/* 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.

 */

#include "apr.h"

#include "apr_strings.h"

#include "apr_getopt.h"

#include "apr_general.h"

#include "apr_lib.h"

#include "apr_md5.h"

#include "apr_time.h"

#include "apr_version.h"

#include "apu_version.h"

#define APR_WANT_STDIO

#define APR_WANT_STRFUNC

#include "apr_want.h"

#include "ap_config.h"

#include "httpd.h"

#include "http_main.h"

#include "http_log.h"

#include "http_config.h"

#include "http_core.h"

#include "mod_core.h"

#include "http_request.h"

#include "http_vhost.h"

#include "apr_uri.h"

#include "util_ebcdic.h"

#include "ap_mpm.h"

#if APR_HAVE_UNISTD_H

#include <unistd.h>

#endif

/* WARNING: Win32 binds http_main.c dynamically to the server. Please place

 *          extern functions and global data in another appropriate module.

 *

 * Most significant main() global data can be found in http_config.c

 */

static void show_mpm_settings(void)

{

    int mpm_query_info;

    apr_status_t retval;

    printf("Server MPM:     %s\n", ap_show_mpm());

    retval = ap_mpm_query(AP_MPMQ_IS_THREADED, &mpm_query_info);

    if (retval == APR_SUCCESS) {

        printf("  threaded:     ");

        if (mpm_query_info == AP_MPMQ_DYNAMIC) {

            printf("yes (variable thread count)\n");

        }

        else if (mpm_query_info == AP_MPMQ_STATIC) {

            printf("yes (fixed thread count)\n");

        }

        else {

            printf("no\n");

        }

    }

    retval = ap_mpm_query(AP_MPMQ_IS_FORKED, &mpm_query_info);

    if (retval == APR_SUCCESS) {

        printf("    forked:     ");

        if (mpm_query_info == AP_MPMQ_DYNAMIC) {

            printf("yes (variable process count)\n");

        }

        else if (mpm_query_info == AP_MPMQ_STATIC) {

            printf("yes (fixed process count)\n");

        }

        else {

            printf("no\n");

        }

    }

}

static void show_compile_settings(void)

{

    printf("Server version: %s\n", ap_get_server_description());

    printf("Server built:   %s\n", ap_get_server_built());

    printf("Server's Module Magic Number: %u:%u\n",

           MODULE_MAGIC_NUMBER_MAJOR, MODULE_MAGIC_NUMBER_MINOR);

#if APR_MAJOR_VERSION >= 2

    printf("Server loaded:  APR %s\n", apr_version_string());

    printf("Compiled using: APR %s\n", APR_VERSION_STRING);

#else

    printf("Server loaded:  APR %s, APR-UTIL %s\n",

           apr_version_string(), apu_version_string());

    printf("Compiled using: APR %s, APR-UTIL %s\n",

           APR_VERSION_STRING, APU_VERSION_STRING);

#endif

    /* sizeof(foo) is long on some platforms so we might as well

     * make it long everywhere to keep the printf format

     * consistent

     */

    printf("Architecture:   %ld-bit\n", 8 * (long)sizeof(void *));

    show_mpm_settings();

    printf("Server compiled with....\n");

#ifdef BIG_SECURITY_HOLE

    printf(" -D BIG_SECURITY_HOLE\n");

#endif

#ifdef SECURITY_HOLE_PASS_AUTHORIZATION

    printf(" -D SECURITY_HOLE_PASS_AUTHORIZATION\n");

#endif

#ifdef OS

    printf(" -D OS=\"" OS "\"\n");

#endif

#ifdef HAVE_SHMGET

    printf(" -D HAVE_SHMGET\n");

#endif

#if APR_FILE_BASED_SHM

    printf(" -D APR_FILE_BASED_SHM\n");

#endif

#if APR_HAS_SENDFILE

    printf(" -D APR_HAS_SENDFILE\n");

