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/* cltest.c
Example program that uses the dhcpctl library. */
/*
* Copyright (c) 2004,2007 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 2000-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* 950 Charter Street
* Redwood City, CA 94063
* <info@isc.org>
* https://www.isc.org/
*
* This software was contributed to Internet Systems Consortium
* by Brian Murrell.
*/
#include <time.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <isc-dhcp/result.h>
#include "dhcpctl.h"
int main (int, char **);
enum modes { up, down, undefined };
static void usage (char *s) {
fprintf (stderr,
"Usage: %s [-n <username>] [-p <password>] [-a <algorithm>]"
"(-u | -d) <if>\n", s);
exit (1);
}
int main (argc, argv)
int argc;
char **argv;
{
isc_result_t status, waitstatus;
dhcpctl_handle authenticator;
dhcpctl_handle connection;
dhcpctl_handle interface_handle;
dhcpctl_data_string result;
int i;
int mode = undefined;
const char *interface = 0;
const char *action;
for (i = 1; i < argc; i++) {
if (!strcmp (argv[i], "-u")) {
mode = up;
} else if (!strcmp (argv [i], "-d")) {
mode = down;
} else if (argv[i][0] == '-') {
usage(argv[0]);
} else {
interface = argv[i];
}
}
if (!interface)
usage(argv[0]);
if (mode == undefined)
usage(argv[0]);
status = dhcpctl_initialize ();
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_initialize: %s\n",
isc_result_totext (status));
exit (1);
}
authenticator = dhcpctl_null_handle;
connection = dhcpctl_null_handle;
status = dhcpctl_connect (&connection, "127.0.0.1", 7911,
authenticator);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_connect: %s\n",
isc_result_totext (status));
exit (1);
}
interface_handle = dhcpctl_null_handle;
status = dhcpctl_new_object (&interface_handle,
connection, "interface");
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_new_object: %s\n",
isc_result_totext (status));
exit (1);
}
status = dhcpctl_set_string_value (interface_handle,
interface, "name");
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_set_value: %s\n",
isc_result_totext (status));
exit (1);
}
if (mode == up) {
/* "up" the interface */
printf ("upping interface %s\n", interface);
action = "create";
status = dhcpctl_open_object (interface_handle, connection,
DHCPCTL_CREATE | DHCPCTL_EXCL);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_open_object: %s\n",
isc_result_totext (status));
exit (1);
}
} else {
/* down the interface */
printf ("downing interface %s\n", interface);
action = "remove";
status = dhcpctl_open_object (interface_handle, connection, 0);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_open_object: %s\n",
isc_result_totext (status));
exit (1);
}
status = dhcpctl_wait_for_completion (interface_handle,
&waitstatus);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_wait_for_completion: %s\n",
isc_result_totext (status));
exit (1);
}
if (waitstatus != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_wait_for_completion: %s\n",
isc_result_totext (waitstatus));
exit (1);
}
status = dhcpctl_object_remove (connection, interface_handle);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_open_object: %s\n",
isc_result_totext (status));
exit (1);
}
}
status = dhcpctl_wait_for_completion (interface_handle, &waitstatus);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_wait_for_completion: %s\n",
isc_result_totext (status));
exit (1);
}
if (waitstatus != ISC_R_SUCCESS) {
fprintf (stderr, "interface object %s: %s\n", action,
isc_result_totext (waitstatus));
exit (1);
}
memset (&result, 0, sizeof result);
status = dhcpctl_get_value (&result, interface_handle, "state");
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_get_value: %s\n",
isc_result_totext (status));
exit (1);
}
exit (0);
}
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