1274 lines
31 KiB
C
1274 lines
31 KiB
C
/* $NetBSD: envelope.c,v 1.8 2003/06/01 14:07:06 atatat Exp $ */
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: envelope.c,v 1.8 2003/06/01 14:07:06 atatat Exp $");
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#endif
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/*
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* Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
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* All rights reserved.
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* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the sendmail distribution.
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*
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*/
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#include <sendmail.h>
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SM_RCSID("@(#)Id: envelope.c,v 8.282.2.2 2002/12/04 15:44:08 ca Exp")
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/*
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** CLRSESSENVELOPE -- clear session oriented data in an envelope
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**
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** Parameters:
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** e -- the envelope to clear.
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**
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** Returns:
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** none.
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*/
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void
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clrsessenvelope(e)
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ENVELOPE *e;
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{
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#if SASL
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macdefine(&e->e_macro, A_PERM, macid("{auth_type}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{auth_authen}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{auth_author}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{auth_ssf}"), "");
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#endif /* SASL */
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#if STARTTLS
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macdefine(&e->e_macro, A_PERM, macid("{cert_issuer}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{cert_subject}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{cipher_bits}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{cipher}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{tls_version}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{verify}"), "");
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# if _FFR_TLS_1
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macdefine(&e->e_macro, A_PERM, macid("{alg_bits}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{cn_issuer}"), "");
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macdefine(&e->e_macro, A_PERM, macid("{cn_subject}"), "");
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# endif /* _FFR_TLS_1 */
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#endif /* STARTTLS */
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}
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/*
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** NEWENVELOPE -- fill in a new envelope
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**
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** Supports inheritance.
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**
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** Parameters:
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** e -- the new envelope to fill in.
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** parent -- the envelope to be the parent of e.
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** rpool -- either NULL, or a pointer to a resource pool
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** from which envelope memory is allocated, and
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** to which envelope resources are attached.
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**
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** Returns:
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** e.
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**
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** Side Effects:
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** none.
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*/
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ENVELOPE *
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newenvelope(e, parent, rpool)
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register ENVELOPE *e;
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register ENVELOPE *parent;
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SM_RPOOL_T *rpool;
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{
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/*
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** This code used to read:
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** if (e == parent && e->e_parent != NULL)
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** parent = e->e_parent;
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** So if e == parent && e->e_parent == NULL then we would
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** set e->e_parent = e, which creates a loop in the e_parent chain.
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** This meant macvalue() could go into an infinite loop.
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*/
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if (e == parent)
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parent = e->e_parent;
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clearenvelope(e, true, rpool);
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if (e == CurEnv)
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memmove((char *) &e->e_from,
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(char *) &NullAddress,
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sizeof e->e_from);
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else
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memmove((char *) &e->e_from,
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(char *) &CurEnv->e_from,
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sizeof e->e_from);
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e->e_parent = parent;
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assign_queueid(e);
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e->e_ctime = curtime();
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if (parent != NULL)
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{
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e->e_msgpriority = parent->e_msgsize;
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#if _FFR_QUARANTINE
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if (parent->e_quarmsg == NULL)
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{
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e->e_quarmsg = NULL;
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macdefine(&e->e_macro, A_PERM,
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macid("{quarantine}"), "");
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}
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else
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{
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e->e_quarmsg = sm_rpool_strdup_x(rpool,
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parent->e_quarmsg);
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macdefine(&e->e_macro, A_PERM,
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macid("{quarantine}"), e->e_quarmsg);
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}
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#endif /* _FFR_QUARANTINE */
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}
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e->e_puthdr = putheader;
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e->e_putbody = putbody;
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if (CurEnv->e_xfp != NULL)
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(void) sm_io_flush(CurEnv->e_xfp, SM_TIME_DEFAULT);
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return e;
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}
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/* values for msg_timeout, see also IS_* below for usage (bit layout) */
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#define MSG_T_O 0x01 /* normal timeout */
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#define MSG_T_O_NOW 0x02 /* NOW timeout */
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#define MSG_NOT_BY 0x04 /* Deliver-By time exceeded, mode R */
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#define MSG_WARN 0x10 /* normal queue warning */
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#define MSG_WARN_BY 0x20 /* Deliver-By time exceeded, mode N */
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#define IS_MSG_ERR(x) (((x) & 0x0f) != 0) /* return an error */
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/* immediate return */
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#define IS_IMM_RET(x) (((x) & (MSG_T_O_NOW|MSG_NOT_BY)) != 0)
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#define IS_MSG_WARN(x) (((x) & 0xf0) != 0) /* return a warning */
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/*
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** DROPENVELOPE -- deallocate an envelope.
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**
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** Parameters:
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** e -- the envelope to deallocate.
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** fulldrop -- if set, do return receipts.
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** split -- if true, split by recipient if message is queued up
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**
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** Returns:
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** none.
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**
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** Side Effects:
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** housekeeping necessary to dispose of an envelope.
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** Unlocks this queue file.
