crypto/openssl-0.9/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 "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$routines.h>
  78 #  include <starlet.h>
  79 #elif defined(__ultrix)
  80 #  include <sys/syslog.h>
  81 #elif defined(OPENSSL_SYS_NETWARE)
  82 #  define NO_SYSLOG
  83 #elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
  84 #  include <syslog.h>
  85 #endif
  86
  87 #include <openssl/buffer.h>
  88 #include <openssl/err.h>
  89
  90 #ifndef NO_SYSLOG
  91
  92 #if defined(OPENSSL_SYS_WIN32)
  93 #define LOG_EMERG       0
  94 #define LOG_ALERT       1
  95 #define LOG_CRIT        2
  96 #define LOG_ERR         3
  97 #define LOG_WARNING     4
  98 #define LOG_NOTICE      5
  99 #define LOG_INFO        6
 100 #define LOG_DEBUG       7
 101
 102 #define LOG_DAEMON      (3<<3)
 103 #elif defined(OPENSSL_SYS_VMS)
 104 /* On VMS, we don't really care about these, but we need them to compile */
 105 #define LOG_EMERG       0
 106 #define LOG_ALERT       1
 107 #define LOG_CRIT        2
 108 #define LOG_ERR         3
 109 #define LOG_WARNING     4
 110 #define LOG_NOTICE      5
 111 #define LOG_INFO        6
 112 #define LOG_DEBUG       7
 113
 114 #define LOG_DAEMON      OPC$M_NM_NTWORK
 115 #endif
 116
 117 static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
 118 static int MS_CALLBACK slg_puts(BIO *h, const char *str);
 119 static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 120 static int MS_CALLBACK slg_new(BIO *h);
 121 static int MS_CALLBACK slg_free(BIO *data);
 122 static void xopenlog(BIO* bp, char* name, int level);
 123 static void xsyslog(BIO* bp, int priority, const char* string);
 124 static void xcloselog(BIO* bp);
 125 #ifdef OPENSSL_SYS_WIN32
 126 LONG    (WINAPI *go_for_advapi)()       = RegOpenKeyEx;
 127 HANDLE  (WINAPI *register_event_source)()       = NULL;
 128 BOOL    (WINAPI *deregister_event_source)()     = NULL;
 129 BOOL    (WINAPI *report_event)()        = NULL;
 130 #define DL_PROC(m,f)    (GetProcAddress( m, f ))
 131 #ifdef UNICODE
 132 #define DL_PROC_X(m,f) DL_PROC( m, f "W" )
 133 #else
 134 #define DL_PROC_X(m,f) DL_PROC( m, f "A" )
 135 #endif
 136 #endif
 137
 138 static BIO_METHOD methods_slg=
 139         {
 140         BIO_TYPE_MEM,"syslog",
 141         slg_write,
 142         NULL,
 143         slg_puts,
 144         NULL,
 145         slg_ctrl,
 146         slg_new,
 147         slg_free,
 148         NULL,
 149         };
 150
 151 BIO_METHOD *BIO_s_log(void)
 152         {
 153         return(&methods_slg);
 154         }
 155
 156 static int MS_CALLBACK slg_new(BIO *bi)
 157         {
 158         bi->init=1;
 159         bi->num=0;
 160         bi->ptr=NULL;
 161         xopenlog(bi, "application", LOG_DAEMON);
 162         return(1);
 163         }
 164
 165 static int MS_CALLBACK slg_free(BIO *a)
 166         {
 167         if (a == NULL) return(0);
 168         xcloselog(a);
 169         return(1);
 170         }
 171
 172 static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
 173         {
 174         int ret= inl;
 175         char* buf;
 176         char* pp;
 177         int priority, i;
 178         static struct
 179                 {
 180                 int strl;
 181                 char str[10];
 182                 int log_level;
 183                 }
 184         mapping[] =
 185                 {
 186                 { 6, "PANIC ", LOG_EMERG },
 187                 { 6, "EMERG ", LOG_EMERG },
 188                 { 4, "EMR ", LOG_EMERG },
 189                 { 6, "ALERT ", LOG_ALERT },
 190                 { 4, "ALR ", LOG_ALERT },
 191                 { 5, "CRIT ", LOG_CRIT },
 192                 { 4, "CRI ", LOG_CRIT },
 193                 { 6, "ERROR ", LOG_ERR },
 194                 { 4, "ERR ", LOG_ERR },
 195                 { 8, "WARNING ", LOG_WARNING },
 196                 { 5, "WARN ", LOG_WARNING },
 197                 { 4, "WAR ", LOG_WARNING },
 198                 { 7, "NOTICE ", LOG_NOTICE },
 199                 { 5, "NOTE ", LOG_NOTICE },
 200                 { 4, "NOT ", LOG_NOTICE },
 201                 { 5, "INFO ", LOG_INFO },
 202                 { 4, "INF ", LOG_INFO },
 203                 { 6, "DEBUG ", LOG_DEBUG },
 204                 { 4, "DBG ", LOG_DEBUG },
 205                 { 0, "", LOG_ERR } /* The default */
 206                 };
 207
 208         if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
 209                 return(0);
 210         }
 211         strncpy(buf, in, inl);
 212         buf[inl]= '\0';
 213
 214         i = 0;
 215         while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
 216         priority = mapping[i].log_level;
 217         pp = buf + mapping[i].strl;
 218
 219         xsyslog(b, priority, pp);
 220
 221         OPENSSL_free(buf);
 222         return(ret);
 223         }
 224
 225 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
 226         {
 227         switch (cmd)
 228                 {
 229         case BIO_CTRL_SET:
 230                 xcloselog(b);
 231                 xopenlog(b, ptr, num);
 232                 break;
 233         default:
 234                 break;
 235                 }
 236         return(0);
 237         }
 238
 239 static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
 240         {
 241         int n,ret;
 242
 243         n=strlen(str);
 244         ret=slg_write(bp,str,n);
 245         return(ret);
 246         }
 247
 248 #if defined(OPENSSL_SYS_WIN32)
