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Merge branch 'PHP-8.1'

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This commit is contained in:
Jakub Zelenka 2022-08-29 14:41:31 +01:00
commit 869ccf17f6
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GPG Key ID: 1C0779DC5C0A9DE4
8 changed files with 278 additions and 9 deletions
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4
sapi/fpm/fpm/fpm_conf.c
View File

@ -1303,6 +1303,10 @@ static int fpm_conf_post_process(int force_daemon) /* {{{ */
fpm_evaluate_full_path(&fpm_global_config.error_log, NULL, PHP_LOCALSTATEDIR, 0);
}
if (0 > fpm_stdio_save_original_stderr()) {
return -1;
}
if (0 > fpm_stdio_open_error_log(0)) {
return -1;
}

8
sapi/fpm/fpm/fpm_events.c
View File

@ -104,6 +104,11 @@ static void fpm_got_signal(struct fpm_event_s *ev, short which, void *arg) /* {{
break;
case '1' : /* SIGUSR1 */
zlog(ZLOG_DEBUG, "received SIGUSR1");
/* fpm_stdio_init_final tied STDERR fd with error_log fd. This affects logging to the
* access.log if it was configured to write to the stderr. Check #8885. */
fpm_stdio_restore_original_stderr(0);
if (0 == fpm_stdio_open_error_log(1)) {
zlog(ZLOG_NOTICE, "error log file re-opened");
} else {
@ -118,6 +123,9 @@ static void fpm_got_signal(struct fpm_event_s *ev, short which, void *arg) /* {{
}
/* else no access log are set */
/* We need to tie stderr with error_log in the master process after log files reload. Check #8885. */
fpm_stdio_redirect_stderr_to_error_log();
break;
case '2' : /* SIGUSR2 */
zlog(ZLOG_DEBUG, "received SIGUSR2");

4
sapi/fpm/fpm/fpm_process_ctl.c
View File

@ -18,6 +18,7 @@
#include "fpm_worker_pool.h"
#include "fpm_scoreboard.h"
#include "fpm_sockets.h"
#include "fpm_stdio.h"
#include "zlog.h"
@ -99,6 +100,9 @@ static void fpm_pctl_exec(void)
);
fpm_cleanups_run(FPM_CLEANUP_PARENT_EXEC);
fpm_stdio_restore_original_stderr(1);
execvp(saved_argv[0], saved_argv);
zlog(ZLOG_SYSERROR, "failed to reload: execvp() failed");
exit(FPM_EXIT_SOFTWARE);

66
sapi/fpm/fpm/fpm_stdio.c
View File

@ -20,6 +20,7 @@
#include "fpm_stdio.h"
#include "zlog.h"
static int fd_stderr_original = -1;
static int fd_stdout[2];
static int fd_stderr[2];
@ -60,6 +61,53 @@ static inline int fpm_use_error_log(void) {
}
int fpm_stdio_init_final(void)
{
if (0 > fpm_stdio_redirect_stderr_to_error_log() ||
0 > fpm_stdio_redirect_stderr_to_dev_null_for_syslog()) {
return -1;
}
zlog_set_launched();
return 0;
}
/* }}} */
int fpm_stdio_save_original_stderr(void)
{
/* php-fpm loses STDERR fd after call of the fpm_stdio_init_final(). Check #8555. */
zlog(ZLOG_DEBUG, "saving original STDERR fd: dup()");
fd_stderr_original = dup(STDERR_FILENO);
if (0 > fd_stderr_original) {
zlog(ZLOG_SYSERROR, "failed to save original STDERR fd, access.log records may appear in error_log: dup()");
return -1;
}
return 0;
}
int fpm_stdio_restore_original_stderr(int close_after_restore)
{
/* php-fpm loses STDERR fd after call of the fpm_stdio_init_final(). Check #8555. */
if (-1 != fd_stderr_original) {
zlog(ZLOG_DEBUG, "restoring original STDERR fd: dup2()");
if (0 > dup2(fd_stderr_original, STDERR_FILENO)) {
zlog(ZLOG_SYSERROR, "failed to restore original STDERR fd, access.log records may appear in error_log: dup2()");
return -1;
} else {
if (close_after_restore) {
close(fd_stderr_original);
}
}
} else {
zlog(ZLOG_DEBUG, "original STDERR fd is not restored, maybe function is called from a child: dup2()");
return -1;
}
return 0;
}
int fpm_stdio_redirect_stderr_to_error_log(void)
{
if (fpm_use_error_log()) {
/* prevent duping if logging to syslog */
@ -67,18 +115,26 @@ int fpm_stdio_init_final(void)
/* there might be messages to stderr from other parts of the code, we need to log them all */
if (0 > dup2(fpm_globals.error_log_fd, STDERR_FILENO)) {
zlog(ZLOG_SYSERROR, "failed to init stdio: dup2()");
zlog(ZLOG_SYSERROR, "failed to tie stderr fd with error_log fd: dup2()");
return -1;
}
}
}
return 0;
}
int fpm_stdio_redirect_stderr_to_dev_null_for_syslog(void)
{
if (fpm_use_error_log()) {
#ifdef HAVE_SYSLOG_H
else if (fpm_globals.error_log_fd == ZLOG_SYSLOG) {
if (fpm_globals.error_log_fd == ZLOG_SYSLOG) {
/* dup to /dev/null when using syslog */
dup2(STDOUT_FILENO, STDERR_FILENO);
}
#endif
}
zlog_set_launched();
return 0;
}
@ -332,10 +388,6 @@ int fpm_stdio_open_error_log(int reopen) /* {{{ */
}
if (reopen) {
if (fpm_use_error_log()) {
dup2(fd, STDERR_FILENO);
}
dup2(fd, fpm_globals.error_log_fd);
close(fd);
fd = fpm_globals.error_log_fd; /* for FD_CLOSEXEC to work */

