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HardenedBSD/usr.sbin/ypserv/yp_extern.h

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Import the new, non-GPL ypserv, written by yours truly. Functionally equivalent to the old ypserv, except that it doesn't support the -p [port] option to force the server to use a particular port. The server stubs and yp.h header file are auto-generated from the yp.x protocol definition file. The auto-generated XDR routines in libc/yp are also used. The database access code has been broken out into a seperate module so that other NIS utilities (ypxfr in particular) can use it. Note that the old mknetid script is being temporarily moved here; it will be replaced by an mknetid program which will eventually have a home under /usr/src/libexec. (The existing script is actually somewhat broken -- it doesn't handle hosts -- but this isn't a big deal at this point since the netid.byname map is really only useful fopr Secure RPC, which we don't have yet.)
1995-12-16 21:54:17 +01:00
/*
* Copyright (c) 1995
* Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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.
*
Add real securenets support. By default, ypserv now uses /var/yp/securenets in the same was as the SunOS ypserv (same format, described in ypserv man page). If the user wants tcpwrapper style access control, they can recompile ypserv to use that instead. This way we get securenets without having to ship libwrap.a and tcpd.h with core FreeBSD distribution. If /var/yp/securenets doesn't exist, ypserv allows all connections.
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* $Id: yp_extern.h,v 1.2 1995/12/23 21:35:30 wpaul Exp $
Import the new, non-GPL ypserv, written by yours truly. Functionally equivalent to the old ypserv, except that it doesn't support the -p [port] option to force the server to use a particular port. The server stubs and yp.h header file are auto-generated from the yp.x protocol definition file. The auto-generated XDR routines in libc/yp are also used. The database access code has been broken out into a seperate module so that other NIS utilities (ypxfr in particular) can use it. Note that the old mknetid script is being temporarily moved here; it will be replaced by an mknetid program which will eventually have a home under /usr/src/libexec. (The existing script is actually somewhat broken -- it doesn't handle hosts -- but this isn't a big deal at this point since the netid.byname map is really only useful fopr Secure RPC, which we don't have yet.)
1995-12-16 21:54:17 +01:00
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <limits.h>
#include <db.h>
#include <rpc/rpc.h>
#ifndef _PATH_YP
#define _PATH_YP "/var/yp/"
#endif
#ifndef _PATH_LIBEXEC
#define _PATH_LIBEXEC "/usr/libexec/"
#endif
#ifndef MAX_CHILDREN
#define MAX_CHILDREN 20
#endif
/*
* External functions and variables.
*/
extern int debug;
A few small tweaks related to ypxfr: - Add a ypxfr_callback() function that we can use to signal failure to yppush(8) in the event that we can't fork()/exec() ypxfr(8). yppush only checks the return status from YPPROC_XFR enough to determine that the RPC succeded: it relies on its callback service to figure out whether or not the transfer actually worked. - Give yp_dblookup.c its own debug variable (ypdb_debug) so that DB access debugging messages can be turned on or off independent of the program's global debug messages. - Have the Makefile rpcgen the ypushresp_xfr_1() client stub for us and nuke the unneeded rule for yp_xdr.c that I left in by mistake (the XDR filters live in libc now).
1995-12-23 22:35:35 +01:00
extern int ypdb_debug;
Import the new, non-GPL ypserv, written by yours truly. Functionally equivalent to the old ypserv, except that it doesn't support the -p [port] option to force the server to use a particular port. The server stubs and yp.h header file are auto-generated from the yp.x protocol definition file. The auto-generated XDR routines in libc/yp are also used. The database access code has been broken out into a seperate module so that other NIS utilities (ypxfr in particular) can use it. Note that the old mknetid script is being temporarily moved here; it will be replaced by an mknetid program which will eventually have a home under /usr/src/libexec. (The existing script is actually somewhat broken -- it doesn't handle hosts -- but this isn't a big deal at this point since the netid.byname map is really only useful fopr Secure RPC, which we don't have yet.)
1995-12-16 21:54:17 +01:00
extern int do_dns;
extern int children;
extern char *progname;
extern char *yp_dir;
extern int yp_errno;
extern void yp_error __P((const char *, ...));
extern int yp_get_record __P(( const char *, const char *, const DBT *, DBT *, int));
extern int yp_first_record __P((const DB *, DBT *, DBT *));
extern int yp_next_record __P((const DB *, DBT *, DBT *, int));
extern char *yp_dnsname __P(( char * ));
extern char *yp_dnsaddr __P(( const char * ));
extern int yp_access __P((const char *, const struct svc_req * ));
extern int yp_validdomain __P((const char * ));
extern DB *yp_open_db __P(( const char *, const char *));
Add real securenets support. By default, ypserv now uses /var/yp/securenets in the same was as the SunOS ypserv (same format, described in ypserv man page). If the user wants tcpwrapper style access control, they can recompile ypserv to use that instead. This way we get securenets without having to ship libwrap.a and tcpd.h with core FreeBSD distribution. If /var/yp/securenets doesn't exist, ypserv allows all connections.
1996-02-24 23:01:48 +01:00
extern void load_securenets __P(( void ));
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