Annotation of src/usr.bin/ftp/util.c, Revision 1.7
1.7 ! deraadt 1: /* $OpenBSD: util.c,v 1.6 1997/04/16 05:02:59 millert Exp $ */
1.6 millert 2: /* $NetBSD: util.c,v 1.7 1997/04/14 09:09:24 lukem Exp $ */
1.1 millert 3:
4: /*
5: * Copyright (c) 1985, 1989, 1993, 1994
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
1.7 ! deraadt 38: static char rcsid[] = "$OpenBSD: util.c,v 1.6 1997/04/16 05:02:59 millert Exp $";
1.1 millert 39: #endif /* not lint */
40:
41: /*
42: * FTP User Program -- Misc support routines
43: */
44: #include <sys/ioctl.h>
45: #include <sys/time.h>
46: #include <arpa/ftp.h>
47:
48: #include <ctype.h>
49: #include <err.h>
1.3 millert 50: #include <errno.h>
1.1 millert 51: #include <fcntl.h>
52: #include <glob.h>
1.6 millert 53: #include <pwd.h>
1.3 millert 54: #include <signal.h>
1.1 millert 55: #include <stdio.h>
1.2 millert 56: #include <stdlib.h>
1.1 millert 57: #include <string.h>
58: #include <time.h>
59: #include <unistd.h>
60:
61: #include "ftp_var.h"
62: #include "pathnames.h"
63:
64: /*
65: * Connect to peer server and
66: * auto-login, if possible.
67: */
68: void
69: setpeer(argc, argv)
70: int argc;
71: char *argv[];
72: {
73: char *host;
74: short port;
75:
76: if (connected) {
1.7 ! deraadt 77: fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2 millert 78: hostname);
1.1 millert 79: code = -1;
80: return;
81: }
82: if (argc < 2)
1.2 millert 83: (void)another(&argc, &argv, "to");
1.1 millert 84: if (argc < 2 || argc > 3) {
1.7 ! deraadt 85: fprintf(ttyout, "usage: %s host-name [port]\n", argv[0]);
1.1 millert 86: code = -1;
87: return;
88: }
89: port = ftpport;
90: if (argc > 2) {
91: port = atoi(argv[2]);
92: if (port <= 0) {
1.7 ! deraadt 93: fprintf(ttyout, "%s: bad port number '%s'.\n", argv[1], argv[2]);
! 94: fprintf(ttyout, "usage: %s host-name [port]\n", argv[0]);
1.1 millert 95: code = -1;
96: return;
97: }
98: port = htons(port);
99: }
100: host = hookup(argv[1], port);
101: if (host) {
102: int overbose;
103:
104: connected = 1;
105: /*
106: * Set up defaults for FTP.
107: */
1.2 millert 108: (void)strcpy(typename, "ascii"), type = TYPE_A;
1.1 millert 109: curtype = TYPE_A;
1.2 millert 110: (void)strcpy(formname, "non-print"), form = FORM_N;
111: (void)strcpy(modename, "stream"), mode = MODE_S;
112: (void)strcpy(structname, "file"), stru = STRU_F;
113: (void)strcpy(bytename, "8"), bytesize = 8;
1.1 millert 114: if (autologin)
1.6 millert 115: (void)login(argv[1], NULL, NULL);
1.1 millert 116:
1.2 millert 117: #if (defined(unix) || defined(BSD)) && NBBY == 8
118: /*
119: * this ifdef is to keep someone form "porting" this to an incompatible
120: * system and not checking this out. This way they have to think about it.
121: */
1.1 millert 122: overbose = verbose;
123: if (debug == 0)
124: verbose = -1;
125: if (command("SYST") == COMPLETE && overbose) {
126: char *cp, c;
127: c = 0;
1.4 millert 128: cp = strchr(reply_string + 4, ' ');
1.1 millert 129: if (cp == NULL)
1.4 millert 130: cp = strchr(reply_string + 4, '\r');
1.1 millert 131: if (cp) {
132: if (cp[-1] == '.')
