union {
struct {
const struct tomoyo_path_info *filename;
+ /* For using wildcards at tomoyo_find_next_domain(). */
+ const struct tomoyo_path_info *matched_path;
u8 operation;
} path;
struct {
};
/*
- * tomoyo_name_entry is a structure which is used for linking
+ * tomoyo_name is a structure which is used for linking
* "struct tomoyo_path_info" into tomoyo_name_list .
*/
-struct tomoyo_name_entry {
+struct tomoyo_name {
struct list_head list;
atomic_t users;
struct tomoyo_path_info entry;
struct tomoyo_number_union flags;
};
+#define TOMOYO_MAX_IO_READ_QUEUE 32
+
/*
- * tomoyo_io_buffer is a structure which is used for reading and modifying
- * configuration via /sys/kernel/security/tomoyo/ interface.
- * It has many fields. ->read_var1 , ->read_var2 , ->write_var1 are used as
- * cursors.
- *
- * Since the content of /sys/kernel/security/tomoyo/domain_policy is a list of
- * "struct tomoyo_domain_info" entries and each "struct tomoyo_domain_info"
- * entry has a list of "struct tomoyo_acl_info", we need two cursors when
- * reading (one is for traversing tomoyo_domain_list and the other is for
- * traversing "struct tomoyo_acl_info"->acl_info_list ).
- *
- * If a line written to /sys/kernel/security/tomoyo/domain_policy starts with
- * "select ", TOMOYO seeks the cursor ->read_var1 and ->write_var1 to the
- * domain with the domainname specified by the rest of that line (NULL is set
- * if seek failed).
- * If a line written to /sys/kernel/security/tomoyo/domain_policy starts with
- * "delete ", TOMOYO deletes an entry or a domain specified by the rest of that
- * line (->write_var1 is set to NULL if a domain was deleted).
- * If a line written to /sys/kernel/security/tomoyo/domain_policy starts with
- * neither "select " nor "delete ", an entry or a domain specified by that line
- * is appended.
+ * Structure for reading/writing policy via /sys/kernel/security/tomoyo
+ * interfaces.
*/
struct tomoyo_io_buffer {
void (*read) (struct tomoyo_io_buffer *);
struct mutex io_sem;
/* Index returned by tomoyo_read_lock(). */
int reader_idx;
- /* The position currently reading from. */
- struct list_head *read_var1;
- /* Extra variables for reading. */
- struct list_head *read_var2;
+ char __user *read_user_buf;
+ int read_user_buf_avail;
+ struct {
+ struct list_head *domain;
+ struct list_head *group;
+ struct list_head *acl;
+ int avail;
+ int step;
+ int query_index;
+ u16 index;
+ u8 bit;
+ u8 w_pos;
+ bool eof;
+ bool print_this_domain_only;
+ bool print_execute_only;
+ const char *w[TOMOYO_MAX_IO_READ_QUEUE];
+ } r;
/* The position currently writing to. */
struct tomoyo_domain_info *write_var1;
- /* The step for reading. */
- int read_step;
/* Buffer for reading. */
char *read_buf;
- /* EOF flag for reading. */
- bool read_eof;
- /* Read domain ACL of specified PID? */
- bool read_single_domain;
- /* Extra variable for reading. */
- u8 read_bit;
- /* Bytes available for reading. */
- int read_avail;
/* Size of read buffer. */
int readbuf_size;
/* Buffer for writing. */
};
/*
- * tomoyo_globally_readable_file_entry is a structure which is used for holding
+ * tomoyo_readable_file is a structure which is used for holding
* "allow_read" entries.
* It has following fields.
*
* (1) "head" is "struct tomoyo_acl_head".
* (2) "filename" is a pathname which is allowed to open(O_RDONLY).
*/
-struct tomoyo_globally_readable_file_entry {
+struct tomoyo_readable_file {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *filename;
};
/*
- * tomoyo_pattern_entry is a structure which is used for holding
+ * tomoyo_no_pattern is a structure which is used for holding
* "file_pattern" entries.
* It has following fields.
*
* (2) "pattern" is a pathname pattern which is used for converting pathnames
* to pathname patterns during learning mode.
*/
-struct tomoyo_pattern_entry {
+struct tomoyo_no_pattern {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
};
/*
- * tomoyo_no_rewrite_entry is a structure which is used for holding
+ * tomoyo_no_rewrite is a structure which is used for holding
* "deny_rewrite" entries.
* It has following fields.
*
* (2) "pattern" is a pathname which is by default not permitted to modify
* already existing content.
*/
-struct tomoyo_no_rewrite_entry {
+struct tomoyo_no_rewrite {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *pattern;
};
};
/*
- * tomoyo_aggregator_entry is a structure which is used for holding
+ * tomoyo_aggregator is a structure which is used for holding
* "aggregator" entries.
* It has following fields.
*
* (2) "original_name" which is originally requested name.
* (3) "aggregated_name" which is name to rewrite.
*/
-struct tomoyo_aggregator_entry {
+struct tomoyo_aggregator {
struct tomoyo_acl_head head;
const struct tomoyo_path_info *original_name;
const struct tomoyo_path_info *aggregated_name;
};
/*
- * tomoyo_policy_manager_entry is a structure which is used for holding list of
+ * tomoyo_manager is a structure which is used for holding list of
* domainnames or programs which are permitted to modify configuration via
* /sys/kernel/security/tomoyo/ interface.
