#include <linux/list.h>
#include <linux/cred.h>
#include <linux/poll.h>
-struct linux_binprm;
+#include <linux/binfmts.h>
+#include <linux/highmem.h>
/********** Constants definitions. **********/
/* Group number is an integer between 0 and 255. */
#define TOMOYO_MAX_ACL_GROUPS 256
+/* Index numbers for "struct tomoyo_condition". */
+enum tomoyo_conditions_index {
+ TOMOYO_TASK_UID, /* current_uid() */
+ TOMOYO_TASK_EUID, /* current_euid() */
+ TOMOYO_TASK_SUID, /* current_suid() */
+ TOMOYO_TASK_FSUID, /* current_fsuid() */
+ TOMOYO_TASK_GID, /* current_gid() */
+ TOMOYO_TASK_EGID, /* current_egid() */
+ TOMOYO_TASK_SGID, /* current_sgid() */
+ TOMOYO_TASK_FSGID, /* current_fsgid() */
+ TOMOYO_TASK_PID, /* sys_getpid() */
+ TOMOYO_TASK_PPID, /* sys_getppid() */
+ TOMOYO_TYPE_IS_SOCKET, /* S_IFSOCK */
+ TOMOYO_TYPE_IS_SYMLINK, /* S_IFLNK */
+ TOMOYO_TYPE_IS_FILE, /* S_IFREG */
+ TOMOYO_TYPE_IS_BLOCK_DEV, /* S_IFBLK */
+ TOMOYO_TYPE_IS_DIRECTORY, /* S_IFDIR */
+ TOMOYO_TYPE_IS_CHAR_DEV, /* S_IFCHR */
+ TOMOYO_TYPE_IS_FIFO, /* S_IFIFO */
+ TOMOYO_MODE_SETUID, /* S_ISUID */
+ TOMOYO_MODE_SETGID, /* S_ISGID */
+ TOMOYO_MODE_STICKY, /* S_ISVTX */
+ TOMOYO_MODE_OWNER_READ, /* S_IRUSR */
+ TOMOYO_MODE_OWNER_WRITE, /* S_IWUSR */
+ TOMOYO_MODE_OWNER_EXECUTE, /* S_IXUSR */
+ TOMOYO_MODE_GROUP_READ, /* S_IRGRP */
+ TOMOYO_MODE_GROUP_WRITE, /* S_IWGRP */
+ TOMOYO_MODE_GROUP_EXECUTE, /* S_IXGRP */
+ TOMOYO_MODE_OTHERS_READ, /* S_IROTH */
+ TOMOYO_MODE_OTHERS_WRITE, /* S_IWOTH */
+ TOMOYO_MODE_OTHERS_EXECUTE, /* S_IXOTH */
+ TOMOYO_EXEC_REALPATH,
+ TOMOYO_SYMLINK_TARGET,
+ TOMOYO_PATH1_UID,
+ TOMOYO_PATH1_GID,
+ TOMOYO_PATH1_INO,
+ TOMOYO_PATH1_MAJOR,
+ TOMOYO_PATH1_MINOR,
+ TOMOYO_PATH1_PERM,
+ TOMOYO_PATH1_TYPE,
+ TOMOYO_PATH1_DEV_MAJOR,
+ TOMOYO_PATH1_DEV_MINOR,
+ TOMOYO_PATH2_UID,
+ TOMOYO_PATH2_GID,
+ TOMOYO_PATH2_INO,
+ TOMOYO_PATH2_MAJOR,
+ TOMOYO_PATH2_MINOR,
+ TOMOYO_PATH2_PERM,
+ TOMOYO_PATH2_TYPE,
+ TOMOYO_PATH2_DEV_MAJOR,
+ TOMOYO_PATH2_DEV_MINOR,
+ TOMOYO_PATH1_PARENT_UID,
+ TOMOYO_PATH1_PARENT_GID,
+ TOMOYO_PATH1_PARENT_INO,
+ TOMOYO_PATH1_PARENT_PERM,
+ TOMOYO_PATH2_PARENT_UID,
+ TOMOYO_PATH2_PARENT_GID,
+ TOMOYO_PATH2_PARENT_INO,
+ TOMOYO_PATH2_PARENT_PERM,
+ TOMOYO_MAX_CONDITION_KEYWORD,
+ TOMOYO_NUMBER_UNION,
+ TOMOYO_NAME_UNION,
+};
+
+
+/* Index numbers for stat(). */
+enum tomoyo_path_stat_index {
+ /* Do not change this order. */
+ TOMOYO_PATH1,
+ TOMOYO_PATH1_PARENT,
+ TOMOYO_PATH2,
+ TOMOYO_PATH2_PARENT,
+ TOMOYO_MAX_PATH_STAT
+};
+
/* Index numbers for operation mode. */
enum tomoyo_mode_index {
TOMOYO_CONFIG_DISABLED,
TOMOYO_ID_TRANSITION_CONTROL,
TOMOYO_ID_AGGREGATOR,
TOMOYO_ID_MANAGER,
+ TOMOYO_ID_CONDITION,
TOMOYO_ID_NAME,
TOMOYO_ID_ACL,
TOMOYO_ID_DOMAIN,
TOMOYO_MAX_POLICY
};
+/* Index numbers for domain's attributes. */
+enum tomoyo_domain_info_flags_index {
+ /* Quota warnning flag. */
+ TOMOYO_DIF_QUOTA_WARNED,
+ /*
+ * This domain was unable to create a new domain at
+ * tomoyo_find_next_domain() because the name of the domain to be
+ * created was too long or it could not allocate memory.
