modules/generators/mod_cgi.c - httpd - Git at Google

 /* ====================================================================
  * Copyright (c) 1995-1999 The Apache Group.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * 3. All advertising materials mentioning features or use of this
  *    software must display the following acknowledgment:
  *    "This product includes software developed by the Apache Group
  *    for use in the Apache HTTP server project (http://www.apache.org/)."
  *
  * 4. The names "Apache Server" and "Apache Group" must not be used to
  *    endorse or promote products derived from this software without
  *    prior written permission. For written permission, please contact
  *    apache@apache.org.
  *
  * 5. Products derived from this software may not be called "Apache"
  *    nor may "Apache" appear in their names without prior written
  *    permission of the Apache Group.
  *
  * 6. Redistributions of any form whatsoever must retain the following
  *    acknowledgment:
  *    "This product includes software developed by the Apache Group
  *    for use in the Apache HTTP server project (http://www.apache.org/)."
  *
  * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE APACHE GROUP OR
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  * ====================================================================
  *
  * This software consists of voluntary contributions made by many
  * individuals on behalf of the Apache Group and was originally based
  * on public domain software written at the National Center for
  * Supercomputing Applications, University of Illinois, Urbana-Champaign.
  * For more information on the Apache Group and the Apache HTTP server
  * project, please see <http://www.apache.org/>.
  *
  */

 /*
  * http_script: keeps all script-related ramblings together.
  *
  * Compliant to CGI/1.1 spec
  *
  * Adapted by rst from original NCSA code by Rob McCool
  *
  * Apache adds some new env vars; REDIRECT_URL and REDIRECT_QUERY_STRING for
  * custom error responses, and DOCUMENT_ROOT because we found it useful.
  * It also adds SERVER_ADMIN - useful for scripts to know who to mail when
  * they fail.
  */

 #include "ap_config.h"
 #include "httpd.h"
 #include "http_config.h"
 #include "http_request.h"
 #include "http_core.h"
 #include "http_protocol.h"
 #include "http_main.h"
 #include "http_log.h"
 #include "util_script.h"
 #include "http_conf_globals.h"
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif

 module MODULE_VAR_EXPORT cgi_module;

 /* KLUDGE --- for back-combatibility, we don't have to check ExecCGI
  * in ScriptAliased directories, which means we need to know if this
  * request came through ScriptAlias or not... so the Alias module
  * leaves a note for us.
  */

 static int is_scriptaliased(request_rec *r)
 {
     const char *t = ap_table_get(r->notes, "alias-forced-type");
     return t && (!strcasecmp(t, "cgi-script"));
 }

 /* Configuration stuff */

 #define DEFAULT_LOGBYTES 10385760
 #define DEFAULT_BUFBYTES 1024

 typedef struct {
     char *logname;
     long logbytes;
     int bufbytes;
 } cgi_server_conf;

 static void *create_cgi_config(ap_context_t *p, server_rec *s)
 {
     cgi_server_conf *c =
     (cgi_server_conf *) ap_pcalloc(p, sizeof(cgi_server_conf));

     c->logname = NULL;
     c->logbytes = DEFAULT_LOGBYTES;
     c->bufbytes = DEFAULT_BUFBYTES;

     return c;
 }

 static void *merge_cgi_config(ap_context_t *p, void *basev, void *overridesv)
 {
     cgi_server_conf *base = (cgi_server_conf *) basev, *overrides = (cgi_server_conf *) overridesv;

     return overrides->logname ? overrides : base;
 }

 static const char *set_scriptlog(cmd_parms *cmd, void *dummy, char *arg)
 {
     server_rec *s = cmd->server;
     cgi_server_conf *conf =
     (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

     conf->logname = arg;
     return NULL;
 }

 static const char *set_scriptlog_length(cmd_parms *cmd, void *dummy, char *arg)
 {
     server_rec *s = cmd->server;
     cgi_server_conf *conf =
     (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

     conf->logbytes = atol(arg);
     return NULL;
 }

 static const char *set_scriptlog_buffer(cmd_parms *cmd, void *dummy, char *arg)
 {
     server_rec *s = cmd->server;
     cgi_server_conf *conf =
     (cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

     conf->bufbytes = atoi(arg);
     return NULL;
 }

 static const command_rec cgi_cmds[] =
 {
     {"ScriptLog", set_scriptlog, NULL, RSRC_CONF, TAKE1,
      "the name of a log for script debugging info"},
     {"ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF, TAKE1,
      "the maximum length (in bytes) of the script debug log"},
     {"ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF, TAKE1,
      "the maximum size (in bytes) to record of a POST request"},
     {NULL}
 };

 static int log_scripterror(request_rec *r, cgi_server_conf * conf, int ret,
 			   int show_errno, char *error)
 {
     ap_file_t *f = NULL;
     struct stat finfo;
     char time_str[AP_CTIME_LEN];

     ap_log_rerror(APLOG_MARK, show_errno|APLOG_ERR, errno, r,
 		"%s: %s", error, r->filename);

     if (!conf->logname ||
 	((stat(ap_server_root_relative(r->pool, conf->logname), &finfo) == 0)
 	 &&   (finfo.st_size > conf->logbytes)) ||
           (ap_open(&f, ap_server_root_relative(r->pool, conf->logname),
                    APR_APPEND | APR_BUFFERED, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {
 	return ret;
     }

