Annotation of src/usr.bin/ftp/util.c, Revision 1.34
1.34 ! millert 1: /* $OpenBSD: util.c,v 1.33 2003/04/05 17:19:47 deraadt Exp $ */
1.13 millert 2: /* $NetBSD: util.c,v 1.12 1997/08/18 10:20:27 lukem Exp $ */
1.1 millert 3:
1.34 ! millert 4: /*-
! 5: * Copyright (c) 1997-1999 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Luke Mewburn.
! 10: *
! 11: * This code is derived from software contributed to The NetBSD Foundation
! 12: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
! 13: * NASA Ames Research Center.
! 14: *
! 15: * Redistribution and use in source and binary forms, with or without
! 16: * modification, are permitted provided that the following conditions
! 17: * are met:
! 18: * 1. Redistributions of source code must retain the above copyright
! 19: * notice, this list of conditions and the following disclaimer.
! 20: * 2. Redistributions in binary form must reproduce the above copyright
! 21: * notice, this list of conditions and the following disclaimer in the
! 22: * documentation and/or other materials provided with the distribution.
! 23: * 3. All advertising materials mentioning features or use of this software
! 24: * must display the following acknowledgement:
! 25: * This product includes software developed by the NetBSD
! 26: * Foundation, Inc. and its contributors.
! 27: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 28: * contributors may be used to endorse or promote products derived
! 29: * from this software without specific prior written permission.
! 30: *
! 31: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 32: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 33: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 34: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 35: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 36: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 37: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 38: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 39: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 40: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 41: * POSSIBILITY OF SUCH DAMAGE.
! 42: */
! 43:
1.1 millert 44: /*
45: * Copyright (c) 1985, 1989, 1993, 1994
46: * The Regents of the University of California. All rights reserved.
47: *
48: * Redistribution and use in source and binary forms, with or without
49: * modification, are permitted provided that the following conditions
50: * are met:
51: * 1. Redistributions of source code must retain the above copyright
52: * notice, this list of conditions and the following disclaimer.
53: * 2. Redistributions in binary form must reproduce the above copyright
54: * notice, this list of conditions and the following disclaimer in the
55: * documentation and/or other materials provided with the distribution.
56: * 3. All advertising materials mentioning features or use of this software
57: * must display the following acknowledgement:
58: * This product includes software developed by the University of
59: * California, Berkeley and its contributors.
60: * 4. Neither the name of the University nor the names of its contributors
61: * may be used to endorse or promote products derived from this software
62: * without specific prior written permission.
63: *
64: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
65: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
66: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
67: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
68: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
69: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
70: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
71: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
72: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
73: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
74: * SUCH DAMAGE.
75: */
76:
77: #ifndef lint
1.34 ! millert 78: static char rcsid[] = "$OpenBSD: util.c,v 1.33 2003/04/05 17:19:47 deraadt Exp $";
1.1 millert 79: #endif /* not lint */
80:
81: /*
82: * FTP User Program -- Misc support routines
83: */
84: #include <sys/ioctl.h>
85: #include <sys/time.h>
86: #include <arpa/ftp.h>
87:
88: #include <ctype.h>
89: #include <err.h>
1.3 millert 90: #include <errno.h>
1.1 millert 91: #include <fcntl.h>
1.11 millert 92: #include <limits.h>
1.1 millert 93: #include <glob.h>
1.6 millert 94: #include <pwd.h>
1.3 millert 95: #include <signal.h>
1.1 millert 96: #include <stdio.h>
1.2 millert 97: #include <stdlib.h>
1.1 millert 98: #include <string.h>
99: #include <time.h>
1.17 deraadt 100: #include <tzfile.h>
1.1 millert 101: #include <unistd.h>
102:
103: #include "ftp_var.h"
104: #include "pathnames.h"
105:
1.27 millert 106: static void updateprogressmeter(int);
1.20 millert 107:
1.1 millert 108: /*
109: * Connect to peer server and
110: * auto-login, if possible.
