]>
Commit | Line | Data |
---|---|---|
c3ef1500 TH |
1 | /* |
2 | * security/tomoyo/util.c | |
3 | * | |
0f2a55d5 | 4 | * Copyright (C) 2005-2011 NTT DATA CORPORATION |
c3ef1500 TH |
5 | */ |
6 | ||
7 | #include <linux/slab.h> | |
b2d09103 IM |
8 | #include <linux/rculist.h> |
9 | ||
c3ef1500 TH |
10 | #include "common.h" |
11 | ||
12 | /* Lock for protecting policy. */ | |
13 | DEFINE_MUTEX(tomoyo_policy_lock); | |
14 | ||
15 | /* Has /sbin/init started? */ | |
16 | bool tomoyo_policy_loaded; | |
17 | ||
2c47ab93 TH |
18 | /* |
19 | * Mapping table from "enum tomoyo_mac_index" to | |
20 | * "enum tomoyo_mac_category_index". | |
21 | */ | |
22 | const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX] = { | |
23 | /* CONFIG::file group */ | |
24 | [TOMOYO_MAC_FILE_EXECUTE] = TOMOYO_MAC_CATEGORY_FILE, | |
25 | [TOMOYO_MAC_FILE_OPEN] = TOMOYO_MAC_CATEGORY_FILE, | |
26 | [TOMOYO_MAC_FILE_CREATE] = TOMOYO_MAC_CATEGORY_FILE, | |
27 | [TOMOYO_MAC_FILE_UNLINK] = TOMOYO_MAC_CATEGORY_FILE, | |
28 | [TOMOYO_MAC_FILE_GETATTR] = TOMOYO_MAC_CATEGORY_FILE, | |
29 | [TOMOYO_MAC_FILE_MKDIR] = TOMOYO_MAC_CATEGORY_FILE, | |
30 | [TOMOYO_MAC_FILE_RMDIR] = TOMOYO_MAC_CATEGORY_FILE, | |
31 | [TOMOYO_MAC_FILE_MKFIFO] = TOMOYO_MAC_CATEGORY_FILE, | |
32 | [TOMOYO_MAC_FILE_MKSOCK] = TOMOYO_MAC_CATEGORY_FILE, | |
33 | [TOMOYO_MAC_FILE_TRUNCATE] = TOMOYO_MAC_CATEGORY_FILE, | |
34 | [TOMOYO_MAC_FILE_SYMLINK] = TOMOYO_MAC_CATEGORY_FILE, | |
35 | [TOMOYO_MAC_FILE_MKBLOCK] = TOMOYO_MAC_CATEGORY_FILE, | |
36 | [TOMOYO_MAC_FILE_MKCHAR] = TOMOYO_MAC_CATEGORY_FILE, | |
37 | [TOMOYO_MAC_FILE_LINK] = TOMOYO_MAC_CATEGORY_FILE, | |
38 | [TOMOYO_MAC_FILE_RENAME] = TOMOYO_MAC_CATEGORY_FILE, | |
39 | [TOMOYO_MAC_FILE_CHMOD] = TOMOYO_MAC_CATEGORY_FILE, | |
40 | [TOMOYO_MAC_FILE_CHOWN] = TOMOYO_MAC_CATEGORY_FILE, | |
41 | [TOMOYO_MAC_FILE_CHGRP] = TOMOYO_MAC_CATEGORY_FILE, | |
42 | [TOMOYO_MAC_FILE_IOCTL] = TOMOYO_MAC_CATEGORY_FILE, | |
43 | [TOMOYO_MAC_FILE_CHROOT] = TOMOYO_MAC_CATEGORY_FILE, | |
44 | [TOMOYO_MAC_FILE_MOUNT] = TOMOYO_MAC_CATEGORY_FILE, | |
45 | [TOMOYO_MAC_FILE_UMOUNT] = TOMOYO_MAC_CATEGORY_FILE, | |
46 | [TOMOYO_MAC_FILE_PIVOT_ROOT] = TOMOYO_MAC_CATEGORY_FILE, | |
059d84db TH |
47 | /* CONFIG::network group */ |
48 | [TOMOYO_MAC_NETWORK_INET_STREAM_BIND] = | |
49 | TOMOYO_MAC_CATEGORY_NETWORK, | |
50 | [TOMOYO_MAC_NETWORK_INET_STREAM_LISTEN] = | |
51 | TOMOYO_MAC_CATEGORY_NETWORK, | |
52 | [TOMOYO_MAC_NETWORK_INET_STREAM_CONNECT] = | |
53 | TOMOYO_MAC_CATEGORY_NETWORK, | |
54 | [TOMOYO_MAC_NETWORK_INET_DGRAM_BIND] = | |
55 | TOMOYO_MAC_CATEGORY_NETWORK, | |
56 | [TOMOYO_MAC_NETWORK_INET_DGRAM_SEND] = | |
57 | TOMOYO_MAC_CATEGORY_NETWORK, | |
58 | [TOMOYO_MAC_NETWORK_INET_RAW_BIND] = | |
59 | TOMOYO_MAC_CATEGORY_NETWORK, | |
60 | [TOMOYO_MAC_NETWORK_INET_RAW_SEND] = | |
61 | TOMOYO_MAC_CATEGORY_NETWORK, | |
62 | [TOMOYO_MAC_NETWORK_UNIX_STREAM_BIND] = | |
63 | TOMOYO_MAC_CATEGORY_NETWORK, | |
64 | [TOMOYO_MAC_NETWORK_UNIX_STREAM_LISTEN] = | |
65 | TOMOYO_MAC_CATEGORY_NETWORK, | |
66 | [TOMOYO_MAC_NETWORK_UNIX_STREAM_CONNECT] = | |
67 | TOMOYO_MAC_CATEGORY_NETWORK, | |
68 | [TOMOYO_MAC_NETWORK_UNIX_DGRAM_BIND] = | |
69 | TOMOYO_MAC_CATEGORY_NETWORK, | |
70 | [TOMOYO_MAC_NETWORK_UNIX_DGRAM_SEND] = | |
71 | TOMOYO_MAC_CATEGORY_NETWORK, | |
72 | [TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_BIND] = | |
73 | TOMOYO_MAC_CATEGORY_NETWORK, | |
74 | [TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_LISTEN] = | |
75 | TOMOYO_MAC_CATEGORY_NETWORK, | |
76 | [TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_CONNECT] = | |
77 | TOMOYO_MAC_CATEGORY_NETWORK, | |
d58e0da8 TH |
78 | /* CONFIG::misc group */ |
79 | [TOMOYO_MAC_ENVIRON] = TOMOYO_MAC_CATEGORY_MISC, | |
2c47ab93 TH |
80 | }; |
81 | ||
b22b8b9f TH |
82 | /** |
83 | * tomoyo_convert_time - Convert time_t to YYYY/MM/DD hh/mm/ss. | |
84 | * | |
85 | * @time: Seconds since 1970/01/01 00:00:00. | |
86 | * @stamp: Pointer to "struct tomoyo_time". | |
87 | * | |
88 | * Returns nothing. | |
89 | * | |
90 | * This function does not handle Y2038 problem. | |
91 | */ | |
92 | void tomoyo_convert_time(time_t time, struct tomoyo_time *stamp) | |
93 | { | |
94 | static const u16 tomoyo_eom[2][12] = { | |
95 | { 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }, | |
96 | { 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 } | |
97 | }; | |
98 | u16 y; | |
99 | u8 m; | |
100 | bool r; | |
101 | stamp->sec = time % 60; | |
102 | time /= 60; | |
103 | stamp->min = time % 60; | |
104 | time /= 60; | |
105 | stamp->hour = time % 24; | |
106 | time /= 24; | |
107 | for (y = 1970; ; y++) { | |
108 | const unsigned short days = (y & 3) ? 365 : 366; | |
109 | if (time < days) | |
110 | break; | |
111 | time -= days; | |
112 | } | |
113 | r = (y & 3) == 0; | |
114 | for (m = 0; m < 11 && time >= tomoyo_eom[r][m]; m++) | |
