content-bozo.c revision 1.16 1 /* $NetBSD: content-bozo.c,v 1.16 2018/11/23 08:11:20 mrg Exp $ */
2
3 /* $eterna: content-bozo.c,v 1.17 2011/11/18 09:21:15 mrg Exp $ */
4
5 /*
6 * Copyright (c) 1997-2018 Matthew R. Green
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer and
16 * dedication in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 */
32
33 /* this code implements content-type handling for bozohttpd */
34
35 #include <sys/param.h>
36
37 #include <errno.h>
38 #include <string.h>
39
40 #include "bozohttpd.h"
41
42 /*
43 * this map and the functions below map between filenames and the
44 * content type and content encoding definitions. this should become
45 * a configuration file, perhaps like apache's mime.types (but that
46 * has less info per-entry).
47 */
48
49 static bozo_content_map_t static_content_map[] = {
50 { ".html", "text/html", "", "", NULL },
51 { ".htm", "text/html", "", "", NULL },
52 { ".gif", "image/gif", "", "", NULL },
53 { ".jpeg", "image/jpeg", "", "", NULL },
54 { ".jpg", "image/jpeg", "", "", NULL },
55 { ".jpe", "image/jpeg", "", "", NULL },
56 { ".png", "image/png", "", "", NULL },
57 { ".mp3", "audio/mpeg", "", "", NULL },
58 { ".css", "text/css", "", "", NULL },
59 { ".txt", "text/plain", "", "", NULL },
60 { ".swf", "application/x-shockwave-flash","", "", NULL },
61 { ".dcr", "application/x-director", "", "", NULL },
62 { ".pac", "application/x-ns-proxy-autoconfig", "", "", NULL },
63 { ".pa", "application/x-ns-proxy-autoconfig", "", "", NULL },
64 { ".tar", "multipart/x-tar", "", "", NULL },
65 { ".gtar", "application/x-gtar-compressed", "", "", NULL },
66 { ".tar.Z", "application/x-gtar-compressed", "", "", NULL },
67 { ".tar.gz", "application/x-gtar-compressed", "", "", NULL },
68 { ".taz", "application/x-gtar-compressed", "", "", NULL },
69 { ".tgz", "application/x-gtar-compressed", "", "", NULL },
70 { ".tar.z", "application/x-gtar-compressed", "", "", NULL },
71 { ".Z", "application/x-compress", "", "", NULL },
72 { ".gz", "application/x-gzip", "", "", NULL },
73 { ".z", "unknown", "", "", NULL },
74 { ".bz2", "application/x-bzip2", "", "", NULL },
75 { ".ogg", "application/x-ogg", "", "", NULL },
76 { ".mkv", "video/x-matroska", "", "", NULL },
77 { ".xbel", "text/xml", "", "", NULL },
78 { ".xml", "text/xml", "", "", NULL },
79 { ".xsl", "text/xml", "", "", NULL },
80 { ".hqx", "application/mac-binhex40", "", "", NULL },
81 { ".cpt", "application/mac-compactpro", "", "", NULL },
82 { ".doc", "application/msword", "", "", NULL },
83 { ".bin", "application/octet-stream", "", "", NULL },
84 { ".dms", "application/octet-stream", "", "", NULL },
85 { ".lha", "application/octet-stream", "", "", NULL },
86 { ".lzh", "application/octet-stream", "", "", NULL },
87 { ".exe", "application/octet-stream", "", "", NULL },
88 { ".class", "application/octet-stream", "", "", NULL },
89 { ".oda", "application/oda", "", "", NULL },
90 { ".pdf", "application/pdf", "", "", NULL },
91 { ".ai", "application/postscript", "", "", NULL },
92 { ".eps", "application/postscript", "", "", NULL },
93 { ".ps", "application/postscript", "", "", NULL },
94 { ".ppt", "application/powerpoint", "", "", NULL },
95 { ".rtf", "application/rtf", "", "", NULL },
96 { ".bcpio", "application/x-bcpio", "", "", NULL },
97 { ".torrent", "application/x-bittorrent", "", "", NULL },
98 { ".vcd", "application/x-cdlink", "", "", NULL },
99 { ".cpio", "application/x-cpio", "", "", NULL },
100 { ".csh", "application/x-csh", "", "", NULL },
101 { ".dir", "application/x-director", "", "", NULL },
102 { ".dxr", "application/x-director", "", "", NULL },
103 { ".dvi", "application/x-dvi", "", "", NULL },
104 { ".hdf", "application/x-hdf", "", "", NULL },
105 { ".cgi", "application/x-httpd-cgi", "", "", NULL },
106 { ".skp", "application/x-koan", "", "", NULL },
107 { ".skd", "application/x-koan", "", "", NULL },
108 { ".skt", "application/x-koan", "", "", NULL },
109 { ".skm", "application/x-koan", "", "", NULL },
110 { ".latex", "application/x-latex", "", "", NULL },
111 { ".mif", "application/x-mif", "", "", NULL },
112 { ".nc", "application/x-netcdf", "", "", NULL },
113 { ".cdf", "application/x-netcdf", "", "", NULL },
114 { ".patch", "application/x-patch", "", "", NULL },
115 { ".sh", "application/x-sh", "", "", NULL },
116 { ".shar", "application/x-shar", "", "", NULL },
117 { ".sit", "application/x-stuffit", "", "", NULL },
118 { ".sv4cpio", "application/x-sv4cpio", "", "", NULL },
119 { ".sv4crc", "application/x-sv4crc", "", "", NULL },
120 { ".tar", "application/x-tar", "", "", NULL },
121 { ".tcl", "application/x-tcl", "", "", NULL },
122 { ".tex", "application/x-tex", "", "", NULL },
123 { ".texinfo", "application/x-texinfo", "", "", NULL },
124 { ".texi", "application/x-texinfo", "", "", NULL },
125 { ".t", "application/x-troff", "", "", NULL },
126 { ".tr", "application/x-troff", "", "", NULL },
127 { ".roff", "application/x-troff", "", "", NULL },
128 { ".man", "application/x-troff-man", "", "", NULL },
129 { ".me", "application/x-troff-me", "", "", NULL },
130 { ".ms", "application/x-troff-ms", "", "", NULL },
131 { ".ustar", "application/x-ustar", "", "", NULL },
132 { ".src", "application/x-wais-source", "", "", NULL },
133 { ".zip", "application/zip", "", "", NULL },
134 { ".au", "audio/basic", "", "", NULL },
135 { ".snd", "audio/basic", "", "", NULL },
136 { ".mpga", "audio/mpeg", "", "", NULL },
137 { ".mp2", "audio/mpeg", "", "", NULL },
138 { ".aif", "audio/x-aiff", "", "", NULL },
139 { ".aiff", "audio/x-aiff", "", "", NULL },
140 { ".aifc", "audio/x-aiff", "", "", NULL },
141 { ".ram", "audio/x-pn-realaudio", "", "", NULL },
142 { ".rpm", "audio/x-pn-realaudio-plugin", "", "", NULL },
143 { ".ra", "audio/x-realaudio", "", "", NULL },
144 { ".wav", "audio/x-wav", "", "", NULL },
145 { ".pdb", "chemical/x-pdb", "", "", NULL },
146 { ".xyz", "chemical/x-pdb", "", "", NULL },
147 { ".ief", "image/ief", "", "", NULL },
148 { ".tiff", "image/tiff", "", "", NULL },
149 { ".tif", "image/tiff", "", "", NULL },
150 { ".ras", "image/x-cmu-raster", "", "", NULL },
151 { ".pnm", "image/x-portable-anymap", "", "", NULL },
152 { ".pbm", "image/x-portable-bitmap", "", "", NULL },
153 { ".pgm", "image/x-portable-graymap", "", "", NULL },
154 { ".ppm", "image/x-portable-pixmap", "", "", NULL },
155 { ".rgb", "image/x-rgb", "", "", NULL },
156 { ".xbm", "image/x-xbitmap", "", "", NULL },
157 { ".xpm", "image/x-xpixmap", "", "", NULL },
158 { ".xwd", "image/x-xwindowdump", "", "", NULL },
159 { ".rtx", "text/richtext", "", "", NULL },
160 { ".tsv", "text/tab-separated-values", "", "", NULL },
161 { ".etx", "text/x-setext", "", "", NULL },
162 { ".sgml", "text/x-sgml", "", "", NULL },
163 { ".sgm", "text/x-sgml", "", "", NULL },
164 { ".mpeg", "video/mpeg", "", "", NULL },
165 { ".mpg", "video/mpeg", "", "", NULL },
166 { ".mpe", "video/mpeg", "", "", NULL },
167 { ".ts", "video/mpeg", "", "", NULL },
168 { ".vob", "video/mpeg", "", "", NULL },
169 { ".mp4", "video/mp4", "", "", NULL },
170 { ".qt", "video/quicktime", "", "", NULL },
171 { ".mov", "video/quicktime", "", "", NULL },
172 { ".avi", "video/x-msvideo", "", "", NULL },
173 { ".movie", "video/x-sgi-movie", "", "", NULL },
174 { ".ice", "x-conference/x-cooltalk", "", "", NULL },
175 { ".wrl", "x-world/x-vrml", "", "", NULL },
176 { ".vrml", "x-world/x-vrml", "", "", NULL },
177 { ".svg", "image/svg+xml", "", "", NULL },
178 { NULL, NULL, NULL, NULL, NULL }
179 };
180
181 static bozo_content_map_t *
182 search_map(bozo_content_map_t *map, const char *name, size_t len)
183 {
184
185 for ( ; map && map->name; map++) {
186 const size_t namelen = strlen(map->name);
187
188 if (namelen < len &&
189 strcasecmp(map->name, name + (len - namelen)) == 0)
190 return map;
191 }
192 return NULL;
193 }
194
195 /* match a suffix on a file - dynamiconly means no static content search */
196 bozo_content_map_t *
197 bozo_match_content_map(bozohttpd_t *httpd, const char *name,
198 const int dynamiconly)
199 {
200 bozo_content_map_t *map;
201 size_t len;
202
203 len = strlen(name);
204 map = search_map(httpd->dynamic_content_map, name, len);
205 if (map == NULL && !dynamiconly)
206 map = search_map(static_content_map, name, len);
207
208 return map;
209 }
210
211 /*
212 * given the file name, return a valid Content-Type: value.
