1377 lines
44 KiB
C
1377 lines
44 KiB
C
/*
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* util/config_file.h - reads and stores the config file for unbound.
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*
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* Copyright (c) 2007, NLnet Labs. All rights reserved.
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*
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* This software is open source.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of the NLNET LABS nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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*
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* This file contains functions for the config file.
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*/
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#ifndef UTIL_CONFIG_FILE_H
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#define UTIL_CONFIG_FILE_H
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#include "sldns/rrdef.h"
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struct config_stub;
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struct config_auth;
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struct config_view;
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struct config_strlist;
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struct config_str2list;
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struct config_str3list;
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struct config_strbytelist;
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struct module_qstate;
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struct sock_list;
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struct ub_packed_rrset_key;
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struct regional;
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/** List head for strlist processing, used for append operation. */
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struct config_strlist_head {
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/** first in list of text items */
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struct config_strlist* first;
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/** last in list of text items */
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struct config_strlist* last;
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};
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/**
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* The configuration options.
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* Strings are malloced.
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*/
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struct config_file {
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/** verbosity level as specified in the config file */
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int verbosity;
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/** statistics interval (in seconds) */
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int stat_interval;
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/** if false, statistics values are reset after printing them */
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int stat_cumulative;
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/** if true, the statistics are kept in greater detail */
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int stat_extended;
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/** if true, inhibits a lot of =0 lines from the extended stats output */
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int stat_inhibit_zero;
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/** number of threads to create */
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int num_threads;
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/** port on which queries are answered. */
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int port;
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/** do ip4 query support. */
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int do_ip4;
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/** do ip6 query support. */
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int do_ip6;
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/** do nat64 on queries */
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int do_nat64;
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/** prefer ip4 upstream queries. */
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int prefer_ip4;
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/** prefer ip6 upstream queries. */
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int prefer_ip6;
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/** do udp query support. */
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int do_udp;
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/** do tcp query support. */
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int do_tcp;
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/** max number of queries on a reuse connection. */
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size_t max_reuse_tcp_queries;
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/** timeout for REUSE entries in milliseconds. */
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int tcp_reuse_timeout;
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/** timeout in milliseconds for TCP queries to auth servers. */
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int tcp_auth_query_timeout;
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/** tcp upstream queries (no UDP upstream queries) */
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int tcp_upstream;
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/** udp upstream enabled when no UDP downstream is enabled (do_udp no)*/
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int udp_upstream_without_downstream;
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/** maximum segment size of tcp socket which queries are answered */
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int tcp_mss;
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/** maximum segment size of tcp socket for outgoing queries */
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int outgoing_tcp_mss;
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/** tcp idle timeout, in msec */
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int tcp_idle_timeout;
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/** do edns tcp keepalive */
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int do_tcp_keepalive;
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/** tcp keepalive timeout, in msec */
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int tcp_keepalive_timeout;
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/** timeout of packets sitting in the socket queue */
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int sock_queue_timeout;
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/** proxy protocol ports */
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struct config_strlist* proxy_protocol_port;
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/** private key file for dnstcp-ssl service (enabled if not NULL) */
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char* ssl_service_key;
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/** public key file for dnstcp-ssl service */
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char* ssl_service_pem;
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/** port on which to provide ssl service */
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int ssl_port;
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/** if outgoing tcp connections use SSL */
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int ssl_upstream;
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/** cert bundle for outgoing connections */
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char* tls_cert_bundle;
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/** should the system certificate store get added to the cert bundle */
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int tls_win_cert;
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/** additional tls ports */
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struct config_strlist* tls_additional_port;
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/** secret key used to encrypt and decrypt TLS session ticket */
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struct config_strlist_head tls_session_ticket_keys;
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/** TLS ciphers */
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char* tls_ciphers;
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/** TLS chiphersuites (TLSv1.3) */
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char* tls_ciphersuites;
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/** if SNI is to be used */
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int tls_use_sni;
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/** port on which to provide DNS over HTTPS service */
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int https_port;
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/** endpoint for HTTP service */
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char* http_endpoint;
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/** MAX_CONCURRENT_STREAMS HTTP/2 setting */
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uint32_t http_max_streams;
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/** maximum size of all HTTP2 query buffers combined. */
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size_t http_query_buffer_size;
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/** maximum size of all HTTP2 response buffers combined. */
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size_t http_response_buffer_size;
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/** set TCP_NODELAY option for http sockets */
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int http_nodelay;
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/** Disable TLS for http sockets downstream */
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int http_notls_downstream;
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/** outgoing port range number of ports (per thread) */
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int outgoing_num_ports;
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/** number of outgoing tcp buffers per (per thread) */
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size_t outgoing_num_tcp;
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/** number of incoming tcp buffers per (per thread) */
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size_t incoming_num_tcp;
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/** allowed udp port numbers, array with 0 if not allowed */
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int* outgoing_avail_ports;
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/** EDNS buffer size to use */
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size_t edns_buffer_size;
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/** size of the stream wait buffers, max */
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size_t stream_wait_size;
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/** number of bytes buffer size for DNS messages */
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size_t msg_buffer_size;
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/** size of the message cache */
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size_t msg_cache_size;
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/** slabs in the message cache. */
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size_t msg_cache_slabs;
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/** number of queries every thread can service */
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size_t num_queries_per_thread;
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/** number of msec to wait before items can be jostled out */
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size_t jostle_time;
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/** size of the rrset cache */
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size_t rrset_cache_size;
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/** slabs in the rrset cache */
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size_t rrset_cache_slabs;
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/** host cache ttl in seconds */
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int host_ttl;
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/** number of slabs in the infra host cache */
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size_t infra_cache_slabs;
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/** max number of hosts in the infra cache */
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size_t infra_cache_numhosts;
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/** min value for infra cache rtt (min retransmit timeout) */
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int infra_cache_min_rtt;
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/** max value for infra cache rtt (max retransmit timeout) */
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int infra_cache_max_rtt;
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/** keep probing hosts that are down */
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int infra_keep_probing;
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/** delay close of udp-timeouted ports, if 0 no delayclose. in msec */
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int delay_close;
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/** udp_connect enable uses UDP connect to mitigate ICMP side channel */
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int udp_connect;
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/** the target fetch policy for the iterator */
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char* target_fetch_policy;
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/** percent*10, how many times in 1000 to pick from the fastest
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* destinations */
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int fast_server_permil;
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/** number of fastest server to select from */
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size_t fast_server_num;
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/** automatic interface for incoming messages. Uses ipv6 remapping,
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* and recvmsg/sendmsg ancillary data to detect interfaces, boolean */
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int if_automatic;
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/** extra ports to open if if_automatic enabled, or NULL for default */
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char* if_automatic_ports;
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/** SO_RCVBUF size to set on port 53 UDP socket */
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size_t so_rcvbuf;
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/** SO_SNDBUF size to set on port 53 UDP socket */
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size_t so_sndbuf;
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/** SO_REUSEPORT requested on port 53 sockets */
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int so_reuseport;
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/** IP_TRANSPARENT socket option requested on port 53 sockets */
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int ip_transparent;
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/** IP_FREEBIND socket option request on port 53 sockets */
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int ip_freebind;
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/** IP_TOS socket option requested on port 53 sockets */
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int ip_dscp;
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/** number of interfaces to open. If 0 default all interfaces. */
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int num_ifs;
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/** interface description strings (IP addresses) */
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char **ifs;
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/** number of outgoing interfaces to open.
