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|
/*
Jabber Protocol Plugin for Miranda IM
Copyright (C) 2002-04 Santithorn Bunchua
Copyright (C) 2005-12 George Hazan
Copyright (C) 2007 Maxim Mluhov
Copyright (C) 2012-13 Miranda NG Project
This program is free 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 2
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 "jabber.h"
#include "jabber_iq.h"
#include "jabber_caps.h"
#include "jabber_privacy.h"
#include "jabber_ibb.h"
#include "jabber_rc.h"
void CJabberProto::IqInit()
{
InitializeCriticalSection(&m_csIqList);
m_ppIqList = NULL;
m_nIqCount = 0;
m_nIqAlloced = 0;
}
void CJabberProto::IqUninit()
{
if (m_ppIqList) mir_free(m_ppIqList);
m_ppIqList = NULL;
m_nIqCount = 0;
m_nIqAlloced = 0;
DeleteCriticalSection(&m_csIqList);
}
void CJabberProto::IqRemove(int index)
{
EnterCriticalSection(&m_csIqList);
if (index>=0 && index<m_nIqCount) {
memmove(m_ppIqList+index, m_ppIqList+index+1, sizeof(JABBER_IQ_FUNC)*(m_nIqCount-index-1));
m_nIqCount--;
}
LeaveCriticalSection(&m_csIqList);
}
void CJabberProto::IqExpire()
{
int i;
time_t expire;
EnterCriticalSection(&m_csIqList);
expire = time(NULL) - 120; // 2 minute
i = 0;
while (i < m_nIqCount) {
if (m_ppIqList[i].requestTime < expire)
IqRemove(i);
else
i++;
}
LeaveCriticalSection(&m_csIqList);
}
JABBER_IQ_PFUNC CJabberProto::JabberIqFetchFunc(int iqId)
{
int i;
JABBER_IQ_PFUNC res;
EnterCriticalSection(&m_csIqList);
IqExpire();
#ifdef _DEBUG
for (i=0; i<m_nIqCount; i++)
Log(" %04d : %02d : 0x%x", m_ppIqList[i].iqId, m_ppIqList[i].procId, m_ppIqList[i].func);
#endif
for (i=0; i<m_nIqCount && m_ppIqList[i].iqId!=iqId; i++);
if (i < m_nIqCount) {
res = m_ppIqList[i].func;
IqRemove(i);
}
else {
res = (JABBER_IQ_PFUNC) NULL;
}
LeaveCriticalSection(&m_csIqList);
return res;
}
void CJabberProto::IqAdd(unsigned int iqId, JABBER_IQ_PROCID procId, JABBER_IQ_PFUNC func)
{
int i;
EnterCriticalSection(&m_csIqList);
Log("IqAdd id=%d, proc=%d, func=0x%x", iqId, procId, func);
if (procId == IQ_PROC_NONE)
i = m_nIqCount;
else
for (i=0; i<m_nIqCount && m_ppIqList[i].procId!=procId; i++);
if (i>=m_nIqCount && m_nIqCount>=m_nIqAlloced) {
m_nIqAlloced = m_nIqCount + 8;
m_ppIqList = (JABBER_IQ_FUNC *)mir_realloc(m_ppIqList, sizeof(JABBER_IQ_FUNC)*m_nIqAlloced);
}
if (m_ppIqList != NULL) {
m_ppIqList[i].iqId = iqId;
m_ppIqList[i].procId = procId;
m_ppIqList[i].func = func;
m_ppIqList[i].requestTime = time(NULL);
if (i == m_nIqCount) m_nIqCount++;
}
LeaveCriticalSection(&m_csIqList);
}
BOOL CJabberIqManager::FillPermanentHandlers()
{
// Google Shared Status (http://code.google.com/apis/talk/jep_extensions/shared_status.html)
AddPermanentHandler(&CJabberProto::OnIqSetGoogleSharedStatus, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_TO | JABBER_IQ_PARSE_ID_STR, _T("google:shared-status"), FALSE, _T("query"));
// version requests (XEP-0092)
AddPermanentHandler(&CJabberProto::OnIqRequestVersion, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_VERSION), FALSE, _T("query"));
// last activity (XEP-0012)
AddPermanentHandler(&CJabberProto::OnIqRequestLastActivity, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_LAST_ACTIVITY), FALSE, _T("query"));
// ping requests (XEP-0199)
AddPermanentHandler(&CJabberProto::OnIqRequestPing, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_PING), FALSE, _T("ping"));
// entity time (XEP-0202)
AddPermanentHandler(&CJabberProto::OnIqRequestTime, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_ENTITY_TIME), FALSE, _T("time"));
// entity time (XEP-0090)
AddPermanentHandler(&CJabberProto::OnIqProcessIqOldTime, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_ENTITY_TIME_OLD), FALSE, _T("query"));
// old avatars support (deprecated XEP-0008)
AddPermanentHandler(&CJabberProto::OnIqRequestAvatar, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_AVATAR), FALSE, _T("query"));
