/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you 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 .
*/
#include "system.h"
#include <osl/security.h>
#include <osl/diagnose.h>
#include <osl/thread.h>
#include <osl/file.h>
#include <systools/win32/uwinapi.h>
#include <sddl.h>
#include <sal/macros.h>
#include <sal/log.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include "secimpl.hxx"
/* Data for use in (un)LoadProfile Functions */
/* Declarations based on USERENV.H for Windows 2000 Beta 2 */
#define PI_NOUI 0x00000001 // Prevents displaying of messages
typedef struct {
DWORD dwSize; // Must be set to sizeof(PROFILEINFO)
DWORD dwFlags; // See flags above
LPWSTR lpUserName; // User name (required)
LPWSTR lpProfilePath; // Roaming profile path
LPWSTR lpDefaultPath; // Default user profile path
LPWSTR lpServerName; // Validating DC name in netbios format
LPWSTR lpPolicyPath; // Path to the NT4 style policy file
HANDLE hProfile; // Registry key handle - filled by function
} PROFILEINFOW, FAR * LPPROFILEINFOW;
/* Typedefs for function pointers in USERENV.DLL */
typedef BOOL (STDMETHODCALLTYPE FAR * LPFNLOADUSERPROFILE) (
HANDLE hToken,
LPPROFILEINFOW lpProfileInfo
);
typedef BOOL (STDMETHODCALLTYPE FAR * LPFNUNLOADUSERPROFILE) (
HANDLE hToken,
HANDLE hProfile
);
typedef BOOL (STDMETHODCALLTYPE FAR * LPFNGETUSERPROFILEDIR) (
HANDLE hToken,
LPWSTR lpProfileDir,
LPDWORD lpcchSize
);
/* To get an impersonation token we need to create an impersonation
duplicate so every access token has to be created with duplicate
access rights */
#define TOKEN_DUP_QUERY (TOKEN_QUERY|TOKEN_DUPLICATE)
static bool GetSpecialFolder(rtl_uString **strPath,int nFolder);
// We use LPCTSTR here, because we use it with SE_foo_NAME constants
// which are defined in winnt.h as UNICODE-dependent TEXT("PrivilegeName")
static BOOL Privilege(LPCTSTR pszPrivilege, BOOL bEnable);
static bool getUserNameImpl(oslSecurity Security, rtl_uString **strName, bool bIncludeDomain);
oslSecurity SAL_CALL osl_getCurrentSecurity(void)
{
oslSecurityImpl* pSecImpl = static_cast<oslSecurityImpl *>(malloc(sizeof(oslSecurityImpl)));
pSecImpl->m_pNetResource = nullptr;
pSecImpl->m_User[0] = '\0';
pSecImpl->m_hToken = nullptr;
pSecImpl->m_hProfile = nullptr;
return pSecImpl;
}
oslSecurityError SAL_CALL osl_loginUser( rtl_uString *strUserName, rtl_uString *strPasswd, oslSecurity *pSecurity )
{
oslSecurityError ret;
sal_Unicode* strUser;
sal_Unicode* strDomain = o3tl::toU(_wcsdup(o3tl::toW(rtl_uString_getStr(strUserName))));
HANDLE hUserToken;
LUID luid;
if (nullptr != (strUser = o3tl::toU(wcschr(o3tl::toW(strDomain), L'/'))))
*strUser++ = L'\0';
else
{
strUser = strDomain;
strDomain = nullptr;
}
// this process must have the right: 'act as a part of operatingsystem'
OSL_ASSERT(LookupPrivilegeValue(nullptr, SE_TCB_NAME, &luid));
