Root/
| Source at commit 655 created 13 years 4 months ago. By meklort, Modules update. removed hardcoding for dyld_stub_bunder in modules.c Added a subset of klibc for a more complete c library implimentation. Added a subset of uclibc++ for an initial c++ implimentation. Note: cout / cin / file io has been disabled. Also note that exceptions and rtti is disabled. Modified the helow world code foa small c++ test. | |
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| 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 "xml.h"␊ |
| 32 | ␊ |
| 33 | extern char *Language;␊ |
| 34 | extern char *LoadableFamilies;␊ |
| 35 | ␊ |
| 36 | bool sysConfigValid;␊ |
| 37 | ␊ |
| 38 | /*␊ |
| 39 | * Compare a string to a key with quoted characters␊ |
| 40 | */␊ |
| 41 | static inline int␊ |
| 42 | keyncmp(const char *str, const char *key, int n)␊ |
| 43 | {␊ |
| 44 | int c;␊ |
| 45 | while (n--) {␊ |
| 46 | ␉c = *key++;␊ |
| 47 | ␉if (c == '\\') {␊ |
| 48 | ␉ switch(c = *key++) {␊ |
| 49 | ␉ case 'n':␊ |
| 50 | ␉␉c = '\n';␊ |
| 51 | ␉␉break;␊ |
| 52 | ␉ case 'r':␊ |
| 53 | ␉␉c = '\r';␊ |
| 54 | ␉␉break;␊ |
| 55 | ␉ case 't':␊ |
| 56 | ␉␉c = '\t';␊ |
| 57 | ␉␉break;␊ |
| 58 | ␉ default:␊ |
| 59 | ␉␉break;␊ |
| 60 | ␉ }␊ |
| 61 | ␉} else if (c == '\"') {␊ |
| 62 | ␉ /* Premature end of key */␊ |
| 63 | ␉ return 1;␊ |
| 64 | ␉}␊ |
| 65 | ␉if (c != *str++) {␊ |
| 66 | ␉ return 1;␊ |
| 67 | ␉}␊ |
| 68 | }␊ |
| 69 | return 0;␊ |
| 70 | }␊ |
| 71 | ␊ |
| 72 | #if UNUSED␊ |
| 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 | ␊ |
| 93 | bool␊ |
| 94 | removeKeyFromTable(const char *key, char *table)␊ |
| 95 | {␊ |
| 96 | register int len;␊ |
| 97 | register char *tab;␊ |
| 98 | char *buf;␊ |
| 99 | ␊ |
| 100 | len = strlen(key);␊ |
| 101 | tab = (char *)table;␊ |
| 102 | buf = (char *)malloc(len + 3);␊ |
| 103 | ␊ |
| 104 | sprintf(buf, "\"%s\"", key);␊ |
| 105 | len = strlen(buf);␊ |
| 106 | ␊ |
| 107 | while(*tab) {␊ |
| 108 | if(strncmp(buf, tab, len) == 0) {␊ |
| 109 | char c;␊ |
| 110 | ␊ |
| 111 | while((c = *(tab + len)) != ';') {␊ |
| 112 | if(c == 0) {␊ |
| 113 | len = -1;␊ |
| 114 | goto out;␊ |
| 115 | }␊ |
| 116 | len++;␊ |
| 117 | }␊ |
| 118 | len++;␊ |
| 119 | if(*(tab + len) == '\n') len++;␊ |
| 120 | goto out;␊ |
| 121 | }␊ |
| 122 | tab++;␊ |
| 123 | }␊ |
| 124 | len = -1;␊ |
| 125 | out:␊ |
| 126 | free(buf);␊ |
| 127 | ␊ |
| 128 | if(len == -1) return false;␊ |
| 129 | ␊ |
| 130 | while((*tab = *(tab + len))) {␊ |
| 131 | tab++;␊ |
| 132 | }␊ |
| 133 | ␊ |
| 134 | return true;␊ |
| 135 | }␊ |
| 136 | ␊ |
| 137 | char *␊ |
| 138 | newStringFromList(␊ |
| 139 | char **list,␊ |
| 140 | int *size␊ |
| 141 | )␊ |
| 142 | {␊ |
| 143 | char *begin = *list, *end;␊ |
| 144 | char *newstr;␊ |
| 145 | int newsize = *size;␊ |
| 146 | int bufsize;␊ |
| 147 | ␊ |
