mirror of
https://github.com/adulau/ssldump.git
synced 2024-11-07 12:06:27 +00:00
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*-
|
|
* SSLsplit - transparent SSL/TLS interception
|
|
* https://www.roe.ch/SSLsplit
|
|
*
|
|
* Copyright (c) 2009-2019, Daniel Roethlisberger <daniel@roe.ch>.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 HOLDER 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.
|
|
*/
|
|
|
|
#include "sys.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/file.h>
|
|
#include <sys/un.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#include <fcntl.h>
|
|
#include <pwd.h>
|
|
#include <grp.h>
|
|
#include <fts.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
/*
|
|
* Determine address family of addr
|
|
*/
|
|
int
|
|
sys_get_af(const char *addr)
|
|
{
|
|
if (strstr(addr, ":"))
|
|
return AF_INET6;
|
|
else if (!strpbrk(addr, "abcdefghijklmnopqrstu"
|
|
"vwxyzABCDEFGHIJKLMNOP"
|
|
"QRSTUVWXYZ-"))
|
|
return AF_INET;
|
|
else
|
|
return AF_UNSPEC;
|
|
}
|
|
|
|
|
|
static int sys_rand_seeded = 0;
|
|
|
|
static void
|
|
sys_rand_seed(void) {
|
|
struct timeval seed;
|
|
|
|
if (gettimeofday(&seed, NULL) == -1) {
|
|
srandom((unsigned)time(NULL));
|
|
} else {
|
|
srandom((unsigned)(seed.tv_sec ^ seed.tv_usec));
|
|
}
|
|
sys_rand_seeded = 1;
|
|
}
|
|
|
|
uint16_t
|
|
sys_rand16(void) {
|
|
if (unlikely(!sys_rand_seeded))
|
|
sys_rand_seed();
|
|
return random();
|
|
}
|
|
|
|
uint32_t
|
|
sys_rand32(void) {
|
|
if (unlikely(!sys_rand_seeded))
|
|
sys_rand_seed();
|
|
return random();
|
|
}
|
|
|
|
/* vim: set noet ft=c: */
|
|
|