319 lines
7.5 KiB
C
319 lines
7.5 KiB
C
/* $NetBSD: main.c,v 1.12 2001/02/05 02:07:53 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1980, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/20/95";
|
|
#else
|
|
__RCSID("$NetBSD: main.c,v 1.12 2001/02/05 02:07:53 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#define EXTERN
|
|
#include "rcv.h"
|
|
#undef EXTERN
|
|
|
|
#include "extern.h"
|
|
|
|
extern char *version;
|
|
|
|
int main __P((int, char **));
|
|
|
|
/*
|
|
* Mail -- a mail program
|
|
*
|
|
* Startup -- interface with user.
|
|
*/
|
|
|
|
jmp_buf hdrjmp;
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
int i;
|
|
struct name *to, *cc, *bcc, *smopts;
|
|
char *subject;
|
|
char *ef;
|
|
char nosrc = 0;
|
|
sig_t prevint;
|
|
char *rc;
|
|
|
|
/*
|
|
* Set up a reasonable environment.
|
|
* Figure out whether we are being run interactively,
|
|
* start the SIGCHLD catcher, and so forth.
|
|
*/
|
|
(void) signal(SIGCHLD, sigchild);
|
|
if (isatty(0))
|
|
assign("interactive", "");
|
|
image = -1;
|
|
/*
|
|
* Now, determine how we are being used.
|
|
* We successively pick off - flags.
|
|
* If there is anything left, it is the base of the list
|
|
* of users to mail to. Argp will be set to point to the
|
|
* first of these users.
|
|
*/
|
|
ef = NOSTR;
|
|
to = NIL;
|
|
cc = NIL;
|
|
bcc = NIL;
|
|
smopts = NIL;
|
|
subject = NOSTR;
|
|
while ((i = getopt(argc, argv, "~EINT:b:c:dfins:u:v")) != -1) {
|
|
switch (i) {
|
|
case 'T':
|
|
/*
|
|
* Next argument is temp file to write which
|
|
* articles have been read/deleted for netnews.
|
|
*/
|
|
Tflag = optarg;
|
|
if ((i = creat(Tflag, 0600)) < 0) {
|
|
perror(Tflag);
|
|
exit(1);
|
|
}
|
|
close(i);
|
|
break;
|
|
case 'u':
|
|
/*
|
|
* Next argument is person to pretend to be.
|
|
*/
|
|
myname = optarg;
|
|
unsetenv("MAIL");
|
|
break;
|
|
case 'i':
|
|
/*
|
|
* User wants to ignore interrupts.
|
|
* Set the variable "ignore"
|
|
*/
|
|
assign("ignore", "");
|
|
break;
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
case 's':
|
|
/*
|
|
* Give a subject field for sending from
|
|
* non terminal
|
|
*/
|
|
subject = optarg;
|
|
break;
|
|
case 'f':
|
|
/*
|
|
* User is specifying file to "edit" with Mail,
|
|
* as opposed to reading system mailbox.
|
|
* If no argument is given after -f, we read his
|
|
* mbox file.
|
|
*
|
|
* getopt() can't handle optional arguments, so here
|
|
* is an ugly hack to get around it.
|
|
*/
|
|
if ((argv[optind]) && (argv[optind][0] != '-'))
|
|
ef = argv[optind++];
|
|
else
|
|
ef = "&";
|
|
break;
|
|
case 'n':
|
|
/*
|
|
* User doesn't want to source /usr/lib/Mail.rc
|
|
*/
|
|
nosrc++;
|
|
break;
|
|
case 'N':
|
|
/*
|
|
* Avoid initial header printing.
|
|
*/
|
|
assign("noheader", "");
|
|
break;
|
|
case 'v':
|
|
/*
|
|
* Send mailer verbose flag
|
|
*/
|
|
assign("verbose", "");
|
|
break;
|
|
case 'I':
|
|
case '~':
|
|
/*
|
|
* We're interactive
|
|
*/
|
|
assign("interactive", "");
|
|
break;
|
|
case 'c':
|
|
/*
|
|
* Get Carbon Copy Recipient list
|
|
*/
|
|
cc = cat(cc, nalloc(optarg, GCC));
|
|
break;
|
|
case 'b':
|
|
/*
|
|
* Get Blind Carbon Copy Recipient list
|
|
*/
|
|
bcc = cat(bcc, nalloc(optarg, GBCC));
|
|
break;
|
|
case 'E':
|
|
/*
|
|
* Don't send empty files.
