mirror of
https://github.com/nextcloud/desktop.git
synced 2024-12-11 18:26:31 +03:00
277 lines
11 KiB
C++
Executable file
277 lines
11 KiB
C++
Executable file
//Copyright (C) 2007 Anders Kjersem. Licensed under the zlib/libpng license, see License.txt for details.
|
|
/*
|
|
If UAC is disabled, the runas verb is broken (Vista RTM) so when running as LUA there is no way to elevate so
|
|
we provide our own dialog.
|
|
*/
|
|
|
|
#include "UAC.h"
|
|
#ifdef FEAT_CUSTOMRUNASDLG
|
|
#include <Lmcons.h>//UNLEN && GNLEN && PWLEN
|
|
#include <WindowsX.h>
|
|
#include "resource.h"
|
|
#include "NSISUtil.h"
|
|
using namespace NSIS;
|
|
#define ERRAPP_TRYAGAIN (0x20000000|1)
|
|
#define MYMAX_DOMAIN (2+max(GNLEN,MAX_COMPUTERNAME_LENGTH)+1)
|
|
|
|
|
|
static LPCTSTR g_RunAsDlgTitle=_T("Run as");
|
|
static LPCTSTR g_RunAsHelpText=_T("You may not have the necessary permissions to use all the features of the program you are about to run. You may run this program as a different user or continue to run the program as the current user.");
|
|
static LPCTSTR g_RunAsCurrUsrFmt=_T("&Current user (%s)");//Max 50 chars!
|
|
static LPCTSTR g_RunAsSpecHelp=_T("Run the program as the &following user:");
|
|
|
|
FORCEINLINE bool MySetDlgItemText(HWND hDlg,int id,LPCTSTR s) {return MySndDlgItemMsg(hDlg,id,WM_SETTEXT,0,(LPARAM)s)!=0;}
|
|
|
|
typedef struct {
|
|
SHELLEXECUTEINFO*pSEI;
|
|
bool AsSelf;
|
|
} RUNASDLGDATA;
|
|
|
|
void MyRunAsFmtCurrUserRadio(HWND hDlg,LPCTSTR Fmt) {
|
|
TCHAR bufFullName[MYMAX_DOMAIN+UNLEN+1];
|
|
TCHAR buf[50+MYMAX_DOMAIN+UNLEN+1];
|
|
*bufFullName=0;
|
|
ULONG cch;
|
|
if ((!_GetUserNameEx || !_GetUserNameEx(NameSamCompatible,bufFullName,&(cch=COUNTOF(bufFullName)))) &&
|
|
!_GetUserName(bufFullName,&(cch=COUNTOF(bufFullName))) ) {
|
|
*bufFullName=0;
|
|
}
|
|
wsprintf(buf,Fmt,*bufFullName?bufFullName:_T("?"));
|
|
MySetDlgItemText(hDlg,IDC_RUNASCURR,buf);
|
|
|
|
// default the "User name:" to Administrator from shell32
|
|
if (LoadString(GetModuleHandle(_T("SHELL32.dll")),21763, bufFullName, COUNTOF(bufFullName)) > 0) {
|
|
MySetDlgItemText(hDlg,IDC_USERNAME,bufFullName);
|
|
}
|
|
}
|
|
|
|
#ifdef FEAT_CUSTOMRUNASDLG_TRANSLATE
|
|
void MyRunAsTranslateDlgString(LPCTSTR StrID,LPTSTR Ini,HWND hDlg,INT_PTR DlgItemId,int special=0) {
|
|
TCHAR buf[MAX_PATH*2];
|
|
DWORD len=GetPrivateProfileString(_T("MyRunAsStrings"),StrID,0,buf,ARRAYSIZE(buf),Ini);
|
|
if (len) {
|
|
if (IDC_RUNASCURR==special)
|
|
MyRunAsFmtCurrUserRadio(hDlg,buf);
|
|
else
|
|
(DlgItemId==-1) ? SetWindowText(hDlg,buf) : MySetDlgItemText(hDlg,DlgItemId,buf);
|
|
}
|
|
}
|
|
|
|
void MyRunAsTranslateDlg(HWND hDlg) {
|
|
DWORD len;
|
|
TCHAR buf[MAX_PATH*2];
|
|
HMODULE hDll=GetWindowInstance(hDlg);ASSERT(hDll);
|
|
if ( (len=GetModuleFileName(hDll,buf,ARRAYSIZE(buf))) <1)return;
