projects / apple / network_cmds.git / blame
| Commit | Line | Data |
|---|---|---|
| b7080c8e A |
1 | /* |
| 2 | * Copyright (c) 1988, 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 | ||
| 7ba0088d A |
34 | #include <sys/cdefs.h> |
| 35 | ||
| 36 | #ifdef __FBSDID | |
| 37 | __FBSDID("$FreeBSD: src/crypto/telnet/telnet/utilities.c,v 1.2.8.2 2002/04/13 10:59:08 markm Exp $"); | |
| 38 | #endif | |
| 39 | ||
| b7080c8e | 40 | #ifndef lint |
| 7ba0088d A |
41 | static const char sccsid[] = "@(#)utilities.c 8.3 (Berkeley) 5/30/95"; |
| 42 | #endif | |
| b7080c8e A |
43 | |
| 44 | #define TELOPTS | |
| 45 | #define TELCMDS | |
| 46 | #define SLC_NAMES | |
| 47 | #include <arpa/telnet.h> | |
| 48 | #include <sys/types.h> | |
| 7ba0088d | 49 | #include <sys/socket.h> |
| b7080c8e | 50 | #include <sys/time.h> |
| b7080c8e | 51 | #include <ctype.h> |
| 7ba0088d | 52 | #include <unistd.h> |
| b7080c8e A |
53 | |
| 54 | #include "general.h" | |
| 55 | ||
| 56 | #include "fdset.h" | |
| 57 | ||
| 58 | #include "ring.h" | |
| 59 | ||
| 60 | #include "defines.h" | |
| 61 | ||
| 62 | #include "externs.h" | |
| 63 | ||
| 7ba0088d A |
64 | #ifdef AUTHENTICATION |
| 65 | #include <libtelnet/auth.h> | |
| 66 | #endif | |
| 67 | #ifdef ENCRYPTION | |
| 68 | #include <libtelnet/encrypt.h> | |
| 69 | #endif | |
| 70 | ||
| b7080c8e A |
71 | FILE *NetTrace = 0; /* Not in bss, since needs to stay */ |
| 72 | int prettydump; | |
| 73 | ||
| 74 | /* | |
| 75 | * upcase() | |
| 76 | * | |
| 77 | * Upcase (in place) the argument. | |
| 78 | */ | |
| 79 | ||
| 7ba0088d A |
80 | void |
| 81 | upcase(char *argument) | |
| b7080c8e | 82 | { |
| 7ba0088d | 83 | int c; |
| b7080c8e A |
84 | |
| 85 | while ((c = *argument) != 0) { | |
| 86 | if (islower(c)) { | |
| 87 | *argument = toupper(c); | |
| 88 | } | |
| 89 | argument++; | |
| 90 | } | |
| 91 | } | |
| 92 | ||
| 93 | /* | |
| 94 | * SetSockOpt() | |
| 95 | * | |
| 96 | * Compensate for differences in 4.2 and 4.3 systems. | |
| 97 | */ | |
| 98 | ||
| 7ba0088d A |
99 | int |
| 100 | SetSockOpt(int fd, int level, int option, int yesno) | |
| b7080c8e | 101 | { |
| b7080c8e A |
102 | return setsockopt(fd, level, option, |
| 103 | (char *)&yesno, sizeof yesno); | |
| b7080c8e A |
104 | } |
| 105 | \f | |
| 106 | /* | |
| 107 | * The following are routines used to print out debugging information. | |
| 108 | */ | |
| 109 | ||
| 110 | unsigned char NetTraceFile[256] = "(standard output)"; | |
| 111 | ||
| 7ba0088d A |
112 | void |
| 113 | SetNetTrace(char *file) | |
| b7080c8e A |
114 | { |
| 115 | if (NetTrace && NetTrace != stdout) | |
| 116 | fclose(NetTrace); | |
| 117 | if (file && (strcmp(file, "-") != 0)) { | |
| 118 | NetTrace = fopen(file, "w"); | |
| 119 | if (NetTrace) { | |
| 120 | strcpy((char *)NetTraceFile, file); | |
| 121 | return; | |
| 122 | } | |
| 123 | fprintf(stderr, "Cannot open %s.\n", file); | |
| 124 | } | |
| 125 | NetTrace = stdout; | |
| 126 | strcpy((char *)NetTraceFile, "(standard output)"); | |
| 127 | } | |
| 128 | ||
| 7ba0088d A |
129 | void |
| 130 | Dump(char direction, unsigned char *buffer, int length) | |
| b7080c8e A |
131 | { |
| 132 | # define BYTES_PER_LINE 32 | |
| 133 | # define min(x,y) ((x<y)? x:y) | |
| 134 | unsigned char *pThis; | |
| 135 | int offset; | |
| b7080c8e A |
136 | |
| 137 | offset = 0; | |
| 138 | ||
| 139 | while (length) { | |
| 140 | /* print one line */ | |
| 141 | fprintf(NetTrace, "%c 0x%x\t", direction, offset); | |
| 142 | pThis = buffer; | |
| 143 | if (prettydump) { | |
| 144 | buffer = buffer + min(length, BYTES_PER_LINE/2); | |
| 145 | while (pThis < buffer) { | |
