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
|
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
#include "bsd_locl.h"
RCSID("$Id: krcmd.c,v 1.10 1997/03/30 18:20:18 joda Exp $");
#define SERVICE_NAME "rcmd"
/*
* krcmd: simplified version of Athena's "kcmd"
* returns a socket attached to the destination, -1 or krb error on error
* if fd2p is non-NULL, another socket is filled in for it
*/
int
krcmd(char **ahost, u_short rport, char *remuser, char *cmd, int *fd2p, char *realm)
{
int sock = -1, err = 0;
KTEXT_ST ticket;
long authopts = 0L;
err = kcmd(
&sock,
ahost,
rport,
NULL, /* locuser not used */
remuser,
cmd,
fd2p,
&ticket,
SERVICE_NAME,
realm,
(CREDENTIALS *) NULL, /* credentials not used */
0, /* key schedule not used */
(MSG_DAT *) NULL, /* MSG_DAT not used */
(struct sockaddr_in *) NULL, /* local addr not used */
(struct sockaddr_in *) NULL, /* foreign addr not used */
authopts
);
if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
warning("krcmd: %s", krb_get_err_text(err));
return(-1);
}
if (err < 0)
return(-1);
return(sock);
}
int
krcmd_mutual(char **ahost, u_short rport, char *remuser, char *cmd, int *fd2p, char *realm, CREDENTIALS *cred, Key_schedule sched)
{
int sock, err;
KTEXT_ST ticket;
MSG_DAT msg_dat;
struct sockaddr_in laddr, faddr;
long authopts = KOPT_DO_MUTUAL;
err = kcmd(
&sock,
ahost,
rport,
NULL, /* locuser not used */
remuser,
cmd,
fd2p,
&ticket,
SERVICE_NAME,
realm,
cred, /* filled in */
sched, /* filled in */
&msg_dat, /* filled in */
&laddr, /* filled in */
&faddr, /* filled in */
authopts
);
if (err > KSUCCESS && err < MAX_KRB_ERRORS) {
warnx("krcmd_mutual: %s", krb_get_err_text(err));
return(-1);
}
if (err < 0)
return (-1);
return(sock);
}
|