Radix cross Linux

Index: README
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--- README	(nonexistent)
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+/*	$Slackware: inetd.c 1.79s 2001/02/06 13:18:00 volkerdi Exp $	*/
+/*	$OpenBSD: inetd.c,v 1.79 2001/01/30 08:30:57 deraadt Exp $	*/
+/*	$NetBSD: inetd.c,v 1.11 1996/02/22 11:14:41 mycroft Exp $	*/
+/*
+ * Copyright (c) 1983,1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Inetd - Internet super-server
+ *
+ * This program invokes all internet services as needed.
+ * connection-oriented services are invoked each time a
+ * connection is made, by creating a process.  This process
+ * is passed the connection as file descriptor 0 and is
+ * expected to do a getpeername to find out the source host
+ * and port.
+ *
+ * Datagram oriented services are invoked when a datagram
+ * arrives; a process is created and passed a pending message
+ * on file descriptor 0.  Datagram servers may either connect
+ * to their peer, freeing up the original socket for inetd
+ * to receive further messages on, or ``take over the socket'',
+ * processing all arriving datagrams and, eventually, timing
+ * out.	 The first type of server is said to be ``multi-threaded'';
+ * the second type of server ``single-threaded''. 
+ *
+ * Inetd uses a configuration file which is read at startup
+ * and, possibly, at some later time in response to a hangup signal.
+ * The configuration file is ``free format'' with fields given in the
+ * order shown below.  Continuation lines for an entry must begin with
+ * a space or tab.  All fields must be present in each entry.
+ *
+ *	service name			must be in /etc/services
+ *	socket type			stream/dgram/raw/rdm/seqpacket
+ *	protocol			must be in /etc/protocols
+ *	wait/nowait[.max]		single-threaded/multi-threaded, max #
+ *	user[.group] or user[:group]	user/group to run daemon as
+ *	server program			full path name
+ *	server program arguments	maximum of MAXARGS (20)
+ *
+ * For RPC services
+ *      service name/version            must be in /etc/rpc
+ *	socket type			stream/dgram/raw/rdm/seqpacket
+ *	protocol			must be in /etc/protocols
+ *	wait/nowait[.max]		single-threaded/multi-threaded
+ *	user[.group] or user[:group]	user to run daemon as
+ *	server program			full path name
+ *	server program arguments	maximum of MAXARGS (20)
+ *
+ * For non-RPC services, the "service name" can be of the form
+ * hostaddress:servicename, in which case the hostaddress is used
+ * as the host portion of the address to listen on.  If hostaddress
+ * consists of a single `*' character, INADDR_ANY is used.
+ *
+ * A line can also consist of just
+ *      hostaddress:
+ * where hostaddress is as in the preceding paragraph.  Such a line must
+ * have no further fields; the specified hostaddress is remembered and
+ * used for all further lines that have no hostaddress specified,
+ * until the next such line (or EOF).  (This is why * is provided to
+ * allow explicit specification of INADDR_ANY.)  A line
+ *      *:
+ * is implicitly in effect at the beginning of the file.
+ *
+ * The hostaddress specifier may (and often will) contain dots;
+ * the service name must not.
+ *
+ * For RPC services, host-address specifiers are accepted and will
+ * work to some extent; however, because of limitations in the
+ * portmapper interface, it will not work to try to give more than
+ * one line for any given RPC service, even if the host-address
+ * specifiers are different.
+ *
+ * Comment lines are indicated by a `#' in column 1.
+ */
+
+/*
+ * Here's the scoop concerning the user[.:]group feature:
+ *
+ * 1) set-group-option off.
+ * 
+ * 	a) user = root:	NO setuid() or setgid() is done
+ * 
+ * 	b) other:	setgid(primary group as found in passwd)
+ * 			initgroups(name, primary group)
+ * 			setuid()
+ *
+ * 2) set-group-option on.
+ * 
+ * 	a) user = root:	setgid(specified group)
+ * 			NO initgroups()
+ * 			NO setuid()
+ *
+ * 	b) other:	setgid(specified group)
+ * 			initgroups(name, specified group)
+ * 			setuid()
+ * 
+ */