| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #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 "sd-bus.h" |
| #include "sd-device.h" |
| #include "sd-hwdb.h" |
| #include "sd-lldp.h" |
| #include "sd-netlink.h" |
| #include "sd-network.h" |
| |
| #include "alloc-util.h" |
| #include "arphrd-list.h" |
| #include "bus-common-errors.h" |
| #include "bus-error.h" |
| #include "bus-util.h" |
| #include "device-util.h" |
| #include "ether-addr-util.h" |
| #include "ethtool-util.h" |
| #include "fd-util.h" |
| #include "format-table.h" |
| #include "format-util.h" |
| #include "hwdb-util.h" |
| #include "local-addresses.h" |
| #include "locale-util.h" |
| #include "macro.h" |
| #include "main-func.h" |
| #include "netlink-util.h" |
| #include "pager.h" |
| #include "parse-util.h" |
| #include "pretty-print.h" |
| #include "set.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 "verbs.h" |
| |
| /* Kernel defines MODULE_NAME_LEN as 64 - sizeof(unsigned long). So, 64 is enough. */ |
| #define NETDEV_KIND_MAX 64 |
| |
| static PagerFlags arg_pager_flags = 0; |
| static bool arg_legend = true; |
| static bool arg_all = false; |
| static bool arg_stats = false; |
| |
| static char *link_get_type_string(unsigned short iftype, sd_device *d) { |
| const char *t, *devtype; |
| char *p; |
| |
| if (d && |
| sd_device_get_devtype(d, &devtype) >= 0 && |
| !isempty(devtype)) |
| return strdup(devtype); |
| |
| t = arphrd_to_name(iftype); |
| if (!t) |
| return NULL; |
| |
| p = strdup(t); |
| if (!p) |
| return NULL; |
| |
| ascii_strlower(p); |
| return p; |
| } |
| |
| static void operational_state_to_color(const char *state, const char **on, const char **off) { |
| assert(on); |
| assert(off); |
| |
| if (STRPTR_IN_SET(state, "routable", "enslaved")) { |
| *on = ansi_highlight_green(); |
| *off = ansi_normal(); |
| } else if (streq_ptr(state, "degraded")) { |
| *on = ansi_highlight_yellow(); |
| *off = ansi_normal(); |
| } else |
| *on = *off = ""; |
| } |
| |
| static void setup_state_to_color(const char *state, const char **on, const char **off) { |
| assert(on); |
| assert(off); |
| |
| if (streq_ptr(state, "configured")) { |
| *on = ansi_highlight_green(); |
| *off = ansi_normal(); |
| } else if (streq_ptr(state, "configuring")) { |
| *on = ansi_highlight_yellow(); |
| *off = ansi_normal(); |
| } else if (STRPTR_IN_SET(state, "failed", "linger")) { |
| *on = ansi_highlight_red(); |
| *off = ansi_normal(); |
| } else |
| *on = *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; |
| |
| } VxLanInfo; |
| |
| typedef struct LinkInfo { |
| char name[IFNAMSIZ+1]; |
| char netdev_kind[NETDEV_KIND_MAX]; |
| int ifindex; |
| unsigned short iftype; |
| struct ether_addr mac_address; |
| uint32_t mtu; |
| uint32_t min_mtu; |
| uint32_t max_mtu; |
| uint32_t tx_queues; |
| uint32_t rx_queues; |
| |
| 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; |
| uint16_t priority; |
| uint8_t mcast_igmp_version; |
| |
| /* vxlan info */ |
| VxLanInfo vxlan_info; |
| |
| /* ethtool info */ |
| int autonegotiation; |
| size_t speed; |
| Duplex duplex; |
| NetDevPort port; |
| |
| bool has_mac_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; |
| } LinkInfo; |
| |
| static int link_info_compare(const LinkInfo *a, const LinkInfo *b) { |
| return CMP(a->ifindex, b->ifindex); |
| } |
| |
| static int decode_netdev(sd_netlink_message *m, LinkInfo *info) { |
| const char *received_kind; |
| 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(m, IFLA_INFO_KIND, &received_kind); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_message_enter_container(m, IFLA_INFO_DATA); |
| if (r < 0) |
| return r; |
| |
| if (streq(received_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_u16(m, IFLA_BR_PRIORITY, &info->priority); |
| (void) sd_netlink_message_read_u8(m, IFLA_BR_MCAST_IGMP_VERSION, &info->mcast_igmp_version); |
| |
| } else if (streq(received_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); |
| } |
| |
