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NetworkManager/clients/cli/nmcli.c

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/* 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.
*
* Copyright 2010 - 2018 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nmcli.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <termios.h>
#include <unistd.h>
#include <locale.h>
#include <glib-unix.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "nm-client-utils.h"
#include "polkit-agent.h"
#include "utils.h"
#include "common.h"
#include "connections.h"
#include "devices.h"
#include "general.h"
#include "agent.h"
#include "settings.h"
#if defined(NM_DIST_VERSION)
# define NMCLI_VERSION NM_DIST_VERSION
#else
# define NMCLI_VERSION VERSION
#endif
#define DEFAULT_PALETTE_INIT \
[NM_META_COLOR_CONNECTION_ACTIVATED] = "32", \
[NM_META_COLOR_CONNECTION_ACTIVATING] = "33", \
[NM_META_COLOR_CONNECTION_DISCONNECTING] = "31", \
[NM_META_COLOR_CONNECTION_INVISIBLE] = "2", \
[NM_META_COLOR_CONNECTIVITY_FULL] = "32", \
[NM_META_COLOR_CONNECTIVITY_LIMITED] = "33", \
[NM_META_COLOR_CONNECTIVITY_NONE] = "31", \
[NM_META_COLOR_CONNECTIVITY_PORTAL] = "33", \
[NM_META_COLOR_DEVICE_ACTIVATED] = "32", \
[NM_META_COLOR_DEVICE_ACTIVATING] = "33", \
[NM_META_COLOR_DEVICE_DISCONNECTED] = "31", \
[NM_META_COLOR_DEVICE_FIRMWARE_MISSING] = "31", \
[NM_META_COLOR_DEVICE_PLUGIN_MISSING] = "31", \
[NM_META_COLOR_DEVICE_UNAVAILABLE] = "2", \
[NM_META_COLOR_MANAGER_RUNNING] = "32", \
[NM_META_COLOR_MANAGER_STARTING] = "33", \
[NM_META_COLOR_MANAGER_STOPPED] = "31", \
[NM_META_COLOR_PERMISSION_AUTH] = "33", \
[NM_META_COLOR_PERMISSION_NO] = "31", \
[NM_META_COLOR_PERMISSION_YES] = "32", \
[NM_META_COLOR_STATE_ASLEEP] = "31", \
[NM_META_COLOR_STATE_CONNECTED_GLOBAL] = "32", \
[NM_META_COLOR_STATE_CONNECTED_LOCAL] = "32", \
[NM_META_COLOR_STATE_CONNECTED_SITE] = "32", \
[NM_META_COLOR_STATE_CONNECTING] = "33", \
[NM_META_COLOR_STATE_DISCONNECTED] = "31", \
[NM_META_COLOR_STATE_DISCONNECTING] = "33", \
[NM_META_COLOR_WIFI_SIGNAL_EXCELLENT] = "32", \
[NM_META_COLOR_WIFI_SIGNAL_FAIR] = "35", \
[NM_META_COLOR_WIFI_SIGNAL_GOOD] = "33", \
[NM_META_COLOR_WIFI_SIGNAL_POOR] = "36", \
[NM_META_COLOR_WIFI_SIGNAL_UNKNOWN] = "2", \
[NM_META_COLOR_ENABLED] = "32", \
[NM_META_COLOR_DISABLED] = "31", \
NmCli nm_cli = {
.client = NULL,
.return_value = NMC_RESULT_SUCCESS,
.timeout = -1,
.secret_agent = NULL,
.pwds_hash = NULL,
.pk_listener = NULL,
.should_wait = 0,
.nowait_flag = TRUE,
.nmc_config.print_output = NMC_PRINT_NORMAL,
.nmc_config.multiline_output = FALSE,
.mode_specified = FALSE,
.nmc_config.escape_values = TRUE,
.required_fields = NULL,
.ask = FALSE,
.complete = FALSE,
.nmc_config.show_secrets = FALSE,
.nmc_config.in_editor = FALSE,
.nmc_config.palette = {
DEFAULT_PALETTE_INIT
},
.editor_status_line = FALSE,
.editor_save_confirmation = TRUE,
};
/*****************************************************************************/
typedef struct {
NmCli *nmc;
int argc;
char **argv;
} ArgsInfo;
/* --- Global variables --- */
GMainLoop *loop = NULL;
struct termios termios_orig;
NM_CACHED_QUARK_FCN ("nmcli-error-quark", nmcli_error_quark)
static void
complete_field_setting (GHashTable *h, NMMetaSettingType setting_type)
{
const NMMetaSettingInfoEditor *setting_info = &nm_meta_setting_infos_editor[setting_type];
guint i;
for (i = 0; i < setting_info->properties_num; i++) {
g_hash_table_add (h, g_strdup_printf ("%s.%s",
setting_info->general->setting_name,
setting_info->properties[i]->property_name));
}
}
static void
complete_field (GHashTable *h, const NmcMetaGenericInfo *const*field)
{
int i;
for (i = 0; field[i]; i++)
g_hash_table_add (h, g_strdup (field[i]->name));
}
static void
complete_one (gpointer key, gpointer value, gpointer user_data)
{
const char **option_with_value = user_data;
const char *option = option_with_value[0];
const char *prefix = option_with_value[1];
const char *name = key;
const char *last;
last = strrchr (prefix, ',');
if (last)
last++;
else
last = prefix;
if ((!*last && !strchr (name, '.')) || matches (last, name)) {
if (option != prefix) {
/* value prefix was not a standalone argument,
* it was part of --option=<value> argument.
