envelope.c revision 64562
138032Speter/* 264562Sgshapiro * Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers. 364562Sgshapiro * All rights reserved. 438032Speter * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. 538032Speter * Copyright (c) 1988, 1993 638032Speter * The Regents of the University of California. All rights reserved. 738032Speter * 838032Speter * By using this file, you agree to the terms and conditions set 938032Speter * forth in the LICENSE file which can be found at the top level of 1038032Speter * the sendmail distribution. 1138032Speter * 1238032Speter */ 1338032Speter 1438032Speter#ifndef lint 1564562Sgshapirostatic char id[] = "@(#)$Id: envelope.c,v 8.180.14.3 2000/06/29 05:30:23 gshapiro Exp $"; 1664562Sgshapiro#endif /* ! lint */ 1738032Speter 1864562Sgshapiro#include <sendmail.h> 1938032Speter 2064562Sgshapiro 2138032Speter/* 2238032Speter** NEWENVELOPE -- allocate a new envelope 2338032Speter** 2438032Speter** Supports inheritance. 2538032Speter** 2638032Speter** Parameters: 2738032Speter** e -- the new envelope to fill in. 2838032Speter** parent -- the envelope to be the parent of e. 2938032Speter** 3038032Speter** Returns: 3138032Speter** e. 3238032Speter** 3338032Speter** Side Effects: 3438032Speter** none. 3538032Speter*/ 3638032Speter 3738032SpeterENVELOPE * 3838032Speternewenvelope(e, parent) 3938032Speter register ENVELOPE *e; 4038032Speter register ENVELOPE *parent; 4138032Speter{ 4238032Speter if (e == parent && e->e_parent != NULL) 4338032Speter parent = e->e_parent; 4438032Speter clearenvelope(e, TRUE); 4538032Speter if (e == CurEnv) 4664562Sgshapiro memmove((char *) &e->e_from, 4764562Sgshapiro (char *) &NullAddress, 4864562Sgshapiro sizeof e->e_from); 4938032Speter else 5064562Sgshapiro memmove((char *) &e->e_from, 5164562Sgshapiro (char *) &CurEnv->e_from, 5264562Sgshapiro sizeof e->e_from); 5338032Speter e->e_parent = parent; 5464562Sgshapiro assign_queueid(e); 5538032Speter e->e_ctime = curtime(); 5638032Speter if (parent != NULL) 5738032Speter e->e_msgpriority = parent->e_msgsize; 5838032Speter e->e_puthdr = putheader; 5938032Speter e->e_putbody = putbody; 6038032Speter if (CurEnv->e_xfp != NULL) 6138032Speter (void) fflush(CurEnv->e_xfp); 6238032Speter 6364562Sgshapiro return e; 6438032Speter} 6538032Speter/* 6638032Speter** DROPENVELOPE -- deallocate an envelope. 6738032Speter** 6838032Speter** Parameters: 6938032Speter** e -- the envelope to deallocate. 7038032Speter** fulldrop -- if set, do return receipts. 7138032Speter** 7238032Speter** Returns: 7338032Speter** none. 7438032Speter** 7538032Speter** Side Effects: 7638032Speter** housekeeping necessary to dispose of an envelope. 7738032Speter** Unlocks this queue file. 7838032Speter*/ 7938032Speter 8038032Spetervoid 8138032Speterdropenvelope(e, fulldrop) 8238032Speter register ENVELOPE *e; 8338032Speter bool fulldrop; 8438032Speter{ 8538032Speter bool queueit = FALSE; 8638032Speter bool message_timeout = FALSE; 8738032Speter bool failure_return = FALSE; 8838032Speter bool delay_return = FALSE; 8938032Speter bool success_return = FALSE; 9064562Sgshapiro bool pmnotify = bitset(EF_PM_NOTIFY, e->e_flags); 9164562Sgshapiro bool done = FALSE; 9238032Speter register ADDRESS *q; 9338032Speter char *id = e->e_id; 9438032Speter char buf[MAXLINE]; 9538032Speter 9638032Speter if (tTd(50, 1)) 9738032Speter { 9864562Sgshapiro dprintf("dropenvelope %lx: id=", (u_long) e); 9938032Speter xputs(e->e_id); 10064562Sgshapiro dprintf(", flags="); 10138032Speter printenvflags(e); 10238032Speter if (tTd(50, 10)) 10338032Speter { 10464562Sgshapiro dprintf("sendq="); 10538032Speter printaddr(e->e_sendqueue, TRUE); 10638032Speter } 10738032Speter } 10838032Speter 10938032Speter if (LogLevel > 84) 11038032Speter sm_syslog(LOG_DEBUG, id, 11164562Sgshapiro "dropenvelope, e_flags=0x%lx, OpMode=%c, pid=%d", 11264562Sgshapiro e->e_flags, OpMode, getpid()); 11338032Speter 11438032Speter /* we must have an id to remove disk files */ 11538032Speter if (id == NULL) 11638032Speter return; 11738032Speter 11838032Speter /* if verify-only mode, we can skip most of this */ 11938032Speter if (OpMode == MD_VERIFY) 12038032Speter goto simpledrop; 12138032Speter 12238032Speter if (LogLevel > 4 && bitset(EF_LOGSENDER, e->e_flags)) 12338032Speter logsender(e, NULL); 12438032Speter e->e_flags &= ~EF_LOGSENDER; 12538032Speter 12638032Speter /* post statistics */ 12738032Speter poststats(StatFile); 12838032Speter 12938032Speter /* 13038032Speter ** Extract state information from dregs of send list. 13138032Speter */ 13238032Speter 13338032Speter if (curtime() > e->e_ctime + TimeOuts.to_q_return[e->e_timeoutclass]) 13438032Speter message_timeout = TRUE; 13538032Speter 13664562Sgshapiro if (TimeOuts.to_q_return[e->e_timeoutclass] == NOW && 13764562Sgshapiro !bitset(EF_RESPONSE, e->e_flags)) 13864562Sgshapiro { 13964562Sgshapiro message_timeout = TRUE; 14064562Sgshapiro e->e_flags |= EF_FATALERRS|EF_CLRQUEUE; 14164562Sgshapiro } 14264562Sgshapiro 14338032Speter e->e_flags &= ~EF_QUEUERUN; 14438032Speter for (q = e->e_sendqueue; q != NULL; q = q->q_next) 14538032Speter { 14664562Sgshapiro if (QS_IS_UNDELIVERED(q->q_state)) 14738032Speter queueit = TRUE; 14838032Speter 14938032Speter /* see if a notification is needed */ 15038032Speter if (bitset(QPINGONFAILURE, q->q_flags) && 15164562Sgshapiro ((message_timeout && QS_IS_QUEUEUP(q->q_state)) || 15264562Sgshapiro QS_IS_BADADDR(q->q_state) || 15364562Sgshapiro (TimeOuts.to_q_return[e->e_timeoutclass] == NOW && 15464562Sgshapiro !bitset(EF_RESPONSE, e->e_flags)))) 15564562Sgshapiro 15638032Speter { 15738032Speter failure_return = TRUE; 15864562Sgshapiro if (!done && q->q_owner == NULL && 15964562Sgshapiro !emptyaddr(&e->e_from)) 16064562Sgshapiro { 16138032Speter (void) sendtolist(e->e_from.q_paddr, NULLADDR, 16238032Speter &e->e_errorqueue, 0, e); 16364562Sgshapiro done = TRUE; 16464562Sgshapiro } 16538032Speter } 16638032Speter else if (bitset(QPINGONSUCCESS, q->q_flags) && 16764562Sgshapiro ((QS_IS_SENT(q->q_state) && 16838032Speter bitnset(M_LOCALMAILER, q->q_mailer->m_flags)) || 16938032Speter bitset(QRELAYED|QEXPANDED|QDELIVERED, q->q_flags))) 17038032Speter { 17138032Speter success_return = TRUE; 17238032Speter } 17338032Speter } 17438032Speter 17538032Speter if (e->e_class < 0) 17638032Speter e->e_flags |= EF_NO_BODY_RETN; 17738032Speter 17838032Speter /* 17938032Speter ** See if the message timed out. 18038032Speter */ 18138032Speter 18238032Speter if (!queueit) 18364562Sgshapiro /* EMPTY */ 18438032Speter /* nothing to do */ ; 18538032Speter else if (message_timeout) 18638032Speter { 18738032Speter if (failure_return) 18838032Speter { 18938032Speter (void) snprintf(buf, sizeof buf, 19064562Sgshapiro "Cannot send message for %s", 19164562Sgshapiro pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 19238032Speter if (e->e_message != NULL) 19338032Speter free(e->e_message); 19438032Speter e->e_message = newstr(buf); 19538032Speter message(buf); 19638032Speter e->e_flags |= EF_CLRQUEUE; 19738032Speter } 19838032Speter fprintf(e->e_xfp, "Message could not be delivered for %s\n", 19938032Speter pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 20038032Speter fprintf(e->e_xfp, "Message will be deleted from queue\n"); 20138032Speter for (q = e->e_sendqueue; q != NULL; q = q->q_next) 20238032Speter { 20364562Sgshapiro if (QS_IS_UNDELIVERED(q->q_state)) 20438032Speter { 20564562Sgshapiro q->q_state = QS_BADADDR; 20638032Speter q->q_status = "4.4.7"; 20738032Speter } 20838032Speter } 20938032Speter } 21038032Speter else if (TimeOuts.to_q_warning[e->e_timeoutclass] > 0 && 21138032Speter curtime() > e->e_ctime + TimeOuts.to_q_warning[e->e_timeoutclass]) 21238032Speter { 21338032Speter if (!bitset(EF_WARNING|EF_RESPONSE, e->e_flags) && 21438032Speter e->e_class >= 0 && 21538032Speter e->e_from.q_paddr != NULL && 21638032Speter strcmp(e->e_from.q_paddr, "<>") != 0 && 21738032Speter strncasecmp(e->e_from.q_paddr, "owner-", 6) != 0 && 21838032Speter (strlen(e->e_from.q_paddr) <= (SIZE_T) 8 || 21938032Speter strcasecmp(&e->e_from.q_paddr[strlen(e->e_from.q_paddr) - 8], "-request") != 0)) 22038032Speter { 22138032Speter for (q = e->e_sendqueue; q != NULL; q = q->q_next) 22238032Speter { 22364562Sgshapiro if (QS_IS_QUEUEUP(q->q_state) && 22464562Sgshapiro#if _FFR_NODELAYDSN_ON_HOLD 22564562Sgshapiro !bitnset(M_HOLD, q->q_mailer->m_flags) && 22664562Sgshapiro#endif /* _FFR_NODELAYDSN_ON_HOLD */ 22738032Speter bitset(QPINGONDELAY, q->q_flags)) 22838032Speter { 22938032Speter q->q_flags |= QDELAYED; 23038032Speter delay_return = TRUE; 23138032Speter } 23238032Speter } 23338032Speter } 23438032Speter if (delay_return) 23538032Speter { 23638032Speter (void) snprintf(buf, sizeof buf, 23738032Speter "Warning: could not send message for past %s", 23838032Speter pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], FALSE)); 23938032Speter if (e->e_message != NULL) 24038032Speter free(e->e_message); 24138032Speter e->e_message = newstr(buf); 24238032Speter message(buf); 24338032Speter e->e_flags |= EF_WARNING; 24438032Speter } 24538032Speter fprintf(e->e_xfp, 24638032Speter "Warning: message still undelivered after %s\n", 24738032Speter pintvl(TimeOuts.to_q_warning[e->e_timeoutclass], FALSE)); 24838032Speter fprintf(e->e_xfp, "Will keep trying until message is %s old\n", 24938032Speter pintvl(TimeOuts.to_q_return[e->e_timeoutclass], FALSE)); 25038032Speter } 25138032Speter 25238032Speter if (tTd(50, 2)) 25364562Sgshapiro dprintf("failure_return=%d delay_return=%d success_return=%d queueit=%d\n", 25438032Speter failure_return, delay_return, success_return, queueit); 25538032Speter 25638032Speter /* 25738032Speter ** If we had some fatal error, but no addresses are marked as 25838032Speter ** bad, mark them _all_ as bad. 25938032Speter */ 26038032Speter 26138032Speter if (bitset(EF_FATALERRS, e->e_flags) && !failure_return) 26238032Speter { 26338032Speter for (q = e->e_sendqueue; q != NULL; q = q->q_next) 26438032Speter { 26564562Sgshapiro if ((QS_IS_OK(q->q_state) || 26664562Sgshapiro QS_IS_VERIFIED(q->q_state)) && 26738032Speter bitset(QPINGONFAILURE, q->q_flags)) 26838032Speter { 26938032Speter failure_return = TRUE; 27064562Sgshapiro q->q_state = QS_BADADDR; 27138032Speter } 27238032Speter } 27338032Speter } 27438032Speter 27538032Speter /* 27638032Speter ** Send back return receipts as requested. 27738032Speter */ 27838032Speter 27938032Speter if (success_return && !failure_return && !delay_return && fulldrop && 28038032Speter !bitset(PRIV_NORECEIPTS, PrivacyFlags) && 28138032Speter strcmp(e->e_from.q_paddr, "<>") != 0) 28238032Speter { 28338032Speter auto ADDRESS *rlist = NULL; 28438032Speter 28538032Speter if (tTd(50, 8)) 28664562Sgshapiro dprintf("dropenvelope(%s): sending return receipt\n", 28764562Sgshapiro id); 28838032Speter e->e_flags |= EF_SENDRECEIPT; 28938032Speter (void) sendtolist(e->e_from.q_paddr, NULLADDR, &rlist, 0, e); 29038032Speter (void) returntosender("Return receipt", rlist, RTSF_NO_BODY, e); 29138032Speter } 29238032Speter e->e_flags &= ~EF_SENDRECEIPT; 29338032Speter 29438032Speter /* 29538032Speter ** Arrange to send error messages if there are fatal errors. 29638032Speter */ 29738032Speter 29838032Speter if ((failure_return || delay_return) && e->e_errormode != EM_QUIET) 29938032Speter { 30038032Speter if (tTd(50, 8)) 30164562Sgshapiro dprintf("dropenvelope(%s): saving mail\n", id); 30238032Speter savemail(e, !bitset(EF_NO_BODY_RETN, e->e_flags)); 30338032Speter } 30438032Speter 30538032Speter /* 30638032Speter ** Arrange to send warning messages to postmaster as requested. 30738032Speter */ 30838032Speter 30964562Sgshapiro if ((failure_return || pmnotify) && 31038032Speter PostMasterCopy != NULL && 31164562Sgshapiro !bitset(EF_RESPONSE, e->e_flags) && 31264562Sgshapiro e->e_class >= 0) 31338032Speter { 31438032Speter auto ADDRESS *rlist = NULL; 31564562Sgshapiro char pcopy[MAXNAME]; 31638032Speter 31764562Sgshapiro if (failure_return) 31864562Sgshapiro { 31964562Sgshapiro expand(PostMasterCopy, pcopy, sizeof pcopy, e); 32064562Sgshapiro 32164562Sgshapiro if (tTd(50, 8)) 32264562Sgshapiro dprintf("dropenvelope(%s): sending postmaster copy to %s\n", 32364562Sgshapiro id, pcopy); 32464562Sgshapiro (void) sendtolist(pcopy, NULLADDR, &rlist, 0, e); 32564562Sgshapiro } 32664562Sgshapiro if (pmnotify) 32764562Sgshapiro (void) sendtolist("postmaster", NULLADDR, 32864562Sgshapiro &rlist, 0, e); 32964562Sgshapiro (void) returntosender(e->e_message, rlist, 33064562Sgshapiro RTSF_PM_BOUNCE|RTSF_NO_BODY, e); 33138032Speter } 33238032Speter 33338032Speter /* 33438032Speter ** Instantiate or deinstantiate the queue. 33538032Speter */ 33638032Speter 33738032Spetersimpledrop: 33838032Speter if (tTd(50, 8)) 33964562Sgshapiro dprintf("dropenvelope(%s): at simpledrop, queueit=%d\n", 34038032Speter id, queueit); 34138032Speter if (!queueit || bitset(EF_CLRQUEUE, e->e_flags)) 34238032Speter { 34338032Speter if (tTd(50, 1)) 34438032Speter { 34564562Sgshapiro dprintf("\n===== Dropping [dq]f%s... queueit=%d, e_flags=", 34638032Speter e->e_id, queueit); 34738032Speter printenvflags(e); 34838032Speter } 34938032Speter xunlink(queuename(e, 'd')); 35038032Speter xunlink(queuename(e, 'q')); 35138032Speter 35264562Sgshapiro if (e->e_ntries > 0 && LogLevel > 9) 35364562Sgshapiro sm_syslog(LOG_INFO, id, "done; delay=%s, ntries=%d", 35464562Sgshapiro pintvl(curtime() - e->e_ctime, TRUE), 35564562Sgshapiro e->e_ntries); 35638032Speter } 35738032Speter else if (queueit || !bitset(EF_INQUEUE, e->e_flags)) 35838032Speter { 35938032Speter#if QUEUE 36038032Speter queueup(e, FALSE); 36138032Speter#else /* QUEUE */ 36264562Sgshapiro syserr("554 5.3.0 dropenvelope: queueup"); 36338032Speter#endif /* QUEUE */ 36438032Speter } 36538032Speter 36638032Speter /* now unlock the job */ 36738032Speter if (tTd(50, 8)) 36864562Sgshapiro dprintf("dropenvelope(%s): unlocking job\n", id); 36938032Speter closexscript(e); 37038032Speter unlockqueue(e); 37138032Speter 37238032Speter /* make sure that this envelope is marked unused */ 37338032Speter if (e->e_dfp != NULL) 37464562Sgshapiro (void) bfclose(e->e_dfp); 37538032Speter e->e_dfp = NULL; 37638032Speter e->e_id = NULL; 37738032Speter e->e_flags &= ~EF_HAS_DF; 37838032Speter} 37938032Speter/* 38038032Speter** CLEARENVELOPE -- clear an envelope without unlocking 38138032Speter** 38238032Speter** This is normally used by a child process to get a clean 38338032Speter** envelope without disturbing the parent. 38438032Speter** 38538032Speter** Parameters: 38638032Speter** e -- the envelope to clear. 38738032Speter** fullclear - if set, the current envelope is total 38838032Speter** garbage and should be ignored; otherwise, 38938032Speter** release any resources it may indicate. 39038032Speter** 39138032Speter** Returns: 39238032Speter** none. 39338032Speter** 39438032Speter** Side Effects: 39538032Speter** Closes files associated with the envelope. 39638032Speter** Marks the envelope as unallocated. 39738032Speter*/ 39838032Speter 39938032Spetervoid 40038032Speterclearenvelope(e, fullclear) 40138032Speter register ENVELOPE *e; 40238032Speter bool fullclear; 40338032Speter{ 40438032Speter register HDR *bh; 40538032Speter register HDR **nhp; 40638032Speter extern ENVELOPE BlankEnvelope; 40738032Speter 40838032Speter if (!fullclear) 40938032Speter { 41038032Speter /* clear out any file information */ 41138032Speter if (e->e_xfp != NULL) 41264562Sgshapiro (void) bfclose(e->e_xfp); 41338032Speter if (e->e_dfp != NULL) 41464562Sgshapiro (void) bfclose(e->e_dfp); 41538032Speter e->e_xfp = e->e_dfp = NULL; 41638032Speter } 41738032Speter 41838032Speter /* now clear out the data */ 41938032Speter STRUCTCOPY(BlankEnvelope, *e); 42038032Speter e->e_message = NULL; 42138032Speter if (Verbose) 42264562Sgshapiro set_delivery_mode(SM_DELIVER, e); 42338032Speter bh = BlankEnvelope.e_header; 42438032Speter nhp = &e->e_header; 42538032Speter while (bh != NULL) 42638032Speter { 42738032Speter *nhp = (HDR *) xalloc(sizeof *bh); 42864562Sgshapiro memmove((char *) *nhp, (char *) bh, sizeof *bh); 42938032Speter bh = bh->h_link; 43038032Speter nhp = &(*nhp)->h_link; 43138032Speter } 43238032Speter} 43338032Speter/* 43438032Speter** INITSYS -- initialize instantiation of system 43538032Speter** 43638032Speter** In Daemon mode, this is done in the child. 43738032Speter** 43838032Speter** Parameters: 43964562Sgshapiro** e -- the envelope to use. 44038032Speter** 44138032Speter** Returns: 44238032Speter** none. 44338032Speter** 44438032Speter** Side Effects: 44538032Speter** Initializes the system macros, some global variables, 44638032Speter** etc. In particular, the current time in various 44738032Speter** forms is set. 44838032Speter*/ 44938032Speter 45038032Spetervoid 45138032Speterinitsys(e) 45238032Speter register ENVELOPE *e; 45338032Speter{ 45438032Speter char cbuf[5]; /* holds hop count */ 45538032Speter char pbuf[10]; /* holds pid */ 45638032Speter#ifdef TTYNAME 45738032Speter static char ybuf[60]; /* holds tty id */ 45838032Speter register char *p; 45938032Speter extern char *ttyname(); 46038032Speter#endif /* TTYNAME */ 46138032Speter 46238032Speter /* 46338032Speter ** Give this envelope a reality. 46438032Speter ** I.e., an id, a transcript, and a creation time. 46538032Speter */ 46638032Speter 46764562Sgshapiro setnewqueue(e); 46838032Speter openxscript(e); 46938032Speter e->e_ctime = curtime(); 47064562Sgshapiro#if _FFR_QUEUEDELAY 47164562Sgshapiro e->e_queuealg = QueueAlg; 47264562Sgshapiro e->e_queuedelay = QueueInitDelay; 47364562Sgshapiro#endif /* _FFR_QUEUEDELAY */ 47438032Speter 47538032Speter /* 47638032Speter ** Set OutChannel to something useful if stdout isn't it. 47738032Speter ** This arranges that any extra stuff the mailer produces 47838032Speter ** gets sent back to the user on error (because it is 47938032Speter ** tucked away in the transcript). 48038032Speter */ 48138032Speter 48238032Speter if (OpMode == MD_DAEMON && bitset(EF_QUEUERUN, e->e_flags) && 48338032Speter e->e_xfp != NULL) 48438032Speter OutChannel = e->e_xfp; 48538032Speter 48638032Speter /* 48738032Speter ** Set up some basic system macros. 