1 |
/* |
/* |
2 |
* security/ccsecurity/policy_io.c |
* security/ccsecurity/policy_io.c |
3 |
* |
* |
4 |
* Copyright (C) 2005-2010 NTT DATA CORPORATION |
* Copyright (C) 2005-2011 NTT DATA CORPORATION |
5 |
* |
* |
6 |
* Version: 1.8.0+ 2010/12/31 |
* Version: 1.8.2-pre 2011/05/22 |
7 |
*/ |
*/ |
8 |
|
|
9 |
#include "internal.h" |
#include "internal.h" |
79 |
for (pos = pos ? pos : srcu_dereference((head)->next, &ccs_ss); \ |
for (pos = pos ? pos : srcu_dereference((head)->next, &ccs_ss); \ |
80 |
pos != (head); pos = srcu_dereference(pos->next, &ccs_ss)) |
pos != (head); pos = srcu_dereference(pos->next, &ccs_ss)) |
81 |
|
|
|
|
|
|
/* Profile version. Currently only 20100903 is defined. */ |
|
|
static unsigned int ccs_profile_version; |
|
|
|
|
|
/* Profile table. Memory is allocated as needed. */ |
|
|
static struct ccs_profile *ccs_profile_ptr[CCS_MAX_PROFILES]; |
|
|
|
|
82 |
/* String table for operation mode. */ |
/* String table for operation mode. */ |
83 |
const char * const ccs_mode[CCS_CONFIG_MAX_MODE] = { |
const char * const ccs_mode[CCS_CONFIG_MAX_MODE] = { |
84 |
[CCS_CONFIG_DISABLED] = "disabled", |
[CCS_CONFIG_DISABLED] = "disabled", |
270 |
return value ? "yes" : "no"; |
return value ? "yes" : "no"; |
271 |
} |
} |
272 |
|
|
273 |
/* Prototype fpr ccs_addprintf(). */ |
/* Prototype for ccs_addprintf(). */ |
274 |
static void ccs_addprintf(char *buffer, int len, const char *fmt, ...) |
static void ccs_addprintf(char *buffer, int len, const char *fmt, ...) |
275 |
__attribute__ ((format(printf, 3, 4))); |
__attribute__ ((format(printf, 3, 4))); |
276 |
|
|
303 |
{ |
{ |
304 |
while (head->r.w_pos) { |
while (head->r.w_pos) { |
305 |
const char *w = head->r.w[0]; |
const char *w = head->r.w[0]; |
306 |
int len = strlen(w); |
size_t len = strlen(w); |
307 |
if (len) { |
if (len) { |
308 |
if (len > head->read_user_buf_avail) |
if (len > head->read_user_buf_avail) |
309 |
len = head->read_user_buf_avail; |
len = head->read_user_buf_avail; |
315 |
head->read_user_buf += len; |
head->read_user_buf += len; |
316 |
w += len; |
w += len; |
317 |
} |
} |
318 |
if (*w) { |
head->r.w[0] = w; |
319 |
head->r.w[0] = w; |
if (*w) |
320 |
return false; |
return false; |
|
} |
|
321 |
/* Add '\0' for audit logs and query. */ |
/* Add '\0' for audit logs and query. */ |
322 |
if (head->poll) { |
if (head->poll) { |
323 |
if (!head->read_user_buf_avail || |
if (!head->read_user_buf_avail || |
355 |
printk(KERN_WARNING "Too many words in a line.\n"); |
printk(KERN_WARNING "Too many words in a line.\n"); |
356 |
} |
} |
357 |
|
|
358 |
|
/* Prototype for ccs_io_printf(). */ |
359 |
|
static void ccs_io_printf(struct ccs_io_buffer *head, const char *fmt, ...) |
360 |
|
__attribute__ ((format(printf, 2, 3))); |
361 |
|
|
362 |
/** |
/** |
363 |
* ccs_io_printf - printf() to "struct ccs_io_buffer" structure. |
* ccs_io_printf - printf() to "struct ccs_io_buffer" structure. |
364 |
* |
* |
367 |
* |
* |
368 |
* Returns nothing. |
* Returns nothing. |
369 |
*/ |
*/ |
370 |
void ccs_io_printf(struct ccs_io_buffer *head, const char *fmt, ...) |
static void ccs_io_printf(struct ccs_io_buffer *head, const char *fmt, ...) |
371 |
{ |
{ |
372 |
va_list args; |
va_list args; |
373 |
int len; |
size_t len; |
374 |
int pos = head->r.avail; |
size_t pos = head->r.avail; |
375 |
int size = head->readbuf_size - pos; |
int size = head->readbuf_size - pos; |
376 |
if (size <= 0) |
if (size <= 0) |
377 |
return; |
return; |
412 |
} |
} |
413 |
|
|
414 |
/** |
/** |
415 |
|
* ccs_set_slash - Put a shash to "struct ccs_io_buffer" structure. |
416 |
|
* |
417 |
|
* @head: Pointer to "struct ccs_io_buffer". |
418 |
|
* |
419 |
|
* Returns nothing. |
420 |
|
*/ |
421 |
|
static void ccs_set_slash(struct ccs_io_buffer *head) |
422 |
|
{ |
423 |
|
ccs_set_string(head, "/"); |
424 |
|
} |
425 |
|
|
426 |
|
/* List of namespaces. */ |
427 |
|
LIST_HEAD(ccs_namespace_list); |
428 |
|
/* True if namespace other than ccs_kernel_namespace is defined. */ |
429 |
|
static bool ccs_namespace_enabled; |
430 |
|
|
431 |
|
/** |
432 |
|
* ccs_init_policy_namespace - Initialize namespace. |
433 |
|
* |
434 |
|
* @ns: Pointer to "struct ccs_policy_namespace". |
435 |
|
* |
436 |
|
* Returns nothing. |
437 |
|
*/ |
438 |
|
void ccs_init_policy_namespace(struct ccs_policy_namespace *ns) |
439 |
|
{ |
440 |
|
unsigned int idx; |
441 |
|
for (idx = 0; idx < CCS_MAX_ACL_GROUPS; idx++) { |
442 |
|
INIT_LIST_HEAD(&ns->acl_group[idx][0]); |
443 |
|
INIT_LIST_HEAD(&ns->acl_group[idx][1]); |
444 |
|
} |
445 |
|
for (idx = 0; idx < CCS_MAX_GROUP; idx++) |
446 |
|
INIT_LIST_HEAD(&ns->group_list[idx]); |
447 |
|
for (idx = 0; idx < CCS_MAX_POLICY; idx++) |
448 |
|
INIT_LIST_HEAD(&ns->policy_list[idx]); |
449 |
|
ns->profile_version = 20100903; |
450 |
|
ccs_namespace_enabled = !list_empty(&ccs_namespace_list); |
451 |
|
list_add_tail_rcu(&ns->namespace_list, &ccs_namespace_list); |
452 |
|
} |
453 |
|
|
454 |
|
/** |
455 |
|
* ccs_print_namespace - Print namespace header. |
456 |
|
* |
457 |
|
* @head: Pointer to "struct ccs_io_buffer". |
458 |
|
* |
459 |
|
* Returns nothing. |
460 |
|
*/ |
461 |
|
static void ccs_print_namespace(struct ccs_io_buffer *head) |
462 |
|
{ |
463 |
|
if (!ccs_namespace_enabled) |
464 |
|
return; |
465 |
|
ccs_set_string(head, |
466 |
|
container_of(head->r.ns, struct ccs_policy_namespace, |
467 |
|
namespace_list)->name); |
468 |
|
ccs_set_space(head); |
469 |
|
} |
470 |
|
|
471 |
|
/** |
472 |
* ccs_assign_profile - Create a new profile. |
* ccs_assign_profile - Create a new profile. |
473 |
* |
* |
474 |
|
* @ns: Pointer to "struct ccs_policy_namespace". |
475 |
* @profile: Profile number to create. |
* @profile: Profile number to create. |
476 |
* |
* |
477 |
* Returns pointer to "struct ccs_profile" on success, NULL otherwise. |
* Returns pointer to "struct ccs_profile" on success, NULL otherwise. |
478 |
*/ |
*/ |
479 |
static struct ccs_profile *ccs_assign_profile(const unsigned int profile) |
static struct ccs_profile *ccs_assign_profile(struct ccs_policy_namespace *ns, |
480 |
|
const unsigned int profile) |
481 |
{ |
{ |
482 |
struct ccs_profile *ptr; |
struct ccs_profile *ptr; |
483 |
struct ccs_profile *entry; |
struct ccs_profile *entry; |
484 |
if (profile >= CCS_MAX_PROFILES) |
if (profile >= CCS_MAX_PROFILES) |
485 |
return NULL; |
return NULL; |
486 |
ptr = ccs_profile_ptr[profile]; |
ptr = ns->profile_ptr[profile]; |
487 |
if (ptr) |
if (ptr) |
488 |
return ptr; |
return ptr; |
489 |
entry = kzalloc(sizeof(*entry), CCS_GFP_FLAGS); |
entry = kzalloc(sizeof(*entry), CCS_GFP_FLAGS); |
490 |
if (mutex_lock_interruptible(&ccs_policy_lock)) |
if (mutex_lock_interruptible(&ccs_policy_lock)) |
491 |
goto out; |
goto out; |
492 |
ptr = ccs_profile_ptr[profile]; |
ptr = ns->profile_ptr[profile]; |
493 |
if (!ptr && ccs_memory_ok(entry, sizeof(*entry))) { |
if (!ptr && ccs_memory_ok(entry, sizeof(*entry))) { |
494 |
ptr = entry; |
ptr = entry; |
495 |
ptr->default_config = CCS_CONFIG_DISABLED | |
ptr->default_config = CCS_CONFIG_DISABLED | |
501 |
ptr->pref[CCS_PREF_MAX_LEARNING_ENTRY] = |
ptr->pref[CCS_PREF_MAX_LEARNING_ENTRY] = |
502 |
CONFIG_CCSECURITY_MAX_ACCEPT_ENTRY; |
CONFIG_CCSECURITY_MAX_ACCEPT_ENTRY; |
503 |
mb(); /* Avoid out-of-order execution. */ |
mb(); /* Avoid out-of-order execution. */ |
504 |
ccs_profile_ptr[profile] = ptr; |
ns->profile_ptr[profile] = ptr; |
505 |
entry = NULL; |
entry = NULL; |
506 |
} |
} |
507 |
mutex_unlock(&ccs_policy_lock); |
mutex_unlock(&ccs_policy_lock); |
520 |
struct ccs_domain_info *domain; |
struct ccs_domain_info *domain; |
521 |
const int idx = ccs_read_lock(); |
const int idx = ccs_read_lock(); |
522 |
ccs_policy_loaded = true; |
ccs_policy_loaded = true; |
523 |
|
printk(KERN_INFO "CCSecurity: 1.8.2-pre 2011/05/22\n"); |
524 |
list_for_each_entry_srcu(domain, &ccs_domain_list, list, &ccs_ss) { |
list_for_each_entry_srcu(domain, &ccs_domain_list, list, &ccs_ss) { |
525 |
const u8 profile = domain->profile; |
const u8 profile = domain->profile; |
526 |
if (ccs_profile_ptr[profile]) |
const struct ccs_policy_namespace *ns = domain->ns; |
527 |
|
if (ns->profile_version != 20100903) |
528 |
|
printk(KERN_ERR |
529 |
|
"Profile version %u is not supported.\n", |
530 |
|
ns->profile_version); |
531 |
|
else if (!ns->profile_ptr[profile]) |
532 |
|
printk(KERN_ERR |
533 |
|
"Profile %u (used by '%s') is not defined.\n", |
534 |
|
profile, domain->domainname->name); |
535 |
|
else |
536 |
continue; |
continue; |
537 |
printk(KERN_ERR "Profile %u must be defined before using it.\n", |
printk(KERN_ERR |
538 |
profile); |
"Userland tools for TOMOYO 1.8 must be installed and " |
539 |
|
"policy must be initialized.\n"); |
540 |
printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/1.8/ " |
printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/1.8/ " |
541 |
"for more information.\n"); |
"for more information.\n"); |
542 |
panic("Profile %u (used by '%s') not defined.\n", |
panic("STOP!"); |
|
profile, domain->domainname->name); |
|
543 |
} |
} |
544 |
ccs_read_unlock(idx); |
ccs_read_unlock(idx); |
|
if (ccs_profile_version != 20100903) { |
|
|
printk(KERN_ERR "Userland tools must be installed for " |
|
|
"TOMOYO 1.8, and policy must be initialized.\n"); |
|
|
printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/1.8/ " |
