FreeRDP/winpr/libwinpr/shell/shell.c
2015-06-23 21:29:21 +02:00

148 lines
2.7 KiB
C

/**
* WinPR: Windows Portable Runtime
* Shell Functions
*
* Copyright 2015 Dell Software <Mike.McDonald@software.dell.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/shell.h>
/**
* shell32.dll:
*
* GetUserProfileDirectoryA
* GetUserProfileDirectoryW
*/
#ifndef _WIN32
#include <winpr/crt.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <pwd.h>
#include <grp.h>
#include "../handle/handle.h"
#include "../security/security.h"
BOOL GetUserProfileDirectoryA(HANDLE hToken, LPSTR lpProfileDir, LPDWORD lpcchSize)
{
char* buf;
int buflen;
int status;
DWORD cchDirSize;
struct passwd pwd;
struct passwd* pw = NULL;
WINPR_ACCESS_TOKEN* token;
token = (WINPR_ACCESS_TOKEN*) hToken;
if (!token || (token->Type != HANDLE_TYPE_ACCESS_TOKEN) || !lpcchSize)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
if (buflen == -1)
buflen = 8196;
buf = (char*) malloc(buflen);
if (!buf)
return FALSE;
status = getpwnam_r(token->Username, &pwd, buf, buflen, &pw);
if ((status != 0) || !pw)
{
SetLastError(ERROR_INVALID_PARAMETER);
free (buf);
return FALSE;
}
cchDirSize = strlen(pw->pw_dir) + 1;
if (!lpProfileDir || (*lpcchSize < cchDirSize))
{
*lpcchSize = cchDirSize;
SetLastError(ERROR_INSUFFICIENT_BUFFER);
free(buf);
return FALSE;
}
ZeroMemory(lpProfileDir, *lpcchSize);
strcpy(lpProfileDir, pw->pw_dir);
*lpcchSize = cchDirSize;
free(buf);
return TRUE;
}
BOOL GetUserProfileDirectoryW(HANDLE hToken, LPWSTR lpProfileDir, LPDWORD lpcchSize)
{
BOOL bStatus;
DWORD cchSizeA;
LPSTR lpProfileDirA;
if (!lpcchSize)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
cchSizeA = *lpcchSize;
lpProfileDirA = NULL;
if (lpProfileDir)
{
lpProfileDirA = (LPSTR) malloc(cchSizeA);
if (lpProfileDirA == NULL)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
}
bStatus = GetUserProfileDirectoryA(hToken, lpProfileDirA, &cchSizeA);
if (bStatus)
{
MultiByteToWideChar(CP_ACP, 0, lpProfileDirA, cchSizeA, lpProfileDir, *lpcchSize);
}
if (lpProfileDirA)
{
free(lpProfileDirA);
}
*lpcchSize = cchSizeA;
return bStatus;
}
#endif