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 "libsaio.h"␊ |
30 | #include "bootstruct.h"␊ |
31 | #include "platform.h"␊ |
32 | #include "xml.h"␊ |
33 | ␊ |
34 | static char * AllocInitStringWithLength(const char * oldString, int len);␊ |
35 | static char * AllocInitZeroEndedStringWithLength(const char * oldString, int len);␊ |
36 | ␊ |
37 | #ifndef MIN␊ |
38 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
39 | #endif␊ |
40 | ␊ |
41 | #define ASSERT_CONFIG \␊ |
42 | if (config == DEFAULT_BOOT_CONFIG) \␊ |
43 | config = &bootInfo->bootConfig ; \␊ |
44 | else if (config == DEFAULT_SYSTEM_CONFIG) \␊ |
45 | config = &bootInfo->SystemConfig ; \␊ |
46 | else if (config == DEFAULT_OVERRIDE_CONFIG) \␊ |
47 | config = &bootInfo->overrideConfig ; \␊ |
48 | else if (config == DEFAULT_SMBIOS_CONFIG) \␊ |
49 | config = &bootInfo->smbiosConfig ; \␊ |
50 | else if (config == DEFAULT_HELPER_CONFIG) \␊ |
51 | config = &bootInfo->helperConfig ; ␊ |
52 | ␊ |
53 | #if UNUSED␊ |
54 | /*␊ |
55 | * Compare a string to a key with quoted characters␊ |
56 | */␊ |
57 | static inline int␊ |
58 | keyncmp(const char *str, const char *key, int n)␊ |
59 | {␊ |
60 | int c;␊ |
61 | while (n--) {␊ |
62 | ␉␉c = *key++;␊ |
63 | ␉␉if (c == '\\') {␊ |
64 | ␉␉␉switch(c = *key++) {␊ |
65 | ␉␉␉␉case 'n':␊ |
66 | ␉␉␉␉␉c = '\n';␊ |
67 | ␉␉␉␉␉break;␊ |
68 | ␉␉␉␉case 'r':␊ |
69 | ␉␉␉␉␉c = '\r';␊ |
70 | ␉␉␉␉␉break;␊ |
71 | ␉␉␉␉case 't':␊ |
72 | ␉␉␉␉␉c = '\t';␊ |
73 | ␉␉␉␉␉break;␊ |
74 | ␉␉␉␉default:␊ |
75 | ␉␉␉␉␉break;␊ |
76 | ␉␉␉}␊ |
77 | ␉␉} else if (c == '\"') {␊ |
78 | ␉␉␉/* Premature end of key */␊ |
79 | ␉␉␉return 1;␊ |
80 | ␉␉}␊ |
81 | ␉␉if (c != *str++) {␊ |
82 | ␉␉␉return 1;␊ |
83 | ␉␉}␊ |
84 | }␊ |
85 | return 0;␊ |
86 | }␊ |
87 | ␊ |
88 | static void eatThru(char val, const char **table_p)␊ |
89 | {␊ |
90 | ␉register const char *table = *table_p;␊ |
91 | ␉register bool found = false;␊ |
92 | ␉␊ |
93 | ␉while (*table && !found)␊ |
94 | ␉{␊ |
95 | ␉␉if (*table == '\\') table += 2;␊ |
96 | ␉␉else␊ |
97 | ␉␉{␊ |
98 | ␉␉␉if (*table == val) found = true;␊ |
99 | ␉␉␉table++;␊ |
100 | ␉␉}␊ |
101 | ␉}␊ |
102 | ␉*table_p = table;␊ |
103 | }␊ |
104 | ␊ |
105 | /* Remove key and its associated value from the table. */␊ |
106 | ␊ |
107 | bool␊ |
108 | removeKeyFromTable(const char *key, char *table)␊ |
109 | {␊ |
110 | register int len;␊ |
111 | register char *tab;␊ |
112 | char *buf;␊ |
113 | ␉␊ |
114 | len = strlen(key);␊ |
115 | tab = (char *)table;␊ |
116 | buf = (char *)malloc(len + 3);␊ |
117 | ␉␊ |
118 | sprintf(buf, "\"%s\"", key);␊ |
119 | len = strlen(buf);␊ |
120 | ␉␊ |
121 | while(*tab) {␊ |
122 | if(strncmp(buf, tab, len) == 0) {␊ |
123 | char c;␊ |
124 | ␉␉␉␊ |
125 | while((c = *(tab + len)) != ';') {␊ |
126 | if(c == 0) {␊ |
127 | len = -1;␊ |
128 | goto out;␊ |
129 | }␊ |
130 | len++;␊ |
131 | }␊ |
132 | len++;␊ |
133 | if(*(tab + len) == '\n') len++;␊ |
134 | goto out;␊ |
135 | }␊ |
136 | tab++;␊ |
137 | }␊ |
138 | len = -1;␊ |
139 | out:␊ |
140 | free(buf);␊ |
141 | ␉␊ |
142 | if(len == -1) return false;␊ |
143 | ␉␊ |
144 | while((*tab = *(tab + len))) {␊ |
145 | tab++;␊ |
146 | }␊ |
147 | ␉␊ |
148 | return true;␊ |
149 | }␊ |
150 | ␊ |
151 | char *␊ |
152 | newStringFromList(␊ |
153 | ␉␉␉␉ char **list,␊ |
154 | ␉␉␉␉ int *size␊ |
155 | ␉␉␉␉ )␊ |
156 | {␊ |
157 | char *begin = *list, *end;␊ |
158 | char *newstr;␊ |
159 | int newsize = *size;␊ |
