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https://github.com/reactos/reactos.git
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- Simplified the converting of environment variables.
svn path=/trunk/; revision=9407
This commit is contained in:
Hartmut Birr
parent
4b6ab2d1c6
commit
aa82813f06
1 changed files with 142 additions and 171 deletions
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@ -1,4 +1,4 @@
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/* $Id: create.c,v 1.84 2004/05/15 19:24:59 hbirr Exp $
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/* $Id: create.c,v 1.85 2004/05/15 20:25:09 hbirr Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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@ -100,19 +100,16 @@ VOID STDCALL RtlRosR32AttribsToNativeAttribsNamed
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/*
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* @implemented
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*/
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BOOL STDCALL CreateProcessA
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(
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LPCSTR lpApplicationName,
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LPSTR lpCommandLine,
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LPSECURITY_ATTRIBUTES lpProcessAttributes,
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LPSECURITY_ATTRIBUTES lpThreadAttributes,
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BOOL bInheritHandles,
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DWORD dwCreationFlags,
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LPVOID lpEnvironment,
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LPCSTR lpCurrentDirectory,
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LPSTARTUPINFOA lpStartupInfo,
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LPPROCESS_INFORMATION lpProcessInformation
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)
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BOOL STDCALL CreateProcessA(LPCSTR lpApplicationName,
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LPSTR lpCommandLine,
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LPSECURITY_ATTRIBUTES lpProcessAttributes,
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LPSECURITY_ATTRIBUTES lpThreadAttributes,
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BOOL bInheritHandles,
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DWORD dwCreationFlags,
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LPVOID lpEnvironment,
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LPCSTR lpCurrentDirectory,
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LPSTARTUPINFOA lpStartupInfo,
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LPPROCESS_INFORMATION lpProcessInformation)
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/*
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* FUNCTION: The CreateProcess function creates a new process and its
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* primary thread. The new process executes the specified executable file
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@ -130,185 +127,159 @@ BOOL STDCALL CreateProcessA
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* lpProcessInformation = Pointer to process information
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*/
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{
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PWCHAR pwcEnv = NULL;
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UNICODE_STRING wstrApplicationName;
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UNICODE_STRING wstrCurrentDirectory;
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UNICODE_STRING wstrCommandLine;
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UNICODE_STRING wstrReserved;
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UNICODE_STRING wstrDesktop;
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UNICODE_STRING wstrTitle;
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ANSI_STRING strApplicationName;
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ANSI_STRING strCurrentDirectory;
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ANSI_STRING strCommandLine;
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ANSI_STRING strReserved;
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ANSI_STRING strDesktop;
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ANSI_STRING strTitle;
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BOOL bRetVal;
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STARTUPINFOW wsiStartupInfo;
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UNICODE_STRING wstrApplicationName;
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UNICODE_STRING wstrCurrentDirectory;
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UNICODE_STRING wstrCommandLine;
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UNICODE_STRING wstrReserved;
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UNICODE_STRING wstrDesktop;
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UNICODE_STRING wstrTitle;
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UNICODE_STRING wstrEnvVar;
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ANSI_STRING strApplicationName;
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ANSI_STRING strCurrentDirectory;
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ANSI_STRING strCommandLine;
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ANSI_STRING strReserved;
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ANSI_STRING strDesktop;
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ANSI_STRING strTitle;
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BOOL bRetVal;
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STARTUPINFOW wsiStartupInfo;
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NTSTATUS STDCALL_FUNC (*pTrue)
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(
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UNICODE_STRING *,
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ANSI_STRING *,
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BOOLEAN
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);
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NTSTATUS STDCALL_FUNC (*pTrue)
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(
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UNICODE_STRING *,
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ANSI_STRING *,
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BOOLEAN
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);
