forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathphp_syslog.c
117 lines (100 loc) · 3.45 KB
/
php_syslog.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Philip Prindeville <[email protected]> |
+----------------------------------------------------------------------+
*/
#include <stdio.h>
#include <string.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
PHPAPI void php_syslog_str(int priority, const zend_string* message)
{
smart_string sbuf = {0};
if (PG(syslog_filter) == PHP_SYSLOG_FILTER_RAW) {
/* Just send it directly to the syslog */
syslog(priority, "%s", ZSTR_VAL(message));
return;
}
/* We use < because we don't want the final NUL byte to be converted to '\x00' */
for (size_t i = 0; i < ZSTR_LEN(message); ++i) {
unsigned char c = ZSTR_VAL(message)[i];
/* 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') {
/* Smart string is not NUL terminated */
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 >> 4]);
smart_string_appendc(&sbuf, xdigits[c & 0xf]);
}
}
/* Smart string is not NUL terminated */
syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
smart_string_free(&sbuf);
}
#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, ...) /* {{{ */
{
zend_string *fbuf = NULL;
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);
fbuf = zend_vstrpprintf(0, format, args);
va_end(args);
php_syslog_str(priority, fbuf);
zend_string_release(fbuf);
}
/* }}} */
#endif