mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-09-19 16:11:32 +00:00
212df5cbd8
Fixes: a8d6005256
451 lines
12 KiB
C
451 lines
12 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright 2016 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include "nm-dns-manager.h"
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#include <string.h>
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#include "nm-dbus-interface.h"
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#include "nm-connection.h"
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#include "nm-client.h"
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#include "nm-object-private.h"
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#include "nm-dbus-helpers.h"
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#include "nm-core-internal.h"
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#include "introspection/org.freedesktop.NetworkManager.DnsManager.h"
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G_DEFINE_TYPE (NMDnsManager, nm_dns_manager, NM_TYPE_OBJECT)
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#define NM_DNS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DNS_MANAGER, NMDnsManagerPrivate))
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typedef struct {
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NMDBusDnsManager *proxy;
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char *mode;
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char *rc_manager;
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GPtrArray *configuration;
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} NMDnsManagerPrivate;
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enum {
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PROP_0,
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PROP_MODE,
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PROP_RC_MANAGER,
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PROP_CONFIGURATION,
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LAST_PROP
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};
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/*****************************************************************************
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* NMDnsEntry
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*****************************************************************************/
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G_DEFINE_BOXED_TYPE (NMDnsEntry, nm_dns_entry, nm_dns_entry_dup, nm_dns_entry_unref)
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struct NMDnsEntry {
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guint refcount;
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char *interface;
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char **nameservers;
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char **domains;
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int priority;
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gboolean vpn;
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};
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/**
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* nm_dns_entry_new:
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*
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* Creates a new #NMDnsEntry object.
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*
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* Returns: (transfer full): the new #NMDnsEntry object, or %NULL on error
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**/
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NMDnsEntry *
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nm_dns_entry_new (const char *interface,
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const char * const *nameservers,
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const char * const *domains,
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int priority,
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gboolean vpn)
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{
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NMDnsEntry *entry;
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guint i, len;
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entry = g_slice_new0 (NMDnsEntry);
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entry->refcount = 1;
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entry->interface = g_strdup (interface);
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if (nameservers) {
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len = g_strv_length ((char **) nameservers);
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entry->nameservers = g_new (char *, len + 1);
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for (i = 0; i < len + 1; i++)
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entry->nameservers[i] = g_strdup (nameservers[i]);
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}
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if (domains) {
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len = g_strv_length ((char **) domains);
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entry->domains = g_new (char *, len + 1);
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for (i = 0; i < len + 1; i++)
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entry->domains[i] = g_strdup (domains[i]);
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}
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entry->priority = priority;
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entry->vpn = vpn;
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return entry;
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}
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/**
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* nm_dns_entry_dup:
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* @entry: the #NMDnsEntry
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*
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* Creates a copy of @entry
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*
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* Returns: (transfer full): a copy of @entry
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**/
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NMDnsEntry *
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nm_dns_entry_dup (NMDnsEntry *entry)
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{
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NMDnsEntry *copy;
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g_return_val_if_fail (entry != NULL, NULL);
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g_return_val_if_fail (entry->refcount > 0, NULL);
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copy = nm_dns_entry_new (entry->interface,
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(const char * const *) entry->nameservers,
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(const char * const *) entry->domains,
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entry->priority,
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entry->vpn);
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return copy;
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}
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/**
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* nm_dns_entry_unref:
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* @entry: the #NMDnsEntry
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*
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* Decreases the reference count of the object. If the reference count
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* reaches zero, the object will be destroyed.
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*
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* Since: 1.6
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**/
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void
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nm_dns_entry_unref (NMDnsEntry *entry)
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{
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g_return_if_fail (entry != NULL);
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g_return_if_fail (entry->refcount > 0);
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entry->refcount--;
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if (entry->refcount == 0) {
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g_free (entry->interface);
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g_strfreev (entry->nameservers);
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g_strfreev (entry->domains);
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g_slice_free (NMDnsEntry, entry);
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}
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}
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/**
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* nm_dns_entry_get_interface:
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* @entry: the #NMDnsEntry
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*
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* Gets the interface on which name servers are contacted.
