589 lines
19 KiB
C
589 lines
19 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <apr_optional.h>
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#include <apr_optional_hooks.h>
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#include <apr_strings.h>
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#include <apr_cstr.h>
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#include <apr_time.h>
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#include <apr_want.h>
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#include <httpd.h>
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#include <http_protocol.h>
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#include <http_request.h>
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#include <http_log.h>
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#include "mod_h2test.h"
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static void h2test_hooks(apr_pool_t *pool);
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AP_DECLARE_MODULE(h2test) = {
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STANDARD20_MODULE_STUFF,
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NULL, /* func to create per dir config */
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NULL, /* func to merge per dir config */
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NULL, /* func to create per server config */
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NULL, /* func to merge per server config */
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NULL, /* command handlers */
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h2test_hooks,
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#if defined(AP_MODULE_FLAG_NONE)
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AP_MODULE_FLAG_ALWAYS_MERGE
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#endif
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};
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#define SECS_PER_HOUR (60*60)
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#define SECS_PER_DAY (24*SECS_PER_HOUR)
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static apr_status_t duration_parse(apr_interval_time_t *ptimeout, const char *value,
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const char *def_unit)
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{
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char *endp;
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apr_int64_t n;
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n = apr_strtoi64(value, &endp, 10);
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if (errno) {
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return errno;
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}
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if (!endp || !*endp) {
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if (!def_unit) def_unit = "s";
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}
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else if (endp == value) {
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return APR_EINVAL;
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}
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else {
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def_unit = endp;
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}
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switch (*def_unit) {
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case 'D':
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case 'd':
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*ptimeout = apr_time_from_sec(n * SECS_PER_DAY);
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break;
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case 's':
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case 'S':
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*ptimeout = (apr_interval_time_t) apr_time_from_sec(n);
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break;
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case 'h':
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case 'H':
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/* Time is in hours */
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*ptimeout = (apr_interval_time_t) apr_time_from_sec(n * SECS_PER_HOUR);
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break;
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case 'm':
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case 'M':
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switch (*(++def_unit)) {
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/* Time is in milliseconds */
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case 's':
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case 'S':
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*ptimeout = (apr_interval_time_t) n * 1000;
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break;
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/* Time is in minutes */
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case 'i':
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case 'I':
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*ptimeout = (apr_interval_time_t) apr_time_from_sec(n * 60);
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break;
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default:
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return APR_EGENERAL;
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}
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break;
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default:
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return APR_EGENERAL;
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}
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return APR_SUCCESS;
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}
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static int h2test_post_config(apr_pool_t *p, apr_pool_t *plog,
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apr_pool_t *ptemp, server_rec *s)
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{
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void *data = NULL;
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const char *mod_h2_init_key = "mod_h2test_init_counter";
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(void)plog;(void)ptemp;
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apr_pool_userdata_get(&data, mod_h2_init_key, s->process->pool);
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if ( data == NULL ) {
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/* dry run */
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apr_pool_userdata_set((const void *)1, mod_h2_init_key,
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apr_pool_cleanup_null, s->process->pool);
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return APR_SUCCESS;
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}
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return APR_SUCCESS;
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}
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static void h2test_child_init(apr_pool_t *pool, server_rec *s)
