/* Profile number is an integer between 0 and 255. */
#define TOMOYO_MAX_PROFILES 256
+enum tomoyo_mode_index {
+ TOMOYO_CONFIG_DISABLED,
+ TOMOYO_CONFIG_LEARNING,
+ TOMOYO_CONFIG_PERMISSIVE,
+ TOMOYO_CONFIG_ENFORCING
+};
+
/* Keywords for ACLs. */
#define TOMOYO_KEYWORD_ALIAS "alias "
#define TOMOYO_KEYWORD_ALLOW_READ "allow_read "
#define TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN "no_initialize_domain "
#define TOMOYO_KEYWORD_NO_KEEP_DOMAIN "no_keep_domain "
#define TOMOYO_KEYWORD_PATH_GROUP "path_group "
+#define TOMOYO_KEYWORD_NUMBER_GROUP "number_group "
#define TOMOYO_KEYWORD_SELECT "select "
#define TOMOYO_KEYWORD_USE_PROFILE "use_profile "
#define TOMOYO_KEYWORD_IGNORE_GLOBAL_ALLOW_READ "ignore_global_allow_read"
#define TOMOYO_ROOT_NAME "<kernel>"
#define TOMOYO_ROOT_NAME_LEN (sizeof(TOMOYO_ROOT_NAME) - 1)
+/* Value type definition. */
+#define TOMOYO_VALUE_TYPE_INVALID 0
+#define TOMOYO_VALUE_TYPE_DECIMAL 1
+#define TOMOYO_VALUE_TYPE_OCTAL 2
+#define TOMOYO_VALUE_TYPE_HEXADECIMAL 3
+
/* Index numbers for Access Controls. */
enum tomoyo_mac_index {
TOMOYO_MAC_FOR_FILE, /* domain_policy.conf */
enum tomoyo_acl_entry_type_index {
TOMOYO_TYPE_PATH_ACL,
TOMOYO_TYPE_PATH2_ACL,
+ TOMOYO_TYPE_PATH_NUMBER_ACL,
+ TOMOYO_TYPE_PATH_NUMBER3_ACL,
};
/* Index numbers for File Controls. */
/*
- * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
- * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
- * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
- * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
- * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
- * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
+ * TOMOYO_TYPE_READ_WRITE is special. TOMOYO_TYPE_READ_WRITE is automatically
+ * set if both TOMOYO_TYPE_READ and TOMOYO_TYPE_WRITE are set.
+ * Both TOMOYO_TYPE_READ and TOMOYO_TYPE_WRITE are automatically set if
+ * TOMOYO_TYPE_READ_WRITE is set.
+ * TOMOYO_TYPE_READ_WRITE is automatically cleared if either TOMOYO_TYPE_READ
+ * or TOMOYO_TYPE_WRITE is cleared.
+ * Both TOMOYO_TYPE_READ and TOMOYO_TYPE_WRITE are automatically cleared if
+ * TOMOYO_TYPE_READ_WRITE is cleared.
*/
enum tomoyo_path_acl_index {
TOMOYO_TYPE_EXECUTE,
TOMOYO_TYPE_READ,
TOMOYO_TYPE_WRITE,
- TOMOYO_TYPE_CREATE,
TOMOYO_TYPE_UNLINK,
- TOMOYO_TYPE_MKDIR,
TOMOYO_TYPE_RMDIR,
- TOMOYO_TYPE_MKFIFO,
- TOMOYO_TYPE_MKSOCK,
- TOMOYO_TYPE_MKBLOCK,
- TOMOYO_TYPE_MKCHAR,
TOMOYO_TYPE_TRUNCATE,
TOMOYO_TYPE_SYMLINK,
TOMOYO_TYPE_REWRITE,
- TOMOYO_TYPE_IOCTL,
- TOMOYO_TYPE_CHMOD,
- TOMOYO_TYPE_CHOWN,
- TOMOYO_TYPE_CHGRP,
TOMOYO_TYPE_CHROOT,
TOMOYO_TYPE_MOUNT,
TOMOYO_TYPE_UMOUNT,
TOMOYO_MAX_PATH_OPERATION
};
+enum tomoyo_path_number3_acl_index {
+ TOMOYO_TYPE_MKBLOCK,
+ TOMOYO_TYPE_MKCHAR,
+ TOMOYO_MAX_PATH_NUMBER3_OPERATION
+};
+
enum tomoyo_path2_acl_index {
TOMOYO_TYPE_LINK,
TOMOYO_TYPE_RENAME,
TOMOYO_MAX_PATH2_OPERATION
};
+enum tomoyo_path_number_acl_index {
+ TOMOYO_TYPE_CREATE,
+ TOMOYO_TYPE_MKDIR,
+ TOMOYO_TYPE_MKFIFO,
+ TOMOYO_TYPE_MKSOCK,
+ TOMOYO_TYPE_IOCTL,
+ TOMOYO_TYPE_CHMOD,
+ TOMOYO_TYPE_CHOWN,
+ TOMOYO_TYPE_CHGRP,
+ TOMOYO_MAX_PATH_NUMBER_OPERATION
+};
+
enum tomoyo_securityfs_interface_index {
TOMOYO_DOMAINPOLICY,
TOMOYO_EXCEPTIONPOLICY,
char buffer[4096];
};
+/*
+ * tomoyo_request_info is a structure which is used for holding
+ *
+ * (1) Domain information of current process.
