3 |
* |
* |
4 |
* Common functions for SAKURA and TOMOYO. |
* Common functions for SAKURA and TOMOYO. |
5 |
* |
* |
6 |
* Copyright (C) 2005-2007 NTT DATA CORPORATION |
* Copyright (C) 2005-2008 NTT DATA CORPORATION |
7 |
* |
* |
8 |
* Version: 1.5.3-pre 2007/12/18 |
* Version: 1.6.0-pre 2008/02/28 |
9 |
* |
* |
10 |
* This file is applicable to both 2.4.30 and 2.6.11 and later. |
* This file is applicable to both 2.4.30 and 2.6.11 and later. |
11 |
* See README.ccs for ChangeLog. |
* See README.ccs for ChangeLog. |
32 |
#include <linux/ccs_common.h> |
#include <linux/ccs_common.h> |
33 |
#include <linux/ccs_proc.h> |
#include <linux/ccs_proc.h> |
34 |
#include <linux/tomoyo.h> |
#include <linux/tomoyo.h> |
35 |
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) |
36 |
|
#define find_task_by_pid find_task_by_vpid |
37 |
|
#endif |
38 |
|
|
39 |
#ifdef CONFIG_TOMOYO_MAX_ACCEPT_ENTRY |
#ifdef CONFIG_TOMOYO_MAX_ACCEPT_ENTRY |
40 |
#define MAX_ACCEPT_ENTRY (CONFIG_TOMOYO_MAX_ACCEPT_ENTRY) |
#define MAX_ACCEPT_ENTRY (CONFIG_TOMOYO_MAX_ACCEPT_ENTRY) |
55 |
/************************* VARIABLES *************************/ |
/************************* VARIABLES *************************/ |
56 |
|
|
57 |
/* /sbin/init started? */ |
/* /sbin/init started? */ |
58 |
int sbin_init_started = 0; |
bool sbin_init_started = false; |
59 |
|
|
60 |
const char *ccs_log_level = KERN_DEBUG; |
const char *ccs_log_level = KERN_DEBUG; |
61 |
|
|
92 |
}; |
}; |
93 |
|
|
94 |
static struct profile *profile_ptr[MAX_PROFILES]; |
static struct profile *profile_ptr[MAX_PROFILES]; |
95 |
|
static bool manage_by_non_root = false; |
96 |
|
|
97 |
/************************* UTILITY FUNCTIONS *************************/ |
/************************* UTILITY FUNCTIONS *************************/ |
98 |
|
|
106 |
__setup("TOMOYO_QUIET", TOMOYO_Quiet_Setup); |
__setup("TOMOYO_QUIET", TOMOYO_Quiet_Setup); |
107 |
#endif |
#endif |
108 |
|
|
|
/* Am I root? */ |
|
|
static int isRoot(void) |
|
|
{ |
|
|
return !current->uid && !current->euid; |
|
|
} |
|
|
|
|
109 |
/* |
/* |
110 |
* Format string. |
* Format string. |
111 |
* Leading and trailing whitespaces are removed. |
* Leading and trailing whitespaces are removed. |
114 |
static void NormalizeLine(unsigned char *buffer) |
static void NormalizeLine(unsigned char *buffer) |
115 |
{ |
{ |
116 |
unsigned char *sp = buffer, *dp = buffer; |
unsigned char *sp = buffer, *dp = buffer; |
117 |
int first = 1; |
bool first = true; |
118 |
while (*sp && (*sp <= ' ' || *sp >= 127)) sp++; |
while (*sp && (*sp <= ' ' || *sp >= 127)) sp++; |
119 |
while (*sp) { |
while (*sp) { |
120 |
if (!first) *dp++ = ' '; |
if (!first) *dp++ = ' '; |
121 |
first = 0; |
first = false; |
122 |
while (*sp > ' ' && *sp < 127) *dp++ = *sp++; |
while (*sp > ' ' && *sp < 127) *dp++ = *sp++; |
123 |
while (*sp && (*sp <= ' ' || *sp >= 127)) sp++; |
while (*sp && (*sp <= ' ' || *sp >= 127)) sp++; |
124 |
} |
} |
127 |
|
|
128 |
/* |
/* |
129 |
* Check whether the given filename follows the naming rules. |
* Check whether the given filename follows the naming rules. |
130 |
* Returns nonzero if follows, zero otherwise. |
* Returns true if follows, false otherwise. |
131 |
*/ |
*/ |
132 |
bool IsCorrectPath(const char *filename, const int start_type, const int pattern_type, const int end_type, const char *function) |
bool IsCorrectPath(const char *filename, const s8 start_type, const s8 pattern_type, const s8 end_type, const char *function) |
133 |
{ |
{ |
134 |
int contains_pattern = 0; |
bool contains_pattern = false; |
135 |
char c, d, e; |
char c, d, e; |
136 |
const char *original_filename = filename; |
const char *original_filename = filename; |
137 |
if (!filename) goto out; |
if (!filename) goto out; |
163 |
case 'A': /* "\A" */ |
case 'A': /* "\A" */ |
164 |
case '-': /* "\-" */ |
case '-': /* "\-" */ |
165 |
if (pattern_type == -1) break; /* Must not contain pattern */ |
if (pattern_type == -1) break; /* Must not contain pattern */ |
166 |
contains_pattern = 1; |
contains_pattern = true; |
167 |
continue; |
continue; |
168 |
case '0': /* "\ooo" */ |
case '0': /* "\ooo" */ |
169 |
case '1': |
case '1': |
185 |
if (pattern_type == 1) { /* Must contain pattern */ |
if (pattern_type == 1) { /* Must contain pattern */ |
186 |
if (!contains_pattern) goto out; |
if (!contains_pattern) goto out; |
187 |
} |
} |
188 |
return 1; |
return true; |
189 |
out: |
out: |
190 |
printk(KERN_DEBUG "%s: Invalid pathname '%s'\n", function, original_filename); |
printk(KERN_DEBUG "%s: Invalid pathname '%s'\n", function, original_filename); |
191 |
return 0; |
return false; |
192 |
} |
} |
193 |
|
|
194 |
/* |
/* |
195 |
* Check whether the given domainname follows the naming rules. |
* Check whether the given domainname follows the naming rules. |
196 |
* Returns nonzero if follows, zero otherwise. |
* Returns true if follows, false otherwise. |
197 |
*/ |
*/ |
198 |
bool IsCorrectDomain(const unsigned char *domainname, const char *function) |
bool IsCorrectDomain(const unsigned char *domainname, const char *function) |
199 |
{ |
{ |
201 |
const char *org_domainname = domainname; |
const char *org_domainname = domainname; |
202 |
if (!domainname || strncmp(domainname, ROOT_NAME, ROOT_NAME_LEN)) goto out; |
if (!domainname || strncmp(domainname, ROOT_NAME, ROOT_NAME_LEN)) goto out; |
203 |
domainname += ROOT_NAME_LEN; |
domainname += ROOT_NAME_LEN; |
204 |
if (!*domainname) return 1; |
if (!*domainname) return true; |
205 |
do { |
do { |
206 |
if (*domainname++ != ' ') goto out; |
if (*domainname++ != ' ') goto out; |
207 |
if (*domainname++ != '/') goto out; |
if (*domainname++ != '/') goto out; |
229 |
} |
} |
230 |
} |
} |
231 |
} while (*domainname); |
} while (*domainname); |
232 |
return 1; |
return true; |
233 |
out: |
out: |
234 |
printk(KERN_DEBUG "%s: Invalid domainname '%s'\n", function, org_domainname); |
printk(KERN_DEBUG "%s: Invalid domainname '%s'\n", function, org_domainname); |
235 |
return 0; |
return false; |
236 |
} |
} |
237 |
|
|
238 |
bool IsDomainDef(const unsigned char *buffer) |
bool IsDomainDef(const unsigned char *buffer) |
300 |
ptr->depth = PathDepth(name); |
ptr->depth = PathDepth(name); |
301 |
} |
} |
302 |
|
|
303 |
static int FileMatchesToPattern2(const char *filename, const char *filename_end, const char *pattern, const char *pattern_end) |
static bool FileMatchesToPattern2(const char *filename, const char *filename_end, const char *pattern, const char *pattern_end) |
304 |
{ |
{ |
305 |
while (filename < filename_end && pattern < pattern_end) { |
while (filename < filename_end && pattern < pattern_end) { |
306 |
if (*pattern != '\\') { |
if (*pattern != '\\') { |
307 |
if (*filename++ != *pattern++) return 0; |
if (*filename++ != *pattern++) return false; |
308 |
} else { |
} else { |
309 |
char c = *filename; |
char c = *filename; |
310 |
pattern++; |
pattern++; |
311 |
switch (*pattern) { |
switch (*pattern) { |
312 |
case '?': |
case '?': |
313 |
if (c == '/') { |
if (c == '/') { |
314 |
return 0; |
return false; |
315 |
} else if (c == '\\') { |
} else if (c == '\\') { |
316 |
if ((c = filename[1]) == '\\') { |
if ((c = filename[1]) == '\\') { |
317 |
filename++; /* safe because filename is \\ */ |
filename++; /* safe because filename is \\ */ |
318 |
} else if (c >= '0' && c <= '3' && (c = filename[2]) >= '0' && c <= '7' && (c = filename[3]) >= '0' && c <= '7') { |
} else if (c >= '0' && c <= '3' && (c = filename[2]) >= '0' && c <= '7' && (c = filename[3]) >= '0' && c <= '7') { |
319 |
filename += 3; /* safe because filename is \ooo */ |
filename += 3; /* safe because filename is \ooo */ |
320 |
} else { |
} else { |
321 |
return 0; |
return false; |
322 |
} |
} |
323 |
} |
} |
324 |
break; |
break; |
325 |
case '\\': |
case '\\': |
326 |
if (c != '\\') return 0; |
if (c != '\\') return false; |
327 |
if (*++filename != '\\') return 0; /* safe because *filename != '\0' */ |
if (*++filename != '\\') return false; /* safe because *filename != '\0' */ |
328 |
break; |
break; |
329 |
case '+': |
case '+': |
330 |
if (c < '0' || c > '9') return 0; |
if (c < '0' || c > '9') return false; |
331 |
break; |
break; |
332 |
case 'x': |
case 'x': |
333 |
if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))) return 0; |
if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))) return false; |
334 |
break; |
break; |
335 |
case 'a': |
case 'a': |
336 |
if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'))) return 0; |
if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'))) return false; |
337 |
break; |
break; |
338 |
case '0': |
case '0': |
339 |
case '1': |
case '1': |
346 |
pattern += 2; /* safe because pattern is \ooo */ |
pattern += 2; /* safe because pattern is \ooo */ |
347 |
break; |
break; |
348 |
} |
} |
349 |
return 0; /* Not matched. */ |
return false; /* Not matched. */ |
350 |
case '*': |
case '*': |
351 |
case '@': |
case '@': |
352 |
{ |
{ |
353 |
int i; |
int i; |
354 |
for (i = 0; i <= filename_end - filename; i++) { |
for (i = 0; i <= filename_end - filename; i++) { |
355 |
if (FileMatchesToPattern2(filename + i, filename_end, pattern + 1, pattern_end)) return 1; |
if (FileMatchesToPattern2(filename + i, filename_end, pattern + 1, pattern_end)) return true; |
356 |
if ((c = filename[i]) == '.' && *pattern == '@') break; |
if ((c = filename[i]) == '.' && *pattern == '@') break; |
357 |
if (c == '\\') { |
if (c == '\\') { |
358 |
if ((c = filename[i + 1]) == '\\') { |
if ((c = filename[i + 1]) == '\\') { |
364 |
} |
} |
365 |
} |
} |
366 |
} |
} |
367 |
return 0; /* Not matched. */ |
return false; /* Not matched. */ |
368 |
} |
} |
369 |
default: |
default: |
370 |
{ |
{ |
377 |
while (((c = filename[j]) >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) j++; |
while (((c = filename[j]) >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) j++; |
378 |
} |
} |
379 |
for (i = 1; i <= j; i++) { |
for (i = 1; i <= j; i++) { |
380 |
if (FileMatchesToPattern2(filename + i, filename_end, pattern + 1, pattern_end)) return 1; |
if (FileMatchesToPattern2(filename + i, filename_end, pattern + 1, pattern_end)) return true; |
381 |
} |
} |
382 |
} |
} |
383 |
return 0; /* Not matched or bad pattern. */ |
return false; /* Not matched or bad pattern. */ |
384 |
} |
} |
385 |
filename++; /* safe because *filename != '\0' */ |
filename++; /* safe because *filename != '\0' */ |
386 |
pattern++; /* safe because *pattern != '\0' */ |
pattern++; /* safe because *pattern != '\0' */ |
390 |
return (filename == filename_end && pattern == pattern_end); |
return (filename == filename_end && pattern == pattern_end); |
391 |
} |
} |
392 |
|
|
393 |
static int FileMatchesToPattern(const char *filename, const char *filename_end, const char *pattern, const char *pattern_end) |
static bool FileMatchesToPattern(const char *filename, const char *filename_end, const char *pattern, const char *pattern_end) |
394 |
{ |
{ |
395 |
const char *pattern_start = pattern; |
const char *pattern_start = pattern; |
396 |
int first = 1; |
bool first = true; |
397 |
int result; |
bool result; |
398 |
while (pattern < pattern_end - 1) { |
while (pattern < pattern_end - 1) { |
399 |
if (*pattern++ != '\\' || *pattern++ != '-') continue; |
if (*pattern++ != '\\' || *pattern++ != '-') continue; |
400 |
result = FileMatchesToPattern2(filename, filename_end, pattern_start, pattern - 2); |
result = FileMatchesToPattern2(filename, filename_end, pattern_start, pattern - 2); |
401 |
if (first) result = !result; |
if (first) result = !result; |
402 |
if (result) return 0; |
if (result) return false; |
403 |
first = 0; |
first = false; |
404 |
pattern_start = pattern; |
pattern_start = pattern; |
405 |
} |
} |
406 |
result = FileMatchesToPattern2(filename, filename_end, pattern_start, pattern_end); |
result = FileMatchesToPattern2(filename, filename_end, pattern_start, pattern_end); |
409 |
|
|
410 |
/* |
/* |
411 |
* Check whether the given pathname matches to the given pattern. |
* Check whether the given pathname matches to the given pattern. |
412 |
* Returns nonzero if matches, zero otherwise. |
* Returns true if matches, false otherwise. |
413 |
* |
* |
414 |
* The following patterns are available. |
* The following patterns are available. |
415 |
* \\ \ itself. |
* \\ \ itself. |
426 |
* \- Subtraction operator. |
* \- Subtraction operator. |
427 |
*/ |
*/ |
428 |
|
|
429 |
int PathMatchesToPattern(const struct path_info *pathname0, const struct path_info *pattern0) |
bool PathMatchesToPattern(const struct path_info *pathname0, const struct path_info *pattern0) |
430 |
{ |
{ |
431 |
/* if (!pathname || !pattern) return 0; */ |
/* if (!pathname || !pattern) return false; */ |
432 |
const char *pathname = pathname0->name, *pattern = pattern0->name; |
const char *pathname = pathname0->name, *pattern = pattern0->name; |
433 |
const int len = pattern0->const_len; |
const int len = pattern0->const_len; |
434 |
if (!pattern0->is_patterned) return !pathcmp(pathname0, pattern0); |
if (!pattern0->is_patterned) return !pathcmp(pathname0, pattern0); |
435 |
if (pathname0->depth != pattern0->depth) return 0; |
if (pathname0->depth != pattern0->depth) return false; |
436 |
if (strncmp(pathname, pattern, len)) return 0; |
if (strncmp(pathname, pattern, len)) return false; |
437 |
pathname += len; pattern += len; |
pathname += len; pattern += len; |
438 |
while (*pathname && *pattern) { |
while (*pathname && *pattern) { |
439 |
const char *pathname_delimiter = strchr(pathname, '/'), *pattern_delimiter = strchr(pattern, '/'); |
const char *pathname_delimiter = strchr(pathname, '/'), *pattern_delimiter = strchr(pattern, '/'); |
440 |
if (!pathname_delimiter) pathname_delimiter = strchr(pathname, '\0'); |
if (!pathname_delimiter) pathname_delimiter = strchr(pathname, '\0'); |
441 |
if (!pattern_delimiter) pattern_delimiter = strchr(pattern, '\0'); |
if (!pattern_delimiter) pattern_delimiter = strchr(pattern, '\0'); |
442 |
if (!FileMatchesToPattern(pathname, pathname_delimiter, pattern, pattern_delimiter)) return 0; |
if (!FileMatchesToPattern(pathname, pathname_delimiter, pattern, pattern_delimiter)) return false; |
443 |
pathname = *pathname_delimiter ? pathname_delimiter + 1 : pathname_delimiter; |
pathname = *pathname_delimiter ? pathname_delimiter + 1 : pathname_delimiter; |
444 |
