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897ce52e KB |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
4a8a7128 | 5 | * %sccs.include.redist.c% |
897ce52e KB |
6 | */ |
7 | ||
8 | #ifndef lint | |
6e549b07 | 9 | static char sccsid[] = "@(#)utilities.c 5.4 (Berkeley) %G%"; |
897ce52e KB |
10 | #endif /* not lint */ |
11 | ||
788caa15 | 12 | #define TELOPTS |
6055a9f6 | 13 | #define TELCMDS |
15d31b7e | 14 | #define SLC_NAMES |
788caa15 | 15 | #include <arpa/telnet.h> |
115a5494 | 16 | #include <sys/types.h> |
4a8a7128 | 17 | #include <sys/time.h> |
788caa15 GM |
18 | |
19 | #include <ctype.h> | |
20 | ||
2dde2af0 GM |
21 | #include "general.h" |
22 | ||
6d0564c5 GM |
23 | #include "fdset.h" |
24 | ||
115a5494 GM |
25 | #include "ring.h" |
26 | ||
cf9305fa GM |
27 | #include "defines.h" |
28 | ||
788caa15 GM |
29 | #include "externs.h" |
30 | ||
31 | FILE *NetTrace = 0; /* Not in bss, since needs to stay */ | |
6055a9f6 | 32 | int prettydump; |
788caa15 GM |
33 | |
34 | /* | |
35 | * upcase() | |
36 | * | |
37 | * Upcase (in place) the argument. | |
38 | */ | |
39 | ||
15d31b7e | 40 | void |
788caa15 | 41 | upcase(argument) |
15d31b7e | 42 | register char *argument; |
788caa15 GM |
43 | { |
44 | register int c; | |
45 | ||
46 | while ((c = *argument) != 0) { | |
47 | if (islower(c)) { | |
48 | *argument = toupper(c); | |
49 | } | |
50 | argument++; | |
51 | } | |
52 | } | |
53 | ||
54 | /* | |
55 | * SetSockOpt() | |
56 | * | |
57 | * Compensate for differences in 4.2 and 4.3 systems. | |
58 | */ | |
59 | ||
15d31b7e | 60 | int |
788caa15 | 61 | SetSockOpt(fd, level, option, yesno) |
15d31b7e | 62 | int fd, level, option, yesno; |
788caa15 GM |
63 | { |
64 | #ifndef NOT43 | |
65 | return setsockopt(fd, level, option, | |
66 | (char *)&yesno, sizeof yesno); | |
67 | #else /* NOT43 */ | |
68 | if (yesno == 0) { /* Can't do that in 4.2! */ | |
69 | fprintf(stderr, "Error: attempt to turn off an option 0x%x.\n", | |
70 | option); | |
71 | return -1; | |
72 | } | |
73 | return setsockopt(fd, level, option, 0, 0); | |
74 | #endif /* NOT43 */ | |
75 | } | |
76 | \f | |
77 | /* | |
78 | * The following are routines used to print out debugging information. | |
79 | */ | |
80 | ||
7daa10bf | 81 | unsigned char NetTraceFile[256] = "(standard output)"; |
6055a9f6 | 82 | |
15d31b7e | 83 | void |
6055a9f6 | 84 | SetNetTrace(file) |
15d31b7e | 85 | register char *file; |
6055a9f6 PB |
86 | { |
87 | if (NetTrace && NetTrace != stdout) | |
88 | fclose(NetTrace); | |
89 | if (file && (strcmp(file, "-") != 0)) { | |
90 | NetTrace = fopen(file, "w"); | |
91 | if (NetTrace) { | |
15d31b7e | 92 | strcpy((char *)NetTraceFile, file); |
6055a9f6 PB |
93 | return; |
94 | } | |
95 | fprintf(stderr, "Cannot open %s.\n", file); | |
96 | } | |
97 | NetTrace = stdout; | |
15d31b7e | 98 | strcpy((char *)NetTraceFile, "(standard output)"); |
6055a9f6 | 99 | } |
788caa15 | 100 | |
15d31b7e | 101 | void |
788caa15 | 102 | Dump(direction, buffer, length) |
15d31b7e DB |
103 | char direction; |
104 | unsigned char *buffer; | |
105 | int length; | |
788caa15 GM |
106 | { |
107 | # define BYTES_PER_LINE 32 | |
108 | # define min(x,y) ((x<y)? x:y) | |
15d31b7e | 109 | unsigned char *pThis; |
788caa15 | 110 | int offset; |
6055a9f6 | 111 | extern pettydump; |
788caa15 GM |
112 | |
113 | offset = 0; | |
114 | ||
115 | while (length) { | |
116 | /* print one line */ | |
117 | fprintf(NetTrace, "%c 0x%x\t", direction, offset); | |
118 | pThis = buffer; | |
