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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* include/kcm.h - Kerberos cache manager protocol declarations */
/*
* Copyright (C) 2014 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef KCM_H
#define KCM_H
#define KCM_PROTOCOL_VERSION_MAJOR 2
#define KCM_PROTOCOL_VERSION_MINOR 0
#define KCM_UUID_LEN 16
/* This should ideally be in RUNSTATEDIR, but Heimdal uses a hardcoded
* /var/run, and we need to use the same default path. */
#define DEFAULT_KCM_SOCKET_PATH "/var/run/.heim_org.h5l.kcm-socket"
#define DEFAULT_KCM_MACH_SERVICE "org.h5l.kcm"
/*
* All requests begin with:
* major version (1 bytes)
* minor version (1 bytes)
* opcode (16-bit big-endian)
*
* All replies begin with a 32-bit big-endian reply code.
*
* Parameters are appended to the request or reply with no delimiters. Flags,
* time offsets, and lengths are stored as 32-bit big-endian integers. Names
* are marshalled as zero-terminated strings. Principals and credentials are
* marshalled in the v4 FILE ccache format. UUIDs are 16 bytes. UUID lists
* are not delimited, so nothing can come after them.
*
* Flag words must use Heimdal flag values, which are not the same as MIT krb5
* values for KRB5_GC and KRB5_TC constants. The same flag word may contain
* both kinds of flags in Heimdal, but not in MIT krb5. Defines for the
* applicable Heimdal flag values are given below using KCM_GC and KCM_TC
* prefixes.
*/
#define KCM_GC_CACHED (1U << 0)
#define KCM_TC_DONT_MATCH_REALM (1U << 31)
#define KCM_TC_MATCH_KEYTYPE (1U << 30)
#define KCM_TC_MATCH_SRV_NAMEONLY (1U << 29)
#define KCM_TC_MATCH_FLAGS_EXACT (1U << 28)
#define KCM_TC_MATCH_FLAGS (1U << 27)
#define KCM_TC_MATCH_TIMES_EXACT (1U << 26)
#define KCM_TC_MATCH_TIMES (1U << 25)
#define KCM_TC_MATCH_AUTHDATA (1U << 24)
#define KCM_TC_MATCH_2ND_TKT (1U << 23)
#define KCM_TC_MATCH_IS_SKEY (1U << 22)
/* Opcodes without comments are currently unused in the MIT client
* implementation. */
typedef enum kcm_opcode {
KCM_OP_NOOP,
KCM_OP_GET_NAME,
KCM_OP_RESOLVE,
KCM_OP_GEN_NEW, /* () -> (name) */
KCM_OP_INITIALIZE, /* (name, princ) -> () */
KCM_OP_DESTROY, /* (name) -> () */
KCM_OP_STORE, /* (name, cred) -> () */
KCM_OP_RETRIEVE, /* (name, flags, credtag) -> (cred) */
KCM_OP_GET_PRINCIPAL, /* (name) -> (princ) */
KCM_OP_GET_CRED_UUID_LIST, /* (name) -> (uuid, ...) */
KCM_OP_GET_CRED_BY_UUID, /* (name, uuid) -> (cred) */
KCM_OP_REMOVE_CRED, /* (name, flags, credtag) -> () */
KCM_OP_SET_FLAGS,
KCM_OP_CHOWN,
KCM_OP_CHMOD,
KCM_OP_GET_INITIAL_TICKET,
KCM_OP_GET_TICKET,
KCM_OP_MOVE_CACHE,
KCM_OP_GET_CACHE_UUID_LIST, /* () -> (uuid, ...) */
KCM_OP_GET_CACHE_BY_UUID, /* (uuid) -> (name) */
KCM_OP_GET_DEFAULT_CACHE, /* () -> (name) */
KCM_OP_SET_DEFAULT_CACHE, /* (name) -> () */
KCM_OP_GET_KDC_OFFSET, /* (name) -> (offset) */
KCM_OP_SET_KDC_OFFSET, /* (name, offset) -> () */
KCM_OP_ADD_NTLM_CRED,
KCM_OP_HAVE_NTLM_CRED,
KCM_OP_DEL_NTLM_CRED,
KCM_OP_DO_NTLM_AUTH,
KCM_OP_GET_NTLM_USER_LIST,
/* MIT extensions */
KCM_OP_MIT_EXTENSION_BASE = 13000,
KCM_OP_GET_CRED_LIST, /* (name) -> (count, count*{len, cred}) */
KCM_OP_REPLACE, /* (name, offset, princ,
* count, count*{len, cred}) -> () */
} kcm_opcode;
#endif /* KCM_H */
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