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NetBSD/usr.bin/ftp/cmds.c

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/*
* Copyright (c) 1985, 1989 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.
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)cmds.c 5.26 (Berkeley) 3/5/91";*/
static char rcsid[] = "$Id: cmds.c,v 1.3 1994/03/27 10:05:14 cgd Exp $";
#endif /* not lint */
/*
* FTP User Program -- Command Routines.
*/
#include <sys/param.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <arpa/ftp.h>
#include <signal.h>
#include <stdio.h>
#include <errno.h>
#include <netdb.h>
#include <ctype.h>
#include <time.h>
#include <netinet/in.h>
#include "ftp_var.h"
#include "pathnames.h"
extern char *globerr;
extern char **ftpglob();
extern char *home;
extern char *remglob();
extern char *getenv();
extern char *index();
extern char *rindex();
extern char *strerror();
extern int errno;
extern off_t restart_point;
extern char reply_string[];
char *mname;
jmp_buf jabort;
char *dotrans(), *domap();
/*
* `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.
*/
another(pargc, pargv, prompt)
int *pargc;
char ***pargv;
char *prompt;
{
int len = strlen(line), ret;
extern sig_t intr();
if (len >= sizeof(line) - 3) {
printf("sorry, arguments too long\n");
intr();
}
printf("(%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);
}
/*
* Connect to peer server and
* auto-login, if possible.
*/
setpeer(argc, argv)
int argc;
char *argv[];
{
char *host, *hookup();
short port;
if (connected) {
printf("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) {
printf("usage: %s host-name [port]\n", argv[0]);
code = -1;
return;
}
port = sp->s_port;
if (argc > 2) {
port = atoi(argv[2]);
if (port <= 0) {
printf("%s: bad port number-- %s\n", argv[1], argv[2]);
printf ("usage: %s host-name [port]\n", argv[0]);
code = -1;
return;
}
port = htons(port);
}
host = hookup(argv[1], port);
if (host) {
int overbose;
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) login(argv[1]);
#if defined(unix) && 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;
if (debug == 0)
verbose = -1;
if (command("SYST") == COMPLETE && overbose) {
register char *cp, c;
cp = index(reply_string+4, ' ');
if (cp == NULL)
cp = index(reply_string+4, '\r');
if (cp) {
if (cp[-1] == '.')
cp--;
c = *cp;
*cp = '\0';
}
printf("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)
printf("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))
printf(
"Remember to set tenex mode when transfering binary files from this machine.\n");
}
verbose = overbose;
#endif /* unix */
}
}
struct types {
char *t_name;
char *t_mode;
int t_type;
char *t_arg;
} types[] = {
{ "ascii", "A", TYPE_A, 0 },
{ "binary", "I", TYPE_I, 0 },
{ "image", "I", TYPE_I, 0 },
{ "ebcdic", "E", TYPE_E, 0 },
{ "tenex", "L", TYPE_L, bytename },
0
};
/*
* Set transfer type.
*/
settype(argc, argv)
int argc;
char *argv[];
{
register struct types *p;
int comret;
if (argc > 2) {
char *sep;
printf("usage: %s [", argv[0]);
sep = " ";
for (p = types; p->t_name; p++) {
printf("%s%s", sep, p->t_name);
sep = " | ";
}
printf(" ]\n");
code = -1;
return;
}
if (argc < 2) {
printf("Using %s mode to transfer files.\n", typename);
code = 0;
return;
}
for (p = types; p->t_name; p++)
if (strcmp(argv[1], p->t_name) == 0)
break;
if (p->t_name == 0) {
printf("%s: unknown mode\n", argv[1]);
code = -1;
return;
}
if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
else
comret = command("TYPE %s", p->t_mode);
if (comret == COMPLETE) {
(void) strcpy(typename, p->t_name);
curtype = type = p->t_type;
}
}
/*
* Internal form of settype; changes current type in use with server
* without changing our notion of the type for data transfers.
* Used to change to and from ascii for listings.
*/
changetype(newtype, show)
int newtype, show;
{
register struct types *p;
int comret, oldverbose = verbose;
if (newtype == 0)
newtype = TYPE_I;
if (newtype == curtype)
return;
if (debug == 0 && show == 0)
verbose = 0;
for (p = types; p->t_name; p++)
if (newtype == p->t_type)
break;
if (p->t_name == 0) {
printf("ftp: internal error: unknown type %d\n", newtype);
return;
}
if (newtype == TYPE_L && bytename[0] != '\0')
comret = command("TYPE %s %s", p->t_mode, bytename);
else
comret = command("TYPE %s", p->t_mode);
if (comret == COMPLETE)
curtype = newtype;
verbose = oldverbose;
}
char *stype[] = {
"type",
"",
0
};
/*
* Set binary transfer type.
*/
/*VARARGS*/
setbinary()
{
stype[1] = "binary";
settype(2, stype);
}
/*
* Set ascii transfer type.
*/
/*VARARGS*/
setascii()
{
stype[1] = "ascii";
settype(2, stype);
}
/*
* Set tenex transfer type.
*/
/*VARARGS*/
settenex()
{
stype[1] = "tenex";
settype(2, stype);
}
/*
* Set file transfer mode.
