TOMOYO_TASK_FSGID, /* current_fsgid() */
TOMOYO_TASK_PID, /* sys_getpid() */
TOMOYO_TASK_PPID, /* sys_getppid() */
+ TOMOYO_EXEC_ARGC, /* "struct linux_binprm *"->argc */
+ TOMOYO_EXEC_ENVC, /* "struct linux_binprm *"->envc */
TOMOYO_TYPE_IS_SOCKET, /* S_IFSOCK */
TOMOYO_TYPE_IS_SYMLINK, /* S_IFLNK */
TOMOYO_TYPE_IS_FILE, /* S_IFREG */
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_PATH2_PARENT_PERM,
TOMOYO_MAX_CONDITION_KEYWORD,
TOMOYO_NUMBER_UNION,
+ TOMOYO_NAME_UNION,
+ TOMOYO_ARGV_ENTRY,
+ TOMOYO_ENVP_ENTRY,
};
* 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 {
dev_t rdev;
};
+/* Structure for dumping argv[] and envp[] of "struct linux_binprm". */
+struct tomoyo_page_dump {
+ struct page *page; /* Previously dumped page. */
+ char *data; /* Contents of "page". Size is PAGE_SIZE. */
+};
+
/* Structure for attribute checks in addition to pathname checks. */
struct tomoyo_obj_info {
/*
* 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 argv[]. */
+struct tomoyo_argv {
+ unsigned long index;
+ const struct tomoyo_path_info *value;
+ bool is_not;
+};
+
+/* Structure for envp[]. */
+struct tomoyo_envp {
+ const struct tomoyo_path_info *name;
+ const struct tomoyo_path_info *value;
+ bool is_not;
+};
+
+/* Structure for execve() operation. */
+struct tomoyo_execve {
+ struct tomoyo_request_info r;
+ struct tomoyo_obj_info obj;
+ struct linux_binprm *bprm;
+ /* For dumping argv[] and envp[]. */
+ struct tomoyo_page_dump dump;
+ /* 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. */
+ /*
+ * Left hand operand. A "struct tomoyo_argv" for TOMOYO_ARGV_ENTRY, a
+ * "struct tomoyo_envp" for TOMOYO_ENVP_ENTRY is attached to the tail
+ * of the array of this struct.
+ */
u8 left;
- /* Right hand operand. */
+ /*
+ * Right hand operand. A "struct tomoyo_number_union" for
+ * TOMOYO_NUMBER_UNION, a "struct tomoyo_name_union" for
+ * TOMOYO_NAME_UNION is attached to the tail of the array of this
+ * struct.
+ */
u8 right;
/* Equation operator. True if equals or overlaps, false otherwise. */
bool equals;
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". */
+ u16 argc; /* Number of "struct tomoyo_argv". */
+ u16 envc; /* Number of "struct tomoyo_envp". */
/*
* struct tomoyo_condition_element condition[condc];
* struct tomoyo_number_union values[numbers_count];
+ * struct tomoyo_name_union names[names_count];
+ * struct tomoyo_argv argv[argc];
+ * struct tomoyo_envp envp[envc];
*/
};
bool tomoyo_correct_word(const char *string);
bool tomoyo_domain_def(const unsigned char *buffer);
bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r);
+bool tomoyo_dump_page(struct linux_binprm *bprm, unsigned long pos,
+ struct tomoyo_page_dump *dump);
bool tomoyo_memory_ok(void *ptr);
bool tomoyo_number_matches_group(const unsigned long min,
const unsigned long max,