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 #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;
 174
 175         if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
 176                 return(0);
 177         }
 178         strncpy(buf, in, inl);
 179         buf[inl]= '\0';
 180
 181         if(strncmp(buf, "ERR ", 4) == 0){
 182                 priority= LOG_ERR;
 183                 pp= buf+ 4;
 184         }else if(strncmp(buf, "WAR ", 4) == 0){
 185                 priority= LOG_WARNING;
 186                 pp= buf+ 4;
 187         }else if(strncmp(buf, "INF ", 4) == 0){
 188                 priority= LOG_INFO;
 189                 pp= buf+ 4;
 190         }else{
 191                 priority= LOG_ERR;
 192                 pp= buf;
 193         }
 194
 195         xsyslog(b, priority, pp);
 196
 197         OPENSSL_free(buf);
 198         return(ret);
 199         }
 200
 201 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
 202         {
 203         switch (cmd)
 204                 {
 205         case BIO_CTRL_SET:
 206                 xcloselog(b);
 207                 xopenlog(b, ptr, num);
 208                 break;
 209         default:
 210                 break;
 211                 }
 212         return(0);
 213         }
 214
 215 static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
 216         {
 217         int n,ret;
 218
 219         n=strlen(str);
 220         ret=slg_write(bp,str,n);
 221         return(ret);
 222         }
 223
 224 #if defined(WIN32)
 225
 226 static void xopenlog(BIO* bp, char* name, int level)
 227 {
 228         if ( !register_event_source )
 229                 {
 230                 HANDLE  advapi;
 231                 if ( !(advapi = GetModuleHandle("advapi32")) )
 232                         return;
 233                 register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi,
 234                         "RegisterEventSource" );
 235                 deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi,
 236                         "DeregisterEventSource");
 237                 report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi,
 238                         "ReportEvent" );
 239                 if ( !(register_event_source && deregister_event_source &&
 240                                 report_event) )
 241                         {
 242                         register_event_source = NULL;
 243                         deregister_event_source = NULL;
 244                         report_event = NULL;
 245                         return;
 246                         }
 247                 }
 248         bp->ptr= (char *)register_event_source(NULL, name);
 249 }
 250
 251 static void xsyslog(BIO *bp, int priority, const char *string)
 252 {
 253         LPCSTR lpszStrings[2];
 254         WORD evtype= EVENTLOG_ERROR_TYPE;
 255         int pid = _getpid();
 256         char pidbuf[20];
 257
 258         switch (priority)
 259                 {
 260         case LOG_ERR:
 261                 evtype = EVENTLOG_ERROR_TYPE;
 262                 break;
 263         case LOG_WARNING:
 264                 evtype = EVENTLOG_WARNING_TYPE;
 265                 break;
 266         case LOG_INFO:
 267                 evtype = EVENTLOG_INFORMATION_TYPE;
 268                 break;
 269         default:
 270                 evtype = EVENTLOG_ERROR_TYPE;
 271                 break;
 272                 }
 273
 274         sprintf(pidbuf, "[%d] ", pid);
 275         lpszStrings[0] = pidbuf;
 276         lpszStrings[1] = string;
 277
 278         if(report_event && bp->ptr)
 279                 report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
 280                                 lpszStrings, NULL);
 281 }
 282
 283 static void xcloselog(BIO* bp)
 284 {
 285         if(deregister_event_source && bp->ptr)
 286                 deregister_event_source((HANDLE)(bp->ptr));
 287         bp->ptr= NULL;
 288 }
 289
 290 #elif defined(VMS)
 291
 292 static int VMS_OPC_target = LOG_DAEMON;
 293
 294 static void xopenlog(BIO* bp, char* name, int level)
 295 {
 296         VMS_OPC_target = level;
 297 }
 298
 299 static void xsyslog(BIO *bp, int priority, const char *string)
 300 {
 301         struct dsc$descriptor_s opc_dsc;
 302         struct opcdef *opcdef_p;
 303         char buf[10240];
 304         unsigned int len;
 305         struct dsc$descriptor_s buf_dsc;
 306         $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
 307         char *priority_tag;
 308
 309         switch (priority)
 310           {
 311           case LOG_EMERG: priority_tag = "Emergency"; break;
 312           case LOG_ALERT: priority_tag = "Alert"; break;
 313           case LOG_CRIT: priority_tag = "Critical"; break;
 314           case LOG_ERR: priority_tag = "Error"; break;
 315           case LOG_WARNING: priority_tag = "Warning"; break;
 316           case LOG_NOTICE: priority_tag = "Notice"; break;
 317           case LOG_INFO: priority_tag = "Info"; break;
 318           case LOG_DEBUG: priority_tag = "DEBUG"; break;
 319           }
 320
 321         buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 322         buf_dsc.dsc$b_class = DSC$K_CLASS_S;
 323         buf_dsc.dsc$a_pointer = buf;
 324         buf_dsc.dsc$w_length = sizeof(buf) - 1;
 325
 326         lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
 327
 328         /* we know there's an 8 byte header.  That's documented */
 329         opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len);
 330         opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
 331         memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
 332         opcdef_p->opc$l_ms_rqstid = 0;
 333         memcpy(&opcdef_p->opc$l_ms_text, buf, len);
 334
 335         opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
 336         opc_dsc.dsc$b_class = DSC$K_CLASS_S;
 337         opc_dsc.dsc$a_pointer = (char *)opcdef_p;
 338         opc_dsc.dsc$w_length = len + 8;
 339
 340         sys$sndopr(opc_dsc, 0);
 341
 342         OPENSSL_free(opcdef_p);
 343 }
 344
 345 static void xcloselog(BIO* bp)
 346 {
 347 }
 348
 349 #else /* Unix */
 350
 351 static void xopenlog(BIO* bp, char* name, int level)
 352 {
 353         openlog(name, LOG_PID|LOG_CONS, level);
 354 }
 355
 356 static void xsyslog(BIO *bp, int priority, const char *string)
 357 {
 358         syslog(priority, "%s", string);
 359 }
 360
 361 static void xcloselog(BIO* bp)
 362 {
 363         closelog();
 364 }
 365
 366 #endif /* Unix */
 367
 368 #endif /* NO_SYSLOG */