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error.c
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error.c
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/*
* Copyright (C) 2001-2003 FhG Fokus
*
* 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
*
*/
/*!
* \file
* \brief Kamailio core :: Error handling
* \ingroup core
* Module: \ref core
*/
#include <stdio.h>
#include "error.h"
#include "str.h"
#include "parser/msg_parser.h"
#include "mem/mem.h"
/* current function's error; */
int ser_error=-1;
/* previous error */
int prev_ser_error=-1;
int err2reason_phrase(
int ser_error, /* current internal ser error */
int *sip_error, /* the sip error code to which ser
ser error will be turned */
char *phrase, /* resulting error text */
int etl, /* error text buffer length */
char *signature ) /* extra text to be appended */
{
char *error_txt;
switch( ser_error ) {
case E_SEND:
error_txt="Unfortunately error on sending to next hop occurred";
*sip_error=-ser_error;
break;
case E_BAD_ADDRESS:
error_txt="Unresolvable destination";
*sip_error=-ser_error;
break;
case E_BAD_REQ:
error_txt="Bad Request";
*sip_error=-ser_error;
break;
case E_BAD_URI:
error_txt="Regretfully, we were not able to process the URI";
*sip_error=-ser_error;
break;
case E_BAD_TUPEL:
error_txt="Transaction tuple incomplete";
*sip_error=-E_BAD_REQ;
break;
case E_BAD_TO:
error_txt="Bad To";
*sip_error=-E_BAD_REQ;
break;
case E_EXEC:
error_txt="Error in external logic";
*sip_error=-E_BAD_SERVER;
break;
case E_TOO_MANY_BRANCHES:
error_txt="Forking capacity exceeded";
*sip_error=-E_BAD_SERVER;
break;
case E_Q_INV_CHAR:
error_txt="Invalid character in q parameter";
*sip_error=-E_BAD_REQ;
break;
case E_Q_EMPTY:
error_txt="Empty q parameter";
*sip_error=-E_BAD_REQ;
break;;
case E_Q_TOO_BIG:
error_txt="q parameter too big";
*sip_error=-E_BAD_REQ;
break;
case E_Q_DEC_MISSING:
error_txt="Decimal part missing in q";
*sip_error=-E_BAD_REQ;
break;
case E_CANCELED:
error_txt="transaction canceled";
*sip_error=-ser_error;
break;
case E_OUT_OF_MEM:
/* dont disclose lack of mem in release mode */
#ifdef EXTRA_DEBUG
error_txt="Excuse me I ran out of memory";
*sip_error=500;
break;
#endif
case E_OK:
error_txt="No error";
*sip_error=500;
break;
default:
error_txt="I'm terribly sorry, server error occurred";
*sip_error=500;
break;
}
return snprintf( phrase, etl, "%s (%d/%s)", error_txt,
-ser_error, signature );
}
char *error_text( int code )
{
switch(code) {
case 100: return "Trying";
case 180: return "Ringing";
case 181: return "Call is Being Forwarded";
case 182: return "Queued";
case 183: return "Session Progress";
case 200: return "OK";
case 300: return "Multiple Choices";
case 301: return "Moved Permanently";
case 302: return "Moved Temporarily";
case 305: return "Use Proxy";
case 380: return "Alternative Service";
case 400: return "Bad Request";
case 401: return "Unauthorized";
case 402: return "Payment Required";
case 403: return "Forbidden";
case 404: return "Not Found";
case 405: return "Method not Allowed";
case 406: return "Not Acceptable";
case 407: return "Proxy authentication Required";
case 408: return "Request Timeout";
case 410: return "Gone";
case 413: return "Request Entity Too Large";
case 414: return "Request-URI Too Long";
case 415: return "Unsupported Media Type";
case 416: return "Unsupported URI Scheme";
case 417: return "Bad Extension";
case 421: return "Extension Required";
case 423: return "Interval Too Brief";
case 480: return "Temporarily Unavailable";
case 481: return "Call/Transaction Does not Exist";
case 482: return "Loop Detected";
case 483: return "Too Many Hops";
case 484: return "Address Incomplete";
case 485: return "Ambiguous";
case 486: return "Busy Here";
case 487: return "Request Terminated";
case 488: return "Not Acceptable Here";
case 491: return "Request Pending";
case 500: return "Server Internal Error";
case 501: return "Not Implemented";
case 502: return "Bad Gateway";
case 503: return "Service Unavailable";
case 504: return "Server Time-out";
case 505: return "Version not Supported";
case 513: return "Message Too Large";
case 600: return "Busy Everywhere";
case 603: return "Decline";
case 604: return "Does not Exist Anywhere";
case 606: return "Not Acceptable";
}
if (code>=600) return "Global Failure";
else if (code>=500) return "Server Failure";
else if (code>=400) return "Request Failure";
else if (code>=300) return "Redirection";
else if (code>=200) return "Successful";
else if (code>=100) return "Provisional";
else return "Unspecified";
}
void get_reply_status( str *status, struct sip_msg *reply, int code )
{
str phrase;
status->s=0;
if (reply==0) {
LM_CRIT("0 msg\n");
return;
}
if (reply==FAKED_REPLY) {
phrase.s=error_text(code);
phrase.len=strlen(phrase.s);
} else {
phrase=reply->first_line.u.reply.reason;
}
status->len=phrase.len+3/*code*/+1/*space*/;
status->s=pkg_malloc(status->len+1/*ZT */);
if (!status->s) {
LM_ERR("no mem\n");
return;
}
status->s[3]=' ';
status->s[2]='0'+code % 10; code=code/10;
status->s[1]='0'+code% 10; code=code/10;
status->s[0]='0'+code % 10;
memcpy(&status->s[4], phrase.s, phrase.len);
status->s[status->len]=0;
}