* Repeat the part leading to "=". */
g_print ("%s=", option);
}
g_print ("%.*s%s%s\n", (int)(last-prefix), prefix, name,
strcmp (last, name) == 0 ? "," : "");
}
}
static void
complete_fields (const char *option, const char *prefix)
{
guint i;
GHashTable *h;
const char *option_with_value[2] = { option, prefix };
h = g_hash_table_new_full (nm_str_hash, g_str_equal, g_free, NULL);
complete_field (h, metagen_ip4_config);
complete_field (h, metagen_dhcp_config);
complete_field (h, metagen_ip6_config);
complete_field (h, metagen_con_show);
complete_field (h, metagen_con_active_general);
complete_field (h, metagen_con_active_vpn);
complete_field (h, nmc_fields_con_active_details_groups);
complete_field (h, metagen_device_status);
complete_field (h, metagen_device_detail_general);
complete_field (h, metagen_device_detail_connections);
complete_field (h, metagen_device_detail_capabilities);
complete_field (h, metagen_device_detail_wired_properties);
complete_field (h, metagen_device_detail_wifi_properties);
complete_field (h, metagen_device_detail_wimax_properties);
complete_field (h, nmc_fields_dev_wifi_list);
complete_field (h, nmc_fields_dev_wimax_list);
complete_field (h, nmc_fields_dev_show_master_prop);
complete_field (h, nmc_fields_dev_show_team_prop);
complete_field (h, nmc_fields_dev_show_vlan_prop);
complete_field (h, nmc_fields_dev_show_bluetooth);
complete_field (h, nmc_fields_dev_show_sections);
complete_field (h, nmc_fields_dev_lldp_list);
for (i = 0; i < _NM_META_SETTING_TYPE_NUM; i++)
complete_field_setting (h, i);
g_hash_table_foreach (h, complete_one, (gpointer) &option_with_value[0]);
g_hash_table_destroy (h);
}
static void
complete_option_with_value (const char *option, const char *prefix, ...)
{
va_list args;
const char *candidate;
va_start (args, prefix);
while ((candidate = va_arg (args, const char *))) {
if (!*prefix || matches (prefix, candidate)) {
if (option != prefix) {
/* value prefix was not a standalone argument,
* it was part of --option=<value> argument.
