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cloud_discovery: add automatic reenrolment of operational certificates

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The daemon will check the vailidity of the operational certificate once and hour.
If the certificate is valid for less than three days, a reenrollment is attempted.
Once the reenroll happened the connection to the cloud controller will be restarted.

Fixes: WIFI-14900
Fixes: WIFI-14694
Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2025-07-31 09:48:10 +02:00
parent 3a8fc316f2
commit d1e4c48617
1 changed files with 24 additions and 0 deletions
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24
feeds/tip/cloud_discovery/files/usr/bin/cloud_discovery
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@@ -27,6 +27,8 @@ let timeouts = {
'validate': 120,
'orphan': 2 * 60 * 60,
interval: 10000,
expiry_interval: 60 * 60 * 1000,
expiry_threshold: 3 * 24 * 60 * 60,
};
ulog_open(ULOG_SYSLOG | ULOG_STDIO, LOG_DAEMON, "cloud_discover");
@@ -329,6 +331,27 @@ let ubus_methods = {
},
};
function expiry_handler() {
let stat = fs.stat('/etc/ucentral/operational.ca');
if (!stat)
return;
let ret = system(`openssl x509 -checkend ${timeouts.expiry_threshold} -noout -in /certificates/operational.pem`);
if (!ret) {
ulog(LOG_INFO, 'checked certificate expiry - all ok\n');
return;
}
ulog(LOG_INFO, 'certificate will expire soon\n');
if (system('/usr/bin/est_client reenroll')) {
ulog(LOG_INFO, 'reenroll failed\n');
return;
}
ulog(LOG_INFO, 'reenroll succeeded\n');
ulog(LOG_INFO, '(re)starting client\n');
system('/etc/init.d/ucentral restart');
}
if (gateway_available()) {
let status = ubus.call('ucentral', 'status');
ulog(LOG_INFO, 'cloud is known\n');
@@ -345,6 +368,7 @@ if (gateway_available()) {
timeouts_load();
interval = uloop.interval(timeouts.interval, interval_handler);
uloop.interval(timeouts.expiry_interval, expiry_handler);
ubus.publish('cloud', ubus_methods);