/* 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.
*/
/*
* Info Module. Display configuration information for the server and
* all included modules.
*
* <Location /server-info>
* SetHandler server-info
* </Location>
*
* GET /server-info - Returns full configuration page for server and all modules
* GET /server-info?server - Returns server configuration only
* GET /server-info?module_name - Returns configuration for a single module
* GET /server-info?list - Returns quick list of included modules
* GET /server-info?config - Returns full configuration
* GET /server-info?hooks - Returns a listing of the modules active for each hook
*
* Original Author:
* Rasmus Lerdorf <rasmus vex.net>, May 1996
*
* Modified By:
* Lou Langholtz <ldl usi.utah.edu>, July 1997
*
* Apache 2.0 Port:
* Ryan Morgan <rmorgan covalent.net>, August 2000
*
*/
#include "apr.h"
#include "apr_strings.h"
#include "apr_lib.h"
#include "apr_version.h"
#if APR_MAJOR_VERSION < 2
#include "apu_version.h"
#endif
#define APR_WANT_STRFUNC
#include "apr_want.h"
#include "httpd.h"
#include "http_config.h"
#include "http_core.h"
#include "http_log.h"
#include "http_main.h"
#include "http_protocol.h"
#include "http_connection.h"
#include "http_request.h"
#include "util_script.h"
#include "ap_mpm.h"
#include "mpm_common.h"
#include "ap_provider.h"
#include <stdio.h>
#include <stdlib.h>
typedef struct
{
const char *name;
/* matching module name */
const char *info;
/* additional info */
} info_entry;
typedef struct
{
apr_array_header_t *more_info;
} info_svr_conf;
module AP_MODULE_DECLARE_DATA info_module;
/* current file name when doing -DDUMP_CONFIG */
static const char *dump_config_fn_info;
/* file handle when doing -DDUMP_CONFIG */
static apr_file_t *out = NULL;
static void *create_info_config(apr_pool_t * p, server_rec * s)
{
info_svr_conf *conf =
(info_svr_conf *) apr_pcalloc(p,
sizeof(info_svr_conf));
conf->more_info = apr_array_make(p, 20,
sizeof(info_entry));
return conf;
}
static void *merge_info_config(apr_pool_t * p,
void *basev,
void *overridesv)
{
info_svr_conf *
new =
(info_svr_conf *) apr_pcalloc(p,
sizeof(info_svr_conf));
info_svr_conf *base = (info_svr_conf *) basev;
info_svr_conf *overrides = (info_svr_conf *) overridesv;
new->more_info =
apr_array_append(p, overrides->more_info, base->more_info);
return new;
}
static void put_int_flush_right(request_rec * r,
int i,
int field)
{
if (field > 1 || i > 9)
put_int_flush_right(r, i / 10, field - 1);
if (i) {
if (r)
ap_rputc(
'0' + i % 10, r);
else
apr_file_putc((
char)(
'0' + i % 10), out);
}
else {
if (r)
ap_rputs(
" ", r);
else
apr_file_printf(out,
" ");
}
}
static void set_fn_info(request_rec *r,
const char *name)
{
if (r)
ap_set_module_config(r->request_config, &info_module, (
void *)name);
else
dump_config_fn_info = name;
}
static const char *get_fn_info(request_rec *r)
{
if (r)
return ap_get_module_config(r->request_config, &info_module);
else
return dump_config_fn_info;
}
static void mod_info_indent(request_rec * r,
int nest,
const char *thisfn,
int linenum)
{
int i;
const char *prevfn = get_fn_info(r);
if (thisfn == NULL)
thisfn =
"*UNKNOWN*";
if (prevfn == NULL || 0 != strcmp(prevfn, thisfn)) {
if (r) {
thisfn = ap_escape_html(r->pool, thisfn);
