iwd/client/ad-hoc.c

274 lines
6.7 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2018-2019 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ell/ell.h>
#include "client/command.h"
#include "client/dbus-proxy.h"
#include "client/device.h"
#include "client/display.h"
struct ad_hoc {
bool started;
};
static void *ad_hoc_create(void)
{
return l_new(struct ad_hoc, 1);
}
static void ad_hoc_destroy(void *data)
{
struct ad_hoc *ad_hoc = data;
l_free(ad_hoc);
}
static const struct proxy_interface_type_ops ad_hoc_ops = {
.create = ad_hoc_create,
.destroy = ad_hoc_destroy,
};
static const char *get_started_tostr(const void *data)
{
const struct ad_hoc *ad_hoc = data;
return ad_hoc->started ? "yes" : "no";
}
static void update_started(void *data, struct l_dbus_message_iter *variant)
{
struct ad_hoc *ad_hoc = data;
bool value;
if (!l_dbus_message_iter_get_variant(variant, "b", &value)) {
ad_hoc->started = false;
return;
}
ad_hoc->started = value;
}
static const struct proxy_interface_property ad_hoc_properties[] = {
{ "Started", "b", update_started, get_started_tostr },
{ }
};
static struct proxy_interface_type ad_hoc_interface_type = {
.interface = IWD_AD_HOC_INTERFACE,
.properties = ad_hoc_properties,
.ops = &ad_hoc_ops,
};
static void check_errors_method_callback(struct l_dbus_message *message,
void *user_data)
{
dbus_message_has_error(message);
}
static void display_ad_hoc_inline(const char *margin, const void *data)
{
const struct proxy_interface *ad_hoc_i = data;
const struct ad_hoc *ad_hoc = proxy_interface_get_data(ad_hoc_i);
struct proxy_interface *device_i =
proxy_interface_find(IWD_DEVICE_INTERFACE,
proxy_interface_get_path(ad_hoc_i));
const char *identity;
if (!device_i)
return;
identity = proxy_interface_get_identity_str(device_i);
if (!identity)
return;
display("%s%-*s%-*s\n", margin,
20, identity,
8, get_started_tostr(ad_hoc));
}
static enum cmd_status cmd_list(const char *device_name, char **argv, int argc)
{
const struct l_queue_entry *entry;
struct l_queue *match =
proxy_interface_find_all(IWD_AD_HOC_INTERFACE, NULL, NULL);
display_table_header("Devices in Ad-Hoc Mode", MARGIN "%-*s %-*s",
20, "Name", 8, "Started");
if (!match) {
display("No devices in Ad-Hoc mode available.\n");
display_table_footer();
return CMD_STATUS_DONE;
}
for (entry = l_queue_get_entries(match); entry; entry = entry->next) {
const struct proxy_interface *ad_hoc = entry->data;
display_ad_hoc_inline(MARGIN, ad_hoc);
}
display_table_footer();
l_queue_destroy(match, NULL);
return CMD_STATUS_DONE;
}
static enum cmd_status cmd_start(const char *device_name, char **argv, int argc)
{
const struct proxy_interface *adhoc_i;
if (argc < 2)
return CMD_STATUS_INVALID_ARGS;
if (strlen(argv[0]) > 32) {
display("Network name cannot exceed 32 characters.\n");
return CMD_STATUS_INVALID_VALUE;
}
if (strlen(argv[1]) < 8) {
display("Passphrase cannot be shorted than 8 characters.\n");
return CMD_STATUS_INVALID_VALUE;
}
adhoc_i = device_proxy_find(device_name, IWD_AD_HOC_INTERFACE);
if (!adhoc_i) {
display("No ad-hoc on device: '%s'\n", device_name);
return CMD_STATUS_INVALID_VALUE;
}
proxy_interface_method_call(adhoc_i, "Start", "ss",
check_errors_method_callback,
argv[0], argv[1]);
return CMD_STATUS_TRIGGERED;
}
static enum cmd_status cmd_start_open(const char *device_name,
char **argv, int argc)
{
const struct proxy_interface *adhoc_i;
if (argc < 1)
return CMD_STATUS_INVALID_ARGS;
if (strlen(argv[0]) > 32) {
display("Network name cannot exceed 32 characters.\n");
return CMD_STATUS_INVALID_VALUE;
}
adhoc_i = device_proxy_find(device_name, IWD_AD_HOC_INTERFACE);
if (!adhoc_i) {
display("No ad-hoc on device: '%s'\n", device_name);
return CMD_STATUS_INVALID_VALUE;
}
proxy_interface_method_call(adhoc_i, "StartOpen", "s",
check_errors_method_callback,
argv[0]);
return CMD_STATUS_TRIGGERED;
}
static enum cmd_status cmd_stop(const char *device_name, char **argv, int argc)
{
const struct proxy_interface *adhoc_i =
device_proxy_find(device_name, IWD_AD_HOC_INTERFACE);
if (!adhoc_i) {
display("No ad-hoc on device: '%s'\n", device_name);
return CMD_STATUS_INVALID_VALUE;
}
proxy_interface_method_call(adhoc_i, "Stop", "",
check_errors_method_callback);
return CMD_STATUS_TRIGGERED;
}
static const struct command ad_hoc_commands[] = {
{ NULL, "list", NULL, cmd_list, "List devices in Ad-hoc mode", true },
{ "<wlan>", "start", "<\"network name\"> <passphrase>", cmd_start,
"Start or join an existing Ad-Hoc network called "
"\"network name\" with a passphrase" },
{ "<wlan>", "start_open", "<\"network name\">", cmd_start_open,
"Start or join an existing open Ad-Hoc network called"
" \"network name\"" },
{ "<wlan>", "stop", NULL, cmd_stop, "Leave an Ad-Hoc network" },
{ }
};
static char *family_arg_completion(const char *text, int state)
{
return device_arg_completion(text, state, ad_hoc_commands,
IWD_AD_HOC_INTERFACE);
}
static char *entity_arg_completion(const char *text, int state)
{
return command_entity_arg_completion(text, state, ad_hoc_commands);
}
static struct command_family ad_hoc_command_family = {
.caption = "Ad-Hoc",
.name = "ad-hoc",
.command_list = ad_hoc_commands,
.family_arg_completion = family_arg_completion,
.entity_arg_completion = entity_arg_completion,
};
static int ad_hoc_command_family_init(void)
{
command_family_register(&ad_hoc_command_family);
return 0;
}
static void ad_hoc_command_family_exit(void)
{
command_family_unregister(&ad_hoc_command_family);
}
COMMAND_FAMILY(ap_command_family, ad_hoc_command_family_init,
ad_hoc_command_family_exit)
static int ad_hoc_interface_init(void)
{
proxy_interface_type_register(&ad_hoc_interface_type);
return 0;
}
static void ad_hoc_interface_exit(void)
{
proxy_interface_type_unregister(&ad_hoc_interface_type);
}
INTERFACE_TYPE(ap_interface_type, ad_hoc_interface_init, ad_hoc_interface_exit)