| Current Path : /usr/src/crypto/heimdal/appl/ftp/ftp/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/crypto/heimdal/appl/ftp/ftp/cmds.c |
/*
* 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.
*/
/*
* FTP User Program -- Command Routines.
*/
#include "ftp_locl.h"
RCSID("$Id: cmds.c 15673 2005-07-19 18:19:33Z lha $");
typedef void (*sighand)(int);
jmp_buf jabort;
char *mname;
char *home = "/";
/*
* `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(int *pargc, char ***pargv, char *prompt)
{
int len = strlen(line), ret;
if (len >= sizeof(line) - 3) {
printf("sorry, arguments too long\n");
intr(0);
}
printf("(%s) ", prompt);
line[len++] = ' ';
if (fgets(&line[len], sizeof(line) - len, stdin) == NULL)
intr(0);
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.
*/
void
setpeer(int argc, char **argv)
{
char *host;
u_short port;
struct servent *sp;
if (connected) {
printf("Already connected to %s, use close first.\n",
hostname);
code = -1;
return;
}
if (argc < 2)
another(&argc, &argv, "to");
if (argc < 2 || argc > 3) {
printf("usage: %s host-name [port]\n", argv[0]);
code = -1;
return;
}
sp = getservbyname("ftp", "tcp");
if (sp == NULL)
errx(1, "You bastard. You removed ftp/tcp from services");
port = sp->s_port;
if (argc > 2) {
sp = getservbyname(argv[2], "tcp");
if (sp != NULL) {
port = sp->s_port;
} else {
char *ep;
port = strtol(argv[2], &ep, 0);
if (argv[2] == ep) {
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.
*/
strlcpy(typename, "ascii", sizeof(typename));
type = TYPE_A;
curtype = TYPE_A;
strlcpy(formname, "non-print", sizeof(formname));
form = FORM_N;
strlcpy(modename, "stream", sizeof(modename));
mode = MODE_S;
strlcpy(structname, "file", sizeof(structname));
stru = STRU_F;
strlcpy(bytename, "8", sizeof(bytename));
bytesize = 8;
if (autologin)
login(argv[1]);
#if (defined(unix) || defined(__unix__) || defined(__unix) || defined(_AIX) || defined(_CRAY) || defined(__NetBSD__) || defined(__APPLE__)) && 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 && strlen(reply_string) > 4) {
char *cp, *p;
cp = strdup(reply_string + 4);
if (cp == NULL)
errx(1, "strdup: out of memory");
p = strchr(cp, ' ');
if (p == NULL)
p = strchr(cp, '\r');
if (p) {
if (p[-1] == '.')
p--;
*p = '\0';
}
printf("Remote system type is %s.\n", cp);
free(cp);
}
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;
strlcpy(typename, "binary", sizeof(typename));
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 },
{ NULL }
};
/*
* Set transfer type.
*/
void
settype(int argc, char **argv)
{
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) {
strlcpy(typename, p->t_name, sizeof(typename));
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.
*/
void
changetype(int newtype, int show)
{
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*/
void
setbinary(int argc, char **argv)
{
stype[1] = "binary";
settype(2, stype);
}
/*
* Set ascii transfer type.
*/
/*VARARGS*/
void
setascii(int argc, char **argv)
{
stype[1] = "ascii";
settype(2, stype);
}
/*
* Set tenex transfer type.
*/
/*VARARGS*/
void
settenex(int argc, char **argv)
{
stype[1] = "tenex";
settype(2, stype);
}
/*
* Set file transfer mode.
*/
/*ARGSUSED*/
void
setftmode(int argc, char **argv)
{
printf("We only support %s mode, sorry.\n", modename);
code = -1;
}
/*
* Set file transfer format.
*/
/*ARGSUSED*/
void
setform(int argc, char **argv)
{
printf("We only support %s format, sorry.\n", formname);
code = -1;
}
/*
* Set file transfer structure.
*/
/*ARGSUSED*/
void
setstruct(int argc, char **argv)
{
printf("We only support %s structure, sorry.\n", structname);
code = -1;
}
/*
* Send a single file.
*/
void
put(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],
curtype == TYPE_I ? "rb" : "r",
argv[1] != oldargv1 || argv[2] != oldargv2);
}
/* ARGSUSED */
static RETSIGTYPE
mabort(int signo)
{
int ointer;
printf("\n");
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);
}
/*
* Send multiple files.
