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1.14 ! hugh 1: /* $OpenBSD: cmds.c,v 1.13 2001/10/24 18:38:58 millert Exp $ */
1.5 millert 2: /* $NetBSD: cmds.c,v 1.7 1997/02/11 09:24:03 mrg Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)cmds.c 8.1 (Berkeley) 6/6/93";
40: #endif
1.14 ! hugh 41: static const char rcsid[] = "$OpenBSD: cmds.c,v 1.13 2001/10/24 18:38:58 millert Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: #include "tip.h"
45: #include "pathnames.h"
46:
1.11 millert 47: #include <vis.h>
48:
1.1 deraadt 49: /*
50: * tip
51: *
52: * miscellaneous commands
53: */
54:
55: int quant[] = { 60, 60, 24 };
56:
57: char null = '\0';
58: char *sep[] = { "second", "minute", "hour" };
59: static char *argv[10]; /* argument vector for take and put */
60:
61: void timeout(); /* timeout function called on alarm */
62: void stopsnd(); /* SIGINT handler during file transfers */
63: void intcopy(); /* interrupt routine for file transfers */
64:
65: /*
66: * FTP - remote ==> local
67: * get a file from the remote host
68: */
1.7 deraadt 69: void
1.1 deraadt 70: getfl(c)
71: char c;
72: {
73: char buf[256], *cp, *expand();
74:
75: putchar(c);
76: /*
77: * get the UNIX receiving file's name
78: */
1.6 millert 79: if (prompt("Local file name? ", copyname, sizeof(copyname)))
1.1 deraadt 80: return;
81: cp = expand(copyname);
82: if ((sfd = creat(cp, 0666)) < 0) {
83: printf("\r\n%s: cannot creat\r\n", copyname);
84: return;
85: }
86:
87: /*
88: * collect parameters
89: */
1.6 millert 90: if (prompt("List command for remote system? ", buf, sizeof(buf))) {
1.1 deraadt 91: unlink(copyname);
92: return;
93: }
94: transfer(buf, sfd, value(EOFREAD));
95: }
96:
97: /*
98: * Cu-like take command
99: */
1.7 deraadt 100: void
1.1 deraadt 101: cu_take(cc)
102: char cc;
103: {
104: int fd, argc;
105: char line[BUFSIZ], *expand(), *cp;
106:
1.6 millert 107: if (prompt("[take] ", copyname, sizeof(copyname)))
1.1 deraadt 108: return;
1.7 deraadt 109: if ((argc = args(copyname, argv, sizeof(argv)/sizeof(argv[0]))) < 1 ||
110: argc > 2) {
1.1 deraadt 111: printf("usage: <take> from [to]\r\n");
112: return;
113: }
114: if (argc == 1)
115: argv[1] = argv[0];
116: cp = expand(argv[1]);
117: if ((fd = creat(cp, 0666)) < 0) {
118: printf("\r\n%s: cannot create\r\n", argv[1]);
119: return;
120: }
1.5 millert 121: (void)snprintf(line, sizeof(line), "cat %s;echo \01", argv[0]);
1.1 deraadt 122: transfer(line, fd, "\01");
123: }
124:
125: static jmp_buf intbuf;
1.7 deraadt 126:
1.1 deraadt 127: /*
128: * Bulk transfer routine --
129: * used by getfl(), cu_take(), and pipefile()
130: */
1.7 deraadt 131: void
1.1 deraadt 132: transfer(buf, fd, eofchars)
133: char *buf, *eofchars;
1.7 deraadt 134: int fd;
1.1 deraadt 135: {
1.13 millert 136: int ct;
1.1 deraadt 137: char c, buffer[BUFSIZ];
1.7 deraadt 138: char *p = buffer;
1.13 millert 139: int cnt, eof;
1.1 deraadt 140: time_t start;