pattern = *pattern_delimiter ? pattern_delimiter + 1 : pattern_delimiter; |
pattern = *pattern_delimiter ? pattern_delimiter + 1 : pattern_delimiter; |
445 |
} |
} |
501 |
/************************* DOMAIN POLICY HANDLER *************************/ |
/************************* DOMAIN POLICY HANDLER *************************/ |
502 |
|
|
503 |
/* Check whether the given access control is enabled. */ |
/* Check whether the given access control is enabled. */ |
504 |
unsigned int CheckCCSFlags(const unsigned int index) |
unsigned int CheckCCSFlags_NoSleepCheck(const u8 index) |
505 |
{ |
{ |
506 |
const u8 profile = current->domain_info->profile; |
const u8 profile = current->domain_info->profile; |
507 |
return sbin_init_started && index < CCS_MAX_CONTROL_INDEX |
return sbin_init_started && index < CCS_MAX_CONTROL_INDEX |
511 |
&& profile_ptr[profile] ? profile_ptr[profile]->value[index] : 0; |
&& profile_ptr[profile] ? profile_ptr[profile]->value[index] : 0; |
512 |
} |
} |
513 |
|
|
514 |
bool TomoyoVerboseMode(void) |
unsigned int CheckCCSFlags(const u8 index) |
515 |
{ |
{ |
516 |
return CheckCCSFlags(CCS_TOMOYO_VERBOSE) != 0; |
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) |
517 |
|
if (unlikely(in_interrupt())) |
518 |
|
#else |
519 |
|
if (unlikely(in_atomic())) |
520 |
|
#endif |
521 |
|
{ |
522 |
|
static u8 count = 20; |
523 |
|
if (count) { |
524 |
|
count--; |
525 |
|
printk(KERN_ERR "BUG: sleeping function called from invalid context.\n"); |
526 |
|
dump_stack(); |
527 |
|
} |
528 |
|
/* Return 0 so that no MAC checks are performed. */ |
529 |
|
return 0; |
530 |
|
} |
531 |
|
return CheckCCSFlags_NoSleepCheck(index); |
532 |
} |
} |
533 |
|
|
534 |
/* Check whether the given access control is enforce mode. */ |
bool TomoyoVerboseMode(void) |
|
bool CheckCCSEnforce(const unsigned int index) |
|
535 |
{ |
{ |
536 |
return CheckCCSFlags(index) == 3; |
return CheckCCSFlags(CCS_TOMOYO_VERBOSE) != 0; |
537 |
} |
} |
538 |
|
|
539 |
bool CheckDomainQuota(struct domain_info * const domain) |
bool CheckDomainQuota(struct domain_info * const domain) |
540 |
{ |
{ |
541 |
unsigned int count = 0; |
unsigned int count = 0; |
542 |
struct acl_info *ptr; |
struct acl_info *ptr; |
543 |
if (!domain) return 1; |
if (!domain) return true; |
544 |
list1_for_each_entry(ptr, &domain->acl_info_list, list) { |
list1_for_each_entry(ptr, &domain->acl_info_list, list) { |
545 |
if (!ptr->is_deleted) count++; |
if (!(ptr->type & ACL_DELETED)) count++; |
546 |
} |
} |
547 |
if (count < CheckCCSFlags(CCS_TOMOYO_MAX_ACCEPT_ENTRY)) return 1; |
if (count < CheckCCSFlags(CCS_TOMOYO_MAX_ACCEPT_ENTRY)) return true; |
548 |
if (!domain->quota_warned) { |
if (!domain->quota_warned) { |
549 |
domain->quota_warned = 1; |
domain->quota_warned = true; |
550 |
printk("TOMOYO-WARNING: Domain '%s' has so many ACLs to hold. Stopped learning mode.\n", domain->domainname->name); |
printk("TOMOYO-WARNING: Domain '%s' has so many ACLs to hold. Stopped learning mode.\n", domain->domainname->name); |
551 |
} |
} |
552 |
return 0; |
return false; |
|
} |
|
|
|
|
|
/* Check whether the given access control is learning mode. */ |
|
|
bool CheckCCSAccept(const unsigned int index, struct domain_info * const domain) |
|
|
{ |
|
|
if (CheckCCSFlags(index) != 1) return 0; |
|
|
return CheckDomainQuota(domain); |
|
553 |
} |
} |
554 |
|
|
555 |
static struct profile *FindOrAssignNewProfile(const unsigned int profile) |
static struct profile *FindOrAssignNewProfile(const unsigned int profile) |
577 |
unsigned int i, value; |
unsigned int i, value; |
578 |
char *cp; |
char *cp; |
579 |
struct profile *profile; |
struct profile *profile; |
|
if (!isRoot()) return -EPERM; |
|
580 |
i = simple_strtoul(data, &cp, 10); |
i = simple_strtoul(data, &cp, 10); |
581 |
if (data != cp) { |
if (data != cp) { |
582 |
if (*cp != '-') return -EINVAL; |
if (*cp != '-') return -EINVAL; |
619 |
|
|
620 |
static int ReadProfile(struct io_buffer *head) |
static int ReadProfile(struct io_buffer *head) |
621 |
{ |
{ |
622 |
if (!head->read_eof) { |
int step; |
623 |
if (!isRoot()) return -EPERM; |
if (head->read_eof) return 0; |
624 |
if (!head->read_var2) { |
if (head->read_var2) goto print_capability; |
625 |
int step; |
for (step = head->read_step; step < MAX_PROFILES * CCS_MAX_CONTROL_INDEX; step++) { |
626 |
for (step = head->read_step; step < MAX_PROFILES * CCS_MAX_CONTROL_INDEX; step++) { |
const int i = step / CCS_MAX_CONTROL_INDEX, j = step % CCS_MAX_CONTROL_INDEX; |
627 |
const int i = step / CCS_MAX_CONTROL_INDEX, j = step % CCS_MAX_CONTROL_INDEX; |
const struct profile *profile = profile_ptr[i]; |
628 |
const struct profile *profile = profile_ptr[i]; |
head->read_step = step; |
629 |
head->read_step = step; |
if (!profile) continue; |
630 |
if (!profile) continue; |
switch (j) { |
631 |
switch (j) { |
case -1: /* Dummy */ |
|
case -1: /* Dummy */ |
|
632 |
#ifndef CONFIG_SAKURA |
#ifndef CONFIG_SAKURA |
633 |
case CCS_SAKURA_DENY_CONCEAL_MOUNT: |
case CCS_SAKURA_DENY_CONCEAL_MOUNT: |
634 |
case CCS_SAKURA_RESTRICT_CHROOT: |
case CCS_SAKURA_RESTRICT_CHROOT: |
635 |
case CCS_SAKURA_RESTRICT_MOUNT: |
case CCS_SAKURA_RESTRICT_MOUNT: |
636 |
case CCS_SAKURA_RESTRICT_UNMOUNT: |
case CCS_SAKURA_RESTRICT_UNMOUNT: |
637 |
case CCS_SAKURA_RESTRICT_PIVOT_ROOT: |
case CCS_SAKURA_RESTRICT_PIVOT_ROOT: |
638 |
case CCS_SAKURA_RESTRICT_AUTOBIND: |
case CCS_SAKURA_RESTRICT_AUTOBIND: |
639 |
#endif |
#endif |
640 |
#ifndef CONFIG_TOMOYO |
#ifndef CONFIG_TOMOYO |
641 |
case CCS_TOMOYO_MAC_FOR_FILE: |
case CCS_TOMOYO_MAC_FOR_FILE: |
642 |
case CCS_TOMOYO_MAC_FOR_ARGV0: |
case CCS_TOMOYO_MAC_FOR_ARGV0: |
643 |
case CCS_TOMOYO_MAC_FOR_ENV: |
case CCS_TOMOYO_MAC_FOR_ENV: |
644 |
case CCS_TOMOYO_MAC_FOR_NETWORK: |
case CCS_TOMOYO_MAC_FOR_NETWORK: |
645 |
case CCS_TOMOYO_MAC_FOR_SIGNAL: |
case CCS_TOMOYO_MAC_FOR_SIGNAL: |
646 |
case CCS_TOMOYO_MAX_ACCEPT_ENTRY: |
case CCS_TOMOYO_MAX_ACCEPT_ENTRY: |
647 |
case CCS_TOMOYO_MAX_GRANT_LOG: |
case CCS_TOMOYO_MAX_GRANT_LOG: |
648 |
case CCS_TOMOYO_MAX_REJECT_LOG: |
case CCS_TOMOYO_MAX_REJECT_LOG: |
649 |
case CCS_TOMOYO_VERBOSE: |
case CCS_TOMOYO_VERBOSE: |
650 |
#endif |
#endif |
651 |
#ifndef ALT_EXEC |
#ifndef ALT_EXEC |
652 |
case CCS_TOMOYO_ALT_EXEC: |
case CCS_TOMOYO_ALT_EXEC: |
653 |
case CCS_SLEEP_PERIOD: |
case CCS_SLEEP_PERIOD: |
654 |
#endif |
#endif |
655 |
continue; |
continue; |
|
} |
|
|
if (j == CCS_PROFILE_COMMENT) { |
|
|
if (io_printf(head, "%u-%s=%s\n", i, ccs_control_array[CCS_PROFILE_COMMENT].keyword, profile->comment ? profile->comment->name : "")) break; |
|
|
} else if (j == CCS_TOMOYO_ALT_EXEC) { |
|
|
const struct path_info *alt_exec = profile->alt_exec; |
|
|
if (io_printf(head, "%u-%s=%s\n", i, ccs_control_array[CCS_TOMOYO_ALT_EXEC].keyword, alt_exec ? alt_exec->name : "")) break; |
|
|
} else { |
|
|
if (io_printf(head, "%u-%s=%u\n", i, ccs_control_array[j].keyword, profile->value[j])) break; |
|
|
} |
|
|
} |
|
|
if (step == MAX_PROFILES * CCS_MAX_CONTROL_INDEX) { |
|
|
head->read_var2 = (void *) ""; |
|
|
head->read_step = 0; |
|
|
} |
|
656 |
} |
} |
657 |
if (head->read_var2) { |
if (j == CCS_PROFILE_COMMENT) { |
658 |
|