*/
void
mput(int argc, char **argv)
{
int i;
RETSIGTYPE (*oldintr)(int);
int ointer;
char *tp;
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);
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((unsigned char)*tp)) {
tp++;
}
if (!*tp) {
tp = cp;
tp2 = tmpbuf;
while ((*tp2 = *tp) != '\0') {
if (isupper((unsigned char)*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,
curtype == TYPE_I ? "rb" : "r",
cp != tp || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
}
signal(SIGINT, oldintr);
mflag = 0;
return;
}
for (i = 1; i < argc; i++) {
char **cpp;
glob_t gl;
int flags;
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],
curtype == TYPE_I ? "rb" : "r",
tp, tp != argv[i] || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
continue;
}
memset(&gl, 0, sizeof(gl));
flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
if (glob(argv[i], flags, NULL, &gl) || gl.gl_pathc == 0) {
warnx("%s: not found", argv[i]);
globfree(&gl);
continue;
}
for (cpp = gl.gl_pathv; 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,
curtype == TYPE_I ? "rb" : "r",
*cpp != tp || !interactive);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mput")) {
mflag++;
}
interactive = ointer;
}
}
}
globfree(&gl);
}
signal(SIGINT, oldintr);
mflag = 0;
}
void
reget(int argc, char **argv)
{
getit(argc, argv, 1, curtype == TYPE_I ? "r+wb" : "r+w");
}
void
get(int argc, char **argv)
{
char *filemode;
if (restart_point) {
if (curtype == TYPE_I)
filemode = "r+wb";
else
filemode = "r+w";
} else {
if (curtype == TYPE_I)
filemode = "wb";
else
filemode = "w";
}
getit(argc, argv, 0, filemode);
}
/*
* Receive one file.
*/
int
getit(int argc, char **argv, int restartit, char *filemode)
{
int loc = 0;
int local_given = 1;
char *oldargv1, *oldargv2;
if (argc == 2) {
argc++;
local_given = 0;
argv[2] = argv[1];
loc++;
}
if ((argc < 2 && !another(&argc, &argv, "remote-file")) ||
(argc < 3 && !another(&argc, &argv, "local-file"))) {
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((unsigned char)*tp)) {
tp++;
}
if (!*tp) {
tp = argv[2];
tp2 = tmpbuf;
while ((*tp2 = *tp) != '\0') {
if (isupper((unsigned char)*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) {
warn("local: %s", argv[2]);
return (0);
}
restart_point = stbuf.st_size;
} else if (ret == 0) {
int overbose;
int cmdret;
int yy, mo, day, hour, min, sec;
struct tm *tm;
time_t mtime = stbuf.st_mtime;
overbose = verbose;
if (debug == 0)
verbose = -1;
cmdret = command("MDTM %s", argv[1]);
verbose = overbose;
if (cmdret != COMPLETE) {
printf("%s\n", reply_string);
return (0);
}
if (sscanf(reply_string,
"%*s %04d%02d%02d%02d%02d%02d",
&yy, &mo, &day, &hour, &min, &sec)
!= 6) {
printf ("bad MDTM result\n");
return (0);
}
tm = gmtime(&mtime);
tm->tm_mon++;
tm->tm_year += 1900;
if ((tm->tm_year > yy) ||
(tm->tm_year == yy &&
tm->tm_mon > mo) ||
(tm->tm_mon == mo &&
tm->tm_mday > day) ||
(tm->tm_mday == day &&
tm->tm_hour > hour) ||
(tm->tm_hour == hour &&
tm->tm_min > min) ||
(tm->tm_min == min &&
tm->tm_sec > sec))
return (1);
}
}
recvrequest("RETR", argv[2], argv[1], filemode,
argv[1] != oldargv1 || argv[2] != oldargv2, local_given);
restart_point = 0;
return (0);
}
static int
suspicious_filename(const char *fn)
{
return strstr(fn, "../") != NULL || *fn == '/';
}
/*
* Get multiple files.
