/src/systemd/src/network/networkd-manager-bus.c

Source
/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <sys/stat.h>

#include "sd-bus.h"

#include "alloc-util.h"
#include "bus-common-errors.h"
#include "bus-message-util.h"
#include "bus-object.h"
#include "bus-polkit.h"
#include "hashmap.h"
#include "networkd-dhcp-server-bus.h"
#include "networkd-dhcp4-bus.h"
#include "networkd-dhcp6-bus.h"
#include "networkd-json.h"
#include "networkd-link.h"
#include "networkd-link-bus.h"
#include "networkd-manager.h"
#include "networkd-manager-bus.h"
#include "networkd-network-bus.h"
#include "path-util.h"

static int method_list_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
        Manager *manager = userdata;
        Link *link;
        int r;

        r = sd_bus_message_new_method_return(message, &reply);
        if (r < 0)
                return r;

        r = sd_bus_message_open_container(reply, 'a', "(iso)");
        if (r < 0)
                return r;

        HASHMAP_FOREACH(link, manager->links_by_index) {
                _cleanup_free_ char *path = NULL;

                path = link_bus_path(link);
                if (!path)
                        return -ENOMEM;

                r = sd_bus_message_append(
                        reply, "(iso)",
                        link->ifindex,
                        link->ifname,
                        empty_to_root(path));
                if (r < 0)
                        return r;
        }

        r = sd_bus_message_close_container(reply);
        if (r < 0)
                return r;

        return sd_bus_message_send(reply);
}

static int method_get_link_by_name(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
        _cleanup_free_ char *path = NULL;
        Manager *manager = userdata;
        const char *name;
        Link *link;
        int r;

        r = sd_bus_message_read(message, "s", &name);
        if (r < 0)
                return r;

        if (link_get_by_name(manager, name, &link) < 0)
                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);

        r = sd_bus_message_new_method_return(message, &reply);
        if (r < 0)
                return r;

        path = link_bus_path(link);
        if (!path)
                return -ENOMEM;

        r = sd_bus_message_append(reply, "io", link->ifindex, empty_to_root(path));
        if (r < 0)
                return r;

        return sd_bus_message_send(reply);
}

static int method_get_link_by_index(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
        _cleanup_free_ char *path = NULL;
        Manager *manager = userdata;
        int ifindex, r;
        Link *link;

        r = bus_message_read_ifindex(message, error, &ifindex);
        if (r < 0)
                return r;

        r = link_get_by_index(manager, ifindex, &link);
        if (r < 0)
                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);

        r = sd_bus_message_new_method_return(message, &reply);
        if (r < 0)
                return r;

        path = link_bus_path(link);
        if (!path)
                return -ENOMEM;

        r = sd_bus_message_append(reply, "so", link->ifname, empty_to_root(path));
        if (r < 0)
                return r;

        return sd_bus_message_send(reply);
}

static int call_link_method(Manager *m, sd_bus_message *message, sd_bus_message_handler_t handler, sd_bus_error *error) {
        int ifindex, r;
        Link *l;

        assert(m);
        assert(message);
        assert(handler);

        r = bus_message_read_ifindex(message, error, &ifindex);
        if (r < 0)
                return r;

        r = link_get_by_index(m, ifindex, &l);
        if (r < 0)
                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);

        return handler(message, l, error);
}

static int bus_method_set_link_ntp_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_ntp_servers, error);
}

static int bus_method_set_link_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_dns_servers, error);
}

static int bus_method_set_link_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_dns_servers_ex, error);
}

static int bus_method_set_link_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_domains, error);
}

static int bus_method_set_link_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_default_route, error);
}

static int bus_method_set_link_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_llmnr, error);
}

static int bus_method_set_link_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_mdns, error);
}

static int bus_method_set_link_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_dns_over_tls, error);
}

static int bus_method_set_link_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_dnssec, error);
}

static int bus_method_set_link_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_set_dnssec_negative_trust_anchors, error);
}