(void) luid;
if (LogonUserW(o3tl::toW(strUser), strDomain ? o3tl::toW(strDomain) : L"", o3tl::toW(rtl_uString_getStr(strPasswd)),
LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT,
&hUserToken))
{
oslSecurityImpl* pSecImpl = static_cast<oslSecurityImpl *>(malloc(sizeof(oslSecurityImpl)));
pSecImpl->m_pNetResource = nullptr;
pSecImpl->m_hToken = hUserToken;
pSecImpl->m_hProfile = nullptr;
wcscpy(o3tl::toW(pSecImpl->m_User), o3tl::toW(strUser));
*pSecurity = pSecImpl;
ret = osl_Security_E_None;
}
else
{
ret = osl_Security_E_UserUnknown;
}
if (strDomain)
free(strDomain);
else
free(strUser);
return ret;
}
oslSecurityError SAL_CALL osl_loginUserOnFileServer(rtl_uString *strUserName,
rtl_uString *strPasswd,
rtl_uString *strFileServer,
oslSecurity *pSecurity)
{
oslSecurityError ret;
DWORD err;
NETRESOURCEW netResource;
sal_Unicode* remoteName;
sal_Unicode* userName;
remoteName = static_cast<sal_Unicode *>(malloc((rtl_uString_getLength(strFileServer) + rtl_uString_getLength(strUserName) + 4) * sizeof(sal_Unicode)));
userName = static_cast<sal_Unicode *>(malloc((rtl_uString_getLength(strFileServer) + rtl_uString_getLength(strUserName) + 2) * sizeof(sal_Unicode)));
wcscpy(o3tl::toW(remoteName), L"\\\\");
wcscat(o3tl::toW(remoteName), o3tl::toW(rtl_uString_getStr(strFileServer)));
wcscat(o3tl::toW(remoteName), L"\\");
wcscat(o3tl::toW(remoteName), o3tl::toW(rtl_uString_getStr(strUserName)));
wcscpy(o3tl::toW(userName), o3tl::toW(rtl_uString_getStr(strFileServer)));
wcscat(o3tl::toW(userName), L"\\");
wcscat(o3tl::toW(userName), o3tl::toW(rtl_uString_getStr(strUserName)));
netResource.dwScope = RESOURCE_GLOBALNET;
netResource.dwType = RESOURCETYPE_DISK;
netResource.dwDisplayType = RESOURCEDISPLAYTYPE_SHARE;
netResource.dwUsage = RESOURCEUSAGE_CONNECTABLE;
netResource.lpLocalName = nullptr;
netResource.lpRemoteName = o3tl::toW(remoteName);
netResource.lpComment = nullptr;
netResource.lpProvider = nullptr;
err = WNetAddConnection2W(&netResource, o3tl::toW(rtl_uString_getStr(strPasswd)), o3tl::toW(userName), 0);
if ((err == NO_ERROR) || (err == ERROR_ALREADY_ASSIGNED))
{
oslSecurityImpl* pSecImpl = static_cast<oslSecurityImpl *>(malloc(sizeof(oslSecurityImpl)));
pSecImpl->m_pNetResource = static_cast<NETRESOURCEW *>(malloc(sizeof(NETRESOURCE)));
*pSecImpl->m_pNetResource = netResource;
pSecImpl->m_hToken = nullptr;
pSecImpl->m_hProfile = nullptr;
wcscpy(o3tl::toW(pSecImpl->m_User), o3tl::toW(rtl_uString_getStr(strUserName)));
*pSecurity = pSecImpl;
ret = osl_Security_E_None;
}
else
{
ret = osl_Security_E_UserUnknown;
}
free(remoteName);
free(userName);
return ret;
}
sal_Bool SAL_CALL osl_isAdministrator(oslSecurity Security)
{
if (Security != nullptr)
{
HANDLE hImpersonationToken = nullptr;
PSID psidAdministrators;
SID_IDENTIFIER_AUTHORITY siaNtAuthority = { SECURITY_NT_AUTHORITY };
