|
Packit |
90a5c9 |
/* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
Packit |
90a5c9 |
* contributor license agreements. See the NOTICE file distributed with
|
|
Packit |
90a5c9 |
* this work for additional information regarding copyright ownership.
|
|
Packit |
90a5c9 |
* The ASF licenses this file to You under the Apache License, Version 2.0
|
|
Packit |
90a5c9 |
* (the "License"); you may not use this file except in compliance with
|
|
Packit |
90a5c9 |
* the License. You may obtain a copy of the License at
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* http://www.apache.org/licenses/LICENSE-2.0
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Unless required by applicable law or agreed to in writing, software
|
|
Packit |
90a5c9 |
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
Packit |
90a5c9 |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
Packit |
90a5c9 |
* See the License for the specific language governing permissions and
|
|
Packit |
90a5c9 |
* limitations under the License.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* protocol.c --- routines which directly communicate with the client.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Code originally by Rob McCool; much redone by Robert S. Thau
|
|
Packit |
90a5c9 |
* and the Apache Software Foundation.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#include "apr.h"
|
|
Packit |
90a5c9 |
#include "apr_strings.h"
|
|
Packit |
90a5c9 |
#include "apr_buckets.h"
|
|
Packit |
90a5c9 |
#include "apr_lib.h"
|
|
Packit |
90a5c9 |
#include "apr_signal.h"
|
|
Packit |
90a5c9 |
#include "apr_strmatch.h"
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#define APR_WANT_STDIO /* for sscanf */
|
|
Packit |
90a5c9 |
#define APR_WANT_STRFUNC
|
|
Packit |
90a5c9 |
#define APR_WANT_MEMFUNC
|
|
Packit |
90a5c9 |
#include "apr_want.h"
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#include "util_filter.h"
|
|
Packit |
90a5c9 |
#include "ap_config.h"
|
|
Packit |
90a5c9 |
#include "httpd.h"
|
|
Packit |
90a5c9 |
#include "http_config.h"
|
|
Packit |
90a5c9 |
#include "http_core.h"
|
|
Packit |
90a5c9 |
#include "http_protocol.h"
|
|
Packit |
90a5c9 |
#include "http_main.h"
|
|
Packit |
90a5c9 |
#include "http_request.h"
|
|
Packit |
90a5c9 |
#include "http_vhost.h"
|
|
Packit |
90a5c9 |
#include "http_log.h" /* For errors detected in basic auth common
|
|
Packit |
90a5c9 |
* support code... */
|
|
Packit |
90a5c9 |
#include "mod_core.h"
|
|
Packit |
90a5c9 |
#include "util_charset.h"
|
|
Packit |
90a5c9 |
#include "util_ebcdic.h"
|
|
Packit |
90a5c9 |
#include "scoreboard.h"
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#if APR_HAVE_STDARG_H
|
|
Packit |
90a5c9 |
#include <stdarg.h>
|
|
Packit |
90a5c9 |
#endif
|
|
Packit |
90a5c9 |
#if APR_HAVE_UNISTD_H
|
|
Packit |
90a5c9 |
#include <unistd.h>
|
|
Packit |
90a5c9 |
#endif
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* we know core's module_index is 0 */
|
|
Packit |
90a5c9 |
#undef APLOG_MODULE_INDEX
|
|
Packit |
90a5c9 |
#define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
APR_HOOK_STRUCT(
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(pre_read_request)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(post_read_request)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(log_transaction)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(http_scheme)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(default_port)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(note_auth_failure)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(protocol_propose)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(protocol_switch)
|
|
Packit |
90a5c9 |
APR_HOOK_LINK(protocol_get)
|
|
Packit |
90a5c9 |
)
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE_DATA ap_filter_rec_t *ap_old_write_func = NULL;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Patterns to match in ap_make_content_type() */
|
|
Packit |
90a5c9 |
static const char *needcset[] = {
|
|
Packit |
90a5c9 |
"text/plain",
|
|
Packit |
90a5c9 |
"text/html",
|
|
Packit |
90a5c9 |
NULL
|
|
Packit |
90a5c9 |
};
|
|
Packit |
90a5c9 |
static const apr_strmatch_pattern **needcset_patterns;
|
|
Packit |
90a5c9 |
static const apr_strmatch_pattern *charset_pattern;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_setup_make_content_type(apr_pool_t *pool)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
int i;
|
|
Packit |
90a5c9 |
for (i = 0; needcset[i]; i++) {
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
needcset_patterns = (const apr_strmatch_pattern **)
|
|
Packit |
90a5c9 |
apr_palloc(pool, (i + 1) * sizeof(apr_strmatch_pattern *));
|
|
Packit |
90a5c9 |
for (i = 0; needcset[i]; i++) {
|
|
Packit |
90a5c9 |
needcset_patterns[i] = apr_strmatch_precompile(pool, needcset[i], 0);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
needcset_patterns[i] = NULL;
|
|
Packit |
90a5c9 |
charset_pattern = apr_strmatch_precompile(pool, "charset=", 0);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Builds the content-type that should be sent to the client from the
|
|
Packit |
90a5c9 |
* content-type specified. The following rules are followed:
|
|
Packit |
90a5c9 |
* - if type is NULL or "", return NULL (do not set content-type).
|
|
Packit |
90a5c9 |
* - if charset adding is disabled, stop processing and return type.
|
|
Packit |
90a5c9 |
* - then, if there are no parameters on type, add the default charset
|
|
Packit |
90a5c9 |
* - return type
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(const char *)ap_make_content_type(request_rec *r, const char *type)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const apr_strmatch_pattern **pcset;
|
|
Packit |
90a5c9 |
core_dir_config *conf =
|
|
Packit |
90a5c9 |
(core_dir_config *)ap_get_core_module_config(r->per_dir_config);
|
|
Packit |
90a5c9 |
core_request_config *request_conf;
|
|
Packit |
90a5c9 |
apr_size_t type_len;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!type || *type == '\0') {
|
|
Packit |
90a5c9 |
return NULL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (conf->add_default_charset != ADD_DEFAULT_CHARSET_ON) {
|
|
Packit |
90a5c9 |
return type;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
request_conf = ap_get_core_module_config(r->request_config);
|
|
Packit |
90a5c9 |
if (request_conf->suppress_charset) {
|
|
Packit |
90a5c9 |
return type;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
type_len = strlen(type);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (apr_strmatch(charset_pattern, type, type_len) != NULL) {
|
|
Packit |
90a5c9 |
/* already has parameter, do nothing */
|
|
Packit |
90a5c9 |
/* XXX we don't check the validity */
|
|
Packit |
90a5c9 |
;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
/* see if it makes sense to add the charset. At present,
|
|
Packit |
90a5c9 |
* we only add it if the Content-type is one of needcset[]
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
for (pcset = needcset_patterns; *pcset ; pcset++) {
|
|
Packit |
90a5c9 |
if (apr_strmatch(*pcset, type, type_len) != NULL) {
|
|
Packit |
90a5c9 |
struct iovec concat[3];
|
|
Packit |
90a5c9 |
concat[0].iov_base = (void *)type;
|
|
Packit |
90a5c9 |
concat[0].iov_len = type_len;
|
|
Packit |
90a5c9 |
concat[1].iov_base = (void *)"; charset=";
|
|
Packit |
90a5c9 |
concat[1].iov_len = sizeof("; charset=") - 1;
|
|
Packit |
90a5c9 |
concat[2].iov_base = (void *)(conf->add_default_charset_name);
|
|
Packit |
90a5c9 |
concat[2].iov_len = strlen(conf->add_default_charset_name);
|
|
Packit |
90a5c9 |
type = apr_pstrcatv(r->pool, concat, 3, NULL);
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return type;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_set_content_length(request_rec *r, apr_off_t clength)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
r->clength = clength;
|
|
Packit |
90a5c9 |
apr_table_setn(r->headers_out, "Content-Length",
|
|
Packit |
90a5c9 |
apr_off_t_toa(r->pool, clength));
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Return the latest rational time from a request/mtime (modification time)
|
|
Packit |
90a5c9 |
* pair. We return the mtime unless it's in the future, in which case we
|
|
Packit |
90a5c9 |
* return the current time. We use the request time as a reference in order
|
|
Packit |
90a5c9 |
* to limit the number of calls to time(). We don't check for futurosity
|
|
Packit |
90a5c9 |
* unless the mtime is at least as new as the reference.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_time_t) ap_rationalize_mtime(request_rec *r, apr_time_t mtime)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_time_t now;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* For all static responses, it's almost certain that the file was
|
|
Packit |
90a5c9 |
* last modified before the beginning of the request. So there's
|
|
Packit |
90a5c9 |
* no reason to call time(NULL) again. But if the response has been
|
|
Packit |
90a5c9 |
* created on demand, then it might be newer than the time the request
|
|
Packit |
90a5c9 |
* started. In this event we really have to call time(NULL) again
|
|
Packit |
90a5c9 |
* so that we can give the clients the most accurate Last-Modified. If we
|
|
Packit |
90a5c9 |
* were given a time in the future, we return the current time - the
|
|
Packit |
90a5c9 |
* Last-Modified can't be in the future.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
now = (mtime < r->request_time) ? r->request_time : apr_time_now();
|
|
Packit |
90a5c9 |
return (mtime > now) ? now : mtime;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Get a line of protocol input, including any continuation lines
|
|
Packit |
90a5c9 |
* caused by MIME folding (or broken clients) if fold != 0, and place it
|
|
Packit |
90a5c9 |
* in the buffer s, of size n bytes, without the ending newline.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Pulls from r->proto_input_filters instead of r->input_filters for
|
|
Packit |
90a5c9 |
* stricter protocol adherence and better input filter behavior during
|
|
Packit |
90a5c9 |
* chunked trailer processing (for http).
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* If s is NULL, ap_rgetline_core will allocate necessary memory from r->pool.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Returns APR_SUCCESS if there are no problems and sets *read to be
|
|
Packit |
90a5c9 |
* the full length of s.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* APR_ENOSPC is returned if there is not enough buffer space.
|
|
Packit |
90a5c9 |
* Other errors may be returned on other errors.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* The [CR]LF are *not* returned in the buffer. Therefore, a *read of 0
|
|
Packit |
90a5c9 |
* indicates that an empty line was read.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Notes: Because the buffer uses 1 char for NUL, the most we can return is
|
|
Packit |
90a5c9 |
* (n - 1) actual characters.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* If no LF is detected on the last line due to a dropped connection
|
|
Packit |
90a5c9 |
* or a full buffer, that's considered an error.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_rgetline_core(char **s, apr_size_t n,
|
|
Packit |
90a5c9 |
apr_size_t *read, request_rec *r,
|
|
Packit |
90a5c9 |
int flags, apr_bucket_brigade *bb)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
apr_bucket *e;
|
|
Packit |
90a5c9 |
apr_size_t bytes_handled = 0, current_alloc = 0;
|
|
Packit |
90a5c9 |
char *pos, *last_char = *s;
|
|
Packit |
90a5c9 |
int do_alloc = (*s == NULL), saw_eos = 0;
|
|
Packit |
90a5c9 |
int fold = flags & AP_GETLINE_FOLD;
|
|
Packit |
90a5c9 |
int crlf = flags & AP_GETLINE_CRLF;
|
|
Packit |
90a5c9 |
int nospc_eol = flags & AP_GETLINE_NOSPC_EOL;
|
|
Packit |
90a5c9 |
int saw_eol = 0, saw_nospc = 0;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!n) {
|
|
Packit |
90a5c9 |
/* Needs room for NUL byte at least */
|
|
Packit |
90a5c9 |
*read = 0;
|
|
Packit |
90a5c9 |
return APR_BADARG;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Initialize last_char as otherwise a random value will be compared
|
|
Packit |
90a5c9 |
* against APR_ASCII_LF at the end of the loop if bb only contains
|
|
Packit |
90a5c9 |
* zero-length buckets.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (last_char)
|
|
Packit |
90a5c9 |
*last_char = '\0';
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
do {
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(bb);
|
|
Packit |
90a5c9 |
rv = ap_get_brigade(r->proto_input_filters, bb, AP_MODE_GETLINE,
|
|
Packit |
90a5c9 |
APR_BLOCK_READ, 0);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Something horribly wrong happened. Someone didn't block!
|
|
Packit |
90a5c9 |
* (this also happens at the end of each keepalive connection)
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (APR_BRIGADE_EMPTY(bb)) {
|
|
Packit |
90a5c9 |
rv = APR_EGENERAL;
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
for (e = APR_BRIGADE_FIRST(bb);
|
|
Packit |
90a5c9 |
e != APR_BRIGADE_SENTINEL(bb);
|
|
Packit |
90a5c9 |
e = APR_BUCKET_NEXT(e))
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *str;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we see an EOS, don't bother doing anything more. */
|
|
Packit |
90a5c9 |
if (APR_BUCKET_IS_EOS(e)) {
|
|
Packit |
90a5c9 |
saw_eos = 1;
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = apr_bucket_read(e, &str, &len, APR_BLOCK_READ);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (len == 0) {
|
|
Packit |
90a5c9 |
/* no use attempting a zero-byte alloc (hurts when
|
|
Packit |
90a5c9 |
* using --with-efence --enable-pool-debug) or
|
|
Packit |
90a5c9 |
* doing any of the other logic either
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Would this overrun our buffer? If so, we'll die. */
|
|
Packit |
90a5c9 |
if (n < bytes_handled + len) {
|
|
Packit |
90a5c9 |
/* Before we die, let's fill the buffer up to its limit (i.e.
