return (strchr_m(fname, ':') != NULL) ? True : False;
}
-struct case_semantics_state {
- connection_struct *conn;
- bool case_sensitive;
- bool case_preserve;
- bool short_case_preserve;
-};
-
-/****************************************************************************
- Restore case semantics.
-****************************************************************************/
-static int restore_case_semantics(struct case_semantics_state *state)
-{
- state->conn->case_sensitive = state->case_sensitive;
- state->conn->case_preserve = state->case_preserve;
- state->conn->short_case_preserve = state->short_case_preserve;
- return 0;
-}
-
-/****************************************************************************
- Save case semantics.
-****************************************************************************/
-static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
- connection_struct *conn)
-{
- struct case_semantics_state *result;
-
- if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
- DEBUG(0, ("talloc failed\n"));
- return NULL;
- }
-
- result->conn = conn;
- result->case_sensitive = conn->case_sensitive;
- result->case_preserve = conn->case_preserve;
- result->short_case_preserve = conn->short_case_preserve;
-
- /* Set to POSIX. */
- conn->case_sensitive = True;
- conn->case_preserve = True;
- conn->short_case_preserve = True;
-
- talloc_set_destructor(result, restore_case_semantics);
-
- return result;
-}
-
/****************************************************************************
Reply to an NT create and X call on a pipe
****************************************************************************/
chain_reply(req);
}
-static NTSTATUS create_file(connection_struct *conn,
- struct smb_request *req,
- uint16_t root_dir_fid,
- char *fname,
- uint32_t flags,
- uint32_t access_mask,
- uint32_t file_attributes,
- uint32_t share_access,
- uint32_t create_disposition,
- uint32_t create_options,
- int oplock_request,
- SMB_BIG_UINT allocation_size,
- struct security_descriptor *sd,
- struct ea_list *ea_list,
-
- files_struct **result,
- int *pinfo,
- uint8_t *poplock_granted,
- SMB_STRUCT_STAT *psbuf)
-{
- TALLOC_CTX *frame = talloc_stackframe();
- struct case_semantics_state *case_state = NULL;
- SMB_STRUCT_STAT sbuf;
- int info = FILE_WAS_OPENED;
- files_struct *fsp = NULL;
- uint8_t oplock_granted = NO_OPLOCK_RETURN;
- NTSTATUS status;
-
- DEBUG(10,("create_file: flags = 0x%x, access_mask = 0x%x "
- "file_attributes = 0x%x, share_access = 0x%x, "
- "create_disposition = 0x%x create_options = 0x%x "
- "root_dir_fid = 0x%x, ea_list = 0x%x, sd = 0x%x, "
- "fname = %s\n",
- (unsigned int)flags,
- (unsigned int)access_mask,
- (unsigned int)file_attributes,
- (unsigned int)share_access,
- (unsigned int)create_disposition,
- (unsigned int)create_options,
- (unsigned int)root_dir_fid,
- (unsigned int)ea_list,
- (unsigned int)sd,
- fname));
-
- SET_STAT_INVALID(sbuf);
-
- if (create_options & FILE_OPEN_BY_FILE_ID) {
- status = NT_STATUS_NOT_SUPPORTED;
- goto fail;
- }
-
- /*
- * Get the file name.
- */
-
- if (root_dir_fid != 0) {
- /*
- * This filename is relative to a directory fid.
- */
- char *parent_fname = NULL;
- files_struct *dir_fsp = file_fsp(root_dir_fid);
-
- if (dir_fsp == NULL) {
- status = NT_STATUS_INVALID_HANDLE;
- goto fail;
- }
-
- if (!dir_fsp->is_directory) {
-
- /*
- * Check to see if this is a mac fork of some kind.
- */
-
- if (is_ntfs_stream_name(fname)) {
- status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
- goto fail;
- }
-
- /*
- we need to handle the case when we get a
- relative open relative to a file and the
- pathname is blank - this is a reopen!
- (hint from demyn plantenberg)
- */
-
- status = NT_STATUS_INVALID_HANDLE;
- goto fail;
- }
-
- if (ISDOT(dir_fsp->fsp_name)) {
- /*
- * We're at the toplevel dir, the final file name
- * must not contain ./, as this is filtered out
- * normally by srvstr_get_path and unix_convert
- * explicitly rejects paths containing ./.
- */
- parent_fname = talloc_strdup(talloc_tos(), "");
- if (parent_fname == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- } else {
- size_t dir_name_len = strlen(dir_fsp->fsp_name);
-
- /*
- * Copy in the base directory name.
- */
-
- parent_fname = TALLOC_ARRAY(talloc_tos(), char,
- dir_name_len+2);
- if (parent_fname == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- memcpy(parent_fname, dir_fsp->fsp_name,
- dir_name_len+1);
-
- /*
- * Ensure it ends in a '/'.
