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/* $NetBSD: util.c,v 1.43 1999/02/07 13:14:07 lukem Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION 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.
*/
/*
* Copyright (c) 1985, 1989, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: util.c,v 1.43 1999/02/07 13:14:07 lukem Exp $");
#endif /* not lint */
/*
* FTP User Program -- Misc support routines
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <arpa/ftp.h>
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <glob.h>
#include <termios.h>
#include <signal.h>
#include <limits.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <tzfile.h>
#include <unistd.h>
#include "ftp_var.h"
#include "pathnames.h"
#ifndef HAVE_TIMEGM
static time_t sub_mkgmt __P((struct tm *tm));
#endif
/*
* Connect to peer server and
* auto-login, if possible.
*/
void
setpeer(argc, argv)
int argc;
char *argv[];
{
char *host;
in_port_t port;
if (connected) {
fprintf(ttyout, "Already connected to %s, use close first.\n",
hostname);
code = -1;
return;
}
if (argc < 2)
(void)another(&argc, &argv, "to");
if (argc < 2 || argc > 3) {
fprintf(ttyout, "usage: %s host-name [port]\n", argv[0]);
code = -1;
return;
}
if (gatemode)
port = gateport;
else
port = ftpport;
if (argc > 2) {
char *ep;
long nport;
nport = strtol(argv[2], &ep, 10);
if (nport < 1 || nport > MAX_IN_PORT_T || *ep != '\0') {
fprintf(ttyout, "%s: bad port number '%s'.\n",
argv[1], argv[2]);
fprintf(ttyout, "usage: %s host-name [port]\n",
argv[0]);
code = -1;
return;
}
port = htons((in_port_t)nport);
}
if (gatemode) {
if (gateserver == NULL || *gateserver == '\0')
errx(1, "gateserver not defined (shouldn't happen)");
host = hookup(gateserver, port);
} else
host = hookup(argv[1], port);
if (host) {
int overbose;
if (gatemode) {
if (command("PASSERVE %s", argv[1]) != COMPLETE)
return;
if (verbose)
fprintf(ttyout,
"Connected via pass-through server %s\n",
gateserver);
}
connected = 1;
/*
* Set up defaults for FTP.
*/
(void)strcpy(typename, "ascii"), type = TYPE_A;
curtype = TYPE_A;
(void)strcpy(formname, "non-print"), form = FORM_N;
(void)strcpy(modename, "stream"), mode = MODE_S;
(void)strcpy(structname, "file"), stru = STRU_F;
(void)strcpy(bytename, "8"), bytesize = 8;
if (autologin)
(void)ftp_login(argv[1], NULL, NULL);
overbose = verbose;
if (debug == 0)
verbose = -1;
if (command("SYST") == COMPLETE && overbose) {
char *cp, c;
c = 0;
cp = strchr(reply_string + 4, ' ');
if (cp == NULL)
cp = strchr(reply_string + 4, '\r');
if (cp) {
if (cp[-1] == '.')
cp--;
c = *cp;
*cp = '\0';
}
fprintf(ttyout, "Remote system type is %s.\n",
reply_string + 4);
if (cp)
*cp = c;
}
if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
if (proxy)
unix_proxy = 1;
else
unix_server = 1;
/*
* Set type to 0 (not specified by user),
* meaning binary by default, but don't bother
* telling server. We can use binary
* for text files unless changed by the user.
*/
type = 0;
(void)strcpy(typename, "binary");
if (overbose)
fprintf(ttyout,
"Using %s mode to transfer files.\n",
typename);
} else {
if (proxy)
unix_proxy = 0;
else
unix_server = 0;
if (overbose &&
!strncmp(reply_string, "215 TOPS20", 10))
fputs(
"Remember to set tenex mode when transferring binary files from this machine.\n",
ttyout);
}
verbose = overbose;
}
}
/*
* login to remote host, using given username & password if supplied
*/
int
ftp_login(host, user, pass)
const char *host;
const char *user, *pass;
{
char tmp[80];
const char *acct;
char anonpass[MAXLOGNAME + 2]; /* "user@" */
struct passwd *pw;
int n, aflag = 0;
acct = NULL;
if (user == NULL) {
if (ruserpass(host, &user, &pass, &acct) < 0) {
code = -1;
return (0);
}
}
/*
* Set up arguments for an anonymous FTP session, if necessary.
