Annotation of src/usr.bin/ftp/util.c, Revision 1.69
1.69 ! tedu 1: /* $OpenBSD: util.c,v 1.68 2015/01/16 06:40:08 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: *
24: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34: * POSSIBILITY OF SUCH DAMAGE.
35: */
36:
1.1 millert 37: /*
38: * Copyright (c) 1985, 1989, 1993, 1994
39: * The Regents of the University of California. All rights reserved.
40: *
41: * Redistribution and use in source and binary forms, with or without
42: * modification, are permitted provided that the following conditions
43: * are met:
44: * 1. Redistributions of source code must retain the above copyright
45: * notice, this list of conditions and the following disclaimer.
46: * 2. Redistributions in binary form must reproduce the above copyright
47: * notice, this list of conditions and the following disclaimer in the
48: * documentation and/or other materials provided with the distribution.
1.35 millert 49: * 3. Neither the name of the University nor the names of its contributors
1.1 millert 50: * may be used to endorse or promote products derived from this software
51: * without specific prior written permission.
52: *
53: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63: * SUCH DAMAGE.
64: */
65:
66: /*
67: * FTP User Program -- Misc support routines
68: */
1.68 deraadt 69: #include <sys/param.h> /* BSD */
1.1 millert 70: #include <sys/ioctl.h>
71: #include <sys/time.h>
72: #include <arpa/ftp.h>
73:
74: #include <ctype.h>
75: #include <err.h>
1.3 millert 76: #include <errno.h>
1.1 millert 77: #include <fcntl.h>
1.41 otto 78: #include <libgen.h>
1.1 millert 79: #include <glob.h>
1.6 millert 80: #include <pwd.h>
1.3 millert 81: #include <signal.h>
1.1 millert 82: #include <stdio.h>
1.2 millert 83: #include <stdlib.h>
1.1 millert 84: #include <string.h>
85: #include <time.h>
1.17 deraadt 86: #include <tzfile.h>
1.1 millert 87: #include <unistd.h>
88:
89: #include "ftp_var.h"
90: #include "pathnames.h"
91:
1.68 deraadt 92: #define MINIMUM(a, b) (((a) < (b)) ? (a) : (b))
93: #define MAXIMUM(a, b) (((a) > (b)) ? (a) : (b))
94:
1.27 millert 95: static void updateprogressmeter(int);
1.20 millert 96:
1.1 millert 97: /*
98: * Connect to peer server and
99: * auto-login, if possible.
100: */
101: void
1.38 deraadt 102: setpeer(int argc, char *argv[])
1.1 millert 103: {
1.40 deraadt 104: char *host, *port;
1.1 millert 105:
106: if (connected) {
1.7 deraadt 107: fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2 millert 108: hostname);
1.1 millert 109: code = -1;
110: return;
111: }
1.62 martynas 112: #ifndef SMALL
1.1 millert 113: if (argc < 2)
1.2 millert 114: (void)another(&argc, &argv, "to");
1.1 millert 115: if (argc < 2 || argc > 3) {
1.55 sobrado 116: fprintf(ttyout, "usage: %s host [port]\n", argv[0]);
1.1 millert 117: code = -1;
118: return;
119: }
1.62 martynas 120: #endif /* !SMALL */
1.13 millert 121: if (gatemode)
122: port = gateport;
123: else
124: port = ftpport;
1.22 itojun 125: if (argc > 2)
126: port = argv[2];
1.13 millert 127:
128: if (gatemode) {
129: if (gateserver == NULL || *gateserver == '\0')
130: errx(1, "gateserver not defined (shouldn't happen)");
131: host = hookup(gateserver, port);
132: } else
133: host = hookup(argv[1], port);
134:
1.1 millert 135: if (host) {
136: int overbose;
137:
1.13 millert 138: if (gatemode) {
139: if (command("PASSERVE %s", argv[1]) != COMPLETE)
140: return;
141: if (verbose)
142: fprintf(ttyout,
143: "Connected via pass-through server %s\n",
144: gateserver);
145: }
146:
1.1 millert 147: connected = 1;
148: /*
149: * Set up defaults for FTP.
150: */
1.33 deraadt 151: (void)strlcpy(formname, "non-print", sizeof formname);
152: form = FORM_N;
153: (void)strlcpy(modename, "stream", sizeof modename);
154: mode = MODE_S;
155: (void)strlcpy(structname, "file", sizeof structname);
156: stru = STRU_F;
157: (void)strlcpy(bytename, "8", sizeof bytename);
158: bytesize = 8;
159:
1.25 millert 160: /*
161: * Set type to 0 (not specified by user),
162: * meaning binary by default, but don't bother
163: * telling server. We can use binary
164: * for text files unless changed by the user.