#endif

#if APR_HAS_MMAP

    printf(" -D APR_HAS_MMAP\n");

#endif

#ifdef NO_WRITEV

    printf(" -D NO_WRITEV\n");

#endif

#ifdef NO_LINGCLOSE

    printf(" -D NO_LINGCLOSE\n");

#endif

#if APR_HAVE_IPV6

    printf(" -D APR_HAVE_IPV6 (IPv4-mapped addresses ");

#ifdef AP_ENABLE_V4_MAPPED

    printf("enabled)\n");

#else

    printf("disabled)\n");

#endif

#endif

#if APR_USE_FLOCK_SERIALIZE

    printf(" -D APR_USE_FLOCK_SERIALIZE\n");

#endif

#if APR_USE_SYSVSEM_SERIALIZE

    printf(" -D APR_USE_SYSVSEM_SERIALIZE\n");

#endif

#if APR_USE_POSIXSEM_SERIALIZE

    printf(" -D APR_USE_POSIXSEM_SERIALIZE\n");

#endif

#if APR_USE_FCNTL_SERIALIZE

    printf(" -D APR_USE_FCNTL_SERIALIZE\n");

#endif

#if APR_USE_PROC_PTHREAD_SERIALIZE

    printf(" -D APR_USE_PROC_PTHREAD_SERIALIZE\n");

#endif

#if APR_USE_PTHREAD_SERIALIZE

    printf(" -D APR_USE_PTHREAD_SERIALIZE\n");

#endif

#if APR_PROCESS_LOCK_IS_GLOBAL

    printf(" -D APR_PROCESS_LOCK_IS_GLOBAL\n");

#endif

#ifdef SINGLE_LISTEN_UNSERIALIZED_ACCEPT

    printf(" -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT\n");

#endif

#if APR_HAS_OTHER_CHILD

    printf(" -D APR_HAS_OTHER_CHILD\n");

#endif

#ifdef AP_HAVE_RELIABLE_PIPED_LOGS

    printf(" -D AP_HAVE_RELIABLE_PIPED_LOGS\n");

#endif

#ifdef BUFFERED_LOGS

    printf(" -D BUFFERED_LOGS\n");

#ifdef PIPE_BUF

    printf(" -D PIPE_BUF=%ld\n",(long)PIPE_BUF);

#endif

#endif

    printf(" -D DYNAMIC_MODULE_LIMIT=%ld\n",(long)DYNAMIC_MODULE_LIMIT);

#if APR_CHARSET_EBCDIC

    printf(" -D APR_CHARSET_EBCDIC\n");

#endif

#ifdef NEED_HASHBANG_EMUL

    printf(" -D NEED_HASHBANG_EMUL\n");

#endif

/* This list displays the compiled in default paths: */

#ifdef HTTPD_ROOT

    printf(" -D HTTPD_ROOT=\"" HTTPD_ROOT "\"\n");

#endif

#ifdef SUEXEC_BIN

    printf(" -D SUEXEC_BIN=\"" SUEXEC_BIN "\"\n");

#endif

#ifdef DEFAULT_PIDLOG

    printf(" -D DEFAULT_PIDLOG=\"" DEFAULT_PIDLOG "\"\n");

#endif

#ifdef DEFAULT_SCOREBOARD

    printf(" -D DEFAULT_SCOREBOARD=\"" DEFAULT_SCOREBOARD "\"\n");

#endif

#ifdef DEFAULT_ERRORLOG

    printf(" -D DEFAULT_ERRORLOG=\"" DEFAULT_ERRORLOG "\"\n");

#endif

#ifdef AP_TYPES_CONFIG_FILE

    printf(" -D AP_TYPES_CONFIG_FILE=\"" AP_TYPES_CONFIG_FILE "\"\n");

#endif

#ifdef SERVER_CONFIG_FILE

    printf(" -D SERVER_CONFIG_FILE=\"" SERVER_CONFIG_FILE "\"\n");

#endif

}

#define TASK_SWITCH_SLEEP 10000

static void destroy_and_exit_process(process_rec *process,

                                     int process_exit_value)

{

    /*

     * Sleep for TASK_SWITCH_SLEEP micro seconds to cause a task switch on

     * OS layer and thus give possibly started piped loggers a chance to

     * process their input. Otherwise it is possible that they get killed

     * by us before they can do so. In this case maybe valueable log messages

     * might get lost.

     */

    apr_sleep(TASK_SWITCH_SLEEP);

    ap_main_state = AP_SQ_MS_EXITING;

    apr_pool_destroy(process->pool); /* and destroy all descendent pools */

    apr_terminate();

    exit(process_exit_value);

}

/* APR callback invoked if allocation fails. */

static int abort_on_oom(int retcode)

{

    ap_abort_on_oom();

    return retcode; /* unreachable, hopefully. */

}

/* Deregister all hooks when clearing pconf (pre_cleanup).

 * TODO: have a hook to deregister and run them from here?

 *       ap_clear_auth_internal() is already a candidate.

 */

static apr_status_t deregister_all_hooks(void *unused)

{

    (void)unused;

    ap_clear_auth_internal();

    apr_hook_deregister_all();

    return APR_SUCCESS;

}

static void reset_process_pconf(process_rec *process)

{

    if (process->pconf) {

        apr_pool_clear(process->pconf);

        ap_server_conf = NULL;

    }

    else {

        apr_pool_create(&process->pconf, process->pool);

        apr_pool_tag(process->pconf, "pconf");

    }

    apr_pool_pre_cleanup_register(process->pconf, NULL, deregister_all_hooks);

}

static process_rec *init_process(int *argc, const char * const * *argv)

{

    process_rec *process;

    apr_pool_t *cntx;

    apr_status_t stat;

    const char *failed = "apr_app_initialize()";

    stat = apr_app_initialize(argc, argv, NULL);

    if (stat == APR_SUCCESS) {

        failed = "apr_pool_create()";

        stat = apr_pool_create(&cntx, NULL);

    }

    if (stat != APR_SUCCESS) {

        /* For all intents and purposes, this is impossibly unlikely,

         * but APR doesn't exist yet, we can't use it for reporting

         * these earliest two failures;

         *

         * XXX: Note the apr_ctime() and apr_time_now() calls.  These

         * work, today, against an uninitialized APR, but in the future

         * (if they relied on global pools or mutexes, for example) then

         * the datestamp logic will need to be replaced.

         */

        char ctimebuff[APR_CTIME_LEN];

        apr_ctime(ctimebuff, apr_time_now());

        fprintf(stderr, "[%s] [crit] (%d) %s: %s failed "

                        "to initial context, exiting\n",

                        ctimebuff, stat, (*argv)[0], failed);

        apr_terminate();

        exit(1);

    }

    apr_pool_abort_set(abort_on_oom, cntx);

    apr_pool_tag(cntx, "process");

    ap_open_stderr_log(cntx);

    /* Now we have initialized apr and our logger, no more

     * exceptional error reporting required for the lifetime

     * of this server process.

     */

    process = apr_palloc(cntx, sizeof(process_rec));

    process->pool = cntx;

    process->pconf = NULL;

    reset_process_pconf(process);

    process->argc = *argc;

    process->argv = *argv;

    process->short_name = apr_filepath_name_get((*argv)[0]);

    return process;

}

static void usage(process_rec *process)

{

    const char *bin = process->argv[0];

    int pad_len = strlen(bin);

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "Usage: %s [-D name] [-d directory] [-f file]", bin);

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "       %*s [-C \"directive\"] [-c \"directive\"]", pad_len, " ");

#ifdef WIN32

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "       %*s [-w] [-k start|restart|stop|shutdown] [-n service_name]",

                 pad_len, " ");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "       %*s [-k install|config|uninstall] [-n service_name]",

                 pad_len, " ");

