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Source at commit 401 created 13 years 10 months ago. By azimutz, Same as rev 400. | |
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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 | ␊ |
353 | if (getValueForKey(key, &key_val, &size, config)) {␊ |
354 | if ( (size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y') ) {␊ |
355 | *result_val = true;␊ |
356 | } else {␊ |
357 | *result_val = false;␊ |
358 | }␊ |
359 | return true;␊ |
360 | }␊ |
361 | return false;␊ |
362 | }␊ |
363 | ␊ |
364 | bool getIntForKey( const char *key, int *value, config_file_t *config )␊ |
365 | {␊ |
366 | const char *val;␊ |
367 | int size, sum;␊ |
368 | bool negative = false;␊ |
369 | ␊ |
370 | if (getValueForKey(key, &val, &size, config))␊ |
371 | ␉{␊ |
372 | ␉␉if ( size )␊ |
373 | ␉␉{␊ |
374 | ␉␉␉if (*val == '-')␊ |
375 | ␉␉␉{␊ |
376 | ␉␉␉␉negative = true;␊ |
377 | ␉␉␉␉val++;␊ |
378 | ␉␉␉␉size--;␊ |
379 | ␉␉␉}␊ |
380 | ␉␉␉␊ |
381 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
382 | ␉␉␉{␊ |
383 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
384 | ␉␉␉␉␉return false;␊ |
385 | ␉␉␉␉␊ |
386 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
387 | ␉␉␉}␊ |
388 | ␉␉␉␊ |
389 | ␉␉␉if (negative)␊ |
390 | ␉␉␉␉sum = -sum;␊ |
391 | ␉␉␉␊ |
392 | ␉␉␉*value = sum;␊ |
393 | ␉␉␉return true;␊ |
394 | ␉␉}␊ |
395 | ␉}␊ |
396 | return false;␊ |
397 | }␊ |
398 | ␊ |
399 | /*␊ |
400 | *␊ |
401 | */␊ |
402 | ␊ |
403 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
404 | {␊ |
405 | ␉const char *val;␊ |
406 | ␉␊ |
407 | int size = 0;␊ |
408 | ␉int sum = 0;␊ |
409 | ␊ |
410 | ␉bool negative = false;␊ |
411 | ␉bool percentage = false;␊ |
412 | ␉␊ |
413 | if (getValueForKey(key, &val, &size, config))␊ |
414 | ␉{␊ |
415 | ␉␉if ( size )␊ |
416 | ␉␉{␊ |
417 | ␉␉␉if (*val == '-')␊ |
418 | ␉␉␉{␊ |
419 | ␉␉␉␉negative = true;␊ |
420 | ␉␉␉␉val++;␊ |
421 | ␉␉␉␉size--;␊ |
422 | ␉␉␉}␊ |
423 | ␉␉␉␊ |
424 | ␉␉␉if (val[size-1] == '%')␊ |
425 | ␉␉␉{␊ |
426 | ␉␉␉␉percentage = true;␊ |
427 | ␉␉␉␉size--;␊ |
428 | ␉␉␉}␊ |
429 | ␉␉␉␊ |
430 | ␉␉␉// convert string to integer␊ |
431 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
432 | ␉␉␉{␊ |
433 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
434 | ␉␉␉␉␉return false;␊ |
435 | ␉␉␉␉␊ |
436 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
437 | ␉␉␉}␊ |
438 | ␉␉␉␊ |
439 | ␉␉␉if (percentage)␊ |
440 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
441 | ␉␉␉␊ |
442 | ␉␉␉// calculate offset from opposite origin␊ |
443 | ␉␉␉if (negative)␊ |
444 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
445 | ␉␉␉␊ |
446 | ␉␉} else {␊ |
447 | ␉␉␉␊ |
448 | ␉␉␉// null value calculate center␊ |
449 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
450 | ␉␉␉␊ |
451 | ␉␉}␊ |
452 | ␉␉␊ |
