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 (or event log
  61         under NT).
  62
  63 */
  64
  65
  66 #include <stdio.h>
  67 #include <errno.h>
  68
  69 #ifndef WIN32
  70 #ifdef __ultrix
  71 #include <sys/syslog.h>
  72 #else
  73 #include <syslog.h>
  74 #endif
  75 #else
  76 #include <process.h>
  77 #endif
  78
  79 #include "cryptlib.h"
  80 #include <openssl/buffer.h>
  81 #include <openssl/err.h>
  82 #ifndef NO_SYSLOG
  83
  84
  85 static int MS_CALLBACK slg_write(BIO *h,char *buf,int num);
  86 static int MS_CALLBACK slg_puts(BIO *h,char *str);
  87 static long MS_CALLBACK slg_ctrl(BIO *h,int cmd,long arg1,char *arg2);
  88 static int MS_CALLBACK slg_new(BIO *h);
  89 static int MS_CALLBACK slg_free(BIO *data);
  90 static int xopenlog(BIO* bp, const char* name, int level);
  91 static int xcloselog(BIO* bp);
  92
  93 static BIO_METHOD methods_slg=
  94         {
  95         BIO_TYPE_MEM,"syslog",
  96         slg_write,
  97         NULL,
  98         slg_puts,
  99         NULL,
 100         slg_ctrl,
 101         slg_new,
 102         slg_free,
 103         };
 104
 105 BIO_METHOD *BIO_s_log(void)
 106         {
 107         return(&methods_slg);
 108         }
 109
 110 static int MS_CALLBACK slg_new(BIO *bi)
 111         {
 112         bi->init=1;
 113         bi->num=0;
 114         bi->ptr=NULL;
 115 #ifndef WIN32
 116         xopenlog(bi, "application", LOG_DAEMON);
 117 #else
 118         xopenlog(bi, "application", 0);
 119 #endif
 120         return(1);
 121         }
 122
 123 static int MS_CALLBACK slg_free(BIO *a)
 124         {
 125         if (a == NULL) return(0);
 126         xcloselog(a);
 127         return(1);
 128         }
 129
 130 static int MS_CALLBACK slg_write(BIO *b, char *in, int inl)
 131         {
 132         int ret= inl;
 133         char* buf= in;
 134         char* pp;
 135 #if defined(WIN32)
 136         LPCSTR lpszStrings[2];
 137         WORD evtype= EVENTLOG_ERROR_TYPE;
 138         int pid = _getpid();
 139         char pidbuf[20];
 140 #else
 141         int priority;
 142 #endif
 143
 144         if((buf= (char *)Malloc(inl+ 1)) == NULL){
 145                 return(0);
 146         }
 147         strncpy(buf, in, inl);
 148         buf[inl]= '\0';
 149 #if defined(WIN32)
 150         if(strncmp(buf, "ERR ", 4) == 0){
 151                 evtype= EVENTLOG_ERROR_TYPE;
 152                 pp= buf+ 4;
 153         }else if(strncmp(buf, "WAR ", 4) == 0){
 154                 evtype= EVENTLOG_WARNING_TYPE;
 155                 pp= buf+ 4;
 156         }else if(strncmp(buf, "INF ", 4) == 0){
 157                 evtype= EVENTLOG_INFORMATION_TYPE;
 158                 pp= buf+ 4;
 159         }else{
 160                 evtype= EVENTLOG_ERROR_TYPE;
 161                 pp= buf;
 162         }
 163
 164         sprintf(pidbuf, "[%d] ", pid);
 165         lpszStrings[0] = pidbuf;
 166         lpszStrings[1] = pp;
 167
 168         if(b->ptr)
 169                 ReportEvent(b->ptr, evtype, 0, 1024, NULL, 2, 0,
 170                                 lpszStrings, NULL);
 171 #else
 172         if(strncmp(buf, "ERR ", 4) == 0){
 173                 priority= LOG_ERR;
 174                 pp= buf+ 4;
 175         }else if(strncmp(buf, "WAR ", 4) == 0){
 176                 priority= LOG_WARNING;
 177                 pp= buf+ 4;
 178         }else if(strncmp(buf, "INF ", 4) == 0){
 179                 priority= LOG_INFO;
 180                 pp= buf+ 4;
 181         }else{
 182                 priority= LOG_ERR;
 183                 pp= buf;
 184         }
 185
 186         syslog(priority, "%s", pp);
 187 #endif
 188         Free(buf);
 189         return(ret);
 190         }
 191
 192 static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, char *ptr)
 193         {
 194         switch (cmd)
 195                 {
 196         case BIO_CTRL_SET:
 197                 xcloselog(b);
 198                 xopenlog(b, ptr, num);
 199                 break;
 200         default:
 201                 break;
 202                 }
 203         return(0);
 204         }
 205
 206 static int MS_CALLBACK slg_puts(BIO *bp, char *str)
 207         {
 208         int n,ret;
 209
 210         n=strlen(str);
 211         ret=slg_write(bp,str,n);
 212         return(ret);
 213         }
 214
 215 static int xopenlog(BIO* bp, const char* name, int level)
 216 {
 217 #if defined(WIN32)
 218         if((bp->ptr= (char *)RegisterEventSource(NULL, name)) == NULL){
 219                 return(0);
 220         }
 221 #else
 222         openlog(name, LOG_PID|LOG_CONS, level);
 223 #endif
 224         return(1);
 225 }
 226
 227 static int xcloselog(BIO* bp)
 228 {
 229 #if defined(WIN32)
 230         if(bp->ptr)
 231                 DeregisterEventSource((HANDLE)(bp->ptr));
 232         bp->ptr= NULL;
 233 #else
 234         closelog();
 235 #endif
 236         return(1);
 237 }
 238
 239 #endif