Merge ^/head r292913 through r292935.
This commit is contained in:
Dimitry Andric
commit
e3b65fde50
@ -8,6 +8,7 @@ ATF_TESTS_C+= kern_copyin
|
||||
ATF_TESTS_C+= kern_descrip_test
|
||||
ATF_TESTS_C+= ptrace_test
|
||||
ATF_TESTS_C+= unix_seqpacket_test
|
||||
ATF_TESTS_C+= unix_passfd_test
|
||||
TEST_METADATA.unix_seqpacket_test+= timeout="15"
|
||||
|
||||
LIBADD.ptrace_test+= pthread
|
||||
|
||||
396
tests/sys/kern/unix_passfd_test.c
Normal file
396
tests/sys/kern/unix_passfd_test.c
Normal file
@ -0,0 +1,396 @@
|
||||
/*-
|
||||
* Copyright (c) 2005 Robert N. M. Watson
|
||||
* Copyright (c) 2015 Mark Johnston
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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 AUTHOR 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 AUTHOR 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/un.h>
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <limits.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <atf-c.h>
|
||||
|
||||
/*
|
||||
* UNIX domain sockets allow file descriptors to be passed via "ancillary
|
||||
* data", or control messages. This regression test is intended to exercise
|
||||
* this facility, both performing some basic tests that it operates, and also
|
||||
* causing some kernel edge cases to execute, such as garbage collection when
|
||||
* there are cyclic file descriptor references. Right now we test only with
|
||||
* stream sockets, but ideally we'd also test with datagram sockets.
|
||||
*/
|
||||
|
||||
static void
|
||||
domainsocketpair(int *fdp)
|
||||
{
|
||||
|
||||
ATF_REQUIRE_MSG(socketpair(PF_UNIX, SOCK_STREAM, 0, fdp) != -1,
|
||||
"socketpair(PF_UNIX, SOCK_STREAM) failed: %s", strerror(errno));
|
||||
}
|
||||
|
||||
static void
|
||||
closesocketpair(int *fdp)
|
||||
{
|
||||
|
||||
close(fdp[0]);
|
||||
close(fdp[1]);
|
||||
}
|
||||
|
||||
static void
|
||||
devnull(int *fdp)
|
||||
{
|
||||
int fd;
|
||||
|
||||
fd = open("/dev/null", O_RDONLY);
|
||||
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
|
||||
*fdp = fd;
|
||||
}
|
||||
|
||||
static void
|
||||
tempfile(int *fdp)
|
||||
{
|
||||
char path[PATH_MAX];
|
||||
int fd;
|
||||
|
||||
snprintf(path, PATH_MAX, "%s/unix_passfd.XXXXXXXXXXXXXXX",
|
||||
getenv("TMPDIR") == NULL ? "/tmp" : getenv("TMPDIR"));
|
||||
fd = mkstemp(path);
|
||||
ATF_REQUIRE_MSG(fd != -1, "mkstemp(%s) failed", path);
|
||||
(void)unlink(path);
|
||||
*fdp = fd;
|
||||
}
|
||||
|
||||
static void
|
||||
dofstat(int fd, struct stat *sb)
|
||||
{
|
||||
|
||||
ATF_REQUIRE_MSG(fstat(fd, sb) == 0,
|
||||
"fstat failed: %s", strerror(errno));
|
||||
}
|
||||
|
||||
static void
|
||||
samefile(struct stat *sb1, struct stat *sb2)
|
||||
{
|
||||
|
||||
ATF_REQUIRE_MSG(sb1->st_dev == sb2->st_dev, "different device");
|
||||
ATF_REQUIRE_MSG(sb1->st_ino == sb2->st_ino, "different inode");
|
||||
}
|
||||
|
||||
static void
|
||||
sendfd_payload(int sockfd, int sendfd, void *payload, size_t paylen)
|
||||
{
|
||||
struct iovec iovec;
|
||||
char message[CMSG_SPACE(sizeof(int))];
|
||||
struct cmsghdr *cmsghdr;
|
||||
struct msghdr msghdr;
|
||||
ssize_t len;
|
||||
|
||||
bzero(&msghdr, sizeof(msghdr));
|
||||
bzero(&message, sizeof(message));
|
||||
|
||||
msghdr.msg_control = message;
|
||||
msghdr.msg_controllen = sizeof(message);
|
||||
|
||||
iovec.iov_base = payload;
|
||||
iovec.iov_len = paylen;
|
||||
|
||||
msghdr.msg_iov = &iovec;
|
||||
msghdr.msg_iovlen = 1;
|
||||
|
||||
cmsghdr = (struct cmsghdr *)(void*)message;
|
||||
cmsghdr->cmsg_len = CMSG_LEN(sizeof(int));
|
||||
cmsghdr->cmsg_level = SOL_SOCKET;
|
||||
cmsghdr->cmsg_type = SCM_RIGHTS;
|
||||
memcpy(CMSG_DATA(cmsghdr), &sendfd, sizeof(int));
|
||||
|
||||
len = sendmsg(sockfd, &msghdr, 0);
|
||||
ATF_REQUIRE_MSG(len != -1, "sendmsg failed: %s", strerror(errno));
|
||||
ATF_REQUIRE_MSG((size_t)len == paylen,
|
||||
"sendmsg: %zd messages sent; expected: %zu; %s", len, paylen,
|
||||
strerror(errno));
|
||||
}
|
||||
|
||||
static void
|
||||
sendfd(int sockfd, int sendfd)
|
||||
{
|
||||
char ch = 0;
|
||||
|
||||
return (sendfd_payload(sockfd, sendfd, &ch, sizeof(ch)));
|
||||
}
|
||||
|
||||
static void
|
||||
recvfd_payload(int sockfd, int *recvfd, void *buf, size_t buflen)
|
||||
{
|
||||
struct cmsghdr *cmsghdr;
|
||||
char message[CMSG_SPACE(SOCKCREDSIZE(CMGROUP_MAX)) + sizeof(int)];
|
||||
struct msghdr msghdr;
|
||||
struct iovec iovec;
|
||||
ssize_t len;
|
||||
|
||||
bzero(&msghdr, sizeof(msghdr));
|
||||
|
||||
msghdr.msg_control = message;
|
||||
msghdr.msg_controllen = sizeof(message);
|
||||
|
||||
iovec.iov_base = buf;
|
||||
iovec.iov_len = buflen;
|
||||
|
||||
msghdr.msg_iov = &iovec;
|
||||
msghdr.msg_iovlen = 1;
|
||||
|
||||
len = recvmsg(sockfd, &msghdr, 0);
|
||||
ATF_REQUIRE_MSG(len != -1, "recvmsg failed: %s", strerror(errno));
|
||||
ATF_REQUIRE_MSG((size_t)len == buflen,
|
||||
"recvmsg: %zd bytes received; expected %zd", len, buflen);
|
||||
|
||||
cmsghdr = CMSG_FIRSTHDR(&msghdr);
|
||||
ATF_REQUIRE_MSG(cmsghdr != NULL,
|
||||
"recvmsg: did not receive control message");
|
||||
*recvfd = -1;
|
||||
for (; cmsghdr != NULL; cmsghdr = CMSG_NXTHDR(&msghdr, cmsghdr)) {
|
||||
if (cmsghdr->cmsg_level == SOL_SOCKET &&
|
||||
cmsghdr->cmsg_type == SCM_RIGHTS &&
|
||||
cmsghdr->cmsg_len == CMSG_LEN(sizeof(int))) {
|
||||
memcpy(recvfd, CMSG_DATA(cmsghdr), sizeof(int));
|
||||
ATF_REQUIRE(*recvfd != -1);
|
||||
}
|
||||
}
|
||||
ATF_REQUIRE_MSG(*recvfd != -1,
|
||||
"recvmsg: did not receive single-fd message");
|
||||
}
|
||||
|
||||
static void
|
||||
recvfd(int sockfd, int *recvfd)
|
||||
{
|
||||
char ch = 0;
|
||||
|
||||
return (recvfd_payload(sockfd, recvfd, &ch, sizeof(ch)));
|
||||
}
|
||||
|
||||
/*
|
||||
* Put a temporary file into a UNIX domain socket, then take it out and make
|
||||
* sure it's the same file. First time around, don't close the reference
|
||||
* after sending.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(simple_send_fd);
|
||||
ATF_TC_BODY(simple_send_fd, tc)
|
||||
{
|
||||
struct stat getfd_stat, putfd_stat;
|
||||
int fd[2], getfd, putfd;
|
||||
|
||||
domainsocketpair(fd);
|
||||
tempfile(&putfd);
|
||||
dofstat(putfd, &putfd_stat);
|
||||
sendfd(fd[0], putfd);
|
||||
recvfd(fd[1], &getfd);
|
||||
dofstat(getfd, &getfd_stat);
|
||||
samefile(&putfd_stat, &getfd_stat);
|
||||
close(putfd);
|
||||
close(getfd);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
/*
|
||||
* Same as simple_send_fd, only close the file reference after sending, so that
|
||||
* the only reference is the descriptor in the UNIX domain socket buffer.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(send_and_close);
|
||||
ATF_TC_BODY(send_and_close, tc)
|
||||
{
|
||||
