Annotation of src/usr.bin/ftp/util.c, Revision 1.70
1.70 ! tedu 1: /* $OpenBSD: util.c,v 1.69 2015/01/30 04:45:45 tedu 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: */
69: #include <sys/ioctl.h>
70: #include <sys/time.h>
71: #include <arpa/ftp.h>
72:
73: #include <ctype.h>
74: #include <err.h>
1.3 millert 75: #include <errno.h>
1.1 millert 76: #include <fcntl.h>
1.41 otto 77: #include <libgen.h>
1.1 millert 78: #include <glob.h>
1.6 millert 79: #include <pwd.h>
1.3 millert 80: #include <signal.h>
1.1 millert 81: #include <stdio.h>
1.2 millert 82: #include <stdlib.h>
1.1 millert 83: #include <string.h>
84: #include <time.h>
1.17 deraadt 85: #include <tzfile.h>
1.1 millert 86: #include <unistd.h>
87:
88: #include "ftp_var.h"
89: #include "pathnames.h"
90:
1.68 deraadt 91: #define MINIMUM(a, b) (((a) < (b)) ? (a) : (b))
92: #define MAXIMUM(a, b) (((a) > (b)) ? (a) : (b))
93:
1.27 millert 94: static void updateprogressmeter(int);
1.20 millert 95:
1.1 millert 96: /*
97: * Connect to peer server and
98: * auto-login, if possible.
99: */
100: void
1.38 deraadt 101: setpeer(int argc, char *argv[])
1.1 millert 102: {
1.40 deraadt 103: char *host, *port;
1.1 millert 104:
105: if (connected) {
1.7 deraadt 106: fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2 millert 107: hostname);
1.1 millert 108: code = -1;
109: return;
110: }
1.62 martynas 111: #ifndef SMALL
1.1 millert 112: if (argc < 2)
1.2 millert 113: (void)another(&argc, &argv, "to");
1.1 millert 114: if (argc < 2 || argc > 3) {
1.55 sobrado 115: fprintf(ttyout, "usage: %s host [port]\n", argv[0]);
1.1 millert 116: code = -1;
117: return;
118: }
1.62 martynas 119: #endif /* !SMALL */
1.13 millert 120: if (gatemode)
121: port = gateport;
122: else
123: port = ftpport;
1.22 itojun 124: if (argc > 2)
125: port = argv[2];
1.13 millert 126:
127: if (gatemode) {
128: if (gateserver == NULL || *gateserver == '\0')
129: errx(1, "gateserver not defined (shouldn't happen)");
130: host = hookup(gateserver, port);
131: } else
132: host = hookup(argv[1], port);
133:
1.1 millert 134: if (host) {
135: int overbose;
136:
1.13 millert 137: if (gatemode) {
138: if (command("PASSERVE %s", argv[1]) != COMPLETE)
139: return;
140: if (verbose)
141: fprintf(ttyout,
142: "Connected via pass-through server %s\n",
143: gateserver);
144: }
145:
1.1 millert 146: connected = 1;
147: /*
148: * Set up defaults for FTP.
149: */
1.33 deraadt 150: (void)strlcpy(formname, "non-print", sizeof formname);
151: form = FORM_N;
152: (void)strlcpy(modename, "stream", sizeof modename);
153: mode = MODE_S;
154: (void)strlcpy(structname, "file", sizeof structname);
155: stru = STRU_F;
156: (void)strlcpy(bytename, "8", sizeof bytename);
157: bytesize = 8;
158:
1.25 millert 159: /*
160: * Set type to 0 (not specified by user),
161: * meaning binary by default, but don't bother
162: * telling server. We can use binary
163: * for text files unless changed by the user.
164: */
1.33 deraadt 165: (void)strlcpy(typename, "binary", sizeof typename);
1.25 millert 166: curtype = TYPE_A;
167: type = 0;
1.1 millert 168: if (autologin)
1.31 fgsch 169: (void)ftp_login(argv[1], NULL, NULL);
1.1 millert 170:
171: overbose = verbose;
1.54 martynas 172: #ifndef SMALL
173: if (!debug)
174: #endif /* !SMALL */
1.1 millert 175: verbose = -1;
176: if (command("SYST") == COMPLETE && overbose) {
177: char *cp, c;
178: c = 0;
1.4 millert 179: cp = strchr(reply_string + 4, ' ');
1.1 millert 180: if (cp == NULL)
1.4 millert 181: cp = strchr(reply_string + 4, '\r');
1.1 millert 182: if (cp) {
183: if (cp[-1] == '.')
