143 lines
4.4 KiB
C++
143 lines
4.4 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 <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 Open: public FuseTest {};
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/*
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* The fuse daemon fails the request with enoent. This usually indicates a
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* race condition: some other FUSE client removed the file in between when the
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* kernel checked for it with lookup and tried to open it
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*/
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TEST_F(Open, enoent)
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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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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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}));
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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(ReturnErrno(ENOENT)));
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EXPECT_NE(0, open(FULLPATH, O_RDONLY));
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EXPECT_EQ(ENOENT, errno);
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}
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/*
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* The daemon is responsible for checking file permissions (unless the
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* default_permissions mount option was used)
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*/
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TEST_F(Open, 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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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 | 0644;
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out->body.entry.nodeid = ino;
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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(ReturnErrno(EPERM)));
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EXPECT_NE(0, open(FULLPATH, O_RDONLY));
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EXPECT_EQ(EPERM, errno);
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}
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TEST_F(Open, ok)
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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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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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}));
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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 | 0644;
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}));
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fd = open(FULLPATH, O_RDONLY);
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EXPECT_LE(0, fd) << 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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