r13583: Realise that the member server name appears in all calls that use the

credentials.

Consistantly rename these elements in the IDL to computer_name.

Fix the server-side code to always lookup by this name.

Add new, even nastier tests to RPC-SCHANNEL to prove this.

Andrew Bartlett
(This used to be commit 341a0abeb4a9f88d64ffd4681249cb1f643a7a5a)

8 files changed, 74 insertions, 113 deletions

diff --git a/source4/auth/gensec/schannel_state.c b/source4/auth/gensec/schannel_state.c
index a73e450ec8..beaa8cfb08 100644
--- a/source4/auth/gensec/schannel_state.c
+++ b/source4/auth/gensec/schannel_state.c
@@ -175,7 +175,7 @@ NTSTATUS schannel_store_session_key(TALLOC_CTX *mem_ctx,
 NTSTATUS schannel_fetch_session_key_ldb(TALLOC_CTX *mem_ctx,
 					struct ldb_context *ldb,
 					const char *computer_name, 
-					const char *domain, 
+					const char *domain,
 					struct creds_CredentialState **creds)
 {
 	struct ldb_result *res;
diff --git a/source4/librpc/idl/netlogon.idl b/source4/librpc/idl/netlogon.idl
index fe0a1adbe4..75d1b3316b 100644
--- a/source4/librpc/idl/netlogon.idl
+++ b/source4/librpc/idl/netlogon.idl
@@ -229,7 +229,7 @@ interface netlogon
 
 	NTSTATUS netr_LogonSamLogon(
 		[in] [string,charset(UTF16)] uint16 *server_name,
-		[in] [string,charset(UTF16)] uint16 *workstation,
+		[in] [string,charset(UTF16)] uint16 *computer_name,
 		[in] netr_Authenticator *credential,
 		[in][out] netr_Authenticator *return_authenticator,
 		[in]  uint16 logon_level,
@@ -1096,7 +1096,7 @@ interface netlogon
 	/* Function 0x27 */
 	NTSTATUS netr_LogonSamLogonEx(
 		[in] [string,charset(UTF16)] uint16 *server_name,
-		[in] [string,charset(UTF16)] uint16 *workstation,
+		[in] [string,charset(UTF16)] uint16 *computer_name,
 		[in]  uint16 logon_level,
 		[in]  [switch_is(logon_level)] netr_LogonLevel logon,
 		[in]  uint16 validation_level,
@@ -1175,7 +1175,7 @@ interface netlogon
 	/* this is the ADS varient. I don't yet know what the "flags" are for */
 	NTSTATUS netr_LogonSamLogonWithFlags(
 		[in] [string,charset(UTF16)] uint16 *server_name,
-		[in] [string,charset(UTF16)] uint16 *workstation,
+		[in] [string,charset(UTF16)] uint16 *computer_name,
 		[in] netr_Authenticator *credential,
 		[in][out] netr_Authenticator *return_authenticator,
 		[in]  uint16 logon_level,
diff --git a/source4/rpc_server/netlogon/dcerpc_netlogon.c b/source4/rpc_server/netlogon/dcerpc_netlogon.c
index 176246901b..d506d9192d 100644
--- a/source4/rpc_server/netlogon/dcerpc_netlogon.c
+++ b/source4/rpc_server/netlogon/dcerpc_netlogon.c
@@ -31,72 +31,9 @@
 struct server_pipe_state {
 	struct netr_Credential client_challenge;
 	struct netr_Credential server_challenge;
-
-	/* This is a bit (dangeroursly?) tricky:
-	   - The session key, computer name and domain elements are
-	     valid. 
-	   - However the credentials chaining (seed, client, server etc)
-	     should be obtained from the database at runtime */
-	struct creds_CredentialState *creds; 
 };
 
 
-/*
-  a client has connected to the netlogon server using schannel, so we need
-  to re-establish the credentials state
-*/
-static NTSTATUS netlogon_schannel_setup(struct dcesrv_call_state *dce_call) 
-{
-	struct server_pipe_state *state;
-	NTSTATUS status;
-
-	/* We want the client and server challenge zero */
-	state = talloc_zero(dce_call->conn, struct server_pipe_state);
-	if (state == NULL) {
-		return NT_STATUS_NO_MEMORY;
-	}
-	
-	status = dcerpc_schannel_creds(dce_call->conn->auth_state.gensec_security, 
-				       state, 
-				       &state->creds);
-
-	if (!NT_STATUS_IS_OK(status)) {
-		DEBUG(3, ("getting schannel credentials failed with %s\n", nt_errstr(status)));
-		talloc_free(state);
-		return status;
-	}
-	
-	dce_call->context->private = state;
-
-	return NT_STATUS_OK;
-}
-
-/*
-  a hook for bind on the netlogon pipe
-*/
-static NTSTATUS netlogon_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *di) 
-{
-	dce_call->context->private = NULL;
-
-	/* if this is a schannel bind then we need to reconstruct the pipe state */
-	if (dce_call->conn->auth_state.auth_info &&
-	    dce_call->conn->auth_state.auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
-		NTSTATUS status;
-
-		DEBUG(5, ("schannel bind on netlogon\n"));
-
-		status = netlogon_schannel_setup(dce_call);
-		if (!NT_STATUS_IS_OK(status)) {
-			DEBUG(3, ("schannel bind on netlogon failed with %s\n", nt_errstr(status)));
-			return status;
-		}
-	}
-
-	return NT_STATUS_OK;
-}
-
-#define DCESRV_INTERFACE_NETLOGON_BIND netlogon_bind
-
 static NTSTATUS netr_ServerReqChallenge(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 					struct netr_ServerReqChallenge *r)
 {
@@ -116,8 +53,6 @@ static NTSTATUS netr_ServerReqChallenge(struct dcesrv_call_state *dce_call, TALL
 		return NT_STATUS_NO_MEMORY;
 	}
 
-	pipe_state->creds = NULL;
-
 	pipe_state->client_challenge = *r->in.credentials;
 
 	generate_random_buffer(pipe_state->server_challenge.data, 
@@ -238,12 +173,6 @@ static NTSTATUS netr_ServerAuthenticate3(struct dcesrv_call_state *dce_call, TAL
 	/* remember this session key state */
 	nt_status = schannel_store_session_key(mem_ctx, creds);
 
-	if (pipe_state->creds) {
-		talloc_free(pipe_state->creds);
-	}
-	talloc_steal(pipe_state, creds);
-	pipe_state->creds = creds;
-
 	return nt_status;
 }
 						 
@@ -302,7 +231,7 @@ static NTSTATUS netr_ServerAuthenticate2(struct dcesrv_call_state *dce_call, TAL
   the caller needs some of that information.
 
 */
-static NTSTATUS netr_creds_server_step_check(struct server_pipe_state *pipe_state,
+static NTSTATUS netr_creds_server_step_check(const char *computer_name,
 					     TALLOC_CTX *mem_ctx, 
 					     struct netr_Authenticator *received_authenticator,
 					     struct netr_Authenticator *return_authenticator,
@@ -313,11 +242,6 @@ static NTSTATUS netr_creds_server_step_check(struct server_pipe_state *pipe_stat
 	struct ldb_context *ldb;
 	int ret;
 
-	if (!pipe_state) {
-		DEBUG(1, ("No challenge requested by client, cannot authenticate\n"));
-		return NT_STATUS_ACCESS_DENIED;
-	}
-
 	ldb = schannel_db_connect(mem_ctx);
 	if (!ldb) {
 		return NT_STATUS_ACCESS_DENIED;
@@ -333,8 +257,8 @@ static NTSTATUS netr_creds_server_step_check(struct server_pipe_state *pipe_stat
 	 * disconnects) we must update the database every time we
 	 * update the structure */ 
 	
-	nt_status = schannel_fetch_session_key_ldb(ldb, ldb, pipe_state->creds->computer_name, 
-						   pipe_state->creds->domain, &creds);
+	nt_status = schannel_fetch_session_key_ldb(ldb, ldb, computer_name, lp_workgroup(),
+						   &creds);
 	if (NT_STATUS_IS_OK(nt_status)) {
 		nt_status = creds_server_step_check(creds, 
 						    received_authenticator, 
@@ -365,12 +289,11 @@ static NTSTATUS netr_creds_server_step_check(struct server_pipe_state *pipe_stat
 static NTSTATUS netr_ServerPasswordSet(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 				       struct netr_ServerPasswordSet *r)
 {
-	struct server_pipe_state *pipe_state = dce_call->context->private;
 	struct creds_CredentialState *creds;
 	struct ldb_context *sam_ctx;
 	NTSTATUS nt_status;
 