|
|
"for more information.\n"); |
|
|
panic("Profile version %u is not supported.\n", |
|
|
ccs_profile_version); |
|
|
} |
|
|
printk(KERN_INFO "CCSecurity: 1.8.0+ 2010/12/31\n"); |
|
545 |
printk(KERN_INFO "Mandatory Access Control activated.\n"); |
printk(KERN_INFO "Mandatory Access Control activated.\n"); |
546 |
} |
} |
547 |
|
|
555 |
struct ccs_profile *ccs_profile(const u8 profile) |
struct ccs_profile *ccs_profile(const u8 profile) |
556 |
{ |
{ |
557 |
static struct ccs_profile ccs_null_profile; |
static struct ccs_profile ccs_null_profile; |
558 |
struct ccs_profile *ptr = ccs_profile_ptr[profile]; |
struct ccs_profile *ptr = ccs_current_namespace()-> |
559 |
|
profile_ptr[profile]; |
560 |
if (!ptr) |
if (!ptr) |
561 |
ptr = &ccs_null_profile; |
ptr = &ccs_null_profile; |
562 |
return ptr; |
return ptr; |
690 |
unsigned int i; |
unsigned int i; |
691 |
char *cp; |
char *cp; |
692 |
struct ccs_profile *profile; |
struct ccs_profile *profile; |
693 |
if (sscanf(data, "PROFILE_VERSION=%u", &ccs_profile_version) == 1) |
if (sscanf(data, "PROFILE_VERSION=%u", &head->w.ns->profile_version) |
694 |
|
== 1) |
695 |
return 0; |
return 0; |
696 |
i = simple_strtoul(data, &cp, 10); |
i = simple_strtoul(data, &cp, 10); |
697 |
if (*cp != '-') |
if (*cp != '-') |
698 |
return -EINVAL; |
return -EINVAL; |
699 |
data = cp + 1; |
data = cp + 1; |
700 |
profile = ccs_assign_profile(i); |
profile = ccs_assign_profile(head->w.ns, i); |
701 |
if (!profile) |
if (!profile) |
702 |
return -EINVAL; |
return -EINVAL; |
703 |
cp = strchr(data, '='); |
cp = strchr(data, '='); |
705 |
return -EINVAL; |
return -EINVAL; |
706 |
*cp++ = '\0'; |
*cp++ = '\0'; |
707 |
if (!strcmp(data, "COMMENT")) { |
if (!strcmp(data, "COMMENT")) { |
708 |
const struct ccs_path_info *old_comment = profile->comment; |
static DEFINE_SPINLOCK(lock); |
709 |
profile->comment = ccs_get_name(cp); |
const struct ccs_path_info *new_comment = ccs_get_name(cp); |
710 |
|
const struct ccs_path_info *old_comment; |
711 |
|
if (!new_comment) |
712 |
|
return -ENOMEM; |
713 |
|
spin_lock(&lock); |
714 |
|
old_comment = profile->comment; |
715 |
|
profile->comment = new_comment; |
716 |
|
spin_unlock(&lock); |
717 |
ccs_put_name(old_comment); |
ccs_put_name(old_comment); |
718 |
return 0; |
return 0; |
719 |
} |
} |
754 |
static void ccs_read_profile(struct ccs_io_buffer *head) |
static void ccs_read_profile(struct ccs_io_buffer *head) |
755 |
{ |
{ |
756 |
u8 index; |
u8 index; |
757 |
|
struct ccs_policy_namespace *ns = container_of(head->r.ns, typeof(*ns), |
758 |
|
namespace_list); |
759 |
const struct ccs_profile *profile; |
const struct ccs_profile *profile; |
760 |
|
if (head->r.eof) |
761 |
|
return; |
762 |
next: |
next: |
763 |
index = head->r.index; |
index = head->r.index; |
764 |
profile = ccs_profile_ptr[index]; |
profile = ns->profile_ptr[index]; |
765 |
switch (head->r.step) { |
switch (head->r.step) { |
766 |
case 0: |
case 0: |
767 |
ccs_io_printf(head, "PROFILE_VERSION=%s\n", "20100903"); |
ccs_print_namespace(head); |
768 |
|
ccs_io_printf(head, "PROFILE_VERSION=%u\n", 20100903); |
769 |
head->r.step++; |
head->r.step++; |
770 |
break; |
break; |
771 |
case 1: |
case 1: |
772 |
for ( ; head->r.index < CCS_MAX_PROFILES; |
for ( ; head->r.index < CCS_MAX_PROFILES; head->r.index++) |
773 |
head->r.index++) |
if (ns->profile_ptr[head->r.index]) |
|
if (ccs_profile_ptr[head->r.index]) |
|
774 |
break; |
break; |
775 |
if (head->r.index == CCS_MAX_PROFILES) |
if (head->r.index == CCS_MAX_PROFILES) { |
776 |
|
head->r.eof = true; |
777 |
return; |
return; |
778 |
|
} |
779 |
head->r.step++; |
head->r.step++; |
780 |
break; |
break; |
781 |
case 2: |
case 2: |
782 |
{ |
{ |
783 |
u8 i; |
u8 i; |
784 |
const struct ccs_path_info *comment = profile->comment; |
const struct ccs_path_info *comment = profile->comment; |
785 |
|
ccs_print_namespace(head); |
786 |
ccs_io_printf(head, "%u-COMMENT=", index); |
ccs_io_printf(head, "%u-COMMENT=", index); |
787 |
ccs_set_string(head, comment ? comment->name : ""); |
ccs_set_string(head, comment ? comment->name : ""); |
788 |
ccs_set_lf(head); |
ccs_set_lf(head); |
789 |
|
ccs_print_namespace(head); |
790 |
ccs_io_printf(head, "%u-PREFERENCE={ ", index); |
ccs_io_printf(head, "%u-PREFERENCE={ ", index); |
791 |
for (i = 0; i < CCS_MAX_PREF; i++) |
for (i = 0; i < CCS_MAX_PREF; i++) |
792 |
ccs_io_printf(head, "%s=%u ", |
ccs_io_printf(head, "%s=%u ", |
793 |
ccs_pref_keywords[i], |
ccs_pref_keywords[i], |
794 |
profile->pref[i]); |
profile->pref[i]); |
795 |
ccs_set_string(head, " }\n"); |
ccs_set_string(head, "}\n"); |
796 |
head->r.step++; |
head->r.step++; |
797 |
} |
} |
798 |
break; |
break; |
799 |
case 3: |
case 3: |
800 |
{ |
{ |
801 |
|
ccs_print_namespace(head); |
802 |
ccs_io_printf(head, "%u-%s", index, "CONFIG"); |
ccs_io_printf(head, "%u-%s", index, "CONFIG"); |
803 |
ccs_print_config(head, profile->default_config); |
ccs_print_config(head, profile->default_config); |
804 |
head->r.bit = 0; |
head->r.bit = 0; |
812 |
const u8 config = profile->config[i]; |
const u8 config = profile->config[i]; |
813 |
if (config == CCS_CONFIG_USE_DEFAULT) |
if (config == CCS_CONFIG_USE_DEFAULT) |
814 |
continue; |
continue; |
815 |
|
ccs_print_namespace(head); |
816 |
if (i < CCS_MAX_MAC_INDEX) |
if (i < CCS_MAX_MAC_INDEX) |
817 |
ccs_io_printf(head, "%u-CONFIG::%s::%s", index, |
ccs_io_printf(head, "%u-CONFIG::%s::%s", index, |
818 |
ccs_category_keywords |
ccs_category_keywords |
859 |
* |
* |
860 |
* Returns 0 on success, negative value otherwise. |
* Returns 0 on success, negative value otherwise. |
861 |
*/ |
*/ |
862 |
static int ccs_update_manager_entry(const char *manager, const bool is_delete) |
static inline int ccs_update_manager_entry(const char *manager, |
863 |
|
const bool is_delete) |
864 |
{ |
{ |
865 |
struct ccs_manager e = { }; |
struct ccs_manager e = { }; |
866 |
|
struct ccs_acl_param param = { |
867 |
|
/* .ns = &ccs_kernel_namespace, */ |
868 |
|
.is_delete = is_delete, |
869 |
|
.list = &ccs_kernel_namespace.policy_list[CCS_ID_MANAGER], |
870 |
|
}; |
871 |
int error = is_delete ? -ENOENT : -ENOMEM; |
int error = is_delete ? -ENOENT : -ENOMEM; |
872 |
if (ccs_domain_def(manager)) { |
if (ccs_domain_def(manager)) { |
873 |
if (!ccs_correct_domain(manager)) |
if (!ccs_correct_domain(manager)) |
878 |
return -EINVAL; |
return -EINVAL; |
879 |
} |
} |
880 |
e.manager = ccs_get_name(manager); |
e.manager = ccs_get_name(manager); |
881 |
if (!e.manager) |
if (e.manager) { |
882 |
return error; |
error = ccs_update_policy(&e.head, sizeof(e), ¶m, |
883 |
error = ccs_update_policy(&e.head, sizeof(e), is_delete, |
ccs_same_manager); |
884 |
&ccs_policy_list[CCS_ID_MANAGER], |
ccs_put_name(e.manager); |
885 |
ccs_same_manager); |
} |
|
ccs_put_name(e.manager); |
|
886 |
return error; |
return error; |
887 |
} |
} |
888 |
|
|
895 |
*/ |
*/ |
896 |
static int ccs_write_manager(struct ccs_io_buffer *head) |
static int ccs_write_manager(struct ccs_io_buffer *head) |
897 |
{ |
{ |
898 |
char *data = head->write_buf; |
const char *data = head->write_buf; |
|
bool is_delete = ccs_str_starts(&data, "delete "); |
|
899 |
if (!strcmp(data, "manage_by_non_root")) { |
if (!strcmp(data, "manage_by_non_root")) { |
900 |
ccs_manage_by_non_root = !is_delete; |
ccs_manage_by_non_root = !head->w.is_delete; |
901 |
return 0; |
return 0; |
902 |
} |
} |
903 |
return ccs_update_manager_entry(data, is_delete); |
return ccs_update_manager_entry(data, head->w.is_delete); |
904 |
} |
} |
905 |
|
|
906 |
/** |
/** |
916 |
{ |
{ |
917 |
if (head->r.eof) |
if (head->r.eof) |
918 |
return; |
return; |
919 |
list_for_each_cookie(head->r.acl, &ccs_policy_list[CCS_ID_MANAGER]) { |
list_for_each_cookie(head->r.acl, &ccs_kernel_namespace. |
920 |
|
policy_list[CCS_ID_MANAGER]) { |
921 |
struct ccs_manager *ptr = |
struct ccs_manager *ptr = |
922 |
list_entry(head->r.acl, typeof(*ptr), head.list); |
list_entry(head->r.acl, typeof(*ptr), head.list); |
923 |
if (ptr->head.is_deleted) |
if (ptr->head.is_deleted) |
953 |
if (!ccs_manage_by_non_root && (current_uid() || current_euid())) |
if (!ccs_manage_by_non_root && (current_uid() || current_euid())) |
954 |
return false; |
return false; |
955 |
exe = ccs_get_exe(); |
exe = ccs_get_exe(); |
956 |
list_for_each_entry_srcu(ptr, &ccs_policy_list[CCS_ID_MANAGER], |
list_for_each_entry_srcu(ptr, &ccs_kernel_namespace. |
957 |
head.list, &ccs_ss) { |
policy_list[CCS_ID_MANAGER], head.list, |
958 |
|
&ccs_ss) { |
959 |
if (ptr->head.is_deleted) |
if (ptr->head.is_deleted) |
960 |
continue; |
continue; |
961 |
if (ptr->is_domain) { |
if (ptr->is_domain) { |
984 |
} |
} |
985 |
|
|
986 |
/** |
/** |
987 |
* ccs_select_one - Parse select command. |
* ccs_select_domain - Parse select command. |
988 |
* |
* |
989 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
990 |
* @data: String to parse. |
* @data: String to parse. |
993 |
* |
* |
994 |
* Caller holds ccs_read_lock(). |
* Caller holds ccs_read_lock(). |
995 |
*/ |
*/ |
996 |
static bool ccs_select_one(struct ccs_io_buffer *head, const char *data) |
static bool ccs_select_domain(struct ccs_io_buffer *head, const char *data) |
997 |
{ |
{ |
998 |
unsigned int pid; |
unsigned int pid; |
999 |
struct ccs_domain_info *domain = NULL; |
struct ccs_domain_info *domain = NULL; |
