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23714288fe
*) simplify all this #ifdef'ing: just nuke the unixd.h header. it isn't actually needed. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88045 13f79535-47bb-0310-9956-ffa450edef68
484 lines
16 KiB
C
484 lines
16 KiB
C
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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/*
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* Info Module. Display configuration information for the server and
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* all included modules.
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*
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* <Location /server-info>
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* SetHandler server-info
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* </Location>
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*
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* GET /server-info - Returns full configuration page for server and all modules
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* GET /server-info?server - Returns server configuration only
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* GET /server-info?module_name - Returns configuration for a single module
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* GET /server-info?list - Returns quick list of included modules
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*
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* Rasmus Lerdorf <rasmus@vex.net>, May 1996
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*
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* 05.01.96 Initial Version
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*
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* Lou Langholtz <ldl@usi.utah.edu>, July 1997
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*
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* 07.11.97 Addition of the AddModuleInfo directive
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*
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* Ryan Morgan <rmorgan@covalent.net>
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*
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* 8.11.00 Port to Apache 2.0. Read configuation from the configuration
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* tree rather than reparse the entire configuation file.
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*
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*/
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#include "httpd.h"
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#include "http_config.h"
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#include "http_core.h"
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#include "http_log.h"
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#include "http_main.h"
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#include "http_protocol.h"
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#include "util_script.h"
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#if APR_HAVE_STRINGS_H
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#include <strings.h>
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#endif
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typedef struct {
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const char *name; /* matching module name */
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const char *info; /* additional info */
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} info_entry;
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typedef struct {
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apr_array_header_t *more_info;
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} info_svr_conf;
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module AP_MODULE_DECLARE_DATA info_module;
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extern module *top_module;
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extern ap_directive_t *ap_conftree;
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static void *create_info_config(apr_pool_t *p, server_rec *s)
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{
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info_svr_conf *conf = (info_svr_conf *) apr_pcalloc(p, sizeof(info_svr_conf));
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conf->more_info = apr_array_make(p, 20, sizeof(info_entry));
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return conf;
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}
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static void *merge_info_config(apr_pool_t *p, void *basev, void *overridesv)
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{
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info_svr_conf *new = (info_svr_conf *) apr_pcalloc(p, sizeof(info_svr_conf));
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info_svr_conf *base = (info_svr_conf *) basev;
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info_svr_conf *overrides = (info_svr_conf *) overridesv;
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new->more_info = apr_array_append(p, overrides->more_info, base->more_info);
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return new;
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}
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static char *mod_info_html_cmd_string(const char *string, char *buf, size_t buf_len, int close)
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{
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const char *s;
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char *t;
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char *end_buf;
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s = string;
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t = buf;
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/* keep space for \0 byte */
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end_buf = buf + buf_len - 1;
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while ((*s) && (t < end_buf)) {
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if (*s == '<') {
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if (close) {
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strncpy(t, "</,", end_buf -t);
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t += 5;
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} else {
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strncpy(t, "<", end_buf - t);
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t += 4;
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}
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}
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else if (*s == '>') {
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strncpy(t, ">", end_buf - t);
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t += 4;
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}
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else if (*s == '&') {
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strncpy(t, "&", end_buf - t);
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t += 5;
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}
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else if (*s == ' ') {
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if (close) {
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strncpy(t, ">", end_buf -t);
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t += 4;
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break;
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} else {
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*t++ = *s;
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}
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} else {
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*t++ = *s;
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}
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s++;
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}
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/* oops, overflowed... don't overwrite */
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if (t > end_buf) {
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*end_buf = '\0';
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}
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else {
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*t = '\0';
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}
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return (buf);
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}
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static void mod_info_module_cmds(request_rec * r, const command_rec * cmds,
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ap_directive_t * conftree)
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{
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const command_rec *cmd;
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ap_directive_t *tmptree = conftree;
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char buf[MAX_STRING_LEN];
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char htmlstring[MAX_STRING_LEN];
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int block_start = 0;
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int nest = 0;
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while (tmptree != NULL) {
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cmd = cmds;
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while (cmd->name) {
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if (!strcasecmp(cmd->name, tmptree->directive)) {
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if (nest > block_start) {
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block_start++;
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apr_snprintf(htmlstring, sizeof(htmlstring), "%s %s",
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tmptree->parent->directive,
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tmptree->parent->args);
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ap_rprintf(r, "<dd><tt>%s</tt><br>\n",