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{
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(void)pool;
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(void)s;
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}
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static int h2test_echo_handler(request_rec *r)
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{
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conn_rec *c = r->connection;
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apr_bucket_brigade *bb;
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apr_bucket *b;
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apr_status_t rv;
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char buffer[8192];
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const char *ct;
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long l;
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int i;
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apr_time_t chunk_delay = 0;
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apr_array_header_t *args = NULL;
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apr_size_t blen, fail_after = 0;
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int fail_requested = 0, error_bucket = 1;
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if (strcmp(r->handler, "h2test-echo")) {
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return DECLINED;
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}
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if (r->method_number != M_GET && r->method_number != M_POST) {
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return DECLINED;
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}
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if(r->args) {
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args = apr_cstr_split(r->args, "&", 1, r->pool);
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for(i = 0; i < args->nelts; ++i) {
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char *s, *val, *arg = APR_ARRAY_IDX(args, i, char*);
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s = strchr(arg, '=');
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if(s) {
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*s = '\0';
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val = s + 1;
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if(!strcmp("id", arg)) {
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/* accepted, but not processed */
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continue;
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}
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else if(!strcmp("chunk_delay", arg)) {
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rv = duration_parse(&chunk_delay, val, "s");
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if(APR_SUCCESS == rv) {
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continue;
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}
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}
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else if(!strcmp("fail_after", arg)) {
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fail_after = (int)apr_atoi64(val);
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if(fail_after >= 0) {
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fail_requested = 1;
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continue;
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}
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}
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}
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ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "query parameter not "
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"understood: '%s' in %s",
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arg, r->args);
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ap_die(HTTP_BAD_REQUEST, r);
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return OK;
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}
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}
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "echo_handler: processing request");
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r->status = 200;
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r->clength = -1;
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r->chunked = 1;
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apr_table_unset(r->headers_out, "Content-Length");
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/* Discourage content-encodings */
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apr_table_unset(r->headers_out, "Content-Encoding");
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apr_table_setn(r->subprocess_env, "no-brotli", "1");
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apr_table_setn(r->subprocess_env, "no-gzip", "1");
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ct = apr_table_get(r->headers_in, "content-type");
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ap_set_content_type(r, ct? ct : "application/octet-stream");
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bb = apr_brigade_create(r->pool, c->bucket_alloc);
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/* copy any request body into the response */
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if ((rv = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK))) goto cleanup;
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if (ap_should_client_block(r)) {
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while (0 < (l = ap_get_client_block(r, &buffer[0], sizeof(buffer)))) {
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
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"echo_handler: copying %ld bytes from request body", l);
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blen = (apr_size_t)l;
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if (fail_requested) {
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if (blen > fail_after) {
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blen = fail_after;
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}
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fail_after -= blen;
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}
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rv = apr_brigade_write(bb, NULL, NULL, buffer, blen);
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if (APR_SUCCESS != rv) goto cleanup;
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if (chunk_delay) {
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apr_sleep(chunk_delay);
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}
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rv = ap_pass_brigade(r->output_filters, bb);
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if (APR_SUCCESS != rv) goto cleanup;
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
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"echo_handler: passed %ld bytes from request body", l);
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if (fail_requested && fail_after == 0) {
