xref: /netbsd-src/libexec/httpd/lua/glue.c (revision c38e7cc395b1472a774ff828e46123de44c628e9)
1 /*-
2  * Copyright (c) 2009 The NetBSD Foundation, Inc.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The NetBSD Foundation
6  * by Alistair Crooks (agc@netbsd.org)
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 #include <sys/types.h>
30 #include <sys/param.h>
31 #include <sys/stat.h>
32 
33 #include <bozohttpd.h>
34 #include <inttypes.h>
35 #include <string.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 
40 #define LUA_LIB
41 #define LUA_USE_APICHECK
42 #include <lua.h>
43 #include <lauxlib.h>
44 #include <lualib.h>
45 
46 #ifndef __UNCONST
47 #define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
48 #endif /* !__UNCONST */
49 
50 int luaopen_bozohttpd(lua_State *);
51 
52 /* init() */
53 static int
54 l_new(lua_State *L)
55 {
56 	bozohttpd_t	*httpd;
57 
58 	httpd = lua_newuserdata(L, sizeof(*httpd));
59 	(void) memset(httpd, 0x0, sizeof(*httpd));
60 	return 1;
61 }
62 
63 /* initialise(httpd) */
64 static int
65 l_init_httpd(lua_State *L)
66 {
67 	bozohttpd_t	*httpd;
68 
69 	httpd = lua_touserdata(L, 1);
70 	lua_pushnumber(L, bozo_init_httpd(httpd));
71 	return 1;
72 }
73 
74 /* initialise(prefs) */
75 static int
76 l_init_prefs(lua_State *L)
77 {
78 	bozohttpd_t	*httpd;
79 	bozoprefs_t	*prefs;
80 
81 	prefs = lua_newuserdata(L, sizeof(*prefs));
82 	(void) memset(prefs, 0x0, sizeof(*prefs));
83 	httpd = lua_touserdata(L, 1);
84 	(void) bozo_init_prefs(httpd, prefs);
85 	return 1;
86 }
87 
88 /* bozo_set_pref(httpd, prefs, name, value) */
89 static int
90 l_bozo_set_pref(lua_State *L)
91 {
92 	bozohttpd_t	*httpd;
93 	bozoprefs_t	*prefs;
94 	const char	*name;
95 	const char	*value;
96 
97 	httpd = lua_touserdata(L, 1);
98 	prefs = lua_touserdata(L, 2);
99 	name = luaL_checkstring(L, 3);
100 	value = luaL_checkstring(L, 4);
101 	lua_pushnumber(L, bozo_set_pref(httpd, prefs, name, value));
102 	return 1;
103 }
104 
105 /* bozo_get_pref(prefs, name) */
106 static int
107 l_bozo_get_pref(lua_State *L)
108 {
109 	bozoprefs_t	*prefs;
110 	const char	*name;
111 
112 	prefs = lua_touserdata(L, 1);
113 	name = luaL_checkstring(L, 2);
114 	lua_pushstring(L, bozo_get_pref(prefs, name));
115 	return 1;
116 }
117 
118 /* bozo_setup(httpd, prefs, host, root) */
119 static int
120 l_bozo_setup(lua_State *L)
121 {
122 	bozohttpd_t	*httpd;
123 	bozoprefs_t	*prefs;
124 	const char	*vhost;
125 	const char	*root;
126 
127 	httpd = lua_touserdata(L, 1);
128 	prefs = lua_touserdata(L, 2);
129 	vhost = luaL_checkstring(L, 3);
130 	if (vhost && *vhost == 0x0) {
131 		vhost = NULL;
132 	}
133 	root = luaL_checkstring(L, 4);
134 	lua_pushnumber(L, bozo_setup(httpd, prefs, vhost, root));
135 	return 1;
136 }
137 
138 /* bozo_read_request(httpd) */
139 static int
140 l_bozo_read_request(lua_State *L)
141 {
142 	bozo_httpreq_t	*req;
143 	bozohttpd_t	*httpd;
144 
