| 1 | /* |
| 2 | * Copyright (c) 1983 The Regents of the University of California. |
| 3 | * 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 | |
| 34 | #ifndef lint |
| 35 | static char sccsid[] = "@(#)cmds.c 5.15 (Berkeley) 3/4/91"; |
| 36 | #endif /* not lint */ |
| 37 | |
| 38 | #include "tip.h" |
| 39 | #include "pathnames.h" |
| 40 | |
| 41 | /* |
| 42 | * tip |
| 43 | * |
| 44 | * miscellaneous commands |
| 45 | */ |
| 46 | |
| 47 | int quant[] = { 60, 60, 24 }; |
| 48 | |
| 49 | char null = '\0'; |
| 50 | char *sep[] = { "second", "minute", "hour" }; |
| 51 | static char *argv[10]; /* argument vector for take and put */ |
| 52 | |
| 53 | void timeout(); /* timeout function called on alarm */ |
| 54 | void stopsnd(); /* SIGINT handler during file transfers */ |
| 55 | void intcopy(); /* interrupt routine for file transfers */ |
| 56 | |
| 57 | /* |
| 58 | * FTP - remote ==> local |
| 59 | * get a file from the remote host |
| 60 | */ |
| 61 | getfl(c) |
| 62 | char c; |
| 63 | { |
| 64 | char buf[256], *cp, *expand(); |
| 65 | |
| 66 | putchar(c); |
| 67 | /* |
| 68 | * get the UNIX receiving file's name |
| 69 | */ |
| 70 | if (prompt("Local file name? ", copyname)) |
| 71 | return; |
| 72 | cp = expand(copyname); |
| 73 | if ((sfd = creat(cp, 0666)) < 0) { |
| 74 | printf("\r\n%s: cannot creat\r\n", copyname); |
| 75 | return; |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * collect parameters |
| 80 | */ |
| 81 | if (prompt("List command for remote system? ", buf)) { |
| 82 | unlink(copyname); |
| 83 | return; |
| 84 | } |
| 85 | transfer(buf, sfd, value(EOFREAD)); |
| 86 | } |
| 87 | |
| 88 | /* |
| 89 | * Cu-like take command |
| 90 | */ |
| 91 | cu_take(cc) |
| 92 | char cc; |
| 93 | { |
| 94 | int fd, argc; |
| 95 | char line[BUFSIZ], *expand(), *cp; |
| 96 | |
| 97 | if (prompt("[take] ", copyname)) |
| 98 | return; |
| 99 | if ((argc = args(copyname, argv)) < 1 || argc > 2) { |
| 100 | printf("usage: <take> from [to]\r\n"); |
| 101 | return; |
| 102 | } |
| 103 | if (argc == 1) |
| 104 | argv[1] = argv[0]; |
| 105 | cp = expand(argv[1]); |
| 106 | if ((fd = creat(cp, 0666)) < 0) { |
| 107 | printf("\r\n%s: cannot create\r\n", argv[1]); |
| 108 | return; |
| 109 | } |
| 110 | sprintf(line, "cat %s;echo \01", argv[0]); |
| 111 | transfer(line, fd, "\01"); |
| 112 | } |
| 113 | |
| 114 | static jmp_buf intbuf; |
| 115 | /* |
| 116 | * Bulk transfer routine -- |
| 117 | * used by getfl(), cu_take(), and pipefile() |
| 118 | */ |
| 119 | transfer(buf, fd, eofchars) |
| 120 | char *buf, *eofchars; |
| 121 | { |
| 122 | register int ct; |
| 123 | char c, buffer[BUFSIZ]; |
| 124 | register char *p = buffer; |
| 125 | register int cnt, eof; |
| 126 | time_t start; |
| 127 | sig_t f; |
| 128 | |
| 129 | pwrite(FD, buf, size(buf)); |
| 130 | quit = 0; |
| 131 | kill(pid, SIGIOT); |
| 132 | read(repdes[0], (char *)&ccc, 1); /* Wait until read process stops */ |