ap_rprintf(r,
"<dd><tt><strong>In file: %s</strong></tt></dd>\n",
thisfn);
}
else {
apr_file_printf(out,
"# In file: %s\n", thisfn);
}
set_fn_info(r, thisfn);
}
if (r) {
ap_rputs(
"<dd><tt>", r);
put_int_flush_right(r, linenum > 0 ? linenum : 0, 4);
ap_rputs(
": ", r);
}
else if (linenum > 0) {
for (i = 1; i <= nest; ++i)
apr_file_printf(out,
" ");
apr_file_putc(
'#', out);
put_int_flush_right(r, linenum, 4);
apr_file_printf(out,
":\n");
}
for (i = 1; i <= nest; ++i) {
if (r)
ap_rputs(
" ", r);
else
apr_file_printf(out,
" ");
}
}
static void mod_info_show_cmd(request_rec * r,
const ap_directive_t * dir,
int nest)
{
mod_info_indent(r, nest, dir->filename, dir->line_num);
if (r)
ap_rprintf(r,
"%s <i>%s</i></tt></dd>\n",
ap_escape_html(r->pool, dir->directive),
ap_escape_html(r->pool, dir->args));
else
apr_file_printf(out,
"%s %s\n", dir->directive, dir->args);
}
static void mod_info_show_open(request_rec * r,
const ap_directive_t * dir,
int nest)
{
mod_info_indent(r, nest, dir->filename, dir->line_num);
if (r)
ap_rprintf(r,
"%s %s</tt></dd>\n",
ap_escape_html(r->pool, dir->directive),
ap_escape_html(r->pool, dir->args));
else
apr_file_printf(out,
"%s %s\n", dir->directive, dir->args);
}
static void mod_info_show_close(request_rec * r,
const ap_directive_t * dir,
int nest)
{
const char *dirname = dir->directive;
mod_info_indent(r, nest, dir->filename, 0);
if (*dirname ==
'<') {
if (r)
ap_rprintf(r,
"</%s></tt></dd>",
ap_escape_html(r->pool, dirname + 1));
else
apr_file_printf(out,
"</%s>\n", dirname + 1);
}
else {
if (r)
ap_rprintf(r,
"/%s</tt></dd>", ap_escape_html(r->pool, dirname));
else
apr_file_printf(out,
"/%s\n", dirname);
}
}
static int mod_info_has_cmd(
const command_rec * cmds, ap_directive_t * dir)
{
const command_rec *cmd;
if (cmds == NULL)
return 1;
for (cmd = cmds; cmd->name; ++cmd) {
if (ap_cstr_casecmp(cmd->name, dir->directive) == 0)
return 1;
}
return 0;
}
static void mod_info_show_parents(request_rec * r, ap_directive_t * node,
int from,
int to)
{
if (from < to)
mod_info_show_parents(r, node->parent, from, to - 1);
mod_info_show_open(r, node, to);
}
static int mod_info_module_cmds(request_rec * r,
const command_rec * cmds,
ap_directive_t * node,
int from,
int level)
{
int shown = from;
ap_directive_t *dir;
if (level == 0)
set_fn_info(r, NULL);
for (dir = node; dir; dir = dir->next) {
if (dir->first_child != NULL) {
if (level < mod_info_module_cmds(r, cmds, dir->first_child,
shown, level + 1)) {
shown = level;
mod_info_show_close(r, dir, level);
}
}
else if (mod_info_has_cmd(cmds, dir)) {
if (shown < level) {
mod_info_show_parents(r, dir->parent, shown, level - 1);
shown = level;
}
mod_info_show_cmd(r, dir, level);
}
}
return shown;
}
typedef struct
{
/*XXX: should get something from apr_hooks.h instead */
void (*pFunc) (
void);
/* just to get the right size */
const char *szName;
const char *
const *aszPredecessors;
const char *
const *aszSuccessors;
int nOrder;
} hook_struct_t;
/*
* hook_get_t is a pointer to a function that takes void as an argument and
* returns a pointer to an apr_array_header_t. The nasty WIN32 ifdef
* is required to account for the fact that the ap_hook* calls all use
* STDCALL calling convention.