if (io_printf(head, "%u-%s=%s\n", i, ccs_control_array[CCS_PROFILE_COMMENT].keyword, profile->comment ? profile->comment->name : "")) break; |
659 |
|
} else if (j == CCS_TOMOYO_ALT_EXEC) { |
660 |
|
const struct path_info *alt_exec = profile->alt_exec; |
661 |
|
if (io_printf(head, "%u-%s=%s\n", i, ccs_control_array[CCS_TOMOYO_ALT_EXEC].keyword, alt_exec ? alt_exec->name : "")) break; |
662 |
|
} else { |
663 |
|
if (io_printf(head, "%u-%s=%u\n", i, ccs_control_array[j].keyword, profile->value[j])) break; |
664 |
|
} |
665 |
|
} |
666 |
|
if (step == MAX_PROFILES * CCS_MAX_CONTROL_INDEX) { |
667 |
|
head->read_var2 = (void *) ""; |
668 |
|
head->read_step = 0; |
669 |
|
} |
670 |
|
print_capability: |
671 |
|
if (head->read_var2) { |
672 |
#ifdef CONFIG_TOMOYO |
#ifdef CONFIG_TOMOYO |
673 |
if (ReadCapabilityStatus(head) == 0) |
if (ReadCapabilityStatus(head) == 0) |
674 |
#endif |
#endif |
675 |
head->read_eof = 1; |
head->read_eof = true; |
|
} |
|
676 |
} |
} |
677 |
return 0; |
return 0; |
678 |
} |
} |
694 |
static DEFINE_MUTEX(lock); |
static DEFINE_MUTEX(lock); |
695 |
const struct path_info *saved_manager; |
const struct path_info *saved_manager; |
696 |
int error = -ENOMEM; |
int error = -ENOMEM; |
697 |
bool is_domain = 0; |
bool is_domain = false; |
|
if (!isRoot()) return -EPERM; |
|
698 |
if (IsDomainDef(manager)) { |
if (IsDomainDef(manager)) { |
699 |
if (!IsCorrectDomain(manager, __FUNCTION__)) return -EINVAL; |
if (!IsCorrectDomain(manager, __FUNCTION__)) return -EINVAL; |
700 |
is_domain = 1; |
is_domain = true; |
701 |
} else { |
} else { |
702 |
if (!IsCorrectPath(manager, 1, -1, -1, __FUNCTION__)) return -EINVAL; |
if (!IsCorrectPath(manager, 1, -1, -1, __FUNCTION__)) return -EINVAL; |
703 |
} |
} |
728 |
static int AddManagerPolicy(struct io_buffer *head) |
static int AddManagerPolicy(struct io_buffer *head) |
729 |
{ |
{ |
730 |
const char *data = head->write_buf; |
const char *data = head->write_buf; |
731 |
bool is_delete = 0; |
bool is_delete = false; |
|
if (!isRoot()) return -EPERM; |
|
732 |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
733 |
data += KEYWORD_DELETE_LEN; |
data += KEYWORD_DELETE_LEN; |
734 |
is_delete = 1; |
is_delete = true; |
735 |
|
} |
736 |
|
if (strcmp(data, "manage_by_non_root") == 0) { |
737 |
|
manage_by_non_root = is_delete; |
738 |
|
return 0; |
739 |
} |
} |
740 |
return AddManagerEntry(data, is_delete); |
return AddManagerEntry(data, is_delete); |
741 |
} |
} |
744 |
{ |
{ |
745 |
struct list1_head *pos; |
struct list1_head *pos; |
746 |
if (head->read_eof) return 0; |
if (head->read_eof) return 0; |
|
if (!isRoot()) return -EPERM; |
|
747 |
list1_for_each_cookie(pos, head->read_var2, &policy_manager_list) { |
list1_for_each_cookie(pos, head->read_var2, &policy_manager_list) { |
748 |
struct policy_manager_entry *ptr; |
struct policy_manager_entry *ptr; |
749 |
ptr = list1_entry(pos, struct policy_manager_entry, list); |
ptr = list1_entry(pos, struct policy_manager_entry, list); |
750 |
if (ptr->is_deleted) continue; |
if (ptr->is_deleted) continue; |
751 |
if (io_printf(head, "%s\n", ptr->manager->name)) return 0; |
if (io_printf(head, "%s\n", ptr->manager->name)) return 0; |
752 |
} |
} |
753 |
head->read_eof = 1; |
head->read_eof = true; |
754 |
return 0; |
return 0; |
755 |
} |
} |
756 |
|
|
757 |
/* Check whether the current process is a policy manager. */ |
/* Check whether the current process is a policy manager. */ |
758 |
static int IsPolicyManager(void) |
static bool IsPolicyManager(void) |
759 |
{ |
{ |
760 |
struct policy_manager_entry *ptr; |
struct policy_manager_entry *ptr; |
761 |
const char *exe; |
const char *exe; |
762 |
const struct path_info *domainname = current->domain_info->domainname; |
const struct task_struct *task = current; |
763 |
bool found = 0; |
const struct path_info *domainname = task->domain_info->domainname; |
764 |
if (!sbin_init_started) return 1; |
bool found = false; |
765 |
|
if (!sbin_init_started) return true; |
766 |
|
if (!manage_by_non_root && (task->uid || task->euid)) return false; |
767 |
list1_for_each_entry(ptr, &policy_manager_list, list) { |
list1_for_each_entry(ptr, &policy_manager_list, list) { |
768 |
if (!ptr->is_deleted && ptr->is_domain && !pathcmp(domainname, ptr->manager)) return 1; |
if (!ptr->is_deleted && ptr->is_domain && !pathcmp(domainname, ptr->manager)) return true; |
769 |
} |
} |
770 |
if ((exe = GetEXE()) == NULL) return 0; |
if ((exe = GetEXE()) == NULL) return false; |
771 |
list1_for_each_entry(ptr, &policy_manager_list, list) { |
list1_for_each_entry(ptr, &policy_manager_list, list) { |
772 |
if (!ptr->is_deleted && !ptr->is_domain && !strcmp(exe, ptr->manager->name)) { |
if (!ptr->is_deleted && !ptr->is_domain && !strcmp(exe, ptr->manager->name)) { |
773 |
found = 1; |
found = true; |
774 |
break; |
break; |
775 |
} |
} |
776 |
} |
} |
796 |
if (cp) { |
if (cp) { |
797 |
while ((cp2 = strstr(cp + 3, " if ")) != NULL) cp = cp2; |
while ((cp2 = strstr(cp + 3, " if ")) != NULL) cp = cp2; |
798 |
*cp++ = '\0'; |
*cp++ = '\0'; |
799 |
|
} else if ((cp = strstr(data, " ; set ")) != NULL) { |
800 |
|
*cp++ = '\0'; |
801 |
} |
} |
802 |
return cp; |
return cp; |
803 |
} |
} |
806 |
{ |
{ |
807 |
char *data = head->write_buf; |
char *data = head->write_buf; |
808 |
struct domain_info *domain = head->write_var1; |
struct domain_info *domain = head->write_var1; |
809 |
bool is_delete = 0, is_select = 0, is_undelete = 0; |
bool is_delete = false, is_select = false, is_undelete = false; |
810 |
unsigned int profile; |
unsigned int profile; |
811 |
const struct condition_list *cond = NULL; |
const struct condition_list *cond = NULL; |
812 |
char *cp; |
char *cp; |
|
if (!isRoot()) return -EPERM; |
|
813 |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
814 |
data += KEYWORD_DELETE_LEN; |
data += KEYWORD_DELETE_LEN; |
815 |
is_delete = 1; |
is_delete = true; |
816 |
} else if (strncmp(data, KEYWORD_SELECT, KEYWORD_SELECT_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_SELECT, KEYWORD_SELECT_LEN) == 0) { |
817 |
data += KEYWORD_SELECT_LEN; |
data += KEYWORD_SELECT_LEN; |
818 |
is_select = 1; |
is_select = true; |
819 |
} else if (strncmp(data, KEYWORD_UNDELETE, KEYWORD_UNDELETE_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_UNDELETE, KEYWORD_UNDELETE_LEN) == 0) { |
820 |
data += KEYWORD_UNDELETE_LEN; |
data += KEYWORD_UNDELETE_LEN; |
821 |
is_undelete = 1; |
is_undelete = true; |
822 |
} |
} |
|
UpdateCounter(CCS_UPDATES_COUNTER_DOMAIN_POLICY); |
|
823 |
if (IsDomainDef(data)) { |
if (IsDomainDef(data)) { |
824 |
if (is_delete) { |
if (is_delete) { |
825 |
DeleteDomain(data); |
DeleteDomain(data); |
832 |
domain = FindOrAssignNewDomain(data, 0); |
domain = FindOrAssignNewDomain(data, 0); |
833 |
} |
} |
834 |
head->write_var1 = domain; |
head->write_var1 = domain; |
835 |
|
UpdateCounter(CCS_UPDATES_COUNTER_DOMAIN_POLICY); |
836 |
return 0; |
return 0; |
837 |
} |
} |
838 |
if (!domain) return -EINVAL; |
if (!domain) return -EINVAL; |
841 |
if (profile_ptr[profile] || !sbin_init_started) domain->profile = (u8) profile; |
if (profile_ptr[profile] || !sbin_init_started) domain->profile = (u8) profile; |
842 |
return 0; |
return 0; |
843 |
} |
} |
