NetBSD/libexec/httpd/main.c

358 lines
8.9 KiB
C

/* $NetBSD: main.c,v 1.7 2014/01/02 08:21:38 mrg Exp $ */
/* $eterna: main.c,v 1.6 2011/11/18 09:21:15 mrg Exp $ */
/* from: eterna: bozohttpd.c,v 1.159 2009/05/23 02:14:30 mrg Exp */
/*
* Copyright (c) 1997-2014 Matthew R. Green
* 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 and
* dedication in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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 program is dedicated to the Great God of Processed Cheese */
/*
* main.c: C front end to bozohttpd
*/
#include <sys/types.h>
#include <sys/param.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>
#include "bozohttpd.h"
/* variables and functions */
#ifndef LOG_FTP
#define LOG_FTP LOG_DAEMON
#endif
/* print a usage message, and then exit */
BOZO_DEAD static void
usage(bozohttpd_t *httpd, char *progname)
{
bozo_warn(httpd, "usage: %s [options] slashdir [virtualhostname]",
progname);
bozo_warn(httpd, "options:");
#ifndef NO_DEBUG
bozo_warn(httpd, " -d\t\t\tenable debug support");
#endif
bozo_warn(httpd, " -s\t\t\talways log to stderr");
#ifndef NO_USER_SUPPORT
bozo_warn(httpd, " -u\t\t\tenable ~user/public_html support");
bozo_warn(httpd, " -p dir\t\tchange `public_html' directory name]");
#endif
#ifndef NO_DYNAMIC_CONTENT
bozo_warn(httpd, " -M arg t c c11\tadd this mime extenstion");
#endif
#ifndef NO_CGIBIN_SUPPORT
#ifndef NO_DYNAMIC_CONTENT
bozo_warn(httpd, " -C arg prog\t\tadd this CGI handler");
#endif
bozo_warn(httpd,
" -c cgibin\t\tenable cgi-bin support in this directory");
#endif
#ifndef NO_LUA_SUPPORT
bozo_warn(httpd, " -L arg script\tadd this Lua script");
#endif
bozo_warn(httpd, " -I port\t\tbind or use on this port");
#ifndef NO_DAEMON_MODE
bozo_warn(httpd, " -b\t\t\tbackground and go into daemon mode");
bozo_warn(httpd, " -f\t\t\tkeep daemon mode in the foreground");
bozo_warn(httpd,
" -i address\t\tbind on this address (daemon mode only)");
bozo_warn(httpd, " -P pidfile\t\tpath to the pid file to create");
#endif
bozo_warn(httpd, " -S version\t\tset server version string");
bozo_warn(httpd, " -t dir\t\tchroot to `dir'");
bozo_warn(httpd, " -U username\t\tchange user to `user'");
bozo_warn(httpd,
" -e\t\t\tdon't clean the environment (-t and -U only)");
bozo_warn(httpd,
" -v virtualroot\tenable virtual host support "
"in this directory");
bozo_warn(httpd,
" -r\t\t\tmake sure sub-pages come from "
"this host via referrer");
#ifndef NO_DIRINDEX_SUPPORT
bozo_warn(httpd,
" -X\t\t\tenable automatic directory index support");
bozo_warn(httpd,
" -H\t\t\thide files starting with a period (.)"
" in index mode");
#endif
bozo_warn(httpd,
" -x index\t\tchange default `index.html' file name");
#ifndef NO_SSL_SUPPORT
bozo_warn(httpd,
" -Z cert privkey\tspecify path to server certificate"
" and private key file\n"
"\t\t\tin pem format and enable bozohttpd in SSL mode");
#endif /* NO_SSL_SUPPORT */
bozo_err(httpd, 1, "%s failed to start", progname);
}
int
main(int argc, char **argv)
{
bozo_httpreq_t *request;
bozohttpd_t httpd;
bozoprefs_t prefs;
char *progname;
int c;
(void) memset(&httpd, 0x0, sizeof(httpd));
(void) memset(&prefs, 0x0, sizeof(prefs));
if ((progname = strrchr(argv[0], '/')) == NULL)
progname = argv[0];
else
progname++;
openlog(progname, LOG_PID|LOG_NDELAY, LOG_FTP);
bozo_set_defaults(&httpd, &prefs);
while ((c = getopt(argc, argv,
"C:HI:L:M:P:S:U:VXZ:bc:defhi:np:rst:uv:x:z:")) != -1) {
switch(c) {
case 'L':
#ifdef NO_LUA_SUPPORT
bozo_err(&httpd, 1,
"Lua support is not enabled");
/* NOTREACHED */
#else
/* make sure there's two argument */
if (argc - optind < 1)
usage(&httpd, progname);
bozo_add_lua_map(&httpd, optarg, argv[optind]);
