85e3997a42
and sigint_raised is non-zero, reset the handler for SIGINT to SIG_DFL and raise(SIGINT) so that the appropriate wait(3) status is setup. Based on solution proposed by Ognyan Kulev. This should really fix PR [pkg/26351].
1047 lines
24 KiB
C
1047 lines
24 KiB
C
/* $NetBSD: main.c,v 1.90 2004/07/21 00:09:14 lukem Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1996-2004 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* 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. 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 1997 and 1998 WIDE Project.
|
|
* 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 project 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 PROJECT 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 PROJECT 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
|
|
__COPYRIGHT("@(#) Copyright (c) 1985, 1989, 1993, 1994\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94";
|
|
#else
|
|
__RCSID("$NetBSD: main.c,v 1.90 2004/07/21 00:09:14 lukem Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* FTP User Program -- Command Interface.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <netdb.h>
|
|
#include <paths.h>
|
|
#include <pwd.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <locale.h>
|
|
|
|
#define GLOBAL /* force GLOBAL decls in ftp_var.h to be declared */
|
|
#include "ftp_var.h"
|
|
|
|
#define FTP_PROXY "ftp_proxy" /* env var with FTP proxy location */
|
|
#define HTTP_PROXY "http_proxy" /* env var with HTTP proxy location */
|
|
#define NO_PROXY "no_proxy" /* env var with list of non-proxied
|
|
* hosts, comma or space separated */
|
|
|
|
static void setupoption(char *, char *, char *);
|
|
int main(int, char *[]);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int ch, rval;
|
|
struct passwd *pw;
|
|
char *cp, *ep, *anonuser, *anonpass, *upload_path;
|
|
int dumbterm, s, len, isupload;
|
|
|
|
setlocale(LC_ALL, "");
|
|
setprogname(argv[0]);
|
|
|
|
sigint_raised = 0;
|
|
|
|
ftpport = "ftp";
|
|
httpport = "http";
|
|
gateport = NULL;
|
|
cp = getenv("FTPSERVERPORT");
|
|
if (cp != NULL)
|
|
gateport = cp;
|
|
else
|
|
gateport = "ftpgate";
|
|
doglob = 1;
|
|
interactive = 1;
|
|
autologin = 1;
|
|
passivemode = 1;
|
|
activefallback = 1;
|
|
preserve = 1;
|
|
verbose = 0;
|
|
progress = 0;
|
|
gatemode = 0;
|
|
data = -1;
|
|
outfile = NULL;
|
|
restartautofetch = 0;
|
|
#ifndef NO_EDITCOMPLETE
|
|
editing = 0;
|
|
el = NULL;
|
|
hist = NULL;
|
|
#endif
|
|
bytes = 0;
|
|
mark = HASHBYTES;
|
|
rate_get = 0;
|
|
rate_get_incr = DEFAULTINCR;
|
|
rate_put = 0;
|
|
rate_put_incr = DEFAULTINCR;
|
|
#ifdef INET6
|
|
epsv4 = 1;
|
|
#else
|
|
epsv4 = 0;
|
|
#endif
|
|
epsv4bad = 0;
|
|
upload_path = NULL;
|
|
isupload = 0;
|
|
reply_callback = NULL;
|
|
family = AF_UNSPEC;
|
|
|
|
netrc[0] = '\0';
|
|
cp = getenv("NETRC");
|
|
if (cp != NULL && strlcpy(netrc, cp, sizeof(netrc)) >= sizeof(netrc))
|
|
errx(1, "$NETRC `%s': %s", cp, strerror(ENAMETOOLONG));
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
s = socket(AF_INET, SOCK_STREAM, 0);
|
|
if (s == -1)
|
|
err(1, "can't create socket");