static int bus_method_revert_link_ntp(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_revert_ntp, error);
}

static int bus_method_revert_link_dns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_revert_dns, error);
}

static int bus_method_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_renew, error);
}

static int bus_method_force_renew_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_force_renew, error);
}

static int bus_method_reconfigure_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_reconfigure, error);
}

static int bus_method_reload(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        Manager *manager = ASSERT_PTR(userdata);
        int r;

        if (manager->reloading > 0)
                return sd_bus_error_set(error, BUS_ERROR_NETWORK_ALREADY_RELOADING, "Already reloading.");

        r = bus_verify_polkit_async(
                        message,
                        "org.freedesktop.network1.reload",
                        /* details= */ NULL,
                        &manager->polkit_registry,
                        error);
        if (r < 0)
                return r;
        if (r == 0)
                return 1; /* Polkit will call us back */

        r = manager_reload(manager, message, /* varlink= */ NULL, /* reconfigure_links= */ true);
        if (r < 0)
                return r;

        if (manager->reloading > 0)
                return 1; /* Will reply later. */

        return sd_bus_reply_method_return(message, NULL);
}

static int bus_method_describe_link(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        return call_link_method(userdata, message, bus_link_method_describe, error);
}

static int bus_method_describe(sd_bus_message *message, void *userdata, sd_bus_error *error) {
        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
        _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
        _cleanup_free_ char *text = NULL;
        Manager *manager = ASSERT_PTR(userdata);
        int r;

        assert(message);

        r = manager_build_json(manager, &v);
        if (r < 0)
                return log_error_errno(r, "Failed to build JSON data: %m");

        r = sd_json_variant_format(v, 0, &text);
        if (r < 0)
                return log_error_errno(r, "Failed to format JSON data: %m");

        r = sd_bus_message_new_method_return(message, &reply);
        if (r < 0)
                return r;

        r = sd_bus_message_append(reply, "s", text);
        if (r < 0)
                return r;

        return sd_bus_message_send(reply);
}

static int property_get_namespace_id(
                sd_bus *bus,
                const char *path,
                const char *interface,
                const char *property,
                sd_bus_message *reply,
                void *userdata,
                sd_bus_error *error) {

        uint64_t id = 0;
        struct stat st;

        assert(bus);
        assert(reply);

        /* Returns our own network namespace ID, i.e. the inode number of /proc/self/ns/net. This allows
         * unprivileged clients to determine whether they are in the same network namespace as us (note that
         * access to that path is restricted, thus they can't check directly unless privileged). */

        if (stat("/proc/self/ns/net", &st) < 0) {
                log_warning_errno(errno, "Failed to stat network namespace, ignoring: %m");
                id = 0;
        } else
                id = st.st_ino;

        return sd_bus_message_append(reply, "t", id);
}

static int property_get_namespace_nsid(
                sd_bus *bus,
                const char *path,
                const char *interface,
                const char *property,
                sd_bus_message *reply,
                void *userdata,
                sd_bus_error *error) {

        uint32_t nsid = UINT32_MAX;
        int r;

        assert(bus);
        assert(reply);

        /* Returns our own "nsid", which is another ID for the network namespace, different from the inode
         * number. */

        r = netns_get_nsid(/* netnsfd= */ -EBADF, &nsid);
        if (r < 0 && r != -ENODATA)
                log_warning_errno(r, "Failed to query network nsid, ignoring: %m");

        return sd_bus_message_append(reply, "u", nsid);
}

static const sd_bus_vtable manager_vtable[] = {
        SD_BUS_VTABLE_START(0),

        SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Manager, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Manager, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("IPv4AddressState", "s", property_get_address_state, offsetof(Manager, ipv4_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("IPv6AddressState", "s", property_get_address_state, offsetof(Manager, ipv6_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("OnlineState", "s", property_get_online_state, offsetof(Manager, online_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
        SD_BUS_PROPERTY("NamespaceId", "t", property_get_namespace_id, 0, SD_BUS_VTABLE_PROPERTY_CONST),
        SD_BUS_PROPERTY("NamespaceNSID", "u", property_get_namespace_nsid, 0, 0),

