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/*
$Id: sockdown.c,v 1.6 1998/06/12 19:59:18 thoth Exp $, part of
faucet and hose: network pipe utilities
Copyright (C) 1995-98 Robert Forsman
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
static char info[] = "sockdown: a network utility for sockets\nWritten 1995-98 by Robert Forsman <thoth@cis.ufl.edu>\n";
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include "common.h"
void /* this is in version.c */
emit_version(/* char*, int */);
extern char *progname;
int main(argc, argv)
int argc;
char **argv;
{
int fd;
int how;
int verbose=0;
set_progname(argv[0]);
if (argc>1&&
0==strncmp(argv[1], "-verbose", strlen(argv[1]))) {
verbose=1;
argc--;
argv++;
}
if (argc<2) {
fd = 1;
how = 1;
} else {
fd = atoi(argv[1]);
if (argc<3) {
how = 1;
} else {
if (0==strncmp("readonly", argv[2], strlen(argv[2]))) {
how = 1;
} else if (0==strncmp("writeonly", argv[2], strlen(argv[2]))) {
how = 0;
} else if (0==strncmp("totally", argv[2], strlen(argv[2]))) {
how = 2;
} else {
how = atoi(argv[2]);
}
}
}
if (verbose) {
emit_version("sockdown", 1995);
fprintf(stderr,
"%s: Performing shutdown on descriptor %d with mode %d\n",
progname, fd, how);
}
if ( 0==shutdown(fd, how) ) {
exit(0);
} else {
fprintf(stderr, "%s: Error %d during shutdown(%d, %d) of socket. ",
progname, errno, fd, how);
perror("");
exit(1);
}
}
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