#include <linux/slab.h>
/* Keyword array for operations with one pathname. */
-static const char *tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION] = {
+const char *tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION] = {
[TOMOYO_TYPE_READ_WRITE] = "read/write",
[TOMOYO_TYPE_EXECUTE] = "execute",
[TOMOYO_TYPE_READ] = "read",
};
/* Keyword array for operations with one pathname and three numbers. */
-static const char *tomoyo_path_number3_keyword
-[TOMOYO_MAX_PATH_NUMBER3_OPERATION] = {
+const char *tomoyo_mkdev_keyword[TOMOYO_MAX_MKDEV_OPERATION] = {
[TOMOYO_TYPE_MKBLOCK] = "mkblock",
[TOMOYO_TYPE_MKCHAR] = "mkchar",
};
/* Keyword array for operations with two pathnames. */
-static const char *tomoyo_path2_keyword[TOMOYO_MAX_PATH2_OPERATION] = {
+const char *tomoyo_path2_keyword[TOMOYO_MAX_PATH2_OPERATION] = {
[TOMOYO_TYPE_LINK] = "link",
[TOMOYO_TYPE_RENAME] = "rename",
[TOMOYO_TYPE_PIVOT_ROOT] = "pivot_root",
};
/* Keyword array for operations with one pathname and one number. */
-static const char *tomoyo_path_number_keyword
-[TOMOYO_MAX_PATH_NUMBER_OPERATION] = {
+const char *tomoyo_path_number_keyword[TOMOYO_MAX_PATH_NUMBER_OPERATION] = {
[TOMOYO_TYPE_CREATE] = "create",
[TOMOYO_TYPE_MKDIR] = "mkdir",
[TOMOYO_TYPE_MKFIFO] = "mkfifo",
[TOMOYO_TYPE_UMOUNT] = TOMOYO_MAC_FILE_UMOUNT,
};
-static const u8 tomoyo_pnnn2mac[TOMOYO_MAX_PATH_NUMBER3_OPERATION] = {
+static const u8 tomoyo_pnnn2mac[TOMOYO_MAX_MKDEV_OPERATION] = {
[TOMOYO_TYPE_MKBLOCK] = TOMOYO_MAC_FILE_MKBLOCK,
[TOMOYO_TYPE_MKCHAR] = TOMOYO_MAC_FILE_MKCHAR,
};
if (!ptr)
return;
if (ptr->is_group)
- tomoyo_put_path_group(ptr->group);
+ tomoyo_put_group(ptr->group);
else
tomoyo_put_name(ptr->filename);
}
-bool tomoyo_compare_name_union(const struct tomoyo_path_info *name,
- const struct tomoyo_name_union *ptr)
+const struct tomoyo_path_info *
+tomoyo_compare_name_union(const struct tomoyo_path_info *name,
+ const struct tomoyo_name_union *ptr)
{
if (ptr->is_group)
return tomoyo_path_matches_group(name, ptr->group);
- return tomoyo_path_matches_pattern(name, ptr->filename);
+ if (tomoyo_path_matches_pattern(name, ptr->filename))
+ return ptr->filename;
+ return NULL;
}
void tomoyo_put_number_union(struct tomoyo_number_union *ptr)
{
if (ptr && ptr->is_group)
- tomoyo_put_number_group(ptr->group);
+ tomoyo_put_group(ptr->group);
}
bool tomoyo_compare_number_union(const unsigned long value,
return value >= ptr->values[0] && value <= ptr->values[1];
}
-/**
- * tomoyo_path2keyword - Get the name of single path operation.
- *
- * @operation: Type of operation.
- *
- * Returns the name of single path operation.
- */
-const char *tomoyo_path2keyword(const u8 operation)
-{
- return (operation < TOMOYO_MAX_PATH_OPERATION)
- ? tomoyo_path_keyword[operation] : NULL;
-}
-
-/**
- * tomoyo_path_number32keyword - Get the name of path/number/number/number operations.
- *
- * @operation: Type of operation.
- *
- * Returns the name of path/number/number/number operation.
