mirror of
https://github.com/Fishwaldo/Star64_linux.git
synced 2025-05-29 02:27:21 +00:00
0ae4061223
To pick the changes from:78a1b96bcf("fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS ioctl")23c688b540("fscrypt: allow unprivileged users to add/remove keys for v2 policies")5dae460c22("fscrypt: v2 encryption policy support")5a7e29924d("fscrypt: add FS_IOC_GET_ENCRYPTION_KEY_STATUS ioctl")b1c0ec3599("fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY ioctl")22d94f493b("fscrypt: add FS_IOC_ADD_ENCRYPTION_KEY ioctl")3b6df59bc4("fscrypt: use FSCRYPT_* definitions, not FS_*")2336d0deb2("fscrypt: use FSCRYPT_ prefix for uapi constants")7af0ab0d3a("fs, fscrypt: move uapi definitions to new header <linux/fscrypt.h>") That don't trigger any changes in tooling, as it so far is used only for: $ grep -l 'fs\.h' tools/perf/trace/beauty/*.sh | xargs grep regex= tools/perf/trace/beauty/rename_flags.sh:regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+RENAME_([[:alnum:]_]+)[[:space:]]+\(1[[:space:]]*<<[[:space:]]*([[:xdigit:]]+)[[:space:]]*\)[[:space:]]*.*' tools/perf/trace/beauty/sync_file_range.sh:regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+SYNC_FILE_RANGE_([[:alnum:]_]+)[[:space:]]+([[:xdigit:]]+)[[:space:]]*.*' tools/perf/trace/beauty/usbdevfs_ioctl.sh:regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)(\(\w+\))?[[:space:]]+_IO[CWR]{0,2}\([[:space:]]*(_IOC_\w+,[[:space:]]*)?'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*" tools/perf/trace/beauty/usbdevfs_ioctl.sh:regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*" $ This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h' diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-44g48exl9br9ba0t64chqb4i@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
181 lines
6 KiB
C
181 lines
6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
/*
|
|
* fscrypt user API
|
|
*
|
|
* These ioctls can be used on filesystems that support fscrypt. See the
|
|
* "User API" section of Documentation/filesystems/fscrypt.rst.
|
|
*/
|
|
#ifndef _UAPI_LINUX_FSCRYPT_H
|
|
#define _UAPI_LINUX_FSCRYPT_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/* Encryption policy flags */
|
|
#define FSCRYPT_POLICY_FLAGS_PAD_4 0x00
|
|
#define FSCRYPT_POLICY_FLAGS_PAD_8 0x01
|
|
#define FSCRYPT_POLICY_FLAGS_PAD_16 0x02
|
|
#define FSCRYPT_POLICY_FLAGS_PAD_32 0x03
|
|
#define FSCRYPT_POLICY_FLAGS_PAD_MASK 0x03
|
|
#define FSCRYPT_POLICY_FLAG_DIRECT_KEY 0x04
|
|
#define FSCRYPT_POLICY_FLAGS_VALID 0x07
|
|
|
|
/* Encryption algorithms */
|
|
#define FSCRYPT_MODE_AES_256_XTS 1
|
|
#define FSCRYPT_MODE_AES_256_CTS 4
|
|
#define FSCRYPT_MODE_AES_128_CBC 5
|
|
#define FSCRYPT_MODE_AES_128_CTS 6
|
|
#define FSCRYPT_MODE_ADIANTUM 9
|
|
#define __FSCRYPT_MODE_MAX 9
|
|
|
|
/*
|
|
* Legacy policy version; ad-hoc KDF and no key verification.
|
|
* For new encrypted directories, use fscrypt_policy_v2 instead.
|
|
*
|
|
* Careful: the .version field for this is actually 0, not 1.
|
|
*/
|
|
#define FSCRYPT_POLICY_V1 0
|
|
#define FSCRYPT_KEY_DESCRIPTOR_SIZE 8
|
|
struct fscrypt_policy_v1 {
|
|
__u8 version;
|
|
__u8 contents_encryption_mode;
|
|
__u8 filenames_encryption_mode;
|
|
__u8 flags;
|
|
__u8 master_key_descriptor[FSCRYPT_KEY_DESCRIPTOR_SIZE];
|
|
};
|
|
#define fscrypt_policy fscrypt_policy_v1
|
|
|
|
/*
|
|
* Process-subscribed "logon" key description prefix and payload format.