145 	httpd = lua_touserdata(L, 1);
146 	req = bozo_read_request(httpd);
147 	lua_pushlightuserdata(L, req);
148 	return 1;
149 }
150 
151 /* bozo_process_request(req) */
152 static int
153 l_bozo_process_request(lua_State *L)
154 {
155 	bozo_httpreq_t	*req;
156 
157 	req = lua_touserdata(L, 1);
158 	bozo_process_request(req);
159 	lua_pushnumber(L, 1);
160 	return 1;
161 }
162 
163 /* bozo_clean_request(req) */
164 static int
165 l_bozo_clean_request(lua_State *L)
166 {
167 	bozo_httpreq_t	*req;
168 
169 	req = lua_touserdata(L, 1);
170 	bozo_clean_request(req);
171 	lua_pushnumber(L, 1);
172 	return 1;
173 }
174 
175 /* dynamic_mime(httpd, one, two, three, four) */
176 static int
177 l_bozo_dynamic_mime(lua_State *L)
178 {
179 	bozohttpd_t	*httpd;
180 	const char	*s[4];
181 
182 	httpd = lua_touserdata(L, 1);
183 	s[0] = luaL_checkstring(L, 2);
184 	s[1] = luaL_checkstring(L, 3);
185 	s[2] = luaL_checkstring(L, 4);
186 	s[3] = luaL_checkstring(L, 5);
187 	bozo_add_content_map_mime(httpd, s[0], s[1], s[2], s[3]);
188 	lua_pushnumber(L, 1);
189 	return 1;
190 }
191 
192 /* ssl_set_opts(httpd, one, two) */
193 static int
194 l_bozo_ssl_set_opts(lua_State *L)
195 {
196 	bozohttpd_t	*httpd;
197 	const char	*s[2];
198 
199 	httpd = lua_touserdata(L, 1);
200 	s[0] = luaL_checkstring(L, 2);
201 	s[1] = luaL_checkstring(L, 3);
202 	bozo_ssl_set_opts(httpd, s[0], s[1]);
203 	lua_pushnumber(L, 1);
204 	return 1;
205 }
206 
207 /* cgi_setbin(httpd, bin) */
208 static int
209 l_bozo_cgi_setbin(lua_State *L)
210 {
211 	bozohttpd_t	*httpd;
212 	const char	*bin;
213 
214 	httpd = lua_touserdata(L, 1);
215 	bin = luaL_checkstring(L, 2);
216 	bozo_cgi_setbin(httpd, bin);
217 	lua_pushnumber(L, 1);
218 	return 1;
219 }
220 
221 /* cgi_map(httpd, 1, 2) */
222 static int
223 l_bozo_cgi_map(lua_State *L)
224 {
225 	bozohttpd_t	*httpd;
226 	const char	*s[2];
227 
228 	httpd = lua_touserdata(L, 1);
229 	s[0] = luaL_checkstring(L, 2);
230 	s[1] = luaL_checkstring(L, 3);
231 	bozo_add_content_map_cgi(httpd, s[0], s[1]);
232 	lua_pushnumber(L, 1);
233 	return 1;
234 }
235 
236 const struct luaL_Reg libluabozohttpd[] = {
237 	{ "new",		l_new },
238 	{ "init_httpd",		l_init_httpd },
239 	{ "init_prefs",		l_init_prefs },
240 
241 	{ "set_pref",		l_bozo_set_pref },
242 	{ "get_pref",		l_bozo_get_pref },
243 	{ "setup",		l_bozo_setup },
244 	{ "dynamic_mime",	l_bozo_dynamic_mime },
245 	{ "ssl_set_opts",	l_bozo_ssl_set_opts },
246 	{ "cgi_setbin",		l_bozo_cgi_setbin },
247 	{ "cgi_map",		l_bozo_cgi_map },
248 
249 	{ "read_request",	l_bozo_read_request },
250 	{ "process_request",	l_bozo_process_request },
251 	{ "clean_request",	l_bozo_clean_request },
252 
253 	{ NULL,			NULL }
254 };
255 
256 int
257 luaopen_bozohttpd(lua_State *L)
258 {
259 #if LUA_VERSION_NUM >= 502
260         luaL_newlib(L, libluabozohttpd);
261 #else
262         luaL_register(L, "bozohttpd", libluabozohttpd);
263 #endif
264 	return 1;
265 }
266