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* If 0 default all interfaces. */
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int num_out_ifs;
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/** outgoing interface description strings (IP addresses) */
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char **out_ifs;
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/** the root hints */
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struct config_strlist* root_hints;
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/** the stub definitions, linked list */
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struct config_stub* stubs;
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/** the forward zone definitions, linked list */
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struct config_stub* forwards;
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/** the auth zone definitions, linked list */
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struct config_auth* auths;
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/** the views definitions, linked list */
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struct config_view* views;
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/** list of donotquery addresses, linked list */
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struct config_strlist* donotqueryaddrs;
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#ifdef CLIENT_SUBNET
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/** list of servers we send edns-client-subnet option to and
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* accept option from, linked list */
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struct config_strlist* client_subnet;
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/** list of zones we send edns-client-subnet option for */
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struct config_strlist* client_subnet_zone;
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/** opcode assigned by IANA for edns0-client-subnet option */
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uint16_t client_subnet_opcode;
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/** Do not check whitelist if incoming query contains an ECS record */
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int client_subnet_always_forward;
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/** Subnet length we are willing to give up privacy for */
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uint8_t max_client_subnet_ipv4;
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uint8_t max_client_subnet_ipv6;
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/** Minimum subnet length we are willing to answer */
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uint8_t min_client_subnet_ipv4;
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uint8_t min_client_subnet_ipv6;
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/** Max number of nodes in the ECS radix tree */
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uint32_t max_ecs_tree_size_ipv4;
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uint32_t max_ecs_tree_size_ipv6;
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#endif
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/** list of access control entries, linked list */
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struct config_str2list* acls;
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/** use default localhost donotqueryaddr entries */
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int donotquery_localhost;
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/** list of tcp connection limitss, linked list */
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struct config_str2list* tcp_connection_limits;
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/** harden against very small edns buffer sizes */
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int harden_short_bufsize;
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/** harden against very large query sizes */
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int harden_large_queries;
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/** harden against spoofed glue (out of zone data) */
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int harden_glue;
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/** harden against receiving no DNSSEC data for trust anchor */
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int harden_dnssec_stripped;
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/** harden against queries that fall under known nxdomain names */
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int harden_below_nxdomain;
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/** harden the referral path, query for NS,A,AAAA and validate */
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int harden_referral_path;
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/** harden against algorithm downgrade */
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int harden_algo_downgrade;
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/** harden against unknown records in the authority section and in
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* the additional section */
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int harden_unknown_additional;
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/** use 0x20 bits in query as random ID bits */
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int use_caps_bits_for_id;
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/** 0x20 whitelist, domains that do not use capsforid */
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struct config_strlist* caps_whitelist;
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/** strip away these private addrs from answers, no DNS Rebinding */
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struct config_strlist* private_address;
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/** allow domain (and subdomains) to use private address space */
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struct config_strlist* private_domain;
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/** what threshold for unwanted action. */
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size_t unwanted_threshold;
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/** the number of seconds maximal TTL used for RRsets and messages */
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int max_ttl;
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/** the number of seconds minimum TTL used for RRsets and messages */
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int min_ttl;
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/** the number of seconds maximal negative TTL for SOA in auth */
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int max_negative_ttl;
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/** if prefetching of messages should be performed. */
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int prefetch;
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/** if prefetching of DNSKEYs should be performed. */
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int prefetch_key;
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/** deny queries of type ANY with an empty answer */
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int deny_any;
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/** chrootdir, if not "" or chroot will be done */
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char* chrootdir;
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/** username to change to, if not "". */
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char* username;
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/** working directory */
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char* directory;
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/** filename to log to. */
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char* logfile;
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/** pidfile to write pid to. */
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char* pidfile;
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/** should log messages be sent to syslogd */
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int use_syslog;
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/** log timestamp in ascii UTC */
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int log_time_ascii;
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/** log queries with one line per query */
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int log_queries;