// privacy lists (XEP-0016)
AddPermanentHandler(&CJabberProto::OnIqRequestPrivacyLists, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR, _T(JABBER_FEAT_PRIVACY_LISTS), FALSE, _T("query"));
// in band bytestreams (XEP-0047)
AddPermanentHandler(&CJabberProto::OnFtHandleIbbIq, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_CHILD_TAG_NODE | JABBER_IQ_PARSE_CHILD_TAG_NAME | JABBER_IQ_PARSE_CHILD_TAG_XMLNS, _T(JABBER_FEAT_IBB), FALSE, NULL);
// socks5-bytestreams (XEP-0065)
AddPermanentHandler(&CJabberProto::FtHandleBytestreamRequest, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_BYTESTREAMS), FALSE, _T("query"));
// session initiation (XEP-0095)
AddPermanentHandler(&CJabberProto::OnSiRequest, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_SI), FALSE, _T("si"));
// roster push requests
AddPermanentHandler(&CJabberProto::OnRosterPushRequest, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_IQ_ROSTER), FALSE, _T("query"));
// OOB file transfers
AddPermanentHandler(&CJabberProto::OnIqRequestOOB, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_HCONTACT | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_OOB), FALSE, _T("query"));
// disco#items requests (XEP-0030, XEP-0050)
AddPermanentHandler(&CJabberProto::OnHandleDiscoItemsRequest, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_TO | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_DISCO_ITEMS), FALSE, _T("query"));
// disco#info requests (XEP-0030, XEP-0050, XEP-0115)
AddPermanentHandler(&CJabberProto::OnHandleDiscoInfoRequest, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_TO | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_DISCO_INFO), FALSE, _T("query"));
// ad-hoc commands (XEP-0050) for remote controlling (XEP-0146)
AddPermanentHandler(&CJabberProto::HandleAdhocCommandRequest, JABBER_IQ_TYPE_SET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_TO | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_COMMANDS), FALSE, _T("command"));
// http auth (XEP-0070)
AddPermanentHandler(&CJabberProto::OnIqHttpAuth, JABBER_IQ_TYPE_GET, JABBER_IQ_PARSE_FROM | JABBER_IQ_PARSE_ID_STR | JABBER_IQ_PARSE_CHILD_TAG_NODE, _T(JABBER_FEAT_HTTP_AUTH), FALSE, _T("confirm"));
return TRUE;
}
BOOL CJabberIqManager::Start()
{
if (m_hExpirerThread || m_bExpirerThreadShutdownRequest)
return FALSE;
m_hExpirerThread = ppro->JForkThreadEx(&CJabberProto::ExpirerThread, this);
if ( !m_hExpirerThread)
return FALSE;
return TRUE;
}
void __cdecl CJabberProto::ExpirerThread(void* pParam)
{
CJabberIqManager *pManager = (CJabberIqManager *)pParam;
pManager->ExpirerThread();
}
void CJabberIqManager::ExpirerThread()
{
while (!m_bExpirerThreadShutdownRequest)
{
Lock();
CJabberIqInfo* pInfo = DetachExpired();
Unlock();
if ( !pInfo)
{
for (int i = 0; !m_bExpirerThreadShutdownRequest && (i < 10); i++)
Sleep(50);
// -1 thread :)
ppro->m_adhocManager.ExpireSessions();
continue;
}
ExpireInfo(pInfo);
delete pInfo;
}
if ( !m_bExpirerThreadShutdownRequest) {
CloseHandle(m_hExpirerThread);
m_hExpirerThread = NULL;
}
}
void CJabberIqManager::ExpireInfo(CJabberIqInfo* pInfo, void*)
{
if ( !pInfo)
return;
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_FROM)
pInfo->m_szFrom = pInfo->m_szReceiver;
if ((pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_HCONTACT) && (pInfo->m_szFrom))
pInfo->m_hContact = ppro->HContactFromJID(pInfo->m_szFrom , 3);
ppro->Log("Expiring iq id %d, sent to %S", pInfo->m_nIqId, pInfo->m_szReceiver ? pInfo->m_szReceiver : _T("server"));
pInfo->m_nIqType = JABBER_IQ_TYPE_FAIL;
(ppro->*(pInfo->m_pHandler))(NULL, pInfo);
}
CJabberIqInfo* CJabberIqManager::AddHandler(JABBER_IQ_HANDLER pHandler, int nIqType, const TCHAR *szReceiver, DWORD dwParamsToParse, int nIqId, void *pUserData, int iPriority)
{
CJabberIqInfo* pInfo = new CJabberIqInfo();
if ( !pInfo)
return NULL;
pInfo->m_pHandler = pHandler;
if (nIqId == -1)
