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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/network/networkctl.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/network/networkctl.c')
-rw-r--r--src/network/networkctl.c3499
1 files changed, 3499 insertions, 0 deletions
diff --git a/src/network/networkctl.c b/src/network/networkctl.c
new file mode 100644
index 0000000..ec31e8e
--- /dev/null
+++ b/src/network/networkctl.c
@@ -0,0 +1,3499 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <arpa/inet.h>
+#include <getopt.h>
+#include <linux/if_addrlabel.h>
+#include <net/if.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <linux/if_bridge.h>
+#include <linux/if_tunnel.h>
+
+#include "sd-bus.h"
+#include "sd-device.h"
+#include "sd-dhcp-client.h"
+#include "sd-hwdb.h"
+#include "sd-lldp-rx.h"
+#include "sd-netlink.h"
+#include "sd-network.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 "bus-wait-for-jobs.h"
+#include "conf-files.h"
+#include "device-util.h"
+#include "edit-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 "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 "pager.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 "verbs.h"
+#include "virt.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)
+
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static bool arg_no_reload = false;
+static bool arg_all = false;
+static bool arg_stats = false;
+static bool arg_full = false;
+static unsigned arg_lines = 10;
+static char *arg_drop_in = NULL;
+static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
+
+STATIC_DESTRUCTOR_REGISTER(arg_drop_in, freep);
+
+static int check_netns_match(sd_bus *bus) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ struct stat st;
+ uint64_t id;
+ int r;
+
+ assert(bus);
+
+ r = bus_get_property_trivial(bus, bus_network_mgr, "NamespaceId", &error, 't', &id);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to query network namespace of networkd, ignoring: %s", bus_error_message(&error, r));
+ return 0;
+ }
+ if (id == 0) {
+ log_debug("systemd-networkd.service not running in a network namespace (?), skipping netns check.");
+ return 0;
+ }
+
+ 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.");
+
+ return 0;
+}
+
+static 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;
+}
+
+static 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");
+
+ if (networkd_is_running()) {
+ r = check_netns_match(bus);
+ 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, JsonVariant **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 = 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_(json_variant_unrefp) JsonVariant *v = NULL;
+ int r;
+
+ assert(bus);
+
+ r = get_description(bus, &v);
+ if (r < 0)
+ return r;
+
+ json_variant_dump(v, arg_json_format_flags, NULL, NULL);
+ return 0;
+}
+
+static int dump_link_description(sd_bus *bus, char * const *patterns) {
+ _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
+ _cleanup_free_ bool *matched_patterns = NULL;
+ JsonVariant *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, json_variant_by_key(v, "Interfaces")) {
+ char ifindex_str[DECIMAL_STR_MAX(int64_t)];
+ const char *name;
+ int64_t index;
+ size_t pos;
+
+ name = json_variant_string(json_variant_by_key(i, "Name"));
+ index = json_variant_integer(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;
+ JsonVariant *a;
+
+ JSON_VARIANT_ARRAY_FOREACH(a, json_variant_by_key(i, "AlternativeNames"))
+ if (strv_fnmatch_full(patterns, json_variant_string(a), 0, &pos)) {
+ match = true;
+ break;
+ }
+
+ if (!match)
+ continue;
+ }
+
+ matched_patterns[pos] = true;
+ 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;
+
+ /* 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 (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;