111: */
112: void
113: setpeer(argc, argv)
114: int argc;
115: char *argv[];
116: {
117: char *host;
1.22 itojun 118: char *port;
1.1 millert 119:
120: if (connected) {
1.7 deraadt 121: fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2 millert 122: hostname);
1.1 millert 123: code = -1;
124: return;
125: }
126: if (argc < 2)
1.2 millert 127: (void)another(&argc, &argv, "to");
1.1 millert 128: if (argc < 2 || argc > 3) {
1.7 deraadt 129: fprintf(ttyout, "usage: %s host-name [port]\n", argv[0]);
1.1 millert 130: code = -1;
131: return;
132: }
1.13 millert 133: if (gatemode)
134: port = gateport;
135: else
136: port = ftpport;
1.22 itojun 137: #if 0
1.1 millert 138: if (argc > 2) {
1.11 millert 139: char *ep;
140: long nport;
141:
142: nport = strtol(argv[2], &ep, 10);
1.13 millert 143: if (nport < 1 || nport > USHRT_MAX || *ep != '\0') {
1.11 millert 144: fprintf(ttyout, "%s: bad port number '%s'.\n",
145: argv[1], argv[2]);
146: fprintf(ttyout, "usage: %s host-name [port]\n",
147: argv[0]);
1.1 millert 148: code = -1;
149: return;
150: }
1.11 millert 151: port = htons((in_port_t)nport);
1.1 millert 152: }
1.22 itojun 153: #else
154: if (argc > 2)
155: port = argv[2];
156: #endif
1.13 millert 157:
158: if (gatemode) {
159: if (gateserver == NULL || *gateserver == '\0')
160: errx(1, "gateserver not defined (shouldn't happen)");
161: host = hookup(gateserver, port);
162: } else
163: host = hookup(argv[1], port);
164:
1.1 millert 165: if (host) {
166: int overbose;
167:
1.13 millert 168: if (gatemode) {
169: if (command("PASSERVE %s", argv[1]) != COMPLETE)
170: return;
171: if (verbose)
172: fprintf(ttyout,
173: "Connected via pass-through server %s\n",
174: gateserver);
175: }
176:
1.1 millert 177: connected = 1;
178: /*
179: * Set up defaults for FTP.
180: */
1.33 deraadt 181: (void)strlcpy(formname, "non-print", sizeof formname);
182: form = FORM_N;
183: (void)strlcpy(modename, "stream", sizeof modename);
184: mode = MODE_S;
185: (void)strlcpy(structname, "file", sizeof structname);
186: stru = STRU_F;
187: (void)strlcpy(bytename, "8", sizeof bytename);
188: bytesize = 8;
189:
1.25 millert 190: /*
191: * Set type to 0 (not specified by user),
192: * meaning binary by default, but don't bother
193: * telling server. We can use binary
194: * for text files unless changed by the user.
195: */
1.33 deraadt 196: (void)strlcpy(typename, "binary", sizeof typename);
1.25 millert 197: curtype = TYPE_A;
198: type = 0;
1.1 millert 199: if (autologin)
1.31 fgsch 200: (void)ftp_login(argv[1], NULL, NULL);
1.1 millert 201:
1.2 millert 202: #if (defined(unix) || defined(BSD)) && NBBY == 8
203: /*
204: * this ifdef is to keep someone form "porting" this to an incompatible
205: * system and not checking this out. This way they have to think about it.
206: */
1.1 millert 207: overbose = verbose;
208: if (debug == 0)
209: verbose = -1;
210: if (command("SYST") == COMPLETE && overbose) {
211: char *cp, c;
212: c = 0;
1.4 millert 213: cp = strchr(reply_string + 4, ' ');
1.1 millert 214: if (cp == NULL)
1.4 millert 215: cp = strchr(reply_string + 4, '\r');
1.1 millert 216: if (cp) {
217: if (cp[-1] == '.')
