freebsd-dev/contrib/isc-dhcp/omapip/auth.c
2002-02-19 11:04:34 +00:00

274 lines
7.9 KiB
C

/* auth.c
Subroutines having to do with authentication. */
/*
* Copyright (c) 1998-2001 Internet Software Consortium.
* All rights reserved.
*
* 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.
* 3. Neither the name of The Internet Software Consortium nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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.
*
* This software has been written for the Internet Software Consortium
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
* To learn more about the Internet Software 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 ocopyright[] =
"$Id: auth.c,v 1.3.2.3 2001/10/17 03:27:56 mellon Exp $ Copyright 1998-2000 The Internet Software Consortium.";
#endif
#include <omapip/omapip_p.h>
OMAPI_OBJECT_ALLOC (omapi_auth_key, omapi_auth_key_t, omapi_type_auth_key)
typedef struct hash omapi_auth_hash_t;
HASH_FUNCTIONS_DECL (omapi_auth_key, const char *,
omapi_auth_key_t, omapi_auth_hash_t)
omapi_auth_hash_t *auth_key_hash;
HASH_FUNCTIONS (omapi_auth_key, const char *, omapi_auth_key_t,
omapi_auth_hash_t,
omapi_auth_key_reference, omapi_auth_key_dereference)
isc_result_t omapi_auth_key_new (omapi_auth_key_t **o, const char *file,
int line)
{
return omapi_auth_key_allocate (o, file, line);
}
isc_result_t omapi_auth_key_destroy (omapi_object_t *h,
const char *file, int line)
{
omapi_auth_key_t *a;
if (h -> type != omapi_type_auth_key)
return ISC_R_INVALIDARG;
a = (omapi_auth_key_t *)h;
if (auth_key_hash)
omapi_auth_key_hash_delete (auth_key_hash, a -> name, 0, MDL);
if (a -> name)
dfree (a -> name, MDL);
if (a -> algorithm)
dfree (a -> algorithm, MDL);
if (a -> key)
omapi_data_string_dereference (&a -> key, MDL);
return ISC_R_SUCCESS;
}
isc_result_t omapi_auth_key_enter (omapi_auth_key_t *a)
{
omapi_auth_key_t *tk;
if (a -> type != omapi_type_auth_key)
return ISC_R_INVALIDARG;
tk = (omapi_auth_key_t *)0;
if (auth_key_hash) {
omapi_auth_key_hash_lookup (&tk, auth_key_hash,
a -> name, 0, MDL);
if (tk == a) {
omapi_auth_key_dereference (&tk, MDL);
return ISC_R_SUCCESS;
}
if (tk) {
omapi_auth_key_hash_delete (auth_key_hash,
tk -> name, 0, MDL);
omapi_auth_key_dereference (&tk, MDL);
}
} else {
if (!omapi_auth_key_new_hash (&auth_key_hash, 1, MDL))
return ISC_R_NOMEMORY;
}
omapi_auth_key_hash_add (auth_key_hash, a -> name, 0, a, MDL);
return ISC_R_SUCCESS;
}
isc_result_t omapi_auth_key_lookup_name (omapi_auth_key_t **a,
const char *name)
{
if (!auth_key_hash)
return ISC_R_NOTFOUND;
if (!omapi_auth_key_hash_lookup (a, auth_key_hash, name, 0, MDL))
return ISC_R_NOTFOUND;
return ISC_R_SUCCESS;
}
isc_result_t omapi_auth_key_lookup (omapi_object_t **h,
omapi_object_t *id,
omapi_object_t *ref)
{
isc_result_t status;
omapi_value_t *name = (omapi_value_t *)0;
omapi_value_t *algorithm = (omapi_value_t *)0;
if (!auth_key_hash)
return ISC_R_NOTFOUND;
if (!ref)
return ISC_R_NOKEYS;
status = omapi_get_value_str (ref, id, "name", &name);
if (status != ISC_R_SUCCESS)
return status;
if ((name -> value -> type != omapi_datatype_string) &&