141: sig_t f;
142: char r;
143:
1.8 deraadt 144: parwrite(FD, buf, size(buf));
1.1 deraadt 145: quit = 0;
146: kill(pid, SIGIOT);
147: read(repdes[0], (char *)&ccc, 1); /* Wait until read process stops */
148:
149: /*
150: * finish command
151: */
152: r = '\r';
1.8 deraadt 153: parwrite(FD, &r, 1);
1.1 deraadt 154: do
155: read(FD, &c, 1);
1.2 deraadt 156: while ((c&STRIP_PAR) != '\n');
157: tcsetattr(0, TCSAFLUSH, &defchars);
1.1 deraadt 158:
159: (void) setjmp(intbuf);
160: f = signal(SIGINT, intcopy);
161: start = time(0);
162: for (ct = 0; !quit;) {
163: eof = read(FD, &c, 1) <= 0;
1.2 deraadt 164: c &= STRIP_PAR;
1.1 deraadt 165: if (quit)
166: continue;
167: if (eof || any(c, eofchars))
168: break;
169: if (c == 0)
170: continue; /* ignore nulls */
171: if (c == '\r')
172: continue;
173: *p++ = c;
174:
175: if (c == '\n' && boolean(value(VERBOSE)))
176: printf("\r%d", ++ct);
177: if ((cnt = (p-buffer)) == number(value(FRAMESIZE))) {
178: if (write(fd, buffer, cnt) != cnt) {
179: printf("\r\nwrite error\r\n");
180: quit = 1;
181: }
182: p = buffer;
183: }
184: }
1.7 deraadt 185: if ((cnt = (p-buffer)))
1.1 deraadt 186: if (write(fd, buffer, cnt) != cnt)
187: printf("\r\nwrite error\r\n");
188:
189: if (boolean(value(VERBOSE)))
190: prtime(" lines transferred in ", time(0)-start);
1.2 deraadt 191: tcsetattr(0, TCSAFLUSH, &term);
1.1 deraadt 192: write(fildes[1], (char *)&ccc, 1);
193: signal(SIGINT, f);
194: close(fd);
195: }
196:
197: /*
198: * FTP - remote ==> local process
199: * send remote input to local process via pipe
200: */
1.7 deraadt 201: void
1.1 deraadt 202: pipefile()
203: {
204: int cpid, pdes[2];
205: char buf[256];
206: int status, p;
207:
1.6 millert 208: if (prompt("Local command? ", buf, sizeof(buf)))
1.1 deraadt 209: return;
210:
211: if (pipe(pdes)) {
212: printf("can't establish pipe\r\n");
213: return;
214: }
215:
216: if ((cpid = fork()) < 0) {
217: printf("can't fork!\r\n");
218: return;
219: } else if (cpid) {
1.6 millert 220: if (prompt("List command for remote system? ", buf, sizeof(buf))) {
1.1 deraadt 221: close(pdes[0]), close(pdes[1]);
222: kill (cpid, SIGKILL);
223: } else {
224: close(pdes[0]);
225: signal(SIGPIPE, intcopy);
226: transfer(buf, pdes[1], value(EOFREAD));
227: signal(SIGPIPE, SIG_DFL);
228: while ((p = wait(&status)) > 0 && p != cpid)
229: ;
230: }
231: } else {
1.13 millert 232: int f;
1.1 deraadt 233:
234: dup2(pdes[0], 0);
235: close(pdes[0]);
236: for (f = 3; f < 20; f++)
237: close(f);
238: execute(buf);
239: printf("can't execl!\r\n");
240: exit(0);
241: }
242: }
243:
244: /*
245: * Interrupt service routine for FTP
246: */
247: void
248: stopsnd()
249: {
250:
251: stop = 1;
252: signal(SIGINT, SIG_IGN);
253: }
254:
255: /*
256: * FTP - local ==> remote
257: * send local file to remote host
258: * terminate transmission with pseudo EOF sequence
259: */
1.7 deraadt 260: void
