Logo Search packages:      
Sourcecode: openssl version File versions  Download package

bss_log.c

/* crypto/bio/bss_log.c */
/* ====================================================================
 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

/*
      Why BIO_s_log?

      BIO_s_log is useful for system daemons (or services under NT).
      It is one-way BIO, it sends all stuff to syslogd (on system that
      commonly use that), or event log (on NT), or OPCOM (on OpenVMS).

*/


#include <stdio.h>
#include <errno.h>

#include "cryptlib.h"

#if defined(OPENSSL_SYS_WINCE)
#elif defined(OPENSSL_SYS_WIN32)
#  include <process.h>
#elif defined(OPENSSL_SYS_VMS)
#  include <opcdef.h>
#  include <descrip.h>
#  include <lib$routines.h>
#  include <starlet.h>
#elif defined(__ultrix)
#  include <sys/syslog.h>
#elif defined(OPENSSL_SYS_NETWARE)
#  define NO_SYSLOG
#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
#  include <syslog.h>
#endif

#include <openssl/buffer.h>
#include <openssl/err.h>

#ifndef NO_SYSLOG

#if defined(OPENSSL_SYS_WIN32)
#define LOG_EMERG 0
#define LOG_ALERT 1
#define LOG_CRIT  2
#define LOG_ERR         3
#define LOG_WARNING     4
#define LOG_NOTICE      5
#define LOG_INFO  6
#define LOG_DEBUG 7

#define LOG_DAEMON      (3<<3)
#elif defined(OPENSSL_SYS_VMS)
/* On VMS, we don't really care about these, but we need them to compile */
#define LOG_EMERG 0
#define LOG_ALERT 1
#define LOG_CRIT  2
#define LOG_ERR         3
#define LOG_WARNING     4
#define LOG_NOTICE      5
#define LOG_INFO  6
#define LOG_DEBUG 7

#define LOG_DAEMON      OPC$M_NM_NTWORK
#endif

static int MS_CALLBACK slg_write(BIO *h, const char *buf, int num);
static int MS_CALLBACK slg_puts(BIO *h, const char *str);
static long MS_CALLBACK slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int MS_CALLBACK slg_new(BIO *h);
static int MS_CALLBACK slg_free(BIO *data);
static void xopenlog(BIO* bp, char* name, int level);
static void xsyslog(BIO* bp, int priority, const char* string);
static void xcloselog(BIO* bp);
#ifdef OPENSSL_SYS_WIN32
LONG  (WINAPI *go_for_advapi)()     = RegOpenKeyEx;
HANDLE      (WINAPI *register_event_source)()   = NULL;
BOOL  (WINAPI *deregister_event_source)() = NULL;
BOOL  (WINAPI *report_event)()      = NULL;
#define DL_PROC(m,f)    (GetProcAddress( m, f ))
#ifdef UNICODE
#define DL_PROC_X(m,f) DL_PROC( m, f "W" )
#else
#define DL_PROC_X(m,f) DL_PROC( m, f "A" )
#endif
#endif

static BIO_METHOD methods_slg=
      {
      BIO_TYPE_MEM,"syslog",
      slg_write,
      NULL,
      slg_puts,
      NULL,
      slg_ctrl,
      slg_new,
      slg_free,
      NULL,
      };

BIO_METHOD *BIO_s_log(void)
      {
      return(&methods_slg);
      }

static int MS_CALLBACK slg_new(BIO *bi)
      {
      bi->init=1;
      bi->num=0;
      bi->ptr=NULL;
      xopenlog(bi, "application", LOG_DAEMON);
      return(1);
      }

static int MS_CALLBACK slg_free(BIO *a)
      {
      if (a == NULL) return(0);
      xcloselog(a);
      return(1);
      }
      
static int MS_CALLBACK slg_write(BIO *b, const char *in, int inl)
      {
      int ret= inl;
      char* buf;
      char* pp;
      int priority, i;
      static struct
            {
            int strl;
            char str[10];
            int log_level;
            }
      mapping[] =
            {
            { 6, "PANIC ", LOG_EMERG },
            { 6, "EMERG ", LOG_EMERG },
            { 4, "EMR ", LOG_EMERG },
            { 6, "ALERT ", LOG_ALERT },
            { 4, "ALR ", LOG_ALERT },
            { 5, "CRIT ", LOG_CRIT },
            { 4, "CRI ", LOG_CRIT },
            { 6, "ERROR ", LOG_ERR },
            { 4, "ERR ", LOG_ERR },
            { 8, "WARNING ", LOG_WARNING },
            { 5, "WARN ", LOG_WARNING },
            { 4, "WAR ", LOG_WARNING },
            { 7, "NOTICE ", LOG_NOTICE },
            { 5, "NOTE ", LOG_NOTICE },
            { 4, "NOT ", LOG_NOTICE },
            { 5, "INFO ", LOG_INFO },
            { 4, "INF ", LOG_INFO },
            { 6, "DEBUG ", LOG_DEBUG },
            { 4, "DBG ", LOG_DEBUG },
            { 0, "", LOG_ERR } /* The default */
            };

      if((buf= (char *)OPENSSL_malloc(inl+ 1)) == NULL){
            return(0);
      }
      strncpy(buf, in, inl);
      buf[inl]= '\0';

      i = 0;
      while(strncmp(buf, mapping[i].str, mapping[i].strl) != 0) i++;
      priority = mapping[i].log_level;
      pp = buf + mapping[i].strl;

      xsyslog(b, priority, pp);