184: cp--;
185: c = *cp;
186: *cp = '\0';
187: }
188:
1.7 deraadt 189: fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1 millert 190: if (cp)
191: *cp = c;
192: }
193: if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
194: if (proxy)
195: unix_proxy = 1;
196: else
197: unix_server = 1;
198: if (overbose)
1.7 deraadt 199: fprintf(ttyout, "Using %s mode to transfer files.\n",
200: typename);
1.1 millert 201: } else {
202: if (proxy)
203: unix_proxy = 0;
204: else
205: unix_server = 0;
206: }
207: verbose = overbose;
208: }
1.6 millert 209: }
210:
211: /*
212: * login to remote host, using given username & password if supplied
213: */
214: int
1.38 deraadt 215: ftp_login(const char *host, char *user, char *pass)
1.6 millert 216: {
1.68 deraadt 217: char tmp[80], *acctname = NULL, host_name[HOST_NAME_MAX+1];
218: char anonpass[LOGIN_NAME_MAX + 1 + HOST_NAME_MAX+1]; /* "user@hostname" */
1.40 deraadt 219: int n, aflag = 0, retry = 0;
1.14 millert 220: struct passwd *pw;
1.6 millert 221:
1.46 pyr 222: #ifndef SMALL
1.6 millert 223: if (user == NULL) {
1.43 ray 224: if (ruserpass(host, &user, &pass, &acctname) < 0) {
1.6 millert 225: code = -1;
226: return (0);
227: }
228: }
1.52 martynas 229: #endif /* !SMALL */
1.6 millert 230:
231: /*
232: * Set up arguments for an anonymous FTP session, if necessary.
233: */
234: if ((user == NULL || pass == NULL) && anonftp) {
235: memset(anonpass, 0, sizeof(anonpass));
1.43 ray 236: memset(host_name, 0, sizeof(host_name));
1.6 millert 237:
238: /*
239: * Set up anonymous login password.
240: */
1.14 millert 241: if ((user = getlogin()) == NULL) {
242: if ((pw = getpwuid(getuid())) == NULL)
243: user = "anonymous";
244: else
245: user = pw->pw_name;
246: }
1.43 ray 247: gethostname(host_name, sizeof(host_name));
1.6 millert 248: #ifndef DONT_CHEAT_ANONPASS
249: /*
250: * Every anonymous FTP server I've encountered
251: * will accept the string "username@", and will
252: * append the hostname itself. We do this by default
253: * since many servers are picky about not having
254: * a FQDN in the anonymous password. - thorpej@netbsd.org
255: */
256: snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
257: user);
258: #else
259: snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
260: user, hp->h_name);
261: #endif
262: pass = anonpass;
1.11 millert 263: user = "anonymous"; /* as per RFC 1635 */
1.8 jkatz 264: }
265:
266: tryagain:
1.9 millert 267: if (retry)
1.11 millert 268: user = "ftp"; /* some servers only allow "ftp" */
1.8 jkatz 269:
1.6 millert 270: while (user == NULL) {
271: char *myname = getlogin();
272:
1.14 millert 273: if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
274: myname = pw->pw_name;
1.6 millert 275: if (myname)
1.7 deraadt 276: fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6 millert 277: else
1.7 deraadt 278: fprintf(ttyout, "Name (%s): ", host);
1.44 ray 279: user = myname;
1.45 ray 280: if (fgets(tmp, sizeof(tmp), stdin) != NULL) {
1.47 gilles 281: tmp[strcspn(tmp, "\n")] = '\0';
1.44 ray 282: if (tmp[0] != '\0')
283: user = tmp;
284: }
1.49 martynas 285: else
286: exit(0);
1.6 millert 287: }
288: n = command("USER %s", user);
289: if (n == CONTINUE) {
290: if (pass == NULL)
291: pass = getpass("Password:");
292: n = command("PASS %s", pass);
293: }
294: if (n == CONTINUE) {
295: aflag++;
1.43 ray 296: if (acctname == NULL)
297: acctname = getpass("Account:");
298: n = command("ACCT %s", acctname);
1.6 millert 299: }
300: if ((n != COMPLETE) ||
1.43 ray 301: (!aflag && acctname != NULL && command("ACCT %s", acctname) != COMPLETE)) {
1.63 deraadt 302: warnx("Login %s failed.", user);
1.9 millert 303: if (retry || !anonftp)
1.8 jkatz 304: return (0);
1.9 millert 305: else
306: retry = 1;
1.8 jkatz 307: goto tryagain;
1.6 millert 308: }
309: if (proxy)
310: return (1);
311: connected = -1;
1.61 martynas 312: #ifndef SMALL
1.6 millert 313: for (n = 0; n < macnum; ++n) {
314: if (!strcmp("init", macros[n].mac_name)) {
1.33 deraadt 315: (void)strlcpy(line, "$init", sizeof line);
1.6 millert 316: makeargv();
317: domacro(margc, margv);
318: break;
319: }
320: }
1.61 martynas 321: #endif /* SMALL */
1.6 millert 322: return (1);
1.1 millert 323: }
324:
325: /*
1.4 millert 326: * `another' gets another argument, and stores the new argc and argv.
