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Add support for different authentication hashes

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Allow different hash functions to be used in the NTP and cmdmon
protocols. This breaks the cmdmon protocol compatibility. Extended key
file format is used to specify the hash functions for chronyd and new
authhash command is added to chronyc. MD5 is the default and the only
function included in the chrony source code, other functions will be
available from libraries.
This commit is contained in:
Miroslav Lichvar
2011-10-19 13:26:03 +02:00
parent 6015f99d98
commit 777303f130
20 changed files with 473 additions and 329 deletions
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12
ntp_io.c
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@@ -376,13 +376,9 @@ read_from_socket(void *anything)
#endif
}
if (status == NTP_NORMAL_PACKET_SIZE) {
if (status >= NTP_NORMAL_PACKET_SIZE && status <= sizeof(NTP_Packet)) {
NSR_ProcessReceive((NTP_Packet *) &message.ntp_pkt, &now, now_err, &remote_addr);
} else if (status == sizeof(NTP_Packet)) {
NSR_ProcessAuthenticatedReceive((NTP_Packet *) &message.ntp_pkt, &now, now_err, &remote_addr);
NSR_ProcessReceive((NTP_Packet *) &message.ntp_pkt, &now, now_err, &remote_addr, status);
} else {
@@ -523,9 +519,9 @@ NIO_SendNormalPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr)
/* Send an authenticated packet to a given address */
void
NIO_SendAuthenticatedPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr)
NIO_SendAuthenticatedPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr, int auth_len)
{
send_packet((void *) packet, sizeof(NTP_Packet), remote_addr);
send_packet((void *) packet, NTP_NORMAL_PACKET_SIZE + auth_len, remote_addr);
}
/* ================================================== */