*/
if ((user == NULL || pass == NULL) && anonftp) {
memset(anonpass, 0, sizeof(anonpass));
/*
* Set up anonymous login password.
*/
if ((pass = getenv("FTPANONPASS")) == NULL) {
if ((pass = getlogin()) == NULL) {
if ((pw = getpwuid(getuid())) == NULL)
pass = "anonymous";
else
pass = pw->pw_name;
}
/*
* Every anonymous FTP server I've encountered
* will accept the string "username@", and will
* append the hostname itself. We do this by default
* since many servers are picky about not having
* a FQDN in the anonymous password.
* - thorpej@netbsd.org
*/
snprintf(anonpass, sizeof(anonpass) - 1, "%s@", pass);
pass = anonpass;
}
user = "anonymous"; /* as per RFC 1635 */
}
while (user == NULL) {
const char *myname = getlogin();
if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
myname = pw->pw_name;
if (myname)
fprintf(ttyout, "Name (%s:%s): ", host, myname);
else
fprintf(ttyout, "Name (%s): ", host);
*tmp = '\0';
(void)fgets(tmp, sizeof(tmp) - 1, stdin);
tmp[strlen(tmp) - 1] = '\0';
if (*tmp == '\0')
user = myname;
else
user = tmp;
}
n = command("USER %s", user);
if (n == CONTINUE) {
if (pass == NULL)
pass = getpass("Password:");
n = command("PASS %s", pass);
}
if (n == CONTINUE) {
aflag++;
if (acct == NULL)
acct = getpass("Account:");
n = command("ACCT %s", acct);
}
if ((n != COMPLETE) ||
(!aflag && acct != NULL && command("ACCT %s", acct) != COMPLETE)) {
warnx("Login failed.");
return (0);
}
if (proxy)
return (1);
connected = -1;
for (n = 0; n < macnum; ++n) {
if (!strcmp("init", macros[n].mac_name)) {
(void)strcpy(line, "$init");
makeargv();
domacro(margc, margv);
break;
}
}
return (1);
}
/*
* `another' gets another argument, and stores the new argc and argv.
* It reverts to the top level (via main.c's intr()) on EOF/error.
*
* Returns false if no new arguments have been added.
*/
int
another(pargc, pargv, prompt)
int *pargc;
char ***pargv;
const char *prompt;
{
int len = strlen(line), ret;
if (len >= sizeof(line) - 3) {
fputs("sorry, arguments too long.\n", ttyout);
intr();
}
fprintf(ttyout, "(%s) ", prompt);
line[len++] = ' ';
if (fgets(&line[len], sizeof(line) - len, stdin) == NULL)
intr();
len += strlen(&line[len]);
if (len > 0 && line[len - 1] == '\n')
line[len - 1] = '\0';
makeargv();
ret = margc > *pargc;
*pargc = margc;
*pargv = margv;
return (ret);
}
/*
* glob files given in argv[] from the remote server.
* if errbuf isn't NULL, store error messages there instead
* of writing to the screen.
*/
char *
remglob(argv, doswitch, errbuf)
char *argv[];
int doswitch;
char **errbuf;
{
char temp[MAXPATHLEN];
static char buf[MAXPATHLEN];
static FILE *ftemp = NULL;
static char **args;
int oldverbose, oldhash, fd;
char *cp, *mode;
if (!mflag) {
if (!doglob)
args = NULL;
else {
if (ftemp) {
(void)fclose(ftemp);
ftemp = NULL;
}
}
return (NULL);
}
if (!doglob) {
if (args == NULL)
args = argv;
if ((cp = *++args) == NULL)
args = NULL;
return (cp);
}
if (ftemp == NULL) {
(void)snprintf(temp, sizeof(temp), "%s/%s", tmpdir, TMPFILE);
if ((fd = mkstemp(temp)) < 0) {
warn("unable to create temporary file %s", temp);
return (NULL);
}
close(fd);
oldverbose = verbose;
verbose = (errbuf != NULL) ? -1 : 0;
oldhash = hash;
hash = 0;
if (doswitch)
pswitch(!proxy);
for (mode = "w"; *++argv != NULL; mode = "a")
recvrequest("NLST", temp, *argv, mode, 0, 0);
if ((code / 100) != COMPLETE) {
if (errbuf != NULL)
*errbuf = reply_string;
}
if (doswitch)
pswitch(!proxy);
verbose = oldverbose;
hash = oldhash;
ftemp = fopen(temp, "r");
(void)unlink(temp);
if (ftemp == NULL) {
if (errbuf == NULL)
fputs(
"can't find list of remote files, oops.\n",
ttyout);
else
*errbuf =
"can't find list of remote files, oops.";
return (NULL);
}
}
if (fgets(buf, sizeof(buf), ftemp) == NULL) {
(void)fclose(ftemp);
ftemp = NULL;
return (NULL);
}
if ((cp = strchr(buf, '\n')) != NULL)
*cp = '\0';
return (buf);
}
int
confirm(cmd, file)
const char *cmd, *file;
{
char line[BUFSIZ];
if (!interactive || confirmrest)
return (1);
fprintf(ttyout, "%s %s? ", cmd, file);
(void)fflush(ttyout);
if (fgets(line, sizeof(line), stdin) == NULL)
return (0);
switch (tolower(*line)) {
case 'n':
return (0);
case 'p':
interactive = 0;
fputs("Interactive mode: off.\n", ttyout);
break;
case 'a':
confirmrest = 1;
fprintf(ttyout, "Prompting off for duration of %s.\n",
cmd);
break;
}
return (1);
}
/*
* Glob a local file name specification with
* the expectation of a single return value.
