mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-23 06:02:37 +01:00
418 lines
9.3 KiB
C
418 lines
9.3 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2017 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _XOPEN_SOURCE 700
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#include <time.h>
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#include <ell/ell.h>
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#include "command.h"
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#include "dbus-proxy.h"
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#include "display.h"
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#define IWD_KNOWN_NETWORKS_PATH "/"
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struct known_network {
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char *name;
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char *type;
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char *last_seen;
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char *last_connected;
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};
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static void known_network_destroy(void *data)
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{
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struct known_network *network = data;
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l_free(network->last_connected);
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l_free(network->last_seen);
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l_free(network->name);
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l_free(network->type);
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l_free(network);
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}
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static const char *format_iso8601(const char *time_str, const char *format)
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{
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struct tm tm;
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time_t time;
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static char buf[255];
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if (!time_str)
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return NULL;
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memset(&tm, 0, sizeof(struct tm));
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strptime(time_str, "%FT%TZ", &tm);
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time = mktime(&tm);
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strftime(buf, sizeof(buf), format, localtime(&time));
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return buf;
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}
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static void known_networks_display(struct l_queue *known_networks)
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{
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const struct l_queue_entry *entry;
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display_table_header("Known Networks", " %-*s%-*s%-*s%-*s",
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32, "Name", 11, "Security",
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19, "Last connected", 17, "Last seen");
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if (!l_queue_length(known_networks))
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display(MARGIN "No known networks\n");
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for (entry = l_queue_get_entries(known_networks); entry;
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entry = entry->next) {
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struct known_network *network = entry->data;
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char *last_connected =
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l_strdup(format_iso8601(network->last_connected,
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"%b %e, %l:%M %p"));
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char *last_seen =
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l_strdup(format_iso8601(network->last_seen,
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"%b %e, %l:%M %p"));
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display(" %-*s%-*s%-*s%-*s"
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"\n", 32, network->name, 11, network->type,
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19, last_connected ? : "-", 17, last_seen ? : "-");
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l_free(last_connected);
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l_free(last_seen);
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}
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display_table_footer();
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}
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static void set_name(void *data, struct l_dbus_message_iter *variant)
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{
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struct known_network *network = data;
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const char *value;
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if (!l_dbus_message_iter_get_variant(variant, "s", &value)) {
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network->name = NULL;
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return;
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}
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network->name = l_strdup(value);
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}
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static void set_type(void *data, struct l_dbus_message_iter *variant)
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{
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struct known_network *network = data;
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const char *value;
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if (!l_dbus_message_iter_get_variant(variant, "s", &value)) {
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network->type = NULL;
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return;
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}
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network->type = l_strdup(value);
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}
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static void set_last_connected(void *data, struct l_dbus_message_iter *variant)
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{
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struct known_network *network = data;
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const char *value;
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if (!l_dbus_message_iter_get_variant(variant, "s", &value)) {
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network->last_connected = NULL;
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return;
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}
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network->last_connected = l_strdup(value);
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}
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static void set_last_seen(void *data, struct l_dbus_message_iter *variant)
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{
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struct known_network *network = data;
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const char *value;
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if (!l_dbus_message_iter_get_variant(variant, "s", &value)) {
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network->last_seen = NULL;
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return;
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}
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network->last_seen = l_strdup(value);
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}
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static const struct proxy_interface_property known_network_properties[] = {
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{ "Name", "s", set_name },
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{ "Type", "s", set_type },
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{ "LastConnectedTime", "s", set_last_connected },
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{ "LastSeenTime", "s", set_last_seen },
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{ },
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};
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static void populate_known_network(struct known_network *network,
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struct l_dbus_message_iter *network_iter)
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{
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const char *name;
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size_t i;
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struct l_dbus_message_iter variant;
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while (l_dbus_message_iter_next_entry(network_iter, &name, &variant)) {
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for (i = 0; known_network_properties[i].name; i++) {
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if (strcmp(known_network_properties[i].name, name))
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continue;
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if (!known_network_properties[i].set)
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break;
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known_network_properties[i].set(network, &variant);
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break;
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}
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}
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}
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static void list_networks_callback(struct l_dbus_message *message, void *proxy)
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{
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struct l_queue *known_networks = proxy_interface_get_data(proxy);
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struct l_dbus_message_iter network_iter;
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struct l_dbus_message_iter iter;
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if (dbus_message_has_error(message))
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return;
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if (!l_dbus_message_get_arguments(message, "aa{sv}", &iter)) {
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l_error("Failed to parse 'list known networks' callback "
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"message");
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return;
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}
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l_queue_clear(known_networks, known_network_destroy);
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while (l_dbus_message_iter_next_entry(&iter, &network_iter)) {
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struct known_network *network = l_new(struct known_network, 1);
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populate_known_network(network, &network_iter);
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l_queue_push_tail(known_networks, network);
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}
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known_networks_display(known_networks);
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}
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static void *known_networks_create(void)
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{
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return l_queue_new();
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}
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static void known_networks_destroy(void *data)
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{
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struct l_queue *networks = data;
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l_queue_destroy(networks, known_network_destroy);
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}
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static const struct proxy_interface_type_ops known_networks_ops = {
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.create = known_networks_create,
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.destroy = known_networks_destroy,
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};
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static struct proxy_interface_type known_networks_interface_type = {
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.interface = IWD_KNOWN_NETWORKS_INTREFACE,
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.ops = &known_networks_ops,
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};
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static enum cmd_status cmd_list(const char *entity, char *args)
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{
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struct proxy_interface *proxy =
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proxy_interface_find(IWD_KNOWN_NETWORKS_INTREFACE,
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IWD_KNOWN_NETWORKS_PATH);
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if (!proxy)
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return CMD_STATUS_FAILED;
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proxy_interface_method_call(proxy, "ListKnownNetworks", "",
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list_networks_callback);
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return CMD_STATUS_OK;
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}
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static enum cmd_status cmd_forget(const char *entity, char *args)
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{
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char **arg_arr;
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const char *network_name;
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const char *network_type;
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const struct l_queue_entry *entry;
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struct known_network *network = NULL;
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struct known_network *net;
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struct l_queue *known_networks;
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struct l_queue *match;
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struct proxy_interface *proxy =
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proxy_interface_find(IWD_KNOWN_NETWORKS_INTREFACE,
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IWD_KNOWN_NETWORKS_PATH);
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if (!proxy)
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return CMD_STATUS_FAILED;
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arg_arr = l_strsplit(args, ' ');
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if (!arg_arr || !arg_arr[0]) {
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l_strfreev(arg_arr);
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return CMD_STATUS_INVALID_ARGS;
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}
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network_name = arg_arr[0];
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known_networks = proxy_interface_get_data(proxy);
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match = NULL;
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for (entry = l_queue_get_entries(known_networks); entry;
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entry = entry->next) {
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net = entry->data;
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if (strcmp(net->name, network_name))
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continue;
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if (!match)
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match = l_queue_new();
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l_queue_push_tail(match, net);
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}
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if (!match) {
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display("Invalid network name '%s'\n", network_name);
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l_strfreev(arg_arr);
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return CMD_STATUS_INVALID_VALUE;
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}
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if (l_queue_length(match) > 1) {
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if (!arg_arr[1]) {
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display("Provided network name is ambiguous. "
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"Please specify security type.\n");
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l_queue_destroy(match, NULL);
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l_strfreev(arg_arr);
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return CMD_STATUS_INVALID_VALUE;
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}
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network_type = arg_arr[1];
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for (entry = l_queue_get_entries(match); entry;
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entry = entry->next) {
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net = entry->data;
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if (!strcmp(net->type, network_type)) {
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network = net;
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break;
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}
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}
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} else {
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network = l_queue_pop_head(match);
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}
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l_queue_destroy(match, NULL);
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l_strfreev(arg_arr);
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if (!network) {
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display("No network with specified parameters was found\n");
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return CMD_STATUS_INVALID_VALUE;
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}
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proxy_interface_method_call(proxy, "ForgetNetwork", "ss", NULL,
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network->name, network->type);
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return CMD_STATUS_OK;
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}
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static const struct command known_networks_commands[] = {
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{ NULL, "list", NULL, cmd_list, "List known networks", true },
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{ NULL, "forget", "<network name> [security]",
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cmd_forget, "Forget known network" },
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{ }
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};
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static char *family_arg_completion(const char *text, int state)
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{
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static size_t index;
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static size_t len;
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const char *cmd;
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if (!state) {
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index = 0;
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len = strlen(text);
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}
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while ((cmd = known_networks_commands[index].cmd)) {
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if (known_networks_commands[index++].entity)
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continue;
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if (strncmp(cmd, text, len))
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continue;
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return l_strdup(cmd);
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}
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return NULL;
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}
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static struct command_family known_networks_command_family = {
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.caption = "Known Networks",
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.name = "known-networks",
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.command_list = known_networks_commands,
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.family_arg_completion = family_arg_completion,
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};
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static int known_networks_command_family_init(void)
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{
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command_family_register(&known_networks_command_family);
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return 0;
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}
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static void known_networks_command_family_exit(void)
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{
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command_family_unregister(&known_networks_command_family);
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}
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COMMAND_FAMILY(known_networks_command_family,
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known_networks_command_family_init,
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known_networks_command_family_exit)
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static int known_networks_interface_init(void)
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{
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proxy_interface_type_register(&known_networks_interface_type);
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return 0;
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}
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static void known_networks_interface_exit(void)
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{
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proxy_interface_type_unregister(&known_networks_interface_type);
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}
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INTERFACE_TYPE(known_networks_interface_type, known_networks_interface_init,
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known_networks_interface_exit)
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