- * We used TALLOC_SIZE +2 to add space for the '/'.
- */
-
- if(dir_name_len
- && (parent_fname[dir_name_len-1] != '\\')
- && (parent_fname[dir_name_len-1] != '/')) {
- parent_fname[dir_name_len] = '/';
- parent_fname[dir_name_len+1] = '\0';
- }
- }
-
- fname = talloc_asprintf(talloc_tos(), "%s%s", parent_fname,
- fname);
- if (fname == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto fail;
- }
- } else {
- /*
- * Check to see if this is a mac fork of some kind.
- */
-
- if (is_ntfs_stream_name(fname)) {
- enum FAKE_FILE_TYPE fake_file_type;
-
- fake_file_type = is_fake_file(fname);
-
- if (fake_file_type == FAKE_FILE_TYPE_NONE) {
- return NT_STATUS_OBJECT_PATH_NOT_FOUND;
- }
-
- /*
- * Here we go! support for changing the disk quotas
- * --metze
- *
- * We need to fake up to open this MAGIC QUOTA file
- * and return a valid FID.
- *
- * w2k close this file directly after openening xp
- * also tries a QUERY_FILE_INFO on the file and then
- * close it
- */
- status = open_fake_file(conn, fake_file_type, fname,
- access_mask, &fsp);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- goto done;
- }
- }
-
- oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
- if (oplock_request) {
- oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
- ? BATCH_OPLOCK : 0;
- }
-
- status = resolve_dfspath(
- talloc_tos(), conn, req->flags2 & FLAGS2_DFS_PATHNAMES,
- fname, &fname);
-
- if (!NT_STATUS_IS_OK(status)) {
- /*
- * For PATH_NOT_COVERED we had
- * reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
- * ERRSRV, ERRbadpath);
- * Need to fix in callers
- */
- goto fail;
- }
-
- /*
- * Ordinary file or directory.
- */
-
- /*
- * Check if POSIX semantics are wanted.
- */
-
- if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
- case_state = set_posix_case_semantics(talloc_tos(), conn);
- file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
- }
-
- status = unix_convert(talloc_tos(), conn, fname, False, &fname, NULL,
- &sbuf);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- /* All file access must go through check_name() */
-
- status = check_name(conn, fname);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- /* This is the correct thing to do (check every time) but can_delete
- * is expensive (it may have to read the parent directory
- * permissions). So for now we're not doing it unless we have a strong
- * hint the client is really going to delete this file. If the client
- * is forcing FILE_CREATE let the filesystem take care of the
- * permissions. */
-
- /* Setting FILE_SHARE_DELETE is the hint. */
-
- if (lp_acl_check_permissions(SNUM(conn))
- && (create_disposition != FILE_CREATE)
- && (share_access & FILE_SHARE_DELETE)
- && (access_mask & DELETE_ACCESS)
- && (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
- && !lp_delete_readonly(SNUM(conn)))
- || !can_delete_file_in_directory(conn, fname))) {
- status = NT_STATUS_ACCESS_DENIED;
- goto fail;
- }
-
-#if 0
- /* We need to support SeSecurityPrivilege for this. */
- if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
- !user_has_privileges(current_user.nt_user_token,
- &se_security)) {
- status = NT_STATUS_PRIVILEGE_NOT_HELD;
- goto fail;
- }
-#endif
-
- /*
- * If it's a request for a directory open, deal with it separately.
- */
-
- if (create_options & FILE_DIRECTORY_FILE) {
-
- /* Can't open a temp directory. IFS kit test. */
- if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto fail;
- }
-
- /*
- * We will get a create directory here if the Win32
- * app specified a security descriptor in the
- * CreateDirectory() call.
- */
-
- oplock_request = 0;
- status = open_directory(
- conn, req, fname, &sbuf, access_mask, share_access,
- create_disposition, create_options, file_attributes,
- &info, &fsp);
- } else {
-
- /*
- * Ordinary file case.
- */
-
- status = open_file_ntcreate(
- conn, req, fname, &sbuf, access_mask, share_access,
- create_disposition, create_options, file_attributes,
- oplock_request, &info, &fsp);
-
- if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
-
- /*
- * Fail the open if it was explicitly a non-directory
- * file.
- */
-
- if (create_options & FILE_NON_DIRECTORY_FILE) {
- status = NT_STATUS_FILE_IS_A_DIRECTORY;
- goto fail;
- }
-
- oplock_request = 0;
- status = open_directory(
- conn, req, fname, &sbuf, access_mask,
- share_access, create_disposition,
- create_options, file_attributes,
- &info, &fsp);
- }
- }
-
- TALLOC_FREE(case_state);
-
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
-
- /*
- * According to the MS documentation, the only time the security
- * descriptor is applied to the opened file is iff we *created* the
- * file; an existing file stays the same.