6055a9f6 | 119 | if (prettydump) { |
6570c863 | 120 | buffer = buffer + min(length, BYTES_PER_LINE/2); |
6055a9f6 PB |
121 | while (pThis < buffer) { |
122 | fprintf(NetTrace, "%c%.2x", | |
123 | (((*pThis)&0xff) == 0xff) ? '*' : ' ', | |
124 | (*pThis)&0xff); | |
125 | pThis++; | |
126 | } | |
6570c863 PB |
127 | length -= BYTES_PER_LINE/2; |
128 | offset += BYTES_PER_LINE/2; | |
6055a9f6 | 129 | } else { |
6570c863 | 130 | buffer = buffer + min(length, BYTES_PER_LINE); |
6055a9f6 PB |
131 | while (pThis < buffer) { |
132 | fprintf(NetTrace, "%.2x", (*pThis)&0xff); | |
133 | pThis++; | |
134 | } | |
6570c863 PB |
135 | length -= BYTES_PER_LINE; |
136 | offset += BYTES_PER_LINE; | |
788caa15 | 137 | } |
32d22a68 | 138 | if (NetTrace == stdout) { |
32d22a68 | 139 | fprintf(NetTrace, "\r\n"); |
6b5250cf GM |
140 | } else { |
141 | fprintf(NetTrace, "\n"); | |
32d22a68 | 142 | } |
788caa15 | 143 | if (length < 0) { |
e3f3aa94 | 144 | fflush(NetTrace); |
788caa15 GM |
145 | return; |
146 | } | |
147 | /* find next unique line */ | |
148 | } | |
e3f3aa94 | 149 | fflush(NetTrace); |
788caa15 GM |
150 | } |
151 | ||
152 | ||
15d31b7e DB |
153 | void |
154 | printoption(direction, cmd, option) | |
155 | char *direction; | |
156 | int cmd, option; | |
788caa15 GM |
157 | { |
158 | if (!showoptions) | |
159 | return; | |
15d31b7e DB |
160 | if (cmd == IAC) { |
161 | if (TELCMD_OK(option)) | |
162 | fprintf(NetTrace, "%s IAC %s", direction, TELCMD(option)); | |
163 | else | |
164 | fprintf(NetTrace, "%s IAC %d", direction, option); | |
165 | } else { | |
166 | register char *fmt; | |
167 | fmt = (cmd == WILL) ? "WILL" : (cmd == WONT) ? "WONT" : | |
168 | (cmd == DO) ? "DO" : (cmd == DONT) ? "DONT" : 0; | |
169 | if (fmt) { | |
170 | fprintf(NetTrace, "%s %s ", direction, fmt); | |
171 | if (TELOPT_OK(option)) | |
172 | fprintf(NetTrace, "%s", TELOPT(option)); | |
173 | else if (option == TELOPT_EXOPL) | |
174 | fprintf(NetTrace, "EXOPL"); | |
175 | else | |
176 | fprintf(NetTrace, "%d", option); | |
177 | } else | |
178 | fprintf(NetTrace, "%s %d %d", direction, cmd, option); | |
179 | } | |
6055a9f6 | 180 | if (NetTrace == stdout) |
32d22a68 | 181 | fprintf(NetTrace, "\r\n"); |
6055a9f6 | 182 | else |
32d22a68 | 183 | fprintf(NetTrace, "\n"); |
32d22a68 | 184 | return; |
788caa15 GM |
185 | } |
186 | ||
15d31b7e | 187 | void |
6055a9f6 PB |
188 | optionstatus() |
189 | { | |
190 | register int i; | |
191 | extern char will_wont_resp[], do_dont_resp[]; | |
192 | ||
193 | for (i = 0; i < 256; i++) { | |
194 | if (do_dont_resp[i]) { | |
195 | if (TELOPT_OK(i)) | |
196 | printf("resp DO_DONT %s: %d\n", TELOPT(i), do_dont_resp[i]); | |
197 | else if (TELCMD_OK(i)) | |
198 | printf("resp DO_DONT %s: %d\n", TELCMD(i), do_dont_resp[i]); | |
199 | else | |
200 | printf("resp DO_DONT %d: %d\n", i, | |
201 | do_dont_resp[i]); | |
202 | if (my_want_state_is_do(i)) { | |
203 | if (TELOPT_OK(i)) | |
204 | printf("want DO %s\n", TELOPT(i)); | |
205 | else if (TELCMD_OK(i)) | |
206 | printf("want DO %s\n", TELCMD(i)); | |
207 | else | |
208 | printf("want DO %d\n", i); | |
209 | } else { | |
210 | if (TELOPT_OK(i)) | |
211 | printf("want DONT %s\n", TELOPT(i)); | |
212 | else if (TELCMD_OK(i)) | |
213 | printf("want DONT %s\n", TELCMD(i)); | |
214 | else | |
215 | printf("want DONT %d\n", i); | |
216 | } | |
217 | } else { | |
218 | if (my_state_is_do(i)) { | |
219 | if (TELOPT_OK(i)) | |
220 | printf(" DO %s\n", TELOPT(i)); | |
221 | else if (TELCMD_OK(i)) | |