     /* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */
     ap_ctime(time_str, ap_now());
     ap_fprintf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,
 	    r->args ? "?" : "", r->args ? r->args : "", r->protocol);
     /* "%% 500 /usr/local/apache/cgi-bin */
     ap_fprintf(f, "%%%% %d %s\n", ret, r->filename);

     ap_fprintf(f, "%%error\n%s\n", error);

     ap_close(f);
     return ret;
 }

 static int log_script(request_rec *r, cgi_server_conf * conf, int ret,
 		  char *dbuf, const char *sbuf, BUFF *script_in, BUFF *script_err)
 {
     ap_array_header_t *hdrs_arr = ap_table_elts(r->headers_in);
     ap_table_entry_t *hdrs = (ap_table_entry_t *) hdrs_arr->elts;
     char argsbuffer[HUGE_STRING_LEN];
     ap_file_t *f = NULL;
     int i;
     struct stat finfo;
     char time_str[AP_CTIME_LEN];

     if (!conf->logname ||
 	((stat(ap_server_root_relative(r->pool, conf->logname), &finfo) == 0)
 	 &&   (finfo.st_size > conf->logbytes)) ||
          (ap_open(&f, ap_server_root_relative(r->pool, conf->logname),
                   APR_APPEND, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {
 	/* Soak up script output */
 	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0)
 	    continue;
 #ifdef WIN32
         /* Soak up stderr and redirect it to the error log.
          * Script output to stderr is already directed to the error log
          * on Unix, thanks to the magic of fork().
          */
         while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
             ap_log_rerror(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, r,
                           "%s", argsbuffer);
         }
 #else
 	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0)
 	    continue;
 #endif
 	return ret;
     }

     /* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */
     ap_ctime(time_str, ap_now());
     ap_fprintf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,
 	    r->args ? "?" : "", r->args ? r->args : "", r->protocol);
     /* "%% 500 /usr/local/apache/cgi-bin" */
     ap_fprintf(f, "%%%% %d %s\n", ret, r->filename);

     ap_puts("%request\n", f);
     for (i = 0; i < hdrs_arr->nelts; ++i) {
 	if (!hdrs[i].key)
 	    continue;
 	ap_fprintf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);
     }
     if ((r->method_number == M_POST || r->method_number == M_PUT)
 	&& *dbuf) {
 	ap_fprintf(f, "\n%s\n", dbuf);
     }

     ap_puts("%response\n", f);
     hdrs_arr = ap_table_elts(r->err_headers_out);
     hdrs = (ap_table_entry_t *) hdrs_arr->elts;

     for (i = 0; i < hdrs_arr->nelts; ++i) {
 	if (!hdrs[i].key)
 	    continue;
 	ap_fprintf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);
     }

     if (sbuf && *sbuf)
 	ap_fprintf(f, "%s\n", sbuf);

     if (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0) {
 	ap_puts("%stdout\n", f);
 	ap_puts(argsbuffer, f);
 	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0)
 	    ap_puts(argsbuffer, f);
 	ap_puts("\n", f);
     }

     if (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
 	ap_puts("%stderr\n", f);
 	ap_puts(argsbuffer, f);
 	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0)
 	    ap_puts(argsbuffer, f);
 	ap_puts("\n", f);
     }

     ap_bclose(script_in);
     ap_bclose(script_err);

     ap_close(f);
     return ret;
 }
 static ap_status_t run_cgi_child(BUFF **script_out, BUFF **script_in, BUFF **script_err,
                                  char *command, char *const argv[], request_rec *r, ap_context_t *p)
 {
     char **env;
     ap_procattr_t *procattr;
     ap_proc_t *procnew;
     ap_status_t rc = APR_SUCCESS;
     ap_file_t *file = NULL;
     ap_iol *iol;

 #ifdef DEBUG_CGI
 #ifdef OS2
     /* Under OS/2 need to use device con. */
     FILE *dbg = fopen("con", "w");
 #else
     FILE *dbg = fopen("/dev/tty", "w");
 #endif
     int i;
 #endif

     ap_block_alarms();

     RAISE_SIGSTOP(CGI_CHILD);
 #ifdef DEBUG_CGI
     fprintf(dbg, "Attempting to exec %s as %sCGI child (argv0 = %s)\n",
 	    r->filename, cld->nph ? "NPH " : "", argv0);
 #endif

     ap_add_cgi_vars(r);
     env = ap_create_environment(p, r->subprocess_env);

 #ifdef DEBUG_CGI
     fprintf(dbg, "Environment: \n");
     for (i = 0; env[i]; ++i)
 	fprintf(dbg, "'%s'\n", env[i]);
 #endif

     /* Transumute ourselves into the script.
      * NB only ISINDEX scripts get decoded arguments.
      */
     if (((rc = ap_createprocattr_init(&procattr, p)) != APR_SUCCESS) ||
         ((rc = ap_setprocattr_io(procattr,
                                  APR_FULL_BLOCK,
                                  APR_FULL_BLOCK,
                                  APR_FULL_BLOCK)) != APR_SUCCESS) ||
         ((rc = ap_setprocattr_dir(procattr,
                                   ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) ||
         ((rc = ap_setprocattr_cmdtype(procattr, APR_PROGRAM)) != APR_SUCCESS)) {
         /* Something bad happened, tell the world. */
 	ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
 		      "couldn't create child process: %s", r->filename);
     }
     else {
         rc = ap_create_process(&procnew, command, argv, env, procattr, p);

         if (rc != APR_SUCCESS) {
             /* Bad things happened. Everyone should have cleaned up. */
             ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
                         "couldn't create child process: %d: %s", rc, r->filename);
         }
         else {
             ap_note_subprocess(p, procnew, kill_after_timeout);