-	nt_status = netr_creds_server_step_check(pipe_state, mem_ctx, 
+	nt_status = netr_creds_server_step_check(r->in.computer_name, mem_ctx, 
 						 &r->in.credential, &r->out.return_authenticator,
 						 &creds);
 	NT_STATUS_NOT_OK_RETURN(nt_status);
@@ -400,7 +323,6 @@ static NTSTATUS netr_ServerPasswordSet(struct dcesrv_call_state *dce_call, TALLO
 static NTSTATUS netr_ServerPasswordSet2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 				       struct netr_ServerPasswordSet2 *r)
 {
-	struct server_pipe_state *pipe_state = dce_call->context->private;
 	struct creds_CredentialState *creds;
 	struct ldb_context *sam_ctx;
 	NTSTATUS nt_status;
@@ -410,7 +332,7 @@ static NTSTATUS netr_ServerPasswordSet2(struct dcesrv_call_state *dce_call, TALL
 
 	struct samr_CryptPassword password_buf;
 
-	nt_status = netr_creds_server_step_check(pipe_state, mem_ctx, 
+	nt_status = netr_creds_server_step_check(r->in.computer_name, mem_ctx, 
 						 &r->in.credential, &r->out.return_authenticator,
 						 &creds);
 	NT_STATUS_NOT_OK_RETURN(nt_status);
@@ -464,15 +386,15 @@ static WERROR netr_LogonUasLogoff(struct dcesrv_call_state *dce_call, TALLOC_CTX
 
 
 /* 
-  netr_LogonSamLogonEx
+  netr_LogonSamLogon_base
 
   This version of the function allows other wrappers to say 'do not check the credentials'
+
+  We can't do the traditional 'wrapping' format completly, as this function must only run under schannel
 */
-static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
-				     struct netr_LogonSamLogonEx *r)
+static NTSTATUS netr_LogonSamLogon_base(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
+					struct netr_LogonSamLogonEx *r, struct creds_CredentialState *creds)
 {
-	struct server_pipe_state *pipe_state = dce_call->context->private;
-	struct creds_CredentialState *creds = pipe_state->creds;
 	struct auth_context *auth_context;
 	struct auth_usersupplied_info *user_info;
 	struct auth_serversupplied_info *server_info;
@@ -496,7 +418,7 @@ static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_
 	case 1:
 	case 3:
 	case 5:
-		if (pipe_state->creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
+		if (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
 			creds_arcfour_crypt(creds, 
 					    r->in.logon.password->lmpassword.hash, 
 					    sizeof(r->in.logon.password->lmpassword.hash));
@@ -633,6 +555,23 @@ static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_
 	return NT_STATUS_OK;
 }
 
+static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
+				     struct netr_LogonSamLogonEx *r) 
+{
+	NTSTATUS nt_status;
+	struct creds_CredentialState *creds;
+	nt_status = schannel_fetch_session_key(mem_ctx, r->in.computer_name, lp_workgroup(), &creds);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		return nt_status;
+	}
+
+	if (!dce_call->conn->auth_state.auth_info
+	    || dce_call->conn->auth_state.auth_info->auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+	return netr_LogonSamLogon_base(dce_call, mem_ctx, r, creds);
+}
+
 /* 
   netr_LogonSamLogonWithFlags
 
@@ -640,8 +579,8 @@ static NTSTATUS netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call, TALLOC_
 static NTSTATUS netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 					    struct netr_LogonSamLogonWithFlags *r)
 {
-	struct server_pipe_state *pipe_state = dce_call->context->private;
 	NTSTATUS nt_status;
+	struct creds_CredentialState *creds;
 	struct netr_LogonSamLogonEx r2;
 
 	struct netr_Authenticator *return_authenticator;
@@ -649,21 +588,21 @@ static NTSTATUS netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce_call,
 	return_authenticator = talloc(mem_ctx, struct netr_Authenticator);
 	NT_STATUS_HAVE_NO_MEMORY(return_authenticator);
 
-	nt_status = netr_creds_server_step_check(pipe_state, mem_ctx, 
+	nt_status = netr_creds_server_step_check(r->in.computer_name, mem_ctx, 
 						 r->in.credential, return_authenticator,
-						 NULL);
+						 &creds);
 	NT_STATUS_NOT_OK_RETURN(nt_status);
 
 	ZERO_STRUCT(r2);
 
 	r2.in.server_name	= r->in.server_name;
-	r2.in.workstation	= r->in.workstation;
+	r2.in.computer_name	= r->in.computer_name;
 	r2.in.logon_level	= r->in.logon_level;
 	r2.in.logon		= r->in.logon;
 	r2.in.validation_level	= r->in.validation_level;
 	r2.in.flags		= r->in.flags;
 