4
sapi/fpm/fpm/fpm_stdio.h
View File

@ -16,5 +16,9 @@ void fpm_stdio_child_use_pipes(struct fpm_child_s *child);
int fpm_stdio_parent_use_pipes(struct fpm_child_s *child);
int fpm_stdio_discard_pipes(struct fpm_child_s *child);
int fpm_stdio_open_error_log(int reopen);
int fpm_stdio_save_original_stderr(void);
int fpm_stdio_restore_original_stderr(int close_after_restore);
int fpm_stdio_redirect_stderr_to_dev_null_for_syslog(void);
int fpm_stdio_redirect_stderr_to_error_log(void);
#endif

92
sapi/fpm/tests/bug8885-stderr-fd-reload-usr1.phpt Normal file
View File

@ -0,0 +1,92 @@
--TEST--
FPM: bug8885 - access.log with stderr begins to write logs to error_log after daemon reload (GH-8885)
--SKIPIF--
<?php
include "skipif.inc";
FPM\Tester::skipIfRoot();
?>
--FILE--
<?php
require_once "tester.inc";
$cfg = <<<EOT
[global]
error_log = {{FILE:LOG}}
pid = {{FILE:PID}}
[unconfined]
listen = {{ADDR}}
access.log=/proc/self/fd/2
ping.path = /ping
ping.response = pong
pm = dynamic
pm.max_children = 5
pm.start_servers = 1
pm.min_spare_servers = 1
pm.max_spare_servers = 3
EOT;
// php-fpm must not be launched with --force-stderr option
$tester = new FPM\Tester($cfg, '', [FPM\Tester::PHP_FPM_DISABLE_FORCE_STDERR => true]);
// getPrefixedFile('err.log') is the same path that returns processTemplate('{{FILE:LOG}}')
$errorLogFile = $tester->getPrefixedFile('err.log');
$tester->start();
$tester->expectNoLogMessages();
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
assert(count($errorLogLines) === 2, 'Expected 2 records in the error_log file');
assert(strpos($errorLogLines[0], 'NOTICE: fpm is running, pid'));
assert(strpos($errorLogLines[1], 'NOTICE: ready to handle connections'));
$tester->ping('{{ADDR}}');
$stderrLines = $tester->getLogLines(-1);
assert(count($stderrLines) === 1, 'Expected 1 record in the stderr output (access.log)');
$stderrLine = $stderrLines[0];
assert(preg_match('/127.0.0.1 .* "GET \/ping" 200$/', $stderrLine), 'Incorrect format of access.log record');
$tester->signal('USR1');
$tester->expectNoLogMessages();
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
assert(count($errorLogLines) >= 4, 'Expected at least 4 records in the error_log file');
assert(strpos($errorLogLines[0], 'NOTICE: fpm is running, pid'));
assert(strpos($errorLogLines[1], 'NOTICE: ready to handle connections'));
assert(strpos($errorLogLines[2], 'NOTICE: error log file re-opened'));
assert(strpos($errorLogLines[3], 'NOTICE: access log file re-opened'));
$tester->ping('{{ADDR}}');
$stderrLines = $tester->getLogLines(-1);
assert(count($stderrLines) === 1, 'Must be only 1 record in the access.log');
assert(preg_match('/127.0.0.1 .* "GET \/ping" 200$/', $stderrLines[0]), 'Incorrect format of access.log record');
$tester->terminate();
$stderrLines = $tester->expectNoLogMessages();
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
$errorLogLastLine = array_pop($errorLogLines);
assert(strpos($errorLogLastLine, 'NOTICE: exiting, bye-bye'));
$tester->close();
?>
Done
--EXPECT--
Done
--CLEAN--
<?php
require_once "tester.inc";
FPM\Tester::clean();
?>