160 | int bufsize;␊ |
161 | ␊ |
162 | while (*begin && newsize && isspace(*begin)) {␊ |
163 | ␉␉begin++;␊ |
164 | ␉␉newsize--;␊ |
165 | }␊ |
166 | end = begin;␊ |
167 | while (*end && newsize && !isspace(*end)) {␊ |
168 | ␉␉end++;␊ |
169 | ␉␉newsize--;␊ |
170 | }␊ |
171 | if (begin == end)␊ |
172 | ␉␉return 0;␊ |
173 | bufsize = end - begin + 1;␊ |
174 | newstr = malloc(bufsize);␊ |
175 | strlcpy(newstr, begin, bufsize);␊ |
176 | *list = end;␊ |
177 | *size = newsize;␊ |
178 | return newstr;␊ |
179 | }␊ |
180 | ␊ |
181 | /* ␊ |
182 | * compress == compress escaped characters to one character␊ |
183 | */␊ |
184 | int stringLength(const char *table, int compress)␊ |
185 | {␊ |
186 | ␉int ret = 0;␊ |
187 | ␉␊ |
188 | ␉while (*table)␊ |
189 | ␉{␊ |
190 | ␉␉if (*table == '\\')␊ |
191 | ␉␉{␊ |
192 | ␉␉␉table += 2;␊ |
193 | ␉␉␉ret += 1 + (compress ? 0 : 1);␊ |
194 | ␉␉}␊ |
195 | ␉␉else␊ |
196 | ␉␉{␊ |
197 | ␉␉␉if (*table == '\"') return ret;␊ |
198 | ␉␉␉ret++;␊ |
199 | ␉␉␉table++;␊ |
200 | ␉␉}␊ |
201 | ␉}␊ |
202 | ␉return ret;␊ |
203 | }␊ |
204 | #endif␊ |
205 | ␊ |
206 | bool getValueForConfigTableKey(config_file_t *config, const char *key, const char **val, int *size)␊ |
207 | {␊ |
208 | ASSERT_CONFIG␊ |
209 | ␊ |
210 | ␉if (config->dictionary != 0 ) {␊ |
211 | ␉␉// Look up key in XML dictionary␊ |
212 | ␉␉TagPtr value;␊ |
213 | ␉␉value = XMLGetProperty(config->dictionary, key);␊ |
214 | ␉␉if (value != 0) {␊ |
215 | ␉␉␉if (value->type != kTagTypeString) {␊ |
216 | ␉␉␉␉error("Non-string tag '%s' found in config file\n",␊ |
217 | ␉␉␉␉␉ key);␊ |
218 | ␉␉␉␉return false;␊ |
219 | ␉␉␉}␊ |
220 | ␉␉␉*val = value->string;␊ |
221 | ␉␉␉*size = strlen(value->string);␊ |
222 | ␉␉␉return true;␊ |
223 | ␉␉}␊ |
224 | ␉} else {␊ |
225 | ␉␉␊ |
226 | ␉␉// Legacy plist-style table␊ |
227 | ␉␉␊ |
228 | ␉}␊ |
229 | ␉␊ |
230 | ␉return false;␊ |
231 | }␊ |
232 | ␊ |
233 | #if UNUSED␊ |
234 | ␊ |
235 | /*␊ |
236 | * Returns a new malloc'ed string if one is found␊ |
237 | * in the string table matching 'key'. Also translates␊ |
238 | * \n escapes in the string.␊ |
239 | */␊ |
240 | char *newStringForStringTableKey(␊ |
241 | ␉␉␉␉␉␉␉␉ char *table,␊ |
242 | ␉␉␉␉␉␉␉␉ char *key,␊ |
243 | ␉␉␉␉␉␉␉␉ config_file_t *config␊ |
244 | ␉␉␉␉␉␉␉␉ )␊ |
245 | {␊ |
246 | const char *val;␊ |
247 | char *newstr, *p;␊ |
248 | int size;␊ |
249 | ␊ |
250 | ASSERT_CONFIG␊ |
251 | ␊ |
252 | if (getValueForConfigTableKey(config, key, &val, &size)) {␊ |
253 | ␉␉newstr = (char *)malloc(size+1);␊ |
254 | ␉␉for (p = newstr; size; size--, p++, val++) {␊ |
255 | ␉␉␉if ((*p = *val) == '\\') {␊ |
256 | ␉␉␉␉switch (*++val) {␊ |
257 | ␉␉␉␉␉case 'r':␊ |
258 | ␉␉␉␉␉␉*p = '\r';␊ |
259 | ␉␉␉␉␉␉break;␊ |
260 | ␉␉␉␉␉case 'n':␊ |
261 | ␉␉␉␉␉␉*p = '\n';␊ |
262 | ␉␉␉␉␉␉break;␊ |
263 | ␉␉␉␉␉case 't':␊ |
264 | ␉␉␉␉␉␉*p = '\t';␊ |
265 | ␉␉␉␉␉␉break;␊ |
266 | ␉␉␉␉␉default:␊ |
267 | ␉␉␉␉␉␉*p = *val;␊ |
268 | ␉␉␉␉␉␉break;␊ |
269 | ␉␉␉␉}␊ |
270 | ␉␉␉␉size--;␊ |
271 | ␉␉␉}␊ |
272 | ␉␉}␊ |
273 | ␉␉*p = '\0';␊ |
274 | ␉␉return newstr;␊ |
275 | } else {␊ |
276 | ␉␉return 0;␊ |
277 | }␊ |
278 | }␊ |
279 | ␊ |
280 | #endif␊ |
281 | ␊ |
282 | char *␊ |
283 | newStringForKey(char *key, config_file_t *config)␊ |
284 | {␊ |
285 | const char *val;␊ |
286 | char *newstr;␊ |
287 | int size;␊ |
288 | ␊ |
289 | ASSERT_CONFIG␊ |
290 | ␊ |
291 | if (getValueForKey(key, &val, &size, config) && size) {␊ |
292 | ␉␉newstr = (char *)malloc(size + 1);␊ |
293 | ␉␉strlcpy(newstr, val, size + 1);␊ |
294 | ␉␉return newstr;␊ |
295 | } else {␊ |
296 | ␉␉return 0;␊ |
297 | }␊ |
298 | }␊ |
299 | ␊ |
300 | /* parse a command line␊ |
301 | * in the form: [<argument> ...] [<option>=<value> ...]␊ |
302 | * both <option> and <value> must be either composed of␊ |
303 | * non-whitespace characters, or enclosed in quotes.␊ |
304 | */␊ |
305 | ␊ |
306 | static const char *getToken(const char *line, const char **begin, int *len)␊ |
307 | {␊ |
308 | if (*line == '\"') {␊ |
309 | ␉␉*begin = ++line;␊ |
310 | ␉␉while (*line && *line != '\"')␊ |
311 | ␉␉␉line++;␊ |
312 | ␉␉*len = line++ - *begin;␊ |
313 | } else {␊ |
314 | ␉␉*begin = line;␊ |
315 | ␉␉while (*line && !isspace(*line) && *line != '=')␊ |
316 | ␉␉␉line++;␊ |
317 | ␉␉*len = line - *begin;␊ |
318 | }␊ |
319 | return line;␊ |
320 | }␊ |
321 | ␊ |
322 | bool getValueForBootKey(const char *line, const char *match, const char **matchval, int *len)␊ |
323 | {␊ |
324 | const char *key, *value;␊ |
325 | int key_len, value_len;␊ |
326 | bool retval = false;␊ |
327 | ␊ |
328 | while (*line) {␊ |
329 | ␉␉/* look for keyword or argument */␊ |
330 | ␉␉while (isspace(*line)) line++;␊ |
331 | ␉␉␊ |
332 | ␉␉/* now look for '=' or whitespace */␊ |
333 | ␉␉line = getToken(line, &key, &key_len);␊ |
334 | ␉␉/* line now points to '=' or space */␊ |
335 | ␉␉if (*line && !isspace(*line)) {␊ |
336 | ␉␉␉line = getToken(++line, &value, &value_len);␊ |
337 | ␉␉} else {␊ |
338 | ␉␉␉value = line;␊ |
339 | ␉␉␉value_len = 0;␊ |
340 | ␉␉}␊ |
341 | ␉␉if ((strlen(match) == key_len)␊ |
342 | ␉␉␉&& strncmp(match, key, key_len) == 0) {␊ |
343 | ␉␉␉*matchval = value;␊ |
344 | ␉␉␉*len = value_len;␊ |
345 | ␉␉␉retval = true;␊ |
346 | /* Continue to look for this key; last one wins. */␊ |
347 | ␉␉}␊ |
348 | }␊ |
349 | return retval;␊ |
350 | }␊ |
351 | ␊ |
352 | /* Return NULL if no option has been successfully retrieved, or the string otherwise */␊ |
353 | const char * getStringForKey(const char * key, config_file_t *config)␊ |
354 | {␊ |
355 | ␉static const char* value =0;␊ |
356 | ␉int len=0;␊ |
357 | ␊ |
358 | ASSERT_CONFIG␊ |
359 | ␊ |
360 | ␉if(!getValueForKey(key, &value, &len, config)) value = 0;␊ |
361 | ␉return value;␊ |
362 | }␊ |
363 | ␊ |
364 | ␊ |
365 | /* Returns TRUE if a value was found, FALSE otherwise.␊ |
366 | * The boolean value of the key is stored in 'val'.␊ |
367 | */␊ |
368 | ␊ |
369 | bool getBoolForKey( const char *key, bool *result_val, config_file_t *config )␊ |
370 | {␊ |
371 | const char *key_val;␊ |
372 | int size;␊ |
373 | ␊ |
374 | ASSERT_CONFIG␊ |
375 | ␊ |
376 | if (getValueForKey(key, &key_val, &size, config)) {␊ |
377 | if ( (size >= 1) && (key_val[0] == 'Y' || key_val[0] == 'y') ) {␊ |
378 | *result_val = true;␊ |
379 | } else {␊ |
380 | *result_val = false;␊ |
381 | }␊ |
382 | return true;␊ |
383 | }␊ |
384 | return false;␊ |
385 | }␊ |
386 | ␊ |
387 | bool getIntForKey( const char *key, int *value, config_file_t *config )␊ |
388 | {␊ |
389 | const char *val;␊ |
390 | int size, sum;␊ |
391 | bool negative = false;␊ |
392 | ␊ |
393 | ASSERT_CONFIG␊ |
394 | ␊ |
395 | if (getValueForKey(key, &val, &size, config))␊ |
396 | ␉{␊ |
397 | ␉␉if ( size )␊ |
398 | ␉␉{␊ |
399 | ␉␉␉if (*val == '-')␊ |
400 | ␉␉␉{␊ |
401 | ␉␉␉␉negative = true;␊ |
402 | ␉␉␉␉val++;␊ |
403 | ␉␉␉␉size--;␊ |
404 | ␉␉␉}␊ |
405 | ␉␉␉␊ |