|
|
len = sizeof(rcvbuf_size);
|
|
if (getsockopt(s, SOL_SOCKET, SO_RCVBUF, (void *) &rcvbuf_size, &len)
|
|
< 0)
|
|
err(1, "unable to get default rcvbuf size");
|
|
len = sizeof(sndbuf_size);
|
|
if (getsockopt(s, SOL_SOCKET, SO_SNDBUF, (void *) &sndbuf_size, &len)
|
|
< 0)
|
|
err(1, "unable to get default sndbuf size");
|
|
(void)close(s);
|
|
/* sanity check returned buffer sizes */
|
|
if (rcvbuf_size <= 0)
|
|
rcvbuf_size = 8 * 1024;
|
|
if (sndbuf_size <= 0)
|
|
sndbuf_size = 8 * 1024;
|
|
|
|
if (sndbuf_size > 8 * 1024 * 1024)
|
|
sndbuf_size = 8 * 1024 * 1024;
|
|
if (rcvbuf_size > 8 * 1024 * 1024)
|
|
rcvbuf_size = 8 * 1024 * 1024;
|
|
|
|
marg_sl = xsl_init();
|
|
if ((tmpdir = getenv("TMPDIR")) == NULL)
|
|
tmpdir = _PATH_TMP;
|
|
|
|
/* Set default operation mode based on FTPMODE environment variable */
|
|
if ((cp = getenv("FTPMODE")) != NULL) {
|
|
if (strcasecmp(cp, "passive") == 0) {
|
|
passivemode = 1;
|
|
activefallback = 0;
|
|
} else if (strcasecmp(cp, "active") == 0) {
|
|
passivemode = 0;
|
|
activefallback = 0;
|
|
} else if (strcasecmp(cp, "gate") == 0) {
|
|
gatemode = 1;
|
|
} else if (strcasecmp(cp, "auto") == 0) {
|
|
passivemode = 1;
|
|
activefallback = 1;
|
|
} else
|
|
warnx("unknown $FTPMODE '%s'; using defaults", cp);
|
|
}
|
|
|
|
if (strcmp(getprogname(), "pftp") == 0) {
|
|
passivemode = 1;
|
|
activefallback = 0;
|
|
} else if (strcmp(getprogname(), "gate-ftp") == 0)
|
|
gatemode = 1;
|
|
|
|
gateserver = getenv("FTPSERVER");
|
|
if (gateserver == NULL || *gateserver == '\0')
|
|
gateserver = GATE_SERVER;
|
|
if (gatemode) {
|
|
if (*gateserver == '\0') {
|
|
warnx(
|
|
"Neither $FTPSERVER nor GATE_SERVER is defined; disabling gate-ftp");
|
|
gatemode = 0;
|
|
}
|
|
}
|
|
|
|
cp = getenv("TERM");
|
|
if (cp == NULL || strcmp(cp, "dumb") == 0)
|
|
dumbterm = 1;
|
|
else
|
|
dumbterm = 0;
|
|
fromatty = isatty(fileno(stdin));
|
|
ttyout = stdout;
|
|
if (isatty(fileno(ttyout))) {
|
|
verbose = 1; /* verbose if to a tty */
|
|
if (! dumbterm) {
|
|
#ifndef NO_EDITCOMPLETE
|
|
if (fromatty) /* editing mode on if tty is usable */
|
|
editing = 1;
|
|
#endif
|
|
#ifndef NO_PROGRESS
|
|
if (foregroundproc())
|
|
progress = 1; /* progress bar on if fg */
|
|
#endif
|
|
}
|
|
}
|
|
|
|
while ((ch = getopt(argc, argv, "46AadefginN:o:pP:q:r:RtT:u:vV")) != -1) {
|
|
switch (ch) {
|
|
case '4':
|
|
family = AF_INET;
|
|
break;
|
|
|
|
case '6':
|
|
#ifdef INET6
|
|
family = AF_INET6;
|
|
#else
|
|
warnx("INET6 support is not available; ignoring -6");
|
|
#endif
|
|
break;
|
|
|
|
case 'A':
|
|
activefallback = 0;
|
|
passivemode = 0;
|
|
break;
|
|
|
|
case 'a':
|
|
anonftp = 1;
|
|
break;
|
|
|
|
case 'd':
|
|
options |= SO_DEBUG;
|
|
debug++;
|
|
break;
|
|
|
|
case 'e':
|
|
#ifndef NO_EDITCOMPLETE
|
|
editing = 0;
|
|
#endif
|
|
break;
|
|
|
|
case 'f':
|
|
flushcache = 1;
|
|
break;
|
|
|
|
case 'g':
|
|
doglob = 0;
|
|
break;
|
|
|
|
case 'i':
|
|
interactive = 0;
|
|
break;
|
|
|
|
case 'n':
|
|
autologin = 0;
|
|
break;
|
|
|
|
case 'N':
|
|
if (strlcpy(netrc, optarg, sizeof(netrc))
|
|
>= sizeof(netrc))
|
|
errx(1, "%s: %s", optarg,
