Commit | Line | Data |
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8a3f4fd4 | 1 | /* |
7e93bfe3 KB |
2 | * Copyright (c) 1983, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
9d72a529 | 4 | * |
836fe169 | 5 | * %sccs.include.redist.c% |
8a3f4fd4 DF |
6 | */ |
7 | ||
3eea9327 | 8 | #ifndef lint |
7e93bfe3 | 9 | static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) %G%"; |
9d72a529 | 10 | #endif /* not lint */ |
3eea9327 SL |
11 | |
12 | /* | |
13 | * Melbourne getty. | |
14 | */ | |
244691fc | 15 | #define USE_OLD_TTY |
69494ff4 | 16 | #include <stdlib.h> |
3eea9327 | 17 | #include <sgtty.h> |
2de7ea86 | 18 | #include <string.h> |
34129485 KB |
19 | #include <unistd.h> |
20 | ||
3eea9327 | 21 | #include "gettytab.h" |
34129485 | 22 | #include "extern.h" |
69494ff4 | 23 | #include "pathnames.h" |
3eea9327 SL |
24 | |
25 | extern struct sgttyb tmode; | |
26 | extern struct tchars tc; | |
27 | extern struct ltchars ltc; | |
28 | ||
29 | /* | |
30 | * Get a table entry. | |
31 | */ | |
34129485 | 32 | void |
69494ff4 EA |
33 | gettable(name, buf) |
34 | char *name, *buf; | |
3eea9327 SL |
35 | { |
36 | register struct gettystrs *sp; | |
37 | register struct gettynums *np; | |
38 | register struct gettyflags *fp; | |
69494ff4 EA |
39 | long n; |
40 | char *dba[2]; | |
41 | dba[0] = _PATH_GETTYTAB; | |
42 | dba[1] = 0; | |
3eea9327 | 43 | |
69494ff4 | 44 | if (cgetent(&buf, dba, name) != 0) |
3eea9327 SL |
45 | return; |
46 | ||
69494ff4 EA |
47 | for (sp = gettystrs; sp->field; sp++) |
48 | cgetstr(buf, sp->field, &sp->value); | |
3eea9327 | 49 | for (np = gettynums; np->field; np++) { |
69494ff4 | 50 | if (cgetnum(buf, np->field, &n) == -1) |
3eea9327 SL |
51 | np->set = 0; |
52 | else { | |
53 | np->set = 1; | |
54 | np->value = n; | |
55 | } | |
56 | } | |
57 | for (fp = gettyflags; fp->field; fp++) { | |
69494ff4 | 58 | if (cgetcap(buf, fp->field, ':') == NULL) |
3eea9327 SL |
59 | fp->set = 0; |
60 | else { | |
61 | fp->set = 1; | |
69494ff4 | 62 | fp->value = 1 ^ fp->invrt; |
3eea9327 SL |
63 | } |
64 | } | |
69494ff4 EA |
65 | #ifdef DEBUG |
66 | printf("name=\"%s\", buf=\"%s\"\n", name, buf); | |
67 | for (sp = gettystrs; sp->field; sp++) | |
68 | printf("cgetstr: %s=%s\n", sp->field, sp->value); | |
69 | for (np = gettynums; np->field; np++) | |
70 | printf("cgetnum: %s=%d\n", np->field, np->value); | |
71 | for (fp = gettyflags; fp->field; fp++) | |
72 | printf("cgetflags: %s='%c' set='%c'\n", fp->field, | |
73 | fp->value + '0', fp->set + '0'); | |
74 | exit(1); | |
75 | #endif /* DEBUG */ | |
3eea9327 SL |
76 | } |
77 | ||
34129485 | 78 | void |
3eea9327 SL |
79 | gendefaults() |
80 | { | |
81 | register struct gettystrs *sp; | |
82 | register struct gettynums *np; | |
83 | register struct gettyflags *fp; | |
84 | ||
85 | for (sp = gettystrs; sp->field; sp++) | |
86 | if (sp->value) | |
87 | sp->defalt = sp->value; | |
88 | for (np = gettynums; np->field; np++) | |
89 | if (np->set) | |
90 | np->defalt = np->value; | |
91 | for (fp = gettyflags; fp->field; fp++) | |
92 | if (fp->set) | |
93 | fp->defalt = fp->value; | |
94 | else | |
95 | fp->defalt = fp->invrt; | |
96 | } | |
97 | ||
34129485 | 98 | void |
3eea9327 SL |
99 | setdefaults() |
100 | { | |
101 | register struct gettystrs *sp; | |
102 | register struct gettynums *np; | |
103 | register struct gettyflags *fp; | |
104 | ||
105 | for (sp = gettystrs; sp->field; sp++) | |
106 | if (!sp->value) | |