222 | printf(" DO %s\n", TELCMD(i)); | |
223 | else | |
224 | printf(" DO %d\n", i); | |
225 | } | |
226 | } | |
227 | if (will_wont_resp[i]) { | |
228 | if (TELOPT_OK(i)) | |
229 | printf("resp WILL_WONT %s: %d\n", TELOPT(i), will_wont_resp[i]); | |
230 | else if (TELCMD_OK(i)) | |
231 | printf("resp WILL_WONT %s: %d\n", TELCMD(i), will_wont_resp[i]); | |
232 | else | |
233 | printf("resp WILL_WONT %d: %d\n", | |
234 | i, will_wont_resp[i]); | |
235 | if (my_want_state_is_will(i)) { | |
236 | if (TELOPT_OK(i)) | |
237 | printf("want WILL %s\n", TELOPT(i)); | |
238 | else if (TELCMD_OK(i)) | |
239 | printf("want WILL %s\n", TELCMD(i)); | |
240 | else | |
241 | printf("want WILL %d\n", i); | |
242 | } else { | |
243 | if (TELOPT_OK(i)) | |
244 | printf("want WONT %s\n", TELOPT(i)); | |
245 | else if (TELCMD_OK(i)) | |
246 | printf("want WONT %s\n", TELCMD(i)); | |
247 | else | |
248 | printf("want WONT %d\n", i); | |
249 | } | |
250 | } else { | |
251 | if (my_state_is_will(i)) { | |
252 | if (TELOPT_OK(i)) | |
253 | printf(" WILL %s\n", TELOPT(i)); | |
254 | else if (TELCMD_OK(i)) | |
255 | printf(" WILL %s\n", TELCMD(i)); | |
256 | else | |
257 | printf(" WILL %d\n", i); | |
258 | } | |
259 | } | |
260 | } | |
261 | ||
262 | } | |
263 | ||
15d31b7e | 264 | void |
788caa15 | 265 | printsub(direction, pointer, length) |
15d31b7e DB |
266 | char direction; /* '<' or '>' */ |
267 | unsigned char *pointer; /* where suboption data sits */ | |
268 | int length; /* length of suboption data */ | |
788caa15 | 269 | { |
6055a9f6 | 270 | register int i; |
b7c8f459 | 271 | char buf[512]; |
15d31b7e | 272 | extern int want_status_response; |
6055a9f6 | 273 | |
15d31b7e DB |
274 | if (showoptions || direction == 0 || |
275 | (want_status_response && (pointer[0] == TELOPT_STATUS))) { | |
6570c863 | 276 | if (direction) { |
15d31b7e DB |
277 | fprintf(NetTrace, "%s IAC SB ", |
278 | (direction == '<')? "RCVD":"SENT"); | |
6570c863 PB |
279 | if (length >= 3) { |
280 | register int j; | |
281 | ||
282 | i = pointer[length-2]; | |
283 | j = pointer[length-1]; | |
284 | ||
285 | if (i != IAC || j != SE) { | |
286 | fprintf(NetTrace, "(terminated by "); | |
287 | if (TELOPT_OK(i)) | |
288 | fprintf(NetTrace, "%s ", TELOPT(i)); | |
289 | else if (TELCMD_OK(i)) | |
290 | fprintf(NetTrace, "%s ", TELCMD(i)); | |
291 | else | |
292 | fprintf(NetTrace, "%d ", i); | |
293 | if (TELOPT_OK(j)) | |
294 | fprintf(NetTrace, "%s", TELOPT(j)); | |
295 | else if (TELCMD_OK(j)) | |
296 | fprintf(NetTrace, "%s", TELCMD(j)); | |
297 | else | |
298 | fprintf(NetTrace, "%d", j); | |
299 | fprintf(NetTrace, ", not IAC SE!) "); | |
300 | } | |
6055a9f6 | 301 | } |
6570c863 | 302 | length -= 2; |
6055a9f6 | 303 | } |
6055a9f6 PB |
304 | if (length < 1) { |
305 | fprintf(NetTrace, "(Empty suboption???)"); | |
306 | return; | |
307 | } | |
788caa15 GM |
308 | switch (pointer[0]) { |
309 | case TELOPT_TTYPE: | |
6055a9f6 | 310 | fprintf(NetTrace, "TERMINAL-TYPE "); |
788caa15 GM |
311 | switch (pointer[1]) { |
312 | case TELQUAL_IS: | |
4a8a7128 | 313 | fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2); |
788caa15 GM |
314 | break; |
315 | case TELQUAL_SEND: | |
6055a9f6 | 316 | fprintf(NetTrace, "SEND"); |
788caa15 GM |
317 | break; |
318 | default: | |
319 | fprintf(NetTrace, | |
6055a9f6 | 320 | "- unknown qualifier %d (0x%x).", |
80a47e22 | 321 | pointer[1], pointer[1]); |
788caa15 GM |
322 | } |
323 | break; | |
6055a9f6 PB |
324 | case TELOPT_TSPEED: |
325 | fprintf(NetTrace, "TERMINAL-SPEED"); | |
