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kernel32: Move command line initialization to ntdll. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-10-22 10:17:14 +02:00
parent ee56be3fcd
commit 2607bfa28f
2 changed files with 88 additions and 154 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

156
dlls/kernel32/process.c
View File

@ -867,149 +867,6 @@ static void set_library_argv( WCHAR **wargv )
}
/***********************************************************************
* 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 BOOL build_command_line( WCHAR **argv )
{
int len;
WCHAR **arg;
LPWSTR p;
RTL_USER_PROCESS_PARAMETERS* rupp = NtCurrentTeb()->Peb->ProcessParameters;
if (rupp->CommandLine.Buffer) return TRUE; /* already got it from the server */
len = 0;
for (arg = argv; *arg; arg++)
{
BOOL has_space;
int bcount;
WCHAR* a;
has_space=FALSE;
bcount=0;
a=*arg;
if( arg == argv || !*a ) has_space=TRUE;
while (*a!='\0') {
if (*a=='\\') {
bcount++;
} else {
if (*a==' ' || *a=='\t') {
has_space=TRUE;
} else if (*a=='"') {
/* doubling of '\' preceding a '"',
* plus escaping of said '"'
*/
len+=2*bcount+1;
}
bcount=0;
}
a++;
}
len+=(a-*arg)+1 /* for the separating space */;
if (has_space)
len+=2+bcount; /* for the quotes and doubling of '\' preceding the closing quote */
}
if (!(rupp->CommandLine.Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR))))
return FALSE;
p = rupp->CommandLine.Buffer;
rupp->CommandLine.Length = (len - 1) * sizeof(WCHAR);
rupp->CommandLine.MaximumLength = len * sizeof(WCHAR);
for (arg = argv; *arg; arg++)
{
BOOL has_space,has_quote;
WCHAR* a;
int bcount;
/* Check for quotes and spaces in this argument */
has_space=has_quote=FALSE;
a=*arg;
if( arg == argv || !*a ) has_space=TRUE;
while (*a!='\0') {
if (*a==' ' || *a=='\t') {
has_space=TRUE;
if (has_quote)
break;
} else if (*a=='"') {
has_quote=TRUE;
if (has_space)
break;
}
a++;
}
/* Now transfer it to the command line */
if (has_space)
*p++='"';
if (has_quote || has_space) {
bcount=0;
a=*arg;
while (*a!='\0') {
if (*a=='\\') {
*p++=*a;
bcount++;
} else {
if (*a=='"') {
int i;
/* Double all the '\\' preceding this '"', plus one */
for (i=0;i<=bcount;i++)
*p++='\\';
*p++='"';
} else {
*p++=*a;
}
bcount=0;
}
a++;
}
} else {
WCHAR* x = *arg;
while ((*p=*x++)) p++;
}
if (has_space) {
int i;
/* Double all the '\' preceding the closing quote */
for (i=0;i<bcount;i++)
*p++='\\';
*p++='"';
}
*p++=' ';
}
if (p > rupp->CommandLine.Buffer)
p--; /* remove last space */
*p = '\0';
return TRUE;
}
/***********************************************************************
* init_windows_dirs
*/
@ -1182,20 +1039,14 @@ void * CDECL __wine_kernel_init(void)
RtlSetUnhandledExceptionFilter( UnhandledExceptionFilter );
LOCALE_Init();
init_windows_dirs();
boot_events[0] = boot_events[1] = 0;
if (!peb->ProcessParameters->WindowTitle.Buffer)
{
/* convert old configuration to new format */
convert_old_config();
got_environment = has_registry_environment();
}
init_windows_dirs();
boot_events[0] = boot_events[1] = 0;
if (!peb->ProcessParameters->WindowTitle.Buffer)
{
if (!build_command_line( __wine_main_wargv )) goto error;
start_wineboot( boot_events );
}
@ -1265,9 +1116,6 @@ void * CDECL __wine_kernel_init(void)
if (!params->CurrentDirectory.Handle) chdir("/"); /* avoid locking removable devices */
return start_process_wrapper;
error:
ExitProcess( GetLastError() );
}

86
dlls/ntdll/env.c
View File

@ -552,6 +552,91 @@ static void set_library_wargv( char **argv, const UNICODE_STRING *image )
}
/***********************************************************************
* 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 * strlenW( *arg );
cmdline->MaximumLength = len * sizeof(WCHAR);
if (!(cmdline->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, cmdline->MaximumLength ))) 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 = strchrW( *arg, ' ' ) || strchrW( *arg, '\t' );
has_quote = strchrW( *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
{
strcpyW( p, *arg );
p += strlenW( 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;
cmdline->Length = (p - cmdline->Buffer) * sizeof(WCHAR);
}
/******************************************************************************
* NtQuerySystemEnvironmentValue [NTDLL.@]
*/
@ -1074,6 +1159,7 @@ void init_user_process_params( SIZE_T data_size )
get_current_directory( &params->CurrentDirectory.DosPath );
get_image_path( __wine_main_argv[0], &params->ImagePathName );
set_library_wargv( __wine_main_argv, &params->ImagePathName );
build_command_line( __wine_main_wargv, &params->CommandLine );
if (isatty(0) || isatty(1) || isatty(2))
params->ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */