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-rw-r--r--src/network/networkctl.c1142
1 files changed, 0 insertions, 1142 deletions
diff --git a/src/network/networkctl.c b/src/network/networkctl.c
deleted file mode 100644
index 6f7f41bf7d..0000000000
--- a/src/network/networkctl.c
+++ /dev/null
@@ -1,1142 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <getopt.h>
-#include <net/if.h>
-#include <stdbool.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 "device-util.h"
-#include "ether-addr-util.h"
-#include "fd-util.h"
-#include "hwdb-util.h"
-#include "local-addresses.h"
-#include "locale-util.h"
-#include "netlink-util.h"
-#include "pager.h"
-#include "parse-util.h"
-#include "socket-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 "util.h"
-#include "verbs.h"
-
-static bool arg_no_pager = false;
-static bool arg_legend = true;
-static bool arg_all = false;
-
-static int link_get_type_string(unsigned short iftype, sd_device *d, char **ret) {
- const char *t;
- char *p;
-
- assert(ret);
-
- if (iftype == ARPHRD_ETHER && d) {
- const char *devtype = NULL, *id = NULL;
- /* WLANs have iftype ARPHRD_ETHER, but we want
- * to show a more useful type string for
- * them */
-
- (void) sd_device_get_devtype(d, &devtype);
-
- if (streq_ptr(devtype, "wlan"))
- id = "wlan";
- else if (streq_ptr(devtype, "wwan"))
- id = "wwan";
-
- if (id) {
- p = strdup(id);
- if (!p)
- return -ENOMEM;
-
- *ret = p;
- return 1;
- }
- }
-
- t = arphrd_to_name(iftype);
- if (!t) {
- *ret = NULL;
- return 0;
- }
-
- p = strdup(t);
- if (!p)
- return -ENOMEM;
-
- ascii_strlower(p);
- *ret = p;
-
- return 0;
-}
-
-static void operational_state_to_color(const char *state, const char **on, const char **off) {
- assert(on);
- assert(off);
-
- if (streq_ptr(state, "routable")) {
- *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 LinkInfo {
- char name[IFNAMSIZ+1];
- int ifindex;
- unsigned short iftype;
- struct ether_addr mac_address;
- uint32_t mtu;
-
- bool has_mac_address:1;
- bool has_mtu:1;
-} LinkInfo;
-
-static int link_info_compare(const void *a, const void *b) {
- const LinkInfo *x = a, *y = b;
-
- return x->ifindex - y->ifindex;
-}
-
-static int decode_link(sd_netlink_message *m, LinkInfo *info) {
- const char *name;
- uint16_t type;
- int r;
-
- 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, &info->ifindex);
- if (r < 0)
- return r;
-
- r = sd_netlink_message_read_string(m, IFLA_IFNAME, &name);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_link_get_type(m, &info->iftype);
- if (r < 0)
- return r;
-
- strscpy(info->name, sizeof info->name, name);
-
- info->has_mac_address =
- sd_netlink_message_read_ether_addr(m, IFLA_ADDRESS, &info->mac_address) >= 0 &&
- memcmp(&info->mac_address, &ETHER_ADDR_NULL, sizeof(struct ether_addr)) != 0;
-
- info->has_mtu =
- sd_netlink_message_read_u32(m, IFLA_MTU, &info->mtu) &&
- info->mtu > 0;
-
- return 1;
-}
-
-static int acquire_link_info_strv(sd_netlink *rtnl, char **l, LinkInfo **ret) {
- _cleanup_free_ LinkInfo *links = NULL;
- char **i;
- size_t c = 0;
- int r;
-
- assert(rtnl);
- assert(ret);
-
- links = new(LinkInfo, strv_length(l));
- if (!links)
- return log_oom();
-
- STRV_FOREACH(i, l) {
- _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
- int ifindex;
-
- if (parse_ifindex(*i, &ifindex) >= 0)
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
- else {
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_netlink_message_append_string(req, IFLA_IFNAME, *i);
- }
- 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 request link: %m");
-
- r = decode_link(reply, links + c);
- if (r < 0)
- return r;
- if (r > 0)
- c++;
- }
-
- qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
-
- *ret = links;
- links = NULL;
-
- return (int) c;
-}
-
-static int acquire_link_info_all(sd_netlink *rtnl, LinkInfo **ret) {
- _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
- _cleanup_free_ LinkInfo *links = NULL;
- size_t allocated = 0, c = 0;
- 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_REALLOC(links, allocated, c+1))
- return -ENOMEM;
-
- r = decode_link(i, links + c);
- if (r < 0)
- return r;
- if (r > 0)
- c++;
- }
-
- qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
-
- *ret = links;
- links = NULL;
-
- 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;
- int c, i, r;
-
- r = sd_netlink_open(&rtnl);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to netlink: %m");
-
- if (argc > 1)
- c = acquire_link_info_strv(rtnl, argv + 1, &links);
