mirror of
https://github.com/GnoConsortium/gno.git
synced 2024-11-18 19:09:31 +00:00
471 lines
7.5 KiB
C
471 lines
7.5 KiB
C
#ifdef __ORCAC__
|
|
segment "ftpmain ";
|
|
#endif
|
|
|
|
char copyright[] =
|
|
"@(#) Copyright (c) 1985, 1989 Regents of the University of California.\n\
|
|
All rights reserved.\n";
|
|
|
|
static char sccsid[] = "@(#)main.c 5.18 (Berkeley) 3/1/91";
|
|
|
|
/*
|
|
* FTP User Program -- Command Interface.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <arpa/ftp.h>
|
|
|
|
#include <gno/gno.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
#include <netdb.h>
|
|
#include <pwd.h>
|
|
|
|
#include "ftp.var.h"
|
|
#include "ftp.h"
|
|
#include "cmds.h"
|
|
#include "domacro.h"
|
|
#include "main.h"
|
|
|
|
extern char *home;
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
char *cp;
|
|
int top;
|
|
struct passwd *pw = NULL;
|
|
static char homedir[MAXPATHLEN];
|
|
|
|
sp = getservbyname("ftp", "tcp");
|
|
if (sp == 0) {
|
|
fprintf(stderr, "ftp: ftp/tcp: unknown service\n");
|
|
exit(1);
|
|
}
|
|
doglob = 1;
|
|
interactive = 1;
|
|
autologin = 1;
|
|
argc--, argv++;
|
|
while (argc > 0 && **argv == '-') {
|
|
for (cp = *argv + 1; *cp; cp++)
|
|
switch (*cp) {
|
|
|
|
case 'd':
|
|
options |= SO_DEBUG;
|
|
debug++;
|
|
break;
|
|
|
|
case 'v':
|
|
verbose++;
|
|
break;
|
|
|
|
case 't':
|
|
trace++;
|
|
break;
|
|
|
|
case 'i':
|
|
interactive = 0;
|
|
break;
|
|
|
|
case 'n':
|
|
autologin = 0;
|
|
break;
|
|
|
|
case 'g':
|
|
doglob = 0;
|
|
break;
|
|
|
|
default:
|
|
fprintf(stdout,
|
|
"ftp: %c: unknown option\n", *cp);
|
|
exit(1);
|
|
}
|
|
argc--, argv++;
|
|
}
|
|
fromatty = isatty(fileno(stdin));
|
|
if (fromatty)
|
|
verbose++;
|
|
cpend = 0; /* no pending replies */
|
|
proxy = 0; /* proxy not active */
|
|
crflag = 1; /* strip c.r. on ascii gets */
|
|
sendport = -1; /* not using ports */
|
|
/*
|
|
* Set up the home directory in case we're globbing.
|
|
*/
|
|
cp = getlogin();
|
|
if (cp != NULL) {
|
|
pw = getpwnam(cp);
|
|
}
|
|
if (pw == NULL)
|
|
pw = getpwuid(getuid());
|
|
if (pw != NULL) {
|
|
home = homedir;
|
|
strcpy(home, pw->pw_dir);
|
|
}
|
|
if (argc > 0) {
|
|
if (setjmp(toplevel))
|
|
exit(0);
|
|
signal(SIGINT, intr);
|
|
signal(SIGPIPE, lostpeer);
|
|
setpeer(argc + 1, argv - 1);
|
|
}
|
|
top = setjmp(toplevel) == 0;
|
|
if (top) {
|
|
signal(SIGINT, intr);
|
|
signal(SIGPIPE, lostpeer);
|
|
}
|
|
for (;;) {
|
|
cmdscanner(top);
|
|
top = 1;
|
|
}
|
|
}
|
|
|
|
#pragma databank 1
|
|
void
|
|
intr (int sig, int code)
|
|
{
|
|
longjmp (toplevel, 1);
|
|
}
|
|
|
|
void
|
|
lostpeer (int sig, int code)
|
|
{
|
|
extern FILE *cout;
|
|
extern int data;
|
|
|
|
if (connected) {
|
|
if (cout != NULL) {
|
|
#ifdef HAVE_SHUTDOWN
|
|
shutdown(fileno(cout), 1+1);
|
|
#endif
|
|
fclose(cout);
|
|
cout = NULL;
|
|
}
|
|
if (data >= 0) {
|
|
#ifdef HAVE_SHUTDOWN
|
|
shutdown(data, 1+1);
|
|
#endif
|
|
close(data);
|
|
data = -1;
|
|
}
|
|
connected = 0;
|
|
}
|
|
pswitch(1);
|
|
if (connected) {
|
|
if (cout != NULL) {
|
|
#ifdef HAVE_SHUTDOWN
|
|
shutdown(fileno(cout), 1+1);
|
|
#endif
|
|
fclose(cout);
|
|
cout = NULL;
|
|
}
|
|
connected = 0;
|
|
}
|
|
proxflag = 0;
|
|
pswitch(0);
|
|
}
|
|
#pragma databank 0
|
|
|
|
/*
|
|
* Command parser.
|
|
*/
|
|
int
|
|
cmdscanner (int top)
|
|
{
|
|
struct cmd *c;
|
|
int l;
|
|
|
|
if (!top)
|
|
putchar('\n');
|
|
for (;;) {
|
|
if (fromatty) {
|
|
printf("ftp> ");
|
|
fflush(stdout);
|
|
}
|
|
if (fgets(line, 200, stdin) == NULL)
|
|
quit(0, NULL);
|
|
l = strlen(line);
|
|
if (l == 0)
|
|
break;
|
|
if (line[--l] == '\n') {
|
|
if (l == 0)
|
|
break;
|
|
line[l] = '\0';
|
|
} else if (l == sizeof(line) - 2) {
|
|
printf("sorry, input line too long\n");
|
|
while ((l = getchar()) != '\n' && l != EOF)
|
|
/* void */;
|
|
break;
|
|
} /* else it was a line without a newline */
|
|
makeargv();
|
|
if (margc == 0) {
|
|
continue;
|
|
}
|
|
c = getcmd(margv[0]);
|
|
if (c == (struct cmd *)-1) {
|
|
printf("?Ambiguous command\n");
|
|
continue;
|
|
}
|
|
if (c == 0) {
|
|
printf("?Invalid command\n");
|
|
continue;
|
|
}
|
|
if (c->c_conn && !connected) {
|
|
printf("Not connected.\n");
|
|
continue;
|
|
}
|
|
(*c->c_handler)(margc, margv);
|
|
if (bell && c->c_bell)
|
|
putchar('\007');
|
|
if (c->c_handler != help)
|
|
break;
|
|
}
|
|
signal(SIGINT, intr);
|
|
signal(SIGPIPE, lostpeer);
|
|
}
|
|
|
|
struct cmd *
|
|
getcmd (char *name)
|
|
{
|
|
extern struct cmd cmdtab[];
|
|
char *p, *q;
|
|
struct cmd *c, *found;
|
|
int nmatches, longest;
|
|
|
|
longest = 0;
|
|
nmatches = 0;
|
|
found = 0;
|
|
for (c = cmdtab; p = c->c_name; 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;
|
|
|
|
margc = 0;
|
|
argp = margv;
|
|
stringbase = line; /* scan from first of buffer */
|
|
argbase = argbuf; /* store from first of buffer */
|
|
slrflag = 0;
|
|
while (*argp++ = slurpstring())
|
|
margc++;
|
|
}
|
|
|
|
/*
|
|
* 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++;
|
|
stringbase++;
|
|
return ((*sb == '!') ? "!" : "$");
|
|
/* NOTREACHED */
|
|
case 1:
|
|
slrflag++;
|
|
altarg = stringbase;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
S0:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
case ' ':
|
|
case '\t':
|
|
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 '\\':
|
|
sb++; goto S2; /* slurp next character */
|
|
|
|
case '"':
|
|
sb++; goto S3; /* slurp quoted string */
|
|
|
|
default:
|
|
*ap++ = *sb++; /* add character to token */
|
|
got_one = 1;
|
|
goto S1;
|
|
}
|
|
|
|
S2:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
default:
|
|
*ap++ = *sb++;
|
|
got_one = 1;
|
|
goto S1;
|
|
}
|
|
|
|
S3:
|
|
switch (*sb) {
|
|
|
|
case '\0':
|
|
goto OUT;
|
|
|
|
case '"':
|
|
sb++; goto S1;
|
|
|
|
default:
|
|
*ap++ = *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 = (char *) 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return((char *)0);
|
|
}
|
|
|
|
/*
|
|
* Help command.
|
|
* Call each command handler with argc == 0 and argv[0] == name.
|
|
*/
|
|
void
|
|
help (int argc, char **argv)
|
|
{
|
|
extern struct cmd cmdtab[];
|
|
struct cmd *c;
|
|
|
|
if (argc == 1) {
|
|
int i, j, w, k;
|
|
int columns, width = 0, lines;
|
|
extern int NCMDS;
|
|
|
|
printf("Commands may be abbreviated. Commands are:\n\n");
|
|
for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
|
|
int len = strlen(c->c_name);
|
|
|
|
if (len > width)
|
|
width = len;
|
|
}
|
|
width = (width + 8) &~ 7;
|
|
columns = 80 / width;
|
|
if (columns == 0)
|
|
columns = 1;
|
|
lines = (NCMDS + columns - 1) / columns;
|
|
for (i = 0; i < lines; i++) {
|
|
for (j = 0; j < columns; j++) {
|
|
c = cmdtab + j * lines + i;
|
|
if (c->c_name && (!proxy || c->c_proxy)) {
|
|
printf("%s", c->c_name);
|
|
}
|
|
else if (c->c_name) {
|
|
for (k=0; k < strlen(c->c_name); k++) {
|
|
putchar(' ');
|
|
}
|
|
}
|
|
if (c + lines >= &cmdtab[NCMDS]) {
|
|
printf("\n");
|
|
break;
|
|
}
|
|
w = strlen(c->c_name);
|
|
while (w < width) {
|
|
w = (w + 8) &~ 7;
|
|
putchar('\t');
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
while (--argc > 0) {
|
|
char *arg;
|
|
arg = *++argv;
|
|
c = getcmd(arg);
|
|
if (c == (struct cmd *)-1)
|
|
printf("?Ambiguous help command %s\n", arg);
|
|
else if (c == (struct cmd *)0)
|
|
printf("?Invalid help command %s\n", arg);
|
|
else
|
|
printf("%10s\t%s\n", c->c_name, c->c_help);
|
|
}
|
|
}
|
|
|