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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
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <assert.h>
#include <errno.h>
#include <locale.h>
#include <langinfo.h>
#include <fcntl.h>
#include <stdarg.h>
#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_SYS_PRCTL_H
# include <sys/prctl.h>
#endif
#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef __APPLE__
# include <CoreFoundation/CFLocale.h>
# include <CoreFoundation/CFString.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "winbase.h"
#include "winnls.h"
#include "wine/debug.h"
#include "unix_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(environ);
extern int __wine_main_argc;
extern char **__wine_main_argv;
extern char **__wine_main_environ;
extern WCHAR **__wine_main_wargv;
static int main_argc;
static char **main_argv;
static char **main_envp;
static WCHAR **main_wargv;
static CPTABLEINFO unix_table;
static WCHAR system_locale[LOCALE_NAME_MAX_LENGTH];
static WCHAR user_locale[LOCALE_NAME_MAX_LENGTH];
#ifdef __APPLE__
/* The Apple filesystem enforces NFD so we need the compose tables to put it back into NFC */
struct norm_table
{
WCHAR name[13]; /* 00 file name */
USHORT checksum[3]; /* 1a checksum? */
USHORT version[4]; /* 20 Unicode version */
USHORT form; /* 28 normalization form */
USHORT len_factor; /* 2a factor for length estimates */
USHORT unknown1; /* 2c */
USHORT decomp_size; /* 2e decomposition hash size */
USHORT comp_size; /* 30 composition hash size */
USHORT unknown2; /* 32 */
USHORT classes; /* 34 combining classes table offset */
USHORT props_level1; /* 36 char properties table level 1 offset */
USHORT props_level2; /* 38 char properties table level 2 offset */
USHORT decomp_hash; /* 3a decomposition hash table offset */
USHORT decomp_map; /* 3c decomposition character map table offset */
USHORT decomp_seq; /* 3e decomposition character sequences offset */
USHORT comp_hash; /* 40 composition hash table offset */
USHORT comp_seq; /* 42 composition character sequences offset */
/* BYTE[] combining class values */
/* BYTE[0x2200] char properties index level 1 */
/* BYTE[] char properties index level 2 */
/* WORD[] decomposition hash table */
/* WORD[] decomposition character map */
/* WORD[] decomposition character sequences */
/* WORD[] composition hash table */
/* WORD[] composition character sequences */
};
static struct norm_table *nfc_table;
static void init_unix_codepage(void)
{
const char *dir = build_dir ? build_dir : data_dir;
struct stat st;
char *name;
void *data;
int fd;
if (!(name = malloc( strlen(dir) + 17 ))) return;
sprintf( name, "%s/nls/normnfc.nls", dir );
if ((fd = open( name, O_RDONLY )) != -1)
{
fstat( fd, &st );
if ((data = malloc( st.st_size )) &&
st.st_size > 0x4000 &&
read( fd, data, st.st_size ) == st.st_size)
{
nfc_table = data;
}
else
{
free( data );
}
close( fd );
}
else ERR( "failed to load %s\n", name );
free( name );
}
static int get_utf16( const WCHAR *src, unsigned int srclen, unsigned int *ch )
{
if (IS_HIGH_SURROGATE( src[0] ))
{
if (srclen <= 1) return 0;
if (!IS_LOW_SURROGATE( src[1] )) return 0;
*ch = 0x10000 + ((src[0] & 0x3ff) << 10) + (src[1] & 0x3ff);
return 2;
}
if (IS_LOW_SURROGATE( src[0] )) return 0;
*ch = src[0];
return 1;
}
static void put_utf16( WCHAR *dst, unsigned int ch )
{
if (ch >= 0x10000)
{
ch -= 0x10000;
dst[0] = 0xd800 | (ch >> 10);
dst[1] = 0xdc00 | (ch & 0x3ff);
}
else dst[0] = ch;
}
static BYTE rol( BYTE val, BYTE count )
{
return (val << count) | (val >> (8 - count));
}
static BYTE get_char_props( const struct norm_table *info, unsigned int ch )
