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forgejo/vendor/github.com/Azure/go-ntlmssp/varfield.go
6543 e374bb7e2d
[Vendor] Update go-ldap to v3.2.4 (#13163)
* [Vendor] update go-ldap to v3.0.3

* update go-ldap to v3.2.4

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-10-15 15:27:33 -04:00

40 lines
912 B
Go
Vendored

package ntlmssp
import (
"errors"
)
type varField struct {
Len uint16
MaxLen uint16
BufferOffset uint32
}
func (f varField) ReadFrom(buffer []byte) ([]byte, error) {
if len(buffer) < int(f.BufferOffset+uint32(f.Len)) {
return nil, errors.New("Error reading data, varField extends beyond buffer")
}
return buffer[f.BufferOffset : f.BufferOffset+uint32(f.Len)], nil
}
func (f varField) ReadStringFrom(buffer []byte, unicode bool) (string, error) {
d, err := f.ReadFrom(buffer)
if err != nil {
return "", err
}
if unicode { // UTF-16LE encoding scheme
return fromUnicode(d)
}
// OEM encoding, close enough to ASCII, since no code page is specified
return string(d), err
}
func newVarField(ptr *int, fieldsize int) varField {
f := varField{
Len: uint16(fieldsize),
MaxLen: uint16(fieldsize),
BufferOffset: uint32(*ptr),
}
*ptr += fieldsize
return f
}