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/*
* Copyright (c) 1998-2001 Proofpoint, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#include <sendmail.h>
SM_RCSID("@(#)$Id: sysexits.c,v 8.35 2013/11/22 20:51:57 ca Exp $")
/*
** DSNTOEXITSTAT -- convert DSN-style error code to EX_ style.
**
** Parameters:
** dsncode -- the text of the DSN-style code.
**
** Returns:
** The corresponding exit status.
*/
int
dsntoexitstat(dsncode)
char *dsncode;
{
int code2, code3;
/* first the easy cases.... */
if (*dsncode == '2')
return EX_OK;
if (*dsncode == '4')
return EX_TEMPFAIL;
/* reject other illegal values */
if (*dsncode != '5')
return EX_CONFIG;
/* now decode the other two field parts */
if (*++dsncode == '.')
dsncode++;
code2 = atoi(dsncode);
while (*dsncode != '\0' && *dsncode != '.')
dsncode++;
if (*dsncode != '\0')
dsncode++;
code3 = atoi(dsncode);
/* and do a nested switch to work them out */
switch (code2)
{
case 0: /* Other or Undefined status */
return EX_UNAVAILABLE;
case 1: /* Address Status */
switch (code3)
{
case 0: /* Other Address Status */
return EX_DATAERR;
case 1: /* Bad destination mailbox address */
case 6: /* Mailbox has moved, No forwarding address */
return EX_NOUSER;
case 2: /* Bad destination system address */
case 8: /* Bad senders system address */
return EX_NOHOST;
case 3: /* Bad destination mailbox address syntax */
case 7: /* Bad senders mailbox address syntax */
return EX_USAGE;
case 4: /* Destination mailbox address ambiguous */
return EX_UNAVAILABLE;
case 5: /* Destination address valid */
/* According to RFC1893, this can't happen */
return EX_CONFIG;
}
break;
case 2: /* Mailbox Status */
switch (code3)
{
case 0: /* Other or Undefined mailbox status */
case 1: /* Mailbox disabled, not accepting messages */
case 2: /* Mailbox full */
case 4: /* Mailing list expansion problem */
return EX_UNAVAILABLE;
case 3: /* Message length exceeds administrative lim */
return EX_DATAERR;
}
break;
case 3: /* System Status */
return EX_OSERR;
case 4: /* Network and Routing Status */
switch (code3)
{
case 0: /* Other or undefined network or routing stat */
return EX_IOERR;
case 1: /* No answer from host */
case 3: /* Routing server failure */
case 5: /* Network congestion */
return EX_TEMPFAIL;
case 2: /* Bad connection */
return EX_IOERR;
case 4: /* Unable to route */
return EX_PROTOCOL;
case 6: /* Routing loop detected */
return EX_CONFIG;
case 7: /* Delivery time expired */
return EX_UNAVAILABLE;
}
break;
case 5: /* Protocol Status */
return EX_PROTOCOL;
case 6: /* Message Content or Media Status */
return EX_UNAVAILABLE;
case 7: /* Security Status */
return EX_DATAERR;
}
return EX_UNAVAILABLE;
}
/*
** EXITSTAT -- convert EX_ value to error text.
**
** Parameters:
** excode -- rstatus which might consists of an EX_* value.
**
** Returns:
** The corresponding error text or the original string.
*/
char *
exitstat(excode)
char *excode;
{
char *c;
int i;
char *exitmsg;
if (excode == NULL || *excode == '\0')
return excode;
i = (int) strtol(excode, &c, 10);
if (*c != '\0')
return excode;
exitmsg = sm_sysexitmsg(i);
if (exitmsg != NULL)
return exitmsg;
return excode;
}
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