1000 |
bool global_pid = false; |
bool global_pid = false; |
1001 |
if (!strcmp(data, "execute")) { |
if (strncmp(data, "select ", 7)) |
1002 |
head->r.print_execute_only = true; |
return false; |
1003 |
return true; |
data += 7; |
|
} |
|
1004 |
if (sscanf(data, "pid=%u", &pid) == 1 || |
if (sscanf(data, "pid=%u", &pid) == 1 || |
1005 |
(global_pid = true, sscanf(data, "global-pid=%u", &pid) == 1)) { |
(global_pid = true, sscanf(data, "global-pid=%u", &pid) == 1)) { |
1006 |
struct task_struct *p; |
struct task_struct *p; |
1018 |
domain = ccs_task_domain(p); |
domain = ccs_task_domain(p); |
1019 |
ccs_tasklist_unlock(); |
ccs_tasklist_unlock(); |
1020 |
} else if (!strncmp(data, "domain=", 7)) { |
} else if (!strncmp(data, "domain=", 7)) { |
1021 |
if (ccs_domain_def(data + 7)) |
if (*(data + 7) == '<') |
1022 |
domain = ccs_find_domain(data + 7); |
domain = ccs_find_domain(data + 7); |
1023 |
} else |
} else |
1024 |
return false; |
return false; |
1076 |
* @param: Pointer to "struct ccs_acl_param". |
* @param: Pointer to "struct ccs_acl_param". |
1077 |
* |
* |
1078 |
* Returns 0 on success, negative value otherwise. |
* Returns 0 on success, negative value otherwise. |
1079 |
|
* |
1080 |
|
* Caller holds ccs_read_lock(). |
1081 |
*/ |
*/ |
1082 |
static int ccs_write_task(struct ccs_acl_param *param) |
static int ccs_write_task(struct ccs_acl_param *param) |
1083 |
{ |
{ |
1126 |
/** |
/** |
1127 |
* ccs_write_domain2 - Write domain policy. |
* ccs_write_domain2 - Write domain policy. |
1128 |
* |
* |
1129 |
|
* @ns: Pointer to "struct ccs_policy_namespace". |
1130 |
|
* @list: Pointer to "struct list_head [2]". |
1131 |
* @data: Policy to be interpreted. |
* @data: Policy to be interpreted. |
|
* @domain: Pointer to "struct ccs_domain_info". |
|
1132 |
* @is_delete: True if it is a delete request. |
* @is_delete: True if it is a delete request. |
1133 |
* |
* |
1134 |
* Returns 0 on success, negative value otherwise. |
* Returns 0 on success, negative value otherwise. |
1135 |
|
* |
1136 |
|
* Caller holds ccs_read_lock(). |
1137 |
*/ |
*/ |
1138 |
static int ccs_write_domain2(char *data, struct ccs_domain_info *domain, |
static int ccs_write_domain2(struct ccs_policy_namespace *ns, |
1139 |
|
struct list_head list[2], char *data, |
1140 |
const bool is_delete) |
const bool is_delete) |
1141 |
{ |
{ |
1142 |
struct ccs_acl_param param = { |
struct ccs_acl_param param = { |
1143 |
|
.ns = ns, |
1144 |
|
.list = list, |
1145 |
.data = data, |
.data = data, |
|
.domain = domain, |
|
1146 |
.is_delete = is_delete, |
.is_delete = is_delete, |
1147 |
}; |
}; |
1148 |
static const struct { |
static const struct { |
1154 |
{ "network unix ", ccs_write_unix_network }, |
{ "network unix ", ccs_write_unix_network }, |
1155 |
{ "misc ", ccs_write_misc }, |
{ "misc ", ccs_write_misc }, |
1156 |
{ "capability ", ccs_write_capability }, |
{ "capability ", ccs_write_capability }, |
1157 |
{ "ipc ", ccs_write_ipc }, |
{ "ipc signal ", ccs_write_ipc }, |
1158 |
{ "task ", ccs_write_task }, |
{ "task ", ccs_write_task }, |
1159 |
}; |
}; |
1160 |
u8 i; |
u8 i; |
1166 |
return -EINVAL; |
return -EINVAL; |
1167 |
} |
} |
1168 |
|
|
1169 |
|
/** |
1170 |
|
* ccs_delete_domain - Delete a domain. |
1171 |
|
* |
1172 |
|
* @domainname: The name of domain. |
1173 |
|
* |
1174 |
|
* Returns 0. |
1175 |
|
*/ |
1176 |
|
static int ccs_delete_domain(char *domainname) |
1177 |
|
{ |
1178 |
|
struct ccs_domain_info *domain; |
1179 |
|
struct ccs_path_info name; |
1180 |
|
name.name = domainname; |
1181 |
|
ccs_fill_path_info(&name); |
1182 |
|
if (mutex_lock_interruptible(&ccs_policy_lock)) |
1183 |
|
return 0; |
1184 |
|
/* Is there an active domain? */ |
1185 |
|
list_for_each_entry_srcu(domain, &ccs_domain_list, list, &ccs_ss) { |
1186 |
|
/* Never delete ccs_kernel_domain. */ |
1187 |
|
if (domain == &ccs_kernel_domain) |
1188 |
|
continue; |
1189 |
|
if (domain->is_deleted || |
1190 |
|
ccs_pathcmp(domain->domainname, &name)) |
1191 |
|
continue; |
1192 |
|
domain->is_deleted = true; |
1193 |
|
break; |
1194 |
|
} |
1195 |
|
mutex_unlock(&ccs_policy_lock); |
1196 |
|
return 0; |
1197 |
|
} |
1198 |
|
|
1199 |
/* String table for domain flags. */ |
/* String table for domain flags. */ |
1200 |
const char * const ccs_dif[CCS_MAX_DOMAIN_INFO_FLAGS] = { |
const char * const ccs_dif[CCS_MAX_DOMAIN_INFO_FLAGS] = { |
1201 |
[CCS_DIF_QUOTA_WARNED] = "quota_exceeded\n", |
[CCS_DIF_QUOTA_WARNED] = "quota_exceeded\n", |
1208 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
1209 |
* |
* |
1210 |
* Returns 0 on success, negative value otherwise. |
* Returns 0 on success, negative value otherwise. |
1211 |
|
* |
1212 |
|
* Caller holds ccs_read_lock(). |
1213 |
*/ |
*/ |
1214 |
static int ccs_write_domain(struct ccs_io_buffer *head) |
static int ccs_write_domain(struct ccs_io_buffer *head) |
1215 |
{ |
{ |
1216 |
char *data = head->write_buf; |
char *data = head->write_buf; |
1217 |
|
struct ccs_policy_namespace *ns; |
1218 |
struct ccs_domain_info *domain = head->w.domain; |
struct ccs_domain_info *domain = head->w.domain; |
1219 |
bool is_delete = false; |
const bool is_delete = head->w.is_delete; |
1220 |
bool is_select = false; |
const bool is_select = !is_delete && ccs_str_starts(&data, "select "); |
1221 |
unsigned int profile; |
unsigned int profile; |
1222 |
if (ccs_str_starts(&data, "delete ")) |
if (*data == '<') { |
|
is_delete = true; |
|
|
else if (ccs_str_starts(&data, "select ")) |
|
|
is_select = true; |
|
|
if (is_select && ccs_select_one(head, data)) |
|
|
return 0; |
|
|
/* Don't allow updating policies by non manager programs. */ |
|
|
if (!ccs_manager()) |
|
|
return -EPERM; |
|
|
if (ccs_domain_def(data)) { |
|
1223 |
domain = NULL; |
domain = NULL; |
1224 |
if (is_delete) |
if (is_delete) |
1225 |
ccs_delete_domain(data); |
ccs_delete_domain(data); |
1226 |
else if (is_select) |
else if (is_select) |
1227 |
domain = ccs_find_domain(data); |
domain = ccs_find_domain(data); |
1228 |
else |
else |
1229 |
domain = ccs_assign_domain(data, 0, 0, false); |
domain = ccs_assign_domain(data, false); |
1230 |
head->w.domain = domain; |
head->w.domain = domain; |
1231 |
return 0; |
return 0; |
1232 |
} |
} |
1233 |
if (!domain) |
if (!domain) |
1234 |
return -EINVAL; |
return -EINVAL; |
1235 |
|
ns = domain->ns; |
1236 |
if (sscanf(data, "use_profile %u\n", &profile) == 1 |
if (sscanf(data, "use_profile %u\n", &profile) == 1 |
1237 |
&& profile < CCS_MAX_PROFILES) { |
&& profile < CCS_MAX_PROFILES) { |
1238 |
if (!ccs_policy_loaded || ccs_profile_ptr[(u8) profile]) |
if (!ccs_policy_loaded || ns->profile_ptr[(u8) profile]) |
1239 |
if (!is_delete) |
if (!is_delete) |
1240 |
domain->profile = (u8) profile; |
domain->profile = (u8) profile; |
1241 |
return 0; |
return 0; |
1253 |
domain->flags[profile] = !is_delete; |
domain->flags[profile] = !is_delete; |
1254 |
return 0; |
return 0; |
1255 |
} |
} |
1256 |
return ccs_write_domain2(data, domain, is_delete); |
return ccs_write_domain2(ns, domain->acl_info_list, data, is_delete); |
1257 |
} |
} |
1258 |
|
|
1259 |
/** |
/** |
1267 |
static void ccs_print_name_union(struct ccs_io_buffer *head, |
static void ccs_print_name_union(struct ccs_io_buffer *head, |
1268 |
const struct ccs_name_union *ptr) |
const struct ccs_name_union *ptr) |
1269 |
{ |
{ |
1270 |
const bool cond = head->r.print_cond_part; |
ccs_set_space(head); |
|
if (!cond) |
|
|
ccs_set_space(head); |
|
1271 |
if (ptr->is_group) { |
if (ptr->is_group) { |
1272 |
ccs_set_string(head, "@"); |
ccs_set_string(head, "@"); |
1273 |
ccs_set_string(head, ptr->group->group_name->name); |
ccs_set_string(head, ptr->group->group_name->name); |
1274 |
} else { |
} else { |
|
if (cond) |
|
|
ccs_set_string(head, "\""); |
|
1275 |
ccs_set_string(head, ptr->filename->name); |
ccs_set_string(head, ptr->filename->name); |
|
if (cond) |
|
|
ccs_set_string(head, "\""); |
|
1276 |
} |
} |
1277 |
} |
} |
1278 |
|
|
1279 |
/** |
/** |
1280 |
* ccs_print_number_union - Print a ccs_number_union. |
* ccs_print_name_union_quoted - Print a ccs_name_union with a quote. |
1281 |
|
* |
1282 |
|
* @head: Pointer to "struct ccs_io_buffer". |
1283 |
|
* @ptr: Pointer to "struct ccs_name_union". |
1284 |
|
* |
1285 |
|
* Returns nothing. |
1286 |
|
*/ |
1287 |
|
static void ccs_print_name_union_quoted(struct ccs_io_buffer *head, |
1288 |
|
const struct ccs_name_union *ptr) |
1289 |
|
{ |
1290 |
|
if (ptr->is_group) { |
1291 |
|
ccs_set_string(head, "@"); |
1292 |
|
ccs_set_string(head, ptr->group->group_name->name); |
1293 |
|
} else { |
1294 |
|
ccs_set_string(head, "\""); |
1295 |
|
ccs_set_string(head, ptr->filename->name); |
1296 |
|
ccs_set_string(head, "\""); |
1297 |
|
} |
1298 |
|
} |
1299 |
|
|
1300 |
|
/** |
1301 |
|
* ccs_print_number_union_nospace - Print a ccs_number_union without a space. |
1302 |
* |
* |
1303 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
1304 |
* @ptr: Pointer to "struct ccs_number_union". |
* @ptr: Pointer to "struct ccs_number_union". |
1305 |
* |
* |
1306 |
* Returns nothing. |
* Returns nothing. |
1307 |
*/ |
*/ |
1308 |
static void ccs_print_number_union(struct ccs_io_buffer *head, |
static void ccs_print_number_union_nospace(struct ccs_io_buffer *head, |
1309 |
const struct ccs_number_union *ptr) |
const struct ccs_number_union *ptr) |
