mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 12:56:51 +03:00
fa2e4f6ec9
(cp_932): Ditto. (codepage_p): Likewise. * samba/lib/debug.c (priority_map): Make const array. * samba/lib/username.c (get_home_dir): Make pass auto. * samba/lib/util.c (become_daemon): Commented out. (yesno): Likewise.
397 lines
13 KiB
C
397 lines
13 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 1.9.
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Character set handling
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Copyright (C) Andrew Tridgell 1992-1998
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define CHARSET_C
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#include "includes.h"
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extern int DEBUGLEVEL;
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/*
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* Codepage definitions.
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*/
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#if !defined(KANJI)
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/* lower->upper mapping for IBM Code Page 850 - MS-DOS Latin 1 */
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unsigned char const cp_850[][4] = {
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/* dec col/row oct hex description */
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/* 133 08/05 205 85 a grave */
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/* 183 11/07 267 B7 A grave */ {0x85,0xB7,1,1},
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/* 160 10/00 240 A0 a acute */
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/* 181 11/05 265 B5 A acute */ {0xA0,0xB5,1,1},
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/* 131 08/03 203 83 a circumflex */
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/* 182 11/06 266 B6 A circumflex */ {0x83,0xB6,1,1},
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/* 198 12/06 306 C6 a tilde */
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/* 199 12/07 307 C7 A tilde */ {0xC6,0xC7,1,1},
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/* 132 08/04 204 84 a diaeresis */
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/* 142 08/14 216 8E A diaeresis */ {0x84,0x8E,1,1},
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/* 134 08/06 206 86 a ring */
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/* 143 08/15 217 8F A ring */ {0x86,0x8F,1,1},
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/* 145 09/01 221 91 ae diphthong */
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/* 146 09/02 222 92 AE diphthong */ {0x91,0x92,1,1},
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/* 135 08/07 207 87 c cedilla */
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/* 128 08/00 200 80 C cedilla */ {0x87,0x80,1,1},
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/* 138 08/10 212 8A e grave */
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/* 212 13/04 324 D4 E grave */ {0x8A,0xD4,1,1},
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/* 130 08/02 202 82 e acute */
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/* 144 09/00 220 90 E acute */ {0x82,0x90,1,1},
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/* 136 08/08 210 88 e circumflex */
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/* 210 13/02 322 D2 E circumflex */ {0x88,0xD2,1,1},
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/* 137 08/09 211 89 e diaeresis */
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/* 211 13/03 323 D3 E diaeresis */ {0x89,0xD3,1,1},
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/* 141 08/13 215 8D i grave */
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/* 222 13/14 336 DE I grave */ {0x8D,0xDE,1,1},
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/* 161 10/01 241 A1 i acute */
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/* 214 13/06 326 D6 I acute */ {0xA1,0xD6,1,1},
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/* 140 08/12 214 8C i circumflex */
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/* 215 13/07 327 D7 I circumflex */ {0x8C,0xD7,1,1},
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/* 139 08/11 213 8B i diaeresis */
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/* 216 13/08 330 D8 I diaeresis */ {0x8B,0xD8,1,1},
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/* 208 13/00 320 D0 Icelandic eth */
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/* 209 13/01 321 D1 Icelandic Eth */ {0xD0,0xD1,1,1},
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/* 164 10/04 244 A4 n tilde */
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/* 165 10/05 245 A5 N tilde */ {0xA4,0xA5,1,1},
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/* 149 09/05 225 95 o grave */
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/* 227 14/03 343 E3 O grave */ {0x95,0xE3,1,1},
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/* 162 10/02 242 A2 o acute */
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/* 224 14/00 340 E0 O acute */ {0xA2,0xE0,1,1},
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/* 147 09/03 223 93 o circumflex */
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/* 226 14/02 342 E2 O circumflex */ {0x93,0xE2,1,1},
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/* 228 14/04 344 E4 o tilde */
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/* 229 14/05 345 E5 O tilde */ {0xE4,0xE5,1,1},
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/* 148 09/04 224 94 o diaeresis */
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/* 153 09/09 231 99 O diaeresis */ {0x94,0x99,1,1},
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/* 155 09/11 233 9B o slash */
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/* 157 09/13 235 9D O slash */ {0x9B,0x9D,1,1},
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/* 151 09/07 227 97 u grave */
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/* 235 14/11 353 EB U grave */ {0x97,0xEB,1,1},
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/* 163 10/03 243 A3 u acute */
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/* 233 14/09 351 E9 U acute */ {0xA3,0xE9,1,1},
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/* 150 09/06 226 96 u circumflex */
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/* 234 14/10 352 EA U circumflex */ {0x96,0xEA,1,1},
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/* 129 08/01 201 81 u diaeresis */
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/* 154 09/10 232 9A U diaeresis */ {0x81,0x9A,1,1},
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/* 236 14/12 354 EC y acute */
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/* 237 14/13 355 ED Y acute */ {0xEC,0xED,1,1},
