| 1 | /*␊ |
| 2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| 7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
| 8 | * Original Code as defined in and that are subject to the Apple Public␊ |
| 9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
| 10 | * except in compliance with the License. Please obtain a copy of the␊ |
| 11 | * License at http://www.apple.com/publicsource and read it before using␊ |
| 12 | * this file.␊ |
| 13 | * ␊ |
| 14 | * The Original Code and all software distributed under the License are␊ |
| 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
| 19 | * License for the specific language governing rights and limitations␊ |
| 20 | * under the License.␊ |
| 21 | * ␊ |
| 22 | * @APPLE_LICENSE_HEADER_END@␊ |
| 23 | */␊ |
| 24 | /*␊ |
| 25 | * Copyright 1993 NeXT, Inc.␊ |
| 26 | * All rights reserved.␊ |
| 27 | */␊ |
| 28 | ␊ |
| 29 | #include "bootstruct.h"␊ |
| 30 | #include "libsaio.h"␊ |
| 31 | #include "boot.h"␊ |
| 32 | #include "xml.h"␊ |
| 33 | ␊ |
| 34 | extern char *Language;␊ |
| 35 | extern char *LoadableFamilies;␊ |
| 36 | ␊ |
| 37 | bool sysConfigValid;␊ |
| 38 | ␊ |
| 39 | #if UNUSED␊ |
| 40 | ␊ |
| 41 | /*␊ |
| 42 | * Compare a string to a key with quoted characters␊ |
| 43 | */␊ |
| 44 | static inline int keyncmp(const char *str, const char *key, int n)␊ |
| 45 | {␊ |
| 46 | int c;␊ |
| 47 | while (n--) {␊ |
| 48 | ␉c = *key++;␊ |
| 49 | ␉if (c == '\\') {␊ |
| 50 | ␉ switch(c = *key++) {␊ |
| 51 | ␉ case 'n':␊ |
| 52 | ␉␉c = '\n';␊ |
| 53 | ␉␉break;␊ |
| 54 | ␉ case 'r':␊ |
| 55 | ␉␉c = '\r';␊ |
| 56 | ␉␉break;␊ |
| 57 | ␉ case 't':␊ |
| 58 | ␉␉c = '\t';␊ |
| 59 | ␉␉break;␊ |
| 60 | ␉ default:␊ |
| 61 | ␉␉break;␊ |
| 62 | ␉ }␊ |
| 63 | ␉} else if (c == '\"') {␊ |
| 64 | ␉ // Premature end of key␊ |
| 65 | ␉ return 1;␊ |
| 66 | ␉}␊ |
| 67 | ␉if (c != *str++) {␊ |
| 68 | ␉ return 1;␊ |
| 69 | ␉}␊ |
| 70 | }␊ |
| 71 | return 0;␊ |
| 72 | }␊ |
| 73 | ␊ |
| 74 | static void eatThru(char val, const char **table_p)␊ |
| 75 | {␊ |
| 76 | ␉register const char *table = *table_p;␊ |
| 77 | ␉register bool found = false;␊ |
| 78 | ␊ |
| 79 | ␉while (*table && !found)␊ |
| 80 | ␉{␊ |
| 81 | ␉␉if (*table == '\\') table += 2;␊ |
| 82 | ␉␉else␊ |
| 83 | ␉␉{␊ |
| 84 | ␉␉␉if (*table == val) found = true;␊ |
| 85 | ␉␉␉table++;␊ |
| 86 | ␉␉}␊ |
| 87 | ␉}␊ |
| 88 | ␉*table_p = table;␊ |
| 89 | }␊ |
| 90 | ␊ |
| 91 | /* Remove key and its associated value from the table. */␊ |
| 92 | bool removeKeyFromTable(const char *key, char *table)␊ |
| 93 | {␊ |
| 94 | register int len;␊ |
| 95 | register char *tab;␊ |
| 96 | char *buf;␊ |
| 97 | ␊ |
| 98 | len = strlen(key);␊ |
| 99 | tab = (char *)table;␊ |
| 100 | buf = (char *)malloc(len + 3);␊ |
| 101 | ␊ |
| 102 | snprintf(buf, len + 3,"\"%s\"", key);␊ |
| 103 | len = strlen(buf);␊ |
| 104 | ␊ |
| 105 | while(*tab) {␊ |
| 106 | if(strncmp(buf, tab, len) == 0) {␊ |
| 107 | char c;␊ |
| 108 | ␊ |
| 109 | while((c = *(tab + len)) != ';') {␊ |
| 110 | if(c == 0) {␊ |
| 111 | len = -1;␊ |
| 112 | goto out;␊ |
| 113 | }␊ |
| 114 | len++;␊ |
| 115 | }␊ |
| 116 | len++;␊ |
| 117 | if(*(tab + len) == '\n') len++;␊ |
| 118 | goto out;␊ |
| 119 | }␊ |
| 120 | tab++;␊ |
| 121 | }␊ |
| 122 | len = -1;␊ |
| 123 | out:␊ |
| 124 | free(buf);␊ |
| 125 | ␊ |
| 126 | if(len == -1) return false;␊ |
| 127 | ␊ |
| 128 | while((*tab = *(tab + len))) {␊ |
| 129 | tab++;␊ |
| 130 | }␊ |
| 131 | ␊ |
| 132 | return true;␊ |
| 133 | }␊ |
| 134 | ␊ |
| 135 | char *newStringFromList(char **list, int *size)␊ |
| 136 | {␊ |
