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-
- /* ====================================================================
- * Copyright (c) 1995 The Apache Group. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission.
- *
- * 5. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
-
- /*
- * http_mime.c: Sends/gets MIME headers for requests
- *
- * Rob McCool
- *
- */
-
- #define MIME_PRIVATE
-
- #include "httpd.h"
- #include "http_config.h"
-
- typedef struct {
- table *forced_types; /* Additional AddTyped stuff */
- table *encoding_types; /* Added with AddEncoding... */
- table *language_types; /* Added with AddLanguage... */
- } mime_dir_config;
-
- module mime_module;
-
- void *create_mime_dir_config (pool *p, char *dummy)
- {
- mime_dir_config *new =
- (mime_dir_config *) palloc (p, sizeof(mime_dir_config));
-
- new->forced_types = make_table (p, 4);
- new->encoding_types = make_table (p, 4);
- new->language_types = make_table (p, 4);
-
- return new;
- }
-
- void *merge_mime_dir_configs (pool *p, void *basev, void *addv)
- {
- mime_dir_config *base = (mime_dir_config *)basev;
- mime_dir_config *add = (mime_dir_config *)addv;
- mime_dir_config *new =
- (mime_dir_config *)palloc (p, sizeof(mime_dir_config));
-
- new->forced_types = overlay_tables (p, add->forced_types,
- base->forced_types);
- new->encoding_types = overlay_tables (p, add->encoding_types,
- base->encoding_types);
- new->language_types = overlay_tables (p, add->language_types,
- base->language_types);
-
- return new;
- }
-
- char *add_type(cmd_parms *cmd, mime_dir_config *m, char *ct, char *ext)
- {
- if (*ext == '.') ++ext;
- table_set (m->forced_types, ext, ct);
- return NULL;
- }
-
- char *add_encoding(cmd_parms *cmd, mime_dir_config *m, char *enc, char *ext)
- {
- if (*ext == '.') ++ext;
- table_set (m->encoding_types, ext, enc);
- return NULL;
- }
-
- char *add_language(cmd_parms *cmd, mime_dir_config *m, char *lang, char *ext)
- {
- if (*ext == '.') ++ext;
- table_set (m->language_types, ext, lang);
- return NULL;
- }
-
- /* The sole bit of server configuration that the MIME module has is
- * the name of its config file, so...
- */
-
- char *set_types_config (cmd_parms *cmd, void *dummy, char *arg)
- {
- set_module_config (cmd->server->module_config, &mime_module,
- pstrdup (cmd->pool, arg));
- return NULL;
- }
-
- command_rec mime_cmds[] = {
- { "AddType", add_type, NULL, OR_FILEINFO, ITERATE2,
- "a mime type followed by one or more file extensions" },
- { "AddEncoding", add_encoding, NULL, OR_FILEINFO, ITERATE2,
- "an encoding (e.g., gzip), followed by one or more file extensions" },
- { "AddLanguage", add_language, NULL, OR_FILEINFO, ITERATE2,
- "a language (e.g., fr), followed by one or more file extensions" },
- { "TypesConfig", set_types_config, NULL, RSRC_CONF, TAKE1,
- "the MIME types config file" },
- { NULL }
- };
-
- /* Hash table --- only one of these per daemon; virtual hosts can
- * get private versions through AddType...
- */
-
- #define MIME_HASHSIZE 27
- #define hash(i) (isalpha(i) ? (tolower(i)) - 'a' : 26)
-
- static table *hash_buckets[MIME_HASHSIZE];
-
- void init_mime (server_rec *s, pool *p)
- {
- FILE *f;
- char l[MAX_STRING_LEN];
- int x;
- char *types_confname = get_module_config (s->module_config, &mime_module);
-
- if (!types_confname) types_confname = TYPES_CONFIG_FILE;
-
- types_confname = server_root_relative (p, types_confname);
-
- if(!(f = fopen(types_confname,"r"))) {
- fprintf(stderr,"httpd: could not open mime types file %s\n",
- types_confname);
- perror("fopen");
- exit(1);
- }
-
- for(x=0;x<27;x++)
- hash_buckets[x] = make_table (p, 10);
-
- while(!(cfg_getline(l,MAX_STRING_LEN,f))) {
- char *ll = l, *ct;
-
- if(l[0] == '#') continue;
- ct = getword_conf (p, &ll);
-
- while(ll[0]) {
- char *ext = getword_conf (p, &ll);
- str_tolower (ext); /* ??? */
- table_set (hash_buckets[hash(ext[0])], ext, ct);
- }
- }
- fclose(f);
- }
-
- int find_ct(request_rec *r)
- {
- int i;
- char *fn = pstrdup (r->pool, r->filename);
- mime_dir_config *conf =
- (mime_dir_config *)get_module_config(r->per_dir_config, &mime_module);
- char *type;
-
- if (S_ISDIR(r->finfo.st_mode)) {
- r->content_type = DIR_MAGIC_TYPE;
- return OK;
- }
-
- if((i=rind(fn,'.')) < 0) return DECLINED;
- ++i;
-
- if ((type = table_get (conf->encoding_types, &fn[i])))
- {
- r->content_encoding = type;
-
- /* go back to previous extension to try to use it as a language */
-
- fn[i-1] = '\0';
- if((i=rind(fn,'.')) < 0) return OK;
- ++i;
- }
-
- if ((type = table_get (conf->language_types, &fn[i])))
- {
- r->content_language = type;
-
- /* go back to previous extension to try to use it as a type */
-
- fn[i-1] = '\0';
- if((i=rind(fn,'.')) < 0) return OK;
- ++i;
- }
-
- if ((type = table_get (conf->forced_types, &fn[i]))
- || (type = table_get (hash_buckets[hash(fn[i])], &fn[i])))
- {
- r->content_type = type;
- }
-
- return OK;
- }
-
-
- module mime_module = {
- STANDARD_MODULE_STUFF,
- init_mime, /* initializer */
- create_mime_dir_config,
- merge_mime_dir_configs,
- NULL, /* server config */
- NULL, /* merge server config */
- mime_cmds,
- NULL, /* handlers */
- NULL, /* filename translation */
- NULL, /* check_user_id */
- NULL, /* check auth */
- NULL, /* check access */
- find_ct, /* type_checker */
- NULL, /* fixups */
- NULL /* logger */
- };
-