406 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
407 | ␉␉␉{␊ |
408 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
409 | ␉␉␉␉␉return false;␊ |
410 | ␉␉␉␉␊ |
411 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
412 | ␉␉␉}␊ |
413 | ␉␉␉␊ |
414 | ␉␉␉if (negative)␊ |
415 | ␉␉␉␉sum = -sum;␊ |
416 | ␉␉␉␊ |
417 | ␉␉␉*value = sum;␊ |
418 | ␉␉␉return true;␊ |
419 | ␉␉}␊ |
420 | ␉}␊ |
421 | return false;␊ |
422 | }␊ |
423 | ␊ |
424 | /*␊ |
425 | *␊ |
426 | */␊ |
427 | ␊ |
428 | bool getDimensionForKey( const char *key, unsigned int *value, config_file_t *config, unsigned int dimension_max, unsigned int object_size )␊ |
429 | {␊ |
430 | ␉const char *val;␊ |
431 | ␉␊ |
432 | int size = 0;␊ |
433 | ␉int sum = 0;␊ |
434 | ␊ |
435 | ␉bool negative = false;␊ |
436 | ␉bool percentage = false;␊ |
437 | ␊ |
438 | ASSERT_CONFIG␊ |
439 | ␉␊ |
440 | if (getValueForKey(key, &val, &size, config))␊ |
441 | ␉{␊ |
442 | ␉␉if ( size )␊ |
443 | ␉␉{␊ |
444 | ␉␉␉if (*val == '-')␊ |
445 | ␉␉␉{␊ |
446 | ␉␉␉␉negative = true;␊ |
447 | ␉␉␉␉val++;␊ |
448 | ␉␉␉␉size--;␊ |
449 | ␉␉␉}␊ |
450 | ␉␉␉␊ |
451 | ␉␉␉if (val[size-1] == '%')␊ |
452 | ␉␉␉{␊ |
453 | ␉␉␉␉percentage = true;␊ |
454 | ␉␉␉␉size--;␊ |
455 | ␉␉␉}␊ |
456 | ␉␉␉␊ |
457 | ␉␉␉// convert string to integer␊ |
458 | ␉␉␉for (sum = 0; size > 0; size--)␊ |
459 | ␉␉␉{␊ |
460 | ␉␉␉␉if (*val < '0' || *val > '9')␊ |
461 | ␉␉␉␉␉return false;␊ |
462 | ␉␉␉␉␊ |
463 | ␉␉␉␉sum = (sum * 10) + (*val++ - '0');␊ |
464 | ␉␉␉}␊ |
465 | ␉␉␉␊ |
466 | ␉␉␉if (percentage)␊ |
467 | ␉␉␉␉sum = ( dimension_max * sum ) / 100;␊ |
468 | ␉␉␉␊ |
469 | ␉␉␉// calculate offset from opposite origin␊ |
470 | ␉␉␉if (negative)␊ |
471 | ␉␉␉␉sum = ( ( dimension_max - object_size ) - sum );␊ |
472 | ␉␉␉␊ |
473 | ␉␉} else {␊ |
474 | ␉␉␉␊ |
475 | ␉␉␉// null value calculate center␊ |
476 | ␉␉␉sum = ( dimension_max - object_size ) / 2;␊ |
477 | ␉␉␉␊ |
478 | ␉␉}␊ |
479 | ␉␉␊ |
480 | ␉␉*value = (uint16_t) sum;␊ |
481 | ␉␉return true;␊ |
482 | ␉}␊ |
483 | ␉␊ |
484 | ␉// key not found␊ |
485 | return false;␊ |
486 | } ␊ |
487 | ␊ |
488 | /*␊ |
489 | *␉get color value from plist format #RRGGBB␊ |
490 | */␊ |
491 | ␊ |
492 | bool getColorForKey( const char *key, unsigned int *value, config_file_t *config )␊ |
493 | {␊ |
494 | const char *val;␊ |
495 | int size;␊ |
496 | ␊ |
497 | ASSERT_CONFIG␊ |
498 | ␊ |
499 | if (getValueForKey(key, &val, &size, config))␊ |
500 | ␉{␊ |
501 | ␉␉if (*val == '#')␊ |
502 | ␉␉{␊ |
503 | val++;␊ |
504 | ␉␉␉*value = strtol(val, NULL, 16);␊ |
505 | ␉␉␉return true;␊ |
506 | }␊ |
507 | }␊ |
508 | return false;␊ |
509 | }␊ |
510 | ␊ |
511 | bool getValueForKey( const char *key, const char **val, int *size, config_file_t *config )␊ |
512 | {␊ |
513 | const char *overrideVal;␊ |
514 | int overrideSize;␊ |
515 | bool ret; ␊ |
516 | ␊ |
517 | if (getValueForBootKey(bootArgs->CommandLine, key, val, size))␊ |
518 | return true;␊ |
519 | ␊ |
520 | ASSERT_CONFIG␊ |
521 | ␊ |
522 | ret = getValueForConfigTableKey(config, key, val, size);␊ |
523 | ␊ |
524 | // Try to find alternate keys in bootInfo->overrideConfig␊ |
525 | // and prefer its values with the exceptions for␊ |
526 | // "Kernel"="mach_kernel" and "Kernel Flags"="".␊ |
527 | ␊ |
528 | if (config->canOverride)␊ |
529 | {␊ |
530 | if (getValueForConfigTableKey(&bootInfo->overrideConfig, key, &overrideVal, &overrideSize) && overrideSize)␊ |
531 | {␊ |
532 | *val = overrideVal;␊ |
