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https://github.com/RGBCube/serenity
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8b95423b50
This class parses UNIX file permissions definitions in numeric (octal) or symbolic (ugoa+rwx) format and can apply them on a given file mode.
83 lines
3 KiB
C++
83 lines
3 KiB
C++
/*
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* Copyright (c) 2021, Xavier Defrang <xavier.defrang@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/FilePermissionsMask.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(file_permission_mask_from_symbolic_notation)
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{
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auto mask = Core::FilePermissionsMask::from_symbolic_notation(""sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0);
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EXPECT_EQ(mask.value().write_mask(), 0);
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EXPECT_EQ(mask.value().apply(0), 0);
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EXPECT_EQ(mask.value().apply(0664), 0664);
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mask = Core::FilePermissionsMask::from_symbolic_notation("u+rwx"sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0);
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EXPECT_EQ(mask.value().write_mask(), 0700);
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EXPECT_EQ(mask.value().apply(0), 0700);
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EXPECT_EQ(mask.value().apply(0664), 0764);
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mask = Core::FilePermissionsMask::from_symbolic_notation("g+rwx"sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0);
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EXPECT_EQ(mask.value().write_mask(), 0070);
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EXPECT_EQ(mask.value().apply(0), 0070);
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EXPECT_EQ(mask.value().apply(0664), 0674);
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mask = Core::FilePermissionsMask::from_symbolic_notation("o+rwx"sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0);
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EXPECT_EQ(mask.value().write_mask(), 0007);
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EXPECT_EQ(mask.value().apply(0), 0007);
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EXPECT_EQ(mask.value().apply(0664), 0667);
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mask = Core::FilePermissionsMask::from_symbolic_notation("a=rx"sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0777);
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EXPECT_EQ(mask.value().write_mask(), 0555);
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EXPECT_EQ(mask.value().apply(0), 0555);
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EXPECT_EQ(mask.value().apply(0664), 0555);
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mask = Core::FilePermissionsMask::from_symbolic_notation("u+rw,g=rx,o-rwx"sv);
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EXPECT(!mask.is_error());
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EXPECT_EQ(mask.value().clear_mask(), 0077);
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EXPECT_EQ(mask.value().write_mask(), 0650);
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EXPECT_EQ(mask.value().apply(0), 0650);
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EXPECT_EQ(mask.value().apply(0177), 0750);
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mask = Core::FilePermissionsMask::from_symbolic_notation("z+rw"sv);
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EXPECT(mask.is_error());
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mask = Core::FilePermissionsMask::from_symbolic_notation("u*rw"sv);
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EXPECT(mask.is_error());
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mask = Core::FilePermissionsMask::from_symbolic_notation("u+rz"sv);
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EXPECT(mask.is_error());
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mask = Core::FilePermissionsMask::from_symbolic_notation("u+rw;g+rw"sv);
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EXPECT(mask.is_error());
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}
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TEST_CASE(file_permission_mask_parse)
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{
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auto numeric_mask = Core::FilePermissionsMask::parse("750"sv);
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auto symbolic_mask = Core::FilePermissionsMask::parse("u=rwx,g=rx,o-rwx"sv);
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EXPECT_EQ(numeric_mask.value().apply(0), 0750);
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EXPECT_EQ(symbolic_mask.value().apply(0), 0750);
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EXPECT_EQ(numeric_mask.value().clear_mask(), symbolic_mask.value().clear_mask());
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EXPECT_EQ(numeric_mask.value().write_mask(), symbolic_mask.value().write_mask());
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auto mask = Core::FilePermissionsMask::parse("888");
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EXPECT(mask.is_error());
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mask = Core::FilePermissionsMask::parse("z+rw");
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EXPECT(mask.is_error());
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}
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