sdk-hwV1.3/lichee/xr806/appos/project/common/cmd/cmd_dhcpd.c

172 lines
5.5 KiB
C
Executable File

/*
* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if PRJCONF_NET_EN
#include "cmd_util.h"
#include "cmd_dhcpd.h"
#include "net/udhcp/usr_dhcpd.h"
#include "lwip/inet.h"
#define CMD_DHCPD_ADDR_START "192.168.51.100"
#define CMD_DHCPD_ADDR_END "192.168.51.150"
#define CMD_DHCPD_LEASE_TIME (60 * 60 * 12)
#define CMD_DHCPD_MAX_LEASE 5
static struct dhcp_server_info dhcpd_info;
static enum cmd_status dhcpd_start_exec(char *cmd)
{
if (dhcpd_info.addr_start == 0)
dhcpd_info.addr_start = inet_addr(CMD_DHCPD_ADDR_START);
if (dhcpd_info.addr_end == 0)
dhcpd_info.addr_end = inet_addr(CMD_DHCPD_ADDR_END);
if (dhcpd_info.lease_time == 0)
dhcpd_info.lease_time = CMD_DHCPD_LEASE_TIME;
if (dhcpd_info.max_leases == 0)
dhcpd_info.max_leases = CMD_DHCPD_MAX_LEASE;
dhcp_server_start(&dhcpd_info);
return CMD_STATUS_OK;
}
static enum cmd_status dhcpd_stop_exec(char *cmd)
{
dhcp_server_stop();
return CMD_STATUS_OK;
}
static enum cmd_status dhcpd_set_ippool_exec(char *cmd)
{
int argc;
char *argv[2];
ip_addr_t ip_addr_start;
ip_addr_t ip_addr_end;
argc = cmd_parse_argv(cmd, argv, cmd_nitems(argv));
if (argc != 2) {
CMD_ERR("invalid dhcp cmd, argc %d\n", argc);
return CMD_STATUS_INVALID_ARG;
}
if (inet_aton(argv[0], &ip_addr_start) == 0 ||
inet_aton(argv[1], &ip_addr_end) == 0) {
CMD_ERR("invalid dhcp cmd <%s %s>\n", argv[0], argv[1]);
return CMD_STATUS_INVALID_ARG;
}
#ifdef CONFIG_LWIP_V1
dhcpd_info.addr_start = ip4_addr_get_u32(&ip_addr_start);
dhcpd_info.addr_end = ip4_addr_get_u32(&ip_addr_end);
#elif LWIP_IPV4 /* now only for IPv4 */
dhcpd_info.addr_start = ip4_addr_get_u32(ip_2_ip4(&ip_addr_start));
dhcpd_info.addr_end = ip4_addr_get_u32(ip_2_ip4(&ip_addr_end));
#else
#error "IPv4 not support!"
#endif
return CMD_STATUS_OK;
}
static enum cmd_status dhcpd_set_max_leases_exec(char *cmd)
{
int argc;
char *argv[1];
int leases;
argc = cmd_parse_argv(cmd, argv, cmd_nitems(argv));
if (argc != 1) {
CMD_ERR("invalid dhcp cmd, argc %d\n", argc);
return CMD_STATUS_INVALID_ARG;
}
leases = cmd_atoi(argv[0]);
if (leases < 0 || leases > 254) {
CMD_ERR("invalid dhcp cmd, leases=%s", argv[0]);
return CMD_STATUS_INVALID_ARG;
}
dhcpd_info.max_leases = leases;
return CMD_STATUS_OK;
}
static enum cmd_status dhcpd_set_lease_time_exec(char *cmd)
{
int argc;
char *argv[1];
int lease_time;
argc = cmd_parse_argv(cmd, argv, cmd_nitems(argv));
if (argc != 1) {
CMD_ERR("invalid dhcp cmd, argc %d\n", argc);
return CMD_STATUS_INVALID_ARG;
}
lease_time = cmd_atoi(argv[0]);
if (lease_time < 60) {
CMD_ERR("leasetime must greater than 60\n");
return CMD_STATUS_INVALID_ARG;
}
dhcpd_info.lease_time = lease_time;
return CMD_STATUS_OK;
}
#if CMD_DESCRIBE
#define dhcpd_start_help_info "start the dhcpd server."
#define dhcpd_stop_help_info "stop the dhcpd server."
#define dhcpd_ippool_help_info "set the dhcpd server ippool, ippool <ip-addr-start> <ip-addr-end>."
#define dhcpd_set_max_leases_help_info "set the set max leases of dhcpd server, leases <lease-num>."
#define dhcpd_set_lease_time_help_info "set the set leases time of dhcpd server, leasetime <sec>."
#endif
/*
* dhcp commands
*/
static enum cmd_status cmd_dhcpd_help_exec(char *cmd);
static const struct cmd_data g_dhcpd_cmds[] = {
{ "start", dhcpd_start_exec, CMD_DESC(dhcpd_start_help_info) },
{ "stop", dhcpd_stop_exec, CMD_DESC(dhcpd_stop_help_info) },
{ "ippool", dhcpd_set_ippool_exec, CMD_DESC(dhcpd_ippool_help_info) },
{ "leases", dhcpd_set_max_leases_exec, CMD_DESC(dhcpd_set_max_leases_help_info) },
{ "leasetime", dhcpd_set_lease_time_exec, CMD_DESC(dhcpd_set_lease_time_help_info) },
{ "help", cmd_dhcpd_help_exec, CMD_DESC(CMD_HELP_DESC) },
};
static enum cmd_status cmd_dhcpd_help_exec(char *cmd)
{
return cmd_help_exec(g_dhcpd_cmds, cmd_nitems(g_dhcpd_cmds), 8);
}
enum cmd_status cmd_dhcpd_exec(char *cmd)
{
return cmd_exec(cmd, g_dhcpd_cmds, cmd_nitems(g_dhcpd_cmds));
}
#endif /* PRJCONF_NET_EN */