17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
237c478bd9Sstevel@tonic-gate /* All Rights Reserved */
247c478bd9Sstevel@tonic-gate
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate /*
277c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
287c478bd9Sstevel@tonic-gate * Use is subject to license terms.
297c478bd9Sstevel@tonic-gate */
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate /*
327c478bd9Sstevel@tonic-gate * All global externs defined in mail.h. All variables are initialized
337c478bd9Sstevel@tonic-gate * here!
347c478bd9Sstevel@tonic-gate *
357c478bd9Sstevel@tonic-gate * !!!!!IF YOU CHANGE (OR ADD) IT HERE, DO IT THERE ALSO !!!!!!!!
367c478bd9Sstevel@tonic-gate *
377c478bd9Sstevel@tonic-gate */
387c478bd9Sstevel@tonic-gate #include "mail.h"
397c478bd9Sstevel@tonic-gate
407c478bd9Sstevel@tonic-gate int ac; /* argument list count */
417c478bd9Sstevel@tonic-gate char **av; /* argument list */
427c478bd9Sstevel@tonic-gate int affbytecnt; /* Total bytes of Auto-Fwd. info in msg. */
437c478bd9Sstevel@tonic-gate int affcnt; /* Number of Auto-Fwd.-From: lines in msg. */
447c478bd9Sstevel@tonic-gate int Daffbytecnt; /* Hold affbytecnt when sending Delivery Notification */
457c478bd9Sstevel@tonic-gate int Daffcnt; /* Hold affcnt when sending Delivery Notification */
467c478bd9Sstevel@tonic-gate char binmsg[] = "*** Message content is not printable: delete, write or save it to a file ***";
477c478bd9Sstevel@tonic-gate int changed; /* > 0 says mailfile has changed */
487c478bd9Sstevel@tonic-gate char datestring[60]; /* Today's date and time */
497c478bd9Sstevel@tonic-gate char dbgfname[20];
507c478bd9Sstevel@tonic-gate FILE *dbgfp;
517c478bd9Sstevel@tonic-gate char dead[] = "/dead.letter"; /* name of dead.letter */
527c478bd9Sstevel@tonic-gate int debug; /* Controls debugging level. 0 ==> no debugging */
537c478bd9Sstevel@tonic-gate int delflg = 1;
547c478bd9Sstevel@tonic-gate int dflag = 0; /* 1 says returning unsendable mail */
557c478bd9Sstevel@tonic-gate char *errlist[]= {
567c478bd9Sstevel@tonic-gate "",
577c478bd9Sstevel@tonic-gate "Unknown system",
587c478bd9Sstevel@tonic-gate "Problem with mailfile",
597c478bd9Sstevel@tonic-gate "Space problem",
607c478bd9Sstevel@tonic-gate "Unable to forward mail, check permissions and group",
617c478bd9Sstevel@tonic-gate "Syntax error",
627c478bd9Sstevel@tonic-gate "Forwarding loop",
637c478bd9Sstevel@tonic-gate "Invalid sender",
647c478bd9Sstevel@tonic-gate "Invalid recipient",
657c478bd9Sstevel@tonic-gate "Too many From lines",
667c478bd9Sstevel@tonic-gate "Invalid permissions",
677c478bd9Sstevel@tonic-gate "Cannot open mbox",
687c478bd9Sstevel@tonic-gate "Temporary file problem",
697c478bd9Sstevel@tonic-gate "Cannot create dead.letter",
707c478bd9Sstevel@tonic-gate "Unbounded forwarding",
717c478bd9Sstevel@tonic-gate "Cannot create lock file",
727c478bd9Sstevel@tonic-gate "No group id of 'mail'",
737c478bd9Sstevel@tonic-gate "Problem allocating memory",
747c478bd9Sstevel@tonic-gate "Could not fork",
757c478bd9Sstevel@tonic-gate "Cannot pipe",
