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#elif defined(OPENSSL_SYS_VMS) 73# include <opcdef.h> 74# include <descrip.h> 75# include <lib$routines.h> 76# include <starlet.h> 77/* Some compiler options may mask the declaration of "_malloc32". */ 78# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE 79# if __INITIAL_POINTER_SIZE == 64 80# pragma pointer_size save 81# pragma pointer_size 32 82void *_malloc32(__size_t); 83# pragma pointer_size restore 84# endif /* __INITIAL_POINTER_SIZE == 64 */ 85# endif /* __INITIAL_POINTER_SIZE && defined 86 * _ANSI_C_SOURCE */ 87#elif defined(__ultrix) 88# include <sys/syslog.h> 89#elif defined(OPENSSL_SYS_NETWARE) 90# define NO_SYSLOG 91#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG) 92# include <syslog.h> 93#endif 94 95#include <openssl/buffer.h> 96#include <openssl/err.h> 97 98#ifndef NO_SYSLOG 99 100# if defined(OPENSSL_SYS_WIN32) 101# define LOG_EMERG 0 102# define LOG_ALERT 1 103# define LOG_CRIT 2 104# define LOG_ERR 3 105# define LOG_WARNING 4 106# define LOG_NOTICE 5 107# define LOG_INFO 6 108# define LOG_DEBUG 7 109 110# define LOG_DAEMON (3<<3) 111# elif defined(OPENSSL_SYS_VMS) 112/* On VMS, we don't really care about these, but we need them to compile */ 113# define LOG_EMERG 0 114# define LOG_ALERT 1 115# define LOG_CRIT 2 116# define LOG_ERR 3 117# define LOG_WARNING 4 118# define LOG_NOTICE 5 119# define LOG_INFO 6 120# define LOG_DEBUG 7 121 122# define LOG_DAEMON OPC$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 BIO_TYPE_MEM, "syslog", 136 slg_write, 137 NULL, 138 slg_puts, 139 NULL, 140 slg_ctrl, 141 slg_new, 142 slg_free, 143 NULL, 144}; 145 146BIO_METHOD *BIO_s_log(void) 147{ 148 return (&methods_slg); 149} 150 151static int MS_CALLBACK slg_new(BIO *bi) 152{ 153 bi->init = 1; 154 bi->num = 0; 155 bi->ptr = NULL; 156 xopenlog(bi, "application", LOG_DAEMON); 157 return (1); 158} 159 160static int MS_CALLBACK slg_free(BIO *a) 161{ 162 if (a == NULL) 163 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 int strl; 176 char str[10]; 177 int log_level; 178 } mapping[] = { 179 { 180 6, "PANIC ", LOG_EMERG 181 }, 182 { 183 6, "EMERG ", LOG_EMERG 184 }, 185 { 186 4, "EMR ", LOG_EMERG 187 }, 188 { 189 6, "ALERT ", LOG_ALERT 190 }, 191 { 192 4, "ALR ", LOG_ALERT 193 }, 194 { 195 5, "CRIT ", LOG_CRIT 196 }, 197 { 198 4, "CRI ", LOG_CRIT 199 }, 200 { 201 6, "ERROR ", LOG_ERR 202 }, 203 { 204 4, "ERR ", LOG_ERR 205 }, 206 { 207 8, "WARNING ", LOG_WARNING 208 }, 209 { 210 5, "WARN ", LOG_WARNING 211 }, 212 { 213 4, "WAR ", LOG_WARNING 214 }, 215 { 216 7, "NOTICE ", LOG_NOTICE 217 }, 218 { 219 5, "NOTE ", LOG_NOTICE 220 }, 221 { 222 4, "NOT ", LOG_NOTICE 223 }, 224 { 225 5, "INFO ", LOG_INFO 226 }, 227 { 228 4, "INF ", LOG_INFO 229 }, 230 { 231 6, "DEBUG ", LOG_DEBUG 232 }, 233 { 234 4, "DBG ", LOG_DEBUG 235 }, 236 { 237 0, "", LOG_ERR 238 } 239 /* The default */ 240 }; 241 242 if ((buf = (char *)OPENSSL_malloc(inl + 1)) == NULL) { 243 return (0); 244 } 245 strncpy(buf, in, inl); 246 buf[inl] = '\0'; 247 248 i = 0; 249 while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0) 250 i++; 251 priority = mapping[i].log_level; 252 pp = buf + mapping[i].strl; 253 254 xsyslog(b, priority, pp); 255 256 OPENSSL_free(buf); 257 return (ret); 258} 259 260static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr) 261{ 262 switch (cmd) { 263 case BIO_CTRL_SET: 264 xcloselog(b); 265 xopenlog(b, ptr, num); 266 break; 267 default: 268 break; 269 } 270 return (0); 271} 272 273static int MS_CALLBACK slg_puts(BIO *bp, const char *str) 274{ 275 int n, ret; 276 277 n = strlen(str); 278 ret = slg_write(bp, str, n); 279 return (ret); 280} 281 282# if defined(OPENSSL_SYS_WIN32) 283 284static void xopenlog(BIO *bp, char *name, int level) 285{ 286 if (check_winnt()) 287 bp->ptr = RegisterEventSourceA(NULL, name); 288 else 289 bp->ptr = NULL; 290} 291 292static void