960 lines
23 KiB
C
960 lines
23 KiB
C
/*
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* Copyright (c) 1983, 1995-1997 Eric P. Allman
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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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)envelope.c 8.105 (Berkeley) 6/24/97";
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#endif /* not lint */
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#include "sendmail.h"
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/*
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** NEWENVELOPE -- allocate 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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**
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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)
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register ENVELOPE *e;
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register ENVELOPE *parent;
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{
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if (e == parent && e->e_parent != NULL)
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parent = e->e_parent;
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clearenvelope(e, TRUE);
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if (e == CurEnv)
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bcopy((char *) &NullAddress, (char *) &e->e_from, sizeof e->e_from);
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else
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bcopy((char *) &CurEnv->e_from, (char *) &e->e_from, sizeof e->e_from);
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e->e_parent = parent;
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e->e_ctime = curtime();
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if (parent != NULL)
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e->e_msgpriority = parent->e_msgsize;
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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) fflush(CurEnv->e_xfp);
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return (e);
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}
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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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**
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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)
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register ENVELOPE *e;
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bool fulldrop;
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{
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bool queueit = FALSE;
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bool message_timeout = FALSE;
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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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register ADDRESS *q;
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char *id = e->e_id;
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char buf[MAXLINE];
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if (tTd(50, 1))
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{
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extern void printenvflags();
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printf("dropenvelope %lx: id=", (u_long) e);
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xputs(e->e_id);
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printf(", flags=");
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printenvflags(e);
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if (tTd(50, 10))
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{
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printf("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%x, OpMode=%c, pid=%d",
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e->e_flags, OpMode, getpid());
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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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if (curtime() > e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass])
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message_timeout = TRUE;
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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 (bitset(QQUEUEUP, q->q_flags) &&
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bitset(QDONTSEND, q->q_flags))
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{
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/* I'm not sure how this happens..... */
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if (tTd(50, 2))
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{
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printf("Bogus flags: ");
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printaddr(q, FALSE);
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}
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q->q_flags &= ~QDONTSEND;
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}
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if (!bitset(QBADADDR|QDONTSEND|QSENT, q->q_flags))
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queueit = TRUE;
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#if XDEBUG
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else if (bitset(QQUEUEUP, q->q_flags))
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sm_syslog(LOG_DEBUG, e->e_id,
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"dropenvelope: q_flags = %x, paddr = %s",
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q->q_flags, q->q_paddr);
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#endif
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/* see if a notification is needed */
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if (bitset(QPINGONFAILURE, q->q_flags) &&
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((message_timeout && bitset(QQUEUEUP, q->q_flags)) ||
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bitset(QBADADDR, q->q_flags)))
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{
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failure_return = TRUE;
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if (q->q_owner == NULL && !emptyaddr(&e->e_from))
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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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}
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else if (bitset(QPINGONSUCCESS, q->q_flags) &&
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((bitset(QSENT, q->q_flags) &&
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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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{
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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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/* nothing to do */ ;
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else if (message_timeout)
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{
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if (failure_return)
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{
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(void) snprintf(buf, sizeof buf,
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"Cannot send message within %s",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE));
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if (e->e_message != NULL)
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free(e->e_message);
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e->e_message = newstr(buf);
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message(buf);
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e->e_flags |= EF_CLRQUEUE;
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}
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fprintf(e->e_xfp, "Message could not be delivered for %s\n",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE));
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fprintf(e->e_xfp, "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 (!bitset(QBADADDR|QDONTSEND|QSENT, q->q_flags))
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{
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q->q_flags |= QBADADDR;
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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 if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 &&
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curtime() > e->e_ctime + TimeOuts.to_q_warning[e->e_timeoutclass])
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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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strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 &&
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(strlen(e->e_from.q_paddr) <= (SIZE_T) 8 ||
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strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8], "-request") != 0))
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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 (bitset(QQUEUEUP, q->q_flags) &&
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bitset(QPINGONDELAY, 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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if (delay_return)
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{
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(void) 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], FALSE));
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if (e->e_message != NULL)
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free(e->e_message);
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e->e_message = newstr(buf);
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message(buf);
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e->e_flags |= EF_WARNING;
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}
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fprintf(e->e_xfp,
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"Warning: message still undelivered after %s\n",
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pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], FALSE));
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fprintf(e->e_xfp, "Will keep trying until message is %s old\n",
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pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE));
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}
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if (tTd(50, 2))
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printf("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 (!bitset(QDONTSEND, q->q_flags) &&
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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_flags |= QBADADDR;
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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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printf("dropenvelope(%s): sending return receipt\n", 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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extern void savemail __P((ENVELOPE *, bool));
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if (tTd(50, 8))
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printf("dropenvelope(%s): saving mail\n", id);
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savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags));
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}
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/*
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** Arrange to send warning messages to postmaster as requested.
