1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
28*0Sstevel@tonic-gate * Use is subject to license terms.
29*0Sstevel@tonic-gate */
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate * All global externs defined in mail.h. All variables are initialized
35*0Sstevel@tonic-gate * here!
36*0Sstevel@tonic-gate *
37*0Sstevel@tonic-gate * !!!!!IF YOU CHANGE (OR ADD) IT HERE, DO IT THERE ALSO !!!!!!!!
38*0Sstevel@tonic-gate *
39*0Sstevel@tonic-gate */
40*0Sstevel@tonic-gate #include "mail.h"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate int ac; /* argument list count */
43*0Sstevel@tonic-gate char **av; /* argument list */
44*0Sstevel@tonic-gate int affbytecnt; /* Total bytes of Auto-Fwd. info in msg. */
45*0Sstevel@tonic-gate int affcnt; /* Number of Auto-Fwd.-From: lines in msg. */
46*0Sstevel@tonic-gate int Daffbytecnt; /* Hold affbytecnt when sending Delivery Notification */
47*0Sstevel@tonic-gate int Daffcnt; /* Hold affcnt when sending Delivery Notification */
48*0Sstevel@tonic-gate char binmsg[] = "*** Message content is not printable: delete, write or save it to a file ***";
49*0Sstevel@tonic-gate int changed; /* > 0 says mailfile has changed */
50*0Sstevel@tonic-gate char datestring[60]; /* Today's date and time */
51*0Sstevel@tonic-gate char dbgfname[20];
52*0Sstevel@tonic-gate FILE *dbgfp;
53*0Sstevel@tonic-gate char dead[] = "/dead.letter"; /* name of dead.letter */
54*0Sstevel@tonic-gate int debug; /* Controls debugging level. 0 ==> no debugging */
55*0Sstevel@tonic-gate int delflg = 1;
56*0Sstevel@tonic-gate int dflag = 0; /* 1 says returning unsendable mail */
57*0Sstevel@tonic-gate char *errlist[]= {
58*0Sstevel@tonic-gate "",
59*0Sstevel@tonic-gate "Unknown system",
60*0Sstevel@tonic-gate "Problem with mailfile",
61*0Sstevel@tonic-gate "Space problem",
62*0Sstevel@tonic-gate "Unable to forward mail, check permissions and group",
63*0Sstevel@tonic-gate "Syntax error",
64*0Sstevel@tonic-gate "Forwarding loop",
65*0Sstevel@tonic-gate "Invalid sender",
66*0Sstevel@tonic-gate "Invalid recipient",
67*0Sstevel@tonic-gate "Too many From lines",
68*0Sstevel@tonic-gate "Invalid permissions",
69*0Sstevel@tonic-gate "Cannot open mbox",
70*0Sstevel@tonic-gate "Temporary file problem",
71*0Sstevel@tonic-gate "Cannot create dead.letter",
72*0Sstevel@tonic-gate "Unbounded forwarding",
73*0Sstevel@tonic-gate "Cannot create lock file",
74*0Sstevel@tonic-gate "No group id of 'mail'",
75*0Sstevel@tonic-gate "Problem allocating memory",
76*0Sstevel@tonic-gate "Could not fork",
77*0Sstevel@tonic-gate "Cannot pipe",
78*0Sstevel@tonic-gate "Must be owner to modify mailfile",
79*0Sstevel@tonic-gate "Permission denied by /etc/mail/mailsurr file",
80*0Sstevel@tonic-gate "Surrogate command failed"
81*0Sstevel@tonic-gate };
82*0Sstevel@tonic-gate int error = 0; /* Local value for error */
83*0Sstevel@tonic-gate char *failsafe; /* $FAILSAFE */
84*0Sstevel@tonic-gate int file_size;
85*0Sstevel@tonic-gate int flge = 0; /* 1 ==> 'e' option specified */
86*0Sstevel@tonic-gate int flgE = 0; /* 1 ==> 'E' option specified */
87*0Sstevel@tonic-gate int flgF = 0; /* 1 ==> Installing/Removing Forwarding */
88*0Sstevel@tonic-gate int flgf = 0; /* 1 ==> 'f' option specified */
89*0Sstevel@tonic-gate int flgh = 0; /* 1 ==> 'h' option specified */
90*0Sstevel@tonic-gate int flgm;
91*0Sstevel@tonic-gate int flgp = 0; /* 1 ==> 'p' option specified */
92*0Sstevel@tonic-gate int flgP = 0; /* 1 ==> 'P' option specified */