bool bSuccess = false;
/* If Security contains an access token we need to duplicate it to an impersonation
access token. NULL works with CheckTokenMembership() as the current effective
impersonation token
*/
if ( static_cast<oslSecurityImpl*>(Security)->m_hToken )
{
if ( !DuplicateToken (static_cast<oslSecurityImpl*>(Security)->m_hToken, SecurityImpersonation, &hImpersonationToken) )
return false;
}
/* CheckTokenMembership() can be used on W2K and higher (NT4 no longer supported by OOo)
and also works on Vista to retrieve the effective user rights. Just checking for
membership of Administrators group is not enough on Vista this would require additional
complicated checks as described in KB article Q118626: http://support.microsoft.com/kb/118626/en-us
*/
if (AllocateAndInitializeSid(&siaNtAuthority,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&psidAdministrators))
{
BOOL fSuccess = FALSE;
if (CheckTokenMembership(hImpersonationToken, psidAdministrators, &fSuccess) && fSuccess)
bSuccess = true;
FreeSid(psidAdministrators);
}
if (hImpersonationToken)
CloseHandle(hImpersonationToken);
return bSuccess;
}
else
{
return false;
}
}
void SAL_CALL osl_freeSecurityHandle(oslSecurity Security)
{
if (Security)
{
oslSecurityImpl *pSecImpl = static_cast<oslSecurityImpl*>(Security);
if (pSecImpl->m_pNetResource != nullptr)
{
WNetCancelConnection2W(pSecImpl->m_pNetResource->lpRemoteName, 0, true);
free(pSecImpl->m_pNetResource->lpRemoteName);
free(pSecImpl->m_pNetResource);
}
if (pSecImpl->m_hToken)
CloseHandle(pSecImpl->m_hToken);
if ( pSecImpl->m_hProfile )
CloseHandle(pSecImpl->m_hProfile);
free (pSecImpl);
}
}
sal_Bool SAL_CALL osl_getUserIdent(oslSecurity Security, rtl_uString **strIdent)
{
if (Security != nullptr)
{
oslSecurityImpl *pSecImpl = static_cast<oslSecurityImpl*>(Security);
HANDLE hAccessToken = pSecImpl->m_hToken;
if (hAccessToken == nullptr)
OpenProcessToken(GetCurrentProcess(), TOKEN_DUP_QUERY, &hAccessToken);
if (hAccessToken)
{
DWORD nInfoBuffer = 512;
UCHAR* pInfoBuffer = static_cast<UCHAR *>(malloc(nInfoBuffer));
while (!GetTokenInformation(hAccessToken, TokenUser,
pInfoBuffer, nInfoBuffer, &nInfoBuffer))
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
pInfoBuffer = static_cast<UCHAR *>(realloc(pInfoBuffer, nInfoBuffer));
}
else
{
free(pInfoBuffer);
pInfoBuffer = nullptr;
break;
}
}
if (pSecImpl->m_hToken == nullptr)
CloseHandle(hAccessToken);
if (pInfoBuffer)
{
PSID pSid = reinterpret_cast<PTOKEN_USER>(pInfoBuffer)->User.Sid;
LPWSTR pSidStr = nullptr;
BOOL bResult = ConvertSidToStringSidW(pSid, &pSidStr);
if (bResult)
{
rtl_uString_newFromStr(strIdent, o3tl::toU(pSidStr));
LocalFree(pSidStr);
}
else
{
const DWORD dwError = GetLastError();
SAL_WARN(
"sal.osl",
"ConvertSidToStringSidW failed. GetLastError returned: " << dwError);
}
free(pInfoBuffer);
