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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4680 | right-hear | 1 | /* |
| 2 | * Copyright (c) 1988, 1990, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 4. Neither the name of the University nor the names of its contributors |
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| 14 | * may be used to endorse or promote products derived from this software |
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| 15 | * without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * @(#)externs.h 8.3 (Berkeley) 5/30/95 |
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| 30 | */ |
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| 31 | |||
| 32 | #ifndef BSD |
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| 33 | # define BSD 43 |
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| 34 | #endif |
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| 35 | |||
| 36 | #ifdef HAVE_TERMIOS_H |
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| 37 | #define USE_TERMIO |
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| 38 | #else /* !HAVE_TERMIOS_H */ |
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| 39 | #ifdef HAVE_TERMIO_H |
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| 40 | #define USE_TERMIO |
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| 41 | #define SYSV_TERMIO |
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| 42 | #endif |
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| 43 | #endif /* HAVE_TERMIOS_H */ |
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| 44 | |||
| 45 | /* |
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| 46 | * ucb stdio.h defines BSD as something wierd |
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| 47 | */ |
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| 48 | #if defined(sun) && defined(__svr4__) |
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| 49 | #define BSD 43 |
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| 50 | #endif |
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| 51 | |||
| 52 | #ifndef USE_TERMIO |
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| 53 | # if BSD > 43 || defined(SYSV_TERMIO) |
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| 54 | # define USE_TERMIO |
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| 55 | # endif |
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| 56 | #endif |
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| 57 | |||
| 58 | #include |
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| 59 | #include |
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| 60 | #if defined(CRAY) && !defined(NO_BSD_SETJMP) |
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| 61 | #include |
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| 62 | #endif |
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| 63 | #include |
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| 64 | #ifdef HAVE_SYS_FILIO_H |
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| 65 | #include |
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| 66 | #endif |
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| 67 | #ifdef CRAY |
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| 68 | # include |
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| 69 | #endif /* CRAY */ |
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| 70 | #ifdef USE_TERMIO |
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| 71 | # ifndef VINTR |
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| 72 | # ifdef SYSV_TERMIO |
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| 73 | # include |
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| 74 | # else |
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| 75 | # include |
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| 76 | # endif |
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| 77 | # endif |
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| 78 | #endif |
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| 79 | #if defined(NO_CC_T) || !defined(USE_TERMIO) |
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| 80 | # if !defined(USE_TERMIO) |
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| 81 | typedef char cc_t; |
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| 82 | # else |
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| 83 | typedef unsigned char cc_t; |
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| 84 | # endif |
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| 85 | #endif |
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| 86 | |||
| 87 | #if defined (USE_TERMIO) && !defined (SYSV_TERMIO) |
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| 88 | # define termio termios |
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| 89 | #endif |
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| 90 | |||
| 91 | #ifndef NO_STRING_H |
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| 92 | #include |
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| 93 | #else |
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| 94 | #include |
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| 95 | #endif |
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| 96 | |||
| 97 | #ifndef _POSIX_VDISABLE |
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| 98 | # ifdef sun |
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| 99 | # include |
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| 100 | # endif |
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| 101 | # ifdef VDISABLE |
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| 102 | # define _POSIX_VDISABLE VDISABLE |
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| 103 | # else |
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| 104 | # define _POSIX_VDISABLE ((cc_t)'\377') |
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| 105 | # endif |
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| 106 | #endif |
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| 107 | |||
| 108 | #define SUBBUFSIZE 256 |
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| 109 | |||
| 110 | #ifndef CRAY |
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| 111 | # ifndef errno |
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| 112 | extern int errno; /* outside this world */ |
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| 113 | # endif |
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| 114 | #endif /* !CRAY */ |
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| 115 | |||
| 116 | #ifndef __P |
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| 117 | # ifdef __STDC__ |
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| 118 | # define __P(x) x |
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| 119 | # else |
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| 120 | # define __P(x) () |
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| 121 | # endif |
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| 122 | #endif |
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| 123 | |||
| 124 | extern int |
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| 125 | autologin, /* Autologin enabled */ |
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| 126 | skiprc, /* Don't process the ~/.telnetrc file */ |
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| 127 | eight, /* use eight bit mode (binary in and/or out */ |
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| 128 | flushout, /* flush output */ |