             /* Fill in BUFF structure for parents pipe to child's stdout */
             ap_get_childout(&file, procnew);
             iol = ap_create_file_iol(file);
             if (!iol)
                 return APR_EBADF;
             *script_in = ap_bcreate(p, B_RD);
             ap_bpush_iol(*script_in, iol);

             /* Fill in BUFF structure for parents pipe to child's stdin */
             ap_get_childin(&file, procnew);
             iol = ap_create_file_iol(file);
             if (!iol)
                 return APR_EBADF;
             *script_out = ap_bcreate(p, B_WR);
             ap_bpush_iol(*script_out, iol);

             /* Fill in BUFF structure for parents pipe to child's stderr */
             ap_get_childerr(&file, procnew);
             iol = ap_create_file_iol(file);
             if (!iol)
                 return APR_EBADF;
             *script_err = ap_bcreate(p, B_RD);
             ap_bpush_iol(*script_err, iol);
         }
     }
     ap_unblock_alarms();
     return (rc);
 }
 static ap_status_t build_argv_list(char ***argv, request_rec *r, ap_context_t *p)
 {
     int numwords, x, idx;
     char *w;
     const char *args = r->args;

     if (!args || !args[0] || strchr(args, '=')) {
         numwords = 1;
     }
     else {
         /* count the number of keywords */
         for (x = 0, numwords = 2; args[x]; x++) {
             if (args[x] == '+') {
                 ++numwords;
             }
         }
     }
     /* Everything is - 1 to account for the first parameter which is the
      * program name.  We didn't used to have to do this, but APR wants it.
      */
     if (numwords > APACHE_ARG_MAX - 1) {
         numwords = APACHE_ARG_MAX - 1;	/* Truncate args to prevent overrun */
     }
     *argv = (char **) ap_palloc(p, (numwords + 2) * sizeof(char *));

     for (x = 1, idx = 1; x < numwords; x++) {
         w = ap_getword_nulls(p, &args, '+');
         ap_unescape_url(w);
         (*argv)[idx++] = ap_escape_shell_cmd(p, w);
     }
     (*argv)[idx] = NULL;

     return APR_SUCCESS;
 }

 static ap_status_t build_command_line(char **c, request_rec *r, ap_context_t *p)
 {
 #ifdef WIN32
     char *quoted_filename = NULL;
     char *interpreter = NULL;
     file_type_e fileType;

     *c = NULL;
     fileType = ap_get_win32_interpreter(r, &interpreter);

     if (fileType == eFileTypeUNKNOWN) {
         ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, r,
                       "%s is not executable; ensure interpreted scripts have "
                       "\"#!\" first line",
                       r->filename);
         return APR_EBADF;
     }

     /*
      * Build the command string to pass to ap_create_process()
      */
     quoted_filename = ap_pstrcat(p, "\"", r->filename, "\"", NULL);
     if (interpreter && *interpreter) {
         *c = ap_pstrcat(p, interpreter, " ", quoted_filename, " ", NULL);
     }
     else {
         *c = ap_pstrcat(p, quoted_filename, " ", NULL);
     }
 #else
     *c = ap_pstrcat(p, r->filename, NULL);
 #endif
     return APR_SUCCESS;
 }

 static int cgi_handler(request_rec *r)
 {
     int retval, nph, dbpos = 0;
     char *argv0, *dbuf = NULL;
     char *command;
     char **argv = NULL;

     BUFF *script_out = NULL, *script_in = NULL, *script_err = NULL;
     char argsbuffer[HUGE_STRING_LEN];
     int is_included = !strcmp(r->protocol, "INCLUDED");
     void *sconf = r->server->module_config;
     ap_context_t *p;
     cgi_server_conf *conf =
     (cgi_server_conf *) ap_get_module_config(sconf, &cgi_module);

     p = r->main ? r->main->pool : r->pool;

     if (r->method_number == M_OPTIONS) {
 	/* 99 out of 100 CGI scripts, this is all they support */
 	r->allowed |= (1 << M_GET);
 	r->allowed |= (1 << M_POST);
 	return DECLINED;
     }

     if ((argv0 = strrchr(r->filename, '/')) != NULL)
 	argv0++;
     else
 	argv0 = r->filename;

     nph = !(strncmp(argv0, "nph-", 4));

     if (!(ap_allow_options(r) & OPT_EXECCGI) && !is_scriptaliased(r))
         return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
                                "Options ExecCGI is off in this directory");
     if (nph && is_included)
         return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
                                "attempt to include NPH CGI script");

 #if defined(OS2) || defined(WIN32)
     /* Allow for cgi files without the .EXE extension on them under OS/2 */
     if (r->finfo.protection == 0) {
         struct stat statbuf;
         char *newfile;

         newfile = ap_pstrcat(r->pool, r->filename, ".EXE", NULL);

         if ((stat(newfile, &statbuf) != 0) || (!S_ISREG(statbuf.st_mode))) {
             return log_scripterror(r, conf, NOT_FOUND, 0,
                                    "script not found or unable to stat");
         } else {
             r->filename = newfile;
         }
     }
 #else
     if (r->finfo.protection == 0)
 	return log_scripterror(r, conf, NOT_FOUND, APLOG_NOERRNO,
 			       "script not found or unable to stat");
 #endif
     if (r->finfo.filetype == APR_DIR)
 	return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
 			       "attempt to invoke directory as script");

