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-rw-r--r--rubbos/app/httpd-2.0.64/server/protocol.c1573
1 files changed, 0 insertions, 1573 deletions
diff --git a/rubbos/app/httpd-2.0.64/server/protocol.c b/rubbos/app/httpd-2.0.64/server/protocol.c
deleted file mode 100644
index 1e624f3d..00000000
--- a/rubbos/app/httpd-2.0.64/server/protocol.c
+++ /dev/null
@@ -1,1573 +0,0 @@
-/* Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * http_protocol.c --- routines which directly communicate with the client.
- *
- * Code originally by Rob McCool; much redone by Robert S. Thau
- * and the Apache Software Foundation.
- */
-
-#include "apr.h"
-#include "apr_strings.h"
-#include "apr_buckets.h"
-#include "apr_lib.h"
-#include "apr_signal.h"
-#include "apr_strmatch.h"
-
-#define APR_WANT_STDIO /* for sscanf */
-#define APR_WANT_STRFUNC
-#define APR_WANT_MEMFUNC
-#include "apr_want.h"
-
-#define CORE_PRIVATE
-#include "util_filter.h"
-#include "ap_config.h"
-#include "httpd.h"
-#include "http_config.h"
-#include "http_core.h"
-#include "http_protocol.h"
-#include "http_main.h"
-#include "http_request.h"
-#include "http_vhost.h"
-#include "http_log.h" /* For errors detected in basic auth common
- * support code... */
-#include "mod_core.h"
-#include "util_charset.h"
-#include "util_ebcdic.h"
-#include "scoreboard.h"
-
-#if APR_HAVE_STDARG_H
-#include <stdarg.h>
-#endif
-#if APR_HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-
-APR_HOOK_STRUCT(
- APR_HOOK_LINK(post_read_request)
- APR_HOOK_LINK(log_transaction)
- APR_HOOK_LINK(http_method)
- APR_HOOK_LINK(default_port)
-)
-
-AP_DECLARE_DATA ap_filter_rec_t *ap_old_write_func = NULL;
-
-
-/* Patterns to match in ap_make_content_type() */
-static const char *needcset[] = {
- "text/plain",
- "text/html",
- NULL
-};
-static const apr_strmatch_pattern **needcset_patterns;
-static const apr_strmatch_pattern *charset_pattern;
-
-AP_DECLARE(void) ap_setup_make_content_type(apr_pool_t *pool)
-{
- int i;
- for (i = 0; needcset[i]; i++) {
- continue;
- }
- needcset_patterns = (const apr_strmatch_pattern **)
- apr_palloc(pool, (i + 1) * sizeof(apr_strmatch_pattern *));
- for (i = 0; needcset[i]; i++) {
- needcset_patterns[i] = apr_strmatch_precompile(pool, needcset[i], 0);
- }
- needcset_patterns[i] = NULL;
- charset_pattern = apr_strmatch_precompile(pool, "charset=", 0);
-}
-
-/*
- * Builds the content-type that should be sent to the client from the
- * content-type specified. The following rules are followed:
- * - if type is NULL, type is set to ap_default_type(r)
- * - if charset adding is disabled, stop processing and return type.
- * - then, if there are no parameters on type, add the default charset
- * - return type
- */
-AP_DECLARE(const char *)ap_make_content_type(request_rec *r, const char *type)
-{
- const apr_strmatch_pattern **pcset;
- core_dir_config *conf =
- (core_dir_config *)ap_get_module_config(r->per_dir_config,
- &core_module);
- core_request_config *request_conf;
- apr_size_t type_len;
-
- if (!type) {
- type = ap_default_type(r);
- }
-
- if (conf->add_default_charset != ADD_DEFAULT_CHARSET_ON) {
- return type;
- }
-
- request_conf =
- ap_get_module_config(r->request_config, &core_module);
- if (request_conf->suppress_charset) {
- return type;
- }
-
- type_len = strlen(type);
-
- if (apr_strmatch(charset_pattern, type, type_len) != NULL) {
- /* already has parameter, do nothing */
- /* XXX we don't check the validity */
- ;
- }
- else {
- /* see if it makes sense to add the charset. At present,
- * we only add it if the Content-type is one of needcset[]
- */
- for (pcset = needcset_patterns; *pcset ; pcset++) {
- if (apr_strmatch(*pcset, type, type_len) != NULL) {
- struct iovec concat[3];
- concat[0].iov_base = (void *)type;
- concat[0].iov_len = type_len;
- concat[1].iov_base = (void *)"; charset=";
- concat[1].iov_len = sizeof("; charset=") - 1;
- concat[2].iov_base = (void *)(conf->add_default_charset_name);
- concat[2].iov_len = strlen(conf->add_default_charset_name);
- type = apr_pstrcatv(r->pool, concat, 3, NULL);
- break;
- }
- }
- }
-
- return type;
-}
-
-AP_DECLARE(void) ap_set_content_length(request_rec *r, apr_off_t clength)
-{
- r->clength = clength;
- apr_table_setn(r->headers_out, "Content-Length",
- apr_off_t_toa(r->pool, clength));
-}
-
-/*
- * Return the latest rational time from a request/mtime (modification time)
- * pair. We return the mtime unless it's in the future, in which case we
- * return the current time. We use the request time as a reference in order
- * to limit the number of calls to time(). We don't check for futurosity
- * unless the mtime is at least as new as the reference.
- */
-AP_DECLARE(apr_time_t) ap_rationalize_mtime(request_rec *r, apr_time_t mtime)
-{
- apr_time_t now;
-
- /* For all static responses, it's almost certain that the file was
- * last modified before the beginning of the request. So there's
- * no reason to call time(NULL) again. But if the response has been
- * created on demand, then it might be newer than the time the request
- * started. In this event we really have to call time(NULL) again
- * so that we can give the clients the most accurate Last-Modified. If we
- * were given a time in the future, we return the current time - the
- * Last-Modified can't be in the future.
- */
- now = (mtime < r->request_time) ? r->request_time : apr_time_now();
- return (mtime > now) ? now : mtime;
-}
-
-/* Min # of bytes to allocate when reading a request line */
-#define MIN_LINE_ALLOC 80
-
-/* Get a line of protocol input, including any continuation lines
- * caused by MIME folding (or broken clients) if fold != 0, and place it
- * in the buffer s, of size n bytes, without the ending newline.