1310 |
{ |
{ |
|
if (!head->r.print_cond_part) |
|
|
ccs_set_space(head); |
|
1311 |
if (ptr->is_group) { |
if (ptr->is_group) { |
1312 |
ccs_set_string(head, "@"); |
ccs_set_string(head, "@"); |
1313 |
ccs_set_string(head, ptr->group->group_name->name); |
ccs_set_string(head, ptr->group->group_name->name); |
1345 |
} |
} |
1346 |
|
|
1347 |
/** |
/** |
1348 |
|
* ccs_print_number_union - Print a ccs_number_union. |
1349 |
|
* |
1350 |
|
* @head: Pointer to "struct ccs_io_buffer". |
1351 |
|
* @ptr: Pointer to "struct ccs_number_union". |
1352 |
|
* |
1353 |
|
* Returns nothing. |
1354 |
|
*/ |
1355 |
|
static void ccs_print_number_union(struct ccs_io_buffer *head, |
1356 |
|
const struct ccs_number_union *ptr) |
1357 |
|
{ |
1358 |
|
ccs_set_space(head); |
1359 |
|
ccs_print_number_union_nospace(head, ptr); |
1360 |
|
} |
1361 |
|
|
1362 |
|
/** |
1363 |
* ccs_print_condition - Print condition part. |
* ccs_print_condition - Print condition part. |
1364 |
* |
* |
1365 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
1426 |
switch (left) { |
switch (left) { |
1427 |
case CCS_ARGV_ENTRY: |
case CCS_ARGV_ENTRY: |
1428 |
ccs_io_printf(head, |
ccs_io_printf(head, |
1429 |
"exec.argv[%u]%s\"%s\"", |
"exec.argv[%lu]%s=\"", |
1430 |
argv->index, |
argv->index, |
1431 |
argv->is_not ? |
argv->is_not ? "!" : ""); |
1432 |
"!=" : "=", |
ccs_set_string(head, |
1433 |
argv->value->name); |
argv->value->name); |
1434 |
|
ccs_set_string(head, "\""); |
1435 |
argv++; |
argv++; |
1436 |
continue; |
continue; |
1437 |
case CCS_ENVP_ENTRY: |
case CCS_ENVP_ENTRY: |
1438 |
ccs_io_printf(head, |
ccs_set_string(head, "exec.envp[\""); |
1439 |
"exec.envp[\"%s\"]%s", |
ccs_set_string(head, envp->name->name); |
1440 |
envp->name->name, |
ccs_io_printf(head, "\"]%s=", |
1441 |
envp->is_not ? |
envp->is_not ? "!" : ""); |
|
"!=" : "="); |
|
1442 |
if (envp->value) { |
if (envp->value) { |
1443 |
ccs_set_string(head, "\""); |
ccs_set_string(head, "\""); |
1444 |
ccs_set_string(head, envp-> |
ccs_set_string(head, envp-> |
1450 |
envp++; |
envp++; |
1451 |
continue; |
continue; |
1452 |
case CCS_NUMBER_UNION: |
case CCS_NUMBER_UNION: |
1453 |
ccs_print_number_union(head, |
ccs_print_number_union_nospace |
1454 |
numbers_p++); |
(head, numbers_p++); |
1455 |
break; |
break; |
1456 |
default: |
default: |
1457 |
ccs_set_string(head, |
ccs_set_string(head, |
1461 |
ccs_set_string(head, match ? "=" : "!="); |
ccs_set_string(head, match ? "=" : "!="); |
1462 |
switch (right) { |
switch (right) { |
1463 |
case CCS_NAME_UNION: |
case CCS_NAME_UNION: |
1464 |
ccs_print_name_union(head, names_p++); |
ccs_print_name_union_quoted |
1465 |
|
(head, names_p++); |
1466 |
break; |
break; |
1467 |
case CCS_NUMBER_UNION: |
case CCS_NUMBER_UNION: |
1468 |
ccs_print_number_union(head, |
ccs_print_number_union_nospace |
1469 |
numbers_p++); |
(head, numbers_p++); |
1470 |
break; |
break; |
1471 |
default: |
default: |
1472 |
ccs_set_string(head, |
ccs_set_string(head, |
1488 |
ccs_yesno(cond->grant_log == |
ccs_yesno(cond->grant_log == |
1489 |
CCS_GRANTLOG_YES)); |
CCS_GRANTLOG_YES)); |
1490 |
if (cond->transit) { |
if (cond->transit) { |
1491 |
ccs_set_string(head, " auto_domain_transition=\""); |
const char *name = cond->transit->name; |
1492 |
ccs_set_string(head, cond->transit->name); |
ccs_set_string(head, *name == '<' ? |
1493 |
|
" auto_namespace_transition=\"" : |
1494 |
|
" auto_domain_transition=\""); |
1495 |
|
ccs_set_string(head, name); |
1496 |
ccs_set_string(head, "\""); |
ccs_set_string(head, "\""); |
1497 |
} |
} |
1498 |
ccs_set_lf(head); |
ccs_set_lf(head); |
1502 |
} |
} |
1503 |
|
|
1504 |
/** |
/** |
1505 |
* ccs_fns - Find next set bit. |
* ccs_set_group - Print "acl_group " header keyword and category name. |
|
* |
|
|
* @perm: 8 bits value. |
|
|
* @bit: First bit to find. |
|
|
* |
|
|
* Returns next set bit on success, 8 otherwise. |
|
|
*/ |
|
|
static u8 ccs_fns(const u8 perm, u8 bit) |
|
|
{ |
|
|
for ( ; bit < 8; bit++) |
|
|
if (perm & (1 << bit)) |
|
|
break; |
|
|
return bit; |
|
|
} |
|
|
|
|
|
/** |
|
|
* ccs_set_group - Print "acl_group " header keyword. |
|
1506 |
* |
* |
1507 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
1508 |
|
* @category: Category name. |
1509 |
* |
* |
1510 |
* Returns nothing. |
* Returns nothing. |
1511 |
*/ |
*/ |
1512 |
static void ccs_set_group(struct ccs_io_buffer *head) |
static void ccs_set_group(struct ccs_io_buffer *head, const char *category) |
1513 |
{ |
{ |
1514 |
if (head->type == CCS_EXCEPTIONPOLICY) |
if (head->type == CCS_EXCEPTIONPOLICY) { |
1515 |
ccs_io_printf(head, "acl_group %u ", head->r.group_index); |
ccs_print_namespace(head); |
1516 |
|
ccs_io_printf(head, "acl_group %u ", head->r.acl_group_index); |
1517 |
|
} |
1518 |
|
ccs_set_string(head, category); |
1519 |
} |
} |
1520 |
|
|
1521 |
/** |
/** |
1530 |
const struct ccs_acl_info *acl) |
const struct ccs_acl_info *acl) |
1531 |
{ |
{ |
1532 |
const u8 acl_type = acl->type; |
const u8 acl_type = acl->type; |
1533 |
|
const bool may_trigger_transition = acl->cond && acl->cond->transit; |
1534 |
|
bool first = true; |
1535 |
u8 bit; |
u8 bit; |
1536 |
if (head->r.print_cond_part) |
if (head->r.print_cond_part) |
1537 |
goto print_cond_part; |
goto print_cond_part; |
1538 |
if (acl->is_deleted) |
if (acl->is_deleted) |
1539 |
return true; |
return true; |
|
next: |
|
|
bit = head->r.bit; |
|
1540 |
if (!ccs_flush(head)) |
if (!ccs_flush(head)) |
1541 |
return false; |
return false; |
1542 |
else if (acl_type == CCS_TYPE_PATH_ACL) { |
else if (acl_type == CCS_TYPE_PATH_ACL) { |
1543 |
struct ccs_path_acl *ptr |
struct ccs_path_acl *ptr |
1544 |
= container_of(acl, typeof(*ptr), head); |
= container_of(acl, typeof(*ptr), head); |
1545 |
const u16 perm = ptr->perm; |
const u16 perm = ptr->perm; |
1546 |
for ( ; bit < CCS_MAX_PATH_OPERATION; bit++) { |
for (bit = 0; bit < CCS_MAX_PATH_OPERATION; bit++) { |
1547 |
if (!(perm & (1 << bit))) |
if (!(perm & (1 << bit))) |
1548 |
continue; |
continue; |
1549 |
if (head->r.print_execute_only && |
if (head->r.print_transition_related_only && |
1550 |
bit != CCS_TYPE_EXECUTE |
bit != CCS_TYPE_EXECUTE && !may_trigger_transition) |
|
/* && bit != CCS_TYPE_TRANSIT */) |
|
1551 |
continue; |
continue; |
1552 |
break; |
if (first) { |
1553 |
|
ccs_set_group(head, "file "); |
1554 |
|
first = false; |
1555 |
|
} else { |
1556 |
|
ccs_set_slash(head); |
1557 |
|
} |
1558 |
|
ccs_set_string(head, ccs_path_keyword[bit]); |
1559 |
} |
} |
1560 |
if (bit >= CCS_MAX_PATH_OPERATION) |
if (first) |
1561 |
goto done; |
return true; |
|
ccs_set_group(head); |
|
|
ccs_set_string(head, "file "); |
|
|
ccs_set_string(head, ccs_path_keyword[bit]); |
|
1562 |
ccs_print_name_union(head, &ptr->name); |
ccs_print_name_union(head, &ptr->name); |
1563 |
} else if (acl_type == CCS_TYPE_AUTO_EXECUTE_HANDLER || |
} else if (acl_type == CCS_TYPE_AUTO_EXECUTE_HANDLER || |
1564 |
acl_type == CCS_TYPE_DENIED_EXECUTE_HANDLER) { |
acl_type == CCS_TYPE_DENIED_EXECUTE_HANDLER) { |
1565 |
struct ccs_handler_acl *ptr |
struct ccs_handler_acl *ptr |
1566 |
= container_of(acl, typeof(*ptr), head); |
= container_of(acl, typeof(*ptr), head); |
1567 |
ccs_set_group(head); |
ccs_set_group(head, "task "); |
|
ccs_set_string(head, "task "); |
|
1568 |
ccs_set_string(head, acl_type == CCS_TYPE_AUTO_EXECUTE_HANDLER |
ccs_set_string(head, acl_type == CCS_TYPE_AUTO_EXECUTE_HANDLER |
1569 |
? "auto_execute_handler " : |
? "auto_execute_handler " : |
1570 |
"denied_execute_handler "); |
"denied_execute_handler "); |
1573 |
acl_type == CCS_TYPE_MANUAL_TASK_ACL) { |
acl_type == CCS_TYPE_MANUAL_TASK_ACL) { |
1574 |
struct ccs_task_acl *ptr = |
struct ccs_task_acl *ptr = |
1575 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1576 |
ccs_set_group(head); |
ccs_set_group(head, "task "); |
|
ccs_set_string(head, "task "); |
|
1577 |
ccs_set_string(head, acl_type == CCS_TYPE_AUTO_TASK_ACL ? |
ccs_set_string(head, acl_type == CCS_TYPE_AUTO_TASK_ACL ? |
1578 |
"auto_domain_transition " : |
"auto_domain_transition " : |
1579 |
"manual_domain_transition "); |
"manual_domain_transition "); |
1580 |
ccs_set_string(head, ptr->domainname->name); |
ccs_set_string(head, ptr->domainname->name); |
1581 |
} else if (head->r.print_execute_only) { |
} else if (head->r.print_transition_related_only && |
1582 |
|
!may_trigger_transition) { |
1583 |
return true; |
return true; |
1584 |
} else if (acl_type == CCS_TYPE_MKDEV_ACL) { |
} else if (acl_type == CCS_TYPE_MKDEV_ACL) { |
1585 |
struct ccs_mkdev_acl *ptr = |
struct ccs_mkdev_acl *ptr = |
1586 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1587 |
bit = ccs_fns(ptr->perm, bit); |
const u8 perm = ptr->perm; |
1588 |
if (bit >= CCS_MAX_MKDEV_OPERATION) |
for (bit = 0; bit < CCS_MAX_MKDEV_OPERATION; bit++) { |
1589 |
goto done; |
if (!(perm & (1 << bit))) |
1590 |
ccs_set_group(head); |
continue; |
1591 |
ccs_set_string(head, "file "); |
if (first) { |
1592 |
ccs_set_string(head, ccs_mac_keywords[ccs_pnnn2mac[bit]]); |
ccs_set_group(head, "file "); |
1593 |
|
first = false; |
1594 |
|
} else { |
1595 |
|
ccs_set_slash(head); |
1596 |
|
} |
1597 |
|
ccs_set_string(head, ccs_mac_keywords |
1598 |
|
[ccs_pnnn2mac[bit]]); |
1599 |
|
} |
1600 |
|
if (first) |
1601 |
|
return true; |
1602 |
ccs_print_name_union(head, &ptr->name); |
