gensec: move event context from gensec_*_init() to gensec_update()

This avoids keeping the event context around on a the gensec_security
context structure long term.

In the Samba3 server, the event context we either supply is a NULL
pointer as no server-side modules currently use the event context.

Andrew Bartlett

Signed-off-by: Stefan Metzmacher <metze@samba.org>

19 files changed, 82 insertions, 71 deletions

diff --git a/source4/auth/gensec/gensec_gssapi.c b/source4/auth/gensec/gensec_gssapi.c
index 564c20cb482..55c2970d5aa 100644
--- a/source4/auth/gensec/gensec_gssapi.c
+++ b/source4/auth/gensec/gensec_gssapi.c
@@ -267,7 +267,8 @@ static NTSTATUS gensec_gssapi_sasl_server_start(struct gensec_security *gensec_s
 	return nt_status;
 }
 
-static NTSTATUS gensec_gssapi_client_creds(struct gensec_security *gensec_security)
+static NTSTATUS gensec_gssapi_client_creds(struct gensec_security *gensec_security,
+					   struct tevent_context *ev)
 {
 	struct gensec_gssapi_state *gensec_gssapi_state;
 	struct gssapi_creds_container *gcc;
@@ -283,8 +284,8 @@ static NTSTATUS gensec_gssapi_client_creds(struct gensec_security *gensec_securi
 	}
 
 	ret = cli_credentials_get_client_gss_creds(creds,
-						       gensec_security->event_ctx,
-						       gensec_security->settings->lp_ctx, &gcc, &error_string);
+						   ev,
+						   gensec_security->settings->lp_ctx, &gcc, &error_string);
 	switch (ret) {
 	case 0:
 		break;
@@ -423,8 +424,9 @@ static NTSTATUS gensec_gssapi_magic(struct gensec_security *gensec_security,
  */
 
 static NTSTATUS gensec_gssapi_update(struct gensec_security *gensec_security, 
-				   TALLOC_CTX *out_mem_ctx, 
-				   const DATA_BLOB in, DATA_BLOB *out) 
+				     TALLOC_CTX *out_mem_ctx,
+				     struct tevent_context *ev,
+				     const DATA_BLOB in, DATA_BLOB *out)
 {
 	struct gensec_gssapi_state *gensec_gssapi_state
 		= talloc_get_type(gensec_security->private_data, struct gensec_gssapi_state);
@@ -445,13 +447,13 @@ static NTSTATUS gensec_gssapi_update(struct gensec_security *gensec_security,
 			struct gsskrb5_send_to_kdc send_to_kdc;
 			krb5_error_code ret;
 
-			nt_status = gensec_gssapi_client_creds(gensec_security);
+			nt_status = gensec_gssapi_client_creds(gensec_security, ev);
 			if (!NT_STATUS_IS_OK(nt_status)) {
 				return nt_status;
 			}
 
 			send_to_kdc.func = smb_krb5_send_and_recv_func;
-			send_to_kdc.ptr = gensec_security->event_ctx;
+			send_to_kdc.ptr = ev;
 
 			min_stat = gsskrb5_set_send_to_kdc(&send_to_kdc);
 			if (min_stat) {
diff --git a/source4/auth/gensec/gensec_krb5.c b/source4/auth/gensec/gensec_krb5.c
index f17245ccec0..2a3bd22d32e 100644
--- a/source4/auth/gensec/gensec_krb5.c
+++ b/source4/auth/gensec/gensec_krb5.c
@@ -272,7 +272,9 @@ static NTSTATUS gensec_krb5_common_client_start(struct gensec_security *gensec_s
 	return NT_STATUS_OK;
 }
 
-static NTSTATUS gensec_krb5_common_client_creds(struct gensec_security *gensec_security, bool gssapi)
+static NTSTATUS gensec_krb5_common_client_creds(struct gensec_security *gensec_security,
+						struct tevent_context *ev,
+						bool gssapi)
 {
 	struct gensec_krb5_state *gensec_krb5_state;
 	krb5_error_code ret;
@@ -289,7 +291,7 @@ static NTSTATUS gensec_krb5_common_client_creds(struct gensec_security *gensec_s
 	hostname = gensec_get_target_hostname(gensec_security);
 
 	ret = cli_credentials_get_ccache(gensec_get_credentials(gensec_security), 
-				         gensec_security->event_ctx, 
+				         ev,
 					 gensec_security->settings->lp_ctx, &ccache_container, &error_string);
 	switch (ret) {
 	case 0:
@@ -311,7 +313,7 @@ static NTSTATUS gensec_krb5_common_client_creds(struct gensec_security *gensec_s
 	in_data.length = 0;
 	