115 | ; | |
116 | if (m) | |
117 | time -= tomoyo_eom[r][m - 1]; | |
118 | stamp->year = y; | |
119 | stamp->month = ++m; | |
120 | stamp->day = ++time; | |
121 | } | |
122 | ||
a238cf5b TH |
123 | /** |
124 | * tomoyo_permstr - Find permission keywords. | |
125 | * | |
126 | * @string: String representation for permissions in foo/bar/buz format. | |
127 | * @keyword: Keyword to find from @string/ | |
128 | * | |
129 | * Returns ture if @keyword was found in @string, false otherwise. | |
130 | * | |
131 | * This function assumes that strncmp(w1, w2, strlen(w1)) != 0 if w1 != w2. | |
132 | */ | |
133 | bool tomoyo_permstr(const char *string, const char *keyword) | |
134 | { | |
135 | const char *cp = strstr(string, keyword); | |
136 | if (cp) | |
137 | return cp == string || *(cp - 1) == '/'; | |
138 | return false; | |
139 | } | |
140 | ||
141 | /** | |
142 | * tomoyo_read_token - Read a word from a line. | |
143 | * | |
144 | * @param: Pointer to "struct tomoyo_acl_param". | |
145 | * | |
146 | * Returns a word on success, "" otherwise. | |
147 | * | |
148 | * To allow the caller to skip NULL check, this function returns "" rather than | |
149 | * NULL if there is no more words to read. | |
150 | */ | |
151 | char *tomoyo_read_token(struct tomoyo_acl_param *param) | |
152 | { | |
153 | char *pos = param->data; | |
154 | char *del = strchr(pos, ' '); | |
155 | if (del) | |
156 | *del++ = '\0'; | |
157 | else | |
158 | del = pos + strlen(pos); | |
159 | param->data = del; | |
160 | return pos; | |
161 | } | |
162 | ||
731d37aa TH |
163 | /** |
164 | * tomoyo_get_domainname - Read a domainname from a line. | |
165 | * | |
166 | * @param: Pointer to "struct tomoyo_acl_param". | |
167 | * | |
168 | * Returns a domainname on success, NULL otherwise. | |
169 | */ | |
170 | const struct tomoyo_path_info *tomoyo_get_domainname | |
171 | (struct tomoyo_acl_param *param) | |
172 | { | |
173 | char *start = param->data; | |
174 | char *pos = start; | |
175 | while (*pos) { | |
176 | if (*pos++ != ' ' || *pos++ == '/') | |
177 | continue; | |
178 | pos -= 2; | |
179 | *pos++ = '\0'; | |
180 | break; | |
181 | } | |
182 | param->data = pos; | |
183 | if (tomoyo_correct_domain(start)) | |
184 | return tomoyo_get_name(start); | |
185 | return NULL; | |
186 | } | |
187 | ||
c3ef1500 TH |
188 | /** |
189 | * tomoyo_parse_ulong - Parse an "unsigned long" value. | |
190 | * | |
191 | * @result: Pointer to "unsigned long". | |
192 | * @str: Pointer to string to parse. | |
193 | * | |
0df7e8b8 | 194 | * Returns one of values in "enum tomoyo_value_type". |
c3ef1500 TH |
195 | * |
196 | * The @src is updated to point the first character after the value | |
197 | * on success. | |
198 | */ | |
2066a361 | 199 | u8 tomoyo_parse_ulong(unsigned long *result, char **str) |
c3ef1500 TH |
200 | { |
201 | const char *cp = *str; | |
202 | char *ep; | |
203 | int base = 10; | |
204 | if (*cp == '0') { | |
205 | char c = *(cp + 1); | |
206 | if (c == 'x' || c == 'X') { | |
207 | base = 16; | |
208 | cp += 2; | |
209 | } else if (c >= '0' && c <= '7') { | |
210 | base = 8; | |
211 | cp++; | |
212 | } | |
213 | } | |
214 | *result = simple_strtoul(cp, &ep, base); | |
215 | if (cp == ep) | |
0df7e8b8 | 216 | return TOMOYO_VALUE_TYPE_INVALID; |
c3ef1500 TH |
217 | *str = ep; |
218 | switch (base) { | |
219 | case 16: | |
220 | return TOMOYO_VALUE_TYPE_HEXADECIMAL; | |
221 | case 8: | |
222 | return TOMOYO_VALUE_TYPE_OCTAL; | |
223 | default: | |
224 | return TOMOYO_VALUE_TYPE_DECIMAL; | |
225 | } | |
226 | } | |
227 | ||
228 | /** | |
229 | * tomoyo_print_ulong - Print an "unsigned long" value. | |
230 | * | |
231 | * @buffer: Pointer to buffer. | |
232 | * @buffer_len: Size of @buffer. | |
233 | * @value: An "unsigned long" value. | |
234 | * @type: Type of @value. | |
235 | * | |
236 | * Returns nothing. | |
237 | */ | |
238 | void tomoyo_print_ulong(char *buffer, const int buffer_len, | |
239 | const unsigned long value, const u8 type) | |
240 | { | |
241 | if (type == TOMOYO_VALUE_TYPE_DECIMAL) | |
242 | snprintf(buffer, buffer_len, "%lu", value); | |
243 | else if (type == TOMOYO_VALUE_TYPE_OCTAL) | |
244 | snprintf(buffer, buffer_len, "0%lo", value); | |
245 | else if (type == TOMOYO_VALUE_TYPE_HEXADECIMAL) | |
246 | snprintf(buffer, buffer_len, "0x%lX", value); | |
247 | else | |
248 | snprintf(buffer, buffer_len, "type(%u)", type); | |
249 | } | |
250 | ||
251 | /** | |
252 | * tomoyo_parse_name_union - Parse a tomoyo_name_union. | |
253 | * | |
a238cf5b TH |
254 | * @param: Pointer to "struct tomoyo_acl_param". |
255 | * @ptr: Pointer to "struct tomoyo_name_union". | |
c3ef1500 TH |
256 | * |
257 | * Returns true on success, false otherwise. | |
258 | */ | |
a238cf5b | 259 | bool tomoyo_parse_name_union(struct tomoyo_acl_param *param, |
c3ef1500 TH |
260 | struct tomoyo_name_union *ptr) |
261 | { | |
a238cf5b TH |
262 | char *filename; |
263 | if (param->data[0] == '@') { | |
264 | param->data++; | |
265 | ptr->group = tomoyo_get_group(param, TOMOYO_PATH_GROUP); | |
c3ef1500 TH |
266 | return ptr->group != NULL; |
267 | } | |
a238cf5b TH |
268 | filename = tomoyo_read_token(param); |
269 | if (!tomoyo_correct_word(filename)) | |
270 | return false; | |
c3ef1500 | 271 | ptr->filename = tomoyo_get_name(filename); |
c3ef1500 TH |
272 | return ptr->filename != NULL; |
273 | } | |
274 | ||
275 | /** | |
276 | * tomoyo_parse_number_union - Parse a tomoyo_number_union. | |
277 | * | |
a238cf5b TH |
278 | * @param: Pointer to "struct tomoyo_acl_param". |
279 | * @ptr: Pointer to "struct tomoyo_number_union". | |
c3ef1500 TH |
280 | * |
281 | * Returns true on success, false otherwise. | |
282 | */ | |
a238cf5b TH |
283 | bool tomoyo_parse_number_union(struct tomoyo_acl_param *param, |
284 | struct tomoyo_number_union *ptr) | |
c3ef1500 | 285 | { |
a238cf5b | 286 | char *data; |
c3ef1500 TH |
287 | u8 type; |
288 | unsigned long v; | |
a238cf5b TH |
289 | memset(ptr, 0, sizeof(*ptr)); |
290 | if (param->data[0] == '@') { | |
291 | param->data++; | |
292 | ptr->group = tomoyo_get_group(param, TOMOYO_NUMBER_GROUP); | |
293 | return ptr->group != NULL; | |
c3ef1500 | 294 | } |
a238cf5b | 295 | data = tomoyo_read_token(param); |
c3ef1500 | 296 | type = tomoyo_parse_ulong(&v, &data); |
a238cf5b | 297 | if (type == TOMOYO_VALUE_TYPE_INVALID) |
c3ef1500 | 298 | return false; |
a238cf5b TH |
299 | ptr->values[0] = v; |
300 | ptr->value_type[0] = type; | |
c3ef1500 | 301 | if (!*data) { |
a238cf5b TH |
302 | ptr->values[1] = v; |
303 | ptr->value_type[1] = type; | |
c3ef1500 TH |
304 | return true; |
305 | } | |
306 | if (*data++ != '-') | |
307 | return false; | |
308 | type = tomoyo_parse_ulong(&v, &data); | |
a238cf5b | 309 | if (type == TOMOYO_VALUE_TYPE_INVALID || *data || ptr->values[0] > v) |
c3ef1500 | 310 | return false; |
a238cf5b TH |
311 | ptr->values[1] = v; |
312 | ptr->value_type[1] = type; | |
c3ef1500 TH |
313 | return true; |
314 | } | |
315 | ||
316 | /** | |
75093152 | 317 | * tomoyo_byte_range - Check whether the string is a \ooo style octal value. |
c3ef1500 TH |
318 | * |
319 | * @str: Pointer to the string. | |
320 | * | |
321 | * Returns true if @str is a \ooo style octal value, false otherwise. | |
322 | * | |
323 | * TOMOYO uses \ooo style representation for 0x01 - 0x20 and 0x7F - 0xFF. | |
324 | * This function verifies that \ooo is in valid range. | |
325 | */ | |
75093152 | 326 | static inline bool tomoyo_byte_range(const char *str) |
c3ef1500 TH |
327 | { |
328 | return *str >= '0' && *str++ <= '3' && | |
329 | *str >= '0' && *str++ <= '7' && | |
330 | *str >= '0' && *str <= '7'; | |
331 | } | |
332 | ||
333 | /** | |
75093152 | 334 | * tomoyo_alphabet_char - Check whether the character is an alphabet. |
c3ef1500 TH |
335 | * |
336 | * @c: The character to check. | |
337 | * | |
338 | * Returns true if @c is an alphabet character, false otherwise. | |
339 | */ | |
75093152 | 340 | static inline bool tomoyo_alphabet_char(const char c) |
c3ef1500 TH |
341 | { |
342 | return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'); | |
343 | } | |
344 | ||
345 | /** | |
346 | * tomoyo_make_byte - Make byte value from three octal characters. | |
347 | * | |
348 | * @c1: The first character. | |
349 | * @c2: The second character. | |
350 | * @c3: The third character. | |
351 | * | |
352 | * Returns byte value. | |
353 | */ | |
354 | static inline u8 tomoyo_make_byte(const u8 c1, const u8 c2, const u8 c3) | |
355 | { | |
356 | return ((c1 - '0') << 6) + ((c2 - '0') << 3) + (c3 - '0'); | |
357 | } | |
358 | ||
0df7e8b8 TH |
359 | /** |
360 | * tomoyo_valid - Check whether the character is a valid char. | |
361 | * | |
362 | * @c: The character to check. | |
363 | * | |
364 | * Returns true if @c is a valid character, false otherwise. | |
365 | */ | |
366 | static inline bool tomoyo_valid(const unsigned char c) | |
367 | { | |
368 | return c > ' ' && c < 127; | |
369 | } | |
370 | ||
371 | /** | |
372 | * tomoyo_invalid - Check whether the character is an invalid char. | |
373 | * | |
374 | * @c: The character to check. | |
375 | * | |
376 | * Returns true if @c is an invalid character, false otherwise. | |
377 | */ | |
378 | static inline bool tomoyo_invalid(const unsigned char c) | |
379 | { | |
380 | return c && (c <= ' ' || c >= 127); | |
381 | } | |
382 | ||
c3ef1500 TH |
383 | /** |
384 | * tomoyo_str_starts - Check whether the given string starts with the given keyword. | |
385 | * | |
386 | * @src: Pointer to pointer to the string. | |
387 | * @find: Pointer to the keyword. | |
388 | * | |
389 | * Returns true if @src starts with @find, false otherwise. | |
