Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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carlossanlop wants to merge 8 commits into from
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Prevent exception when attempting to write PaxTarEntry obtained from TarReader #75237

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3bbdbd0
Prevent exception when collecting extended attributes before writing …
carlossanlop Sep 8, 2022
a2e9d66
Add tests
carlossanlop Sep 8, 2022
b53f9c6
Proper method name
carlossanlop Sep 8, 2022
6c25b36
Allow dictionary with reserved keys only when reading from an archive…
carlossanlop Sep 20, 2022
69981f9
Tests, sync and async
carlossanlop Sep 20, 2022
42cfe4f
Address minor feedback suggestions.
carlossanlop Sep 20, 2022
a27de47
Merge conflict fix
carlossanlop Sep 20, 2022
2fdaeb3
Escape test chars
carlossanlop Sep 20, 2022
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3 changes: 3 additions & 0 deletions src/libraries/System.Formats.Tar/src/Resources/Strings.resx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
<data name="TarPosixFormatExpected" xml:space="preserve">
<value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
</data>
<data name="TarReservedExtendedAttribute" xml:space="preserve">
<value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
</data>
<data name="TarSizeFieldNegative" xml:space="preserve">
<value>The size field is negative in a tar entry.</value>
</data>
Expand Down
4 changes: 2 additions & 2 deletions src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs
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Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
public GnuTarEntry(TarEntryType entryType, string entryName)
: base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
{
_header._aTime = _header._mTime; // mtime was set in base constructor
_header._cTime = _header._mTime;
_header._aTime = _header.MTime; // mtime was set in base constructor
_header._cTime = _header.MTime;
}

/// <summary>
Expand Down
2 changes: 1 addition & 1 deletion ...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs
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Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
: base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
{
ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
_header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
_header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
}

/// <summary>
Expand Down
12 changes: 6 additions & 6 deletions src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs
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Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
{
_header._prefix = string.Empty;

Debug.Assert(_header._mTime != default);
Debug.Assert(_header.MTime != default);
AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
}

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
ArgumentNullException.ThrowIfNull(extendedAttributes);

_header._prefix = string.Empty;
_header.InitializeExtendedAttributesWithExisting(extendedAttributes);
_header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

Debug.Assert(_header._mTime != default);
Debug.Assert(_header.MTime != default);
AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
}

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

if (other is PaxTarEntry paxOther)
{
_header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
_header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
}
else
{
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
// or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
{
Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

if (!containsATime || !containsCTime)
{
string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

if (!containsATime)
{
Expand Down
24 changes: 12 additions & 12 deletions src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs
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Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
: base(entryType, entryName, format, isGea)
{
_header._uName = string.Empty;
_header._gName = string.Empty;
_header.UName = string.Empty;
_header.GName = string.Empty;
_header._devMajor = 0;
_header._devMinor = 0;
}
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
{
if (other is PosixTarEntry)
{
Debug.Assert(other._header._uName != null);
Debug.Assert(other._header._gName != null);
_header._uName = other._header._uName;
_header._gName = other._header._gName;
Debug.Assert(other._header.UName != null);
Debug.Assert(other._header.GName != null);
_header.UName = other._header.UName;
_header.GName = other._header.GName;
_header._devMajor = other._header._devMajor;
_header._devMinor = other._header._devMinor;
}
_header._uName ??= string.Empty;
_header._gName ??= string.Empty;
_header.UName ??= string.Empty;
_header.GName ??= string.Empty;
}

/// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
/// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
public string GroupName
{
get => _header._gName ?? string.Empty;
get => _header.GName ?? string.Empty;
set
{
ArgumentNullException.ThrowIfNull(value);
_header._gName = value;
_header.GName = value;
}
}

Expand All@@ -114,11 +114,11 @@ public string GroupName
/// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
public string UserName
{
get => _header._uName ?? string.Empty;
get => _header.UName ?? string.Empty;
set
{
ArgumentNullException.ThrowIfNull(value);
_header._uName = value;
_header.UName = value;
}
}
}
Expand Down
16 changes: 8 additions & 8 deletions src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs
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Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
internal TarHeader _header;

// Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;

@jozkeejozkeeSep 20, 2022

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Suggested change
internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;


// Constructor called when reading a TarEntry from a TarReader.
internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
/// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
public DateTimeOffset ModificationTime
{
get => _header._mTime;
get => _header.MTime;
set
{
if (value < DateTimeOffset.UnixEpoch)
{
throw new ArgumentOutOfRangeException(nameof(value));
}
_header._mTime = value;
_header.MTime = value;
}
}

/// <summary>
/// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
/// </summary>
/// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

/// <summary>
/// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
/// <exception cref="ArgumentException">The specified value is empty.</exception>
public string LinkName
{
get => _header._linkName ?? string.Empty;
get => _header.LinkName ?? string.Empty;
set
{
if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
{
throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
}
ArgumentException.ThrowIfNullOrEmpty(value);
_header._linkName = value;
_header.LinkName = value;
}
}

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
/// </summary>
public string Name
{
get => _header._name;
get => _header.Name;
set
{
ArgumentException.ThrowIfNullOrEmpty(value);
_header._name = value;
_header.Name = value;
}
}

Expand Down
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Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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carlossanlop
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Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
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Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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 Closed

carlossanlop
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commits into

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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carlossanlop
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Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

carlossanlop
wants to merge
8
commits into

from

 Closed


Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
Show file tree
Hide file tree
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8 commits


Select commit
Hold shift + click to select a range
3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
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Address minor feedback suggestions.


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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
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if (__m === '*' || __re.test(location.href)) {
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function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
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// Try immediately
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// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
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setTimeout(tryTheater, 500);
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}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
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} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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 Closed

carlossanlop
wants to merge
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commits into

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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 Closed

carlossanlop
wants to merge
8
commits into

from

 Closed


Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader#75237

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Prevent exception when attempting to write PaxTarEntry obtained from TarReader
#75237
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3bbdbd0

Prevent exception when collecting extended attributes before writing …


carlossanlop Sep 8, 2022
a2e9d66

Add tests


carlossanlop Sep 8, 2022
b53f9c6

Proper method name


carlossanlop Sep 8, 2022
6c25b36

Allow dictionary with reserved keys only when reading from an archive…


carlossanlop Sep 20, 2022
69981f9

Tests, sync and async


carlossanlop Sep 20, 2022
42cfe4f

Address minor feedback suggestions.


carlossanlop Sep 20, 2022
a27de47

Merge conflict fix


carlossanlop Sep 20, 2022
2fdaeb3

Escape test chars


carlossanlop Sep 20, 2022

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3 changes: 3 additions & 0 deletions
src/libraries/System.Formats.Tar/src/Resources/Strings.resx

View file


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Original file line numberDiff line numberDiff line change
Expand Up@@ -234,6 +234,9 @@
 <data name="TarPosixFormatExpected" xml:space="preserve">
 <value>A POSIX format was expected (Ustar or PAX), but could not be reliably determined for entry '{0}'.</value>
 </data>
 <data name="TarReservedExtendedAttribute" xml:space="preserve">
 <value>The extended attributes dictionary cannot contain the reserved key '{0}'.</value>
 </data>
 <data name="TarSizeFieldNegative" xml:space="preserve">
 <value>The size field is negative in a tar entry.</value>
 </data>
Expand Down

4 changes: 2 additions & 2 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/GnuTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -33,8 +33,8 @@ internal GnuTarEntry(TarHeader header, TarReader readerOfOrigin)
 public GnuTarEntry(TarEntryType entryType, string entryName)
 : base(entryType, entryName, TarEntryFormat.Gnu, isGea: false)
 {
 _header._aTime = _header._mTime; // mtime was set in base constructor
 _header._cTime = _header._mTime;
 _header._aTime = _header.MTime; // mtime was set in base constructor
 _header._cTime = _header.MTime;
 }

