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Add some fuse(4) tests for FUSE_SETATTR

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Alan Somers 2019-03-02 15:32:20 +00:00
parent 44154e682a
commit 7716c35f77
3 changed files with 396 additions and 2 deletions
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7
tests/sys/fs/fuse/Makefile
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@ -6,6 +6,7 @@ TESTSDIR= ${TESTSBASE}/sys/fs/fuse
ATF_TESTS_CXX+= getattr
ATF_TESTS_CXX+= lookup
ATF_TESTS_CXX+= setattr
SRCS.getattr+= getattr.cc
SRCS.getattr+= getmntopts.c
@ -17,6 +18,12 @@ SRCS.lookup+= getmntopts.c
SRCS.lookup+= mockfs.cc
SRCS.lookup+= utils.cc
SRCS.setattr+= setattr.cc
SRCS.setattr+= getmntopts.c
SRCS.setattr+= mockfs.cc
SRCS.setattr+= utils.cc
# TODO: drastically increase timeout after test development is mostly complete
TEST_METADATA+= timeout=10
TEST_METADATA+= required_user=root

5
tests/sys/fs/fuse/mockfs.hh
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@ -45,11 +45,12 @@ extern "C" {
extern int verbosity;
union fuse_payloads_in {
/* value is from fuse_kern_chan.c in fusefs-libs */
uint8_t bytes[0x21000 - sizeof(struct fuse_in_header)];
fuse_forget_in forget;
fuse_init_in init;
char lookup[0];
/* value is from fuse_kern_chan.c in fusefs-libs */
uint8_t bytes[0x21000 - sizeof(struct fuse_in_header)];
fuse_setattr_in setattr;
};
struct mockfs_buf_in {