|
|
* Deprecated; prefer FS_IOC_ADD_ENCRYPTION_KEY instead.
|
|
*/
|
|
#define FSCRYPT_KEY_DESC_PREFIX "fscrypt:"
|
|
#define FSCRYPT_KEY_DESC_PREFIX_SIZE 8
|
|
#define FSCRYPT_MAX_KEY_SIZE 64
|
|
struct fscrypt_key {
|
|
__u32 mode;
|
|
__u8 raw[FSCRYPT_MAX_KEY_SIZE];
|
|
__u32 size;
|
|
};
|
|
|
|
/*
|
|
* New policy version with HKDF and key verification (recommended).
|
|
*/
|
|
#define FSCRYPT_POLICY_V2 2
|
|
#define FSCRYPT_KEY_IDENTIFIER_SIZE 16
|
|
struct fscrypt_policy_v2 {
|
|
__u8 version;
|
|
__u8 contents_encryption_mode;
|
|
__u8 filenames_encryption_mode;
|
|
__u8 flags;
|
|
__u8 __reserved[4];
|
|
__u8 master_key_identifier[FSCRYPT_KEY_IDENTIFIER_SIZE];
|
|
};
|
|
|
|
/* Struct passed to FS_IOC_GET_ENCRYPTION_POLICY_EX */
|
|
struct fscrypt_get_policy_ex_arg {
|
|
__u64 policy_size; /* input/output */
|
|
union {
|
|
__u8 version;
|
|
struct fscrypt_policy_v1 v1;
|
|
struct fscrypt_policy_v2 v2;
|
|
} policy; /* output */
|
|
};
|
|
|
|
/*
|
|
* v1 policy keys are specified by an arbitrary 8-byte key "descriptor",
|
|
* matching fscrypt_policy_v1::master_key_descriptor.
|
|
*/
|
|
#define FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR 1
|
|
|
|
/*
|
|
* v2 policy keys are specified by a 16-byte key "identifier" which the kernel
|
|
* calculates as a cryptographic hash of the key itself,
|
|
* matching fscrypt_policy_v2::master_key_identifier.
|
|
*/
|
|
#define FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER 2
|
|
|
|
/*
|
|
* Specifies a key, either for v1 or v2 policies. This doesn't contain the
|
|
* actual key itself; this is just the "name" of the key.
|
|
*/
|
|
struct fscrypt_key_specifier {
|
|
__u32 type; /* one of FSCRYPT_KEY_SPEC_TYPE_* */
|
|
__u32 __reserved;
|
|
union {
|
|
__u8 __reserved[32]; /* reserve some extra space */
|
|
__u8 descriptor[FSCRYPT_KEY_DESCRIPTOR_SIZE];
|
|
__u8 identifier[FSCRYPT_KEY_IDENTIFIER_SIZE];
|
|
} u;
|
|
};
|
|
|
|
/* Struct passed to FS_IOC_ADD_ENCRYPTION_KEY */
|
|
struct fscrypt_add_key_arg {
|
|
struct fscrypt_key_specifier key_spec;
|
|
__u32 raw_size;
|
|
__u32 __reserved[9];
|
|
__u8 raw[];
|
|
};
|
|
|
|
/* Struct passed to FS_IOC_REMOVE_ENCRYPTION_KEY */
|
|
struct fscrypt_remove_key_arg {
|
|
struct fscrypt_key_specifier key_spec;
|
|
#define FSCRYPT_KEY_REMOVAL_STATUS_FLAG_FILES_BUSY 0x00000001
|
|
#define FSCRYPT_KEY_REMOVAL_STATUS_FLAG_OTHER_USERS 0x00000002
|
|
__u32 removal_status_flags; /* output */
|
|
__u32 __reserved[5];
|
|
};
|
|
|
|
/* Struct passed to FS_IOC_GET_ENCRYPTION_KEY_STATUS */
|
|
struct fscrypt_get_key_status_arg {
|
|
/* input */
|
|