| 133 | |
| 134 | /* |
| 135 | * finish command |
| 136 | */ |
| 137 | pwrite(FD, "\r", 1); |
| 138 | do |
| 139 | read(FD, &c, 1); |
| 140 | while ((c&0177) != '\n'); |
| 141 | ioctl(0, TIOCSETC, &defchars); |
| 142 | |
| 143 | (void) setjmp(intbuf); |
| 144 | f = signal(SIGINT, intcopy); |
| 145 | start = time(0); |
| 146 | for (ct = 0; !quit;) { |
| 147 | eof = read(FD, &c, 1) <= 0; |
| 148 | c &= 0177; |
| 149 | if (quit) |
| 150 | continue; |
| 151 | if (eof || any(c, eofchars)) |
| 152 | break; |
| 153 | if (c == 0) |
| 154 | continue; /* ignore nulls */ |
| 155 | if (c == '\r') |
| 156 | continue; |
| 157 | *p++ = c; |
| 158 | |
| 159 | if (c == '\n' && boolean(value(VERBOSE))) |
| 160 | printf("\r%d", ++ct); |
| 161 | if ((cnt = (p-buffer)) == number(value(FRAMESIZE))) { |
| 162 | if (write(fd, buffer, cnt) != cnt) { |
| 163 | printf("\r\nwrite error\r\n"); |
| 164 | quit = 1; |
| 165 | } |
| 166 | p = buffer; |
| 167 | } |
| 168 | } |
| 169 | if (cnt = (p-buffer)) |
| 170 | if (write(fd, buffer, cnt) != cnt) |
| 171 | printf("\r\nwrite error\r\n"); |
| 172 | |
| 173 | if (boolean(value(VERBOSE))) |
| 174 | prtime(" lines transferred in ", time(0)-start); |
| 175 | ioctl(0, TIOCSETC, &tchars); |
| 176 | write(fildes[1], (char *)&ccc, 1); |
| 177 | signal(SIGINT, f); |
| 178 | close(fd); |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * FTP - remote ==> local process |
| 183 | * send remote input to local process via pipe |
| 184 | */ |
| 185 | pipefile() |
| 186 | { |
| 187 | int cpid, pdes[2]; |
| 188 | char buf[256]; |
| 189 | int status, p; |
| 190 | extern int errno; |
| 191 | |
| 192 | if (prompt("Local command? ", buf)) |
| 193 | return; |
| 194 | |
| 195 | if (pipe(pdes)) { |
| 196 | printf("can't establish pipe\r\n"); |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | if ((cpid = fork()) < 0) { |
| 201 | printf("can't fork!\r\n"); |
| 202 | return; |
| 203 | } else if (cpid) { |
| 204 | if (prompt("List command for remote system? ", buf)) { |
| 205 | close(pdes[0]), close(pdes[1]); |
| 206 | kill (cpid, SIGKILL); |
| 207 | } else { |
| 208 | close(pdes[0]); |
| 209 | signal(SIGPIPE, intcopy); |
| 210 | transfer(buf, pdes[1], value(EOFREAD)); |
| 211 | signal(SIGPIPE, SIG_DFL); |
| 212 | while ((p = wait(&status)) > 0 && p != cpid) |
| 213 | ; |
| 214 | } |
| 215 | } else { |
| 216 | register int f; |
| 217 | |
| 218 | dup2(pdes[0], 0); |
| 219 | close(pdes[0]); |
| 220 | for (f = 3; f < 20; f++) |
| 221 | close(f); |
| 222 | execute(buf); |
| 223 | printf("can't execl!\r\n"); |
| 224 | exit(0); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | * Interrupt service routine for FTP |
| 230 | */ |
| 231 | void |
| 232 | stopsnd() |
| 233 | { |
| 234 | |
| 235 | stop = 1; |
| 236 | signal(SIGINT, SIG_IGN); |
| 237 | } |
| 238 | |
| 239 | /* |
| 240 | * FTP - local ==> remote |
