mirror of https://github.com/sipwise/kamailio.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.1 KiB
75 lines
2.1 KiB
/*
|
|
* Digest Authentication Module
|
|
* nonce-count (nc) tracking
|
|
*
|
|
* Copyright (C) 2008 iptelorg GmbH
|
|
*
|
|
* This file is part of Kamailio, a free SIP server.
|
|
*
|
|
* Kamailio 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
|
|
*
|
|
* Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Defines:
|
|
* USE_NC - if not defined no NC specific code will be compiled
|
|
*/
|
|
|
|
#ifndef _nc_h
|
|
#define _nc_h
|
|
|
|
extern int nc_enabled;
|
|
|
|
/* instead of storing only the 2^k size we store also k
|
|
* for faster operations */
|
|
extern unsigned nc_array_k; /* array size bits (k in 2^k) */
|
|
extern unsigned nc_array_size; /* 2^k == 1<<nc_array_bits */
|
|
|
|
#ifdef USE_NC
|
|
|
|
#include "nid.h" /* nid_t */
|
|
#include "../../atomic_ops.h"
|
|
|
|
|
|
/* default number of maximum in-flight nonces */
|
|
#define DEFAULT_NC_ARRAY_SIZE 1024*1024 /* uses 1Mb of memory */
|
|
#define MIN_NC_ARRAY_SIZE 102400 /* warn if size < 100k */
|
|
#define MAX_NC_ARRAY_SIZE 1024*1024*1024 /* warn if size > 1Gb */
|
|
|
|
#define MIN_NC_ARRAY_PARTITION 65536 /* warn if a partition is < 65k */
|
|
|
|
|
|
typedef unsigned char nc_t;
|
|
|
|
int init_nonce_count();
|
|
void destroy_nonce_count();
|
|
|
|
|
|
enum nc_check_ret{
|
|
NC_OK=0, NC_INV_POOL=-1, NC_ID_OVERFLOW=-2, NC_TOO_BIG=-3,
|
|
NC_REPLAY=-4
|
|
};
|
|
|
|
/* check if nonce-count nc w/ index i is expected/valid and record its
|
|
* value */
|
|
enum nc_check_ret nc_check_val(nid_t i, unsigned pool, unsigned int nc);
|
|
|
|
/* re-init the stored nc for nonce id in pool pool_no */
|
|
nid_t nc_new(nid_t id, unsigned char pool_no);
|
|
|
|
#endif /* USE_NC */
|
|
#endif /* _nc_h */
|
|
|