aboutsummaryrefslogtreecommitdiff
path: root/src/transport/gnunet-transport-certificate-creation.c
blob: 27355e2d49adf4486a5735fc1b5b6bba82f8336c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
     This file is part of GNUnet.
     Copyright (C) 2011, 2013 Christian Grothoff (and other contributing authors)

     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, 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
     General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
*/

/**
 * @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;
  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 */