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/* $Id: gctrl.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
/** @file
* Guest Control Service: Internal function used by service, Main and testcase.
*/
/*
* Copyright (C) 2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/** @page pg_svc_guest_control Guest Control HGCM Service
*
* @todo Write up some nice text here.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_HGCM
#include <VBox/HostServices/GuestControlSvc.h>
/** @todo Remove unused header files below! */
#include <iprt/alloca.h>
#include <iprt/initterm.h>
#include <iprt/crc32.h>
#include <iprt/ctype.h>
#include <iprt/env.h>
#include <iprt/file.h>
#include <iprt/getopt.h>
#include <iprt/handle.h>
#include <iprt/mem.h>
#include <iprt/message.h>
#include <iprt/param.h>
#include <iprt/path.h>
#include <iprt/pipe.h>
#include <iprt/poll.h>
#include <iprt/process.h>
#include <iprt/stream.h>
#include <iprt/thread.h>
#include "gctrl.h"
namespace guestControl {
/**
* Creates the argument list as an array used for executing a program.
*
* @returns VBox status code.
*
* @todo
*
* @todo Respect spaces when quoting for arguments, e.g. "c:\\program files\\".
* @todo Handle empty ("") argguments.
*/
int gctrlPrepareExecArgv(char *pszArgs, void **ppvList, uint32_t *pcbList, uint32_t *pcArgs)
{
char **ppaArg;
int iArgs;
int rc = RTGetOptArgvFromString(&ppaArg, &iArgs, pszArgs, NULL);
if (RT_SUCCESS(rc))
{
char *pszTemp = NULL;
*pcbList = 0;
for (int i=0; i<iArgs; i++)
{
if (i > 0) /* Insert space as delimiter. */
rc = RTStrAAppendN(&pszTemp, " ", 1);
if (RT_FAILURE(rc))
break;
else
{
rc = RTStrAAppendN(&pszTemp, ppaArg[i], strlen(ppaArg[i]));
if (RT_FAILURE(rc))
break;
}
}
RTGetOptArgvFree(ppaArg);
if (RT_SUCCESS(rc))
{
*ppvList = pszTemp;
*pcArgs = iArgs;
*pcbList = strlen(pszTemp) + 1; /* Include zero termination. */
}
else
RTStrFree(pszTemp);
}
return rc;
}
/**
* Appends environment variables to the environment block. Each var=value pair is separated
* by NULL (\0) sequence. The whole block will be stored in one blob and disassembled on the
* guest side later to fit into the HGCM param structure.
*
* @returns VBox status code.
*
* @todo
*
*/
int gctrlAddToExecEnvv(const char *pszEnv, void **ppvList, uint32_t *pcbList, uint32_t *pcEnv)
{
int rc = VINF_SUCCESS;
uint32_t cbLen = strlen(pszEnv);
if (*ppvList)
{
uint32_t cbNewLen = *pcbList + cbLen + 1; /* Include zero termination. */
char *pvTmp = (char*)RTMemRealloc(*ppvList, cbNewLen);
if (NULL == pvTmp)
{
rc = VERR_NO_MEMORY;
}
else
{
memcpy(pvTmp + *pcbList, pszEnv, cbLen);
pvTmp[cbNewLen - 1] = '\0'; /* Add zero termination. */
*ppvList = (void**)pvTmp;
}
}
else
{
char *pcTmp;
if (RTStrAPrintf(&pcTmp, "%s", pszEnv) > 0)
{
*ppvList = (void**)pcTmp;
/* Reset counters. */
*pcEnv = 0;
*pcbList = 0;
}
}
if (RT_SUCCESS(rc))
{
*pcbList += cbLen + 1; /* Include zero termination. */
*pcEnv += 1; /* Increase env pairs count. */
}
return rc;
}
/*
int gctrlAllocateExecBlock(PVBOXGUESTCTRLEXECBLOCK *ppBlock,
const char *pszCmd, uint32_t fFlags,
uint32_t cArgs, const char * const *papszArgs,
uint32_t cEnvVars, const char * const *papszEnv,
const char *pszStdIn, const char *pszStdOut, const char *pszStdErr,
const char *pszUsername, const char *pszPassword, RTMSINTERVAL cMillies)
{
PVBOXGUESTCTRLEXECBLOCK pNewBlock = (VBOXGUESTCTRLEXECBLOCK*)RTMemAlloc(sizeof(VBOXGUESTCTRLEXECBLOCK));
int rc;
if (pNewBlock)
{
*ppBlock = pNewBlock;
rc = VINF_SUCCESS;
}
else
rc = VERR_NO_MEMORY;
return rc;
}
int gctrlFreeExecBlock(PVBOXGUESTCTRLEXECBLOCK pBlock)
{
AssertPtr(pBlock);
RTStrFree(pBlock->pszCmd);
RTMemFree(pBlock->pvArgs);
RTMemFree(pBlock->pvEnv);
RTStrFree(pBlock->pszStdIn);
RTStrFree(pBlock->pszStdOut);
RTStrFree(pBlock->pszStdErr);
RTStrFree(pBlock->pszUsername);
RTStrFree(pBlock->pszPassword);
RT_ZERO(*pBlock);
return VINF_SUCCESS;
}
int gctrlPrepareHostCmdExec(PVBOXHGCMSVCPARM *ppaParms, uint32_t *pcParms,
PVBOXGUESTCTRLEXECBLOCK pBlock)
{
AssertPtr(ppaParms);
AssertPtr(pBlock);
PVBOXHGCMSVCPARM pNewParms =
(VBOXHGCMSVCPARM*)RTMemAlloc(sizeof(VBOXHGCMSVCPARM) * 13);
int rc;
if (pNewParms)
{
pNewParms[0].setUInt32(HOST_EXEC_CMD);
pNewParms[1].setUInt32(pBlock->u32Flags);
pNewParms[2].setPointer((void*)pBlock->pszCmd, (uint32_t)strlen(pBlock->pszCmd) + 1);
pNewParms[3].setUInt32(pBlock->u32Args);
pNewParms[4].setPointer((void*)pBlock->pvArgs, pBlock->cbArgs);
pNewParms[5].setUInt32(pBlock->u32EnvVars);
pNewParms[6].setPointer((void*)pBlock->pvEnv, pBlock->cbEnv);
pNewParms[7].setPointer((void*)pBlock->pszStdIn, (uint32_t)strlen(pBlock->pszStdIn) + 1);
pNewParms[8].setPointer((void*)pBlock->pszStdOut, (uint32_t)strlen(pBlock->pszStdOut) + 1);
pNewParms[9].setPointer((void*)pBlock->pszStdErr, (uint32_t)strlen(pBlock->pszStdErr) + 1);
pNewParms[10].setPointer((void*)pBlock->pszUsername, (uint32_t)strlen(pBlock->pszUsername) + 1);
pNewParms[11].setPointer((void*)pBlock->pszPassword, (uint32_t)strlen(pBlock->pszPassword) + 1);
pNewParms[12].setUInt32(pBlock->cMillies);
*ppaParms = pNewParms;
rc = VINF_SUCCESS;
}
else
rc = VERR_NO_MEMORY;
if (pcParms)
*pcParms = 13;
return rc;
}
void gctrlFreeHostCmd(PVBOXHGCMSVCPARM paParms)
{
RTMemFree(paParms);
}
*/
}
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