 	/* Do this every time, in case we have weird recursive issues here */
-	ret = smb_krb5_context_set_event_ctx(gensec_krb5_state->smb_krb5_context, gensec_security->event_ctx, &previous_ev);
+	ret = smb_krb5_context_set_event_ctx(gensec_krb5_state->smb_krb5_context, ev, &previous_ev);
 	if (ret != 0) {
 		DEBUG(1, ("gensec_krb5_start: Setting event context failed\n"));
 		return NT_STATUS_NO_MEMORY;
@@ -340,7 +342,7 @@ static NTSTATUS gensec_krb5_common_client_creds(struct gensec_security *gensec_s
 				  &gensec_krb5_state->enc_ticket);
 	}
 
-	smb_krb5_context_remove_event_ctx(gensec_krb5_state->smb_krb5_context, previous_ev, gensec_security->event_ctx);
+	smb_krb5_context_remove_event_ctx(gensec_krb5_state->smb_krb5_context, previous_ev, ev);
 
 	switch (ret) {
 	case 0:
@@ -423,6 +425,7 @@ static NTSTATUS gensec_fake_gssapi_krb5_magic(struct gensec_security *gensec_sec
 
 static NTSTATUS gensec_krb5_update(struct gensec_security *gensec_security, 
 				   TALLOC_CTX *out_mem_ctx, 
+				   struct tevent_context *ev,
 				   const DATA_BLOB in, DATA_BLOB *out) 
 {
 	struct gensec_krb5_state *gensec_krb5_state = (struct gensec_krb5_state *)gensec_security->private_data;
@@ -434,7 +437,7 @@ static NTSTATUS gensec_krb5_update(struct gensec_security *gensec_security,
 	{
 		DATA_BLOB unwrapped_out;
 		
-		nt_status = gensec_krb5_common_client_creds(gensec_security, gensec_krb5_state->gssapi);
+		nt_status = gensec_krb5_common_client_creds(gensec_security, ev, gensec_krb5_state->gssapi);
 		if (!NT_STATUS_IS_OK(nt_status)) {
 			return nt_status;
 		}
diff --git a/source4/auth/gensec/pygensec.c b/source4/auth/gensec/pygensec.c
index d7cbea6f574..858cbe915e2 100644
--- a/source4/auth/gensec/pygensec.c
+++ b/source4/auth/gensec/pygensec.c
@@ -82,7 +82,6 @@ static PyObject *py_gensec_start_client(PyTypeObject *type, PyObject *args, PyOb
 	struct gensec_settings *settings;
 	const char *kwnames[] = { "settings", NULL };
 	PyObject *py_settings;
-	struct tevent_context *ev;
 	struct gensec_security *gensec;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O", discard_const_p(char *, kwnames), &py_settings))
@@ -120,13 +119,6 @@ static PyObject *py_gensec_start_client(PyTypeObject *type, PyObject *args, PyOb
 		}
 	}
 
-	ev = tevent_context_init(self->talloc_ctx);
-	if (ev == NULL) {
-		PyErr_NoMemory();
-		PyObject_Del(self);
-		return NULL;
-	}
-
 	status = gensec_init();
 	if (!NT_STATUS_IS_OK(status)) {
 		PyErr_SetNTSTATUS(status);
@@ -134,7 +126,7 @@ static PyObject *py_gensec_start_client(PyTypeObject *type, PyObject *args, PyOb
 		return NULL;
 	}
 
-	status = gensec_client_start(self->talloc_ctx, &gensec, ev, settings);
+	status = gensec_client_start(self->talloc_ctx, &gensec, settings);
 	if (!NT_STATUS_IS_OK(status)) {
 		PyErr_SetNTSTATUS(status);
 		PyObject_DEL(self);
@@ -154,7 +146,6 @@ static PyObject *py_gensec_start_server(PyTypeObject *type, PyObject *args, PyOb
 	const char *kwnames[] = { "settings", "auth_context", NULL };
 	PyObject *py_settings = Py_None;
 	PyObject *py_auth_context = Py_None;
-	struct tevent_context *ev;
 	struct gensec_security *gensec;
 	struct auth4_context *auth_context = NULL;
 
@@ -193,13 +184,6 @@ static PyObject *py_gensec_start_server(PyTypeObject *type, PyObject *args, PyOb
 		}
 	}
 
-	ev = tevent_context_init(self->talloc_ctx);
-	if (ev == NULL) {
-		PyErr_NoMemory();
-		PyObject_Del(self);
-		return NULL;
-	}
-
 	if (py_auth_context != Py_None) {
 		auth_context = pytalloc_get_type(py_auth_context, struct auth4_context);
 		if (!auth_context) {
@@ -217,7 +201,7 @@ static PyObject *py_gensec_start_server(PyTypeObject *type, PyObject *args, PyOb
 		return NULL;
 	}
 