326 | if (length < 2) { | |
327 | fprintf(NetTrace, " (empty suboption???)"); | |
328 | break; | |
329 | } | |
330 | switch (pointer[1]) { | |
6570c863 | 331 | case TELQUAL_IS: |
6055a9f6 | 332 | fprintf(NetTrace, " IS "); |
4a8a7128 | 333 | fprintf(NetTrace, "%.*s", length-2, (char *)pointer+2); |
6055a9f6 PB |
334 | break; |
335 | default: | |
336 | if (pointer[1] == 1) | |
337 | fprintf(NetTrace, " SEND"); | |
338 | else | |
4a8a7128 | 339 | fprintf(NetTrace, " %d (unknown)", pointer[1]); |
6055a9f6 PB |
340 | for (i = 2; i < length; i++) |
341 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
342 | break; | |
343 | } | |
344 | break; | |
345 | ||
346 | case TELOPT_LFLOW: | |
347 | fprintf(NetTrace, "TOGGLE-FLOW-CONTROL"); | |
348 | if (length < 2) { | |
349 | fprintf(NetTrace, " (empty suboption???)"); | |
350 | break; | |
351 | } | |
352 | switch (pointer[1]) { | |
353 | case 0: | |
354 | fprintf(NetTrace, " OFF"); break; | |
355 | case 1: | |
356 | fprintf(NetTrace, " ON"); break; | |
357 | default: | |
4a8a7128 | 358 | fprintf(NetTrace, " %d (unknown)", pointer[1]); |
6055a9f6 PB |
359 | } |
360 | for (i = 2; i < length; i++) | |
361 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
362 | break; | |
363 | ||
364 | case TELOPT_NAWS: | |
365 | fprintf(NetTrace, "NAWS"); | |
366 | if (length < 2) { | |
367 | fprintf(NetTrace, " (empty suboption???)"); | |
368 | break; | |
369 | } | |
370 | if (length == 2) { | |
371 | fprintf(NetTrace, " ?%d?", pointer[1]); | |
372 | break; | |
373 | } | |
374 | fprintf(NetTrace, " %d %d (%d)", | |
375 | pointer[1], pointer[2], | |
4a8a7128 | 376 | (int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2]))); |
6055a9f6 PB |
377 | if (length == 4) { |
378 | fprintf(NetTrace, " ?%d?", pointer[3]); | |
379 | break; | |
380 | } | |
381 | fprintf(NetTrace, " %d %d (%d)", | |
382 | pointer[3], pointer[4], | |
4a8a7128 | 383 | (int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4]))); |
6055a9f6 PB |
384 | for (i = 5; i < length; i++) |
385 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
386 | break; | |
387 | ||
15d31b7e | 388 | #if defined(AUTHENTICATE) |
4d09a147 | 389 | case TELOPT_AUTHENTICATION: |
15d31b7e DB |
390 | fprintf(NetTrace, "AUTHENTICATION"); |
391 | if (length < 2) { | |
392 | fprintf(NetTrace, " (empty suboption???)"); | |
393 | break; | |
394 | } | |
4d09a147 | 395 | switch (pointer[1]) { |
15d31b7e | 396 | case TELQUAL_REPLY: |
4d09a147 | 397 | case TELQUAL_IS: |
15d31b7e DB |
398 | fprintf(NetTrace, " %s ", (pointer[1] == TELQUAL_IS) ? |
399 | "IS" : "REPLY"); | |
400 | if (AUTHTYPE_NAME_OK(pointer[2])) | |
401 | fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[2])); | |
402 | else | |
403 | fprintf(NetTrace, "%d ", pointer[2]); | |
404 | if (length < 3) { | |
405 | fprintf(NetTrace, "(partial suboption???)"); | |
406 | break; | |
407 | } | |
408 | fprintf(NetTrace, "%s|%s", | |
b7c8f459 | 409 | ((pointer[3] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ? |
15d31b7e | 410 | "CLIENT" : "SERVER", |
b7c8f459 | 411 | ((pointer[3] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ? |
15d31b7e DB |
412 | "MUTUAL" : "ONE-WAY"); |
413 | ||
414 | auth_printsub(&pointer[1], length - 1, buf, sizeof(buf)); | |
415 | fprintf(NetTrace, "%s", buf); | |
416 | break; | |
4d09a147 | 417 | |
15d31b7e DB |
418 | case TELQUAL_SEND: |
419 | i = 2; | |
420 | fprintf(NetTrace, " SEND "); | |
421 | while (i < length) { | |
422 | if (AUTHTYPE_NAME_OK(pointer[i])) | |