struct stat getfd_stat, putfd_stat;
|
||||
int fd[2], getfd, putfd;
|
||||
|
||||
domainsocketpair(fd);
|
||||
tempfile(&putfd);
|
||||
dofstat(putfd, &putfd_stat);
|
||||
sendfd(fd[0], putfd);
|
||||
close(putfd);
|
||||
recvfd(fd[1], &getfd);
|
||||
dofstat(getfd, &getfd_stat);
|
||||
samefile(&putfd_stat, &getfd_stat);
|
||||
close(getfd);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
/*
|
||||
* Put a temporary file into a UNIX domain socket, then close both endpoints
|
||||
* causing garbage collection to kick off.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(send_and_cancel);
|
||||
ATF_TC_BODY(send_and_cancel, tc)
|
||||
{
|
||||
int fd[2], putfd;
|
||||
|
||||
domainsocketpair(fd);
|
||||
tempfile(&putfd);
|
||||
sendfd(fd[0], putfd);
|
||||
close(putfd);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
/*
|
||||
* Send two files. Then receive them. Make sure they are returned in the
|
||||
* right order, and both get there.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(two_files);
|
||||
ATF_TC_BODY(two_files, tc)
|
||||
{
|
||||
struct stat getfd_1_stat, getfd_2_stat, putfd_1_stat, putfd_2_stat;
|
||||
int fd[2], getfd_1, getfd_2, putfd_1, putfd_2;
|
||||
|
||||
domainsocketpair(fd);
|
||||
tempfile(&putfd_1);
|
||||
tempfile(&putfd_2);
|
||||
dofstat(putfd_1, &putfd_1_stat);
|
||||
dofstat(putfd_2, &putfd_2_stat);
|
||||
sendfd(fd[0], putfd_1);
|
||||
sendfd(fd[0], putfd_2);
|
||||
close(putfd_1);
|
||||
close(putfd_2);
|
||||
recvfd(fd[1], &getfd_1);
|
||||
recvfd(fd[1], &getfd_2);
|
||||
dofstat(getfd_1, &getfd_1_stat);
|
||||
dofstat(getfd_2, &getfd_2_stat);
|
||||
samefile(&putfd_1_stat, &getfd_1_stat);
|
||||
samefile(&putfd_2_stat, &getfd_2_stat);
|
||||
close(getfd_1);
|
||||
close(getfd_2);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
/*
|
||||
* Big bundling test. Send an endpoint of the UNIX domain socket over itself,
|
||||
* closing the door behind it.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(bundle);
|
||||
ATF_TC_BODY(bundle, tc)
|
||||
{
|
||||
int fd[2], getfd;
|
||||
|
||||
domainsocketpair(fd);
|
||||
|
||||
sendfd(fd[0], fd[0]);
|
||||
close(fd[0]);
|
||||
recvfd(fd[1], &getfd);
|
||||
close(getfd);
|
||||
close(fd[1]);
|
||||
}
|
||||
|
||||
/*
|
||||
* Big bundling test part two: Send an endpoint of the UNIX domain socket over
|
||||
* itself, close the door behind it, and never remove it from the other end.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(bundle_cancel);
|
||||
ATF_TC_BODY(bundle_cancel, tc)
|
||||
{
|
||||
int fd[2];
|
||||
|
||||
domainsocketpair(fd);
|
||||
sendfd(fd[0], fd[0]);
|
||||
sendfd(fd[1], fd[0]);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
/*
|
||||
* Test for PR 151758: Send an character device over the UNIX domain socket
|
||||
* and then close both sockets to orphan the device.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(devfs_orphan);
|
||||
ATF_TC_BODY(devfs_orphan, tc)
|
||||
{
|
||||
int fd[2], putfd;
|
||||
|
||||
domainsocketpair(fd);
|
||||
devnull(&putfd);
|
||||
sendfd(fd[0], putfd);
|
||||
close(putfd);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
#define LOCAL_SENDSPACE_SYSCTL "net.local.stream.sendspace"
|
||||
|
||||
/*
|
||||
* Test for PR 181741. Receiver sets LOCAL_CREDS, and kernel prepends a
|
||||
* control message to the data. Sender sends large payload.
