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source: vbox/trunk/src/libs/openssl-3.1.7/crypto/bio/bss_log.c@ 107935

Last change on this file since 107935 was 104078, checked in by vboxsync, 11 months ago

openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
File size: 9.5 KB
Line 
1/*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * Why BIO_s_log?
12 *
13 * BIO_s_log is useful for system daemons (or services under NT). It is
14 * one-way BIO, it sends all stuff to syslogd (on system that commonly use
15 * that), or event log (on NT), or OPCOM (on OpenVMS).
16 *
17 */
18
19#include <stdio.h>
20#include <errno.h>
21
22#include "bio_local.h"
23#include "internal/cryptlib.h"
24
25#if defined(OPENSSL_SYS_WINCE)
26#elif defined(OPENSSL_SYS_WIN32)
27#elif defined(OPENSSL_SYS_VMS)
28# include <opcdef.h>
29# include <descrip.h>
30# include <lib$routines.h>
31# include <starlet.h>
32/* Some compiler options may mask the declaration of "_malloc32". */
33# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
34# if __INITIAL_POINTER_SIZE == 64
35# pragma pointer_size save
36# pragma pointer_size 32
37void *_malloc32(__size_t);
38# pragma pointer_size restore
39# endif /* __INITIAL_POINTER_SIZE == 64 */
40# endif /* __INITIAL_POINTER_SIZE && defined
41 * _ANSI_C_SOURCE */
42#elif defined(__DJGPP__) && defined(OPENSSL_NO_SOCK)
43# define NO_SYSLOG
44#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
45# include <syslog.h>
46#endif
47
48#include <openssl/buffer.h>
49#include <openssl/err.h>
50
51#ifndef NO_SYSLOG
52
53# if defined(OPENSSL_SYS_WIN32)
54# define LOG_EMERG 0
55# define LOG_ALERT 1
56# define LOG_CRIT 2
57# define LOG_ERR 3
58# define LOG_WARNING 4
59# define LOG_NOTICE 5
60# define LOG_INFO 6
61# define LOG_DEBUG 7
62
63# define LOG_DAEMON (3<<3)
64# elif defined(OPENSSL_SYS_VMS)
65/* On VMS, we don't really care about these, but we need them to compile */
66# define LOG_EMERG 0
67# define LOG_ALERT 1
68# define LOG_CRIT 2
69# define LOG_ERR 3
70# define LOG_WARNING 4
71# define LOG_NOTICE 5
72# define LOG_INFO 6
73# define LOG_DEBUG 7
74
75# define LOG_DAEMON OPC$M_NM_NTWORK
76# endif
77
78static int slg_write(BIO *h, const char *buf, int num);
79static int slg_puts(BIO *h, const char *str);
80static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
81static int slg_new(BIO *h);
82static int slg_free(BIO *data);
83static void xopenlog(BIO *bp, char *name, int level);
84static void xsyslog(BIO *bp, int priority, const char *string);
85static void xcloselog(BIO *bp);
86
87static const BIO_METHOD methods_slg = {
88 BIO_TYPE_MEM,
89 "syslog",
90 bwrite_conv,
91 slg_write,
92 NULL, /* slg_write_old, */
93 NULL, /* slg_read, */
94 slg_puts,
95 NULL,
96 slg_ctrl,
97 slg_new,
98 slg_free,
99 NULL, /* slg_callback_ctrl */
100};
101
102const BIO_METHOD *BIO_s_log(void)
103{
104 return &methods_slg;
105}
106
107static int slg_new(BIO *bi)
108{