struct fscrypt_key_specifier key_spec;
|
|
__u32 __reserved[6];
|
|
|
|
/* output */
|
|
#define FSCRYPT_KEY_STATUS_ABSENT 1
|
|
#define FSCRYPT_KEY_STATUS_PRESENT 2
|
|
#define FSCRYPT_KEY_STATUS_INCOMPLETELY_REMOVED 3
|
|
__u32 status;
|
|
#define FSCRYPT_KEY_STATUS_FLAG_ADDED_BY_SELF 0x00000001
|
|
__u32 status_flags;
|
|
__u32 user_count;
|
|
__u32 __out_reserved[13];
|
|
};
|
|
|
|
#define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy)
|
|
#define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16])
|
|
#define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy)
|
|
#define FS_IOC_GET_ENCRYPTION_POLICY_EX _IOWR('f', 22, __u8[9]) /* size + version */
|
|
#define FS_IOC_ADD_ENCRYPTION_KEY _IOWR('f', 23, struct fscrypt_add_key_arg)
|
|
#define FS_IOC_REMOVE_ENCRYPTION_KEY _IOWR('f', 24, struct fscrypt_remove_key_arg)
|
|
#define FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS _IOWR('f', 25, struct fscrypt_remove_key_arg)
|
|
#define FS_IOC_GET_ENCRYPTION_KEY_STATUS _IOWR('f', 26, struct fscrypt_get_key_status_arg)
|
|
|
|
/**********************************************************************/
|
|
|
|
/* old names; don't add anything new here! */
|
|
#ifndef __KERNEL__
|
|
#define FS_KEY_DESCRIPTOR_SIZE FSCRYPT_KEY_DESCRIPTOR_SIZE
|
|
#define FS_POLICY_FLAGS_PAD_4 FSCRYPT_POLICY_FLAGS_PAD_4
|
|
#define FS_POLICY_FLAGS_PAD_8 FSCRYPT_POLICY_FLAGS_PAD_8
|
|
#define FS_POLICY_FLAGS_PAD_16 FSCRYPT_POLICY_FLAGS_PAD_16
|
|
#define FS_POLICY_FLAGS_PAD_32 FSCRYPT_POLICY_FLAGS_PAD_32
|
|
#define FS_POLICY_FLAGS_PAD_MASK FSCRYPT_POLICY_FLAGS_PAD_MASK
|
|
#define FS_POLICY_FLAG_DIRECT_KEY FSCRYPT_POLICY_FLAG_DIRECT_KEY
|
|
#define FS_POLICY_FLAGS_VALID FSCRYPT_POLICY_FLAGS_VALID
|
|
#define FS_ENCRYPTION_MODE_INVALID 0 /* never used */
|
|
#define FS_ENCRYPTION_MODE_AES_256_XTS FSCRYPT_MODE_AES_256_XTS
|
|
#define FS_ENCRYPTION_MODE_AES_256_GCM 2 /* never used */
|
|
#define FS_ENCRYPTION_MODE_AES_256_CBC 3 /* never used */
|
|
#define FS_ENCRYPTION_MODE_AES_256_CTS FSCRYPT_MODE_AES_256_CTS
|
|
#define FS_ENCRYPTION_MODE_AES_128_CBC FSCRYPT_MODE_AES_128_CBC
|
|
#define FS_ENCRYPTION_MODE_AES_128_CTS FSCRYPT_MODE_AES_128_CTS
|
|
#define FS_ENCRYPTION_MODE_SPECK128_256_XTS 7 /* removed */
|
|
#define FS_ENCRYPTION_MODE_SPECK128_256_CTS 8 /* removed */
|
|
#define FS_ENCRYPTION_MODE_ADIANTUM FSCRYPT_MODE_ADIANTUM
|
|
#define FS_KEY_DESC_PREFIX FSCRYPT_KEY_DESC_PREFIX
|
|
#define FS_KEY_DESC_PREFIX_SIZE FSCRYPT_KEY_DESC_PREFIX_SIZE
|
|
#define FS_MAX_KEY_SIZE FSCRYPT_MAX_KEY_SIZE
|
|
#endif /* !__KERNEL__ */
|
|
|
|
#endif /* _UAPI_LINUX_FSCRYPT_H */
|