vfs: Implement a sys_acl_blob_get_{fd,file} for POSIX ACL backends
[kai/samba.git] / source3 / smbd / smb2_close.c
index a600498b2d631372e216203a3213aaeb63d1230f..ee168c546609f19512f5bb868b53156d4f35eb07 100644 (file)
 */
 
 #include "includes.h"
+#include "smbd/smbd.h"
 #include "smbd/globals.h"
-#include "../source4/libcli/smb2/smb2_constants.h"
+#include "../libcli/smb/smb_common.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "lib/tevent_wait.h"
 
-static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req,
-                               uint16_t in_flags,
-                               uint64_t in_file_id_volatile);
+static struct tevent_req *smbd_smb2_close_send(TALLOC_CTX *mem_ctx,
+                                              struct tevent_context *ev,
+                                              struct smbd_smb2_request *smb2req,
+                                              struct files_struct *in_fsp,
+                                              uint16_t in_flags);
+static NTSTATUS smbd_smb2_close_recv(struct tevent_req *req,
+                                    uint16_t *out_flags,
+                                    NTTIME *out_creation_time,
+                                    NTTIME *out_last_access_time,
+                                    NTTIME *out_last_write_time,
+                                    NTTIME *out_change_time,
+                                    uint64_t *out_allocation_size,
+                                    uint64_t *out_end_of_file,
+                                    uint32_t *out_file_attributes);
+
+static void smbd_smb2_request_close_done(struct tevent_req *subreq);
 
 NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req)
 {
-       const uint8_t *inhdr;
        const uint8_t *inbody;
-       int i = req->current_idx;
-       uint8_t *outhdr;
-       DATA_BLOB outbody;
-       size_t expected_body_size = 0x18;
-       size_t body_size;
        uint16_t in_flags;
        uint64_t in_file_id_persistent;
        uint64_t in_file_id_volatile;
+       struct files_struct *in_fsp;
        NTSTATUS status;
+       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);
-       }
-
-       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);
+       status = smbd_smb2_request_verify_sizes(req, 0x18);
+       if (!NT_STATUS_IS_OK(status)) {
+               return smbd_smb2_request_error(req, status);
        }
+       inbody = SMBD_SMB2_IN_BODY_PTR(req);
 
        in_flags                = SVAL(inbody, 0x02);
        in_file_id_persistent   = BVAL(inbody, 0x08);
        in_file_id_volatile     = BVAL(inbody, 0x10);
 
-       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);
        }
 
-       status = smbd_smb2_close(req,
-                               in_flags,
-                               in_file_id_volatile);
-       if (!NT_STATUS_IS_OK(status)) {
-               return smbd_smb2_request_error(req, status);
+       subreq = smbd_smb2_close_send(req, req->sconn->ev_ctx,
+                                     req, in_fsp, in_flags);
+       if (subreq == NULL) {
+               return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
        }
+       tevent_req_set_callback(subreq, smbd_smb2_request_close_done, req);
+
+       return smbd_smb2_request_pending_queue(req, subreq, 500);
+}
+
+static void smbd_smb2_request_close_done(struct tevent_req *subreq)
+{
+       struct smbd_smb2_request *req =
+               tevent_req_callback_data(subreq,
+               struct smbd_smb2_request);
+       DATA_BLOB outbody;
+       uint16_t out_flags;
+       NTTIME out_creation_time;
+       NTTIME out_last_access_time;
+       NTTIME out_last_write_time;
+       NTTIME out_change_time;
+       uint64_t out_allocation_size;
+       uint64_t out_end_of_file;
+       uint32_t out_file_attributes;
+       NTSTATUS status;
+       NTSTATUS error;
 