|
|
strerror(ENAMETOOLONG));
|
|
break;
|
|
|
|
case 'o':
|
|
outfile = optarg;
|
|
if (strcmp(outfile, "-") == 0)
|
|
ttyout = stderr;
|
|
break;
|
|
|
|
case 'p':
|
|
passivemode = 1;
|
|
activefallback = 0;
|
|
break;
|
|
|
|
case 'P':
|
|
ftpport = optarg;
|
|
break;
|
|
|
|
case 'q':
|
|
quit_time = strtol(optarg, &ep, 10);
|
|
if (quit_time < 1 || *ep != '\0')
|
|
errx(1, "bad quit value: %s", optarg);
|
|
break;
|
|
|
|
case 'r':
|
|
retry_connect = strtol(optarg, &ep, 10);
|
|
if (retry_connect < 1 || *ep != '\0')
|
|
errx(1, "bad retry value: %s", optarg);
|
|
break;
|
|
|
|
case 'R':
|
|
restartautofetch = 1;
|
|
break;
|
|
|
|
case 't':
|
|
trace = 1;
|
|
break;
|
|
|
|
case 'T':
|
|
{
|
|
int targc;
|
|
char *targv[6], *oac;
|
|
|
|
/* look for `dir,max[,incr]' */
|
|
targc = 0;
|
|
targv[targc++] = "-T";
|
|
oac = xstrdup(optarg);
|
|
|
|
while ((cp = strsep(&oac, ",")) != NULL) {
|
|
if (*cp == '\0') {
|
|
warnx("bad throttle value: %s", optarg);
|
|
usage();
|
|
/* NOTREACHED */
|
|
}
|
|
targv[targc++] = cp;
|
|
if (targc >= 5)
|
|
break;
|
|
}
|
|
if (parserate(targc, targv, 1) == -1)
|
|
usage();
|
|
free(oac);
|
|
break;
|
|
}
|
|
|
|
case 'u':
|
|
{
|
|
isupload = 1;
|
|
interactive = 0;
|
|
upload_path = xstrdup(optarg);
|
|
|
|
break;
|
|
}
|
|
|
|
case 'v':
|
|
progress = verbose = 1;
|
|
break;
|
|
|
|
case 'V':
|
|
progress = verbose = 0;
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
/* set line buffering on ttyout */
|
|
setvbuf(ttyout, NULL, _IOLBF, 0);
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
cpend = 0; /* no pending replies */
|
|
proxy = 0; /* proxy not active */
|
|
crflag = 1; /* strip c.r. on ascii gets */
|
|
sendport = -1; /* not using ports */
|
|
|
|
/*
|
|
* Cache the user name and home directory.
|
|
*/
|
|
localhome = NULL;
|
|
localname = NULL;
|
|
anonuser = "anonymous";
|
|
cp = getenv("HOME");
|
|
if (! EMPTYSTRING(cp))
|
|
localhome = xstrdup(cp);
|
|
pw = NULL;
|
|
cp = getlogin();
|
|
if (cp != NULL)
|
|
pw = getpwnam(cp);
|
|
if (pw == NULL)
|
|
pw = getpwuid(getuid());
|
|
if (pw != NULL) {
|
|
if (localhome == NULL && !EMPTYSTRING(pw->pw_dir))
|
|
localhome = xstrdup(pw->pw_dir);
|
|
localname = xstrdup(pw->pw_name);
|
|
anonuser = localname;
|
|
}
|
|
if (netrc[0] == '\0' && localhome != NULL) {
|
|
if (strlcpy(netrc, localhome, sizeof(netrc)) >= sizeof(netrc) ||
|
|
strlcat(netrc, "/.netrc", sizeof(netrc)) >= sizeof(netrc)) {
|
|
warnx("%s/.netrc: %s", localhome,
|
|
strerror(ENAMETOOLONG));
|
|
netrc[0] = '\0';
|
|
}
|
|
}
|
|
if (localhome == NULL)
|
|
localhome = xstrdup("/");
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
len = strlen(anonuser) + 2;
|
|
anonpass = xmalloc(len);
|
|
(void)strlcpy(anonpass, anonuser, len);
|
|
(void)strlcat(anonpass, "@", len);
|
|
|
|
/*
|
|
* set all the defaults for options defined in
|
|
* struct option optiontab[] declared in cmdtab.c
|
|
*/
|
|
setupoption("anonpass", getenv("FTPANONPASS"), anonpass);
|
|
setupoption("ftp_proxy", getenv(FTP_PROXY), "");
|
|
setupoption("http_proxy", getenv(HTTP_PROXY), "");
|
|
setupoption("no_proxy", getenv(NO_PROXY), "");
