1/* crypto/bio/bss_log.c */
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
66#include <stdio.h>
67#include <errno.h>
68
69#include <openssl/local/cryptlib.h>
70
71#if defined(OPENSSL_SYS_WINCE)
72#elif defined(OPENSSL_SYS_WIN32)
73#elif defined(OPENSSL_SYS_VMS)
74#  include <opcdef.h>
75#  include <descrip.h>
76#  include <lib$routines.h>
77#  include <starlet.h>
78#elif defined(__ultrix)
79#  include <sys/syslog.h>
80#elif defined(OPENSSL_SYS_NETWARE)
81#  define NO_SYSLOG
82#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
83#  include <syslog.h>
84#endif
85
86#include <openssl/buffer.h>
87#include <openssl/err.h>
88
89#ifndef NO_SYSLOG
90
91#if defined(OPENSSL_SYS_WIN32)
92#define LOG_EMERG	0
93#define LOG_ALERT	1
94#define LOG_CRIT	2
95#define LOG_ERR		3
96#define LOG_WARNING	4
97#define LOG_NOTICE	5
98#define LOG_INFO	6
99#define LOG_DEBUG	7
100
101#define LOG_DAEMON	(3<<3)
102#elif defined(OPENSSL_SYS_VMS)
103/* On VMS, we don't really care about these, but we need them to compile */
104#define LOG_EMERG	0
105#define LOG_ALERT	1
106#define LOG_CRIT	2
107#define LOG_ERR		3
108#define LOG_WARNING	4
109#define LOG_NOTICE	5
110#define LOG_INFO	6
111#define LOG_DEBUG	7
112
113#define LOG_DAEMON	OPC$M_NM_NTWORK
114#endif
115
116static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
117static int MS_CALLBACK slg_puts(BIO *h, const char *str);
118static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
119static int MS_CALLBACK slg_new(BIO *h);
120static int MS_CALLBACK slg_free(BIO *data);
121static void xopenlog(BIO* bp, char* name, int level);
122static void xsyslog(BIO* bp, int priority, const char* string);
123static void xcloselog(BIO* bp);
124
125static BIO_METHOD methods_slg=
126	{
127	BIO_TYPE_MEM,"syslog",
128	slg_write,
129	NULL,
130	slg_puts,
131	NULL,
132	slg_ctrl,
133	slg_new,
134	slg_free,
135	NULL,
136	};
137
138BIO_METHOD *BIO_s_log(void)
139	{
140	return(&methods_slg);
141	}
142
143static int MS_CALLBACK slg_new(BIO *bi)
144	{
145	bi->init=1;
146	bi->num=0;
147	bi->ptr=NULL;
148	xopenlog(bi, "application", LOG_DAEMON);
149	return(1);
150	}
151
152static int MS_CALLBACK slg_free(BIO *a)
153	{
154	if (a == NULL) return(0);
155	xcloselog(a);
156	return(1);
157	}
158
159static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
160	{
161	int ret= inl;
162	char* buf;
163	char* pp;
164	int priority, i;
165	static const struct
166		{
167		int strl;
168		char str[10];
169		int log_level;
170		}
171	mapping[] =
172		{
173		{ 6, "PANIC ", LOG_EMERG },
174		{ 6, "EMERG ", LOG_EMERG },
175		{ 4, "EMR ", LOG_EMERG },
176		{ 6, "ALERT ", LOG_ALERT },
177		{ 4, "ALR ", LOG_ALERT },
178		{ 5, "CRIT ", LOG_CRIT },
179		{ 4, "CRI ", LOG_CRIT },
180		{ 6, "ERROR ", LOG_ERR },
181		{ 4, "ERR ", LOG_ERR },
182		{ 8, "WARNING ", LOG_WARNING },
183		{ 5, "WARN ", LOG_WARNING },
184		{ 4, "WAR ", LOG_WARNING },
185		{ 7, "NOTICE ", LOG_NOTICE },
186		{ 5, "NOTE ", LOG_NOTICE },
187		{ 4, "NOT ", LOG_NOTICE },
188		{ 5, "INFO ", LOG_INFO },
189		{ 4, "INF ", LOG_INFO },
190		{ 6, "DEBUG ", LOG_DEBUG },
191		{ 4, "DBG ", LOG_DEBUG },
192		{ 0, "", LOG_ERR } /* The default */
193		};
194
195	if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
196		return(0);
197	}
198	strncpy(buf, in, inl);
199	buf[inl]= '\0';
200
201	i = 0;
202	while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
203	priority = mapping[i].log_level;
204	pp = buf + mapping[i].strl;
205
206	xsyslog(b, priority, pp);
207
208	OPENSSL_free(buf);
209	return(ret);
210	}
211
212static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
213	{
214	switch (cmd)
215		{
216	case BIO_CTRL_SET:
217		xcloselog(b);
218		xopenlog(b, ptr, num);
219		break;
220	default:
221		break;
222		}
223	return(0);
224	}
225