-       outhdr = (uint8_t *)req->out.vector[i].iov_base;
+       status = smbd_smb2_close_recv(subreq,
+                                     &out_flags,
+                                     &out_creation_time,
+                                     &out_last_access_time,
+                                     &out_last_write_time,
+                                     &out_change_time,
+                                     &out_allocation_size,
+                                     &out_end_of_file,
+                                     &out_file_attributes);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               error = smbd_smb2_request_error(req, status);
+               if (!NT_STATUS_IS_OK(error)) {
+                       smbd_server_connection_terminate(req->sconn,
+                                                        nt_errstr(error));
+                       return;
+               }
+               return;
+       }
 
        outbody = data_blob_talloc(req->out.vector, NULL, 0x3C);
        if (outbody.data == NULL) {
-               return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
+               error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
+               if (!NT_STATUS_IS_OK(error)) {
+                       smbd_server_connection_terminate(req->sconn,
+                                                        nt_errstr(error));
+                       return;
+               }
+               return;
        }
 
        SSVAL(outbody.data, 0x00, 0x3C);        /* struct size */
-       SSVAL(outbody.data, 0x02, 0);           /* flags */
+       SSVAL(outbody.data, 0x02, out_flags);
        SIVAL(outbody.data, 0x04, 0);           /* reserved */
-       SBVAL(outbody.data, 0x08, 0);           /* creation time */
-       SBVAL(outbody.data, 0x10, 0);           /* last access time */
-       SBVAL(outbody.data, 0x18, 0);           /* last write time */
-       SBVAL(outbody.data, 0x20, 0);           /* change time */
-       SBVAL(outbody.data, 0x28, 0);           /* allocation size */
-       SBVAL(outbody.data, 0x30, 0);           /* end of size */
-       SIVAL(outbody.data, 0x38, 0);           /* file attributes */
-
-       return smbd_smb2_request_done(req, outbody, NULL);
+       SBVAL(outbody.data, 0x08, out_creation_time);
+       SBVAL(outbody.data, 0x10, out_last_access_time);
+       SBVAL(outbody.data, 0x18, out_last_write_time);
+       SBVAL(outbody.data, 0x20, out_change_time);
+       SBVAL(outbody.data, 0x28, out_allocation_size);
+       SBVAL(outbody.data, 0x30, out_end_of_file);
+       SIVAL(outbody.data, 0x38, out_file_attributes);
+
+       error = smbd_smb2_request_done(req, outbody, NULL);
+       if (!NT_STATUS_IS_OK(error)) {
+               smbd_server_connection_terminate(req->sconn,
+                                                nt_errstr(error));
+               return;
+       }
 }
 
 static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req,
+                               struct files_struct *fsp,
                                uint16_t in_flags,
-                               uint64_t in_file_id_volatile)
+                               uint16_t *out_flags,
+                               NTTIME *out_creation_time,
+                               NTTIME *out_last_access_time,
+                               NTTIME *out_last_write_time,
+                               NTTIME *out_change_time,
+                               uint64_t *out_allocation_size,
+                               uint64_t *out_end_of_file,
+                               uint32_t *out_file_attributes)
 {
        NTSTATUS status;
        struct smb_request *smbreq;
-       connection_struct *conn = req->tcon->compat_conn;
-       files_struct *fsp;
+       connection_struct *conn = req->tcon->compat;
+       struct smb_filename *smb_fname = NULL;
+       struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
+       uint64_t allocation_size = 0;
+       uint64_t file_size = 0;
+       uint32_t dos_attrs = 0;
+       uint16_t flags = 0;
+       bool posix_open = false;
 
-       DEBUG(10,("smbd_smb2_close: file_id[0x%016llX]\n",
-                 (unsigned long long)in_file_id_volatile));
+       ZERO_STRUCT(create_date_ts);
+       ZERO_STRUCT(adate_ts);
+       ZERO_STRUCT(mdate_ts);
+       ZERO_STRUCT(cdate_ts);
+
+       *out_flags = 0;
+       *out_creation_time = 0;
+       *out_last_access_time = 0;
+       *out_last_write_time = 0;
+       *out_change_time = 0;
+       *out_allocation_size = 0;
+       *out_end_of_file = 0;
+       *out_file_attributes = 0;
+
+       DEBUG(10,("smbd_smb2_close: %s - %s\n",
+                 fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
 
        smbreq = smbd_smb2_fake_smb_request(req);
        if (smbreq == NULL) {
                return NT_STATUS_NO_MEMORY;
        }
 