ccs_print_name_union(head, &ptr->name); |
1603 |
ccs_print_number_union(head, &ptr->mode); |
ccs_print_number_union(head, &ptr->mode); |
1604 |
ccs_print_number_union(head, &ptr->major); |
ccs_print_number_union(head, &ptr->major); |
1606 |
} else if (acl_type == CCS_TYPE_PATH2_ACL) { |
} else if (acl_type == CCS_TYPE_PATH2_ACL) { |
1607 |
struct ccs_path2_acl *ptr = |
struct ccs_path2_acl *ptr = |
1608 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1609 |
bit = ccs_fns(ptr->perm, bit); |
const u8 perm = ptr->perm; |
1610 |
if (bit >= CCS_MAX_PATH2_OPERATION) |
for (bit = 0; bit < CCS_MAX_PATH2_OPERATION; bit++) { |
1611 |
goto done; |
if (!(perm & (1 << bit))) |
1612 |
ccs_set_group(head); |
continue; |
1613 |
ccs_set_string(head, "file "); |
if (first) { |
1614 |
ccs_set_string(head, ccs_mac_keywords[ccs_pp2mac[bit]]); |
ccs_set_group(head, "file "); |
1615 |
|
first = false; |
1616 |
|
} else { |
1617 |
|
ccs_set_slash(head); |
1618 |
|
} |
1619 |
|
ccs_set_string(head, ccs_mac_keywords |
1620 |
|
[ccs_pp2mac[bit]]); |
1621 |
|
} |
1622 |
|
if (first) |
1623 |
|
return true; |
1624 |
ccs_print_name_union(head, &ptr->name1); |
ccs_print_name_union(head, &ptr->name1); |
1625 |
ccs_print_name_union(head, &ptr->name2); |
ccs_print_name_union(head, &ptr->name2); |
1626 |
} else if (acl_type == CCS_TYPE_PATH_NUMBER_ACL) { |
} else if (acl_type == CCS_TYPE_PATH_NUMBER_ACL) { |
1627 |
struct ccs_path_number_acl *ptr = |
struct ccs_path_number_acl *ptr = |
1628 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1629 |
bit = ccs_fns(ptr->perm, bit); |
const u8 perm = ptr->perm; |
1630 |
if (bit >= CCS_MAX_PATH_NUMBER_OPERATION) |
for (bit = 0; bit < CCS_MAX_PATH_NUMBER_OPERATION; bit++) { |
1631 |
goto done; |
if (!(perm & (1 << bit))) |
1632 |
ccs_set_group(head); |
continue; |
1633 |
ccs_set_string(head, "file "); |
if (first) { |
1634 |
ccs_set_string(head, ccs_mac_keywords[ccs_pn2mac[bit]]); |
ccs_set_group(head, "file "); |
1635 |
|
first = false; |
1636 |
|
} else { |
1637 |
|
ccs_set_slash(head); |
1638 |
|
} |
1639 |
|
ccs_set_string(head, ccs_mac_keywords |
1640 |
|
[ccs_pn2mac[bit]]); |
1641 |
|
} |
1642 |
|
if (first) |
1643 |
|
return true; |
1644 |
ccs_print_name_union(head, &ptr->name); |
ccs_print_name_union(head, &ptr->name); |
1645 |
ccs_print_number_union(head, &ptr->number); |
ccs_print_number_union(head, &ptr->number); |
1646 |
} else if (acl_type == CCS_TYPE_ENV_ACL) { |
} else if (acl_type == CCS_TYPE_ENV_ACL) { |
1647 |
struct ccs_env_acl *ptr = |
struct ccs_env_acl *ptr = |
1648 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1649 |
ccs_set_group(head); |
ccs_set_group(head, "misc env "); |
|
ccs_set_string(head, "misc env "); |
|
1650 |
ccs_set_string(head, ptr->env->name); |
ccs_set_string(head, ptr->env->name); |
1651 |
} else if (acl_type == CCS_TYPE_CAPABILITY_ACL) { |
} else if (acl_type == CCS_TYPE_CAPABILITY_ACL) { |
1652 |
struct ccs_capability_acl *ptr = |
struct ccs_capability_acl *ptr = |
1653 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1654 |
ccs_set_group(head); |
ccs_set_group(head, "capability "); |
1655 |
ccs_set_string(head, "capability "); |
ccs_set_string(head, ccs_mac_keywords |
1656 |
ccs_set_string(head, |
[ccs_c2mac[ptr->operation]]); |
|
ccs_mac_keywords[ccs_c2mac[ptr->operation]]); |
|
1657 |
} else if (acl_type == CCS_TYPE_INET_ACL) { |
} else if (acl_type == CCS_TYPE_INET_ACL) { |
1658 |
struct ccs_inet_acl *ptr = |
struct ccs_inet_acl *ptr = |
1659 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1660 |
bit = ccs_fns(ptr->perm, bit); |
const u8 perm = ptr->perm; |
1661 |
if (bit >= CCS_MAX_NETWORK_OPERATION) |
for (bit = 0; bit < CCS_MAX_NETWORK_OPERATION; bit++) { |
1662 |
goto done; |
if (!(perm & (1 << bit))) |
1663 |
ccs_set_group(head); |
continue; |
1664 |
ccs_set_string(head, "network inet "); |
if (first) { |
1665 |
ccs_set_string(head, ccs_proto_keyword[ptr->protocol]); |
ccs_set_group(head, "network inet "); |
1666 |
ccs_set_space(head); |
ccs_set_string(head, ccs_proto_keyword |
1667 |
ccs_set_string(head, ccs_socket_keyword[bit]); |
[ptr->protocol]); |
1668 |
|
ccs_set_space(head); |
1669 |
|
first = false; |
1670 |
|
} else { |
1671 |
|
ccs_set_slash(head); |
1672 |
|
} |
1673 |
|
ccs_set_string(head, ccs_socket_keyword[bit]); |
1674 |
|
} |
1675 |
|
if (first) |
1676 |
|
return true; |
1677 |
ccs_set_space(head); |
ccs_set_space(head); |
1678 |
switch (ptr->address_type) { |
if (ptr->address.group) { |
|
char buf[128]; |
|
|
case CCS_IP_ADDRESS_TYPE_ADDRESS_GROUP: |
|
1679 |
ccs_set_string(head, "@"); |
ccs_set_string(head, "@"); |
1680 |
ccs_set_string(head, |
ccs_set_string(head, |
1681 |
ptr->address.group->group_name->name); |
ptr->address.group->group_name->name); |
1682 |
break; |
} else { |
1683 |
case CCS_IP_ADDRESS_TYPE_IPv4: |
char buf[128]; |
1684 |
ccs_print_ipv4(buf, sizeof(buf), ptr->address.ipv4.min, |
ccs_print_ip(buf, sizeof(buf), &ptr->address); |
|
ptr->address.ipv4.max); |
|
|
ccs_io_printf(head, "%s", buf); |
|
|
break; |
|
|
case CCS_IP_ADDRESS_TYPE_IPv6: |
|
|
ccs_print_ipv6(buf, sizeof(buf), ptr->address.ipv6.min, |
|
|
ptr->address.ipv6.max); |
|
1685 |
ccs_io_printf(head, "%s", buf); |
ccs_io_printf(head, "%s", buf); |
|
break; |
|
1686 |
} |
} |
1687 |
ccs_print_number_union(head, &ptr->port); |
ccs_print_number_union(head, &ptr->port); |
1688 |
} else if (acl_type == CCS_TYPE_UNIX_ACL) { |
} else if (acl_type == CCS_TYPE_UNIX_ACL) { |
1689 |
struct ccs_unix_acl *ptr = |
struct ccs_unix_acl *ptr = |
1690 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1691 |
bit = ccs_fns(ptr->perm, bit); |
const u8 perm = ptr->perm; |
1692 |
if (bit >= CCS_MAX_NETWORK_OPERATION) |
for (bit = 0; bit < CCS_MAX_NETWORK_OPERATION; bit++) { |
1693 |
goto done; |
if (!(perm & (1 << bit))) |
1694 |
ccs_set_group(head); |
continue; |
1695 |
ccs_set_string(head, "network unix "); |
if (first) { |
1696 |
ccs_set_string(head, ccs_proto_keyword[ptr->protocol]); |
ccs_set_group(head, "network unix "); |
1697 |
ccs_set_space(head); |
ccs_set_string(head, ccs_proto_keyword |
1698 |
ccs_set_string(head, ccs_socket_keyword[bit]); |
[ptr->protocol]); |
1699 |
|
ccs_set_space(head); |
1700 |
|
first = false; |
1701 |
|
} else { |
1702 |
|
ccs_set_slash(head); |
1703 |
|
} |
1704 |
|
ccs_set_string(head, ccs_socket_keyword[bit]); |
1705 |
|
} |
1706 |
|
if (first) |
1707 |
|
return true; |
1708 |
ccs_print_name_union(head, &ptr->name); |
ccs_print_name_union(head, &ptr->name); |
1709 |
} else if (acl_type == CCS_TYPE_SIGNAL_ACL) { |
} else if (acl_type == CCS_TYPE_SIGNAL_ACL) { |
1710 |
struct ccs_signal_acl *ptr = |
struct ccs_signal_acl *ptr = |
1711 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1712 |
ccs_set_group(head); |
ccs_set_group(head, "ipc signal "); |
1713 |
ccs_set_string(head, "ipc signal "); |
ccs_print_number_union_nospace(head, &ptr->sig); |
1714 |
ccs_io_printf(head, "%u ", ptr->sig); |
ccs_set_space(head); |
1715 |
ccs_set_string(head, ptr->domainname->name); |
ccs_set_string(head, ptr->domainname->name); |
1716 |
} else if (acl_type == CCS_TYPE_MOUNT_ACL) { |
} else if (acl_type == CCS_TYPE_MOUNT_ACL) { |
1717 |
struct ccs_mount_acl *ptr = |
struct ccs_mount_acl *ptr = |
1718 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
1719 |
ccs_set_group(head); |
ccs_set_group(head, "file mount"); |
|
ccs_io_printf(head, "file mount"); |
|
1720 |
ccs_print_name_union(head, &ptr->dev_name); |
ccs_print_name_union(head, &ptr->dev_name); |
1721 |
ccs_print_name_union(head, &ptr->dir_name); |
ccs_print_name_union(head, &ptr->dir_name); |
1722 |
ccs_print_name_union(head, &ptr->fs_type); |
ccs_print_name_union(head, &ptr->fs_type); |
1723 |
ccs_print_number_union(head, &ptr->flags); |
ccs_print_number_union(head, &ptr->flags); |
1724 |
} |
} |
|
head->r.bit = bit + 1; |
|
1725 |
if (acl->cond) { |
if (acl->cond) { |
1726 |
head->r.print_cond_part = true; |
head->r.print_cond_part = true; |
1727 |
head->r.cond_step = 0; |
head->r.cond_step = 0; |
1734 |
} else { |
} else { |
1735 |
ccs_set_lf(head); |
ccs_set_lf(head); |
1736 |
} |
} |
|
switch (acl_type) { |
|
|
case CCS_TYPE_PATH_ACL: |
|
|
case CCS_TYPE_MKDEV_ACL: |
|
|
case CCS_TYPE_PATH2_ACL: |
|
|
case CCS_TYPE_PATH_NUMBER_ACL: |
|
|
case CCS_TYPE_INET_ACL: |
|
|
case CCS_TYPE_UNIX_ACL: |
|
|
goto next; |
|
|
} |
|
|
done: |
|
|
head->r.bit = 0; |
|
1737 |
return true; |
return true; |
1738 |
} |
} |
1739 |
|
|
1740 |
/** |
/** |
1741 |
* ccs_read_domain2 - Read domain policy. |
* ccs_read_domain2 - Read domain policy. |
1742 |
* |
* |
1743 |
* @head: Pointer to "struct ccs_io_buffer". |
* @head: Pointer to "struct ccs_io_buffer". |
1744 |
* @domain: Pointer to "struct ccs_domain_info". |
* @list: Pointer to "struct list_head". |
|
* @index: Index number. |
|
1745 |
* |
* |
1746 |
* Returns true on success, false otherwise. |
* Returns true on success, false otherwise. |
1747 |
* |
* |
1748 |
* Caller holds ccs_read_lock(). |
* Caller holds ccs_read_lock(). |
1749 |
*/ |
*/ |
1750 |
static bool ccs_read_domain2(struct ccs_io_buffer *head, |
static bool ccs_read_domain2(struct ccs_io_buffer *head, |
1751 |
struct ccs_domain_info *domain, |
struct list_head *list) |
|
const u8 index) |
|
1752 |
{ |
{ |
1753 |
list_for_each_cookie(head->r.acl, &domain->acl_info_list[index]) { |