| 146 | fprintf(NetTrace, "%c%.2x", | |
| 147 | (((*pThis)&0xff) == 0xff) ? '*' : ' ', | |
| 148 | (*pThis)&0xff); | |
| 149 | pThis++; | |
| 150 | } | |
| 151 | length -= BYTES_PER_LINE/2; | |
| 152 | offset += BYTES_PER_LINE/2; | |
| 153 | } else { | |
| 154 | buffer = buffer + min(length, BYTES_PER_LINE); | |
| 155 | while (pThis < buffer) { | |
| 156 | fprintf(NetTrace, "%.2x", (*pThis)&0xff); | |
| 157 | pThis++; | |
| 158 | } | |
| 159 | length -= BYTES_PER_LINE; | |
| 160 | offset += BYTES_PER_LINE; | |
| 161 | } | |
| 162 | if (NetTrace == stdout) { | |
| 163 | fprintf(NetTrace, "\r\n"); | |
| 164 | } else { | |
| 165 | fprintf(NetTrace, "\n"); | |
| 166 | } | |
| 167 | if (length < 0) { | |
| 168 | fflush(NetTrace); | |
| 169 | return; | |
| 170 | } | |
| 171 | /* find next unique line */ | |
| 172 | } | |
| 173 | fflush(NetTrace); | |
| 174 | } | |
| 175 | ||
| 176 | ||
| 7ba0088d A |
177 | void |
| 178 | printoption(const char *direction, int cmd, int option) | |
| b7080c8e A |
179 | { |
| 180 | if (!showoptions) | |
| 181 | return; | |
| 182 | if (cmd == IAC) { | |
| 183 | if (TELCMD_OK(option)) | |
| 184 | fprintf(NetTrace, "%s IAC %s", direction, TELCMD(option)); | |
| 185 | else | |
| 186 | fprintf(NetTrace, "%s IAC %d", direction, option); | |
| 187 | } else { | |
| 7ba0088d | 188 | const char *fmt; |
| b7080c8e A |
189 | fmt = (cmd == WILL) ? "WILL" : (cmd == WONT) ? "WONT" : |
| 190 | (cmd == DO) ? "DO" : (cmd == DONT) ? "DONT" : 0; | |
| 191 | if (fmt) { | |
| 192 | fprintf(NetTrace, "%s %s ", direction, fmt); | |
| 193 | if (TELOPT_OK(option)) | |
| 194 | fprintf(NetTrace, "%s", TELOPT(option)); | |
| 195 | else if (option == TELOPT_EXOPL) | |
| 196 | fprintf(NetTrace, "EXOPL"); | |
| 197 | else | |
| 198 | fprintf(NetTrace, "%d", option); | |
| 199 | } else | |
| 200 | fprintf(NetTrace, "%s %d %d", direction, cmd, option); | |
| 201 | } | |
| 202 | if (NetTrace == stdout) { | |
| 203 | fprintf(NetTrace, "\r\n"); | |
| 204 | fflush(NetTrace); | |
| 205 | } else { | |
| 206 | fprintf(NetTrace, "\n"); | |
| 207 | } | |
| 208 | return; | |
| 209 | } | |
| 210 | ||
| 7ba0088d A |
211 | void |
| 212 | optionstatus(void) | |
| b7080c8e | 213 | { |
| 7ba0088d | 214 | int i; |
| b7080c8e A |
215 | extern char will_wont_resp[], do_dont_resp[]; |
| 216 | ||
| 217 | for (i = 0; i < 256; i++) { | |
| 218 | if (do_dont_resp[i]) { | |
| 219 | if (TELOPT_OK(i)) | |
| 220 | printf("resp DO_DONT %s: %d\n", TELOPT(i), do_dont_resp[i]); | |
| 221 | else if (TELCMD_OK(i)) | |
| 222 | printf("resp DO_DONT %s: %d\n", TELCMD(i), do_dont_resp[i]); | |
| 223 | else | |
| 224 | printf("resp DO_DONT %d: %d\n", i, | |
| 225 | do_dont_resp[i]); | |
| 226 | if (my_want_state_is_do(i)) { | |
| 227 | if (TELOPT_OK(i)) | |
| 228 | printf("want DO %s\n", TELOPT(i)); | |
| 229 | else if (TELCMD_OK(i)) | |
| 230 | printf("want DO %s\n", TELCMD(i)); | |
| 231 | else | |
| 232 | printf("want DO %d\n", i); | |
| 233 | } else { | |
| 234 | if (TELOPT_OK(i)) | |
| 235 | printf("want DONT %s\n", TELOPT(i)); | |
| 236 | else if (TELCMD_OK(i)) | |
| 237 | printf("want DONT %s\n", TELCMD(i)); | |
| 238 | else | |
| 239 | printf("want DONT %d\n", i); | |
| 240 | } | |
| 241 | } else { | |
| 242 | if (my_state_is_do(i)) { | |
| 243 | if (TELOPT_OK(i)) | |
| 244 | printf(" DO %s\n", TELOPT(i)); | |
| 245 | else if (TELCMD_OK(i)) | |
| 246 | printf(" DO %s\n", TELCMD(i)); | |
| 247 | else | |
| 248 | printf(" DO %d\n", i); | |
| 249 | } | |
| 250 | } | |
| 251 | if (will_wont_resp[i]) { | |
| 252 | if (TELOPT_OK(i)) | |
| 253 | printf("resp WILL_WONT %s: %d\n", TELOPT(i), will_wont_resp[i]); | |
| 254 | else if (TELCMD_OK(i)) | |