|
|
Packit |
90a5c9 |
* fall through with the remaining length, if any), setting
|
|
Packit |
90a5c9 |
* saw_eol on LF to stop the outer loop appropriately; we may
|
|
Packit |
90a5c9 |
* come back here once the buffer is filled (no LF seen), and
|
|
Packit |
90a5c9 |
* either be done at that time or continue to wait for LF here
|
|
Packit |
90a5c9 |
* if nospc_eol is set.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* But there is also a corner cases which we want to address,
|
|
Packit |
90a5c9 |
* namely if the buffer is overrun by the final LF only (i.e.
|
|
Packit |
90a5c9 |
* the CR fits in); this is not really an overrun since we'll
|
|
Packit |
90a5c9 |
* strip the CR finally (and use it for NUL byte), but anyway
|
|
Packit |
90a5c9 |
* we have to handle the case so that it's not returned to the
|
|
Packit |
90a5c9 |
* caller as part of the truncated line (it's not!). This is
|
|
Packit |
90a5c9 |
* easier to consider that LF is out of counting and thus fall
|
|
Packit |
90a5c9 |
* through with no error (saw_eol is set to 2 so that we later
|
|
Packit |
90a5c9 |
* ignore LF handling already done here), while folding and
|
|
Packit |
90a5c9 |
* nospc_eol logics continue to work (or fail) appropriately.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
saw_eol = (str[len - 1] == APR_ASCII_LF);
|
|
Packit |
90a5c9 |
if (/* First time around */
|
|
Packit |
90a5c9 |
saw_eol && !saw_nospc
|
|
Packit |
90a5c9 |
/* Single LF completing the buffered CR, */
|
|
Packit |
90a5c9 |
&& ((len == 1 && ((*s)[bytes_handled - 1] == APR_ASCII_CR))
|
|
Packit |
90a5c9 |
/* or trailing CRLF overuns by LF only */
|
|
Packit |
90a5c9 |
|| (len > 1 && str[len - 2] == APR_ASCII_CR
|
|
Packit |
90a5c9 |
&& n - bytes_handled + 1 == len))) {
|
|
Packit |
90a5c9 |
/* In both cases *last_char is (to be) the CR stripped by
|
|
Packit |
90a5c9 |
* later 'bytes_handled = last_char - *s'.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
saw_eol = 2;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
/* In any other case we'd lose data. */
|
|
Packit |
90a5c9 |
rv = APR_ENOSPC;
|
|
Packit |
90a5c9 |
saw_nospc = 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
len = n - bytes_handled;
|
|
Packit |
90a5c9 |
if (!len) {
|
|
Packit |
90a5c9 |
if (saw_eol) {
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (nospc_eol) {
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Do we have to handle the allocation ourselves? */
|
|
Packit |
90a5c9 |
if (do_alloc) {
|
|
Packit |
90a5c9 |
/* We'll assume the common case where one bucket is enough. */
|
|
Packit |
90a5c9 |
if (!*s) {
|
|
Packit |
90a5c9 |
current_alloc = len;
|
|
Packit |
90a5c9 |
*s = apr_palloc(r->pool, current_alloc + 1);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (bytes_handled + len > current_alloc) {
|
|
Packit |
90a5c9 |
/* Increase the buffer size */
|
|
Packit |
90a5c9 |
apr_size_t new_size = current_alloc * 2;
|
|
Packit |
90a5c9 |
char *new_buffer;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (bytes_handled + len > new_size) {
|
|
Packit |
90a5c9 |
new_size = (bytes_handled + len) * 2;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
new_buffer = apr_palloc(r->pool, new_size + 1);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Copy what we already had. */
|
|
Packit |
90a5c9 |
memcpy(new_buffer, *s, bytes_handled);
|
|
Packit |
90a5c9 |
current_alloc = new_size;
|
|
Packit |
90a5c9 |
*s = new_buffer;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Just copy the rest of the data to the end of the old buffer. */
|
|
Packit |
90a5c9 |
pos = *s + bytes_handled;
|
|
Packit |
90a5c9 |
memcpy(pos, str, len);
|
|
Packit |
90a5c9 |
last_char = pos + len - 1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* We've now processed that new data - update accordingly. */
|
|
Packit |
90a5c9 |
bytes_handled += len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we got a full line of input, stop reading */
|
|
Packit |
90a5c9 |
if (last_char && (*last_char == APR_ASCII_LF)) {
|
|
Packit |
90a5c9 |
saw_eol = 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
} while (!saw_eol);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
/* End of line after APR_ENOSPC above */
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Now terminate the string at the end of the line;
|
|
Packit |
90a5c9 |
* if the last-but-one character is a CR, terminate there.
|
|
Packit |
90a5c9 |
* LF is handled above (not accounted) when saw_eol == 2,
|
|
Packit |
90a5c9 |
* the last char is CR to terminate at still.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (saw_eol < 2) {
|
|
Packit |
90a5c9 |
if (last_char > *s && last_char[-1] == APR_ASCII_CR) {
|
|
Packit |
90a5c9 |
last_char--;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (crlf) {
|
|
Packit |
90a5c9 |
rv = APR_EINVAL;
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
bytes_handled = last_char - *s;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we're folding, we have more work to do.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Note that if an EOS was seen, we know we can't have another line.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (fold && bytes_handled && !saw_eos) {
|
|
Packit |
90a5c9 |
for (;;) {
|
|
Packit |
90a5c9 |
const char *str;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
char c;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Clear the temp brigade for this filter read. */
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* We only care about the first byte. */
|
|
Packit |
90a5c9 |
rv = ap_get_brigade(r->proto_input_filters, bb, AP_MODE_SPECULATIVE,
|
|
Packit |
90a5c9 |
APR_BLOCK_READ, 1);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (APR_BRIGADE_EMPTY(bb)) {
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
e = APR_BRIGADE_FIRST(bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we see an EOS, don't bother doing anything more. */
|
|
Packit |
90a5c9 |
if (APR_BUCKET_IS_EOS(e)) {
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = apr_bucket_read(e, &str, &len, APR_BLOCK_READ);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(bb);
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Found one, so call ourselves again to get the next line.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* FIXME: If the folding line is completely blank, should we
|
|
Packit |
90a5c9 |
* stop folding? Does that require also looking at the next
|
|
Packit |
90a5c9 |
* char?
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
/* When we call destroy, the buckets are deleted, so save that
|
|
Packit |
90a5c9 |
* one character we need. This simplifies our execution paths
|
|
Packit |
90a5c9 |
* at the cost of one character read.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
c = *str;
|
|
Packit |
90a5c9 |
if (c == APR_ASCII_BLANK || c == APR_ASCII_TAB) {
|
|
Packit |
90a5c9 |
/* Do we have enough space? We may be full now. */
|
|
Packit |
90a5c9 |
if (bytes_handled >= n) {
|
|
Packit |
90a5c9 |
rv = APR_ENOSPC;
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
apr_size_t next_size, next_len;
|
|
Packit |
90a5c9 |
char *tmp;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we're doing the allocations for them, we have to
|
|
Packit |
90a5c9 |
* give ourselves a NULL and copy it on return.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (do_alloc) {
|
|
Packit |
90a5c9 |
tmp = NULL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
tmp = last_char;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
next_size = n - bytes_handled;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_rgetline_core(&tmp, next_size, &next_len, r,
|
|
Packit |
90a5c9 |
flags & ~AP_GETLINE_FOLD, bb);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
goto cleanup;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (do_alloc && next_len > 0) {
|
|
Packit |
90a5c9 |
char *new_buffer;
|
|
Packit |
90a5c9 |
apr_size_t new_size = bytes_handled + next_len + 1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* we need to alloc an extra byte for a null */
|
|
Packit |
90a5c9 |
new_buffer = apr_palloc(r->pool, new_size);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Copy what we already had. */
|
|
Packit |
90a5c9 |
memcpy(new_buffer, *s, bytes_handled);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* copy the new line, including the trailing null */
|
|
Packit |
90a5c9 |
memcpy(new_buffer + bytes_handled, tmp, next_len);
|
|
Packit |
90a5c9 |
*s = new_buffer;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
last_char += next_len;
|
|
Packit |
90a5c9 |
bytes_handled += next_len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else { /* next character is not tab or space */
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
cleanup:
|
|
Packit |
90a5c9 |
if (bytes_handled >= n) {
|
|
Packit |
90a5c9 |
bytes_handled = n - 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
*read = bytes_handled;
|
|
Packit |
90a5c9 |
if (*s) {
|
|
Packit |
90a5c9 |
/* ensure the string is NUL terminated */
|
|
Packit |
90a5c9 |
(*s)[*read] = '\0';
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* PR#43039: We shouldn't accept NULL bytes within the line */
|
|
Packit |
90a5c9 |
bytes_handled = strlen(*s);
|
|
Packit |
90a5c9 |
if (bytes_handled < *read) {
|
|
Packit |
90a5c9 |
*read = bytes_handled;
|
|
Packit |
90a5c9 |
if (rv == APR_SUCCESS) {
|
|
Packit |
90a5c9 |
rv = APR_EINVAL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#if APR_CHARSET_EBCDIC
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_rgetline(char **s, apr_size_t n,
|
|
Packit |
90a5c9 |
apr_size_t *read, request_rec *r,
|
|
Packit |
90a5c9 |
int fold, apr_bucket_brigade *bb)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
/* on ASCII boxes, ap_rgetline is a macro which simply invokes
|
|
Packit |
90a5c9 |
* ap_rgetline_core with the same parms
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* on EBCDIC boxes, each complete http protocol input line needs to be
|
|
Packit |
90a5c9 |
* translated into the code page used by the compiler. Since
|
|
Packit |
90a5c9 |
* ap_rgetline_core uses recursion, we do the translation in a wrapper
|
|
Packit |
90a5c9 |
* function to ensure that each input character gets translated only once.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_rgetline_core(s, n, read, r, fold, bb);
|
|
Packit |
90a5c9 |
if (rv == APR_SUCCESS || APR_STATUS_IS_ENOSPC(rv)) {
|
|
Packit |
90a5c9 |
ap_xlate_proto_from_ascii(*s, *read);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
#endif
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_getline(char *s, int n, request_rec *r, int flags)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
char *tmp_s = s;
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *tmp_bb;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (n < 1) {
|
|
Packit |
90a5c9 |
/* Can't work since we always NUL terminate */
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
rv = ap_rgetline(&tmp_s, n, &len, r, flags, tmp_bb);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Map the out-of-space condition to the old API. */
|
|
Packit |
90a5c9 |
if (rv == APR_ENOSPC) {
|
|
Packit |
90a5c9 |
return n;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Anything else is just bad. */
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return (int)len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* parse_uri: break apart the uri
|
|
Packit |
90a5c9 |
* Side Effects:
|
|
Packit |
90a5c9 |
* - sets r->args to rest after '?' (or NULL if no '?')
|
|
Packit |
90a5c9 |
* - sets r->uri to request uri (without r->args part)
|
|
Packit |
90a5c9 |
* - sets r->hostname (if not set already) from request (scheme://host:port)
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_CORE_DECLARE(void) ap_parse_uri(request_rec *r, const char *uri)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
int status = HTTP_OK;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->unparsed_uri = apr_pstrdup(r->pool, uri);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* http://issues.apache.org/bugzilla/show_bug.cgi?id=31875
|
|
Packit |
90a5c9 |
* http://issues.apache.org/bugzilla/show_bug.cgi?id=28450
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* This is not in fact a URI, it's a path. That matters in the
|
|
Packit |
90a5c9 |
* case of a leading double-slash. We need to resolve the issue
|
|
Packit |
90a5c9 |
* by normalizing that out before treating it as a URI.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
while ((uri[0] == '/') && (uri[1] == '/')) {
|
|
Packit |
90a5c9 |
++uri ;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (r->method_number == M_CONNECT) {
|
|
Packit |
90a5c9 |
status = apr_uri_parse_hostinfo(r->pool, uri, &r->parsed_uri);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
status = apr_uri_parse(r->pool, uri, &r->parsed_uri);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (status == APR_SUCCESS) {
|
|
Packit |
90a5c9 |
/* if it has a scheme we may need to do absoluteURI vhost stuff */
|
|
Packit |
90a5c9 |
if (r->parsed_uri.scheme
|
|
Packit |
90a5c9 |
&& !strcasecmp(r->parsed_uri.scheme, ap_http_scheme(r))) {
|
|
Packit |
90a5c9 |
r->hostname = r->parsed_uri.hostname;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (r->method_number == M_CONNECT) {
|
|
Packit |
90a5c9 |
r->hostname = r->parsed_uri.hostname;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->args = r->parsed_uri.query;
|
|
Packit |
90a5c9 |
r->uri = r->parsed_uri.path ? r->parsed_uri.path
|
|
Packit |
90a5c9 |
: apr_pstrdup(r->pool, "/");
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#if defined(OS2) || defined(WIN32)
|
|
Packit |
90a5c9 |
/* Handle path translations for OS/2 and plug security hole.