 /*
     if (!ap_suexec_enabled) {
 	if (!ap_can_exec(&r->finfo))
 	    return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
 				   "file permissions deny server execution");
     }

 */
     if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))
 	return retval;

     ap_add_common_vars(r);

     /* build the command line */
     if (build_command_line(&command, r, p) != APR_SUCCESS) {
         ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
                       "couldn't spawn child process: %s", r->filename);
         return HTTP_INTERNAL_SERVER_ERROR;
     }
     /* build the argument list */
     else if (build_argv_list(&argv, r, p) != APR_SUCCESS) {
         ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
                       "couldn't spawn child process: %s", r->filename);
         return HTTP_INTERNAL_SERVER_ERROR;
     }
     argv[0] = ap_pstrdup(p, command);
     /* run the script in its own process */
     if (run_cgi_child(&script_out, &script_in, &script_err, command, argv, r, p) != APR_SUCCESS) {
         ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
                       "couldn't spawn child process: %s", r->filename);
         return HTTP_INTERNAL_SERVER_ERROR;
     }

     /* Transfer any put/post args, CERN style...
      * Note that we already ignore SIGPIPE in the core server.
      */
     if (ap_should_client_block(r)) {
 	int dbsize, len_read;
         ap_ssize_t bytes_written;

 	if (conf->logname) {
 	    dbuf = ap_pcalloc(r->pool, conf->bufbytes + 1);
 	    dbpos = 0;
 	}

 	while ((len_read =
 		ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN)) > 0) {
 	    if (conf->logname) {
 		if ((dbpos + len_read) > conf->bufbytes) {
 		    dbsize = conf->bufbytes - dbpos;
 		}
 		else {
 		    dbsize = len_read;
 		}
 		memcpy(dbuf + dbpos, argsbuffer, dbsize);
 		dbpos += dbsize;
 	    }
             (void) ap_bwrite(script_out, argsbuffer, len_read, &bytes_written);
 	    if (bytes_written < len_read) {
 		/* silly script stopped reading, soak up remaining message */
 		while (ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN) > 0) {
 		    /* dump it */
 		}
 		break;
 	    }
 	}
 	ap_bflush(script_out);
     }

     ap_bclose(script_out);

     /* Handle script return... */
     if (script_in && !nph) {
 	const char *location;
 	char sbuf[MAX_STRING_LEN];
 	int ret;

 	if ((ret = ap_scan_script_header_err_buff(r, script_in, sbuf))) {
 	    return log_script(r, conf, ret, dbuf, sbuf, script_in, script_err);
 	}

 #ifdef CHARSET_EBCDIC
         /* Now check the Content-Type to decide if conversion is needed */
         ap_checkconv(r);
 #endif /*CHARSET_EBCDIC*/

 	location = ap_table_get(r->headers_out, "Location");

 	if (location && location[0] == '/' && r->status == 200) {

 	    /* Soak up all the script output */
 	    while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0) {
 		continue;
 	    }
 	    while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
 		continue;
 	    }
 	    /* This redirect needs to be a GET no matter what the original
 	     * method was.
 	     */
 	    r->method = ap_pstrdup(r->pool, "GET");
 	    r->method_number = M_GET;

 	    /* We already read the message body (if any), so don't allow
 	     * the redirected request to think it has one.  We can ignore
 	     * Transfer-Encoding, since we used REQUEST_CHUNKED_ERROR.
 	     */
 	    ap_table_unset(r->headers_in, "Content-Length");

 	    ap_internal_redirect_handler(location, r);
 	    return OK;
 	}
 	else if (location && r->status == 200) {
 	    /* XX Note that if a script wants to produce its own Redirect
 	     * body, it now has to explicitly *say* "Status: 302"
 	     */
 	    return REDIRECT;
 	}

 	ap_send_http_header(r);
 	if (!r->header_only) {
 	    ap_send_fb(script_in, r);
 	}
 	ap_bclose(script_in);

 	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
 	    continue;
 	}
 	ap_bclose(script_err);
     }

     if (script_in && nph) {
 	ap_send_fb(script_in, r);
     }

     return OK;			/* NOT r->status, even if it has changed. */
 }

 static const handler_rec cgi_handlers[] =
 {
     {CGI_MAGIC_TYPE, cgi_handler},
     {"cgi-script", cgi_handler},
     {NULL}
 };

