2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static char copyright[] =
36 "@(#) Copyright (c) 1980, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/20/95";
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD: src/usr.bin/mail/main.c,v 1.6.2.5 2003/01/06 05:46:03 mikeh Exp $");
53 * Mail -- a mail program
55 * Startup -- interface with user.
60 extern const char *version;
68 struct name *to, *cc, *bcc, *smopts;
69 char *subject, *replyto;
75 * Set up a reasonable environment.
76 * Figure out whether we are being run interactively,
77 * start the SIGCHLD catcher, and so forth.
79 (void)signal(SIGCHLD, sigchild);
81 assign("interactive", "");
84 * Now, determine how we are being used.
85 * We successively pick off - flags.
86 * If there is anything left, it is the base of the list
87 * of users to mail to. Argp will be set to point to the
88 * first of these users.
96 while ((i = getopt(argc, argv, "EINT:b:c:dfins:u:v")) != -1) {
100 * Next argument is temp file to write which
101 * articles have been read/deleted for netnews.
104 if ((i = open(Tflag, O_CREAT | O_TRUNC | O_WRONLY,
111 * Next argument is person to pretend to be.
118 * User wants to ignore interrupts.
119 * Set the variable "ignore"
121 assign("ignore", "");
128 * Give a subject field for sending from
135 * User is specifying file to "edit" with Mail,
136 * as opposed to reading system mailbox.
137 * If no argument is given after -f, we read his
140 * getopt() can't handle optional arguments, so here
141 * is an ugly hack to get around it.
143 if ((argv[optind] != NULL) && (argv[optind][0] != '-'))
150 * User doesn't want to source /usr/lib/Mail.rc
156 * Avoid initial header printing.
158 assign("noheader", "");
162 * Send mailer verbose flag
164 assign("verbose", "");
170 assign("interactive", "");
174 * Get Carbon Copy Recipient list
176 cc = cat(cc, nalloc(optarg, GCC));
180 * Get Blind Carbon Copy Recipient list
182 bcc = cat(bcc, nalloc(optarg, GBCC));
186 * Don't send empty files.
188 assign("dontsendempty", "");
192 Usage: %s [-EiInv] [-s subject] [-c cc-addr] [-b bcc-addr] to-addr ...\n\
193 %*s [- sendmail-options ...]\n\
194 %s [-EiInNv] -f [name]\n\
195 %s [-EiInNv] [-u user]\n",__progname, strlen(__progname), "",
196 __progname, __progname);
200 for (i = optind; (argv[i] != NULL) && (*argv[i] != '-'); i++)
201 to = cat(to, nalloc(argv[i], GTO));
202 for (; argv[i] != NULL; i++)
203 smopts = cat(smopts, nalloc(argv[i], 0));
205 * Check for inconsistent arguments.
207 if (to == NULL && (subject != NULL || cc != NULL || bcc != NULL))
208 errx(1, "You must specify direct recipients with -s, -c, or -b.");
209 if (ef != NULL && to != NULL)
210 errx(1, "Cannot give -f and people to send to.");
219 if ((path_rc = malloc(sizeof(_PATH_MASTER_RC))) == NULL)
220 err(1, "malloc(path_rc) failed");
222 strcpy(path_rc, _PATH_MASTER_RC);
223 while ((s = strsep(&path_rc, ":")) != NULL)
228 * Expand returns a savestr, but load only uses the file name
229 * for fopen, so it's safe to do this.
231 if ((rc = getenv("MAILRC")) == NULL)
235 replyto = value("REPLYTO");
237 mail(to, cc, bcc, smopts, subject, replyto);
244 * Ok, we are reading mail.
245 * Decide whether we are editing a mailbox or reading
246 * the system mailbox, and open up the right stuff.
251 exit(1); /* error already reported */
252 if (setjmp(hdrjmp) == 0) {
253 if ((prevint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
254 (void)signal(SIGINT, hdrstop);
255 if (value("quiet") == NULL)
256 printf("Mail version %s. Type ? for help.\n",
259 (void)fflush(stdout);
260 (void)signal(SIGINT, prevint);
263 (void)signal(SIGHUP, SIG_IGN);
264 (void)signal(SIGINT, SIG_IGN);
265 (void)signal(SIGQUIT, SIG_IGN);
271 * Interrupt printing of the headers.
279 (void)fflush(stdout);
280 fprintf(stderr, "\nInterrupt\n");
285 * Compute what the screen size for printing headers should be.
286 * We use the following algorithm for the height:
287 * If baud rate < 1200, use 9
288 * If baud rate = 1200, use 14
289 * If baud rate > 1200, use 24 or ws_row
290 * Width is either 80 or ws_col;
299 if (ioctl(1, TIOCGWINSZ, (char *)&ws) < 0)
300 ws.ws_col = ws.ws_row = 0;
301 if (tcgetattr(1, &tbuf) < 0)
304 speed = cfgetospeed(&tbuf);
307 else if (speed == B1200)
309 else if (ws.ws_row != 0)
310 screenheight = ws.ws_row;
313 if ((realscreenheight = ws.ws_row) == 0)
314 realscreenheight = 24;
315 if ((screenwidth = ws.ws_col) == 0)