content-bozo.c revision 1.6
1 /* $NetBSD: content-bozo.c,v 1.6 2011/03/31 01:19:37 mrg Exp $ */ 2 3 /* $eterna: content-bozo.c,v 1.15 2010/05/10 02:51:28 mrg Exp $ */ 4 5 /* 6 * Copyright (c) 1997-2010 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", 5, "text/html", "", "", NULL }, 51 { ".htm", 4, "text/html", "", "", NULL }, 52 { ".gif", 4, "image/gif", "", "", NULL }, 53 { ".jpeg", 5, "image/jpeg", "", "", NULL }, 54 { ".jpg", 4, "image/jpeg", "", "", NULL }, 55 { ".jpe", 4, "image/jpeg", "", "", NULL }, 56 { ".png", 4, "image/png", "", "", NULL }, 57 { ".mp3", 4, "audio/mpeg", "", "", NULL }, 58 { ".css", 4, "text/css", "", "", NULL }, 59 { ".txt", 4, "text/plain", "", "", NULL }, 60 { ".swf", 4, "application/x-shockwave-flash","", "", NULL }, 61 { ".dcr", 4, "application/x-director", "", "", NULL }, 62 { ".pac", 4, "application/x-ns-proxy-autoconfig", "", "", NULL }, 63 { ".pa", 3, "application/x-ns-proxy-autoconfig", "", "", NULL }, 64 { ".tar", 4, "multipart/x-tar", "", "", NULL }, 65 { ".gtar", 5, "multipart/x-gtar", "", "", NULL }, 66 { ".tar.Z", 6, "multipart/x-tar", "x-compress", "compress", NULL }, 67 { ".tar.gz", 7, "multipart/x-tar", "x-gzip", "gzip", NULL }, 68 { ".taz", 4, "multipart/x-tar", "x-gzip", "gzip", NULL }, 69 { ".tgz", 4, "multipart/x-tar", "x-gzip", "gzip", NULL }, 70 { ".tar.z", 6, "multipart/x-tar", "x-pack", "x-pack", NULL }, 71 { ".Z", 2, "application/x-compress", "x-compress", "compress", NULL }, 72 { ".gz", 3, "application/x-gzip", "x-gzip", "gzip", NULL }, 73 { ".z", 2, "unknown", "x-pack", "x-pack", NULL }, 74 { ".bz2", 4, "application/x-bzip2", "x-bzip2", "x-bzip2", NULL }, 75 { ".ogg", 4, "application/x-ogg", "", "", NULL }, 76 { ".xbel", 5, "text/xml", "", "", NULL }, 77 { ".xml", 4, "text/xml", "", "", NULL }, 78 { ".xsl", 4, "text/xml", "", "", NULL }, 79 { ".hqx", 4, "application/mac-binhex40", "", "", NULL }, 80 { ".cpt", 4, "application/mac-compactpro","", "", NULL }, 81 { ".doc", 4, "application/msword", "", "", NULL }, 82 { ".bin", 4, "application/octet-stream", "", "", NULL }, 83 { ".dms", 4, "application/octet-stream", "", "", NULL }, 84 { ".lha", 4, "application/octet-stream", "", "", NULL }, 85 { ".lzh", 4, "application/octet-stream", "", "", NULL }, 86 { ".exe", 4, "application/octet-stream", "", "", NULL }, 87 { ".class", 6, "application/octet-stream", "", "", NULL }, 88 { ".oda", 4, "application/oda", "", "", NULL }, 89 { ".pdf", 4, "application/pdf", "", "", NULL }, 90 { ".ai", 3, "application/postscript", "", "", NULL }, 91 { ".eps", 4, "application/postscript", "", "", NULL }, 92 { ".ps", 3, "application/postscript", "", "", NULL }, 93 { ".ppt", 4, "application/powerpoint", "", "", NULL }, 94 { ".rtf", 4, "application/rtf", "", "", NULL }, 95 { ".bcpio", 6, "application/x-bcpio", "", "", NULL }, 96 { ".torrent", 8, "application/x-bittorrent", "", "", NULL }, 97 { ".vcd", 4, "application/x-cdlink", "", "", NULL }, 98 { ".cpio", 5, "application/x-cpio", "", "", NULL }, 99 { ".csh", 4, "application/x-csh", "", "", NULL }, 100 { ".dir", 4, "application/x-director", "", "", NULL }, 101 { ".dxr", 4, "application/x-director", "", "", NULL }, 102 { ".dvi", 4, "application/x-dvi", "", "", NULL }, 103 { ".hdf", 4, "application/x-hdf", "", "", NULL }, 104 { ".cgi", 4, "application/x-httpd-cgi", "", "", NULL }, 105 { ".skp", 4, "application/x-koan", "", "", NULL }, 106 { ".skd", 4, "application/x-koan", "", "", NULL }, 107 { ".skt", 4, "application/x-koan", "", "", NULL }, 108 { ".skm", 4, "application/x-koan", "", "", NULL }, 109 { ".latex", 