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
33 * @(#) Copyright (c) 1980, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)main.c 8.2 (Berkeley) 4/20/95
35 * $FreeBSD: src/usr.bin/mail/main.c,v 1.6.2.5 2003/01/06 05:46:03 mikeh Exp $
36 * $DragonFly: src/usr.bin/mail/main.c,v 1.6 2004/09/08 03:01:11 joerg Exp $
44 * Mail -- a mail program
46 * Startup -- interface with user.
51 extern const char *version;
54 main(int argc, char **argv)
57 struct name *to, *cc, *bcc, *smopts;
58 char *subject, *replyto;
65 * Set up a reasonable environment.
66 * Figure out whether we are being run interactively,
67 * start the SIGCHLD catcher, and so forth.
69 signal(SIGCHLD, sigchild);
71 assign("interactive", "");
74 * Now, determine how we are being used.
75 * We successively pick off - flags.
76 * If there is anything left, it is the base of the list
77 * of users to mail to. Argp will be set to point to the
78 * first of these users.
86 while ((i = getopt(argc, argv, "FEHINT:b:c:edfins:u:v")) != -1) {
90 * Next argument is temp file to write which
91 * articles have been read/deleted for netnews.
94 if ((i = open(Tflag, O_CREAT | O_TRUNC | O_WRONLY,
101 * Next argument is person to pretend to be.
108 * User wants to ignore interrupts.
109 * Set the variable "ignore"
111 assign("ignore", "");
118 * User wants to check mail and exit.
120 assign("checkmode", "");
124 * User wants a header summary only.
126 assign("headersummary", "");
130 * User wants to record messages to files
131 * named after first recipient username.
133 assign("recordrecip", "");
137 * Give a subject field for sending from
144 * User is specifying file to "edit" with Mail,
145 * as opposed to reading system mailbox.
146 * If no argument is given after -f, we read his
149 * getopt() can't handle optional arguments, so here
150 * is an ugly hack to get around it.
152 if ((argv[optind] != NULL) && (argv[optind][0] != '-'))
159 * User doesn't want to source /usr/lib/Mail.rc
165 * Avoid initial header printing.
167 assign("noheader", "");
171 * Send mailer verbose flag
173 assign("verbose", "");
179 assign("interactive", "");
183 * Get Carbon Copy Recipient list
185 cc = cat(cc, nalloc(optarg, GCC));
189 * Get Blind Carbon Copy Recipient list
191 bcc = cat(bcc, nalloc(optarg, GBCC));
195 * Don't send empty files.
197 assign("dontsendempty", "");
200 progname = getprogname();
202 "Usage: %s [-EiInv] [-s subject] [-c cc-addr] [-b bcc-addr] [-F] to-addr ...\n"
203 " %*s [- sendmail-options ...]\n"
204 " %s [-EHiInNv] [-F] -f [name]\n"
205 " %s [-EHiInNv] [-F] [-u user]\n"
207 " %s -H\n", progname, strlen(progname), "",
208 progname, progname, progname, progname);
212 for (i = optind; (argv[i] != NULL) && (*argv[i] != '-'); i++)
213 to = cat(to, nalloc(argv[i], GTO));
214 for (; argv[i] != NULL; i++)
215 smopts = cat(smopts, nalloc(argv[i], 0));
217 * Check for inconsistent arguments.
219 if (to == NULL && (subject != NULL || cc != NULL || bcc != NULL))
220 errx(1, "You must specify direct recipients with -s, -c, or -b.");
221 if (ef != NULL && to != NULL)
222 errx(1, "Cannot give -f and people to send to.");
231 if ((path_rc = malloc(sizeof(_PATH_MASTER_RC))) == NULL)
232 err(1, "malloc(path_rc) failed");
234 strcpy(path_rc, _PATH_MASTER_RC);
235 while ((s = strsep(&path_rc, ":")) != NULL)
240 * Expand returns a savestr, but load only uses the file name
241 * for fopen, so it's safe to do this.
243 if ((rc = getenv("MAILRC")) == NULL)
247 replyto = value("REPLYTO");
249 mail(to, cc, bcc, smopts, subject, replyto);
256 if (value("checkmode") != NULL) {
259 if (setfile(ef) <= 0) {
260 /* Either an error has occured, or no mail. */
268 * Ok, we are reading mail.
269 * Decide whether we are editing a mailbox or reading
270 * the system mailbox, and open up the right stuff.
275 exit(1); /* error already reported */
276 if (setjmp(hdrjmp) == 0) {
277 if ((prevint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
278 signal(SIGINT, hdrstop);
279 if (value("quiet") == NULL)
280 printf("Mail version %s. Type ? for help.\n",
284 signal(SIGINT, prevint);
287 /* If we were in header summary mode, it's time to exit. */
288 if (value("headersummary") != NULL)
292 signal(SIGHUP, SIG_IGN);
293 signal(SIGINT, SIG_IGN);
294 signal(SIGQUIT, SIG_IGN);
300 * Interrupt printing of the headers.
307 fprintf(stderr, "\nInterrupt\n");
312 * Compute what the screen size for printing headers should be.
313 * We use the following algorithm for the height:
314 * If baud rate < 1200, use 9
315 * If baud rate = 1200, use 14
316 * If baud rate > 1200, use 24 or ws_row
317 * Width is either 80 or ws_col;
326 if (ioctl(1, TIOCGWINSZ, (char *)&ws) < 0)
327 ws.ws_col = ws.ws_row = 0;
328 if (tcgetattr(1, &tbuf) < 0)
331 speed = cfgetospeed(&tbuf);
334 else if (speed == B1200)
336 else if (ws.ws_row != 0)
337 screenheight = ws.ws_row;
340 if ((realscreenheight = ws.ws_row) == 0)
341 realscreenheight = 24;
342 if ((screenwidth = ws.ws_col) == 0)