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/* 231 14/07 347 E7 Icelandic thorn */
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/* 232 14/08 350 E8 Icelandic Thorn */ {0xE7,0xE8,1,1},
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{0x9C,0,0,0}, /* Pound */
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{0,0,0,0}
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};
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#else /* KANJI */
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/* lower->upper mapping for IBM Code Page 932 - MS-DOS Japanese SJIS */
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unsigned char const cp_932[][4] = {
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{0,0,0,0}
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};
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#endif /* KANJI */
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char xx_dos_char_map[256];
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char xx_upper_char_map[256];
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char xx_lower_char_map[256];
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char *dos_char_map = xx_dos_char_map;
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char *upper_char_map = xx_upper_char_map;
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char *lower_char_map = xx_lower_char_map;
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/*
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* This code has been extended to deal with ascynchronous mappings
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* like MS-DOS Latin US (Code page 437) where things like :
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* a acute are capitalized to 'A', but the reverse mapping
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* must not hold true. This allows the filename case insensitive
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* matching in do_match() to work, as the DOS/Win95/NT client
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* uses 'A' as a mask to match against characters like a acute.
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* This is the meaning behind the parameters that allow a
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* mapping from lower to upper, but not upper to lower.
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*/
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static void add_dos_char(int lower, BOOL map_lower_to_upper,
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int upper, BOOL map_upper_to_lower)
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{
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lower &= 0xff;
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upper &= 0xff;
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DEBUGADD( 6, ( "Adding chars 0x%x 0x%x (l->u = %s) (u->l = %s)\n",
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lower, upper,
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map_lower_to_upper ? "True" : "False",
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map_upper_to_lower ? "True" : "False" ) );
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if (lower) dos_char_map[lower] = 1;
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if (upper) dos_char_map[upper] = 1;
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lower_char_map[lower] = (char)lower; /* Define tolower(lower) */
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upper_char_map[upper] = (char)upper; /* Define toupper(upper) */
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if (lower && upper) {
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if(map_upper_to_lower)
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lower_char_map[upper] = (char)lower;
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if(map_lower_to_upper)
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upper_char_map[lower] = (char)upper;
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}
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}
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/****************************************************************************
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initialise the charset arrays
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****************************************************************************/
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void charset_initialise(void)
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{
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int i;
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#ifdef LC_ALL
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/* include <locale.h> in includes.h if available for OS */
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/* we take only standard 7-bit ASCII definitions from ctype */
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setlocale(LC_ALL,"C");
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#endif
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for (i= 0;i<=255;i++) {
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dos_char_map[i] = 0;
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}
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for (i=0;i<=127;i++) {
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if (isalnum(i) || strchr("._^$~!#%&-{}()@'`",(char)i))
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add_dos_char(i,False,0,False);
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}
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for (i=0; i<=255; i++) {
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char c = (char)i;
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upper_char_map[i] = lower_char_map[i] = c;
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/* Some systems have buggy isupper/islower for characters
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above 127. Best not to rely on them. */
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if(i < 128) {
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if (isupper((int)c)) lower_char_map[i] = tolower(c);
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if (islower((int)c)) upper_char_map[i] = toupper(c);
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}
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}
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}
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/****************************************************************************
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load the client codepage.
