OpenBSD-4.6/usr.bin/ftp/util.c
/* $OpenBSD: util.c,v 1.63 2009/05/10 16:31:17 deraadt Exp $ */
/* $NetBSD: util.c,v 1.12 1997/08/18 10:20:27 lukem Exp $ */
/*-
* Copyright (c) 1997-1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn.
*
* 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.
*
* 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 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. 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.
*/
/*
* FTP User Program -- Misc support routines
*/
#include <sys/ioctl.h>
#include <sys/time.h>
#include <arpa/ftp.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <limits.h>
#include <glob.h>
#include <pwd.h>
#include <signal.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"
static void updateprogressmeter(int);
/*
* Connect to peer server and
* auto-login, if possible.
*/
void
setpeer(int argc, char *argv[])
{
char *host, *port;
if (connected) {
fprintf(ttyout, "Already connected to %s, use close first.\n",
hostname);
code = -1;
return;
}
#ifndef SMALL
if (argc < 2)
(void)another(&argc, &argv, "to");
if (argc < 2 || argc > 3) {
fprintf(ttyout, "usage: %s host [port]\n", argv[0]);
code = -1;
return;
}
#endif /* !SMALL */
if (gatemode)
port = gateport;
else
port = ftpport;
if (argc > 2)
port = argv[2];
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)strlcpy(formname, "non-print", sizeof formname);
form = FORM_N;
(void)strlcpy(modename, "stream", sizeof modename);
mode = MODE_S;
(void)strlcpy(structname, "file", sizeof structname);
stru = STRU_F;
(void)strlcpy(bytename, "8", sizeof bytename);
bytesize = 8;
/*
* 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.
*/
(void)strlcpy(typename, "binary", sizeof typename);
curtype = TYPE_A;
type = 0;
if (autologin)
(void)ftp_login(argv[1], NULL, NULL);
#if (defined(unix) || defined(BSD)) && NBBY == 8
/*
* this ifdef is to keep someone form "porting" this to an incompatible
* system and not checking this out. This way they have to think about it.
*/
overbose = verbose;
#ifndef SMALL
if (!debug)
#endif /* !SMALL */
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;
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;
#endif /* unix || BSD */
}
}
/*
* login to remote host, using given username & password if supplied
*/
int
ftp_login(const char *host, char *user, char *pass)
{
char tmp[80], *acctname = NULL, host_name[MAXHOSTNAMELEN];
char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
int n, aflag = 0, retry = 0;
struct passwd *pw;
#ifndef SMALL
if (user == NULL) {
if (ruserpass(host, &user, &pass, &acctname) < 0) {
code = -1;
return (0);
}
}
#endif /* !SMALL */
/*
* Set up arguments for an anonymous FTP session, if necessary.
*/
if ((user == NULL || pass == NULL) && anonftp) {
memset(anonpass, 0, sizeof(anonpass));
memset(host_name, 0, sizeof(host_name));
/*
* Set up anonymous login password.
*/
if ((user = getlogin()) == NULL) {
if ((pw = getpwuid(getuid())) == NULL)
user = "anonymous";
else
user = pw->pw_name;
}
gethostname(host_name, sizeof(host_name));
#ifndef DONT_CHEAT_ANONPASS
/*
* 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@",
user);
#else
snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
user, hp->h_name);
#endif
pass = anonpass;
user = "anonymous"; /* as per RFC 1635 */
}
tryagain:
if (retry)
user = "ftp"; /* some servers only allow "ftp" */
while (user == NULL) {
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);
user = myname;
if (fgets(tmp, sizeof(tmp), stdin) != NULL) {
tmp[strcspn(tmp, "\n")] = '\0';
if (tmp[0] != '\0')
user = tmp;
}
else
exit(0);
}
n = command("USER %s", user);
if (n == CONTINUE) {
if (pass == NULL)
pass = getpass("Password:");
n = command("PASS %s", pass);
}
if (n == CONTINUE) {
aflag++;
if (acctname == NULL)
acctname = getpass("Account:");
n = command("ACCT %s", acctname);
}
if ((n != COMPLETE) ||
(!aflag && acctname != NULL && command("ACCT %s", acctname) != COMPLETE)) {
warnx("Login %s failed.", user);
if (retry || !anonftp)
return (0);
else
retry = 1;
goto tryagain;
}
if (proxy)
return (1);
connected = -1;
#ifndef SMALL
for (n = 0; n < macnum; ++n) {
if (!strcmp("init", macros[n].mac_name)) {
(void)strlcpy(line, "$init", sizeof line);
makeargv();
domacro(margc, margv);
break;
}
}
#endif /* SMALL */
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.
