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-rw-r--r--source4/smb_server/smb2/fileio.c54
-rw-r--r--source4/smb_server/smb2/smb2_server.h97
2 files changed, 150 insertions, 1 deletions
diff --git a/source4/smb_server/smb2/fileio.c b/source4/smb_server/smb2/fileio.c
index b9f36fdc7a..778dd584ed 100644
--- a/source4/smb_server/smb2/fileio.c
+++ b/source4/smb_server/smb2/fileio.c
@@ -20,11 +20,63 @@
#include "includes.h"
#include "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+#include "smb_server/smb_server.h"
+#include "smb_server/service_smb_proto.h"
#include "smb_server/smb2/smb2_server.h"
+#include "ntvfs/ntvfs.h"
+
+static void smb2srv_create_send(struct ntvfs_request *ntvfs)
+{
+ struct smb2srv_request *req;
+ union smb_open *io;
+
+ SMB2SRV_CHECK_ASYNC_STATUS(io, union smb_open);
+ SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x58, True, io->smb2.out.blob.length));
+
+ SSVAL(req->out.body, 0x02, io->smb2.out.oplock_flags);
+ SIVAL(req->out.body, 0x04, io->smb2.out.create_action);
+ SBVAL(req->out.body, 0x08, io->smb2.out.create_time);
+ SBVAL(req->out.body, 0x10, io->smb2.out.access_time);
+ SBVAL(req->out.body, 0x18, io->smb2.out.write_time);
+ SBVAL(req->out.body, 0x20, io->smb2.out.change_time);
+ SBVAL(req->out.body, 0x28, io->smb2.out.alloc_size);
+ SBVAL(req->out.body, 0x30, io->smb2.out.size);
+ SIVAL(req->out.body, 0x38, io->smb2.out.file_attr);
+ SIVAL(req->out.body, 0x3C, io->smb2.out._pad);
+ smb2srv_push_handle(req->out.body, 0x40,io->smb2.out.file.ntvfs);
+ SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x50, io->smb2.out.blob));
+
+ smb2srv_send_reply(req);
+}
void smb2srv_create_recv(struct smb2srv_request *req)
{
- smb2srv_send_error(req, NT_STATUS_NOT_IMPLEMENTED);
+ union smb_open *io;
+ DATA_BLOB blob;
+
+ SMB2SRV_CHECK_BODY_SIZE(req, 0x38, True);
+ SMB2SRV_TALLOC_IO_PTR(io, union smb_open);
+ SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_create_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
+
+ io->smb2.level = RAW_OPEN_SMB2;
+ io->smb2.in.oplock_flags = SVAL(req->in.body, 0x02);
+ io->smb2.in.impersonation = IVAL(req->in.body, 0x04);
+ io->smb2.in.unknown3[0] = IVAL(req->in.body, 0x08);
+ io->smb2.in.unknown3[1] = IVAL(req->in.body, 0x0C);
+ io->smb2.in.unknown3[2] = IVAL(req->in.body, 0x10);
+ io->smb2.in.unknown3[3] = IVAL(req->in.body, 0x14);
+ io->smb2.in.access_mask = IVAL(req->in.body, 0x18);
+ io->smb2.in.file_attr = IVAL(req->in.body, 0x1C);
+ io->smb2.in.share_access = IVAL(req->in.body, 0x20);
+ io->smb2.in.open_disposition = IVAL(req->in.body, 0x24);
+ io->smb2.in.create_options = IVAL(req->in.body, 0x28);
+ SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x2C, &io->smb2.in.fname));
+ SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x30, &blob));
+ /* TODO: parse the blob */
+ ZERO_STRUCT(io->smb2.in.eas);
+
+ SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io));
}
void smb2srv_close_recv(struct smb2srv_request *req)
diff --git a/source4/smb_server/smb2/smb2_server.h b/source4/smb_server/smb2/smb2_server.h
index 86b4f146be..6eea4e7e05 100644
--- a/source4/smb_server/smb2/smb2_server.h
+++ b/source4/smb_server/smb2/smb2_server.h
