133 lines
2.9 KiB
C++
133 lines
2.9 KiB
C++
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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SetEnvironmentVariable.cpp
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Abstract:
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mapi dlls don't ship with w2k, and with outlook2000 it gets installed in a different
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location (%commonprogramfiles%)
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resumemaker and possibly others depend on mapi dlls being in system32 directory.
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Command line syntax is "envvariablename|envvariablevalue|envvariablename|envvariablevalue"
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Notes:
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This is an app specific shim.
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History:
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07/02/2000 jarbats Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(SetEnvironmentVariable)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_END
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/*++
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Set environment variables in the command line to get some dll path resolutions correct.
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--*/
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BOOL
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NOTIFY_FUNCTION(
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DWORD fdwReason
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)
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{
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if (fdwReason == DLL_PROCESS_ATTACH) {
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char *CmdLine = COMMAND_LINE;
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char *lpstrEnvName,*lpstrEnvVal,*lpstrBuf;
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DWORD num;
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while (1)
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{
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lpstrEnvName = lpstrEnvVal = CmdLine;
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while (*CmdLine && (*CmdLine != '|')) CmdLine++;
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if (*CmdLine == '|')
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{
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*CmdLine = '\0';
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CmdLine++;
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}
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lpstrEnvVal = CmdLine;
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if (0 == *lpstrEnvVal)
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{
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break;
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}
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lpstrBuf = NULL;
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num = 0;
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num = ExpandEnvironmentStringsA(lpstrEnvVal, lpstrBuf, 0);
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if (0 == num)
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{
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DPFN( eDbgLevelError, "Couldn't get environment strings size in the input\n %s\n", lpstrEnvVal);
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return TRUE;
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}
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lpstrBuf = (char*) HeapAlloc(GetProcessHeap(), 0, num+1);
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if (NULL == lpstrBuf)
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{
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DPFN( eDbgLevelError," Couldn't allocate memory");
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return TRUE;
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}
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num = ExpandEnvironmentStringsA(lpstrEnvVal,lpstrBuf,num);
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if (0 == num)
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{
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DPFN( eDbgLevelError, "Couldn't expand environment strings in the input\n %s\n", lpstrEnvVal);
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HeapFree(GetProcessHeap(),0,lpstrBuf);
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return TRUE;
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}
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if (SetEnvironmentVariableA(lpstrEnvName,lpstrBuf))
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{
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DPFN( eDbgLevelInfo, "Set %s to %s\n",lpstrEnvName,lpstrBuf);
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}
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else
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{
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DPFN( eDbgLevelInfo, "No Success setting %s to %s\n",lpstrEnvName,lpstrEnvVal);
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}
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if (NULL != lpstrBuf)
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{
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HeapFree(GetProcessHeap(),0,lpstrBuf);
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}
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while (*CmdLine && (*CmdLine == '|')) CmdLine++;
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}
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}
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return TRUE;
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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CALL_NOTIFY_FUNCTION
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HOOK_END
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IMPLEMENT_SHIM_END
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