|
|
setupoption("pager", getenv("PAGER"), DEFAULTPAGER);
|
|
setupoption("prompt", getenv("FTPPROMPT"), DEFAULTPROMPT);
|
|
setupoption("rprompt", getenv("FTPRPROMPT"), DEFAULTRPROMPT);
|
|
|
|
free(anonpass);
|
|
|
|
setttywidth(0);
|
|
#ifdef SIGINFO
|
|
(void)xsignal(SIGINFO, psummary);
|
|
#endif
|
|
(void)xsignal(SIGQUIT, psummary);
|
|
(void)xsignal(SIGUSR1, crankrate);
|
|
(void)xsignal(SIGUSR2, crankrate);
|
|
(void)xsignal(SIGWINCH, setttywidth);
|
|
|
|
#ifdef __GNUC__ /* to shut up gcc warnings */
|
|
(void)&argc;
|
|
(void)&argv;
|
|
#endif
|
|
|
|
if (argc > 0) {
|
|
if (isupload) {
|
|
rval = auto_put(argc, argv, upload_path);
|
|
sigint_or_rval_exit:
|
|
if (sigint_raised) {
|
|
(void)xsignal(SIGINT, SIG_DFL);
|
|
raise(SIGINT);
|
|
}
|
|
exit(rval);
|
|
} else if (strchr(argv[0], ':') != NULL
|
|
&& ! isipv6addr(argv[0])) {
|
|
rval = auto_fetch(argc, argv);
|
|
if (rval >= 0) /* -1 == connected and cd-ed */
|
|
goto sigint_or_rval_exit;
|
|
} else {
|
|
char *xargv[4], *user, *host;
|
|
|
|
if ((rval = sigsetjmp(toplevel, 1)))
|
|
goto sigint_or_rval_exit;
|
|
(void)xsignal(SIGINT, intr);
|
|
(void)xsignal(SIGPIPE, lostpeer);
|
|
user = NULL;
|
|
host = argv[0];
|
|
cp = strchr(host, '@');
|
|
if (cp) {
|
|
*cp = '\0';
|
|
user = host;
|
|
host = cp + 1;
|
|
}
|
|
/* XXX discards const */
|
|
xargv[0] = (char *)getprogname();
|
|
xargv[1] = host;
|
|
xargv[2] = argv[1];
|
|
xargv[3] = NULL;
|
|
do {
|
|
int oautologin;
|
|
|
|
oautologin = autologin;
|
|
if (user != NULL) {
|
|
anonftp = 0;
|
|
autologin = 0;
|
|
}
|
|
setpeer(argc+1, xargv);
|
|
autologin = oautologin;
|
|
if (connected == 1 && user != NULL)
|
|
(void)ftp_login(host, user, NULL);
|
|
if (!retry_connect)
|
|
break;
|
|
if (!connected) {
|
|
macnum = 0;
|
|
fprintf(ttyout,
|
|
"Retrying in %d seconds...\n",
|
|
retry_connect);
|
|
sleep(retry_connect);
|
|
}
|
|
} while (!connected);
|
|
retry_connect = 0; /* connected, stop hiding msgs */
|
|
}
|
|
}
|
|
if (isupload)
|
|
usage();
|
|
|
|
#ifndef NO_EDITCOMPLETE
|
|
controlediting();
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
|
|
(void)sigsetjmp(toplevel, 1);
|
|
(void)xsignal(SIGINT, intr);
|
|
(void)xsignal(SIGPIPE, lostpeer);
|
|
for (;;)
|
|
cmdscanner();
|
|
}
|
|
|
|
/*
|
|
* Generate a prompt
|
|
*/
|
|
char *
|
|
prompt(void)
|
|
{
|
|
static char **prompt;
|
|
static char buf[MAXPATHLEN];
|
|
|
|
if (prompt == NULL) {
|
|
struct option *o;
|
|
|
|
o = getoption("prompt");
|
|
if (o == NULL)
|
|
errx(1, "no such option `prompt'");
|
|
prompt = &(o->value);
|
|
}
|
|
formatbuf(buf, sizeof(buf), *prompt ? *prompt : DEFAULTPROMPT);
|
|
return (buf);
|
|
}
|
|
|
|
/*
|
|
* Generate an rprompt
|
|
*/
|
|
char *
|
|
rprompt(void)
|
|
{
|
|
static char **rprompt;
|
|
static char buf[MAXPATHLEN];
|
|
|
|
if (rprompt == NULL) {
|
|
struct option *o;
|
|
|
|
o = getoption("rprompt");
|
|
if (o == NULL)
|
|
errx(1, "no such option `rprompt'");
|
|
rprompt = &(o->value);
|
|
}
|
|
formatbuf(buf, sizeof(buf), *rprompt ? *rprompt : DEFAULTRPROMPT);
|
|
return (buf);
|
|
}
|
|
|
|
/*
|
|
* Command parser.
