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 # include <process.h> 74 #elif defined(OPENSSL_SYS_VMS) 75 # include <opcdef.h> 76 # include <descrip.h> 77 # include <lib$routines.h> 78 # include <starlet.h> 79 #elif defined(__ultrix) 80 # include <sys/syslog.h> 81 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG) 82 # include <syslog.h> 83 #endif 84 85 #include <openssl/buffer.h> 86 #include <openssl/err.h> 87 88 #ifndef NO_SYSLOG 89 90 #if defined(OPENSSL_SYS_WIN32) 91 #define LOG_EMERG 0 92 #define LOG_ALERT 1 93 #define LOG_CRIT 2 94 #define LOG_ERR 3 95 #define LOG_WARNING 4 96 #define LOG_NOTICE 5 97 #define LOG_INFO 6 98 #define LOG_DEBUG 7 99 100 #define LOG_DAEMON (3<<3) 101 #elif defined(OPENSSL_SYS_VMS) 102 /* On VMS, we don't really care about these, but we need them to compile */ 103 #define LOG_EMERG 0 104 #define LOG_ALERT 1 105 #define LOG_CRIT 2 106 #define LOG_ERR 3 107 #define LOG_WARNING 4 108 #define LOG_NOTICE 5 109 #define LOG_INFO 6 110 #define LOG_DEBUG 7 111 112 #define LOG_DAEMON OPC$M_NM_NTWORK 113 #endif 114 115 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num); 116 static int MS_CALLBACK slg_puts(BIO *h, const char *str); 117 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2); 118 static int MS_CALLBACK slg_new(BIO *h); 119 static int MS_CALLBACK slg_free(BIO *data); 120 static void xopenlog(BIO* bp, char* name, int level); 121 static void xsyslog(BIO* bp, int priority, const char* string); 122 static void xcloselog(BIO* bp); 123 #ifdef OPENSSL_SYS_WIN32 124 LONG (WINAPI *go_for_advapi)() = RegOpenKeyEx; 125 HANDLE (WINAPI *register_event_source)() = NULL; 126 BOOL (WINAPI *deregister_event_source)() = NULL; 127 BOOL (WINAPI *report_event)() = NULL; 128 #define DL_PROC(m,f) (GetProcAddress( m, f )) 129 #ifdef UNICODE 130 #define DL_PROC_X(m,f) DL_PROC( m, f "W" ) 131 #else 132 #define DL_PROC_X(m,f) DL_PROC( m, f "A" ) 133 #endif 134 #endif 135 136 static BIO_METHOD methods_slg= 137 { 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 }; 148 149 BIO_METHOD *BIO_s_log(void) 150 { 151 return(&methods_slg); 152 } 153 154 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 } 162 163 static int MS_CALLBACK slg_free(BIO *a) 164 { 165 if (a == NULL) return(0); 166 xcloselog(a); 167 return(1); 168 } 169 170 static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl) 171 { 172 int ret= inl; 173 char* buf; 174 char* pp; 175 int priority, i; 176 static struct 177 { 178 int strl; 179 char str[10]; 180 int log_level; 181 } 182 mapping[] = 183 { 184 { 6, "PANIC ", LOG_EMERG }, 185 { 6, "EMERG ", LOG_EMERG }, 186 { 4, "EMR ", LOG_EMERG }, 187 { 6, "ALERT ", LOG_ALERT }, 188 { 4, "ALR ", LOG_ALERT }, 189 { 5, "CRIT ", LOG_CRIT }, 190 { 4, "CRI ", LOG_CRIT }, 191 { 6, "ERROR ", LOG_ERR }, 192 { 4, "ERR ", LOG_ERR }, 193 { 8, "WARNING ", LOG_WARNING }, 194 { 5, "WARN ", LOG_WARNING }, 195 { 4, "WAR ", LOG_WARNING }, 196 { 7, "NOTICE ", LOG_NOTICE }, 197 { 5, "NOTE ", LOG_NOTICE }, 198 { 4, "NOT ", LOG_NOTICE }, 199 { 5, "INFO ", LOG_INFO }, 200 { 4, "INF ", LOG_INFO }, 201 { 6, "DEBUG ", LOG_DEBUG }, 202 { 4, "DBG ", LOG_DEBUG }, 203 { 0, "", LOG_ERR } /* The default */ 204 }; 205 206 if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){ 207 return(0); 208 } 209 strncpy(buf, in, inl); 210 buf[inl]= '\0'; 211 212 i = 0; 213 while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++; 214 priority = mapping[i].log_level; 215 pp = buf + mapping[i].strl; 216 217 xsyslog(b, priority, pp); 218 219 OPENSSL_free(buf); 220 return(ret); 221 } 222 223 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr) 224 { 225 switch (cmd) 226 { 227 case BIO_CTRL_SET: 228 xcloselog(b); 229 xopenlog(b, ptr, num); 230 break; 231 default: 232 break; 233 } 234 return(0); 235 } 236 237 static int MS_CALLBACK slg_puts(BIO *bp, const char *str) 238 { 239 int n,ret; 240 241 n=strlen(str); 242 ret=slg_write(bp,str,n); 243 return(ret); 244 } 245 246 #if defined(OPENSSL_SYS_WIN32) 247 248 static void xopenlog(BIO* bp, char* name, int level) 249 { 250 if ( !register_event_source ) 251 { 252 HANDLE advapi; 253 if ( !