ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / include

/* keyutils.h: key utility library interface
 *
 * Copyright (C) 2005,2011 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef KEYUTILS_H
#define KEYUTILS_H

#include <sys/types.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

extern const char keyutils_version_string[];
extern const char keyutils_build_string[];

/* key serial number */
typedef int32_t key_serial_t;

/* special process keyring shortcut IDs */
#define KEY_SPEC_THREAD_KEYRING		-1	/* - key ID for thread-specific keyring */
#define KEY_SPEC_PROCESS_KEYRING	-2	/* - key ID for process-specific keyring */
#define KEY_SPEC_SESSION_KEYRING	-3	/* - key ID for session-specific keyring */
#define KEY_SPEC_USER_KEYRING		-4	/* - key ID for UID-specific keyring */
#define KEY_SPEC_USER_SESSION_KEYRING	-5	/* - key ID for UID-session keyring */
#define KEY_SPEC_GROUP_KEYRING		-6	/* - key ID for GID-specific keyring */
#define KEY_SPEC_REQKEY_AUTH_KEY	-7	/* - key ID for assumed request_key auth key */

/* request-key default keyrings */
#define KEY_REQKEY_DEFL_NO_CHANGE		-1
#define KEY_REQKEY_DEFL_DEFAULT			0
#define KEY_REQKEY_DEFL_THREAD_KEYRING		1
#define KEY_REQKEY_DEFL_PROCESS_KEYRING		2
#define KEY_REQKEY_DEFL_SESSION_KEYRING		3
#define KEY_REQKEY_DEFL_USER_KEYRING		4
#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING	5
#define KEY_REQKEY_DEFL_GROUP_KEYRING		6

/* key handle permissions mask */
typedef uint32_t key_perm_t;

#define KEY_POS_VIEW	0x01000000	/* possessor can view a key's attributes */
#define KEY_POS_READ	0x02000000	/* possessor can read key payload / view keyring */
#define KEY_POS_WRITE	0x04000000	/* possessor can update key payload / add link to keyring */
#define KEY_POS_SEARCH	0x08000000	/* possessor can find a key in search / search a keyring */
#define KEY_POS_LINK	0x10000000	/* possessor can create a link to a key/keyring */
#define KEY_POS_SETATTR	0x20000000	/* possessor can set key attributes */
#define KEY_POS_ALL	0x3f000000

#define KEY_USR_VIEW	0x00010000	/* user permissions... */
#define KEY_USR_READ	0x00020000
#define KEY_USR_WRITE	0x00040000
#define KEY_USR_SEARCH	0x00080000
#define KEY_USR_LINK	0x00100000
#define KEY_USR_SETATTR	0x00200000
#define KEY_USR_ALL	0x003f0000

#define KEY_GRP_VIEW	0x00000100	/* group permissions... */
#define KEY_GRP_READ	0x00000200
#define KEY_GRP_WRITE	0x00000400
#define KEY_GRP_SEARCH	0x00000800
#define KEY_GRP_LINK	0x00001000
#define KEY_GRP_SETATTR	0x00002000
#define KEY_GRP_ALL	0x00003f00

#define KEY_OTH_VIEW	0x00000001	/* third party permissions... */
#define KEY_OTH_READ	0x00000002
#define KEY_OTH_WRITE	0x00000004
#define KEY_OTH_SEARCH	0x00000008
#define KEY_OTH_LINK	0x00000010
#define KEY_OTH_SETATTR	0x00000020
#define KEY_OTH_ALL	0x0000003f

