#include <stdbool.h>
#include <getopt.h>
+#include <net/if.h>
#include "sd-network.h"
#include "sd-rtnl.h"
+#include "sd-hwdb.h"
#include "libudev.h"
+#include "strv.h"
#include "build.h"
#include "util.h"
#include "pager.h"
+#include "lldp.h"
#include "rtnl-util.h"
#include "udev-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;
*on = *off = "";
}
-static int list_links(char **args, unsigned n) {
+static int list_links(int argc, char *argv[], void *userdata) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
_cleanup_udev_unref_ struct udev *udev = NULL;
_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
return log_error_errno(r, "Failed to connect to netlink: %m");
udev = udev_new();
- if (!udev) {
- log_error_errno(errno, "Failed to connect to udev: %m");
- return -errno;
- }
+ if (!udev)
+ return log_error_errno(errno, "Failed to connect to udev: %m");
r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
if (r < 0)
return 0;
}
-static int dump_addresses(sd_rtnl *rtnl, const char *prefix, int ifindex) {
+/* 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, &local);
+ n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local);
if (n < 0)
return n;
if (r < 0)
return r;
- printf("%*s%s\n",
+ 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 link_status_one(sd_rtnl *rtnl, struct udev *udev, const char *name) {
+static int link_status_one(
+ sd_rtnl *rtnl,
+ struct udev *udev,
+ 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;
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;
sprintf(devid, "n%i", ifindex);
d = udev_device_new_from_device_id(udev, devid);
-
- link_get_type_string(iftype, d, &t);
-
if (d) {
link = udev_device_get_property_value(d, "ID_NET_LINK_FILE");
driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
model = udev_device_get_property_value(d, "ID_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",
+ 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_setup, strna(setup_state), off_color_setup);
if (path)
- printf(" Path: %s\n", path);
+ printf(" Path: %s\n", path);
if (driver)
- printf(" Driver: %s\n", driver);
+ printf(" Driver: %s\n", driver);
if (vendor)
- printf(" Vendor: %s\n", vendor);
+ printf(" Vendor: %s\n", vendor);
if (model)
- printf(" Model: %s\n", model);
+ printf(" Model: %s\n", model);
if (have_mac) {
+ _cleanup_free_ char *description = NULL;
char ea[ETHER_ADDR_TO_STRING_MAX];
- printf(" HW Address: %s\n", ether_addr_to_string(&e, ea));
+
+ 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);
+ printf(" MTU: %u\n", mtu);
- dump_addresses(rtnl, " Address: ", ifindex);
+ dump_addresses(rtnl, " Address: ", ifindex);
+ dump_gateways(rtnl, hwdb, " Gateway: ", ifindex);
if (!strv_isempty(dns))
- dump_list(" DNS: ", dns);
+ dump_list(" DNS: ", dns);
if (!strv_isempty(domains))
- dump_list(" Domain: ", domains);
+ dump_list(" Domain: ", domains);
if (!strv_isempty(ntp))
- dump_list(" NTP: ", 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(char **args, unsigned n) {
+static int link_status(int argc, char *argv[], void *userdata) {
+ _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL;
_cleanup_udev_unref_ struct udev *udev = NULL;
_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
char **name;
return log_error_errno(r, "Failed to connect to netlink: %m");
udev = udev_new();
- if (!udev) {
- log_error_errno(errno, "Failed to connect to udev: %m");
- return -errno;
- }
+ if (!udev)
+ return log_error_errno(errno, "Failed to connect to udev: %m");
+
+ r = sd_hwdb_new(&hwdb);
+ if (r < 0)
+ log_debug_errno(r, "Failed to open hardware database: %m");
- if (n <= 1 && !arg_all) {
+ if (argc <= 1 && !arg_all) {
_cleanup_free_ char *operational_state = NULL;
_cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
- _cleanup_free_ struct local_address *addresses = NULL;
const char *on_color_operational, *off_color_operational;
- int i, c;
sd_network_get_operational_state(&operational_state);
operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
- printf(" State: %s%s%s\n", on_color_operational, strna(operational_state), off_color_operational);
-
- c = local_addresses(rtnl, 0, &addresses);
- for (i = 0; i < c; i++) {
- _cleanup_free_ char *pretty = NULL;
-
- r = in_addr_to_string(addresses[i].family, &addresses[i].address, &pretty);
- if (r < 0)
- return log_oom();
+ 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);
- printf("%13s %s\n",
- i > 0 ? "" : "Address:", pretty);
- }
+ dump_addresses(rtnl, " Address: ", 0);
+ dump_gateways(rtnl, hwdb, " Gateway: ", 0);
sd_network_get_dns(&dns);
if (!strv_isempty(dns))
if (i > 0)
fputc('\n', stdout);
- link_status_one(rtnl, udev, links[i].name);
+ link_status_one(rtnl, udev, hwdb, links[i].name);
+ }
+ } else {
+ STRV_FOREACH(name, argv + 1) {
+ if (name != argv + 1)
+ fputc('\n', stdout);
+
+ link_status_one(rtnl, udev, hwdb, *name);
}
}
- STRV_FOREACH(name, args + 1) {
- if (name != args+1)
- fputc('\n', stdout);
+ 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;
- link_status_one(rtnl, udev, *name);
+ 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")) {
+ chassis = strdup(b);
+ if (!chassis)
+ return -ENOMEM;
+
+ } else if (streq(a, "_Port")) {
+ port = strdup(b);
+ if (!port)
+ return -ENOMEM;
+
+ } else if (streq(a, "_TTL")) {
+ long long unsigned x;
+ 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;
" -a --all Show status for all links\n\n"
"Commands:\n"
" list List links\n"
- " status LINK Show link status\n"
+ " status [LINK...] Show link status\n"
+ " lldp Show lldp information\n"
, program_invocation_short_name);
}
}
static int networkctl_main(int argc, char *argv[]) {
-
- static const struct {
- const char* verb;
- const enum {
- MORE,
- LESS,
- EQUAL
- } argc_cmp;
- const int argc;
- int (* const dispatch)(char **args, unsigned n);
- } verbs[] = {
- { "list", LESS, 1, list_links },
- { "status", MORE, 1, link_status },
+ 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 },
+ {}
};
- int left;
- unsigned i;
-
- assert(argc >= 0);
- assert(argv);
-
- left = argc - optind;
-
- if (left <= 0)
- /* Special rule: no arguments means "list" */
- i = 0;
- else {
- if (streq(argv[optind], "help")) {
- help();
- return 0;
- }
-
- for (i = 0; i < ELEMENTSOF(verbs); i++)
- if (streq(argv[optind], verbs[i].verb))
- break;
-
- if (i >= ELEMENTSOF(verbs)) {
- log_error("Unknown operation %s", argv[optind]);
- return -EINVAL;
- }
- }
-
- switch (verbs[i].argc_cmp) {
-
- case EQUAL:
- if (left != verbs[i].argc) {
- log_error("Invalid number of arguments.");
- return -EINVAL;
- }
-
- break;
-
- case MORE:
- if (left < verbs[i].argc) {
- log_error("Too few arguments.");
- return -EINVAL;
- }
-
- break;
-
- case LESS:
- if (left > verbs[i].argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- break;
-
- default:
- assert_not_reached("Unknown comparison operator.");
- }
-
- return verbs[i].dispatch(argv + optind, left);
+ return dispatch_verb(argc, argv, verbs, NULL);
}
int main(int argc, char* argv[]) {
~ianmdlvl / elogind.git / blobdiff