453 | ␉␉*value = (uint16_t) sum;␊ |
454 | ␉␉return true;␊ |
455 | ␉}␊ |
456 | ␉␊ |
457 | ␉// key not found␊ |
458 | return false;␊ |
459 | }␊ |
460 | ␊ |
461 | /*␊ |
462 | *␉get color value from plist format #RRGGBB␊ |
463 | */␊ |
464 | ␊ |
465 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
466 | {␊ |
467 | const char *val;␊ |
468 | int size;␊ |
469 | ␊ |
470 | if (getValueForKey(key, &val, &size, config))␊ |
471 | ␉{␊ |
472 | ␉␉if (*val == '#')␊ |
473 | ␉␉{␊ |
474 | val++;␊ |
475 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
476 | ␉␉␉return true;␊ |
477 | }␊ |
478 | }␊ |
479 | return false;␊ |
480 | }␊ |
481 | ␊ |
482 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
483 | {␊ |
484 | const char *overrideVal;␊ |
485 | int overrideSize;␊ |
486 | bool override, ret;␊ |
487 | ␊ |
488 | if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
489 | return true;␊ |
490 | ␊ |
491 | ret = getValueForConfigTableKey(config, key, val, size);␊ |
492 | ␊ |
493 | // Try to find alternate keys in bootInfo->overrideConfig␊ |
494 | // and prefer its values with the exceptions for␊ |
495 | // "Kernel"="mach_kernel" and "Kernel Flags"="".␊ |
496 | ␊ |
497 | if (config->canOverride)␊ |
498 | {␊ |
499 | if (getValueForConfigTableKey(&bootInfo->overrideConfig, key, &overrideVal, &overrideSize))␊ |
500 | {␊ |
501 | override = true;␊ |
502 | ␊ |
503 | if (ret && (strcmp(key, "Kernel") == 0) && (strcmp(overrideVal, "mach_kernel") == 0))␊ |
504 | override = false;␊ |
505 | ␊ |
506 | if (ret && (strcmp(key, "Kernel Flags") == 0) && (overrideSize == 0))␊ |
507 | override = false;␊ |
508 | ␊ |
509 | if (override)␊ |
510 | {␊ |
511 | *val = overrideVal;␊ |
512 | *size = overrideSize;␊ |
513 | return true;␊ |
514 | }␊ |
515 | }␊ |
516 | }␊ |
517 | ␊ |
518 | return ret;␊ |
519 | }␊ |
520 | ␊ |
521 | ␊ |
522 | #if UNUSED␊ |
523 | void␊ |
524 | printSystemConfig(char *p1)␊ |
525 | {␊ |
526 | char *p2 = p1, tmp;␊ |
527 | ␊ |
528 | while (*p1 != '\0') {␊ |
529 | ␉while (*p2 != '\0' && *p2 != '\n') p2++;␊ |
530 | ␉tmp = *p2;␊ |
531 | ␉*p2 = '\0';␊ |
532 | ␉printf("%s\n", p1);␊ |
533 | ␉*p2 = tmp;␊ |
534 | ␉if (tmp == '\0') break;␊ |
535 | ␉p1 = ++p2;␊ |
536 | }␊ |
537 | }␊ |
538 | #endif␊ |
539 | ␊ |
540 | //==========================================================================␊ |
541 | // ParseXMLFile␊ |
542 | // Modifies the input buffer.␊ |
543 | // Expects to see one dictionary in the XML file.␊ |
544 | // Puts the first dictionary it finds in the␊ |
545 | // tag pointer and returns 0, or returns -1 if not found␊ |
546 | // (and does not modify dict pointer).␊ |
547 | // Prints an error message if there is a parsing error.␊ |
548 | //␊ |
549 | int ParseXMLFile( char * buffer, TagPtr * dict )␊ |
550 | {␊ |
551 | long length, pos;␊ |
552 | TagPtr tag;␊ |
553 | pos = 0;␊ |
