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 * $FreeBSD$ 31 */ 32 33 #ifndef EXTERN 34 #define EXTERN extern 35 #endif 36 37 /* 38 * Telnet server variable declarations 39 */ 40 EXTERN char options[256]; 41 EXTERN char do_dont_resp[256]; 42 EXTERN char will_wont_resp[256]; 43 EXTERN int linemode; /* linemode on/off */ 44 #ifdef LINEMODE 45 EXTERN int uselinemode; /* what linemode to use (on/off) */ 46 EXTERN int editmode; /* edit modes in use */ 47 EXTERN int useeditmode; /* edit modes to use */ 48 EXTERN int alwayslinemode; /* command line option */ 49 EXTERN int lmodetype; /* Client support for linemode */ 50 #endif /* LINEMODE */ 51 EXTERN int flowmode; /* current flow control state */ 52 EXTERN int restartany; /* restart output on any character state */ 53 #ifdef DIAGNOSTICS 54 EXTERN int diagnostic; /* telnet diagnostic capabilities */ 55 #endif /* DIAGNOSTICS */ 56 #ifdef BFTPDAEMON 57 EXTERN int bftpd; /* behave as bftp daemon */ 58 #endif /* BFTPDAEMON */ 59 #ifdef AUTHENTICATION 60 EXTERN int auth_level; 61 #endif 62 63 EXTERN slcfun slctab[NSLC + 1]; /* slc mapping table */ 64 65 EXTERN char *terminaltype; 66 67 /* 68 * I/O data buffers, pointers, and counters. 69 */ 70 EXTERN char ptyobuf[BUFSIZ+NETSLOP], *pfrontp, *pbackp; 71 72 EXTERN char netibuf[BUFSIZ], *netip; 73 74 EXTERN char netobuf[BUFSIZ], *nfrontp, *nbackp; 75 EXTERN char *neturg; /* one past last bye of urgent data */ 76 77 EXTERN int pcc, ncc; 78 79 EXTERN int pty, net; 80 EXTERN char line[32]; 81 EXTERN int SYNCHing; /* we are in TELNET SYNCH mode */ 82 83 EXTERN void 84 _termstat(void), 85 add_slc(char, char, cc_t), 86 check_slc(void), 87 change_slc(char, char, cc_t), 88 cleanup(int), 89 clientstat(int, int, int), 90 copy_termbuf(char *, size_t), 91 deferslc(void), 92 defer_terminit(void), 93 do_opt_slc(unsigned char *, int), 94 doeof(void), 95 dooption(int), 96 dontoption(int), 97 edithost(char *, char *), 98 fatal(int, const char *), 99 fatalperror(int, const char *), 100 get_slc_defaults(void), 101 init_env(void), 102 init_termbuf(void), 103 interrupt(void), 104 localstat(void), 105 flowstat(void), 106 netclear(void), 107 netflush(void), 108 #ifdef DIAGNOSTICS 109 printoption(const char *, int), 110 printdata(const char *, char *, int), 111 printsub(char, unsigned char *, int), 112 #endif 113 process_slc(unsigned char, unsigned char, cc_t), 114 ptyflush(void), 115 putchr(int), 116 putf(char *, char *), 117 recv_ayt(void), 118 send_do(int, int), 119 send_dont(int, int), 120 send_slc(void), 121 send_status(void), 122 send_will(int, int), 123 send_wont(int, int), 124 sendbrk(void), 125 sendsusp(void), 126 set_termbuf(void), 127 start_login(char *, int, char *), 128 start_slc(int), 129 #ifdef AUTHENTICATION 130 start_slave(char *), 131 #else 132 start_slave(char *, int, char *), 133 #endif 134 suboption(void), 135 telrcv(void), 136 ttloop(void), 137 tty_binaryin(int), 138 tty_binaryout(int); 139 140 EXTERN int 141 end_slc(unsigned char **), 142 getnpty(void), 143 #ifndef convex 144 getpty(int *), 145 #endif 146 login_tty(int), 147 spcset(int, cc_t *, cc_t **), 148 stilloob(int), 149 terminit(void), 150 termstat(void), 151 tty_flowmode(void), 152 tty_restartany(void), 153 tty_isbinaryin(void), 154 tty_isbinaryout(void), 155 tty_iscrnl(void), 156 tty_isecho(void), 157 tty_isediting(void), 158 tty_islitecho(void), 159 tty_isnewmap(void), 160 tty_israw(void), 161 tty_issofttab(void), 162 tty_istrapsig(void), 163 tty_linemode(void); 164 165 EXTERN void 166 tty_rspeed(int), 167 tty_setecho(int), 168 tty_setedit(int), 169 tty_setlinemode(int), 170 tty_setlitecho(int), 171 tty_setsig(int), 172 tty_setsofttab(int), 173 tty_tspeed(int), 174 willoption(int), 175 wontoption(int); 176 177 int output_data(const char *, ...) __printflike(1, 2); 178 void output_datalen(const char *, int); 179 void startslave(char *, int, char *); 180 181 #ifdef ENCRYPTION 182 extern void (*encrypt_output)(unsigned char *, int); 183 extern int (*decrypt_input)(int); 184 EXTERN char *nclearto; 185 #endif /* ENCRYPTION */ 186 187 188 /* 189 * The following are some clocks used to decide how to interpret 190 * the relationship between various variables. 191 */ 192 193 EXTERN struct { 194 int 195 system, /* what the current time is */ 196 echotoggle, /* last time user entered echo character */ 197 modenegotiated, /* last time operating mode negotiated */ 198 didnetreceive, /* last time we read data from network */ 199 ttypesubopt, /* ttype subopt is received */ 200 tspeedsubopt, /* tspeed subopt is received */ 201 environsubopt, /* environ subopt is received */ 202 oenvironsubopt, /* old environ subopt is received */ 203 xdisplocsubopt, /* xdisploc subopt is received */ 204 baseline, /* time started to do timed action */ 205 gotDM; /* when did we last see a data mark */ 206 } clocks; 207 208 #ifndef DEFAULT_IM 209 # ifdef ultrix 210 # define DEFAULT_IM "\r\n\r\nULTRIX (%h) (%t)\r\n\r\r\n\r" 211 # else 212 # ifdef __FreeBSD__ 213 # define DEFAULT_IM "\r\n\r\nFreeBSD (%h) (%t)\r\n\r\r\n\r" 214 # else 215 # ifdef __HAIKU__ 216 # define DEFAULT_IM "\r\n\r\nHaiku (%h) (%t)\r\n\r\r\n\r" 217 # else 218 # define DEFAULT_IM "\r\n\r\n4.4 BSD UNIX (%h) (%t)\r\n\r\r\n\r" 219 # endif 220 # endif 221 # endif 222 #endif 223