-	nt_status = netr_LogonSamLogonEx(dce_call, mem_ctx, &r2);
+	nt_status = netr_LogonSamLogon_base(dce_call, mem_ctx, &r2, creds);
 
 	r->out.return_authenticator	= return_authenticator;
 	r->out.validation		= r2.out.validation;
@@ -685,7 +624,7 @@ static NTSTATUS netr_LogonSamLogon(struct dcesrv_call_state *dce_call, TALLOC_CT
 	ZERO_STRUCT(r2);
 
 	r2.in.server_name = r->in.server_name;
-	r2.in.workstation = r->in.workstation;
+	r2.in.computer_name = r->in.computer_name;
 	r2.in.credential  = r->in.credential;
 	r2.in.return_authenticator = r->in.return_authenticator;
 	r2.in.logon_level = r->in.logon_level;
@@ -947,7 +886,6 @@ static NTSTATUS fill_domain_trust_info(TALLOC_CTX *mem_ctx, struct ldb_message *
 static NTSTATUS netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
 					struct netr_LogonGetDomainInfo *r)
 {
-	struct server_pipe_state *pipe_state = dce_call->context->private;
 	const char * const attrs[] = { "dnsDomain", "objectSid", 
 				       "objectGUID", "flatName", "securityIdentifier",
 				       NULL };
@@ -960,7 +898,7 @@ static NTSTATUS netr_LogonGetDomainInfo(struct dcesrv_call_state *dce_call, TALL
 
 	const char *local_domain;
 
-	status = netr_creds_server_step_check(pipe_state, mem_ctx, 
+	status = netr_creds_server_step_check(r->in.computer_name, mem_ctx, 
 					      r->in.credential, 
 					      r->out.return_authenticator,
 					      NULL);
diff --git a/source4/torture/rpc/netlogon.c b/source4/torture/rpc/netlogon.c
index 7919e7c441..79e85cce57 100644
--- a/source4/torture/rpc/netlogon.c
+++ b/source4/torture/rpc/netlogon.c
@@ -539,7 +539,7 @@ BOOL test_netlogon_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 	ninfo.identity_info.workstation.string = cli_credentials_get_workstation(credentials);
 
 	r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
-	r.in.workstation = cli_credentials_get_workstation(credentials);
+	r.in.computer_name = cli_credentials_get_workstation(credentials);
 	r.in.credential = &auth;
 	r.in.return_authenticator = &auth2;
 	r.in.logon_level = 2;
@@ -564,7 +564,6 @@ BOOL test_netlogon_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 			printf("Credential chaining failed\n");
 			ret = False;
 		}
-		
 	}
 
 	r.in.credential = NULL;
@@ -573,7 +572,7 @@ BOOL test_netlogon_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 
 		r.in.validation_level = i;
 
-		printf("Testing SamLogon with validation level %d\n", i);
+		printf("Testing SamLogon with validation level %d and a NULL credential\n", i);
 
 		status = dcerpc_netr_LogonSamLogon(p, mem_ctx, &r);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER)) {
diff --git a/source4/torture/rpc/samlogon.c b/source4/torture/rpc/samlogon.c
index 69c9ff6ea9..03bec56ab6 100644
--- a/source4/torture/rpc/samlogon.c
+++ b/source4/torture/rpc/samlogon.c
@@ -1335,17 +1335,17 @@ static BOOL test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 
 	generate_random_buffer(samlogon_state.chall.data, 8);
 	samlogon_state.r_flags.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p));
-	samlogon_state.r_flags.in.workstation = TEST_MACHINE_NAME;
+	samlogon_state.r_flags.in.computer_name = TEST_MACHINE_NAME;
 	samlogon_state.r_flags.in.credential = &samlogon_state.auth;
 	samlogon_state.r_flags.in.return_authenticator = &samlogon_state.auth2;
 	samlogon_state.r_flags.in.flags = 0;
 
 	samlogon_state.r_ex.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p));
-	samlogon_state.r_ex.in.workstation = TEST_MACHINE_NAME;
+	samlogon_state.r_ex.in.computer_name = TEST_MACHINE_NAME;
 	samlogon_state.r_ex.in.flags = 0;
 
 	samlogon_state.r.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p));
-	samlogon_state.r.in.workstation = TEST_MACHINE_NAME;
+	samlogon_state.r.in.computer_name = TEST_MACHINE_NAME;
 	samlogon_state.r.in.credential = &samlogon_state.auth;
 	samlogon_state.r.in.return_authenticator = &samlogon_state.auth2;
 
