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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-07-27 21:21:19 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-07-27 21:21:19 -0400
commit38b93f33c4130a69b6ff1777ee59511f601abff6 (patch)
tree4f51d827b4e7598b3ab46f86a3c1ab5e03782700 /src/grp-resolve/systemd-resolved/resolved-dns-scope.h
parenta9330854c56ccba7b6ce4bdb046ae7778b329622 (diff)
./move.sh
Diffstat (limited to 'src/grp-resolve/systemd-resolved/resolved-dns-scope.h')
-rw-r--r--src/grp-resolve/systemd-resolved/resolved-dns-scope.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/grp-resolve/systemd-resolved/resolved-dns-scope.h b/src/grp-resolve/systemd-resolved/resolved-dns-scope.h
new file mode 100644
index 0000000000..291e5817d0
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+++ b/src/grp-resolve/systemd-resolved/resolved-dns-scope.h
@@ -0,0 +1,109 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "list.h"
+
+typedef struct DnsScope DnsScope;
+
+#include "resolved-dns-cache.h"
+#include "resolved-dns-dnssec.h"
+#include "resolved-dns-packet.h"
+#include "resolved-dns-server.h"
+#include "resolved-dns-zone.h"
+#include "resolved-link.h"
+
+typedef enum DnsScopeMatch {
+ DNS_SCOPE_NO,
+ DNS_SCOPE_MAYBE,
+ DNS_SCOPE_YES,
+ _DNS_SCOPE_MATCH_MAX,
+ _DNS_SCOPE_INVALID = -1
+} DnsScopeMatch;
+
+struct DnsScope {
+ Manager *manager;
+
+ DnsProtocol protocol;
+ int family;
+ DnssecMode dnssec_mode;
+
+ Link *link;
+
+ DnsCache cache;
+ DnsZone zone;
+
+ OrderedHashmap *conflict_queue;
+ sd_event_source *conflict_event_source;
+
+ RateLimit ratelimit;
+
+ usec_t resend_timeout;
+ usec_t max_rtt;
+
+ LIST_HEAD(DnsQueryCandidate, query_candidates);
+
+ /* Note that we keep track of ongoing transactions in two
+ * ways: once in a hashmap, indexed by the rr key, and once in
+ * a linked list. We use the hashmap to quickly find
+ * transactions we can reuse for a key. But note that there
+ * might be multiple transactions for the same key (because
+ * the zone probing can't reuse a transaction answered from
+ * the zone or the cache), and the hashmap only tracks the
+ * most recent entry. */
+ Hashmap *transactions_by_key;
+ LIST_HEAD(DnsTransaction, transactions);
+
+ LIST_FIELDS(DnsScope, scopes);
+};
+
+int dns_scope_new(Manager *m, DnsScope **ret, Link *l, DnsProtocol p, int family);
+DnsScope* dns_scope_free(DnsScope *s);
+
+void dns_scope_packet_received(DnsScope *s, usec_t rtt);
+void dns_scope_packet_lost(DnsScope *s, usec_t usec);
+
+int dns_scope_emit_udp(DnsScope *s, int fd, DnsPacket *p);
+int dns_scope_socket_tcp(DnsScope *s, int family, const union in_addr_union *address, DnsServer *server, uint16_t port);
+int dns_scope_socket_udp(DnsScope *s, DnsServer *server, uint16_t port);
+
+DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, const char *domain);
+bool dns_scope_good_key(DnsScope *s, const DnsResourceKey *key);
+
+DnsServer *dns_scope_get_dns_server(DnsScope *s);
+void dns_scope_next_dns_server(DnsScope *s);
+
+int dns_scope_llmnr_membership(DnsScope *s, bool b);
+int dns_scope_mdns_membership(DnsScope *s, bool b);
+
+void dns_scope_process_query(DnsScope *s, DnsStream *stream, DnsPacket *p);
+
+DnsTransaction *dns_scope_find_transaction(DnsScope *scope, DnsResourceKey *key, bool cache_ok);
+
+int dns_scope_notify_conflict(DnsScope *scope, DnsResourceRecord *rr);
+void dns_scope_check_conflicts(DnsScope *scope, DnsPacket *p);
+
+void dns_scope_dump(DnsScope *s, FILE *f);
+
+DnsSearchDomain *dns_scope_get_search_domains(DnsScope *s);
+
+bool dns_scope_name_needs_search_domain(DnsScope *s, const char *name);
+
+bool dns_scope_network_good(DnsScope *s);