133: cp--;
134: c = *cp;
135: *cp = '\0';
136: }
137:
1.7 ! deraadt 138: fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1 millert 139: if (cp)
140: *cp = c;
141: }
142: if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
143: if (proxy)
144: unix_proxy = 1;
145: else
146: unix_server = 1;
147: /*
148: * Set type to 0 (not specified by user),
149: * meaning binary by default, but don't bother
150: * telling server. We can use binary
151: * for text files unless changed by the user.
152: */
153: type = 0;
1.2 millert 154: (void)strcpy(typename, "binary");
1.1 millert 155: if (overbose)
1.7 ! deraadt 156: fprintf(ttyout, "Using %s mode to transfer files.\n",
! 157: typename);
1.1 millert 158: } else {
159: if (proxy)
160: unix_proxy = 0;
161: else
162: unix_server = 0;
163: if (overbose &&
164: !strncmp(reply_string, "215 TOPS20", 10))
1.7 ! deraadt 165: fputs(
! 166: "Remember to set tenex mode when transferring binary files from this machine.\n",
! 167: ttyout);
1.1 millert 168: }
169: verbose = overbose;
1.2 millert 170: #endif /* unix || BSD */
1.1 millert 171: }
1.6 millert 172: }
173:
174: /*
175: * login to remote host, using given username & password if supplied
176: */
177: int
178: login(host, user, pass)
179: const char *host;
180: char *user, *pass;
181: {
182: char tmp[80];
183: char *acct;
184: char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
185: char hostname[MAXHOSTNAMELEN];
186: int n, aflag = 0;
187:
188: acct = NULL;
189: if (user == NULL) {
190: if (ruserpass(host, &user, &pass, &acct) < 0) {
191: code = -1;
192: return (0);
193: }
194: }
195:
196: /*
197: * Set up arguments for an anonymous FTP session, if necessary.
198: */
199: if ((user == NULL || pass == NULL) && anonftp) {
200: memset(anonpass, 0, sizeof(anonpass));
201: memset(hostname, 0, sizeof(hostname));
202:
203: /*
204: * Set up anonymous login password.
205: */
206: user = getlogin();
207: gethostname(hostname, MAXHOSTNAMELEN);
208: #ifndef DONT_CHEAT_ANONPASS
209: /*
210: * Every anonymous FTP server I've encountered
211: * will accept the string "username@", and will
212: * append the hostname itself. We do this by default
213: * since many servers are picky about not having
214: * a FQDN in the anonymous password. - thorpej@netbsd.org
215: */
216: snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
217: user);
218: #else
219: snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
220: user, hp->h_name);
221: #endif
222: pass = anonpass;
223: user = "anonymous";
224: }
225:
226: while (user == NULL) {
227: char *myname = getlogin();
228:
229: if (myname == NULL) {
230: struct passwd *pp = getpwuid(getuid());
231:
232: if (pp != NULL)
233: myname = pp->pw_name;
234: }
235: if (myname)
1.7 ! deraadt 236: fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6 millert 237: else
1.7 ! deraadt 238: fprintf(ttyout, "Name (%s): ", host);
1.6 millert 239: (void)fgets(tmp, sizeof(tmp) - 1, stdin);
240: tmp[strlen(tmp) - 1] = '\0';
241: if (*tmp == '\0')
242: user = myname;
243: else
244: user = tmp;
245: }
246: n = command("USER %s", user);
247: if (n == CONTINUE) {
248: if (pass == NULL)
249: pass = getpass("Password:");
250: n = command("PASS %s", pass);
251: }
252: if (n == CONTINUE) {
253: aflag++;
254: if (acct == NULL)
255: acct = getpass("Account:");
256: n = command("ACCT %s", acct);
257: }
258: if ((n != COMPLETE) ||
259: (!aflag && acct != NULL && command("ACCT %s", acct) != COMPLETE)) {
260: warnx("Login failed.");
261: return (0);
262: }
263: if (proxy)
264: return (1);
265: connected = -1;
266: for (n = 0; n < macnum; ++n) {
267: if (!strcmp("init", macros[n].mac_name)) {
268: (void)strcpy(line, "$init");
269: makeargv();
270: domacro(margc, margv);
271: break;
272: }
273: }
274: return (1);
1.1 millert 275: }
276:
277: /*
1.4 millert 278: * `another' gets another argument, and stores the new argc and argv.