6, "application/x-latex", "", "", NULL }, 110 { ".mif", 4, "application/x-mif", "", "", NULL }, 111 { ".nc", 3, "application/x-netcdf", "", "", NULL }, 112 { ".cdf", 4, "application/x-netcdf", "", "", NULL }, 113 { ".patch", 6, "application/x-patch", "", "", NULL }, 114 { ".sh", 3, "application/x-sh", "", "", NULL }, 115 { ".shar", 5, "application/x-shar", "", "", NULL }, 116 { ".sit", 4, "application/x-stuffit", "", "", NULL }, 117 { ".sv4cpio", 8, "application/x-sv4cpio", "", "", NULL }, 118 { ".sv4crc", 7, "application/x-sv4crc", "", "", NULL }, 119 { ".tar", 4, "application/x-tar", "", "", NULL }, 120 { ".tcl", 4, "application/x-tcl", "", "", NULL }, 121 { ".tex", 4, "application/x-tex", "", "", NULL }, 122 { ".texinfo", 8, "application/x-texinfo", "", "", NULL }, 123 { ".texi", 5, "application/x-texinfo", "", "", NULL }, 124 { ".t", 2, "application/x-troff", "", "", NULL }, 125 { ".tr", 3, "application/x-troff", "", "", NULL }, 126 { ".roff", 5, "application/x-troff", "", "", NULL }, 127 { ".man", 4, "application/x-troff-man", "", "", NULL }, 128 { ".me", 3, "application/x-troff-me", "", "", NULL }, 129 { ".ms", 3, "application/x-troff-ms", "", "", NULL }, 130 { ".ustar", 6, "application/x-ustar", "", "", NULL }, 131 { ".src", 4, "application/x-wais-source", "", "", NULL }, 132 { ".zip", 4, "application/zip", "", "", NULL }, 133 { ".au", 3, "audio/basic", "", "", NULL }, 134 { ".snd", 4, "audio/basic", "", "", NULL }, 135 { ".mpga", 5, "audio/mpeg", "", "", NULL }, 136 { ".mp2", 4, "audio/mpeg", "", "", NULL }, 137 { ".aif", 4, "audio/x-aiff", "", "", NULL }, 138 { ".aiff", 5, "audio/x-aiff", "", "", NULL }, 139 { ".aifc", 5, "audio/x-aiff", "", "", NULL }, 140 { ".ram", 4, "audio/x-pn-realaudio", "", "", NULL }, 141 { ".rpm", 4, "audio/x-pn-realaudio-plugin","", "", NULL }, 142 { ".ra", 3, "audio/x-realaudio", "", "", NULL }, 143 { ".wav", 4, "audio/x-wav", "", "", NULL }, 144 { ".pdb", 4, "chemical/x-pdb", "", "", NULL }, 145 { ".xyz", 4, "chemical/x-pdb", "", "", NULL }, 146 { ".ief", 4, "image/ief", "", "", NULL }, 147 { ".tiff", 5, "image/tiff", "", "", NULL }, 148 { ".tif", 4, "image/tiff", "", "", NULL }, 149 { ".ras", 4, "image/x-cmu-raster", "", "", NULL }, 150 { ".pnm", 4, "image/x-portable-anymap", "", "", NULL }, 151 { ".pbm", 4, "image/x-portable-bitmap", "", "", NULL }, 152 { ".pgm", 4, "image/x-portable-graymap", "", "", NULL }, 153 { ".ppm", 4, "image/x-portable-pixmap", "", "", NULL }, 154 { ".rgb", 4, "image/x-rgb", "", "", NULL }, 155 { ".xbm", 4, "image/x-xbitmap", "", "", NULL }, 156 { ".xpm", 4, "image/x-xpixmap", "", "", NULL }, 157 { ".xwd", 4, "image/x-xwindowdump", "", "", NULL }, 158 { ".rtx", 4, "text/richtext", "", "", NULL }, 159 { ".tsv", 4, "text/tab-separated-values", "", "", NULL }, 160 { ".etx", 4, "text/x-setext", "", "", NULL }, 161 { ".sgml", 5, "text/x-sgml", "", "", NULL }, 162 { ".sgm", 4, "text/x-sgml", "", "", NULL }, 163 { ".mpeg", 5, "video/mpeg", "", "", NULL }, 164 { ".mpg", 4, "video/mpeg", "", "", NULL }, 165 { ".mpe", 4, "video/mpeg", "", "", NULL }, 166 { ".mp4", 4, "video/mp4", "", "", NULL }, 167 { ".qt", 3, "video/quicktime", "", "", NULL }, 168 { ".mov", 4, "video/quicktime", "", "", NULL }, 169 { ".avi", 4, "video/x-msvideo", "", "", NULL }, 170 { ".movie", 6, "video/x-sgi-movie", "", "", NULL }, 171 { ".ice", 4, "x-conference/x-cooltalk", "", "", NULL }, 172 { ".wrl", 4, "x-world/x-vrml", "", "", NULL }, 173 { ".vrml", 5, "x-world/x-vrml", "", "", NULL }, 174 { NULL, 0, NULL, NULL, NULL, NULL } 175 }; 176 177 static