| 148 | while (*begin && newsize && isspace(*begin)) {␊ |
| 149 | ␉begin++;␊ |
| 150 | ␉newsize--;␊ |
| 151 | }␊ |
| 152 | end = begin;␊ |
| 153 | while (*end && newsize && !isspace(*end)) {␊ |
| 154 | ␉end++;␊ |
| 155 | ␉newsize--;␊ |
| 156 | }␊ |
| 157 | if (begin == end)␊ |
| 158 | ␉return 0;␊ |
| 159 | bufsize = end - begin + 1;␊ |
| 160 | newstr = malloc(bufsize);␊ |
| 161 | strlcpy(newstr, begin, bufsize);␊ |
| 162 | *list = end;␊ |
| 163 | *size = newsize;␊ |
| 164 | return newstr;␊ |
| 165 | }␊ |
| 166 | ␊ |
| 167 | #endif␊ |
| 168 | ␊ |
| 169 | /* ␊ |
| 170 | * compress == compress escaped characters to one character␊ |
| 171 | */␊ |
| 172 | int stringLength(const char *table, int compress)␊ |
| 173 | {␊ |
| 174 | ␉int ret = 0;␊ |
| 175 | ␊ |
| 176 | ␉while (*table)␊ |
| 177 | ␉{␊ |
| 178 | ␉␉if (*table == '\\')␊ |
| 179 | ␉␉{␊ |
| 180 | ␉␉␉table += 2;␊ |
| 181 | ␉␉␉ret += 1 + (compress ? 0 : 1);␊ |
| 182 | ␉␉}␊ |
| 183 | ␉␉else␊ |
| 184 | ␉␉{␊ |
| 185 | ␉␉␉if (*table == '\"') return ret;␊ |
| 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",␊ |
| 203 | ␉␉␉␉␉ key);␊ |
| 204 | ␉␉␉␉return false;␊ |
| 205 | ␉␉␉}␊ |
| 206 | ␉␉␉*val = value->string;␊ |
| 207 | ␉␉␉*size = strlen(value->string);␊ |
| 208 | ␉␉␉return true;␊ |
| 209 | ␉␉}␊ |
| 210 | ␉} else {␊ |
| 211 | ␉␊ |
| 212 | ␉␉// Legacy plist-style table␊ |
| 213 | ␊ |
| 214 | ␉}␊ |
| 215 | ␊ |
| 216 | ␉return false;␊ |
| 217 | }␊ |
| 218 | ␊ |
| 219 | #if UNUSED␊ |
| 220 | ␊ |
| 221 | /*␊ |
| 222 | * Returns a new malloc'ed string if one is found␊ |
| 223 | * in the string table matching 'key'. Also translates␊ |
| 224 | * \n escapes in the string.␊ |
| 225 | */␊ |
| 226 | char *newStringForStringTableKey(␊ |
| 227 | ␉char *table,␊ |
| 228 | ␉char *key,␊ |
| 229 | ␉config_file_t *config␊ |
| 230 | )␊ |
| 231 | {␊ |
| 232 | const char *val;␊ |
| 233 | char *newstr, *p;␊ |
| 234 | int size;␊ |
| 235 | ␊ |
| 236 | if (getValueForConfigTableKey(config, key, &val, &size)) {␊ |
| 237 | ␉newstr = (char *)malloc(size+1);␊ |
| 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 *␊ |
| 267 | newStringForKey(char *key, config_file_t *config)␊ |
| 268 | {␊ |
| 269 | const char *val;␊ |
| 270 | char *newstr;␊ |
| 271 | int size;␊ |
| 272 | ␊ |
| 273 | if (getValueForKey(key, &val, &size, config) && size) {␊ |
| 274 | ␉newstr = (char *)malloc(size + 1);␊ |
| 275 | ␉strlcpy(newstr, val, size + 1);␊ |
| 276 | ␉return newstr;␊ |
| 277 | } else {␊ |
| 278 | ␉return 0;␊ |
| 279 | }␊ |
| 280 | }␊ |
| 281 | ␊ |
| 282 | /* parse a command line␊ |
| 283 | * in the form: [<argument> ...] [<option>=<value> ...]␊ |
| 284 | * both <option> and <value> must be either composed of␊ |
| 285 | * non-whitespace characters, or enclosed in quotes.␊ |
| 286 | */␊ |
| 287 | ␊ |
| 288 | static const char *getToken(const char *line, const char **begin, int *len)␊ |