|
||||
* Payload + SCM_RIGHTS + LOCAL_CREDS hit socket buffer limit, and receiver
|
||||
* receives truncated data.
|
||||
*/
|
||||
ATF_TC_WITHOUT_HEAD(rights_creds_payload);
|
||||
ATF_TC_BODY(rights_creds_payload, tc)
|
||||
{
|
||||
const int on = 1;
|
||||
u_long sendspace;
|
||||
size_t len;
|
||||
void *buf;
|
||||
int fd[2], getfd, putfd, rc;
|
||||
|
||||
atf_tc_expect_fail("PR 181741: Packet loss when 'control' messages "
|
||||
"are present with large data");
|
||||
|
||||
len = sizeof(sendspace);
|
||||
rc = sysctlbyname(LOCAL_SENDSPACE_SYSCTL, &sendspace,
|
||||
&len, NULL, 0);
|
||||
ATF_REQUIRE_MSG(rc != -1,
|
||||
"sysctl %s failed: %s", LOCAL_SENDSPACE_SYSCTL, strerror(errno));
|
||||
|
||||
buf = calloc(1, sendspace);
|
||||
ATF_REQUIRE(buf != NULL);
|
||||
|
||||
domainsocketpair(fd);
|
||||
rc = setsockopt(fd[1], 0, LOCAL_CREDS, &on, sizeof(on));
|
||||
ATF_REQUIRE_MSG(rc != -1, "setsockopt(LOCAL_CREDS) failed: %s",
|
||||
strerror(errno));
|
||||
tempfile(&putfd);
|
||||
sendfd_payload(fd[0], putfd, buf, sendspace);
|
||||
recvfd_payload(fd[1], &getfd, buf, sendspace);
|
||||
close(putfd);
|
||||
close(getfd);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
ATF_TP_ADD_TCS(tp)
|
||||
{
|
||||
|
||||
ATF_TP_ADD_TC(tp, simple_send_fd);
|
||||
ATF_TP_ADD_TC(tp, send_and_close);
|
||||
ATF_TP_ADD_TC(tp, send_and_cancel);
|
||||
ATF_TP_ADD_TC(tp, two_files);
|
||||
ATF_TP_ADD_TC(tp, bundle);
|
||||
ATF_TP_ADD_TC(tp, bundle_cancel);
|
||||
ATF_TP_ADD_TC(tp, devfs_orphan);
|
||||
ATF_TP_ADD_TC(tp, rights_creds_payload);
|
||||
|
||||
return (atf_no_error());
|
||||
}
|
||||
@ -1,7 +0,0 @@
|
||||
# $FreeBSD$
|
||||
|
||||
PROG= unix_passfd
|
||||
MAN=
|
||||
WARNS?= 3
|
||||
|
||||
.include <bsd.prog.mk>
|
||||
@ -1,390 +0,0 @@
|
||||
/*-
|
||||
* Copyright (c) 2005 Robert N. M. Watson
|
||||
* Copyright (c) 2015 Mark Johnston
|
||||
* All rights reserved.
|
||||
*
|
||||
* 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 AUTHOR 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 AUTHOR 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/un.h>
|
||||
|
||||
#include <err.h>
|
||||
#include <fcntl.h>
|
||||
#include <limits.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/*
|
||||
* UNIX domain sockets allow file descriptors to be passed via "ancillary
|
||||
* data", or control messages. This regression test is intended to exercise
|
||||
* this facility, both performing some basic tests that it operates, and also
|
||||
* causing some kernel edge cases to execute, such as garbage collection when
|
||||
* there are cyclic file descriptor references. Right now we test only with
|
||||
* stream sockets, but ideally we'd also test with datagram sockets.
