360 lines
11 KiB
C
360 lines
11 KiB
C
/* remote.c
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The dhcpctl remote object. */
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/*
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* Copyright (c) 1999-2000 Internet Software Consortium.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Internet Software Consortium nor the names
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* of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This software has been written for the Internet Software Consortium
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* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
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* To learn more about the Internet Software Consortium, see
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* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
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* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
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* ``http://www.nominum.com''.
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*/
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#include <omapip/omapip_p.h>
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#include "dhcpctl.h"
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/* dhcpctl_new_authenticator
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synchronous - creates an authenticator object.
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returns nonzero status code if the object couldn't be created
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stores handle to authenticator through h if successful, and returns zero.
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name is the authenticator name (NUL-terminated string).
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algorithm is the NUL-terminated string name of the algorithm to use
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(currently, only "hmac-md5" is supported).
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secret and secret_len is the key secret. */
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dhcpctl_status dhcpctl_new_authenticator (dhcpctl_handle *h,
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const char *name,
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const char *algorithm,
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const char *secret,
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unsigned secret_len)
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{
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struct auth_key *key = (struct auth_key *)0;
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isc_result_t status;
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status = omapi_auth_key_new (&key, MDL);
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if (status != ISC_R_SUCCESS)
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return status;
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key -> name = dmalloc (strlen (name) + 1, MDL);
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if (!key -> name) {
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omapi_auth_key_dereference (&key, MDL);
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return ISC_R_NOMEMORY;
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}
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strcpy (key -> name, name);
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/* If the algorithm name isn't an FQDN, tack on the
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.SIG-ALG.REG.NET. domain. */
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if (strchr (algorithm, '.') == 0) {
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static char add[] = ".SIG-ALG.REG.INT.";
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key -> algorithm = dmalloc (strlen (algorithm) +
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sizeof (add), MDL);
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if (!key -> algorithm) {
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omapi_auth_key_dereference (&key, MDL);
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return ISC_R_NOMEMORY;
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}
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strcpy (key -> algorithm, algorithm);
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strcat (key -> algorithm, add);
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} else {
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key -> algorithm = dmalloc (strlen (algorithm) + 1, MDL);
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if (!key -> algorithm) {
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omapi_auth_key_dereference (&key, MDL);
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return ISC_R_NOMEMORY;
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}
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strcpy (key -> algorithm, algorithm);
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}
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status = omapi_data_string_new (&key -> key, secret_len, MDL);
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if (status != ISC_R_SUCCESS) {
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omapi_auth_key_dereference (&key, MDL);
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return status;
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}
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memcpy (key -> key -> value, secret, secret_len);
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key -> key -> len = secret_len;
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*h = (dhcpctl_handle) key;
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return ISC_R_SUCCESS;
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}
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/* dhcpctl_new_object
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synchronous - creates a local handle for a host entry.
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returns nonzero status code if the local host entry couldn't
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be created
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stores handle to host through h if successful, and returns zero.
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object_type is a pointer to a NUL-terminated string containing
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the ascii name of the type of object being accessed - e.g., "host" */
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dhcpctl_status dhcpctl_new_object (dhcpctl_handle *h,
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dhcpctl_handle connection,
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const char *object_type)
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{
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dhcpctl_remote_object_t *m;
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omapi_object_t *g;
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isc_result_t status;
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m = (dhcpctl_remote_object_t *)0;
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status = omapi_object_allocate ((omapi_object_t **)&m,
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dhcpctl_remote_type, 0, MDL);
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if (status != ISC_R_SUCCESS)
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return status;
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g = (omapi_object_t *)0;
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status = omapi_generic_new (&g, MDL);
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if (status != ISC_R_SUCCESS) {
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dfree (m, MDL);
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return status;
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}
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status = omapi_object_reference (&m -> inner, g, MDL);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference ((omapi_object_t **)&m, MDL);
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omapi_object_dereference (&g, MDL);
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return status;
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}
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status = omapi_object_reference (&g -> outer,
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(omapi_object_t *)m, MDL);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference ((omapi_object_t **)&m, MDL);
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omapi_object_dereference (&g, MDL);
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return status;
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}
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status = omapi_typed_data_new (MDL, &m -> rtype,
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omapi_datatype_string,
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object_type);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference ((omapi_object_t **)&m, MDL);
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omapi_object_dereference (&g, MDL);
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return status;
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}
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status = omapi_object_reference (h, (omapi_object_t *)m, MDL);
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omapi_object_dereference ((omapi_object_t **)&m, MDL);
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omapi_object_dereference (&g, MDL);
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if (status != ISC_R_SUCCESS)
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return status;
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return status;
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}
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/* asynchronous - just queues the request
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returns nonzero status code if open couldn't be queued
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returns zero if open was queued
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h is a handle to an object created by dhcpctl_new_object
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connection is a connection to a DHCP server
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flags include:
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DHCPCTL_CREATE - if the object doesn't exist, create it
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DHCPCTL_UPDATE - update the object on the server using the