/* keyctl commands */
#define KEYCTL_GET_KEYRING_ID		0	/* ask for a keyring's ID */
#define KEYCTL_JOIN_SESSION_KEYRING	1	/* join or start named session keyring */
#define KEYCTL_UPDATE			2	/* update a key */
#define KEYCTL_REVOKE			3	/* revoke a key */
#define KEYCTL_CHOWN			4	/* set ownership of a key */
#define KEYCTL_SETPERM			5	/* set perms on a key */
#define KEYCTL_DESCRIBE			6	/* describe a key */
#define KEYCTL_CLEAR			7	/* clear contents of a keyring */
#define KEYCTL_LINK			8	/* link a key into a keyring */
#define KEYCTL_UNLINK			9	/* unlink a key from a keyring */
#define KEYCTL_SEARCH			10	/* search for a key in a keyring */
#define KEYCTL_READ			11	/* read a key or keyring's contents */
#define KEYCTL_INSTANTIATE		12	/* instantiate a partially constructed key */
#define KEYCTL_NEGATE			13	/* negate a partially constructed key */
#define KEYCTL_SET_REQKEY_KEYRING	14	/* set default request-key keyring */
#define KEYCTL_SET_TIMEOUT		15	/* set timeout on a key */
#define KEYCTL_ASSUME_AUTHORITY		16	/* assume authority to instantiate key */
#define KEYCTL_GET_SECURITY		17	/* get key security label */
#define KEYCTL_SESSION_TO_PARENT	18	/* set my session keyring on my parent process */
#define KEYCTL_REJECT			19	/* reject a partially constructed key */
#define KEYCTL_INSTANTIATE_IOV		20	/* instantiate a partially constructed key */
#define KEYCTL_INVALIDATE		21	/* invalidate a key */
#define KEYCTL_GET_PERSISTENT		22	/* get a user's persistent keyring */
#define KEYCTL_DH_COMPUTE		23	/* Compute Diffie-Hellman values */
#define KEYCTL_PKEY_QUERY		24	/* Query public key parameters */
#define KEYCTL_PKEY_ENCRYPT		25	/* Encrypt a blob using a public key */
#define KEYCTL_PKEY_DECRYPT		26	/* Decrypt a blob using a public key */
#define KEYCTL_PKEY_SIGN		27	/* Create a public key signature */
#define KEYCTL_PKEY_VERIFY		28	/* Verify a public key signature */
#define KEYCTL_RESTRICT_KEYRING		29	/* Restrict keys allowed to link to a keyring */
#define KEYCTL_MOVE			30	/* Move keys between keyrings */
#define KEYCTL_CAPABILITIES		31	/* Find capabilities of keyrings subsystem */
#define KEYCTL_WATCH_KEY		32	/* Watch a key or ring of keys for changes */

/* keyctl structures */
struct keyctl_dh_params {
	key_serial_t priv;
	key_serial_t prime;
	key_serial_t base;
};

struct keyctl_kdf_params {
	char *hashname;
	char *otherinfo;
	uint32_t otherinfolen;
	uint32_t __spare[8];
};

#define KEYCTL_SUPPORTS_ENCRYPT		0x01
#define KEYCTL_SUPPORTS_DECRYPT		0x02
#define KEYCTL_SUPPORTS_SIGN		0x04
#define KEYCTL_SUPPORTS_VERIFY		0x08

struct keyctl_pkey_query {
	unsigned int	supported_ops;	/* Which ops are supported */
	unsigned int	key_size;	/* Size of the key in bits */
	unsigned short	max_data_size;	/* Maximum size of raw data to sign in bytes */
	unsigned short	max_sig_size;	/* Maximum size of signature in bytes */
	unsigned short	max_enc_size;	/* Maximum size of encrypted blob in bytes */
	unsigned short	max_dec_size;	/* Maximum size of decrypted blob in bytes */
	unsigned int	__spare[10];
};

struct keyctl_pkey_params {
	key_serial_t	key_id;		/* Serial no. of public key to use */
	unsigned int	in_len;		/* Input data size */
	union {
		unsigned int	out_len; /* Output buffer size (encrypt/decrypt/sign) */
		unsigned int	in2_len; /* Second input data size (verify) */
	};
	unsigned int	__spare[7];
};

#define KEYCTL_MOVE_EXCL	0x00000001 /* Do not displace from the to-keyring */

/*
 * Capabilities flags.  The capabilities list is an array of 8-bit integers;
 * each integer can carry up to 8 flags.
 */
#define KEYCTL_CAPS0_CAPABILITIES	0x01 /* KEYCTL_CAPABILITIES supported */
#define KEYCTL_CAPS0_PERSISTENT_KEYRINGS 0x02 /* Persistent keyrings enabled */
#define KEYCTL_CAPS0_DIFFIE_HELLMAN	0x04 /* Diffie-Hellman ops enabled */
#define KEYCTL_CAPS0_PUBLIC_KEY		0x08 /* Public key ops enabled */
#define KEYCTL_CAPS0_BIG_KEY		0x10 /* big_key-type enabled */
#define KEYCTL_CAPS0_INVALIDATE		0x20 /* KEYCTL_INVALIDATE supported */
#define KEYCTL_CAPS0_RESTRICT_KEYRING	0x40 /* KEYCTL_RESTRICT_KEYRING supported */
#define KEYCTL_CAPS0_MOVE		0x80 /* KEYCTL_MOVE supported */
#define KEYCTL_CAPS1_NS_KEYRING_NAME	0x01 /* Keyring names are per-user_namespace */
#define KEYCTL_CAPS1_NS_KEY_TAG		0x02 /* Key indexing can include a namespace tag */
#define KEYCTL_CAPS1_NOTIFICATIONS	0x04 /* Keys generate watchable notifications */