1.1 millert 279: * It reverts to the top level (via main.c's intr()) on EOF/error.
280: *
281: * Returns false if no new arguments have been added.
282: */
283: int
284: another(pargc, pargv, prompt)
285: int *pargc;
286: char ***pargv;
287: const char *prompt;
288: {
289: int len = strlen(line), ret;
290:
291: if (len >= sizeof(line) - 3) {
1.7 ! deraadt 292: fputs("sorry, arguments too long.\n", ttyout);
1.1 millert 293: intr();
294: }
1.7 ! deraadt 295: fprintf(ttyout, "(%s) ", prompt);
1.1 millert 296: line[len++] = ' ';
297: if (fgets(&line[len], sizeof(line) - len, stdin) == NULL)
298: intr();
299: len += strlen(&line[len]);
300: if (len > 0 && line[len - 1] == '\n')
301: line[len - 1] = '\0';
302: makeargv();
303: ret = margc > *pargc;
304: *pargc = margc;
305: *pargv = margv;
306: return (ret);
307: }
308:
1.4 millert 309: /*
310: * glob files given in argv[] from the remote server.
311: * if errbuf isn't NULL, store error messages there instead
312: * of writing to the screen.
313: */
1.1 millert 314: char *
1.4 millert 315: remglob(argv, doswitch, errbuf)
1.1 millert 316: char *argv[];
317: int doswitch;
1.4 millert 318: char **errbuf;
1.1 millert 319: {
320: char temp[MAXPATHLEN];
321: static char buf[MAXPATHLEN];
322: static FILE *ftemp = NULL;
323: static char **args;
324: int oldverbose, oldhash, fd;
325: char *cp, *mode;
326:
327: if (!mflag) {
1.4 millert 328: if (!doglob)
1.1 millert 329: args = NULL;
330: else {
331: if (ftemp) {
1.2 millert 332: (void)fclose(ftemp);
1.1 millert 333: ftemp = NULL;
334: }
335: }
336: return (NULL);
337: }
338: if (!doglob) {
339: if (args == NULL)
340: args = argv;
341: if ((cp = *++args) == NULL)
342: args = NULL;
343: return (cp);
344: }
345: if (ftemp == NULL) {
1.3 millert 346: int len;
347:
348: if ((cp = getenv("TMPDIR")) == NULL)
349: cp = _PATH_TMP;
350: len = strlen(cp);
351: if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
352: warnx("unable to create temporary file: %s",
353: strerror(ENAMETOOLONG));
354: return (NULL);
355: }
356:
357: (void)strcpy(temp, cp);
358: if (temp[len-1] != '/')
359: temp[len++] = '/';
360: (void)strcpy(&temp[len], TMPFILE);
361: if ((fd = mkstemp(temp)) < 0) {
1.1 millert 362: warn("unable to create temporary file %s", temp);
363: return (NULL);
364: }
365: close(fd);
1.4 millert 366: oldverbose = verbose;
367: verbose = (errbuf != NULL) ? -1 : 0;
368: oldhash = hash;
369: hash = 0;
370: if (doswitch)
1.1 millert 371: pswitch(!proxy);
372: for (mode = "w"; *++argv != NULL; mode = "a")
1.4 millert 373: recvrequest("NLST", temp, *argv, mode, 0);
374: if ((code / 100) != COMPLETE) {
375: if (errbuf != NULL)
376: *errbuf = reply_string;
377: }
378: if (doswitch)
379: pswitch(!proxy);
380: verbose = oldverbose;
381: hash = oldhash;
1.1 millert 382: ftemp = fopen(temp, "r");
1.2 millert 383: (void)unlink(temp);
1.1 millert 384: if (ftemp == NULL) {
1.4 millert 385: if (errbuf == NULL)
1.7 ! deraadt 386: fputs("can't find list of remote files, oops.\n",
! 387: ttyout);
1.4 millert 388: else
389: *errbuf =
390: "can't find list of remote files, oops.";
1.1 millert 391: return (NULL);
392: }
393: }
1.2 millert 394: if (fgets(buf, sizeof(buf), ftemp) == NULL) {
1.4 millert 395: (void)fclose(ftemp);
396: ftemp = NULL;
1.1 millert 397: return (NULL);
398: }
