DWS/chrony
1
0
Fork 0
mirror of https://gitlab.com/chrony/chrony.git synced 2025-12-03 17:35:06 -05:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'bu'

Browse Source
This commit is contained in:
Richard P. Curnow
2007-06-26 23:51:18 +01:00
parent 215d988286 4ba843f8f4
commit b6e40dbde7
3 changed files with 32 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
ntp_core.c
View File

@@ -196,6 +196,9 @@ struct NCR_Instance_Record {
/* Maximum allowed stratum */
#define NTP_MAX_STRATUM 15
/* INVALID or Unkown stratum from external server as per the NTP 4 docs */
#define NTP_INVALID_STRATUM 0
/* ================================================== */
static ADF_AuthTable access_auth_table;
@@ -539,7 +542,13 @@ transmit_packet(NTP_Mode my_mode, /* The mode this machine wants to be */
/* Generate transmit packet */
message.lvm = ((leap << 6) &0xc0) | ((version << 3) & 0x38) | (my_mode & 0x07);
message.stratum = our_stratum;
if (our_stratum <= NTP_MAX_STRATUM) {
message.stratum = our_stratum;
} else {
/* (WGU) to handle NTP "Invalid" stratum as per the NTP V4 documents. */
message.stratum = NTP_INVALID_STRATUM;
}
message.poll = my_poll;
message.precision = LCL_GetSysPrecisionAsLog();
@@ -983,6 +992,12 @@ receive_packet(NTP_Packet *message, struct timeval *now, NCR_Instance inst, int
test6 = 1; /* Succeeded */
}
/* (WGU) Set stratum to greater than any valid if incoming is 0 */
/* as per the NPT v4 documentation*/
if (message->stratum <= NTP_INVALID_STRATUM) {
message->stratum = NTP_MAX_STRATUM + 1;
}
/* Test 7 checks that the stratum in the packet is appropriate */
if ((message->stratum > REF_GetOurStratum()) ||
(message->stratum > NTP_MAX_STRATUM)) {