- else
- c = acquire_link_info_all(rtnl, &links);
- if (c < 0)
- return c;
-
- pager_open(arg_no_pager, false);
-
- if (arg_legend)
- printf("%3s %-16s %-18s %-11s %-10s\n",
- "IDX",
- "LINK",
- "TYPE",
- "OPERATIONAL",
- "SETUP");
-
- 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);
-
- (void) link_get_type_string(links[i].iftype, d, &t);
-
- printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
- links[i].ifindex, links[i].name, strna(t),
- on_color_operational, strna(operational_state), off_color_operational,
- on_color_setup, strna(setup_state), off_color_setup);
- }
-
- 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(family == AF_INET || family == 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 = {};
- struct ether_addr mac = {};
- 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_ether_addr(m, NDA_LLADDR, &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,
- const char *prefix,
- int ifindex) {
- _cleanup_free_ struct local_address *local = NULL;
- int r, n, i;
-
- assert(rtnl);
- assert(prefix);
-
- 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;
-
- 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");
-
- printf("%*s%s",
- (int) strlen(prefix),
- i == 0 ? prefix : "",
- gateway);
-
- if (description)
- printf(" (%s)", description);
-
- /* Show interface name for the entry if we show
- * entries for all interfaces */
- if (ifindex <= 0) {
- char name[IF_NAMESIZE+1];
-
- if (if_indextoname(local[i].ifindex, name)) {
- fputs(" on ", stdout);
- fputs(name, stdout);
- } else
- printf(" on %%%i", local[i].ifindex);
- }
-
- fputc('\n', stdout);
- }
-
- return 0;
-}
-
-static int dump_addresses(
- sd_netlink *rtnl,
- const char *prefix,
- int ifindex) {
-
- _cleanup_free_ struct local_address *local = NULL;
- int r, n, i;
-
- assert(rtnl);
- assert(prefix);
-
- 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 = in_addr_to_string(local[i].family, &local[i].address, &pretty);
- if (r < 0)
- return r;
-
- printf("%*s%s",
- (int) strlen(prefix),
- i == 0 ? prefix : "",
- pretty);
-
- if (ifindex <= 0) {
- char name[IF_NAMESIZE+1];
-
- if (if_indextoname(local[i].ifindex, name)) {
- fputs(" on ", stdout);
- fputs(name, stdout);
- } else
- printf(" on %%%i", local[i].ifindex);
- }
-
- fputc('\n', stdout);
- }
-
- 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;
-
- 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(const char *prefix, int ifindex) {
- _cleanup_fclose_ FILE *f = NULL;
- int r, c = 0;
-
- assert(prefix);
- assert(ifindex > 0);
-
- r = open_lldp_neighbors(ifindex, &f);
- 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;
-
- printf("%*s",
- (int) strlen(prefix),
- c == 0 ? prefix : "");
-
- (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);
-
- printf("%s on port %s", strna(system_name), strna(port_id));
-
- if (!isempty(port_description))
- printf(" (%s)", port_description);
-
- putchar('\n');
-
- c++;
- }
-
- return c;
-}
-
-static void dump_ifindexes(const char *prefix, const int *ifindexes) {
- unsigned c;
-
- assert(prefix);
-
- if (!ifindexes || ifindexes[0] <= 0)
- return;
-
- for (c = 0; ifindexes[c] > 0; c++) {
- char name[IF_NAMESIZE+1];
-
- printf("%*s",
- (int) strlen(prefix),
- c == 0 ? prefix : "");
-
- if (if_indextoname(ifindexes[c], name))
- fputs(name, stdout);
- else
- printf("%i", ifindexes[c]);
-
- fputc('\n', stdout);
- }
-}
-
-static void dump_list(const char *prefix, char **l) {
- char **i;
-
- if (strv_isempty(l))
- return;
-
- STRV_FOREACH(i, l) {
- printf("%*s%s\n",
- (int) strlen(prefix),
- i == l ? prefix : "",
- *i);
- }
-}
-
-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;
- 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);
-
- r = sd_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE", &vendor);
- if (r < 0)
- (void) sd_device_get_property_value(d, "ID_VENDOR", &vendor);
-
- r = sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model);
- if (r < 0)
- (void) sd_device_get_property_value(d, "ID_MODEL", &model);
- }
-
- (void) link_get_type_string(info->iftype, d, &t);
-
- (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);
-
- printf("%s%s%s %i: %s\n", on_color_operational, special_glyph(BLACK_CIRCLE), off_color_operational, info->ifindex, info->name);
-
- printf(" Link File: %s\n"
- " Network File: %s\n"
- " Type: %s\n"
- " State: %s%s%s (%s%s%s)\n",
- strna(link),
- strna(network),
- strna(t),
- on_color_operational, strna(operational_state), off_color_operational,
- on_color_setup, strna(setup_state), off_color_setup);
-
- if (path)
- printf(" Path: %s\n", path);
- if (driver)
- printf(" Driver: %s\n", driver);
- if (vendor)
- printf(" Vendor: %s\n", vendor);
- if (model)
- printf(" Model: %s\n", model);
-
- 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);
-
- if (description)
- printf(" HW Address: %s (%s)\n", ether_addr_to_string(&info->mac_address, ea), description);
- else
- printf(" HW Address: %s\n", ether_addr_to_string(&info->mac_address, ea));
- }
-
- if (info->has_mtu)
- printf(" MTU: %u\n", info->mtu);
-
- (void) dump_addresses(rtnl, " Address: ", info->ifindex);
- (void) dump_gateways(rtnl, hwdb, " Gateway: ", info->ifindex);
-
- dump_list(" DNS: ", dns);
- dump_list(" Search Domains: ", search_domains);
- dump_list(" Route Domains: ", route_domains);
-
- dump_list(" NTP: ", ntp);
-
- dump_ifindexes("Carrier Bound To: ", carrier_bound_to);
- dump_ifindexes("Carrier Bound By: ", carrier_bound_by);
-
- (void) sd_network_link_get_timezone(info->ifindex, &tz);
- if (tz)
- printf(" Time Zone: %s\n", tz);
-
- (void) dump_lldp_neighbors(" Connected To: ", info->ifindex);
-
- return 0;
-}
-
-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;
-
- assert(rtnl);
-
- (void) sd_network_get_operational_state(&operational_state);
- operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
-
- printf("%s%s%s State: %s%s%s\n",
- on_color_operational, special_glyph(BLACK_CIRCLE), off_color_operational,
- on_color_operational, strna(operational_state), off_color_operational);
-
- (void) dump_addresses(rtnl, " Address: ", 0);
- (void) dump_gateways(rtnl, hwdb, " Gateway: ", 0);
-
- (void) sd_network_get_dns(&dns);
- dump_list(" DNS: ", dns);
-
- (void) sd_network_get_search_domains(&search_domains);
- dump_list("Search Domains: ", search_domains);
-
- (void) sd_network_get_route_domains(&route_domains);
- dump_list(" Route Domains: ", route_domains);
-
- (void) sd_network_get_ntp(&ntp);
- dump_list(" NTP: ", ntp);
-
- return 0;
-}
-
-static int link_status(int argc, char *argv[], void *userdata) {
- _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;
-
- pager_open(arg_no_pager, false);
-
- 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_all(rtnl, &links);
- else if (argc <= 1)
- return system_status(rtnl, hwdb);
- else
- c = acquire_link_info_strv(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;
- int i, r, c, m = 0;
- uint16_t all = 0;
-
- r = sd_netlink_open(&rtnl);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to netlink: %m");
-
- if (argc > 1)
- c = acquire_link_info_strv(rtnl, argv + 1, &links);
- else
- c = acquire_link_info_all(rtnl, &links);
- if (c < 0)
- return c;
-
- pager_open(arg_no_pager, false);
-
- if (arg_legend)
- printf("%-16s %-17s %-16s %-11s %-17s %-16s\n",
- "LINK",
- "CHASSIS ID",
- "SYSTEM NAME",
- "CAPS",
- "PORT ID",
- "PORT DESCRIPTION");
-
- 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;
- const char *chassis_id = NULL, *port_id = NULL, *system_name = NULL, *port_description = NULL, *capabilities = 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;
- }
-
- printf("%-16s %-17s %-16s %-11s %-17s %-16s\n",
- links[i].name,
- strna(chassis_id),
- strna(system_name),
- strna(capabilities),
- strna(port_id),
- strna(port_description));
-
- m++;
- }
- }
-
- if (arg_legend) {
- lldp_capabilities_legend(all);
- printf("\n%i neighbors listed.\n", m);
- }
-
- return 0;
-}
-
-static void help(void) {
- 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\n"
- "Commands:\n"
- " list [LINK...] List links\n"
- " status [LINK...] Show link status\n"
- " lldp [LINK...] Show LLDP neighbors\n"
- , program_invocation_short_name);
-}
-
-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' },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- return version();
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_NO_LEGEND:
- arg_legend = false;
- break;
-
- case 'a':
- arg_all = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
- }
-
- return 1;
-}
-
-static int networkctl_main(int argc, char *argv[]) {
- 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 },
- {}
- };
-
- 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");
-}
-
-int main(int argc, char* argv[]) {
- int r;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- warn_networkd_missing();
-
- r = networkctl_main(argc, argv);
-
-finish:
- pager_close();
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 11:32:01 +0000