| 137 | ␉char *begin = *list, *end;␊ |
| 138 | ␉char *newstr;␊ |
| 139 | ␉int newsize = *size;␊ |
| 140 | ␉int bufsize;␊ |
| 141 | ␊ |
| 142 | ␉while (*begin && newsize && isspace(*begin)) {␊ |
| 143 | ␉␉begin++;␊ |
| 144 | ␉␉newsize--;␊ |
| 145 | ␉}␊ |
| 146 | ␉end = begin;␊ |
| 147 | ␉while (*end && newsize && !isspace(*end)) {␊ |
| 148 | ␉␉end++;␊ |
| 149 | ␉␉newsize--;␊ |
| 150 | ␉}␊ |
| 151 | ␉if (begin == end) {␊ |
| 152 | ␉␉return 0;␊ |
| 153 | ␉}␊ |
| 154 | ␉bufsize = end - begin + 1;␊ |
| 155 | ␉newstr = malloc(bufsize);␊ |
| 156 | ␉if (!newstr)␊ |
| 157 | ␉{␊ |
| 158 | ␉␉return 0;␊ |
| 159 | ␉}␊ |
| 160 | ␉strlcpy(newstr, begin, bufsize);␊ |
| 161 | ␉*list = end;␊ |
| 162 | ␉*size = newsize;␊ |
| 163 | ␉return newstr;␊ |
| 164 | }␊ |
| 165 | ␊ |
| 166 | #endif␊ |
| 167 | ␊ |
| 168 | /* ␊ |
| 169 | * compress == compress escaped characters to one character␊ |
| 170 | */␊ |
| 171 | int stringLength(const char *table, int compress)␊ |
| 172 | {␊ |
| 173 | ␉int ret = 0;␊ |
| 174 | ␊ |
| 175 | ␉while (*table) {␊ |
| 176 | ␉␉if (*table == '\\') {␊ |
| 177 | ␉␉␉table += 2;␊ |
| 178 | ␉␉␉ret += 1 + (compress ? 0 : 1);␊ |
| 179 | ␉␉}␊ |
| 180 | ␉␉else␊ |
| 181 | ␉␉{␊ |
| 182 | ␉␉␉if (*table == '\"')␊ |
| 183 | ␉␉␉{␊ |
| 184 | ␉␉␉␉return ret;␊ |
| 185 | ␉␉␉}␊ |
| 186 | ␉␉␉ret++;␊ |
| 187 | ␉␉␉table++;␊ |
| 188 | ␉␉}␊ |
| 189 | ␉}␊ |
| 190 | ␉return ret;␊ |
| 191 | }␊ |
| 192 | ␊ |
| 193 | ␊ |
| 194 | bool getValueForConfigTableKey(config_file_t *config, const char *key, const char **val, int *size)␊ |
| 195 | {␊ |
| 196 | ␉if (config->dictionary != 0 ) {␊ |
| 197 | ␉␉// Look up key in XML dictionary␊ |
| 198 | ␉␉TagPtr value;␊ |
| 199 | ␉␉value = XMLGetProperty(config->dictionary, key);␊ |
| 200 | ␉␉if (value != 0) {␊ |
| 201 | ␉␉␉if (value->type != kTagTypeString) {␊ |
| 202 | ␉␉␉␉error("Non-string tag '%s' found in config file\n", key);␊ |
| 203 | ␉␉␉␉return false;␊ |
| 204 | ␉␉␉}␊ |
| 205 | ␉␉␉*val = value->string;␊ |
| 206 | ␉␉␉*size = strlen(value->string);␊ |
| 207 | ␉␉␉return true;␊ |
| 208 | ␉␉}␊ |
| 209 | ␉} else {␊ |
| 210 | ␊ |
| 211 | ␉␉// Legacy plist-style table␊ |
| 212 | ␊ |
| 213 | ␉}␊ |
| 214 | ␊ |
| 215 | ␉return false;␊ |
| 216 | }␊ |
| 217 | ␊ |
| 218 | #if UNUSED␊ |
| 219 | ␊ |
| 220 | /*␊ |
| 221 | * Returns a new malloc'ed string if one is found␊ |
| 222 | * in the string table matching 'key'. Also translates␊ |
| 223 | * \n escapes in the string.␊ |
| 224 | */␊ |
| 225 | char *newStringForStringTableKey(char *table, char *key, config_file_t *config)␊ |
| 226 | {␊ |
| 227 | ␉const char *val;␊ |
| 228 | ␉char *newstr, *p;␊ |
| 229 | ␉int size;␊ |
| 230 | ␊ |
| 231 | ␉if (getValueForConfigTableKey(config, key, &val, &size))␊ |
| 232 | ␉{␊ |
| 233 | ␉␉newstr = (char *)malloc(size+1);␊ |
| 234 | ␉␉if (!newstr)␊ |
| 235 | ␉␉{␊ |
| 236 | ␉␉␉return 0;␊ |
| 237 | ␉␉}␊ |
| 238 | ␉␉for (p = newstr; size; size--, p++, val++) {␊ |
| 239 | ␉␉␉if ((*p = *val) == '\\') {␊ |
| 240 | ␉␉␉␉switch (*++val) {␊ |
| 241 | ␉␉␉␉␉case 'r':␊ |
| 242 | ␉␉␉␉␉␉*p = '\r';␊ |
| 243 | ␉␉␉␉␉break;␊ |
| 244 | ␉␉␉␉␉case 'n':␊ |
| 245 | ␉␉␉␉␉␉*p = '\n';␊ |
| 246 | ␉␉␉␉␉break;␊ |
| 247 | ␉␉␉␉␉case 't':␊ |
| 248 | ␉␉␉␉␉␉*p = '\t';␊ |
| 249 | ␉␉␉␉␉break;␊ |
| 250 | ␉␉␉␉␉default:␊ |
| 251 | ␉␉␉␉␉␉*p = *val;␊ |
| 252 | ␉␉␉␉␉break;␊ |
| 253 | ␉␉␉␉}␊ |
| 254 | ␉␉␉␉size--;␊ |
| 255 | ␉␉␉}␊ |
| 256 | ␉␉}␊ |
| 257 | ␉␉*p = '\0';␊ |
| 258 | ␉␉return newstr;␊ |
| 259 | ␉} else {␊ |
| 260 | ␉␉return 0;␊ |
| 261 | ␉}␊ |
| 262 | }␊ |
| 263 | ␊ |
| 264 | #endif␊ |
| 265 | ␊ |
