diff --git a/src/network/meson.build b/src/network/meson.build index a983dff48bb..275542daa27 100644 --- a/src/network/meson.build +++ b/src/network/meson.build @@ -116,7 +116,18 @@ systemd_networkd_wait_online_sources = files( networkctl_sources = files( 'networkctl.c', - 'networkctl-config-file.c' + 'networkctl-address-label.c', + 'networkctl-config-file.c', + 'networkctl-description.c', + 'networkctl-dump-util.c', + 'networkctl-journal.c', + 'networkctl-link-info.c', + 'networkctl-list.c', + 'networkctl-lldp.c', + 'networkctl-misc.c', + 'networkctl-status-link.c', + 'networkctl-status-system.c', + 'networkctl-util.c', ) network_generator_sources = files( diff --git a/src/network/networkctl-address-label.c b/src/network/networkctl-address-label.c new file mode 100644 index 00000000000..cb7d3d7c272 --- /dev/null +++ b/src/network/networkctl-address-label.c @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "sd-netlink.h" + +#include "format-table.h" +#include "in-addr-util.h" +#include "networkctl.h" +#include "networkctl-address-label.h" + +static int dump_address_labels(sd_netlink *rtnl) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_(table_unrefp) Table *table = NULL; + TableCell *cell; + int r; + + assert(rtnl); + + r = sd_rtnl_message_new_addrlabel(rtnl, &req, RTM_GETADDRLABEL, 0, AF_INET6); + if (r < 0) + return log_error_errno(r, "Could not allocate RTM_GETADDRLABEL message: %m"); + + r = sd_netlink_message_set_request_dump(req, true); + if (r < 0) + return r; + + r = sd_netlink_call(rtnl, req, 0, &reply); + if (r < 0) + return r; + + table = table_new("label", "prefix/prefixlen"); + if (!table) + return log_oom(); + + if (arg_full) + table_set_width(table, 0); + + r = table_set_sort(table, (size_t) 0); + if (r < 0) + return r; + + assert_se(cell = table_get_cell(table, 0, 0)); + (void) table_set_align_percent(table, cell, 100); + (void) table_set_ellipsize_percent(table, cell, 100); + + assert_se(cell = table_get_cell(table, 0, 1)); + (void) table_set_align_percent(table, cell, 100); + + for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) { + struct in6_addr prefix; + uint8_t prefixlen; + uint32_t label; + + r = sd_netlink_message_get_errno(m); + if (r < 0) { + log_error_errno(r, "Failed to get netlink message, ignoring: %m"); + continue; + } + + r = sd_netlink_message_read_u32(m, IFAL_LABEL, &label); + if (r < 0 && r != -ENODATA) { + log_error_errno(r, "Could not read IFAL_LABEL, ignoring: %m"); + continue; + } + + r = sd_netlink_message_read_in6_addr(m, IFAL_ADDRESS, &prefix); + if (r < 0) + continue; + + r = sd_rtnl_message_addrlabel_get_prefixlen(m, &prefixlen); + if (r < 0) + continue; + + r = table_add_cell(table, NULL, TABLE_UINT32, &label); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s/%u", IN6_ADDR_TO_STRING(&prefix), prefixlen); + if (r < 0) + return table_log_add_error(r); + } + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return 0; +} + +int list_address_labels(int argc, char *argv[], void *userdata) { + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + int r; + + r = sd_netlink_open(&rtnl); + if (r < 0) + return log_error_errno(r, "Failed to connect to netlink: %m"); + + return dump_address_labels(rtnl); +} diff --git a/src/network/networkctl-address-label.h b/src/network/networkctl-address-label.h new file mode 100644 index 00000000000..eb3c722744f --- /dev/null +++ b/src/network/networkctl-address-label.h @@ -0,0 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int list_address_labels(int argc, char *argv[], void *userdata); diff --git a/src/network/networkctl-config-file.c b/src/network/networkctl-config-file.c index 1aa03619b72..1bfc185f7cc 100644 --- a/src/network/networkctl-config-file.c +++ b/src/network/networkctl-config-file.c @@ -17,6 +17,7 @@ #include "netlink-util.h" #include "networkctl.h" #include "networkctl-config-file.h" +#include "networkctl-util.h" #include "pager.h" #include "path-lookup.h" #include "path-util.h" diff --git a/src/network/networkctl-description.c b/src/network/networkctl-description.c new file mode 100644 index 00000000000..14ce55bfae5 --- /dev/null +++ b/src/network/networkctl-description.c @@ -0,0 +1,140 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "alloc-util.h" +#include "bus-error.h" +#include "bus-locator.h" +#include "bus-util.h" +#include "glob-util.h" +#include "json-util.h" +#include "networkctl.h" +#include "networkctl-description.h" +#include "networkctl-util.h" +#include "stdio-util.h" +#include "strv.h" + +static int get_description(sd_bus *bus, sd_json_variant **ret) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + const char *text; + int r; + + assert(bus); + assert(ret); + + r = bus_call_method(bus, bus_network_mgr, "Describe", &error, &reply, NULL); + if (r < 0) + return log_error_errno(r, "Failed to get description: %s", bus_error_message(&error, r)); + + r = sd_bus_message_read(reply, "s", &text); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_json_parse(text, 0, ret, NULL, NULL); + if (r < 0) + return log_error_errno(r, "Failed to parse JSON: %m"); + + return 0; +} + +static int dump_manager_description(sd_bus *bus) { + _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL; + int r; + + assert(bus); + + r = get_description(bus, &v); + if (r < 0) + return r; + + sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL); + return 0; +} + +static int dump_link_description(sd_bus *bus, char * const *patterns) { + _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL; + _cleanup_free_ bool *matched_patterns = NULL; + sd_json_variant *i; + size_t c = 0; + int r; + + assert(bus); + assert(patterns); + + r = get_description(bus, &v); + if (r < 0) + return r; + + matched_patterns = new0(bool, strv_length(patterns)); + if (!matched_patterns) + return log_oom(); + + JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(v, "Interfaces")) { + char ifindex_str[DECIMAL_STR_MAX(int64_t)]; + const char *name; + int64_t index; + size_t pos; + + name = sd_json_variant_string(sd_json_variant_by_key(i, "Name")); + index = sd_json_variant_integer(sd_json_variant_by_key(i, "Index")); + xsprintf(ifindex_str, "%" PRIi64, index); + + if (!strv_fnmatch_full(patterns, ifindex_str, 0, &pos) && + !strv_fnmatch_full(patterns, name, 0, &pos)) { + bool match = false; + sd_json_variant *a; + + JSON_VARIANT_ARRAY_FOREACH(a, sd_json_variant_by_key(i, "AlternativeNames")) + if (strv_fnmatch_full(patterns, sd_json_variant_string(a), 0, &pos)) { + match = true; + break; + } + + if (!match) + continue; + } + + matched_patterns[pos] = true; + sd_json_variant_dump(i, arg_json_format_flags, NULL, NULL); + c++; + } + + /* Look if we matched all our arguments that are not globs. It is OK for a glob to match + * nothing, but not for an exact argument. */ + for (size_t pos = 0; pos < strv_length(patterns); pos++) { + if (matched_patterns[pos]) + continue; + + if (string_is_glob(patterns[pos])) + log_debug("Pattern \"%s\" doesn't match any interface, ignoring.", + patterns[pos]); + else + return log_error_errno(SYNTHETIC_ERRNO(ENODEV), + "Interface \"%s\" not found.", patterns[pos]); + } + + if (c == 0) + log_warning("No interfaces matched."); + + return 0; +} + +int dump_description(int argc, char *argv[]) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + int r; + + if (arg_json_format_flags == SD_JSON_FORMAT_OFF) + return 0; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + if (arg_all || argc <= 1) + r = dump_manager_description(bus); + else + r = dump_link_description(bus, strv_skip(argv, 1)); + if (r < 0) + return r; + + return 1; /* done */ +} diff --git a/src/network/networkctl-description.h b/src/network/networkctl-description.h new file mode 100644 index 00000000000..6f124896fa2 --- /dev/null +++ b/src/network/networkctl-description.h @@ -0,0 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int dump_description(int argc, char *argv[]); diff --git a/src/network/networkctl-dump-util.c b/src/network/networkctl-dump-util.c new file mode 100644 index 00000000000..d8022eb3f04 --- /dev/null +++ b/src/network/networkctl-dump-util.c @@ -0,0 +1,242 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "format-util.h" +#include "in-addr-util.h" +#include "local-addresses.h" +#include "networkctl-dump-util.h" +#include "stdio-util.h" +#include "strv.h" + +int dump_list(Table *table, const char *key, char * const *l) { + int r; + + assert(table); + assert(key); + + if (strv_isempty(l)) + return 0; + + r = table_add_many(table, + TABLE_FIELD, key, + TABLE_STRV, l); + if (r < 0) + return table_log_add_error(r); + + return 0; +} + +/* IEEE Organizationally Unique Identifier vendor string */ +int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret) { + _cleanup_free_ char *desc = NULL; + const char *description; + char modalias[STRLEN("OUI:XXYYXXYYXXYY") + 1]; + int r; + + assert(ret); + + if (!hwdb || !mac) + return -EINVAL; + + /* skip commonly misused 00:00:00 (Xerox) prefix */ + if (memcmp(mac, "\0\0\0", 3) == 0) + return -EINVAL; + + xsprintf(modalias, "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac)); + + r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description); + if (r < 0) + return r; + + desc = strdup(description); + if (!desc) + return -ENOMEM; + + *ret = TAKE_PTR(desc); + + return 0; +} + +static int get_gateway_description( + sd_netlink *rtnl, + sd_hwdb *hwdb, + int ifindex, + int family, + union in_addr_union *gateway, + char **ret) { + + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + int r; + + assert(rtnl); + assert(ifindex >= 0); + assert(IN_SET(family, AF_INET, AF_INET6)); + assert(gateway); + assert(ret); + + r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family); + if (r < 0) + return r; + + r = sd_netlink_message_set_request_dump(req, true); + if (r < 0) + return r; + + r = sd_netlink_call(rtnl, req, 0, &reply); + if (r < 0) + return r; + + for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) { + union in_addr_union gw = IN_ADDR_NULL; + struct ether_addr mac = ETHER_ADDR_NULL; + uint16_t type; + int ifi, fam; + + r = sd_netlink_message_get_errno(m); + if (r < 0) { + log_error_errno(r, "Failed to get netlink message, ignoring: %m"); + continue; + } + + r = sd_netlink_message_get_type(m, &type); + if (r < 0) { + log_error_errno(r, "Failed to get netlink message type, ignoring: %m"); + continue; + } + + if (type != RTM_NEWNEIGH) { + log_error("Got unexpected netlink message type %u, ignoring.", type); + continue; + } + + r = sd_rtnl_message_neigh_get_family(m, &fam); + if (r < 0) { + log_error_errno(r, "Failed to get rtnl family, ignoring: %m"); + continue; + } + + if (fam != family) { + log_error("Got invalid rtnl family %d, ignoring.", fam); + continue; + } + + r = sd_rtnl_message_neigh_get_ifindex(m, &ifi); + if (r < 0) { + log_error_errno(r, "Failed to get rtnl ifindex, ignoring: %m"); + continue; + } + + if (ifindex > 0 && ifi != ifindex) + continue; + + switch (fam) { + + case AF_INET: + r = sd_netlink_message_read_in_addr(m, NDA_DST, &gw.in); + if (r < 0) + continue; + + break; + + case AF_INET6: + r = sd_netlink_message_read_in6_addr(m, NDA_DST, &gw.in6); + if (r < 0) + continue; + + break; + + default: + assert_not_reached(); + } + + if (!in_addr_equal(fam, &gw, gateway)) + continue; + + r = sd_netlink_message_read(m, NDA_LLADDR, sizeof(mac), &mac); + if (r < 0) + continue; + + r = ieee_oui(hwdb, &mac, ret); + if (r < 0) + continue; + + return 0; + } + + return -ENODATA; +} + +int dump_gateways(sd_netlink *rtnl, sd_hwdb *hwdb, Table *table, int ifindex) { + _cleanup_free_ struct local_address *local_addrs = NULL; + _cleanup_strv_free_ char **buf = NULL; + int r, n; + + assert(rtnl); + assert(table); + + n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local_addrs); + if (n <= 0) + return n; + + FOREACH_ARRAY(local, local_addrs, n) { + _cleanup_free_ char *description = NULL; + + r = get_gateway_description(rtnl, hwdb, local->ifindex, local->family, &local->address, &description); + if (r < 0) + log_debug_errno(r, "Could not get description of gateway, ignoring: %m"); + + /* Show interface name for the entry if we show entries for all interfaces */ + r = strv_extendf(&buf, "%s%s%s%s%s%s", + IN_ADDR_TO_STRING(local->family, &local->address), + description ? " (" : "", + strempty(description), + description ? ")" : "", + ifindex <= 0 ? " on " : "", + ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : ""); + if (r < 0) + return log_oom(); + } + + return dump_list(table, "Gateway", buf); +} + +int dump_addresses( + sd_netlink *rtnl, + sd_dhcp_lease *lease, + Table *table, + int ifindex) { + + _cleanup_free_ struct local_address *local_addrs = NULL; + _cleanup_strv_free_ char **buf = NULL; + struct in_addr dhcp4_address = {}; + int r, n; + + assert(rtnl); + assert(table); + + n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local_addrs); + if (n <= 0) + return n; + + if (lease) + (void) sd_dhcp_lease_get_address(lease, &dhcp4_address); + + FOREACH_ARRAY(local, local_addrs, n) { + struct in_addr server_address; + bool dhcp4 = false; + + if (local->family == AF_INET && in4_addr_equal(&local->address.in, &dhcp4_address)) + dhcp4 = sd_dhcp_lease_get_server_identifier(lease, &server_address) >= 0; + + r = strv_extendf(&buf, "%s%s%s%s%s%s", + IN_ADDR_TO_STRING(local->family, &local->address), + dhcp4 ? " (DHCPv4 via " : "", + dhcp4 ? IN4_ADDR_TO_STRING(&server_address) : "", + dhcp4 ? ")" : "", + ifindex <= 0 ? " on " : "", + ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : ""); + if (r < 0) + return log_oom(); + } + + return dump_list(table, "Address", buf); +} diff --git a/src/network/networkctl-dump-util.h b/src/network/networkctl-dump-util.h new file mode 100644 index 00000000000..c4dfae9a46c --- /dev/null +++ b/src/network/networkctl-dump-util.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "sd-dhcp-lease.h" +#include "sd-hwdb.h" +#include "sd-netlink.h" + +#include "ether-addr-util.h" +#include "format-table.h" + +int dump_list(Table *table, const char *key, char * const *l); +int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret); +int dump_gateways(sd_netlink *rtnl, sd_hwdb *hwdb, Table *table, int ifindex); +int dump_addresses(sd_netlink *rtnl, sd_dhcp_lease *lease, Table *table, int ifindex); diff --git a/src/network/networkctl-journal.c b/src/network/networkctl-journal.c new file mode 100644 index 00000000000..2dc536c1ebe --- /dev/null +++ b/src/network/networkctl-journal.c @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "journal-internal.h" +#include "logs-show.h" +#include "networkctl.h" +#include "networkctl-journal.h" +#include "terminal-util.h" + +static OutputFlags get_output_flags(void) { + return + arg_all * OUTPUT_SHOW_ALL | + (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + colors_enabled() * OUTPUT_COLOR; +} + +int show_logs(int ifindex, const char *ifname) { + _cleanup_(sd_journal_closep) sd_journal *j = NULL; + int r; + + assert(ifindex == 0 || ifname); + + if (arg_lines == 0) + return 0; + + r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_ASSUME_IMMUTABLE); + if (r < 0) + return log_error_errno(r, "Failed to open journal: %m"); + + r = add_match_this_boot(j, NULL); + if (r < 0) + return log_error_errno(r, "Failed to add boot matches: %m"); + + if (ifindex > 0) { + (void) ( + (r = journal_add_matchf(j, "_KERNEL_DEVICE=n%i", ifindex)) || /* kernel */ + (r = sd_journal_add_disjunction(j)) || + (r = journal_add_match_pair(j, "INTERFACE", ifname)) || /* networkd */ + (r = sd_journal_add_disjunction(j)) || + (r = journal_add_match_pair(j, "DEVICE", ifname)) /* udevd */ + ); + if (r < 0) + return log_error_errno(r, "Failed to add link matches: %m"); + } else { + r = add_matches_for_unit(j, "systemd-networkd.service"); + if (r < 0) + return log_error_errno(r, "Failed to add unit matches: %m"); + + r = add_matches_for_unit(j, "systemd-networkd-wait-online.service"); + if (r < 0) + return log_error_errno(r, "Failed to add unit matches: %m"); + } + + return show_journal( + stdout, + j, + OUTPUT_SHORT, + 0, + 0, + arg_lines, + get_output_flags() | OUTPUT_BEGIN_NEWLINE, + NULL); +} diff --git a/src/network/networkctl-journal.h b/src/network/networkctl-journal.h new file mode 100644 index 00000000000..da291e08126 --- /dev/null +++ b/src/network/networkctl-journal.h @@ -0,0 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int show_logs(int ifindex, const char *ifname); diff --git a/src/network/networkctl-link-info.c b/src/network/networkctl-link-info.c new file mode 100644 index 00000000000..f356d3c2311 --- /dev/null +++ b/src/network/networkctl-link-info.c @@ -0,0 +1,428 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "bus-common-errors.h" +#include "bus-error.h" +#include "bus-util.h" +#include "device-util.h" +#include "fd-util.h" +#include "glob-util.h" +#include "netlink-util.h" +#include "networkctl-link-info.h" +#include "networkctl-util.h" +#include "sort-util.h" +#include "strv.h" +#include "strxcpyx.h" +#include "wifi-util.h" + +/* use 128 kB for receive socket kernel queue, we shouldn't need more here */ +#define RCVBUF_SIZE (128*1024) + +LinkInfo* link_info_array_free(LinkInfo *array) { + for (unsigned i = 0; array && array[i].needs_freeing; i++) { + sd_device_unref(array[i].sd_device); + free(array[i].netdev_kind); + free(array[i].ssid); + free(array[i].qdisc); + strv_free(array[i].alternative_names); + } + + return mfree(array); +} + +static int link_info_compare(const LinkInfo *a, const LinkInfo *b) { + return CMP(a->ifindex, b->ifindex); +} + +static int decode_netdev(sd_netlink_message *m, LinkInfo *info) { + int r; + + assert(m); + assert(info); + + r = sd_netlink_message_enter_container(m, IFLA_LINKINFO); + if (r < 0) + return r; + + r = sd_netlink_message_read_string_strdup(m, IFLA_INFO_KIND, &info->netdev_kind); + if (r < 0) { + (void) sd_netlink_message_exit_container(m); + return r; + } + + r = sd_netlink_message_enter_container(m, IFLA_INFO_DATA); + if (r < 0) + return r; + + if (streq(info->netdev_kind, "bridge")) { + (void) sd_netlink_message_read_u32(m, IFLA_BR_FORWARD_DELAY, &info->forward_delay); + (void) sd_netlink_message_read_u32(m, IFLA_BR_HELLO_TIME, &info->hello_time); + (void) sd_netlink_message_read_u32(m, IFLA_BR_MAX_AGE, &info->max_age); + (void) sd_netlink_message_read_u32(m, IFLA_BR_AGEING_TIME, &info->ageing_time); + (void) sd_netlink_message_read_u32(m, IFLA_BR_STP_STATE, &info->stp_state); + (void) sd_netlink_message_read_u32(m, IFLA_BRPORT_COST, &info->cost); + (void) sd_netlink_message_read_u16(m, IFLA_BR_PRIORITY, &info->priority); + (void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version); + (void) sd_netlink_message_read_u8(m, IFLA_BRPORT_STATE, &info->port_state); + if (sd_netlink_message_read_u32(m, IFLA_BR_FDB_MAX_LEARNED, &info->fdb_max_learned) >= 0 && + sd_netlink_message_read_u32(m, IFLA_BR_FDB_N_LEARNED, &info->fdb_n_learned) >= 0) + info->has_fdb_learned = true; + } if (streq(info->netdev_kind, "bond")) { + (void) sd_netlink_message_read_u8(m, IFLA_BOND_MODE, &info->mode); + (void) sd_netlink_message_read_u32(m, IFLA_BOND_MIIMON, &info->miimon); + (void) sd_netlink_message_read_u32(m, IFLA_BOND_DOWNDELAY, &info->downdelay); + (void) sd_netlink_message_read_u32(m, IFLA_BOND_UPDELAY, &info->updelay); + } else if (streq(info->netdev_kind, "vxlan")) { + (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_ID, &info->vxlan_info.vni); + + r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_GROUP, &info->vxlan_info.group.in); + if (r >= 0) + info->vxlan_info.group_family = AF_INET; + else { + r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_GROUP6, &info->vxlan_info.group.in6); + if (r >= 0) + info->vxlan_info.group_family = AF_INET6; + } + + r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_LOCAL, &info->vxlan_info.local.in); + if (r >= 0) + info->vxlan_info.local_family = AF_INET; + else { + r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_LOCAL6, &info->vxlan_info.local.in6); + if (r >= 0) + info->vxlan_info.local_family = AF_INET6; + } + + (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_LINK, &info->vxlan_info.link); + (void) sd_netlink_message_read_u16(m, IFLA_VXLAN_PORT, &info->vxlan_info.dest_port); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_PROXY, &info->vxlan_info.proxy); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_LEARNING, &info->vxlan_info.learning); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_RSC, &info->vxlan_info.rsc); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L3MISS, &info->vxlan_info.l3miss); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L2MISS, &info->vxlan_info.l2miss); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TOS, &info->vxlan_info.tos); + (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TTL, &info->vxlan_info.ttl); + } else