- *
- * If s is NULL, ap_rgetline_core will allocate necessary memory from r->pool.
- *
- * Returns APR_SUCCESS if there are no problems and sets *read to be
- * the full length of s.
- *
- * APR_ENOSPC is returned if there is not enough buffer space.
- * Other errors may be returned on other errors.
- *
- * The LF is *not* returned in the buffer. Therefore, a *read of 0
- * indicates that an empty line was read.
- *
- * Notes: Because the buffer uses 1 char for NUL, the most we can return is
- * (n - 1) actual characters.
- *
- * If no LF is detected on the last line due to a dropped connection
- * or a full buffer, that's considered an error.
- */
-AP_DECLARE(apr_status_t) ap_rgetline_core(char **s, apr_size_t n,
- apr_size_t *read, request_rec *r,
- int fold, apr_bucket_brigade *bb)
-{
- apr_status_t rv;
- apr_bucket *e;
- apr_size_t bytes_handled = 0, current_alloc = 0;
- char *pos, *last_char = *s;
- int do_alloc = (*s == NULL), saw_eos = 0;
-
- /*
- * Initialize last_char as otherwise a random value will be compared
- * against APR_ASCII_LF at the end of the loop if bb only contains
- * zero-length buckets.
- */
- if (last_char)
- *last_char = '\0';
-
- for (;;) {
- apr_brigade_cleanup(bb);
- rv = ap_get_brigade(r->input_filters, bb, AP_MODE_GETLINE,
- APR_BLOCK_READ, 0);
-
- if (rv != APR_SUCCESS) {
- return rv;
- }
-
- /* Something horribly wrong happened. Someone didn't block! */
- if (APR_BRIGADE_EMPTY(bb)) {
- return APR_EGENERAL;
- }
-
- APR_BRIGADE_FOREACH(e, bb) {
- const char *str;
- apr_size_t len;
-
- /* If we see an EOS, don't bother doing anything more. */
- if (APR_BUCKET_IS_EOS(e)) {
- saw_eos = 1;
- break;
- }
-
- rv = apr_bucket_read(e, &str, &len, APR_BLOCK_READ);
-
- if (rv != APR_SUCCESS) {
- return rv;
- }
-
- if (len == 0) {
- /* no use attempting a zero-byte alloc (hurts when
- * using --with-efence --enable-pool-debug) or
- * doing any of the other logic either
- */
- continue;
- }
-
- /* Would this overrun our buffer? If so, we'll die. */
- if (n < bytes_handled + len) {
- *read = bytes_handled;
- if (*s) {
- /* ensure this string is NUL terminated */
- if (bytes_handled > 0) {
- (*s)[bytes_handled-1] = '\0';
- }
- else {
- (*s)[0] = '\0';
- }
- }
- return APR_ENOSPC;
- }
-
- /* Do we have to handle the allocation ourselves? */
- if (do_alloc) {
- /* We'll assume the common case where one bucket is enough. */
- if (!*s) {
- current_alloc = len;
- if (current_alloc < MIN_LINE_ALLOC) {
- current_alloc = MIN_LINE_ALLOC;
- }
- *s = apr_palloc(r->pool, current_alloc);
- }
- else if (bytes_handled + len > current_alloc) {
- /* Increase the buffer size */
- apr_size_t new_size = current_alloc * 2;
- char *new_buffer;
-
- if (bytes_handled + len > new_size) {
- new_size = (bytes_handled + len) * 2;
- }
-
- new_buffer = apr_palloc(r->pool, new_size);
-
- /* Copy what we already had. */
- memcpy(new_buffer, *s, bytes_handled);
- current_alloc = new_size;
- *s = new_buffer;
- }
- }
-
- /* Just copy the rest of the data to the end of the old buffer. */
- pos = *s + bytes_handled;
- memcpy(pos, str, len);
- last_char = pos + len - 1;
-
- /* We've now processed that new data - update accordingly. */
- bytes_handled += len;
- }
-
- /* If we got a full line of input, stop reading */
- if (last_char && (*last_char == APR_ASCII_LF)) {
- break;
- }
- }
-
- /* Now NUL-terminate the string at the end of the line;
- * if the last-but-one character is a CR, terminate there */
- if (last_char > *s && last_char[-1] == APR_ASCII_CR) {
- last_char--;
- }
- *last_char = '\0';
- bytes_handled = last_char - *s;
-
- /* If we're folding, we have more work to do.
- *
- * Note that if an EOS was seen, we know we can't have another line.
- */
- if (fold && bytes_handled && !saw_eos) {
- for (;;) {
- const char *str;
- apr_size_t len;
- char c;
-
- /* Clear the temp brigade for this filter read. */
- apr_brigade_cleanup(bb);
-
- /* We only care about the first byte. */
- rv = ap_get_brigade(r->input_filters, bb, AP_MODE_SPECULATIVE,
- APR_BLOCK_READ, 1);
-
- if (rv != APR_SUCCESS) {
- return rv;
- }
-
- if (APR_BRIGADE_EMPTY(bb)) {
- break;
- }
-
- e = APR_BRIGADE_FIRST(bb);
-
- /* If we see an EOS, don't bother doing anything more. */
- if (APR_BUCKET_IS_EOS(e)) {
- break;
- }
-
- rv = apr_bucket_read(e, &str, &len, APR_BLOCK_READ);
-
- if (rv != APR_SUCCESS) {
- apr_brigade_cleanup(bb);
- return rv;
- }
-
- /* Found one, so call ourselves again to get the next line.
- *
- * FIXME: If the folding line is completely blank, should we
- * stop folding? Does that require also looking at the next
- * char?
- */
- /* When we call destroy, the buckets are deleted, so save that
- * one character we need. This simplifies our execution paths
- * at the cost of one character read.
- */
- c = *str;
- if (c == APR_ASCII_BLANK || c == APR_ASCII_TAB) {
- /* Do we have enough space? We may be full now. */
- if (bytes_handled >= n) {
- *read = n;
- /* ensure this string is terminated */
- (*s)[n-1] = '\0';
- return APR_ENOSPC;
- }
- else {
- apr_size_t next_size, next_len;
- char *tmp;
-
- /* If we're doing the allocations for them, we have to
- * give ourselves a NULL and copy it on return.