| 266 | char *newStringForKey(char *key, config_file_t *config)␊ |
| 267 | {␊ |
| 268 | ␉const char *val;␊ |
| 269 | ␉char *newstr;␊ |
| 270 | ␉int size;␊ |
| 271 | ␊ |
| 272 | ␉if (getValueForKey(key, &val, &size, config) && size) {␊ |
| 273 | ␉␉newstr = (char *)malloc(size + 1);␊ |
| 274 | ␉␉if (!newstr)␊ |
| 275 | ␉␉{␊ |
| 276 | ␉␉␉return 0;␊ |
| 277 | ␉␉}␊ |
| 278 | ␉␉strlcpy(newstr, val, size + 1);␊ |
| 279 | ␉␉return newstr;␊ |
| 280 | ␉} else {␊ |
| 281 | ␉␉return 0;␊ |
| 282 | ␉}␊ |
| 283 | }␊ |
| 284 | ␊ |
| 285 | /* parse a command line␊ |
| 286 | * in the form: [<argument> ...] [<option>=<value> ...]␊ |
| 287 | * both <option> and <value> must be either composed of␊ |
| 288 | * non-whitespace characters, or enclosed in quotes.␊ |
| 289 | */␊ |
| 290 | static const char *getToken(const char *line, const char **begin, int *len)␊ |
| 291 | {␊ |
| 292 | ␉if (*line == '\"') {␊ |
| 293 | ␉␉*begin = ++line;␊ |
| 294 | ␉␉while (*line && *line != '\"') {␊ |
| 295 | ␉␉␉line++;␊ |
| 296 | ␉␉}␊ |
| 297 | ␉␉*len = line++ - *begin;␊ |
| 298 | ␉} else {␊ |
| 299 | ␉␉*begin = line;␊ |
| 300 | ␉␉while (*line && !isspace(*line) && *line != '=') {␊ |
| 301 | ␉␉␉line++;␊ |
| 302 | ␉␉}␊ |
| 303 | ␉␉*len = line - *begin;␊ |
| 304 | ␉}␊ |
| 305 | ␉return line;␊ |
| 306 | }␊ |
| 307 | ␊ |
| 308 | bool getValueForBootKey(const char *line, const char *match, const char **matchval, int *len)␊ |
| 309 | {␊ |
| 310 | ␉const char *key, *value;␊ |
| 311 | ␉int key_len, value_len;␊ |
| 312 | ␉bool retval = false;␊ |
| 313 | ␊ |
| 314 | ␉while (*line) {␊ |
| 315 | ␉␉/* look for keyword or argument */␊ |
| 316 | ␉␉while (isspace(*line))␊ |
| 317 | ␉␉{␊ |
| 318 | ␉␉␉line++;␊ |
| 319 | ␉␉}␊ |
| 320 | ␊ |
| 321 | ␉␉/* now look for '=' or whitespace */␊ |
| 322 | ␉␉line = getToken(line, &key, &key_len);␊ |
| 323 | ␉␉/* line now points to '=' or space */␊ |
| 324 | ␉␉if (*line && !isspace(*line)) {␊ |
| 325 | ␉␉␉line = getToken(++line, &value, &value_len);␊ |
| 326 | ␉␉} else {␊ |
| 327 | ␉␉␉value = line;␊ |
| 328 | ␉␉␉value_len = 0;␊ |
| 329 | ␉␉}␊ |
| 330 | ␉␉if ((strlen(match) == key_len) && strncmp(match, key, key_len) == 0)␊ |
| 331 | ␉␉{␊ |
| 332 | ␉␉␉// create a new string␊ |
| 333 | ␉␉␉char* newstr = malloc(value_len + 1);␊ |
| 334 | ␉␉␉strncpy(newstr, value, value_len);␊ |
| 335 | ␉␉␉newstr[value_len] = 0;␊ |
| 336 | ␊ |
| 337 | ␉␉␉*matchval = newstr;␊ |
| 338 | ␉␉␉*len = value_len;␊ |
| 339 | ␉␉␉retval = true;␊ |
| 340 | ␉␉␉/* Continue to look for this key; last one wins. */␊ |
| 341 | ␉␉}␊ |
| 342 | ␉}␊ |
| 343 | ␊ |
| 344 | ␉return retval;␊ |
| 345 | }␊ |
| 346 | ␊ |
| 347 | /* Return NULL if no option has been successfully retrieved, or the string otherwise */␊ |
| 348 | const char *getStringForKey(const char *key, config_file_t *config)␊ |
| 349 | {␊ |
| 350 | ␉static const char *value = 0;␊ |
| 351 | ␉int len = 0;␊ |
| 352 | ␉if (!getValueForKey(key, &value, &len, config))␊ |
| 353 | ␉{␊ |
| 354 | ␉␉value = 0;␊ |
| 355 | ␉}␊ |
| 356 | ␉return value;␊ |
| 357 | }␊ |
| 358 | ␊ |
| 359 | /* Returns TRUE if a value was found, FALSE otherwise.␊ |
| 360 | * The boolean value of the key is stored in 'val'.␊ |
| 361 | */␊ |
| 362 | bool getBoolForKey(const char *key, bool *result_val, config_file_t *config)␊ |
| 363 | {␊ |
| 364 | const char *key_val;␊ |
| 365 | int size;␊ |
| 366 | ␊ |
| 367 | ␉if (getValueForKey(key, &key_val, &size, config))␊ |
| 368 | ␉{␊ |
| 369 | ␉␉if ((size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y'))␊ |
| 370 | ␉␉{␊ |
| 371 | ␉␉␉*result_val = true;␊ |
| 372 | ␉␉}␊ |
| 373 | ␉␉else␊ |