1.1 millert 327: * It reverts to the top level (via main.c's intr()) on EOF/error.
328: *
329: * Returns false if no new arguments have been added.
330: */
1.62 martynas 331: #ifndef SMALL
1.1 millert 332: int
1.38 deraadt 333: another(int *pargc, char ***pargv, const char *prompt)
1.1 millert 334: {
335: int len = strlen(line), ret;
336:
337: if (len >= sizeof(line) - 3) {
1.7 deraadt 338: fputs("sorry, arguments too long.\n", ttyout);
1.1 millert 339: intr();
340: }
1.7 deraadt 341: fprintf(ttyout, "(%s) ", prompt);
1.1 millert 342: line[len++] = ' ';
1.49 martynas 343: if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL) {
344: clearerr(stdin);
1.1 millert 345: intr();
1.49 martynas 346: }
1.1 millert 347: len += strlen(&line[len]);
348: if (len > 0 && line[len - 1] == '\n')
349: line[len - 1] = '\0';
350: makeargv();
351: ret = margc > *pargc;
352: *pargc = margc;
353: *pargv = margv;
354: return (ret);
355: }
1.62 martynas 356: #endif /* !SMALL */
1.1 millert 357:
1.4 millert 358: /*
359: * glob files given in argv[] from the remote server.
360: * if errbuf isn't NULL, store error messages there instead
361: * of writing to the screen.
1.54 martynas 362: * if type isn't NULL, use LIST instead of NLST, and store filetype.
363: * 'd' means directory, 's' means symbolic link, '-' means plain
364: * file.
1.4 millert 365: */
1.1 millert 366: char *
1.54 martynas 367: remglob2(char *argv[], int doswitch, char **errbuf, FILE **ftemp, char *type)
1.1 millert 368: {
1.68 deraadt 369: char temp[PATH_MAX], *bufp, *cp, *lmode;
370: static char buf[PATH_MAX], **args;
1.40 deraadt 371: int oldverbose, oldhash, fd;
372:
373: if (!mflag) {
374: if (!doglob)
375: args = NULL;
376: else {
1.54 martynas 377: if (*ftemp) {
378: (void)fclose(*ftemp);
379: *ftemp = NULL;
1.40 deraadt 380: }
381: }
382: return (NULL);
383: }
384: if (!doglob) {
385: if (args == NULL)
386: args = argv;
387: if ((cp = *++args) == NULL)
388: args = NULL;
389: return (cp);
390: }
1.54 martynas 391: if (*ftemp == NULL) {
1.3 millert 392: int len;
393:
1.32 millert 394: if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
1.3 millert 395: cp = _PATH_TMP;
396: len = strlen(cp);
397: if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
398: warnx("unable to create temporary file: %s",
399: strerror(ENAMETOOLONG));
400: return (NULL);
401: }
402:
1.33 deraadt 403: (void)strlcpy(temp, cp, sizeof temp);
1.3 millert 404: if (temp[len-1] != '/')
405: temp[len++] = '/';
1.33 deraadt 406: (void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
1.40 deraadt 407: if ((fd = mkstemp(temp)) < 0) {
1.58 sthen 408: warn("unable to create temporary file: %s", temp);
1.40 deraadt 409: return (NULL);
410: }
411: close(fd);
1.4 millert 412: oldverbose = verbose;
413: verbose = (errbuf != NULL) ? -1 : 0;
414: oldhash = hash;
415: hash = 0;
1.40 deraadt 416: if (doswitch)
417: pswitch(!proxy);
1.43 ray 418: for (lmode = "w"; *++argv != NULL; lmode = "a")
1.54 martynas 419: recvrequest(type ? "LIST" : "NLST", temp, *argv, lmode,
420: 0, 0);
1.4 millert 421: if ((code / 100) != COMPLETE) {
422: if (errbuf != NULL)
