Unix SMB/Netbios implementation.
Version 1.9.
Character set handling
- Copyright (C) Andrew Tridgell 1992-1995
+ Copyright (C) Andrew Tridgell 1992-1998
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.
+ */
+
+#if !defined(KANJI)
+/* 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}
+};
+#else /* KANJI */
+/* lower->upper mapping for IBM Code Page 932 - MS-DOS Japanese SJIS */
+unsigned char cp_932[][4] = {
+ {0,0,0,0}
+};
+#endif /* KANJI */
+
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;
+
+/*
+ * 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, int upper)
+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;
+ lower_char_map[lower] = (char)lower; /* Define tolower(lower) */
+ upper_char_map[upper] = (char)upper; /* Define toupper(upper) */
if (lower && upper) {
- lower_char_map[(char)upper] = (char)lower;
- upper_char_map[(char)lower] = (char)upper;
+ if(map_upper_to_lower)
+ lower_char_map[upper] = (char)lower;
+ if(map_lower_to_upper)
+ upper_char_map[lower] = (char)upper;
}
}
{
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);
- }
-
- /* 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)*/
+
+ /* Some systems have buggy isupper/islower for characters
+ above 127. Best not to rely on them. */
+ if(i < 128) {
+ if (isupper(c)) lower_char_map[i] = tolower(c);
+ if (islower(c)) upper_char_map[i] = toupper(c);
+ }
+ }
+}
+
+/****************************************************************************
+load the client codepage.
+****************************************************************************/
+
+typedef unsigned char (*codepage_p)[4];
+
+static codepage_p load_client_codepage( int client_codepage )
+{
+ pstring codepage_file_name;
+ unsigned char buf[8];
+ FILE *fp = NULL;
+ unsigned int size;
+ codepage_p cp_p = NULL;
+ struct stat st;
+
+ DEBUG(5, ("load_client_codepage: loading codepage %d.\n", client_codepage));
+
+ if(strlen(CODEPAGEDIR) + 14 > sizeof(codepage_file_name))
+ {
+ DEBUG(0,("load_client_codepage: filename too long to load\n"));
+ return NULL;
+ }
+
+ strcpy(codepage_file_name, CODEPAGEDIR);
+ strcat(codepage_file_name, "/");
+ strcat(codepage_file_name, "codepage.");
+ sprintf( &codepage_file_name[strlen(codepage_file_name)], "%03d",
+ client_codepage);
+
+ if(!file_exist(codepage_file_name,&st))
+ {
+ DEBUG(0,("load_client_codepage: filename %s does not exist.\n",
+ codepage_file_name));
+ return NULL;
+ }
+
+ /* Check if it is at least big enough to hold the required
+ data. Should be 2 byte version, 2 byte codepage, 4 byte length,
+ plus zero or more bytes of data. Note that the data cannot be more
+ than 4 * MAXCODEPAGELINES bytes.
+ */
+ size = (unsigned int)st.st_size;
+
+ if( size < CODEPAGE_HEADER_SIZE || size > (CODEPAGE_HEADER_SIZE + 4 * MAXCODEPAGELINES))
+ {
+ DEBUG(0,("load_client_codepage: file %s is an incorrect size for a \
+code page file.\n", codepage_file_name));
+ return NULL;
+ }
+
+ /* Read the first 8 bytes of the codepage file - check
+ the version number and code page number. All the data
+ is held in little endian format.
