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
41 using namespace testing;
44 class Readdir: public FuseTest {
46 void expect_lookup(const char *relpath, uint64_t ino)
48 FuseTest::expect_lookup(relpath, ino, S_IFDIR | 0755, 0, 1);
52 class Readdir_7_8: public Readdir {
54 virtual void SetUp() {
55 m_kernel_minor_version = 8;
59 void expect_lookup(const char *relpath, uint64_t ino)
61 FuseTest::expect_lookup_7_8(relpath, ino, S_IFDIR | 0755, 0, 1);
65 /* FUSE_READDIR returns nothing but "." and ".." */
68 const char FULLPATH[] = "mountpoint/some_dir";
69 const char RELPATH[] = "some_dir";
73 vector<struct dirent> ents(2);
74 vector<struct dirent> empty_ents(0);
75 const char dot[] = ".";
76 const char dotdot[] = "..";
78 expect_lookup(RELPATH, ino);
82 ents[0].d_namlen = sizeof(dotdot);
83 ents[0].d_type = DT_DIR;
84 strncpy(ents[0].d_name, dotdot, ents[0].d_namlen);
87 ents[1].d_namlen = sizeof(dot);
88 ents[1].d_type = DT_DIR;
89 strncpy(ents[1].d_name, dot, ents[1].d_namlen);
90 expect_readdir(ino, 0, ents);
91 expect_readdir(ino, 3000, empty_ents);
94 dir = opendir(FULLPATH);
95 ASSERT_NE(nullptr, dir) << strerror(errno);
99 ASSERT_NE(nullptr, de) << strerror(errno);
100 EXPECT_EQ(2ul, de->d_fileno);
102 * fuse(4) doesn't actually set d_off, which is ok for now because
105 //EXPECT_EQ(2000, de->d_off);
106 EXPECT_EQ(DT_DIR, de->d_type);
107 EXPECT_EQ(sizeof(dotdot), de->d_namlen);
108 EXPECT_EQ(0, strcmp(dotdot, de->d_name));
112 ASSERT_NE(nullptr, de) << strerror(errno);
113 EXPECT_EQ(3ul, de->d_fileno);
114 //EXPECT_EQ(3000, de->d_off);
115 EXPECT_EQ(DT_DIR, de->d_type);
116 EXPECT_EQ(sizeof(dot), de->d_namlen);
117 EXPECT_EQ(0, strcmp(dot, de->d_name));
119 ASSERT_EQ(nullptr, readdir(dir));
127 const char FULLPATH[] = "mountpoint/some_dir";
128 const char RELPATH[] = "some_dir";
133 expect_lookup(RELPATH, ino);
135 EXPECT_CALL(*m_mock, process(
136 ResultOf([=](auto in) {
137 return (in.header.opcode == FUSE_READDIR &&
138 in.header.nodeid == ino &&
139 in.body.readdir.offset == 0);
142 ).WillOnce(Invoke(ReturnErrno(EIO)));
145 dir = opendir(FULLPATH);
146 ASSERT_NE(nullptr, dir) << strerror(errno);
150 ASSERT_EQ(nullptr, de);
151 ASSERT_EQ(EIO, errno);
156 /* getdirentries(2) can use a larger buffer size than readdir(3) */
157 TEST_F(Readdir, getdirentries)
159 const char FULLPATH[] = "mountpoint/some_dir";
160 const char RELPATH[] = "some_dir";
166 expect_lookup(RELPATH, ino);
169 EXPECT_CALL(*m_mock, process(
170 ResultOf([=](auto in) {
171 return (in.header.opcode == FUSE_READDIR &&
172 in.header.nodeid == ino &&
173 in.body.readdir.size == 8192);
176 ).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
177 out.header.error = 0;
178 out.header.len = sizeof(out.header);
181 fd = open(FULLPATH, O_DIRECTORY);
182 ASSERT_LE(0, fd) << strerror(errno);
183 r = getdirentries(fd, buf, sizeof(buf), 0);
184 ASSERT_EQ(0, r) << strerror(errno);
190 * Nothing bad should happen if getdirentries is called on two file descriptors
191 * which were concurrently open, but one has already been closed.
192 * This is a regression test for a specific bug dating from r238402.
194 TEST_F(Readdir, getdirentries_concurrent)
196 const char FULLPATH[] = "mountpoint/some_dir";
197 const char RELPATH[] = "some_dir";
203 FuseTest::expect_lookup(RELPATH, ino, S_IFDIR | 0755, 0, 2);
206 EXPECT_CALL(*m_mock, process(
207 ResultOf([=](auto in) {
208 return (in.header.opcode == FUSE_READDIR &&
209 in.header.nodeid == ino &&
210 in.body.readdir.size == 8192);
214 .WillRepeatedly(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
215 out.header.error = 0;
216 out.header.len = sizeof(out.header);
219 fd0 = open(FULLPATH, O_DIRECTORY);
220 ASSERT_LE(0, fd0) << strerror(errno);
222 fd1 = open(FULLPATH, O_DIRECTORY);
223 ASSERT_LE(0, fd1) << strerror(errno);
225 r = getdirentries(fd0, buf, sizeof(buf), 0);
226 ASSERT_EQ(0, r) << strerror(errno);
228 EXPECT_EQ(0, close(fd0)) << strerror(errno);
230 r = getdirentries(fd1, buf, sizeof(buf), 0);
231 ASSERT_EQ(0, r) << strerror(errno);
238 * FUSE_READDIR returns nothing, not even "." and "..". This is legal, though
239 * the filesystem obviously won't be fully functional.
241 TEST_F(Readdir, nodots)
243 const char FULLPATH[] = "mountpoint/some_dir";
244 const char RELPATH[] = "some_dir";
248 expect_lookup(RELPATH, ino);
251 EXPECT_CALL(*m_mock, process(
252 ResultOf([=](auto in) {
253 return (in.header.opcode == FUSE_READDIR &&
254 in.header.nodeid == ino);
257 ).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
258 out.header.error = 0;
259 out.header.len = sizeof(out.header);
263 dir = opendir(FULLPATH);
264 ASSERT_NE(nullptr, dir) << strerror(errno);
266 ASSERT_EQ(nullptr, readdir(dir));
272 /* telldir(3) and seekdir(3) should work with fuse */
273 TEST_F(Readdir, seekdir)
275 const char FULLPATH[] = "mountpoint/some_dir";
276 const char RELPATH[] = "some_dir";
281 * use enough entries to be > 4096 bytes, so getdirentries must be
285 vector<struct dirent> ents0(122), ents1(102), ents2(30);
289 for (auto& it: ents0) {
290 snprintf(it.d_name, MAXNAMLEN, "file.%d", i);
292 it.d_off = (2 + i) * 1000;
293 it.d_namlen = strlen(it.d_name);
297 for (auto& it: ents1) {
298 snprintf(it.d_name, MAXNAMLEN, "file.%d", i);
300 it.d_off = (2 + i) * 1000;
301 it.d_namlen = strlen(it.d_name);
305 for (auto& it: ents2) {
306 snprintf(it.d_name, MAXNAMLEN, "file.%d", i);
308 it.d_off = (2 + i) * 1000;
309 it.d_namlen = strlen(it.d_name);
314 expect_lookup(RELPATH, ino);
317 expect_readdir(ino, 0, ents0);
318 expect_readdir(ino, 123000, ents1);
319 expect_readdir(ino, 225000, ents2);
322 dir = opendir(FULLPATH);
323 ASSERT_NE(nullptr, dir) << strerror(errno);
325 for (i=0; i < 128; i++) {
328 ASSERT_NE(nullptr, de) << strerror(errno);
329 EXPECT_EQ(2 + (ino_t)i, de->d_fileno);
331 bookmark = telldir(dir);
333 for (; i < 232; i++) {
336 ASSERT_NE(nullptr, de) << strerror(errno);
337 EXPECT_EQ(2 + (ino_t)i, de->d_fileno);
340 seekdir(dir, bookmark);
342 ASSERT_NE(nullptr, de) << strerror(errno);
343 EXPECT_EQ(130ul, de->d_fileno);
348 TEST_F(Readdir_7_8, nodots)
350 const char FULLPATH[] = "mountpoint/some_dir";
351 const char RELPATH[] = "some_dir";
355 expect_lookup(RELPATH, ino);
358 EXPECT_CALL(*m_mock, process(
359 ResultOf([=](auto in) {
360 return (in.header.opcode == FUSE_READDIR &&
361 in.header.nodeid == ino);
364 ).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
365 out.header.error = 0;
366 out.header.len = sizeof(out.header);
370 dir = opendir(FULLPATH);
371 ASSERT_NE(nullptr, dir) << strerror(errno);
373 ASSERT_EQ(nullptr, readdir(dir));