423: *errbuf = reply_string;
424: }
425: if (doswitch)
426: pswitch(!proxy);
1.40 deraadt 427: verbose = oldverbose;
1.4 millert 428: hash = oldhash;
1.54 martynas 429: *ftemp = fopen(temp, "r");
1.40 deraadt 430: (void)unlink(temp);
1.54 martynas 431: if (*ftemp == NULL) {
1.4 millert 432: if (errbuf == NULL)
1.7 deraadt 433: fputs("can't find list of remote files, oops.\n",
434: ttyout);
1.4 millert 435: else
436: *errbuf =
437: "can't find list of remote files, oops.";
1.40 deraadt 438: return (NULL);
439: }
440: }
1.54 martynas 441: again:
442: if (fgets(buf, sizeof(buf), *ftemp) == NULL) {
443: (void)fclose(*ftemp);
444: *ftemp = NULL;
1.40 deraadt 445: return (NULL);
446: }
1.47 gilles 447:
448: buf[strcspn(buf, "\n")] = '\0';
1.54 martynas 449: bufp = buf;
450:
451: #ifndef SMALL
452: if (type) {
453: parse_list(&bufp, type);
1.56 martynas 454: if (!bufp ||
455: (bufp[0] == '.' && /* LIST defaults to -a on some ftp */
456: (bufp[1] == '\0' || /* servers. Ignore '.' and '..'. */
457: (bufp[1] == '.' && bufp[2] == '\0'))))
1.54 martynas 458: goto again;
459: }
460: #endif /* !SMALL */
461:
462: return (bufp);
463: }
464:
465: /*
466: * wrapper for remglob2
467: */
468: char *
469: remglob(char *argv[], int doswitch, char **errbuf)
470: {
471: static FILE *ftemp = NULL;
1.47 gilles 472:
1.54 martynas 473: return remglob2(argv, doswitch, errbuf, &ftemp, NULL);
1.1 millert 474: }
475:
1.62 martynas 476: #ifndef SMALL
1.1 millert 477: int
1.54 martynas 478: confirm(const char *cmd, const char *file)
1.1 millert 479: {
1.43 ray 480: char str[BUFSIZ];
1.1 millert 481:
1.54 martynas 482: if (file && (confirmrest || !interactive))
1.1 millert 483: return (1);
1.16 deraadt 484: top:
1.54 martynas 485: if (file)
486: fprintf(ttyout, "%s %s? ", cmd, file);
487: else
488: fprintf(ttyout, "Continue with %s? ", cmd);
1.7 deraadt 489: (void)fflush(ttyout);
1.51 martynas 490: if (fgets(str, sizeof(str), stdin) == NULL)
491: goto quit;
1.43 ray 492: switch (tolower(*str)) {
1.51 martynas 493: case '?':
494: fprintf(ttyout,
495: "? help\n"
496: "a answer yes to all\n"
497: "n answer no\n"
498: "p turn off prompt mode\n"
499: "q answer no to all\n"
500: "y answer yes\n");
501: goto top;
502: case 'a':
503: confirmrest = 1;
504: fprintf(ttyout, "Prompting off for duration of %s.\n",
505: cmd);
506: break;
1.1 millert 507: case 'n':
508: return (0);
509: case 'p':
510: interactive = 0;
1.7 deraadt 511: fputs("Interactive mode: off.\n", ttyout);
1.1 millert 512: break;
1.51 martynas 513: case 'q':
514: quit:
515: mflag = 0;
516: clearerr(stdin);
517: return (0);
1.12 jkatz 518: case 'y':
519: return(1);
520: break;
521: default:
1.51 martynas 522: fprintf(ttyout, "?, a, n, p, q, y "
523: "are the only acceptable commands!\n");
1.16 deraadt 524: goto top;
1.1 millert 525: break;
526: }
527: return (1);
528: }
1.62 martynas 529: #endif /* !SMALL */
1.1 millert 530:
531: /*
532: * Glob a local file name specification with
533: * the expectation of a single return value.
534: * Can't control multiple values being expanded
535: * from the expression, we return only the first.