+ * More than one process continued execve() without domain transition.
+ */
+ TOMOYO_DIF_TRANSITION_FAILED,
+ TOMOYO_MAX_DOMAIN_INFO_FLAGS
+};
+
/* Index numbers for group entries. */
enum tomoyo_group_id {
TOMOYO_PATH_GROUP,
TOMOYO_MAX_GROUP
};
-/* A domain definition starts with <kernel>. */
-#define TOMOYO_ROOT_NAME "<kernel>"
-#define TOMOYO_ROOT_NAME_LEN (sizeof(TOMOYO_ROOT_NAME) - 1)
-
/* Index numbers for type of numeric values. */
enum tomoyo_value_type {
TOMOYO_VALUE_TYPE_INVALID,
/* Index numbers for domain transition control keywords. */
enum tomoyo_transition_type {
/* Do not change this order, */
+ TOMOYO_TRANSITION_CONTROL_NO_RESET,
+ TOMOYO_TRANSITION_CONTROL_RESET,
TOMOYO_TRANSITION_CONTROL_NO_INITIALIZE,
TOMOYO_TRANSITION_CONTROL_INITIALIZE,
TOMOYO_TRANSITION_CONTROL_NO_KEEP,
TOMOYO_MAX_PATH_OPERATION
};
+/* Index numbers for /sys/kernel/security/tomoyo/stat interface. */
enum tomoyo_memory_stat_type {
TOMOYO_MEMORY_POLICY,
TOMOYO_MEMORY_AUDIT,
enum tomoyo_securityfs_interface_index {
TOMOYO_DOMAINPOLICY,
TOMOYO_EXCEPTIONPOLICY,
- TOMOYO_DOMAIN_STATUS,
TOMOYO_PROCESS_STATUS,
- TOMOYO_MEMINFO,
+ TOMOYO_STAT,
TOMOYO_SELFDOMAIN,
TOMOYO_AUDIT,
TOMOYO_VERSION,
*/
#define TOMOYO_RETRY_REQUEST 1
+/* Index numbers for /sys/kernel/security/tomoyo/stat interface. */
+enum tomoyo_policy_stat_type {
+ /* Do not change this order. */
+ TOMOYO_STAT_POLICY_UPDATES,
+ TOMOYO_STAT_POLICY_LEARNING, /* == TOMOYO_CONFIG_LEARNING */
+ TOMOYO_STAT_POLICY_PERMISSIVE, /* == TOMOYO_CONFIG_PERMISSIVE */
+ TOMOYO_STAT_POLICY_ENFORCING, /* == TOMOYO_CONFIG_ENFORCING */
+ TOMOYO_MAX_POLICY_STAT
+};
+
/* Index numbers for profile's PREFERENCE values. */
enum tomoyo_pref_index {
TOMOYO_PREF_MAX_AUDIT_LOG,
atomic_t users;
} __packed;
+struct tomoyo_policy_namespace;
+
/* Structure for request info. */
struct tomoyo_request_info {
+ /*
+ * For holding parameters specific to operations which deal files.
+ * NULL if not dealing files.
+ */
+ struct tomoyo_obj_info *obj;
+ /*
+ * For holding parameters specific to execve() request.
