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TOMOYO: Use common structure for list element. 

Use common "struct list_head" + "bool" structure.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Tetsuo Handa 2010-06-15 09:22:42 +09:00 committed by James Morris
parent 237ab459f1
commit 82e0f001a4
7 changed files with 167 additions and 164 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
security/tomoyo/common.c
View File

@ -499,10 +499,10 @@ static int tomoyo_update_manager_entry(const char *manager,
return -ENOMEM;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, head.list) {
if (ptr->manager != e.manager)
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -510,7 +510,7 @@ static int tomoyo_update_manager_entry(const char *manager,
struct tomoyo_policy_manager_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_policy_manager_list);
error = 0;
}
@ -562,8 +562,8 @@ static int tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
&tomoyo_policy_manager_list) {
struct tomoyo_policy_manager_entry *ptr;
ptr = list_entry(pos, struct tomoyo_policy_manager_entry,
list);
if (ptr->is_deleted)
head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, "%s\n", ptr->manager->name);
if (!done)
@ -593,8 +593,8 @@ static bool tomoyo_is_policy_manager(void)
return true;
if (!tomoyo_manage_by_non_root && (task->cred->uid || task->cred->euid))
return false;
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
if (!ptr->is_deleted && ptr->is_domain
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, head.list) {
if (!ptr->head.is_deleted && ptr->is_domain
&& !tomoyo_pathcmp(domainname, ptr->manager)) {
found = true;
break;
@ -605,8 +605,8 @@ static bool tomoyo_is_policy_manager(void)
exe = tomoyo_get_exe();
if (!exe)
return false;
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
if (!ptr->is_deleted && !ptr->is_domain
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, head.list) {
if (!ptr->head.is_deleted && !ptr->is_domain
&& !strcmp(exe, ptr->manager->name)) {
found = true;
break;