93*0Sstevel@tonic-gate int flgr = 0; /* 1 ==> 'r' option -- print in fifo order */
94*0Sstevel@tonic-gate int flgt = 0; /* 1 ==> 't' option -- add To: line to letter */
95*0Sstevel@tonic-gate int flgT = 0; /* 1 ==> 'T' option specified */
96*0Sstevel@tonic-gate int flgw = 0; /* 1 ==> 'w' option specified */
97*0Sstevel@tonic-gate int fnuhdrtype = 0; /* type of first non-UNIX header line */
98*0Sstevel@tonic-gate char forwmsg[] = " forwarded by %s\n";
99*0Sstevel@tonic-gate char fromS[1024]; /* stored here by sendmail for sendsurg */
100*0Sstevel@tonic-gate char fromU[1024]; /* stored here by sendmail for sendsurg */
101*0Sstevel@tonic-gate char frwlmsg[] = " %s: Forwarding loop detected in %s's mailfile.\n";
102*0Sstevel@tonic-gate char frwrd[] = "Forward to "; /* forwarding sentinel */
103*0Sstevel@tonic-gate char fwdFrom[1024];
104*0Sstevel@tonic-gate int goerr = 0; /* counts parsing errors */
105*0Sstevel@tonic-gate struct group *grpptr; /* pointer to struct group */
106*0Sstevel@tonic-gate struct hdrlines hdrlines[H_CONT];
107*0Sstevel@tonic-gate /* Default_display indicates whether to display this header line to the TTY */
108*0Sstevel@tonic-gate /* when in default mode. Can be overridden via 'P' command at ? prompt */
109*0Sstevel@tonic-gate struct hdr header[] = {
110*0Sstevel@tonic-gate "", FALSE,
111*0Sstevel@tonic-gate "Auto-Forward-Count:", FALSE,
112*0Sstevel@tonic-gate "Auto-Forwarded-From:", FALSE,
113*0Sstevel@tonic-gate "Content-Length:", TRUE,
114*0Sstevel@tonic-gate "Content-Type:", FALSE,
115*0Sstevel@tonic-gate "Date:", TRUE,
116*0Sstevel@tonic-gate "Default-Options:", FALSE,
117*0Sstevel@tonic-gate "End-of-Header:", FALSE,
118*0Sstevel@tonic-gate "From ", TRUE,
119*0Sstevel@tonic-gate ">From ", TRUE,
120*0Sstevel@tonic-gate "From:", TRUE,
121*0Sstevel@tonic-gate "MIME-Version:", FALSE,
122*0Sstevel@tonic-gate "MTS-Message-ID:", FALSE,
123*0Sstevel@tonic-gate "Message-Type:", FALSE,
124*0Sstevel@tonic-gate "Message-Version:", FALSE,
125*0Sstevel@tonic-gate "Message-Service:", TRUE,
126*0Sstevel@tonic-gate "Received:", FALSE,
127*0Sstevel@tonic-gate "Report-Version:", FALSE,
128*0Sstevel@tonic-gate "Subject:", TRUE,
129*0Sstevel@tonic-gate "To:", TRUE,
130*0Sstevel@tonic-gate ">To:", FALSE,
131*0Sstevel@tonic-gate "Transport-Options:", FALSE,
132*0Sstevel@tonic-gate "UA-Content-ID:", FALSE,
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate /*Dummy place holders for H_DAFWDFROM,*/
135*0Sstevel@tonic-gate /*H_DTCOPY and H_RECEIVED. Should */
136*0Sstevel@tonic-gate /* match above first...*/
137*0Sstevel@tonic-gate "Hold-Auto-Forwarded-From:", FALSE,
138*0Sstevel@tonic-gate "Hold->To:", FALSE,
139*0Sstevel@tonic-gate "Hold-Received:", FALSE,
140*0Sstevel@tonic-gate "Continue:", FALSE,
141*0Sstevel@tonic-gate "Name-Value:", FALSE,
142*0Sstevel@tonic-gate };
143*0Sstevel@tonic-gate char *help[] = {
144*0Sstevel@tonic-gate "?\t\tprint this help message\n",
145*0Sstevel@tonic-gate "#\t\tdisplay message number #\n",
146*0Sstevel@tonic-gate "-\t\tprint previous\n",
147*0Sstevel@tonic-gate "+\t\tnext (no delete)\n",
148*0Sstevel@tonic-gate "! cmd\t\texecute cmd\n",
149*0Sstevel@tonic-gate "<CR>\t\tnext (no delete)\n",
150*0Sstevel@tonic-gate "a\t\tposition at and read newly arrived mail\n",
151*0Sstevel@tonic-gate "d [#]\t\tdelete message # (default current message)\n",
152*0Sstevel@tonic-gate "dp\t\tdelete current message and print the next\n",
153*0Sstevel@tonic-gate "dq\t\tdelete current message and exit\n",