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*/
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if ((failure_return || bitset(EF_PM_NOTIFY, e->e_flags)) &&
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PostMasterCopy != NULL &&
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!bitset(EF_RESPONSE, e->e_flags) && e->e_class >= 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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printf("dropenvelope(%s): sending postmaster copy\n", id);
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(void) sendtolist(PostMasterCopy, NULLADDR, &rlist, 0, e);
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(void) returntosender(e->e_message, rlist, RTSF_PM_BOUNCE, e);
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}
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/*
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** Instantiate or deinstantiate the queue.
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*/
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simpledrop:
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if (tTd(50, 8))
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printf("dropenvelope(%s): at simpledrop, queueit=%d\n",
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id, queueit);
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if (!queueit || bitset(EF_CLRQUEUE, e->e_flags))
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{
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if (tTd(50, 1))
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{
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extern void printenvflags();
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printf("\n===== Dropping [dq]f%s... queueit=%d, e_flags=",
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e->e_id, queueit);
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printenvflags(e);
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}
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xunlink(queuename(e, 'd'));
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xunlink(queuename(e, 'q'));
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if (LogLevel > 10)
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sm_syslog(LOG_INFO, id, "done");
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}
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else if (queueit || !bitset(EF_INQUEUE, e->e_flags))
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{
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#if QUEUE
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queueup(e, FALSE);
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#else /* QUEUE */
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syserr("554 dropenvelope: queueup");
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#endif /* QUEUE */
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}
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/* now unlock the job */
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if (tTd(50, 8))
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printf("dropenvelope(%s): unlocking job\n", id);
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closexscript(e);
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unlockqueue(e);
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/* make sure that this envelope is marked unused */
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if (e->e_dfp != NULL)
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(void) xfclose(e->e_dfp, "dropenvelope df", e->e_id);
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e->e_dfp = NULL;
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e->e_id = NULL;
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e->e_flags &= ~EF_HAS_DF;
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}
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/*
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** CLEARENVELOPE -- clear an envelope without unlocking
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**
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** This is normally used by a child process to get a clean
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** envelope without disturbing the parent.
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**
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** Parameters:
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** e -- the envelope to clear.
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** fullclear - if set, the current envelope is total
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** garbage and should be ignored; otherwise,
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** release any resources it may indicate.
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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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** Closes files associated with the envelope.
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** Marks the envelope as unallocated.
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*/
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void
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clearenvelope(e, fullclear)
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register ENVELOPE *e;
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bool fullclear;
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{
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register HDR *bh;
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register HDR **nhp;
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extern ENVELOPE BlankEnvelope;
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if (!fullclear)
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{
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/* clear out any file information */
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if (e->e_xfp != NULL)
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(void) xfclose(e->e_xfp, "clearenvelope xfp", e->e_id);
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if (e->e_dfp != NULL)
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(void) xfclose(e->e_dfp, "clearenvelope dfp", e->e_id);
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e->e_xfp = e->e_dfp = NULL;
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}
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/* now clear out the data */
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STRUCTCOPY(BlankEnvelope, *e);
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if (Verbose)
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e->e_sendmode = SM_DELIVER;
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bh = BlankEnvelope.e_header;
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nhp = &e->e_header;
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while (bh != NULL)
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{
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*nhp = (HDR *) xalloc(sizeof *bh);
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bcopy((char *) bh, (char *) *nhp, sizeof *bh);
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bh = bh->h_link;
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nhp = &(*nhp)->h_link;
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}
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}
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/*
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** INITSYS -- initialize instantiation of system
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**
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** In Daemon mode, this is done in the child.
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**
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** Parameters:
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** none.
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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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** Initializes the system macros, some global variables,
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** etc. In particular, the current time in various
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** forms is set.
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*/
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void
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initsys(e)
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register ENVELOPE *e;
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{
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char cbuf[5]; /* holds hop count */
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char pbuf[10]; /* holds pid */
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#ifdef TTYNAME
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static char ybuf[60]; /* holds tty id */
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register char *p;
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#endif /* TTYNAME */
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extern char *ttyname();
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extern void settime();
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/*
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** Give this envelope a reality.
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** I.e., an id, a transcript, and a creation time.
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*/
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openxscript(e);
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e->e_ctime = curtime();
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/*
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** Set OutChannel to something useful if stdout isn't it.
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** This arranges that any extra stuff the mailer produces
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** gets sent back to the user on error (because it is
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** tucked away in the transcript).
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*/
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if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) &&
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e->e_xfp != NULL)
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OutChannel = e->e_xfp;
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/*
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** Set up some basic system macros.