*/
/*ARGSUSED*/
setmode(argc, argv)
int argc;
char *argv[];
{
printf("We only support %s mode, sorry.\n", modename);
code = -1;
}
/*
* Set file transfer format.
*/
/*ARGSUSED*/
setform(argc, argv)
int argc;
char *argv[];
{
printf("We only support %s format, sorry.\n", formname);
code = -1;
}
/*
* Set file transfer structure.
*/
/*ARGSUSED*/
setstruct(argc, argv)
int argc;
char *argv[];
{
printf("We only support %s structure, sorry.\n", structname);
code = -1;
}
/*
* Send a single file.
*/
put(argc, argv)
int argc;
char *argv[];
{
char *cmd;
int loc = 0;
char *oldargv1, *oldargv2;
if (argc == 2) {
argc++;
argv[2] = argv[1];
loc++;
}
if (argc < 2 && !another(&argc, &argv, "local-file"))
goto usage;
if (argc < 3 && !another(&argc, &argv, "remote-file")) {
usage:
printf("usage: %s local-file remote-file\n", argv[0]);
code = -1;
return;
}
oldargv1 = argv[1];
oldargv2 = argv[2];
if (!globulize(&argv[1])) {
code = -1;
return;
}
/*
* If "globulize" modifies argv[1], and argv[2] is a copy of
* the old argv[1], make it a copy of the new argv[1].
*/
if (argv[1] != oldargv1 && argv[2] == oldargv1) {
argv[2] = argv[1];
}
cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR");
if (loc && ntflag) {
argv[2] = dotrans(argv[2]);
}
if (loc && mapflag) {
argv[2] = domap(argv[2]);
}
sendrequest(cmd, argv[1], argv[2],
argv[1] != oldargv1 || argv[2] != oldargv2);
}
/*
* Send multiple files.
*/
mput(argc, argv)
int argc;
char **argv;
{
extern jmp_buf jabort;
register int i;
sig_t oldintr;
int ointer;
char *tp;
void mabort();
if (argc < 2 && !another(&argc, &argv, "local-files")) {
printf("usage: %s local-files\n", argv[0]);
code = -1;
return;
}
mname = argv[0];
mflag = 1;
oldintr = signal(SIGINT, mabort);
(void) setjmp(jabort);
if (proxy) {
char *cp, *tp2, tmpbuf[MAXPATHLEN];
while ((cp = remglob(argv,0)) != NULL) {
if (*cp == 0) {
mflag = 0;
continue;
}
if (mflag && confirm(argv[0], cp)) {
tp = cp;
if (mcase) {
while (*tp && !islower(*tp)) {
tp++;
}
if (!*tp) {
tp = cp;
tp2 = tmpbuf;
while ((*tp2 = *tp) != NULL) {
if (isupper(*tp2)) {
*tp2 = 'a' + *tp2 - 'A';
}
tp++;
tp2++;
}
}
tp = tmpbuf;
}
if (ntflag) {
tp = dotrans(tp);
}
if (mapflag) {
tp = domap(tp);
}
sendrequest((sunique) ? "STOU" : "STOR",
cp, tp, cp != tp || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
}
(void) signal(SIGINT, oldintr);
mflag = 0;
return;
}
for (i = 1; i < argc; i++) {
register char **cpp, **gargs;
if (!doglob) {
if (mflag && confirm(argv[0], argv[i])) {
tp = (ntflag) ? dotrans(argv[i]) : argv[i];
tp = (mapflag) ? domap(tp) : tp;
sendrequest((sunique) ? "STOU" : "STOR",
argv[i], tp, tp != argv[i] || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
continue;
}
gargs = ftpglob(argv[i]);
if (globerr != NULL) {
printf("%s\n", globerr);
if (gargs) {
blkfree(gargs);
free((char *)gargs);
}
continue;
}
for (cpp = gargs; cpp && *cpp != NULL; cpp++) {
if (mflag && confirm(argv[0], *cpp)) {
tp = (ntflag) ? dotrans(*cpp) : *cpp;
tp = (mapflag) ? domap(tp) : tp;
sendrequest((sunique) ? "STOU" : "STOR",
*cpp, tp, *cpp != tp || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
}
if (gargs != NULL) {
blkfree(gargs);
free((char *)gargs);
}
}
(void) signal(SIGINT, oldintr);
mflag = 0;
}
reget(argc, argv)
int argc;
char *argv[];
{
(void) getit(argc, argv, 1, "r+w");
}
get(argc, argv)
int argc;
char *argv[];
{
(void) getit(argc, argv, 0, restart_point ? "r+w" : "w" );
}
/*
* Receive one file.
*/
getit(argc, argv, restartit, mode)
int argc;
char *argv[];
char *mode;
{
int loc = 0;
char *oldargv1, *oldargv2;
if (argc == 2) {
argc++;
argv[2] = argv[1];
loc++;
}
if (argc < 2 && !another(&argc, &argv, "remote-file"))
goto usage;
if (argc < 3 && !another(&argc, &argv, "local-file")) {
usage:
printf("usage: %s remote-file [ local-file ]\n", argv[0]);
code = -1;
return (0);
}
oldargv1 = argv[1];
oldargv2 = argv[2];
if (!globulize(&argv[2])) {
code = -1;
return (0);
}
if (loc && mcase) {
char *tp = argv[1], *tp2, tmpbuf[MAXPATHLEN];
while (*tp && !islower(*tp)) {
tp++;
}
if (!*tp) {
tp = argv[2];
tp2 = tmpbuf;
while ((*tp2 = *tp) != NULL) {
if (isupper(*tp2)) {
*tp2 = 'a' + *tp2 - 'A';
}
tp++;
tp2++;
}
argv[2] = tmpbuf;
}
}
if (loc && ntflag)
argv[2] = dotrans(argv[2]);
if (loc && mapflag)
argv[2] = domap(argv[2]);
if (restartit) {
struct stat stbuf;
int ret;
ret = stat(argv[2], &stbuf);
if (restartit == 1) {
if (ret < 0) {
fprintf(stderr, "local: %s: %s\n", argv[2],
strerror(errno));
return (0);
}
restart_point = stbuf.st_size;
} else {
if (ret == 0) {
int overbose;
overbose = verbose;
if (debug == 0)
verbose = -1;
if (command("MDTM %s", argv[1]) == COMPLETE) {
int yy, mo, day, hour, min, sec;
struct tm *tm;
verbose = overbose;
sscanf(reply_string,
"%*s %04d%02d%02d%02d%02d%02d",
&yy, &mo, &day, &hour, &min, &sec);
tm = gmtime(&stbuf.st_mtime);
tm->tm_mon++;
if (tm->tm_year > yy%100)
return (1);
else if (tm->tm_year == yy%100) {
if (tm->tm_mon > mo)
return (1);
} else if (tm->tm_mon == mo) {
if (tm->tm_mday > day)
return (1);
} else if (tm->tm_mday == day) {
if (tm->tm_hour > hour)
return (1);
} else if (tm->tm_hour == hour) {
if (tm->tm_min > min)
return (1);
} else if (tm->tm_min == min) {
if (tm->tm_sec > sec)
return (1);
}
} else {
printf("%s\n", reply_string);
verbose = overbose;
return (0);
}
}
}
}
recvrequest("RETR", argv[2], argv[1], mode,
argv[1] != oldargv1 || argv[2] != oldargv2);
restart_point = 0;
return (0);
}
void
mabort()
{
int ointer;
extern jmp_buf jabort;
printf("\n");
(void) fflush(stdout);
if (mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with", mname)) {
interactive = ointer;
longjmp(jabort,0);
}
interactive = ointer;
}
mflag = 0;
longjmp(jabort,0);
}
/*
* Get multiple files.
*/
mget(argc, argv)
int argc;
char **argv;
{
extern jmp_buf jabort;
sig_t oldintr;
int ointer;
char *cp, *tp, *tp2, tmpbuf[MAXPATHLEN];
void mabort();
if (argc < 2 && !another(&argc, &argv, "remote-files")) {
printf("usage: %s remote-files\n", argv[0]);
code = -1;
return;
}
mname = argv[0];
mflag = 1;
oldintr = signal(SIGINT,mabort);
(void) setjmp(jabort);
while ((cp = remglob(argv,proxy)) != NULL) {
if (*cp == '\0') {
mflag = 0;
continue;
}
if (mflag && confirm(argv[0], cp)) {
tp = cp;
if (mcase) {
while (*tp && !islower(*tp)) {
tp++;
}
if (!*tp) {
tp = cp;
tp2 = tmpbuf;
while ((*tp2 = *tp) != NULL) {
if (isupper(*tp2)) {
*tp2 = 'a' + *tp2 - 'A';
}
tp++;
tp2++;
}
}
tp = tmpbuf;
}
if (ntflag) {
tp = dotrans(tp);
}
if (mapflag) {
tp = domap(tp);
}
recvrequest("RETR", tp, cp, "w",
tp != cp || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mget")) {
mflag++;
}
interactive = ointer;
}
}
}
(void) signal(SIGINT,oldintr);
mflag = 0;
}
char *
remglob(argv,doswitch)
char *argv[];
int doswitch;
{
char temp[16];
static char buf[MAXPATHLEN];
static FILE *ftemp = NULL;
static char **args;
int oldverbose, oldhash;
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) strcpy(temp, _PATH_TMP);
(void) mktemp(temp);
oldverbose = verbose, verbose = 0;
oldhash = hash, hash = 0;
if (doswitch) {
pswitch(!proxy);
}
for (mode = "w"; *++argv != NULL; mode = "a")
recvrequest ("NLST", temp, *argv, mode, 0);
if (doswitch) {
pswitch(!proxy);
}
verbose = oldverbose; hash = oldhash;
ftemp = fopen(temp, "r");
(void) unlink(temp);
if (ftemp == NULL) {
printf("can't find list of remote files, oops\n");
return (NULL);
}
}
if (fgets(buf, sizeof (buf), ftemp) == NULL) {
(void) fclose(ftemp), ftemp = NULL;
return (NULL);
}
if ((cp = index(buf, '\n')) != NULL)
*cp = '\0';
return (buf);
}
char *
onoff(bool)
int bool;
{
return (bool ? "on" : "off");
}
/*
* Show status.