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*/
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void
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dropenvelope(e, fulldrop, split)
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register ENVELOPE *e;
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bool fulldrop;
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bool split;
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{
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bool panic = false;
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bool queueit = false;
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int msg_timeout = 0;
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bool failure_return = false;
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bool delay_return = false;
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bool success_return = false;
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bool pmnotify = bitset(EF_PM_NOTIFY, e->e_flags);
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bool done = false;
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register ADDRESS *q;
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char *id = e->e_id;
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time_t now;
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char buf[MAXLINE];
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if (tTd(50, 1))
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{
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sm_dprintf("dropenvelope %p: id=", e);
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xputs(e->e_id);
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sm_dprintf(", flags=");
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printenvflags(e);
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if (tTd(50, 10))
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{
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sm_dprintf("sendq=");
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printaddr(e->e_sendqueue, true);
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}
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}
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if (LogLevel > 84)
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sm_syslog(LOG_DEBUG, id,
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"dropenvelope, e_flags=0x%lx, OpMode=%c, pid=%d",
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e->e_flags, OpMode, (int) CurrentPid);
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/* we must have an id to remove disk files */
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if (id == NULL)
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return;
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/* if verify-only mode, we can skip most of this */
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if (OpMode == MD_VERIFY)
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goto simpledrop;
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if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags))
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logsender(e, NULL);
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e->e_flags &= ~EF_LOGSENDER;
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/* post statistics */
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poststats(StatFile);
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/*
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** Extract state information from dregs of send list.
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*/
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now = curtime();
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if (now >= e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass])
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msg_timeout = MSG_T_O;
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if (IS_DLVR_RETURN(e) && e->e_deliver_by > 0 &&
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now >= e->e_ctime + e->e_deliver_by &&
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!bitset(EF_RESPONSE, e->e_flags))
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{
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msg_timeout = MSG_NOT_BY;
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e->e_flags |= EF_FATALERRS|EF_CLRQUEUE;
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}
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else if (TimeOuts.to_q_return[e->e_timeoutclass] == NOW &&
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!bitset(EF_RESPONSE, e->e_flags))
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{
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msg_timeout = MSG_T_O_NOW;
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e->e_flags |= EF_FATALERRS|EF_CLRQUEUE;
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}
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e->e_flags &= ~EF_QUEUERUN;
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for (q = e->e_sendqueue; q != NULL; q = q->q_next)
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{
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if (QS_IS_UNDELIVERED(q->q_state))
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queueit = true;
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/* see if a notification is needed */
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if (bitset(QPINGONFAILURE, q->q_flags) &&
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((IS_MSG_ERR(msg_timeout) &&
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QS_IS_UNDELIVERED(q->q_state)) ||
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QS_IS_BADADDR(q->q_state) ||
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IS_IMM_RET(msg_timeout)))
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{
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failure_return = true;
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if (!done && q->q_owner == NULL &&
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!emptyaddr(&e->e_from))
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{
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(void) sendtolist(e->e_from.q_paddr, NULLADDR,
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&e->e_errorqueue, 0, e);
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done = true;
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}
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}
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else if ((bitset(QPINGONSUCCESS, q->q_flags) &&
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((QS_IS_SENT(q->q_state) &&
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bitnset(M_LOCALMAILER, q->q_mailer->m_flags)) ||
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bitset(QRELAYED|QEXPANDED|QDELIVERED, q->q_flags))) ||
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bitset(QBYTRACE, q->q_flags) ||
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bitset(QBYNRELAY, q->q_flags))
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{
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success_return = true;
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}
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}
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if (e->e_class < 0)
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e->e_flags |= EF_NO_BODY_RETN;
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/*
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** See if the message timed out.
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*/
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if (!queueit)
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/* EMPTY */
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/* nothing to do */ ;
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else if (IS_MSG_ERR(msg_timeout))
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{
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if (failure_return)
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{
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if (msg_timeout == MSG_NOT_BY)
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{
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(void) sm_snprintf(buf, sizeof buf,
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"delivery time expired %lds",
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e->e_deliver_by);
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}
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else
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{
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(void) sm_snprintf(buf, sizeof buf,
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"Cannot send message for %s",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
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false));
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}
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/* don't free, allocated from e_rpool */
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e->e_message = sm_rpool_strdup_x(e->e_rpool, buf);
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message(buf);
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e->e_flags |= EF_CLRQUEUE;
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}
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if (msg_timeout == MSG_NOT_BY)
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{
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Delivery time (%lds) expired\n",
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e->e_deliver_by);
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}
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else
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Message could not be delivered for %s\n",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
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false));
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Message will be deleted from queue\n");
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for (q = e->e_sendqueue; q != NULL; q = q->q_next)
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{
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if (QS_IS_UNDELIVERED(q->q_state))
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{
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q->q_state = QS_BADADDR;
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if (msg_timeout == MSG_NOT_BY)
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q->q_status = "5.4.7";
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else
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q->q_status = "4.4.7";
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}
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}
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}
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else
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{
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if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 &&
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now >= e->e_ctime +
