Annotation of src/usr.bin/telnet/externs.h, Revision 1.5
1.5 ! fgsch 1: /* $OpenBSD: externs.h,v 1.4 1998/03/12 17:31:32 deraadt Exp $ */
1.3 art 2: /* $KTH: externs.h,v 1.16 1997/11/29 02:28:35 joda Exp $ */
1.2 niklas 3:
1.1 deraadt 4: /*
5: * Copyright (c) 1988, 1990, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
1.3 art 36: * @(#)externs.h 8.3 (Berkeley) 5/30/95
1.1 deraadt 37: */
38:
39: #ifndef BSD
40: # define BSD 43
41: #endif
42:
43: #ifndef _POSIX_VDISABLE
44: # ifdef sun
45: # include <sys/param.h> /* pick up VDISABLE definition, mayby */
46: # endif
47: # ifdef VDISABLE
48: # define _POSIX_VDISABLE VDISABLE
49: # else
50: # define _POSIX_VDISABLE ((cc_t)'\377')
51: # endif
52: #endif
53:
54: #define SUBBUFSIZE 256
55:
56: extern int
57: autologin, /* Autologin enabled */
58: skiprc, /* Don't process the ~/.telnetrc file */
59: eight, /* use eight bit mode (binary in and/or out */
1.3 art 60: binary,
1.1 deraadt 61: flushout, /* flush output */
62: connected, /* Are we connected to the other side? */
63: globalmode, /* Mode tty should be in */
64: telnetport, /* Are we connected to the telnet port? */
1.3 art 65: In3270, /* Are we in 3270 mode? */
1.1 deraadt 66: localflow, /* Flow control handled locally */
67: restartany, /* If flow control, restart output on any character */
68: localchars, /* we recognize interrupt/quit */
1.2 niklas 69: donelclchars, /* the user has set "localchars" */
1.1 deraadt 70: showoptions,
71: net, /* Network file descriptor */
72: tin, /* Terminal input file descriptor */
73: tout, /* Terminal output file descriptor */
74: crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
75: autoflush, /* flush output when interrupting? */
76: autosynch, /* send interrupt characters with SYNCH? */
77: SYNCHing, /* Is the stream in telnet SYNCH mode? */
78: donebinarytoggle, /* the user has put us in binary */
79: dontlecho, /* do we suppress local echoing right now? */
80: crmod,
81: netdata, /* Print out network data flow */
82: prettydump, /* Print "netdata" output in user readable format */
1.4 deraadt 83: #if defined(TN3270)
84: cursesdata, /* Print out curses data flow */
85: apitrace, /* Trace API transactions */
86: #endif /* defined(TN3270) */
1.1 deraadt 87: termdata, /* Print out terminal data flow */
1.3 art 88: debug; /* Debug level */
1.1 deraadt 89:
90: extern cc_t escape; /* Escape to command mode */
91: extern cc_t rlogin; /* Rlogin mode escape character */
92: #ifdef KLUDGELINEMODE
93: extern cc_t echoc; /* Toggle local echoing */
94: #endif
95:
96: extern char
97: *prompt; /* Prompt for command. */
98:
99: extern char
100: doopt[],
101: dont[],
102: will[],
103: wont[],
104: options[], /* All the little options */
105: *hostname; /* Who are we connected to? */
1.3 art 106: #if defined(ENCRYPTION)
107: extern void (*encrypt_output) (unsigned char *, int);
108: extern int (*decrypt_input) (int);
109: #endif
1.1 deraadt 110:
111: /*
112: * We keep track of each side of the option negotiation.
