X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fresolve%2Fresolved-manager.h;fp=src%2Fresolve%2Fresolved-manager.h;h=03386f0a4f6a231554dfd4fa28258ada263047d5;hp=0000000000000000000000000000000000000000;hb=39d8db043b599a7382f94bfc904d5e108af438bd;hpb=4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4

diff --git a/src/resolve/resolved-manager.h b/src/resolve/resolved-manager.h
new file mode 100644
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--- /dev/null
+++ b/src/resolve/resolved-manager.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Tom Gundersen <teg@jklm.no>
+
+  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 "sd-event.h"
+#include "sd-network.h"
+#include "sd-rtnl.h"
+#include "util.h"
+#include "list.h"
+#include "in-addr-util.h"
+#include "hashmap.h"
+
+typedef struct Manager Manager;
+
+#include "resolved-dns-query.h"
+#include "resolved-dns-server.h"
+#include "resolved-dns-scope.h"
+#include "resolved-dns-stream.h"
+#include "resolved-link.h"
+
+typedef enum Support {
+        SUPPORT_NO,
+        SUPPORT_YES,
+        SUPPORT_RESOLVE,
+        _SUPPORT_MAX,
+        _SUPPORT_INVALID = -1
+} Support;
+
+struct Manager {
+        sd_event *event;
+
+        Support llmnr_support;
+
+        /* Network */
+        Hashmap *links;
+
+        sd_rtnl *rtnl;
+        sd_event_source *rtnl_event_source;
+
+        sd_network_monitor *network_monitor;
+        sd_event_source *network_event_source;
+
+        /* DNS query management */
+        Hashmap *dns_transactions;
+        LIST_HEAD(DnsQuery, dns_queries);
+        unsigned n_dns_queries;
+
+        LIST_HEAD(DnsStream, dns_streams);
+        unsigned n_dns_streams;
+
+        /* Unicast dns */
+        int dns_ipv4_fd;
+        int dns_ipv6_fd;
+
+        sd_event_source *dns_ipv4_event_source;
+        sd_event_source *dns_ipv6_event_source;
+
+        LIST_HEAD(DnsServer, dns_servers);
+        LIST_HEAD(DnsServer, fallback_dns_servers);
+        DnsServer *current_dns_server;
+
+        LIST_HEAD(DnsScope, dns_scopes);
+        DnsScope *unicast_scope;
+
+        /* LLMNR */
+        int llmnr_ipv4_udp_fd;
+        int llmnr_ipv6_udp_fd;
+        int llmnr_ipv4_tcp_fd;
+        int llmnr_ipv6_tcp_fd;
+
+        sd_event_source *llmnr_ipv4_udp_event_source;
+        sd_event_source *llmnr_ipv6_udp_event_source;
+        sd_event_source *llmnr_ipv4_tcp_event_source;
+        sd_event_source *llmnr_ipv6_tcp_event_source;
+
+        /* dbus */
+        sd_bus *bus;
+        sd_event_source *bus_retry_event_source;
+
+        /* The hostname we publish on LLMNR and mDNS */
+        char *hostname;
+        DnsResourceKey *host_ipv4_key;
+        DnsResourceKey *host_ipv6_key;
+
+        /* Watch the system hostname */
+        int hostname_fd;
+        sd_event_source *hostname_event_source;
+};
+
+/* Manager */
+
+int manager_new(Manager **ret);
+Manager* manager_free(Manager *m);
+
+int manager_write_resolv_conf(Manager *m);
+
+bool manager_known_dns_server(Manager *m, int family, const union in_addr_union *in_addr);
+DnsServer *manager_get_dns_server(Manager *m);
+void manager_next_dns_server(Manager *m);
+
+uint32_t manager_find_mtu(Manager *m);
+
+int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *addr, uint16_t port, DnsPacket *p);
+int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret);
+
+int manager_dns_ipv4_fd(Manager *m);
+int manager_dns_ipv6_fd(Manager *m);
+int manager_llmnr_ipv4_udp_fd(Manager *m);
+int manager_llmnr_ipv6_udp_fd(Manager *m);
+int manager_llmnr_ipv4_tcp_fd(Manager *m);
+int manager_llmnr_ipv6_tcp_fd(Manager *m);
+
+int manager_ifindex_is_loopback(Manager *m, int ifindex);
+int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr);
+LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr);
+
+void manager_refresh_rrs(Manager *m);
+int manager_next_hostname(Manager *m);
+
+int manager_our_packet(Manager *m, DnsPacket *p);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
+
+#define EXTRA_CMSG_SPACE 1024
+
+const char* support_to_string(Support p) _const_;
+int support_from_string(const char *s) _pure_;