r3390: fixed schannel server side support. RPC-SCHANNEL now works against Samba4.

(This used to be commit 01f5c1c72d9fc8f21029adc586154b0c54f76c9e)

3 files changed, 14 insertions, 51 deletions

diff --git a/source4/libcli/auth/gensec.h b/source4/libcli/auth/gensec.h
index 7020435f44..624c7ebe1d 100644
--- a/source4/libcli/auth/gensec.h
+++ b/source4/libcli/auth/gensec.h
@@ -108,4 +108,5 @@ struct gensec_critical_sizes {
 };
 
 
-       
+/* pre-declare schannel structure for schannel backend */       
+struct schannel_state;
diff --git a/source4/libcli/auth/schannel.c b/source4/libcli/auth/schannel.c
index 2e752f0172..a99822534b 100644
--- a/source4/libcli/auth/schannel.c
+++ b/source4/libcli/auth/schannel.c
@@ -22,6 +22,16 @@
 
 #include "includes.h"
 
+struct schannel_state {
+	TALLOC_CTX *mem_ctx;
+	uint8_t session_key[16];
+	uint32_t seq_num;
+	BOOL initiator;
+};
+
+#define NETSEC_SIGN_SIGNATURE { 0x77, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 }
+#define NETSEC_SEAL_SIGNATURE { 0x77, 0x00, 0x7a, 0x00, 0xff, 0xff, 0x00, 0x00 }
+
 /*******************************************************************
  Encode or Decode the sequence number (which is symmetric)
  ********************************************************************/
@@ -209,13 +219,7 @@ NTSTATUS schannel_seal_packet(struct schannel_state *state,
 
 	netsec_deal_with_seq_num(state, digest_final, seq_num);
 
-	if (!state->signature.data) {
-		state->signature = data_blob_talloc(state->mem_ctx, NULL, 32);
-		if (!state->signature.data) {
-			return NT_STATUS_NO_MEMORY;
-		}
-	}
-	(*sig) = state->signature;
+	(*sig) = data_blob_talloc(state->mem_ctx, NULL, 32);
 
 	memcpy(sig->data, netsec_sig, 8);
 	memcpy(sig->data+8, seq_num, 8);
@@ -252,13 +256,7 @@ NTSTATUS schannel_sign_packet(struct schannel_state *state,
 
 	netsec_deal_with_seq_num(state, digest_final, seq_num);
 
-	if (!state->signature.data) {
-		state->signature = data_blob_talloc(state->mem_ctx, NULL, 32);
-		if (!state->signature.data) {
-			return NT_STATUS_NO_MEMORY;
-		}
-	}
-	(*sig) = state->signature;
+	(*sig) = data_blob_talloc(state->mem_ctx, NULL, 32);
 
 	memcpy(sig->data, netsec_sig, 8);
 	memcpy(sig->data+8, seq_num, 8);
@@ -307,7 +305,6 @@ NTSTATUS schannel_start(struct schannel_state **state,
 	(*state)->mem_ctx = mem_ctx;
 	memcpy((*state)->session_key, session_key, 16);
 	(*state)->initiator = initiator;
-	(*state)->signature = data_blob(NULL, 0);
 	(*state)->seq_num = 0;
 
 	return NT_STATUS_OK;
diff --git a/source4/libcli/auth/schannel.h b/source4/libcli/auth/schannel.h
deleted file mode 100644
index b074b104fb..0000000000
--- a/source4/libcli/auth/schannel.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-
-   schannel library code
-
-   Copyright (C) Andrew Tridgell 2004
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "includes.h"
-
-struct schannel_state {
-	TALLOC_CTX *mem_ctx;
-	uint8_t session_key[16];
-	uint32_t seq_num;
-	BOOL initiator;
-	DATA_BLOB signature;
-};
-
-#define NETSEC_SIGN_SIGNATURE { 0x77, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 }
-#define NETSEC_SEAL_SIGNATURE { 0x77, 0x00, 0x7a, 0x00, 0xff, 0xff, 0x00, 0x00 }
-