-	status = gensec_server_start(self->talloc_ctx, ev, settings, auth_context, &gensec);
+	status = gensec_server_start(self->talloc_ctx, settings, auth_context, &gensec);
 	if (!NT_STATUS_IS_OK(status)) {
 		PyErr_SetNTSTATUS(status);
 		PyObject_DEL(self);
@@ -368,6 +352,7 @@ static PyObject *py_gensec_update(PyObject *self, PyObject *args)
 	PyObject *ret, *py_in;
 	struct gensec_security *security = pytalloc_get_type(self, struct gensec_security);
 	PyObject *finished_processing;
+	struct tevent_context *ev;
 
 	if (!PyArg_ParseTuple(args, "O", &py_in))
 		return NULL;
@@ -382,7 +367,14 @@ static PyObject *py_gensec_update(PyObject *self, PyObject *args)
 	in.data = (uint8_t *)PyString_AsString(py_in);
 	in.length = PyString_Size(py_in);
 
-	status = gensec_update(security, mem_ctx, in, &out);
+	ev = tevent_context_init(mem_ctx);
+	if (ev == NULL) {
+		PyErr_NoMemory();
+		PyObject_Del(self);
+		return NULL;
+	}
+
+	status = gensec_update(security, mem_ctx, ev, in, &out);
 
 	if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)
 	    && !NT_STATUS_IS_OK(status)) {
diff --git a/source4/auth/gensec/schannel.c b/source4/auth/gensec/schannel.c
index f947d455968..51be445dbb3 100644
--- a/source4/auth/gensec/schannel.c
+++ b/source4/auth/gensec/schannel.c
@@ -52,7 +52,8 @@ static NTSTATUS schannel_session_key(struct gensec_security *gensec_security,
 }
 
 static NTSTATUS schannel_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
-				       const DATA_BLOB in, DATA_BLOB *out)
+				struct tevent_context *ev,
+				const DATA_BLOB in, DATA_BLOB *out)
 {
 	struct schannel_state *state = (struct schannel_state *)gensec_security->private_data;
 	NTSTATUS status;
diff --git a/source4/auth/gensec/spnego.c b/source4/auth/gensec/spnego.c
index 281b954210b..fd3caaad87f 100644
--- a/source4/auth/gensec/spnego.c
+++ b/source4/auth/gensec/spnego.c
@@ -331,6 +331,7 @@ static NTSTATUS gensec_spnego_session_info(struct gensec_security *gensec_securi
 
 static NTSTATUS gensec_spnego_server_try_fallback(struct gensec_security *gensec_security, 
 						  struct spnego_state *spnego_state,
+						  struct tevent_context *ev,
 						  TALLOC_CTX *out_mem_ctx, 
 						  const DATA_BLOB in, DATA_BLOB *out) 
 {
@@ -384,7 +385,7 @@ static NTSTATUS gensec_spnego_server_try_fallback(struct gensec_security *gensec
 			return nt_status;
 		}
 		nt_status = gensec_update(spnego_state->sub_sec_security,
-					  out_mem_ctx, in, out);
+					  ev, out_mem_ctx, in, out);
 		return nt_status;
 	}
 	DEBUG(1, ("Failed to parse SPNEGO request\n"));
@@ -400,6 +401,7 @@ static NTSTATUS gensec_spnego_server_try_fallback(struct gensec_security *gensec
 static NTSTATUS gensec_spnego_parse_negTokenInit(struct gensec_security *gensec_security,
 						 struct spnego_state *spnego_state, 
 						 TALLOC_CTX *out_mem_ctx, 
+						 struct tevent_context *ev,
 						 const char **mechType,
 						 const DATA_BLOB unwrapped_in, DATA_BLOB *unwrapped_out) 
 {
@@ -451,6 +453,7 @@ static NTSTATUS gensec_spnego_parse_negTokenInit(struct gensec_security *gensec_
 
 				nt_status = gensec_update(spnego_state->sub_sec_security,
 							  out_mem_ctx, 
+							  ev,
 							  unwrapped_in,
 							  unwrapped_out);
 				if (NT_STATUS_EQUAL(nt_status, NT_STATUS_INVALID_PARAMETER) || 
@@ -504,6 +507,7 @@ static NTSTATUS gensec_spnego_parse_negTokenInit(struct gensec_security *gensec_
 			/* only get the helping start blob for the first OID */
 			nt_status = gensec_update(spnego_state->sub_sec_security,
 						  out_mem_ctx, 
+						  ev,
 						  null_data_blob, 
 						  unwrapped_out);
 