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rv = APR_EINVAL;
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goto cleanup;
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}
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}
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}
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/* we are done */
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b = apr_bucket_eos_create(c->bucket_alloc);
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APR_BRIGADE_INSERT_TAIL(bb, b);
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "echo_handler: request read");
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if (r->trailers_in && !apr_is_empty_table(r->trailers_in)) {
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ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, r,
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"echo_handler: seeing incoming trailers");
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apr_table_setn(r->trailers_out, "h2test-trailers-in",
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apr_itoa(r->pool, 1));
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}
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rv = ap_pass_brigade(r->output_filters, bb);
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cleanup:
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if (rv == APR_SUCCESS
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|| r->status != HTTP_OK
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|| c->aborted) {
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r, "echo_handler: request handled");
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return OK;
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}
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else if (error_bucket) {
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int status = ap_map_http_request_error(rv, HTTP_BAD_REQUEST);
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b = ap_bucket_error_create(status, NULL, r->pool, c->bucket_alloc);
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APR_BRIGADE_INSERT_TAIL(bb, b);
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ap_pass_brigade(r->output_filters, bb);
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}
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else {
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/* no way to know what type of error occurred */
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r, "h2test_echo_handler failed");
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return AP_FILTER_ERROR;
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}
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return DECLINED;
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}
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static int h2test_delay_handler(request_rec *r)
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{
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conn_rec *c = r->connection;
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apr_bucket_brigade *bb;
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apr_bucket *b;
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apr_status_t rv;
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char buffer[8192];
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int i, chunks = 3;
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long l;
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apr_time_t delay = 0;
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if (strcmp(r->handler, "h2test-delay")) {
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return DECLINED;
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}
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if (r->method_number != M_GET && r->method_number != M_POST) {
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return DECLINED;
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}
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if (r->args) {
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rv = duration_parse(&delay, r->args, "s");
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if (APR_SUCCESS != rv) {
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ap_die(HTTP_BAD_REQUEST, r);
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return OK;
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}
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}
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "delay_handler: processing request, %ds delay",
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(int)apr_time_sec(delay));
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r->status = 200;
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r->clength = -1;
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r->chunked = 1;
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apr_table_unset(r->headers_out, "Content-Length");
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/* Discourage content-encodings */
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apr_table_unset(r->headers_out, "Content-Encoding");
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apr_table_setn(r->subprocess_env, "no-brotli", "1");
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apr_table_setn(r->subprocess_env, "no-gzip", "1");
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ap_set_content_type(r, "application/octet-stream");
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bb = apr_brigade_create(r->pool, c->bucket_alloc);
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/* copy any request body into the response */
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if ((rv = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK))) goto cleanup;
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if (ap_should_client_block(r)) {
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do {
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l = ap_get_client_block(r, &buffer[0], sizeof(buffer));
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if (l > 0) {
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
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"delay_handler: reading %ld bytes from request body", l);
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}
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} while (l > 0);
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if (l < 0) {
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return AP_FILTER_ERROR;
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}
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}
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memset(buffer, 0, sizeof(buffer));
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l = sizeof(buffer);
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for (i = 0; i < chunks; ++i) {
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rv = apr_brigade_write(bb, NULL, NULL, buffer, l);
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if (APR_SUCCESS != rv) goto cleanup;
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rv = ap_pass_brigade(r->output_filters, bb);
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if (APR_SUCCESS != rv) goto cleanup;