+ * NULL if not dealing do_execve().
+ */
+ struct tomoyo_execve *ee;
struct tomoyo_domain_info *domain;
/* For holding parameters. */
union {
struct tomoyo_number_union number;
};
+/* Subset of "struct stat". Used by conditional ACL and audit logs. */
+struct tomoyo_mini_stat {
+ uid_t uid;
+ gid_t gid;
+ ino_t ino;
+ mode_t mode;
+ dev_t dev;
+ dev_t rdev;
+};
+
+/* Structure for attribute checks in addition to pathname checks. */
+struct tomoyo_obj_info {
+ /*
+ * True if tomoyo_get_attributes() was already called, false otherwise.
+ */
+ bool validate_done;
+ /* True if @stat[] is valid. */
+ bool stat_valid[TOMOYO_MAX_PATH_STAT];
+ /* First pathname. Initialized with { NULL, NULL } if no path. */
+ struct path path1;
+ /* Second pathname. Initialized with { NULL, NULL } if no path. */
+ struct path path2;
+ /*
+ * Information on @path1, @path1's parent directory, @path2, @path2's
+ * parent directory.
+ */
+ struct tomoyo_mini_stat stat[TOMOYO_MAX_PATH_STAT];
+ /*
+ * Content of symbolic link to be created. NULL for operations other
+ * than symlink().
+ */
+ struct tomoyo_path_info *symlink_target;
+};
+
+/* Structure for execve() operation. */
+struct tomoyo_execve {
+ struct tomoyo_request_info r;
+ struct tomoyo_obj_info obj;
+ struct linux_binprm *bprm;
+ /* For temporary use. */
+ char *tmp; /* Size is TOMOYO_EXEC_TMPSIZE bytes */
+};
+
+/* Structure for entries which follows "struct tomoyo_condition". */
+struct tomoyo_condition_element {
+ /* Left hand operand. */
+ u8 left;
+ /* Right hand operand. */
+ u8 right;
+ /* Equation operator. True if equals or overlaps, false otherwise. */
+ bool equals;
+};
+
+/* Structure for optional arguments. */
+struct tomoyo_condition {
+ struct tomoyo_shared_acl_head head;
+ u32 size; /* Memory size allocated for this entry. */
+ u16 condc; /* Number of conditions in this struct. */
+ u16 numbers_count; /* Number of "struct tomoyo_number_union values". */
+ u16 names_count; /* Number of "struct tomoyo_name_union names". */
+ /*
+ * struct tomoyo_condition_element condition[condc];
+ * struct tomoyo_number_union values[numbers_count];
+ * struct tomoyo_name_union names[names_count];
+ */
+};
+
/* Common header for individual entries. */
struct tomoyo_acl_info {
struct list_head list;
+ struct tomoyo_condition *cond; /* Maybe NULL. */
bool is_deleted;
u8 type; /* One of values in "enum tomoyo_acl_entry_type_index". */
} __packed;
struct list_head acl_info_list;
/* Name of this domain. Never NULL. */
const struct tomoyo_path_info *domainname;
+ /* Namespace for this domain. Never NULL. */
+ struct tomoyo_policy_namespace *ns;
u8 profile; /* Profile number to use. */
u8 group; /* Group number to use. */
bool is_deleted; /* Delete flag. */
- bool quota_warned; /* Quota warnning flag. */
- bool transition_failed; /* Domain transition failed flag. */
+ bool flags[TOMOYO_MAX_DOMAIN_INFO_FLAGS];
atomic_t users; /* Number of referring credentials. */
};
struct tomoyo_acl_param {
char *data;
struct list_head *list;
+ struct tomoyo_policy_namespace *ns;
bool is_delete;
};
int (*poll) (struct file *file, poll_table *wait);
/* Exclusive lock for this structure. */
struct mutex io_sem;
- /* Index returned by tomoyo_read_lock(). */
- int reader_idx;
char __user *read_user_buf;
- int read_user_buf_avail;
+ size_t read_user_buf_avail;
struct {
+ struct list_head *ns;
struct list_head *domain;
struct list_head *group;
struct list_head *acl;
- int avail;
- int step;
- int query_index;
+ size_t avail;
+ unsigned int step;
+ unsigned int query_index;
u16 index;
+ u16 cond_index;
u8 acl_group_index;
+ u8 cond_step;
u8 bit;
u8 w_pos;
bool eof;
bool print_this_domain_only;
