484 lines
15 KiB
C++
484 lines
15 KiB
C++
/*-
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* Copyright (c) 2019 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by BFF Storage Systems, LLC under sponsorship
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* from 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 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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extern "C" {
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#include <sys/stat.h>
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#include <fcntl.h>
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}
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#include "mockfs.hh"
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#include "utils.hh"
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using namespace testing;
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class Setattr : public FuseTest {};
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/* Change the mode of a file */
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TEST_F(Setattr, chmod)
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{
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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const mode_t oldmode = 0755;
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const mode_t newmode = 0644;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | oldmode;
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out->body.entry.nodeid = ino;
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out->body.entry.attr.mode = S_IFREG | oldmode;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_MODE;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.mode == newmode);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | newmode;
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}));
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EXPECT_EQ(0, chmod(FULLPATH, newmode)) << strerror(errno);
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}
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/* Change the owner and group of a file */
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TEST_F(Setattr, chown)
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{
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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const gid_t oldgroup = 66;
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const gid_t newgroup = 99;
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const uid_t olduser = 33;
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const uid_t newuser = 44;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0644;
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out->body.entry.nodeid = ino;
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out->body.entry.attr.gid = oldgroup;
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out->body.entry.attr.uid = olduser;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_GID | FATTR_UID;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.uid == newuser &&
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in->body.setattr.gid == newgroup);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0644;
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out->body.attr.attr.uid = newuser;
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out->body.attr.attr.gid = newgroup;
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}));
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EXPECT_EQ(0, chown(FULLPATH, newuser, newgroup)) << strerror(errno);
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}
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/*
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* FUSE daemons are allowed to check permissions however they like. If the
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* daemon returns EPERM, even if the file permissions "should" grant access,
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* then fuse(4) should return EPERM too.
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*/
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TEST_F(Setattr, eperm)
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{
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0777;
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out->body.entry.nodeid = ino;
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out->body.entry.attr.uid = in->header.uid;
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out->body.entry.attr.gid = in->header.gid;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillOnce(Invoke(ReturnErrno(EPERM)));
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EXPECT_NE(0, truncate(FULLPATH, 10));
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EXPECT_EQ(EPERM, errno);
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}
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/* Change the mode of an open file, by its file descriptor */
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TEST_F(Setattr, fchmod)
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{
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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uint64_t ino = 42;
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int fd;
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const mode_t oldmode = 0755;
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const mode_t newmode = 0644;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | oldmode;
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out->body.entry.nodeid = ino;
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out->body.entry.attr_valid = UINT64_MAX;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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return (in->header.opcode == FUSE_OPEN &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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out->header.len = sizeof(out->header);
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SET_OUT_HEADER_LEN(out, open);
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}));
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/* Until the attr cache is working, we may send an additional GETATTR */
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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return (in->header.opcode == FUSE_GETATTR &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillRepeatedly(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | oldmode;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_MODE;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.mode == newmode);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | newmode;
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}));
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fd = open(FULLPATH, O_RDONLY);
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ASSERT_LE(0, fd) << strerror(errno);
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ASSERT_EQ(0, fchmod(fd, newmode)) << strerror(errno);
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/* Deliberately leak fd. close(2) will be tested in release.cc */
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}
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/* Change the size of an open file, by its file descriptor */
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TEST_F(Setattr, ftruncate)
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{
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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uint64_t ino = 42;
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int fd;
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uint64_t fh = 0xdeadbeef1a7ebabe;
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const off_t oldsize = 99;
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const off_t newsize = 12345;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0755;
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out->body.entry.nodeid = ino;
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out->body.entry.attr_valid = UINT64_MAX;
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out->body.entry.attr.size = oldsize;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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return (in->header.opcode == FUSE_OPEN &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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out->header.len = sizeof(out->header);
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SET_OUT_HEADER_LEN(out, open);
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out->body.open.fh = fh;
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}));
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/* Until the attr cache is working, we may send an additional GETATTR */
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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return (in->header.opcode == FUSE_GETATTR &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillRepeatedly(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0755;
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out->body.attr.attr.size = oldsize;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_SIZE | FATTR_FH;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.fh == fh);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0755;