554 | char *configBuffer;␊ |
555 | ␊ |
556 | configBuffer = malloc(strlen(buffer)+1);␊ |
557 | strcpy(configBuffer, buffer);␊ |
558 | ␊ |
559 | while (1)␊ |
560 | {␊ |
561 | length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
562 | if (length == -1) break;␊ |
563 | ␊ |
564 | pos += length;␊ |
565 | ␊ |
566 | if (tag == 0) continue;␊ |
567 | if (tag->type == kTagTypeDict) break;␊ |
568 | ␊ |
569 | XMLFreeTag(tag);␊ |
570 | }␊ |
571 | free(configBuffer);␊ |
572 | if (length < 0) {␊ |
573 | error ("Error parsing plist file\n");␊ |
574 | return -1;␊ |
575 | }␊ |
576 | *dict = tag;␊ |
577 | return 0;␊ |
578 | }␊ |
579 | ␊ |
580 | /* loadConfigFile␊ |
581 | *␊ |
582 | * Returns 0 - successful.␊ |
583 | *␉␉ -1 - unsuccesful.␊ |
584 | */␊ |
585 | int loadConfigFile (const char *configFile, config_file_t *config)␊ |
586 | {␊ |
587 | ␉int fd, count;␊ |
588 | ␊ |
589 | ␉if ((fd = open_bvdev("bt(0,0)", configFile, 0)) < 0) {␊ |
590 | ␉␉return -1;␊ |
591 | ␉}␊ |
592 | ␉// read file␊ |
593 | ␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
594 | ␉close(fd);␊ |
595 | ␉␊ |
596 | ␉// build xml dictionary␊ |
597 | ␉ParseXMLFile(config->plist, &config->dictionary);␊ |
598 | ␉return 0;␊ |
599 | }␊ |
600 | ␊ |
601 | ␊ |
602 | /* loadSystemConfig␊ |
603 | *␊ |
604 | * Returns 0 - successful.␊ |
605 | *␉␉ -1 - unsuccesful.␊ |
606 | */␊ |
607 | int loadSystemConfig(config_file_t *config)␊ |
608 | {␊ |
609 | ␉char *dirspec[] = {␊ |
610 | ␉␉"/Extra/com.apple.Boot.plist",␊ |
611 | ␉␉"bt(0,0)/Extra/com.apple.Boot.plist",␊ |
612 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
613 | ␉};␊ |
614 | ␊ |
615 | ␉int i, fd, count, ret=-1;␊ |
616 | ␊ |
617 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
618 | ␉{␊ |
619 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
620 | ␉␉{␊ |
621 | ␉␉␉// read file␊ |
622 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
623 | ␉␉␉close(fd);␊ |
624 | ␉␉␉␊ |
625 | ␉␉␉// build xml dictionary␊ |
626 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
627 | ␉␉␉sysConfigValid = true;␉␊ |
628 | ␉␉␉ret=0;␊ |
629 | ␉␉␉␊ |
630 | ␉␉␉// enable canOverride flag␊ |
631 | ␉␉␉config->canOverride = true;␊ |
632 | ␊ |
633 | ␉␉␉break;␊ |
634 | ␉␉}␊ |
635 | ␉}␊ |
636 | ␉if(ret == -1)␊ |
637 | ␉{␊ |
638 | ␉␉ret = loadHelperConfig(config);␊ |
639 | ␉}␊ |
640 | ␉␊ |
641 | ␉return ret;␊ |
642 | }␊ |
643 | ␊ |
644 | /* loadOverrideConfig␊ |
645 | *␊ |
646 | * Returns 0 - successful.␊ |
647 | *␉␉ -1 - unsuccesful.␊ |
648 | */␊ |
649 | int loadOverrideConfig(config_file_t *config)␊ |
650 | {␊ |
651 | ␉char *dirspec[] = {␊ |
652 | ␉␉"rd(0,0)/Extra/com.apple.Boot.plist",␊ |
653 | ␉␉"/Extra/com.apple.Boot.plist",␊ |
654 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
655 | ␉};␊ |
656 | ␊ |
657 | ␉int i, fd, count, ret=-1;␊ |
658 | ␊ |
