From 7ab9c7ee52db8759d457819f5480378fa3aa97cc Mon Sep 17 00:00:00 2001 From: Erik Andersen Date: Fri, 12 May 2000 19:41:47 +0000 Subject: Lots of updates. Finished implementing BB_FEATURE_TRIVIAL_HELP which lets you compile out most of the "--help" output, saving up to 17k. Renamed mnc to nc. -Erik --- mnc.c | 131 ------------------------------------------------------------------ 1 file changed, 131 deletions(-) delete mode 100644 mnc.c (limited to 'mnc.c') diff --git a/mnc.c b/mnc.c deleted file mode 100644 index 60c18a91a..000000000 --- a/mnc.c +++ /dev/null @@ -1,131 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* mnc: 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 "internal.h" -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -#define BUFSIZE 100 - -static const char mnc_usage[] = - - "mnc [IP] [port]\n\n" "mini-netcat opens a pipe to IP:port\n"; - -int mnc_main(int argc, char **argv) -{ - int sfd; - int result; - int len; - char ch[BUFSIZE]; - - struct sockaddr_in address; - struct hostent *hostinfo; - - fd_set readfds, testfds; - - argc--; - argv++; - if (argc < 2 || **(argv + 1) == '-') { - usage(mnc_usage); - } - - sfd = socket(AF_INET, SOCK_STREAM, 0); - - hostinfo = (struct hostent *) gethostbyname(*argv); - - if (!hostinfo) { - exit(1); - } - - address.sin_family = AF_INET; - address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list; - address.sin_port = htons(atoi(*(++argv))); - - len = sizeof(address); - - result = connect(sfd, (struct sockaddr *) &address, len); - - if (result < 0) { - exit(2); - } - - FD_ZERO(&readfds); - FD_SET(sfd, &readfds); - FD_SET(fileno(stdin), &readfds); - - while (1) { - int fd; - int ofd; - int nread; - - testfds = readfds; - - result = - select(FD_SETSIZE, &testfds, (fd_set *) NULL, (fd_set *) NULL, - (struct timeval *) 0); - - if (result < 1) { - exit(3); - } - - for (fd = 0; fd < FD_SETSIZE; fd++) { - if (FD_ISSET(fd, &testfds)) { - int trn = 0; - int rn; - - ioctl(fd, FIONREAD, &nread); - - if (fd == sfd) { - if (nread == 0) - exit(0); - ofd = fileno(stdout); - } else { - ofd = sfd; - } - - - - do { - rn = (BUFSIZE < nread - trn) ? BUFSIZE : nread - trn; - trn += rn; - read(fd, ch, rn); - write(ofd, ch, rn); - } - while (trn < nread); - } - } - } -} -- cgit v1.2.3-55-g6feb