*/
void
mget(int argc, char **argv)
{
sighand oldintr;
int ch, ointer;
char *cp, *tp, *tp2, tmpbuf[MaxPathLen];
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);
setjmp(jabort);
while ((cp = remglob(argv,proxy)) != NULL) {
if (*cp == '\0') {
mflag = 0;
continue;
}
if (mflag && suspicious_filename(cp))
printf("*** Suspicious filename: %s\n", cp);
if (mflag && confirm(argv[0], cp)) {
tp = cp;
if (mcase) {
for (tp2 = tmpbuf;(ch = (unsigned char)*tp++);)
*tp2++ = tolower(ch);
*tp2 = '\0';
tp = tmpbuf;
}
if (ntflag) {
tp = dotrans(tp);
}
if (mapflag) {
tp = domap(tp);
}
recvrequest("RETR", tp, cp,
curtype == TYPE_I ? "wb" : "w",
tp != cp || !interactive, 0);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with","mget")) {
mflag++;
}
interactive = ointer;
}
}
}
signal(SIGINT,oldintr);
mflag = 0;
}
char *
remglob(char **argv, int doswitch)
{
char temp[16];
static char buf[MaxPathLen];
static FILE *ftemp = NULL;
static char **args;
int oldverbose, oldhash;
char *cp, *filemode;
if (!mflag) {
if (!doglob) {
args = NULL;
}
else {
if (ftemp) {
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 fd;
strlcpy(temp, _PATH_TMP_XXX, sizeof(temp));
fd = mkstemp(temp);
if(fd < 0){
warn("unable to create temporary file %s", temp);
return NULL;
}
close(fd);
oldverbose = verbose, verbose = 0;
oldhash = hash, hash = 0;
if (doswitch) {
pswitch(!proxy);
}
for (filemode = "w"; *++argv != NULL; filemode = "a")
recvrequest ("NLST", temp, *argv, filemode, 0, 0);
if (doswitch) {
pswitch(!proxy);
}
verbose = oldverbose; hash = oldhash;
ftemp = fopen(temp, "r");
unlink(temp);
if (ftemp == NULL) {
printf("can't find list of remote files, oops\n");
return (NULL);
}
}
while(fgets(buf, sizeof (buf), ftemp)) {
if ((cp = strchr(buf, '\n')) != NULL)
*cp = '\0';
if(!interactive && suspicious_filename(buf)){
printf("Ignoring remote globbed file `%s'\n", buf);
continue;
}
return buf;
}
fclose(ftemp);
ftemp = NULL;
return (NULL);
}
char *
onoff(int bool)
{
return (bool ? "on" : "off");
}
/*
* Show status.
*/
/*ARGSUSED*/
void
status(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);
}
sec_status();
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*/
void
setbell(int argc, char **argv)
{
bell = !bell;
printf("Bell mode %s.\n", onoff(bell));
code = bell;
}
/*
* Turn on packet tracing.
*/
/*VARARGS*/
void
settrace(int argc, char **argv)
{
trace = !trace;
printf("Packet tracing %s.\n", onoff(trace));
code = trace;
}
/*
* Toggle hash mark printing during transfers.
*/
/*VARARGS*/
void
sethash(int argc, char **argv)
{
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*/
void
setverbose(int argc, char **argv)
{
verbose = !verbose;
printf("Verbose mode %s.\n", onoff(verbose));
code = verbose;
}
/*
* Toggle PORT cmd use before each data connection.
*/
/*VARARGS*/
void
setport(int argc, char **argv)
{
sendport = !sendport;
printf("Use of PORT cmds %s.\n", onoff(sendport));
code = sendport;
}
/*
* Turn on interactive prompting
* during mget, mput, and mdelete.
*/
/*VARARGS*/
void
setprompt(int argc, char **argv)
{
interactive = !interactive;
printf("Interactive mode %s.\n", onoff(interactive));
code = interactive;
}
/*
* Toggle metacharacter interpretation
* on local file names.
*/
/*VARARGS*/
void
setglob(int argc, char **argv)
{
doglob = !doglob;
printf("Globbing %s.\n", onoff(doglob));
code = doglob;
}
/*
* Set debugging mode on/off and/or
* set level of debugging.
*/
/*VARARGS*/
void
setdebug(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.
*/
void
cd(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");
command("XCWD %s", argv[1]);
}
}
/*
* Set current working directory
* on local machine.