226static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
227	{
228	int n,ret;
229
230	n=strlen(str);
231	ret=slg_write(bp,str,n);
232	return(ret);
233	}
234
235#if defined(OPENSSL_SYS_WIN32)
236
237static void xopenlog(BIO* bp, char* name, int level)
238{
239	if (GetVersion() < 0x80000000)
240		bp->ptr = RegisterEventSourceA(NULL,name);
241	else
242		bp->ptr = NULL;
243}
244
245static void xsyslog(BIO *bp, int priority, const char *string)
246{
247	LPCSTR lpszStrings[2];
248	WORD evtype= EVENTLOG_ERROR_TYPE;
249	char pidbuf[DECIMAL_SIZE(DWORD)+4];
250
251	if (bp->ptr == NULL)
252		return;
253
254	switch (priority)
255		{
256	case LOG_EMERG:
257	case LOG_ALERT:
258	case LOG_CRIT:
259	case LOG_ERR:
260		evtype = EVENTLOG_ERROR_TYPE;
261		break;
262	case LOG_WARNING:
263		evtype = EVENTLOG_WARNING_TYPE;
264		break;
265	case LOG_NOTICE:
266	case LOG_INFO:
267	case LOG_DEBUG:
268		evtype = EVENTLOG_INFORMATION_TYPE;
269		break;
270	default:		/* Should never happen, but set it
271				   as error anyway. */
272		evtype = EVENTLOG_ERROR_TYPE;
273		break;
274		}
275
276	sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
277	lpszStrings[0] = pidbuf;
278	lpszStrings[1] = string;
279
280	ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
281				lpszStrings, NULL);
282}
283
284static void xcloselog(BIO* bp)
285{
286	if(bp->ptr)
287		DeregisterEventSource((HANDLE)(bp->ptr));
288	bp->ptr= NULL;
289}
290
291#elif defined(OPENSSL_SYS_VMS)
292
293static int VMS_OPC_target = LOG_DAEMON;
294
295static void xopenlog(BIO* bp, char* name, int level)
296{
297	VMS_OPC_target = level;
298}
299
300static void xsyslog(BIO *bp, int priority, const char *string)
301{
302	struct dsc$descriptor_s opc_dsc;
303	struct opcdef *opcdef_p;
304	char buf[10240];
305	unsigned int len;
306        struct dsc$descriptor_s buf_dsc;
307	$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
308	char *priority_tag;
309
310	switch (priority)
311	  {
312	  case LOG_EMERG: priority_tag = "Emergency"; break;
313	  case LOG_ALERT: priority_tag = "Alert"; break;
314	  case LOG_CRIT: priority_tag = "Critical"; break;
315	  case LOG_ERR: priority_tag = "Error"; break;
316	  case LOG_WARNING: priority_tag = "Warning"; break;
317	  case LOG_NOTICE: priority_tag = "Notice"; break;
318	  case LOG_INFO: priority_tag = "Info"; break;
319	  case LOG_DEBUG: priority_tag = "DEBUG"; break;
320	  }
321
322	buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
323	buf_dsc.dsc$b_class = DSC$K_CLASS_S;
324	buf_dsc.dsc$a_pointer = buf;
325	buf_dsc.dsc$w_length = sizeof(buf) - 1;
326
327	lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
328
329	/* we know there's an 8 byte header.  That's documented */
330	opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len);
331	opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
332	memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
333	opcdef_p->opc$l_ms_rqstid = 0;
334	memcpy(&opcdef_p->opc$l_ms_text, buf, len);
335
336	opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
337	opc_dsc.dsc$b_class = DSC$K_CLASS_S;
338	opc_dsc.dsc$a_pointer = (char *)opcdef_p;
339	opc_dsc.dsc$w_length = len + 8;
340
341	sys$sndopr(opc_dsc, 0);
342
343	OPENSSL_free(opcdef_p);
344}
345
346static void xcloselog(BIO* bp)
347{
348}
349
350#else /* Unix/Watt32 */
351
352static void xopenlog(BIO* bp, char* name, int level)
353{
354#ifdef WATT32   /* djgpp/DOS */
355	openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
356#else
357	openlog(name, LOG_PID|LOG_CONS, level);
358#endif
359}
360
361static void xsyslog(BIO *bp, int priority, const char *string)
362{
363	syslog(priority, "%s", string);
364}
365
366static void xcloselog(BIO* bp)
367{
368	closelog();
369}
370
371#endif /* Unix */
372
373#endif /* NO_SYSLOG */
374