| strncpy(info->netdev_kind, received_kind, IFNAMSIZ); |
| |
| (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 **patterns) { |
| const char *name; |
| 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; |
| |
| if (patterns) { |
| char str[DECIMAL_STR_MAX(int)]; |
| |
| xsprintf(str, "%i", ifindex); |
| |
| if (!strv_fnmatch(patterns, str, 0) && !strv_fnmatch(patterns, name, 0)) |
| return 0; |
| } |
| |
| 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->has_mac_address = |
| sd_netlink_message_read_ether_addr(m, IFLA_ADDRESS, &info->mac_address) >= 0 && |
| memcmp(&info->mac_address, ÐER_ADDR_NULL, sizeof(struct ether_addr)) != 0; |
| |
| (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; |
| |
| /* fill kind info */ |
| (void) decode_netdev(m, info); |
| |
| return 1; |
| } |
| |
| static int acquire_link_bitrates(sd_bus *bus, LinkInfo *link) { |
| _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
| _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_free_ char *path = NULL, *ifindex_str = NULL; |
| int r; |
| |
| if (asprintf(&ifindex_str, "%i", link->ifindex) < 0) |
| return -ENOMEM; |
| |
| r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex_str, &path); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.network1", |
| path, |
| "org.freedesktop.DBus.Properties", |
| "Get", |
| &error, |
| &reply, |
| "ss", |
| "org.freedesktop.network1.Link", |
| "BitRates"); |
| if (r < 0) { |
| bool quiet = sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_PROPERTY); |
| |
| 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_enter_container(reply, 'v', "(tt)"); |
| if (r < 0) |
| return bus_log_parse_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 int acquire_link_info(sd_bus *bus, sd_netlink *rtnl, char **patterns, LinkInfo **ret) { |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
| _cleanup_free_ LinkInfo *links = NULL; |
| _cleanup_close_ int fd = -1; |
| size_t allocated = 0, c = 0, j; |
| sd_netlink_message *i; |
| 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_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"); |
| |
| for (i = reply; i; i = sd_netlink_message_next(i)) { |
| if (!GREEDY_REALLOC0(links, allocated, c+1)) |
| return -ENOMEM; |
| |
| r = decode_link(i, links + c, patterns); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| continue; |
| |
| r = ethtool_get_link_info(&fd, links[c].name, |
| &links[c].autonegotiation, &links[c].speed, |
| &links[c].duplex, &links[c].port); |
| if (r >= 0) |
| links[c].has_ethtool_link_info = true; |
| |
| c++; |
| } |
| |
| typesafe_qsort(links, c, link_info_compare); |
| |
| if (bus) |
| for (j = 0; j < c; j++) |
| (void) acquire_link_bitrates(bus, links + j); |
| |
| *ret = TAKE_PTR(links); |
| |
| return (int) c; |
| } |
| |
| static int list_links(int argc, char *argv[], void *userdata) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_free_ LinkInfo *links = NULL; |
| _cleanup_(table_unrefp) Table *table = NULL; |
| TableCell *cell; |
| int c, i, r; |
| |
| r = sd_netlink_open(&rtnl); |
| if (r < 0) |
| return log_error_errno(r, "Failed to connect to netlink: %m"); |
| |
| c = acquire_link_info(NULL, rtnl, argc > 1 ? argv + 1 : NULL, &links); |
| if (c < 0) |
| return c; |
| |
| (void) pager_open(arg_pager_flags); |
| |
| table = table_new("idx", "link", "type", "operational", "setup"); |
| if (!table) |
| return log_oom(); |
| |
| table_set_header(table, arg_legend); |
| |
| 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); |
| |
| for (i = 0; i < c; i++) { |
| _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; |
| _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
| const char *on_color_operational, *off_color_operational, |
| *on_color_setup, *off_color_setup; |
| char devid[2 + DECIMAL_STR_MAX(int)]; |
| _cleanup_free_ char *t = NULL; |
| |
| (void) sd_network_link_get_operational_state(links[i].ifindex, &operational_state); |
| operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); |
| |
