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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
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/* ks-engine-kdns.c - KDNS OpenPGP key access
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* Copyright (C) 2011 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "dirmngr.h"
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#include "misc.h"
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#include "userids.h"
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#include "ks-engine.h"
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/* Print a help output for the schemata supported by this module. */
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gpg_error_t
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ks_kdns_help (ctrl_t ctrl, parsed_uri_t uri)
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{
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const char const data[] =
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"This keyserver engine accepts URLs of the form:\n"
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" kdns://[NAMESERVER]/[ROOT][?at=STRING]\n"
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"with\n"
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" NAMESERVER used for queries (default: system standard)\n"
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" ROOT a DNS name appended to the query (default: none)\n"
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" STRING a string to replace the '@' (default: \".\")\n"
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"If a long answer is expected add the parameter \"usevc=1\".\n"
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"Supported methods: fetch\n"
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"Example:\n"
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"A query for \"hacker@gnupg.org\" with\n"
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" kdns://10.0.0.1/example.net?at=_key_&usevc=1\n"
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"setup as --auto-key-lookup in gpg does a CERT record query\n"
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"with type PGP on the nameserver 10.0.0.1 for\n"
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" hacker._key_.gnupg.org.example.net";
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gpg_error_t err;
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if (!uri)
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err = ks_print_help (ctrl, " kdns");
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else if (!strcmp (uri->scheme, "kdns"))
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err = ks_print_help (ctrl, data);
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else
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err = 0;
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return err;
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}
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/* Get the key from URI which is expected to specify a kdns scheme.
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On success R_FP has an open stream to read the data. */
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gpg_error_t
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ks_kdns_fetch (ctrl_t ctrl, parsed_uri_t uri, estream_t *r_fp)
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{
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gpg_error_t err;
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(void)ctrl;
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*r_fp = NULL;
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if (strcmp (uri->scheme, "kdns"))
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return gpg_error (GPG_ERR_INV_ARG);
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err = gpg_error (GPG_ERR_NOT_IMPLEMENTED);
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return err;
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}
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