Commit Graph

5 Commits

Author SHA1 Message Date
Miroslav Lichvar
7661a6e95b ntp: don't allow long MACs in NTPv4 packets with extension fields
MAC longer than 24 octets in NTPv4 packet is supported only for
compatibility with some pre-RFC7822 chrony versions. They didn't use
any extension fields.
2020-03-05 16:02:15 +01:00
Miroslav Lichvar
aca1daf7c9 ntp: add support for sending KoD responses
Enable the server to respond with a KoD when authentication fails. This
will be used by NTS to respond with a NAK when a client has expired
cookies.
2020-03-05 16:02:15 +01:00
Miroslav Lichvar
46cac4e22f ntp: prefix NTP_AuthMode enums 2020-03-05 16:02:15 +01:00
Miroslav Lichvar
56a102ed4d ntp: move auth parsing to ntp_auth
Move the remaining authentication-specific code to the new file.
2020-03-05 16:02:15 +01:00
Miroslav Lichvar
ca28dbd2c3 ntp: refactor authentication
Move most of the authentication-specific code to a new file and
introduce authenticator instances in order to support other
authentication mechanisms (e.g. NTS).
2020-03-05 16:02:15 +01:00