(name -> value -> type != omapi_datatype_data)) {
omapi_value_dereference (&name, MDL);
return ISC_R_NOTFOUND;
}
status = omapi_get_value_str (ref, id, "algorithm", &algorithm);
if (status != ISC_R_SUCCESS) {
omapi_value_dereference (&name, MDL);
return status;
}
if ((algorithm -> value -> type != omapi_datatype_string) &&
(algorithm -> value -> type != omapi_datatype_data)) {
omapi_value_dereference (&name, MDL);
omapi_value_dereference (&algorithm, MDL);
return ISC_R_NOTFOUND;
}
if (!omapi_auth_key_hash_lookup ((omapi_auth_key_t **)h, auth_key_hash,
(const char *)
name -> value -> u.buffer.value,
name -> value -> u.buffer.len, MDL)) {
omapi_value_dereference (&name, MDL);
omapi_value_dereference (&algorithm, MDL);
return ISC_R_NOTFOUND;
}
if (omapi_td_strcasecmp (algorithm -> value,
((omapi_auth_key_t *)*h) -> algorithm) != 0) {
omapi_value_dereference (&name, MDL);
omapi_value_dereference (&algorithm, MDL);
omapi_object_dereference (h, MDL);
return ISC_R_NOTFOUND;
}
omapi_value_dereference (&name, MDL);
omapi_value_dereference (&algorithm, MDL);
return ISC_R_SUCCESS;
}
isc_result_t omapi_auth_key_stuff_values (omapi_object_t *c,
omapi_object_t *id,
omapi_object_t *h)
{
omapi_auth_key_t *a;
isc_result_t status;
if (h -> type != omapi_type_auth_key)
return ISC_R_INVALIDARG;
a = (omapi_auth_key_t *)h;
/* Write only the name and algorithm -- not the secret! */
if (a -> name) {
status = omapi_connection_put_name (c, "name");
if (status != ISC_R_SUCCESS)
return status;
status = omapi_connection_put_string (c, a -> name);
if (status != ISC_R_SUCCESS)
return status;
}
if (a -> algorithm) {
status = omapi_connection_put_name (c, "algorithm");
if (status != ISC_R_SUCCESS)
return status;
status = omapi_connection_put_string (c, a -> algorithm);
if (status != ISC_R_SUCCESS)
return status;
}
return ISC_R_SUCCESS;
}
isc_result_t omapi_auth_key_get_value (omapi_object_t *h,
omapi_object_t *id,
omapi_data_string_t *name,
omapi_value_t **value)
{
omapi_auth_key_t *a;
isc_result_t status;
if (h -> type != omapi_type_auth_key)
return ISC_R_UNEXPECTED;
a = (omapi_auth_key_t *)h;
if (omapi_ds_strcmp (name, "name") == 0) {
if (a -> name)
return omapi_make_string_value
(value, name, a -> name, MDL);
else
return ISC_R_NOTFOUND;
} else if (omapi_ds_strcmp (name, "key") == 0) {
if (a -> key) {
status = omapi_value_new (value, MDL);
if (status != ISC_R_SUCCESS)
return status;
status = omapi_data_string_reference
(&(*value) -> name, name, MDL);
if (status != ISC_R_SUCCESS) {
omapi_value_dereference (value, MDL);
return status;
}
status = omapi_typed_data_new (MDL, &(*value) -> value,
omapi_datatype_data,
a -> key -> len);
if (status != ISC_R_SUCCESS) {
omapi_value_dereference (value, MDL);
return status;
}
memcpy ((*value) -> value -> u.buffer.value,
a -> key -> value, a -> key -> len);
return ISC_R_SUCCESS;
} else
return ISC_R_NOTFOUND;
} else if (omapi_ds_strcmp (name, "algorithm") == 0) {
if (a -> algorithm)
return omapi_make_string_value
(value, name, a -> algorithm, MDL);
else
return ISC_R_NOTFOUND;
}
return ISC_R_SUCCESS;
}