844 |
|
if (strcmp(data, KEYWORD_IGNORE_GLOBAL_ALLOW_READ) == 0) { |
845 |
|
if (!is_delete) domain->flags |= DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ; |
846 |
|
else domain->flags &= ~DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ; |
847 |
|
return 0; |
848 |
|
} |
849 |
|
if (strcmp(data, KEYWORD_IGNORE_GLOBAL_ALLOW_ENV) == 0) { |
850 |
|
if (!is_delete) domain->flags |= DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_ENV; |
851 |
|
else domain->flags &= ~DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_ENV; |
852 |
|
return 0; |
853 |
|
} |
854 |
cp = FindConditionPart(data); |
cp = FindConditionPart(data); |
855 |
if (cp && (cond = FindOrAssignNewCondition(cp)) == NULL) return -EINVAL; |
if (cp && (cond = FindOrAssignNewCondition(cp)) == NULL) return -EINVAL; |
856 |
if (strncmp(data, KEYWORD_ALLOW_CAPABILITY, KEYWORD_ALLOW_CAPABILITY_LEN) == 0) { |
if (strncmp(data, KEYWORD_ALLOW_CAPABILITY, KEYWORD_ALLOW_CAPABILITY_LEN) == 0) { |
869 |
return -EINVAL; |
return -EINVAL; |
870 |
} |
} |
871 |
|
|
872 |
|
static bool print_single_path_acl(struct io_buffer *head, struct single_path_acl_record *ptr, const struct condition_list *cond) |
873 |
|
{ |
874 |
|
int pos; |
875 |
|
u8 bit; |
876 |
|
const bool b = ptr->u_is_group; |
877 |
|
const u16 perm = ptr->perm; |
878 |
|
for (bit = head->read_bit; bit < MAX_SINGLE_PATH_OPERATION; bit++) { |
879 |
|
const char *msg; |
880 |
|
if (!(perm & (1 << bit))) continue; |
881 |
|
/* Print "read/write" instead of "read" and "write". */ |
882 |
|
if ((bit == TYPE_READ_ACL || bit == TYPE_WRITE_ACL) && (perm & (1 << TYPE_READ_WRITE_ACL))) continue; |
883 |
|
msg = sp_operation2keyword(bit); |
884 |
|
pos = head->read_avail; |
885 |
|
if (b && io_printf(head, "allow_%s @%s ", msg, ptr->u.group->group_name->name)) goto out; |
886 |
|
if (!b && io_printf(head, "allow_%s %s ", msg, ptr->u.filename->name)) goto out; |
887 |
|
if (DumpCondition(head, cond)) goto out; |
888 |
|
} |
889 |
|
head->read_bit = 0; |
890 |
|
return true; |
891 |
|
out: |
892 |
|
head->read_bit = bit; |
893 |
|
head->read_avail = pos; |
894 |
|
return false; |
895 |
|
} |
896 |
|
|
897 |
|
static bool print_double_path_acl(struct io_buffer *head, struct double_path_acl_record *ptr, const struct condition_list *cond) |
898 |
|
{ |
899 |
|
int pos; |
900 |
|
const bool b0 = ptr->u1_is_group, b1 = ptr->u2_is_group; |
901 |
|
const u8 perm = ptr->perm; |
902 |
|
u8 bit; |
903 |
|
for (bit = head->read_bit; bit < MAX_DOUBLE_PATH_OPERATION; bit++) { |
904 |
|
const char *msg; |
905 |
|
if (!(perm & (1 << bit))) continue; |
906 |
|
msg = dp_operation2keyword(bit); |
907 |
|
pos = head->read_avail; |
908 |
|
if (io_printf(head, "allow_%s ", msg)) goto out; |
909 |
|
if (b0 && io_printf(head, "@%s ", ptr->u1.group1->group_name->name)) goto out; |
910 |
|
if (!b0 && io_printf(head, "%s ", ptr->u1.filename1->name)) goto out; |
911 |
|
if (b1 && io_printf(head, "@%s", ptr->u2.group2->group_name->name)) goto out; |
912 |
|
if (!b1 && io_printf(head, "%s", ptr->u2.filename2->name)) goto out; |
913 |
|
if (DumpCondition(head, cond)) goto out; |
914 |
|
} |
915 |
|
head->read_bit = 0; |
916 |
|
return true; |
917 |
|
out: |
918 |
|
head->read_bit = bit; |
919 |
|
head->read_avail = pos; |
920 |
|
return false; |
921 |
|
} |
922 |
|
|
923 |
|
static bool print_argv0_acl(struct io_buffer *head, struct argv0_acl_record *ptr, const struct condition_list *cond) |
924 |
|
{ |
925 |
|
int pos = head->read_avail; |
926 |
|
if (io_printf(head, KEYWORD_ALLOW_ARGV0 "%s %s", |
927 |
|
ptr->filename->name, ptr->argv0->name)) goto out; |
928 |
|
if (DumpCondition(head, cond)) goto out; |
929 |
|
return true; |
930 |
|
out: |
931 |
|
head->read_avail = pos; |
932 |
|
return false; |
933 |
|
} |
934 |
|
|
935 |
|
static bool print_env_acl(struct io_buffer *head, struct env_acl_record *ptr, const struct condition_list *cond) |
936 |
|
{ |
937 |
|
int pos = head->read_avail; |
938 |
|
if (io_printf(head, KEYWORD_ALLOW_ENV "%s", ptr->env->name)) goto out; |
939 |
|
if (DumpCondition(head, cond)) goto out; |
940 |
|
return true; |
941 |
|
out: |
942 |
|
head->read_avail = pos; |
943 |
|
return false; |
944 |
|
} |
945 |
|
|
946 |
|
static bool print_capability_acl(struct io_buffer *head, struct capability_acl_record *ptr, const struct condition_list *cond) |
947 |
|
{ |
948 |
|
int pos = head->read_avail; |
949 |
|
if (io_printf(head, KEYWORD_ALLOW_CAPABILITY "%s", cap_operation2keyword(ptr->operation))) goto out; |
950 |
|
if (DumpCondition(head, cond)) goto out; |
951 |
|
return true; |
952 |
|
out: |
953 |
|
head->read_avail = pos; |
954 |
|
return false; |
955 |
|
} |
956 |
|
|
957 |
|
static bool print_network_acl(struct io_buffer *head, struct ip_network_acl_record *ptr, const struct condition_list *cond) |
958 |
|
{ |
959 |
|
int pos = head->read_avail; |
960 |
|
if (io_printf(head, KEYWORD_ALLOW_NETWORK "%s ", net_operation2keyword(ptr->operation_type))) goto out; |
961 |
|
switch (ptr->record_type) { |
962 |
|
case IP_RECORD_TYPE_ADDRESS_GROUP: |
963 |
|
if (io_printf(head, "@%s", ptr->u.group->group_name->name)) goto out; |
964 |
|
break; |
965 |
|
case IP_RECORD_TYPE_IPv4: |
966 |
|
{ |
967 |
|
const u32 min_address = ptr->u.ipv4.min, max_address = ptr->u.ipv4.max; |
968 |
|
if (io_printf(head, "%u.%u.%u.%u", HIPQUAD(min_address))) goto out; |
969 |
|
if (min_address != max_address && io_printf(head, "-%u.%u.%u.%u", HIPQUAD(max_address))) goto out; |
970 |
|
} |
971 |
|
break; |
972 |
|
case IP_RECORD_TYPE_IPv6: |
973 |
|
{ |
974 |
|
char buf[64]; |
975 |
|
const struct in6_addr *min_address = ptr->u.ipv6.min, *max_address = ptr->u.ipv6.max; |
976 |
|
print_ipv6(buf, sizeof(buf), min_address); |
977 |
|
if (io_printf(head, "%s", buf)) goto out; |
978 |
|
if (min_address != max_address) { |
979 |
|
print_ipv6(buf, sizeof(buf), max_address); |
980 |
|
if (io_printf(head, "-%s", buf)) goto out; |
981 |
|
} |
982 |
|
} |
983 |
|
break; |
984 |
|
} |
985 |
|
{ |
986 |
|
const u16 min_port = ptr->min_port, max_port = ptr->max_port; |
987 |
|
if (io_printf(head, " %u", min_port)) goto out; |
988 |
|
if (min_port != max_port && io_printf(head, "-%u", max_port)) goto out; |
989 |
|
} |
990 |
|
if (DumpCondition(head, cond)) goto out; |
991 |
|
return true; |
992 |
|
out: |
993 |
|
head->read_avail = pos; |
994 |
|
return false; |
995 |
|
} |
996 |
|
|
997 |
|
static bool print_signal_acl(struct io_buffer *head, struct signal_acl_record *ptr, const struct condition_list *cond) |
998 |
|
{ |
999 |
|
int pos = head->read_avail; |
1000 |
|
if (io_printf(head, KEYWORD_ALLOW_SIGNAL "%u %s", ptr->sig, ptr->domainname->name)) goto out; |
1001 |
|
if (DumpCondition(head, cond)) goto out; |
1002 |
|
return true; |
1003 |
|
out: |
1004 |
|
head->read_avail = pos; |
1005 |
|
return false; |
1006 |
|
} |
1007 |
|
|
1008 |
static int ReadDomainPolicy(struct io_buffer *head) |
static int ReadDomainPolicy(struct io_buffer *head) |
1009 |
{ |
{ |
1010 |
struct list1_head *dpos; |
struct list1_head *dpos; |
1011 |
struct list1_head *apos; |
struct list1_head *apos; |
1012 |
if (head->read_eof) return 0; |
if (head->read_eof) return 0; |
1013 |
