root/usr/src/cmd/mail/mta_ercode.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include "mail.h"
/*
 * Map mail(1) error into MTA reason-codes for negative delivery notification.
 */
static char *MTAerrors[] = {
                "",
/*  1 */        "Invalid Address Specification",
/*  2 */        "Ambiguous Originator/Recipient Name",
/*  3 */        "Message Transfer Agent Congestion",
/*  4 */        "Loop Detection",
/*  5 */        "Unavailable User Agent",
/*  6 */        "Expired Maximum Time",
/*  7 */        "Unsupported Encoded Information Types",
/*  8 */        "Prohibited Conversion",
/*  9 */        "Impractical Conversion",
/* 10 */        "Invalid Parameters",
/* 11 */        "Transfer Failure",
/* 12 */        "Inability To Transfer",
/* 13 */        "Conversion Not Performed",
/* 14 */        "Deferred Delivery Not Available",
/* 15 */        "Too many Recipients",
/* 16 */        "Mail Too Large For Destination To Receive"
};

void mta_ercode(outfile)
FILE *outfile;
{
        register int mtacode;
        switch (error) {
        case E_FROM:    /* too many From lines */
                mtacode = 1;
                break;

        case E_SNDR:    /* invalid sender */
        case E_USER:    /* invalid user */
                mtacode = 2;
                break;

        case E_FRWL:    /* forwarding loop */
        case E_UNBND:   /* Unbounded forwarding */
                mtacode = 4;
                break;

        case 23:        /* disallowed from sending binary to remote */
                mtacode = 7;
                break;

        case E_SYNTAX:  /* syntax error */
        default:
                mtacode = 10;
                break;

        case E_SURG:    /* surrogate command failed - rc != 0 || 99 */
                mtacode = 11;
                break;

        case E_REMOTE:  /* unknown remote */
        case E_FILE:    /* file error */
        case E_FRWD:    /* cannot forward */
        case E_PERM:    /* bad permissions */
        case E_TMP:     /* temporary file problem */
        case E_DEAD:    /* Cannot create dead.letter */
        case E_LOCK:    /* cannot create lock file */
        case E_GROUP:   /* no group id of 'mail' */
        case E_MEM:     /* malloc failure */
        case E_FORK:    /* could not fork */
        case E_PIPE:    /* could not pipe */
        case E_OWNR:    /* invoker does not own mailfile */
        case E_DENY:    /* permission denied by mailsurr file */
                mtacode = 12;
                break;

        case E_MBOX:    /* mbox problem */
                mtacode = 12;
                if (sav_errno != EFBIG) {
                        break;
                }
                /* Note drop-thru... */
        case E_SPACE:   /* no space */
                mtacode = 16;
                break;
        }
        fprintf(outfile, "%.2d  %s\n", mtacode, MTAerrors[mtacode]);
}