|
|
buf[len-3]=0;
|
|
lstrcat(buf,_T("lng"));
|
|
MyRunAsTranslateDlgString(_T("DlgTitle"),buf,hDlg,-1);
|
|
MyRunAsTranslateDlgString(_T("HelpText"),buf,hDlg,IDC_HELPTEXT);
|
|
MyRunAsTranslateDlgString(_T("OptCurrUser"),buf,hDlg,IDC_RUNASCURR,IDC_RUNASCURR);
|
|
MyRunAsTranslateDlgString(_T("OptOtherUser"),buf,hDlg,IDC_RUNASSPEC);
|
|
MyRunAsTranslateDlgString(_T("Username"),buf,hDlg,IDC_LBLUSER);
|
|
MyRunAsTranslateDlgString(_T("Pwd"),buf,hDlg,IDC_LBLPWD);
|
|
MyRunAsTranslateDlgString(_T("OK"),buf,hDlg,IDOK);
|
|
MyRunAsTranslateDlgString(_T("Cancel"),buf,hDlg,IDCANCEL);
|
|
HWND h=GetDlgItem(hDlg,IDC_RUNASCURR);
|
|
if (GetPrivateProfileInt(_T("MyRunAsCfg"),_T("DisableCurrUserOpt"),false,buf))EnableWindow(h,false);
|
|
if (GetPrivateProfileInt(_T("MyRunAsCfg"),_T("HideCurrUserOpt"),false,buf))ShowWindow(h,false);
|
|
}
|
|
#endif
|
|
|
|
bool ErrorIsLogonError(DWORD err) {
|
|
switch (err) {
|
|
case ERROR_LOGON_FAILURE:
|
|
case ERROR_ACCOUNT_RESTRICTION:
|
|
case ERROR_INVALID_LOGON_HOURS:
|
|
case ERROR_INVALID_WORKSTATION:
|
|
case ERROR_PASSWORD_EXPIRED:
|
|
case ERROR_ACCOUNT_DISABLED:
|
|
case ERROR_NONE_MAPPED:
|
|
case ERROR_NO_SUCH_USER:
|
|
case ERROR_INVALID_ACCOUNT_NAME:
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
void VerifyOKBtn(HWND hDlg,RUNASDLGDATA*pRADD) {
|
|
const bool HasText=pRADD?(pRADD->AsSelf?true:MySndDlgItemMsg(hDlg,IDC_USERNAME,WM_GETTEXTLENGTH)>0):false;
|
|
EnableWindow(GetDlgItem(hDlg,IDOK),HasText);
|
|
}
|
|
|
|
void SetDlgState(HWND hDlg,bool AsSelf,RUNASDLGDATA*pRADD) {
|
|
if (pRADD)pRADD->AsSelf=AsSelf;
|
|
MySndDlgItemMsg(hDlg,IDC_RUNASCURR,BM_SETCHECK,AsSelf?BST_CHECKED:BST_UNCHECKED);
|
|
MySndDlgItemMsg(hDlg,IDC_RUNASSPEC,BM_SETCHECK,!AsSelf?BST_CHECKED:BST_UNCHECKED);
|
|
int ids[]={IDC_USERNAME,IDC_PASSWORD,IDC_LBLUSER,IDC_LBLPWD};
|
|
for (int i=0; i<COUNTOF(ids);++i)EnableWindow(GetDlgItem(hDlg,ids[i]),!AsSelf);
|
|
VerifyOKBtn(hDlg,pRADD);
|
|
}
|
|
|
|
INT_PTR CALLBACK MyRunAsDlgProc(HWND hwnd,UINT uMsg,WPARAM wp,LPARAM lp) {
|
|
RUNASDLGDATA*pRADD=(RUNASDLGDATA*)GetWindowLongPtr(hwnd,GWLP_USERDATA);
|
|
switch(uMsg) {
|
|
//case WM_DESTROY:
|
|
// break;
|
|
case WM_CLOSE:
|
|
return DestroyWindow(hwnd);
|
|
case WM_INITDIALOG:
|
|
{
|
|
pRADD=(RUNASDLGDATA*)lp;ASSERT(pRADD);
|
|
SetWindowLongPtr(hwnd,GWLP_USERDATA,lp);
|
|
Edit_LimitText(GetDlgItem(hwnd,IDC_USERNAME),UNLEN+1+MYMAX_DOMAIN); //room for "foo@BAR" or "BAR\foo"
|
|
Edit_LimitText(GetDlgItem(hwnd,IDC_PASSWORD),PWLEN);
|
|
const HINSTANCE hSh32=GetModuleHandle(_T("SHELL32.dll"));
|
|
const HICON hIco=(HICON)LoadImage(hSh32,MAKEINTRESOURCE(194),IMAGE_ICON,32,32,LR_SHARED);
|
|
MySndDlgItemMsg(hwnd,IDC_SHICON,STM_SETICON,(WPARAM)hIco);
|
|
SendMessage(hwnd,WM_SETTEXT,0,(LPARAM)g_RunAsDlgTitle);
