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server: add SSL_OP_NO_RENEGOTIATION fallback path

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With LibreSSL SSL_OP_NO_CLIENT_RENEGOTIATION is opaque which is not
compatible with the OpenSSL 1.0.2 and earlier code path in
red-stream.cpp while SSL_OP_NO_RENEGOTIATION is not yet defined for the
newer OpenSSL code path in reds.cpp.

So with OpenSSL 1.1.0 and later if SSL_OP_NO_RENEGOTIATION is undefined
and SSL_OP_NO_CLIENT_RENEGOTIATION is defined then define the former as
the latter. This will allow the build to succeed with LibreSSL 3.7.2 and
in the future when newer LibreSSL versions add SSL_OP_NO_RENEGOTIATION
that code path will then be used automatically.

Signed-off-by: orbea <orbea@riseup.net>
Acked-by: Frediano Ziglio <freddy77@gmail.com>
This commit is contained in:
orbea 2023-05-26 13:38:34 -07:00 committed by Frediano Ziglio
parent 0c2c1413a8
commit 5e580eefac
1 changed files with 4 additions and 0 deletions
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4
server/red-stream.h
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@ -25,6 +25,10 @@
SPICE_BEGIN_DECLS
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(SSL_OP_NO_RENEGOTIATION) && defined(SSL_OP_NO_CLIENT_RENEGOTIATION)
#define SSL_OP_NO_RENEGOTIATION SSL_OP_NO_CLIENT_RENEGOTIATION
#endif
typedef void (*AsyncReadDone)(void *opaque);
typedef void (*AsyncReadError)(void *opaque, int err);