165: */
1.33 deraadt 166: (void)strlcpy(typename, "binary", sizeof typename);
1.25 millert 167: curtype = TYPE_A;
168: type = 0;
1.1 millert 169: if (autologin)
1.31 fgsch 170: (void)ftp_login(argv[1], NULL, NULL);
1.1 millert 171:
1.2 millert 172: #if (defined(unix) || defined(BSD)) && NBBY == 8
173: /*
174: * this ifdef is to keep someone form "porting" this to an incompatible
175: * system and not checking this out. This way they have to think about it.
176: */
1.1 millert 177: overbose = verbose;
1.54 martynas 178: #ifndef SMALL
179: if (!debug)
180: #endif /* !SMALL */
1.1 millert 181: verbose = -1;
182: if (command("SYST") == COMPLETE && overbose) {
183: char *cp, c;
184: c = 0;
1.4 millert 185: cp = strchr(reply_string + 4, ' ');
1.1 millert 186: if (cp == NULL)
1.4 millert 187: cp = strchr(reply_string + 4, '\r');
1.1 millert 188: if (cp) {
189: if (cp[-1] == '.')
190: cp--;
191: c = *cp;
192: *cp = '\0';
193: }
194:
1.7 deraadt 195: fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1 millert 196: if (cp)
197: *cp = c;
198: }
199: if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
200: if (proxy)
201: unix_proxy = 1;
202: else
203: unix_server = 1;
204: if (overbose)
1.7 deraadt 205: fprintf(ttyout, "Using %s mode to transfer files.\n",
206: typename);
1.1 millert 207: } else {
208: if (proxy)
209: unix_proxy = 0;
210: else
211: unix_server = 0;
212: }
213: verbose = overbose;
1.2 millert 214: #endif /* unix || BSD */
1.1 millert 215: }
1.6 millert 216: }
217:
218: /*
219: * login to remote host, using given username & password if supplied
220: */
221: int
1.38 deraadt 222: ftp_login(const char *host, char *user, char *pass)
1.6 millert 223: {
1.68 deraadt 224: char tmp[80], *acctname = NULL, host_name[HOST_NAME_MAX+1];
225: char anonpass[LOGIN_NAME_MAX + 1 + HOST_NAME_MAX+1]; /* "user@hostname" */
1.40 deraadt 226: int n, aflag = 0, retry = 0;
1.14 millert 227: struct passwd *pw;
1.6 millert 228:
1.46 pyr 229: #ifndef SMALL
1.6 millert 230: if (user == NULL) {
1.43 ray 231: if (ruserpass(host, &user, &pass, &acctname) < 0) {
1.6 millert 232: code = -1;
233: return (0);
234: }
235: }
1.52 martynas 236: #endif /* !SMALL */
1.6 millert 237:
238: /*
239: * Set up arguments for an anonymous FTP session, if necessary.
240: */
241: if ((user == NULL || pass == NULL) && anonftp) {
242: memset(anonpass, 0, sizeof(anonpass));
1.43 ray 243: memset(host_name, 0, sizeof(host_name));
1.6 millert 244:
245: /*
246: * Set up anonymous login password.
247: */
1.14 millert 248: if ((user = getlogin()) == NULL) {
249: if ((pw = getpwuid(getuid())) == NULL)
250: user = "anonymous";
251: else
252: user = pw->pw_name;
253: }
1.43 ray 254: gethostname(host_name, sizeof(host_name));
1.6 millert 255: #ifndef DONT_CHEAT_ANONPASS
256: /*
257: * Every anonymous FTP server I've encountered
258: * will accept the string "username@", and will
259: * append the hostname itself. We do this by default
260: * since many servers are picky about not having
261: * a FQDN in the anonymous password. - thorpej@netbsd.org
262: */
263: snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
264: user);
265: #else
266: snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
267: user, hp->h_name);
268: #endif
269: pass = anonpass;
1.11 millert 270: user = "anonymous"; /* as per RFC 1635 */
1.8 jkatz 271: }
272:
273: tryagain:
1.9 millert 274: if (retry)
1.11 millert 275: user = "ftp"; /* some servers only allow "ftp" */
1.8 jkatz 276:
1.6 millert 277: while (user == NULL) {
278: char *myname = getlogin();
279:
1.14 millert 280: if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
281: myname = pw->pw_name;
1.6 millert 282: if (myname)
1.7 deraadt 283: fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6 millert 284: else
1.7 deraadt 285: fprintf(ttyout, "Name (%s): ", host);