- bool print_execute_only;
+ bool print_transition_related_only;
+ bool print_cond_part;
const char *w[TOMOYO_MAX_IO_READ_QUEUE];
} r;
struct {
+ struct tomoyo_policy_namespace *ns;
/* The position currently writing to. */
struct tomoyo_domain_info *domain;
/* Bytes available for writing. */
- int avail;
+ size_t avail;
+ bool is_delete;
} w;
/* Buffer for reading. */
char *read_buf;
/* Size of read buffer. */
- int readbuf_size;
+ size_t readbuf_size;
/* Buffer for writing. */
char *write_buf;
/* Size of write buffer. */
- int writebuf_size;
+ size_t writebuf_size;
/* Type of this interface. */
- u8 type;
+ enum tomoyo_securityfs_interface_index type;
+ /* Users counter protected by tomoyo_io_buffer_list_lock. */
+ u8 users;
+ /* List for telling GC not to kfree() elements. */
+ struct list_head list;
};
/*
u8 sec;
};
+/* Structure for policy namespace. */
+struct tomoyo_policy_namespace {
+ /* Profile table. Memory is allocated as needed. */
+ struct tomoyo_profile *profile_ptr[TOMOYO_MAX_PROFILES];
+ /* List of "struct tomoyo_group". */
+ struct list_head group_list[TOMOYO_MAX_GROUP];
+ /* List of policy. */
+ struct list_head policy_list[TOMOYO_MAX_POLICY];
+ /* The global ACL referred by "use_group" keyword. */
+ struct list_head acl_group[TOMOYO_MAX_ACL_GROUPS];
+ /* List for connecting to tomoyo_namespace_list list. */
+ struct list_head namespace_list;
+ /* Profile version. Currently only 20100903 is defined. */
+ unsigned int profile_version;
+ /* Name of this namespace (e.g. "<kernel>", "</usr/sbin/httpd>" ). */
+ const char *name;
+};
+
/********** Function prototypes. **********/
-bool tomoyo_str_starts(char **src, const char *find);
-const char *tomoyo_get_exe(void);
-void tomoyo_normalize_line(unsigned char *buffer);
-void tomoyo_check_profile(void);
-int tomoyo_open_control(const u8 type, struct file *file);
-int tomoyo_close_control(struct tomoyo_io_buffer *head);
-int tomoyo_poll_control(struct file *file, poll_table *wait);
-int tomoyo_read_control(struct tomoyo_io_buffer *head, char __user *buffer,
- const int buffer_len);
-int tomoyo_write_control(struct tomoyo_io_buffer *head,
- const char __user *buffer, const int buffer_len);
-bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r);
-void tomoyo_warn_oom(const char *function);
-const struct tomoyo_path_info *
-tomoyo_compare_name_union(const struct tomoyo_path_info *name,
- const struct tomoyo_name_union *ptr);
bool tomoyo_compare_number_union(const unsigned long value,
const struct tomoyo_number_union *ptr);
-int tomoyo_get_mode(const u8 profile, const u8 index);
-void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
- __attribute__ ((format(printf, 2, 3)));
+bool tomoyo_condition(struct tomoyo_request_info *r,
+ const struct tomoyo_condition *cond);
bool tomoyo_correct_domain(const unsigned char *domainname);
bool tomoyo_correct_path(const char *filename);
bool tomoyo_correct_word(const char *string);
bool tomoyo_domain_def(const unsigned char *buffer);
-bool tomoyo_parse_name_union(struct tomoyo_acl_param *param,
- struct tomoyo_name_union *ptr);
-const struct tomoyo_path_info *
-tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
- const struct tomoyo_group *group);
+bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r);
+bool tomoyo_memory_ok(void *ptr);
bool tomoyo_number_matches_group(const unsigned long min,
const unsigned long max,
const struct tomoyo_group *group);
-bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
- const struct tomoyo_path_info *pattern);
+bool tomoyo_parse_name_union(struct tomoyo_acl_param *param,
+ struct tomoyo_name_union *ptr);
bool tomoyo_parse_number_union(struct tomoyo_acl_param *param,