#else

/* XXX not all MPMs support signalling the server in general or graceful-stop

 * in particular

 */

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "       %*s [-k start|restart|graceful|graceful-stop|stop]",

                 pad_len, " ");

#endif

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "       %*s [-v] [-V] [-h] [-l] [-L] [-t] [-T] [-S] [-X]",

                 pad_len, " ");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "Options:");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -D name            : define a name for use in "

                 "<IfDefine name> directives");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -d directory       : specify an alternate initial "

                 "ServerRoot");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -f file            : specify an alternate ServerConfigFile");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -C \"directive\"     : process directive before reading "

                 "config files");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -c \"directive\"     : process directive after reading "

                 "config files");

#ifdef NETWARE

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -n name            : set screen name");

#endif

#ifdef WIN32

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -n name            : set service name and use its "

                 "ServerConfigFile and ServerRoot");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k start           : tell Apache to start");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k restart         : tell running Apache to do a graceful "

                 "restart");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k stop|shutdown   : tell running Apache to shutdown");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k install         : install an Apache service");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k config          : change startup Options of an Apache "

                 "service");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -k uninstall       : uninstall an Apache service");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -w                 : hold open the console window on error");

#endif

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -e level           : show startup errors of level "

                 "(see LogLevel)");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -E file            : log startup errors to file");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -v                 : show version number");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -V                 : show compile settings");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -h                 : list available command line options "

                 "(this page)");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -l                 : list compiled in modules");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -L                 : list available configuration "

                 "directives");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -t -D DUMP_VHOSTS  : show parsed vhost settings");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -t -D DUMP_RUN_CFG : show parsed run settings");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -S                 : a synonym for -t -D DUMP_VHOSTS -D DUMP_RUN_CFG");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -t -D DUMP_MODULES : show all loaded modules ");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -M                 : a synonym for -t -D DUMP_MODULES");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -t -D DUMP_INCLUDES: show all included configuration files");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -t                 : run syntax check for config files");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -T                 : start without DocumentRoot(s) check");

    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,

                 "  -X                 : debug mode (only one worker, do not detach)");

    destroy_and_exit_process(process, 1);

}

int main(int argc, const char * const argv[])

{

    char c;

    int showcompile = 0, showdirectives = 0;

    const char *confname = SERVER_CONFIG_FILE;

    const char *def_server_root = HTTPD_ROOT;

    const char *temp_error_log = NULL;

    const char *error;

    process_rec *process;

    apr_pool_t *pconf;

    apr_pool_t *plog; /* Pool of log streams, reset _after_ each read of conf */

    apr_pool_t *ptemp; /* Pool for temporary config stuff, reset often */

    apr_pool_t *pcommands; /* Pool for -D, -C and -c switches */

    apr_getopt_t *opt;

    apr_status_t rv;

    module **mod;

    const char *opt_arg;

    APR_OPTIONAL_FN_TYPE(ap_signal_server) *signal_server;

    int rc = OK;

    AP_MONCONTROL(0); /* turn off profiling of startup */

    process = init_process(&argc, &argv);

    ap_pglobal = process->pool;

    pconf = process->pconf;

    ap_server_argv0 = process->short_name;

    ap_init_rng(ap_pglobal);

    /* Set up the OOM callback in the global pool, so all pools should

     * by default inherit it. */

    apr_pool_abort_set(abort_on_oom, apr_pool_parent_get(process->pool));

#if APR_CHARSET_EBCDIC

    if (ap_init_ebcdic(ap_pglobal) != APR_SUCCESS) {

        destroy_and_exit_process(process, 1);