659 | ␉for(i = 0; i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
660 | ␉{␊ |
661 | ␉␉if ((fd = open(dirspec[i], 0)) >= 0)␊ |
662 | ␉␉{␊ |
663 | ␉␉␉// read file␊ |
664 | ␉␉␉count = read(fd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
665 | ␉␉␉close(fd);␊ |
666 | ␉␉␉␊ |
667 | ␉␉␉// build xml dictionary␊ |
668 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
669 | ␉␉␉sysConfigValid = true;␉␊ |
670 | ␉␉␉ret=0;␊ |
671 | ␉␉␉break;␊ |
672 | ␉␉}␊ |
673 | ␉}␊ |
674 | ␉␊ |
675 | ␉if(ret == -1)␊ |
676 | ␉{␊ |
677 | ␉␉ret = loadHelperConfig(config);␊ |
678 | ␉}␊ |
679 | ␉return ret;␊ |
680 | }␊ |
681 | ␊ |
682 | /* loadHelperConfig␊ |
683 | *␊ |
684 | * Returns 0 - successful.␊ |
685 | *␉␉ -1 - unsuccesful.␊ |
686 | */␊ |
687 | int loadHelperConfig(config_file_t *config)␊ |
688 | {␊ |
689 | ␉int rfd, pfd, sfd, count, ret=-1;␊ |
690 | ␊ |
691 | ␉char *dirspec[] = {␊ |
692 | ␉␉"/com.apple.boot.P/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
693 | ␉␉"/com.apple.boot.R/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
694 | ␉␉"/com.apple.boot.S/Library/Preferences/SystemConfiguration/com.apple.Boot.plist"␊ |
695 | ␉};␊ |
696 | ␉␊ |
697 | ␉// This is a simple rock - paper scissors algo. R beats S, P beats R, S beats P␊ |
698 | ␉// If all three, S is used for now. This should be change dto something else (say, timestamp?)␊ |
699 | ␉␊ |
700 | ␉pfd = open(dirspec[0], 0);␊ |
701 | ␉if(pfd >= 0)␉// com.apple.boot.P exists␊ |
702 | ␉{␊ |
703 | ␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S takes precidence if it also exists␊ |
704 | ␉␉if(sfd >= 0)␊ |
705 | ␉␉{␊ |
706 | ␉␉␉// Use sfd␊ |
707 | ␉␉␉count = read(sfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
708 | ␉␉␉close(sfd);␊ |
709 | ␉␉␉close(pfd);␊ |
710 | ␉␉␉␊ |
711 | ␉␉␉// build xml dictionary␊ |
712 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
713 | ␉␉␉sysConfigValid = true;␉␊ |
714 | ␉␉␉ret=0;␊ |
715 | ␉␉␉␊ |
716 | ␉␉}␊ |
717 | ␉␉else␊ |
718 | ␉␉{␊ |
719 | ␉␉␉// used pfd␊ |
720 | ␉␉␉count = read(pfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
721 | ␉␉␉close(pfd);␊ |
722 | ␉␉␉␊ |
723 | ␉␉␉// build xml dictionary␊ |
724 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
725 | ␉␉␉sysConfigValid = true;␉␊ |
726 | ␉␉␉ret=0;␊ |
727 | ␉␉}␊ |
728 | ␊ |
729 | ␉}␊ |
730 | ␉else␊ |
731 | ␉{␊ |
732 | ␉␉rfd = open(dirspec[1], 0); // com.apple.boot.R exists␊ |
733 | ␉␉if(rfd >= 0)␊ |
734 | ␉␉{␊ |
735 | ␉␉␉pfd = open(dirspec[2], 0); // com.apple.boot.P takes recidence if it exists␊ |
736 | ␉␉␉if(pfd >= 0)␊ |
737 | ␉␉␉{␊ |
738 | ␉␉␉␉// use sfd␊ |
739 | ␉␉␉␉count = read(pfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
740 | ␉␉␉␉close(pfd);␊ |
741 | ␉␉␉␉close(rfd);␊ |
742 | ␊ |
743 | ␉␉␉␉// build xml dictionary␊ |
744 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