        SD_BUS_METHOD_WITH_ARGS("ListLinks",
                                SD_BUS_NO_ARGS,
                                SD_BUS_RESULT("a(iso)", links),
                                method_list_links,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("GetLinkByName",
                                SD_BUS_ARGS("s", name),
                                SD_BUS_RESULT("i", ifindex, "o", path),
                                method_get_link_by_name,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("GetLinkByIndex",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_RESULT("s", name, "o", path),
                                method_get_link_by_index,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkNTP",
                                SD_BUS_ARGS("i", ifindex, "as", servers),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_ntp_servers,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDNS",
                                SD_BUS_ARGS("i", ifindex, "a(iay)", addresses),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_dns_servers,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDNSEx",
                                SD_BUS_ARGS("i", ifindex, "a(iayqs)", addresses),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_dns_servers_ex,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDomains",
                                SD_BUS_ARGS("i", ifindex, "a(sb)", domains),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_domains,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDefaultRoute",
                                SD_BUS_ARGS("i", ifindex, "b", enable),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_default_route,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkLLMNR",
                                SD_BUS_ARGS("i", ifindex, "s", mode),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_llmnr,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkMulticastDNS",
                                SD_BUS_ARGS("i", ifindex, "s", mode),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_mdns,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDNSOverTLS",
                                SD_BUS_ARGS("i", ifindex, "s", mode),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_dns_over_tls,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSEC",
                                SD_BUS_ARGS("i", ifindex, "s", mode),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_dnssec,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSECNegativeTrustAnchors",
                                SD_BUS_ARGS("i", ifindex, "as", names),
                                SD_BUS_NO_RESULT,
                                bus_method_set_link_dnssec_negative_trust_anchors,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("RevertLinkNTP",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_NO_RESULT,
                                bus_method_revert_link_ntp,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("RevertLinkDNS",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_NO_RESULT,
                                bus_method_revert_link_dns,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("RenewLink",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_NO_RESULT,
                                bus_method_renew_link,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("ForceRenewLink",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_NO_RESULT,
                                bus_method_force_renew_link,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("ReconfigureLink",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_NO_RESULT,
                                bus_method_reconfigure_link,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("Reload",
                                SD_BUS_NO_ARGS,
                                SD_BUS_NO_RESULT,
                                bus_method_reload,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("DescribeLink",
                                SD_BUS_ARGS("i", ifindex),
                                SD_BUS_RESULT("s", json),
                                bus_method_describe_link,
                                SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD_WITH_ARGS("Describe",
                                SD_BUS_NO_ARGS,
                                SD_BUS_RESULT("s", json),
                                bus_method_describe,
                                SD_BUS_VTABLE_UNPRIVILEGED),

        SD_BUS_VTABLE_END
};

int manager_send_changed_strv(Manager *manager, char **properties) {
        assert(manager);
        assert(properties);

        if (sd_bus_is_ready(manager->bus) <= 0)
                return 0;

        return sd_bus_emit_properties_changed_strv(
                        manager->bus,
                        "/org/freedesktop/network1",
                        "org.freedesktop.network1.Manager",
                        properties);
}

const BusObjectImplementation manager_object = {
        "/org/freedesktop/network1",
        "org.freedesktop.network1.Manager",
        .vtables = BUS_VTABLES(manager_vtable),
        .children = BUS_IMPLEMENTATIONS(
                        &link_object, /* This is the main implementation for /org/freedesktop/network1/link,
                                       * and must be earlier than the dhcp objects below. */
                        &dhcp_server_object,
                        &dhcp_client_object,
                        &dhcp6_client_object,
                        &network_object),
};