    }

#endif

    apr_pool_create(&pcommands, ap_pglobal);

    apr_pool_tag(pcommands, "pcommands");

    ap_server_pre_read_config  = apr_array_make(pcommands, 1,

                                                sizeof(const char *));

    ap_server_post_read_config = apr_array_make(pcommands, 1,

                                                sizeof(const char *));

    ap_server_config_defines   = apr_array_make(pcommands, 1,

                                                sizeof(const char *));

    error = ap_setup_prelinked_modules(process);

    if (error) {

        ap_log_error(APLOG_MARK, APLOG_STARTUP|APLOG_EMERG, 0, NULL, APLOGNO(00012)

                     "%s: %s", ap_server_argv0, error);

        destroy_and_exit_process(process, 1);

    }

    ap_run_rewrite_args(process);

    /* Maintain AP_SERVER_BASEARGS list in http_main.h to allow the MPM

     * to safely pass on our args from its rewrite_args() handler.

     */

    apr_getopt_init(&opt, pcommands, process->argc, process->argv);

    while ((rv = apr_getopt(opt, AP_SERVER_BASEARGS, &c, &opt_arg))

            == APR_SUCCESS) {

        const char **new;

        switch (c) {

        case 'c':

            new = (const char **)apr_array_push(ap_server_post_read_config);

            *new = apr_pstrdup(pcommands, opt_arg);

            break;

        case 'C':

            new = (const char **)apr_array_push(ap_server_pre_read_config);

            *new = apr_pstrdup(pcommands, opt_arg);

            break;

        case 'd':

            def_server_root = opt_arg;

            break;

        case 'D':

            new = (const char **)apr_array_push(ap_server_config_defines);

            *new = apr_pstrdup(pcommands, opt_arg);

            /* Setting -D DUMP_VHOSTS should work like setting -S */

            if (strcmp(opt_arg, "DUMP_VHOSTS") == 0)

                ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            /* Setting -D DUMP_RUN_CFG should work like setting -S */

            else if (strcmp(opt_arg, "DUMP_RUN_CFG") == 0)

                ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            /* Setting -D DUMP_MODULES is equivalent to setting -M */

            else if (strcmp(opt_arg, "DUMP_MODULES") == 0)

                ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            /* Setting -D DUMP_INCLUDES is a type of configuration dump */

            else if (strcmp(opt_arg, "DUMP_INCLUDES") == 0)

                ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            break;

        case 'e':

            if (ap_parse_log_level(opt_arg, &ap_default_loglevel) != NULL)

                usage(process);

            break;

        case 'E':

            temp_error_log = apr_pstrdup(process->pool, opt_arg);

            break;

        case 'X':

            new = (const char **)apr_array_push(ap_server_config_defines);

            *new = "DEBUG";

            break;

        case 'f':

            confname = opt_arg;

            break;

        case 'v':

            printf("Server version: %s\n", ap_get_server_description());

            printf("Server built:   %s\n", ap_get_server_built());

            destroy_and_exit_process(process, 0);

        case 'l':

            ap_show_modules();

            destroy_and_exit_process(process, 0);

        case 'L':

            ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            showdirectives = 1;

            break;

        case 't':

            if (ap_run_mode == AP_SQ_RM_UNKNOWN)

                ap_run_mode = AP_SQ_RM_CONFIG_TEST;

            break;

       case 'T':

           ap_document_root_check = 0;

           break;

        case 'S':

            ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            new = (const char **)apr_array_push(ap_server_config_defines);

            *new = "DUMP_VHOSTS";

            new = (const char **)apr_array_push(ap_server_config_defines);

            *new = "DUMP_RUN_CFG";

            break;

        case 'M':

            ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            new = (const char **)apr_array_push(ap_server_config_defines);

            *new = "DUMP_MODULES";

            break;

        case 'V':

            if (strcmp(ap_show_mpm(), "")) { /* MPM built-in? */

                show_compile_settings();

                destroy_and_exit_process(process, 0);

            }

            else {

                showcompile = 1;

                ap_run_mode = AP_SQ_RM_CONFIG_DUMP;

