1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * http_auth: authentication
20 * Rob McCool & Brian Behlendorf.
22 * Adapted to Apache by rst.
26 #define APR_WANT_STRFUNC
28 #include "apr_strings.h"
30 #include "apr_md5.h" /* for apr_password_validate */
32 #include "ap_provider.h"
34 #include "http_config.h"
35 #include "http_core.h"
37 #include "http_protocol.h"
38 #include "http_request.h" /* for ap_hook_(check_user_id | auth_checker)*/
45 } authn_dbm_config_rec;
47 static void *create_authn_dbm_dir_config(apr_pool_t *p, char *d)
49 authn_dbm_config_rec *conf = apr_palloc(p, sizeof(*conf));
52 conf->dbmtype = "default";
57 static const char *set_dbm_type(cmd_parms *cmd,
61 authn_dbm_config_rec *conf = dir_config;
63 conf->dbmtype = apr_pstrdup(cmd->pool, arg);
67 static const command_rec authn_dbm_cmds[] =
69 AP_INIT_TAKE1("AuthDBMUserFile", ap_set_file_slot,
70 (void *)APR_OFFSETOF(authn_dbm_config_rec, pwfile),
71 OR_AUTHCFG, "dbm database file containing user IDs and passwords"),
72 AP_INIT_TAKE1("AuthDBMType", set_dbm_type,
74 OR_AUTHCFG, "what type of DBM file the user file is"),
78 module AP_MODULE_DECLARE_DATA authn_dbm_module;
80 static apr_status_t fetch_dbm_value(const char *dbmtype, const char *dbmfile,
81 const char *user, char **value,
88 rv = apr_dbm_open_ex(&f, dbmtype, dbmfile, APR_DBM_READONLY,
89 APR_OS_DEFAULT, pool);
91 if (rv != APR_SUCCESS) {
95 key.dptr = (char*)user;
96 #ifndef NETSCAPE_DBM_COMPAT
97 key.dsize = strlen(key.dptr);
99 key.dsize = strlen(key.dptr) + 1;
104 if (apr_dbm_fetch(f, key, &val) == APR_SUCCESS && val.dptr) {
105 *value = apr_pstrmemdup(pool, val.dptr, val.dsize);
113 static authn_status check_dbm_pw(request_rec *r, const char *user,
114 const char *password)
116 authn_dbm_config_rec *conf = ap_get_module_config(r->per_dir_config,
122 rv = fetch_dbm_value(conf->dbmtype, conf->pwfile, user, &dbm_password,
125 if (rv != APR_SUCCESS) {
126 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
127 "could not open dbm (type %s) auth file: %s",
128 conf->dbmtype, conf->pwfile);
129 return AUTH_GENERAL_ERROR;
133 return AUTH_USER_NOT_FOUND;
136 colon_pw = ap_strchr(dbm_password, ':');
141 rv = apr_password_validate(password, dbm_password);
143 if (rv != APR_SUCCESS) {
150 static authn_status get_dbm_realm_hash(request_rec *r, const char *user,
151 const char *realm, char **rethash)
153 authn_dbm_config_rec *conf = ap_get_module_config(r->per_dir_config,
159 rv = fetch_dbm_value(conf->dbmtype, conf->pwfile,
160 apr_pstrcat(r->pool, user, ":", realm, NULL),
163 if (rv != APR_SUCCESS) {
164 ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
165 "Could not open dbm (type %s) hash file: %s",
166 conf->dbmtype, conf->pwfile);
167 return AUTH_GENERAL_ERROR;
171 return AUTH_USER_NOT_FOUND;
174 colon_hash = ap_strchr(dbm_hash, ':');
181 return AUTH_USER_FOUND;
184 static const authn_provider authn_dbm_provider =
190 static void register_hooks(apr_pool_t *p)
192 ap_register_provider(p, AUTHN_PROVIDER_GROUP, "dbm", "0",
193 &authn_dbm_provider);
196 module AP_MODULE_DECLARE_DATA authn_dbm_module =
198 STANDARD20_MODULE_STUFF,
199 create_authn_dbm_dir_config, /* dir config creater */
200 NULL, /* dir merger --- default is to override */
201 NULL, /* server config */
202 NULL, /* merge server config */
203 authn_dbm_cmds, /* command apr_table_t */
204 register_hooks /* register hooks */