if (head->read_step == 0) { |
if (head->read_step == 0) head->read_step = 1; |
|
if (!isRoot()) return -EPERM; |
|
|
head->read_step = 1; |
|
|
} |
|
1014 |
list1_for_each_cookie(dpos, head->read_var1, &domain_list) { |
list1_for_each_cookie(dpos, head->read_var1, &domain_list) { |
1015 |
struct domain_info *domain; |
struct domain_info *domain; |
1016 |
domain = list1_entry(dpos, struct domain_info, list); |
domain = list1_entry(dpos, struct domain_info, list); |
1017 |
if (head->read_step != 1) goto acl_loop; |
if (head->read_step != 1) goto acl_loop; |
1018 |
if (domain->is_deleted) continue; |
if (domain->is_deleted) continue; |
1019 |
if (io_printf(head, "%s\n" KEYWORD_USE_PROFILE "%u\n%s\n", domain->domainname->name, domain->profile, domain->quota_warned ? "quota_exceeded\n" : "")) return 0; |
if (io_printf(head, "%s\n" KEYWORD_USE_PROFILE "%u\n%s\n%s%s", domain->domainname->name, domain->profile, domain->quota_warned ? "quota_exceeded\n" : "", domain->flags & DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ ? KEYWORD_IGNORE_GLOBAL_ALLOW_READ "\n" : "", domain->flags & DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_ENV ? KEYWORD_IGNORE_GLOBAL_ALLOW_ENV "\n" : "")) return 0; |
1020 |
head->read_step = 2; |
head->read_step = 2; |
1021 |
acl_loop: ; |
acl_loop: ; |
1022 |
if (head->read_step == 3) goto tail_mark; |
if (head->read_step == 3) goto tail_mark; |
1023 |
list1_for_each_cookie(apos, head->read_var2, &domain->acl_info_list) { |
list1_for_each_cookie(apos, head->read_var2, &domain->acl_info_list) { |
1024 |
struct acl_info *ptr; |
struct acl_info *ptr; |
|
int pos; |
|
1025 |
u8 acl_type; |
u8 acl_type; |
1026 |
|
const struct condition_list *cond; |
1027 |
ptr = list1_entry(apos, struct acl_info, list); |
ptr = list1_entry(apos, struct acl_info, list); |
1028 |
if (ptr->is_deleted) continue; |
cond = GetConditionPart(ptr); |
1029 |
pos = head->read_avail; |
acl_type = ptr->type & ~ACL_WITH_CONDITION; |
1030 |
acl_type = ptr->type; |
if (acl_type & ACL_DELETED) { |
1031 |
if (acl_type == TYPE_FILE_ACL) { |
/* Deleted entry. */ |
1032 |
struct file_acl_record *ptr2 = container_of(ptr, struct file_acl_record, head); |
} else if (acl_type == TYPE_SINGLE_PATH_ACL) { |
1033 |
const unsigned char b = ptr2->u_is_group; |
if (!print_single_path_acl(head, container_of(ptr, struct single_path_acl_record, head), cond)) return 0; |
1034 |
if (io_printf(head, "%d %s%s", ptr2->perm, |
} else if (acl_type == TYPE_DOUBLE_PATH_ACL) { |
1035 |
b ? "@" : "", |
if (!print_double_path_acl(head, container_of(ptr, struct double_path_acl_record, head), cond)) return 0; |
|
b ? ptr2->u.group->group_name->name : ptr2->u.filename->name)) goto print_acl_rollback; |
|
1036 |
} else if (acl_type == TYPE_ARGV0_ACL) { |
} else if (acl_type == TYPE_ARGV0_ACL) { |
1037 |
struct argv0_acl_record *ptr2 = container_of(ptr, struct argv0_acl_record, head); |
if (!print_argv0_acl(head, container_of(ptr, struct argv0_acl_record, head), cond)) return 0; |
|
if (io_printf(head, KEYWORD_ALLOW_ARGV0 "%s %s", |
|
|
ptr2->filename->name, ptr2->argv0->name)) goto print_acl_rollback; |
|
1038 |
} else if (acl_type == TYPE_ENV_ACL) { |
} else if (acl_type == TYPE_ENV_ACL) { |
1039 |
struct env_acl_record *ptr2 = container_of(ptr, struct env_acl_record, head); |
if (!print_env_acl(head, container_of(ptr, struct env_acl_record, head), cond)) return 0; |
|
if (io_printf(head, KEYWORD_ALLOW_ENV "%s", ptr2->env->name)) goto print_acl_rollback; |
|
1040 |
} else if (acl_type == TYPE_CAPABILITY_ACL) { |
} else if (acl_type == TYPE_CAPABILITY_ACL) { |
1041 |
struct capability_acl_record *ptr2 = container_of(ptr, struct capability_acl_record, head); |
if (!print_capability_acl(head, container_of(ptr, struct capability_acl_record, head), cond)) return 0; |
|
if (io_printf(head, KEYWORD_ALLOW_CAPABILITY "%s", capability2keyword(ptr2->capability))) goto print_acl_rollback; |
|
1042 |
} else if (acl_type == TYPE_IP_NETWORK_ACL) { |
} else if (acl_type == TYPE_IP_NETWORK_ACL) { |
1043 |
struct ip_network_acl_record *ptr2 = container_of(ptr, struct ip_network_acl_record, head); |
if (!print_network_acl(head, container_of(ptr, struct ip_network_acl_record, head), cond)) return 0; |
|
if (io_printf(head, KEYWORD_ALLOW_NETWORK "%s ", network2keyword(ptr2->operation_type))) goto print_acl_rollback; |
|
|
switch (ptr2->record_type) { |
|
|
case IP_RECORD_TYPE_ADDRESS_GROUP: |
|
|
if (io_printf(head, "@%s", ptr2->u.group->group_name->name)) goto print_acl_rollback; |
|
|
break; |
|
|
case IP_RECORD_TYPE_IPv4: |
|
|
{ |
|
|
const u32 min_address = ptr2->u.ipv4.min, max_address = ptr2->u.ipv4.max; |
|
|
if (io_printf(head, "%u.%u.%u.%u", HIPQUAD(min_address))) goto print_acl_rollback; |
|
|
if (min_address != max_address && io_printf(head, "-%u.%u.%u.%u", HIPQUAD(max_address))) goto print_acl_rollback; |
|
|
} |
|
|
break; |
|
|
case IP_RECORD_TYPE_IPv6: |
|
|
{ |
|
|
char buf[64]; |
|
|
const struct in6_addr *min_address = ptr2->u.ipv6.min, *max_address = ptr2->u.ipv6.max; |
|
|
print_ipv6(buf, sizeof(buf), min_address); |
|
|
if (io_printf(head, "%s", buf)) goto print_acl_rollback; |
|
|
if (min_address != max_address) { |
|
|
print_ipv6(buf, sizeof(buf), max_address); |
|
|
if (io_printf(head, "-%s", buf)) goto print_acl_rollback; |
|
|
} |
|
|
} |
|
|
break; |
|
|
} |
|
|
{ |
|
|
const u16 min_port = ptr2->min_port, max_port = ptr2->max_port; |
|
|
if (io_printf(head, " %u", min_port)) goto print_acl_rollback; |
|
|
if (min_port != max_port && io_printf(head, "-%u", max_port)) goto print_acl_rollback; |
|
|
} |
|
1044 |
} else if (acl_type == TYPE_SIGNAL_ACL) { |
} else if (acl_type == TYPE_SIGNAL_ACL) { |
1045 |
struct signal_acl_record *ptr2 = container_of(ptr, struct signal_acl_record, head); |
if (!print_signal_acl(head, container_of(ptr, struct signal_acl_record, head), cond)) return 0; |
|
if (io_printf(head, KEYWORD_ALLOW_SIGNAL "%u %s", ptr2->sig, ptr2->domainname->name)) goto print_acl_rollback; |
|
1046 |
} else { |
} else { |
1047 |
const char *keyword = acltype2keyword(acl_type); |
BUG(); |
|
if (!keyword) continue; |
|
|
if (acltype2paths(acl_type) == 2) { |
|
|
struct double_acl_record *ptr2 = container_of(ptr, struct double_acl_record, head); |
|
|
const bool b0 = ptr2->u1_is_group, b1 = ptr2->u2_is_group; |
|
|
if (io_printf(head, "allow_%s %s%s %s%s", keyword, |
|
|
b0 ? "@" : "", b0 ? ptr2->u1.group1->group_name->name : ptr2->u1.filename1->name, |
|
|
b1 ? "@" : "", b1 ? ptr2->u2.group2->group_name->name : ptr2->u2.filename2->name)) goto print_acl_rollback; |
|
|
} else { |
|
|
struct single_acl_record *ptr2 = container_of(ptr, struct single_acl_record, head); |
|
|
const bool b = ptr2->u_is_group; |
|
|
if (io_printf(head, "allow_%s %s%s", keyword, |
|
|
b ? "@" : "", b ? ptr2->u.group->group_name->name : ptr2->u.filename->name)) goto print_acl_rollback; |
|
|
} |
|
|
} |
|
|
if (DumpCondition(head, ptr->cond)) { |
|
|
print_acl_rollback: ; |
|
|
head->read_avail = pos; |
|
|
return 0; |
|
1048 |
} |
} |
1049 |
} |
} |
1050 |
head->read_step = 3; |
head->read_step = 3; |
1052 |
if (io_printf(head, "\n")) return 0; |
if (io_printf(head, "\n")) return 0; |
1053 |
head->read_step = 1; |