* Can't control multiple values being expanded
* from the expression, we return only the first.
*/
int
globulize(cpp)
char **cpp;
{
glob_t gl;
int flags;
if (!doglob)
return (1);
flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_TILDE;
memset(&gl, 0, sizeof(gl));
if (glob(*cpp, flags, NULL, &gl) || gl.gl_pathc == 0) {
warnx("%s: not found", *cpp);
globfree(&gl);
return (0);
}
/* XXX: caller should check if *cpp changed, and
* free(*cpp) if that is the case
*/
*cpp = xstrdup(gl.gl_pathv[0]);
globfree(&gl);
return (1);
}
/*
* determine size of remote file
*/
off_t
remotesize(file, noisy)
const char *file;
int noisy;
{
int overbose;
off_t size;
overbose = verbose;
size = -1;
if (debug == 0)
verbose = -1;
if (command("SIZE %s", file) == COMPLETE) {
char *cp, *ep;
cp = strchr(reply_string, ' ');
if (cp != NULL) {
cp++;
#ifndef NO_QUAD
size = strtoq(cp, &ep, 10);
#else
size = strtol(cp, &ep, 10);
#endif
if (*ep != '\0' && !isspace((unsigned char)*ep))
size = -1;
}
} else if (noisy && debug == 0) {
fputs(reply_string, ttyout);
putc('\n', ttyout);
}
verbose = overbose;
return (size);
}
/*
* determine last modification time (in GMT) of remote file
*/
time_t
remotemodtime(file, noisy)
const char *file;
int noisy;
{
int overbose;
time_t rtime;
int ocode;
overbose = verbose;
ocode = code;
rtime = -1;
if (debug == 0)
verbose = -1;
if (command("MDTM %s", file) == COMPLETE) {
struct tm timebuf;
int yy, mo, day, hour, min, sec;
sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
&day, &hour, &min, &sec);
memset(&timebuf, 0, sizeof(timebuf));
timebuf.tm_sec = sec;
timebuf.tm_min = min;
timebuf.tm_hour = hour;
timebuf.tm_mday = day;
timebuf.tm_mon = mo - 1;
timebuf.tm_year = yy - TM_YEAR_BASE;
timebuf.tm_isdst = -1;
rtime = mkgmtime(&timebuf);
if (rtime == -1 && (noisy || debug != 0))
fprintf(ttyout, "Can't convert %s to a time.\n",
reply_string);
} else if (noisy && debug == 0) {
fputs(reply_string, ttyout);
putc('\n', ttyout);
}
verbose = overbose;
if (rtime == -1)
code = ocode;
return (rtime);
}
/*
* UTC version of mktime(3)
*/
#ifdef HAVE_TIMEGM
time_t
mkgmtime(tm)
struct tm *tm;
{
/* This is very clean, but not portable at all. */
return (timegm(tm));
}
#else /* not HAVE_TIMEGM */
/*
* This code is not portable, but works on most Unix-like systems.
* If the local timezone has no summer time, using mktime(3) function
* and adjusting offset would be usable (adjusting leap seconds
* is still required, though), but the assumption is not always true.
*
* Anyway, no portable and correct implementation of UTC to time_t
* conversion exists....
