xref: /netbsd/libexec/httpd/lua/glue.c (revision 661c4f9f)
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 #include <lua.h>
42 #include <lauxlib.h>
43 #include <lualib.h>
44 
45 #ifndef __UNCONST
46 #define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
47 #endif /* !__UNCONST */
48 
49 int luaopen_bozohttpd(lua_State *);
50 
51 /* init() */
52 static int
l_new(lua_State * L)53 l_new(lua_State *L)
54 {
55 	bozohttpd_t	*httpd;
56 
57 	httpd = lua_newuserdata(L, sizeof(*httpd));
58 	(void) memset(httpd, 0x0, sizeof(*httpd));
59 	return 1;
60 }
61 
62 /* initialise(httpd) */
63 static int
l_init_httpd(lua_State * L)64 l_init_httpd(lua_State *L)
65 {
66 	bozohttpd_t	*httpd;
67 
68 	httpd = lua_touserdata(L, 1);
69 	lua_pushnumber(L, bozo_init_httpd(httpd));
70 	return 1;
71 }
72 
73 /* initialise(prefs) */
74 static int
l_init_prefs(lua_State * L)75 l_init_prefs(lua_State *L)
76 {
77 	bozohttpd_t	*httpd;
78 	bozoprefs_t	*prefs;
79 
80 	prefs = lua_newuserdata(L, sizeof(*prefs));
81 	(void) memset(prefs, 0x0, sizeof(*prefs));
82 	httpd = lua_touserdata(L, 1);
83 	(void) bozo_init_prefs(httpd, prefs);
84 	return 1;
85 }
86 
87 /* bozo_set_pref(httpd, prefs, name, value) */
88 static int
l_bozo_set_pref(lua_State * L)89 l_bozo_set_pref(lua_State *L)
90 {
91 	bozohttpd_t	*httpd;
92 	bozoprefs_t	*prefs;
93 	const char	*name;
94 	const char	*value;
95 
96 	httpd = lua_touserdata(L, 1);
97 	prefs = lua_touserdata(L, 2);
98 	name = luaL_checkstring(L, 3);
99 	value = luaL_checkstring(L, 4);
100 	lua_pushnumber(L, bozo_set_pref(httpd, prefs, name, value));
101 	return 1;
102 }
103 
104 /* bozo_get_pref(prefs, name) */
105 static int
l_bozo_get_pref(lua_State * L)106 l_bozo_get_pref(lua_State *L)
107 {
108 	bozoprefs_t	*prefs;
109 	const char	*name;
110 
111 	prefs = lua_touserdata(L, 1);
112 	name = luaL_checkstring(L, 2);
113 	lua_pushstring(L, bozo_get_pref(prefs, name));
114 	return 1;
115 }
116 
117 /* bozo_setup(httpd, prefs, host, root) */
118 static int
l_bozo_setup(lua_State * L)119 l_bozo_setup(lua_State *L)
120 {
121 	bozohttpd_t	*httpd;
122 	bozoprefs_t	*prefs;
123 	const char	*vhost;
124 	const char	*root;
125 
126 	httpd = lua_touserdata(L, 1);
127 	prefs = lua_touserdata(L, 2);
128 	vhost = luaL_checkstring(L, 3);
129 	if (vhost && *vhost == 0x0) {
130 		vhost = NULL;
131 	}
132 	root = luaL_checkstring(L, 4);
133 	lua_pushnumber(L, bozo_setup(httpd, prefs, vhost, root));
134 	return 1;
135 }
136 
137 /* bozo_read_request(httpd) */
138 static int
l_bozo_read_request(lua_State * L)139 l_bozo_read_request(lua_State *L)
140 {
141 	bozo_httpreq_t	*req;
142 	bozohttpd_t	*httpd;
143 
144 	httpd = lua_touserdata(L, 1);
145 	req = bozo_read_request(httpd);
146 	lua_pushlightuserdata(L, req);
147 	return 1;
148 }
149 
150 /* bozo_process_request(req) */
151 static int
l_bozo_process_request(lua_State * L)152 l_bozo_process_request(lua_State *L)
153 {
154 	bozo_httpreq_t	*req;
155 
156 	req = lua_touserdata(L, 1);
157 	if (req == NULL) {
158 		return 0;
159 	}
160 	bozo_process_request(req);
161 	lua_pushnumber(L, 1);
162 	return 1;
163 }
164 
165 /* bozo_clean_request(req) */
166 static int
l_bozo_clean_request(lua_State * L)167 l_bozo_clean_request(lua_State *L)
168 {
169 	bozo_httpreq_t	*req;
170 
171 	req = lua_touserdata(L, 1);
172 	if (req == NULL) {
173 		return 0;
174 	}
175 	bozo_clean_request(req);
176 	lua_pushnumber(L, 1);
177 	return 1;
178 }
179 
180 /* dynamic_mime(httpd, one, two, three, four) */
181 static int
l_bozo_dynamic_mime(lua_State * L)182 l_bozo_dynamic_mime(lua_State *L)
183 {
184 	bozohttpd_t	*httpd;
185 	const char	*s[4];
186 
187 	httpd = lua_touserdata(L, 1);
188 	s[0] = luaL_checkstring(L, 2);
189 	s[1] = luaL_checkstring(L, 3);
190 	s[2] = luaL_checkstring(L, 4);
191 	s[3] = luaL_checkstring(L, 5);
192 	bozo_add_content_map_mime(httpd, s[0], s[1], s[2], s[3]);
193 	lua_pushnumber(L, 1);
194 	return 1;
195 }
196 
197 /* ssl_set_opts(httpd, one, two) */
198 static int
l_bozo_ssl_set_opts(lua_State * L)199 l_bozo_ssl_set_opts(lua_State *L)
200 {
201 	bozohttpd_t	*httpd;
202 	const char	*s[2];
203 
204 	httpd = lua_touserdata(L, 1);
205 	s[0] = luaL_checkstring(L, 2);
206 	s[1] = luaL_checkstring(L, 3);
207 	bozo_ssl_set_opts(httpd, s[0], s[1]);
208 	lua_pushnumber(L, 1);
209 	return 1;
210 }
211 
212 /* cgi_setbin(httpd, bin) */
213 static int
l_bozo_cgi_setbin(lua_State * L)214 l_bozo_cgi_setbin(lua_State *L)
215 {
216 	bozohttpd_t	*httpd;
217 	const char	*bin;
218 
219 	httpd = lua_touserdata(L, 1);
220 	bin = luaL_checkstring(L, 2);
221 	bozo_cgi_setbin(httpd, bin);
222 	lua_pushnumber(L, 1);
223 	return 1;
224 }
225 
226 /* cgi_map(httpd, 1, 2) */
227 static int
l_bozo_cgi_map(lua_State * L)228 l_bozo_cgi_map(lua_State *L)
229 {
230 	bozohttpd_t	*httpd;
231 	const char	*s[2];
232 
233 	httpd = lua_touserdata(L, 1);
234 	s[0] = luaL_checkstring(L, 2);
235 	s[1] = luaL_checkstring(L, 3);
236 	bozo_add_content_map_cgi(httpd, s[0], s[1]);
237 	lua_pushnumber(L, 1);
238 	return 1;
239 }
240 
241 const struct luaL_Reg libluabozohttpd[] = {
242 	{ "new",		l_new },
243 	{ "init_httpd",		l_init_httpd },
244 	{ "init_prefs",		l_init_prefs },
245 
246 	{ "set_pref",		l_bozo_set_pref },
247 	{ "get_pref",		l_bozo_get_pref },
248 	{ "setup",		l_bozo_setup },
249 	{ "dynamic_mime",	l_bozo_dynamic_mime },
250 	{ "ssl_set_opts",	l_bozo_ssl_set_opts },
251 	{ "cgi_setbin",		l_bozo_cgi_setbin },
252 	{ "cgi_map",		l_bozo_cgi_map },
253 
254 	{ "read_request",	l_bozo_read_request },
255 	{ "process_request",	l_bozo_process_request },
256 	{ "clean_request",	l_bozo_clean_request },
257 
258 	{ NULL,			NULL }
259 };
260 
261 int
luaopen_bozohttpd(lua_State * L)262 luaopen_bozohttpd(lua_State *L)
263 {
264 #if LUA_VERSION_NUM >= 502
265         luaL_newlib(L, libluabozohttpd);
266 #else
267         luaL_register(L, "bozohttpd", libluabozohttpd);
268 #endif
269 	return 1;
270 }
271