| 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 | ␊ |
| 360 | /* Returns TRUE if a value was found, FALSE otherwise.␊ |
| 361 | * The boolean value of the key is stored in 'val'.␊ |
| 362 | */␊ |
| 363 | ␊ |
| 364 | bool getBoolForKey(const char *key, bool *result_val, config_file_t *config)␊ |
| 365 | {␊ |
| 366 | const char *key_val;␊ |
| 367 | int size;␊ |
| 368 | ␊ |
| 369 | ␉if (getValueForKey(key, &key_val, &size, config))␊ |
| 370 | ␉{␊ |
| 371 | ␉␉if ((size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y'))␊ |
| 372 | ␉␉{␊ |
| 373 | ␉␉␉*result_val = true;␊ |
| 374 | ␉␉}␊ |
| 375 | ␉␉else␊ |
| 376 | ␉␉{␊ |
| 377 | ␉␉␉*result_val = false;␊ |
| 378 | ␉␉}␊ |
| 379 | ␉␉return true;␊ |
| 380 | ␉}␊ |
| 381 | ␉return false;␊ |
| 382 | }␊ |
| 383 | ␊ |
| 384 | bool getIntForKey(const char *key, int *value, config_file_t *config)␊ |
| 385 | {␊ |
| 386 | ␉const char *val;␊ |
| 387 | ␉int size, sum;␊ |
| 388 | ␉bool negative = false;␊ |
| 389 | ␊ |
| 390 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 391 | ␉{␊ |
| 392 | ␉␉if (size)␊ |
| 393 | ␉␉{␊ |
| 394 | ␉␉␉if (*val == '-')␊ |
| 395 | ␉␉␉{␊ |
| 396 | ␉␉␉␉negative = true;␊ |
| 397 | ␉␉␉␉val++;␊ |
| 398 | ␉␉␉␉size--;␊ |
| 399 | ␉␉␉}␊ |
| 400 | ␉␉␉␊ |
| 401 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 402 | ␉␉␉{␊ |
| 403 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 404 | ␉␉␉␉{␊ |
| 405 | ␉␉␉␉␉return false;␊ |
| 406 | ␉␉␉␉}␊ |
| 407 | ␉␉␉␉␊ |
| 408 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 409 | ␉␉␉}␊ |
| 410 | ␉␉␉␊ |
| 411 | ␉␉␉if (negative)␊ |
| 412 | ␉␉␉{␊ |
| 413 | ␉␉␉␉sum = -sum;␊ |
| 414 | ␉␉␉}␊ |
| 415 | ␉␉␉*value = sum;␊ |
| 416 | ␉␉␉return true;␊ |
| 417 | ␉␉}␊ |
| 418 | ␉}␊ |
| 419 | ␉return false;␊ |
| 420 | }␊ |
| 421 | /*␊ |
| 422 | *␊ |
| 423 | */␊ |
| 424 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
| 425 | {␊ |
| 426 | ␉const char *val;␊ |
| 427 | ␊ |
| 428 | ␉int size = 0;␊ |
| 429 | ␉int sum = 0;␊ |
| 430 | ␊ |
| 431 | ␉bool negative = false;␊ |
| 432 | ␉bool percentage = false;␊ |
| 433 | ␊ |
| 434 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 435 | ␉{␊ |
| 436 | ␉␉if ( size )␊ |
| 437 | ␉␉{␊ |
| 438 | ␉␉␉if (*val == '-')␊ |
| 439 | ␉␉␉{␊ |
| 440 | ␉␉␉␉negative = true;␊ |
| 441 | ␉␉␉␉val++;␊ |
| 442 | ␉␉␉␉size--;␊ |
| 443 | ␉␉␉}␊ |
| 444 | ␊ |
| 445 | ␉␉␉if (val[size-1] == '%')␊ |
| 446 | ␉␉␉{␊ |
| 447 | ␉␉␉␉percentage = true;␊ |
| 448 | ␉␉␉␉size--;␊ |
| 449 | ␉␉␉}␊ |
| 450 | ␊ |
| 451 | ␉␉␉// convert string to integer␊ |
| 452 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 453 | ␉␉␉{␊ |
| 454 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 455 | ␉␉␉␉{␊ |