745 | ␉␉␉␉sysConfigValid = true;␉␊ |
746 | ␉␉␉␉ret=0;␊ |
747 | ␉␉␉␉␊ |
748 | ␉␉␉}␊ |
749 | ␉␉␉else␊ |
750 | ␉␉␉{␊ |
751 | ␉␉␉␉// use rfd␊ |
752 | ␉␉␉␉count = read(rfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
753 | ␉␉␉␉close(rfd);␊ |
754 | ␉␉␉␉␊ |
755 | ␉␉␉␉// build xml dictionary␊ |
756 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
757 | ␉␉␉␉sysConfigValid = true;␉␊ |
758 | ␉␉␉␉ret=0;␊ |
759 | ␉␉␉␉␊ |
760 | ␉␉␉}␊ |
761 | ␊ |
762 | ␉␉}␊ |
763 | ␉␉else␊ |
764 | ␉␉{␊ |
765 | ␉␉␉sfd = open(dirspec[2], 0); // com.apple.boot.S exists, but nothing else does␊ |
766 | ␉␉␉if(sfd >= 0)␊ |
767 | ␉␉␉{␊ |
768 | ␉␉␉␉// use sfd␊ |
769 | ␉␉␉␉count = read(sfd, config->plist, IO_CONFIG_DATA_SIZE);␊ |
770 | ␉␉␉␉close(sfd);␊ |
771 | ␉␉␉␉␊ |
772 | ␉␉␉␉// build xml dictionary␊ |
773 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
774 | ␉␉␉␉sysConfigValid = true;␉␊ |
775 | ␉␉␉␉ret=0;␊ |
776 | ␉␉␉␉␊ |
777 | ␉␉␉}␊ |
778 | ␉␉}␊ |
779 | ␊ |
780 | ␉}␊ |
781 | ␊ |
782 | ␉return ret;␊ |
783 | }␊ |
784 | ␊ |
785 | char * newString(const char * oldString)␊ |
786 | {␊ |
787 | if ( oldString )␊ |
788 | return strcpy(malloc(strlen(oldString)+1), oldString);␊ |
789 | else␊ |
790 | return NULL;␊ |
791 | }␊ |
792 | ␊ |
793 | /*␊ |
794 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
795 | */␊ |
796 | char * getNextArg(char ** argPtr, char * val)␊ |
797 | {␊ |
798 | char * ptr = *argPtr;␊ |
799 | const char * strStart;␊ |
800 | int len = 0;␊ |
801 | bool isQuoted = false;␊ |
802 | ␊ |
803 | *val = '\0';␊ |
804 | ␊ |
805 | // Scan for the next non-whitespace character.␊ |
806 | while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
807 | {␊ |
808 | ptr++;␊ |
809 | }␊ |
810 | ␊ |
811 | strStart = ptr;␊ |
812 | ␊ |
813 | // Skip the leading double quote character.␊ |
814 | if (*ptr == '\"')␊ |
815 | {␊ |
816 | isQuoted = true;␊ |
817 | ptr++;␊ |
818 | strStart++;␊ |
819 | }␊ |
820 | ␊ |
821 | // Scan for the argument terminator character.␊ |
822 | // This can be either a NULL character - in case we reach the end of the string,␊ |
823 | // a double quote in case of quoted argument,␊ |
824 | // or a whitespace character (' ' or '=') for non-quoted argument.␊ |
825 | while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
826 | (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
827 | )␊ |
828 | {␊ |
829 | ptr++;␊ |
830 | }␊ |
831 | ␊ |
832 | len = ptr - strStart;␊ |
833 | ␊ |
834 | // Skip the closing double quote character and adjust␊ |
835 | // the starting pointer for the next getNextArg call.␊ |
836 | if (*ptr && isQuoted && *ptr == '\"')␊ |
837 | ptr++;␊ |
838 | ␊ |
839 | // Copy the extracted argument to val.␊ |
840 | strncat(val, strStart, len);␊ |
841 | ␊ |
842 | // Set command line pointer.␊ |
843 | *argPtr = ptr;␊ |
844 | ␊ |
845 | return ptr;␊ |
846 | }␊ |
847 |