107 | sp->value = sp->defalt; | |
108 | for (np = gettynums; np->field; np++) | |
109 | if (!np->set) | |
110 | np->value = np->defalt; | |
111 | for (fp = gettyflags; fp->field; fp++) | |
112 | if (!fp->set) | |
113 | fp->value = fp->defalt; | |
114 | } | |
115 | ||
116 | static char ** | |
117 | charnames[] = { | |
118 | &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK, | |
119 | &SU, &DS, &RP, &FL, &WE, &LN, 0 | |
120 | }; | |
121 | ||
122 | static char * | |
123 | charvars[] = { | |
124 | &tmode.sg_erase, &tmode.sg_kill, &tc.t_intrc, | |
125 | &tc.t_quitc, &tc.t_startc, &tc.t_stopc, | |
126 | &tc.t_eofc, &tc.t_brkc, <c.t_suspc, | |
127 | <c.t_dsuspc, <c.t_rprntc, <c.t_flushc, | |
128 | <c.t_werasc, <c.t_lnextc, 0 | |
129 | }; | |
130 | ||
34129485 | 131 | void |
3eea9327 SL |
132 | setchars() |
133 | { | |
134 | register int i; | |
135 | register char *p; | |
136 | ||
137 | for (i = 0; charnames[i]; i++) { | |
138 | p = *charnames[i]; | |
139 | if (p && *p) | |
140 | *charvars[i] = *p; | |
141 | else | |
4eaf53e2 | 142 | *charvars[i] = '\377'; |
3eea9327 SL |
143 | } |
144 | } | |
145 | ||
146 | long | |
147 | setflags(n) | |
34129485 | 148 | int n; |
3eea9327 SL |
149 | { |
150 | register long f; | |
151 | ||
152 | switch (n) { | |
153 | case 0: | |
154 | if (F0set) | |
155 | return(F0); | |
156 | break; | |
157 | case 1: | |
158 | if (F1set) | |
159 | return(F1); | |
160 | break; | |
161 | default: | |
162 | if (F2set) | |
163 | return(F2); | |
164 | break; | |
165 | } | |
166 | ||
167 | f = 0; | |
168 | ||
169 | if (AP) | |
170 | f |= ANYP; | |
171 | else if (OP) | |
172 | f |= ODDP; | |
173 | else if (EP) | |
174 | f |= EVENP; | |
175 | ||
176 | if (UC) | |
177 | f |= LCASE; | |
178 | ||
179 | if (NL) | |
180 | f |= CRMOD; | |
181 | ||
182 | f |= delaybits(); | |
183 | ||
184 | if (n == 1) { /* read mode flags */ | |
185 | if (RW) | |
186 | f |= RAW; | |
187 | else | |
188 | f |= CBREAK; | |
189 | return (f); | |
190 | } | |
191 | ||
192 | if (!HT) | |
193 | f |= XTABS; | |
194 | ||
195 | if (n == 0) | |
196 | return (f); | |
197 | ||
198 | if (CB) | |
199 | f |= CRTBS; | |
200 | ||
201 | if (CE) | |
202 | f |= CRTERA; | |
203 | ||
7f170415 RC |
204 | if (CK) |
205 | f |= CRTKIL; | |
206 | ||
3eea9327 SL |
207 | if (PE) |
208 | f |= PRTERA; | |
209 | ||
210 | if (EC) | |
211 | f |= ECHO; | |
212 | ||
213 | if (XC) | |
214 | f |= CTLECH; | |
215 | ||
e5943133 KM |
216 | if (DX) |
217 | f |= DECCTQ; | |
218 | ||
3eea9327 SL |
219 | return (f); |
220 | } | |
221 | ||
222 | struct delayval { | |
223 | unsigned delay; /* delay in ms */ | |
224 | int bits; | |
225 | }; | |
226 | ||
227 | /* | |
228 | * below are random guesses, I can't be bothered checking | |
229 | */ | |
230 | ||
231 | struct delayval crdelay[] = { | |
34129485 KB |
232 | { 1, CR1 }, |
233 | { 2, CR2 }, | |
234 | { 3, CR3 }, | |
235 | { 83, CR1 }, | |
236 | { 166, CR2 }, | |
237 | { 0, CR3 }, | |
3eea9327 SL |
238 | }; |
239 | ||
240 | struct delayval nldelay[] = { | |
34129485 KB |
241 | { 1, NL1 }, /* special, calculated */ |
242 | { 2, NL2 }, | |
243 | { 3, NL3 }, | |
244 | { 100, NL2 }, | |
245 | { 0, NL3 }, | |
3eea9327 SL |
246 | }; |
247 | ||
248 | struct delayval bsdelay[] = { | |
34129485 KB |
249 | { 1, BS1 }, |
250 | { 0, 0 }, | |
3eea9327 SL |
251 | }; |
252 | ||
253 | struct delayval ffdelay[] = { | |
34129485 KB |
254 | { 1, FF1 }, |
255 | { 1750, FF1 }, | |