* Repeat the part leading to "=". */
g_print ("%s=", option);
}
g_print ("%s\n", candidate);
}
}
va_end (args);
}
static void
usage (void)
{
g_printerr (_("Usage: nmcli [OPTIONS] OBJECT { COMMAND | help }\n"
"\n"
"OPTIONS\n"
" -o[verview] overview mode (hide default values)\n"
" -t[erse] terse output\n"
" -p[retty] pretty output\n"
" -m[ode] tabular|multiline output mode\n"
" -c[olors] auto|yes|no whether to use colors in output\n"
" -f[ields] <field1,field2,...>|all|common specify fields to output\n"
" -g[et-values] <field1,field2,...>|all|common shortcut for -m tabular -t -f\n"
" -e[scape] yes|no escape columns separators in values\n"
" -a[sk] ask for missing parameters\n"
" -s[how-secrets] allow displaying passwords\n"
" -w[ait] <seconds> set timeout waiting for finishing operations\n"
" -v[ersion] show program version\n"
" -h[elp] print this help\n"
"\n"
"OBJECT\n"
" g[eneral] NetworkManager's general status and operations\n"
" n[etworking] overall networking control\n"
" r[adio] NetworkManager radio switches\n"
" c[onnection] NetworkManager's connections\n"
" d[evice] devices managed by NetworkManager\n"
" a[gent] NetworkManager secret agent or polkit agent\n"
" m[onitor] monitor NetworkManager changes\n"
"\n"));
}
static const NMCCommand nmcli_cmds[] = {
{ "general", do_general, NULL, FALSE, FALSE },
{ "monitor", do_monitor, NULL, TRUE, FALSE },
{ "networking", do_networking, NULL, FALSE, FALSE },
{ "radio", do_radio, NULL, FALSE, FALSE },
{ "connection", do_connections, NULL, FALSE, FALSE },
{ "device", do_devices, NULL, FALSE, FALSE },
{ "agent", do_agent, NULL, FALSE, FALSE },
{ NULL, do_overview, usage, TRUE, TRUE },
};
static gboolean
matches_arg (NmCli *nmc, int *argc, char ***argv, const char *pattern, char **arg)
{
char *opt = *argv[0];
if (nmc->return_value != NMC_RESULT_SUCCESS) {
/* Don't process further matches if there has been an error. */
return FALSE;
}
if (opt[1] == '-') {
/* We know one '-' was already seen by the caller.
* Skip it if there's a second one*/
opt++;
}
if (arg) {
/* If there's a "=" separator, replace it with NUL so that matches()
* works and consider the part after it to be the arguemnt's value. */
*arg = strchr (opt, '=');
if (*arg) {
**arg = '\0';
(*arg)++;
}
}
if (!matches (opt, pattern)) {
if (arg && *arg) {
/* Back off the replacement of "=". */
(*arg)--;
**arg = '=';
}
return FALSE;
}
if (arg && !*arg) {
/* We need a value, but the option didn't contain a "=<value>" part.
* Proceed to the next argument. */
(*argc)--;
(*argv)++;
if (!*argc) {
g_string_printf (nmc->return_text, _("Error: missing argument for '%s' option."), opt);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
return FALSE;
}
*arg = *argv[0];
}
return TRUE;
}
/*************************************************************************************/
typedef enum {
NMC_USE_COLOR_AUTO,
NMC_USE_COLOR_YES,
NMC_USE_COLOR_NO,
} NmcColorOption;
static char *
check_colors_construct_filename (const char *base_dir,
const char *name,
const char *term,
const char *type)
{
return g_strdup_printf ("%s/terminal-colors.d/%s%s%s%s%s",
base_dir,
name ? name : "",
term ? "@" : "", term ? term : "",
(name || term) ? "." : "",
type);
}
static NmcColorOption
check_colors_check_enabled_one_file (const char *base_dir,
const char *name,
const char *term)
{
gs_free char *filename_e = NULL;
gs_free char *filename_d = NULL;
filename_e = check_colors_construct_filename (base_dir, name, term, "enable");
if (g_file_test (filename_e, G_FILE_TEST_EXISTS))
return NMC_USE_COLOR_YES;
filename_d = check_colors_construct_filename (base_dir, name, term, "disable");
if (g_file_test (filename_d, G_FILE_TEST_EXISTS))
