Merge in our changes from src/libexec/mail.local. This version doesn't
violate disk quotas, has more robust locking, is still being developed, etc. The main changes merged in were the ability to not fsync() the mailbox, not do biff/comsat broadcasts, man page fixes.
This commit is contained in:
peter
parent
92eff01ac5
commit
3349a6e3b3
@ -1,9 +1,13 @@
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# @(#)Makefile 8.1 (Berkeley) 7/19/93
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PROG= mail.local
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MAN8= mail.local.0
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MAN8= mail.local.8
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.if defined(DONT_FSYNC)
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CFLAGS+= -DDONT_FSYNC
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.endif
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BINOWN= root
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BINMODE=4555
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INSTALLFLAGS=-fschg
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BINDIR= /usr/libexec
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.include <bsd.prog.mk>
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@ -30,6 +30,7 @@
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)mail.local.8 8.2 (Berkeley) 12/11/93
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.\" $Id$
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.\"
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.Dd December 11, 1993
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.Dt MAIL.LOCAL 8
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@ -40,6 +41,7 @@
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.Sh SYNOPSIS
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.Nm mail.local
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.Op Fl f Ar from
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.Op Fl b
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.Ar user ...
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.Sh DESCRIPTION
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.Nm Mail.local
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@ -55,6 +57,10 @@ The options are as follows:
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.Bl -tag -width xxxfrom
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.It Fl f Ar from
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Specify the sender's name.
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.It Fl b
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Turn off the attempts to notify the
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.Dq biff
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service.
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.El
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.Pp
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Individual mail messages in the mailbox are delimited by an empty
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@ -90,7 +96,6 @@ user's mailbox directory
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.El
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.Sh SEE ALSO
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.Xr mail 1 ,
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.Xr xsend 1 ,
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.Xr flock 2 ,
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.Xr getservbyname 3 ,
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.Xr comsat 8 ,
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@ -29,6 +29,8 @@
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef lint
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@ -174,9 +176,9 @@ extern FILE *fdopen __P((int, const char *));
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int eval = EX_OK; /* sysexits.h error value. */
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void deliver __P((int, char *));
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void deliver __P((int, char *, int));
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void e_to_sys __P((int));
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__dead void err __P((const char *, ...));
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void err __P((const char *, ...)) __dead2;
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void notifybiff __P((char *));
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int store __P((char *));
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void usage __P((void));
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@ -191,7 +193,7 @@ main(argc, argv)
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char *argv[];
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{
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struct passwd *pw;
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int ch, fd;
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int ch, fd, nobiff;
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uid_t uid;
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char *from;
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extern char *optarg;
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@ -211,8 +213,12 @@ main(argc, argv)
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#endif
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from = NULL;
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while ((ch = getopt(argc, argv, "df:r:")) != EOF)
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nobiff = 0;
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while ((ch = getopt(argc, argv, "bdf:r:")) != EOF)
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switch(ch) {
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case 'b':
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nobiff++;
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break;
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case 'd': /* Backward compatible. */
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break;
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case 'f':
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@ -253,7 +259,7 @@ main(argc, argv)
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* at the expense of repeated failures and multiple deliveries.
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*/
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for (fd = store(from); *argv; ++argv)
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deliver(fd, *argv);
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deliver(fd, *argv, nobiff);
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exit(eval);
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}
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@ -308,8 +314,8 @@ store(from)
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}
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void
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deliver(fd, name)
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int fd;
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deliver(fd, name, nobiff)
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int fd, nobiff;
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char *name;
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{
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struct stat fsb, sb;
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@ -418,11 +424,13 @@ deliver(fd, name)
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goto err1;
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}
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/* Get the starting offset of the new message for biff. */
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curoff = lseek(mbfd, (off_t)0, SEEK_END);
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(void)snprintf(biffmsg, sizeof(biffmsg),
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sizeof curoff > sizeof(long) ? "%s@%qd\n" : "%s@%ld\n",
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name, curoff);
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if (!nobiff) {
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/* Get the starting offset of the new message for biff. */
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curoff = lseek(mbfd, (off_t)0, SEEK_END);
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(void)snprintf(biffmsg, sizeof(biffmsg),
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sizeof curoff > sizeof(long) ? "%s@%qd\n" : "%s@%ld\n",
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name, curoff);
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}
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/* Copy the message into the file. */
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if (lseek(fd, (off_t)0, SEEK_SET) == (off_t)-1) {
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@ -449,13 +457,6 @@ deliver(fd, name)
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if (nr < 0) {
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e_to_sys(errno);
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warn("temporary file: %s", strerror(errno));
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goto err3;
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}
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/* Flush to disk, don't wait for update. */
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if (fsync(mbfd)) {
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e_to_sys(errno);
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warn("%s: %s", path, strerror(errno));
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err3:
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if (setreuid(0, 0) < 0) {
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e_to_sys(errno);
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@ -469,6 +470,15 @@ err1: (void)close(mbfd);
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err0: unlockmbox();
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return;
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}
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#if !defined(DONT_FSYNC)
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/* Flush to disk, don't wait for update. */
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if (fsync(mbfd)) {
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e_to_sys(errno);
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warn("%s: %s", path, strerror(errno));
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goto err3;
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}
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#endif
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/* Close and check -- NFS doesn't write until the close. */
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if (close(mbfd)) {
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@ -486,7 +496,8 @@ err0: unlockmbox();
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printf("reset euid = %d\n", geteuid());
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#endif
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unlockmbox();
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notifybiff(biffmsg);
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if (!nobiff)
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notifybiff(biffmsg);
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}
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/*
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@ -577,7 +588,7 @@ void
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usage()
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{
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eval = EX_USAGE;
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err("usage: mail.local [-f from] user ...");
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err("usage: mail.local [-b] [-f from] user ...");
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}
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#if __STDC__
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