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attached parameters
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DHCPCTL_EXCL - error if the object exists and DHCPCTL_CREATE
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was also specified */
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dhcpctl_status dhcpctl_open_object (dhcpctl_handle h,
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dhcpctl_handle connection,
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int flags)
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{
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isc_result_t status;
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omapi_object_t *message = (omapi_object_t *)0;
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dhcpctl_remote_object_t *remote;
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if (h -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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remote = (dhcpctl_remote_object_t *)h;
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status = omapi_message_new (&message, MDL);
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if (status != ISC_R_SUCCESS)
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return status;
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status = omapi_set_int_value (message, (omapi_object_t *)0,
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"op", OMAPI_OP_OPEN);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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status = omapi_set_object_value (message, (omapi_object_t *)0,
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"object", h);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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if (flags & DHCPCTL_CREATE) {
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status = omapi_set_boolean_value (message, (omapi_object_t *)0,
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"create", 1);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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}
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if (flags & DHCPCTL_UPDATE) {
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status = omapi_set_boolean_value (message, (omapi_object_t *)0,
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"update", 1);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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}
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if (flags & DHCPCTL_EXCL) {
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status = omapi_set_boolean_value (message, (omapi_object_t *)0,
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"exclusive", 1);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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}
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if (remote -> rtype) {
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status = omapi_set_value_str (message, (omapi_object_t *)0,
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"type", remote -> rtype);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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}
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status = omapi_message_register (message);
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if (status != ISC_R_SUCCESS) {
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omapi_object_dereference (&message, MDL);
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return status;
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}
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return omapi_protocol_send_message (connection -> outer,
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(omapi_object_t *)0,
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message, (omapi_object_t *)0);
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}
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/* Callback methods (not meant to be called directly) */
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isc_result_t dhcpctl_remote_set_value (omapi_object_t *h,
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omapi_object_t *id,
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omapi_data_string_t *name,
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omapi_typed_data_t *value)
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{
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dhcpctl_remote_object_t *ro;
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unsigned long rh;
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isc_result_t status;
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if (h -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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ro = (dhcpctl_remote_object_t *)h;
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if (!omapi_ds_strcmp (name, "remote-handle")) {
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status = omapi_get_int_value (&rh, value);
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if (status == ISC_R_SUCCESS)
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ro -> remote_handle = rh;
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return status;
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}
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if (h -> inner && h -> inner -> type -> set_value)
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return (*(h -> inner -> type -> set_value))
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(h -> inner, id, name, value);
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return ISC_R_NOTFOUND;
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}
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isc_result_t dhcpctl_remote_get_value (omapi_object_t *h,
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omapi_object_t *id,
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omapi_data_string_t *name,
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omapi_value_t **value)
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{
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if (h -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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if (h -> inner && h -> inner -> type -> get_value)
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return (*(h -> inner -> type -> get_value))
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(h -> inner, id, name, value);
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return ISC_R_NOTFOUND;
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}
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isc_result_t dhcpctl_remote_signal_handler (omapi_object_t *o,
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const char *name, va_list ap)
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{
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dhcpctl_remote_object_t *p;
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omapi_typed_data_t *tv;
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if (o -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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p = (dhcpctl_remote_object_t *)o;
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if (!strcmp (name, "updated")) {
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p -> waitstatus = ISC_R_SUCCESS;
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return omapi_signal_in (o -> inner, "ready");
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}
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if (!strcmp (name, "status")) {
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p -> waitstatus = va_arg (ap, isc_result_t);
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if (p -> message)
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omapi_typed_data_dereference (&p -> message, MDL);
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tv = va_arg (ap, omapi_typed_data_t *);
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if (tv)
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omapi_typed_data_reference (&p -> message, tv, MDL);
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return omapi_signal_in (o -> inner, "ready");
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}
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if (p -> inner && p -> inner -> type -> signal_handler)
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return (*(p -> inner -> type -> signal_handler))
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(p -> inner, name, ap);
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return ISC_R_SUCCESS;
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}
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isc_result_t dhcpctl_remote_destroy (omapi_object_t *h,
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const char *file, int line)
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{
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dhcpctl_remote_object_t *p;
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if (h -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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p = (dhcpctl_remote_object_t *)h;
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if (p -> handle)
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omapi_object_dereference ((omapi_object_t **)&p -> handle,
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file, line);
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return ISC_R_SUCCESS;
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}
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/* Write all the published values associated with the object through the
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specified connection. */
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isc_result_t dhcpctl_remote_stuff_values (omapi_object_t *c,
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omapi_object_t *id,
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omapi_object_t *p)
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{
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int i;
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if (p -> type != dhcpctl_remote_type)
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return ISC_R_INVALIDARG;
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if (p -> inner && p -> inner -> type -> stuff_values)
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return (*(p -> inner -> type -> stuff_values)) (c, id,
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p -> inner);
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return ISC_R_SUCCESS;
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}
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