-       /* If it's an IPC, pass off the pipe handler. */
-       if (IS_IPC(conn)) {
-               return NT_STATUS_NOT_IMPLEMENTED;
+       posix_open = fsp->posix_open;
+       status = copy_smb_filename(talloc_tos(),
+                               fsp->fsp_name,
+                               &smb_fname);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+
+       status = close_file(smbreq, fsp, NORMAL_CLOSE);
+       if (!NT_STATUS_IS_OK(status)) {
+               DEBUG(5,("smbd_smb2_close: close_file[%s]: %s\n",
+                        fsp_str_dbg(fsp), nt_errstr(status)));
+               return status;
+       }
+
+       if (in_flags & SMB2_CLOSE_FLAGS_FULL_INFORMATION) {
+               int ret;
+               if (posix_open) {
+                       ret = SMB_VFS_LSTAT(conn, smb_fname);
+               } else {
+                       ret = SMB_VFS_STAT(conn, smb_fname);
+               }
+               if (ret == 0) {
+                       flags = SMB2_CLOSE_FLAGS_FULL_INFORMATION;
+                       dos_attrs = dos_mode(conn, smb_fname);
+                       mdate_ts = smb_fname->st.st_ex_mtime;
+                       adate_ts = smb_fname->st.st_ex_atime;
+                       create_date_ts = get_create_timespec(conn, NULL, smb_fname);
+                       cdate_ts = get_change_timespec(conn, NULL, smb_fname);
+
+                       if (lp_dos_filetime_resolution(SNUM(conn))) {
+                               dos_filetime_timespec(&create_date_ts);
+                               dos_filetime_timespec(&mdate_ts);
+                               dos_filetime_timespec(&adate_ts);
+                               dos_filetime_timespec(&cdate_ts);
+                       }
+                       if (!(dos_attrs & FILE_ATTRIBUTE_DIRECTORY)) {
+                               file_size = get_file_size_stat(&smb_fname->st);
+                       }
+
+                       allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
+               }
+       }
+
+       *out_flags = flags;
+
+       round_timespec(conn->ts_res, &create_date_ts);
+       unix_timespec_to_nt_time(out_creation_time, create_date_ts);
+
+       round_timespec(conn->ts_res, &adate_ts);
+       unix_timespec_to_nt_time(out_last_access_time, adate_ts);
+
+       round_timespec(conn->ts_res, &mdate_ts);
+       unix_timespec_to_nt_time(out_last_write_time, mdate_ts);
+
+       round_timespec(conn->ts_res, &cdate_ts);
+       unix_timespec_to_nt_time(out_change_time, cdate_ts);
+
+       *out_allocation_size = allocation_size;
+       *out_end_of_file = file_size;
+       *out_file_attributes = dos_attrs;
+
+       return NT_STATUS_OK;
+}
+
+struct smbd_smb2_close_state {
+       struct smbd_smb2_request *smb2req;
+       struct files_struct *in_fsp;
+       uint16_t in_flags;
+       uint16_t out_flags;
+       NTTIME out_creation_time;
+       NTTIME out_last_access_time;
+       NTTIME out_last_write_time;
+       NTTIME out_change_time;
+       uint64_t out_allocation_size;
+       uint64_t out_end_of_file;
+       uint32_t out_file_attributes;
+};
+
+static void smbd_smb2_close_do(struct tevent_req *subreq);
+
+static struct tevent_req *smbd_smb2_close_send(TALLOC_CTX *mem_ctx,
+                                              struct tevent_context *ev,
+                                              struct smbd_smb2_request *smb2req,
+                                              struct files_struct *in_fsp,
+                                              uint16_t in_flags)
+{
+       struct tevent_req *req;
+       struct smbd_smb2_close_state *state;
+       NTSTATUS status;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct smbd_smb2_close_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       state->smb2req = smb2req;
+       state->in_fsp = in_fsp;
+       state->in_flags = in_flags;
+
+       if (in_fsp->num_aio_requests != 0) {
+
+               in_fsp->deferred_close = tevent_wait_send(in_fsp, ev);
+               if (tevent_req_nomem(in_fsp->deferred_close, req)) {
+                       return tevent_req_post(req, ev);
+               }
+               tevent_req_set_callback(in_fsp->deferred_close,
+                                       smbd_smb2_close_do, req);
+               return req;
        }
 
