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/*
* HttpAuth
*
* Copyright (C) 2004 Nate Nielsen
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef BD_H
#define BD_H
#include "hash.h"
#include "digest.h"
#include "httpauthd.h"
/* ----------------------------------------------------------------------------------
* Callbacks
*/
/*
* A callback for completing a given user's digest ha1. In this function
* you're required to fill in the digest ha1 hash for the user. ha1 will
* always be an array of MD5_LEN bytes.
*
* Return Values
* HA_OK: completed successfully
* HA_FAILED: error retrieving hash (should have logged error)
*/
typedef int (*bd_validate_digest)(ha_request_t* rq,
const char* user, digest_context_t* dg);
/*
* A callback for validating a given user's password.
*
* Return Values
* HA_OK: good password
* HA_FALSE: invalid password
* HA_FAILED: error validating (should have logged error)
*/
typedef int (*bd_validate_basic)(ha_request_t* rq,
const char* user, const char* password);
/*
* Escapes a value for sending to 'server'
*/
typedef void (*bd_escape_value)(const ha_request_t* rq, ha_buffer_t* buf,
const char* value);
/* ----------------------------------------------------------------------------------
* Base Context
*/
typedef struct bd_context
{
/* Readonly ---------------------------------------------*/
bd_validate_digest f_validate_digest;
bd_validate_basic f_validate_basic;
bd_escape_value f_escape_value;
/* Require locking --------------------------------------*/
hsh_t* cache; /* Some cached records or basic */
}
bd_context_t;
#define BD_CALLBACKS(a, b, c) {(a), (b), (c), NULL }
#define BD_DEFAULTS { NULL, NULL, NULL, NULL }
/* ----------------------------------------------------------------------------------
* Base Handler Functions
*/
/*
* The base/digest initialize function. Call this from your
* 'derived' handler initialize function.
*/
int bd_init(ha_context_t* context);
/*
* The base/digest uninitialize function. Call this from your
* 'derived' handler uninitialize function.
*/
void bd_destroy(ha_context_t* context);
/*
* The base/digest processer for requests. Call this from your
* 'derived' handler process function.
*/
int bd_process(ha_request_t* rq);
/* ----------------------------------------------------------------------------------
* Other helper functionts
*/
const char* bd_substitute(const ha_request_t* rq, const char* user, const char* str);
#endif /* BD_H */
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