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109 lines
3.3 KiB
109 lines
3.3 KiB
4 months ago
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/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include "test_netlink.h"
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#include <linux/selinux_netlink.h>
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static void
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test_nlmsg_type(const int fd)
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{
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long rc;
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struct nlmsghdr nlh = {
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.nlmsg_len = sizeof(nlh),
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.nlmsg_type = SELNL_MSG_SETENFORCE,
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.nlmsg_flags = NLM_F_REQUEST,
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};
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rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
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printf("sendto(%d, {len=%u, type=SELNL_MSG_SETENFORCE"
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", flags=NLM_F_REQUEST, seq=0, pid=0}"
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", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
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fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
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}
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static void
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test_selnl_msg_unspec(const int fd)
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{
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void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, 4);
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TEST_NETLINK_(fd, nlh0,
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0xffff, "0xffff /* SELNL_MSG_??? */",
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NLM_F_REQUEST, "NLM_F_REQUEST",
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4, "1234", 4,
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printf("\"\\x31\\x32\\x33\\x34\""));
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}
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static void
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test_selnl_msg_setenforce(const int fd)
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{
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static const struct selnl_msg_setenforce msg = {
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.val = 0xfbdcdfab
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};
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void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, sizeof(msg));
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TEST_NETLINK_OBJECT(fd, nlh0,
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SELNL_MSG_SETENFORCE, NLM_F_REQUEST, msg,
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PRINT_FIELD_D("{", msg, val);
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printf("}"));
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}
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static void
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test_selnl_msg_policyload(const int fd)
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{
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static const struct selnl_msg_policyload msg = {
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.seqno = 0xabdcfabc
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};
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void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, sizeof(msg));
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TEST_NETLINK_OBJECT(fd, nlh0,
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SELNL_MSG_POLICYLOAD, NLM_F_REQUEST, msg,
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PRINT_FIELD_U("{", msg, seqno);
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printf("}"));
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}
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int main(void)
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{
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skip_if_unavailable("/proc/self/fd/");
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int fd = create_nl_socket(NETLINK_SELINUX);
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test_nlmsg_type(fd);
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test_selnl_msg_unspec(fd);
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test_selnl_msg_setenforce(fd);
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test_selnl_msg_policyload(fd);
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printf("+++ exited with 0 +++\n");
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return 0;
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}
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