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/*
* Ntdll environment functions
*
* Copyright 1996, 1998 Alexandre Julliard
* Copyright 2003 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#include <sys/types.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "wine/debug.h"
#include "ntdll_misc.h"
#include "winnt.h"
WINE_DEFAULT_DEBUG_CHANNEL(environ);
static WCHAR empty[] = L"";
static const UNICODE_STRING empty_str = { 0, sizeof(empty), empty };
static const UNICODE_STRING null_str = { 0, 0, NULL };
static const BOOL is_win64 = (sizeof(void *) > sizeof(int));
static BOOL first_prefix_start; /* first ever process start in this prefix? */
static inline SIZE_T get_env_length( const WCHAR *env )
{
const WCHAR *end = env;
while (*end) end += wcslen(end) + 1;
return end + 1 - env;
}
/***********************************************************************
* set_env_var
*/
static void set_env_var( WCHAR **env, const WCHAR *name, const WCHAR *val )
{
UNICODE_STRING nameW, valW;
RtlInitUnicodeString( &nameW, name );
if (val)
{
RtlInitUnicodeString( &valW, val );
RtlSetEnvironmentVariable( env, &nameW, &valW );
}
else RtlSetEnvironmentVariable( env, &nameW, NULL );
}
/***********************************************************************
* set_registry_variables
*
* Set environment variables by enumerating the values of a key;
* helper for set_registry_environment().
* Note that Windows happily truncates the value if it's too big.
*/
static void set_registry_variables( WCHAR **env, HANDLE hkey, ULONG type )
{
static const WCHAR pathW[] = {'P','A','T','H'};
UNICODE_STRING env_name, env_value;
NTSTATUS status;
DWORD size;
int index;
char buffer[1024*sizeof(WCHAR) + sizeof(KEY_VALUE_FULL_INFORMATION)];
WCHAR tmpbuf[1024];
UNICODE_STRING tmp;
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
tmp.Buffer = tmpbuf;
tmp.MaximumLength = sizeof(tmpbuf);
for (index = 0; ; index++)
{
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
buffer, sizeof(buffer), &size );
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_OVERFLOW) break;
if (info->Type != type) continue;
env_name.Buffer = info->Name;
env_name.Length = env_name.MaximumLength = info->NameLength;
env_value.Buffer = (WCHAR *)(buffer + info->DataOffset);
env_value.Length = info->DataLength;
env_value.MaximumLength = sizeof(buffer) - info->DataOffset;
if (env_value.Length && !env_value.Buffer[env_value.Length/sizeof(WCHAR)-1])
env_value.Length -= sizeof(WCHAR); /* don't count terminating null if any */
if (!env_value.Length) continue;
if (info->Type == REG_EXPAND_SZ)
{
status = RtlExpandEnvironmentStrings_U( *env, &env_value, &tmp, NULL );
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_OVERFLOW) continue;
RtlCopyUnicodeString( &env_value, &tmp );
}
/* PATH is magic */
if (env_name.Length == sizeof(pathW) &&
!wcsnicmp( env_name.Buffer, pathW, ARRAY_SIZE( pathW )) &&
!RtlQueryEnvironmentVariable_U( *env, &env_name, &tmp ))
{
RtlAppendUnicodeToString( &tmp, L";" );
if (RtlAppendUnicodeStringToString( &tmp, &env_value )) continue;
RtlCopyUnicodeString( &env_value, &tmp );
}
RtlSetEnvironmentVariable( env, &env_name, &env_value );
}
}
/***********************************************************************
* set_registry_environment
*
* Set the environment variables specified in the registry.
*
* Note: Windows handles REG_SZ and REG_EXPAND_SZ in one pass with the
* consequence that REG_EXPAND_SZ cannot be used reliably as it depends
* on the order in which the variables are processed. But on Windows it
* does not really matter since they only use %SystemDrive% and
* %SystemRoot% which are predefined. But Wine defines these in the
* registry, so we need two passes.
*/
static BOOL set_registry_environment( WCHAR **env, BOOL first_time )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE hkey;
BOOL ret = FALSE;
/* first the system environment variables */
InitializeObjectAttributes( &attr, &nameW, 0, 0, NULL );
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\"
"Session Manager\\Environment" );
if (first_time && !NtOpenKey( &hkey, KEY_READ, &attr ))
{
set_registry_variables( env, hkey, REG_SZ );
set_registry_variables( env, hkey, REG_EXPAND_SZ );
NtClose( hkey );
}
else ret = TRUE;
/* then the ones for the current user */
if (RtlOpenCurrentUser( KEY_READ, &attr.RootDirectory ) != STATUS_SUCCESS) return ret;
RtlInitUnicodeString( &nameW, L"Environment" );
if (first_time && !NtOpenKey( &hkey, KEY_READ, &attr ))
{
set_registry_variables( env, hkey, REG_SZ );
set_registry_variables( env, hkey, REG_EXPAND_SZ );
NtClose( hkey );
}
RtlInitUnicodeString( &nameW, L"Volatile Environment" );
if (!NtOpenKey( &hkey, KEY_READ, &attr ))
{
set_registry_variables( env, hkey, REG_SZ );
set_registry_variables( env, hkey, REG_EXPAND_SZ );
NtClose( hkey );
}
NtClose( attr.RootDirectory );
return ret;
}
/***********************************************************************
* get_registry_value
*/
static WCHAR *get_registry_value( WCHAR *env, HKEY hkey, const WCHAR *name )
{
char buffer[1024 * sizeof(WCHAR) + sizeof(KEY_VALUE_PARTIAL_INFORMATION)];
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
DWORD len, size = sizeof(buffer);
WCHAR *ret = NULL;
UNICODE_STRING nameW;
RtlInitUnicodeString( &nameW, name );
if (NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, buffer, size, &size ))
return NULL;
if (size <= FIELD_OFFSET( KEY_VALUE_PARTIAL_INFORMATION, Data )) return NULL;
len = (size - FIELD_OFFSET( KEY_VALUE_PARTIAL_INFORMATION, Data )) / sizeof(WCHAR);
if (info->Type == REG_EXPAND_SZ)
{
UNICODE_STRING value, expanded;
value.MaximumLength = len * sizeof(WCHAR);
value.Buffer = (WCHAR *)info->Data;
if (!value.Buffer[len - 1]) len--; /* don't count terminating null if any */
value.Length = len * sizeof(WCHAR);
expanded.Length = expanded.MaximumLength = 1024 * sizeof(WCHAR);
if (!(expanded.Buffer = RtlAllocateHeap( GetProcessHeap(), 0, expanded.MaximumLength )))
return NULL;
if (!RtlExpandEnvironmentStrings_U( env, &value, &expanded, NULL )) ret = expanded.Buffer;
else RtlFreeUnicodeString( &expanded );
}
else if (info->Type == REG_SZ)
{
if ((ret = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
{
memcpy( ret, info->Data, len * sizeof(WCHAR) );
ret[len] = 0;
}
}
return ret;
}
/***********************************************************************
* set_additional_environment
*
* Set some additional environment variables not specified in the registry.