|
|
*/
|
|
void
|
|
cmdscanner(void)
|
|
{
|
|
struct cmd *c;
|
|
char *p;
|
|
int num;
|
|
|
|
for (;;) {
|
|
#ifndef NO_EDITCOMPLETE
|
|
if (!editing) {
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
if (fromatty) {
|
|
fputs(prompt(), ttyout);
|
|
p = rprompt();
|
|
if (*p)
|
|
fprintf(ttyout, "%s ", p);
|
|
(void)fflush(ttyout);
|
|
}
|
|
if (fgets(line, sizeof(line), stdin) == NULL) {
|
|
if (fromatty)
|
|
putc('\n', ttyout);
|
|
quit(0, NULL);
|
|
}
|
|
num = strlen(line);
|
|
if (num == 0)
|
|
break;
|
|
if (line[--num] == '\n') {
|
|
if (num == 0)
|
|
break;
|
|
line[num] = '\0';
|
|
} else if (num == sizeof(line) - 2) {
|
|
fputs("sorry, input line too long.\n", ttyout);
|
|
while ((num = getchar()) != '\n' && num != EOF)
|
|
/* void */;
|
|
break;
|
|
} /* else it was a line without a newline */
|
|
#ifndef NO_EDITCOMPLETE
|
|
} else {
|
|
const char *buf;
|
|
HistEvent ev;
|
|
cursor_pos = NULL;
|
|
|
|
if ((buf = el_gets(el, &num)) == NULL || num == 0) {
|
|
if (fromatty)
|
|
putc('\n', ttyout);
|
|
quit(0, NULL);
|
|
}
|
|
if (buf[--num] == '\n') {
|
|
if (num == 0)
|
|
break;
|
|
} else if (num >= sizeof(line)) {
|
|
fputs("sorry, input line too long.\n", ttyout);
|
|
break;
|
|
}
|
|
memcpy(line, buf, num);
|
|
line[num] = '\0';
|
|
history(hist, &ev, H_ENTER, buf);
|
|
}
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
|
|
makeargv();
|
|
if (margc == 0)
|
|
continue;
|
|
c = getcmd(margv[0]);
|
|
if (c == (struct cmd *)-1) {
|
|
fputs("?Ambiguous command.\n", ttyout);
|
|
continue;
|
|
}
|
|
if (c == NULL) {
|
|
#if !defined(NO_EDITCOMPLETE)
|
|
/*
|
|
* attempt to el_parse() unknown commands.
|
|
* any command containing a ':' would be parsed
|
|
* as "[prog:]cmd ...", and will result in a
|
|
* false positive if prog != "ftp", so treat
|
|
* such commands as invalid.
|
|
*/
|
|
if (strchr(margv[0], ':') != NULL ||
|
|
el_parse(el, margc, (const char **)margv) != 0)
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
fputs("?Invalid command.\n", ttyout);
|
|
continue;
|
|
}
|
|
if (c->c_conn && !connected) {
|
|
fputs("Not connected.\n", ttyout);
|
|
continue;
|
|
}
|
|
confirmrest = 0;
|
|
margv[0] = c->c_name;
|
|
(*c->c_handler)(margc, margv);
|
|
if (bell && c->c_bell)
|
|
(void)putc('\007', ttyout);
|
|
if (c->c_handler != help)
|
|
break;
|
|
}
|
|
(void)xsignal(SIGINT, intr);
|
|
(void)xsignal(SIGPIPE, lostpeer);
|
|
}
|
|
|
|
struct cmd *
|
|
getcmd(const char *name)
|
|
{
|
|
const char *p, *q;
|
|
struct cmd *c, *found;
|
|
int nmatches, longest;
|
|
|
|
if (name == NULL)
|
|
return (0);
|
|
|
|
longest = 0;
|
|
nmatches = 0;
|
|
found = 0;
|
|
for (c = cmdtab; (p = c->c_name) != NULL; c++) {
|
|
for (q = name; *q == *p++; q++)
|
|
if (*q == 0) /* exact match? */
|
|
return (c);
|
|
if (!*q) { /* the name was a prefix */
|
|
if (q - name > longest) {
|
|
longest = q - name;
|
|
nmatches = 1;
|
|
found = c;
|
|
} else if (q - name == longest)
|
|
nmatches++;
|
|
}
|
|
}
|
|
if (nmatches > 1)
|
|
return ((struct cmd *)-1);
|
|
return (found);
|
|
}
|
|
|
|
/*
|
|
* Slice a string up into argc/argv.