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*/
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/* process id */
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(void) snprintf(pbuf, sizeof pbuf, "%d", getpid());
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define('p', newstr(pbuf), e);
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/* hop count */
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(void) snprintf(cbuf, sizeof cbuf, "%d", e->e_hopcount);
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define('c', newstr(cbuf), e);
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/* time as integer, unix time, arpa time */
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settime(e);
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#ifdef TTYNAME
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/* tty name */
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if (macvalue('y', e) == NULL)
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{
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p = ttyname(2);
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if (p != NULL)
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{
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if (strrchr(p, '/') != NULL)
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p = strrchr(p, '/') + 1;
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snprintf(ybuf, sizeof ybuf, "%s", p);
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define('y', ybuf, e);
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}
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}
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#endif /* TTYNAME */
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}
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/*
|
||
** SETTIME -- set the current time.
|
||
**
|
||
** Parameters:
|
||
** none.
|
||
**
|
||
** 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 tbuf[20]; /* holds "current" time */
|
||
char dbuf[30]; /* holds ctime(tbuf) */
|
||
register struct tm *tm;
|
||
extern struct tm *gmtime();
|
||
|
||
now = curtime();
|
||
tm = gmtime(&now);
|
||
(void) snprintf(tbuf, sizeof tbuf, "%04d%02d%02d%02d%02d", tm->tm_year + 1900,
|
||
tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min);
|
||
define('t', newstr(tbuf), e);
|
||
(void) strcpy(dbuf, ctime(&now));
|
||
p = strchr(dbuf, '\n');
|
||
if (p != NULL)
|
||
*p = '\0';
|
||
define('d', newstr(dbuf), e);
|
||
p = arpadate(dbuf);
|
||
p = newstr(p);
|
||
if (macvalue('a', e) == NULL)
|
||
define('a', p, e);
|
||
define('b', p, 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
|
||
|
||
void
|
||
openxscript(e)
|
||
register ENVELOPE *e;
|
||
{
|
||
register char *p;
|
||
int fd;
|
||
|
||
if (e->e_xfp != NULL)
|
||
return;
|
||
p = queuename(e, 'x');
|
||
fd = open(p, O_WRONLY|O_CREAT|O_APPEND, FileMode);
|
||
if (fd < 0)
|
||
{
|
||
syserr("Can't create transcript file %s", p);
|
||
fd = open("/dev/null", O_WRONLY, 0644);
|
||
if (fd < 0)
|
||
syserr("!Can't open /dev/null");
|
||
}
|
||
e->e_xfp = fdopen(fd, "a");
|
||
if (e->e_xfp == NULL)
|
||
syserr("!Can't create transcript stream %s", p);
|
||
#ifdef HASSETVBUF
|
||
setvbuf(e->e_xfp, NULL, _IOLBF, 0);
|
||
#else
|
||
setlinebuf(e->e_xfp);
|
||
#endif
|
||
if (tTd(46, 9))
|
||
{
|
||
printf("openxscript(%s):\n ", p);
|
||
dumpfd(fileno(e->e_xfp), 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;
|
||
(void) xfclose(e->e_xfp, "closexscript", e->e_id);
|
||
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;
|
||
register struct passwd *pw;
|
||
char *bp;
|
||
char buf[MAXNAME + 2];
|
||
char pvpbuf[PSBUFSIZE];
|
||
extern char *FullName;
|
||
|
||
if (tTd(45, 1))
|
||
printf("setsender(%s)\n", from == NULL ? "" : from);
|
||
|
||
/*
|
||
** 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;
|
||
|
||
e->e_from.q_flags = QBADADDR;
|
||
if (from == NULL ||
|
||
parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR,
|
||
delimchar, delimptr, e) == NULL ||
|
||
bitset(QBADADDR, e->e_from.q_flags) ||
|
||
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) snprintf(ebuf, sizeof ebuf, "%.*s@%.*s",
|
||
MAXNAME, realname,