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mod_info_html_cmd_string(htmlstring, buf,
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sizeof(buf), 0));
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}
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if (nest == 2) {
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ap_rprintf(r, "<dd><tt> %s "
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"<i>%s</i></tt><br>\n",
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tmptree->directive, tmptree->args);
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} else if (nest == 1) {
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ap_rprintf(r,
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"<dd><tt> %s <i>%s</i></tt><br>\n",
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tmptree->directive, tmptree->args);
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} else {
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ap_rprintf(r, "<dd><tt>%s <i>%s</i></tt><br>\n",
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mod_info_html_cmd_string(tmptree->directive,
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buf, sizeof(buf),
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0), tmptree->args);
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}
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}
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++cmd;
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}
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if (tmptree->first_child != NULL) {
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tmptree = tmptree->first_child;
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nest++;
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} else if (tmptree->next != NULL) {
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tmptree = tmptree->next;
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} else {
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if (block_start) {
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apr_snprintf(htmlstring, sizeof(htmlstring), "%s %s",
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tmptree->parent->directive,
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tmptree->parent->args);
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ap_rprintf(r, "<dd><tt>%s</tt><br>\n",
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mod_info_html_cmd_string(htmlstring, buf,
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sizeof(buf), 1));
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block_start--;
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}
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if (tmptree->parent) {
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tmptree = tmptree->parent->next;
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}
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else {
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tmptree = NULL;
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}
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nest--;
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}
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}
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}
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static const char *find_more_info(server_rec *s, const char *module_name)
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{
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int i;
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info_svr_conf *conf = (info_svr_conf *) ap_get_module_config(s->module_config,
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&info_module);
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info_entry *entry = (info_entry *) conf->more_info->elts;
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if (!module_name) {
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return 0;
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}
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for (i = 0; i < conf->more_info->nelts; i++) {
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if (!strcmp(module_name, entry->name)) {
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return entry->info;
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}
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entry++;
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}
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return 0;
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}
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static int display_info(request_rec *r)
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{
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module *modp = NULL;
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char buf[MAX_STRING_LEN];
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const char *cfname;
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const char *more_info;
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const command_rec *cmd = NULL;
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#ifdef NEVERMORE
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const handler_rec *hand = NULL;
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#endif
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server_rec *serv = r->server;
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int comma = 0;
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if (strcmp(r->handler, "server-info"))
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return DECLINED;
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r->allowed |= (1 << M_GET);
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if (r->method_number != M_GET)
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return DECLINED;
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r->content_type = "text/html";
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ap_send_http_header(r);
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if (r->header_only) {
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return 0;
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}
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ap_rputs(DOCTYPE_HTML_3_2
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"<html><head><title>Server Information</title></head>\n", r);
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ap_rputs("<body><h1 align=center>Apache Server Information</h1>\n", r);
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if (!r->args || strcasecmp(r->args, "list")) {
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cfname = ap_server_root_relative(r->pool, SERVER_CONFIG_FILE);
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if (!r->args) {
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ap_rputs("<tt><a href=\"#server\">Server Settings</a>, ", r);
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for (modp = top_module; modp; modp = modp->next) {
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ap_rprintf(r, "<a href=\"#%s\">%s</a>", modp->name, modp->name);
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if (modp->next) {
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ap_rputs(", ", r);
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}
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}
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ap_rputs("</tt><hr>", r);
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}
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if (!r->args || !strcasecmp(r->args, "server")) {
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ap_rprintf(r, "<a name=\"server\"><strong>Server Version:</strong> "
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"<font size=+1><tt>%s</tt></a></font><br>\n",
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ap_get_server_version());
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ap_rprintf(r, "<strong>Server Built:</strong> "
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"<font size=+1><tt>%s</tt></a></font><br>\n",
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ap_get_server_built());
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ap_rprintf(r, "<strong>API Version:</strong> "
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"<tt>%d:%d</tt><br>\n",
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MODULE_MAGIC_NUMBER_MAJOR, MODULE_MAGIC_NUMBER_MINOR);
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ap_rprintf(r, "<strong>Hostname/port:</strong> "
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"<tt>%s:%u</tt><br>\n",
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serv->server_hostname, serv->port);
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ap_rprintf(r, "<strong>Timeouts:</strong> "
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"<tt>connection: %d "
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"keep-alive: %d</tt><br>",
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serv->timeout, serv->keep_alive_timeout);
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ap_rprintf(r, "<strong>Server Root:</strong> "
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"<tt>%s</tt><br>\n", ap_server_root);
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ap_rprintf(r, "<strong>Config File:</strong> "
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"<tt>%s</tt><br>\n", SERVER_CONFIG_FILE);
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}
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ap_rputs("<hr><dl>", r);
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for (modp = top_module; modp; modp = modp->next) {
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if (!r->args || !strcasecmp(modp->name, r->args)) {
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ap_rprintf(r, "<dt><a name=\"%s\"><strong>Module Name:</strong> "
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"<font size=+1><tt>%s</tt></a></font>\n",
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modp->name, modp->name);
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ap_rputs("<dt><strong>Content handlers:</strong>", r);
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#ifdef NEVERMORE