 /// <summary>
Expand Down

2 changes: 1 addition & 1 deletion
...ibraries/System.Formats.Tar/src/System/Formats/Tar/PaxGlobalExtendedAttributesTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ public PaxGlobalExtendedAttributesTarEntry(IEnumerable<KeyValuePair<string, stri
 : base(TarEntryType.GlobalExtendedAttributes, TarHeader.GlobalHeadFormatPrefix, TarEntryFormat.Pax, isGea: true)
 {
 ArgumentNullException.ThrowIfNull(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(globalExtendedAttributes, allowReservedKeys: false);
 }

 /// <summary>
Expand Down

12 changes: 6 additions & 6 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PaxTarEntry.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -54,7 +54,7 @@ public PaxTarEntry(TarEntryType entryType, string entryName)
 {
 _header._prefix = string.Empty;

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand DownExpand Up@@ -94,9 +94,9 @@ public PaxTarEntry(TarEntryType entryType, string entryName, IEnumerable<KeyValu
 ArgumentNullException.ThrowIfNull(extendedAttributes);

 _header._prefix = string.Empty;
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(extendedAttributes, allowReservedKeys: false);

 Debug.Assert(_header._mTime != default);
 Debug.Assert(_header.MTime != default);
 AddNewAccessAndChangeTimestampsIfNotExist(useMTime: true);
 }

Expand All@@ -116,7 +116,7 @@ public PaxTarEntry(TarEntry other)

 if (other is PaxTarEntry paxOther)
 {
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes);
 _header.InitializeExtendedAttributesWithExisting(paxOther.ExtendedAttributes, allowReservedKeys: true);
 }
 else
 {
Expand DownExpand Up@@ -158,13 +158,13 @@ public PaxTarEntry(TarEntry other)
 // or 'DateTimeOffset.UtcNow', depending on the value of 'useMTime'.
 private void AddNewAccessAndChangeTimestampsIfNotExist(bool useMTime)
 {
 Debug.Assert(!useMTime || (useMTime && _header._mTime != default));
 Debug.Assert(!useMTime || (useMTime && _header.MTime != default));
 bool containsATime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaATime);
 bool containsCTime = _header.ExtendedAttributes.ContainsKey(TarHeader.PaxEaCTime);

 if (!containsATime || !containsCTime)
 {
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header._mTime : DateTimeOffset.UtcNow);
 string secondsFromEpochString = TarHelpers.GetTimestampStringFromDateTimeOffset(useMTime ? _header.MTime : DateTimeOffset.UtcNow);

 if (!containsATime)
 {
Expand Down

24 changes: 12 additions & 12 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/PosixTarEntry.cs

View file


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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,8 +22,8 @@ internal PosixTarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryForma
 internal PosixTarEntry(TarEntryType entryType, string entryName, TarEntryFormat format, bool isGea)
 : base(entryType, entryName, format, isGea)
 {
 _header._uName = string.Empty;
 _header._gName = string.Empty;
 _header.UName = string.Empty;
 _header.GName = string.Empty;
 _header._devMajor = 0;
 _header._devMinor = 0;
 }
Expand All@@ -34,15 +34,15 @@ internal PosixTarEntry(TarEntry other, TarEntryFormat format)
 {
 if (other is PosixTarEntry)
 {
 Debug.Assert(other._header._uName != null);
 Debug.Assert(other._header._gName != null);
 _header._uName = other._header._uName;
 _header._gName = other._header._gName;
 Debug.Assert(other._header.UName != null);
 Debug.Assert(other._header.GName != null);
 _header.UName = other._header.UName;
 _header.GName = other._header.GName;
 _header._devMajor = other._header._devMajor;
 _header._devMinor = other._header._devMinor;
 }
 _header._uName ??= string.Empty;
 _header._gName ??= string.Empty;
 _header.UName ??= string.Empty;
 _header.GName ??= string.Empty;
 }