(advapi = GetModuleHandle("advapi32")) ) 254 return; 255 register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi, 256 "RegisterEventSource" ); 257 deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi, 258 "DeregisterEventSource"); 259 report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi, 260 "ReportEvent" ); 261 if ( !(register_event_source && deregister_event_source && 262 report_event) ) 263 { 264 register_event_source = NULL; 265 deregister_event_source = NULL; 266 report_event = NULL; 267 return; 268 } 269 } 270 bp->ptr= (char *)register_event_source(NULL, name); 271 } 272 273 static void xsyslog(BIO *bp, int priority, const char *string) 274 { 275 LPCSTR lpszStrings[2]; 276 WORD evtype= EVENTLOG_ERROR_TYPE; 277 int pid = _getpid(); 278 char pidbuf[DECIMAL_SIZE(pid)+4]; 279 280 switch (priority) 281 { 282 case LOG_EMERG: 283 case LOG_ALERT: 284 case LOG_CRIT: 285 case LOG_ERR: 286 evtype = EVENTLOG_ERROR_TYPE; 287 break; 288 case LOG_WARNING: 289 evtype = EVENTLOG_WARNING_TYPE; 290 break; 291 case LOG_NOTICE: 292 case LOG_INFO: 293 case LOG_DEBUG: 294 evtype = EVENTLOG_INFORMATION_TYPE; 295 break; 296 default: /* Should never happen, but set it 297 as error anyway. */ 298 evtype = EVENTLOG_ERROR_TYPE; 299 break; 300 } 301 302 sprintf(pidbuf, "[%d] ", pid); 303 lpszStrings[0] = pidbuf; 304 lpszStrings[1] = string; 305 306 if(report_event && bp->ptr) 307 report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0, 308 lpszStrings, NULL); 309 } 310 311 static void xcloselog(BIO* bp) 312 { 313 if(deregister_event_source && bp->ptr) 314 deregister_event_source((HANDLE)(bp->ptr)); 315 bp->ptr= NULL; 316 } 317 318 #elif defined(OPENSSL_SYS_VMS) 319 320 static int VMS_OPC_target = LOG_DAEMON; 321 322 static void xopenlog(BIO* bp, char* name, int level) 323 { 324 VMS_OPC_target = level; 325 } 326 327 static void xsyslog(BIO *bp, int priority, const char *string) 328 { 329 struct dsc$descriptor_s opc_dsc; 330 struct opcdef *opcdef_p; 331 char buf[10240]; 332 unsigned int len; 333 struct dsc$descriptor_s buf_dsc; 334 $DESCRIPTOR(fao_cmd, "!AZ: !AZ"); 335 char *priority_tag; 336 337 switch (priority) 338 { 339 case LOG_EMERG: priority_tag = "Emergency"; break; 340 case LOG_ALERT: priority_tag = "Alert"; break; 341 case LOG_CRIT: priority_tag = "Critical"; break; 342 case LOG_ERR: priority_tag = "Error"; break; 343 case LOG_WARNING: priority_tag = "Warning"; break; 344 case LOG_NOTICE: priority_tag = "Notice"; break; 345 case LOG_INFO: priority_tag = "Info"; break; 346 case LOG_DEBUG: priority_tag = "DEBUG"; break; 347 } 348 349 buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 350 buf_dsc.dsc$b_class = DSC$K_CLASS_S; 351 buf_dsc.dsc$a_pointer = buf; 352 buf_dsc.dsc$w_length = sizeof(buf) - 1; 353 354 lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string); 355 356 /* we know there's an 8 byte header. That's documented */ 357 opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len); 358 opcdef_p->opc$b_ms_type = OPC$_RQ_RQST; 359 memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3); 360 opcdef_p->opc$l_ms_rqstid = 0; 361 memcpy(&opcdef_p->opc$l_ms_text, buf, len); 362 363 opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 364 opc_dsc.dsc$b_class = DSC$K_CLASS_S; 365 opc_dsc.dsc$a_pointer = (char *)opcdef_p; 366 opc_dsc.dsc$w_length = len + 8; 367 368 sys$sndopr(opc_dsc, 0); 369 370 OPENSSL_free(opcdef_p); 371 } 372 373 static void xcloselog(BIO* bp) 374 { 375 } 376 377 #else /* Unix/Watt32 */ 378 379 static void xopenlog(BIO* bp, char* name, int level) 380 { 381 #ifdef WATT32 /* djgpp/DOS */ 382 openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level); 383 #else 384 openlog(name, LOG_PID|LOG_CONS, level); 385 #endif 386 } 387 388 static void xsyslog(BIO *bp, int priority, const char *string) 389 { 390 syslog(priority, "%s", string); 391 } 392 393 static void xcloselog(BIO* bp) 394 { 395 closelog(); 396 } 397 398 #endif /* Unix */ 399 400 #endif /* NO_SYSLOG */ 401