471d40d92f
This function emits the UDP packet via the scope, but first it will determine the current server (and connect to it) and store the server in the transaction. This should not change the behavior, but simplifies the code.
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "list.h"
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typedef struct DnsScope DnsScope;
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#include "resolved-dns-server.h"
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#include "resolved-dns-packet.h"
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#include "resolved-dns-cache.h"
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#include "resolved-dns-zone.h"
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#include "resolved-link.h"
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typedef enum DnsScopeMatch {
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DNS_SCOPE_NO,
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DNS_SCOPE_MAYBE,
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DNS_SCOPE_YES,
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_DNS_SCOPE_MATCH_MAX,
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_DNS_SCOPE_INVALID = -1
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} DnsScopeMatch;
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struct DnsScope {
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Manager *manager;
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DnsProtocol protocol;
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int family;
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Link *link;
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char **domains;
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DnsCache cache;
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DnsZone zone;
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OrderedHashmap *conflict_queue;
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sd_event_source *conflict_event_source;
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RateLimit ratelimit;
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LIST_HEAD(DnsTransaction, transactions);
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LIST_FIELDS(DnsScope, scopes);
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};
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int dns_scope_new(Manager *m, DnsScope **ret, Link *l, DnsProtocol p, int family);
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DnsScope* dns_scope_free(DnsScope *s);
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int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p);
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int dns_scope_tcp_socket(DnsScope *s, int family, const union in_addr_union *address, uint16_t port, DnsServer **server);
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int dns_scope_udp_dns_socket(DnsScope *s, DnsServer **server);
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DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, const char *domain);
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int dns_scope_good_key(DnsScope *s, DnsResourceKey *key);
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DnsServer *dns_scope_get_dns_server(DnsScope *s);
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void dns_scope_next_dns_server(DnsScope *s);
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int dns_scope_llmnr_membership(DnsScope *s, bool b);
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void dns_scope_process_query(DnsScope *s, DnsStream *stream, DnsPacket *p);
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DnsTransaction *dns_scope_find_transaction(DnsScope *scope, DnsQuestion *question, bool cache_ok);
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int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr);
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void dns_scope_check_conflicts(DnsScope *scope, DnsPacket *p);
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