Home | History | Annotate | Line # | Download | only in global 
      1 /*	$NetBSD: reject_deliver_request.c,v 1.3 2026/05/09 18:49:16 christos Exp $	*/
      2 
      3 /*++
      4 /* NAME
      5 /*	reject_deliver_request 3
      6 /* SUMMARY
      7 /*	reject an entire delivery request
      8 /* SYNOPSIS
      9 /*	#include <reject_deliver_request.h>
     10 /*
     11 /*	int     reject_deliver_request(
     12 /*	const char *service,
     13 /*	DELIVER_REQUEST *request,
     14 /*	const char *code,
     15 /*	const char *format, ...);
     16 /* DESCRIPTION
     17 /*	reject_deliver_request() rejects an entire delivery request
     18 /*	and bounces or defers all its recipients. The result value
     19 /*	is the request's delivery status.
     20 /*
     21 /*	Arguments:
     22 /* .IP service
     23 /*	The service name from master.cf.
     24 /* .IP request
     25 /*	The delivery request that is being rejected.
     26 /* .IP code
     27 /*	Enhanced status code, must be in 4.X.X or 5.X.X. form.
     28 /*	All recipients in the request are bounced or deferred
     29 /*	depending on the status code value.
     30 /* .IP "format, ..."
     31 /*	Format string and optional arguments.
     32 /* DIAGNOSTICS
     33 /*	Panic: interface violation. Fatal: out of memory.
     34 /* LICENSE
     35 /* .ad
     36 /* .fi
     37 /*	The Secure Mailer license must be distributed with this software.
     38 /* AUTHOR(S)
     39 /*	Wietse Venema
     40 /*	Google, Inc.
     41 /*	111 8th Avenue
     42 /*	New York, NY 10011, USA
     43 /*
     44 /*	Wietse Venema
     45 /*	porcupine.org
     46 /*--*/
     47 
     48  /*
     49   * System library.
     50   */
     51 #include <sys_defs.h>
     52 #include <string.h>
     53 
     54  /*
     55   * Utility library.
     56   */
     57 #include <msg.h>
     58 
     59  /*
     60   * Global library.
     61   */
     62 #include <bounce.h>
     63 #include <defer.h>
     64 #include <deliver_completed.h>
     65 #include <deliver_request.h>
     66 #include <recipient_list.h>
     67 
     68 /* reject_deliver_request - reject an entire delivery request */
     69 
     70 int     reject_deliver_request(const char *service, DELIVER_REQUEST *request,
     71 			               const char *code,
     72 			               const char *format,...)
     73 {
     74     const char myname[] = "reject_deliver_request";
     75     va_list ap;
     76     RECIPIENT *rcpt;
     77     DSN_BUF *why;
     78     int     status;
     79     int     result = 0;
     80     int     n;
     81 
     82     /*
     83      * Format something that we can pass to bounce_append() or
     84      * defer_append().
     85      */
     86     va_start(ap, format);
     87     why = vdsb_simple(dsb_create(), code, format, ap);
     88     va_end(ap);
     89     (void) DSN_FROM_DSN_BUF(why);
     90     if (strchr("45", vstring_str(why->status)[0]) == 0)
     91 	msg_panic("%s: bad enhanced status code %s", myname, code);
     92 
     93     /*
     94      * Blindly bounce or defer all recipients.
     95      */
     96     for (n = 0; n < request->rcpt_list.len; n++) {
     97 	rcpt = request->rcpt_list.info + n;
     98 	status = (vstring_str(why->status)[0] != '4' ?
     99 		  bounce_append : defer_append)
    100 	    (DEL_REQ_TRACE_FLAGS(request->flags),
    101 	     request->queue_id,
    102 	     &request->msg_stats, rcpt,
    103 	     service, NO_TLS_STATS, &why->dsn);
    104 	if (status == 0)
    105 	    deliver_completed(request->fp, rcpt->offset);
    106 	result |= status;
    107     }
    108     dsb_free(why);
    109     return (result);
    110 }
    111