|
|
*/
|
|
|
|
int slrflag;
|
|
|
|
void
|
|
makeargv(void)
|
|
{
|
|
char *argp;
|
|
|
|
stringbase = line; /* scan from first of buffer */
|
|
argbase = argbuf; /* store from first of buffer */
|
|
slrflag = 0;
|
|
marg_sl->sl_cur = 0; /* reset to start of marg_sl */
|
|
for (margc = 0; ; margc++) {
|
|
argp = slurpstring();
|
|
xsl_add(marg_sl, argp);
|
|
if (argp == NULL)
|
|
break;
|
|
}
|
|
#ifndef NO_EDITCOMPLETE
|
|
if (cursor_pos == line) {
|
|
cursor_argc = 0;
|
|
cursor_argo = 0;
|
|
} else if (cursor_pos != NULL) {
|
|
cursor_argc = margc;
|
|
cursor_argo = strlen(margv[margc-1]);
|
|
}
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
}
|
|
|
|
#ifdef NO_EDITCOMPLETE
|
|
#define INC_CHKCURSOR(x) (x)++
|
|
#else /* !NO_EDITCOMPLETE */
|
|
#define INC_CHKCURSOR(x) { (x)++ ; \
|
|
if (x == cursor_pos) { \
|
|
cursor_argc = margc; \
|
|
cursor_argo = ap-argbase; \
|
|
cursor_pos = NULL; \
|
|
} }
|
|
|
|
#endif /* !NO_EDITCOMPLETE */
|
|
|
|
/*
|
|
* Parse string into argbuf;
|
|
* implemented with FSM to
|
|
* handle quoting and strings
|
|
*/
|
|
char *
|
|
slurpstring(void)
|
|
{
|
|
int got_one = 0;
|
|
char *sb = stringbase;
|
|
char *ap = argbase;
|
|
char *tmp = argbase; /* will return this if token found */
|
|
|
|
if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */
|
|
switch (slrflag) { /* and $ as token for macro invoke */
|
|
case 0:
|
|
slrflag++;
|
|
INC_CHKCURSOR(stringbase);
|
|
return ((*sb == '!') ? "!" : "$");
|
|
/* NOTREACHED */
|
|
case 1:
|
|
slrflag++;
|
|
altarg = stringbase;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
S0:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
case ' ':
|
|
case '\t':
|
|
INC_CHKCURSOR(sb);
|
|
goto S0;
|
|
|
|
default:
|
|
switch (slrflag) {
|
|
case 0:
|
|
slrflag++;
|
|
break;
|
|
case 1:
|
|
slrflag++;
|
|
altarg = sb;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
goto S1;
|
|
}
|
|
|
|
S1:
|
|
switch (*sb) {
|
|
|
|
case ' ':
|
|
case '\t':
|
|
case '\0':
|
|
goto OUT; /* end of token */
|
|
|
|
case '\\':
|
|
INC_CHKCURSOR(sb);
|
|
goto S2; /* slurp next character */
|
|
|
|
case '"':
|
|
INC_CHKCURSOR(sb);
|
|
goto S3; /* slurp quoted string */
|
|
|
|
default:
|
|
*ap = *sb; /* add character to token */
|
|
ap++;
|
|
INC_CHKCURSOR(sb);
|
|
got_one = 1;
|
|
goto S1;
|
|
}
|
|
|
|
S2:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
default:
|
|
*ap = *sb;
|
|
ap++;
|
|
INC_CHKCURSOR(sb);
|
|
got_one = 1;
|
|
goto S1;
|
|
}
|
|
|
|
S3:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
case '"':
|
|
INC_CHKCURSOR(sb);
|
|
goto S1;
|
|
|
|
default:
|
|
*ap = *sb;
|
|
ap++;
|
|
INC_CHKCURSOR(sb);
|
|
got_one = 1;
|
|
goto S3;
|
|
}
|
|
|
|
OUT:
|
|
if (got_one)
|
|
*ap++ = '\0';
|
|
argbase = ap; /* update storage pointer */
|
|
stringbase = sb; /* update scan pointer */
|
|
if (got_one) {
|
|
return (tmp);
|
|
}
|
|
switch (slrflag) {
|
|
case 0:
|
|
slrflag++;
|
|
break;
|
|
case 1:
|
|
slrflag++;
|
|
altarg = NULL;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Help/usage command.