*/
/*ARGSUSED*/
status(argc, argv)
int argc;
char *argv[];
{
int i;
if (connected)
printf("Connected to %s.\n", hostname);
else
printf("Not connected.\n");
if (!proxy) {
pswitch(1);
if (connected) {
printf("Connected for proxy commands to %s.\n", hostname);
}
else {
printf("No proxy connection.\n");
}
pswitch(0);
}
printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
modename, typename, formname, structname);
printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
onoff(verbose), onoff(bell), onoff(interactive),
onoff(doglob));
printf("Store unique: %s; Receive unique: %s\n", onoff(sunique),
onoff(runique));
printf("Case: %s; CR stripping: %s\n",onoff(mcase),onoff(crflag));
if (ntflag) {
printf("Ntrans: (in) %s (out) %s\n", ntin,ntout);
}
else {
printf("Ntrans: off\n");
}
if (mapflag) {
printf("Nmap: (in) %s (out) %s\n", mapin, mapout);
}
else {
printf("Nmap: off\n");
}
printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
onoff(hash), onoff(sendport));
if (macnum > 0) {
printf("Macros:\n");
for (i=0; i<macnum; i++) {
printf("\t%s\n",macros[i].mac_name);
}
}
code = 0;
}
/*
* Set beep on cmd completed mode.
*/
/*VARARGS*/
setbell()
{
bell = !bell;
printf("Bell mode %s.\n", onoff(bell));
code = bell;
}
/*
* Turn on packet tracing.
*/
/*VARARGS*/
settrace()
{
trace = !trace;
printf("Packet tracing %s.\n", onoff(trace));
code = trace;
}
/*
* Toggle hash mark printing during transfers.
*/
/*VARARGS*/
sethash()
{
hash = !hash;
printf("Hash mark printing %s", onoff(hash));
code = hash;
if (hash)
printf(" (%d bytes/hash mark)", 1024);
printf(".\n");
}
/*
* Turn on printing of server echo's.
*/
/*VARARGS*/
setverbose()
{
verbose = !verbose;
printf("Verbose mode %s.\n", onoff(verbose));
code = verbose;
}
/*
* Toggle PORT cmd use before each data connection.
*/
/*VARARGS*/
setport()
{
sendport = !sendport;
printf("Use of PORT cmds %s.\n", onoff(sendport));
code = sendport;
}
/*
* Turn on interactive prompting
* during mget, mput, and mdelete.
*/
/*VARARGS*/
setprompt()
{
interactive = !interactive;
printf("Interactive mode %s.\n", onoff(interactive));
code = interactive;
}
/*
* Toggle metacharacter interpretation
* on local file names.
*/
/*VARARGS*/
setglob()
{
doglob = !doglob;
printf("Globbing %s.\n", onoff(doglob));
code = doglob;
}
/*
* Set debugging mode on/off and/or
* set level of debugging.
*/
/*VARARGS*/
setdebug(argc, argv)
int argc;
char *argv[];
{
int val;
if (argc > 1) {
val = atoi(argv[1]);
if (val < 0) {
printf("%s: bad debugging value.\n", argv[1]);
code = -1;
return;
}
} else
val = !debug;
debug = val;
if (debug)
options |= SO_DEBUG;
else
options &= ~SO_DEBUG;
printf("Debugging %s (debug=%d).\n", onoff(debug), debug);
code = debug > 0;
}
/*
* Set current working directory
* on remote machine.
*/
cd(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "remote-directory")) {
printf("usage: %s remote-directory\n", argv[0]);
code = -1;
return;
}
if (command("CWD %s", argv[1]) == ERROR && code == 500) {
if (verbose)
printf("CWD command not recognized, trying XCWD\n");
(void) command("XCWD %s", argv[1]);
}
}
/*
* Set current working directory
* on local machine.
*/
lcd(argc, argv)
int argc;
char *argv[];
{
char buf[MAXPATHLEN];
extern char *getwd();
if (argc < 2)
argc++, argv[1] = home;
if (argc != 2) {
printf("usage: %s local-directory\n", argv[0]);
code = -1;
return;
}
if (!globulize(&argv[1])) {
code = -1;
return;
}
if (chdir(argv[1]) < 0) {
fprintf(stderr, "local: %s: %s\n", argv[1], strerror(errno));
code = -1;
return;
}
printf("Local directory now %s\n", getwd(buf));
code = 0;
}
/*
* Delete a single file.
*/
delete(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "remote-file")) {
printf("usage: %s remote-file\n", argv[0]);
code = -1;
return;
}
(void) command("DELE %s", argv[1]);
}
/*
* Delete multiple files.
*/
mdelete(argc, argv)
int argc;
char **argv;
{
extern jmp_buf jabort;
sig_t oldintr;
int ointer;
char *cp;
void mabort();
if (argc < 2 && !another(&argc, &argv, "remote-files")) {
printf("usage: %s remote-files\n", argv[0]);
code = -1;
return;
}
mname = argv[0];
mflag = 1;
oldintr = signal(SIGINT, mabort);
(void) setjmp(jabort);
while ((cp = remglob(argv,0)) != NULL) {
if (*cp == '\0') {
mflag = 0;
continue;
}
if (mflag && confirm(argv[0], cp)) {
(void) command("DELE %s", cp);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with", "mdelete")) {
mflag++;
}
interactive = ointer;
}
}
}
(void) signal(SIGINT, oldintr);
mflag = 0;
}
/*
* Rename a remote file.