list_for_each_cookie(head->r.acl, list) { |
1754 |
struct ccs_acl_info *ptr = |
struct ccs_acl_info *ptr = |
1755 |
list_entry(head->r.acl, typeof(*ptr), list); |
list_entry(head->r.acl, typeof(*ptr), list); |
1756 |
if (!ccs_print_entry(head, ptr)) |
if (!ccs_print_entry(head, ptr)) |
1795 |
ccs_set_lf(head); |
ccs_set_lf(head); |
1796 |
/* fall through */ |
/* fall through */ |
1797 |
case 1: |
case 1: |
1798 |
if (!ccs_read_domain2(head, domain, 0)) |
if (!ccs_read_domain2(head, &domain->acl_info_list[0])) |
1799 |
return; |
return; |
1800 |
head->r.step++; |
head->r.step++; |
1801 |
/* fall through */ |
/* fall through */ |
1802 |
case 2: |
case 2: |
1803 |
if (!ccs_read_domain2(head, domain, 1)) |
if (!ccs_read_domain2(head, &domain->acl_info_list[1])) |
1804 |
return; |
return; |
1805 |
head->r.step++; |
head->r.step++; |
1806 |
if (!ccs_set_lf(head)) |
if (!ccs_set_lf(head)) |
1843 |
if (profile >= CCS_MAX_PROFILES) |
if (profile >= CCS_MAX_PROFILES) |
1844 |
return -EINVAL; |
return -EINVAL; |
1845 |
domain = ccs_find_domain(cp + 1); |
domain = ccs_find_domain(cp + 1); |
1846 |
if (domain && (!ccs_policy_loaded || ccs_profile_ptr[(u8) profile])) |
if (domain && (!ccs_policy_loaded || |
1847 |
|
head->w.ns->profile_ptr[(u8) profile])) |
1848 |
domain->profile = (u8) profile; |
domain->profile = (u8) profile; |
1849 |
return 0; |
return 0; |
1850 |
} |
} |
1959 |
|
|
1960 |
/* String table for domain transition control keywords. */ |
/* String table for domain transition control keywords. */ |
1961 |
static const char * const ccs_transition_type[CCS_MAX_TRANSITION_TYPE] = { |
static const char * const ccs_transition_type[CCS_MAX_TRANSITION_TYPE] = { |
1962 |
|
[CCS_TRANSITION_CONTROL_NAMESPACE] = "move_namespace ", |
1963 |
|
[CCS_TRANSITION_CONTROL_NO_NAMESPACE] = "no_move_namespace ", |
1964 |
|
[CCS_TRANSITION_CONTROL_INITIALIZE] = "initialize_domain ", |
1965 |
[CCS_TRANSITION_CONTROL_NO_INITIALIZE] = "no_initialize_domain ", |
[CCS_TRANSITION_CONTROL_NO_INITIALIZE] = "no_initialize_domain ", |
1966 |
[CCS_TRANSITION_CONTROL_INITIALIZE] = "initialize_domain ", |
[CCS_TRANSITION_CONTROL_INITIALIZE] = "initialize_domain ", |
1967 |
[CCS_TRANSITION_CONTROL_NO_KEEP] = "no_keep_domain ", |
[CCS_TRANSITION_CONTROL_NO_KEEP] = "no_keep_domain ", |
1984 |
*/ |
*/ |
1985 |
static int ccs_write_exception(struct ccs_io_buffer *head) |
static int ccs_write_exception(struct ccs_io_buffer *head) |
1986 |
{ |
{ |
1987 |
char *data = head->write_buf; |
const bool is_delete = head->w.is_delete; |
1988 |
const bool is_delete = ccs_str_starts(&data, "delete "); |
struct ccs_acl_param param = { |
1989 |
u8 i; |
.ns = head->w.ns, |
1990 |
static const struct { |
.is_delete = is_delete, |
1991 |
const char *keyword; |
.data = head->write_buf, |
|
int (*write) (char *, const bool); |
|
|
} ccs_callback[2] = { |
|
|
{ "aggregator ", ccs_write_aggregator }, |
|
|
{ "deny_autobind ", ccs_write_reserved_port }, |
|
1992 |
}; |
}; |
1993 |
for (i = 0; i < 2; i++) |
u8 i; |
1994 |
if (ccs_str_starts(&data, ccs_callback[i].keyword)) |
if (ccs_str_starts(¶m.data, "aggregator ")) |
1995 |
return ccs_callback[i].write(data, is_delete); |
return ccs_write_aggregator(¶m); |
1996 |
|
if (ccs_str_starts(¶m.data, "deny_autobind ")) |
1997 |
|
return ccs_write_reserved_port(¶m); |
1998 |
for (i = 0; i < CCS_MAX_TRANSITION_TYPE; i++) |
for (i = 0; i < CCS_MAX_TRANSITION_TYPE; i++) |
1999 |
if (ccs_str_starts(&data, ccs_transition_type[i])) |
if (ccs_str_starts(¶m.data, ccs_transition_type[i])) |
2000 |
return ccs_write_transition_control(data, is_delete, |
return ccs_write_transition_control(¶m, i); |
|
i); |
|
2001 |
for (i = 0; i < CCS_MAX_GROUP; i++) |
for (i = 0; i < CCS_MAX_GROUP; i++) |
2002 |
if (ccs_str_starts(&data, ccs_group_name[i])) |
if (ccs_str_starts(¶m.data, ccs_group_name[i])) |
2003 |
return ccs_write_group(data, is_delete, i); |
return ccs_write_group(¶m, i); |
2004 |
if (ccs_str_starts(&data, "acl_group ")) { |
if (ccs_str_starts(¶m.data, "acl_group ")) { |
2005 |
unsigned int group; |
unsigned int group; |
2006 |
if (sscanf(data, "%u", &group) == 1 && |
char *data; |
2007 |
group < CCS_MAX_ACL_GROUPS) { |
group = simple_strtoul(param.data, &data, 10); |
2008 |
data = strchr(data, ' '); |
if (group < CCS_MAX_ACL_GROUPS && *data++ == ' ') |
2009 |
if (data) |
return ccs_write_domain2(head->w.ns, |
2010 |
return ccs_write_domain2(data + 1, |
head->w.ns->acl_group[group], |
2011 |
&ccs_acl_group[group], |
data, is_delete); |
|
is_delete); |
|
|
} |
|
2012 |
} |
} |
2013 |
return -EINVAL; |
return -EINVAL; |
2014 |
} |
} |
2025 |
*/ |
*/ |
2026 |
static bool ccs_read_group(struct ccs_io_buffer *head, const int idx) |
static bool ccs_read_group(struct ccs_io_buffer *head, const int idx) |
2027 |
{ |
{ |
2028 |
list_for_each_cookie(head->r.group, &ccs_group_list[idx]) { |
struct ccs_policy_namespace *ns = container_of(head->r.ns, typeof(*ns), |
2029 |
|
namespace_list); |
2030 |
|
struct list_head *list = &ns->group_list[idx]; |
2031 |
|
list_for_each_cookie(head->r.group, list) { |
2032 |
struct ccs_group *group = |
struct ccs_group *group = |
2033 |
list_entry(head->r.group, typeof(*group), head.list); |
list_entry(head->r.group, typeof(*group), head.list); |
2034 |
list_for_each_cookie(head->r.acl, &group->member_list) { |
list_for_each_cookie(head->r.acl, &group->member_list) { |
2038 |
continue; |
continue; |
2039 |
if (!ccs_flush(head)) |
if (!ccs_flush(head)) |
2040 |
return false; |
return false; |
2041 |
|
ccs_print_namespace(head); |
2042 |
ccs_set_string(head, ccs_group_name[idx]); |
ccs_set_string(head, ccs_group_name[idx]); |
2043 |
ccs_set_string(head, group->group_name->name); |
ccs_set_string(head, group->group_name->name); |
2044 |
if (idx == CCS_PATH_GROUP) { |
if (idx == CCS_PATH_GROUP) { |
2055 |
struct ccs_address_group *member = |
struct ccs_address_group *member = |
2056 |
container_of(ptr, typeof(*member), |
container_of(ptr, typeof(*member), |
2057 |
head); |
head); |
2058 |
if (member->is_ipv6) |
ccs_print_ip(buffer, sizeof(buffer), |
2059 |
ccs_print_ipv6(buffer, sizeof(buffer), |
&member->address); |
|
member->min.ipv6, |
|
|
member->max.ipv6); |
|
|
else |
|
|
ccs_print_ipv4(buffer, sizeof(buffer), |
|
|
member->min.ipv4, |
|
|
member->max.ipv4); |
|
2060 |
ccs_io_printf(head, " %s", buffer); |
ccs_io_printf(head, " %s", buffer); |
2061 |
} |
} |
2062 |
ccs_set_lf(head); |
ccs_set_lf(head); |
2079 |
*/ |
*/ |
2080 |
static bool ccs_read_policy(struct ccs_io_buffer *head, const int idx) |
static bool ccs_read_policy(struct ccs_io_buffer *head, const int idx) |
2081 |
{ |
{ |
2082 |
list_for_each_cookie(head->r.acl, &ccs_policy_list[idx]) { |
struct ccs_policy_namespace *ns = container_of(head->r.ns, typeof(*ns), |
2083 |
|
namespace_list); |
2084 |
|
struct list_head *list = &ns->policy_list[idx]; |
2085 |
|
list_for_each_cookie(head->r.acl, list) { |
2086 |
struct ccs_acl_head *acl = |
struct ccs_acl_head *acl = |
2087 |
container_of(head->r.acl, typeof(*acl), list); |
container_of(head->r.acl, typeof(*acl), list); |
2088 |
if (acl->is_deleted) |
if (acl->is_deleted) |
2089 |
continue; |
continue; |
2090 |
|
if (head->r.print_transition_related_only && |
2091 |
|
idx != CCS_ID_TRANSITION_CONTROL) |
2092 |
|
continue; |
2093 |
if (!ccs_flush(head)) |
if (!ccs_flush(head)) |
2094 |
return false; |
return false; |
2095 |
switch (idx) { |
switch (idx) { |
2097 |
{ |
{ |
2098 |
struct ccs_transition_control *ptr = |
struct ccs_transition_control *ptr = |
2099 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
2100 |
|
ccs_print_namespace(head); |
2101 |
ccs_set_string(head, |
ccs_set_string(head, |
2102 |
ccs_transition_type[ptr->type]); |
ccs_transition_type[ptr->type]); |
2103 |
ccs_set_string(head, ptr->program ? |
ccs_set_string(head, ptr->program ? |
2111 |
{ |
{ |
2112 |
struct ccs_aggregator *ptr = |
struct ccs_aggregator *ptr = |
2113 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
2114 |
|
ccs_print_namespace(head); |
2115 |
ccs_set_string(head, "aggregator "); |
ccs_set_string(head, "aggregator "); |
2116 |
ccs_set_string(head, ptr->original_name->name); |
ccs_set_string(head, ptr->original_name->name); |
2117 |
ccs_set_space(head); |
ccs_set_space(head); |
2123 |
{ |
{ |
2124 |
struct ccs_reserved *ptr = |
struct ccs_reserved *ptr = |
2125 |
container_of(acl, typeof(*ptr), head); |
container_of(acl, typeof(*ptr), head); |
2126 |
const u16 min_port = ptr->min_port; |
ccs_print_namespace(head); |
|
const u16 max_port = ptr->max_port; |
|
2127 |
ccs_set_string(head, "deny_autobind "); |
ccs_set_string(head, "deny_autobind "); |
2128 |
ccs_io_printf(head, "%u", min_port); |
ccs_print_number_union_nospace(head, |
2129 |
if (min_port != max_port) |
&ptr->port); |
|
ccs_io_printf(head, "-%u", max_port); |
|
2130 |
} |
} |
2131 |
break; |
break; |
2132 |
default: |
default: |
2149 |
*/ |
*/ |
2150 |
static void ccs_read_exception(struct ccs_io_buffer *head) |
static void ccs_read_exception(struct ccs_io_buffer *head) |
2151 |
{ |
{ |
2152 |
|
struct ccs_policy_namespace *ns = container_of(head->r.ns, typeof(*ns), |
2153 |
|
namespace_list); |
2154 |
if (head->r.eof) |
if (head->r.eof) |
2155 |
return; |
return; |
2156 |
while (head->r.step < CCS_MAX_POLICY && |
while (head->r.step < CCS_MAX_POLICY && |
2165 |
return; |
return; |