| 456 | ␉␉␉␉␉return false;␊ |
| 457 | ␉␉␉␉}␊ |
| 458 | ␊ |
| 459 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 460 | ␉␉␉}␊ |
| 461 | ␊ |
| 462 | ␉␉␉if (percentage)␊ |
| 463 | ␉␉␉{␊ |
| 464 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
| 465 | ␉␉␉}␊ |
| 466 | ␊ |
| 467 | ␉␉␉// calculate offset from opposite origin␊ |
| 468 | ␉␉␉if (negative)␊ |
| 469 | ␉␉␉{␊ |
| 470 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
| 471 | ␉␉␉}␊ |
| 472 | ␊ |
| 473 | ␉␉}␊ |
| 474 | ␉␉else␊ |
| 475 | ␉␉{␊ |
| 476 | ␊ |
| 477 | ␉␉␉// null value calculate center␊ |
| 478 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
| 479 | ␊ |
| 480 | ␉␉}␊ |
| 481 | ␊ |
| 482 | ␉␉*value = (uint16_t) sum;␊ |
| 483 | ␉␉return true;␊ |
| 484 | ␉}␊ |
| 485 | ␊ |
| 486 | ␉// key not found␊ |
| 487 | ␉return false;␊ |
| 488 | }␊ |
| 489 | ␊ |
| 490 | /*␊ |
| 491 | *␉get color value from plist format #RRGGBB␊ |
| 492 | */␊ |
| 493 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
| 494 | {␊ |
| 495 | ␉const char *val;␊ |
| 496 | ␉int size;␊ |
| 497 | ␊ |
| 498 | ␉if (getValueForKey(key, &val, &size, config))␊ |
| 499 | ␉{␊ |
| 500 | ␉␉if (*val == '#') {␊ |
| 501 | ␉␉␉val++;␊ |
| 502 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
| 503 | ␉␉␉return true;␊ |
| 504 | ␉␉}␊ |
| 505 | ␉}␊ |
| 506 | ␉return false;␊ |
| 507 | }␊ |
| 508 | ␊ |
| 509 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
| 510 | {␊ |
| 511 | ␉const char *overrideVal;␊ |
| 512 | ␉int overrideSize;␊ |
| 513 | ␉bool override, ret;␊ |
| 514 | ␊ |
| 515 | ␉if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
| 516 | ␉{␊ |
| 517 | ␉␉return true;␊ |
| 518 | ␉}␊ |
| 519 | ␊ |
| 520 | ␉ret = getValueForConfigTableKey(config, key, val, size);␊ |
| 521 | ␊ |
| 522 | ␉// Try to find alternate keys in bootInfo->chameleonConfig (if config can be overriden)␊ |
| 523 | ␉// and prefer its values with the exceptions for␊ |
| 524 | ␉// "Kernel"="mach_kernel" and "Kernel Flags"="".␊ |
| 525 | ␊ |
| 526 | ␉if (config->canOverride)␊ |
| 527 | ␉{␊ |
| 528 | ␉␉if (getValueForConfigTableKey(&bootInfo->chameleonConfig, key, &overrideVal, &overrideSize))␊ |
| 529 | ␉␉{␊ |
| 530 | ␉␉␉override = true;␊ |
| 531 | ␊ |
| 532 | ␉␉␉// NOTE: Values are defined by apple as being in com.apple.Boot.plist␊ |
| 533 | ␉␉␉// kHelperRootUUIDKey, kKernelArchKey, kMKextCacheKey, kKernelCacheKey, kKernelNameKey, kKernelFlagsKey␊ |
| 534 | ␉␉␉if (ret && (strcmp(key, kKernelNameKey) == 0) && (overrideSize == 0))␊ |
| 535 | ␉␉␉{␊ |
| 536 | ␉␉␉␉override = false;␊ |
| 537 | ␉␉␉}␊ |
| 538 | ␊ |