return NMC_USE_COLOR_NO;
return NMC_USE_COLOR_AUTO;
}
static char *
check_colors_check_palette_one_file (const char *base_dir,
const char *name,
const char *term)
{
gs_free char *filename = check_colors_construct_filename (base_dir, name, term, "schem");
char *contents;
if (g_file_get_contents (filename, &contents, NULL, NULL))
return contents;
return NULL;
}
static gboolean
check_colors_check_enabled (const char *base_dir_1, const char *base_dir_2, const char *name, const char *term)
{
int i;
if (term && strchr (term, '/'))
term = NULL;
#define CHECK_AND_RETURN(cmd) \
G_STMT_START { \
NmcColorOption _color_option; \
\
_color_option = (cmd); \
if (_color_option != NMC_USE_COLOR_AUTO) \
return _color_option == NMC_USE_COLOR_YES; \
} G_STMT_END
for (i = 0; i < 2; i++) {
const char *base_dir = (i == 0 ? base_dir_1 : base_dir_2);
if (!base_dir)
continue;
if (name && term)
CHECK_AND_RETURN (check_colors_check_enabled_one_file (base_dir, name, term));
if (name)
CHECK_AND_RETURN (check_colors_check_enabled_one_file (base_dir, name, NULL));
if (term)
CHECK_AND_RETURN (check_colors_check_enabled_one_file (base_dir, NULL, term));
if (TRUE)
CHECK_AND_RETURN (check_colors_check_enabled_one_file (base_dir, NULL, NULL));
}
#undef CHECK_AND_RETURN
return TRUE;
}
static char *
check_colors_check_palette (const char *base_dir_1, const char *base_dir_2, const char *name, const char *term)
{
int i;
if (term && strchr (term, '/'))
term = NULL;
#define CHECK_AND_RETURN(cmd) \
G_STMT_START { \
char *_palette; \
\
_palette = (cmd); \
if (_palette) \
return _palette; \
} G_STMT_END
for (i = 0; i < 2; i++) {
const char *base_dir = (i == 0 ? base_dir_1 : base_dir_2);
if (!base_dir)
continue;
if (name && term)
CHECK_AND_RETURN (check_colors_check_palette_one_file (base_dir, name, term));
if (name)
CHECK_AND_RETURN (check_colors_check_palette_one_file (base_dir, name, NULL));
if (term)
CHECK_AND_RETURN (check_colors_check_palette_one_file (base_dir, NULL, term));
if (TRUE)
CHECK_AND_RETURN (check_colors_check_palette_one_file (base_dir, NULL, NULL));
}
#undef CHECK_AND_RETURN
return NULL;
}
static gboolean
check_colors (NmcColorOption color_option,
char **out_palette_str)
{
const char *base_dir_1, *base_dir_2;
const char *const NAME = "nmcli";
const char *term;
*out_palette_str = NULL;
if (!NM_IN_SET (color_option, NMC_USE_COLOR_AUTO, NMC_USE_COLOR_YES)) {
/* nothing to do. Colors are disabled. */
return FALSE;
}
term = g_getenv ("TERM");
if (color_option == NMC_USE_COLOR_AUTO) {
if ( nm_streq0 (term, "dumb")
|| !isatty (STDOUT_FILENO))
return FALSE;
}
base_dir_1 = g_get_user_config_dir ();
base_dir_2 = ""SYSCONFDIR;
if (base_dir_1) {
if ( nm_streq (base_dir_1, base_dir_2)
|| !g_file_test (base_dir_1, G_FILE_TEST_EXISTS))
base_dir_1 = NULL;
}
if (!g_file_test (base_dir_2, G_FILE_TEST_EXISTS))
base_dir_2 = NULL;
if ( color_option == NMC_USE_COLOR_AUTO
&& !check_colors_check_enabled (base_dir_1, base_dir_2, NAME, term))
return FALSE;
*out_palette_str = check_colors_check_palette (base_dir_1, base_dir_2, NAME, term);
return TRUE;
}
static const char *
resolve_color_alias (const char *color)
{
static const struct {
const char *name;
const char *alias;
} const aliases[] = {
{ "reset", "0" },
{ "bold", "1" },
{ "white", "1;37" },
{ "halfbright", "2" },
{ "underscore", "4" },
{ "blink", "5" },
{ "reverse", "7" },
{ "black", "30" },
{ "red", "31" },
{ "green", "32" },
{ "brown", "33" },
{ "yellow", "33" }, /* well, yellow */
{ "blue", "34" },
{ "magenta", "35" },
{ "cyan", "36" },
{ "gray", "37" },
{ "darkgray", "90" },
{ "lightred", "91" },
{ "lightgreen", "92" },
{ "lightblue", "94" },
{ "lightmagenta", "95" },
{ "lightcyan", "96" },
