php-src/main/php_syslog.c

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 2017-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Philip Prindeville <philipp@redfish-solutions.com> |
+----------------------------------------------------------------------+
*/
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include "php.h"
#include "php_syslog.h"
#include "zend.h"
#include "zend_smart_string.h"
/*
* The SCO OpenServer 5 Development System (not the UDK)
* defines syslog to std_syslog.
*/
#ifdef HAVE_STD_SYSLOG
#define syslog std_syslog
#endif
#ifdef PHP_WIN32
PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
{
va_list args;
/*
* don't rely on openlog() being called by syslog() if it's
* not already been done; call it ourselves and pass the
* correct parameters!
*/
if (!PG(have_called_openlog)) {
php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
}
va_start(args, format);
vsyslog(priority, format, args);
va_end(args);
}
/* }}} */
#else
PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
{
const char *ptr;
unsigned char c;
smart_string fbuf = {0};
smart_string sbuf = {0};
va_list args;
/*
* don't rely on openlog() being called by syslog() if it's
* not already been done; call it ourselves and pass the
* correct parameters!
*/
if (!PG(have_called_openlog)) {
php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
}
va_start(args, format);
zend_printf_to_smart_string(&fbuf, format, args);
smart_string_0(&fbuf);
va_end(args);
for (ptr = fbuf.c; ; ++ptr) {
c = *ptr;
if (c == '\0') {
syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
break;
}
/* check for NVT ASCII only unless test disabled */
if (((0x20 <= c) && (c <= 0x7e)))
smart_string_appendc(&sbuf, c);
else if ((c >= 0x80) && (PG(syslog_filter) != PHP_SYSLOG_FILTER_ASCII))
smart_string_appendc(&sbuf, c);
else if (c == '\n') {
syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
smart_string_reset(&sbuf);
} else if ((c < 0x20) && (PG(syslog_filter) == PHP_SYSLOG_FILTER_ALL))
smart_string_appendc(&sbuf, c);
else {
const char xdigits[] = "0123456789abcdef";
smart_string_appendl(&sbuf, "\\x", 2);
smart_string_appendc(&sbuf, xdigits[(c / 0x10)]);
c &= 0x0f;
smart_string_appendc(&sbuf, xdigits[c]);
}
}
smart_string_free(&fbuf);
smart_string_free(&sbuf);
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/