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hand = modp->handlers;
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if (hand) {
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while (hand) {
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if (hand->content_type) {
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ap_rprintf(r, " <tt>%s</tt>\n", hand->content_type);
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}
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else {
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break;
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}
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hand++;
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if (hand && hand->content_type) {
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ap_rputs(",", r);
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}
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}
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}
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else {
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ap_rputs("<tt> <EM>none</EM></tt>", r);
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}
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#else
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ap_rputs("<tt> <EM>(code broken)</EM></tt>", r);
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#endif
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ap_rputs("<dt><strong>Configuration Phase Participation:</strong> \n",
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r);
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if (modp->create_dir_config) {
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if (comma) {
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ap_rputs(", ", r);
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}
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ap_rputs("<tt>Create Directory Config</tt>", r);
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comma = 1;
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}
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if (modp->merge_dir_config) {
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if (comma) {
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ap_rputs(", ", r);
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}
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ap_rputs("<tt>Merge Directory Configs</tt>", r);
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comma = 1;
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}
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if (modp->create_server_config) {
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if (comma) {
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ap_rputs(", ", r);
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}
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ap_rputs("<tt>Create Server Config</tt>", r);
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comma = 1;
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}
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if (modp->merge_server_config) {
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if (comma) {
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ap_rputs(", ", r);
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}
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ap_rputs("<tt>Merge Server Configs</tt>", r);
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comma = 1;
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}
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if (!comma)
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ap_rputs("<tt> <EM>none</EM></tt>", r);
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comma = 0;
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ap_rputs("<dt><strong>Module Directives:</strong> ", r);
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cmd = modp->cmds;
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if (cmd) {
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while (cmd) {
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if (cmd->name) {
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ap_rprintf(r, "<dd><tt>%s - <i>",
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mod_info_html_cmd_string(cmd->name,
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buf, sizeof(buf), 0));
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if (cmd->errmsg) {
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ap_rputs(cmd->errmsg, r);
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}
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ap_rputs("</i></tt>\n", r);
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}
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else {
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break;
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}
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cmd++;
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}
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ap_rputs("<dt><strong>Current Configuration:</strong>\n", r);
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mod_info_module_cmds(r, modp->cmds, ap_conftree);
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}
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else {
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ap_rputs("<tt> none</tt>\n", r);
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}
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more_info = find_more_info(serv, modp->name);
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if (more_info) {
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ap_rputs("<dt><strong>Additional Information:</strong>\n<dd>",
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r);
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ap_rputs(more_info, r);
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}
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ap_rputs("<dt><hr>\n", r);
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if (r->args) {
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break;
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}
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}
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}
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if (!modp && r->args && strcasecmp(r->args, "server")) {
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ap_rputs("<b>No such module</b>\n", r);
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}
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}
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else {
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for (modp = top_module; modp; modp = modp->next) {
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ap_rputs(modp->name, r);
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if (modp->next) {
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ap_rputs("<br>", r);
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}
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}
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}
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ap_rputs("</dl>\n", r);
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ap_rputs(ap_psignature("",r), r);
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ap_rputs("</body></html>\n", r);
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/* Done, turn off timeout, close file and return */
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return 0;
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}
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static const char *add_module_info(cmd_parms *cmd, void *dummy,
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const char *name, const char *info)
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{
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server_rec *s = cmd->server;
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info_svr_conf *conf = (info_svr_conf *) ap_get_module_config(s->module_config,
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&info_module);
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info_entry *new = apr_array_push(conf->more_info);
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new->name = name;
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new->info = info;
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return NULL;
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}
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static const command_rec info_cmds[] =
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{
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AP_INIT_TAKE2("AddModuleInfo", add_module_info, NULL, RSRC_CONF,
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"a module name and additional information on that module"),
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{NULL}
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};
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static void register_hooks(apr_pool_t *p)
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{
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ap_hook_handler(display_info, NULL, NULL, APR_HOOK_MIDDLE);
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}
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module AP_MODULE_DECLARE_DATA info_module =
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{
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STANDARD20_MODULE_STUFF,
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NULL, /* dir config creater */
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NULL, /* dir merger --- default is to override */
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create_info_config, /* server config */
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merge_info_config, /* merge server config */
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info_cmds, /* command apr_table_t */
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register_hooks
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};
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