+ * (2) Access control mode of the profile.
+ */
+struct tomoyo_request_info {
+ struct tomoyo_domain_info *domain;
+ u8 mode; /* One of tomoyo_mode_index . */
+};
+
/*
* tomoyo_path_info is a structure which is used for holding a string data
* used by TOMOYO.
u8 is_group;
};
+struct tomoyo_number_union {
+ unsigned long values[2];
+ struct tomoyo_number_group *group;
+ u8 min_type;
+ u8 max_type;
+ u8 is_group;
+};
+
/* Structure for "path_group" directive. */
struct tomoyo_path_group {
struct list_head list;
atomic_t users;
};
+/* Structure for "number_group" directive. */
+struct tomoyo_number_group {
+ struct list_head list;
+ const struct tomoyo_path_info *group_name;
+ struct list_head member_list;
+ atomic_t users;
+};
+
/* Structure for "path_group" directive. */
struct tomoyo_path_group_member {
struct list_head list;
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_number_union number;
+};
+
/*
* tomoyo_acl_info is a structure which is used for holding
*
* (3) "name" is the pathname.
*
* Directives held by this structure are "allow_read/write", "allow_execute",
- * "allow_read", "allow_write", "allow_create", "allow_unlink", "allow_mkdir",
- * "allow_rmdir", "allow_mkfifo", "allow_mksock", "allow_mkblock",
- * "allow_mkchar", "allow_truncate", "allow_symlink", "allow_rewrite",
- * "allow_chmod", "allow_chown", "allow_chgrp", "allow_chroot", "allow_mount"
- * and "allow_unmount".
+ * "allow_read", "allow_write", "allow_unlink", "allow_rmdir",
+ * "allow_truncate", "allow_symlink", "allow_rewrite", "allow_chroot",
+ * "allow_mount" and "allow_unmount".
*/
struct tomoyo_path_acl {
struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_PATH_ACL */
- u8 perm_high;
u16 perm;
struct tomoyo_name_union name;
};
+/*
+ * tomoyo_path_number_acl is a structure which is used for holding an
+ * entry with one pathname and one number operation.
+ * It has following fields.
+ *
+ * (1) "head" which is a "struct tomoyo_acl_info".
+ * (2) "perm" which is a bitmask of permitted operations.
+ * (3) "name" is the pathname.
+ * (4) "number" is the numeric value.
+ *
+ * Directives held by this structure are "allow_create", "allow_mkdir",
+ * "allow_ioctl", "allow_mkfifo", "allow_mksock", "allow_chmod", "allow_chown"
+ * and "allow_chgrp".
+ *
+ */
+struct tomoyo_path_number_acl {
+ struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_PATH_NUMBER_ACL */
+ u8 perm;
+ struct tomoyo_name_union name;
+ struct tomoyo_number_union number;
+};
+
+/*
+ * tomoyo_path_number3_acl is a structure which is used for holding an
+ * entry with one pathname and three numbers operation.
+ * It has following fields.
+ *
+ * (1) "head" which is a "struct tomoyo_acl_info".
+ * (2) "perm" which is a bitmask of permitted operations.
+ * (3) "mode" is the create mode.
+ * (4) "major" is the major number of device node.
+ * (5) "minor" is the minor number of device node.
+ *
+ * Directives held by this structure are "allow_mkchar", "allow_mkblock".
+ *
+ */
+struct tomoyo_path_number3_acl {
+ struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_PATH_NUMBER3_ACL */
+ u8 perm;
+ struct tomoyo_name_union name;
+ struct tomoyo_number_union mode;
+ struct tomoyo_number_union major;
+ struct tomoyo_number_union minor;
+};
+
/*
* tomoyo_path2_acl is a structure which is used for holding an
* entry with two pathnames operation (i.e. link(), rename() and pivot_root()).