*/
static void set_additional_environment( WCHAR **env )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
WCHAR *val;
HANDLE hkey;
/* set the user profile variables */
InitializeObjectAttributes( &attr, &nameW, 0, 0, NULL );
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\Software\\Microsoft\\Windows NT\\"
"CurrentVersion\\ProfileList" );
if (!NtOpenKey( &hkey, KEY_READ, &attr ))
{
if ((val = get_registry_value( *env, hkey, L"ProgramData" )))
{
set_env_var( env, L"ALLUSERSPROFILE", val );
set_env_var( env, L"ProgramData", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
if ((val = get_registry_value( *env, hkey, L"Public" )))
{
set_env_var( env, L"PUBLIC", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
NtClose( hkey );
}
/* set the computer name */
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\"
"ComputerName\\ActiveComputerName" );
if (!NtOpenKey( &hkey, KEY_READ, &attr ))
{
if ((val = get_registry_value( *env, hkey, L"ComputerName" )))
{
set_env_var( env, L"COMPUTERNAME", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
NtClose( hkey );
}
}
/***********************************************************************
* set_wow64_environment
*
* Set the environment variables that change across 32/64/Wow64.
*/
static void set_wow64_environment( WCHAR **env )
{
static WCHAR archW[] = L"PROCESSOR_ARCHITECTURE";
static WCHAR arch6432W[] = L"PROCESSOR_ARCHITEW6432";
WCHAR buf[256];
UNICODE_STRING arch_strW = { sizeof(archW) - sizeof(WCHAR), sizeof(archW), archW };
UNICODE_STRING arch6432_strW = { sizeof(arch6432W) - sizeof(WCHAR), sizeof(arch6432W), arch6432W };
UNICODE_STRING valW = { 0, sizeof(buf), buf };
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE hkey;
SIZE_T size = 1024;
WCHAR *ptr, *val, *p;
for (;;)
{
if (!(ptr = RtlAllocateHeap( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) break;
if (!unix_funcs->get_dynamic_environment( ptr, &size )) break;
RtlFreeHeap( GetProcessHeap(), 0, ptr );
}
for (p = ptr; *p; p += wcslen(p) + 1)
{
if ((val = wcschr( p, '=' ))) *val++ = 0;
set_env_var( env, p, val );
if (val) p = val;
}
RtlFreeHeap( GetProcessHeap(), 0, ptr );
/* set the PROCESSOR_ARCHITECTURE variable */
if (!RtlQueryEnvironmentVariable_U( *env, &arch6432_strW, &valW ))
{
if (is_win64)
{
RtlSetEnvironmentVariable( env, &arch_strW, &valW );
RtlSetEnvironmentVariable( env, &arch6432_strW, NULL );
}
}
else if (!RtlQueryEnvironmentVariable_U( *env, &arch_strW, &valW ))
{
if (is_wow64)
{
RtlSetEnvironmentVariable( env, &arch6432_strW, &valW );
RtlInitUnicodeString( &nameW, L"x86" );
RtlSetEnvironmentVariable( env, &arch_strW, &nameW );
}
}
InitializeObjectAttributes( &attr, &nameW, 0, 0, NULL );
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\Software\\Microsoft\\Windows\\CurrentVersion" );
if (NtOpenKey( &hkey, KEY_READ | KEY_WOW64_64KEY, &attr )) return;
/* set the ProgramFiles variables */
if ((val = get_registry_value( *env, hkey, L"ProgramFilesDir" )))
{
if (is_win64 || is_wow64) set_env_var( env, L"ProgramW6432", val );
if (is_win64 || !is_wow64) set_env_var( env, L"ProgramFiles", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
if ((val = get_registry_value( *env, hkey, L"ProgramFilesDir (x86)" )))
{
if (is_win64 || is_wow64) set_env_var( env, L"ProgramFiles(x86)", val );
if (is_wow64) set_env_var( env, L"ProgramFiles", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
/* set the CommonProgramFiles variables */
if ((val = get_registry_value( *env, hkey, L"CommonFilesDir" )))
{
if (is_win64 || is_wow64) set_env_var( env, L"CommonProgramW6432", val );
if (is_win64 || !is_wow64) set_env_var( env, L"CommonProgramFiles", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
if ((val = get_registry_value( *env, hkey, L"CommonFilesDir (x86)" )))
{
if (is_win64 || is_wow64) set_env_var( env, L"CommonProgramFiles(x86)", val );
if (is_wow64) set_env_var( env, L"CommonProgramFiles", val );
RtlFreeHeap( GetProcessHeap(), 0, val );
}
NtClose( hkey );
}
/***********************************************************************
* build_initial_environment
*
* Build the Win32 environment from the Unix environment
*/
static WCHAR *build_initial_environment( WCHAR **wargv[] )
{
SIZE_T size = 1024;
WCHAR *ptr;
for (;;)
{
if (!(ptr = RtlAllocateHeap( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return NULL;
if (!unix_funcs->get_initial_environment( wargv, ptr, &size )) break;
RtlFreeHeap( GetProcessHeap(), 0, ptr );
}
first_prefix_start = set_registry_environment( &ptr, TRUE );
set_additional_environment( &ptr );
return ptr;
}
/***********************************************************************
* get_current_directory
*
* Initialize the current directory from the Unix cwd.