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ULONG STDCALL_FUNC (*pRtlMbStringToUnicodeSize)(ANSI_STRING *);
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ULONG STDCALL_FUNC (*pRtlMbStringToUnicodeSize)(ANSI_STRING *);
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DPRINT("CreateProcessA(%s)\n", lpApplicationName);
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DPRINT("dwCreationFlags %x, lpEnvironment %x, lpCurrentDirectory %x, "
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"lpStartupInfo %x, lpProcessInformation %x\n",
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dwCreationFlags, lpEnvironment, lpCurrentDirectory,
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lpStartupInfo, lpProcessInformation);
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DPRINT
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(
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"dwCreationFlags %x, lpEnvironment %x, lpCurrentDirectory %x, "
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"lpStartupInfo %x, lpProcessInformation %x\n",
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dwCreationFlags,
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lpEnvironment,
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lpCurrentDirectory,
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lpStartupInfo,
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lpProcessInformation
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);
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/* multibyte strings are ANSI */
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if(bIsFileApiAnsi)
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{
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pTrue = RtlAnsiStringToUnicodeString;
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pRtlMbStringToUnicodeSize = RtlAnsiStringToUnicodeSize;
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}
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/* multibyte strings are OEM */
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else
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{
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pTrue = RtlOemStringToUnicodeString;
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pRtlMbStringToUnicodeSize = RtlOemStringToUnicodeSize;
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}
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/* invalid parameter */
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if(lpStartupInfo == NULL)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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/* invalid parameter */
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if(lpStartupInfo == NULL)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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/* multibyte strings are ANSI */
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if(bIsFileApiAnsi)
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{
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pTrue = RtlAnsiStringToUnicodeString;
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pRtlMbStringToUnicodeSize = RtlAnsiStringToUnicodeSize;
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}
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/* multibyte strings are OEM */
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else
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{
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pTrue = RtlOemStringToUnicodeString;
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pRtlMbStringToUnicodeSize = RtlOemStringToUnicodeSize;
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}
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/* convert the environment */
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if(lpEnvironment && !(dwCreationFlags & CREATE_UNICODE_ENVIRONMENT))
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{
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PCHAR pcScan;
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SIZE_T nEnvLen = 0;
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ANSI_STRING strEnvVar;
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NTSTATUS Status;
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/* convert the environment */
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if(lpEnvironment && !(dwCreationFlags & CREATE_UNICODE_ENVIRONMENT))
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{
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PCHAR pcScan;
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SIZE_T nEnvLen = 0;
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UNICODE_STRING wstrEnvVar;
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ANSI_STRING strEnvVar;
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/* scan the environment to calculate its Unicode size */
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pcScan = lpEnvironment;
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do
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{
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pcScan += strlen(pcScan) + 1;
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}
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while (*pcScan);
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/* scan the environment to calculate its Unicode size */
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for(pcScan = lpEnvironment; *pcScan; pcScan += strEnvVar.Length + sizeof(char))
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{
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/* add the size of the current variable */
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RtlInitAnsiString(&strEnvVar, pcScan);
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nEnvLen += pRtlMbStringToUnicodeSize(&strEnvVar) + sizeof(WCHAR);
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}
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nEnvLen = (ULONG_PTR)pcScan - (ULONG_PTR)lpEnvironment + 1;
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/* environment too large */
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if(nEnvLen > ~((USHORT)0))
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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/* add the size of the final NUL character */
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nEnvLen += sizeof(WCHAR);
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strEnvVar.Buffer = lpEnvironment;
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strEnvVar.MaximumLength = strEnvVar.Length = nEnvLen;