536: */
537: int
1.38 deraadt 538: globulize(char **cpp)
1.1 millert 539: {
540: glob_t gl;
541: int flags;
542:
543: if (!doglob)
544: return (1);
545:
546: flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
547: memset(&gl, 0, sizeof(gl));
548: if (glob(*cpp, flags, NULL, &gl) ||
549: gl.gl_pathc == 0) {
550: warnx("%s: not found", *cpp);
551: globfree(&gl);
552: return (0);
553: }
1.13 millert 554: /* XXX: caller should check if *cpp changed, and
555: * free(*cpp) if that is the case
556: */
557: *cpp = strdup(gl.gl_pathv[0]);
1.30 deraadt 558: if (*cpp == NULL)
559: err(1, NULL);
1.1 millert 560: globfree(&gl);
561: return (1);
562: }
563:
564: /*
565: * determine size of remote file
566: */
567: off_t
1.38 deraadt 568: remotesize(const char *file, int noisy)
1.1 millert 569: {
570: int overbose;
571: off_t size;
572:
573: overbose = verbose;
574: size = -1;
1.54 martynas 575: #ifndef SMALL
576: if (!debug)
577: #endif /* !SMALL */
1.1 millert 578: verbose = -1;
1.11 millert 579: if (command("SIZE %s", file) == COMPLETE) {
580: char *cp, *ep;
581:
582: cp = strchr(reply_string, ' ');
583: if (cp != NULL) {
584: cp++;
585: size = strtoq(cp, &ep, 10);
586: if (*ep != '\0' && !isspace(*ep))
587: size = -1;
588: }
1.54 martynas 589: } else if (noisy
590: #ifndef SMALL
591: && !debug
592: #endif /* !SMALL */
593: ) {
1.7 deraadt 594: fputs(reply_string, ttyout);
1.11 millert 595: fputc('\n', ttyout);
1.7 deraadt 596: }
1.1 millert 597: verbose = overbose;
598: return (size);
599: }
600:
601: /*
602: * determine last modification time (in GMT) of remote file
603: */
604: time_t
1.38 deraadt 605: remotemodtime(const char *file, int noisy)
1.1 millert 606: {
607: int overbose;
608: time_t rtime;
1.15 millert 609: int ocode;
1.1 millert 610:
611: overbose = verbose;
1.15 millert 612: ocode = code;
1.1 millert 613: rtime = -1;
1.54 martynas 614: #ifndef SMALL
615: if (!debug)
616: #endif /* !SMALL */
1.1 millert 617: verbose = -1;
618: if (command("MDTM %s", file) == COMPLETE) {
619: struct tm timebuf;
620: int yy, mo, day, hour, min, sec;
1.23 espie 621: /*
622: * time-val = 14DIGIT [ "." 1*DIGIT ]
623: * YYYYMMDDHHMMSS[.sss]
624: * mdtm-response = "213" SP time-val CRLF / error-response
625: */
626: /* TODO: parse .sss as well, use timespecs. */
627: char *timestr = reply_string;
628:
629: /* Repair `19%02d' bug on server side */
630: while (!isspace(*timestr))
631: timestr++;
632: while (isspace(*timestr))
633: timestr++;
634: if (strncmp(timestr, "191", 3) == 0) {
635: fprintf(ttyout,
636: "Y2K warning! Fixed incorrect time-val received from server.\n");
637: timestr[0] = ' ';
638: timestr[1] = '2';
639: timestr[2] = '0';
640: }
1.1 millert 641: sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
642: &day, &hour, &min, &sec);
643: memset(&timebuf, 0, sizeof(timebuf));
644: timebuf.tm_sec = sec;
645: timebuf.tm_min = min;
646: timebuf.tm_hour = hour;
647: timebuf.tm_mday = day;
648: timebuf.tm_mon = mo - 1;
1.17 deraadt 649: timebuf.tm_year = yy - TM_YEAR_BASE;
1.1 millert 650: timebuf.tm_isdst = -1;
651: rtime = mktime(&timebuf);
1.54 martynas 652: if (rtime == -1 && (noisy
653: #ifndef SMALL
654: || debug
655: #endif /* !SMALL */
656: ))
1.7 deraadt 657: fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1 millert 658: else
659: rtime += timebuf.tm_gmtoff; /* conv. local -> GMT */
1.54 martynas 660: } else if (noisy
661: #ifndef SMALL
662: && !debug
663: #endif /* !SMALL */
664: ) {
1.7 deraadt 665: fputs(reply_string, ttyout);
1.11 millert 666: fputc('\n', ttyout);
1.7 deraadt 667: }
1.1 millert 668: verbose = overbose;
1.15 millert 669: if (rtime == -1)
670: code = ocode;
1.1 millert 671: return (rtime);
672: }
1.41 otto 673:
674: /*
675: * Ensure file is in or under dir.
676: * Returns 1 if so, 0 if not (or an error occurred).