@@ -579,6 +583,7 @@ static NTSTATUS gensec_spnego_parse_negTokenInit(struct gensec_security *gensec_
 static NTSTATUS gensec_spnego_create_negTokenInit(struct gensec_security *gensec_security, 
 						  struct spnego_state *spnego_state,
 						  TALLOC_CTX *out_mem_ctx, 
+						  struct tevent_context *ev,
 						  const DATA_BLOB in, DATA_BLOB *out) 
 {
 	int i;
@@ -619,6 +624,7 @@ static NTSTATUS gensec_spnego_create_negTokenInit(struct gensec_security *gensec
 		if (spnego_state->state_position == SPNEGO_CLIENT_START) {
 			nt_status = gensec_update(spnego_state->sub_sec_security,
 						  out_mem_ctx, 
+						  ev,
 						  null_data_blob,
 						  &unwrapped_out);
 			
@@ -734,6 +740,7 @@ static NTSTATUS gensec_spnego_server_negTokenTarg(struct gensec_security *gensec
 
 
 static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx, 
+				     struct tevent_context *ev,
 				     const DATA_BLOB in, DATA_BLOB *out) 
 {
 	struct spnego_state *spnego_state = (struct spnego_state *)gensec_security->private_data;
@@ -755,7 +762,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 
 	switch (spnego_state->state_position) {
 	case SPNEGO_FALLBACK:
-		return gensec_update(spnego_state->sub_sec_security,
+		return gensec_update(spnego_state->sub_sec_security, ev,
 				     out_mem_ctx, in, out);
 	case SPNEGO_SERVER_START:
 	{
@@ -764,8 +771,8 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 
 			len = spnego_read_data(gensec_security, in, &spnego);
 			if (len == -1) {
-				return gensec_spnego_server_try_fallback(gensec_security, spnego_state, 
-									 out_mem_ctx, in, out);
+				return gensec_spnego_server_try_fallback(gensec_security, spnego_state,
+									 out_mem_ctx, ev, in, out);
 			}
 			/* client sent NegTargetInit, we send NegTokenTarg */
 
@@ -781,6 +788,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 			nt_status = gensec_spnego_parse_negTokenInit(gensec_security,
 								     spnego_state,
 								     out_mem_ctx, 
+								     ev,
 								     spnego.negTokenInit.mechTypes,
 								     spnego.negTokenInit.mechToken, 
 								     &unwrapped_out);
@@ -798,7 +806,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 			return nt_status;
 		} else {
 			nt_status = gensec_spnego_create_negTokenInit(gensec_security, spnego_state, 
-								      out_mem_ctx, in, out);
+								      out_mem_ctx, ev, in, out);
 			spnego_state->state_position = SPNEGO_SERVER_START;
 			spnego_state->expected_packet = SPNEGO_NEG_TOKEN_INIT;
 			return nt_status;
@@ -815,7 +823,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 		if (!in.length) {
 			/* client to produce negTokenInit */
 			nt_status = gensec_spnego_create_negTokenInit(gensec_security, spnego_state, 
-								 out_mem_ctx, in, out);
+								      out_mem_ctx, ev, in, out);
 			spnego_state->state_position = SPNEGO_CLIENT_TARG;
 			spnego_state->expected_packet = SPNEGO_NEG_TOKEN_TARG;
 			return nt_status;
@@ -849,6 +857,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 		nt_status = gensec_spnego_parse_negTokenInit(gensec_security,
 							     spnego_state,
 							     out_mem_ctx, 
+							     ev,
 							     spnego.negTokenInit.mechTypes,
 							     spnego.negTokenInit.mechToken, 
 							     &unwrapped_out);
@@ -916,7 +925,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 		}
 
 		nt_status = gensec_update(spnego_state->sub_sec_security,
-					  out_mem_ctx, 
+					  out_mem_ctx, ev,
 					  spnego.negTokenTarg.responseToken,
 					  &unwrapped_out);
 		if (NT_STATUS_IS_OK(nt_status) && spnego.negTokenTarg.mechListMIC.length > 0) {
@@ -1012,7 +1021,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 			}
 
 			nt_status = gensec_update(spnego_state->sub_sec_security,
-						  out_mem_ctx, 
+						  out_mem_ctx, ev,
 						  spnego.negTokenTarg.responseToken,
 						  &unwrapped_out);
 			spnego_state->neg_oid = talloc_strdup(spnego_state, spnego.negTokenTarg.supportedMech);
@@ -1042,7 +1051,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA
 			bool new_spnego = false;
 
 			nt_status = gensec_update(spnego_state->sub_sec_security,
-						  out_mem_ctx, 
+						  out_mem_ctx, ev,
 						  spnego.negTokenTarg.responseToken, 
 						  &unwrapped_out);
 
