1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Philip Prindeville <philipp@redfish-solutions.com> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include <stdio.h>
18 #include <string.h>
19 #include <stdlib.h>
20 #include "php.h"
21 #include "php_syslog.h"
22
23 #include "zend.h"
24 #include "zend_smart_string.h"
25
26 /*
27 * The SCO OpenServer 5 Development System (not the UDK)
28 * defines syslog to std_syslog.
29 */
30
31 #ifdef HAVE_STD_SYSLOG
32 #define syslog std_syslog
33 #endif
34
php_openlog(const char * ident,int option,int facility)35 void php_openlog(const char *ident, int option, int facility)
36 {
37 openlog(ident, option, facility);
38 PG(have_called_openlog) = 1;
39 }
40
php_closelog()41 void php_closelog()
42 {
43 closelog();
44 PG(have_called_openlog) = 0;
45 }
46
47 #ifdef PHP_WIN32
php_syslog(int priority,const char * format,...)48 PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
49 {
50 va_list args;
51
52 /*
53 * don't rely on openlog() being called by syslog() if it's
54 * not already been done; call it ourselves and pass the
55 * correct parameters!
56 */
57 if (!PG(have_called_openlog)) {
58 php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
59 }
60
61 va_start(args, format);
62 vsyslog(priority, format, args);
63 va_end(args);
64 }
65 /* }}} */
66 #else
php_syslog(int priority,const char * format,...)67 PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
68 {
69 const char *ptr;
70 unsigned char c;
71 smart_string fbuf = {0};
72 smart_string sbuf = {0};
73 va_list args;
74
75 /*
76 * don't rely on openlog() being called by syslog() if it's
77 * not already been done; call it ourselves and pass the
78 * correct parameters!
79 */
80 if (!PG(have_called_openlog)) {
81 php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
82 }
83
84 va_start(args, format);
85 zend_printf_to_smart_string(&fbuf, format, args);
86 smart_string_0(&fbuf);
87 va_end(args);
88
89 if (PG(syslog_filter) == PHP_SYSLOG_FILTER_RAW) {
90 /* Just send it directly to the syslog */
91 syslog(priority, "%.*s", (int)fbuf.len, fbuf.c);
92 smart_string_free(&fbuf);
93 return;
94 }
95
96 for (ptr = fbuf.c; ; ++ptr) {
97 c = *ptr;
98 if (c == '\0') {
99 syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
100 break;
101 }
102
103 /* check for NVT ASCII only unless test disabled */
104 if (((0x20 <= c) && (c <= 0x7e)))
105 smart_string_appendc(&sbuf, c);
106 else if ((c >= 0x80) && (PG(syslog_filter) != PHP_SYSLOG_FILTER_ASCII))
107 smart_string_appendc(&sbuf, c);
108 else if (c == '\n') {
109 syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
110 smart_string_reset(&sbuf);
111 } else if ((c < 0x20) && (PG(syslog_filter) == PHP_SYSLOG_FILTER_ALL))
112 smart_string_appendc(&sbuf, c);
113 else {
114 const char xdigits[] = "0123456789abcdef";
115
116 smart_string_appendl(&sbuf, "\\x", 2);
117 smart_string_appendc(&sbuf, xdigits[(c / 0x10)]);
118 c &= 0x0f;
119 smart_string_appendc(&sbuf, xdigits[c]);
120 }
121 }
122
123 smart_string_free(&fbuf);
124 smart_string_free(&sbuf);
125 }
126 /* }}} */
127 #endif
128