{
const BYTE *level1 = (const BYTE *)((const USHORT *)info + info->props_level1);
const BYTE *level2 = (const BYTE *)((const USHORT *)info + info->props_level2);
BYTE off = level1[ch / 128];
if (!off || off >= 0xfb) return rol( off, 5 );
return level2[(off - 1) * 128 + ch % 128];
}
static BYTE get_combining_class( const struct norm_table *info, unsigned int c )
{
const BYTE *classes = (const BYTE *)((const USHORT *)info + info->classes);
BYTE class = get_char_props( info, c ) & 0x3f;
if (class == 0x3f) return 0;
return classes[class];
}
#define HANGUL_SBASE 0xac00
#define HANGUL_LBASE 0x1100
#define HANGUL_VBASE 0x1161
#define HANGUL_TBASE 0x11a7
#define HANGUL_LCOUNT 19
#define HANGUL_VCOUNT 21
#define HANGUL_TCOUNT 28
#define HANGUL_NCOUNT (HANGUL_VCOUNT * HANGUL_TCOUNT)
#define HANGUL_SCOUNT (HANGUL_LCOUNT * HANGUL_NCOUNT)
static unsigned int compose_hangul( unsigned int ch1, unsigned int ch2 )
{
if (ch1 >= HANGUL_LBASE && ch1 < HANGUL_LBASE + HANGUL_LCOUNT)
{
int lindex = ch1 - HANGUL_LBASE;
int vindex = ch2 - HANGUL_VBASE;
if (vindex >= 0 && vindex < HANGUL_VCOUNT)
return HANGUL_SBASE + (lindex * HANGUL_VCOUNT + vindex) * HANGUL_TCOUNT;
}
if (ch1 >= HANGUL_SBASE && ch1 < HANGUL_SBASE + HANGUL_SCOUNT)
{
int sindex = ch1 - HANGUL_SBASE;
if (!(sindex % HANGUL_TCOUNT))
{
int tindex = ch2 - HANGUL_TBASE;
if (tindex > 0 && tindex < HANGUL_TCOUNT) return ch1 + tindex;
}
}
return 0;
}
static unsigned int compose_chars( const struct norm_table *info, unsigned int ch1, unsigned int ch2 )
{
const USHORT *table = (const USHORT *)info + info->comp_hash;
const WCHAR *chars = (const USHORT *)info + info->comp_seq;
unsigned int hash, start, end, i, len, ch[3];
hash = (ch1 + 95 * ch2) % info->comp_size;
start = table[hash];
end = table[hash + 1];
while (start < end)
{
for (i = 0; i < 3; i++, start += len) len = get_utf16( chars + start, end - start, ch + i );
if (ch[0] == ch1 && ch[1] == ch2) return ch[2];
}
return 0;
}
static unsigned int compose_string( const struct norm_table *info, WCHAR *str, unsigned int srclen )
{
unsigned int i, ch, comp, len, start_ch = 0, last_starter = srclen;
BYTE class, prev_class = 0;
for (i = 0; i < srclen; i += len)
{
if (!(len = get_utf16( str + i, srclen - i, &ch ))) return 0;
class = get_combining_class( info, ch );
if (last_starter == srclen || (prev_class && prev_class >= class) ||
(!(comp = compose_hangul( start_ch, ch )) &&
!(comp = compose_chars( info, start_ch, ch ))))
{
if (!class)
{
last_starter = i;
start_ch = ch;
}
prev_class = class;
}
else
{
int comp_len = 1 + (comp >= 0x10000);
int start_len = 1 + (start_ch >= 0x10000);
if (comp_len != start_len)
memmove( str + last_starter + comp_len, str + last_starter + start_len,
(i - (last_starter + start_len)) * sizeof(WCHAR) );
memmove( str + i + comp_len - start_len, str + i + len, (srclen - i - len) * sizeof(WCHAR) );
srclen += comp_len - start_len - len;
start_ch = comp;
i = last_starter;
len = comp_len;
prev_class = 0;
put_utf16( str + i, comp );
}
}
return srclen;
}
#elif defined(__ANDROID__) /* Android always uses UTF-8 */
static void init_unix_codepage(void) { }
#else /* __APPLE__ || __ANDROID__ */
/* charset to codepage map, sorted by name */
static const struct { const char *name; UINT cp; } charset_names[] =
{
{ "ANSIX341968", 20127 },
{ "BIG5", 950 },
{ "BIG5HKSCS", 950 },
{ "CP1250", 1250 },
{ "CP1251", 1251 },
{ "CP1252", 1252 },
{ "CP1253", 1253 },
{ "CP1254", 1254 },
{ "CP1255", 1255 },
{ "CP1256", 1256 },
{ "CP1257", 1257 },
{ "CP1258", 1258 },
{ "CP932", 932 },
{ "CP936", 936 },
{ "CP949", 949 },
{ "CP950", 950 },
{ "EUCJP", 20932 },