390 | * | |
391 | * The @src is updated to point the first character after the @find | |
392 | * if @src starts with @find. | |
393 | */ | |
394 | bool tomoyo_str_starts(char **src, const char *find) | |
395 | { | |
396 | const int len = strlen(find); | |
397 | char *tmp = *src; | |
398 | ||
399 | if (strncmp(tmp, find, len)) | |
400 | return false; | |
401 | tmp += len; | |
402 | *src = tmp; | |
403 | return true; | |
404 | } | |
405 | ||
406 | /** | |
407 | * tomoyo_normalize_line - Format string. | |
408 | * | |
409 | * @buffer: The line to normalize. | |
410 | * | |
411 | * Leading and trailing whitespaces are removed. | |
412 | * Multiple whitespaces are packed into single space. | |
413 | * | |
414 | * Returns nothing. | |
415 | */ | |
416 | void tomoyo_normalize_line(unsigned char *buffer) | |
417 | { | |
418 | unsigned char *sp = buffer; | |
419 | unsigned char *dp = buffer; | |
420 | bool first = true; | |
421 | ||
75093152 | 422 | while (tomoyo_invalid(*sp)) |
c3ef1500 TH |
423 | sp++; |
424 | while (*sp) { | |
425 | if (!first) | |
426 | *dp++ = ' '; | |
427 | first = false; | |
75093152 | 428 | while (tomoyo_valid(*sp)) |
c3ef1500 | 429 | *dp++ = *sp++; |
75093152 | 430 | while (tomoyo_invalid(*sp)) |
c3ef1500 TH |
431 | sp++; |
432 | } | |
433 | *dp = '\0'; | |
434 | } | |
435 | ||
c3ef1500 | 436 | /** |
75093152 | 437 | * tomoyo_correct_word2 - Validate a string. |
c3ef1500 | 438 | * |
0f2a55d5 | 439 | * @string: The string to check. Maybe non-'\0'-terminated. |
3f629636 | 440 | * @len: Length of @string. |
c3ef1500 | 441 | * |
3f629636 TH |
442 | * Check whether the given string follows the naming rules. |
443 | * Returns true if @string follows the naming rules, false otherwise. | |
c3ef1500 | 444 | */ |
75093152 | 445 | static bool tomoyo_correct_word2(const char *string, size_t len) |
c3ef1500 | 446 | { |
3f629636 | 447 | const char *const start = string; |
c3ef1500 | 448 | bool in_repetition = false; |
c3ef1500 TH |
449 | unsigned char c; |
450 | unsigned char d; | |
451 | unsigned char e; | |
3f629636 | 452 | if (!len) |
c3ef1500 | 453 | goto out; |
3f629636 TH |
454 | while (len--) { |
455 | c = *string++; | |
c3ef1500 | 456 | if (c == '\\') { |
3f629636 TH |
457 | if (!len--) |
458 | goto out; | |
459 | c = *string++; | |
c3ef1500 TH |
460 | switch (c) { |
461 | case '\\': /* "\\" */ | |
462 | continue; | |
463 | case '$': /* "\$" */ | |
464 | case '+': /* "\+" */ | |
465 | case '?': /* "\?" */ | |
466 | case '*': /* "\*" */ | |
467 | case '@': /* "\@" */ | |
468 | case 'x': /* "\x" */ | |
469 | case 'X': /* "\X" */ | |
470 | case 'a': /* "\a" */ | |
471 | case 'A': /* "\A" */ | |
472 | case '-': /* "\-" */ | |
c3ef1500 TH |
473 | continue; |
474 | case '{': /* "/\{" */ | |
3f629636 | 475 | if (string - 3 < start || *(string - 3) != '/') |
c3ef1500 | 476 | break; |
c3ef1500 TH |
477 | in_repetition = true; |
478 | continue; | |
479 | case '}': /* "\}/" */ | |
3f629636 | 480 | if (*string != '/') |
c3ef1500 TH |
481 | break; |
482 | if (!in_repetition) | |
483 | break; | |
484 | in_repetition = false; | |
485 | continue; | |
486 | case '0': /* "\ooo" */ | |
487 | case '1': | |
488 | case '2': | |
489 | case '3': | |
3f629636 | 490 | if (!len-- || !len--) |
c3ef1500 | 491 | break; |
3f629636 TH |
492 | d = *string++; |
493 | e = *string++; | |
494 | if (d < '0' || d > '7' || e < '0' || e > '7') | |
c3ef1500 TH |
495 | break; |
496 | c = tomoyo_make_byte(c, d, e); | |
25add8cf TH |
497 | if (c <= ' ' || c >= 127) |
498 | continue; | |
c3ef1500 TH |
499 | } |
500 | goto out; | |
501 | } else if (in_repetition && c == '/') { | |
502 | goto out; | |
25add8cf | 503 | } else if (c <= ' ' || c >= 127) { |
c3ef1500 TH |
504 | goto out; |
505 | } | |
506 | } | |
c3ef1500 TH |
507 | if (in_repetition) |
508 | goto out; | |
509 | return true; | |
510 | out: | |
511 | return false; | |
512 | } | |
513 | ||
3f629636 | 514 | /** |
75093152 | 515 | * tomoyo_correct_word - Validate a string. |
3f629636 TH |
516 | * |
517 | * @string: The string to check. | |
518 | * | |
519 | * Check whether the given string follows the naming rules. | |
520 | * Returns true if @string follows the naming rules, false otherwise. | |
521 | */ | |
75093152 | 522 | bool tomoyo_correct_word(const char *string) |
3f629636 | 523 | { |
75093152 | 524 | return tomoyo_correct_word2(string, strlen(string)); |
3f629636 TH |
525 | } |
526 | ||
527 | /** | |
75093152 | 528 | * tomoyo_correct_path - Validate a pathname. |
3f629636 TH |
529 | * |
530 | * @filename: The pathname to check. | |
531 | * | |
532 | * Check whether the given pathname follows the naming rules. | |
533 | * Returns true if @filename follows the naming rules, false otherwise. | |
534 | */ | |
75093152 | 535 | bool tomoyo_correct_path(const char *filename) |
