1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* cltest.c
Example program that uses the dhcpctl library. */
/*
* Copyright (c) 2004-2017 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 2000-2003 by Internet Software Consortium
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* 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.
* PO Box 360
* Newmarket, NH 03857 USA
* <info@isc.org>
* https://www.isc.org/
*
* This software was contributed to Internet Systems Consortium
* by Brian Murrell.
*/
#include "config.h"
#include <time.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "omapip/result.h"
#include "dhcpctl.h"
#include "dhcpd.h"
/* Fixups */
isc_result_t find_class (struct class **c, const char *n, const char *f, int l)
{
return 0;
}
int parse_allow_deny (struct option_cache **oc, struct parse *cfile, int flag)
{
return 0;
}
void dhcp (struct packet *packet) { }
void bootp (struct packet *packet) { }
#ifdef DHCPv6
/* XXX: should we warn or something here? */
void dhcpv6(struct packet *packet) { }
#ifdef DHCP4o6
isc_result_t dhcpv4o6_handler(omapi_object_t *h)
{
return ISC_R_NOTIMPLEMENTED;
}
#endif /* DHCP4o6 */
#endif /* DHCPv6 */
int check_collection (struct packet *p, struct lease *l, struct collection *c)
{
return 0;
}
void classify (struct packet *packet, struct class *class) { }
isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
control_object_state_t newstate)
{
return ISC_R_SUCCESS;
}
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);
}
|