1.44 ray 286: user = myname;
1.45 ray 287: if (fgets(tmp, sizeof(tmp), stdin) != NULL) {
1.47 gilles 288: tmp[strcspn(tmp, "\n")] = '\0';
1.44 ray 289: if (tmp[0] != '\0')
290: user = tmp;
291: }
1.49 martynas 292: else
293: exit(0);
1.6 millert 294: }
295: n = command("USER %s", user);
296: if (n == CONTINUE) {
297: if (pass == NULL)
298: pass = getpass("Password:");
299: n = command("PASS %s", pass);
300: }
301: if (n == CONTINUE) {
302: aflag++;
1.43 ray 303: if (acctname == NULL)
304: acctname = getpass("Account:");
305: n = command("ACCT %s", acctname);
1.6 millert 306: }
307: if ((n != COMPLETE) ||
1.43 ray 308: (!aflag && acctname != NULL && command("ACCT %s", acctname) != COMPLETE)) {
1.63 deraadt 309: warnx("Login %s failed.", user);
1.9 millert 310: if (retry || !anonftp)
1.8 jkatz 311: return (0);
1.9 millert 312: else
313: retry = 1;
1.8 jkatz 314: goto tryagain;
1.6 millert 315: }
316: if (proxy)
317: return (1);
318: connected = -1;
1.61 martynas 319: #ifndef SMALL
1.6 millert 320: for (n = 0; n < macnum; ++n) {
321: if (!strcmp("init", macros[n].mac_name)) {
1.33 deraadt 322: (void)strlcpy(line, "$init", sizeof line);
1.6 millert 323: makeargv();
324: domacro(margc, margv);
325: break;
326: }
327: }
1.61 martynas 328: #endif /* SMALL */
1.6 millert 329: return (1);
1.1 millert 330: }
331:
332: /*
1.4 millert 333: * `another' gets another argument, and stores the new argc and argv.
1.1 millert 334: * It reverts to the top level (via main.c's intr()) on EOF/error.
335: *
336: * Returns false if no new arguments have been added.
337: */
1.62 martynas 338: #ifndef SMALL
1.1 millert 339: int
1.38 deraadt 340: another(int *pargc, char ***pargv, const char *prompt)
1.1 millert 341: {
342: int len = strlen(line), ret;
343:
344: if (len >= sizeof(line) - 3) {
1.7 deraadt 345: fputs("sorry, arguments too long.\n", ttyout);
1.1 millert 346: intr();
347: }
1.7 deraadt 348: fprintf(ttyout, "(%s) ", prompt);
1.1 millert 349: line[len++] = ' ';
1.49 martynas 350: if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL) {
351: clearerr(stdin);
1.1 millert 352: intr();
1.49 martynas 353: }
1.1 millert 354: len += strlen(&line[len]);
355: if (len > 0 && line[len - 1] == '\n')
356: line[len - 1] = '\0';
357: makeargv();
358: ret = margc > *pargc;
359: *pargc = margc;
360: *pargv = margv;
361: return (ret);
362: }
1.62 martynas 363: #endif /* !SMALL */
1.1 millert 364:
1.4 millert 365: /*
366: * glob files given in argv[] from the remote server.
367: * if errbuf isn't NULL, store error messages there instead
368: * of writing to the screen.
1.54 martynas 369: * if type isn't NULL, use LIST instead of NLST, and store filetype.
370: * 'd' means directory, 's' means symbolic link, '-' means plain
371: * file.
1.4 millert 372: */
1.1 millert 373: char *
1.54 martynas 374: remglob2(char *argv[], int doswitch, char **errbuf, FILE **ftemp, char *type)
1.1 millert 375: {
1.68 deraadt 376: char temp[PATH_MAX], *bufp, *cp, *lmode;
377: static char buf[PATH_MAX], **args;
1.40 deraadt 378: int oldverbose, oldhash, fd;
379:
380: if (!mflag) {
381: if (!doglob)
382: args = NULL;
383: else {
1.54 martynas 384: if (*ftemp) {
385: (void)fclose(*ftemp);
386: *ftemp = NULL;
1.40 deraadt 387: }
388: }
389: return (NULL);
390: }
391: if (!doglob) {
392: if (args == NULL)
393: args = argv;
394: if ((cp = *++args) == NULL)
395: args = NULL;
396: return (cp);
397: }
1.54 martynas 398: if (*ftemp == NULL) {
1.3 millert 399: int len;
400:
1.32 millert 401: if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
1.3 millert 402: cp = _PATH_TMP;
403: len = strlen(cp);
404: if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
405: warnx("unable to create temporary file: %s",
406: strerror(ENAMETOOLONG));
407: return (NULL);
408: }
409:
1.33 deraadt 410: (void)strlcpy(temp, cp, sizeof temp);
