rtems-libbsd/rtemsbsd/rtems/rtems-bsd-shell-dhcpcd.c
Sebastian Huber 8bd38d645c dhcpcd: Add rtems_dhcpcd_start()
Use it throughout to start the DHCP client (dhcpcd).
2018-05-08 06:50:17 +02:00

103 lines
2.9 KiB
C

/*
* Copyright (c) 2013, 2018 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <rtems/netcmds-config.h>
#include <rtems.h>
#include <rtems/dhcpcd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
rtems_dhcpcd_config config;
char *argv[RTEMS_ZERO_LENGTH_ARRAY];
} dhcpcd_command_config;
static void
dhcpcd_command_destroy_config(const rtems_dhcpcd_config *config, int exit_code)
{
char **argv;
(void)exit_code;
argv = config->argv;
while (*argv != NULL) {
free(*argv);
++argv;
}
free(RTEMS_DECONST(rtems_dhcpcd_config *, config));
}
static int
dhcpcd_command(int argc, char **argv)
{
dhcpcd_command_config *config;
rtems_status_code sc;
int i;
config = calloc(1, sizeof(*config) + (argc + 1) * sizeof(char *));
if (config == NULL) {
fprintf(stdout, "dhcpcd error: not enough memory\n");
return 1;
}
for (i = 0; i < argc; ++i) {
config->argv[i] = strdup(argv[i]);
if (config->argv[i] == NULL) {
dhcpcd_command_destroy_config(&config->config, 0);
fprintf(stdout, "dhcpcd error: not enough memory\n");
return 1;
}
}
config->config.argc = argc;
config->config.argv = &config->argv[0];
config->config.destroy = dhcpcd_command_destroy_config;
sc = rtems_dhcpcd_start(&config->config);
if (sc != RTEMS_SUCCESSFUL) {
dhcpcd_command_destroy_config(&config->config, 0);
fprintf(stdout, "dhcpcd start failed: %s\n", rtems_status_text(sc));
}
return 0;
}
rtems_shell_cmd_t rtems_shell_DHCPCD_Command = {
.name = "dhcpcd",
.usage = "dhcpcd [args]",
.topic = "net",
.command = dhcpcd_command
};