diff --git a/source4/auth/ntlmssp/ntlmssp.c b/source4/auth/ntlmssp/ntlmssp.c
index 0c63d05d683..47903d161bf 100644
--- a/source4/auth/ntlmssp/ntlmssp.c
+++ b/source4/auth/ntlmssp/ntlmssp.c
@@ -142,6 +142,7 @@ static NTSTATUS gensec_ntlmssp_update_find(struct ntlmssp_state *ntlmssp_state,
 
 static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security, 
 				      TALLOC_CTX *out_mem_ctx, 
+				      struct tevent_context *ev,
 				      const DATA_BLOB input, DATA_BLOB *out)
 {
 	struct gensec_ntlmssp_context *gensec_ntlmssp =
diff --git a/source4/auth/samba_server_gensec.c b/source4/auth/samba_server_gensec.c
index 24b658ad321..7b09aa78d7e 100644
--- a/source4/auth/samba_server_gensec.c
+++ b/source4/auth/samba_server_gensec.c
@@ -57,7 +57,6 @@ NTSTATUS samba_server_gensec_start(TALLOC_CTX *mem_ctx,
 	}
 
 	nt_status = gensec_server_start(tmp_ctx,
-					event_ctx,
 					lpcfg_gensec_settings(mem_ctx, lp_ctx),
 					auth_context,
 					&gensec_ctx);
diff --git a/source4/kdc/kpasswdd.c b/source4/kdc/kpasswdd.c
index 0763e924986..8bed20e5181 100644
--- a/source4/kdc/kpasswdd.c
+++ b/source4/kdc/kpasswdd.c
@@ -571,7 +571,7 @@ enum kdc_process_ret kpasswdd_process(struct kdc_server *kdc,
 	}
 
 	/* Accept the AP-REQ and generate teh AP-REP we need for the reply */
-	nt_status = gensec_update(gensec_security, tmp_ctx, ap_req, &ap_rep);
+	nt_status = gensec_update(gensec_security, tmp_ctx, kdc->task->event_ctx, ap_req, &ap_rep);
 	if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
 
 		ret = kpasswdd_make_unauth_error_reply(kdc, mem_ctx,
diff --git a/source4/ldap_server/ldap_bind.c b/source4/ldap_server/ldap_bind.c
index fd7deda4990..e0db358b4f8 100644
--- a/source4/ldap_server/ldap_bind.c
+++ b/source4/ldap_server/ldap_bind.c
@@ -202,7 +202,7 @@ static NTSTATUS ldapsrv_BindSASL(struct ldapsrv_call *call)
 			input = *req->creds.SASL.secblob;
 		}
 
-		status = gensec_update(conn->gensec, reply,
+		status = gensec_update(conn->gensec, reply, conn->connection->event.ctx,
 				       input, &output);
 
 		/* Windows 2000 mmc doesn't like secblob == NULL and reports a decoding error */
diff --git a/source4/libcli/ldap/ldap_bind.c b/source4/libcli/ldap/ldap_bind.c
index e5e8cbadb4c..f167f17de96 100644
--- a/source4/libcli/ldap/ldap_bind.c
+++ b/source4/libcli/ldap/ldap_bind.c
@@ -225,7 +225,6 @@ _PUBLIC_ NTSTATUS ldap_bind_sasl(struct ldap_connection *conn,
 	gensec_init();
 
 	status = gensec_client_start(conn, &conn->gensec,
-				     conn->event.event_ctx, 
 				     lpcfg_gensec_settings(conn, lp_ctx));
 	if (!NT_STATUS_IS_OK(status)) {
 		DEBUG(0, ("Failed to start GENSEC engine (%s)\n", nt_errstr(status)));
@@ -319,6 +318,7 @@ _PUBLIC_ NTSTATUS ldap_bind_sasl(struct ldap_connection *conn,
 		int result = LDAP_OTHER;
 	
 		status = gensec_update(conn->gensec, tmp_ctx,
+				       conn->event.event_ctx,
 				       input,
 				       &output);
 		/* The status value here, from GENSEC is vital to the security
diff --git a/source4/libcli/smb2/session.c b/source4/libcli/smb2/session.c
index 0f749a0b6c2..f30152329e9 100644
--- a/source4/libcli/smb2/session.c
+++ b/source4/libcli/smb2/session.c
@@ -53,7 +53,6 @@ struct smb2_session *smb2_session_init(struct smb2_transport *transport,
 