- */
-const char *tomoyo_path_number32keyword(const u8 operation)
-{
- return (operation < TOMOYO_MAX_PATH_NUMBER3_OPERATION)
- ? tomoyo_path_number3_keyword[operation] : NULL;
-}
-
-/**
- * tomoyo_path22keyword - Get the name of double path operation.
- *
- * @operation: Type of operation.
- *
- * Returns the name of double path operation.
- */
-const char *tomoyo_path22keyword(const u8 operation)
-{
- return (operation < TOMOYO_MAX_PATH2_OPERATION)
- ? tomoyo_path2_keyword[operation] : NULL;
-}
-
-/**
- * tomoyo_path_number2keyword - Get the name of path/number operations.
- *
- * @operation: Type of operation.
- *
- * Returns the name of path/number operation.
- */
-const char *tomoyo_path_number2keyword(const u8 operation)
-{
- return (operation < TOMOYO_MAX_PATH_NUMBER_OPERATION)
- ? tomoyo_path_number_keyword[operation] : NULL;
-}
-
static void tomoyo_add_slash(struct tomoyo_path_info *buf)
{
if (buf->is_dir)
return 0;
tomoyo_warn_log(r, "%s %s", operation, filename->name);
return tomoyo_supervisor(r, "allow_%s %s\n", operation,
- tomoyo_file_pattern(filename));
+ tomoyo_pattern(filename));
}
/**
tomoyo_warn_log(r, "%s %s %s", operation, filename1->name,
filename2->name);
return tomoyo_supervisor(r, "allow_%s %s %s\n", operation,
- tomoyo_file_pattern(filename1),
- tomoyo_file_pattern(filename2));
+ tomoyo_pattern(filename1),
+ tomoyo_pattern(filename2));
}
/**
*/
static int tomoyo_audit_mkdev_log(struct tomoyo_request_info *r)
{
- const char *operation = tomoyo_path_number32keyword(r->param.mkdev.
- operation);
+ const char *operation = tomoyo_mkdev_keyword[r->param.mkdev.operation];
const struct tomoyo_path_info *filename = r->param.mkdev.filename;
const unsigned int major = r->param.mkdev.major;
const unsigned int minor = r->param.mkdev.minor;
tomoyo_warn_log(r, "%s %s 0%o %u %u", operation, filename->name, mode,
major, minor);
return tomoyo_supervisor(r, "allow_%s %s 0%o %u %u\n", operation,
- tomoyo_file_pattern(filename), mode, major,
- minor);
+ tomoyo_pattern(filename), mode, major, minor);
}
/**
radix);
tomoyo_warn_log(r, "%s %s %s", operation, filename->name, buffer);
return tomoyo_supervisor(r, "allow_%s %s %s\n", operation,
- tomoyo_file_pattern(filename), buffer);
+ tomoyo_pattern(filename), buffer);
}
-static int tomoyo_update_path2_acl(const u8 type, const char *filename1,
- const char *filename2,
- struct tomoyo_domain_info *const domain,
- const bool is_delete);
-static int tomoyo_update_path_acl(const u8 type, const char *filename,
- struct tomoyo_domain_info *const domain,
- const bool is_delete);
-
-/*
- * tomoyo_globally_readable_list is used for holding list of pathnames which
- * are by default allowed to be open()ed for reading by any process.
- *
- * An entry is added by
- *
- * # echo 'allow_read /lib/libc-2.5.so' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and is deleted by
- *
- * # echo 'delete allow_read /lib/libc-2.5.so' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and all entries are retrieved by
- *
- * # grep ^allow_read /sys/kernel/security/tomoyo/exception_policy
- *
- * In the example above, any process is allowed to
- * open("/lib/libc-2.5.so", O_RDONLY).
- * One exception is, if the domain which current process belongs to is marked
- * as "ignore_global_allow_read", current process can't do so unless explicitly
- * given "allow_read /lib/libc-2.5.so" to the domain which current process
- * belongs to.