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/* environment too large */
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if(nEnvLen > ~((USHORT)0))
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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Status = K32MbStrToWcStr(pTrue, &wstrEnvVar, &strEnvVar, TRUE);
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/* allocate the Unicode environment */
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pwcEnv = (PWCHAR)RtlAllocateHeap(GetProcessHeap(), HEAP_ZERO_MEMORY, nEnvLen);
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/* failure */
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if (!NT_SUCCESS(Status))
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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}
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/* failure */
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if(pwcEnv == NULL)
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{
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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/* convert the strings */
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RtlInitAnsiString(&strCommandLine, lpCommandLine);
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RtlInitAnsiString(&strApplicationName, (LPSTR)lpApplicationName);
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RtlInitAnsiString(&strCurrentDirectory, (LPSTR)lpCurrentDirectory);
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RtlInitAnsiString(&strReserved, (LPSTR)lpStartupInfo->lpReserved);
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RtlInitAnsiString(&strDesktop, (LPSTR)lpStartupInfo->lpDesktop);
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RtlInitAnsiString(&strTitle, (LPSTR)lpStartupInfo->lpTitle);
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wstrEnvVar.Buffer = pwcEnv;
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wstrEnvVar.Length = 0;
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wstrEnvVar.MaximumLength = nEnvLen;
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K32MbStrToWcStr(pTrue, &wstrCommandLine, &strCommandLine, TRUE);
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K32MbStrToWcStr(pTrue, &wstrApplicationName, &strApplicationName, TRUE);
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K32MbStrToWcStr(pTrue, &wstrCurrentDirectory, &strCurrentDirectory, TRUE);
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K32MbStrToWcStr(pTrue, &wstrReserved, &strReserved, TRUE);
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K32MbStrToWcStr(pTrue, &wstrDesktop, &strDesktop, TRUE);
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K32MbStrToWcStr(pTrue, &wstrTitle, &strTitle, TRUE);
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/* scan the environment to convert it */
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for(pcScan = lpEnvironment; *pcScan; pcScan += strEnvVar.Length + sizeof(char))
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{
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/* convert the current variable */
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RtlInitAnsiString(&strEnvVar, pcScan);
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K32MbStrToWcStr(pTrue, &wstrEnvVar, &strEnvVar, FALSE);
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/* convert the startup information */
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memcpy(&wsiStartupInfo, lpStartupInfo, sizeof(wsiStartupInfo));
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/* advance the buffer to the next variable */
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wstrEnvVar.Buffer += (wstrEnvVar.Length / sizeof(WCHAR) + 1);
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wstrEnvVar.MaximumLength -= (wstrEnvVar.Length + sizeof(WCHAR));
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wstrEnvVar.Length = 0;
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}
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wsiStartupInfo.lpReserved = wstrReserved.Buffer;
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wsiStartupInfo.lpDesktop = wstrDesktop.Buffer;
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wsiStartupInfo.lpTitle = wstrTitle.Buffer;
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/* final NUL character */
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wstrEnvVar.Buffer[0] = 0;
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}
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DPRINT("wstrApplicationName %wZ\n", &wstrApplicationName);
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DPRINT("wstrCommandLine %wZ\n", &wstrCommandLine);
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DPRINT("wstrCurrentDirectory %wZ\n", &wstrCurrentDirectory);
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DPRINT("wstrReserved %wZ\n", &wstrReserved);
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DPRINT("wstrDesktop %wZ\n", &wstrDesktop);
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DPRINT("wstrTitle %wZ\n", &wstrTitle);
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/* convert the strings */
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RtlInitAnsiString(&strCommandLine, lpCommandLine);
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RtlInitAnsiString(&strApplicationName, (LPSTR)lpApplicationName);
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RtlInitAnsiString(&strCurrentDirectory, (LPSTR)lpCurrentDirectory);
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RtlInitAnsiString(&strReserved, (LPSTR)lpStartupInfo->lpReserved);
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RtlInitAnsiString(&strDesktop, (LPSTR)lpStartupInfo->lpDesktop);
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RtlInitAnsiString(&strTitle, (LPSTR)lpStartupInfo->lpTitle);
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DPRINT("wstrApplicationName.Buffer %p\n", wstrApplicationName.Buffer);
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DPRINT("wstrCommandLine.Buffer %p\n", wstrCommandLine.Buffer);
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DPRINT("wstrCurrentDirectory.Buffer %p\n", wstrCurrentDirectory.Buffer);
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DPRINT("wstrReserved.Buffer %p\n", wstrReserved.Buffer);
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DPRINT("wstrDesktop.Buffer %p\n", wstrDesktop.Buffer);
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DPRINT("wstrTitle.Buffer %p\n", wstrTitle.Buffer);