| 289 | {␊ |
| 290 | if (*line == '\"') {␊ |
| 291 | ␉*begin = ++line;␊ |
| 292 | ␉while (*line && *line != '\"')␊ |
| 293 | ␉ line++;␊ |
| 294 | ␉*len = line++ - *begin;␊ |
| 295 | } else {␊ |
| 296 | ␉*begin = line;␊ |
| 297 | ␉while (*line && !isspace(*line) && *line != '=')␊ |
| 298 | ␉ line++;␊ |
| 299 | ␉*len = line - *begin;␊ |
| 300 | }␊ |
| 301 | return line;␊ |
| 302 | }␊ |
| 303 | ␊ |
| 304 | bool getValueForBootKey(const char *line, const char *match, const char **matchval, int *len)␊ |
| 305 | {␊ |
| 306 | const char *key, *value;␊ |
| 307 | int key_len, value_len;␊ |
| 308 | bool retval = false;␊ |
| 309 | ␊ |
| 310 | while (*line) {␊ |
| 311 | ␉/* look for keyword or argument */␊ |
| 312 | ␉while (isspace(*line)) line++;␊ |
| 313 | ␊ |
| 314 | ␉/* now look for '=' or whitespace */␊ |
| 315 | ␉line = getToken(line, &key, &key_len);␊ |
| 316 | ␉/* line now points to '=' or space */␊ |
| 317 | ␉if (*line && !isspace(*line)) {␊ |
| 318 | ␉ line = getToken(++line, &value, &value_len);␊ |
| 319 | ␉} else {␊ |
| 320 | ␉ value = line;␊ |
| 321 | ␉ value_len = 0;␊ |
| 322 | ␉}␊ |
| 323 | ␉if ((strlen(match) == key_len)␊ |
| 324 | ␉ && strncmp(match, key, key_len) == 0) {␊ |
| 325 | ␉ *matchval = value;␊ |
| 326 | ␉ *len = value_len;␊ |
| 327 | ␉ retval = true;␊ |
| 328 | /* Continue to look for this key; last one wins. */␊ |
| 329 | ␉}␊ |
| 330 | }␊ |
| 331 | return retval;␊ |
| 332 | }␊ |
| 333 | ␊ |
| 334 | /* Return NULL if no option has been successfully retrieved, or the string otherwise */␊ |
| 335 | const char * getStringForKey(const char * key, config_file_t *config)␊ |
| 336 | {␊ |
| 337 | static const char* value =0;␊ |
| 338 | int len=0;␊ |
| 339 | if(!getValueForKey(key, &value, &len, config)) value = 0;␊ |
| 340 | return value;␊ |
| 341 | }␊ |
| 342 | ␊ |
| 343 | ␊ |
| 344 | /* Returns TRUE if a value was found, FALSE otherwise.␊ |
| 345 | * The boolean value of the key is stored in 'val'.␊ |
| 346 | */␊ |
| 347 | ␊ |
| 348 | bool getBoolForKey( const char *key, bool *result_val, config_file_t *config )␊ |
| 349 | {␊ |
| 350 | const char *key_val;␊ |
| 351 | int size;␊ |
| 352 | if (getValueForKey(key, &key_val, &size, config))␊ |
| 353 | ␉{␊ |
| 354 | if ( (size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y') )␊ |
| 355 | ␉␉{␊ |
| 356 | *result_val = true;␊ |
| 357 | } else␊ |
| 358 | ␉␉{␊ |
| 359 | *result_val = false;␊ |
| 360 | }␊ |
| 361 | return true;␊ |
| 362 | }␊ |
| 363 | return false;␊ |
| 364 | }␊ |
| 365 | ␊ |
| 366 | bool getIntForKey( const char *key, int *value, config_file_t *config )␊ |
| 367 | {␊ |
| 368 | const char *val;␊ |
| 369 | int size, sum;␊ |
| 370 | bool negative = false;␊ |
| 371 | ␊ |
| 372 | if (getValueForKey(key, &val, &size, config))␊ |
| 373 | ␉{␊ |
| 374 | ␉␉if ( size )␊ |
| 375 | ␉␉{␊ |
| 376 | ␉␉␉if (*val == '-')␊ |