48838032Speter */ 48938032Speter 49038032Speter /* process id */ 49164562Sgshapiro (void) snprintf(pbuf, sizeof pbuf, "%d", (int) getpid()); 49238032Speter define('p', newstr(pbuf), e); 49338032Speter 49438032Speter /* hop count */ 49538032Speter (void) snprintf(cbuf, sizeof cbuf, "%d", e->e_hopcount); 49638032Speter define('c', newstr(cbuf), e); 49738032Speter 49838032Speter /* time as integer, unix time, arpa time */ 49938032Speter settime(e); 50038032Speter 50164562Sgshapiro /* Load average */ 50264562Sgshapiro (void)sm_getla(e); 50364562Sgshapiro 50438032Speter#ifdef TTYNAME 50538032Speter /* tty name */ 50638032Speter if (macvalue('y', e) == NULL) 50738032Speter { 50838032Speter p = ttyname(2); 50938032Speter if (p != NULL) 51038032Speter { 51138032Speter if (strrchr(p, '/') != NULL) 51238032Speter p = strrchr(p, '/') + 1; 51338032Speter snprintf(ybuf, sizeof ybuf, "%s", p); 51438032Speter define('y', ybuf, e); 51538032Speter } 51638032Speter } 51738032Speter#endif /* TTYNAME */ 51838032Speter} 51938032Speter/* 52038032Speter** SETTIME -- set the current time. 52138032Speter** 52238032Speter** Parameters: 52364562Sgshapiro** e -- the envelope in which the macros should be set. 52438032Speter** 52538032Speter** Returns: 52638032Speter** none. 52738032Speter** 52838032Speter** Side Effects: 52938032Speter** Sets the various time macros -- $a, $b, $d, $t. 53038032Speter*/ 53138032Speter 53238032Spetervoid 53338032Spetersettime(e) 53438032Speter register ENVELOPE *e; 53538032Speter{ 53638032Speter register char *p; 53738032Speter auto time_t now; 53838032Speter char tbuf[20]; /* holds "current" time */ 53938032Speter char dbuf[30]; /* holds ctime(tbuf) */ 54038032Speter register struct tm *tm; 54138032Speter 54238032Speter now = curtime(); 54338032Speter tm = gmtime(&now); 54438032Speter (void) snprintf(tbuf, sizeof tbuf, "%04d%02d%02d%02d%02d", tm->tm_year + 1900, 54564562Sgshapiro tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min); 54638032Speter define('t', newstr(tbuf), e); 54764562Sgshapiro (void) strlcpy(dbuf, ctime(&now), sizeof dbuf); 54838032Speter p = strchr(dbuf, '\n'); 54938032Speter if (p != NULL) 55038032Speter *p = '\0'; 55138032Speter define('d', newstr(dbuf), e); 55238032Speter p = arpadate(dbuf); 55338032Speter p = newstr(p); 55438032Speter if (macvalue('a', e) == NULL) 55538032Speter define('a', p, e); 55638032Speter define('b', p, e); 55738032Speter} 55838032Speter/* 55938032Speter** OPENXSCRIPT -- Open transcript file 56038032Speter** 56138032Speter** Creates a transcript file for possible eventual mailing or 56238032Speter** sending back. 56338032Speter** 56438032Speter** Parameters: 56538032Speter** e -- the envelope to create the transcript in/for. 56638032Speter** 56738032Speter** Returns: 56838032Speter** none 56938032Speter** 57038032Speter** Side Effects: 57138032Speter** Creates the transcript file. 57238032Speter*/ 57338032Speter 57438032Speter#ifndef O_APPEND 57564562Sgshapiro# define O_APPEND 0 57664562Sgshapiro#endif /* ! O_APPEND */ 57738032Speter 57838032Spetervoid 57938032Speteropenxscript(e) 58038032Speter register ENVELOPE *e; 58138032Speter{ 58238032Speter register char *p; 58338032Speter 58438032Speter if (e->e_xfp != NULL) 58538032Speter return; 58664562Sgshapiro 58764562Sgshapiro#if 0 58864562Sgshapiro if (e->e_lockfp == NULL && bitset(EF_INQUEUE, e->e_flags)) 58964562Sgshapiro syserr("openxscript: job not locked"); 59064562Sgshapiro#endif /* 0 */ 59164562Sgshapiro 59238032Speter p = queuename(e, 'x'); 59364562Sgshapiro e->e_xfp = bfopen(p, FileMode, XscriptFileBufferSize, 59464562Sgshapiro SFF_NOTEXCL|SFF_OPENASROOT); 59564562Sgshapiro 59664562Sgshapiro if (e->e_xfp == NULL) 59738032Speter { 59838032Speter syserr("Can't create transcript file %s", p); 59964562Sgshapiro e->e_xfp = fopen("/dev/null", "r+"); 60064562Sgshapiro if (e->e_xfp == NULL) 60138032Speter syserr("!Can't open /dev/null"); 60238032Speter } 60364562Sgshapiro#if HASSETVBUF 60464562Sgshapiro (void) setvbuf(e->e_xfp, NULL, _IOLBF, 0); 60564562Sgshapiro#else /* HASSETVBUF */ 60664562Sgshapiro (void) setlinebuf(e->e_xfp); 60764562Sgshapiro#endif /* HASSETVBUF */ 60838032Speter if (tTd(46, 9)) 60938032Speter { 61064562Sgshapiro dprintf("openxscript(%s):\n ", p); 61138032Speter dumpfd(fileno(e->e_xfp), TRUE, FALSE); 61238032Speter } 61338032Speter} 61438032Speter/* 61538032Speter** CLOSEXSCRIPT -- close the transcript file. 61638032Speter** 61738032Speter** Parameters: 61838032Speter** e -- the envelope containing the transcript to close. 