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K32MbStrToWcStr(pTrue, &wstrCommandLine, &strCommandLine, TRUE);
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K32MbStrToWcStr(pTrue, &wstrApplicationName, &strApplicationName, TRUE);
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K32MbStrToWcStr(pTrue, &wstrCurrentDirectory, &strCurrentDirectory, TRUE);
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K32MbStrToWcStr(pTrue, &wstrReserved, &strReserved, TRUE);
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K32MbStrToWcStr(pTrue, &wstrDesktop, &strDesktop, TRUE);
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K32MbStrToWcStr(pTrue, &wstrTitle, &strTitle, TRUE);
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DPRINT("sizeof(STARTUPINFOA) %lu\n", sizeof(STARTUPINFOA));
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DPRINT("sizeof(STARTUPINFOW) %lu\n", sizeof(STARTUPINFOW));
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/* convert the startup information */
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memcpy(&wsiStartupInfo, lpStartupInfo, sizeof(wsiStartupInfo));
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/* call the Unicode function */
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bRetVal = CreateProcessW(wstrApplicationName.Buffer,
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wstrCommandLine.Buffer,
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lpProcessAttributes,
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lpThreadAttributes,
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bInheritHandles,
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dwCreationFlags,
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!lpEnvironment || (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT) ? lpEnvironment : wstrEnvVar.Buffer,
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wstrCurrentDirectory.Buffer,
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&wsiStartupInfo,
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lpProcessInformation);
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wsiStartupInfo.lpReserved = wstrReserved.Buffer;
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wsiStartupInfo.lpDesktop = wstrDesktop.Buffer;
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wsiStartupInfo.lpTitle = wstrTitle.Buffer;
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RtlFreeUnicodeString(&wstrApplicationName);
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RtlFreeUnicodeString(&wstrCommandLine);
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RtlFreeUnicodeString(&wstrCurrentDirectory);
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RtlFreeUnicodeString(&wstrReserved);
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RtlFreeUnicodeString(&wstrDesktop);
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RtlFreeUnicodeString(&wstrTitle);
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DPRINT("wstrApplicationName %wZ\n", &wstrApplicationName);
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DPRINT("wstrCommandLine %wZ\n", &wstrCommandLine);
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DPRINT("wstrCurrentDirectory %wZ\n", &wstrCurrentDirectory);
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DPRINT("wstrReserved %wZ\n", &wstrReserved);
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DPRINT("wstrDesktop %wZ\n", &wstrDesktop);
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DPRINT("wstrTitle %wZ\n", &wstrTitle);
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if (lpEnvironment && !(dwCreationFlags & CREATE_UNICODE_ENVIRONMENT))
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{
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RtlFreeUnicodeString(&wstrEnvVar);
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}
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DPRINT("wstrApplicationName.Buffer %p\n", wstrApplicationName.Buffer);
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DPRINT("wstrCommandLine.Buffer %p\n", wstrCommandLine.Buffer);
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DPRINT("wstrCurrentDirectory.Buffer %p\n", wstrCurrentDirectory.Buffer);
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DPRINT("wstrReserved.Buffer %p\n", wstrReserved.Buffer);
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DPRINT("wstrDesktop.Buffer %p\n", wstrDesktop.Buffer);
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DPRINT("wstrTitle.Buffer %p\n", wstrTitle.Buffer);
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DPRINT("sizeof(STARTUPINFOA) %lu\n", sizeof(STARTUPINFOA));
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DPRINT("sizeof(STARTUPINFOW) %lu\n", sizeof(STARTUPINFOW));
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/* call the Unicode function */
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bRetVal = CreateProcessW
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(
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wstrApplicationName.Buffer,
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wstrCommandLine.Buffer,
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lpProcessAttributes,
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lpThreadAttributes,
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bInheritHandles,
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dwCreationFlags,
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dwCreationFlags & CREATE_UNICODE_ENVIRONMENT ? lpEnvironment : pwcEnv,
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wstrCurrentDirectory.Buffer,
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&wsiStartupInfo,
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lpProcessInformation
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);
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RtlFreeUnicodeString(&wstrApplicationName);
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RtlFreeUnicodeString(&wstrCommandLine);
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RtlFreeUnicodeString(&wstrCurrentDirectory);
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RtlFreeUnicodeString(&wstrReserved);
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RtlFreeUnicodeString(&wstrDesktop);
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RtlFreeUnicodeString(&wstrTitle);
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RtlFreeHeap(GetProcessHeap(), 0, pwcEnv);
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return bRetVal;
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return bRetVal;
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}
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