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). It is
60 * one-way BIO, it sends all stuff to syslogd (on system that commonly use
61 * that), or event log (on NT), or OPCOM (on OpenVMS).
62 *
63 */
64
65 #include <stdio.h>
66 #include <errno.h>
67
68 #include "cryptlib.h"
69
70 #if defined(OPENSSL_SYS_WINCE)
71 #elif defined(OPENSSL_SYS_WIN32)
72 # include <process.h>
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
116 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
117 static int MS_CALLBACK slg_puts(BIO *h, const char *str);
118 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
119 static int MS_CALLBACK slg_new(BIO *h);
120 static int MS_CALLBACK slg_free(BIO *data);
121 static void xopenlog(BIO *bp, char *name, int level);
122 static void xsyslog(BIO *bp, int priority, const char *string);
123 static void xcloselog(BIO *bp);
124 # ifdef OPENSSL_SYS_WIN32
125 LONG(WINAPI *go_for_advapi) () = RegOpenKeyEx;
126 HANDLE(WINAPI *register_event_source) () = NULL;
127 BOOL(WINAPI *deregister_event_source) () = NULL;
128 BOOL(WINAPI *report_event) () = NULL;
129 # define DL_PROC(m,f) (GetProcAddress( m, f ))
130 # ifdef UNICODE
131 # define DL_PROC_X(m,f) DL_PROC( m, f "W" )
132 # else
133 # define DL_PROC_X(m,f) DL_PROC( m, f "A" )
134 # endif
135 # endif
136
137 static BIO_METHOD methods_slg = {
138 BIO_TYPE_MEM, "syslog",
139 slg_write,
140 NULL,
141 slg_puts,
142 NULL,
143 slg_ctrl,
144 slg_new,
145 slg_free,
146 NULL,
147 };
148
BIO_s_log(void)149 BIO_METHOD *BIO_s_log(void)
150 {
151 return (&methods_slg);
152 }
153
slg_new(BIO * bi)154 static int MS_CALLBACK slg_new(BIO *bi)
155 {
156 bi->init = 1;
157 bi->num = 0;
158 bi->ptr = NULL;
159 xopenlog(bi, "application", LOG_DAEMON);
160 return (1);
161 }
162
slg_free(BIO * a)163 static int MS_CALLBACK slg_free(BIO *a)
164 {
165 if (a == NULL)
166 return (0);
167 xcloselog(a);
168 return (1);
169 }
170
slg_write(BIO * b,const char * in,int inl)171 static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
172 {
173 int ret = inl;
174 char *buf;
175 char *pp;
176 int priority, i;
177 static struct {
178 int strl;
179 char str[10];
180 int log_level;
181 } mapping[] = {
182 {
183 6, "PANIC ", LOG_EMERG
184 },
185 {
186 6, "EMERG ", LOG_EMERG
187 },
188 {
189 4, "EMR ", LOG_EMERG
190 },
191 {
192 6, "ALERT ", LOG_ALERT
193 },
194 {
195 4, "ALR ", LOG_ALERT
196 },
197 {
198 5, "CRIT ", LOG_CRIT
199 },
200 {
201 4, "CRI ", LOG_CRIT
202 },
203 {
204 6, "ERROR ", LOG_ERR
205 },
206 {
207 4, "ERR ", LOG_ERR
208 },
209 {
210 8, "WARNING ", LOG_WARNING
211 },
212 {
213 5, "WARN ", LOG_WARNING
214 },
215 {
216 4, "WAR ", LOG_WARNING
217 },
218 {
219 7, "NOTICE ", LOG_NOTICE
220 },
221 {
222 5, "NOTE ", LOG_NOTICE
223 },
224 {
225 4, "NOT ", LOG_NOTICE
226 },
227 {
228 5, "INFO ", LOG_INFO
229 },
230 {
231 4, "INF ", LOG_INFO
232 },
233 {
234 6, "DEBUG ", LOG_DEBUG
235 },
236 {
237 4, "DBG ", LOG_DEBUG
238 },
239 {
240 0, "", LOG_ERR
241 }
242 /* The default */
243 };
244
245 if ((buf = (char *)OPENSSL_malloc(inl + 1)) == NULL) {
246 return (0);
247 }
248 strncpy(buf, in, inl);
249 buf[inl] = '\0';
250
251 i = 0;
252 while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
253 i++;
254 priority = mapping[i].log_level;
255 pp = buf + mapping[i].strl;
256
257 xsyslog(b, priority, pp);
258
259 OPENSSL_free(buf);
260 return (ret);
261 }
262
slg_ctrl(BIO * b,int cmd,long num,void * ptr)263 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
264 {
265 switch (cmd) {
266 case BIO_CTRL_SET:
267 xcloselog(b);
268 xopenlog(b, ptr, num);
269 break;
270 default:
271 break;
272 }
273 return (0);
274 }
275
slg_puts(BIO * bp,const char * str)276 static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
277 {
278 int n, ret;
279
280 n = strlen(str);
281 ret = slg_write(bp, str, n);
282 return (ret);
283 }
284
285 # if defined(OPENSSL_SYS_WIN32)
286
xopenlog(BIO * bp,char * name,int level)287 static void xopenlog(BIO *bp, char *name, int level)
288 {
289 if (!register_event_source) {
290 HANDLE advapi;
291 if (!(advapi = GetModuleHandle("advapi32")))
292 return;
293 register_event_source = (HANDLE(WINAPI *)())DL_PROC_X(advapi,
294 "RegisterEventSource");