*/
renamefile(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "from-name"))
goto usage;
if (argc < 3 && !another(&argc, &argv, "to-name")) {
usage:
printf("%s from-name to-name\n", argv[0]);
code = -1;
return;
}
if (command("RNFR %s", argv[1]) == CONTINUE)
(void) command("RNTO %s", argv[2]);
}
/*
* Get a directory listing
* of remote files.
*/
ls(argc, argv)
int argc;
char *argv[];
{
char *cmd;
if (argc < 2)
argc++, argv[1] = NULL;
if (argc < 3)
argc++, argv[2] = "-";
if (argc > 3) {
printf("usage: %s remote-directory local-file\n", argv[0]);
code = -1;
return;
}
cmd = argv[0][0] == 'n' ? "NLST" : "LIST";
if (strcmp(argv[2], "-") && !globulize(&argv[2])) {
code = -1;
return;
}
if (strcmp(argv[2], "-") && *argv[2] != '|')
if (!globulize(&argv[2]) || !confirm("output to local-file:", argv[2])) {
code = -1;
return;
}
recvrequest(cmd, argv[2], argv[1], "w", 0);
}
/*
* Get a directory listing
* of multiple remote files.
*/
mls(argc, argv)
int argc;
char **argv;
{
extern jmp_buf jabort;
sig_t oldintr;
int ointer, i;
char *cmd, mode[1], *dest;
void mabort();
if (argc < 2 && !another(&argc, &argv, "remote-files"))
goto usage;
if (argc < 3 && !another(&argc, &argv, "local-file")) {
usage:
printf("usage: %s remote-files local-file\n", argv[0]);
code = -1;
return;
}
dest = argv[argc - 1];
argv[argc - 1] = NULL;
if (strcmp(dest, "-") && *dest != '|')
if (!globulize(&dest) ||
!confirm("output to local-file:", dest)) {
code = -1;
return;
}
cmd = argv[0][1] == 'l' ? "NLST" : "LIST";
mname = argv[0];
mflag = 1;
oldintr = signal(SIGINT, mabort);
(void) setjmp(jabort);
for (i = 1; mflag && i < argc-1; ++i) {
*mode = (i == 1) ? 'w' : 'a';
recvrequest(cmd, dest, argv[i], mode, 0);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with", argv[0])) {
mflag ++;
}
interactive = ointer;
}
}
(void) signal(SIGINT, oldintr);
mflag = 0;
}
/*
* Do a shell escape
*/
/*ARGSUSED*/
shell(argc, argv)
int argc;
char **argv;
{
int pid;
sig_t old1, old2;
char shellnam[40], *shell, *namep;
union wait status;
old1 = signal (SIGINT, SIG_IGN);
old2 = signal (SIGQUIT, SIG_IGN);
if ((pid = fork()) == 0) {
for (pid = 3; pid < 20; pid++)
(void) close(pid);
(void) signal(SIGINT, SIG_DFL);
(void) signal(SIGQUIT, SIG_DFL);
shell = getenv("SHELL");
if (shell == NULL)
shell = _PATH_BSHELL;
namep = rindex(shell,'/');
if (namep == NULL)
namep = shell;
(void) strcpy(shellnam,"-");
(void) strcat(shellnam, ++namep);
if (strcmp(namep, "sh") != 0)
shellnam[0] = '+';
if (debug) {
printf ("%s\n", shell);
(void) fflush (stdout);
}
if (argc > 1) {
execl(shell,shellnam,"-c",altarg,(char *)0);
}
else {
execl(shell,shellnam,(char *)0);
}
perror(shell);
code = -1;
exit(1);
}
if (pid > 0)
while (wait((int *)&status) != pid)
;
(void) signal(SIGINT, old1);
(void) signal(SIGQUIT, old2);
if (pid == -1) {
perror("Try again later");
code = -1;
}
else {
code = 0;
}
return (0);
}
/*
* Send new user information (re-login)
*/
user(argc, argv)
int argc;
char **argv;
{
char acct[80], *getpass();
int n, aflag = 0;
if (argc < 2)
(void) another(&argc, &argv, "username");
if (argc < 2 || argc > 4) {
printf("usage: %s username [password] [account]\n", argv[0]);
code = -1;
return (0);
}
n = command("USER %s", argv[1]);
if (n == CONTINUE) {
if (argc < 3 )
argv[2] = getpass("Password: "), argc++;
n = command("PASS %s", argv[2]);
}
if (n == CONTINUE) {
if (argc < 4) {
printf("Account: "); (void) fflush(stdout);
(void) fgets(acct, sizeof(acct) - 1, stdin);
acct[strlen(acct) - 1] = '\0';
argv[3] = acct; argc++;
}
n = command("ACCT %s", argv[3]);
aflag++;
}
if (n != COMPLETE) {
fprintf(stdout, "Login failed.\n");
return (0);
}
if (!aflag && argc == 4) {
(void) command("ACCT %s", argv[3]);
}
return (1);
}
/*
* Print working directory.
*/
/*VARARGS*/
pwd()
{
int oldverbose = verbose;
/*
* If we aren't verbose, this doesn't do anything!