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*
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* Returns: (transfer none): the interface name
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*
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* Since: 1.6
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**/
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const char *
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nm_dns_entry_get_interface (NMDnsEntry *entry)
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{
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g_return_val_if_fail (entry, 0);
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g_return_val_if_fail (entry->refcount > 0, 0);
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return entry->interface;
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}
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/**
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* nm_dns_entry_get_nameservers:
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* @entry: the #NMDnsEntry
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*
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* Gets the list of name servers for this entry.
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*
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* Returns: (transfer none): the list of name servers
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*
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* Since: 1.6
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**/
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const char * const *
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nm_dns_entry_get_nameservers (NMDnsEntry *entry)
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{
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g_return_val_if_fail (entry, 0);
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g_return_val_if_fail (entry->refcount > 0, 0);
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return (const char * const *) entry->nameservers;
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}
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/**
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* nm_dns_entry_get_domains:
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* @entry: the #NMDnsEntry
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*
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* Gets the list of DNS domains.
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*
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* Returns: (transfer none): the list of DNS domains
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*
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* Since: 1.6
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**/
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const char * const *
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nm_dns_entry_get_domains (NMDnsEntry *entry)
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{
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g_return_val_if_fail (entry, 0);
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g_return_val_if_fail (entry->refcount > 0, 0);
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return (const char * const *)entry->domains;
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}
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/**
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* nm_dns_entry_get_vpn:
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* @entry: the #NMDnsEntry
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*
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* Gets whether the entry refers to VPN name servers.
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*
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* Returns: %TRUE if the entry refers to VPN name servers
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*
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* Since: 1.6
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**/
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gboolean
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nm_dns_entry_get_vpn (NMDnsEntry *entry)
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{
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g_return_val_if_fail (entry, 0);
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g_return_val_if_fail (entry->refcount > 0, 0);
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return entry->vpn;
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}
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/**
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* nm_dns_entry_get_priority:
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* @entry: the #NMDnsEntry
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*
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* Gets the priority of the entry
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*
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* Returns: the priority of the entry
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*
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* Since: 1.6
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**/
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int
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nm_dns_entry_get_priority (NMDnsEntry *entry)
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{
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g_return_val_if_fail (entry, 0);
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g_return_val_if_fail (entry->refcount > 0, 0);
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return entry->priority;
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}
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/*****************************************************************************/
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static gboolean
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demarshal_dns_configuration (NMObject *object, GParamSpec *pspec, GVariant *value, gpointer field)
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{
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NMDnsManagerPrivate *priv = NM_DNS_MANAGER_GET_PRIVATE (object);
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GVariant *entry_var;
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GVariantIter iter, *iterp;
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NMDnsEntry *entry;
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GPtrArray *array;
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g_return_val_if_fail (g_variant_is_of_type (value, G_VARIANT_TYPE ("aa{sv}")), FALSE);
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g_variant_iter_init (&iter, value);
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g_ptr_array_unref (priv->configuration);
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priv->configuration = g_ptr_array_new_with_free_func ((GDestroyNotify) nm_dns_entry_unref);
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while (g_variant_iter_next (&iter, "@a{sv}", &entry_var)) {
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char **nameservers = NULL, **domains = NULL;
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gboolean vpn = FALSE;
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char *interface = NULL, *str;
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gint priority;
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if ( !g_variant_lookup (entry_var, "nameservers", "as", &iterp)
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|| !g_variant_lookup (entry_var, "priority", "i", &priority)) {
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g_warning ("Ignoring invalid DNS configuration");
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g_variant_unref (entry_var);
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continue;
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}
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array = g_ptr_array_new ();
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while (g_variant_iter_next (iterp, "&s", &str))
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g_ptr_array_add (array, str);
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g_ptr_array_add (array, NULL);
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nameservers = (char **) g_ptr_array_free (array, FALSE);
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g_variant_iter_free (iterp);
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if (g_variant_lookup (entry_var, "domains", "as", &iterp)) {
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array = g_ptr_array_new ();
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while (g_variant_iter_next (iterp, "&s", &str))
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g_ptr_array_add (array, str);
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g_ptr_array_add (array, NULL);
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domains = (char **) g_ptr_array_free (array, FALSE);
