summaryrefslogtreecommitdiffstats
path: root/include/rpc/auth_kerb.h
blob: f0145bd4789dc5b4a0a0628ae419921121186171 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*	$FreeBSD$ */
/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 * 
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 * 
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 * 
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 * 
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 * 
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */
/*
 * auth_kerb.h, Protocol for Kerberos style authentication for RPC
 *
 * Copyright (C) 1986, Sun Microsystems, Inc.
 */

#ifndef	_RPC_AUTH_KERB_H
#define	_RPC_AUTH_KERB_H

#ifdef KERBEROS

#pragma ident	"@(#)auth_kerb.h	1.10	94/04/25 SMI"

#include <kerberos/krb.h>
#include <sys/socket.h>
#include <sys/t_kuser.h>
#include <netinet/in.h>
#include <rpc/svc.h>

/*
 * There are two kinds of "names": fullnames and nicknames
 */
enum authkerb_namekind {
	AKN_FULLNAME,
	AKN_NICKNAME
};
/*
 * A fullname contains the ticket and the window
 */
struct authkerb_fullname {
	KTEXT_ST ticket;
	u_long window;		/* associated window */
};

/*
 *  cooked credential stored in rq_clntcred
 */
struct authkerb_clnt_cred {
	/* start of AUTH_DAT */
	unsigned char k_flags;	/* Flags from ticket */
	char    pname[ANAME_SZ]; /* Principal's name */
	char    pinst[INST_SZ];	/* His Instance */
	char    prealm[REALM_SZ]; /* His Realm */
	unsigned long checksum;	/* Data checksum (opt) */
	C_Block session;	/* Session Key */
	int	life;		/* Life of ticket */
	unsigned long time_sec;	/* Time ticket issued */
	unsigned long address;	/* Address in ticket */
	/* KTEXT_ST reply;	Auth reply (opt) */
	/* end of AUTH_DAT */
	unsigned long expiry;	/* time the ticket is expiring */
	u_long nickname;	/* Nickname into cache */
	u_long window;		/* associated window */
};

typedef struct authkerb_clnt_cred authkerb_clnt_cred;

/*
 * A credential
 */
struct authkerb_cred {
	enum authkerb_namekind akc_namekind;
	struct authkerb_fullname akc_fullname;
	u_long akc_nickname;
};

/*
 * A kerb authentication verifier
 */
struct authkerb_verf {
	union {
		struct timeval akv_ctime;	/* clear time */
		des_block akv_xtime;		/* crypt time */
	} akv_time_u;
	u_long akv_int_u;
};

/*
 * des authentication verifier: client variety
 *
 * akv_timestamp is the current time.
 * akv_winverf is the credential window + 1.
 * Both are encrypted using the conversation key.
 */
#ifndef akv_timestamp
#define	akv_timestamp	akv_time_u.akv_ctime
#define	akv_xtimestamp	akv_time_u.akv_xtime
#define	akv_winverf	akv_int_u
#endif
/*
 * des authentication verifier: server variety
 *
 * akv_timeverf is the client's timestamp + client's window
 * akv_nickname is the server's nickname for the client.
 * akv_timeverf is encrypted using the conversation key.
 */
#ifndef akv_timeverf
#define	akv_timeverf	akv_time_u.akv_ctime
#define	akv_xtimeverf	akv_time_u.akv_xtime
#define	akv_nickname	akv_int_u
#endif

/*
 * Register the service name, instance and realm.
 */
extern int	authkerb_create(char *, char *, char *, u_int,
			struct netbuf *, int *, dev_t, int, AUTH **);
extern bool_t	xdr_authkerb_cred(XDR *, struct authkerb_cred *);
extern bool_t	xdr_authkerb_verf(XDR *, struct authkerb_verf *);
extern int	svc_kerb_reg(SVCXPRT *, char *, char *, char *);
extern enum auth_stat _svcauth_kerb(struct svc_req *, struct rpc_msg *);

#endif KERBEROS
#endif	/* !_RPC_AUTH_KERB_H */
OpenPOWER on IntegriCloud