*/
static time_t
sub_mkgmt(tm)
struct tm *tm;
{
int y, nleapdays;
time_t t;
/* days before the month */
static const unsigned short moff[12] = {
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
};
/*
* XXX This code assumes the given time to be normalized.
* Normalizing here is impossible in case the given time is a leap
* second but the local time library is ignorant of leap seconds.
*/
/* minimal sanity checking not to access outside of the array */
if ((unsigned) tm->tm_mon >= 12)
return (time_t) -1;
if (tm->tm_year < EPOCH_YEAR - TM_YEAR_BASE)
return (time_t) -1;
y = tm->tm_year + TM_YEAR_BASE - (tm->tm_mon < 2);
nleapdays = y / 4 - y / 100 + y / 400 -
((EPOCH_YEAR-1) / 4 - (EPOCH_YEAR-1) / 100 + (EPOCH_YEAR-1) / 400);
t = ((((time_t) (tm->tm_year - (EPOCH_YEAR - TM_YEAR_BASE)) * 365 +
moff[tm->tm_mon] + tm->tm_mday - 1 + nleapdays) * 24 +
tm->tm_hour) * 60 + tm->tm_min) * 60 + tm->tm_sec;
return (t < 0 ? (time_t) -1 : t);
}
time_t
mkgmtime(tm)
struct tm *tm;
{
time_t t, t2;
struct tm *tm2;
int sec;
/* Do the first guess. */
if ((t = sub_mkgmt(tm)) == (time_t) -1)
return (time_t) -1;
/* save value in case *tm is overwritten by gmtime() */
sec = tm->tm_sec;
tm2 = gmtime(&t);
if ((t2 = sub_mkgmt(tm2)) == (time_t) -1)
return (time_t) -1;
if (t2 < t || tm2->tm_sec != sec) {
/*
* Adjust for leap seconds.
*
* real time_t time
* |
* tm
* / ... (a) first sub_mkgmt() conversion
* t
* |
* tm2
* / ... (b) second sub_mkgmt() conversion
* t2
* --->time
*/
/*
* Do the second guess, assuming (a) and (b) are almost equal.
*/
t += t - t2;
tm2 = gmtime(&t);
/*
* Either (a) or (b), may include one or two extra
* leap seconds. Try t, t + 2, t - 2, t + 1, and t - 1.
*/
if (tm2->tm_sec == sec
|| (t += 2, tm2 = gmtime(&t), tm2->tm_sec == sec)
|| (t -= 4, tm2 = gmtime(&t), tm2->tm_sec == sec)
|| (t += 3, tm2 = gmtime(&t), tm2->tm_sec == sec)
|| (t -= 2, tm2 = gmtime(&t), tm2->tm_sec == sec))
; /* found */
else {
/*
* Not found.
*/
if (sec >= 60)
/*
* The given time is a leap second
* (sec 60 or 61), but the time library
* is ignorant of the leap second.
*/
; /* treat sec 60 as 59,
sec 61 as 0 of the next minute */
else
/* The given time may not be normalized. */
t++; /* restore t */
}
}
return (t < 0 ? (time_t) -1 : t);
}
#endif /* not HAVE_TIMEGM */
#ifndef SMALL
/*
* return non-zero if we're the current foreground process
*/
int
foregroundproc()
{
static pid_t pgrp = -1;
int ctty_pgrp;
if (pgrp == -1)
pgrp = getpgrp();
return ((ioctl(fileno(ttyout), TIOCGPGRP, &ctty_pgrp) != -1 &&
ctty_pgrp == (int)pgrp));
}
static void updateprogressmeter __P((int));
static void
updateprogressmeter(dummy)
int dummy;
{
/*
* print progress bar only if we are foreground process.
*/
if (foregroundproc())
progressmeter(0);
}
#endif /* SMALL */
/*
* List of order of magnitude prefixes.
* The last is `P', as 2^64 = 16384 Petabytes
*/
static const char prefixes[] = " KMGTP";
/*
* Display a transfer progress bar if progress is non-zero.
* SIGALRM is hijacked for use by this function.
* - Before the transfer, set filesize to size of file (or -1 if unknown),
* and call with flag = -1. This starts the once per second timer,
* and a call to updateprogressmeter() upon SIGALRM.