- */
- if (do_alloc) {
- tmp = NULL;
- } else {
- /* We're null terminated. */
- tmp = last_char;
- }
-
- next_size = n - bytes_handled;
-
- rv = ap_rgetline_core(&tmp, next_size,
- &next_len, r, 0, bb);
-
- if (rv != APR_SUCCESS) {
- return rv;
- }
-
- if (do_alloc && next_len > 0) {
- char *new_buffer;
- apr_size_t new_size = bytes_handled + next_len + 1;
-
- /* we need to alloc an extra byte for a null */
- new_buffer = apr_palloc(r->pool, new_size);
-
- /* Copy what we already had. */
- memcpy(new_buffer, *s, bytes_handled);
-
- /* copy the new line, including the trailing null */
- memcpy(new_buffer + bytes_handled, tmp, next_len + 1);
- *s = new_buffer;
- }
-
- bytes_handled += next_len;
- }
- }
- else { /* next character is not tab or space */
- break;
- }
- }
- }
-
- *read = bytes_handled;
- return APR_SUCCESS;
-}
-
-#if APR_CHARSET_EBCDIC
-AP_DECLARE(apr_status_t) ap_rgetline(char **s, apr_size_t n,
- apr_size_t *read, request_rec *r,
- int fold, apr_bucket_brigade *bb)
-{
- /* on ASCII boxes, ap_rgetline is a macro which simply invokes
- * ap_rgetline_core with the same parms
- *
- * on EBCDIC boxes, each complete http protocol input line needs to be
- * translated into the code page used by the compiler. Since
- * ap_rgetline_core uses recursion, we do the translation in a wrapper
- * function to insure that each input character gets translated only once.
- */
- apr_status_t rv;
-
- rv = ap_rgetline_core(s, n, read, r, fold, bb);
- if (rv == APR_SUCCESS) {
- ap_xlate_proto_from_ascii(*s, *read);
- }
- return rv;
-}
-#endif
-
-AP_DECLARE(int) ap_getline(char *s, int n, request_rec *r, int fold)
-{
- char *tmp_s = s;
- apr_status_t rv;
- apr_size_t len;
- apr_bucket_brigade *tmp_bb;
-
- tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
- rv = ap_rgetline(&tmp_s, n, &len, r, fold, tmp_bb);
- apr_brigade_destroy(tmp_bb);
-
- /* Map the out-of-space condition to the old API. */
- if (rv == APR_ENOSPC) {
- return n;
- }
-
- /* Anything else is just bad. */
- if (rv != APR_SUCCESS) {
- return -1;
- }
-
- return (int)len;
-}
-
-/* parse_uri: break apart the uri
- * Side Effects:
- * - sets r->args to rest after '?' (or NULL if no '?')
- * - sets r->uri to request uri (without r->args part)
- * - sets r->hostname (if not set already) from request (scheme://host:port)
- */
-AP_CORE_DECLARE(void) ap_parse_uri(request_rec *r, const char *uri)
-{
- int status = HTTP_OK;
-
- r->unparsed_uri = apr_pstrdup(r->pool, uri);
-
- if (r->method_number == M_CONNECT) {
- status = apr_uri_parse_hostinfo(r->pool, uri, &r->parsed_uri);
- }
- else {
- /* Simple syntax Errors in URLs are trapped by
- * parse_uri_components().
- */
- status = apr_uri_parse(r->pool, uri, &r->parsed_uri);
- }
-
- if (status == APR_SUCCESS) {
- /* if it has a scheme we may need to do absoluteURI vhost stuff */
- if (r->parsed_uri.scheme
- && !strcasecmp(r->parsed_uri.scheme, ap_http_method(r))) {
- r->hostname = r->parsed_uri.hostname;
- }
- else if (r->method_number == M_CONNECT) {
- r->hostname = r->parsed_uri.hostname;
- }
-
- r->args = r->parsed_uri.query;
- r->uri = r->parsed_uri.path ? r->parsed_uri.path
- : apr_pstrdup(r->pool, "/");
-
-#if defined(OS2) || defined(WIN32)
- /* Handle path translations for OS/2 and plug security hole.
- * This will prevent "http://www.wherever.com/..\..\/" from
- * returning a directory for the root drive.
- */
- {
- char *x;
-
- for (x = r->uri; (x = strchr(x, '\\')) != NULL; )
- *x = '/';
- }
-#endif /* OS2 || WIN32 */
- }
- else {
- r->args = NULL;
- r->hostname = NULL;
- r->status = HTTP_BAD_REQUEST; /* set error status */
- r->uri = apr_pstrdup(r->pool, uri);
- }
-}
-
-static int read_request_line(request_rec *r, apr_bucket_brigade *bb)
-{
- const char *ll;
- const char *uri;
- const char *pro;
-
-#if 0
- conn_rec *conn = r->connection;
-#endif
- int major = 1, minor = 0; /* Assume HTTP/1.0 if non-"HTTP" protocol */
- char http[5];
- apr_size_t len;
- int num_blank_lines = 0;
- int max_blank_lines = r->server->limit_req_fields;
-
- if (max_blank_lines <= 0) {
- max_blank_lines = DEFAULT_LIMIT_REQUEST_FIELDS;
- }
-
- /* Read past empty lines until we get a real request line,
- * a read error, the connection closes (EOF), or we timeout.
- *
- * We skip empty lines because browsers have to tack a CRLF on to the end
- * of POSTs to support old CERN webservers. But note that we may not
- * have flushed any previous response completely to the client yet.
- * We delay the flush as long as possible so that we can improve
- * performance for clients that are pipelining requests. If a request
- * is pipelined then we won't block during the (implicit) read() below.
- * If the requests aren't pipelined, then the client is still waiting
- * for the final buffer flush from us, and we will block in the implicit
- * read(). B_SAFEREAD ensures that the BUFF layer flushes if it will
- * have to block during a read.
- */
-
- do {
- apr_status_t rv;
-
- /* insure ap_rgetline allocates memory each time thru the loop
- * if there are empty lines
- */
- r->the_request = NULL;
- rv = ap_rgetline(&(r->the_request), (apr_size_t)(r->server->limit_req_line + 2),
- &len, r, 0, bb);
-
- if (rv != APR_SUCCESS) {
- r->request_time = apr_time_now();
-
- /* ap_rgetline returns APR_ENOSPC if it fills up the
- * buffer before finding the end-of-line. This is only going to
- * happen if it exceeds the configured limit for a request-line.
