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ntp: add support for MS-SNTP authentication in Samba

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Add support for authenticating MS-SNTP responses in Samba (ntp_signd).
Supported is currently only the old MS-SNTP authenticator field. It's
disabled by default. It can be enabled with the --enable-ntp-signd
configure option and the ntpsigndsocket directive, which specifies the
location of the Samba ntp_signd socket.
This commit is contained in:
Miroslav Lichvar
2016-07-27 14:09:32 +02:00
parent 2a8ce63fc7
commit 577aed4842
11 changed files with 514 additions and 12 deletions
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14
conf.c
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@@ -181,6 +181,9 @@ static IPAddr bind_cmd_address4, bind_cmd_address6;
/* Path to the Unix domain command socket. */
static char *bind_cmd_path;
/* Path to Samba (ntp_signd) socket. */
static char *ntp_signd_socket = NULL;
/* Filename to use for storing pid of running chronyd, to prevent multiple
* chronyds being started. */
static char *pidfile;
@@ -361,6 +364,7 @@ CNF_Finalise(void)
Free(leapsec_tz);
Free(logdir);
Free(bind_cmd_path);
Free(ntp_signd_socket);
Free(pidfile);
Free(rtc_device);
Free(rtc_file);
@@ -506,6 +510,8 @@ CNF_ParseLine(const char *filename, int number, char *line)
parse_int(p, &min_sources);
} else if (!strcasecmp(command, "noclientlog")) {
no_client_log = parse_null(p);
} else if (!strcasecmp(command, "ntpsigndsocket")) {
parse_string(p, &ntp_signd_socket);
} else if (!strcasecmp(command, "peer")) {
parse_source(p, NTP_PEER, 0);
} else if (!strcasecmp(command, "pidfile")) {
@@ -1736,6 +1742,14 @@ CNF_GetBindCommandAddress(int family, IPAddr *addr)
/* ================================================== */
char *
CNF_GetNtpSigndSocket(void)
{
return ntp_signd_socket;
}
/* ================================================== */
char *
CNF_GetPidFile(void)
{