3f629636 | 536 | { |
75093152 | 537 | return *filename == '/' && tomoyo_correct_word(filename); |
3f629636 TH |
538 | } |
539 | ||
c3ef1500 | 540 | /** |
75093152 | 541 | * tomoyo_correct_domain - Check whether the given domainname follows the naming rules. |
c3ef1500 | 542 | * |
3f629636 | 543 | * @domainname: The domainname to check. |
c3ef1500 TH |
544 | * |
545 | * Returns true if @domainname follows the naming rules, false otherwise. | |
546 | */ | |
75093152 | 547 | bool tomoyo_correct_domain(const unsigned char *domainname) |
c3ef1500 | 548 | { |
bd03a3e4 TH |
549 | if (!domainname || !tomoyo_domain_def(domainname)) |
550 | return false; | |
551 | domainname = strchr(domainname, ' '); | |
552 | if (!domainname++) | |
c3ef1500 | 553 | return true; |
3f629636 TH |
554 | while (1) { |
555 | const unsigned char *cp = strchr(domainname, ' '); | |
556 | if (!cp) | |
557 | break; | |
558 | if (*domainname != '/' || | |
e77dc346 | 559 | !tomoyo_correct_word2(domainname, cp - domainname)) |
bd03a3e4 | 560 | return false; |
3f629636 TH |
561 | domainname = cp + 1; |
562 | } | |
75093152 | 563 | return tomoyo_correct_path(domainname); |
c3ef1500 TH |
564 | } |
565 | ||
566 | /** | |
75093152 | 567 | * tomoyo_domain_def - Check whether the given token can be a domainname. |
c3ef1500 TH |
568 | * |
569 | * @buffer: The token to check. | |
570 | * | |
571 | * Returns true if @buffer possibly be a domainname, false otherwise. | |
572 | */ | |
75093152 | 573 | bool tomoyo_domain_def(const unsigned char *buffer) |
c3ef1500 | 574 | { |
bd03a3e4 TH |
575 | const unsigned char *cp; |
576 | int len; | |
577 | if (*buffer != '<') | |
578 | return false; | |
579 | cp = strchr(buffer, ' '); | |
580 | if (!cp) | |
581 | len = strlen(buffer); | |
582 | else | |
583 | len = cp - buffer; | |
584 | if (buffer[len - 1] != '>' || | |
585 | !tomoyo_correct_word2(buffer + 1, len - 2)) | |
586 | return false; | |
587 | return true; | |
c3ef1500 TH |
588 | } |
589 | ||
590 | /** | |
591 | * tomoyo_find_domain - Find a domain by the given name. | |
592 | * | |
593 | * @domainname: The domainname to find. | |
594 | * | |
595 | * Returns pointer to "struct tomoyo_domain_info" if found, NULL otherwise. | |
596 | * | |
597 | * Caller holds tomoyo_read_lock(). | |
598 | */ | |
599 | struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname) | |
600 | { | |
601 | struct tomoyo_domain_info *domain; | |
602 | struct tomoyo_path_info name; | |
603 | ||
604 | name.name = domainname; | |
605 | tomoyo_fill_path_info(&name); | |
606 | list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) { | |
607 | if (!domain->is_deleted && | |
608 | !tomoyo_pathcmp(&name, domain->domainname)) | |
609 | return domain; | |
610 | } | |
611 | return NULL; | |
612 | } | |
613 | ||
614 | /** | |
615 | * tomoyo_const_part_length - Evaluate the initial length without a pattern in a token. | |
616 | * | |
617 | * @filename: The string to evaluate. | |
618 | * | |
619 | * Returns the initial length without a pattern in @filename. | |
620 | */ | |
621 | static int tomoyo_const_part_length(const char *filename) | |
622 | { | |
623 | char c; | |
624 | int len = 0; | |
625 | ||
626 | if (!filename) | |
627 | return 0; | |
628 | while ((c = *filename++) != '\0') { | |
629 | if (c != '\\') { | |
630 | len++; | |
631 | continue; | |
632 | } | |
633 | c = *filename++; | |
634 | switch (c) { | |
635 | case '\\': /* "\\" */ | |
636 | len += 2; | |
637 | continue; | |
638 | case '0': /* "\ooo" */ | |
639 | case '1': | |
640 | case '2': | |
641 | case '3': | |
642 | c = *filename++; | |
643 | if (c < '0' || c > '7') | |
644 | break; | |
645 | c = *filename++; | |
646 | if (c < '0' || c > '7') | |
647 | break; | |
648 | len += 4; | |
649 | continue; | |
650 | } | |
651 | break; | |
652 | } | |
653 | return len; | |
654 | } | |
655 | ||
656 | /** | |
657 | * tomoyo_fill_path_info - Fill in "struct tomoyo_path_info" members. | |
658 | * | |
659 | * @ptr: Pointer to "struct tomoyo_path_info" to fill in. | |
660 | * | |
661 | * The caller sets "struct tomoyo_path_info"->name. | |
662 | */ | |
663 | void tomoyo_fill_path_info(struct tomoyo_path_info *ptr) | |
664 | { | |
665 | const char *name = ptr->name; | |
666 | const int len = strlen(name); | |
667 | ||
668 | ptr->const_len = tomoyo_const_part_length(name); | |
669 | ptr->is_dir = len && (name[len - 1] == '/'); | |
670 | ptr->is_patterned = (ptr->const_len < len); | |
8387ff25 | 671 | ptr->hash = full_name_hash(NULL, name, len); |
c3ef1500 TH |
672 | } |
673 | ||
674 | /** | |
675 | * tomoyo_file_matches_pattern2 - Pattern matching without '/' character and "\-" pattern. | |
676 | * | |
677 | * @filename: The start of string to check. | |
678 | * @filename_end: The end of string to check. | |
679 | * @pattern: The start of pattern to compare. | |