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/** log replies with one line per reply */
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int log_replies;
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/** tag log_queries and log_replies for filtering */
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int log_tag_queryreply;
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/** log every local-zone hit **/
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int log_local_actions;
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/** log servfails with a reason */
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int log_servfail;
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/** log identity to report */
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char* log_identity;
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/** log dest addr for log_replies */
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int log_destaddr;
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/** do not report identity (id.server, hostname.bind) */
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int hide_identity;
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/** do not report version (version.server, version.bind) */
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int hide_version;
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/** do not report trustanchor (trustanchor.unbound) */
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int hide_trustanchor;
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/** do not report the User-Agent HTTP header */
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int hide_http_user_agent;
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/** identity, hostname is returned if "". */
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char* identity;
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/** version, package version returned if "". */
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char* version;
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/** User-Agent for HTTP header */
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char* http_user_agent;
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/** nsid */
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char *nsid_cfg_str;
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uint8_t *nsid;
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uint16_t nsid_len;
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/** the module configuration string */
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char* module_conf;
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/** files with trusted DS and DNSKEYs in zonefile format, list */
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struct config_strlist* trust_anchor_file_list;
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/** list of trustanchor keys, linked list */
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struct config_strlist* trust_anchor_list;
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/** files with 5011 autotrust tracked keys */
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struct config_strlist* auto_trust_anchor_file_list;
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/** files with trusted DNSKEYs in named.conf format, list */
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struct config_strlist* trusted_keys_file_list;
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/** insecure domain list */
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struct config_strlist* domain_insecure;
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/** send key tag query */
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int trust_anchor_signaling;
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/** enable root key sentinel */
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int root_key_sentinel;
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/** if not 0, this value is the validation date for RRSIGs */
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int32_t val_date_override;
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/** the minimum for signature clock skew */
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int32_t val_sig_skew_min;
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/** the maximum for signature clock skew */
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int32_t val_sig_skew_max;
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/** max number of query restarts, number of IPs to probe */
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int32_t val_max_restart;
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/** this value sets the number of seconds before revalidating bogus */
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int bogus_ttl;
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/** should validator clean additional section for secure msgs */
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int val_clean_additional;
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/** log bogus messages by the validator */
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int val_log_level;
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/** squelch val_log_level to log - this is library goes to callback */
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int val_log_squelch;
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/** should validator allow bogus messages to go through */
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int val_permissive_mode;
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/** use cached NSEC records to synthesise (negative) answers */
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int aggressive_nsec;
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/** ignore the CD flag in incoming queries and refuse them bogus data */
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int ignore_cd;
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/** disable EDNS DO flag in outgoing requests */
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int disable_edns_do;
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/** serve expired entries and prefetch them */
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int serve_expired;
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/** serve expired entries until TTL after expiration */
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int serve_expired_ttl;
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/** reset serve expired TTL after failed update attempt */
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int serve_expired_ttl_reset;
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/** TTL for the serve expired replies */
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int serve_expired_reply_ttl;
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/** serve expired entries only after trying to update the entries and this
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* timeout (in milliseconds) is reached */
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int serve_expired_client_timeout;
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/** serve EDE code 3 - Stale Answer (RFC8914) for expired entries */
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int ede_serve_expired;
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/** serve original TTLs rather than decrementing ones */
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int serve_original_ttl;
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/** nsec3 maximum iterations per key size, string */
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char* val_nsec3_key_iterations;
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/** if zonemd failures are permitted, only logged */
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int zonemd_permissive_mode;
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/** autotrust add holddown time, in seconds */
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unsigned int add_holddown;
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/** autotrust del holddown time, in seconds */
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unsigned int del_holddown;
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/** autotrust keep_missing time, in seconds. 0 is forever. */
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unsigned int keep_missing;
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/** permit small holddown values, allowing 5011 rollover very fast */
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int permit_small_holddown;
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/** size of the key cache */
