1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 /* 32 * All global externs defined in mail.h. All variables are initialized 33 * here! 34 * 35 * !!!!!IF YOU CHANGE (OR ADD) IT HERE, DO IT THERE ALSO !!!!!!!! 36 * 37 */ 38 #include "mail.h" 39 40 int ac; /* argument list count */ 41 char **av; /* argument list */ 42 int affbytecnt; /* Total bytes of Auto-Fwd. info in msg. */ 43 int affcnt; /* Number of Auto-Fwd.-From: lines in msg. */ 44 int Daffbytecnt; /* Hold affbytecnt when sending Delivery Notification */ 45 int Daffcnt; /* Hold affcnt when sending Delivery Notification */ 46 char binmsg[] = "*** Message content is not printable: delete, write or save it to a file ***"; 47 int changed; /* > 0 says mailfile has changed */ 48 char datestring[60]; /* Today's date and time */ 49 char dbgfname[20]; 50 FILE *dbgfp; 51 char dead[] = "/dead.letter"; /* name of dead.letter */ 52 int debug; /* Controls debugging level. 0 ==> no debugging */ 53 int delflg = 1; 54 int dflag = 0; /* 1 says returning unsendable mail */ 55 char *errlist[]= { 56 "", 57 "Unknown system", 58 "Problem with mailfile", 59 "Space problem", 60 "Unable to forward mail, check permissions and group", 61 "Syntax error", 62 "Forwarding loop", 63 "Invalid sender", 64 "Invalid recipient", 65 "Too many From lines", 66 "Invalid permissions", 67 "Cannot open mbox", 68 "Temporary file problem", 69 "Cannot create dead.letter", 70 "Unbounded forwarding", 71 "Cannot create lock file", 72 "No group id of 'mail'", 73 "Problem allocating memory", 74 "Could not fork", 75 "Cannot pipe", 76 "Must be owner to modify mailfile", 77 "Permission denied by /etc/mail/mailsurr file", 78 "Surrogate command failed" 79 }; 80 int error = 0; /* Local value for error */ 81 char *failsafe; /* $FAILSAFE */ 82 int file_size; 83 int flge = 0; /* 1 ==> 'e' option specified */ 84 int flgE = 0; /* 1 ==> 'E' option specified */ 85 int flgF = 0; /* 1 ==> Installing/Removing Forwarding */ 86 int flgf = 0; /* 1 ==> 'f' option specified */ 87 int flgh = 0; /* 1 ==> 'h' option specified */ 88 int flgm; 89 int flgp = 0; /* 1 ==> 'p' option specified */ 90 int flgP = 0; /* 1 ==> 'P' option specified */ 91 int flgr = 0; /* 1 ==> 'r' option -- print in fifo order */ 92 int flgt = 0; /* 1 ==> 't' option -- add To: line to letter */ 93 int flgT = 0; /* 1 ==> 'T' option specified */ 94 int flgw = 0; /* 1 ==> 'w' option specified */ 95 int fnuhdrtype = 0; /* type of first non-UNIX header line */ 96 char forwmsg[] = " forwarded by %s\n"; 97 char fromS[1024]; /* stored here by sendmail for sendsurg */ 98 char fromU[1024]; /* stored here by sendmail for sendsurg */ 99 char frwlmsg[] = " %s: Forwarding loop detected in %s's mailfile.\n"; 100 char frwrd[] = "Forward to "; /* forwarding sentinel */ 101 char fwdFrom[1024]; 102 int goerr = 0; /* counts parsing errors */ 103 struct group *grpptr; /* pointer to struct group */ 104 struct hdrlines hdrlines[H_CONT]; 105 /* Default_display indicates whether to display this header line to the TTY */ 106 /* when in default mode. Can be overridden via 'P' command at ? prompt */ 107 struct hdr header[] = { 108 "", FALSE, 109 "Auto-Forward-Count:", FALSE, 110 "Auto-Forwarded-From:", FALSE, 111 "Content-Length:", TRUE, 112 "Content-Type:", FALSE, 113 "Date:", TRUE, 114 "Default-Options:", FALSE, 115 "End-of-Header:", FALSE, 116 "From ", TRUE, 117 ">From ", TRUE, 118 "From:", TRUE, 119 "MIME-Version:", FALSE, 120 "MTS-Message-ID:", FALSE, 121 "Message-Type:", FALSE, 122 "Message-Version:", FALSE, 123 "Message-Service:", TRUE, 124 "Received:", FALSE, 125 "Report-Version:", FALSE, 126 "Subject:", TRUE, 127 "To:", TRUE, 128 ">To:", FALSE, 129 "Transport-Options:", FALSE, 130 "UA-Content-ID:", FALSE, 131 132 /*Dummy place holders for H_DAFWDFROM,*/ 133 /*H_DTCOPY and H_RECEIVED. Should */ 134 /* match above first...*/ 135 "Hold-Auto-Forwarded-From:", FALSE, 136 "Hold->To:", FALSE, 137 "Hold-Received:", FALSE, 138 "Continue:", FALSE, 139 "Name-Value:", FALSE, 140 }; 141 char *help[] = { 142 "?