533 | *size = overrideSize;␊ |
534 | return true;␉␉␊ |
535 | }␊ |
536 | else if (getValueForConfigTableKey(&bootInfo->SystemConfig, key, &overrideVal, &overrideSize) && overrideSize)␊ |
537 | {␊ |
538 | *val = overrideVal;␊ |
539 | *size = overrideSize;␊ |
540 | return true;␉␉␊ |
541 | }␊ |
542 | }␊ |
543 | ␊ |
544 | return ret;␊ |
545 | }␊ |
546 | ␊ |
547 | ␊ |
548 | #if UNUSED␊ |
549 | void␊ |
550 | printSystemConfig(char *p1)␊ |
551 | {␊ |
552 | char *p2 = p1, tmp;␊ |
553 | ␉␊ |
554 | while (*p1 != '\0') {␊ |
555 | ␉␉while (*p2 != '\0' && *p2 != '\n') p2++;␊ |
556 | ␉␉tmp = *p2;␊ |
557 | ␉␉*p2 = '\0';␊ |
558 | ␉␉printf("%s\n", p1);␊ |
559 | ␉␉*p2 = tmp;␊ |
560 | ␉␉if (tmp == '\0') break;␊ |
561 | ␉␉p1 = ++p2;␊ |
562 | }␊ |
563 | }␊ |
564 | #endif␊ |
565 | ␊ |
566 | //==========================================================================␊ |
567 | // ParseXMLFile␊ |
568 | // Modifies the input buffer.␊ |
569 | // Expects to see one dictionary in the XML file.␊ |
570 | // Puts the first dictionary it finds in the␊ |
571 | // tag pointer and returns 0, or returns -1 if not found␊ |
572 | // (and does not modify dict pointer).␊ |
573 | // Prints an error message if there is a parsing error.␊ |
574 | //␊ |
575 | int ParseXMLFile( char * buffer, TagPtr * dict )␊ |
576 | {␊ |
577 | long length, pos;␊ |
578 | TagPtr tag;␊ |
579 | pos = 0;␊ |
580 | char *configBuffer;␊ |
581 | ␉␊ |
582 | configBuffer = malloc(strlen(buffer)+1);␊ |
583 | if (!configBuffer) {␊ |
584 | return -1;␊ |
585 | } ␊ |
586 | ␊ |
587 | strcpy(configBuffer, buffer);␊ |
588 | ␉␊ |
589 | while (1)␊ |
590 | {␊ |
591 | length = XMLParseNextTag(configBuffer + pos, &tag);␊ |
592 | if (length == -1) break;␊ |
593 | ␉␉␊ |
594 | pos += length;␊ |
595 | ␉␉␊ |
596 | if (tag == 0) continue;␊ |
597 | if (tag->type == kTagTypeDict) break;␊ |
598 | ␉␉␊ |
599 | XMLFreeTag(tag);␊ |
600 | }␊ |
601 | free(configBuffer);␊ |
602 | if (length < 0) {␊ |
603 | error ("Error parsing plist file\n");␊ |
604 | return -1;␊ |
605 | }␊ |
606 | *dict = tag;␊ |
607 | return 0;␊ |
608 | }␊ |
609 | ␊ |
610 | /* loadConfigFile␊ |
611 | *␊ |
612 | * Returns 0 - successful.␊ |
613 | *␉␉ -1 - unsuccesful.␊ |
614 | */␊ |
615 | int loadConfigFile (const char *configFile, config_file_t *config)␊ |
616 | {␊ |
617 | ␉int fd, count, fixedsize;␊ |
618 | ␊ |
619 | ASSERT_CONFIG␊ |
620 | ␊ |
621 | ␉if ((fd = open(configFile)) < 0) {␊ |
622 | ␉␉return -1;␊ |
623 | ␉}␊ |
624 | ␉␊ |
625 | fixedsize = MIN(file_size(fd),IO_CONFIG_DATA_SIZE);␊ |
626 | ␊ |
627 | ␉// read file␊ |
628 | ␉count = read(fd, config->plist, fixedsize);␊ |
629 | ␉close(fd);␊ |
630 | if (count != fixedsize) return -1;␊ |
631 | ␊ |
632 | ␉// build xml dictionary␉␊ |
633 | ␉return ParseXMLFile(config->plist, &config->dictionary);␊ |
634 | }␊ |
635 | ␊ |
636 | /* loadBooterConfig␊ |
637 | *␊ |
638 | * Returns 0 - successful.␊ |
639 | *␉␉ -1 - unsuccesful.␊ |
640 | */␊ |
641 | int loadBooterConfig(void)␊ |
642 | {␊ |
643 | ␉char *dirspec[] = {␉␉␉␉␉␉␉ ␊ |
644 | ␉␉"rd(0,0)/Extra/com.apple.Boot.plist", ␊ |
645 | ␉␉"/Extra/com.apple.Boot.plist",␊ |
646 | ␉␉"bt(0,0)/Extra/com.apple.Boot.plist",␊ |
647 | ␉␉"rd(0,0)/Extra/org.chameleon.Boot.plist", // Add compatibility with the trunk ␊ |
648 | ␉␉"/Extra/org.chameleon.Boot.plist", // Add compatibility with the trunk ␊ |
649 | ␉␉"bt(0,0)/Extra/org.chameleon.Boot.plist" // Add compatibility with the trunk␉␉␊ |