| 255 | printf("resp WILL_WONT %s: %d\n", TELCMD(i), will_wont_resp[i]); | |
| 256 | else | |
| 257 | printf("resp WILL_WONT %d: %d\n", | |
| 258 | i, will_wont_resp[i]); | |
| 259 | if (my_want_state_is_will(i)) { | |
| 260 | if (TELOPT_OK(i)) | |
| 261 | printf("want WILL %s\n", TELOPT(i)); | |
| 262 | else if (TELCMD_OK(i)) | |
| 263 | printf("want WILL %s\n", TELCMD(i)); | |
| 264 | else | |
| 265 | printf("want WILL %d\n", i); | |
| 266 | } else { | |
| 267 | if (TELOPT_OK(i)) | |
| 268 | printf("want WONT %s\n", TELOPT(i)); | |
| 269 | else if (TELCMD_OK(i)) | |
| 270 | printf("want WONT %s\n", TELCMD(i)); | |
| 271 | else | |
| 272 | printf("want WONT %d\n", i); | |
| 273 | } | |
| 274 | } else { | |
| 275 | if (my_state_is_will(i)) { | |
| 276 | if (TELOPT_OK(i)) | |
| 277 | printf(" WILL %s\n", TELOPT(i)); | |
| 278 | else if (TELCMD_OK(i)) | |
| 279 | printf(" WILL %s\n", TELCMD(i)); | |
| 280 | else | |
| 281 | printf(" WILL %d\n", i); | |
| 282 | } | |
| 283 | } | |
| 284 | } | |
| 285 | ||
| 286 | } | |
| 287 | ||
| 7ba0088d A |
288 | void |
| 289 | printsub(char direction, unsigned char *pointer, int length) | |
| b7080c8e | 290 | { |
| 7ba0088d A |
291 | int i; |
| 292 | #ifdef AUTHENTICATION | |
| b7080c8e | 293 | char buf[512]; |
| 7ba0088d | 294 | #endif |
| b7080c8e A |
295 | extern int want_status_response; |
| 296 | ||
| 297 | if (showoptions || direction == 0 || | |
| 298 | (want_status_response && (pointer[0] == TELOPT_STATUS))) { | |
| 299 | if (direction) { | |
| 300 | fprintf(NetTrace, "%s IAC SB ", | |
| 301 | (direction == '<')? "RCVD":"SENT"); | |
| 302 | if (length >= 3) { | |
| 7ba0088d | 303 | int j; |
| b7080c8e A |
304 | |
| 305 | i = pointer[length-2]; | |
| 306 | j = pointer[length-1]; | |
| 307 | ||
| 308 | if (i != IAC || j != SE) { | |
| 309 | fprintf(NetTrace, "(terminated by "); | |
| 310 | if (TELOPT_OK(i)) | |
| 311 | fprintf(NetTrace, "%s ", TELOPT(i)); | |
| 312 | else if (TELCMD_OK(i)) | |
| 313 | fprintf(NetTrace, "%s ", TELCMD(i)); | |
| 314 | else | |
| 315 | fprintf(NetTrace, "%d ", i); | |
| 316 | if (TELOPT_OK(j)) | |
| 317 | fprintf(NetTrace, "%s", TELOPT(j)); | |
| 318 | else if (TELCMD_OK(j)) | |
| 319 | fprintf(NetTrace, "%s", TELCMD(j)); | |
| 320 | else | |
| 321 | fprintf(NetTrace, "%d", j); | |
| 322 | fprintf(NetTrace, ", not IAC SE!) "); | |
| 323 | } | |
| 324 | } | |
| 325 | length -= 2; | |
| 326 | } | |
| 327 | if (length < 1) { | |
| 328 | fprintf(NetTrace, "(Empty suboption??\?)"); | |
| 329 | if (NetTrace == stdout) | |
| 330 | fflush(NetTrace); | |
| 331 | return; | |
| 332 | } | |
| 333 | switch (pointer[0]) { | |
| 334 | case TELOPT_TTYPE: | |
| 335 | fprintf(NetTrace, "TERMINAL-TYPE "); | |
| 336 | switch (pointer[1]) { | |
| 337 | case TELQUAL_IS: | |
| 338 | fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2); | |
| 339 | break; | |
| 340 | case TELQUAL_SEND: | |
| 341 | fprintf(NetTrace, "SEND"); | |
| 342 | break; | |
| 343 | default: | |
| 344 | fprintf(NetTrace, | |
| 345 | "- unknown qualifier %d (0x%x).", | |
| 346 | pointer[1], pointer[1]); | |
| 347 | } | |
| 348 | break; | |
| 349 | case TELOPT_TSPEED: | |
| 350 | fprintf(NetTrace, "TERMINAL-SPEED"); | |
| 351 | if (length < 2) { | |
| 352 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 353 | break; | |
| 354 | } | |
| 355 | switch (pointer[1]) { | |
| 356 | case TELQUAL_IS: | |
| 357 | fprintf(NetTrace, " IS "); | |
| 358 | fprintf(NetTrace, "%.*s", length-2, (char *)pointer+2); | |
| 359 | break; | |
| 360 | default: | |
| 361 | if (pointer[1] == 1) | |
| 362 | fprintf(NetTrace, " SEND"); | |
| 363 | else | |