213 */
214 /* ARGSUSED */
215 const char *
216 bozo_content_type(bozo_httpreq_t *request, const char *file)
217 {
218 bozohttpd_t *httpd = request->hr_httpd;
219 bozo_content_map_t *map;
220
221 map = bozo_match_content_map(httpd, file, 0);
222 if (map)
223 return map->type;
224 return httpd->consts.text_plain;
225 }
226
227 /*
228 * given the file name, return a valid Content-Encoding: value.
229 */
230 const char *
231 bozo_content_encoding(bozo_httpreq_t *request, const char *file)
232 {
233 bozohttpd_t *httpd = request->hr_httpd;
234 bozo_content_map_t *map;
235
236 map = bozo_match_content_map(httpd, file, 0);
237 if (map)
238 return (request->hr_proto == httpd->consts.http_11) ?
239 map->encoding11 : map->encoding;
240 return NULL;
241 }
242
243 #ifndef NO_DYNAMIC_CONTENT
244
245 bozo_content_map_t *
246 bozo_get_content_map(bozohttpd_t *httpd, const char *name)
247 {
248 bozo_content_map_t *map;
249
250 if ((map = bozo_match_content_map(httpd, name, 1)) != NULL)
251 return map;
252
253 httpd->dynamic_content_map_size++;
254 httpd->dynamic_content_map = bozorealloc(httpd,
255 httpd->dynamic_content_map,
256 (httpd->dynamic_content_map_size + 1) * sizeof *map);
257 if (httpd->dynamic_content_map == NULL)
258 bozoerr(httpd, 1, "out of memory allocating content map");
259 map = &httpd->dynamic_content_map[httpd->dynamic_content_map_size];
260 map->name = map->type = map->encoding = map->encoding11 =
261 map->cgihandler = NULL;
262 map--;
263
264 return map;
265 }
266
267 /*
268 * mime content maps look like:
269 * ".name type encoding encoding11"
270 * where any of type, encoding or encoding11 a dash "-" means "".
271 * eg the .gtar, .tar.Z from above could be written like:
272 * ".gtar multipart/x-gtar - -"
273 * ".tar.Z multipart/x-tar x-compress compress"
274 * or
275 * ".gtar multipart/x-gtar"
276 * ".tar.Z multipart/x-tar x-compress compress"
277 * NOTE: we destroy 'arg'
278 */
279 void
280 bozo_add_content_map_mime(bozohttpd_t *httpd, const char *cmap0,
281 const char *cmap1, const char *cmap2, const char *cmap3)
282 {
283 bozo_content_map_t *map;
284
285 debug((httpd, DEBUG_FAT,
286 "add_content_map: name %s type %s enc %s enc11 %s ",
287 cmap0, cmap1, cmap2, cmap3));
288
289 map = bozo_get_content_map(httpd, cmap0);
290 #define CHECKMAP(s) (!s || ((s)[0] == '-' && (s)[1] == '\0') ? "" : (s))
291 map->name = CHECKMAP(cmap0);
292 map->type = CHECKMAP(cmap1);
293 map->encoding = CHECKMAP(cmap2);
294 map->encoding11 = CHECKMAP(cmap3);
295 #undef CHECKMAP
296 map->cgihandler = NULL;
297 }
298 #endif /* NO_DYNAMIC_CONTENT */
299