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mirror of https://github.com/Yubico/yubikey-val.git synced 2025-02-08 03:54:20 +01:00

Cosmetic changes.

- spaces -> tabs
This commit is contained in:
Jean Paul Galea 2015-07-16 23:53:08 +02:00
parent f5099b682d
commit 365636e34a

View File

@ -34,7 +34,7 @@ require_once 'ykval-synclib.php';
header('content-type: text/plain');
if (empty($_SERVER['QUERY_STRING'])) {
sendResp(S_MISSING_PARAMETER, $myLog);
sendResp(S_MISSING_PARAMETER, $myLog);
}
$ipaddr = $_SERVER['REMOTE_ADDR'];
@ -48,9 +48,9 @@ $myLog->log(LOG_DEBUG, 'Received request from ' . $ipaddr);
// verify request sent by whitelisted address
if (in_array($ipaddr, $allowed, TRUE) === FALSE) {
$myLog->log(LOG_NOTICE, 'Operation not allowed from IP ' . $ipaddr);
$myLog->log(LOG_DEBUG, 'Remote IP ' . $ipaddr . ' not listed in allowed sync pool : ' . implode(', ', $allowed));
sendResp(S_OPERATION_NOT_ALLOWED, $myLog);
$myLog->log(LOG_NOTICE, 'Operation not allowed from IP ' . $ipaddr);
$myLog->log(LOG_DEBUG, 'Remote IP ' . $ipaddr . ' not listed in allowed sync pool : ' . implode(', ', $allowed));
sendResp(S_OPERATION_NOT_ALLOWED, $myLog);
}
@ -58,21 +58,21 @@ $sync = new SyncLib('ykval-sync:synclib');
$sync->addField('ip', $ipaddr);
if (! $sync->isConnected()) {
sendResp(S_BACKEND_ERROR, $myLog);
sendResp(S_BACKEND_ERROR, $myLog);
}
#
# Define requirements on protocol
#
$syncParams = array(
'modified' => NULL,
'otp' => NULL,
'nonce' => NULL,
'yk_publicname' => NULL,
'yk_counter' => NULL,
'yk_use' => NULL,
'yk_high' => NULL,
'yk_low' => NULL
'modified' => NULL,
'otp' => NULL,
'nonce' => NULL,
'yk_publicname' => NULL,
'yk_counter' => NULL,
'yk_use' => NULL,
'yk_high' => NULL,
'yk_low' => NULL
);
#
@ -80,13 +80,13 @@ $syncParams = array(
#
$tmp_log = "Received ";
foreach ($syncParams as $param=>$value) {
$value = getHttpVal($param, NULL);
if ($value==NULL) {
$myLog->log(LOG_NOTICE, "Received request with parameter[s] (" . $param . ") missing value");
sendResp(S_MISSING_PARAMETER, $myLog);
}
$syncParams[$param] = $value;
$tmp_log .= "$param=$value ";
$value = getHttpVal($param, NULL);
if ($value==NULL) {
$myLog->log(LOG_NOTICE, "Received request with parameter[s] (" . $param . ") missing value");
sendResp(S_MISSING_PARAMETER, $myLog);
}
$syncParams[$param] = $value;
$tmp_log .= "$param=$value ";
}
$myLog->log(LOG_INFO, $tmp_log);
@ -101,16 +101,16 @@ $sync->addField('otp', $syncParams['otp']);
#
foreach (array('modified','yk_counter', 'yk_use', 'yk_high', 'yk_low') as $param)
{
// -1 is valid except for modified
if ($param !== 'modified' && $syncParams[$param] === '-1')
continue;
// -1 is valid except for modified
if ($param !== 'modified' && $syncParams[$param] === '-1')
continue;
// [0-9]+
if ($syncParams[$param] !== '' && ctype_digit($syncParams[$param]))
continue;
// [0-9]+
if ($syncParams[$param] !== '' && ctype_digit($syncParams[$param]))
continue;
$myLog->log(LOG_NOTICE, 'Input parameters ' . $param . ' not correct');
sendResp(S_MISSING_PARAMETER, $myLog);
$myLog->log(LOG_NOTICE, 'Input parameters ' . $param . ' not correct');
sendResp(S_MISSING_PARAMETER, $myLog);
}
#
@ -119,8 +119,8 @@ foreach (array('modified','yk_counter', 'yk_use', 'yk_high', 'yk_low') as $param
$yk_publicname = $syncParams['yk_publicname'];
$localParams = $sync->getLocalParams($yk_publicname);
if (!$localParams) {
$myLog->log(LOG_NOTICE, 'Invalid Yubikey ' . $yk_publicname);
sendResp(S_BACKEND_ERROR, $myLog);
$myLog->log(LOG_NOTICE, 'Invalid Yubikey ' . $yk_publicname);
sendResp(S_BACKEND_ERROR, $myLog);
}
/* Conditional update local database */
@ -135,50 +135,50 @@ $myLog->log(LOG_DEBUG, 'Sync request params ', $syncParams);
*/
if ($sync->countersHigherThan($localParams, $syncParams)) {