|
|
*/
|
|
assign("dontsendempty", "");
|
|
break;
|
|
case '?':
|
|
fputs("\
|
|
Usage: mail [-EiInv] [-s subject] [-c cc-addr] [-b bcc-addr] to-addr ...\n\
|
|
[- sendmail-options ...]\n\
|
|
mail [-EiInNv] -f [name]\n\
|
|
mail [-EiInNv] [-u user]\n",
|
|
stderr);
|
|
exit(1);
|
|
}
|
|
}
|
|
for (i = optind; (argv[i]) && (*argv[i] != '-'); i++)
|
|
to = cat(to, nalloc(argv[i], GTO));
|
|
for (; argv[i]; i++)
|
|
smopts = cat(smopts, nalloc(argv[i], 0));
|
|
/*
|
|
* Check for inconsistent arguments.
|
|
*/
|
|
if (to == NIL && (subject != NOSTR || cc != NIL || bcc != NIL)) {
|
|
fputs("You must specify direct recipients with -s, -c, or -b.\n", stderr);
|
|
exit(1);
|
|
}
|
|
if (ef != NOSTR && to != NIL) {
|
|
fprintf(stderr, "Cannot give -f and people to send to.\n");
|
|
exit(1);
|
|
}
|
|
tinit();
|
|
setscreensize();
|
|
input = stdin;
|
|
rcvmode = !to;
|
|
spreserve();
|
|
if (!nosrc)
|
|
load(_PATH_MASTER_RC);
|
|
/*
|
|
* Expand returns a savestr, but load only uses the file name
|
|
* for fopen, so it's safe to do this.
|
|
*/
|
|
if ((rc = getenv("MAILRC")) == 0)
|
|
rc = "~/.mailrc";
|
|
load(expand(rc));
|
|
if (!rcvmode) {
|
|
mail(to, cc, bcc, smopts, subject);
|
|
/*
|
|
* why wait?
|
|
*/
|
|
exit(senderr);
|
|
}
|
|
/*
|
|
* Ok, we are reading mail.
|
|
* Decide whether we are editing a mailbox or reading
|
|
* the system mailbox, and open up the right stuff.
|
|
*/
|
|
if (ef == NOSTR)
|
|
ef = "%";
|
|
if (setfile(ef) < 0)
|
|
exit(1); /* error already reported */
|
|
if (setjmp(hdrjmp) == 0) {
|
|
if ((prevint = signal(SIGINT, SIG_IGN)) != SIG_IGN)
|
|
signal(SIGINT, hdrstop);
|
|
if (value("quiet") == NOSTR)
|
|
printf("Mail version %s. Type ? for help.\n",
|
|
version);
|
|
announce();
|
|
fflush(stdout);
|
|
signal(SIGINT, prevint);
|
|
}
|
|
commands();
|
|
signal(SIGHUP, SIG_IGN);
|
|
signal(SIGINT, SIG_IGN);
|
|
signal(SIGQUIT, SIG_IGN);
|
|
quit();
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Interrupt printing of the headers.
|
|
*/
|
|
void
|
|
hdrstop(signo)
|
|
int signo;
|
|
{
|
|
|
|
fflush(stdout);
|
|
fprintf(stderr, "\nInterrupt\n");
|
|
longjmp(hdrjmp, 1);
|
|
}
|
|
|
|
/*
|
|
* Compute what the screen size for printing headers should be.
|
|
* We use the following algorithm for the height:
|
|
* If baud rate < 1200, use 9
|
|
* If baud rate = 1200, use 14
|
|
* If baud rate > 1200, use 24 or ws_row
|
|
* Width is either 80 or ws_col;
|
|
*/
|
|
void
|
|
setscreensize()
|
|
{
|
|
struct termios tbuf;
|
|
struct winsize ws;
|
|
speed_t ospeed;
|
|
|
|
if (ioctl(1, TIOCGWINSZ, (char *) &ws) < 0)
|
|
ws.ws_col = ws.ws_row = 0;
|
|
if (tcgetattr(1, &tbuf) < 0)
|
|
ospeed = 9600;
|
|
else
|
|
ospeed = cfgetospeed(&tbuf);
|
|
if (ospeed < 1200)
|
|
screenheight = 9;
|
|
else if (ospeed == 1200)
|
|
screenheight = 14;
|
|
else if (ws.ws_row != 0)
|
|
screenheight = ws.ws_row;
|
|
else
|
|
screenheight = 24;
|
|
if ((realscreenheight = ws.ws_row) == 0)
|
|
realscreenheight = 24;
|
|
if ((screenwidth = ws.ws_col) == 0)
|
|
screenwidth = 80;
|
|
}
|