969eae12c7
Running into issues with TLSv1.3-PSK. Connection establishment does not work at the moment.
118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/*
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luksrku - Tool to remotely unlock LUKS disks using TLS.
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Copyright (C) 2016-2019 Johannes Bauer
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This file is part of luksrku.
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luksrku 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; this program is ONLY licensed under
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version 3 of the License, later versions are explicitly excluded.
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luksrku 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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You should have received a copy of the GNU General Public License
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along with luksrku; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Johannes Bauer <JohannesBauer@gmx.de>
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <strings.h>
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#include <stdlib.h>
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#include "pgmopts.h"
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#include "argparse_edit.h"
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#include "argparse_server.h"
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static struct pgmopts_t pgmopts_rw = {
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};
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const struct pgmopts_t *pgmopts = &pgmopts_rw;
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static void show_syntax(const char *errmsg, int argc, char **argv) {
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if (errmsg) {
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fprintf(stderr, "error: %s\n", errmsg);
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fprintf(stderr, "\n");
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}
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fprintf(stderr, "Available commands:\n");
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fprintf(stderr, " %s edit Interactively edit a key database\n", argv[0]);
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fprintf(stderr, " %s server Start a key server process\n", argv[0]);
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fprintf(stderr, " %s client Unlock LUKS volumes by querying a key server\n", argv[0]);
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fprintf(stderr, "\n");
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fprintf(stderr, "For futher help: %s (command) --help\n", argv[0]);
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}
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static bool edit_callback(enum argparse_edit_option_t option, const char *value, argparse_edit_errmsg_callback_t errmsg_callback) {
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pgmopts_rw.edit = (struct pgmopts_edit_t){
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.verbosity = ARGPARSE_EDIT_DEFAULT_VERBOSE,
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};
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switch (option) {
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case ARG_EDIT_FILENAME:
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pgmopts_rw.edit.filename = value;
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break;
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case ARG_EDIT_VERBOSE:
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pgmopts_rw.edit.verbosity++;
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break;
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}
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return true;
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}
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static bool server_callback(enum argparse_server_option_t option, const char *value, argparse_server_errmsg_callback_t errmsg_callback) {
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pgmopts_rw.server = (struct pgmopts_server_t){
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.port = ARGPARSE_SERVER_DEFAULT_PORT,
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.verbosity = ARGPARSE_SERVER_DEFAULT_VERBOSE,
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.answer_udp_queries = true,
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};
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switch (option) {
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case ARG_SERVER_FILENAME:
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pgmopts_rw.server.filename = value;
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break;
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case ARG_SERVER_PORT:
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pgmopts_rw.server.port = atoi(value);
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break;
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case ARG_SERVER_SILENT:
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pgmopts_rw.server.answer_udp_queries = false;
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break;
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case ARG_SERVER_VERBOSE:
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pgmopts_rw.server.verbosity++;
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break;
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}
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return true;
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}
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static void parse_pgmopts_edit(int argc, char **argv) {
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argparse_edit_parse_or_quit(argc - 1, argv + 1, edit_callback, NULL);
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}
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static void parse_pgmopts_server(int argc, char **argv) {
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argparse_server_parse_or_quit(argc - 1, argv + 1, server_callback, NULL);
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}
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void parse_pgmopts_or_quit(int argc, char **argv) {
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if (argc < 2) {
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show_syntax("no command supplied", argc, argv);
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exit(EXIT_FAILURE);
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}
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const char *command = argv[1];
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if (!strcasecmp(command, "edit")) {
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pgmopts_rw.pgm = PGM_EDIT;
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parse_pgmopts_edit(argc, argv);
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} else if (!strcasecmp(command, "server")) {
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pgmopts_rw.pgm = PGM_SERVER;
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parse_pgmopts_server(argc, argv);
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} else {
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show_syntax("unsupported command supplied", argc, argv);
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exit(EXIT_FAILURE);
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}
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}
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