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TimeOuts.to_q_warning[e->e_timeoutclass])
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msg_timeout = MSG_WARN;
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else if (IS_DLVR_NOTIFY(e) &&
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e->e_deliver_by > 0 &&
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now >= e->e_ctime + e->e_deliver_by)
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msg_timeout = MSG_WARN_BY;
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if (IS_MSG_WARN(msg_timeout))
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{
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if (!bitset(EF_WARNING|EF_RESPONSE, e->e_flags) &&
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e->e_class >= 0 &&
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e->e_from.q_paddr != NULL &&
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strcmp(e->e_from.q_paddr, "<>") != 0 &&
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sm_strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 &&
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(strlen(e->e_from.q_paddr) <= 8 ||
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sm_strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8],
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"-request") != 0))
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{
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for (q = e->e_sendqueue; q != NULL;
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q = q->q_next)
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{
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if (QS_IS_UNDELIVERED(q->q_state)
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#if _FFR_NODELAYDSN_ON_HOLD
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&& !bitnset(M_HOLD,
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q->q_mailer->m_flags)
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#endif /* _FFR_NODELAYDSN_ON_HOLD */
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)
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{
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if (msg_timeout ==
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MSG_WARN_BY &&
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(bitset(QPINGONDELAY,
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q->q_flags) ||
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!bitset(QHASNOTIFY,
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q->q_flags))
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)
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{
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q->q_flags |= QBYNDELAY;
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delay_return = true;
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}
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if (bitset(QPINGONDELAY,
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q->q_flags))
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{
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q->q_flags |= QDELAYED;
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delay_return = true;
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}
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}
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}
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}
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if (delay_return)
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{
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if (msg_timeout == MSG_WARN_BY)
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{
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(void) sm_snprintf(buf, sizeof buf,
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"Warning: Delivery time (%lds) exceeded",
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e->e_deliver_by);
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}
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else
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(void) sm_snprintf(buf, sizeof buf,
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"Warning: could not send message for past %s",
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pintvl(TimeOuts.to_q_warning[e->e_timeoutclass],
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false));
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/* don't free, allocated from e_rpool */
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e->e_message = sm_rpool_strdup_x(e->e_rpool,
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buf);
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message(buf);
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e->e_flags |= EF_WARNING;
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}
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if (msg_timeout == MSG_WARN_BY)
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{
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Warning: Delivery time (%lds) exceeded\n",
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e->e_deliver_by);
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}
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else
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Warning: message still undelivered after %s\n",
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pintvl(TimeOuts.to_q_warning[e->e_timeoutclass],
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false));
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(void) sm_io_fprintf(e->e_xfp, SM_TIME_DEFAULT,
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"Will keep trying until message is %s old\n",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass],
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false));
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}
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}
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if (tTd(50, 2))
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sm_dprintf("failure_return=%d delay_return=%d success_return=%d queueit=%d\n",
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failure_return, delay_return, success_return, queueit);
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/*
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** If we had some fatal error, but no addresses are marked as
|
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** bad, mark them _all_ as bad.
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*/
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if (bitset(EF_FATALERRS, e->e_flags) && !failure_return)
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{
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for (q = e->e_sendqueue; q != NULL; q = q->q_next)
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{
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if ((QS_IS_OK(q->q_state) ||
|
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QS_IS_VERIFIED(q->q_state)) &&
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bitset(QPINGONFAILURE, q->q_flags))
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{
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failure_return = true;
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q->q_state = QS_BADADDR;
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}
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}
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}
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|
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/*
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** Send back return receipts as requested.
|
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*/
|
|
|
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if (success_return && !failure_return && !delay_return && fulldrop &&
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!bitset(PRIV_NORECEIPTS, PrivacyFlags) &&
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strcmp(e->e_from.q_paddr, "<>") != 0)
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{
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auto ADDRESS *rlist = NULL;
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if (tTd(50, 8))
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sm_dprintf("dropenvelope(%s): sending return receipt\n",
|
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id);
|
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e->e_flags |= EF_SENDRECEIPT;
|
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(void) sendtolist(e->e_from.q_paddr, NULLADDR, &rlist, 0, e);
|
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(void) returntosender("Return receipt", rlist, RTSF_NO_BODY, e);
|
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}
|
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e->e_flags &= ~EF_SENDRECEIPT;
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|
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/*
|
|
** Arrange to send error messages if there are fatal errors.
|
|
*/
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|
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if ((failure_return || delay_return) && e->e_errormode != EM_QUIET)
|
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{
|
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if (tTd(50, 8))
|
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sm_dprintf("dropenvelope(%s): saving mail\n", id);
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panic = savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags));
|
|
}
|
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|
|
/*
|
|
** Arrange to send warning messages to postmaster as requested.
|
|
*/
|
|
|
|
if ((failure_return || pmnotify) &&
|
|
PostMasterCopy != NULL &&
|
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!bitset(EF_RESPONSE, e->e_flags) &&
|
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e->e_class >= 0)
|
|
{
|
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auto ADDRESS *rlist = NULL;
|
|
char pcopy[MAXNAME];
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|
|
if (failure_return)
|
|
{
|
|
expand(PostMasterCopy, pcopy, sizeof pcopy, e);
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|
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if (tTd(50, 8))
|
|
sm_dprintf("dropenvelope(%s): sending postmaster copy to %s\n",
|
|
id, pcopy);
|
|
(void) sendtolist(pcopy, NULLADDR, &rlist, 0, e);
|
|
}
|
|
if (pmnotify)
|
|
(void) sendtolist("postmaster", NULLADDR,
|
|
&rlist, 0, e);
|
|
(void) returntosender(e->e_message, rlist,
|
|
RTSF_PM_BOUNCE|RTSF_NO_BODY, e);
|
|
}
|
|
|
|
/*
|
|
** Instantiate or deinstantiate the queue.
|
|
*/
|
|
|
|
simpledrop:
|
|
if (tTd(50, 8))
|
|
sm_dprintf("dropenvelope(%s): at simpledrop, queueit=%d\n",
|
|
id, queueit);
|
|
if (!queueit || bitset(EF_CLRQUEUE, e->e_flags))
|
|
{
|
|
if (tTd(50, 1))
|
|
{
|
|
sm_dprintf("\n===== Dropping queue files for %s... queueit=%d, e_flags=",
|
|
e->e_id, queueit);
|
|
printenvflags(e);
|
|
}
|
|
if (!panic)
|
|
(void) xunlink(queuename(e, DATAFL_LETTER));
|
|
#if _FFR_QUARANTINE
|
|
if (panic && QueueMode == QM_LOST)