|
|
MySetDlgItemText(hwnd,IDC_HELPTEXT,g_RunAsHelpText);
|
|
MyRunAsFmtCurrUserRadio(hwnd,g_RunAsCurrUsrFmt);
|
|
MySetDlgItemText(hwnd,IDC_RUNASSPEC,g_RunAsSpecHelp);
|
|
#ifdef FEAT_CUSTOMRUNASDLG_TRANSLATE
|
|
MyRunAsTranslateDlg(hwnd);
|
|
#endif
|
|
SetDlgState(hwnd,false,pRADD);
|
|
|
|
#if defined(BUILD_DBG) && 0 //auto login used during testing ;)
|
|
SetDlgItemText(hwnd,IDC_USERNAME,_T("root"));
|
|
SetDlgItemText(hwnd,IDC_PASSWORD,_T("???"));
|
|
Sleep(1);PostMessage(hwnd,WM_COMMAND,IDOK,0);
|
|
#endif
|
|
}
|
|
return true;
|
|
case WM_COMMAND:
|
|
{
|
|
switch(HIWORD(wp)) {
|
|
case EN_CHANGE:
|
|
VerifyOKBtn(hwnd,pRADD);
|
|
break;
|
|
case EN_SETFOCUS:
|
|
case BN_CLICKED:
|
|
if (LOWORD(wp)<=IDCANCEL)break;
|
|
SetDlgState(hwnd,LOWORD(wp)==IDC_RUNASCURR,pRADD);
|
|
return FALSE;
|
|
}
|
|
INT_PTR exitcode=!pRADD?-1:IDCANCEL;
|
|
switch(LOWORD(wp)) {
|
|
case IDOK:
|
|
if (pRADD) {
|
|
SHELLEXECUTEINFO&sei=*pRADD->pSEI;
|
|
PROCESS_INFORMATION pi={0};
|
|
DWORD ec=NO_ERROR;
|
|
WCHAR*wszExec;//Also used as TCHAR buffer in AsSelf mode
|
|
bool PerformTCharFmt=pRADD->AsSelf;
|
|
//const DWORD CommonStartupInfoFlags=STARTF_FORCEONFEEDBACK;
|
|
#ifdef UNICODE
|
|
PerformTCharFmt=true;
|
|
#endif
|
|
wszExec=(WCHAR*)NSIS::MemAlloc( (pRADD->AsSelf?sizeof(TCHAR):sizeof(WCHAR)) *(lstrlen(sei.lpFile)+1+lstrlen(sei.lpParameters)+1));
|
|
if (!wszExec)ec=ERROR_OUTOFMEMORY;
|
|
if (PerformTCharFmt)wsprintf((TCHAR*)wszExec,_T("%s%s%s"),sei.lpFile,((sei.lpParameters&&*sei.lpParameters)?_T(" "):_T("")),sei.lpParameters);
|
|
if (!ec) {
|
|
if (pRADD->AsSelf) {
|
|
STARTUPINFO si={sizeof(si)};
|
|
TRACEF("MyRunAs:CreateProcess:%s|\n",wszExec);
|
|
ec=(CreateProcess(0,(TCHAR*)wszExec,0,0,false,0,0,0,&si,&pi)?NO_ERROR:GetLastError());
|
|
}
|
|
else {
|
|
//All Wide strings!
|
|
WCHAR wszPwd[PWLEN+1];
|
|
WCHAR wszUName[UNLEN+1+MYMAX_DOMAIN+1];
|
|
STARTUPINFOW siw={sizeof(siw)};
|
|
WCHAR*p;
|
|
#ifndef UNICODE
|
|
//Build unicode string, we already know the buffer is big enough so no error handling
|
|
p=wszExec;
|
|
MultiByteToWideChar(CP_THREAD_ACP,0,sei.lpFile,-1,p,0xFFFFFF);
|
|
if (sei.lpParameters && *sei.lpParameters) {
|
|
p+=lstrlen(sei.lpFile);*p++=L' ';*p=0;
|
|
MultiByteToWideChar(CP_THREAD_ACP,0,sei.lpParameters,-1,p,0xFFFFFF);
|
|
}
|
|
#endif
|
|
SendMessageW(GetDlgItem(hwnd,IDC_USERNAME),WM_GETTEXT,COUNTOF(wszUName),(LPARAM)wszUName);
|
|
SendMessageW(GetDlgItem(hwnd,IDC_PASSWORD),WM_GETTEXT,COUNTOF(wszPwd),(LPARAM)wszPwd);
|
|
|
|
//Try to find [\\]domain\user and split into username and domain strings
|
|
WCHAR*pUName=wszUName,*pDomain=0;
|
|
p=wszUName;
|
|
//if (*p==p[1]=='\\')pUName=(p+=2);else \ //Should we still split things up if the string starts with \\ ? Is it possible to use \\machine\user at all?
