/**
* Read existing private key from file or create a new one if it does not exist
* yet.
* Returns the private key on success, NULL on error.
*/
static struct GNUNET_CRYPTO_RsaPrivateKey *
init_private_key (const struct GNUNET_CONFIGURATION_Handle *cfg,
const char *nick_name)
{
char *home;
char *keyfile;
struct GNUNET_CRYPTO_RsaPrivateKey *privKey;
#if DEBUG_CHAT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Initializing private key\n");
#endif
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (cfg, "chat", "HOME", &home))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Configuration option `%s' in section `%s' missing\n"),
"HOME", "chat");
return NULL;
}
GNUNET_DISK_directory_create (home);
if (GNUNET_OK != GNUNET_DISK_directory_test (home))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to access chat home directory `%s'\n"), home);
GNUNET_free (home);
return NULL;
}
/* read or create private key */
keyfile =
GNUNET_malloc (strlen (home) + strlen (NICK_IDENTITY_PREFIX) +
strlen (nick_name) + 2);
strcpy (keyfile, home);
GNUNET_free (home);
if (keyfile[strlen (keyfile) - 1] != DIR_SEPARATOR)
strcat (keyfile, DIR_SEPARATOR_STR);
strcat (keyfile, NICK_IDENTITY_PREFIX);
strcat (keyfile, nick_name);
privKey = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
if (NULL == privKey)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to create/open key in file `%s'\n"), keyfile);
}
GNUNET_free (keyfile);
return privKey;
}
static int
testDirMani ()
{
if (GNUNET_OK != GNUNET_DISK_directory_create_for_file ("test/ing"))
return 1;
if (GNUNET_NO != GNUNET_DISK_file_test ("test"))
return 1;
if (GNUNET_NO != GNUNET_DISK_file_test ("test/ing"))
return 1;
if (GNUNET_OK != GNUNET_DISK_directory_remove ("test"))
return 1;
if (GNUNET_OK != GNUNET_DISK_directory_create ("test"))
return 1;
if (GNUNET_YES != GNUNET_DISK_directory_test ("test", GNUNET_YES))
return 1;
if (GNUNET_OK != GNUNET_DISK_directory_remove ("test"))
return 1;
return 0;
}