Add two flags to allow for handling of Extended Signatures (Session Key Protection...

[samba.git] / source3 / smbd / smb2_flush.c

diff --git a/source3/smbd/smb2_flush.c b/source3/smbd/smb2_flush.c
index bfdb2d87384a5712df30984bfba8cc6c97e8ec17..4f314cd0ce2eb676426f1bef1e3725b3e058fc25 100644 (file)
--- a/source3/smbd/smb2_flush.c
+++ b/source3/smbd/smb2_flush.c
@@ -19,62 +19,50 @@
 */
 
 #include "includes.h"
+#include "smbd/smbd.h"
 #include "smbd/globals.h"
 #include "../libcli/smb/smb_common.h"
+#include "../lib/util/tevent_ntstatus.h"
 
 static struct tevent_req *smbd_smb2_flush_send(TALLOC_CTX *mem_ctx,
                                               struct tevent_context *ev,
                                               struct smbd_smb2_request *smb2req,
-                                              uint64_t in_file_id_volatile);
+                                              struct files_struct *fsp);
 static NTSTATUS smbd_smb2_flush_recv(struct tevent_req *req);
 
 static void smbd_smb2_request_flush_done(struct tevent_req *subreq);
 NTSTATUS smbd_smb2_request_process_flush(struct smbd_smb2_request *req)
 {
-       const uint8_t *inhdr;
+       NTSTATUS status;
        const uint8_t *inbody;
        int i = req->current_idx;
-       size_t expected_body_size = 0x18;
-       size_t body_size;
        uint64_t in_file_id_persistent;
        uint64_t in_file_id_volatile;
+       struct files_struct *in_fsp;
        struct tevent_req *subreq;
 
-       inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
-       if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
-               return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
+       status = smbd_smb2_request_verify_sizes(req, 0x18);
+       if (!NT_STATUS_IS_OK(status)) {
+               return smbd_smb2_request_error(req, status);
        }
-
        inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
 
-       body_size = SVAL(inbody, 0x00);
-       if (body_size != expected_body_size) {
-               return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
-       }
-
        in_file_id_persistent   = BVAL(inbody, 0x08);
        in_file_id_volatile     = BVAL(inbody, 0x10);
 
-       if (req->compat_chain_fsp) {
-               /* skip check */
-       } else if (in_file_id_persistent != 0) {
+       in_fsp = file_fsp_smb2(req, in_file_id_persistent, in_file_id_volatile);
+       if (in_fsp == NULL) {
                return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
        }
 
-       subreq = smbd_smb2_flush_send(req,
-                                     req->sconn->smb2.event_ctx,
-                                     req,
-                                     in_file_id_volatile);
+       subreq = smbd_smb2_flush_send(req, req->sconn->ev_ctx,
+                                     req, in_fsp);
        if (subreq == NULL) {
                return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
        }
        tevent_req_set_callback(subreq, smbd_smb2_request_flush_done, req);
 
-       if (tevent_req_is_in_progress(subreq)) {
-               return smbd_smb2_request_pending_queue(req);
-       }
-
-       return NT_STATUS_OK;
+       return smbd_smb2_request_pending_queue(req, subreq, 500);
 }
 
 static void smbd_smb2_request_flush_done(struct tevent_req *subreq)
@@ -97,7 +85,7 @@ static void smbd_smb2_request_flush_done(struct tevent_req *subreq)
                return;
        }
 
-       outbody = data_blob_talloc(req->out.vector, NULL, 0x10);
+       outbody = data_blob_talloc(req->out.vector, NULL, 0x04);
        if (outbody.data == NULL) {
                error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
                if (!NT_STATUS_IS_OK(error)) {
@@ -126,13 +114,12 @@ struct smbd_smb2_flush_state {
 static struct tevent_req *smbd_smb2_flush_send(TALLOC_CTX *mem_ctx,
                                               struct tevent_context *ev,
                                               struct smbd_smb2_request *smb2req,
-                                              uint64_t in_file_id_volatile)
+                                              struct files_struct *fsp)
 {
        struct tevent_req *req;
        struct smbd_smb2_flush_state *state;
        NTSTATUS status;
        struct smb_request *smbreq;
-       files_struct *fsp;
 
        req = tevent_req_create(mem_ctx, &state,
                                struct smbd_smb2_flush_state);
@@ -141,8 +128,8 @@ static struct tevent_req *smbd_smb2_flush_send(TALLOC_CTX *mem_ctx,
        }
        state->smb2req = smb2req;
 
-       DEBUG(10,("smbd_smb2_flush: file_id[0x%016llX]\n",
-                 (unsigned long long)in_file_id_volatile));
+       DEBUG(10,("smbd_smb2_flush: %s - %s\n",
+                 fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
 
        smbreq = smbd_smb2_fake_smb_request(smb2req);
        if (tevent_req_nomem(smbreq, req)) {
@@ -154,20 +141,6 @@ static struct tevent_req *smbd_smb2_flush_send(TALLOC_CTX *mem_ctx,
                return tevent_req_post(req, ev);
        }
 
-       fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
-       if (fsp == NULL) {
-               tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
-               return tevent_req_post(req, ev);
-       }
-       if (smbreq->conn != fsp->conn) {
-               tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
-               return tevent_req_post(req, ev);
-       }
-       if (smb2req->session->vuid != fsp->vuid) {
-               tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
-               return tevent_req_post(req, ev);
-       }
-
        if (!CHECK_WRITE(fsp)) {
                tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
                return tevent_req_post(req, ev);