|
|
Packit |
90a5c9 |
* This will prevent "http://www.wherever.com/..\..\/" from
|
|
Packit |
90a5c9 |
* returning a directory for the root drive.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
char *x;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
for (x = r->uri; (x = strchr(x, '\\')) != NULL; )
|
|
Packit |
90a5c9 |
*x = '/';
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
#endif /* OS2 || WIN32 */
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
r->args = NULL;
|
|
Packit |
90a5c9 |
r->hostname = NULL;
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST; /* set error status */
|
|
Packit |
90a5c9 |
r->uri = apr_pstrdup(r->pool, uri);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* get the length of the field name for logging, but no more than 80 bytes */
|
|
Packit |
90a5c9 |
#define LOG_NAME_MAX_LEN 80
|
|
Packit |
90a5c9 |
static int field_name_len(const char *field)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *end = ap_strchr_c(field, ':');
|
|
Packit |
90a5c9 |
if (end == NULL || end - field > LOG_NAME_MAX_LEN)
|
|
Packit |
90a5c9 |
return LOG_NAME_MAX_LEN;
|
|
Packit |
90a5c9 |
return end - field;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
enum {
|
|
Packit |
90a5c9 |
rrl_none, rrl_badmethod, rrl_badwhitespace, rrl_excesswhitespace,
|
|
Packit |
90a5c9 |
rrl_missinguri, rrl_baduri, rrl_badprotocol, rrl_trailingtext,
|
|
Packit |
90a5c9 |
rrl_badmethod09, rrl_reject09
|
|
Packit |
90a5c9 |
} deferred_error = rrl_none;
|
|
Packit |
90a5c9 |
char *ll;
|
|
Packit |
90a5c9 |
char *uri;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
int num_blank_lines = DEFAULT_LIMIT_BLANK_LINES;
|
|
Packit |
90a5c9 |
core_server_config *conf = ap_get_core_module_config(r->server->module_config);
|
|
Packit |
90a5c9 |
int strict = (conf->http_conformance != AP_HTTP_CONFORMANCE_UNSAFE);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Read past empty lines until we get a real request line,
|
|
Packit |
90a5c9 |
* a read error, the connection closes (EOF), or we timeout.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* We skip empty lines because browsers have to tack a CRLF on to the end
|
|
Packit |
90a5c9 |
* of POSTs to support old CERN webservers. But note that we may not
|
|
Packit |
90a5c9 |
* have flushed any previous response completely to the client yet.
|
|
Packit |
90a5c9 |
* We delay the flush as long as possible so that we can improve
|
|
Packit |
90a5c9 |
* performance for clients that are pipelining requests. If a request
|
|
Packit |
90a5c9 |
* is pipelined then we won't block during the (implicit) read() below.
|
|
Packit |
90a5c9 |
* If the requests aren't pipelined, then the client is still waiting
|
|
Packit |
90a5c9 |
* for the final buffer flush from us, and we will block in the implicit
|
|
Packit |
90a5c9 |
* read(). B_SAFEREAD ensures that the BUFF layer flushes if it will
|
|
Packit |
90a5c9 |
* have to block during a read.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
do {
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* ensure ap_rgetline allocates memory each time thru the loop
|
|
Packit |
90a5c9 |
* if there are empty lines
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
r->the_request = NULL;
|
|
Packit |
90a5c9 |
rv = ap_rgetline(&(r->the_request), (apr_size_t)(r->server->limit_req_line + 2),
|
|
Packit |
90a5c9 |
&len, r, strict ? AP_GETLINE_CRLF : 0, bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
r->request_time = apr_time_now();
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* ap_rgetline returns APR_ENOSPC if it fills up the
|
|
Packit |
90a5c9 |
* buffer before finding the end-of-line. This is only going to
|
|
Packit |
90a5c9 |
* happen if it exceeds the configured limit for a request-line.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (APR_STATUS_IS_ENOSPC(rv)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_REQUEST_URI_TOO_LARGE;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (APR_STATUS_IS_TIMEUP(rv)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_REQUEST_TIME_OUT;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (APR_STATUS_IS_EINVAL(rv)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(1,0);
|
|
Packit |
90a5c9 |
r->protocol = apr_pstrdup(r->pool, "HTTP/1.0");
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
} while ((len <= 0) && (--num_blank_lines >= 0));
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (APLOGrtrace5(r)) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0, r,
|
|
Packit |
90a5c9 |
"Request received from client: %s",
|
|
Packit |
90a5c9 |
ap_escape_logitem(r->pool, r->the_request));
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->request_time = apr_time_now();
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->method = r->the_request;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If there is whitespace before a method, skip it and mark in error */
|
|
Packit |
90a5c9 |
if (apr_isspace(*r->method)) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_badwhitespace;
|
|
Packit |
90a5c9 |
for ( ; apr_isspace(*r->method); ++r->method)
|
|
Packit |
90a5c9 |
;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Scan the method up to the next whitespace, ensure it contains only
|
|
Packit |
90a5c9 |
* valid http-token characters, otherwise mark in error
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (strict) {
|
|
Packit |
90a5c9 |
ll = (char*) ap_scan_http_token(r->method);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
ll = (char*) ap_scan_vchar_obstext(r->method);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (((ll == r->method) || (*ll && !apr_isspace(*ll)))
|
|
Packit |
90a5c9 |
&& deferred_error == rrl_none) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_badmethod;
|
|
Packit |
90a5c9 |
ll = strpbrk(ll, "\t\n\v\f\r ");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Verify method terminated with a single SP, or mark as specific error */
|
|
Packit |
90a5c9 |
if (!ll) {
|
|
Packit |
90a5c9 |
if (deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_missinguri;
|
|
Packit |
90a5c9 |
r->protocol = uri = "";
|
|
Packit |
90a5c9 |
len = 0;
|
|
Packit |
90a5c9 |
goto rrl_done;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (strict && ll[0] && apr_isspace(ll[1])
|
|
Packit |
90a5c9 |
&& deferred_error == rrl_none) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_excesswhitespace;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Advance uri pointer over leading whitespace, NUL terminate the method
|
|
Packit |
90a5c9 |
* If non-SP whitespace is encountered, mark as specific error
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
for (uri = ll; apr_isspace(*uri); ++uri)
|
|
Packit |
90a5c9 |
if (*uri != ' ' && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_badwhitespace;
|
|
Packit |
90a5c9 |
*ll = '\0';
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!*uri && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_missinguri;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Scan the URI up to the next whitespace, ensure it contains no raw
|
|
Packit |
90a5c9 |
* control characters, otherwise mark in error
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
ll = (char*) ap_scan_vchar_obstext(uri);
|
|
Packit |
90a5c9 |
if (ll == uri || (*ll && !apr_isspace(*ll))) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_baduri;
|
|
Packit |
90a5c9 |
ll = strpbrk(ll, "\t\n\v\f\r ");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Verify URI terminated with a single SP, or mark as specific error */
|
|
Packit |
90a5c9 |
if (!ll) {
|
|
Packit |
90a5c9 |
r->protocol = "";
|
|
Packit |
90a5c9 |
len = 0;
|
|
Packit |
90a5c9 |
goto rrl_done;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (strict && ll[0] && apr_isspace(ll[1])
|
|
Packit |
90a5c9 |
&& deferred_error == rrl_none) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_excesswhitespace;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Advance protocol pointer over leading whitespace, NUL terminate the uri
|
|
Packit |
90a5c9 |
* If non-SP whitespace is encountered, mark as specific error
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
for (r->protocol = ll; apr_isspace(*r->protocol); ++r->protocol)
|
|
Packit |
90a5c9 |
if (*r->protocol != ' ' && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_badwhitespace;
|
|
Packit |
90a5c9 |
*ll = '\0';
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Scan the protocol up to the next whitespace, validation comes later */
|
|
Packit |
90a5c9 |
if (!(ll = (char*) ap_scan_vchar_obstext(r->protocol))) {
|
|
Packit |
90a5c9 |
len = strlen(r->protocol);
|
|
Packit |
90a5c9 |
goto rrl_done;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
len = ll - r->protocol;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Advance over trailing whitespace, if found mark in error,
|
|
Packit |
90a5c9 |
* determine if trailing text is found, unconditionally mark in error,
|
|
Packit |
90a5c9 |
* finally NUL terminate the protocol string
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (*ll && !apr_isspace(*ll)) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_badprotocol;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (strict && *ll) {
|
|
Packit |
90a5c9 |
deferred_error = rrl_excesswhitespace;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
for ( ; apr_isspace(*ll); ++ll)
|
|
Packit |
90a5c9 |
if (*ll != ' ' && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_badwhitespace;
|
|
Packit |
90a5c9 |
if (*ll && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_trailingtext;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
*((char *)r->protocol + len) = '\0';
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rrl_done:
|
|
Packit |
90a5c9 |
/* For internal integrity and palloc efficiency, reconstruct the_request
|
|
Packit |
90a5c9 |
* in one palloc, using only single SP characters, per spec.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
r->the_request = apr_pstrcat(r->pool, r->method, *uri ? " " : NULL, uri,
|
|
Packit |
90a5c9 |
*r->protocol ? " " : NULL, r->protocol, NULL);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (len == 8
|
|
Packit |
90a5c9 |
&& r->protocol[0] == 'H' && r->protocol[1] == 'T'
|
|
Packit |
90a5c9 |
&& r->protocol[2] == 'T' && r->protocol[3] == 'P'
|
|
Packit |
90a5c9 |
&& r->protocol[4] == '/' && apr_isdigit(r->protocol[5])
|
|
Packit |
90a5c9 |
&& r->protocol[6] == '.' && apr_isdigit(r->protocol[7])
|
|
Packit |
90a5c9 |
&& r->protocol[5] != '0') {
|
|
Packit |
90a5c9 |
r->assbackwards = 0;
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(r->protocol[5] - '0', r->protocol[7] - '0');
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (len == 8
|
|
Packit |
90a5c9 |
&& (r->protocol[0] == 'H' || r->protocol[0] == 'h')
|
|
Packit |
90a5c9 |
&& (r->protocol[1] == 'T' || r->protocol[1] == 't')
|
|
Packit |
90a5c9 |
&& (r->protocol[2] == 'T' || r->protocol[2] == 't')
|
|
Packit |
90a5c9 |
&& (r->protocol[3] == 'P' || r->protocol[3] == 'p')
|
|
Packit |
90a5c9 |
&& r->protocol[4] == '/' && apr_isdigit(r->protocol[5])
|
|
Packit |
90a5c9 |
&& r->protocol[6] == '.' && apr_isdigit(r->protocol[7])
|
|
Packit |
90a5c9 |
&& r->protocol[5] != '0') {
|
|
Packit |
90a5c9 |
r->assbackwards = 0;
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(r->protocol[5] - '0', r->protocol[7] - '0');
|
|
Packit |
90a5c9 |
if (strict && deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_badprotocol;
|
|
Packit |
90a5c9 |
else
|
|
Packit |
90a5c9 |
memcpy((char*)r->protocol, "HTTP", 4);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (r->protocol[0]) {
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(0, 9);
|
|
Packit |
90a5c9 |
/* Defer setting the r->protocol string till error msg is composed */
|
|
Packit |
90a5c9 |
if (deferred_error == rrl_none)
|
|
Packit |
90a5c9 |
deferred_error = rrl_badprotocol;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
r->assbackwards = 1;
|
|
Packit |
90a5c9 |
r->protocol = apr_pstrdup(r->pool, "HTTP/0.9");
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(0, 9);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Determine the method_number and parse the uri prior to invoking error
|
|
Packit |
90a5c9 |
* handling, such that these fields are available for substitution
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
r->method_number = ap_method_number_of(r->method);
|
|
Packit |
90a5c9 |
if (r->method_number == M_GET && r->method[0] == 'H')
|
|
Packit |
90a5c9 |
r->header_only = 1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_parse_uri(r, uri);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* With the request understood, we can consider HTTP/0.9 specific errors */
|
|
Packit |
90a5c9 |
if (r->proto_num == HTTP_VERSION(0, 9) && deferred_error == rrl_none) {
|
|
Packit |
90a5c9 |
if (conf->http09_enable == AP_HTTP09_DISABLE)
|
|
Packit |
90a5c9 |
deferred_error = rrl_reject09;
|
|
Packit |
90a5c9 |
else if (strict && (r->method_number != M_GET || r->header_only))
|
|
Packit |
90a5c9 |
deferred_error = rrl_badmethod09;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Now that the method, uri and protocol are all processed,
|
|
Packit |
90a5c9 |
* we can safely resume any deferred error reporting
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (deferred_error != rrl_none) {
|
|
Packit |
90a5c9 |
if (deferred_error == rrl_badmethod)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03445)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Invalid method token: '%.*s'",
|
|
Packit |
90a5c9 |
field_name_len(r->method), r->method);
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_badmethod09)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03444)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Invalid method token: '%.*s'"
|
|
Packit |
90a5c9 |
" (only GET is allowed for HTTP/0.9 requests)",
|
|
Packit |
90a5c9 |
field_name_len(r->method), r->method);
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_missinguri)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03446)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Missing URI");
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_baduri)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03454)
|
|
Packit |
90a5c9 |
"HTTP Request Line; URI incorrectly encoded: '%.*s'",
|
|
Packit |
90a5c9 |
field_name_len(r->unparsed_uri), r->unparsed_uri);
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_badwhitespace)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03447)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Invalid whitespace");
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_excesswhitespace)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03448)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Excess whitespace "
|
|
Packit |
90a5c9 |
"(disallowed by HttpProtocolOptions Strict");
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_trailingtext)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03449)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Extraneous text found '%.*s' "
|
|
Packit |
90a5c9 |
"(perhaps whitespace was injected?)",
|
|
Packit |
90a5c9 |
field_name_len(ll), ll);
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_reject09)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02401)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Rejected HTTP/0.9 request");
|
|
Packit |
90a5c9 |
else if (deferred_error == rrl_badprotocol)
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02418)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Unrecognized protocol '%.*s' "
|
|
Packit |
90a5c9 |
"(perhaps whitespace was injected?)",
|
|
Packit |
90a5c9 |
field_name_len(r->protocol), r->protocol);
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
goto rrl_failed;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (conf->http_methods == AP_HTTP_METHODS_REGISTERED
|
|
Packit |
90a5c9 |
&& r->method_number == M_INVALID) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02423)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Unrecognized HTTP method: '%.*s' "
|
|
Packit |
90a5c9 |
"(disallowed by RegisteredMethods)",
|
|
Packit |
90a5c9 |
field_name_len(r->method), r->method);
|
|
Packit |
90a5c9 |
r->status = HTTP_NOT_IMPLEMENTED;
|
|
Packit |
90a5c9 |
/* This can't happen in an HTTP/0.9 request, we verified GET above */
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->status != HTTP_OK) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03450)
|
|
Packit |
90a5c9 |
"HTTP Request Line; Unable to parse URI: '%.*s'",
|
|
Packit |
90a5c9 |
field_name_len(r->uri), r->uri);
|
|
Packit |
90a5c9 |
goto rrl_failed;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (strict) {
|
|
Packit |
90a5c9 |
if (r->parsed_uri.fragment) {
|
|
Packit |
90a5c9 |
/* RFC3986 3.5: no fragment */
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02421)
|
|
Packit |
90a5c9 |
"HTTP Request Line; URI must not contain a fragment");
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
goto rrl_failed;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (r->parsed_uri.user || r->parsed_uri.password) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02422)
|
|
Packit |
90a5c9 |
"HTTP Request Line; URI must not contain a "
|
|
Packit |
90a5c9 |
"username/password");
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
goto rrl_failed;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return 1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rrl_failed:
|
|
Packit |
90a5c9 |
if (r->proto_num == HTTP_VERSION(0, 9)) {
|
|
Packit |
90a5c9 |
/* Send all parsing and protocol error response with 1.x behavior,
|
|
Packit |
90a5c9 |
* and reserve 505 errors for actual HTTP protocols presented.