256 | { 0, FF1 }, | |
3eea9327 SL |
257 | }; |
258 | ||
259 | struct delayval tbdelay[] = { | |
34129485 KB |
260 | { 1, TAB1 }, |
261 | { 2, TAB2 }, | |
262 | { 3, XTABS }, /* this is expand tabs */ | |
263 | { 100, TAB1 }, | |
264 | { 0, TAB2 }, | |
3eea9327 SL |
265 | }; |
266 | ||
34129485 | 267 | int |
3eea9327 SL |
268 | delaybits() |
269 | { | |
34129485 | 270 | register int f; |
3eea9327 SL |
271 | |
272 | f = adelay(CD, crdelay); | |
273 | f |= adelay(ND, nldelay); | |
274 | f |= adelay(FD, ffdelay); | |
275 | f |= adelay(TD, tbdelay); | |
276 | f |= adelay(BD, bsdelay); | |
277 | return (f); | |
278 | } | |
279 | ||
34129485 | 280 | int |
3eea9327 SL |
281 | adelay(ms, dp) |
282 | register ms; | |
283 | register struct delayval *dp; | |
284 | { | |
285 | if (ms == 0) | |
286 | return (0); | |
287 | while (dp->delay && ms > dp->delay) | |
288 | dp++; | |
289 | return (dp->bits); | |
290 | } | |
291 | ||
292 | char editedhost[32]; | |
293 | ||
34129485 | 294 | void |
3eea9327 SL |
295 | edithost(pat) |
296 | register char *pat; | |
297 | { | |
298 | register char *host = HN; | |
299 | register char *res = editedhost; | |
300 | ||
301 | if (!pat) | |
302 | pat = ""; | |
303 | while (*pat) { | |
304 | switch (*pat) { | |
305 | ||
306 | case '#': | |
307 | if (*host) | |
308 | host++; | |
309 | break; | |
310 | ||
311 | case '@': | |
312 | if (*host) | |
313 | *res++ = *host++; | |
314 | break; | |
315 | ||
316 | default: | |
317 | *res++ = *pat; | |
318 | break; | |
319 | ||
320 | } | |
321 | if (res == &editedhost[sizeof editedhost - 1]) { | |
322 | *res = '\0'; | |
323 | return; | |
324 | } | |
325 | pat++; | |
326 | } | |
327 | if (*host) | |
328 | strncpy(res, host, sizeof editedhost - (res - editedhost) - 1); | |
329 | else | |
330 | *res = '\0'; | |
331 | editedhost[sizeof editedhost - 1] = '\0'; | |
332 | } | |
333 | ||
334 | struct speedtab { | |
335 | int speed; | |
336 | int uxname; | |
337 | } speedtab[] = { | |
34129485 KB |
338 | { 50, B50 }, |
339 | { 75, B75 }, | |
340 | { 110, B110 }, | |
341 | { 134, B134 }, | |
342 | { 150, B150 }, | |
343 | { 200, B200 }, | |
344 | { 300, B300 }, | |
345 | { 600, B600 }, | |
346 | { 1200, B1200 }, | |
347 | { 1800, B1800 }, | |
348 | { 2400, B2400 }, | |
349 | { 4800, B4800 }, | |
350 | { 9600, B9600 }, | |
351 | { 19200, EXTA }, | |
352 | { 19, EXTA }, /* for people who say 19.2K */ | |
353 | { 38400, EXTB }, | |
354 | { 38, EXTB }, | |
355 | { 7200, EXTB }, /* alternative */ | |
356 | { 0 } | |
3eea9327 SL |
357 | }; |
358 | ||
34129485 | 359 | int |
3eea9327 | 360 | speed(val) |
34129485 | 361 | int val; |
3eea9327 SL |
362 | { |
363 | register struct speedtab *sp; | |
364 | ||
365 | if (val <= 15) | |
ec2b493d | 366 | return (val); |
3eea9327 SL |
367 | |
368 | for (sp = speedtab; sp->speed; sp++) | |
369 | if (sp->speed == val) | |
370 | return (sp->uxname); | |
371 | ||
372 | return (B300); /* default in impossible cases */ | |
373 | } | |
374 | ||
34129485 | 375 | void |
3eea9327 SL |
376 | makeenv(env) |
377 | char *env[]; | |
378 | { | |
379 | static char termbuf[128] = "TERM="; | |
380 | register char *p, *q; | |
381 | register char **ep; | |
3eea9327 SL |
382 | |
383 | ep = env; | |
384 | if (TT && *TT) { | |
385 | strcat(termbuf, TT); | |
386 | *ep++ = termbuf; | |
387 | } | |
388 | if (p = EV) { | |
389 | q = p; | |
34129485 | 390 | while (q = strchr(q, ',')) { |
3eea9327 SL |
391 | *q++ = '\0'; |
392 | *ep++ = p; | |