|
||||
*/
|
||||
|
||||
static void
|
||||
domainsocketpair(const char *test, int *fdp)
|
||||
{
|
||||
|
||||
if (socketpair(PF_UNIX, SOCK_STREAM, 0, fdp) < 0)
|
||||
err(-1, "%s: socketpair(PF_UNIX, SOCK_STREAM)", test);
|
||||
}
|
||||
|
||||
static void
|
||||
closesocketpair(int *fdp)
|
||||
{
|
||||
|
||||
close(fdp[0]);
|
||||
close(fdp[1]);
|
||||
}
|
||||
|
||||
static void
|
||||
devnull(const char *test, int *fdp)
|
||||
{
|
||||
int fd;
|
||||
|
||||
fd = open("/dev/null", O_RDONLY);
|
||||
if (fd < 0)
|
||||
err(-1, "%s: open(/dev/null)", test);
|
||||
*fdp = fd;
|
||||
}
|
||||
|
||||
static void
|
||||
tempfile(const char *test, int *fdp)
|
||||
{
|
||||
char path[PATH_MAX];
|
||||
int fd;
|
||||
|
||||
snprintf(path, PATH_MAX, "/tmp/unix_passfd.XXXXXXXXXXXXXXX");
|
||||
fd = mkstemp(path);
|
||||
if (fd < 0)
|
||||
err(-1, "%s: mkstemp(%s)", test, path);
|
||||
(void)unlink(path);
|
||||
*fdp = fd;
|
||||
}
|
||||
|
||||
static void
|
||||
dofstat(const char *test, int fd, struct stat *sb)
|
||||
{
|
||||
|
||||
if (fstat(fd, sb) < 0)
|
||||
err(-1, "%s: fstat", test);
|
||||
}
|
||||
|
||||
static void
|
||||
samefile(const char *test, struct stat *sb1, struct stat *sb2)
|
||||
{
|
||||
|
||||
if (sb1->st_dev != sb2->st_dev)
|
||||
errx(-1, "%s: samefile: different device", test);
|
||||
if (sb1->st_ino != sb2->st_ino)
|
||||
errx(-1, "%s: samefile: different inode", test);
|
||||
}
|
||||
|
||||
static void
|
||||
sendfd_payload(const char *test, int sockfd, int sendfd,
|
||||
void *payload, size_t paylen)
|
||||
{
|
||||
struct iovec iovec;
|
||||
char message[CMSG_SPACE(sizeof(int))];
|
||||
struct cmsghdr *cmsghdr;
|
||||
struct msghdr msghdr;
|
||||
ssize_t len;
|
||||
|
||||
bzero(&msghdr, sizeof(msghdr));
|
||||
bzero(&message, sizeof(message));
|
||||
|
||||
msghdr.msg_control = message;
|
||||
msghdr.msg_controllen = sizeof(message);
|
||||
|
||||
iovec.iov_base = payload;
|
||||
iovec.iov_len = paylen;
|
||||
|
||||
msghdr.msg_iov = &iovec;
|
||||
msghdr.msg_iovlen = 1;
|
||||
|
||||
cmsghdr = (struct cmsghdr *)message;
|
||||
cmsghdr->cmsg_len = CMSG_LEN(sizeof(int));
|
||||
cmsghdr->cmsg_level = SOL_SOCKET;
|
||||
cmsghdr->cmsg_type = SCM_RIGHTS;
|
||||
*(int *)CMSG_DATA(cmsghdr) = sendfd;
|
||||
|
||||
len = sendmsg(sockfd, &msghdr, 0);
|
||||
if (len < 0)
|
||||
err(-1, "%s: sendmsg", test);
|
||||
if ((size_t)len != paylen)
|
||||
errx(-1, "%s: sendmsg: %zd bytes sent", test, len);
|
||||
}
|
||||
|
||||
static void
|
||||
sendfd(const char *test, int sockfd, int sendfd)
|
||||
{
|
||||
char ch = 0;
|
||||
|
||||
return (sendfd_payload(test, sockfd, sendfd, &ch, sizeof(ch)));
|
||||
}
|
||||
|
||||
static void
|
||||
recvfd_payload(const char *test, int sockfd, int *recvfd,
|
||||
void *buf, size_t buflen)
|
||||
{
|
||||
struct cmsghdr *cmsghdr;
|
||||
char message[CMSG_SPACE(SOCKCREDSIZE(CMGROUP_MAX)) + sizeof(int)];
|
||||
struct msghdr msghdr;
|
||||
struct iovec iovec;