423 | fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[i])); | |
424 | else | |
425 | fprintf(NetTrace, "%d ", pointer[i]); | |
426 | if (++i >= length) { | |
427 | fprintf(NetTrace, "(partial suboption???)"); | |
4d09a147 | 428 | break; |
15d31b7e DB |
429 | } |
430 | fprintf(NetTrace, "%s|%s ", | |
b7c8f459 | 431 | ((pointer[i] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ? |
15d31b7e | 432 | "CLIENT" : "SERVER", |
b7c8f459 | 433 | ((pointer[i] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ? |
15d31b7e DB |
434 | "MUTUAL" : "ONE-WAY"); |
435 | ++i; | |
4d09a147 | 436 | } |
15d31b7e | 437 | break; |
4d09a147 | 438 | |
b7c8f459 DB |
439 | case TELQUAL_NAME: |
440 | i = 2; | |
441 | fprintf(NetTrace, " NAME \""); | |
442 | while (i < length) | |
443 | putc(pointer[i++], NetTrace); | |
444 | putc('"', NetTrace); | |
445 | break; | |
446 | ||
15d31b7e DB |
447 | default: |
448 | for (i = 2; i < length; i++) | |
449 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
450 | break; | |
4d09a147 | 451 | } |
15d31b7e DB |
452 | break; |
453 | #endif | |
454 | ||
455 | #if defined(ENCRYPT) | |
456 | case TELOPT_ENCRYPT: | |
457 | fprintf(NetTrace, "ENCRYPT"); | |
458 | if (length < 2) { | |
459 | fprintf(NetTrace, " (empty suboption???)"); | |
460 | break; | |
461 | } | |
462 | switch (pointer[1]) { | |
463 | case ENCRYPT_START: | |
464 | fprintf(NetTrace, " START"); | |
465 | break; | |
466 | ||
467 | case ENCRYPT_END: | |
468 | fprintf(NetTrace, " END"); | |
469 | break; | |
470 | ||
471 | case ENCRYPT_REQSTART: | |
472 | fprintf(NetTrace, " REQUEST-START"); | |
473 | break; | |
474 | ||
475 | case ENCRYPT_REQEND: | |
476 | fprintf(NetTrace, " REQUEST-END"); | |
477 | break; | |
478 | ||
479 | case ENCRYPT_IS: | |
480 | case ENCRYPT_REPLY: | |
481 | fprintf(NetTrace, " %s ", (pointer[1] == ENCRYPT_IS) ? | |
482 | "IS" : "REPLY"); | |
483 | if (length < 3) { | |
484 | fprintf(NetTrace, " (partial suboption???)"); | |
485 | break; | |
486 | } | |
487 | if (ENCTYPE_NAME_OK(pointer[2])) | |
488 | fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[2])); | |
489 | else | |
490 | fprintf(NetTrace, " %d (unknown)", pointer[2]); | |
491 | ||
492 | encrypt_printsub(&pointer[1], length - 1, buf, sizeof(buf)); | |
493 | fprintf(NetTrace, "%s", buf); | |
494 | break; | |
495 | ||
496 | case ENCRYPT_SUPPORT: | |
497 | i = 2; | |
498 | fprintf(NetTrace, " SUPPORT "); | |
499 | while (i < length) { | |
500 | if (ENCTYPE_NAME_OK(pointer[i])) | |
501 | fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[i])); | |
502 | else | |
503 | fprintf(NetTrace, "%d ", pointer[i]); | |
504 | i++; | |
505 | } | |
4d09a147 KF |
506 | break; |
507 | ||
b7c8f459 DB |
508 | case ENCRYPT_ENC_KEYID: |
509 | fprintf(NetTrace, " ENC_KEYID "); | |
510 | goto encommon; | |
511 | ||
512 | case ENCRYPT_DEC_KEYID: | |
513 | fprintf(NetTrace, " DEC_KEYID "); | |
514 | goto encommon; | |
515 | ||
4d09a147 | 516 | default: |
b7c8f459 DB |
517 | fprintf(NetTrace, " %d (unknown)", pointer[1]); |
518 | encommon: | |
15d31b7e DB |
519 | for (i = 2; i < length; i++) |
520 | fprintf(NetTrace, " %d", pointer[i]); | |
521 | break; | |
4d09a147 KF |
522 | } |
523 | break; | |
15d31b7e | 524 | #endif |
4d09a147 | 525 | |
6055a9f6 PB |
526 | case TELOPT_LINEMODE: |
527 | fprintf(NetTrace, "LINEMODE "); | |
528 | if (length < 2) { | |
529 | fprintf(NetTrace, " (empty suboption???)"); | |
530 | break; | |
531 | } | |
532 | switch (pointer[1]) { | |
533 | case WILL: | |