* - During the transfer, updateprogressmeter will call progressmeter
* with flag = 0
* - After the transfer, call with flag = 1
*/
static struct timeval start;
static struct timeval lastupdate;
void
progressmeter(flag)
int flag;
{
#ifndef SMALL
static off_t lastsize;
struct timeval now, td, wait;
off_t cursize, abbrevsize, bytespersec;
double elapsed;
int ratio, barlength, i, len, remaining;
char buf[256];
len = 0;
if (flag == -1) {
(void)gettimeofday(&start, NULL);
lastupdate = start;
lastsize = restart_point;
}
(void)gettimeofday(&now, NULL);
if (!progress || filesize <= 0)
return;
cursize = bytes + restart_point;
ratio = (int)((double)cursize * 100.0 / (double)filesize);
ratio = MAX(ratio, 0);
ratio = MIN(ratio, 100);
len += snprintf(buf + len, sizeof(buf) - len, "\r%3d%% ", ratio);
barlength = ttywidth - 43;
if (barlength > 0) {
i = barlength * ratio / 100;
len += snprintf(buf + len, sizeof(buf) - len,
"|%.*s%*s|", i,
"*****************************************************************************"
"*****************************************************************************",
barlength - i, "");
}
abbrevsize = cursize;
for (i = 0; abbrevsize >= 100000 && i < sizeof(prefixes); i++)
abbrevsize >>= 10;
len += snprintf(buf + len, sizeof(buf) - len,
#ifndef NO_QUAD
" %5qd %c%c ", (long long)abbrevsize,
#else
" %5ld %c%c ", (long)abbrevsize,
#endif
prefixes[i],
i == 0 ? ' ' : 'B');
timersub(&now, &lastupdate, &wait);
if (cursize > lastsize) {
lastupdate = now;
lastsize = cursize;
if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
start.tv_sec += wait.tv_sec;
start.tv_usec += wait.tv_usec;
}
wait.tv_sec = 0;
}
timersub(&now, &start, &td);
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
bytespersec = 0;
if (bytes > 0) {
bytespersec = bytes;
if (elapsed > 0.0)
bytespersec /= elapsed;
}
for (i = 1; bytespersec >= 1024000 && i < sizeof(prefixes); i++)
bytespersec >>= 10;
len += snprintf(buf + len, sizeof(buf) - len,
#ifndef NO_QUAD
" %3qd.%02d %cB/s ", (long long)bytespersec / 1024,
#else
" %3ld.%02d %cB/s ", (long)bytespersec / 1024,
#endif
(int)((bytespersec % 1024) * 100 / 1024),
prefixes[i]);
if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
len += snprintf(buf + len, sizeof(buf) - len,
" --:-- ETA");
} else if (wait.tv_sec >= STALLTIME) {
len += snprintf(buf + len, sizeof(buf) - len,
" - stalled -");
} else {
remaining = (int)
((filesize - restart_point) / (bytes / elapsed) - elapsed);
if (remaining >= 100 * SECSPERHOUR)
len += snprintf(buf + len, sizeof(buf) - len,
" --:-- ETA");
else {
i = remaining / SECSPERHOUR;
if (i)
len += snprintf(buf + len, sizeof(buf) - len,
"%2d:", i);
else
len += snprintf(buf + len, sizeof(buf) - len,
" ");
i = remaining % SECSPERHOUR;
len += snprintf(buf + len, sizeof(buf) - len,
"%02d:%02d ETA", i / 60, i % 60);
}
}
(void)write(fileno(ttyout), buf, len);
if (flag == -1) {
(void)xsignal(SIGALRM, updateprogressmeter);
alarmtimer(1); /* set alarm timer for 1 Hz */
} else if (flag == 1) {
(void)xsignal(SIGALRM, SIG_DFL);
alarmtimer(0);
(void)putc('\n', ttyout);
}
fflush(ttyout);
#endif /* SMALL */
}
/*
* Display transfer statistics.
* Requires start to be initialised by progressmeter(-1),
* direction to be defined by xfer routines, and filesize and bytes
* to be updated by xfer routines
* If siginfo is nonzero, an ETA is displayed, and the output goes to stderr
* instead of ttyout.
