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136 lines
5.9 KiB
136 lines
5.9 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* keyctl.h: keyctl command IDs |
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* |
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* Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved. |
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* Written by David Howells ([email protected]) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version |
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* 2 of the License, or (at your option) any later version. |
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*/ |
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#ifndef _LINUX_KEYCTL_H |
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#define _LINUX_KEYCTL_H |
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#include <linux/types.h> |
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/* special process keyring shortcut IDs */ |
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#define KEY_SPEC_THREAD_KEYRING -1 /* - key ID for thread-specific keyring */ |
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#define KEY_SPEC_PROCESS_KEYRING -2 /* - key ID for process-specific keyring */ |
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#define KEY_SPEC_SESSION_KEYRING -3 /* - key ID for session-specific keyring */ |
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#define KEY_SPEC_USER_KEYRING -4 /* - key ID for UID-specific keyring */ |
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#define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */ |
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#define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */ |
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#define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */ |
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#define KEY_SPEC_REQUESTOR_KEYRING -8 /* - key ID for request_key() dest keyring */ |
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/* request-key default keyrings */ |
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#define KEY_REQKEY_DEFL_NO_CHANGE -1 |
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#define KEY_REQKEY_DEFL_DEFAULT 0 |
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#define KEY_REQKEY_DEFL_THREAD_KEYRING 1 |
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#define KEY_REQKEY_DEFL_PROCESS_KEYRING 2 |
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#define KEY_REQKEY_DEFL_SESSION_KEYRING 3 |
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#define KEY_REQKEY_DEFL_USER_KEYRING 4 |
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#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5 |
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#define KEY_REQKEY_DEFL_GROUP_KEYRING 6 |
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#define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7 |
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/* keyctl commands */ |
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#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */ |
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#define KEYCTL_JOIN_SESSION_KEYRING 1 /* join or start named session keyring */ |
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#define KEYCTL_UPDATE 2 /* update a key */ |
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#define KEYCTL_REVOKE 3 /* revoke a key */ |
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#define KEYCTL_CHOWN 4 /* set ownership of a key */ |
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#define KEYCTL_SETPERM 5 /* set perms on a key */ |
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#define KEYCTL_DESCRIBE 6 /* describe a key */ |
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#define KEYCTL_CLEAR 7 /* clear contents of a keyring */ |
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#define KEYCTL_LINK 8 /* link a key into a keyring */ |
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#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */ |
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#define KEYCTL_SEARCH 10 /* search for a key in a keyring */ |
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#define KEYCTL_READ 11 /* read a key or keyring's contents */ |
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#define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */ |
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#define KEYCTL_NEGATE 13 /* negate a partially constructed key */ |
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#define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */ |
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#define KEYCTL_SET_TIMEOUT 15 /* set key timeout */ |
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#define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */ |
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#define KEYCTL_GET_SECURITY 17 /* get key security label */ |
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#define KEYCTL_SESSION_TO_PARENT 18 /* apply session keyring to parent process */ |
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#define KEYCTL_REJECT 19 /* reject a partially constructed key */ |
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#define KEYCTL_INSTANTIATE_IOV 20 /* instantiate a partially constructed key */ |
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#define KEYCTL_INVALIDATE 21 /* invalidate a key */ |
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#define KEYCTL_GET_PERSISTENT 22 /* get a user's persistent keyring */ |
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#define KEYCTL_DH_COMPUTE 23 /* Compute Diffie-Hellman values */ |
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#define KEYCTL_PKEY_QUERY 24 /* Query public key parameters */ |
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#define KEYCTL_PKEY_ENCRYPT 25 /* Encrypt a blob using a public key */ |
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#define KEYCTL_PKEY_DECRYPT 26 /* Decrypt a blob using a public key */ |
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#define KEYCTL_PKEY_SIGN 27 /* Create a public key signature */ |
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#define KEYCTL_PKEY_VERIFY 28 /* Verify a public key signature */ |
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#define KEYCTL_RESTRICT_KEYRING 29 /* Restrict keys allowed to link to a keyring */ |
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#define KEYCTL_MOVE 30 /* Move keys between keyrings */ |
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#define KEYCTL_CAPABILITIES 31 /* Find capabilities of keyrings subsystem */ |
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#define KEYCTL_WATCH_KEY 32 /* Watch a key or ring of keys for changes */ |
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/* keyctl structures */ |
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struct keyctl_dh_params { |
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union { |
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#ifndef __cplusplus |
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__s32 private; |
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#endif |
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__s32 priv; |
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}; |
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__s32 prime; |
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__s32 base; |
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}; |
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struct keyctl_kdf_params { |
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char __user *hashname; |
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char __user *otherinfo; |
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__u32 otherinfolen; |
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__u32 __spare[8]; |
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}; |
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#define KEYCTL_SUPPORTS_ENCRYPT 0x01 |
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#define KEYCTL_SUPPORTS_DECRYPT 0x02 |
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#define KEYCTL_SUPPORTS_SIGN 0x04 |
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#define KEYCTL_SUPPORTS_VERIFY 0x08 |
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struct keyctl_pkey_query { |
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__u32 supported_ops; /* Which ops are supported */ |
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__u32 key_size; /* Size of the key in bits */ |
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__u16 max_data_size; /* Maximum size of raw data to sign in bytes */ |
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__u16 max_sig_size; /* Maximum size of signature in bytes */ |
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__u16 max_enc_size; /* Maximum size of encrypted blob in bytes */ |
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__u16 max_dec_size; /* Maximum size of decrypted blob in bytes */ |
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__u32 __spare[10]; |
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}; |
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struct keyctl_pkey_params { |
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__s32 key_id; /* Serial no. of public key to use */ |
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__u32 in_len; /* Input data size */ |
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union { |
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__u32 out_len; /* Output buffer size (encrypt/decrypt/sign) */ |
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__u32 in2_len; /* 2nd input data size (verify) */ |
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}; |
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__u32 __spare[7]; |
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}; |
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#define KEYCTL_MOVE_EXCL 0x00000001 /* Do not displace from the to-keyring */ |
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/* |
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* Capabilities flags. The capabilities list is an array of 8-bit integers; |
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* each integer can carry up to 8 flags. |
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*/ |
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#define KEYCTL_CAPS0_CAPABILITIES 0x01 /* KEYCTL_CAPABILITIES supported */ |
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#define KEYCTL_CAPS0_PERSISTENT_KEYRINGS 0x02 /* Persistent keyrings enabled */ |
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#define KEYCTL_CAPS0_DIFFIE_HELLMAN 0x04 /* Diffie-Hellman computation enabled */ |
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#define KEYCTL_CAPS0_PUBLIC_KEY 0x08 /* Public key ops enabled */ |
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#define KEYCTL_CAPS0_BIG_KEY 0x10 /* big_key-type enabled */ |
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#define KEYCTL_CAPS0_INVALIDATE 0x20 /* KEYCTL_INVALIDATE supported */ |
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#define KEYCTL_CAPS0_RESTRICT_KEYRING 0x40 /* KEYCTL_RESTRICT_KEYRING supported */ |
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#define KEYCTL_CAPS0_MOVE 0x80 /* KEYCTL_MOVE supported */ |
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#define KEYCTL_CAPS1_NS_KEYRING_NAME 0x01 /* Keyring names are per-user_namespace */ |
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#define KEYCTL_CAPS1_NS_KEY_TAG 0x02 /* Key indexing can include a namespace tag */ |
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#define KEYCTL_CAPS1_NOTIFICATIONS 0x04 /* Keys generate watchable notifications */ |
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#endif /* _LINUX_KEYCTL_H */
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