Coverage Report

Created: 2026-08-08 06:57

Line	Count	Source
1		/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3		#include <sys/stat.h>
4
5		#include "sd-bus.h"
6
7		#include "alloc-util.h"
8		#include "bus-common-errors.h"
9		#include "bus-message-util.h"
10		#include "bus-object.h"
11		#include "bus-polkit.h"
12		#include "hashmap.h"
13		#include "networkd-dhcp-server-bus.h"
14		#include "networkd-dhcp4-bus.h"
15		#include "networkd-dhcp6-bus.h"
16		#include "networkd-json.h"
17		#include "networkd-link.h"
18		#include "networkd-link-bus.h"
19		#include "networkd-manager.h"
20		#include "networkd-manager-bus.h"
21		#include "networkd-network-bus.h"
22		#include "path-util.h"
23
24	0	static int method_list_links(sd_bus_message message, void userdata, sd_bus_error *error) {
25	0	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
26	0	Manager *manager = userdata;
27	0	Link *link;
28	0	int r;
29
30	0	r = sd_bus_message_new_method_return(message, &reply);
31	0	if (r < 0)
32	0	return r;
33
34	0	r = sd_bus_message_open_container(reply, 'a', "(iso)");
35	0	if (r < 0)
36	0	return r;
37
38	0	HASHMAP_FOREACH(link, manager->links_by_index) {
39	0	_cleanup_free_ char *path = NULL;
40
41	0	path = link_bus_path(link);
42	0	if (!path)
43	0	return -ENOMEM;
44
45	0	r = sd_bus_message_append(
46	0	reply, "(iso)",
47	0	link->ifindex,
48	0	link->ifname,
49	0	empty_to_root(path));
50	0	if (r < 0)
51	0	return r;
52	0	}
53
54	0	r = sd_bus_message_close_container(reply);
55	0	if (r < 0)
56	0	return r;
57
58	0	return sd_bus_message_send(reply);
59	0	}
60
61	0	static int method_get_link_by_name(sd_bus_message message, void userdata, sd_bus_error *error) {
62	0	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
63	0	_cleanup_free_ char *path = NULL;
64	0	Manager *manager = userdata;
65	0	const char *name;
66	0	Link *link;
67	0	int r;
68
69	0	r = sd_bus_message_read(message, "s", &name);
70	0	if (r < 0)
71	0	return r;
72
73	0	if (link_get_by_name(manager, name, &link) < 0)
74	0	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);
75
76	0	r = sd_bus_message_new_method_return(message, &reply);
77	0	if (r < 0)
78	0	return r;
79
80	0	path = link_bus_path(link);
81	0	if (!path)
82	0	return -ENOMEM;
83
84	0	r = sd_bus_message_append(reply, "io", link->ifindex, empty_to_root(path));
85	0	if (r < 0)
86	0	return r;
87
88	0	return sd_bus_message_send(reply);
89	0	}
90
91	0	static int method_get_link_by_index(sd_bus_message message, void userdata, sd_bus_error *error) {
92	0	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
93	0	_cleanup_free_ char *path = NULL;
94	0	Manager *manager = userdata;
95	0	int ifindex, r;
96	0	Link *link;
97
98	0	r = bus_message_read_ifindex(message, error, &ifindex);
99	0	if (r < 0)
100	0	return r;
101
102	0	r = link_get_by_index(manager, ifindex, &link);
103	0	if (r < 0)
104	0	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
105
106	0	r = sd_bus_message_new_method_return(message, &reply);
107	0	if (r < 0)
108	0	return r;
109
110	0	path = link_bus_path(link);
111	0	if (!path)
112	0	return -ENOMEM;
113
114	0	r = sd_bus_message_append(reply, "so", link->ifname, empty_to_root(path));
115	0	if (r < 0)
116	0	return r;
117
