393 lines
9.7 KiB
C
393 lines
9.7 KiB
C
/* $NetBSD: main.c,v 1.16 2016/10/04 18:33:00 mrg Exp $ */
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/* $eterna: main.c,v 1.6 2011/11/18 09:21:15 mrg Exp $ */
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/* from: eterna: bozohttpd.c,v 1.159 2009/05/23 02:14:30 mrg Exp */
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/*
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* Copyright (c) 1997-2016 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer and
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* dedication in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* this program is dedicated to the Great God of Processed Cheese */
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/*
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* main.c: C front end to bozohttpd
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <time.h>
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#include <unistd.h>
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#include "bozohttpd.h"
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/* variables and functions */
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#ifndef LOG_FTP
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#define LOG_FTP LOG_DAEMON
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#endif
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/* print a usage message, and then exit */
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BOZO_DEAD static void
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usage(bozohttpd_t *httpd, char *progname)
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{
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bozowarn(httpd, "usage: %s [options] slashdir [virtualhostname]",
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progname);
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bozowarn(httpd, "options:");
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#ifndef NO_DEBUG
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bozowarn(httpd, " -d\t\t\tenable debug support");
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#endif
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bozowarn(httpd, " -s\t\t\talways log to stderr");
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#ifndef NO_DYNAMIC_CONTENT
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bozowarn(httpd, " -M arg t c c11\tadd this mime extenstion");
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#endif
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#ifndef NO_USER_SUPPORT
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bozowarn(httpd, " -u\t\t\tenable ~user/public_html support");
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bozowarn(httpd, " -p dir\t\tchange `public_html' directory name");
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#ifndef NO_CGIBIN_SUPPORT
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bozowarn(httpd, " -E\t\t\tenable CGI support for user dirs");
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#endif
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#endif
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#ifndef NO_CGIBIN_SUPPORT
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#ifndef NO_DYNAMIC_CONTENT
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bozowarn(httpd, " -C arg prog\t\tadd this CGI handler");
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#endif
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bozowarn(httpd,
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" -c cgibin\t\tenable cgi-bin support in this directory");
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#endif
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#ifndef NO_LUA_SUPPORT
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bozowarn(httpd, " -L arg script\tadd this Lua script");
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#endif
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bozowarn(httpd, " -I port\t\tbind or use on this port");
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#ifndef NO_DAEMON_MODE
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bozowarn(httpd, " -b\t\t\tbackground and go into daemon mode");
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bozowarn(httpd, " -f\t\t\tkeep daemon mode in the foreground");
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bozowarn(httpd,
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" -i address\t\tbind on this address (daemon mode only)");
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bozowarn(httpd, " -P pidfile\t\tpath to the pid file to create");
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#endif
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bozowarn(httpd, " -S version\t\tset server version string");
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bozowarn(httpd, " -t dir\t\tchroot to `dir'");
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bozowarn(httpd, " -U username\t\tchange user to `user'");
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bozowarn(httpd,
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" -e\t\t\tdon't clean the environment (-t and -U only)");
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bozowarn(httpd,
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" -v virtualroot\tenable virtual host support "
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"in this directory");
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bozowarn(httpd, " -V\t\tUnknown virtual hosts go to `slashdir'");
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#ifndef NO_DIRINDEX_SUPPORT
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bozowarn(httpd,
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" -X\t\t\tenable automatic directory index support");
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bozowarn(httpd,
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" -H\t\t\thide files starting with a period (.)"
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" in index mode");
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#endif
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bozowarn(httpd,
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" -x index\t\tchange default `index.html' file name");
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#ifndef NO_SSL_SUPPORT
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bozowarn(httpd,
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" -z ciphers\t\tspecify SSL ciphers");
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bozowarn(httpd,
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" -Z cert privkey\tspecify path to server certificate"
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" and private key file\n"
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"\t\t\tin pem format and enable bozohttpd in SSL mode");
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#endif /* NO_SSL_SUPPORT */
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bozowarn(httpd, " -G print version number and exit");
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bozoerr(httpd, 1, "%s failed to start", progname);
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}
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int
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main(int argc, char **argv)
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{
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bozo_httpreq_t *request;
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bozohttpd_t httpd;
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bozoprefs_t prefs;
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char *progname;
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const char *val;
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int c;
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(void) memset(&httpd, 0x0, sizeof(httpd));
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(void) memset(&prefs, 0x0, sizeof(prefs));
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if ((progname = strrchr(argv[0], '/')) == NULL)
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progname = argv[0];
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else
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progname++;
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openlog(progname, LOG_PID|LOG_NDELAY, LOG_FTP);
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bozo_set_defaults(&httpd, &prefs);
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/*
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* -r option was removed, do not reuse it for a while
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*/
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while ((c = getopt(argc, argv,
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"C:EGHI:L:M:P:S:U:VXZ:bc:defhi:np:st:uv:x:z:")) != -1) {
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switch (c) {
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case 'L':
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#ifdef NO_LUA_SUPPORT
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bozoerr(&httpd, 1,
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"Lua support is not enabled");
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/* NOTREACHED */
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#else
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/* make sure there's two argument */
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if (argc - optind < 1)
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usage(&httpd, progname);
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bozo_add_lua_map(&httpd, optarg, argv[optind]);
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optind++;
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break;
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#endif /* NO_LUA_SUPPORT */
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case 'M':
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#ifdef NO_DYNAMIC_CONTENT
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bozoerr(&httpd, 1,
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"dynamic mime content support is not enabled");
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/* NOTREACHED */
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#else
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/* make sure there's four arguments */
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if (argc - optind < 3)
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usage(&httpd, progname);
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bozo_add_content_map_mime(&httpd, optarg, argv[optind],
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argv[optind+1], argv[optind+2]);
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optind += 3;
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break;
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#endif /* NO_DYNAMIC_CONTENT */
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case 'n':
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bozo_set_pref(&httpd, &prefs, "numeric", "true");
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break;
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case 's':
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bozo_set_pref(&httpd, &prefs, "log to stderr", "true");
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break;
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case 'S':
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bozo_set_pref(&httpd, &prefs, "server software",
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optarg);
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break;
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case 'Z':
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#ifdef NO_SSL_SUPPORT
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bozoerr(&httpd, 1, "ssl support is not enabled");
