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ntp: add support for sending KoD responses

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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.
This commit is contained in:
Miroslav Lichvar
2019-11-07 14:57:52 +01:00
parent 46cac4e22f
commit aca1daf7c9
3 changed files with 31 additions and 13 deletions
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7
ntp_auth.c
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@@ -336,8 +336,10 @@ NAU_ParsePacket(NTP_Packet *packet, NTP_PacketInfo *info)
/* ================================================== */
int
NAU_CheckRequestAuth(NTP_Packet *request, NTP_PacketInfo *info)
NAU_CheckRequestAuth(NTP_Packet *request, NTP_PacketInfo *info, uint32_t *kod)
{
*kod = 0;
switch (info->auth.mode) {
case NTP_AUTH_NONE:
break;
@@ -368,7 +370,8 @@ NAU_AdjustResponseTimestamp(NTP_Packet *request, NTP_PacketInfo *info, struct ti
int
NAU_GenerateResponseAuth(NTP_Packet *request, NTP_PacketInfo *request_info,
NTP_Packet *response, NTP_PacketInfo *response_info,
NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr)
NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
uint32_t kod)
{
switch (request_info->auth.mode) {
case NTP_AUTH_NONE: