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apache/modules/aaa/mod_authz_user.c
Stefan Fritsch 1008c27260 Allow authz providers to check args while reading the config and allow
them to cache parsed args.

Use this to check that argument to 'all' provider is 'granted' or 'denied'.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@998706 13f79535-47bb-0310-9956-ffa450edef68
2010-09-19 17:55:47 +00:00

116 lines
3.5 KiB
C

/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "apr_strings.h"
#include "ap_config.h"
#include "ap_provider.h"
#include "httpd.h"
#include "http_config.h"
#include "http_core.h"
#include "http_log.h"
#include "http_protocol.h"
#include "http_request.h"
#include "mod_auth.h"
typedef struct {
int dummy; /* just here to stop compiler warnings for now. */
} authz_user_config_rec;
static void *create_authz_user_dir_config(apr_pool_t *p, char *d)
{
authz_user_config_rec *conf = apr_palloc(p, sizeof(*conf));
return conf;
}
static const command_rec authz_user_cmds[] =
{
{NULL}
};
module AP_MODULE_DECLARE_DATA authz_user_module;
static authz_status user_check_authorization(request_rec *r,
const char *require_args,
const void *parsed_require_args)
{
const char *t, *w;
if (!r->user) {
return AUTHZ_DENIED_NO_USER;
}
t = require_args;
while ((w = ap_getword_conf(r->pool, &t)) && w[0]) {
if (!strcmp(r->user, w)) {
return AUTHZ_GRANTED;
}
}
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"access to %s failed, reason: user '%s' does not meet "
"'require'ments for user to be allowed access",
r->uri, r->user);
return AUTHZ_DENIED;
}
static authz_status validuser_check_authorization(request_rec *r,
const char *require_line,
const void *parsed_require_line)
{
if (!r->user) {
return AUTHZ_DENIED_NO_USER;
}
return AUTHZ_GRANTED;
}
static const authz_provider authz_user_provider =
{
&user_check_authorization,
NULL,
};
static const authz_provider authz_validuser_provider =
{
&validuser_check_authorization,
NULL,
};
static void register_hooks(apr_pool_t *p)
{
ap_register_auth_provider(p, AUTHZ_PROVIDER_GROUP, "user",
AUTHZ_PROVIDER_VERSION,
&authz_user_provider, AP_AUTH_INTERNAL_PER_CONF);
ap_register_auth_provider(p, AUTHZ_PROVIDER_GROUP, "valid-user",
AUTHZ_PROVIDER_VERSION,
&authz_validuser_provider,
AP_AUTH_INTERNAL_PER_CONF);
}
AP_DECLARE_MODULE(authz_user) =
{
STANDARD20_MODULE_STUFF,
create_authz_user_dir_config, /* dir config creater */
NULL, /* dir merger --- default is to override */
NULL, /* server config */
NULL, /* merge server config */
authz_user_cmds, /* command apr_table_t */
register_hooks /* register hooks */
};