218: cp--;
219: c = *cp;
220: *cp = '\0';
221: }
222:
1.7 deraadt 223: fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1 millert 224: if (cp)
225: *cp = c;
226: }
227: if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
228: if (proxy)
229: unix_proxy = 1;
230: else
231: unix_server = 1;
232: if (overbose)
1.7 deraadt 233: fprintf(ttyout, "Using %s mode to transfer files.\n",
234: typename);
1.1 millert 235: } else {
236: if (proxy)
237: unix_proxy = 0;
238: else
239: unix_server = 0;
240: if (overbose &&
241: !strncmp(reply_string, "215 TOPS20", 10))
1.7 deraadt 242: fputs(
243: "Remember to set tenex mode when transferring binary files from this machine.\n",
244: ttyout);
1.1 millert 245: }
246: verbose = overbose;
1.2 millert 247: #endif /* unix || BSD */
1.1 millert 248: }
1.6 millert 249: }
250:
251: /*
252: * login to remote host, using given username & password if supplied
253: */
254: int
1.31 fgsch 255: ftp_login(host, user, pass)
1.6 millert 256: const char *host;
257: char *user, *pass;
258: {
259: char tmp[80];
260: char *acct;
261: char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
262: char hostname[MAXHOSTNAMELEN];
1.14 millert 263: struct passwd *pw;
1.11 millert 264: int n, aflag = 0, retry = 0;
1.6 millert 265:
266: acct = NULL;
267: if (user == NULL) {
268: if (ruserpass(host, &user, &pass, &acct) < 0) {
269: code = -1;
270: return (0);
271: }
272: }
273:
274: /*
275: * Set up arguments for an anonymous FTP session, if necessary.
276: */
277: if ((user == NULL || pass == NULL) && anonftp) {
278: memset(anonpass, 0, sizeof(anonpass));
279: memset(hostname, 0, sizeof(hostname));
280:
281: /*
282: * Set up anonymous login password.
283: */
1.14 millert 284: if ((user = getlogin()) == NULL) {
285: if ((pw = getpwuid(getuid())) == NULL)
286: user = "anonymous";
287: else
288: user = pw->pw_name;
289: }
1.28 mpech 290: gethostname(hostname, sizeof(hostname));
1.6 millert 291: #ifndef DONT_CHEAT_ANONPASS
292: /*
293: * Every anonymous FTP server I've encountered
294: * will accept the string "username@", and will
295: * append the hostname itself. We do this by default
296: * since many servers are picky about not having
297: * a FQDN in the anonymous password. - thorpej@netbsd.org
298: */
299: snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
300: user);
301: #else
302: snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
303: user, hp->h_name);
304: #endif
305: pass = anonpass;
1.11 millert 306: user = "anonymous"; /* as per RFC 1635 */
1.8 jkatz 307: }
308:
309: tryagain:
1.9 millert 310: if (retry)
1.11 millert 311: user = "ftp"; /* some servers only allow "ftp" */
1.8 jkatz 312:
1.6 millert 313: while (user == NULL) {
314: char *myname = getlogin();
315:
1.14 millert 316: if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
317: myname = pw->pw_name;
1.6 millert 318: if (myname)
1.7 deraadt 319: fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6 millert 320: else
1.7 deraadt 321: fprintf(ttyout, "Name (%s): ", host);
1.18 deraadt 322: *tmp = '\0';
1.6 millert 323: (void)fgets(tmp, sizeof(tmp) - 1, stdin);
324: tmp[strlen(tmp) - 1] = '\0';
325: if (*tmp == '\0')
326: user = myname;
327: else
328: user = tmp;
329: }
330: n = command("USER %s", user);
331: if (n == CONTINUE) {
332: if (pass == NULL)
333: pass = getpass("Password:");
334: n = command("PASS %s", pass);
335: }
336: if (n == CONTINUE) {
337: aflag++;
338: if (acct == NULL)
339: acct = getpass("Account:");
340: n = command("ACCT %s", acct);
341: }
342: if ((n != COMPLETE) ||
343: (!aflag && acct != NULL && command("ACCT %s", acct) != COMPLETE)) {
344: warnx("Login failed.");
1.9 millert 345: if (retry || !anonftp)
1.8 jkatz 346: return (0);
1.9 millert 347: else
348: retry = 1;
1.8 jkatz 349: goto tryagain;
1.6 millert 350: }
351: if (proxy)
352: return (1);
353: connected = -1;
354: for (n = 0; n < macnum; ++n) {
355: if (!strcmp("init", macros[n].mac_name)) {
1.33 deraadt 356: (void)strlcpy(line, "$init", sizeof line);
1.6 millert 357: makeargv();
358: domacro(margc, margv);
359: break;
360: }
361: }
362: return (1);
1.1 millert 363: }
364:
365: /*
1.4 millert 366: * `another' gets another argument, and stores the new argc and argv.