*/
verbose = 1;
if (command("PWD") == ERROR && code == 500) {
printf("PWD command not recognized, trying XPWD\n");
(void) command("XPWD");
}
verbose = oldverbose;
}
/*
* Make a directory.
*/
makedir(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "directory-name")) {
printf("usage: %s directory-name\n", argv[0]);
code = -1;
return;
}
if (command("MKD %s", argv[1]) == ERROR && code == 500) {
if (verbose)
printf("MKD command not recognized, trying XMKD\n");
(void) command("XMKD %s", argv[1]);
}
}
/*
* Remove a directory.
*/
removedir(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "directory-name")) {
printf("usage: %s directory-name\n", argv[0]);
code = -1;
return;
}
if (command("RMD %s", argv[1]) == ERROR && code == 500) {
if (verbose)
printf("RMD command not recognized, trying XRMD\n");
(void) command("XRMD %s", argv[1]);
}
}
/*
* Send a line, verbatim, to the remote machine.
*/
quote(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "command line to send")) {
printf("usage: %s line-to-send\n", argv[0]);
code = -1;
return;
}
quote1("", argc, argv);
}
/*
* Send a SITE command to the remote machine. The line
* is sent verbatim to the remote machine, except that the
* word "SITE" is added at the front.
*/
site(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "arguments to SITE command")) {
printf("usage: %s line-to-send\n", argv[0]);
code = -1;
return;
}
quote1("SITE ", argc, argv);
}
/*
* Turn argv[1..argc) into a space-separated string, then prepend initial text.
* Send the result as a one-line command and get response.
*/
quote1(initial, argc, argv)
char *initial;
int argc;
char **argv;
{
register int i, len;
char buf[BUFSIZ]; /* must be >= sizeof(line) */
(void) strcpy(buf, initial);
if (argc > 1) {
len = strlen(buf);
len += strlen(strcpy(&buf[len], argv[1]));
for (i = 2; i < argc; i++) {
buf[len++] = ' ';
len += strlen(strcpy(&buf[len], argv[i]));
}
}
if (command(buf) == PRELIM) {
while (getreply(0) == PRELIM);
}
}
do_chmod(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "mode"))
goto usage;
if (argc < 3 && !another(&argc, &argv, "file-name")) {
usage:
printf("usage: %s mode file-name\n", argv[0]);
code = -1;
return;
}
(void) command("SITE CHMOD %s %s", argv[1], argv[2]);
}
do_umask(argc, argv)
int argc;
char *argv[];
{
int oldverbose = verbose;
verbose = 1;
(void) command(argc == 1 ? "SITE UMASK" : "SITE UMASK %s", argv[1]);
verbose = oldverbose;
}
idle(argc, argv)
int argc;
char *argv[];
{
int oldverbose = verbose;
verbose = 1;
(void) command(argc == 1 ? "SITE IDLE" : "SITE IDLE %s", argv[1]);
verbose = oldverbose;
}
/*
* Ask the other side for help.
*/
rmthelp(argc, argv)
int argc;
char *argv[];
{
int oldverbose = verbose;
verbose = 1;
(void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
verbose = oldverbose;
}
/*
* Terminate session and exit.
*/
/*VARARGS*/
quit()
{
if (connected)
disconnect();
pswitch(1);
if (connected) {
disconnect();
}
exit(0);
}
/*
* Terminate session, but don't exit.
*/
disconnect()
{
extern FILE *cout;
extern int data;
if (!connected)
return;
(void) command("QUIT");
if (cout) {
(void) fclose(cout);
}
cout = NULL;
connected = 0;
data = -1;
if (!proxy) {
macnum = 0;
}
}
confirm(cmd, file)
char *cmd, *file;
{
char line[BUFSIZ];
if (!interactive)
return (1);
printf("%s %s? ", cmd, file);
(void) fflush(stdout);
if (fgets(line, sizeof line, stdin) == NULL)
return (0);
return (*line != 'n' && *line != 'N');
}
fatal(msg)
char *msg;
{
fprintf(stderr, "ftp: %s\n", msg);
exit(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.
