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/*
* Copyright (c) 2017 Gilles Chehade <gilles@poolp.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
int
main(int argc, char *argv[])
{
int ch;
int ret;
if (! geteuid())
errx(1, "mail.mda: may not be executed as root");
while ((ch = getopt(argc, argv, "")) != -1) {
switch (ch) {
default:
break;
}
}
argc -= optind;
argv += optind;
if (argc == 0)
errx(1, "mail.mda: command required");
if (argc > 1)
errx(1, "mail.mda: only one command is supported");
/* could not obtain a shell or could not obtain wait status,
* tempfail */
if ((ret = system(argv[0])) == -1)
errx(EX_TEMPFAIL, "%s", strerror(errno));
/* not exited properly but we have no details,
* tempfail */
if (! WIFEXITED(ret))
exit(EX_TEMPFAIL);
exit(WEXITSTATUS(ret));
}
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