b881b8be1d
auditdistd is not updated as I will make the change upstream and then do a vendor import sometime in the next week or two. MFC after: 3 weeks
118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/*-
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* Copyright (c) 2009-2011 Robert N. M. Watson
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* Copyright (c) 2011 Jonathan Anderson
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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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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/*
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* Test that fcntl works in capability mode.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/capsicum.h>
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#include <sys/errno.h>
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#include <sys/ipc.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "cap_test.h"
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/* A filename->descriptor mapping. */
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struct fd {
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char *f_name;
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int f_fd;
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};
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/*
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* Ensure that fcntl() works consistently for both regular file descriptors and
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* capability-wrapped ones.
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*/
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int
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test_fcntl(void)
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{
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int success = PASSED;
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cap_rights_t rights = CAP_READ | CAP_FCNTL;
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/*
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* Open some files of different types, and wrap them in capabilities.
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*/
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struct fd files[] = {
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{ "file", open("/etc/passwd", O_RDONLY) },
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{ "socket", socket(PF_LOCAL, SOCK_STREAM, 0) },
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{ "SHM", shm_open(SHM_ANON, O_RDWR, 0600) },
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};
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REQUIRE(files[0].f_fd);
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REQUIRE(files[1].f_fd);
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REQUIRE(files[2].f_fd);
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struct fd caps[] = {
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{ "file cap", cap_new(files[0].f_fd, rights) },
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{ "socket cap", cap_new(files[1].f_fd, rights) },
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{ "SHM cap", cap_new(files[2].f_fd, rights) },
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};
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REQUIRE(caps[0].f_fd);
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REQUIRE(caps[1].f_fd);
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REQUIRE(caps[2].f_fd);
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struct fd all[] = {
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files[0], caps[0],
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files[1], caps[1],
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files[2], caps[2],
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};
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const size_t len = sizeof(all) / sizeof(struct fd);
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REQUIRE(cap_enter());
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/*
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* Ensure that we can fcntl() all the files that we opened above.
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*/
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for (size_t i = 0; i < len; i++)
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{
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struct fd f = all[i];
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int cap;
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CHECK_SYSCALL_SUCCEEDS(fcntl, f.f_fd, F_GETFL, 0);
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REQUIRE(cap = cap_new(f.f_fd, CAP_READ));
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if (fcntl(f.f_fd, F_GETFL, 0) == -1)
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FAIL("Error calling fcntl('%s', F_GETFL)", f.f_name);
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else
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CHECK_NOTCAPABLE(fcntl, cap, F_GETFL, 0);
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}
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return (success);
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}
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