 module MODULE_VAR_EXPORT cgi_module =
 {
     STANDARD20_MODULE_STUFF,
     NULL,			/* dir config creater */
     NULL,			/* dir merger --- default is to override */
     create_cgi_config,		/* server config */
     merge_cgi_config,		/* merge server config */
     cgi_cmds,			/* command ap_table_t */
     cgi_handlers,		/* handlers */
     NULL			/* register hooks */
 };
	/* ====================================================================
	* Copyright (c) 1995-1999 The Apache Group. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* 3. All advertising materials mentioning features or use of this
	* software must display the following acknowledgment:
	* "This product includes software developed by the Apache Group
	* for use in the Apache HTTP server project (http://www.apache.org/)."
	*
	* 4. The names "Apache Server" and "Apache Group" must not be used to
	* endorse or promote products derived from this software without
	* prior written permission. For written permission, please contact
	* apache@apache.org.
	*
	* 5. Products derived from this software may not be called "Apache"
	* nor may "Apache" appear in their names without prior written
	* permission of the Apache Group.
	*
	* 6. Redistributions of any form whatsoever must retain the following
	* acknowledgment:
	* "This product includes software developed by the Apache Group
	* for use in the Apache HTTP server project (http://www.apache.org/)."
	*
	* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	* OF THE POSSIBILITY OF SUCH DAMAGE.
	* ====================================================================
	*
	* This software consists of voluntary contributions made by many
	* individuals on behalf of the Apache Group and was originally based
	* on public domain software written at the National Center for
	* Supercomputing Applications, University of Illinois, Urbana-Champaign.
	* For more information on the Apache Group and the Apache HTTP server
	* project, please see <http://www.apache.org/>.
	*
	*/

	/*
	* http_script: keeps all script-related ramblings together.
	*
	* Compliant to CGI/1.1 spec
	*
	* Adapted by rst from original NCSA code by Rob McCool
	*
	* Apache adds some new env vars; REDIRECT_URL and REDIRECT_QUERY_STRING for
	* custom error responses, and DOCUMENT_ROOT because we found it useful.
	* It also adds SERVER_ADMIN - useful for scripts to know who to mail when
	* they fail.
	*/

	#include "ap_config.h"
	#include "httpd.h"
	#include "http_config.h"
	#include "http_request.h"
	#include "http_core.h"
	#include "http_protocol.h"
	#include "http_main.h"
	#include "http_log.h"
	#include "util_script.h"
	#include "http_conf_globals.h"
	#ifdef HAVE_SYS_STAT_H
	#include <sys/stat.h>
	#endif
	#ifdef HAVE_STRING_H
	#include <string.h>
	#endif

	module MODULE_VAR_EXPORT cgi_module;

	/* KLUDGE --- for back-combatibility, we don't have to check ExecCGI
	* in ScriptAliased directories, which means we need to know if this
	* request came through ScriptAlias or not... so the Alias module
	* leaves a note for us.
	*/

	static int is_scriptaliased(request_rec *r)
	{
	const char *t = ap_table_get(r->notes, "alias-forced-type");
	return t && (!strcasecmp(t, "cgi-script"));
	}

	/* Configuration stuff */

	#define DEFAULT_LOGBYTES 10385760
	#define DEFAULT_BUFBYTES 1024

	typedef struct {
	char *logname;
	long logbytes;
	int bufbytes;
	} cgi_server_conf;

	static void create_cgi_config(ap_context_t p, server_rec *s)
	{
	cgi_server_conf *c =
	(cgi_server_conf *) ap_pcalloc(p, sizeof(cgi_server_conf));

	c->logname = NULL;
	c->logbytes = DEFAULT_LOGBYTES;
	c->bufbytes = DEFAULT_BUFBYTES;

	return c;
	}

	static void merge_cgi_config(ap_context_t p, void basev, void overridesv)
	{
	cgi_server_conf base = (cgi_server_conf ) basev, overrides = (cgi_server_conf ) overridesv;

	return overrides->logname ? overrides : base;
	}

	static const char set_scriptlog(cmd_parms cmd, void dummy, char arg)
	{
	server_rec *s = cmd->server;
	cgi_server_conf *conf =
	(cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

	conf->logname = arg;
	return NULL;
	}

	static const char set_scriptlog_length(cmd_parms cmd, void dummy, char arg)
	{
	server_rec *s = cmd->server;
	cgi_server_conf *conf =
	(cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

	conf->logbytes = atol(arg);
	return NULL;
	}

	static const char set_scriptlog_buffer(cmd_parms cmd, void dummy, char arg)
	{
	server_rec *s = cmd->server;
	cgi_server_conf *conf =
	(cgi_server_conf *) ap_get_module_config(s->module_config, &cgi_module);

	conf->bufbytes = atoi(arg);
	return NULL;
	}

	static const command_rec cgi_cmds[] =
	{
	{"ScriptLog", set_scriptlog, NULL, RSRC_CONF, TAKE1,
	"the name of a log for script debugging info"},
	{"ScriptLogLength", set_scriptlog_length, NULL, RSRC_CONF, TAKE1,
	"the maximum length (in bytes) of the script debug log"},
	{"ScriptLogBuffer", set_scriptlog_buffer, NULL, RSRC_CONF, TAKE1,
	"the maximum size (in bytes) to record of a POST request"},
	{NULL}
	};

	static int log_scripterror(request_rec r, cgi_server_conf conf, int ret,
	int show_errno, char *error)
	{
	ap_file_t *f = NULL;
	struct stat finfo;
	char time_str[AP_CTIME_LEN];

	ap_log_rerror(APLOG_MARK, show_errno\|APLOG_ERR, errno, r,
	"%s: %s", error, r->filename);

	if (!conf->logname \|\|
	((stat(ap_server_root_relative(r->pool, conf->logname), &finfo) == 0)
	&& (finfo.st_size > conf->logbytes)) \|\|
	(ap_open(&f, ap_server_root_relative(r->pool, conf->logname),
	APR_APPEND \| APR_BUFFERED, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {
	return ret;
	}

