-
Notifications
You must be signed in to change notification settings - Fork 7
/
NIC.go
53 lines (43 loc) · 1.7 KB
/
NIC.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
package main
import (
"fmt"
"time"
)
// NIC contains information about an ethernet station.
type NIC struct {
MAC string `json:"MAC"`
IPs stringSlice `json:"IPs"`
Hostnames stringSlice `json:"Hostnames"`
UserAgents stringSlice `json:"UserAgents"`
Vendor stringSlice `json:"Vendor"`
Applications stringSlice `json:"Applications"`
Seen int `json:"Seen"`
LastSeen time.Time `json:"LastSeen"`
FirstSeen time.Time `json:"FirstSeen"`
}
func mac(addr []byte) string {
if len(addr) == 0 {
return ""
}
mac := fmt.Sprintf("%02x", addr[0])
for i := 1; i < len(addr); i++ {
mac += fmt.Sprintf(":%02x", addr[i])
}
return mac
}
func newNIC(addr []byte) *NIC {
return &NIC{MAC: mac(addr)}
}
func (n *NIC) String() string {
output := ""
output += fmt.Sprintf("[yellow]First seen[reset]: [white]%s[reset] ([white]%s[reset] ago)\n", n.FirstSeen.UTC().String(), time.Since(n.FirstSeen).Round(time.Second).String())
output += fmt.Sprintf("[yellow]Last seen[reset]: [white]%s[reset] ([white]%s[reset] ago)\n", n.LastSeen.UTC().String(), time.Since(n.LastSeen).Round(time.Second).String())
output += fmt.Sprintf("[yellow]Packets[reset]: [white]%d[reset]\n\n", n.Seen)
output += fmt.Sprintf("[yellow]OUI Vendor[reset]: [white]%s[reset]\n", OUIVendor(n.MAC))
output += fmt.Sprintf("[yellow]IPS[reset][reset]: %s\n", n.IPs.String())
output += fmt.Sprintf("[yellow]Hostnames[reset]: %s\n", n.Hostnames.String())
output += fmt.Sprintf("[yellow]User agents[reset]: %s\n", n.UserAgents.String())
output += fmt.Sprintf("[yellow]Vendor[reset]: %s\n", n.Vendor.String())
output += fmt.Sprintf("[yellow]Applications[reset]: %s", n.Applications.String())
return output
}