if (streq(info->netdev_kind, "vlan")) + (void) sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &info->vlan_id); + else if (STR_IN_SET(info->netdev_kind, "ipip", "sit")) { + (void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_LOCAL, &info->local.in); + (void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_REMOTE, &info->remote.in); + } else if (streq(info->netdev_kind, "geneve")) { + (void) sd_netlink_message_read_u32(m, IFLA_GENEVE_ID, &info->vni); + + r = sd_netlink_message_read_in_addr(m, IFLA_GENEVE_REMOTE, &info->remote.in); + if (r >= 0) + info->has_tunnel_ipv4 = true; + else + (void) sd_netlink_message_read_in6_addr(m, IFLA_GENEVE_REMOTE6, &info->remote.in6); + + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL, &info->ttl); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL_INHERIT, &info->inherit); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TOS, &info->tos); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_DF, &info->df); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_CSUM, &info->csum); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, &info->csum6_tx); + (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, &info->csum6_rx); + (void) sd_netlink_message_read_u16(m, IFLA_GENEVE_PORT, &info->tunnel_port); + (void) sd_netlink_message_read_u32(m, IFLA_GENEVE_LABEL, &info->label); + } else if (STR_IN_SET(info->netdev_kind, "gre", "gretap", "erspan")) { + (void) sd_netlink_message_read_in_addr(m, IFLA_GRE_LOCAL, &info->local.in); + (void) sd_netlink_message_read_in_addr(m, IFLA_GRE_REMOTE, &info->remote.in); + } else if (STR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan")) { + (void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_LOCAL, &info->local.in6); + (void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_REMOTE, &info->remote.in6); + } else if (streq(info->netdev_kind, "vti")) { + (void) sd_netlink_message_read_in_addr(m, IFLA_VTI_LOCAL, &info->local.in); + (void) sd_netlink_message_read_in_addr(m, IFLA_VTI_REMOTE, &info->remote.in); + } else if (streq(info->netdev_kind, "vti6")) { + (void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_LOCAL, &info->local.in6); + (void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_REMOTE, &info->remote.in6); + } else if (STR_IN_SET(info->netdev_kind, "macvlan", "macvtap")) + (void) sd_netlink_message_read_u32(m, IFLA_MACVLAN_MODE, &info->macvlan_mode); + else if (streq(info->netdev_kind, "ipvlan")) { + (void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_MODE, &info->ipvlan_mode); + (void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_FLAGS, &info->ipvlan_flags); + } + + (void) sd_netlink_message_exit_container(m); + (void) sd_netlink_message_exit_container(m); + + return 0; +} + +static int decode_link( + sd_netlink_message *m, + LinkInfo *info, + char * const *patterns, + bool matched_patterns[]) { + + _cleanup_strv_free_ char **altnames = NULL; + const char *name, *qdisc; + int ifindex, r; + uint16_t type; + + assert(m); + assert(info); + + r = sd_netlink_message_get_type(m, &type); + if (r < 0) + return r; + + if (type != RTM_NEWLINK) + return 0; + + r = sd_rtnl_message_link_get_ifindex(m, &ifindex); + if (r < 0) + return r; + + r = sd_netlink_message_read_string(m, IFLA_IFNAME, &name); + if (r < 0) + return r; + + r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &altnames); + if (r < 0 && r != -ENODATA) + return r; + + if (patterns) { + char str[DECIMAL_STR_MAX(int)]; + size_t pos; + + assert(matched_patterns); + + xsprintf(str, "%i", ifindex); + if (!strv_fnmatch_full(patterns, str, 0, &pos) && + !strv_fnmatch_full(patterns, name, 0, &pos)) { + bool match = false; + + STRV_FOREACH(p, altnames) + if (strv_fnmatch_full(patterns, *p, 0, &pos)) { + match = true; + break; + } + if (!match) + return 0; + } + + matched_patterns[pos] = true; + } + + r = sd_rtnl_message_link_get_type(m, &info->iftype); + if (r < 0) + return r; + + strscpy(info->name, sizeof info->name, name); + info->ifindex = ifindex; + info->alternative_names = TAKE_PTR(altnames); + + info->has_hw_address = + netlink_message_read_hw_addr(m, IFLA_ADDRESS, &info->hw_address) >= 0 && + info->hw_address.length > 0; + + info->has_permanent_hw_address = + (netlink_message_read_hw_addr(m, IFLA_PERM_ADDRESS, &info->permanent_hw_address) >= 0 || + ethtool_get_permanent_hw_addr(NULL, info->name, &info->permanent_hw_address) >= 0) && + !hw_addr_is_null(&info->permanent_hw_address) && + !hw_addr_equal(&info->permanent_hw_address, &info->hw_address); + + (void) sd_netlink_message_read_u32(m, IFLA_MTU, &info->mtu); + (void) sd_netlink_message_read_u32(m, IFLA_MIN_MTU, &info->min_mtu); + (void) sd_netlink_message_read_u32(m, IFLA_MAX_MTU, &info->max_mtu); + + info->has_rx_queues = + sd_netlink_message_read_u32(m, IFLA_NUM_RX_QUEUES, &info->rx_queues) >= 0 && + info->rx_queues > 0; + + info->has_tx_queues = + sd_netlink_message_read_u32(m, IFLA_NUM_TX_QUEUES, &info->tx_queues) >= 0 && + info->tx_queues > 0; + + if (sd_netlink_message_read(m, IFLA_STATS64, sizeof info->stats64, &info->stats64) >= 0) + info->has_stats64 = true; + else if (sd_netlink_message_read(m, IFLA_STATS, sizeof info->stats, &info->stats) >= 0) + info->has_stats = true; + + r = sd_netlink_message_read_string(m, IFLA_QDISC, &qdisc); + if (r >= 0) { + info->qdisc = strdup(qdisc); + if (!info->qdisc) + return log_oom(); + } + + (void) sd_netlink_message_read_u32(m, IFLA_MASTER, &info->master); + + r = sd_netlink_message_enter_container(m, IFLA_AF_SPEC); + if (r >= 0) { + r = sd_netlink_message_enter_container(m, AF_INET6); + if (r >= 0) { + r = sd_netlink_message_read_u8(m, IFLA_INET6_ADDR_GEN_MODE, &info->addr_gen_mode); + if (r >= 0 && IN_SET(info->addr_gen_mode, + IN6_ADDR_GEN_MODE_EUI64, + IN6_ADDR_GEN_MODE_NONE, + IN6_ADDR_GEN_MODE_STABLE_PRIVACY, + IN6_ADDR_GEN_MODE_RANDOM)) + info->has_ipv6_address_generation_mode = true; + + (void) sd_netlink_message_exit_container(m); + } + (void) sd_netlink_message_exit_container(m); + } + + /* fill kind info */ + (void) decode_netdev(m, info); + + return 1; +} + +static int acquire_link_bitrates(sd_bus *bus, LinkInfo *link) { + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + assert(link); + + r = link_get_property(bus, link->ifindex, &error, &reply, "org.freedesktop.network1.Link", "BitRates", "(tt)"); + if (r < 0) { + bool quiet = sd_bus_error_has_names(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY, + BUS_ERROR_SPEED_METER_INACTIVE); + + return log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING, + r, "Failed to query link bit rates: %s", bus_error_message(&error, r)); + } + + r = sd_bus_message_read(reply, "(tt)", &link->tx_bitrate, &link->rx_bitrate); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + link->has_bitrates = link->tx_bitrate != UINT64_MAX && link->rx_bitrate != UINT64_MAX; + + return 0; +} + +static void acquire_ether_link_info(int *fd, LinkInfo *link) { + assert(fd); + assert(link); + + if (ethtool_get_link_info(fd, + link->name, + &link->autonegotiation, + &link->speed, + &link->duplex, + &link->port) >= 0) + link->has_ethtool_link_info = true; +} + +static void acquire_wlan_link_info(LinkInfo *link) { + _cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL; + int r, k = 0; + + assert(link); + + if (!link->sd_device) + return; + + if (!device_is_devtype(link->sd_device, "wlan")) + return; + + r = sd_genl_socket_open(&genl); + if (r < 0) { + log_debug_errno(r, "Failed to open generic netlink socket: %m"); + return; + } + + (void) sd_netlink_increase_rxbuf(genl, RCVBUF_SIZE); + + r = wifi_get_interface(genl, link->ifindex, &link->wlan_iftype, &link->ssid); + if (r < 0) + log_debug_errno(r, "%s: failed to query ssid: %m", link->name); + + if (link->wlan_iftype == NL80211_IFTYPE_STATION) { + k = wifi_get_station(genl, link->ifindex, &link->bssid); + if (k < 0) + log_debug_errno(k, "%s: failed to query bssid: %m", link->name); + } + + link->has_wlan_link_info = r > 0 || k > 0; +} + +int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char * const *patterns, LinkInfo **ret) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_(link_info_array_freep) LinkInfo *links = NULL; + _cleanup_free_ bool *matched_patterns = NULL; + _cleanup_close_ int fd = -EBADF; + size_t c = 0; + int r; + + assert(rtnl); + assert(ret); + + r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0); + if (r < 0) + return rtnl_log_create_error(r); + + r = sd_netlink_message_set_request_dump(req, true); + if (r < 0) + return rtnl_log_create_error(r); + + r = sd_netlink_call(rtnl, req, 0, &reply); + if (r < 0) + return log_error_errno(r, "Failed to enumerate links: %m"); + + if (patterns) { + matched_patterns = new0(bool, strv_length(patterns)); + if (!matched_patterns) + return log_oom(); + } + + for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) { + if (!GREEDY_REALLOC0(links, c + 2)) /* We keep one trailing one as marker */ + return -ENOMEM; + + r = decode_link(i, links + c, patterns, matched_patterns); + if (r < 0) + return r; + if (r == 0) + continue; + + links[c].needs_freeing = true; + + (void) sd_device_new_from_ifindex(&links[c].sd_device, links[c].ifindex); + + acquire_ether_link_info(&fd, &links[c]); + acquire_wlan_link_info(&links[c]); + + c++; + } + + /* Look if we matched all our arguments that are not globs. It + * is OK for a glob to match nothing, but not for an exact argument. */ + for (size_t pos = 0; pos < strv_length(patterns); pos++) { + if (matched_patterns[pos]) + continue; + + if (string_is_glob(patterns[pos])) + log_debug("Pattern \"%s\" doesn't match any interface, ignoring.", + patterns[pos]); + else + return log_error_errno(SYNTHETIC_ERRNO(ENODEV), + "Interface \"%s\" not found.", patterns[pos]); + } + + typesafe_qsort(links, c, link_info_compare); + + if (bus) + FOREACH_ARRAY(link, links, c) + (void) acquire_link_bitrates(bus, link); + + *ret = TAKE_PTR(links); + + if (patterns && c == 0) + log_warning("No interfaces matched."); + + return (int) c; +} diff --git a/src/network/networkctl-link-info.h b/src/network/networkctl-link-info.h new file mode 100644 index 00000000000..5dc5e7e25f6 --- /dev/null +++ b/src/network/networkctl-link-info.h @@ -0,0 +1,139 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include +#include + +#include "sd-bus.h" +#include "sd-device.h" +#include "sd-netlink.h" + +#include "ether-addr-util.h" +#include "ethtool-util.h" +#include "in-addr-util.h" + +typedef struct VxLanInfo { + uint32_t vni; + uint32_t link; + + int local_family; + int group_family; + + union in_addr_union local; + union in_addr_union group; + + uint16_t dest_port; + + uint8_t proxy; + uint8_t learning; + uint8_t rsc; + uint8_t l2miss; + uint8_t l3miss; + uint8_t tos; + uint8_t ttl; +} VxLanInfo; + +typedef struct LinkInfo { + char name[IFNAMSIZ+1]; + char *netdev_kind; + sd_device *sd_device; + int ifindex; + unsigned short iftype; + struct hw_addr_data hw_address; + struct hw_addr_data permanent_hw_address; + uint32_t master; + uint32_t mtu; + uint32_t min_mtu; + uint32_t max_mtu; + uint32_t tx_queues; + uint32_t rx_queues; + uint8_t addr_gen_mode; + char *qdisc; + char **alternative_names; + + union { + struct rtnl_link_stats64 stats64; + struct rtnl_link_stats stats; + }; + + uint64_t tx_bitrate; + uint64_t rx_bitrate; + + /* bridge info */ + uint32_t forward_delay; + uint32_t hello_time; + uint32_t max_age; + uint32_t ageing_time; + uint32_t stp_state; + uint32_t cost; + uint16_t priority; + uint8_t mcast_igmp_version; + uint8_t port_state; + uint32_t fdb_max_learned; + uint32_t fdb_n_learned; + bool has_fdb_learned; + + /* vxlan info */ + VxLanInfo vxlan_info; + + /* vlan info */ + uint16_t vlan_id; + + /* tunnel info */ + uint8_t ttl; + uint8_t tos; + uint8_t inherit; + uint8_t df; + uint8_t csum; + uint8_t csum6_tx; + uint8_t csum6_rx; + uint16_t tunnel_port; + uint32_t vni; + uint32_t label; + union in_addr_union local; + union in_addr_union remote; + + /* bonding info */ + uint8_t mode; + uint32_t miimon; + uint32_t updelay; + uint32_t downdelay; + + /* macvlan and macvtap info */ + uint32_t macvlan_mode; + + /* ipvlan info */ + uint16_t ipvlan_mode; + uint16_t ipvlan_flags; + + /* ethtool info */ + int autonegotiation; + uint64_t speed; + Duplex duplex; + NetDevPort port; + + /* wlan info */ + enum nl80211_iftype wlan_iftype; + char *ssid; + struct ether_addr bssid; + + bool has_hw_address:1; + bool has_permanent_hw_address:1; + bool has_tx_queues:1; + bool has_rx_queues:1; + bool has_stats64:1; + bool has_stats:1; + bool has_bitrates:1; + bool has_ethtool_link_info:1; + bool has_wlan_link_info:1; + bool has_tunnel_ipv4:1; + bool has_ipv6_address_generation_mode:1; + + bool needs_freeing:1; +} LinkInfo; + +LinkInfo* link_info_array_free(LinkInfo *array); +DEFINE_TRIVIAL_CLEANUP_FUNC(LinkInfo*, link_info_array_free); + +int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char * const *patterns, LinkInfo **ret); diff --git a/src/network/networkctl-list.c b/src/network/networkctl-list.c new file mode 100644 index 00000000000..a23930d80e4 --- /dev/null +++ b/src/network/networkctl-list.c @@ -0,0 +1,93 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "sd-network.h" + +#include "format-table.h" +#include "netif-util.h" +#include "networkctl.h" +#include "networkctl-description.h" +#include "networkctl-link-info.h" +#include "networkctl-list.h" +#include "networkctl-util.h" + +int list_links(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_(link_info_array_freep) LinkInfo *links = NULL; + _cleanup_(table_unrefp) Table *table = NULL; + TableCell *cell; + int c, r; + + r = dump_description(argc, argv); + if (r != 0) + return r; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + r = sd_netlink_open(&rtnl); + if (r < 0) + return log_error_errno(r, "Failed to connect to netlink: %m"); + + c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links); + if (c < 0) + return c; + + pager_open(arg_pager_flags); + + table = table_new("idx", "link", "type", "operational", "setup"); + if (!table) + return log_oom(); + + if (arg_full) + table_set_width(table, 0); + + table_set_header(table, arg_legend); + table_set_ersatz_string(table, TABLE_ERSATZ_DASH); + + assert_se(cell = table_get_cell(table, 0, 0)); + (void) table_set_minimum_width(table, cell, 3); + (void) table_set_weight(table, cell, 0); + (void) table_set_ellipsize_percent(table, cell, 100); + (void) table_set_align_percent(table, cell, 100); + + assert_se(cell = table_get_cell(table, 0, 1)); + (void) table_set_ellipsize_percent(table, cell, 100); + + FOREACH_ARRAY(link, links, c) { + _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; + _cleanup_free_ char *t = NULL; + const char *on_color_operational, *on_color_setup; + + (void) sd_network_link_get_operational_state(link->ifindex, &operational_state); + operational_state_to_color(link->name, operational_state, &on_color_operational, NULL); + + (void) sd_network_link_get_setup_state(link->ifindex, &setup_state); + setup_state_to_color(setup_state, &on_color_setup, NULL); + + r = net_get_type_string(link->sd_device, link->iftype, &t); + if (r == -ENOMEM) + return log_oom(); + + r = table_add_many(table, + TABLE_INT, link->ifindex, + TABLE_STRING, link->name, + TABLE_STRING, t, + TABLE_STRING, operational_state, + TABLE_SET_COLOR, on_color_operational, + TABLE_STRING, setup_state ?: "unmanaged", + TABLE_SET_COLOR, on_color_setup); + if (r < 0) + return table_log_add_error(r); + } + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + if (arg_legend) + printf("\n%i links listed.\n", c); + + return 0; +} diff --git a/src/network/networkctl-list.h b/src/network/networkctl-list.h new file mode 100644 index 00000000000..0ee8dba8941 --- /dev/null +++ b/src/network/networkctl-list.h @@ -0,0 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int list_links(int argc, char *argv[], void *userdata); diff --git a/src/network/networkctl-lldp.c b/src/network/networkctl-lldp.c new file mode 100644 index 00000000000..7836cb5ccf5 --- /dev/null +++ b/src/network/networkctl-lldp.c @@ -0,0 +1,311 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "alloc-util.h" +#include "json-util.h" +#include "networkctl.h" +#include "networkctl-dump-util.h" +#include "networkctl-lldp.h" +#include "networkctl-util.h" +#include "stdio-util.h" +#include "strv.h" +#include "terminal-util.h" +#include "varlink-util.h" + +typedef struct InterfaceInfo { + int ifindex; + const char *ifname; + char **altnames; + sd_json_variant *v; +} InterfaceInfo; + +static void interface_info_done(InterfaceInfo *p) { + if (!p) + return; + + strv_free(p->altnames); + sd_json_variant_unref(p->v); +} + +static const sd_json_dispatch_field interface_info_dispatch_table[] = { + { "InterfaceIndex", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(InterfaceInfo, ifindex), SD_JSON_MANDATORY }, + { "InterfaceName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(InterfaceInfo, ifname), SD_JSON_MANDATORY }, + { "InterfaceAlternativeNames", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_strv, offsetof(InterfaceInfo, altnames), 0 }, + { "Neighbors", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(InterfaceInfo, v), 0 }, + {}, +}; + +typedef struct LLDPNeighborInfo { + const char *chassis_id; + const char *port_id; + const char *port_description; + const char *system_name; + const char *system_description; + uint16_t capabilities; +} LLDPNeighborInfo; + +static const sd_json_dispatch_field lldp_neighbor_dispatch_table[] = { + { "ChassisID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, chassis_id), 0 }, + { "PortID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_id), 0 }, + { "PortDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_description), 0 }, + { "SystemName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_name), 0 }, + { "SystemDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_description), 0 }, + { "EnabledCapabilities", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint16, offsetof(LLDPNeighborInfo, capabilities), 0 }, + {}, +}; + +int dump_lldp_neighbors(sd_varlink *vl, Table *table, int ifindex) { + _cleanup_strv_free_ char **buf = NULL; + sd_json_variant *reply; + int r; + + assert(vl); + assert(table); + assert(ifindex > 0); + + r = varlink_callbo_and_log( + vl, + "io.systemd.Network.GetLLDPNeighbors", + &reply, + SD_JSON_BUILD_PAIR_INTEGER("InterfaceIndex", ifindex)); + if (r < 0) + return r; + + sd_json_variant *i; + JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { + _cleanup_(interface_info_done) InterfaceInfo info = {}; + + r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); + if (r < 0) + return r; + + if (info.ifindex != ifindex) + continue; + + sd_json_variant *neighbor; + JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) { + LLDPNeighborInfo neighbor_info = {}; + + r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info); + if (r < 0) + return r; + + r = strv_extendf(&buf, "%s%s%s%s on port %s%s%s%s", + strna(neighbor_info.system_name), + isempty(neighbor_info.system_description) ? "" : " (", + strempty(neighbor_info.system_description), + isempty(neighbor_info.system_description) ? "" : ")", + strna(neighbor_info.port_id), + isempty(neighbor_info.port_description) ? "" : " (", + strempty(neighbor_info.port_description), + isempty(neighbor_info.port_description) ? "" : ")"); + if (r < 0) + return log_oom(); + } + } + + return dump_list(table, "Connected To", buf); +} + +static char* lldp_capabilities_to_string(uint64_t x) { + static const char characters[] = { + 'o', 'p', 'b', 'w', 'r', 't', 'd', 'a', 'c', 's', 'm', + }; + char *ret; + unsigned i; + + ret = new(char, ELEMENTSOF(characters) + 1); + if (!ret) + return NULL; + + for (i = 0; i < ELEMENTSOF(characters); i++) + ret[i] = (x & (1U << i)) ? characters[i] : '.'; + + ret[i] = 0; + return ret; +} + +static void lldp_capabilities_legend(uint16_t x) { + unsigned cols = columns(); + static const char* const table[] = { + "o - Other", + "p - Repeater", + "b - Bridge", + "w - WLAN Access Point", + "r - Router", + "t - Telephone", + "d - DOCSIS cable device", + "a - Station", + "c - Customer VLAN", + "s - Service VLAN", + "m - Two-port MAC Relay (TPMR)", + }; + + if (x == 0) + return; + + printf("\nCapability Flags:\n"); + for (unsigned w = 0, i = 0; i < ELEMENTSOF(table); i++) + if (x & (1U << i) || arg_all) { + bool newline; + + newline = w + strlen(table[i]) + (w == 0 ? 