| 241 | * send local file to remote host |
| 242 | * terminate transmission with pseudo EOF sequence |
| 243 | */ |
| 244 | sendfile(cc) |
| 245 | char cc; |
| 246 | { |
| 247 | FILE *fd; |
| 248 | char *fnamex; |
| 249 | char *expand(); |
| 250 | |
| 251 | putchar(cc); |
| 252 | /* |
| 253 | * get file name |
| 254 | */ |
| 255 | if (prompt("Local file name? ", fname)) |
| 256 | return; |
| 257 | |
| 258 | /* |
| 259 | * look up file |
| 260 | */ |
| 261 | fnamex = expand(fname); |
| 262 | if ((fd = fopen(fnamex, "r")) == NULL) { |
| 263 | printf("%s: cannot open\r\n", fname); |
| 264 | return; |
| 265 | } |
| 266 | transmit(fd, value(EOFWRITE), NULL); |
| 267 | if (!boolean(value(ECHOCHECK))) { |
| 268 | struct sgttyb buf; |
| 269 | |
| 270 | ioctl(FD, TIOCGETP, &buf); /* this does a */ |
| 271 | ioctl(FD, TIOCSETP, &buf); /* wflushtty */ |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | /* |
| 276 | * Bulk transfer routine to remote host -- |
| 277 | * used by sendfile() and cu_put() |
| 278 | */ |
| 279 | transmit(fd, eofchars, command) |
| 280 | FILE *fd; |
| 281 | char *eofchars, *command; |
| 282 | { |
| 283 | char *pc, lastc; |
| 284 | int c, ccount, lcount; |
| 285 | time_t start_t, stop_t; |
| 286 | sig_t f; |
| 287 | |
| 288 | kill(pid, SIGIOT); /* put TIPOUT into a wait state */ |
| 289 | stop = 0; |
| 290 | f = signal(SIGINT, stopsnd); |
| 291 | ioctl(0, TIOCSETC, &defchars); |
| 292 | read(repdes[0], (char *)&ccc, 1); |
| 293 | if (command != NULL) { |
| 294 | for (pc = command; *pc; pc++) |
| 295 | send(*pc); |
| 296 | if (boolean(value(ECHOCHECK))) |
| 297 | read(FD, (char *)&c, 1); /* trailing \n */ |
| 298 | else { |
| 299 | struct sgttyb buf; |
| 300 | |
| 301 | ioctl(FD, TIOCGETP, &buf); /* this does a */ |
| 302 | ioctl(FD, TIOCSETP, &buf); /* wflushtty */ |
| 303 | sleep(5); /* wait for remote stty to take effect */ |
| 304 | } |
| 305 | } |
| 306 | lcount = 0; |
| 307 | lastc = '\0'; |
| 308 | start_t = time(0); |
| 309 | while (1) { |
| 310 | ccount = 0; |
| 311 | do { |
| 312 | c = getc(fd); |
| 313 | if (stop) |
| 314 | goto out; |
| 315 | if (c == EOF) |
| 316 | goto out; |
| 317 | if (c == 0177 && !boolean(value(RAWFTP))) |
| 318 | continue; |
| 319 | lastc = c; |
| 320 | if (c < 040) { |
| 321 | if (c == '\n') { |
| 322 | if (!boolean(value(RAWFTP))) |
| 323 | c = '\r'; |
| 324 | } |
| 325 | else if (c == '\t') { |
| 326 | if (!boolean(value(RAWFTP))) { |
| 327 | if (boolean(value(TABEXPAND))) { |
| 328 | send(' '); |
| 329 | while ((++ccount % 8) != 0) |
| 330 | send(' '); |
| 331 | continue; |
| 332 | } |
| 333 | } |
| 334 | } else |
| 335 | if (!boolean(value(RAWFTP))) |
| 336 | continue; |
| 337 | } |
| 338 | send(c); |
| 339 | } while (c != '\r' && !boolean(value(RAWFTP))); |
| 340 | if (boolean(value(VERBOSE))) |
| 341 | printf("\r%d", ++lcount); |
| 342 | if (boolean(value(ECHOCHECK))) { |
| 343 | timedout = 0; |
