xref: /freebsd/crypto/heimdal/appl/rsh/rsh_locl.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1997 - 2003 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /* $Id: rsh_locl.h,v 1.33 2003/04/16 20:05:39 lha Exp $ */
35 
36 #ifdef HAVE_CONFIG_H
37 #include <config.h>
38 #endif
39 
40 #include <stdio.h>
41 #include <assert.h>
42 #include <stdarg.h>
43 #include <ctype.h>
44 #ifdef HAVE_SYS_TYPES_H
45 #include <sys/types.h>
46 #endif
47 #ifdef HAVE_UNISTD_H
48 #include <unistd.h>
49 #endif
50 #ifdef HAVE_SYS_WAIT_H
51 #include <sys/wait.h>
52 #endif
53 #ifdef HAVE_SYS_SELECT_H
54 #include <sys/select.h>
55 #endif
56 #ifdef HAVE_SYS_SOCKET_H
57 #include <sys/socket.h>
58 #endif
59 #ifdef HAVE_NETINET_IN_H
60 #include <netinet/in.h>
61 #endif
62 #ifdef HAVE_NETINET_IN6_H
63 #include <netinet/in6.h>
64 #endif
65 #ifdef HAVE_NETINET6_IN6_H
66 #include <netinet6/in6.h>
67 #endif
68 #ifdef HAVE_ARPA_INET_H
69 #include <arpa/inet.h>
70 #endif
71 
72 #ifdef HAVE_PWD_H
73 #include <pwd.h>
74 #endif
75 #ifdef HAVE_SHADOW_H
76 #include <shadow.h>
77 #endif
78 #ifdef HAVE_NETDB_H
79 #include <netdb.h>
80 #endif
81 #ifdef HAVE_LIMITS_H
82 #include <limits.h>
83 #endif
84 #include <errno.h>
85 
86 #ifdef HAVE_SYS_PARAM_H
87 #include <sys/param.h>
88 #endif
89 
90 #ifdef HAVE_SYSLOG_H
91 #include <syslog.h>
92 #endif
93 #ifdef HAVE_PATHS_H
94 #include <paths.h>
95 #endif
96 #include <err.h>
97 #include <roken.h>
98 #include <getarg.h>
99 #ifdef KRB4
100 #include <krb.h>
101 #include <prot.h>
102 #endif
103 #ifdef KRB5
104 #include <krb5.h>
105 #include <krb5-private.h> /* for _krb5_{get,put}_int */
106 #endif
107 #include <kafs.h>
108 
109 #ifndef _PATH_NOLOGIN
110 #define _PATH_NOLOGIN   "/etc/nologin"
111 #endif
112 
113 #ifndef _PATH_BSHELL
114 #define _PATH_BSHELL	"/bin/sh"
115 #endif
116 
117 #ifndef _PATH_DEFPATH
118 #define _PATH_DEFPATH	"/usr/bin:/bin"
119 #endif
120 
121 #ifndef _PATH_ETC_ENVIRONMENT
122 #define _PATH_ETC_ENVIRONMENT SYSCONFDIR "/environment"
123 #endif
124 
125 /*
126  *
127  */
128 
129 enum auth_method { AUTH_KRB4, AUTH_KRB5, AUTH_BROKEN };
130 
131 extern enum auth_method auth_method;
132 extern int do_encrypt;
133 #ifdef KRB5
134 extern krb5_context context;
135 extern krb5_keyblock *keyblock;
136 extern krb5_crypto crypto;
137 extern int key_usage;
138 extern void *ivec_in[2];
139 extern void *ivec_out[2];
140 void init_ivecs(int);
141 #endif
142 #ifdef KRB4
143 extern des_key_schedule schedule;
144 extern des_cblock iv;
145 #endif
146 
147 #define KCMD_OLD_VERSION "KCMDV0.1"
148 #define KCMD_NEW_VERSION "KCMDV0.2"
149 
150 #define USERNAME_SZ 16
151 #ifndef ARG_MAX
152 #define ARG_MAX 8192
153 #endif
154 
155 #define RSH_BUFSIZ (5 * 1024) /* MIT kcmd can't handle larger buffers */
156 
157 #define PATH_RSH BINDIR "/rsh"
158 
159 #if defined(KRB4) || defined(KRB5)
160 ssize_t do_read (int, void*, size_t, void*);
161 ssize_t do_write (int, void*, size_t, void*);
162 #else
163 #define do_write(F, B, L, I) write((F), (B), (L))
164 #define do_read(F, B, L, I) read((F), (B), (L))
165 #endif
166