1.3 millert 411: if (temp[len-1] != '/')
412: temp[len++] = '/';
1.33 deraadt 413: (void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
1.40 deraadt 414: if ((fd = mkstemp(temp)) < 0) {
1.58 sthen 415: warn("unable to create temporary file: %s", temp);
1.40 deraadt 416: return (NULL);
417: }
418: close(fd);
1.4 millert 419: oldverbose = verbose;
420: verbose = (errbuf != NULL) ? -1 : 0;
421: oldhash = hash;
422: hash = 0;
1.40 deraadt 423: if (doswitch)
424: pswitch(!proxy);
1.43 ray 425: for (lmode = "w"; *++argv != NULL; lmode = "a")
1.54 martynas 426: recvrequest(type ? "LIST" : "NLST", temp, *argv, lmode,
427: 0, 0);
1.4 millert 428: if ((code / 100) != COMPLETE) {
429: if (errbuf != NULL)
430: *errbuf = reply_string;
431: }
432: if (doswitch)
433: pswitch(!proxy);
1.40 deraadt 434: verbose = oldverbose;
1.4 millert 435: hash = oldhash;
1.54 martynas 436: *ftemp = fopen(temp, "r");
1.40 deraadt 437: (void)unlink(temp);
1.54 martynas 438: if (*ftemp == NULL) {
1.4 millert 439: if (errbuf == NULL)
1.7 deraadt 440: fputs("can't find list of remote files, oops.\n",
441: ttyout);
1.4 millert 442: else
443: *errbuf =
444: "can't find list of remote files, oops.";
1.40 deraadt 445: return (NULL);
446: }
447: }
1.54 martynas 448: again:
449: if (fgets(buf, sizeof(buf), *ftemp) == NULL) {
450: (void)fclose(*ftemp);
451: *ftemp = NULL;
1.40 deraadt 452: return (NULL);
453: }
1.47 gilles 454:
455: buf[strcspn(buf, "\n")] = '\0';
1.54 martynas 456: bufp = buf;
457:
458: #ifndef SMALL
459: if (type) {
460: parse_list(&bufp, type);
1.56 martynas 461: if (!bufp ||
462: (bufp[0] == '.' && /* LIST defaults to -a on some ftp */
463: (bufp[1] == '\0' || /* servers. Ignore '.' and '..'. */
464: (bufp[1] == '.' && bufp[2] == '\0'))))
1.54 martynas 465: goto again;
466: }
467: #endif /* !SMALL */
468:
469: return (bufp);
470: }
471:
472: /*
473: * wrapper for remglob2
474: */
475: char *
476: remglob(char *argv[], int doswitch, char **errbuf)
477: {
478: static FILE *ftemp = NULL;
1.47 gilles 479:
1.54 martynas 480: return remglob2(argv, doswitch, errbuf, &ftemp, NULL);
1.1 millert 481: }
482:
1.62 martynas 483: #ifndef SMALL
1.1 millert 484: int
1.54 martynas 485: confirm(const char *cmd, const char *file)
1.1 millert 486: {
1.43 ray 487: char str[BUFSIZ];
1.1 millert 488:
1.54 martynas 489: if (file && (confirmrest || !interactive))
1.1 millert 490: return (1);
1.16 deraadt 491: top:
1.54 martynas 492: if (file)
493: fprintf(ttyout, "%s %s? ", cmd, file);
494: else
495: fprintf(ttyout, "Continue with %s? ", cmd);
1.7 deraadt 496: (void)fflush(ttyout);
1.51 martynas 497: if (fgets(str, sizeof(str), stdin) == NULL)
498: goto quit;
1.43 ray 499: switch (tolower(*str)) {
1.51 martynas 500: case '?':
501: fprintf(ttyout,
502: "? help\n"
503: "a answer yes to all\n"
504: "n answer no\n"
505: "p turn off prompt mode\n"
506: "q answer no to all\n"
507: "y answer yes\n");
508: goto top;
509: case 'a':
510: confirmrest = 1;
511: fprintf(ttyout, "Prompting off for duration of %s.\n",
512: cmd);
513: break;
1.1 millert 514: case 'n':
515: return (0);
516: case 'p':
517: interactive = 0;
1.7 deraadt 518: fputs("Interactive mode: off.\n", ttyout);
1.1 millert 519: break;
1.51 martynas 520: case 'q':
521: quit:
522: mflag = 0;
523: clearerr(stdin);
524: return (0);
1.12 jkatz 525: case 'y':
526: return(1);
527: break;
528: default:
1.51 martynas 529: fprintf(ttyout, "?, a, n, p, q, y "
530: "are the only acceptable commands!\n");
1.16 deraadt 531: goto top;
1.1 millert 532: break;
533: }
534: return (1);
535: }
1.62 martynas 536: #endif /* !SMALL */
1.1 millert 537:
538: /*
539: * Glob a local file name specification with
540: * the expectation of a single return value.
541: * Can't control multiple values being expanded
542: * from the expression, we return only the first.