| 344 | alarm((int)value(ETIMEOUT)); |
| 345 | do { /* wait for prompt */ |
| 346 | read(FD, (char *)&c, 1); |
| 347 | if (timedout || stop) { |
| 348 | if (timedout) |
| 349 | printf("\r\ntimed out at eol\r\n"); |
| 350 | alarm(0); |
| 351 | goto out; |
| 352 | } |
| 353 | } while ((c&0177) != character(value(PROMPT))); |
| 354 | alarm(0); |
| 355 | } |
| 356 | } |
| 357 | out: |
| 358 | if (lastc != '\n' && !boolean(value(RAWFTP))) |
| 359 | send('\r'); |
| 360 | for (pc = eofchars; *pc; pc++) |
| 361 | send(*pc); |
| 362 | stop_t = time(0); |
| 363 | fclose(fd); |
| 364 | signal(SIGINT, f); |
| 365 | if (boolean(value(VERBOSE))) |
| 366 | if (boolean(value(RAWFTP))) |
| 367 | prtime(" chars transferred in ", stop_t-start_t); |
| 368 | else |
| 369 | prtime(" lines transferred in ", stop_t-start_t); |
| 370 | write(fildes[1], (char *)&ccc, 1); |
| 371 | ioctl(0, TIOCSETC, &tchars); |
| 372 | } |
| 373 | |
| 374 | /* |
| 375 | * Cu-like put command |
| 376 | */ |
| 377 | cu_put(cc) |
| 378 | char cc; |
| 379 | { |
| 380 | FILE *fd; |
| 381 | char line[BUFSIZ]; |
| 382 | int argc; |
| 383 | char *expand(); |
| 384 | char *copynamex; |
| 385 | |
| 386 | if (prompt("[put] ", copyname)) |
| 387 | return; |
| 388 | if ((argc = args(copyname, argv)) < 1 || argc > 2) { |
| 389 | printf("usage: <put> from [to]\r\n"); |
| 390 | return; |
| 391 | } |
| 392 | if (argc == 1) |
| 393 | argv[1] = argv[0]; |
| 394 | copynamex = expand(argv[0]); |
| 395 | if ((fd = fopen(copynamex, "r")) == NULL) { |
| 396 | printf("%s: cannot open\r\n", copynamex); |
| 397 | return; |
| 398 | } |
| 399 | if (boolean(value(ECHOCHECK))) |
| 400 | sprintf(line, "cat>%s\r", argv[1]); |
| 401 | else |
| 402 | sprintf(line, "stty -echo;cat>%s;stty echo\r", argv[1]); |
| 403 | transmit(fd, "\04", line); |
| 404 | } |
| 405 | |
| 406 | /* |
| 407 | * FTP - send single character |
| 408 | * wait for echo & handle timeout |
| 409 | */ |
| 410 | send(c) |
| 411 | char c; |
| 412 | { |
| 413 | char cc; |
| 414 | int retry = 0; |
| 415 | |
| 416 | cc = c; |
| 417 | pwrite(FD, &cc, 1); |
| 418 | #ifdef notdef |
| 419 | if (number(value(CDELAY)) > 0 && c != '\r') |
| 420 | nap(number(value(CDELAY))); |
| 421 | #endif |
| 422 | if (!boolean(value(ECHOCHECK))) { |
| 423 | #ifdef notdef |
| 424 | if (number(value(LDELAY)) > 0 && c == '\r') |
| 425 | nap(number(value(LDELAY))); |
| 426 | #endif |
| 427 | return; |
| 428 | } |
| 429 | tryagain: |
| 430 | timedout = 0; |
| 431 | alarm((int)value(ETIMEOUT)); |
| 432 | read(FD, &cc, 1); |
| 433 | alarm(0); |
| 434 | if (timedout) { |
| 435 | printf("\r\ntimeout error (%s)\r\n", ctrl(c)); |
| 436 | if (retry++ > 3) |
| 437 | return; |
| 438 | pwrite(FD, &null, 1); /* poke it */ |
| 439 | goto tryagain; |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | void |
| 444 | timeout() |
| 445 | { |
| 446 | signal(SIGALRM, timeout); |
| 447 | timedout = 1; |
| 448 | } |
