Annotation of src/usr.bin/telnet/externs.h, Revision 1.1.1.1
1.1 deraadt 1: /*
2: * Copyright (c) 1988, 1990, 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. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * from: @(#)externs.h 8.1 (Berkeley) 6/6/93
34: * $Id: externs.h,v 1.5 1995/03/17 18:03:06 mycroft Exp $
35: */
36:
37: #ifndef BSD
38: # define BSD 43
39: #endif
40:
41: /*
42: * ucb stdio.h defines BSD as something wierd
43: */
44: #if defined(sun) && defined(__svr4__)
45: #define BSD 43
46: #endif
47:
48: #ifndef USE_TERMIO
49: # if BSD > 43 || defined(SYSV_TERMIO)
50: # define USE_TERMIO
51: # endif
52: #endif
53:
54: #include <stdio.h>
55: #include <stdlib.h>
56: #include <setjmp.h>
57: #if defined(CRAY) && !defined(NO_BSD_SETJMP)
58: #include <bsdsetjmp.h>
59: #endif
60: #ifndef FILIO_H
61: #include <sys/ioctl.h>
62: #else
63: #include <sys/filio.h>
64: #endif
65: #ifdef CRAY
66: # include <errno.h>
67: #endif /* CRAY */
68: #ifdef USE_TERMIO
69: # ifndef VINTR
70: # ifdef SYSV_TERMIO
71: # include <sys/termio.h>
72: # else
73: # include <sys/termios.h>
74: # define termio termios
75: # endif
76: # endif
77: #endif
78: #if defined(NO_CC_T) || !defined(USE_TERMIO)
79: # if !defined(USE_TERMIO)
80: typedef char cc_t;
81: # else
82: typedef unsigned char cc_t;
83: # endif
84: #endif
85:
86: #ifndef NO_STRING_H
87: #include <string.h>
88: #endif
89: #include <strings.h>
90:
91: #ifndef _POSIX_VDISABLE
92: # ifdef sun
93: # include <sys/param.h> /* pick up VDISABLE definition, mayby */
94: # endif
95: # ifdef VDISABLE
96: # define _POSIX_VDISABLE VDISABLE
97: # else
98: # define _POSIX_VDISABLE ((cc_t)'\377')
99: # endif
100: #endif
101:
102: #define SUBBUFSIZE 256
103:
104: #ifndef CRAY
105: extern int errno; /* outside this world */
106: #endif /* !CRAY */
107:
108: #if !defined(P)
109: # ifdef __STDC__
110: # define P(x) x
111: # else
112: # define P(x) ()
113: # endif
114: #endif
115:
116: extern int
117: autologin, /* Autologin enabled */
118: skiprc, /* Don't process the ~/.telnetrc file */
119: eight, /* use eight bit mode (binary in and/or out */
120: flushout, /* flush output */
121: connected, /* Are we connected to the other side? */
122: globalmode, /* Mode tty should be in */
123: In3270, /* Are we in 3270 mode? */
124: telnetport, /* Are we connected to the telnet port? */
125: localflow, /* Flow control handled locally */
126: restartany, /* If flow control, restart output on any character */
127: localchars, /* we recognize interrupt/quit */
128: donelclchars, /* the user has set "localchars" */
129: showoptions,
130: net, /* Network file descriptor */
131: tin, /* Terminal input file descriptor */
132: tout, /* Terminal output file descriptor */
133: crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
134: autoflush, /* flush output when interrupting? */
135: autosynch, /* send interrupt characters with SYNCH? */
136: SYNCHing, /* Is the stream in telnet SYNCH mode? */
137: donebinarytoggle, /* the user has put us in binary */
138: dontlecho, /* do we suppress local echoing right now? */
139: crmod,
140: netdata, /* Print out network data flow */
141: prettydump, /* Print "netdata" output in user readable format */
142: #if defined(unix)
143: #if defined(TN3270)
144: cursesdata, /* Print out curses data flow */
145: apitrace, /* Trace API transactions */
146: #endif /* defined(TN3270) */
147: termdata, /* Print out terminal data flow */
148: #endif /* defined(unix) */
149: debug, /* Debug level */
150: clienteof; /* Client received EOF */
151:
152: extern cc_t escape; /* Escape to command mode */
153: extern cc_t rlogin; /* Rlogin mode escape character */
154: #ifdef KLUDGELINEMODE
155: extern cc_t echoc; /* Toggle local echoing */
156: #endif
157:
158: extern char
159: *prompt; /* Prompt for command. */
160:
161: extern char
162: doopt[],
163: dont[],
164: will[],
165: wont[],
166: options[], /* All the little options */
167: *hostname; /* Who are we connected to? */
168:
169: /*
170: * We keep track of each side of the option negotiation.