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size_t key_cache_size;
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/** slabs in the key cache. */
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size_t key_cache_slabs;
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/** size of the neg cache */
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size_t neg_cache_size;
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/** local zones config */
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struct config_str2list* local_zones;
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/** local zones nodefault list */
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struct config_strlist* local_zones_nodefault;
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#ifdef USE_IPSET
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/** local zones ipset list */
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struct config_strlist* local_zones_ipset;
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#endif
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/** do not add any default local zone */
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int local_zones_disable_default;
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/** local data RRs configured */
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struct config_strlist* local_data;
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/** local zone override types per netblock */
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struct config_str3list* local_zone_overrides;
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/** unblock lan zones (reverse lookups for AS112 zones) */
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int unblock_lan_zones;
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/** insecure lan zones (don't validate AS112 zones) */
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int insecure_lan_zones;
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/** list of zonename, tagbitlist */
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struct config_strbytelist* local_zone_tags;
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/** list of aclname, tagbitlist */
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struct config_strbytelist* acl_tags;
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/** list of aclname, tagname, localzonetype */
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struct config_str3list* acl_tag_actions;
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/** list of aclname, tagname, redirectdata */
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struct config_str3list* acl_tag_datas;
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/** list of aclname, view*/
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struct config_str2list* acl_view;
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/** list of interface action entries, linked list */
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struct config_str2list* interface_actions;
|
|
/** list of interface, tagbitlist */
|
|
struct config_strbytelist* interface_tags;
|
|
/** list of interface, tagname, localzonetype */
|
|
struct config_str3list* interface_tag_actions;
|
|
/** list of interface, tagname, redirectdata */
|
|
struct config_str3list* interface_tag_datas;
|
|
/** list of interface, view*/
|
|
struct config_str2list* interface_view;
|
|
/** list of IP-netblock, tagbitlist */
|
|
struct config_strbytelist* respip_tags;
|
|
/** list of response-driven access control entries, linked list */
|
|
struct config_str2list* respip_actions;
|
|
/** RRs configured for response-driven access controls */
|
|
struct config_str2list* respip_data;
|
|
/** tag list, array with tagname[i] is malloced string */
|
|
char** tagname;
|
|
/** number of items in the taglist */
|
|
int num_tags;
|
|
|
|
/** remote control section. enable toggle. */
|
|
int remote_control_enable;
|
|
/** the interfaces the remote control should listen on */
|
|
struct config_strlist_head control_ifs;
|
|
/** if the use-cert option is set */
|
|
int control_use_cert;
|
|
/** port number for the control port */
|
|
int control_port;
|
|
/** private key file for server */
|
|
char* server_key_file;
|
|
/** certificate file for server */
|
|
char* server_cert_file;
|
|
/** private key file for unbound-control */
|
|
char* control_key_file;
|
|
/** certificate file for unbound-control */
|
|
char* control_cert_file;
|
|
|
|
/** Python script file */
|
|
struct config_strlist* python_script;
|
|
|
|
/** Dynamic library file */
|
|
struct config_strlist* dynlib_file;
|
|
|
|
/** Use systemd socket activation. */
|
|
int use_systemd;
|
|
|
|
/** daemonize, i.e. fork into the background. */
|
|
int do_daemonize;
|
|
|
|
/* minimal response when positive answer */
|
|
int minimal_responses;
|
|
|
|
/* RRSet roundrobin */
|
|
int rrset_roundrobin;
|
|
|
|
/* wait time for unknown server in msec */
|
|
int unknown_server_time_limit;
|
|
|
|
/* maximum UDP response size */
|
|
size_t max_udp_size;
|
|
|
|
/* DNS64 prefix */
|
|
char* dns64_prefix;
|
|
|
|
/* Synthetize all AAAA record despite the presence of an authoritative one */
|
|
int dns64_synthall;
|
|
/** ignore AAAAs for these domain names and use A record anyway */
|
|
struct config_strlist* dns64_ignore_aaaa;
|
|
|
|
/* NAT64 prefix; if unset defaults to dns64_prefix */
|
|
char* nat64_prefix;
|
|
|
|
/** true to enable dnstap support */
|
|
int dnstap;
|
|
/** using bidirectional frame streams if true */
|
|
int dnstap_bidirectional;
|
|
/** dnstap socket path */
|
|
char* dnstap_socket_path;
|
|
/** dnstap IP */
|
|
char* dnstap_ip;
|
|
/** dnstap TLS enable */
|
|
int dnstap_tls;
|
|
/** dnstap tls server authentication name */
|
|
char* dnstap_tls_server_name;
|
|
/** dnstap server cert bundle */
|
|
char* dnstap_tls_cert_bundle;
|
|
/** dnstap client key for client authentication */
|
|
char* dnstap_tls_client_key_file;
|
|
/** dnstap client cert for client authentication */
|
|
char* dnstap_tls_client_cert_file;
|
|
/** true to send "identity" via dnstap */
|
|
int dnstap_send_identity;
|
|
/** true to send "version" via dnstap */
|
|
int dnstap_send_version;
|
|
/** dnstap "identity", hostname is used if "". */
|
|
char* dnstap_identity;
|
|
/** dnstap "version", package version is used if "". */
|
|
char* dnstap_version;
|
|
|
|
/** true to log dnstap RESOLVER_QUERY message events */
|
|
int dnstap_log_resolver_query_messages;
|
|
/** true to log dnstap RESOLVER_RESPONSE message events */
|
|
int dnstap_log_resolver_response_messages;
|
|
/** true to log dnstap CLIENT_QUERY message events */
|
|
int dnstap_log_client_query_messages;
|
|
/** true to log dnstap CLIENT_RESPONSE message events */
|
|
int dnstap_log_client_response_messages;
|
|
/** true to log dnstap FORWARDER_QUERY message events */
|
|
int dnstap_log_forwarder_query_messages;
|
|
/** true to log dnstap FORWARDER_RESPONSE message events */
|
|
int dnstap_log_forwarder_response_messages;
|
|
|
|
/** true to disable DNSSEC lameness check in iterator */
|
|
int disable_dnssec_lame_check;
|
|
|
|
/** ratelimit for ip addresses. 0 is off, otherwise qps (unless overridden) */
|
|
int ip_ratelimit;
|
|
/** ratelimit for ip addresses with a valid DNS Cookie. 0 is off,
|
|
* otherwise qps (unless overridden) */
|
|
int ip_ratelimit_cookie;
|
|
/** number of slabs for ip_ratelimit cache */
|
|
size_t ip_ratelimit_slabs;
|
|
/** memory size in bytes for ip_ratelimit cache */
|
|
size_t ip_ratelimit_size;
|
|
/** ip_ratelimit factor, 0 blocks all, 10 allows 1/10 of traffic */
|
|
int ip_ratelimit_factor;
|
|
/** ratelimit backoff, when on, if the limit is reached it is
|
|
* considered an attack and it backs off until 'demand' decreases over
|
|
* the RATE_WINDOW. */
|
|
int ip_ratelimit_backoff;
|
|
|
|
/** ratelimit for domains. 0 is off, otherwise qps (unless overridden) */
|
|
int ratelimit;
|
|
/** number of slabs for ratelimit cache */
|
|
size_t ratelimit_slabs;
|
|
/** memory size in bytes for ratelimit cache */
|
|
size_t ratelimit_size;
|
|
/** ratelimits for domain (exact match) */
|
|
struct config_str2list* ratelimit_for_domain;
|
|
/** ratelimits below domain */
|
|
struct config_str2list* ratelimit_below_domain;
|
|
/** ratelimit factor, 0 blocks all, 10 allows 1/10 of traffic */
|
|
int ratelimit_factor;
|
|
/** ratelimit backoff, when on, if the limit is reached it is
|
|
* considered an attack and it backs off until 'demand' decreases over
|
|
* the RATE_WINDOW. */
|
|
int ratelimit_backoff;
|
|
|
|
/** number of retries on outgoing queries */
|
|
int outbound_msg_retry;
|
|
/** max sent queries per qstate; resets on query restarts (e.g.,
|
|
* CNAMES) and referrals */
|
|
int max_sent_count;
