/* ccapi/common/cci_message.c */
/*
* Copyright 2006 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "cci_common.h"
/* ------------------------------------------------------------------------ */
cc_int32 cci_message_invalid_object_err (enum cci_msg_id_t in_request_name)
{
cc_int32 err = ccNoError;
if (in_request_name > cci_context_first_msg_id &&
in_request_name < cci_context_last_msg_id) {
err = ccErrInvalidContext;
} else if (in_request_name > cci_ccache_first_msg_id &&
in_request_name < cci_ccache_last_msg_id) {
err = ccErrInvalidCCache;
} else if (in_request_name > cci_ccache_iterator_first_msg_id &&
in_request_name < cci_ccache_iterator_last_msg_id) {
err = ccErrInvalidCCacheIterator;
} else if (in_request_name > cci_credentials_iterator_first_msg_id &&
in_request_name < cci_credentials_iterator_last_msg_id) {
err = ccErrInvalidCredentialsIterator;
} else {
err = ccErrBadInternalMessage;
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_message_new_request_header (k5_ipc_stream *out_request,
enum cci_msg_id_t in_request_name,
cci_identifier_t in_identifier)
{
cc_int32 err = ccNoError;
k5_ipc_stream request = NULL;
if (!out_request) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_new (&request);
}
if (!err) {
err = krb5int_ipc_stream_write_uint32 (request, in_request_name);
}
if (!err) {
err = cci_identifier_write (in_identifier, request);
}
if (!err) {
*out_request = request;
request = NULL;
}
krb5int_ipc_stream_release (request);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_message_read_request_header (k5_ipc_stream in_request,
enum cci_msg_id_t *out_request_name,
cci_identifier_t *out_identifier)
{
cc_int32 err = ccNoError;
cc_uint32 request_name;
cci_identifier_t identifier = NULL;
if (!in_request ) { err = cci_check_error (ccErrBadParam); }
if (!out_request_name) { err = cci_check_error (ccErrBadParam); }
if (!out_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_read_uint32 (in_request, &request_name);
}
if (!err) {
err = cci_identifier_read (&identifier, in_request);
}
if (!err) {
*out_request_name = request_name;
*out_identifier = identifier;
identifier = NULL; /* take ownership */
}
cci_identifier_release (identifier);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_message_new_reply_header (k5_ipc_stream *out_reply,
cc_int32 in_error)
{
cc_int32 err = ccNoError;
k5_ipc_stream reply = NULL;
if (!out_reply) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_new (&reply);
}
if (!err) {
err = krb5int_ipc_stream_write_int32 (reply, in_error);
}
if (!err) {
*out_reply = reply;
reply = NULL;
}
krb5int_ipc_stream_release (reply);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_message_read_reply_header (k5_ipc_stream in_reply,
cc_int32 *out_reply_error)
{
cc_int32 err = ccNoError;
cc_int32 reply_err = 0;
if (!in_reply ) { err = cci_check_error (ccErrBadParam); }
if (!out_reply_error) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_read_int32 (in_reply, &reply_err);
}
if (!err) {
*out_reply_error = reply_err;
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
uint32_t krb5int_ipc_stream_read_time (k5_ipc_stream io_stream,
cc_time_t *out_time)
{
int32_t err = 0;
int64_t t = 0;
if (!io_stream) { err = cci_check_error (ccErrBadParam); }
if (!out_time ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_read_int64 (io_stream, &t);
}
if (!err) {
*out_time = t;
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
uint32_t krb5int_ipc_stream_write_time (k5_ipc_stream io_stream,
cc_time_t in_time)
{
int32_t err = 0;
if (!io_stream) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_write_int64 (io_stream, in_time);
}
return cci_check_error (err);
}