|
|
{
|
|
/*
|
|
** leave the Qf file behind as
|
|
** the delivery attempt failed.
|
|
*/
|
|
|
|
/* EMPTY */
|
|
}
|
|
else
|
|
#endif /* _FFR_QUARANTINE */
|
|
if (xunlink(queuename(e, ANYQFL_LETTER)) == 0)
|
|
{
|
|
/* add to available space in filesystem */
|
|
updfs(e, true, !panic);
|
|
}
|
|
|
|
if (e->e_ntries > 0 && LogLevel > 9)
|
|
sm_syslog(LOG_INFO, id, "done; delay=%s, ntries=%d",
|
|
pintvl(curtime() - e->e_ctime, true),
|
|
e->e_ntries);
|
|
}
|
|
else if (queueit || !bitset(EF_INQUEUE, e->e_flags))
|
|
{
|
|
if (!split)
|
|
queueup(e, false, true);
|
|
else
|
|
{
|
|
ENVELOPE *oldsib;
|
|
ENVELOPE *ee;
|
|
|
|
/*
|
|
** Save old sibling and set it to NULL to avoid
|
|
** queueing up the same envelopes again.
|
|
** This requires that envelopes in that list have
|
|
** been take care of before (or at some other place).
|
|
*/
|
|
|
|
oldsib = e->e_sibling;
|
|
e->e_sibling = NULL;
|
|
if (!split_by_recipient(e) &&
|
|
bitset(EF_FATALERRS, e->e_flags))
|
|
{
|
|
syserr("!dropenvelope(%s): cannot commit data file %s, uid=%d",
|
|
e->e_id, queuename(e, DATAFL_LETTER),
|
|
(int) geteuid());
|
|
}
|
|
for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling)
|
|
queueup(ee, false, true);
|
|
queueup(e, false, true);
|
|
|
|
/* clean up */
|
|
for (ee = e->e_sibling; ee != NULL; ee = ee->e_sibling)
|
|
{
|
|
/* now unlock the job */
|
|
if (tTd(50, 8))
|
|
sm_dprintf("dropenvelope(%s): unlocking job\n",
|
|
ee->e_id);
|
|
closexscript(ee);
|
|
unlockqueue(ee);
|
|
|
|
/* this envelope is marked unused */
|
|
if (ee->e_dfp != NULL)
|
|
{
|
|
(void) sm_io_close(ee->e_dfp,
|
|
SM_TIME_DEFAULT);
|
|
ee->e_dfp = NULL;
|
|
}
|
|
ee->e_id = NULL;
|
|
ee->e_flags &= ~EF_HAS_DF;
|
|
}
|
|
e->e_sibling = oldsib;
|
|
}
|
|
}
|
|
|
|
/* now unlock the job */
|
|
if (tTd(50, 8))
|
|
sm_dprintf("dropenvelope(%s): unlocking job\n", id);
|
|
closexscript(e);
|
|
unlockqueue(e);
|
|
|
|
/* make sure that this envelope is marked unused */
|
|
if (e->e_dfp != NULL)
|
|
{
|
|
(void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT);
|
|
e->e_dfp = NULL;
|
|
}
|
|
e->e_id = NULL;
|
|
e->e_flags &= ~EF_HAS_DF;
|
|
}
|
|
/*
|
|
** CLEARENVELOPE -- clear an envelope without unlocking
|
|
**
|
|
** This is normally used by a child process to get a clean
|
|
** envelope without disturbing the parent.
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope to clear.
|
|
** fullclear - if set, the current envelope is total
|
|
** garbage and should be ignored; otherwise,
|
|
** release any resources it may indicate.
|
|
** rpool -- either NULL, or a pointer to a resource pool
|
|
** from which envelope memory is allocated, and
|
|
** to which envelope resources are attached.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
**
|
|
** Side Effects:
|
|
** Closes files associated with the envelope.
|
|
** Marks the envelope as unallocated.
|
|
*/
|
|
|
|
void
|
|
clearenvelope(e, fullclear, rpool)
|
|
register ENVELOPE *e;
|
|
bool fullclear;
|
|
SM_RPOOL_T *rpool;
|
|
{
|
|
register HDR *bh;
|
|
register HDR **nhp;
|
|
extern ENVELOPE BlankEnvelope;
|
|
char **p;
|
|
|
|
if (!fullclear)
|
|
{
|
|
/* clear out any file information */
|
|
if (e->e_xfp != NULL)
|
|
(void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT);
|
|
if (e->e_dfp != NULL)
|
|
(void) sm_io_close(e->e_dfp, SM_TIME_DEFAULT);
|
|
e->e_xfp = e->e_dfp = NULL;
|
|
}
|
|
|
|
/*
|
|
** Copy BlankEnvelope into *e.
|
|
** It is not safe to simply copy pointers to strings;
|
|
** the strings themselves must be copied (or set to NULL).
|
|
** The problem is that when we assign a new string value to
|
|
** a member of BlankEnvelope, we free the old string.
|
|
** We did not need to do this copying in sendmail 8.11 :-(
|
|
** and it is a potential performance hit. Reference counted
|
|
** strings are one way out.
|
|
*/
|
|
|
|
*e = BlankEnvelope;
|
|
e->e_message = NULL;
|
|
#if _FFR_QUARANTINE
|
|
e->e_qfletter = '\0';
|
|
e->e_quarmsg = NULL;
|
|
macdefine(&e->e_macro, A_PERM, macid("{quarantine}"), "");
