| // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <errno.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/stat.h> |
| |
| #include "gtest/gtest.h" |
| |
| #include "nacl_io/kernel_intercept.h" |
| #include "nacl_io/kernel_proxy.h" |
| |
| using namespace nacl_io; |
| |
| namespace { |
| |
| class SyscallsTest : public ::testing::Test { |
| public: |
| SyscallsTest() {} |
| |
| void SetUp() { |
| ASSERT_EQ(0, ki_push_state_for_testing()); |
| ASSERT_EQ(0, ki_init(&kp_)); |
| // Unmount the passthrough FS and mount a memfs. |
| EXPECT_EQ(0, kp_.umount("/")); |
| EXPECT_EQ(0, kp_.mount("", "/", "memfs", 0, NULL)); |
| } |
| |
| void TearDown() { ki_uninit(); } |
| |
| protected: |
| KernelProxy kp_; |
| }; |
| |
| } // namespace |
| |
| #if defined(__native_client__) || defined(STANDALONE) |
| |
| // The Linux standalone test is unique in that it calls the real Linux |
| // functions (realpath, mkdir, chdir, etc.), not the nacl_io functions. This is |
| // done to show that the tests match the behavior for a real implementation. |
| |
| TEST_F(SyscallsTest, Realpath) { |
| char buffer[PATH_MAX]; |
| int result; |
| |
| #if defined(__native_client__) |
| ASSERT_EQ(0, mkdir("/tmp", S_IRUSR | S_IWUSR)); |
| #endif |
| |
| result = mkdir("/tmp/bar", S_IRUSR | S_IWUSR); |
| #if defined(__native_client__) |
| ASSERT_EQ(0, result); |
| #else |
| if (result == -1) { |
| ASSERT_EQ(EEXIST, errno); |
| } else { |
| ASSERT_EQ(0, result); |
| } |
| #endif |
| |
| int fd = open("/tmp/file", O_CREAT | O_RDWR, 0644); |
| ASSERT_GT(fd, -1); |
| ASSERT_EQ(0, close(fd)); |
| |
| // Test absolute paths. |
| EXPECT_STREQ("/", realpath("/", buffer)); |
| EXPECT_STREQ("/", realpath("/tmp/..", buffer)); |
| EXPECT_STREQ("/tmp", realpath("/tmp", buffer)); |
| EXPECT_STREQ("/tmp", realpath("/tmp/", buffer)); |
| EXPECT_STREQ("/tmp", realpath("/tmp/bar/..", buffer)); |
| EXPECT_STREQ("/tmp", realpath("/tmp/bar/../bar/../../tmp", buffer)); |
| EXPECT_STREQ("/tmp", realpath("/tmp/././", buffer)); |
| EXPECT_STREQ("/tmp", realpath("///tmp", buffer)); |
| EXPECT_STREQ("/tmp/bar", realpath("/tmp/bar", buffer)); |
| |
| EXPECT_EQ(NULL, realpath("/blah", buffer)); |
| EXPECT_EQ(ENOENT, errno); |
| |
| EXPECT_EQ(NULL, realpath("/blah/blah", buffer)); |
| EXPECT_EQ(ENOENT, errno); |
| |
| EXPECT_EQ(NULL, realpath("/tmp/baz/..", buffer)); |
| EXPECT_EQ(ENOENT, errno); |
| |
| EXPECT_EQ(NULL, realpath("/tmp/file/", buffer)); |
| EXPECT_EQ(ENOTDIR, errno); |
| |
| EXPECT_EQ(NULL, realpath(NULL, buffer)); |
| EXPECT_EQ(EINVAL, errno); |
| |
| // Test relative paths. |
| EXPECT_EQ(0, chdir("/tmp")); |
| |
| EXPECT_STREQ("/", realpath("..", buffer)); |
| EXPECT_STREQ("/tmp", realpath(".", buffer)); |
| EXPECT_STREQ("/tmp", realpath("./", buffer)); |
| EXPECT_STREQ("/tmp", realpath("bar/..", buffer)); |
| EXPECT_STREQ("/tmp", realpath("bar/../../tmp", buffer)); |
| EXPECT_STREQ("/tmp", realpath(".///", buffer)); |
| EXPECT_STREQ("/tmp/bar", realpath("bar", buffer)); |
| |
| // Test when resolved_path is allocated. |
| char* allocated = realpath("/tmp", NULL); |
| EXPECT_STREQ("/tmp", allocated); |
| free(allocated); |
| } |
| |
| #endif // defined(__native_client__) || defined(STANDALONE) |