49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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#ifndef _UAPI_LINUX_FSCRYPT_H
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#define _UAPI_LINUX_FSCRYPT_H
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// Definitions for FS_IOC_ADD_ENCRYPTION_KEY and FS_IOC_REMOVE_ENCRYPTION_KEY
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// TODO: switch to <linux/fscrypt.h> once it's in Bionic
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#ifndef FS_IOC_ADD_ENCRYPTION_KEY
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#include <linux/types.h>
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#define FSCRYPT_KEY_DESCRIPTOR_SIZE 8
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#define FSCRYPT_KEY_IDENTIFIER_SIZE 16
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#define FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR 1
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#define FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER 2
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struct fscrypt_key_specifier {
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__u32 type;
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__u32 __reserved;
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union {
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__u8 __reserved[32];
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__u8 descriptor[FSCRYPT_KEY_DESCRIPTOR_SIZE];
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__u8 identifier[FSCRYPT_KEY_IDENTIFIER_SIZE];
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} u;
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};
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struct fscrypt_add_key_arg {
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struct fscrypt_key_specifier key_spec;
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__u32 raw_size;
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__u32 __reserved[9];
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__u8 raw[];
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};
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struct fscrypt_remove_key_arg {
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struct fscrypt_key_specifier key_spec;
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#define FSCRYPT_KEY_REMOVAL_STATUS_FLAG_FILES_BUSY 0x00000001
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#define FSCRYPT_KEY_REMOVAL_STATUS_FLAG_OTHER_USERS 0x00000002
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__u32 removal_status_flags;
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__u32 __reserved[5];
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};
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#define FS_IOC_ADD_ENCRYPTION_KEY _IOWR('f', 23, struct fscrypt_add_key_arg)
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#define FS_IOC_REMOVE_ENCRYPTION_KEY _IOWR('f', 24, struct fscrypt_remove_key_arg)
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#endif /* FS_IOC_ADD_ENCRYPTION_KEY */
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#endif /* _UAPI_LINUX_FSCRYPT_H */
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