diff options
Diffstat (limited to 'server/main.c')
| -rw-r--r-- | server/main.c | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/server/main.c b/server/main.c new file mode 100644 index 0000000..7da7aa2 --- /dev/null +++ b/server/main.c @@ -0,0 +1,873 @@ +/* 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_thread_proc.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, PCRE %s\n", + apr_version_string(), ap_pcre_version_string(AP_REG_PCRE_LOADED)); + printf("Compiled using: APR %s, PCRE %s\n", + APR_VERSION_STRING, ap_pcre_version_string(AP_REG_PCRE_COMPILED)); +#else + printf("Server loaded: APR %s, APR-UTIL %s, PCRE %s\n", + apr_version_string(), apu_version_string(), + ap_pcre_version_string(AP_REG_PCRE_LOADED)); + printf("Compiled using: APR %s, APR-UTIL %s, PCRE %s\n", + APR_VERSION_STRING, APU_VERSION_STRING, + ap_pcre_version_string(AP_REG_PCRE_COMPILED)); +#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 valuable 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]); + +#if AP_HAS_THREAD_LOCAL + { + apr_status_t rv; + apr_thread_t *thd = NULL; + if ((rv = ap_thread_main_create(&thd, process->pool))) { + char ctimebuff[APR_CTIME_LEN]; + apr_ctime(ctimebuff, apr_time_now()); + fprintf(stderr, "[%s] [crit] (%d) %s: failed " + "to initialize thread context, exiting\n", + ctimebuff, rv, (*argv)[0]); + apr_terminate(); + exit(1); + } + } +#endif + + 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 |