*/
typedef apr_array_header_t *(
#ifdef WIN32
__stdcall
#endif
* hook_get_t) (
void);
typedef struct
{
const char *name;
hook_get_t get;
} hook_lookup_t;
static const hook_lookup_t startup_hooks[] = {
{
"Pre-Config", ap_hook_get_pre_config},
{
"Check Configuration", ap_hook_get_check_config},
{
"Test Configuration", ap_hook_get_test_config},
{
"Post Configuration", ap_hook_get_post_config},
{
"Open Logs", ap_hook_get_open_logs},
{
"Pre-MPM", ap_hook_get_pre_mpm},
{
"MPM", ap_hook_get_mpm},
{
"Drop Privileges", ap_hook_get_drop_privileges},
{
"Retrieve Optional Functions", ap_hook_get_optional_fn_retrieve},
{
"Child Init", ap_hook_get_child_init},
{NULL},
};
static const hook_lookup_t request_hooks[] = {
{
"Pre-Connection", ap_hook_get_pre_connection},
{
"Create Connection", ap_hook_get_create_connection},
{
"Process Connection", ap_hook_get_process_connection},
{
"Create Request", ap_hook_get_create_request},
{
"Pre-Read Request", ap_hook_get_pre_read_request},
{
"Post-Read Request", ap_hook_get_post_read_request},
{
"Header Parse", ap_hook_get_header_parser},
{
"HTTP Scheme", ap_hook_get_http_scheme},
{
"Default Port", ap_hook_get_default_port},
{
"Quick Handler", ap_hook_get_quick_handler},
{
"Pre-Translate Name", ap_hook_get_pre_translate_name},
{
"Translate Name", ap_hook_get_translate_name},
{
"Map to Storage", ap_hook_get_map_to_storage},
{
"Check Access", ap_hook_get_access_checker_ex},
{
"Check Access (legacy)", ap_hook_get_access_checker},
{
"Verify User ID", ap_hook_get_check_user_id},
{
"Note Authentication Failure", ap_hook_get_note_auth_failure},
{
"Verify User Access", ap_hook_get_auth_checker},
{
"Check Type", ap_hook_get_type_checker},
{
"Fixups", ap_hook_get_fixups},
{
"Insert Filters", ap_hook_get_insert_filter},
{
"Content Handlers", ap_hook_get_handler},
{
"Transaction Logging", ap_hook_get_log_transaction},
{
"Insert Errors", ap_hook_get_insert_error_filter},
{
"Generate Log ID", ap_hook_get_generate_log_id},
{NULL},
};
static const hook_lookup_t other_hooks[] = {
{
"Monitor", ap_hook_get_monitor},
{
"Child Status", ap_hook_get_child_status},
{
"End Generation", ap_hook_get_end_generation},
{
"Error Logging", ap_hook_get_error_log},
{
"Query MPM Attributes", ap_hook_get_mpm_query},
{
"Query MPM Name", ap_hook_get_mpm_get_name},
{
"Register Timed Callback", ap_hook_get_mpm_register_timed_callback},
{
"Extend Expression Parser", ap_hook_get_expr_lookup},
{
"Set Management Items", ap_hook_get_get_mgmt_items},
#if AP_ENABLE_EXCEPTION_HOOK
{
"Handle Fatal Exceptions", ap_hook_get_fatal_exception},
#endif
{NULL},
};
static int module_find_hook(module * modp, hook_get_t hook_get)
{
int i;
apr_array_header_t *hooks = hook_get();
hook_struct_t *elts;
if (!hooks) {
return 0;
}
elts = (hook_struct_t *) hooks->elts;
for (i = 0; i < hooks->nelts; i++) {
if (strcmp(elts[i].szName, modp->name) == 0) {
return 1;
}
}
return 0;
}
static void module_participate(request_rec * r,
module * modp,
const hook_lookup_t *lookup,
int *comma)
{
if (module_find_hook(modp, lookup->get)) {
if (*comma) {
ap_rputs(
", ", r);
}
ap_rvputs(r,
"<tt>", lookup->name,
"</tt>", NULL);
*comma = 1;
}
}
static void module_request_hook_participate(request_rec * r, module * modp)
{
int i, comma = 0;
