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// Copyright © 2010-2012 sss
//
// 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 "commonheaders.h"
//thx gpg module from Harald Treder, Zakhar V. Bardymov
//boost::mutex gpg_mutex;
pxResult pxExecute(wstring *acommandline, char *ainput, string *aoutput, LPDWORD aexitcode, pxResult *result, HANDLE hProcess, PROCESS_INFORMATION *pr)
{
// gpg_mutex.lock();
if(!gpg_valid)
return pxNotConfigured;
extern logtofile debuglog;
BOOL success;
STARTUPINFO sinfo = {0};
SECURITY_ATTRIBUTES sattrs = {0};
SECURITY_DESCRIPTOR sdesc = {0};
PROCESS_INFORMATION pri = {0};
HANDLE newstdin, newstdout, readstdout, writestdin;
char *inputpos;
unsigned long transfered;
int size;
wstring commandline;
sattrs.nLength=sizeof(SECURITY_ATTRIBUTES);
sattrs.bInheritHandle=TRUE;
InitializeSecurityDescriptor(&sdesc,SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(&sdesc,TRUE,NULL,FALSE);
sattrs.lpSecurityDescriptor=&sdesc;
success=CreatePipe(&newstdin,&writestdin,&sattrs,0);
if (!success)
{
*result = pxCreatePipeFailed;
return pxCreatePipeFailed;
}
success=CreatePipe(&readstdout,&newstdout,&sattrs,0);
if (!success)
{
CloseHandle(newstdin);
CloseHandle(writestdin);
*result = pxCreatePipeFailed;
return pxCreatePipeFailed;
}
GetStartupInfo(&sinfo);
sinfo.dwFlags=STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
sinfo.wShowWindow=SW_HIDE;
sinfo.hStdOutput=newstdout;
sinfo.hStdError=newstdout;
sinfo.hStdInput=newstdin;
char *mir_path = new char [MAX_PATH];
CallService(MS_UTILS_PATHTOABSOLUTE, (WPARAM)"\\", (LPARAM)mir_path);
SetCurrentDirectoryA(mir_path);
delete [] mir_path;
TCHAR *bin_path = UniGetContactSettingUtf(NULL, szGPGModuleName, "szGpgBinPath", _T(""));
{
if(_waccess(bin_path, 0) == -1)
{
if(errno == ENOENT)
{
mir_free(bin_path);
if(bDebugLog)
debuglog<<std::string(time_str()+": GPG executable not found");
*result = pxNotFound;
return pxNotFound;
}
}
}
TCHAR *home_dir = UniGetContactSettingUtf(NULL, szGPGModuleName, "szHomePath", _T(""));
{ //form initial command
commandline += _T("\"");
commandline += bin_path;
commandline += _T("\" --homedir \"");
commandline += home_dir;
commandline += _T("\" ");
commandline += _T("--display-charset utf-8 ");
commandline += _T("-z 9 ");
commandline += *acommandline;
mir_free(bin_path);
mir_free(home_dir);
}
if(bDebugLog)
debuglog<<std::string(time_str()+": gpg in: "+toUTF8(commandline));
success = CreateProcess(NULL, (TCHAR*)commandline.c_str(), NULL, NULL, TRUE, CREATE_NEW_CONSOLE | CREATE_UNICODE_ENVIRONMENT, (void*)_T("LANGUAGE=en@quot\0LC_ALL=English\0"), NULL, &sinfo, &pri);
if (!success)
{
CloseHandle(newstdin);
CloseHandle(writestdin);
CloseHandle(newstdout);
CloseHandle(readstdout);
if(bDebugLog)
debuglog<<time_str()<<": Failed to create process\n";
// gpg_mutex.unlock();
*result = pxCreateProcessFailed;
return pxCreateProcessFailed;
}
hProcess = pri.hProcess;
inputpos=ainput;
while (true)
{
if(!pri.hProcess)
break;
success=GetExitCodeProcess(pri.hProcess,aexitcode);
if (success && *aexitcode!=STILL_ACTIVE)
break;
storeOutput(readstdout,aoutput);
if (*inputpos!='\0') size=1;
else size=0;
success=WriteFile(writestdin,inputpos,size,&transfered,NULL);
inputpos+=transfered;
boost::this_thread::sleep(boost::posix_time::milliseconds(50));
}
storeOutput(readstdout,aoutput);
fix_line_term(*aoutput);
if(bDebugLog)
debuglog<<std::string(time_str()+": gpg out: "+*aoutput);
WaitForSingleObject(pri.hProcess,INFINITE);
CloseHandle(pri.hThread);
CloseHandle(pri.hProcess);
CloseHandle(newstdin);
CloseHandle(newstdout);
CloseHandle(readstdout);
CloseHandle(writestdin);
*result = pxSuccess;
// gpg_mutex.unlock();
if(*aexitcode)
{
if(bDebugLog)
debuglog<<std::string(time_str()+": warning: wrong gpg exit status, gpg output: "+*aoutput);
return pxSuccessExitCodeInvalid;
}
return pxSuccess;
}
void pxEexcute_thread(void *param)
{
gpg_execution_params *params = (gpg_execution_params*)param;
pxResult result = pxExecute(params->cmd, params->useless, params->out, params->code, params->result, params->hProcess, params->proc);
}
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