Unix SMB/Netbios implementation.
Version 1.9.
Character set handling
- Copyright (C) Andrew Tridgell 1992-1995
+ Copyright (C) Andrew Tridgell 1992-1997
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
extern int DEBUGLEVEL;
+/*
+ * Codepage definitions.
+ */
+
+/* lower->upper mapping for IBM Code Page 850 - MS-DOS Latin 1 */
+unsigned char cp_850[][4] = {
+/* dec col/row oct hex description */
+/* 133 08/05 205 85 a grave */
+/* 183 11/07 267 B7 A grave */ {0x85,0xB7,1,1},
+/* 160 10/00 240 A0 a acute */
+/* 181 11/05 265 B5 A acute */ {0xA0,0xB5,1,1},
+/* 131 08/03 203 83 a circumflex */
+/* 182 11/06 266 B6 A circumflex */ {0x83,0xB6,1,1},
+/* 198 12/06 306 C6 a tilde */
+/* 199 12/07 307 C7 A tilde */ {0xC6,0xC7,1,1},
+/* 132 08/04 204 84 a diaeresis */
+/* 142 08/14 216 8E A diaeresis */ {0x84,0x8E,1,1},
+/* 134 08/06 206 86 a ring */
+/* 143 08/15 217 8F A ring */ {0x86,0x8F,1,1},
+/* 145 09/01 221 91 ae diphthong */
+/* 146 09/02 222 92 AE diphthong */ {0x91,0x92,1,1},
+/* 135 08/07 207 87 c cedilla */
+/* 128 08/00 200 80 C cedilla */ {0x87,0x80,1,1},
+/* 138 08/10 212 8A e grave */
+/* 212 13/04 324 D4 E grave */ {0x8A,0xD4,1,1},
+/* 130 08/02 202 82 e acute */
+/* 144 09/00 220 90 E acute */ {0x82,0x90,1,1},
+/* 136 08/08 210 88 e circumflex */
+/* 210 13/02 322 D2 E circumflex */ {0x88,0xD2,1,1},
+/* 137 08/09 211 89 e diaeresis */
+/* 211 13/03 323 D3 E diaeresis */ {0x89,0xD3,1,1},
+/* 141 08/13 215 8D i grave */
+/* 222 13/14 336 DE I grave */ {0x8D,0xDE,1,1},
+/* 161 10/01 241 A1 i acute */
+/* 214 13/06 326 D6 I acute */ {0xA1,0xD6,1,1},
+/* 140 08/12 214 8C i circumflex */
+/* 215 13/07 327 D7 I circumflex */ {0x8C,0xD7,1,1},
+/* 139 08/11 213 8B i diaeresis */
+/* 216 13/08 330 D8 I diaeresis */ {0x8B,0xD8,1,1},
+/* 208 13/00 320 D0 Icelandic eth */
+/* 209 13/01 321 D1 Icelandic Eth */ {0xD0,0xD1,1,1},
+/* 164 10/04 244 A4 n tilde */
+/* 165 10/05 245 A5 N tilde */ {0xA4,0xA5,1,1},
+/* 149 09/05 225 95 o grave */
+/* 227 14/03 343 E3 O grave */ {0x95,0xE3,1,1},
+/* 162 10/02 242 A2 o acute */
+/* 224 14/00 340 E0 O acute */ {0xA2,0xE0,1,1},
+/* 147 09/03 223 93 o circumflex */
+/* 226 14/02 342 E2 O circumflex */ {0x93,0xE2,1,1},
+/* 228 14/04 344 E4 o tilde */
+/* 229 14/05 345 E5 O tilde */ {0xE4,0xE5,1,1},
+/* 148 09/04 224 94 o diaeresis */
+/* 153 09/09 231 99 O diaeresis */ {0x94,0x99,1,1},
+/* 155 09/11 233 9B o slash */
+/* 157 09/13 235 9D O slash */ {0x9B,0x9D,1,1},
+/* 151 09/07 227 97 u grave */
+/* 235 14/11 353 EB U grave */ {0x97,0xEB,1,1},
+/* 163 10/03 243 A3 u acute */
+/* 233 14/09 351 E9 U acute */ {0xA3,0xE9,1,1},
+/* 150 09/06 226 96 u circumflex */
+/* 234 14/10 352 EA U circumflex */ {0x96,0xEA,1,1},
+/* 129 08/01 201 81 u diaeresis */
+/* 154 09/10 232 9A U diaeresis */ {0x81,0x9A,1,1},
+/* 236 14/12 354 EC y acute */
+/* 237 14/13 355 ED Y acute */ {0xEC,0xED,1,1},
+/* 231 14/07 347 E7 Icelandic thorn */
+/* 232 14/08 350 E8 Icelandic Thorn */ {0xE7,0xE8,1,1},
+