| 374 | ␉␉{␊ |
| 375 | ␉␉␉*result_val = false;␊ |
| 376 | ␉␉}␊ |
| 377 | ␉␉return true;␊ |
| 378 | ␉}␊ |
| 379 | ␉return false;␊ |
| 380 | }␊ |
| 381 | ␊ |
| 382 | bool getIntForKey(const char *key, int *value, config_file_t *config)␊ |
| 383 | {␊ |
| 384 | ␉const char *val;␊ |
| 385 | ␉int size, sum;␊ |
| 386 | ␉bool negative = false;␊ |
| 387 | ␊ |
| 388 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 389 | ␉{␊ |
| 390 | ␉␉if (size)␊ |
| 391 | ␉␉{␊ |
| 392 | ␉␉␉if (*val == '-')␊ |
| 393 | ␉␉␉{␊ |
| 394 | ␉␉␉␉negative = true;␊ |
| 395 | ␉␉␉␉val++;␊ |
| 396 | ␉␉␉␉size--;␊ |
| 397 | ␉␉␉}␊ |
| 398 | ␉␉␉␊ |
| 399 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 400 | ␉␉␉{␊ |
| 401 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 402 | ␉␉␉␉{␊ |
| 403 | ␉␉␉␉␉return false;␊ |
| 404 | ␉␉␉␉}␊ |
| 405 | ␉␉␉␉␊ |
| 406 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 407 | ␉␉␉}␊ |
| 408 | ␉␉␉␊ |
| 409 | ␉␉␉if (negative)␊ |
| 410 | ␉␉␉{␊ |
| 411 | ␉␉␉␉sum = -sum;␊ |
| 412 | ␉␉␉}␊ |
| 413 | ␉␉␉*value = sum;␊ |
| 414 | ␉␉␉return true;␊ |
| 415 | ␉␉}␊ |
| 416 | ␉}␊ |
| 417 | ␉return false;␊ |
| 418 | }␊ |
| 419 | /*␊ |
| 420 | *␊ |
| 421 | */␊ |
| 422 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
| 423 | {␊ |
| 424 | ␉const char *val;␊ |
| 425 | ␊ |
| 426 | ␉int size = 0;␊ |
| 427 | ␉int sum = 0;␊ |
| 428 | ␊ |
| 429 | ␉bool negative = false;␊ |
| 430 | ␉bool percentage = false;␊ |
| 431 | ␊ |
| 432 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 433 | ␉{␊ |
| 434 | ␉␉if ( size )␊ |
| 435 | ␉␉{␊ |
| 436 | ␉␉␉if (*val == '-')␊ |
| 437 | ␉␉␉{␊ |
| 438 | ␉␉␉␉negative = true;␊ |
| 439 | ␉␉␉␉val++;␊ |
| 440 | ␉␉␉␉size--;␊ |
| 441 | ␉␉␉}␊ |
| 442 | ␊ |
| 443 | ␉␉␉if (val[size-1] == '%')␊ |
| 444 | ␉␉␉{␊ |
| 445 | ␉␉␉␉percentage = true;␊ |
| 446 | ␉␉␉␉size--;␊ |
| 447 | ␉␉␉}␊ |
| 448 | ␊ |
| 449 | ␉␉␉// convert string to integer␊ |
| 450 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 451 | ␉␉␉{␊ |
| 452 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 453 | ␉␉␉␉{␊ |
| 454 | ␉␉␉␉␉return false;␊ |
| 455 | ␉␉␉␉}␊ |
| 456 | ␊ |
| 457 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 458 | ␉␉␉}␊ |
| 459 | ␊ |
| 460 | ␉␉␉if (percentage)␊ |
| 461 | ␉␉␉{␊ |
| 462 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
| 463 | ␉␉␉}␊ |
| 464 | ␊ |
| 465 | ␉␉␉// calculate offset from opposite origin␊ |
| 466 | ␉␉␉if (negative)␊ |
| 467 | ␉␉␉{␊ |
| 468 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
| 469 | ␉␉␉}␊ |
| 470 | ␊ |
| 471 | ␉␉}␊ |
| 472 | ␉␉else␊ |
| 473 | ␉␉{␊ |
| 474 | ␊ |
| 475 | ␉␉␉// null value calculate center␊ |
| 476 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
| 477 | ␊ |
| 478 | ␉␉}␊ |
| 479 | ␊ |
| 480 | ␉␉*value = (uint16_t) sum;␊ |
| 481 | ␉␉return true;␊ |
| 482 | ␉}␊ |
| 483 | ␊ |
| 484 | ␉// key not found␊ |
| 485 | ␉return false;␊ |
| 486 | }␊ |
| 487 | ␊ |
| 488 | /*␊ |
| 489 | *␉get color value from plist format #RRGGBB␊ |
| 490 | */␊ |
| 491 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
| 492 | {␊ |
| 493 | ␉const char *val;␊ |
| 494 | ␉int size;␊ |
| 495 | ␊ |
| 496 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 497 | ␉{␊ |
| 498 | ␉␉if (*val == '#') {␊ |
| 499 | ␉␉␉val++;␊ |
| 500 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
| 501 | ␉␉␉return true;␊ |
| 502 | ␉␉}␊ |
| 503 | ␉}␊ |
| 504 | ␉return false;␊ |
| 505 | }␊ |
| 506 | ␊ |
| 507 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
| 508 | {␊ |
| 509 | ␉const char *overrideVal;␊ |
| 510 | ␉int overrideSize;␊ |
| 511 | ␉bool override, ret;␊ |