61938032Speter** 62038032Speter** Returns: 62138032Speter** none. 62238032Speter** 62338032Speter** Side Effects: 62438032Speter** none. 62538032Speter*/ 62638032Speter 62738032Spetervoid 62838032Speterclosexscript(e) 62938032Speter register ENVELOPE *e; 63038032Speter{ 63138032Speter if (e->e_xfp == NULL) 63238032Speter return; 63364562Sgshapiro#if 0 63464562Sgshapiro if (e->e_lockfp == NULL) 63564562Sgshapiro syserr("closexscript: job not locked"); 63664562Sgshapiro#endif /* 0 */ 63764562Sgshapiro (void) bfclose(e->e_xfp); 63838032Speter e->e_xfp = NULL; 63938032Speter} 64038032Speter/* 64138032Speter** SETSENDER -- set the person who this message is from 64238032Speter** 64338032Speter** Under certain circumstances allow the user to say who 64438032Speter** s/he is (using -f or -r). These are: 64538032Speter** 1. The user's uid is zero (root). 64638032Speter** 2. The user's login name is in an approved list (typically 64738032Speter** from a network server). 64838032Speter** 3. The address the user is trying to claim has a 64938032Speter** "!" character in it (since #2 doesn't do it for 65038032Speter** us if we are dialing out for UUCP). 65138032Speter** A better check to replace #3 would be if the 65238032Speter** effective uid is "UUCP" -- this would require me 65338032Speter** to rewrite getpwent to "grab" uucp as it went by, 65438032Speter** make getname more nasty, do another passwd file 65538032Speter** scan, or compile the UID of "UUCP" into the code, 65638032Speter** all of which are reprehensible. 65738032Speter** 65838032Speter** Assuming all of these fail, we figure out something 65938032Speter** ourselves. 66038032Speter** 66138032Speter** Parameters: 66238032Speter** from -- the person we would like to believe this message 66338032Speter** is from, as specified on the command line. 66438032Speter** e -- the envelope in which we would like the sender set. 66538032Speter** delimptr -- if non-NULL, set to the location of the 66638032Speter** trailing delimiter. 66738032Speter** delimchar -- the character that will delimit the sender 66838032Speter** address. 66938032Speter** internal -- set if this address is coming from an internal 67038032Speter** source such as an owner alias. 67138032Speter** 67238032Speter** Returns: 67338032Speter** none. 67438032Speter** 67538032Speter** Side Effects: 67638032Speter** sets sendmail's notion of who the from person is. 67738032Speter*/ 67838032Speter 67938032Spetervoid 68038032Spetersetsender(from, e, delimptr, delimchar, internal) 68138032Speter char *from; 68238032Speter register ENVELOPE *e; 68338032Speter char **delimptr; 68438032Speter int delimchar; 68538032Speter bool internal; 68638032Speter{ 68738032Speter register char **pvp; 68838032Speter char *realname = NULL; 68938032Speter register struct passwd *pw; 69038032Speter char *bp; 69138032Speter char buf[MAXNAME + 2]; 69238032Speter char pvpbuf[PSBUFSIZE]; 69338032Speter extern char *FullName; 69438032Speter 69538032Speter if (tTd(45, 1)) 69664562Sgshapiro dprintf("setsender(%s)\n", from == NULL ? "" : from); 69738032Speter 69838032Speter /* 69938032Speter ** Figure out the real user executing us. 70038032Speter ** Username can return errno != 0 on non-errors. 70138032Speter */ 70238032Speter 70338032Speter if (bitset(EF_QUEUERUN, e->e_flags) || OpMode == MD_SMTP || 70438032Speter OpMode == MD_ARPAFTP || OpMode == MD_DAEMON) 70538032Speter realname = from; 70638032Speter if (realname == NULL || realname[0] == '\0') 70738032Speter realname = username(); 70838032Speter 70938032Speter if (ConfigLevel < 2) 71038032Speter SuprErrs = TRUE; 71138032Speter 71264562Sgshapiro#if _FFR_ADDR_TYPE 71364562Sgshapiro define(macid("{addr_type}", NULL), "e s", e); 71464562Sgshapiro#endif /* _FFR_ADDR_TYPE */ 71564562Sgshapiro /* preset state for then clause in case from == NULL */ 71664562Sgshapiro e->e_from.q_state = QS_BADADDR; 71764562Sgshapiro e->e_from.q_flags = 0; 71838032Speter if (from == NULL || 71938032Speter parseaddr(from, &e->e_from, RF_COPYALL|RF_SENDERADDR, 72038032Speter delimchar, delimptr, e) == NULL || 72164562Sgshapiro QS_IS_BADADDR(e->e_from.q_state) || 72238032Speter e->e_from.q_mailer == ProgMailer || 72338032Speter e->e_from.q_mailer == FileMailer || 72438032Speter e->e_from.q_mailer == InclMailer) 72538032Speter { 72638032Speter /* log garbage addresses for traceback */ 72738032Speter if (from != NULL && LogLevel > 2) 72838032Speter { 72938032Speter char *p; 73038032Speter char ebuf[MAXNAME * 2 + 2]; 73138032Speter 73238032Speter p = macvalue('_', e); 73338032Speter if (p == NULL) 73438032Speter { 73538032Speter char *host = RealHostName; 73638032Speter 73738032Speter if (host == NULL) 73838032Speter host = MyHostName; 73938032Speter (void) snprintf(ebuf, sizeof ebuf, "%.