| 449 | |
| 450 | /* |
| 451 | * Stolen from consh() -- puts a remote file on the output of a local command. |
| 452 | * Identical to consh() except for where stdout goes. |
| 453 | */ |
| 454 | pipeout(c) |
| 455 | { |
| 456 | char buf[256]; |
| 457 | int cpid, status, p; |
| 458 | time_t start; |
| 459 | |
| 460 | putchar(c); |
| 461 | if (prompt("Local command? ", buf)) |
| 462 | return; |
| 463 | kill(pid, SIGIOT); /* put TIPOUT into a wait state */ |
| 464 | signal(SIGINT, SIG_IGN); |
| 465 | signal(SIGQUIT, SIG_IGN); |
| 466 | ioctl(0, TIOCSETC, &defchars); |
| 467 | read(repdes[0], (char *)&ccc, 1); |
| 468 | /* |
| 469 | * Set up file descriptors in the child and |
| 470 | * let it go... |
| 471 | */ |
| 472 | if ((cpid = fork()) < 0) |
| 473 | printf("can't fork!\r\n"); |
| 474 | else if (cpid) { |
| 475 | start = time(0); |
| 476 | while ((p = wait(&status)) > 0 && p != cpid) |
| 477 | ; |
| 478 | } else { |
| 479 | register int i; |
| 480 | |
| 481 | dup2(FD, 1); |
| 482 | for (i = 3; i < 20; i++) |
| 483 | close(i); |
| 484 | signal(SIGINT, SIG_DFL); |
| 485 | signal(SIGQUIT, SIG_DFL); |
| 486 | execute(buf); |
| 487 | printf("can't find `%s'\r\n", buf); |
| 488 | exit(0); |
| 489 | } |
| 490 | if (boolean(value(VERBOSE))) |
| 491 | prtime("away for ", time(0)-start); |
| 492 | write(fildes[1], (char *)&ccc, 1); |
| 493 | ioctl(0, TIOCSETC, &tchars); |
| 494 | signal(SIGINT, SIG_DFL); |
| 495 | signal(SIGQUIT, SIG_DFL); |
| 496 | } |
| 497 | |
| 498 | #ifdef CONNECT |
| 499 | /* |
| 500 | * Fork a program with: |
| 501 | * 0 <-> remote tty in |
| 502 | * 1 <-> remote tty out |
| 503 | * 2 <-> local tty out |
| 504 | */ |
| 505 | consh(c) |
| 506 | { |
| 507 | char buf[256]; |
| 508 | int cpid, status, p; |
| 509 | time_t start; |
| 510 | |
| 511 | putchar(c); |
| 512 | if (prompt("Local command? ", buf)) |
| 513 | return; |
| 514 | kill(pid, SIGIOT); /* put TIPOUT into a wait state */ |
| 515 | signal(SIGINT, SIG_IGN); |
| 516 | signal(SIGQUIT, SIG_IGN); |
| 517 | ioctl(0, TIOCSETC, &defchars); |
| 518 | read(repdes[0], (char *)&ccc, 1); |
| 519 | /* |
| 520 | * Set up file descriptors in the child and |
| 521 | * let it go... |
| 522 | */ |
| 523 | if ((cpid = fork()) < 0) |
| 524 | printf("can't fork!\r\n"); |
| 525 | else if (cpid) { |
| 526 | start = time(0); |
| 527 | while ((p = wait(&status)) > 0 && p != cpid) |
| 528 | ; |
| 529 | } else { |
| 530 | register int i; |
| 531 | |
| 532 | dup2(1, 2); |
| 533 | dup2(FD, 0); |
| 534 | dup2(0, 1); |
| 535 | for (i = 3; i < 20; i++) |
| 536 | close(i); |
| 537 | signal(SIGINT, SIG_DFL); |
| 538 | signal(SIGQUIT, SIG_DFL); |
| 539 | execute(buf); |
| 540 | printf("can't find `%s'\r\n", buf); |
| 541 | exit(0); |
| 542 | } |
| 543 | if (boolean(value(VERBOSE))) |
| 544 | prtime("away for ", time(0)-start); |
| 545 | write(fildes[1], (char *)&ccc, 1); |
| 546 | ioctl(0, TIOCSETC, &tchars); |