bozo_content_map_t * 178 search_map(bozo_content_map_t *map, const char *name, size_t len) 179 { 180 for ( ; map && map->name; map++) { 181 if (map->namelen < len && 182 strcasecmp(map->name, name + (len - map->namelen)) == 0) 183 return map; 184 } 185 return NULL; 186 } 187 188 /* match a suffix on a file - dynamiconly means no static content search */ 189 bozo_content_map_t * 190 bozo_match_content_map(bozohttpd_t *httpd, const char *name, 191 const int dynamiconly) 192 { 193 bozo_content_map_t *map; 194 size_t len; 195 196 len = strlen(name); 197 if ((map = search_map(httpd->dynamic_content_map, name, len)) != NULL) { 198 return map; 199 } 200 if (!dynamiconly) { 201 if ((map = search_map(static_content_map, name, len)) != NULL) { 202 return map; 203 } 204 } 205 return NULL; 206 } 207 208 /* 209 * given the file name, return a valid Content-Type: value. 210 */ 211 /* ARGSUSED */ 212 const char * 213 bozo_content_type(bozo_httpreq_t *request, const char *file) 214 { 215 bozohttpd_t *httpd = request->hr_httpd; 216 bozo_content_map_t *map; 217 218 map = bozo_match_content_map(httpd, file, 0); 219 if (map) 220 return map->type; 221 return httpd->consts.text_plain; 222 } 223 224 /* 225 * given the file name, return a valid Content-Encoding: value. 226 */ 227 const char * 228 bozo_content_encoding(bozo_httpreq_t *request, const char *file) 229 { 230 bozohttpd_t *httpd = request->hr_httpd; 231 bozo_content_map_t *map; 232 233 map = bozo_match_content_map(httpd, file, 0); 234 if (map) 235 return (request->hr_proto == httpd->consts.http_11) ? 236 map->encoding11 : map->encoding; 237 return NULL; 238 } 239 240 #ifndef NO_DYNAMIC_CONTENT 241 242 bozo_content_map_t * 243 bozo_get_content_map(bozohttpd_t *httpd, const char *name) 244 { 245 bozo_content_map_t *map; 246 247 if ((map = bozo_match_content_map(httpd, name, 1)) != NULL) 248 return map; 249 250 httpd->dynamic_content_map_size++; 251 httpd->dynamic_content_map = bozorealloc(httpd, 252 httpd->dynamic_content_map, 253 (httpd->dynamic_content_map_size + 1) * sizeof *map); 254 if (httpd->dynamic_content_map == NULL) 255 bozo_err(httpd, 1, "out of memory allocating content map"); 256 map = &httpd->dynamic_content_map[httpd->dynamic_content_map_size]; 257 map->name = map->type = map->encoding = map->encoding11 = 258 map->cgihandler = NULL; 259 map->namelen = 0; 260 map--; 261 262 return map; 263 } 264 265 /* 266 * mime content maps look like: 267 * ".name type encoding encoding11" 268 * where any of type, encoding or encoding11 a dash "-" means "". 269 * eg the .gtar, .tar.Z from above could be written like: 270 * ".gtar multipart/x-gtar - -" 271 * ".tar.Z multipart/x-tar x-compress compress" 272 * or 273 * ".gtar multipart/x-gtar" 274 * ".tar.Z multipart/x-tar x-compress compress" 275 * NOTE: we destroy 'arg' 276 */ 277 void 278 bozo_add_content_map_mime(bozohttpd_t *httpd, const char *cmap0, 279 const char *cmap1, const char *cmap2, const char *cmap3) 280 { 281 bozo_content_map_t *map; 282 283 debug((httpd, DEBUG_FAT, 284 "add_content_map: name %s type %s enc %s enc11 %s ", 285 cmap0, cmap1, cmap2, cmap3)); 286 287 map = bozo_get_content_map(httpd, cmap0); 288 #define CHECKMAP(s) (!s || ((s)[0] == '-' && (s)[1] == '\0') ? "" : (s)) 289 map->name = CHECKMAP(cmap0); 290 map->namelen = strlen(map->name); 291 map->type = CHECKMAP(cmap1); 292 map->encoding = CHECKMAP(cmap2); 293 map->encoding11 = CHECKMAP(cmap3); 294 #undef CHECKMAP 295 map->cgihandler = NULL; 296 } 297 #endif /* NO_DYNAMIC_CONTENT */ 298
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