1 files changed, 70 insertions, 0 deletions

diff --git a/source4/libcli/smb2/session.c b/source4/libcli/smb2/session.c
index 23fed70e17..2f9a979fea 100644
--- a/source4/libcli/smb2/session.c
+++ b/source4/libcli/smb2/session.c
@@ -23,6 +23,7 @@
 #include "includes.h"
 #include "libcli/raw/libcliraw.h"
 #include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
 
 /*
   initialise a smb2_session structure
@@ -31,6 +32,7 @@ struct smb2_session *smb2_session_init(struct smb2_transport *transport,
 				       TALLOC_CTX *parent_ctx, BOOL primary)
 {
 	struct smb2_session *session;
+	NTSTATUS status;
 
 	session = talloc_zero(parent_ctx, struct smb2_session);
 	if (!session) {
@@ -42,6 +44,74 @@ struct smb2_session *smb2_session_init(struct smb2_transport *transport,
 		session->transport = talloc_reference(session, transport);
 	}
 
+	/* prepare a gensec context for later use */
+	status = gensec_client_start(session, &session->gensec, 
+				     session->transport->socket->event.ctx);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(session);
+		return NULL;
+	}
+
 	return session;
 }
 
+/*
+  send a session setup request
+*/
+struct smb2_request *smb2_session_setup_send(struct smb2_session *session, 
+					     struct smb2_session_setup *io)
+{
+	struct smb2_request *req;
+	
+	req = smb2_request_init(session->transport, SMB2_OP_SESSSETUP, 
+				0x10 + io->in.secblob.length);
+	if (req == NULL) return NULL;
+
+	SIVAL(req->out.body, 0x00, io->in.unknown1);
+	SIVAL(req->out.body, 0x04, io->in.unknown2);
+	SIVAL(req->out.body, 0x08, io->in.unknown3);
+	SSVAL(req->out.body, 0x0C, io->in.unknown4);
+	SSVAL(req->out.body, 0x0E, io->in.secblob.length);
+	memcpy(req->out.body+0x10, io->in.secblob.data, io->in.secblob.length);
+
+	smb2_transport_send(req);
+
+	return req;
+}
+
+
+/*
+  recv a session setup reply
+*/
+NTSTATUS smb2_session_setup_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, 
+				 struct smb2_session_setup *io)
+{
+	uint16_t blobsize;
+
+	if (!smb2_request_receive(req) || 
+	    smb2_request_is_error(req)) {
+		return smb2_request_destroy(req);
+	}
+
+	if (req->in.body_size < 0x08) {
+		return NT_STATUS_BUFFER_TOO_SMALL;
+	}
+
+	io->out.unknown1     = IVAL(req->in.body, 0x00);
+	io->out.unknown2     = SVAL(req->in.body, 0x04);
+	blobsize             = SVAL(req->in.body, 0x06);
+	io->out.secblob      = smb2_pull_blob(req, req->in.body+0x08, blobsize);
+	talloc_steal(mem_ctx, io->out.secblob.data);
+
+	return smb2_request_destroy(req);
+}
+
+/*
+  sync session setup request
+*/
+NTSTATUS smb2_session_setup(struct smb2_session *session, 
+			    TALLOC_CTX *mem_ctx, struct smb2_session_setup *io)
+{
+	struct smb2_request *req = smb2_session_setup_send(session, io);
+	return smb2_session_setup_recv(req, mem_ctx, io);
+}