112
security/tomoyo/common.h
View File

@ -188,6 +188,20 @@ enum tomoyo_mac_category_index {
/********** Structure definitions. **********/
/*
* tomoyo_acl_head is a structure which is used for holding elements not in
* domain policy.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_policy_list[] .
* (2) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_acl_head {
struct list_head list;
bool is_deleted;
} __packed;
/*
* tomoyo_request_info is a structure which is used for holding
*
@ -274,15 +288,13 @@ struct tomoyo_number_group {
/* Structure for "path_group" directive. */
struct tomoyo_path_group_member {
struct list_head list;
bool is_deleted;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *member_name;
};
/* Structure for "number_group" directive. */
struct tomoyo_number_group_member {
struct list_head list;
bool is_deleted;
struct tomoyo_acl_head head;
struct tomoyo_number_union number;
};
@ -523,15 +535,12 @@ struct tomoyo_io_buffer {
* "allow_read" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_globally_readable_list .
* (1) "head" is "struct tomoyo_acl_head".
* (2) "filename" is a pathname which is allowed to open(O_RDONLY).
* (3) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_globally_readable_file_entry {
struct list_head list;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *filename;
bool is_deleted;
};
/*
@ -539,16 +548,13 @@ struct tomoyo_globally_readable_file_entry {
* "tomoyo_pattern_list" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_pattern_list .
* (1) "head" is "struct tomoyo_acl_head".
* (2) "pattern" is a pathname pattern which is used for converting pathnames
* to pathname patterns during learning mode.
* (3) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_pattern_entry {
struct list_head list;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
bool is_deleted;
};
/*
@ -556,16 +562,13 @@ struct tomoyo_pattern_entry {
* "deny_rewrite" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_no_rewrite_list .
* (1) "head" is "struct tomoyo_acl_head".
* (2) "pattern" is a pathname which is by default not permitted to modify
* already existing content.
* (3) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_no_rewrite_entry {
struct list_head list;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
bool is_deleted;
};
/*
@ -573,25 +576,22 @@ struct tomoyo_no_rewrite_entry {
* "initialize_domain" and "no_initialize_domain" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_domain_initializer_list .
* (2) "domainname" which is "a domainname" or "the last component of a
* domainname". This field is NULL if "from" clause is not specified.
* (3) "program" which is a program's pathname.
* (4) "is_deleted" is a bool which is true if marked as deleted, false
* (1) "head" is "struct tomoyo_acl_head".
* (2) "is_not" is a bool which is true if "no_initialize_domain", false
* otherwise.
* (5) "is_not" is a bool which is true if "no_initialize_domain", false
* otherwise.
* (6) "is_last_name" is a bool which is true if "domainname" is "the last
* (3) "is_last_name" is a bool which is true if "domainname" is "the last
* component of a domainname", false otherwise.
* (4) "domainname" which is "a domainname" or "the last component of a
* domainname". This field is NULL if "from" clause is not specified.
* (5) "program" which is a program's pathname.
*/
struct tomoyo_domain_initializer_entry {
struct list_head list;
const struct tomoyo_path_info *domainname; /* This may be NULL */
const struct tomoyo_path_info *program;
bool is_deleted;
struct tomoyo_acl_head head;
bool is_not; /* True if this entry is "no_initialize_domain". */
/* True if the domainname is tomoyo_get_last_name(). */
bool is_last_name;
const struct tomoyo_path_info *domainname; /* This may be NULL */
const struct tomoyo_path_info *program;
};
/*
@ -599,26 +599,23 @@ struct tomoyo_domain_initializer_entry {
* "keep_domain" and "no_keep_domain" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_domain_keeper_list .
* (2) "domainname" which is "a domainname" or "the last component of a
* domainname".
* (3) "program" which is a program's pathname.
* This field is NULL if "from" clause is not specified.
* (4) "is_deleted" is a bool which is true if marked as deleted, false
* (1) "head" is "struct tomoyo_acl_head".
* (2) "is_not" is a bool which is true if "no_initialize_domain", false
* otherwise.
* (5) "is_not" is a bool which is true if "no_initialize_domain", false
* otherwise.
* (6) "is_last_name" is a bool which is true if "domainname" is "the last
* (3) "is_last_name" is a bool which is true if "domainname" is "the last
* component of a domainname", false otherwise.
* (4) "domainname" which is "a domainname" or "the last component of a
* domainname".
* (5) "program" which is a program's pathname.
* This field is NULL if "from" clause is not specified.
*/
struct tomoyo_domain_keeper_entry {
struct list_head list;
const struct tomoyo_path_info *domainname;
const struct tomoyo_path_info *program; /* This may be NULL */
bool is_deleted;
struct tomoyo_acl_head head;
bool is_not; /* True if this entry is "no_keep_domain". */
/* True if the domainname is tomoyo_get_last_name(). */
bool is_last_name;
const struct tomoyo_path_info *domainname;
const struct tomoyo_path_info *program; /* This may be NULL */
};
/*
@ -626,34 +623,28 @@ struct tomoyo_domain_keeper_entry {
* "aggregator" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_aggregator_list .
* (1) "head" is "struct tomoyo_acl_head".
* (2) "original_name" which is originally requested name.
* (3) "aggregated_name" which is name to rewrite.
* (4) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_aggregator_entry {
struct list_head list;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *original_name;
const struct tomoyo_path_info *aggregated_name;
bool is_deleted;
};
/*
* tomoyo_alias_entry is a structure which is used for holding "alias" entries.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_alias_list .
* (1) "head" is "struct tomoyo_acl_head".
* (2) "original_name" which is a dereferenced pathname.
* (3) "aliased_name" which is a symlink's pathname.
* (4) "is_deleted" is a bool which is true if marked as deleted, false
* otherwise.
*/
struct tomoyo_alias_entry {
struct list_head list;
struct tomoyo_acl_head head;
const struct tomoyo_path_info *original_name;
const struct tomoyo_path_info *aliased_name;
bool is_deleted;
};
/*
@ -662,19 +653,16 @@ struct tomoyo_alias_entry {
* /sys/kernel/security/tomoyo/ interface.
* It has following fields.
*
* (1) "list" which is linked to tomoyo_policy_manager_list .
* (2) "manager" is a domainname or a program's pathname.
* (3) "is_domain" is a bool which is true if "manager" is a domainname, false
* otherwise.
* (4) "is_deleted" is a bool which is true if marked as deleted, false
* (1) "head" is "struct tomoyo_acl_head".
* (2) "is_domain" is a bool which is true if "manager" is a domainname, false
* otherwise.
* (3) "manager" is a domainname or a program's pathname.
*/
struct tomoyo_policy_manager_entry {
struct list_head list;
struct tomoyo_acl_head head;
bool is_domain; /* True if manager is a domainname. */
/* A path to program or a domainname. */
const struct tomoyo_path_info *manager;
bool is_domain; /* True if manager is a domainname. */
bool is_deleted; /* True if this entry is deleted. */
};
struct tomoyo_preference {

