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set session ID when TLS resume is enabled #75435

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merged 5 commits into from
Sep 13, 2022
Merged

set session ID when TLS resume is enabled #75435

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754b3d1
set session ID when TLS resume is enabled
wfurt Sep 12, 2022
eb33d0f
feedback from review
wfurt Sep 12, 2022
c5d301a
Merge branch 'main' of https://github.com/dotnet/runtime into ctxId
wfurt Sep 12, 2022
4700b53
remove random.h
wfurt Sep 12, 2022
d9a278d
Apply suggestions from code review
wfurt Sep 12, 2022
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@wfurt
wfurt committed Sep 12, 2022
commit eb33d0f9516dea17c2049cb26766b9efd2bef7e2
8 changes: 5 additions & 3 deletions src/libraries/Common/src/Interop/Unix/System.Security.Cryptography.Native/Interop.OpenSsl.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -203,18 +203,20 @@ internal static unsafe SafeSslContextHandle AllocateSslContext(SslAuthentication
{
if (sslAuthenticationOptions.IsServer)
{
Ssl.SslCtxSetCaching(sslCtx, 1, s_cacheSize, null, null);
Span<byte> contextId = stackalloc byte[32];
RandomNumberGenerator.Fill(contextId);
Ssl.SslCtxSetCaching(sslCtx, 1, s_cacheSize, contextId.Length, contextId, null, null);
}
else
{
int result = Ssl.SslCtxSetCaching(sslCtx, 1, s_cacheSize, &NewSessionCallback, &RemoveSessionCallback);
int result = Ssl.SslCtxSetCaching(sslCtx, 1, s_cacheSize, 0, null, &NewSessionCallback, &RemoveSessionCallback);
Debug.Assert(result == 1);
sslCtx.EnableSessionCache();
}
}
else
{
Ssl.SslCtxSetCaching(sslCtx, 0, -1, null, null);
Ssl.SslCtxSetCaching(sslCtx, 0, -1, 0, null, null, null);
}

if (sslAuthenticationOptions.IsServer && sslAuthenticationOptions.ApplicationProtocols != null && sslAuthenticationOptions.ApplicationProtocols.Count != 0)
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2 changes: 1 addition & 1 deletion src/libraries/Common/src/Interop/Unix/System.Security.Cryptography.Native/Interop.SslCtx.cs
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Expand Up @@ -33,7 +33,7 @@ internal static partial class Ssl
internal static unsafe partial void SslCtxSetAlpnSelectCb(SafeSslContextHandle ctx, delegate* unmanaged<IntPtr, byte**, byte*, byte*, uint, IntPtr, int> callback, IntPtr arg);

[LibraryImport(Libraries.CryptoNative, EntryPoint = "CryptoNative_SslCtxSetCaching")]
internal static unsafe partial int SslCtxSetCaching(SafeSslContextHandle ctx, int mode, int cacheSize, delegate* unmanaged<IntPtr, IntPtr, int> neewSessionCallback, delegate* unmanaged<IntPtr, IntPtr, void> removeSessionCallback);
internal static unsafe partial int SslCtxSetCaching(SafeSslContextHandle ctx, int mode, int cacheSize, int contextIdLength, Span<byte> contextId, delegate* unmanaged<IntPtr, IntPtr, int> neewSessionCallback, delegate* unmanaged<IntPtr, IntPtr, void> removeSessionCallback);

internal static bool AddExtraChainCertificates(SafeSslContextHandle ctx, X509Certificate2[] chain)
{
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16 changes: 7 additions & 9 deletions src/native/libs/System.Security.Cryptography.Native/pal_ssl.c
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Expand Up @@ -656,7 +656,7 @@ void CryptoNative_SslSetVerifyPeer(SSL* ssl)
SSL_set_verify(ssl, SSL_VERIFY_PEER, verify_callback);
}

int CryptoNative_SslCtxSetCaching(SSL_CTX* ctx, int mode, int cacheSize, SslCtxNewSessionCallback newSessionCb, SslCtxRemoveSessionCallback removeSessionCb)
int CryptoNative_SslCtxSetCaching(SSL_CTX* ctx, int mode, int cacheSize, int contextIdLength, unsigned char* contextId, SslCtxNewSessionCallback newSessionCb, SslCtxRemoveSessionCallback removeSessionCb)
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{
int retValue = 1;
if (mode && !API_EXISTS(SSL_SESSION_get0_hostname))
Expand All @@ -679,16 +679,14 @@ int CryptoNative_SslCtxSetCaching(SSL_CTX* ctx, int mode, int cacheSize, SslCtxN
{
SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
}
else
else if (cacheSize >= 0)
{
unsigned char id[SSL_MAX_SID_CTX_LENGTH];
getrandom(id, sizeof(id), GRND_RANDOM);
SSL_CTX_set_session_id_context(ctx, id, sizeof(id));
SSL_CTX_ctrl(ctx, SSL_CTRL_SET_SESS_CACHE_SIZE, (long)cacheSize, NULL);
}

if (cacheSize >= 0)
{
SSL_CTX_ctrl(ctx, SSL_CTRL_SET_SESS_CACHE_SIZE, (long)cacheSize, NULL);
}
if (contextIdLength > 0 && contextId != NULL)
{
SSL_CTX_set_session_id_context(ctx, contextId, contextIdLength <= SSL_MAX_SID_CTX_LENGTH ? (unsigned int)contextIdLength : SSL_MAX_SID_CTX_LENGTH);
}

if (newSessionCb != NULL)
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2 changes: 1 addition & 1 deletion src/native/libs/System.Security.Cryptography.Native/pal_ssl.h
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Expand Up @@ -162,7 +162,7 @@ PALEXPORT void CryptoNative_SslSetPostHandshakeAuth(SSL* ssl, int32_t val);
/*
Sets session caching. 0 is disabled.
*/
PALEXPORT int CryptoNative_SslCtxSetCaching(SSL_CTX* ctx, int mode, int cacheSize, SslCtxNewSessionCallback newCb, SslCtxRemoveSessionCallback removeCb);
PALEXPORT int CryptoNative_SslCtxSetCaching(SSL_CTX* ctx, int mode, int cacheSize, int contextIdLength, unsigned char* contextId, SslCtxNewSessionCallback newSessionCb, SslCtxRemoveSessionCallback removeSessionCb);
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/*
Returns name associated with given ssl session.
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