| 377 | ␉␉␉{␊ |
| 378 | ␉␉␉␉negative = true;␊ |
| 379 | ␉␉␉␉val++;␊ |
| 380 | ␉␉␉␉size--;␊ |
| 381 | ␉␉␉}␊ |
| 382 | ␉␉␉␊ |
| 383 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 384 | ␉␉␉{␊ |
| 385 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 386 | ␉␉␉␉␉return false;␊ |
| 387 | ␉␉␉␉␊ |
| 388 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 389 | ␉␉␉}␊ |
| 390 | ␉␉␉␊ |
| 391 | ␉␉␉if (negative)␊ |
| 392 | ␉␉␉␉sum = -sum;␊ |
| 393 | ␉␉␉␊ |
| 394 | ␉␉␉*value = sum;␊ |
| 395 | ␉␉␉return true;␊ |
| 396 | ␉␉}␊ |
| 397 | ␉}␊ |
| 398 | return false;␊ |
| 399 | }␊ |
| 400 | ␊ |
| 401 | /*␊ |
| 402 | *␊ |
| 403 | */␊ |
| 404 | ␊ |
| 405 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
| 406 | {␊ |
| 407 | ␉const char *val;␊ |
| 408 | ␉␊ |
| 409 | int size = 0;␊ |
| 410 | ␉int sum = 0;␊ |
| 411 | ␊ |
| 412 | ␉bool negative = false;␊ |
| 413 | ␉bool percentage = false;␊ |
| 414 | ␉␊ |
| 415 | if (getValueForKey(key, &val, &size, config))␊ |
| 416 | ␉{␊ |
| 417 | ␉␉if ( size )␊ |
| 418 | ␉␉{␊ |
| 419 | ␉␉␉if (*val == '-')␊ |
| 420 | ␉␉␉{␊ |
| 421 | ␉␉␉␉negative = true;␊ |
| 422 | ␉␉␉␉val++;␊ |
| 423 | ␉␉␉␉size--;␊ |
| 424 | ␉␉␉}␊ |
| 425 | ␉␉␉␊ |
| 426 | ␉␉␉if (val[size-1] == '%')␊ |
| 427 | ␉␉␉{␊ |
| 428 | ␉␉␉␉percentage = true;␊ |
| 429 | ␉␉␉␉size--;␊ |
| 430 | ␉␉␉}␊ |
| 431 | ␉␉␉␊ |
| 432 | ␉␉␉// convert string to integer␊ |
| 433 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
| 434 | ␉␉␉{␊ |
| 435 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
| 436 | ␉␉␉␉␉return false;␊ |
| 437 | ␉␉␉␉␊ |
| 438 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
| 439 | ␉␉␉}␊ |
| 440 | ␉␉␉␊ |
| 441 | ␉␉␉if (percentage)␊ |
| 442 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
| 443 | ␉␉␉␊ |
| 444 | ␉␉␉// calculate offset from opposite origin␊ |
| 445 | ␉␉␉if (negative)␊ |
| 446 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
| 447 | ␉␉␉␊ |
| 448 | ␉␉} else {␊ |
| 449 | ␉␉␉␊ |
| 450 | ␉␉␉// null value calculate center␊ |
| 451 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
| 452 | ␉␉␉␊ |
| 453 | ␉␉}␊ |
| 454 | ␉␉␊ |
| 455 | ␉␉*value = (uint16_t) sum;␊ |
| 456 | ␉␉return true;␊ |
| 457 | ␉}␊ |
| 458 | ␉␊ |
| 459 | ␉// key not found␊ |
| 460 | return false;␊ |
| 461 | }␊ |
| 462 | ␊ |
| 463 | /*␊ |
| 464 | *␉get color value from plist format #RRGGBB␊ |
| 465 | */␊ |
| 466 | ␊ |
| 467 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
| 468 | {␊ |
| 469 | const char *val;␊ |
| 470 | int size;␊ |
| 471 | ␊ |
| 472 | if (getValueForKey(key, &val, &size, config))␊ |
| 473 | ␉{␊ |
| 474 | ␉␉if (*val == '#')␊ |
| 475 | ␉␉{␊ |
| 476 | val++;␊ |
| 477 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
| 478 | ␉␉␉return true;␊ |
| 479 | }␊ |
| 480 | }␊ |
| 481 | return false;␊ |
| 482 | }␊ |
| 483 | ␊ |
| 484 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
