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Set the WINEPRELOADRESERVE variable when starting a new process.

This commit is contained in:
Alexandre Julliard 2004-06-03 00:25:08 +00:00
parent dc61a30bcc
commit 10e6f57fab
3 changed files with 50 additions and 35 deletions
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37
dlls/kernel/module.c
View File

@ -130,7 +130,7 @@ good:
/***********************************************************************
* MODULE_GetBinaryType
*/
enum binary_type MODULE_GetBinaryType( HANDLE hfile )
enum binary_type MODULE_GetBinaryType( HANDLE hfile, void **res_start, void **res_end )
{
union
{
@ -150,7 +150,6 @@ enum binary_type MODULE_GetBinaryType( HANDLE hfile )
IMAGE_DOS_HEADER mz;
} header;
char magic[4];
DWORD len;
/* Seek to the start of the file and read the header information. */
@ -184,6 +183,12 @@ enum binary_type MODULE_GetBinaryType( HANDLE hfile )
if (header.mz.e_magic == IMAGE_DOS_SIGNATURE)
{
union
{
IMAGE_OS2_HEADER os2;
IMAGE_NT_HEADERS nt;
} ext_header;
/* We do have a DOS image so we will now try to seek into
* the file by the amount indicated by the field
* "Offset to extended header" and read in the
@ -193,41 +198,41 @@ enum binary_type MODULE_GetBinaryType( HANDLE hfile )
*/
if (SetFilePointer( hfile, header.mz.e_lfanew, NULL, SEEK_SET ) == -1)
return BINARY_DOS;
if (!ReadFile( hfile, magic, sizeof(magic), &len, NULL ) || len != sizeof(magic))
if (!ReadFile( hfile, &ext_header, sizeof(ext_header), &len, NULL ) || len < 4)
return BINARY_DOS;
/* Reading the magic field succeeded so
* we will try to determine what type it is.
*/
if (!memcmp( magic, "PE\0\0", 4 ))
if (!memcmp( &ext_header.nt.Signature, "PE\0\0", 4 ))
{
IMAGE_FILE_HEADER FileHeader;
if (ReadFile( hfile, &FileHeader, sizeof(FileHeader), &len, NULL ) && len == sizeof(FileHeader))
if (len >= sizeof(ext_header.nt.FileHeader))
{
if (FileHeader.Characteristics & IMAGE_FILE_DLL) return BINARY_PE_DLL;
if (len < sizeof(ext_header.nt)) /* clear remaining part of header if missing */
memset( (char *)&ext_header.nt + len, 0, sizeof(ext_header.nt) - len );
if (res_start) *res_start = (void *)ext_header.nt.OptionalHeader.ImageBase;
if (res_end) *res_end = (void *)(ext_header.nt.OptionalHeader.ImageBase +
ext_header.nt.OptionalHeader.SizeOfImage);
if (ext_header.nt.FileHeader.Characteristics & IMAGE_FILE_DLL) return BINARY_PE_DLL;
return BINARY_PE_EXE;
}
return BINARY_DOS;
}
if (!memcmp( magic, "NE", 2 ))
if (!memcmp( &ext_header.os2.ne_magic, "NE", 2 ))
{
/* This is a Windows executable (NE) header. This can
* mean either a 16-bit OS/2 or a 16-bit Windows or even a
* DOS program (running under a DOS extender). To decide
* which, we'll have to read the NE header.
*/
IMAGE_OS2_HEADER ne;
if ( SetFilePointer( hfile, header.mz.e_lfanew, NULL, SEEK_SET ) != -1
&& ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
&& len == sizeof(ne) )
if (len >= sizeof(ext_header.os2))
{
switch ( ne.ne_exetyp )
switch ( ext_header.os2.ne_exetyp )
{
case 2: return BINARY_WIN16;
case 5: return BINARY_DOS;
default: return MODULE_Decide_OS2_OldWin(hfile, &header.mz, &ne);
default: return MODULE_Decide_OS2_OldWin(hfile, &header.mz, &ext_header.os2);
}
}
/* Couldn't read header, so abort. */
@ -295,7 +300,7 @@ BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
/* Check binary type
*/
switch(MODULE_GetBinaryType( hfile ))
switch(MODULE_GetBinaryType( hfile, NULL, NULL ))
{
case BINARY_UNKNOWN:
{