154*0Sstevel@tonic-gate "h a\t\tdisplay all headers\n",
155*0Sstevel@tonic-gate "h d\t\tdisplay headers of letters scheduled for deletion\n",
156*0Sstevel@tonic-gate "h [#]\t\tdisplay headers around # (default current message)\n",
157*0Sstevel@tonic-gate "m user \tmail (and delete) current message to user\n",
158*0Sstevel@tonic-gate "n\t\tnext (no delete)\n",
159*0Sstevel@tonic-gate "p\t\tprint (override any warnings of binary content)\n",
160*0Sstevel@tonic-gate "P\t\toverride default 'brief' mode and display ALL header lines\n",
161*0Sstevel@tonic-gate "q, ^D\t\tquit\n",
162*0Sstevel@tonic-gate "r [args]\treply to (and delete) current letter via mail [args]\n",
163*0Sstevel@tonic-gate "s [files]\tsave (and delete) current message (default mbox)\n",
164*0Sstevel@tonic-gate "u [#]\t\tundelete message # (default current message)\n",
165*0Sstevel@tonic-gate "w [files]\tsave (and delete) current message without header\n",
166*0Sstevel@tonic-gate "x\t\texit without changing mail\n",
167*0Sstevel@tonic-gate "y [files]\tsave (and delete) current message (default mbox)\n",
168*0Sstevel@tonic-gate 0
169*0Sstevel@tonic-gate };
170*0Sstevel@tonic-gate char *hmbox; /* pointer to $HOME/mbox */
171*0Sstevel@tonic-gate char *hmdead; /* pointer to $HOME/dead.letter */
172*0Sstevel@tonic-gate char *home; /* pointer to $HOME */
173*0Sstevel@tonic-gate time_t iop;
174*0Sstevel@tonic-gate int interactive = 0; /* 1 says user is interactive */
175*0Sstevel@tonic-gate int ismail = TRUE; /* default to program=mail */
176*0Sstevel@tonic-gate int deliverflag = FALSE; /* -d flag, skip sendmail
177*0Sstevel@tonic-gate * deliver directly to mailbox
178*0Sstevel@tonic-gate */
179*0Sstevel@tonic-gate int fromflag = FALSE; /* -f from_user, set a user
180*0Sstevel@tonic-gate * when going into a mailbox
181*0Sstevel@tonic-gate */
182*0Sstevel@tonic-gate int keepdbgfile;
183*0Sstevel@tonic-gate struct let let[MAXLET];
184*0Sstevel@tonic-gate char *lettmp; /* pointer to tmp filename */
185*0Sstevel@tonic-gate char lfil[MAXFILENAME];
186*0Sstevel@tonic-gate char line[LSIZE]; /* holds a line of a letter in many places */
187*0Sstevel@tonic-gate char *mailfile; /* pointer to mailfile */
188*0Sstevel@tonic-gate char mailcnfg[] = MAILCNFG; /* configuration file */
189*0Sstevel@tonic-gate char maildir[] = MAILDIR; /* directory for mail files */
190*0Sstevel@tonic-gate gid_t mailgrp; /* numeric id of group 'mail' */
191*0Sstevel@tonic-gate char mailsave[] = SAVEDIR; /* dir for save files */
192*0Sstevel@tonic-gate char *mailsurr = MAILSURR; /* surrogate file name */
193*0Sstevel@tonic-gate FILE *malf; /* File pointer for mailfile */
194*0Sstevel@tonic-gate int maxerr = 0; /* largest value of error */
195*0Sstevel@tonic-gate char mbox[] = "/mbox"; /* name for mbox */
196*0Sstevel@tonic-gate uid_t mf_uid; /* uid of users mailfile */
197*0Sstevel@tonic-gate gid_t mf_gid; /* gid of users mailfile */
198*0Sstevel@tonic-gate char *msgtype;
199*0Sstevel@tonic-gate char my_name[1024]; /* user's name who invoked this command */
200*0Sstevel@tonic-gate char from_user[1024]; /* user's name specified w/ -f when sending */
201*0Sstevel@tonic-gate uid_t my_euid; /* user's euid */
202*0Sstevel@tonic-gate gid_t my_egid; /* user's egid */
203*0Sstevel@tonic-gate uid_t my_uid; /* user's uid */
204*0Sstevel@tonic-gate gid_t my_gid; /* user's gid */
205*0Sstevel@tonic-gate int nlet = 0; /* current number of letters in mailfile */