|
|
/** max number of query restarts; determines max length of CNAME chain */
|
|
int max_query_restarts;
|
|
/** minimise outgoing QNAME and hide original QTYPE if possible */
|
|
int qname_minimisation;
|
|
/** minimise QNAME in strict mode, minimise according to RFC.
|
|
* Do not apply fallback */
|
|
int qname_minimisation_strict;
|
|
/** SHM data - true if shm is enabled */
|
|
int shm_enable;
|
|
/** SHM data - key for the shm */
|
|
int shm_key;
|
|
|
|
/** list of EDNS client string entries, linked list */
|
|
struct config_str2list* edns_client_strings;
|
|
/** EDNS opcode to use for EDNS client strings */
|
|
uint16_t edns_client_string_opcode;
|
|
|
|
/** DNSCrypt */
|
|
/** true to enable dnscrypt */
|
|
int dnscrypt;
|
|
/** port on which to provide dnscrypt service */
|
|
int dnscrypt_port;
|
|
/** provider name 2.dnscrypt-cert.example.com */
|
|
char* dnscrypt_provider;
|
|
/** dnscrypt secret keys 1.key */
|
|
struct config_strlist* dnscrypt_secret_key;
|
|
/** dnscrypt provider certs 1.cert */
|
|
struct config_strlist* dnscrypt_provider_cert;
|
|
/** dnscrypt provider certs 1.cert which have been rotated and should not be
|
|
* advertised through DNS's providername TXT record but are required to be
|
|
* able to handle existing traffic using the old cert. */
|
|
struct config_strlist* dnscrypt_provider_cert_rotated;
|
|
/** memory size in bytes for dnscrypt shared secrets cache */
|
|
size_t dnscrypt_shared_secret_cache_size;
|
|
/** number of slabs for dnscrypt shared secrets cache */
|
|
size_t dnscrypt_shared_secret_cache_slabs;
|
|
/** memory size in bytes for dnscrypt nonces cache */
|
|
size_t dnscrypt_nonce_cache_size;
|
|
/** number of slabs for dnscrypt nonces cache */
|
|
size_t dnscrypt_nonce_cache_slabs;
|
|
|
|
/** EDNS padding according to RFC7830 and RFC8467 */
|
|
/** true to enable padding of responses (default: on) */
|
|
int pad_responses;
|
|
/** block size with which to pad encrypted responses (default: 468) */
|
|
size_t pad_responses_block_size;
|
|
/** true to enable padding of queries (default: on) */
|
|
int pad_queries;
|
|
/** block size with which to pad encrypted queries (default: 128) */
|
|
size_t pad_queries_block_size;
|
|
|
|
/** IPsec module */
|
|
#ifdef USE_IPSECMOD
|
|
/** false to bypass the IPsec module */
|
|
int ipsecmod_enabled;
|
|
/** whitelisted domains for ipsecmod */
|
|
struct config_strlist* ipsecmod_whitelist;
|
|
/** path to external hook */
|
|
char* ipsecmod_hook;
|
|
/** true to proceed even with a bogus IPSECKEY */
|
|
int ipsecmod_ignore_bogus;
|
|
/** max TTL for the A/AAAA records that call the hook */
|
|
int ipsecmod_max_ttl;
|
|
/** false to proceed even when ipsecmod_hook fails */
|
|
int ipsecmod_strict;
|
|
#endif
|
|
|
|
/* cachedb module */
|
|
#ifdef USE_CACHEDB
|
|
/** backend DB name */
|
|
char* cachedb_backend;
|
|
/** secret seed for hash key calculation */
|
|
char* cachedb_secret;
|
|
/** cachedb that does not store, but only reads from database, if on */
|
|
int cachedb_no_store;
|
|
#ifdef USE_REDIS
|
|
/** redis server's IP address or host name */
|
|
char* redis_server_host;
|
|
/** redis server's TCP port */
|
|
int redis_server_port;
|
|
/** redis server's unix path. Or "", NULL if unused */
|
|
char* redis_server_path;
|
|
/** redis server's AUTH password. Or "", NULL if unused */
|
|
char* redis_server_password;
|
|
/** timeout (in ms) for communication with the redis server */
|
|
int redis_timeout;
|
|
/** set timeout on redis records based on DNS response ttl */
|
|
int redis_expire_records;
|
|
/** set the redis logical database upon connection */
|
|
int redis_logical_db;
|
|
#endif
|
|
#endif
|
|
/** Downstream DNS Cookies */
|
|
/** do answer with server cookie when request contained cookie option */
|
|
int do_answer_cookie;
|
|
/** cookie secret */
|
|
uint8_t cookie_secret[40];
|
|
/** cookie secret length */
|
|
size_t cookie_secret_len;
|
|
|
|
/* ipset module */
|
|
#ifdef USE_IPSET
|
|
char* ipset_name_v4;
|
|
char* ipset_name_v6;
|
|
#endif
|
|
/** respond with Extended DNS Errors (RFC8914) */
|
|
int ede;
|
|
};
|
|
|
|
/** from cfg username, after daemonize setup performed */
|
|
extern uid_t cfg_uid;
|
|
/** from cfg username, after daemonize setup performed */
|
|
extern gid_t cfg_gid;
|
|
/** debug and enable small timeouts */
|
|
extern int autr_permit_small_holddown;
|
|
/** size (in bytes) of stream wait buffers max */
|
|
extern size_t stream_wait_max;
|
|
/** size (in bytes) of all total HTTP2 query buffers max */
|
|
extern size_t http2_query_buffer_max;
|
|
/** size (in bytes) of all total HTTP2 response buffers max */
|
|
extern size_t http2_response_buffer_max;
|
|
|
|
/**
|
|
* Stub config options
|
|
*/
|
|
struct config_stub {
|
|
/** next in list */
|
|
struct config_stub* next;
|
|
/** domain name (in text) of the stub apex domain */
|
|
char* name;
|
|
/** list of stub nameserver hosts (domain name) */
|
|
struct config_strlist* hosts;
|
|
/** list of stub nameserver addresses (IP address) */
|
|
struct config_strlist* addrs;
|
|
/** if stub-prime is set */
|
|
int isprime;
|
|
/** if forward-first is set (failover to without if fails) */
|
|
int isfirst;
|
|
/** use tcp for queries to this stub */
|
|
int tcp_upstream;
|
|
/** use SSL for queries to this stub */
|
|
int ssl_upstream;
|
|
/*** no cache */
|
|
int no_cache;
|
|
};
|
|
|
|
/**
|
|
* Auth config options
|
|
*/
|
|
struct config_auth {
|
|
/** next in list */
|
|
struct config_auth* next;
|
|
/** domain name (in text) of the auth apex domain */
|
|
char* name;
|
|
/** list of masters */
|
|
struct config_strlist* masters;
|
|
/** list of urls */
|
|
struct config_strlist* urls;
|
|
/** list of allow-notify */
|
|
struct config_strlist* allow_notify;
|
|
/** zonefile (or NULL) */
|
|
char* zonefile;
|
|
/** provide downstream answers */
|
|
int for_downstream;
|
|
/** provide upstream answers */
|
|
int for_upstream;
|
|
/** fallback to recursion to authorities if zone expired and other
|
|
* reasons perhaps (like, query bogus) */
|
|
int fallback_enabled;
|
|
/** this zone is used to create local-zone policies */
|
|
int isrpz;
|
|
/** rpz tags (or NULL) */
|
|
uint8_t* rpz_taglist;
|
|
/** length of the taglist (in bytes) */
|
|
size_t rpz_taglistlen;
|
|
/** Override RPZ action for this zone, regardless of zone content */
|
|
char* rpz_action_override;
|
|
/** Log when this RPZ policy is applied */
|
|
int rpz_log;
|
|
/** Display this name in the log when RPZ policy is applied */
|
|
char* rpz_log_name;
|
|
/** Always reply with this CNAME target if the cname override action is
|
|
* used */
|
|
char* rpz_cname;
|
|
/** signal nxdomain block with unset RA */
|
|
int rpz_signal_nxdomain_ra;
|
|
/** Check ZONEMD records for this zone */
|
|
int zonemd_check;
|
|
/** Reject absence of ZONEMD records, zone must have one */
|
|
int zonemd_reject_absence;
|
|
};
|
|
|
|
/**
|
|
* View config options
|
|
*/
|
|
struct config_view {
|
|
/** next in list */
|
|
struct config_view* next;
|
|
/** view name */
|
|
char* name;
|
|
/** local zones */
|
|
struct config_str2list* local_zones;
|
|
/** local data RRs */
|
|
struct config_strlist* local_data;
|
|
/** local zones nodefault list */
|
|
struct config_strlist* local_zones_nodefault;
|
|
#ifdef USE_IPSET
|
|
/** local zones ipset list */
|
|
struct config_strlist* local_zones_ipset;
|
|
#endif
|
|
/** Fallback to global local_zones when there is no match in the view
|
|
* view specific tree. 1 for yes, 0 for no */
|
|
int isfirst;
|
|
/** predefined actions for particular IP address responses */
|
|
struct config_str2list* respip_actions;
|
|
/** data complementing the 'redirect' response IP actions */
|
|
struct config_str2list* respip_data;
|
|
};
|
|
|
|
/**
|
|
* List of strings for config options
|
|
*/
|
|
struct config_strlist {
|
|
/** next item in list */
|
|
struct config_strlist* next;
|
|
/** config option string */
|
|
char* str;
|
|
};
|
|
|
|
/**
|
|
* List of two strings for config options
|
|
*/
|
|
struct config_str2list {
|
|
/** next item in list */
|
|
struct config_str2list* next;
|
|
/** first string */
|
|
char* str;
|
|
/** second string */
|
|
char* str2;
|
|
};
|
|
|
|
/**
|
|
* List of three strings for config options
|
|
*/
|
|
struct config_str3list {
|
|
/** next item in list */
|
|
struct config_str3list* next;
|
|
/** first string */
|
|
char* str;
|
|
/** second string */
|
|
char* str2;
|
|
/** third string */
|
|
char* str3;
|
|
};
|
|
|
|
|
|
/**
|
|
* List of string, bytestring for config options
|
|
*/
|
|
struct config_strbytelist {
|
|
/** next item in list */
|
|
struct config_strbytelist* next;
|
|
/** first string */
|
|
char* str;
|
|
/** second bytestring */
|
|
uint8_t* str2;
|
|
size_t str2len;
|
|
};
|
|
|
|
/**
|
|
* Create config file structure. Filled with default values.
