1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 2017-2018 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Philip Prindeville <philipp@redfish-solutions.com> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include <stdio.h>
20 #include <string.h>
21 #include <assert.h>
22 #include <stdlib.h>
23 #include "php.h"
24 #include "php_syslog.h"
25
26 #include "zend.h"
27 #include "zend_smart_string.h"
28
29 /*
30 * The SCO OpenServer 5 Development System (not the UDK)
31 * defines syslog to std_syslog.
32 */
33
34 #ifdef HAVE_STD_SYSLOG
35 #define syslog std_syslog
36 #endif
37
38 #ifdef PHP_WIN32
php_syslog(int priority,const char * format,...)39 PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
40 {
41 va_list args;
42
43 /*
44 * don't rely on openlog() being called by syslog() if it's
45 * not already been done; call it ourselves and pass the
46 * correct parameters!
47 */
48 if (!PG(have_called_openlog)) {
49 php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
50 }
51
52 va_start(args, format);
53 vsyslog(priority, format, args);
54 va_end(args);
55 }
56 /* }}} */
57 #else
php_syslog(int priority,const char * format,...)58 PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */
59 {
60 const char *ptr;
61 unsigned char c;
62 smart_string fbuf = {0};
63 smart_string sbuf = {0};
64 va_list args;
65
66 /*
67 * don't rely on openlog() being called by syslog() if it's
68 * not already been done; call it ourselves and pass the
69 * correct parameters!
70 */
71 if (!PG(have_called_openlog)) {
72 php_openlog(PG(syslog_ident), 0, PG(syslog_facility));
73 }
74
75 va_start(args, format);
76 zend_printf_to_smart_string(&fbuf, format, args);
77 smart_string_0(&fbuf);
78 va_end(args);
79
80 if (PG(syslog_filter) == PHP_SYSLOG_FILTER_RAW) {
81 /* Just send it directly to the syslog */
82 syslog(priority, "%.*s", (int)fbuf.len, fbuf.c);
83 smart_string_free(&fbuf);
84 return;
85 }
86
87 for (ptr = fbuf.c; ; ++ptr) {
88 c = *ptr;
89 if (c == '\0') {
90 syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
91 break;
92 }
93
94 /* check for NVT ASCII only unless test disabled */
95 if (((0x20 <= c) && (c <= 0x7e)))
96 smart_string_appendc(&sbuf, c);
97 else if ((c >= 0x80) && (PG(syslog_filter) != PHP_SYSLOG_FILTER_ASCII))
98 smart_string_appendc(&sbuf, c);
99 else if (c == '\n') {
100 syslog(priority, "%.*s", (int)sbuf.len, sbuf.c);
101 smart_string_reset(&sbuf);
102 } else if ((c < 0x20) && (PG(syslog_filter) == PHP_SYSLOG_FILTER_ALL))
103 smart_string_appendc(&sbuf, c);
104 else {
105 const char xdigits[] = "0123456789abcdef";
106
107 smart_string_appendl(&sbuf, "\\x", 2);
108 smart_string_appendc(&sbuf, xdigits[(c / 0x10)]);
109 c &= 0x0f;
110 smart_string_appendc(&sbuf, xdigits[c]);
111 }
112 }
113
114 smart_string_free(&fbuf);
115 smart_string_free(&sbuf);
116 }
117 /* }}} */
118 #endif
119
120 /*
121 * Local variables:
122 * tab-width: 4
123 * c-basic-offset: 4
124 * End:
125 * vim600: sw=4 ts=4 fdm=marker
126 * vim<600: sw=4 ts=4
127 */
128