|
|
#endif /* _FFR_QUARANTINE */
|
|
|
|
/*
|
|
** Copy the macro table.
|
|
** We might be able to avoid this by zeroing the macro table
|
|
** and always searching BlankEnvelope.e_macro after e->e_macro
|
|
** in macvalue().
|
|
*/
|
|
|
|
for (p = &e->e_macro.mac_table[0];
|
|
p <= &e->e_macro.mac_table[MAXMACROID];
|
|
++p)
|
|
{
|
|
if (*p != NULL)
|
|
*p = sm_rpool_strdup_x(rpool, *p);
|
|
}
|
|
|
|
/*
|
|
** XXX There are many strings in the envelope structure
|
|
** XXX that we are not attempting to copy here.
|
|
** XXX Investigate this further.
|
|
*/
|
|
|
|
e->e_rpool = rpool;
|
|
e->e_macro.mac_rpool = rpool;
|
|
if (Verbose)
|
|
set_delivery_mode(SM_DELIVER, e);
|
|
bh = BlankEnvelope.e_header;
|
|
nhp = &e->e_header;
|
|
while (bh != NULL)
|
|
{
|
|
*nhp = (HDR *) sm_rpool_malloc_x(rpool, sizeof *bh);
|
|
memmove((char *) *nhp, (char *) bh, sizeof *bh);
|
|
bh = bh->h_link;
|
|
nhp = &(*nhp)->h_link;
|
|
}
|
|
}
|
|
/*
|
|
** INITSYS -- initialize instantiation of system
|
|
**
|
|
** In Daemon mode, this is done in the child.
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope to use.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
**
|
|
** Side Effects:
|
|
** Initializes the system macros, some global variables,
|
|
** etc. In particular, the current time in various
|
|
** forms is set.
|
|
*/
|
|
|
|
void
|
|
initsys(e)
|
|
register ENVELOPE *e;
|
|
{
|
|
char buf[10];
|
|
#ifdef TTYNAME
|
|
static char ybuf[60]; /* holds tty id */
|
|
register char *p;
|
|
extern char *ttyname();
|
|
#endif /* TTYNAME */
|
|
|
|
/*
|
|
** Give this envelope a reality.
|
|
** I.e., an id, a transcript, and a creation time.
|
|
** We don't select the queue until all of the recipients are known.
|
|
*/
|
|
|
|
openxscript(e);
|
|
e->e_ctime = curtime();
|
|
#if _FFR_QUARANTINE
|
|
e->e_qfletter = '\0';
|
|
#endif /* _FFR_QUARANTINE */
|
|
#if _FFR_QUEUEDELAY
|
|
e->e_queuealg = QueueAlg;
|
|
e->e_queuedelay = QueueInitDelay;
|
|
#endif /* _FFR_QUEUEDELAY */
|
|
|
|
/*
|
|
** Set OutChannel to something useful if stdout isn't it.
|
|
** This arranges that any extra stuff the mailer produces
|
|
** gets sent back to the user on error (because it is
|
|
** tucked away in the transcript).
|
|
*/
|
|
|
|
if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) &&
|
|
e->e_xfp != NULL)
|
|
OutChannel = e->e_xfp;
|
|
|
|
/*
|
|
** Set up some basic system macros.
|
|
*/
|
|
|
|
/* process id */
|
|
(void) sm_snprintf(buf, sizeof buf, "%d", (int) CurrentPid);
|
|
macdefine(&e->e_macro, A_TEMP, 'p', buf);
|
|
|
|
/* hop count */
|
|
(void) sm_snprintf(buf, sizeof buf, "%d", e->e_hopcount);
|
|
macdefine(&e->e_macro, A_TEMP, 'c', buf);
|
|
|
|
/* time as integer, unix time, arpa time */
|
|
settime(e);
|
|
|
|
/* Load average */
|
|
sm_getla();
|
|
|
|
#ifdef TTYNAME
|
|
/* tty name */
|
|
if (macvalue('y', e) == NULL)
|
|
{
|
|
p = ttyname(2);
|
|
if (p != NULL)
|
|
{
|
|
if (strrchr(p, '/') != NULL)
|
|
p = strrchr(p, '/') + 1;
|
|
(void) sm_strlcpy(ybuf, sizeof ybuf, p);
|
|
macdefine(&e->e_macro, A_PERM, 'y', ybuf);
|
|
}
|
|
}
|
|
#endif /* TTYNAME */
|
|
}
|
|
/*
|
|
** SETTIME -- set the current time.
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope in which the macros should be set.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
**
|
|
** Side Effects:
|
|
** Sets the various time macros -- $a, $b, $d, $t.
|
|
*/
|
|
|
|
void
|
|
settime(e)
|
|
register ENVELOPE *e;
|
|
{
|
|
register char *p;
|
|
auto time_t now;
|
|
char buf[30];
|
|
register struct tm *tm;
|
|
|
|
now = curtime();
|
|
tm = gmtime(&now);
|
|
(void) sm_snprintf(buf, sizeof buf, "%04d%02d%02d%02d%02d",
|
|
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
|
tm->tm_hour, tm->tm_min);
|
|
macdefine(&e->e_macro, A_TEMP, 't', buf);
|
|
(void) sm_strlcpy(buf, ctime(&now), sizeof buf);
|
|
p = strchr(buf, '\n');
|
|
if (p != NULL)
|
|
*p = '\0';
|
|
macdefine(&e->e_macro, A_TEMP, 'd', buf);
|
|
macdefine(&e->e_macro, A_TEMP, 'b', arpadate(buf));
|
|
if (macvalue('a', e) == NULL)
|
|
macdefine(&e->e_macro, A_PERM, 'a', macvalue('b', e));
|
|
}
|
|
/*
|
|
** OPENXSCRIPT -- Open transcript file
|
|
**
|
|
** Creates a transcript file for possible eventual mailing or
|
|
** sending back.
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope to create the transcript in/for.
|
|
**
|
|
** Returns:
|
|
** none
|
|
**
|
|
** Side Effects:
|
|
** Creates the transcript file.
|
|
*/
|
|
|
|
#ifndef O_APPEND
|
|
# define O_APPEND 0
|
|
#endif /* ! O_APPEND */
|
|
|
|
void
|
|
openxscript(e)
|
|
register ENVELOPE *e;
|
|
{
|
|
register char *p;
|
|
|
|
if (e->e_xfp != NULL)
|
|
return;
|
|
|
|
#if 0
|
|
if (e->e_lockfp == NULL && bitset(EF_INQUEUE, e->e_flags))
|
|
syserr("openxscript: job not locked");
|
|
#endif /* 0 */
|
|
|
|
p = queuename(e, XSCRPT_LETTER);
|
|
e->e_xfp = bfopen(p, FileMode, XscriptFileBufferSize,
|
|
SFF_NOTEXCL|SFF_OPENASROOT);
|
|
|
|
if (e->e_xfp == NULL)
|
|
{
|
|
syserr("Can't create transcript file %s", p);
|
|
e->e_xfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT,
|
|
SM_PATH_DEVNULL, SM_IO_RDWR, NULL);
|
|
if (e->e_xfp == NULL)
|
|
syserr("!Can't open %s", SM_PATH_DEVNULL);
|
|
}
|
|
(void) sm_io_setvbuf(e->e_xfp, SM_TIME_DEFAULT, NULL, SM_IO_LBF, 0);
|
|
if (tTd(46, 9))
|
|
{
|
|
sm_dprintf("openxscript(%s):\n ", p);
|
|
dumpfd(sm_io_getinfo(e->e_xfp, SM_IO_WHAT_FD, NULL), true,
|
|
false);
|
|
}
|
|
}
|
|
/*
|
|
** CLOSEXSCRIPT -- close the transcript file.
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope containing the transcript to close.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
**
|
|
** Side Effects:
|
|
** none.
|
|
*/
|
|
|
|
void
|
|
closexscript(e)
|
|
register ENVELOPE *e;
|
|
{
|
|
if (e->e_xfp == NULL)
|
|
return;
|
|
#if 0
|
|
if (e->e_lockfp == NULL)
|
|
syserr("closexscript: job not locked");
|
|
#endif /* 0 */
|
|
(void) sm_io_close(e->e_xfp, SM_TIME_DEFAULT);
|
|
e->e_xfp = NULL;
|
|
}
|
|
/*
|
|
** SETSENDER -- set the person who this message is from
|
|
**
|
|
** Under certain circumstances allow the user to say who
|
|
** s/he is (using -f or -r). These are:
|
|
** 1. The user's uid is zero (root).
|
|
** 2. The user's login name is in an approved list (typically
|
|
** from a network server).
|
|
** 3. The address the user is trying to claim has a
|
|
** "!" character in it (since #2 doesn't do it for
|
|
** us if we are dialing out for UUCP).
|
|
** A better check to replace #3 would be if the
|
|
** effective uid is "UUCP" -- this would require me
|
|
** to rewrite getpwent to "grab" uucp as it went by,
|
|
** make getname more nasty, do another passwd file
|
|
** scan, or compile the UID of "UUCP" into the code,
|
|
** all of which are reprehensible.
|
|
**
|
|
** Assuming all of these fail, we figure out something
|
|
** ourselves.
|
|
**
|
|
** Parameters:
|
|
** from -- the person we would like to believe this message
|
|
** is from, as specified on the command line.
|
|
** e -- the envelope in which we would like the sender set.
|
|
** delimptr -- if non-NULL, set to the location of the
|
|
** trailing delimiter.
|
|
** delimchar -- the character that will delimit the sender
|
|
** address.
|
|
** internal -- set if this address is coming from an internal
|
|
** source such as an owner alias.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
**
|
|
** Side Effects:
|
|
** sets sendmail's notion of who the from person is.
|
|
*/
|
|
|
|
void
|
|
setsender(from, e, delimptr, delimchar, internal)
|
|
char *from;
|
|
register ENVELOPE *e;
|
|
char **delimptr;
|
|
int delimchar;
|
|
bool internal;
|
|
{
|
|
register char **pvp;
|
|
char *realname = NULL;
|
|
char *bp;
|
|
char buf[MAXNAME + 2];
|
|
char pvpbuf[PSBUFSIZE];
|
|
extern char *FullName;
|
|
|
|
if (tTd(45, 1))
|
|
sm_dprintf("setsender(%s)\n", from == NULL ? "" : from);
|
|
|
|
/* may be set from earlier calls */
|
|
macdefine(&e->e_macro, A_PERM, 'x', "");
