4.1cBSD/usr/src/ucb/netser/ftp/cmds.c
#ifndef lint
static char sccsid[] = "@(#)cmds.c 4.2 (Berkeley) 2/21/83";
#endif
/*
* FTP User Program -- Command Routines.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <signal.h>
#include <stdio.h>
#include <errno.h>
#include <netdb.h>
#include "ftp.h"
#include "ftp_var.h"
int autologin = 1;
/*
* Connect to peer server and
* auto-login, if possible.
*/
setpeer(argc, argv)
int argc;
char *argv[];
{
struct hostent *host, *hookup();
int port;
if (connected) {
printf("Already connected to %s, use disconnect first.\n",
hostname);
return;
}
if (argc < 2) {
strcat(line, " ");
printf("(to) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc > 3) {
printf("usage: %s host-name [port]\n", argv[0]);
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]);
return;
}
port = htons(port);
}
host = hookup(argv[1], port);
if (host) {
connected = 1;
if (autologin)
login(host);
}
}
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)
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);
if (*sep == ' ')
sep = " | ";
}
printf(" ]\n");
return;
}
if (argc < 2) {
printf("Using %s mode to transfer files.\n", typename);
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]);
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) {
strcpy(typename, p->t_name);
type = p->t_type;
}
}
/*
* Set binary transfer type.
*/
/*VARARGS*/
setbinary()
{
call(settype, "type", "binary", 0);
}
/*
* Set ascii transfer type.
*/
/*VARARGS*/
setascii()
{
call(settype, "type", "ascii", 0);
}
/*
* Set tenex transfer type.
*/
/*VARARGS*/
settenex()
{
call(settype, "type", "tenex", 0);
}
/*
* Set ebcdic transfer type.
*/
/*VARARGS*/
setebcdic()
{
call(settype, "type", "ebcdic", 0);
}
/*
* Set file transfer mode.
*/
setmode(argc, argv)
char *argv[];
{
printf("We only support %s mode, sorry.\n", modename);
}
/*
* Set file transfer format.
*/
setform(argc, argv)
char *argv[];
{
printf("We only support %s format, sorry.\n", formname);
}
/*
* Set file transfer structure.
*/
setstruct(argc, argv)
char *argv[];
{
printf("We only support %s structure, sorry.\n", structname);
}
/*
* Send a single file.
*/
put(argc, argv)
char *argv[];
{
int fd;
register int n, addr;
register char *cp, *targ;
if (!connected) {
printf("Not connected.\n");
return;
}
if (argc == 2)
argc++, argv[2] = argv[1];
if (argc < 2) {
strcat(line, " ");
printf("(local-file) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
usage:
printf("%s local-file remote-file\n", argv[0]);
return;
}
if (argc < 3) {
strcat(line, " ");
printf("(remote-file) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 3)
goto usage;
sendrequest("STOR", argv[1], argv[2]);
}
/*
* Receive a single file.
*/
get(argc, argv)
char *argv[];
{
int fd;
register int n, addr;
register char *cp;
char *src;
if (!connected) {
printf("Not connected.\n");
return;
}
if (argc == 2)
argc++, argv[2] = argv[1];
if (argc < 2) {
strcat(line, " ");
printf("(remote-file) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
usage:
printf("%s remote-file local-file\n", argv[0]);
return;
}
if (argc < 3) {
strcat(line, " ");
printf("(local-file) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 3)
goto usage;
recvrequest("RETR", argv[2], argv[1]);
}
char *
onoff(bool)
int bool;
{
return (bool ? "on" : "off");
}
/*
* Show status.
*/
status(argc, argv)
char *argv[];
{
if (connected)
printf("Connected to %s.\n", hostname);
else
printf("Not connected.\n");
printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
modename, typename, formname, structname);
printf("Verbose: %s; Bell: %s; Prompting: %s\n",
onoff(verbose), onoff(bell), onoff(interactive));
}
/*
* Set beep on cmd completed mode.
*/
/*VARARGS*/
setbell()
{
bell = !bell;
printf("Bell mode %s.\n", onoff(bell));
}
/*
* Turn on packet tracing.
*/
/*VARARGS*/
settrace()
{
trace = !trace;
printf("Packet tracing %s.\n", onoff(trace));
}
/*
* Turn on printing of server echo's.
*/
/*VARARGS*/
setverbose()
{
verbose = !verbose;
printf("Verbose mode %s.\n", onoff(verbose));
}
/*
* Turn on interactive prompting
* during mget, mput, and mdelete.
*/
/*VARARGS*/
setprompt()
{
interactive = !interactive;
printf("Interactive mode %s.\n", onoff(interactive));
}
/*
* Set debugging mode on/off and/or
* set level of debugging.