/*
 * syscall wrappers
 */
extern key_serial_t add_key(const char *type,
			    const char *description,
			    const void *payload,
			    size_t plen,
			    key_serial_t ringid);

extern key_serial_t request_key(const char *type,
				const char *description,
				const char *callout_info,
				key_serial_t destringid);

extern long keyctl(int cmd, ...);

/*
 * keyctl function wrappers
 */
extern key_serial_t keyctl_get_keyring_ID(key_serial_t id, int create);
extern key_serial_t keyctl_join_session_keyring(const char *name);
extern long keyctl_update(key_serial_t id, const void *payload, size_t plen);
extern long keyctl_revoke(key_serial_t id);
extern long keyctl_chown(key_serial_t id, uid_t uid, gid_t gid);
extern long keyctl_setperm(key_serial_t id, key_perm_t perm);
extern long keyctl_describe(key_serial_t id, char *buffer, size_t buflen);
extern long keyctl_clear(key_serial_t ringid);
extern long keyctl_link(key_serial_t id, key_serial_t ringid);
extern long keyctl_unlink(key_serial_t id, key_serial_t ringid);
extern long keyctl_search(key_serial_t ringid,
			  const char *type,
			  const char *description,
			  key_serial_t destringid);
extern long keyctl_read(key_serial_t id, char *buffer, size_t buflen);
extern long keyctl_instantiate(key_serial_t id,
			       const void *payload,
			       size_t plen,
			       key_serial_t ringid);
extern long keyctl_negate(key_serial_t id, unsigned timeout, key_serial_t ringid);
extern long keyctl_set_reqkey_keyring(int reqkey_defl);
extern long keyctl_set_timeout(key_serial_t key, unsigned timeout);
extern long keyctl_assume_authority(key_serial_t key);
extern long keyctl_get_security(key_serial_t key, char *buffer, size_t buflen);
extern long keyctl_session_to_parent(void);
extern long keyctl_reject(key_serial_t id, unsigned timeout, unsigned error,
			  key_serial_t ringid);
struct iovec;
extern long keyctl_instantiate_iov(key_serial_t id,
				   const struct iovec *payload_iov,
				   unsigned ioc,
				   key_serial_t ringid);
extern long keyctl_invalidate(key_serial_t id);
extern long keyctl_get_persistent(uid_t uid, key_serial_t id);
extern long keyctl_dh_compute(key_serial_t priv, key_serial_t prime,
			      key_serial_t base, char *buffer, size_t buflen);
extern long keyctl_dh_compute_kdf(key_serial_t priv, key_serial_t prime,
				  key_serial_t base, char *hashname,
				  char *otherinfo, size_t otherinfolen,
				  char *buffer, size_t buflen);
extern long keyctl_restrict_keyring(key_serial_t keyring, const char *type,
				    const char *restriction);

extern long keyctl_pkey_query(key_serial_t key_id,
			      const char *info,
			      struct keyctl_pkey_query *result);
extern long keyctl_pkey_encrypt(key_serial_t key_id,
				const char *info,
				const void *data, size_t data_len,
				void *enc, size_t enc_len);
extern long keyctl_pkey_decrypt(key_serial_t key_id,
				const char *info,
				const void *enc, size_t enc_len,
				void *data, size_t data_len);
extern long keyctl_pkey_sign(key_serial_t key_id,
			     const char *info,
			     const void *data, size_t data_len,
			     void *sig, size_t sig_len);
extern long keyctl_pkey_verify(key_serial_t key_id,
			       const char *info,
			       const void *data, size_t data_len,
			       const void *sig, size_t sig_len);
extern long keyctl_move(key_serial_t id,
			key_serial_t from_ringid,
			key_serial_t to_ringid,
			unsigned int flags);
extern long keyctl_capabilities(unsigned char *buffer, size_t buflen);
extern long keyctl_watch_key(key_serial_t id, int watch_queue_fd, int watch_id);

/*
 * utilities
 */
extern int keyctl_describe_alloc(key_serial_t id, char **_buffer);
extern int keyctl_read_alloc(key_serial_t id, void **_buffer);
extern int keyctl_get_security_alloc(key_serial_t id, char **_buffer);
extern int keyctl_dh_compute_alloc(key_serial_t priv, key_serial_t prime,
				   key_serial_t base, void **_buffer);

typedef int (*recursive_key_scanner_t)(key_serial_t parent, key_serial_t key,
				       char *desc, int desc_len, void *data);
extern int recursive_key_scan(key_serial_t key, recursive_key_scanner_t func, void *data);
extern int recursive_session_key_scan(recursive_key_scanner_t func, void *data);
extern key_serial_t find_key_by_type_and_desc(const char *type, const char *desc,
					      key_serial_t destringid);