| 512 | ␊ |
| 513 | ␉if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
| 514 | ␉{␊ |
| 515 | ␉␉return true;␊ |
| 516 | ␉}␊ |
| 517 | ␊ |
| 518 | ␉ret = getValueForConfigTableKey(config, key, val, size);␊ |
| 519 | ␊ |
| 520 | ␉// Try to find alternate keys in bootInfo->chameleonConfig (if config can be overriden)␊ |
| 521 | ␉// and prefer its values with the exceptions for␊ |
| 522 | ␉// "Kernel"="mach_kernel" and "Kernel Flags"="".␊ |
| 523 | ␊ |
| 524 | ␉if (config->canOverride)␊ |
| 525 | ␉{␊ |
| 526 | ␉␉if (getValueForConfigTableKey(&bootInfo->chameleonConfig, key, &overrideVal, &overrideSize))␊ |
| 527 | ␉␉{␊ |
| 528 | ␉␉␉override = true;␊ |
| 529 | ␊ |
| 530 | ␉␉␉// NOTE: Values are defined by apple as being in com.apple.Boot.plist␊ |
| 531 | ␉␉␉// kHelperRootUUIDKey, kKernelArchKey, kMKextCacheKey, kKernelCacheKey, kKernelNameKey, kKernelFlagsKey␊ |
| 532 | ␉␉␉if (ret && (strcmp(key, kKernelNameKey) == 0) && (overrideSize == 0))␊ |
| 533 | ␉␉␉{␊ |
| 534 | ␉␉␉␉override = false;␊ |
| 535 | ␉␉␉}␊ |
| 536 | ␊ |
| 537 | ␉␉␉if (ret && (strcmp(key, kKernelFlagsKey) == 0) && (overrideSize == 0))␊ |
| 538 | ␉␉␉{␊ |
| 539 | ␉␉␉␉override = false;␊ |
| 540 | ␉␉␉}␊ |
| 541 | ␊ |
| 542 | ␉␉␉if (override)␊ |
| 543 | ␉␉␉{␊ |
| 544 | ␉␉␉␉*val = overrideVal;␊ |
| 545 | ␉␉␉␉*size = overrideSize;␊ |
| 546 | ␉␉␉␉ret = true;␊ |
| 547 | ␉␉␉}␊ |
| 548 | ␉␉}␊ |
| 549 | ␉}␊ |
| 550 | ␉return ret;␊ |
| 551 | }␊ |
| 552 | ␊ |
| 553 | #if UNUSED␊ |
| 554 | void printSystemConfig(char *p1)␊ |
| 555 | {␊ |
| 556 | ␉char *p2 = p1, tmp;␊ |
| 557 | ␊ |
| 558 | ␉while (*p1 != '\0')␊ |
| 559 | ␉{␊ |
| 560 | ␉␉while (*p2 != '\0' && *p2 != '\n')␊ |
| 561 | ␉␉{␊ |
| 562 | ␉␉␉p2++;␊ |
| 563 | ␉␉}␊ |
| 564 | ␉tmp = *p2;␊ |
| 565 | ␉*p2 = '\0';␊ |
| 566 | ␉printf("%s\n", p1);␊ |
| 567 | ␉*p2 = tmp;␊ |
| 568 | ␉if (tmp == '\0')␊ |
| 569 | ␉{␊ |
| 570 | ␉␉break;␊ |
| 571 | ␉}␊ |
| 572 | ␉p1 = ++p2;␊ |
| 573 | }␊ |
| 574 | }␊ |
| 575 | #endif␊ |
| 576 | ␊ |
| 577 | //==========================================================================␊ |
| 578 | // ParseXMLFile␊ |
| 579 | // Modifies the input buffer.␊ |
| 580 | // Expects to see one dictionary in the XML file.␊ |
| 581 | // Puts the first dictionary it finds in the␊ |
| 582 | // tag pointer and returns 0, or returns -1 if not found␊ |
| 583 | // (and does not modify dict pointer).␊ |
| 584 | // Prints an error message if there is a parsing error.␊ |
| 585 | //␊ |
| 586 | int ParseXMLFile( char *buffer, TagPtr *dict )␊ |
| 587 | {␊ |
| 588 | ␉long length, pos;␊ |
| 589 | ␉TagPtr tag = 0;␊ |
| 590 | ␉pos = 0;␊ |
| 591 | ␉char *configBuffer;␊ |
| 592 | ␊ |
| 593 | ␉length = strlen(buffer) + 1;␊ |
| 594 | ␊ |
| 595 | ␉configBuffer = malloc(strlen(buffer)+1);␊ |
| 596 | ␉if (!configBuffer)␊ |
| 597 | ␉{␊ |
| 598 | ␉␉return -1;␊ |
| 599 | ␉}␊ |
| 600 | ␉strlcpy(configBuffer, buffer, length );␊ |
| 601 | ␊ |
| 602 | ␉while (1)␊ |
| 603 | ␉{␊ |
| 604 | ␉␉length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
| 605 | ␉␉␉if (length == -1)␊ |
| 606 | ␉␉␉{␊ |
| 607 | ␉␉␉␉break;␊ |
| 608 | ␉␉␉}␊ |
| 609 | ␊ |
| 610 | ␉␉pos += length;␊ |
| 611 | ␊ |
| 612 | ␉␉if (tag == 0)␊ |
| 613 | ␉␉{␊ |
| 614 | ␉␉␉continue;␊ |
| 615 | ␉␉}␊ |
| 616 | ␉␉if (tag->type == kTagTypeDict)␊ |
| 617 | ␉␉{␊ |
| 618 | ␉␉␉break;␊ |
| 619 | ␉␉}␊ |
| 620 | ␊ |
| 621 | ␉␉XMLFreeTag(tag);␊ |
| 622 | ␉}␊ |
| 623 | ␉free(configBuffer);␊ |
| 624 | ␉if (length < 0) {␊ |
| 625 | ␉␉error ("Error parsing plist file\n");␊ |
| 626 | ␉␉return -1;␊ |
| 627 | ␉}␊ |
| 628 | ␉*dict = tag;␊ |