680 | * @pattern_end: The end of pattern to compare. | |
681 | * | |
682 | * Returns true if @filename matches @pattern, false otherwise. | |
683 | */ | |
684 | static bool tomoyo_file_matches_pattern2(const char *filename, | |
685 | const char *filename_end, | |
686 | const char *pattern, | |
687 | const char *pattern_end) | |
688 | { | |
689 | while (filename < filename_end && pattern < pattern_end) { | |
690 | char c; | |
691 | if (*pattern != '\\') { | |
692 | if (*filename++ != *pattern++) | |
693 | return false; | |
694 | continue; | |
695 | } | |
696 | c = *filename; | |
697 | pattern++; | |
698 | switch (*pattern) { | |
699 | int i; | |
700 | int j; | |
701 | case '?': | |
702 | if (c == '/') { | |
703 | return false; | |
704 | } else if (c == '\\') { | |
705 | if (filename[1] == '\\') | |
706 | filename++; | |
75093152 | 707 | else if (tomoyo_byte_range(filename + 1)) |
c3ef1500 TH |
708 | filename += 3; |
709 | else | |
710 | return false; | |
711 | } | |
712 | break; | |
713 | case '\\': | |
714 | if (c != '\\') | |
715 | return false; | |
716 | if (*++filename != '\\') | |
717 | return false; | |
718 | break; | |
719 | case '+': | |
720 | if (!isdigit(c)) | |
721 | return false; | |
722 | break; | |
723 | case 'x': | |
724 | if (!isxdigit(c)) | |
725 | return false; | |
726 | break; | |
727 | case 'a': | |
75093152 | 728 | if (!tomoyo_alphabet_char(c)) |
c3ef1500 TH |
729 | return false; |
730 | break; | |
731 | case '0': | |
732 | case '1': | |
733 | case '2': | |
734 | case '3': | |
75093152 | 735 | if (c == '\\' && tomoyo_byte_range(filename + 1) |
c3ef1500 TH |
736 | && strncmp(filename + 1, pattern, 3) == 0) { |
737 | filename += 3; | |
738 | pattern += 2; | |
739 | break; | |
740 | } | |
741 | return false; /* Not matched. */ | |
742 | case '*': | |
743 | case '@': | |
744 | for (i = 0; i <= filename_end - filename; i++) { | |
745 | if (tomoyo_file_matches_pattern2( | |
746 | filename + i, filename_end, | |
747 | pattern + 1, pattern_end)) | |
748 | return true; | |
749 | c = filename[i]; | |
750 | if (c == '.' && *pattern == '@') | |
751 | break; | |
752 | if (c != '\\') | |
753 | continue; | |
754 | if (filename[i + 1] == '\\') | |
755 | i++; | |
75093152 | 756 | else if (tomoyo_byte_range(filename + i + 1)) |
c3ef1500 TH |
757 | i += 3; |
758 | else | |
759 | break; /* Bad pattern. */ | |
760 | } | |
761 | return false; /* Not matched. */ | |
762 | default: | |
763 | j = 0; | |
764 | c = *pattern; | |
765 | if (c == '$') { | |
766 | while (isdigit(filename[j])) | |
767 | j++; | |
768 | } else if (c == 'X') { | |
769 | while (isxdigit(filename[j])) | |
770 | j++; | |
771 | } else if (c == 'A') { | |
75093152 | 772 | while (tomoyo_alphabet_char(filename[j])) |
c3ef1500 TH |
773 | j++; |
774 | } | |
775 | for (i = 1; i <= j; i++) { | |
776 | if (tomoyo_file_matches_pattern2( | |
777 | filename + i, filename_end, | |
778 | pattern + 1, pattern_end)) | |
779 | return true; | |
780 | } | |
781 | return false; /* Not matched or bad pattern. */ | |
782 | } | |
783 | filename++; | |
784 | pattern++; | |
785 | } | |
786 | while (*pattern == '\\' && | |
787 | (*(pattern + 1) == '*' || *(pattern + 1) == '@')) | |
788 | pattern += 2; | |
789 | return filename == filename_end && pattern == pattern_end; | |
790 | } | |
791 | ||
792 | /** | |
793 | * tomoyo_file_matches_pattern - Pattern matching without '/' character. | |
794 | * | |
795 | * @filename: The start of string to check. | |
796 | * @filename_end: The end of string to check. | |
797 | * @pattern: The start of pattern to compare. | |
798 | * @pattern_end: The end of pattern to compare. | |
799 | * | |
800 | * Returns true if @filename matches @pattern, false otherwise. | |
801 | */ | |
802 | static bool tomoyo_file_matches_pattern(const char *filename, | |
803 | const char *filename_end, | |
804 | const char *pattern, | |
805 | const char *pattern_end) | |
806 | { | |
807 | const char *pattern_start = pattern; | |
808 | bool first = true; | |
809 | bool result; | |
810 | ||
811 | while (pattern < pattern_end - 1) { | |
812 | /* Split at "\-" pattern. */ | |
813 | if (*pattern++ != '\\' || *pattern++ != '-') | |
814 | continue; | |
815 | result = tomoyo_file_matches_pattern2(filename, | |
816 | filename_end, | |
817 | pattern_start, | |
818 | pattern - 2); | |
819 | if (first) | |
820 | result = !result; | |
821 | if (result) | |
822 | return false; | |
823 | first = false; | |
824 | pattern_start = pattern; | |
825 | } | |
826 | result = tomoyo_file_matches_pattern2(filename, filename_end, | |
827 | pattern_start, pattern_end); | |
828 | return first ? result : !result; | |
829 | } | |
830 | ||
831 | /** | |
832 | * tomoyo_path_matches_pattern2 - Do pathname pattern matching. | |
833 | * | |
834 | * @f: The start of string to check. | |