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out->body.attr.attr.size = newsize;
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}));
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fd = open(FULLPATH, O_RDWR);
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ASSERT_LE(0, fd) << strerror(errno);
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ASSERT_EQ(0, ftruncate(fd, newsize)) << strerror(errno);
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/* Deliberately leak fd. close(2) will be tested in release.cc */
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}
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/* Change the size of the file */
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TEST_F(Setattr, truncate) {
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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const uint64_t oldsize = 100'000'000;
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const uint64_t newsize = 20'000'000;
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0644;
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out->body.entry.nodeid = ino;
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out->body.entry.attr.size = oldsize;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_SIZE;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.size == newsize);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0644;
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out->body.attr.attr.size = newsize;
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}));
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EXPECT_EQ(0, truncate(FULLPATH, newsize)) << strerror(errno);
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}
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/* Change a file's timestamps */
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TEST_F(Setattr, utimensat) {
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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const timespec oldtimes[2] = {
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{.tv_sec = 1, .tv_nsec = 2},
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{.tv_sec = 3, .tv_nsec = 4},
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};
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const timespec newtimes[2] = {
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{.tv_sec = 5, .tv_nsec = 6},
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{.tv_sec = 7, .tv_nsec = 8},
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};
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0644;
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out->body.entry.nodeid = ino;
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out->body.entry.attr_valid = UINT64_MAX;
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out->body.entry.attr.atime = oldtimes[0].tv_sec;
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out->body.entry.attr.atimensec = oldtimes[0].tv_nsec;
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out->body.entry.attr.mtime = oldtimes[1].tv_sec;
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out->body.entry.attr.mtimensec = oldtimes[1].tv_nsec;
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}));
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/*
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* Until bug 235775 is fixed, utimensat will make an extra FUSE_GETATTR
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* call
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*/
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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return (in->header.opcode == FUSE_GETATTR &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0644;
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out->body.attr.attr.atime = oldtimes[0].tv_sec;
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out->body.attr.attr.atimensec = oldtimes[0].tv_nsec;
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out->body.attr.attr.mtime = oldtimes[1].tv_sec;
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out->body.attr.attr.mtimensec = oldtimes[1].tv_nsec;
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}));
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EXPECT_CALL(*m_mock, process(
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ResultOf([=](auto in) {
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/* In protocol 7.23, ctime will be changed too */
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uint32_t valid = FATTR_ATIME | FATTR_MTIME;
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return (in->header.opcode == FUSE_SETATTR &&
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in->header.nodeid == ino &&
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in->body.setattr.valid == valid &&
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in->body.setattr.atime == newtimes[0].tv_sec &&
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in->body.setattr.atimensec ==
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newtimes[0].tv_nsec &&
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in->body.setattr.mtime == newtimes[1].tv_sec &&
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in->body.setattr.mtimensec ==
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newtimes[1].tv_nsec);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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out->body.attr.attr.ino = ino; // Must match nodeid
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out->body.attr.attr.mode = S_IFREG | 0644;
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out->body.attr.attr.atime = newtimes[0].tv_sec;
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out->body.attr.attr.atimensec = newtimes[0].tv_nsec;
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out->body.attr.attr.mtime = newtimes[1].tv_sec;
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out->body.attr.attr.mtimensec = newtimes[1].tv_nsec;
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}));
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EXPECT_EQ(0, utimensat(AT_FDCWD, FULLPATH, &newtimes[0], 0))
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<< strerror(errno);
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}
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/* Change a file mtime but not its atime */
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TEST_F(Setattr, utimensat_mtime_only) {
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const char FULLPATH[] = "mountpoint/some_file.txt";
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const char RELPATH[] = "some_file.txt";
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const uint64_t ino = 42;
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const timespec oldtimes[2] = {
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{.tv_sec = 1, .tv_nsec = 2},
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{.tv_sec = 3, .tv_nsec = 4},
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};
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const timespec newtimes[2] = {
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{.tv_sec = 5, .tv_nsec = UTIME_OMIT},
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{.tv_sec = 7, .tv_nsec = 8},
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};
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EXPECT_LOOKUP(RELPATH).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, entry);
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out->body.entry.attr.mode = S_IFREG | 0644;
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out->body.entry.nodeid = ino;
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out->body.entry.attr_valid = UINT64_MAX;
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out->body.entry.attr.atime = oldtimes[0].tv_sec;
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out->body.entry.attr.atimensec = oldtimes[0].tv_nsec;
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out->body.entry.attr.mtime = oldtimes[1].tv_sec;
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out->body.entry.attr.mtimensec = oldtimes[1].tv_nsec;
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}));
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/*
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* Until bug 235775 is fixed, utimensat will make an extra FUSE_GETATTR
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* call
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*/
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EXPECT_CALL(*m_mock, process(
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ResultOf([](auto in) {
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return (in->header.opcode == FUSE_GETATTR &&
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in->header.nodeid == ino);
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}, Eq(true)),
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_)
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).WillOnce(Invoke([=](auto in, auto out) {
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out->header.unique = in->header.unique;
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SET_OUT_HEADER_LEN(out, attr);
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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){}
|