777303f130
Allow different hash functions to be used in the NTP and cmdmon protocols. This breaks the cmdmon protocol compatibility. Extended key file format is used to specify the hash functions for chronyd and new authhash command is added to chronyc. MD5 is the default and the only function included in the chrony source code, other functions will be available from libraries.
101 lines
3.9 KiB
C
101 lines
3.9 KiB
C
/*
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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=======================================================================
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Header file for the main NTP protocol engine
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*/
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#ifndef GOT_NTP_CORE_H
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#define GOT_NTP_CORE_H
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#include "sysincl.h"
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#include "addressing.h"
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#include "srcparams.h"
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#include "ntp.h"
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#include "reports.h"
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typedef enum {
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NTP_SERVER, NTP_PEER
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} NTP_Source_Type;
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/* This is a private data type used for storing the instance record for
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each source that we are chiming with */
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typedef struct NCR_Instance_Record *NCR_Instance;
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/* Init and fini functions */
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extern void NCR_Initialise(void);
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extern void NCR_Finalise(void);
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/* Get a new instance for a server or peer */
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extern NCR_Instance NCR_GetInstance(NTP_Remote_Address *remote_addr, NTP_Source_Type type, SourceParameters *params);
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/* Destroy an instance */
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extern void NCR_DestroyInstance(NCR_Instance instance);
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/* This routine is called when a new packet arrives off the network,
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and it relates to a source we have an ongoing protocol exchange with */
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extern void NCR_ProcessKnown(NTP_Packet *message, struct timeval *now, double now_err, NCR_Instance data, int length);
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/* This routine is called when a new packet arrives off the network,
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and we do not recognize its source */
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extern void NCR_ProcessUnknown(NTP_Packet *message, struct timeval *now, double now_err, NTP_Remote_Address *remote_addr, int length);
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/* Slew receive and transmit times in instance records */
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extern void NCR_SlewTimes(NCR_Instance inst, struct timeval *when, double dfreq, double doffset);
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/* Take a particular source online (i.e. start sampling it) */
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extern void NCR_TakeSourceOnline(NCR_Instance inst);
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/* Take a particular source offline (i.e. stop sampling it, without
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marking it unreachable in the source selection stuff) */
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extern void NCR_TakeSourceOffline(NCR_Instance inst);
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extern void NCR_ModifyMinpoll(NCR_Instance inst, int new_minpoll);
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extern void NCR_ModifyMaxpoll(NCR_Instance inst, int new_maxpoll);
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extern void NCR_ModifyMaxdelay(NCR_Instance inst, double new_max_delay);
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extern void NCR_ModifyMaxdelayratio(NCR_Instance inst, double new_max_delay_ratio);
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extern void NCR_ModifyMaxdelaydevratio(NCR_Instance inst, double new_max_delay_dev_ratio);
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extern void NCR_ModifyMinstratum(NCR_Instance inst, int new_min_stratum);
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extern void NCR_ModifyPolltarget(NCR_Instance inst, int new_poll_target);
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extern void NCR_InitiateSampleBurst(NCR_Instance inst, int n_good_samples, int n_total_samples);
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extern void NCR_ReportSource(NCR_Instance inst, RPT_SourceReport *report, struct timeval *now);
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extern int NCR_AddAccessRestriction(IPAddr *ip_addr, int subnet_bits, int allow, int all);
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extern int NCR_CheckAccessRestriction(IPAddr *ip_addr);
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extern void NCR_IncrementActivityCounters(NCR_Instance inst, int *online, int *offline,
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int *burst_online, int *burst_offline);
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extern NTP_Remote_Address *NCR_GetRemoteAddress(NCR_Instance instance);
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extern int NCR_IsSyncPeer(NCR_Instance instance);
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#endif /* GOT_NTP_CORE_H */
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