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 
125 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
126 static int MS_CALLBACK slg_puts(BIO *h, const char *str);
127 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
128 static int MS_CALLBACK slg_new(BIO *h);
129 static int MS_CALLBACK slg_free(BIO *data);
130 static void xopenlog(BIO* bp, char* name, int level);
131 static void xsyslog(BIO* bp, int priority, const char* string);
132 static void xcloselog(BIO* bp);
133 
134 static 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 
BIO_s_log(void)147 BIO_METHOD *BIO_s_log(void)
148 	{
149 	return(&methods_slg);
150 	}
151 
slg_new(BIO * bi)152 static 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 
slg_free(BIO * a)161 static int MS_CALLBACK slg_free(BIO *a)
162 	{
163 	if (a == NULL) return(0);
164 	xcloselog(a);
165 	return(1);
166 	}
167 
slg_write(BIO * b,const char * in,int inl)168 static 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 
slg_ctrl(BIO * b,int cmd,long num,void * ptr)221 static 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 
slg_puts(BIO * bp,const char * str)235 static 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 
xopenlog(BIO * bp,char * name,int level)246 static void xopenlog(BIO* bp, char* name, int level)
247 {
248 	if (check_winnt())
249 		bp->ptr = RegisterEventSourceA(NULL,name);
250 	else
251 		bp->ptr = NULL;
252 }
253 
xsyslog(BIO * bp,int priority,const char * string)254 static 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 
xcloselog(BIO * bp)293 static 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 
302 static int VMS_OPC_target = LOG_DAEMON;
303 
xopenlog(BIO * bp,char * name,int level)304 static void xopenlog(BIO* bp, char* name, int level)
305 {
306 	VMS_OPC_target = level;
307 }
308 
xsyslog(BIO * bp,int priority,const char * string)309 static 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 
xcloselog(BIO * bp)372 static void xcloselog(BIO* bp)
373 {
374 }
375 
376 #else /* Unix/Watt32 */
377 
xopenlog(BIO * bp,char * name,int level)378 static 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 
xsyslog(BIO * bp,int priority,const char * string)387 static void xsyslog(BIO *bp, int priority, const char *string)
388 {
389 	syslog(priority, "%s", string);
390 }
391 
xcloselog(BIO * bp)392 static void xcloselog(BIO* bp)
393 {
394 	closelog();
395 }
396 
397 #endif /* Unix */
398 
399 #endif /* NO_SYSLOG */
400