62
security/tomoyo/domain.c
View File

@ -199,10 +199,11 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
goto out;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list,
head.list) {
if (!tomoyo_is_same_domain_initializer_entry(ptr, &e))
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -210,7 +211,7 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
struct tomoyo_domain_initializer_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_domain_initializer_list);
error = 0;
}
@ -243,8 +244,8 @@ bool tomoyo_read_domain_initializer_policy(struct tomoyo_io_buffer *head)
const char *domain = "";
struct tomoyo_domain_initializer_entry *ptr;
ptr = list_entry(pos, struct tomoyo_domain_initializer_entry,
list);
if (ptr->is_deleted)
head.list);
if (ptr->head.is_deleted)
continue;
no = ptr->is_not ? "no_" : "";
if (ptr->domainname) {
@ -308,8 +309,9 @@ static bool tomoyo_is_domain_initializer(const struct tomoyo_path_info *
struct tomoyo_domain_initializer_entry *ptr;
bool flag = false;
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list, list) {
if (ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list,
head.list) {
if (ptr->head.is_deleted)
continue;
if (ptr->domainname) {
if (!ptr->is_last_name) {
@ -409,10 +411,10 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
goto out;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, head.list) {
if (!tomoyo_is_same_domain_keeper_entry(ptr, &e))
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -420,7 +422,7 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
struct tomoyo_domain_keeper_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_domain_keeper_list);
error = 0;
}
@ -475,8 +477,9 @@ bool tomoyo_read_domain_keeper_policy(struct tomoyo_io_buffer *head)
const char *from = "";
const char *program = "";
ptr = list_entry(pos, struct tomoyo_domain_keeper_entry, list);
if (ptr->is_deleted)
ptr = list_entry(pos, struct tomoyo_domain_keeper_entry,
head.list);
if (ptr->head.is_deleted)
continue;
no = ptr->is_not ? "no_" : "";
if (ptr->program) {
@ -512,8 +515,8 @@ static bool tomoyo_is_domain_keeper(const struct tomoyo_path_info *domainname,
struct tomoyo_domain_keeper_entry *ptr;
bool flag = false;
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
if (ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, head.list) {
if (ptr->head.is_deleted)
continue;
if (!ptr->is_last_name) {
if (ptr->domainname != domainname)
@ -591,10 +594,10 @@ static int tomoyo_update_aggregator_entry(const char *original_name,
goto out;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list, head.list) {
if (!tomoyo_is_same_aggregator_entry(ptr, &e))
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -602,7 +605,7 @@ static int tomoyo_update_aggregator_entry(const char *original_name,
struct tomoyo_aggregator_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_aggregator_list);
error = 0;
}
@ -631,8 +634,9 @@ bool tomoyo_read_aggregator_policy(struct tomoyo_io_buffer *head)
list_for_each_cookie(pos, head->read_var2, &tomoyo_aggregator_list) {
struct tomoyo_aggregator_entry *ptr;
ptr = list_entry(pos, struct tomoyo_aggregator_entry, list);
if (ptr->is_deleted)
ptr = list_entry(pos, struct tomoyo_aggregator_entry,
head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, TOMOYO_KEYWORD_AGGREGATOR
"%s %s\n", ptr->original_name->name,
@ -724,10 +728,10 @@ static int tomoyo_update_alias_entry(const char *original_name,
goto out; /* No patterns allowed. */
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, head.list) {
if (!tomoyo_is_same_alias_entry(ptr, &e))
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -735,7 +739,8 @@ static int tomoyo_update_alias_entry(const char *original_name,
struct tomoyo_alias_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list, &tomoyo_alias_list);
list_add_tail_rcu(&entry->head.list,
&tomoyo_alias_list);
error = 0;
}
}
@ -763,8 +768,8 @@ bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head)
list_for_each_cookie(pos, head->read_var2, &tomoyo_alias_list) {
struct tomoyo_alias_entry *ptr;
ptr = list_entry(pos, struct tomoyo_alias_entry, list);
if (ptr->is_deleted)
ptr = list_entry(pos, struct tomoyo_alias_entry, head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, TOMOYO_KEYWORD_ALIAS "%s %s\n",
ptr->original_name->name,
@ -901,8 +906,8 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
if (tomoyo_pathcmp(&rn, &sn)) {
struct tomoyo_alias_entry *ptr;
/* Is this program allowed to be called via symbolic links? */
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
if (ptr->is_deleted ||
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, head.list) {
if (ptr->head.is_deleted ||
tomoyo_pathcmp(&rn, ptr->original_name) ||
tomoyo_pathcmp(&sn, ptr->aliased_name))
continue;
@ -917,8 +922,9 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
/* Check 'aggregator' directive. */
{
struct tomoyo_aggregator_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list, list) {
if (ptr->is_deleted ||
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list,
head.list) {
if (ptr->head.is_deleted ||
!tomoyo_path_matches_pattern(&rn,
ptr->original_name))
continue;