- */
- if (rv == APR_ENOSPC) {
- r->status = HTTP_REQUEST_URI_TOO_LARGE;
- r->proto_num = HTTP_VERSION(1,0);
- r->protocol = apr_pstrdup(r->pool, "HTTP/1.0");
- }
-
- return 0;
- }
- } while ((len <= 0) && (++num_blank_lines < max_blank_lines));
-
- /* we've probably got something to do, ignore graceful restart requests */
-
- r->request_time = apr_time_now();
- ll = r->the_request;
- r->method = ap_getword_white(r->pool, &ll);
-
-#if 0
-/* XXX If we want to keep track of the Method, the protocol module should do
- * it. That support isn't in the scoreboard yet. Hopefully next week
- * sometime. rbb */
- ap_update_connection_status(AP_CHILD_THREAD_FROM_ID(conn->id), "Method",
- r->method);
-#endif
-
- uri = ap_getword_white(r->pool, &ll);
-
- /* Provide quick information about the request method as soon as known */
-
- r->method_number = ap_method_number_of(r->method);
- if (r->method_number == M_GET && r->method[0] == 'H') {
- r->header_only = 1;
- }
-
- ap_parse_uri(r, uri);
-
- if (ll[0]) {
- r->assbackwards = 0;
- pro = ll;
- len = strlen(ll);
- } else {
- r->assbackwards = 1;
- pro = "HTTP/0.9";
- len = 8;
- }
- r->protocol = apr_pstrmemdup(r->pool, pro, len);
-
- /* XXX ap_update_connection_status(conn->id, "Protocol", r->protocol); */
-
- /* Avoid sscanf in the common case */
- if (len == 8
- && pro[0] == 'H' && pro[1] == 'T' && pro[2] == 'T' && pro[3] == 'P'
- && pro[4] == '/' && apr_isdigit(pro[5]) && pro[6] == '.'
- && apr_isdigit(pro[7])) {
- r->proto_num = HTTP_VERSION(pro[5] - '0', pro[7] - '0');
- }
- else if (3 == sscanf(r->protocol, "%4s/%u.%u", http, &major, &minor)
- && (strcasecmp("http", http) == 0)
- && (minor < HTTP_VERSION(1, 0)) ) /* don't allow HTTP/0.1000 */
- r->proto_num = HTTP_VERSION(major, minor);
- else
- r->proto_num = HTTP_VERSION(1, 0);
-
- return 1;
-}
-
-AP_DECLARE(void) ap_get_mime_headers_core(request_rec *r, apr_bucket_brigade *bb)
-{
- char *last_field = NULL;
- apr_size_t last_len = 0;
- apr_size_t alloc_len = 0;
- char *field;
- char *value;
- apr_size_t len;
- int fields_read = 0;
- char *tmp_field;
-
- /*
- * Read header lines until we get the empty separator line, a read error,
- * the connection closes (EOF), reach the server limit, or we timeout.
- */
- while(1) {
- apr_status_t rv;
- int folded = 0;
-
- field = NULL;
- rv = ap_rgetline(&field, r->server->limit_req_fieldsize + 2,
- &len, r, 0, bb);
-
- /* ap_rgetline returns APR_ENOSPC if it fills up the buffer before
- * finding the end-of-line. This is only going to happen if it
- * exceeds the configured limit for a field size.
- */
- if (rv == APR_ENOSPC && field) {
- r->status = HTTP_BAD_REQUEST;
- /* insure ap_escape_html will terminate correctly */
- field[len - 1] = '\0';
- apr_table_setn(r->notes, "error-notes",
- apr_pstrcat(r->pool,
- "Size of a request header field "
- "exceeds server limit.<br />\n"
- "<pre>\n",
- ap_escape_html(r->pool, field),
- "</pre>\n", NULL));
- return;
- }
-
- if (rv != APR_SUCCESS) {
- r->status = HTTP_BAD_REQUEST;
- return;
- }
-
- if (last_field != NULL) {
- if ((len > 0) && ((*field == '\t') || *field == ' ')) {
- /* This line is a continuation of the preceding line(s),
- * so append it to the line that we've set aside.
- * Note: this uses a power-of-two allocator to avoid
- * doing O(n) allocs and using O(n^2) space for
- * continuations that span many many lines.
- */
- apr_size_t fold_len = last_len + len + 1; /* trailing null */
-
- if ((fold_len - 1) > r->server->limit_req_fieldsize) {
- r->status = HTTP_BAD_REQUEST;
- /* report what we have accumulated so far before the
- * overflow (last_field) as the field with the problem
- */
- apr_table_setn(r->notes, "error-notes",
- apr_pstrcat(r->pool,
- "Size of a request header field "
- "after folding "
- "exceeds server limit.<br />\n"
- "<pre>\n",
- ap_escape_html(r->pool, last_field),
- "</pre>\n", NULL));
- return;
- }
-
- if (fold_len > alloc_len) {
- char *fold_buf;
- alloc_len += alloc_len;
- if (fold_len > alloc_len) {
- alloc_len = fold_len;
- }
- fold_buf = (char *)apr_palloc(r->pool, alloc_len);
- memcpy(fold_buf, last_field, last_len);
- last_field = fold_buf;
- }
- memcpy(last_field + last_len, field, len +1); /* +1 for nul */
- last_len += len;
- folded = 1;
- }
- else /* not a continuation line */ {
-
- if (r->server->limit_req_fields
- && (++fields_read > r->server->limit_req_fields)) {
- r->status = HTTP_BAD_REQUEST;
- apr_table_setn(r->notes, "error-notes",
- "The number of request header fields "
- "exceeds this server's limit.");
- return;
- }
-
- if (!(value = strchr(last_field, ':'))) { /* Find ':' or */
- r->status = HTTP_BAD_REQUEST; /* abort bad request */
- apr_table_setn(r->notes, "error-notes",
- apr_pstrcat(r->pool,
- "Request header field is "
- "missing ':' separator.<br />\n"
- "<pre>\n",
- ap_escape_html(r->pool,
- last_field),
- "</pre>\n", NULL));
- return;
- }
-
- tmp_field = value - 1; /* last character of field-name */
-
- *value++ = '\0'; /* NUL-terminate at colon */
-
- while (*value == ' ' || *value == '\t') {
- ++value; /* Skip to start of value */
- }
-
- /* Strip LWS after field-name: */
- while (tmp_field > last_field
- && (*tmp_field == ' ' || *tmp_field == '\t')) {
- *tmp_field-- = '\0';
- }
-
- /* Strip LWS after field-value: */
- tmp_field = last_field + last_len - 1;
- while (tmp_field > value
- && (*tmp_field == ' ' || *tmp_field == '\t')) {
- *tmp_field-- = '\0';
- }
-
- apr_table_addn(r->headers_in, last_field, value);
-
- /* reset the alloc_len so that we'll allocate a new
- * buffer if we have to do any more folding: we can't
- * use the previous buffer because its contents are
- * now part of r->headers_in
- */
- alloc_len = 0;
-
- } /* end if current line is not a continuation starting with tab */
- }
-
- /* Found a blank line, stop. */
- if (len == 0) {
- break;
- }
-
- /* Keep track of this line so that we can parse it on
- * the next loop iteration. (In the folded case, last_field
- * has been updated already.)