*/
#ifndef SMALL
int
another(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], (int)(sizeof(line) - len), stdin) == NULL) {
clearerr(stdin);
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);
}
#endif /* !SMALL */
/*
* glob files given in argv[] from the remote server.
* if errbuf isn't NULL, store error messages there instead
* of writing to the screen.
* if type isn't NULL, use LIST instead of NLST, and store filetype.
* 'd' means directory, 's' means symbolic link, '-' means plain
* file.
*/
char *
remglob2(char *argv[], int doswitch, char **errbuf, FILE **ftemp, char *type)
{
char temp[MAXPATHLEN], *bufp, *cp, *lmode;
static char buf[MAXPATHLEN], **args;
int oldverbose, oldhash, fd;
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) {
int len;
if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
cp = _PATH_TMP;
len = strlen(cp);
if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
warnx("unable to create temporary file: %s",
strerror(ENAMETOOLONG));
return (NULL);
}
(void)strlcpy(temp, cp, sizeof temp);
if (temp[len-1] != '/')
temp[len++] = '/';
(void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
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 (lmode = "w"; *++argv != NULL; lmode = "a")
recvrequest(type ? "LIST" : "NLST", temp, *argv, lmode,
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);
}
}
again:
if (fgets(buf, sizeof(buf), *ftemp) == NULL) {
(void)fclose(*ftemp);
*ftemp = NULL;
return (NULL);
}
buf[strcspn(buf, "\n")] = '\0';
bufp = buf;
#ifndef SMALL
if (type) {
parse_list(&bufp, type);
if (!bufp ||
(bufp[0] == '.' && /* LIST defaults to -a on some ftp */
(bufp[1] == '\0' || /* servers. Ignore '.' and '..'. */
(bufp[1] == '.' && bufp[2] == '\0'))))
goto again;
}
#endif /* !SMALL */
return (bufp);
}
/*
* wrapper for remglob2
*/
char *
remglob(char *argv[], int doswitch, char **errbuf)
{
static FILE *ftemp = NULL;
return remglob2(argv, doswitch, errbuf, &ftemp, NULL);
}
#ifndef SMALL
int
confirm(const char *cmd, const char *file)
{
char str[BUFSIZ];
if (file && (confirmrest || !interactive))
return (1);
top:
if (file)
fprintf(ttyout, "%s %s? ", cmd, file);
else
fprintf(ttyout, "Continue with %s? ", cmd);
(void)fflush(ttyout);
if (fgets(str, sizeof(str), stdin) == NULL)
goto quit;
switch (tolower(*str)) {
case '?':
fprintf(ttyout,
"? help\n"
"a answer yes to all\n"
"n answer no\n"
"p turn off prompt mode\n"
"q answer no to all\n"
"y answer yes\n");
goto top;
case 'a':
confirmrest = 1;
fprintf(ttyout, "Prompting off for duration of %s.\n",
cmd);
break;
case 'n':
return (0);
case 'p':
interactive = 0;
fputs("Interactive mode: off.\n", ttyout);
break;
case 'q':
quit:
mflag = 0;
clearerr(stdin);
return (0);
case 'y':
return(1);
break;
default:
fprintf(ttyout, "?, a, n, p, q, y "
"are the only acceptable commands!\n");
goto top;
break;
}
return (1);
}
#endif /* !SMALL */
/*
* 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(char **cpp)
{
glob_t gl;
int flags;
if (!doglob)
return (1);
flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|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 = strdup(gl.gl_pathv[0]);
if (*cpp == NULL)
err(1, NULL);
globfree(&gl);
return (1);
}
/*
* determine size of remote file
*/
off_t