1.1 deraadt 261: sendfile(cc)
262: char cc;
263: {
264: FILE *fd;
265: char *fnamex;
266: char *expand();
267:
268: putchar(cc);
269: /*
270: * get file name
271: */
1.6 millert 272: if (prompt("Local file name? ", fname, sizeof(fname)))
1.1 deraadt 273: return;
274:
275: /*
276: * look up file
277: */
278: fnamex = expand(fname);
279: if ((fd = fopen(fnamex, "r")) == NULL) {
280: printf("%s: cannot open\r\n", fname);
281: return;
282: }
283: transmit(fd, value(EOFWRITE), NULL);
1.2 deraadt 284: if (!boolean(value(ECHOCHECK)))
285: tcdrain(FD);
1.1 deraadt 286: }
287:
288: /*
289: * Bulk transfer routine to remote host --
290: * used by sendfile() and cu_put()
291: */
1.7 deraadt 292: void
1.1 deraadt 293: transmit(fd, eofchars, command)
294: FILE *fd;
295: char *eofchars, *command;
296: {
297: char *pc, lastc;
298: int c, ccount, lcount;
299: time_t start_t, stop_t;
300: sig_t f;
301:
302: kill(pid, SIGIOT); /* put TIPOUT into a wait state */
303: stop = 0;
304: f = signal(SIGINT, stopsnd);
1.2 deraadt 305: tcsetattr(0, TCSAFLUSH, &defchars);
1.1 deraadt 306: read(repdes[0], (char *)&ccc, 1);
307: if (command != NULL) {
308: for (pc = command; *pc; pc++)
309: send(*pc);
310: if (boolean(value(ECHOCHECK)))
311: read(FD, (char *)&c, 1); /* trailing \n */
312: else {
1.2 deraadt 313: tcdrain(FD);
1.1 deraadt 314: sleep(5); /* wait for remote stty to take effect */
315: }
316: }
317: lcount = 0;
318: lastc = '\0';
319: start_t = time(0);
320: while (1) {
321: ccount = 0;
322: do {
323: c = getc(fd);
324: if (stop)
325: goto out;
326: if (c == EOF)
327: goto out;
328: if (c == 0177 && !boolean(value(RAWFTP)))
329: continue;
330: lastc = c;
331: if (c < 040) {
332: if (c == '\n') {
333: if (!boolean(value(RAWFTP)))
334: c = '\r';
335: }
336: else if (c == '\t') {
337: if (!boolean(value(RAWFTP))) {
338: if (boolean(value(TABEXPAND))) {
339: send(' ');
340: while ((++ccount % 8) != 0)
341: send(' ');
342: continue;
343: }
344: }
345: } else
346: if (!boolean(value(RAWFTP)))
347: continue;
348: }
349: send(c);
350: } while (c != '\r' && !boolean(value(RAWFTP)));
351: if (boolean(value(VERBOSE)))
352: printf("\r%d", ++lcount);
353: if (boolean(value(ECHOCHECK))) {
354: timedout = 0;
355: alarm((long)value(ETIMEOUT));
356: do { /* wait for prompt */
357: read(FD, (char *)&c, 1);
358: if (timedout || stop) {
359: if (timedout)
360: printf("\r\ntimed out at eol\r\n");
361: alarm(0);
362: goto out;
363: }
1.2 deraadt 364: } while ((c&STRIP_PAR) != character(value(PROMPT)));
1.1 deraadt 365: alarm(0);
366: }
367: }
368: out:
369: if (lastc != '\n' && !boolean(value(RAWFTP)))
370: send('\r');
371: if (eofchars) {
372: for (pc = eofchars; *pc; pc++)
373: send(*pc);
374: }
375: stop_t = time(0);
376: fclose(fd);
377: signal(SIGINT, f);
1.10 deraadt 378: if (boolean(value(VERBOSE))) {
1.1 deraadt 379: if (boolean(value(RAWFTP)))
380: prtime(" chars transferred in ", stop_t-start_t);