|
|
Packit |
90a5c9 |
* As called out in RFC7230 3.5, any errors parsing the protocol
|
|
Packit |
90a5c9 |
* from the request line are nearly always misencoded HTTP/1.x
|
|
Packit |
90a5c9 |
* requests. Only a valid 0.9 request with no parsing errors
|
|
Packit |
90a5c9 |
* at all may be treated as a simple request, if allowed.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
r->assbackwards = 0;
|
|
Packit |
90a5c9 |
r->connection->keepalive = AP_CONN_CLOSE;
|
|
Packit |
90a5c9 |
r->proto_num = HTTP_VERSION(1, 0);
|
|
Packit |
90a5c9 |
r->protocol = apr_pstrdup(r->pool, "HTTP/1.0");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static int table_do_fn_check_lengths(void *r_, const char *key,
|
|
Packit |
90a5c9 |
const char *value)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
request_rec *r = r_;
|
|
Packit |
90a5c9 |
if (value == NULL || r->server->limit_req_fieldsize >= strlen(value) )
|
|
Packit |
90a5c9 |
return 1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
apr_table_setn(r->notes, "error-notes",
|
|
Packit |
90a5c9 |
"Size of a request header field exceeds server limit.");
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00560) "Request "
|
|
Packit |
90a5c9 |
"header exceeds LimitRequestFieldSize after merging: %.*s",
|
|
Packit |
90a5c9 |
field_name_len(key), key);
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_get_mime_headers_core(request_rec *r, apr_bucket_brigade *bb)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
char *last_field = NULL;
|
|
Packit |
90a5c9 |
apr_size_t last_len = 0;
|
|
Packit |
90a5c9 |
apr_size_t alloc_len = 0;
|
|
Packit |
90a5c9 |
char *field;
|
|
Packit |
90a5c9 |
char *value;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
int fields_read = 0;
|
|
Packit |
90a5c9 |
char *tmp_field;
|
|
Packit |
90a5c9 |
core_server_config *conf = ap_get_core_module_config(r->server->module_config);
|
|
Packit |
90a5c9 |
int strict = (conf->http_conformance != AP_HTTP_CONFORMANCE_UNSAFE);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Read header lines until we get the empty separator line, a read error,
|
|
Packit |
90a5c9 |
* the connection closes (EOF), reach the server limit, or we timeout.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
while(1) {
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
field = NULL;
|
|
Packit |
90a5c9 |
rv = ap_rgetline(&field, r->server->limit_req_fieldsize + 2,
|
|
Packit |
90a5c9 |
&len, r, strict ? AP_GETLINE_CRLF : 0, bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
if (APR_STATUS_IS_TIMEUP(rv)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_REQUEST_TIME_OUT;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, rv, r,
|
|
Packit |
90a5c9 |
"Failed to read request header line %s", field);
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* ap_rgetline returns APR_ENOSPC if it fills up the buffer before
|
|
Packit |
90a5c9 |
* finding the end-of-line. This is only going to happen if it
|
|
Packit |
90a5c9 |
* exceeds the configured limit for a field size.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (rv == APR_ENOSPC) {
|
|
Packit |
90a5c9 |
apr_table_setn(r->notes, "error-notes",
|
|
Packit |
90a5c9 |
"Size of a request header field "
|
|
Packit |
90a5c9 |
"exceeds server limit.");
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00561)
|
|
Packit |
90a5c9 |
"Request header exceeds LimitRequestFieldSize%s"
|
|
Packit |
90a5c9 |
"%.*s",
|
|
Packit |
90a5c9 |
(field && *field) ? ": " : "",
|
|
Packit |
90a5c9 |
(field) ? field_name_len(field) : 0,
|
|
Packit |
90a5c9 |
(field) ? field : "");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* For all header values, and all obs-fold lines, the presence of
|
|
Packit |
90a5c9 |
* additional whitespace is a no-op, so collapse trailing whitespace
|
|
Packit |
90a5c9 |
* to save buffer allocation and optimize copy operations.
|
|
Packit |
90a5c9 |
* Do not remove the last single whitespace under any condition.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
while (len > 1 && (field[len-1] == '\t' || field[len-1] == ' ')) {
|
|
Packit |
90a5c9 |
field[--len] = '\0';
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (*field == '\t' || *field == ' ') {
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Append any newly-read obs-fold line onto the preceding
|
|
Packit |
90a5c9 |
* last_field line we are processing
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_size_t fold_len;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (last_field == NULL) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03442)
|
|
Packit |
90a5c9 |
"Line folding encountered before first"
|
|
Packit |
90a5c9 |
" header line");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (field[1] == '\0') {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03443)
|
|
Packit |
90a5c9 |
"Empty folded line encountered");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Leading whitespace on an obs-fold line can be
|
|
Packit |
90a5c9 |
* similarly discarded */
|
|
Packit |
90a5c9 |
while (field[1] == '\t' || field[1] == ' ') {
|
|
Packit |
90a5c9 |
++field; --len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* This line is a continuation of the preceding line(s),
|
|
Packit |
90a5c9 |
* so append it to the line that we've set aside.
|
|
Packit |
90a5c9 |
* Note: this uses a power-of-two allocator to avoid
|
|
Packit |
90a5c9 |
* doing O(n) allocs and using O(n^2) space for
|
|
Packit |
90a5c9 |
* continuations that span many many lines.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
fold_len = last_len + len + 1; /* trailing null */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (fold_len >= (apr_size_t)(r->server->limit_req_fieldsize)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
/* report what we have accumulated so far before the
|
|
Packit |
90a5c9 |
* overflow (last_field) as the field with the problem
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_table_setn(r->notes, "error-notes",
|
|
Packit |
90a5c9 |
"Size of a request header field "
|
|
Packit |
90a5c9 |
"exceeds server limit.");
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00562)
|
|
Packit |
90a5c9 |
"Request header exceeds LimitRequestFieldSize "
|
|
Packit |
90a5c9 |
"after folding: %.*s",
|
|
Packit |
90a5c9 |
field_name_len(last_field), last_field);
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (fold_len > alloc_len) {
|
|
Packit |
90a5c9 |
char *fold_buf;
|
|
Packit |
90a5c9 |
alloc_len += alloc_len;
|
|
Packit |
90a5c9 |
if (fold_len > alloc_len) {
|
|
Packit |
90a5c9 |
alloc_len = fold_len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
fold_buf = (char *)apr_palloc(r->pool, alloc_len);
|
|
Packit |
90a5c9 |
memcpy(fold_buf, last_field, last_len);
|
|
Packit |
90a5c9 |
last_field = fold_buf;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
memcpy(last_field + last_len, field, len +1); /* +1 for nul */
|
|
Packit |
90a5c9 |
/* Replace obs-fold w/ SP per RFC 7230 3.2.4 */
|
|
Packit |
90a5c9 |
last_field[last_len] = ' ';
|
|
Packit |
90a5c9 |
last_len += len;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* We've appended this obs-fold line to last_len, proceed to
|
|
Packit |
90a5c9 |
* read the next input line
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (last_field != NULL) {
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Process the previous last_field header line with all obs-folded
|
|
Packit |
90a5c9 |
* segments already concatenated (this is not operating on the
|
|
Packit |
90a5c9 |
* most recently read input line).
