mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/* backend.c - Dispatcher to the various backends.
|
|
* Copyright (C) 2009 Free Software Foundation, Inc.
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* GnuPG 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.
|
|
*
|
|
* GnuPG 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 this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "g13.h"
|
|
#include "i18n.h"
|
|
#include "keyblob.h"
|
|
#include "backend.h"
|
|
#include "be-encfs.h"
|
|
#include "be-truecrypt.h"
|
|
|
|
|
|
static gpg_error_t
|
|
no_such_backend (int conttype)
|
|
{
|
|
log_error ("invalid backend %d given - this is most likely a bug\n",
|
|
conttype);
|
|
return gpg_error (GPG_ERR_INTERNAL);
|
|
}
|
|
|
|
|
|
/* Return true if CONTTYPE is supported by us. */
|
|
int
|
|
be_is_supported_conttype (int conttype)
|
|
{
|
|
switch (conttype)
|
|
{
|
|
case CONTTYPE_ENCFS:
|
|
return 1;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* If the backend requires a separate file or directory for the
|
|
container, return its name by computing it from FNAME which gives
|
|
the g13 filename. The new file name is allocated and stored at
|
|
R_NAME, if this is expected to be a directory true is stored at
|
|
R_ISDIR. If no detached name is expected or an error occurs NULL
|
|
is stored at R_NAME. The function returns 0 on success or an error
|
|
code. */
|
|
gpg_error_t
|
|
be_get_detached_name (int conttype, const char *fname,
|
|
char **r_name, int *r_isdir)
|
|
{
|
|
*r_name = NULL;
|
|
*r_isdir = 0;
|
|
switch (conttype)
|
|
{
|
|
case CONTTYPE_ENCFS:
|
|
return be_encfs_get_detached_name (fname, r_name, r_isdir);
|
|
|
|
default:
|
|
return no_such_backend (conttype);
|
|
}
|
|
}
|
|
|
|
|
|
gpg_error_t
|
|
be_create_new_keys (int conttype, membuf_t *mb)
|
|
{
|
|
switch (conttype)
|
|
{
|
|
case CONTTYPE_ENCFS:
|
|
return be_encfs_create_new_keys (mb);
|
|
|
|
case CONTTYPE_TRUECRYPT:
|
|
return be_truecrypt_create_new_keys (mb);
|
|
|
|
default:
|
|
return no_such_backend (conttype);
|
|
}
|
|
}
|
|
|
|
|
|
/* Dispatcher to the backend's create function. */
|
|
gpg_error_t
|
|
be_create_container (ctrl_t ctrl, int conttype,
|
|
const char *fname, int fd, tupledesc_t tuples,
|
|
unsigned int *r_id)
|
|
{
|
|
(void)fd; /* Not yet used. */
|
|
|
|
switch (conttype)
|
|
{
|
|
case CONTTYPE_ENCFS:
|
|
return be_encfs_create_container (ctrl, fname, tuples, r_id);
|
|
|
|
default:
|
|
return no_such_backend (conttype);
|
|
}
|
|
}
|
|
|
|
|
|
/* Dispatcher to the backend's mount function. */
|
|
gpg_error_t
|
|
be_mount_container (ctrl_t ctrl, int conttype,
|
|
const char *fname, const char *mountpoint,
|
|
tupledesc_t tuples, unsigned int *r_id)
|
|
{
|
|
switch (conttype)
|
|
{
|
|
case CONTTYPE_ENCFS:
|
|
return be_encfs_mount_container (ctrl, fname, mountpoint, tuples, r_id);
|
|
|
|
default:
|
|
return no_such_backend (conttype);
|
|
}
|
|
}
|