|
||||
ssize_t len;
|
||||
|
||||
bzero(&msghdr, sizeof(msghdr));
|
||||
|
||||
msghdr.msg_control = message;
|
||||
msghdr.msg_controllen = sizeof(message);
|
||||
|
||||
iovec.iov_base = buf;
|
||||
iovec.iov_len = buflen;
|
||||
|
||||
msghdr.msg_iov = &iovec;
|
||||
msghdr.msg_iovlen = 1;
|
||||
|
||||
len = recvmsg(sockfd, &msghdr, 0);
|
||||
if (len < 0)
|
||||
err(-1, "%s: recvmsg", test);
|
||||
if ((size_t)len != buflen)
|
||||
errx(-1, "%s: recvmsg: %zd bytes received", test, len);
|
||||
|
||||
cmsghdr = CMSG_FIRSTHDR(&msghdr);
|
||||
if (cmsghdr == NULL)
|
||||
errx(-1, "%s: recvmsg: did not receive control message", test);
|
||||
*recvfd = -1;
|
||||
for (; cmsghdr != NULL; cmsghdr = CMSG_NXTHDR(&msghdr, cmsghdr)) {
|
||||
if (cmsghdr->cmsg_level == SOL_SOCKET &&
|
||||
cmsghdr->cmsg_type == SCM_RIGHTS &&
|
||||
cmsghdr->cmsg_len == CMSG_LEN(sizeof(int))) {
|
||||
*recvfd = *(int *)CMSG_DATA(cmsghdr);
|
||||
if (*recvfd == -1)
|
||||
errx(-1, "%s: recvmsg: received fd -1", test);
|
||||
}
|
||||
}
|
||||
if (*recvfd == -1)
|
||||
errx(-1, "%s: recvmsg: did not receive single-fd message",
|
||||
test);
|
||||
}
|
||||
|
||||
static void
|
||||
recvfd(const char *test, int sockfd, int *recvfd)
|
||||
{
|
||||
char ch = 0;
|
||||
|
||||
return (recvfd_payload(test, sockfd, recvfd, &ch, sizeof(ch)));
|
||||
}
|
||||
|
||||
int
|
||||
main(void)
|
||||
{
|
||||
struct stat putfd_1_stat, putfd_2_stat, getfd_1_stat, getfd_2_stat;
|
||||
int fd[2], putfd_1, putfd_2, getfd_1, getfd_2;
|
||||
const char *test;
|
||||
|
||||
/*
|
||||
* First test: put a temporary file into a UNIX domain socket, then
|
||||
* take it out and make sure it's the same file. First time around,
|
||||
* don't close the reference after sending.
|
||||
*/
|
||||
test = "test1-simplesendfd";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
tempfile(test, &putfd_1);
|
||||
dofstat(test, putfd_1, &putfd_1_stat);
|
||||
sendfd(test, fd[0], putfd_1);
|
||||
recvfd(test, fd[1], &getfd_1);
|
||||
dofstat(test, getfd_1, &getfd_1_stat);
|
||||
samefile(test, &putfd_1_stat, &getfd_1_stat);
|
||||
close(putfd_1);
|
||||
close(getfd_1);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Second test: same as first, only close the file reference after
|
||||
* sending, so that the only reference is the descriptor in the UNIX
|
||||
* domain socket buffer.
|
||||
*/
|
||||
test = "test2-sendandclose";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
tempfile(test, &putfd_1);
|
||||
dofstat(test, putfd_1, &putfd_1_stat);
|
||||
sendfd(test, fd[0], putfd_1);
|
||||
close(putfd_1);
|
||||
recvfd(test, fd[1], &getfd_1);
|
||||
dofstat(test, getfd_1, &getfd_1_stat);
|
||||
samefile(test, &putfd_1_stat, &getfd_1_stat);
|
||||
close(getfd_1);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Third test: put a temporary file into a UNIX domain socket, then
|
||||
* close both endpoints causing garbage collection to kick off.