381: else
382: prtime(" lines transferred in ", stop_t-start_t);
1.10 deraadt 383: }
1.1 deraadt 384: write(fildes[1], (char *)&ccc, 1);
1.2 deraadt 385: tcsetattr(0, TCSAFLUSH, &term);
1.1 deraadt 386: }
387:
388: /*
389: * Cu-like put command
390: */
1.7 deraadt 391: void
1.1 deraadt 392: cu_put(cc)
393: char cc;
394: {
395: FILE *fd;
396: char line[BUFSIZ];
397: int argc;
398: char *expand();
399: char *copynamex;
400:
1.6 millert 401: if (prompt("[put] ", copyname, sizeof(copyname)))
1.1 deraadt 402: return;
1.7 deraadt 403: if ((argc = args(copyname, argv, sizeof(argv)/sizeof(argv[0]))) < 1 ||
404: argc > 2) {
1.1 deraadt 405: printf("usage: <put> from [to]\r\n");
406: return;
407: }
408: if (argc == 1)
409: argv[1] = argv[0];
410: copynamex = expand(argv[0]);
411: if ((fd = fopen(copynamex, "r")) == NULL) {
412: printf("%s: cannot open\r\n", copynamex);
413: return;
414: }
415: if (boolean(value(ECHOCHECK)))
1.5 millert 416: (void)snprintf(line, sizeof(line), "cat>%s\r", argv[1]);
1.1 deraadt 417: else
1.5 millert 418: (void)snprintf(line, sizeof(line),
419: "stty -echo;cat>%s;stty echo\r", argv[1]);
1.1 deraadt 420: transmit(fd, "\04", line);
421: }
422:
423: /*
424: * FTP - send single character
425: * wait for echo & handle timeout
426: */
1.7 deraadt 427: void
1.1 deraadt 428: send(c)
1.7 deraadt 429: int c;
1.1 deraadt 430: {
431: char cc;
432: int retry = 0;
433:
434: cc = c;
1.8 deraadt 435: parwrite(FD, &cc, 1);
1.1 deraadt 436: #ifdef notdef
437: if (number(value(CDELAY)) > 0 && c != '\r')
438: nap(number(value(CDELAY)));
439: #endif
440: if (!boolean(value(ECHOCHECK))) {
441: #ifdef notdef
442: if (number(value(LDELAY)) > 0 && c == '\r')
443: nap(number(value(LDELAY)));
444: #endif
445: return;
446: }
447: tryagain:
448: timedout = 0;
449: alarm((long)value(ETIMEOUT));
450: read(FD, &cc, 1);
451: alarm(0);
452: if (timedout) {
453: printf("\r\ntimeout error (%s)\r\n", ctrl(c));
454: if (retry++ > 3)
455: return;
1.8 deraadt 456: parwrite(FD, &null, 1); /* poke it */
1.1 deraadt 457: goto tryagain;
458: }
459: }
460:
461: void
462: timeout()
463: {
464: signal(SIGALRM, timeout);
465: timedout = 1;
466: }
467:
468: /*
469: * Stolen from consh() -- puts a remote file on the output of a local command.
470: * Identical to consh() except for where stdout goes.
471: */
1.7 deraadt 472: void
1.1 deraadt 473: pipeout(c)
474: {
475: char buf[256];
476: int cpid, status, p;
1.7 deraadt 477: time_t start = time(NULL);
1.1 deraadt 478:
479: putchar(c);
1.6 millert 480: if (prompt("Local command? ", buf, sizeof(buf)))
1.1 deraadt 481: return;
482: kill(pid, SIGIOT); /* put TIPOUT into a wait state */
483: signal(SIGINT, SIG_IGN);
484: signal(SIGQUIT, SIG_IGN);
1.2 deraadt 485: tcsetattr(0, TCSAFLUSH, &defchars);
1.1 deraadt 486: read(repdes[0], (char *)&ccc, 1);
487: /*
488: * Set up file descriptors in the child and
489: * let it go...
