defs.h revision 1.2
1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * 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 * from: @(#)defs.h 5.10 (Berkeley) 3/1/91 34 * $Id: defs.h,v 1.2 1993/08/01 18:29:25 mycroft Exp $ 35 */ 36 37 /* 38 * Telnet server defines 39 */ 40 #include <sys/types.h> 41 #include <sys/param.h> 42 43 #ifndef BSD 44 # define BSD 43 45 #endif 46 47 #if defined(CRAY) && !defined(LINEMODE) 48 # define SYSV_TERMIO 49 # define LINEMODE 50 # define KLUDGELINEMODE 51 # define DIAGNOSTICS 52 # if defined(UNICOS50) && !defined(UNICOS5) 53 # define UNICOS5 54 # endif 55 # if !defined(UNICOS5) 56 # define BFTPDAEMON 57 # define HAS_IP_TOS 58 # endif 59 #endif /* CRAY */ 60 #if defined(UNICOS5) && !defined(NO_SETSID) 61 # define NO_SETSID 62 #endif 63 64 #if defined(PRINTOPTIONS) && defined(DIAGNOSTICS) 65 #define TELOPTS 66 #define TELCMDS 67 #define SLC_NAMES 68 #endif 69 70 #if defined(SYSV_TERMIO) && !defined(USE_TERMIO) 71 # define USE_TERMIO 72 #endif 73 74 #include <sys/socket.h> 75 #ifndef CRAY 76 #include <sys/wait.h> 77 #endif /* CRAY */ 78 #include <fcntl.h> 79 #include <sys/file.h> 80 #include <sys/stat.h> 81 #include <sys/time.h> 82 #ifndef FILIO_H 83 #include <sys/ioctl.h> 84 #else 85 #include <sys/filio.h> 86 #endif 87 88 #include <netinet/in.h> 89 90 #include <arpa/telnet.h> 91 92 #include <stdio.h> 93 #ifdef __STDC__ 94 #include <stdlib.h> 95 #endif 96 #include <signal.h> 97 #include <errno.h> 98 #include <netdb.h> 99 #include <syslog.h> 100 #ifndef LOG_DAEMON 101 #define LOG_DAEMON 0 102 #endif 103 #ifndef LOG_ODELAY 104 #define LOG_ODELAY 0 105 #endif 106 #include <ctype.h> 107 #ifndef NO_STRING_H 108 #include <string.h> 109 #else 110 #include <strings.h> 111 #endif 112 113 #ifndef USE_TERMIO 114 #include <sgtty.h> 115 #else 116 # ifdef SYSV_TERMIO 117 # include <termio.h> 118 # else 119 # include <termios.h> 120 # endif 121 #endif 122 #if !defined(USE_TERMIO) || defined(NO_CC_T) 123 typedef unsigned char cc_t; 124 #endif 125 126 #ifdef __STDC__ 127 #include <unistd.h> 128 #endif 129 130 #ifndef _POSIX_VDISABLE 131 # ifdef VDISABLE 132 # define _POSIX_VDISABLE VDISABLE 133 # else 134 # define _POSIX_VDISABLE ((unsigned char)'\377') 135 # endif 136 #endif 137 138 139 #ifdef CRAY 140 # ifdef CRAY1 141 # include <sys/pty.h> 142 # ifndef FD_ZERO 143 # include <sys/select.h> 144 # endif /* FD_ZERO */ 145 # endif /* CRAY1 */ 146 147 #include <memory.h> 148 #endif /* CRAY */ 149 150 #if !defined(TIOCSCTTY) && defined(TCSETCTTY) 151 # define TIOCSCTTY TCSETCTTY 152 #endif 153 154 #ifndef FD_SET 155 #ifndef HAVE_fd_set 156 typedef struct fd_set { int fds_bits[1]; } fd_set; 157 #endif 158 159 #define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n))) 160 #define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n))) 161 #define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n))) 162 #define FD_ZERO(p) ((p)->fds_bits[0] = 0) 163 #endif /* FD_SET */ 164 165 /* 166 * I/O data buffers defines 167 */ 168 #define NETSLOP 64 169 #ifdef CRAY 170 #undef BUFSIZ 171 #define BUFSIZ 2048 172 #endif 173 174 #define NIACCUM(c) { *netip++ = c; \ 175 ncc++; \ 176 } 177 178 /* clock manipulations */ 179 #define settimer(x) (clocks.x = ++clocks.system) 180 #define sequenceIs(x,y) (clocks.x < clocks.y) 181 182 /* 183 * Linemode support states, in decreasing order of importance 184 */ 185 #define REAL_LINEMODE 0x02 186 #define KLUDGE_LINEMODE 0x01 187 #define NO_LINEMODE 0x00 188 189 /* 190 * Structures of information for each special character function. 