46
security/tomoyo/file.c
View File

@ -277,10 +277,11 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
return -ENOMEM;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list,
head.list) {
if (ptr->filename != e.filename)
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -288,7 +289,7 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
struct tomoyo_globally_readable_file_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_globally_readable_list);
error = 0;
}
@ -314,8 +315,9 @@ static bool tomoyo_is_globally_readable_file(const struct tomoyo_path_info *
struct tomoyo_globally_readable_file_entry *ptr;
bool found = false;
list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list, list) {
if (!ptr->is_deleted &&
list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list,
head.list) {
if (!ptr->head.is_deleted &&
tomoyo_path_matches_pattern(filename, ptr->filename)) {
found = true;
break;
@ -358,8 +360,8 @@ bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head)
struct tomoyo_globally_readable_file_entry *ptr;
ptr = list_entry(pos,
struct tomoyo_globally_readable_file_entry,
list);
if (ptr->is_deleted)
head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, TOMOYO_KEYWORD_ALLOW_READ "%s\n",
ptr->filename->name);
@ -424,10 +426,10 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
return error;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, head.list) {
if (e.pattern != ptr->pattern)
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -435,7 +437,8 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
struct tomoyo_pattern_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list, &tomoyo_pattern_list);
list_add_tail_rcu(&entry->head.list,
&tomoyo_pattern_list);
error = 0;
}
}
@ -459,8 +462,8 @@ const char *tomoyo_file_pattern(const struct tomoyo_path_info *filename)
struct tomoyo_pattern_entry *ptr;
const struct tomoyo_path_info *pattern = NULL;
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
if (ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, head.list) {
if (ptr->head.is_deleted)
continue;
if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
continue;
@ -508,8 +511,8 @@ bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head)
list_for_each_cookie(pos, head->read_var2, &tomoyo_pattern_list) {
struct tomoyo_pattern_entry *ptr;
ptr = list_entry(pos, struct tomoyo_pattern_entry, list);
if (ptr->is_deleted)
ptr = list_entry(pos, struct tomoyo_pattern_entry, head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, TOMOYO_KEYWORD_FILE_PATTERN
"%s\n", ptr->pattern->name);
@ -574,10 +577,10 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
return error;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, head.list) {
if (ptr->pattern != e.pattern)
continue;
ptr->is_deleted = is_delete;
ptr->head.is_deleted = is_delete;
error = 0;
break;
}
@ -585,7 +588,7 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
struct tomoyo_no_rewrite_entry *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list,
list_add_tail_rcu(&entry->head.list,
&tomoyo_no_rewrite_list);
error = 0;
}
@ -611,8 +614,8 @@ static bool tomoyo_is_no_rewrite_file(const struct tomoyo_path_info *filename)
struct tomoyo_no_rewrite_entry *ptr;
bool found = false;
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
if (ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, head.list) {
if (ptr->head.is_deleted)
continue;
if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
continue;
@ -653,8 +656,9 @@ bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head)
list_for_each_cookie(pos, head->read_var2, &tomoyo_no_rewrite_list) {
struct tomoyo_no_rewrite_entry *ptr;
ptr = list_entry(pos, struct tomoyo_no_rewrite_entry, list);
if (ptr->is_deleted)
ptr = list_entry(pos, struct tomoyo_no_rewrite_entry,
head.list);
if (ptr->head.is_deleted)
continue;
done = tomoyo_io_printf(head, TOMOYO_KEYWORD_DENY_REWRITE
"%s\n", ptr->pattern->name);