767c478bd9Sstevel@tonic-gate "Must be owner to modify mailfile",
777c478bd9Sstevel@tonic-gate "Permission denied by /etc/mail/mailsurr file",
787c478bd9Sstevel@tonic-gate "Surrogate command failed"
797c478bd9Sstevel@tonic-gate };
807c478bd9Sstevel@tonic-gate int error = 0; /* Local value for error */
817c478bd9Sstevel@tonic-gate char *failsafe; /* $FAILSAFE */
827c478bd9Sstevel@tonic-gate int file_size;
837c478bd9Sstevel@tonic-gate int flge = 0; /* 1 ==> 'e' option specified */
847c478bd9Sstevel@tonic-gate int flgE = 0; /* 1 ==> 'E' option specified */
857c478bd9Sstevel@tonic-gate int flgF = 0; /* 1 ==> Installing/Removing Forwarding */
867c478bd9Sstevel@tonic-gate int flgf = 0; /* 1 ==> 'f' option specified */
877c478bd9Sstevel@tonic-gate int flgh = 0; /* 1 ==> 'h' option specified */
887c478bd9Sstevel@tonic-gate int flgm;
897c478bd9Sstevel@tonic-gate int flgp = 0; /* 1 ==> 'p' option specified */
907c478bd9Sstevel@tonic-gate int flgP = 0; /* 1 ==> 'P' option specified */
917c478bd9Sstevel@tonic-gate int flgr = 0; /* 1 ==> 'r' option -- print in fifo order */
927c478bd9Sstevel@tonic-gate int flgt = 0; /* 1 ==> 't' option -- add To: line to letter */
937c478bd9Sstevel@tonic-gate int flgT = 0; /* 1 ==> 'T' option specified */
947c478bd9Sstevel@tonic-gate int flgw = 0; /* 1 ==> 'w' option specified */
957c478bd9Sstevel@tonic-gate int fnuhdrtype = 0; /* type of first non-UNIX header line */
967c478bd9Sstevel@tonic-gate char forwmsg[] = " forwarded by %s\n";
977c478bd9Sstevel@tonic-gate char fromS[1024]; /* stored here by sendmail for sendsurg */
987c478bd9Sstevel@tonic-gate char fromU[1024]; /* stored here by sendmail for sendsurg */
997c478bd9Sstevel@tonic-gate char frwlmsg[] = " %s: Forwarding loop detected in %s's mailfile.\n";
1007c478bd9Sstevel@tonic-gate char frwrd[] = "Forward to "; /* forwarding sentinel */
1017c478bd9Sstevel@tonic-gate char fwdFrom[1024];
1027c478bd9Sstevel@tonic-gate int goerr = 0; /* counts parsing errors */
1037c478bd9Sstevel@tonic-gate struct group *grpptr; /* pointer to struct group */
1047c478bd9Sstevel@tonic-gate struct hdrlines hdrlines[H_CONT];
1057c478bd9Sstevel@tonic-gate /* Default_display indicates whether to display this header line to the TTY */
1067c478bd9Sstevel@tonic-gate /* when in default mode. Can be overridden via 'P' command at ? prompt */
1077c478bd9Sstevel@tonic-gate struct hdr header[] = {
1087c478bd9Sstevel@tonic-gate "", FALSE,
1097c478bd9Sstevel@tonic-gate "Auto-Forward-Count:", FALSE,
1107c478bd9Sstevel@tonic-gate "Auto-Forwarded-From:", FALSE,
1117c478bd9Sstevel@tonic-gate "Content-Length:", TRUE,
1127c478bd9Sstevel@tonic-gate "Content-Type:", FALSE,
1137c478bd9Sstevel@tonic-gate "Date:", TRUE,
1147c478bd9Sstevel@tonic-gate "Default-Options:", FALSE,
1157c478bd9Sstevel@tonic-gate "End-of-Header:", FALSE,
1167c478bd9Sstevel@tonic-gate "From ", TRUE,
1177c478bd9Sstevel@tonic-gate ">From ", TRUE,
1187c478bd9Sstevel@tonic-gate "From:", TRUE,
1197c478bd9Sstevel@tonic-gate "MIME-Version:", FALSE,
1207c478bd9Sstevel@tonic-gate "MTS-Message-ID:", FALSE,
1217c478bd9Sstevel@tonic-gate "Message-Type:", FALSE,