return bResult;
}
}
else
{
DWORD needed = 0;
sal_Unicode *Ident;
WNetGetUserW(nullptr, nullptr, &needed);
if (needed < 16)
needed = 16;
Ident = static_cast<sal_Unicode *>(malloc(needed*sizeof(sal_Unicode)));
if (WNetGetUserW(nullptr, o3tl::toW(Ident), &needed) != NO_ERROR)
{
wcscpy(o3tl::toW(Ident), L"unknown");
Ident[7] = L'\0';
}
rtl_uString_newFromStr( strIdent, Ident);
free(Ident);
return true;
}
}
return false;
}
sal_Bool SAL_CALL osl_getUserName(oslSecurity Security, rtl_uString **strName)
{
return getUserNameImpl(Security, strName, true);
}
sal_Bool SAL_CALL osl_getShortUserName(oslSecurity Security, rtl_uString **strName)
{
return getUserNameImpl(Security, strName, false);
}
sal_Bool SAL_CALL osl_getHomeDir(oslSecurity Security, rtl_uString **pustrDirectory)
{
rtl_uString *ustrSysDir = nullptr;
bool bSuccess = false;
if (Security != nullptr)
{
oslSecurityImpl *pSecImpl = static_cast<oslSecurityImpl*>(Security);
if (pSecImpl->m_pNetResource != nullptr)
{
rtl_uString_newFromStr( &ustrSysDir, o3tl::toU(pSecImpl->m_pNetResource->lpRemoteName));
bSuccess = osl_File_E_None == osl_getFileURLFromSystemPath( ustrSysDir, pustrDirectory );
}
else
{
bSuccess = GetSpecialFolder(&ustrSysDir, CSIDL_PERSONAL) &&
(osl_File_E_None == osl_getFileURLFromSystemPath(ustrSysDir, pustrDirectory));
}
}
if ( ustrSysDir )
rtl_uString_release( ustrSysDir );
return bSuccess;
}
sal_Bool SAL_CALL osl_getConfigDir(oslSecurity Security, rtl_uString **pustrDirectory)
{
bool bSuccess = false;
if (Security != nullptr)
{
oslSecurityImpl *pSecImpl = static_cast<oslSecurityImpl*>(Security);
if (pSecImpl->m_pNetResource != nullptr)
{
rtl_uString *ustrSysDir = nullptr;
rtl_uString_newFromStr( &ustrSysDir, o3tl::toU(pSecImpl->m_pNetResource->lpRemoteName));
bSuccess = osl_File_E_None == osl_getFileURLFromSystemPath( ustrSysDir, pustrDirectory);
if ( ustrSysDir )
rtl_uString_release( ustrSysDir );
}
else
{
if (pSecImpl->m_hToken)
{
/* not implemented */
OSL_ASSERT(false);
}
else
{
rtl_uString *ustrFile = nullptr;
sal_Unicode sFile[_MAX_PATH];
if ( !GetSpecialFolder( &ustrFile, CSIDL_APPDATA) )
{
OSL_VERIFY(GetWindowsDirectoryW(o3tl::toW(sFile), _MAX_DIR) > 0);
rtl_uString_newFromStr( &ustrFile, sFile);
}
bSuccess = osl_File_E_None == osl_getFileURLFromSystemPath(ustrFile, pustrDirectory);
if ( ustrFile )
rtl_uString_release( ustrFile );
}
}
}
return bSuccess;
}
sal_Bool SAL_CALL osl_loadUserProfile(oslSecurity Security)
{
/* CreateProcessAsUser does not load the specified user's profile
into the HKEY_USERS registry key. This means that access to information
in the HKEY_CURRENT_USER registry key may not produce results consistent
with a normal interactive logon.
It is your responsibility to load the user's registry hive into HKEY_USERS
with the LoadUserProfile function before calling CreateProcessAsUser.
