1/*- 2 * Copyright (c) 1999 Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * Character conversion routines 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD$"); 31 32#include <sys/param.h> 33#include <sys/errno.h> 34#include <sys/systm.h> 35 36#include <netncp/ncp.h> 37#include <netncp/ncp_nls.h> 38 39/* 40 * 0 - character disallowed in NetWare file name. 41 */ 42static u_char ncp_u2n[256] = { 43 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 44 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 45 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10 */ 46 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 47 0x20, 0x21, 0x00, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */ 48 0x28, 0x29, 0x00, 0x00, 0x00, 0x2d, 0x2e, 0x00, 49 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */ 50 0x38, 0x39, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x00, 51 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */ 52 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 53 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */ 54 0x58, 0x59, 0x5a, 0x00, 0x00, 0x00, 0x5e, 0x5f, 55 0x00, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */ 56 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 57 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */ 58 0x78, 0x79, 0x7a, 0x7b, 0x00, 0x7d, 0x7e, 0x00, 59 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */ 60 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 61 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */ 62 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 63 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */ 64 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 65 0xb0, 0xbf, 0xbf, 0xbf, 0xbf, 0xb1, 0xb2, 0xb7, /* 0xb0 */ 66 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 67 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */ 68 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 69 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */ 70 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 71 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */ 72 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 73 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */ 74 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff 75}; 76 77static u_char ncp_n2u[256] = { 78 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */ 79 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 80 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */ 81 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 82 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */ 83 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 84 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */ 85 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f, 86 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */ 87 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 88 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */ 89 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 90 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */ 91 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 92 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */ 93 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 94 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */ 95 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 96 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */ 97 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 98 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */ 99 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 100 0xb0, 0xbf, 0xbf, 0xbf, 0xbf, 0xb1, 0xb2, 0xb7, /* 0xb0 */ 101 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 102 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */ 103 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 104 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */ 105 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 106 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */ 107 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 108 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */ 109 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff 110}; 111 112static u_char ncp_u2l[256] = { 113 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */ 114 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 115 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10 */ 116 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 117 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */ 118 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 119 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */ 120 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 121 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40 */ 122 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 123 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50 */ 124 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 125 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */ 126 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 127 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */ 128 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 129 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */ 130 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 131 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */ 132 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 133 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */ 134 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 135 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0 */ 136 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 137 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */ 138 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 139 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */ 140 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 141 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */ 142 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 143 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */ 144 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff 145}; 146 147static u_char ncp_l2u[256] = { 148 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */ 149 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 150 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 10-17 */ 151 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 152 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 20-27 */ 153 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 154 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 30-37 */ 155 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 156 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 40-47 */ 157 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 158 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 50-57 */ 159 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 160 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 60-67 */ 161 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 162 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 70-77 */ 163 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 164 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */ 165 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 166 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */ 167 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 168 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */ 169 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 170 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0 */ 171 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 172 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */ 173 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 174 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */ 175 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 176 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */ 177 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 178 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */ 179 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff 180}; 181 182struct ncp_nlstables ncp_defnls = { 183 ncp_u2l, ncp_l2u, ncp_n2u, ncp_u2n, 0 184}; 185 186void ncp_str_upper(char *name) { 187 while (*name) { 188 *name = ncp_defnls.to_upper[(u_char)*name]; 189 name++; 190 } 191} 192 193void ncp_str_lower(char *name) { 194 while (*name) { 195 *name = ncp_defnls.to_lower[(u_char)*name]; 196 name++; 197 } 198} 199 200/* 201 * Check if pathname is valid under given conditions. 202 */ 203int 204ncp_pathcheck(char *s, int len, struct ncp_nlstables *nt, int strict) { 205 u_char *tbl = NULL, sc; 206 int opt = nt->opt; 207 208 if (opt & (NWHP_UPPER | NWHP_LOWER)) 209 tbl = (opt & NWHP_UPPER) ? nt->to_upper : nt->to_lower; 210 if ((opt & NWHP_DOS) == 0) { 211 while (len--) { 212 sc = (u_char)*(s++); 213 if (nt->u2n[sc] == 0) /* illegal char */ 214 return EINVAL; 215 if (tbl && strict && tbl[sc] != sc) 216 return EINVAL; 217 } 218 return 0; 219 } 220 while (len--) { 221 sc = (u_char)*(s++); 222 if (nt->u2n[sc] == 0) /* illegal char */ 223 return EINVAL; 224 if (sc == ' ') return EINVAL; 225 if (tbl && strict && tbl[sc] != sc) { 226 return EINVAL; 227 } 228 } 229 return 0; 230} 231/* 232 * Convert name from Unix to NetWare representation. 233 * XXX: it should be complementary with path2unix, but for now 234 * leave it as is. 235 */ 236void 237ncp_pathcopy(const char *src, char *dst, int len, struct ncp_nlstables *nt) 238{ 239 int donls; 240 u_char c; 241/* char *d = dst, *s = src;*/ 242 243 if (nt == NULL) { 244 ovbcopy(src, dst, len); 245 return; 246 } 247 donls = (nt->opt & NWHP_NLS); 248 if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) { 249 while (len--) { 250 *dst = donls ? nt->u2n[(u_char)*src] : *src; 251 dst++; 252 src++; 253 } 254 } else if (nt->opt & NWHP_DOS) { 255 while (len--) { 256 c = nt->to_upper[(u_char)*src]; 257 *dst = donls ? nt->u2n[c] : c; 258 dst++; 259 src++; 260 } 261 return; 262 } else { /* probably incorrect... */ 263 while (len--) { 264 *dst = donls ? nt->u2n[(u_char)*src] : *src; 265 dst++; 266 src++; 267 } 268 } 269/* printf("fromux: %s:%s\n", s, d);*/ 270} 271 272/* 273 * Convert NetWare filename to Unix with optional conversions 274 */ 275void 276ncp_path2unix(char *src, char *dst, int len, struct ncp_nlstables *nt) { 277 int donls; 278 u_char c, *tbl; 279/* char *d = dst, *s = src;*/ 280 281/* printf("toux(%02x): %s:",nt->opt, s);*/ 282 if (nt == NULL) { 283 ovbcopy(src, dst, len); 284 return; 285 } 286 donls = (nt->opt & NWHP_NLS); 287 if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) { 288 while (len--) { 289 c = *src; 290 *dst = donls ? nt->n2u[c] : c; 291 dst++; 292 src++; 293 } 294 return; 295 } 296 tbl = (nt->opt & NWHP_LOWER) ? nt->to_lower : nt->to_upper; 297 while (len--) { 298 c = *src; 299 *dst = tbl[donls ? nt->n2u[c] : c]; 300 dst++; 301 src++; 302 } 303/* printf("%s\n", d);*/ 304} 305