|
|
* @return: the new structure or NULL on memory error.
|
|
*/
|
|
struct config_file* config_create(void);
|
|
|
|
/**
|
|
* Create config file structure for library use. Filled with default values.
|
|
* @return: the new structure or NULL on memory error.
|
|
*/
|
|
struct config_file* config_create_forlib(void);
|
|
|
|
/**
|
|
* Read the config file from the specified filename.
|
|
* @param config: where options are stored into, must be freshly created.
|
|
* @param filename: name of configfile. If NULL nothing is done.
|
|
* @param chroot: if not NULL, the chroot dir currently in use (for include).
|
|
* @return: false on error. In that case errno is set, ENOENT means
|
|
* file not found.
|
|
*/
|
|
int config_read(struct config_file* config, const char* filename,
|
|
const char* chroot);
|
|
|
|
/**
|
|
* Destroy the config file structure.
|
|
* @param config: to delete.
|
|
*/
|
|
void config_delete(struct config_file* config);
|
|
|
|
/**
|
|
* Apply config to global constants; this routine is called in single thread.
|
|
* @param config: to apply. Side effect: global constants change.
|
|
*/
|
|
void config_apply(struct config_file* config);
|
|
|
|
/**
|
|
* Find username, sets cfg_uid and cfg_gid.
|
|
* @param config: the config structure.
|
|
*/
|
|
void config_lookup_uid(struct config_file* config);
|
|
|
|
/**
|
|
* Set the given keyword to the given value.
|
|
* @param config: where to store config
|
|
* @param option: option name, including the ':' character.
|
|
* @param value: value, this string is copied if needed, or parsed.
|
|
* The caller owns the value string.
|
|
* @return 0 on error (malloc or syntax error).
|
|
*/
|
|
int config_set_option(struct config_file* config, const char* option,
|
|
const char* value);
|
|
|
|
/**
|
|
* Call print routine for the given option.
|
|
* @param cfg: config.
|
|
* @param opt: option name without trailing :.
|
|
* This is different from config_set_option.
|
|
* @param func: print func, called as (str, arg) for every data element.
|
|
* @param arg: user argument for print func.
|
|
* @return false if the option name is not supported (syntax error).
|
|
*/
|
|
int config_get_option(struct config_file* cfg, const char* opt,
|
|
void (*func)(char*,void*), void* arg);
|
|
|
|
/**
|
|
* Get an option and return strlist
|
|
* @param cfg: config file
|
|
* @param opt: option name.
|
|
* @param list: list is returned here. malloced, caller must free it.
|
|
* @return 0=OK, 1=syntax error, 2=malloc failed.
|
|
*/
|
|
int config_get_option_list(struct config_file* cfg, const char* opt,
|
|
struct config_strlist** list);
|
|
|
|
/**
|
|
* Get an option and collate results into string
|
|
* @param cfg: config file
|
|
* @param opt: option name.
|
|
* @param str: string. malloced, caller must free it.
|
|
* @return 0=OK, 1=syntax error, 2=malloc failed.
|
|
*/
|
|
int config_get_option_collate(struct config_file* cfg, const char* opt,
|
|
char** str);
|
|
|
|
/**
|
|
* function to print to a file, use as func with config_get_option.
|
|
* @param line: text to print. \n appended.
|
|
* @param arg: pass a FILE*, like stdout.
|
|
*/
|
|
void config_print_func(char* line, void* arg);
|
|
|
|
/**
|
|
* function to collate the text strings into a strlist_head.
|
|
* @param line: text to append.
|
|
* @param arg: pass a strlist_head structure. zeroed on start.
|
|
*/
|
|
void config_collate_func(char* line, void* arg);
|
|
|
|
/**
|
|
* take a strlist_head list and return a malloc string. separated with newline.
|
|
* @param list: strlist first to collate. zeroes return "".
|
|
* @return NULL on malloc failure. Or if malloc failure happened in strlist.
|
|
*/
|
|
char* config_collate_cat(struct config_strlist* list);
|
|
|
|
/**
|
|
* Append text at end of list.
|
|
* @param list: list head. zeroed at start.
|
|
* @param item: new item. malloced by caller. if NULL the insertion fails.
|
|
* @return true on success.
|
|
* on fail the item is free()ed.
|
|
*/
|
|
int cfg_strlist_append(struct config_strlist_head* list, char* item);
|
|
|
|
/**
|
|
* Searches the end of a string list and appends the given text.
|
|
* @param head: pointer to strlist head variable.
|
|
* @param item: new item. malloced by caller. if NULL the insertion fails.
|
|
* @return true on success.
|
|
*/
|
|
int cfg_strlist_append_ex(struct config_strlist** head, char* item);
|
|
|
|
/**
|
|
* Find string in strlist.
|
|
* @param head: pointer to strlist head variable.
|
|
* @param item: the item to search for.
|
|
* @return: the element in the list when found, NULL otherwise.
|
|
*/
|
|
struct config_strlist* cfg_strlist_find(struct config_strlist* head,
|
|
const char* item);
|
|
|
|
/**
|
|
* Insert string into strlist.
|
|
* @param head: pointer to strlist head variable.
|
|
* @param item: new item. malloced by caller. If NULL the insertion fails.
|
|
* @return: true on success.
|
|
* on fail, the item is free()d.
|
|
*/
|
|
int cfg_strlist_insert(struct config_strlist** head, char* item);
|
|
|
|
/** insert with region for allocation. */
|
|
int cfg_region_strlist_insert(struct regional* region,
|
|
struct config_strlist** head, char* item);
|
|
|
|
/**
|
|
* Insert string into str2list.
|
|
* @param head: pointer to str2list head variable.
|
|
* @param item: new item. malloced by caller. If NULL the insertion fails.
|
|
* @param i2: 2nd string, malloced by caller. If NULL the insertion fails.