1.1 millert 367: * It reverts to the top level (via main.c's intr()) on EOF/error.
368: *
369: * Returns false if no new arguments have been added.
370: */
371: int
372: another(pargc, pargv, prompt)
373: int *pargc;
374: char ***pargv;
375: const char *prompt;
376: {
377: int len = strlen(line), ret;
378:
379: if (len >= sizeof(line) - 3) {
1.7 deraadt 380: fputs("sorry, arguments too long.\n", ttyout);
1.1 millert 381: intr();
382: }
1.7 deraadt 383: fprintf(ttyout, "(%s) ", prompt);
1.1 millert 384: line[len++] = ' ';
1.11 millert 385: if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL)
1.1 millert 386: intr();
387: len += strlen(&line[len]);
388: if (len > 0 && line[len - 1] == '\n')
389: line[len - 1] = '\0';
390: makeargv();
391: ret = margc > *pargc;
392: *pargc = margc;
393: *pargv = margv;
394: return (ret);
395: }
396:
1.4 millert 397: /*
398: * glob files given in argv[] from the remote server.
399: * if errbuf isn't NULL, store error messages there instead
400: * of writing to the screen.
401: */
1.1 millert 402: char *
1.4 millert 403: remglob(argv, doswitch, errbuf)
1.1 millert 404: char *argv[];
405: int doswitch;
1.4 millert 406: char **errbuf;
1.1 millert 407: {
408: char temp[MAXPATHLEN];
409: static char buf[MAXPATHLEN];
410: static FILE *ftemp = NULL;
411: static char **args;
412: int oldverbose, oldhash, fd;
413: char *cp, *mode;
414:
415: if (!mflag) {
1.4 millert 416: if (!doglob)
1.1 millert 417: args = NULL;
418: else {
419: if (ftemp) {
1.2 millert 420: (void)fclose(ftemp);
1.1 millert 421: ftemp = NULL;
422: }
423: }
424: return (NULL);
425: }
426: if (!doglob) {
427: if (args == NULL)
428: args = argv;
429: if ((cp = *++args) == NULL)
430: args = NULL;
431: return (cp);
432: }
433: if (ftemp == NULL) {
1.3 millert 434: int len;
435:
1.32 millert 436: if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
1.3 millert 437: cp = _PATH_TMP;
438: len = strlen(cp);
439: if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
440: warnx("unable to create temporary file: %s",
441: strerror(ENAMETOOLONG));
442: return (NULL);
443: }
444:
1.33 deraadt 445: (void)strlcpy(temp, cp, sizeof temp);
1.3 millert 446: if (temp[len-1] != '/')
447: temp[len++] = '/';
1.33 deraadt 448: (void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
1.3 millert 449: if ((fd = mkstemp(temp)) < 0) {
1.1 millert 450: warn("unable to create temporary file %s", temp);
451: return (NULL);
452: }
453: close(fd);
1.4 millert 454: oldverbose = verbose;
455: verbose = (errbuf != NULL) ? -1 : 0;
456: oldhash = hash;
457: hash = 0;
458: if (doswitch)
1.1 millert 459: pswitch(!proxy);
460: for (mode = "w"; *++argv != NULL; mode = "a")
1.13 millert 461: recvrequest("NLST", temp, *argv, mode, 0, 0);
1.4 millert 462: if ((code / 100) != COMPLETE) {
463: if (errbuf != NULL)
464: *errbuf = reply_string;
465: }
466: if (doswitch)
467: pswitch(!proxy);
468: verbose = oldverbose;
469: hash = oldhash;
1.1 millert 470: ftemp = fopen(temp, "r");
1.2 millert 471: (void)unlink(temp);
1.1 millert 472: if (ftemp == NULL) {
1.4 millert 473: if (errbuf == NULL)
