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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include "conf-parser.h"
#include "macro.h"
typedef enum ResolveSupport ResolveSupport;
typedef enum DnssecMode DnssecMode;
typedef enum DnsOverTlsMode DnsOverTlsMode;
enum ResolveSupport {
RESOLVE_SUPPORT_NO,
RESOLVE_SUPPORT_YES,
RESOLVE_SUPPORT_RESOLVE,
_RESOLVE_SUPPORT_MAX,
_RESOLVE_SUPPORT_INVALID = -1
};
enum DnssecMode {
/* No DNSSEC validation is done */
DNSSEC_NO,
/* Validate locally, if the server knows DO, but if not,
* don't. Don't trust the AD bit. If the server doesn't do
* DNSSEC properly, downgrade to non-DNSSEC operation. Of
* course, we then are vulnerable to a downgrade attack, but
* that's life and what is configured. */
DNSSEC_ALLOW_DOWNGRADE,
/* Insist on DNSSEC server support, and rather fail than downgrading. */
DNSSEC_YES,
_DNSSEC_MODE_MAX,
_DNSSEC_MODE_INVALID = -1
};
enum DnsOverTlsMode {
/* No connection is made for DNS-over-TLS */
DNS_OVER_TLS_NO,
/* Try to connect using DNS-over-TLS, but if connection fails,
* fallback to using an unencrypted connection */
DNS_OVER_TLS_OPPORTUNISTIC,
_DNS_OVER_TLS_MODE_MAX,
_DNS_OVER_TLS_MODE_INVALID = -1
};
CONFIG_PARSER_PROTOTYPE(config_parse_resolve_support);
CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_mode);
CONFIG_PARSER_PROTOTYPE(config_parse_dns_over_tls_mode);
const char* resolve_support_to_string(ResolveSupport p) _const_;
ResolveSupport resolve_support_from_string(const char *s) _pure_;
const char* dnssec_mode_to_string(DnssecMode p) _const_;
DnssecMode dnssec_mode_from_string(const char *s) _pure_;
const char* dns_over_tls_mode_to_string(DnsOverTlsMode p) _const_;
DnsOverTlsMode dns_over_tls_mode_from_string(const char *s) _pure_;
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