| 485 | {␊ |
| 486 | const char *overrideVal;␊ |
| 487 | int overrideSize;␊ |
| 488 | bool override, ret;␊ |
| 489 | ␊ |
| 490 | if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
| 491 | return true;␊ |
| 492 | ␊ |
| 493 | ret = getValueForConfigTableKey(config, key, val, size);␊ |
| 494 | ␊ |
| 495 | // Try to find alternate keys in bootInfo->overrideConfig␊ |
| 496 | // and prefer its values with the exceptions for␊ |
| 497 | // "Kernel"="mach_kernel" and "Kernel Flags"="".␊ |
| 498 | ␊ |
| 499 | if (config->canOverride)␊ |
| 500 | {␊ |
| 501 | if (getValueForConfigTableKey(&bootInfo->overrideConfig, key, &overrideVal, &overrideSize))␊ |
| 502 | {␊ |
| 503 | override = true;␊ |
| 504 | ␊ |
| 505 | if (ret && (strcmp(key, "Kernel") == 0) && (strcmp(overrideVal, "mach_kernel") == 0))␊ |
| 506 | override = false;␊ |
| 507 | ␊ |
| 508 | if (ret && (strcmp(key, "Kernel Flags") == 0) && (overrideSize == 0))␊ |
| 509 | override = false;␊ |
| 510 | ␊ |
| 511 | if (override)␊ |
| 512 | {␊ |
| 513 | *val = overrideVal;␊ |
| 514 | *size = overrideSize;␊ |
| 515 | return true;␊ |
| 516 | }␊ |
| 517 | }␊ |
| 518 | }␊ |
| 519 | ␊ |
| 520 | return ret;␊ |
| 521 | }␊ |
| 522 | ␊ |
| 523 | ␊ |
| 524 | #if UNUSED␊ |
| 525 | void␊ |
| 526 | printSystemConfig(char *p1)␊ |
| 527 | {␊ |
| 528 | char *p2 = p1, tmp;␊ |
| 529 | ␊ |
| 530 | while (*p1 != '\0') {␊ |
| 531 | ␉while (*p2 != '\0' && *p2 != '\n') p2++;␊ |
| 532 | ␉tmp = *p2;␊ |
| 533 | ␉*p2 = '\0';␊ |
| 534 | ␉printf("%s\n", p1);␊ |
| 535 | ␉*p2 = tmp;␊ |
| 536 | ␉if (tmp == '\0') break;␊ |
| 537 | ␉p1 = ++p2;␊ |
| 538 | }␊ |
| 539 | }␊ |
| 540 | #endif␊ |
| 541 | ␊ |
| 542 | //==========================================================================␊ |
| 543 | // ParseXMLFile␊ |
| 544 | // Modifies the input buffer.␊ |
| 545 | // Expects to see one dictionary in the XML file.␊ |
| 546 | // Puts the first dictionary it finds in the␊ |
| 547 | // tag pointer and returns 0, or returns -1 if not found␊ |
| 548 | // (and does not modify dict pointer).␊ |
| 549 | // Prints an error message if there is a parsing error.␊ |
| 550 | //␊ |
| 551 | int ParseXMLFile( char * buffer, TagPtr * dict )␊ |
| 552 | {␊ |
| 553 | long length, pos;␊ |
| 554 | TagPtr tag;␊ |
| 555 | pos = 0;␊ |
| 556 | char *configBuffer;␊ |
| 557 | ␊ |
| 558 | configBuffer = malloc(strlen(buffer)+1);␊ |
| 559 | strcpy(configBuffer, buffer);␊ |
| 560 | ␊ |
| 561 | while (1)␊ |
| 562 | {␊ |
| 563 | length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
| 564 | if (length == -1) break;␊ |
| 565 | ␊ |
| 566 | pos += length;␊ |
| 567 | ␊ |
| 568 | if (tag == 0) continue;␊ |
| 569 | if (tag->type == kTagTypeDict) break;␊ |
| 570 | ␊ |
| 571 | XMLFreeTag(tag);␊ |
| 572 | }␊ |
| 573 | free(configBuffer);␊ |
| 574 | if (length < 0) {␊ |