490: */
491: if ((cpid = fork()) < 0)
492: printf("can't fork!\r\n");
493: else if (cpid) {
1.7 deraadt 494: start = time(NULL);
1.1 deraadt 495: while ((p = wait(&status)) > 0 && p != cpid)
496: ;
497: } else {
1.13 millert 498: int i;
1.1 deraadt 499:
500: dup2(FD, 1);
501: for (i = 3; i < 20; i++)
502: close(i);
503: signal(SIGINT, SIG_DFL);
504: signal(SIGQUIT, SIG_DFL);
505: execute(buf);
506: printf("can't find `%s'\r\n", buf);
507: exit(0);
508: }
509: if (boolean(value(VERBOSE)))
510: prtime("away for ", time(0)-start);
511: write(fildes[1], (char *)&ccc, 1);
1.2 deraadt 512: tcsetattr(0, TCSAFLUSH, &term);
1.1 deraadt 513: signal(SIGINT, SIG_DFL);
514: signal(SIGQUIT, SIG_DFL);
515: }
516:
517: #ifdef CONNECT
518: /*
519: * Fork a program with:
520: * 0 <-> remote tty in
521: * 1 <-> remote tty out
522: * 2 <-> local tty out
523: */
1.7 deraadt 524: void
1.1 deraadt 525: consh(c)
526: {
527: char buf[256];
528: int cpid, status, p;
1.7 deraadt 529: time_t start = time(NULL);
1.1 deraadt 530:
531: putchar(c);
1.6 millert 532: if (prompt("Local command? ", buf, sizeof(buf)))
1.1 deraadt 533: return;
534: kill(pid, SIGIOT); /* put TIPOUT into a wait state */
535: signal(SIGINT, SIG_IGN);
536: signal(SIGQUIT, SIG_IGN);
1.2 deraadt 537: tcsetattr(0, TCSAFLUSH, &defchars);
1.1 deraadt 538: read(repdes[0], (char *)&ccc, 1);
539: /*
540: * Set up file descriptors in the child and
541: * let it go...
542: */
543: if ((cpid = fork()) < 0)
544: printf("can't fork!\r\n");
545: else if (cpid) {
546: start = time(0);
547: while ((p = wait(&status)) > 0 && p != cpid)
548: ;
549: } else {
1.13 millert 550: int i;
1.1 deraadt 551:
552: dup2(FD, 0);
553: dup2(3, 1);
554: for (i = 3; i < 20; i++)
555: close(i);
556: signal(SIGINT, SIG_DFL);
557: signal(SIGQUIT, SIG_DFL);
558: execute(buf);
559: printf("can't find `%s'\r\n", buf);
560: exit(0);
561: }
562: if (boolean(value(VERBOSE)))
563: prtime("away for ", time(0)-start);
564: write(fildes[1], (char *)&ccc, 1);
1.2 deraadt 565: tcsetattr(0, TCSAFLUSH, &term);
1.1 deraadt 566: signal(SIGINT, SIG_DFL);
567: signal(SIGQUIT, SIG_DFL);
568: }
569: #endif
570:
571: /*
572: * Escape to local shell
573: */
1.7 deraadt 574: void
1.1 deraadt 575: shell()
576: {
577: int shpid, status;
578: char *cp;
579:
580: printf("[sh]\r\n");
581: signal(SIGINT, SIG_IGN);
582: signal(SIGQUIT, SIG_IGN);
583: unraw();
1.7 deraadt 584: if ((shpid = fork())) {
1.1 deraadt 585: while (shpid != wait(&status));
586: raw();
587: printf("\r\n!\r\n");
588: signal(SIGINT, SIG_DFL);
589: signal(SIGQUIT, SIG_DFL);
590: return;
591: } else {
592: signal(SIGQUIT, SIG_DFL);
593: signal(SIGINT, SIG_DFL);