- */
- if (!folded) {
- last_field = field;
- last_len = len;
- }
- }
-
- apr_table_compress(r->headers_in, APR_OVERLAP_TABLES_MERGE);
-}
-
-AP_DECLARE(void) ap_get_mime_headers(request_rec *r)
-{
- apr_bucket_brigade *tmp_bb;
- tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
- ap_get_mime_headers_core(r, tmp_bb);
- apr_brigade_destroy(tmp_bb);
-}
-
-request_rec *ap_read_request(conn_rec *conn)
-{
- request_rec *r;
- apr_pool_t *p;
- const char *expect;
- int access_status;
- apr_bucket_brigade *tmp_bb;
-
- apr_pool_create(&p, conn->pool);
- apr_pool_tag(p, "request");
- r = apr_pcalloc(p, sizeof(request_rec));
- r->pool = p;
- r->connection = conn;
- r->server = conn->base_server;
-
- r->user = NULL;
- r->ap_auth_type = NULL;
-
- r->allowed_methods = ap_make_method_list(p, 2);
-
- r->headers_in = apr_table_make(r->pool, 25);
- r->subprocess_env = apr_table_make(r->pool, 25);
- r->headers_out = apr_table_make(r->pool, 12);
- r->err_headers_out = apr_table_make(r->pool, 5);
- r->notes = apr_table_make(r->pool, 5);
-
- r->request_config = ap_create_request_config(r->pool);
- /* Must be set before we run create request hook */
-
- r->proto_output_filters = conn->output_filters;
- r->output_filters = r->proto_output_filters;
- r->proto_input_filters = conn->input_filters;
- r->input_filters = r->proto_input_filters;
- ap_run_create_request(r);
- r->per_dir_config = r->server->lookup_defaults;
-
- r->sent_bodyct = 0; /* bytect isn't for body */
-
- r->read_length = 0;
- r->read_body = REQUEST_NO_BODY;
-
- r->status = HTTP_REQUEST_TIME_OUT; /* Until we get a request */
- r->the_request = NULL;
-
- tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
-
- /* Get the request... */
- if (!read_request_line(r, tmp_bb)) {
- if (r->status == HTTP_REQUEST_URI_TOO_LARGE) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "request failed: URI too long (longer than %d)", r->server->limit_req_line);
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- return r;
- }
-
- apr_brigade_destroy(tmp_bb);
- return NULL;
- }
-
- if (!r->assbackwards) {
- ap_get_mime_headers_core(r, tmp_bb);
- if (r->status != HTTP_REQUEST_TIME_OUT) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "request failed: error reading the headers");
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- return r;
- }
-
- if (apr_table_get(r->headers_in, "Transfer-Encoding")
- && apr_table_get(r->headers_in, "Content-Length")) {
- /* 2616 section 4.4, point 3: "if both Transfer-Encoding
- * and Content-Length are received, the latter MUST be
- * ignored"; so unset it here to prevent any confusion
- * later. */
- apr_table_unset(r->headers_in, "Content-Length");
- }
- }
- else {
- if (r->header_only) {
- /*
- * Client asked for headers only with HTTP/0.9, which doesn't send
- * headers! Have to dink things just to make sure the error message
- * comes through...
- */
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "client sent invalid HTTP/0.9 request: HEAD %s",
- r->uri);
- r->header_only = 0;
- r->status = HTTP_BAD_REQUEST;
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- apr_brigade_destroy(tmp_bb);
- return r;
- }
- }
-
- apr_brigade_destroy(tmp_bb);
-
- r->status = HTTP_OK; /* Until further notice. */
-
- /* update what we think the virtual host is based on the headers we've
- * now read. may update status.
- */
- ap_update_vhost_from_headers(r);
-
- /* we may have switched to another server */
- r->per_dir_config = r->server->lookup_defaults;
-
- if ((!r->hostname && (r->proto_num >= HTTP_VERSION(1, 1)))
- || ((r->proto_num == HTTP_VERSION(1, 1))
- && !apr_table_get(r->headers_in, "Host"))) {
- /*
- * Client sent us an HTTP/1.1 or later request without telling us the
- * hostname, either with a full URL or a Host: header. We therefore
- * need to (as per the 1.1 spec) send an error. As a special case,
- * HTTP/1.1 mentions twice (S9, S14.23) that a request MUST contain
- * a Host: header, and the server MUST respond with 400 if it doesn't.
- */
- r->status = HTTP_BAD_REQUEST;
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "client sent HTTP/1.1 request without hostname "
- "(see RFC2616 section 14.23): %s", r->uri);
- }
-
- if (r->status != HTTP_OK) {
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- return r;
- }
-
- if (((expect = apr_table_get(r->headers_in, "Expect")) != NULL)
- && (expect[0] != '\0')) {
- /*
- * The Expect header field was added to HTTP/1.1 after RFC 2068
- * as a means to signal when a 100 response is desired and,
- * unfortunately, to signal a poor man's mandatory extension that
- * the server must understand or return 417 Expectation Failed.
