/*-
* Copyright (c) 2012 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/ioctl.h>
#include <sys/procdesc.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "misc.h"
static void
ioctl_tests_0(int fd)
{
unsigned long cmds[2];
CHECK(cap_ioctls_get(fd, NULL, 0) == CAP_IOCTLS_ALL);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(ioctl(fd, FIONCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == nitems(cmds));
CHECK((cmds[0] == FIOCLEX && cmds[1] == FIONCLEX) ||
(cmds[0] == FIONCLEX && cmds[1] == FIOCLEX));
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, 1) == nitems(cmds));
CHECK(cmds[0] == FIOCLEX || cmds[0] == FIONCLEX);
CHECK(cmds[1] == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(ioctl(fd, FIONCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
cmds[0] = FIOCLEX;
CHECK(cap_ioctls_limit(fd, cmds, 1) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 1);
CHECK(cmds[0] == FIOCLEX);
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == -1);
CHECK(errno == ENOTCAPABLE);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 1);
CHECK(cmds[0] == FIOCLEX);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(cap_ioctls_limit(fd, NULL, 0) == 0);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
cmds[0] = FIOCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, 1) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
errno = 0;
CHECK(ioctl(fd, FIOCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
}
static void
ioctl_tests_1(int fd)
{
unsigned long cmds[2];
cap_rights_t rights;
cmds[0] = FIOCLEX;
CHECK(cap_ioctls_limit(fd, cmds, 1) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 1);
CHECK(cmds[0] == FIOCLEX);
CHECK(cmds[1] == 0);
CAP_ALL(&rights);
cap_rights_clear(&rights, CAP_IOCTL);
CHECK(cap_rights_limit(fd, &rights) == 0);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
cmds[0] = FIOCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, 1) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
errno = 0;
CHECK(ioctl(fd, FIOCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
}
static void
ioctl_tests_2(int fd)
{
unsigned long cmds[2];
cap_rights_t rights;
CAP_ALL(&rights);
cap_rights_clear(&rights, CAP_IOCTL);
CHECK(cap_rights_limit(fd, &rights) == 0);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
cmds[0] = FIOCLEX;
errno = 0;
CHECK(cap_ioctls_limit(fd, cmds, 1) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
errno = 0;
CHECK(ioctl(fd, FIOCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
}
static void
ioctl_tests_send_0(int sock)
{
unsigned long cmds[2];
int fd;
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
CHECK(descriptor_send(sock, fd) == 0);
CHECK(close(fd) == 0);
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
cmds[0] = FIOCLEX;
cmds[1] = FIONCLEX;
CHECK(cap_ioctls_limit(fd, cmds, nitems(cmds)) == 0);
CHECK(descriptor_send(sock, fd) == 0);
CHECK(close(fd) == 0);
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
cmds[0] = FIOCLEX;
CHECK(cap_ioctls_limit(fd, cmds, 1) == 0);
CHECK(descriptor_send(sock, fd) == 0);
CHECK(close(fd) == 0);
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
CHECK(cap_ioctls_limit(fd, NULL, 0) == 0);
CHECK(descriptor_send(sock, fd) == 0);
CHECK(close(fd) == 0);
}
static void
ioctl_tests_recv_0(int sock)
{
unsigned long cmds[2];
int fd;
CHECK(descriptor_recv(sock, &fd) == 0);
CHECK(cap_ioctls_get(fd, NULL, 0) == CAP_IOCTLS_ALL);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(ioctl(fd, FIONCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(close(fd) == 0);
CHECK(descriptor_recv(sock, &fd) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == nitems(cmds));
CHECK((cmds[0] == FIOCLEX && cmds[1] == FIONCLEX) ||
(cmds[0] == FIONCLEX && cmds[1] == FIOCLEX));
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(ioctl(fd, FIONCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(close(fd) == 0);