+ const char *type = NULL;
+ int r, k = 0;
+
+ assert(link);
+
+ if (link->sd_device)
+ (void) sd_device_get_devtype(link->sd_device, &type);
+ if (!streq_ptr(type, "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 != 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_errno(SYNTHETIC_ERRNO(EINVAL),
+ "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_errno(SYNTHETIC_ERRNO(EINVAL), "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:
+ continue;
+ }
+
+ 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 ? " (DHCP4 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);
+}
+
+static int open_lldp_neighbors(int ifindex, FILE **ret) {
+ _cleanup_fclose_ FILE *f = NULL;
+ char p[STRLEN("/run/systemd/netif/lldp/") + DECIMAL_STR_MAX(int)];
+
+ assert(ifindex >= 0);
+ assert(ret);
+
+ xsprintf(p, "/run/systemd/netif/lldp/%i", ifindex);
+
+ f = fopen(p, "re");
+ if (!f)
+ return -errno;
+
+ *ret = TAKE_PTR(f);
+ return 0;
+}
+
+static int next_lldp_neighbor(FILE *f, sd_lldp_neighbor **ret) {
+ _cleanup_free_ void *raw = NULL;
+ size_t l;
+ le64_t u;
+ int r;
+
+ assert(f);
+ assert(ret);
+
+ l = fread(&u, 1, sizeof(u), f);
+ if (l == 0 && feof(f))
+ return 0;
+ if (l != sizeof(u))
+ return -EBADMSG;
+
+ /* each LLDP packet is at most MTU size, but let's allow up to 4KiB just in case */
+ if (le64toh(u) >= 4096)
+ return -EBADMSG;
+
+ raw = new(uint8_t, le64toh(u));
+ if (!raw)
+ return -ENOMEM;
+
+ if (fread(raw, 1, le64toh(u), f) != le64toh(u))
+ return -EBADMSG;
+
+ r = sd_lldp_neighbor_from_raw(ret, raw, le64toh(u));
+ if (r < 0)
+ return r;
+
+ return 1;
+}
+
+static int dump_lldp_neighbors(Table *table, const char *prefix, int ifindex) {
+ _cleanup_strv_free_ char **buf = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ int r;
+
+ assert(table);
+ assert(prefix);
+ assert(ifindex > 0);
+
+ r = open_lldp_neighbors(ifindex, &f);
+ if (r == -ENOENT)
+ return 0;
+ if (r < 0)
+ return r;
+
+ for (;;) {
+ const char *system_name = NULL, *port_id = NULL, *port_description = NULL;
+ _cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *n = NULL;
+
+ r = next_lldp_neighbor(f, &n);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ (void) sd_lldp_neighbor_get_system_name(n, &system_name);
+ (void) sd_lldp_neighbor_get_port_id_as_string(n, &port_id);
+ (void) sd_lldp_neighbor_get_port_description(n, &port_description);
+
+ r = strv_extendf(&buf, "%s on port %s%s%s%s",
+ strna(system_name),
+ strna(port_id),
+ isempty(port_description) ? "" : " (",
+ strempty(port_description),
+ isempty(port_description) ? "" : ")");
+ if (r < 0)
+ return log_oom();
+ }
+
+ return dump_list(table, prefix, 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', &gtw, &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(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);
+ 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) {
+ char m1[STRLEN("_KERNEL_DEVICE=n") + DECIMAL_STR_MAX(int)];
+ const char *m2, *m3;
+
+ /* kernel */
+ xsprintf(m1, "_KERNEL_DEVICE=n%i", info->ifindex);
+ /* networkd */
+ m2 = strjoina("INTERFACE=", info->name);
+ /* udevd */
+ m3 = strjoina("DEVICE=", info->name);
+
+ (void)(
+ (r = sd_journal_add_match(j, m1, 0)) ||
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, m2, 0)) ||
+ (r = sd_journal_add_disjunction(j)) ||
+ (r = sd_journal_add_match(j, m3, 0))
+ );
+ 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,
+ 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(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->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 void *client_id;
+ size_t client_id_len;
+ 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, &client_id_len);
+ if (r >= 0) {
+ _cleanup_free_ char *id = NULL;