543: */
544: int
1.38 deraadt 545: globulize(char **cpp)
1.1 millert 546: {
547: glob_t gl;
548: int flags;
549:
550: if (!doglob)
551: return (1);
552:
553: flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
554: memset(&gl, 0, sizeof(gl));
555: if (glob(*cpp, flags, NULL, &gl) ||
556: gl.gl_pathc == 0) {
557: warnx("%s: not found", *cpp);
558: globfree(&gl);
559: return (0);
560: }
1.13 millert 561: /* XXX: caller should check if *cpp changed, and
562: * free(*cpp) if that is the case
563: */
564: *cpp = strdup(gl.gl_pathv[0]);
1.30 deraadt 565: if (*cpp == NULL)
566: err(1, NULL);
1.1 millert 567: globfree(&gl);
568: return (1);
569: }
570:
571: /*
572: * determine size of remote file
573: */
574: off_t
1.38 deraadt 575: remotesize(const char *file, int noisy)
1.1 millert 576: {
577: int overbose;
578: off_t size;
579:
580: overbose = verbose;
581: size = -1;
1.54 martynas 582: #ifndef SMALL
583: if (!debug)
584: #endif /* !SMALL */
1.1 millert 585: verbose = -1;
1.11 millert 586: if (command("SIZE %s", file) == COMPLETE) {
587: char *cp, *ep;
588:
589: cp = strchr(reply_string, ' ');
590: if (cp != NULL) {
591: cp++;
592: size = strtoq(cp, &ep, 10);
593: if (*ep != '\0' && !isspace(*ep))
594: size = -1;
595: }
1.54 martynas 596: } else if (noisy
597: #ifndef SMALL
598: && !debug
599: #endif /* !SMALL */
600: ) {
1.7 deraadt 601: fputs(reply_string, ttyout);
1.11 millert 602: fputc('\n', ttyout);
1.7 deraadt 603: }
1.1 millert 604: verbose = overbose;
605: return (size);
606: }
607:
608: /*
609: * determine last modification time (in GMT) of remote file
610: */
611: time_t
1.38 deraadt 612: remotemodtime(const char *file, int noisy)
1.1 millert 613: {
614: int overbose;
615: time_t rtime;
1.15 millert 616: int ocode;
1.1 millert 617:
618: overbose = verbose;
1.15 millert 619: ocode = code;
1.1 millert 620: rtime = -1;
1.54 martynas 621: #ifndef SMALL
622: if (!debug)
623: #endif /* !SMALL */
1.1 millert 624: verbose = -1;
625: if (command("MDTM %s", file) == COMPLETE) {
626: struct tm timebuf;
627: int yy, mo, day, hour, min, sec;
1.23 espie 628: /*
629: * time-val = 14DIGIT [ "." 1*DIGIT ]
630: * YYYYMMDDHHMMSS[.sss]
631: * mdtm-response = "213" SP time-val CRLF / error-response
632: */
633: /* TODO: parse .sss as well, use timespecs. */
634: char *timestr = reply_string;
635:
636: /* Repair `19%02d' bug on server side */
637: while (!isspace(*timestr))
638: timestr++;
639: while (isspace(*timestr))
640: timestr++;
641: if (strncmp(timestr, "191", 3) == 0) {
642: fprintf(ttyout,
643: "Y2K warning! Fixed incorrect time-val received from server.\n");
644: timestr[0] = ' ';
645: timestr[1] = '2';
646: timestr[2] = '0';
647: }
1.1 millert 648: sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
649: &day, &hour, &min, &sec);
650: memset(&timebuf, 0, sizeof(timebuf));
651: timebuf.tm_sec = sec;
652: timebuf.tm_min = min;
653: timebuf.tm_hour = hour;
654: timebuf.tm_mday = day;
655: timebuf.tm_mon = mo - 1;
1.17 deraadt 656: timebuf.tm_year = yy - TM_YEAR_BASE;
1.1 millert 657: timebuf.tm_isdst = -1;
658: rtime = mktime(&timebuf);
1.54 martynas 659: if (rtime == -1 && (noisy
660: #ifndef SMALL
661: || debug
662: #endif /* !SMALL */
663: ))
1.7 deraadt 664: fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1 millert 665: else
666: rtime += timebuf.tm_gmtoff; /* conv. local -> GMT */
1.54 martynas 667: } else if (noisy
668: #ifndef SMALL
669: && !debug
670: #endif /* !SMALL */
671: ) {
1.7 deraadt 672: fputs(reply_string, ttyout);
1.11 millert 673: fputc('\n', ttyout);
1.7 deraadt 674: }
1.1 millert 675: verbose = overbose;
1.15 millert 676: if (rtime == -1)
677: code = ocode;
1.1 millert 678: return (rtime);
679: }
1.41 otto 680:
681: /*
682: * Ensure file is in or under dir.
