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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <getopt.h>
#include "build.h"
#include "logs-show.h"
#include "main-func.h"
#include "networkctl.h"
#include "networkctl-address-label.h"
#include "networkctl-config-file.h"
#include "networkctl-list.h"
#include "networkctl-lldp.h"
#include "networkctl-misc.h"
#include "networkctl-status-link.h"
#include "networkctl-util.h"
#include "parse-argument.h"
#include "parse-util.h"
#include "path-util.h"
#include "pretty-print.h"
#include "verbs.h"
PagerFlags arg_pager_flags = 0;
bool arg_legend = true;
bool arg_no_reload = false;
bool arg_all = false;
bool arg_stats = false;
bool arg_full = false;
bool arg_runtime = false;
bool arg_stdin = false;
unsigned arg_lines = 10;
char *arg_drop_in = NULL;
sd_json_format_flags_t arg_json_format_flags = SD_JSON_FORMAT_OFF;
bool arg_ask_password = true;
STATIC_DESTRUCTOR_REGISTER(arg_drop_in, freep);
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("networkctl", "1", &link);
if (r < 0)
return log_oom();
printf("%s [OPTIONS...] COMMAND\n\n"
"%sQuery and control the networking subsystem.%s\n"
"\nCommands:\n"
" list [PATTERN...] List links\n"
" status [PATTERN...] Show link status\n"
" lldp [PATTERN...] Show LLDP neighbors\n"
" label Show current address label entries in the kernel\n"
" delete DEVICES... Delete virtual netdevs\n"
" up DEVICES... Bring devices up\n"
" down DEVICES... Bring devices down\n"
" renew DEVICES... Renew dynamic configurations\n"
" forcerenew DEVICES... Trigger DHCP reconfiguration of all connected clients\n"
" reconfigure DEVICES... Reconfigure interfaces\n"
" reload Reload .network and .netdev files\n"
" edit FILES|DEVICES... Edit network configuration files\n"
" cat [FILES|DEVICES...] Show network configuration files\n"
" mask FILES... Mask network configuration files\n"
" unmask FILES... Unmask network configuration files\n"
" persistent-storage BOOL\n"
" Notify systemd-networkd if persistent storage is ready\n"
"\nOptions:\n"
" -h --help Show this help\n"
" --version Show package version\n"
" --no-pager Do not pipe output into a pager\n"
" --no-legend Do not show the headers and footers\n"
" --no-ask-password Do not prompt for password\n"
" -a --all Show status for all links\n"
" -s --stats Show detailed link statistics\n"
" -l --full Do not ellipsize output\n"
" -n --lines=INTEGER Number of journal entries to show\n"
" --json=pretty|short|off\n"
" Generate JSON output\n"
" --no-reload Do not reload systemd-networkd or systemd-udevd\n"
" after editing network config\n"
" --drop-in=NAME Edit specified drop-in instead of main config file\n"
" --runtime Edit runtime config files\n"
" --stdin Read new contents of edited file from stdin\n"
"\nSee the %s for details.\n",
program_invocation_short_name,
ansi_highlight(),
ansi_normal(),
link);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_LEGEND,
ARG_NO_ASK_PASSWORD,
ARG_JSON,
ARG_NO_RELOAD,
ARG_DROP_IN,
ARG_RUNTIME,
ARG_STDIN,
};
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 },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{ "all", no_argument, NULL, 'a' },
{ "stats", no_argument, NULL, 's' },
{ "full", no_argument, NULL, 'l' },
{ "lines", required_argument, NULL, 'n' },
{ "json", required_argument, NULL, ARG_JSON },
{ "no-reload", no_argument, NULL, ARG_NO_RELOAD },
{ "drop-in", required_argument, NULL, ARG_DROP_IN },
{ "runtime", no_argument, NULL, ARG_RUNTIME },
{ "stdin", no_argument, NULL, ARG_STDIN },
{}
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hasln:", options, NULL)) >= 0) {
switch (c) {
case 'h':
return help();
case ARG_VERSION:
return version();
case ARG_NO_PAGER:
arg_pager_flags |= PAGER_DISABLE;
break;
case ARG_NO_LEGEND:
arg_legend = false;
break;
case ARG_NO_RELOAD:
arg_no_reload = true;
break;
case ARG_NO_ASK_PASSWORD:
arg_ask_password = false;
break;
case ARG_RUNTIME:
arg_runtime = true;
break;
case ARG_STDIN:
arg_stdin = true;
break;
case ARG_DROP_IN:
if (isempty(optarg))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Empty drop-in file name.");
if (!endswith(optarg, ".conf")) {
char *conf;
conf = strjoin(optarg, ".conf");
if (!conf)
return log_oom();
free_and_replace(arg_drop_in, conf);
} else {
r = free_and_strdup(&arg_drop_in, optarg);
if (r < 0)
return log_oom();
}
if (!filename_is_valid(arg_drop_in))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Invalid drop-in file name '%s'.", arg_drop_in);
break;
case 'a':
arg_all = true;
break;
case 's':
arg_stats = true;
break;
case 'l':
arg_full = true;
break;
case 'n':
if (safe_atou(optarg, &arg_lines) < 0)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Failed to parse lines '%s'", optarg);
break;
case ARG_JSON:
r = parse_json_argument(optarg, &arg_json_format_flags);
if (r <= 0)
return r;
break;
case '?':
return -EINVAL;
default:
assert_not_reached();
}
}
return 1;
}
static int networkctl_main(int argc, char *argv[]) {
static const Verb verbs[] = {
{ "list", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_links },
{ "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, link_status },
{ "lldp", VERB_ANY, VERB_ANY, 0, link_lldp_status },
{ "label", 1, 1, 0, list_address_labels },
{ "delete", 2, VERB_ANY, 0, link_delete },
{ "up", 2, VERB_ANY, 0, link_up_down },
{ "down", 2, VERB_ANY, 0, link_up_down },
{ "renew", 2, VERB_ANY, VERB_ONLINE_ONLY, link_renew },
{ "forcerenew", 2, VERB_ANY, VERB_ONLINE_ONLY, link_force_renew },
{ "reconfigure", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_reconfigure },
{ "reload", 1, 1, VERB_ONLINE_ONLY, verb_reload },
{ "edit", 2, VERB_ANY, 0, verb_edit },
{ "cat", 1, VERB_ANY, 0, verb_cat },
{ "mask", 2, VERB_ANY, 0, verb_mask },
{ "unmask", 2, VERB_ANY, 0, verb_unmask },
{ "persistent-storage", 2, 2, 0, verb_persistent_storage },
{}
};
return dispatch_verb(argc, argv, verbs, NULL);
}
static int run(int argc, char* argv[]) {
int r;
log_setup();
r = parse_argv(argc, argv);
if (r <= 0)
return r;
journal_browse_prepare();
return networkctl_main(argc, argv);
}
DEFINE_MAIN_FUNCTION(run);
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