      OPENSSL_free(buf);
      return(ret);
      }

static long MS_CALLBACK slg_ctrl(BIO *b, int cmd, long num, void *ptr)
      {
      switch (cmd)
            {
      case BIO_CTRL_SET:
            xcloselog(b);
            xopenlog(b, ptr, num);
            break;
      default:
            break;
            }
      return(0);
      }

static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
      {
      int n,ret;

      n=strlen(str);
      ret=slg_write(bp,str,n);
      return(ret);
      }

#if defined(OPENSSL_SYS_WIN32)

static void xopenlog(BIO* bp, char* name, int level)
{
      if ( !register_event_source )
            {
            HANDLE      advapi;
            if ( !(advapi = GetModuleHandle("advapi32")) )
                  return;
            register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi,
                  "RegisterEventSource" );
            deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi,
                  "DeregisterEventSource");
            report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi,
                  "ReportEvent" );
            if ( !(register_event_source && deregister_event_source &&
                        report_event) )
                  {
                  register_event_source = NULL;
                  deregister_event_source = NULL;
                  report_event = NULL;
                  return;
                  }
            }
      bp->ptr= (char *)register_event_source(NULL, name);
}

static void xsyslog(BIO *bp, int priority, const char *string)
{
      LPCSTR lpszStrings[2];
      WORD evtype= EVENTLOG_ERROR_TYPE;
      int pid = _getpid();
      char pidbuf[DECIMAL_SIZE(pid)+4];

      switch (priority)
            {
      case LOG_EMERG:
      case LOG_ALERT:
      case LOG_CRIT:
      case LOG_ERR:
            evtype = EVENTLOG_ERROR_TYPE;
            break;
      case LOG_WARNING:
            evtype = EVENTLOG_WARNING_TYPE;
            break;
      case LOG_NOTICE:
      case LOG_INFO:
      case LOG_DEBUG:
            evtype = EVENTLOG_INFORMATION_TYPE;
            break;
      default:          /* Should never happen, but set it
                           as error anyway. */
            evtype = EVENTLOG_ERROR_TYPE;
            break;
            }

      sprintf(pidbuf, "[%d] ", pid);
      lpszStrings[0] = pidbuf;
      lpszStrings[1] = string;

      if(report_event && bp->ptr)
            report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
                        lpszStrings, NULL);
}
      
static void xcloselog(BIO* bp)
{
      if(deregister_event_source && bp->ptr)
            deregister_event_source((HANDLE)(bp->ptr));
      bp->ptr= NULL;
}

#elif defined(OPENSSL_SYS_VMS)

static int VMS_OPC_target = LOG_DAEMON;

static void xopenlog(BIO* bp, char* name, int level)
{
      VMS_OPC_target = level; 
}

static void xsyslog(BIO *bp, int priority, const char *string)
{
      struct dsc$descriptor_s opc_dsc;
      struct opcdef *opcdef_p;
      char buf[10240];
      unsigned int len;
        struct dsc$descriptor_s buf_dsc;
      $DESCRIPTOR(fao_cmd, "!AZ: !AZ");
      char *priority_tag;

      switch (priority)
        {
        case LOG_EMERG: priority_tag = "Emergency"; break;
        case LOG_ALERT: priority_tag = "Alert"; break;
        case LOG_CRIT: priority_tag = "Critical"; break;
        case LOG_ERR: priority_tag = "Error"; break;
        case LOG_WARNING: priority_tag = "Warning"; break;
        case LOG_NOTICE: priority_tag = "Notice"; break;
        case LOG_INFO: priority_tag = "Info"; break;
        case LOG_DEBUG: priority_tag = "DEBUG"; break;
        }

      buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
      buf_dsc.dsc$b_class = DSC$K_CLASS_S;
      buf_dsc.dsc$a_pointer = buf;
      buf_dsc.dsc$w_length = sizeof(buf) - 1;

      lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);

      /* we know there's an 8 byte header.  That's documented */
      opcdef_p = (struct opcdef *) OPENSSL_malloc(8 + len);
      opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
      memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
      opcdef_p->opc$l_ms_rqstid = 0;
      memcpy(&opcdef_p->opc$l_ms_text, buf, len);

      opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
      opc_dsc.dsc$b_class = DSC$K_CLASS_S;
      opc_dsc.dsc$a_pointer = (char *)opcdef_p;
      opc_dsc.dsc$w_length = len + 8;

      sys$sndopr(opc_dsc, 0);

      OPENSSL_free(opcdef_p);
}

static void xcloselog(BIO* bp)
{
}

#else /* Unix/Watt32 */

static void xopenlog(BIO* bp, char* name, int level)
{
#ifdef WATT32   /* djgpp/DOS */
      openlog(name, LOG_PID|LOG_CONS|LOG_NDELAY, level);
#else
      openlog(name, LOG_PID|LOG_CONS, level);
#endif
}

static void xsyslog(BIO *bp, int priority, const char *string)
{
      syslog(priority, "%s", string);
}

static void xcloselog(BIO* bp)
{
      closelog();
}

#endif /* Unix */

#endif /* NO_SYSLOG */

Generated by  Doxygen 1.6.0   Back to index