1227c478bd9Sstevel@tonic-gate "Message-Version:", FALSE,
1237c478bd9Sstevel@tonic-gate "Message-Service:", TRUE,
1247c478bd9Sstevel@tonic-gate "Received:", FALSE,
1257c478bd9Sstevel@tonic-gate "Report-Version:", FALSE,
1267c478bd9Sstevel@tonic-gate "Subject:", TRUE,
1277c478bd9Sstevel@tonic-gate "To:", TRUE,
1287c478bd9Sstevel@tonic-gate ">To:", FALSE,
1297c478bd9Sstevel@tonic-gate "Transport-Options:", FALSE,
1307c478bd9Sstevel@tonic-gate "UA-Content-ID:", FALSE,
1317c478bd9Sstevel@tonic-gate
1327c478bd9Sstevel@tonic-gate /*Dummy place holders for H_DAFWDFROM,*/
1337c478bd9Sstevel@tonic-gate /*H_DTCOPY and H_RECEIVED. Should */
1347c478bd9Sstevel@tonic-gate /* match above first...*/
1357c478bd9Sstevel@tonic-gate "Hold-Auto-Forwarded-From:", FALSE,
1367c478bd9Sstevel@tonic-gate "Hold->To:", FALSE,
1377c478bd9Sstevel@tonic-gate "Hold-Received:", FALSE,
1387c478bd9Sstevel@tonic-gate "Continue:", FALSE,
1397c478bd9Sstevel@tonic-gate "Name-Value:", FALSE,
1407c478bd9Sstevel@tonic-gate };
1417c478bd9Sstevel@tonic-gate char *help[] = {
1427c478bd9Sstevel@tonic-gate "?\t\tprint this help message\n",
1437c478bd9Sstevel@tonic-gate "#\t\tdisplay message number #\n",
1447c478bd9Sstevel@tonic-gate "-\t\tprint previous\n",
1457c478bd9Sstevel@tonic-gate "+\t\tnext (no delete)\n",
1467c478bd9Sstevel@tonic-gate "! cmd\t\texecute cmd\n",
1477c478bd9Sstevel@tonic-gate "<CR>\t\tnext (no delete)\n",
1487c478bd9Sstevel@tonic-gate "a\t\tposition at and read newly arrived mail\n",
1497c478bd9Sstevel@tonic-gate "d [#]\t\tdelete message # (default current message)\n",
1507c478bd9Sstevel@tonic-gate "dp\t\tdelete current message and print the next\n",
1517c478bd9Sstevel@tonic-gate "dq\t\tdelete current message and exit\n",
1527c478bd9Sstevel@tonic-gate "h a\t\tdisplay all headers\n",
1537c478bd9Sstevel@tonic-gate "h d\t\tdisplay headers of letters scheduled for deletion\n",
1547c478bd9Sstevel@tonic-gate "h [#]\t\tdisplay headers around # (default current message)\n",
1557c478bd9Sstevel@tonic-gate "m user \tmail (and delete) current message to user\n",
1567c478bd9Sstevel@tonic-gate "n\t\tnext (no delete)\n",
1577c478bd9Sstevel@tonic-gate "p\t\tprint (override any warnings of binary content)\n",
1587c478bd9Sstevel@tonic-gate "P\t\toverride default 'brief' mode and display ALL header lines\n",
1597c478bd9Sstevel@tonic-gate "q, ^D\t\tquit\n",
1607c478bd9Sstevel@tonic-gate "r [args]\treply to (and delete) current letter via mail [args]\n",
1617c478bd9Sstevel@tonic-gate "s [files]\tsave (and delete) current message (default mbox)\n",
1627c478bd9Sstevel@tonic-gate "u [#]\t\tundelete message # (default current message)\n",
1637c478bd9Sstevel@tonic-gate "w [files]\tsave (and delete) current message without header\n",
1647c478bd9Sstevel@tonic-gate "x\t\texit without changing mail\n",
1657c478bd9Sstevel@tonic-gate "y [files]\tsave (and delete) current message (default mbox)\n",
1667c478bd9Sstevel@tonic-gate 0
1677c478bd9Sstevel@tonic-gate };
1687c478bd9Sstevel@tonic-gate char *hmbox; /* pointer to $HOME/mbox */
1697c478bd9Sstevel@tonic-gate char *hmdead; /* pointer to $HOME/dead.letter */