- */
-LIST_HEAD(tomoyo_globally_readable_list);
-
static bool tomoyo_same_globally_readable(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_globally_readable_file_entry,
+ return container_of(a, struct tomoyo_readable_file,
head)->filename ==
- container_of(b, struct tomoyo_globally_readable_file_entry,
+ container_of(b, struct tomoyo_readable_file,
head)->filename;
}
/**
- * tomoyo_update_globally_readable_entry - Update "struct tomoyo_globally_readable_file_entry" list.
+ * tomoyo_update_globally_readable_entry - Update "struct tomoyo_readable_file" list.
*
* @filename: Filename unconditionally permitted to open() for reading.
* @is_delete: True if it is a delete request.
static int tomoyo_update_globally_readable_entry(const char *filename,
const bool is_delete)
{
- struct tomoyo_globally_readable_file_entry e = { };
+ struct tomoyo_readable_file e = { };
int error;
- if (!tomoyo_is_correct_word(filename))
+ if (!tomoyo_correct_word(filename))
return -EINVAL;
e.filename = tomoyo_get_name(filename);
if (!e.filename)
return -ENOMEM;
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
- &tomoyo_globally_readable_list,
+ &tomoyo_policy_list
+ [TOMOYO_ID_GLOBALLY_READABLE],
tomoyo_same_globally_readable);
tomoyo_put_name(e.filename);
return error;
}
/**
- * tomoyo_is_globally_readable_file - Check if the file is unconditionnaly permitted to be open()ed for reading.
+ * tomoyo_globally_readable_file - Check if the file is unconditionnaly permitted to be open()ed for reading.
*
* @filename: The filename to check.
*
*
* Caller holds tomoyo_read_lock().
*/
-static bool tomoyo_is_globally_readable_file(const struct tomoyo_path_info *
+static bool tomoyo_globally_readable_file(const struct tomoyo_path_info *
filename)
{
- struct tomoyo_globally_readable_file_entry *ptr;
+ struct tomoyo_readable_file *ptr;
bool found = false;
- list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list,
- head.list) {
+ list_for_each_entry_rcu(ptr, &tomoyo_policy_list
+ [TOMOYO_ID_GLOBALLY_READABLE], head.list) {
if (!ptr->head.is_deleted &&
tomoyo_path_matches_pattern(filename, ptr->filename)) {
found = true;
}
/**
- * tomoyo_write_globally_readable_policy - Write "struct tomoyo_globally_readable_file_entry" list.
+ * tomoyo_write_globally_readable - Write "struct tomoyo_readable_file" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_globally_readable_policy(char *data, const bool is_delete)
+int tomoyo_write_globally_readable(char *data, const bool is_delete)
{
return tomoyo_update_globally_readable_entry(data, is_delete);
}
-/**
- * tomoyo_read_globally_readable_policy - Read "struct tomoyo_globally_readable_file_entry" list.
- *
- * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns true on success, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head)
-{
- struct list_head *pos;
- bool done = true;
-
- list_for_each_cookie(pos, head->read_var2,
- &tomoyo_globally_readable_list) {
- struct tomoyo_globally_readable_file_entry *ptr;
- ptr = list_entry(pos,
- struct tomoyo_globally_readable_file_entry,
- head.list);
- if (ptr->head.is_deleted)
- continue;
- done = tomoyo_io_printf(head, TOMOYO_KEYWORD_ALLOW_READ "%s\n",
- ptr->filename->name);
- if (!done)
- break;
- }
- return done;
-}
-
-/* tomoyo_pattern_list is used for holding list of pathnames which are used for
- * converting pathnames to pathname patterns during learning mode.
- *
- * An entry is added by
- *
- * # echo 'file_pattern /proc/\$/mounts' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and is deleted by
- *
- * # echo 'delete file_pattern /proc/\$/mounts' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and all entries are retrieved by
- *
- * # grep ^file_pattern /sys/kernel/security/tomoyo/exception_policy
- *
- * In the example above, if a process which belongs to a domain which is in
- * learning mode requested open("/proc/1/mounts", O_RDONLY),
- * "allow_read /proc/\$/mounts" is automatically added to the domain which that
- * process belongs to.