 	/* prepare a gensec context for later use */
 	status = gensec_client_start(session, &session->gensec, 
-				     session->transport->socket->event.ctx, 
 				     settings);
 	if (!NT_STATUS_IS_OK(status)) {
 		talloc_free(session);
@@ -203,6 +202,7 @@ struct tevent_req *smb2_session_setup_spnego_send(TALLOC_CTX *mem_ctx,
 	}
 
 	status = gensec_update(session->gensec, state,
+			       session->transport->socket->event.ctx,
 			       session->transport->negotiate.secblob,
 			       &state->io.in.secblob);
 	if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
@@ -242,6 +242,7 @@ static void smb2_session_setup_spnego_handler(struct smb2_request *subreq)
 	    (NT_STATUS_IS_OK(peer_status) &&
 	     NT_STATUS_EQUAL(state->gensec_status, NT_STATUS_MORE_PROCESSING_REQUIRED))) {
 		status = gensec_update(session->gensec, state,
+				       session->transport->socket->event.ctx,
 				       state->io.out.secblob,
 				       &state->io.in.secblob);
 		state->gensec_status = status;
diff --git a/source4/libcli/smb_composite/sesssetup.c b/source4/libcli/smb_composite/sesssetup.c
index 73856698368..8b1571cc495 100644
--- a/source4/libcli/smb_composite/sesssetup.c
+++ b/source4/libcli/smb_composite/sesssetup.c
@@ -181,7 +181,7 @@ static void request_handler(struct smbcli_request *req)
 			 * host/attacker might avoid mutal authentication
 			 * requirements */
 			
-			state->gensec_status = gensec_update(session->gensec, state,
+			state->gensec_status = gensec_update(session->gensec, state, c->event_ctx,
 							 state->setup.spnego.out.secblob,
 							 &state->setup.spnego.in.secblob);
 			c->status = state->gensec_status;
@@ -443,7 +443,7 @@ static NTSTATUS session_setup_spnego(struct composite_context *c,
 
 	smbcli_temp_set_signing(session->transport);
 
-	status = gensec_client_start(session, &session->gensec, c->event_ctx,
+	status = gensec_client_start(session, &session->gensec,
 				     io->in.gensec_settings);
 	if (!NT_STATUS_IS_OK(status)) {
 		DEBUG(1, ("Failed to start GENSEC client mode: %s\n", nt_errstr(status)));
@@ -500,10 +500,12 @@ static NTSTATUS session_setup_spnego(struct composite_context *c,
 
 	if ((const void *)chosen_oid == (const void *)GENSEC_OID_SPNEGO) {
 		status = gensec_update(session->gensec, state,
+				       c->event_ctx,
 				       session->transport->negotiate.secblob,
 				       &state->setup.spnego.in.secblob);
 	} else {
 		status = gensec_update(session->gensec, state,
+				       c->event_ctx,
 				       data_blob(NULL, 0),
 				       &state->setup.spnego.in.secblob);
 
diff --git a/source4/librpc/rpc/dcerpc_auth.c b/source4/librpc/rpc/dcerpc_auth.c
index fb2f4fb6806..b3f4f2fdb05 100644
--- a/source4/librpc/rpc/dcerpc_auth.c
+++ b/source4/librpc/rpc/dcerpc_auth.c
@@ -132,6 +132,7 @@ static void bind_auth_next_step(struct composite_context *c)
 	 */
 
 	c->status = gensec_update(sec->generic_state, state,
+				  state->pipe->conn->event_ctx,
 				  sec->auth_info->credentials,
 				  &state->credentials);
 	data_blob_free(&sec->auth_info->credentials);
@@ -255,7 +256,6 @@ struct composite_context *dcerpc_bind_auth_send(TALLOC_CTX *mem_ctx,
 	sec = &p->conn->security_state;
 
 	c->status = gensec_client_start(p, &sec->generic_state,
-					p->conn->event_ctx,
 					gensec_settings);
 	if (!NT_STATUS_IS_OK(c->status)) {
 		DEBUG(1, ("Failed to start GENSEC client mode: %s\n",
@@ -334,6 +334,7 @@ struct composite_context *dcerpc_bind_auth_send(TALLOC_CTX *mem_ctx,
 	 */
 
 	c->status = gensec_update(sec->generic_state, state,
+				  p->conn->event_ctx,
 				  sec->auth_info->credentials,
 				  &state->credentials);
 	if (!NT_STATUS_IS_OK(c->status) &&
diff --git a/source4/rpc_server/dcesrv_auth.c b/source4/rpc_server/dcesrv_auth.c
index ee7a86ab853..c891cc62b7a 100644
--- a/source4/rpc_server/dcesrv_auth.c
+++ b/source4/rpc_server/dcesrv_auth.c
@@ -113,7 +113,7 @@ NTSTATUS dcesrv_auth_bind_ack(struct dcesrv_call_state *call, struct ncacn_packe
 	}
 
 	status = gensec_update(dce_conn->auth_state.gensec_security,
-			       call,
+			       call, call->event_ctx,
 			       dce_conn->auth_state.auth_info->credentials, 
 			       &dce_conn->auth_state.auth_info->credentials);
 	