109 bi->init = 1;
110 bi->num = 0;
111 bi->ptr = NULL;
112 xopenlog(bi, "application", LOG_DAEMON);
113 return 1;
114}
115
116static int slg_free(BIO *a)
117{
118 if (a == NULL)
119 return 0;
120 xcloselog(a);
121 return 1;
122}
123
124static int slg_write(BIO *b, const char *in, int inl)
125{
126 int ret = inl;
127 char *buf;
128 char *pp;
129 int priority, i;
130 static const struct {
131 int strl;
132 char str[10];
133 int log_level;
134 } mapping[] = {
135 {
136 6, "PANIC ", LOG_EMERG
137 },
138 {
139 6, "EMERG ", LOG_EMERG
140 },
141 {
142 4, "EMR ", LOG_EMERG
143 },
144 {
145 6, "ALERT ", LOG_ALERT
146 },
147 {
148 4, "ALR ", LOG_ALERT
149 },
150 {
151 5, "CRIT ", LOG_CRIT
152 },
153 {
154 4, "CRI ", LOG_CRIT
155 },
156 {
157 6, "ERROR ", LOG_ERR
158 },
159 {
160 4, "ERR ", LOG_ERR
161 },
162 {
163 8, "WARNING ", LOG_WARNING
164 },
165 {
166 5, "WARN ", LOG_WARNING
167 },
168 {
169 4, "WAR ", LOG_WARNING
170 },
171 {
172 7, "NOTICE ", LOG_NOTICE
173 },
174 {
175 5, "NOTE ", LOG_NOTICE
176 },
177 {
178 4, "NOT ", LOG_NOTICE
179 },
180 {
181 5, "INFO ", LOG_INFO
182 },
183 {
184 4, "INF ", LOG_INFO
185 },
186 {
187 6, "DEBUG ", LOG_DEBUG
188 },
189 {
190 4, "DBG ", LOG_DEBUG
191 },
192 {
193 0, "", LOG_ERR
194 }
195 /* The default */
196 };
197
198 if (inl < 0)
199 return 0;
200 if ((buf = OPENSSL_malloc(inl + 1)) == NULL) {
201 ERR_raise(ERR_LIB_BIO, ERR_R_MALLOC_FAILURE);
202 return 0;
203 }
204 memcpy(buf, in, inl);
205 buf[inl] = '\0';
206
207 i = 0;
208 while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
209 i++;
210 priority = mapping[i].log_level;
211 pp = buf + mapping[i].strl;
212
213 xsyslog(b, priority, pp);
214
215 OPENSSL_free(buf);
216 return ret;
217}
218
219static long slg_ctrl(BIO *b, int cmd, long num, void *ptr)
220{
221 switch (cmd) {
222 case BIO_CTRL_SET:
223 xcloselog(b);
224 xopenlog(b, ptr, num);
225 break;
226 default:
227 break;
228 }
229 return 0;
230}
231
232static int slg_puts(BIO *bp, const char *str)
233{
234 int n, ret;
235
236 n = strlen(str);
237 ret = slg_write(bp, str, n);
238 return ret;
239}
240
241# if defined(OPENSSL_SYS_WIN32)
242
243static void xopenlog(BIO *bp, char *name, int level)
244{
245 if (check_winnt())
246 bp->ptr = RegisterEventSourceA(NULL, name);
247 else
248 bp->ptr = NULL;
249}
250
251static void xsyslog(BIO *bp, int priority, const char *string)
252{
253 LPCSTR lpszStrings[2];
254 WORD evtype = EVENTLOG_ERROR_TYPE;
255 char pidbuf[DECIMAL_SIZE(DWORD) + 4];
256
257 if (bp->ptr == NULL)
258 return;
259
260 switch (priority) {
261 case LOG_EMERG:
262 case LOG_ALERT:
263 case LOG_CRIT:
264 case LOG_ERR:
265 evtype = EVENTLOG_ERROR_TYPE;
266 break;
267 case LOG_WARNING:
268 evtype = EVENTLOG_WARNING_TYPE;
269 break;
270 case LOG_NOTICE:
271 case LOG_INFO:
272 case LOG_DEBUG:
273 evtype = EVENTLOG_INFORMATION_TYPE;
274 break;
275 default:
276 /*
277 * Should never happen, but set it
278 * as error anyway.
