modules_k/seas/encode_allow.c
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 /* $Id$
  *
  * Copyright (C) 2006-2007 VozTelecom Sistemas S.L
  *
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  * This file is part of Kamailio, a free SIP server.
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  *
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  * Kamailio is free software; you can redistribute it and/or modify
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  * 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
  *
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  * Kamailio is distributed in the hope that it will be useful,
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  * 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
  */
 
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 /*
  * =====================================================================================
  * 
  *        Filename:  encode_allow.c
  * 
  *     Description:  [en|de]code allow header
  * 
  *         Version:  1.0
  *         Created:  21/11/05 20:40:25 CET
  *        Revision:  none
  *        Compiler:  gcc
  * 
  *          Author:  Elias Baixas (EB), elias@conillera.net
  *         Company:  VozTele.com
  * 
  * =====================================================================================
  */
 
 #define _GNU_SOURCE
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 #include <stdio.h>
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 #include <string.h>
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 #include <netinet/in.h>
 #include <arpa/inet.h>
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 #include "../../parser/parse_allow.h"
 #include "../../parser/msg_parser.h"
 #include "encode_allow.h"
 
 char *mismetodos[]={"UNDEF","INVITE","CANCEL","ACK","BYE","INFO","OPTIONS","UPDATE","REGISTER","MESSAGE","SUBSCRIBE","NOTIFY","PRACK","REFER","OTHER"};
 
 /**
  * Encodes allow header.
  *
  * TODO: Does not support the UNDEFINED header type !!!
  */
 int encode_allow(char *hdrstart,int hdrlen,unsigned int *bodi,char *where)
 {
    unsigned int i;
    memcpy(&i,bodi,4);
    i=htonl(i);
    memcpy(where,&i,4);
    return 4;
 }
 
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 int print_encoded_allow(FILE *fd,char *hdr,int hdrlen,unsigned char* payload,int paylen,char *prefix)
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 {
    unsigned int i,j=0,body;
 
    memcpy(&body,payload,4);
    body=ntohl(body);
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    fprintf(fd,"%sMETHODS=",prefix);
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    if(body==0)
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       fprintf(fd,"UNKNOWN");
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    for(i=0;i<32;j=(0x01<<i),i++){
       if(body & (j<15))
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 	 fprintf(fd,",%s",mismetodos[i]);
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    }
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    fprintf(fd,"\n");
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    return 1;
 }