| 547 | signal(SIGINT, SIG_DFL); |
| 548 | signal(SIGQUIT, SIG_DFL); |
| 549 | } |
| 550 | #endif |
| 551 | |
| 552 | /* |
| 553 | * Escape to local shell |
| 554 | */ |
| 555 | shell() |
| 556 | { |
| 557 | int shpid, status; |
| 558 | extern char **environ; |
| 559 | char *cp; |
| 560 | |
| 561 | printf("[sh]\r\n"); |
| 562 | signal(SIGINT, SIG_IGN); |
| 563 | signal(SIGQUIT, SIG_IGN); |
| 564 | unraw(); |
| 565 | if (shpid = fork()) { |
| 566 | while (shpid != wait(&status)); |
| 567 | raw(); |
| 568 | printf("\r\n!\r\n"); |
| 569 | signal(SIGINT, SIG_DFL); |
| 570 | signal(SIGQUIT, SIG_DFL); |
| 571 | return; |
| 572 | } else { |
| 573 | signal(SIGQUIT, SIG_DFL); |
| 574 | signal(SIGINT, SIG_DFL); |
| 575 | if ((cp = rindex(value(SHELL), '/')) == NULL) |
| 576 | cp = value(SHELL); |
| 577 | else |
| 578 | cp++; |
| 579 | shell_uid(); |
| 580 | execl(value(SHELL), cp, 0); |
| 581 | printf("\r\ncan't execl!\r\n"); |
| 582 | exit(1); |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | /* |
| 587 | * TIPIN portion of scripting |
| 588 | * initiate the conversation with TIPOUT |
| 589 | */ |
| 590 | setscript() |
| 591 | { |
| 592 | char c; |
| 593 | /* |
| 594 | * enable TIPOUT side for dialogue |
| 595 | */ |
| 596 | kill(pid, SIGEMT); |
| 597 | if (boolean(value(SCRIPT))) |
| 598 | write(fildes[1], value(RECORD), size(value(RECORD))); |
| 599 | write(fildes[1], "\n", 1); |
| 600 | /* |
| 601 | * wait for TIPOUT to finish |
| 602 | */ |
| 603 | read(repdes[0], &c, 1); |
| 604 | if (c == 'n') |
| 605 | printf("can't create %s\r\n", value(RECORD)); |
| 606 | } |
| 607 | |
| 608 | /* |
| 609 | * Change current working directory of |
| 610 | * local portion of tip |
| 611 | */ |
| 612 | chdirectory() |
| 613 | { |
| 614 | char dirname[80]; |
| 615 | register char *cp = dirname; |
| 616 | |
| 617 | if (prompt("[cd] ", dirname)) { |
| 618 | if (stoprompt) |
| 619 | return; |
| 620 | cp = value(HOME); |
| 621 | } |
| 622 | if (chdir(cp) < 0) |
| 623 | printf("%s: bad directory\r\n", cp); |
| 624 | printf("!\r\n"); |
| 625 | } |
| 626 | |
| 627 | tipabort(msg) |
| 628 | char *msg; |
| 629 | { |
| 630 | |
| 631 | kill(pid, SIGTERM); |
| 632 | disconnect(msg); |
| 633 | if (msg != NOSTR) |
| 634 | printf("\r\n%s", msg); |
| 635 | printf("\r\n[EOT]\r\n"); |
| 636 | daemon_uid(); |
| 637 | (void)uu_unlock(uucplock); |
| 638 | unraw(); |
| 639 | exit(0); |
| 640 | } |
| 641 | |
| 642 | finish() |
| 643 | { |
| 644 | char *dismsg; |
| 645 | |
| 646 | if ((dismsg = value(DISCONNECT)) != NOSTR) { |
| 647 | write(FD, dismsg, strlen(dismsg)); |
| 648 | sleep(5); |
| 649 | } |
| 650 | tipabort(NOSTR); |
| 651 | } |
| 652 | |
| 653 | void |
| 654 | intcopy() |
| 655 | { |
| 656 | raw(); |
| 657 | quit = 1; |
| 658 | longjmp(intbuf, 1); |
| 659 | } |
| 660 | |
| 661 | execute(s) |
| 662 | char *s; |
| 663 | { |
| 664 | register char *cp; |
| 665 | |
