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/*
* $Id: hash.h,v 1.4 2006/03/20 00:28:56 juhe Exp $
*
* Header file for allow_trusted hash table functions
*
* Copyright (C) 2003 Juha Heinanen
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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 _PERM_HASH_H_
#define _PERM_HASH_H_
#include <stdio.h>
#include "../../parser/msg_parser.h"
#include "../../str.h"
#include "../../usr_avp.h"
#define PERM_HASH_SIZE 128
/*
* Structure stored in the hash table
*/
struct trusted_list {
str src_ip; /* Source IP of SIP message */
int proto; /* Protocol -- UDP, TCP, TLS, or SCTP */
char *pattern; /* Pattern matching From header field */
str tag; /* Tag to be assigned to AVP */
struct trusted_list *next; /* Next element in the list */
};
/*
* Parse and init tag avp specification
*/
int init_tag_avp(char *tag_avp_param);
/*
* Gets tag avp specs
*/
void get_tag_avp(int_str *tag_avp_p, int *tag_avp_type_p);
/*
* Create and initialize a hash table
*/
struct trusted_list** new_hash_table(void);
/*
* Release all memory allocated for a hash table
*/
void free_hash_table(struct trusted_list** table);
/*
* Destroy a hash table
*/
void destroy_hash_table(struct trusted_list** table);
/*
* Add <src_ip, proto, pattern> into hash table, where proto is integer
* representation of string argument proto.
*/
int hash_table_insert(struct trusted_list** hash_table, char* src_ip,
char* proto, char* pattern, char* tag);
/*
* Check if an entry exists in hash table that has given src_ip and protocol
* value and pattern that matches to From URI.
*/
int match_hash_table(struct trusted_list** table, struct sip_msg* msg);
/*
* Print domains stored in hash table
*/
void hash_table_print(struct trusted_list** hash_table, FILE* reply_file);
/*
* Empty hash table
*/
void empty_hash_table(struct trusted_list** hash_table);
#endif /* _PERM_HASH_H_ */
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