appl/rsh/rsh_locl.h

   1 /*
   2  * Copyright (c) 1997, 1999 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 #include <errno.h>
  82
  83 #ifdef HAVE_SYS_PARAM_H
  84 #include <sys/param.h>
  85 #endif
  86
  87 #ifdef HAVE_SYSLOG_H
  88 #include <syslog.h>
  89 #endif
  90 #ifdef HAVE_PATHS_H
  91 #include <paths.h>
  92 #endif
  93 #include <err.h>
  94 #include <roken.h>
  95 #include <getarg.h>
  96 #ifdef KRB4
  97 #include <krb.h>
  98 #include <prot.h>
  99 #endif
 100 #include <krb5.h>
 101 #include <kafs.h>
 102
 103 #ifndef _PATH_NOLOGIN
 104 #define _PATH_NOLOGIN   "/etc/nologin"
 105 #endif
 106
 107 #ifndef _PATH_BSHELL
 108 #define _PATH_BSHELL    "/bin/sh"
 109 #endif
 110
 111 #ifndef _PATH_DEFPATH
 112 #define _PATH_DEFPATH   "/usr/bin:/bin"
 113 #endif
 114
 115 /*
 116  *
 117  */
 118
 119 enum auth_method { AUTH_KRB4, AUTH_KRB5, AUTH_BROKEN };
 120
 121 extern enum auth_method auth_method;
 122 extern int do_encrypt;
 123 extern krb5_context context;
 124 extern krb5_keyblock *keyblock;
 125 extern krb5_crypto crypto;
 126 extern des_key_schedule schedule;
 127 extern des_cblock iv;
 128
 129 #define KCMD_VERSION "KCMDV0.1"
 130
 131 #define USERNAME_SZ 16
 132 #define COMMAND_SZ 1024
 133
 134 #define RSH_BUFSIZ (16 * 1024)
 135
 136 #define PATH_RSH BINDIR "/rsh"
 137
 138 ssize_t do_read (int fd, void *buf, size_t sz);
 139 ssize_t do_write (int fd, void *buf, size_t sz);