*/
globulize(cpp)
char **cpp;
{
char **globbed;
if (!doglob)
return (1);
globbed = ftpglob(*cpp);
if (globerr != NULL) {
printf("%s: %s\n", *cpp, globerr);
if (globbed) {
blkfree(globbed);
free((char *)globbed);
}
return (0);
}
if (globbed) {
*cpp = *globbed++;
/* don't waste too much memory */
if (*globbed) {
blkfree(globbed);
free((char *)globbed);
}
}
return (1);
}
account(argc,argv)
int argc;
char **argv;
{
char acct[50], *getpass(), *ap;
if (argc > 1) {
++argv;
--argc;
(void) strncpy(acct,*argv,49);
acct[49] = '\0';
while (argc > 1) {
--argc;
++argv;
(void) strncat(acct,*argv, 49-strlen(acct));
}
ap = acct;
}
else {
ap = getpass("Account:");
}
(void) command("ACCT %s", ap);
}
jmp_buf abortprox;
void
proxabort()
{
extern int proxy;
if (!proxy) {
pswitch(1);
}
if (connected) {
proxflag = 1;
}
else {
proxflag = 0;
}
pswitch(0);
longjmp(abortprox,1);
}
doproxy(argc,argv)
int argc;
char *argv[];
{
extern struct cmd cmdtab[];
extern jmp_buf abortprox;
register struct cmd *c;
struct cmd *getcmd();
sig_t oldintr;
void proxabort();
if (argc < 2 && !another(&argc, &argv, "command")) {
printf("usage: %s command\n", argv[0]);
code = -1;
return;
}
c = getcmd(argv[1]);
if (c == (struct cmd *) -1) {
printf("?Ambiguous command\n");
(void) fflush(stdout);
code = -1;
return;
}
if (c == 0) {
printf("?Invalid command\n");
(void) fflush(stdout);
code = -1;
return;
}
if (!c->c_proxy) {
printf("?Invalid proxy command\n");
(void) fflush(stdout);
code = -1;
return;
}
if (setjmp(abortprox)) {
code = -1;
return;
}
oldintr = signal(SIGINT, proxabort);
pswitch(1);
if (c->c_conn && !connected) {
printf("Not connected\n");
(void) fflush(stdout);
pswitch(0);
(void) signal(SIGINT, oldintr);
code = -1;
return;
}
(*c->c_handler)(argc-1, argv+1);
if (connected) {
proxflag = 1;
}
else {
proxflag = 0;
}
pswitch(0);
(void) signal(SIGINT, oldintr);
}
setcase()
{
mcase = !mcase;
printf("Case mapping %s.\n", onoff(mcase));
code = mcase;
}
setcr()
{
crflag = !crflag;
printf("Carriage Return stripping %s.\n", onoff(crflag));
code = crflag;
}
setntrans(argc,argv)
int argc;
char *argv[];
{
if (argc == 1) {
ntflag = 0;
printf("Ntrans off.\n");
code = ntflag;
return;
}
ntflag++;
code = ntflag;
(void) strncpy(ntin, argv[1], 16);
ntin[16] = '\0';
if (argc == 2) {
ntout[0] = '\0';
return;
}
(void) strncpy(ntout, argv[2], 16);
ntout[16] = '\0';
}
char *
dotrans(name)
char *name;
{
static char new[MAXPATHLEN];
char *cp1, *cp2 = new;
register int i, ostop, found;
for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++);
for (cp1 = name; *cp1; cp1++) {
found = 0;
for (i = 0; *(ntin + i) && i < 16; i++) {
if (*cp1 == *(ntin + i)) {
found++;
if (i < ostop) {
*cp2++ = *(ntout + i);
}
break;
}
}
if (!found) {
*cp2++ = *cp1;
}
}
*cp2 = '\0';
return(new);
}
setnmap(argc, argv)
int argc;
char *argv[];
{
char *cp;
if (argc == 1) {
mapflag = 0;
printf("Nmap off.\n");
code = mapflag;
return;
}
if (argc < 3 && !another(&argc, &argv, "mapout")) {
printf("Usage: %s [mapin mapout]\n",argv[0]);
code = -1;
return;
}
mapflag = 1;
code = 1;
cp = index(altarg, ' ');
if (proxy) {
while(*++cp == ' ');
altarg = cp;
cp = index(altarg, ' ');
}
*cp = '\0';
(void) strncpy(mapin, altarg, MAXPATHLEN - 1);
while (*++cp == ' ');
(void) strncpy(mapout, cp, MAXPATHLEN - 1);
}
char *
domap(name)
char *name;
{
static char new[MAXPATHLEN];
register char *cp1 = name, *cp2 = mapin;
char *tp[9], *te[9];
int i, toks[9], toknum = 0, match = 1;
for (i=0; i < 9; ++i) {
toks[i] = 0;
}
while (match && *cp1 && *cp2) {
switch (*cp2) {
case '\\':
if (*++cp2 != *cp1) {
match = 0;
}
break;
case '$':
if (*(cp2+1) >= '1' && (*cp2+1) <= '9') {
if (*cp1 != *(++cp2+1)) {
toks[toknum = *cp2 - '1']++;
tp[toknum] = cp1;
while (*++cp1 && *(cp2+1)
!= *cp1);
te[toknum] = cp1;
}
cp2++;
break;
}
/* FALLTHROUGH */
default:
if (*cp2 != *cp1) {
match = 0;
}
break;
}
if (match && *cp1) {
cp1++;
}
if (match && *cp2) {
cp2++;
}
}
if (!match && *cp1) /* last token mismatch */
{
toks[toknum] = 0;
}
cp1 = new;
*cp1 = '\0';
cp2 = mapout;
while (*cp2) {
match = 0;
switch (*cp2) {
case '\\':
if (*(cp2 + 1)) {
*cp1++ = *++cp2;
}
break;
case '[':
LOOP:
if (*++cp2 == '$' && isdigit(*(cp2+1))) {
if (*++cp2 == '0') {
char *cp3 = name;
while (*cp3) {
*cp1++ = *cp3++;
}
match = 1;
}
else if (toks[toknum = *cp2 - '1']) {
char *cp3 = tp[toknum];