	/* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */
	ap_ctime(time_str, ap_now());
	ap_fprintf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,
	r->args ? "?" : "", r->args ? r->args : "", r->protocol);
	/* "%% 500 /usr/local/apache/cgi-bin */
	ap_fprintf(f, "%%%% %d %s\n", ret, r->filename);

	ap_fprintf(f, "%%error\n%s\n", error);

	ap_close(f);
	return ret;
	}

	static int log_script(request_rec r, cgi_server_conf conf, int ret,
	char dbuf, const char sbuf, BUFF script_in, BUFF script_err)
	{
	ap_array_header_t *hdrs_arr = ap_table_elts(r->headers_in);
	ap_table_entry_t hdrs = (ap_table_entry_t ) hdrs_arr->elts;
	char argsbuffer[HUGE_STRING_LEN];
	ap_file_t *f = NULL;
	int i;
	struct stat finfo;
	char time_str[AP_CTIME_LEN];

	if (!conf->logname \|\|
	((stat(ap_server_root_relative(r->pool, conf->logname), &finfo) == 0)
	&& (finfo.st_size > conf->logbytes)) \|\|
	(ap_open(&f, ap_server_root_relative(r->pool, conf->logname),
	APR_APPEND, APR_OS_DEFAULT, r->pool) != APR_SUCCESS)) {
	/* Soak up script output */
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0)
	continue;
	#ifdef WIN32
	/* Soak up stderr and redirect it to the error log.
	* Script output to stderr is already directed to the error log
	* on Unix, thanks to the magic of fork().
	*/
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
	ap_log_rerror(APLOG_MARK, APLOG_ERR \| APLOG_NOERRNO, 0, r,
	"%s", argsbuffer);
	}
	#else
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0)
	continue;
	#endif
	return ret;
	}

	/* "%% [Wed Jun 19 10:53:21 1996] GET /cgi-bin/printenv HTTP/1.0" */
	ap_ctime(time_str, ap_now());
	ap_fprintf(f, "%%%% [%s] %s %s%s%s %s\n", time_str, r->method, r->uri,
	r->args ? "?" : "", r->args ? r->args : "", r->protocol);
	/* "%% 500 /usr/local/apache/cgi-bin" */
	ap_fprintf(f, "%%%% %d %s\n", ret, r->filename);

	ap_puts("%request\n", f);
	for (i = 0; i < hdrs_arr->nelts; ++i) {
	if (!hdrs[i].key)
	continue;
	ap_fprintf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);
	}
	if ((r->method_number == M_POST \|\| r->method_number == M_PUT)
	&& *dbuf) {
	ap_fprintf(f, "\n%s\n", dbuf);
	}

	ap_puts("%response\n", f);
	hdrs_arr = ap_table_elts(r->err_headers_out);
	hdrs = (ap_table_entry_t *) hdrs_arr->elts;

	for (i = 0; i < hdrs_arr->nelts; ++i) {
	if (!hdrs[i].key)
	continue;
	ap_fprintf(f, "%s: %s\n", hdrs[i].key, hdrs[i].val);
	}

	if (sbuf && *sbuf)
	ap_fprintf(f, "%s\n", sbuf);

	if (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0) {
	ap_puts("%stdout\n", f);
	ap_puts(argsbuffer, f);
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0)
	ap_puts(argsbuffer, f);
	ap_puts("\n", f);
	}

	if (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
	ap_puts("%stderr\n", f);
	ap_puts(argsbuffer, f);
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0)
	ap_puts(argsbuffer, f);
	ap_puts("\n", f);
	}

	ap_bclose(script_in);
	ap_bclose(script_err);

	ap_close(f);
	return ret;
	}
	static ap_status_t run_cgi_child(BUFF script_out, BUFF script_in, BUFF **script_err,
	char command, char const argv[], request_rec r, ap_context_t p)
	{
	char **env;
	ap_procattr_t *procattr;
	ap_proc_t *procnew;
	ap_status_t rc = APR_SUCCESS;
	ap_file_t *file = NULL;
	ap_iol *iol;

	#ifdef DEBUG_CGI
	#ifdef OS2
	/* Under OS/2 need to use device con. */
	FILE *dbg = fopen("con", "w");
	#else
	FILE *dbg = fopen("/dev/tty", "w");
	#endif
	int i;
	#endif

	ap_block_alarms();

	RAISE_SIGSTOP(CGI_CHILD);
	#ifdef DEBUG_CGI
	fprintf(dbg, "Attempting to exec %s as %sCGI child (argv0 = %s)\n",
	r->filename, cld->nph ? "NPH " : "", argv0);
	#endif

	ap_add_cgi_vars(r);
	env = ap_create_environment(p, r->subprocess_env);

	#ifdef DEBUG_CGI
	fprintf(dbg, "Environment: \n");
	for (i = 0; env[i]; ++i)
	fprintf(dbg, "'%s'\n", env[i]);
	#endif