|
|
|
|
/*
|
|
** Figure out the real user executing us.
|
|
** Username can return errno != 0 on non-errors.
|
|
*/
|
|
|
|
if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP ||
|
|
OpMode == MD_ARPAFTP || OpMode == MD_DAEMON)
|
|
realname = from;
|
|
if (realname == NULL || realname[0] == '\0')
|
|
realname = username();
|
|
|
|
if (ConfigLevel < 2)
|
|
SuprErrs = true;
|
|
|
|
macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s");
|
|
|
|
/* preset state for then clause in case from == NULL */
|
|
e->e_from.q_state = QS_BADADDR;
|
|
e->e_from.q_flags = 0;
|
|
if (from == NULL ||
|
|
parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR,
|
|
delimchar, delimptr, e, false) == NULL ||
|
|
QS_IS_BADADDR(e->e_from.q_state) ||
|
|
e->e_from.q_mailer == ProgMailer ||
|
|
e->e_from.q_mailer == FileMailer ||
|
|
e->e_from.q_mailer == InclMailer)
|
|
{
|
|
/* log garbage addresses for traceback */
|
|
if (from != NULL && LogLevel > 2)
|
|
{
|
|
char *p;
|
|
char ebuf[MAXNAME * 2 + 2];
|
|
|
|
p = macvalue('_', e);
|
|
if (p == NULL)
|
|
{
|
|
char *host = RealHostName;
|
|
|
|
if (host == NULL)
|
|
host = MyHostName;
|
|
(void) sm_snprintf(ebuf, sizeof ebuf,
|
|
"%.*s@%.*s", MAXNAME,
|
|
realname, MAXNAME, host);
|
|
p = ebuf;
|
|
}
|
|
sm_syslog(LOG_NOTICE, e->e_id,
|
|
"setsender: %s: invalid or unparsable, received from %s",
|
|
shortenstring(from, 83), p);
|
|
}
|
|
if (from != NULL)
|
|
{
|
|
if (!QS_IS_BADADDR(e->e_from.q_state))
|
|
{
|
|
/* it was a bogus mailer in the from addr */
|
|
e->e_status = "5.1.7";
|
|
usrerrenh(e->e_status,
|
|
"553 Invalid sender address");
|
|
}
|
|
SuprErrs = true;
|
|
}
|
|
if (from == realname ||
|
|
parseaddr(from = realname,
|
|
&e->e_from, RF_COPYALL|RF_SENDERADDR, ' ',
|
|
NULL, e, false) == NULL)
|
|
{
|
|
char nbuf[100];
|
|
|
|
SuprErrs = true;
|
|
expand("\201n", nbuf, sizeof nbuf, e);
|
|
from = sm_rpool_strdup_x(e->e_rpool, nbuf);
|
|
if (parseaddr(from, &e->e_from, RF_COPYALL, ' ',
|
|
NULL, e, false) == NULL &&
|
|
parseaddr(from = "postmaster", &e->e_from,
|
|
RF_COPYALL, ' ', NULL, e, false) == NULL)
|
|
syserr("553 5.3.0 setsender: can't even parse postmaster!");
|
|
}
|
|
}
|
|
else
|
|
FromFlag = true;
|
|
e->e_from.q_state = QS_SENDER;
|
|
if (tTd(45, 5))
|
|
{
|
|
sm_dprintf("setsender: QS_SENDER ");
|
|
printaddr(&e->e_from, false);
|
|
}
|
|
SuprErrs = false;
|
|
|
|
#if USERDB
|
|
if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags))
|
|
{
|
|
register char *p;
|
|
|
|
p = udbsender(e->e_from.q_user, e->e_rpool);
|
|
if (p != NULL)
|
|
from = p;
|
|
}
|
|
#endif /* USERDB */
|
|
|
|
if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags))
|
|
{
|
|
SM_MBDB_T user;
|
|
|
|
if (!internal)
|
|
{
|
|
/* if the user already given fullname don't redefine */
|
|
if (FullName == NULL)
|
|
FullName = macvalue('x', e);
|
|
if (FullName != NULL)
|
|
{
|
|
if (FullName[0] == '\0')
|
|
FullName = NULL;
|
|
else
|
|
FullName = newstr(FullName);
|
|
}
|
|
}
|
|
|
|
if (e->e_from.q_user[0] != '\0' &&
|
|
sm_mbdb_lookup(e->e_from.q_user, &user) == EX_OK)
|
|
{
|
|
/*
|
|
** Process passwd file entry.
|
|
*/
|
|
|
|
/* extract home directory */
|
|
if (*user.mbdb_homedir == '\0')
|
|
e->e_from.q_home = NULL;
|
|
else if (strcmp(user.mbdb_homedir, "/") == 0)
|
|
e->e_from.q_home = "";
|
|
else
|
|
e->e_from.q_home = sm_rpool_strdup_x(e->e_rpool,
|
|
user.mbdb_homedir);
|
|
macdefine(&e->e_macro, A_PERM, 'z', e->e_from.q_home);
|
|
|
|
/* extract user and group id */
|
|
if (user.mbdb_uid != SM_NO_UID)
|
|
{
|
|
e->e_from.q_uid = user.mbdb_uid;
|
|
e->e_from.q_gid = user.mbdb_gid;
|
|
e->e_from.q_flags |= QGOODUID;
|
|
}
|
|
|
|
/* extract full name from passwd file */
|
|
if (FullName == NULL && !internal &&
|
|
user.mbdb_fullname[0] != '\0' &&
|
|
strcmp(user.mbdb_name, e->e_from.q_user) == 0)
|
|
{
|
|
FullName = newstr(user.mbdb_fullname);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
e->e_from.q_home = NULL;
|
|
}
|
|
if (FullName != NULL && !internal)
|
|
macdefine(&e->e_macro, A_TEMP, 'x', FullName);
|
|
}
|
|
else if (!internal && OpMode != MD_DAEMON && OpMode != MD_SMTP)
|
|
{
|
|
if (e->e_from.q_home == NULL)
|
|
{
|
|
e->e_from.q_home = getenv("HOME");
|
|
if (e->e_from.q_home != NULL)
|
|
{
|
|
if (*e->e_from.q_home == '\0')
|
|
e->e_from.q_home = NULL;
|
|
else if (strcmp(e->e_from.q_home, "/") == 0)
|
|
e->e_from.q_home++;
|
|
}
|
|
}
|
|
e->e_from.q_uid = RealUid;
|
|
e->e_from.q_gid = RealGid;
|
|
e->e_from.q_flags |= QGOODUID;
