key with auth token: %s", authtoken );
663 char* a = shahash(secret);
664 osrfLogDebug( OSRF_LOG_MARK, "S2S secret hash: %s", a);
665 char* b = va_list_to_string("%s%s", a, hashdomain);
666 char* c = shahash(b);
667 osrfLogDebug( OSRF_LOG_MARK, "S2S intermediate hash: %s", c);
668 char* d = va_list_to_string("%s%s", c, authtoken);
669 char* e = strdup(shahash(d));
674 int osrfChatHandleS2SChallenge( osrfChatNode* node, const char* name, const xmlChar** atts ) {
675 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SChallenge()");
677 /* here we respond to the stream challenge */
678 if(eq(name, "stream:stream")) {
679 char* id = xmlSaxAttr(atts, "id");
681 /* we use our domain in the s2s challenge hash */
682 char* d = osrfChatGenerateS2SKey(node->parent->secret, node->domain, id );
683 char* e = va_list_to_string(OSRF_CHAT_S2S_RESPONSE, node->remote, node->domain, d );
684 osrfLogInfo( OSRF_LOG_MARK, "Answering s2s challenge with key: %s", e );
685 osrfChatSendRaw( node, e );
687 node->state = OSRF_CHAT_STATE_S2S_VERIFY;
696 int osrfChatHandleS2SResponse( osrfChatNode* node, const char* name, const xmlChar** atts ) {
697 CHAT_CHECK_VARS(node, name, "osrfChatHandleS2SResponse()");
699 if(eq(name, "db:result")) {
700 node->xmlstate |= OSRF_CHAT_STATE_INS2SRESULT;
710 void osrfChatEndElement( void* blob, const xmlChar* name ) {
711 if(!(blob && name)) return;
712 osrfChatNode* node = (osrfChatNode*) blob;
714 char* nm = (char*) name;
716 if(eq(nm,"stream:stream")) {
717 osrfChatNodeFinish( node->parent, node );
721 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
722 if(eq(nm, "message")) {
724 xmlNodePtr msg = xmlDocGetRootElement(node->msgDoc);
725 if(msg && node->type == 0)
726 xmlSetProp(msg, BAD_CAST "from", BAD_CAST node->remote );
727 char* string = xmlDocToString(node->msgDoc, 0 );
729 char* from = (char*) xmlGetProp(msg, BAD_CAST "from");
730 osrfLogDebug( OSRF_LOG_MARK, "Routing message to %s\n%s\n", node->to, from, string );
731 osrfChatSend( node->parent, node, node->to, from, string );
737 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
738 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
741 node->xmlstate &= ~OSRF_CHAT_STATE_INIQ;
742 if( node->remote ) free( node->remote );
743 node->remote = va_list_to_string(
744 "%s@%s/%s", node->username, node->domain, node->resource );
746 osrfLogInfo( OSRF_LOG_MARK, "%s successfully logged in", node->remote );
748 osrfLogDebug( OSRF_LOG_MARK, "Setting remote address to %s", node->remote );
749 osrfChatSendRaw( node, OSRF_CHAT_LOGIN_OK );
750 if(osrfHashGet( node->parent->nodeHash, node->remote ) ) {
751 osrfLogWarning( OSRF_LOG_MARK, "New node replaces existing node for remote id %s", node->remote);
752 osrfHashRemove(node->parent->nodeHash, node->remote);
754 osrfHashSet( node->parent->nodeHash, node, node->remote );
755 node->state = OSRF_CHAT_STATE_CONNECTED;
762 void osrfChatHandleCharacter( void* blob, const xmlChar *ch, int len) {
763 if(!(blob && ch && len)) return;
764 osrfChatNode* node = (osrfChatNode*) blob;
767 osrfLogDebug( OSRF_LOG_MARK, "Char Handler: state %d, xmlstate %d, chardata %s",
768 node->state, node->xmlstate, (char*) ch );
771 if( node->state == OSRF_CHAT_STATE_CONNECTING ) {
772 if( node->xmlstate & OSRF_CHAT_STATE_INIQ ) {
774 if( node->xmlstate & OSRF_CHAT_STATE_INUSERNAME ) {
775 free(node->username);
776 node->username = strndup((char*) ch, len);
777 node->xmlstate &= ~OSRF_CHAT_STATE_INUSERNAME;
780 if( node->xmlstate & OSRF_CHAT_STATE_INRESOURCE ) {
781 free(node->resource);
782 node->resource = strndup((char*) ch, len);
783 node->xmlstate &= ~OSRF_CHAT_STATE_INRESOURCE;
790 if( node->state == OSRF_CHAT_STATE_CONNECTED ) {
791 xmlNodePtr last = xmlGetLastChild(xmlDocGetRootElement(node->msgDoc));
792 xmlNodePtr txt = xmlNewTextLen(ch, len);
793 xmlAddChild(last, txt);
797 if( node->state == OSRF_CHAT_STATE_S2S_RESPONSE &&
798 (node->xmlstate & OSRF_CHAT_STATE_INS2SRESULT) ) {
800 char* key = strndup((char*) ch, len);
801 osrfLogDebug( OSRF_LOG_MARK, "Got s2s key from %s : %s", node->remote, key );
802 char* e = osrfChatGenerateS2SKey(node->parent->secret, node->remote, node->authkey );
803 osrfLogInfo( OSRF_LOG_MARK, "\nReceived s2s key from server: %s\nKey should be: %s", key, e );
806 char* msg = va_list_to_string(OSRF_CHAT_S2S_VERIFY_REQUEST,
807 node->authkey, node->domain, node->remote, e );
808 osrfChatSendRaw(node, msg );
810 node->state = OSRF_CHAT_STATE_S2S_VERIFY_RESPONSE;
814 osrfLogWarning( OSRF_LOG_MARK, "Server2Server keys do not match!");
820 /* do the hash dance again */
825 void osrfChatParseError( void* blob, const char* msg, ... ) {
827 osrfChatXMLErrorOcurred = 1;