541 lines
15 KiB
C
541 lines
15 KiB
C
/*-
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* Copyright (c) 2012 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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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 AUTHORS 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 AUTHORS 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/capability.h>
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#include <sys/procdesc.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.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 "misc.h"
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static void
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fcntl_tests_0(int fd)
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{
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uint32_t fcntlrights;
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_ALL);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0);
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CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK));
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CHECK(fcntl(fd, F_SETFL, 0) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, ~CAP_FCNTL_ALL) == -1);
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CHECK(errno == EINVAL);
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL));
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL));
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0);
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CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK));
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CHECK(fcntl(fd, F_SETFL, 0) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(cap_fcntls_limit(fd, 0) == 0);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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}
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static void
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fcntl_tests_1(int fd)
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{
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uint32_t fcntlrights;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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CHECK(cap_rights_limit(fd, CAP_ALL & ~CAP_FCNTL) == 0);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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}
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static void
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fcntl_tests_2(int fd)
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{
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uint32_t fcntlrights;
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CHECK(cap_rights_limit(fd, CAP_ALL & ~CAP_FCNTL) == 0);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = CAP_FCNTL_ALL;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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}
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static void
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fcntl_tests_send_0(int sock)
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{
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int fd;
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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CHECK(descriptor_send(sock, fd) == 0);
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CHECK(close(fd) == 0);
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0);
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CHECK(descriptor_send(sock, fd) == 0);
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CHECK(close(fd) == 0);
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0);
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CHECK(descriptor_send(sock, fd) == 0);
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CHECK(close(fd) == 0);
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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CHECK(cap_fcntls_limit(fd, 0) == 0);
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CHECK(descriptor_send(sock, fd) == 0);
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CHECK(close(fd) == 0);
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}
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static void
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fcntl_tests_recv_0(int sock)
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{
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uint32_t fcntlrights;
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int fd;
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CHECK(descriptor_recv(sock, &fd) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_ALL);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0);
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CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK));
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CHECK(fcntl(fd, F_SETFL, 0) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(close(fd) == 0);
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CHECK(descriptor_recv(sock, &fd) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL));
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == (CAP_FCNTL_GETFL | CAP_FCNTL_SETFL));
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == 0);
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CHECK(fcntl(fd, F_GETFL) == (O_RDWR | O_NONBLOCK));
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CHECK(fcntl(fd, F_SETFL, 0) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(close(fd) == 0);
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CHECK(descriptor_recv(sock, &fd) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == CAP_FCNTL_GETFL);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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CHECK(fcntl(fd, F_GETFL) == O_RDWR);
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CHECK(close(fd) == 0);
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CHECK(descriptor_recv(sock, &fd) == 0);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL | CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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errno = 0;
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CHECK(cap_fcntls_limit(fd, CAP_FCNTL_SETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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fcntlrights = 0;
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CHECK(cap_fcntls_get(fd, &fcntlrights) == 0);
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CHECK(fcntlrights == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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CHECK(fcntl(fd, F_SETFD, FD_CLOEXEC) == 0);
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CHECK(fcntl(fd, F_GETFD) == FD_CLOEXEC);
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CHECK(fcntl(fd, F_SETFD, 0) == 0);
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CHECK(fcntl(fd, F_GETFD) == 0);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, O_NONBLOCK) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_SETFL, 0) == -1);
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CHECK(errno == ENOTCAPABLE);
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errno = 0;
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CHECK(fcntl(fd, F_GETFL) == -1);
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CHECK(errno == ENOTCAPABLE);
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CHECK(close(fd) == 0);
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}
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int
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main(void)
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{
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int fd, pfd, sp[2];
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pid_t pid;
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printf("1..870\n");
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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fcntl_tests_0(fd);
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CHECK(close(fd) == 0);
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
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fcntl_tests_1(fd);
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CHECK(close(fd) == 0);
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CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
|
|
fcntl_tests_2(fd);
|
|
CHECK(close(fd) == 0);
|
|
|
|
/* Child inherits descriptor and operates on it first. */
|
|
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
|
|
CHECK((pid = fork()) >= 0);
|
|
if (pid == 0) {
|
|
fcntl_tests_0(fd);
|
|
CHECK(close(fd) == 0);
|
|
exit(0);
|
|
} else {
|
|
CHECK(waitpid(pid, NULL, 0) == pid);
|
|
fcntl_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);
|
|
CHECK((pid = fork()) >= 0);
|
|
if (pid == 0) {
|
|
sleep(1);
|
|
fcntl_tests_0(fd);
|
|
CHECK(close(fd) == 0);
|
|
exit(0);
|
|
} else {
|
|
fcntl_tests_0(fd);
|
|
CHECK(waitpid(pid, NULL, 0) == pid);
|
|
}
|
|
CHECK(close(fd) == 0);
|
|
|
|
/* Child inherits descriptor and operates on it first. */
|
|
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
|
|
CHECK((pid = pdfork(&pfd, 0)) >= 0);
|
|
if (pid == 0) {
|
|
fcntl_tests_1(fd);
|
|
exit(0);
|
|
} else {
|
|
CHECK(pdwait(pfd) == 0);
|
|
/*
|
|
It fails with EBADF, which I believe is a bug.
|
|
CHECK(close(pfd) == 0);
|
|
*/
|
|
fcntl_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);
|
|
CHECK((pid = pdfork(&pfd, 0)) >= 0);
|
|
if (pid == 0) {
|
|
sleep(1);
|
|
fcntl_tests_1(fd);
|
|
exit(0);
|
|
} else {
|
|
fcntl_tests_1(fd);
|
|
CHECK(pdwait(pfd) == 0);
|
|
/*
|
|
It fails with EBADF, which I believe is a bug.
|
|
CHECK(close(pfd) == 0);
|
|
*/
|
|
}
|
|
CHECK(close(fd) == 0);
|
|
|
|
/* Child inherits descriptor and operates on it first. */
|
|
CHECK((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0);
|
|
CHECK((pid = fork()) >= 0);
|
|
if (pid == 0) {
|
|
fcntl_tests_2(fd);
|
|
exit(0);
|
|
} else {
|
|
CHECK(waitpid(pid, NULL, 0) == pid);
|
|
fcntl_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);
|
|
CHECK((pid = fork()) >= 0);
|
|
if (pid == 0) {
|
|
sleep(1);
|
|
fcntl_tests_2(fd);
|
|
exit(0);
|
|
} else {
|
|
fcntl_tests_2(fd);
|
|
CHECK(waitpid(pid, NULL, 0) == pid);
|
|
}
|
|
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);
|
|
fcntl_tests_recv_0(sp[1]);
|
|
CHECK(close(sp[1]) == 0);
|
|
exit(0);
|
|
} else {
|
|
CHECK(close(sp[1]) == 0);
|
|
fcntl_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);
|
|
fcntl_tests_send_0(sp[1]);
|
|
CHECK(close(sp[1]) == 0);
|
|
exit(0);
|
|
} else {
|
|
CHECK(close(sp[1]) == 0);
|
|
fcntl_tests_recv_0(sp[0]);
|
|
CHECK(waitpid(pid, NULL, 0) == pid);
|
|
CHECK(close(sp[0]) == 0);
|
|
}
|
|
|
|
exit(0);
|
|
}
|