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| 129 | connected, /* Are we connected to the other side? */ |
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| 130 | globalmode, /* Mode tty should be in */ |
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| 131 | In3270, /* Are we in 3270 mode? */ |
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| 132 | telnetport, /* Are we connected to the telnet port? */ |
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| 133 | localflow, /* Flow control handled locally */ |
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| 134 | restartany, /* If flow control, restart output on any character */ |
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| 135 | localchars, /* we recognize interrupt/quit */ |
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| 136 | donelclchars, /* the user has set "localchars" */ |
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| 137 | showoptions, |
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| 138 | net, /* Network file descriptor */ |
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| 139 | tin, /* Terminal input file descriptor */ |
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| 140 | tout, /* Terminal output file descriptor */ |
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| 141 | crlf, /* Should '\r' be mapped to |
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| 142 | autoflush, /* flush output when interrupting? */ |
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| 143 | autosynch, /* send interrupt characters with SYNCH? */ |
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| 144 | SYNCHing, /* Is the stream in telnet SYNCH mode? */ |
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| 145 | donebinarytoggle, /* the user has put us in binary */ |
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| 146 | dontlecho, /* do we suppress local echoing right now? */ |
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| 147 | crmod, |
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| 148 | netdata, /* Print out network data flow */ |
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| 149 | prettydump, /* Print "netdata" output in user readable format */ |
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| 150 | #if defined(TN3270) |
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| 151 | cursesdata, /* Print out curses data flow */ |
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| 152 | apitrace, /* Trace API transactions */ |
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| 153 | #endif /* defined(TN3270) */ |
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| 154 | termdata, /* Print out terminal data flow */ |
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| 155 | debug; /* Debug level */ |
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| 156 | |||
| 157 | extern cc_t escape; /* Escape to command mode */ |
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| 158 | extern cc_t rlogin; /* Rlogin mode escape character */ |
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| 159 | #ifdef KLUDGELINEMODE |
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| 160 | extern cc_t echoc; /* Toggle local echoing */ |
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| 161 | #endif |
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| 162 | |||
| 163 | extern char |
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| 164 | *prompt; /* Prompt for command. */ |
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| 165 | |||
| 166 | extern char |
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| 167 | doopt[], |
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| 168 | dont[], |
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| 169 | will[], |
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| 170 | wont[], |
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| 171 | options[], /* All the little options */ |
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| 172 | *hostname; /* Who are we connected to? */ |
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| 173 | #ifdef ENCRYPTION |
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| 174 | extern void (*encrypt_output) P((unsigned char *, int)); |
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| 175 | extern int (*decrypt_input) P((int)); |
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| 176 | #endif /* ENCRYPTION */ |
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| 177 | |||
| 178 | /* |
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| 179 | * We keep track of each side of the option negotiation. |
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| 180 | */ |
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| 181 | |||
| 182 | #define MY_STATE_WILL 0x01 |
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| 183 | #define MY_WANT_STATE_WILL 0x02 |
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| 184 | #define MY_STATE_DO 0x04 |
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| 185 | #define MY_WANT_STATE_DO 0x08 |
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| 186 | |||
| 187 | /* |
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| 188 | * Macros to check the current state of things |
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| 189 | */ |
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| 190 | |||
| 191 | #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) |
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| 192 | #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) |
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| 193 | #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) |
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| 194 | #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) |
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| 195 | |||
| 196 | #define my_state_is_dont(opt) (!my_state_is_do(opt)) |
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| 197 | #define my_state_is_wont(opt) (!my_state_is_will(opt)) |
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| 198 | #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) |
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| 199 | #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) |
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| 200 | |||
| 201 | #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} |
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| 202 | #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} |
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| 203 | #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} |
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| 204 | #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} |
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| 205 | |||
| 206 | #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} |
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| 207 | #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} |
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| 208 | #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} |
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| 209 | #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} |
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| 210 | |||
| 211 | /* |
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| 212 | * Make everything symetrical |
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| 213 | */ |