171: */
172:
173: #define MY_STATE_WILL 0x01
174: #define MY_WANT_STATE_WILL 0x02
175: #define MY_STATE_DO 0x04
176: #define MY_WANT_STATE_DO 0x08
177:
178: /*
179: * Macros to check the current state of things
180: */
181:
182: #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
183: #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
184: #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
185: #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
186:
187: #define my_state_is_dont(opt) (!my_state_is_do(opt))
188: #define my_state_is_wont(opt) (!my_state_is_will(opt))
189: #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
190: #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
191:
192: #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
193: #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
194: #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
195: #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
196:
197: #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
198: #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
199: #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
200: #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
201:
202: /*
203: * Make everything symetrical
204: */
205:
206: #define HIS_STATE_WILL MY_STATE_DO
207: #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
208: #define HIS_STATE_DO MY_STATE_WILL
209: #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
210:
211: #define his_state_is_do my_state_is_will
212: #define his_state_is_will my_state_is_do
213: #define his_want_state_is_do my_want_state_is_will
214: #define his_want_state_is_will my_want_state_is_do
215:
216: #define his_state_is_dont my_state_is_wont
217: #define his_state_is_wont my_state_is_dont
218: #define his_want_state_is_dont my_want_state_is_wont
219: #define his_want_state_is_wont my_want_state_is_dont
220:
221: #define set_his_state_do set_my_state_will
222: #define set_his_state_will set_my_state_do
223: #define set_his_want_state_do set_my_want_state_will
224: #define set_his_want_state_will set_my_want_state_do
225:
226: #define set_his_state_dont set_my_state_wont
227: #define set_his_state_wont set_my_state_dont
228: #define set_his_want_state_dont set_my_want_state_wont
229: #define set_his_want_state_wont set_my_want_state_dont
230:
231:
232: extern FILE
233: *NetTrace; /* Where debugging output goes */
234: extern unsigned char
235: NetTraceFile[]; /* Name of file where debugging output goes */
236: extern void
237: SetNetTrace P((char *)); /* Function to change where debugging goes */
238:
239: extern jmp_buf
240: peerdied,
241: toplevel; /* For error conditions. */
242:
243: extern void
244: command P((int, char *, int)),
245: Dump P((int, unsigned char *, int)),
246: init_3270 P((void)),
247: printoption P((char *, int, int)),
248: printsub P((int, unsigned char *, int)),
249: sendnaws P((void)),
250: setconnmode P((int)),
251: setcommandmode P((void)),
252: setneturg P((void)),
253: sys_telnet_init P((void)),
254: telnet P((char *)),
255: tel_enter_binary P((int)),
256: TerminalFlushOutput P((void)),
257: TerminalNewMode P((int)),
258: TerminalRestoreState P((void)),
259: TerminalSaveState P((void)),
260: tninit P((void)),
261: upcase P((char *)),
262: willoption P((int)),
263: wontoption P((int));
264:
265: extern void
266: send_do P((int, int)),
267: send_dont P((int, int)),
268: send_will P((int, int)),
269: send_wont P((int, int));
270:
271: extern void
272: lm_will P((unsigned char *, int)),
273: lm_wont P((unsigned char *, int)),
274: lm_do P((unsigned char *, int)),
275: lm_dont P((unsigned char *, int)),
276: lm_mode P((unsigned char *, int, int));
277:
278: extern void
279: slc_init P((void)),
280: slcstate P((void)),
281: slc_mode_export P((void)),
282: slc_mode_import P((int)),
283: slc_import P((int)),
284: slc_export P((void)),
285: slc P((unsigned char *, int)),
286: slc_check P((void)),
287: slc_start_reply P((void)),
288: slc_add_reply P((int, int, int)),
289: slc_end_reply P((void));
290: extern int
291: slc_update P((void));
292:
293: extern void
294: env_opt P((unsigned char *, int)),
295: env_opt_start P((void)),
296: env_opt_start_info P((void)),
297: env_opt_add P((unsigned char *)),
298: env_opt_end P((int));
299:
300: extern unsigned char
301: *env_default P((int, int)),
302: *env_getvalue P((unsigned char *));
303:
304: extern int
305: get_status P((void)),
306: dosynch P((void));
307:
308: extern cc_t
309: *tcval P((int));
310:
311: #ifndef USE_TERMIO
312:
313: extern struct tchars ntc;
314: extern struct ltchars nltc;
315: extern struct sgttyb nttyb;
316:
317: # define termEofChar ntc.t_eofc
318: # define termEraseChar nttyb.sg_erase
319: # define termFlushChar nltc.t_flushc
320: # define termIntChar ntc.t_intrc
321: # define termKillChar nttyb.sg_kill
322: # define termLiteralNextChar nltc.t_lnextc
