appl/rsh/rsh_locl.h

   1 /*
   2  * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
   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 /* $Id$ */
  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 /* XXX */
 106 struct krb5_pk_identity;
 107 struct krb5_pk_cert;
 108 struct ContentInfo;
 109 struct _krb5_krb_auth_data;
 110 struct krb5_dh_moduli;
 111 #include <krb5-private.h> /* for _krb5_{get,put}_int */
 112 #endif
 113 #if defined(KRB4) || defined(KRB5)
 114 #include <kafs.h>
 115 #endif
 116
 117 #ifndef _PATH_NOLOGIN
 118 #define _PATH_NOLOGIN   "/etc/nologin"
 119 #endif
 120
 121 #ifndef _PATH_BSHELL
 122 #define _PATH_BSHELL    "/bin/sh"
 123 #endif
 124
 125 #ifndef _PATH_DEFPATH
 126 #define _PATH_DEFPATH   "/usr/bin:/bin"
 127 #endif
 128
 129 #ifndef _PATH_ETC_ENVIRONMENT
 130 #define _PATH_ETC_ENVIRONMENT SYSCONFDIR "/environment"
 131 #endif
 132
 133 /*
 134  *
 135  */
 136
 137 enum auth_method { AUTH_KRB4, AUTH_KRB5, AUTH_BROKEN };
 138
 139 extern enum auth_method auth_method;
 140 extern int do_encrypt;
 141 #ifdef KRB5
 142 extern krb5_context context;
 143 extern krb5_keyblock *keyblock;
 144 extern krb5_crypto crypto;
 145 extern int key_usage;
 146 extern void *ivec_in[2];
 147 extern void *ivec_out[2];
 148 void init_ivecs(int, int);
 149 #endif
 150 #ifdef KRB4
 151 extern des_key_schedule schedule;
 152 extern des_cblock iv;
 153 #endif
 154
 155 #define KCMD_OLD_VERSION "KCMDV0.1"
 156 #define KCMD_NEW_VERSION "KCMDV0.2"
 157
 158 #define USERNAME_SZ 16
 159 #ifndef ARG_MAX
 160 #define ARG_MAX 8192
 161 #endif
 162
 163 #define RSH_BUFSIZ (5 * 1024) /* MIT kcmd can't handle larger buffers */
 164 #define RSHD_BUFSIZ (16 * 1024) /* Old maxize for Heimdal 0.4 rsh */
 165
 166 #define PATH_RSH BINDIR "/rsh"
 167
 168 #if defined(KRB4) || defined(KRB5)
 169 ssize_t do_read (int, void*, size_t, void*);
 170 ssize_t do_write (int, void*, size_t, void*);
 171 #else
 172 #define do_write(F, B, L, I) write((F), (B), (L))
 173 #define do_read(F, B, L, I) read((F), (B), (L))
 174 #endif