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Diffstat (limited to 'cli/src/nmcli.c')
| -rw-r--r-- | cli/src/nmcli.c | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/cli/src/nmcli.c b/cli/src/nmcli.c new file mode 100644 index 00000000..328a6d8e --- /dev/null +++ b/cli/src/nmcli.c @@ -0,0 +1,363 @@ +/* nmcli - command-line tool to control NetworkManager + * + * Jiri Klimes <jklimes@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * (C) Copyright 2010 Red Hat, Inc. + */ + +/* Generated configuration file */ +#include "config.h" + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <signal.h> +#include <locale.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <dbus/dbus.h> +#include <dbus/dbus-glib.h> +#include <nm-client.h> +#include <nm-setting-connection.h> +#include <nm-remote-settings.h> +#include <nm-remote-settings-system.h> +#include <nm-settings-interface.h> +#include <nm-settings-connection-interface.h> + +#include "nmcli.h" +#include "utils.h" +#include "connections.h" +#include "devices.h" +#include "network-manager.h" + +#if defined(NM_DIST_VERSION) +# define NMCLI_VERSION NM_DIST_VERSION +#else +# define NMCLI_VERSION VERSION +#endif + + +typedef struct { + NmCli *nmc; + int argc; + char **argv; +} ArgsInfo; + +/* --- Global variables --- */ +GMainLoop *loop = NULL; + + +static void +usage (const char *prog_name) +{ + fprintf (stderr, + _("Usage: %s [OPTIONS] OBJECT { COMMAND | help }\n\n" + "OPTIONS\n" + " -t[erse] terse output\n" + " -p[retty] pretty output\n" + " -m[ode] tabular|multiline output mode\n" + " -f[ields] <field1,field2,...>|all|common specify fields to output\n" + " -e[scape] yes|no escape columns separators in values\n" + " -v[ersion] show program version\n" + " -h[elp] print this help\n\n" + "OBJECT\n" + " nm NetworkManager status\n" + " con NetworkManager connections\n" + " dev devices managed by NetworkManager\n\n"), + prog_name); +} + +static NMCResultCode +do_help (NmCli *nmc, int argc, char **argv) +{ + usage ("nmcli"); + return NMC_RESULT_SUCCESS; +} + +static const struct cmd { + const char *cmd; + NMCResultCode (*func) (NmCli *nmc, int argc, char **argv); +} nmcli_cmds[] = { + { "nm", do_network_manager }, + { "con", do_connections }, + { "dev", do_devices }, + { "help", do_help }, + { 0 } +}; + +static NMCResultCode +do_cmd (NmCli *nmc, const char *argv0, int argc, char **argv) +{ + const struct cmd *c; + + for (c = nmcli_cmds; c->cmd; ++c) { + if (matches (argv0, c->cmd) == 0) + return c->func (nmc, argc-1, argv+1); + } + + g_string_printf (nmc->return_text, _("Error: Object '%s' is unknown, try 'nmcli help'."), argv0); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; +} + +static NMCResultCode +parse_command_line (NmCli *nmc, int argc, char **argv) +{ + char *base; + + base = strrchr (argv[0], '/'); + if (base == NULL) + base = argv[0]; + else + base++; + + /* parse options */ + while (argc > 1) { + char *opt = argv[1]; + /* '--' ends options */ + if (strcmp (opt, "--") == 0) { + argc--; argv++; + break; + } + if (opt[0] != '-') + break; + if (opt[1] == '-') + opt++; + if (matches (opt, "-terse") == 0) { + if (nmc->print_output == NMC_PRINT_TERSE) { + g_string_printf (nmc->return_text, _("Error: Option '--terse' is specified the second time.")); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + else if (nmc->print_output == NMC_PRINT_PRETTY) { + g_string_printf (nmc->return_text, _("Error: Option '--terse' is mutually exclusive with '--pretty'.")); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + else + nmc->print_output = NMC_PRINT_TERSE; + } else if (matches (opt, "-pretty") == 0) { + if (nmc->print_output == NMC_PRINT_PRETTY) { + g_string_printf (nmc->return_text, _("Error: Option '--pretty' is specified the second time.")); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + else if (nmc->print_output == NMC_PRINT_TERSE) { + g_string_printf (nmc->return_text, _("Error: Option '--pretty' is mutually exclusive with '--terse'.")); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + else + nmc->print_output = NMC_PRINT_PRETTY; + } else if (matches (opt, "-mode") == 0) { + nmc->mode_specified = TRUE; + next_arg (&argc, &argv); + if (argc <= 1) { + g_string_printf (nmc->return_text, _("Error: missing argument for '%s' option."), opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + if (!strcmp (argv[1], "tabular")) + nmc->multiline_output = FALSE; + else if (!strcmp (argv[1], "multiline")) + nmc->multiline_output = TRUE; + else { + g_string_printf (nmc->return_text, _("Error: '%s' is