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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 opensips, a free SIP server.
*
* opensips 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
*
* opensips 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
*
*
* History:
* --------
* 2003-04-04 phrase length corrected not to include trailer 0 (jiri)
* 2006-12-18 error phrases updates (norman)
*/
/*!
* \file error.c
* \brief OpenSIPS Error handling functions
*
* \note For a list of error codes in SIP, please check
* http://www.iana.org/assignments/sip-parameters
*/
#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 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_IP_BLOCKED:
error_txt="Filtered destination";
*sip_error=-ser_error;
break;
case E_SEND:
error_txt="Send failed";
*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="Bad 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_NO_DESTINATION:
error_txt="No destination available";
*sip_error=-E_BAD_SERVER;
break;
case E_OUT_OF_MEM:
/* don't disclose lack of mem in release mode */
#ifdef DEBUG
error_txt="Excuse me I ran out of memory";
*sip_error=-E_BAD_SERVER;
break;
#endif
default:
error_txt="Server error occurred";
*sip_error=-E_BAD_SERVER;
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 202: return "Accepted";
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 409: return "Conflict";
case 410: return "Gone";
case 411: return "Length Required";
case 412: return "Conditional Request Failed";
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 "Unknown Resource-Priority";
case 420: return "Bad Extension";
case 421: return "Extension Required";
case 422: return "Session Interval Too Small";
case 423: return "Interval Too Brief";
case 428: return "Use Identity Header";
case 429: return "Provide Referrer Identity";
case 436: return "Bad Identity-Info";
case 437: return "Unsupported Certificate";
case 438: return "Invalid Identity Header";
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 489: return "Bad Event";
case 491: return "Request Pending";
case 493: return "Undecipherable";
case 494: return "Security Agreement Required";
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 580: return "Precondition Failure";
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("called with 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 pkg 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;
}