| 364 | fprintf(NetTrace, " %d (unknown)", pointer[1]); | |
| 365 | for (i = 2; i < length; i++) | |
| 366 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 367 | break; | |
| 368 | } | |
| 369 | break; | |
| 370 | ||
| 371 | case TELOPT_LFLOW: | |
| 372 | fprintf(NetTrace, "TOGGLE-FLOW-CONTROL"); | |
| 373 | if (length < 2) { | |
| 374 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 375 | break; | |
| 376 | } | |
| 377 | switch (pointer[1]) { | |
| 378 | case LFLOW_OFF: | |
| 379 | fprintf(NetTrace, " OFF"); break; | |
| 380 | case LFLOW_ON: | |
| 381 | fprintf(NetTrace, " ON"); break; | |
| 382 | case LFLOW_RESTART_ANY: | |
| 383 | fprintf(NetTrace, " RESTART-ANY"); break; | |
| 384 | case LFLOW_RESTART_XON: | |
| 385 | fprintf(NetTrace, " RESTART-XON"); break; | |
| 386 | default: | |
| 387 | fprintf(NetTrace, " %d (unknown)", pointer[1]); | |
| 388 | } | |
| 389 | for (i = 2; i < length; i++) | |
| 390 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 391 | break; | |
| 392 | ||
| 393 | case TELOPT_NAWS: | |
| 394 | fprintf(NetTrace, "NAWS"); | |
| 395 | if (length < 2) { | |
| 396 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 397 | break; | |
| 398 | } | |
| 399 | if (length == 2) { | |
| 400 | fprintf(NetTrace, " ?%d?", pointer[1]); | |
| 401 | break; | |
| 402 | } | |
| 403 | fprintf(NetTrace, " %d %d (%d)", | |
| 404 | pointer[1], pointer[2], | |
| 405 | (int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2]))); | |
| 406 | if (length == 4) { | |
| 407 | fprintf(NetTrace, " ?%d?", pointer[3]); | |
| 408 | break; | |
| 409 | } | |
| 410 | fprintf(NetTrace, " %d %d (%d)", | |
| 411 | pointer[3], pointer[4], | |
| 412 | (int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4]))); | |
| 413 | for (i = 5; i < length; i++) | |
| 414 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 415 | break; | |
| 416 | ||
| 7ba0088d | 417 | #ifdef AUTHENTICATION |
| b7080c8e A |
418 | case TELOPT_AUTHENTICATION: |
| 419 | fprintf(NetTrace, "AUTHENTICATION"); | |
| 420 | if (length < 2) { | |
| 421 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 422 | break; | |
| 423 | } | |
| 424 | switch (pointer[1]) { | |
| 425 | case TELQUAL_REPLY: | |
| 426 | case TELQUAL_IS: | |
| 427 | fprintf(NetTrace, " %s ", (pointer[1] == TELQUAL_IS) ? | |
| 428 | "IS" : "REPLY"); | |
| 429 | if (AUTHTYPE_NAME_OK(pointer[2])) | |
| 430 | fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[2])); | |
| 431 | else | |
| 432 | fprintf(NetTrace, "%d ", pointer[2]); | |
| 433 | if (length < 3) { | |
| 434 | fprintf(NetTrace, "(partial suboption??\?)"); | |
| 435 | break; | |
| 436 | } | |
| 437 | fprintf(NetTrace, "%s|%s", | |
| 438 | ((pointer[3] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ? | |
| 439 | "CLIENT" : "SERVER", | |
| 440 | ((pointer[3] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ? | |
| 441 | "MUTUAL" : "ONE-WAY"); | |
| 442 | ||
| 443 | auth_printsub(&pointer[1], length - 1, buf, sizeof(buf)); | |
| 444 | fprintf(NetTrace, "%s", buf); | |
| 445 | break; | |
| 446 | ||
| 447 | case TELQUAL_SEND: | |
| 448 | i = 2; | |
| 449 | fprintf(NetTrace, " SEND "); | |
| 450 | while (i < length) { | |
| 451 | if (AUTHTYPE_NAME_OK(pointer[i])) | |
| 452 | fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[i])); | |
| 453 | else | |
| 454 | fprintf(NetTrace, "%d ", pointer[i]); | |
| 455 | if (++i >= length) { | |
| 456 | fprintf(NetTrace, "(partial suboption??\?)"); | |
| 457 | break; | |
| 458 | } | |
| 459 | fprintf(NetTrace, "%s|%s ", | |
| 460 | ((pointer[i] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ? | |
| 461 | "CLIENT" : "SERVER", | |