1.7 deraadt 474: fputs("can't find list of remote files, oops.\n",
475: ttyout);
1.4 millert 476: else
477: *errbuf =
478: "can't find list of remote files, oops.";
1.1 millert 479: return (NULL);
480: }
481: }
1.2 millert 482: if (fgets(buf, sizeof(buf), ftemp) == NULL) {
1.4 millert 483: (void)fclose(ftemp);
484: ftemp = NULL;
1.1 millert 485: return (NULL);
486: }
487: if ((cp = strchr(buf, '\n')) != NULL)
488: *cp = '\0';
489: return (buf);
490: }
491:
492: int
493: confirm(cmd, file)
494: const char *cmd, *file;
495: {
496: char line[BUFSIZ];
497:
498: if (!interactive || confirmrest)
499: return (1);
1.16 deraadt 500: top:
1.7 deraadt 501: fprintf(ttyout, "%s %s? ", cmd, file);
502: (void)fflush(ttyout);
1.1 millert 503: if (fgets(line, sizeof(line), stdin) == NULL)
504: return (0);
505: switch (tolower(*line)) {
506: case 'n':
507: return (0);
508: case 'p':
509: interactive = 0;
1.7 deraadt 510: fputs("Interactive mode: off.\n", ttyout);
1.1 millert 511: break;
512: case 'a':
513: confirmrest = 1;
1.7 deraadt 514: fprintf(ttyout, "Prompting off for duration of %s.\n", cmd);
1.12 jkatz 515: break;
516: case 'y':
517: return(1);
518: break;
519: default:
520: fprintf(ttyout, "n, y, p, a, are the only acceptable commands!\n");
1.16 deraadt 521: goto top;
1.1 millert 522: break;
523: }
524: return (1);
525: }
526:
527: /*
528: * Glob a local file name specification with
529: * the expectation of a single return value.
530: * Can't control multiple values being expanded
531: * from the expression, we return only the first.
532: */
533: int
534: globulize(cpp)
535: char **cpp;
536: {
537: glob_t gl;
538: int flags;
539:
540: if (!doglob)
541: return (1);
542:
543: flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
544: memset(&gl, 0, sizeof(gl));
545: if (glob(*cpp, flags, NULL, &gl) ||
546: gl.gl_pathc == 0) {
547: warnx("%s: not found", *cpp);
548: globfree(&gl);
549: return (0);
550: }
1.13 millert 551: /* XXX: caller should check if *cpp changed, and
552: * free(*cpp) if that is the case
553: */
554: *cpp = strdup(gl.gl_pathv[0]);
1.30 deraadt 555: if (*cpp == NULL)
556: err(1, NULL);
1.1 millert 557: globfree(&gl);
558: return (1);
559: }
560:
561: /*
562: * determine size of remote file
563: */
564: off_t
565: remotesize(file, noisy)
566: const char *file;
567: int noisy;
568: {
569: int overbose;
570: off_t size;
571:
572: overbose = verbose;
573: size = -1;
574: if (debug == 0)
575: verbose = -1;
1.11 millert 576: if (command("SIZE %s", file) == COMPLETE) {
577: char *cp, *ep;
578:
579: cp = strchr(reply_string, ' ');
580: if (cp != NULL) {
581: cp++;
582: size = strtoq(cp, &ep, 10);
583: if (*ep != '\0' && !isspace(*ep))
584: size = -1;
585: }
586: } else if (noisy && debug == 0) {
1.7 deraadt 587: fputs(reply_string, ttyout);
1.11 millert 588: fputc('\n', ttyout);
1.7 deraadt 589: }
1.1 millert 590: verbose = overbose;
591: return (size);
592: }
593:
594: /*
595: * determine last modification time (in GMT) of remote file
596: */
597: time_t
598: remotemodtime(file, noisy)
599: const char *file;
600: int noisy;
601: {
602: int overbose;
603: time_t rtime;
1.15 millert 604: int ocode;