| 539 | ␉␉␉if (ret && (strcmp(key, kKernelFlagsKey) == 0) && (overrideSize == 0))␊ |
| 540 | ␉␉␉{␊ |
| 541 | ␉␉␉␉override = false;␊ |
| 542 | ␉␉␉}␊ |
| 543 | ␊ |
| 544 | ␉␉␉if (override)␊ |
| 545 | ␉␉␉{␊ |
| 546 | ␉␉␉␉*val = overrideVal;␊ |
| 547 | ␉␉␉␉*size = overrideSize;␊ |
| 548 | ␉␉␉␉ret = true;␊ |
| 549 | ␉␉␉}␊ |
| 550 | ␉␉}␊ |
| 551 | ␉}␊ |
| 552 | ␉return ret;␊ |
| 553 | }␊ |
| 554 | ␊ |
| 555 | #if UNUSED␊ |
| 556 | void printSystemConfig(char *p1)␊ |
| 557 | {␊ |
| 558 | ␉char *p2 = p1, tmp;␊ |
| 559 | ␊ |
| 560 | ␉while (*p1 != '\0')␊ |
| 561 | ␉{␊ |
| 562 | ␉␉while (*p2 != '\0' && *p2 != '\n')␊ |
| 563 | ␉␉{␊ |
| 564 | ␉␉␉p2++;␊ |
| 565 | ␉␉}␊ |
| 566 | ␉tmp = *p2;␊ |
| 567 | ␉*p2 = '\0';␊ |
| 568 | ␉printf("%s\n", p1);␊ |
| 569 | ␉*p2 = tmp;␊ |
| 570 | ␉if (tmp == '\0')␊ |
| 571 | ␉{␊ |
| 572 | ␉␉break;␊ |
| 573 | ␉}␊ |
| 574 | ␉p1 = ++p2;␊ |
| 575 | }␊ |
| 576 | }␊ |
| 577 | #endif␊ |
| 578 | ␊ |
| 579 | //==========================================================================␊ |
| 580 | // ParseXMLFile␊ |
| 581 | // Modifies the input buffer.␊ |
| 582 | // Expects to see one dictionary in the XML file.␊ |
| 583 | // Puts the first dictionary it finds in the␊ |
| 584 | // tag pointer and returns 0, or returns -1 if not found␊ |
| 585 | // (and does not modify dict pointer).␊ |
| 586 | // Prints an error message if there is a parsing error.␊ |
| 587 | //␊ |
| 588 | int ParseXMLFile( char *buffer, TagPtr *dict )␊ |
| 589 | {␊ |
| 590 | ␉long length, pos;␊ |
| 591 | ␉TagPtr tag = 0;␊ |
| 592 | ␉pos = 0;␊ |
| 593 | ␉char *configBuffer;␊ |
| 594 | ␊ |
| 595 | ␉length = strlen(buffer) + 1;␊ |
| 596 | ␊ |
| 597 | ␉configBuffer = malloc(strlen(buffer)+1);␊ |
| 598 | ␉if (!configBuffer)␊ |
| 599 | ␉{␊ |
| 600 | ␉␉return -1;␊ |
| 601 | ␉}␊ |
| 602 | ␉strlcpy(configBuffer, buffer, length );␊ |
| 603 | ␊ |
| 604 | ␉while (1)␊ |
| 605 | ␉{␊ |
| 606 | ␉␉length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
| 607 | ␉␉␉if (length == -1)␊ |
| 608 | ␉␉␉{␊ |
| 609 | ␉␉␉␉break;␊ |
| 610 | ␉␉␉}␊ |
| 611 | ␊ |
| 612 | ␉␉pos += length;␊ |
| 613 | ␊ |
| 614 | ␉␉if (tag == 0)␊ |
| 615 | ␉␉{␊ |
| 616 | ␉␉␉continue;␊ |
| 617 | ␉␉}␊ |
| 618 | ␉␉if (tag->type == kTagTypeDict)␊ |
| 619 | ␉␉{␊ |
| 620 | ␉␉␉break;␊ |
| 621 | ␉␉}␊ |
| 622 | ␊ |
| 623 | ␉␉XMLFreeTag(tag);␊ |
| 624 | ␉}␊ |
| 625 | ␉free(configBuffer);␊ |
| 626 | ␉if (length < 0) {␊ |
| 627 | ␉␉error ("Error parsing plist file\n");␊ |
| 628 | ␉␉return -1;␊ |
| 629 | ␉}␊ |
| 630 | ␉*dict = tag;␊ |
| 631 | ␉return 0;␊ |
| 632 | }␊ |
| 633 | ␊ |
| 634 | /* loadConfigFile␊ |
| 635 | *␊ |
| 636 | * Returns 0 - successful.␊ |
| 637 | *␉␉ -1 - unsuccesful.␊ |