- *
- * Also, it seems (from observation) that you can open the file with
- * any access mask but you can still write the sd. We need to override
- * the granted access before we call set_sd
- * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
- */
-
- if ((sd != NULL) && (info == FILE_WAS_CREATED)
- && lp_nt_acl_support(SNUM(conn))) {
-
- uint32_t sec_info_sent = ALL_SECURITY_INFORMATION;
- uint32_t saved_access_mask = fsp->access_mask;
-
- if (sd->owner_sid==0) {
- sec_info_sent &= ~OWNER_SECURITY_INFORMATION;
- }
- if (sd->group_sid==0) {
- sec_info_sent &= ~GROUP_SECURITY_INFORMATION;
- }
- if (sd->sacl==0) {
- sec_info_sent &= ~SACL_SECURITY_INFORMATION;
- }
- if (sd->dacl==0) {
- sec_info_sent &= ~DACL_SECURITY_INFORMATION;
- }
-
- fsp->access_mask = FILE_GENERIC_ALL;
-
- status = SMB_VFS_FSET_NT_ACL(
- fsp, fsp->fh->fd, sec_info_sent, sd);
-
- fsp->access_mask = saved_access_mask;
-
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
- }
-
- if ((ea_list != NULL) && (info == FILE_WAS_CREATED)) {
- status = set_ea(conn, fsp, fname, ea_list);
- if (!NT_STATUS_IS_OK(status)) {
- goto fail;
- }
- }
-
- if (!fsp->is_directory && S_ISDIR(sbuf.st_mode)) {
- status = NT_STATUS_ACCESS_DENIED;
- goto fail;
- }
-
- /* Save the requested allocation size. */
- if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
- if (allocation_size
- && (allocation_size > sbuf.st_size)) {
- fsp->initial_allocation_size = smb_roundup(
- fsp->conn, allocation_size);
- if (fsp->is_directory) {
- /* Can't set allocation size on a directory. */
- status = NT_STATUS_ACCESS_DENIED;
- goto fail;
- }
- if (vfs_allocate_file_space(
- fsp, fsp->initial_allocation_size) == -1) {
- status = NT_STATUS_DISK_FULL;
- goto fail;
- }
- } else {
- fsp->initial_allocation_size = smb_roundup(
- fsp->conn, (SMB_BIG_UINT)sbuf.st_size);
- }
- }
-
- /*
- * If the caller set the extended oplock request bit
- * and we granted one (by whatever means) - set the
- * correct bit for extended oplock reply.
- */
-
- if (oplock_request &&
- (lp_fake_oplocks(SNUM(conn))
- || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
-
- /*
- * Exclusive oplock granted
- */
-
- if (flags & REQUEST_BATCH_OPLOCK) {
- oplock_granted = BATCH_OPLOCK_RETURN;
- } else {
- oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
- }
- } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
- oplock_granted = LEVEL_II_OPLOCK_RETURN;
- } else {
- oplock_granted = NO_OPLOCK_RETURN;
- }
-
- done:
- DEBUG(10, ("create_file: info=%d, oplock_granted=%d\n",
- info, (int)oplock_granted));
-
- *result = fsp;
- *pinfo = info;
- *poplock_granted = oplock_granted;
- *psbuf = sbuf;
- TALLOC_FREE(frame);
- return NT_STATUS_OK;
-
- fail:
- DEBUG(10, ("create_file: %s\n", nt_errstr(status)));
-
- if (fsp != NULL) {
- close_file(fsp, ERROR_CLOSE);
- fsp = NULL;
- }
- TALLOC_FREE(frame);
- return status;
-}
-
/****************************************************************************
Reply to an NT create and X call.
****************************************************************************/
}
}
}
+
+struct case_semantics_state {
+ connection_struct *conn;
+ bool case_sensitive;
+ bool case_preserve;
+ bool short_case_preserve;
+};
+
+/****************************************************************************
+ Restore case semantics.
+****************************************************************************/
+static int restore_case_semantics(struct case_semantics_state *state)
+{
+ state->conn->case_sensitive = state->case_sensitive;
+ state->conn->case_preserve = state->case_preserve;
+ state->conn->short_case_preserve = state->short_case_preserve;
+ return 0;
+}
+
+/****************************************************************************
+ Save case semantics.
