/src/netbsd/src/dist/dhcp/dhcpctl/remote.c
C | 366 lines | 255 code | 46 blank | 65 comment | 75 complexity | 2c36d50311a03b890a1cdea637cca509 MD5 | raw file
Possible License(s): CC0-1.0, MIT, LGPL-2.0, LGPL-3.0, WTFPL, GPL-2.0, BSD-2-Clause, AGPL-3.0, CC-BY-SA-3.0, MPL-2.0, JSON, BSD-3-Clause-No-Nuclear-License-2014, LGPL-2.1, CPL-1.0, AGPL-1.0, 0BSD, ISC, Apache-2.0, GPL-3.0, IPL-1.0, MPL-2.0-no-copyleft-exception, BSD-3-Clause
- /* remote.c
- The dhcpctl remote object. */
- /*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Copyright (c) 1999-2003 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>
- * http://www.isc.org/
- *
- * This software has been written for Internet Systems Consortium
- * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
- * To learn more about Internet Systems Consortium, see
- * ``http://www.isc.org/''. To learn more about Vixie Enterprises,
- * see ``http://www.vix.com''. To learn more about Nominum, Inc., see
- * ``http://www.nominum.com''.
- */
- #ifndef lint
- static char copyright[] =
- "$Id: remote.c,v 1.5 2005/08/11 17:13:21 drochner Exp $ Copyright (c) 2004 Internet Systems Consortium. All rights reserved.\n";
- #endif /* not lint */
- #include <omapip/omapip_p.h>
- #include "dhcpctl.h"
- /* dhcpctl_new_authenticator
- synchronous - creates an authenticator object.
- returns nonzero status code if the object couldn't be created
- stores handle to authenticator through h if successful, and returns zero.
- name is the authenticator name (NUL-terminated string).
- algorithm is the NUL-terminated string name of the algorithm to use
- (currently, only "hmac-md5" is supported).
- secret and secret_len is the key secret. */
- dhcpctl_status dhcpctl_new_authenticator (dhcpctl_handle *h,
- const char *name,
- const char *algorithm,
- const unsigned char *secret,
- unsigned secret_len)
- {
- struct auth_key *key = (struct auth_key *)0;
- isc_result_t status;
- status = omapi_auth_key_new (&key, MDL);
- if (status != ISC_R_SUCCESS)
- return status;
- key -> name = dmalloc (strlen (name) + 1, MDL);
- if (!key -> name) {
- omapi_auth_key_dereference (&key, MDL);
- return ISC_R_NOMEMORY;
- }
- strcpy (key -> name, name);
- /* If the algorithm name isn't an FQDN, tack on the
- .SIG-ALG.REG.NET. domain. */
- if (strchr (algorithm, '.') == 0) {
- static char add[] = ".SIG-ALG.REG.INT.";
- key -> algorithm = dmalloc (strlen (algorithm) +
- sizeof (add), MDL);
- if (!key -> algorithm) {
- omapi_auth_key_dereference (&key, MDL);
- return ISC_R_NOMEMORY;
- }
- strcpy (key -> algorithm, algorithm);
- strcat (key -> algorithm, add);
- } else {
- key -> algorithm = dmalloc (strlen (algorithm) + 1, MDL);
- if (!key -> algorithm) {
- omapi_auth_key_dereference (&key, MDL);
- return ISC_R_NOMEMORY;
- }
- strcpy (key -> algorithm, algorithm);
- }
- status = omapi_data_string_new (&key -> key, secret_len, MDL);
- if (status != ISC_R_SUCCESS) {
- omapi_auth_key_dereference (&key, MDL);
- return status;
- }
- memcpy (key -> key -> value, secret, secret_len);
- key -> key -> len = secret_len;
- *h = (dhcpctl_handle) key;
- return ISC_R_SUCCESS;
- }
- /* dhcpctl_new_object
- synchronous - creates a local handle for a host entry.
- returns nonzero status code if the local host entry couldn't
- be created
- stores handle to host through h if successful, and returns zero.