+
+ r = sd_dhcp_client_id_to_string(client_id, client_id_len, &id);
+ if (r >= 0) {
+ r = table_add_many(table,
+ TABLE_FIELD, "DHCP4 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, "DHCP6 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, "DHCP6 Client DUID",
+ TABLE_STRING, duid);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = dump_lldp_neighbors(table, "Connected To", 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_(link_info_array_freep) LinkInfo *links = NULL;
+ int r, c;
+
+ r = acquire_bus(&bus);
+ if (r < 0)
+ return r;
+
+ if (arg_json_format_flags != 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");
+
+ 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, i));
+
+ first = false;
+ }
+
+ return r;
+}
+
+static char *lldp_capabilities_to_string(uint16_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 int link_lldp_status(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ _cleanup_(link_info_array_freep) LinkInfo *links = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r, c, m = 0;
+ uint16_t all = 0;
+ TableCell *cell;
+
+ 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("link",
+ "chassis-id",
+ "system-name",
+ "caps",
+ "port-id",
+ "port-description");
+ if (!table)
+ return log_oom();
+
+ if (arg_full)
+ table_set_width(table, 0);
+
+ table_set_header(table, arg_legend);
+
+ assert_se(cell = table_get_cell(table, 0, 3));
+ table_set_minimum_width(table, cell, 11);
+ table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ FOREACH_ARRAY(link, links, c) {
+ _cleanup_fclose_ FILE *f = NULL;
+
+ r = open_lldp_neighbors(link->ifindex, &f);
+ if (r == -ENOENT)
+ continue;
+ if (r < 0) {
+ log_warning_errno(r, "Failed to open LLDP data for %i, ignoring: %m", link->ifindex);
+ continue;
+ }
+
+ for (;;) {
+ const char *chassis_id = NULL, *port_id = NULL, *system_name = NULL, *port_description = NULL;
+ _cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *n = NULL;
+ _cleanup_free_ char *capabilities = NULL;
+ uint16_t cc;
+
+ r = next_lldp_neighbor(f, &n);
+ if (r < 0) {
+ log_warning_errno(r, "Failed to read neighbor data: %m");
+ break;
+ }
+ if (r == 0)
+ break;
+
+ (void) sd_lldp_neighbor_get_chassis_id_as_string(n, &chassis_id);
+ (void) sd_lldp_neighbor_get_port_id_as_string(n, &port_id);
+ (void) sd_lldp_neighbor_get_system_name(n, &system_name);
+ (void) sd_lldp_neighbor_get_port_description(n, &port_description);
+
+ if (sd_lldp_neighbor_get_enabled_capabilities(n, &cc) >= 0) {
+ capabilities = lldp_capabilities_to_string(cc);
+ all |= cc;
+ }
+
+ r = table_add_many(table,
+ TABLE_STRING, link->name,
+ TABLE_STRING, chassis_id,
+ TABLE_STRING, system_name,
+ TABLE_STRING, capabilities,
+ TABLE_STRING, port_id,
+ TABLE_STRING, port_description);
+ 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%i neighbors 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 index, k = 0, r;
+
+ r = acquire_bus(&bus);
+ if (r < 0)
+ return r;
+
+ for (int i = 1; i < argc; i++) {
+ index = rtnl_resolve_interface_or_warn(&rtnl, argv[i]);
+ if (index < 0)
+ return index;
+
+ r = link_renew_one(bus, index, argv[i]);
+ if (r < 0 && k >= 0)
+ k = r;
+ }
+
+ return k;
+}
+
+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;
+
+ 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;
+
+ 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;
+
+ 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;
+}
+
+typedef enum ReloadFlags {
+ RELOAD_NETWORKD = 1 << 0,
+ RELOAD_UDEVD = 1 << 1,
+} ReloadFlags;
+
+static int get_config_files_by_name(const char *name, char **ret_path, char ***ret_dropins) {
+ _cleanup_free_ char *path = NULL;
+ int r;
+
+ assert(name);
+ assert(ret_path);
+
+ STRV_FOREACH(i, NETWORK_DIRS) {