279 */
280 evtype = EVENTLOG_ERROR_TYPE;
281 break;
282 }
283
284 sprintf(pidbuf, "[%lu] ", GetCurrentProcessId());
285 lpszStrings[0] = pidbuf;
286 lpszStrings[1] = string;
287
288 ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
289}
290
291static void xcloselog(BIO *bp)
292{
293 if (bp->ptr)
294 DeregisterEventSource((HANDLE) (bp->ptr));
295 bp->ptr = NULL;
296}
297
298# elif defined(OPENSSL_SYS_VMS)
299
300static int VMS_OPC_target = LOG_DAEMON;
301
302static void xopenlog(BIO *bp, char *name, int level)
303{
304 VMS_OPC_target = level;
305}
306
307static void xsyslog(BIO *bp, int priority, const char *string)
308{
309 struct dsc$descriptor_s opc_dsc;
310
311/* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */
312# if __INITIAL_POINTER_SIZE == 64
313# pragma pointer_size save
314# pragma pointer_size 32
315# define OPCDEF_TYPE __char_ptr32
316# define OPCDEF_MALLOC _malloc32
317# else /* __INITIAL_POINTER_SIZE == 64 */
318# define OPCDEF_TYPE char *
319# define OPCDEF_MALLOC OPENSSL_malloc
320# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
321
322 struct opcdef *opcdef_p;
323
324# if __INITIAL_POINTER_SIZE == 64
325# pragma pointer_size restore
326# endif /* __INITIAL_POINTER_SIZE == 64 */
327
328 char buf[10240];
329 unsigned int len;
330 struct dsc$descriptor_s buf_dsc;
331 $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
332 char *priority_tag;
333
334 switch (priority) {
335 case LOG_EMERG:
336 priority_tag = "Emergency";
337 break;
338 case LOG_ALERT:
339 priority_tag = "Alert";
340 break;
341 case LOG_CRIT:
342 priority_tag = "Critical";
343 break;
344 case LOG_ERR:
345 priority_tag = "Error";
346 break;
347 case LOG_WARNING:
348 priority_tag = "Warning";
349 break;
350 case LOG_NOTICE:
351 priority_tag = "Notice";
352 break;
353 case LOG_INFO:
354 priority_tag = "Info";
355 break;
356 case LOG_DEBUG:
357 priority_tag = "DEBUG";
358 break;
359 }
360
361 buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
362 buf_dsc.dsc$b_class = DSC$K_CLASS_S;
363 buf_dsc.dsc$a_pointer = buf;
364 buf_dsc.dsc$w_length = sizeof(buf) - 1;
365
366 lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
367
368 /* We know there's an 8-byte header. That's documented. */
369 opcdef_p = OPCDEF_MALLOC(8 + len);
370 opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
371 memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
372 opcdef_p->opc$l_ms_rqstid = 0;
373 memcpy(&opcdef_p->opc$l_ms_text, buf, len);
374
375 opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
376 opc_dsc.dsc$b_class = DSC$K_CLASS_S;
377 opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
378 opc_dsc.dsc$w_length = len + 8;
379
380 sys$sndopr(opc_dsc, 0);
381
382 OPENSSL_free(opcdef_p);
383}
384
385static void xcloselog(BIO *bp)
386{
387}
388
389# else /* Unix/Watt32 */
390
391static void xopenlog(BIO *bp, char *name, int level)
392{
393# ifdef WATT32 /* djgpp/DOS */
394 openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
395# else
396 openlog(name, LOG_PID | LOG_CONS, level);
397# endif
398}
399
400static void xsyslog(BIO *bp, int priority, const char *string)
401{
402 syslog(priority, "%s", string);
403}
404
405static void xcloselog(BIO *bp)
406{
407 closelog();
408}
409
410# endif /* Unix */
411
412#else /* NO_SYSLOG */
413const BIO_METHOD *BIO_s_log(void)
414{
415 return NULL;
416}
417#endif /* NO_SYSLOG */
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