int
main(int argc, char *argv[])
{
char tty[PATH_MAX], *mytty, *cp;
int msgsok, myttyfd;
time_t atime;
uid_t myuid;
/* check that sender has write enabled */
if (isatty(fileno(stdin)))
myttyfd = fileno(stdin);
else if (isatty(fileno(stdout)))
myttyfd = fileno(stdout);
else if (isatty(fileno(stderr)))
myttyfd = fileno(stderr);
else
errx(1, "can't find your tty");
if (!(mytty = ttyname(myttyfd)))
errx(1, "can't find your tty's name");
if ((cp = strrchr(mytty, '/')))
mytty = cp + 1;
if (term_chk(mytty, &msgsok, &atime, 1))
exit(1);
if (!msgsok)
warnx("you have write permission turned off");
myuid = getuid();
/* check args */
switch (argc) {
case 2:
search_utmp(argv[1], tty, sizeof tty, mytty, myuid);
do_write(tty, mytty, myuid);
break;
case 3:
if (!strncmp(argv[2], _PATH_DEV, sizeof(_PATH_DEV) - 1))
argv[2] += sizeof(_PATH_DEV) - 1;
if (utmp_chk(argv[1], argv[2]))
errx(1, "%s is not logged in on %s",
argv[1], argv[2]);
if (term_chk(argv[2], &msgsok, &atime, 1))
exit(1);
if (myuid && !msgsok)
errx(1, "%s has messages disabled on %s",
argv[1], argv[2]);
do_write(argv[2], mytty, myuid);
break;
default:
(void)fprintf(stderr, "usage: write user [ttyname]\n");
exit(1);
}
done(0);
/* NOTREACHED */
return (0);
}
int
main(int argc, char **argv)
{
time_t atime;
uid_t myuid;
int msgsok, mymsgok, myttyfd;
char tty[MAXPATHLEN], *mytty;
setlocale(LC_CTYPE, "");
/* check that sender has write enabled */
if (isatty(fileno(stdin)))
myttyfd = fileno(stdin);
else if (isatty(fileno(stdout)))
myttyfd = fileno(stdout);
else if (isatty(fileno(stderr)))
myttyfd = fileno(stderr);
else
errx(1, "can't find your tty");
if (!(mytty = ttyname(myttyfd)))
errx(1, "can't find your tty's name");
if (!strncmp(mytty, _PATH_DEV, strlen(_PATH_DEV)))
mytty += strlen(_PATH_DEV);
if (term_chk(mytty, &mymsgok, &atime, 1))
exit(1);
if (!mymsgok)
warnx("you have write permission turned off (man mesg)");
myuid = getuid();
/* check args */
switch (argc) {
case 2:
search_utmp(argv[1], tty, sizeof tty, mytty, myuid);
do_write(tty, mytty, myuid, &mymsgok);
break;
case 3:
if (!strncmp(argv[2], _PATH_DEV, strlen(_PATH_DEV)))
argv[2] += strlen(_PATH_DEV);
if (utmp_chk(argv[1], argv[2]))
errx(1, "%s is not logged in on %s", argv[1], argv[2]);
if (term_chk(argv[2], &msgsok, &atime, 1))
exit(1);
if (myuid && !msgsok)
errx(1, "%s has messages disabled on %s", argv[1], argv[2]);
do_write(argv[2], mytty, myuid, &mymsgok);
break;
default:
usage();
}
done(0);
return (0);
}