| 462 | ((pointer[i] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ? | |
| 463 | "MUTUAL" : "ONE-WAY"); | |
| 464 | ++i; | |
| 465 | } | |
| 466 | break; | |
| 467 | ||
| 468 | case TELQUAL_NAME: | |
| 469 | i = 2; | |
| 470 | fprintf(NetTrace, " NAME \""); | |
| 471 | while (i < length) | |
| 472 | putc(pointer[i++], NetTrace); | |
| 473 | putc('"', NetTrace); | |
| 474 | break; | |
| 475 | ||
| 476 | default: | |
| 477 | for (i = 2; i < length; i++) | |
| 478 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 479 | break; | |
| 480 | } | |
| 481 | break; | |
| 482 | #endif | |
| 483 | ||
| 484 | #ifdef ENCRYPTION | |
| 485 | case TELOPT_ENCRYPT: | |
| 486 | fprintf(NetTrace, "ENCRYPT"); | |
| 487 | if (length < 2) { | |
| 488 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 489 | break; | |
| 490 | } | |
| 491 | switch (pointer[1]) { | |
| 492 | case ENCRYPT_START: | |
| 493 | fprintf(NetTrace, " START"); | |
| 494 | break; | |
| 495 | ||
| 496 | case ENCRYPT_END: | |
| 497 | fprintf(NetTrace, " END"); | |
| 498 | break; | |
| 499 | ||
| 500 | case ENCRYPT_REQSTART: | |
| 501 | fprintf(NetTrace, " REQUEST-START"); | |
| 502 | break; | |
| 503 | ||
| 504 | case ENCRYPT_REQEND: | |
| 505 | fprintf(NetTrace, " REQUEST-END"); | |
| 506 | break; | |
| 507 | ||
| 508 | case ENCRYPT_IS: | |
| 509 | case ENCRYPT_REPLY: | |
| 510 | fprintf(NetTrace, " %s ", (pointer[1] == ENCRYPT_IS) ? | |
| 511 | "IS" : "REPLY"); | |
| 512 | if (length < 3) { | |
| 513 | fprintf(NetTrace, " (partial suboption??\?)"); | |
| 514 | break; | |
| 515 | } | |
| 516 | if (ENCTYPE_NAME_OK(pointer[2])) | |
| 517 | fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[2])); | |
| 518 | else | |
| 519 | fprintf(NetTrace, " %d (unknown)", pointer[2]); | |
| 520 | ||
| 521 | encrypt_printsub(&pointer[1], length - 1, buf, sizeof(buf)); | |
| 522 | fprintf(NetTrace, "%s", buf); | |
| 523 | break; | |
| 524 | ||
| 525 | case ENCRYPT_SUPPORT: | |
| 526 | i = 2; | |
| 527 | fprintf(NetTrace, " SUPPORT "); | |
| 528 | while (i < length) { | |
| 529 | if (ENCTYPE_NAME_OK(pointer[i])) | |
| 530 | fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[i])); | |
| 531 | else | |
| 532 | fprintf(NetTrace, "%d ", pointer[i]); | |
| 533 | i++; | |
| 534 | } | |
| 535 | break; | |
| 536 | ||
| 537 | case ENCRYPT_ENC_KEYID: | |
| 538 | fprintf(NetTrace, " ENC_KEYID "); | |
| 539 | goto encommon; | |
| 540 | ||
| 541 | case ENCRYPT_DEC_KEYID: | |
| 542 | fprintf(NetTrace, " DEC_KEYID "); | |
| 543 | goto encommon; | |
| 544 | ||
| 545 | default: | |
| 546 | fprintf(NetTrace, " %d (unknown)", pointer[1]); | |
| 547 | encommon: | |
| 548 | for (i = 2; i < length; i++) | |
| 549 | fprintf(NetTrace, " %d", pointer[i]); | |
| 550 | break; | |
| 551 | } | |
| 552 | break; | |
| 553 | #endif /* ENCRYPTION */ | |
| 554 | ||
| 555 | case TELOPT_LINEMODE: | |
| 556 | fprintf(NetTrace, "LINEMODE "); | |
| 557 | if (length < 2) { | |
| 558 | fprintf(NetTrace, " (empty suboption??\?)"); | |
| 559 | break; | |
| 560 | } | |
| 561 | switch (pointer[1]) { | |
| 562 | case WILL: | |
| 563 | fprintf(NetTrace, "WILL "); | |
| 564 | goto common; | |
| 565 | case WONT: | |
| 566 | fprintf(NetTrace, "WONT "); | |
| 567 | goto common; | |
| 568 | case DO: | |
| 569 | fprintf(NetTrace, "DO "); | |
| 570 | goto common; | |
| 571 | case DONT: | |
| 572 | fprintf(NetTrace, "DONT "); | |
| 573 | common: | |
| 574 | if (length < 3) { | |
| 575 | fprintf(NetTrace, "(no option??\?)"); | |
| 576 | break; | |
| 577 | } | |
| 578 | switch (pointer[2]) { | |
| 579 | case LM_FORWARDMASK: | |
| 580 | fprintf(NetTrace, "Forward Mask"); | |
| 581 | for (i = 3; i < length; i++) | |