            }

            break;

        case 'h':

        case '?':

            usage(process);

        }

    }

    if (ap_run_mode == AP_SQ_RM_UNKNOWN)

        ap_run_mode = AP_SQ_RM_NORMAL;

    /* bad cmdline option?  then we die */

    if (rv != APR_EOF || opt->ind < opt->argc) {

        usage(process);

    }

    ap_main_state = AP_SQ_MS_CREATE_PRE_CONFIG;

    apr_pool_create(&plog, ap_pglobal);

    apr_pool_tag(plog, "plog");

    apr_pool_create(&ptemp, pconf);

    apr_pool_tag(ptemp, "ptemp");

    /* Note that we preflight the config file once

     * before reading it _again_ in the main loop.

     * This allows things, log files configuration

     * for example, to settle down.

     */

    ap_server_root = def_server_root;

    if (temp_error_log) {

        ap_replace_stderr_log(process->pool, temp_error_log);

    }

    ap_server_conf = ap_read_config(process, ptemp, confname, &ap_conftree);

    if (!ap_server_conf) {

        if (showcompile) {

            /* Well, we tried. Show as much as we can, but exit nonzero to

             * indicate that something's not right. The cause should have

             * already been logged. */

            show_compile_settings();

        }

        destroy_and_exit_process(process, 1);

    }

    apr_pool_cleanup_register(pconf, &ap_server_conf, ap_pool_cleanup_set_null,

                              apr_pool_cleanup_null);

    if (showcompile) { /* deferred due to dynamically loaded MPM */

        show_compile_settings();

        destroy_and_exit_process(process, 0);

    }

    /* sort hooks here to make sure pre_config hooks are sorted properly */

    apr_hook_sort_all();

    if (ap_run_pre_config(pconf, plog, ptemp) != OK) {

        ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,

                     NULL, APLOGNO(00013) "Pre-configuration failed");

        destroy_and_exit_process(process, 1);

    }

    rv = ap_process_config_tree(ap_server_conf, ap_conftree,

                                process->pconf, ptemp);

    if (rv == OK) {

        ap_fixup_virtual_hosts(pconf, ap_server_conf);

        ap_fini_vhost_config(pconf, ap_server_conf);

        /*

         * Sort hooks again because ap_process_config_tree may have add modules

         * and hence hooks. This happens with mod_perl and modules written in

         * perl.

         */

        apr_hook_sort_all();

        if (ap_run_check_config(pconf, plog, ptemp, ap_server_conf) != OK) {

            ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,

                         NULL, APLOGNO(00014) "Configuration check failed");

            destroy_and_exit_process(process, 1);

        }

        if (ap_run_mode != AP_SQ_RM_NORMAL) {

            if (showdirectives) { /* deferred in case of DSOs */

                ap_show_directives();

                destroy_and_exit_process(process, 0);

            }

            else {

                ap_run_test_config(pconf, ap_server_conf);

                if (ap_run_mode == AP_SQ_RM_CONFIG_TEST)

                    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL, "Syntax OK");

            }

            destroy_and_exit_process(process, 0);

        }

    }

    /* If our config failed, deal with that here. */

    if (rv != OK) {

        destroy_and_exit_process(process, 1);

    }

    signal_server = APR_RETRIEVE_OPTIONAL_FN(ap_signal_server);

    if (signal_server) {

        int exit_status;

        if (signal_server(&exit_status, pconf) != 0) {

            destroy_and_exit_process(process, exit_status);

        }

    }

    apr_pool_clear(plog);

    if ( ap_run_open_logs(pconf, plog, ptemp, ap_server_conf) != OK) {

        ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR,

                     0, NULL, APLOGNO(00015) "Unable to open logs");

        destroy_and_exit_process(process, 1);