*/
/*VARARGS*/
setdebug(argc, argv)
char *argv[];
{
int val;
if (argc > 1) {
val = atoi(argv[1]);
if (val < 0) {
printf("%s: bad debugging value.\n", argv[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);
}
/*
* Set current working directory
* on remote machine.
*/
cd(argc, argv)
char *argv[];
{
if (!connected) {
printf("Not connected.\n");
return;
}
if (argc < 2) {
strcat(line, " ");
printf("(remote-directory) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
printf("%s remote-directory\n", argv[0]);
return;
}
(void) command("CWD %s", argv[1]);
}
#include <pwd.h>
/*
* Set current working directory
* on local machine.
*/
lcd(argc, argv)
char *argv[];
{
static struct passwd *pw = NULL;
if (argc < 2) {
if (pw == NULL) {
pw = getpwnam(getlogin());
if (pw == NULL)
pw = getpwuid(getuid());
}
if (pw == NULL) {
printf("ftp: can't find home directory.\n");
return;
}
argc++, argv[1] = pw->pw_dir;
}
if (argc != 2) {
printf("%s local-directory\n", argv[0]);
return;
}
if (chdir(argv[1]) < 0)
perror(argv[1]);
}
/*
* Delete a single file.
*/
delete(argc, argv)
char *argv[];
{
if (argc < 2) {
strcat(line, " ");
printf("(remote-file) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
printf("%s remote-file\n", argv[0]);
return;
}
(void) command("DELE %s", argv[1]);
}
/*
* Rename a remote file.
*/
renamefile(argc, argv)
char *argv[];
{
if (argc < 2) {
strcat(line, " ");
printf("(from-name) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
usage:
printf("%s from-name to-name\n", argv[0]);
return;
}
if (argc < 3) {
strcat(line, " ");
printf("(to-name) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 3)
goto usage;
if (command("RNFR %s", argv[1]) == CONTINUE)
(void) command("RNTO %s", argv[2]);
}
/*
* Get a directory listing
* of remote files.
*/
ls(argc, argv)
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]);
return;
}
cmd = argv[0][0] == 'l' ? "NLST" : "LIST";
recvrequest(cmd, argv[2], argv[1]);
}
/*
* Do a shell escape
*/
shell(argc, argv)
char *argv[];
{
printf("Sorry, this function is unimplemented.\n");
}
/*
* Send new user information (re-login)
*/
user(argc, argv)
int argc;
char **argv;
{
char acct[80], *getpass();
int n;
if (argc < 2) {
strcat(line, " ");
printf("(username) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc > 4) {
printf("usage: %s username [password] [account]\n", argv[0]);
return;
}
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", acct);
}
if (n != COMPLETE) {
fprintf(stderr, "Login failed.\n");
return (0);
}
return (1);
}
/*
* Print working directory.
*/
/*VARARGS*/
pwd()
{
if (!connected) {
printf("Not connected.\n");
return;
}
(void) command("XPWD");
}
/*
* Make a directory.
*/
makedir(argc, argv)
char *argv[];
{
if (argc < 2) {
strcat(line, " ");
printf("(directory-name) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
printf("%s directory-name\n", argv[0]);
return;
}
(void) command("XMKD %s", argv[1]);
}
/*
* Remove a directory.
*/
removedir(argc, argv)
char *argv[];
{
if (argc < 2) {
strcat(line, " ");
printf("(directory-name) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
printf("%s directory-name\n", argv[0]);
return;
}
(void) command("XRMD %s", argv[1]);
}
/*
* Send a line, verbatim, to the remote machine.
*/
quote(argc, argv)
char *argv[];
{
int i;
char buf[BUFSIZ];
if (argc < 2) {
strcat(line, " ");
printf("(command line to send) ");
gets(&line[strlen(line)]);
makeargv();
argc = margc;
argv = margv;
}
if (argc < 2) {
printf("usage: %s line-to-send\n", argv[0]);
return;
}
strcpy(buf, argv[1]);
for (i = 2; i < argc; i++) {
strcat(buf, " ");
strcat(buf, argv[i]);
}
(void) command(buf);
}
/*
* Ask the other side for help.
*/
rmthelp(argc, argv)
char *argv[];
{
int oldverbose = verbose;
verbose = 1;
(void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
verbose = oldverbose;
}
/*
* Terminate session and exit.
*/
/*VARARGS*/
quit()
{
disconnect();
exit(0);
}
/*
* Terminate session, but don't exit.
*/
disconnect()
{
extern FILE *cout;
extern int data;
if (!connected)
return;
(void) command("QUIT");
(void) fclose(cout);
cout = NULL;
connected = 0;
data = -1;
}