|
|
* @return: true on success.
|
|
* on fail, the item and i2 are free()d.
|
|
*/
|
|
int cfg_str2list_insert(struct config_str2list** head, char* item, char* i2);
|
|
|
|
/**
|
|
* Insert string into str3list.
|
|
* @param head: pointer to str3list head variable.
|
|
* @param item: new item. malloced by caller. If NULL the insertion fails.
|
|
* @param i2: 2nd string, malloced by caller. If NULL the insertion fails.
|
|
* @param i3: 3rd string, malloced by caller. If NULL the insertion fails.
|
|
* @return: true on success.
|
|
*/
|
|
int cfg_str3list_insert(struct config_str3list** head, char* item, char* i2,
|
|
char* i3);
|
|
|
|
/**
|
|
* Insert string into strbytelist.
|
|
* @param head: pointer to strbytelist head variable.
|
|
* @param item: new item. malloced by caller. If NULL the insertion fails.
|
|
* @param i2: 2nd string, malloced by caller. If NULL the insertion fails.
|
|
* @param i2len: length of the i2 bytestring.
|
|
* @return: true on success.
|
|
*/
|
|
int cfg_strbytelist_insert(struct config_strbytelist** head, char* item,
|
|
uint8_t* i2, size_t i2len);
|
|
|
|
/**
|
|
* Find stub in config list, also returns prevptr (for deletion).
|
|
* @param pp: call routine with pointer to a pointer to the start of the list,
|
|
* if the stub is found, on exit, the value contains a pointer to the
|
|
* next pointer that points to the found element (or to the list start
|
|
* pointer if it is the first element).
|
|
* @param nm: name of stub to find.
|
|
* @return: pointer to config_stub if found, or NULL if not found.
|
|
*/
|
|
struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm);
|
|
|
|
/**
|
|
* Delete items in config string list.
|
|
* @param list: list.
|
|
*/
|
|
void config_delstrlist(struct config_strlist* list);
|
|
|
|
/**
|
|
* Delete items in config double string list.
|
|
* @param list: list.
|
|
*/
|
|
void config_deldblstrlist(struct config_str2list* list);
|
|
|
|
/**
|
|
* Delete items in config triple string list.
|
|
* @param list: list.
|
|
*/
|
|
void config_deltrplstrlist(struct config_str3list* list);
|
|
|
|
/** delete string array */
|
|
void config_del_strarray(char** array, int num);
|
|
|
|
/** delete stringbytelist */
|
|
void config_del_strbytelist(struct config_strbytelist* list);
|
|
|
|
/**
|
|
* Delete a stub item
|
|
* @param p: stub item
|
|
*/
|
|
void config_delstub(struct config_stub* p);
|
|
|
|
/**
|
|
* Delete items in config stub list.
|
|
* @param list: list.
|
|
*/
|
|
void config_delstubs(struct config_stub* list);
|
|
|
|
/**
|
|
* Delete an auth item
|
|
* @param p: auth item
|
|
*/
|
|
void config_delauth(struct config_auth* p);
|
|
|
|
/**
|
|
* Delete items in config auth list.
|
|
* @param list: list.
|
|
*/
|
|
void config_delauths(struct config_auth* list);
|
|
|
|
/**
|
|
* Delete a view item
|
|
* @param p: view item
|
|
*/
|
|
void config_delview(struct config_view* p);
|
|
|
|
/**
|
|
* Delete items in config view list.
|
|
* @param list: list.
|
|
*/
|
|
void config_delviews(struct config_view* list);
|
|
|
|
/** check if config for remote control turns on IP-address interface
|
|
* with certificates or a named pipe without certificates. */
|
|
int options_remote_is_address(struct config_file* cfg);
|
|
|
|
/**
|
|
* Convert 14digit to time value
|
|
* @param str: string of 14 digits
|
|
* @return time value or 0 for error.
|
|
*/
|
|
time_t cfg_convert_timeval(const char* str);
|
|
|
|
/**
|
|
* Count number of values in the string.
|
|
* format ::= (sp num)+ sp
|
|
* num ::= [-](0-9)+
|
|
* sp ::= (space|tab)*
|
|
*
|
|
* @param str: string
|
|
* @return: 0 on parse error, or empty string, else
|
|
* number of integer values in the string.
|
|
*/
|
|
int cfg_count_numbers(const char* str);
|
|
|
|
/**
|
|
* Convert a 'nice' memory or file size into a bytecount
|
|
* From '100k' to 102400. and so on. Understands kKmMgG.
|
|
* k=1024, m=1024*1024, g=1024*1024*1024.
|
|
* @param str: string
|
|
* @param res: result is stored here, size in bytes.
|
|
* @return: true if parsed correctly, or 0 on a parse error (and an error
|
|
* is logged).
|
|
*/
|
|
int cfg_parse_memsize(const char* str, size_t* res);
|
|
|
|
/**
|
|
* Parse nsid from string into binary nsid. nsid is either a hexadecimal
|
|
* string or an ascii string prepended with ascii_ in which case the
|
|
* characters after ascii_ are simply copied.
|
|
* @param str: the string to parse.
|
|
* @param nsid_len: returns length of nsid in bytes.
|
|
* @return malloced bytes or NULL on parse error or malloc failure.
|
|
*/
|
|
uint8_t* cfg_parse_nsid(const char* str, uint16_t* nsid_len);
|
|
|
|
/**
|
|
* Add a tag name to the config. It is added at the end with a new ID value.
|
|
* @param cfg: the config structure.
|
|
* @param tag: string (which is copied) with the name.
|
|
* @return: false on alloc failure.
|
|
*/
|
|
int config_add_tag(struct config_file* cfg, const char* tag);
|
|
|
|
/**
|
|
* Find tag ID in the tag list.
|
|
* @param cfg: the config structure.
|
|
* @param tag: string with tag name to search for.
|
|
* @return: 0..(num_tags-1) with tag ID, or -1 if tagname is not found.
|
|
*/
|
|
int find_tag_id(struct config_file* cfg, const char* tag);
|
|
|
|
/**
|
|
* parse taglist from string into bytestring with bitlist.
|
|
* @param cfg: the config structure (with tagnames)
|
|
* @param str: the string to parse. Parse puts 0 bytes in string.
|
|
* @param listlen: returns length of in bytes.
|
|
* @return malloced bytes with a bitlist of the tags. or NULL on parse error
|
|
* or malloc failure.
|
|
*/
|
|
uint8_t* config_parse_taglist(struct config_file* cfg, char* str,
|
|
size_t* listlen);
|
|
|
|
/**
|
|
* convert tag bitlist to a malloced string with tag names. For debug output.