118	0	return sd_bus_message_send(reply);
119	0	}
120
121	0	static int call_link_method(Manager m, sd_bus_message message, sd_bus_message_handler_t handler, sd_bus_error *error) {
122	0	int ifindex, r;
123	0	Link *l;
124
125	0	assert(m);
126	0	assert(message);
127	0	assert(handler);
128
129	0	r = bus_message_read_ifindex(message, error, &ifindex);
130	0	if (r < 0)
131	0	return r;
132
133	0	r = link_get_by_index(m, ifindex, &l);
134	0	if (r < 0)
135	0	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex);
136
137	0	return handler(message, l, error);
138	0	}
139
140	0	static int bus_method_set_link_ntp_servers(sd_bus_message message, void userdata, sd_bus_error *error) {
141	0	return call_link_method(userdata, message, bus_link_method_set_ntp_servers, error);
142	0	}
143
144	0	static int bus_method_set_link_dns_servers(sd_bus_message message, void userdata, sd_bus_error *error) {
145	0	return call_link_method(userdata, message, bus_link_method_set_dns_servers, error);
146	0	}
147
148	0	static int bus_method_set_link_dns_servers_ex(sd_bus_message message, void userdata, sd_bus_error *error) {
149	0	return call_link_method(userdata, message, bus_link_method_set_dns_servers_ex, error);
150	0	}
151
152	0	static int bus_method_set_link_domains(sd_bus_message message, void userdata, sd_bus_error *error) {
153	0	return call_link_method(userdata, message, bus_link_method_set_domains, error);
154	0	}
155
156	0	static int bus_method_set_link_default_route(sd_bus_message message, void userdata, sd_bus_error *error) {
157	0	return call_link_method(userdata, message, bus_link_method_set_default_route, error);
158	0	}
159
160	0	static int bus_method_set_link_llmnr(sd_bus_message message, void userdata, sd_bus_error *error) {
161	0	return call_link_method(userdata, message, bus_link_method_set_llmnr, error);
162	0	}
163
164	0	static int bus_method_set_link_mdns(sd_bus_message message, void userdata, sd_bus_error *error) {
165	0	return call_link_method(userdata, message, bus_link_method_set_mdns, error);
166	0	}
167
168	0	static int bus_method_set_link_dns_over_tls(sd_bus_message message, void userdata, sd_bus_error *error) {
169	0	return call_link_method(userdata, message, bus_link_method_set_dns_over_tls, error);
170	0	}
171
172	0	static int bus_method_set_link_dnssec(sd_bus_message message, void userdata, sd_bus_error *error) {
173	0	return call_link_method(userdata, message, bus_link_method_set_dnssec, error);
174	0	}
175
176	0	static int bus_method_set_link_dnssec_negative_trust_anchors(sd_bus_message message, void userdata, sd_bus_error *error) {
177	0	return call_link_method(userdata, message, bus_link_method_set_dnssec_negative_trust_anchors, error);
178	0	}
179
180	0	static int bus_method_revert_link_ntp(sd_bus_message message, void userdata, sd_bus_error *error) {
181	0	return call_link_method(userdata, message, bus_link_method_revert_ntp, error);
182	0	}
183
184	0	static int bus_method_revert_link_dns(sd_bus_message message, void userdata, sd_bus_error *error) {
185	0	return call_link_method(userdata, message, bus_link_method_revert_dns, error);
186	0	}
187
188	0	static int bus_method_renew_link(sd_bus_message message, void userdata, sd_bus_error *error) {