| 629 | ␉return 0;␊ |
| 630 | }␊ |
| 631 | ␊ |
| 632 | /* loadConfigFile␊ |
| 633 | *␊ |
| 634 | * Returns 0 - successful.␊ |
| 635 | *␉␉ -1 - unsuccesful.␊ |
| 636 | */␊ |
| 637 | int loadConfigFile (const char *configFile, config_file_t *config)␊ |
| 638 | {␊ |
| 639 | ␉int fd, count;␊ |
| 640 | ␊ |
| 641 | ␉if ((fd = open_bvdev("bt(0,0)", configFile, 0)) < 0)␊ |
| 642 | ␉{␊ |
| 643 | ␉␉return -1;␊ |
| 644 | ␉}␊ |
| 645 | ␉// read file␊ |
| 646 | ␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 647 | ␉close(fd);␊ |
| 648 | ␊ |
| 649 | ␉// build xml dictionary␊ |
| 650 | ␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 651 | ␉return 0;␊ |
| 652 | }␊ |
| 653 | ␊ |
| 654 | /* loadSystemConfig␊ |
| 655 | *␊ |
| 656 | * Returns 0 - successful.␊ |
| 657 | *␉␉ -1 - unsuccesful.␊ |
| 658 | */␊ |
| 659 | int loadSystemConfig(config_file_t *config)␊ |
| 660 | {␊ |
| 661 | ␉char *dirspec[] = {␊ |
| 662 | ␉␉"/com.apple.recovery.boot/com.apple.Boot.plist",␉␉␉// OS X Recovery␊ |
| 663 | ␉␉"/OS X Install Data/com.apple.Boot.plist",␉␉␉␉// OS X Upgrade (10.8+)␊ |
| 664 | ␉␉"/Mac OS X Install Data/com.apple.Boot.plist",␉␉␉␉// OS X Upgrade (Lion 10.7)␊ |
| 665 | ␉␉//"/.IABootFiles/com.apple.Boot.plist",␉␉␉␉␉// OS X Installer␊ |
| 666 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␉␉// (Installed System or Installer)␊ |
| 667 | ␉};␊ |
| 668 | ␊ |
| 669 | ␉int i, fd, count, ret=-1;␊ |
| 670 | ␊ |
| 671 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 672 | ␉{␊ |
| 673 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
| 674 | ␉␉{␊ |
| 675 | ␉␉␉// read file␊ |
| 676 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 677 | ␉␉␉close(fd);␊ |
| 678 | ␊ |
| 679 | ␉␉␉// build xml dictionary␊ |
| 680 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 681 | ␉␉␉sysConfigValid = true;␉␊ |
| 682 | ␉␉␉ret=0;␊ |
| 683 | ␊ |
| 684 | ␉␉␉break;␊ |
| 685 | ␉␉}␊ |
| 686 | ␉}␊ |
| 687 | ␊ |
| 688 | ␉if(ret == -1) ret = loadHelperConfig(config);␊ |
| 689 | ␊ |
| 690 | ␉// Always enable canOverride flag (for SystemConfig)␊ |
| 691 | ␉config->canOverride = true;␊ |
| 692 | ␊ |
| 693 | ␉return ret;␊ |
| 694 | }␊ |
| 695 | ␊ |
| 696 | /* loadChameleonConfig␊ |
| 697 | *␊ |
| 698 | * Returns 0 - successful.␊ |
| 699 | *␉␉ -1 - unsuccesful.␊ |
| 700 | */␊ |
| 701 | int loadChameleonConfig(config_file_t *config, BVRef chain)␊ |
| 702 | {␊ |
| 703 | ␉char *dirspec[] = {␊ |
| 704 | ␉␉"/Extra/org.chameleon.Boot.plist",␊ |
| 705 | ␉␉"/Extra/com.apple.Boot.plist", /* DEPRECIATED */␊ |
| 706 | ␉};␊ |
| 707 | ␊ |
| 708 | ␉int i;␊ |
| 709 | ␊ |
| 710 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 711 | ␉{␊ |
| 712 | ␉␉if ( loadChameleonConfigForDevice(config, "rd(0,0)", dirspec[i]) == 0 )␊ |
| 713 | ␉␉{␊ |
| 714 | ␉␉␉return 0;␊ |
| 715 | ␉␉}␊ |
| 716 | ␊ |
| 717 | ␉␉if ( loadChameleonConfigForDevice(config, "", dirspec[i]) == 0 )␊ |
| 718 | ␉␉{␊ |
| 719 | ␉␉␉return 0;␊ |
| 720 | ␉␉}␊ |
| 721 | ␊ |
| 722 | ␉␉if ( loadChameleonConfigForDevice(config, "bt(0,0)", dirspec[i]) == 0 )␊ |
| 723 | ␉␉{␊ |
| 724 | ␉␉␉return 0;␊ |
| 725 | ␉␉}␊ |
| 726 | ␉␉BVRef bvr;␊ |
| 727 | ␉␉for ( bvr = chain; bvr; bvr = bvr->next ) /* C99 Error */␊ |
| 728 | ␉␉{␊ |
| 729 | ␉␉␉char device[256];␊ |
| 730 | ␉␉␉getDeviceDescription(bvr, device);␊ |
| 731 | ␊ |
| 732 | ␉␉␉if ( loadChameleonConfigForDevice(config, device, dirspec[i]) == 0 )␊ |
| 733 | ␉␉␉{␊ |
| 734 | ␉␉␉␉return 0;␊ |
| 735 | ␉␉␉}␊ |
| 736 | ␉␉}␊ |
| 737 | ␉}␊ |
| 738 | ␉return -1;␊ |
| 739 | }␊ |
| 740 | ␊ |
| 741 | /* loadChameleonConfigForDevice␊ |