|
|
++p;//Don't parse "\something", require at least one char before backslash "?[*\]something"
|
|
while(*p && *p!='\\')++p;
|
|
if (*p=='\\') {
|
|
pDomain=pUName;
|
|
pUName=p+1;*p=0;
|
|
}
|
|
|
|
TRACEF("MyRunAs:CreateProcessWithLogonW:%ws|%ws|%ws|%ws|\n",pUName,pDomain?pDomain:L"NO?DOMAIN",wszPwd,wszExec);
|
|
ec=(_CreateProcessWithLogonW(pUName,pDomain?pDomain:0,wszPwd,LOGON_WITH_PROFILE,0,wszExec,0,0,0,&siw,&pi)?NO_ERROR:GetLastError());
|
|
TRACEF("MyRunAs:CreateProcessWithLogonW: ret=%u\n",ec);
|
|
SecureZeroMemory(wszPwd,sizeof(wszPwd));//if (wszPwd) {volatile WCHAR*_p=wszPwd;for(;_p&&*_p;++_p)*_p=1;if (_p)*wszPwd=0;}//Burn password (And attempt to prevent compiler from removing it)
|
|
if (ec && ErrorIsLogonError(ec)) {
|
|
LPTSTR szMsg;
|
|
DWORD ret=FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,0,ec,MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR)&szMsg,0,0);
|
|
if (ret) {
|
|
ec=ERRAPP_TRYAGAIN;
|
|
MessageBox(hwnd,szMsg,0,MB_ICONWARNING);
|
|
LocalFree(szMsg);
|
|
}
|
|
else ec=GetLastError();
|
|
}
|
|
}
|
|
}
|
|
NSIS::MemFree(wszExec);
|
|
if (pi.hThread)CloseHandle(pi.hThread);
|
|
if (ERRAPP_TRYAGAIN==ec)break;
|
|
if (ec) {
|
|
SetLastError(ec);
|
|
exitcode=-1;
|
|
}
|
|
else {
|
|
pRADD->pSEI->hProcess=pi.hProcess;
|
|
exitcode=IDOK;
|
|
}
|
|
}
|
|
case IDCANCEL:
|
|
EndDialog(hwnd,exitcode);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
DWORD MyRunAs(HINSTANCE hInstDll,SHELLEXECUTEINFO&sei) {
|
|
INT_PTR ec;
|
|
ASSERT(sei.cbSize>=sizeof(SHELLEXECUTEINFO) && hInstDll);
|
|
if (ec=DelayLoadDlls())return ec;
|
|
ASSERT(_CreateProcessWithLogonW && _GetUserName);
|
|
RUNASDLGDATA radd={0};
|
|
radd.pSEI=&sei;
|
|
ec=DialogBoxParam(hInstDll,MAKEINTRESOURCE(IDD_MYRUNAS),sei.hwnd,MyRunAsDlgProc,(LPARAM)&radd);
|
|
TRACEF("MyRunAs returned %d (%s|%s)\n",ec,sei.lpFile,sei.lpParameters);
|
|
switch(ec) {
|
|
case 0:
|
|
return ERROR_INVALID_HANDLE;//DialogBoxParam returns 0 on bad hwnd
|
|
case IDOK:
|
|
return NO_ERROR;
|
|
case IDCANCEL:
|
|
return ERROR_CANCELLED;
|
|
}
|
|
//TODO:BUGBUG: on vista, the last error seems to get lost, should probably put it in RUNASDLGDATA and always return IDOK
|
|
return GetLastError();
|
|
}
|
|
|
|
|
|
#ifdef BUILD_DBG
|
|
// RunDll exports are __stdcall, we dont care about that for this debug export, rundll32.exe is able to handle this mistake
|
|
extern "C" void __declspec(dllexport) __cdecl DBGRDMyRunAs(HWND hwnd,HINSTANCE hinst,LPTSTR lpCmdLine,int nCmdShow) {
|
|
SHELLEXECUTEINFO sei={sizeof(sei)};
|
|
sei.lpFile=_T("Notepad.exe");//sei.lpParameters=_T("param1");
|
|
TRACEF("ec=%d\n",MyRunAs(GetModuleHandle(_T("UAC.dll")),sei));
|
|
}
|
|
#endif
|
|
|
|
#endif /* FEAT_CUSTOMRUNASDLG */
|
|
|