399: if ((cp = strchr(buf, '\n')) != NULL)
400: *cp = '\0';
401: return (buf);
402: }
403:
404: int
405: confirm(cmd, file)
406: const char *cmd, *file;
407: {
408: char line[BUFSIZ];
409:
410: if (!interactive || confirmrest)
411: return (1);
1.7 ! deraadt 412: fprintf(ttyout, "%s %s? ", cmd, file);
! 413: (void)fflush(ttyout);
1.1 millert 414: if (fgets(line, sizeof(line), stdin) == NULL)
415: return (0);
416: switch (tolower(*line)) {
417: case 'n':
418: return (0);
419: case 'p':
420: interactive = 0;
1.7 ! deraadt 421: fputs("Interactive mode: off.\n", ttyout);
1.1 millert 422: break;
423: case 'a':
424: confirmrest = 1;
1.7 ! deraadt 425: fprintf(ttyout, "Prompting off for duration of %s.\n", cmd);
1.1 millert 426: break;
427: }
428: return (1);
429: }
430:
431: /*
432: * Glob a local file name specification with
433: * the expectation of a single return value.
434: * Can't control multiple values being expanded
435: * from the expression, we return only the first.
436: */
437: int
438: globulize(cpp)
439: char **cpp;
440: {
441: glob_t gl;
442: int flags;
443:
444: if (!doglob)
445: return (1);
446:
447: flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
448: memset(&gl, 0, sizeof(gl));
449: if (glob(*cpp, flags, NULL, &gl) ||
450: gl.gl_pathc == 0) {
451: warnx("%s: not found", *cpp);
452: globfree(&gl);
453: return (0);
454: }
455: *cpp = strdup(gl.gl_pathv[0]); /* XXX - wasted memory */
456: globfree(&gl);
457: return (1);
458: }
459:
460: /*
461: * determine size of remote file
462: */
463: off_t
464: remotesize(file, noisy)
465: const char *file;
466: int noisy;
467: {
468: int overbose;
469: off_t size;
470:
471: overbose = verbose;
472: size = -1;
473: if (debug == 0)
474: verbose = -1;
475: if (command("SIZE %s", file) == COMPLETE)
476: sscanf(reply_string, "%*s %qd", &size);
1.7 ! deraadt 477: else if (noisy && debug == 0) {
! 478: fputs(reply_string, ttyout);
! 479: fputs("\n", ttyout);
! 480: }
1.1 millert 481: verbose = overbose;
482: return (size);
483: }
484:
485: /*
486: * determine last modification time (in GMT) of remote file
487: */
488: time_t
489: remotemodtime(file, noisy)
490: const char *file;
491: int noisy;
492: {
493: int overbose;
494: time_t rtime;
495:
496: overbose = verbose;
497: rtime = -1;
498: if (debug == 0)
499: verbose = -1;
500: if (command("MDTM %s", file) == COMPLETE) {
501: struct tm timebuf;
502: int yy, mo, day, hour, min, sec;
503: sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
504: &day, &hour, &min, &sec);
505: memset(&timebuf, 0, sizeof(timebuf));
506: timebuf.tm_sec = sec;
507: timebuf.tm_min = min;
508: timebuf.tm_hour = hour;
509: timebuf.tm_mday = day;
510: timebuf.tm_mon = mo - 1;
511: timebuf.tm_year = yy - 1900;
512: timebuf.tm_isdst = -1;
513: rtime = mktime(&timebuf);
514: if (rtime == -1 && (noisy || debug != 0))
1.7 ! deraadt 515: fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1 millert 516: else
517: rtime += timebuf.tm_gmtoff; /* conv. local -> GMT */
1.7 ! deraadt 518: } else if (noisy && debug == 0) {
! 519: fputs(reply_string, ttyout);
! 520: fputs("\n", ttyout);
! 521: }
1.1 millert 522: verbose = overbose;
523: return (rtime);
524: }
525:
526: void
527: updateprogressmeter()
528: {
529:
530: progressmeter(0);
531: }
532:
533: /*
534: * Display a transfer progress bar if progress is non-zero.