@@ -60,3 +60,100 @@ struct smb2srv_request {
struct smbsrv_request;
#include "smb_server/smb2/smb2_proto.h"
+
+/* useful way of catching wct errors with file and line number */
+#define SMB2SRV_CHECK_BODY_SIZE(req, size, dynamic) do { \
+ size_t is_size = req->in.body_size; \
+ uint16_t field_size = SVAL(req->in.body, 0); \
+ uint16_t want_size = ((dynamic)?(size)+1:(size)); \
+ if (is_size < (size)) { \
+ DEBUG(0,("%s: buffer too small 0x%x. Expected 0x%x\n", \
+ __location__, is_size, want_size)); \
+ smb2srv_send_error(req, NT_STATUS_FOOBAR); \
+ }\
+ if (field_size != want_size) { \
+ DEBUG(0,("%s: unexpected fixed body size 0x%x. Expected 0x%x\n", \
+ __location__, field_size, want_size)); \
+ smb2srv_send_error(req, NT_STATUS_FOOBAR); \
+ } \
+} while (0)
+
+#define SMB2SRV_CHECK(cmd) do {\
+ NTSTATUS _status; \
+ _status = cmd; \
+ if (!NT_STATUS_IS_OK(_status)) { \
+ smb2srv_send_error(req, _status); \
+ return; \
+ } \
+} while (0)
+
+/* useful wrapper for talloc with NO_MEMORY reply */
+#define SMB2SRV_TALLOC_IO_PTR(ptr, type) do { \
+ ptr = talloc(req, type); \
+ if (!ptr) { \
+ smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
+ return; \
+ } \
+ req->io_ptr = ptr; \
+} while (0)
+
+#define SMB2SRV_SETUP_NTVFS_REQUEST(send_fn, state) do { \
+ req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req, \
+ req->session->session_info,\
+ 0, \
+ 0, \
+ req->request_time, \
+ req, send_fn, state); \
+ if (!req->ntvfs) { \
+ smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
+ return; \
+ } \
+ if (!talloc_reference(req->ntvfs, req)) { \
+ smb2srv_send_error(req, NT_STATUS_NO_MEMORY); \
+ return; \
+ } \
+ req->ntvfs->frontend_data.private_data = req; \
+} while (0)
+
+#define SMB2SRV_CHECK_FILE_HANDLE(handle) do { \
+ if (!handle) { \
+ smb2srv_send_error(req, NT_STATUS_INVALID_HANDLE); \
+ return; \
+ } \
+} while (0)
+
+/*
+ check if the backend wants to handle the request asynchronously.
+ if it wants it handled synchronously then call the send function
+ immediately
+*/
+#define SMB2SRV_CALL_NTVFS_BACKEND(cmd) do { \
+ req->ntvfs->async_states->status = cmd; \
+ if (!(req->ntvfs->async_states->state & NTVFS_ASYNC_STATE_ASYNC)) { \
+ req->ntvfs->async_states->send_fn(req->ntvfs); \
+ } \
+} while (0)
+
+/* check req->ntvfs->async_states->status and if not OK then send an error reply */
+#define SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE do { \
+ req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
+ if (NT_STATUS_IS_ERR(ntvfs->async_states->status)) { \
+ smb2srv_send_error(req, ntvfs->async_states->status); \
+ return; \
+ } \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS_ERR(ptr, type) do { \
+ SMB2SRV_CHECK_ASYNC_STATUS_ERR_SIMPLE; \
+ ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE do { \
+ req = talloc_get_type(ntvfs->async_states->private_data, struct smb2srv_request); \
+ if (!NT_STATUS_IS_OK(ntvfs->async_states->status)) { \
+ smb2srv_send_error(req, ntvfs->async_states->status); \
+ return; \
+ } \
+} while (0)
+#define SMB2SRV_CHECK_ASYNC_STATUS(ptr, type) do { \
+ SMB2SRV_CHECK_ASYNC_STATUS_SIMPLE; \
+ ptr = talloc_get_type(req->io_ptr, type); \
+} while (0)