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[release/7.0] set session ID when TLS resume is enabled #75507

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Merged
carlossanlop merged 4 commits into from
Sep 13, 2022
Merged

[release/7.0] set session ID when TLS resume is enabled #75507

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caf65d5
set session ID when TLS resume is enabled
wfurt Sep 12, 2022
3548531
feedback from review
wfurt Sep 12, 2022
10a2c28
remove random.h
wfurt Sep 12, 2022
6f0d0e0
Apply suggestions from code review
wfurt Sep 12, 2022
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feedback from review
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@wfurt
wfurt authored and github-actions committed Sep 13, 2022
commit 3548531acafe2b6c0002267e8f38ecdce3372f01
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)
{
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);

/*
Returns name associated with given ssl session.
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