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-rw-r--r--nc.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/nc.c b/nc.c
deleted file mode 100644
index 5335872..0000000
--- a/nc.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/* nc: mini-netcat - built from the ground up for LRP
- Copyright (C) 1998 Charles P. Wright
-
- 0.0.1 6K It works.
- 0.0.2 5K Smaller and you can also check the exit condition if you wish.
- 0.0.3 Uses select()
-
- 19980918 Busy Boxed! Dave Cinege
- 19990512 Uses Select. Charles P. Wright
- 19990513 Fixes stdin stupidity and uses buffers. Charles P. Wright
-
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/time.h>
-#include <sys/ioctl.h>
-#include "busybox.h"
-
-int nc_main(int argc, char **argv)
-{
- int do_listen = 0, lport = 0, tmpfd, opt, sfd;
- char buf[BUFSIZ];
-
- struct sockaddr_in address;
- struct hostent *hostinfo;
-
- fd_set readfds, testfds;
-
- while ((opt = getopt(argc, argv, "lp:")) > 0) {
- switch (opt) {
- case 'l':
- do_listen++;
- break;
- case 'p':
- lport = atoi(optarg);
- break;
- default:
- show_usage();
- }
- }
-
- if ((do_listen && optind != argc) || (!do_listen && optind + 2 != argc))
- show_usage();
-
- if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
- perror_msg_and_die("socket");
-
- address.sin_family = AF_INET;
-
- if (lport != 0) {
- memset(&address.sin_addr, 0, sizeof(address.sin_addr));
- address.sin_port = htons(lport);
-
- if (bind(sfd, (struct sockaddr *) &address, sizeof(address)) < 0)
- perror_msg_and_die("bind");
- }
-
- if (do_listen) {
- socklen_t addrlen = sizeof(address);
-
- if (listen(sfd, 1) < 0)
- perror_msg_and_die("listen");
-
- if ((tmpfd = accept(sfd, (struct sockaddr *) &address, &addrlen)) < 0)
- perror_msg_and_die("accept");
-
- close(sfd);
- sfd = tmpfd;
- } else {
- hostinfo = xgethostbyname(argv[optind]);
-
- address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
- address.sin_port = htons(atoi(argv[optind+1]));
-
- if (connect(sfd, (struct sockaddr *) &address, sizeof(address)) < 0)
- perror_msg_and_die("connect");
- }
-
- FD_ZERO(&readfds);
- FD_SET(sfd, &readfds);
- FD_SET(STDIN_FILENO, &readfds);
-
- while (1) {
- int fd;
- int ofd;
- int nread;
-
- testfds = readfds;
-
- if (select(FD_SETSIZE, &testfds, NULL, NULL, NULL) < 0)
- perror_msg_and_die("select");
-
- for (fd = 0; fd < FD_SETSIZE; fd++) {
- if (FD_ISSET(fd, &testfds)) {
- if ((nread = safe_read(fd, buf, sizeof(buf))) < 0)
- perror_msg_and_die("read");
-
- if (fd == sfd) {
- if (nread == 0)
- exit(0);
- ofd = STDOUT_FILENO;
- } else {
- if (nread == 0)
- shutdown(sfd, 1);
- ofd = sfd;
- }
-
- if (full_write(ofd, buf, nread) < 0)
- perror_msg_and_die("write");
- }
- }
- }
-}