+ {0x9C,0,0,0}, /* Pound */
+ {0,0,0,0}
+};
+
+/* lower->upper mapping for IBM Code Page 437 - MS-DOS Latin US */
+unsigned char cp_437[][4] = {
+/* 135 08/07 207 87 c cedilla */
+/* 128 08/00 200 80 C cedilla */ {0x87,0x80,1,1},
+/* 129 08/01 201 81 u diaeresis */
+/* 154 09/10 232 9A U diaeresis */ {0x81,0x9A,1,1},
+/* 130 08/02 202 82 e acute */
+/* 144 09/00 220 90 E acute */ {0x82,0x90,1,1},
+/* 131 08/03 203 83 a circumflex */ {0x83,0x41,1,0},
+/* 132 08/04 204 84 a diaeresis */
+/* 142 08/14 216 8E A diaeresis */ {0x84,0x8E,1,1},
+/* 133 08/05 205 85 a grave */ {0x85,0x41,1,0},
+/* 134 08/06 206 86 a ring */ {0x86,0x8F,1,1},
+/* 136 08/08 210 88 e circumflex */ {0x88,0x45,1,0},
+/* 137 08/09 211 89 e diaeresis */ {0x89,0x45,1,0},
+/* 138 08/10 212 8A e grave */ {0x8A,0x45,1,0},
+/* 139 08/11 213 8B i diaeresis */ {0x8B,0x49,1,0},
+/* 140 08/12 214 8C i circumflex */ {0x8C,0x49,1,0},
+/* 141 08/13 215 8D i grave */ {0x8D,0x49,1,0},
+/* 145 09/01 221 91 ae diphthong */
+/* 146 09/02 222 92 AE diphthong */ {0x91,0x92,1,1},
+/* 147 09/03 223 93 o circumflex */ {0x93,0x4F,1,0},
+/* 148 09/04 224 94 o diaeresis */
+/* 153 09/09 231 99 O diaeresis */ {0x94,0x99,1,1},
+/* 149 09/05 225 95 o grave */ {0x95,0x4F,1,0},
+/* 150 09/06 226 96 u circumflex */ {0x96,0x55,1,0},
+/* 151 09/07 227 97 u grave */ {0x97,0x55,1,0},
+/* 152 ??/?? 201 98 u diaeresis */
+ {0x9B,0,0,0}, /* Cent */
+ {0x9C,0,0,0}, /* Pound */
+ {0x9D,0,0,0}, /* Yen */
+/* 160 10/00 240 A0 a acute */ {0xA0,0x41,1,0},
+/* 161 10/01 241 A1 i acute */ {0xA1,0x49,1,0},
+/* 162 10/02 242 A2 o acute */ {0xA2,0x4F,1,0},
+/* 163 10/03 243 A3 u acute */ {0xA3,0x55,1,0},
+/* 164 10/04 244 A4 n tilde */
+/* 165 10/05 245 A5 N tilde */ {0xA4,0xA5,1,1},
+/* Punctuation... */
+ {0xA8,0,0,0},
+ {0xAD,0,0,0},
+ {0xAE,0,0,0},
+ {0xAF,0,0,0},
+/* Greek character set */
+ {0xE0,0,0,0},
+ {0xE1,0,0,0},
+ {0xE2,0,0,0},
+ {0xE3,0,0,0},
+ {0xE4,0,0,0},
+ {0xE5,0,0,0},
+ {0xE6,0,0,0},
+ {0xE7,0,0,0},
+ {0xE8,0,0,0},
+ {0xE9,0,0,0},
+ {0xEA,0,0,0},
+ {0xEB,0,0,0},
+ {0xEC,0,0,0},
+ {0xED,0,0,0},
+ {0xEE,0,0,0},
+ {0xEF,0,0,0},
+ {0,0,0,0}
+};
+
char xx_dos_char_map[256];
char xx_upper_char_map[256];
char xx_lower_char_map[256];
-char *dos_char_map = NULL;
-char *upper_char_map = NULL;
-char *lower_char_map = NULL;
+char *dos_char_map = xx_dos_char_map;
+char *upper_char_map = xx_upper_char_map;
+char *lower_char_map = xx_lower_char_map;
-static void add_dos_char(int lower, int upper)
+/*
+ * This code has been extended to deal with ascynchronous mappings
+ * like MS-DOS Latin US (Code page 437) where things like :
+ * a acute are capitalized to 'A', but the reverse mapping
+ * must not hold true. This allows the filename case insensitive
+ * matching in do_match() to work, as the DOS/Win95/NT client
+ * uses 'A' as a mask to match against characters like a acute.
+ * This is the meaning behind the parameters that allow a
+ * mapping from lower to upper, but not upper to lower.
