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
147 BIO_METHOD *BIO_s_log(void)
148 {
149 return(&methods_slg);
150 }
151
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
161 static int MS_CALLBACK slg_free(BIO *a)
162 {
163 if (a == NULL) return(0);
164 xcloselog(a);
165 return(1);
166 }
167
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
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
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
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
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
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
304 static void xopenlog(BIO* bp, char* name, int level)
305 {
306 VMS_OPC_target = level;
307 }
308
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
372 static void xcloselog(BIO* bp)
373 {
374 }
375
376 #else /* Unix/Watt32 */
377
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
387 static void xsyslog(BIO *bp, int priority, const char *string)
388 {
389 syslog(priority, "%s", string);
390 }
391
392 static void xcloselog(BIO* bp)
393 {
394 closelog();
395 }
396
397 #endif /* Unix */
398
399 #endif /* NO_SYSLOG */