650 | ␊ |
651 | ␉};␊ |
652 | ␊ |
653 | config_file_t *config = &bootInfo->bootConfig;␊ |
654 | ␊ |
655 | ␉int i, fd, count, ret=-1, fixedsize;␊ |
656 | ␊ |
657 | ␉for(i = 0; (unsigned)i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
658 | ␉{␊ |
659 | ␉␉if ((fd = open(dirspec[i])) >= 0)␊ |
660 | ␉␉{␊ |
661 | ␉␉␉// read file␊ |
662 | fixedsize = MIN(file_size(fd),IO_CONFIG_DATA_SIZE);␊ |
663 | ␉␉␉count = read(fd, config->plist, fixedsize);␊ |
664 | ␉␉␉close(fd);␊ |
665 | if (count != fixedsize) continue;␊ |
666 | ␊ |
667 | ␉␉␉// build xml dictionary␊ |
668 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
669 | safe_set_env(envSysConfigValid,true);␊ |
670 | ␉␉␉ret=0;␊ |
671 | ␉␉␉␊ |
672 | ␉␉␉// enable canOverride flag␊ |
673 | ␉␉␉config->canOverride = true;␊ |
674 | ␊ |
675 | ␉␉␉break;␊ |
676 | ␉␉}␊ |
677 | ␉}␊ |
678 | #ifdef BOOT_HELPER_SUPPORT␊ |
679 | ␉if(ret == -1)␊ |
680 | ␉{␊ |
681 | ␉␉ret = loadHelperConfig();␊ |
682 | ␉}␊ |
683 | #endif␊ |
684 | ␉␊ |
685 | ␉return ret;␊ |
686 | }␊ |
687 | ␊ |
688 | /* loadOverrideConfig␊ |
689 | *␊ |
690 | * Returns 0 - successful.␊ |
691 | *␉␉ -1 - unsuccesful.␊ |
692 | */␊ |
693 | int loadOverrideConfig(void)␊ |
694 | {␊ |
695 | ␉char *dirspec[] = {␊ |
696 | ␉␉"/Extra/com.apple.Boot.plist", ␊ |
697 | ␉␉"/Extra/org.chameleon.Boot.plist" ␊ |
698 | ␉};␊ |
699 | ␊ |
700 | config_file_t *config = &bootInfo->overrideConfig;␊ |
701 | ␊ |
702 | ␊ |
703 | ␉int i, fd, count, ret=-1, fixedsize;␊ |
704 | ␊ |
705 | ␉for(i = 0; (unsigned)i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
706 | ␉{␊ |
707 | ␉␉if ((fd = open(dirspec[i])) >= 0)␊ |
708 | ␉␉{␊ |
709 | ␉␉␉// read file␊ |
710 | ␉␉␉fixedsize = MIN(file_size(fd),IO_CONFIG_DATA_SIZE); ␊ |
711 | ␉␉␉count = read(fd, config->plist, fixedsize);␊ |
712 | ␉␉␉close(fd);␊ |
713 | if (count != fixedsize) continue;␊ |
714 | ␉␉␉␊ |
715 | ␉␉␉// build xml dictionary␊ |
716 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
717 | safe_set_env(envSysConfigValid,true);␊ |
718 | ␉␉␉ret=0;␊ |
719 | ␉␉␉break;␊ |
720 | ␉␉}␊ |
721 | ␉}␊ |
722 | #ifdef BOOT_HELPER_SUPPORT␉␊ |
723 | ␉if(ret == -1)␊ |
724 | ␉{␊ |
725 | ␉␉ret = loadHelperConfig();␊ |
726 | ␉}␊ |
727 | #endif␊ |
728 | ␊ |
729 | ␉return ret;␊ |
730 | }␊ |
731 | ␊ |
732 | /* loadSystemConfig␊ |
733 | *␊ |
734 | * Returns 0 - successful.␊ |
735 | *␉␉ -1 - unsuccesful.␊ |
736 | */␊ |
737 | int loadSystemConfig(void)␊ |
738 | {␊ |
739 | ␉char *dirspec[] = {␊ |
740 | "rd(0,0)/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
741 | ␉␉"/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
742 | ␉␉"bt(0,0)/Library/Preferences/SystemConfiguration/com.apple.Boot.plist",␊ |
743 | "rd(0,0)/Mac OS X Install Data/com.apple.Boot.plist",␊ |
744 | ␉␉"/Mac OS X Install Data/com.apple.Boot.plist",␊ |
745 | ␉␉"bt(0,0)/Mac OS X Install Data/com.apple.Boot.plist"␊ |
746 | ␉};␊ |
747 | ␊ |
748 | config_file_t *config = &bootInfo->SystemConfig;␊ |
749 | ␊ |
750 | ␊ |
751 | ␉int i, fd, count, ret=-1, fixedsize;␊ |
752 | ␉␊ |
753 | ␉for(i = 0; (unsigned)i< sizeof(dirspec)/sizeof(dirspec[0]); i++)␊ |
754 | ␉{␊ |
755 | ␉␉if ((fd = open(dirspec[i])) >= 0)␊ |
756 | ␉␉{␊ |
757 | ␉␉␉// read file␊ |
758 | ␉␉␉fixedsize = MIN(file_size(fd),IO_CONFIG_DATA_SIZE); ␊ |
759 | ␉␉␉count = read(fd, config->plist, fixedsize);␊ |
760 | ␉␉␉close(fd);␊ |
761 | if (count != fixedsize) continue;␊ |
762 | ␉␉␉␊ |
763 | ␉␉␉// build xml dictionary␊ |
