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 | |