|
|
}
|
|
|
|
/*
|
|
** Rewrite the from person to dispose of possible implicit
|
|
** links in the net.
|
|
*/
|
|
|
|
pvp = prescan(from, delimchar, pvpbuf, sizeof pvpbuf, NULL, NULL);
|
|
if (pvp == NULL)
|
|
{
|
|
/* don't need to give error -- prescan did that already */
|
|
if (LogLevel > 2)
|
|
sm_syslog(LOG_NOTICE, e->e_id,
|
|
"cannot prescan from (%s)",
|
|
shortenstring(from, MAXSHORTSTR));
|
|
finis(true, true, ExitStat);
|
|
}
|
|
(void) REWRITE(pvp, 3, e);
|
|
(void) REWRITE(pvp, 1, e);
|
|
(void) REWRITE(pvp, 4, e);
|
|
macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL);
|
|
bp = buf + 1;
|
|
cataddr(pvp, NULL, bp, sizeof buf - 2, '\0');
|
|
if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags))
|
|
{
|
|
/* heuristic: route-addr: add angle brackets */
|
|
(void) sm_strlcat(bp, ">", sizeof buf - 1);
|
|
*--bp = '<';
|
|
}
|
|
e->e_sender = sm_rpool_strdup_x(e->e_rpool, bp);
|
|
macdefine(&e->e_macro, A_PERM, 'f', e->e_sender);
|
|
|
|
/* save the domain spec if this mailer wants it */
|
|
if (e->e_from.q_mailer != NULL &&
|
|
bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags))
|
|
{
|
|
char **lastat;
|
|
|
|
/* get rid of any pesky angle brackets */
|
|
macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), "e s");
|
|
(void) REWRITE(pvp, 3, e);
|
|
(void) REWRITE(pvp, 1, e);
|
|
(void) REWRITE(pvp, 4, e);
|
|
macdefine(&e->e_macro, A_PERM, macid("{addr_type}"), NULL);
|
|
|
|
/* strip off to the last "@" sign */
|
|
for (lastat = NULL; *pvp != NULL; pvp++)
|
|
if (strcmp(*pvp, "@") == 0)
|
|
lastat = pvp;
|
|
if (lastat != NULL)
|
|
{
|
|
e->e_fromdomain = copyplist(lastat, true, e->e_rpool);
|
|
if (tTd(45, 3))
|
|
{
|
|
sm_dprintf("Saving from domain: ");
|
|
printav(e->e_fromdomain);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
** PRINTENVFLAGS -- print envelope flags for debugging
|
|
**
|
|
** Parameters:
|
|
** e -- the envelope with the flags to be printed.
|
|
**
|
|
** Returns:
|
|
** none.
|
|
*/
|
|
|
|
struct eflags
|
|
{
|
|
char *ef_name;
|
|
unsigned long ef_bit;
|
|
};
|
|
|
|
static struct eflags EnvelopeFlags[] =
|
|
{
|
|
{ "OLDSTYLE", EF_OLDSTYLE },
|
|
{ "INQUEUE", EF_INQUEUE },
|
|
{ "NO_BODY_RETN", EF_NO_BODY_RETN },
|
|
{ "CLRQUEUE", EF_CLRQUEUE },
|
|
{ "SENDRECEIPT", EF_SENDRECEIPT },
|
|
{ "FATALERRS", EF_FATALERRS },
|
|
{ "DELETE_BCC", EF_DELETE_BCC },
|
|
{ "RESPONSE", EF_RESPONSE },
|
|
{ "RESENT", EF_RESENT },
|
|
{ "VRFYONLY", EF_VRFYONLY },
|
|
{ "WARNING", EF_WARNING },
|
|
{ "QUEUERUN", EF_QUEUERUN },
|
|
{ "GLOBALERRS", EF_GLOBALERRS },
|
|
{ "PM_NOTIFY", EF_PM_NOTIFY },
|
|
{ "METOO", EF_METOO },
|
|
{ "LOGSENDER", EF_LOGSENDER },
|
|
{ "NORECEIPT", EF_NORECEIPT },
|
|
{ "HAS8BIT", EF_HAS8BIT },
|
|
{ "NL_NOT_EOL", EF_NL_NOT_EOL },
|
|
{ "CRLF_NOT_EOL", EF_CRLF_NOT_EOL },
|
|
{ "RET_PARAM", EF_RET_PARAM },
|
|
{ "HAS_DF", EF_HAS_DF },
|
|
{ "IS_MIME", EF_IS_MIME },
|
|
{ "DONT_MIME", EF_DONT_MIME },
|
|
{ "DISCARD", EF_DISCARD },
|
|
{ "TOOBIG", EF_TOOBIG },
|
|
{ "SPLIT", EF_SPLIT },
|
|
{ "UNSAFE", EF_UNSAFE },
|
|
{ NULL, 0 }
|
|
};
|
|
|
|
void
|
|
printenvflags(e)
|
|
register ENVELOPE *e;
|
|
{
|
|
register struct eflags *ef;
|
|
bool first = true;
|
|
|
|
(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "%lx", e->e_flags);
|
|
for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++)
|
|
{
|
|
if (!bitset(ef->ef_bit, e->e_flags))
|
|
continue;
|
|
if (first)
|
|
(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "<%s",
|
|
ef->ef_name);
|
|
else
|
|
(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, ",%s",
|
|
ef->ef_name);
|
|
first = false;
|
|
}
|
|
if (!first)
|
|
(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, ">\n");
|
|
}
|