*s@%.*s", 74038032Speter MAXNAME, realname, 74138032Speter MAXNAME, host); 74238032Speter p = ebuf; 74338032Speter } 74438032Speter sm_syslog(LOG_NOTICE, e->e_id, 74564562Sgshapiro "setsender: %s: invalid or unparsable, received from %s", 74664562Sgshapiro shortenstring(from, 83), p); 74738032Speter } 74838032Speter if (from != NULL) 74938032Speter { 75064562Sgshapiro if (!QS_IS_BADADDR(e->e_from.q_state)) 75138032Speter { 75238032Speter /* it was a bogus mailer in the from addr */ 75338032Speter e->e_status = "5.1.7"; 75464562Sgshapiro usrerrenh(e->e_status, 75564562Sgshapiro "553 Invalid sender address"); 75638032Speter } 75738032Speter SuprErrs = TRUE; 75838032Speter } 75938032Speter if (from == realname || 76038032Speter parseaddr(from = newstr(realname), &e->e_from, 76138032Speter RF_COPYALL|RF_SENDERADDR, ' ', NULL, e) == NULL) 76238032Speter { 76338032Speter char nbuf[100]; 76438032Speter 76538032Speter SuprErrs = TRUE; 76638032Speter expand("\201n", nbuf, sizeof nbuf, e); 76738032Speter if (parseaddr(from = newstr(nbuf), &e->e_from, 76838032Speter RF_COPYALL, ' ', NULL, e) == NULL && 76938032Speter parseaddr(from = "postmaster", &e->e_from, 77064562Sgshapiro RF_COPYALL, ' ', NULL, e) == NULL) 77164562Sgshapiro syserr("553 5.3.0 setsender: can't even parse postmaster!"); 77238032Speter } 77338032Speter } 77438032Speter else 77538032Speter FromFlag = TRUE; 77664562Sgshapiro e->e_from.q_state = QS_SENDER; 77738032Speter if (tTd(45, 5)) 77838032Speter { 77964562Sgshapiro dprintf("setsender: QS_SENDER "); 78038032Speter printaddr(&e->e_from, FALSE); 78138032Speter } 78238032Speter SuprErrs = FALSE; 78338032Speter 78464562Sgshapiro#if USERDB 78538032Speter if (bitnset(M_CHECKUDB, e->e_from.q_mailer->m_flags)) 78638032Speter { 78738032Speter register char *p; 78838032Speter 78938032Speter p = udbsender(e->e_from.q_user); 79038032Speter if (p != NULL) 79138032Speter from = p; 79238032Speter } 79364562Sgshapiro#endif /* USERDB */ 79438032Speter 79538032Speter if (bitnset(M_HASPWENT, e->e_from.q_mailer->m_flags)) 79638032Speter { 79738032Speter if (!internal) 79838032Speter { 79938032Speter /* if the user already given fullname don't redefine */ 80038032Speter if (FullName == NULL) 80138032Speter FullName = macvalue('x', e); 80238032Speter if (FullName != NULL && FullName[0] == '\0') 80338032Speter FullName = NULL; 80438032Speter } 80538032Speter 80638032Speter if (e->e_from.q_user[0] != '\0' && 80738032Speter (pw = sm_getpwnam(e->e_from.q_user)) != NULL) 80838032Speter { 80938032Speter /* 81038032Speter ** Process passwd file entry. 81138032Speter */ 81238032Speter 81338032Speter /* extract home directory */ 81438032Speter if (strcmp(pw->pw_dir, "/") == 0) 81538032Speter e->e_from.q_home = newstr(""); 81638032Speter else 81738032Speter e->e_from.q_home = newstr(pw->pw_dir); 81838032Speter define('z', e->e_from.q_home, e); 81938032Speter 82038032Speter /* extract user and group id */ 82138032Speter e->e_from.q_uid = pw->pw_uid; 82238032Speter e->e_from.q_gid = pw->pw_gid; 82338032Speter e->e_from.q_flags |= QGOODUID; 82438032Speter 82538032Speter /* extract full name from passwd file */ 82638032Speter if (FullName == NULL && pw->pw_gecos != NULL && 82738032Speter strcmp(pw->pw_name, e->e_from.q_user) == 0 && 82838032Speter !internal) 82938032Speter { 83038032Speter buildfname(pw->pw_gecos, e->e_from.q_user, buf, sizeof buf); 83138032Speter if (buf[0] != '\0') 83238032Speter FullName = newstr(buf); 83338032Speter } 83438032Speter } 83538032Speter else 83638032Speter { 83764562Sgshapiro e->e_from.q_home = NULL; 83838032Speter } 83938032Speter if (FullName != NULL && !internal) 84038032Speter define('x', FullName, e); 84138032Speter } 84243730Speter else if (!internal && OpMode != MD_DAEMON && OpMode != MD_SMTP) 84338032Speter { 84438032Speter if (e->e_from.q_home == NULL) 84538032Speter { 84638032Speter e->e_from.q_home = getenv("HOME"); 84738032Speter if (e->e_from.q_home != NULL && 84838032Speter strcmp(e->e_from.q_home, "/") == 0) 84938032Speter e->e_from.q_home++; 85038032Speter } 85138032Speter e->e_from.q_uid = RealUid; 85238032Speter e->e_from.q_gid = RealGid; 85338032Speter e->e_from.q_flags |= QGOODUID; 85438032Speter } 85538032Speter 85638032Speter /* 85738032Speter ** Rewrite the from person to dispose of possible implicit 85838032Speter ** links in the net. 85938032Speter */ 86038032Speter 86138032Speter pvp = prescan(from, delimchar, pvpbuf, sizeof pvpbuf, NULL, NULL); 86238032Speter if (pvp == NULL) 86338032Speter { 