xsyslog(BIO *bp, int priority, const char *string) 293{ 294 LPCSTR lpszStrings[2]; 295 WORD evtype = EVENTLOG_ERROR_TYPE; 296 char pidbuf[DECIMAL_SIZE(DWORD) + 4]; 297 298 if (bp->ptr == NULL) 299 return; 300 301 switch (priority) { 302 case LOG_EMERG: 303 case LOG_ALERT: 304 case LOG_CRIT: 305 case LOG_ERR: 306 evtype = EVENTLOG_ERROR_TYPE; 307 break; 308 case LOG_WARNING: 309 evtype = EVENTLOG_WARNING_TYPE; 310 break; 311 case LOG_NOTICE: 312 case LOG_INFO: 313 case LOG_DEBUG: 314 evtype = EVENTLOG_INFORMATION_TYPE; 315 break; 316 default: 317 /* 318 * Should never happen, but set it 319 * as error anyway. 320 */ 321 evtype = EVENTLOG_ERROR_TYPE; 322 break; 323 } 324 325 sprintf(pidbuf, "[%u] ", GetCurrentProcessId()); 326 lpszStrings[0] = pidbuf; 327 lpszStrings[1] = string; 328 329 ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL); 330} 331 332static void xcloselog(BIO *bp) 333{ 334 if (bp->ptr) 335 DeregisterEventSource((HANDLE) (bp->ptr)); 336 bp->ptr = NULL; 337} 338 339# elif defined(OPENSSL_SYS_VMS) 340 341static int VMS_OPC_target = LOG_DAEMON; 342 343static void xopenlog(BIO *bp, char *name, int level) 344{ 345 VMS_OPC_target = level; 346} 347 348static void xsyslog(BIO *bp, int priority, const char *string) 349{ 350 struct dsc$descriptor_s opc_dsc; 351 352/* Arrange 32-bit pointer to opcdef buffer and malloc(), if needed. */ 353# if __INITIAL_POINTER_SIZE == 64 354# pragma pointer_size save 355# pragma pointer_size 32 356# define OPCDEF_TYPE __char_ptr32 357# define OPCDEF_MALLOC _malloc32 358# else /* __INITIAL_POINTER_SIZE == 64 */ 359# define OPCDEF_TYPE char * 360# define OPCDEF_MALLOC OPENSSL_malloc 361# endif /* __INITIAL_POINTER_SIZE == 64 [else] */ 362 363 struct opcdef *opcdef_p; 364 365# if __INITIAL_POINTER_SIZE == 64 366# pragma pointer_size restore 367# endif /* __INITIAL_POINTER_SIZE == 64 */ 368 369 char buf[10240]; 370 unsigned int len; 371 struct dsc$descriptor_s buf_dsc; 372 $DESCRIPTOR(fao_cmd, "!AZ: !AZ"); 373 char *priority_tag; 374 375 switch (priority) { 376 case LOG_EMERG: 377 priority_tag = "Emergency"; 378 break; 379 case LOG_ALERT: 380 priority_tag = "Alert"; 381 break; 382 case LOG_CRIT: 383 priority_tag = "Critical"; 384 break; 385 case LOG_ERR: 386 priority_tag = "Error"; 387 break; 388 case LOG_WARNING: 389 priority_tag = "Warning"; 390 break; 391 case LOG_NOTICE: 392 priority_tag = "Notice"; 393 break; 394 case LOG_INFO: 395 priority_tag = "Info"; 396 break; 397 case LOG_DEBUG: 398 priority_tag = "DEBUG"; 399 break; 400 } 401 402 buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 403 buf_dsc.dsc$b_class = DSC$K_CLASS_S; 404 buf_dsc.dsc$a_pointer = buf; 405 buf_dsc.dsc$w_length = sizeof(buf) - 1; 406 407 lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string); 408 409 /* We know there's an 8-byte header. That's documented. */ 410 opcdef_p = OPCDEF_MALLOC(8 + len); 411 opcdef_p->opc$b_ms_type = OPC$_RQ_RQST; 412 memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3); 413 opcdef_p->opc$l_ms_rqstid = 0; 414 memcpy(&opcdef_p->opc$l_ms_text, buf, len); 415 416 opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 417 opc_dsc.dsc$b_class = DSC$K_CLASS_S; 418 opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p; 419 opc_dsc.dsc$w_length = len + 8; 420 421 sys$sndopr(opc_dsc, 0); 422 423 OPENSSL_free(opcdef_p); 424} 425 426static void xcloselog(BIO *bp) 427{ 428} 429 430# else /* Unix/Watt32 */ 431 432static void xopenlog(BIO *bp, char *name, int level) 433{ 434# ifdef WATT32 /* djgpp/DOS */ 435 openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level); 436# else 437 openlog(name, LOG_PID | LOG_CONS, level); 438# endif 439} 440 441static void xsyslog(BIO *bp, int priority, const char *string) 442{ 443 syslog(priority, "%s", string); 444} 445 446static void xcloselog(BIO *bp) 447{ 448 closelog(); 449} 450 451# endif /* Unix */ 452 453#endif /* NO_SYSLOG */ 454