ap_rputs(
"<dt><strong>Request Phase Participation:</strong>\n", r);
for (i = 0; request_hooks[i].name; i++) {
module_participate(r, modp, &request_hooks[i], &comma);
}
if (!comma) {
ap_rputs(
"<tt> <em>none</em></tt>", r);
}
ap_rputs(
"</dt>\n", r);
}
static const char *find_more_info(server_rec * s,
const char *module_name)
{
int i;
info_svr_conf *conf =
(info_svr_conf *) ap_get_module_config(s->module_config,
&info_module);
info_entry *entry = (info_entry *) conf->more_info->elts;
if (!module_name) {
return 0;
}
for (i = 0; i < conf->more_info->nelts; i++) {
if (!strcmp(module_name, entry->name)) {
return entry->info;
}
entry++;
}
return 0;
}
static int show_server_settings(request_rec * r)
{
server_rec *serv = r->server;
int max_daemons, forked, threaded;
ap_rputs(
"<h2><a name=\"server\
">Server Settings</a></h2>", r);
ap_rprintf(r,
"<dl><dt><strong>Server Version:</strong> "
"<font size=\"+1\
"><tt>%s</tt></font></dt>\n",
ap_get_server_description());
ap_rprintf(r,
"<dt><strong>Server Built:</strong> "
"<font size=\"+1\
"><tt>%s</tt></font></dt>\n",
ap_get_server_built());
ap_rprintf(r,
"<dt><strong>Server loaded APR Version:</strong> "
"<tt>%s</tt></dt>\n", apr_version_string());
ap_rprintf(r,
"<dt><strong>Compiled with APR Version:</strong> "
"<tt>%s</tt></dt>\n", APR_VERSION_STRING);
#if APR_MAJOR_VERSION < 2
ap_rprintf(r,
"<dt><strong>Server loaded APU Version:</strong> "
"<tt>%s</tt></dt>\n", apu_version_string());
ap_rprintf(r,
"<dt><strong>Compiled with APU Version:</strong> "
"<tt>%s</tt></dt>\n", APU_VERSION_STRING);
#endif
ap_rprintf(r,
"<dt><strong>Server loaded PCRE Version:</strong> "
"<tt>%s</tt></dt>\n", ap_pcre_version_string(AP_REG_PCRE_LOADED));
ap_rprintf(r,
"<dt><strong>Compiled with PCRE Version:</strong> "
"<tt>%s</tt></dt>\n", ap_pcre_version_string(AP_REG_PCRE_COMPILED));
ap_rprintf(r,
"<dt><strong>Module Magic Number:</strong> "
"<tt>%d:%d</tt></dt>\n", MODULE_MAGIC_NUMBER_MAJOR,
MODULE_MAGIC_NUMBER_MINOR);
ap_rprintf(r,
"<dt><strong>Hostname/port:</strong> "
"<tt>%s:%u</tt></dt>\n",
ap_escape_html(r->pool, ap_get_server_name(r)),
ap_get_server_port(r));
ap_rprintf(r,
"<dt><strong>Timeouts:</strong> "
"<tt>connection: %d "
"keep-alive: %d</tt></dt>",
(
int) (apr_time_sec(serv->timeout)),
(
int) (apr_time_sec(serv->keep_alive_timeout)));
ap_mpm_query(AP_MPMQ_MAX_DAEMON_USED, &max_daemons);
ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded);
ap_mpm_query(AP_MPMQ_IS_FORKED, &forked);
ap_rprintf(r,
"<dt><strong>MPM Name:</strong> <tt>%s</tt></dt>\n",
ap_show_mpm());
ap_rprintf(r,
"<dt><strong>MPM Information:</strong> "
"<tt>Max Daemons: %d Threaded: %s Forked: %s</tt></dt>\n",
max_daemons, threaded ?
"yes" :
"no", forked ?
"yes" :
"no");
ap_rprintf(r,
"<dt><strong>Server Architecture:</strong> "
"<tt>%ld-bit</tt></dt>\n", 8 * (
long)
sizeof(
void *));
ap_rprintf(r,
"<dt><strong>Server Root:</strong> "
"<tt>%s</tt></dt>\n", ap_server_root);
ap_rprintf(r,
"<dt><strong>Config File:</strong> "
"<tt>%s</tt></dt>\n", ap_conftree->filename);
ap_rputs(
"<dt><strong>Server Built With:</strong>\n"
"<tt style=\"white-space: pre;\
">\n", r);
/* TODO: Not all of these defines are getting set like they do in main.c.
* Missing some headers?