{ "lightgray", "97" },
};
int i;
/* Shortcut literal sequences. */
if (g_ascii_isdigit (*color))
return color;
for (i = 0; i < G_N_ELEMENTS (aliases); i++) {
if (strcmp (color, aliases[i].name) == 0)
return aliases[i].alias;
}
return color;
}
static gboolean
parse_color_scheme (char *palette_buffer,
const char **palette /* _NM_META_COLOR_NUM elements */,
GError **error)
{
char *p = palette_buffer;
const char *name;
const char *color;
const char *tmp_palette[_NM_META_COLOR_NUM] = {
DEFAULT_PALETTE_INIT
};
static const char *const map[_NM_META_COLOR_NUM] = {
[NM_META_COLOR_NONE] = NULL,
[NM_META_COLOR_CONNECTION_ACTIVATED] = "connection-activated",
[NM_META_COLOR_CONNECTION_ACTIVATING] = "connection-activating",
[NM_META_COLOR_CONNECTION_DISCONNECTING] = "connection-disconnecting",
[NM_META_COLOR_CONNECTION_INVISIBLE] = "connection-invisible",
[NM_META_COLOR_CONNECTION_UNKNOWN] = "connection-unknown",
[NM_META_COLOR_CONNECTIVITY_FULL] = "connectivity-full",
[NM_META_COLOR_CONNECTIVITY_LIMITED] = "connectivity-limited",
[NM_META_COLOR_CONNECTIVITY_NONE] = "connectivity-none",
[NM_META_COLOR_CONNECTIVITY_PORTAL] = "connectivity-portal",
[NM_META_COLOR_CONNECTIVITY_UNKNOWN] = "connectivity-unknown",
[NM_META_COLOR_DEVICE_ACTIVATED] = "device-activated",
[NM_META_COLOR_DEVICE_ACTIVATING] = "device-activating",
[NM_META_COLOR_DEVICE_DISCONNECTED] = "device-disconnected",
[NM_META_COLOR_DEVICE_FIRMWARE_MISSING] = "device-firmware-missing",
[NM_META_COLOR_DEVICE_PLUGIN_MISSING] = "device-plugin-missing",
[NM_META_COLOR_DEVICE_UNAVAILABLE] = "device-unavailable",
[NM_META_COLOR_DEVICE_UNKNOWN] = "device-unknown",
[NM_META_COLOR_MANAGER_RUNNING] = "manager-running",
[NM_META_COLOR_MANAGER_STARTING] = "manager-starting",
[NM_META_COLOR_MANAGER_STOPPED] = "manager-stopped",
[NM_META_COLOR_PERMISSION_AUTH] = "permission-auth",
[NM_META_COLOR_PERMISSION_NO] = "permission-no",
[NM_META_COLOR_PERMISSION_UNKNOWN] = "permission-unknown",
[NM_META_COLOR_PERMISSION_YES] = "permission-yes",
[NM_META_COLOR_PROMPT] = "prompt",
[NM_META_COLOR_STATE_ASLEEP] = "state-asleep",
[NM_META_COLOR_STATE_CONNECTED_GLOBAL] = "state-connected-global",
[NM_META_COLOR_STATE_CONNECTED_LOCAL] = "state-connected-local",
[NM_META_COLOR_STATE_CONNECTED_SITE] = "state-connected-site",
[NM_META_COLOR_STATE_CONNECTING] = "state-connecting",
[NM_META_COLOR_STATE_DISCONNECTED] = "state-disconnected",
[NM_META_COLOR_STATE_DISCONNECTING] = "state-disconnecting",
[NM_META_COLOR_STATE_UNKNOWN] = "state-unknown",
[NM_META_COLOR_WIFI_SIGNAL_EXCELLENT] = "wifi-signal-excellent",
[NM_META_COLOR_WIFI_SIGNAL_FAIR] = "wifi-signal-fair",
[NM_META_COLOR_WIFI_SIGNAL_GOOD] = "wifi-signal-good",
[NM_META_COLOR_WIFI_SIGNAL_POOR] = "wifi-signal-poor",
[NM_META_COLOR_WIFI_SIGNAL_UNKNOWN] = "wifi-signal-unknown",
[NM_META_COLOR_DISABLED] = "disabled",
[NM_META_COLOR_ENABLED] = "enabled",
};
int i;
/* This reads through the raw color scheme file contents, identifying the
* color names and sequences, putting in terminating NULs in place, so that
* pointers into the buffer can readily be used as strings in the palette. */
while (1) {
/* Leading whitespace. */
while (nm_utils_is_separator (*p) || *p == '\n')
p++;
if (*p == '\0')
break;
/* Comments. */
if (*p == '#') {
while (*p != '\n' && *p != '\0')
p++;
continue;
}
/* Color name. */
name = p;
while (g_ascii_isgraph (*p))
p++;
if (*p == '\0') {
g_set_error (error, NMCLI_ERROR, 0,
_("Unexpected end of file following '%s'\n"), name);
return FALSE;
}
/* Separating whitespace. */
if (!nm_utils_is_separator (*p)) {
*p = '\0';
g_set_error (error, NMCLI_ERROR, 0,
_("Expected whitespace following '%s'\n"), name);
return FALSE;
}