*/
void
lcd(int argc, char **argv)
{
char buf[MaxPathLen];
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) {
warn("local: %s", argv[1]);
code = -1;
return;
}
if (getcwd(buf, sizeof(buf)) != NULL)
printf("Local directory now %s\n", buf);
else
warnx("getwd: %s", buf);
code = 0;
}
/*
* Delete a single file.
*/
void
delete(int argc, char **argv)
{
if (argc < 2 && !another(&argc, &argv, "remote-file")) {
printf("usage: %s remote-file\n", argv[0]);
code = -1;
return;
}
command("DELE %s", argv[1]);
}
/*
* Delete multiple files.
*/
void
mdelete(int argc, char **argv)
{
sighand oldintr;
int ointer;
char *cp;
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);
setjmp(jabort);
while ((cp = remglob(argv,0)) != NULL) {
if (*cp == '\0') {
mflag = 0;
continue;
}
if (mflag && confirm(argv[0], cp)) {
command("DELE %s", cp);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with", "mdelete")) {
mflag++;
}
interactive = ointer;
}
}
}
signal(SIGINT, oldintr);
mflag = 0;
}
/*
* Rename a remote file.
*/
void
renamefile(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)
command("RNTO %s", argv[2]);
}
/*
* Get a directory listing
* of remote files.
*/
void
ls(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, 1);
}
/*
* Get a directory listing
* of multiple remote files.
*/
void
mls(int argc, char **argv)
{
sighand oldintr;
int ointer, i;
char *cmd, filemode[2], *dest;
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);
setjmp(jabort);
filemode[1] = '\0';
for (i = 1; mflag && i < argc-1; ++i) {
*filemode = (i == 1) ? 'w' : 'a';
recvrequest(cmd, dest, argv[i], filemode, 0, 1);
if (!mflag && fromatty) {
ointer = interactive;
interactive = 1;
if (confirm("Continue with", argv[0])) {
mflag ++;
}
interactive = ointer;
}
}
signal(SIGINT, oldintr);
mflag = 0;
}
/*
* Do a shell escape
*/
/*ARGSUSED*/
void
shell(int argc, char **argv)
{
pid_t pid;
RETSIGTYPE (*old1)(int), (*old2)(int);
char shellnam[40], *shellpath, *namep;
int waitstatus;
old1 = signal (SIGINT, SIG_IGN);
old2 = signal (SIGQUIT, SIG_IGN);
if ((pid = fork()) == 0) {
for (pid = 3; pid < 20; pid++)
close(pid);
signal(SIGINT, SIG_DFL);
signal(SIGQUIT, SIG_DFL);
shellpath = getenv("SHELL");
if (shellpath == NULL)
shellpath = _PATH_BSHELL;
namep = strrchr(shellpath, '/');
if (namep == NULL)
namep = shellpath;
snprintf (shellnam, sizeof(shellnam),
"-%s", ++namep);
if (strcmp(namep, "sh") != 0)
shellnam[0] = '+';
if (debug) {
printf ("%s\n", shellpath);
fflush (stdout);
}
if (argc > 1) {
execl(shellpath,shellnam,"-c",altarg,(char *)0);
}
else {
execl(shellpath,shellnam,(char *)0);
}
warn("%s", shellpath);
code = -1;
exit(1);
}
if (pid > 0)
while (waitpid(-1, &waitstatus, 0) != pid)
;
signal(SIGINT, old1);
signal(SIGQUIT, old2);
if (pid == -1) {
warn("%s", "Try again later");
code = -1;
}
else {
code = 0;
}
}
/*
* Send new user information (re-login)
*/
void
user(int argc, char **argv)
{
char acctstr[80];
int n, aflag = 0;
char tmp[256];
if (argc < 2)
another(&argc, &argv, "username");
if (argc < 2 || argc > 4) {
printf("usage: %s username [password] [account]\n", argv[0]);
code = -1;
return;
}
n = command("USER %s", argv[1]);
if (n == CONTINUE) {
if (argc < 3 ) {
UI_UTIL_read_pw_string (tmp,
sizeof(tmp),
"Password: ", 0);
argv[2] = tmp;
argc++;
}
n = command("PASS %s", argv[2]);
}
if (n == CONTINUE) {
if (argc < 4) {
printf("Account: "); fflush(stdout);
fgets(acctstr, sizeof(acctstr) - 1, stdin);
acctstr[strcspn(acctstr, "\r\n")] = '\0';
argv[3] = acctstr; argc++;
}
n = command("ACCT %s", argv[3]);
aflag++;
}
if (n != COMPLETE) {
fprintf(stdout, "Login failed.\n");
return;
}
if (!aflag && argc == 4) {
command("ACCT %s", argv[3]);
}
}
/*
* Print working directory.