683: * Returns 1 if so, 0 if not (or an error occurred).
684: */
685: int
686: fileindir(const char *file, const char *dir)
687: {
1.68 deraadt 688: char parentdirbuf[PATH_MAX], *parentdir;
689: char realdir[PATH_MAX];
1.41 otto 690: size_t dirlen;
691:
692: /* determine parent directory of file */
693: (void)strlcpy(parentdirbuf, file, sizeof(parentdirbuf));
694: parentdir = dirname(parentdirbuf);
695: if (strcmp(parentdir, ".") == 0)
696: return 1; /* current directory is ok */
697:
698: /* find the directory */
699: if (realpath(parentdir, realdir) == NULL) {
700: warn("Unable to determine real path of `%s'", parentdir);
701: return 0;
702: }
703: if (realdir[0] != '/') /* relative result is ok */
704: return 1;
705:
706: dirlen = strlen(dir);
707: if (strncmp(realdir, dir, dirlen) == 0 &&
708: (realdir[dirlen] == '/' || realdir[dirlen] == '\0'))
709: return 1;
710: return 0;
711: }
712:
1.1 millert 713:
1.10 millert 714: /*
715: * Returns true if this is the controlling/foreground process, else false.
716: */
717: int
1.38 deraadt 718: foregroundproc(void)
1.10 millert 719: {
720: static pid_t pgrp = -1;
721: int ctty_pgrp;
722:
723: if (pgrp == -1)
724: pgrp = getpgrp();
725:
726: return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
727: ctty_pgrp == pgrp));
728: }
729:
1.39 deraadt 730: /* ARGSUSED */
1.20 millert 731: static void
1.39 deraadt 732: updateprogressmeter(int signo)
1.1 millert 733: {
1.19 deraadt 734: int save_errno = errno;
1.1 millert 735:
1.20 millert 736: /* update progressmeter if foreground process or in -m mode */
737: if (foregroundproc() || progress == -1)
1.59 martynas 738: progressmeter(0, NULL);
1.19 deraadt 739: errno = save_errno;
1.1 millert 740: }
741:
742: /*
743: * Display a transfer progress bar if progress is non-zero.
744: * SIGALRM is hijacked for use by this function.
745: * - Before the transfer, set filesize to size of file (or -1 if unknown),
746: * and call with flag = -1. This starts the once per second timer,
747: * and a call to updateprogressmeter() upon SIGALRM.
748: * - During the transfer, updateprogressmeter will call progressmeter
749: * with flag = 0
750: * - After the transfer, call with flag = 1
751: */
752: static struct timeval start;
753:
1.65 deraadt 754: char *action;
755:
1.1 millert 756: void
1.59 martynas 757: progressmeter(int flag, const char *filename)
1.1 millert 758: {
759: /*
760: * List of order of magnitude prefixes.
761: * The last is `P', as 2^64 = 16384 Petabytes
762: */
763: static const char prefixes[] = " KMGTP";
764:
765: static struct timeval lastupdate;
766: static off_t lastsize;
1.59 martynas 767: static char *title = NULL;
1.1 millert 768: struct timeval now, td, wait;
769: off_t cursize, abbrevsize;
770: double elapsed;
1.57 deraadt 771: int ratio, barlength, i, remaining, overhead = 30;
1.29 deraadt 772: char buf[512];
1.1 millert 773:
774: if (flag == -1) {
1.2 millert 775: (void)gettimeofday(&start, (struct timezone *)0);
1.1 millert 776: lastupdate = start;
777: lastsize = restart_point;
778: }
1.2 millert 779: (void)gettimeofday(&now, (struct timezone *)0);
1.24 deraadt 780: if (!progress || filesize < 0)
1.1 millert 781: return;
782: cursize = bytes + restart_point;
783:
1.24 deraadt 784: if (filesize)
785: ratio = cursize * 100 / filesize;
786: else
787: ratio = 100;
1.68 deraadt 788: ratio = MAXIMUM(ratio, 0);
789: ratio = MINIMUM(ratio, 100);
1.59 martynas 790: if (!verbose && flag == -1) {
791: filename = basename(filename);
792: if (filename != NULL)
793: title = strdup(filename);
794: }
1.65 deraadt 795:
796: buf[0] = 0;
797: if (!verbose && action != NULL) {
798: int l = strlen(action);
799: char *dotdot = "";
800:
801: if (l < 7)
802: l = 7;
803: else if (l > 12) {
804: l = 12;
805: dotdot = "...";
806: overhead += 3;
807: }
808: snprintf(buf, sizeof(buf), "\r%-*.*s%s ", l, l, action,
809: dotdot);
810: overhead += l + 1;