 249
 250 static void xopenlog(BIO* bp, char* name, int level)
 251 {
 252         if ( !register_event_source )
 253                 {
 254                 HANDLE  advapi;
 255                 if ( !(advapi = GetModuleHandle("advapi32")) )
 256                         return;
 257                 register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi,
 258                         "RegisterEventSource" );
 259                 deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi,
 260                         "DeregisterEventSource");
 261                 report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi,
 262                         "ReportEvent" );
 263                 if ( !(register_event_source && deregister_event_source &&
 264                                 report_event) )
 265                         {
 266                         register_event_source = NULL;
 267                         deregister_event_source = NULL;
 268                         report_event = NULL;
 269                         return;
 270                         }
 271                 }
 272         bp->ptr= (char *)register_event_source(NULL, name);
 273 }
 274
 275 static void xsyslog(BIO *bp, int priority, const char *string)
 276 {
 277         LPCSTR lpszStrings[2];
 278         WORD evtype= EVENTLOG_ERROR_TYPE;
 279         int pid = _getpid();
 280         char pidbuf[DECIMAL_SIZE(pid)+4];
 281
 282         switch (priority)
 283                 {
 284         case LOG_EMERG:
 285         case LOG_ALERT:
 286         case LOG_CRIT:
 287         case LOG_ERR:
 288                 evtype = EVENTLOG_ERROR_TYPE;
 289                 break;
 290         case LOG_WARNING:
 291                 evtype = EVENTLOG_WARNING_TYPE;
 292                 break;
 293         case LOG_NOTICE:
 294         case LOG_INFO:
 295         case LOG_DEBUG:
 296                 evtype = EVENTLOG_INFORMATION_TYPE;
 297                 break;
 298         default:                /* Should never happen, but set it
 299                                    as error anyway. */
 300                 evtype = EVENTLOG_ERROR_TYPE;
 301                 break;
 302                 }
 303
 304         sprintf(pidbuf, "[%d] ", pid);
 305         lpszStrings[0] = pidbuf;
 306         lpszStrings[1] = string;
 307
 308         if(report_event && bp->ptr)
 309                 report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
 310                                 lpszStrings, NULL);
 311 }
 312
 313 static void xcloselog(BIO* bp)
 314 {
 315         if(deregister_event_source && bp->ptr)
 316                 deregister_event_source((HANDLE)(bp->ptr));
 317         bp->ptr= NULL;
 318 }
 319
 320 #elif defined(OPENSSL_SYS_VMS)
 321
 322 static int VMS_OPC_target = LOG_DAEMON;
 323
 324 static void xopenlog(BIO* bp, char* name, int level)
 325 {
 326         VMS_OPC_target = level;
 327 }
 328
 329 static void xsyslog(BIO *bp, int priority, const char *string)
 330 {
 331         struct dsc$descriptor_s opc_dsc;
 332         struct opcdef *opcdef_p;
 333         char buf[10240];
 334         unsigned int len;
 335         struct dsc$descriptor_s buf_dsc;
 336         $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
 337         char *priority_tag;
 338
 339         switch (priority)
 340           {
 341           case LOG_EMERG: priority_tag = "Emergency"; break;
 342           case LOG_ALERT: priority_tag = "Alert"; break;
 343           case LOG_CRIT: priority_tag = "Critical"; break;
 344           case LOG_ERR: priority_tag = "Error"; break;
 345           case LOG_WARNING: priority_tag = "Warning"; break;
 346           case LOG_NOTICE: priority_tag = "Notice"; break;
 347           case LOG_INFO: priority_tag = "Info"; break;
 348           case LOG_DEBUG: priority_tag = "DEBUG"; break;
 349           }
 350
 351         buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 352         buf_dsc.dsc$b_class = DSC$K_CLASS_S;
 353         buf_dsc.dsc$a_pointer = buf;
 354         buf_dsc.dsc$w_length = sizeof(buf) - 1;
 355
 356         lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
 357
 358         /* we know there's an 8 byte header.  That's documented */
 359         opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len);
 360         opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
 361         memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
 362         opcdef_p->opc$l_ms_rqstid = 0;
 363         memcpy(&opcdef_p->opc$l_ms_text, buf, len);
 364
 365         opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 366         opc_dsc.dsc$b_class = DSC$K_CLASS_S;
 367         opc_dsc.dsc$a_pointer = (char *)opcdef_p;
 368         opc_dsc.dsc$w_length = len + 8;
 369
 370         sys$sndopr(opc_dsc, 0);
 371
 372         OPENSSL_free(opcdef_p);
 373 }
 374
 375 static void xcloselog(BIO* bp)
 376 {
 377 }
 378
 379 #else /* Unix/Watt32 */
 380
 381 static void xopenlog(BIO* bp, char* name, int level)
 382 {
 383 #ifdef WATT32   /* djgpp/DOS */
 384         openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
 385 #else
 386         openlog(name, LOG_PID|LOG_CONS, level);
 387 #endif
 388 }
 389
 390 static void xsyslog(BIO *bp, int priority, const char *string)
 391 {
 392         syslog(priority, "%s", string);
 393 }
 394
 395 static void xcloselog(BIO* bp)
 396 {
 397         closelog();
 398 }
 399
 400 #endif /* Unix */
 401
 402 #endif /* NO_SYSLOG */