{ "EUCKR", 949 },
{ "GB18030", 936 /* 54936 */ },
{ "GB2312", 936 },
{ "GBK", 936 },
{ "IBM037", 37 },
{ "IBM1026", 1026 },
{ "IBM424", 20424 },
{ "IBM437", 437 },
{ "IBM500", 500 },
{ "IBM850", 850 },
{ "IBM852", 852 },
{ "IBM855", 855 },
{ "IBM857", 857 },
{ "IBM860", 860 },
{ "IBM861", 861 },
{ "IBM862", 862 },
{ "IBM863", 863 },
{ "IBM864", 864 },
{ "IBM865", 865 },
{ "IBM866", 866 },
{ "IBM869", 869 },
{ "IBM874", 874 },
{ "IBM875", 875 },
{ "ISO88591", 28591 },
{ "ISO885913", 28603 },
{ "ISO885915", 28605 },
{ "ISO88592", 28592 },
{ "ISO88593", 28593 },
{ "ISO88594", 28594 },
{ "ISO88595", 28595 },
{ "ISO88596", 28596 },
{ "ISO88597", 28597 },
{ "ISO88598", 28598 },
{ "ISO88599", 28599 },
{ "KOI8R", 20866 },
{ "KOI8U", 21866 },
{ "TIS620", 28601 },
{ "UTF8", CP_UTF8 }
};
static void load_unix_cptable( unsigned int cp )
{
const char *dir = build_dir ? build_dir : data_dir;
struct stat st;
char *name;
void *data;
int fd;
if (!(name = malloc( strlen(dir) + 22 ))) return;
sprintf( name, "%s/nls/c_%03u.nls", dir, cp );
if ((fd = open( name, O_RDONLY )) != -1)
{
fstat( fd, &st );
if ((data = malloc( st.st_size )) && st.st_size > 0x10000 &&
read( fd, data, st.st_size ) == st.st_size)
{
RtlInitCodePageTable( data, &unix_table );
}
else
{
free( data );
}
close( fd );
}
else ERR( "failed to load %s\n", name );
free( name );
}
static void init_unix_codepage(void)
{
char charset_name[16];
const char *name;
size_t i, j;
int min = 0, max = ARRAY_SIZE(charset_names) - 1;
setlocale( LC_CTYPE, "" );
if (!(name = nl_langinfo( CODESET ))) return;
/* remove punctuation characters from charset name */
for (i = j = 0; name[i] && j < sizeof(charset_name)-1; i++)
{
if (name[i] >= '0' && name[i] <= '9') charset_name[j++] = name[i];
else if (name[i] >= 'A' && name[i] <= 'Z') charset_name[j++] = name[i];
else if (name[i] >= 'a' && name[i] <= 'z') charset_name[j++] = name[i] + ('A' - 'a');
}
charset_name[j] = 0;
while (min <= max)
{
int pos = (min + max) / 2;
int res = strcmp( charset_names[pos].name, charset_name );
if (!res)
{
if (charset_names[pos].cp != CP_UTF8) load_unix_cptable( charset_names[pos].cp );
return;
}
if (res > 0) max = pos - 1;
else min = pos + 1;
}
ERR( "unrecognized charset '%s'\n", name );
}
#endif /* __APPLE__ || __ANDROID__ */
/***********************************************************************
* is_special_env_var
*
* Check if an environment variable needs to be handled specially when
* passed through the Unix environment (i.e. prefixed with "WINE").
*/
static inline BOOL is_special_env_var( const char *var )
{
return (!strncmp( var, "PATH=", sizeof("PATH=")-1 ) ||
!strncmp( var, "PWD=", sizeof("PWD=")-1 ) ||
!strncmp( var, "HOME=", sizeof("HOME=")-1 ) ||
!strncmp( var, "TEMP=", sizeof("TEMP=")-1 ) ||
!strncmp( var, "TMP=", sizeof("TMP=")-1 ) ||
!strncmp( var, "QT_", sizeof("QT_")-1 ) ||
!strncmp( var, "VK_", sizeof("VK_")-1 ));
}
/******************************************************************
* ntdll_umbstowcs
*/
DWORD ntdll_umbstowcs( const char *src, DWORD srclen, WCHAR *dst, DWORD dstlen )
{
DWORD reslen;
if (unix_table.CodePage)
RtlCustomCPToUnicodeN( &unix_table, dst, dstlen * sizeof(WCHAR), &reslen, src, srclen );
else
RtlUTF8ToUnicodeN( dst, dstlen * sizeof(WCHAR), &reslen, src, srclen );
reslen /= sizeof(WCHAR);
#ifdef __APPLE__ /* work around broken Mac OS X filesystem that enforces NFD */
if (reslen && nfc_table) reslen = compose_string( nfc_table, dst, reslen );
#endif
return reslen;
}
/***********************************************************************
* set_process_name
*
* Change the process name in the ps output.