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| 214 | |||
| 215 | #define HIS_STATE_WILL MY_STATE_DO |
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| 216 | #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO |
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| 217 | #define HIS_STATE_DO MY_STATE_WILL |
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| 218 | #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL |
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| 219 | |||
| 220 | #define his_state_is_do my_state_is_will |
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| 221 | #define his_state_is_will my_state_is_do |
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| 222 | #define his_want_state_is_do my_want_state_is_will |
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| 223 | #define his_want_state_is_will my_want_state_is_do |
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| 224 | |||
| 225 | #define his_state_is_dont my_state_is_wont |
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| 226 | #define his_state_is_wont my_state_is_dont |
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| 227 | #define his_want_state_is_dont my_want_state_is_wont |
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| 228 | #define his_want_state_is_wont my_want_state_is_dont |
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| 229 | |||
| 230 | #define set_his_state_do set_my_state_will |
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| 231 | #define set_his_state_will set_my_state_do |
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| 232 | #define set_his_want_state_do set_my_want_state_will |
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| 233 | #define set_his_want_state_will set_my_want_state_do |
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| 234 | |||
| 235 | #define set_his_state_dont set_my_state_wont |
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| 236 | #define set_his_state_wont set_my_state_dont |
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| 237 | #define set_his_want_state_dont set_my_want_state_wont |
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| 238 | #define set_his_want_state_wont set_my_want_state_dont |
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| 239 | |||
| 240 | |||
| 241 | extern FILE |
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| 242 | *NetTrace; /* Where debugging output goes */ |
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| 243 | extern unsigned char |
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| 244 | NetTraceFile[]; /* Name of file where debugging output goes */ |
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| 245 | extern void |
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| 246 | SetNetTrace __P((char *)); /* Function to change where debugging goes */ |
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| 247 | |||
| 248 | extern jmp_buf |
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| 249 | peerdied, |
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| 250 | toplevel; /* For error conditions. */ |
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| 251 | |||
| 252 | extern void |
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| 253 | command __P((int, char *, int)), |
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| 254 | Dump __P((char, unsigned char *, int)), |
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| 255 | init_3270 __P((void)), |
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| 256 | printoption __P((char *, int, int)), |
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| 257 | printsub __P((char, unsigned char *, int)), |
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| 258 | sendnaws __P((void)), |
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| 259 | setconnmode __P((int)), |
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| 260 | setcommandmode __P((void)), |
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| 261 | setneturg __P((void)), |
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| 262 | sys_telnet_init __P((void)), |
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| 263 | telnet __P((char *)), |
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| 264 | tel_enter_binary __P((int)), |
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| 265 | TerminalFlushOutput __P((void)), |
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| 266 | TerminalNewMode __P((int)), |
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| 267 | TerminalRestoreState __P((void)), |
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| 268 | TerminalSaveState __P((void)), |
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| 269 | tninit __P((void)), |
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| 270 | upcase __P((char *)), |
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| 271 | willoption __P((int)), |
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| 272 | wontoption __P((int)); |
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| 273 | |||
| 274 | extern void |
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| 275 | send_do __P((int, int)), |
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| 276 | send_dont __P((int, int)), |
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| 277 | send_will __P((int, int)), |
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| 278 | send_wont __P((int, int)); |
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| 279 | |||
| 280 | extern void |
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| 281 | lm_will __P((unsigned char *, int)), |
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| 282 | lm_wont __P((unsigned char *, int)), |
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| 283 | lm_do __P((unsigned char *, int)), |
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| 284 | lm_dont __P((unsigned char *, int)), |
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| 285 | lm_mode __P((unsigned char *, int, int)); |
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| 286 | |||
| 287 | extern void |
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| 288 | slc_init __P((void)), |
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| 289 | slcstate __P((void)), |
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| 290 | slc_mode_export __P((void)), |
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| 291 | slc_mode_import __P((int)), |
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| 292 | slc_import __P((int)), |
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| 293 | slc_export __P((void)), |
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| 294 | slc __P((unsigned char *, int)), |
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| 295 | slc_check __P((void)), |
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| 296 | slc_start_reply __P((void)), |
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| 297 | slc_add_reply __P((unsigned char, unsigned char, cc_t)), |
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| 298 | slc_end_reply __P((void)); |
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| 299 | extern int |
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| 300 | slc_update __P((void)); |
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| 301 | |||
| 302 | extern void |
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| 303 | env_opt __P((unsigned char *, int)), |
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| 304 | env_opt_start __P((void)), |