| 638 | */␊ |
| 639 | int loadConfigFile(const char *configFile, config_file_t *config)␊ |
| 640 | {␊ |
| 641 | ␉int fd, count;␊ |
| 642 | ␊ |
| 643 | ␉if ((fd = open_bvdev("bt(0,0)", configFile, 0)) < 0)␊ |
| 644 | ␉{␊ |
| 645 | ␉␉return -1;␊ |
| 646 | ␉}␊ |
| 647 | ␉// read file␊ |
| 648 | ␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 649 | ␉close(fd);␊ |
| 650 | ␊ |
| 651 | ␉// build xml dictionary␊ |
| 652 | ␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 653 | ␉return 0;␊ |
| 654 | }␊ |
| 655 | ␊ |
| 656 | /* loadSystemConfig␊ |
| 657 | *␊ |
| 658 | * Returns 0 - successful.␊ |
| 659 | *␉␉ -1 - unsuccesful.␊ |
| 660 | */␊ |
| 661 | int loadSystemConfig(config_file_t *config)␊ |
| 662 | {␊ |
| 663 | ␉char *dirspec[] = {␊ |
| 664 | ␉␉"/com.apple.recovery.boot/com.apple.Boot.plist",␉␉␉// OS X Recovery␊ |
| 665 | ␉␉"/OS X Install Data/com.apple.Boot.plist",␉␉␉␉// OS X Installer (10.8+)␊ |
| 666 | ␉␉"/Mac OS X Install Data/com.apple.Boot.plist",␉␉␉␉// OS X Installer (Lion 10.7)␊ |
| 667 | ␉␉//"/.IABootFiles/com.apple.Boot.plist",␉␉␉␉␉// OS X Installer␊ |
| 668 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␉␉// com.apple.Boot.plist␊ |
| 669 | ␉};␊ |
| 670 | ␊ |
| 671 | ␉int i, fd, count, ret=-1;␊ |
| 672 | ␊ |
| 673 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 674 | ␉{␊ |
| 675 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
| 676 | ␉␉{␊ |
| 677 | ␉␉␉// read file␊ |
| 678 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 679 | ␉␉␉close(fd);␊ |
| 680 | ␊ |
| 681 | ␉␉␉// build xml dictionary␊ |
| 682 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 683 | ␉␉␉sysConfigValid = true;␉␊ |
| 684 | ␉␉␉ret=0;␊ |
| 685 | ␊ |
| 686 | ␉␉␉break;␊ |
| 687 | ␉␉}␊ |
| 688 | ␉}␊ |
| 689 | ␊ |
| 690 | ␉if(ret == -1) ret = loadHelperConfig(config);␊ |
| 691 | ␊ |
| 692 | ␉// Always enable canOverride flag (for SystemConfig)␊ |
| 693 | ␉config->canOverride = true;␊ |
| 694 | ␊ |
| 695 | ␉return ret;␊ |
| 696 | }␊ |
| 697 | ␊ |
| 698 | /* loadChameleonConfig␊ |
| 699 | *␊ |
| 700 | * Returns 0 - successful.␊ |
| 701 | *␉␉ -1 - unsuccesful.␊ |
| 702 | */␊ |
| 703 | int loadChameleonConfig(config_file_t *config, BVRef chain)␊ |
| 704 | {␊ |
| 705 | ␉char *dirspec[] = {␊ |
| 706 | ␉␉"/Extra/org.chameleon.Boot.plist",␊ |
| 707 | ␉␉"/Extra/com.apple.Boot.plist", /* DEPRECIATED */␊ |
| 708 | ␉};␊ |
| 709 | ␊ |
| 710 | ␉int i;␊ |
| 711 | ␊ |
| 712 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 713 | ␉{␊ |
| 714 | ␉␉if ( loadChameleonConfigForDevice(config, "rd(0,0)", dirspec[i]) == 0 )␊ |
| 715 | ␉␉{␊ |
| 716 | ␉␉␉return 0;␊ |
