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SSH2: enhance logging

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log the time it took for fsockopen to connect and the time it took
for the SSH identification strings to be sent
This commit is contained in:
terrafrost 2024-08-13 21:21:12 -05:00
parent 621c73f7dc
commit 25761222fe
1 changed files with 26 additions and 8 deletions
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34
phpseclib/Net/SSH2.php
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@ -1348,8 +1348,6 @@ class SSH2
$this->curTimeout = $this->timeout;
$this->last_packet = microtime(true);
if (!is_resource($this->fsock)) {
$start = microtime(true);
// with stream_select a timeout of 0 means that no timeout takes place;
@ -1368,12 +1366,21 @@ class SSH2
throw new \RuntimeException('Connection timed out whilst attempting to open socket connection');
}
}
if (defined('NET_SSH2_LOGGING')) {
$this->append_log('(fsockopen took ' . round($elapsed, 4) . 's)', '');
}
}
$this->identifier = $this->generate_identifier();
if ($this->send_id_string_first) {
$start = microtime(true);
fputs($this->fsock, $this->identifier . "\r\n");
$elapsed = round(microtime(true) - $start, 4);
if (defined('NET_SSH2_LOGGING')) {
$this->append_log("-> (network: $elapsed)", $this->identifier . "\r\n");
}
}
/* According to the SSH2 specs,
@ -1384,6 +1391,7 @@ class SSH2
in ISO-10646 UTF-8 [RFC3629] (language is not specified). Clients
MUST be able to process such lines." */
$data = '';
$totalElapsed = 0;
while (!feof($this->fsock) && !preg_match('#(.*)^(SSH-(\d\.\d+).*)#ms', $data, $matches)) {
$line = '';
while (true) {
@ -1400,6 +1408,7 @@ class SSH2
throw new \RuntimeException('Connection timed out whilst receiving server identification string');
}
$elapsed = microtime(true) - $start;
$totalElapsed+= $elapsed;
$this->curTimeout -= $elapsed;
}
@ -1429,6 +1438,10 @@ class SSH2
$data .= $line;
}
if (defined('NET_SSH2_LOGGING')) {
$this->append_log('<- (network: ' . round($totalElapsed, 4) . ')', $line);
}
if (feof($this->fsock)) {
$this->bitmap = 0;
throw new ConnectionClosedException('Connection closed by server');
@ -1436,11 +1449,6 @@ class SSH2
$extra = $matches[1];
if (defined('NET_SSH2_LOGGING')) {
$this->append_log('<-', $matches[0]);
$this->append_log('->', $this->identifier . "\r\n");
}
$this->server_identifier = trim($temp, "\r\n");
if (strlen($extra)) {
$this->errors[] = $data;
@ -1464,8 +1472,15 @@ class SSH2
$this->errorOnMultipleChannels = $match;
if (!$this->send_id_string_first) {
$start = microtime(true);
fputs($this->fsock, $this->identifier . "\r\n");
$elapsed = round(microtime(true) - $start, 4);
if (defined('NET_SSH2_LOGGING')) {
$this->append_log("-> (network: $elapsed)", $this->identifier . "\r\n");
}
}
$this->last_packet = microtime(true);
if (!$this->send_kex_first) {
$response = $this->get_binary_packet_or_close(NET_SSH2_MSG_KEXINIT);
@ -4664,9 +4679,12 @@ class SSH2
{
$output = '';
for ($i = 0; $i < count($message_log); $i++) {
$output .= $message_number_log[$i] . "\r\n";
$output .= $message_number_log[$i];
$current_log = $message_log[$i];
$j = 0;
if (strlen($current_log)) {
$output .= "\r\n";
}
do {
if (strlen($current_log)) {
$output .= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';