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File: [local] / src / sbin / unwind / printconf.c (download)

Revision 1.16, Sun Dec 1 14:37:34 2019 UTC (4 years, 6 months ago) by otto
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, HEAD
Changes since 1.15: +42 -1 lines 

Allow forcing specific domains to be resolved by specific resolvers;
Handles typical split-horzizon setups. ok florian@

/*	$OpenBSD: printconf.c,v 1.16 2019/12/01 14:37:34 otto Exp $	*/

/*
 * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/queue.h>

#include <event.h>
#include <imsg.h>
#include <stdio.h>
#include <string.h>

#include "unwind.h"

void
print_config(struct uw_conf *conf)
{
	struct uw_forwarder	*uw_forwarder;
	int			 i;
	enum uw_resolver_type	 j;

	if (conf->res_pref.len > 0) {
		printf("preference {");
		for (i = 0; i < conf->res_pref.len; i++) {
			printf(" %s",
			    uw_resolver_type_str[conf->res_pref.types[i]]);
		}
		printf(" }\n");
	}

	if (!TAILQ_EMPTY(&conf->uw_forwarder_list) ||
	    !TAILQ_EMPTY(&conf->uw_dot_forwarder_list)) {
		printf("forwarder {\n");
		TAILQ_FOREACH(uw_forwarder, &conf->uw_forwarder_list, entry) {
			printf("\t");
			printf("%s", uw_forwarder->ip);
			if (uw_forwarder->port != 53)
				printf(" port %d", uw_forwarder->port);
			printf("\n");
		}
		TAILQ_FOREACH(uw_forwarder, &conf->uw_dot_forwarder_list,
		    entry) {
			printf("\t");
			printf("%s", uw_forwarder->ip);
			if (uw_forwarder->port != 853)
				printf(" port %d", uw_forwarder->port);
			if (uw_forwarder->auth_name[0] != '\0')
				printf(" authentication name %s",
				    uw_forwarder->auth_name);
			printf(" DoT\n");
		}
		printf("}\n");
	}

	if (conf->blocklist_file != NULL)
		printf("block list \"%s\"%s\n", conf->blocklist_file,
		    conf->blocklist_log ? " log" : "");
	for (j = 0; j < UW_RES_NONE; j++) {
		struct force_tree_entry	*e;
		int			 empty = 1;

		RB_FOREACH(e, force_tree, &conf->force) {
			if (e->type != j || e->acceptbogus)
				continue;
			empty = 0;
			break;
		}
		if (!empty) {

			printf("force %s {", uw_resolver_type_str[j]);
			RB_FOREACH(e, force_tree, &conf->force) {
				if (e->type != j || e->acceptbogus)
					continue;
				printf("\n\t%s", e->domain);
			}
			printf("\n}\n");
		}

		empty = 1;
		RB_FOREACH(e, force_tree, &conf->force) {
			if (e->type != j || !e->acceptbogus)
				continue;
			empty = 0;
			break;
		}
		if (!empty) {

			printf("force accept bogus %s {",
			    uw_resolver_type_str[j]);
			RB_FOREACH(e, force_tree, &conf->force) {
				if (e->type != j || !e->acceptbogus)
					continue;
				printf("\n\t%s", e->domain);
			}
			printf("\n}\n");
		}
	}
}