*/
static void get_current_directory( UNICODE_STRING *dir )
{
unix_funcs->get_initial_directory( dir );
if (!dir->Length) /* still not initialized */
{
dir->Length = wcslen( windows_dir ) * sizeof(WCHAR);
memcpy( dir->Buffer, windows_dir, dir->Length );
}
/* add trailing backslash */
if (dir->Buffer[dir->Length / sizeof(WCHAR) - 1] != '\\')
{
dir->Buffer[dir->Length / sizeof(WCHAR)] = '\\';
dir->Length += sizeof(WCHAR);
}
dir->Buffer[dir->Length / sizeof(WCHAR)] = 0;
}
/***********************************************************************
* is_path_prefix
*/
static inline BOOL is_path_prefix( const WCHAR *prefix, const WCHAR *path, const WCHAR *file )
{
DWORD len = wcslen( prefix );
if (wcsnicmp( path, prefix, len )) return FALSE;
while (path[len] == '\\') len++;
return path + len == file;
}
/***********************************************************************
* get_image_path
*/
static void get_image_path( const WCHAR *name, UNICODE_STRING *path )
{
WCHAR *load_path, *file_part, full_name[MAX_PATH];
DWORD len;
if (RtlDetermineDosPathNameType_U( name ) != RELATIVE_PATH ||
wcschr( name, '/' ) || wcschr( name, '\\' ))
{
len = RtlGetFullPathName_U( name, sizeof(full_name), full_name, &file_part );
if (!len || len > sizeof(full_name)) goto failed;
/* try first without extension */
if (RtlDoesFileExists_U( full_name )) goto done;
if (len < (MAX_PATH - 4) * sizeof(WCHAR) && !wcschr( file_part, '.' ))
{
wcscat( file_part, L".exe" );
if (RtlDoesFileExists_U( full_name )) goto done;
}
/* check for builtin path inside system directory */
if (!is_path_prefix( system_dir, full_name, file_part ))
{
if (!is_win64 && !is_wow64) goto failed;
if (!is_path_prefix( syswow64_dir, full_name, file_part )) goto failed;
}
}
else
{
RtlGetExePath( name, &load_path );
len = RtlDosSearchPath_U( load_path, name, L".exe", sizeof(full_name), full_name, &file_part );
RtlReleasePath( load_path );
if (!len || len > sizeof(full_name))
{
/* build builtin path inside system directory */
len = wcslen( system_dir );
if (wcslen( name ) >= MAX_PATH - 4 - len) goto failed;
wcscpy( full_name, system_dir );
wcscat( full_name, name );
if (!wcschr( name, '.' )) wcscat( full_name, L".exe" );
}
}
done:
RtlCreateUnicodeString( path, full_name );
return;
failed:
MESSAGE( "wine: cannot find %s\n", debugstr_w(name) );
RtlExitUserProcess( STATUS_DLL_NOT_FOUND );
}
/***********************************************************************
* build_command_line
*
* Build the command line of a process from the argv array.
*
* Note that it does NOT necessarily include the file name.
* Sometimes we don't even have any command line options at all.