1.4 millert 594: if ((cp = strrchr(value(SHELL), '/')) == NULL)
1.1 deraadt 595: cp = value(SHELL);
596: else
597: cp++;
598: shell_uid();
1.9 deraadt 599: execl(value(SHELL), cp, (char *)NULL);
1.1 deraadt 600: printf("\r\ncan't execl!\r\n");
601: exit(1);
602: }
603: }
604:
605: /*
606: * TIPIN portion of scripting
607: * initiate the conversation with TIPOUT
608: */
1.7 deraadt 609: void
1.1 deraadt 610: setscript()
611: {
612: char c;
613: /*
614: * enable TIPOUT side for dialogue
615: */
616: kill(pid, SIGEMT);
617: if (boolean(value(SCRIPT)))
618: write(fildes[1], value(RECORD), size(value(RECORD)));
619: write(fildes[1], "\n", 1);
620: /*
621: * wait for TIPOUT to finish
622: */
623: read(repdes[0], &c, 1);
624: if (c == 'n')
625: printf("can't create %s\r\n", value(RECORD));
626: }
627:
628: /*
629: * Change current working directory of
630: * local portion of tip
631: */
1.7 deraadt 632: void
1.1 deraadt 633: chdirectory()
634: {
1.6 millert 635: char dirname[PATH_MAX];
1.13 millert 636: char *cp = dirname;
1.1 deraadt 637:
1.6 millert 638: if (prompt("[cd] ", dirname, sizeof(dirname))) {
1.1 deraadt 639: if (stoprompt)
640: return;
641: cp = value(HOME);
642: }
643: if (chdir(cp) < 0)
644: printf("%s: bad directory\r\n", cp);
645: printf("!\r\n");
646: }
647:
1.7 deraadt 648: void
1.1 deraadt 649: tipabort(msg)
650: char *msg;
651: {
652:
653: kill(pid, SIGTERM);
654: disconnect(msg);
655: if (msg != NOSTR)
656: printf("\r\n%s", msg);
657: printf("\r\n[EOT]\r\n");
658: daemon_uid();
659: (void)uu_unlock(uucplock);
660: unraw();
661: exit(0);
662: }
663:
1.7 deraadt 664: void
1.1 deraadt 665: finish()
666: {
667: char *dismsg;
668:
669: if ((dismsg = value(DISCONNECT)) != NOSTR) {
670: write(FD, dismsg, strlen(dismsg));
671: sleep(5);
672: }
673: tipabort(NOSTR);
674: }
675:
676: void
677: intcopy()
678: {
679: raw();
680: quit = 1;
681: longjmp(intbuf, 1);
682: }
683:
1.7 deraadt 684: void
1.1 deraadt 685: execute(s)
686: char *s;
687: {
1.13 millert 688: char *cp;
1.1 deraadt 689:
1.4 millert 690: if ((cp = strrchr(value(SHELL), '/')) == NULL)
1.1 deraadt 691: cp = value(SHELL);
692: else
693: cp++;
694: shell_uid();
1.9 deraadt 695: execl(value(SHELL), cp, "-c", s, (char *)NULL);
1.1 deraadt 696: }
697:
1.7 deraadt 698: int
699: args(buf, a, num)
1.1 deraadt 700: char *buf, *a[];
1.7 deraadt 701: int num;
1.1 deraadt 702: {
1.13 millert 703: char *p = buf, *start;
704: char **parg = a;
705: int n = 0;
1.1 deraadt 706:
707: do {
708: while (*p && (*p == ' ' || *p == '\t'))
709: p++;
710: start = p;
711: if (*p)
712: *parg = p;
713: while (*p && (*p != ' ' && *p != '\t'))
714: p++;
715: if (p != start)