bool tomoyo_compare_name_union(const struct tomoyo_path_info *name,
const struct tomoyo_name_union *ptr);
/* Check whether the domain has too many ACL entries to hold. */
-bool tomoyo_domain_quota_is_ok(struct tomoyo_domain_info * const domain);
+bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r);
/* Transactional sprintf() for policy dump. */
bool tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
const struct tomoyo_path_group *group,
const bool may_use_pattern);
+/* Check whether the given value matches the given number_group. */
+bool tomoyo_number_matches_group(const unsigned long min,
+ const unsigned long max,
+ const struct tomoyo_number_group *group);
/* Check whether the given filename matches the given pattern. */
bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
const struct tomoyo_path_info *pattern);
+
+bool tomoyo_print_number_union(struct tomoyo_io_buffer *head,
+ const struct tomoyo_number_union *ptr);
+bool tomoyo_parse_number_union(char *data, struct tomoyo_number_union *num);
+
/* Read "alias" entry in exception policy. */
bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head);
/*
bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head);
/* Read "path_group" entry in exception policy. */
bool tomoyo_read_path_group_policy(struct tomoyo_io_buffer *head);
+/* Read "number_group" entry in exception policy. */
+bool tomoyo_read_number_group_policy(struct tomoyo_io_buffer *head);
/* Read "allow_read" entry in exception policy. */
bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head);
/* Read "deny_rewrite" entry in exception policy. */
bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain);
/* Convert double path operation to operation name. */
const char *tomoyo_path22keyword(const u8 operation);
+const char *tomoyo_path_number2keyword(const u8 operation);
+const char *tomoyo_path_number32keyword(const u8 operation);
/* Get the last component of the given domainname. */
const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain);
-/* Get warning message. */
-const char *tomoyo_get_msg(const bool is_enforce);
/* Convert single path operation to operation name. */
const char *tomoyo_path2keyword(const u8 operation);
/* Create "alias" entry in exception policy. */
int tomoyo_write_pattern_policy(char *data, const bool is_delete);
/* Create "path_group" entry in exception policy. */
int tomoyo_write_path_group_policy(char *data, const bool is_delete);
+/* Create "number_group" entry in exception policy. */
+int tomoyo_write_number_group_policy(char *data, const bool is_delete);
/* Find a domain by the given name. */
struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
/* Find or create a domain by the given name. */
/* Allocate memory for "struct tomoyo_path_group". */
struct tomoyo_path_group *tomoyo_get_path_group(const char *group_name);
+struct tomoyo_number_group *tomoyo_get_number_group(const char *group_name);
/* Check mode for specified functionality. */
unsigned int tomoyo_check_flags(const struct tomoyo_domain_info *domain,
/* Run policy loader when /sbin/init starts. */
void tomoyo_load_policy(const char *filename);
+void tomoyo_put_number_union(struct tomoyo_number_union *ptr);
+
/* Convert binary string to ascii string. */
int tomoyo_encode(char *buffer, int buflen, const char *str);
const struct tomoyo_path_info *filename);
int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
struct path *path, const int flag);
+int tomoyo_path_number_perm(const u8 operation, struct path *path,
+ unsigned long number);
+int tomoyo_path_number3_perm(const u8 operation, struct path *path,
+ const unsigned int mode, unsigned int dev);
int tomoyo_path_perm(const u8 operation, struct path *path);
int tomoyo_path2_perm(const u8 operation, struct path *path1,
struct path *path2);
-int tomoyo_check_rewrite_permission(struct file *filp);
int tomoyo_find_next_domain(struct linux_binprm *bprm);
+void tomoyo_print_ulong(char *buffer, const int buffer_len,
+ const unsigned long value, const u8 type);
+
/* Drop refcount on tomoyo_name_union. */
void tomoyo_put_name_union(struct tomoyo_name_union *ptr);
extern struct list_head tomoyo_domain_list;
extern struct list_head tomoyo_path_group_list;
+extern struct list_head tomoyo_number_group_list;
extern struct list_head tomoyo_domain_initializer_list;
extern struct list_head tomoyo_domain_keeper_list;
extern struct list_head tomoyo_alias_list;
atomic_dec(&group->users);
}
+static inline void tomoyo_put_number_group(struct tomoyo_number_group *group)
+{
+ if (group)
+ atomic_dec(&group->users);
+}
+
static inline struct tomoyo_domain_info *tomoyo_domain(void)
{
return current_cred()->security;
p1->is_group == p2->is_group;
}
+static inline bool tomoyo_is_same_number_union
+(const struct tomoyo_number_union *p1, const struct tomoyo_number_union *p2)
+{
+ return p1->values[0] == p2->values[0] && p1->values[1] == p2->values[1]
+ && p1->group == p2->group && p1->min_type == p2->min_type &&
+ p1->max_type == p2->max_type && p1->is_group == p2->is_group;
+}
+
static inline bool tomoyo_is_same_path_acl(const struct tomoyo_path_acl *p1,
const struct tomoyo_path_acl *p2)
{
tomoyo_is_same_name_union(&p1->name, &p2->name);
}
+static inline bool tomoyo_is_same_path_number3_acl
+(const struct tomoyo_path_number3_acl *p1,
+ const struct tomoyo_path_number3_acl *p2)
+{
+ 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);
+}
+
+
static inline bool tomoyo_is_same_path2_acl(const struct tomoyo_path2_acl *p1,
const struct tomoyo_path2_acl *p2)
{
tomoyo_is_same_name_union(&p1->name2, &p2->name2);
}
+static inline bool tomoyo_is_same_path_number_acl
+(const struct tomoyo_path_number_acl *p1,
+ const struct tomoyo_path_number_acl *p2)
+{
+ 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);
+}
+
static inline bool tomoyo_is_same_domain_initializer_entry
(const struct tomoyo_domain_initializer_entry *p1,
const struct tomoyo_domain_initializer_entry *p2)
projects / deliverable / linux.git / blobdiff