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
|
/*
* Dibbler - a portable DHCPv6
*
* authors: Tomasz Mrugalski <thomson@klub.com.pl>
*
* released under GNU GPL v2 licence
*
*/
#include <string.h>
#include "OptVendorData.h"
#include <iostream>
#include <sstream>
#include "Portable.h"
#include "DHCPConst.h"
#include "Logger.h"
#include "hex.h"
#if defined(LINUX) || defined(BSD)
#include <arpa/inet.h>
#endif
using namespace std;
TOptVendorData::TOptVendorData(int type, int enterprise, char * data, int dataLen, TMsg* parent)
:TOpt(type, parent) {
Vendor = enterprise;
VendorData = new char[dataLen];
memcpy(VendorData, data, dataLen);
VendorDataLen = dataLen;
}
TOptVendorData::TOptVendorData(int type, const char * buf, int n, TMsg* parent)
:TOpt(type, parent)
{
if (n<4) {
Log(Warning) << "Unable to parse " << type << "option." << LogEnd;
this->Vendor = 0;
this->VendorData = 0;
this->VendorDataLen = 0;
return;
}
this->Vendor = readUint32(buf); // enterprise number
buf += sizeof(uint32_t);
n -= sizeof(uint32_t);
if (!n) {
this->VendorData = 0;
this->VendorDataLen = 0;
return;
}
if (n) {
this->VendorData = new char[n];
memmove(this->VendorData, buf, n);
} else {
this->VendorData = 0;
}
this->VendorDataLen = n;
}
size_t TOptVendorData::getSize() {
return 8 + VendorDataLen; /* 8 normal header(4) + enterprise (4) */
}
/**
* stores option in a buffer
*
* @param buf option will be stored here
*
* @return pointer to the next unused byte
*/
char * TOptVendorData::storeSelf( char* buf)
{
buf = writeUint16(buf, OptType);
buf = writeUint16(buf, getSize()-4);
buf = writeUint32(buf, this->Vendor);
memmove(buf, this->VendorData, this->VendorDataLen);
buf+=this->VendorDataLen;
return buf;
}
bool TOptVendorData::isValid() const
{
return true;
}
int TOptVendorData::getVendor()
{
return Vendor;
}
char * TOptVendorData::getVendorData()
{
return VendorData;
}
std::string TOptVendorData::getVendorDataPlain()
{
return hexToText((uint8_t*)&VendorData[0], VendorDataLen);
}
int TOptVendorData::getVendorDataLen()
{
return VendorDataLen;
}
|