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| 305 | env_opt_start_info __P((void)), |
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| 306 | env_opt_add __P((unsigned char *)), |
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| 307 | env_opt_end __P((int)); |
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| 308 | |||
| 309 | extern unsigned char |
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| 310 | *env_default __P((int, int)), |
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| 311 | *env_getvalue __P((unsigned char *)); |
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| 312 | |||
| 313 | extern int |
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| 314 | get_status __P((void)), |
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| 315 | dosynch __P((void)); |
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| 316 | |||
| 317 | extern cc_t |
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| 318 | *tcval __P((int)); |
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| 319 | |||
| 320 | #ifndef USE_TERMIO |
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| 321 | |||
| 322 | extern struct tchars ntc; |
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| 323 | extern struct ltchars nltc; |
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| 324 | extern struct sgttyb nttyb; |
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| 325 | |||
| 326 | # define termEofChar ntc.t_eofc |
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| 327 | # define termEraseChar nttyb.sg_erase |
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| 328 | # define termFlushChar nltc.t_flushc |
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| 329 | # define termIntChar ntc.t_intrc |
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| 330 | # define termKillChar nttyb.sg_kill |
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| 331 | # define termLiteralNextChar nltc.t_lnextc |
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| 332 | # define termQuitChar ntc.t_quitc |
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| 333 | # define termSuspChar nltc.t_suspc |
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| 334 | # define termRprntChar nltc.t_rprntc |
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| 335 | # define termWerasChar nltc.t_werasc |
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| 336 | # define termStartChar ntc.t_startc |
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| 337 | # define termStopChar ntc.t_stopc |
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| 338 | # define termForw1Char ntc.t_brkc |
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| 339 | extern cc_t termForw2Char; |
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| 340 | extern cc_t termAytChar; |
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| 341 | |||
| 342 | # define termEofCharp (cc_t *)&ntc.t_eofc |
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| 343 | # define termEraseCharp (cc_t *)&nttyb.sg_erase |
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| 344 | # define termFlushCharp (cc_t *)&nltc.t_flushc |
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| 345 | # define termIntCharp (cc_t *)&ntc.t_intrc |
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| 346 | # define termKillCharp (cc_t *)&nttyb.sg_kill |
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| 347 | # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc |
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| 348 | # define termQuitCharp (cc_t *)&ntc.t_quitc |
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| 349 | # define termSuspCharp (cc_t *)&nltc.t_suspc |
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| 350 | # define termRprntCharp (cc_t *)&nltc.t_rprntc |
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| 351 | # define termWerasCharp (cc_t *)&nltc.t_werasc |
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| 352 | # define termStartCharp (cc_t *)&ntc.t_startc |
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| 353 | # define termStopCharp (cc_t *)&ntc.t_stopc |
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| 354 | # define termForw1Charp (cc_t *)&ntc.t_brkc |
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| 355 | # define termForw2Charp (cc_t *)&termForw2Char |
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| 356 | # define termAytCharp (cc_t *)&termAytChar |
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| 357 | |||
| 358 | # else |
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| 359 | |||
| 360 | extern struct termio new_tc; |
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| 361 | |||
| 362 | # define termEofChar new_tc.c_cc[VEOF] |
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| 363 | # define termEraseChar new_tc.c_cc[VERASE] |
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| 364 | # define termIntChar new_tc.c_cc[VINTR] |
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| 365 | # define termKillChar new_tc.c_cc[VKILL] |
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| 366 | # define termQuitChar new_tc.c_cc[VQUIT] |
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| 367 | |||
| 368 | # ifndef VSUSP |
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| 369 | extern cc_t termSuspChar; |
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| 370 | # else |
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| 371 | # define termSuspChar new_tc.c_cc[VSUSP] |
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| 372 | # endif |
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| 373 | # if defined(VFLUSHO) && !defined(VDISCARD) |
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| 374 | # define VDISCARD VFLUSHO |
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| 375 | # endif |
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| 376 | # ifndef VDISCARD |
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| 377 | extern cc_t termFlushChar; |
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| 378 | # else |
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| 379 | # define termFlushChar new_tc.c_cc[VDISCARD] |
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| 380 | # endif |
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| 381 | # ifndef VWERASE |
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| 382 | extern cc_t termWerasChar; |
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| 383 | # else |
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| 384 | # define termWerasChar new_tc.c_cc[VWERASE] |
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| 385 | # endif |
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| 386 | # ifndef VREPRINT |
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| 387 | extern cc_t termRprntChar; |
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| 388 | # else |
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| 389 | # define termRprntChar new_tc.c_cc[VREPRINT] |
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| 390 | # endif |
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| 391 | # ifndef VLNEXT |
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| 392 | extern cc_t termLiteralNextChar; |
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| 393 | # else |
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| 394 | # define termLiteralNextChar new_tc.c_cc[VLNEXT] |
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| 395 | # endif |
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| 396 | # ifndef VSTART |