    }

    if ( ap_run_post_config(pconf, plog, ptemp, ap_server_conf) != OK) {

        ap_log_error(APLOG_MARK, APLOG_STARTUP |APLOG_ERR, 0,

                     NULL, APLOGNO(00016) "Configuration Failed");

        destroy_and_exit_process(process, 1);

    }

    apr_pool_destroy(ptemp);

    do {

        ap_main_state = AP_SQ_MS_DESTROY_CONFIG;

        reset_process_pconf(process);

        ap_main_state = AP_SQ_MS_CREATE_CONFIG;

        ap_config_generation++;

        for (mod = ap_prelinked_modules; *mod != NULL; mod++) {

            ap_register_hooks(*mod, pconf);

        }

        /* This is a hack until we finish the code so that it only reads

         * the config file once and just operates on the tree already in

         * memory.  rbb

         */

        ap_conftree = NULL;

        apr_pool_create(&ptemp, pconf);

        apr_pool_tag(ptemp, "ptemp");

        ap_server_root = def_server_root;

        ap_server_conf = ap_read_config(process, ptemp, confname, &ap_conftree);

        if (!ap_server_conf) {

            destroy_and_exit_process(process, 1);

        }

        apr_pool_cleanup_register(pconf, &ap_server_conf,

                                  ap_pool_cleanup_set_null, apr_pool_cleanup_null);

        /* sort hooks here to make sure pre_config hooks are sorted properly */

        apr_hook_sort_all();

        if (ap_run_pre_config(pconf, plog, ptemp) != OK) {

            ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,

                         APLOGNO(00017) "Pre-configuration failed, exiting");

            destroy_and_exit_process(process, 1);

        }

        if (ap_process_config_tree(ap_server_conf, ap_conftree, process->pconf,

                                   ptemp) != OK) {

            destroy_and_exit_process(process, 1);

        }

        ap_fixup_virtual_hosts(pconf, ap_server_conf);

        ap_fini_vhost_config(pconf, ap_server_conf);

        /*

         * Sort hooks again because ap_process_config_tree may have add modules

         * and hence hooks. This happens with mod_perl and modules written in

         * perl.

         */

        apr_hook_sort_all();

        if (ap_run_check_config(pconf, plog, ptemp, ap_server_conf) != OK) {

            ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,

                         APLOGNO(00018) "Configuration check failed, exiting");

            destroy_and_exit_process(process, 1);

        }

        apr_pool_clear(plog);

        if (ap_run_open_logs(pconf, plog, ptemp, ap_server_conf) != OK) {

            ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,

                         APLOGNO(00019) "Unable to open logs, exiting");

            destroy_and_exit_process(process, 1);

        }

        if (ap_run_post_config(pconf, plog, ptemp, ap_server_conf) != OK) {

            ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL,

                         APLOGNO(00020) "Configuration Failed, exiting");

            destroy_and_exit_process(process, 1);

        }

        apr_pool_destroy(ptemp);

        apr_pool_lock(pconf, 1);

        ap_run_optional_fn_retrieve();

        ap_main_state = AP_SQ_MS_RUN_MPM;

        rc = ap_run_mpm(pconf, plog, ap_server_conf);

        apr_pool_lock(pconf, 0);

    } while (rc == OK);

    if (rc == DONE) {

        rc = OK;

    }

    else if (rc != OK) {

        ap_log_error(APLOG_MARK, APLOG_EMERG, 0, NULL, APLOGNO(02818)

                     "MPM run failed, exiting");

    }

    destroy_and_exit_process(process, rc);

    /* NOTREACHED */

    return !OK;

}

#ifdef AP_USING_AUTOCONF

/* This ugly little hack pulls any function referenced in exports.c into

 * the web server.  exports.c is generated during the build, and it

 * has all of the APR functions specified by the apr/apr.exports and

 * apr-util/aprutil.exports files.

 */

const void *ap_suck_in_APR(void);

const void *ap_suck_in_APR(void)

{

    extern const void *ap_ugly_hack;

    return ap_ugly_hack;

}

#endif