| 742 | *␊ |
| 743 | * Returns 0 - successful.␊ |
| 744 | *␉␉ -1 - unsuccesful.␊ |
| 745 | */␊ |
| 746 | int loadChameleonConfigForDevice(config_file_t *config, const char *device, const char *path)␊ |
| 747 | {␊ |
| 748 | ␉char full_path[1024];␊ |
| 749 | ␉int fd;␊ |
| 750 | ␊ |
| 751 | ␉snprintf(full_path, sizeof(full_path), "%s%s", device, path);␊ |
| 752 | ␊ |
| 753 | ␉if ((fd = open(full_path, 0)) >= 0)␊ |
| 754 | ␉{␊ |
| 755 | ␉␉// Check for depreciated file names and annoy the user about it.␊ |
| 756 | ␉␉if(strstr(full_path, "com.apple.Boot.plist")) {␊ |
| 757 | ␉␉␉printf("%s is depreciated.\n", full_path);␊ |
| 758 | ␉␉␉full_path[strlen(full_path) - strlen("com.apple.Boot.plist")] = 0;␊ |
| 759 | ␉␉␉printf("Please use the file %sorg.chameleon.Boot.plist instead.\n", full_path);␊ |
| 760 | ␉␉␉pause();␊ |
| 761 | ␉␉}␊ |
| 762 | ␉␉// read file␊ |
| 763 | ␉␉read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 764 | ␉␉close(fd);␊ |
| 765 | ␊ |
| 766 | ␉␉// build xml dictionary␊ |
| 767 | ␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 768 | ␉␉sysConfigValid = true;␊ |
| 769 | ␉␉return 0;␊ |
| 770 | ␉}␊ |
| 771 | ␉return -1;␊ |
| 772 | }␊ |
| 773 | ␊ |
| 774 | /* loadHelperConfig␊ |
| 775 | *␊ |
| 776 | * Returns 0 - successful.␊ |
| 777 | *␉␉ -1 - unsuccesful.␊ |
| 778 | */␊ |
| 779 | int loadHelperConfig(config_file_t *config)␊ |
| 780 | {␊ |
| 781 | ␉int rfd, pfd, sfd, count, ret=-1, fixedsize;␊ |
| 782 | ␊ |
| 783 | ␉char *dirspec[] = {␊ |
| 784 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 785 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 786 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊ |
| 787 | ␉};␊ |
| 788 | ␊ |
| 789 | ␉// This is a simple rock - paper scissors algo. R beats S, P beats R, S beats P␊ |
| 790 | ␉// If all three, S is used for now. This should be changed to something else (say, timestamp?)␊ |
| 791 | ␊ |
| 792 | ␉pfd = open(dirspec[0], 0);␊ |
| 793 | ␉if(pfd >= 0)␉// com.apple.boot.P exists␊ |
| 794 | ␉{␊ |
| 795 | ␊ |
| 796 | ␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S takes precidence if it also exists␊ |
| 797 | ␉␉if(sfd >= 0)␊ |
| 798 | ␉␉{␊ |
| 799 | ␉␉␉// Use sfd␊ |
| 800 | ␉␉␉fixedsize = MIN(file_size(sfd), IO_CONFIG_DATA_SIZE);␊ |
| 801 | ␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
| 802 | ␉␉␉close(sfd);␊ |
| 803 | ␉␉␉close(pfd);␊ |
| 804 | ␉␉␉if (count != fixedsize) return -1;␊ |
| 805 | ␊ |
| 806 | ␉␉␉// build xml dictionary␊ |
| 807 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 808 | ␉␉␉sysConfigValid = true;␊ |
| 809 | ␉␉␉ret=0;␊ |
| 810 | ␊ |
| 811 | ␉␉}␊ |
| 812 | ␉␉else␊ |
| 813 | ␉␉{␊ |
| 814 | ␉␉␉// used pfd␊ |
| 815 | ␉␉␉fixedsize = MIN(file_size(pfd), IO_CONFIG_DATA_SIZE);␊ |
| 816 | ␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
| 817 | ␉␉␉close(pfd);␊ |
| 818 | ␉␉␉if (count != fixedsize) return -1;␊ |
| 819 | ␊ |
| 820 | ␉␉␉// build xml dictionary␊ |
| 821 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 822 | ␉␉␉sysConfigValid = true;␊ |
| 823 | ␉␉␉ret = 0;␊ |
| 824 | ␉␉}␊ |
| 825 | ␊ |
| 826 | ␉}␊ |
| 827 | ␉else␊ |
| 828 | ␉{␊ |
| 829 | ␉␉rfd = open(dirspec[1], 0); // com.apple.boot.R exists␊ |
| 830 | ␉␉if(rfd >= 0)␊ |
| 831 | ␉␉{␊ |
| 832 | ␉␉␉pfd = open(dirspec[2], 0); // com.apple.boot.P takes recidence if it exists␊ |
| 833 | ␉␉␉if(pfd >= 0)␊ |
| 834 | ␉␉␉{␊ |
| 835 | ␉␉␉␉// use sfd␊ |
| 836 | ␉␉␉␉fixedsize = MIN(file_size(pfd), IO_CONFIG_DATA_SIZE);␊ |
| 837 | ␉␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
| 838 | ␉␉␉␉close(pfd);␊ |