- */
- if (strcasecmp(expect, "100-continue") == 0) {
- r->expecting_100 = 1;
- }
- else {
- r->status = HTTP_EXPECTATION_FAILED;
- ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r,
- "client sent an unrecognized expectation value of "
- "Expect: %s", expect);
- ap_send_error_response(r, 0);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- return r;
- }
- }
-
- ap_add_input_filter_handle(ap_http_input_filter_handle,
- NULL, r, r->connection);
-
- if ((access_status = ap_run_post_read_request(r))) {
- ap_die(access_status, r);
- ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);
- ap_run_log_transaction(r);
- return NULL;
- }
-
- return r;
-}
-
-/*
- * A couple of other functions which initialize some of the fields of
- * a request structure, as appropriate for adjuncts of one kind or another
- * to a request in progress. Best here, rather than elsewhere, since
- * *someone* has to set the protocol-specific fields...
- */
-
-AP_DECLARE(void) ap_set_sub_req_protocol(request_rec *rnew,
- const request_rec *r)
-{
- rnew->the_request = r->the_request; /* Keep original request-line */
-
- rnew->assbackwards = 1; /* Don't send headers from this. */
- rnew->no_local_copy = 1; /* Don't try to send HTTP_NOT_MODIFIED for a
- * fragment. */
- rnew->method = "GET";
- rnew->method_number = M_GET;
- rnew->protocol = "INCLUDED";
-
- rnew->status = HTTP_OK;
-
- rnew->headers_in = apr_table_copy(rnew->pool, r->headers_in);
- rnew->subprocess_env = apr_table_copy(rnew->pool, r->subprocess_env);
- rnew->headers_out = apr_table_make(rnew->pool, 5);
- rnew->err_headers_out = apr_table_make(rnew->pool, 5);
- rnew->notes = apr_table_make(rnew->pool, 5);
-
- rnew->expecting_100 = r->expecting_100;
- rnew->read_length = r->read_length;
- rnew->read_body = REQUEST_NO_BODY;
-
- rnew->main = (request_rec *) r;
-}
-
-static void end_output_stream(request_rec *r)
-{
- conn_rec *c = r->connection;
- apr_bucket_brigade *bb;
- apr_bucket *b;
-
- bb = apr_brigade_create(r->pool, c->bucket_alloc);
- b = apr_bucket_eos_create(c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, b);
- ap_pass_brigade(r->output_filters, bb);
-}
-
-AP_DECLARE(void) ap_finalize_sub_req_protocol(request_rec *sub)
-{
- /* tell the filter chain there is no more content coming */
- if (!sub->eos_sent) {
- end_output_stream(sub);
- }
-}
-
-/* finalize_request_protocol is called at completion of sending the
- * response. Its sole purpose is to send the terminating protocol
- * information for any wrappers around the response message body
- * (i.e., transfer encodings). It should have been named finalize_response.
- */
-AP_DECLARE(void) ap_finalize_request_protocol(request_rec *r)
-{
- (void) ap_discard_request_body(r);
-
- /* tell the filter chain there is no more content coming */
- if (!r->eos_sent) {
- end_output_stream(r);
- }
-}
-
-/*
- * Support for the Basic authentication protocol, and a bit for Digest.
- */
-AP_DECLARE(void) ap_note_auth_failure(request_rec *r)
-{
- const char *type = ap_auth_type(r);
- if (type) {
- if (!strcasecmp(type, "Basic"))
- ap_note_basic_auth_failure(r);
- else if (!strcasecmp(type, "Digest"))
- ap_note_digest_auth_failure(r);
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_ERR,
- 0, r, "need AuthType to note auth failure: %s", r->uri);
- }
-}
-
-AP_DECLARE(void) ap_note_basic_auth_failure(request_rec *r)
-{
- const char *type = ap_auth_type(r);
-
- /* if there is no AuthType configure or it is something other than
- * Basic, let ap_note_auth_failure() deal with it
- */
- if (!type || strcasecmp(type, "Basic"))
- ap_note_auth_failure(r);
- else
- apr_table_setn(r->err_headers_out,
- (PROXYREQ_PROXY == r->proxyreq) ? "Proxy-Authenticate"
- : "WWW-Authenticate",
- apr_pstrcat(r->pool, "Basic realm=\"", ap_auth_name(r),
- "\"", NULL));
-}
-
-AP_DECLARE(void) ap_note_digest_auth_failure(request_rec *r)
-{
- apr_table_setn(r->err_headers_out,
- (PROXYREQ_PROXY == r->proxyreq) ? "Proxy-Authenticate"
- : "WWW-Authenticate",
- /* need APR_TIME_T_FMT_HEX */
- apr_psprintf(r->pool, "Digest realm=\"%s\", nonce=\"%llx\"",
- ap_auth_name(r), r->request_time));
-}
-
-AP_DECLARE(int) ap_get_basic_auth_pw(request_rec *r, const char **pw)
-{
- const char *auth_line = apr_table_get(r->headers_in,
- (PROXYREQ_PROXY == r->proxyreq)
- ? "Proxy-Authorization"
- : "Authorization");
- const char *t;
-
- if (!(t = ap_auth_type(r)) || strcasecmp(t, "Basic"))
- return DECLINED;
-
- if (!ap_auth_name(r)) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR,
- 0, r, "need AuthName: %s", r->uri);
- return HTTP_INTERNAL_SERVER_ERROR;
- }
-
- if (!auth_line) {
- ap_note_basic_auth_failure(r);
- return HTTP_UNAUTHORIZED;
- }
-
- if (strcasecmp(ap_getword(r->pool, &auth_line, ' '), "Basic")) {
- /* Client tried to authenticate using wrong auth scheme */
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "client used wrong authentication scheme: %s", r->uri);
- ap_note_basic_auth_failure(r);
- return HTTP_UNAUTHORIZED;
- }
-
- while (*auth_line == ' ' || *auth_line == '\t') {
- auth_line++;
- }
-
- t = ap_pbase64decode(r->pool, auth_line);
- r->user = ap_getword_nulls (r->pool, &t, ':');
- r->ap_auth_type = "Basic";
-
- *pw = t;
-
- return OK;
-}
-
-struct content_length_ctx {
- int data_sent; /* true if the C-L filter has already sent at
- * least one bucket on to the next output filter
- * for this request
- */
-};
-
-/* This filter computes the content length, but it also computes the number
- * of bytes sent to the client. This means that this filter will always run
- * through all of the buckets in all brigades
- */
-AP_CORE_DECLARE_NONSTD(apr_status_t) ap_content_length_filter(
- ap_filter_t *f,
- apr_bucket_brigade *b)
-{
- request_rec *r = f->r;
- struct content_length_ctx *ctx;
- apr_bucket *e;
- int eos = 0;
- apr_read_type_e eblock = APR_NONBLOCK_READ;
-
- ctx = f->ctx;
- if (!ctx) {
- f->ctx = ctx = apr_palloc(r->pool, sizeof(*ctx));
- ctx->data_sent = 0;
- }
-
- /* Loop through this set of buckets to compute their length
- */
- e = APR_BRIGADE_FIRST(b);
- while (e != APR_BRIGADE_SENTINEL(b)) {
- if (APR_BUCKET_IS_EOS(e)) {
- eos = 1;
- break;
- }
- if (e->length == (apr_size_t)-1) {
- apr_size_t len;
- const char *ignored;
- apr_status_t rv;
-
- /* This is probably a pipe bucket. Send everything
- * prior to this, and then read the data for this bucket.