 /// <summary>
Expand DownExpand Up@@ -99,11 +99,11 @@ public int DeviceMinor
 /// <remarks><see cref="GroupName"/> is only used in Unix platforms.</remarks>
 public string GroupName
 {
 get => _header._gName ?? string.Empty;
 get => _header.GName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._gName = value;
 _header.GName = value;
 }
 }

Expand All@@ -114,11 +114,11 @@ public string GroupName
 /// <exception cref="ArgumentNullException">Cannot set a null user name.</exception>
 public string UserName
 {
 get => _header._uName ?? string.Empty;
 get => _header.UName ?? string.Empty;
 set
 {
 ArgumentNullException.ThrowIfNull(value);
 _header._uName = value;
 _header.UName = value;
 }
 }
 }
Expand Down

16 changes: 8 additions & 8 deletions
src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -18,7 +18,7 @@ public abstract partial class TarEntry
 internal TarHeader _header;

 // Used to access the data section of this entry in an unseekable file
private TarReader? _readerOfOrigin;
internal TarReader? _readerOfOrigin;
@jozkeejozkeeSep 20, 2022

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Suggested change

internalTarReader?_readerOfOrigin;
privateTarReader?_readerOfOrigin;

 // Constructor called when reading a TarEntry from a TarReader.
 internal TarEntry(TarHeader header, TarReader readerOfOrigin, TarEntryFormat format)
Expand DownExpand Up@@ -95,22 +95,22 @@ public int Gid
 /// <exception cref="ArgumentOutOfRangeException">The specified value is larger than <see cref="DateTimeOffset.UnixEpoch"/>.</exception>
 public DateTimeOffset ModificationTime
 {
 get => _header._mTime;
 get => _header.MTime;
 set
 {
 if (value < DateTimeOffset.UnixEpoch)
 {
 throw new ArgumentOutOfRangeException(nameof(value));
 }
 _header._mTime = value;
 _header.MTime = value;
 }
 }

 /// <summary>
 /// When the <see cref="EntryType"/> indicates an entry that can contain data, this property returns the length in bytes of such data.
 /// </summary>
 /// <remarks>The entry type that commonly contains data is <see cref="TarEntryType.RegularFile"/> (or <see cref="TarEntryType.V7RegularFile"/> in the <see cref="TarEntryFormat.V7"/> format). Other uncommon entry types that can also contain data are: <see cref="TarEntryType.ContiguousFile"/>, <see cref="TarEntryType.DirectoryList"/>, <see cref="TarEntryType.MultiVolume"/> and <see cref="TarEntryType.SparseFile"/>.</remarks>
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header._size;
 public long Length => _header._dataStream != null ? _header._dataStream.Length : _header.Size;

 /// <summary>
 /// When the <see cref="EntryType"/> indicates a <see cref="TarEntryType.SymbolicLink"/> or a <see cref="TarEntryType.HardLink"/>, this property returns the link target path of such link.
Expand All@@ -120,15 +120,15 @@ public DateTimeOffset ModificationTime
 /// <exception cref="ArgumentException">The specified value is empty.</exception>
 public string LinkName
 {
 get => _header._linkName ?? string.Empty;
 get => _header.LinkName ?? string.Empty;
 set
 {
 if (_header._typeFlag is not TarEntryType.HardLink and not TarEntryType.SymbolicLink)
 {
 throw new InvalidOperationException(SR.TarEntryHardLinkOrSymLinkExpected);
 }
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._linkName = value;
 _header.LinkName = value;
 }
 }

Expand All@@ -154,11 +154,11 @@ public UnixFileMode Mode
 /// </summary>
 public string Name
 {
 get => _header._name;
 get => _header.Name;
 set
 {
 ArgumentException.ThrowIfNullOrEmpty(value);
 _header._name = value;
 _header.Name = value;
 }
 }

Expand Down
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