1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <config.h>
#include <string>
#include <boost/lexical_cast.hpp>
#include <exceptions/exceptions.h>
#include <util/buffer.h>
#include <dns/name.h>
#include <dns/messagerenderer.h>
#include <dns/rdata.h>
#include <dns/rdataclass.h>
using namespace std;
using namespace boost;
using namespace isc::util;
// BEGIN_ISC_NAMESPACE
// BEGIN_RDATA_NAMESPACE
SOA::SOA(InputBuffer& buffer, size_t) :
mname_(buffer), rname_(buffer)
{
// we don't need rdata_len for parsing. if necessary, the caller will
// check consistency.
buffer.readData(numdata_, sizeof(numdata_));
}
SOA::SOA(const string& soastr) :
mname_("."), rname_(".") // quick hack workaround
{
istringstream iss(soastr);
string token;
iss >> token;
if (iss.bad() || iss.fail()) {
isc_throw(InvalidRdataText, "Invalid SOA MNAME");
}
mname_ = Name(token);
iss >> token;
if (iss.bad() || iss.fail()) {
isc_throw(InvalidRdataText, "Invalid SOA RNAME");
}
rname_ = Name(token);
uint32_t serial, refresh, retry, expire, minimum;
iss >> serial >> refresh >> retry >> expire >> minimum;
if (iss.rdstate() != ios::eofbit) {
isc_throw(InvalidRdataText, "Invalid SOA format");
}
OutputBuffer buffer(20);
buffer.writeUint32(serial);
buffer.writeUint32(refresh);
buffer.writeUint32(retry);
buffer.writeUint32(expire);
buffer.writeUint32(minimum);
memcpy(numdata_, buffer.getData(), buffer.getLength());
}
SOA::SOA(const Name& mname, const Name& rname, uint32_t serial,
uint32_t refresh, uint32_t retry, uint32_t expire, uint32_t minimum) :
mname_(mname), rname_(rname)
{
OutputBuffer b(20);
b.writeUint32(serial);
b.writeUint32(refresh);
b.writeUint32(retry);
b.writeUint32(expire);
b.writeUint32(minimum);
assert(b.getLength() == sizeof(numdata_));
memcpy(numdata_, b.getData(), sizeof(numdata_));
}
SOA::SOA(const SOA& other) :
Rdata(), mname_(other.mname_), rname_(other.rname_)
{
memcpy(numdata_, other.numdata_, sizeof(numdata_));
}
void
SOA::toWire(OutputBuffer& buffer) const {
mname_.toWire(buffer);
rname_.toWire(buffer);
buffer.writeData(numdata_, sizeof(numdata_));
}
void
SOA::toWire(MessageRenderer& renderer) const {
renderer.writeName(mname_);
renderer.writeName(rname_);
renderer.writeData(numdata_, sizeof(numdata_));
}
string
SOA::toText() const {
InputBuffer b(numdata_, sizeof(numdata_));
uint32_t serial = b.readUint32();
uint32_t refresh = b.readUint32();
uint32_t retry = b.readUint32();
uint32_t expire = b.readUint32();
uint32_t minimum = b.readUint32();
return (mname_.toText() + " " + rname_.toText() + " " +
lexical_cast<string>(serial) + " " +
lexical_cast<string>(refresh) + " " +
lexical_cast<string>(retry) + " " +
lexical_cast<string>(expire) + " " +
lexical_cast<string>(minimum));
}
int
SOA::compare(const Rdata& other) const {
const SOA& other_soa = dynamic_cast<const SOA&>(other);
int order = compareNames(mname_, other_soa.mname_);
if (order != 0) {
return (order);
}
order = compareNames(rname_, other_soa.rname_);
if (order != 0) {
return (order);
}
return (memcmp(numdata_, other_soa.numdata_, sizeof(numdata_)));
}
// END_RDATA_NAMESPACE
// END_ISC_NAMESPACE
|