113: */
114:
115: #define MY_STATE_WILL 0x01
116: #define MY_WANT_STATE_WILL 0x02
117: #define MY_STATE_DO 0x04
118: #define MY_WANT_STATE_DO 0x08
119:
120: /*
121: * Macros to check the current state of things
122: */
123:
124: #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
125: #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
126: #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
127: #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
128:
129: #define my_state_is_dont(opt) (!my_state_is_do(opt))
130: #define my_state_is_wont(opt) (!my_state_is_will(opt))
131: #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
132: #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
133:
134: #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
135: #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
136: #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
137: #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
138:
139: #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
140: #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
141: #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
142: #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
143:
144: /*
145: * Make everything symetrical
146: */
147:
148: #define HIS_STATE_WILL MY_STATE_DO
149: #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
150: #define HIS_STATE_DO MY_STATE_WILL
151: #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
152:
153: #define his_state_is_do my_state_is_will
154: #define his_state_is_will my_state_is_do
155: #define his_want_state_is_do my_want_state_is_will
156: #define his_want_state_is_will my_want_state_is_do
157:
158: #define his_state_is_dont my_state_is_wont
159: #define his_state_is_wont my_state_is_dont
160: #define his_want_state_is_dont my_want_state_is_wont
161: #define his_want_state_is_wont my_want_state_is_dont
162:
163: #define set_his_state_do set_my_state_will
164: #define set_his_state_will set_my_state_do
165: #define set_his_want_state_do set_my_want_state_will
166: #define set_his_want_state_will set_my_want_state_do
167:
168: #define set_his_state_dont set_my_state_wont
169: #define set_his_state_wont set_my_state_dont
170: #define set_his_want_state_dont set_my_want_state_wont
171: #define set_his_want_state_wont set_my_want_state_dont
172:
173:
174: extern FILE
175: *NetTrace; /* Where debugging output goes */
176: extern unsigned char
177: NetTraceFile[]; /* Name of file where debugging output goes */
178: extern void
1.3 art 179: SetNetTrace (char *); /* Function to change where debugging goes */
1.1 deraadt 180:
181: extern jmp_buf
182: peerdied,
183: toplevel; /* For error conditions. */
184:
1.3 art 185: /* authenc.c */
1.1 deraadt 186:
1.3 art 187: #if defined(AUTHENTICATION) || defined(ENCRYPTION)
188: int net_write(unsigned char *str, int len);
189: void net_encrypt(void);
190: int telnet_spin(void);
191: char *telnet_getenv(char *val);
192: char *telnet_gets(char *prompt, char *result, int length, int echo);
193: #endif
194:
195: /* commands.c */
196:
197: struct env_lst *env_define (unsigned char *, unsigned char *);
198: struct env_lst *env_find(unsigned char *var);
199: void env_init (void);
200: void env_undefine (unsigned char *);
201: void env_export (unsigned char *);
202: void env_unexport (unsigned char *);
203: void env_send (unsigned char *);
204: void env_list (void);
205: unsigned char * env_default(int init, int welldefined);
206: unsigned char * env_getvalue(unsigned char *var);
207:
208: void set_escape_char(char *s);
209: unsigned long sourceroute(char *arg, char **cpp, int *lenp);
210:
211: #if defined(AUTHENTICATION)
212: int auth_enable (char *);
213: int auth_disable (char *);
214: int auth_status (void);
215: #endif
216:
217: #if defined(ENCRYPTION)
218: int EncryptEnable (char *, char *);
219: int EncryptDisable (char *, char *);
220: int EncryptType (char *, char *);
221: int EncryptStart (char *);
222: int EncryptStartInput (void);
223: int EncryptStartOutput (void);
224: int EncryptStop (char *);
225: int EncryptStopInput (void);
226: int EncryptStopOutput (void);
227: int EncryptStatus (void);
228: #endif
229:
230: #ifdef SIGINFO
231: void ayt_status(void);
232: #endif
233: int tn(int argc, char **argv);
234: void command(int top, char *tbuf, int cnt);
235:
236: /* main.c */
237:
238: void tninit(void);
239: void usage(void);
240:
241: /* network.c */
242:
243: void init_network(void);
244: int stilloob(void);
245: void setneturg(void);
246: int netflush(void);
247:
248: /* sys_bsd.c */
249:
250: void init_sys(void);
251: int TerminalWrite(char *buf, int n);
252: int TerminalRead(unsigned char *buf, int n);
253: int TerminalAutoFlush(void);
254: int TerminalSpecialChars(int c);
255: void TerminalFlushOutput(void);
256: void TerminalSaveState(void);
257: void TerminalDefaultChars(void);
258: void TerminalNewMode(int f);
259: cc_t *tcval(int func);
260: void TerminalSpeeds(long *input_speed, long *output_speed);
261: int TerminalWindowSize(long *rows, long *cols);
262: int NetClose(int fd);
263: void NetNonblockingIO(int fd, int onoff);
264: int process_rings(int netin, int netout, int netex, int ttyin, int ttyout,
265: int poll);
266:
267: /* telnet.c */
268:
269: void init_telnet(void);
270:
271: void tel_leave_binary(int rw);
272: void tel_enter_binary(int rw);
273: int opt_welldefined(char *ep);
274: int telrcv(void);
275: int rlogin_susp(void);
276: void intp(void);
277: void sendbrk(void);
278: void sendabort(void);
279: void sendsusp(void);
280: void sendeof(void);
281: void sendayt(void);
282:
283: void xmitAO(void);
284: void xmitEL(void);
285: void xmitEC(void);
286:
287:
288: void Dump (char, unsigned char *, int);
289: void printoption (char *, int, int);
290: void printsub (char, unsigned char *, int);
291: void sendnaws (void);
292: void setconnmode (int);
293: void setcommandmode (void);
294: void setneturg (void);
295: void sys_telnet_init (void);
296: void telnet (char *);
297: void tel_enter_binary (int);
298: void TerminalFlushOutput (void);
299: void TerminalNewMode (int);
300: void TerminalRestoreState (void);
301: void TerminalSaveState (void);
302: void tninit (void);
303: void willoption (int);
304: void wontoption (int);
305:
306:
307: void send_do (int, int);
308: void send_dont (int, int);
309: void send_will (int, int);
310: void send_wont (int, int);
311:
312: void lm_will (unsigned char *, int);
313: void lm_wont (unsigned char *, int);
314: void lm_do (unsigned char *, int);
315: void lm_dont (unsigned char *, int);
316: void lm_mode (unsigned char *, int, int);
317:
318: void slc_init (void);
319: void slcstate (void);
320: void slc_mode_export (void);
321: void slc_mode_import (int);
322: void slc_import (int);
323: void slc_export (void);
324: void slc (unsigned char *, int);
325: void slc_check (void);
326: void slc_start_reply (void);
327: void slc_add_reply (unsigned char, unsigned char, cc_t);
328: void slc_end_reply (void);
329: int slc_update (void);
330:
331: void env_opt (unsigned char *, int);
332: void env_opt_start (void);
333: void env_opt_start_info (void);
334: void env_opt_add (unsigned char *);
335: void env_opt_end (int);
336:
337: unsigned char *env_default (int, int);
338: unsigned char *env_getvalue (unsigned char *);
339:
340: int get_status (void);
341: int dosynch (void);
342:
343: cc_t *tcval (int);
344:
345: int quit (void);
346:
347: /* terminal.c */
348:
349: void init_terminal(void);
350: int ttyflush(int drop);
351: int getconnmode(void);
352:
353: /* utilities.c */
354:
355: int SetSockOpt(int fd, int level, int option, int yesno);
356: void SetNetTrace(char *file);
357: void Dump(char direction, unsigned char *buffer, int length);
358: void printoption(char *direction, int cmd, int option);
359: void optionstatus(void);
360: void printsub(char direction, unsigned char *pointer, int length);
361: void EmptyTerminal(void);
362: void SetForExit(void);
363: void Exit(int returnCode);
364: void ExitString(char *string, int returnCode);
1.1 deraadt 365:
1.3 art 366: extern struct termios new_tc;
1.1 deraadt 367:
368: # define termEofChar new_tc.c_cc[VEOF]
369: # define termEraseChar new_tc.c_cc[VERASE]
370: # define termIntChar new_tc.c_cc[VINTR]
371: # define termKillChar new_tc.c_cc[VKILL]
372: # define termQuitChar new_tc.c_cc[VQUIT]
373:
374: # ifndef VSUSP
375: extern cc_t termSuspChar;
376: # else
377: # define termSuspChar new_tc.c_cc[VSUSP]
378: # endif
379: # if defined(VFLUSHO) && !defined(VDISCARD)
380: # define VDISCARD VFLUSHO
381: # endif
382: # ifndef VDISCARD
383: extern cc_t termFlushChar;
384: # else
385: # define termFlushChar new_tc.c_cc[VDISCARD]
386: # endif
387: # ifndef VWERASE
388: extern cc_t termWerasChar;
389: # else
390: # define termWerasChar new_tc.c_cc[VWERASE]
391: # endif
392: # ifndef VREPRINT
393: extern cc_t termRprntChar;
394: # else
395: # define termRprntChar new_tc.c_cc[VREPRINT]
396: # endif
397: # ifndef VLNEXT
398: extern cc_t termLiteralNextChar;
399: # else
400: # define termLiteralNextChar new_tc.c_cc[VLNEXT]
401: # endif
402: # ifndef VSTART
403: extern cc_t termStartChar;
404: # else
405: # define termStartChar new_tc.c_cc[VSTART]
406: # endif
407: # ifndef VSTOP
408: extern cc_t termStopChar;
409: # else
410: # define termStopChar new_tc.c_cc[VSTOP]
411: # endif
412: # ifndef VEOL
413: extern cc_t termForw1Char;
414: # else
415: # define termForw1Char new_tc.c_cc[VEOL]
416: # endif
417: # ifndef VEOL2
418: extern cc_t termForw2Char;
419: # else
420: # define termForw2Char new_tc.c_cc[VEOL]
421: # endif
422: # ifndef VSTATUS
423: extern cc_t termAytChar;
424: #else
425: # define termAytChar new_tc.c_cc[VSTATUS]
426: #endif
427:
428: /* Ring buffer structures which are shared */
429:
430: extern Ring
431: netoring,
432: netiring,
433: ttyoring,
434: ttyiring;
435:
1.4 deraadt 436: /* Tn3270 section */
437: #if defined(TN3270)
438:
439: extern int
440: HaveInput, /* Whether an asynchronous I/O indication came in */
441: noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
442: noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
443: sigiocount, /* Count of SIGIO receptions */
444: shell_active; /* Subshell is active */
445:
446: extern char
447: *Ibackp, /* Oldest byte of 3270 data */
448: Ibuf[], /* 3270 buffer */
449: *Ifrontp, /* Where next 3270 byte goes */
1.5 ! fgsch 450: tline[200],
1.4 deraadt 451: *transcom; /* Transparent command */
452:
453: extern int
454: settranscom P((int, char**));
455:
456: extern void
457: inputAvailable P((int));
458: #endif /* defined(TN3270) */
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