*/
static void set_process_name( int argc, char *argv[] )
{
BOOL shift_strings;
char *p, *name;
int i;
#ifdef HAVE_SETPROCTITLE
setproctitle("-%s", argv[1]);
shift_strings = FALSE;
#else
p = argv[0];
shift_strings = (argc >= 2);
for (i = 1; i < argc; i++)
{
p += strlen(p) + 1;
if (p != argv[i])
{
shift_strings = FALSE;
break;
}
}
#endif
if (shift_strings)
{
int offset = argv[1] - argv[0];
char *end = argv[argc-1] + strlen(argv[argc-1]) + 1;
memmove( argv[0], argv[1], end - argv[1] );
memset( end - offset, 0, offset );
for (i = 1; i < argc; i++)
argv[i-1] = argv[i] - offset;
argv[i-1] = NULL;
}
else
{
/* remove argv[0] */
memmove( argv, argv + 1, argc * sizeof(argv[0]) );
}
name = argv[0];
if ((p = strrchr( name, '\\' ))) name = p + 1;
if ((p = strrchr( name, '/' ))) name = p + 1;
#if defined(HAVE_SETPROGNAME)
setprogname( name );
#endif
#ifdef HAVE_PRCTL
#ifndef PR_SET_NAME
# define PR_SET_NAME 15
#endif
prctl( PR_SET_NAME, name );
#endif /* HAVE_PRCTL */
}
/***********************************************************************
* build_wargv
*
* Build the Unicode argv array.
*/
static WCHAR **build_wargv( char **argv )
{
int argc;
WCHAR *p, **wargv;
DWORD total = 0;
for (argc = 0; argv[argc]; argc++) total += strlen(argv[argc]) + 1;
wargv = malloc( total * sizeof(WCHAR) + (argc + 1) * sizeof(*wargv) );
p = (WCHAR *)(wargv + argc + 1);
for (argc = 0; argv[argc]; argc++)
{
DWORD reslen = ntdll_umbstowcs( argv[argc], strlen(argv[argc]) + 1, p, total );
wargv[argc] = p;
p += reslen;
total -= reslen;
}
wargv[argc] = NULL;
return wargv;
}
/* Unix format is: lang[_country][.charset][@modifier]
* Windows format is: lang[-script][-country][_modifier] */
static BOOL unix_to_win_locale( const char *unix_name, WCHAR *win_name )
{
static const WCHAR sepW[] = {'_','.','@',0};
static const WCHAR posixW[] = {'P','O','S','I','X',0};
static const WCHAR cW[] = {'C',0};
static const WCHAR euroW[] = {'e','u','r','o',0};
static const WCHAR latinW[] = {'l','a','t','i','n',0};
static const WCHAR latnW[] = {'-','L','a','t','n',0};
static const WCHAR enUSW[] = {'e','n','-','U','S',0};
WCHAR buffer[LOCALE_NAME_MAX_LENGTH];
WCHAR *p, *country = NULL, *modifier = NULL;
DWORD len;
if (!unix_name || !unix_name[0] || !strcmp( unix_name, "C" ))
{
unix_name = getenv( "LC_ALL" );
if (!unix_name || !unix_name[0]) return FALSE;
}
len = ntdll_umbstowcs( unix_name, strlen(unix_name), buffer, ARRAY_SIZE(buffer) );
if (len == ARRAY_SIZE(buffer)) return FALSE;
buffer[len] = 0;
if (!(p = wcspbrk( buffer, sepW )))
{
if (!wcscmp( buffer, posixW ) || !wcscmp( buffer, cW ))
wcscpy( win_name, enUSW );
else
wcscpy( win_name, buffer );
return TRUE;
}
if (*p == '_')
{
*p++ = 0;
country = p;
p = wcspbrk( p, sepW + 1 );
}
if (p && *p == '.')