323: # define termQuitChar ntc.t_quitc
324: # define termSuspChar nltc.t_suspc
325: # define termRprntChar nltc.t_rprntc
326: # define termWerasChar nltc.t_werasc
327: # define termStartChar ntc.t_startc
328: # define termStopChar ntc.t_stopc
329: # define termForw1Char ntc.t_brkc
330: extern cc_t termForw2Char;
331: extern cc_t termAytChar;
332:
333: # define termEofCharp (cc_t *)&ntc.t_eofc
334: # define termEraseCharp (cc_t *)&nttyb.sg_erase
335: # define termFlushCharp (cc_t *)&nltc.t_flushc
336: # define termIntCharp (cc_t *)&ntc.t_intrc
337: # define termKillCharp (cc_t *)&nttyb.sg_kill
338: # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
339: # define termQuitCharp (cc_t *)&ntc.t_quitc
340: # define termSuspCharp (cc_t *)&nltc.t_suspc
341: # define termRprntCharp (cc_t *)&nltc.t_rprntc
342: # define termWerasCharp (cc_t *)&nltc.t_werasc
343: # define termStartCharp (cc_t *)&ntc.t_startc
344: # define termStopCharp (cc_t *)&ntc.t_stopc
345: # define termForw1Charp (cc_t *)&ntc.t_brkc
346: # define termForw2Charp (cc_t *)&termForw2Char
347: # define termAytCharp (cc_t *)&termAytChar
348:
349: # else
350:
351: extern struct termio new_tc;
352:
353: # define termEofChar new_tc.c_cc[VEOF]
354: # define termEraseChar new_tc.c_cc[VERASE]
355: # define termIntChar new_tc.c_cc[VINTR]
356: # define termKillChar new_tc.c_cc[VKILL]
357: # define termQuitChar new_tc.c_cc[VQUIT]
358:
359: # ifndef VSUSP
360: extern cc_t termSuspChar;
361: # else
362: # define termSuspChar new_tc.c_cc[VSUSP]
363: # endif
364: # if defined(VFLUSHO) && !defined(VDISCARD)
365: # define VDISCARD VFLUSHO
366: # endif
367: # ifndef VDISCARD
368: extern cc_t termFlushChar;
369: # else
370: # define termFlushChar new_tc.c_cc[VDISCARD]
371: # endif
372: # ifndef VWERASE
373: extern cc_t termWerasChar;
374: # else
375: # define termWerasChar new_tc.c_cc[VWERASE]
376: # endif
377: # ifndef VREPRINT
378: extern cc_t termRprntChar;
379: # else
380: # define termRprntChar new_tc.c_cc[VREPRINT]
381: # endif
382: # ifndef VLNEXT
383: extern cc_t termLiteralNextChar;
384: # else
385: # define termLiteralNextChar new_tc.c_cc[VLNEXT]
386: # endif
387: # ifndef VSTART
388: extern cc_t termStartChar;
389: # else
390: # define termStartChar new_tc.c_cc[VSTART]
391: # endif
392: # ifndef VSTOP
393: extern cc_t termStopChar;
394: # else
395: # define termStopChar new_tc.c_cc[VSTOP]
396: # endif
397: # ifndef VEOL
398: extern cc_t termForw1Char;
399: # else
400: # define termForw1Char new_tc.c_cc[VEOL]
401: # endif
402: # ifndef VEOL2
403: extern cc_t termForw2Char;
404: # else
405: # define termForw2Char new_tc.c_cc[VEOL]
406: # endif
407: # ifndef VSTATUS
408: extern cc_t termAytChar;
409: #else
410: # define termAytChar new_tc.c_cc[VSTATUS]
411: #endif
412:
413: # if !defined(CRAY) || defined(__STDC__)
414: # define termEofCharp &termEofChar
415: # define termEraseCharp &termEraseChar
416: # define termIntCharp &termIntChar
417: # define termKillCharp &termKillChar
418: # define termQuitCharp &termQuitChar
419: # define termSuspCharp &termSuspChar
420: # define termFlushCharp &termFlushChar
421: # define termWerasCharp &termWerasChar
422: # define termRprntCharp &termRprntChar
423: # define termLiteralNextCharp &termLiteralNextChar
424: # define termStartCharp &termStartChar
425: # define termStopCharp &termStopChar
426: # define termForw1Charp &termForw1Char
427: # define termForw2Charp &termForw2Char
428: # define termAytCharp &termAytChar
429: # else
430: /* Work around a compiler bug */
431: # define termEofCharp 0
432: # define termEraseCharp 0
433: # define termIntCharp 0
434: # define termKillCharp 0
435: # define termQuitCharp 0
436: # define termSuspCharp 0
437: # define termFlushCharp 0
438: # define termWerasCharp 0
439: # define termRprntCharp 0
440: # define termLiteralNextCharp 0
441: # define termStartCharp 0
442: # define termStopCharp 0
443: # define termForw1Charp 0
444: # define termForw2Charp 0
445: # define termAytCharp 0
446: # endif
447: #endif
448:
449:
450: /* Ring buffer structures which are shared */
451:
452: extern Ring
453: netoring,
454: netiring,
455: ttyoring,
456: ttyiring;
457:
458: /* Tn3270 section */
459: #if defined(TN3270)
460:
461: extern int
462: HaveInput, /* Whether an asynchronous I/O indication came in */
463: noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
464: noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
465: sigiocount, /* Count of SIGIO receptions */
466: shell_active; /* Subshell is active */
467:
468: extern char
469: *Ibackp, /* Oldest byte of 3270 data */
470: Ibuf[], /* 3270 buffer */
471: *Ifrontp, /* Where next 3270 byte goes */
472: tline[],
473: *transcom; /* Transparent command */
474:
475: extern int
476: settranscom P((int, char**));
477:
478: extern void
479: inputAvailable P((int));
480: #endif /* defined(TN3270) */
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