/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "conf-parser.h" #include "resolve-util.h" #include "string-table.h" DEFINE_CONFIG_PARSE_ENUM(config_parse_resolve_support, resolve_support, ResolveSupport, "Failed to parse resolve support setting"); DEFINE_CONFIG_PARSE_ENUM(config_parse_dnssec_mode, dnssec_mode, DnssecMode, "Failed to parse DNSSEC mode setting"); DEFINE_CONFIG_PARSE_ENUM(config_parse_dns_over_tls_mode, dns_over_tls_mode, DnsOverTlsMode, "Failed to parse DNS-over-TLS mode setting"); static const char* const resolve_support_table[_RESOLVE_SUPPORT_MAX] = { [RESOLVE_SUPPORT_NO] = "no", [RESOLVE_SUPPORT_YES] = "yes", [RESOLVE_SUPPORT_RESOLVE] = "resolve", }; DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(resolve_support, ResolveSupport, RESOLVE_SUPPORT_YES); static const char* const dnssec_mode_table[_DNSSEC_MODE_MAX] = { [DNSSEC_NO] = "no", [DNSSEC_ALLOW_DOWNGRADE] = "allow-downgrade", [DNSSEC_YES] = "yes", }; DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dnssec_mode, DnssecMode, DNSSEC_YES); static const char* const dns_over_tls_mode_table[_DNS_OVER_TLS_MODE_MAX] = { [DNS_OVER_TLS_NO] = "no", [DNS_OVER_TLS_OPPORTUNISTIC] = "opportunistic", [DNS_OVER_TLS_YES] = "yes", }; DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dns_over_tls_mode, DnsOverTlsMode, DNS_OVER_TLS_YES); bool dns_server_address_valid(int family, const union in_addr_union *sa) { /* Refuses the 0 IP addresses as well as 127.0.0.53/127.0.0.54 (which is our own DNS stub) */ if (!in_addr_is_set(family, sa)) return false; if (family == AF_INET && IN_SET(be32toh(sa->in.s_addr), INADDR_DNS_STUB, INADDR_DNS_PROXY_STUB)) return false; return true; } DEFINE_CONFIG_PARSE_ENUM(config_parse_dns_cache_mode, dns_cache_mode, DnsCacheMode, "Failed to parse DNS cache mode setting") static const char* const dns_cache_mode_table[_DNS_CACHE_MODE_MAX] = { [DNS_CACHE_MODE_YES] = "yes", [DNS_CACHE_MODE_NO] = "no", [DNS_CACHE_MODE_NO_NEGATIVE] = "no-negative", }; DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dns_cache_mode, DnsCacheMode, DNS_CACHE_MODE_YES);