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Clean up more bogons:

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1. Add a copyright at the top.
	2. Make passive and binary modes work with new ftpio semantics.
	3. Add a `mirror' (-m) flag which only copies the remote file if it's
	   not the same size or is newer.
This commit is contained in:
Jordan K. Hubbard 1996-06-22 21:42:14 +00:00
parent 9852e6a655
commit 80951c9d5d
1 changed files with 77 additions and 17 deletions
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94
usr.bin/fetch/main.c
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@ -1,4 +1,30 @@
/* $Id: main.c,v 1.1.1.1 1996/06/19 09:32:11 asami Exp $ */
/*-
* Copyright (c) 1996
* Jordan Hubbard, Poul-Henning Kamp, Jean-Marc Zucconi
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $Id: main.c,v 1.2 1996/06/22 20:16:57 jkh Exp $ */
#include <stdlib.h>
#include <stdio.h>
@ -36,6 +62,7 @@ int passive_mode = 0;
char *file_to_get = 0;
int http = 0;
int http_port = 80;
int mirror = 0;
int restart = 0;
time_t modtime;
@ -50,7 +77,7 @@ int match (char *, char *), http_open ();
void
usage ()
{
fprintf (stderr, "usage: %s [-D:HINPV:Lqpr] [-o outputfile] <-f file -h host [-c dir]| URL>\n", progname);
fprintf (stderr, "usage: %s [-D:HINPMV:Lqpr] [-o outputfile] <-f file -h host [-c dir]| URL>\n", progname);
exit (1);
}
@ -73,9 +100,9 @@ rm ()
if (file) {
fclose (file);
if (file != stdout) {
if (!restart)
if (!restart && !mirror)
remove (outputfile);
else {
else if (!mirror) {
tv[0].tv_usec = tv[1].tv_usec = 0;
tv[0].tv_sec = time(0);
tv[1].tv_sec = modtime;
@ -93,30 +120,42 @@ main (int argc, char **argv)
progname = s ? s+1 : argv[0];
while ((c = getopt (argc, argv, "D:HINPV:Lqc:f:h:o:pr")) != EOF) {
while ((c = getopt (argc, argv, "D:HINPMV:Lqc:f:h:o:pmr")) != EOF) {
switch (c) {
case 'D': case 'H': case 'I': case 'N': case 'L': case 'V':
break; /* ncftp compatibility */
case 'q':
verbose = 0;
case 'c':
change_to_dir = optarg;
break;
case 'f':
file_to_get = optarg;
break;
case 'h':
host = optarg;
break;
case 'o':
outputfile = optarg;
break;
case 'p': case 'P':
passive_mode = 1;
break;
case 'm': case 'M':
mirror = 1;
break;
case 'r':
restart = 1;
break;
default:
case '?':
usage ();
@ -132,6 +171,10 @@ main (int argc, char **argv)
if (!host || !file_to_get)
usage ();
}
if (mirror && restart)
errx(1, "-m and -r are mutually exclusive.");
output_file_name ();
signal (SIGHUP, die);
@ -158,6 +201,7 @@ void
ftpget ()
{
FILE *ftp, *fp;
char *cp, *lp;
int status, n;
ssize_t size, size0, seekloc;
char ftp_pw[200];
@ -165,19 +209,30 @@ ftpget ()
struct itimerval timer;
signal (SIGALRM, t_out);
timer.it_interval.tv_sec = timer.it_value.tv_sec = FTP_TIMEOUT;
if ((cp = getenv("FTP_TIMEOUT")) != NULL)
timer.it_interval.tv_sec = timer.it_value.tv_sec = atoi(cp);
else
timer.it_interval.tv_sec = timer.it_value.tv_sec = FTP_TIMEOUT;
timer.it_interval.tv_usec = timer.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &timer, 0);
sprintf (ftp_pw, "%s@", getpwuid (getuid ())->pw_name);
n = strlen (ftp_pw);
gethostname (ftp_pw+n, 200-n);
ftp = ftpLogin(host, "anonymous", ftp_pw, 0);
if ((cp = getenv("FTP_PASSWORD")) != NULL)
strcpy(ftp_pw, cp);
else {
sprintf (ftp_pw, "%s@", getpwuid (getuid ())->pw_name);
n = strlen (ftp_pw);
gethostname (ftp_pw + n, 200 - n);
}
if ((lp = getenv("FTP_LOGIN")) == NULL)
lp = "anonymous";
ftp = ftpLogin(host, lp, ftp_pw, 0);
if (!ftp)
err(1, "Couldn't open FTP connection to %s.", host);
err(1, "Couldn't open FTP connection to %s.", host);
ftpBinary (ftp, 1);
/* Time to set our defaults */
ftpBinary (ftp);
ftpPassive (ftp, passive_mode);
if (change_to_dir) {
status = ftpChdir (ftp, change_to_dir);
if (status)
@ -186,7 +241,6 @@ ftpget ()
size = ftpGetSize (ftp, file_to_get);
if (size < 0)
ftperr (ftp, "%s: ", file_to_get);
modtime = ftpGetModtime (ftp, file_to_get);
if (modtime < -1) {
warnx ("Couldn't get file time for %s - using current time", file_to_get);
@ -195,15 +249,21 @@ ftpget ()
if (!strcmp (outputfile, "-"))
restart = 0;
if (!restart)
size0 = 0;
else {
f_size (outputfile, &size0, &t);
if (restart || mirror) {
f_size (outputfile, &size0, &t);
if (mirror && size0 == size && modtime < t) {
fclose(ftp);
return;
}
else if (restart) {
if (size0 && size0 < size && modtime == t)
seekloc = size0;
else
seekloc = size0 = 0;
}
}
else
seekloc = size0 = 0;
fp = ftpGet (ftp, file_to_get, &seekloc);
if (fp == NULL)