tor-browser

util.c (5375B)

---

/**
  util.c


  Copyright (C) 2001-2003, Network Resonance, Inc.
  Copyright (C) 2006, Network Resonance, Inc.
  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. Neither the name of Network Resonance, Inc. nor the name of any
     contributors to this software may be used to endorse or promote
     products derived from this software without specific prior written
     permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.


  ekr@rtfm.com  Wed Dec 26 17:19:36 2001
*/

#ifndef WIN32
#include <sys/uio.h>
#include <pwd.h>
#include <dirent.h>
#endif
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <sys/stat.h>
#ifdef OPENSSL
#include <openssl/evp.h>
#endif
#include <csi_platform.h>
#include "r_common.h"
#include "registry.h"
#include "util.h"
#include "r_log.h"

int nr_util_default_log_facility=LOG_COMMON;

int nr_bin2hex(UCHAR *in,int len,UCHAR *out)
 {
   while(len){
     sprintf((char*)out,"%.2x",in[0] & 0xff);

     in+=1;
     out+=2;

     len--;
   }

   return(0);
 }


#if defined(LINUX) || defined(WIN32)
/*-
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
* 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. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
*/


/*
* Appends src to string dst of size siz (unlike strncat, siz is the
* full size of dst, not space left).  At most siz-1 characters
* will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
* Returns strlen(src) + MIN(siz, strlen(initial dst)).
* If retval >= siz, truncation occurred.
*/
size_t strlcat(char *dst, const char *src, size_t siz)
{
       char *d = dst;
       const char *s = src;
       size_t n = siz;
       size_t dlen;

       /* Find the end of dst and adjust bytes left but don't go past end */
       while (n-- != 0 && *d != '\0')
               d++;
       dlen = d - dst;
       n = siz - dlen;

       if (n == 0)
               return(dlen + strlen(s));
       while (*s != '\0') {
               if (n != 1) {
                       *d++ = *s;
                       n--;
               }
               s++;
       }
       *d = '\0';

       return(dlen + (s - src));       /* count does not include NUL */
}

#endif  /* LINUX or WIN32 */


#ifdef WIN32
#include <time.h>
/* this is only millisecond-accurate, but that should be OK */

int gettimeofday(struct timeval *tv, void *tz)
 {
   SYSTEMTIME st;
   FILETIME ft;
   ULARGE_INTEGER u;

   GetLocalTime (&st);

   /* strangely, the FILETIME is the number of 100 nanosecond (0.1 us) intervals
    * since the Epoch */
   SystemTimeToFileTime(&st, &ft);
   u.HighPart = ft.dwHighDateTime;
   u.LowPart = ft.dwLowDateTime;

   tv->tv_sec = (long) (u.QuadPart / 10000000L);
   tv->tv_usec = (long) (st.wMilliseconds * 1000);;

   return 0;
 }
#endif