while (nm_utils_is_separator (*p)) {
*p = '\0';
p++;
}
/* Color sequence. */
color = p;
if (!g_ascii_isgraph (*p)) {
g_set_error (error, NMCLI_ERROR, 0,
_("Expected a value for '%s'\n"), name);
return FALSE;
}
while (g_ascii_isgraph (*p))
p++;
/* Trailing whitespace. */
while (nm_utils_is_separator (*p)) {
*p = '\0';
p++;
}
if (*p != '\0') {
if (*p != '\n') {
g_set_error (error, NMCLI_ERROR, 0,
_("Expected a line break following '%s'\n"), color);
return FALSE;
}
*p = '\0';
p++;
}
/* All good, set the palette entry. */
for (i = NM_META_COLOR_NONE + 1; i < _NM_META_COLOR_NUM; i++) {
if (strcmp (map[i], name) == 0) {
tmp_palette[i] = resolve_color_alias (color);
break;
}
}
if (i == _NM_META_COLOR_NUM)
g_debug ("Ignoring an unrecognized color: '%s'\n", name);
}
memcpy (palette, tmp_palette, sizeof (tmp_palette));
return TRUE;
}
static void
set_colors (NmcColorOption color_option,
bool *out_use_colors,
char **out_palette_buffer,
const char **palette /* _NM_META_COLOR_NUM elements */)
{
gs_free char *palette_str = NULL;
gboolean use_colors;
use_colors = check_colors (color_option, &palette_str);
*out_use_colors = use_colors;
if (use_colors && palette_str) {
GError *error = NULL;
if (!parse_color_scheme (palette_str, palette, &error)) {
g_debug ("Error parsing color scheme: %s", error->message);
g_error_free (error);
} else
*out_palette_buffer = g_steal_pointer (&palette_str);
}
}
/*************************************************************************************/
static gboolean
process_command_line (NmCli *nmc, int argc, char **argv)
{
NmcColorOption colors = NMC_USE_COLOR_AUTO;
char *base;
base = strrchr (argv[0], '/');
if (base == NULL)
base = argv[0];
else
base++;
if (argc > 1 && nm_streq (argv[1], "--complete-args")) {
nmc->complete = TRUE;
argv[1] = argv[0];
next_arg (nmc, &argc, &argv, NULL);
}
next_arg (nmc, &argc, &argv, NULL);
/* parse options */
while (argc) {
char *value;
if (argv[0][0] != '-')
break;
if (argc == 1 && nmc->complete) {
nmc_complete_strings (argv[0], "--terse", "--pretty", "--mode", "--overview",
"--colors", "--escape",
"--fields", "--nocheck", "--get-values",
"--wait", "--version", "--help", NULL);
}
if (argv[0][1] == '-' && argv[0][2] == '\0') {
/* '--' ends options */
next_arg (nmc, &argc, &argv, NULL);
break;
}
if (matches_arg (nmc, &argc, &argv, "-overview", NULL)) {
nmc->nmc_config_mutable.overview = TRUE;
} else if (matches_arg (nmc, &argc, &argv, "-terse", NULL)) {
if (nmc->nmc_config.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 FALSE;
}
else if (nmc->nmc_config.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 FALSE;
}
else
nmc->nmc_config_mutable.print_output = NMC_PRINT_TERSE;
} else if (matches_arg (nmc, &argc, &argv, "-pretty", NULL)) {
if (nmc->nmc_config.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 FALSE;
}
else if (nmc->nmc_config.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 FALSE;
}
else
nmc->nmc_config_mutable.print_output = NMC_PRINT_PRETTY;
} else if (matches_arg (nmc, &argc, &argv, "-mode", &value)) {
nmc->mode_specified = TRUE;
if (argc == 1 && nmc->complete)
complete_option_with_value (argv[0], value, "tabular", "multiline", NULL);
if (matches (value, "tabular"))
nmc->nmc_config_mutable.multiline_output = FALSE;
else if (matches (value, "multiline"))
nmc->nmc_config_mutable.multiline_output = TRUE;
else {
g_string_printf (nmc->return_text, _("Error: '%s' is not a valid argument for '%s' option."), value, argv[0]);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
return FALSE;
}
} else if (matches_arg (nmc, &argc, &argv, "-colors", &value)) {
if (argc == 1 && nmc->complete)
complete_option_with_value (argv[0], value, "yes", "no", "auto", NULL);