| 717 | ␉␉}␊ |
| 718 | ␊ |
| 719 | ␉␉if ( loadChameleonConfigForDevice(config, "", dirspec[i]) == 0 )␊ |
| 720 | ␉␉{␊ |
| 721 | ␉␉␉return 0;␊ |
| 722 | ␉␉}␊ |
| 723 | ␊ |
| 724 | ␉␉if ( loadChameleonConfigForDevice(config, "bt(0,0)", dirspec[i]) == 0 )␊ |
| 725 | ␉␉{␊ |
| 726 | ␉␉␉return 0;␊ |
| 727 | ␉␉}␊ |
| 728 | ␉␉BVRef bvr;␊ |
| 729 | ␉␉for ( bvr = chain; bvr; bvr = bvr->next ) /* C99 Error */␊ |
| 730 | ␉␉{␊ |
| 731 | ␉␉␉char device[256];␊ |
| 732 | ␉␉␉getDeviceDescription(bvr, device);␊ |
| 733 | ␊ |
| 734 | ␉␉␉if ( loadChameleonConfigForDevice(config, device, dirspec[i]) == 0 )␊ |
| 735 | ␉␉␉{␊ |
| 736 | ␉␉␉␉return 0;␊ |
| 737 | ␉␉␉}␊ |
| 738 | ␉␉}␊ |
| 739 | ␉}␊ |
| 740 | ␉return -1;␊ |
| 741 | }␊ |
| 742 | ␊ |
| 743 | /* loadChameleonConfigForDevice␊ |
| 744 | *␊ |
| 745 | * Returns 0 - successful.␊ |
| 746 | *␉␉ -1 - unsuccesful.␊ |
| 747 | */␊ |
| 748 | int loadChameleonConfigForDevice(config_file_t *config, const char *device, const char *path)␊ |
| 749 | {␊ |
| 750 | ␉char full_path[1024];␊ |
| 751 | ␉int fd;␊ |
| 752 | ␊ |
| 753 | ␉snprintf(full_path, sizeof(full_path), "%s%s", device, path);␊ |
| 754 | ␊ |
| 755 | ␉if ((fd = open(full_path, 0)) >= 0)␊ |
| 756 | ␉{␊ |
| 757 | ␉␉// Check for depreciated file names and annoy the user about it.␊ |
| 758 | ␉␉if(strstr(full_path, "com.apple.Boot.plist")) {␊ |
| 759 | ␉␉␉printf("%s is depreciated.\n", full_path);␊ |
| 760 | ␉␉␉full_path[strlen(full_path) - strlen("com.apple.Boot.plist")] = 0;␊ |
| 761 | ␉␉␉printf("Please use the file %sorg.chameleon.Boot.plist instead.\n", full_path);␊ |
| 762 | ␉␉␉pause();␊ |
| 763 | ␉␉}␊ |
| 764 | ␉␉// read file␊ |
| 765 | ␉␉read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 766 | ␉␉close(fd);␊ |
| 767 | ␊ |
| 768 | ␉␉// build xml dictionary␊ |
| 769 | ␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 770 | ␉␉sysConfigValid = true;␊ |
| 771 | ␉␉return 0;␊ |
| 772 | ␉}␊ |
| 773 | ␉return -1;␊ |
| 774 | }␊ |
| 775 | ␊ |
| 776 | /* loadHelperConfig␊ |
| 777 | *␊ |
| 778 | * Returns 0 - successful.␊ |
| 779 | *␉␉ -1 - unsuccesful.␊ |
| 780 | */␊ |
| 781 | int loadHelperConfig(config_file_t *config)␊ |
| 782 | {␊ |
| 783 | ␉int rfd, pfd, sfd, count, ret=-1, fixedsize;␊ |
| 784 | ␊ |
| 785 | ␉char *dirspec[] = {␊ |
| 786 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 787 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 788 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊ |
| 789 | ␉};␊ |
| 790 | ␊ |
| 791 | ␉// This is a simple rock - paper scissors algo. R beats S, P beats R, S beats P␊ |
| 792 | ␉// If all three, S is used for now. This should be changed to something else (say, timestamp?)␊ |
