bss_log.c revision ee7afb3c942c4eefef6ed06201eafaf8ec58e2e3 
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 "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$routines.h>
77#  include <starlet.h>
78/* Some compiler options may mask the declaration of "_malloc32". */
79#  if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
80#    if __INITIAL_POINTER_SIZE == 64
81#      pragma pointer_size save
82#      pragma pointer_size 32
83    void * _malloc32  (__size_t);
84#      pragma pointer_size restore
85#    endif /* __INITIAL_POINTER_SIZE == 64 */
86#  endif /* __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE */
87#elif defined(__ultrix)
88#  include <sys/syslog.h>
89#elif defined(OPENSSL_SYS_NETWARE)
90#  define NO_SYSLOG
91#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
92#  include <syslog.h>
93#endif
94
95#include <openssl/buffer.h>
96#include <openssl/err.h>
97
98#ifndef NO_SYSLOG
99
100#if defined(OPENSSL_SYS_WIN32)
101#define LOG_EMERG	0
102#define LOG_ALERT	1
103#define LOG_CRIT	2
104#define LOG_ERR		3
105#define LOG_WARNING	4
106#define LOG_NOTICE	5
107#define LOG_INFO	6
108#define LOG_DEBUG	7
109
110#define LOG_DAEMON	(3<<3)
111#elif defined(OPENSSL_SYS_VMS)
112/* On VMS, we don't really care about these, but we need them to compile */
113#define LOG_EMERG	0
114#define LOG_ALERT	1
115#define LOG_CRIT	2
116#define LOG_ERR		3
117#define LOG_WARNING	4
118#define LOG_NOTICE	5
119#define LOG_INFO	6
120#define LOG_DEBUG	7
121
122#define LOG_DAEMON	OPC$M_NM_NTWORK
123#endif
124
125static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
126static int MS_CALLBACK slg_puts(BIO *h, const char *str);
127static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
128static int MS_CALLBACK slg_new(BIO *h);
129static int MS_CALLBACK slg_free(BIO *data);
130static void xopenlog(BIO* bp, char* name, int level);
131static void xsyslog(BIO* bp, int priority, const char* string);
132static void xcloselog(BIO* bp);
133
134static BIO_METHOD methods_slg=
135	{
136	BIO_TYPE_MEM,"syslog",
137	slg_write,
138	NULL,
139	slg_puts,
140	NULL,
141	slg_ctrl,
142	slg_new,
143	slg_free,
144	NULL,
145	};
146
147BIO_METHOD *BIO_s_log(void)
148	{
149	return(&methods_slg);
150	}
151
152static int MS_CALLBACK slg_new(BIO *bi)
153	{
154	bi->init=1;
155	bi->num=0;
156	bi->ptr=NULL;
157	xopenlog(bi, "application", LOG_DAEMON);
158	return(1);
159	}
160
161static int MS_CALLBACK slg_free(BIO *a)
162	{
163	if (a == NULL) return(0);
164	xcloselog(a);
165	return(1);
166	}
167
168static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
169	{
170	int ret= inl;
171	char* buf;
172	char* pp;
173	int priority, i;
174	static const struct
175		{
176		int strl;
177		char str[10];
178		int log_level;
179		}
180	mapping[] =
181		{
182		{ 6, "PANIC ", LOG_EMERG },
183		{ 6, "EMERG ", LOG_EMERG },
184		{ 4, "EMR ", LOG_EMERG },
185		{ 6, "ALERT ", LOG_ALERT },
186		{ 4, "ALR ", LOG_ALERT },
187		{ 5, "CRIT ", LOG_CRIT },
188		{ 4, "CRI ", LOG_CRIT },
189		{ 6, "ERROR ", LOG_ERR },
190		{ 4, "ERR ", LOG_ERR },
191		{ 8, "WARNING ", LOG_WARNING },
192		{ 5, "WARN ", LOG_WARNING },
193		{ 4, "WAR ", LOG_WARNING },
194		{ 7, "NOTICE ", LOG_NOTICE },
195		{ 5, "NOTE ", LOG_NOTICE },
196		{ 4, "NOT ", LOG_NOTICE },
197		{ 5, "INFO ", LOG_INFO },
198		{ 4, "INF ", LOG_INFO },
199		{ 6, "DEBUG ", LOG_DEBUG },
200		{ 4, "DBG ", LOG_DEBUG },
201		{ 0, "", LOG_ERR } /* The default */
202		};
203
204	if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
205		return(0);
206	}
207	strncpy(buf, in, inl);
208	buf[inl]= '\0';
209
210	i = 0;
211	while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
212	priority = mapping[i].log_level;
213	pp = buf + mapping[i].strl;
214
215	xsyslog(b, priority, pp);
216
217	OPENSSL_free(buf);
218	return(ret);
219	}
220
221static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
222	{
223	switch (cmd)
224		{
225	case BIO_CTRL_SET:
226		xcloselog(b);
227		xopenlog(b, ptr, num);
228		break;
229	default:
230		break;
231		}
232	return(0);
233	}
234
235static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
236	{
237	int n,ret;
238
239	n=strlen(str);
240	ret=slg_write(bp,str,n);
