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Duplicate the user token before calling CreateProcessAsUser()

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See issue #2569 for more details.

svn path=/trunk/; revision=29845
This commit is contained in:
Hervé Poussineau 2007-10-24 07:45:44 +00:00
parent ff15530f99
commit 9fdfadf2fa
1 changed files with 11 additions and 1 deletions
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12
reactos/dll/win32/msgina/msgina.c
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@ -203,9 +203,17 @@ WlxStartApplication(
STARTUPINFOW StartupInfo; STARTUPINFOW StartupInfo;
PROCESS_INFORMATION ProcessInformation; PROCESS_INFORMATION ProcessInformation;
WCHAR CurrentDirectory[MAX_PATH]; WCHAR CurrentDirectory[MAX_PATH];
HANDLE hAppToken;
UINT len; UINT len;
BOOL ret; BOOL ret;
ret = DuplicateTokenEx(pgContext->UserToken, MAXIMUM_ALLOWED, NULL, SecurityImpersonation, TokenPrimary, &hAppToken);
if (!ret)
{
WARN("DuplicateTokenEx() failed with error %lu\n", GetLastError());
return FALSE;
}
ZeroMemory(&StartupInfo, sizeof(STARTUPINFOW)); ZeroMemory(&StartupInfo, sizeof(STARTUPINFOW));
StartupInfo.cb = sizeof(STARTUPINFOW); StartupInfo.cb = sizeof(STARTUPINFOW);
StartupInfo.lpTitle = pszCmdLine; StartupInfo.lpTitle = pszCmdLine;
@ -218,10 +226,11 @@ WlxStartApplication(
if (len > MAX_PATH) if (len > MAX_PATH)
{ {
WARN("GetWindowsDirectoryW() failed\n"); WARN("GetWindowsDirectoryW() failed\n");
CloseHandle(hAppToken);
return FALSE; return FALSE;
} }
ret = CreateProcessAsUserW( ret = CreateProcessAsUserW(
pgContext->UserToken, hAppToken,
pszCmdLine, pszCmdLine,
NULL, NULL,
NULL, NULL,
@ -232,6 +241,7 @@ WlxStartApplication(
CurrentDirectory, CurrentDirectory,
&StartupInfo, &StartupInfo,
&ProcessInformation); &ProcessInformation);
CloseHandle(hAppToken);
if (!ret) if (!ret)
WARN("CreateProcessAsUserW() failed with error %lu\n", GetLastError()); WARN("CreateProcessAsUserW() failed with error %lu\n", GetLastError());
return ret; return ret;