$myLog->log(LOG_WARNING, 'Remote server out of sync.');
$myLog->log(LOG_WARNING, 'Remote server out of sync.');
}
if ($sync->countersEqual($localParams, $syncParams)) {
if ($syncParams['modified'] == $localParams['modified'] && $syncParams['nonce'] == $localParams['nonce']) {
/* This is not an error. When the remote server received an OTP to verify, it would
* have sent out sync requests immediately. When the required number of responses had
* been received, the current implementation discards all additional responses (to
* return the result to the client as soon as possible). If our response sent last
* time was discarded, we will end up here when the background ykval-queue processes
* the sync request again.
*/
$myLog->log(LOG_INFO, 'Sync request unnecessarily sent');
}
if ($syncParams['modified'] == $localParams['modified'] && $syncParams['nonce'] == $localParams['nonce']) {
/* This is not an error. When the remote server received an OTP to verify, it would
* have sent out sync requests immediately. When the required number of responses had
* been received, the current implementation discards all additional responses (to
* return the result to the client as soon as possible). If our response sent last
* time was discarded, we will end up here when the background ykval-queue processes
* the sync request again.
*/
$myLog->log(LOG_INFO, 'Sync request unnecessarily sent');
}
if ($syncParams['modified'] != $localParams['modified'] && $syncParams['nonce'] == $localParams['nonce']) {
$deltaModified = $syncParams['modified'] - $localParams['modified'];
if ($deltaModified < -1 || $deltaModified > 1) {
$myLog->log(LOG_WARNING, 'We might have a replay. 2 events at different times have generated the same counters. The time difference is ' . $deltaModified . ' seconds');
}
}
if ($syncParams['modified'] != $localParams['modified'] && $syncParams['nonce'] == $localParams['nonce']) {
$deltaModified = $syncParams['modified'] - $localParams['modified'];
if ($deltaModified < -1 || $deltaModified > 1) {
$myLog->log(LOG_WARNING, 'We might have a replay. 2 events at different times have generated the same counters. The time difference is ' . $deltaModified . ' seconds');
}
}
if ($syncParams['nonce'] != $localParams['nonce']) {
$myLog->log(LOG_WARNING, 'Remote server has received a request to validate an already validated OTP ');
}
if ($syncParams['nonce'] != $localParams['nonce']) {
$myLog->log(LOG_WARNING, 'Remote server has received a request to validate an already validated OTP ');
}
}
if ($localParams['active'] != 1) {
/* The remote server has accepted an OTP from a YubiKey which we would not.
* We still needed to update our counters with the counters from the OTP though.
*/
$myLog->log(LOG_WARNING, 'Received sync-request for de-activated Yubikey ' . $yk_publicname . ' - check database synchronization!!!');
sendResp(S_BAD_OTP, $myLog);
/* The remote server has accepted an OTP from a YubiKey which we would not.
* We still needed to update our counters with the counters from the OTP though.
*/
$myLog->log(LOG_WARNING, 'Received sync-request for de-activated Yubikey ' . $yk_publicname . ' - check database synchronization!!!');
sendResp(S_BAD_OTP, $myLog);
}
$extra = array(
'modified' => $localParams['modified'],
'nonce' => $localParams['nonce'],
'yk_publicname' => $yk_publicname,
'yk_counter' => $localParams['yk_counter'],
'yk_use' => $localParams['yk_use'],
'yk_high' => $localParams['yk_high'],
'yk_low' => $localParams['yk_low']
'modified' => $localParams['modified'],
'nonce' => $localParams['nonce'],
'yk_publicname' => $yk_publicname,
'yk_counter' => $localParams['yk_counter'],
'yk_use' => $localParams['yk_use'],
'yk_high' => $localParams['yk_high'],
'yk_low' => $localParams['yk_low']
);
sendResp(S_OK, $myLog, '', $extra);