*
* We must quote and escape characters so that the argv array can be rebuilt
* from the command line:
* - spaces and tabs must be quoted
* 'a b' -> '"a b"'
* - quotes must be escaped
* '"' -> '\"'
* - if '\'s are followed by a '"', they must be doubled and followed by '\"',
* resulting in an odd number of '\' followed by a '"'
* '\"' -> '\\\"'
* '\\"' -> '\\\\\"'
* - '\'s are followed by the closing '"' must be doubled,
* resulting in an even number of '\' followed by a '"'
* ' \' -> '" \\"'
* ' \\' -> '" \\\\"'
* - '\'s that are not followed by a '"' can be left as is
* 'a\b' == 'a\b'
* 'a\\b' == 'a\\b'
*/
static void build_command_line( WCHAR **argv, UNICODE_STRING *cmdline )
{
int len;
WCHAR **arg;
LPWSTR p;
len = 1;
for (arg = argv; *arg; arg++) len += 3 + 2 * wcslen( *arg );
if (!(cmdline->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return;
p = cmdline->Buffer;
for (arg = argv; *arg; arg++)
{
BOOL has_space, has_quote;
int i, bcount;
WCHAR *a;
/* check for quotes and spaces in this argument */
if (arg == argv || !**arg) has_space = TRUE;
else has_space = wcschr( *arg, ' ' ) || wcschr( *arg, '\t' );
has_quote = wcschr( *arg, '"' ) != NULL;
/* now transfer it to the command line */
if (has_space) *p++ = '"';
if (has_quote || has_space)
{
bcount = 0;
for (a = *arg; *a; a++)
{
if (*a == '\\') bcount++;
else
{
if (*a == '"') /* double all the '\\' preceding this '"', plus one */
for (i = 0; i <= bcount; i++) *p++ = '\\';
bcount = 0;
}
*p++ = *a;
}
}
else
{
wcscpy( p, *arg );
p += wcslen( p );
}
if (has_space)
{
/* Double all the '\' preceding the closing quote */
for (i = 0; i < bcount; i++) *p++ = '\\';
*p++ = '"';
}
*p++ = ' ';
}
if (p > cmdline->Buffer) p--; /* remove last space */
*p = 0;
if (p - cmdline->Buffer >= 32767)
{
ERR( "command line too long (%u)\n", (DWORD)(p - cmdline->Buffer) );
NtTerminateProcess( GetCurrentProcess(), 1 );
}
cmdline->Length = (p - cmdline->Buffer) * sizeof(WCHAR);
cmdline->MaximumLength = cmdline->Length + sizeof(WCHAR);
}
/******************************************************************************
* RtlCreateEnvironment [NTDLL.@]
*/
NTSTATUS WINAPI RtlCreateEnvironment(BOOLEAN inherit, PWSTR* env)
{
SIZE_T size;
TRACE("(%u,%p)!\n", inherit, env);
if (inherit)
{
RtlAcquirePebLock();
size = get_env_length( NtCurrentTeb()->Peb->ProcessParameters->Environment ) * sizeof(WCHAR);
if ((*env = RtlAllocateHeap( GetProcessHeap(), 0, size )))
memcpy( *env, NtCurrentTeb()->Peb->ProcessParameters->Environment, size );
RtlReleasePebLock();
}
else *env = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WCHAR) );
return *env ? STATUS_SUCCESS : STATUS_NO_MEMORY;
}
/******************************************************************************
* RtlDestroyEnvironment [NTDLL.@]
*/
NTSTATUS WINAPI RtlDestroyEnvironment(PWSTR env)
{
RtlFreeHeap( GetProcessHeap(), 0, env );
return STATUS_SUCCESS;
}
static LPCWSTR ENV_FindVariable(PCWSTR var, PCWSTR name, unsigned namelen)
{
while (*var)
{
/* match var names, but avoid setting a var with a name including a '='
* (a starting '=' is valid though)
*/
unsigned int len = wcslen( var );
if (len > namelen &&
var[namelen] == '=' &&
!RtlCompareUnicodeStrings( var, namelen, name, namelen, TRUE ) &&
wcschr(var + 1, '=') == var + namelen)
{
return var + namelen + 1;
}
var += len + 1;
}
return NULL;
}
/******************************************************************
* RtlQueryEnvironmentVariable_U [NTDLL.@]
*
* NOTES: when the buffer is too small, the string is not written, but if the
* terminating null char is the only char that cannot be written, then
* all chars (except the null) are written and success is returned
* (behavior of Win2k at least)
*/
NTSTATUS WINAPI RtlQueryEnvironmentVariable_U(PWSTR env,
PUNICODE_STRING name,
PUNICODE_STRING value)
{
NTSTATUS nts = STATUS_VARIABLE_NOT_FOUND;
PCWSTR var;
unsigned namelen;
TRACE("%p %s %p\n", env, debugstr_us(name), value);
value->Length = 0;
namelen = name->Length / sizeof(WCHAR);
if (!namelen) return nts;
if (!env)
{
RtlAcquirePebLock();
var = NtCurrentTeb()->Peb->ProcessParameters->Environment;
}
else var = env;
var = ENV_FindVariable(var, name->Buffer, namelen);
if (var != NULL)
{
value->Length = wcslen(var) * sizeof(WCHAR);
if (value->Length <= value->MaximumLength)
{
memmove(value->Buffer, var, min(value->Length + sizeof(WCHAR), value->MaximumLength));
nts = STATUS_SUCCESS;
}
else nts = STATUS_BUFFER_TOO_SMALL;
}
if (!env) RtlReleasePebLock();
return nts;
}
/******************************************************************
* RtlQueryEnvironmentVariable [NTDLL.@]
*/
NTSTATUS WINAPI RtlQueryEnvironmentVariable( WCHAR *env, const WCHAR *name, SIZE_T namelen,
WCHAR *value, SIZE_T value_length, SIZE_T *return_length )
{
NTSTATUS nts = STATUS_VARIABLE_NOT_FOUND;
SIZE_T len = 0;
const WCHAR *var;
if (!namelen) return nts;
if (!env)
{
RtlAcquirePebLock();
var = NtCurrentTeb()->Peb->ProcessParameters->Environment;
}
else var = env;
var = ENV_FindVariable(var, name, namelen);
if (var != NULL)
{
len = wcslen(var);
if (len <= value_length)
{
memcpy(value, var, min(len + 1, value_length) * sizeof(WCHAR));
nts = STATUS_SUCCESS;
}
else
{
len++;
nts = STATUS_BUFFER_TOO_SMALL;
}
}
*return_length = len;
if (!env) RtlReleasePebLock();
return nts;
}
/******************************************************************
* RtlSetCurrentEnvironment [NTDLL.@]
*
*/
void WINAPI RtlSetCurrentEnvironment(PWSTR new_env, PWSTR* old_env)
{
WCHAR *prev;
TRACE("(%p %p)\n", new_env, old_env);
RtlAcquirePebLock();
prev = NtCurrentTeb()->Peb->ProcessParameters->Environment;
NtCurrentTeb()->Peb->ProcessParameters->Environment = new_env;
NtCurrentTeb()->Peb->ProcessParameters->EnvironmentSize = RtlSizeHeap( GetProcessHeap(), 0, new_env );
RtlReleasePebLock();
if (old_env)
*old_env = prev;
else
RtlDestroyEnvironment( prev );
}
/******************************************************************************
* RtlSetEnvironmentVariable [NTDLL.@]
*/
NTSTATUS WINAPI RtlSetEnvironmentVariable(PWSTR* penv, PUNICODE_STRING name,
PUNICODE_STRING value)
{
INT varlen, len, old_size;
LPWSTR p, env;
NTSTATUS nts = STATUS_VARIABLE_NOT_FOUND;
TRACE("(%p, %s, %s)\n", penv, debugstr_us(name), debugstr_us(value));
if (!name || !name->Buffer || !name->Length)
return STATUS_INVALID_PARAMETER_1;
len = name->Length / sizeof(WCHAR);
/* variable names can't contain a '=' except as a first character */
for (p = name->Buffer + 1; p < name->Buffer + len; p++)
if (*p == '=') return STATUS_INVALID_PARAMETER;
if (!penv)
{
RtlAcquirePebLock();
env = NtCurrentTeb()->Peb->ProcessParameters->Environment;
} else env = *penv;
old_size = get_env_length( env );
/* Find a place to insert the string */
for (p = env; *p; p += varlen + 1)
{
varlen = wcslen(p);
if (varlen > len && p[len] == '=' &&
!RtlCompareUnicodeStrings( name->Buffer, len, p, len, TRUE )) break;
}
if (!value && !*p) goto done; /* Value to remove doesn't exist */
/* Realloc the buffer */
len = value ? len + value->Length / sizeof(WCHAR) + 2 : 0;
if (*p) len -= wcslen(p) + 1; /* The name already exists */
if (len < 0)
{
LPWSTR next = p + wcslen(p) + 1; /* We know there is a next one */
memmove(next + len, next, (old_size - (next - env)) * sizeof(WCHAR));
}
if ((old_size + len) * sizeof(WCHAR) > RtlSizeHeap( GetProcessHeap(), 0, env ))
{
SIZE_T new_size = (old_size + len) * sizeof(WCHAR);
LPWSTR new_env = RtlAllocateHeap( GetProcessHeap(), 0, new_size );
if (!new_env)
{
nts = STATUS_NO_MEMORY;
goto done;
}
memcpy(new_env, env, (p - env) * sizeof(WCHAR));
memcpy(new_env + (p - env) + len, p, (old_size - (p - env)) * sizeof(WCHAR));
p = new_env + (p - env);
RtlDestroyEnvironment(env);
if (!penv)
{
NtCurrentTeb()->Peb->ProcessParameters->Environment = new_env;
NtCurrentTeb()->Peb->ProcessParameters->EnvironmentSize = new_size;
}
else *penv = new_env;
}
else
{
if (len > 0) memmove(p + len, p, (old_size - (p - env)) * sizeof(WCHAR));
}
/* Set the new string */
if (value)
{
memcpy( p, name->Buffer, name->Length );
p += name->Length / sizeof(WCHAR);
*p++ = '=';
memcpy( p, value->Buffer, value->Length );
p[value->Length / sizeof(WCHAR)] = 0;
}
nts = STATUS_SUCCESS;
done:
if (!penv) RtlReleasePebLock();
return nts;
}
/******************************************************************************
* RtlExpandEnvironmentStrings (NTDLL.@)
*/
NTSTATUS WINAPI RtlExpandEnvironmentStrings( const WCHAR *renv, WCHAR *src, SIZE_T src_len,
WCHAR *dst, SIZE_T count, SIZE_T *plen )
{
SIZE_T len, total_size = 1; /* 1 for terminating '\0' */
LPCWSTR env, var;
if (!renv)
{
RtlAcquirePebLock();
env = NtCurrentTeb()->Peb->ProcessParameters->Environment;
}
else env = renv;
while (src_len)
{
if (*src != '%')
{
for (len = 0; len < src_len; len++) if (src[len] == '%') break;
var = src;
src += len;
src_len -= len;
}
else /* we are at the start of a variable */
{
for (len = 1; len < src_len; len++) if (src[len] == '%') break;
if (len < src_len)
{
if ((var = ENV_FindVariable( env, src + 1, len - 1 )))
{
src += len + 1; /* Skip the variable name */
src_len -= len + 1;
len = wcslen(var);
}
else
{
var = src; /* Copy original name instead */
len++;
src += len;
src_len -= len;
}
}
else /* unfinished variable name, ignore it */
{
var = src;
src += len;
src_len = 0;
}
}
total_size += len;
if (dst)
{
if (count < len) len = count;
memcpy(dst, var, len * sizeof(WCHAR));
count -= len;
dst += len;
}
}
if (!renv) RtlReleasePebLock();
if (dst && count) *dst = '\0';
if (plen) *plen = total_size;