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/* NOT REACHED */
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#else
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/* make sure there's two arguments */
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if (argc - optind < 1)
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usage(&httpd, progname);
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bozo_ssl_set_opts(&httpd, optarg, argv[optind++]);
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break;
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#endif /* NO_SSL_SUPPORT */
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case 'z':
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#ifdef NO_SSL_SUPPORT
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bozoerr(&httpd, 1, "ssl support is not enabled");
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/* NOT REACHED */
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#else
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bozo_ssl_set_ciphers(&httpd, optarg);
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break;
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#endif /* NO_SSL_SUPPORT */
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case 'U':
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bozo_set_pref(&httpd, &prefs, "username", optarg);
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break;
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case 'V':
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bozo_set_pref(&httpd, &prefs, "unknown slash", "true");
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break;
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case 'v':
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bozo_set_pref(&httpd, &prefs, "virtual base", optarg);
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break;
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case 'x':
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bozo_set_pref(&httpd, &prefs, "index.html", optarg);
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break;
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case 'I':
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bozo_set_pref(&httpd, &prefs, "port number", optarg);
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break;
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#ifdef NO_DAEMON_MODE
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case 'b':
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case 'e':
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case 'f':
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case 'i':
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case 'P':
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bozoerr(&httpd, 1, "Daemon mode is not enabled");
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/* NOTREACHED */
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#else
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case 'b':
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/*
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* test suite support - undocumented
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* background == 2 (aka, -b -b) means to
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* only process 1 per kid
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*/
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val = bozo_get_pref(&prefs, "background") == NULL ?
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"1" : "2";
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bozo_set_pref(&httpd, &prefs, "background", val);
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break;
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case 'e':
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bozo_set_pref(&httpd, &prefs, "dirty environment",
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"true");
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break;
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case 'f':
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bozo_set_pref(&httpd, &prefs, "foreground", "true");
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break;
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case 'i':
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bozo_set_pref(&httpd, &prefs, "bind address", optarg);
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break;
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case 'P':
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bozo_set_pref(&httpd, &prefs, "pid file", optarg);
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break;
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#endif /* NO_DAEMON_MODE */
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#ifdef NO_CGIBIN_SUPPORT
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case 'c':
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case 'C':
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bozoerr(&httpd, 1, "CGI is not enabled");
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/* NOTREACHED */
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#else
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case 'c':
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bozo_cgi_setbin(&httpd, optarg);
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break;
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case 'C':
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# ifdef NO_DYNAMIC_CONTENT
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bozoerr(&httpd, 1,
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"dynamic CGI handler support is not enabled");
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/* NOTREACHED */
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# else
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/* make sure there's two arguments */
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if (argc - optind < 1)
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usage(&httpd, progname);
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bozo_add_content_map_cgi(&httpd, optarg,
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argv[optind++]);
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break;
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# endif /* NO_DYNAMIC_CONTENT */
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#endif /* NO_CGIBIN_SUPPORT */
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case 'd':
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httpd.debug++;
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#ifdef NO_DEBUG
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if (httpd.debug == 1)
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bozowarn(&httpd, "Debugging is not enabled");
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#endif /* NO_DEBUG */
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break;
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case 't':
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bozo_set_pref(&httpd, &prefs, "chroot dir", optarg);
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break;
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#ifdef NO_USER_SUPPORT
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case 'p':
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case 'u':
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case 'E':
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bozoerr(&httpd, 1, "User support is not enabled");
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/* NOTREACHED */
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#else
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case 'p':
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bozo_set_pref(&httpd, &prefs, "public_html", optarg);
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break;
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case 'u':
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bozo_set_pref(&httpd, &prefs, "enable users", "true");
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break;
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#ifndef NO_CGIBIN_SUPPORT
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case 'E':
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bozo_set_pref(&httpd, &prefs, "enable user cgibin",
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"true");
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break;
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#else
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case 'E':
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bozoerr(&httpd, 1, "CGI is not enabled");
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/* NOTREACHED */
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#endif /* NO_CGIBIN_SPPORT */
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#endif /* NO_USER_SUPPORT */
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#ifdef NO_DIRINDEX_SUPPORT
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case 'H':
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case 'X':
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bozoerr(&httpd, 1,
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"directory indexing is not enabled");
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/* NOTREACHED */
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#else
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case 'H':
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bozo_set_pref(&httpd, &prefs, "hide dots", "true");
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break;
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case 'X':
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bozo_set_pref(&httpd, &prefs, "directory indexing",
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"true");
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break;
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#endif /* NO_DIRINDEX_SUPPORT */
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case 'G':
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{
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char version[128];
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bozo_get_version(version, sizeof(version));
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printf("bozohttpd version %s\n", version);
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}
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return 0;
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default:
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usage(&httpd, progname);
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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if (argc == 0 || argc > 2) {
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usage(&httpd, progname);
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}
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/* virtual host, and root of tree to serve */
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bozo_setup(&httpd, &prefs, argv[1], argv[0]);
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/*
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* read and process the HTTP request.
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*/
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do {
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if ((request = bozo_read_request(&httpd)) != NULL) {
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bozo_process_request(request);
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bozo_clean_request(request);
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}
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} while (httpd.background);
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return (0);
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}
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