*/
void
ptransfer(siginfo)
int siginfo;
{
#ifndef SMALL
struct timeval now, td, wait;
double elapsed;
off_t bytespersec;
int remaining, hh, i, len;
char buf[100];
if (!verbose && !siginfo)
return;
(void)gettimeofday(&now, NULL);
timersub(&now, &start, &td);
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
bytespersec = 0;
if (bytes > 0) {
bytespersec = bytes;
if (elapsed > 0.0)
bytespersec /= elapsed;
}
len = 0;
len += snprintf(buf + len, sizeof(buf) - len,
#ifndef NO_QUAD
"%qd byte%s %s in ", (long long)bytes,
#else
"%ld byte%s %s in ", (long)bytes,
#endif
bytes == 1 ? "" : "s", direction);
remaining = (int)elapsed;
if (remaining > SECSPERDAY) {
int days;
days = remaining / SECSPERDAY;
remaining %= SECSPERDAY;
len += snprintf(buf + len, sizeof(buf) - len,
"%d day%s ", days, days == 1 ? "" : "s");
}
hh = remaining / SECSPERHOUR;
remaining %= SECSPERHOUR;
if (hh)
len += snprintf(buf + len, sizeof(buf) - len, "%2d:", hh);
len += snprintf(buf + len, sizeof(buf) - len,
"%02d:%02d ", remaining / 60, remaining % 60);
for (i = 1; bytespersec >= 1024000 && i < sizeof(prefixes); i++)
bytespersec >>= 10;
len += snprintf(buf + len, sizeof(buf) - len,
#ifndef NO_QUAD
"(%qd.%02d %cB/s)", (long long)bytespersec / 1024,
#else
"(%ld.%02d %cB/s)", (long)bytespersec / 1024,
#endif
(int)((bytespersec % 1024) * 100 / 1024),
prefixes[i]);
if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
&& bytes + restart_point <= filesize) {
remaining = (int)((filesize - restart_point) /
(bytes / elapsed) - elapsed);
hh = remaining / SECSPERHOUR;
remaining %= SECSPERHOUR;
len += snprintf(buf + len, sizeof(buf) - len, " ETA: ");
if (hh)
len += snprintf(buf + len, sizeof(buf) - len, "%2d:",
hh);
len += snprintf(buf + len, sizeof(buf) - len,
"%02d:%02d", remaining / 60, remaining % 60);
timersub(&now, &lastupdate, &wait);
if (wait.tv_sec >= STALLTIME)
len += snprintf(buf + len, sizeof(buf) - len,
" (stalled)");
}
len += snprintf(buf + len, sizeof(buf) - len, "\n");
(void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, len);
#endif /* SMALL */
}
/*
* List words in stringlist, vertically arranged
*/
void
list_vertical(sl)
StringList *sl;
{
int i, j, w;
int columns, width, lines, items;
char *p;
width = items = 0;
for (i = 0 ; i < sl->sl_cur ; i++) {
w = strlen(sl->sl_str[i]);
if (w > width)
width = w;
}
width = (width + 8) &~ 7;
columns = ttywidth / width;
if (columns == 0)
columns = 1;
lines = (sl->sl_cur + columns - 1) / columns;
for (i = 0; i < lines; i++) {
for (j = 0; j < columns; j++) {
p = sl->sl_str[j * lines + i];
if (p)
fputs(p, ttyout);
if (j * lines + i + lines >= sl->sl_cur) {
putc('\n', ttyout);
break;
}
w = strlen(p);
while (w < width) {
w = (w + 8) &~ 7;
(void)putc('\t', ttyout);
}
}
}
}
/*
* Update the global ttywidth value, using TIOCGWINSZ.
*/
void
setttywidth(a)
int a;
{
struct winsize winsize;
if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1 &&
winsize.ws_col != 0)
ttywidth = winsize.ws_col;
else
ttywidth = 80;
}
/*
* Set the SIGALRM interval timer for wait seconds, 0 to disable.
*/
void
alarmtimer(wait)
int wait;
{
struct itimerval itv;
itv.it_value.tv_sec = wait;
itv.it_value.tv_usec = 0;
itv.it_interval = itv.it_value;
setitimer(ITIMER_REAL, &itv, NULL);
}
/*
* Setup or cleanup EditLine structures
*/
#ifndef SMALL
void
controlediting()
{
if (editing && el == NULL && hist == NULL) {
HistEvent ev;
int editmode;
el = el_init(__progname, stdin, ttyout, stderr);
/* init editline */
hist = history_init(); /* init the builtin history */
history(hist, &ev, H_SETSIZE, 100);/* remember 100 events */
el_set(el, EL_HIST, history, hist); /* use history */
el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
el_set(el, EL_PROMPT, prompt); /* set the prompt function */
/* add local file completion, bind to TAB */
el_set(el, EL_ADDFN, "ftp-complete",
"Context sensitive argument completion",
complete);
el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
el_source(el, NULL); /* read ~/.editrc */
if ((el_get(el, EL_EDITMODE, &editmode) != -1) && editmode == 0)
editing = 0; /* the user doesn't want editing,
* so disable, and let statement
* below cleanup */
else
el_set(el, EL_SIGNAL, 1);
}
if (!editing) {
if (hist) {
history_end(hist);
hist = NULL;
}
if (el) {
el_end(el);
el = NULL;
}
}
}
#endif /* !SMALL */
/*
* Parse the specified socket buffer size.