optind++;
break;
#endif /* NO_LUA_SUPPORT */
case 'M':
#ifdef NO_DYNAMIC_CONTENT
bozo_err(&httpd, 1,
"dynamic mime content support is not enabled");
/* NOTREACHED */
#else
/* make sure there's four arguments */
if (argc - optind < 3)
usage(&httpd, progname);
bozo_add_content_map_mime(&httpd, optarg, argv[optind],
argv[optind+1], argv[optind+2]);
optind += 3;
break;
#endif /* NO_DYNAMIC_CONTENT */
case 'n':
bozo_set_pref(&prefs, "numeric", "true");
break;
case 'r':
bozo_set_pref(&prefs, "trusted referal", "true");
break;
case 's':
bozo_set_pref(&prefs, "log to stderr", "true");
break;
case 'S':
bozo_set_pref(&prefs, "server software", optarg);
break;
case 'Z':
#ifdef NO_SSL_SUPPORT
bozo_err(&httpd, 1, "ssl support is not enabled");
/* NOT REACHED */
#else
/* make sure there's two arguments */
if (argc - optind < 1)
usage(&httpd, progname);
bozo_ssl_set_opts(&httpd, optarg, argv[optind++]);
break;
#endif /* NO_SSL_SUPPORT */
case 'U':
bozo_set_pref(&prefs, "username", optarg);
break;
case 'V':
bozo_set_pref(&prefs, "unknown slash", "true");
break;
case 'v':
bozo_set_pref(&prefs, "virtual base", optarg);
break;
case 'x':
bozo_set_pref(&prefs, "index.html", optarg);
break;
case 'I':
bozo_set_pref(&prefs, "port number", optarg);
break;
#ifdef NO_DAEMON_MODE
case 'b':
case 'e':
case 'f':
case 'i':
case 'P':
bozo_err(&httpd, 1, "Daemon mode is not enabled");
/* NOTREACHED */
#else
case 'b':
/*
* test suite support - undocumented
* background == 2 (aka, -b -b) means to
* only process 1 per kid
*/
if (bozo_get_pref(&prefs, "background") == NULL) {
bozo_set_pref(&prefs, "background", "1");
} else {
bozo_set_pref(&prefs, "background", "2");
}
break;
case 'e':
bozo_set_pref(&prefs, "dirty environment", "true");
break;
case 'f':
bozo_set_pref(&prefs, "foreground", "true");
break;
case 'i':
bozo_set_pref(&prefs, "bind address", optarg);
break;
case 'P':
bozo_set_pref(&prefs, "pid file", optarg);
break;
#endif /* NO_DAEMON_MODE */
#ifdef NO_CGIBIN_SUPPORT
case 'c':
case 'C':
bozo_err(&httpd, 1, "CGI is not enabled");
/* NOTREACHED */
#else
case 'c':
bozo_cgi_setbin(&httpd, optarg);
break;
case 'C':
# ifdef NO_DYNAMIC_CONTENT
bozo_err(&httpd, 1,
"dynamic CGI handler support is not enabled");
/* NOTREACHED */
# else
/* make sure there's two arguments */
if (argc - optind < 1)
usage(&httpd, progname);
bozo_add_content_map_cgi(&httpd, optarg,
argv[optind++]);
break;
# endif /* NO_DYNAMIC_CONTENT */
#endif /* NO_CGIBIN_SUPPORT */
case 'd':
httpd.debug++;
#ifdef NO_DEBUG
if (httpd.debug == 1)
bozo_warn(&httpd, "Debugging is not enabled");
#endif /* NO_DEBUG */
break;
#ifdef NO_USER_SUPPORT
case 'p':
case 't':
case 'u':
bozo_err(&httpd, 1, "User support is not enabled");
/* NOTREACHED */
#else
case 'p':
bozo_set_pref(&prefs, "public_html", optarg);
break;
case 't':
bozo_set_pref(&prefs, "chroot dir", optarg);
break;
case 'u':
bozo_set_pref(&prefs, "enable users", "true");
break;
#endif /* NO_USER_SUPPORT */
#ifdef NO_DIRINDEX_SUPPORT
case 'H':
case 'X':
bozo_err(&httpd, 1,
"directory indexing is not enabled");
/* NOTREACHED */
#else
case 'H':
bozo_set_pref(&prefs, "hide dots", "true");
break;
case 'X':
bozo_set_pref(&prefs, "directory indexing", "true");
break;
#endif /* NO_DIRINDEX_SUPPORT */
default:
usage(&httpd, progname);
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (argc == 0 || argc > 2) {
usage(&httpd, progname);
}
/* virtual host, and root of tree to serve */
bozo_setup(&httpd, &prefs, argv[1], argv[0]);
/*
* read and process the HTTP request.
*/
do {
if ((request = bozo_read_request(&httpd)) != NULL) {
bozo_process_request(request);
bozo_clean_request(request);
}
} while (httpd.background);
return (0);
}