677: */
678: int
679: fileindir(const char *file, const char *dir)
680: {
1.68 deraadt 681: char parentdirbuf[PATH_MAX], *parentdir;
682: char realdir[PATH_MAX];
1.41 otto 683: size_t dirlen;
684:
685: /* determine parent directory of file */
686: (void)strlcpy(parentdirbuf, file, sizeof(parentdirbuf));
687: parentdir = dirname(parentdirbuf);
688: if (strcmp(parentdir, ".") == 0)
689: return 1; /* current directory is ok */
690:
691: /* find the directory */
692: if (realpath(parentdir, realdir) == NULL) {
693: warn("Unable to determine real path of `%s'", parentdir);
694: return 0;
695: }
696: if (realdir[0] != '/') /* relative result is ok */
697: return 1;
698:
699: dirlen = strlen(dir);
700: if (strncmp(realdir, dir, dirlen) == 0 &&
701: (realdir[dirlen] == '/' || realdir[dirlen] == '\0'))
702: return 1;
703: return 0;
704: }
705:
1.1 millert 706:
1.10 millert 707: /*
708: * Returns true if this is the controlling/foreground process, else false.
709: */
710: int
1.38 deraadt 711: foregroundproc(void)
1.10 millert 712: {
713: static pid_t pgrp = -1;
714: int ctty_pgrp;
715:
716: if (pgrp == -1)
717: pgrp = getpgrp();
718:
719: return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
720: ctty_pgrp == pgrp));
721: }
722:
1.39 deraadt 723: /* ARGSUSED */
1.20 millert 724: static void
1.39 deraadt 725: updateprogressmeter(int signo)
1.1 millert 726: {
1.19 deraadt 727: int save_errno = errno;
1.1 millert 728:
1.20 millert 729: /* update progressmeter if foreground process or in -m mode */
730: if (foregroundproc() || progress == -1)
1.59 martynas 731: progressmeter(0, NULL);
1.19 deraadt 732: errno = save_errno;
1.1 millert 733: }
734:
735: /*
736: * Display a transfer progress bar if progress is non-zero.
737: * SIGALRM is hijacked for use by this function.
738: * - Before the transfer, set filesize to size of file (or -1 if unknown),
739: * and call with flag = -1. This starts the once per second timer,
740: * and a call to updateprogressmeter() upon SIGALRM.
741: * - During the transfer, updateprogressmeter will call progressmeter
742: * with flag = 0
743: * - After the transfer, call with flag = 1
744: */
745: static struct timeval start;
746:
1.65 deraadt 747: char *action;
748:
1.1 millert 749: void
1.59 martynas 750: progressmeter(int flag, const char *filename)
1.1 millert 751: {
752: /*
753: * List of order of magnitude prefixes.
754: * The last is `P', as 2^64 = 16384 Petabytes
755: */
756: static const char prefixes[] = " KMGTP";
757:
758: static struct timeval lastupdate;
759: static off_t lastsize;
1.59 martynas 760: static char *title = NULL;
1.1 millert 761: struct timeval now, td, wait;
762: off_t cursize, abbrevsize;
763: double elapsed;
1.57 deraadt 764: int ratio, barlength, i, remaining, overhead = 30;
1.29 deraadt 765: char buf[512];
1.1 millert 766:
767: if (flag == -1) {
1.2 millert 768: (void)gettimeofday(&start, (struct timezone *)0);
1.1 millert 769: lastupdate = start;
770: lastsize = restart_point;
771: }
1.2 millert 772: (void)gettimeofday(&now, (struct timezone *)0);
1.24 deraadt 773: if (!progress || filesize < 0)
1.1 millert 774: return;
775: cursize = bytes + restart_point;
776:
1.24 deraadt 777: if (filesize)
778: ratio = cursize * 100 / filesize;
779: else
780: ratio = 100;
1.68 deraadt 781: ratio = MAXIMUM(ratio, 0);
782: ratio = MINIMUM(ratio, 100);
1.59 martynas 783: if (!verbose && flag == -1) {
784: filename = basename(filename);
785: if (filename != NULL)
786: title = strdup(filename);
787: }
1.65 deraadt 788:
789: buf[0] = 0;
790: if (!verbose && action != NULL) {
791: int l = strlen(action);
792: char *dotdot = "";
793:
794: if (l < 7)
795: l = 7;
796: else if (l > 12) {
797: l = 12;
798: dotdot = "...";
799: overhead += 3;
800: }
801: snprintf(buf, sizeof(buf), "\r%-*.*s%s ", l, l, action,
802: dotdot);
803: overhead += l + 1;
804: } else