return (count) ? STATUS_SUCCESS : STATUS_BUFFER_TOO_SMALL;
}
/******************************************************************
* RtlExpandEnvironmentStrings_U (NTDLL.@)
*/
NTSTATUS WINAPI RtlExpandEnvironmentStrings_U( const WCHAR *env, const UNICODE_STRING *src,
UNICODE_STRING *dst, ULONG *plen )
{
SIZE_T len;
NTSTATUS ret;
ret = RtlExpandEnvironmentStrings( env, src->Buffer, src->Length / sizeof(WCHAR),
dst->Buffer, dst->MaximumLength / sizeof(WCHAR), &len );
if (plen) *plen = len * sizeof(WCHAR); /* FIXME: check for overflow? */
if (len > UNICODE_STRING_MAX_CHARS) ret = STATUS_BUFFER_TOO_SMALL;
if (!ret) dst->Length = (len - 1) * sizeof(WCHAR);
return ret;
}
static inline void normalize( void *base, WCHAR **ptr )
{
if (*ptr) *ptr = (WCHAR *)((char *)base + (UINT_PTR)*ptr);
}
/******************************************************************************
* RtlNormalizeProcessParams [NTDLL.@]
*/
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlNormalizeProcessParams( RTL_USER_PROCESS_PARAMETERS *params )
{
if (params && !(params->Flags & PROCESS_PARAMS_FLAG_NORMALIZED))
{
normalize( params, &params->CurrentDirectory.DosPath.Buffer );
normalize( params, &params->DllPath.Buffer );
normalize( params, &params->ImagePathName.Buffer );
normalize( params, &params->CommandLine.Buffer );
normalize( params, &params->WindowTitle.Buffer );
normalize( params, &params->Desktop.Buffer );
normalize( params, &params->ShellInfo.Buffer );
normalize( params, &params->RuntimeInfo.Buffer );
params->Flags |= PROCESS_PARAMS_FLAG_NORMALIZED;
}
return params;
}
static inline void denormalize( const void *base, WCHAR **ptr )
{
if (*ptr) *ptr = (WCHAR *)(UINT_PTR)((char *)*ptr - (const char *)base);
}
/******************************************************************************
* RtlDeNormalizeProcessParams [NTDLL.@]
*/
PRTL_USER_PROCESS_PARAMETERS WINAPI RtlDeNormalizeProcessParams( RTL_USER_PROCESS_PARAMETERS *params )
{
if (params && (params->Flags & PROCESS_PARAMS_FLAG_NORMALIZED))
{
denormalize( params, &params->CurrentDirectory.DosPath.Buffer );
denormalize( params, &params->DllPath.Buffer );
denormalize( params, &params->ImagePathName.Buffer );
denormalize( params, &params->CommandLine.Buffer );
denormalize( params, &params->WindowTitle.Buffer );
denormalize( params, &params->Desktop.Buffer );
denormalize( params, &params->ShellInfo.Buffer );
denormalize( params, &params->RuntimeInfo.Buffer );
params->Flags &= ~PROCESS_PARAMS_FLAG_NORMALIZED;
}
return params;
}
#define ROUND_SIZE(size) (((size) + sizeof(void *) - 1) & ~(sizeof(void *) - 1))
/* append a unicode string to the process params data; helper for RtlCreateProcessParameters */
static void append_unicode_string( void **data, const UNICODE_STRING *src,
UNICODE_STRING *dst )
{
dst->Length = src->Length;
dst->MaximumLength = src->MaximumLength;
if (dst->MaximumLength)
{
dst->Buffer = *data;
memcpy( dst->Buffer, src->Buffer, dst->Length );
*data = (char *)dst->Buffer + ROUND_SIZE( dst->MaximumLength );
}
else dst->Buffer = NULL;
}
/******************************************************************************
* RtlCreateProcessParametersEx [NTDLL.@]
*/
NTSTATUS WINAPI RtlCreateProcessParametersEx( RTL_USER_PROCESS_PARAMETERS **result,
const UNICODE_STRING *ImagePathName,
const UNICODE_STRING *DllPath,
const UNICODE_STRING *CurrentDirectoryName,
const UNICODE_STRING *CommandLine,
PWSTR Environment,
const UNICODE_STRING *WindowTitle,
const UNICODE_STRING *Desktop,
const UNICODE_STRING *ShellInfo,
const UNICODE_STRING *RuntimeInfo,
ULONG flags )
{
UNICODE_STRING curdir;
const RTL_USER_PROCESS_PARAMETERS *cur_params;
SIZE_T size, env_size = 0;
void *ptr;
NTSTATUS status = STATUS_SUCCESS;
RtlAcquirePebLock();
cur_params = NtCurrentTeb()->Peb->ProcessParameters;
if (!DllPath) DllPath = &cur_params->DllPath;
if (!CurrentDirectoryName)
{
if (NtCurrentTeb()->Tib.SubSystemTib) /* FIXME: hack */
curdir = ((WIN16_SUBSYSTEM_TIB *)NtCurrentTeb()->Tib.SubSystemTib)->curdir.DosPath;
else
curdir = cur_params->CurrentDirectory.DosPath;
}
else curdir = *CurrentDirectoryName;
curdir.MaximumLength = MAX_PATH * sizeof(WCHAR);
if (!CommandLine) CommandLine = ImagePathName;
if (!Environment && cur_params) Environment = cur_params->Environment;
if (!WindowTitle) WindowTitle = &empty_str;
if (!Desktop) Desktop = &empty_str;
if (!ShellInfo) ShellInfo = &empty_str;
if (!RuntimeInfo) RuntimeInfo = &null_str;
if (Environment) env_size = get_env_length( Environment ) * sizeof(WCHAR);
size = (sizeof(RTL_USER_PROCESS_PARAMETERS)
+ ROUND_SIZE( ImagePathName->MaximumLength )
+ ROUND_SIZE( DllPath->MaximumLength )
+ ROUND_SIZE( curdir.MaximumLength )
+ ROUND_SIZE( CommandLine->MaximumLength )
+ ROUND_SIZE( WindowTitle->MaximumLength )
+ ROUND_SIZE( Desktop->MaximumLength )
