8884034104
This is a verbatim copy of the files at that stage of the repository that was built from the CVS import. It allows future development to see a bit of recent history, but without carrying around the baggage going back to 1997. If that is really required, git grafts can be used.
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
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$Header: /cvs/src/chrony/addrfilt.h,v 1.6 2002/02/28 23:27:08 richard Exp $
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=======================================================================
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Richard P. Curnow 1997-2002
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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**********************************************************************
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=======================================================================
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Module for providing an authorisation filter on IP addresses
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*/
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#ifndef GOT_ADDRFILT_H
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#define GOT_ADDRFILT_H
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typedef struct ADF_AuthTableInst *ADF_AuthTable;
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typedef enum {
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ADF_SUCCESS,
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ADF_BADSUBNET
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} ADF_Status;
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/* Create a new table. The default rule is deny for everything */
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extern ADF_AuthTable ADF_CreateTable(void);
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/* Allow anything in the supplied subnet, EXCEPT for any more specific
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subnets that are already defined */
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extern ADF_Status ADF_Allow(ADF_AuthTable table,
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unsigned long ip,
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int subnet_bits);
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/* Allow anything in the supplied subnet, overwriting existing
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definitions for any more specific subnets */
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extern ADF_Status ADF_AllowAll(ADF_AuthTable table,
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unsigned long ip,
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int subnet_bits);
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/* Deny anything in the supplied subnet, EXCEPT for any more specific
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subnets that are already defined */
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extern ADF_Status ADF_Deny(ADF_AuthTable table,
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unsigned long ip,
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int subnet_bits);
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/* Deny anything in the supplied subnet, overwriting existing
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definitions for any more specific subnets */
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extern ADF_Status ADF_DenyAll(ADF_AuthTable table,
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unsigned long ip,
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int subnet_bits);
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/* Clear up the table */
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extern void ADF_DestroyTable(ADF_AuthTable table);
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/* Check whether a given IP address is allowed by the rules in
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the table */
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extern int ADF_IsAllowed(ADF_AuthTable table,
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unsigned long ip);
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#endif /* GOT_ADDRFILT_H */
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