@@ -1415,7 +1415,7 @@ BOOL test_InteractiveLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 	creds_client_authenticator(creds, &a);
 
 	r.in.server_name = talloc_asprintf(fn_ctx, "\\\\%s", dcerpc_server_name(p));
-	r.in.workstation = TEST_MACHINE_NAME;
+	r.in.computer_name = TEST_MACHINE_NAME;
 	r.in.credential = &a;
 	r.in.return_authenticator = &ra;
 	r.in.logon_level = 5;
diff --git a/source4/torture/rpc/samsync.c b/source4/torture/rpc/samsync.c
index afa47e5932..f0f19f0818 100644
--- a/source4/torture/rpc/samsync.c
+++ b/source4/torture/rpc/samsync.c
@@ -77,7 +77,7 @@ static NTSTATUS test_SamLogon(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 	}
 
 	r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
-	r.in.workstation = workstation;
+	r.in.computer_name = workstation;
 	r.in.credential = &auth;
 	r.in.return_authenticator = &auth2;
 	r.in.logon_level = 2;
diff --git a/source4/torture/rpc/schannel.c b/source4/torture/rpc/schannel.c
index 80b223656d..3ad781c145 100644
--- a/source4/torture/rpc/schannel.c
+++ b/source4/torture/rpc/schannel.c
@@ -85,7 +85,7 @@ BOOL test_netlogon_ex_ops(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 	ninfo.identity_info.workstation.string = cli_credentials_get_workstation(credentials);
 
 	r.in.server_name = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(p));
-	r.in.workstation = cli_credentials_get_workstation(credentials);
+	r.in.computer_name = cli_credentials_get_workstation(credentials);
 	r.in.logon_level = 2;
 	r.in.logon.network = &ninfo;
 	r.in.flags = 0;
@@ -238,6 +238,7 @@ static BOOL test_schannel(TALLOC_CTX *mem_ctx,
 	struct dcerpc_pipe *p = NULL;
 	struct dcerpc_pipe *p_netlogon = NULL;
 	struct dcerpc_pipe *p_netlogon2 = NULL;
+	struct dcerpc_pipe *p_netlogon3 = NULL;
 	struct dcerpc_pipe *p_samr2 = NULL;
 	struct dcerpc_pipe *p_lsa = NULL;
 	struct creds_CredentialState *creds;
@@ -395,14 +396,37 @@ static BOOL test_schannel(TALLOC_CTX *mem_ctx,
 	
 	/* Try the schannel-only SamLogonEx operation */
 	if (!test_netlogon_ex_ops(p_netlogon2, test_ctx, credentials, creds)) {
-		printf("Failed to process schannel secured NETLOGON EX ops\n");
+		printf("Failed to process schannel secured NETLOGON EX ops (on fresh connection)\n");
 		ret = False;
 	}
 
 	/* And the more traditional style, proving that the
 	 * credentials chaining state is fully present */
 	if (!test_netlogon_ops(p_netlogon2, test_ctx, credentials, creds)) {
-		printf("Failed to process schannel secured NETLOGON EX ops\n");
+		printf("Failed to process schannel secured NETLOGON ops (on fresh connection)\n");
+		ret = False;
+	}
+
+	/* Drop the socket, we want to start from scratch (again) */
+	talloc_free(p_samr2);
+
+	/* We don't want schannel for this test */
+	b->flags &= ~DCERPC_AUTH_OPTIONS;
+
+	status = dcerpc_pipe_connect_b(test_ctx, &p_netlogon3, b, &dcerpc_table_netlogon,
+				       credentials, NULL);
+	if (!NT_STATUS_IS_OK(status)) {
+		printf("Failed to connect without schannel: %s\n", nt_errstr(status));
+		goto failed;
+	}
+
+	if (test_netlogon_ex_ops(p_netlogon3, test_ctx, credentials, creds)) {
+		printf("Processed NOT schannel secured NETLOGON EX ops without SCHANNEL (unsafe)\n");
+		ret = False;
+	}
+
+	if (!test_netlogon_ops(p_netlogon3, test_ctx, credentials, creds)) {
+		printf("Failed to processed NOT schannel secured NETLOGON ops without new ServerAuth\n");
 		ret = False;
 	}
 
diff --git a/source4/winbind/wb_pam_auth.c b/source4/winbind/wb_pam_auth.c
index 593cd22291..f85cfd1f1a 100644
--- a/source4/winbind/wb_pam_auth.c
+++ b/source4/winbind/wb_pam_auth.c
@@ -153,7 +153,7 @@ static void pam_auth_crap_recv_domain(struct composite_context *ctx)
 
 	ZERO_STRUCT(state->auth2);
 
-	state->r.in.workstation =
+	state->r.in.computer_name =
 		cli_credentials_get_workstation(domain->schannel_creds);
 	state->r.in.credential = &state->auth;
 	state->r.in.return_authenticator = &state->auth2;