@@ -171,7 +171,7 @@ bool dcesrv_auth_auth3(struct dcesrv_call_state *call)
 
 	/* Pass the extra data we got from the client down to gensec for processing */
 	status = gensec_update(dce_conn->auth_state.gensec_security,
-			       call,
+			       call, call->event_ctx,
 			       dce_conn->auth_state.auth_info->credentials, 
 			       &dce_conn->auth_state.auth_info->credentials);
 	if (NT_STATUS_IS_OK(status)) {
@@ -250,7 +250,7 @@ NTSTATUS dcesrv_auth_alter_ack(struct dcesrv_call_state *call, struct ncacn_pack
 	}
 
 	status = gensec_update(dce_conn->auth_state.gensec_security,
-			       call,
+			       call, call->event_ctx,
 			       dce_conn->auth_state.auth_info->credentials, 
 			       &dce_conn->auth_state.auth_info->credentials);
 
diff --git a/source4/smb_server/smb/negprot.c b/source4/smb_server/smb/negprot.c
index 378330ff28f..739881dadcf 100644
--- a/source4/smb_server/smb/negprot.c
+++ b/source4/smb_server/smb/negprot.c
@@ -392,7 +392,7 @@ static void reply_nt1(struct smbsrv_request *req, uint16_t choice)
 		
 		if (NT_STATUS_IS_OK(nt_status)) {
 			/* Get and push the proposed OID list into the packets */
-			nt_status = gensec_update(gensec_security, req, null_data_blob, &blob);
+			nt_status = gensec_update(gensec_security, req, req->smb_conn->connection->event.ctx, null_data_blob, &blob);
 
 			if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
 				DEBUG(1, ("Failed to get SPNEGO to give us the first token: %s\n", nt_errstr(nt_status)));
diff --git a/source4/smb_server/smb2/negprot.c b/source4/smb_server/smb2/negprot.c
index bc896aa9240..dd69c9fc7ec 100644
--- a/source4/smb_server/smb2/negprot.c
+++ b/source4/smb_server/smb2/negprot.c
@@ -79,7 +79,7 @@ static NTSTATUS smb2srv_negprot_secblob(struct smb2srv_request *req, DATA_BLOB *
 		return nt_status;
 	}
 
-	nt_status = gensec_update(gensec_security, req, null_data_blob, &blob);
+	nt_status = gensec_update(gensec_security, req, req->smb_conn->connection->event.ctx, null_data_blob, &blob);
 	if (!NT_STATUS_IS_OK(nt_status) && !NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
 		DEBUG(0, ("Failed to get SPNEGO to give us the first token: %s\n", nt_errstr(nt_status)));
 		smbsrv_terminate_connection(req->smb_conn, "Failed to start SPNEGO - no first token\n");
diff --git a/source4/torture/auth/ntlmssp.c b/source4/torture/auth/ntlmssp.c
index c98985c97c3..db2f2db314c 100644
--- a/source4/torture/auth/ntlmssp.c
+++ b/source4/torture/auth/ntlmssp.c
@@ -36,7 +36,7 @@ static bool torture_ntlmssp_self_check(struct torture_context *tctx)
 
 	torture_assert_ntstatus_ok(tctx, 
 		gensec_client_start(mem_ctx, &gensec_security,
-				    tctx->ev, lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
+				    lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
 		"gensec client start");
 
 	gensec_set_credentials(gensec_security, cmdline_credentials);
@@ -93,7 +93,7 @@ static bool torture_ntlmssp_self_check(struct torture_context *tctx)
 
 	torture_assert_ntstatus_ok(tctx, 
 		gensec_client_start(mem_ctx, &gensec_security,
-				    tctx->ev, lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
+				    lpcfg_gensec_settings(tctx, tctx->lp_ctx)),
 		"Failed to start GENSEC for NTLMSSP");
 
 	gensec_set_credentials(gensec_security, cmdline_credentials);
diff --git a/source4/torture/rpc/remote_pac.c b/source4/torture/rpc/remote_pac.c
index 88a40b4fe4d..22fcd73cb4d 100644
--- a/source4/torture/rpc/remote_pac.c
+++ b/source4/torture/rpc/remote_pac.c
@@ -85,7 +85,7 @@ static bool test_PACVerify(struct torture_context *tctx,
 		return false;
 	}
 