|
||||
*/
|
||||
test = "test3-sendandcancel";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
tempfile(test, &putfd_1);
|
||||
sendfd(test, fd[0], putfd_1);
|
||||
close(putfd_1);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Send two files. Then receive them. Make sure they are returned
|
||||
* in the right order, and both get there.
|
||||
*/
|
||||
|
||||
test = "test4-twofile";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
tempfile(test, &putfd_1);
|
||||
tempfile(test, &putfd_2);
|
||||
dofstat(test, putfd_1, &putfd_1_stat);
|
||||
dofstat(test, putfd_2, &putfd_2_stat);
|
||||
sendfd(test, fd[0], putfd_1);
|
||||
sendfd(test, fd[0], putfd_2);
|
||||
close(putfd_1);
|
||||
close(putfd_2);
|
||||
recvfd(test, fd[1], &getfd_1);
|
||||
recvfd(test, fd[1], &getfd_2);
|
||||
dofstat(test, getfd_1, &getfd_1_stat);
|
||||
dofstat(test, getfd_2, &getfd_2_stat);
|
||||
samefile(test, &putfd_1_stat, &getfd_1_stat);
|
||||
samefile(test, &putfd_2_stat, &getfd_2_stat);
|
||||
close(getfd_1);
|
||||
close(getfd_2);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Big bundling test. Send an endpoint of the UNIX domain socket
|
||||
* over itself, closing the door behind it.
|
||||
*/
|
||||
|
||||
test = "test5-bundle";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
|
||||
sendfd(test, fd[0], fd[0]);
|
||||
close(fd[0]);
|
||||
recvfd(test, fd[1], &getfd_1);
|
||||
close(getfd_1);
|
||||
close(fd[1]);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Big bundling test part two: Send an endpoint of the UNIX domain
|
||||
* socket over itself, close the door behind it, and never remove it
|
||||
* from the other end.
|
||||
*/
|
||||
|
||||
test = "test6-bundlecancel";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
sendfd(test, fd[0], fd[0]);
|
||||
sendfd(test, fd[1], fd[0]);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Test for PR 151758: Send an character device over the UNIX
|
||||
* domain socket and then close both sockets to orphan the
|
||||
* device.
|
||||
*/
|
||||
|
||||
test = "test7-devfsorphan";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
devnull(test, &putfd_1);
|
||||
sendfd(test, fd[0], putfd_1);
|
||||
close(putfd_1);
|
||||
closesocketpair(fd);
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
/*
|
||||
* Test for PR 181741. Receiver sets LOCAL_CREDS, and kernel
|
||||
* prepends a control message to the data. Sender sends large
|
||||
* payload. Payload + SCM_RIGHTS + LOCAL_CREDS hit socket buffer
|
||||
* limit, and receiver receives truncated data.
|
||||
*/
|
||||
test = "test8-rights+creds+payload";
|
||||
printf("beginning %s\n", test);
|
||||
|
||||
{
|
||||
const int on = 1;
|
||||
u_long sendspace;
|
||||
size_t len;
|
||||
void *buf;
|
||||
|
||||
len = sizeof(sendspace);
|
||||
if (sysctlbyname("net.local.stream.sendspace", &sendspace,
|
||||
&len, NULL, 0) < 0)
|
||||
err(-1, "%s: sysctlbyname(net.local.stream.sendspace)",
|
||||
test);
|
||||
|
||||
if ((buf = calloc(1, sendspace)) == NULL)
|
||||
err(-1, "%s: calloc", test);
|
||||
|
||||
domainsocketpair(test, fd);
|
||||
if (setsockopt(fd[1], 0, LOCAL_CREDS, &on, sizeof(on)) < 0)
|
||||
err(-1, "%s: setsockopt(LOCAL_CREDS)", test);
|
||||
tempfile(test, &putfd_1);
|
||||
sendfd_payload(test, fd[0], putfd_1, buf, sendspace);
|
||||
recvfd_payload(test, fd[1], &getfd_1, buf, sendspace);
|
||||
close(putfd_1);
|
||||
close(getfd_1);
|
||||
closesocketpair(fd);
|
||||
}
|
||||
|
||||
printf("%s passed\n", test);
|
||||
|
||||
return (0);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user