/src/php-src/main/php_syslog.c
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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 | | | https://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 | | |
35 | | PHPAPI void php_syslog_str(int priority, const zend_string* message) |
36 | 0 | { |
37 | 0 | smart_string sbuf = {0}; |
38 | |
|
39 | 0 | if (PG(syslog_filter) == PHP_SYSLOG_FILTER_RAW) { |
40 | | /* Just send it directly to the syslog */ |
41 | 0 | syslog(priority, "%s", ZSTR_VAL(message)); |
42 | 0 | return; |
43 | 0 | } |
44 | | |
45 | | /* We use < because we don't want the final NUL byte to be converted to '\x00' */ |
46 | 0 | for (size_t i = 0; i < ZSTR_LEN(message); ++i) { |
47 | 0 | unsigned char c = ZSTR_VAL(message)[i]; |
48 | | |
49 | | /* check for NVT ASCII only unless test disabled */ |
50 | 0 | if (((0x20 <= c) && (c <= 0x7e))) { |
51 | 0 | smart_string_appendc(&sbuf, c); |
52 | 0 | } else if ((c >= 0x80) && (PG(syslog_filter) != PHP_SYSLOG_FILTER_ASCII)) { |
53 | 0 | smart_string_appendc(&sbuf, c); |
54 | 0 | } else if (c == '\n') { |
55 | | /* Smart string is not NUL terminated */ |
56 | 0 | syslog(priority, "%.*s", (int)sbuf.len, sbuf.c); |
57 | 0 | smart_string_reset(&sbuf); |
58 | 0 | } else if ((c < 0x20) && (PG(syslog_filter) == PHP_SYSLOG_FILTER_ALL)) { |
59 | 0 | smart_string_appendc(&sbuf, c); |
60 | 0 | } else { |
61 | 0 | static const char xdigits[] = "0123456789abcdef"; |
62 | |
|
63 | 0 | smart_string_appendl(&sbuf, "\\x", 2); |
64 | 0 | smart_string_appendc(&sbuf, xdigits[c >> 4]); |
65 | 0 | smart_string_appendc(&sbuf, xdigits[c & 0xf]); |
66 | 0 | } |
67 | 0 | } |
68 | | |
69 | | /* Smart string is not NUL terminated */ |
70 | 0 | syslog(priority, "%.*s", (int)sbuf.len, sbuf.c); |
71 | 0 | smart_string_free(&sbuf); |
72 | 0 | } |
73 | | |
74 | | void php_openlog(const char *ident, int option, int facility) |
75 | 0 | { |
76 | 0 | openlog(ident, option, facility); |
77 | 0 | PG(have_called_openlog) = 1; |
78 | 0 | } |
79 | | |
80 | | void php_closelog(void) |
81 | 300k | { |
82 | 300k | closelog(); |
83 | 300k | PG(have_called_openlog) = 0; |
84 | 300k | } |
85 | | |
86 | | #ifdef PHP_WIN32 |
87 | | PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */ |
88 | | { |
89 | | va_list args; |
90 | | |
91 | | /* |
92 | | * don't rely on openlog() being called by syslog() if it's |
93 | | * not already been done; call it ourselves and pass the |
94 | | * correct parameters! |
95 | | */ |
96 | | if (!PG(have_called_openlog)) { |
97 | | php_openlog(PG(syslog_ident), 0, PG(syslog_facility)); |
98 | | } |
99 | | |
100 | | va_start(args, format); |
101 | | vsyslog(priority, format, args); |
102 | | va_end(args); |
103 | | } |
104 | | /* }}} */ |
105 | | #else |
106 | | PHPAPI void php_syslog(int priority, const char *format, ...) /* {{{ */ |
107 | 0 | { |
108 | 0 | zend_string *fbuf = NULL; |
109 | 0 | va_list args; |
110 | | |
111 | | /* |
112 | | * don't rely on openlog() being called by syslog() if it's |
113 | | * not already been done; call it ourselves and pass the |
114 | | * correct parameters! |
115 | | */ |
116 | 0 | if (!PG(have_called_openlog)) { |
117 | 0 | php_openlog(PG(syslog_ident), 0, PG(syslog_facility)); |
118 | 0 | } |
119 | |
|
120 | 0 | va_start(args, format); |
121 | 0 | fbuf = zend_vstrpprintf(0, format, args); |
122 | 0 | va_end(args); |
123 | |
|
124 | 0 | php_syslog_str(priority, fbuf); |
125 | |
|
126 | 0 | zend_string_release(fbuf); |
127 | 0 | } |
128 | | /* }}} */ |
129 | | #endif |