811: } else
1.66 dcoppa 812: snprintf(buf, sizeof(buf), "\r");
1.65 deraadt 813:
1.59 martynas 814: if (!verbose && title != NULL) {
1.57 deraadt 815: int l = strlen(title);
816: char *dotdot = "";
817:
818: if (l < 12)
819: l = 12;
820: else if (l > 25) {
821: l = 22;
822: dotdot = "...";
823: overhead += 3;
824: }
1.65 deraadt 825: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
826: "%-*.*s%s %3d%% ", l, l, title,
1.57 deraadt 827: dotdot, ratio);
828: overhead += l + 1;
1.59 martynas 829: } else
1.57 deraadt 830: snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
1.1 millert 831:
1.57 deraadt 832: barlength = ttywidth - overhead;
1.1 millert 833: if (barlength > 0) {
834: i = barlength * ratio / 100;
835: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
836: "|%.*s%*s|", i,
1.29 deraadt 837: "*******************************************************"
838: "*******************************************************"
839: "*******************************************************"
840: "*******************************************************"
841: "*******************************************************"
842: "*******************************************************"
843: "*******************************************************",
1.1 millert 844: barlength - i, "");
845: }
846:
847: i = 0;
848: abbrevsize = cursize;
1.64 deraadt 849: while (abbrevsize >= 100000 && i < sizeof(prefixes)-1) {
1.1 millert 850: i++;
851: abbrevsize >>= 10;
852: }
853: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.26 deraadt 854: " %5lld %c%c ", (long long)abbrevsize, prefixes[i],
1.1 millert 855: prefixes[i] == ' ' ? ' ' : 'B');
856:
857: timersub(&now, &lastupdate, &wait);
858: if (cursize > lastsize) {
859: lastupdate = now;
860: lastsize = cursize;
861: if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
862: start.tv_sec += wait.tv_sec;
863: start.tv_usec += wait.tv_usec;
864: }
865: wait.tv_sec = 0;
866: }
867:
868: timersub(&now, &start, &td);
869: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
870:
1.24 deraadt 871: if (flag == 1) {
872: i = (int)elapsed / 3600;
873: if (i)
874: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
875: "%2d:", i);
876: else
877: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
878: " ");
879: i = (int)elapsed % 3600;
880: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
881: "%02d:%02d ", i / 60, i % 60);
882: } else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1 millert 883: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
884: " --:-- ETA");
885: } else if (wait.tv_sec >= STALLTIME) {
886: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
887: " - stalled -");
888: } else {
889: remaining = (int)((filesize - restart_point) /
890: (bytes / elapsed) - elapsed);
891: i = remaining / 3600;
892: if (i)
893: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
894: "%2d:", i);
895: else
896: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
897: " ");
898: i = remaining % 3600;
899: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
900: "%02d:%02d ETA", i / 60, i % 60);
901: }
1.7 deraadt 902: (void)write(fileno(ttyout), buf, strlen(buf));
1.1 millert 903:
904: if (flag == -1) {
1.2 millert 905: (void)signal(SIGALRM, updateprogressmeter);
1.1 millert 906: alarmtimer(1); /* set alarm timer for 1 Hz */
907: } else if (flag == 1) {
908: alarmtimer(0);
1.7 deraadt 909: (void)putc('\n', ttyout);
1.59 martynas 910: if (title != NULL) {
911: free(title);
912: title = NULL;
913: }
1.1 millert 914: }
1.7 deraadt 915: fflush(ttyout);
1.1 millert 916: }
917:
918: /*
919: * Display transfer statistics.
920: * Requires start to be initialised by progressmeter(-1),
921: * direction to be defined by xfer routines, and filesize and bytes
922: * to be updated by xfer routines
923: * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7 deraadt 924: * instead of TTYOUT.