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->server->limit_req_fields
|
|
Packit |
90a5c9 |
&& (++fields_read > r->server->limit_req_fields)) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
apr_table_setn(r->notes, "error-notes",
|
|
Packit |
90a5c9 |
"The number of request header fields "
|
|
Packit |
90a5c9 |
"exceeds this server's limit.");
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00563)
|
|
Packit |
90a5c9 |
"Number of request headers exceeds "
|
|
Packit |
90a5c9 |
"LimitRequestFields");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!strict)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
/* Not Strict ('Unsafe' mode), using the legacy parser */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!(value = strchr(last_field, ':'))) { /* Find ':' or */
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST; /* abort bad request */
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00564)
|
|
Packit |
90a5c9 |
"Request header field is missing ':' "
|
|
Packit |
90a5c9 |
"separator: %.*s", (int)LOG_NAME_MAX_LEN,
|
|
Packit |
90a5c9 |
last_field);
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (value == last_field) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03453)
|
|
Packit |
90a5c9 |
"Request header field name was empty");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
*value++ = '\0'; /* NUL-terminate at colon */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (strpbrk(last_field, "\t\n\v\f\r ")) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03452)
|
|
Packit |
90a5c9 |
"Request header field name presented"
|
|
Packit |
90a5c9 |
" invalid whitespace");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
while (*value == ' ' || *value == '\t') {
|
|
Packit |
90a5c9 |
++value; /* Skip to start of value */
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (strpbrk(value, "\n\v\f\r")) {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(03451)
|
|
Packit |
90a5c9 |
"Request header field value presented"
|
|
Packit |
90a5c9 |
" bad whitespace");
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else /* Using strict RFC7230 parsing */
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
/* Ensure valid token chars before ':' per RFC 7230 3.2.4 */
|
|
Packit |
90a5c9 |
value = (char *)ap_scan_http_token(last_field);
|
|
Packit |
90a5c9 |
if ((value == last_field) || *value != ':') {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02426)
|
|
Packit |
90a5c9 |
"Request header field name is malformed: "
|
|
Packit |
90a5c9 |
"%.*s", (int)LOG_NAME_MAX_LEN, last_field);
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
*value++ = '\0'; /* NUL-terminate last_field name at ':' */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
while (*value == ' ' || *value == '\t') {
|
|
Packit |
90a5c9 |
++value; /* Skip LWS of value */
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Find invalid, non-HT ctrl char, or the trailing NULL */
|
|
Packit |
90a5c9 |
tmp_field = (char *)ap_scan_http_field_content(value);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Reject value for all garbage input (CTRLs excluding HT)
|
|
Packit |
90a5c9 |
* e.g. only VCHAR / SP / HT / obs-text are allowed per
|
|
Packit |
90a5c9 |
* RFC7230 3.2.6 - leave all more explicit rule enforcement
|
|
Packit |
90a5c9 |
* for specific header handler logic later in the cycle
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (*tmp_field != '\0') {
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02427)
|
|
Packit |
90a5c9 |
"Request header value is malformed: "
|
|
Packit |
90a5c9 |
"%.*s", (int)LOG_NAME_MAX_LEN, value);
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
apr_table_addn(r->headers_in, last_field, value);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* This last_field header is now stored in headers_in,
|
|
Packit |
90a5c9 |
* resume processing of the current input line.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Found the terminating empty end-of-headers line, stop. */
|
|
Packit |
90a5c9 |
if (len == 0) {
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Keep track of this new header line so that we can extend it across
|
|
Packit |
90a5c9 |
* any obs-fold or parse it on the next loop iteration. We referenced
|
|
Packit |
90a5c9 |
* our previously allocated buffer in r->headers_in,
|
|
Packit |
90a5c9 |
* so allocate a fresh buffer if required.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
alloc_len = 0;
|
|
Packit |
90a5c9 |
last_field = field;
|
|
Packit |
90a5c9 |
last_len = len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Combine multiple message-header fields with the same
|
|
Packit |
90a5c9 |
* field-name, following RFC 2616, 4.2.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_table_compress(r->headers_in, APR_OVERLAP_TABLES_MERGE);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* enforce LimitRequestFieldSize for merged headers */
|
|
Packit |
90a5c9 |
apr_table_do(table_do_fn_check_lengths, r, r->headers_in, NULL);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_get_mime_headers(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_bucket_brigade *tmp_bb;
|
|
Packit |
90a5c9 |
tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
ap_get_mime_headers_core(r, tmp_bb);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
request_rec *ap_read_request(conn_rec *conn)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
request_rec *r;
|
|
Packit |
90a5c9 |
apr_pool_t *p;
|
|
Packit |
90a5c9 |
const char *expect;
|
|
Packit |
90a5c9 |
int access_status;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *tmp_bb;
|
|
Packit |
90a5c9 |
apr_socket_t *csd;
|
|
Packit |
90a5c9 |
apr_interval_time_t cur_timeout;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
apr_pool_create(&p, conn->pool);
|
|
Packit |
90a5c9 |
apr_pool_tag(p, "request");
|
|
Packit |
90a5c9 |
r = apr_pcalloc(p, sizeof(request_rec));
|
|
Packit |
90a5c9 |
AP_READ_REQUEST_ENTRY((intptr_t)r, (uintptr_t)conn);
|
|
Packit |
90a5c9 |
r->pool = p;
|
|
Packit |
90a5c9 |
r->connection = conn;
|
|
Packit |
90a5c9 |
r->server = conn->base_server;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->user = NULL;
|
|
Packit |
90a5c9 |
r->ap_auth_type = NULL;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->allowed_methods = ap_make_method_list(p, 2);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->headers_in = apr_table_make(r->pool, 25);
|
|
Packit |
90a5c9 |
r->trailers_in = apr_table_make(r->pool, 5);
|
|
Packit |
90a5c9 |
r->subprocess_env = apr_table_make(r->pool, 25);
|
|
Packit |
90a5c9 |
r->headers_out = apr_table_make(r->pool, 12);
|
|
Packit |
90a5c9 |
r->err_headers_out = apr_table_make(r->pool, 5);
|
|
Packit |
90a5c9 |
r->trailers_out = apr_table_make(r->pool, 5);
|
|
Packit |
90a5c9 |
r->notes = apr_table_make(r->pool, 5);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->request_config = ap_create_request_config(r->pool);
|
|
Packit |
90a5c9 |
/* Must be set before we run create request hook */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->proto_output_filters = conn->output_filters;
|
|
Packit |
90a5c9 |
r->output_filters = r->proto_output_filters;
|
|
Packit |
90a5c9 |
r->proto_input_filters = conn->input_filters;
|
|
Packit |
90a5c9 |
r->input_filters = r->proto_input_filters;
|
|
Packit |
90a5c9 |
ap_run_create_request(r);
|
|
Packit |
90a5c9 |
r->per_dir_config = r->server->lookup_defaults;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->sent_bodyct = 0; /* bytect isn't for body */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->read_length = 0;
|
|
Packit |
90a5c9 |
r->read_body = REQUEST_NO_BODY;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->status = HTTP_OK; /* Until further notice */
|
|
Packit |
90a5c9 |
r->the_request = NULL;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Begin by presuming any module can make its own path_info assumptions,
|
|
Packit |
90a5c9 |
* until some module interjects and changes the value.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
r->used_path_info = AP_REQ_DEFAULT_PATH_INFO;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
r->useragent_addr = conn->client_addr;
|
|
Packit |
90a5c9 |
r->useragent_ip = conn->client_ip;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_run_pre_read_request(r, conn);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Get the request... */
|
|
Packit |
90a5c9 |
if (!read_request_line(r, tmp_bb)) {
|
|
Packit |
90a5c9 |
switch (r->status) {
|
|
Packit |
90a5c9 |
case HTTP_REQUEST_URI_TOO_LARGE:
|
|
Packit |
90a5c9 |
case HTTP_BAD_REQUEST:
|
|
Packit |
90a5c9 |
case HTTP_VERSION_NOT_SUPPORTED:
|
|
Packit |
90a5c9 |
case HTTP_NOT_IMPLEMENTED:
|
|
Packit |
90a5c9 |
if (r->status == HTTP_REQUEST_URI_TOO_LARGE) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00565)
|
|
Packit |
90a5c9 |
"request failed: client's request-line exceeds LimitRequestLine (longer than %d)",
|
|
Packit |
90a5c9 |
r->server->limit_req_line);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (r->method == NULL) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00566)
|
|
Packit |
90a5c9 |
"request failed: malformed request line");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
access_status = r->status;
|
|
Packit |
90a5c9 |
r->status = HTTP_OK;
|
|
Packit |
90a5c9 |
ap_die(access_status, r);
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
r = NULL;
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
case HTTP_REQUEST_TIME_OUT:
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, NULL);
|
|
Packit |
90a5c9 |
if (!r->connection->keepalives)
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
default:
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
r = NULL;
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* We may have been in keep_alive_timeout mode, so toggle back
|
|
Packit |
90a5c9 |
* to the normal timeout mode as we fetch the header lines,
|
|
Packit |
90a5c9 |
* as necessary.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
csd = ap_get_conn_socket(conn);
|
|
Packit |
90a5c9 |
apr_socket_timeout_get(csd, &cur_timeout);
|
|
Packit |
90a5c9 |
if (cur_timeout != conn->base_server->timeout) {
|
|
Packit |
90a5c9 |
apr_socket_timeout_set(csd, conn->base_server->timeout);
|
|
Packit |
90a5c9 |
cur_timeout = conn->base_server->timeout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!r->assbackwards) {
|
|
Packit |
90a5c9 |
const char *tenc;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_get_mime_headers_core(r, tmp_bb);
|
|
Packit |
90a5c9 |
if (r->status != HTTP_OK) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00567)
|
|
Packit |
90a5c9 |
"request failed: error reading the headers");
|
|
Packit |
90a5c9 |
ap_send_error_response(r, 0);
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
tenc = apr_table_get(r->headers_in, "Transfer-Encoding");
|
|
Packit |
90a5c9 |
if (tenc) {
|
|
Packit |
90a5c9 |
/* http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-23
|
|
Packit |
90a5c9 |
* Section 3.3.3.3: "If a Transfer-Encoding header field is
|
|
Packit |
90a5c9 |
* present in a request and the chunked transfer coding is not
|
|
Packit |
90a5c9 |
* the final encoding ...; the server MUST respond with the 400
|
|
Packit |
90a5c9 |
* (Bad Request) status code and then close the connection".
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (!(strcasecmp(tenc, "chunked") == 0 /* fast path */
|
|
Packit |
90a5c9 |
|| ap_find_last_token(r->pool, tenc, "chunked"))) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(02539)
|
|
Packit |
90a5c9 |
"client sent unknown Transfer-Encoding "
|
|
Packit |
90a5c9 |
"(%s): %s", tenc, r->uri);
|
|
Packit |
90a5c9 |
r->status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
conn->keepalive = AP_CONN_CLOSE;
|
|
Packit |
90a5c9 |
ap_send_error_response(r, 0);
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-23
|
|
Packit |
90a5c9 |
* Section 3.3.3.3: "If a message is received with both a
|
|
Packit |
90a5c9 |
* Transfer-Encoding and a Content-Length header field, the
|
|
Packit |
90a5c9 |
* Transfer-Encoding overrides the Content-Length. ... A sender
|
|
Packit |
90a5c9 |
* MUST remove the received Content-Length field".
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_table_unset(r->headers_in, "Content-Length");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
apr_brigade_destroy(tmp_bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* update what we think the virtual host is based on the headers we've
|
|
Packit |
90a5c9 |
* now read. may update status.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
ap_update_vhost_from_headers(r);
|
|
Packit |
90a5c9 |
access_status = r->status;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Toggle to the Host:-based vhost's timeout mode to fetch the
|
|
Packit |
90a5c9 |
* request body and send the response body, if needed.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (cur_timeout != r->server->timeout) {
|
|
Packit |
90a5c9 |
apr_socket_timeout_set(csd, r->server->timeout);
|
|
Packit |
90a5c9 |
cur_timeout = r->server->timeout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* we may have switched to another server */
|
|
Packit |
90a5c9 |
r->per_dir_config = r->server->lookup_defaults;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if ((!r->hostname && (r->proto_num >= HTTP_VERSION(1, 1)))
|
|
Packit |
90a5c9 |
|| ((r->proto_num == HTTP_VERSION(1, 1))
|
|
Packit |
90a5c9 |
&& !apr_table_get(r->headers_in, "Host"))) {
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Client sent us an HTTP/1.1 or later request without telling us the
|
|
Packit |
90a5c9 |
* hostname, either with a full URL or a Host: header. We therefore
|
|
Packit |
90a5c9 |
* need to (as per the 1.1 spec) send an error. As a special case,
|
|
Packit |
90a5c9 |
* HTTP/1.1 mentions twice (S9, S14.23) that a request MUST contain
|
|
Packit |
90a5c9 |
* a Host: header, and the server MUST respond with 400 if it doesn't.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
access_status = HTTP_BAD_REQUEST;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00569)
|
|
Packit |
90a5c9 |
"client sent HTTP/1.1 request without hostname "
|
|
Packit |
90a5c9 |
"(see RFC2616 section 14.23): %s", r->uri);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Add the HTTP_IN filter here to ensure that ap_discard_request_body
|
|
Packit |
90a5c9 |
* called by ap_die and by ap_send_error_response works correctly on
|
|
Packit |
90a5c9 |
* status codes that do not cause the connection to be dropped and
|
|
Packit |
90a5c9 |
* in situations where the connection should be kept alive.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_add_input_filter_handle(ap_http_input_filter_handle,
|
|
Packit |
90a5c9 |
NULL, r, r->connection);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (access_status != HTTP_OK
|
|
Packit |
90a5c9 |
|| (access_status = ap_run_post_read_request(r))) {
|
|
Packit |
90a5c9 |
ap_die(access_status, r);
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
r = NULL;
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (((expect = apr_table_get(r->headers_in, "Expect")) != NULL)
|
|
Packit |
90a5c9 |
&& (expect[0] != '\0')) {
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* The Expect header field was added to HTTP/1.1 after RFC 2068
|
|
Packit |
90a5c9 |
* as a means to signal when a 100 response is desired and,
|
|
Packit |
90a5c9 |
* unfortunately, to signal a poor man's mandatory extension that
|
|
Packit |
90a5c9 |
* the server must understand or return 417 Expectation Failed.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (strcasecmp(expect, "100-continue") == 0) {
|
|
Packit |
90a5c9 |
r->expecting_100 = 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
r->status = HTTP_EXPECTATION_FAILED;
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00570)
|
|
Packit |
90a5c9 |
"client sent an unrecognized expectation value of "
|
|
Packit |
90a5c9 |
"Expect: %s", expect);
|
|
Packit |
90a5c9 |
ap_send_error_response(r, 0);
|
|
Packit |
90a5c9 |
ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
|
|
Packit |
90a5c9 |
ap_run_log_transaction(r);
|
|
Packit |
90a5c9 |
goto traceout;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_READ_REQUEST_SUCCESS((uintptr_t)r, (char *)r->method, (char *)r->uri, (char *)r->server->defn_name, r->status);
|
|
Packit |
90a5c9 |
return r;
|
|
Packit |
90a5c9 |
traceout:
|
|
Packit |
90a5c9 |
AP_READ_REQUEST_FAILURE((uintptr_t)r);
|
|
Packit |
90a5c9 |
return r;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* if a request with a body creates a subrequest, remove original request's
|
|
Packit |
90a5c9 |
* input headers which pertain to the body which has already been read.
|
|
Packit |
90a5c9 |
* out-of-line helper function for ap_set_sub_req_protocol.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static void strip_headers_request_body(request_rec *rnew)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Encoding");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Language");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Length");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Location");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-MD5");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Range");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Content-Type");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Expires");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Last-Modified");
|
|
Packit |
90a5c9 |
apr_table_unset(rnew->headers_in, "Transfer-Encoding");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* A couple of other functions which initialize some of the fields of
|
|
Packit |
90a5c9 |
* a request structure, as appropriate for adjuncts of one kind or another
|
|
Packit |
90a5c9 |
* to a request in progress. Best here, rather than elsewhere, since
|
|
Packit |
90a5c9 |
* *someone* has to set the protocol-specific fields...