not valid argument for '%s' option."), argv[1], opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + } else if (matches (opt, "-escape") == 0) { + next_arg (&argc, &argv); + if (argc <= 1) { + g_string_printf (nmc->return_text, _("Error: missing argument for '%s' option."), opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + if (!strcmp (argv[1], "yes")) + nmc->escape_values = TRUE; + else if (!strcmp (argv[1], "no")) + nmc->escape_values = FALSE; + else { + g_string_printf (nmc->return_text, _("Error: '%s' is not valid argument for '%s' option."), argv[1], opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + } else if (matches (opt, "-fields") == 0) { + next_arg (&argc, &argv); + if (argc <= 1) { + g_string_printf (nmc->return_text, _("Error: fields for '%s' options are missing."), opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + nmc->required_fields = g_strdup (argv[1]); + } else if (matches (opt, "-version") == 0) { + printf (_("nmcli tool, version %s\n"), NMCLI_VERSION); + return NMC_RESULT_SUCCESS; + } else if (matches (opt, "-help") == 0) { + usage (base); + return NMC_RESULT_SUCCESS; + } else { + g_string_printf (nmc->return_text, _("Error: Option '%s' is unknown, try 'nmcli -help'."), opt); + nmc->return_value = NMC_RESULT_ERROR_USER_INPUT; + return nmc->return_value; + } + argc--; + argv++; + } + + if (argc > 1) + return do_cmd (nmc, argv[1], argc-1, argv+1); + + usage (base); + return nmc->return_value; +} + +static void +signal_handler (int signo) +{ + if (signo == SIGINT || signo == SIGTERM) { + g_message (_("Caught signal %d, shutting down..."), signo); + g_main_loop_quit (loop); + } +} + +static void +setup_signals (void) +{ + struct sigaction action; + sigset_t mask; + + sigemptyset (&mask); + action.sa_handler = signal_handler; + action.sa_mask = mask; + action.sa_flags = 0; + sigaction (SIGTERM, &action, NULL); + sigaction (SIGINT, &action, NULL); +} + +static NMClient * +nmc_get_client (NmCli *nmc) +{ + if (!nmc->client) { + nmc->client = nm_client_new (); + if (!nmc->client) { + g_string_printf (nmc->return_text, _("Error: Could not connect to NetworkManager.")); + nmc->return_value = NMC_RESULT_ERROR_UNKNOWN; + } + } + + return nmc->client; +} + +/* Initialize NmCli structure - set default values */ +static void +nmc_init (NmCli *nmc) +{ + nmc->client = NULL; + nmc->get_client = &nmc_get_client; + + nmc->return_value = NMC_RESULT_SUCCESS; + nmc->return_text = g_string_new (_("Success")); + + nmc->timeout = 10; + + nmc->system_settings = NULL; + nmc->user_settings = NULL; + + nmc->system_settings_running = FALSE; + nmc->user_settings_running = FALSE; + + nmc->system_connections = NULL; + nmc->user_connections = NULL; + + nmc->should_wait = FALSE; + nmc->print_output = NMC_PRINT_NORMAL; + nmc->multiline_output = FALSE; + nmc->mode_specified = FALSE; + nmc->escape_values = TRUE; + nmc->required_fields = NULL; + nmc->allowed_fields = NULL; + memset (&nmc->print_fields, '\0', sizeof (NmcPrintFields)); +} + +static void +nmc_cleanup (NmCli *nmc) +{ + if (nmc->client) g_object_unref (nmc->client); + + g_string_free (nmc->return_text, TRUE); + + if (nmc->system_settings) g_object_unref (nmc->system_settings); + if (nmc->user_settings) g_object_unref (nmc->user_settings); + + g_slist_free (nmc->system_connections); + g_slist_free (nmc->user_connections); + + g_free (nmc->required_fields); + if (nmc->print_fields.indices) + g_array_free (nmc->print_fields.indices, TRUE); +} + +static gboolean +start (gpointer data) +{ + ArgsInfo *info = (ArgsInfo *) data; + info->nmc->return_value = parse_command_line (info->nmc, info->argc, info->argv); + + if (!info->nmc->should_wait) + g_main_loop_quit (loop); + + return FALSE; +} + + +int +main (int argc, char *argv[]) +{ + NmCli nmc; + ArgsInfo args_info = { &nmc, argc, argv }; + + /* Set locale to use environment variables */ + setlocale (LC_ALL, ""); + +#ifdef GETTEXT_PACKAGE + /* Set i18n stuff */ + bindtextdomain (GETTEXT_PACKAGE, NMCLI_LOCALEDIR); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); + textdomain (GETTEXT_PACKAGE); +#endif + + g_type_init (); + + nmc_init (&nmc); + g_idle_add (start, &args_info); + + loop = g_main_loop_new (NULL, FALSE); /* create main loop */ + setup_signals (); /* setup UNIX signals */ + g_main_loop_run (loop); /* run main loop */ + + /* Print result descripting text */ + if (nmc.return_value != NMC_RESULT_SUCCESS) { + fprintf (stderr, "%s\n", nmc.return_text->str); + } + + g_main_loop_unref (loop); + nmc_cleanup (&nmc); + + return nmc.return_value; +} |