	/* Transumute ourselves into the script.
	* NB only ISINDEX scripts get decoded arguments.
	*/
	if (((rc = ap_createprocattr_init(&procattr, p)) != APR_SUCCESS) \|\|
	((rc = ap_setprocattr_io(procattr,
	APR_FULL_BLOCK,
	APR_FULL_BLOCK,
	APR_FULL_BLOCK)) != APR_SUCCESS) \|\|
	((rc = ap_setprocattr_dir(procattr,
	ap_make_dirstr_parent(r->pool, r->filename))) != APR_SUCCESS) \|\|
	((rc = ap_setprocattr_cmdtype(procattr, APR_PROGRAM)) != APR_SUCCESS)) {
	/* Something bad happened, tell the world. */
	ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
	"couldn't create child process: %s", r->filename);
	}
	else {
	rc = ap_create_process(&procnew, command, argv, env, procattr, p);

	if (rc != APR_SUCCESS) {
	/* Bad things happened. Everyone should have cleaned up. */
	ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
	"couldn't create child process: %d: %s", rc, r->filename);
	}
	else {
	ap_note_subprocess(p, procnew, kill_after_timeout);

	/* Fill in BUFF structure for parents pipe to child's stdout */
	ap_get_childout(&file, procnew);
	iol = ap_create_file_iol(file);
	if (!iol)
	return APR_EBADF;
	*script_in = ap_bcreate(p, B_RD);
	ap_bpush_iol(*script_in, iol);

	/* Fill in BUFF structure for parents pipe to child's stdin */
	ap_get_childin(&file, procnew);
	iol = ap_create_file_iol(file);
	if (!iol)
	return APR_EBADF;
	*script_out = ap_bcreate(p, B_WR);
	ap_bpush_iol(*script_out, iol);

	/* Fill in BUFF structure for parents pipe to child's stderr */
	ap_get_childerr(&file, procnew);
	iol = ap_create_file_iol(file);
	if (!iol)
	return APR_EBADF;
	*script_err = ap_bcreate(p, B_RD);
	ap_bpush_iol(*script_err, iol);
	}
	}
	ap_unblock_alarms();
	return (rc);
	}
	static ap_status_t build_argv_list(char **argv, request_rec r, ap_context_t *p)
	{
	int numwords, x, idx;
	char *w;
	const char *args = r->args;

	if (!args \|\| !args[0] \|\| strchr(args, '=')) {
	numwords = 1;
	}
	else {
	/* count the number of keywords */
	for (x = 0, numwords = 2; args[x]; x++) {
	if (args[x] == '+') {
	++numwords;
	}
	}
	}
	/* Everything is - 1 to account for the first parameter which is the
	* program name. We didn't used to have to do this, but APR wants it.
	*/
	if (numwords > APACHE_ARG_MAX - 1) {
	numwords = APACHE_ARG_MAX - 1; /* Truncate args to prevent overrun */
	}
	argv = (char ) ap_palloc(p, (numwords + 2) sizeof(char *));

	for (x = 1, idx = 1; x < numwords; x++) {
	w = ap_getword_nulls(p, &args, '+');
	ap_unescape_url(w);
	(*argv)[idx++] = ap_escape_shell_cmd(p, w);
	}
	(*argv)[idx] = NULL;

	return APR_SUCCESS;
	}

	static ap_status_t build_command_line(char *c, request_rec r, ap_context_t *p)
	{
	#ifdef WIN32
	char *quoted_filename = NULL;
	char *interpreter = NULL;
	file_type_e fileType;

	*c = NULL;
	fileType = ap_get_win32_interpreter(r, &interpreter);

	if (fileType == eFileTypeUNKNOWN) {
	ap_log_rerror(APLOG_MARK, APLOG_ERR\|APLOG_NOERRNO, 0, r,
	"%s is not executable; ensure interpreted scripts have "
	"\"#!\" first line",
	r->filename);
	return APR_EBADF;
	}

	/*
	* Build the command string to pass to ap_create_process()
	*/
	quoted_filename = ap_pstrcat(p, "\"", r->filename, "\"", NULL);
	if (interpreter && *interpreter) {
	*c = ap_pstrcat(p, interpreter, " ", quoted_filename, " ", NULL);
	}
	else {
	*c = ap_pstrcat(p, quoted_filename, " ", NULL);
	}
	#else
	*c = ap_pstrcat(p, r->filename, NULL);
	#endif
	return APR_SUCCESS;
	}

	static int cgi_handler(request_rec *r)
	{
	int retval, nph, dbpos = 0;
	char argv0, dbuf = NULL;
	char *command;
	char **argv = NULL;

	BUFF script_out = NULL, script_in = NULL, *script_err = NULL;
	char argsbuffer[HUGE_STRING_LEN];
	int is_included = !strcmp(r->protocol, "INCLUDED");
	void *sconf = r->server->module_config;
	ap_context_t *p;
	cgi_server_conf *conf =
	(cgi_server_conf *) ap_get_module_config(sconf, &cgi_module);

	p = r->main ? r->main->pool : r->pool;

	if (r->method_number == M_OPTIONS) {
	/* 99 out of 100 CGI scripts, this is all they support */
	r->allowed \|= (1 << M_GET);
	r->allowed \|= (1 << M_POST);
	return DECLINED;
	}

	if ((argv0 = strrchr(r->filename, '/')) != NULL)
	argv0++;
	else
	argv0 = r->filename;

	nph = !(strncmp(argv0, "nph-", 4));

	if (!(ap_allow_options(r) & OPT_EXECCGI) && !is_scriptaliased(r))
	return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
	"Options ExecCGI is off in this directory");
	if (nph && is_included)
	return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
	"attempt to include NPH CGI script");