+ _cleanup_free_ char *p = NULL;
+
+ p = path_join(*i, name);
+ if (!p)
+ return -ENOMEM;
+
+ r = RET_NERRNO(access(p, F_OK));
+ if (r >= 0) {
+ path = TAKE_PTR(p);
+ break;
+ }
+
+ if (r != -ENOENT)
+ log_debug_errno(r, "Failed to determine whether '%s' exists, ignoring: %m", p);
+ }
+
+ if (!path)
+ return -ENOENT;
+
+ if (ret_dropins) {
+ _cleanup_free_ char *dropin_dirname = NULL;
+
+ dropin_dirname = strjoin(name, ".d");
+ if (!dropin_dirname)
+ return -ENOMEM;
+
+ r = conf_files_list_dropins(ret_dropins, dropin_dirname, /* root = */ NULL, NETWORK_DIRS);
+ if (r < 0)
+ return r;
+ }
+
+ *ret_path = TAKE_PTR(path);
+
+ return 0;
+}
+
+static int get_dropin_by_name(
+ const char *name,
+ char * const *dropins,
+ char **ret) {
+
+ assert(name);
+ assert(dropins);
+ assert(ret);
+
+ STRV_FOREACH(i, dropins)
+ if (path_equal_filename(*i, name)) {
+ _cleanup_free_ char *d = NULL;
+
+ d = strdup(*i);
+ if (!d)
+ return -ENOMEM;
+
+ *ret = TAKE_PTR(d);
+ return 1;
+ }
+
+ *ret = NULL;
+ return 0;
+}
+
+static int get_network_files_by_link(
+ sd_netlink **rtnl,
+ const char *link,
+ char **ret_path,
+ char ***ret_dropins) {
+
+ _cleanup_strv_free_ char **dropins = NULL;
+ _cleanup_free_ char *path = NULL;
+ int r, ifindex;
+
+ assert(rtnl);
+ assert(link);
+ assert(ret_path);
+ assert(ret_dropins);
+
+ ifindex = rtnl_resolve_interface_or_warn(rtnl, link);
+ if (ifindex < 0)
+ return ifindex;
+
+ r = sd_network_link_get_network_file(ifindex, &path);
+ if (r == -ENODATA)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
+ "Link '%s' has no associated network file.", link);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get network file for link '%s': %m", link);
+
+ r = sd_network_link_get_network_file_dropins(ifindex, &dropins);
+ if (r < 0 && r != -ENODATA)
+ return log_error_errno(r, "Failed to get network drop-ins for link '%s': %m", link);
+
+ *ret_path = TAKE_PTR(path);
+ *ret_dropins = TAKE_PTR(dropins);
+
+ return 0;
+}
+
+static int get_link_files_by_link(const char *link, char **ret_path, char ***ret_dropins) {
+ _cleanup_(sd_device_unrefp) sd_device *device = NULL;
+ _cleanup_strv_free_ char **dropins_split = NULL;
+ _cleanup_free_ char *p = NULL;
+ const char *path, *dropins;
+ int r;
+
+ assert(link);
+ assert(ret_path);
+ assert(ret_dropins);
+
+ r = sd_device_new_from_ifname(&device, link);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create sd-device object for link '%s': %m", link);
+
+ r = sd_device_get_property_value(device, "ID_NET_LINK_FILE", &path);
+ if (r == -ENOENT)
+ return log_error_errno(r, "Link '%s' has no associated link file.", link);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get link file for link '%s': %m", link);
+
+ r = sd_device_get_property_value(device, "ID_NET_LINK_FILE_DROPINS", &dropins);
+ if (r < 0 && r != -ENOENT)
+ return log_error_errno(r, "Failed to get link drop-ins for link '%s': %m", link);
+ if (r >= 0) {
+ r = strv_split_full(&dropins_split, dropins, ":", EXTRACT_CUNESCAPE);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse link drop-ins for link '%s': %m", link);
+ }
+
+ p = strdup(path);
+ if (!p)
+ return log_oom();
+
+ *ret_path = TAKE_PTR(p);
+ *ret_dropins = TAKE_PTR(dropins_split);
+
+ return 0;
+}
+
+static int get_config_files_by_link_config(
+ const char *link_config,
+ sd_netlink **rtnl,
+ char **ret_path,
+ char ***ret_dropins,
+ ReloadFlags *ret_reload) {
+
+ _cleanup_strv_free_ char **dropins = NULL, **link_config_split = NULL;
+ _cleanup_free_ char *path = NULL;
+ const char *ifname, *type;
+ ReloadFlags reload;
+ size_t n;
+ int r;
+
+ assert(link_config);
+ assert(rtnl);
+ assert(ret_path);
+ assert(ret_dropins);
+
+ link_config_split = strv_split(link_config, ":");
+ if (!link_config_split)
+ return log_oom();
+