|
|
* @param cfg: the config structure (with tagnames)
|
|
* @param taglist: the tag bitlist.
|
|
* @param len: length of the tag bitlist.
|
|
* @return malloced string or NULL.
|
|
*/
|
|
char* config_taglist2str(struct config_file* cfg, uint8_t* taglist,
|
|
size_t len);
|
|
|
|
/**
|
|
* see if two taglists intersect (have tags in common).
|
|
* @param list1: first tag bitlist.
|
|
* @param list1len: length in bytes of first list.
|
|
* @param list2: second tag bitlist.
|
|
* @param list2len: length in bytes of second list.
|
|
* @return true if there are tags in common, 0 if not.
|
|
*/
|
|
int taglist_intersect(uint8_t* list1, size_t list1len, const uint8_t* list2,
|
|
size_t list2len);
|
|
|
|
/**
|
|
* Parse local-zone directive into two strings and register it in the config.
|
|
* @param cfg: to put it in.
|
|
* @param val: argument strings to local-zone, "example.com nodefault".
|
|
* @return: false on failure
|
|
*/
|
|
int cfg_parse_local_zone(struct config_file* cfg, const char* val);
|
|
|
|
/**
|
|
* Mark "number" or "low-high" as available or not in ports array.
|
|
* @param str: string in input
|
|
* @param allow: give true if this range is permitted.
|
|
* @param avail: the array from cfg.
|
|
* @param num: size of the array (65536).
|
|
* @return: true if parsed correctly, or 0 on a parse error (and an error
|
|
* is logged).
|
|
*/
|
|
int cfg_mark_ports(const char* str, int allow, int* avail, int num);
|
|
|
|
/**
|
|
* Get a condensed list of ports returned. allocated.
|
|
* @param cfg: config file.
|
|
* @param avail: the available ports array is returned here.
|
|
* @return: number of ports in array or 0 on error.
|
|
*/
|
|
int cfg_condense_ports(struct config_file* cfg, int** avail);
|
|
|
|
/**
|
|
* Apply system specific port range policy.
|
|
* @param cfg: config file.
|
|
* @param num: size of the array (65536).
|
|
*/
|
|
void cfg_apply_local_port_policy(struct config_file* cfg, int num);
|
|
|
|
/**
|
|
* Scan ports available
|
|
* @param avail: the array from cfg.
|
|
* @param num: size of the array (65536).
|
|
* @return the number of ports available for use.
|
|
*/
|
|
int cfg_scan_ports(int* avail, int num);
|
|
|
|
/**
|
|
* Convert a filename to full pathname in original filesys
|
|
* @param fname: the path name to convert.
|
|
* Must not be null or empty.
|
|
* @param cfg: config struct for chroot and chdir (if set).
|
|
* @param use_chdir: if false, only chroot is applied.
|
|
* @return pointer to malloced buffer which is: [chroot][chdir]fname
|
|
* or NULL on malloc failure.
|
|
*/
|
|
char* fname_after_chroot(const char* fname, struct config_file* cfg,
|
|
int use_chdir);
|
|
|
|
/**
|
|
* Convert a ptr shorthand into a full reverse-notation PTR record.
|
|
* @param str: input string, "IP name"
|
|
* @return: malloced string "reversed-ip-name PTR name"
|
|
*/
|
|
char* cfg_ptr_reverse(char* str);
|
|
|
|
/**
|
|
* Used during options parsing
|
|
*/
|
|
struct config_parser_state {
|
|
/** name of file being parser */
|
|
char* filename;
|
|
/** line number in the file, starts at 1 */
|
|
int line;
|
|
/** number of errors encountered */
|
|
int errors;
|
|
/** the result of parsing is stored here. */
|
|
struct config_file* cfg;
|
|
/** the current chroot dir (or NULL if none) */
|
|
const char* chroot;
|
|
/** if we are started in a toplevel, or not, after a force_toplevel */
|
|
int started_toplevel;
|
|
};
|
|
|
|
/** global config parser object used during config parsing */
|
|
extern struct config_parser_state* cfg_parser;
|
|
/** init lex state */
|
|
void init_cfg_parse(void);
|
|
/** lex in file */
|
|
extern FILE* ub_c_in;
|
|
/** lex out file */
|
|
extern FILE* ub_c_out;
|
|
/** the yacc lex generated parse function */
|
|
int ub_c_parse(void);
|
|
/** the lexer function */
|
|
int ub_c_lex(void);
|
|
/** wrap function */
|
|
int ub_c_wrap(void);
|
|
/** parsing helpers: print error with file and line numbers */
|
|
void ub_c_error(const char* msg);
|
|
/** parsing helpers: print error with file and line numbers */
|
|
void ub_c_error_msg(const char* fmt, ...) ATTR_FORMAT(printf, 1, 2);
|
|
|
|
#ifdef UB_ON_WINDOWS
|
|
/**
|
|
* Obtain registry string (if it exists).
|
|
* @param key: key string
|
|
* @param name: name of value to fetch.
|
|
* @return malloced string with the result or NULL if it did not
|
|
* exist on an error (logged with log_err) was encountered.
|
|
*/
|
|
char* w_lookup_reg_str(const char* key, const char* name);
|
|
|
|
/** Modify directory in options for module file name */
|
|
void w_config_adjust_directory(struct config_file* cfg);
|
|
#endif /* UB_ON_WINDOWS */
|
|
|
|
/** debug option for unit tests. */
|
|
extern int fake_dsa, fake_sha1;
|
|
|
|
/** see if interface is https, its port number == the https port number */
|
|
int if_is_https(const char* ifname, const char* port, int https_port);
|
|
|
|
/**
|
|
* Return true if the config contains settings that enable https.
|
|
* @param cfg: config information.
|
|
* @return true if https ports are used for server.
|
|
*/
|
|
int cfg_has_https(struct config_file* cfg);
|
|
|
|
/** see if interface is PROXYv2, its port number == the proxy port number */
|
|
int if_is_pp2(const char* ifname, const char* port,
|
|
struct config_strlist* proxy_protocol_port);
|
|
|
|
/** see if interface is DNSCRYPT, its port number == the dnscrypt port number */
|
|
int if_is_dnscrypt(const char* ifname, const char* port, int dnscrypt_port);
|
|
#ifdef USE_LINUX_IP_LOCAL_PORT_RANGE
|
|
#define LINUX_IP_LOCAL_PORT_RANGE_PATH "/proc/sys/net/ipv4/ip_local_port_range"
|
|
#endif
|
|
|
|
#endif /* UTIL_CONFIG_FILE_H */
|