if (matches (value, "auto"))
colors = NMC_USE_COLOR_AUTO;
else if (matches (value, "yes"))
colors = NMC_USE_COLOR_YES;
else if (matches (value, "no"))
colors = NMC_USE_COLOR_NO;
else {
g_string_printf (nmc->return_text, _("Error: '%s' is not valid argument for '%s' option."), value, argv[0]);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
return FALSE;
}
} else if (matches_arg (nmc, &argc, &argv, "-escape", &value)) {
if (argc == 1 && nmc->complete)
complete_option_with_value (argv[0], value, "yes", "no", NULL);
if (matches (value, "yes"))
nmc->nmc_config_mutable.escape_values = TRUE;
else if (matches (value, "no"))
nmc->nmc_config_mutable.escape_values = FALSE;
else {
g_string_printf (nmc->return_text, _("Error: '%s' is not valid argument for '%s' option."), value, argv[0]);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
return FALSE;
}
} else if (matches_arg (nmc, &argc, &argv, "-fields", &value)) {
if (argc == 1 && nmc->complete)
complete_fields (argv[0], value);
nmc->required_fields = g_strdup (value);
} else if (matches_arg (nmc, &argc, &argv, "-get-values", &value)) {
if (argc == 1 && nmc->complete)
complete_fields (argv[0], value);
nmc->required_fields = g_strdup (value);
nmc->nmc_config_mutable.print_output = NMC_PRINT_TERSE;
/* We want fixed tabular mode here, but just set the mode specified and rely on defaults:
* in this way we allow use of "-m multiline" to swap the output mode also if placed
* before the "-g <field>" option (-g may be still more practical and easy to remember than -t -f).
*/
nmc->mode_specified = TRUE;
} else if (matches_arg (nmc, &argc, &argv, "-nocheck", NULL)) {
/* ignore for backward compatibility */
} else if (matches_arg (nmc, &argc, &argv, "-wait", &value)) {
unsigned long timeout;
if (!nmc_string_to_uint (value, TRUE, 0, G_MAXINT, &timeout)) {
g_string_printf (nmc->return_text, _("Error: '%s' is not a valid timeout."), value);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
return FALSE;
}
nmc->timeout = (int) timeout;
} else if (matches_arg (nmc, &argc, &argv, "-version", NULL)) {
if (!nmc->complete)
g_print (_("nmcli tool, version %s\n"), NMCLI_VERSION);
return NMC_RESULT_SUCCESS;
} else if (matches_arg (nmc, &argc, &argv, "-help", NULL)) {
if (!nmc->complete)
usage ();
return NMC_RESULT_SUCCESS;
} else {
if (nmc->return_value == NMC_RESULT_SUCCESS) {
g_string_printf (nmc->return_text, _("Error: Option '%s' is unknown, try 'nmcli -help'."), argv[0]);
nmc->return_value = NMC_RESULT_ERROR_USER_INPUT;
}
return FALSE;
}
next_arg (nmc, &argc, &argv, NULL);
}
/* Ignore --overview when fields are set explicitly */
if (nmc->required_fields)
nmc->nmc_config_mutable.overview = FALSE;
set_colors (colors,
&nmc->nmc_config_mutable.use_colors,
&nmc->palette_buffer,
nmc->nmc_config_mutable.palette);
/* Now run the requested command */
nmc_do_cmd (nmc, nmcli_cmds, *argv, argc, argv);
return TRUE;
}
static gboolean nmcli_sigint = FALSE;
gboolean
nmc_seen_sigint (void)
{
return nmcli_sigint;
}
void
nmc_clear_sigint (void)
{
nmcli_sigint = FALSE;
}
void nmc_exit (void)
{
tcsetattr (STDIN_FILENO, TCSADRAIN, &termios_orig);
nmc_cleanup_readline ();
exit (1);
}
static gboolean
signal_handler (gpointer user_data)
{
int signo = GPOINTER_TO_INT (user_data);
switch (signo) {
case SIGINT:
if (nmc_get_in_readline ()) {
nmcli_sigint = TRUE;
} else {
nm_cli.return_value = 0x80 + signo;
g_string_printf (nm_cli.return_text, _("Error: nmcli terminated by signal %s (%d)"),
strsignal (signo), signo);
g_main_loop_quit (loop);
}
break;
case SIGTERM:
nm_cli.return_value = 0x80 + signo;
g_string_printf (nm_cli.return_text, _("Error: nmcli terminated by signal %s (%d)"),
