NetworkInador/src/manager-bridge.c

118 lines
3.7 KiB
C

/*
* manager-bridge.c
* This file is part of Network-inador
*
* Copyright (C) 2025 - Félix Arreola Rodríguez
*
* Network-inador 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.
*
* Network-inador 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 Network-inador; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <linux/if.h>
#include <linux/if_addr.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include "manager-private.h"
#include "network-inador-public.h"
#include "network-inador-manager.h"
void _manager_bridge_handle_create (ManagerClientInfo *manager_client, unsigned char *buffer, int buffer_len) {
int ret;
int name_len;
unsigned char name[IFNAMSIZ];
if (buffer_len < 3) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_CREATE_BRIDGE);
return;
}
name_len = buffer[2];
if (name_len == 0 || name_len >= IFNAMSIZ) {
_manager_send_error (manager_client, NET_INADOR_ERROR_BAD_STRING, NET_INADOR_COMMAND_CREATE_BRIDGE);
return;
}
if (name_len + 3 < buffer_len) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_CREATE_BRIDGE);
return;
}
memcpy (name, &buffer[3], name_len);
if (name[0] == 0) {
_manager_send_error (manager_client, NET_INADOR_ERROR_BAD_STRING, NET_INADOR_COMMAND_CREATE_BRIDGE);
return;
}
name[name_len] = 0;
ret = interfaces_bridge_create (manager_client->manager->handle, name);
if (ret == 0) {
/* OK */
_manager_send_executed (manager_client);
} else {
_manager_send_error (manager_client, NET_INADOR_ERROR_NOT_EXECUTED, NET_INADOR_COMMAND_CREATE_BRIDGE);
}
}
void _manager_bridge_handle_set_or_clear_master (ManagerClientInfo *manager_client, unsigned char *buffer, int buffer_len, int is_clear) {
Interface *iface, *master;
int ret;
uint32_t u32, master_u32;
if (is_clear && buffer_len < 6) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_CLEAR_MASTER);
return;
} else if (is_clear == FALSE && buffer_len < 10) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INCOMPLETE_REQUEST, NET_INADOR_COMMAND_SET_MASTER);
return;
}
memcpy (&u32, &buffer[2], 4);
iface = network_inador_get_iface (manager_client->manager->handle, u32);
if (iface == NULL) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_IFACE_INDEX, (is_clear ? NET_INADOR_COMMAND_CLEAR_MASTER : NET_INADOR_COMMAND_SET_MASTER));
return;
}
if (is_clear == FALSE) {
memcpy (&master_u32, &buffer[6], 4);
master = network_inador_get_iface (manager_client->manager->handle, u32);
if (master == NULL) {
_manager_send_error (manager_client, NET_INADOR_ERROR_INVALID_IFACE_INDEX, NET_INADOR_COMMAND_SET_MASTER);
return;
}
ret = interfaces_bridge_set_master_interface (manager_client->manager->handle, master_u32, u32);
} else {
ret = interfaces_bridge_remove_master_interface (manager_client->manager->handle, u32);
}
if (ret == 0) {
/* OK */
_manager_send_executed (manager_client);
} else {
_manager_send_error (manager_client, NET_INADOR_ERROR_NOT_EXECUTED, (is_clear ? NET_INADOR_COMMAND_CLEAR_MASTER : NET_INADOR_COMMAND_SET_MASTER));
}
}