/* Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include "ap_config.h"

#if APR_CHARSET_EBCDIC

#include "apr_strings.h"

#include "httpd.h"

#include "http_log.h"

#include "http_core.h"

#include "util_ebcdic.h"

/* we know core's module_index is 0 */

#undef APLOG_MODULE_INDEX

#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX

apr_status_t ap_init_ebcdic(apr_pool_t *pool)

{

    apr_status_t rv;

    rv = apr_xlate_open(&ap_hdrs_to_ascii, "ISO-8859-1", APR_DEFAULT_CHARSET, pool);

    if (rv) {

        ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, APLOGNO(00040)

                     "apr_xlate_open() failed");

        return rv;

    }

    rv = apr_xlate_open(&ap_hdrs_from_ascii, APR_DEFAULT_CHARSET, "ISO-8859-1", pool);

    if (rv) {

        ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, APLOGNO(00041)

                     "apr_xlate_open() failed");

        return rv;

    }

    rv = apr_MD5InitEBCDIC(ap_hdrs_to_ascii);

    if (rv) {

        ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, APLOGNO(00042)

                     "apr_MD5InitEBCDIC() failed");

        return rv;

    }

    rv = apr_base64init_ebcdic(ap_hdrs_to_ascii, ap_hdrs_from_ascii);

    if (rv) {

        ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, APLOGNO(00043)

                     "apr_base64init_ebcdic() failed");

        return rv;

    }

    rv = apr_SHA1InitEBCDIC(ap_hdrs_to_ascii);

    if (rv) {

        ap_log_error(APLOG_MARK, APLOG_ERR, rv, NULL, APLOGNO(00044)

                     "apr_SHA1InitEBCDIC() failed");

        return rv;

    }

    return APR_SUCCESS;

}

void ap_xlate_proto_to_ascii(char *buffer, apr_size_t len)

{

    apr_size_t inbytes_left, outbytes_left;

    inbytes_left = outbytes_left = len;

    apr_xlate_conv_buffer(ap_hdrs_to_ascii, buffer, &inbytes_left,

                          buffer, &outbytes_left);

}

void ap_xlate_proto_from_ascii(char *buffer, apr_size_t len)

{

    apr_size_t inbytes_left, outbytes_left;

    inbytes_left = outbytes_left = len;

    apr_xlate_conv_buffer(ap_hdrs_from_ascii, buffer, &inbytes_left,

                          buffer, &outbytes_left);

}

int ap_rvputs_proto_in_ascii(request_rec *r, ...)

{

    va_list va;

    const char *s;

    char *ascii_s;

    apr_size_t len;

    apr_size_t written = 0;

    va_start(va, r);

    while (1) {

        s = va_arg(va, const char *);

        if (s == NULL)

            break;

        len = strlen(s);

        ascii_s = apr_pstrmemdup(r->pool, s, len);

        ap_xlate_proto_to_ascii(ascii_s, len);

        if (ap_rputs(ascii_s, r) < 0) {

            va_end(va);

            return -1;

        }

        written += len;

    }

    va_end(va);

    return written;

}

#endif /* APR_CHARSET_EBCDIC */