92
sapi/fpm/tests/bug8885-stderr-fd-reload-usr2.phpt Normal file
View File

@ -0,0 +1,92 @@
--TEST--
FPM: bug8885 - access.log with stderr begins to write logs to error_log after daemon reload (GH-8885)
--SKIPIF--
<?php
include "skipif.inc";
FPM\Tester::skipIfRoot();
?>
--FILE--
<?php
require_once "tester.inc";
$cfg = <<<EOT
[global]
error_log = {{FILE:LOG}}
pid = {{FILE:PID}}
[unconfined]
listen = {{ADDR}}
access.log=/proc/self/fd/2
ping.path = /ping
ping.response = pong
pm = dynamic
pm.max_children = 5
pm.start_servers = 1
pm.min_spare_servers = 1
pm.max_spare_servers = 3
EOT;
// php-fpm must not be launched with --force-stderr option
$tester = new FPM\Tester($cfg, '', [FPM\Tester::PHP_FPM_DISABLE_FORCE_STDERR => true]);
// getPrefixedFile('err.log') is the same path that returns processTemplate('{{FILE:LOG}}')
$errorLogFile = $tester->getPrefixedFile('err.log');
$tester->start();
$tester->expectNoLogMessages();
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
assert(count($errorLogLines) === 2, 'Expected 2 records in the error_log file');
assert(strpos($errorLogLines[0], 'NOTICE: fpm is running, pid'));
assert(strpos($errorLogLines[1], 'NOTICE: ready to handle connections'));
$tester->ping('{{ADDR}}');
$stderrLines = $tester->getLogLines(-1);
assert(count($stderrLines) === 1, 'Expected 1 record in the stderr output (access.log)');
$stderrLine = $stderrLines[0];
assert(preg_match('/127.0.0.1 .* "GET \/ping" 200$/', $stderrLine), 'Incorrect format of access.log record');
$tester->signal('USR2');
$tester->expectLogNotice('using inherited socket fd=\d+, "127.0.0.1:\d+"');
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
assert(count($errorLogLines) >= 5, 'Expected at least 5 records in the error_log file');
assert(strpos($errorLogLines[0], 'NOTICE: fpm is running, pid'));
assert(strpos($errorLogLines[1], 'NOTICE: ready to handle connections'));
assert(strpos($errorLogLines[2], 'NOTICE: Reloading in progress'));
assert(strpos($errorLogLines[3], 'NOTICE: reloading: execvp'));
assert(strpos($errorLogLines[4], 'NOTICE: using inherited socket'));
$tester->ping('{{ADDR}}');
$stderrLines = $tester->getLogLines(-1);
assert(count($stderrLines) === 1, 'Must be only 1 record in the access.log');
assert(preg_match('/127.0.0.1 .* "GET \/ping" 200$/', $stderrLines[0]), 'Incorrect format of access.log record');
$tester->terminate();
$stderrLines = $tester->expectNoLogMessages();
$content = file_get_contents($errorLogFile);
assert($content !== false && strlen($content) > 0, 'File must not be empty');
$errorLogLines = explode("\n", $content);
array_pop($errorLogLines);
$errorLogLastLine = array_pop($errorLogLines);
assert(strpos($errorLogLastLine, 'NOTICE: exiting, bye-bye'));
$tester->close();
?>
Done
--EXPECT--
Done
--CLEAN--
<?php
require_once "tester.inc";
FPM\Tester::clean();
?>

17
sapi/fpm/tests/tester.inc
View File

@ -35,6 +35,11 @@ class Tester
*/
const FILE_EXT_PID = 'pid';
/**
* Name for the option to manage php-fpm --force-stderr flag
*/
const PHP_FPM_DISABLE_FORCE_STDERR = 'disable-force-stderr';
/**
* @var array
*/
@ -375,7 +380,15 @@ class Tester
{
$configFile = $this->createConfig();
$desc = $this->outDesc ? [] : [1 => array('pipe', 'w'), 2 => array('redirect', 1)];
$cmd = [self::findExecutable(), '-F', '-O', '-y', $configFile];
$cmd = [self::findExecutable(), '-F', '-y', $configFile];
if (!(isset($this->options[self::PHP_FPM_DISABLE_FORCE_STDERR]) &&
$this->options[self::PHP_FPM_DISABLE_FORCE_STDERR] === true)
) {
$cmd[] = '-O';
}
if (getenv('TEST_FPM_RUN_AS_ROOT')) {
$cmd[] = '--allow-to-run-as-root';
}
@ -1153,7 +1166,7 @@ class Tester
* @param string $prefix
* @return string
*/
private function getPrefixedFile(string $extension, string $prefix = null)
public function getPrefixedFile(string $extension, string $prefix = null)
{
$fileName = rtrim($this->fileName, '.');
if (!is_null($prefix)) {