OpenDNSSEC-enforcer  1.3.14
ksm_policy_value.c
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1 /*
2  * $Id: ksm_policy_value.c 1841 2009-09-22 10:43:03Z sion $
3  *
4  * Copyright (c) 2008-2009 Nominet UK. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
21  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
23  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
25  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 /*+
30  * KsmPolicyValue - Return Values of Parameters
31  *
32  * Abstract:
33  * This set of functions encapsulates the parameter collection object.
34  * It provides functions for extracting parameters - and derived
35  * parameters - from that object.
36 -*/
37 
38 #include "ksm/ksm.h"
39 #include "ksm/ksmdef.h"
40 #include "ksm/message.h"
41 
42 #define max(x,y) ((x) > (y) ? (x) : (y))
43 #define min(x,y) ((x) < (y) ? (x) : (y))
44 
45 
46 /*+
47  * KsmParameterXxxxx - Return Parameter Xxxx
48  *
49  * Description:
50  * Returns the value of the named parameter from the object. In some
51  * cases, these values are derived from other parameters.
52  *
53  * Arguments:
54  * KSM_PARCOLL* collection
55  * Parameter collection object.
56  *
57  * Returns:
58  * int
59  * Value of the parameter.
60 -*/
61 
63 {
64  /* check the argument */
65  if (policy == NULL) {
66  MsgLog(KSM_INVARG, "NULL policy");
67  return -1;
68  }
69  return policy->clockskew;
70 }
71 
73 {
74  /* check the argument */
75  if (policy == NULL) {
76  MsgLog(KSM_INVARG, "NULL policy");
77  return -1;
78  }
79  return policy->lifetime;
80 }
81 
83 {
84  /* check the argument */
85  if (policy == NULL) {
86  MsgLog(KSM_INVARG, "NULL policy");
87  return -1;
88  }
89  return policy->overlap;
90 }
91 
93 {
94  /* check the argument */
95  if (policy == NULL) {
96  MsgLog(KSM_INVARG, "NULL policy");
97  return -1;
98  }
99  return policy->propdelay;
100 }
101 
102 /*int KsmParameterSigningInterval(KSM_PARCOLL* collection)
103 //{
104 // return collection->signint;
105 }*/
106 
108 {
109  /* check the argument */
110  if (policy == NULL) {
111  MsgLog(KSM_INVARG, "NULL policy");
112  return -1;
113  }
114  return policy->soamin;
115 }
116 
118 {
119  /* check the argument */
120  if (policy == NULL) {
121  MsgLog(KSM_INVARG, "NULL policy");
122  return -1;
123  }
124  return policy->soattl;
125 }
126 
128 {
129  /* check the argument */
130  if (policy == NULL) {
131  MsgLog(KSM_INVARG, "NULL policy");
132  return -1;
133  }
134  return policy->ttl;
135 }
136 
137 /*
138  * Initial publication interval
139  */
141 {
142  int ncache; /* Negative cache time */
143  int pubint; /* Publication interval */
144 
145  /* check the argument */
146  if (policy == NULL) {
147  MsgLog(KSM_INVARG, "NULL policy");
148  return -1;
149  }
150  ncache = min(policy->signer->soattl, policy->signer->soamin);
151  pubint = max(policy->zsk->ttl, ncache) + policy->signer->propdelay;
152 
153  return pubint;
154 }