37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
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From 88fed59d4c29b9ff7964db462ff56f1f92eedf3a Mon Sep 17 00:00:00 2001
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From: Andreas Schneider <asn@samba.org>
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Date: Wed, 20 Nov 2019 11:18:21 +0100
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Subject: [PATCH 208/208] s3:librpc: Only use RC4 if our systems supports it
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Signed-off-by: Andreas Schneider <asn@samba.org>
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---
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source4/librpc/rpc/dcerpc_schannel.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/source4/librpc/rpc/dcerpc_schannel.c b/source4/librpc/rpc/dcerpc_schannel.c
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index d12647222eb..8a82fdf60b5 100644
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--- a/source4/librpc/rpc/dcerpc_schannel.c
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+++ b/source4/librpc/rpc/dcerpc_schannel.c
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@@ -31,6 +31,7 @@
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#include "auth/credentials/credentials.h"
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#include "librpc/rpc/dcerpc_proto.h"
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#include "param/param.h"
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+#include "lib/param/loadparm.h"
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struct schannel_key_state {
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struct dcerpc_pipe *pipe;
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@@ -341,6 +342,10 @@ static struct composite_context *dcerpc_schannel_key_send(TALLOC_CTX *mem_ctx,
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s->dcerpc_schannel_auto = true;
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}
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+ if (lpcfg_weak_crypto(lp_ctx) == SAMBA_WEAK_CRYPTO_DISALLOWED) {
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+ s->local_negotiate_flags &= ~NETLOGON_NEG_ARCFOUR;
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+ }
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+
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/* type of authentication depends on schannel type */
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if (schannel_type == SEC_CHAN_RODC) {
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s->local_negotiate_flags |= NETLOGON_NEG_RODC_PASSTHROUGH;
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--
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2.23.0
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