241	return(ret);
242	}
243
244#if defined(OPENSSL_SYS_WIN32)
245
246static void xopenlog(BIO* bp, char* name, int level)
247{
248	if (GetVersion() < 0x80000000)
249		bp->ptr = RegisterEventSourceA(NULL,name);
250	else
251		bp->ptr = NULL;
252}
253
254static void xsyslog(BIO *bp, int priority, const char *string)
255{
256	LPCSTR lpszStrings[2];
257	WORD evtype= EVENTLOG_ERROR_TYPE;
258	char pidbuf[DECIMAL_SIZE(DWORD)+4];
259
260	if (bp->ptr == NULL)
261		return;
262
263	switch (priority)
264		{
265	case LOG_EMERG:
266	case LOG_ALERT:
267	case LOG_CRIT:
268	case LOG_ERR:
269		evtype = EVENTLOG_ERROR_TYPE;
270		break;
271	case LOG_WARNING:
272		evtype = EVENTLOG_WARNING_TYPE;
273		break;
274	case LOG_NOTICE:
275	case LOG_INFO:
276	case LOG_DEBUG:
277		evtype = EVENTLOG_INFORMATION_TYPE;
278		break;
279	default:		/* Should never happen, but set it
280				   as error anyway. */
281		evtype = EVENTLOG_ERROR_TYPE;
282		break;
283		}
284
285	sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
286	lpszStrings[0] = pidbuf;
287	lpszStrings[1] = string;
288
289	ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
290				lpszStrings, NULL);
291}
292
293static void xcloselog(BIO* bp)
294{
295	if(bp->ptr)
296		DeregisterEventSource((HANDLE)(bp->ptr));
297	bp->ptr= NULL;
298}
299
300#elif defined(OPENSSL_SYS_VMS)
301
302static int VMS_OPC_target = LOG_DAEMON;
303
304static void xopenlog(BIO* bp, char* name, int level)
305{
306	VMS_OPC_target = level;
307}
308
309static void xsyslog(BIO *bp, int priority, const char *string)
310{
311	struct dsc$descriptor_s opc_dsc;
312
313/* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
314#if __INITIAL_POINTER_SIZE == 64
315# pragma pointer_size save
316# pragma pointer_size 32
317# define OPCDEF_TYPE __char_ptr32
318# define OPCDEF_MALLOC _malloc32
319#else /* __INITIAL_POINTER_SIZE == 64 */
320# define OPCDEF_TYPE char *
321# define OPCDEF_MALLOC OPENSSL_malloc
322#endif /* __INITIAL_POINTER_SIZE == 64 [else] */
323
324	struct opcdef *opcdef_p;
325
326#if __INITIAL_POINTER_SIZE == 64
327# pragma pointer_size restore
328#endif /* __INITIAL_POINTER_SIZE == 64 */
329
330	char buf[10240];
331	unsigned int len;
332        struct dsc$descriptor_s buf_dsc;
333	$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
334	char *priority_tag;
335
336	switch (priority)
337	  {
338	  case LOG_EMERG: priority_tag = "Emergency"; break;
339	  case LOG_ALERT: priority_tag = "Alert"; break;
340	  case LOG_CRIT: priority_tag = "Critical"; break;
341	  case LOG_ERR: priority_tag = "Error"; break;
342	  case LOG_WARNING: priority_tag = "Warning"; break;
343	  case LOG_NOTICE: priority_tag = "Notice"; break;
344	  case LOG_INFO: priority_tag = "Info"; break;
345	  case LOG_DEBUG: priority_tag = "DEBUG"; break;
346	  }
347
348	buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
349	buf_dsc.dsc$b_class = DSC$K_CLASS_S;
350	buf_dsc.dsc$a_pointer = buf;
351	buf_dsc.dsc$w_length = sizeof(buf) - 1;
352
353	lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
354
355	/* We know there's an 8-byte header.  That's documented. */
356	opcdef_p = OPCDEF_MALLOC( 8+ len);
357	opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
358	memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
359	opcdef_p->opc$l_ms_rqstid = 0;
360	memcpy(&opcdef_p->opc$l_ms_text, buf, len);
361
362	opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
363	opc_dsc.dsc$b_class = DSC$K_CLASS_S;
364	opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
365	opc_dsc.dsc$w_length = len + 8;
366
367	sys$sndopr(opc_dsc, 0);
368
369	OPENSSL_free(opcdef_p);
370}
371
372static void xcloselog(BIO* bp)
373{
374}
375
376#else /* Unix/Watt32 */
377
378static void xopenlog(BIO* bp, char* name, int level)
379{
380#ifdef WATT32   /* djgpp/DOS */
381	openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
382#else
383	openlog(name, LOG_PID|LOG_CONS, level);
384#endif
385}
386
387static void xsyslog(BIO *bp, int priority, const char *string)
388{
389	syslog(priority, "%s", string);
390}
391
392static void xcloselog(BIO* bp)
393{
394	closelog();
395}
396
397#endif /* Unix */
398
399#endif /* NO_SYSLOG */
400