*/
#ifdef BIG_SECURITY_HOLE
ap_rputs(
" -D BIG_SECURITY_HOLE\n", r);
#endif
#ifdef SECURITY_HOLE_PASS_AUTHORIZATION
ap_rputs(
" -D SECURITY_HOLE_PASS_AUTHORIZATION\n", r);
#endif
#ifdef OS
ap_rputs(
" -D OS=\"" OS "\
"\n", r);
#endif
#ifdef HAVE_SHMGET
ap_rputs(
" -D HAVE_SHMGET\n", r);
#endif
#if APR_FILE_BASED_SHM
ap_rputs(
" -D APR_FILE_BASED_SHM\n", r);
#endif
#if APR_HAS_SENDFILE
ap_rputs(
" -D APR_HAS_SENDFILE\n", r);
#endif
#if APR_HAS_MMAP
ap_rputs(
" -D APR_HAS_MMAP\n", r);
#endif
#ifdef NO_WRITEV
ap_rputs(
" -D NO_WRITEV\n", r);
#endif
#ifdef NO_LINGCLOSE
ap_rputs(
" -D NO_LINGCLOSE\n", r);
#endif
#if APR_HAVE_IPV6
ap_rputs(
" -D APR_HAVE_IPV6 (IPv4-mapped addresses ", r);
#ifdef AP_ENABLE_V4_MAPPED
ap_rputs(
"enabled)\n", r);
#else
ap_rputs(
"disabled)\n", r);
#endif
#endif
#if APR_USE_FLOCK_SERIALIZE
ap_rputs(
" -D APR_USE_FLOCK_SERIALIZE\n", r);
#endif
#if APR_USE_SYSVSEM_SERIALIZE
ap_rputs(
" -D APR_USE_SYSVSEM_SERIALIZE\n", r);
#endif
#if APR_USE_POSIXSEM_SERIALIZE
ap_rputs(
" -D APR_USE_POSIXSEM_SERIALIZE\n", r);
#endif
#if APR_USE_FCNTL_SERIALIZE
ap_rputs(
" -D APR_USE_FCNTL_SERIALIZE\n", r);
#endif
#if APR_USE_PROC_PTHREAD_SERIALIZE
ap_rputs(
" -D APR_USE_PROC_PTHREAD_SERIALIZE\n", r);
#endif
#if APR_PROCESS_LOCK_IS_GLOBAL
ap_rputs(
" -D APR_PROCESS_LOCK_IS_GLOBAL\n", r);
#endif
#ifdef SINGLE_LISTEN_UNSERIALIZED_ACCEPT
ap_rputs(
" -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT\n", r);
#endif
#if APR_HAS_OTHER_CHILD
ap_rputs(
" -D APR_HAS_OTHER_CHILD\n", r);
#endif
#ifdef AP_HAVE_RELIABLE_PIPED_LOGS
ap_rputs(
" -D AP_HAVE_RELIABLE_PIPED_LOGS\n", r);
#endif
#ifdef BUFFERED_LOGS
ap_rputs(
" -D BUFFERED_LOGS\n", r);
#ifdef PIPE_BUF
ap_rprintf(r,
" -D PIPE_BUF=%ld\n", (
long) PIPE_BUF);
#endif
#endif
#if APR_CHARSET_EBCDIC
ap_rputs(
" -D APR_CHARSET_EBCDIC\n", r);
#endif
#ifdef NEED_HASHBANG_EMUL
ap_rputs(
" -D NEED_HASHBANG_EMUL\n", r);
#endif
/* This list displays the compiled in default paths: */
#ifdef HTTPD_ROOT
ap_rputs(
" -D HTTPD_ROOT=\"" HTTPD_ROOT "\
"\n", r);
#endif
#ifdef SUEXEC_BIN
ap_rputs(
" -D SUEXEC_BIN=\"" SUEXEC_BIN "\
"\n", r);
#endif
#ifdef DEFAULT_PIDLOG
ap_rputs(
" -D DEFAULT_PIDLOG=\"" DEFAULT_PIDLOG "\
"\n", r);
#endif
#ifdef DEFAULT_SCOREBOARD
ap_rputs(
" -D DEFAULT_SCOREBOARD=\"" DEFAULT_SCOREBOARD "\
"\n", r);
#endif
#ifdef DEFAULT_ERRORLOG
ap_rputs(
" -D DEFAULT_ERRORLOG=\"" DEFAULT_ERRORLOG "\
"\n", r);
#endif
#ifdef AP_TYPES_CONFIG_FILE
ap_rputs(
" -D AP_TYPES_CONFIG_FILE=\"" AP_TYPES_CONFIG_FILE "\
"\n", r);
#endif
#ifdef SERVER_CONFIG_FILE
ap_rputs(
" -D SERVER_CONFIG_FILE=\"" SERVER_CONFIG_FILE "\
"\n", r);
#endif
ap_rputs(
"</tt></dt>\n", r);
ap_rputs(
"</dl><hr />", r);
return 0;
}
static int dump_a_hook(request_rec * r, hook_get_t hook_get)
{
int i;
char qs;
hook_struct_t *elts;
apr_array_header_t *hooks = hook_get();
if (!hooks) {
return 0;
}
if (r->args && strcasecmp(r->args,
"hooks") == 0) {
qs =
'?';
}
else {
qs =
'#';
}
elts = (hook_struct_t *) hooks->elts;
for (i = 0; i < hooks->nelts; i++) {
ap_rprintf(r,
" %02d <a href=\"%c%s\
">%s</a> <br/>",
