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/*
* Key server protocol definition
* Copyright (c) 2010, Oracle America, Inc.
*
* 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.
* * Neither the name of the "Oracle America, Inc." nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*
* The keyserver is a public key storage/encryption/decryption service
* The encryption method used is based on the Diffie-Hellman exponential
* key exchange technology.
*
* The key server is local to each machine, akin to the portmapper.
* Under TI-RPC, communication with the keyserver is through the
* loopback transport.
*
* NOTE: This .x file generates the USER level headers for the keyserver.
* the KERNEL level headers are created by hand as they kernel has special
* requirements.
*/
%#if 0
%#pragma ident "@(#)key_prot.x 1.7 94/04/29 SMI"
%#endif
%
%/* Copyright (c) 1990, 1991 Sun Microsystems, Inc. */
%
%/*
% * Compiled from key_prot.x using rpcgen.
% * DO NOT EDIT THIS FILE!
% * This is NOT source code!
% */
/*
* PROOT and MODULUS define the way the Diffie-Hellman key is generated.
*
* MODULUS should be chosen as a prime of the form: MODULUS == 2*p + 1,
* where p is also prime.
*
* PROOT satisfies the following two conditions:
* (1) (PROOT ** 2) % MODULUS != 1
* (2) (PROOT ** p) % MODULUS != 1
*
*/
const PROOT = 3;
const HEXMODULUS = "d4a0ba0250b6fd2ec626e7efd637df76c716e22d0944b88b";
const HEXKEYBYTES = 48; /* HEXKEYBYTES == strlen(HEXMODULUS) */
const KEYSIZE = 192; /* KEYSIZE == bit length of key */
const KEYBYTES = 24; /* byte length of key */
/*
* The first 16 hex digits of the encrypted secret key are used as
* a checksum in the database.
*/
const KEYCHECKSUMSIZE = 16;
/*
* status of operation
*/
enum keystatus {
KEY_SUCCESS, /* no problems */
KEY_NOSECRET, /* no secret key stored */
KEY_UNKNOWN, /* unknown netname */
KEY_SYSTEMERR /* system error (out of memory, encryption failure) */
};
typedef opaque keybuf[HEXKEYBYTES]; /* store key in hex */
typedef string netnamestr<MAXNETNAMELEN>;
/*
* Argument to ENCRYPT or DECRYPT
*/
struct cryptkeyarg {
netnamestr remotename;
des_block deskey;
};
/*
* Argument to ENCRYPT_PK or DECRYPT_PK
*/
struct cryptkeyarg2 {
netnamestr remotename;
netobj remotekey; /* Contains a length up to 1024 bytes */
des_block deskey;
};
/*
* Result of ENCRYPT, DECRYPT, ENCRYPT_PK, and DECRYPT_PK
*/
union cryptkeyres switch (keystatus status) {
case KEY_SUCCESS:
des_block deskey;
default:
void;
};
const MAXGIDS = 16; /* max number of gids in gid list */
/*
* Unix credential
*/
struct unixcred {
u_int uid;
u_int gid;
u_int gids<MAXGIDS>;
};
/*
* Result returned from GETCRED
*/
union getcredres switch (keystatus status) {
case KEY_SUCCESS:
unixcred cred;
default:
void;
};
/*
* key_netstarg;
*/
struct key_netstarg {
keybuf st_priv_key;
keybuf st_pub_key;
netnamestr st_netname;
};
union key_netstres switch (keystatus status){
case KEY_SUCCESS:
key_netstarg knet;
default:
void;
};
#ifdef RPC_HDR
%
%#ifndef opaque
%#define opaque char
%#endif
%
#endif
program KEY_PROG {
version KEY_VERS {
/*
* This is my secret key.
* Store it for me.
*/
keystatus
KEY_SET(keybuf) = 1;
/*
* I want to talk to X.
* Encrypt a conversation key for me.
*/
cryptkeyres
KEY_ENCRYPT(cryptkeyarg) = 2;
/*
* X just sent me a message.
* Decrypt the conversation key for me.
*/
cryptkeyres
KEY_DECRYPT(cryptkeyarg) = 3;
/*
* Generate a secure conversation key for me
*/
des_block
KEY_GEN(void) = 4;
/*
* Get me the uid, gid and group-access-list associated
* with this netname (for kernel which cannot use NIS)
*/
getcredres
KEY_GETCRED(netnamestr) = 5;
} = 1;
version KEY_VERS2 {
/*
* #######
* Procedures 1-5 are identical to version 1
* #######
*/
/*
* This is my secret key.
* Store it for me.
*/
keystatus
KEY_SET(keybuf) = 1;
/*
* I want to talk to X.
* Encrypt a conversation key for me.
*/
cryptkeyres
KEY_ENCRYPT(cryptkeyarg) = 2;
/*
* X just sent me a message.
* Decrypt the conversation key for me.
*/
cryptkeyres
KEY_DECRYPT(cryptkeyarg) = 3;
/*
* Generate a secure conversation key for me
*/
des_block
KEY_GEN(void) = 4;
/*
* Get me the uid, gid and group-access-list associated
* with this netname (for kernel which cannot use NIS)
*/
getcredres
KEY_GETCRED(netnamestr) = 5;
/*
* I want to talk to X. and I know X's public key
* Encrypt a conversation key for me.
*/
cryptkeyres
KEY_ENCRYPT_PK(cryptkeyarg2) = 6;
/*
* X just sent me a message. and I know X's public key
* Decrypt the conversation key for me.
*/
cryptkeyres
KEY_DECRYPT_PK(cryptkeyarg2) = 7;
/*
* Store my public key, netname and private key.
*/
keystatus
KEY_NET_PUT(key_netstarg) = 8;
/*
* Retrieve my public key, netname and private key.
*/
key_netstres
KEY_NET_GET(void) = 9;
/*
* Return me the conversation key that is constructed
* from my secret key and this publickey.
*/
cryptkeyres
KEY_GET_CONV(keybuf) = 10;
} = 2;
} = 100029;