{
*p++ = 0;
/* charset, ignore */
p = wcschr( p, '@' );
}
if (p)
{
*p++ = 0;
modifier = p;
}
/* rebuild a Windows name */
wcscpy( win_name, buffer );
if (modifier)
{
if (!wcscmp( modifier, latinW )) wcscat( win_name, latnW );
else if (!wcscmp( modifier, euroW )) {} /* ignore */
else return FALSE;
}
if (country)
{
p = win_name + wcslen(win_name);
*p++ = '-';
wcscpy( p, country );
}
return TRUE;
}
/******************************************************************
* init_locale
*/
static void init_locale(void)
{
setlocale( LC_ALL, "" );
if (!unix_to_win_locale( setlocale( LC_CTYPE, NULL ), system_locale )) system_locale[0] = 0;
if (!unix_to_win_locale( setlocale( LC_MESSAGES, NULL ), user_locale )) user_locale[0] = 0;
#ifdef __APPLE__
if (!system_locale[0])
{
CFLocaleRef locale = CFLocaleCopyCurrent();
CFStringRef lang = CFLocaleGetValue( locale, kCFLocaleLanguageCode );
CFStringRef country = CFLocaleGetValue( locale, kCFLocaleCountryCode );
CFStringRef locale_string;
if (country)
locale_string = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@_%@"), lang, country);
else
locale_string = CFStringCreateCopy(NULL, lang);
CFStringGetCString(locale_string, system_locale, sizeof(system_locale), kCFStringEncodingUTF8);
CFRelease(locale);
CFRelease(locale_string);
}
if (!user_locale[0])
{
/* Retrieve the preferred language as chosen in System Preferences. */
CFArrayRef preferred_langs = CFLocaleCopyPreferredLanguages();
if (preferred_langs && CFArrayGetCount( preferred_langs ))
{
CFStringRef preferred_lang = CFArrayGetValueAtIndex( preferred_langs, 0 );
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier( NULL, preferred_lang );
if (components)
{
CFStringRef lang = CFDictionaryGetValue( components, kCFLocaleLanguageCode );
CFStringRef country = CFDictionaryGetValue( components, kCFLocaleCountryCode );
CFLocaleRef locale = NULL;
CFStringRef locale_string;
if (!country)
{
locale = CFLocaleCopyCurrent();
country = CFLocaleGetValue( locale, kCFLocaleCountryCode );
}
if (country)
locale_string = CFStringCreateWithFormat( NULL, NULL, CFSTR("%@_%@"), lang, country );
else
locale_string = CFStringCreateCopy( NULL, lang );
CFStringGetCString( locale_string, user_locale, sizeof(user_locale), kCFStringEncodingUTF8 );
CFRelease( locale_string );
if (locale) CFRelease( locale );
CFRelease( components );
}
}
if (preferred_langs) CFRelease( preferred_langs );
}
#endif
}
/***********************************************************************
* init_environment
*/
void init_environment( int argc, char *argv[], char *envp[] )
{
init_unix_codepage();
init_locale();
set_process_name( argc, argv );
__wine_main_argc = main_argc = argc;
__wine_main_argv = main_argv = argv;
__wine_main_wargv = main_wargv = build_wargv( argv );
__wine_main_environ = main_envp = envp;
}
/*************************************************************************
* get_main_args
*
* Return the initial arguments.
*/
void CDECL get_main_args( int *argc, char **argv[], char **envp[] )
{
*argc = main_argc;
*argv = main_argv;
*envp = main_envp;
}
/*************************************************************************
* get_initial_environment
*
* Return the initial environment.
*/
NTSTATUS CDECL get_initial_environment( WCHAR **wargv[], WCHAR *env, SIZE_T *size )
{
char **e;
WCHAR *ptr = env, *end = env + *size;
*wargv = main_wargv;
for (e = main_envp; *e && ptr < end; e++)
{
char *str = *e;
/* skip Unix special variables and use the Wine variants instead */
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 */
ptr += ntdll_umbstowcs( str, strlen(str) + 1, ptr, end - ptr );
}
if (ptr < end)
{
*ptr++ = 0;
*size = ptr - env;
return STATUS_SUCCESS;
}
/* estimate needed size */
for (e = main_envp, *size = 1; *e; e++) if (!is_special_env_var( *e )) *size += strlen(*e) + 1;
return STATUS_BUFFER_TOO_SMALL;
}
/*************************************************************************
* get_unix_codepage
*
* Return the Unix codepage data.
*/
void CDECL get_unix_codepage( CPTABLEINFO *table )
{
*table = unix_table;
}
/*************************************************************************
* get_locales
*
* Return the system and user locales. Buffers must be at least LOCALE_NAME_MAX_LENGTH chars long.
*/
void CDECL get_locales( WCHAR *sys, WCHAR *user )
{
wcscpy( sys, system_locale );
wcscpy( user, user_locale );
}
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