764 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
765 | safe_set_env(envSysConfigValid,true);␊ |
766 | ␉␉␉ret=0;␉␉␉␊ |
767 | ␉␉␉break;␊ |
768 | ␉␉}␊ |
769 | ␉}␊ |
770 | ␉␊ |
771 | ␉return ret;␊ |
772 | }␊ |
773 | ␊ |
774 | #ifdef BOOT_HELPER_SUPPORT␊ |
775 | ␊ |
776 | /* loadHelperConfig␊ |
777 | *␊ |
778 | * Returns 0 - successful.␊ |
779 | *␉␉ -1 - unsuccesful.␊ |
780 | */␊ |
781 | int loadHelperConfig(void)␊ |
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 | config_file_t *config = &bootInfo->helperConfig;␊ |
792 | ␊ |
793 | ␊ |
794 | ␉// This is a simple rock - paper scissors algo. R beats S, P beats R, S beats P␊ |
795 | ␉// If all three, S is used for now. This should be change dto something else (say, timestamp?)␊ |
796 | ␉␊ |
797 | ␉pfd = open(dirspec[0]);␊ |
798 | ␉if(pfd >= 0)␉// com.apple.boot.P exists␊ |
799 | ␉{␊ |
800 | ␉␉sfd = open(dirspec[2]); // com.apple.boot.S takes precidence if it also exists␊ |
801 | ␉␉if(sfd >= 0)␊ |
802 | ␉␉{␊ |
803 | ␉␉␉// Use sfd␊ |
804 | fixedsize = MIN(file_size(sfd),IO_CONFIG_DATA_SIZE);␊ |
805 | ␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
806 | ␉␉␉close(sfd);␊ |
807 | ␉␉␉close(pfd); ␊ |
808 | if (count != fixedsize) return -1;␊ |
809 | ␊ |
810 | ␉␉␉// build xml dictionary␊ |
811 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
812 | safe_set_env(envSysConfigValid,true);␊ |
813 | ␉␉␉ret=0;␊ |
814 | ␉␉␉␊ |
815 | ␉␉}␊ |
816 | ␉␉else␊ |
817 | ␉␉{␊ |
818 | ␉␉␉// used pfd␊ |
819 | fixedsize = MIN(file_size(pfd),IO_CONFIG_DATA_SIZE);␊ |
820 | ␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
821 | ␉␉␉close(pfd);␊ |
822 | if (count != fixedsize) return -1;␊ |
823 | ␊ |
824 | ␉␉␉// build xml dictionary␊ |
825 | ␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
826 | safe_set_env(envSysConfigValid,true);␊ |
827 | ␉␉␉ret=0;␊ |
828 | ␉␉}␊ |
829 | ␉␉␊ |
830 | ␉}␊ |
831 | ␉else␊ |
832 | ␉{␊ |
833 | ␉␉rfd = open(dirspec[1]); // com.apple.boot.R exists␊ |
834 | ␉␉if(rfd >= 0)␊ |
835 | ␉␉{␊ |
836 | ␉␉␉pfd = open(dirspec[2]); // com.apple.boot.P takes recidence if it exists␊ |
837 | ␉␉␉if(pfd >= 0)␊ |
838 | ␉␉␉{␊ |
839 | ␉␉␉␉// use sfd␊ |
840 | fixedsize = MIN(file_size(pfd),IO_CONFIG_DATA_SIZE);␊ |
841 | ␉␉␉␉count = read(pfd, config->plist, fixedsize);␊ |
842 | ␉␉␉␉close(pfd);␊ |
843 | ␉␉␉␉close(rfd);␊ |
844 | if (count != fixedsize) return -1;␊ |
845 | ␊ |
846 | ␉␉␉␉// build xml dictionary␊ |
847 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
848 | safe_set_env(envSysConfigValid,true);␊ |
849 | ␉␉␉␉ret=0;␊ |
850 | ␉␉␉␉␊ |
851 | ␉␉␉}␊ |
852 | ␉␉␉else␊ |
853 | ␉␉␉{␊ |
854 | ␉␉␉␉// use rfd␊ |
855 | fixedsize = MIN(file_size(rfd),IO_CONFIG_DATA_SIZE);␊ |
856 | ␉␉␉␉count = read(rfd, config->plist, fixedsize);␊ |
857 | ␉␉␉␉close(rfd);␊ |
858 | if (count != fixedsize) return -1;␊ |
859 | ␊ |
860 | ␉␉␉␉// build xml dictionary␊ |
861 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
862 | safe_set_env(envSysConfigValid,true);␊ |
863 | ␉␉␉␉ret=0;␊ |
864 | ␉␉␉␉␊ |
865 | ␉␉␉}␊ |
866 | ␉␉␉␊ |
867 | ␉␉}␊ |
868 | ␉␉else␊ |
869 | ␉␉{␊ |
870 | ␉␉␉sfd = open(dirspec[2]); // com.apple.boot.S exists, but nothing else does␊ |
871 | ␉␉␉if(sfd >= 0)␊ |
872 | ␉␉␉{␊ |
873 | ␉␉␉␉// use sfd␊ |
874 | fixedsize = MIN(file_size(sfd),IO_CONFIG_DATA_SIZE);␊ |
875 | ␉␉␉␉count = read(sfd, config->plist, fixedsize);␊ |
876 | ␉␉␉␉close(sfd);␊ |