struct tomoyo_number_union *ptr);
-bool tomoyo_tokenize(char *buffer, char *w[], size_t size);
-bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain);
+bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
+ const struct tomoyo_path_info *pattern);
+bool tomoyo_permstr(const char *string, const char *keyword);
+bool tomoyo_str_starts(char **src, const char *find);
+char *tomoyo_encode(const char *str);
+char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
+ va_list args);
+char *tomoyo_read_token(struct tomoyo_acl_param *param);
+char *tomoyo_realpath_from_path(struct path *path);
+char *tomoyo_realpath_nofollow(const char *pathname);
+const char *tomoyo_get_exe(void);
+const char *tomoyo_yesno(const unsigned int value);
+const struct tomoyo_path_info *tomoyo_compare_name_union
+(const struct tomoyo_path_info *name, const struct tomoyo_name_union *ptr);
+const struct tomoyo_path_info *tomoyo_get_name(const char *name);
+const struct tomoyo_path_info *tomoyo_path_matches_group
+(const struct tomoyo_path_info *pathname, const struct tomoyo_group *group);
+int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
+ struct path *path, const int flag);
+int tomoyo_close_control(struct tomoyo_io_buffer *head);
+int tomoyo_find_next_domain(struct linux_binprm *bprm);
+int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile,
+ const u8 index);
int tomoyo_init_request_info(struct tomoyo_request_info *r,
struct tomoyo_domain_info *domain,
const u8 index);
+int tomoyo_mkdev_perm(const u8 operation, struct path *path,
+ const unsigned int mode, unsigned int dev);
int tomoyo_mount_permission(char *dev_name, struct path *path,
const char *type, unsigned long flags,
void *data_page);
+int tomoyo_open_control(const u8 type, struct file *file);
+int tomoyo_path2_perm(const u8 operation, struct path *path1,
+ struct path *path2);
+int tomoyo_path_number_perm(const u8 operation, struct path *path,
+ unsigned long number);
+int tomoyo_path_perm(const u8 operation, struct path *path);
+int tomoyo_path_permission(struct tomoyo_request_info *r, u8 operation,
+ const struct tomoyo_path_info *filename);
+int tomoyo_poll_control(struct file *file, poll_table *wait);
+int tomoyo_poll_log(struct file *file, poll_table *wait);
+int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
+ __printf(2, 3);
+int tomoyo_update_domain(struct tomoyo_acl_info *new_entry, const int size,
+ struct tomoyo_acl_param *param,
+ bool (*check_duplicate)
+ (const struct tomoyo_acl_info *,
+ const struct tomoyo_acl_info *),
+ bool (*merge_duplicate)
+ (struct tomoyo_acl_info *, struct tomoyo_acl_info *,
+ const bool));
+int tomoyo_update_policy(struct tomoyo_acl_head *new_entry, const int size,
+ struct tomoyo_acl_param *param,
+ bool (*check_duplicate)
+ (const struct tomoyo_acl_head *,
+ const struct tomoyo_acl_head *));
int tomoyo_write_aggregator(struct tomoyo_acl_param *param);
-int tomoyo_write_transition_control(struct tomoyo_acl_param *param,
- const u8 type);
int tomoyo_write_file(struct tomoyo_acl_param *param);
int tomoyo_write_group(struct tomoyo_acl_param *param, const u8 type);
-int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
- __attribute__ ((format(printf, 2, 3)));
-struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
+int tomoyo_write_transition_control(struct tomoyo_acl_param *param,
+ const u8 type);
+ssize_t tomoyo_read_control(struct tomoyo_io_buffer *head, char __user *buffer,
+ const int buffer_len);
+ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
+ const char __user *buffer, const int buffer_len);
+struct tomoyo_condition *tomoyo_get_condition(struct tomoyo_acl_param *param);
struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