elts[i].nOrder, qs, elts[i].szName, elts[i].szName);
}
return 0;
}
static int show_active_hooks(request_rec * r)
{
int i;
ap_rputs(
"<h2><a name=\"startup_hooks\
">Startup Hooks</a></h2>\n<dl>", r);
for (i = 0; startup_hooks[i].name; i++) {
ap_rprintf(r,
"<dt><strong>%s:</strong>\n <br /><tt>\n",
startup_hooks[i].name);
dump_a_hook(r, startup_hooks[i].get);
ap_rputs(
"\n </tt>\n</dt>\n", r);
}
ap_rputs
(
"</dl>\n<hr />\n<h2><a name=\"request_hooks\
">Request Hooks</a></h2>\n<dl>",
r);
for (i = 0; request_hooks[i].name; i++) {
ap_rprintf(r,
"<dt><strong>%s:</strong>\n <br /><tt>\n",
request_hooks[i].name);
dump_a_hook(r, request_hooks[i].get);
ap_rputs(
"\n </tt>\n</dt>\n", r);
}
ap_rputs
(
"</dl>\n<hr />\n<h2><a name=\"other_hooks\
">Other Hooks</a></h2>\n<dl>",
r);
for (i = 0; other_hooks[i].name; i++) {
ap_rprintf(r,
"<dt><strong>%s:</strong>\n <br /><tt>\n",
other_hooks[i].name);
dump_a_hook(r, other_hooks[i].get);
ap_rputs(
"\n </tt>\n</dt>\n", r);
}
ap_rputs(
"</dl>\n<hr />\n", r);
return 0;
}
static int cmp_provider_groups(
const void *a_,
const void *b_)
{
const ap_list_provider_groups_t *a = a_, *b = b_;
int ret = strcmp(a->provider_group, b->provider_group);
if (!ret)
ret = strcmp(a->provider_version, b->provider_version);
return ret;
}
static int cmp_provider_names(
const void *a_,
const void *b_)
{
const ap_list_provider_names_t *a = a_, *b = b_;
return strcmp(a->provider_name, b->provider_name);
}
static void show_providers(request_rec *r)
{
apr_array_header_t *groups = ap_list_provider_groups(r->pool);
ap_list_provider_groups_t *group;
apr_array_header_t *names;
ap_list_provider_names_t *name;
int i,j;
const char *cur_group = NULL;
qsort(groups->elts, groups->nelts,
sizeof(ap_list_provider_groups_t),
cmp_provider_groups);
ap_rputs(
"<h2><a name=\"providers\
">Providers</a></h2>\n<dl>", r);
for (i = 0; i < groups->nelts; i++) {
group = &APR_ARRAY_IDX(groups, i, ap_list_provider_groups_t);
if (!cur_group || strcmp(cur_group, group->provider_group) != 0) {
if (cur_group)
ap_rputs(
"\n</dt>\n", r);
cur_group = group->provider_group;
ap_rprintf(r,
"<dt><strong>%s</strong> (version <tt>%s</tt>):"
"\n <br />\n", cur_group, group->provider_version);
}
names = ap_list_provider_names(r->pool, group->provider_group,
group->provider_version);
qsort(names->elts, names->nelts,
sizeof(ap_list_provider_names_t),
cmp_provider_names);
for (j = 0; j < names->nelts; j++) {
name = &APR_ARRAY_IDX(names, j, ap_list_provider_names_t);
ap_rprintf(r,
"<tt> %s</tt><br/>", name->provider_name);
}
}
if (cur_group)
ap_rputs(
"\n</dt>\n", r);
ap_rputs(
"</dl>\n<hr />\n", r);
}
static int cmp_module_name(
const void *a_,
const void *b_)
{
const module *
const *a = a_;
const module *
const *b = b_;
return strcmp((*a)->name, (*b)->name);
}
static apr_array_header_t *get_sorted_modules(apr_pool_t *p)
{
apr_array_header_t *arr = apr_array_make(p, 64,
sizeof(module *));
module *modp, **entry;
for (modp = ap_top_module; modp; modp = modp->next) {
entry = &APR_ARRAY_PUSH(arr, module *);
*entry = modp;
}
qsort(arr->elts, arr->nelts,