| 793 | ␊ |
| 794 | ␉pfd = open(dirspec[0], 0);␊ |
| 795 | ␉if(pfd >= 0)␉// com.apple.boot.P exists␊ |
| 796 | ␉{␊ |
| 797 | ␊ |
| 798 | ␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S takes precidence if it also exists␊ |
| 799 | ␉␉if(sfd >= 0)␊ |
| 800 | ␉␉{␊ |
| 801 | ␉␉␉// Use sfd␊ |
| 802 | ␉␉␉fixedsize = MIN(file_size(sfd), IO_CONFIG_DATA_SIZE);␊ |
| 803 | ␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
| 804 | ␉␉␉close(sfd);␊ |
| 805 | ␉␉␉close(pfd);␊ |
| 806 | ␉␉␉if (count != fixedsize) return -1;␊ |
| 807 | ␊ |
| 808 | ␉␉␉// build xml dictionary␊ |
| 809 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 810 | ␉␉␉sysConfigValid = true;␊ |
| 811 | ␉␉␉ret=0;␊ |
| 812 | ␊ |
| 813 | ␉␉}␊ |
| 814 | ␉␉else␊ |
| 815 | ␉␉{␊ |
| 816 | ␉␉␉// used pfd␊ |
| 817 | ␉␉␉fixedsize = MIN(file_size(pfd), IO_CONFIG_DATA_SIZE);␊ |
| 818 | ␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
| 819 | ␉␉␉close(pfd);␊ |
| 820 | ␉␉␉if (count != fixedsize) return -1;␊ |
| 821 | ␊ |
| 822 | ␉␉␉// build xml dictionary␊ |
| 823 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 824 | ␉␉␉sysConfigValid = true;␊ |
| 825 | ␉␉␉ret = 0;␊ |
| 826 | ␉␉}␊ |
| 827 | ␊ |
| 828 | ␉}␊ |
| 829 | ␉else␊ |
| 830 | ␉{␊ |
| 831 | ␉␉rfd = open(dirspec[1], 0); // com.apple.boot.R exists␊ |
| 832 | ␉␉if(rfd >= 0)␊ |
| 833 | ␉␉{␊ |
| 834 | ␉␉␉pfd = open(dirspec[2], 0); // com.apple.boot.P takes recidence if it exists␊ |
| 835 | ␉␉␉if(pfd >= 0)␊ |
| 836 | ␉␉␉{␊ |
| 837 | ␉␉␉␉// use sfd␊ |
| 838 | ␉␉␉␉fixedsize = MIN(file_size(pfd), IO_CONFIG_DATA_SIZE);␊ |
| 839 | ␉␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
| 840 | ␉␉␉␉close(pfd);␊ |
| 841 | ␉␉␉␉close(rfd);␊ |
| 842 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 843 | ␊ |
| 844 | ␉␉␉␉// build xml dictionary␊ |
| 845 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 846 | ␉␉␉␉sysConfigValid = true;␊ |
| 847 | ␉␉␉␉ret = 0;␊ |
| 848 | ␊ |
| 849 | ␉␉␉}␊ |
| 850 | ␉␉␉else␊ |
| 851 | ␉␉␉{␊ |
| 852 | ␉␉␉␉// use rfd␊ |
| 853 | ␉␉fixedsize = MIN(file_size(rfd), IO_CONFIG_DATA_SIZE);␊ |
| 854 | ␉␉␉␉count = read(rfd, config->plist, fixedsize);␊ |
| 855 | ␉␉␉␉close(rfd);␊ |
| 856 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 857 | ␉␉␉␉␊ |
| 858 | ␉␉␉␉// build xml dictionary␊ |
| 859 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 860 | ␉␉␉␉sysConfigValid = true;␊ |
| 861 | ␉␉␉␉ret = 0;␊ |
| 862 | ␊ |
| 863 | ␉␉␉}␊ |
| 864 | ␊ |
| 865 | ␉␉}␊ |
| 866 | ␉␉else␊ |
| 867 | ␉␉{␊ |
| 868 | ␉␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S exists, but nothing else does␊ |