63
security/tomoyo/gc.c
View File

@ -216,33 +216,34 @@ static void tomoyo_collect_entry(void)
{
struct tomoyo_globally_readable_file_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list,
list) {
if (!ptr->is_deleted)
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_GLOBALLY_READABLE, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
}
{
struct tomoyo_pattern_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
if (!ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_PATTERN, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
}
{
struct tomoyo_no_rewrite_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
if (!ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list,
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_NO_REWRITE, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
@ -250,44 +251,46 @@ static void tomoyo_collect_entry(void)
{
struct tomoyo_domain_initializer_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list,
list) {
if (!ptr->is_deleted)
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_DOMAIN_INITIALIZER, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
}
{
struct tomoyo_domain_keeper_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
if (!ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list,
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_DOMAIN_KEEPER, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
}
{
struct tomoyo_aggregator_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list, list) {
if (!ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_aggregator_list,
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_AGGREGATOR, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
}
{
struct tomoyo_alias_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
if (!ptr->is_deleted)
list_for_each_entry_rcu(ptr, &tomoyo_alias_list, head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_ALIAS, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
@ -295,11 +298,11 @@ static void tomoyo_collect_entry(void)
{
struct tomoyo_policy_manager_entry *ptr;
list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list,
list) {
if (!ptr->is_deleted)
head.list) {
if (!ptr->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_MANAGER, ptr))
list_del_rcu(&ptr->list);
list_del_rcu(&ptr->head.list);
else
break;
}
@ -352,12 +355,12 @@ static void tomoyo_collect_entry(void)
list_for_each_entry_rcu(group, &tomoyo_path_group_list, list) {
struct tomoyo_path_group_member *member;
list_for_each_entry_rcu(member, &group->member_list,
list) {
if (!member->is_deleted)
head.list) {
if (!member->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_PATH_GROUP_MEMBER,
member))
list_del_rcu(&member->list);
list_del_rcu(&member->head.list);
else
break;
}
@ -375,12 +378,12 @@ static void tomoyo_collect_entry(void)
list_for_each_entry_rcu(group, &tomoyo_number_group_list, list) {
struct tomoyo_number_group_member *member;
list_for_each_entry_rcu(member, &group->member_list,
list) {
if (!member->is_deleted)
head.list) {
if (!member->head.is_deleted)
continue;
if (tomoyo_add_to_gc(TOMOYO_ID_NUMBER_GROUP_MEMBER,
member))
list_del_rcu(&member->list);
list_del_rcu(&member->head.list);
else
break;
}

15
security/tomoyo/number_group.c
View File

@ -84,10 +84,10 @@ int tomoyo_write_number_group_policy(char *data, const bool is_delete)
return -ENOMEM;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(member, &group->member_list, list) {
list_for_each_entry_rcu(member, &group->member_list, head.list) {
if (memcmp(&member->number, &e.number, sizeof(e.number)))
continue;
member->is_deleted = is_delete;
member->head.is_deleted = is_delete;
error = 0;
break;
}
@ -95,7 +95,8 @@ int tomoyo_write_number_group_policy(char *data, const bool is_delete)
struct tomoyo_number_group_member *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list, &group->member_list);
list_add_tail_rcu(&entry->head.list,
&group->member_list);
error = 0;
}
}
@ -129,8 +130,8 @@ bool tomoyo_read_number_group_policy(struct tomoyo_io_buffer *head)
const struct tomoyo_number_group_member *member
= list_entry(mpos,
struct tomoyo_number_group_member,
list);
if (member->is_deleted)
head.list);
if (member->head.is_deleted)
continue;
pos = head->read_avail;
if (!tomoyo_io_printf(head, TOMOYO_KEYWORD_NUMBER_GROUP
@ -162,8 +163,8 @@ bool tomoyo_number_matches_group(const unsigned long min,
{
struct tomoyo_number_group_member *member;
bool matched = false;
list_for_each_entry_rcu(member, &group->member_list, list) {
if (member->is_deleted)
list_for_each_entry_rcu(member, &group->member_list, head.list) {
if (member->head.is_deleted)
continue;
if (min > member->number.values[1] ||
max < member->number.values[0])

15
security/tomoyo/path_group.c
View File

@ -79,10 +79,10 @@ int tomoyo_write_path_group_policy(char *data, const bool is_delete)
goto out;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
list_for_each_entry_rcu(member, &group->member_list, list) {
list_for_each_entry_rcu(member, &group->member_list, head.list) {
if (member->member_name != e.member_name)
continue;
member->is_deleted = is_delete;
member->head.is_deleted = is_delete;
error = 0;
break;
}
@ -90,7 +90,8 @@ int tomoyo_write_path_group_policy(char *data, const bool is_delete)
struct tomoyo_path_group_member *entry =
tomoyo_commit_ok(&e, sizeof(e));
if (entry) {
list_add_tail_rcu(&entry->list, &group->member_list);
list_add_tail_rcu(&entry->head.list,
&group->member_list);
error = 0;
}
}
@ -122,8 +123,8 @@ bool tomoyo_read_path_group_policy(struct tomoyo_io_buffer *head)
struct tomoyo_path_group_member *member;
member = list_entry(mpos,
struct tomoyo_path_group_member,
list);
if (member->is_deleted)
head.list);
if (member->head.is_deleted)
continue;
if (!tomoyo_io_printf(head, TOMOYO_KEYWORD_PATH_GROUP
"%s %s\n",
@ -150,8 +151,8 @@ bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
{
struct tomoyo_path_group_member *member;
bool matched = false;
list_for_each_entry_rcu(member, &group->member_list, list) {
if (member->is_deleted)
list_for_each_entry_rcu(member, &group->member_list, head.list) {
if (member->head.is_deleted)
continue;
if (!tomoyo_path_matches_pattern(pathname,
member->member_name))