-       fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
-       if (fsp == NULL) {
-               return NT_STATUS_FILE_CLOSED;
+       status = smbd_smb2_close(smb2req,
+                                state->in_fsp,
+                                state->in_flags,
+                                &state->out_flags,
+                                &state->out_creation_time,
+                                &state->out_last_access_time,
+                                &state->out_last_write_time,
+                                &state->out_change_time,
+                                &state->out_allocation_size,
+                                &state->out_end_of_file,
+                                &state->out_file_attributes);
+       if (tevent_req_nterror(req, status)) {
+               return tevent_req_post(req, ev);
        }
-       if (conn != fsp->conn) {
-               return NT_STATUS_FILE_CLOSED;
+
+       tevent_req_done(req);
+       return tevent_req_post(req, ev);
+}
+
+static void smbd_smb2_close_do(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct smbd_smb2_close_state *state = tevent_req_data(
+               req, struct smbd_smb2_close_state);
+       NTSTATUS status;
+       int ret;
+
+       ret = tevent_wait_recv(subreq);
+       TALLOC_FREE(subreq);
+       if (ret != 0) {
+               DEBUG(10, ("tevent_wait_recv returned %s\n",
+                          strerror(ret)));
+               /*
+                * Continue anyway, this should never happen
+                */
        }
-       if (req->session->vuid != fsp->vuid) {
-               return NT_STATUS_FILE_CLOSED;
+
+       status = smbd_smb2_close(state->smb2req,
+                                state->in_fsp,
+                                state->in_flags,
+                                &state->out_flags,
+                                &state->out_creation_time,
+                                &state->out_last_access_time,
+                                &state->out_last_write_time,
+                                &state->out_change_time,
+                                &state->out_allocation_size,
+                                &state->out_end_of_file,
+                                &state->out_file_attributes);
+       if (tevent_req_nterror(req, status)) {
+               return;
        }
+       tevent_req_done(req);
+}
 
-       status = close_file(smbreq, fsp, NORMAL_CLOSE);
-       if (!NT_STATUS_IS_OK(status)) {
-               DEBUG(5,("smbd_smb2_close: close_file[%s]: %s\n",
-                       fsp->fsp_name, nt_errstr(status)));
+static NTSTATUS smbd_smb2_close_recv(struct tevent_req *req,
+                                    uint16_t *out_flags,
+                                    NTTIME *out_creation_time,
+                                    NTTIME *out_last_access_time,
+                                    NTTIME *out_last_write_time,
+                                    NTTIME *out_change_time,
+                                    uint64_t *out_allocation_size,
+                                    uint64_t *out_end_of_file,
+                                    uint32_t *out_file_attributes)
+{
+       struct smbd_smb2_close_state *state =
+               tevent_req_data(req,
+               struct smbd_smb2_close_state);
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               tevent_req_received(req);
                return status;
        }
 
+       *out_flags = state->out_flags;
+       *out_creation_time = state->out_creation_time;
+       *out_last_access_time = state->out_last_access_time;
+       *out_last_write_time = state->out_last_write_time;
+       *out_change_time = state->out_change_time;
+       *out_allocation_size = state->out_allocation_size;
+       *out_end_of_file = state->out_end_of_file;
+       *out_file_attributes = state->out_file_attributes;
+
+       tevent_req_received(req);
        return NT_STATUS_OK;
 }