head->read_step = 1; |
1054 |
} |
} |
1055 |
head->read_eof = 1; |
head->read_eof = true; |
1056 |
return 0; |
return 0; |
1057 |
} |
} |
1058 |
|
|
1064 |
char *cp = strchr(data, ' '); |
char *cp = strchr(data, ' '); |
1065 |
struct domain_info *domain; |
struct domain_info *domain; |
1066 |
unsigned int profile; |
unsigned int profile; |
|
if (!isRoot()) return -EPERM; |
|
1067 |
if (!cp) return -EINVAL; |
if (!cp) return -EINVAL; |
1068 |
*cp = '\0'; |
*cp = '\0'; |
1069 |
domain = FindDomain(cp + 1); |
domain = FindDomain(cp + 1); |
1077 |
{ |
{ |
1078 |
struct list1_head *pos; |
struct list1_head *pos; |
1079 |
if (head->read_eof) return 0; |
if (head->read_eof) return 0; |
|
if (!isRoot()) return -EPERM; |
|
1080 |
list1_for_each_cookie(pos, head->read_var1, &domain_list) { |
list1_for_each_cookie(pos, head->read_var1, &domain_list) { |
1081 |
struct domain_info *domain; |
struct domain_info *domain; |
1082 |
domain = list1_entry(pos, struct domain_info, list); |
domain = list1_entry(pos, struct domain_info, list); |
1083 |
if (domain->is_deleted) continue; |
if (domain->is_deleted) continue; |
1084 |
if (io_printf(head, "%u %s\n", domain->profile, domain->domainname->name)) return 0; |
if (io_printf(head, "%u %s\n", domain->profile, domain->domainname->name)) return 0; |
1085 |
} |
} |
1086 |
head->read_eof = 1; |
head->read_eof = true; |
1087 |
return 0; |
return 0; |
1088 |
} |
} |
1089 |
|
|
1090 |
static int WritePID(struct io_buffer *head) |
static int WritePID(struct io_buffer *head) |
1091 |
{ |
{ |
1092 |
head->read_step = (int) simple_strtoul(head->write_buf, NULL, 10); |
head->read_step = (int) simple_strtoul(head->write_buf, NULL, 10); |
1093 |
head->read_eof = 0; |
head->read_eof = false; |
1094 |
return 0; |
return 0; |
1095 |
} |
} |
1096 |
|
|
1107 |
read_unlock(&tasklist_lock); |
read_unlock(&tasklist_lock); |
1108 |
/***** CRITICAL SECTION END *****/ |
/***** CRITICAL SECTION END *****/ |
1109 |
if (domain) io_printf(head, "%d %u %s", pid, domain->profile, domain->domainname->name); |
if (domain) io_printf(head, "%d %u %s", pid, domain->profile, domain->domainname->name); |
1110 |
head->read_eof = 1; |
head->read_eof = true; |
1111 |
} |
} |
1112 |
return 0; |
return 0; |
1113 |
} |
} |
1119 |
static int AddExceptionPolicy(struct io_buffer *head) |
static int AddExceptionPolicy(struct io_buffer *head) |
1120 |
{ |
{ |
1121 |
char *data = head->write_buf; |
char *data = head->write_buf; |
1122 |
bool is_delete = 0; |
bool is_delete = false; |
|
if (!isRoot()) return -EPERM; |
|
1123 |
UpdateCounter(CCS_UPDATES_COUNTER_EXCEPTION_POLICY); |
UpdateCounter(CCS_UPDATES_COUNTER_EXCEPTION_POLICY); |
1124 |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
1125 |
data += KEYWORD_DELETE_LEN; |
data += KEYWORD_DELETE_LEN; |
1126 |
is_delete = 1; |
is_delete = true; |
1127 |
} |
} |
1128 |
if (strncmp(data, KEYWORD_KEEP_DOMAIN, KEYWORD_KEEP_DOMAIN_LEN) == 0) { |
if (strncmp(data, KEYWORD_KEEP_DOMAIN, KEYWORD_KEEP_DOMAIN_LEN) == 0) { |
1129 |
return AddDomainKeeperPolicy(data + KEYWORD_KEEP_DOMAIN_LEN, 0, is_delete); |
return AddDomainKeeperPolicy(data + KEYWORD_KEEP_DOMAIN_LEN, 0, is_delete); |
1142 |
} else if (strncmp(data, KEYWORD_ALLOW_ENV, KEYWORD_ALLOW_ENV_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_ALLOW_ENV, KEYWORD_ALLOW_ENV_LEN) == 0) { |
1143 |
return AddGloballyUsableEnvPolicy(data + KEYWORD_ALLOW_ENV_LEN, is_delete); |
return AddGloballyUsableEnvPolicy(data + KEYWORD_ALLOW_ENV_LEN, is_delete); |
1144 |
} else if (strncmp(data, KEYWORD_FILE_PATTERN, KEYWORD_FILE_PATTERN_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_FILE_PATTERN, KEYWORD_FILE_PATTERN_LEN) == 0) { |
1145 |
return AddPatternPolicy(data + KEYWORD_FILE_PATTERN_LEN, is_delete); |
return AddFilePatternPolicy(data + KEYWORD_FILE_PATTERN_LEN, is_delete); |
1146 |
} else if (strncmp(data, KEYWORD_PATH_GROUP, KEYWORD_PATH_GROUP_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_PATH_GROUP, KEYWORD_PATH_GROUP_LEN) == 0) { |
1147 |
return AddPathGroupPolicy(data + KEYWORD_PATH_GROUP_LEN, is_delete); |
return AddPathGroupPolicy(data + KEYWORD_PATH_GROUP_LEN, is_delete); |
1148 |
} else if (strncmp(data, KEYWORD_DENY_REWRITE, KEYWORD_DENY_REWRITE_LEN) == 0) { |
} else if (strncmp(data, KEYWORD_DENY_REWRITE, KEYWORD_DENY_REWRITE_LEN) == 0) { |
1158 |
if (!head->read_eof) { |
if (!head->read_eof) { |
1159 |
switch (head->read_step) { |
switch (head->read_step) { |
1160 |
case 0: |
case 0: |
|
if (!isRoot()) return -EPERM; |
|
1161 |
head->read_var2 = NULL; head->read_step = 1; |
head->read_var2 = NULL; head->read_step = 1; |
1162 |
case 1: |
case 1: |
1163 |
if (ReadDomainKeeperPolicy(head)) break; |
if (ReadDomainKeeperPolicy(head)) break; |
1178 |
if (ReadAggregatorPolicy(head)) break; |
if (ReadAggregatorPolicy(head)) break; |
1179 |
head->read_var2 = NULL; head->read_step = 7; |
head->read_var2 = NULL; head->read_step = 7; |
1180 |
case 7: |
case 7: |
1181 |
if (ReadPatternPolicy(head)) break; |
if (ReadFilePatternPolicy(head)) break; |
1182 |
head->read_var2 = NULL; head->read_step = 8; |
head->read_var2 = NULL; head->read_step = 8; |
1183 |
case 8: |
case 8: |
1184 |
if (ReadNoRewritePolicy(head)) break; |
if (ReadNoRewritePolicy(head)) break; |
1188 |
head->read_var1 = head->read_var2 = NULL; head->read_step = 10; |
head->read_var1 = head->read_var2 = NULL; head->read_step = 10; |
1189 |
case 10: |
case 10: |
1190 |
if (ReadAddressGroupPolicy(head)) break; |
if (ReadAddressGroupPolicy(head)) break; |
1191 |
head->read_eof = 1; |
head->read_eof = true; |
1192 |
break; |
break; |
1193 |
default: |
default: |
1194 |
return -EINVAL; |
return -EINVAL; |
1206 |
static int AddSystemPolicy(struct io_buffer *head) |
static int AddSystemPolicy(struct io_buffer *head) |
1207 |
{ |
{ |
1208 |
char *data = head->write_buf; |
char *data = head->write_buf; |
1209 |
bool is_delete = 0; |
bool is_delete = false; |
|
if (!isRoot()) return -EPERM; |
|
1210 |
UpdateCounter(CCS_UPDATES_COUNTER_SYSTEM_POLICY); |
UpdateCounter(CCS_UPDATES_COUNTER_SYSTEM_POLICY); |
1211 |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
if (strncmp(data, KEYWORD_DELETE, KEYWORD_DELETE_LEN) == 0) { |
1212 |
data += KEYWORD_DELETE_LEN; |
data += KEYWORD_DELETE_LEN; |
1213 |
is_delete = 1; |
is_delete = true; |
1214 |
} |
} |
1215 |
if (strncmp(data, KEYWORD_ALLOW_MOUNT, KEYWORD_ALLOW_MOUNT_LEN) == 0) |
if (strncmp(data, KEYWORD_ALLOW_MOUNT, KEYWORD_ALLOW_MOUNT_LEN) == 0) |
1216 |
return AddMountPolicy(data + KEYWORD_ALLOW_MOUNT_LEN, is_delete); |
return AddMountPolicy(data + KEYWORD_ALLOW_MOUNT_LEN, is_delete); |
1230 |
if (!head->read_eof) { |
if (!head->read_eof) { |
1231 |
switch (head->read_step) { |
switch (head->read_step) { |
1232 |
case 0: |
case 0: |
|
if (!isRoot()) return -EPERM; |
|
1233 |
head->read_var2 = NULL; head->read_step = 1; |
head->read_var2 = NULL; head->read_step = 1; |
1234 |
case 1: |
case 1: |
1235 |
if (ReadMountPolicy(head)) break; |
if (ReadMountPolicy(head)) break; |
1245 |
head->read_var2 = NULL; head->read_step = 5; |
head->read_var2 = NULL; head->read_step = 5; |
1246 |
case 5: |
case 5: |
1247 |
if (ReadReservedPortPolicy(head)) break; |
