ntvfs: pass down the client capabilities into the ntvfs layer

Note that we don't use any protocol specific values here.

For now only NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS is defined
others should be defined, when we find out that the ntvfs
layer needs to know about it.

metze
(This used to be commit cc42cd5f6753ca582677fa6f403f0419eec5ab10)

6 files changed, 30 insertions, 0 deletions

diff --git a/source4/ntvfs/ntvfs.h b/source4/ntvfs/ntvfs.h
index a708dbff51..7a2edc7e2c 100644
--- a/source4/ntvfs/ntvfs.h
+++ b/source4/ntvfs/ntvfs.h
@@ -181,6 +181,14 @@ struct ntvfs_context {
 
 	enum protocol_types protocol;
 
+	/*
+	 * client capabilities
+	 * this field doesn't use protocol specific
+	 * values!
+	 */
+#define NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS	0x0000000000000001LLU
+	uint64_t client_caps;
+
 	/* 
 	 * linked list of module contexts
 	 */
@@ -257,6 +265,14 @@ struct ntvfs_request {
 	/* the smb pid is needed for locking contexts */
 	uint16_t smbpid;
 
+	/*
+	 * client capabilities
+	 * this field doesn't use protocol specific
+	 * values!
+	 * see NTVFS_CLIENT_CAP_*
+	 */
+	uint64_t client_caps;
+
 	/* some statictics for the management tools */
 	struct {
 		/* the system time when the request arrived */
diff --git a/source4/ntvfs/ntvfs_base.c b/source4/ntvfs/ntvfs_base.c
index f5a24f23a0..35becabcf9 100644
--- a/source4/ntvfs/ntvfs_base.c
+++ b/source4/ntvfs/ntvfs_base.c
@@ -153,6 +153,7 @@ _PUBLIC_ bool ntvfs_interface_differs(const struct ntvfs_critical_sizes *const i
 */
 NTSTATUS ntvfs_init_connection(TALLOC_CTX *mem_ctx, struct share_config *scfg, enum ntvfs_type type,
 			       enum protocol_types protocol,
+			       uint64_t ntvfs_client_caps,
 			       struct event_context *ev, struct messaging_context *msg,
 			       struct loadparm_context *lp_ctx,
 			       struct server_id server_id, struct ntvfs_context **_ctx)
@@ -168,6 +169,7 @@ NTSTATUS ntvfs_init_connection(TALLOC_CTX *mem_ctx, struct share_config *scfg, e
 	ctx = talloc_zero(mem_ctx, struct ntvfs_context);
 	NT_STATUS_HAVE_NO_MEMORY(ctx);
 	ctx->protocol		= protocol;
+	ctx->client_caps	= ntvfs_client_caps;
 	ctx->type		= type;
 	ctx->config		= talloc_steal(ctx, scfg);
 	ctx->event_ctx		= ev;
diff --git a/source4/ntvfs/ntvfs_util.c b/source4/ntvfs/ntvfs_util.c
index 7432ac2c13..ebe8008edd 100644
--- a/source4/ntvfs/ntvfs_util.c
+++ b/source4/ntvfs/ntvfs_util.c
@@ -42,6 +42,7 @@ _PUBLIC_ struct ntvfs_request *ntvfs_request_create(struct ntvfs_context *ctx, T
 	req->async_states		= NULL;
 	req->session_info		= session_info;
 	req->smbpid			= smbpid;
+	req->client_caps		= ctx->client_caps;
 	req->statistics.request_time	= request_time;
 
 	async = talloc(req, struct ntvfs_async_state);
diff --git a/source4/rpc_server/srvsvc/srvsvc_ntvfs.c b/source4/rpc_server/srvsvc/srvsvc_ntvfs.c
index ccd6c4f74e..43fb24c0c3 100644
--- a/source4/rpc_server/srvsvc/srvsvc_ntvfs.c
+++ b/source4/rpc_server/srvsvc/srvsvc_ntvfs.c
@@ -98,6 +98,7 @@ NTSTATUS srvsvc_create_ntvfs_context(struct dcesrv_call_state *dce_call,
 	/* init ntvfs function pointers */
 	status = ntvfs_init_connection(c, scfg, type,
 				       PROTOCOL_NT1,
+				       0,/* ntvfs_client_caps */
 				       dce_call->event_ctx,
 				       dce_call->conn->msg_ctx,
 				       dce_call->conn->dce_ctx->lp_ctx,
diff --git a/source4/smb_server/smb/service.c b/source4/smb_server/smb/service.c
index 35b3653026..52471c09c9 100644
--- a/source4/smb_server/smb/service.c
+++ b/source4/smb_server/smb/service.c
@@ -36,6 +36,7 @@ static NTSTATUS make_connection_scfg(struct smbsrv_request *req,
 {
 	struct smbsrv_tcon *tcon;
 	NTSTATUS status;
+	uint64_t ntvfs_caps = 0;
 
 	tcon = smbsrv_smb_tcon_new(req->smb_conn, scfg->name);
 	if (!tcon) {
@@ -44,9 +45,14 @@ static NTSTATUS make_connection_scfg(struct smbsrv_request *req,
 	}
 	req->tcon = tcon;
 
+	if (req->smb_conn->negotiate.client_caps & CAP_LEVEL_II_OPLOCKS) {
+		ntvfs_caps |= NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS;
+	}
+
 	/* init ntvfs function pointers */
 	status = ntvfs_init_connection(tcon, scfg, type,
 				       req->smb_conn->negotiate.protocol,
+				       ntvfs_caps,
 				       req->smb_conn->connection->event.ctx,
 				       req->smb_conn->connection->msg_ctx,
 				       req->smb_conn->lp_ctx,
diff --git a/source4/smb_server/smb2/tcon.c b/source4/smb_server/smb2/tcon.c
index 7f7d558b16..040947f84f 100644
--- a/source4/smb_server/smb2/tcon.c
+++ b/source4/smb_server/smb2/tcon.c
@@ -245,6 +245,7 @@ static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon
 	const char *service = io->smb2.in.path;
 	struct share_config *scfg;
 	const char *sharetype;
+	uint64_t ntvfs_caps = 0;
 
 	if (strncmp(service, "\\\\", 2) == 0) {
 		const char *p = strchr(service+2, '\\');
@@ -283,9 +284,12 @@ static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon
 	}
 	req->tcon = tcon;
 
+	ntvfs_caps = NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS;
+
 	/* init ntvfs function pointers */
 	status = ntvfs_init_connection(tcon, scfg, type,
 				       req->smb_conn->negotiate.protocol,
+				       ntvfs_caps,
 				       req->smb_conn->connection->event.ctx,
 				       req->smb_conn->connection->msg_ctx,
 				       req->smb_conn->lp_ctx,