remotesize(const char *file, int noisy)
{
int overbose;
off_t size;
overbose = verbose;
size = -1;
#ifndef SMALL
if (!debug)
#endif /* !SMALL */
verbose = -1;
if (command("SIZE %s", file) == COMPLETE) {
char *cp, *ep;
cp = strchr(reply_string, ' ');
if (cp != NULL) {
cp++;
size = strtoq(cp, &ep, 10);
if (*ep != '\0' && !isspace(*ep))
size = -1;
}
} else if (noisy
#ifndef SMALL
&& !debug
#endif /* !SMALL */
) {
fputs(reply_string, ttyout);
fputc('\n', ttyout);
}
verbose = overbose;
return (size);
}
/*
* determine last modification time (in GMT) of remote file
*/
time_t
remotemodtime(const char *file, int noisy)
{
int overbose;
time_t rtime;
int ocode;
overbose = verbose;
ocode = code;
rtime = -1;
#ifndef SMALL
if (!debug)
#endif /* !SMALL */
verbose = -1;
if (command("MDTM %s", file) == COMPLETE) {
struct tm timebuf;
int yy, mo, day, hour, min, sec;
/*
* time-val = 14DIGIT [ "." 1*DIGIT ]
* YYYYMMDDHHMMSS[.sss]
* mdtm-response = "213" SP time-val CRLF / error-response
*/
/* TODO: parse .sss as well, use timespecs. */
char *timestr = reply_string;
/* Repair `19%02d' bug on server side */
while (!isspace(*timestr))
timestr++;
while (isspace(*timestr))
timestr++;
if (strncmp(timestr, "191", 3) == 0) {
fprintf(ttyout,
"Y2K warning! Fixed incorrect time-val received from server.\n");
timestr[0] = ' ';
timestr[1] = '2';
timestr[2] = '0';
}
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 = mktime(&timebuf);
if (rtime == -1 && (noisy
#ifndef SMALL
|| debug
#endif /* !SMALL */
))
fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
else
rtime += timebuf.tm_gmtoff; /* conv. local -> GMT */
} else if (noisy
#ifndef SMALL
&& !debug
#endif /* !SMALL */
) {
fputs(reply_string, ttyout);
fputc('\n', ttyout);
}
verbose = overbose;
if (rtime == -1)
code = ocode;
return (rtime);
}
/*
* Ensure file is in or under dir.
* Returns 1 if so, 0 if not (or an error occurred).
*/
int
fileindir(const char *file, const char *dir)
{
char parentdirbuf[MAXPATHLEN], *parentdir;
char realdir[MAXPATHLEN];
size_t dirlen;
/* determine parent directory of file */
(void)strlcpy(parentdirbuf, file, sizeof(parentdirbuf));
parentdir = dirname(parentdirbuf);
if (strcmp(parentdir, ".") == 0)
return 1; /* current directory is ok */
/* find the directory */
if (realpath(parentdir, realdir) == NULL) {
warn("Unable to determine real path of `%s'", parentdir);
return 0;
}
if (realdir[0] != '/') /* relative result is ok */
return 1;
dirlen = strlen(dir);
if (strncmp(realdir, dir, dirlen) == 0 &&
(realdir[dirlen] == '/' || realdir[dirlen] == '\0'))
return 1;
return 0;
}
/*
* Returns true if this is the controlling/foreground process, else false.
*/
int
foregroundproc(void)
{
static pid_t pgrp = -1;
int ctty_pgrp;
if (pgrp == -1)
pgrp = getpgrp();
return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
ctty_pgrp == pgrp));
}
/* ARGSUSED */
static void
updateprogressmeter(int signo)
{
int save_errno = errno;
/* update progressmeter if foreground process or in -m mode */
if (foregroundproc() || progress == -1)
progressmeter(0, NULL);
errno = save_errno;
}
/*
* 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;
void
progressmeter(int flag, const char *filename)
{
/*
* List of order of magnitude prefixes.