1707c478bd9Sstevel@tonic-gate char *home; /* pointer to $HOME */
1717c478bd9Sstevel@tonic-gate time_t iop;
1727c478bd9Sstevel@tonic-gate int interactive = 0; /* 1 says user is interactive */
1737c478bd9Sstevel@tonic-gate int ismail = TRUE; /* default to program=mail */
174*2a8bcb4eSToomas Soome int deliverflag = FALSE; /* -d flag, skip sendmail
1757c478bd9Sstevel@tonic-gate * deliver directly to mailbox
1767c478bd9Sstevel@tonic-gate */
1777c478bd9Sstevel@tonic-gate int fromflag = FALSE; /* -f from_user, set a user
1787c478bd9Sstevel@tonic-gate * when going into a mailbox
1797c478bd9Sstevel@tonic-gate */
1807c478bd9Sstevel@tonic-gate int keepdbgfile;
1817c478bd9Sstevel@tonic-gate struct let let[MAXLET];
1827c478bd9Sstevel@tonic-gate char *lettmp; /* pointer to tmp filename */
1837c478bd9Sstevel@tonic-gate char lfil[MAXFILENAME];
1847c478bd9Sstevel@tonic-gate char line[LSIZE]; /* holds a line of a letter in many places */
1857c478bd9Sstevel@tonic-gate char *mailfile; /* pointer to mailfile */
1867c478bd9Sstevel@tonic-gate char mailcnfg[] = MAILCNFG; /* configuration file */
1877c478bd9Sstevel@tonic-gate char maildir[] = MAILDIR; /* directory for mail files */
1887c478bd9Sstevel@tonic-gate gid_t mailgrp; /* numeric id of group 'mail' */
1897c478bd9Sstevel@tonic-gate char mailsave[] = SAVEDIR; /* dir for save files */
1907c478bd9Sstevel@tonic-gate char *mailsurr = MAILSURR; /* surrogate file name */
1917c478bd9Sstevel@tonic-gate FILE *malf; /* File pointer for mailfile */
1927c478bd9Sstevel@tonic-gate int maxerr = 0; /* largest value of error */
1937c478bd9Sstevel@tonic-gate char mbox[] = "/mbox"; /* name for mbox */
1947c478bd9Sstevel@tonic-gate uid_t mf_uid; /* uid of users mailfile */
1957c478bd9Sstevel@tonic-gate gid_t mf_gid; /* gid of users mailfile */
1967c478bd9Sstevel@tonic-gate char *msgtype;
1977c478bd9Sstevel@tonic-gate char my_name[1024]; /* user's name who invoked this command */
1987c478bd9Sstevel@tonic-gate char from_user[1024]; /* user's name specified w/ -f when sending */
1997c478bd9Sstevel@tonic-gate uid_t my_euid; /* user's euid */
2007c478bd9Sstevel@tonic-gate gid_t my_egid; /* user's egid */
2017c478bd9Sstevel@tonic-gate uid_t my_uid; /* user's uid */
2027c478bd9Sstevel@tonic-gate gid_t my_gid; /* user's gid */
2037c478bd9Sstevel@tonic-gate int nlet = 0; /* current number of letters in mailfile */
2047c478bd9Sstevel@tonic-gate int onlet = 0; /* number of letters in mailfile at startup*/
2057c478bd9Sstevel@tonic-gate int optcnt = 0; /* Number of options specified */
2067c478bd9Sstevel@tonic-gate int orig_aff = 0; /* orig. msg. contained H_AFWDFROM lines */
2077c478bd9Sstevel@tonic-gate int orig_dbglvl; /* argument to -x invocation option */
2087c478bd9Sstevel@tonic-gate int orig_rcv = 0; /* orig. msg. contained H_RECEIVED lines */
2097c478bd9Sstevel@tonic-gate int orig_tcopy = 0; /* orig. msg. contained H_TCOPY lines */
2107c478bd9Sstevel@tonic-gate struct passwd *pwd; /* holds passwd entry for this user */
2117c478bd9Sstevel@tonic-gate int pflg = 0; /* binary message display override flag */