| 666 | if ((cp = rindex(value(SHELL), '/')) == NULL) |
| 667 | cp = value(SHELL); |
| 668 | else |
| 669 | cp++; |
| 670 | shell_uid(); |
| 671 | execl(value(SHELL), cp, "-c", s, 0); |
| 672 | } |
| 673 | |
| 674 | args(buf, a) |
| 675 | char *buf, *a[]; |
| 676 | { |
| 677 | register char *p = buf, *start; |
| 678 | register char **parg = a; |
| 679 | register int n = 0; |
| 680 | |
| 681 | do { |
| 682 | while (*p && (*p == ' ' || *p == '\t')) |
| 683 | p++; |
| 684 | start = p; |
| 685 | if (*p) |
| 686 | *parg = p; |
| 687 | while (*p && (*p != ' ' && *p != '\t')) |
| 688 | p++; |
| 689 | if (p != start) |
| 690 | parg++, n++; |
| 691 | if (*p) |
| 692 | *p++ = '\0'; |
| 693 | } while (*p); |
| 694 | |
| 695 | return(n); |
| 696 | } |
| 697 | |
| 698 | prtime(s, a) |
| 699 | char *s; |
| 700 | time_t a; |
| 701 | { |
| 702 | register i; |
| 703 | int nums[3]; |
| 704 | |
| 705 | for (i = 0; i < 3; i++) { |
| 706 | nums[i] = (int)(a % quant[i]); |
| 707 | a /= quant[i]; |
| 708 | } |
| 709 | printf("%s", s); |
| 710 | while (--i >= 0) |
| 711 | if (nums[i] || i == 0 && nums[1] == 0 && nums[2] == 0) |
| 712 | printf("%d %s%c ", nums[i], sep[i], |
| 713 | nums[i] == 1 ? '\0' : 's'); |
| 714 | printf("\r\n!\r\n"); |
| 715 | } |
| 716 | |
| 717 | variable() |
| 718 | { |
| 719 | char buf[256]; |
| 720 | |
| 721 | if (prompt("[set] ", buf)) |
| 722 | return; |
| 723 | vlex(buf); |
| 724 | if (vtable[BEAUTIFY].v_access&CHANGED) { |
| 725 | vtable[BEAUTIFY].v_access &= ~CHANGED; |
| 726 | kill(pid, SIGSYS); |
| 727 | } |
| 728 | if (vtable[SCRIPT].v_access&CHANGED) { |
| 729 | vtable[SCRIPT].v_access &= ~CHANGED; |
| 730 | setscript(); |
| 731 | /* |
| 732 | * So that "set record=blah script" doesn't |
| 733 | * cause two transactions to occur. |
| 734 | */ |
| 735 | if (vtable[RECORD].v_access&CHANGED) |
| 736 | vtable[RECORD].v_access &= ~CHANGED; |
| 737 | } |
| 738 | if (vtable[RECORD].v_access&CHANGED) { |
| 739 | vtable[RECORD].v_access &= ~CHANGED; |
| 740 | if (boolean(value(SCRIPT))) |
| 741 | setscript(); |
| 742 | } |
| 743 | if (vtable[TAND].v_access&CHANGED) { |
| 744 | vtable[TAND].v_access &= ~CHANGED; |
| 745 | if (boolean(value(TAND))) |
| 746 | tandem("on"); |
| 747 | else |
| 748 | tandem("off"); |
| 749 | } |
| 750 | if (vtable[LECHO].v_access&CHANGED) { |
| 751 | vtable[LECHO].v_access &= ~CHANGED; |
| 752 | HD = boolean(value(LECHO)); |
| 753 | } |
| 754 | if (vtable[PARITY].v_access&CHANGED) { |
| 755 | vtable[PARITY].v_access &= ~CHANGED; |
| 756 | setparity(); |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | /* |
| 761 | * Turn tandem mode on or off for remote tty. |
| 762 | */ |
| 763 | tandem(option) |
| 764 | char *option; |
| 765 | { |
| 766 | struct sgttyb rmtty; |
| 767 | |
| 768 | ioctl(FD, TIOCGETP, &rmtty); |
| 769 | if (strcmp(option,"on") == 0) { |
| 770 | rmtty.sg_flags |= TANDEM; |
| 771 | arg.sg_flags |= TANDEM; |
| 772 | } else { |