*/
int
getsockbufsize(arg)
const char *arg;
{
char *cp;
int val;
if (!isdigit((unsigned char)arg[0]))
return (-1);
val = strtol(arg, &cp, 10);
if (cp != NULL) {
if (cp[1] != '\0')
return (-1);
if (cp[0] == 'k')
val *= 1024;
if (cp[0] == 'm')
val *= 1024 * 1024;
}
if (val < 0)
return (-1);
return (val);
}
/*
* Set up socket buffer sizes before a connection is made.
*/
void
setupsockbufsize(sock)
int sock;
{
static int sndbuf_default, rcvbuf_default;
int len, size;
/*
* Get the default socket buffer sizes if we don't already
* have them. It doesn't matter which socket we do this
* to, because on the first call no socket buffer sizes
* will have been modified, so we are guaranteed to get
* the system defaults.
*/
if (sndbuf_default == 0) {
len = sizeof(sndbuf_default);
if (getsockopt(sock, SOL_SOCKET, SO_SNDBUF, &sndbuf_default,
&len) < 0)
err(1, "unable to get default sndbuf size");
len = sizeof(rcvbuf_default);
if (getsockopt(sock, SOL_SOCKET, SO_RCVBUF, &rcvbuf_default,
&len) < 0)
err(1, "unable to get default rcvbuf size");
}
size = sndbuf_size ? sndbuf_size : sndbuf_default;
if (setsockopt(sock, SOL_SOCKET, SO_SNDBUF, &size, sizeof(size)) < 0)
warn("unable to set sndbuf size %d", size);
size = rcvbuf_size ? rcvbuf_size : rcvbuf_default;
if (setsockopt(sock, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size)) < 0)
warn("unable to set rcvbuf size %d", size);
}
/*
* If the socket buffer sizes were not set manually (i.e. came from a
* configuration file), reset them so the right thing will happen on
* subsequent connections.
*/
void
resetsockbufsize()
{
if (sndbuf_manual == 0)
sndbuf_size = 0;
if (rcvbuf_manual == 0)
rcvbuf_size = 0;
}
void
ftpvis(dst, dstlen, src, srclen)
char *dst;
size_t dstlen;
const char *src;
size_t srclen;
{
int di, si;
for (di = si = 0;
src[si] != '\0' && di < dstlen && si < srclen;
di++, si++) {
switch (src[si]) {
case '\\':
case ' ':
case '\t':
case '\r':
case '"':
dst[di++] = '\\';
if (di >= dstlen)
break;
/* FALLTHROUGH */
default:
dst[di] = src[si];
}
}
dst[di] = '\0';
}
/*
* Internal version of connect(2); sets socket buffer sizes first.
*/
int
xconnect(sock, name, namelen)
int sock;
const struct sockaddr *name;
int namelen;
{
setupsockbufsize(sock);
return (connect(sock, name, namelen));
}
/*
* Internal version of listen(2); sets socket buffer sizes first.
*/
int
xlisten(sock, backlog)
int sock, backlog;
{
setupsockbufsize(sock);
return (listen(sock, backlog));
}
void *
xmalloc(size)
size_t size;
{
void *p;
p = malloc(size);
if (p == NULL)
err(1, "Unable to allocate %ld bytes of memory", (long)size);
return (p);
}
char *
xstrdup(str)
const char *str;
{
char *s;
if (str == NULL)
errx(1, "xstrdup() called with NULL argument");
s = strdup(str);
if (s == NULL)
err(1, "Unable to allocate memory for string copy");
return (s);
}
sig_t
xsignal(sig, func)
int sig;
void (*func) __P((int));
{
struct sigaction act, oact;
act.sa_handler = func;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
if (sigaction(sig, &act, &oact) < 0)
return (SIG_ERR);
return (oact.sa_handler);
}
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