| r = sd_network_link_get_setup_state(links[i].ifindex, &setup_state); |
| if (r == -ENODATA) /* If there's no info available about this iface, it's unmanaged by networkd */ |
| setup_state = strdup("unmanaged"); |
| setup_state_to_color(setup_state, &on_color_setup, &off_color_setup); |
| |
| xsprintf(devid, "n%i", links[i].ifindex); |
| (void) sd_device_new_from_device_id(&d, devid); |
| |
| t = link_get_type_string(links[i].iftype, d); |
| |
| r = table_add_many(table, |
| TABLE_INT, links[i].ifindex, |
| TABLE_STRING, links[i].name, |
| TABLE_STRING, strna(t), |
| TABLE_STRING, strna(operational_state), |
| TABLE_SET_COLOR, on_color_operational, |
| TABLE_STRING, strna(setup_state), |
| TABLE_SET_COLOR, on_color_setup); |
| if (r < 0) |
| return r; |
| } |
| |
| r = table_print(table, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to print table: %m"); |
| |
| 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) { |
| const char *description; |
| char modalias[STRLEN("OUI:XXYYXXYYXXYY") + 1], *desc; |
| int r; |
| |
| assert(ret); |
| |
| if (!hwdb) |
| return -EINVAL; |
| |
| if (!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 = desc; |
| |
| return 0; |
| } |
| |
| static int get_gateway_description( |
| sd_netlink *rtnl, |
| sd_hwdb *hwdb, |
| int ifindex, |
| int family, |
| union in_addr_union *gateway, |
| char **gateway_description) { |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
| sd_netlink_message *m; |
| int r; |
| |
| assert(rtnl); |
| assert(ifindex >= 0); |
| assert(IN_SET(family, AF_INET, AF_INET6)); |
| assert(gateway); |
| assert(gateway_description); |
| |
| r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_message_request_dump(req, true); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_call(rtnl, req, 0, &reply); |
| if (r < 0) |
| return r; |
| |
| for (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, "got error: %m"); |
| continue; |
| } |
| |
| r = sd_netlink_message_get_type(m, &type); |
| if (r < 0) { |
| log_error_errno(r, "could not get type: %m"); |
| continue; |
| } |
| |
| if (type != RTM_NEWNEIGH) { |
| log_error("type is not RTM_NEWNEIGH"); |
| continue; |
| } |
| |
| r = sd_rtnl_message_neigh_get_family(m, &fam); |
| if (r < 0) { |
| log_error_errno(r, "could not get family: %m"); |
| continue; |
| } |
| |
| if (fam != family) { |
| log_error("family is not correct"); |
| continue; |
| } |
| |
| r = sd_rtnl_message_neigh_get_ifindex(m, &ifi); |
| if (r < 0) { |
| log_error_errno(r, "could not get ifindex: %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, gateway_description); |
| if (r < 0) |
| continue; |
| |
| return 0; |
| } |
| |
| return -ENODATA; |
| } |
| |
| static int dump_gateways( |
| sd_netlink *rtnl, |
| sd_hwdb *hwdb, |
| Table *table, |
| int ifindex) { |
| _cleanup_free_ struct local_address *local = NULL; |
| int r, n, i; |
| |
| assert(rtnl); |
| assert(table); |
| |
| n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local); |
| if (n < 0) |
| return n; |
| |
| for (i = 0; i < n; i++) { |
| _cleanup_free_ char *gateway = NULL, *description = NULL, *with_description = NULL; |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, i == 0 ? "Gateway:" : ""); |
| if (r < 0) |
| return r; |
| |
| r = in_addr_to_string(local[i].family, &local[i].address, &gateway); |
| if (r < 0) |
| return r; |
| |
| r = get_gateway_description(rtnl, hwdb, local[i].ifindex, local[i].family, &local[i].address, &description); |
| if (r < 0) |
| log_debug_errno(r, "Could not get description of gateway: %m"); |
| |
| if (description) { |
| with_description = strjoin(gateway, " (", description, ")"); |
| if (!with_description) |
| return -ENOMEM; |
| } |
| |
| /* Show interface name for the entry if we show |
| * entries for all interfaces */ |
| if (ifindex <= 0) { |
| char name[IF_NAMESIZE+1]; |
| |
| if (format_ifname(local[i].ifindex, name)) |
| r = table_add_cell_stringf(table, NULL, "%s on %s", with_description ?: gateway, name); |
| else |