877 | if (count != fixedsize) return -1;␊ |
878 | ␊ |
879 | ␉␉␉␉// build xml dictionary␊ |
880 | ␉␉␉␉ParseXMLFile(config->plist, &config->dictionary);␊ |
881 | safe_set_env(envSysConfigValid,true);␊ |
882 | ␉␉␉␉ret=0;␊ |
883 | ␉␉␉␉␊ |
884 | ␉␉␉}␊ |
885 | ␉␉}␊ |
886 | ␉␉␊ |
887 | ␉}␊ |
888 | ␉␊ |
889 | ␉return ret;␊ |
890 | }␊ |
891 | #endif␊ |
892 | ␊ |
893 | static char * AllocInitStringWithLength(const char * oldString, int len)␊ |
894 | {␊ |
895 | ␉char *Buf = NULL;␊ |
896 | ␉Buf = malloc(len);␊ |
897 | ␉if (Buf == NULL) return NULL;␊ |
898 | ␉␊ |
899 | ␉if (oldString != NULL)␊ |
900 | ␉␉strlcpy(Buf, oldString,len);␊ |
901 | ␉␊ |
902 | ␉return Buf;␊ |
903 | }␊ |
904 | ␊ |
905 | static char * AllocInitZeroEndedStringWithLength(const char * oldString, int len)␊ |
906 | {␉␊ |
907 | ␉if (len > 0)␊ |
908 | ␉{␊ |
909 | ␉␉return AllocInitStringWithLength( oldString, len + 1);␊ |
910 | ␉}␊ |
911 | ␉return NULL;␊ |
912 | }␊ |
913 | ␊ |
914 | char * newString(const char * oldString)␊ |
915 | {␉␊ |
916 | if ( oldString )␊ |
917 | ␉{␊ |
918 | ␉␉int len = strlen(oldString);␊ |
919 | ␉␉␊ |
920 | ␉␉if (len > 0) ␊ |
921 | ␉␉{␊ |
922 | ␉␉␉return AllocInitZeroEndedStringWithLength(oldString, len);␊ |
923 | ␉␉}␉␊ |
924 | ␉}␉␊ |
925 | return NULL;␊ |
926 | }␊ |
927 | ␊ |
928 | char * newStringWithLength(const char * oldString, int len)␊ |
929 | {␉␊ |
930 | ␉if (len > 0) ␊ |
931 | ␉{␊ |
932 | ␉␉return AllocInitZeroEndedStringWithLength(oldString, len);␊ |
933 | ␉}␉␉␊ |
934 | return NULL;␊ |
935 | }␊ |
936 | ␊ |
937 | char * newEmptyStringWithLength(int len)␊ |
938 | {␉␊ |
939 | ␉if (len > 0) ␊ |
940 | ␉{␊ |
941 | ␉␉return AllocInitZeroEndedStringWithLength(NULL, len);␊ |
942 | ␉}␉␉␊ |
943 | return NULL;␊ |
944 | }␊ |
945 | ␊ |
946 | /*␊ |
947 | * Extracts the next argument from the command line, double quotes are allowed here.␊ |
948 | */␊ |
949 | char * getNextArg(char ** argPtr, char * val)␊ |
950 | {␊ |
951 | ␉char * ptr = *argPtr;␊ |
952 | ␉const char * strStart;␊ |
953 | ␉int len = 0;␊ |
954 | ␉bool isQuoted = false;␊ |
955 | ␉␊ |
956 | ␉*val = '\0';␊ |
957 | ␉␊ |
958 | ␉// Scan for the next non-whitespace character.␊ |
959 | ␉while ( *ptr && (*ptr == ' ' || *ptr == '=') )␊ |
960 | ␉{␊ |
961 | ␉␉ptr++;␊ |
962 | ␉}␊ |
963 | ␉␊ |
964 | ␉strStart = ptr;␊ |
965 | ␉␊ |
966 | ␉// Skip the leading double quote character.␊ |
967 | ␉if (*ptr == '\"')␊ |
968 | ␉{␊ |
969 | ␉␉isQuoted = true;␊ |
970 | ␉␉ptr++;␊ |
971 | ␉␉strStart++;␊ |
972 | ␉}␊ |
973 | ␉␊ |
974 | ␉// Scan for the argument terminator character.␊ |
975 | ␉// This can be either a NULL character - in case we reach the end of the string,␊ |
976 | ␉// a double quote in case of quoted argument,␊ |
977 | ␉// or a whitespace character (' ' or '=') for non-quoted argument.␊ |
978 | ␉while (*ptr && !( (isQuoted && (*ptr == '\"')) ||␊ |
979 | ␉␉␉␉␉ (!isQuoted && (*ptr == ' ' || *ptr == '=')) )␊ |
980 | ␉␉ )␊ |
981 | ␉{␊ |
982 | ␉␉ptr++;␊ |
983 | ␉}␊ |
984 | ␉␊ |
985 | ␉len = ptr - strStart;␊ |
986 | ␉␊ |
987 | ␉// Skip the closing double quote character and adjust␊ |
988 | ␉// the starting pointer for the next getNextArg call.␊ |
989 | ␉if (*ptr && isQuoted && *ptr == '\"')␊ |
990 | ␉␉ptr++;␊ |
991 | ␉␊ |
992 | ␉// Copy the extracted argument to val.␊ |
993 | ␉strncat(val, strStart, len);␊ |
994 | ␉␊ |
995 | ␉// Set command line pointer.␊ |
996 | ␉*argPtr = ptr;␊ |
997 | ␉␊ |
998 | ␉return ptr;␊ |
999 | }␊ |
1000 | |