- *
- * It is not a desirable behavior that we have to use /proc/\$/ instead of
- * /proc/self/ when current process needs to access only current process's
- * information. As of now, LSM version of TOMOYO is using __d_path() for
- * calculating pathname. Non LSM version of TOMOYO is using its own function
- * which pretends as if /proc/self/ is not a symlink; so that we can forbid
- * current process from accessing other process's information.
- */
-LIST_HEAD(tomoyo_pattern_list);
-
static bool tomoyo_same_pattern(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_pattern_entry, head)->pattern ==
- container_of(b, struct tomoyo_pattern_entry, head)->pattern;
+ return container_of(a, struct tomoyo_no_pattern, head)->pattern ==
+ container_of(b, struct tomoyo_no_pattern, head)->pattern;
}
/**
- * tomoyo_update_file_pattern_entry - Update "struct tomoyo_pattern_entry" list.
+ * tomoyo_update_file_pattern_entry - Update "struct tomoyo_no_pattern" list.
*
* @pattern: Pathname pattern.
* @is_delete: True if it is a delete request.
static int tomoyo_update_file_pattern_entry(const char *pattern,
const bool is_delete)
{
- struct tomoyo_pattern_entry e = { };
+ struct tomoyo_no_pattern e = { };
int error;
- if (!tomoyo_is_correct_word(pattern))
+ if (!tomoyo_correct_word(pattern))
return -EINVAL;
e.pattern = tomoyo_get_name(pattern);
if (!e.pattern)
return -ENOMEM;
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
- &tomoyo_pattern_list,
+ &tomoyo_policy_list[TOMOYO_ID_PATTERN],
tomoyo_same_pattern);
tomoyo_put_name(e.pattern);
return error;
}
/**
- * tomoyo_file_pattern - Get patterned pathname.
+ * tomoyo_pattern - Get patterned pathname.
*
* @filename: The filename to find patterned pathname.
*
*
* Caller holds tomoyo_read_lock().
*/
-const char *tomoyo_file_pattern(const struct tomoyo_path_info *filename)
+const char *tomoyo_pattern(const struct tomoyo_path_info *filename)
{
- struct tomoyo_pattern_entry *ptr;
+ struct tomoyo_no_pattern *ptr;
const struct tomoyo_path_info *pattern = NULL;
- list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, head.list) {
+ list_for_each_entry_rcu(ptr, &tomoyo_policy_list[TOMOYO_ID_PATTERN],
+ head.list) {
if (ptr->head.is_deleted)
continue;
if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
}
/**
- * tomoyo_write_pattern_policy - Write "struct tomoyo_pattern_entry" list.
+ * tomoyo_write_pattern - Write "struct tomoyo_no_pattern" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_pattern_policy(char *data, const bool is_delete)
+int tomoyo_write_pattern(char *data, const bool is_delete)
{
return tomoyo_update_file_pattern_entry(data, is_delete);
}
-/**
- * tomoyo_read_file_pattern - Read "struct tomoyo_pattern_entry" list.
- *
- * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns true on success, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head)
-{
- struct list_head *pos;
- bool done = true;
-
- list_for_each_cookie(pos, head->read_var2, &tomoyo_pattern_list) {
- struct tomoyo_pattern_entry *ptr;
- 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);
- if (!done)
- break;
- }
- return done;
-}
-
-/*
- * tomoyo_no_rewrite_list is used for holding list of pathnames which are by
- * default forbidden to modify already written content of a file.
- *
- * An entry is added by
- *
- * # echo 'deny_rewrite /var/log/messages' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and is deleted by
- *
- * # echo 'delete deny_rewrite /var/log/messages' > \
- * /sys/kernel/security/tomoyo/exception_policy
- *
- * and all entries are retrieved by
- *
- * # grep ^deny_rewrite /sys/kernel/security/tomoyo/exception_policy
- *
- * In the example above, if a process requested to rewrite /var/log/messages ,
- * the process can't rewrite unless the domain which that process belongs to
- * has "allow_rewrite /var/log/messages" entry.
- *
- * It is not a desirable behavior that we have to add "\040(deleted)" suffix
- * when we want to allow rewriting already unlink()ed file. As of now,
- * LSM version of TOMOYO is using __d_path() for calculating pathname.