+ ROUND_SIZE( ShellInfo->MaximumLength )
+ ROUND_SIZE( RuntimeInfo->MaximumLength ));
env_size = ROUND_SIZE( env_size );
if ((ptr = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, size + env_size )))
{
RTL_USER_PROCESS_PARAMETERS *params = ptr;
params->AllocationSize = size;
params->Size = size;
params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
params->EnvironmentSize = env_size;
if (cur_params) params->ConsoleFlags = cur_params->ConsoleFlags;
/* all other fields are zero */
ptr = params + 1;
append_unicode_string( &ptr, &curdir, &params->CurrentDirectory.DosPath );
append_unicode_string( &ptr, DllPath, &params->DllPath );
append_unicode_string( &ptr, ImagePathName, &params->ImagePathName );
append_unicode_string( &ptr, CommandLine, &params->CommandLine );
append_unicode_string( &ptr, WindowTitle, &params->WindowTitle );
append_unicode_string( &ptr, Desktop, &params->Desktop );
append_unicode_string( &ptr, ShellInfo, &params->ShellInfo );
append_unicode_string( &ptr, RuntimeInfo, &params->RuntimeInfo );
if (Environment) params->Environment = memcpy( ptr, Environment, env_size );
*result = params;
if (!(flags & PROCESS_PARAMS_FLAG_NORMALIZED)) RtlDeNormalizeProcessParams( params );
}
else status = STATUS_NO_MEMORY;
RtlReleasePebLock();
return status;
}
/******************************************************************************
* RtlCreateProcessParameters [NTDLL.@]
*/
NTSTATUS WINAPI RtlCreateProcessParameters( RTL_USER_PROCESS_PARAMETERS **result,
const UNICODE_STRING *image,
const UNICODE_STRING *dllpath,
const UNICODE_STRING *curdir,
const UNICODE_STRING *cmdline,
PWSTR env,
const UNICODE_STRING *title,
const UNICODE_STRING *desktop,
const UNICODE_STRING *shellinfo,
const UNICODE_STRING *runtime )
{
return RtlCreateProcessParametersEx( result, image, dllpath, curdir, cmdline,
env, title, desktop, shellinfo, runtime, 0 );
}
/******************************************************************************
* RtlDestroyProcessParameters [NTDLL.@]
*/
void WINAPI RtlDestroyProcessParameters( RTL_USER_PROCESS_PARAMETERS *params )
{
RtlFreeHeap( GetProcessHeap(), 0, params );
}
static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, UINT len )
{
str->Buffer = *src;
str->Length = len;
str->MaximumLength = len + sizeof(WCHAR);
*src += len / sizeof(WCHAR);
}
/***********************************************************************
* run_wineboot
*/
static void run_wineboot( WCHAR **env )
{
UNICODE_STRING nameW, cmdlineW, dllpathW;
RTL_USER_PROCESS_PARAMETERS *params;
RTL_USER_PROCESS_INFORMATION info;
WCHAR *load_path, *dummy;
OBJECT_ATTRIBUTES attr;
LARGE_INTEGER timeout;
HANDLE handles[2];
NTSTATUS status;
ULONG redir = 0;
int count = 1;
RtlInitUnicodeString( &nameW, L"\\KernelObjects\\__wineboot_event" );
InitializeObjectAttributes( &attr, &nameW, OBJ_OPENIF, 0, NULL );
status = NtCreateEvent( &handles[0], EVENT_ALL_ACCESS, &attr, NotificationEvent, 0 );
if (status == STATUS_OBJECT_NAME_EXISTS) goto wait;
if (status)
{
ERR( "failed to create wineboot event, expect trouble\n" );
return;
}
LdrGetDllPath( L"C:\\windows\\system32\\wineboot.exe", LOAD_WITH_ALTERED_SEARCH_PATH,
&load_path, &dummy );
RtlInitUnicodeString( &nameW, L"C:\\windows\\system32\\wineboot.exe" );
RtlInitUnicodeString( &dllpathW, load_path );
RtlInitUnicodeString( &cmdlineW, L"C:\\windows\\system32\\wineboot.exe --init" );
RtlCreateProcessParametersEx( &params, &nameW, &dllpathW, NULL, &cmdlineW, *env, NULL, NULL,
NULL, NULL, PROCESS_PARAMS_FLAG_NORMALIZED );
params->hStdInput = 0;
params->hStdOutput = 0;
params->hStdError = NtCurrentTeb()->Peb->ProcessParameters->hStdError;
RtlInitUnicodeString( &nameW, L"\\??\\C:\\windows\\system32\\wineboot.exe" );
RtlWow64EnableFsRedirectionEx( TRUE, &redir );
status = RtlCreateUserProcess( &nameW, OBJ_CASE_INSENSITIVE, params,
NULL, NULL, 0, FALSE, 0, 0, &info );
RtlWow64EnableFsRedirection( !redir );
RtlReleasePath( load_path );
RtlDestroyProcessParameters( params );
if (status)
{
ERR( "failed to start wineboot %x\n", status );
NtClose( handles[0] );
return;
}
NtResumeThread( info.Thread, NULL );
NtClose( info.Thread );
handles[count++] = info.Process;
wait:
timeout.QuadPart = (ULONGLONG)(first_prefix_start ? 5 : 2) * 60 * 1000 * -10000;
if (NtWaitForMultipleObjects( count, handles, TRUE, FALSE, &timeout ) == WAIT_TIMEOUT)
ERR( "boot event wait timed out\n" );
while (count) NtClose( handles[--count] );
/* reload environment now that wineboot has run */
set_registry_environment( env, first_prefix_start );
set_additional_environment( env );
}
/***********************************************************************
* init_user_process_params
*
* Fill the initial RTL_USER_PROCESS_PARAMETERS structure from the server.