* It has following fields.
* otherwise.
* (3) "manager" is a domainname or a program's pathname.
*/
-struct tomoyo_policy_manager_entry {
+struct tomoyo_manager {
struct tomoyo_acl_head head;
bool is_domain; /* True if manager is a domainname. */
/* A path to program or a domainname. */
int tomoyo_open_control(const u8 type, struct file *file);
/* Close /sys/kernel/security/tomoyo/ interface. */
int tomoyo_close_control(struct file *file);
+/* Poll operation for /sys/kernel/security/tomoyo/ interface. */
+int tomoyo_poll_control(struct file *file, poll_table *wait);
/* Read operation for /sys/kernel/security/tomoyo/ interface. */
int tomoyo_read_control(struct file *file, char __user *buffer,
const int buffer_len);
/* Print out of memory warning message. */
void tomoyo_warn_oom(const char *function);
/* Check whether the given name matches the given name_union. */
-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);
/* Check whether the given number matches the given number_union. */
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);
-/* Transactional sprintf() for policy dump. */
-bool tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
+void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));
/* Check whether the domainname is correct. */
bool tomoyo_correct_domain(const unsigned char *domainname);
bool tomoyo_parse_name_union(const char *filename,
struct tomoyo_name_union *ptr);
/* Check whether the given filename matches the given path_group. */
-bool tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
- const struct tomoyo_group *group);
+const struct tomoyo_path_info *
+tomoyo_path_matches_group(const struct tomoyo_path_info *pathname,
+ const struct tomoyo_group *group);
/* Check whether the given value matches the given number_group. */
bool tomoyo_number_matches_group(const unsigned long min,
const unsigned long max,
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);
/* Tokenize a line. */
bool tomoyo_tokenize(char *buffer, char *w[], size_t size);
/* Write domain policy violation warning message to console? */
bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain);
-/* Get the last component of the given domainname. */
-const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain);
/* Fill "struct tomoyo_request_info". */
int tomoyo_init_request_info(struct tomoyo_request_info *r,
struct tomoyo_domain_info *domain,
int tomoyo_mount_permission(char *dev_name, struct path *path, char *type,
unsigned long flags, void *data_page);
/* Create "aggregator" entry in exception policy. */
-int tomoyo_write_aggregator_policy(char *data, const bool is_delete);
+int tomoyo_write_aggregator(char *data, const bool is_delete);
int tomoyo_write_transition_control(char *data, const bool is_delete,
const u8 type);
/*
* "allow_truncate", "allow_symlink", "allow_rewrite", "allow_rename" and
* "allow_link" entry in domain policy.
*/
-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);
/* Create "allow_read" entry in exception policy. */
-int tomoyo_write_globally_readable_policy(char *data, const bool is_delete);
+int tomoyo_write_globally_readable(char *data, const bool is_delete);
/* Create "allow_mount" entry in domain policy. */
-int tomoyo_write_mount_policy(char *data, struct tomoyo_domain_info *domain,
- const bool is_delete);
+int tomoyo_write_mount(char *data, struct tomoyo_domain_info *domain,
+ const bool is_delete);
/* Create "deny_rewrite" entry in exception policy. */
-int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete);
+int tomoyo_write_no_rewrite(char *data, const bool is_delete);
/* Create "file_pattern" entry in exception policy. */
-int tomoyo_write_pattern_policy(char *data, const bool is_delete);
+int tomoyo_write_pattern(char *data, const bool is_delete);
/* Create "path_group"/"number_group" entry in exception policy. */
int tomoyo_write_group(char *data, const bool is_delete, const u8 type);
int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
/* 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. */
-struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
- domainname,
- const u8 profile);
+struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
+ const u8 profile);
struct tomoyo_profile *tomoyo_profile(const u8 profile);
/*
* Allocate memory for "struct tomoyo_path_group"/"struct tomoyo_number_group".
*/
char *tomoyo_realpath_from_path(struct path *path);
/* Get patterned pathname. */
-const char *tomoyo_file_pattern(const struct tomoyo_path_info *filename);
+const char *tomoyo_pattern(const struct tomoyo_path_info *filename);
/* Check memory quota. */
bool tomoyo_memory_ok(void *ptr);
const struct tomoyo_acl_head
*));
void tomoyo_check_acl(struct tomoyo_request_info *r,
- bool (*check_entry) (const struct tomoyo_request_info *,
+ bool (*check_entry) (struct tomoyo_request_info *,
const struct tomoyo_acl_info *));
-const char *tomoyo_last_word(const char *name);
/********** External variable definitions. **********/
static inline void tomoyo_put_name(const struct tomoyo_path_info *name)
{
if (name) {
- struct tomoyo_name_entry *ptr =
- container_of(name, struct tomoyo_name_entry, entry);
+ struct tomoyo_name *ptr =
+ container_of(name, typeof(*ptr), entry);
atomic_dec(&ptr->users);
}
}
projects / deliverable / linux.git / blobdiff