| 575 | error ("Error parsing plist file\n");␊ |
| 576 | return -1;␊ |
| 577 | }␊ |
| 578 | *dict = tag;␊ |
| 579 | return 0;␊ |
| 580 | }␊ |
| 581 | ␊ |
| 582 | /* loadConfigFile␊ |
| 583 | *␊ |
| 584 | * Returns 0 - successful.␊ |
| 585 | *␉␉ -1 - unsuccesful.␊ |
| 586 | */␊ |
| 587 | int loadConfigFile (const char *configFile, config_file_t *config)␊ |
| 588 | {␊ |
| 589 | ␉int fd, count;␊ |
| 590 | ␊ |
| 591 | ␉/*if ((fd = open_bvdev("bt(0,0)", configFile, 0)) < 0) {␊ |
| 592 | ␉␉return -1;␊ |
| 593 | ␉}*/␊ |
| 594 | ␉␊ |
| 595 | ␉if ((fd = open(configFile, 0)) < 0) {␊ |
| 596 | ␉␉return -1;␊ |
| 597 | ␉}␊ |
| 598 | ␉␊ |
| 599 | ␉// read file␊ |
| 600 | ␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 601 | ␉close(fd);␊ |
| 602 | ␉␊ |
| 603 | ␉// build xml dictionary␊ |
| 604 | ␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 605 | ␉return 0;␊ |
| 606 | }␊ |
| 607 | ␊ |
| 608 | ␊ |
| 609 | /* loadSystemConfig␊ |
| 610 | *␊ |
| 611 | * Returns 0 - successful.␊ |
| 612 | *␉␉ -1 - unsuccesful.␊ |
| 613 | */␊ |
| 614 | int loadSystemConfig(config_file_t *config)␊ |
| 615 | {␊ |
| 616 | ␉char *dirspec[] = {␊ |
| 617 | ␉␉"/Extra/com.apple.Boot.plist",␊ |
| 618 | ␉␉"bt(0,0)/Extra/com.apple.Boot.plist",␊ |
| 619 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 620 | ␉};␊ |
| 621 | ␊ |
| 622 | ␉int i, fd, count, ret=-1;␊ |
| 623 | ␊ |
| 624 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 625 | ␉{␊ |
| 626 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
| 627 | ␉␉{␊ |
| 628 | ␉␉␉// read file␊ |
| 629 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 630 | ␉␉␉close(fd);␊ |
| 631 | ␉␉␉␊ |
| 632 | ␉␉␉// build xml dictionary␊ |
| 633 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 634 | ␉␉␉sysConfigValid = true;␉␊ |
| 635 | ␉␉␉ret=0;␊ |
| 636 | ␉␉␉␊ |
| 637 | ␉␉␉// enable canOverride flag␊ |
| 638 | ␉␉␉config->canOverride = true;␊ |
| 639 | ␊ |
| 640 | ␉␉␉break;␊ |
| 641 | ␉␉}␊ |
| 642 | ␉}␊ |
| 643 | ␉if(ret == -1)␊ |
| 644 | ␉{␊ |
| 645 | ␉␉ret = loadHelperConfig(config);␊ |
| 646 | ␉}␊ |
| 647 | ␉␊ |
| 648 | ␉return ret;␊ |
| 649 | }␊ |
| 650 | ␊ |
| 651 | /* loadOverrideConfig␊ |
| 652 | *␊ |
| 653 | * Returns 0 - successful.␊ |
| 654 | *␉␉ -1 - unsuccesful.␊ |
| 655 | */␊ |
| 656 | int loadOverrideConfig(config_file_t *config)␊ |
| 657 | {␊ |
| 658 | ␉char *dirspec[] = {␊ |
| 659 | ␉␉"rd(0,0)/Extra/com.apple.Boot.plist",␊ |
| 660 | ␉␉"/Extra/com.apple.Boot.plist",␊ |
| 661 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 662 | ␉};␊ |
| 663 | ␊ |
| 664 | ␉int i, fd, count, ret=-1;␊ |
| 665 | ␊ |
| 666 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
| 667 | ␉{␊ |
| 668 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
| 669 | ␉␉{␊ |
| 670 | ␉␉␉// read file␊ |
| 671 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 672 | ␉␉␉close(fd);␊ |
