[thirdparty/systemd.git] / src / network / networkd-manager-bus.c

/* SPDX-License-Identifier: LGPL-2.1+ */

#include <net/if.h>

#include "alloc-util.h"
#include "bus-common-errors.h"
#include "bus-util.h"
#include "networkd-link-bus.h"
#include "networkd-link.h"
#include "networkd-manager-bus.h"
#include "networkd-manager.h"
#include "path-util.h"
#include "strv.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;
        Iterator i;
        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, i) {
                _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_send(NULL, reply, NULL);
}

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;
        int index, r;
        Link *link;

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

        index = if_nametoindex(name);
        if (index <= 0)
                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);

        link = hashmap_get(manager->links, INT_TO_PTR(index));
        if (!link)
                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_send(NULL, reply, NULL);
}

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;
        int32_t index;
        Link *link;
        int r;

        r = sd_bus_message_read(message, "i", &index);
        if (r < 0)
                return r;

        link = hashmap_get(manager->links, INT_TO_PTR((int) index));
        if (!link)
                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %" PRIi32 " not known", index);

        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_send(NULL, reply, NULL);
}

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_METHOD("ListLinks", NULL, "a(iso)", method_list_links, SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD("GetLinkByName", "s", "io", method_get_link_by_name, SD_BUS_VTABLE_UNPRIVILEGED),
        SD_BUS_METHOD("GetLinkByIndex", "i", "so", method_get_link_by_index, SD_BUS_VTABLE_UNPRIVILEGED),

        SD_BUS_VTABLE_END
};

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

        if (!manager->bus)
                return 0;

        return sd_bus_emit_properties_changed_strv(
                        manager->bus,
                        "/org/freedesktop/network1",
                        "org.freedesktop.network1.Manager",
                        properties);
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
e331e246	2
071712b2 YW	3	#include <net/if.h>
071712b2 YW	4
b5efdb8a	5	#include "alloc-util.h"
071712b2	6	#include "bus-common-errors.h"
e331e246	7	#include "bus-util.h"
7f3c07ad	8	#include "networkd-link-bus.h"
37d577c8	9	#include "networkd-link.h"
79a59fa5	10	#include "networkd-manager-bus.h"
23f53b99	11	#include "networkd-manager.h"
37d577c8	12	#include "path-util.h"
51517f9e	13	#include "strv.h"
e331e246	14
37d577c8 YW	15	static int method_list_links(sd_bus_message message, void userdata, sd_bus_error *error) {
	16	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
	17	Manager *manager = userdata;
	18	Iterator i;
	19	Link *link;
	20	int r;
	21
	22	r = sd_bus_message_new_method_return(message, &reply);
	23	if (r < 0)
	24	return r;
	25
	26	r = sd_bus_message_open_container(reply, 'a', "(iso)");
	27	if (r < 0)
	28	return r;
	29
	30	HASHMAP_FOREACH(link, manager->links, i) {
	31	_cleanup_free_ char *path = NULL;
	32
	33	path = link_bus_path(link);
	34	if (!path)
	35	return -ENOMEM;
	36
	37	r = sd_bus_message_append(
	38	reply, "(iso)",
	39	link->ifindex,
	40	link->ifname,
	41	empty_to_root(path));
	42	if (r < 0)
	43	return r;
	44	}
	45
	46	r = sd_bus_message_close_container(reply);
	47	if (r < 0)
	48	return r;
	49
	50	return sd_bus_send(NULL, reply, NULL);
	51	}
	52
071712b2 YW	53	static int method_get_link_by_name(sd_bus_message message, void userdata, sd_bus_error *error) {
	54	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
	55	_cleanup_free_ char *path = NULL;
	56	Manager *manager = userdata;
	57	const char *name;
	58	int index, r;
	59	Link *link;
	60
	61	r = sd_bus_message_read(message, "s", &name);
	62	if (r < 0)
	63	return r;
	64
	65	index = if_nametoindex(name);
	66	if (index <= 0)
	67	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);
	68
	69	link = hashmap_get(manager->links, INT_TO_PTR(index));
	70	if (!link)
	71	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s not known", name);
	72
	73	r = sd_bus_message_new_method_return(message, &reply);
	74	if (r < 0)
	75	return r;
	76
	77	path = link_bus_path(link);
	78	if (!path)
	79	return -ENOMEM;
	80
	81	r = sd_bus_message_append(reply, "io", link->ifindex, empty_to_root(path));
	82	if (r < 0)
	83	return r;
	84
	85	return sd_bus_send(NULL, reply, NULL);
	86	}
	87
	88	static int method_get_link_by_index(sd_bus_message message, void userdata, sd_bus_error *error) {
	89	_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
	90	_cleanup_free_ char *path = NULL;
	91	Manager *manager = userdata;
	92	int32_t index;
	93	Link *link;
	94	int r;
	95
	96	r = sd_bus_message_read(message, "i", &index);
	97	if (r < 0)
	98	return r;
	99
	100	link = hashmap_get(manager->links, INT_TO_PTR((int) index));
	101	if (!link)
	102	return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %" PRIi32 " not known", index);
	103
	104	r = sd_bus_message_new_method_return(message, &reply);
	105	if (r < 0)
	106	return r;
	107
	108	path = link_bus_path(link);
	109	if (!path)
	110	return -ENOMEM;
	111
	112	r = sd_bus_message_append(reply, "so", link->ifname, empty_to_root(path));
	113	if (r < 0)
	114	return r;
	115
	116	return sd_bus_send(NULL, reply, NULL);
117	}
118
e331e246 TG	119	const sd_bus_vtable manager_vtable[] = {
	120	SD_BUS_VTABLE_START(0),
	121
	122	SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
7f3c07ad YW	123	SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Manager, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
7f3c07ad YW	124	SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Manager, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
e331e246	125
37d577c8	126	SD_BUS_METHOD("ListLinks", NULL, "a(iso)", method_list_links, SD_BUS_VTABLE_UNPRIVILEGED),
071712b2 YW	127	SD_BUS_METHOD("GetLinkByName", "s", "io", method_get_link_by_name, SD_BUS_VTABLE_UNPRIVILEGED),
071712b2 YW	128	SD_BUS_METHOD("GetLinkByIndex", "i", "so", method_get_link_by_index, SD_BUS_VTABLE_UNPRIVILEGED),
37d577c8	129
e331e246 TG	130	SD_BUS_VTABLE_END
	131	};
	132
46606fdd	133	int manager_send_changed_strv(Manager manager, char *properties) {
e331e246	134	assert(manager);
46606fdd	135	assert(properties);
e331e246	136
4852e159	137	if (!manager->bus)
46606fdd	138	return 0;
e331e246 TG	139
	140	return sd_bus_emit_properties_changed_strv(
	141	manager->bus,
	142	"/org/freedesktop/network1",
	143	"org.freedesktop.network1.Manager",
46606fdd YW	144	properties);
46606fdd YW	145	}