+ n = strv_length(link_config_split);
+ if (n == 0 || isempty(link_config_split[0]))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No link name is given.");
+ if (n > 2)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid link config '%s'.", link_config);
+
+ ifname = link_config_split[0];
+ type = n == 2 ? link_config_split[1] : "network";
+
+ if (streq(type, "network")) {
+ if (!networkd_is_running())
+ return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
+ "Cannot get network file for link if systemd-networkd is not running.");
+
+ r = get_network_files_by_link(rtnl, ifname, &path, &dropins);
+ if (r < 0)
+ return r;
+
+ reload = RELOAD_NETWORKD;
+ } else if (streq(type, "link")) {
+ r = get_link_files_by_link(ifname, &path, &dropins);
+ if (r < 0)
+ return r;
+
+ reload = RELOAD_UDEVD;
+ } else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid config type '%s' for link '%s'.", type, ifname);
+
+ *ret_path = TAKE_PTR(path);
+ *ret_dropins = TAKE_PTR(dropins);
+
+ if (ret_reload)
+ *ret_reload = reload;
+
+ return 0;
+}
+
+static int add_config_to_edit(
+ EditFileContext *context,
+ const char *path,
+ char * const *dropins) {
+
+ _cleanup_free_ char *new_path = NULL, *dropin_path = NULL, *old_dropin = NULL;
+ _cleanup_strv_free_ char **comment_paths = NULL;
+ int r;
+
+ assert(context);
+ assert(path);
+ assert(!arg_drop_in || dropins);
+
+ if (path_startswith(path, "/usr")) {
+ _cleanup_free_ char *name = NULL;
+
+ r = path_extract_filename(path, &name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to extract filename from '%s': %m", path);
+
+ new_path = path_join(NETWORK_DIRS[0], name);
+ if (!new_path)
+ return log_oom();
+ }
+
+ if (!arg_drop_in)
+ return edit_files_add(context, new_path ?: path, path, NULL);
+
+ r = get_dropin_by_name(arg_drop_in, dropins, &old_dropin);
+ if (r < 0)
+ return log_error_errno(r, "Failed to acquire drop-in '%s': %m", arg_drop_in);
+
+ if (r > 0 && !path_startswith(old_dropin, "/usr"))
+ /* An existing drop-in is found and not in /usr/. Let's edit it directly. */
+ dropin_path = TAKE_PTR(old_dropin);
+ else {
+ /* No drop-in was found or an existing drop-in resides in /usr/. Let's create
+ * a new drop-in file. */
+ dropin_path = strjoin(new_path ?: path, ".d/", arg_drop_in);
+ if (!dropin_path)
+ return log_oom();
+ }
+
+ comment_paths = strv_new(path);
+ if (!comment_paths)
+ return log_oom();
+
+ r = strv_extend_strv(&comment_paths, dropins, /* filter_duplicates = */ false);
+ if (r < 0)
+ return log_oom();
+
+ return edit_files_add(context, dropin_path, old_dropin, comment_paths);
+}
+
+static int udevd_reload(sd_bus *bus) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
+ const char *job_path;
+ int r;
+
+ assert(bus);
+
+ r = bus_wait_for_jobs_new(bus, &w);
+ if (r < 0)
+ return log_error_errno(r, "Could not watch jobs: %m");
+
+ r = bus_call_method(bus,
+ bus_systemd_mgr,
+ "ReloadUnit",
+ &error,
+ &reply,
+ "ss",
+ "systemd-udevd.service",
+ "replace");
+ if (r < 0)
+ return log_error_errno(r, "Failed to reload systemd-udevd: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "o", &job_path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = bus_wait_for_jobs_one(w, job_path, /* quiet = */ true, NULL);
+ if (r == -ENOEXEC) {
+ log_debug("systemd-udevd is not running, skipping reload.");
+ return 0;
+ }
+ if (r < 0)
+ return log_error_errno(r, "Failed to reload systemd-udevd: %m");
+
+ return 1;
+}
+
+static int verb_edit(int argc, char *argv[], void *userdata) {
+ _cleanup_(edit_file_context_done) EditFileContext context = {
+ .marker_start = DROPIN_MARKER_START,
+ .marker_end = DROPIN_MARKER_END,
+ .remove_parent = !!arg_drop_in,
+ };
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ ReloadFlags reload = 0;