- * Non LSM version of TOMOYO is using its own function which doesn't append
- * " (deleted)" suffix if the file is already unlink()ed; so that we don't
- * need to worry whether the file is already unlink()ed or not.
- */
-LIST_HEAD(tomoyo_no_rewrite_list);
-
static bool tomoyo_same_no_rewrite(const struct tomoyo_acl_head *a,
const struct tomoyo_acl_head *b)
{
- return container_of(a, struct tomoyo_no_rewrite_entry, head)->pattern
- == container_of(b, struct tomoyo_no_rewrite_entry, head)
+ return container_of(a, struct tomoyo_no_rewrite, head)->pattern
+ == container_of(b, struct tomoyo_no_rewrite, head)
->pattern;
}
/**
- * tomoyo_update_no_rewrite_entry - Update "struct tomoyo_no_rewrite_entry" list.
+ * tomoyo_update_no_rewrite_entry - Update "struct tomoyo_no_rewrite" list.
*
* @pattern: Pathname pattern that are not rewritable by default.
* @is_delete: True if it is a delete request.
static int tomoyo_update_no_rewrite_entry(const char *pattern,
const bool is_delete)
{
- struct tomoyo_no_rewrite_entry e = { };
+ struct tomoyo_no_rewrite e = { };
int error;
- if (!tomoyo_is_correct_word(pattern))
+ if (!tomoyo_correct_word(pattern))
return -EINVAL;
e.pattern = tomoyo_get_name(pattern);
if (!e.pattern)
return -ENOMEM;
error = tomoyo_update_policy(&e.head, sizeof(e), is_delete,
- &tomoyo_no_rewrite_list,
+ &tomoyo_policy_list[TOMOYO_ID_NO_REWRITE],
tomoyo_same_no_rewrite);
tomoyo_put_name(e.pattern);
return error;
}
/**
- * tomoyo_is_no_rewrite_file - Check if the given pathname is not permitted to be rewrited.
+ * tomoyo_no_rewrite_file - Check if the given pathname is not permitted to be rewrited.
*
* @filename: Filename to check.
*
*
* Caller holds tomoyo_read_lock().
*/
-static bool tomoyo_is_no_rewrite_file(const struct tomoyo_path_info *filename)
+static bool tomoyo_no_rewrite_file(const struct tomoyo_path_info *filename)
{
- struct tomoyo_no_rewrite_entry *ptr;
+ struct tomoyo_no_rewrite *ptr;
bool found = false;
- list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, head.list) {
+ list_for_each_entry_rcu(ptr, &tomoyo_policy_list[TOMOYO_ID_NO_REWRITE],
+ head.list) {
if (ptr->head.is_deleted)
continue;
if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
}
/**
- * tomoyo_write_no_rewrite_policy - Write "struct tomoyo_no_rewrite_entry" list.
+ * tomoyo_write_no_rewrite - Write "struct tomoyo_no_rewrite" list.
*
* @data: String to parse.
* @is_delete: True if it is a delete request.
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete)
+int tomoyo_write_no_rewrite(char *data, const bool is_delete)
{
return tomoyo_update_no_rewrite_entry(data, is_delete);
}
-/**
- * tomoyo_read_no_rewrite_policy - Read "struct tomoyo_no_rewrite_entry" list.