sizeof(module *), cmp_module_name);
return arr;
}
static int display_info(request_rec * r)
{
module *modp = NULL;
const char *more_info;
const command_rec *cmd;
apr_array_header_t *modules = NULL;
int i;
if (strcmp(r->handler,
"server-info")) {
return DECLINED;
}
r->allowed |= (AP_METHOD_BIT << M_GET);
if (r->method_number != M_GET) {
return DECLINED;
}
ap_set_content_type_ex(r,
"text/html; charset=ISO-8859-1", 1);
ap_rputs(DOCTYPE_XHTML_1_0T
"<html xmlns=\"http:
//www.w3.org/1999/xhtml\">\n"
"<head>\n"
" <title>Server Information</title>\n" "</head>\n", r);
ap_rputs(
"<body><h1 style=\"text-align: center\
">"
"Apache Server Information</h1>\n", r);
if (!r->args || ap_cstr_casecmp(r->args,
"list")) {
if (!r->args) {
ap_rputs(
"<dl><dt><tt>Subpages:<br />", r);
ap_rputs(
"<a href=\"?config\
">Configuration Files</a>, "
"<a href=\"?server\
">Server Settings</a>, "
"<a href=\"?list\
">Module List</a>, "
"<a href=\"?hooks\
">Active Hooks</a>, "
"<a href=\"?providers\
">Available Providers</a>", r);
ap_rputs(
"</tt></dt></dl><hr />", r);
ap_rputs(
"<dl><dt><tt>Sections:<br />", r);
ap_rputs(
"<a href=\"#modules\
">Loaded Modules</a>, "
"<a href=\"#server\
">Server Settings</a>, "
"<a href=\"#startup_hooks\
">Startup Hooks</a>, "
"<a href=\"#request_hooks\
">Request Hooks</a>, "
"<a href=\"#other_hooks\
">Other Hooks</a>, "
"<a href=\"#providers\
">Providers</a>", r);
ap_rputs(
"</tt></dt></dl><hr />", r);
ap_rputs(
"<h2><a name=\"modules\
">Loaded Modules</a></h2>"
"<dl><dt><tt>", r);
modules = get_sorted_modules(r->pool);
for (i = 0; i < modules->nelts; i++) {
modp = APR_ARRAY_IDX(modules, i, module *);
ap_rprintf(r,
"<a href=\"#%s\
">%s</a>", modp->name,
modp->name);
if (i < modules->nelts) {
ap_rputs(
", ", r);
}
}
ap_rputs(
"</tt></dt></dl><hr />", r);
}
if (!r->args || !ap_cstr_casecmp(r->args,
"server")) {
show_server_settings(r);
}
if (!r->args || !ap_cstr_casecmp(r->args,
"hooks")) {
show_active_hooks(r);
}
if (!r->args || !ap_cstr_casecmp(r->args,
"providers")) {
show_providers(r);
}
if (r->args && 0 == ap_cstr_casecmp(r->args,
"config")) {
ap_rputs(
"<dl><dt><strong>Configuration:</strong>\n", r);
mod_info_module_cmds(r, NULL, ap_conftree, 0, 0);
ap_rputs(
"</dl><hr />", r);
}
else {
int comma = 0;
if (!modules)
modules = get_sorted_modules(r->pool);
for (i = 0; i < modules->nelts; i++) {
modp = APR_ARRAY_IDX(modules, i, module *);
if (!r->args || !ap_cstr_casecmp(modp->name, r->args)) {
ap_rprintf(r,
"<dl><dt><a name=\"%s\
"><strong>Module Name:</strong></a> "
"<font size=\"+1\
"><tt><a href=\"?%s\
">%s</a></tt></font></dt>\n",
modp->name, modp->name, modp->name);
ap_rputs(
"<dt><strong>Content handlers:</strong> ", r);
if (module_find_hook(modp, ap_hook_get_handler)) {
ap_rputs(
"<tt> <em>yes</em></tt>", r);
}
else {
ap_rputs(
"<tt> <em>none</em></tt>", r);
}
ap_rputs(
"</dt>", r);
ap_rputs
(
"<dt><strong>Configuration Phase Participation:</strong>\n",
r);
if (modp->create_dir_config) {
if (comma) {
ap_rputs(
", ", r);
}
ap_rputs(
"<tt>Create Directory Config</tt>", r);
comma = 1;
}
if (modp->merge_dir_config) {