*/
bool bOk = false;
RegCloseKey(HKEY_CURRENT_USER);
if (Privilege(SE_RESTORE_NAME, TRUE))
{
HMODULE hUserEnvLib = nullptr;
LPFNLOADUSERPROFILE fLoadUserProfile = nullptr;
LPFNUNLOADUSERPROFILE fUnloadUserProfile = nullptr;
HANDLE hAccessToken = static_cast<oslSecurityImpl*>(Security)->m_hToken;
/* try to create user profile */
if ( !hAccessToken )
{
/* retrieve security handle if not done before e.g. osl_getCurrentSecurity()
*/
HANDLE hProcess = GetCurrentProcess();
if (hProcess != nullptr)
{
OpenProcessToken(hProcess, TOKEN_IMPERSONATE, &hAccessToken);
CloseHandle(hProcess);
}
}
hUserEnvLib = LoadLibraryW(L"userenv.dll");
if (hUserEnvLib)
{
fLoadUserProfile = reinterpret_cast<LPFNLOADUSERPROFILE>(GetProcAddress(hUserEnvLib, "LoadUserProfileW"));
fUnloadUserProfile = reinterpret_cast<LPFNUNLOADUSERPROFILE>(GetProcAddress(hUserEnvLib, "UnloadUserProfile"));
if (fLoadUserProfile && fUnloadUserProfile)
{
rtl_uString *buffer = nullptr;
PROFILEINFOW pi;
getUserNameImpl(Security, &buffer, false);
ZeroMemory(&pi, sizeof(pi));
pi.dwSize = sizeof(pi);
pi.lpUserName = o3tl::toW(rtl_uString_getStr(buffer));
pi.dwFlags = PI_NOUI;
if (fLoadUserProfile(hAccessToken, &pi))
{
fUnloadUserProfile(hAccessToken, pi.hProfile);
bOk = true;
}
rtl_uString_release(buffer);
}
FreeLibrary(hUserEnvLib);
}
if (hAccessToken && (hAccessToken != static_cast<oslSecurityImpl*>(Security)->m_hToken))
CloseHandle(hAccessToken);
}
return bOk;
}
void SAL_CALL osl_unloadUserProfile(oslSecurity Security)
{
if ( static_cast<oslSecurityImpl*>(Security)->m_hProfile != nullptr )
{
HMODULE hUserEnvLib = nullptr;
LPFNUNLOADUSERPROFILE fUnloadUserProfile = nullptr;
HANDLE hAccessToken = static_cast<oslSecurityImpl*>(Security)->m_hToken;
if ( !hAccessToken )
{
/* retrieve security handle if not done before e.g. osl_getCurrentSecurity()
*/
HANDLE hProcess = GetCurrentProcess();
if (hProcess != nullptr)
{
OpenProcessToken(hProcess, TOKEN_IMPERSONATE, &hAccessToken);
CloseHandle(hProcess);
}
}
hUserEnvLib = LoadLibraryW(L"userenv.dll");
if (hUserEnvLib)
{
fUnloadUserProfile = reinterpret_cast<LPFNUNLOADUSERPROFILE>(GetProcAddress(hUserEnvLib, "UnloadUserProfile"));
if (fUnloadUserProfile)
{
/* unloading the user profile */
fUnloadUserProfile(hAccessToken, static_cast<oslSecurityImpl*>(Security)->m_hProfile);
}
FreeLibrary(hUserEnvLib);
}
static_cast<oslSecurityImpl*>(Security)->m_hProfile = nullptr;
if (hAccessToken && (hAccessToken != static_cast<oslSecurityImpl*>(Security)->m_hToken))
CloseHandle(hAccessToken);
}
}
static bool GetSpecialFolder(rtl_uString **strPath, int nFolder)
{
bool bRet = false;
HINSTANCE hLibrary = LoadLibraryW(L"shell32.dll");
if (hLibrary != nullptr)
{
sal_Unicode PathW[_MAX_PATH];
BOOL (WINAPI *pSHGetSpecialFolderPathW)(HWND, LPWSTR, int, BOOL) = reinterpret_cast<BOOL (WINAPI *)(HWND, LPWSTR, int, BOOL)>(GetProcAddress(hLibrary, "SHGetSpecialFolderPathW"));
if (pSHGetSpecialFolderPathW)
{
if (pSHGetSpecialFolderPathW(GetActiveWindow(), o3tl::toW(PathW), nFolder, TRUE))
{
rtl_uString_newFromStr( strPath, PathW);