- *
- * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns true on success, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head)
-{
- struct list_head *pos;
- bool done = true;
-
- 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,
- head.list);
- if (ptr->head.is_deleted)
- continue;
- done = tomoyo_io_printf(head, TOMOYO_KEYWORD_DENY_REWRITE
- "%s\n", ptr->pattern->name);
- if (!done)
- break;
- }
- return done;
-}
-
-static bool tomoyo_check_path_acl(const struct tomoyo_request_info *r,
+static bool tomoyo_check_path_acl(struct tomoyo_request_info *r,
const struct tomoyo_acl_info *ptr)
{
const struct tomoyo_path_acl *acl = container_of(ptr, typeof(*acl),
head);
- return (acl->perm & (1 << r->param.path.operation)) &&
- tomoyo_compare_name_union(r->param.path.filename, &acl->name);
+ if (acl->perm & (1 << r->param.path.operation)) {
+ r->param.path.matched_path =
+ tomoyo_compare_name_union(r->param.path.filename,
+ &acl->name);
+ return r->param.path.matched_path != NULL;
+ }
+ return false;
}
-static bool tomoyo_check_path_number_acl(const struct tomoyo_request_info *r,
+static bool tomoyo_check_path_number_acl(struct tomoyo_request_info *r,
const struct tomoyo_acl_info *ptr)
{
const struct tomoyo_path_number_acl *acl =
&acl->name);
}
-static bool tomoyo_check_path2_acl(const struct tomoyo_request_info *r,
+static bool tomoyo_check_path2_acl(struct tomoyo_request_info *r,
const struct tomoyo_acl_info *ptr)
{
const struct tomoyo_path2_acl *acl =
&acl->name2);
}
-static bool tomoyo_check_mkdev_acl(const struct tomoyo_request_info *r,
+static bool tomoyo_check_mkdev_acl(struct tomoyo_request_info *r,
const struct tomoyo_acl_info *ptr)
{
- const struct tomoyo_path_number3_acl *acl =
+ const struct tomoyo_mkdev_acl *acl =
container_of(ptr, typeof(*acl), head);
return (acl->perm & (1 << r->param.mkdev.operation)) &&
tomoyo_compare_number_union(r->param.mkdev.mode,
{
const struct tomoyo_path_acl *p1 = container_of(a, typeof(*p1), head);
const struct tomoyo_path_acl *p2 = container_of(b, typeof(*p2), head);
- return tomoyo_is_same_acl_head(&p1->head, &p2->head) &&
- tomoyo_is_same_name_union(&p1->name, &p2->name);
+ return tomoyo_same_acl_head(&p1->head, &p2->head) &&
+ tomoyo_same_name_union(&p1->name, &p2->name);
}
static bool tomoyo_merge_path_acl(struct tomoyo_acl_info *a,
return error;
}
-static bool tomoyo_same_path_number3_acl(const struct tomoyo_acl_info *a,
+static bool tomoyo_same_mkdev_acl(const struct tomoyo_acl_info *a,
const struct tomoyo_acl_info *b)
{
- const struct tomoyo_path_number3_acl *p1 = container_of(a, typeof(*p1),
+ const struct tomoyo_mkdev_acl *p1 = container_of(a, typeof(*p1),
head);
- const struct tomoyo_path_number3_acl *p2 = container_of(b, typeof(*p2),
+ const struct tomoyo_mkdev_acl *p2 = container_of(b, typeof(*p2),
head);
- return tomoyo_is_same_acl_head(&p1->head, &p2->head)
- && tomoyo_is_same_name_union(&p1->name, &p2->name)
- && tomoyo_is_same_number_union(&p1->mode, &p2->mode)
- && tomoyo_is_same_number_union(&p1->major, &p2->major)
- && tomoyo_is_same_number_union(&p1->minor, &p2->minor);
+ return tomoyo_same_acl_head(&p1->head, &p2->head)
+ && tomoyo_same_name_union(&p1->name, &p2->name)
+ && tomoyo_same_number_union(&p1->mode, &p2->mode)
+ && tomoyo_same_number_union(&p1->major, &p2->major)
+ && tomoyo_same_number_union(&p1->minor, &p2->minor);
}
-static bool tomoyo_merge_path_number3_acl(struct tomoyo_acl_info *a,
+static bool tomoyo_merge_mkdev_acl(struct tomoyo_acl_info *a,
struct tomoyo_acl_info *b,
const bool is_delete)
{
- u8 *const a_perm = &container_of(a, struct tomoyo_path_number3_acl,
+ u8 *const a_perm = &container_of(a, struct tomoyo_mkdev_acl,
head)->perm;
u8 perm = *a_perm;
- const u8 b_perm = container_of(b, struct tomoyo_path_number3_acl, head)
+ const u8 b_perm = container_of(b, struct tomoyo_mkdev_acl, head)
->perm;
if (is_delete)
perm &= ~b_perm;
}
/**
- * tomoyo_update_path_number3_acl - Update "struct tomoyo_path_number3_acl" list.