534 | fprintf(NetTrace, "WILL "); | |
535 | goto common; | |
536 | case WONT: | |
537 | fprintf(NetTrace, "WONT "); | |
538 | goto common; | |
539 | case DO: | |
540 | fprintf(NetTrace, "DO "); | |
541 | goto common; | |
542 | case DONT: | |
543 | fprintf(NetTrace, "DONT "); | |
544 | common: | |
545 | if (length < 3) { | |
546 | fprintf(NetTrace, "(no option???)"); | |
547 | break; | |
548 | } | |
549 | switch (pointer[2]) { | |
550 | case LM_FORWARDMASK: | |
551 | fprintf(NetTrace, "Forward Mask"); | |
552 | for (i = 3; i < length; i++) | |
553 | fprintf(NetTrace, " %x", pointer[i]); | |
554 | break; | |
555 | default: | |
556 | fprintf(NetTrace, "%d (unknown)", pointer[2]); | |
557 | for (i = 3; i < length; i++) | |
558 | fprintf(NetTrace, " %d", pointer[i]); | |
559 | break; | |
560 | } | |
561 | break; | |
562 | ||
563 | case LM_SLC: | |
564 | fprintf(NetTrace, "SLC"); | |
565 | for (i = 2; i < length - 2; i += 3) { | |
15d31b7e DB |
566 | if (SLC_NAME_OK(pointer[i+SLC_FUNC])) |
567 | fprintf(NetTrace, " %s", SLC_NAME(pointer[i+SLC_FUNC])); | |
6055a9f6 PB |
568 | else |
569 | fprintf(NetTrace, " %d", pointer[i+SLC_FUNC]); | |
570 | switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) { | |
571 | case SLC_NOSUPPORT: | |
572 | fprintf(NetTrace, " NOSUPPORT"); break; | |
573 | case SLC_CANTCHANGE: | |
574 | fprintf(NetTrace, " CANTCHANGE"); break; | |
575 | case SLC_VARIABLE: | |
576 | fprintf(NetTrace, " VARIABLE"); break; | |
577 | case SLC_DEFAULT: | |
578 | fprintf(NetTrace, " DEFAULT"); break; | |
579 | } | |
580 | fprintf(NetTrace, "%s%s%s", | |
581 | pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "", | |
582 | pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "", | |
583 | pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : ""); | |
584 | if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN| | |
585 | SLC_FLUSHOUT| SLC_LEVELBITS)) | |
586 | fprintf(NetTrace, "(0x%x)", pointer[i+SLC_FLAGS]); | |
587 | fprintf(NetTrace, " %d;", pointer[i+SLC_VALUE]); | |
4a8a7128 PB |
588 | if ((pointer[i+SLC_VALUE] == IAC) && |
589 | (pointer[i+SLC_VALUE+1] == IAC)) | |
590 | i++; | |
6055a9f6 PB |
591 | } |
592 | for (; i < length; i++) | |
593 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
594 | break; | |
595 | ||
596 | case LM_MODE: | |
597 | fprintf(NetTrace, "MODE "); | |
598 | if (length < 3) { | |
599 | fprintf(NetTrace, "(no mode???)"); | |
600 | break; | |
601 | } | |
602 | { | |
4a8a7128 PB |
603 | char tbuf[64]; |
604 | sprintf(tbuf, "%s%s%s%s%s", | |
6055a9f6 PB |
605 | pointer[2]&MODE_EDIT ? "|EDIT" : "", |
606 | pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "", | |
4a8a7128 PB |
607 | pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "", |
608 | pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "", | |
6055a9f6 PB |
609 | pointer[2]&MODE_ACK ? "|ACK" : ""); |
610 | fprintf(NetTrace, "%s", tbuf[1] ? &tbuf[1] : "0"); | |
611 | } | |
15d31b7e | 612 | if (pointer[2]&~(MODE_MASK)) |
6055a9f6 PB |
613 | fprintf(NetTrace, " (0x%x)", pointer[2]); |
614 | for (i = 3; i < length; i++) | |
615 | fprintf(NetTrace, " ?0x%x?", pointer[i]); | |
616 | break; | |
617 | default: | |
618 | fprintf(NetTrace, "%d (unknown)", pointer[1]); | |
619 | for (i = 2; i < length; i++) | |
620 | fprintf(NetTrace, " %d", pointer[i]); | |
621 | } | |
622 | break; | |
623 | ||
6570c863 PB |
624 | case TELOPT_STATUS: { |
625 | register char *cp; | |
626 | register int j, k; | |
627 | ||
628 | fprintf(NetTrace, "STATUS"); | |
