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-rw-r--r--src/lib/libcrypto/bio/bss_log.c213
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diff --git a/src/lib/libcrypto/bio/bss_log.c b/src/lib/libcrypto/bio/bss_log.c
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1/* $OpenBSD: bss_log.c,v 1.21 2014/07/11 08:44:47 jsing Exp $ */
2/* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/*
57 Why BIO_s_log?
58
59 BIO_s_log is useful for system daemons (or services under NT).
60 It is one-way BIO, it sends all stuff to syslogd (on system that
61 commonly use that), or event log (on NT), or OPCOM (on OpenVMS).
62
63*/
64
65#include <errno.h>
66#include <stdio.h>
67#include <string.h>
68#include <syslog.h>
69
70#include <openssl/buffer.h>
71#include <openssl/err.h>
72
73#ifndef NO_SYSLOG
74
75static int slg_write(BIO *h, const char *buf, int num);
76static int slg_puts(BIO *h, const char *str);
77static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
78static int slg_new(BIO *h);
79static int slg_free(BIO *data);
80static void xopenlog(BIO* bp, char* name, int level);
81static void xsyslog(BIO* bp, int priority, const char* string);
82static void xcloselog(BIO* bp);
83
84static BIO_METHOD methods_slg = {
85 .type = BIO_TYPE_MEM,
86 .name = "syslog",
87 .bwrite = slg_write,
88 .bputs = slg_puts,
89 .ctrl = slg_ctrl,
90 .create = slg_new,
91 .destroy = slg_free
92};
93
94BIO_METHOD *
95BIO_s_log(void)
96{
97 return (&methods_slg);
98}
99
100static int
101slg_new(BIO *bi)
102{
103 bi->init = 1;
104 bi->num = 0;
105 bi->ptr = NULL;
106 xopenlog(bi, "application", LOG_DAEMON);
107 return (1);
108}
109
110static int
111slg_free(BIO *a)
112{
113 if (a == NULL)
114 return (0);
115 xcloselog(a);
116 return (1);
117}
118
119static int
120slg_write(BIO *b, const char *in, int inl)
121{
122 int ret = inl;
123 char* buf;
124 char* pp;
125 int priority, i;
126 static const struct {
127 int strl;
128 char str[10];
129 int log_level;
130 }
131 mapping[] = {
132 { 6, "PANIC ", LOG_EMERG },
133 { 6, "EMERG ", LOG_EMERG },
134 { 4, "EMR ", LOG_EMERG },
135 { 6, "ALERT ", LOG_ALERT },
136 { 4, "ALR ", LOG_ALERT },
137 { 5, "CRIT ", LOG_CRIT },
138 { 4, "CRI ", LOG_CRIT },
139 { 6, "ERROR ", LOG_ERR },
140 { 4, "ERR ", LOG_ERR },
141 { 8, "WARNING ", LOG_WARNING },
142 { 5, "WARN ", LOG_WARNING },
143 { 4, "WAR ", LOG_WARNING },
144 { 7, "NOTICE ", LOG_NOTICE },
145 { 5, "NOTE ", LOG_NOTICE },
146 { 4, "NOT ", LOG_NOTICE },
147 { 5, "INFO ", LOG_INFO },
148 { 4, "INF ", LOG_INFO },
149 { 6, "DEBUG ", LOG_DEBUG },
150 { 4, "DBG ", LOG_DEBUG },
151 { 0, "", LOG_ERR } /* The default */
152 };
153
154 if ((buf = malloc(inl + 1)) == NULL) {
155 return (0);
156 }
157 strlcpy(buf, in, inl + 1);
158 i = 0;
159 while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
160 i++;
161 priority = mapping[i].log_level;
162 pp = buf + mapping[i].strl;
163
164 xsyslog(b, priority, pp);
165
166 free(buf);
167 return (ret);
168}
169
170static long
171slg_ctrl(BIO *b, int cmd, long num, void *ptr)
172{
173 switch (cmd) {
174 case BIO_CTRL_SET:
175 xcloselog(b);
176 xopenlog(b, ptr, num);
177 break;
178 default:
179 break;
180 }
181 return (0);
182}
183
184static int
185slg_puts(BIO *bp, const char *str)
186{
187 int n, ret;
188
189 n = strlen(str);
190 ret = slg_write(bp, str, n);
191 return (ret);
192}
193
194
195static void
196xopenlog(BIO* bp, char* name, int level)
197{
198 openlog(name, LOG_PID|LOG_CONS, level);
199}
200
201static void
202xsyslog(BIO *bp, int priority, const char *string)
203{
204 syslog(priority, "%s", string);
205}
206
207static void
208xcloselog(BIO* bp)
209{
210 closelog();
211}
212
213#endif /* NO_SYSLOG */
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