CHECK(descriptor_recv(sock, &fd) == 0);
cmds[0] = cmds[1] = 0;
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 1);
CHECK(cmds[0] == FIOCLEX);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(ioctl(fd, FIOCLEX) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(close(fd) == 0);
CHECK(descriptor_recv(sock, &fd) == 0);
CHECK(cap_ioctls_get(fd, cmds, nitems(cmds)) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
errno = 0;
CHECK(ioctl(fd, FIOCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
errno = 0;
CHECK(ioctl(fd, FIONCLEX) == -1);
CHECK(errno == ENOTCAPABLE);
CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
CHECK(fcntl(fd, F_SETFD, 0) == 0);
CHECK(fcntl(fd, F_GETFD) == 0);
CHECK(close(fd) == 0);
}
int
main(void)
{
int fd, pfd, sp[2];
pid_t pid;
printf("1..607\n");
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
ioctl_tests_0(fd);
CHECK(close(fd) == 0);
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
ioctl_tests_1(fd);
CHECK(close(fd) == 0);
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
ioctl_tests_2(fd);
CHECK(close(fd) == 0);
/* Child inherits descriptor and operates on it first. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = fork();
switch (pid) {
case -1:
err(1, "fork() failed");
case 0:
ioctl_tests_0(fd);
CHECK(close(fd) == 0);
exit(0);
default:
if (waitpid(pid, NULL, 0) == -1)
err(1, "waitpid() failed");
ioctl_tests_0(fd);
}
CHECK(close(fd) == 0);
/* Child inherits descriptor, but operates on it after parent. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = fork();
switch (pid) {
case -1:
err(1, "fork() failed");
case 0:
sleep(1);
ioctl_tests_0(fd);
CHECK(close(fd) == 0);
exit(0);
default:
ioctl_tests_0(fd);
if (waitpid(pid, NULL, 0) == -1)
err(1, "waitpid() failed");
}
CHECK(close(fd) == 0);
/* Child inherits descriptor and operates on it first. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = pdfork(&pfd, 0);
switch (pid) {
case -1:
err(1, "pdfork() failed");
case 0:
ioctl_tests_1(fd);
exit(0);
default:
if (pdwait(pfd) == -1)
err(1, "pdwait() failed");
close(pfd);
ioctl_tests_1(fd);
}
CHECK(close(fd) == 0);
/* Child inherits descriptor, but operates on it after parent. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = pdfork(&pfd, 0);
switch (pid) {
case -1:
err(1, "pdfork() failed");
case 0:
sleep(1);
ioctl_tests_1(fd);
exit(0);
default:
ioctl_tests_1(fd);
if (pdwait(pfd) == -1)
err(1, "pdwait() failed");
close(pfd);
}
CHECK(close(fd) == 0);
/* Child inherits descriptor and operates on it first. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = fork();
switch (pid) {
case -1:
err(1, "fork() failed");
case 0:
ioctl_tests_2(fd);
exit(0);
default:
if (waitpid(pid, NULL, 0) == -1)
err(1, "waitpid() failed");
ioctl_tests_2(fd);
}
CHECK(close(fd) == 0);
/* Child inherits descriptor, but operates on it after parent. */
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
pid = fork();
switch (pid) {
case -1:
err(1, "fork() failed");
case 0:
sleep(1);
ioctl_tests_2(fd);
exit(0);
default:
ioctl_tests_2(fd);
if (waitpid(pid, NULL, 0) == -1)
err(1, "waitpid() failed");
}
CHECK(close(fd) == 0);
/* Send descriptors from parent to child. */
CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == 0);
CHECK((pid = fork()) >= 0);
if (pid == 0) {
CHECK(close(sp[0]) == 0);
ioctl_tests_recv_0(sp[1]);
CHECK(close(sp[1]) == 0);
exit(0);
} else {
CHECK(close(sp[1]) == 0);
ioctl_tests_send_0(sp[0]);
CHECK(waitpid(pid, NULL, 0) == pid);
CHECK(close(sp[0]) == 0);
}
/* Send descriptors from child to parent. */
CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == 0);
CHECK((pid = fork()) >= 0);
if (pid == 0) {
CHECK(close(sp[0]) == 0);
ioctl_tests_send_0(sp[1]);
CHECK(close(sp[1]) == 0);
exit(0);
} else {
CHECK(close(sp[1]) == 0);
ioctl_tests_recv_0(sp[0]);
CHECK(waitpid(pid, NULL, 0) == pid);
CHECK(close(sp[0]) == 0);
}
exit(0);
}
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