189	0	return call_link_method(userdata, message, bus_link_method_renew, error);
190	0	}
191
192	0	static int bus_method_force_renew_link(sd_bus_message message, void userdata, sd_bus_error *error) {
193	0	return call_link_method(userdata, message, bus_link_method_force_renew, error);
194	0	}
195
196	0	static int bus_method_reconfigure_link(sd_bus_message message, void userdata, sd_bus_error *error) {
197	0	return call_link_method(userdata, message, bus_link_method_reconfigure, error);
198	0	}
199
200	0	static int bus_method_reload(sd_bus_message message, void userdata, sd_bus_error *error) {
201	0	Manager *manager = ASSERT_PTR(userdata);
202	0	int r;
203
204	0	if (manager->reloading > 0)
205	0	return sd_bus_error_set(error, BUS_ERROR_NETWORK_ALREADY_RELOADING, "Already reloading.");
206
207	0	r = bus_verify_polkit_async(
208	0	message,
209	0	"org.freedesktop.network1.reload",
210	0	/* details= */ NULL,
211	0	&manager->polkit_registry,
212	0	error);
213	0	if (r < 0)
214	0	return r;
215	0	if (r == 0)
216	0	return 1; /* Polkit will call us back */
217
218	0	r = manager_reload(manager, message, /* varlink= / NULL, / reconfigure_links= */ true);
219	0	if (r < 0)
220	0	return r;
221
222	0	if (manager->reloading > 0)
223	0	return 1; /* Will reply later. */
224
225	0	return sd_bus_reply_method_return(message, NULL);
226	0	}
227
228	0	static int bus_method_describe_link(sd_bus_message message, void userdata, sd_bus_error *error) {
229	0	return call_link_method(userdata, message, bus_link_method_describe, error);
230	0	}
231
232	0	static int bus_method_describe(sd_bus_message message, void userdata, sd_bus_error *error) {
233	0	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
234	0	_cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
235	0	_cleanup_free_ char *text = NULL;
236	0	Manager *manager = ASSERT_PTR(userdata);
237	0	int r;
238
239	0	assert(message);
240
241	0	r = manager_build_json(manager, &v);
242	0	if (r < 0)
243	0	return log_error_errno(r, "Failed to build JSON data: %m");
244
245	0	r = sd_json_variant_format(v, 0, &text);
246	0	if (r < 0)
247	0	return log_error_errno(r, "Failed to format JSON data: %m");
248
249	0	r = sd_bus_message_new_method_return(message, &reply);
250	0	if (r < 0)
251	0	return r;
252
253	0	r = sd_bus_message_append(reply, "s", text);
254	0	if (r < 0)
255	0	return r;
256
257	0	return sd_bus_message_send(reply);
258	0	}
259
260		static int property_get_namespace_id(
261		sd_bus *bus,
262		const char *path,
263		const char *interface,
264		const char *property,
265		sd_bus_message *reply,
266		void *userdata,
267	0	sd_bus_error *error) {
268
269	0	uint64_t id = 0;
270	0	struct stat st;
271
272	0	assert(bus);
273	0	assert(reply);
274
275		/* Returns our own network namespace ID, i.e. the inode number of /proc/self/ns/net. This allows
276		* unprivileged clients to determine whether they are in the same network namespace as us (note that
277		* access to that path is restricted, thus they can't check directly unless privileged). */
278
279	0	if (stat("/proc/self/ns/net", &st) < 0) {
280	0	log_warning_errno(errno, "Failed to stat network namespace, ignoring: %m");
281	0	id = 0;
282	0	} else
283	0	id = st.st_ino;
284
285	0	return sd_bus_message_append(reply, "t", id);
286	0	}
287
288		static int property_get_namespace_nsid(
289		sd_bus *bus,
290		const char *path,
291		const char *interface,
292		const char *property,
293		sd_bus_message *reply,
294		void *userdata,
295	0	sd_bus_error *error) {
296
297	0	uint32_t nsid = UINT32_MAX;
298	0	int r;
299
300	0	assert(bus);
301	0	assert(reply);
302
303		/* Returns our own "nsid", which is another ID for the network namespace, different from the inode
304		* number. */
305
306	0	r = netns_get_nsid(/* netnsfd= */ -EBADF, &nsid);
307	0	if (r < 0 && r != -ENODATA)
308	0	log_warning_errno(r, "Failed to query network nsid, ignoring: %m");
309
310	0	return sd_bus_message_append(reply, "u", nsid);
311	0	}
312
313		static const sd_bus_vtable manager_vtable[] = {
314		SD_BUS_VTABLE_START(0),
315
316		SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
317		SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Manager, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
318		SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Manager, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
319		SD_BUS_PROPERTY("IPv4AddressState", "s", property_get_address_state, offsetof(Manager, ipv4_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
320		SD_BUS_PROPERTY("IPv6AddressState", "s", property_get_address_state, offsetof(Manager, ipv6_address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
321		SD_BUS_PROPERTY("OnlineState", "s", property_get_online_state, offsetof(Manager, online_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
322		SD_BUS_PROPERTY("NamespaceId", "t", property_get_namespace_id, 0, SD_BUS_VTABLE_PROPERTY_CONST),
323		SD_BUS_PROPERTY("NamespaceNSID", "u", property_get_namespace_nsid, 0, 0),
324
325		SD_BUS_METHOD_WITH_ARGS("ListLinks",
326		SD_BUS_NO_ARGS,
327		SD_BUS_RESULT("a(iso)", links),
328		method_list_links,
329		SD_BUS_VTABLE_UNPRIVILEGED),
330		SD_BUS_METHOD_WITH_ARGS("GetLinkByName",
331		SD_BUS_ARGS("s", name),
332		SD_BUS_RESULT("i", ifindex, "o", path),
333		method_get_link_by_name,
334		SD_BUS_VTABLE_UNPRIVILEGED),
335		SD_BUS_METHOD_WITH_ARGS("GetLinkByIndex",
336		SD_BUS_ARGS("i", ifindex),
337		SD_BUS_RESULT("s", name, "o", path),
338		method_get_link_by_index,
339		SD_BUS_VTABLE_UNPRIVILEGED),
340		SD_BUS_METHOD_WITH_ARGS("SetLinkNTP",
341		SD_BUS_ARGS("i", ifindex, "as", servers),
342		SD_BUS_NO_RESULT,
343		bus_method_set_link_ntp_servers,
344		SD_BUS_VTABLE_UNPRIVILEGED),
345		SD_BUS_METHOD_WITH_ARGS("SetLinkDNS",
346		SD_BUS_ARGS("i", ifindex, "a(iay)", addresses),
347		SD_BUS_NO_RESULT,
348		bus_method_set_link_dns_servers,
349		SD_BUS_VTABLE_UNPRIVILEGED),
350		SD_BUS_METHOD_WITH_ARGS("SetLinkDNSEx",
351		SD_BUS_ARGS("i", ifindex, "a(iayqs)", addresses),
352		SD_BUS_NO_RESULT,
353		bus_method_set_link_dns_servers_ex,
354		SD_BUS_VTABLE_UNPRIVILEGED),
355		SD_BUS_METHOD_WITH_ARGS("SetLinkDomains",
356		SD_BUS_ARGS("i", ifindex, "a(sb)", domains),
357		SD_BUS_NO_RESULT,
358		bus_method_set_link_domains,
359		SD_BUS_VTABLE_UNPRIVILEGED),
360		SD_BUS_METHOD_WITH_ARGS("SetLinkDefaultRoute",
361		SD_BUS_ARGS("i", ifindex, "b", enable),
362		SD_BUS_NO_RESULT,
363		bus_method_set_link_default_route,