| 582 | fprintf(NetTrace, " %x", pointer[i]); | |
| 583 | break; | |
| 584 | default: | |
| 585 | fprintf(NetTrace, "%d (unknown)", pointer[2]); | |
| 586 | for (i = 3; i < length; i++) | |
| 587 | fprintf(NetTrace, " %d", pointer[i]); | |
| 588 | break; | |
| 589 | } | |
| 590 | break; | |
| 591 | ||
| 592 | case LM_SLC: | |
| 593 | fprintf(NetTrace, "SLC"); | |
| 594 | for (i = 2; i < length - 2; i += 3) { | |
| 595 | if (SLC_NAME_OK(pointer[i+SLC_FUNC])) | |
| 596 | fprintf(NetTrace, " %s", SLC_NAME(pointer[i+SLC_FUNC])); | |
| 597 | else | |
| 598 | fprintf(NetTrace, " %d", pointer[i+SLC_FUNC]); | |
| 599 | switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) { | |
| 600 | case SLC_NOSUPPORT: | |
| 601 | fprintf(NetTrace, " NOSUPPORT"); break; | |
| 602 | case SLC_CANTCHANGE: | |
| 603 | fprintf(NetTrace, " CANTCHANGE"); break; | |
| 604 | case SLC_VARIABLE: | |
| 605 | fprintf(NetTrace, " VARIABLE"); break; | |
| 606 | case SLC_DEFAULT: | |
| 607 | fprintf(NetTrace, " DEFAULT"); break; | |
| 608 | } | |
| 609 | fprintf(NetTrace, "%s%s%s", | |
| 610 | pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "", | |
| 611 | pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "", | |
| 612 | pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : ""); | |
| 613 | if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN| | |
| 614 | SLC_FLUSHOUT| SLC_LEVELBITS)) | |
| 615 | fprintf(NetTrace, "(0x%x)", pointer[i+SLC_FLAGS]); | |
| 616 | fprintf(NetTrace, " %d;", pointer[i+SLC_VALUE]); | |
| 617 | if ((pointer[i+SLC_VALUE] == IAC) && | |
| 618 | (pointer[i+SLC_VALUE+1] == IAC)) | |
| 619 | i++; | |
| 620 | } | |
| 621 | for (; i < length; i++) | |
| 622 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 623 | break; | |
| 624 | ||
| 625 | case LM_MODE: | |
| 626 | fprintf(NetTrace, "MODE "); | |
| 627 | if (length < 3) { | |
| 628 | fprintf(NetTrace, "(no mode??\?)"); | |
| 629 | break; | |
| 630 | } | |
| 631 | { | |
| 632 | char tbuf[64]; | |
| 633 | sprintf(tbuf, "%s%s%s%s%s", | |
| 634 | pointer[2]&MODE_EDIT ? "|EDIT" : "", | |
| 635 | pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "", | |
| 636 | pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "", | |
| 637 | pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "", | |
| 638 | pointer[2]&MODE_ACK ? "|ACK" : ""); | |
| 639 | fprintf(NetTrace, "%s", tbuf[1] ? &tbuf[1] : "0"); | |
| 640 | } | |
| 641 | if (pointer[2]&~(MODE_MASK)) | |
| 642 | fprintf(NetTrace, " (0x%x)", pointer[2]); | |
| 643 | for (i = 3; i < length; i++) | |
| 644 | fprintf(NetTrace, " ?0x%x?", pointer[i]); | |
| 645 | break; | |
| 646 | default: | |
| 647 | fprintf(NetTrace, "%d (unknown)", pointer[1]); | |
| 648 | for (i = 2; i < length; i++) | |
| 649 | fprintf(NetTrace, " %d", pointer[i]); | |
| 650 | } | |
| 651 | break; | |
| 652 | ||
| 653 | case TELOPT_STATUS: { | |
| 7ba0088d A |
654 | const char *cp; |
| 655 | int j, k; | |
| b7080c8e A |
656 | |
| 657 | fprintf(NetTrace, "STATUS"); | |
| 658 | ||
| 659 | switch (pointer[1]) { | |
| 660 | default: | |
| 661 | if (pointer[1] == TELQUAL_SEND) | |
| 662 | fprintf(NetTrace, " SEND"); | |
| 663 | else | |
| 664 | fprintf(NetTrace, " %d (unknown)", pointer[1]); | |
| 665 | for (i = 2; i < length; i++) | |
| 666 | fprintf(NetTrace, " ?%d?", pointer[i]); | |
| 667 | break; | |
| 668 | case TELQUAL_IS: | |
| 669 | if (--want_status_response < 0) | |
| 670 | want_status_response = 0; | |
| 671 | if (NetTrace == stdout) | |
| 672 | fprintf(NetTrace, " IS\r\n"); | |
| 673 | else | |
| 674 | fprintf(NetTrace, " IS\n"); | |
| 675 | ||
| 676 | for (i = 2; i < length; i++) { | |
| 677 | switch(pointer[i]) { | |