206*0Sstevel@tonic-gate int onlet = 0; /* number of letters in mailfile at startup*/
207*0Sstevel@tonic-gate int optcnt = 0; /* Number of options specified */
208*0Sstevel@tonic-gate int orig_aff = 0; /* orig. msg. contained H_AFWDFROM lines */
209*0Sstevel@tonic-gate int orig_dbglvl; /* argument to -x invocation option */
210*0Sstevel@tonic-gate int orig_rcv = 0; /* orig. msg. contained H_RECEIVED lines */
211*0Sstevel@tonic-gate int orig_tcopy = 0; /* orig. msg. contained H_TCOPY lines */
212*0Sstevel@tonic-gate struct passwd *pwd; /* holds passwd entry for this user */
213*0Sstevel@tonic-gate int pflg = 0; /* binary message display override flag */
214*0Sstevel@tonic-gate int Pflg = 0; /* Selective display flag; 1 ==> display all */
215*0Sstevel@tonic-gate char *program; /* program name */
216*0Sstevel@tonic-gate int rcvbytecnt; /* Total bytes of Received: info in msg. */
217*0Sstevel@tonic-gate int Drcvbytecnt; /* Hold rcvbytecnt when sending Delivery Notification */
218*0Sstevel@tonic-gate char *recipname; /* full recipient name/address */
219*0Sstevel@tonic-gate int replying = 0; /* 1 says we are replying to a letter */
220*0Sstevel@tonic-gate char RFC822datestring[60];/* Date in RFC822 date format */
221*0Sstevel@tonic-gate char Rpath[1024]; /* return path to sender of message */
222*0Sstevel@tonic-gate char rmtmsg[] = " remote from %s\n";
223*0Sstevel@tonic-gate char rtrnmsg[] = "***** UNDELIVERABLE MAIL sent to %s, being returned by %s *****\n";
224*0Sstevel@tonic-gate int sav_errno;
225*0Sstevel@tonic-gate char savefile[MAXFILENAME]; /* holds filename of save file */
226*0Sstevel@tonic-gate void (*saveint)();
227*0Sstevel@tonic-gate /* Any header line prefixes listed here WILL be displayed in default mode */
228*0Sstevel@tonic-gate /* If it's not here, it won't be shown. Can be overridden via 'P' command */
229*0Sstevel@tonic-gate /* at ? prompt */
230*0Sstevel@tonic-gate char *seldisp[] = {
231*0Sstevel@tonic-gate "Cc:",
232*0Sstevel@tonic-gate "Bcc:",
233*0Sstevel@tonic-gate "Paper-",
234*0Sstevel@tonic-gate "Phone:",
235*0Sstevel@tonic-gate "Message-",
236*0Sstevel@tonic-gate "Original-",
237*0Sstevel@tonic-gate "Confirming-",
238*0Sstevel@tonic-gate "Delivered-",
239*0Sstevel@tonic-gate "Deliverable-",
240*0Sstevel@tonic-gate "Not-",
241*0Sstevel@tonic-gate "En-Route-To:",
242*0Sstevel@tonic-gate 0
243*0Sstevel@tonic-gate };
244*0Sstevel@tonic-gate int sending; /* TRUE==>sending mail; FALSE==>printing mail */
245*0Sstevel@tonic-gate char m_sendto[1024];
246*0Sstevel@tonic-gate jmp_buf sjbuf;
247*0Sstevel@tonic-gate int surg_rc = 0; /* exit code of surrogate command */
248*0Sstevel@tonic-gate int surr_len = 0;
249*0Sstevel@tonic-gate char *SURRcmdstr = (char *)NULL; /* save in case of FAILURE */
250*0Sstevel@tonic-gate FILE *SURRerrfile; /* stderr from surrogate in case of FAILURE */
251*0Sstevel@tonic-gate char *thissys; /* Holds name of the system we are on */
252*0Sstevel@tonic-gate FILE *tmpf; /* file pointer for temporary files */
253*0Sstevel@tonic-gate mode_t umsave;
254*0Sstevel@tonic-gate struct utsname utsn;
255*0Sstevel@tonic-gate static struct utimbuf utims;
256*0Sstevel@tonic-gate struct utimbuf *utimep = &utims;
257*0Sstevel@tonic-gate char uval[1024];
258*0Sstevel@tonic-gate
init()259*0Sstevel@tonic-gate int init()
260*0Sstevel@tonic-gate {
261*0Sstevel@tonic-gate utims.actime = utims.modtime = -1;
262*0Sstevel@tonic-gate return (xsetenv(mailcnfg));
263*0Sstevel@tonic-gate }
264