+ */
+
+ if((fp = fopen( codepage_file_name, "r")) == NULL)
+ {
+ DEBUG(0,("load_client_codepage: cannot open file %s. Error was %s\n",
+ codepage_file_name, strerror(errno)));
+ return NULL;
+ }
+
+ if(fread( buf, 1, CODEPAGE_HEADER_SIZE, fp)!=CODEPAGE_HEADER_SIZE)
+ {
+ DEBUG(0,("load_client_codepage: cannot read header from file %s. Error was %s\n",
+ codepage_file_name, strerror(errno)));
+ goto clean_and_exit;
+ }
+
+ /* Check the version value */
+ if(SVAL(buf,CODEPAGE_VERSION_OFFSET) != CODEPAGE_FILE_VERSION_ID)
+ {
+ DEBUG(0,("load_client_codepage: filename %s has incorrect version id. \
+Needed %hu, got %hu.\n",
+ codepage_file_name, (uint16)CODEPAGE_FILE_VERSION_ID,
+ SVAL(buf,CODEPAGE_VERSION_OFFSET)));
+ goto clean_and_exit;
+ }
+
+ /* Check the codepage matches */
+ if(SVAL(buf,CODEPAGE_CLIENT_CODEPAGE_OFFSET) != (uint16)client_codepage)
+ {
+ DEBUG(0,("load_client_codepage: filename %s has incorrect codepage. \
+Needed %hu, got %hu.\n",
+ codepage_file_name, (uint16)client_codepage,
+ SVAL(buf,CODEPAGE_CLIENT_CODEPAGE_OFFSET)));
+ goto clean_and_exit;
+ }
+
+ /* Check the length is correct. */
+ if(IVAL(buf,CODEPAGE_LENGTH_OFFSET) !=
+ (unsigned int)(size - CODEPAGE_HEADER_SIZE))
+ {
+ DEBUG(0,("load_client_codepage: filename %s has incorrect size headers. \
+Needed %u, got %u.\n", codepage_file_name, size - CODEPAGE_HEADER_SIZE,
+ IVAL(buf,CODEPAGE_LENGTH_OFFSET)));
+ goto clean_and_exit;
+ }
+
+ size -= CODEPAGE_HEADER_SIZE; /* Remove header */
+
+ /* Make sure the size is a multiple of 4. */
+ if((size % 4 ) != 0)
+ {
+ DEBUG(0,("load_client_codepage: filename %s has a codepage size not a \
+multiple of 4.\n", codepage_file_name));
+ goto clean_and_exit;
+ }
+
+ /* Allocate space for the code page file and read it all in. */
+ if((cp_p = (codepage_p)malloc( size + 4 )) == NULL)
+ {
+ DEBUG(0,("load_client_codepage: malloc fail.\n"));
+ goto clean_and_exit;
+ }
+
+ if(fread( (char *)cp_p, 1, size, fp)!=size)
+ {
+ DEBUG(0,("load_client_codepage: read fail on file %s. Error was %s.\n",
+ codepage_file_name, strerror(errno)));
+ goto clean_and_exit;
+ }
+
+ /* Ensure array is correctly terminated. */
+ memset(((char *)cp_p) + size, '\0', 4);
+
+ fclose(fp);
+ return cp_p;
+
+clean_and_exit:
+
+ /* pseudo destructor :-) */
+
+ if(fp != NULL)
+ fclose(fp);
+ if(cp_p)
+ free((char *)cp_p);
+ return NULL;
}
+/****************************************************************************
+initialise the client codepage.
+****************************************************************************/
+void codepage_initialise(int client_codepage)
+{
+ int i;
+ static codepage_p cp = NULL;
+
+ if(cp != NULL)
+ {
+ DEBUG(6,
+ ("codepage_initialise: called twice - ignoring second client code page = %d\n",
+ client_codepage));
+ return;
+ }
+
+ DEBUG(6,("codepage_initialise: client code page = %d\n", client_codepage));
+
+ /*
+ * Known client codepages - these can be added to.
+ */
+ cp = load_client_codepage( client_codepage );
+
+ if(cp == NULL)
+ {
+#ifdef KANJI
+ DEBUG(6,("codepage_initialise: loading dynamic codepage file %s/codepage.%d \
+for code page %d failed. Using default client codepage 932\n",
+ CODEPAGEDIR, client_codepage, client_codepage));
+ cp = cp_932;
+ client_codepage = KANJI_CODEPAGE;
+#else /* KANJI */
+ DEBUG(6,("codepage_initialise: loading dynamic codepage file %s/codepage.%d \
+for code page %d failed. Using default client codepage 850\n",
+ CODEPAGEDIR, client_codepage, client_codepage));
+ cp = cp_850;
+ client_codepage = MSDOS_LATIN_1_CODEPAGE;
+#endif /* KANJI */
+ }
+
+ /*
+ * Setup the function pointers for the loaded codepage.
+ */
+ initialize_multibyte_vectors( client_codepage );
+
+ 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
for (t=strtok(extra_chars," \t\r\n"); t; t=strtok(NULL," \t\r\n")) {
char c1=0,c2=0;
int i1=0,i2=0;
- if (isdigit(*t) || (*t)=='-') {
+ if (isdigit((unsigned char)*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((unsigned char)c1,True,(unsigned char)c2, True);
}
}
git.samba.org / kai / samba.git / blobdiff