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_set_sub_req_protocol(request_rec *rnew,
|
|
Packit |
90a5c9 |
const request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
rnew->the_request = r->the_request; /* Keep original request-line */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rnew->assbackwards = 1; /* Don't send headers from this. */
|
|
Packit |
90a5c9 |
rnew->no_local_copy = 1; /* Don't try to send HTTP_NOT_MODIFIED for a
|
|
Packit |
90a5c9 |
* fragment. */
|
|
Packit |
90a5c9 |
rnew->method = "GET";
|
|
Packit |
90a5c9 |
rnew->method_number = M_GET;
|
|
Packit |
90a5c9 |
rnew->protocol = "INCLUDED";
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rnew->status = HTTP_OK;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rnew->headers_in = apr_table_copy(rnew->pool, r->headers_in);
|
|
Packit |
90a5c9 |
rnew->trailers_in = apr_table_copy(rnew->pool, r->trailers_in);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* did the original request have a body? (e.g. POST w/SSI tags)
|
|
Packit |
90a5c9 |
* if so, make sure the subrequest doesn't inherit body headers
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (!r->kept_body && (apr_table_get(r->headers_in, "Content-Length")
|
|
Packit |
90a5c9 |
|| apr_table_get(r->headers_in, "Transfer-Encoding"))) {
|
|
Packit |
90a5c9 |
strip_headers_request_body(rnew);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
rnew->subprocess_env = apr_table_copy(rnew->pool, r->subprocess_env);
|
|
Packit |
90a5c9 |
rnew->headers_out = apr_table_make(rnew->pool, 5);
|
|
Packit |
90a5c9 |
rnew->err_headers_out = apr_table_make(rnew->pool, 5);
|
|
Packit |
90a5c9 |
rnew->trailers_out = apr_table_make(rnew->pool, 5);
|
|
Packit |
90a5c9 |
rnew->notes = apr_table_make(rnew->pool, 5);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rnew->expecting_100 = r->expecting_100;
|
|
Packit |
90a5c9 |
rnew->read_length = r->read_length;
|
|
Packit |
90a5c9 |
rnew->read_body = REQUEST_NO_BODY;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rnew->main = (request_rec *) r;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static void end_output_stream(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
conn_rec *c = r->connection;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *bb;
|
|
Packit |
90a5c9 |
apr_bucket *b;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
bb = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
Packit |
90a5c9 |
b = apr_bucket_eos_create(c->bucket_alloc);
|
|
Packit |
90a5c9 |
APR_BRIGADE_INSERT_TAIL(bb, b);
|
|
Packit |
90a5c9 |
ap_pass_brigade(r->output_filters, bb);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_finalize_sub_req_protocol(request_rec *sub)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
/* tell the filter chain there is no more content coming */
|
|
Packit |
90a5c9 |
if (!sub->eos_sent) {
|
|
Packit |
90a5c9 |
end_output_stream(sub);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* finalize_request_protocol is called at completion of sending the
|
|
Packit |
90a5c9 |
* response. Its sole purpose is to send the terminating protocol
|
|
Packit |
90a5c9 |
* information for any wrappers around the response message body
|
|
Packit |
90a5c9 |
* (i.e., transfer encodings). It should have been named finalize_response.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_finalize_request_protocol(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
(void) ap_discard_request_body(r);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* tell the filter chain there is no more content coming */
|
|
Packit |
90a5c9 |
if (!r->eos_sent) {
|
|
Packit |
90a5c9 |
end_output_stream(r);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Support for the Basic authentication protocol, and a bit for Digest.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_note_auth_failure(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *type = ap_auth_type(r);
|
|
Packit |
90a5c9 |
if (type) {
|
|
Packit |
90a5c9 |
ap_run_note_auth_failure(r, type);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00571)
|
|
Packit |
90a5c9 |
"need AuthType to note auth failure: %s", r->uri);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_note_basic_auth_failure(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
ap_note_auth_failure(r);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_note_digest_auth_failure(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
ap_note_auth_failure(r);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_get_basic_auth_pw(request_rec *r, const char **pw)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *auth_line = apr_table_get(r->headers_in,
|
|
Packit |
90a5c9 |
(PROXYREQ_PROXY == r->proxyreq)
|
|
Packit |
90a5c9 |
? "Proxy-Authorization"
|
|
Packit |
90a5c9 |
: "Authorization");
|
|
Packit |
90a5c9 |
const char *t;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!(t = ap_auth_type(r)) || strcasecmp(t, "Basic"))
|
|
Packit |
90a5c9 |
return DECLINED;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!ap_auth_name(r)) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00572)
|
|
Packit |
90a5c9 |
"need AuthName: %s", r->uri);
|
|
Packit |
90a5c9 |
return HTTP_INTERNAL_SERVER_ERROR;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!auth_line) {
|
|
Packit |
90a5c9 |
ap_note_auth_failure(r);
|
|
Packit |
90a5c9 |
return HTTP_UNAUTHORIZED;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (strcasecmp(ap_getword(r->pool, &auth_line, ' '), "Basic")) {
|
|
Packit |
90a5c9 |
/* Client tried to authenticate using wrong auth scheme */
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(00573)
|
|
Packit |
90a5c9 |
"client used wrong authentication scheme: %s", r->uri);
|
|
Packit |
90a5c9 |
ap_note_auth_failure(r);
|
|
Packit |
90a5c9 |
return HTTP_UNAUTHORIZED;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
while (*auth_line == ' ' || *auth_line == '\t') {
|
|
Packit |
90a5c9 |
auth_line++;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
t = ap_pbase64decode(r->pool, auth_line);
|
|
Packit |
90a5c9 |
r->user = ap_getword_nulls (r->pool, &t, ':');
|
|
Packit |
90a5c9 |
apr_table_setn(r->notes, AP_GET_BASIC_AUTH_PW_NOTE, "1");
|
|
Packit |
90a5c9 |
r->ap_auth_type = "Basic";
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
*pw = t;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return OK;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_get_basic_auth_components(const request_rec *r,
|
|
Packit |
90a5c9 |
const char **username,
|
|
Packit |
90a5c9 |
const char **password)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *auth_header;
|
|
Packit |
90a5c9 |
const char *credentials;
|
|
Packit |
90a5c9 |
const char *decoded;
|
|
Packit |
90a5c9 |
const char *user;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
auth_header = (PROXYREQ_PROXY == r->proxyreq) ? "Proxy-Authorization"
|
|
Packit |
90a5c9 |
: "Authorization";
|
|
Packit |
90a5c9 |
credentials = apr_table_get(r->headers_in, auth_header);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!credentials) {
|
|
Packit |
90a5c9 |
/* No auth header. */
|
|
Packit |
90a5c9 |
return APR_EINVAL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (ap_cstr_casecmp(ap_getword(r->pool, &credentials, ' '), "Basic")) {
|
|
Packit |
90a5c9 |
/* These aren't Basic credentials. */
|
|
Packit |
90a5c9 |
return APR_EINVAL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
while (*credentials == ' ' || *credentials == '\t') {
|
|
Packit |
90a5c9 |
credentials++;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* XXX Our base64 decoding functions don't actually error out if the string
|
|
Packit |
90a5c9 |
* we give it isn't base64; they'll just silently stop and hand us whatever
|
|
Packit |
90a5c9 |
* they've parsed up to that point.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* Since this function is supposed to be a drop-in replacement for the
|
|
Packit |
90a5c9 |
* deprecated ap_get_basic_auth_pw(), don't fix this for 2.4.x.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
decoded = ap_pbase64decode(r->pool, credentials);
|
|
Packit |
90a5c9 |
user = ap_getword_nulls(r->pool, &decoded, ':');
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (username) {
|
|
Packit |
90a5c9 |
*username = user;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (password) {
|
|
Packit |
90a5c9 |
*password = decoded;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return APR_SUCCESS;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
struct content_length_ctx {
|
|
Packit |
90a5c9 |
int data_sent; /* true if the C-L filter has already sent at
|
|
Packit |
90a5c9 |
* least one bucket on to the next output filter
|
|
Packit |
90a5c9 |
* for this request
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
apr_bucket_brigade *tmpbb;
|
|
Packit |
90a5c9 |
};
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* This filter computes the content length, but it also computes the number
|
|
Packit |
90a5c9 |
* of bytes sent to the client. This means that this filter will always run
|
|
Packit |
90a5c9 |
* through all of the buckets in all brigades
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_CORE_DECLARE_NONSTD(apr_status_t) ap_content_length_filter(
|
|
Packit |
90a5c9 |
ap_filter_t *f,
|
|
Packit |
90a5c9 |
apr_bucket_brigade *b)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
request_rec *r = f->r;
|
|
Packit |
90a5c9 |
struct content_length_ctx *ctx;
|
|
Packit |
90a5c9 |
apr_bucket *e;
|
|
Packit |
90a5c9 |
int eos = 0;
|
|
Packit |
90a5c9 |
apr_read_type_e eblock = APR_NONBLOCK_READ;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ctx = f->ctx;
|
|
Packit |
90a5c9 |
if (!ctx) {
|
|
Packit |
90a5c9 |
f->ctx = ctx = apr_palloc(r->pool, sizeof(*ctx));
|
|
Packit |
90a5c9 |
ctx->data_sent = 0;
|
|
Packit |
90a5c9 |
ctx->tmpbb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Loop through the brigade to count the length. To avoid
|
|
Packit |
90a5c9 |
* arbitrary memory consumption with morphing bucket types, this
|
|
Packit |
90a5c9 |
* loop will stop and pass on the brigade when necessary. */
|
|
Packit |
90a5c9 |
e = APR_BRIGADE_FIRST(b);
|
|
Packit |
90a5c9 |
while (e != APR_BRIGADE_SENTINEL(b)) {
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (APR_BUCKET_IS_EOS(e)) {
|
|
Packit |
90a5c9 |
eos = 1;
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
/* For a flush bucket, fall through to pass the brigade and
|
|
Packit |
90a5c9 |
* flush now. */
|
|
Packit |
90a5c9 |
else if (APR_BUCKET_IS_FLUSH(e)) {
|
|
Packit |
90a5c9 |
e = APR_BUCKET_NEXT(e);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
/* For metadata bucket types other than FLUSH, loop. */
|
|
Packit |
90a5c9 |
else if (APR_BUCKET_IS_METADATA(e)) {
|
|
Packit |
90a5c9 |
e = APR_BUCKET_NEXT(e);
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
/* For determinate length data buckets, count the length and
|
|
Packit |
90a5c9 |
* continue. */
|
|
Packit |
90a5c9 |
else if (e->length != (apr_size_t)-1) {
|
|
Packit |
90a5c9 |
r->bytes_sent += e->length;
|
|
Packit |
90a5c9 |
e = APR_BUCKET_NEXT(e);
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
/* For indeterminate length data buckets, perform one read. */
|
|
Packit |
90a5c9 |
else /* e->length == (apr_size_t)-1 */ {
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
const char *ignored;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = apr_bucket_read(e, &ignored, &len, eblock);
|
|
Packit |
90a5c9 |
if ((rv != APR_SUCCESS) && !APR_STATUS_IS_EAGAIN(rv)) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(00574)
|
|
Packit |
90a5c9 |
"ap_content_length_filter: "
|
|
Packit |
90a5c9 |
"apr_bucket_read() failed");
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (rv == APR_SUCCESS) {
|
|
Packit |
90a5c9 |
eblock = APR_NONBLOCK_READ;
|
|
Packit |
90a5c9 |
e = APR_BUCKET_NEXT(e);
|
|
Packit |
90a5c9 |
r->bytes_sent += len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (APR_STATUS_IS_EAGAIN(rv)) {
|
|
Packit |
90a5c9 |
apr_bucket *flush;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Next read must block. */
|
|
Packit |
90a5c9 |
eblock = APR_BLOCK_READ;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Ensure the last bucket to pass down is a flush if
|
|
Packit |
90a5c9 |
* the next read will block. */
|
|
Packit |
90a5c9 |
flush = apr_bucket_flush_create(f->c->bucket_alloc);
|
|
Packit |
90a5c9 |
APR_BUCKET_INSERT_BEFORE(e, flush);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Optimization: if the next bucket is EOS (directly after a
|
|
Packit |
90a5c9 |
* bucket morphed to the heap, or a flush), short-cut to
|
|
Packit |
90a5c9 |
* handle EOS straight away - allowing C-L to be determined
|
|
Packit |
90a5c9 |
* for content which is already entirely in memory. */
|
|
Packit |
90a5c9 |
if (e != APR_BRIGADE_SENTINEL(b) && APR_BUCKET_IS_EOS(e)) {
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* On reaching here, pass on everything in the brigade up to
|
|
Packit |
90a5c9 |
* this point. */
|
|
Packit |
90a5c9 |
apr_brigade_split_ex(b, e, ctx->tmpbb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_pass_brigade(f->next, b);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (f->c->aborted) {
|
|
Packit |
90a5c9 |
return APR_ECONNABORTED;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(b);
|
|
Packit |
90a5c9 |
APR_BRIGADE_CONCAT(b, ctx->tmpbb);
|
|
Packit |
90a5c9 |
e = APR_BRIGADE_FIRST(b);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ctx->data_sent = 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If we've now seen the entire response and it's otherwise
|
|
Packit |
90a5c9 |
* okay to set the C-L in the response header, then do so now.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* We can only set a C-L in the response header if we haven't already
|
|
Packit |
90a5c9 |
* sent any buckets on to the next output filter for this request.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (ctx->data_sent == 0 && eos &&
|
|
Packit |
90a5c9 |
/* don't whack the C-L if it has already been set for a HEAD
|
|
Packit |
90a5c9 |
* by something like proxy. the brigade only has an EOS bucket
|
|
Packit |
90a5c9 |
* in this case, making r->bytes_sent zero.
