2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2013 Hudson River Trading LLC
5 * Written by: John H. Baldwin <jhb@FreeBSD.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 #include <sys/procctl.h>
32 #include <sys/types.h>
45 fprintf(stderr, "usage: protect [-i] command\n");
46 fprintf(stderr, " protect [-cdi] -g pgrp | -p pid\n");
53 static bool first = true;
58 warnx("only one -g or -p flag is permitted");
61 value = strtol(id, &ch, 0);
63 warnx("invalid process id");
70 main(int argc, char *argv[])
75 bool descend, inherit, idset;
80 descend = inherit = idset = false;
81 while ((ch = getopt(argc, argv, "cdig:p:")) != -1)
94 id = parse_id(optarg);
99 id = parse_id(optarg);
106 if ((idset && argc != 0) || (!idset && (argc == 0 || descend)))
110 flags |= PPROT_DESCEND;
112 flags |= PPROT_INHERIT;
113 if (procctl(idtype, id, PROC_SPROTECT, &flags) == -1)
119 err(errno == ENOENT ? 127 : 126, "%s", *argv);