projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| 38ee31a6 MAL |
2 | |
| 3 | #include "sd-dhcp-server.h" | |
| 4 | ||
| 5 | #include "alloc-util.h" | |
| 6 | #include "bus-common-errors.h" | |
| 7 | #include "bus-util.h" | |
| 8 | #include "dhcp-server-internal.h" | |
| 9 | #include "networkd-dhcp-server-bus.h" | |
| 10 | #include "networkd-link-bus.h" | |
| 11 | #include "networkd-manager.h" | |
| 12 | #include "strv.h" | |
| 13 | ||
| 14 | static int property_get_leases( | |
| 15 | sd_bus *bus, | |
| 16 | const char *path, | |
| 17 | const char *interface, | |
| 18 | const char *property, | |
| 19 | sd_bus_message *reply, | |
| 20 | void *userdata, | |
| 21 | sd_bus_error *error) { | |
| 22 | Link *l = userdata; | |
| 23 | sd_dhcp_server *s; | |
| 24 | DHCPLease *lease; | |
| 38ee31a6 MAL |
25 | int r; |
| 26 | ||
| 27 | assert(reply); | |
| 28 | assert(l); | |
| 29 | ||
| 30 | s = l->dhcp_server; | |
| 31 | if (!s) | |
| 32 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Link %s has no DHCP server.", l->ifname); | |
| 33 | ||
| c95df587 YA |
34 | if (sd_dhcp_server_is_in_relay_mode(s)) |
| 35 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Link %s has DHCP relay agent active.", l->ifname); | |
| 36 | ||
| 38ee31a6 MAL |
37 | r = sd_bus_message_open_container(reply, 'a', "(uayayayayt)"); |
| 38 | if (r < 0) | |
| 39 | return r; | |
| 40 | ||
| 90e74a66 | 41 | HASHMAP_FOREACH(lease, s->leases_by_client_id) { |
| 38ee31a6 MAL |
42 | r = sd_bus_message_open_container(reply, 'r', "uayayayayt"); |
| 43 | if (r < 0) | |
| 44 | return r; | |
| 45 | ||
| 46 | r = sd_bus_message_append(reply, "u", (uint32_t)AF_INET); | |
| 47 | if (r < 0) | |
| 48 | return r; | |
| 49 | ||
| 50 | r = sd_bus_message_append_array(reply, 'y', lease->client_id.data, lease->client_id.length); | |
| 51 | if (r < 0) | |
| 52 | return r; | |
| 53 | ||
| 54 | r = sd_bus_message_append_array(reply, 'y', &lease->address, sizeof(lease->address)); | |
| 55 | if (r < 0) | |
| 56 | return r; | |
| 57 | ||
| 58 | r = sd_bus_message_append_array(reply, 'y', &lease->gateway, sizeof(lease->gateway)); | |
| 59 | if (r < 0) | |
| 60 | return r; | |
| 61 | ||
| 62 | r = sd_bus_message_append_array(reply, 'y', &lease->chaddr, sizeof(lease->chaddr)); | |
| 63 | if (r < 0) | |
| 64 | return r; | |
| 65 | ||
| 66 | r = sd_bus_message_append_basic(reply, 't', &lease->expiration); | |
| 67 | if (r < 0) | |
| 68 | return r; | |
| 69 | ||
| 70 | r = sd_bus_message_close_container(reply); | |
| 71 | if (r < 0) | |
| 72 | return r; | |
| 73 | } | |
| 74 | ||
| 75 | return sd_bus_message_close_container(reply); | |
| 76 | } | |
| 77 | ||
| 78 | static int dhcp_server_emit_changed(Link *link, const char *property, ...) { | |
| 79 | _cleanup_free_ char *path = NULL; | |
| 80 | char **l; | |
| 81 | ||
| 82 | assert(link); | |
| 83 | ||
| 706875f1 YW |
84 | if (sd_bus_is_ready(link->manager->bus) <= 0) |
| 85 | return 0; | |
| 86 | ||
| 38ee31a6 MAL |
87 | path = link_bus_path(link); |
| 88 | if (!path) | |
| 89 | return log_oom(); | |
| 90 | ||
| 91 | l = strv_from_stdarg_alloca(property); | |
| 92 | ||
| 93 | return sd_bus_emit_properties_changed_strv( | |
| 94 | link->manager->bus, | |
| 95 | path, | |
| 96 | "org.freedesktop.network1.DHCPServer", | |
| 97 | l); | |
| 98 | } | |
| 99 | ||
| 100 | void dhcp_server_callback(sd_dhcp_server *s, uint64_t event, void *data) { | |
| 101 | Link *l = data; | |
| 102 | ||
| 103 | assert(l); | |
| 104 | ||
| 105 | if (event & SD_DHCP_SERVER_EVENT_LEASE_CHANGED) | |
| 106 | (void) dhcp_server_emit_changed(l, "Leases", NULL); | |
| 107 | } | |
| 108 | ||
| 109 | ||
| 110 | const sd_bus_vtable dhcp_server_vtable[] = { | |
| 111 | SD_BUS_VTABLE_START(0), | |
| 112 | ||
| 113 | SD_BUS_PROPERTY("Leases", "a(uayayayayt)", property_get_leases, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
| 114 | ||
| 115 | SD_BUS_VTABLE_END | |
| 116 | }; |