46
dlls/kernel/process.c
View File

@ -389,6 +389,7 @@ static BOOL build_initial_environment( char **environ )
if (!strncmp( str, "WINE", 4 ))
{
if (is_special_env_var( str + 4 )) str += 4;
else if (!strncmp( str, "WINEPRELOADRESERVE=", 19 )) continue; /* skip it */
}
else if (is_special_env_var( str )) continue; /* skip it */
@ -1051,7 +1052,7 @@ void __wine_kernel_init(void)
ExitProcess(1);
}
switch( MODULE_GetBinaryType( main_exe_file ))
switch( MODULE_GetBinaryType( main_exe_file, NULL, NULL ))
{
case BINARY_PE_EXE:
TRACE( "starting Win32 binary %s\n", debugstr_w(main_exe_name) );
@ -1257,26 +1258,28 @@ static char *alloc_env_string( const char *name, const char *value )
*
* Build the environment of a new child process.
*/
static char **build_envp( const WCHAR *envW )
static char **build_envp( const WCHAR *envW, char *extra_env )
{
const WCHAR *p;
const WCHAR *end;
char **envp;
char *env;
char *env, *p;
int count = 0, length;
for (p = envW; *p; count++) p += strlenW(p) + 1;
p++;
length = WideCharToMultiByte( CP_UNIXCP, 0, envW, p - envW, NULL, 0, NULL, NULL );
for (end = envW; *end; count++) end += strlenW(end) + 1;
end++;
length = WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, NULL, 0, NULL, NULL );
if (!(env = malloc( length ))) return NULL;
WideCharToMultiByte( CP_UNIXCP, 0, envW, p - envW, env, length, NULL, NULL );
WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, env, length, NULL, NULL );
if (extra_env) for (p = extra_env; *p; p += strlen(p) + 1) count++;
count += 4;
if ((envp = malloc( count * sizeof(*envp) )))
{
char **envptr = envp;
char *p;
/* first the extra strings */
for (p = extra_env; *p; p += strlen(p) + 1) *envptr++ = alloc_env_string( "", p );
/* then put PATH, TEMP, TMP, HOME and WINEPREFIX from the unix env */
if ((p = getenv("PATH"))) *envptr++ = alloc_env_string( "PATH=", p );
if ((p = getenv("TEMP"))) *envptr++ = alloc_env_string( "TEMP=", p );
@ -1289,6 +1292,7 @@ static char **build_envp( const WCHAR *envW )
if (is_special_env_var( p )) /* prefix it with "WINE" */
*envptr++ = alloc_env_string( "WINE", p );
else if (strncmp( p, "HOME=", 5 ) &&
strncmp( p, "WINEPRELOADRESERVE=", 19 ) &&
strncmp( p, "WINEPREFIX=", 11 )) *envptr++ = p;
}
*envptr = 0;
@ -1319,7 +1323,7 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline,
if (!(pid = fork())) /* child */
{
char **argv = build_argv( cmdline, 0 );
char **envp = build_envp( env );
char **envp = build_envp( env, NULL );
close( fd[0] );
/* Reset signals that we previously set to SIG_IGN */
@ -1405,7 +1409,8 @@ static RTL_USER_PROCESS_PARAMETERS *create_user_params( LPCWSTR filename, LPCWST
static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPWSTR env,
LPCWSTR cur_dir, LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
BOOL inherit, DWORD flags, LPSTARTUPINFOW startup,
LPPROCESS_INFORMATION info, LPCSTR unixdir )
LPPROCESS_INFORMATION info, LPCSTR unixdir,
void *res_start, void *res_end )
{
BOOL ret, success = FALSE;
HANDLE process_info;
@ -1415,12 +1420,16 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
pid_t pid;
int err;
char dummy = 0;
char preloader_reserve[64];
if (!env) env = GetEnvironmentStringsW();
if (!(params = create_user_params( filename, cmd_line, cur_dir, startup )))
return FALSE;
sprintf( preloader_reserve, "WINEPRELOADRESERVE=%lx-%lx%c",
(unsigned long)res_start, (unsigned long)res_end, 0 );
/* create the synchronization pipes */
if (pipe( startfd ) == -1)
@ -1444,7 +1453,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
if (!(pid = fork())) /* child */
{
char **argv = build_argv( cmd_line, 1 );
char **envp = build_envp( env );
char **envp = build_envp( env, preloader_reserve );
close( startfd[1] );
close( execfd[0] );
@ -1604,7 +1613,7 @@ static BOOL create_vdm_process( LPCWSTR filename, LPWSTR cmd_line, LPWSTR env, L
}
sprintfW( new_cmd_line, argsW, winevdmW, filename, cmd_line );
ret = create_process( 0, winevdmW, new_cmd_line, env, cur_dir, psa, tsa, inherit,
flags, startup, info, unixdir );
flags, startup, info, unixdir, NULL, NULL );
HeapFree( GetProcessHeap(), 0, new_cmd_line );
return ret;
}
@ -1784,6 +1793,7 @@ BOOL WINAPI CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_ATTRIB
char *unixdir = NULL;
WCHAR name[MAX_PATH];
WCHAR *tidy_cmdline, *p, *envW = env;
void *res_start, *res_end;
/* Process the AppName and/or CmdLine to get module name and path */
@ -1833,16 +1843,16 @@ BOOL WINAPI CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_ATTRIB
{
TRACE( "starting %s as Winelib app\n", debugstr_w(name) );
retv = create_process( 0, name, tidy_cmdline, envW, cur_dir, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
inherit, flags, startup_info, info, unixdir, NULL, NULL );
goto done;
}
switch( MODULE_GetBinaryType( hFile ))
switch( MODULE_GetBinaryType( hFile, &res_start, &res_end ))
{
case BINARY_PE_EXE:
TRACE( "starting %s as Win32 binary\n", debugstr_w(name) );
TRACE( "starting %s as Win32 binary (%p-%p)\n", debugstr_w(name), res_start, res_end );
retv = create_process( hFile, name, tidy_cmdline, envW, cur_dir, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
inherit, flags, startup_info, info, unixdir, res_start, res_end );
break;
case BINARY_WIN16:
case BINARY_DOS:
@ -1861,7 +1871,7 @@ BOOL WINAPI CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_ATTRIB
case BINARY_UNIX_LIB:
TRACE( "%s is a Unix library, starting as Winelib app\n", debugstr_w(name) );
retv = create_process( hFile, name, tidy_cmdline, envW, cur_dir, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir );
inherit, flags, startup_info, info, unixdir, NULL, NULL );
break;
case BINARY_UNKNOWN:
/* check for .com or .bat extension */

2
include/module.h
View File

@ -153,7 +153,7 @@ enum binary_type
/* module.c */
extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
extern enum binary_type MODULE_GetBinaryType( HANDLE hfile );
extern enum binary_type MODULE_GetBinaryType( HANDLE hfile, void **res_start, void **res_end );
/* ne_module.c */
extern NE_MODULE *NE_GetPtr( HMODULE16 hModule );