1.66 dcoppa 805: snprintf(buf, sizeof(buf), "\r");
1.65 deraadt 806:
1.59 martynas 807: if (!verbose && title != NULL) {
1.57 deraadt 808: int l = strlen(title);
809: char *dotdot = "";
810:
811: if (l < 12)
812: l = 12;
813: else if (l > 25) {
814: l = 22;
815: dotdot = "...";
816: overhead += 3;
817: }
1.65 deraadt 818: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
819: "%-*.*s%s %3d%% ", l, l, title,
1.57 deraadt 820: dotdot, ratio);
821: overhead += l + 1;
1.59 martynas 822: } else
1.57 deraadt 823: snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
1.1 millert 824:
1.57 deraadt 825: barlength = ttywidth - overhead;
1.1 millert 826: if (barlength > 0) {
827: i = barlength * ratio / 100;
828: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
829: "|%.*s%*s|", i,
1.29 deraadt 830: "*******************************************************"
831: "*******************************************************"
832: "*******************************************************"
833: "*******************************************************"
834: "*******************************************************"
835: "*******************************************************"
836: "*******************************************************",
1.1 millert 837: barlength - i, "");
838: }
839:
840: i = 0;
841: abbrevsize = cursize;
1.64 deraadt 842: while (abbrevsize >= 100000 && i < sizeof(prefixes)-1) {
1.1 millert 843: i++;
844: abbrevsize >>= 10;
845: }
846: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.26 deraadt 847: " %5lld %c%c ", (long long)abbrevsize, prefixes[i],
1.1 millert 848: prefixes[i] == ' ' ? ' ' : 'B');
849:
850: timersub(&now, &lastupdate, &wait);
851: if (cursize > lastsize) {
852: lastupdate = now;
853: lastsize = cursize;
854: if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
855: start.tv_sec += wait.tv_sec;
856: start.tv_usec += wait.tv_usec;
857: }
858: wait.tv_sec = 0;
859: }
860:
861: timersub(&now, &start, &td);
862: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
863:
1.24 deraadt 864: if (flag == 1) {
865: i = (int)elapsed / 3600;
866: if (i)
867: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
868: "%2d:", i);
869: else
870: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
871: " ");
872: i = (int)elapsed % 3600;
873: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
874: "%02d:%02d ", i / 60, i % 60);
875: } else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1 millert 876: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
877: " --:-- ETA");
878: } else if (wait.tv_sec >= STALLTIME) {
879: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
880: " - stalled -");
881: } else {
882: remaining = (int)((filesize - restart_point) /
883: (bytes / elapsed) - elapsed);
884: i = remaining / 3600;
885: if (i)
886: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
887: "%2d:", i);
888: else
889: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
890: " ");
891: i = remaining % 3600;
892: snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
893: "%02d:%02d ETA", i / 60, i % 60);
894: }
1.7 deraadt 895: (void)write(fileno(ttyout), buf, strlen(buf));
1.1 millert 896:
897: if (flag == -1) {
1.2 millert 898: (void)signal(SIGALRM, updateprogressmeter);
1.1 millert 899: alarmtimer(1); /* set alarm timer for 1 Hz */
900: } else if (flag == 1) {
901: alarmtimer(0);
1.7 deraadt 902: (void)putc('\n', ttyout);
1.59 martynas 903: if (title != NULL) {
904: free(title);
905: title = NULL;
906: }
1.1 millert 907: }
1.7 deraadt 908: fflush(ttyout);
1.1 millert 909: }
910:
911: /*
912: * Display transfer statistics.
913: * Requires start to be initialised by progressmeter(-1),
914: * direction to be defined by xfer routines, and filesize and bytes
915: * to be updated by xfer routines
916: * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7 deraadt 917: * instead of TTYOUT.