| r = table_add_cell_stringf(table, NULL, "%s on %%%i", with_description ?: gateway, local[i].ifindex); |
| } else |
| r = table_add_cell(table, NULL, TABLE_STRING, with_description ?: gateway); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int dump_addresses( |
| sd_netlink *rtnl, |
| Table *table, |
| int ifindex) { |
| |
| _cleanup_free_ struct local_address *local = NULL; |
| int r, n, i; |
| |
| assert(rtnl); |
| assert(table); |
| |
| n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local); |
| if (n < 0) |
| return n; |
| |
| for (i = 0; i < n; i++) { |
| _cleanup_free_ char *pretty = NULL; |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, i == 0 ? "Address:" : ""); |
| if (r < 0) |
| return r; |
| |
| r = in_addr_to_string(local[i].family, &local[i].address, &pretty); |
| if (r < 0) |
| return r; |
| |
| if (ifindex <= 0) { |
| char name[IF_NAMESIZE+1]; |
| |
| if (format_ifname(local[i].ifindex, name)) |
| r = table_add_cell_stringf(table, NULL, "%s on %s", pretty, name); |
| else |
| r = table_add_cell_stringf(table, NULL, "%s on %%%i", pretty, local[i].ifindex); |
| } else |
| r = table_add_cell(table, NULL, TABLE_STRING, pretty); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| 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; |
| sd_netlink_message *m; |
| 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_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 -ENOMEM; |
| |
| r = table_set_sort(table, 0, SIZE_MAX); |
| 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 (m = reply; m; m = sd_netlink_message_next(m)) { |
| _cleanup_free_ char *pretty = NULL; |
| union in_addr_union prefix = IN_ADDR_NULL; |
| uint8_t prefixlen; |
| uint32_t label; |
| |
| r = sd_netlink_message_get_errno(m); |
| if (r < 0) { |
| log_error_errno(r, "got error: %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.in6); |
| if (r < 0) |
| continue; |
| |
| r = in_addr_to_string(AF_INET6, &prefix, &pretty); |
| 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 r; |
| |
| r = table_add_cell_stringf(table, NULL, "%s/%u", pretty, prefixlen); |
| if (r < 0) |
| return r; |
| } |
| |
| return table_print(table, NULL); |
| } |
| |
| 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"); |
| |
| dump_address_labels(rtnl); |
| |
| return 0; |
| } |
| |
| static int open_lldp_neighbors(int ifindex, FILE **ret) { |
| _cleanup_free_ char *p = NULL; |
| FILE *f; |
| |
| if (asprintf(&p, "/run/systemd/netif/lldp/%i", ifindex) < 0) |
| return -ENOMEM; |
| |
| f = fopen(p, "re"); |
| if (!f) |
| return -errno; |
| |
| *ret = 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_fclose_ FILE *f = NULL; |
| int r, c = 0; |
| |
| 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; |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, c == 0 ? prefix : ""); |
| if (r < 0) |
| return r; |
| |
| (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 = table_add_cell_stringf(table, NULL, |
| "%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 r; |
| |
| c++; |
| } |
| |
| return c; |
| } |
| |
| static int dump_ifindexes(Table *table, const char *prefix, const int *ifindexes) { |
| unsigned c; |
| int r; |
| |
| assert(prefix); |
| |
| if (!ifindexes || ifindexes[0] <= 0) |
| return 0; |
| |
| for (c = 0; ifindexes[c] > 0; c++) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, c == 0 ? prefix : "", |
| TABLE_IFINDEX, ifindexes[c]); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int dump_list(Table *table, const char *prefix, char **l) { |
| char **i; |
| int r; |
| |
| if (strv_isempty(l)) |
| return 0; |
| |
| STRV_FOREACH(i, l) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, i == l ? prefix : "", |
| TABLE_STRING, *i); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| #define DUMP_STATS_ONE(name, val_name) \ |
| r = table_add_many(table, \ |
| TABLE_EMPTY, \ |
| TABLE_STRING, name ":"); \ |
| if (r < 0) \ |
| return 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 r; |
| |