- const u8 profile);
-struct tomoyo_profile *tomoyo_profile(const u8 profile);
+ const bool transit);
+struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
struct tomoyo_group *tomoyo_get_group(struct tomoyo_acl_param *param,
const u8 idx);
+struct tomoyo_policy_namespace *tomoyo_assign_namespace
+(const char *domainname);
+struct tomoyo_profile *tomoyo_profile(const struct tomoyo_policy_namespace *ns,
+ const u8 profile);
unsigned int tomoyo_check_flags(const struct tomoyo_domain_info *domain,
const u8 index);
-void tomoyo_fill_path_info(struct tomoyo_path_info *ptr);
-void tomoyo_load_policy(const char *filename);
-void tomoyo_put_number_union(struct tomoyo_number_union *ptr);
-char *tomoyo_encode(const char *str);
-char *tomoyo_realpath_nofollow(const char *pathname);
-char *tomoyo_realpath_from_path(struct path *path);
-bool tomoyo_memory_ok(void *ptr);
+u8 tomoyo_parse_ulong(unsigned long *result, char **str);
void *tomoyo_commit_ok(void *data, const unsigned int size);
-const struct tomoyo_path_info *tomoyo_get_name(const char *name);
-void tomoyo_read_memory_counter(struct tomoyo_io_buffer *head);
-int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head);
+void __init tomoyo_load_builtin_policy(void);
void __init tomoyo_mm_init(void);
-int tomoyo_path_permission(struct tomoyo_request_info *r, u8 operation,
- 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_mkdev_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_find_next_domain(struct linux_binprm *bprm);
-void tomoyo_print_ulong(char *buffer, const int buffer_len,
- const unsigned long value, const u8 type);
-void tomoyo_put_name_union(struct tomoyo_name_union *ptr);
-void tomoyo_run_gc(void);
-void tomoyo_memory_free(void *ptr);
-int tomoyo_update_domain(struct tomoyo_acl_info *new_entry, const int size,
- struct tomoyo_acl_param *param,
- bool (*check_duplicate) (const struct tomoyo_acl_info
- *,
- const struct tomoyo_acl_info
- *),
- bool (*merge_duplicate) (struct tomoyo_acl_info *,
- struct tomoyo_acl_info *,
- const bool));
-int tomoyo_update_policy(struct tomoyo_acl_head *new_entry, const int size,
- struct tomoyo_acl_param *param,
- bool (*check_duplicate) (const struct tomoyo_acl_head
- *,
- const struct tomoyo_acl_head
- *));
void tomoyo_check_acl(struct tomoyo_request_info *r,
bool (*check_entry) (struct tomoyo_request_info *,
const struct tomoyo_acl_info *));
-char *tomoyo_read_token(struct tomoyo_acl_param *param);
-bool tomoyo_permstr(const char *string, const char *keyword);
-
-const char *tomoyo_yesno(const unsigned int value);
+void tomoyo_check_profile(void);
+void tomoyo_convert_time(time_t time, struct tomoyo_time *stamp);
+void tomoyo_del_condition(struct list_head *element);
+void tomoyo_fill_path_info(struct tomoyo_path_info *ptr);
+void tomoyo_get_attributes(struct tomoyo_obj_info *obj);
+void tomoyo_init_policy_namespace(struct tomoyo_policy_namespace *ns);
+void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
+ __printf(2, 3);
+void tomoyo_load_policy(const char *filename);
+void tomoyo_memory_free(void *ptr);
+void tomoyo_normalize_line(unsigned char *buffer);
+void tomoyo_notify_gc(struct tomoyo_io_buffer *head, const bool is_register);
+void tomoyo_print_ulong(char *buffer, const int buffer_len,
+ const unsigned long value, const u8 type);
+void tomoyo_put_name_union(struct tomoyo_name_union *ptr);
+void tomoyo_put_number_union(struct tomoyo_number_union *ptr);
+void tomoyo_read_log(struct tomoyo_io_buffer *head);
+void tomoyo_update_stat(const u8 index);
+void tomoyo_warn_oom(const char *function);
+void tomoyo_write_log(struct tomoyo_request_info *r, const char *fmt, ...)
