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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
*/
/* $Id: ipp.c 146 2006-03-24 00:26:54Z njacobs $ */
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdarg.h>
#include <papi.h>
#include "ipp.h"
/*
* IPP requests/responses are represented as attribute lists. An IPP request
* attribute list will contain header information attributes:
* version-major (int)
* version-minor (int)
* request-id (int)
* operation-id (int)
* It will also contain 1 or more attribute groups (collections)
* operational-attribute-group
* ...
* this routine validates that the request falls within the guidelines of
* the protocol specification (or some other level of conformance if the
* restrictions have been specified at the top level of the request using
* a "conformance" attribute.
*/
papi_status_t
ipp_validate_request(papi_attribute_t **request, papi_attribute_t ***response)
{
papi_attribute_t **attributes = NULL;
papi_status_t result = PAPI_OK;
char *s;
if ((request == NULL) || (response == NULL) || (*response == NULL))
return (PAPI_BAD_ARGUMENT);
/* validate the operational attributes group */
result = papiAttributeListGetCollection(request, NULL,
"operational-attributes-group", &attributes);
if (result != PAPI_OK) {
ipp_set_status(response, result,
"operational attribute group: %s",
papiStatusString(result));
return (result);
}
result = papiAttributeListGetString(attributes, NULL,
"attributes-charset", &s);
if (result != PAPI_OK) {
ipp_set_status(response, result, "attributes-charset: %s",
papiStatusString(result));
return (result);
}
result = papiAttributeListGetString(attributes, NULL,
"attributes-natural-language", &s);
if (result != PAPI_OK) {
ipp_set_status(response, result,
"attributes-natural-language: %s",
papiStatusString(result));
return (result);
}
return (result);
}
/*
* Add/Modify the statuse-code and status-message in an IPP response's
* operational attributes group.
*/
void
ipp_set_status(papi_attribute_t ***message, papi_status_t status,
char *format, ...)
{
if (message == NULL)
return;
if (format != NULL) {
papi_attribute_t **operational = NULL;
papi_attribute_t **saved;
char mesg[256]; /* status-message is type text(255) */
va_list ap;
(void) papiAttributeListGetCollection(*message, NULL,
"operational-attributes-group",
&operational);
saved = operational;
va_start(ap, format);
(void) vsnprintf(mesg, sizeof (mesg), format, ap);
va_end(ap);
(void) papiAttributeListAddString(&operational,
PAPI_ATTR_APPEND, "status-message", mesg);
/*
* We need to check and see if adding the status-message caused
* the operational attributes group to be relocated in memory.
* If it has been, we will need to re-add the collection to
* the message.
*/
if (saved != operational)
(void) papiAttributeListAddCollection(message,
PAPI_ATTR_REPLACE,
"operational-attributes-group",
operational);
}
(void) papiAttributeListAddInteger(message, PAPI_ATTR_APPEND,
"status-code", status);
}
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