TOMOYO: Support longer pathname.
Allow pathnames longer than 4000 bytes.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 6270a53..f4a8aa24 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -33,14 +33,7 @@
#define TOMOYO_HASH_BITS 8
#define TOMOYO_MAX_HASH (1u<<TOMOYO_HASH_BITS)
-/*
- * This is the max length of a token.
- *
- * A token consists of only ASCII printable characters.
- * Non printable characters in a token is represented in \ooo style
- * octal string. Thus, \ itself is represented as \\.
- */
-#define TOMOYO_MAX_PATHNAME_LEN 4000
+#define TOMOYO_EXEC_TMPSIZE 4096
/* Profile number is an integer between 0 and 255. */
#define TOMOYO_MAX_PROFILES 256
@@ -168,17 +161,6 @@
/********** Structure definitions. **********/
/*
- * tomoyo_page_buffer is a structure which is used for holding a pathname
- * obtained from "struct dentry" and "struct vfsmount" pair.
- * As of now, it is 4096 bytes. If users complain that 4096 bytes is too small
- * (because TOMOYO escapes non ASCII printable characters using \ooo format),
- * we will make the buffer larger.
- */
-struct tomoyo_page_buffer {
- char buffer[4096];
-};
-
-/*
* tomoyo_request_info is a structure which is used for holding
*
* (1) Domain information of current process.
@@ -231,28 +213,6 @@
struct tomoyo_path_info entry;
};
-/*
- * tomoyo_path_info_with_data is a structure which is used for holding a
- * pathname obtained from "struct dentry" and "struct vfsmount" pair.
- *
- * "struct tomoyo_path_info_with_data" consists of "struct tomoyo_path_info"
- * and buffer for the pathname, while "struct tomoyo_page_buffer" consists of
- * buffer for the pathname only.
- *
- * "struct tomoyo_path_info_with_data" is intended to allow TOMOYO to release
- * both "struct tomoyo_path_info" and buffer for the pathname by single kfree()
- * so that we don't need to return two pointers to the caller. If the caller
- * puts "struct tomoyo_path_info" on stack memory, we will be able to remove
- * "struct tomoyo_path_info_with_data".
- */
-struct tomoyo_path_info_with_data {
- /* Keep "head" first, for this pointer is passed to kfree(). */
- struct tomoyo_path_info head;
- char barrier1[16]; /* Safeguard for overrun. */
- char body[TOMOYO_MAX_PATHNAME_LEN];
- char barrier2[16]; /* Safeguard for overrun. */
-};
-
struct tomoyo_name_union {
const struct tomoyo_path_info *filename;
struct tomoyo_path_group *group;
@@ -827,11 +787,7 @@
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);
-
-/* Returns realpath(3) of the given pathname but ignores chroot'ed root. */
-int tomoyo_realpath_from_path2(struct path *path, char *newname,
- int newname_len);
+char *tomoyo_encode(const char *str);
/*
* Returns realpath(3) of the given pathname but ignores chroot'ed root.