bRet = true;
}
}
else
{
HRESULT (WINAPI *pSHGetSpecialFolderLocation)(HWND, int, LPITEMIDLIST *) = reinterpret_cast<HRESULT (WINAPI *)(HWND, int, LPITEMIDLIST *)>(GetProcAddress(hLibrary, "SHGetSpecialFolderLocation"));
BOOL (WINAPI *pSHGetPathFromIDListW)(LPCITEMIDLIST, LPWSTR) = reinterpret_cast<BOOL (WINAPI *)(LPCITEMIDLIST, LPWSTR)>(GetProcAddress(hLibrary, "SHGetPathFromIDListW"));
HRESULT (WINAPI *pSHGetMalloc)(LPMALLOC *) = reinterpret_cast<HRESULT (WINAPI *)(LPMALLOC *)>(GetProcAddress(hLibrary, "SHGetMalloc"));
if (pSHGetSpecialFolderLocation && pSHGetPathFromIDListW && pSHGetMalloc )
{
LPITEMIDLIST pidl;
LPMALLOC pMalloc;
HRESULT hr;
hr = pSHGetSpecialFolderLocation(GetActiveWindow(), nFolder, &pidl);
/* Get SHGetSpecialFolderLocation fails if directory does not exists. */
/* If it fails we try to create the directory and redo the call */
if (! SUCCEEDED(hr))
{
HKEY hRegKey;
if (RegOpenKeyW(HKEY_CURRENT_USER,
L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders",
&hRegKey) == ERROR_SUCCESS)
{
LONG lRet;
DWORD lSize = sizeof(PathW);
DWORD Type = REG_SZ;
switch (nFolder)
{
case CSIDL_APPDATA:
lRet = RegQueryValueExW(hRegKey, L"AppData", nullptr, &Type, reinterpret_cast<LPBYTE>(PathW), &lSize);
break;
case CSIDL_PERSONAL:
lRet = RegQueryValueExW(hRegKey, L"Personal", nullptr, &Type, reinterpret_cast<LPBYTE>(PathW), &lSize);
break;
default:
lRet = -1l;
}
if ((lRet == ERROR_SUCCESS) && (Type == REG_SZ))
{
if (_waccess(o3tl::toW(PathW), 0) < 0)
CreateDirectoryW(o3tl::toW(PathW), nullptr);
hr = pSHGetSpecialFolderLocation(GetActiveWindow(), nFolder, &pidl);
}
RegCloseKey(hRegKey);
}
}
if (SUCCEEDED(hr))
{
if (pSHGetPathFromIDListW(pidl, o3tl::toW(PathW)))
{
/* if directory does not exist, create it */
if (_waccess(o3tl::toW(PathW), 0) < 0)
CreateDirectoryW(o3tl::toW(PathW), nullptr);
rtl_uString_newFromStr( strPath, PathW);
bRet = true;
}
}
if (SUCCEEDED(pSHGetMalloc(&pMalloc)))
{
pMalloc->Free(pidl);
pMalloc->Release();
}
}
}
FreeLibrary(hLibrary);
}
return bRet;
}
// We use LPCTSTR here, because we use it with SE_foo_NAME constants
// which are defined in winnt.h as UNICODE-dependent TEXT("PrivilegeName")
static BOOL Privilege(LPCTSTR strPrivilege, BOOL bEnable)
{
HANDLE hToken;
TOKEN_PRIVILEGES tp;
// obtain the processes token
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_DUP_QUERY, &hToken))
return FALSE;
// get the luid
if (!LookupPrivilegeValue(nullptr, strPrivilege, &tp.Privileges[0].Luid))
return FALSE;
tp.PrivilegeCount = 1;
if (bEnable)
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
// enable or disable the privilege
if (!AdjustTokenPrivileges(hToken, FALSE, &tp, 0, nullptr, nullptr))
return FALSE;
if (!CloseHandle(hToken))
return FALSE;
return TRUE;
}
static bool getUserNameImpl(oslSecurity Security, rtl_uString **strName, bool bIncludeDomain)
{
if (Security != nullptr)
{
oslSecurityImpl *pSecImpl = static_cast<oslSecurityImpl*>(Security);
HANDLE hAccessToken = pSecImpl->m_hToken;
if (hAccessToken == nullptr)