|
||
MAXNAME, host);
|
||
p = ebuf;
|
||
}
|
||
sm_syslog(LOG_NOTICE, e->e_id,
|
||
"setsender: %s: invalid or unparseable, received from %s",
|
||
shortenstring(from, 83), p);
|
||
}
|
||
if (from != NULL)
|
||
{
|
||
if (!bitset(QBADADDR, e->e_from.q_flags))
|
||
{
|
||
/* it was a bogus mailer in the from addr */
|
||
e->e_status = "5.1.7";
|
||
usrerr("553 Invalid sender address");
|
||
}
|
||
SuprErrs = TRUE;
|
||
}
|
||
if (from == realname ||
|
||
parseaddr(from = newstr(realname), &e->e_from,
|
||
RF_COPYALL|RF_SENDERADDR, ' ', NULL, e) == NULL)
|
||
{
|
||
char nbuf[100];
|
||
|
||
SuprErrs = TRUE;
|
||
expand("\201n", nbuf, sizeof nbuf, e);
|
||
if (parseaddr(from = newstr(nbuf), &e->e_from,
|
||
RF_COPYALL, ' ', NULL, e) == NULL &&
|
||
parseaddr(from = "postmaster", &e->e_from,
|
||
RF_COPYALL, ' ', NULL, e) == NULL)
|
||
syserr("553 setsender: can't even parse postmaster!");
|
||
}
|
||
}
|
||
else
|
||
FromFlag = TRUE;
|
||
e->e_from.q_flags |= QDONTSEND;
|
||
if (tTd(45, 5))
|
||
{
|
||
printf("setsender: QDONTSEND ");
|
||
printaddr(&e->e_from, FALSE);
|
||
}
|
||
SuprErrs = FALSE;
|
||
|
||
# if USERDB
|
||
if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags))
|
||
{
|
||
register char *p;
|
||
extern char *udbsender();
|
||
|
||
p = udbsender(e->e_from.q_user);
|
||
if (p != NULL)
|
||
from = p;
|
||
}
|
||
# endif /* USERDB */
|
||
|
||
if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags))
|
||
{
|
||
if (!internal)
|
||
{
|
||
/* if the user already given fullname don't redefine */
|
||
if (FullName == NULL)
|
||
FullName = macvalue('x', e);
|
||
if (FullName != NULL && FullName[0] == '\0')
|
||
FullName = NULL;
|
||
}
|
||
|
||
if (e->e_from.q_user[0] != '\0' &&
|
||
(pw = sm_getpwnam(e->e_from.q_user)) != NULL)
|
||
{
|
||
/*
|
||
** Process passwd file entry.
|
||
*/
|
||
|
||
/* extract home directory */
|
||
if (strcmp(pw->pw_dir, "/") == 0)
|
||
e->e_from.q_home = newstr("");
|
||
else
|
||
e->e_from.q_home = newstr(pw->pw_dir);
|
||
define('z', e->e_from.q_home, e);
|
||
|
||
/* extract user and group id */
|
||
e->e_from.q_uid = pw->pw_uid;
|
||
e->e_from.q_gid = pw->pw_gid;
|
||
e->e_from.q_flags |= QGOODUID;
|
||
|
||
/* extract full name from passwd file */
|
||
if (FullName == NULL && pw->pw_gecos != NULL &&
|
||
strcmp(pw->pw_name, e->e_from.q_user) == 0 &&
|
||
!internal)
|
||
{
|
||
buildfname(pw->pw_gecos, e->e_from.q_user, buf, sizeof buf);
|
||
if (buf[0] != '\0')
|
||
FullName = newstr(buf);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
e->e_from.q_home = "/no/such/directory";
|
||
}
|
||
if (FullName != NULL && !internal)
|
||
define('x', FullName, e);
|
||
}
|
||
else if (!internal && OpMode != MD_DAEMON)
|
||
{
|
||
if (e->e_from.q_home == NULL)
|
||
{
|
||
e->e_from.q_home = getenv("HOME");
|
||
if (e->e_from.q_home != NULL &&
|
||
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, 203));
|
||
finis();
|
||
}
|
||
(void) rewrite(pvp, 3, 0, e);
|
||
(void) rewrite(pvp, 1, 0, e);
|
||
(void) rewrite(pvp, 4, 0, e);
|
||
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 */
|
||
strcat(bp, ">");
|
||
*--bp = '<';
|
||
}
|
||
e->e_sender = newstr(bp);
|
||
define('f', e->e_sender, e);
|
||
|
||
/* 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;
|
||
extern char **copyplist();
|
||
|
||
/* get rid of any pesky angle brackets */
|
||
(void) rewrite(pvp, 3, 0, e);
|
||
(void) rewrite(pvp, 1, 0, e);
|
||
(void) rewrite(pvp, 4, 0, e);
|
||
|
||
/* 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);
|
||
if (tTd(45, 3))
|
||
{
|
||
printf("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;
|
||
u_long ef_bit;
|
||
};
|
||
|
||
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 },
|
||
{ NULL }
|
||
};
|
||
|
||
void
|
||
printenvflags(e)
|
||
register ENVELOPE *e;
|
||
{
|
||
register struct eflags *ef;
|
||
bool first = TRUE;
|
||
|
||
printf("%lx", e->e_flags);
|
||
for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++)
|
||
{
|
||
if (!bitset(ef->ef_bit, e->e_flags))
|
||
continue;
|
||
if (first)
|
||
printf("<%s", ef->ef_name);
|
||
else
|
||
printf(",%s", ef->ef_name);
|
||
first = FALSE;
|
||
}
|
||
if (!first)
|
||
printf(">\n");
|
||
}
|