+ __printf(2, 3);
void tomoyo_write_log2(struct tomoyo_request_info *r, int len, const char *fmt,
va_list args);
-void tomoyo_read_log(struct tomoyo_io_buffer *head);
-int tomoyo_poll_log(struct file *file, poll_table *wait);
-char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
- va_list args);
/********** External variable definitions. **********/
-/* Lock for GC. */
-extern struct srcu_struct tomoyo_ss;
-
-/* The list for "struct tomoyo_domain_info". */
+extern bool tomoyo_policy_loaded;
+extern const char * const tomoyo_condition_keyword
+[TOMOYO_MAX_CONDITION_KEYWORD];
+extern const char * const tomoyo_dif[TOMOYO_MAX_DOMAIN_INFO_FLAGS];
+extern const char * const tomoyo_mac_keywords[TOMOYO_MAX_MAC_INDEX
+ + TOMOYO_MAX_MAC_CATEGORY_INDEX];
+extern const char * const tomoyo_mode[TOMOYO_CONFIG_MAX_MODE];
+extern const char * const tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION];
+extern const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX];
+extern const u8 tomoyo_pn2mac[TOMOYO_MAX_PATH_NUMBER_OPERATION];
+extern const u8 tomoyo_pnnn2mac[TOMOYO_MAX_MKDEV_OPERATION];
+extern const u8 tomoyo_pp2mac[TOMOYO_MAX_PATH2_OPERATION];
+extern struct list_head tomoyo_condition_list;
extern struct list_head tomoyo_domain_list;
-
-extern struct list_head tomoyo_policy_list[TOMOYO_MAX_POLICY];
-extern struct list_head tomoyo_group_list[TOMOYO_MAX_GROUP];
extern struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
-
-/* Lock for protecting policy. */
+extern struct list_head tomoyo_namespace_list;
extern struct mutex tomoyo_policy_lock;
-
-/* Has /sbin/init started? */
-extern bool tomoyo_policy_loaded;
-
-extern struct list_head tomoyo_acl_group[TOMOYO_MAX_ACL_GROUPS];
-
-/* The kernel's domain. */
+extern struct srcu_struct tomoyo_ss;
extern struct tomoyo_domain_info tomoyo_kernel_domain;
-
-extern const char *tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION];
-extern const char *tomoyo_mkdev_keyword[TOMOYO_MAX_MKDEV_OPERATION];
-extern const char *tomoyo_path2_keyword[TOMOYO_MAX_PATH2_OPERATION];
-extern const char *tomoyo_path_number_keyword[TOMOYO_MAX_PATH_NUMBER_OPERATION];
-
-extern const u8 tomoyo_pnnn2mac[TOMOYO_MAX_MKDEV_OPERATION];
-extern const u8 tomoyo_pp2mac[TOMOYO_MAX_PATH2_OPERATION];
-extern const u8 tomoyo_pn2mac[TOMOYO_MAX_PATH_NUMBER_OPERATION];
-
-extern const char * const tomoyo_mode[TOMOYO_CONFIG_MAX_MODE];
+extern struct tomoyo_policy_namespace tomoyo_kernel_namespace;
extern unsigned int tomoyo_memory_quota[TOMOYO_MAX_MEMORY_STAT];
extern unsigned int tomoyo_memory_used[TOMOYO_MAX_MEMORY_STAT];
srcu_read_unlock(&tomoyo_ss, idx);
}
+/**
+ * tomoyo_sys_getppid - Copy of getppid().
+ *
+ * Returns parent process's PID.
+ *
+ * Alpha does not have getppid() defined. To be able to build this module on
+ * Alpha, I have to copy getppid() from kernel/timer.c.
+ */
+static inline pid_t tomoyo_sys_getppid(void)
+{
+ pid_t pid;
+ rcu_read_lock();
+ pid = task_tgid_vnr(current->real_parent);
+ rcu_read_unlock();
+ return pid;
+}
+
+/**
+ * tomoyo_sys_getpid - Copy of getpid().
+ *
+ * Returns current thread's PID.
+ *
+ * Alpha does not have getpid() defined. To be able to build this module on
+ * Alpha, I have to copy getpid() from kernel/timer.c.
+ */
+static inline pid_t tomoyo_sys_getpid(void)
+{
+ return task_tgid_vnr(current);
+}
+
/**
* tomoyo_pathcmp - strcmp() for "struct tomoyo_path_info" structure.
*
}
}
+/**
+ * tomoyo_put_condition - Drop reference on "struct tomoyo_condition".
+ *
+ * @cond: Pointer to "struct tomoyo_condition". Maybe NULL.
+ *
+ * Returns nothing.
+ */
+static inline void tomoyo_put_condition(struct tomoyo_condition *cond)
+{
+ if (cond)
+ atomic_dec(&cond->head.users);
+}
+
/**
* tomoyo_put_group - Drop reference on "struct tomoyo_group".
*
a->value_type[1] == b->value_type[1];
}
+/**
+ * tomoyo_current_namespace - Get "struct tomoyo_policy_namespace" for current thread.
+ *
+ * Returns pointer to "struct tomoyo_policy_namespace" for current thread.
+ */
+static inline struct tomoyo_policy_namespace *tomoyo_current_namespace(void)
+{
+ return tomoyo_domain()->ns;
+}
+
#if defined(CONFIG_SLOB)
/**