| static int dump_statistics(Table *table, const LinkInfo *info) { |
| int r; |
| |
| 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 link_status_one( |
| sd_netlink *rtnl, |
| sd_hwdb *hwdb, |
| const LinkInfo *info) { |
| |
| _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL; |
| _cleanup_free_ char *setup_state = NULL, *operational_state = NULL, *tz = NULL; |
| _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
| char devid[2 + DECIMAL_STR_MAX(int)]; |
| _cleanup_free_ char *t = NULL, *network = NULL; |
| const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL; |
| const char *on_color_operational, *off_color_operational, |
| *on_color_setup, *off_color_setup; |
| _cleanup_free_ int *carrier_bound_to = NULL, *carrier_bound_by = NULL; |
| _cleanup_(table_unrefp) Table *table = NULL; |
| TableCell *cell; |
| int r; |
| |
| assert(rtnl); |
| assert(info); |
| |
| (void) sd_network_link_get_operational_state(info->ifindex, &operational_state); |
| operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); |
| |
| r = sd_network_link_get_setup_state(info->ifindex, &setup_state); |
| if (r == -ENODATA) /* If there's no info available about this iface, it's unmanaged by networkd */ |
| setup_state = strdup("unmanaged"); |
| 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); |
| |
| xsprintf(devid, "n%i", info->ifindex); |
| |
| (void) sd_device_new_from_device_id(&d, devid); |
| |
| if (d) { |
| (void) sd_device_get_property_value(d, "ID_NET_LINK_FILE", &link); |
| (void) sd_device_get_property_value(d, "ID_NET_DRIVER", &driver); |
| (void) sd_device_get_property_value(d, "ID_PATH", &path); |
| |
| if (sd_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE", &vendor) < 0) |
| (void) sd_device_get_property_value(d, "ID_VENDOR", &vendor); |
| |
| if (sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model) < 0) |
| (void) sd_device_get_property_value(d, "ID_MODEL", &model); |
| } |
| |
| t = link_get_type_string(info->iftype, d); |
| |
| (void) sd_network_link_get_network_file(info->ifindex, &network); |
| |
| (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); |
| |
| table = table_new("dot", "key", "value"); |
| if (!table) |
| return -ENOMEM; |
| |
| assert_se(cell = table_get_cell(table, 0, 0)); |
| (void) table_set_ellipsize_percent(table, cell, 100); |
| |
| assert_se(cell = table_get_cell(table, 0, 1)); |
| (void) table_set_ellipsize_percent(table, cell, 100); |
| |
| table_set_header(table, false); |
| |
| r = table_add_many(table, |
| TABLE_STRING, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), |
| TABLE_SET_COLOR, on_color_operational); |
| if (r < 0) |
| return r; |
| r = table_add_cell_stringf(table, &cell, "%i: %s", info->ifindex, info->name); |
| if (r < 0) |
| return r; |
| (void) table_set_align_percent(table, cell, 0); |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_EMPTY, |
| TABLE_STRING, "Link File:", |
| TABLE_SET_ALIGN_PERCENT, 100, |
| TABLE_STRING, strna(link), |
| TABLE_EMPTY, |
| TABLE_STRING, "Network File:", |
| TABLE_STRING, strna(network), |
| TABLE_EMPTY, |
| TABLE_STRING, "Type:", |
| TABLE_STRING, strna(t), |
| TABLE_EMPTY, |
| TABLE_STRING, "State:"); |
| if (r < 0) |
| return 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, strna(setup_state), off_color_setup); |
| if (r < 0) |
| return r; |
| |
| if (path) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Path:", |
| TABLE_STRING, path); |
| if (r < 0) |
| return r; |
| } |
| if (driver) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Driver:", |
| TABLE_STRING, driver); |
| if (r < 0) |
| return r; |
| } |
| if (vendor) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Vendor:", |
| TABLE_STRING, vendor); |
| if (r < 0) |
| return r; |
| } |
| if (model) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Model:", |
| TABLE_STRING, model); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->has_mac_address) { |
| _cleanup_free_ char *description = NULL; |
| char ea[ETHER_ADDR_TO_STRING_MAX]; |