0 : 2) > cols; + if (newline) + w = 0; + w += printf("%s%s%s", newline ? "\n" : "", w == 0 ? "" : "; ", table[i]); + } + puts(""); +} + +static bool interface_match_pattern(const InterfaceInfo *info, char * const *patterns) { + assert(info); + + if (strv_isempty(patterns)) + return true; + + if (strv_fnmatch(patterns, info->ifname)) + return true; + + char str[DECIMAL_STR_MAX(int)]; + xsprintf(str, "%i", info->ifindex); + if (strv_fnmatch(patterns, str)) + return true; + + STRV_FOREACH(a, info->altnames) + if (strv_fnmatch(patterns, *a)) + return true; + + return false; +} + +static int dump_lldp_neighbors_json(sd_json_variant *reply, char * const *patterns) { + _cleanup_(sd_json_variant_unrefp) sd_json_variant *array = NULL, *v = NULL; + int r; + + assert(reply); + + if (strv_isempty(patterns)) + return sd_json_variant_dump(reply, arg_json_format_flags, NULL, NULL); + + /* Filter and dump the result. */ + + sd_json_variant *i; + JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { + _cleanup_(interface_info_done) InterfaceInfo info = {}; + + r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); + if (r < 0) + return r; + + if (!interface_match_pattern(&info, patterns)) + continue; + + r = sd_json_variant_append_array(&array, i); + if (r < 0) + return log_error_errno(r, "Failed to append json variant to array: %m"); + } + + r = sd_json_buildo( + &v, + SD_JSON_BUILD_PAIR_CONDITION(sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_EMPTY_ARRAY), + SD_JSON_BUILD_PAIR_CONDITION(!sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_VARIANT(array))); + if (r < 0) + return log_error_errno(r, "Failed to build json varinat: %m"); + + return sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL); +} + +int link_lldp_status(int argc, char *argv[], void *userdata) { + _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; + _cleanup_(table_unrefp) Table *table = NULL; + sd_json_variant *reply; + uint64_t all = 0; + TableCell *cell; + size_t m = 0; + int r; + + r = varlink_connect_networkd(&vl); + if (r < 0) + return r; + + r = varlink_call_and_log(vl, "io.systemd.Network.GetLLDPNeighbors", NULL, &reply); + if (r < 0) + return r; + + if (arg_json_format_flags != SD_JSON_FORMAT_OFF) + return dump_lldp_neighbors_json(reply, strv_skip(argv, 1)); + + pager_open(arg_pager_flags); + + table = table_new("index", + "link", + "system-name", + "system-description", + "chassis-id", + "port-id", + "port-description", + "caps"); + if (!table) + return log_oom(); + + if (arg_full) + table_set_width(table, 0); + + table_set_header(table, arg_legend); + table_set_ersatz_string(table, TABLE_ERSATZ_DASH); + table_set_sort(table, (size_t) 0, (size_t) 2); + table_hide_column_from_display(table, (size_t) 0); + + /* Make the capabilities not truncated */ + assert_se(cell = table_get_cell(table, 0, 7)); + table_set_minimum_width(table, cell, 11); + + sd_json_variant *i; + JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { + _cleanup_(interface_info_done) InterfaceInfo info = {}; + + r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); + if (r < 0) + return r; + + if (!interface_match_pattern(&info, strv_skip(argv, 1))) + continue; + + sd_json_variant *neighbor; + JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) { + LLDPNeighborInfo neighbor_info = {}; + + r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info); + if (r < 0) + return r; + + all |= neighbor_info.capabilities; + + _cleanup_free_ char *cap_str = lldp_capabilities_to_string(neighbor_info.capabilities); + + r = table_add_many(table, + TABLE_INT, info.ifindex, + TABLE_STRING, info.ifname, + TABLE_STRING, neighbor_info.system_name, + TABLE_STRING, neighbor_info.system_description, + TABLE_STRING, neighbor_info.chassis_id, + TABLE_STRING, neighbor_info.port_id, + TABLE_STRING, neighbor_info.port_description, + TABLE_STRING, cap_str); + if (r < 0) + return table_log_add_error(r); + + m++; + } + } + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + if (arg_legend) { + lldp_capabilities_legend(all); + printf("\n%zu neighbor(s) listed.\n", m); + } + + return 0; +} diff --git a/src/network/networkctl-lldp.h b/src/network/networkctl-lldp.h new file mode 100644 index 00000000000..3ec6fe76c11 --- /dev/null +++ b/src/network/networkctl-lldp.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "sd-varlink.h" + +#include "format-table.h" + +int dump_lldp_neighbors(sd_varlink *vl, Table *table, int ifindex); +int link_lldp_status(int argc, char *argv[], void *userdata); diff --git a/src/network/networkctl-misc.c b/src/network/networkctl-misc.c new file mode 100644 index 00000000000..7a14bffc5be --- /dev/null +++ b/src/network/networkctl-misc.c @@ -0,0 +1,305 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include + +#include "bus-error.h" +#include "bus-locator.h" +#include "fd-util.h" +#include "format-util.h" +#include "netlink-util.h" +#include "networkctl.h" +#include "networkctl-misc.h" +#include "networkctl-util.h" +#include "parse-util.h" +#include "polkit-agent.h" +#include "set.h" +#include "strv.h" +#include "varlink-util.h" + +static int link_up_down_send_message(sd_netlink *rtnl, char *command, int index) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; + int r; + + assert(rtnl); + assert(index >= 0); + + r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, index); + if (r < 0) + return rtnl_log_create_error(r); + + if (streq(command, "up")) + r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP); + else + r = sd_rtnl_message_link_set_flags(req, 0, IFF_UP); + if (r < 0) + return log_error_errno(r, "Could not set link flags: %m"); + + r = sd_netlink_call(rtnl, req, 0, NULL); + if (r < 0) + return r; + + return 0; +} + +int link_up_down(int argc, char *argv[], void *userdata) { + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_set_free_ Set *indexes = NULL; + int index, r; + void *p; + + r = sd_netlink_open(&rtnl); + if (r < 0) + return log_error_errno(r, "Failed to connect to netlink: %m"); + + indexes = set_new(NULL); + if (!indexes) + return log_oom(); + + for (int i = 1; i < argc; i++) { + index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); + if (index < 0) + return index; + + r = set_put(indexes, INT_TO_PTR(index)); + if (r < 0) + return log_oom(); + } + + SET_FOREACH(p, indexes) { + index = PTR_TO_INT(p); + r = link_up_down_send_message(rtnl, argv[0], index); + if (r < 0) + return log_error_errno(r, "Failed to bring %s interface %s: %m", + argv[0], FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX)); + } + + return r; +} + +static int link_delete_send_message(sd_netlink *rtnl, int index) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; + int r; + + assert(rtnl); + assert(index >= 0); + + r = sd_rtnl_message_new_link(rtnl, &req, RTM_DELLINK, index); + if (r < 0) + return rtnl_log_create_error(r); + + r = sd_netlink_call(rtnl, req, 0, NULL); + if (r < 0) + return r; + + return 0; +} + +int link_delete(int argc, char *argv[], void *userdata) { + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_set_free_ Set *indexes = NULL; + int index, r; + void *p; + + r = sd_netlink_open(&rtnl); + if (r < 0) + return log_error_errno(r, "Failed to connect to netlink: %m"); + + indexes = set_new(NULL); + if (!indexes) + return log_oom(); + + for (int i = 1; i < argc; i++) { + index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); + if (index < 0) + return index; + + r = set_put(indexes, INT_TO_PTR(index)); + if (r < 0) + return log_oom(); + } + + SET_FOREACH(p, indexes) { + index = PTR_TO_INT(p); + r = link_delete_send_message(rtnl, index); + if (r < 0) + return log_error_errno(r, "Failed to delete interface %s: %m", + FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX)); + } + + return r; +} + +static int link_renew_one(sd_bus *bus, int index, const char *name) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + assert(index >= 0); + assert(name); + + r = bus_call_method(bus, bus_network_mgr, "RenewLink", &error, NULL, "i", index); + if (r < 0) + return log_error_errno(r, "Failed to renew dynamic configuration of interface %s: %s", + name, bus_error_message(&error, r)); + + return 0; +} + +int link_renew(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + int r; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); + + r = 0; + + for (int i = 1; i < argc; i++) { + int index; + + index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); + if (index < 0) + return index; + + RET_GATHER(r, link_renew_one(bus, index, argv[i])); + } + + return r; +} + +static int link_force_renew_one(sd_bus *bus, int index, const char *name) { + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(bus); + assert(index >= 0); + assert(name); + + r = bus_call_method(bus, bus_network_mgr, "ForceRenewLink", &error, NULL, "i", index); + if (r < 0) + return log_error_errno(r, "Failed to force renew dynamic configuration of interface %s: %s", + name, bus_error_message(&error, r)); + + return 0; +} + +int link_force_renew(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + int k = 0, r; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); + + for (int i = 1; i < argc; i++) { + int index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); + if (index < 0) + return index; + + r = link_force_renew_one(bus, index, argv[i]); + if (r < 0 && k >= 0) + k = r; + } + + return k; +} + +int verb_reload(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); + + r = bus_call_method(bus, bus_network_mgr, "Reload", &error, NULL, NULL); + if (r < 0) + return log_error_errno(r, "Failed to reload network settings: %s", bus_error_message(&error, r)); + + return 0; +} + +int verb_reconfigure(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_set_free_ Set *indexes = NULL; + int index, r; + void *p; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); + + indexes = set_new(NULL); + if (!indexes) + return log_oom(); + + for (int i = 1; i < argc; i++) { + index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); + if (index < 0) + return index; + + r = set_put(indexes, INT_TO_PTR(index)); + if (r < 0) + return log_oom(); + } + + SET_FOREACH(p, indexes) { + index = PTR_TO_INT(p); + r = bus_call_method(bus, bus_network_mgr, "ReconfigureLink", &error, NULL, "i", index); + if (r < 0) + return log_error_errno(r, "Failed to reconfigure network interface %s: %s", + FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX), + bus_error_message(&error, r)); + } + + return 0; +} + +int verb_persistent_storage(int argc, char *argv[], void *userdata) { + _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; + bool ready; + int r; + + r = parse_boolean(argv[1]); + if (r < 0) + return log_error_errno(r, "Failed to parse argument: %s", argv[1]); + ready = r; + + r = varlink_connect_networkd(&vl); + if (r < 0) + return r; + + if (ready) { + _cleanup_close_ int fd = -EBADF; + + fd = open("/var/lib/systemd/network/", O_CLOEXEC | O_DIRECTORY); + if (fd < 0) + return log_error_errno(errno, "Failed to open /var/lib/systemd/network/: %m"); + + r = sd_varlink_push_fd(vl, fd); + if (r < 0) + return log_error_errno(r, "Failed to push file descriptor of /var/lib/systemd/network/ into varlink: %m"); + + TAKE_FD(fd); + } + + return varlink_callbo_and_log( + vl, + "io.systemd.Network.SetPersistentStorage", + /* reply= */ NULL, + SD_JSON_BUILD_PAIR_BOOLEAN("Ready", ready)); +} diff --git a/src/network/networkctl-misc.h b/src/network/networkctl-misc.h new file mode 100644 index 00000000000..a7cae1c43ab --- /dev/null +++ b/src/network/networkctl-misc.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int link_up_down(int argc, char *argv[], void *userdata); +int link_delete(int argc, char *argv[], void *userdata); +int link_renew(int argc, char *argv[], void *userdata); +int link_force_renew(int argc, char *argv[], void *userdata); +int verb_reload(int argc, char *argv[], void *userdata); +int verb_reconfigure(int argc, char *argv[], void *userdata); +int verb_persistent_storage(int argc, char *argv[], void *userdata); diff --git a/src/network/networkctl-status-link.c b/src/network/networkctl-status-link.c new file mode 100644 index 00000000000..14c7771d861 --- /dev/null +++ b/src/network/networkctl-status-link.c @@ -0,0 +1,970 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +/* Make sure the net/if.h header is included before any linux/ one */ +#include + +#include "sd-network.h" + +#include "bond-util.h" +#include "bridge-util.h" +#include "bus-error.h" +#include "bus-util.h" +#include "escape.h" +#include "format-util.h" +#include "geneve-util.h" +#include "glyph-util.h" +#include "ipvlan-util.h" +#include "macvlan-util.h" +#include "netif-util.h" +#include "network-internal.h" +#include "networkctl.h" +#include "networkctl-description.h" +#include "networkctl-dump-util.h" +#include "networkctl-journal.h" +#include "networkctl-link-info.h" +#include "networkctl-lldp.h" +#include "networkctl-status-link.h" +#include "networkctl-status-system.h" +#include "networkctl-util.h" +#include "strv.h" +#include "udev-util.h" + +static int dump_dhcp_leases(Table *table, const char *prefix, sd_bus *bus, const LinkInfo *link) { + _cleanup_strv_free_ char **buf = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + int r; + + assert(table); + assert(prefix); + assert(bus); + assert(link); + + r = link_get_property(bus, link->ifindex, &error, &reply, "org.freedesktop.network1.DHCPServer", "Leases", "a(uayayayayt)"); + if (r < 0) { + bool quiet = sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY); + + log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING, + r, "Failed to query link DHCP leases: %s", bus_error_message(&error, r)); + return 0; + } + + r = sd_bus_message_enter_container(reply, 'a', "(uayayayayt)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_enter_container(reply, 'r', "uayayayayt")) > 0) { + _cleanup_free_ char *id = NULL, *ip = NULL; + const void *client_id, *addr, *gtw, *hwaddr; + size_t client_id_sz, sz; + uint64_t expiration; + uint32_t family; + + r = sd_bus_message_read(reply, "u", &family); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(reply, 'y', &client_id, &client_id_sz); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(reply, 'y', &addr, &sz); + if (r < 0 || sz != 4) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(reply, 'y', >w, &sz); + if (r < 0 || sz != 4) + return bus_log_parse_error(r); + + r = sd_bus_message_read_array(reply, 'y', &hwaddr, &sz); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_read_basic(reply, 't', &expiration); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_dhcp_client_id_to_string_from_raw(client_id, client_id_sz, &id); + if (r < 0) + return bus_log_parse_error(r); + + r = in_addr_to_string(family, addr, &ip); + if (r < 0) + return bus_log_parse_error(r); + + r = strv_extendf(&buf, "%s (to %s)", ip, id); + if (r < 0) + return log_oom(); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + if (strv_isempty(buf)) { + r = strv_extendf(&buf, "none"); + if (r < 0) + return log_oom(); + } + + return dump_list(table, prefix, buf); +} + +static int dump_ifindexes(Table *table, const char *prefix, const int *ifindexes) { + int r; + + assert(table); + assert(prefix); + + if (!ifindexes) + return 0; + + for (unsigned c = 0; ifindexes[c] > 0; c++) { + if (c == 0) + r = table_add_cell(table, NULL, TABLE_FIELD, prefix); + else + r = table_add_cell(table, NULL, TABLE_EMPTY, NULL); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell(table, NULL, TABLE_IFINDEX, &ifindexes[c]); + if (r < 0) + return table_log_add_error(r); + } + + return 0; +} + +#define DUMP_STATS_ONE(name, val_name) \ + ({ \ + r = table_add_cell(table, NULL, TABLE_FIELD, name); \ + if (r < 0) \ + return table_log_add_error(r); \ + r = table_add_cell(table, NULL, \ + info->has_stats64 ? TABLE_UINT64 : TABLE_UINT32, \ + info->has_stats64 ? (void*) &info->stats64.val_name : (void*) &info->stats.val_name); \ + if (r < 0) \ + return table_log_add_error(r); \ + }) + +static int dump_statistics(Table *table, const LinkInfo *info) { + int r; + + assert(table); + assert(info); + + if (!arg_stats) + return 0; + + if (!info->has_stats64 && !info->has_stats) + return 0; + + DUMP_STATS_ONE("Rx Packets", rx_packets); + DUMP_STATS_ONE("Tx Packets", tx_packets); + DUMP_STATS_ONE("Rx Bytes", rx_bytes); + DUMP_STATS_ONE("Tx Bytes", tx_bytes); + DUMP_STATS_ONE("Rx Errors", rx_errors); + DUMP_STATS_ONE("Tx Errors", tx_errors); + DUMP_STATS_ONE("Rx Dropped", rx_dropped); + DUMP_STATS_ONE("Tx Dropped", tx_dropped); + DUMP_STATS_ONE("Multicast Packets", multicast); + DUMP_STATS_ONE("Collisions", collisions); + + return 0; +} + +static int dump_hw_address(Table *table, sd_hwdb *hwdb, const char *field, const struct hw_addr_data *addr) { + _cleanup_free_ char *description = NULL; + int r; + + assert(table); + assert(field); + assert(addr); + + if (addr->length == ETH_ALEN) + (void) ieee_oui(hwdb, &addr->ether, &description); + + r = table_add_cell(table, NULL, TABLE_FIELD, field); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s%s%s%s", + HW_ADDR_TO_STR(addr), + description ? " (" : "", + strempty(description), + description ? ")" : ""); + if (r < 0) + return table_log_add_error(r); + + return 0; +} + +static int table_add_string_line(Table *table, const char *key, const char *value) { + int r; + + assert(table); + assert(key); + + if (isempty(value)) + return 0; + + r = table_add_many(table, + TABLE_FIELD, key, + TABLE_STRING, value); + if (r < 0) + return table_log_add_error(r); + + return 0; +} + +static int format_dropins(char **dropins) { + STRV_FOREACH(d, dropins) { + _cleanup_free_ char *s = NULL; + int glyph = *(d + 1) == NULL ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH; + + s = strjoin(special_glyph(glyph), *d); + if (!s) + return log_oom(); + + free_and_replace(*d, s); + } + + return 0; +} + +static int link_status_one( + sd_bus *bus, + sd_netlink *rtnl, + sd_hwdb *hwdb, + sd_varlink *vl, + const LinkInfo *info) { + + _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **sip = NULL, **search_domains = NULL, + **route_domains = NULL, **link_dropins = NULL, **network_dropins = NULL; + _cleanup_free_ char *t = NULL, *network = NULL, *iaid = NULL, *duid = NULL, *captive_portal = NULL, + *setup_state = NULL, *operational_state = NULL, *online_state = NULL, *activation_policy = NULL; + const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL, + *on_color_operational, *off_color_operational, *on_color_setup, *off_color_setup, *on_color_online; + _cleanup_free_ int *carrier_bound_to = NULL, *carrier_bound_by = NULL; + _cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL; + _cleanup_(table_unrefp) Table *table = NULL; + int r; + + assert(bus); + assert(rtnl); + assert(vl); + assert(info); + + (void) sd_network_link_get_operational_state(info->ifindex, &operational_state); + operational_state_to_color(info->name, operational_state, &on_color_operational, &off_color_operational); + + (void) sd_network_link_get_online_state(info->ifindex, &online_state); + online_state_to_color(online_state, &on_color_online, NULL); + + (void) sd_network_link_get_setup_state(info->ifindex, &setup_state); + setup_state_to_color(setup_state, &on_color_setup, &off_color_setup); + + (void) sd_network_link_get_dns(info->ifindex, &dns); + (void) sd_network_link_get_search_domains(info->ifindex, &search_domains); + (void) sd_network_link_get_route_domains(info->ifindex, &route_domains); + (void) sd_network_link_get_ntp(info->ifindex, &ntp); + (void) sd_network_link_get_sip(info->ifindex, &sip); + (void) sd_network_link_get_captive_portal(info->ifindex, &captive_portal); + (void) sd_network_link_get_network_file(info->ifindex, &network); + (void) sd_network_link_get_network_file_dropins(info->ifindex, &network_dropins); + (void) sd_network_link_get_carrier_bound_to(info->ifindex, &carrier_bound_to); + (void) sd_network_link_get_carrier_bound_by(info->ifindex, &carrier_bound_by); + (void) sd_network_link_get_activation_policy(info->ifindex, &activation_policy); + + if (info->sd_device) { + const char *joined; + + (void) sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE", &link); + + if (sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE_DROPINS", &joined) >= 0) { + r = strv_split_full(&link_dropins, joined, ":", EXTRACT_CUNESCAPE); + if (r < 0) + return r; + } + + (void) sd_device_get_property_value(info->sd_device, "ID_NET_DRIVER", &driver); + (void) sd_device_get_property_value(info->sd_device, "ID_PATH", &path); + (void) device_get_vendor_string(info->sd_device, &vendor); + (void) device_get_model_string(info->sd_device, &model); + } + + r = net_get_type_string(info->sd_device, info->iftype, &t); + if (r == -ENOMEM) + return log_oom(); + + char lease_file[STRLEN("/run/systemd/netif/leases/") + DECIMAL_STR_MAX(int)]; + xsprintf(lease_file, "/run/systemd/netif/leases/%i", info->ifindex); + + (void) dhcp_lease_load(&lease, lease_file); + + r = format_dropins(network_dropins); + if (r < 0) + return r; + + if (strv_prepend(&network_dropins, network) < 0) + return log_oom(); + + r = format_dropins(link_dropins); + if (r < 0) + return r; + + if (strv_prepend(&link_dropins, link) < 0) + return log_oom(); + + table = table_new_vertical(); + if (!table) + return log_oom(); + + if (arg_full) + table_set_width(table, 0); + + /* unit files and basic states. */ + r = table_add_many(table, + TABLE_FIELD, "Link File", + TABLE_STRV, link_dropins ?: STRV_MAKE("n/a"), + TABLE_FIELD, "Network File", + TABLE_STRV, network_dropins ?: STRV_MAKE("n/a"), + TABLE_FIELD, "State"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s%s%s (%s%s%s)", + on_color_operational, strna(operational_state), off_color_operational, + on_color_setup, setup_state ?: "unmanaged", off_color_setup); + if (r < 0) + return table_log_add_error(r); + + r = table_add_many(table, + TABLE_FIELD, "Online state", + TABLE_STRING, online_state ?: "unknown", + TABLE_SET_COLOR, on_color_online); + if (r < 0) + return table_log_add_error(r); + + r = table_add_string_line(table, "Type", t); + if (r < 0) + return r; + + r = table_add_string_line(table, "Kind", info->netdev_kind); + if (r < 0) + return r; + + r = table_add_string_line(table, "Path", path); + if (r < 0) + return r; + + r = table_add_string_line(table, "Driver", driver); + if (r < 0) + return r; + + r = table_add_string_line(table, "Vendor", vendor); + if (r < 0) + return r; + + r = table_add_string_line(table, "Model", model); + if (r < 0) + return r; + + strv_sort(info->alternative_names); + r = dump_list(table, "Alternative Names", info->alternative_names); + if (r < 0) + return r; + + if (info->has_hw_address) { + r = dump_hw_address(table, hwdb, "Hardware Address", &info->hw_address); + if (r < 0) + return r; + } + + if (info->has_permanent_hw_address) { + r = dump_hw_address(table, hwdb, "Permanent Hardware Address", &info->permanent_hw_address); + if (r < 0) + return r; + } + + if (info->mtu > 0) { + char min_str[DECIMAL_STR_MAX(uint32_t)], max_str[DECIMAL_STR_MAX(uint32_t)]; + + xsprintf(min_str, "%" PRIu32, info->min_mtu); + xsprintf(max_str, "%" PRIu32, info->max_mtu); + + r = table_add_cell(table, NULL, TABLE_FIELD, "MTU"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%" PRIu32 "%s%s%s%s%s%s%s", + info->mtu, + info->min_mtu > 0 || info->max_mtu > 0 ? " (" : "", + info->min_mtu > 0 ? "min: " : "", + info->min_mtu > 0 ? min_str : "", + info->min_mtu > 0 && info->max_mtu > 0 ? ", " : "", + info->max_mtu > 0 ? "max: " : "", + info->max_mtu > 0 ? max_str : "", + info->min_mtu > 0 || info->max_mtu > 0 ? ")" : ""); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_string_line(table, "QDisc", info->qdisc); + if (r < 0) + return r; + + if (info->master > 0) { + r = table_add_many(table, + TABLE_FIELD, "Master", + TABLE_IFINDEX, info->master); + if (r < 0) + return table_log_add_error(r); + } + + if (info->has_ipv6_address_generation_mode) { + static const struct { + const char *mode; + } mode_table[] = { + { "eui64" }, + { "none" }, + { "stable-privacy" }, + { "random" }, + }; + + r = table_add_many(table, + TABLE_FIELD, "IPv6 Address Generation Mode", + TABLE_STRING, mode_table[info->addr_gen_mode]); + if (r < 0) + return table_log_add_error(r); + } + + if (streq_ptr(info->netdev_kind, "bridge")) { + r = table_add_many(table, + TABLE_FIELD, "Forward Delay", + TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->forward_delay), + TABLE_FIELD, "Hello Time", + TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->hello_time), + TABLE_FIELD, "Max Age", + TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->max_age), + TABLE_FIELD, "Ageing Time", + TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->ageing_time), + TABLE_FIELD, "Priority", + TABLE_UINT16, info->priority, + TABLE_FIELD, "STP", + TABLE_BOOLEAN, info->stp_state > 0, + TABLE_FIELD, "Multicast IGMP Version", + TABLE_UINT8, info->mcast_igmp_version, + TABLE_FIELD, "Cost", + TABLE_UINT32, info->cost); + if (r < 0) + return table_log_add_error(r); + + if (info->has_fdb_learned) { + r = table_add_many(table, + TABLE_FIELD, "FDB Learned", + TABLE_UINT32, info->fdb_n_learned, + TABLE_FIELD, "FDB Max Learned", + TABLE_UINT32, info->fdb_max_learned); + if (r < 0) + return table_log_add_error(r); + } + + if (info->port_state <= BR_STATE_BLOCKING) { + r = table_add_many(table, + TABLE_FIELD, "Port State", + TABLE_STRING, bridge_state_to_string(info->port_state)); + if (r < 0) + return table_log_add_error(r); + } + + } else if (streq_ptr(info->netdev_kind, "bond")) { + r = table_add_many(table, + TABLE_FIELD, "Mode", + TABLE_STRING, bond_mode_to_string(info->mode), + TABLE_FIELD, "Miimon", + TABLE_TIMESPAN_MSEC, info->miimon * USEC_PER_MSEC, + TABLE_FIELD, "Updelay", + TABLE_TIMESPAN_MSEC, info->updelay * USEC_PER_MSEC, + TABLE_FIELD, "Downdelay", + TABLE_TIMESPAN_MSEC, info->downdelay * USEC_PER_MSEC); + if (r < 0) + return table_log_add_error(r); + + } else if (streq_ptr(info->netdev_kind, "vxlan")) { + char ttl[CONST_MAX(STRLEN("auto") + 1, DECIMAL_STR_MAX(uint8_t))]; + + if (info->vxlan_info.vni > 0) { + r = table_add_many(table, + TABLE_FIELD, "VNI", + TABLE_UINT32, info->vxlan_info.vni); + if (r < 0) + return table_log_add_error(r); + } + + if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) { + const char *p; + + r = in_addr_is_multicast(info->vxlan_info.group_family, &info->vxlan_info.group); + if (r <= 0) + p = "Remote"; + else + p = "Group"; + + r = table_add_many(table, + TABLE_FIELD, p, + info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.group); + if (r < 0) + return table_log_add_error(r); + } + + if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) { + r = table_add_many(table, + TABLE_FIELD, "Local", + info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.local); + if (r < 0) + return table_log_add_error(r); + } + + if (info->vxlan_info.dest_port > 0) { + r = table_add_many(table, + TABLE_FIELD, "Destination Port", + TABLE_UINT16, be16toh(info->vxlan_info.dest_port)); + if (r < 0) + return table_log_add_error(r); + } + + if (info->vxlan_info.link > 0) { + r = table_add_many(table, + TABLE_FIELD, "Underlying Device", + TABLE_IFINDEX, info->vxlan_info.link); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_FIELD, "Learning", + TABLE_BOOLEAN, info->vxlan_info.learning, + TABLE_FIELD, "RSC", + TABLE_BOOLEAN, info->vxlan_info.rsc, + TABLE_FIELD, "L3MISS", + TABLE_BOOLEAN, info->vxlan_info.l3miss, + TABLE_FIELD, "L2MISS", + TABLE_BOOLEAN, info->vxlan_info.l2miss); + if (r < 0) + return table_log_add_error(r); + + if (info->vxlan_info.tos > 1) { + r = table_add_many(table, + TABLE_FIELD, "TOS", + TABLE_UINT8, info->vxlan_info.tos); + if (r < 0) + return table_log_add_error(r); + } + + if (info->vxlan_info.ttl > 0) + xsprintf(ttl, "%" PRIu8, info->vxlan_info.ttl); + else + strcpy(ttl, "auto"); + + r = table_add_many(table, + TABLE_FIELD, "TTL", + TABLE_STRING, ttl); + if (r < 0) + return table_log_add_error(r); + + } else if (streq_ptr(info->netdev_kind, "vlan") && info->vlan_id > 0) { + r = table_add_many(table, + TABLE_FIELD, "VLan Id", + TABLE_UINT16, info->vlan_id); + if (r < 0) + return table_log_add_error(r); + + } else if (STRPTR_IN_SET(info->netdev_kind, "ipip", "sit", "gre", "gretap", "erspan", "vti")) { + if (in_addr_is_set(AF_INET, &info->local)) { + r = table_add_many(table, + TABLE_FIELD, "Local", + TABLE_IN_ADDR, &info->local); + if (r < 0) + return table_log_add_error(r); + } + + if (in_addr_is_set(AF_INET, &info->remote)) { + r = table_add_many(table, + TABLE_FIELD, "Remote", + TABLE_IN_ADDR, &info->remote); + if (r < 0) + return table_log_add_error(r); + } + + } else if (STRPTR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan", "vti6")) { + if (in_addr_is_set(AF_INET6, &info->local)) { + r = table_add_many(table, + TABLE_FIELD, "Local", + TABLE_IN6_ADDR, &info->local); + if (r < 0) + return table_log_add_error(r); + } + + if (in_addr_is_set(AF_INET6, &info->remote)) { + r = table_add_many(table, + TABLE_FIELD, "Remote", + TABLE_IN6_ADDR, &info->remote); + if (r < 0) + return table_log_add_error(r); + } + + } else if (streq_ptr(info->netdev_kind, "geneve")) { + r = table_add_many(table, + TABLE_FIELD, "VNI", + TABLE_UINT32, info->vni); + if (r < 0) + return table_log_add_error(r); + + if (info->has_tunnel_ipv4 && in_addr_is_set(AF_INET, &info->remote)) { + r = table_add_many(table, + TABLE_FIELD, "Remote", + TABLE_IN_ADDR, &info->remote); + if (r < 0) + return table_log_add_error(r); + } else if (in_addr_is_set(AF_INET6, &info->remote)) { + r = table_add_many(table, + TABLE_FIELD, "Remote", + TABLE_IN6_ADDR, &info->remote); + if (r < 0) + return table_log_add_error(r); + } + + if (info->ttl > 0) { + r = table_add_many(table, + TABLE_FIELD, "TTL", + TABLE_UINT8, info->ttl); + if (r < 0) + return table_log_add_error(r); + } + + if (info->tos > 0) { + r = table_add_many(table, + TABLE_FIELD, "TOS", + TABLE_UINT8, info->tos); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_FIELD, "Port", + TABLE_UINT16, info->tunnel_port, + TABLE_FIELD, "Inherit", + TABLE_STRING, geneve_df_to_string(info->inherit)); + if (r < 0) + return table_log_add_error(r); + + if (info->df > 0) { + r = table_add_many(table, + TABLE_FIELD, "IPDoNotFragment", + TABLE_UINT8, info->df); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_FIELD, "UDPChecksum", + TABLE_BOOLEAN, info->csum, + TABLE_FIELD, "UDP6ZeroChecksumTx", + TABLE_BOOLEAN, info->csum6_tx, + TABLE_FIELD, "UDP6ZeroChecksumRx", + TABLE_BOOLEAN, info->csum6_rx); + if (r < 0) + return table_log_add_error(r); + + if (info->label > 0) { + r = table_add_many(table, + TABLE_FIELD, "FlowLabel", + TABLE_UINT32, info->label); + if (r < 0) + return table_log_add_error(r); + } + + } else if (STRPTR_IN_SET(info->netdev_kind, "macvlan", "macvtap")) { + r = table_add_many(table, + TABLE_FIELD, "Mode", + TABLE_STRING, macvlan_mode_to_string(info->macvlan_mode)); + if (r < 0) + return table_log_add_error(r); + + } else if (streq_ptr(info->netdev_kind, "ipvlan")) { + const char *p; + + if (info->ipvlan_flags & IPVLAN_F_PRIVATE) + p = "private"; + else if (info->ipvlan_flags & IPVLAN_F_VEPA) + p = "vepa"; + else + p = "bridge"; + + r = table_add_cell(table, NULL, TABLE_FIELD, "Mode"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%s (%s)", + ipvlan_mode_to_string(info->ipvlan_mode), p); + if (r < 0) + return table_log_add_error(r); + } + + if (info->has_wlan_link_info) { + _cleanup_free_ char *esc = NULL; + + r = table_add_cell(table, NULL, TABLE_FIELD, "Wi-Fi access point"); + if (r < 0) + return table_log_add_error(r); + + if (info->ssid) + esc = cescape(info->ssid); + + r = table_add_cell_stringf(table, NULL, "%s (%s)", + strnull(esc), + ETHER_ADDR_TO_STR(&info->bssid)); + if (r < 0) + return table_log_add_error(r); + } + + if (info->has_bitrates) { + r = table_add_cell(table, NULL, TABLE_FIELD, "Bit Rate (Tx/Rx)"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%sbps/%sbps", + FORMAT_BYTES_FULL(info->tx_bitrate, 0), + FORMAT_BYTES_FULL(info->rx_bitrate, 0)); + if (r < 0) + return table_log_add_error(r); + } + + if (info->has_tx_queues || info->has_rx_queues) { + r = table_add_cell(table, NULL, TABLE_FIELD, "Number of Queues (Tx/Rx)"); + if (r < 0) + return table_log_add_error(r); + + r = table_add_cell_stringf(table, NULL, "%" PRIu32 "/%" PRIu32, info->tx_queues, info->rx_queues); + if (r < 0) + return table_log_add_error(r); + } + + if (info->has_ethtool_link_info) { + if (IN_SET(info->autonegotiation, AUTONEG_DISABLE, AUTONEG_ENABLE)) { + r = table_add_many(table, + TABLE_FIELD, "Auto negotiation", + TABLE_BOOLEAN, info->autonegotiation == AUTONEG_ENABLE); + if (r < 0) + return table_log_add_error(r); + } + + if (info->speed > 0 && info->speed != UINT64_MAX) { + r = table_add_many(table, + TABLE_FIELD, "Speed", + TABLE_BPS, info->speed); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_string_line(table, "Duplex", duplex_to_string(info->duplex)); + if (r < 0) + return r; + + r = table_add_string_line(table, "Port", port_to_string(info->port)); + if (r < 0) + return r; + } + + r = dump_addresses(rtnl, lease, table, info->ifindex); + if (r < 0) + return r; + + r = dump_gateways(rtnl, hwdb, table, info->ifindex); + if (r < 0) + return r; + + r = dump_list(table, "DNS", dns); + if (r < 0) + return r; + + r = dump_list(table, "Search Domains", search_domains); + if (r < 0) + return r; + + r = dump_list(table, "Route Domains", route_domains); + if (r < 0) + return r; + + r = dump_list(table, "NTP", ntp); + if (r < 0) + return r; + + r = dump_list(table, "SIP", sip); + if (r < 0) + return r; + + r = dump_ifindexes(table, "Carrier Bound To", carrier_bound_to); + if (r < 0) + return r; + + r = dump_ifindexes(table, "Carrier Bound By", carrier_bound_by); + if (r < 0) + return r; + + r = table_add_string_line(table, "Activation Policy", activation_policy); + if (r < 0) + return r; + + r = sd_network_link_get_required_for_online(info->ifindex); + if (r >= 0) { + r = table_add_many(table, + TABLE_FIELD, "Required For Online", + TABLE_BOOLEAN, r); + if (r < 0) + return table_log_add_error(r); + } + + if (captive_portal) { + r = table_add_many(table, + TABLE_FIELD, "Captive Portal", + TABLE_STRING, captive_portal, + TABLE_SET_URL, captive_portal); + if (r < 0) + return table_log_add_error(r); + } + + if (lease) { + const sd_dhcp_client_id *client_id; + const char *tz; + + r = sd_dhcp_lease_get_timezone(lease, &tz); + if (r >= 0) { + r = table_add_many(table, + TABLE_FIELD, "Time Zone", + TABLE_STRING, tz); + if (r < 0) + return table_log_add_error(r); + } + + r = sd_dhcp_lease_get_client_id(lease, &client_id); + if (r >= 0) { + _cleanup_free_ char *id = NULL; + + r = sd_dhcp_client_id_to_string(client_id, &id); + if (r >= 0) { + r = table_add_many(table, + TABLE_FIELD, "DHCPv4 Client ID", + TABLE_STRING, id); + if (r < 0) + return table_log_add_error(r); + } + } + } + + r = sd_network_link_get_dhcp6_client_iaid_string(info->ifindex, &iaid); + if (r >= 0) { + r = table_add_many(table, + TABLE_FIELD, "DHCPv6 Client IAID", + TABLE_STRING, iaid); + if (r < 0) + return table_log_add_error(r); + } + + r = sd_network_link_get_dhcp6_client_duid_string(info->ifindex, &duid); + if (r >= 0) { + r = table_add_many(table, + TABLE_FIELD, "DHCPv6 Client DUID", + TABLE_STRING, duid); + if (r < 0) + return table_log_add_error(r); + } + + r = dump_lldp_neighbors(vl, table, info->ifindex); + if (r < 0) + return r; + + r = dump_dhcp_leases(table, "Offered DHCP leases", bus, info); + if (r < 0) + return r; + + r = dump_statistics(table, info); + if (r < 0) + return r; + + /* First line: circle, ifindex, ifname. */ + printf("%s%s%s %d: %s\n", + on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational, + info->ifindex, info->name); + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return show_logs(info->ifindex, info->name); +} + +int link_status(int argc, char *argv[], void *userdata) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL; + _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; + _cleanup_(link_info_array_freep) LinkInfo *links = NULL; + int r, c; + + r = dump_description(argc, argv); + if (r != 0) + return r; + + r = acquire_bus(&bus); + if (r < 0) + return r; + + pager_open(arg_pager_flags); + + r = sd_netlink_open(&rtnl); + if (r < 0) + return log_error_errno(r, "Failed to connect to netlink: %m"); + + r = sd_hwdb_new(&hwdb); + if (r < 0) + log_debug_errno(r, "Failed to open hardware database: %m"); + + r = varlink_connect_networkd(&vl); + if (r < 0) + return r; + + if (arg_all) + c = acquire_link_info(bus, rtnl, NULL, &links); + else if (argc <= 1) + return system_status(rtnl, hwdb); + else + c = acquire_link_info(bus, rtnl, argv + 1, &links); + if (c < 0) + return c; + + r = 0; + + bool first = true; + FOREACH_ARRAY(i, links, c) { + if (!first) + putchar('\n'); + + RET_GATHER(r, link_status_one(bus, rtnl, hwdb, vl, i)); + + first = false; + } + + return r; +} diff --git a/src/network/networkctl-status-link.h b/src/network/networkctl-status-link.h new file mode 100644 index 00000000000..1c1b4ea75a3 --- /dev/null +++ b/src/network/networkctl-status-link.h @@ -0,0 +1,4 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +int link_status(int argc, char *argv[], void *userdata); diff --git a/src/network/networkctl-status-system.c b/src/network/networkctl-status-system.c new file mode 100644 index 00000000000..225fa7e6e5d --- /dev/null +++ b/src/network/networkctl-status-system.c @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "sd-network.h" + +#include "fs-util.h" +#include "glyph-util.h" +#include "networkctl.h" +#include "networkctl-dump-util.h" +#include "networkctl-journal.h" +#include "networkctl-status-system.h" +#include "networkctl-util.h" +#include "strv.h" + +int system_status(sd_netlink *rtnl, sd_hwdb *hwdb) { + _cleanup_free_ char *operational_state = NULL, *online_state = NULL, *netifs_joined = NULL; + _cleanup_strv_free_ char **netifs = NULL, **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL; + const char *on_color_operational, *off_color_operational, *on_color_online; + _cleanup_(table_unrefp) Table *table = NULL; + int r; + + assert(rtnl); + + (void) sd_network_get_operational_state(&operational_state); + operational_state_to_color(NULL, operational_state, &on_color_operational, &off_color_operational); + + (void) sd_network_get_online_state(&online_state); + online_state_to_color(online_state, &on_color_online, NULL); + + table = table_new_vertical(); + if (!table) + return log_oom(); + + if (arg_full) + table_set_width(table, 0); + + r = get_files_in_directory("/run/systemd/netif/links/", &netifs); + if (r < 0 && r != -ENOENT) + return log_error_errno(r, "Failed to list network interfaces: %m"); + else if (r > 0) { + netifs_joined = strv_join(netifs, ", "); + if (!netifs_joined) + return log_oom(); + } + + r = table_add_many(table, + TABLE_FIELD, "State", + TABLE_STRING, strna(operational_state), + TABLE_SET_COLOR, on_color_operational, + TABLE_FIELD, "Online state", + TABLE_STRING, online_state ?: "unknown", + TABLE_SET_COLOR, on_color_online); + if (r < 0) + return table_log_add_error(r); + + r = dump_addresses(rtnl, NULL, table, 0); + if (r < 0) + return r; + + r = dump_gateways(rtnl, hwdb, table, 0); + if (r < 0) + return r; + + (void) sd_network_get_dns(&dns); + r = dump_list(table, "DNS", dns); + if (r < 0) + return r; + + (void) sd_network_get_search_domains(&search_domains); + r = dump_list(table, "Search Domains", search_domains); + if (r < 0) + return r; + + (void) sd_network_get_route_domains(&route_domains); + r = dump_list(table, "Route Domains", route_domains); + if (r < 0) + return r; + + (void) sd_network_get_ntp(&ntp); + r = dump_list(table, "NTP", ntp); + if (r < 0) + return r; + + printf("%s%s%s Interfaces: %s\n", + on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational, + strna(netifs_joined)); + + r = table_print(table, NULL); + if (r < 0) + return table_log_print_error(r); + + return show_logs(0, NULL); +} diff --git a/src/network/networkctl-status-system.h b/src/network/networkctl-status-system.h new file mode 100644 index 00000000000..8d9da175c45 --- /dev/null +++ b/src/network/networkctl-status-system.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "sd-hwdb.h" +#include "sd-netlink.h" + +int system_status(sd_netlink *rtnl, sd_hwdb *hwdb); diff --git a/src/network/networkctl-util.c b/src/network/networkctl-util.c new file mode 100644 index 00000000000..88620aad536 --- /dev/null +++ b/src/network/networkctl-util.c @@ -0,0 +1,192 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include + +#include "ansi-color.h" +#include "networkctl.h" +#include "networkctl-util.h" +#include "strv.h" +#include "varlink-util.h" + +int varlink_connect_networkd(sd_varlink **ret_varlink) { + _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; + sd_json_variant *reply; + uint64_t id; + int r; + + r = sd_varlink_connect_address(&vl, "/run/systemd/netif/io.systemd.Network"); + if (r < 0) + return log_error_errno(r, "Failed to connect to network service /run/systemd/netif/io.systemd.Network: %m"); + + (void) sd_varlink_set_description(vl, "varlink-network"); + + r = sd_varlink_set_allow_fd_passing_output(vl, true); + if (r < 0) + return log_error_errno(r, "Failed to allow passing file descriptor through varlink: %m"); + + r = varlink_call_and_log(vl, "io.systemd.Network.GetNamespaceId", /* parameters= */ NULL, &reply); + if (r < 0) + return r; + + static const sd_json_dispatch_field dispatch_table[] = { + { "NamespaceId", SD_JSON_VARIANT_UNSIGNED, sd_json_dispatch_uint64, 0, SD_JSON_MANDATORY }, + {}, + }; + + r = sd_json_dispatch(reply, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &id); + if (r < 0) + return r; + + if (id == 0) + log_debug("systemd-networkd.service not running in a network namespace (?), skipping netns check."); + else { + struct stat st; + + if (stat("/proc/self/ns/net", &st) < 0) + return log_error_errno(errno, "Failed to determine our own network namespace ID: %m"); + + if (id != st.st_ino) + return log_error_errno(SYNTHETIC_ERRNO(EREMOTE), + "networkctl must be invoked in same network namespace as systemd-networkd.service."); + } + + if (ret_varlink) + *ret_varlink = TAKE_PTR(vl); + return 0; +} + +bool networkd_is_running(void) { + static int cached = -1; + int r; + + if (cached < 0) { + r = access("/run/systemd/netif/state", F_OK); + if (r < 0) { + if (errno != ENOENT) + log_debug_errno(errno, + "Failed to determine whether networkd is running, assuming it's not: %m"); + + cached = false; + } else + cached = true; + } + + return cached; +} + +int acquire_bus(sd_bus **ret) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + int r; + + assert(ret); + + r = sd_bus_open_system(&bus); + if (r < 0) + return log_error_errno(r, "Failed to connect to system bus: %m"); + + (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password); + + if (networkd_is_running()) { + r = varlink_connect_networkd(/* ret_varlink = */ NULL); + if (r < 0) + return r; + } else + log_warning("systemd-networkd is not running, output might be incomplete."); + + *ret = TAKE_PTR(bus); + return 0; +} + +int link_get_property( + sd_bus *bus, + int ifindex, + sd_bus_error *error, + sd_bus_message **reply, + const char *iface, + const char *propname, + const char *type) { + + _cleanup_free_ char *path = NULL; + char ifindex_str[DECIMAL_STR_MAX(int)]; + int r; + + assert(bus); + assert(ifindex >= 0); + assert(error); + assert(reply); + assert(iface); + assert(propname); + assert(type); + + xsprintf(ifindex_str, "%i", ifindex); + + r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex_str, &path); + if (r < 0) + return r; + + return sd_bus_get_property(bus, "org.freedesktop.network1", path, iface, propname, error, reply, type); +} + +void operational_state_to_color(const char *name, const char *state, const char **on, const char **off) { + if (STRPTR_IN_SET(state, "routable", "enslaved") || + (streq_ptr(name, "lo") && streq_ptr(state, "carrier"))) { + if (on) + *on = ansi_highlight_green(); + if (off) + *off = ansi_normal(); + } else if (streq_ptr(state, "degraded")) { + if (on) + *on = ansi_highlight_yellow(); + if (off) + *off = ansi_normal(); + } else { + if (on) + *on = ""; + if (off) + *off = ""; + } +} + +void setup_state_to_color(const char *state, const char **on, const char **off) { + if (streq_ptr(state, "configured")) { + if (on) + *on = ansi_highlight_green(); + if (off) + *off = ansi_normal(); + } else if (streq_ptr(state, "configuring")) { + if (on) + *on = ansi_highlight_yellow(); + if (off) + *off = ansi_normal(); + } else if (STRPTR_IN_SET(state, "failed", "linger")) { + if (on) + *on = ansi_highlight_red(); + if (off) + *off = ansi_normal(); + } else { + if (on) + *on = ""; + if (off) + *off = ""; + } +} + +void online_state_to_color(const char *state, const char **on, const char **off) { + if (streq_ptr(state, "online")) { + if (on) + *on = ansi_highlight_green(); + if (off) + *off = ansi_normal(); + } else if (streq_ptr(state, "partial")) { + if (on) + *on = ansi_highlight_yellow(); + if (off) + *off = ansi_normal(); + } else { + if (on) + *on = ""; + if (off) + *off = ""; + } +} diff --git a/src/network/networkctl-util.h b/src/network/networkctl-util.h new file mode 100644 index 00000000000..10792152dcd --- /dev/null +++ b/src/network/networkctl-util.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include + +#include "sd-bus.h" +#include "sd-varlink.h" + +int varlink_connect_networkd(sd_varlink **ret_varlink); +bool networkd_is_running(void); +int acquire_bus(sd_bus **ret); +int link_get_property( + sd_bus *bus, + int ifindex, + sd_bus_error *error, + sd_bus_message **reply, + const char *iface, + const char *propname, + const char *type); + +void operational_state_to_color(const char *name, const char *state, const char **on, const char **off); +void setup_state_to_color(const char *state, const char **on, const char **off); +void online_state_to_color(const char *state, const char **on, const char **off); diff --git a/src/network/networkctl.c b/src/network/networkctl.c index 854f73045f1..058d801a6c8 100644 --- a/src/network/networkctl.c +++ b/src/network/networkctl.c @@ -1,88 +1,23 @@ /* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* Make sure the net/if.h header is included before any linux/ one */ -#include -#include #include -#include -#include -#include -#include -#include -#include -#include -#include "sd-bus.h" -#include "sd-device.h" -#include "sd-dhcp-client.h" -#include "sd-hwdb.h" -#include "sd-json.h" -#include "sd-netlink.h" -#include "sd-network.h" -#include "sd-varlink.h" - -#include "alloc-util.h" -#include "bond-util.h" -#include "bridge-util.h" #include "build.h" -#include "bus-common-errors.h" -#include "bus-error.h" -#include "bus-locator.h" -#include "device-util.h" -#include "escape.h" -#include "ether-addr-util.h" -#include "ethtool-util.h" -#include "fd-util.h" -#include "format-table.h" -#include "format-util.h" -#include "fs-util.h" -#include "geneve-util.h" -#include "glob-util.h" -#include "hwdb-util.h" -#include "ipvlan-util.h" -#include "journal-internal.h" -#include "json-util.h" -#include "local-addresses.h" -#include "locale-util.h" -#include "logs-show.h" -#include "macro.h" -#include "macvlan-util.h" #include "main-func.h" -#include "netif-util.h" -#include "netlink-util.h" -#include "network-internal.h" -#include "network-util.h" #include "networkctl.h" +#include "networkctl-address-label.h" #include "networkctl-config-file.h" -#include "pager.h" +#include "networkctl-list.h" +#include "networkctl-lldp.h" +#include "networkctl-misc.h" +#include "networkctl-status-link.h" +#include "networkctl-util.h" #include "parse-argument.h" #include "parse-util.h" -#include "path-lookup.h" #include "path-util.h" #include "pretty-print.h" -#include "set.h" #include "sigbus.h" -#include "socket-netlink.h" -#include "socket-util.h" -#include "sort-util.h" -#include "sparse-endian.h" -#include "stdio-util.h" -#include "string-table.h" -#include "string-util.h" -#include "strv.h" -#include "strxcpyx.h" -#include "terminal-util.h" -#include "udev-util.h" -#include "unit-def.h" -#include "varlink-util.h" #include "verbs.h" -#include "wifi-util.h" - -/* Kernel defines MODULE_NAME_LEN as 64 - sizeof(unsigned long). So, 64 is enough. */ -#define NETDEV_KIND_MAX 64 - -/* use 128 kB for receive socket kernel queue, we shouldn't need more here */ -#define RCVBUF_SIZE (128*1024) PagerFlags arg_pager_flags = 0; bool arg_legend = true; @@ -99,2901 +34,6 @@ bool arg_ask_password = true; STATIC_DESTRUCTOR_REGISTER(arg_drop_in, freep); -static int varlink_connect_networkd(sd_varlink **ret_varlink) { - _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; - sd_json_variant *reply; - uint64_t id; - int r; - - r = sd_varlink_connect_address(&vl, "/run/systemd/netif/io.systemd.Network"); - if (r < 0) - return log_error_errno(r, "Failed to connect to network service /run/systemd/netif/io.systemd.Network: %m"); - - (void) sd_varlink_set_description(vl, "varlink-network"); - - r = sd_varlink_set_allow_fd_passing_output(vl, true); - if (r < 0) - return log_error_errno(r, "Failed to allow passing file descriptor through varlink: %m"); - - r = varlink_call_and_log(vl, "io.systemd.Network.GetNamespaceId", /* parameters= */ NULL, &reply); - if (r < 0) - return r; - - static const sd_json_dispatch_field dispatch_table[] = { - { "NamespaceId", SD_JSON_VARIANT_UNSIGNED, sd_json_dispatch_uint64, 0, SD_JSON_MANDATORY }, - {}, - }; - - r = sd_json_dispatch(reply, dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &id); - if (r < 0) - return r; - - if (id == 0) - log_debug("systemd-networkd.service not running in a network namespace (?), skipping netns check."); - else { - struct stat st; - - if (stat("/proc/self/ns/net", &st) < 0) - return log_error_errno(errno, "Failed to determine our own network namespace ID: %m"); - - if (id != st.st_ino) - return log_error_errno(SYNTHETIC_ERRNO(EREMOTE), - "networkctl must be invoked in same network namespace as systemd-networkd.service."); - } - - if (ret_varlink) - *ret_varlink = TAKE_PTR(vl); - return 0; -} - -bool networkd_is_running(void) { - static int cached = -1; - int r; - - if (cached < 0) { - r = access("/run/systemd/netif/state", F_OK); - if (r < 0) { - if (errno != ENOENT) - log_debug_errno(errno, - "Failed to determine whether networkd is running, assuming it's not: %m"); - - cached = false; - } else - cached = true; - } - - return cached; -} - -int acquire_bus(sd_bus **ret) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - int r; - - assert(ret); - - r = sd_bus_open_system(&bus); - if (r < 0) - return log_error_errno(r, "Failed to connect to system bus: %m"); - - (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password); - - if (networkd_is_running()) { - r = varlink_connect_networkd(/* ret_varlink = */ NULL); - if (r < 0) - return r; - } else - log_warning("systemd-networkd is not running, output might be incomplete."); - - *ret = TAKE_PTR(bus); - return 0; -} - -static int get_description(sd_bus *bus, sd_json_variant **ret) { - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - const char *text; - int r; - - assert(bus); - assert(ret); - - r = bus_call_method(bus, bus_network_mgr, "Describe", &error, &reply, NULL); - if (r < 0) - return log_error_errno(r, "Failed to get description: %s", bus_error_message(&error, r)); - - r = sd_bus_message_read(reply, "s", &text); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_json_parse(text, 0, ret, NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to parse JSON: %m"); - - return 0; -} - -static int dump_manager_description(sd_bus *bus) { - _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL; - int r; - - assert(bus); - - r = get_description(bus, &v); - if (r < 0) - return r; - - sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL); - return 0; -} - -static int dump_link_description(sd_bus *bus, char * const *patterns) { - _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL; - _cleanup_free_ bool *matched_patterns = NULL; - sd_json_variant *i; - size_t c = 0; - int r; - - assert(bus); - assert(patterns); - - r = get_description(bus, &v); - if (r < 0) - return r; - - matched_patterns = new0(bool, strv_length(patterns)); - if (!matched_patterns) - return log_oom(); - - JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(v, "Interfaces")) { - char ifindex_str[DECIMAL_STR_MAX(int64_t)]; - const char *name; - int64_t index; - size_t pos; - - name = sd_json_variant_string(sd_json_variant_by_key(i, "Name")); - index = sd_json_variant_integer(sd_json_variant_by_key(i, "Index")); - xsprintf(ifindex_str, "%" PRIi64, index); - - if (!strv_fnmatch_full(patterns, ifindex_str, 0, &pos) && - !strv_fnmatch_full(patterns, name, 0, &pos)) { - bool match = false; - sd_json_variant *a; - - JSON_VARIANT_ARRAY_FOREACH(a, sd_json_variant_by_key(i, "AlternativeNames")) - if (strv_fnmatch_full(patterns, sd_json_variant_string(a), 0, &pos)) { - match = true; - break; - } - - if (!match) - continue; - } - - matched_patterns[pos] = true; - sd_json_variant_dump(i, arg_json_format_flags, NULL, NULL); - c++; - } - - /* Look if we matched all our arguments that are not globs. It is OK for a glob to match - * nothing, but not for an exact argument. */ - for (size_t pos = 0; pos < strv_length(patterns); pos++) { - if (matched_patterns[pos]) - continue; - - if (string_is_glob(patterns[pos])) - log_debug("Pattern \"%s\" doesn't match any interface, ignoring.", - patterns[pos]); - else - return log_error_errno(SYNTHETIC_ERRNO(ENODEV), - "Interface \"%s\" not found.", patterns[pos]); - } - - if (c == 0) - log_warning("No interfaces matched."); - - return 0; -} - -static void operational_state_to_color( - const char *name, - const char *state, - const char **on, - const char **off) { - - if (STRPTR_IN_SET(state, "routable", "enslaved") || - (streq_ptr(name, "lo") && streq_ptr(state, "carrier"))) { - if (on) - *on = ansi_highlight_green(); - if (off) - *off = ansi_normal(); - } else if (streq_ptr(state, "degraded")) { - if (on) - *on = ansi_highlight_yellow(); - if (off) - *off = ansi_normal(); - } else { - if (on) - *on = ""; - if (off) - *off = ""; - } -} - -static void setup_state_to_color(const char *state, const char **on, const char **off) { - if (streq_ptr(state, "configured")) { - if (on) - *on = ansi_highlight_green(); - if (off) - *off = ansi_normal(); - } else if (streq_ptr(state, "configuring")) { - if (on) - *on = ansi_highlight_yellow(); - if (off) - *off = ansi_normal(); - } else if (STRPTR_IN_SET(state, "failed", "linger")) { - if (on) - *on = ansi_highlight_red(); - if (off) - *off = ansi_normal(); - } else { - if (on) - *on = ""; - if (off) - *off = ""; - } -} - -static void online_state_to_color(const char *state, const char **on, const char **off) { - if (streq_ptr(state, "online")) { - if (on) - *on = ansi_highlight_green(); - if (off) - *off = ansi_normal(); - } else if (streq_ptr(state, "partial")) { - if (on) - *on = ansi_highlight_yellow(); - if (off) - *off = ansi_normal(); - } else { - if (on) - *on = ""; - if (off) - *off = ""; - } -} - -typedef struct VxLanInfo { - uint32_t vni; - uint32_t link; - - int local_family; - int group_family; - - union in_addr_union local; - union in_addr_union group; - - uint16_t dest_port; - - uint8_t proxy; - uint8_t learning; - uint8_t rsc; - uint8_t l2miss; - uint8_t l3miss; - uint8_t tos; - uint8_t ttl; -} VxLanInfo; - -typedef struct LinkInfo { - char name[IFNAMSIZ+1]; - char *netdev_kind; - sd_device *sd_device; - int ifindex; - unsigned short iftype; - struct hw_addr_data hw_address; - struct hw_addr_data permanent_hw_address; - uint32_t master; - uint32_t mtu; - uint32_t min_mtu; - uint32_t max_mtu; - uint32_t tx_queues; - uint32_t rx_queues; - uint8_t addr_gen_mode; - char *qdisc; - char **alternative_names; - - union { - struct rtnl_link_stats64 stats64; - struct rtnl_link_stats stats; - }; - - uint64_t tx_bitrate; - uint64_t rx_bitrate; - - /* bridge info */ - uint32_t forward_delay; - uint32_t hello_time; - uint32_t max_age; - uint32_t ageing_time; - uint32_t stp_state; - uint32_t cost; - uint16_t priority; - uint8_t mcast_igmp_version; - uint8_t port_state; - uint32_t fdb_max_learned; - uint32_t fdb_n_learned; - bool has_fdb_learned; - - /* vxlan info */ - VxLanInfo vxlan_info; - - /* vlan info */ - uint16_t vlan_id; - - /* tunnel info */ - uint8_t ttl; - uint8_t tos; - uint8_t inherit; - uint8_t df; - uint8_t csum; - uint8_t csum6_tx; - uint8_t csum6_rx; - uint16_t tunnel_port; - uint32_t vni; - uint32_t label; - union in_addr_union local; - union in_addr_union remote; - - /* bonding info */ - uint8_t mode; - uint32_t miimon; - uint32_t updelay; - uint32_t downdelay; - - /* macvlan and macvtap info */ - uint32_t macvlan_mode; - - /* ipvlan info */ - uint16_t ipvlan_mode; - uint16_t ipvlan_flags; - - /* ethtool info */ - int autonegotiation; - uint64_t speed; - Duplex duplex; - NetDevPort port; - - /* wlan info */ - enum nl80211_iftype wlan_iftype; - char *ssid; - struct ether_addr bssid; - - bool has_hw_address:1; - bool has_permanent_hw_address:1; - bool has_tx_queues:1; - bool has_rx_queues:1; - bool has_stats64:1; - bool has_stats:1; - bool has_bitrates:1; - bool has_ethtool_link_info:1; - bool has_wlan_link_info:1; - bool has_tunnel_ipv4:1; - bool has_ipv6_address_generation_mode:1; - - bool needs_freeing:1; -} LinkInfo; - -static int link_info_compare(const LinkInfo *a, const LinkInfo *b) { - return CMP(a->ifindex, b->ifindex); -} - -static LinkInfo* link_info_array_free(LinkInfo *array) { - for (unsigned i = 0; array && array[i].needs_freeing; i++) { - sd_device_unref(array[i].sd_device); - free(array[i].netdev_kind); - free(array[i].ssid); - free(array[i].qdisc); - strv_free(array[i].alternative_names); - } - - return mfree(array); -} -DEFINE_TRIVIAL_CLEANUP_FUNC(LinkInfo*, link_info_array_free); - -static int decode_netdev(sd_netlink_message *m, LinkInfo *info) { - int r; - - assert(m); - assert(info); - - r = sd_netlink_message_enter_container(m, IFLA_LINKINFO); - if (r < 0) - return r; - - r = sd_netlink_message_read_string_strdup(m, IFLA_INFO_KIND, &info->netdev_kind); - if (r < 0) { - (void) sd_netlink_message_exit_container(m); - return r; - } - - r = sd_netlink_message_enter_container(m, IFLA_INFO_DATA); - if (r < 0) - return r; - - if (streq(info->netdev_kind, "bridge")) { - (void) sd_netlink_message_read_u32(m, IFLA_BR_FORWARD_DELAY, &info->forward_delay); - (void) sd_netlink_message_read_u32(m, IFLA_BR_HELLO_TIME, &info->hello_time); - (void) sd_netlink_message_read_u32(m, IFLA_BR_MAX_AGE, &info->max_age); - (void) sd_netlink_message_read_u32(m, IFLA_BR_AGEING_TIME, &info->ageing_time); - (void) sd_netlink_message_read_u32(m, IFLA_BR_STP_STATE, &info->stp_state); - (void) sd_netlink_message_read_u32(m, IFLA_BRPORT_COST, &info->cost); - (void) sd_netlink_message_read_u16(m, IFLA_BR_PRIORITY, &info->priority); - (void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version); - (void) sd_netlink_message_read_u8(m, IFLA_BRPORT_STATE, &info->port_state); - if (sd_netlink_message_read_u32(m, IFLA_BR_FDB_MAX_LEARNED, &info->fdb_max_learned) >= 0 && - sd_netlink_message_read_u32(m, IFLA_BR_FDB_N_LEARNED, &info->fdb_n_learned) >= 0) - info->has_fdb_learned = true; - } if (streq(info->netdev_kind, "bond")) { - (void) sd_netlink_message_read_u8(m, IFLA_BOND_MODE, &info->mode); - (void) sd_netlink_message_read_u32(m, IFLA_BOND_MIIMON, &info->miimon); - (void) sd_netlink_message_read_u32(m, IFLA_BOND_DOWNDELAY, &info->downdelay); - (void) sd_netlink_message_read_u32(m, IFLA_BOND_UPDELAY, &info->updelay); - } else if (streq(info->netdev_kind, "vxlan")) { - (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_ID, &info->vxlan_info.vni); - - r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_GROUP, &info->vxlan_info.group.in); - if (r >= 0) - info->vxlan_info.group_family = AF_INET; - else { - r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_GROUP6, &info->vxlan_info.group.in6); - if (r >= 0) - info->vxlan_info.group_family = AF_INET6; - } - - r = sd_netlink_message_read_in_addr(m, IFLA_VXLAN_LOCAL, &info->vxlan_info.local.in); - if (r >= 0) - info->vxlan_info.local_family = AF_INET; - else { - r = sd_netlink_message_read_in6_addr(m, IFLA_VXLAN_LOCAL6, &info->vxlan_info.local.in6); - if (r >= 0) - info->vxlan_info.local_family = AF_INET6; - } - - (void) sd_netlink_message_read_u32(m, IFLA_VXLAN_LINK, &info->vxlan_info.link); - (void) sd_netlink_message_read_u16(m, IFLA_VXLAN_PORT, &info->vxlan_info.dest_port); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_PROXY, &info->vxlan_info.proxy); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_LEARNING, &info->vxlan_info.learning); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_RSC, &info->vxlan_info.rsc); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L3MISS, &info->vxlan_info.l3miss); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_L2MISS, &info->vxlan_info.l2miss); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TOS, &info->vxlan_info.tos); - (void) sd_netlink_message_read_u8(m, IFLA_VXLAN_TTL, &info->vxlan_info.ttl); - } else if (streq(info->netdev_kind, "vlan")) - (void) sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &info->vlan_id); - else if (STR_IN_SET(info->netdev_kind, "ipip", "sit")) { - (void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_LOCAL, &info->local.in); - (void) sd_netlink_message_read_in_addr(m, IFLA_IPTUN_REMOTE, &info->remote.in); - } else if (streq(info->netdev_kind, "geneve")) { - (void) sd_netlink_message_read_u32(m, IFLA_GENEVE_ID, &info->vni); - - r = sd_netlink_message_read_in_addr(m, IFLA_GENEVE_REMOTE, &info->remote.in); - if (r >= 0) - info->has_tunnel_ipv4 = true; - else - (void) sd_netlink_message_read_in6_addr(m, IFLA_GENEVE_REMOTE6, &info->remote.in6); - - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL, &info->ttl); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TTL_INHERIT, &info->inherit); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_TOS, &info->tos); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_DF, &info->df); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_CSUM, &info->csum); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, &info->csum6_tx); - (void) sd_netlink_message_read_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, &info->csum6_rx); - (void) sd_netlink_message_read_u16(m, IFLA_GENEVE_PORT, &info->tunnel_port); - (void) sd_netlink_message_read_u32(m, IFLA_GENEVE_LABEL, &info->label); - } else if (STR_IN_SET(info->netdev_kind, "gre", "gretap", "erspan")) { - (void) sd_netlink_message_read_in_addr(m, IFLA_GRE_LOCAL, &info->local.in); - (void) sd_netlink_message_read_in_addr(m, IFLA_GRE_REMOTE, &info->remote.in); - } else if (STR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan")) { - (void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_LOCAL, &info->local.in6); - (void) sd_netlink_message_read_in6_addr(m, IFLA_GRE_REMOTE, &info->remote.in6); - } else if (streq(info->netdev_kind, "vti")) { - (void) sd_netlink_message_read_in_addr(m, IFLA_VTI_LOCAL, &info->local.in); - (void) sd_netlink_message_read_in_addr(m, IFLA_VTI_REMOTE, &info->remote.in); - } else if (streq(info->netdev_kind, "vti6")) { - (void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_LOCAL, &info->local.in6); - (void) sd_netlink_message_read_in6_addr(m, IFLA_VTI_REMOTE, &info->remote.in6); - } else if (STR_IN_SET(info->netdev_kind, "macvlan", "macvtap")) - (void) sd_netlink_message_read_u32(m, IFLA_MACVLAN_MODE, &info->macvlan_mode); - else if (streq(info->netdev_kind, "ipvlan")) { - (void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_MODE, &info->ipvlan_mode); - (void) sd_netlink_message_read_u16(m, IFLA_IPVLAN_FLAGS, &info->ipvlan_flags); - } - - (void) sd_netlink_message_exit_container(m); - (void) sd_netlink_message_exit_container(m); - - return 0; -} - -static int decode_link( - sd_netlink_message *m, - LinkInfo *info, - char * const *patterns, - bool matched_patterns[]) { - - _cleanup_strv_free_ char **altnames = NULL; - const char *name, *qdisc; - int ifindex, r; - uint16_t type; - - assert(m); - assert(info); - - r = sd_netlink_message_get_type(m, &type); - if (r < 0) - return r; - - if (type != RTM_NEWLINK) - return 0; - - r = sd_rtnl_message_link_get_ifindex(m, &ifindex); - if (r < 0) - return r; - - r = sd_netlink_message_read_string(m, IFLA_IFNAME, &name); - if (r < 0) - return r; - - r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &altnames); - if (r < 0 && r != -ENODATA) - return r; - - if (patterns) { - char str[DECIMAL_STR_MAX(int)]; - size_t pos; - - assert(matched_patterns); - - xsprintf(str, "%i", ifindex); - if (!strv_fnmatch_full(patterns, str, 0, &pos) && - !strv_fnmatch_full(patterns, name, 0, &pos)) { - bool match = false; - - STRV_FOREACH(p, altnames) - if (strv_fnmatch_full(patterns, *p, 0, &pos)) { - match = true; - break; - } - if (!match) - return 0; - } - - matched_patterns[pos] = true; - } - - r = sd_rtnl_message_link_get_type(m, &info->iftype); - if (r < 0) - return r; - - strscpy(info->name, sizeof info->name, name); - info->ifindex = ifindex; - info->alternative_names = TAKE_PTR(altnames); - - info->has_hw_address = - netlink_message_read_hw_addr(m, IFLA_ADDRESS, &info->hw_address) >= 0 && - info->hw_address.length > 0; - - info->has_permanent_hw_address = - (netlink_message_read_hw_addr(m, IFLA_PERM_ADDRESS, &info->permanent_hw_address) >= 0 || - ethtool_get_permanent_hw_addr(NULL, info->name, &info->permanent_hw_address) >= 0) && - !hw_addr_is_null(&info->permanent_hw_address) && - !hw_addr_equal(&info->permanent_hw_address, &info->hw_address); - - (void) sd_netlink_message_read_u32(m, IFLA_MTU, &info->mtu); - (void) sd_netlink_message_read_u32(m, IFLA_MIN_MTU, &info->min_mtu); - (void) sd_netlink_message_read_u32(m, IFLA_MAX_MTU, &info->max_mtu); - - info->has_rx_queues = - sd_netlink_message_read_u32(m, IFLA_NUM_RX_QUEUES, &info->rx_queues) >= 0 && - info->rx_queues > 0; - - info->has_tx_queues = - sd_netlink_message_read_u32(m, IFLA_NUM_TX_QUEUES, &info->tx_queues) >= 0 && - info->tx_queues > 0; - - if (sd_netlink_message_read(m, IFLA_STATS64, sizeof info->stats64, &info->stats64) >= 0) - info->has_stats64 = true; - else if (sd_netlink_message_read(m, IFLA_STATS, sizeof info->stats, &info->stats) >= 0) - info->has_stats = true; - - r = sd_netlink_message_read_string(m, IFLA_QDISC, &qdisc); - if (r >= 0) { - info->qdisc = strdup(qdisc); - if (!info->qdisc) - return log_oom(); - } - - (void) sd_netlink_message_read_u32(m, IFLA_MASTER, &info->master); - - r = sd_netlink_message_enter_container(m, IFLA_AF_SPEC); - if (r >= 0) { - r = sd_netlink_message_enter_container(m, AF_INET6); - if (r >= 0) { - r = sd_netlink_message_read_u8(m, IFLA_INET6_ADDR_GEN_MODE, &info->addr_gen_mode); - if (r >= 0 && IN_SET(info->addr_gen_mode, - IN6_ADDR_GEN_MODE_EUI64, - IN6_ADDR_GEN_MODE_NONE, - IN6_ADDR_GEN_MODE_STABLE_PRIVACY, - IN6_ADDR_GEN_MODE_RANDOM)) - info->has_ipv6_address_generation_mode = true; - - (void) sd_netlink_message_exit_container(m); - } - (void) sd_netlink_message_exit_container(m); - } - - /* fill kind info */ - (void) decode_netdev(m, info); - - return 1; -} - -static int link_get_property( - sd_bus *bus, - const LinkInfo *link, - sd_bus_error *error, - sd_bus_message **reply, - const char *iface, - const char *propname, - const char *type) { - - _cleanup_free_ char *path = NULL; - char ifindex_str[DECIMAL_STR_MAX(int)]; - int r; - - assert(bus); - assert(link); - assert(link->ifindex >= 0); - assert(error); - assert(reply); - assert(iface); - assert(propname); - assert(type); - - xsprintf(ifindex_str, "%i", link->ifindex); - - r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex_str, &path); - if (r < 0) - return r; - - return sd_bus_get_property(bus, "org.freedesktop.network1", path, iface, propname, error, reply, type); -} - -static int acquire_link_bitrates(sd_bus *bus, LinkInfo *link) { - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int r; - - assert(bus); - assert(link); - - r = link_get_property(bus, link, &error, &reply, "org.freedesktop.network1.Link", "BitRates", "(tt)"); - if (r < 0) { - bool quiet = sd_bus_error_has_names(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY, - BUS_ERROR_SPEED_METER_INACTIVE); - - return log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING, - r, "Failed to query link bit rates: %s", bus_error_message(&error, r)); - } - - r = sd_bus_message_read(reply, "(tt)", &link->tx_bitrate, &link->rx_bitrate); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - - link->has_bitrates = link->tx_bitrate != UINT64_MAX && link->rx_bitrate != UINT64_MAX; - - return 0; -} - -static void acquire_ether_link_info(int *fd, LinkInfo *link) { - assert(fd); - assert(link); - - if (ethtool_get_link_info(fd, - link->name, - &link->autonegotiation, - &link->speed, - &link->duplex, - &link->port) >= 0) - link->has_ethtool_link_info = true; -} - -static void acquire_wlan_link_info(LinkInfo *link) { - _cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL; - int r, k = 0; - - assert(link); - - if (!link->sd_device) - return; - - if (!device_is_devtype(link->sd_device, "wlan")) - return; - - r = sd_genl_socket_open(&genl); - if (r < 0) { - log_debug_errno(r, "Failed to open generic netlink socket: %m"); - return; - } - - (void) sd_netlink_increase_rxbuf(genl, RCVBUF_SIZE); - - r = wifi_get_interface(genl, link->ifindex, &link->wlan_iftype, &link->ssid); - if (r < 0) - log_debug_errno(r, "%s: failed to query ssid: %m", link->name); - - if (link->wlan_iftype == NL80211_IFTYPE_STATION) { - k = wifi_get_station(genl, link->ifindex, &link->bssid); - if (k < 0) - log_debug_errno(k, "%s: failed to query bssid: %m", link->name); - } - - link->has_wlan_link_info = r > 0 || k > 0; -} - -static int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char * const *patterns, LinkInfo **ret) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; - _cleanup_(link_info_array_freep) LinkInfo *links = NULL; - _cleanup_free_ bool *matched_patterns = NULL; - _cleanup_close_ int fd = -EBADF; - size_t c = 0; - int r; - - assert(rtnl); - assert(ret); - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_netlink_message_set_request_dump(req, true); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_netlink_call(rtnl, req, 0, &reply); - if (r < 0) - return log_error_errno(r, "Failed to enumerate links: %m"); - - if (patterns) { - matched_patterns = new0(bool, strv_length(patterns)); - if (!matched_patterns) - return log_oom(); - } - - for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) { - if (!GREEDY_REALLOC0(links, c + 2)) /* We keep one trailing one as marker */ - return -ENOMEM; - - r = decode_link(i, links + c, patterns, matched_patterns); - if (r < 0) - return r; - if (r == 0) - continue; - - links[c].needs_freeing = true; - - (void) sd_device_new_from_ifindex(&links[c].sd_device, links[c].ifindex); - - acquire_ether_link_info(&fd, &links[c]); - acquire_wlan_link_info(&links[c]); - - c++; - } - - /* Look if we matched all our arguments that are not globs. It - * is OK for a glob to match nothing, but not for an exact argument. */ - for (size_t pos = 0; pos < strv_length(patterns); pos++) { - if (matched_patterns[pos]) - continue; - - if (string_is_glob(patterns[pos])) - log_debug("Pattern \"%s\" doesn't match any interface, ignoring.", - patterns[pos]); - else - return log_error_errno(SYNTHETIC_ERRNO(ENODEV), - "Interface \"%s\" not found.", patterns[pos]); - } - - typesafe_qsort(links, c, link_info_compare); - - if (bus) - FOREACH_ARRAY(link, links, c) - (void) acquire_link_bitrates(bus, link); - - *ret = TAKE_PTR(links); - - if (patterns && c == 0) - log_warning("No interfaces matched."); - - return (int) c; -} - -static int list_links(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - _cleanup_(link_info_array_freep) LinkInfo *links = NULL; - _cleanup_(table_unrefp) Table *table = NULL; - TableCell *cell; - int c, r; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - if (arg_json_format_flags != SD_JSON_FORMAT_OFF) { - if (arg_all || argc <= 1) - return dump_manager_description(bus); - else - return dump_link_description(bus, strv_skip(argv, 1)); - } - - r = sd_netlink_open(&rtnl); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links); - if (c < 0) - return c; - - pager_open(arg_pager_flags); - - table = table_new("idx", "link", "type", "operational", "setup"); - if (!table) - return log_oom(); - - if (arg_full) - table_set_width(table, 0); - - table_set_header(table, arg_legend); - table_set_ersatz_string(table, TABLE_ERSATZ_DASH); - - assert_se(cell = table_get_cell(table, 0, 0)); - (void) table_set_minimum_width(table, cell, 3); - (void) table_set_weight(table, cell, 0); - (void) table_set_ellipsize_percent(table, cell, 100); - (void) table_set_align_percent(table, cell, 100); - - assert_se(cell = table_get_cell(table, 0, 1)); - (void) table_set_ellipsize_percent(table, cell, 100); - - FOREACH_ARRAY(link, links, c) { - _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; - _cleanup_free_ char *t = NULL; - const char *on_color_operational, *on_color_setup; - - (void) sd_network_link_get_operational_state(link->ifindex, &operational_state); - operational_state_to_color(link->name, operational_state, &on_color_operational, NULL); - - (void) sd_network_link_get_setup_state(link->ifindex, &setup_state); - setup_state_to_color(setup_state, &on_color_setup, NULL); - - r = net_get_type_string(link->sd_device, link->iftype, &t); - if (r == -ENOMEM) - return log_oom(); - - r = table_add_many(table, - TABLE_INT, link->ifindex, - TABLE_STRING, link->name, - TABLE_STRING, t, - TABLE_STRING, operational_state, - TABLE_SET_COLOR, on_color_operational, - TABLE_STRING, setup_state ?: "unmanaged", - TABLE_SET_COLOR, on_color_setup); - if (r < 0) - return table_log_add_error(r); - } - - r = table_print(table, NULL); - if (r < 0) - return table_log_print_error(r); - - if (arg_legend) - printf("\n%i links listed.\n", c); - - return 0; -} - -/* IEEE Organizationally Unique Identifier vendor string */ -static int ieee_oui(sd_hwdb *hwdb, const struct ether_addr *mac, char **ret) { - _cleanup_free_ char *desc = NULL; - const char *description; - char modalias[STRLEN("OUI:XXYYXXYYXXYY") + 1]; - int r; - - assert(ret); - - if (!hwdb || !mac) - return -EINVAL; - - /* skip commonly misused 00:00:00 (Xerox) prefix */ - if (memcmp(mac, "\0\0\0", 3) == 0) - return -EINVAL; - - xsprintf(modalias, "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac)); - - r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description); - if (r < 0) - return r; - - desc = strdup(description); - if (!desc) - return -ENOMEM; - - *ret = TAKE_PTR(desc); - - return 0; -} - -static int get_gateway_description( - sd_netlink *rtnl, - sd_hwdb *hwdb, - int ifindex, - int family, - union in_addr_union *gateway, - char **ret) { - - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; - int r; - - assert(rtnl); - assert(ifindex >= 0); - assert(IN_SET(family, AF_INET, AF_INET6)); - assert(gateway); - assert(ret); - - r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family); - if (r < 0) - return r; - - r = sd_netlink_message_set_request_dump(req, true); - if (r < 0) - return r; - - r = sd_netlink_call(rtnl, req, 0, &reply); - if (r < 0) - return r; - - for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) { - union in_addr_union gw = IN_ADDR_NULL; - struct ether_addr mac = ETHER_ADDR_NULL; - uint16_t type; - int ifi, fam; - - r = sd_netlink_message_get_errno(m); - if (r < 0) { - log_error_errno(r, "Failed to get netlink message, ignoring: %m"); - continue; - } - - r = sd_netlink_message_get_type(m, &type); - if (r < 0) { - log_error_errno(r, "Failed to get netlink message type, ignoring: %m"); - continue; - } - - if (type != RTM_NEWNEIGH) { - log_error("Got unexpected netlink message type %u, ignoring.", type); - continue; - } - - r = sd_rtnl_message_neigh_get_family(m, &fam); - if (r < 0) { - log_error_errno(r, "Failed to get rtnl family, ignoring: %m"); - continue; - } - - if (fam != family) { - log_error("Got invalid rtnl family %d, ignoring.", fam); - continue; - } - - r = sd_rtnl_message_neigh_get_ifindex(m, &ifi); - if (r < 0) { - log_error_errno(r, "Failed to get rtnl ifindex, ignoring: %m"); - continue; - } - - if (ifindex > 0 && ifi != ifindex) - continue; - - switch (fam) { - - case AF_INET: - r = sd_netlink_message_read_in_addr(m, NDA_DST, &gw.in); - if (r < 0) - continue; - - break; - - case AF_INET6: - r = sd_netlink_message_read_in6_addr(m, NDA_DST, &gw.in6); - if (r < 0) - continue; - - break; - - default: - assert_not_reached(); - } - - if (!in_addr_equal(fam, &gw, gateway)) - continue; - - r = sd_netlink_message_read(m, NDA_LLADDR, sizeof(mac), &mac); - if (r < 0) - continue; - - r = ieee_oui(hwdb, &mac, ret); - if (r < 0) - continue; - - return 0; - } - - return -ENODATA; -} - -static int dump_list(Table *table, const char *key, char * const *l) { - int r; - - assert(table); - assert(key); - - if (strv_isempty(l)) - return 0; - - r = table_add_many(table, - TABLE_FIELD, key, - TABLE_STRV, l); - if (r < 0) - return table_log_add_error(r); - - return 0; -} - -static int dump_gateways(sd_netlink *rtnl, sd_hwdb *hwdb, Table *table, int ifindex) { - _cleanup_free_ struct local_address *local_addrs = NULL; - _cleanup_strv_free_ char **buf = NULL; - int r, n; - - assert(rtnl); - assert(table); - - n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local_addrs); - if (n <= 0) - return n; - - FOREACH_ARRAY(local, local_addrs, n) { - _cleanup_free_ char *description = NULL; - - r = get_gateway_description(rtnl, hwdb, local->ifindex, local->family, &local->address, &description); - if (r < 0) - log_debug_errno(r, "Could not get description of gateway, ignoring: %m"); - - /* Show interface name for the entry if we show entries for all interfaces */ - r = strv_extendf(&buf, "%s%s%s%s%s%s", - IN_ADDR_TO_STRING(local->family, &local->address), - description ? " (" : "", - strempty(description), - description ? ")" : "", - ifindex <= 0 ? " on " : "", - ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : ""); - if (r < 0) - return log_oom(); - } - - return dump_list(table, "Gateway", buf); -} - -static int dump_addresses( - sd_netlink *rtnl, - sd_dhcp_lease *lease, - Table *table, - int ifindex) { - - _cleanup_free_ struct local_address *local_addrs = NULL; - _cleanup_strv_free_ char **buf = NULL; - struct in_addr dhcp4_address = {}; - int r, n; - - assert(rtnl); - assert(table); - - n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local_addrs); - if (n <= 0) - return n; - - if (lease) - (void) sd_dhcp_lease_get_address(lease, &dhcp4_address); - - FOREACH_ARRAY(local, local_addrs, n) { - struct in_addr server_address; - bool dhcp4 = false; - - if (local->family == AF_INET && in4_addr_equal(&local->address.in, &dhcp4_address)) - dhcp4 = sd_dhcp_lease_get_server_identifier(lease, &server_address) >= 0; - - r = strv_extendf(&buf, "%s%s%s%s%s%s", - IN_ADDR_TO_STRING(local->family, &local->address), - dhcp4 ? " (DHCPv4 via " : "", - dhcp4 ? IN4_ADDR_TO_STRING(&server_address) : "", - dhcp4 ? ")" : "", - ifindex <= 0 ? " on " : "", - ifindex <= 0 ? FORMAT_IFNAME_FULL(local->ifindex, FORMAT_IFNAME_IFINDEX_WITH_PERCENT) : ""); - if (r < 0) - return log_oom(); - } - - return dump_list(table, "Address", buf); -} - -static int dump_address_labels(sd_netlink *rtnl) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; - _cleanup_(table_unrefp) Table *table = NULL; - TableCell *cell; - int r; - - assert(rtnl); - - r = sd_rtnl_message_new_addrlabel(rtnl, &req, RTM_GETADDRLABEL, 0, AF_INET6); - if (r < 0) - return log_error_errno(r, "Could not allocate RTM_GETADDRLABEL message: %m"); - - r = sd_netlink_message_set_request_dump(req, true); - if (r < 0) - return r; - - r = sd_netlink_call(rtnl, req, 0, &reply); - if (r < 0) - return r; - - table = table_new("label", "prefix/prefixlen"); - if (!table) - return log_oom(); - - if (arg_full) - table_set_width(table, 0); - - r = table_set_sort(table, (size_t) 0); - if (r < 0) - return r; - - assert_se(cell = table_get_cell(table, 0, 0)); - (void) table_set_align_percent(table, cell, 100); - (void) table_set_ellipsize_percent(table, cell, 100); - - assert_se(cell = table_get_cell(table, 0, 1)); - (void) table_set_align_percent(table, cell, 100); - - for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) { - struct in6_addr prefix; - uint8_t prefixlen; - uint32_t label; - - r = sd_netlink_message_get_errno(m); - if (r < 0) { - log_error_errno(r, "Failed to get netlink message, ignoring: %m"); - continue; - } - - r = sd_netlink_message_read_u32(m, IFAL_LABEL, &label); - if (r < 0 && r != -ENODATA) { - log_error_errno(r, "Could not read IFAL_LABEL, ignoring: %m"); - continue; - } - - r = sd_netlink_message_read_in6_addr(m, IFAL_ADDRESS, &prefix); - if (r < 0) - continue; - - r = sd_rtnl_message_addrlabel_get_prefixlen(m, &prefixlen); - if (r < 0) - continue; - - r = table_add_cell(table, NULL, TABLE_UINT32, &label); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%s/%u", IN6_ADDR_TO_STRING(&prefix), prefixlen); - if (r < 0) - return table_log_add_error(r); - } - - r = table_print(table, NULL); - if (r < 0) - return table_log_print_error(r); - - return 0; -} - -static int list_address_labels(int argc, char *argv[], void *userdata) { - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - int r; - - r = sd_netlink_open(&rtnl); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - return dump_address_labels(rtnl); -} - -typedef struct InterfaceInfo { - int ifindex; - const char *ifname; - char **altnames; - sd_json_variant *v; -} InterfaceInfo; - -static void interface_info_done(InterfaceInfo *p) { - if (!p) - return; - - strv_free(p->altnames); - sd_json_variant_unref(p->v); -} - -static const sd_json_dispatch_field interface_info_dispatch_table[] = { - { "InterfaceIndex", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_int, offsetof(InterfaceInfo, ifindex), SD_JSON_MANDATORY }, - { "InterfaceName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(InterfaceInfo, ifname), SD_JSON_MANDATORY }, - { "InterfaceAlternativeNames", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_strv, offsetof(InterfaceInfo, altnames), 0 }, - { "Neighbors", SD_JSON_VARIANT_ARRAY, sd_json_dispatch_variant, offsetof(InterfaceInfo, v), 0 }, - {}, -}; - -typedef struct LLDPNeighborInfo { - const char *chassis_id; - const char *port_id; - const char *port_description; - const char *system_name; - const char *system_description; - uint16_t capabilities; -} LLDPNeighborInfo; - -static const sd_json_dispatch_field lldp_neighbor_dispatch_table[] = { - { "ChassisID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, chassis_id), 0 }, - { "PortID", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_id), 0 }, - { "PortDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, port_description), 0 }, - { "SystemName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_name), 0 }, - { "SystemDescription", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(LLDPNeighborInfo, system_description), 0 }, - { "EnabledCapabilities", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint16, offsetof(LLDPNeighborInfo, capabilities), 0 }, - {}, -}; - -static int dump_lldp_neighbors(sd_varlink *vl, Table *table, int ifindex) { - _cleanup_strv_free_ char **buf = NULL; - sd_json_variant *reply; - int r; - - assert(vl); - assert(table); - assert(ifindex > 0); - - r = varlink_callbo_and_log( - vl, - "io.systemd.Network.GetLLDPNeighbors", - &reply, - SD_JSON_BUILD_PAIR_INTEGER("InterfaceIndex", ifindex)); - if (r < 0) - return r; - - sd_json_variant *i; - JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { - _cleanup_(interface_info_done) InterfaceInfo info = {}; - - r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); - if (r < 0) - return r; - - if (info.ifindex != ifindex) - continue; - - sd_json_variant *neighbor; - JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) { - LLDPNeighborInfo neighbor_info = {}; - - r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info); - if (r < 0) - return r; - - r = strv_extendf(&buf, "%s%s%s%s on port %s%s%s%s", - strna(neighbor_info.system_name), - isempty(neighbor_info.system_description) ? "" : " (", - strempty(neighbor_info.system_description), - isempty(neighbor_info.system_description) ? "" : ")", - strna(neighbor_info.port_id), - isempty(neighbor_info.port_description) ? "" : " (", - strempty(neighbor_info.port_description), - isempty(neighbor_info.port_description) ? "" : ")"); - if (r < 0) - return log_oom(); - } - } - - return dump_list(table, "Connected To", buf); -} - -static int dump_dhcp_leases(Table *table, const char *prefix, sd_bus *bus, const LinkInfo *link) { - _cleanup_strv_free_ char **buf = NULL; - _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int r; - - assert(table); - assert(prefix); - assert(bus); - assert(link); - - r = link_get_property(bus, link, &error, &reply, "org.freedesktop.network1.DHCPServer", "Leases", "a(uayayayayt)"); - if (r < 0) { - bool quiet = sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY); - - log_full_errno(quiet ? LOG_DEBUG : LOG_WARNING, - r, "Failed to query link DHCP leases: %s", bus_error_message(&error, r)); - return 0; - } - - r = sd_bus_message_enter_container(reply, 'a', "(uayayayayt)"); - if (r < 0) - return bus_log_parse_error(r); - - while ((r = sd_bus_message_enter_container(reply, 'r', "uayayayayt")) > 0) { - _cleanup_free_ char *id = NULL, *ip = NULL; - const void *client_id, *addr, *gtw, *hwaddr; - size_t client_id_sz, sz; - uint64_t expiration; - uint32_t family; - - r = sd_bus_message_read(reply, "u", &family); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_read_array(reply, 'y', &client_id, &client_id_sz); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_read_array(reply, 'y', &addr, &sz); - if (r < 0 || sz != 4) - return bus_log_parse_error(r); - - r = sd_bus_message_read_array(reply, 'y', >w, &sz); - if (r < 0 || sz != 4) - return bus_log_parse_error(r); - - r = sd_bus_message_read_array(reply, 'y', &hwaddr, &sz); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_read_basic(reply, 't', &expiration); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_dhcp_client_id_to_string_from_raw(client_id, client_id_sz, &id); - if (r < 0) - return bus_log_parse_error(r); - - r = in_addr_to_string(family, addr, &ip); - if (r < 0) - return bus_log_parse_error(r); - - r = strv_extendf(&buf, "%s (to %s)", ip, id); - if (r < 0) - return log_oom(); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - } - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - return bus_log_parse_error(r); - - if (strv_isempty(buf)) { - r = strv_extendf(&buf, "none"); - if (r < 0) - return log_oom(); - } - - return dump_list(table, prefix, buf); -} - -static int dump_ifindexes(Table *table, const char *prefix, const int *ifindexes) { - int r; - - assert(table); - assert(prefix); - - if (!ifindexes) - return 0; - - for (unsigned c = 0; ifindexes[c] > 0; c++) { - if (c == 0) - r = table_add_cell(table, NULL, TABLE_FIELD, prefix); - else - r = table_add_cell(table, NULL, TABLE_EMPTY, NULL); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell(table, NULL, TABLE_IFINDEX, &ifindexes[c]); - if (r < 0) - return table_log_add_error(r); - } - - return 0; -} - -#define DUMP_STATS_ONE(name, val_name) \ - ({ \ - r = table_add_cell(table, NULL, TABLE_FIELD, name); \ - if (r < 0) \ - return table_log_add_error(r); \ - r = table_add_cell(table, NULL, \ - info->has_stats64 ? TABLE_UINT64 : TABLE_UINT32, \ - info->has_stats64 ? (void*) &info->stats64.val_name : (void*) &info->stats.val_name); \ - if (r < 0) \ - return table_log_add_error(r); \ - }) - -static int dump_statistics(Table *table, const LinkInfo *info) { - int r; - - assert(table); - assert(info); - - if (!arg_stats) - return 0; - - if (!info->has_stats64 && !info->has_stats) - return 0; - - DUMP_STATS_ONE("Rx Packets", rx_packets); - DUMP_STATS_ONE("Tx Packets", tx_packets); - DUMP_STATS_ONE("Rx Bytes", rx_bytes); - DUMP_STATS_ONE("Tx Bytes", tx_bytes); - DUMP_STATS_ONE("Rx Errors", rx_errors); - DUMP_STATS_ONE("Tx Errors", tx_errors); - DUMP_STATS_ONE("Rx Dropped", rx_dropped); - DUMP_STATS_ONE("Tx Dropped", tx_dropped); - DUMP_STATS_ONE("Multicast Packets", multicast); - DUMP_STATS_ONE("Collisions", collisions); - - return 0; -} - -static int dump_hw_address(Table *table, sd_hwdb *hwdb, const char *field, const struct hw_addr_data *addr) { - _cleanup_free_ char *description = NULL; - int r; - - assert(table); - assert(field); - assert(addr); - - if (addr->length == ETH_ALEN) - (void) ieee_oui(hwdb, &addr->ether, &description); - - r = table_add_cell(table, NULL, TABLE_FIELD, field); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%s%s%s%s", - HW_ADDR_TO_STR(addr), - description ? " (" : "", - strempty(description), - description ? ")" : ""); - if (r < 0) - return table_log_add_error(r); - - return 0; -} - -static OutputFlags get_output_flags(void) { - return - arg_all * OUTPUT_SHOW_ALL | - (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | - colors_enabled() * OUTPUT_COLOR; -} - -static int show_logs(const LinkInfo *info) { - _cleanup_(sd_journal_closep) sd_journal *j = NULL; - int r; - - if (arg_lines == 0) - return 0; - - r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_ASSUME_IMMUTABLE); - if (r < 0) - return log_error_errno(r, "Failed to open journal: %m"); - - r = add_match_this_boot(j, NULL); - if (r < 0) - return log_error_errno(r, "Failed to add boot matches: %m"); - - if (info) { - (void) ( - (r = journal_add_matchf(j, "_KERNEL_DEVICE=n%i", info->ifindex)) || /* kernel */ - (r = sd_journal_add_disjunction(j)) || - (r = journal_add_match_pair(j, "INTERFACE", info->name)) || /* networkd */ - (r = sd_journal_add_disjunction(j)) || - (r = journal_add_match_pair(j, "DEVICE", info->name)) /* udevd */ - ); - if (r < 0) - return log_error_errno(r, "Failed to add link matches: %m"); - } else { - r = add_matches_for_unit(j, "systemd-networkd.service"); - if (r < 0) - return log_error_errno(r, "Failed to add unit matches: %m"); - - r = add_matches_for_unit(j, "systemd-networkd-wait-online.service"); - if (r < 0) - return log_error_errno(r, "Failed to add unit matches: %m"); - } - - return show_journal( - stdout, - j, - OUTPUT_SHORT, - 0, - 0, - arg_lines, - get_output_flags() | OUTPUT_BEGIN_NEWLINE, - NULL); -} - -static int table_add_string_line(Table *table, const char *key, const char *value) { - int r; - - assert(table); - assert(key); - - if (isempty(value)) - return 0; - - r = table_add_many(table, - TABLE_FIELD, key, - TABLE_STRING, value); - if (r < 0) - return table_log_add_error(r); - - return 0; -} - -static int format_dropins(char **dropins) { - STRV_FOREACH(d, dropins) { - _cleanup_free_ char *s = NULL; - int glyph = *(d + 1) == NULL ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH; - - s = strjoin(special_glyph(glyph), *d); - if (!s) - return log_oom(); - - free_and_replace(*d, s); - } - - return 0; -} - -static int link_status_one( - sd_bus *bus, - sd_netlink *rtnl, - sd_hwdb *hwdb, - sd_varlink *vl, - const LinkInfo *info) { - - _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **sip = NULL, **search_domains = NULL, - **route_domains = NULL, **link_dropins = NULL, **network_dropins = NULL; - _cleanup_free_ char *t = NULL, *network = NULL, *iaid = NULL, *duid = NULL, *captive_portal = NULL, - *setup_state = NULL, *operational_state = NULL, *online_state = NULL, *activation_policy = NULL; - const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL, - *on_color_operational, *off_color_operational, *on_color_setup, *off_color_setup, *on_color_online; - _cleanup_free_ int *carrier_bound_to = NULL, *carrier_bound_by = NULL; - _cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL; - _cleanup_(table_unrefp) Table *table = NULL; - int r; - - assert(bus); - assert(rtnl); - assert(vl); - assert(info); - - (void) sd_network_link_get_operational_state(info->ifindex, &operational_state); - operational_state_to_color(info->name, operational_state, &on_color_operational, &off_color_operational); - - (void) sd_network_link_get_online_state(info->ifindex, &online_state); - online_state_to_color(online_state, &on_color_online, NULL); - - (void) sd_network_link_get_setup_state(info->ifindex, &setup_state); - setup_state_to_color(setup_state, &on_color_setup, &off_color_setup); - - (void) sd_network_link_get_dns(info->ifindex, &dns); - (void) sd_network_link_get_search_domains(info->ifindex, &search_domains); - (void) sd_network_link_get_route_domains(info->ifindex, &route_domains); - (void) sd_network_link_get_ntp(info->ifindex, &ntp); - (void) sd_network_link_get_sip(info->ifindex, &sip); - (void) sd_network_link_get_captive_portal(info->ifindex, &captive_portal); - (void) sd_network_link_get_network_file(info->ifindex, &network); - (void) sd_network_link_get_network_file_dropins(info->ifindex, &network_dropins); - (void) sd_network_link_get_carrier_bound_to(info->ifindex, &carrier_bound_to); - (void) sd_network_link_get_carrier_bound_by(info->ifindex, &carrier_bound_by); - (void) sd_network_link_get_activation_policy(info->ifindex, &activation_policy); - - if (info->sd_device) { - const char *joined; - - (void) sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE", &link); - - if (sd_device_get_property_value(info->sd_device, "ID_NET_LINK_FILE_DROPINS", &joined) >= 0) { - r = strv_split_full(&link_dropins, joined, ":", EXTRACT_CUNESCAPE); - if (r < 0) - return r; - } - - (void) sd_device_get_property_value(info->sd_device, "ID_NET_DRIVER", &driver); - (void) sd_device_get_property_value(info->sd_device, "ID_PATH", &path); - (void) device_get_vendor_string(info->sd_device, &vendor); - (void) device_get_model_string(info->sd_device, &model); - } - - r = net_get_type_string(info->sd_device, info->iftype, &t); - if (r == -ENOMEM) - return log_oom(); - - char lease_file[STRLEN("/run/systemd/netif/leases/") + DECIMAL_STR_MAX(int)]; - xsprintf(lease_file, "/run/systemd/netif/leases/%i", info->ifindex); - - (void) dhcp_lease_load(&lease, lease_file); - - r = format_dropins(network_dropins); - if (r < 0) - return r; - - if (strv_prepend(&network_dropins, network) < 0) - return log_oom(); - - r = format_dropins(link_dropins); - if (r < 0) - return r; - - if (strv_prepend(&link_dropins, link) < 0) - return log_oom(); - - table = table_new_vertical(); - if (!table) - return log_oom(); - - if (arg_full) - table_set_width(table, 0); - - /* unit files and basic states. */ - r = table_add_many(table, - TABLE_FIELD, "Link File", - TABLE_STRV, link_dropins ?: STRV_MAKE("n/a"), - TABLE_FIELD, "Network File", - TABLE_STRV, network_dropins ?: STRV_MAKE("n/a"), - TABLE_FIELD, "State"); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%s%s%s (%s%s%s)", - on_color_operational, strna(operational_state), off_color_operational, - on_color_setup, setup_state ?: "unmanaged", off_color_setup); - if (r < 0) - return table_log_add_error(r); - - r = table_add_many(table, - TABLE_FIELD, "Online state", - TABLE_STRING, online_state ?: "unknown", - TABLE_SET_COLOR, on_color_online); - if (r < 0) - return table_log_add_error(r); - - r = table_add_string_line(table, "Type", t); - if (r < 0) - return r; - - r = table_add_string_line(table, "Kind", info->netdev_kind); - if (r < 0) - return r; - - r = table_add_string_line(table, "Path", path); - if (r < 0) - return r; - - r = table_add_string_line(table, "Driver", driver); - if (r < 0) - return r; - - r = table_add_string_line(table, "Vendor", vendor); - if (r < 0) - return r; - - r = table_add_string_line(table, "Model", model); - if (r < 0) - return r; - - strv_sort(info->alternative_names); - r = dump_list(table, "Alternative Names", info->alternative_names); - if (r < 0) - return r; - - if (info->has_hw_address) { - r = dump_hw_address(table, hwdb, "Hardware Address", &info->hw_address); - if (r < 0) - return r; - } - - if (info->has_permanent_hw_address) { - r = dump_hw_address(table, hwdb, "Permanent Hardware Address", &info->permanent_hw_address); - if (r < 0) - return r; - } - - if (info->mtu > 0) { - char min_str[DECIMAL_STR_MAX(uint32_t)], max_str[DECIMAL_STR_MAX(uint32_t)]; - - xsprintf(min_str, "%" PRIu32, info->min_mtu); - xsprintf(max_str, "%" PRIu32, info->max_mtu); - - r = table_add_cell(table, NULL, TABLE_FIELD, "MTU"); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%" PRIu32 "%s%s%s%s%s%s%s", - info->mtu, - info->min_mtu > 0 || info->max_mtu > 0 ? " (" : "", - info->min_mtu > 0 ? "min: " : "", - info->min_mtu > 0 ? min_str : "", - info->min_mtu > 0 && info->max_mtu > 0 ? ", " : "", - info->max_mtu > 0 ? "max: " : "", - info->max_mtu > 0 ? max_str : "", - info->min_mtu > 0 || info->max_mtu > 0 ? ")" : ""); - if (r < 0) - return table_log_add_error(r); - } - - r = table_add_string_line(table, "QDisc", info->qdisc); - if (r < 0) - return r; - - if (info->master > 0) { - r = table_add_many(table, - TABLE_FIELD, "Master", - TABLE_IFINDEX, info->master); - if (r < 0) - return table_log_add_error(r); - } - - if (info->has_ipv6_address_generation_mode) { - static const struct { - const char *mode; - } mode_table[] = { - { "eui64" }, - { "none" }, - { "stable-privacy" }, - { "random" }, - }; - - r = table_add_many(table, - TABLE_FIELD, "IPv6 Address Generation Mode", - TABLE_STRING, mode_table[info->addr_gen_mode]); - if (r < 0) - return table_log_add_error(r); - } - - if (streq_ptr(info->netdev_kind, "bridge")) { - r = table_add_many(table, - TABLE_FIELD, "Forward Delay", - TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->forward_delay), - TABLE_FIELD, "Hello Time", - TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->hello_time), - TABLE_FIELD, "Max Age", - TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->max_age), - TABLE_FIELD, "Ageing Time", - TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->ageing_time), - TABLE_FIELD, "Priority", - TABLE_UINT16, info->priority, - TABLE_FIELD, "STP", - TABLE_BOOLEAN, info->stp_state > 0, - TABLE_FIELD, "Multicast IGMP Version", - TABLE_UINT8, info->mcast_igmp_version, - TABLE_FIELD, "Cost", - TABLE_UINT32, info->cost); - if (r < 0) - return table_log_add_error(r); - - if (info->has_fdb_learned) { - r = table_add_many(table, - TABLE_FIELD, "FDB Learned", - TABLE_UINT32, info->fdb_n_learned, - TABLE_FIELD, "FDB Max Learned", - TABLE_UINT32, info->fdb_max_learned); - if (r < 0) - return table_log_add_error(r); - } - - if (info->port_state <= BR_STATE_BLOCKING) { - r = table_add_many(table, - TABLE_FIELD, "Port State", - TABLE_STRING, bridge_state_to_string(info->port_state)); - if (r < 0) - return table_log_add_error(r); - } - - } else if (streq_ptr(info->netdev_kind, "bond")) { - r = table_add_many(table, - TABLE_FIELD, "Mode", - TABLE_STRING, bond_mode_to_string(info->mode), - TABLE_FIELD, "Miimon", - TABLE_TIMESPAN_MSEC, info->miimon * USEC_PER_MSEC, - TABLE_FIELD, "Updelay", - TABLE_TIMESPAN_MSEC, info->updelay * USEC_PER_MSEC, - TABLE_FIELD, "Downdelay", - TABLE_TIMESPAN_MSEC, info->downdelay * USEC_PER_MSEC); - if (r < 0) - return table_log_add_error(r); - - } else if (streq_ptr(info->netdev_kind, "vxlan")) { - char ttl[CONST_MAX(STRLEN("auto") + 1, DECIMAL_STR_MAX(uint8_t))]; - - if (info->vxlan_info.vni > 0) { - r = table_add_many(table, - TABLE_FIELD, "VNI", - TABLE_UINT32, info->vxlan_info.vni); - if (r < 0) - return table_log_add_error(r); - } - - if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) { - const char *p; - - r = in_addr_is_multicast(info->vxlan_info.group_family, &info->vxlan_info.group); - if (r <= 0) - p = "Remote"; - else - p = "Group"; - - r = table_add_many(table, - TABLE_FIELD, p, - info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.group); - if (r < 0) - return table_log_add_error(r); - } - - if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) { - r = table_add_many(table, - TABLE_FIELD, "Local", - info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, &info->vxlan_info.local); - if (r < 0) - return table_log_add_error(r); - } - - if (info->vxlan_info.dest_port > 0) { - r = table_add_many(table, - TABLE_FIELD, "Destination Port", - TABLE_UINT16, be16toh(info->vxlan_info.dest_port)); - if (r < 0) - return table_log_add_error(r); - } - - if (info->vxlan_info.link > 0) { - r = table_add_many(table, - TABLE_FIELD, "Underlying Device", - TABLE_IFINDEX, info->vxlan_info.link); - if (r < 0) - return table_log_add_error(r); - } - - r = table_add_many(table, - TABLE_FIELD, "Learning", - TABLE_BOOLEAN, info->vxlan_info.learning, - TABLE_FIELD, "RSC", - TABLE_BOOLEAN, info->vxlan_info.rsc, - TABLE_FIELD, "L3MISS", - TABLE_BOOLEAN, info->vxlan_info.l3miss, - TABLE_FIELD, "L2MISS", - TABLE_BOOLEAN, info->vxlan_info.l2miss); - if (r < 0) - return table_log_add_error(r); - - if (info->vxlan_info.tos > 1) { - r = table_add_many(table, - TABLE_FIELD, "TOS", - TABLE_UINT8, info->vxlan_info.tos); - if (r < 0) - return table_log_add_error(r); - } - - if (info->vxlan_info.ttl > 0) - xsprintf(ttl, "%" PRIu8, info->vxlan_info.ttl); - else - strcpy(ttl, "auto"); - - r = table_add_many(table, - TABLE_FIELD, "TTL", - TABLE_STRING, ttl); - if (r < 0) - return table_log_add_error(r); - - } else if (streq_ptr(info->netdev_kind, "vlan") && info->vlan_id > 0) { - r = table_add_many(table, - TABLE_FIELD, "VLan Id", - TABLE_UINT16, info->vlan_id); - if (r < 0) - return table_log_add_error(r); - - } else if (STRPTR_IN_SET(info->netdev_kind, "ipip", "sit", "gre", "gretap", "erspan", "vti")) { - if (in_addr_is_set(AF_INET, &info->local)) { - r = table_add_many(table, - TABLE_FIELD, "Local", - TABLE_IN_ADDR, &info->local); - if (r < 0) - return table_log_add_error(r); - } - - if (in_addr_is_set(AF_INET, &info->remote)) { - r = table_add_many(table, - TABLE_FIELD, "Remote", - TABLE_IN_ADDR, &info->remote); - if (r < 0) - return table_log_add_error(r); - } - - } else if (STRPTR_IN_SET(info->netdev_kind, "ip6gre", "ip6gretap", "ip6erspan", "vti6")) { - if (in_addr_is_set(AF_INET6, &info->local)) { - r = table_add_many(table, - TABLE_FIELD, "Local", - TABLE_IN6_ADDR, &info->local); - if (r < 0) - return table_log_add_error(r); - } - - if (in_addr_is_set(AF_INET6, &info->remote)) { - r = table_add_many(table, - TABLE_FIELD, "Remote", - TABLE_IN6_ADDR, &info->remote); - if (r < 0) - return table_log_add_error(r); - } - - } else if (streq_ptr(info->netdev_kind, "geneve")) { - r = table_add_many(table, - TABLE_FIELD, "VNI", - TABLE_UINT32, info->vni); - if (r < 0) - return table_log_add_error(r); - - if (info->has_tunnel_ipv4 && in_addr_is_set(AF_INET, &info->remote)) { - r = table_add_many(table, - TABLE_FIELD, "Remote", - TABLE_IN_ADDR, &info->remote); - if (r < 0) - return table_log_add_error(r); - } else if (in_addr_is_set(AF_INET6, &info->remote)) { - r = table_add_many(table, - TABLE_FIELD, "Remote", - TABLE_IN6_ADDR, &info->remote); - if (r < 0) - return table_log_add_error(r); - } - - if (info->ttl > 0) { - r = table_add_many(table, - TABLE_FIELD, "TTL", - TABLE_UINT8, info->ttl); - if (r < 0) - return table_log_add_error(r); - } - - if (info->tos > 0) { - r = table_add_many(table, - TABLE_FIELD, "TOS", - TABLE_UINT8, info->tos); - if (r < 0) - return table_log_add_error(r); - } - - r = table_add_many(table, - TABLE_FIELD, "Port", - TABLE_UINT16, info->tunnel_port, - TABLE_FIELD, "Inherit", - TABLE_STRING, geneve_df_to_string(info->inherit)); - if (r < 0) - return table_log_add_error(r); - - if (info->df > 0) { - r = table_add_many(table, - TABLE_FIELD, "IPDoNotFragment", - TABLE_UINT8, info->df); - if (r < 0) - return table_log_add_error(r); - } - - r = table_add_many(table, - TABLE_FIELD, "UDPChecksum", - TABLE_BOOLEAN, info->csum, - TABLE_FIELD, "UDP6ZeroChecksumTx", - TABLE_BOOLEAN, info->csum6_tx, - TABLE_FIELD, "UDP6ZeroChecksumRx", - TABLE_BOOLEAN, info->csum6_rx); - if (r < 0) - return table_log_add_error(r); - - if (info->label > 0) { - r = table_add_many(table, - TABLE_FIELD, "FlowLabel", - TABLE_UINT32, info->label); - if (r < 0) - return table_log_add_error(r); - } - - } else if (STRPTR_IN_SET(info->netdev_kind, "macvlan", "macvtap")) { - r = table_add_many(table, - TABLE_FIELD, "Mode", - TABLE_STRING, macvlan_mode_to_string(info->macvlan_mode)); - if (r < 0) - return table_log_add_error(r); - - } else if (streq_ptr(info->netdev_kind, "ipvlan")) { - const char *p; - - if (info->ipvlan_flags & IPVLAN_F_PRIVATE) - p = "private"; - else if (info->ipvlan_flags & IPVLAN_F_VEPA) - p = "vepa"; - else - p = "bridge"; - - r = table_add_cell(table, NULL, TABLE_FIELD, "Mode"); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%s (%s)", - ipvlan_mode_to_string(info->ipvlan_mode), p); - if (r < 0) - return table_log_add_error(r); - } - - if (info->has_wlan_link_info) { - _cleanup_free_ char *esc = NULL; - - r = table_add_cell(table, NULL, TABLE_FIELD, "Wi-Fi access point"); - if (r < 0) - return table_log_add_error(r); - - if (info->ssid) - esc = cescape(info->ssid); - - r = table_add_cell_stringf(table, NULL, "%s (%s)", - strnull(esc), - ETHER_ADDR_TO_STR(&info->bssid)); - if (r < 0) - return table_log_add_error(r); - } - - if (info->has_bitrates) { - r = table_add_cell(table, NULL, TABLE_FIELD, "Bit Rate (Tx/Rx)"); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%sbps/%sbps", - FORMAT_BYTES_FULL(info->tx_bitrate, 0), - FORMAT_BYTES_FULL(info->rx_bitrate, 0)); - if (r < 0) - return table_log_add_error(r); - } - - if (info->has_tx_queues || info->has_rx_queues) { - r = table_add_cell(table, NULL, TABLE_FIELD, "Number of Queues (Tx/Rx)"); - if (r < 0) - return table_log_add_error(r); - - r = table_add_cell_stringf(table, NULL, "%" PRIu32 "/%" PRIu32, info->tx_queues, info->rx_queues); - if (r < 0) - return table_log_add_error(r); - } - - if (info->has_ethtool_link_info) { - if (IN_SET(info->autonegotiation, AUTONEG_DISABLE, AUTONEG_ENABLE)) { - r = table_add_many(table, - TABLE_FIELD, "Auto negotiation", - TABLE_BOOLEAN, info->autonegotiation == AUTONEG_ENABLE); - if (r < 0) - return table_log_add_error(r); - } - - if (info->speed > 0 && info->speed != UINT64_MAX) { - r = table_add_many(table, - TABLE_FIELD, "Speed", - TABLE_BPS, info->speed); - if (r < 0) - return table_log_add_error(r); - } - - r = table_add_string_line(table, "Duplex", duplex_to_string(info->duplex)); - if (r < 0) - return r; - - r = table_add_string_line(table, "Port", port_to_string(info->port)); - if (r < 0) - return r; - } - - r = dump_addresses(rtnl, lease, table, info->ifindex); - if (r < 0) - return r; - - r = dump_gateways(rtnl, hwdb, table, info->ifindex); - if (r < 0) - return r; - - r = dump_list(table, "DNS", dns); - if (r < 0) - return r; - - r = dump_list(table, "Search Domains", search_domains); - if (r < 0) - return r; - - r = dump_list(table, "Route Domains", route_domains); - if (r < 0) - return r; - - r = dump_list(table, "NTP", ntp); - if (r < 0) - return r; - - r = dump_list(table, "SIP", sip); - if (r < 0) - return r; - - r = dump_ifindexes(table, "Carrier Bound To", carrier_bound_to); - if (r < 0) - return r; - - r = dump_ifindexes(table, "Carrier Bound By", carrier_bound_by); - if (r < 0) - return r; - - r = table_add_string_line(table, "Activation Policy", activation_policy); - if (r < 0) - return r; - - r = sd_network_link_get_required_for_online(info->ifindex); - if (r >= 0) { - r = table_add_many(table, - TABLE_FIELD, "Required For Online", - TABLE_BOOLEAN, r); - if (r < 0) - return table_log_add_error(r); - } - - if (captive_portal) { - r = table_add_many(table, - TABLE_FIELD, "Captive Portal", - TABLE_STRING, captive_portal, - TABLE_SET_URL, captive_portal); - if (r < 0) - return table_log_add_error(r); - } - - if (lease) { - const sd_dhcp_client_id *client_id; - const char *tz; - - r = sd_dhcp_lease_get_timezone(lease, &tz); - if (r >= 0) { - r = table_add_many(table, - TABLE_FIELD, "Time Zone", - TABLE_STRING, tz); - if (r < 0) - return table_log_add_error(r); - } - - r = sd_dhcp_lease_get_client_id(lease, &client_id); - if (r >= 0) { - _cleanup_free_ char *id = NULL; - - r = sd_dhcp_client_id_to_string(client_id, &id); - if (r >= 0) { - r = table_add_many(table, - TABLE_FIELD, "DHCPv4 Client ID", - TABLE_STRING, id); - if (r < 0) - return table_log_add_error(r); - } - } - } - - r = sd_network_link_get_dhcp6_client_iaid_string(info->ifindex, &iaid); - if (r >= 0) { - r = table_add_many(table, - TABLE_FIELD, "DHCPv6 Client IAID", - TABLE_STRING, iaid); - if (r < 0) - return table_log_add_error(r); - } - - r = sd_network_link_get_dhcp6_client_duid_string(info->ifindex, &duid); - if (r >= 0) { - r = table_add_many(table, - TABLE_FIELD, "DHCPv6 Client DUID", - TABLE_STRING, duid); - if (r < 0) - return table_log_add_error(r); - } - - r = dump_lldp_neighbors(vl, table, info->ifindex); - if (r < 0) - return r; - - r = dump_dhcp_leases(table, "Offered DHCP leases", bus, info); - if (r < 0) - return r; - - r = dump_statistics(table, info); - if (r < 0) - return r; - - /* First line: circle, ifindex, ifname. */ - printf("%s%s%s %d: %s\n", - on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational, - info->ifindex, info->name); - - r = table_print(table, NULL); - if (r < 0) - return table_log_print_error(r); - - return show_logs(info); -} - -static int system_status(sd_netlink *rtnl, sd_hwdb *hwdb) { - _cleanup_free_ char *operational_state = NULL, *online_state = NULL, *netifs_joined = NULL; - _cleanup_strv_free_ char **netifs = NULL, **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL; - const char *on_color_operational, *off_color_operational, *on_color_online; - _cleanup_(table_unrefp) Table *table = NULL; - int r; - - assert(rtnl); - - (void) sd_network_get_operational_state(&operational_state); - operational_state_to_color(NULL, operational_state, &on_color_operational, &off_color_operational); - - (void) sd_network_get_online_state(&online_state); - online_state_to_color(online_state, &on_color_online, NULL); - - table = table_new_vertical(); - if (!table) - return log_oom(); - - if (arg_full) - table_set_width(table, 0); - - r = get_files_in_directory("/run/systemd/netif/links/", &netifs); - if (r < 0 && r != -ENOENT) - return log_error_errno(r, "Failed to list network interfaces: %m"); - else if (r > 0) { - netifs_joined = strv_join(netifs, ", "); - if (!netifs_joined) - return log_oom(); - } - - r = table_add_many(table, - TABLE_FIELD, "State", - TABLE_STRING, strna(operational_state), - TABLE_SET_COLOR, on_color_operational, - TABLE_FIELD, "Online state", - TABLE_STRING, online_state ?: "unknown", - TABLE_SET_COLOR, on_color_online); - if (r < 0) - return table_log_add_error(r); - - r = dump_addresses(rtnl, NULL, table, 0); - if (r < 0) - return r; - - r = dump_gateways(rtnl, hwdb, table, 0); - if (r < 0) - return r; - - (void) sd_network_get_dns(&dns); - r = dump_list(table, "DNS", dns); - if (r < 0) - return r; - - (void) sd_network_get_search_domains(&search_domains); - r = dump_list(table, "Search Domains", search_domains); - if (r < 0) - return r; - - (void) sd_network_get_route_domains(&route_domains); - r = dump_list(table, "Route Domains", route_domains); - if (r < 0) - return r; - - (void) sd_network_get_ntp(&ntp); - r = dump_list(table, "NTP", ntp); - if (r < 0) - return r; - - printf("%s%s%s Interfaces: %s\n", - on_color_operational, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off_color_operational, - strna(netifs_joined)); - - r = table_print(table, NULL); - if (r < 0) - return table_log_print_error(r); - - return show_logs(NULL); -} - -static int link_status(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL; - _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; - _cleanup_(link_info_array_freep) LinkInfo *links = NULL; - int r, c; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - if (arg_json_format_flags != SD_JSON_FORMAT_OFF) { - if (arg_all || argc <= 1) - return dump_manager_description(bus); - else - return dump_link_description(bus, strv_skip(argv, 1)); - } - - pager_open(arg_pager_flags); - - r = sd_netlink_open(&rtnl); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - r = sd_hwdb_new(&hwdb); - if (r < 0) - log_debug_errno(r, "Failed to open hardware database: %m"); - - r = varlink_connect_networkd(&vl); - if (r < 0) - return r; - - if (arg_all) - c = acquire_link_info(bus, rtnl, NULL, &links); - else if (argc <= 1) - return system_status(rtnl, hwdb); - else - c = acquire_link_info(bus, rtnl, argv + 1, &links); - if (c < 0) - return c; - - r = 0; - - bool first = true; - FOREACH_ARRAY(i, links, c) { - if (!first) - putchar('\n'); - - RET_GATHER(r, link_status_one(bus, rtnl, hwdb, vl, i)); - - first = false; - } - - return r; -} - -static char *lldp_capabilities_to_string(uint64_t x) { - static const char characters[] = { - 'o', 'p', 'b', 'w', 'r', 't', 'd', 'a', 'c', 's', 'm', - }; - char *ret; - unsigned i; - - ret = new(char, ELEMENTSOF(characters) + 1); - if (!ret) - return NULL; - - for (i = 0; i < ELEMENTSOF(characters); i++) - ret[i] = (x & (1U << i)) ? characters[i] : '.'; - - ret[i] = 0; - return ret; -} - -static void lldp_capabilities_legend(uint16_t x) { - unsigned cols = columns(); - static const char* const table[] = { - "o - Other", - "p - Repeater", - "b - Bridge", - "w - WLAN Access Point", - "r - Router", - "t - Telephone", - "d - DOCSIS cable device", - "a - Station", - "c - Customer VLAN", - "s - Service VLAN", - "m - Two-port MAC Relay (TPMR)", - }; - - if (x == 0) - return; - - printf("\nCapability Flags:\n"); - for (unsigned w = 0, i = 0; i < ELEMENTSOF(table); i++) - if (x & (1U << i) || arg_all) { - bool newline; - - newline = w + strlen(table[i]) + (w == 0 ? 0 : 2) > cols; - if (newline) - w = 0; - w += printf("%s%s%s", newline ? "\n" : "", w == 0 ? "" : "; ", table[i]); - } - puts(""); -} - -static bool interface_match_pattern(const InterfaceInfo *info, char * const *patterns) { - assert(info); - - if (strv_isempty(patterns)) - return true; - - if (strv_fnmatch(patterns, info->ifname)) - return true; - - char str[DECIMAL_STR_MAX(int)]; - xsprintf(str, "%i", info->ifindex); - if (strv_fnmatch(patterns, str)) - return true; - - STRV_FOREACH(a, info->altnames) - if (strv_fnmatch(patterns, *a)) - return true; - - return false; -} - -static int dump_lldp_neighbors_json(sd_json_variant *reply, char * const *patterns) { - _cleanup_(sd_json_variant_unrefp) sd_json_variant *array = NULL, *v = NULL; - int r; - - assert(reply); - - if (strv_isempty(patterns)) - return sd_json_variant_dump(reply, arg_json_format_flags, NULL, NULL); - - /* Filter and dump the result. */ - - sd_json_variant *i; - JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { - _cleanup_(interface_info_done) InterfaceInfo info = {}; - - r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); - if (r < 0) - return r; - - if (!interface_match_pattern(&info, patterns)) - continue; - - r = sd_json_variant_append_array(&array, i); - if (r < 0) - return log_error_errno(r, "Failed to append json variant to array: %m"); - } - - r = sd_json_buildo( - &v, - SD_JSON_BUILD_PAIR_CONDITION(sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_EMPTY_ARRAY), - SD_JSON_BUILD_PAIR_CONDITION(!sd_json_variant_is_blank_array(array), "Neighbors", SD_JSON_BUILD_VARIANT(array))); - if (r < 0) - return log_error_errno(r, "Failed to build json varinat: %m"); - - return sd_json_variant_dump(v, arg_json_format_flags, NULL, NULL); -} - -static int link_lldp_status(int argc, char *argv[], void *userdata) { - _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; - _cleanup_(table_unrefp) Table *table = NULL; - sd_json_variant *reply; - uint64_t all = 0; - TableCell *cell; - size_t m = 0; - int r; - - r = varlink_connect_networkd(&vl); - if (r < 0) - return r; - - r = varlink_call_and_log(vl, "io.systemd.Network.GetLLDPNeighbors", NULL, &reply); - if (r < 0) - return r; - - if (arg_json_format_flags != SD_JSON_FORMAT_OFF) - return dump_lldp_neighbors_json(reply, strv_skip(argv, 1)); - - pager_open(arg_pager_flags); - - table = table_new("index", - "link", - "system-name", - "system-description", - "chassis-id", - "port-id", - "port-description", - "caps"); - if (!table) - return log_oom(); - - if (arg_full) - table_set_width(table, 0); - - table_set_header(table, arg_legend); - table_set_ersatz_string(table, TABLE_ERSATZ_DASH); - table_set_sort(table, (size_t) 0, (size_t) 2); - table_hide_column_from_display(table, (size_t) 0); - - /* Make the capabilities not truncated */ - assert_se(cell = table_get_cell(table, 0, 7)); - table_set_minimum_width(table, cell, 11); - - sd_json_variant *i; - JSON_VARIANT_ARRAY_FOREACH(i, sd_json_variant_by_key(reply, "Neighbors")) { - _cleanup_(interface_info_done) InterfaceInfo info = {}; - - r = sd_json_dispatch(i, interface_info_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &info); - if (r < 0) - return r; - - if (!interface_match_pattern(&info, strv_skip(argv, 1))) - continue; - - sd_json_variant *neighbor; - JSON_VARIANT_ARRAY_FOREACH(neighbor, info.v) { - LLDPNeighborInfo neighbor_info = {}; - - r = sd_json_dispatch(neighbor, lldp_neighbor_dispatch_table, SD_JSON_LOG|SD_JSON_ALLOW_EXTENSIONS, &neighbor_info); - if (r < 0) - return r; - - all |= neighbor_info.capabilities; - - _cleanup_free_ char *cap_str = lldp_capabilities_to_string(neighbor_info.capabilities); - - r = table_add_many(table, - TABLE_INT, info.ifindex, - TABLE_STRING, info.ifname, - TABLE_STRING, neighbor_info.system_name, - TABLE_STRING, neighbor_info.system_description, - TABLE_STRING, neighbor_info.chassis_id, - TABLE_STRING, neighbor_info.port_id, - TABLE_STRING, neighbor_info.port_description, - TABLE_STRING, cap_str); - if (r < 0) - return table_log_add_error(r); - - m++; - } - } - - r = table_print(table, NULL); - if (r < 0) - return table_log_print_error(r); - - if (arg_legend) { - lldp_capabilities_legend(all); - printf("\n%zu neighbor(s) listed.\n", m); - } - - return 0; -} - -static int link_delete_send_message(sd_netlink *rtnl, int index) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; - int r; - - assert(rtnl); - assert(index >= 0); - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_DELLINK, index); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_netlink_call(rtnl, req, 0, NULL); - if (r < 0) - return r; - - return 0; -} - -static int link_up_down_send_message(sd_netlink *rtnl, char *command, int index) { - _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; - int r; - - assert(rtnl); - assert(index >= 0); - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_SETLINK, index); - if (r < 0) - return rtnl_log_create_error(r); - - if (streq(command, "up")) - r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP); - else - r = sd_rtnl_message_link_set_flags(req, 0, IFF_UP); - if (r < 0) - return log_error_errno(r, "Could not set link flags: %m"); - - r = sd_netlink_call(rtnl, req, 0, NULL); - if (r < 0) - return r; - - return 0; -} - -static int link_up_down(int argc, char *argv[], void *userdata) { - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - _cleanup_set_free_ Set *indexes = NULL; - int index, r; - void *p; - - r = sd_netlink_open(&rtnl); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - indexes = set_new(NULL); - if (!indexes) - return log_oom(); - - for (int i = 1; i < argc; i++) { - index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); - if (index < 0) - return index; - - r = set_put(indexes, INT_TO_PTR(index)); - if (r < 0) - return log_oom(); - } - - SET_FOREACH(p, indexes) { - index = PTR_TO_INT(p); - r = link_up_down_send_message(rtnl, argv[0], index); - if (r < 0) - return log_error_errno(r, "Failed to bring %s interface %s: %m", - argv[0], FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX)); - } - - return r; -} - -static int link_delete(int argc, char *argv[], void *userdata) { - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - _cleanup_set_free_ Set *indexes = NULL; - int index, r; - void *p; - - r = sd_netlink_open(&rtnl); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - indexes = set_new(NULL); - if (!indexes) - return log_oom(); - - for (int i = 1; i < argc; i++) { - index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); - if (index < 0) - return index; - - r = set_put(indexes, INT_TO_PTR(index)); - if (r < 0) - return log_oom(); - } - - SET_FOREACH(p, indexes) { - index = PTR_TO_INT(p); - r = link_delete_send_message(rtnl, index); - if (r < 0) - return log_error_errno(r, "Failed to delete interface %s: %m", - FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX)); - } - - return r; -} - -static int link_renew_one(sd_bus *bus, int index, const char *name) { - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int r; - - assert(bus); - assert(index >= 0); - assert(name); - - r = bus_call_method(bus, bus_network_mgr, "RenewLink", &error, NULL, "i", index); - if (r < 0) - return log_error_errno(r, "Failed to renew dynamic configuration of interface %s: %s", - name, bus_error_message(&error, r)); - - return 0; -} - -static int link_renew(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - int r; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); - - r = 0; - - for (int i = 1; i < argc; i++) { - int index; - - index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); - if (index < 0) - return index; - - RET_GATHER(r, link_renew_one(bus, index, argv[i])); - } - - return r; -} - -static int link_force_renew_one(sd_bus *bus, int index, const char *name) { - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int r; - - assert(bus); - assert(index >= 0); - assert(name); - - r = bus_call_method(bus, bus_network_mgr, "ForceRenewLink", &error, NULL, "i", index); - if (r < 0) - return log_error_errno(r, "Failed to force renew dynamic configuration of interface %s: %s", - name, bus_error_message(&error, r)); - - return 0; -} - -static int link_force_renew(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - int k = 0, r; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); - - for (int i = 1; i < argc; i++) { - int index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); - if (index < 0) - return index; - - r = link_force_renew_one(bus, index, argv[i]); - if (r < 0 && k >= 0) - k = r; - } - - return k; -} - -static int verb_reload(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int r; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); - - r = bus_call_method(bus, bus_network_mgr, "Reload", &error, NULL, NULL); - if (r < 0) - return log_error_errno(r, "Failed to reload network settings: %s", bus_error_message(&error, r)); - - return 0; -} - -static int verb_reconfigure(int argc, char *argv[], void *userdata) { - _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; - _cleanup_set_free_ Set *indexes = NULL; - int index, r; - void *p; - - r = acquire_bus(&bus); - if (r < 0) - return r; - - (void) polkit_agent_open_if_enabled(BUS_TRANSPORT_LOCAL, arg_ask_password); - - indexes = set_new(NULL); - if (!indexes) - return log_oom(); - - for (int i = 1; i < argc; i++) { - index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]); - if (index < 0) - return index; - - r = set_put(indexes, INT_TO_PTR(index)); - if (r < 0) - return log_oom(); - } - - SET_FOREACH(p, indexes) { - index = PTR_TO_INT(p); - r = bus_call_method(bus, bus_network_mgr, "ReconfigureLink", &error, NULL, "i", index); - if (r < 0) - return log_error_errno(r, "Failed to reconfigure network interface %s: %s", - FORMAT_IFNAME_FULL(index, FORMAT_IFNAME_IFINDEX), - bus_error_message(&error, r)); - } - - return 0; -} - -static int verb_persistent_storage(int argc, char *argv[], void *userdata) { - _cleanup_(sd_varlink_flush_close_unrefp) sd_varlink *vl = NULL; - bool ready; - int r; - - r = parse_boolean(argv[1]); - if (r < 0) - return log_error_errno(r, "Failed to parse argument: %s", argv[1]); - ready = r; - - r = varlink_connect_networkd(&vl); - if (r < 0) - return r; - - if (ready) { - _cleanup_close_ int fd = -EBADF; - - fd = open("/var/lib/systemd/network/", O_CLOEXEC | O_DIRECTORY); - if (fd < 0) - return log_error_errno(errno, "Failed to open /var/lib/systemd/network/: %m"); - - r = sd_varlink_push_fd(vl, fd); - if (r < 0) - return log_error_errno(r, "Failed to push file descriptor of /var/lib/systemd/network/ into varlink: %m"); - - TAKE_FD(fd); - } - - return varlink_callbo_and_log( - vl, - "io.systemd.Network.SetPersistentStorage", - /* reply= */ NULL, - SD_JSON_BUILD_PAIR_BOOLEAN("Ready", ready)); -} - static int help(void) { _cleanup_free_ char *link = NULL; int r; diff --git a/src/network/networkctl.h b/src/network/networkctl.h index f88b2d9ab59..cb76fe41e1b 100644 --- a/src/network/networkctl.h +++ b/src/network/networkctl.h @@ -3,8 +3,6 @@ #include -#include "sd-bus.h" - #include "output-mode.h" #include "pager.h" @@ -20,6 +18,3 @@ extern unsigned arg_lines; extern char *arg_drop_in; extern sd_json_format_flags_t arg_json_format_flags; extern bool arg_ask_password; - -bool networkd_is_running(void); -int acquire_bus(sd_bus **ret);