mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-04 20:38:50 +01:00
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
|
/* ks-engine-kdns.c - KDNS OpenPGP key access
|
||
|
|
* Copyright (C) 2011 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 <assert.h>
|
||
|
|
|
||
|
|
#include "dirmngr.h"
|
||
|
|
#include "misc.h"
|
||
|
|
#include "userids.h"
|
||
|
|
#include "ks-engine.h"
|
||
|
|
|
||
|
|
/* Print a help output for the schemata supported by this module. */
|
||
|
|
gpg_error_t
|
||
|
|
ks_kdns_help (ctrl_t ctrl, parsed_uri_t uri)
|
||
|
|
{
|
||
|
|
const char const data[] =
|
||
|
|
"This keyserver engine accepts URLs of the form:\n"
|
||
|
|
" kdns://[NAMESERVER]/[ROOT][?at=STRING]\n"
|
||
|
|
"with\n"
|
||
|
|
" NAMESERVER used for queries (default: system standard)\n"
|
||
|
|
" ROOT a DNS name appended to the query (default: none)\n"
|
||
|
|
" STRING a string to replace the '@' (default: \".\")\n"
|
||
|
|
"If a long answer is expected add the parameter \"usevc=1\".\n"
|
||
|
|
"Supported methods: fetch\n"
|
||
|
|
"Example:\n"
|
||
|
|
"A query for \"hacker@gnupg.org\" with\n"
|
||
|
|
" kdns://10.0.0.1/example.net?at=_key_&usevc=1\n"
|
||
|
|
"setup as --auto-key-lookup in gpg does a CERT record query\n"
|
||
|
|
"with type PGP on the nameserver 10.0.0.1 for\n"
|
||
|
|
" hacker._key_.gnupg.org.example.net";
|
||
|
|
gpg_error_t err;
|
||
|
|
|
||
|
|
if (!uri)
|
||
|
|
err = ks_print_help (ctrl, " kdns");
|
||
|
|
else if (!strcmp (uri->scheme, "kdns"))
|
||
|
|
err = ks_print_help (ctrl, data);
|
||
|
|
else
|
||
|
|
err = 0;
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Get the key from URI which is expected to specify a kdns scheme.
|
||
|
|
On success R_FP has an open stream to read the data. */
|
||
|
|
gpg_error_t
|
||
|
|
ks_kdns_fetch (ctrl_t ctrl, parsed_uri_t uri, estream_t *r_fp)
|
||
|
|
{
|
||
|
|
gpg_error_t err;
|
||
|
|
|
||
|
|
(void)ctrl;
|
||
|
|
*r_fp = NULL;
|
||
|
|
|
||
|
|
if (strcmp (uri->scheme, "kdns"))
|
||
|
|
return gpg_error (GPG_ERR_INV_ARG);
|
||
|
|
|
||
|
|
err = gpg_error (GPG_ERR_NOT_IMPLEMENTED);
|
||
|
|
return err;
|
||
|
|
}
|