364		SD_BUS_VTABLE_UNPRIVILEGED),
365		SD_BUS_METHOD_WITH_ARGS("SetLinkLLMNR",
366		SD_BUS_ARGS("i", ifindex, "s", mode),
367		SD_BUS_NO_RESULT,
368		bus_method_set_link_llmnr,
369		SD_BUS_VTABLE_UNPRIVILEGED),
370		SD_BUS_METHOD_WITH_ARGS("SetLinkMulticastDNS",
371		SD_BUS_ARGS("i", ifindex, "s", mode),
372		SD_BUS_NO_RESULT,
373		bus_method_set_link_mdns,
374		SD_BUS_VTABLE_UNPRIVILEGED),
375		SD_BUS_METHOD_WITH_ARGS("SetLinkDNSOverTLS",
376		SD_BUS_ARGS("i", ifindex, "s", mode),
377		SD_BUS_NO_RESULT,
378		bus_method_set_link_dns_over_tls,
379		SD_BUS_VTABLE_UNPRIVILEGED),
380		SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSEC",
381		SD_BUS_ARGS("i", ifindex, "s", mode),
382		SD_BUS_NO_RESULT,
383		bus_method_set_link_dnssec,
384		SD_BUS_VTABLE_UNPRIVILEGED),
385		SD_BUS_METHOD_WITH_ARGS("SetLinkDNSSECNegativeTrustAnchors",
386		SD_BUS_ARGS("i", ifindex, "as", names),
387		SD_BUS_NO_RESULT,
388		bus_method_set_link_dnssec_negative_trust_anchors,
389		SD_BUS_VTABLE_UNPRIVILEGED),
390		SD_BUS_METHOD_WITH_ARGS("RevertLinkNTP",
391		SD_BUS_ARGS("i", ifindex),
392		SD_BUS_NO_RESULT,
393		bus_method_revert_link_ntp,
394		SD_BUS_VTABLE_UNPRIVILEGED),
395		SD_BUS_METHOD_WITH_ARGS("RevertLinkDNS",
396		SD_BUS_ARGS("i", ifindex),
397		SD_BUS_NO_RESULT,
398		bus_method_revert_link_dns,
399		SD_BUS_VTABLE_UNPRIVILEGED),
400		SD_BUS_METHOD_WITH_ARGS("RenewLink",
401		SD_BUS_ARGS("i", ifindex),
402		SD_BUS_NO_RESULT,
403		bus_method_renew_link,
404		SD_BUS_VTABLE_UNPRIVILEGED),
405		SD_BUS_METHOD_WITH_ARGS("ForceRenewLink",
406		SD_BUS_ARGS("i", ifindex),
407		SD_BUS_NO_RESULT,
408		bus_method_force_renew_link,
409		SD_BUS_VTABLE_UNPRIVILEGED),
410		SD_BUS_METHOD_WITH_ARGS("ReconfigureLink",
411		SD_BUS_ARGS("i", ifindex),
412		SD_BUS_NO_RESULT,
413		bus_method_reconfigure_link,
414		SD_BUS_VTABLE_UNPRIVILEGED),
415		SD_BUS_METHOD_WITH_ARGS("Reload",
416		SD_BUS_NO_ARGS,
417		SD_BUS_NO_RESULT,
418		bus_method_reload,
419		SD_BUS_VTABLE_UNPRIVILEGED),
420		SD_BUS_METHOD_WITH_ARGS("DescribeLink",
421		SD_BUS_ARGS("i", ifindex),
422		SD_BUS_RESULT("s", json),
423		bus_method_describe_link,
424		SD_BUS_VTABLE_UNPRIVILEGED),
425		SD_BUS_METHOD_WITH_ARGS("Describe",
426		SD_BUS_NO_ARGS,
427		SD_BUS_RESULT("s", json),
428		bus_method_describe,
429		SD_BUS_VTABLE_UNPRIVILEGED),
430
431		SD_BUS_VTABLE_END
432		};
433
434	0	int manager_send_changed_strv(Manager manager, char *properties) {
435	0	assert(manager);
436	0	assert(properties);
437
438	0	if (sd_bus_is_ready(manager->bus) <= 0)
439	0	return 0;
440
441	0	return sd_bus_emit_properties_changed_strv(
442	0	manager->bus,
443	0	"/org/freedesktop/network1",
444	0	"org.freedesktop.network1.Manager",
445	0	properties);
446	0	}
447
448		const BusObjectImplementation manager_object = {
449		"/org/freedesktop/network1",
450		"org.freedesktop.network1.Manager",
451		.vtables = BUS_VTABLES(manager_vtable),
452		.children = BUS_IMPLEMENTATIONS(
453		&link_object, /* This is the main implementation for /org/freedesktop/network1/link,
454		* and must be earlier than the dhcp objects below. */
455		&dhcp_server_object,
456		&dhcp_client_object,
457		&dhcp6_client_object,
458		&network_object),
459		};