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 #if defined(WIN32) 70 # include <process.h> 71 #elif defined(VMS) || defined(__VMS) 72 # include <opcdef.h> 73 # include <descrip.h> 74 # include <lib$routines.h> 75 # include <starlet.h> 76 #elif defined(__ultrix) 77 # include <sys/syslog.h> 78 #elif !defined(MSDOS) /* Unix */ 79 # include <syslog.h> 80 #endif 81 82 #include "cryptlib.h" 83 #include <openssl/buffer.h> 84 #include <openssl/err.h> 85 86 #ifndef NO_SYSLOG 87 88 #if defined(WIN32) 89 #define LOG_EMERG 0 90 #define LOG_ALERT 1 91 #define LOG_CRIT 2 92 #define LOG_ERR 3 93 #define LOG_WARNING 4 94 #define LOG_NOTICE 5 95 #define LOG_INFO 6 96 #define LOG_DEBUG 7 97 98 #define LOG_DAEMON (3<<3) 99 #elif defined(VMS) 100 /* On VMS, we don't really care about these, but we need them to compile */ 101 #define LOG_EMERG 0 102 #define LOG_ALERT 1 103 #define LOG_CRIT 2 104 #define LOG_ERR 3 105 #define LOG_WARNING 4 106 #define LOG_NOTICE 5 107 #define LOG_INFO 6 108 #define LOG_DEBUG 7 109 110 #define LOG_DAEMON OPC$M_NM_NTWORK 111 #endif 112 113 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num); 114 static int MS_CALLBACK slg_puts(BIO *h, const char *str); 115 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2); 116 static int MS_CALLBACK slg_new(BIO *h); 117 static int MS_CALLBACK slg_free(BIO *data); 118 static void xopenlog(BIO* bp, char* name, int level); 119 static void xsyslog(BIO* bp, int priority, const char* string); 120 static void xcloselog(BIO* bp); 121 #ifdef WIN32 122 LONG (WINAPI *go_for_advapi)() = RegOpenKeyEx; 123 HANDLE (WINAPI *register_event_source)() = NULL; 124 BOOL (WINAPI *deregister_event_source)() = NULL; 125 BOOL (WINAPI *report_event)() = NULL; 126 #define DL_PROC(m,f) (GetProcAddress( m, f )) 127 #ifdef UNICODE 128 #define DL_PROC_X(m,f) DL_PROC( m, f "W" ) 129 #else 130 #define DL_PROC_X(m,f) DL_PROC( m, f "A" ) 131 #endif 132 #endif 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 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(WIN32) 245 246 static void xopenlog(BIO* bp, char* name, int level) 247 { 248 if ( !register_event_source ) 249 { 250 HANDLE advapi; 251 if ( !(advapi = GetModuleHandle("advapi32")) ) 252 return; 253 register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi, 254 "RegisterEventSource" ); 255 deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi, 256 "DeregisterEventSource"); 257 report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi, 258 "ReportEvent" ); 259 if ( !(register_event_source && deregister_event_source && 260 report_event) ) 261 { 262 register_event_source = NULL; 263 deregister_event_source = NULL; 264 report_event = NULL; 265 return; 266 } 267 } 268 bp->ptr= (char *)register_event_source(NULL, name); 269 } 270 271 static void xsyslog(BIO *bp, int priority, const char *string) 272 { 273 LPCSTR lpszStrings[2]; 274 WORD evtype= EVENTLOG_ERROR_TYPE; 275 int pid = _getpid(); 276 char pidbuf[20]; 277 278 switch (priority) 279 { 280 case LOG_EMERG: 281 case LOG_ALERT: 282 case LOG_CRIT: 283 case LOG_ERR: 284 evtype = EVENTLOG_ERROR_TYPE; 285 break; 286 case LOG_WARNING: 287 evtype = EVENTLOG_WARNING_TYPE; 288 break; 289 case LOG_NOTICE: 290 case LOG_INFO: 291 case LOG_DEBUG: 292 evtype = EVENTLOG_INFORMATION_TYPE; 293 break; 294 default: /* Should never happen, but set it 295 as error anyway. */ 296 evtype = EVENTLOG_ERROR_TYPE; 297 break; 298 } 299 300 sprintf(pidbuf, "[%d] ", pid); 301 lpszStrings[0] = pidbuf; 302 lpszStrings[1] = string; 303 304 if(report_event && bp->ptr) 305 report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0, 306 lpszStrings, NULL); 307 } 308 309 static void xcloselog(BIO* bp) 310 { 311 if(deregister_event_source && bp->ptr) 312 deregister_event_source((HANDLE)(bp->ptr)); 313 bp->ptr= NULL; 314 } 315 316 #elif defined(VMS) 317 318 static int VMS_OPC_target = LOG_DAEMON; 319 320 static void xopenlog(BIO* bp, char* name, int level) 321 { 322 VMS_OPC_target = level; 323 } 324 325 static void xsyslog(BIO *bp, int priority, const char *string) 326 { 327 struct dsc$descriptor_s opc_dsc; 328 struct opcdef *opcdef_p; 329 char buf[10240]; 330 unsigned int len; 331 struct dsc$descriptor_s buf_dsc; 332 $DESCRIPTOR(fao_cmd, "!AZ: !AZ"); 333 char *priority_tag; 334 335 switch (priority) 336 { 337 case LOG_EMERG: priority_tag = "Emergency"; break; 338 case LOG_ALERT: priority_tag = "Alert"; break; 339 case LOG_CRIT: priority_tag = "Critical"; break; 340 case LOG_ERR: priority_tag = "Error"; break; 341 case LOG_WARNING: priority_tag = "Warning"; break; 342 case LOG_NOTICE: priority_tag = "Notice"; break; 343 case LOG_INFO: priority_tag = "Info"; break; 344 case LOG_DEBUG: priority_tag = "DEBUG"; break; 345 } 346 347 buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 348 buf_dsc.dsc$b_class = DSC$K_CLASS_S; 349 buf_dsc.dsc$a_pointer = buf; 350 buf_dsc.dsc$w_length = sizeof(buf) - 1; 351 352 lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string); 353 354 /* we know there's an 8 byte header. That's documented */ 355 opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len); 356 opcdef_p->opc$b_ms_type = OPC$_RQ_RQST; 357 memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3); 358 opcdef_p->opc$l_ms_rqstid = 0; 359 memcpy(&opcdef_p->opc$l_ms_text, buf, len); 360 361 opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T; 362 opc_dsc.dsc$b_class = DSC$K_CLASS_S; 363 opc_dsc.dsc$a_pointer = (char *)opcdef_p; 364 opc_dsc.dsc$w_length = len + 8; 365 366 sys$sndopr(opc_dsc, 0); 367 368 OPENSSL_free(opcdef_p); 369 } 370 371 static void xcloselog(BIO* bp) 372 { 373 } 374 375 #else /* Unix */ 376 377 static void xopenlog(BIO* bp, char* name, int level) 378 { 379 openlog(name, LOG_PID|LOG_CONS, level); 380 } 381 382 static void xsyslog(BIO *bp, int priority, const char *string) 383 { 384 syslog(priority, "%s", string); 385 } 386 387 static void xcloselog(BIO* bp) 388 { 389 closelog(); 390 } 391 392 #endif /* Unix */ 393 394 #endif /* NO_SYSLOG */ 395