\t\tprint this help message\n", 143 "#\t\tdisplay message number #\n", 144 "-\t\tprint previous\n", 145 "+\t\tnext (no delete)\n", 146 "! cmd\t\texecute cmd\n", 147 "<CR>\t\tnext (no delete)\n", 148 "a\t\tposition at and read newly arrived mail\n", 149 "d [#]\t\tdelete message # (default current message)\n", 150 "dp\t\tdelete current message and print the next\n", 151 "dq\t\tdelete current message and exit\n", 152 "h a\t\tdisplay all headers\n", 153 "h d\t\tdisplay headers of letters scheduled for deletion\n", 154 "h [#]\t\tdisplay headers around # (default current message)\n", 155 "m user \tmail (and delete) current message to user\n", 156 "n\t\tnext (no delete)\n", 157 "p\t\tprint (override any warnings of binary content)\n", 158 "P\t\toverride default 'brief' mode and display ALL header lines\n", 159 "q, ^D\t\tquit\n", 160 "r [args]\treply to (and delete) current letter via mail [args]\n", 161 "s [files]\tsave (and delete) current message (default mbox)\n", 162 "u [#]\t\tundelete message # (default current message)\n", 163 "w [files]\tsave (and delete) current message without header\n", 164 "x\t\texit without changing mail\n", 165 "y [files]\tsave (and delete) current message (default mbox)\n", 166 0 167 }; 168 char *hmbox; /* pointer to $HOME/mbox */ 169 char *hmdead; /* pointer to $HOME/dead.letter */ 170 char *home; /* pointer to $HOME */ 171 time_t iop; 172 int interactive = 0; /* 1 says user is interactive */ 173 int ismail = TRUE; /* default to program=mail */ 174 int deliverflag = FALSE; /* -d flag, skip sendmail 175 * deliver directly to mailbox 176 */ 177 int fromflag = FALSE; /* -f from_user, set a user 178 * when going into a mailbox 179 */ 180 int keepdbgfile; 181 struct let let[MAXLET]; 182 char *lettmp; /* pointer to tmp filename */ 183 char lfil[MAXFILENAME]; 184 char line[LSIZE]; /* holds a line of a letter in many places */ 185 char *mailfile; /* pointer to mailfile */ 186 char mailcnfg[] = MAILCNFG; /* configuration file */ 187 char maildir[] = MAILDIR; /* directory for mail files */ 188 gid_t mailgrp; /* numeric id of group 'mail' */ 189 char mailsave[] = SAVEDIR; /* dir for save files */ 190 char *mailsurr = MAILSURR; /* surrogate file name */ 191 FILE *malf; /* File pointer for mailfile */ 192 int maxerr = 0; /* largest value of error */ 193 char mbox[] = "/mbox"; /* name for mbox */ 194 uid_t mf_uid; /* uid of users mailfile */ 195 gid_t mf_gid; /* gid of users mailfile */ 196 char *msgtype; 197 char my_name[1024]; /* user's name who invoked this command */ 198 char from_user[1024]; /* user's name specified w/ -f when sending */ 199 uid_t my_euid; /* user's euid */ 200 gid_t my_egid; /* user's egid */ 201 uid_t my_uid; /* user's uid */ 202 gid_t my_gid; /* user's gid */ 203 int nlet = 0; /* current number of letters in mailfile */ 204 int onlet = 0; /* number of letters in mailfile at startup*/ 205 int optcnt = 0; /* Number of options specified */ 206 int orig_aff = 0; /* orig. msg. contained H_AFWDFROM lines */ 207 int orig_dbglvl; /* argument to -x invocation option */ 208 int orig_rcv = 0; /* orig. msg. contained H_RECEIVED lines */ 209 int orig_tcopy = 0; /* orig. msg. contained H_TCOPY lines */ 210 struct passwd *pwd; /* holds passwd entry for this user */ 211 int pflg = 0; /* binary message display override flag */ 212 int Pflg = 0; /* Selective display flag; 1 ==> display all */ 213 char *program; /* program name */ 214 int rcvbytecnt; /* Total bytes of Received: info in msg. */ 215 int Drcvbytecnt; /* Hold rcvbytecnt when sending Delivery Notification */ 216 char *recipname; /* full recipient name/address */ 217 int replying = 0; /* 1 says we are replying to a letter */ 218 char RFC822datestring[60];/* Date in RFC822 date format */ 219 char Rpath[1024]; /* return path to sender of message */ 220 char rmtmsg[] = " remote from %s\n"; 221 char rtrnmsg[] = "***** UNDELIVERABLE MAIL sent to %s, being returned by %s *****\n"; 222 int sav_errno; 223 char savefile[MAXFILENAME]; /* holds filename of save file */ 224 void (*saveint)(); 225 /* Any header line prefixes listed here WILL be displayed in default mode */ 226 /* If it's not here, it won't be shown. Can be overridden via 'P' command */ 227 /* at ? prompt */ 228 char *seldisp[] = { 229 "Cc:", 230 "Bcc:", 231 "Paper-", 232 "Phone:", 233 "Message-", 234 "Original-", 235 "Confirming-", 236 "Delivered-", 237 "Deliverable-", 238 "Not-", 239 "En-Route-To:", 240 0 241 }; 242 int sending; /* TRUE==>sending mail; FALSE==>printing mail */ 243 char m_sendto[1024]; 244 jmp_buf sjbuf; 245 int surg_rc = 0; /* exit code of surrogate command */ 246 int surr_len = 0; 247 char *SURRcmdstr = (char *)NULL; /* save in case of FAILURE */ 248 FILE *SURRerrfile; /* stderr from surrogate in case of FAILURE */ 249 char *thissys; /* Holds name of the system we are on */ 250 FILE *tmpf; /* file pointer for temporary files */ 251 mode_t umsave; 252 struct utsname utsn; 253 static struct utimbuf utims; 254 struct utimbuf *utimep = &utims; 255 char uval[1024]; 256 257 int init() 258 { 259 utims.actime = utims.modtime = -1; 260 return (xsetenv(mailcnfg)); 261 } 262