| |
| (void) ieee_oui(hwdb, &info->mac_address, &description); |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "HW Address:"); |
| if (r < 0) |
| return r; |
| r = table_add_cell_stringf(table, NULL, "%s%s%s%s", |
| ether_addr_to_string(&info->mac_address, ea), |
| description ? " (" : "", |
| strempty(description), |
| description ? ")" : ""); |
| 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_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "MTU:"); |
| if (r < 0) |
| return 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 r; |
| } |
| |
| if (streq_ptr(info->netdev_kind, "bridge")) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Forward Delay:", |
| TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->forward_delay), |
| TABLE_EMPTY, |
| TABLE_STRING, "Hello Time:", |
| TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->hello_time), |
| TABLE_EMPTY, |
| TABLE_STRING, "Max Age:", |
| TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->max_age), |
| TABLE_EMPTY, |
| TABLE_STRING, "Ageing Time:", |
| TABLE_TIMESPAN_MSEC, jiffies_to_usec(info->ageing_time), |
| TABLE_EMPTY, |
| TABLE_STRING, "Priority:", |
| TABLE_UINT16, info->priority, |
| TABLE_EMPTY, |
| TABLE_STRING, "STP:", |
| TABLE_BOOLEAN, info->stp_state > 0, |
| TABLE_EMPTY, |
| TABLE_STRING, "Multicast IGMP Version:", |
| TABLE_UINT8, info->mcast_igmp_version); |
| if (r < 0) |
| return r; |
| |
| } else if (streq_ptr(info->netdev_kind, "vxlan")) { |
| if (info->vxlan_info.vni > 0) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "VNI:", |
| TABLE_UINT32, info->vxlan_info.vni); |
| if (r < 0) |
| return r; |
| } |
| |
| if (IN_SET(info->vxlan_info.group_family, AF_INET, AF_INET6)) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Group:", |
| info->vxlan_info.group_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, |
| &info->vxlan_info.group); |
| if (r < 0) |
| return r; |
| } |
| |
| if (IN_SET(info->vxlan_info.local_family, AF_INET, AF_INET6)) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Local:", |
| info->vxlan_info.local_family == AF_INET ? TABLE_IN_ADDR : TABLE_IN6_ADDR, |
| &info->vxlan_info.local); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->vxlan_info.dest_port > 0) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Destination Port:", |
| TABLE_UINT16, be16toh(info->vxlan_info.dest_port)); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->vxlan_info.link > 0) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Underlying Device:", |
| TABLE_IFINDEX, info->vxlan_info.link); |
| if (r < 0) |
| return r; |
| } |
| } |
| |
| if (info->has_bitrates) { |
| char tx[FORMAT_BYTES_MAX], rx[FORMAT_BYTES_MAX]; |
| |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Bit Rate (Tx/Rx):"); |
| if (r < 0) |
| return r; |
| r = table_add_cell_stringf(table, NULL, "%sbps/%sbps", |
| format_bytes_full(tx, sizeof tx, info->tx_bitrate, 0), |
| format_bytes_full(rx, sizeof rx, info->rx_bitrate, 0)); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->has_tx_queues || info->has_rx_queues) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Queue Length (Tx/Rx):"); |
| if (r < 0) |
| return r; |
| r = table_add_cell_stringf(table, NULL, "%" PRIu32 "/%" PRIu32, info->tx_queues, info->rx_queues); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->has_ethtool_link_info) { |
| const char *duplex = duplex_to_string(info->duplex); |
| const char *port = port_to_string(info->port); |
| |
| if (IN_SET(info->autonegotiation, AUTONEG_DISABLE, AUTONEG_ENABLE)) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Auto negotiation:", |
| TABLE_BOOLEAN, info->autonegotiation == AUTONEG_ENABLE); |
| if (r < 0) |
| return r; |
| } |
| |
| if (info->speed > 0) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Speed:", |
| TABLE_BPS, (uint64_t) info->speed); |
| if (r < 0) |
| return r; |
| } |
| |
| if (duplex) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Duplex:", |
| TABLE_STRING, duplex); |