+ int r;
+
+ if (!on_tty())
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit network config files if not on a tty.");
+
+ r = mac_selinux_init();
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(name, strv_skip(argv, 1)) {
+ _cleanup_strv_free_ char **dropins = NULL;
+ _cleanup_free_ char *path = NULL;
+ const char *link_config;
+
+ link_config = startswith(*name, "@");
+ if (link_config) {
+ ReloadFlags flags;
+
+ r = get_config_files_by_link_config(link_config, &rtnl, &path, &dropins, &flags);
+ if (r < 0)
+ return r;
+
+ reload |= flags;
+
+ r = add_config_to_edit(&context, path, dropins);
+ if (r < 0)
+ return r;
+
+ continue;
+ }
+
+ if (ENDSWITH_SET(*name, ".network", ".netdev"))
+ reload |= RELOAD_NETWORKD;
+ else if (endswith(*name, ".link"))
+ reload |= RELOAD_UDEVD;
+ else
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid network config name '%s'.", *name);
+
+ r = get_config_files_by_name(*name, &path, &dropins);
+ if (r == -ENOENT) {
+ if (arg_drop_in)
+ return log_error_errno(r, "Cannot find network config '%s'.", *name);
+
+ log_debug("No existing network config '%s' found, creating a new file.", *name);
+
+ path = path_join(NETWORK_DIRS[0], *name);
+ if (!path)
+ return log_oom();
+
+ r = edit_files_add(&context, path, NULL, NULL);
+ if (r < 0)
+ return r;
+ continue;
+ }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get the path of network config '%s': %m", *name);
+
+ r = add_config_to_edit(&context, path, dropins);
+ if (r < 0)
+ return r;
+ }
+
+ r = do_edit_files_and_install(&context);
+ if (r < 0)
+ return r;
+
+ if (arg_no_reload)
+ return 0;
+
+ if (!sd_booted() || running_in_chroot() > 0) {
+ log_debug("System is not booted with systemd or is running in chroot, skipping reload.");
+ return 0;
+ }
+
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+
+ r = sd_bus_open_system(&bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to system bus: %m");
+
+ if (FLAGS_SET(reload, RELOAD_UDEVD)) {
+ r = udevd_reload(bus);
+ if (r < 0)
+ return r;
+ }
+
+ if (FLAGS_SET(reload, RELOAD_NETWORKD)) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ if (!networkd_is_running()) {
+ log_debug("systemd-networkd is not running, skipping reload.");
+ return 0;
+ }
+
+ r = bus_call_method(bus, bus_network_mgr, "Reload", &error, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to reload systemd-networkd: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int verb_cat(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ int r, ret = 0;
+
+ pager_open(arg_pager_flags);
+
+ STRV_FOREACH(name, strv_skip(argv, 1)) {
+ _cleanup_strv_free_ char **dropins = NULL;
+ _cleanup_free_ char *path = NULL;
+ const char *link_config;
+
+ link_config = startswith(*name, "@");
+ if (link_config) {
+ r = get_config_files_by_link_config(link_config, &rtnl, &path, &dropins, /* ret_reload = */ NULL);
+ if (r < 0)
+ return ret < 0 ? ret : r;
+ } else {
+ r = get_config_files_by_name(*name, &path, &dropins);
+ if (r == -ENOENT) {
+ log_error_errno(r, "Cannot find network config file '%s'.", *name);
+ ret = ret < 0 ? ret : r;
+ continue;
+ }
+ if (r < 0) {
+ log_error_errno(r, "Failed to get the path of network config '%s': %m", *name);
+ return ret < 0 ? ret : r;
+ }
+ }
+
+ r = cat_files(path, dropins, /* flags = */ CAT_FORMAT_HAS_SECTIONS);
+ if (r < 0)
+ return ret < 0 ? ret : r;
+ }
+
+ return ret;
+}
+
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("networkctl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%s [OPTIONS...] COMMAND\n\n"
+ "%sQuery and control the networking subsystem.%s\n"
+ "\nCommands:\n"
+ " list [PATTERN...] List links\n"
+ " status [PATTERN...] Show link status\n"
+ " lldp [PATTERN...] Show LLDP neighbors\n"
+ " label Show current address label entries in the kernel\n"