|
|
Packit |
90a5c9 |
*
|
|
Packit |
90a5c9 |
* if r->bytes_sent > 0 we have a (temporary) body whose length may
|
|
Packit |
90a5c9 |
* have been changed by a filter. the C-L header might not have been
|
|
Packit |
90a5c9 |
* updated so we do it here. long term it would be cleaner to have
|
|
Packit |
90a5c9 |
* such filters update or remove the C-L header, and just use it
|
|
Packit |
90a5c9 |
* if present.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
!((r->header_only || AP_STATUS_IS_HEADER_ONLY(r->status)) && r->bytes_sent == 0 &&
|
|
Packit |
90a5c9 |
apr_table_get(r->headers_out, "Content-Length"))) {
|
|
Packit |
90a5c9 |
ap_set_content_length(r, r->bytes_sent);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ctx->data_sent = 1;
|
|
Packit |
90a5c9 |
return ap_pass_brigade(f->next, b);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Send the body of a response to the client.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_send_fd(apr_file_t *fd, request_rec *r,
|
|
Packit |
90a5c9 |
apr_off_t offset, apr_size_t len,
|
|
Packit |
90a5c9 |
apr_size_t *nbytes)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
conn_rec *c = r->connection;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *bb = NULL;
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
bb = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
apr_brigade_insert_file(bb, fd, offset, len, r->pool);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_pass_brigade(r->output_filters, bb);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
*nbytes = 0; /* no way to tell how many were actually sent */
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
*nbytes = len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#if APR_HAS_MMAP
|
|
Packit |
90a5c9 |
/* send data from an in-memory buffer */
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_size_t) ap_send_mmap(apr_mmap_t *mm,
|
|
Packit |
90a5c9 |
request_rec *r,
|
|
Packit |
90a5c9 |
apr_size_t offset,
|
|
Packit |
90a5c9 |
apr_size_t length)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
conn_rec *c = r->connection;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *bb = NULL;
|
|
Packit |
90a5c9 |
apr_bucket *b;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
bb = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
Packit |
90a5c9 |
b = apr_bucket_mmap_create(mm, offset, length, c->bucket_alloc);
|
|
Packit |
90a5c9 |
APR_BRIGADE_INSERT_TAIL(bb, b);
|
|
Packit |
90a5c9 |
ap_pass_brigade(r->output_filters, bb);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return mm->size; /* XXX - change API to report apr_status_t? */
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
#endif /* APR_HAS_MMAP */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
typedef struct {
|
|
Packit |
90a5c9 |
apr_bucket_brigade *bb;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *tmpbb;
|
|
Packit |
90a5c9 |
} old_write_filter_ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_CORE_DECLARE_NONSTD(apr_status_t) ap_old_write_filter(
|
|
Packit |
90a5c9 |
ap_filter_t *f, apr_bucket_brigade *bb)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
old_write_filter_ctx *ctx = f->ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DEBUG_ASSERT(ctx);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (ctx->bb != NULL) {
|
|
Packit |
90a5c9 |
/* whatever is coming down the pipe (we don't care), we
|
|
Packit |
90a5c9 |
* can simply insert our buffered data at the front and
|
|
Packit |
90a5c9 |
* pass the whole bundle down the chain.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
APR_BRIGADE_PREPEND(bb, ctx->bb);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return ap_pass_brigade(f->next, bb);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static ap_filter_t *insert_old_write_filter(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
ap_filter_t *f;
|
|
Packit |
90a5c9 |
old_write_filter_ctx *ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* future optimization: record some flags in the request_rec to
|
|
Packit |
90a5c9 |
* say whether we've added our filter, and whether it is first.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* this will typically exit on the first test */
|
|
Packit |
90a5c9 |
for (f = r->output_filters; f != NULL; f = f->next) {
|
|
Packit |
90a5c9 |
if (ap_old_write_func == f->frec)
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (f == NULL) {
|
|
Packit |
90a5c9 |
/* our filter hasn't been added yet */
|
|
Packit |
90a5c9 |
ctx = apr_pcalloc(r->pool, sizeof(*ctx));
|
|
Packit |
90a5c9 |
ctx->tmpbb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_add_output_filter("OLD_WRITE", ctx, r, r->connection);
|
|
Packit |
90a5c9 |
f = r->output_filters;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return f;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
static apr_status_t buffer_output(request_rec *r,
|
|
Packit |
90a5c9 |
const char *str, apr_size_t len)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
conn_rec *c = r->connection;
|
|
Packit |
90a5c9 |
ap_filter_t *f;
|
|
Packit |
90a5c9 |
old_write_filter_ctx *ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (len == 0)
|
|
Packit |
90a5c9 |
return APR_SUCCESS;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
f = insert_old_write_filter(r);
|
|
Packit |
90a5c9 |
ctx = f->ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* if the first filter is not our buffering filter, then we have to
|
|
Packit |
90a5c9 |
* deliver the content through the normal filter chain
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (f != r->output_filters) {
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
apr_bucket *b = apr_bucket_transient_create(str, len, c->bucket_alloc);
|
|
Packit |
90a5c9 |
APR_BRIGADE_INSERT_TAIL(ctx->tmpbb, b);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_pass_brigade(r->output_filters, ctx->tmpbb);
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(ctx->tmpbb);
|
|
Packit |
90a5c9 |
return rv;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (ctx->bb == NULL) {
|
|
Packit |
90a5c9 |
ctx->bb = apr_brigade_create(r->pool, c->bucket_alloc);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return ap_fwrite(f->next, ctx->bb, str, len);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_rputc(int c, request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
char c2 = (char)c;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->connection->aborted) {
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (buffer_output(r, &c2, 1) != APR_SUCCESS)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return c;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
if (r->connection->aborted)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (buffer_output(r, buf, nbyte) != APR_SUCCESS)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return nbyte;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
struct ap_vrprintf_data {
|
|
Packit |
90a5c9 |
apr_vformatter_buff_t vbuff;
|
|
Packit |
90a5c9 |
request_rec *r;
|
|
Packit |
90a5c9 |
char *buff;
|
|
Packit |
90a5c9 |
};
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Flush callback for apr_vformatter; returns -1 on error. */
|
|
Packit |
90a5c9 |
static int r_flush(apr_vformatter_buff_t *buff)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
/* callback function passed to ap_vformatter to be called when
|
|
Packit |
90a5c9 |
* vformatter needs to write into buff and buff.curpos > buff.endpos */
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* ap_vrprintf_data passed as a apr_vformatter_buff_t, which is then
|
|
Packit |
90a5c9 |
* "downcast" to an ap_vrprintf_data */
|
|
Packit |
90a5c9 |
struct ap_vrprintf_data *vd = (struct ap_vrprintf_data*)buff;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (vd->r->connection->aborted)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* r_flush is called when vbuff is completely full */
|
|
Packit |
90a5c9 |
if (buffer_output(vd->r, vd->buff, AP_IOBUFSIZE)) {
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* reset the buffer position */
|
|
Packit |
90a5c9 |
vd->vbuff.curpos = vd->buff;
|
|
Packit |
90a5c9 |
vd->vbuff.endpos = vd->buff + AP_IOBUFSIZE;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_vrprintf(request_rec *r, const char *fmt, va_list va)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_size_t written;
|
|
Packit |
90a5c9 |
struct ap_vrprintf_data vd;
|
|
Packit |
90a5c9 |
char vrprintf_buf[AP_IOBUFSIZE];
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
vd.vbuff.curpos = vrprintf_buf;
|
|
Packit |
90a5c9 |
vd.vbuff.endpos = vrprintf_buf + AP_IOBUFSIZE;
|
|
Packit |
90a5c9 |
vd.r = r;
|
|
Packit |
90a5c9 |
vd.buff = vrprintf_buf;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->connection->aborted)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
written = apr_vformatter(r_flush, &vd.vbuff, fmt, va);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (written != -1) {
|
|
Packit |
90a5c9 |
int n = vd.vbuff.curpos - vrprintf_buf;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* last call to buffer_output, to finish clearing the buffer */
|
|
Packit |
90a5c9 |
if (buffer_output(r, vrprintf_buf,n) != APR_SUCCESS)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
written += n;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return written;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE_NONSTD(int) ap_rprintf(request_rec *r, const char *fmt, ...)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
va_list va;
|
|
Packit |
90a5c9 |
int n;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->connection->aborted)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
va_start(va, fmt);
|
|
Packit |
90a5c9 |
n = ap_vrprintf(r, fmt, va);
|
|
Packit |
90a5c9 |
va_end(va);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return n;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE_NONSTD(int) ap_rvputs(request_rec *r, ...)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
va_list va;
|
|
Packit |
90a5c9 |
const char *s;
|
|
Packit |
90a5c9 |
apr_size_t len;
|
|
Packit |
90a5c9 |
apr_size_t written = 0;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->connection->aborted)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* ### TODO: if the total output is large, put all the strings
|
|
Packit |
90a5c9 |
* ### into a single brigade, rather than flushing each time we
|
|
Packit |
90a5c9 |
* ### fill the buffer
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
va_start(va, r);
|
|
Packit |
90a5c9 |
while (1) {
|
|
Packit |
90a5c9 |
s = va_arg(va, const char *);
|
|
Packit |
90a5c9 |
if (s == NULL)
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
len = strlen(s);
|
|
Packit |
90a5c9 |
if (buffer_output(r, s, len) != APR_SUCCESS) {
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
written += len;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
va_end(va);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return written;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_rflush(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
conn_rec *c = r->connection;
|
|
Packit |
90a5c9 |
apr_bucket *b;
|
|
Packit |
90a5c9 |
ap_filter_t *f;
|
|
Packit |
90a5c9 |
old_write_filter_ctx *ctx;
|
|
Packit |
90a5c9 |
apr_status_t rv;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
f = insert_old_write_filter(r);
|
|
Packit |
90a5c9 |
ctx = f->ctx;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
b = apr_bucket_flush_create(c->bucket_alloc);
|
|
Packit |
90a5c9 |
APR_BRIGADE_INSERT_TAIL(ctx->tmpbb, b);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rv = ap_pass_brigade(r->output_filters, ctx->tmpbb);
|
|
Packit |
90a5c9 |
apr_brigade_cleanup(ctx->tmpbb);
|
|
Packit |
90a5c9 |
if (rv != APR_SUCCESS)
|
|
Packit |
90a5c9 |
return -1;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* This function sets the Last-Modified output header field to the value
|
|
Packit |
90a5c9 |
* of the mtime field in the request structure - rationalized to keep it from
|
|
Packit |
90a5c9 |
* being in the future.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_set_last_modified(request_rec *r)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
if (!r->assbackwards) {
|
|
Packit |
90a5c9 |
apr_time_t mod_time = ap_rationalize_mtime(r, r->mtime);
|
|
Packit |
90a5c9 |
char *datestr = apr_palloc(r->pool, APR_RFC822_DATE_LEN);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
apr_rfc822_date(datestr, mod_time);
|
|
Packit |
90a5c9 |
apr_table_setn(r->headers_out, "Last-Modified", datestr);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
typedef struct hdr_ptr {
|
|
Packit |
90a5c9 |
ap_filter_t *f;
|
|
Packit |
90a5c9 |
apr_bucket_brigade *bb;
|
|
Packit |
90a5c9 |
} hdr_ptr;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
#if APR_CHARSET_EBCDIC
|
|
Packit |
90a5c9 |
static int send_header(void *data, const char *key, const char *val)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
char *header_line = NULL;
|
|
Packit |
90a5c9 |
hdr_ptr *hdr = (hdr_ptr*)data;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
header_line = apr_pstrcat(hdr->bb->p, key, ": ", val, CRLF, NULL);
|
|
Packit |
90a5c9 |
ap_xlate_proto_to_ascii(header_line, strlen(header_line));
|
|
Packit |
90a5c9 |
ap_fputs(hdr->f, hdr->bb, header_line);
|
|
Packit |
90a5c9 |
return 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
#else
|
|
Packit |
90a5c9 |
static int send_header(void *data, const char *key, const char *val)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
ap_fputstrs(((hdr_ptr*)data)->f, ((hdr_ptr*)data)->bb,