*/
/*VARARGS*/
void
pwd(int argc, char **argv)
{
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");
command("XPWD");
}
verbose = oldverbose;
}
/*
* Make a directory.
*/
void
makedir(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");
command("XMKD %s", argv[1]);
}
}
/*
* Remove a directory.
*/
void
removedir(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");
command("XRMD %s", argv[1]);
}
}
/*
* Send a line, verbatim, to the remote machine.
*/
void
quote(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.
*/
void
site(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.
*/
void
quote1(char *initial, int argc, char **argv)
{
int i;
char buf[BUFSIZ]; /* must be >= sizeof(line) */
strlcpy(buf, initial, sizeof(buf));
for(i = 1; i < argc; i++) {
if(i > 1)
strlcat(buf, " ", sizeof(buf));
strlcat(buf, argv[i], sizeof(buf));
}
if (command("%s", buf) == PRELIM) {
while (getreply(0) == PRELIM)
continue;
}
}
void
do_chmod(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;
}
command("SITE CHMOD %s %s", argv[1], argv[2]);
}
void
do_umask(int argc, char **argv)
{
int oldverbose = verbose;
verbose = 1;
command(argc == 1 ? "SITE UMASK" : "SITE UMASK %s", argv[1]);
verbose = oldverbose;
}
void
ftp_idle(int argc, char **argv)
{
int oldverbose = verbose;
verbose = 1;
command(argc == 1 ? "SITE IDLE" : "SITE IDLE %s", argv[1]);
verbose = oldverbose;
}
/*
* Ask the other side for help.
*/
void
rmthelp(int argc, char **argv)
{
int oldverbose = verbose;
verbose = 1;
command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
verbose = oldverbose;
}
/*
* Terminate session and exit.
*/
/*VARARGS*/
void
quit(int argc, char **argv)
{
if (connected)
disconnect(0, 0);
pswitch(1);
if (connected) {
disconnect(0, 0);
}
exit(0);
}
/*
* Terminate session, but don't exit.
*/
void
disconnect(int argc, char **argv)
{
if (!connected)
return;
command("QUIT");
if (cout) {
fclose(cout);
}
cout = NULL;
connected = 0;
sec_end();
data = -1;
if (!proxy) {
macnum = 0;
}
}
int
confirm(char *cmd, char *file)
{
char buf[BUFSIZ];
if (!interactive)
return (1);
printf("%s %s? ", cmd, file);
fflush(stdout);
if (fgets(buf, sizeof buf, stdin) == NULL)
return (0);
return (*buf == 'y' || *buf == 'Y');
}
void
fatal(char *msg)
{
errx(1, "%s", msg);
}
/*
* 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);
}
*cpp = strdup(gl.gl_pathv[0]); /* XXX - wasted memory */
globfree(&gl);
return (1);
}
void
account(int argc, char **argv)
{
char acctstr[50];
if (argc > 1) {
++argv;
--argc;
strlcpy (acctstr, *argv, sizeof(acctstr));
while (argc > 1) {
--argc;
++argv;
strlcat(acctstr, *argv, sizeof(acctstr));
}
}
else {
UI_UTIL_read_pw_string(acctstr, sizeof(acctstr), "Account:", 0);
}
command("ACCT %s", acctstr);
}
jmp_buf abortprox;
static RETSIGTYPE
proxabort(int sig)
{
if (!proxy) {
pswitch(1);
}
if (connected) {
proxflag = 1;
}
else {
proxflag = 0;
}
pswitch(0);
longjmp(abortprox,1);
}
void
doproxy(int argc, char **argv)
{
struct cmd *c;
RETSIGTYPE (*oldintr)(int);
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");
fflush(stdout);
code = -1;
return;
}
if (c == 0) {
printf("?Invalid command\n");
fflush(stdout);
code = -1;
return;
}
if (!c->c_proxy) {
printf("?Invalid proxy command\n");
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");
fflush(stdout);
pswitch(0);
signal(SIGINT, oldintr);
code = -1;
return;
}
(*c->c_handler)(argc-1, argv+1);
if (connected) {
proxflag = 1;
}
else {
proxflag = 0;
}
pswitch(0);
signal(SIGINT, oldintr);
}
void
setcase(int argc, char **argv)
{
mcase = !mcase;
printf("Case mapping %s.\n", onoff(mcase));
