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 extern const uint32_t libfuse_max_write;
44 extern const uint32_t default_max_write;
45 class FuseTest : public ::testing::Test {
47 uint32_t m_maxreadahead;
49 uint32_t m_init_flags;
51 bool m_default_permissions;
52 uint32_t m_kernel_minor_version;
53 enum poll_method m_pm;
54 bool m_push_symlinks_in;
58 MockFS *m_mock = NULL;
59 const static uint64_t FH = 0xdeadbeef1a7ebabe;
66 m_maxwrite(default_max_write),
69 m_default_permissions(false),
70 m_kernel_minor_version(FUSE_KERNEL_MINOR_VERSION),
72 m_push_symlinks_in(false),
80 virtual void TearDown() {
86 * Create an expectation that FUSE_ACCESS will be called once for the
87 * given inode with the given access_mode, returning the given errno
89 void expect_access(uint64_t ino, mode_t access_mode, int error);
91 /* Expect FUSE_DESTROY and shutdown the daemon */
92 void expect_destroy(int error);
95 * Create an expectation that FUSE_FLUSH will be called times times for
98 void expect_flush(uint64_t ino, int times, ProcessMockerT r);
101 * Create an expectation that FUSE_FORGET will be called for the given
102 * inode. There will be no response. If sem is provided, it will be
103 * posted after the operation is received by the daemon.
105 void expect_forget(uint64_t ino, uint64_t nlookup, sem_t *sem = NULL);
108 * Create an expectation that FUSE_GETATTR will be called for the given
109 * inode any number of times. It will respond with a few basic
110 * attributes, like the given size and the mode S_IFREG | 0644
112 void expect_getattr(uint64_t ino, uint64_t size);
115 * Create an expectation that FUSE_LOOKUP will be called for the given
116 * path exactly times times and cache validity period. It will respond
117 * with inode ino, mode mode, filesize size.
119 void expect_lookup(const char *relpath, uint64_t ino, mode_t mode,
120 uint64_t size, int times, uint64_t attr_valid = UINT64_MAX,
121 uid_t uid = 0, gid_t gid = 0);
123 /* The protocol 7.8 version of expect_lookup */
124 void expect_lookup_7_8(const char *relpath, uint64_t ino, mode_t mode,
125 uint64_t size, int times, uint64_t attr_valid = UINT64_MAX,
126 uid_t uid = 0, gid_t gid = 0);
129 * Create an expectation that FUSE_OPEN will be called for the given
130 * inode exactly times times. It will return with open_flags flags and
133 void expect_open(uint64_t ino, uint32_t flags, int times);
136 * Create an expectation that FUSE_OPENDIR will be called exactly once
139 void expect_opendir(uint64_t ino);
142 * Create an expectation that FUSE_READ will be called exactly once for
143 * the given inode, at offset offset and with size isize. It will
144 * return the first osize bytes from contents
146 * Protocol 7.8 tests can use this same expectation method because
147 * nothing currently validates the size of the fuse_read_in struct.
149 void expect_read(uint64_t ino, uint64_t offset, uint64_t isize,
150 uint64_t osize, const void *contents, int flags = -1);
153 * Create an expectation that FUSE_READIR will be called any number of
154 * times on the given ino with the given offset, returning (by copy)
155 * the provided entries
157 void expect_readdir(uint64_t ino, uint64_t off,
158 std::vector<struct dirent> &ents);
161 * Create an expectation that FUSE_RELEASE will be called exactly once
162 * for the given inode and filehandle, returning success
164 void expect_release(uint64_t ino, uint64_t fh);
167 * Create an expectation that FUSE_RELEASEDIR will be called exactly
168 * once for the given inode
170 void expect_releasedir(uint64_t ino, ProcessMockerT r);
173 * Create an expectation that FUSE_UNLINK will be called exactly once
174 * for the given path, returning an errno
176 void expect_unlink(uint64_t parent, const char *path, int error);
179 * Create an expectation that FUSE_WRITE will be called exactly once
180 * for the given inode, at offset offset, with size isize and buffer
181 * contents. Any flags present in flags_set must be set, and any
182 * present in flags_unset must not be set. Other flags are don't care.
183 * It will return osize.
185 void expect_write(uint64_t ino, uint64_t offset, uint64_t isize,
186 uint64_t osize, uint32_t flags_set, uint32_t flags_unset,
187 const void *contents);
189 /* Protocol 7.8 version of expect_write */
190 void expect_write_7_8(uint64_t ino, uint64_t offset, uint64_t isize,
191 uint64_t osize, const void *contents);
194 * Helper that runs code in a child process.
196 * First, parent_func runs in the parent process.
197 * Then, child_func runs in the child process, dropping privileges if
199 * Finally, fusetest_fork returns.
203 * fusetest_fork may SKIP the test, which the caller should detect with
204 * the IsSkipped() method. If not, then the child's exit status will
205 * be returned in status.
207 void fork(bool drop_privs, int *status,
208 std::function<void()> parent_func,
209 std::function<int()> child_func);