#ifdef __cplusplus
}
#endif

#endif /* KEYUTILS_H */

[+] ..
[-] iconv.h [edit]
[-] evrpc.h [edit]
[+] gnu
[-] expat_config.h [edit]
[-] ctype.h [edit]
[-] limits.h [edit]
[-] tar.h [edit]
[-] evdns.h [edit]
[-] mcheck.h [edit]
[+] libxslt
[-] utmp.h [edit]
[-] printf.h [edit]
[-] term.h [edit]
[+] gssrpc
[-] time.h [edit]
[-] nl_types.h [edit]
[-] gdfontl.h [edit]
[+] netipx
[+] asm-generic
[-] termios.h [edit]
[-] gd.h [edit]
[-] pcre2.h [edit]
[+] fontconfig
[-] gpg-error.h [edit]
[-] ftw.h [edit]
[+] c++
[-] maxminddb_config-64.h [edit]
[-] features-time64.h [edit]
[-] cpuidle.h [edit]
[-] event.h [edit]
[-] gnu-versions.h [edit]
[+] asm
[-] png.h [edit]
[-] krb5.h [edit]
[-] pcre_scanner.h [edit]
[-] fts.h [edit]
[-] threads.h [edit]
[+] gssapi
[-] jpeglib.h [edit]
[-] utmpx.h [edit]
[+] sound
[-] complex.h [edit]
[-] err.h [edit]
[-] strings.h [edit]
[-] pcrecpparg.h [edit]
[-] spawn.h [edit]
[+] finclude
[-] panel.h [edit]
[-] fmtmsg.h [edit]
[+] xcb
[+] brotli
[-] tiffio.hxx [edit]
[-] verto-module.h [edit]
[-] idna.h [edit]
[-] jconfig.h [edit]
[-] tld.h [edit]
[+] rpc
[+] netinet
[-] maxminddb.h [edit]
[+] drm
[-] thread_db.h [edit]
[+] neteconet
[-] autosprintf.h [edit]
[+] google
[-] dlfcn.h [edit]
[-] ncurses_dll.h [edit]
[-] tiff.h [edit]
[+] ext2fs
[-] monetary.h [edit]
[-] gdfontt.h [edit]
[-] wait.h [edit]
[-] keyutils.h [edit]
[+] sepol
[-] sgtty.h [edit]
[-] jerror.h [edit]
[-] form.h [edit]
[-] assert.h [edit]
[-] tic.h [edit]
[-] mntent.h [edit]
[-] cursesm.h [edit]
[-] stdio.h [edit]
[-] error.h [edit]
[-] execinfo.h [edit]
[-] ieee754.h [edit]
[-] menu.h [edit]
[-] cursesp.h [edit]
[+] libmount
[-] ltdl.h [edit]
[-] cursesw.h [edit]
[-] jpegint.h [edit]
[-] entities.h [edit]
[+] rdma
[-] lzma.h [edit]
[-] zlib.h [edit]
[-] pwd.h [edit]
[+] nfs
[+] python3.9
[-] nc_tparm.h [edit]
[-] gdfontg.h [edit]
[-] gconv.h [edit]
[-] termcap.h [edit]
[-] etip.h [edit]
[+] libltdl
[+] et
[+] protobuf-c
[+] bits
[+] net
[-] ttyent.h [edit]
[-] inttypes.h [edit]
[-] nss.h [edit]
[-] semaphore.h [edit]
[-] kdb.h [edit]
[+] arpa
[-] alloca.h [edit]
[-] ucontext.h [edit]
[-] tgmath.h [edit]
[-] tiffvers.h [edit]
[-] fenv.h [edit]
[-] gdfonts.h [edit]
[-] string.h [edit]
[-] ffitarget.h [edit]
[-] lmdb.h [edit]
[-] fpu_control.h [edit]
[+] unicode
[-] byteswap.h [edit]
[-] setjmp.h [edit]
[+] sys
[-] pr29.h [edit]
[-] zconf.h [edit]
[-] stdint.h [edit]
[-] errno.h [edit]
[-] mqueue.h [edit]
[-] evutil.h [edit]
[+] harfbuzz
[-] ffi-x86_64.h [edit]
[-] grp.h [edit]
[-] gdfontmb.h [edit]
[-] stdc-predef.h [edit]
[-] malloc.h [edit]
[-] tiffconf.h [edit]
[-] pnglibconf.h [edit]
[-] tiffconf-64.h [edit]
