crypto/bio/bss_log.c

   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 <openssl/e_os2.h>
  70
  71 #if 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$routines.h>
  77 #  include <starlet.h>
  78 #elif defined(__ultrix)
  79 #  include <sys/syslog.h>
  80 #elif !defined(MSDOS) && !defined(NO_SYSLOG) /* Unix */
  81 #  include <syslog.h>
  82 #endif
  83
  84 #include "cryptlib.h"
  85 #include <openssl/buffer.h>
  86 #include <openssl/err.h>
  87
  88 #ifndef NO_SYSLOG
  89
  90 #if defined(OPENSSL_SYS_WIN32)
  91 #define LOG_EMERG       0
  92 #define LOG_ALERT       1
  93 #define LOG_CRIT        2
  94 #define LOG_ERR         3
  95 #define LOG_WARNING     4
  96 #define LOG_NOTICE      5
  97 #define LOG_INFO        6
  98 #define LOG_DEBUG       7
  99
 100 #define LOG_DAEMON      (3<<3)
 101 #elif defined(OPENSSL_SYS_VMS)
 102 /* On VMS, we don't really care about these, but we need them to compile */
 103 #define LOG_EMERG       0
 104 #define LOG_ALERT       1
 105 #define LOG_CRIT        2
 106 #define LOG_ERR         3
 107 #define LOG_WARNING     4
 108 #define LOG_NOTICE      5
 109 #define LOG_INFO        6
 110 #define LOG_DEBUG       7
 111
 112 #define LOG_DAEMON      OPC$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[20];
 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 */
 378
 379 static void xopenlog(BIO* bp, char* name, int level)
 380 {
 381         openlog(name, LOG_PID|LOG_CONS, level);
 382 }
 383
 384 static void xsyslog(BIO *bp, int priority, const char *string)
 385 {
 386         syslog(priority, "%s", string);
 387 }
 388
 389 static void xcloselog(BIO* bp)
 390 {
 391         closelog();
 392 }
 393
 394 #endif /* Unix */
 395
 396 #endif /* NO_SYSLOG */