716: parg++, n++;
717: if (*p)
718: *p++ = '\0';
1.7 deraadt 719: } while (*p && n < num);
1.1 deraadt 720:
721: return(n);
722: }
723:
1.7 deraadt 724: void
1.1 deraadt 725: prtime(s, a)
726: char *s;
727: time_t a;
728: {
1.13 millert 729: int i;
1.1 deraadt 730: int nums[3];
731:
732: for (i = 0; i < 3; i++) {
733: nums[i] = (int)(a % quant[i]);
734: a /= quant[i];
735: }
736: printf("%s", s);
737: while (--i >= 0)
1.14 ! hugh 738: if (nums[i] || (i == 0 && nums[1] == 0 && nums[2] == 0))
1.1 deraadt 739: printf("%d %s%c ", nums[i], sep[i],
740: nums[i] == 1 ? '\0' : 's');
741: printf("\r\n!\r\n");
742: }
743:
1.7 deraadt 744: void
1.1 deraadt 745: variable()
746: {
747: char buf[256];
748:
1.6 millert 749: if (prompt("[set] ", buf, sizeof(buf)))
1.1 deraadt 750: return;
751: vlex(buf);
752: if (vtable[BEAUTIFY].v_access&CHANGED) {
753: vtable[BEAUTIFY].v_access &= ~CHANGED;
754: kill(pid, SIGSYS);
755: }
756: if (vtable[SCRIPT].v_access&CHANGED) {
757: vtable[SCRIPT].v_access &= ~CHANGED;
758: setscript();
759: /*
760: * So that "set record=blah script" doesn't
761: * cause two transactions to occur.
762: */
763: if (vtable[RECORD].v_access&CHANGED)
764: vtable[RECORD].v_access &= ~CHANGED;
765: }
766: if (vtable[RECORD].v_access&CHANGED) {
767: vtable[RECORD].v_access &= ~CHANGED;
768: if (boolean(value(SCRIPT)))
769: setscript();
770: }
771: if (vtable[TAND].v_access&CHANGED) {
772: vtable[TAND].v_access &= ~CHANGED;
773: if (boolean(value(TAND)))
774: tandem("on");
775: else
776: tandem("off");
777: }
778: if (vtable[LECHO].v_access&CHANGED) {
779: vtable[LECHO].v_access &= ~CHANGED;
780: HD = boolean(value(LECHO));
781: }
782: if (vtable[PARITY].v_access&CHANGED) {
783: vtable[PARITY].v_access &= ~CHANGED;
1.7 deraadt 784: setparity(NOSTR);
1.1 deraadt 785: }
1.11 millert 786: }
787:
788: void
789: listvariables()
790: {
791: value_t *p;
792: char buf[BUFSIZ];
793:
794: puts("v\r");
795: for (p = vtable; p->v_name; p++) {
796: fputs(p->v_name, stdout);
797: switch (p->v_type&TMASK) {
798: case STRING:
799: if (p->v_value) {
800: strnvis(buf, p->v_value, sizeof(buf),
801: VIS_WHITE|VIS_OCTAL);
802: printf(" %s", buf);
803: }
804: putchar('\r');
805: putchar('\n');
806: break;
807: case NUMBER:
1.12 pvalchev 808: printf(" %ld\r\n", number(p->v_value));
1.11 millert 809: break;
810: case BOOL:
811: printf(" %s\r\n",
812: boolean(p->v_value) == '!' ? "false" : "true");
813: break;
814: case CHAR:
815: vis(buf, character(p->v_value), VIS_WHITE|VIS_OCTAL, 0);
816: printf(" %s\r\n", buf);
817: break;
818: }
819: }
1.1 deraadt 820: }
821:
822: /*
823: * Turn tandem mode on or off for remote tty.
