defs.h revision 1.14
1 /* $NetBSD: defs.h,v 1.14 2003/08/07 09:46:51 agc 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 <ctype.h> 66 #include <string.h> 67 #include <termios.h> 68 #include <time.h> 69 #include <unistd.h> 70 71 /* 72 * I/O data buffers defines 73 */ 74 #define NETSLOP 64 75 76 #define NIACCUM(c) do { \ 77 *netip++ = c; \ 78 ncc++; \ 79 } while (0) 80 81 /* clock manipulations */ 82 #define settimer(x) (clocks.x = ++clocks.system) 83 #define sequenceIs(x,y) (clocks.x < clocks.y) 84 85 /* 86 * Linemode support states, in decreasing order of importance 87 */ 88 #define REAL_LINEMODE 0x04 89 #define KLUDGE_OK 0x03 90 #define NO_AUTOKLUDGE 0x02 91 #define KLUDGE_LINEMODE 0x01 92 #define NO_LINEMODE 0x00 93 94 /* 95 * Structures of information for each special character function. 96 */ 97 typedef struct { 98 unsigned char flag; /* the flags for this function */ 99 cc_t val; /* the value of the special character */ 100 } slcent, *Slcent; 101 102 typedef struct { 103 slcent defset; /* the default settings */ 104 slcent current; /* the current settings */ 105 cc_t *sptr; /* a pointer to the char in */ 106 /* system data structures */ 107 } slcfun, *Slcfun; 108 109 #ifdef DIAGNOSTICS 110 /* 111 * Diagnostics capabilities 112 */ 113 #define TD_REPORT 0x01 /* Report operations to client */ 114 #define TD_EXERCISE 0x02 /* Exercise client's implementation */ 115 #define TD_NETDATA 0x04 /* Display received data stream */ 116 #define TD_PTYDATA 0x08 /* Display data passed to pty */ 117 #define TD_OPTIONS 0x10 /* Report just telnet options */ 118 #endif /* DIAGNOSTICS */ 119 120 /* 121 * We keep track of each side of the option negotiation. 122 */ 123 124 #define MY_STATE_WILL 0x01 125 #define MY_WANT_STATE_WILL 0x02 126 #define MY_STATE_DO 0x04 127 #define MY_WANT_STATE_DO 0x08 128 129 /* 130 * Macros to check the current state of things 131 */ 132 133 #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) 134 #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) 135 #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) 136 #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) 137 138 #define my_state_is_dont(opt) (!my_state_is_do(opt)) 139 #define my_state_is_wont(opt) (!my_state_is_will(opt)) 140 #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) 141 #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) 142 143 #define set_my_state_do(opt) (options[opt] |= MY_STATE_DO) 144 #define set_my_state_will(opt) (options[opt] |= MY_STATE_WILL) 145 #define set_my_want_state_do(opt) (options[opt] |= MY_WANT_STATE_DO) 146 #define set_my_want_state_will(opt) (options[opt] |= MY_WANT_STATE_WILL) 147 148 #define set_my_state_dont(opt) (options[opt] &= ~MY_STATE_DO) 149 #define set_my_state_wont(opt) (options[opt] &= ~MY_STATE_WILL) 150 #define set_my_want_state_dont(opt) (options[opt] &= ~MY_WANT_STATE_DO) 151 #define set_my_want_state_wont(opt) (options[opt] &= ~MY_WANT_STATE_WILL) 152 153 /* 154 * Tricky code here. What we want to know is if the MY_STATE_WILL 155 * and MY_WANT_STATE_WILL bits have the same value. Since the two 156 * bits are adjacent, a little arithmatic will show that by adding 157 * in the lower bit, the upper bit will be set if the two bits were 158 * different, and clear if they were the same. 159 */ 160 #define my_will_wont_is_changing(opt) \ 161 ((options[opt]+MY_STATE_WILL) & MY_WANT_STATE_WILL) 162 163 #define my_do_dont_is_changing(opt) \ 164 ((options[opt]+MY_STATE_DO) & MY_WANT_STATE_DO) 165 166 /* 167 * Make everything symmetrical 168 */ 169 170 #define HIS_STATE_WILL MY_STATE_DO 171 #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO 172 #define HIS_STATE_DO MY_STATE_WILL 173 #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL 174 175 #define his_state_is_do my_state_is_will 176 #define his_state_is_will my_state_is_do 177 #define his_want_state_is_do my_want_state_is_will 178 #define his_want_state_is_will my_want_state_is_do 179 180 #define his_state_is_dont my_state_is_wont 181 #define his_state_is_wont my_state_is_dont 182 #define his_want_state_is_dont my_want_state_is_wont 183 #define his_want_state_is_wont my_want_state_is_dont 184 185 #define set_his_state_do set_my_state_will 186 #define set_his_state_will set_my_state_do 187 #define set_his_want_state_do set_my_want_state_will 188 #define set_his_want_state_will set_my_want_state_do 189 190 #define set_his_state_dont set_my_state_wont 191 #define set_his_state_wont set_my_state_dont 192 #define set_his_want_state_dont set_my_want_state_wont 193 #define set_his_want_state_wont set_my_want_state_dont 194 195 #define his_will_wont_is_changing my_do_dont_is_changing 196 #define his_do_dont_is_changing my_will_wont_is_changing 197 198 /* 199 * Initialization buffer for tty device [16 characters long] 200 */ 201 #define NULL16STR "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" 202
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