835 | * @p: The start of pattern to compare. | |
836 | * | |
837 | * Returns true if @f matches @p, false otherwise. | |
838 | */ | |
839 | static bool tomoyo_path_matches_pattern2(const char *f, const char *p) | |
840 | { | |
841 | const char *f_delimiter; | |
842 | const char *p_delimiter; | |
843 | ||
844 | while (*f && *p) { | |
845 | f_delimiter = strchr(f, '/'); | |
846 | if (!f_delimiter) | |
847 | f_delimiter = f + strlen(f); | |
848 | p_delimiter = strchr(p, '/'); | |
849 | if (!p_delimiter) | |
850 | p_delimiter = p + strlen(p); | |
851 | if (*p == '\\' && *(p + 1) == '{') | |
852 | goto recursive; | |
853 | if (!tomoyo_file_matches_pattern(f, f_delimiter, p, | |
854 | p_delimiter)) | |
855 | return false; | |
856 | f = f_delimiter; | |
857 | if (*f) | |
858 | f++; | |
859 | p = p_delimiter; | |
860 | if (*p) | |
861 | p++; | |
862 | } | |
863 | /* Ignore trailing "\*" and "\@" in @pattern. */ | |
864 | while (*p == '\\' && | |
865 | (*(p + 1) == '*' || *(p + 1) == '@')) | |
866 | p += 2; | |
867 | return !*f && !*p; | |
868 | recursive: | |
869 | /* | |
870 | * The "\{" pattern is permitted only after '/' character. | |
871 | * This guarantees that below "*(p - 1)" is safe. | |
872 | * Also, the "\}" pattern is permitted only before '/' character | |
873 | * so that "\{" + "\}" pair will not break the "\-" operator. | |
874 | */ | |
875 | if (*(p - 1) != '/' || p_delimiter <= p + 3 || *p_delimiter != '/' || | |
876 | *(p_delimiter - 1) != '}' || *(p_delimiter - 2) != '\\') | |
877 | return false; /* Bad pattern. */ | |
878 | do { | |
879 | /* Compare current component with pattern. */ | |
880 | if (!tomoyo_file_matches_pattern(f, f_delimiter, p + 2, | |
881 | p_delimiter - 2)) | |
882 | break; | |
883 | /* Proceed to next component. */ | |
884 | f = f_delimiter; | |
885 | if (!*f) | |
886 | break; | |
887 | f++; | |
888 | /* Continue comparison. */ | |
889 | if (tomoyo_path_matches_pattern2(f, p_delimiter + 1)) | |
890 | return true; | |
891 | f_delimiter = strchr(f, '/'); | |
892 | } while (f_delimiter); | |
893 | return false; /* Not matched. */ | |
894 | } | |
895 | ||
896 | /** | |
897 | * tomoyo_path_matches_pattern - Check whether the given filename matches the given pattern. | |
898 | * | |
899 | * @filename: The filename to check. | |
900 | * @pattern: The pattern to compare. | |
901 | * | |
902 | * Returns true if matches, false otherwise. | |
903 | * | |
904 | * The following patterns are available. | |
905 | * \\ \ itself. | |
906 | * \ooo Octal representation of a byte. | |
907 | * \* Zero or more repetitions of characters other than '/'. | |
908 | * \@ Zero or more repetitions of characters other than '/' or '.'. | |
909 | * \? 1 byte character other than '/'. | |
910 | * \$ One or more repetitions of decimal digits. | |
911 | * \+ 1 decimal digit. | |
912 | * \X One or more repetitions of hexadecimal digits. | |
913 | * \x 1 hexadecimal digit. | |
914 | * \A One or more repetitions of alphabet characters. | |
915 | * \a 1 alphabet character. | |
916 | * | |
917 | * \- Subtraction operator. | |
918 | * | |
919 | * /\{dir\}/ '/' + 'One or more repetitions of dir/' (e.g. /dir/ /dir/dir/ | |
920 | * /dir/dir/dir/ ). | |
921 | */ | |
922 | bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename, | |
923 | const struct tomoyo_path_info *pattern) | |
924 | { | |
925 | const char *f = filename->name; | |
926 | const char *p = pattern->name; | |
927 | const int len = pattern->const_len; | |
928 | ||
929 | /* If @pattern doesn't contain pattern, I can use strcmp(). */ | |
930 | if (!pattern->is_patterned) | |
931 | return !tomoyo_pathcmp(filename, pattern); | |
932 | /* Don't compare directory and non-directory. */ | |
933 | if (filename->is_dir != pattern->is_dir) | |
934 | return false; | |
935 | /* Compare the initial length without patterns. */ | |
936 | if (strncmp(f, p, len)) | |
937 | return false; | |
938 | f += len; | |
939 | p += len; | |
940 | return tomoyo_path_matches_pattern2(f, p); | |
941 | } | |
942 | ||
943 | /** | |
944 | * tomoyo_get_exe - Get tomoyo_realpath() of current process. | |
945 | * | |
946 | * Returns the tomoyo_realpath() of current process on success, NULL otherwise. | |
947 | * | |
948 | * This function uses kzalloc(), so the caller must call kfree() | |
949 | * if this function didn't return NULL. | |
950 | */ | |
951 | const char *tomoyo_get_exe(void) | |
952 | { | |
d4144ea6 DB |
953 | struct file *exe_file; |
954 | const char *cp; | |
c3ef1500 | 955 | struct mm_struct *mm = current->mm; |
c3ef1500 TH |
956 | |
957 | if (!mm) | |
958 | return NULL; | |
d4144ea6 DB |
959 | exe_file = get_mm_exe_file(mm); |
960 | if (!exe_file) | |
961 | return NULL; | |
962 | ||
963 | cp = tomoyo_realpath_from_path(&exe_file->f_path); | |
964 | fput(exe_file); | |
c3ef1500 TH |
965 | return cp; |
966 | } | |