629 | ||
630 | switch (pointer[1]) { | |
631 | default: | |
632 | if (pointer[1] == TELQUAL_SEND) | |
633 | fprintf(NetTrace, " SEND"); | |
634 | else | |
4a8a7128 | 635 | fprintf(NetTrace, " %d (unknown)", pointer[1]); |
6570c863 PB |
636 | for (i = 2; i < length; i++) |
637 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
638 | break; | |
639 | case TELQUAL_IS: | |
15d31b7e DB |
640 | if (--want_status_response < 0) |
641 | want_status_response = 0; | |
6570c863 PB |
642 | if (NetTrace == stdout) |
643 | fprintf(NetTrace, " IS\r\n"); | |
644 | else | |
645 | fprintf(NetTrace, " IS\n"); | |
646 | ||
647 | for (i = 2; i < length; i++) { | |
648 | switch(pointer[i]) { | |
649 | case DO: cp = "DO"; goto common2; | |
650 | case DONT: cp = "DONT"; goto common2; | |
651 | case WILL: cp = "WILL"; goto common2; | |
652 | case WONT: cp = "WONT"; goto common2; | |
653 | common2: | |
654 | i++; | |
4a8a7128 | 655 | if (TELOPT_OK((int)pointer[i])) |
6570c863 PB |
656 | fprintf(NetTrace, " %s %s", cp, TELOPT(pointer[i])); |
657 | else | |
658 | fprintf(NetTrace, " %s %d", cp, pointer[i]); | |
659 | ||
660 | if (NetTrace == stdout) | |
661 | fprintf(NetTrace, "\r\n"); | |
662 | else | |
663 | fprintf(NetTrace, "\n"); | |
664 | break; | |
665 | ||
666 | case SB: | |
667 | fprintf(NetTrace, " SB "); | |
668 | i++; | |
669 | j = k = i; | |
670 | while (j < length) { | |
671 | if (pointer[j] == SE) { | |
672 | if (j+1 == length) | |
673 | break; | |
674 | if (pointer[j+1] == SE) | |
675 | j++; | |
676 | else | |
677 | break; | |
678 | } | |
679 | pointer[k++] = pointer[j++]; | |
680 | } | |
681 | printsub(0, &pointer[i], k - i); | |
682 | if (i < length) { | |
683 | fprintf(NetTrace, " SE"); | |
684 | i = j; | |
685 | } else | |
686 | i = j - 1; | |
687 | ||
688 | if (NetTrace == stdout) | |
689 | fprintf(NetTrace, "\r\n"); | |
690 | else | |
691 | fprintf(NetTrace, "\n"); | |
692 | ||
693 | break; | |
694 | ||
695 | default: | |
696 | fprintf(NetTrace, " %d", pointer[i]); | |
697 | break; | |
698 | } | |
699 | } | |
700 | break; | |
701 | } | |
702 | break; | |
703 | } | |
704 | ||
4a8a7128 PB |
705 | case TELOPT_XDISPLOC: |
706 | fprintf(NetTrace, "X-DISPLAY-LOCATION "); | |
707 | switch (pointer[1]) { | |
708 | case TELQUAL_IS: | |
709 | fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2); | |
710 | break; | |
711 | case TELQUAL_SEND: | |
712 | fprintf(NetTrace, "SEND"); | |
713 | break; | |
714 | default: | |
715 | fprintf(NetTrace, "- unknown qualifier %d (0x%x).", | |
716 | pointer[1], pointer[1]); | |
717 | } | |
718 | break; | |
719 | ||
720 | case TELOPT_ENVIRON: | |
721 | fprintf(NetTrace, "ENVIRON "); | |
722 | switch (pointer[1]) { | |
723 | case TELQUAL_IS: | |
724 | fprintf(NetTrace, "IS "); | |
725 | goto env_common; | |
726 | case TELQUAL_SEND: | |
727 | fprintf(NetTrace, "SEND "); | |
728 | goto env_common; | |
729 | case TELQUAL_INFO: | |
730 | fprintf(NetTrace, "INFO "); | |
731 | env_common: | |
732 | { | |
733 | register int noquote = 2; | |
734 | for (i = 2; i < length; i++ ) { | |
735 | switch (pointer[i]) { | |
736 | case ENV_VAR: | |
737 | if (pointer[1] == TELQUAL_SEND) | |
738 | goto def_case; | |
739 | fprintf(NetTrace, "\" VAR " + noquote); | |
740 | noquote = 2; | |
741 | break; | |
742 | ||
743 | case ENV_VALUE: | |
744 | fprintf(NetTrace, "\" VALUE " + noquote); | |
745 | noquote = 2; | |
746 | break; | |
747 | ||
748 | case ENV_ESC: | |
749 | fprintf(NetTrace, "\" ESC " + noquote); | |
750 | noquote = 2; | |