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g_variant_iter_free (iterp);
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}
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g_variant_lookup (entry_var, "interface", "&s", &interface);
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g_variant_lookup (entry_var, "priority", "i", &priority);
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g_variant_lookup (entry_var, "vpn", "b", &vpn);
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entry = nm_dns_entry_new (interface,
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(const char * const *) nameservers,
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(const char * const *) domains,
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priority,
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vpn);
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g_free (domains);
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g_free (nameservers);
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g_variant_unref (entry_var);
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if (!entry) {
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g_warning ("Ignoring invalid DNS entry");
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continue;
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}
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g_ptr_array_add (priv->configuration, entry);
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}
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_nm_object_queue_notify (object, NM_DNS_MANAGER_CONFIGURATION);
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return TRUE;
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}
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/*****************************************************************************/
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const char *
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nm_dns_manager_get_mode (NMDnsManager *manager)
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{
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return NM_DNS_MANAGER_GET_PRIVATE (manager)->mode;
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}
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const char *
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nm_dns_manager_get_rc_manager (NMDnsManager *manager)
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{
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return NM_DNS_MANAGER_GET_PRIVATE (manager)->rc_manager;
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}
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const GPtrArray *
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nm_dns_manager_get_configuration (NMDnsManager *manager)
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{
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return NM_DNS_MANAGER_GET_PRIVATE (manager)->configuration;
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}
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/*****************************************************************************/
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static void
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nm_dns_manager_init (NMDnsManager *self)
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{
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NMDnsManagerPrivate *priv = NM_DNS_MANAGER_GET_PRIVATE (self);
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priv->configuration = g_ptr_array_new ();
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}
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static void
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init_dbus (NMObject *object)
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{
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NMDnsManagerPrivate *priv = NM_DNS_MANAGER_GET_PRIVATE (object);
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const NMPropertiesInfo property_info[] = {
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{ NM_DNS_MANAGER_MODE, &priv->mode },
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{ NM_DNS_MANAGER_RC_MANAGER, &priv->rc_manager },
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{ NM_DNS_MANAGER_CONFIGURATION, &priv->configuration, demarshal_dns_configuration },
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{ NULL },
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};
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NM_OBJECT_CLASS (nm_dns_manager_parent_class)->init_dbus (object);
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priv->proxy = NMDBUS_DNS_MANAGER (_nm_object_get_proxy (object, NM_DBUS_INTERFACE_DNS_MANAGER));
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_nm_object_register_properties (object,
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NM_DBUS_INTERFACE_DNS_MANAGER,
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property_info);
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}
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static void
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dispose (GObject *object)
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{
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NMDnsManager *self = NM_DNS_MANAGER (object);
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NMDnsManagerPrivate *priv = NM_DNS_MANAGER_GET_PRIVATE (self);
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g_clear_pointer (&priv->mode, g_free);
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g_clear_pointer (&priv->rc_manager, g_free);
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g_clear_pointer (&priv->configuration, g_ptr_array_unref);
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G_OBJECT_CLASS (nm_dns_manager_parent_class)->dispose (object);
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}
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static void
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get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec)
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{
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NMDnsManagerPrivate *priv = NM_DNS_MANAGER_GET_PRIVATE (object);
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switch (prop_id) {
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case PROP_MODE:
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g_value_set_string (value, priv->mode);
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break;
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case PROP_RC_MANAGER:
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g_value_set_string (value, priv->rc_manager);
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break;
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case PROP_CONFIGURATION:
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g_value_take_boxed (value, _nm_utils_copy_array (priv->configuration,
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(NMUtilsCopyFunc) nm_dns_entry_dup,
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(GDestroyNotify) nm_dns_entry_unref));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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nm_dns_manager_class_init (NMDnsManagerClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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NMObjectClass *nm_object_class = NM_OBJECT_CLASS (class);
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g_type_class_add_private (class, sizeof (NMDnsManagerPrivate));
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/* Virtual methods */
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object_class->get_property = get_property;
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object_class->dispose = dispose;
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nm_object_class->init_dbus = init_dbus;
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/* Properties */
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g_object_class_install_property
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(object_class, PROP_MODE,
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g_param_spec_string (NM_DNS_MANAGER_MODE, "", "",
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NULL,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property
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(object_class, PROP_RC_MANAGER,
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g_param_spec_string (NM_DNS_MANAGER_RC_MANAGER, "", "",
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NULL,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property
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(object_class, PROP_CONFIGURATION,
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g_param_spec_boxed (NM_DNS_MANAGER_CONFIGURATION, "", "",
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G_TYPE_PTR_ARRAY,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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}
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