*/
void init_user_process_params(void)
{
WCHAR *src, *load_path, *dummy;
SIZE_T info_size, env_size, data_size = 0;
startup_info_t *info = NULL;
RTL_USER_PROCESS_PARAMETERS *params = NULL;
UNICODE_STRING curdir, dllpath, imagepath, cmdline, title, desktop, shellinfo, runtime;
WCHAR **wargv;
unix_funcs->get_startup_info( NULL, &data_size, &info_size );
if (!data_size)
{
RTL_USER_PROCESS_PARAMETERS initial_params = {0};
WCHAR *env, curdir_buffer[MAX_PATH];
NtCurrentTeb()->Peb->ProcessParameters = &initial_params;
initial_params.Environment = build_initial_environment( &wargv );
curdir.Buffer = curdir_buffer;
curdir.MaximumLength = sizeof(curdir_buffer);
get_current_directory( &curdir );
initial_params.CurrentDirectory.DosPath = curdir;
get_image_path( wargv[0], &initial_params.ImagePathName );
wargv[0] = initial_params.ImagePathName.Buffer;
build_command_line( wargv, &cmdline );
LdrGetDllPath( initial_params.ImagePathName.Buffer, 0, &load_path, &dummy );
RtlInitUnicodeString( &dllpath, load_path );
env = initial_params.Environment;
initial_params.Environment = NULL; /* avoid copying it */
if (RtlCreateProcessParametersEx( &params, &initial_params.ImagePathName, &dllpath, &curdir,
&cmdline, NULL, &initial_params.ImagePathName, NULL, NULL, NULL,
PROCESS_PARAMS_FLAG_NORMALIZED ))
return;
params->Environment = env;
NtCurrentTeb()->Peb->ProcessParameters = params;
RtlFreeUnicodeString( &initial_params.ImagePathName );
RtlFreeUnicodeString( &cmdline );
RtlReleasePath( load_path );
unix_funcs->get_initial_console( params );
params->wShowWindow = 1; /* SW_SHOWNORMAL */
run_wineboot( &params->Environment );
goto done;
}
if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size ))) return;
if (unix_funcs->get_startup_info( info, &data_size, &info_size )) goto done;
src = (WCHAR *)(info + 1);
get_unicode_string( &curdir, &src, info->curdir_len );
get_unicode_string( &dllpath, &src, info->dllpath_len );
get_unicode_string( &imagepath, &src, info->imagepath_len );
get_unicode_string( &cmdline, &src, info->cmdline_len );
get_unicode_string( &title, &src, info->title_len );
get_unicode_string( &desktop, &src, info->desktop_len );
get_unicode_string( &shellinfo, &src, info->shellinfo_len );
get_unicode_string( &runtime, &src, info->runtime_len );
runtime.MaximumLength = runtime.Length; /* runtime info isn't a real string */
if (RtlCreateProcessParametersEx( &params, &imagepath, &dllpath, &curdir, &cmdline, NULL,
&title, &desktop, &shellinfo, &runtime,
PROCESS_PARAMS_FLAG_NORMALIZED ))
goto done;
NtCurrentTeb()->Peb->ProcessParameters = params;
params->DebugFlags = info->debug_flags;
params->ConsoleHandle = wine_server_ptr_handle( info->console );
params->ConsoleFlags = info->console_flags;
params->hStdInput = wine_server_ptr_handle( info->hstdin );
params->hStdOutput = wine_server_ptr_handle( info->hstdout );
params->hStdError = wine_server_ptr_handle( info->hstderr );
params->dwX = info->x;
params->dwY = info->y;
params->dwXSize = info->xsize;
params->dwYSize = info->ysize;
params->dwXCountChars = info->xchars;
params->dwYCountChars = info->ychars;
params->dwFillAttribute = info->attribute;
params->dwFlags = info->flags;
params->wShowWindow = info->show;
/* environment needs to be a separate memory block */
env_size = data_size - info_size;
if ((params->Environment = RtlAllocateHeap( GetProcessHeap(), 0, max( env_size, sizeof(WCHAR) ))))
{
if (env_size) memcpy( params->Environment, (char *)info + info_size, env_size );
else params->Environment[0] = 0;
}
done:
RtlFreeHeap( GetProcessHeap(), 0, info );
if (RtlSetCurrentDirectory_U( &params->CurrentDirectory.DosPath ))
{
MESSAGE("wine: could not open working directory %s, starting in the Windows directory.\n",
debugstr_w( params->CurrentDirectory.DosPath.Buffer ));
RtlInitUnicodeString( &curdir, windows_dir );
RtlSetCurrentDirectory_U( &curdir );
}
set_wow64_environment( &params->Environment );
params->EnvironmentSize = RtlSizeHeap( GetProcessHeap(), 0, params->Environment );
}
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