| 678 | case DO: cp = "DO"; goto common2; | |
| 679 | case DONT: cp = "DONT"; goto common2; | |
| 680 | case WILL: cp = "WILL"; goto common2; | |
| 681 | case WONT: cp = "WONT"; goto common2; | |
| 682 | common2: | |
| 683 | i++; | |
| 684 | if (TELOPT_OK((int)pointer[i])) | |
| 685 | fprintf(NetTrace, " %s %s", cp, TELOPT(pointer[i])); | |
| 686 | else | |
| 687 | fprintf(NetTrace, " %s %d", cp, pointer[i]); | |
| 688 | ||
| 689 | if (NetTrace == stdout) | |
| 690 | fprintf(NetTrace, "\r\n"); | |
| 691 | else | |
| 692 | fprintf(NetTrace, "\n"); | |
| 693 | break; | |
| 694 | ||
| 695 | case SB: | |
| 696 | fprintf(NetTrace, " SB "); | |
| 697 | i++; | |
| 698 | j = k = i; | |
| 699 | while (j < length) { | |
| 700 | if (pointer[j] == SE) { | |
| 701 | if (j+1 == length) | |
| 702 | break; | |
| 703 | if (pointer[j+1] == SE) | |
| 704 | j++; | |
| 705 | else | |
| 706 | break; | |
| 707 | } | |
| 708 | pointer[k++] = pointer[j++]; | |
| 709 | } | |
| 710 | printsub(0, &pointer[i], k - i); | |
| 711 | if (i < length) { | |
| 712 | fprintf(NetTrace, " SE"); | |
| 713 | i = j; | |
| 714 | } else | |
| 715 | i = j - 1; | |
| 716 | ||
| 717 | if (NetTrace == stdout) | |
| 718 | fprintf(NetTrace, "\r\n"); | |
| 719 | else | |
| 720 | fprintf(NetTrace, "\n"); | |
| 721 | ||
| 722 | break; | |
| 723 | ||
| 724 | default: | |
| 725 | fprintf(NetTrace, " %d", pointer[i]); | |
| 726 | break; | |
| 727 | } | |
| 728 | } | |
| 729 | break; | |
| 730 | } | |
| 731 | break; | |
| 732 | } | |
| 733 | ||
| 734 | case TELOPT_XDISPLOC: | |
| 735 | fprintf(NetTrace, "X-DISPLAY-LOCATION "); | |
| 736 | switch (pointer[1]) { | |
| 737 | case TELQUAL_IS: | |
| 738 | fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2); | |
| 739 | break; | |
| 740 | case TELQUAL_SEND: | |
| 741 | fprintf(NetTrace, "SEND"); | |
| 742 | break; | |
| 743 | default: | |
| 744 | fprintf(NetTrace, "- unknown qualifier %d (0x%x).", | |
| 745 | pointer[1], pointer[1]); | |
| 746 | } | |
| 747 | break; | |
| 748 | ||
| 749 | case TELOPT_NEW_ENVIRON: | |
| 750 | fprintf(NetTrace, "NEW-ENVIRON "); | |
| 751 | #ifdef OLD_ENVIRON | |
| 752 | goto env_common1; | |
| 753 | case TELOPT_OLD_ENVIRON: | |
| 754 | fprintf(NetTrace, "OLD-ENVIRON"); | |
| 755 | env_common1: | |
| 756 | #endif | |
| 757 | switch (pointer[1]) { | |
| 758 | case TELQUAL_IS: | |
| 759 | fprintf(NetTrace, "IS "); | |
| 760 | goto env_common; | |
| 761 | case TELQUAL_SEND: | |
| 762 | fprintf(NetTrace, "SEND "); | |
| 763 | goto env_common; | |
| 764 | case TELQUAL_INFO: | |
| 765 | fprintf(NetTrace, "INFO "); | |
| 766 | env_common: | |
| 767 | { | |
| 7ba0088d | 768 | int noquote = 2; |
| b7080c8e A |
769 | #if defined(ENV_HACK) && defined(OLD_ENVIRON) |
| 770 | extern int old_env_var, old_env_value; | |
| 771 | #endif | |
| 772 | for (i = 2; i < length; i++ ) { | |
| 773 | switch (pointer[i]) { | |
| 774 | case NEW_ENV_VALUE: | |
| 775 | #ifdef OLD_ENVIRON | |
| 776 | /* case NEW_ENV_OVAR: */ | |
| 777 | if (pointer[0] == TELOPT_OLD_ENVIRON) { | |
| 778 | # ifdef ENV_HACK | |
| 779 | if (old_env_var == OLD_ENV_VALUE) | |
| 780 | fprintf(NetTrace, "\" (VALUE) " + noquote); | |
| 781 | else | |
| 782 | # endif | |
| 783 | fprintf(NetTrace, "\" VAR " + noquote); | |
| 784 | } else | |
| 785 | #endif /* OLD_ENVIRON */ | |
| 786 | fprintf(NetTrace, "\" VALUE " + noquote); | |
| 787 | noquote = 2; | |
| 788 | break; | |
| 789 | ||
| 790 | case NEW_ENV_VAR: | |
| 791 | #ifdef OLD_ENVIRON | |
| 792 | /* case OLD_ENV_VALUE: */ | |
| 793 | if (pointer[0] == TELOPT_OLD_ENVIRON) { | |
| 794 | # ifdef ENV_HACK | |
| 795 | if (old_env_value == OLD_ENV_VAR) | |
