crypto/dist/heimdal/appl/telnet/telnetd/telnetd.h

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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  *      @(#)telnetd.h   8.1 (Berkeley) 6/4/93
  34  */
  35
  36
  37 #include <config.h>
  38
  39 #include <stdio.h>
  40 #include <stdarg.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #ifdef HAVE_SYS_TYPES_H
  45 #include <sys/types.h>
  46 #endif
  47 #ifdef HAVE_SYS_PARAM_H
  48 #include <sys/param.h>
  49 #endif
  50
  51 #ifdef HAVE_SYS_SOCKET_H
  52 #include <sys/socket.h>
  53 #endif
  54 #ifdef TIME_WITH_SYS_TIME
  55 #include <sys/time.h>
  56 #include <time.h>
  57 #elif defined(HAVE_SYS_TIME_H)
  58 #include <sys/time.h>
  59 #else
  60 #include <time.h>
  61 #endif
  62
  63 #ifdef HAVE_SYS_RESOURCE_H
  64 #include <sys/resource.h>
  65 #endif /* HAVE_SYS_RESOURCE_H */
  66
  67 #ifdef HAVE_SYS_WAIT_H
  68 #include <sys/wait.h>
  69 #endif
  70
  71 #ifdef HAVE_FCNTL_H
  72 #include <fcntl.h>
  73 #endif
  74 #ifdef HAVE_SYS_FILE_H
  75 #include <sys/file.h>
  76 #endif
  77 #ifdef HAVE_SYS_STAT_H
  78 #include <sys/stat.h>
  79 #endif
  80
  81 /* including both <sys/ioctl.h> and <termios.h> in SunOS 4 generates a
  82    lot of warnings */
  83
  84 #if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
  85 #include <sys/ioctl.h>
  86 #endif
  87 #ifdef HAVE_SYS_FILIO_H
  88 #include <sys/filio.h>
  89 #endif
  90
  91 #ifdef HAVE_NETINET_IN_H
  92 #include <netinet/in.h>
  93 #endif
  94 #ifdef HAVE_NETINET_IN6_H
  95 #include <netinet/in6.h>
  96 #endif
  97 #ifdef HAVE_NETINET6_IN6_H
  98 #include <netinet6/in6.h>
  99 #endif
 100
 101 #ifdef HAVE_ARPA_INET_H
 102 #include <arpa/inet.h>
 103 #endif
 104
 105 #include <signal.h>
 106 #include <errno.h>
 107 #ifdef HAVE_NETDB_H
 108 #include <netdb.h>
 109 #endif
 110 #ifdef HAVE_SYSLOG_H
 111 #include <syslog.h>
 112 #endif
 113 #include <ctype.h>
 114
 115 #ifdef HAVE_UNISTD_H
 116 #include <unistd.h>
 117 #endif
 118
 119 #include <termios.h>
 120
 121 #ifdef HAVE_PTY_H
 122 #include <pty.h>
 123 #endif
 124
 125 #ifdef  STREAMSPTY
 126 #ifdef HAVE_SAC_H
 127 #include <sac.h>
 128 #endif
 129 #ifdef HAVE_SYS_STROPTS_H
 130 #include <sys/stropts.h>
 131 #endif
 132
 133 # include <stropts.h>
 134
 135 #ifdef  HAVE_SYS_UIO_H
 136 #include <sys/uio.h>
 137 #ifdef __hpux
 138 #undef SE
 139 #endif
 140 #endif
 141 #ifdef  HAVE_SYS_STREAM_H
 142 #include <sys/stream.h>
 143 #endif
 144
 145 #endif /* STREAMSPTY */
 146
 147 #undef NOERROR
 148
 149 #include "defs.h"
 150
 151 #ifndef _POSIX_VDISABLE
 152 # ifdef VDISABLE
 153 #  define _POSIX_VDISABLE VDISABLE
 154 # else
 155 #  define _POSIX_VDISABLE ((unsigned char)'\377')
 156 # endif
 157 #endif
 158
 159
 160 #ifdef HAVE_SYS_PTY_H
 161 #include <sys/pty.h>
 162 #endif
 163 #ifdef HAVE_SYS_SELECT_H
 164 #include <sys/select.h>
 165 #endif
 166
 167 #ifdef HAVE_SYS_PTYIO_H
 168 #include <sys/ptyio.h>
 169 #endif
 170
 171 #ifdef HAVE_SYS_UTSNAME_H
 172 #include <sys/utsname.h>
 173 #endif
 174
 175 #ifdef HAVE_PATHS_H
 176 #include <paths.h>
 177 #endif
 178
 179 #ifdef HAVE_ARPA_TELNET_H
 180 #include <arpa/telnet.h>
 181 #endif
 182
 183 #include "ext.h"
 184
 185 #ifdef SOCKS
 186 #include <socks.h>
 187 /* This doesn't belong here. */
 188 struct tm *localtime(const time_t *);
 189 struct hostent  *gethostbyname(const char *);
 190 #endif
 191
 192 #ifdef KRB4
 193 #include <krb.h>
 194 #endif
 195
 196 #ifdef AUTHENTICATION
 197 #include <libtelnet/auth.h>
 198 #include <libtelnet/misc.h>
 199 #ifdef ENCRYPTION
 200 #include <libtelnet/encrypt.h>
 201 #endif
 202 #endif
 203
 204 #ifdef HAVE_LIBUTIL_H
 205 #include <libutil.h>
 206 #endif
 207
 208 #include <roken.h>
 209
 210 /* Don't use the system login, use our version instead */
 211
 212 /* BINDIR should be defined somewhere else... */
 213
 214 #ifndef BINDIR
 215 #define BINDIR "/usr/athena/bin"
 216 #endif
 217
 218 #undef _PATH_LOGIN
 219 #define _PATH_LOGIN     BINDIR "/login"
 220
 221 /* fallbacks */
 222
 223 #ifndef _PATH_DEV
 224 #define _PATH_DEV "/dev/"
 225 #endif
 226
 227 #ifndef _PATH_TTY
 228 #define _PATH_TTY "/dev/tty"
 229 #endif /* _PATH_TTY */
 230
 231 #ifdef  DIAGNOSTICS
 232 #define DIAG(a,b)       if (diagnostic & (a)) b
 233 #else
 234 #define DIAG(a,b)
 235 #endif
 236
 237 /* other external variables */
 238 extern  char **environ;
 239
 240 /* prototypes */
 241
 242 /* appends data to nfrontp and advances */
 243 int output_data (const char *format, ...)
 244 #ifdef __GNUC__
 245 __attribute__ ((format (printf, 1, 2)))
 246 #endif
 247 ;
 248
 249 #ifdef ENCRYPTION
 250 extern int require_encryption;
 251 #endif