386
tests/sys/fs/fuse/setattr.cc Normal file
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@ -0,0 +1,386 @@
/*-
* Copyright (c) 2019 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by BFF Storage Systems, LLC 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 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.
*/
extern "C" {
#include <sys/stat.h>
#include <fcntl.h>
}
#include "mockfs.hh"
#include "utils.hh"
using namespace testing;
class Setattr : public FuseTest {};
/* Change the mode of a file */
TEST_F(Setattr, chmod)
{
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
const mode_t oldmode = 0755;
const mode_t newmode = 0644;
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | oldmode;
out->body.entry.nodeid = ino;
out->body.entry.attr.mode = S_IFREG | oldmode;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
/* In protocol 7.23, ctime will be changed too */
uint32_t valid = FATTR_MODE;
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino &&
in->body.setattr.valid == valid &&
in->body.setattr.mode == newmode);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | newmode;
}));
EXPECT_EQ(0, chmod(FULLPATH, newmode)) << strerror(errno);
}
/* Change the owner and group of a file */
TEST_F(Setattr, chown)
{
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
const gid_t oldgroup = 66;
const gid_t newgroup = 99;
const uid_t olduser = 33;
const uid_t newuser = 44;
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | 0644;
out->body.entry.nodeid = ino;
out->body.entry.attr.gid = oldgroup;
out->body.entry.attr.uid = olduser;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
/* In protocol 7.23, ctime will be changed too */
uint32_t valid = FATTR_GID | FATTR_UID;
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino &&
in->body.setattr.valid == valid &&
in->body.setattr.uid == newuser &&
in->body.setattr.gid == newgroup);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.uid = newuser;
out->body.attr.attr.gid = newgroup;
}));
EXPECT_EQ(0, chown(FULLPATH, newuser, newgroup)) << strerror(errno);
}
/* Change the mode of an open file, by its file descriptor */
//TODO TEST_F(Setattr, fchmod) {}
/*
* FUSE daemons are allowed to check permissions however they like. If the
* daemon returns EPERM, even if the file permissions "should" grant access,
* then fuse(4) should return EPERM too.
*/
TEST_F(Setattr, eperm)
{
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | 0777;
out->body.entry.nodeid = ino;
out->body.entry.attr.uid = in->header.uid;
out->body.entry.attr.gid = in->header.gid;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
out->header.error = -EPERM;
out->header.len = sizeof(out->header);
}));
EXPECT_NE(0, truncate(FULLPATH, 10));
EXPECT_EQ(EPERM, errno);
}
/* Change the size of the file */
TEST_F(Setattr, truncate) {
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
const uint64_t oldsize = 100'000'000;
const uint64_t newsize = 20'000'000;
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | 0644;
out->body.entry.nodeid = ino;
out->body.entry.attr.size = oldsize;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
/* In protocol 7.23, ctime will be changed too */
uint32_t valid = FATTR_SIZE;
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino &&
in->body.setattr.valid == valid &&
in->body.setattr.size == newsize);
}, Eq(true)),
_)
).WillOnce(Invoke([](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.size = newsize;
}));
EXPECT_EQ(0, truncate(FULLPATH, newsize)) << strerror(errno);
}
/* Change a file's timestamps */
TEST_F(Setattr, utimensat) {
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
const timespec oldtimes[2] = {
{.tv_sec = 1, .tv_nsec = 2},
{.tv_sec = 3, .tv_nsec = 4},
};
const timespec newtimes[2] = {
{.tv_sec = 5, .tv_nsec = 6},
{.tv_sec = 7, .tv_nsec = 8},
};
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | 0644;
out->body.entry.nodeid = ino;
out->body.entry.attr_valid = UINT64_MAX;
out->body.entry.attr.atime = oldtimes[0].tv_sec;
out->body.entry.attr.atimensec = oldtimes[0].tv_nsec;
out->body.entry.attr.mtime = oldtimes[1].tv_sec;
out->body.entry.attr.mtimensec = oldtimes[1].tv_nsec;
}));
/*
* Until bug 235775 is fixed, utimensat will make an extra FUSE_GETATTR
* call
*/
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
return (in->header.opcode == FUSE_GETATTR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.atime = oldtimes[0].tv_sec;
out->body.attr.attr.atimensec = oldtimes[0].tv_nsec;
out->body.attr.attr.mtime = oldtimes[1].tv_sec;
out->body.attr.attr.mtimensec = oldtimes[1].tv_nsec;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
/* In protocol 7.23, ctime will be changed too */
uint32_t valid = FATTR_ATIME | FATTR_MTIME;
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino &&
in->body.setattr.valid == valid &&
in->body.setattr.atime == newtimes[0].tv_sec &&
in->body.setattr.atimensec ==
newtimes[0].tv_nsec &&
in->body.setattr.mtime == newtimes[1].tv_sec &&
in->body.setattr.mtimensec ==
newtimes[1].tv_nsec);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.atime = newtimes[0].tv_sec;
out->body.attr.attr.atimensec = newtimes[0].tv_nsec;
out->body.attr.attr.mtime = newtimes[1].tv_sec;
out->body.attr.attr.mtimensec = newtimes[1].tv_nsec;
}));
EXPECT_EQ(0, utimensat(AT_FDCWD, FULLPATH, &newtimes[0], 0))
<< strerror(errno);
}
/* Change a file mtime but not its atime */
TEST_F(Setattr, utimensat_mtime_only) {
const char FULLPATH[] = "mountpoint/some_file.txt";
const char RELPATH[] = "some_file.txt";
const uint64_t ino = 42;
const timespec oldtimes[2] = {
{.tv_sec = 1, .tv_nsec = 2},
{.tv_sec = 3, .tv_nsec = 4},
};
const timespec newtimes[2] = {
{.tv_sec = 5, .tv_nsec = UTIME_OMIT},
{.tv_sec = 7, .tv_nsec = 8},
};
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
return (in->header.opcode == FUSE_LOOKUP &&
strcmp(in->body.lookup, RELPATH) == 0);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, entry);
out->body.entry.attr.mode = S_IFREG | 0644;
out->body.entry.nodeid = ino;
out->body.entry.attr_valid = UINT64_MAX;
out->body.entry.attr.atime = oldtimes[0].tv_sec;
out->body.entry.attr.atimensec = oldtimes[0].tv_nsec;
out->body.entry.attr.mtime = oldtimes[1].tv_sec;
out->body.entry.attr.mtimensec = oldtimes[1].tv_nsec;
}));
/*
* Until bug 235775 is fixed, utimensat will make an extra FUSE_GETATTR
* call
*/
EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {
return (in->header.opcode == FUSE_GETATTR &&
in->header.nodeid == ino);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.atime = oldtimes[0].tv_sec;
out->body.attr.attr.atimensec = oldtimes[0].tv_nsec;
out->body.attr.attr.mtime = oldtimes[1].tv_sec;
out->body.attr.attr.mtimensec = oldtimes[1].tv_nsec;
}));
EXPECT_CALL(*m_mock, process(
ResultOf([=](auto in) {
/* In protocol 7.23, ctime will be changed too */
uint32_t valid = FATTR_MTIME;
return (in->header.opcode == FUSE_SETATTR &&
in->header.nodeid == ino &&
in->body.setattr.valid == valid &&
in->body.setattr.mtime == newtimes[1].tv_sec &&
in->body.setattr.mtimensec ==
newtimes[1].tv_nsec);
}, Eq(true)),
_)
).WillOnce(Invoke([=](auto in, auto out) {
out->header.unique = in->header.unique;
SET_OUT_HEADER_LEN(out, attr);
out->body.attr.attr.ino = ino; // Must match nodeid
out->body.attr.attr.mode = S_IFREG | 0644;
out->body.attr.attr.atime = oldtimes[0].tv_sec;
out->body.attr.attr.atimensec = oldtimes[0].tv_nsec;
out->body.attr.attr.mtime = newtimes[1].tv_sec;
out->body.attr.attr.mtimensec = newtimes[1].tv_nsec;
}));
EXPECT_EQ(0, utimensat(AT_FDCWD, FULLPATH, &newtimes[0], 0))
<< strerror(errno);
}
/*
* Writethrough cache: newly changed attributes should be automatically cached,
* if the filesystem allows it
*/
//TODO TEST_F(Setattr, writethrough_cache){}