| 773 | rmtty.sg_flags &= ~TANDEM; |
| 774 | arg.sg_flags &= ~TANDEM; |
| 775 | } |
| 776 | ioctl(FD, TIOCSETP, &rmtty); |
| 777 | ioctl(0, TIOCSETP, &arg); |
| 778 | } |
| 779 | |
| 780 | /* |
| 781 | * Send a break. |
| 782 | */ |
| 783 | genbrk() |
| 784 | { |
| 785 | |
| 786 | ioctl(FD, TIOCSBRK, NULL); |
| 787 | sleep(1); |
| 788 | ioctl(FD, TIOCCBRK, NULL); |
| 789 | } |
| 790 | |
| 791 | /* |
| 792 | * Suspend tip |
| 793 | */ |
| 794 | suspend(c) |
| 795 | char c; |
| 796 | { |
| 797 | |
| 798 | unraw(); |
| 799 | kill(c == CTRL('y') ? getpid() : 0, SIGTSTP); |
| 800 | raw(); |
| 801 | } |
| 802 | |
| 803 | /* |
| 804 | * expand a file name if it includes shell meta characters |
| 805 | */ |
| 806 | |
| 807 | char * |
| 808 | expand(name) |
| 809 | char name[]; |
| 810 | { |
| 811 | static char xname[BUFSIZ]; |
| 812 | char cmdbuf[BUFSIZ]; |
| 813 | register int pid, l, rc; |
| 814 | register char *cp, *Shell; |
| 815 | int s, pivec[2], (*sigint)(); |
| 816 | |
| 817 | if (!anyof(name, "~{[*?$`'\"\\")) |
| 818 | return(name); |
| 819 | /* sigint = signal(SIGINT, SIG_IGN); */ |
| 820 | if (pipe(pivec) < 0) { |
| 821 | perror("pipe"); |
| 822 | /* signal(SIGINT, sigint) */ |
| 823 | return(name); |
| 824 | } |
| 825 | sprintf(cmdbuf, "echo %s", name); |
| 826 | if ((pid = vfork()) == 0) { |
| 827 | Shell = value(SHELL); |
| 828 | if (Shell == NOSTR) |
| 829 | Shell = _PATH_BSHELL; |
| 830 | close(pivec[0]); |
| 831 | close(1); |
| 832 | dup(pivec[1]); |
| 833 | close(pivec[1]); |
| 834 | close(2); |
| 835 | shell_uid(); |
| 836 | execl(Shell, Shell, "-c", cmdbuf, 0); |
| 837 | _exit(1); |
| 838 | } |
| 839 | if (pid == -1) { |
| 840 | perror("fork"); |
| 841 | close(pivec[0]); |
| 842 | close(pivec[1]); |
| 843 | return(NOSTR); |
| 844 | } |
| 845 | close(pivec[1]); |
| 846 | l = read(pivec[0], xname, BUFSIZ); |
| 847 | close(pivec[0]); |
| 848 | while (wait(&s) != pid); |
| 849 | ; |
| 850 | s &= 0377; |
| 851 | if (s != 0 && s != SIGPIPE) { |
| 852 | fprintf(stderr, "\"Echo\" failed\n"); |
| 853 | return(NOSTR); |
| 854 | } |
| 855 | if (l < 0) { |
| 856 | perror("read"); |
| 857 | return(NOSTR); |
| 858 | } |
| 859 | if (l == 0) { |
| 860 | fprintf(stderr, "\"%s\": No match\n", name); |
| 861 | return(NOSTR); |
| 862 | } |
| 863 | if (l == BUFSIZ) { |
| 864 | fprintf(stderr, "Buffer overflow expanding \"%s\"\n", name); |
| 865 | return(NOSTR); |
| 866 | } |
| 867 | xname[l] = 0; |
| 868 | for (cp = &xname[l-1]; *cp == '\n' && cp > xname; cp--) |
| 869 | ; |
| 870 | *++cp = '\0'; |
| 871 | return(xname); |
| 872 | } |
| 873 | |
| 874 | /* |
| 875 | * Are any of the characters in the two strings the same? |
| 876 | */ |
| 877 | |
| 878 | anyof(s1, s2) |
| 879 | register char *s1, *s2; |
| 880 | { |
| 881 | register int c; |
| 882 | |
| 883 | while (c = *s1++) |
| 884 | if (any(c, s2)) |
| 885 | return(1); |
| 886 | return(0); |
| 887 | } |