2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2019 The FreeBSD Foundation
6 * This software was developed by BFF Storage Systems, LLC under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 typedef struct _sem sem_t;
34 /* Nanoseconds to sleep, for tests that must */
35 #define NAP_NS (100'000'000)
37 void get_unprivileged_id(uid_t *uid, gid_t *gid);
40 usleep(NAP_NS / 1000);
43 class FuseTest : public ::testing::Test {
45 uint32_t m_maxreadahead;
46 uint32_t m_init_flags;
48 bool m_default_permissions;
49 uint32_t m_kernel_minor_version;
50 enum poll_method m_pm;
51 bool m_push_symlinks_in;
53 MockFS *m_mock = NULL;
54 const static uint64_t FH = 0xdeadbeef1a7ebabe;
61 * libfuse's default max_readahead is UINT_MAX, though it can
64 m_maxreadahead(UINT_MAX),
67 m_default_permissions(false),
68 m_kernel_minor_version(FUSE_KERNEL_MINOR_VERSION),
70 m_push_symlinks_in(false),
76 virtual void TearDown() {
82 * Create an expectation that FUSE_ACCESS will be called once for the
83 * given inode with the given access_mode, returning the given errno
85 void expect_access(uint64_t ino, mode_t access_mode, int error);
87 /* Expect FUSE_DESTROY and shutdown the daemon */
88 void expect_destroy(int error);
91 * Create an expectation that FUSE_FLUSH will be called times times for
94 void expect_flush(uint64_t ino, int times, ProcessMockerT r);
97 * Create an expectation that FUSE_FORGET will be called for the given
98 * inode. There will be no response. If sem is provided, it will be
99 * posted after the operation is received by the daemon.
101 void expect_forget(uint64_t ino, uint64_t nlookup, sem_t *sem = NULL);
104 * Create an expectation that FUSE_GETATTR will be called for the given
105 * inode any number of times. It will respond with a few basic
106 * attributes, like the given size and the mode S_IFREG | 0644
108 void expect_getattr(uint64_t ino, uint64_t size);
111 * Create an expectation that FUSE_LOOKUP will be called for the given
112 * path exactly times times and cache validity period. It will respond
113 * with inode ino, mode mode, filesize size.
115 void expect_lookup(const char *relpath, uint64_t ino, mode_t mode,
116 uint64_t size, int times, uint64_t attr_valid = UINT64_MAX,
117 uid_t uid = 0, gid_t gid = 0);
119 /* The protocol 7.8 version of expect_lookup */
120 void expect_lookup_7_8(const char *relpath, uint64_t ino, mode_t mode,
121 uint64_t size, int times, uint64_t attr_valid = UINT64_MAX,
122 uid_t uid = 0, gid_t gid = 0);
125 * Create an expectation that FUSE_OPEN will be called for the given
126 * inode exactly times times. It will return with open_flags flags and
129 void expect_open(uint64_t ino, uint32_t flags, int times);
132 * Create an expectation that FUSE_OPENDIR will be called exactly once
135 void expect_opendir(uint64_t ino);
138 * Create an expectation that FUSE_READ will be called exactly once for
139 * the given inode, at offset offset and with size isize. It will
140 * return the first osize bytes from contents
142 * Protocol 7.8 tests can use this same expectation method because
143 * nothing currently validates the size of the fuse_read_in struct.
145 void expect_read(uint64_t ino, uint64_t offset, uint64_t isize,
146 uint64_t osize, const void *contents, int flags = -1);
149 * Create an expectation that FUSE_READIR will be called any number of
150 * times on the given ino with the given offset, returning (by copy)
151 * the provided entries
153 void expect_readdir(uint64_t ino, uint64_t off,
154 std::vector<struct dirent> &ents);
157 * Create an expectation that FUSE_RELEASE will be called exactly once
158 * for the given inode and filehandle, returning success
160 void expect_release(uint64_t ino, uint64_t fh);
163 * Create an expectation that FUSE_RELEASEDIR will be called exactly
164 * once for the given inode
166 void expect_releasedir(uint64_t ino, ProcessMockerT r);
169 * Create an expectation that FUSE_UNLINK will be called exactly once
170 * for the given path, returning an errno
172 void expect_unlink(uint64_t parent, const char *path, int error);
175 * Create an expectation that FUSE_WRITE will be called exactly once
176 * for the given inode, at offset offset, with size isize and buffer
177 * contents. Any flags present in flags_set must be set, and any
178 * present in flags_unset must not be set. Other flags are don't care.
179 * It will return osize.
181 void expect_write(uint64_t ino, uint64_t offset, uint64_t isize,
182 uint64_t osize, uint32_t flags_set, uint32_t flags_unset,
183 const void *contents);
185 /* Protocol 7.8 version of expect_write */
186 void expect_write_7_8(uint64_t ino, uint64_t offset, uint64_t isize,
187 uint64_t osize, const void *contents);
190 * Helper that runs code in a child process.
192 * First, parent_func runs in the parent process.
193 * Then, child_func runs in the child process, dropping privileges if
195 * Finally, fusetest_fork returns.
199 * fusetest_fork may SKIP the test, which the caller should detect with
200 * the IsSkipped() method. If not, then the child's exit status will
201 * be returned in status.
203 void fork(bool drop_privs, int *status,
204 std::function<void()> parent_func,
205 std::function<int()> child_func);