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****************************************************************************/
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typedef const unsigned char (*codepage_p)[4];
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static codepage_p load_client_codepage( int client_codepage )
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{
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pstring codepage_file_name;
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unsigned char buf[8];
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FILE *fp = NULL;
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SMB_OFF_T size;
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codepage_p cp_p = NULL;
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SMB_STRUCT_STAT st;
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DEBUG(5, ("load_client_codepage: loading codepage %d.\n", client_codepage));
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if(strlen(CODEPAGEDIR) + 14 > sizeof(codepage_file_name))
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{
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DEBUG(0,("load_client_codepage: filename too long to load\n"));
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return NULL;
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}
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pstrcpy(codepage_file_name, CODEPAGEDIR);
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pstrcat(codepage_file_name, "/");
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pstrcat(codepage_file_name, "codepage.");
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slprintf(&codepage_file_name[strlen(codepage_file_name)],
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sizeof(pstring)-(strlen(codepage_file_name)+1),
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"%03d",
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client_codepage);
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if(sys_stat(codepage_file_name,&st)!=0)
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{
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DEBUG(0,("load_client_codepage: filename %s does not exist.\n",
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codepage_file_name));
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return NULL;
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}
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/* Check if it is at least big enough to hold the required
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data. Should be 2 byte version, 2 byte codepage, 4 byte length,
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plus zero or more bytes of data. Note that the data cannot be more
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than 4 * MAXCODEPAGELINES bytes.
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*/
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size = st.st_size;
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if( size < CODEPAGE_HEADER_SIZE || size > (CODEPAGE_HEADER_SIZE + 4 * MAXCODEPAGELINES))
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{
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DEBUG(0,("load_client_codepage: file %s is an incorrect size for a \
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code page file (size=%d).\n", codepage_file_name, (int)size));
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return NULL;
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}
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/* Read the first 8 bytes of the codepage file - check
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the version number and code page number. All the data
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is held in little endian format.
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*/
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if((fp = sys_fopen( codepage_file_name, "r")) == NULL)
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{
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DEBUG(0,("load_client_codepage: cannot open file %s. Error was %s\n",
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codepage_file_name, strerror(errno)));
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return NULL;
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}
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if(fread( buf, 1, CODEPAGE_HEADER_SIZE, fp)!=CODEPAGE_HEADER_SIZE)
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{
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DEBUG(0,("load_client_codepage: cannot read header from file %s. Error was %s\n",
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codepage_file_name, strerror(errno)));
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goto clean_and_exit;
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}
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/* Check the version value */
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if(SVAL(buf,CODEPAGE_VERSION_OFFSET) != CODEPAGE_FILE_VERSION_ID)
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{
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DEBUG(0,("load_client_codepage: filename %s has incorrect version id. \
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Needed %hu, got %hu.\n",
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codepage_file_name, (uint16)CODEPAGE_FILE_VERSION_ID,
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SVAL(buf,CODEPAGE_VERSION_OFFSET)));
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goto clean_and_exit;
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}
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/* Check the codepage matches */
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if(SVAL(buf,CODEPAGE_CLIENT_CODEPAGE_OFFSET) != (uint16)client_codepage)
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{
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DEBUG(0,("load_client_codepage: filename %s has incorrect codepage. \
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Needed %hu, got %hu.\n",
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codepage_file_name, (uint16)client_codepage,
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SVAL(buf,CODEPAGE_CLIENT_CODEPAGE_OFFSET)));
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goto clean_and_exit;
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}
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/* Check the length is correct. */
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if(IVAL(buf,CODEPAGE_LENGTH_OFFSET) != (size - CODEPAGE_HEADER_SIZE))
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{
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DEBUG(0,("load_client_codepage: filename %s has incorrect size headers. \
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Needed %u, got %u.\n", codepage_file_name, (uint32)(size - CODEPAGE_HEADER_SIZE),
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IVAL(buf,CODEPAGE_LENGTH_OFFSET)));
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goto clean_and_exit;
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}
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size -= CODEPAGE_HEADER_SIZE; /* Remove header */
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/* Make sure the size is a multiple of 4. */
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if((size % 4 ) != 0)
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{
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DEBUG(0,("load_client_codepage: filename %s has a codepage size not a \