393 | p = q; | |
394 | } | |
395 | if (*p) | |
396 | *ep++ = p; | |
397 | } | |
398 | *ep = (char *)0; | |
399 | } | |
400 | ||
401 | /* | |
402 | * This speed select mechanism is written for the Develcon DATASWITCH. | |
403 | * The Develcon sends a string of the form "B{speed}\n" at a predefined | |
404 | * baud rate. This string indicates the user's actual speed. | |
405 | * The routine below returns the terminal type mapped from derived speed. | |
406 | */ | |
407 | struct portselect { | |
408 | char *ps_baud; | |
409 | char *ps_type; | |
410 | } portspeeds[] = { | |
411 | { "B110", "std.110" }, | |
412 | { "B134", "std.134" }, | |
413 | { "B150", "std.150" }, | |
414 | { "B300", "std.300" }, | |
415 | { "B600", "std.600" }, | |
416 | { "B1200", "std.1200" }, | |
417 | { "B2400", "std.2400" }, | |
418 | { "B4800", "std.4800" }, | |
419 | { "B9600", "std.9600" }, | |
84e05cce | 420 | { "B19200", "std.19200" }, |
3eea9327 SL |
421 | { 0 } |
422 | }; | |
423 | ||
424 | char * | |
425 | portselector() | |
426 | { | |
427 | char c, baud[20], *type = "default"; | |
428 | register struct portselect *ps; | |
429 | int len; | |
430 | ||
431 | alarm(5*60); | |
432 | for (len = 0; len < sizeof (baud) - 1; len++) { | |
897c1d4e | 433 | if (read(STDIN_FILENO, &c, 1) <= 0) |
3eea9327 SL |
434 | break; |
435 | c &= 0177; | |
436 | if (c == '\n' || c == '\r') | |
437 | break; | |
438 | if (c == 'B') | |
439 | len = 0; /* in case of leading garbage */ | |
440 | baud[len] = c; | |
441 | } | |
442 | baud[len] = '\0'; | |
443 | for (ps = portspeeds; ps->ps_baud; ps++) | |
444 | if (strcmp(ps->ps_baud, baud) == 0) { | |
445 | type = ps->ps_type; | |
446 | break; | |
447 | } | |
448 | sleep(2); /* wait for connection to complete */ | |
449 | return (type); | |
450 | } | |
ec2b493d RC |
451 | |
452 | /* | |
453 | * This auto-baud speed select mechanism is written for the Micom 600 | |
454 | * portselector. Selection is done by looking at how the character '\r' | |
455 | * is garbled at the different speeds. | |
456 | */ | |
457 | #include <sys/time.h> | |
458 | ||
459 | char * | |
460 | autobaud() | |
461 | { | |
462 | int rfds; | |
463 | struct timeval timeout; | |
464 | char c, *type = "9600-baud"; | |
465 | int null = 0; | |
466 | ||
467 | ioctl(0, TIOCFLUSH, &null); | |
468 | rfds = 1 << 0; | |
469 | timeout.tv_sec = 5; | |
470 | timeout.tv_usec = 0; | |
3d35c7ff KB |
471 | if (select(32, (fd_set *)&rfds, (fd_set *)NULL, |
472 | (fd_set *)NULL, &timeout) <= 0) | |
ec2b493d | 473 | return (type); |
897c1d4e | 474 | if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char)) |
ec2b493d RC |
475 | return (type); |
476 | timeout.tv_sec = 0; | |
477 | timeout.tv_usec = 20; | |
3d35c7ff KB |
478 | (void) select(32, (fd_set *)NULL, (fd_set *)NULL, |
479 | (fd_set *)NULL, &timeout); | |
ec2b493d RC |
480 | ioctl(0, TIOCFLUSH, &null); |
481 | switch (c & 0377) { | |
482 | ||
483 | case 0200: /* 300-baud */ | |
484 | type = "300-baud"; | |
485 | break; | |
486 | ||
487 | case 0346: /* 1200-baud */ | |
488 | type = "1200-baud"; | |
489 | break; | |
490 | ||
491 | case 015: /* 2400-baud */ | |
492 | case 0215: | |
493 | type = "2400-baud"; | |
494 | break; | |
495 | ||
496 | default: /* 4800-baud */ | |
497 | type = "4800-baud"; | |
498 | break; | |
499 | ||
500 | case 0377: /* 9600-baud */ | |
501 | type = "9600-baud"; | |
502 | break; | |
503 | } | |
504 | return (type); | |
505 | } |