2127c478bd9Sstevel@tonic-gate int Pflg = 0; /* Selective display flag; 1 ==> display all */
2137c478bd9Sstevel@tonic-gate char *program; /* program name */
2147c478bd9Sstevel@tonic-gate int rcvbytecnt; /* Total bytes of Received: info in msg. */
2157c478bd9Sstevel@tonic-gate int Drcvbytecnt; /* Hold rcvbytecnt when sending Delivery Notification */
2167c478bd9Sstevel@tonic-gate char *recipname; /* full recipient name/address */
2177c478bd9Sstevel@tonic-gate int replying = 0; /* 1 says we are replying to a letter */
2187c478bd9Sstevel@tonic-gate char RFC822datestring[60];/* Date in RFC822 date format */
2197c478bd9Sstevel@tonic-gate char Rpath[1024]; /* return path to sender of message */
2207c478bd9Sstevel@tonic-gate char rmtmsg[] = " remote from %s\n";
2217c478bd9Sstevel@tonic-gate char rtrnmsg[] = "***** UNDELIVERABLE MAIL sent to %s, being returned by %s *****\n";
2227c478bd9Sstevel@tonic-gate int sav_errno;
2237c478bd9Sstevel@tonic-gate char savefile[MAXFILENAME]; /* holds filename of save file */
2247c478bd9Sstevel@tonic-gate void (*saveint)();
2257c478bd9Sstevel@tonic-gate /* Any header line prefixes listed here WILL be displayed in default mode */
2267c478bd9Sstevel@tonic-gate /* If it's not here, it won't be shown. Can be overridden via 'P' command */
2277c478bd9Sstevel@tonic-gate /* at ? prompt */
2287c478bd9Sstevel@tonic-gate char *seldisp[] = {
2297c478bd9Sstevel@tonic-gate "Cc:",
2307c478bd9Sstevel@tonic-gate "Bcc:",
2317c478bd9Sstevel@tonic-gate "Paper-",
2327c478bd9Sstevel@tonic-gate "Phone:",
2337c478bd9Sstevel@tonic-gate "Message-",
2347c478bd9Sstevel@tonic-gate "Original-",
2357c478bd9Sstevel@tonic-gate "Confirming-",
2367c478bd9Sstevel@tonic-gate "Delivered-",
2377c478bd9Sstevel@tonic-gate "Deliverable-",
2387c478bd9Sstevel@tonic-gate "Not-",
2397c478bd9Sstevel@tonic-gate "En-Route-To:",
2407c478bd9Sstevel@tonic-gate 0
2417c478bd9Sstevel@tonic-gate };
2427c478bd9Sstevel@tonic-gate int sending; /* TRUE==>sending mail; FALSE==>printing mail */
2437c478bd9Sstevel@tonic-gate char m_sendto[1024];
2447c478bd9Sstevel@tonic-gate jmp_buf sjbuf;
2457c478bd9Sstevel@tonic-gate int surg_rc = 0; /* exit code of surrogate command */
2467c478bd9Sstevel@tonic-gate int surr_len = 0;
2477c478bd9Sstevel@tonic-gate char *SURRcmdstr = (char *)NULL; /* save in case of FAILURE */
2487c478bd9Sstevel@tonic-gate FILE *SURRerrfile; /* stderr from surrogate in case of FAILURE */
2497c478bd9Sstevel@tonic-gate char *thissys; /* Holds name of the system we are on */
2507c478bd9Sstevel@tonic-gate FILE *tmpf; /* file pointer for temporary files */
2517c478bd9Sstevel@tonic-gate mode_t umsave;
2527c478bd9Sstevel@tonic-gate struct utsname utsn;
2537c478bd9Sstevel@tonic-gate static struct utimbuf utims;
2547c478bd9Sstevel@tonic-gate struct utimbuf *utimep = &utims;
2557c478bd9Sstevel@tonic-gate char uval[1024];
2567c478bd9Sstevel@tonic-gate
init()2577c478bd9Sstevel@tonic-gate int init()
2587c478bd9Sstevel@tonic-gate {
2597c478bd9Sstevel@tonic-gate utims.actime = utims.modtime = -1;
2607c478bd9Sstevel@tonic-gate return (xsetenv(mailcnfg));
2617c478bd9Sstevel@tonic-gate }
262