1 /* $NetBSD: defs.h,v 1.16 2007/02/21 21:14:07 hubertf 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: @(#)defs.h 8.1 (Berkeley) 6/4/93 32 */ 33 34 /* 35 * Telnet server defines 36 */ 37 #include <sys/types.h> 38 #include <sys/param.h> 39 40 #if defined(PRINTOPTIONS) && defined(DIAGNOSTICS) 41 #define TELOPTS 42 #define TELCMDS 43 #define SLC_NAMES 44 #endif 45 46 #include <sys/socket.h> 47 #include <sys/wait.h> 48 #include <fcntl.h> 49 #include <sys/file.h> 50 #include <sys/stat.h> 51 #include <sys/time.h> 52 #include <sys/poll.h> 53 #include <sys/ioctl.h> 54 55 #include <netinet/in.h> 56 57 #include <arpa/telnet.h> 58 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <signal.h> 62 #include <errno.h> 63 #include <netdb.h> 64 #include <syslog.h> 65 #include <string.h> 66 #include <termios.h> 67 #include <time.h> 68 #include <unistd.h> 69 70 /* 71 * I/O data buffers defines 72 */ 73 #define NETSLOP 64 74 75 #define NIACCUM(c) do { \ 76 *netip++ = c; \ 77 ncc++; \ 78 } while (0) 79 80 /* clock manipulations */ 81 #define settimer(x) (clocks.x = ++clocks.system) 82 #define sequenceIs(x,y) (clocks.x < clocks.y) 83 84 /* 85 * Linemode support states, in decreasing order of importance 86 */ 87 #define REAL_LINEMODE 0x04 88 #define KLUDGE_OK 0x03 89 #define NO_AUTOKLUDGE 0x02 90 #define KLUDGE_LINEMODE 0x01 91 #define NO_LINEMODE 0x00 92 93 /* 94 * Structures of information for each special character function. 95 */ 96 typedef struct { 97 unsigned char flag; /* the flags for this function */ 98 cc_t val; /* the value of the special character */ 99 } slcent, *Slcent; 100 101 typedef struct { 102 slcent defset; /* the default settings */ 103 slcent current; /* the current settings */ 104 cc_t *sptr; /* a pointer to the char in */ 105 /* system data structures */ 106 } slcfun, *Slcfun; 107 108 #ifdef DIAGNOSTICS 109 /* 110 * Diagnostics capabilities 111 */ 112 #define TD_REPORT 0x01 /* Report operations to client */ 113 #define TD_EXERCISE 0x02 /* Exercise client's implementation */ 114 #define TD_NETDATA 0x04 /* Display received data stream */ 115 #define TD_PTYDATA 0x08 /* Display data passed to pty */ 116 #define TD_OPTIONS 0x10 /* Report just telnet options */ 117 #endif /* DIAGNOSTICS */ 118 119 /* 120 * We keep track of each side of the option negotiation. 121 */ 122 123 #define MY_STATE_WILL 0x01 124 #define MY_WANT_STATE_WILL 0x02 125 #define MY_STATE_DO 0x04 126 #define MY_WANT_STATE_DO 0x08 127 128 /* 129 * Macros to check the current state of things 130 */ 131 132 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 133 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 134 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 135 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 136 137 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 138 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 139 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 140 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 141 142 #define set_my_state_do(opt) (options[opt] |= MY_STATE_DO) 143 #define set_my_state_will(opt) (options[opt] |= MY_STATE_WILL) 144 #define set_my_want_state_do(opt) (options[opt] |= MY_WANT_STATE_DO) 145 #define set_my_want_state_will(opt) (options[opt] |= MY_WANT_STATE_WILL) 146 147 #define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO) 148 #define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL) 149 #define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO) 150 #define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL) 151 152 /* 153 * Tricky code here. What we want to know is if the MY_STATE_WILL 154 * and MY_WANT_STATE_WILL bits have the same value. Since the two 155 * bits are adjacent, a little arithmetic will show that by adding 156 * in the lower bit, the upper bit will be set if the two bits were 157 * different, and clear if they were the same. 158 */ 159 #define my_will_wont_is_changing(opt) \ 160 ((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) 161 162 #define my_do_dont_is_changing(opt) \ 163 ((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) 164 165 /* 166 * Make everything symmetrical 167 */ 168 169 #define HIS_STATE_WILL MY_STATE_DO 170 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 171 #define HIS_STATE_DO MY_STATE_WILL 172 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 173 174 #define his_state_is_do my_state_is_will 175 #define his_state_is_will my_state_is_do 176 #define his_want_state_is_do my_want_state_is_will 177 #define his_want_state_is_will my_want_state_is_do 178 179 #define his_state_is_dont my_state_is_wont 180 #define his_state_is_wont my_state_is_dont 181 #define his_want_state_is_dont my_want_state_is_wont 182 #define his_want_state_is_wont my_want_state_is_dont 183 184 #define set_his_state_do set_my_state_will 185 #define set_his_state_will set_my_state_do 186 #define set_his_want_state_do set_my_want_state_will 187 #define set_his_want_state_will set_my_want_state_do 188 189 #define set_his_state_dont set_my_state_wont 190 #define set_his_state_wont set_my_state_dont 191 #define set_his_want_state_dont set_my_want_state_wont 192 #define set_his_want_state_wont set_my_want_state_dont 193 194 #define his_will_wont_is_changing my_do_dont_is_changing 195 #define his_do_dont_is_changing my_will_wont_is_changing 196 197 /* 198 * Initialization buffer for tty device [16 characters long] 199 */ 200 #define NULL16STR "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" 201
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