while (cp3 != te[toknum]) {
*cp1++ = *cp3++;
}
match = 1;
}
}
else {
while (*cp2 && *cp2 != ',' &&
*cp2 != ']') {
if (*cp2 == '\\') {
cp2++;
}
else if (*cp2 == '$' &&
isdigit(*(cp2+1))) {
if (*++cp2 == '0') {
char *cp3 = name;
while (*cp3) {
*cp1++ = *cp3++;
}
}
else if (toks[toknum =
*cp2 - '1']) {
char *cp3=tp[toknum];
while (cp3 !=
te[toknum]) {
*cp1++ = *cp3++;
}
}
}
else if (*cp2) {
*cp1++ = *cp2++;
}
}
if (!*cp2) {
printf("nmap: unbalanced brackets\n");
return(name);
}
match = 1;
cp2--;
}
if (match) {
while (*++cp2 && *cp2 != ']') {
if (*cp2 == '\\' && *(cp2 + 1)) {
cp2++;
}
}
if (!*cp2) {
printf("nmap: unbalanced brackets\n");
return(name);
}
break;
}
switch (*++cp2) {
case ',':
goto LOOP;
case ']':
break;
default:
cp2--;
goto LOOP;
}
break;
case '$':
if (isdigit(*(cp2 + 1))) {
if (*++cp2 == '0') {
char *cp3 = name;
while (*cp3) {
*cp1++ = *cp3++;
}
}
else if (toks[toknum = *cp2 - '1']) {
char *cp3 = tp[toknum];
while (cp3 != te[toknum]) {
*cp1++ = *cp3++;
}
}
break;
}
/* intentional drop through */
default:
*cp1++ = *cp2;
break;
}
cp2++;
}
*cp1 = '\0';
if (!*new) {
return(name);
}
return(new);
}
setsunique()
{
sunique = !sunique;
printf("Store unique %s.\n", onoff(sunique));
code = sunique;
}
setrunique()
{
runique = !runique;
printf("Receive unique %s.\n", onoff(runique));
code = runique;
}
/* change directory to perent directory */
cdup()
{
if (command("CDUP") == ERROR && code == 500) {
if (verbose)
printf("CDUP command not recognized, trying XCUP\n");
(void) command("XCUP");
}
}
/* restart transfer at specific point */
restart(argc, argv)
int argc;
char *argv[];
{
extern long atol();
if (argc != 2)
printf("restart: offset not specified\n");
else {
restart_point = atol(argv[1]);
printf("restarting at %qd. %s\n", restart_point,
"execute get, put or append to initiate transfer");
}
}
/* show remote system type */
syst()
{
(void) command("SYST");
}
macdef(argc, argv)
int argc;
char *argv[];
{
char *tmp;
int c;
if (macnum == 16) {
printf("Limit of 16 macros have already been defined\n");
code = -1;
return;
}
if (argc < 2 && !another(&argc, &argv, "macro name")) {
printf("Usage: %s macro_name\n",argv[0]);
code = -1;
return;
}
if (interactive) {
printf("Enter macro line by line, terminating it with a null line\n");
}
(void) strncpy(macros[macnum].mac_name, argv[1], 8);
if (macnum == 0) {
macros[macnum].mac_start = macbuf;
}
else {
macros[macnum].mac_start = macros[macnum - 1].mac_end + 1;
}
tmp = macros[macnum].mac_start;
while (tmp != macbuf+4096) {
if ((c = getchar()) == EOF) {
printf("macdef:end of file encountered\n");
code = -1;
return;
}
if ((*tmp = c) == '\n') {
if (tmp == macros[macnum].mac_start) {
macros[macnum++].mac_end = tmp;
code = 0;
return;
}
if (*(tmp-1) == '\0') {
macros[macnum++].mac_end = tmp - 1;
code = 0;
return;
}
*tmp = '\0';
}
tmp++;
}
while (1) {
while ((c = getchar()) != '\n' && c != EOF)
/* LOOP */;
if (c == EOF || getchar() == '\n') {
printf("Macro not defined - 4k buffer exceeded\n");
code = -1;
return;
}
}
}
/*
* get size of file on remote machine
*/
sizecmd(argc, argv)
int argc;
char *argv[];
{
if (argc < 2 && !another(&argc, &argv, "filename")) {
printf("usage: %s filename\n", argv[0]);
code = -1;
return;
}
(void) command("SIZE %s", argv[1]);
}
/*
* get last modification time of file on remote machine
*/
modtime(argc, argv)
int argc;
char *argv[];
{
int overbose;
if (argc < 2 && !another(&argc, &argv, "filename")) {
printf("usage: %s filename\n", argv[0]);
code = -1;
return;
}
overbose = verbose;
if (debug == 0)
verbose = -1;
if (command("MDTM %s", argv[1]) == COMPLETE) {
int yy, mo, day, hour, min, sec;
sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
&day, &hour, &min, &sec);
/* might want to print this in local time */
printf("%s\t%02d/%02d/%04d %02d:%02d:%02d GMT\n", argv[1],
mo, day, yy, hour, min, sec);
} else
printf("%s\n", reply_string);
verbose = overbose;
}
/*
* show status on reomte machine
*/
rmtstatus(argc, argv)
int argc;
char *argv[];
{
(void) command(argc > 1 ? "STAT %s" : "STAT" , argv[1]);
}
/*
* get file if modtime is more recent than current file
*/
newer(argc, argv)
int argc;
char *argv[];
{
if (getit(argc, argv, -1, "w"))
printf("Local file \"%s\" is newer than remote file \"%s\"\n",
argv[1], argv[2]);
}
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