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Try to read shell name from HKCU registry key.

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If HKCU registry key or file not found, fall back to HKLM registry key
If HKLM registry key or file not found, fall back to names "explorer.exe" and "cmd.exe"

svn path=/trunk/; revision=25145
This commit is contained in:
Hervé Poussineau
2006-12-13 14:58:10 +00:00
parent 7f7148ea0c
commit 8a628a8eea
1 changed files with 49 additions and 39 deletions
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reactos/base/system/userinit/userinit.c
+49 -39
View File
@@ -25,6 +25,7 @@
*/
#include <windows.h>
#include <cfgmgr32.h>
#include <regstr.h>
#include <shlobj.h>
#include "resource.h"
@@ -77,7 +78,7 @@ BOOL IsConsoleShell(void)
rc = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control",
REGSTR_PATH_CURRENT_CONTROL_SET,
0,
KEY_QUERY_VALUE,
&ControlKey);
@@ -109,7 +110,7 @@ cleanup:
}
static
BOOL GetShell(WCHAR *CommandLine)
BOOL GetShell(WCHAR *CommandLine, HKEY hRootKey)
{
HKEY hKey;
DWORD Type, Size;
@@ -117,8 +118,8 @@ BOOL GetShell(WCHAR *CommandLine)
BOOL Ret = FALSE;
BOOL ConsoleShell = IsConsoleShell();
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,
L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon",
if(RegOpenKeyEx(hRootKey,
L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon", /* FIXME: should be REGSTR_PATH_WINLOGON */
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
Size = MAX_PATH * sizeof(WCHAR);
@@ -138,24 +139,6 @@ BOOL GetShell(WCHAR *CommandLine)
RegCloseKey(hKey);
}
if(!Ret)
{
if (ConsoleShell)
{
if(GetSystemDirectory(CommandLine, MAX_PATH - 8))
wcscat(CommandLine, L"\\cmd.exe");
else
wcscpy(CommandLine, L"cmd.exe");
}
else
{
if(GetWindowsDirectory(CommandLine, MAX_PATH - 13))
wcscat(CommandLine, L"\\explorer.exe");
else
wcscpy(CommandLine, L"explorer.exe");
}
}
return Ret;
}
@@ -200,17 +183,12 @@ StartAutoApplications(int clsid)
}
static
void StartShell(void)
static BOOL
TryToStartShell(LPCWSTR Shell)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
WCHAR Shell[MAX_PATH];
WCHAR ExpandedShell[MAX_PATH];
TCHAR szMsg[RC_STRING_MAX_SIZE];
GetShell(Shell);
ZeroMemory(&si, sizeof(STARTUPINFO));
si.cb = sizeof(STARTUPINFO);
@@ -218,7 +196,7 @@ void StartShell(void)
ExpandEnvironmentStrings(Shell, ExpandedShell, MAX_PATH);
if(CreateProcess(NULL,
if(!CreateProcess(NULL,
ExpandedShell,
NULL,
NULL,
@@ -228,14 +206,46 @@ void StartShell(void)
NULL,
&si,
&pi))
{
StartAutoApplications(CSIDL_STARTUP);
StartAutoApplications(CSIDL_COMMON_STARTUP);
WaitForSingleObject(pi.hProcess, INFINITE);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
else
return FALSE;
StartAutoApplications(CSIDL_STARTUP);
StartAutoApplications(CSIDL_COMMON_STARTUP);
WaitForSingleObject(pi.hProcess, INFINITE);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return TRUE;
}
static
void StartShell(void)
{
WCHAR Shell[MAX_PATH];
TCHAR szMsg[RC_STRING_MAX_SIZE];
/* Try to run shell in user key */
if (GetShell(Shell, HKEY_CURRENT_USER) && TryToStartShell(Shell))
return;
/* Try to run shell in local machine key */
if (GetShell(Shell, HKEY_LOCAL_MACHINE) && TryToStartShell(Shell))
return;
/* Try default shell */
if (IsConsoleShell())
{
if(GetSystemDirectory(Shell, MAX_PATH - 8))
wcscat(Shell, L"\\cmd.exe");
else
wcscpy(Shell, L"cmd.exe");
}
else
{
if(GetWindowsDirectory(Shell, MAX_PATH - 13))
wcscat(Shell, L"\\explorer.exe");
else
wcscpy(Shell, L"explorer.exe");
}
if (!TryToStartShell(Shell))
{
LoadString( GetModuleHandle(NULL), STRING_USERINIT_FAIL, szMsg, sizeof(szMsg) / sizeof(szMsg[0]));
MessageBox(0, szMsg, NULL, 0);
@@ -250,7 +260,7 @@ void SetUserSettings(void)
WCHAR szWallpaper[MAX_PATH + 1];
if(RegOpenKeyEx(HKEY_CURRENT_USER,
L"Control Panel\\Desktop",
REGSTR_PATH_DESKTOP,
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
Size = sizeof(szWallpaper);