| 839 | ␉␉␉␉close(rfd);␊ |
| 840 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 841 | ␊ |
| 842 | ␉␉␉␉// build xml dictionary␊ |
| 843 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 844 | ␉␉␉␉sysConfigValid = true;␊ |
| 845 | ␉␉␉␉ret = 0;␊ |
| 846 | ␊ |
| 847 | ␉␉␉}␊ |
| 848 | ␉␉␉else␊ |
| 849 | ␉␉␉{␊ |
| 850 | ␉␉␉␉// use rfd␊ |
| 851 | ␉␉fixedsize = MIN(file_size(rfd), IO_CONFIG_DATA_SIZE);␊ |
| 852 | ␉␉␉␉count = read(rfd, config->plist, fixedsize);␊ |
| 853 | ␉␉␉␉close(rfd);␊ |
| 854 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 855 | ␉␉␉␉␊ |
| 856 | ␉␉␉␉// build xml dictionary␊ |
| 857 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 858 | ␉␉␉␉sysConfigValid = true;␊ |
| 859 | ␉␉␉␉ret = 0;␊ |
| 860 | ␊ |
| 861 | ␉␉␉}␊ |
| 862 | ␊ |
| 863 | ␉␉}␊ |
| 864 | ␉␉else␊ |
| 865 | ␉␉{␊ |
| 866 | ␉␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S exists, but nothing else does␊ |
| 867 | ␉␉␉if(sfd >= 0)␊ |
| 868 | ␉␉␉{␊ |
| 869 | ␉␉␉␉// use sfd␊ |
| 870 | ␉␉␉␉fixedsize = MIN(file_size(sfd), IO_CONFIG_DATA_SIZE);␊ |
| 871 | ␉␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
| 872 | ␉␉␉␉close(sfd);␊ |
| 873 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 874 | ␊ |
| 875 | ␉␉␉␉// build xml dictionary␊ |
| 876 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 877 | ␉␉␉␉sysConfigValid = true;␊ |
| 878 | ␉␉␉␉ret = 0;␊ |
| 879 | ␊ |
| 880 | ␉␉␉}␊ |
| 881 | ␉␉}␊ |
| 882 | ␊ |
| 883 | ␉}␊ |
| 884 | ␊ |
| 885 | ␉return ret;␊ |
| 886 | }␊ |
| 887 | ␊ |
| 888 | char *newString(const char *oldString)␊ |
| 889 | {␊ |
| 890 | ␉if ( oldString )␊ |
| 891 | ␉{␊ |
| 892 | ␉␉return strcpy(malloc(strlen(oldString)+1), oldString);␊ |
| 893 | ␉}␊ |
| 894 | ␉else␊ |
| 895 | ␉{␊ |
| 896 | ␉␉return NULL;␊ |
| 897 | ␉}␊ |
| 898 | }␊ |
| 899 | ␊ |
| 900 | /*␊ |
| 901 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
| 902 | */␊ |
| 903 | char *getNextArg(char **argPtr, char *val)␊ |
| 904 | {␊ |
| 905 | ␉char * ptr = *argPtr;␊ |
| 906 | ␉const char * strStart;␊ |
| 907 | ␉int len = 0;␊ |
| 908 | ␉bool isQuoted = false;␊ |
| 909 | ␊ |
| 910 | ␉*val = '\0';␊ |
| 911 | ␊ |
| 912 | ␉// Scan for the next non-whitespace character.␊ |
| 913 | ␉while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
| 914 | ␉{␊ |
| 915 | ␉␉ptr++;␊ |
| 916 | ␉}␊ |
| 917 | ␊ |
| 918 | ␉strStart = ptr;␊ |
| 919 | ␊ |
| 920 | ␉// Skip the leading double quote character.␊ |
| 921 | ␉if (*ptr == '\"')␊ |
| 922 | ␉{␊ |
| 923 | ␉␉isQuoted = true;␊ |
| 924 | ␉␉ptr++;␊ |
| 925 | ␉␉strStart++;␊ |
| 926 | ␉}␊ |
| 927 | ␊ |
| 928 | ␉// Scan for the argument terminator character.␊ |
| 929 | ␉// This can be either a NULL character - in case we reach the end of the string,␊ |
| 930 | ␉// a double quote in case of quoted argument,␊ |
| 931 | ␉// or a whitespace character (' ' or '=') for non-quoted argument.␊ |
| 932 | ␉while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
| 933 | (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
| 934 | ) {␊ |
| 935 | ␉␉ptr++;␊ |
| 936 | ␉}␊ |
| 937 | ␊ |
| 938 | ␉len = ptr - strStart;␊ |
| 939 | ␊ |
| 940 | ␉// Skip the closing double quote character and adjust␊ |
| 941 | ␉// the starting pointer for the next getNextArg call.␊ |
| 942 | ␉if (*ptr && isQuoted && *ptr == '\"') {␊ |
| 943 | ␉␉ptr++;␊ |
| 944 | ␉}␊ |
| 945 | ␊ |
| 946 | ␉// Copy the extracted argument to val.␊ |
| 947 | ␉strncat(val, strStart, len);␊ |
| 948 | ␊ |
| 949 | ␉// Set command line pointer.␊ |
| 950 | ␉*argPtr = ptr;␊ |
| 951 | ␊ |
| 952 | ␉return ptr;␊ |
| 953 | }␊ |
| 954 | |