+ * tomoyo_update_mkdev_acl - Update "struct tomoyo_mkdev_acl" list.
*
* @type: Type of operation.
* @filename: Filename.
*
* Caller holds tomoyo_read_lock().
*/
-static int tomoyo_update_path_number3_acl(const u8 type, const char *filename,
+static int tomoyo_update_mkdev_acl(const u8 type, const char *filename,
char *mode, char *major, char *minor,
struct tomoyo_domain_info * const
domain, const bool is_delete)
{
- struct tomoyo_path_number3_acl e = {
- .head.type = TOMOYO_TYPE_PATH_NUMBER3_ACL,
+ struct tomoyo_mkdev_acl e = {
+ .head.type = TOMOYO_TYPE_MKDEV_ACL,
.perm = 1 << type
};
int error = is_delete ? -ENOENT : -ENOMEM;
!tomoyo_parse_number_union(minor, &e.minor))
goto out;
error = tomoyo_update_domain(&e.head, sizeof(e), is_delete, domain,
- tomoyo_same_path_number3_acl,
- tomoyo_merge_path_number3_acl);
+ tomoyo_same_mkdev_acl,
+ tomoyo_merge_mkdev_acl);
out:
tomoyo_put_name_union(&e.name);
tomoyo_put_number_union(&e.mode);
{
const struct tomoyo_path2_acl *p1 = container_of(a, typeof(*p1), head);
const struct tomoyo_path2_acl *p2 = container_of(b, typeof(*p2), head);
- return tomoyo_is_same_acl_head(&p1->head, &p2->head)
- && tomoyo_is_same_name_union(&p1->name1, &p2->name1)
- && tomoyo_is_same_name_union(&p1->name2, &p2->name2);
+ return tomoyo_same_acl_head(&p1->head, &p2->head)
+ && tomoyo_same_name_union(&p1->name1, &p2->name1)
+ && tomoyo_same_name_union(&p1->name2, &p2->name2);
}
static bool tomoyo_merge_path2_acl(struct tomoyo_acl_info *a,
tomoyo_check_acl(r, tomoyo_check_path_acl);
if (!r->granted && operation == TOMOYO_TYPE_READ &&
!r->domain->ignore_global_allow_read &&
- tomoyo_is_globally_readable_file(filename))
+ tomoyo_globally_readable_file(filename))
r->granted = true;
error = tomoyo_audit_path_log(r);
/*
* specified by "deny_rewrite" keyword.
*/
if (!error && operation == TOMOYO_TYPE_TRUNCATE &&
- tomoyo_is_no_rewrite_file(filename)) {
+ tomoyo_no_rewrite_file(filename)) {
operation = TOMOYO_TYPE_REWRITE;
goto next;
}
head);
const struct tomoyo_path_number_acl *p2 = container_of(b, typeof(*p2),
head);
- return tomoyo_is_same_acl_head(&p1->head, &p2->head)
- && tomoyo_is_same_name_union(&p1->name, &p2->name)
- && tomoyo_is_same_number_union(&p1->number, &p2->number);
+ return tomoyo_same_acl_head(&p1->head, &p2->head)
+ && tomoyo_same_name_union(&p1->name, &p2->name)
+ && tomoyo_same_number_union(&p1->number, &p2->number);
}
static bool tomoyo_merge_path_number_acl(struct tomoyo_acl_info *a,
return error;
}
-/**
- * tomoyo_path_number_perm2 - Check permission for "create", "mkdir", "mkfifo", "mksock", "ioctl", "chmod", "chown", "chgrp".
- *
- * @r: Pointer to "strct tomoyo_request_info".
- * @filename: Filename to check.
- * @number: Number.