| if (r < 0) |
| return r; |
| } |
| |
| if (port) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Port:", |
| TABLE_STRING, port); |
| if (r < 0) |
| return r; |
| } |
| } |
| |
| r = dump_addresses(rtnl, 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_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; |
| |
| (void) sd_network_link_get_timezone(info->ifindex, &tz); |
| if (tz) { |
| r = table_add_many(table, |
| TABLE_EMPTY, |
| TABLE_STRING, "Time Zone:", |
| TABLE_STRING, tz); |
| if (r < 0) |
| return r; |
| } |
| |
| r = dump_lldp_neighbors(table, "Connected To:", info->ifindex); |
| if (r < 0) |
| return r; |
| |
| r = dump_statistics(table, info); |
| if (r < 0) |
| return r; |
| |
| return table_print(table, NULL); |
| } |
| |
| static int system_status(sd_netlink *rtnl, sd_hwdb *hwdb) { |
| _cleanup_free_ char *operational_state = NULL; |
| _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **search_domains = NULL, **route_domains = NULL; |
| const char *on_color_operational, *off_color_operational; |
| _cleanup_(table_unrefp) Table *table = NULL; |
| TableCell *cell; |
| int r; |
| |
| assert(rtnl); |
| |
| (void) sd_network_get_operational_state(&operational_state); |
| operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); |
| |
| table = table_new("dot", "key", "value"); |
| if (!table) |
| return -ENOMEM; |
| |
| assert_se(cell = table_get_cell(table, 0, 0)); |
| (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); |
| (void) table_set_ellipsize_percent(table, cell, 100); |
| |
| table_set_header(table, false); |
| |
| r = table_add_many(table, |
| TABLE_STRING, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), |
| TABLE_SET_COLOR, on_color_operational, |
| TABLE_STRING, "State:", |
| TABLE_STRING, strna(operational_state), |
| TABLE_SET_COLOR, on_color_operational); |
| |
| r = dump_addresses(rtnl, 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; |
| |
| return table_print(table, 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_free_ LinkInfo *links = NULL; |
| int r, c, i; |
| |
| (void) pager_open(arg_pager_flags); |
| |
| r = sd_bus_open_system(&bus); |
| if (r < 0) |
| return log_error_errno(r, "Failed to connect system bus: %m"); |
| |
| 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; |
| |
| for (i = 0; i < c; i++) { |
| if (i > 0) |
| fputc('\n', stdout); |
| |
| link_status_one(rtnl, hwdb, links + i); |
| } |
| |
| return 0; |
| } |
| |
| 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 w, i, 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 (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_free_ LinkInfo *links = NULL; |
| _cleanup_(table_unrefp) Table *table = NULL; |
| int i, 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; |
| |
| (void) pager_open(arg_pager_flags); |
| |
| table = table_new("link", |
| "chassis id", |
| "system name", |
| "caps", |
| "port id", |
| "port description"); |
| if (!table) |
| return -ENOMEM; |
| |
| table_set_header(table, arg_legend); |
| |
| assert_se(cell = table_get_cell(table, 0, 0)); |
| table_set_minimum_width(table, cell, 16); |
| |
| assert_se(cell = table_get_cell(table, 0, 1)); |
| table_set_minimum_width(table, cell, 17); |
| |
| assert_se(cell = table_get_cell(table, 0, 2)); |
| table_set_minimum_width(table, cell, 16); |
| |
| assert_se(cell = table_get_cell(table, 0, 3)); |
| table_set_minimum_width(table, cell, 11); |
| |
| assert_se(cell = table_get_cell(table, 0, 4)); |
| table_set_minimum_width(table, cell, 17); |
| |
| assert_se(cell = table_get_cell(table, 0, 5)); |
| table_set_minimum_width(table, cell, 16); |
| |
| for (i = 0; i < c; i++) { |
| _cleanup_fclose_ FILE *f = NULL; |
| |
| r = open_lldp_neighbors(links[i].ifindex, &f); |
| if (r == -ENOENT) |
| continue; |
| if (r < 0) { |
| log_warning_errno(r, "Failed to open LLDP data for %i, ignoring: %m", links[i].ifindex); |
| continue; |
| } |
| |
| for (;;) { |
| _cleanup_free_ char *cid = NULL, *pid = NULL, *sname = NULL, *pdesc = NULL, *capabilities = NULL; |
