| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <net/if.h> |
| #include <netinet/in.h> |
| #include <sys/capability.h> |
| |
| #include "alloc-util.h" |
| #include "bus-common-errors.h" |
| #include "bus-polkit.h" |
| #include "networkd-link-bus.h" |
| #include "networkd-link.h" |
| #include "networkd-manager-bus.h" |
| #include "networkd-manager.h" |
| #include "path-util.h" |
| #include "socket-netlink.h" |
| #include "strv.h" |
| #include "user-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; |
| 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 = resolve_ifname(&manager->rtnl, name); |
| if (index < 0) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %s cannot be resolved", 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); |
| } |
| |
| 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); |
| |
| assert_cc(sizeof(int) == sizeof(int32_t)); |
| r = sd_bus_message_read(message, "i", &ifindex); |
| if (r < 0) |
| return r; |
| |
| if (ifindex <= 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index"); |
| |
| l = hashmap_get(m->links, INT_TO_PTR(ifindex)); |
| if (!l) |
| 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_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_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 = userdata; |
| Iterator i; |
| Link *link; |
| int r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.reload", |
| NULL, true, UID_INVALID, |
| &manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| r = netdev_load(manager, true); |
| if (r < 0) |
| return r; |
| |
| r = network_reload(manager); |
| if (r < 0) |
| return r; |
| |
| HASHMAP_FOREACH(link, manager->links, i) { |
| r = link_reconfigure(link, false); |
| if (r < 0) |
| return r; |
| } |
| |
| return sd_bus_reply_method_return(message, 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_METHOD("SetLinkNTP", "ias", NULL, bus_method_set_link_ntp_servers, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDNS", "ia(iay)", NULL, bus_method_set_link_dns_servers, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDomains", "ia(sb)", NULL, bus_method_set_link_domains, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDefaultRoute", "ib", NULL, bus_method_set_link_default_route, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkLLMNR", "is", NULL, bus_method_set_link_llmnr, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkMulticastDNS", "is", NULL, bus_method_set_link_mdns, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDNSOverTLS", "is", NULL, bus_method_set_link_dns_over_tls, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDNSSEC", "is", NULL, bus_method_set_link_dnssec, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLinkDNSSECNegativeTrustAnchors", "ias", NULL, bus_method_set_link_dnssec_negative_trust_anchors, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("RevertLinkNTP", "i", NULL, bus_method_revert_link_ntp, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("RevertLinkDNS", "i", NULL, bus_method_revert_link_dns, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("RenewLink", "i", NULL, bus_method_renew_link, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("ReconfigureLink", "i", NULL, bus_method_reconfigure_link, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("Reload", NULL, NULL, bus_method_reload, 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); |
| } |