68 lines
2.1 KiB
Diff
68 lines
2.1 KiB
Diff
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From 1a0f68d2058f361fc23ed9babcd618a838744bf8 Mon Sep 17 00:00:00 2001
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From: akarl <mike@mwsys.mine.bz>
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Date: Sun, 24 Apr 2022 21:16:52 +0200
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Subject: [PATCH] Implement BIO_CTRL_GET_KTLS_SEND and BIO_CTRL_GET_KTLS_SEND
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Openssl 3.0 requires to respond to this controls. According to there
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documentation it should not need them, but in practice openssl's own source
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is full of places where negative return values are not checked.
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(cherry picked from commit 9d7c20ce8fe50bd6de54e7480b5096761a510daf)
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---
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libfreerdp/core/gateway/rdg.c | 18 +++++++++++++++++-
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libfreerdp/core/gateway/tsg.c | 9 ++++++++-
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2 files changed, 25 insertions(+), 2 deletions(-)
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diff --git a/libfreerdp/core/gateway/rdg.c b/libfreerdp/core/gateway/rdg.c
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index 72019ede8..5d970f39e 100644
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--- a/libfreerdp/core/gateway/rdg.c
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+++ b/libfreerdp/core/gateway/rdg.c
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@@ -2483,7 +2483,23 @@ static long rdg_bio_ctrl(BIO* in_bio, int cmd, long arg1, void* arg2)
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*/
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status = BIO_ctrl(tlsOut->bio, cmd, arg1, arg2);
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}
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-
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+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
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+ else if (cmd == BIO_CTRL_GET_KTLS_SEND)
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+ {
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+ /* Even though BIO_get_ktls_send says that returning negative values is valid
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+ * openssl internal sources are full of if(!BIO_get_ktls_send && ) stuff. This has some
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+ * nasty sideeffects. return 0 as proper no KTLS offloading flag
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+ */
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+ status = 0;
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+ }
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+ else if (cmd == BIO_CTRL_GET_KTLS_RECV)
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+ {
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+ /* Even though BIO_get_ktls_recv says that returning negative values is valid
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+ * there is no reason to trust trust negative values are implemented right everywhere
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+ */
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+ status = 0;
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+ }
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+#endif
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return status;
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}
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diff --git a/libfreerdp/core/gateway/tsg.c b/libfreerdp/core/gateway/tsg.c
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index c03f266f2..70fdf9e27 100644
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--- a/libfreerdp/core/gateway/tsg.c
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+++ b/libfreerdp/core/gateway/tsg.c
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@@ -2716,7 +2716,14 @@ static long transport_bio_tsg_ctrl(BIO* bio, int cmd, long arg1, void* arg2)
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status = 1;
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}
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break;
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-
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+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
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+ case BIO_CTRL_GET_KTLS_SEND:
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+ status = 0;
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+ break;
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+ case BIO_CTRL_GET_KTLS_RECV:
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+ status = 0;
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+ break;
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+#endif
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default:
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break;
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}
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--
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2.36.1
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