[-] resolv.h [edit]
[-] FlexLexer.h [edit]
[-] punycode.h [edit]
[+] blkid
[-] glob.h [edit]
[-] unctrl.h [edit]
[-] regex.h [edit]
[+] xen
[-] signal.h [edit]
[+] netrose
[+] openssl
[-] ifaddrs.h [edit]
[-] unistd.h [edit]
[-] gssapi.h [edit]
[+] misc
[-] ffi.h [edit]
[+] kadm5
[+] freetype2
[+] video
[-] tiffio.h [edit]
[-] wchar.h [edit]
[-] elf.h [edit]
[-] ncurses.h [edit]
[-] proc_service.h [edit]
[-] uchar.h [edit]
[-] gdbm.h [edit]
[-] langinfo.h [edit]
[-] pcre.h [edit]
[+] webp
[-] values.h [edit]
[+] libexslt
[-] jconfig-64.h [edit]
[-] netdb.h [edit]
[-] cpio.h [edit]
[-] libaio.h [edit]
[-] powercap.h [edit]
[-] dbm.h [edit]
[-] pngconf.h [edit]
[+] netpacket
[-] cursslk.h [edit]
[-] link.h [edit]
[+] security
[-] lastlog.h [edit]
[-] wordexp.h [edit]
[-] gd_io.h [edit]
[+] X11
[-] verto.h [edit]
[-] curses.h [edit]
[-] wctype.h [edit]
[+] netax25
[-] libintl.h [edit]
[-] gettext-po.h [edit]
[+] netrom
[-] stringprep.h [edit]
[-] argp.h [edit]
[+] lzma
[-] ulimit.h [edit]
[+] fwctl
[-] gnumake.h [edit]
[-] krad.h [edit]
[-] pcre_stringpiece.h [edit]
[-] expat_external.h [edit]
[-] shadow.h [edit]
[-] expat.h [edit]
[+] pcp
[-] ar.h [edit]
[-] endian.h [edit]
[+] gdbm
[-] fstab.h [edit]
[-] envz.h [edit]
[-] pty.h [edit]
[-] eti.h [edit]
[-] paths.h [edit]
[-] argz.h [edit]
[-] math.h [edit]
[-] getopt.h [edit]
[-] gpgrt.h [edit]
[+] ncurses
[-] gdcache.h [edit]
[-] fstrm.h [edit]
[-] obstack.h [edit]
[-] maxminddb_config.h [edit]
[+] fstrm
[-] term_entry.h [edit]
[-] sched.h [edit]
[-] memory.h [edit]
[-] gd_color_map.h [edit]
[-] gdfx.h [edit]
[+] mysql
[+] json-c
[+] graphite2
[-] locale.h [edit]
[+] libxml2
[+] e2p
[-] com_err.h [edit]
[-] pcre2posix.h [edit]
[+] scsi
[+] ncursesw
[+] krb5
[-] gd_errors.h [edit]
[+] event2
[-] search.h [edit]
[-] re_comp.h [edit]
[-] fnmatch.h [edit]
[+] libpng16
[-] ndbm.h [edit]
[-] syslog.h [edit]
[-] sysexits.h [edit]
[+] netash
[-] cursesf.h [edit]
[-] pthread.h [edit]
[+] linux
[-] pcrecpp.h [edit]
[-] fcntl.h [edit]
[-] syscall.h [edit]
[-] libgen.h [edit]
[-] ffitarget-x86_64.h [edit]
[-] features.h [edit]
[-] a.out.h [edit]
[+] glib-2.0
[-] evhttp.h [edit]
[+] gio-unix-2.0
[-] idn-free.h [edit]
[-] gshadow.h [edit]
[-] stdlib.h [edit]
[-] dirent.h [edit]
[-] pcreposix.h [edit]
[-] crypt.h [edit]
[+] selinux
[-] regexp.h [edit]
[-] aliases.h [edit]
[-] stdio_ext.h [edit]
[+] netatalk
[-] utime.h [edit]
[-] termio.h [edit]
[-] poll.h [edit]
[+] GL
[+] sysprof-4
[-] aio.h [edit]
[-] gdpp.h [edit]
[+] mtd
[-] stab.h [edit]
[-] idn-int.h [edit]
[-] cursesapp.h [edit]
[-] profile.h [edit]
[-] jmorecfg.h [edit]
[+] bind9
[+] protocols
[+] netiucv
[-] bzlib.h [edit]