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/*
This file is part of GNUnet.
Copyright (C) 2011, 2013 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
*/
/**
* @file transport/gnunet-transport-certificate-creation.c
* @brief create certificate for HTTPS transport
* @author LRN
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#ifndef WINDOWS
/**
* Turn the given file descriptor in to '/dev/null'.
*
* @param fd fd to bind to /dev/null
* @param flags flags to use (O_RDONLY or O_WRONLY)
*/
static void
make_dev_zero (int fd,
int flags)
{
int z;
GNUNET_assert (0 == close (fd));
z = open ("/dev/null", flags);
GNUNET_assert (-1 != z);
if (z == fd)
return;
GNUNET_break (fd == dup2 (z, fd));
GNUNET_assert (0 == close (z));
}
#endif
static void
removecerts (const char *file1,
const char *file2)
{
if (GNUNET_YES == GNUNET_DISK_file_test (file1))
{
if (0 != CHMOD (file1, S_IWUSR | S_IRUSR))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", file1);
if (0 != REMOVE (file1))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "remove", file1);
}
if (GNUNET_YES == GNUNET_DISK_file_test (file2))
{
if (0 != CHMOD (file2, S_IWUSR | S_IRUSR))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", file2);
if (0 != REMOVE (file2))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "remove", file2);
}
}
int
main (int argc, char **argv)
{
struct GNUNET_OS_Process *openssl;
if (3 != argc)
{
fprintf (stderr,
"Invalid arguments.\n");
return 1;
}
removecerts (argv[1], argv[2]);
(void) GNUNET_DISK_directory_create_for_file (argv[1]);
(void) GNUNET_DISK_directory_create_for_file (argv[2]);
/* eliminate stderr */
#if WINDOWS
(void) close (2);
#else
make_dev_zero (2, O_WRONLY);
#endif
/* Create RSA Private Key */
/* openssl genrsa -out $1 1024 2> /dev/null */
openssl =
GNUNET_OS_start_process (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
NULL, NULL, NULL,
"openssl", "openssl", "genrsa",
"-out", argv[1], "1024", NULL);
if (NULL == openssl)
{
fprintf (stderr,
"Failed to run openssl. Is openssl installed?\n");
return 2;
}
GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (openssl));
GNUNET_OS_process_destroy (openssl);
/* Create a self-signed certificate in batch mode using rsa key */
/* openssl req -batch -days 365 -out $2 -new -x509 -key $1 2> /dev/null */
openssl =
GNUNET_OS_start_process (GNUNET_NO, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
NULL, NULL, NULL,
"openssl", "openssl", "req",
"-batch", "-days", "365", "-out", argv[2],
"-new", "-x509", "-key", argv[1], NULL);
if (NULL == openssl)
{
fprintf (stderr,
"Failed to create self-signed certificate with openssl.\n");
return 3;
}
GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (openssl));
GNUNET_OS_process_destroy (openssl);
if (0 != CHMOD (argv[1], S_IRUSR))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", argv[1]);
if (0 != CHMOD (argv[2], S_IRUSR))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "chmod", argv[2]);
return 0;
}
/* end of gnunet-transport-certificate-creation.c */
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