2166 |
while (head->r.step < CCS_MAX_POLICY + CCS_MAX_GROUP |
while (head->r.step < CCS_MAX_POLICY + CCS_MAX_GROUP |
2167 |
+ CCS_MAX_ACL_GROUPS * 2) { |
+ CCS_MAX_ACL_GROUPS * 2) { |
2168 |
head->r.group_index = (head->r.step - CCS_MAX_POLICY |
head->r.acl_group_index = (head->r.step - CCS_MAX_POLICY |
2169 |
- CCS_MAX_GROUP) / 2; |
- CCS_MAX_GROUP) / 2; |
2170 |
if (!ccs_read_domain2(head, |
if (!ccs_read_domain2(head, &ns->acl_group |
2171 |
&ccs_acl_group[head->r.group_index], |
[head->r.acl_group_index] |
2172 |
head->r.step & 1)) |
[head->r.step & 1])) |
2173 |
return; |
return; |
2174 |
head->r.step++; |
head->r.step++; |
2175 |
} |
} |
2185 |
struct ccs_query { |
struct ccs_query { |
2186 |
struct list_head list; |
struct list_head list; |
2187 |
char *query; |
char *query; |
2188 |
int query_len; |
size_t query_len; |
2189 |
unsigned int serial; |
unsigned int serial; |
2190 |
int timer; |
u8 timer; |
2191 |
int answer; |
u8 answer; |
2192 |
u8 retry; |
u8 retry; |
2193 |
}; |
}; |
2194 |
|
|
2272 |
if (symlink) |
if (symlink) |
2273 |
ccs_addprintf(buffer, len, "%s", symlink); |
ccs_addprintf(buffer, len, "%s", symlink); |
2274 |
ccs_normalize_line(buffer); |
ccs_normalize_line(buffer); |
2275 |
if (!ccs_write_domain2(buffer, ccs_current_domain(), false)) |
{ |
2276 |
ccs_update_stat(CCS_STAT_POLICY_UPDATES); |
struct ccs_domain_info *domain = ccs_current_domain(); |
2277 |
|
if (!ccs_write_domain2(domain->ns, domain->acl_info_list, |
2278 |
|
buffer, false)) |
2279 |
|
ccs_update_stat(CCS_STAT_POLICY_UPDATES); |
2280 |
|
} |
2281 |
kfree(buffer); |
kfree(buffer); |
2282 |
} |
} |
2283 |
|
|
2330 |
goto out; |
goto out; |
2331 |
case CCS_CONFIG_LEARNING: |
case CCS_CONFIG_LEARNING: |
2332 |
error = 0; |
error = 0; |
2333 |
/* Check mac_learning_entry parameter. */ |
/* Check max_learning_entry parameter. */ |
2334 |
if (ccs_domain_quota_ok(r)) |
if (ccs_domain_quota_ok(r)) |
2335 |
break; |
break; |
2336 |
/* fall through */ |
/* fall through */ |
2440 |
static void ccs_read_query(struct ccs_io_buffer *head) |
static void ccs_read_query(struct ccs_io_buffer *head) |
2441 |
{ |
{ |
2442 |
struct list_head *tmp; |
struct list_head *tmp; |
2443 |
int pos = 0; |
unsigned int pos = 0; |
2444 |
int len = 0; |
size_t len = 0; |
2445 |
char *buf; |
char *buf; |
2446 |
if (head->r.w_pos) |
if (head->r.w_pos) |
2447 |
return; |
return; |
2478 |
* can change, but I don't care. |
* can change, but I don't care. |
2479 |
*/ |
*/ |
2480 |
if (len == ptr->query_len) |
if (len == ptr->query_len) |
2481 |
snprintf(buf, len + 32, "Q%u-%hu\n%s", ptr->serial, |
snprintf(buf, len + 31, "Q%u-%hu\n%s", ptr->serial, |
2482 |
ptr->retry, ptr->query); |
ptr->retry, ptr->query); |
2483 |
break; |
break; |
2484 |
} |
} |
2519 |
if (ptr->serial != serial) |
if (ptr->serial != serial) |
2520 |
continue; |
continue; |
2521 |
if (!ptr->answer) |
if (!ptr->answer) |
2522 |
ptr->answer = answer; |
ptr->answer = (u8) answer; |
2523 |
break; |
break; |
2524 |
} |
} |
2525 |
spin_unlock(&ccs_query_list_lock); |
spin_unlock(&ccs_query_list_lock); |
2538 |
{ |
{ |
2539 |
if (head->r.eof) |
if (head->r.eof) |
2540 |
return; |
return; |
2541 |
ccs_set_string(head, "1.8.0"); |
ccs_set_string(head, "1.8.2-pre"); |
2542 |
head->r.eof = true; |
head->r.eof = true; |
2543 |
} |
} |
2544 |
|
|
2545 |
/* String table for /proc/ccs/meminfo interface. */ |
/* String table for /proc/ccs/stat interface. */ |
2546 |
static const char * const ccs_policy_headers[CCS_MAX_POLICY_STAT] = { |
static const char * const ccs_policy_headers[CCS_MAX_POLICY_STAT] = { |
2547 |
[CCS_STAT_POLICY_UPDATES] = "update:", |
[CCS_STAT_POLICY_UPDATES] = "update:", |
2548 |
[CCS_STAT_POLICY_LEARNING] = "violation in learning mode:", |
[CCS_STAT_POLICY_LEARNING] = "violation in learning mode:", |
2550 |
[CCS_STAT_POLICY_ENFORCING] = "violation in enforcing mode:", |
[CCS_STAT_POLICY_ENFORCING] = "violation in enforcing mode:", |
2551 |
}; |
}; |
2552 |
|
|
2553 |
/* String table for /proc/ccs/meminfo interface. */ |
/* String table for /proc/ccs/stat interface. */ |
2554 |
static const char * const ccs_memory_headers[CCS_MAX_MEMORY_STAT] = { |
static const char * const ccs_memory_headers[CCS_MAX_MEMORY_STAT] = { |
2555 |
[CCS_MEMORY_POLICY] = "policy:", |
[CCS_MEMORY_POLICY] = "policy:", |
2556 |
[CCS_MEMORY_AUDIT] = "audit log:", |
[CCS_MEMORY_AUDIT] = "audit log:", |
2557 |
[CCS_MEMORY_QUERY] = "query message:", |
[CCS_MEMORY_QUERY] = "query message:", |
2558 |
}; |
}; |
2559 |
|
|
2560 |
/* Timestamp counter for last updated. */ |
/* Timestamp counter for last updated. */ |
2635 |
if (ccs_str_starts(&data, "Memory used by ")) |
if (ccs_str_starts(&data, "Memory used by ")) |
2636 |
for (i = 0; i < CCS_MAX_MEMORY_STAT; i++) |
for (i = 0; i < CCS_MAX_MEMORY_STAT; i++) |
2637 |
if (ccs_str_starts(&data, ccs_memory_headers[i])) |
if (ccs_str_starts(&data, ccs_memory_headers[i])) |
2638 |
sscanf(data, "%u", &ccs_memory_quota[i]); |
ccs_memory_quota[i] = |
2639 |
return 0; |
simple_strtoul(data, NULL, 10); |
|
} |
|
|
|
|
|
/* String table for /proc/ccs/meminfo interface. */ |
|
|
static const char * const ccs_old_memory_header[CCS_MAX_MEMORY_STAT] = { |
|
|
[CCS_MEMORY_POLICY] = "Policy:", |
|
|
[CCS_MEMORY_AUDIT] = "Audit logs:", |
|
|
[CCS_MEMORY_QUERY] = "Query lists:", |
|
|
}; |
|
|
|
|
|
/** |
|
|
* ccs_read_memory_counter - Read memory usage. |
|
|
* |
|
|
* @head: Pointer to "struct ccs_io_buffer". |
|
|
* |
|
|
* Returns nothing. |
|
|
*/ |
|
|
static void ccs_read_memory_counter(struct ccs_io_buffer *head) |
|
|
{ |
|
|
unsigned int total = 0; |
|
|
int i; |
|
|
if (head->r.eof) |
|
|
return; |
|
|
for (i = 0; i < CCS_MAX_MEMORY_STAT; i++) { |
|
|
unsigned int used = ccs_memory_used[i]; |
|
|
total += used; |
|
|
ccs_io_printf(head, "%-12s %10u", ccs_old_memory_header[i], |
|
|
used); |
|
|
if (ccs_memory_quota[i]) |
|
|
ccs_io_printf(head, " (Quota: %10u)", |
|
|
ccs_memory_quota[i]); |
|
|
ccs_io_printf(head, "\n"); |
|
|
} |
|
|
ccs_io_printf(head, "%-12s %10u\n", "Total:", total); |
|
|
head->r.eof = true; |
|
|
} |
|
|
|
|
|
/** |
|
|
* ccs_write_memory_quota - Set memory quota. |
|
|
* |
|
|
* @head: Pointer to "struct ccs_io_buffer". |
|
|
* |
|
|
* Returns 0. |
|
|
*/ |
|
|
static int ccs_write_memory_quota(struct ccs_io_buffer *head) |
|
|
{ |
|
|
char *data = head->write_buf; |
|
|
u8 i; |
|
|
for (i = 0; i < CCS_MAX_MEMORY_STAT; i++) |
|
|
if (ccs_str_starts(&data, ccs_old_memory_header[i])) |
|
|
sscanf(data, "%u", &ccs_memory_quota[i]); |
|
2640 |
return 0; |
return 0; |
2641 |
} |
} |
2642 |
|
|
2653 |
struct ccs_io_buffer *head = kzalloc(sizeof(*head), CCS_GFP_FLAGS); |
struct ccs_io_buffer *head = kzalloc(sizeof(*head), CCS_GFP_FLAGS); |
2654 |
if (!head) |
if (!head) |
2655 |
return -ENOMEM; |
return -ENOMEM; |
2656 |
|
head->original_ns = ccs_current_namespace(); |
2657 |
mutex_init(&head->io_sem); |
mutex_init(&head->io_sem); |
2658 |
head->type = type; |
head->type = type; |
2659 |
switch (type) { |
switch (type) { |
2693 |
head->read = ccs_read_stat; |
head->read = ccs_read_stat; |
2694 |
head->readbuf_size = 1024; |
head->readbuf_size = 1024; |
2695 |
break; |
break; |
|
case CCS_MEMINFO: /* /proc/ccs/meminfo */ |
|
|
head->write = ccs_write_memory_quota; |
|
|
head->read = ccs_read_memory_counter; |
|
|
head->readbuf_size = 512; |
|
|
break; |
|
2696 |
case CCS_PROFILE: /* /proc/ccs/profile */ |
case CCS_PROFILE: /* /proc/ccs/profile */ |
2697 |
head->write = ccs_write_profile; |
head->write = ccs_write_profile; |
2698 |
head->read = ccs_read_profile; |
head->read = ccs_read_profile; |
2746 |
*/ |
*/ |
2747 |
if (type == CCS_QUERY) |
if (type == CCS_QUERY) |
2748 |
atomic_inc(&ccs_query_observers); |
atomic_inc(&ccs_query_observers); |
|
else if (type != CCS_AUDIT && type != CCS_VERSION && |
|
|
type != CCS_MEMINFO && type != CCS_STAT) |
|
|
head->reader_idx = ccs_lock(); |
|
2749 |
file->private_data = head; |
file->private_data = head; |
2750 |
|
ccs_notify_gc(head, true); |
2751 |
return 0; |
return 0; |
2752 |
} |
} |
2753 |
|
|
2772 |
} |
} |
2773 |
|
|
2774 |
/** |
/** |
2775 |
|
* ccs_move_namespace_cursor - Print namespace delimiter if needed. |
2776 |
|
* |
2777 |
|
* @head: Pointer to "struct ccs_io_buffer". |
2778 |
|
* |
2779 |
|
* Returns nothing. |
2780 |
|
*/ |
2781 |
|
static inline void ccs_move_namespace_cursor(struct ccs_io_buffer *head) |
2782 |
|
{ |
2783 |
|
struct list_head *ns; |
2784 |
|
if (head->type != CCS_EXCEPTIONPOLICY && head->type != CCS_PROFILE) |
2785 |
|
return; |
2786 |
|
/* |
2787 |
|
* If this is the first read, or reading previous namespace finished |
2788 |
|
* and has more namespaces to read, update the namespace cursor. |
2789 |
|
*/ |
2790 |
|
ns = head->r.ns; |
2791 |
|
if (!ns || (head->r.eof && ns->next != &ccs_namespace_list)) { |
2792 |
|
/* Clearing is OK because ccs_flush() returned true. */ |
2793 |
|
memset(&head->r, 0, sizeof(head->r)); |
2794 |
|
head->r.ns = ns ? ns->next : ccs_namespace_list.next; |
2795 |
|
} |
2796 |
|
} |
2797 |
|
|
2798 |
|
/** |
2799 |
|
* ccs_has_more_namespace - Check for unread namespaces. |
2800 |
|
* |
2801 |
|
* @head: Pointer to "struct ccs_io_buffer". |
2802 |
|
* |
2803 |
|
* Returns true if we have more entries to print, false otherwise. |
2804 |
|
*/ |
2805 |
|
