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 1.2 2003/06/17 04:29:28 dillon Exp $
44 * Mail -- a mail program
46 * Startup -- interface with user.
51 extern const char *version;
59 struct name *to, *cc, *bcc, *smopts;
60 char *subject, *replyto;
66 * Set up a reasonable environment.
67 * Figure out whether we are being run interactively,
68 * start the SIGCHLD catcher, and so forth.
70 (void)signal(SIGCHLD, sigchild);
72 assign("interactive", "");
75 * Now, determine how we are being used.
76 * We successively pick off - flags.
77 * If there is anything left, it is the base of the list
78 * of users to mail to. Argp will be set to point to the
79 * first of these users.
87 while ((i = getopt(argc, argv, "EINT:b:c:dfins:u:v")) != -1) {
91 * Next argument is temp file to write which
92 * articles have been read/deleted for netnews.
95 if ((i = open(Tflag, O_CREAT | O_TRUNC | O_WRONLY,
102 * Next argument is person to pretend to be.
109 * User wants to ignore interrupts.
110 * Set the variable "ignore"
112 assign("ignore", "");
119 * Give a subject field for sending from
126 * User is specifying file to "edit" with Mail,
127 * as opposed to reading system mailbox.
128 * If no argument is given after -f, we read his
131 * getopt() can't handle optional arguments, so here
132 * is an ugly hack to get around it.
134 if ((argv[optind] != NULL) && (argv[optind][0] != '-'))
141 * User doesn't want to source /usr/lib/Mail.rc
147 * Avoid initial header printing.
149 assign("noheader", "");
153 * Send mailer verbose flag
155 assign("verbose", "");
161 assign("interactive", "");
165 * Get Carbon Copy Recipient list
167 cc = cat(cc, nalloc(optarg, GCC));
171 * Get Blind Carbon Copy Recipient list
173 bcc = cat(bcc, nalloc(optarg, GBCC));
177 * Don't send empty files.
179 assign("dontsendempty", "");
183 Usage: %s [-EiInv] [-s subject] [-c cc-addr] [-b bcc-addr] to-addr ...\n\
184 %*s [- sendmail-options ...]\n\
185 %s [-EiInNv] -f [name]\n\
186 %s [-EiInNv] [-u user]\n",__progname, strlen(__progname), "",
187 __progname, __progname);
191 for (i = optind; (argv[i] != NULL) && (*argv[i] != '-'); i++)
192 to = cat(to, nalloc(argv[i], GTO));
193 for (; argv[i] != NULL; i++)
194 smopts = cat(smopts, nalloc(argv[i], 0));
196 * Check for inconsistent arguments.
198 if (to == NULL && (subject != NULL || cc != NULL || bcc != NULL))
199 errx(1, "You must specify direct recipients with -s, -c, or -b.");
200 if (ef != NULL && to != NULL)
201 errx(1, "Cannot give -f and people to send to.");
210 if ((path_rc = malloc(sizeof(_PATH_MASTER_RC))) == NULL)
211 err(1, "malloc(path_rc) failed");
213 strcpy(path_rc, _PATH_MASTER_RC);
214 while ((s = strsep(&path_rc, ":")) != NULL)
219 * Expand returns a savestr, but load only uses the file name
220 * for fopen, so it's safe to do this.
222 if ((rc = getenv("MAILRC")) == NULL)
226 replyto = value("REPLYTO");
228 mail(to, cc, bcc, smopts, subject, replyto);
235 * Ok, we are reading mail.
236 * Decide whether we are editing a mailbox or reading
237 * the system mailbox, and open up the right stuff.
242 exit(1); /* error already reported */
243 if (setjmp(hdrjmp) == 0) {
244 if ((prevint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
245 (void)signal(SIGINT, hdrstop);
246 if (value("quiet") == NULL)
247 printf("Mail version %s. Type ? for help.\n",
250 (void)fflush(stdout);
251 (void)signal(SIGINT, prevint);
254 (void)signal(SIGHUP, SIG_IGN);
255 (void)signal(SIGINT, SIG_IGN);
256 (void)signal(SIGQUIT, SIG_IGN);
262 * Interrupt printing of the headers.
270 (void)fflush(stdout);
271 fprintf(stderr, "\nInterrupt\n");
276 * Compute what the screen size for printing headers should be.
277 * We use the following algorithm for the height:
278 * If baud rate < 1200, use 9
279 * If baud rate = 1200, use 14
280 * If baud rate > 1200, use 24 or ws_row
281 * Width is either 80 or ws_col;
290 if (ioctl(1, TIOCGWINSZ, (char *)&ws) < 0)
291 ws.ws_col = ws.ws_row = 0;
292 if (tcgetattr(1, &tbuf) < 0)
295 speed = cfgetospeed(&tbuf);
298 else if (speed == B1200)
300 else if (ws.ws_row != 0)
301 screenheight = ws.ws_row;
304 if ((realscreenheight = ws.ws_row) == 0)
305 realscreenheight = 24;
306 if ((screenwidth = ws.ws_col) == 0)