	#if defined(OS2) \|\| defined(WIN32)
	/* Allow for cgi files without the .EXE extension on them under OS/2 */
	if (r->finfo.protection == 0) {
	struct stat statbuf;
	char *newfile;

	newfile = ap_pstrcat(r->pool, r->filename, ".EXE", NULL);

	if ((stat(newfile, &statbuf) != 0) \|\| (!S_ISREG(statbuf.st_mode))) {
	return log_scripterror(r, conf, NOT_FOUND, 0,
	"script not found or unable to stat");
	} else {
	r->filename = newfile;
	}
	}
	#else
	if (r->finfo.protection == 0)
	return log_scripterror(r, conf, NOT_FOUND, APLOG_NOERRNO,
	"script not found or unable to stat");
	#endif
	if (r->finfo.filetype == APR_DIR)
	return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
	"attempt to invoke directory as script");

	/*
	if (!ap_suexec_enabled) {
	if (!ap_can_exec(&r->finfo))
	return log_scripterror(r, conf, FORBIDDEN, APLOG_NOERRNO,
	"file permissions deny server execution");
	}

	*/
	if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)))
	return retval;

	ap_add_common_vars(r);

	/* build the command line */
	if (build_command_line(&command, r, p) != APR_SUCCESS) {
	ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
	"couldn't spawn child process: %s", r->filename);
	return HTTP_INTERNAL_SERVER_ERROR;
	}
	/* build the argument list */
	else if (build_argv_list(&argv, r, p) != APR_SUCCESS) {
	ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
	"couldn't spawn child process: %s", r->filename);
	return HTTP_INTERNAL_SERVER_ERROR;
	}
	argv[0] = ap_pstrdup(p, command);
	/* run the script in its own process */
	if (run_cgi_child(&script_out, &script_in, &script_err, command, argv, r, p) != APR_SUCCESS) {
	ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
	"couldn't spawn child process: %s", r->filename);
	return HTTP_INTERNAL_SERVER_ERROR;
	}

	/* Transfer any put/post args, CERN style...
	* Note that we already ignore SIGPIPE in the core server.
	*/
	if (ap_should_client_block(r)) {
	int dbsize, len_read;
	ap_ssize_t bytes_written;

	if (conf->logname) {
	dbuf = ap_pcalloc(r->pool, conf->bufbytes + 1);
	dbpos = 0;
	}

	while ((len_read =
	ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN)) > 0) {
	if (conf->logname) {
	if ((dbpos + len_read) > conf->bufbytes) {
	dbsize = conf->bufbytes - dbpos;
	}
	else {
	dbsize = len_read;
	}
	memcpy(dbuf + dbpos, argsbuffer, dbsize);
	dbpos += dbsize;
	}
	(void) ap_bwrite(script_out, argsbuffer, len_read, &bytes_written);
	if (bytes_written < len_read) {
	/* silly script stopped reading, soak up remaining message */
	while (ap_get_client_block(r, argsbuffer, HUGE_STRING_LEN) > 0) {
	/* dump it */
	}
	break;
	}
	}
	ap_bflush(script_out);
	}

	ap_bclose(script_out);

	/* Handle script return... */
	if (script_in && !nph) {
	const char *location;
	char sbuf[MAX_STRING_LEN];
	int ret;

	if ((ret = ap_scan_script_header_err_buff(r, script_in, sbuf))) {
	return log_script(r, conf, ret, dbuf, sbuf, script_in, script_err);
	}

	#ifdef CHARSET_EBCDIC
	/* Now check the Content-Type to decide if conversion is needed */
	ap_checkconv(r);
	#endif /CHARSET_EBCDIC/

	location = ap_table_get(r->headers_out, "Location");

	if (location && location[0] == '/' && r->status == 200) {

	/* Soak up all the script output */
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_in) > 0) {
	continue;
	}
	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
	continue;
	}
	/* This redirect needs to be a GET no matter what the original
	* method was.
	*/
	r->method = ap_pstrdup(r->pool, "GET");
	r->method_number = M_GET;

	/* We already read the message body (if any), so don't allow
	* the redirected request to think it has one. We can ignore
	* Transfer-Encoding, since we used REQUEST_CHUNKED_ERROR.
	*/
	ap_table_unset(r->headers_in, "Content-Length");

	ap_internal_redirect_handler(location, r);
	return OK;
	}
	else if (location && r->status == 200) {
	/* XX Note that if a script wants to produce its own Redirect
	* body, it now has to explicitly say "Status: 302"
	*/
	return REDIRECT;
	}

	ap_send_http_header(r);
	if (!r->header_only) {
	ap_send_fb(script_in, r);
	}
	ap_bclose(script_in);

	while (ap_bgets(argsbuffer, HUGE_STRING_LEN, script_err) > 0) {
	continue;
	}
	ap_bclose(script_err);
	}

	if (script_in && nph) {
	ap_send_fb(script_in, r);
	}

	return OK; /* NOT r->status, even if it has changed. */
	}

	static const handler_rec cgi_handlers[] =
	{
	{CGI_MAGIC_TYPE, cgi_handler},
	{"cgi-script", cgi_handler},
	{NULL}
	};

	module MODULE_VAR_EXPORT cgi_module =
	{
	STANDARD20_MODULE_STUFF,
	NULL, /* dir config creater */
	NULL, /* dir merger --- default is to override */
	create_cgi_config, /* server config */
	merge_cgi_config, /* merge server config */
	cgi_cmds, /* command ap_table_t */
	cgi_handlers, /* handlers */
	NULL /* register hooks */
	};