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Generate SslConnectionInfo.Unix.cs with T4 template (#84690)
* Generate SslConnectionInfo.Unix.cs with T4 template * Try fitting into ushort
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378 changes: 370 additions & 8 deletions
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src/libraries/System.Net.Security/src/System/Net/Security/SslConnectionInfo.Unix.cs
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src/libraries/System.Net.Security/src/System/Net/Security/SslConnectionInfo.Unix.tt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,91 @@ | ||
| <#@ template debug="false" hostspecific="false" language="C#" #> | ||
| <#@ import namespace="System" #> | ||
| <#@ assembly name="System.Core" #> | ||
| <#@ assembly name="System.Net.Primitives" #> | ||
| <#@ import namespace="System.Linq" #> | ||
| <#@ import namespace="System.Text" #> | ||
| <#@ import namespace="System.Collections.Generic" #> | ||
| <#@ output extension=".cs" #> | ||
| <#@ include file="TlsCipherSuiteNameParser.ttinclude" #><#@ | ||
| include file="TlsCipherSuite.cs" #> | ||
| <# Array tlsEnumValues = typeof(TlsCipherSuite).GetEnumValues(); #> | ||
| <# Array exchangeEnumValues = typeof(ExchangeAlgorithmTypeIndex).GetEnumValues(); #> | ||
| <# Array dataCipherAlgs = typeof(CipherAlgorithmTypeIndex).GetEnumValues(); #> | ||
| <# Array dataHashAlgs = typeof(HashAlgorithmTypeIndex).GetEnumValues(); #> | ||
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| using System.Diagnostics; | ||
| using System.Security.Authentication; | ||
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| namespace System.Net.Security | ||
| { | ||
| internal partial struct SslConnectionInfo | ||
| { | ||
| private void MapCipherSuite(TlsCipherSuite cipherSuite) | ||
| { | ||
| TlsCipherSuite = cipherSuite; | ||
| KeyExchKeySize = 0; | ||
| ReadOnlySpan<int> keyExchangeAlgs = | ||
| new[] { <# | ||
| foreach (ExchangeAlgorithmTypeIndex val in exchangeEnumValues) | ||
| { | ||
| #>(int)ExchangeAlgorithmType.<#= val #>, <# | ||
| } | ||
| #>}; | ||
| ReadOnlySpan<int> dataCipherAlgs = | ||
| new[] { <# | ||
| foreach (CipherAlgorithmTypeIndex val in dataCipherAlgs) | ||
| { | ||
| #>(int)CipherAlgorithmType.<#= val #>, <# | ||
| } | ||
| #>}; | ||
| <# | ||
| ReadOnlySpan<int> strengths = new[] { 0, 40, 56, 128, 168, 256 }; | ||
| #> | ||
| ReadOnlySpan<int> dataKeySizes = | ||
| new[] { <#= string.Join(", ", strengths.ToArray()) #> }; | ||
| ReadOnlySpan<int> dataHashAlgs = | ||
| new[] { <# | ||
| foreach (HashAlgorithmTypeIndex val in dataHashAlgs) | ||
| { | ||
| #>(int)HashAlgorithmType.<#= val #>, <# | ||
| } | ||
| #>}; | ||
| ReadOnlySpan<int> dataHashKeySizes = | ||
| new[] { 0, 128, 160, 256, 384, 512 }; | ||
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| int data = GetPackedData(cipherSuite); | ||
| Debug.Assert(data != 0, $"No mapping found for cipherSuite {cipherSuite}"); | ||
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| KeyExchangeAlg = keyExchangeAlgs[(data >> 12) & 0xF]; | ||
| DataCipherAlg = dataCipherAlgs[(data >> 8) & 0xF]; | ||
| DataKeySize = dataKeySizes[(data >> 4) & 0xF]; | ||
| DataHashAlg = dataHashAlgs[data & 0xF]; | ||
| DataHashKeySize = dataHashKeySizes[data & 0xF]; | ||
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| static int GetPackedData(TlsCipherSuite cipherSuite) | ||
| { | ||
| switch (cipherSuite) | ||
| { | ||
| <# | ||
| foreach (TlsCipherSuite val in tlsEnumValues) | ||
| { | ||
| TlsCipherSuiteData data = new CipherSuiteNameData(val.ToString()).Data; | ||
| int exchangeAlgorithmType = (int)Enum.Parse<ExchangeAlgorithmTypeIndex>(EnumHelpers.ToFrameworkName(data.KeyExchangeAlgorithm)); | ||
| int cipherAlgorithmType = (int)Enum.Parse<CipherAlgorithmTypeIndex>(EnumHelpers.ToFrameworkName(data.CipherAlgorithm)); | ||
| int cipherAlgorithmStrength = (int)strengths.IndexOf(data.CipherAlgorithmStrength); | ||
| int hashAlgorithmType = (int)Enum.Parse<HashAlgorithmTypeIndex>(EnumHelpers.ToFrameworkName(data.MACAlgorithm)); | ||
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| if (cipherAlgorithmStrength == -1) | ||
| throw new Exception($"Value '{data.CipherAlgorithmStrength}' is not found in 'strengths' array."); | ||
| #> | ||
| case TlsCipherSuite.<#= val #>: return <#= exchangeAlgorithmType #> << 12 | <#= cipherAlgorithmType #> << 8 | <#= cipherAlgorithmStrength #> << 4 | <#= hashAlgorithmType #>; | ||
| <# | ||
| } | ||
| #> | ||
| default: return 0; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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