| 673 | ␉␉␉␊ |
| 674 | ␉␉␉// build xml dictionary␊ |
| 675 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 676 | ␉␉␉sysConfigValid = true;␉␊ |
| 677 | ␉␉␉ret=0;␊ |
| 678 | ␉␉␉break;␊ |
| 679 | ␉␉}␊ |
| 680 | ␉}␊ |
| 681 | ␉␊ |
| 682 | ␉if(ret == -1)␊ |
| 683 | ␉{␊ |
| 684 | ␉␉ret = loadHelperConfig(config);␊ |
| 685 | ␉}␊ |
| 686 | ␉return ret;␊ |
| 687 | }␊ |
| 688 | ␊ |
| 689 | /* loadHelperConfig␊ |
| 690 | *␊ |
| 691 | * Returns 0 - successful.␊ |
| 692 | *␉␉ -1 - unsuccesful.␊ |
| 693 | */␊ |
| 694 | int loadHelperConfig(config_file_t *config)␊ |
| 695 | {␊ |
| 696 | ␉int rfd, pfd, sfd, count, ret=-1;␊ |
| 697 | ␊ |
| 698 | ␉char *dirspec[] = {␊ |
| 699 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 700 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
| 701 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊ |
| 702 | ␉};␊ |
| 703 | ␉␊ |
| 704 | ␉// This is a simple rock - paper scissors algo. R beats S, P beats R, S beats P␊ |
| 705 | ␉// If all three, S is used for now. This should be change dto something else (say, timestamp?)␊ |
| 706 | ␉␊ |
| 707 | ␉pfd = open(dirspec[0], 0);␊ |
| 708 | ␉if(pfd >= 0)␉// com.apple.boot.P exists␊ |
| 709 | ␉{␊ |
| 710 | ␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S takes precidence if it also exists␊ |
| 711 | ␉␉if(sfd >= 0)␊ |
| 712 | ␉␉{␊ |
| 713 | ␉␉␉// Use sfd␊ |
| 714 | ␉␉␉count = read(sfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 715 | ␉␉␉close(sfd);␊ |
| 716 | ␉␉␉close(pfd);␊ |
| 717 | ␉␉␉␊ |
| 718 | ␉␉␉// build xml dictionary␊ |
| 719 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 720 | ␉␉␉sysConfigValid = true;␉␊ |
| 721 | ␉␉␉ret=0;␊ |
| 722 | ␉␉␉␊ |
| 723 | ␉␉}␊ |
| 724 | ␉␉else␊ |
| 725 | ␉␉{␊ |
| 726 | ␉␉␉// used pfd␊ |
| 727 | ␉␉␉count = read(pfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 728 | ␉␉␉close(pfd);␊ |
| 729 | ␉␉␉␊ |
| 730 | ␉␉␉// build xml dictionary␊ |
| 731 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 732 | ␉␉␉sysConfigValid = true;␉␊ |
| 733 | ␉␉␉ret=0;␊ |
| 734 | ␉␉}␊ |
| 735 | ␊ |
| 736 | ␉}␊ |
| 737 | ␉else␊ |
| 738 | ␉{␊ |
| 739 | ␉␉rfd = open(dirspec[1], 0); // com.apple.boot.R exists␊ |
| 740 | ␉␉if(rfd >= 0)␊ |
| 741 | ␉␉{␊ |
| 742 | ␉␉␉pfd = open(dirspec[2], 0); // com.apple.boot.P takes recidence if it exists␊ |
| 743 | ␉␉␉if(pfd >= 0)␊ |
| 744 | ␉␉␉{␊ |
| 745 | ␉␉␉␉// use sfd␊ |
| 746 | ␉␉␉␉count = read(pfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 747 | ␉␉␉␉close(pfd);␊ |
| 748 | ␉␉␉␉close(rfd);␊ |
| 749 | ␊ |
| 750 | ␉␉␉␉// build xml dictionary␊ |
| 751 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 752 | ␉␉␉␉sysConfigValid = true;␉␊ |
| 753 | ␉␉␉␉ret=0;␊ |
| 754 | ␉␉␉␉␊ |
| 755 | ␉␉␉}␊ |
| 756 | ␉␉␉else␊ |
| 757 | ␉␉␉{␊ |
| 758 | ␉␉␉␉// use rfd␊ |
| 759 | ␉␉␉␉count = read(rfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 760 | ␉␉␉␉close(rfd);␊ |