strsignal (signo), signo);
nmc_exit ();
break;
}
return G_SOURCE_CONTINUE;
}
static void
nmc_convert_strv_to_string (const GValue *src_value, GValue *dest_value)
{
char **strings;
strings = g_value_get_boxed (src_value);
if (strings)
g_value_take_string (dest_value, g_strjoinv (",", strings));
else
g_value_set_string (dest_value, "");
}
static void
nmc_convert_string_hash_to_string (const GValue *src_value, GValue *dest_value)
{
GHashTable *hash;
GHashTableIter iter;
const char *key, *value;
GString *string;
hash = (GHashTable *) g_value_get_boxed (src_value);
string = g_string_new (NULL);
if (hash) {
g_hash_table_iter_init (&iter, hash);
while (g_hash_table_iter_next (&iter, (gpointer *) &key, (gpointer *) &value)) {
if (string->len)
g_string_append_c (string, ',');
g_string_append_printf (string, "%s=%s", key, value);
}
}
g_value_take_string (dest_value, g_string_free (string, FALSE));
}
static void
nmc_convert_bytes_to_string (const GValue *src_value, GValue *dest_value)
{
GBytes *bytes;
const guint8 *array;
gsize length;
GString *printable;
guint i = 0;
bytes = g_value_get_boxed (src_value);
printable = g_string_new ("[");
if (bytes) {
array = g_bytes_get_data (bytes, &length);
while (i < MIN (length, 35)) {
if (i > 0)
g_string_append_c (printable, ' ');
g_string_append_printf (printable, "0x%02X", array[i++]);
}
if (i < length)
g_string_append (printable, " ... ");
}
g_string_append_c (printable, ']');
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
nmc_value_transforms_register (void)
{
g_value_register_transform_func (G_TYPE_STRV,
G_TYPE_STRING,
nmc_convert_strv_to_string);
/* This depends on the fact that all of the hash-table-valued properties
* in libnm-core are string->string.
*/
g_value_register_transform_func (G_TYPE_HASH_TABLE,
G_TYPE_STRING,
nmc_convert_string_hash_to_string);
g_value_register_transform_func (G_TYPE_BYTES,
G_TYPE_STRING,
nmc_convert_bytes_to_string);
}
static void
nmc_cleanup (NmCli *nmc)
{
pid_t ret;
g_clear_object (&nmc->client);
g_string_free (nmc->return_text, TRUE);
if (nmc->secret_agent) {
/* Destroy secret agent if we have one. */
nm_secret_agent_old_unregister (nmc->secret_agent, NULL, NULL);
g_object_unref (nmc->secret_agent);
}
if (nmc->pwds_hash)
g_hash_table_destroy (nmc->pwds_hash);
nm_clear_g_free (&nmc->required_fields);
if (nmc->pager_pid > 0) {
fclose (stdout);
fclose (stderr);
do {
ret = waitpid (nmc->pager_pid, NULL, 0);
} while (ret == -1 && errno == EINTR);
nmc->pager_pid = 0;
}
nm_clear_g_free (&nmc->palette_buffer);
nmc_polkit_agent_fini (nmc);
}
int
main (int argc, char *argv[])
{
/* Set locale to use environment variables */
setlocale (LC_ALL, "");
#ifdef GETTEXT_PACKAGE
/* Set i18n stuff */
bindtextdomain (GETTEXT_PACKAGE, NMLOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
#endif
/* Save terminal settings */
tcgetattr (STDIN_FILENO, &termios_orig);
nmc_value_transforms_register ();
nm_cli.return_text = g_string_new (_("Success"));
loop = g_main_loop_new (NULL, FALSE);
g_unix_signal_add (SIGTERM, signal_handler, GINT_TO_POINTER (SIGTERM));
g_unix_signal_add (SIGINT, signal_handler, GINT_TO_POINTER (SIGINT));
if (process_command_line (&nm_cli, argc, argv))
g_main_loop_run (loop);
if (nm_cli.complete) {
/* Remove error statuses from command completion runs. */
if (nm_cli.return_value < NMC_RESULT_COMPLETE_FILE)
nm_cli.return_value = NMC_RESULT_SUCCESS;
} else if (nm_cli.return_value != NMC_RESULT_SUCCESS) {
/* Print result descripting text */
g_printerr ("%s\n", nm_cli.return_text->str);
}
g_main_loop_unref (loop);
nmc_cleanup (&nm_cli);
return nm_cli.return_value;
}
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