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
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"delay_handler: passed %ld bytes as response body", l);
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if (delay) {
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apr_sleep(delay);
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}
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}
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/* we are done */
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b = apr_bucket_eos_create(c->bucket_alloc);
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APR_BRIGADE_INSERT_TAIL(bb, b);
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rv = ap_pass_brigade(r->output_filters, bb);
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apr_brigade_cleanup(bb);
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r, "delay_handler: response passed");
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cleanup:
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r,
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"delay_handler: request cleanup, r->status=%d, aborte=%d",
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r->status, c->aborted);
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if (rv == APR_SUCCESS
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|| r->status != HTTP_OK
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|| c->aborted) {
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return OK;
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}
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return AP_FILTER_ERROR;
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}
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static int h2test_trailer_handler(request_rec *r)
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{
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conn_rec *c = r->connection;
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apr_bucket_brigade *bb;
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apr_bucket *b;
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apr_status_t rv;
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char buffer[8192];
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long l;
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int body_len = 0;
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if (strcmp(r->handler, "h2test-trailer")) {
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return DECLINED;
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}
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if (r->method_number != M_GET && r->method_number != M_POST) {
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return DECLINED;
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}
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if (r->args) {
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body_len = (int)apr_atoi64(r->args);
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if (body_len < 0) body_len = 0;
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}
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "trailer_handler: processing request, %d body length",
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body_len);
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r->status = 200;
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r->clength = body_len;
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ap_set_content_length(r, body_len);
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ap_set_content_type(r, "application/octet-stream");
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apr_table_mergen(r->headers_out, "Trailer", "trailer-content-length");
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apr_table_set(r->trailers_out, "trailer-content-length",
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apr_psprintf(r->pool, "%d", body_len));
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bb = apr_brigade_create(r->pool, c->bucket_alloc);
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memset(buffer, 0, sizeof(buffer));
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while (body_len > 0) {
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l = (sizeof(buffer) > body_len)? body_len : sizeof(buffer);
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body_len -= l;
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rv = apr_brigade_write(bb, NULL, NULL, buffer, l);
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if (APR_SUCCESS != rv) goto cleanup;
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rv = ap_pass_brigade(r->output_filters, bb);
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if (APR_SUCCESS != rv) goto cleanup;
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
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"trailer_handler: passed %ld bytes as response body", l);
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}
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/* we are done */
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b = apr_bucket_eos_create(c->bucket_alloc);
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APR_BRIGADE_INSERT_TAIL(bb, b);
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rv = ap_pass_brigade(r->output_filters, bb);
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apr_brigade_cleanup(bb);
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r, "trailer_handler: response passed");
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cleanup:
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ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r,
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"trailer_handler: request cleanup, r->status=%d, aborte=%d",
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r->status, c->aborted);
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if (rv == APR_SUCCESS
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|| r->status != HTTP_OK
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|| c->aborted) {
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return OK;
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}
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return AP_FILTER_ERROR;
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}
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static int status_from_str(const char *s, apr_status_t *pstatus)
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{
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if (!strcmp("timeout", s)) {
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*pstatus = APR_TIMEUP;
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return 1;
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}
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else if (!strcmp("reset", s)) {
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*pstatus = APR_ECONNRESET;
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return 1;
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}
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return 0;
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}