if (ReadReservedPortPolicy(head)) break; |
1248 |
head->read_eof = 1; |
head->read_eof = true; |
1249 |
break; |
break; |
1250 |
default: |
default: |
1251 |
return -EINVAL; |
return -EINVAL; |
1258 |
|
|
1259 |
/************************* POLICY LOADER *************************/ |
/************************* POLICY LOADER *************************/ |
1260 |
|
|
1261 |
static int profile_loaded = 0; |
static bool profile_loaded = false; |
1262 |
|
|
1263 |
static const char *ccs_loader = NULL; |
static const char *ccs_loader = NULL; |
1264 |
|
|
1293 |
printk("Not activating Mandatory Access Control now since %s doesn't exist.\n", ccs_loader); |
printk("Not activating Mandatory Access Control now since %s doesn't exist.\n", ccs_loader); |
1294 |
return; |
return; |
1295 |
} |
} |
1296 |
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25) |
1297 |
|
path_put(&nd.path); |
1298 |
|
#else |
1299 |
path_release(&nd); |
path_release(&nd); |
1300 |
|
#endif |
1301 |
} |
} |
1302 |
if (!profile_loaded) { |
if (!profile_loaded) { |
1303 |
char *argv[2], *envp[3]; |
char *argv[2], *envp[3]; |
1318 |
} |
} |
1319 |
} |
} |
1320 |
#ifdef CONFIG_SAKURA |
#ifdef CONFIG_SAKURA |
1321 |
printk("SAKURA: 1.5.3-pre 2007/12/18\n"); |
printk("SAKURA: 1.6.0-pre 2008/02/26\n"); |
1322 |
#endif |
#endif |
1323 |
#ifdef CONFIG_TOMOYO |
#ifdef CONFIG_TOMOYO |
1324 |
printk("TOMOYO: 1.5.3-pre 2007/12/17\n"); |
printk("TOMOYO: 1.6.0-pre 2008/02/28\n"); |
1325 |
#endif |
#endif |
|
//if (!profile_loaded) panic("No profiles loaded. Run policy loader using 'init=' option.\n"); |
|
1326 |
printk("Mandatory Access Control activated.\n"); |
printk("Mandatory Access Control activated.\n"); |
1327 |
sbin_init_started = 1; |
sbin_init_started = true; |
1328 |
ccs_log_level = KERN_WARNING; |
ccs_log_level = KERN_WARNING; |
1329 |
{ /* Check all profiles currently assigned to domains are defined. */ |
{ /* Check all profiles currently assigned to domains are defined. */ |
1330 |
struct domain_info *domain; |
struct domain_info *domain; |
1564 |
counter[CCS_UPDATES_COUNTER_MANAGER], |
counter[CCS_UPDATES_COUNTER_MANAGER], |
1565 |
counter[CCS_UPDATES_COUNTER_GRANT_LOG], |
counter[CCS_UPDATES_COUNTER_GRANT_LOG], |
1566 |
counter[CCS_UPDATES_COUNTER_REJECT_LOG]); |
counter[CCS_UPDATES_COUNTER_REJECT_LOG]); |
1567 |
head->read_eof = 1; |
head->read_eof = true; |
1568 |
} |
} |
1569 |
return 0; |
return 0; |
1570 |
} |
} |
1572 |
static int ReadVersion(struct io_buffer *head) |
static int ReadVersion(struct io_buffer *head) |
1573 |
{ |
{ |
1574 |
if (!head->read_eof) { |
if (!head->read_eof) { |
1575 |
if (io_printf(head, "1.5.3-pre") == 0) head->read_eof = 1; |
if (io_printf(head, "1.6.0-pre") == 0) head->read_eof = true; |
1576 |
} |
} |
1577 |
return 0; |
return 0; |
1578 |
} |
} |
1581 |
{ |
{ |
1582 |
if (!head->read_eof) { |
if (!head->read_eof) { |
1583 |
const int shared = GetMemoryUsedForSaveName(), private = GetMemoryUsedForElements(), dynamic = GetMemoryUsedForDynamic(); |
const int shared = GetMemoryUsedForSaveName(), private = GetMemoryUsedForElements(), dynamic = GetMemoryUsedForDynamic(); |
1584 |
if (io_printf(head, "Shared: %10u\nPrivate: %10u\nDynamic: %10u\nTotal: %10u\n", shared, private, dynamic, shared + private + dynamic) == 0) head->read_eof = 1; |
if (io_printf(head, "Shared: %10u\nPrivate: %10u\nDynamic: %10u\nTotal: %10u\n", shared, private, dynamic, shared + private + dynamic) == 0) head->read_eof = true; |
1585 |
} |
} |
1586 |
return 0; |
return 0; |
1587 |
} |
} |
1590 |
{ |
{ |
1591 |
if (!head->read_eof) { |
if (!head->read_eof) { |
1592 |
io_printf(head, "%s", current->domain_info->domainname->name); |
io_printf(head, "%s", current->domain_info->domainname->name); |
1593 |
head->read_eof = 1; |
head->read_eof = true; |
1594 |
} |
} |
1595 |
return 0; |
return 0; |
1596 |
} |
} |
1597 |
|
|
1598 |
int CCS_OpenControl(const int type, struct file *file) |
int CCS_OpenControl(const u8 type, struct file *file) |
1599 |
{ |
{ |
1600 |
struct io_buffer *head = ccs_alloc(sizeof(*head)); |
struct io_buffer *head = ccs_alloc(sizeof(*head)); |
1601 |
if (!head) return -ENOMEM; |
if (!head) return -ENOMEM; |
1724 |
char *cp0 = head->write_buf; |
char *cp0 = head->write_buf; |
1725 |
if (!head->write) return -ENOSYS; |
if (!head->write) return -ENOSYS; |
1726 |
if (!access_ok(VERIFY_READ, buffer, buffer_len)) return -EFAULT; |
if (!access_ok(VERIFY_READ, buffer, buffer_len)) return -EFAULT; |
|
if (!isRoot()) return -EPERM; |
|
1727 |
if (head->write != WritePID && !IsPolicyManager()) { |
if (head->write != WritePID && !IsPolicyManager()) { |
1728 |
return -EPERM; /* Forbid updating policies for non manager programs. */ |
return -EPERM; /* Forbid updating policies for non manager programs. */ |
1729 |
} |
} |
1754 |
{ |
{ |
1755 |
struct io_buffer *head = file->private_data; |
struct io_buffer *head = file->private_data; |
1756 |
if (head->write == WriteAnswer) atomic_dec(&queryd_watcher); |
if (head->write == WriteAnswer) atomic_dec(&queryd_watcher); |
1757 |
else if (head->read == ReadMemoryCounter) profile_loaded = 1; |
else if (head->read == ReadMemoryCounter) profile_loaded = true; |
1758 |
ccs_free(head->read_buf); head->read_buf = NULL; |
ccs_free(head->read_buf); head->read_buf = NULL; |
1759 |
ccs_free(head->write_buf); head->write_buf = NULL; |
ccs_free(head->write_buf); head->write_buf = NULL; |
1760 |
ccs_free(head); head = NULL; |
ccs_free(head); head = NULL; |
1761 |
file->private_data = NULL; |
file->private_data = NULL; |
1762 |
return 0; |
return 0; |
1763 |
} |
} |
1764 |
|
|
1765 |
|
void *alloc_acl_element(const u8 acl_type, const struct condition_list *condition) |
1766 |
|
{ |
1767 |
|
int len; |
1768 |
|
struct acl_info *ptr; |
1769 |
|
switch (acl_type) { |
1770 |
|
case TYPE_SINGLE_PATH_ACL: |
1771 |
|
len = sizeof(struct single_path_acl_record); |
1772 |
|
break; |
1773 |
|
case TYPE_DOUBLE_PATH_ACL: |
1774 |
|
len = sizeof(struct double_path_acl_record); |
1775 |
|
break; |
1776 |
|
case TYPE_ARGV0_ACL: |
1777 |
|
len = sizeof(struct argv0_acl_record); |
1778 |
|
break; |
1779 |
|
case TYPE_ENV_ACL: |
1780 |
|
len = sizeof(struct env_acl_record); |
1781 |
|
break; |
1782 |
|
case TYPE_CAPABILITY_ACL: |
1783 |
|
len = sizeof(struct capability_acl_record); |
1784 |
|
break; |
1785 |
|
case TYPE_IP_NETWORK_ACL: |
1786 |
|
len = sizeof(struct ip_network_acl_record); |
1787 |
|
break; |
1788 |
|
case TYPE_SIGNAL_ACL: |
1789 |
|
len = sizeof(struct signal_acl_record); |
1790 |
|
break; |
1791 |
|
default: |
1792 |
|
return NULL; |
1793 |
|
} |
1794 |
|
if (!condition) len -= sizeof(ptr->cond); |
1795 |
|
ptr = alloc_element(len); |
1796 |
|
if (!ptr) return NULL; |
1797 |
|
if (condition) { |
1798 |
|
ptr->cond = condition; |
1799 |
|
ptr->type = acl_type | ACL_WITH_CONDITION; |
1800 |
|
return ptr; |
1801 |
|
} |
1802 |
|
ptr = (void *) (((u8 *) ptr) - sizeof(ptr->cond)); |
1803 |
|
ptr->type = acl_type; |
1804 |
|
return ptr; |
1805 |
|
} |
1806 |
|
|
1807 |
|
const struct condition_list *GetConditionPart(const struct acl_info *acl) |
1808 |
|
{ |
1809 |
|
return (acl->type & ACL_WITH_CONDITION) ? acl->cond : NULL; |
1810 |
|
} |