| 869 | ␉␉␉if(sfd >= 0)␊ |
| 870 | ␉␉␉{␊ |
| 871 | ␉␉␉␉// use sfd␊ |
| 872 | ␉␉␉␉fixedsize = MIN(file_size(sfd), IO_CONFIG_DATA_SIZE);␊ |
| 873 | ␉␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
| 874 | ␉␉␉␉close(sfd);␊ |
| 875 | ␉␉␉␉if (count != fixedsize) return -1;␊ |
| 876 | ␊ |
| 877 | ␉␉␉␉// build xml dictionary␊ |
| 878 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 879 | ␉␉␉␉sysConfigValid = true;␊ |
| 880 | ␉␉␉␉ret = 0;␊ |
| 881 | ␊ |
| 882 | ␉␉␉}␊ |
| 883 | ␉␉}␊ |
| 884 | ␊ |
| 885 | ␉}␊ |
| 886 | ␊ |
| 887 | ␉return ret;␊ |
| 888 | }␊ |
| 889 | ␊ |
| 890 | char *newString(const char *oldString)␊ |
| 891 | {␊ |
| 892 | ␉if ( oldString )␊ |
| 893 | ␉{␊ |
| 894 | ␉␉return strcpy(malloc(strlen(oldString)+1), oldString);␊ |
| 895 | ␉}␊ |
| 896 | ␉else␊ |
| 897 | ␉{␊ |
| 898 | ␉␉return NULL;␊ |
| 899 | ␉}␊ |
| 900 | }␊ |
| 901 | ␊ |
| 902 | /*␊ |
| 903 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
| 904 | */␊ |
| 905 | char *getNextArg(char **argPtr, char *val)␊ |
| 906 | {␊ |
| 907 | ␉char * ptr = *argPtr;␊ |
| 908 | ␉const char * strStart;␊ |
| 909 | ␉int len = 0;␊ |
| 910 | ␉bool isQuoted = false;␊ |
| 911 | ␊ |
| 912 | ␉*val = '\0';␊ |
| 913 | ␊ |
| 914 | ␉// Scan for the next non-whitespace character.␊ |
| 915 | ␉while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
| 916 | ␉{␊ |
| 917 | ␉␉ptr++;␊ |
| 918 | ␉}␊ |
| 919 | ␊ |
| 920 | ␉strStart = ptr;␊ |
| 921 | ␊ |
| 922 | ␉// Skip the leading double quote character.␊ |
| 923 | ␉if (*ptr == '\"')␊ |
| 924 | ␉{␊ |
| 925 | ␉␉isQuoted = true;␊ |
| 926 | ␉␉ptr++;␊ |
| 927 | ␉␉strStart++;␊ |
| 928 | ␉}␊ |
| 929 | ␊ |
| 930 | ␉// Scan for the argument terminator character.␊ |
| 931 | ␉// This can be either a NULL character - in case we reach the end of the string,␊ |
| 932 | ␉// a double quote in case of quoted argument,␊ |
| 933 | ␉// or a whitespace character (' ' or '=') for non-quoted argument.␊ |
| 934 | ␉while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
| 935 | (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
| 936 | ) {␊ |
| 937 | ␉␉ptr++;␊ |
| 938 | ␉}␊ |
| 939 | ␊ |
| 940 | ␉len = ptr - strStart;␊ |
| 941 | ␊ |
| 942 | ␉// Skip the closing double quote character and adjust␊ |
| 943 | ␉// the starting pointer for the next getNextArg call.␊ |
| 944 | ␉if (*ptr && isQuoted && *ptr == '\"') {␊ |
| 945 | ␉␉ptr++;␊ |
| 946 | ␉}␊ |
| 947 | ␊ |
| 948 | ␉// Copy the extracted argument to val.␊ |
| 949 | ␉strncat(val, strStart, len);␊ |
| 950 | ␊ |
| 951 | ␉// Set command line pointer.␊ |
| 952 | ␉*argPtr = ptr;␊ |
| 953 | ␊ |
| 954 | ␉return ptr;␊ |
| 955 | }␊ |
| 956 | |