1.1 millert 918: */
919: void
1.38 deraadt 920: ptransfer(int siginfo)
1.1 millert 921: {
922: struct timeval now, td;
923: double elapsed;
924: off_t bs;
925: int meg, remaining, hh;
926: char buf[100];
927:
928: if (!verbose && !siginfo)
929: return;
930:
1.2 millert 931: (void)gettimeofday(&now, (struct timezone *)0);
1.1 millert 932: timersub(&now, &start, &td);
933: elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
934: bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
935: meg = 0;
936: if (bs > (1024 * 1024))
937: meg = 1;
1.67 deraadt 938:
939: /* XXX floating point printf in signal handler */
1.1 millert 940: (void)snprintf(buf, sizeof(buf),
1.26 deraadt 941: "%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
942: (long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1 millert 943: bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.67 deraadt 944:
945: if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0 &&
946: bytes + restart_point <= filesize) {
1.1 millert 947: remaining = (int)((filesize - restart_point) /
1.67 deraadt 948: (bytes / elapsed) - elapsed);
1.1 millert 949: hh = remaining / 3600;
950: remaining %= 3600;
1.67 deraadt 951:
952: /* "buf+len(buf) -1" to overwrite \n */
1.1 millert 953: snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
954: " ETA: %02d:%02d:%02d\n", hh, remaining / 60,
955: remaining % 60);
956: }
1.7 deraadt 957: (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1 millert 958: }
959:
960: /*
961: * List words in stringlist, vertically arranged
962: */
1.62 martynas 963: #ifndef SMALL
1.1 millert 964: void
1.38 deraadt 965: list_vertical(StringList *sl)
1.1 millert 966: {
967: int i, j, w;
1.39 deraadt 968: int columns, width, lines;
1.1 millert 969: char *p;
970:
1.39 deraadt 971: width = 0;
1.1 millert 972:
973: for (i = 0 ; i < sl->sl_cur ; i++) {
974: w = strlen(sl->sl_str[i]);
975: if (w > width)
976: width = w;
977: }
978: width = (width + 8) &~ 7;
979:
980: columns = ttywidth / width;
981: if (columns == 0)
982: columns = 1;
983: lines = (sl->sl_cur + columns - 1) / columns;
984: for (i = 0; i < lines; i++) {
985: for (j = 0; j < columns; j++) {
986: p = sl->sl_str[j * lines + i];
987: if (p)
1.7 deraadt 988: fputs(p, ttyout);
1.1 millert 989: if (j * lines + i + lines >= sl->sl_cur) {
1.7 deraadt 990: putc('\n', ttyout);
1.1 millert 991: break;
992: }
993: w = strlen(p);
994: while (w < width) {
995: w = (w + 8) &~ 7;
1.7 deraadt 996: (void)putc('\t', ttyout);
1.1 millert 997: }
998: }
999: }
1000: }
1.62 martynas 1001: #endif /* !SMALL */
1.1 millert 1002:
1003: /*
1004: * Update the global ttywidth value, using TIOCGWINSZ.
1005: */
1.39 deraadt 1006: /* ARGSUSED */
1.1 millert 1007: void
1.39 deraadt 1008: setttywidth(int signo)
1.1 millert 1009: {
1.19 deraadt 1010: int save_errno = errno;
1.1 millert 1011: struct winsize winsize;
1012:
1.7 deraadt 1013: if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.21 deraadt 1014: ttywidth = winsize.ws_col ? winsize.ws_col : 80;
1.1 millert 1015: else
1016: ttywidth = 80;
1.19 deraadt 1017: errno = save_errno;
1.1 millert 1018: }
1019:
1020: /*
1021: * Set the SIGALRM interval timer for wait seconds, 0 to disable.
1022: */
1023: void
1.38 deraadt 1024: alarmtimer(int wait)
1.1 millert 1025: {
1.67 deraadt 1026: int save_errno = errno;
1.1 millert 1027: struct itimerval itv;
1028:
1029: itv.it_value.tv_sec = wait;
1030: itv.it_value.tv_usec = 0;
1031: itv.it_interval = itv.it_value;
1032: setitimer(ITIMER_REAL, &itv, NULL);
1.67 deraadt 1033: errno = save_errno;
1.1 millert 1034: }
1.5 millert 1035:
1036: /*
1037: * Setup or cleanup EditLine structures
1038: */
1039: #ifndef SMALL
1040: void
1.38 deraadt 1041: controlediting(void)
1.5 millert 1042: {
1.36 otto 1043: HistEvent hev;
1044:
1.5 millert 1045: if (editing && el == NULL && hist == NULL) {
1.36 otto 1046: el = el_init(__progname, stdin, ttyout, stderr); /* init editline */
1.5 millert 1047: hist = history_init(); /* init the builtin history */
1.36 otto 1048: history(hist, &hev, H_SETSIZE, 100); /* remember 100 events */
1.5 millert 1049: el_set(el, EL_HIST, history, hist); /* use history */
1050:
1051: el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
1052: el_set(el, EL_PROMPT, prompt); /* set the prompt function */
1053:
1054: /* add local file completion, bind to TAB */
1055: el_set(el, EL_ADDFN, "ftp-complete",
1056: "Context sensitive argument completion",
1057: complete);
1058: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1059:
1060: el_source(el, NULL); /* read ~/.editrc */
1061: el_set(el, EL_SIGNAL, 1);
1062: } else if (!editing) {
1063: if (hist) {
1064: history_end(hist);
1065: hist = NULL;
1066: }
1067: if (el) {
1068: el_end(el);
1069: el = NULL;
1070: }
1071: }
1072: }
1073: #endif /* !SMALL */
1.62 martynas 1074: