184 lines
3.3 KiB
C++
184 lines
3.3 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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VSAnalyzerServerSetup.cpp
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Abstract:
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This fix is for hardening the passwords for
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Visual C++ Analyzer Server Setup.
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Notes:
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This is an app specific shim.
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History:
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02/17/2000 clupu Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(VSAnalyzerServerSetup)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(NetUserAdd)
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APIHOOK_ENUM_ENTRY(LsaStorePrivateData)
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APIHOOK_ENUM_END
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#include <lmcons.h>
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#include <lmaccess.h>
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#include <ntsecapi.h>
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static WCHAR gwszPW[LM20_PWLEN] = L"Aa+0";
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/*++
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Harden the password requirements
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--*/
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DWORD
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APIHOOK(NetUserAdd)(
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LPCWSTR servername,
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DWORD level,
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LPBYTE buf,
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LPDWORD parm_err
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)
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{
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NET_API_STATUS Status;
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USER_INFO_2* puiNew;
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LPWSTR pwszPSWRD;
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int nBytes;
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if (level == 2) {
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//
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// Grab the pointer to the buffer as a pointer to USER_INFO_2
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//
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puiNew = (USER_INFO_2*)buf;
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//
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// Get the current password.
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//
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pwszPSWRD = puiNew->usri2_password;
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DPFN(
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eDbgLevelInfo,
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"VSAnalyzerServerSetup.dll, NetUserAdd PW: \"%ws\".\n",
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pwszPSWRD);
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//
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// Copy the current password to the temp buffer.
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//
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lstrcpyW(gwszPW + 4, pwszPSWRD + 4);
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//
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// Stick in the new password.
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//
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puiNew->usri2_password = gwszPW;
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DPFN(
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eDbgLevelInfo,
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"VSAnalyzerServerSetup.dll, NetUserAdd new PW: \"%ws\".\n",
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gwszPW);
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}
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//
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// Call the original API.
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//
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Status = ORIGINAL_API(NetUserAdd)(
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servername,
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level,
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buf,
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parm_err);
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if (level == 2) {
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//
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// Restore the password.
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//
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puiNew->usri2_password = pwszPSWRD;
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}
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return Status;
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}
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/*++
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Harden the password requirements
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--*/
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NTSTATUS
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APIHOOK(LsaStorePrivateData)(
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LSA_HANDLE PolicyHandle,
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PLSA_UNICODE_STRING KeyName,
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PLSA_UNICODE_STRING PrivateData
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)
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{
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NTSTATUS Status;
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LPWSTR pwszPSWRD;
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//
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// Save the originals.
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//
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pwszPSWRD = PrivateData->Buffer;
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DPFN(
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eDbgLevelInfo,
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"VSAnalyzerServerSetup.dll, LsaStorePrivateData PW: \"%ws\".\n",
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pwszPSWRD);
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//
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// Copy the current password to the temp buffer.
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//
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lstrcpyW(gwszPW + 4, pwszPSWRD + 4);
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//
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// Stick in the new settings.
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//
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PrivateData->Buffer = gwszPW;
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DPFN(
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eDbgLevelInfo,
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"VSAnalyzerServerSetup.dll, LsaStorePrivateData new PW: \"%ws\".\n",
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gwszPW);
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//
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// Call the original LsaStorePrivateData.
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//
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Status = ORIGINAL_API(LsaStorePrivateData)(
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PolicyHandle,
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KeyName,
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PrivateData);
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//
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// Restore the originals.
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//
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PrivateData->Buffer = pwszPSWRD;
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return Status;
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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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APIHOOK_ENTRY(NETAPI32.DLL, NetUserAdd)
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APIHOOK_ENTRY(ADVAPI32.DLL, LsaStorePrivateData)
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HOOK_END
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IMPLEMENT_SHIM_END
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