if (comma) {
ap_rputs(
", ", r);
}
ap_rputs(
"<tt>Merge Directory Configs</tt>", r);
comma = 1;
}
if (modp->create_server_config) {
if (comma) {
ap_rputs(
", ", r);
}
ap_rputs(
"<tt>Create Server Config</tt>", r);
comma = 1;
}
if (modp->merge_server_config) {
if (comma) {
ap_rputs(
", ", r);
}
ap_rputs(
"<tt>Merge Server Configs</tt>", r);
comma = 1;
}
if (!comma)
ap_rputs(
"<tt> <em>none</em></tt>", r);
comma = 0;
ap_rputs(
"</dt>", r);
module_request_hook_participate(r, modp);
cmd = modp->cmds;
if (cmd) {
ap_rputs
(
"<dt><strong>Module Directives:</strong></dt>",
r);
while (cmd) {
if (cmd->name) {
ap_rprintf(r,
"<dd><tt>%s%s - <i>",
ap_escape_html(r->pool, cmd->name),
cmd->name[0] ==
'<' ?
">" :
"");
if (cmd->errmsg) {
ap_rputs(ap_escape_html(r->pool, cmd->errmsg), r);
}
ap_rputs(
"</i></tt></dd>\n", r);
}
else {
break;
}
cmd++;
}
ap_rputs
(
"<dt><strong>Current Configuration:</strong></dt>\n",
r);
mod_info_module_cmds(r, modp->cmds, ap_conftree, 0,
0);
}
else {
ap_rputs
(
"<dt><strong>Module Directives:</strong> <tt>none</tt></dt>",
r);
}
more_info = find_more_info(r->server, modp->name);
if (more_info) {
ap_rputs
(
"<dt><strong>Additional Information:</strong>\n</dt><dd>",
r);
ap_rputs(more_info, r);
ap_rputs(
"</dd>", r);
}
ap_rputs(
"</dl><hr />\n", r);
if (r->args) {
break;
}
}
}
if (!modp && r->args && ap_cstr_casecmp(r->args,
"server")) {
ap_rputs(
"<p><b>No such module</b></p>\n", r);
}
}
}
else {
ap_rputs(
"<dl><dt>Server Module List</dt>", r);
modules = get_sorted_modules(r->pool);
for (i = 0; i < modules->nelts; i++) {
modp = APR_ARRAY_IDX(modules, i, module *);
ap_rputs(
"<dd>", r);
ap_rputs(modp->name, r);
ap_rputs(
"</dd>", r);
}
ap_rputs(
"</dl><hr />", r);
}
ap_rputs(ap_psignature(
"", r), r);
ap_rputs(
"</body></html>\n", r);
/* Done, turn off timeout, close file and return */
return 0;
}
static const char *add_module_info(cmd_parms * cmd,
void *dummy,
const char *name,
const char *info)
{
server_rec *s = cmd->server;
info_svr_conf *conf =
(info_svr_conf *) ap_get_module_config(s->module_config,
&info_module);
info_entry *
new = apr_array_push(conf->more_info);
new->name = name;
new->info = info;
return NULL;
}
static const command_rec info_cmds[] = {
AP_INIT_TAKE2(
"AddModuleInfo", add_module_info, NULL, RSRC_CONF,
"a module name and additional information on that module"),
{NULL}
};
static int check_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp,
server_rec *s)
{
if (ap_exists_config_define(
"DUMP_CONFIG")) {
apr_file_open_stdout(&out, ptemp);
mod_info_module_cmds(NULL, NULL, ap_conftree, 0, 0);
}
return DECLINED;
}
static void register_hooks(apr_pool_t * p)
{
ap_hook_handler(display_info, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_check_config(check_config, NULL, NULL, APR_HOOK_FIRST);
}
AP_DECLARE_MODULE(info) = {
STANDARD20_MODULE_STUFF,
NULL,
/* dir config creater */
NULL,
/* dir merger --- default is to override */
create_info_config,
/* server config */
merge_info_config,
/* merge server config */
info_cmds,
/* command apr_table_t */
register_hooks
};