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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ext.h 8.2 (Berkeley) 12/15/93 30 * $FreeBSD: src/crypto/telnet/telnetd/ext.h,v 1.2.8.4 2002/04/13 10:59:08 markm Exp $ 31 */ 32 33 /* 34 * Telnet server variable declarations 35 */ 36 extern char options[256]; 37 extern char do_dont_resp[256]; 38 extern char will_wont_resp[256]; 39 extern int linemode; /* linemode on/off */ 40 #ifdef LINEMODE 41 extern int uselinemode; /* what linemode to use (on/off) */ 42 extern int editmode; /* edit modes in use */ 43 extern int useeditmode; /* edit modes to use */ 44 extern int alwayslinemode; /* command line option */ 45 extern int lmodetype; /* Client support for linemode */ 46 #endif /* LINEMODE */ 47 extern int flowmode; /* current flow control state */ 48 extern int restartany; /* restart output on any character state */ 49 #ifdef DIAGNOSTICS 50 extern int diagnostic; /* telnet diagnostic capabilities */ 51 #endif /* DIAGNOSTICS */ 52 #ifdef BFTPDAEMON 53 extern int bftpd; /* behave as bftp daemon */ 54 #endif /* BFTPDAEMON */ 55 56 extern slcfun slctab[NSLC + 1]; /* slc mapping table */ 57 58 #define TERMINAL_TYPE_SIZE 41 /* allocated space for terminaltype */ 59 60 /* 61 * I/O data buffers, pointers, and counters. 62 */ 63 extern char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp; 64 65 extern char netibuf[BUFSIZ], *netip; 66 67 extern char netobuf[BUFSIZ], *nfrontp, *nbackp; 68 extern char *neturg; /* one past last bye of urgent data */ 69 70 extern int pcc, ncc; 71 72 extern int pty, net; 73 extern int SYNCHing; /* we are in TELNET SYNCH mode */ 74 75 extern void 76 _termstat(void), 77 add_slc(char, char, cc_t), 78 check_slc(void), 79 change_slc(char, char, cc_t), 80 cleanup(int) __dead2, 81 clientstat(int, int, int), 82 copy_termbuf(char *, size_t), 83 deferslc(void), 84 defer_terminit(void), 85 do_opt_slc(unsigned char *, int), 86 doeof(void), 87 dooption(int), 88 dontoption(int), 89 edithost(char *, char *), 90 fatalmsg(int, const char *) __dead2, 91 fatalperror(int, const char *) __dead2, 92 get_slc_defaults(void), 93 init_env(void), 94 init_termbuf(void), 95 interrupt(void), 96 localstat(void), 97 flowstat(void), 98 netclear(void), 99 netflush(void), 100 #ifdef DIAGNOSTICS 101 printoption(const char *, int), 102 printdata(const char *, char *, int), 103 printsub(char, unsigned char *, int), 104 #endif 105 process_slc(unsigned char, unsigned char, cc_t), 106 ptyflush(void), 107 putchr(int), 108 putf(char *, char *), 109 recv_ayt(void), 110 send_do(int, int), 111 send_dont(int, int), 112 send_slc(void), 113 send_status(void), 114 send_will(int, int), 115 send_wont(int, int), 116 sendbrk(void), 117 sendsusp(void), 118 set_termbuf(void), 119 start_login(char *, int, char *) __dead2, 120 start_slc(int), 121 #ifdef AUTHENTICATION 122 start_slave(char *), 123 #else 124 start_slave(char *, int, char *), 125 #endif 126 suboption(void), 127 telrcv(void), 128 ttloop(void), 129 tty_binaryin(int), 130 tty_binaryout(int); 131 132 extern int 133 end_slc(unsigned char **), 134 getnpty(void), 135 #ifndef convex 136 getpty(int *), 137 #endif 138 login_tty(int), 139 spcset(int, cc_t *, cc_t **), 140 stilloob(int), 141 terminit(void), 142 termstat(void), 143 tty_flowmode(void), 144 tty_restartany(void), 145 tty_isbinaryin(void), 146 tty_isbinaryout(void), 147 tty_iscrnl(void), 148 tty_isecho(void), 149 tty_isediting(void), 150 tty_islitecho(void), 151 tty_isnewmap(void), 152 tty_israw(void), 153 tty_issofttab(void), 154 tty_istrapsig(void), 155 tty_linemode(void); 156 157 extern void 158 tty_rspeed(int), 159 tty_setecho(int), 160 tty_setedit(int), 161 tty_setlinemode(int), 162 tty_setlitecho(int), 163 tty_setsig(int), 164 tty_setsofttab(int), 165 tty_tspeed(int), 166 willoption(int), 167 wontoption(int); 168 169 int output_data(const char *, ...) __printflike(1, 2); 170 void output_datalen(const char *, int); 171 void startslave(char *, int, char *); 172 173 #ifdef ENCRYPTION 174 extern char *nclearto; 175 #endif /* ENCRYPTION */ 176 177 178 /* 179 * The following are some clocks used to decide how to interpret 180 * the relationship between various variables. 181 */ 182 183 extern struct { 184 int 185 system, /* what the current time is */ 186 echotoggle, /* last time user entered echo character */ 187 modenegotiated, /* last time operating mode negotiated */ 188 didnetreceive, /* last time we read data from network */ 189 ttypesubopt, /* ttype subopt is received */ 190 tspeedsubopt, /* tspeed subopt is received */ 191 environsubopt, /* environ subopt is received */ 192 oenvironsubopt, /* old environ subopt is received */ 193 xdisplocsubopt, /* xdisploc subopt is received */ 194 baseline, /* time started to do timed action */ 195 gotDM; /* when did we last see a data mark */ 196 } clocks; 197 198 #ifndef DEFAULT_IM 199 # ifdef ultrix 200 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r" 201 # else 202 # if defined(__DragonFly__) 203 # define DEFAULT_IM "\r\n\r\nDragonFly (%h) (%t)\r\n\r\r\n\r" 204 # elif defined(__FreeBSD__) 205 # define DEFAULT_IM "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r" 206 # else 207 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r" 208 # endif 209 # endif 210 #endif 211