-	status = gensec_client_start(tctx, &gensec_client_context, tctx->ev, 
+	status = gensec_client_start(tctx, &gensec_client_context,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 	torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 
@@ -97,7 +97,7 @@ static bool test_PACVerify(struct torture_context *tctx,
 	status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 	torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 
-	status = gensec_server_start(tctx, tctx->ev, 
+	status = gensec_server_start(tctx,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 				     NULL, &gensec_server_context);
 	torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
@@ -112,12 +112,12 @@ static bool test_PACVerify(struct torture_context *tctx,
 	
 	do {
 		/* Do a client-server update dance */
-		status = gensec_update(gensec_client_context, tmp_ctx, server_to_client, &client_to_server);
+		status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 		}
 
-		status = gensec_update(gensec_server_context, tmp_ctx, client_to_server, &server_to_client);
+		status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 		}
@@ -424,7 +424,7 @@ static bool test_S2U4Self(struct torture_context *tctx,
 
 	/* First, do a normal Kerberos connection */
 
-	status = gensec_client_start(tctx, &gensec_client_context, tctx->ev,
+	status = gensec_client_start(tctx, &gensec_client_context,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 	torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 
@@ -436,7 +436,7 @@ static bool test_S2U4Self(struct torture_context *tctx,
 	status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 	torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 
-	status = gensec_server_start(tctx, tctx->ev,
+	status = gensec_server_start(tctx,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 				     NULL, &gensec_server_context);
 	torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
@@ -451,12 +451,12 @@ static bool test_S2U4Self(struct torture_context *tctx,
 
 	do {
 		/* Do a client-server update dance */
-		status = gensec_update(gensec_client_context, tmp_ctx, server_to_client, &client_to_server);
+		status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 		}
 
-		status = gensec_update(gensec_server_context, tmp_ctx, client_to_server, &server_to_client);
+		status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 		}
@@ -480,7 +480,7 @@ static bool test_S2U4Self(struct torture_context *tctx,
 			cli_credentials_get_principal(cmdline_credentials, tmp_ctx),
 			talloc_asprintf(tmp_ctx, "host/%s", test_machine_name));
 
-	status = gensec_client_start(tctx, &gensec_client_context, tctx->ev,
+	status = gensec_client_start(tctx, &gensec_client_context,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx));
 	torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
 
@@ -493,7 +493,7 @@ static bool test_S2U4Self(struct torture_context *tctx,
 	status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
 	torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
 
-	status = gensec_server_start(tctx, tctx->ev,
+	status = gensec_server_start(tctx,
 				     lpcfg_gensec_settings(tctx, tctx->lp_ctx),
 				     NULL, &gensec_server_context);
 	torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
@@ -508,12 +508,12 @@ static bool test_S2U4Self(struct torture_context *tctx,
 
 	do {
 		/* Do a client-server update dance */
-		status = gensec_update(gensec_client_context, tmp_ctx, server_to_client, &client_to_server);
+		status = gensec_update(gensec_client_context, tmp_ctx, tctx->ev, server_to_client, &client_to_server);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
 		}
 
-		status = gensec_update(gensec_server_context, tmp_ctx, client_to_server, &server_to_client);
+		status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, client_to_server, &server_to_client);
 		if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
 			torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
 		}
diff --git a/source4/utils/ntlm_auth.c b/source4/utils/ntlm_auth.c
index c0a06bd3367..cc92c170b65 100644
--- a/source4/utils/ntlm_auth.c
+++ b/source4/utils/ntlm_auth.c
@@ -449,7 +449,7 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
 		case NTLMSSP_CLIENT_1:
 			/* setup the client side */
 
-			nt_status = gensec_client_start(NULL, &state->gensec_state, ev, 
+			nt_status = gensec_client_start(NULL, &state->gensec_state,
 							lpcfg_gensec_settings(NULL, lp_ctx));
 			if (!NT_STATUS_IS_OK(nt_status)) {
 				talloc_free(mem_ctx);
@@ -481,7 +481,7 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
 				exit(1);
 			}
 			
-			if (!NT_STATUS_IS_OK(gensec_server_start(state, ev, 
+			if (!NT_STATUS_IS_OK(gensec_server_start(state,
 								 lpcfg_gensec_settings(state, lp_ctx),
 								 auth_context, &state->gensec_state))) {
 				talloc_free(mem_ctx);
@@ -632,7 +632,7 @@ static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
 		return;
 	}
 
-	nt_status = gensec_update(state->gensec_state, mem_ctx, in, &out);
+	nt_status = gensec_update(state->gensec_state, mem_ctx, ev, in, &out);
 	
 	/* don't leak 'bad password'/'no such user' info to the network client */
 	nt_status = nt_status_squash(nt_status);