-
-
Notifications
You must be signed in to change notification settings - Fork 278
/
iphelper.go
77 lines (65 loc) · 2.14 KB
/
iphelper.go
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
// +build windows
package iphelper
import (
"errors"
"fmt"
"github.com/tevino/abool"
"golang.org/x/sys/windows"
)
var (
errInvalid = errors.New("IPHelper not initialzed or broken")
)
type IPHelper struct {
dll *windows.LazyDLL
getExtendedTcpTable *windows.LazyProc
getExtendedUdpTable *windows.LazyProc
// getOwnerModuleFromTcpEntry *windows.LazyProc
// getOwnerModuleFromTcp6Entry *windows.LazyProc
// getOwnerModuleFromUdpEntry *windows.LazyProc
// getOwnerModuleFromUdp6Entry *windows.LazyProc
valid *abool.AtomicBool
}
func New() (*IPHelper, error) {
new := &IPHelper{}
new.valid = abool.NewBool(false)
var err error
// load dll
new.dll = windows.NewLazySystemDLL("iphlpapi.dll")
new.dll.Load()
if err != nil {
return nil, err
}
// load functions
new.getExtendedTcpTable = new.dll.NewProc("GetExtendedTcpTable")
err = new.getExtendedTcpTable.Find()
if err != nil {
return nil, fmt.Errorf("could find proc GetExtendedTcpTable: %s", err)
}
new.getExtendedUdpTable = new.dll.NewProc("GetExtendedUdpTable")
err = new.getExtendedUdpTable.Find()
if err != nil {
return nil, fmt.Errorf("could find proc GetExtendedUdpTable: %s", err)
}
// new.getOwnerModuleFromTcpEntry = new.dll.NewProc("GetOwnerModuleFromTcpEntry")
// err = new.getOwnerModuleFromTcpEntry.Find()
// if err != nil {
// return nil, fmt.Errorf("could find proc GetOwnerModuleFromTcpEntry: %s", err)
// }
// new.getOwnerModuleFromTcp6Entry = new.dll.NewProc("GetOwnerModuleFromTcp6Entry")
// err = new.getOwnerModuleFromTcp6Entry.Find()
// if err != nil {
// return nil, fmt.Errorf("could find proc GetOwnerModuleFromTcp6Entry: %s", err)
// }
// new.getOwnerModuleFromUdpEntry = new.dll.NewProc("GetOwnerModuleFromUdpEntry")
// err = new.getOwnerModuleFromUdpEntry.Find()
// if err != nil {
// return nil, fmt.Errorf("could find proc GetOwnerModuleFromUdpEntry: %s", err)
// }
// new.getOwnerModuleFromUdp6Entry = new.dll.NewProc("GetOwnerModuleFromUdp6Entry")
// err = new.getOwnerModuleFromUdp6Entry.Find()
// if err != nil {
// return nil, fmt.Errorf("could find proc GetOwnerModuleFromUdp6Entry: %s", err)
// }
new.valid.Set()
return new, nil
}