1.1 millert 605:
606: overbose = verbose;
1.15 millert 607: ocode = code;
1.1 millert 608: rtime = -1;
609: if (debug == 0)
610: verbose = -1;
611: if (command("MDTM %s", file) == COMPLETE) {
612: struct tm timebuf;
613: int yy, mo, day, hour, min, sec;
1.23 espie 614: /*
615: * time-val = 14DIGIT [ "." 1*DIGIT ]
616: * YYYYMMDDHHMMSS[.sss]
617: * mdtm-response = "213" SP time-val CRLF / error-response
618: */
619: /* TODO: parse .sss as well, use timespecs. */
620: char *timestr = reply_string;
621:
622: /* Repair `19%02d' bug on server side */
623: while (!isspace(*timestr))
624: timestr++;
625: while (isspace(*timestr))
626: timestr++;
627: if (strncmp(timestr, "191", 3) == 0) {
628: fprintf(ttyout,
629: "Y2K warning! Fixed incorrect time-val received from server.\n");
630: timestr[0] = ' ';
631: timestr[1] = '2';
632: timestr[2] = '0';
633: }
1.1 millert 634: sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
635: &day, &hour, &min, &sec);
636: memset(&timebuf, 0, sizeof(timebuf));
637: timebuf.tm_sec = sec;
638: timebuf.tm_min = min;
639: timebuf.tm_hour = hour;
640: timebuf.tm_mday = day;
641: timebuf.tm_mon = mo - 1;
1.17 deraadt 642: timebuf.tm_year = yy - TM_YEAR_BASE;
1.1 millert 643: timebuf.tm_isdst = -1;
644: rtime = mktime(&timebuf);
645: if (rtime == -1 && (noisy || debug != 0))
1.7 deraadt 646: fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1 millert 647: else
648: rtime += timebuf.tm_gmtoff; /* conv. local -> GMT */
1.7 deraadt 649: } else if (noisy && debug == 0) {
650: fputs(reply_string, ttyout);
1.11 millert 651: fputc('\n', ttyout);
1.7 deraadt 652: }
1.1 millert 653: verbose = overbose;
1.15 millert 654: if (rtime == -1)
655: code = ocode;
1.1 millert 656: return (rtime);
657: }
658:
1.10 millert 659: /*
660: * Returns true if this is the controlling/foreground process, else false.
661: */
662: int
663: foregroundproc()
664: {
665: static pid_t pgrp = -1;
666: int ctty_pgrp;
667:
668: if (pgrp == -1)
669: pgrp = getpgrp();
670:
671: return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
672: ctty_pgrp == pgrp));
673: }
674:
1.20 millert 675: static void
1.11 millert 676: updateprogressmeter(dummy)
677: int dummy;
1.1 millert 678: {
1.19 deraadt 679: int save_errno = errno;
1.1 millert 680:
1.20 millert 681: /* update progressmeter if foreground process or in -m mode */
682: if (foregroundproc() || progress == -1)
1.10 millert 683: progressmeter(0);
1.19 deraadt 684: errno = save_errno;
1.1 millert 685: }
686:
687: /*
688: * Display a transfer progress bar if progress is non-zero.
689: * SIGALRM is hijacked for use by this function.
690: * - Before the transfer, set filesize to size of file (or -1 if unknown),
691: * and call with flag = -1. This starts the once per second timer,
692: * and a call to updateprogressmeter() upon SIGALRM.
693: * - During the transfer, updateprogressmeter will call progressmeter
694: * with flag = 0
695: * - After the transfer, call with flag = 1
696: */
697: static struct timeval start;
698:
699: void
700: progressmeter(flag)
701: int flag;
702: {
703: /*
704: * List of order of magnitude prefixes.