- */
- rv = apr_bucket_read(e, &ignored, &len, eblock);
- if (rv == APR_SUCCESS) {
- /* Attempt a nonblocking read next time through */
- eblock = APR_NONBLOCK_READ;
- r->bytes_sent += len;
- }
- else if (APR_STATUS_IS_EAGAIN(rv)) {
- /* Output everything prior to this bucket, and then
- * do a blocking read on the next batch.
- */
- if (e != APR_BRIGADE_FIRST(b)) {
- apr_bucket_brigade *split = apr_brigade_split(b, e);
- apr_bucket *flush = apr_bucket_flush_create(r->connection->bucket_alloc);
-
- APR_BRIGADE_INSERT_TAIL(b, flush);
- rv = ap_pass_brigade(f->next, b);
- if (rv != APR_SUCCESS || f->c->aborted) {
- apr_brigade_destroy(split);
- return rv;
- }
- b = split;
- e = APR_BRIGADE_FIRST(b);
-
- ctx->data_sent = 1;
- }
- eblock = APR_BLOCK_READ;
- continue;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
- "ap_content_length_filter: "
- "apr_bucket_read() failed");
- return rv;
- }
- }
- else {
- r->bytes_sent += e->length;
- }
- e = APR_BUCKET_NEXT(e);
- }
-
- /* If we've now seen the entire response and it's otherwise
- * okay to set the C-L in the response header, then do so now.
- *
- * We can only set a C-L in the response header if we haven't already
- * sent any buckets on to the next output filter for this request.
- */
- if (ctx->data_sent == 0 && eos &&
- /* don't whack the C-L if it has already been set for a HEAD
- * by something like proxy. the brigade only has an EOS bucket
- * in this case, making r->bytes_sent zero.
- *
- * if r->bytes_sent > 0 we have a (temporary) body whose length may
- * have been changed by a filter. the C-L header might not have been
- * updated so we do it here. long term it would be cleaner to have
- * such filters update or remove the C-L header, and just use it
- * if present.
- */
- !(r->header_only && r->bytes_sent == 0 &&
- apr_table_get(r->headers_out, "Content-Length"))) {
- ap_set_content_length(r, r->bytes_sent);
- }
-
- ctx->data_sent = 1;
- return ap_pass_brigade(f->next, b);
-}
-
-/*
- * Send the body of a response to the client.
- */
-AP_DECLARE(apr_status_t) ap_send_fd(apr_file_t *fd, request_rec *r,
- apr_off_t offset, apr_size_t len,
- apr_size_t *nbytes)
-{
- conn_rec *c = r->connection;
- apr_bucket_brigade *bb = NULL;
- apr_bucket *b;
- apr_status_t rv;
-
- bb = apr_brigade_create(r->pool, c->bucket_alloc);
- b = apr_bucket_file_create(fd, offset, len, r->pool, c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, b);
-
- rv = ap_pass_brigade(r->output_filters, bb);
- if (rv != APR_SUCCESS) {
- *nbytes = 0; /* no way to tell how many were actually sent */
- }
- else {
- *nbytes = len;
- }
-
- return rv;
-}
-
-#if APR_HAS_MMAP
-/* send data from an in-memory buffer */
-AP_DECLARE(size_t) ap_send_mmap(apr_mmap_t *mm, request_rec *r, size_t offset,
- size_t length)
-{
- conn_rec *c = r->connection;
- apr_bucket_brigade *bb = NULL;
- apr_bucket *b;
-
- bb = apr_brigade_create(r->pool, c->bucket_alloc);
- b = apr_bucket_mmap_create(mm, offset, length, c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, b);
- ap_pass_brigade(r->output_filters, bb);
-
- return mm->size; /* XXX - change API to report apr_status_t? */
-}
-#endif /* APR_HAS_MMAP */
-
-typedef struct {
- apr_bucket_brigade *bb;
-} old_write_filter_ctx;
-
-AP_CORE_DECLARE_NONSTD(apr_status_t) ap_old_write_filter(
- ap_filter_t *f, apr_bucket_brigade *bb)
-{
- old_write_filter_ctx *ctx = f->ctx;
-
- AP_DEBUG_ASSERT(ctx);
-
- if (ctx->bb != 0) {
- /* whatever is coming down the pipe (we don't care), we
- * can simply insert our buffered data at the front and
- * pass the whole bundle down the chain.
- */
- APR_BRIGADE_CONCAT(ctx->bb, bb);
- bb = ctx->bb;
- ctx->bb = NULL;
- }
-
- return ap_pass_brigade(f->next, bb);
-}
-
-static apr_status_t buffer_output(request_rec *r,
- const char *str, apr_size_t len)
-{
- conn_rec *c = r->connection;
- ap_filter_t *f;
- old_write_filter_ctx *ctx;
-
- if (len == 0)
- return APR_SUCCESS;
-
- /* future optimization: record some flags in the request_rec to
- * say whether we've added our filter, and whether it is first.
