diff options
Diffstat (limited to 'src/network/networkctl.c')
-rw-r--r-- | src/network/networkctl.c | 1114 |
1 files changed, 0 insertions, 1114 deletions
diff --git a/src/network/networkctl.c b/src/network/networkctl.c deleted file mode 100644 index 9716499a73..0000000000 --- a/src/network/networkctl.c +++ /dev/null @@ -1,1114 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - 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 <stdbool.h> -#include <getopt.h> -#include <net/if.h> - -#include "sd-network.h" -#include "sd-rtnl.h" -#include "sd-hwdb.h" -#include "sd-device.h" - -#include "strv.h" -#include "build.h" -#include "util.h" -#include "pager.h" -#include "lldp.h" -#include "rtnl-util.h" -#include "device-util.h" -#include "hwdb-util.h" -#include "arphrd-list.h" -#include "local-addresses.h" -#include "socket-util.h" -#include "ether-addr-util.h" -#include "verbs.h" - -static bool arg_no_pager = false; -static bool arg_legend = true; -static bool arg_all = false; - -static void pager_open_if_enabled(void) { - - if (arg_no_pager) - return; - - pager_open(false); -} - -static int link_get_type_string(int iftype, sd_device *d, char **ret) { - const char *t; - char *p; - - assert(ret); - - if (iftype == ARPHRD_ETHER && d) { - const char *devtype, *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; -} - -typedef struct LinkInfo { - const char *name; - int ifindex; - unsigned iftype; -} 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_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) { - _cleanup_free_ LinkInfo *links = NULL; - size_t size = 0, c = 0; - sd_rtnl_message *i; - int r; - - for (i = m; i; i = sd_rtnl_message_next(i)) { - const char *name; - unsigned iftype; - uint16_t type; - int ifindex; - - r = sd_rtnl_message_get_type(i, &type); - if (r < 0) - return r; - - if (type != RTM_NEWLINK) - continue; - - r = sd_rtnl_message_link_get_ifindex(i, &ifindex); - if (r < 0) - return r; - - r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name); - if (r < 0) - return r; - - r = sd_rtnl_message_link_get_type(i, &iftype); - if (r < 0) - return r; - - if (!GREEDY_REALLOC(links, size, c+1)) - return -ENOMEM; - - links[c].name = name; - links[c].ifindex = ifindex; - links[c].iftype = iftype; - c++; - } - - qsort_safe(links, c, sizeof(LinkInfo), link_info_compare); - - *ret = links; - links = NULL; - - return (int) c; -} - -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_highlight_off(); - } else if (streq_ptr(state, "degraded")) { - *on = ansi_highlight_yellow(); - *off = ansi_highlight_off(); - } 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_highlight_off(); - } else if (streq_ptr(state, "configuring")) { - *on = ansi_highlight_yellow(); - *off = ansi_highlight_off(); - } else if (streq_ptr(state, "failed") || streq_ptr(state, "linger")) { - *on = ansi_highlight_red(); - *off = ansi_highlight_off(); - } else - *on = *off = ""; -} - -static int list_links(int argc, char *argv[], void *userdata) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_free_ LinkInfo *links = NULL; - int r, c, i; - - pager_open_if_enabled(); - - r = sd_rtnl_open(&rtnl, 0); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_message_request_dump(req, true); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return log_error_errno(r, "Failed to enumerate links: %m"); - - if (arg_legend) - printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP"); - - c = decode_and_sort_links(reply, &links); - if (c < 0) - return rtnl_log_parse_error(c); - - for (i = 0; i < c; i++) { - _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; - _cleanup_device_unref_ 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; - - sd_network_link_get_operational_state(links[i].ifindex, &operational_state); - operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); - - sd_network_link_get_setup_state(links[i].ifindex, &setup_state); - setup_state_to_color(setup_state, &on_color_setup, &off_color_setup); - - sprintf(devid, "n%i", links[i].ifindex); - (void)sd_device_new_from_device_id(&d, devid); - - 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, 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; - - snprintf(modalias, sizeof(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_rtnl *rtnl, - sd_hwdb *hwdb, - int ifindex, - int family, - union in_addr_union *gateway, - char **gateway_description) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - sd_rtnl_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_rtnl_message_request_dump(req, true); - if (r < 0) - return r; - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return r; - - for (m = reply; m; m = sd_rtnl_message_next(m)) { - union in_addr_union gw = {}; - struct ether_addr mac = {}; - uint16_t type; - int ifi, fam; - - r = sd_rtnl_message_get_errno(m); - if (r < 0) { - log_error_errno(r, "got error: %m"); - continue; - } - - r = sd_rtnl_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_rtnl_message_read_in_addr(m, NDA_DST, &gw.in); - if (r < 0) - continue; - - break; - case AF_INET6: - r = sd_rtnl_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_rtnl_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_rtnl *rtnl, - sd_hwdb *hwdb, - const char *prefix, - int ifindex) { - _cleanup_free_ struct local_address *local = NULL; - int r, n, i; - - 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_rtnl *rtnl, - const char *prefix, - int ifindex) { - - _cleanup_free_ struct local_address *local = NULL; - int r, n, i; - - 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 void dump_list(const char *prefix, char **l) { - char **i; - - STRV_FOREACH(i, l) { - printf("%*s%s\n", - (int) strlen(prefix), - i == l ? prefix : "", - *i); - } -} - -static int link_status_one( - sd_rtnl *rtnl, - sd_hwdb *hwdb, - const char *name) { - _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL; - _cleanup_free_ char *setup_state = NULL, *operational_state = NULL; - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_device_unref_ 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_strv_free_ char **carrier_bound_to = NULL; - _cleanup_strv_free_ char **carrier_bound_by = NULL; - struct ether_addr e; - unsigned iftype; - int r, ifindex; - bool have_mac; - uint32_t mtu; - - assert(rtnl); - assert(name); - - if (safe_atoi(name, &ifindex) >= 0 && 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_rtnl_message_append_string(req, IFLA_IFNAME, name); - } - - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return log_error_errno(r, "Failed to query link: %m"); - - r = sd_rtnl_message_link_get_ifindex(reply, &ifindex); - if (r < 0) - return rtnl_log_parse_error(r); - - r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name); - if (r < 0) - return rtnl_log_parse_error(r); - - r = sd_rtnl_message_link_get_type(reply, &iftype); - if (r < 0) - return rtnl_log_parse_error(r); - - have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0; - - if (have_mac) { - const uint8_t *p; - bool all_zeroes = true; - - for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++) - if (*p != 0) { - all_zeroes = false; - break; - } - - if (all_zeroes) - have_mac = false; - } - - sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu); - - sd_network_link_get_operational_state(ifindex, &operational_state); - operational_state_to_color(operational_state, &on_color_operational, &off_color_operational); - - sd_network_link_get_setup_state(ifindex, &setup_state); - setup_state_to_color(setup_state, &on_color_setup, &off_color_setup); - - sd_network_link_get_dns(ifindex, &dns); - sd_network_link_get_ntp(ifindex, &ntp); - sd_network_link_get_domains(ifindex, &domains); - r = sd_network_link_get_wildcard_domain(ifindex); - if (r > 0) { - char *wildcard; - - wildcard = strdup("*"); - if (!wildcard) - return log_oom(); - - if (strv_consume(&domains, wildcard) < 0) - return log_oom(); - } - - sprintf(devid, "n%i", 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); - } - - link_get_type_string(iftype, d, &t); - - sd_network_link_get_network_file(ifindex, &network); - - sd_network_link_get_carrier_bound_to(ifindex, &carrier_bound_to); - sd_network_link_get_carrier_bound_by(ifindex, &carrier_bound_by); - - printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, 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 (have_mac) { - _cleanup_free_ char *description = NULL; - char ea[ETHER_ADDR_TO_STRING_MAX]; - - ieee_oui(hwdb, &e, &description); - - if (description) - printf(" HW Address: %s (%s)\n", ether_addr_to_string(&e, ea), description); - else - printf(" HW Address: %s\n", ether_addr_to_string(&e, ea)); - } - - if (mtu > 0) - printf(" MTU: %u\n", mtu); - - dump_addresses(rtnl, " Address: ", ifindex); - dump_gateways(rtnl, hwdb, " Gateway: ", ifindex); - - if (!strv_isempty(dns)) - dump_list(" DNS: ", dns); - if (!strv_isempty(domains)) - dump_list(" Domain: ", domains); - if (!strv_isempty(ntp)) - dump_list(" NTP: ", ntp); - - if (!strv_isempty(carrier_bound_to)) - dump_list("Carrier Bound To: ", carrier_bound_to); - - if (!strv_isempty(carrier_bound_by)) - dump_list("Carrier Bound By: ", carrier_bound_by); - - return 0; -} - -static int link_status(int argc, char *argv[], void *userdata) { - _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - char **name; - int r; - - r = sd_rtnl_open(&rtnl, 0); - 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 (argc <= 1 && !arg_all) { - _cleanup_free_ char *operational_state = NULL; - _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL; - const char *on_color_operational, *off_color_operational; - - 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, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, - on_color_operational, strna(operational_state), off_color_operational); - - dump_addresses(rtnl, " Address: ", 0); - dump_gateways(rtnl, hwdb, " Gateway: ", 0); - - sd_network_get_dns(&dns); - if (!strv_isempty(dns)) - dump_list(" DNS: ", dns); - - sd_network_get_domains(&domains); - if (!strv_isempty(domains)) - dump_list(" Domain: ", domains); - - sd_network_get_ntp(&ntp); - if (!strv_isempty(ntp)) - dump_list(" NTP: ", ntp); - - return 0; - } - - pager_open_if_enabled(); - - if (arg_all) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_free_ LinkInfo *links = NULL; - int c, i; - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_message_request_dump(req, true); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return log_error_errno(r, "Failed to enumerate links: %m"); - - c = decode_and_sort_links(reply, &links); - if (c < 0) - return rtnl_log_parse_error(c); - - for (i = 0; i < c; i++) { - if (i > 0) - fputc('\n', stdout); - - link_status_one(rtnl, hwdb, links[i].name); - } - } else { - STRV_FOREACH(name, argv + 1) { - if (name != argv + 1) - fputc('\n', stdout); - - link_status_one(rtnl, hwdb, *name); - } - } - - return 0; -} - -const char *lldp_system_capability_to_string(LLDPSystemCapabilities d) _const_; -LLDPSystemCapabilities lldp_system_capability_from_string(const char *d) _pure_; - -static const char* const lldp_system_capability_table[_LLDP_SYSTEM_CAPABILITIES_MAX + 1] = { - [LLDP_SYSTEM_CAPABILITIES_OTHER] = "O", - [LLDP_SYSTEM_CAPABILITIES_REPEATER] = "P", - [LLDP_SYSTEM_CAPABILITIES_BRIDGE] = "B", - [LLDP_SYSTEM_CAPABILITIES_WLAN_AP] = "W", - [LLDP_SYSTEM_CAPABILITIES_ROUTER] = "R", - [LLDP_SYSTEM_CAPABILITIES_PHONE] = "T", - [LLDP_SYSTEM_CAPABILITIES_DOCSIS] = "D", - [LLDP_SYSTEM_CAPABILITIES_STATION] = "A", - [LLDP_SYSTEM_CAPABILITIES_CVLAN] = "C", - [LLDP_SYSTEM_CAPABILITIES_SVLAN] = "S", - [LLDP_SYSTEM_CAPABILITIES_TPMR] = "M", - [_LLDP_SYSTEM_CAPABILITIES_MAX] = "N/A", -}; - -DEFINE_STRING_TABLE_LOOKUP(lldp_system_capability, LLDPSystemCapabilities); - -static char *lldp_system_caps(uint16_t cap) { - _cleanup_free_ char *s = NULL, *t = NULL; - char *capability; - - t = strdup("[ "); - if (!t) - return NULL; - - if (cap & LLDP_SYSTEM_CAPABILITIES_OTHER) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_OTHER), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_REPEATER) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_REPEATER), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_BRIDGE) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_BRIDGE), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_WLAN_AP) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_WLAN_AP), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_ROUTER) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_ROUTER), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_PHONE) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_PHONE), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_DOCSIS) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_DOCSIS), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_STATION) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_STATION), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_CVLAN) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_CVLAN), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_SVLAN) { - s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_SVLAN), " ", NULL); - if (!s) - return NULL; - - free(t); - t = s; - } - - if (cap & LLDP_SYSTEM_CAPABILITIES_TPMR) { - s = strappend(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_TPMR)); - if (!s) - return NULL; - - free(t); - } - - if (!s) { - s = strappend(t, lldp_system_capability_to_string(_LLDP_SYSTEM_CAPABILITIES_MAX)); - if (!s) - return NULL; - - free(t); - } - - t = strappend(s, "]"); - if (!t) - return NULL; - - free(s); - capability = t; - - s = NULL; - t = NULL; - - return capability; -} - -static int link_lldp_status(int argc, char *argv[], void *userdata) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_free_ LinkInfo *links = NULL; - const char *state, *word; - - double ttl = -1; - uint32_t capability; - int i, r, c, j; - size_t ll; - char **s; - - pager_open_if_enabled(); - - r = sd_rtnl_open(&rtnl, 0); - if (r < 0) - return log_error_errno(r, "Failed to connect to netlink: %m"); - - r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_message_request_dump(req, true); - if (r < 0) - return rtnl_log_create_error(r); - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return log_error_errno(r, "Failed to enumerate links: %m"); - - c = decode_and_sort_links(reply, &links); - if (c < 0) - return rtnl_log_parse_error(c); - - if (arg_legend) - printf("%s %16s %24s %16s %16s\n", "Local Intf", "Device ID", "Port ID", "TTL", "Capability"); - - for (i = j = 0; i < c; i++) { - _cleanup_free_ char *chassis = NULL, *port = NULL, *cap = NULL, *lldp = NULL; - _cleanup_strv_free_ char **l = NULL; - - r = sd_network_link_get_lldp(links[i].ifindex, &lldp); - if (r < 0) - continue; - - l = strv_split_newlines(lldp); - if (!l) - return -ENOMEM; - - STRV_FOREACH(s, l) { - FOREACH_WORD_QUOTED(word, ll, *s, state) { - _cleanup_free_ char *t = NULL, *a = NULL, *b = NULL; - - t = strndup(word, ll); - if (!t) - return -ENOMEM; - - r = split_pair(t, "=", &a, &b); - if (r < 0) - continue; - - if (streq(a, "_Chassis")) { - r = free_and_strdup(&chassis, b); - if (r < 0) - return r; - - } else if (streq(a, "_Port")) { - r = free_and_strdup(&port, b); - if (r < 0) - return r; - - } else if (streq(a, "_TTL")) { - long long unsigned x = 0; - usec_t time; - - r = safe_atollu(b, &x); - if (r < 0 || (usec_t) x != x) - return log_warning_errno(r < 0 ? r : ERANGE, - "Failed to parse TTL \"%s\": %m", b); - - time = now(CLOCK_BOOTTIME); - if (x < time) - continue; - - ttl = (double) (x - time) / USEC_PER_SEC; - - } else if (streq(a, "_CAP")) { - sscanf(b, "%x", &capability); - - cap = lldp_system_caps(capability); - } - - } - - if (ttl >= 0) { - printf("%10s %24s %16s %16f %16s\n", - links[i].name, - strna(chassis), strna(port), - ttl, cap); - j++; - } - } - } - - if (arg_legend) { - printf("\nCapability Codes:\n" - "(O) - Other, (P) - Repeater, (B) - Bridge , (W) - WLAN Access Point, (R) = Router,\n" - "(T) - Telephone, (D) - Data Over Cable Service Interface Specifications, (A) - Station,\n" - "(C) - Customer VLAN, (S) - Service VLAN, (M) - Two-port MAC Relay (TPMR)\n\n"); - - printf("Total entries displayed: %d\n", j); - } - - 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 List links\n" - " status [LINK...] Show link status\n" - " lldp Show lldp information\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: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0; - - 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, 1, VERB_DEFAULT, list_links }, - { "status", 1, VERB_ANY, 0, link_status }, - { "lldp", VERB_ANY, 1, VERB_DEFAULT, link_lldp_status }, - {} - }; - - return dispatch_verb(argc, argv, verbs, NULL); -} - -int main(int argc, char* argv[]) { - int r; - - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - r = networkctl_main(argc, argv); - -finish: - pager_close(); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |