cli: add initial pieces of nmcli
This commit is contained in:
Jirka Klimes
committed by
Dan Williams
Dan Williams
parent
bace73c5dc
commit
c2ec07f17d
283
cli/src/nmcli.c
Normal file
283
cli/src/nmcli.c
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@@ -0,0 +1,283 @@
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/* nmcli - command-line tool to control NetworkManager
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*
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* Jiri Klimes <jklimes@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2010 Red Hat, Inc.
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*/
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/* Generated configuration file */
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <locale.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <dbus/dbus.h>
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#include <dbus/dbus-glib.h>
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#include <nm-client.h>
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#include <nm-setting-connection.h>
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#include <nm-remote-settings.h>
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#include <nm-remote-settings-system.h>
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#include <nm-settings-interface.h>
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#include <nm-settings-connection-interface.h>
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#include "nmcli.h"
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#include "utils.h"
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#include "connections.h"
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#include "devices.h"
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#include "network-manager.h"
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#define NMCLI_VERSION "0.1"
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typedef struct {
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NmCli *nmc;
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int argc;
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char **argv;
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} ArgsInfo;
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/* --- Global variables --- */
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GMainLoop *loop = NULL;
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static void
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usage (const char *prog_name)
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{
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fprintf (stderr,
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_("Usage: %s [OPTIONS] OBJECT { COMMAND | help }\n\n"
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"OPTIONS\n"
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" -t[erse] terse output\n"
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" -p[retty] pretty output\n"
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" -v[ersion] show program version\n"
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" -h[elp] print this help\n\n"
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"OBJECT\n"
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" nm NetworkManager status\n"
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" con NetworkManager connections\n"
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" dev devices managed by NetworkManager\n\n"),
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prog_name);
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}
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static NMCResultCode
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do_help (NmCli *nmc, int argc, char **argv)
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{
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usage ("nmcli");
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return NMC_RESULT_SUCCESS;
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}
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static const struct cmd {
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const char *cmd;
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NMCResultCode (*func) (NmCli *nmc, int argc, char **argv);
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} nmcli_cmds[] = {
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{ "nm", do_network_manager },
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{ "con", do_connections },
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{ "dev", do_devices },
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{ "help", do_help },
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{ 0 }
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};
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static NMCResultCode
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do_cmd (NmCli *nmc, const char *argv0, int argc, char **argv)
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{
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const struct cmd *c;
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for (c = nmcli_cmds; c->cmd; ++c) {
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if (matches (argv0, c->cmd) == 0)
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return c->func (nmc, argc-1, argv+1);
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}
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g_string_printf (nmc->return_text, _("Object '%s' is unknown, try 'nmcli help'."), argv0);
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nmc->return_value = NMC_RESULT_ERROR_UNKNOWN;
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return nmc->return_value;
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}
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static NMCResultCode
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parse_command_line (NmCli *nmc, int argc, char **argv)
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{
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char *base;
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base = strrchr (argv[0], '/');
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if (base == NULL)
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base = argv[0];
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else
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base++;
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/* parse options */
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while (argc > 1) {
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char *opt = argv[1];
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/* '--' ends options */
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if (strcmp (opt, "--") == 0) {
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argc--; argv++;
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break;
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}
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if (opt[0] != '-')
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break;
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if (opt[1] == '-')
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opt++;
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if (matches (opt, "-terse") == 0) {
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nmc->print_output = NMC_PRINT_TERSE;
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} else if (matches (opt, "-pretty") == 0) {
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nmc->print_output = NMC_PRINT_PRETTY;
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} else if (matches (opt, "-version") == 0) {
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printf (_("nmcli tool, version %s\n"), NMCLI_VERSION);
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return NMC_RESULT_SUCCESS;
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} else if (matches (opt, "-help") == 0) {
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usage (base);
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return NMC_RESULT_SUCCESS;
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} else {
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g_string_printf (nmc->return_text, _("Option '%s' is unknown, try 'nmcli -help'."), opt);
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nmc->return_value = NMC_RESULT_ERROR_UNKNOWN;
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return nmc->return_value;
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}
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argc--;
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argv++;
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}
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if (argc > 1)
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return do_cmd (nmc, argv[1], argc-1, argv+1);
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usage (base);
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return nmc->return_value;
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}
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static void
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signal_handler (int signo)
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{
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if (signo == SIGINT || signo == SIGTERM) {
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g_message (_("Caught signal %d, shutting down..."), signo);
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g_main_loop_quit (loop);
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}
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}
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static void
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setup_signals (void)
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{
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struct sigaction action;
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sigset_t mask;
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sigemptyset (&mask);
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action.sa_handler = signal_handler;
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action.sa_mask = mask;
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action.sa_flags = 0;
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sigaction (SIGTERM, &action, NULL);
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sigaction (SIGINT, &action, NULL);
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}
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static NMClient *
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nmc_get_client (NmCli *nmc)
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{
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if (!nmc->client) {
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nmc->client = nm_client_new ();
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if (!nmc->client) {
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g_string_printf (nmc->return_text, _("Error: Could not connect to NetworkManager."));
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nmc->return_value = NMC_RESULT_ERROR_UNKNOWN;
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}
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}
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return nmc->client;
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}
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/* Initialize NmCli structure - set default values */
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static void
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nmc_init (NmCli *nmc)
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{
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nmc->client = NULL;
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nmc->get_client = &nmc_get_client;
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nmc->return_value = NMC_RESULT_SUCCESS;
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nmc->return_text = g_string_new (_("Success"));
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nmc->timeout = 10;
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nmc->system_settings = NULL;
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nmc->user_settings = NULL;
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nmc->system_settings_running = FALSE;
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nmc->user_settings_running = FALSE;
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nmc->system_connections = NULL;
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nmc->user_connections = NULL;
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nmc->should_wait = FALSE;
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nmc->print_output = NMC_PRINT_NORMAL;
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}
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static void
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nmc_cleanup (NmCli *nmc)
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{
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if (nmc->client) g_object_unref (nmc->client);
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g_string_free (nmc->return_text, TRUE);
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if (nmc->system_settings) g_object_unref (nmc->system_settings);
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if (nmc->user_settings) g_object_unref (nmc->user_settings);
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g_slist_free (nmc->system_connections);
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g_slist_free (nmc->user_connections);
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}
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static gboolean
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start (gpointer data)
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{
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ArgsInfo *info = (ArgsInfo *) data;
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info->nmc->return_value = parse_command_line (info->nmc, info->argc, info->argv);
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if (!info->nmc->should_wait)
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g_main_loop_quit (loop);
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return FALSE;
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}
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int
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main (int argc, char *argv[])
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{
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NmCli nmc;
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ArgsInfo args_info = { &nmc, argc, argv };
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/* Set locale to use environment variables */
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setlocale (LC_ALL, "");
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#ifdef GETTEXT_PACKAGE
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/* Set i18n stuff */
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bindtextdomain (GETTEXT_PACKAGE, NMCLI_LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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textdomain (GETTEXT_PACKAGE);
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#endif
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g_type_init ();
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nmc_init (&nmc);
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g_idle_add (start, &args_info);
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loop = g_main_loop_new (NULL, FALSE); /* create main loop */
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setup_signals (); /* setup UNIX signals */
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g_main_loop_run (loop); /* run main loop */
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/* Print result descripting text */
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if (nmc.return_value != NMC_RESULT_SUCCESS) {
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fprintf (stderr, "%s\n", nmc.return_text->str);
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}
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g_main_loop_unref (loop);
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nmc_cleanup (&nmc);
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return nmc.return_value;
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}
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