| const char *chassis_id = NULL, *port_id = NULL, *system_name = NULL, *port_description = NULL; |
| _cleanup_(sd_lldp_neighbor_unrefp) sd_lldp_neighbor *n = 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 (chassis_id) { |
| cid = ellipsize(chassis_id, 17, 100); |
| if (cid) |
| chassis_id = cid; |
| } |
| |
| if (port_id) { |
| pid = ellipsize(port_id, 17, 100); |
| if (pid) |
| port_id = pid; |
| } |
| |
| if (system_name) { |
| sname = ellipsize(system_name, 16, 100); |
| if (sname) |
| system_name = sname; |
| } |
| |
| if (port_description) { |
| pdesc = ellipsize(port_description, 16, 100); |
| if (pdesc) |
| port_description = pdesc; |
| } |
| |
| 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, links[i].name, |
| TABLE_STRING, strna(chassis_id), |
| TABLE_STRING, strna(system_name), |
| TABLE_STRING, strna(capabilities), |
| TABLE_STRING, strna(port_id), |
| TABLE_STRING, strna(port_description)); |
| if (r < 0) |
| return r; |
| |
| m++; |
| } |
| } |
| |
| r = table_print(table, NULL); |
| if (r < 0) |
| return 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); |
| |
| 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_delete(int argc, char *argv[], void *userdata) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_set_free_ Set *indexes = NULL; |
| int index, r, i; |
| Iterator j; |
| 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 (i = 1; i < argc; i++) { |
| r = parse_ifindex_or_ifname(argv[i], &index); |
| if (r < 0) |
| return log_error_errno(r, "Failed to resolve interface %s", argv[i]); |
| |
| r = set_put(indexes, INT_TO_PTR(index)); |
| if (r < 0) |
| return log_oom(); |
| } |
| |
| SET_FOREACH(p, indexes, j) { |
| r = link_delete_send_message(rtnl, PTR_TO_INT(p)); |
| if (r < 0) { |
| char ifname[IF_NAMESIZE + 1]; |
| |
| if (format_ifname(index, ifname)) |
| return log_error_errno(r, "Failed to delete interface %s: %m", ifname); |
| else |
| return log_error_errno(r, "Failed to delete interface %d: %m", index); |
| } |
| } |
| |
| return r; |
| } |
| |
| 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...]\n\n" |
| "Query and control the networking subsystem.\n\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 statics\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" |
| "\nSee the %s for details.\n" |
| , program_invocation_short_name |
| , link |
| ); |
| |
| return 0; |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_NO_PAGER, |
| ARG_NO_LEGEND, |
| }; |
| |
| 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' }, |
| {} |
| }; |
| |
| int c; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| while ((c = getopt_long(argc, argv, "has", 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 'a': |
| arg_all = true; |
| break; |
| |
| case 's': |
| arg_stats = true; |
| break; |
| |
| case '?': |
| return -EINVAL; |
| |
| default: |
| assert_not_reached("Unhandled option"); |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int networkctl_main(int argc, char *argv[]) { |
| static const Verb verbs[] = { |
| { "list", VERB_ANY, VERB_ANY, VERB_DEFAULT, list_links }, |
| { "status", VERB_ANY, VERB_ANY, 0, link_status }, |
| { "lldp", VERB_ANY, VERB_ANY, 0, link_lldp_status }, |
| { "label", VERB_ANY, VERB_ANY, 0, list_address_labels }, |
| { "delete", 2, VERB_ANY, 0, link_delete }, |
| {} |
| }; |
| |
| return dispatch_verb(argc, argv, verbs, NULL); |
| } |
| |
| static void warn_networkd_missing(void) { |
| |
| if (access("/run/systemd/netif/state", F_OK) >= 0) |
| return; |
| |
| fprintf(stderr, "WARNING: systemd-networkd is not running, output will be incomplete.\n\n"); |
| } |
| |
| static int run(int argc, char* argv[]) { |
| int r; |
| |
| log_show_color(true); |
| log_parse_environment(); |
| log_open(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| return r; |
| |
| warn_networkd_missing(); |
| |
| return networkctl_main(argc, argv); |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |