defs.h revision 1.7
1 /* $NetBSD: defs.h,v 1.7 1998/04/01 15:05:10 kleink Exp $ */ 2 3 /* 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)defs.h 8.1 (Berkeley) 6/4/93 36 */ 37 38 /* 39 * Telnet server defines 40 */ 41 #include <sys/types.h> 42 #include <sys/param.h> 43 44 #ifndef BSD 45 # define BSD 43 46 #endif 47 48 #if defined(CRAY) && !defined(LINEMODE) 49 # define SYSV_TERMIO 50 # define LINEMODE 51 # define KLUDGELINEMODE 52 # define DIAGNOSTICS 53 # if defined(UNICOS50) && !defined(UNICOS5) 54 # define UNICOS5 55 # endif 56 # if !defined(UNICOS5) 57 # define BFTPDAEMON 58 # define HAS_IP_TOS 59 # endif 60 #endif /* CRAY */ 61 #if defined(UNICOS5) && !defined(NO_SETSID) 62 # define NO_SETSID 63 #endif 64 65 #if defined(PRINTOPTIONS) && defined(DIAGNOSTICS) 66 #define TELOPTS 67 #define TELCMDS 68 #define SLC_NAMES 69 #endif 70 71 #if defined(SYSV_TERMIO) && !defined(USE_TERMIO) 72 # define USE_TERMIO 73 #endif 74 75 #include <sys/socket.h> 76 #ifndef CRAY 77 #include <sys/wait.h> 78 #endif /* CRAY */ 79 #include <fcntl.h> 80 #include <sys/file.h> 81 #include <sys/stat.h> 82 #include <sys/time.h> 83 #ifndef FILIO_H 84 #include <sys/ioctl.h> 85 #else 86 #include <sys/filio.h> 87 #endif 88 89 #include <netinet/in.h> 90 91 #include <arpa/telnet.h> 92 93 #include <stdio.h> 94 #ifdef __STDC__ 95 #include <stdlib.h> 96 #endif 97 #include <signal.h> 98 #include <errno.h> 99 #include <netdb.h> 100 #include <syslog.h> 101 #ifndef LOG_DAEMON 102 #define LOG_DAEMON 0 103 #endif 104 #ifndef LOG_ODELAY 105 #define LOG_ODELAY 0 106 #endif 107 #include <ctype.h> 108 #ifndef NO_STRING_H 109 #include <string.h> 110 #else 111 #include <strings.h> 112 #endif 113 114 #ifndef USE_TERMIO 115 #include <sgtty.h> 116 #else 117 # ifdef SYSV_TERMIO 118 # include <termio.h> 119 # else 120 # include <termios.h> 121 # endif 122 #endif 123 #if !defined(USE_TERMIO) || defined(NO_CC_T) 124 typedef unsigned char cc_t; 125 #endif 126 127 #include <time.h> 128 129 #ifdef __STDC__ 130 #include <unistd.h> 131 #endif 132 133 #ifndef _POSIX_VDISABLE 134 # ifdef VDISABLE 135 # define _POSIX_VDISABLE VDISABLE 136 # else 137 # define _POSIX_VDISABLE ((unsigned char)'\377') 138 # endif 139 #endif 140 141 142 #ifdef CRAY 143 # ifdef CRAY1 144 # include <sys/pty.h> 145 # ifndef FD_ZERO 146 # include <sys/select.h> 147 # endif /* FD_ZERO */ 148 # endif /* CRAY1 */ 149 150 #include <memory.h> 151 #endif /* CRAY */ 152 153 #ifdef __hpux 154 #include <sys/ptyio.h> 155 #endif 156 157 #if !defined(TIOCSCTTY) && defined(TCSETCTTY) 158 # define TIOCSCTTY TCSETCTTY 159 #endif 160 161 #ifndef FD_SET 162 #ifndef HAVE_fd_set 163 typedef struct fd_set { int fds_bits[1]; } fd_set; 164 #endif 165 166 #define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n))) 167 #define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n))) 168 #define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n))) 169 #define FD_ZERO(p) ((p)->fds_bits[0] = 0) 170 #endif /* FD_SET */ 171 172 /* 173 * I/O data buffers defines 174 */ 175 #define NETSLOP 64 176 #ifdef CRAY 177 #undef BUFSIZ 178 #define BUFSIZ 2048 179 #endif 180 181 #define NIACCUM(c) { *netip++ = c; \ 182 ncc++; \ 183 } 184 185 /* clock manipulations */ 186 #define settimer(x) (clocks.x = ++clocks.system) 187 #define sequenceIs(x,y) (clocks.x < clocks.y) 188 189 /* 190 * Linemode support states, in decreasing order of importance 191 */ 192 #define REAL_LINEMODE 0x04 193 #define KLUDGE_OK 0x03 194 #define NO_AUTOKLUDGE 0x02 195 #define KLUDGE_LINEMODE 0x01 196 #define NO_LINEMODE 0x00 197 198 /* 199 * Structures of information for each special character function. 200 */ 201 typedef struct { 202 unsigned char flag; /* the flags for this function */ 203 cc_t val; /* the value of the special character */ 204 } slcent, *Slcent; 205 206 typedef struct { 207 slcent defset; /* the default settings */ 208 slcent current; /* the current settings */ 209 cc_t *sptr; /* a pointer to the char in */ 210 /* system data structures */ 211 } slcfun, *Slcfun; 212 213 #ifdef DIAGNOSTICS 214 /* 215 * Diagnostics capabilities 216 */ 217 #define TD_REPORT 0x01 /* Report operations to client */ 218 #define TD_EXERCISE 0x02 /* Exercise client's implementation */ 219 #define TD_NETDATA 0x04 /* Display received data stream */ 220 #define TD_PTYDATA 0x08 /* Display data passed to pty */ 221 #define TD_OPTIONS 0x10 /* Report just telnet options */ 222 #endif /* DIAGNOSTICS */ 223 224 /* 225 * We keep track of each side of the option negotiation. 226 */ 227 228 #define MY_STATE_WILL 0x01 229 #define MY_WANT_STATE_WILL 0x02 230 #define MY_STATE_DO 0x04 231 #define MY_WANT_STATE_DO 0x08 232 233 /* 234 * Macros to check the current state of things 235 */ 236 237 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 238 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 239 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 240 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 241 242 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 243 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 244 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 245 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 246 247 #define set_my_state_do(opt) (options[opt] |= MY_STATE_DO) 248 #define set_my_state_will(opt) (options[opt] |= MY_STATE_WILL) 249 #define set_my_want_state_do(opt) (options[opt] |= MY_WANT_STATE_DO) 250 #define set_my_want_state_will(opt) (options[opt] |= MY_WANT_STATE_WILL) 251 252 #define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO) 253 #define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL) 254 #define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO) 255 #define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL) 256 257 /* 258 * Tricky code here. What we want to know is if the MY_STATE_WILL 259 * and MY_WANT_STATE_WILL bits have the same value. Since the two 260 * bits are adjacent, a little arithmatic will show that by adding 261 * in the lower bit, the upper bit will be set if the two bits were 262 * different, and clear if they were the same. 263 */ 264 #define my_will_wont_is_changing(opt) \ 265 ((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) 266 267 #define my_do_dont_is_changing(opt) \ 268 ((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) 269 270 /* 271 * Make everything symetrical 272 */ 273 274 #define HIS_STATE_WILL MY_STATE_DO 275 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 276 #define HIS_STATE_DO MY_STATE_WILL 277 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 278 279 #define his_state_is_do my_state_is_will 280 #define his_state_is_will my_state_is_do 281 #define his_want_state_is_do my_want_state_is_will 282 #define his_want_state_is_will my_want_state_is_do 283 284 #define his_state_is_dont my_state_is_wont 285 #define his_state_is_wont my_state_is_dont 286 #define his_want_state_is_dont my_want_state_is_wont 287 #define his_want_state_is_wont my_want_state_is_dont 288 289 #define set_his_state_do set_my_state_will 290 #define set_his_state_will set_my_state_do 291 #define set_his_want_state_do set_my_want_state_will 292 #define set_his_want_state_will set_my_want_state_do 293 294 #define set_his_state_dont set_my_state_wont 295 #define set_his_state_wont set_my_state_dont 296 #define set_his_want_state_dont set_my_want_state_wont 297 #define set_his_want_state_wont set_my_want_state_dont 298 299 #define his_will_wont_is_changing my_do_dont_is_changing 300 #define his_do_dont_is_changing my_will_wont_is_changing 301
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