+ " delete DEVICES... Delete virtual netdevs\n"
+ " up DEVICES... Bring devices up\n"
+ " down DEVICES... Bring devices down\n"
+ " renew DEVICES... Renew dynamic configurations\n"
+ " forcerenew DEVICES... Trigger DHCP reconfiguration of all connected clients\n"
+ " reconfigure DEVICES... Reconfigure interfaces\n"
+ " reload Reload .network and .netdev files\n"
+ " edit FILES|DEVICES... Edit network configuration files\n"
+ " cat FILES|DEVICES... Show network configuration files\n"
+ "\nOptions:\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
+ " -a --all Show status for all links\n"
+ " -s --stats Show detailed link statistics\n"
+ " -l --full Do not ellipsize output\n"
+ " -n --lines=INTEGER Number of journal entries to show\n"
+ " --json=pretty|short|off\n"
+ " Generate JSON output\n"
+ " --no-reload Do not reload systemd-networkd or systemd-udevd\n"
+ " after editing network config\n"
+ " --drop-in=NAME Edit specified drop-in instead of main config file\n"
+ "\nSee the %s for details.\n",
+ program_invocation_short_name,
+ ansi_highlight(),
+ ansi_normal(),
+ link);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_JSON,
+ ARG_NO_RELOAD,
+ ARG_DROP_IN,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "all", no_argument, NULL, 'a' },
+ { "stats", no_argument, NULL, 's' },
+ { "full", no_argument, NULL, 'l' },
+ { "lines", required_argument, NULL, 'n' },
+ { "json", required_argument, NULL, ARG_JSON },
+ { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
+ { "drop-in", required_argument, NULL, ARG_DROP_IN },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hasln:", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
+ case ARG_NO_RELOAD:
+ arg_no_reload = true;
+ break;
+
+ case ARG_DROP_IN:
+ if (isempty(optarg))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Empty drop-in file name.");
+
+ if (!endswith(optarg, ".conf")) {
+ char *conf;
+
+ conf = strjoin(optarg, ".conf");
+ if (!conf)
+ return log_oom();
+
+ free_and_replace(arg_drop_in, conf);
+ } else {
+ r = free_and_strdup(&arg_drop_in, optarg);
+ if (r < 0)
+ return log_oom();
+ }
+
+ if (!filename_is_valid(arg_drop_in))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid drop-in file name '%s'.", arg_drop_in);
+
+ break;
+
+ case 'a':
+ arg_all = true;
+ break;
+
+ case 's':
+ arg_stats = true;
+ break;
+
+ case 'l':
+ arg_full = true;
+ break;
+
+ case 'n':
+ if (safe_atou(optarg, &arg_lines) < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse lines '%s'", optarg);
+ break;
+
+ case ARG_JSON:
+ r = parse_json_argument(optarg, &arg_json_format_flags);
+ if (r <= 0)
+ return r;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+ }
+
+ return 1;
+}
+
+static int networkctl_main(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_links },
+ { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, link_status },
+ { "lldp", VERB_ANY, VERB_ANY, 0, link_lldp_status },
+ { "label", 1, 1, 0, list_address_labels },
+ { "delete", 2, VERB_ANY, 0, link_delete },
+ { "up", 2, VERB_ANY, 0, link_up_down },
+ { "down", 2, VERB_ANY, 0, link_up_down },
+ { "renew", 2, VERB_ANY, VERB_ONLINE_ONLY, link_renew },
+ { "forcerenew", 2, VERB_ANY, VERB_ONLINE_ONLY, link_force_renew },
+ { "reconfigure", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_reconfigure },
+ { "reload", 1, 1, VERB_ONLINE_ONLY, verb_reload },
+ { "edit", 2, VERB_ANY, 0, verb_edit },
+ { "cat", 2, VERB_ANY, 0, verb_cat },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+static int run(int argc, char* argv[]) {
+ int r;
+
+ log_setup();
+
+ sigbus_install();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ return networkctl_main(argc, argv);
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 05:13:42 +0000