|
|
Packit |
90a5c9 |
key, ": ", val, CRLF, NULL);
|
|
Packit |
90a5c9 |
return 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
#endif
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(void) ap_send_interim_response(request_rec *r, int send_headers)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
hdr_ptr x;
|
|
Packit |
90a5c9 |
char *status_line = NULL;
|
|
Packit |
90a5c9 |
request_rec *rr;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (r->proto_num < HTTP_VERSION(1,1)) {
|
|
Packit |
90a5c9 |
/* don't send interim response to HTTP/1.0 Client */
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (!ap_is_HTTP_INFO(r->status)) {
|
|
Packit |
90a5c9 |
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(00575)
|
|
Packit |
90a5c9 |
"Status is %d - not sending interim response", r->status);
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if ((r->status == HTTP_CONTINUE) && !r->expecting_100) {
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Don't send 100-Continue when there was no Expect: 100-continue
|
|
Packit |
90a5c9 |
* in the request headers. For origin servers this is a SHOULD NOT
|
|
Packit |
90a5c9 |
* for proxies it is a MUST NOT according to RFC 2616 8.2.3
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
return;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* if we send an interim response, we're no longer in a state of
|
|
Packit |
90a5c9 |
* expecting one. Also, this could feasibly be in a subrequest,
|
|
Packit |
90a5c9 |
* so we need to propagate the fact that we responded.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
for (rr = r; rr != NULL; rr = rr->main) {
|
|
Packit |
90a5c9 |
rr->expecting_100 = 0;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
status_line = apr_pstrcat(r->pool, AP_SERVER_PROTOCOL, " ", r->status_line, CRLF, NULL);
|
|
Packit |
90a5c9 |
ap_xlate_proto_to_ascii(status_line, strlen(status_line));
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
x.f = r->connection->output_filters;
|
|
Packit |
90a5c9 |
x.bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
ap_fputs(x.f, x.bb, status_line);
|
|
Packit |
90a5c9 |
if (send_headers) {
|
|
Packit |
90a5c9 |
apr_table_do(send_header, &x, r->headers_out, NULL);
|
|
Packit |
90a5c9 |
apr_table_clear(r->headers_out);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
ap_fputs(x.f, x.bb, CRLF_ASCII);
|
|
Packit |
90a5c9 |
ap_fflush(x.f, x.bb);
|
|
Packit |
90a5c9 |
apr_brigade_destroy(x.bb);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/*
|
|
Packit |
90a5c9 |
* Compare two protocol identifier. Result is similar to strcmp():
|
|
Packit |
90a5c9 |
* 0 gives same precedence, >0 means proto1 is preferred.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
static int protocol_cmp(const apr_array_header_t *preferences,
|
|
Packit |
90a5c9 |
const char *proto1,
|
|
Packit |
90a5c9 |
const char *proto2)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
if (preferences && preferences->nelts > 0) {
|
|
Packit |
90a5c9 |
int index1 = ap_array_str_index(preferences, proto1, 0);
|
|
Packit |
90a5c9 |
int index2 = ap_array_str_index(preferences, proto2, 0);
|
|
Packit |
90a5c9 |
if (index2 > index1) {
|
|
Packit |
90a5c9 |
return (index1 >= 0) ? 1 : -1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (index1 > index2) {
|
|
Packit |
90a5c9 |
return (index2 >= 0) ? -1 : 1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
/* both have the same index (mabye -1 or no pref configured) and we compare
|
|
Packit |
90a5c9 |
* the names so that spdy3 gets precedence over spdy2. That makes
|
|
Packit |
90a5c9 |
* the outcome at least deterministic. */
|
|
Packit |
90a5c9 |
return strcmp(proto1, proto2);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(const char *) ap_get_protocol(conn_rec *c)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *protocol = ap_run_protocol_get(c);
|
|
Packit |
90a5c9 |
return protocol? protocol : AP_PROTOCOL_HTTP1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_get_protocol_upgrades(conn_rec *c, request_rec *r,
|
|
Packit |
90a5c9 |
server_rec *s, int report_all,
|
|
Packit |
90a5c9 |
const apr_array_header_t **pupgrades)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_pool_t *pool = r? r->pool : c->pool;
|
|
Packit |
90a5c9 |
core_server_config *conf;
|
|
Packit |
90a5c9 |
const char *existing;
|
|
Packit |
90a5c9 |
apr_array_header_t *upgrades = NULL;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!s) {
|
|
Packit |
90a5c9 |
s = (r? r->server : c->base_server);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
conf = ap_get_core_module_config(s->module_config);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (conf->protocols->nelts > 0) {
|
|
Packit |
90a5c9 |
existing = ap_get_protocol(c);
|
|
Packit |
90a5c9 |
if (conf->protocols->nelts > 1
|
|
Packit |
90a5c9 |
|| !ap_array_str_contains(conf->protocols, existing)) {
|
|
Packit |
90a5c9 |
int i;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* possibly more than one choice or one, but not the
|
|
Packit |
90a5c9 |
* existing. (TODO: maybe 426 and Upgrade then?) */
|
|
Packit |
90a5c9 |
upgrades = apr_array_make(pool, conf->protocols->nelts + 1,
|
|
Packit |
90a5c9 |
sizeof(char *));
|
|
Packit |
90a5c9 |
for (i = 0; i < conf->protocols->nelts; i++) {
|
|
Packit |
90a5c9 |
const char *p = APR_ARRAY_IDX(conf->protocols, i, char *);
|
|
Packit |
90a5c9 |
if (strcmp(existing, p)) {
|
|
Packit |
90a5c9 |
/* not the one we have and possible, add in this order */
|
|
Packit |
90a5c9 |
APR_ARRAY_PUSH(upgrades, const char*) = p;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (!report_all) {
|
|
Packit |
90a5c9 |
break;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
*pupgrades = upgrades;
|
|
Packit |
90a5c9 |
return APR_SUCCESS;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(const char *) ap_select_protocol(conn_rec *c, request_rec *r,
|
|
Packit |
90a5c9 |
server_rec *s,
|
|
Packit |
90a5c9 |
const apr_array_header_t *choices)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
apr_pool_t *pool = r? r->pool : c->pool;
|
|
Packit |
90a5c9 |
core_server_config *conf;
|
|
Packit |
90a5c9 |
const char *protocol = NULL, *existing;
|
|
Packit |
90a5c9 |
apr_array_header_t *proposals;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!s) {
|
|
Packit |
90a5c9 |
s = (r? r->server : c->base_server);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
conf = ap_get_core_module_config(s->module_config);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (APLOGcdebug(c)) {
|
|
Packit |
90a5c9 |
const char *p = apr_array_pstrcat(pool, conf->protocols, ',');
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03155)
|
|
Packit |
90a5c9 |
"select protocol from %s, choices=%s for server %s",
|
|
Packit |
90a5c9 |
p, apr_array_pstrcat(pool, choices, ','),
|
|
Packit |
90a5c9 |
s->server_hostname);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (conf->protocols->nelts <= 0) {
|
|
Packit |
90a5c9 |
/* nothing configured, by default, we only allow http/1.1 here.
|
|
Packit |
90a5c9 |
* For now...
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
if (ap_array_str_contains(choices, AP_PROTOCOL_HTTP1)) {
|
|
Packit |
90a5c9 |
return AP_PROTOCOL_HTTP1;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
return NULL;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
proposals = apr_array_make(pool, choices->nelts + 1, sizeof(char *));
|
|
Packit |
90a5c9 |
ap_run_protocol_propose(c, r, s, choices, proposals);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* If the existing protocol has not been proposed, but is a choice,
|
|
Packit |
90a5c9 |
* add it to the proposals implicitly.
|
|
Packit |
90a5c9 |
*/
|
|
Packit |
90a5c9 |
existing = ap_get_protocol(c);
|
|
Packit |
90a5c9 |
if (!ap_array_str_contains(proposals, existing)
|
|
Packit |
90a5c9 |
&& ap_array_str_contains(choices, existing)) {
|
|
Packit |
90a5c9 |
APR_ARRAY_PUSH(proposals, const char*) = existing;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (proposals->nelts > 0) {
|
|
Packit |
90a5c9 |
int i;
|
|
Packit |
90a5c9 |
const apr_array_header_t *prefs = NULL;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Default for protocols_honor_order is 'on' or != 0 */
|
|
Packit |
90a5c9 |
if (conf->protocols_honor_order == 0 && choices->nelts > 0) {
|
|
Packit |
90a5c9 |
prefs = choices;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else {
|
|
Packit |
90a5c9 |
prefs = conf->protocols;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
/* Select the most preferred protocol */
|
|
Packit |
90a5c9 |
if (APLOGcdebug(c)) {
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03156)
|
|
Packit |
90a5c9 |
"select protocol, proposals=%s preferences=%s configured=%s",
|
|
Packit |
90a5c9 |
apr_array_pstrcat(pool, proposals, ','),
|
|
Packit |
90a5c9 |
apr_array_pstrcat(pool, prefs, ','),
|
|
Packit |
90a5c9 |
apr_array_pstrcat(pool, conf->protocols, ','));
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
for (i = 0; i < proposals->nelts; ++i) {
|
|
Packit |
90a5c9 |
const char *p = APR_ARRAY_IDX(proposals, i, const char *);
|
|
Packit |
90a5c9 |
if (!ap_array_str_contains(conf->protocols, p)) {
|
|
Packit |
90a5c9 |
/* not a configured protocol here */
|
|
Packit |
90a5c9 |
continue;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
else if (!protocol
|
|
Packit |
90a5c9 |
|| (protocol_cmp(prefs, protocol, p) < 0)) {
|
|
Packit |
90a5c9 |
/* none selected yet or this one has preference */
|
|
Packit |
90a5c9 |
protocol = p;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
if (APLOGcdebug(c)) {
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(03157)
|
|
Packit |
90a5c9 |
"selected protocol=%s",
|
|
Packit |
90a5c9 |
protocol? protocol : "(none)");
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
return protocol;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(apr_status_t) ap_switch_protocol(conn_rec *c, request_rec *r,
|
|
Packit |
90a5c9 |
server_rec *s,
|
|
Packit |
90a5c9 |
const char *protocol)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
const char *current = ap_get_protocol(c);
|
|
Packit |
90a5c9 |
int rc;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!strcmp(current, protocol)) {
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, c, APLOGNO(02906)
|
|
Packit |
90a5c9 |
"already at it, protocol_switch to %s",
|
|
Packit |
90a5c9 |
protocol);
|
|
Packit |
90a5c9 |
return APR_SUCCESS;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
rc = ap_run_protocol_switch(c, r, s, protocol);
|
|
Packit |
90a5c9 |
switch (rc) {
|
|
Packit |
90a5c9 |
case DECLINED:
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c, APLOGNO(02907)
|
|
Packit |
90a5c9 |
"no implementation for protocol_switch to %s",
|
|
Packit |
90a5c9 |
protocol);
|
|
Packit |
90a5c9 |
return APR_ENOTIMPL;
|
|
Packit |
90a5c9 |
case OK:
|
|
Packit |
90a5c9 |
case DONE:
|
|
Packit |
90a5c9 |
return APR_SUCCESS;
|
|
Packit |
90a5c9 |
default:
|
|
Packit |
90a5c9 |
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c, APLOGNO(02905)
|
|
Packit |
90a5c9 |
"unexpected return code %d from protocol_switch to %s"
|
|
Packit |
90a5c9 |
, rc, protocol);
|
|
Packit |
90a5c9 |
return APR_EOF;
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_DECLARE(int) ap_is_allowed_protocol(conn_rec *c, request_rec *r,
|
|
Packit |
90a5c9 |
server_rec *s, const char *protocol)
|
|
Packit |
90a5c9 |
{
|
|
Packit |
90a5c9 |
core_server_config *conf;
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (!s) {
|
|
Packit |
90a5c9 |
s = (r? r->server : c->base_server);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
conf = ap_get_core_module_config(s->module_config);
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
if (conf->protocols->nelts > 0) {
|
|
Packit |
90a5c9 |
return ap_array_str_contains(conf->protocols, protocol);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
return !strcmp(AP_PROTOCOL_HTTP1, protocol);
|
|
Packit |
90a5c9 |
}
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_VOID(pre_read_request,
|
|
Packit |
90a5c9 |
(request_rec *r, conn_rec *c),
|
|
Packit |
90a5c9 |
(r, c))
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_ALL(int,post_read_request,
|
|
Packit |
90a5c9 |
(request_rec *r), (r), OK, DECLINED)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_ALL(int,log_transaction,
|
|
Packit |
90a5c9 |
(request_rec *r), (r), OK, DECLINED)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_FIRST(const char *,http_scheme,
|
|
Packit |
90a5c9 |
(const request_rec *r), (r), NULL)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_FIRST(unsigned short,default_port,
|
|
Packit |
90a5c9 |
(const request_rec *r), (r), 0)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_FIRST(int, note_auth_failure,
|
|
Packit |
90a5c9 |
(request_rec *r, const char *auth_type),
|
|
Packit |
90a5c9 |
(r, auth_type), DECLINED)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_ALL(int,protocol_propose,
|
|
Packit |
90a5c9 |
(conn_rec *c, request_rec *r, server_rec *s,
|
|
Packit |
90a5c9 |
const apr_array_header_t *offers,
|
|
Packit |
90a5c9 |
apr_array_header_t *proposals),
|
|
Packit |
90a5c9 |
(c, r, s, offers, proposals), OK, DECLINED)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_FIRST(int,protocol_switch,
|
|
Packit |
90a5c9 |
(conn_rec *c, request_rec *r, server_rec *s,
|
|
Packit |
90a5c9 |
const char *protocol),
|
|
Packit |
90a5c9 |
(c, r, s, protocol), DECLINED)
|
|
Packit |
90a5c9 |
AP_IMPLEMENT_HOOK_RUN_FIRST(const char *,protocol_get,
|
|
Packit |
90a5c9 |
(const conn_rec *c), (c), NULL)
|