+ */
+
+static void add_dos_char(int lower, BOOL map_lower_to_upper,
+ int upper, BOOL map_upper_to_lower)
{
- DEBUG(6,("Adding chars 0%o 0%o\n",lower,upper));
- if (lower) dos_char_map[(char)lower] = 1;
- if (upper) dos_char_map[(char)upper] = 1;
+ lower &= 0xff;
+ upper &= 0xff;
+ DEBUG(6,("Adding chars 0x%x 0x%x (l->u = %s) (u->l = %s)\n",lower,upper,
+ map_lower_to_upper ? "True" : "False",
+ map_upper_to_lower ? "True" : "False"));
+ if (lower) dos_char_map[lower] = 1;
+ if (upper) dos_char_map[upper] = 1;
if (lower && upper) {
- lower_char_map[(char)upper] = (char)lower;
- upper_char_map[(char)lower] = (char)upper;
- lower_char_map[(char)lower] = (char)lower;
- upper_char_map[(char)upper] = (char)upper;
+ if(map_upper_to_lower)
+ lower_char_map[upper] = (char)lower;
+ if(map_lower_to_upper)
+ upper_char_map[lower] = (char)upper;
}
}
/****************************************************************************
initialise the charset arrays
****************************************************************************/
-void charset_initialise(void)
+void charset_initialise()
{
int i;
- dos_char_map = &xx_dos_char_map[128];
- upper_char_map = &xx_upper_char_map[128];
- lower_char_map = &xx_lower_char_map[128];
+#ifdef LC_ALL
+ /* include <locale.h> in includes.h if available for OS */
+ /* we take only standard 7-bit ASCII definitions from ctype */
+ setlocale(LC_ALL,"C");
+#endif
- for (i= -128;i<=127;i++) {
- dos_char_map[(char)i] = 0;
+ for (i= 0;i<=255;i++) {
+ dos_char_map[i] = 0;
}
for (i=0;i<=127;i++) {
if (isalnum((char)i) || strchr("._^$~!#%&-{}()@'`",(char)i))
- add_dos_char(i,0);
+ add_dos_char(i,False,0,False);
}
- for (i= -128;i<=127;i++) {
+ for (i=0; i<=255; i++) {
char c = (char)i;
upper_char_map[i] = lower_char_map[i] = c;
- if (isupper(c)) lower_char_map[c] = tolower(c);
- if (islower(c)) upper_char_map[c] = toupper(c);
+ if (isupper(c)) lower_char_map[i] = tolower(c);
+ if (islower(c)) upper_char_map[i] = toupper(c);
}
-
- /* valid for all DOS PC */
- add_dos_char(142,0); /* A trema */
- add_dos_char(143,0); /* A o */
- add_dos_char(144,0); /* E ' */
- add_dos_char(146,0); /* AE */
- add_dos_char(153,0); /* O trema */
- add_dos_char(154,0); /* U trema */
- add_dos_char(165,0); /* N tilda */
- add_dos_char(128,0); /* C cedille */
- add_dos_char(156,0); /* Pound */
- add_dos_char(183,0); /* A ` (WIN)*/
- add_dos_char(157,0); /* Phi (WIN)*/
- add_dos_char(212,0); /* E` (WIN)*/
}
+/****************************************************************************
+initialise the client codepage.
+****************************************************************************/
+void codepage_initialise(int client_codepage)
+{
+ int i;
+ unsigned char (*cp)[4] = NULL;
+
+ DEBUG(6,("codepage_initialise: client code page = %d\n", client_codepage));
+
+ /*
+ * Known client codepages - these can be added to.
+ */
+ switch(client_codepage)
+ {
+ case 850:
+ cp = cp_850;
+ break;
+ case 437:
+ cp = cp_437;
+ break;
+ default:
+ /* Use default codepage - currently 850 */
+ DEBUG(6,("codepage_initialise: Using default client codepage %d\n",
+ 850));
+ cp = cp_850;
+ break;
+ }
+
+ if(cp)
+ {
+ for(i = 0; (cp[i][0] != '\0') && (cp[i][1] != '\0'); i++)
+ add_dos_char(cp[i][0], (BOOL)cp[i][2], cp[i][1], (BOOL)cp[i][3]);
+ }
+}
/*******************************************************************
add characters depending on a string passed by the user
int i1=0,i2=0;
if (isdigit(*t) || (*t)=='-') {
sscanf(t,"%i:%i",&i1,&i2);
- add_dos_char(i1,i2);
+ add_dos_char(i1,True,i2,True);
} else {
sscanf(t,"%c:%c",&c1,&c2);
- add_dos_char(c1,c2);
+ add_dos_char(c1,True,c2, True);
}
}