| 761 | ␉␉␉␉␊ |
| 762 | ␉␉␉␉// build xml dictionary␊ |
| 763 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 764 | ␉␉␉␉sysConfigValid = true;␉␊ |
| 765 | ␉␉␉␉ret=0;␊ |
| 766 | ␉␉␉␉␊ |
| 767 | ␉␉␉}␊ |
| 768 | ␊ |
| 769 | ␉␉}␊ |
| 770 | ␉␉else␊ |
| 771 | ␉␉{␊ |
| 772 | ␉␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S exists, but nothing else does␊ |
| 773 | ␉␉␉if(sfd >= 0)␊ |
| 774 | ␉␉␉{␊ |
| 775 | ␉␉␉␉// use sfd␊ |
| 776 | ␉␉␉␉count = read(sfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
| 777 | ␉␉␉␉close(sfd);␊ |
| 778 | ␉␉␉␉␊ |
| 779 | ␉␉␉␉// build xml dictionary␊ |
| 780 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
| 781 | ␉␉␉␉sysConfigValid = true;␉␊ |
| 782 | ␉␉␉␉ret=0;␊ |
| 783 | ␉␉␉␉␊ |
| 784 | ␉␉␉}␊ |
| 785 | ␉␉}␊ |
| 786 | ␊ |
| 787 | ␉}␊ |
| 788 | ␊ |
| 789 | ␉return ret;␊ |
| 790 | }␊ |
| 791 | ␊ |
| 792 | char * newString(const char * oldString)␊ |
| 793 | {␊ |
| 794 | if ( oldString )␊ |
| 795 | return strcpy(malloc(strlen(oldString)+1), oldString);␊ |
| 796 | else␊ |
| 797 | return NULL;␊ |
| 798 | }␊ |
| 799 | ␊ |
| 800 | /*␊ |
| 801 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
| 802 | */␊ |
| 803 | char * getNextArg(char ** argPtr, char * val)␊ |
| 804 | {␊ |
| 805 | char * ptr = *argPtr;␊ |
| 806 | const char * strStart;␊ |
| 807 | int len = 0;␊ |
| 808 | bool isQuoted = false;␊ |
| 809 | ␊ |
| 810 | *val = '\0';␊ |
| 811 | ␊ |
| 812 | // Scan for the next non-whitespace character.␊ |
| 813 | while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
| 814 | {␊ |
| 815 | ptr++;␊ |
| 816 | }␊ |
| 817 | ␊ |
| 818 | strStart = ptr;␊ |
| 819 | ␊ |
| 820 | // Skip the leading double quote character.␊ |
| 821 | if (*ptr == '\"')␊ |
| 822 | {␊ |
| 823 | isQuoted = true;␊ |
| 824 | ptr++;␊ |
| 825 | strStart++;␊ |
| 826 | }␊ |
| 827 | ␊ |
| 828 | // Scan for the argument terminator character.␊ |
| 829 | // This can be either a NULL character - in case we reach the end of the string,␊ |
| 830 | // a double quote in case of quoted argument,␊ |
| 831 | // or a whitespace character (' ' or '=') for non-quoted argument.␊ |
| 832 | while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
| 833 | (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
| 834 | )␊ |
| 835 | {␊ |
| 836 | ptr++;␊ |
| 837 | }␊ |
| 838 | ␊ |
| 839 | len = ptr - strStart;␊ |
| 840 | ␊ |
| 841 | // Skip the closing double quote character and adjust␊ |
| 842 | // the starting pointer for the next getNextArg call.␊ |
| 843 | if (*ptr && isQuoted && *ptr == '\"')␊ |
| 844 | ptr++;␊ |
| 845 | ␊ |
| 846 | // Copy the extracted argument to val.␊ |
| 847 | strncat(val, strStart, len);␊ |
| 848 | ␊ |
| 849 | // Set command line pointer.␊ |
| 850 | *argPtr = ptr;␊ |
| 851 | ␊ |
| 852 | return ptr;␊ |
| 853 | }␊ |
| 854 | |
