74 lines
2.0 KiB
Go
74 lines
2.0 KiB
Go
package pac
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"gopkg.in/jcmturner/rpc.v1/mstypes"
|
|
)
|
|
|
|
// UPNDNSInfo implements https://msdn.microsoft.com/en-us/library/dd240468.aspx
|
|
type UPNDNSInfo struct {
|
|
UPNLength uint16 // An unsigned 16-bit integer in little-endian format that specifies the length, in bytes, of the UPN field.
|
|
UPNOffset uint16 // An unsigned 16-bit integer in little-endian format that contains the offset to the beginning of the buffer, in bytes, from the beginning of the UPN_DNS_INFO structure.
|
|
DNSDomainNameLength uint16
|
|
DNSDomainNameOffset uint16
|
|
Flags uint32
|
|
UPN string
|
|
DNSDomain string
|
|
}
|
|
|
|
const (
|
|
upnNoUPNAttr = 31 // The user account object does not have the userPrincipalName attribute ([MS-ADA3] section 2.349) set. A UPN constructed by concatenating the user name with the DNS domain name of the account domain is provided.
|
|
)
|
|
|
|
// Unmarshal bytes into the UPN_DNSInfo struct
|
|
func (k *UPNDNSInfo) Unmarshal(b []byte) (err error) {
|
|
//The UPN_DNS_INFO structure is a simple structure that is not NDR-encoded.
|
|
r := mstypes.NewReader(bytes.NewReader(b))
|
|
k.UPNLength, err = r.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
k.UPNOffset, err = r.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
k.DNSDomainNameLength, err = r.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
k.DNSDomainNameOffset, err = r.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
k.Flags, err = r.Uint32()
|
|
if err != nil {
|
|
return
|
|
}
|
|
ub := mstypes.NewReader(bytes.NewReader(b[k.UPNOffset : k.UPNOffset+k.UPNLength]))
|
|
db := mstypes.NewReader(bytes.NewReader(b[k.DNSDomainNameOffset : k.DNSDomainNameOffset+k.DNSDomainNameLength]))
|
|
|
|
u := make([]rune, k.UPNLength/2, k.UPNLength/2)
|
|
for i := 0; i < len(u); i++ {
|
|
var r uint16
|
|
r, err = ub.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
u[i] = rune(r)
|
|
}
|
|
k.UPN = string(u)
|
|
d := make([]rune, k.DNSDomainNameLength/2, k.DNSDomainNameLength/2)
|
|
for i := 0; i < len(d); i++ {
|
|
var r uint16
|
|
r, err = db.Uint16()
|
|
if err != nil {
|
|
return
|
|
}
|
|
d[i] = rune(r)
|
|
}
|
|
k.DNSDomain = string(d)
|
|
|
|
return
|
|
}
|