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/*
* $Id: reply.c,v 1.1.1.1 2005/06/13 16:47:42 bogdan_iancu Exp $
*
* Presence Agent, reply building
*
* Copyright (C) 2001-2003 FhG Fokus
*
* 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
*/
#include "../../dprint.h"
#include "../../data_lump_rpl.h"
#include "reply.h"
#include "paerrno.h"
#include "pa_mod.h"
#define MSG_200 "OK"
#define MSG_400 "Bad Request"
#define MSG_500 "Server Internal Error"
#define EI_PA_OK "No problem"
#define EI_PA_PARSE_ERR "Error while parsing headers"
#define EI_PA_CONTACT_MISS "Contact header field missing"
#define EI_PA_FROM_MISS "From header field missing"
#define EI_PA_EVENT_MISS "Event header field missing"
#define EI_PA_EVENT_PARSE "Error while parsing Event header field"
#define EI_PA_EXPIRES_PARSE "Error while parsing Expires header field"
#define EI_PA_EVENT_UNSUPP "Unsupported event package"
#define EI_PA_NO_MEMORY "No memory left on the server"
#define EI_PA_TIMER_ERROR "Error while running timer"
#define EI_PA_EXTRACT_USER "Cannot extract username from URI"
#define EI_PA_CONT_PARSE "Error while parsing Contact"
#define EI_PA_CONT_STAR "Start not allowed in Contact"
#define EI_PA_FROM_ERROR "Error while parsing From"
#define EI_PA_SMALL_BUFFER "Buffer too small on the server"
#define EI_PA_UNSUPP_DOC "Unsupported document format"
#define EI_PA_INTERNAL_ERROR "Internal Server Error"
str error_info[] = {
{EI_PA_OK, sizeof(EI_PA_OK) - 1 },
{EI_PA_PARSE_ERR, sizeof(EI_PA_PARSE_ERR) - 1 },
{EI_PA_CONTACT_MISS, sizeof(EI_PA_CONTACT_MISS) - 1 },
{EI_PA_FROM_MISS, sizeof(EI_PA_FROM_MISS) - 1 },
{EI_PA_EVENT_MISS, sizeof(EI_PA_EVENT_MISS) - 1 },
{EI_PA_EVENT_PARSE, sizeof(EI_PA_EVENT_PARSE) - 1 },
{EI_PA_EXPIRES_PARSE, sizeof(EI_PA_EXPIRES_PARSE) - 1 },
{EI_PA_EVENT_UNSUPP, sizeof(EI_PA_EVENT_UNSUPP) - 1 },
{EI_PA_NO_MEMORY, sizeof(EI_PA_NO_MEMORY) - 1 },
{EI_PA_TIMER_ERROR, sizeof(EI_PA_TIMER_ERROR) - 1 },
{EI_PA_EXTRACT_USER, sizeof(EI_PA_EXTRACT_USER) - 1 },
{EI_PA_CONT_PARSE, sizeof(EI_PA_CONT_PARSE) - 1 },
{EI_PA_CONT_STAR, sizeof(EI_PA_CONT_STAR) - 1 },
{EI_PA_FROM_ERROR, sizeof(EI_PA_FROM_ERROR) - 1 },
{EI_PA_SMALL_BUFFER, sizeof(EI_PA_SMALL_BUFFER) - 1 },
{EI_PA_UNSUPP_DOC, sizeof(EI_PA_UNSUPP_DOC) - 1 },
{EI_PA_INTERNAL_ERROR, sizeof(EI_PA_INTERNAL_ERROR) - 1}
};
int codes[] = {
200, /* EI_PA_OK */
400, /* EI_PA_PARSE_ERR */
400, /* EI_PA_CONTACT_MISS */
400, /* EI_PA_FROM_MISS */
400, /* EI_PA_EVENT_MISS */
400, /* EI_PA_EVENT_PARSE */
400, /* EI_PA_EXPIRES_PARSE */
500, /* EI_PA_EVENT_UNSUPP */
500, /* EI_PA_NO_MEMORY */
500, /* EI_PA_TIMER_ERROR */
400, /* EI_PA_EXTRACT_USER */
400, /* EI_PA_CONT_PARSE */
400, /* EI_PA_CONT_STAR */
400, /* EI_PA_FROM_ERROR */
500, /* EI_PA_SMALL_BUFFER */
500, /* EI_PA_UNSUPP_DOC */
500 /* EI_PA_INTERNAL_ERROR */
};
/*
* Send a reply
*/
int send_reply(struct sip_msg* _m)
{
int code;
char* msg = MSG_200; /* makes gcc shut up */
code = codes[paerrno];
switch(code) {
case 200: msg = MSG_200; break;
case 400: msg = MSG_400; break;
case 500: msg = MSG_500; break;
}
if (code != 200) {
if (add_lump_rpl( _m, error_info[paerrno].s, error_info[paerrno].len,
LUMP_RPL_HDR|LUMP_RPL_NODUP|LUMP_RPL_NOFREE)==0) {
LOG(L_ERR, "ERROR:pa:send_reply: cannot add rpl_lump hdr\n");
return -1;
}
}
if (tmb.t_reply(_m, code, msg) == -1) {
LOG(L_ERR, "send_reply(): Error while sending %d %s\n", code, msg);
return -1;
} else return 0;
}
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