1.1 millert 925: */
926: void
1.38 deraadt 927: ptransfer(int siginfo)
1.1 millert 928: {
929: struct timeval now, td;
930: double elapsed;
931: off_t bs;
932: int meg, remaining, hh;
933: char buf[100];
934:
935: if (!verbose && !siginfo)
936: return;
937:
1.2 millert 938: (void)gettimeofday(&now, (struct timezone *)0);
1.1 millert 939: timersub(&now, &start, &td);
940: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
941: bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
942: meg = 0;
943: if (bs > (1024 * 1024))
944: meg = 1;
1.67 deraadt 945:
946: /* XXX floating point printf in signal handler */
1.1 millert 947: (void)snprintf(buf, sizeof(buf),
1.26 deraadt 948: "%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
949: (long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1 millert 950: bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.67 deraadt 951:
952: if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0 &&
953: bytes + restart_point <= filesize) {
1.1 millert 954: remaining = (int)((filesize - restart_point) /
1.67 deraadt 955: (bytes / elapsed) - elapsed);
1.1 millert 956: hh = remaining / 3600;
957: remaining %= 3600;
1.67 deraadt 958:
959: /* "buf+len(buf) -1" to overwrite \n */
1.1 millert 960: snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
961: " ETA: %02d:%02d:%02d\n", hh, remaining / 60,
962: remaining % 60);
963: }
1.7 deraadt 964: (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1 millert 965: }
966:
967: /*
968: * List words in stringlist, vertically arranged
969: */
1.62 martynas 970: #ifndef SMALL
1.1 millert 971: void
1.38 deraadt 972: list_vertical(StringList *sl)
1.1 millert 973: {
974: int i, j, w;
1.39 deraadt 975: int columns, width, lines;
1.1 millert 976: char *p;
977:
1.39 deraadt 978: width = 0;
1.1 millert 979:
980: for (i = 0 ; i < sl->sl_cur ; i++) {
981: w = strlen(sl->sl_str[i]);
982: if (w > width)
983: width = w;
984: }
985: width = (width + 8) &~ 7;
986:
987: columns = ttywidth / width;
988: if (columns == 0)
989: columns = 1;
990: lines = (sl->sl_cur + columns - 1) / columns;
991: for (i = 0; i < lines; i++) {
992: for (j = 0; j < columns; j++) {
993: p = sl->sl_str[j * lines + i];
994: if (p)
1.7 deraadt 995: fputs(p, ttyout);
1.1 millert 996: if (j * lines + i + lines >= sl->sl_cur) {
1.7 deraadt 997: putc('\n', ttyout);
1.1 millert 998: break;
999: }
1000: w = strlen(p);
1001: while (w < width) {
1002: w = (w + 8) &~ 7;
1.7 deraadt 1003: (void)putc('\t', ttyout);
1.1 millert 1004: }
1005: }
1006: }
1007: }
1.62 martynas 1008: #endif /* !SMALL */
1.1 millert 1009:
1010: /*
1011: * Update the global ttywidth value, using TIOCGWINSZ.
1012: */
1.39 deraadt 1013: /* ARGSUSED */
1.1 millert 1014: void
1.39 deraadt 1015: setttywidth(int signo)
1.1 millert 1016: {
1.19 deraadt 1017: int save_errno = errno;
1.1 millert 1018: struct winsize winsize;
1019:
1.7 deraadt 1020: if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.21 deraadt 1021: ttywidth = winsize.ws_col ? winsize.ws_col : 80;
1.1 millert 1022: else
1023: ttywidth = 80;
1.19 deraadt 1024: errno = save_errno;
1.1 millert 1025: }
1026:
1027: /*
1028: * Set the SIGALRM interval timer for wait seconds, 0 to disable.
1029: */
1030: void
1.38 deraadt 1031: alarmtimer(int wait)
1.1 millert 1032: {
1.67 deraadt 1033: int save_errno = errno;
1.1 millert 1034: struct itimerval itv;
1035:
1036: itv.it_value.tv_sec = wait;
1037: itv.it_value.tv_usec = 0;
1038: itv.it_interval = itv.it_value;
1039: setitimer(ITIMER_REAL, &itv, NULL);
1.67 deraadt 1040: errno = save_errno;
1.1 millert 1041: }
1.5 millert 1042:
1043: /*
1044: * Setup or cleanup EditLine structures
1045: */
1046: #ifndef SMALL
1047: void
1.38 deraadt 1048: controlediting(void)
1.5 millert 1049: {
1.36 otto 1050: HistEvent hev;
1051:
1.5 millert 1052: if (editing && el == NULL && hist == NULL) {
1.36 otto 1053: el = el_init(__progname, stdin, ttyout, stderr); /* init editline */
1.5 millert 1054: hist = history_init(); /* init the builtin history */
1.36 otto 1055: history(hist, &hev, H_SETSIZE, 100); /* remember 100 events */
1.5 millert 1056: el_set(el, EL_HIST, history, hist); /* use history */
1057:
1058: el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
1059: el_set(el, EL_PROMPT, prompt); /* set the prompt function */
1060:
1061: /* add local file completion, bind to TAB */
1062: el_set(el, EL_ADDFN, "ftp-complete",
1063: "Context sensitive argument completion",
1064: complete);
1065: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1066:
1067: el_source(el, NULL); /* read ~/.editrc */
1068: el_set(el, EL_SIGNAL, 1);
1069: } else if (!editing) {
1070: if (hist) {
1071: history_end(hist);
1072: hist = NULL;
1073: }
1074: if (el) {
1075: el_end(el);
1076: el = NULL;
1077: }
1078: }
1079: }
1080: #endif /* !SMALL */
1.62 martynas 1081:
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