static inline bool ccs_has_more_namespace(struct ccs_io_buffer *head) |
2806 |
|
{ |
2807 |
|
return (head->type == CCS_EXCEPTIONPOLICY || |
2808 |
|
head->type == CCS_PROFILE) && head->r.eof && |
2809 |
|
head->r.ns->next != &ccs_namespace_list; |
2810 |
|
} |
2811 |
|
|
2812 |
|
/** |
2813 |
* ccs_read_control - read() for /proc/ccs/ interface. |
* ccs_read_control - read() for /proc/ccs/ interface. |
2814 |
* |
* |
2815 |
* @file: Pointer to "struct file". |
* @file: Pointer to "struct file". |
2818 |
* |
* |
2819 |
* Returns bytes read on success, negative value otherwise. |
* Returns bytes read on success, negative value otherwise. |
2820 |
*/ |
*/ |
2821 |
int ccs_read_control(struct file *file, char __user *buffer, |
ssize_t ccs_read_control(struct file *file, char __user *buffer, |
2822 |
const int buffer_len) |
const size_t buffer_len) |
2823 |
{ |
{ |
2824 |
int len; |
int len; |
2825 |
struct ccs_io_buffer *head = file->private_data; |
struct ccs_io_buffer *head = file->private_data; |
2835 |
idx = ccs_read_lock(); |
idx = ccs_read_lock(); |
2836 |
if (ccs_flush(head)) |
if (ccs_flush(head)) |
2837 |
/* Call the policy handler. */ |
/* Call the policy handler. */ |
2838 |
head->read(head); |
do { |
2839 |
ccs_flush(head); |
ccs_move_namespace_cursor(head); |
2840 |
|
head->read(head); |
2841 |
|
} while (ccs_flush(head) && ccs_has_more_namespace(head)); |
2842 |
ccs_read_unlock(idx); |
ccs_read_unlock(idx); |
2843 |
len = head->read_user_buf - buffer; |
len = head->read_user_buf - buffer; |
2844 |
mutex_unlock(&head->io_sem); |
mutex_unlock(&head->io_sem); |
2854 |
* |
* |
2855 |
* Returns @buffer_len on success, negative value otherwise. |
* Returns @buffer_len on success, negative value otherwise. |
2856 |
*/ |
*/ |
2857 |
int ccs_write_control(struct file *file, const char __user *buffer, |
ssize_t ccs_write_control(struct file *file, const char __user *buffer, |
2858 |
const int buffer_len) |
const size_t buffer_len) |
2859 |
{ |
{ |
2860 |
struct ccs_io_buffer *head = file->private_data; |
struct ccs_io_buffer *head = file->private_data; |
2861 |
int error = buffer_len; |
int error = buffer_len; |
2862 |
int avail_len = buffer_len; |
size_t avail_len = buffer_len; |
2863 |
char *cp0 = head->write_buf; |
char *cp0 = head->write_buf; |
2864 |
int idx; |
int idx; |
2865 |
if (!head->write) |
if (!head->write) |
2869 |
if (mutex_lock_interruptible(&head->io_sem)) |
if (mutex_lock_interruptible(&head->io_sem)) |
2870 |
return -EINTR; |
return -EINTR; |
2871 |
idx = ccs_read_lock(); |
idx = ccs_read_lock(); |
|
/* Don't allow updating policies by non manager programs. */ |
|
|
if (head->write != ccs_write_pid && head->write != ccs_write_domain && |
|
|
!ccs_manager()) { |
|
|
ccs_read_unlock(idx); |
|
|
mutex_unlock(&head->io_sem); |
|
|
return -EPERM; |
|
|
} |
|
2872 |
/* Read a line and dispatch it to the policy handler. */ |
/* Read a line and dispatch it to the policy handler. */ |
2873 |
while (avail_len > 0) { |
while (avail_len > 0) { |
2874 |
char c; |
char c; |
2897 |
cp0[head->w.avail - 1] = '\0'; |
cp0[head->w.avail - 1] = '\0'; |
2898 |
head->w.avail = 0; |
head->w.avail = 0; |
2899 |
ccs_normalize_line(cp0); |
ccs_normalize_line(cp0); |
2900 |
if (head->write(head)) |
if (!strcmp(cp0, "reset")) { |
2901 |
|
head->w.ns = head->original_ns; |
2902 |
|
head->w.domain = NULL; |
2903 |
|
memset(&head->r, 0, sizeof(head->r)); |
2904 |
continue; |
continue; |
2905 |
|
} |
2906 |
|
/* Don't allow updating policies by non manager programs. */ |
2907 |
|
switch (head->type) { |
2908 |
|
case CCS_PROCESS_STATUS: |
2909 |
|
/* This does not write anything. */ |
2910 |
|
break; |
2911 |
|
case CCS_DOMAINPOLICY: |
2912 |
|
if (ccs_select_domain(head, cp0)) |
2913 |
|
continue; |
2914 |
|
/* fall through */ |
2915 |
|
case CCS_EXCEPTIONPOLICY: |
2916 |
|
if (!strcmp(cp0, "select transition_only")) { |
2917 |
|
head->r.print_transition_related_only = true; |
2918 |
|
continue; |
2919 |
|
} |
2920 |
|
/* fall through */ |
2921 |
|
default: |
2922 |
|
if (!ccs_manager()) { |
2923 |
|
error = -EPERM; |
2924 |
|
goto out; |
2925 |
|
} |
2926 |
|
} |
2927 |
|
/* Delete request? */ |
2928 |
|
head->w.is_delete = !strncmp(cp0, "delete ", 7); |
2929 |
|
if (head->w.is_delete) |
2930 |
|
memmove(cp0, cp0 + 7, strlen(cp0 + 7) + 1); |
2931 |
|
/* Selecting namespace to update. */ |
2932 |
|
if (head->type == CCS_EXCEPTIONPOLICY || |
2933 |
|
head->type == CCS_PROFILE) { |
2934 |
|
if (*cp0 == '<') { |
2935 |
|
char *cp = strchr(cp0, ' '); |
2936 |
|
if (cp) { |
2937 |
|
*cp++ = '\0'; |
2938 |
|
head->w.ns = ccs_assign_namespace(cp0); |
2939 |
|
memmove(cp0, cp, strlen(cp) + 1); |
2940 |
|
} else |
2941 |
|
head->w.ns = NULL; |
2942 |
|
} else |
2943 |
|
head->w.ns = head->original_ns; |
2944 |
|
/* Don't allow updating if namespace is invalid. */ |
2945 |
|
if (!head->w.ns) { |
2946 |
|
error = -ENOENT; |
2947 |
|
goto out; |
2948 |
|
} |
2949 |
|
} |
2950 |
|
{ |
2951 |
|
/* Do the update. */ |
2952 |
|
const int ret = head->write(head); |
2953 |
|
if (ret == -EPERM) { |
2954 |
|
error = -EPERM; |
2955 |
|
break; |
2956 |
|
} |
2957 |
|
/* Do not update statistics if not updated. */ |
2958 |
|
if (ret) |
2959 |
|
continue; |
2960 |
|
} |
2961 |
|
/* Update statistics. */ |
2962 |
switch (head->type) { |
switch (head->type) { |
2963 |
case CCS_DOMAINPOLICY: |
case CCS_DOMAINPOLICY: |
2964 |
case CCS_EXCEPTIONPOLICY: |
case CCS_EXCEPTIONPOLICY: |
2965 |
case CCS_DOMAIN_STATUS: |
case CCS_DOMAIN_STATUS: |
2966 |
case CCS_MEMINFO: |
case CCS_STAT: |
2967 |
case CCS_PROFILE: |
case CCS_PROFILE: |
2968 |
case CCS_MANAGER: |
case CCS_MANAGER: |
2969 |
ccs_update_stat(CCS_STAT_POLICY_UPDATES); |
ccs_update_stat(CCS_STAT_POLICY_UPDATES); |
2970 |
|
break; |
2971 |
|
default: |
2972 |
|
break; |
2973 |
} |
} |
2974 |
} |
} |
2975 |
|
out: |
2976 |
ccs_read_unlock(idx); |
ccs_read_unlock(idx); |
2977 |
mutex_unlock(&head->io_sem); |
mutex_unlock(&head->io_sem); |
2978 |
return error; |
return error; |
2988 |
int ccs_close_control(struct file *file) |
int ccs_close_control(struct file *file) |
2989 |
{ |
{ |
2990 |
struct ccs_io_buffer *head = file->private_data; |
struct ccs_io_buffer *head = file->private_data; |
2991 |
const bool is_write = head->write_buf != NULL; |
file->private_data = NULL; |
|
const u8 type = head->type; |
|
2992 |
/* |
/* |
2993 |
* If the file is /proc/ccs/query, decrement the observer counter. |
* If the file is /proc/ccs/query, decrement the observer counter. |
2994 |
*/ |
*/ |
2995 |
if (type == CCS_QUERY) { |
if (head->type == CCS_QUERY && |
2996 |
if (atomic_dec_and_test(&ccs_query_observers)) |
atomic_dec_and_test(&ccs_query_observers)) |
2997 |
wake_up_all(&ccs_answer_wait); |
wake_up_all(&ccs_answer_wait); |
2998 |
} else if (type != CCS_AUDIT && type != CCS_VERSION && |
ccs_notify_gc(head, false); |
|
type != CCS_MEMINFO && type != CCS_STAT) |
|
|
ccs_unlock(head->reader_idx); |
|
|
/* Release memory used for policy I/O. */ |
|
|
kfree(head->read_buf); |
|
|
head->read_buf = NULL; |
|
|
kfree(head->write_buf); |
|
|
head->write_buf = NULL; |
|
|
kfree(head); |
|
|
head = NULL; |
|
|
file->private_data = NULL; |
|
|
if (is_write) |
|
|
ccs_run_gc(); |
|
2999 |
return 0; |
return 0; |
3000 |
} |
} |
3001 |
|
|
3008 |
{ |
{ |
3009 |
ccsecurity_ops.check_profile = ccs_check_profile; |
ccsecurity_ops.check_profile = ccs_check_profile; |
3010 |
} |
} |
3011 |
|
|
3012 |
|
#ifdef CONFIG_CCSECURITY_USE_BUILTIN_POLICY |
3013 |
|
/** |
3014 |
|
* ccs_load_builtin_policy - Load built-in policy. |
3015 |
|
* |
3016 |
|
* Returns nothing. |
3017 |
|
*/ |
3018 |
|
void __init ccs_load_builtin_policy(void) |
3019 |
|
{ |
3020 |
|
/* |
3021 |
|
* This include file is manually created and contains built-in policy |
3022 |
|
* named "ccs_builtin_profile", "ccs_builtin_exception_policy", |
3023 |
|
* "ccs_builtin_domain_policy", "ccs_builtin_manager", |
3024 |
|
* "ccs_builtin_stat" in the form of "static char [] __initdata". |
3025 |
|
*/ |
3026 |
|
#include "builtin-policy.h" |
3027 |
|
struct ccs_io_buffer head; |
3028 |
|
u8 i; |
3029 |
|
const int idx = ccs_read_lock(); |
3030 |
|
for (i = 0; i < 5; i++) { |
3031 |
|
char *start = ""; |
3032 |
|
memset(&head, 0, sizeof(head)); |
3033 |
|
switch (i) { |
3034 |
|
case 0: |
3035 |
|
start = ccs_builtin_profile; |
3036 |
|
head.write = ccs_write_profile; |
3037 |
|
break; |
3038 |
|
case 1: |
3039 |
|
start = ccs_builtin_exception_policy; |
3040 |
|
head.write = ccs_write_exception; |
3041 |
|
break; |
3042 |
|
case 2: |
3043 |
|
start = ccs_builtin_domain_policy; |
3044 |
|
head.write = ccs_write_domain; |
3045 |
|
break; |
3046 |
|
case 3: |
3047 |
|
start = ccs_builtin_manager; |
3048 |
|
head.write = ccs_write_manager; |
3049 |
|
break; |
3050 |
|
case 4: |
3051 |
|
start = ccs_builtin_stat; |
3052 |
|
head.write = ccs_write_stat; |
3053 |
|
break; |
3054 |
|
} |
3055 |
|
while (1) { |
3056 |
|
char *end = strchr(start, '\n'); |
3057 |
|
if (!end) |
3058 |
|
break; |
3059 |
|
*end = '\0'; |
3060 |
|
ccs_normalize_line(start); |
3061 |
|
head.write_buf = start; |
3062 |
|
head.write(&head); |
3063 |
|
start = end + 1; |
3064 |
|
} |
3065 |
|
} |
3066 |
|
ccs_read_unlock(idx); |
3067 |
|
#ifdef CONFIG_CCSECURITY_ACTIVATE_FROM_THE_BEGINNING |
3068 |
|
ccs_check_profile(); |
3069 |
|
#endif |
3070 |
|
} |
3071 |
|
#endif |