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 1.3 2003/10/04 20:36:48 hmp 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;
64 * Set up a reasonable environment.
65 * Figure out whether we are being run interactively,
66 * start the SIGCHLD catcher, and so forth.
68 (void)signal(SIGCHLD, sigchild);
70 assign("interactive", "");
73 * Now, determine how we are being used.
74 * We successively pick off - flags.
75 * If there is anything left, it is the base of the list
76 * of users to mail to. Argp will be set to point to the
77 * first of these users.
85 while ((i = getopt(argc, argv, "EINT:b:c:dfins:u:v")) != -1) {
89 * Next argument is temp file to write which
90 * articles have been read/deleted for netnews.
93 if ((i = open(Tflag, O_CREAT | O_TRUNC | O_WRONLY,
100 * Next argument is person to pretend to be.
107 * User wants to ignore interrupts.
108 * Set the variable "ignore"
110 assign("ignore", "");
117 * Give a subject field for sending from
124 * User is specifying file to "edit" with Mail,
125 * as opposed to reading system mailbox.
126 * If no argument is given after -f, we read his
129 * getopt() can't handle optional arguments, so here
130 * is an ugly hack to get around it.
132 if ((argv[optind] != NULL) && (argv[optind][0] != '-'))
139 * User doesn't want to source /usr/lib/Mail.rc
145 * Avoid initial header printing.
147 assign("noheader", "");
151 * Send mailer verbose flag
153 assign("verbose", "");
159 assign("interactive", "");
163 * Get Carbon Copy Recipient list
165 cc = cat(cc, nalloc(optarg, GCC));
169 * Get Blind Carbon Copy Recipient list
171 bcc = cat(bcc, nalloc(optarg, GBCC));
175 * Don't send empty files.
177 assign("dontsendempty", "");
181 Usage: %s [-EiInv] [-s subject] [-c cc-addr] [-b bcc-addr] to-addr ...\n\
182 %*s [- sendmail-options ...]\n\
183 %s [-EiInNv] -f [name]\n\
184 %s [-EiInNv] [-u user]\n",__progname, strlen(__progname), "",
185 __progname, __progname);
189 for (i = optind; (argv[i] != NULL) && (*argv[i] != '-'); i++)
190 to = cat(to, nalloc(argv[i], GTO));
191 for (; argv[i] != NULL; i++)
192 smopts = cat(smopts, nalloc(argv[i], 0));
194 * Check for inconsistent arguments.
196 if (to == NULL && (subject != NULL || cc != NULL || bcc != NULL))
197 errx(1, "You must specify direct recipients with -s, -c, or -b.");
198 if (ef != NULL && to != NULL)
199 errx(1, "Cannot give -f and people to send to.");
208 if ((path_rc = malloc(sizeof(_PATH_MASTER_RC))) == NULL)
209 err(1, "malloc(path_rc) failed");
211 strcpy(path_rc, _PATH_MASTER_RC);
212 while ((s = strsep(&path_rc, ":")) != NULL)
217 * Expand returns a savestr, but load only uses the file name
218 * for fopen, so it's safe to do this.
220 if ((rc = getenv("MAILRC")) == NULL)
224 replyto = value("REPLYTO");
226 mail(to, cc, bcc, smopts, subject, replyto);
233 * Ok, we are reading mail.
234 * Decide whether we are editing a mailbox or reading
235 * the system mailbox, and open up the right stuff.
240 exit(1); /* error already reported */
241 if (setjmp(hdrjmp) == 0) {
242 if ((prevint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
243 (void)signal(SIGINT, hdrstop);
244 if (value("quiet") == NULL)
245 printf("Mail version %s. Type ? for help.\n",
248 (void)fflush(stdout);
249 (void)signal(SIGINT, prevint);
252 (void)signal(SIGHUP, SIG_IGN);
253 (void)signal(SIGINT, SIG_IGN);
254 (void)signal(SIGQUIT, SIG_IGN);
260 * Interrupt printing of the headers.
267 (void)fflush(stdout);
268 fprintf(stderr, "\nInterrupt\n");
273 * Compute what the screen size for printing headers should be.
274 * We use the following algorithm for the height:
275 * If baud rate < 1200, use 9
276 * If baud rate = 1200, use 14
277 * If baud rate > 1200, use 24 or ws_row
278 * Width is either 80 or ws_col;
287 if (ioctl(1, TIOCGWINSZ, (char *)&ws) < 0)
288 ws.ws_col = ws.ws_row = 0;
289 if (tcgetattr(1, &tbuf) < 0)
292 speed = cfgetospeed(&tbuf);
295 else if (speed == B1200)
297 else if (ws.ws_row != 0)
298 screenheight = ws.ws_row;
301 if ((realscreenheight = ws.ws_row) == 0)
302 realscreenheight = 24;
303 if ((screenwidth = ws.ws_col) == 0)