httpd/lua/glue.c

/*-
 * Copyright (c) 2009 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Alistair Crooks (agc@netbsd.org)
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR 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.
 */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>

#include <bozohttpd.h>
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define LUA_LIB
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>

#ifndef __UNCONST
#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
#endif /* !__UNCONST */

int luaopen_bozohttpd(lua_State *);

/* init() */
static int
l_new(lua_State *L)
{
          bozohttpd_t         *httpd;

          httpd = lua_newuserdata(L, sizeof(*httpd));
          (void) memset(httpd, 0x0, sizeof(*httpd));
          return 1;
}

/* initialise(httpd) */
static int
l_init_httpd(lua_State *L)
{
          bozohttpd_t         *httpd;

          httpd = lua_touserdata(L, 1);
          lua_pushnumber(L, bozo_init_httpd(httpd));
          return 1;
}

/* initialise(prefs) */
static int
l_init_prefs(lua_State *L)
{
          bozohttpd_t         *httpd;
          bozoprefs_t         *prefs;

          prefs = lua_newuserdata(L, sizeof(*prefs));
          (void) memset(prefs, 0x0, sizeof(*prefs));
          httpd = lua_touserdata(L, 1);
          (void) bozo_init_prefs(httpd, prefs);
          return 1;
}

/* bozo_set_pref(httpd, prefs, name, value) */
static int
l_bozo_set_pref(lua_State *L)
{
          bozohttpd_t         *httpd;
          bozoprefs_t         *prefs;
          const char          *name;
          const char          *value;

          httpd = lua_touserdata(L, 1);
          prefs = lua_touserdata(L, 2);
          name = luaL_checkstring(L, 3);
          value = luaL_checkstring(L, 4);
          lua_pushnumber(L, bozo_set_pref(httpd, prefs, name, value));
          return 1;
}

/* bozo_get_pref(prefs, name) */
static int
l_bozo_get_pref(lua_State *L)
{
          bozoprefs_t         *prefs;
          const char          *name;

          prefs = lua_touserdata(L, 1);
          name = luaL_checkstring(L, 2);
          lua_pushstring(L, bozo_get_pref(prefs, name));
          return 1;
}

/* bozo_setup(httpd, prefs, host, root) */
static int
l_bozo_setup(lua_State *L)
{
          bozohttpd_t         *httpd;
          bozoprefs_t         *prefs;
          const char          *vhost;
          const char          *root;

          httpd = lua_touserdata(L, 1);
          prefs = lua_touserdata(L, 2);
          vhost = luaL_checkstring(L, 3);
          if (vhost && *vhost == 0x0) {
                    vhost = NULL;
          }
          root = luaL_checkstring(L, 4);
          lua_pushnumber(L, bozo_setup(httpd, prefs, vhost, root));
          return 1;
}

/* bozo_read_request(httpd) */
static int
l_bozo_read_request(lua_State *L)
{
          bozo_httpreq_t      *req;
          bozohttpd_t         *httpd;

          httpd = lua_touserdata(L, 1);
          req = bozo_read_request(httpd);
          lua_pushlightuserdata(L, req);
          return 1;
}

/* bozo_process_request(req) */
static int
l_bozo_process_request(lua_State *L)
{
          bozo_httpreq_t      *req;

          req = lua_touserdata(L, 1);
          if (req == NULL) {
                    return 0;
          }
          bozo_process_request(req);
          lua_pushnumber(L, 1);
          return 1;
}

/* bozo_clean_request(req) */
static int
l_bozo_clean_request(lua_State *L)
{
          bozo_httpreq_t      *req;

          req = lua_touserdata(L, 1);
          if (req == NULL) {
                    return 0;
          }
          bozo_clean_request(req);
          lua_pushnumber(L, 1);
          return 1;
}

/* dynamic_mime(httpd, one, two, three, four) */
static int
l_bozo_dynamic_mime(lua_State *L)
{
          bozohttpd_t         *httpd;
          const char          *s[4];

          httpd = lua_touserdata(L, 1);
          s[0] = luaL_checkstring(L, 2);
          s[1] = luaL_checkstring(L, 3);
          s[2] = luaL_checkstring(L, 4);
          s[3] = luaL_checkstring(L, 5);
          bozo_add_content_map_mime(httpd, s[0], s[1], s[2], s[3]);
          lua_pushnumber(L, 1);
          return 1;
}

/* ssl_set_opts(httpd, one, two) */
static int
l_bozo_ssl_set_opts(lua_State *L)
{
          bozohttpd_t         *httpd;
          const char          *s[2];

          httpd = lua_touserdata(L, 1);
          s[0] = luaL_checkstring(L, 2);
          s[1] = luaL_checkstring(L, 3);
          bozo_ssl_set_opts(httpd, s[0], s[1]);
          lua_pushnumber(L, 1);
          return 1;
}

/* cgi_setbin(httpd, bin) */
static int
l_bozo_cgi_setbin(lua_State *L)
{
          bozohttpd_t         *httpd;
          const char          *bin;

          httpd = lua_touserdata(L, 1);
          bin = luaL_checkstring(L, 2);
          bozo_cgi_setbin(httpd, bin);
          lua_pushnumber(L, 1);
          return 1;
}

/* cgi_map(httpd, 1, 2) */
static int
l_bozo_cgi_map(lua_State *L)
{
          bozohttpd_t         *httpd;
          const char          *s[2];

          httpd = lua_touserdata(L, 1);
          s[0] = luaL_checkstring(L, 2);
          s[1] = luaL_checkstring(L, 3);
          bozo_add_content_map_cgi(httpd, s[0], s[1]);
          lua_pushnumber(L, 1);
          return 1;
}

const struct luaL_Reg libluabozohttpd[] = {
          { "new",            l_new },
          { "init_httpd",               l_init_httpd },
          { "init_prefs",               l_init_prefs },

          { "set_pref",                 l_bozo_set_pref },
          { "get_pref",                 l_bozo_get_pref },
          { "setup",                    l_bozo_setup },
          { "dynamic_mime",   l_bozo_dynamic_mime },
          { "ssl_set_opts",   l_bozo_ssl_set_opts },
          { "cgi_setbin",               l_bozo_cgi_setbin },
          { "cgi_map",                  l_bozo_cgi_map },

          { "read_request",   l_bozo_read_request },
          { "process_request",          l_bozo_process_request },
          { "clean_request",  l_bozo_clean_request },

          { NULL,                       NULL }
};

int
luaopen_bozohttpd(lua_State *L)
{
#if LUA_VERSION_NUM >= 502
        luaL_newlib(L, libluabozohttpd);
#else
        luaL_register(L, "bozohttpd", libluabozohttpd);
#endif
          return 1;
}