rsh_locl.h revision 102644
1/* 2 * Copyright (c) 1997 - 2000, 2002 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 1.27 2002/08/12 15:09:16 joda 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#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#ifdef KRB5 101#include <krb5.h> 102#endif 103#ifdef KRB4 104#include <kafs.h> 105#endif 106 107#ifndef _PATH_NOLOGIN 108#define _PATH_NOLOGIN "/etc/nologin" 109#endif 110 111#ifndef _PATH_BSHELL 112#define _PATH_BSHELL "/bin/sh" 113#endif 114 115#ifndef _PATH_DEFPATH 116#define _PATH_DEFPATH "/usr/bin:/bin" 117#endif 118 119#ifndef _PATH_ETC_ENVIRONMENT 120#define _PATH_ETC_ENVIRONMENT SYSCONFDIR "/environment" 121#endif 122 123/* 124 * 125 */ 126 127enum auth_method { AUTH_KRB4, AUTH_KRB5, AUTH_BROKEN }; 128 129extern enum auth_method auth_method; 130extern int do_encrypt; 131#ifdef KRB5 132extern krb5_context context; 133extern krb5_keyblock *keyblock; 134extern krb5_crypto crypto; 135#endif 136#ifdef KRB4 137extern des_key_schedule schedule; 138extern des_cblock iv; 139#endif 140 141#define KCMD_VERSION "KCMDV0.1" 142 143#define USERNAME_SZ 16 144#define COMMAND_SZ 1024 145 146#define RSH_BUFSIZ (16 * 1024) 147 148#define PATH_RSH BINDIR "/rsh" 149 150#if defined(KRB4) || defined(KRB5) 151ssize_t do_read (int fd, void *buf, size_t sz); 152ssize_t do_write (int fd, void *buf, size_t sz); 153#else 154#define do_write(F, B, L) write((F), (B), (L)) 155#define do_read(F, B, L) read((F), (B), (L)) 156#endif 157