|
|
* Call each command handler with argc == 0 and argv[0] == name.
|
|
*/
|
|
void
|
|
help(int argc, char *argv[])
|
|
{
|
|
struct cmd *c;
|
|
char *nargv[1], *p, *cmd;
|
|
int isusage;
|
|
|
|
cmd = argv[0];
|
|
isusage = (strcmp(cmd, "usage") == 0);
|
|
if (argc == 0 || (isusage && argc == 1)) {
|
|
fprintf(ttyout, "usage: %s [command [...]]\n", cmd);
|
|
return;
|
|
}
|
|
if (argc == 1) {
|
|
StringList *buf;
|
|
|
|
buf = xsl_init();
|
|
fprintf(ttyout,
|
|
"%sommands may be abbreviated. Commands are:\n\n",
|
|
proxy ? "Proxy c" : "C");
|
|
for (c = cmdtab; (p = c->c_name) != NULL; c++)
|
|
if (!proxy || c->c_proxy)
|
|
xsl_add(buf, p);
|
|
list_vertical(buf);
|
|
sl_free(buf, 0);
|
|
return;
|
|
}
|
|
|
|
#define HELPINDENT ((int) sizeof("disconnect"))
|
|
|
|
while (--argc > 0) {
|
|
char *arg;
|
|
|
|
arg = *++argv;
|
|
c = getcmd(arg);
|
|
if (c == (struct cmd *)-1)
|
|
fprintf(ttyout, "?Ambiguous %s command `%s'\n",
|
|
cmd, arg);
|
|
else if (c == NULL)
|
|
fprintf(ttyout, "?Invalid %s command `%s'\n",
|
|
cmd, arg);
|
|
else {
|
|
if (isusage) {
|
|
nargv[0] = c->c_name;
|
|
(*c->c_handler)(0, nargv);
|
|
} else
|
|
fprintf(ttyout, "%-*s\t%s\n", HELPINDENT,
|
|
c->c_name, c->c_help);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct option *
|
|
getoption(const char *name)
|
|
{
|
|
const char *p;
|
|
struct option *c;
|
|
|
|
if (name == NULL)
|
|
return (NULL);
|
|
for (c = optiontab; (p = c->name) != NULL; c++) {
|
|
if (strcasecmp(p, name) == 0)
|
|
return (c);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
char *
|
|
getoptionvalue(const char *name)
|
|
{
|
|
struct option *c;
|
|
|
|
if (name == NULL)
|
|
errx(1, "getoptionvalue() invoked with NULL name");
|
|
c = getoption(name);
|
|
if (c != NULL)
|
|
return (c->value);
|
|
errx(1, "getoptionvalue() invoked with unknown option `%s'", name);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
static void
|
|
setupoption(char *name, char *value, char *defaultvalue)
|
|
{
|
|
char *nargv[3];
|
|
int overbose;
|
|
|
|
nargv[0] = "setupoption()";
|
|
nargv[1] = name;
|
|
nargv[2] = (value ? value : defaultvalue);
|
|
overbose = verbose;
|
|
verbose = 0;
|
|
setoption(3, nargv);
|
|
verbose = overbose;
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
const char *progname = getprogname();
|
|
|
|
(void)fprintf(stderr,
|
|
"usage: %s [-46AadefginpRtvV] [-N netrc] [-o outfile] [-P port] [-q quittime]\n"
|
|
" [-r retry] [-T dir,max[,inc][[user@]host [port]]] [host:path[/]]\n"
|
|
" [file:///file] [ftp://[user[:pass]@]host[:port]/path[/]]\n"
|
|
" [http://[user[:pass]@]host[:port]/path] [...]\n"
|
|
" %s -u URL file [...]\n", progname, progname);
|
|
exit(1);
|
|
}
|