libexec/httpd/content-bozo.c

   1 /*      $NetBSD: content-bozo.c,v 1.12 2015/05/02 11:35:48 mrg Exp $    */
   2
   3 /*      $eterna: content-bozo.c,v 1.17 2011/11/18 09:21:15 mrg Exp $    */
   4
   5 /*
   6  * Copyright (c) 1997-2015 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",      "multipart/x-gtar",             "",             "", NULL },
  66         { ".tar.Z",     "multipart/x-tar",              "x-compress",   "compress", NULL },
  67         { ".tar.gz",    "multipart/x-tar",              "x-gzip",       "gzip", NULL },
  68         { ".taz",       "multipart/x-tar",              "x-gzip",       "gzip", NULL },
  69         { ".tgz",       "multipart/x-tar",              "x-gzip",       "gzip", NULL },
  70         { ".tar.z",     "multipart/x-tar",              "x-pack",       "x-pack", NULL },
  71         { ".Z",         "application/x-compress",       "x-compress",   "compress", NULL },
  72         { ".gz",        "application/x-gzip",           "x-gzip",       "gzip", NULL },
  73         { ".z",         "unknown",                      "x-pack",       "x-pack", NULL },
  74         { ".bz2",       "application/x-bzip2",          "x-bzip2",      "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         for ( ; map && map->name; map++) {
 185                 const size_t namelen = strlen(map->name);
 186
 187                 if (namelen < len &&
 188                     strcasecmp(map->name, name + (len - namelen)) == 0)
 189                         return map;
 190         }
 191         return NULL;
 192 }
 193
 194 /* match a suffix on a file - dynamiconly means no static content search */
 195 bozo_content_map_t *
 196 bozo_match_content_map(bozohttpd_t *httpd, const char *name,
 197                         const int dynamiconly)
 198 {
 199         bozo_content_map_t      *map;
 200         size_t                   len;
 201
 202         len = strlen(name);
 203         if ((map = search_map(httpd->dynamic_content_map, name, len)) != NULL) {
 204                 return map;
 205         }
 206         if (!dynamiconly) {
 207                 if ((map = search_map(static_content_map, name, len)) != NULL) {
 208                         return map;
 209                 }
 210         }
 211         return NULL;
 212 }
 213
 214 /*
 215  * given the file name, return a valid Content-Type: value.
 216  */
 217 /* ARGSUSED */
 218 const char *
 219 bozo_content_type(bozo_httpreq_t *request, const char *file)
 220 {
 221         bozohttpd_t *httpd = request->hr_httpd;
 222         bozo_content_map_t      *map;
 223
 224         map = bozo_match_content_map(httpd, file, 0);
 225         if (map)
 226                 return map->type;
 227         return httpd->consts.text_plain;
 228 }
 229
 230 /*
 231  * given the file name, return a valid Content-Encoding: value.
 232  */
 233 const char *
 234 bozo_content_encoding(bozo_httpreq_t *request, const char *file)
 235 {
 236         bozohttpd_t *httpd = request->hr_httpd;
 237         bozo_content_map_t      *map;
 238
 239         map = bozo_match_content_map(httpd, file, 0);
 240         if (map)
 241                 return (request->hr_proto == httpd->consts.http_11) ?
 242                     map->encoding11 : map->encoding;
 243         return NULL;
 244 }
 245
 246 #ifndef NO_DYNAMIC_CONTENT
 247
 248 bozo_content_map_t *
 249 bozo_get_content_map(bozohttpd_t *httpd, const char *name)
 250 {
 251         bozo_content_map_t      *map;
 252
 253         if ((map = bozo_match_content_map(httpd, name, 1)) != NULL)
 254                 return map;
 255
 256         httpd->dynamic_content_map_size++;
 257         httpd->dynamic_content_map = bozorealloc(httpd,
 258                 httpd->dynamic_content_map,
 259                 (httpd->dynamic_content_map_size + 1) * sizeof *map);
 260         if (httpd->dynamic_content_map == NULL)
 261                 bozo_err(httpd, 1, "out of memory allocating content map");
 262         map = &httpd->dynamic_content_map[httpd->dynamic_content_map_size];
 263         map->name = map->type = map->encoding = map->encoding11 =
 264                 map->cgihandler = NULL;
 265         map--;
 266
 267         return map;
 268 }
 269
 270 /*
 271  * mime content maps look like:
 272  *      ".name type encoding encoding11"
 273  * where any of type, encoding or encoding11 a dash "-" means "".
 274  * eg the .gtar, .tar.Z from above  could be written like:
 275  *      ".gtar multipart/x-gtar - -"
 276  *      ".tar.Z multipart/x-tar x-compress compress"
 277  * or
 278  *      ".gtar multipart/x-gtar"
 279  *      ".tar.Z multipart/x-tar x-compress compress"
 280  * NOTE: we destroy 'arg'
 281  */
 282 void
 283 bozo_add_content_map_mime(bozohttpd_t *httpd, const char *cmap0,
 284                 const char *cmap1, const char *cmap2, const char *cmap3)
 285 {
 286         bozo_content_map_t *map;
 287
 288         debug((httpd, DEBUG_FAT,
 289                 "add_content_map: name %s type %s enc %s enc11 %s ",
 290                 cmap0, cmap1, cmap2, cmap3));
 291
 292         map = bozo_get_content_map(httpd, cmap0);
 293 #define CHECKMAP(s)     (!s || ((s)[0] == '-' && (s)[1] == '\0') ? "" : (s))
 294         map->name = CHECKMAP(cmap0);
 295         map->type = CHECKMAP(cmap1);
 296         map->encoding = CHECKMAP(cmap2);
 297         map->encoding11 = CHECKMAP(cmap3);
 298 #undef CHECKMAP
 299         map->cgihandler = NULL;
 300 }
 301 #endif /* NO_DYNAMIC_CONTENT */