- */
-
- /* this will typically exit on the first test */
- for (f = r->output_filters; f != NULL; f = f->next) {
- if (ap_old_write_func == f->frec)
- break;
- }
-
- if (f == NULL) {
- /* our filter hasn't been added yet */
- ctx = apr_pcalloc(r->pool, sizeof(*ctx));
- ap_add_output_filter("OLD_WRITE", ctx, r, r->connection);
- f = r->output_filters;
- }
-
- /* if the first filter is not our buffering filter, then we have to
- * deliver the content through the normal filter chain
- */
- if (f != r->output_filters) {
- apr_bucket_brigade *bb = apr_brigade_create(r->pool, c->bucket_alloc);
- apr_bucket *b = apr_bucket_transient_create(str, len, c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, b);
-
- return ap_pass_brigade(r->output_filters, bb);
- }
-
- /* grab the context from our filter */
- ctx = r->output_filters->ctx;
-
- if (ctx->bb == NULL) {
- ctx->bb = apr_brigade_create(r->pool, c->bucket_alloc);
- }
-
- return ap_fwrite(f->next, ctx->bb, str, len);
-}
-
-AP_DECLARE(int) ap_rputc(int c, request_rec *r)
-{
- char c2 = (char)c;
-
- if (r->connection->aborted) {
- return -1;
- }
-
- if (buffer_output(r, &c2, 1) != APR_SUCCESS)
- return -1;
-
- return c;
-}
-
-AP_DECLARE(int) ap_rputs(const char *str, request_rec *r)
-{
- apr_size_t len;
-
- if (r->connection->aborted)
- return -1;
-
- if (buffer_output(r, str, len = strlen(str)) != APR_SUCCESS)
- return -1;
-
- return len;
-}
-
-AP_DECLARE(int) ap_rwrite(const void *buf, int nbyte, request_rec *r)
-{
- if (r->connection->aborted)
- return -1;
-
- if (buffer_output(r, buf, nbyte) != APR_SUCCESS)
- return -1;
-
- return nbyte;
-}
-
-struct ap_vrprintf_data {
- apr_vformatter_buff_t vbuff;
- request_rec *r;
- char *buff;
-};
-
-static apr_status_t r_flush(apr_vformatter_buff_t *buff)
-{
- /* callback function passed to ap_vformatter to be called when
- * vformatter needs to write into buff and buff.curpos > buff.endpos */
-
- /* ap_vrprintf_data passed as a apr_vformatter_buff_t, which is then
- * "downcast" to an ap_vrprintf_data */
- struct ap_vrprintf_data *vd = (struct ap_vrprintf_data*)buff;
-
- if (vd->r->connection->aborted)
- return -1;
-
- /* r_flush is called when vbuff is completely full */
- if (buffer_output(vd->r, vd->buff, AP_IOBUFSIZE)) {
- return -1;
- }
-
- /* reset the buffer position */
- vd->vbuff.curpos = vd->buff;
- vd->vbuff.endpos = vd->buff + AP_IOBUFSIZE;
-
- return APR_SUCCESS;
-}
-
-AP_DECLARE(int) ap_vrprintf(request_rec *r, const char *fmt, va_list va)
-{
- apr_size_t written;
- struct ap_vrprintf_data vd;
- char vrprintf_buf[AP_IOBUFSIZE];
-
- vd.vbuff.curpos = vrprintf_buf;
- vd.vbuff.endpos = vrprintf_buf + AP_IOBUFSIZE;
- vd.r = r;
- vd.buff = vrprintf_buf;
-
- if (r->connection->aborted)
- return -1;
-
- written = apr_vformatter(r_flush, &vd.vbuff, fmt, va);
-
- /* tack on null terminator on remaining string */
- *(vd.vbuff.curpos) = '\0';
-
- if (written != -1) {
- int n = vd.vbuff.curpos - vrprintf_buf;
-
- /* last call to buffer_output, to finish clearing the buffer */
- if (buffer_output(r, vrprintf_buf,n) != APR_SUCCESS)
- return -1;
-
- written += n;
- }
-
- return written;
-}
-
-AP_DECLARE_NONSTD(int) ap_rprintf(request_rec *r, const char *fmt, ...)
-{
- va_list va;
- int n;
-
- if (r->connection->aborted)
- return -1;
-
- va_start(va, fmt);
- n = ap_vrprintf(r, fmt, va);
- va_end(va);
-
- return n;
-}
-
-AP_DECLARE_NONSTD(int) ap_rvputs(request_rec *r, ...)
-{
- va_list va;
- const char *s;
- apr_size_t len;
- apr_size_t written = 0;
-
- if (r->connection->aborted)
- return -1;
-
- /* ### TODO: if the total output is large, put all the strings
- * ### into a single brigade, rather than flushing each time we
- * ### fill the buffer
- */
- va_start(va, r);
- while (1) {
- s = va_arg(va, const char *);
- if (s == NULL)
- break;
-
- len = strlen(s);
- if (buffer_output(r, s, len) != APR_SUCCESS) {
- return -1;
- }
-
- written += len;
- }
- va_end(va);
-
- return written;
-}
-
-AP_DECLARE(int) ap_rflush(request_rec *r)
-{
- conn_rec *c = r->connection;
- apr_bucket_brigade *bb;
- apr_bucket *b;
-
- bb = apr_brigade_create(r->pool, c->bucket_alloc);
- b = apr_bucket_flush_create(c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, b);
- if (ap_pass_brigade(r->output_filters, bb) != APR_SUCCESS)
- return -1;
-
- return 0;
-}
-
-/*
- * This function sets the Last-Modified output header field to the value
- * of the mtime field in the request structure - rationalized to keep it from
- * being in the future.
- */
-AP_DECLARE(void) ap_set_last_modified(request_rec *r)
-{
- if (!r->assbackwards) {
- apr_time_t mod_time = ap_rationalize_mtime(r, r->mtime);
- char *datestr = apr_palloc(r->pool, APR_RFC822_DATE_LEN);
-
- apr_rfc822_date(datestr, mod_time);
- apr_table_setn(r->headers_out, "Last-Modified", datestr);
- }
-}
-
-AP_IMPLEMENT_HOOK_RUN_ALL(int,post_read_request,
- (request_rec *r), (r), OK, DECLINED)
-AP_IMPLEMENT_HOOK_RUN_ALL(int,log_transaction,
- (request_rec *r), (r), OK, DECLINED)
-AP_IMPLEMENT_HOOK_RUN_FIRST(const char *,http_method,
- (const request_rec *r), (r), NULL)
-AP_IMPLEMENT_HOOK_RUN_FIRST(unsigned short,default_port,
- (const request_rec *r), (r), 0)