751 | break; | |
752 | ||
753 | default: | |
754 | def_case: | |
755 | if (isprint(pointer[i]) && pointer[i] != '"') { | |
756 | if (noquote) { | |
757 | putc('"', NetTrace); | |
758 | noquote = 0; | |
759 | } | |
760 | putc(pointer[i], NetTrace); | |
761 | } else { | |
762 | fprintf(NetTrace, "\" %03o " + noquote, | |
763 | pointer[i]); | |
764 | noquote = 2; | |
765 | } | |
766 | break; | |
767 | } | |
768 | } | |
769 | if (!noquote) | |
770 | putc('"', NetTrace); | |
771 | break; | |
772 | } | |
773 | } | |
774 | break; | |
775 | ||
788caa15 | 776 | default: |
15d31b7e DB |
777 | if (TELOPT_OK(pointer[0])) |
778 | fprintf(NetTrace, "%s (unknown)", TELOPT(pointer[0])); | |
779 | else | |
6e549b07 | 780 | fprintf(NetTrace, "%d (unknown)", pointer[0]); |
15d31b7e | 781 | for (i = 1; i < length; i++) |
6055a9f6 PB |
782 | fprintf(NetTrace, " %d", pointer[i]); |
783 | break; | |
788caa15 | 784 | } |
6570c863 PB |
785 | if (direction) { |
786 | if (NetTrace == stdout) | |
787 | fprintf(NetTrace, "\r\n"); | |
788 | else | |
789 | fprintf(NetTrace, "\n"); | |
790 | } | |
788caa15 GM |
791 | } |
792 | } | |
cf9305fa GM |
793 | |
794 | /* EmptyTerminal - called to make sure that the terminal buffer is empty. | |
795 | * Note that we consider the buffer to run all the | |
796 | * way to the kernel (thus the select). | |
797 | */ | |
798 | ||
15d31b7e | 799 | void |
cf9305fa GM |
800 | EmptyTerminal() |
801 | { | |
802 | #if defined(unix) | |
803 | fd_set o; | |
804 | ||
805 | FD_ZERO(&o); | |
806 | #endif /* defined(unix) */ | |
807 | ||
808 | if (TTYBYTES() == 0) { | |
809 | #if defined(unix) | |
810 | FD_SET(tout, &o); | |
811 | (void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0, | |
812 | (struct timeval *) 0); /* wait for TTLOWAT */ | |
813 | #endif /* defined(unix) */ | |
814 | } else { | |
815 | while (TTYBYTES()) { | |
4a8a7128 | 816 | (void) ttyflush(0); |
cf9305fa GM |
817 | #if defined(unix) |
818 | FD_SET(tout, &o); | |
819 | (void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0, | |
820 | (struct timeval *) 0); /* wait for TTLOWAT */ | |
821 | #endif /* defined(unix) */ | |
822 | } | |
823 | } | |
824 | } | |
825 | ||
15d31b7e | 826 | void |
cf9305fa GM |
827 | SetForExit() |
828 | { | |
6055a9f6 | 829 | setconnmode(0); |
cf9305fa GM |
830 | #if defined(TN3270) |
831 | if (In3270) { | |
832 | Finish3270(); | |
833 | } | |
6da40c06 GM |
834 | #else /* defined(TN3270) */ |
835 | do { | |
4a8a7128 | 836 | (void)telrcv(); /* Process any incoming data */ |
6da40c06 GM |
837 | EmptyTerminal(); |
838 | } while (ring_full_count(&netiring)); /* While there is any */ | |
cf9305fa GM |
839 | #endif /* defined(TN3270) */ |
840 | setcommandmode(); | |
841 | fflush(stdout); | |
842 | fflush(stderr); | |
843 | #if defined(TN3270) | |
844 | if (In3270) { | |
845 | StopScreen(1); | |
846 | } | |
847 | #endif /* defined(TN3270) */ | |
6055a9f6 | 848 | setconnmode(0); |
cf9305fa GM |
849 | EmptyTerminal(); /* Flush the path to the tty */ |
850 | setcommandmode(); | |
851 | } | |
852 | ||
15d31b7e | 853 | void |
cf9305fa | 854 | Exit(returnCode) |
15d31b7e | 855 | int returnCode; |
cf9305fa GM |
856 | { |
857 | SetForExit(); | |
858 | exit(returnCode); | |
859 | } | |
860 | ||
15d31b7e | 861 | void |
cf9305fa | 862 | ExitString(string, returnCode) |
15d31b7e DB |
863 | char *string; |
864 | int returnCode; | |
cf9305fa GM |
865 | { |
866 | SetForExit(); | |
867 | fwrite(string, 1, strlen(string), stderr); | |
868 | exit(returnCode); | |
869 | } |