86438032Speter /* don't need to give error -- prescan did that already */ 86538032Speter if (LogLevel > 2) 86638032Speter sm_syslog(LOG_NOTICE, e->e_id, 86764562Sgshapiro "cannot prescan from (%s)", 86864562Sgshapiro shortenstring(from, MAXSHORTSTR)); 86942575Speter finis(TRUE, ExitStat); 87038032Speter } 87138032Speter (void) rewrite(pvp, 3, 0, e); 87238032Speter (void) rewrite(pvp, 1, 0, e); 87338032Speter (void) rewrite(pvp, 4, 0, e); 87464562Sgshapiro#if _FFR_ADDR_TYPE 87564562Sgshapiro define(macid("{addr_type}", NULL), NULL, e); 87664562Sgshapiro#endif /* _FFR_ADDR_TYPE */ 87738032Speter bp = buf + 1; 87838032Speter cataddr(pvp, NULL, bp, sizeof buf - 2, '\0'); 87938032Speter if (*bp == '@' && !bitnset(M_NOBRACKET, e->e_from.q_mailer->m_flags)) 88038032Speter { 88138032Speter /* heuristic: route-addr: add angle brackets */ 88264562Sgshapiro (void) strlcat(bp, ">", sizeof buf - 1); 88338032Speter *--bp = '<'; 88438032Speter } 88538032Speter e->e_sender = newstr(bp); 88638032Speter define('f', e->e_sender, e); 88738032Speter 88838032Speter /* save the domain spec if this mailer wants it */ 88938032Speter if (e->e_from.q_mailer != NULL && 89038032Speter bitnset(M_CANONICAL, e->e_from.q_mailer->m_flags)) 89138032Speter { 89238032Speter char **lastat; 89338032Speter 89438032Speter /* get rid of any pesky angle brackets */ 89564562Sgshapiro#if _FFR_ADDR_TYPE 89664562Sgshapiro define(macid("{addr_type}", NULL), "e s", e); 89764562Sgshapiro#endif /* _FFR_ADDR_TYPE */ 89838032Speter (void) rewrite(pvp, 3, 0, e); 89938032Speter (void) rewrite(pvp, 1, 0, e); 90038032Speter (void) rewrite(pvp, 4, 0, e); 90164562Sgshapiro#if _FFR_ADDR_TYPE 90264562Sgshapiro define(macid("{addr_type}", NULL), NULL, e); 90364562Sgshapiro#endif /* _FFR_ADDR_TYPE */ 90438032Speter 90538032Speter /* strip off to the last "@" sign */ 90638032Speter for (lastat = NULL; *pvp != NULL; pvp++) 90738032Speter if (strcmp(*pvp, "@") == 0) 90838032Speter lastat = pvp; 90938032Speter if (lastat != NULL) 91038032Speter { 91138032Speter e->e_fromdomain = copyplist(lastat, TRUE); 91238032Speter if (tTd(45, 3)) 91338032Speter { 91464562Sgshapiro dprintf("Saving from domain: "); 91538032Speter printav(e->e_fromdomain); 91638032Speter } 91738032Speter } 91838032Speter } 91938032Speter} 92038032Speter/* 92138032Speter** PRINTENVFLAGS -- print envelope flags for debugging 92238032Speter** 92338032Speter** Parameters: 92438032Speter** e -- the envelope with the flags to be printed. 92538032Speter** 92638032Speter** Returns: 92738032Speter** none. 92838032Speter*/ 92938032Speter 93038032Speterstruct eflags 93138032Speter{ 93238032Speter char *ef_name; 93338032Speter u_long ef_bit; 93438032Speter}; 93538032Speter 93664562Sgshapirostatic struct eflags EnvelopeFlags[] = 93738032Speter{ 93838032Speter { "OLDSTYLE", EF_OLDSTYLE }, 93938032Speter { "INQUEUE", EF_INQUEUE }, 94038032Speter { "NO_BODY_RETN", EF_NO_BODY_RETN }, 94138032Speter { "CLRQUEUE", EF_CLRQUEUE }, 94238032Speter { "SENDRECEIPT", EF_SENDRECEIPT }, 94338032Speter { "FATALERRS", EF_FATALERRS }, 94438032Speter { "DELETE_BCC", EF_DELETE_BCC }, 94538032Speter { "RESPONSE", EF_RESPONSE }, 94638032Speter { "RESENT", EF_RESENT }, 94738032Speter { "VRFYONLY", EF_VRFYONLY }, 94838032Speter { "WARNING", EF_WARNING }, 94938032Speter { "QUEUERUN", EF_QUEUERUN }, 95038032Speter { "GLOBALERRS", EF_GLOBALERRS }, 95138032Speter { "PM_NOTIFY", EF_PM_NOTIFY }, 95238032Speter { "METOO", EF_METOO }, 95338032Speter { "LOGSENDER", EF_LOGSENDER }, 95438032Speter { "NORECEIPT", EF_NORECEIPT }, 95538032Speter { "HAS8BIT", EF_HAS8BIT }, 95638032Speter { "NL_NOT_EOL", EF_NL_NOT_EOL }, 95738032Speter { "CRLF_NOT_EOL", EF_CRLF_NOT_EOL }, 95838032Speter { "RET_PARAM", EF_RET_PARAM }, 95938032Speter { "HAS_DF", EF_HAS_DF }, 96038032Speter { "IS_MIME", EF_IS_MIME }, 96138032Speter { "DONT_MIME", EF_DONT_MIME }, 96238032Speter { NULL } 96338032Speter}; 96438032Speter 96538032Spetervoid 96638032Speterprintenvflags(e) 96738032Speter register ENVELOPE *e; 96838032Speter{ 96938032Speter register struct eflags *ef; 97038032Speter bool first = TRUE; 97138032Speter 97238032Speter printf("%lx", e->e_flags); 97338032Speter for (ef = EnvelopeFlags; ef->ef_name != NULL; ef++) 97438032Speter { 97538032Speter if (!bitset(ef->ef_bit, e->e_flags)) 97638032Speter continue; 97738032Speter if (first) 97838032Speter printf("<%s", ef->ef_name); 97938032Speter else 98038032Speter printf(",%s", ef->ef_name); 98138032Speter first = FALSE; 98238032Speter } 98338032Speter if (!first) 98438032Speter printf(">\n"); 98538032Speter} 986