967 | ||
57c2590f TH |
968 | /** |
969 | * tomoyo_get_mode - Get MAC mode. | |
970 | * | |
bd03a3e4 | 971 | * @ns: Pointer to "struct tomoyo_policy_namespace". |
57c2590f TH |
972 | * @profile: Profile number. |
973 | * @index: Index number of functionality. | |
974 | * | |
975 | * Returns mode. | |
976 | */ | |
bd03a3e4 TH |
977 | int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile, |
978 | const u8 index) | |
57c2590f TH |
979 | { |
980 | u8 mode; | |
d58e0da8 TH |
981 | struct tomoyo_profile *p; |
982 | ||
57c2590f TH |
983 | if (!tomoyo_policy_loaded) |
984 | return TOMOYO_CONFIG_DISABLED; | |
d58e0da8 TH |
985 | p = tomoyo_profile(ns, profile); |
986 | mode = p->config[index]; | |
57c2590f | 987 | if (mode == TOMOYO_CONFIG_USE_DEFAULT) |
d58e0da8 TH |
988 | mode = p->config[tomoyo_index2category[index] |
989 | + TOMOYO_MAX_MAC_INDEX]; | |
57c2590f | 990 | if (mode == TOMOYO_CONFIG_USE_DEFAULT) |
d58e0da8 | 991 | mode = p->default_config; |
57c2590f TH |
992 | return mode & 3; |
993 | } | |
994 | ||
c3ef1500 TH |
995 | /** |
996 | * tomoyo_init_request_info - Initialize "struct tomoyo_request_info" members. | |
997 | * | |
998 | * @r: Pointer to "struct tomoyo_request_info" to initialize. | |
999 | * @domain: Pointer to "struct tomoyo_domain_info". NULL for tomoyo_domain(). | |
57c2590f | 1000 | * @index: Index number of functionality. |
c3ef1500 TH |
1001 | * |
1002 | * Returns mode. | |
1003 | */ | |
1004 | int tomoyo_init_request_info(struct tomoyo_request_info *r, | |
57c2590f | 1005 | struct tomoyo_domain_info *domain, const u8 index) |
c3ef1500 | 1006 | { |
57c2590f | 1007 | u8 profile; |
c3ef1500 TH |
1008 | memset(r, 0, sizeof(*r)); |
1009 | if (!domain) | |
1010 | domain = tomoyo_domain(); | |
1011 | r->domain = domain; | |
57c2590f TH |
1012 | profile = domain->profile; |
1013 | r->profile = profile; | |
1014 | r->type = index; | |
bd03a3e4 | 1015 | r->mode = tomoyo_get_mode(domain->ns, profile, index); |
c3ef1500 TH |
1016 | return r->mode; |
1017 | } | |
1018 | ||
c3ef1500 TH |
1019 | /** |
1020 | * tomoyo_domain_quota_is_ok - Check for domain's quota. | |
1021 | * | |
1022 | * @r: Pointer to "struct tomoyo_request_info". | |
1023 | * | |
1024 | * Returns true if the domain is not exceeded quota, false otherwise. | |
1025 | * | |
1026 | * Caller holds tomoyo_read_lock(). | |
1027 | */ | |
1028 | bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r) | |
1029 | { | |
1030 | unsigned int count = 0; | |
1031 | struct tomoyo_domain_info *domain = r->domain; | |
1032 | struct tomoyo_acl_info *ptr; | |
1033 | ||
1034 | if (r->mode != TOMOYO_CONFIG_LEARNING) | |
1035 | return false; | |
1036 | if (!domain) | |
1037 | return true; | |
1038 | list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) { | |
7c75964f TH |
1039 | u16 perm; |
1040 | u8 i; | |
7e3d199a | 1041 | if (ptr->is_deleted) |
237ab459 | 1042 | continue; |
c3ef1500 | 1043 | switch (ptr->type) { |
c3ef1500 TH |
1044 | case TOMOYO_TYPE_PATH_ACL: |
1045 | perm = container_of(ptr, struct tomoyo_path_acl, head) | |
1046 | ->perm; | |
c3ef1500 TH |
1047 | break; |
1048 | case TOMOYO_TYPE_PATH2_ACL: | |
1049 | perm = container_of(ptr, struct tomoyo_path2_acl, head) | |
1050 | ->perm; | |
c3ef1500 TH |
1051 | break; |
1052 | case TOMOYO_TYPE_PATH_NUMBER_ACL: | |
1053 | perm = container_of(ptr, struct tomoyo_path_number_acl, | |
1054 | head)->perm; | |
c3ef1500 | 1055 | break; |
75093152 TH |
1056 | case TOMOYO_TYPE_MKDEV_ACL: |
1057 | perm = container_of(ptr, struct tomoyo_mkdev_acl, | |
c3ef1500 | 1058 | head)->perm; |
c3ef1500 | 1059 | break; |
545a7260 TH |
1060 | case TOMOYO_TYPE_INET_ACL: |
1061 | perm = container_of(ptr, struct tomoyo_inet_acl, | |
1062 | head)->perm; | |
1063 | break; | |
1064 | case TOMOYO_TYPE_UNIX_ACL: | |
1065 | perm = container_of(ptr, struct tomoyo_unix_acl, | |
1066 | head)->perm; | |
1067 | break; | |
1068 | case TOMOYO_TYPE_MANUAL_TASK_ACL: | |
1069 | perm = 0; | |
1070 | break; | |
237ab459 | 1071 | default: |
7c75964f | 1072 | perm = 1; |
c3ef1500 | 1073 | } |
7c75964f TH |
1074 | for (i = 0; i < 16; i++) |
1075 | if (perm & (1 << i)) | |
1076 | count++; | |
c3ef1500 | 1077 | } |
bd03a3e4 | 1078 | if (count < tomoyo_profile(domain->ns, domain->profile)-> |
d5ca1725 | 1079 | pref[TOMOYO_PREF_MAX_LEARNING_ENTRY]) |
c3ef1500 | 1080 | return true; |
2c47ab93 TH |
1081 | if (!domain->flags[TOMOYO_DIF_QUOTA_WARNED]) { |
1082 | domain->flags[TOMOYO_DIF_QUOTA_WARNED] = true; | |
1083 | /* r->granted = false; */ | |
1084 | tomoyo_write_log(r, "%s", tomoyo_dif[TOMOYO_DIF_QUOTA_WARNED]); | |
1085 | printk(KERN_WARNING "WARNING: " | |
d5ca1725 | 1086 | "Domain '%s' has too many ACLs to hold. " |
c3ef1500 TH |
1087 | "Stopped learning mode.\n", domain->domainname->name); |
1088 | } | |
1089 | return false; | |
1090 | } |