- *
- * Returns 0 on success, negative value otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-static int tomoyo_path_number_perm2(struct tomoyo_request_info *r,
- const u8 type,
- const struct tomoyo_path_info *filename,
- const unsigned long number)
-{
- int error;
-
- if (!filename)
- return 0;
- r->param_type = TOMOYO_TYPE_PATH_NUMBER_ACL;
- r->param.path_number.operation = type;
- r->param.path_number.filename = filename;
- r->param.path_number.number = number;
- do {
- tomoyo_check_acl(r, tomoyo_check_path_number_acl);
- error = tomoyo_audit_path_number_log(r);
- } while (error == TOMOYO_RETRY_REQUEST);
- return error;
-}
-
/**
* tomoyo_path_number_perm - Check permission for "create", "mkdir", "mkfifo", "mksock", "ioctl", "chmod", "chown", "chgrp".
*
goto out;
if (type == TOMOYO_TYPE_MKDIR)
tomoyo_add_slash(&buf);
- error = tomoyo_path_number_perm2(&r, type, &buf, number);
- out:
+ r.param_type = TOMOYO_TYPE_PATH_NUMBER_ACL;
+ r.param.path_number.operation = type;
+ r.param.path_number.filename = &buf;
+ r.param.path_number.number = number;
+ do {
+ tomoyo_check_acl(&r, tomoyo_check_path_number_acl);
+ error = tomoyo_audit_path_number_log(&r);
+ } while (error == TOMOYO_RETRY_REQUEST);
kfree(buf.name);
+ out:
tomoyo_read_unlock(idx);
if (r.mode != TOMOYO_CONFIG_ENFORCING)
error = 0;
error = -ENOMEM;
goto out;
}
- if (tomoyo_is_no_rewrite_file(&buf))
+ if (tomoyo_no_rewrite_file(&buf))
error = tomoyo_path_permission(&r, TOMOYO_TYPE_REWRITE,
&buf);
}
goto out;
switch (operation) {
case TOMOYO_TYPE_REWRITE:
- if (!tomoyo_is_no_rewrite_file(&buf)) {
+ if (!tomoyo_no_rewrite_file(&buf)) {
error = 0;
goto out;
}
}
/**
- * tomoyo_path_number3_perm - Check permission for "mkblock" and "mkchar".
+ * tomoyo_mkdev_perm - Check permission for "mkblock" and "mkchar".
*
* @operation: Type of operation. (TOMOYO_TYPE_MKCHAR or TOMOYO_TYPE_MKBLOCK)
* @path: Pointer to "struct path".
*
* Returns 0 on success, negative value otherwise.
*/
-int tomoyo_path_number3_perm(const u8 operation, struct path *path,
+int tomoyo_mkdev_perm(const u8 operation, struct path *path,
const unsigned int mode, unsigned int dev)
{
struct tomoyo_request_info r;
error = -ENOMEM;
if (tomoyo_get_realpath(&buf, path)) {
dev = new_decode_dev(dev);
- r.param_type = TOMOYO_TYPE_PATH_NUMBER3_ACL;
+ r.param_type = TOMOYO_TYPE_MKDEV_ACL;
r.param.mkdev.filename = &buf;
r.param.mkdev.operation = operation;
r.param.mkdev.mode = mode;
}
/**
- * tomoyo_write_file_policy - Update file related list.
+ * tomoyo_write_file - Update file related list.
*
* @data: String to parse.
* @domain: Pointer to "struct tomoyo_domain_info".
*
* Caller holds tomoyo_read_lock().
*/
-int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete)
+int tomoyo_write_file(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete)
{
char *w[5];
u8 type;
}
if (!w[3][0] || !w[4][0])
goto out;
- for (type = 0; type < TOMOYO_MAX_PATH_NUMBER3_OPERATION; type++) {
- if (strcmp(w[0], tomoyo_path_number3_keyword[type]))
+ for (type = 0; type < TOMOYO_MAX_MKDEV_OPERATION; type++) {
+ if (strcmp(w[0], tomoyo_mkdev_keyword[type]))
continue;
- return tomoyo_update_path_number3_acl(type, w[1], w[2], w[3],
- w[4], domain, is_delete);
+ return tomoyo_update_mkdev_acl(type, w[1], w[2], w[3],
+ w[4], domain, is_delete);
}
out:
return -EINVAL;
projects / deliverable / linux.git / blobdiff