705: * The last is `P', as 2^64 = 16384 Petabytes
706: */
707: static const char prefixes[] = " KMGTP";
708:
709: static struct timeval lastupdate;
710: static off_t lastsize;
711: struct timeval now, td, wait;
712: off_t cursize, abbrevsize;
713: double elapsed;
714: int ratio, barlength, i, remaining;
1.29 deraadt 715: char buf[512];
1.1 millert 716:
717: if (flag == -1) {
1.2 millert 718: (void)gettimeofday(&start, (struct timezone *)0);
1.1 millert 719: lastupdate = start;
720: lastsize = restart_point;
721: }
1.2 millert 722: (void)gettimeofday(&now, (struct timezone *)0);
1.24 deraadt 723: if (!progress || filesize < 0)
1.1 millert 724: return;
725: cursize = bytes + restart_point;
726:
1.24 deraadt 727: if (filesize)
728: ratio = cursize * 100 / filesize;
729: else
730: ratio = 100;
1.1 millert 731: ratio = MAX(ratio, 0);
732: ratio = MIN(ratio, 100);
733: snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
734:
735: barlength = ttywidth - 30;
736: if (barlength > 0) {
737: i = barlength * ratio / 100;
738: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
739: "|%.*s%*s|", i,
1.29 deraadt 740: "*******************************************************"
741: "*******************************************************"
742: "*******************************************************"
743: "*******************************************************"
744: "*******************************************************"
745: "*******************************************************"
746: "*******************************************************",
1.1 millert 747: barlength - i, "");
748: }
749:
750: i = 0;
751: abbrevsize = cursize;
752: while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
753: i++;
754: abbrevsize >>= 10;
755: }
756: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.26 deraadt 757: " %5lld %c%c ", (long long)abbrevsize, prefixes[i],
1.1 millert 758: prefixes[i] == ' ' ? ' ' : 'B');
759:
760: timersub(&now, &lastupdate, &wait);
761: if (cursize > lastsize) {
762: lastupdate = now;
763: lastsize = cursize;
764: if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
765: start.tv_sec += wait.tv_sec;
766: start.tv_usec += wait.tv_usec;
767: }
768: wait.tv_sec = 0;
769: }
770:
771: timersub(&now, &start, &td);
772: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
773:
1.24 deraadt 774: if (flag == 1) {
775: i = (int)elapsed / 3600;
776: if (i)
777: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
778: "%2d:", i);
779: else
780: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
781: " ");
782: i = (int)elapsed % 3600;
783: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
784: "%02d:%02d ", i / 60, i % 60);
785: } else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1 millert 786: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
787: " --:-- ETA");
788: } else if (wait.tv_sec >= STALLTIME) {
789: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
790: " - stalled -");
791: } else {
792: remaining = (int)((filesize - restart_point) /
793: (bytes / elapsed) - elapsed);
794: i = remaining / 3600;
795: if (i)
796: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
797: "%2d:", i);
798: else
799: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
800: " ");
801: i = remaining % 3600;
802: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
803: "%02d:%02d ETA", i / 60, i % 60);
804: }
1.7 deraadt 805: (void)write(fileno(ttyout), buf, strlen(buf));
1.1 millert 806:
807: if (flag == -1) {
1.2 millert 808: (void)signal(SIGALRM, updateprogressmeter);
1.1 millert 809: alarmtimer(1); /* set alarm timer for 1 Hz */
810: } else if (flag == 1) {
811: alarmtimer(0);
1.7 deraadt 812: (void)putc('\n', ttyout);
1.1 millert 813: }
1.7 deraadt 814: fflush(ttyout);
1.1 millert 815: }
816:
817: /*
818: * Display transfer statistics.
819: * Requires start to be initialised by progressmeter(-1),
820: * direction to be defined by xfer routines, and filesize and bytes
821: * to be updated by xfer routines
822: * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7 deraadt 823: * instead of TTYOUT.