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static int h2test_error_handler(request_rec *r)
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{
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conn_rec *c = r->connection;
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apr_bucket_brigade *bb;
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apr_bucket *b;
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apr_status_t rv;
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char buffer[8192];
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int i, chunks = 3, error_bucket = 1;
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long l;
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apr_time_t delay = 0, body_delay = 0;
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apr_array_header_t *args = NULL;
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int http_status = 200;
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apr_status_t error = APR_SUCCESS, body_error = APR_SUCCESS;
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if (strcmp(r->handler, "h2test-error")) {
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return DECLINED;
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}
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if (r->method_number != M_GET && r->method_number != M_POST) {
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return DECLINED;
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}
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if (r->args) {
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args = apr_cstr_split(r->args, "&", 1, r->pool);
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for (i = 0; i < args->nelts; ++i) {
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char *s, *val, *arg = APR_ARRAY_IDX(args, i, char*);
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s = strchr(arg, '=');
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if (s) {
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*s = '\0';
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val = s + 1;
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if (!strcmp("status", arg)) {
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http_status = (int)apr_atoi64(val);
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if (val > 0) {
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continue;
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}
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}
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else if (!strcmp("error", arg)) {
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if (status_from_str(val, &error)) {
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continue;
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}
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}
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else if (!strcmp("error_bucket", arg)) {
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error_bucket = (int)apr_atoi64(val);
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if (val >= 0) {
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continue;
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}
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}
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else if (!strcmp("body_error", arg)) {
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if (status_from_str(val, &body_error)) {
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continue;
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}
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}
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else if (!strcmp("delay", arg)) {
|
|
rv = duration_parse(&delay, val, "s");
|
|
if (APR_SUCCESS == rv) {
|
|
continue;
|
|
}
|
|
}
|
|
else if (!strcmp("body_delay", arg)) {
|
|
rv = duration_parse(&body_delay, val, "s");
|
|
if (APR_SUCCESS == rv) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "error_handler: "
|
|
"did not understand '%s'", arg);
|
|
ap_die(HTTP_BAD_REQUEST, r);
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "error_handler: processing request, %s",
|
|
r->args? r->args : "(no args)");
|
|
r->status = http_status;
|
|
r->clength = -1;
|
|
r->chunked = 1;
|
|
apr_table_unset(r->headers_out, "Content-Length");
|
|
/* Discourage content-encodings */
|
|
apr_table_unset(r->headers_out, "Content-Encoding");
|
|
apr_table_setn(r->subprocess_env, "no-brotli", "1");
|
|
apr_table_setn(r->subprocess_env, "no-gzip", "1");
|
|
|
|
ap_set_content_type(r, "application/octet-stream");
|
|
bb = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
|
|
if (delay) {
|
|
apr_sleep(delay);
|
|
}
|
|
if (error != APR_SUCCESS) {
|
|
return ap_map_http_request_error(error, HTTP_BAD_REQUEST);
|
|
}
|
|
/* flush response */
|
|
b = apr_bucket_flush_create(c->bucket_alloc);
|
|
APR_BRIGADE_INSERT_TAIL(bb, b);
|
|
rv = ap_pass_brigade(r->output_filters, bb);
|
|
if (APR_SUCCESS != rv) goto cleanup;
|
|
|
|
memset(buffer, 'X', sizeof(buffer));
|
|
l = sizeof(buffer);
|
|
for (i = 0; i < chunks; ++i) {
|
|
if (body_delay) {
|
|
apr_sleep(body_delay);
|
|
}
|
|
rv = apr_brigade_write(bb, NULL, NULL, buffer, l);
|
|
if (APR_SUCCESS != rv) goto cleanup;
|
|
rv = ap_pass_brigade(r->output_filters, bb);
|
|
if (APR_SUCCESS != rv) goto cleanup;
|
|
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
|
|
"error_handler: passed %ld bytes as response body", l);
|
|
if (body_error != APR_SUCCESS) {
|
|
rv = body_error;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
/* we are done */
|
|
b = apr_bucket_eos_create(c->bucket_alloc);
|
|
APR_BRIGADE_INSERT_TAIL(bb, b);
|
|
rv = ap_pass_brigade(r->output_filters, bb);
|
|
apr_brigade_cleanup(bb);
|
|
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r, "error_handler: response passed");
|
|
|
|
cleanup:
|
|
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, rv, r,
|
|
"error_handler: request cleanup, r->status=%d, aborted=%d",
|
|
r->status, c->aborted);
|
|
if (rv == APR_SUCCESS) {
|
|
return OK;
|
|
}
|
|
if (error_bucket) {
|
|
http_status = ap_map_http_request_error(rv, HTTP_BAD_REQUEST);
|
|
b = ap_bucket_error_create(http_status, NULL, r->pool, c->bucket_alloc);
|
|
APR_BRIGADE_INSERT_TAIL(bb, b);
|
|
ap_pass_brigade(r->output_filters, bb);
|
|
}
|
|
return AP_FILTER_ERROR;
|
|
}
|
|
|
|
/* Install this module into the apache2 infrastructure.
|
|
*/
|
|
static void h2test_hooks(apr_pool_t *pool)
|
|
{
|
|
static const char *const mod_h2[] = { "mod_h2.c", NULL};
|
|
|
|
ap_log_perror(APLOG_MARK, APLOG_TRACE1, 0, pool, "installing hooks and handlers");
|
|
|
|
/* Run once after configuration is set, but before mpm children initialize.
|
|
*/
|
|
ap_hook_post_config(h2test_post_config, mod_h2, NULL, APR_HOOK_MIDDLE);
|
|
|
|
/* Run once after a child process has been created.
|
|
*/
|
|
ap_hook_child_init(h2test_child_init, NULL, NULL, APR_HOOK_MIDDLE);
|
|
|
|
/* test h2 handlers */
|
|
ap_hook_handler(h2test_echo_handler, NULL, NULL, APR_HOOK_MIDDLE);
|
|
ap_hook_handler(h2test_delay_handler, NULL, NULL, APR_HOOK_MIDDLE);
|
|
ap_hook_handler(h2test_trailer_handler, NULL, NULL, APR_HOOK_MIDDLE);
|
|
ap_hook_handler(h2test_error_handler, NULL, NULL, APR_HOOK_MIDDLE);
|
|
}
|
|
|