nIqId = ppro->SerialNext();
pInfo->m_nIqId = nIqId;
pInfo->m_nIqType = nIqType;
pInfo->m_dwParamsToParse = dwParamsToParse;
pInfo->m_pUserData = pUserData;
pInfo->m_dwRequestTime = GetTickCount();
pInfo->m_dwTimeout = JABBER_DEFAULT_IQ_REQUEST_TIMEOUT;
pInfo->m_iPriority = iPriority;
pInfo->SetReceiver(szReceiver);
InsertIq(pInfo);
return pInfo;
}
BOOL CJabberIqManager::HandleIq(int nIqId, HXML pNode)
{
if (nIqId == -1 || pNode == NULL)
return FALSE;
const TCHAR *szType = xmlGetAttrValue(pNode, _T("type"));
if ( !szType)
return FALSE;
int nIqType = JABBER_IQ_TYPE_FAIL;
if ( !_tcsicmp(szType, _T("result")))
nIqType = JABBER_IQ_TYPE_RESULT;
else if ( !_tcsicmp(szType, _T("error")))
nIqType = JABBER_IQ_TYPE_ERROR;
else
return FALSE;
Lock();
CJabberIqInfo* pInfo = DetachInfo(nIqId);
Unlock();
if (pInfo)
{
pInfo->m_nIqType = nIqType;
if (nIqType == JABBER_IQ_TYPE_RESULT) {
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_CHILD_TAG_NODE)
pInfo->m_pChildNode = xmlGetChild(pNode , 0);
if (pInfo->m_pChildNode && (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_CHILD_TAG_NAME))
pInfo->m_szChildTagName = (TCHAR*)xmlGetName(pInfo->m_pChildNode);
if (pInfo->m_pChildNode && (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_CHILD_TAG_XMLNS))
pInfo->m_szChildTagXmlns = (TCHAR*)xmlGetAttrValue(pNode, _T("xmlns"));
}
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_TO)
pInfo->m_szTo = (TCHAR*)xmlGetAttrValue(pNode, _T("to"));
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_FROM)
pInfo->m_szFrom = (TCHAR*)xmlGetAttrValue(pNode, _T("from"));
if (pInfo->m_szFrom && (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_HCONTACT))
pInfo->m_hContact = ppro->HContactFromJID(pInfo->m_szFrom, 3);
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_ID_STR)
pInfo->m_szId = (TCHAR*)xmlGetAttrValue(pNode, _T("id"));
(ppro->*(pInfo->m_pHandler))(pNode, pInfo);
delete pInfo;
return TRUE;
}
return FALSE;
}
BOOL CJabberIqManager::HandleIqPermanent(HXML pNode)
{
BOOL bStopHandling = FALSE;
Lock();
CJabberIqPermanentInfo *pInfo = m_pPermanentHandlers;
while (pInfo) {
// have to get all data here, in the loop, because there's always possibility that previous handler modified it
const TCHAR *szType = xmlGetAttrValue(pNode, _T("type"));
if ( !szType)
break;
CJabberIqInfo iqInfo;
iqInfo.m_nIqType = JABBER_IQ_TYPE_FAIL;
if ( !_tcsicmp(szType, _T("get")))
iqInfo.m_nIqType = JABBER_IQ_TYPE_GET;
else if ( !_tcsicmp(szType, _T("set")))
iqInfo.m_nIqType = JABBER_IQ_TYPE_SET;
else
break;
if (pInfo->m_nIqTypes & iqInfo.m_nIqType)
{
HXML pFirstChild = xmlGetChild(pNode , 0);
if ( !pFirstChild || !xmlGetName(pFirstChild))
break;
const TCHAR *szTagName = xmlGetName(pFirstChild);
const TCHAR *szXmlns = xmlGetAttrValue(pFirstChild, _T("xmlns"));
if ((!pInfo->m_szXmlns || (szXmlns && !_tcscmp(pInfo->m_szXmlns, szXmlns))) &&
(!pInfo->m_szTag || !_tcscmp(pInfo->m_szTag, szTagName))) {
// node suits handler criteria, call the handler
iqInfo.m_pChildNode = pFirstChild;
iqInfo.m_szChildTagName = (TCHAR*)szTagName;
iqInfo.m_szChildTagXmlns = (TCHAR*)szXmlns;
iqInfo.m_szId = (TCHAR*)xmlGetAttrValue(pNode, _T("id"));
iqInfo.m_pUserData = pInfo->m_pUserData;
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_TO)
iqInfo.m_szTo = (TCHAR*)xmlGetAttrValue(pNode, _T("to"));
if (pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_FROM)
iqInfo.m_szFrom = (TCHAR*)xmlGetAttrValue(pNode, _T("from"));
if ((pInfo->m_dwParamsToParse & JABBER_IQ_PARSE_HCONTACT) && (iqInfo.m_szFrom))
iqInfo.m_hContact = ppro->HContactFromJID(iqInfo.m_szFrom, 3);
ppro->Log("Handling iq id %S, type %S, from %S", iqInfo.m_szId, szType, iqInfo.m_szFrom);
if ((ppro->*(pInfo->m_pHandler))(pNode, &iqInfo)) {
bStopHandling = TRUE;
break;
}
}
}
pInfo = pInfo->m_pNext;
}
Unlock();
return bStopHandling;
}
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