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
|
/*
* Dibbler - a portable DHCPv6
*
* author: Krzysztof Wnuk <keczi@poczta.onet.pl>
*
* released under GNU GPL v2 only licence
*
*/
#include "Portable.h"
#include "DHCPConst.h"
#include "OptIAPrefix.h"
TOptIAPrefix::TOptIAPrefix( char * &buf, int &n, TMsg* parent)
:TOpt(OPTION_IAPREFIX, parent)
{
this->ValidOpt=false;
if (n>=25) // was 24 for IA address
{
this->Pref = ntohl(*((long*)buf));
buf+= 4; n-=4;
this->Valid = ntohl(*((long*)buf));
buf+= 4; n-=4;
this->PrefixLength = *buf;// was ntohl(*((char*)buf));
buf+= 1; n-=1;
this->Prefix=new TIPv6Addr(buf); // was buf
buf+= 16; n-=16;
this->ValidOpt=true;
}
}
TOptIAPrefix::TOptIAPrefix(SmartPtr<TIPv6Addr> prefix, char prefixLength, unsigned long pref, unsigned long valid,
TMsg* parent)
:TOpt(OPTION_IAPREFIX, parent) {
/*if(prefix)
Prefix=prefix;
else*/// we are not checking is prefix is a proper address type,
Prefix=prefix;
this->Pref = pref;
this->Valid = valid;
this->PrefixLength = prefixLength;
}
int TOptIAPrefix::getSize() {
int mySize = 29; // was 28 for Option IAAddress so, this should be 29, no idea why
return mySize+getSubOptSize();
}
void TOptIAPrefix::setPref(unsigned long pref) {
this->Pref = pref;
}
void TOptIAPrefix::setValid(unsigned long valid) {
this->Valid = valid;
}
void TOptIAPrefix::setPrefixLenght(char prefix_length){
this->PrefixLength = prefix_length;
}
char * TOptIAPrefix::storeSelf( char* buf)
{
*(uint16_t*)buf = htons(OptType);
buf+=2;
*(uint16_t*)buf = htons( getSize()-4 );
buf+=2;
*(uint32_t*)buf = htonl(Pref);
buf+=4;
*(uint32_t*)buf = htonl(Valid);
buf+=4;
*(char*)buf = PrefixLength;
buf+=1;
memcpy(buf,Prefix->getAddr(),16);
buf+=16;
buf=storeSubOpt(buf);
return buf;
}
SmartPtr<TIPv6Addr> TOptIAPrefix::getPrefix()
{
return this->Prefix;
}
unsigned long TOptIAPrefix::getPref()
{
return this->Pref;
}
unsigned long TOptIAPrefix::getValid()
{
return this->Valid;
}
char TOptIAPrefix::getPrefixLength(){
return this->PrefixLength;
}
bool TOptIAPrefix::isValid()
{
return this->ValidOpt;
}
|