code = mcase;
}
void
setcr(int argc, char **argv)
{
crflag = !crflag;
printf("Carriage Return stripping %s.\n", onoff(crflag));
code = crflag;
}
void
setntrans(int argc, char **argv)
{
if (argc == 1) {
ntflag = 0;
printf("Ntrans off.\n");
code = ntflag;
return;
}
ntflag++;
code = ntflag;
strlcpy (ntin, argv[1], 17);
if (argc == 2) {
ntout[0] = '\0';
return;
}
strlcpy (ntout, argv[2], 17);
}
char *
dotrans(char *name)
{
static char new[MaxPathLen];
char *cp1, *cp2 = new;
int i, ostop, found;
for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++)
continue;
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);
}
void
setnmap(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 = strchr(altarg, ' ');
if (proxy) {
while(*++cp == ' ')
continue;
altarg = cp;
cp = strchr(altarg, ' ');
}
*cp = '\0';
strlcpy(mapin, altarg, MaxPathLen);
while (*++cp == ' ')
continue;
strlcpy(mapout, cp, MaxPathLen);
}
char *
domap(char *name)
{
static char new[MaxPathLen];
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 == '$' && isdigit((unsigned char)*(cp2+1))) {
if (*++cp2 == '0') {
char *cp3 = name;
while (*cp3) {
*cp1++ = *cp3++;
}
match = 1;
}
else if (toks[toknum = *cp2 - '1']) {
char *cp3 = tp[toknum];
while (cp3 != te[toknum]) {
*cp1++ = *cp3++;
}
match = 1;
}
}
else {
while (*cp2 && *cp2 != ',' &&
*cp2 != ']') {
if (*cp2 == '\\') {
cp2++;
}
else if (*cp2 == '$' &&
isdigit((unsigned char)*(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((unsigned char)*(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);
}
void
setpassive(int argc, char **argv)
{
passivemode = !passivemode;
printf("Passive mode %s.\n", onoff(passivemode));
code = passivemode;
}
void
setsunique(int argc, char **argv)
{
sunique = !sunique;
printf("Store unique %s.\n", onoff(sunique));
code = sunique;
}
void
setrunique(int argc, char **argv)
{
runique = !runique;
printf("Receive unique %s.\n", onoff(runique));
code = runique;
}
/* change directory to perent directory */
void
cdup(int argc, char **argv)
{
if (command("CDUP") == ERROR && code == 500) {
if (verbose)
printf("CDUP command not recognized, trying XCUP\n");
command("XCUP");
}
}
/* restart transfer at specific point */
void
restart(int argc, char **argv)
{
if (argc != 2)
printf("restart: offset not specified\n");
else {
restart_point = atol(argv[1]);
printf("restarting at %ld. %s\n", (long)restart_point,
"execute get, put or append to initiate transfer");
}
}
/* show remote system type */
void
syst(int argc, char **argv)
{
command("SYST");
}
void
macdef(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");
}
strlcpy(macros[macnum].mac_name,
argv[1],
sizeof(macros[macnum].mac_name));
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
*/
void
sizecmd(int argc, char **argv)
{
if (argc < 2 && !another(&argc, &argv, "filename")) {
printf("usage: %s filename\n", argv[0]);
code = -1;
return;
}
command("SIZE %s", argv[1]);
}
/*
* get last modification time of file on remote machine
*/
void
modtime(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
*/
void
rmtstatus(int argc, char **argv)
{
command(argc > 1 ? "STAT %s" : "STAT" , argv[1]);
}
/*
* get file if modtime is more recent than current file
*/
void
newer(int argc, char **argv)
{
if (getit(argc, argv, -1, curtype == TYPE_I ? "wb" : "w"))
printf("Local file \"%s\" is newer than remote file \"%s\"\n",
argv[2], argv[1]);
}
void
klist(int argc, char **argv)
{
int ret;
if(argc != 1){
printf("usage: %s\n", argv[0]);
code = -1;
return;
}
ret = command("SITE KLIST");
code = (ret == COMPLETE);
}