535: * SIGALRM is hijacked for use by this function.
536: * - Before the transfer, set filesize to size of file (or -1 if unknown),
537: * and call with flag = -1. This starts the once per second timer,
538: * and a call to updateprogressmeter() upon SIGALRM.
539: * - During the transfer, updateprogressmeter will call progressmeter
540: * with flag = 0
541: * - After the transfer, call with flag = 1
542: */
543: static struct timeval start;
544:
545: void
546: progressmeter(flag)
547: int flag;
548: {
549: /*
550: * List of order of magnitude prefixes.
551: * The last is `P', as 2^64 = 16384 Petabytes
552: */
553: static const char prefixes[] = " KMGTP";
554:
555: static struct timeval lastupdate;
556: static off_t lastsize;
557: struct timeval now, td, wait;
558: off_t cursize, abbrevsize;
559: double elapsed;
560: int ratio, barlength, i, remaining;
561: char buf[256];
562:
563: if (flag == -1) {
1.2 millert 564: (void)gettimeofday(&start, (struct timezone *)0);
1.1 millert 565: lastupdate = start;
566: lastsize = restart_point;
567: }
1.2 millert 568: (void)gettimeofday(&now, (struct timezone *)0);
1.1 millert 569: if (!progress || filesize <= 0)
570: return;
571: cursize = bytes + restart_point;
572:
573: ratio = cursize * 100 / filesize;
574: ratio = MAX(ratio, 0);
575: ratio = MIN(ratio, 100);
576: snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
577:
578: barlength = ttywidth - 30;
579: if (barlength > 0) {
580: i = barlength * ratio / 100;
581: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
582: "|%.*s%*s|", i,
583: "*****************************************************************************"
584: "*****************************************************************************",
585: barlength - i, "");
586: }
587:
588: i = 0;
589: abbrevsize = cursize;
590: while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
591: i++;
592: abbrevsize >>= 10;
593: }
594: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
595: " %5qd %c%c ", abbrevsize, prefixes[i],
596: prefixes[i] == ' ' ? ' ' : 'B');
597:
598: timersub(&now, &lastupdate, &wait);
599: if (cursize > lastsize) {
600: lastupdate = now;
601: lastsize = cursize;
602: if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
603: start.tv_sec += wait.tv_sec;
604: start.tv_usec += wait.tv_usec;
605: }
606: wait.tv_sec = 0;
607: }
608:
609: timersub(&now, &start, &td);
610: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
611:
612: if (bytes <= 0 || elapsed <= 0.0) {
613: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
614: " --:-- ETA");
615: } else if (wait.tv_sec >= STALLTIME) {
616: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
617: " - stalled -");
618: } else {
619: remaining = (int)((filesize - restart_point) /
620: (bytes / elapsed) - elapsed);
621: i = remaining / 3600;
622: if (i)
623: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
624: "%2d:", i);
625: else
626: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
627: " ");
628: i = remaining % 3600;
629: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
630: "%02d:%02d ETA", i / 60, i % 60);
631: }
1.7 ! deraadt 632: (void)write(fileno(ttyout), buf, strlen(buf));
1.1 millert 633:
634: if (flag == -1) {
1.2 millert 635: (void)signal(SIGALRM, updateprogressmeter);
1.1 millert 636: alarmtimer(1); /* set alarm timer for 1 Hz */
637: } else if (flag == 1) {
638: alarmtimer(0);
1.7 ! deraadt 639: (void)putc('\n', ttyout);
1.1 millert 640: }
1.7 ! deraadt 641: fflush(ttyout);
1.1 millert 642: }
643:
644: /*
645: * Display transfer statistics.
646: * Requires start to be initialised by progressmeter(-1),
647: * direction to be defined by xfer routines, and filesize and bytes
648: * to be updated by xfer routines
649: * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7 ! deraadt 650: * instead of TTYOUT.