824: */
1.7 deraadt 825: void
1.1 deraadt 826: tandem(option)
827: char *option;
828: {
1.2 deraadt 829: struct termios rmtty;
1.1 deraadt 830:
1.2 deraadt 831: tcgetattr(FD, &rmtty);
832: if (strcmp(option, "on") == 0) {
833: rmtty.c_iflag |= IXOFF;
834: term.c_iflag |= IXOFF;
1.1 deraadt 835: } else {
1.2 deraadt 836: rmtty.c_iflag &= ~IXOFF;
837: term.c_iflag &= ~IXOFF;
1.1 deraadt 838: }
1.2 deraadt 839: tcsetattr(FD, TCSADRAIN, &rmtty);
840: tcsetattr(0, TCSADRAIN, &term);
1.1 deraadt 841: }
842:
843: /*
844: * Send a break.
845: */
1.7 deraadt 846: void
1.1 deraadt 847: genbrk()
848: {
849:
850: ioctl(FD, TIOCSBRK, NULL);
851: sleep(1);
852: ioctl(FD, TIOCCBRK, NULL);
853: }
854:
855: /*
856: * Suspend tip
857: */
1.7 deraadt 858: void
1.1 deraadt 859: suspend(c)
860: char c;
861: {
862:
863: unraw();
864: kill(c == CTRL('y') ? getpid() : 0, SIGTSTP);
865: raw();
866: }
867:
868: /*
869: * expand a file name if it includes shell meta characters
870: */
871:
872: char *
873: expand(name)
874: char name[];
875: {
876: static char xname[BUFSIZ];
877: char cmdbuf[BUFSIZ];
1.13 millert 878: int pid, l;
879: char *cp, *Shell;
1.7 deraadt 880: int s, pivec[2];
1.1 deraadt 881:
882: if (!anyof(name, "~{[*?$`'\"\\"))
883: return(name);
884: /* sigint = signal(SIGINT, SIG_IGN); */
885: if (pipe(pivec) < 0) {
886: perror("pipe");
887: /* signal(SIGINT, sigint) */
888: return(name);
889: }
1.5 millert 890: (void)snprintf(cmdbuf, sizeof(cmdbuf), "echo %s", name);
1.1 deraadt 891: if ((pid = vfork()) == 0) {
892: Shell = value(SHELL);
893: if (Shell == NOSTR)
894: Shell = _PATH_BSHELL;
895: close(pivec[0]);
896: close(1);
897: dup(pivec[1]);
898: close(pivec[1]);
899: close(2);
900: shell_uid();
1.9 deraadt 901: execl(Shell, Shell, "-c", cmdbuf, (char *)NULL);
1.1 deraadt 902: _exit(1);
903: }
904: if (pid == -1) {
905: perror("fork");
906: close(pivec[0]);
907: close(pivec[1]);
908: return(NOSTR);
909: }
910: close(pivec[1]);
911: l = read(pivec[0], xname, BUFSIZ);
912: close(pivec[0]);
913: while (wait(&s) != pid);
914: ;
915: s &= 0377;
916: if (s != 0 && s != SIGPIPE) {
917: fprintf(stderr, "\"Echo\" failed\n");
918: return(NOSTR);
919: }
920: if (l < 0) {
921: perror("read");
922: return(NOSTR);
923: }
924: if (l == 0) {
925: fprintf(stderr, "\"%s\": No match\n", name);
926: return(NOSTR);
927: }
928: if (l == BUFSIZ) {
929: fprintf(stderr, "Buffer overflow expanding \"%s\"\n", name);
930: return(NOSTR);
931: }
932: xname[l] = 0;
933: for (cp = &xname[l-1]; *cp == '\n' && cp > xname; cp--)
934: ;
935: *++cp = '\0';
936: return(xname);
937: }
938:
939: /*
940: * Are any of the characters in the two strings the same?
941: */
1.7 deraadt 942: int
1.1 deraadt 943: anyof(s1, s2)
1.13 millert 944: char *s1, *s2;
1.1 deraadt 945: {
1.13 millert 946: int c;
1.1 deraadt 947:
1.7 deraadt 948: while ((c = *s1++))
1.1 deraadt 949: if (any(c, s2))
950: return(1);
951: return(0);
952: }