- object_type is a pointer to a NUL-terminated string containing
- the ascii name of the type of object being accessed - e.g., "host" */
- dhcpctl_status dhcpctl_new_object (dhcpctl_handle *h,
- dhcpctl_handle connection,
- const char *object_type)
- {
- dhcpctl_remote_object_t *m;
- omapi_object_t *g;
- isc_result_t status;
- m = (dhcpctl_remote_object_t *)0;
- status = omapi_object_allocate ((void *)&m,
- dhcpctl_remote_type, 0, MDL);
- if (status != ISC_R_SUCCESS)
- return status;
- g = (omapi_object_t *)0;
- status = omapi_generic_new (&g, MDL);
- if (status != ISC_R_SUCCESS) {
- dfree (m, MDL);
- return status;
- }
- status = omapi_object_reference (&m -> inner, g, MDL);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference ((void *)&m, MDL);
- omapi_object_dereference (&g, MDL);
- return status;
- }
- status = omapi_object_reference (&g -> outer,
- (omapi_object_t *)m, MDL);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference ((void *)&m, MDL);
- omapi_object_dereference (&g, MDL);
- return status;
- }
- status = omapi_typed_data_new (MDL, &m -> rtype,
- omapi_datatype_string,
- object_type);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference ((void *)&m, MDL);
- omapi_object_dereference (&g, MDL);
- return status;
- }
- status = omapi_object_reference (h, (omapi_object_t *)m, MDL);
- omapi_object_dereference ((void *)&m, MDL);
- omapi_object_dereference (&g, MDL);
- if (status != ISC_R_SUCCESS)
- return status;
- return status;
- }
- /* asynchronous - just queues the request
- returns nonzero status code if open couldn't be queued
- returns zero if open was queued
- h is a handle to an object created by dhcpctl_new_object
- connection is a connection to a DHCP server
- flags include:
- DHCPCTL_CREATE - if the object doesn't exist, create it
- DHCPCTL_UPDATE - update the object on the server using the
- attached parameters
- DHCPCTL_EXCL - error if the object exists and DHCPCTL_CREATE
- was also specified */
- dhcpctl_status dhcpctl_open_object (dhcpctl_handle h,
- dhcpctl_handle connection,
- int flags)
- {
- isc_result_t status;
- omapi_object_t *message = (omapi_object_t *)0;
- dhcpctl_remote_object_t *remote;
- if (h -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
- remote = (dhcpctl_remote_object_t *)h;
- status = omapi_message_new (&message, MDL);
- if (status != ISC_R_SUCCESS)
- return status;
- status = omapi_set_int_value (message, (omapi_object_t *)0,
- "op", OMAPI_OP_OPEN);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- status = omapi_set_object_value (message, (omapi_object_t *)0,
- "object", h);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- if (flags & DHCPCTL_CREATE) {
- status = omapi_set_boolean_value (message, (omapi_object_t *)0,
- "create", 1);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- }
- if (flags & DHCPCTL_UPDATE) {
- status = omapi_set_boolean_value (message, (omapi_object_t *)0,
- "update", 1);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- }
- if (flags & DHCPCTL_EXCL) {
- status = omapi_set_boolean_value (message, (omapi_object_t *)0,
- "exclusive", 1);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- }
- if (remote -> rtype) {
- status = omapi_set_value_str (message, (omapi_object_t *)0,
- "type", remote -> rtype);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- }
- status = omapi_message_register (message);
- if (status != ISC_R_SUCCESS) {
- omapi_object_dereference (&message, MDL);
- return status;
- }
- status = omapi_protocol_send_message (connection -> outer,
- (omapi_object_t *)0,
- message, (omapi_object_t *)0);
- if (status != ISC_R_SUCCESS)
- omapi_message_unregister (message);
- omapi_object_dereference (&message, MDL);
- return status;
- }
- /* Callback methods (not meant to be called directly) */
- isc_result_t dhcpctl_remote_set_value (omapi_object_t *h,
- omapi_object_t *id,
- omapi_data_string_t *name,
- omapi_typed_data_t *value)
- {
- dhcpctl_remote_object_t *ro;
- unsigned long rh;
- isc_result_t status;
- if (h -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
- ro = (dhcpctl_remote_object_t *)h;
- if (!omapi_ds_strcmp (name, "remote-handle")) {
- status = omapi_get_int_value (&rh, value);
- if (status == ISC_R_SUCCESS)
- ro -> remote_handle = rh;
- return status;
- }
- if (h -> inner && h -> inner -> type -> set_value)
- return (*(h -> inner -> type -> set_value))
- (h -> inner, id, name, value);
- return ISC_R_NOTFOUND;
- }
- isc_result_t dhcpctl_remote_get_value (omapi_object_t *h,
- omapi_object_t *id,
- omapi_data_string_t *name,
- omapi_value_t **value)
- {
- if (h -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
-
- if (h -> inner && h -> inner -> type -> get_value)
- return (*(h -> inner -> type -> get_value))
- (h -> inner, id, name, value);
- return ISC_R_NOTFOUND;
- }
- isc_result_t dhcpctl_remote_signal_handler (omapi_object_t *o,
- const char *name, va_list ap)
- {
- dhcpctl_remote_object_t *p;
- omapi_typed_data_t *tv;
- if (o -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
- p = (dhcpctl_remote_object_t *)o;
- if (!strcmp (name, "updated")) {
- p -> waitstatus = ISC_R_SUCCESS;
- if (o -> inner -> type == omapi_type_generic)
- omapi_generic_clear_flags (o -> inner);
- return omapi_signal_in (o -> inner, "ready");
- }
- if (!strcmp (name, "status")) {
- p -> waitstatus = va_arg (ap, isc_result_t);
- if (p -> message)
- omapi_typed_data_dereference (&p -> message, MDL);
- tv = va_arg (ap, omapi_typed_data_t *);
- if (tv)
- omapi_typed_data_reference (&p -> message, tv, MDL);
- return omapi_signal_in (o -> inner, "ready");
- }
- if (p -> inner && p -> inner -> type -> signal_handler)
- return (*(p -> inner -> type -> signal_handler))
- (p -> inner, name, ap);
- return ISC_R_SUCCESS;
- }
- isc_result_t dhcpctl_remote_destroy (omapi_object_t *h,
- const char *file, int line)
- {
- dhcpctl_remote_object_t *p;
- if (h -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
- p = (dhcpctl_remote_object_t *)h;
- if (p -> handle)
- omapi_object_dereference ((omapi_object_t **)&p -> handle,
- file, line);
- if (p -> rtype)
- omapi_typed_data_dereference ((omapi_typed_data_t **)&p->rtype,
- file, line);
- return ISC_R_SUCCESS;
- }
- /* Write all the published values associated with the object through the
- specified connection. */
- isc_result_t dhcpctl_remote_stuff_values (omapi_object_t *c,
- omapi_object_t *id,
- omapi_object_t *p)
- {
- if (p -> type != dhcpctl_remote_type)
- return ISC_R_INVALIDARG;
- if (p -> inner && p -> inner -> type -> stuff_values)
- return (*(p -> inner -> type -> stuff_values)) (c, id,
- p -> inner);
- return ISC_R_SUCCESS;
- }