* The last is `P', as 2^64 = 16384 Petabytes
*/
static const char prefixes[] = " KMGTP";
static struct timeval lastupdate;
static off_t lastsize;
static char *title = NULL;
struct timeval now, td, wait;
off_t cursize, abbrevsize;
double elapsed;
int ratio, barlength, i, remaining, overhead = 30;
char buf[512];
if (flag == -1) {
(void)gettimeofday(&start, (struct timezone *)0);
lastupdate = start;
lastsize = restart_point;
}
(void)gettimeofday(&now, (struct timezone *)0);
if (!progress || filesize < 0)
return;
cursize = bytes + restart_point;
if (filesize)
ratio = cursize * 100 / filesize;
else
ratio = 100;
ratio = MAX(ratio, 0);
ratio = MIN(ratio, 100);
if (!verbose && flag == -1) {
filename = basename(filename);
if (filename != NULL)
title = strdup(filename);
}
if (!verbose && title != NULL) {
int l = strlen(title);
char *dotdot = "";
if (l < 12)
l = 12;
else if (l > 25) {
l = 22;
dotdot = "...";
overhead += 3;
}
snprintf(buf, sizeof(buf), "\r%-*.*s%s %3d%% ", l, l, title,
dotdot, ratio);
overhead += l + 1;
} else
snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
barlength = ttywidth - overhead;
if (barlength > 0) {
i = barlength * ratio / 100;
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"|%.*s%*s|", i,
"*******************************************************"
"*******************************************************"
"*******************************************************"
"*******************************************************"
"*******************************************************"
"*******************************************************"
"*******************************************************",
barlength - i, "");
}
i = 0;
abbrevsize = cursize;
while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
i++;
abbrevsize >>= 10;
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" %5lld %c%c ", (long long)abbrevsize, prefixes[i],
prefixes[i] == ' ' ? ' ' : '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);
if (flag == 1) {
i = (int)elapsed / 3600;
if (i)
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%2d:", i);
else
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" ");
i = (int)elapsed % 3600;
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%02d:%02d ", i / 60, i % 60);
} else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" --:-- ETA");
} else if (wait.tv_sec >= STALLTIME) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" - stalled -");
} else {
remaining = (int)((filesize - restart_point) /
(bytes / elapsed) - elapsed);
i = remaining / 3600;
if (i)
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%2d:", i);
else
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
" ");
i = remaining % 3600;
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
"%02d:%02d ETA", i / 60, i % 60);
}
(void)write(fileno(ttyout), buf, strlen(buf));
if (flag == -1) {
(void)signal(SIGALRM, updateprogressmeter);
alarmtimer(1); /* set alarm timer for 1 Hz */
} else if (flag == 1) {
alarmtimer(0);
(void)putc('\n', ttyout);
if (title != NULL) {
free(title);
title = NULL;
}
}
fflush(ttyout);
}
/*
* 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(int siginfo)
{
struct timeval now, td;
double elapsed;
off_t bs;
int meg, remaining, hh;
char buf[100];
if (!verbose && !siginfo)
return;
(void)gettimeofday(&now, (struct timezone *)0);
timersub(&now, &start, &td);
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
meg = 0;
if (bs > (1024 * 1024))
meg = 1;
(void)snprintf(buf, sizeof(buf),
"%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
(long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
&& bytes + restart_point <= filesize) {
remaining = (int)((filesize - restart_point) /
(bytes / elapsed) - elapsed);
hh = remaining / 3600;
remaining %= 3600;
/* "buf+len(buf) -1" to overwrite \n */
snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
" ETA: %02d:%02d:%02d\n", hh, remaining / 60,
remaining % 60);
}
(void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
}
/*
* List words in stringlist, vertically arranged
*/
#ifndef SMALL
void
list_vertical(StringList *sl)
{
int i, j, w;
int columns, width, lines;
char *p;
width = 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);
}
}
}
}
#endif /* !SMALL */
/*
* Update the global ttywidth value, using TIOCGWINSZ.
*/
/* ARGSUSED */
void
setttywidth(int signo)
{
int save_errno = errno;
struct winsize winsize;
if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
ttywidth = winsize.ws_col ? winsize.ws_col : 80;
else
ttywidth = 80;
errno = save_errno;
}
/*
* Set the SIGALRM interval timer for wait seconds, 0 to disable.
*/
void
alarmtimer(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(void)
{
HistEvent hev;
if (editing && el == NULL && hist == NULL) {
el = el_init(__progname, stdin, ttyout, stderr); /* init editline */
hist = history_init(); /* init the builtin history */
history(hist, &hev, 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 */
el_set(el, EL_SIGNAL, 1);
} else if (!editing) {
if (hist) {
history_end(hist);
hist = NULL;
}
if (el) {
el_end(el);
el = NULL;
}
}
}
#endif /* !SMALL */