mirror of git://git.gnupg.org/gnupg.git
131 lines
2.8 KiB
C
131 lines
2.8 KiB
C
/* keybox-init.c - Initalization of the library
|
|
* Copyright (C) 2001 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 <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
|
|
#include "../jnlib/mischelp.h"
|
|
#include "keybox-defs.h"
|
|
|
|
static KB_NAME kb_names;
|
|
|
|
|
|
/*
|
|
Register a filename for plain keybox files. Returns a pointer to be
|
|
used to create a handles etc or NULL to indicate that it has already
|
|
been registered */
|
|
void *
|
|
keybox_register_file (const char *fname, int secret)
|
|
{
|
|
KB_NAME kr;
|
|
|
|
for (kr=kb_names; kr; kr = kr->next)
|
|
{
|
|
if (same_file_p (kr->fname, fname) )
|
|
return NULL; /* Already registered. */
|
|
}
|
|
|
|
kr = xtrymalloc (sizeof *kr + strlen (fname));
|
|
if (!kr)
|
|
return NULL;
|
|
strcpy (kr->fname, fname);
|
|
kr->secret = !!secret;
|
|
/* kr->lockhd = NULL;*/
|
|
kr->is_locked = 0;
|
|
kr->did_full_scan = 0;
|
|
/* keep a list of all issued pointers */
|
|
kr->next = kb_names;
|
|
kb_names = kr;
|
|
|
|
/* create the offset table the first time a function here is used */
|
|
/* if (!kb_offtbl) */
|
|
/* kb_offtbl = new_offset_hash_table (); */
|
|
|
|
return kr;
|
|
}
|
|
|
|
int
|
|
keybox_is_writable (void *token)
|
|
{
|
|
KB_NAME r = token;
|
|
|
|
return r? !access (r->fname, W_OK) : 0;
|
|
}
|
|
|
|
|
|
|
|
/* Create a new handle for the resource associated with TOKEN. SECRET
|
|
is just a cross-check.
|
|
|
|
The returned handle must be released using keybox_release (). */
|
|
KEYBOX_HANDLE
|
|
keybox_new (void *token, int secret)
|
|
{
|
|
KEYBOX_HANDLE hd;
|
|
KB_NAME resource = token;
|
|
|
|
assert (resource && !resource->secret == !secret);
|
|
hd = xtrycalloc (1, sizeof *hd);
|
|
if (hd)
|
|
{
|
|
hd->kb = resource;
|
|
hd->secret = !!secret;
|
|
}
|
|
return hd;
|
|
}
|
|
|
|
void
|
|
keybox_release (KEYBOX_HANDLE hd)
|
|
{
|
|
if (!hd)
|
|
return;
|
|
_keybox_release_blob (hd->found.blob);
|
|
if (hd->fp)
|
|
{
|
|
fclose (hd->fp);
|
|
hd->fp = NULL;
|
|
}
|
|
xfree (hd->word_match.name);
|
|
xfree (hd->word_match.pattern);
|
|
xfree (hd);
|
|
}
|
|
|
|
|
|
const char *
|
|
keybox_get_resource_name (KEYBOX_HANDLE hd)
|
|
{
|
|
if (!hd || !hd->kb)
|
|
return NULL;
|
|
return hd->kb->fname;
|
|
}
|
|
|
|
int
|
|
keybox_set_ephemeral (KEYBOX_HANDLE hd, int yes)
|
|
{
|
|
if (!hd)
|
|
return gpg_error (GPG_ERR_INV_HANDLE);
|
|
hd->ephemeral = yes;
|
|
return 0;
|
|
}
|
|
|