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| 397 | extern cc_t termStartChar; |
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| 398 | # else |
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| 399 | # define termStartChar new_tc.c_cc[VSTART] |
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| 400 | # endif |
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| 401 | # ifndef VSTOP |
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| 402 | extern cc_t termStopChar; |
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| 403 | # else |
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| 404 | # define termStopChar new_tc.c_cc[VSTOP] |
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| 405 | # endif |
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| 406 | # ifndef VEOL |
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| 407 | extern cc_t termForw1Char; |
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| 408 | # else |
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| 409 | # define termForw1Char new_tc.c_cc[VEOL] |
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| 410 | # endif |
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| 411 | # ifndef VEOL2 |
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| 412 | extern cc_t termForw2Char; |
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| 413 | # else |
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| 414 | # define termForw2Char new_tc.c_cc[VEOL] |
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| 415 | # endif |
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| 416 | # ifndef VSTATUS |
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| 417 | extern cc_t termAytChar; |
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| 418 | #else |
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| 419 | # define termAytChar new_tc.c_cc[VSTATUS] |
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| 420 | #endif |
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| 421 | |||
| 422 | # if !defined(CRAY) || defined(__STDC__) |
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| 423 | # define termEofCharp &termEofChar |
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| 424 | # define termEraseCharp &termEraseChar |
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| 425 | # define termIntCharp &termIntChar |
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| 426 | # define termKillCharp &termKillChar |
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| 427 | # define termQuitCharp &termQuitChar |
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| 428 | # define termSuspCharp &termSuspChar |
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| 429 | # define termFlushCharp &termFlushChar |
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| 430 | # define termWerasCharp &termWerasChar |
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| 431 | # define termRprntCharp &termRprntChar |
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| 432 | # define termLiteralNextCharp &termLiteralNextChar |
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| 433 | # define termStartCharp &termStartChar |
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| 434 | # define termStopCharp &termStopChar |
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| 435 | # define termForw1Charp &termForw1Char |
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| 436 | # define termForw2Charp &termForw2Char |
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| 437 | # define termAytCharp &termAytChar |
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| 438 | # else |
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| 439 | /* Work around a compiler bug */ |
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| 440 | # define termEofCharp 0 |
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| 441 | # define termEraseCharp 0 |
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| 442 | # define termIntCharp 0 |
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| 443 | # define termKillCharp 0 |
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| 444 | # define termQuitCharp 0 |
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| 445 | # define termSuspCharp 0 |
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| 446 | # define termFlushCharp 0 |
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| 447 | # define termWerasCharp 0 |
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| 448 | # define termRprntCharp 0 |
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| 449 | # define termLiteralNextCharp 0 |
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| 450 | # define termStartCharp 0 |
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| 451 | # define termStopCharp 0 |
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| 452 | # define termForw1Charp 0 |
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| 453 | # define termForw2Charp 0 |
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| 454 | # define termAytCharp 0 |
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| 455 | # endif |
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| 456 | #endif |
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| 457 | |||
| 458 | |||
| 459 | /* Ring buffer structures which are shared */ |
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| 460 | |||
| 461 | extern Ring |
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| 462 | netoring, |
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| 463 | netiring, |
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| 464 | ttyoring, |
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| 465 | ttyiring; |
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| 466 | |||
| 467 | /* Tn3270 section */ |
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| 468 | #if defined(TN3270) |
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| 469 | |||
| 470 | extern int |
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| 471 | HaveInput, /* Whether an asynchronous I/O indication came in */ |
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| 472 | noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ |
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| 473 | noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ |
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| 474 | sigiocount, /* Count of SIGIO receptions */ |
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| 475 | shell_active; /* Subshell is active */ |
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| 476 | |||
| 477 | extern char |
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| 478 | *Ibackp, /* Oldest byte of 3270 data */ |
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| 479 | Ibuf[], /* 3270 buffer */ |
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| 480 | *Ifrontp, /* Where next 3270 byte goes */ |
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| 481 | tline[], |
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| 482 | *transcom; /* Transparent command */ |
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| 483 | |||
| 484 | extern int |
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| 485 | settranscom __P((int, char**)); |
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| 486 | |||
| 487 | extern void |
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| 488 | inputAvailable __P((int)); |
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| 489 | #endif /* defined(TN3270) */ |