1.1 millert 824: */
825: void
826: ptransfer(siginfo)
827: int siginfo;
828: {
829: struct timeval now, td;
830: double elapsed;
831: off_t bs;
832: int meg, remaining, hh;
833: char buf[100];
834:
835: if (!verbose && !siginfo)
836: return;
837:
1.2 millert 838: (void)gettimeofday(&now, (struct timezone *)0);
1.1 millert 839: timersub(&now, &start, &td);
840: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
841: bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
842: meg = 0;
843: if (bs > (1024 * 1024))
844: meg = 1;
845: (void)snprintf(buf, sizeof(buf),
1.26 deraadt 846: "%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
847: (long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1 millert 848: bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.11 millert 849: if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
850: && bytes + restart_point <= filesize) {
1.1 millert 851: remaining = (int)((filesize - restart_point) /
852: (bytes / elapsed) - elapsed);
853: hh = remaining / 3600;
854: remaining %= 3600;
1.11 millert 855: /* "buf+len(buf) -1" to overwrite \n */
1.1 millert 856: snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
857: " ETA: %02d:%02d:%02d\n", hh, remaining / 60,
858: remaining % 60);
859: }
1.7 deraadt 860: (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1 millert 861: }
862:
863: /*
864: * List words in stringlist, vertically arranged
865: */
866: void
867: list_vertical(sl)
868: StringList *sl;
869: {
870: int i, j, w;
871: int columns, width, lines, items;
872: char *p;
873:
874: width = items = 0;
875:
876: for (i = 0 ; i < sl->sl_cur ; i++) {
877: w = strlen(sl->sl_str[i]);
878: if (w > width)
879: width = w;
880: }
881: width = (width + 8) &~ 7;
882:
883: columns = ttywidth / width;
884: if (columns == 0)
885: columns = 1;
886: lines = (sl->sl_cur + columns - 1) / columns;
887: for (i = 0; i < lines; i++) {
888: for (j = 0; j < columns; j++) {
889: p = sl->sl_str[j * lines + i];
890: if (p)
1.7 deraadt 891: fputs(p, ttyout);
1.1 millert 892: if (j * lines + i + lines >= sl->sl_cur) {
1.7 deraadt 893: putc('\n', ttyout);
1.1 millert 894: break;
895: }
896: w = strlen(p);
897: while (w < width) {
898: w = (w + 8) &~ 7;
1.7 deraadt 899: (void)putc('\t', ttyout);
1.1 millert 900: }
901: }
902: }
903: }
904:
905: /*
906: * Update the global ttywidth value, using TIOCGWINSZ.
907: */
908: void
909: setttywidth(a)
910: int a;
911: {
1.19 deraadt 912: int save_errno = errno;
1.1 millert 913: struct winsize winsize;
914:
1.7 deraadt 915: if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.21 deraadt 916: ttywidth = winsize.ws_col ? winsize.ws_col : 80;
1.1 millert 917: else
918: ttywidth = 80;
1.19 deraadt 919: errno = save_errno;
1.1 millert 920: }
921:
922: /*
923: * Set the SIGALRM interval timer for wait seconds, 0 to disable.
924: */
925: void
926: alarmtimer(wait)
927: int wait;
928: {
929: struct itimerval itv;
930:
931: itv.it_value.tv_sec = wait;
932: itv.it_value.tv_usec = 0;
933: itv.it_interval = itv.it_value;
934: setitimer(ITIMER_REAL, &itv, NULL);
935: }
1.5 millert 936:
937: /*
938: * Setup or cleanup EditLine structures
939: */
940: #ifndef SMALL
941: void
942: controlediting()
943: {
944: if (editing && el == NULL && hist == NULL) {
1.7 deraadt 945: el = el_init(__progname, stdin, ttyout); /* init editline */
1.5 millert 946: hist = history_init(); /* init the builtin history */
947: history(hist, H_EVENT, 100); /* remember 100 events */
948: el_set(el, EL_HIST, history, hist); /* use history */
949:
950: el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
951: el_set(el, EL_PROMPT, prompt); /* set the prompt function */
952:
953: /* add local file completion, bind to TAB */
954: el_set(el, EL_ADDFN, "ftp-complete",
955: "Context sensitive argument completion",
956: complete);
957: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
958:
959: el_source(el, NULL); /* read ~/.editrc */
960: el_set(el, EL_SIGNAL, 1);
961: } else if (!editing) {
962: if (hist) {
963: history_end(hist);
964: hist = NULL;
965: }
966: if (el) {
967: el_end(el);
968: el = NULL;
969: }
970: }
971: }
972: #endif /* !SMALL */