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multiple of 4.\n", codepage_file_name));
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goto clean_and_exit;
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}
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/* Allocate space for the code page file and read it all in. */
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if((cp_p = (codepage_p)malloc( size + 4 )) == NULL)
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{
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DEBUG(0,("load_client_codepage: malloc fail.\n"));
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goto clean_and_exit;
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}
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if(fread( (char *)cp_p, 1, size, fp)!=size)
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{
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DEBUG(0,("load_client_codepage: read fail on file %s. Error was %s.\n",
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codepage_file_name, strerror(errno)));
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goto clean_and_exit;
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}
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/* Ensure array is correctly terminated. */
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memset(((char *)cp_p) + size, '\0', 4);
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fclose(fp);
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return cp_p;
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clean_and_exit:
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/* pseudo destructor :-) */
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if(fp != NULL)
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fclose(fp);
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if(cp_p)
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free((char *)cp_p);
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return NULL;
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}
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/****************************************************************************
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initialise the client codepage.
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****************************************************************************/
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void codepage_initialise(int client_codepage)
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{
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int i;
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static codepage_p cp = NULL;
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if(cp != NULL)
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{
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DEBUG(6,
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("codepage_initialise: called twice - ignoring second client code page = %d\n",
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client_codepage));
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return;
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}
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DEBUG(6,("codepage_initialise: client code page = %d\n", client_codepage));
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/*
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* Known client codepages - these can be added to.
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*/
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cp = load_client_codepage( client_codepage );
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if(cp == NULL)
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{
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#ifdef KANJI
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DEBUG(6,("codepage_initialise: loading dynamic codepage file %s/codepage.%d \
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for code page %d failed. Using default client codepage 932\n",
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CODEPAGEDIR, client_codepage, client_codepage));
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cp = cp_932;
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client_codepage = KANJI_CODEPAGE;
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#else /* KANJI */
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DEBUG(6,("codepage_initialise: loading dynamic codepage file %s/codepage.%d \
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for code page %d failed. Using default client codepage 850\n",
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CODEPAGEDIR, client_codepage, client_codepage));
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cp = cp_850;
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client_codepage = MSDOS_LATIN_1_CODEPAGE;
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#endif /* KANJI */
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}
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/*
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* Setup the function pointers for the loaded codepage.
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*/
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initialize_multibyte_vectors( client_codepage );
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if(cp)
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{
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for(i = 0; !((cp[i][0] == '\0') && (cp[i][1] == '\0')); i++)
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add_dos_char(cp[i][0], (BOOL)cp[i][2], cp[i][1], (BOOL)cp[i][3]);
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}
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}
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/*******************************************************************
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add characters depending on a string passed by the user
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********************************************************************/
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void add_char_string(char *s)
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{
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char *extra_chars = (char *)strdup(s);
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char *t;
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if (!extra_chars) return;
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for (t=strtok(extra_chars," \t\r\n"); t; t=strtok(NULL," \t\r\n")) {
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char c1=0,c2=0;
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int i1=0,i2=0;
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if (isdigit((unsigned char)*t) || (*t)=='-') {
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sscanf(t,"%i:%i",&i1,&i2);
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add_dos_char(i1,True,i2,True);
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} else {
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sscanf(t,"%c:%c",&c1,&c2);
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add_dos_char((unsigned char)c1,True,(unsigned char)c2, True);
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}
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}
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free(extra_chars);
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}
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