OpenProcessToken(GetCurrentProcess(), TOKEN_DUP_QUERY, &hAccessToken);
if (hAccessToken)
{
DWORD nInfoBuffer = 512;
UCHAR* pInfoBuffer = static_cast<UCHAR *>(malloc(nInfoBuffer));
while (!GetTokenInformation(hAccessToken, TokenUser,
pInfoBuffer, nInfoBuffer, &nInfoBuffer))
{
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
pInfoBuffer = static_cast<UCHAR *>(realloc(pInfoBuffer, nInfoBuffer));
}
else
{
free(pInfoBuffer);
pInfoBuffer = nullptr;
break;
}
}
if (pSecImpl->m_hToken == nullptr)
CloseHandle(hAccessToken);
if (pInfoBuffer)
{
sal_Unicode UserName[128];
sal_Unicode DomainName[128];
sal_Unicode Name[257];
DWORD nUserName = SAL_N_ELEMENTS(UserName);
DWORD nDomainName = SAL_N_ELEMENTS(DomainName);
SID_NAME_USE sUse;
if (LookupAccountSidW(nullptr, reinterpret_cast<PTOKEN_USER>(pInfoBuffer)->User.Sid,
o3tl::toW(UserName), &nUserName,
o3tl::toW(DomainName), &nDomainName, &sUse))
{
if (bIncludeDomain)
{
wcscpy(o3tl::toW(Name), o3tl::toW(DomainName));
wcscat(o3tl::toW(Name), L"/");
wcscat(o3tl::toW(Name), o3tl::toW(UserName));
}
else
{
wcscpy(o3tl::toW(Name), o3tl::toW(UserName));
}
}
rtl_uString_newFromStr( strName, Name);
free(pInfoBuffer);
return true;
}
}
else
{
DWORD needed=0;
sal_Unicode *pNameW=nullptr;
WNetGetUserW(nullptr, nullptr, &needed);
pNameW = static_cast<sal_Unicode *>(malloc (needed*sizeof(sal_Unicode)));
if (WNetGetUserW(nullptr, o3tl::toW(pNameW), &needed) == NO_ERROR)
{
rtl_uString_newFromStr( strName, pNameW);
if (pNameW)
free(pNameW);
return true;
}
else if (pSecImpl->m_User[0] != '\0')
{
rtl_uString_newFromStr(strName, o3tl::toU(pSecImpl->m_pNetResource->lpRemoteName));
if (pNameW)
free(pNameW);
return true;
}
if (pNameW)
free(pNameW);
}
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V724 Converting type 'BOOL' to type 'sal_Bool' can lead to a loss of high-order bits. Non-zero value can become 'FALSE'.
↑ V575 The null pointer is passed into 'WNetGetUserW' function. Inspect the second argument.
↑ V575 The null pointer is passed into 'WNetGetUserW' function. Inspect the second argument.
↑ V614 Potentially uninitialized buffer 'Name' used. Consider checking the second actual argument of the 'rtl_uString_newFromStr' function.
↑ V522 There might be dereferencing of a potential null pointer 'pSecImpl'. Check lines: 81, 79.
↑ V522 There might be dereferencing of a potential null pointer 'pSecImpl'. Check lines: 116, 114.
↑ V701 realloc() possible leak: when realloc() fails in allocating memory, original pointer 'pInfoBuffer' is lost. Consider assigning realloc() to a temporary pointer.
↑ V522 There might be dereferencing of a potential null pointer 'Ident'. Check lines: 345, 340.
↑ V701 realloc() possible leak: when realloc() fails in allocating memory, original pointer 'pInfoBuffer' is lost. Consider assigning realloc() to a temporary pointer.
↑ V522 There might be dereferencing of a potential null pointer 'pSecImpl->m_pNetResource'. Check lines: 176, 175.
↑ V522 There might be dereferencing of a potential null pointer 'pSecImpl'. Check lines: 175, 173.