295 deregister_event_source = (BOOL(WINAPI *)()) DL_PROC(advapi,
296 "DeregisterEventSource");
297 report_event = (BOOL(WINAPI *)()) DL_PROC_X(advapi, "ReportEvent");
298 if (!(register_event_source && deregister_event_source &&
299 report_event)) {
300 register_event_source = NULL;
301 deregister_event_source = NULL;
302 report_event = NULL;
303 return;
304 }
305 }
306 bp->ptr = (char *)register_event_source(NULL, name);
307 }
308
xsyslog(BIO * bp,int priority,const char * string)309 static void xsyslog(BIO *bp, int priority, const char *string)
310 {
311 LPCSTR lpszStrings[2];
312 WORD evtype = EVENTLOG_ERROR_TYPE;
313 int pid = _getpid();
314 char pidbuf[DECIMAL_SIZE(pid) + 4];
315
316 switch (priority) {
317 case LOG_EMERG:
318 case LOG_ALERT:
319 case LOG_CRIT:
320 case LOG_ERR:
321 evtype = EVENTLOG_ERROR_TYPE;
322 break;
323 case LOG_WARNING:
324 evtype = EVENTLOG_WARNING_TYPE;
325 break;
326 case LOG_NOTICE:
327 case LOG_INFO:
328 case LOG_DEBUG:
329 evtype = EVENTLOG_INFORMATION_TYPE;
330 break;
331 default:
332 /*
333 * Should never happen, but set it
334 * as error anyway.
335 */
336 evtype = EVENTLOG_ERROR_TYPE;
337 break;
338 }
339
340 sprintf(pidbuf, "[%d] ", pid);
341 lpszStrings[0] = pidbuf;
342 lpszStrings[1] = string;
343
344 if (report_event && bp->ptr)
345 report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
346 }
347
xcloselog(BIO * bp)348 static void xcloselog(BIO *bp)
349 {
350 if (deregister_event_source && bp->ptr)
351 deregister_event_source((HANDLE) (bp->ptr));
352 bp->ptr = NULL;
353 }
354
355 # elif defined(OPENSSL_SYS_VMS)
356
357 static int VMS_OPC_target = LOG_DAEMON;
358
xopenlog(BIO * bp,char * name,int level)359 static void xopenlog(BIO *bp, char *name, int level)
360 {
361 VMS_OPC_target = level;
362 }
363
xsyslog(BIO * bp,int priority,const char * string)364 static void xsyslog(BIO *bp, int priority, const char *string)
365 {
366 struct dsc$descriptor_s opc_dsc;
367 struct opcdef *opcdef_p;
368 char buf[10240];
369 unsigned int len;
370 struct dsc$descriptor_s buf_dsc;
371 $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
372 char *priority_tag;
373
374 switch (priority) {
375 case LOG_EMERG:
376 priority_tag = "Emergency";
377 break;
378 case LOG_ALERT:
379 priority_tag = "Alert";
380 break;
381 case LOG_CRIT:
382 priority_tag = "Critical";
383 break;
384 case LOG_ERR:
385 priority_tag = "Error";
386 break;
387 case LOG_WARNING:
388 priority_tag = "Warning";
389 break;
390 case LOG_NOTICE:
391 priority_tag = "Notice";
392 break;
393 case LOG_INFO:
394 priority_tag = "Info";
395 break;
396 case LOG_DEBUG:
397 priority_tag = "DEBUG";
398 break;
399 }
400
401 buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
402 buf_dsc.dsc$b_class = DSC$K_CLASS_S;
403 buf_dsc.dsc$a_pointer = buf;
404 buf_dsc.dsc$w_length = sizeof(buf) - 1;
405
406 lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
407
408 /* we know there's an 8 byte header. That's documented */
409 opcdef_p = (struct opcdef *)OPENSSL_malloc(8 + len);
410 opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
411 memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
412 opcdef_p->opc$l_ms_rqstid = 0;
413 memcpy(&opcdef_p->opc$l_ms_text, buf, len);
414
415 opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
416 opc_dsc.dsc$b_class = DSC$K_CLASS_S;
417 opc_dsc.dsc$a_pointer = (char *)opcdef_p;
418 opc_dsc.dsc$w_length = len + 8;
419
420 sys$sndopr(opc_dsc, 0);
421
422 OPENSSL_free(opcdef_p);
423 }
424
xcloselog(BIO * bp)425 static void xcloselog(BIO *bp)
426 {
427 }
428
429 # else /* Unix/Watt32 */
430
xopenlog(BIO * bp,char * name,int level)431 static void xopenlog(BIO *bp, char *name, int level)
432 {
433 # ifdef WATT32 /* djgpp/DOS */
434 openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
435 # else
436 openlog(name, LOG_PID | LOG_CONS, level);
437 # endif
438 }
439
xsyslog(BIO * bp,int priority,const char * string)440 static void xsyslog(BIO *bp, int priority, const char *string)
441 {
442 syslog(priority, "%s", string);
443 }
444
xcloselog(BIO * bp)445 static void xcloselog(BIO *bp)
446 {
447 closelog();
448 }
449
450 # endif /* Unix */
451
452 #endif /* NO_SYSLOG */
453