191 */ 192 typedef struct { 193 unsigned char flag; /* the flags for this function */ 194 cc_t val; /* the value of the special character */ 195 } slcent, *Slcent; 196 197 typedef struct { 198 slcent defset; /* the default settings */ 199 slcent current; /* the current settings */ 200 cc_t *sptr; /* a pointer to the char in */ 201 /* system data structures */ 202 } slcfun, *Slcfun; 203 204 #ifdef DIAGNOSTICS 205 /* 206 * Diagnostics capabilities 207 */ 208 #define TD_REPORT 0x01 /* Report operations to client */ 209 #define TD_EXERCISE 0x02 /* Exercise client's implementation */ 210 #define TD_NETDATA 0x04 /* Display received data stream */ 211 #define TD_PTYDATA 0x08 /* Display data passed to pty */ 212 #define TD_OPTIONS 0x10 /* Report just telnet options */ 213 #endif /* DIAGNOSTICS */ 214 215 /* 216 * We keep track of each side of the option negotiation. 217 */ 218 219 #define MY_STATE_WILL 0x01 220 #define MY_WANT_STATE_WILL 0x02 221 #define MY_STATE_DO 0x04 222 #define MY_WANT_STATE_DO 0x08 223 224 /* 225 * Macros to check the current state of things 226 */ 227 228 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 229 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 230 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 231 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 232 233 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 234 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 235 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 236 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 237 238 #define set_my_state_do(opt) (options[opt] |= MY_STATE_DO) 239 #define set_my_state_will(opt) (options[opt] |= MY_STATE_WILL) 240 #define set_my_want_state_do(opt) (options[opt] |= MY_WANT_STATE_DO) 241 #define set_my_want_state_will(opt) (options[opt] |= MY_WANT_STATE_WILL) 242 243 #define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO) 244 #define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL) 245 #define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO) 246 #define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL) 247 248 /* 249 * Tricky code here. What we want to know is if the MY_STATE_WILL 250 * and MY_WANT_STATE_WILL bits have the same value. Since the two 251 * bits are adjacent, a little arithmatic will show that by adding 252 * in the lower bit, the upper bit will be set if the two bits were 253 * different, and clear if they were the same. 254 */ 255 #define my_will_wont_is_changing(opt) \ 256 ((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) 257 258 #define my_do_dont_is_changing(opt) \ 259 ((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) 260 261 /* 262 * Make everything symetrical 263 */ 264 265 #define HIS_STATE_WILL MY_STATE_DO 266 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 267 #define HIS_STATE_DO MY_STATE_WILL 268 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 269 270 #define his_state_is_do my_state_is_will 271 #define his_state_is_will my_state_is_do 272 #define his_want_state_is_do my_want_state_is_will 273 #define his_want_state_is_will my_want_state_is_do 274 275 #define his_state_is_dont my_state_is_wont 276 #define his_state_is_wont my_state_is_dont 277 #define his_want_state_is_dont my_want_state_is_wont 278 #define his_want_state_is_wont my_want_state_is_dont 279 280 #define set_his_state_do set_my_state_will 281 #define set_his_state_will set_my_state_do 282 #define set_his_want_state_do set_my_want_state_will 283 #define set_his_want_state_will set_my_want_state_do 284 285 #define set_his_state_dont set_my_state_wont 286 #define set_his_state_wont set_my_state_dont 287 #define set_his_want_state_dont set_my_want_state_wont 288 #define set_his_want_state_wont set_my_want_state_dont 289 290 #define his_will_wont_is_changing my_do_dont_is_changing 291 #define his_do_dont_is_changing my_will_wont_is_changing 292
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