1.1 millert 651: */
652: void
653: ptransfer(siginfo)
654: int siginfo;
655: {
656: struct timeval now, td;
657: double elapsed;
658: off_t bs;
659: int meg, remaining, hh;
660: char buf[100];
661:
662: if (!verbose && !siginfo)
663: return;
664:
1.2 millert 665: (void)gettimeofday(&now, (struct timezone *)0);
1.1 millert 666: timersub(&now, &start, &td);
667: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
668: bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
669: meg = 0;
670: if (bs > (1024 * 1024))
671: meg = 1;
672: (void)snprintf(buf, sizeof(buf),
673: "%qd byte%s %s in %.2f seconds (%.2f %sB/s)\n",
674: bytes, bytes == 1 ? "" : "s", direction, elapsed,
675: bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
676: if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0) {
677: remaining = (int)((filesize - restart_point) /
678: (bytes / elapsed) - elapsed);
679: hh = remaining / 3600;
680: remaining %= 3600;
681: snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
682: " ETA: %02d:%02d:%02d\n", hh, remaining / 60,
683: remaining % 60);
684: }
1.7 ! deraadt 685: (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1 millert 686: }
687:
688: /*
689: * List words in stringlist, vertically arranged
690: */
691: void
692: list_vertical(sl)
693: StringList *sl;
694: {
695: int i, j, w;
696: int columns, width, lines, items;
697: char *p;
698:
699: width = items = 0;
700:
701: for (i = 0 ; i < sl->sl_cur ; i++) {
702: w = strlen(sl->sl_str[i]);
703: if (w > width)
704: width = w;
705: }
706: width = (width + 8) &~ 7;
707:
708: columns = ttywidth / width;
709: if (columns == 0)
710: columns = 1;
711: lines = (sl->sl_cur + columns - 1) / columns;
712: for (i = 0; i < lines; i++) {
713: for (j = 0; j < columns; j++) {
714: p = sl->sl_str[j * lines + i];
715: if (p)
1.7 ! deraadt 716: fputs(p, ttyout);
1.1 millert 717: if (j * lines + i + lines >= sl->sl_cur) {
1.7 ! deraadt 718: putc('\n', ttyout);
1.1 millert 719: break;
720: }
721: w = strlen(p);
722: while (w < width) {
723: w = (w + 8) &~ 7;
1.7 ! deraadt 724: (void)putc('\t', ttyout);
1.1 millert 725: }
726: }
727: }
728: }
729:
730: /*
731: * Update the global ttywidth value, using TIOCGWINSZ.
732: */
733: void
734: setttywidth(a)
735: int a;
736: {
737: struct winsize winsize;
738:
1.7 ! deraadt 739: if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.1 millert 740: ttywidth = winsize.ws_col;
741: else
742: ttywidth = 80;
743: }
744:
745: /*
746: * Set the SIGALRM interval timer for wait seconds, 0 to disable.
747: */
748: void
749: alarmtimer(wait)
750: int wait;
751: {
752: struct itimerval itv;
753:
754: itv.it_value.tv_sec = wait;
755: itv.it_value.tv_usec = 0;
756: itv.it_interval = itv.it_value;
757: setitimer(ITIMER_REAL, &itv, NULL);
758: }
1.5 millert 759:
760: /*
761: * Setup or cleanup EditLine structures
762: */
763: #ifndef SMALL
764: void
765: controlediting()
766: {
767: if (editing && el == NULL && hist == NULL) {
1.7 ! deraadt 768: el = el_init(__progname, stdin, ttyout); /* init editline */
1.5 millert 769: hist = history_init(); /* init the builtin history */
770: history(hist, H_EVENT, 100); /* remember 100 events */
771: el_set(el, EL_HIST, history, hist); /* use history */
772:
773: el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
774: el_set(el, EL_PROMPT, prompt); /* set the prompt function */
775:
776: /* add local file completion, bind to TAB */
777: el_set(el, EL_ADDFN, "ftp-complete",
778: "Context sensitive argument completion",
779: complete);
780: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
781:
782: el_source(el, NULL); /* read ~/.editrc */
783: el_set(el, EL_SIGNAL, 1);
784: } else if (!editing) {
785: if (hist) {
786: history_end(hist);
787: hist = NULL;
788: }
789: if (el) {
790: el_end(el);
791: el = NULL;
792: }
793: }
794: }
795: #endif /* !SMALL */