| 796 | fprintf(NetTrace, "\" (VAR) " + noquote); | |
| 797 | else | |
| 798 | # endif | |
| 799 | fprintf(NetTrace, "\" VALUE " + noquote); | |
| 800 | } else | |
| 801 | #endif /* OLD_ENVIRON */ | |
| 802 | fprintf(NetTrace, "\" VAR " + noquote); | |
| 803 | noquote = 2; | |
| 804 | break; | |
| 805 | ||
| 806 | case ENV_ESC: | |
| 807 | fprintf(NetTrace, "\" ESC " + noquote); | |
| 808 | noquote = 2; | |
| 809 | break; | |
| 810 | ||
| 811 | case ENV_USERVAR: | |
| 812 | fprintf(NetTrace, "\" USERVAR " + noquote); | |
| 813 | noquote = 2; | |
| 814 | break; | |
| 815 | ||
| 816 | default: | |
| b7080c8e A |
817 | if (isprint(pointer[i]) && pointer[i] != '"') { |
| 818 | if (noquote) { | |
| 819 | putc('"', NetTrace); | |
| 820 | noquote = 0; | |
| 821 | } | |
| 822 | putc(pointer[i], NetTrace); | |
| 823 | } else { | |
| 824 | fprintf(NetTrace, "\" %03o " + noquote, | |
| 825 | pointer[i]); | |
| 826 | noquote = 2; | |
| 827 | } | |
| 828 | break; | |
| 829 | } | |
| 830 | } | |
| 831 | if (!noquote) | |
| 832 | putc('"', NetTrace); | |
| 833 | break; | |
| 834 | } | |
| 835 | } | |
| 836 | break; | |
| 837 | ||
| 838 | default: | |
| 839 | if (TELOPT_OK(pointer[0])) | |
| 840 | fprintf(NetTrace, "%s (unknown)", TELOPT(pointer[0])); | |
| 841 | else | |
| 842 | fprintf(NetTrace, "%d (unknown)", pointer[0]); | |
| 843 | for (i = 1; i < length; i++) | |
| 844 | fprintf(NetTrace, " %d", pointer[i]); | |
| 845 | break; | |
| 846 | } | |
| 847 | if (direction) { | |
| 848 | if (NetTrace == stdout) | |
| 849 | fprintf(NetTrace, "\r\n"); | |
| 850 | else | |
| 851 | fprintf(NetTrace, "\n"); | |
| 852 | } | |
| 853 | if (NetTrace == stdout) | |
| 854 | fflush(NetTrace); | |
| 855 | } | |
| 856 | } | |
| 857 | ||
| 858 | /* EmptyTerminal - called to make sure that the terminal buffer is empty. | |
| 859 | * Note that we consider the buffer to run all the | |
| 860 | * way to the kernel (thus the select). | |
| 861 | */ | |
| 862 | ||
| 7ba0088d A |
863 | static void |
| 864 | EmptyTerminal(void) | |
| b7080c8e | 865 | { |
| b7080c8e A |
866 | fd_set o; |
| 867 | ||
| 868 | FD_ZERO(&o); | |
| b7080c8e A |
869 | |
| 870 | if (TTYBYTES() == 0) { | |
| b7080c8e A |
871 | FD_SET(tout, &o); |
| 872 | (void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0, | |
| 873 | (struct timeval *) 0); /* wait for TTLOWAT */ | |
| b7080c8e A |
874 | } else { |
| 875 | while (TTYBYTES()) { | |
| 876 | (void) ttyflush(0); | |
| b7080c8e A |
877 | FD_SET(tout, &o); |
| 878 | (void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0, | |
| 879 | (struct timeval *) 0); /* wait for TTLOWAT */ | |
| b7080c8e A |
880 | } |
| 881 | } | |
| 882 | } | |
| 883 | ||
| 7ba0088d A |
884 | static void |
| 885 | SetForExit(void) | |
| b7080c8e A |
886 | { |
| 887 | setconnmode(0); | |
| b7080c8e A |
888 | do { |
| 889 | (void)telrcv(); /* Process any incoming data */ | |
| 890 | EmptyTerminal(); | |
| 891 | } while (ring_full_count(&netiring)); /* While there is any */ | |
| b7080c8e A |
892 | setcommandmode(); |
| 893 | fflush(stdout); | |
| 894 | fflush(stderr); | |
| b7080c8e A |
895 | setconnmode(0); |
| 896 | EmptyTerminal(); /* Flush the path to the tty */ | |
| 897 | setcommandmode(); | |
| 898 | } | |
| 899 | ||
| 7ba0088d A |
900 | void |
| 901 | Exit(int returnCode) | |
| b7080c8e A |
902 | { |
| 903 | SetForExit(); | |
| 904 | exit(returnCode); | |
| 905 | } | |
| 906 | ||
| 7ba0088d A |
907 | void |
| 908 | ExitString(const char *string, int returnCode) | |
| b7080c8e A |
909 | { |
| 910 | SetForExit(); | |
| 911 | fwrite(string, 1, strlen(string), stderr); | |
| 912 | exit(returnCode); | |
| 913 | } |