+****************************************************************************/
+static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
+ connection_struct *conn)
+{
+ struct case_semantics_state *result;
+
+ if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
+ DEBUG(0, ("talloc failed\n"));
+ return NULL;
+ }
+
+ result->conn = conn;
+ result->case_sensitive = conn->case_sensitive;
+ result->case_preserve = conn->case_preserve;
+ result->short_case_preserve = conn->short_case_preserve;
+
+ /* Set to POSIX. */
+ conn->case_sensitive = True;
+ conn->case_preserve = True;
+ conn->short_case_preserve = True;
+
+ talloc_set_destructor(result, restore_case_semantics);
+
+ return result;
+}
+
+/*
+ * Wrapper around open_file_ntcreate and open_directory
+ */
+
+NTSTATUS create_file(connection_struct *conn,
+ struct smb_request *req,
+ uint16_t root_dir_fid,
+ char *fname,
+ uint32_t flags,
+ uint32_t access_mask,
+ uint32_t file_attributes,
+ uint32_t share_access,
+ uint32_t create_disposition,
+ uint32_t create_options,
+ int oplock_request,
+ SMB_BIG_UINT allocation_size,
+ struct security_descriptor *sd,
+ struct ea_list *ea_list,
+
+ files_struct **result,
+ int *pinfo,
+ uint8_t *poplock_granted,
+ SMB_STRUCT_STAT *psbuf)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct case_semantics_state *case_state = NULL;
+ SMB_STRUCT_STAT sbuf;
+ int info = FILE_WAS_OPENED;
+ files_struct *fsp = NULL;
+ uint8_t oplock_granted = NO_OPLOCK_RETURN;
+ NTSTATUS status;
+
+ DEBUG(10,("create_file: flags = 0x%x, access_mask = 0x%x "
+ "file_attributes = 0x%x, share_access = 0x%x, "
+ "create_disposition = 0x%x create_options = 0x%x "
+ "root_dir_fid = 0x%x, ea_list = 0x%p, sd = 0x%p, "
+ "fname = %s\n",
+ (unsigned int)flags,
+ (unsigned int)access_mask,
+ (unsigned int)file_attributes,
+ (unsigned int)share_access,
+ (unsigned int)create_disposition,
+ (unsigned int)create_options,
+ (unsigned int)root_dir_fid,
+ ea_list, sd, fname));
+
+ SET_STAT_INVALID(sbuf);
+
+ if (create_options & FILE_OPEN_BY_FILE_ID) {
+ status = NT_STATUS_NOT_SUPPORTED;
+ goto fail;
+ }
+
+ /*
+ * Get the file name.
+ */
+
+ if (root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+ char *parent_fname = NULL;
+ files_struct *dir_fsp = file_fsp(root_dir_fid);
+
+ if (dir_fsp == NULL) {
+ status = NT_STATUS_INVALID_HANDLE;
+ goto fail;
+ }
+
+ if (!dir_fsp->is_directory) {
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if (is_ntfs_stream_name(fname)) {
+ status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ goto fail;
+ }
+
+ /*
+ we need to handle the case when we get a
+ relative open relative to a file and the
+ pathname is blank - this is a reopen!
+ (hint from demyn plantenberg)
+ */
+
+ status = NT_STATUS_INVALID_HANDLE;
+ goto fail;
+ }
+
+ if (ISDOT(dir_fsp->fsp_name)) {
+ /*
+ * We're at the toplevel dir, the final file name
+ * must not contain ./, as this is filtered out
+ * normally by srvstr_get_path and unix_convert
+ * explicitly rejects paths containing ./.
+ */
+ parent_fname = talloc_strdup(talloc_tos(), "");
+ if (parent_fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ } else {
+ size_t dir_name_len = strlen(dir_fsp->fsp_name);
+
+ /*
+ * Copy in the base directory name.
+ */
+
+ parent_fname = TALLOC_ARRAY(talloc_tos(), char,
+ dir_name_len+2);
+ if (parent_fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ memcpy(parent_fname, dir_fsp->fsp_name,
+ dir_name_len+1);
+
+ /*
+ * Ensure it ends in a '/'.
+ * We used TALLOC_SIZE +2 to add space for the '/'.
+ */
+
+ if(dir_name_len
+ && (parent_fname[dir_name_len-1] != '\\')
+ && (parent_fname[dir_name_len-1] != '/')) {
+ parent_fname[dir_name_len] = '/';
+ parent_fname[dir_name_len+1] = '\0';
+ }
+ }
+
+ fname = talloc_asprintf(talloc_tos(), "%s%s", parent_fname,
+ fname);
+ if (fname == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ } else {
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if (is_ntfs_stream_name(fname)) {
+ enum FAKE_FILE_TYPE fake_file_type;
+
+ fake_file_type = is_fake_file(fname);
+
+ if (fake_file_type == FAKE_FILE_TYPE_NONE) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ /*
+ * Here we go! support for changing the disk quotas
+ * --metze
+ *
+ * We need to fake up to open this MAGIC QUOTA file
+ * and return a valid FID.
+ *
+ * w2k close this file directly after openening xp
+ * also tries a QUERY_FILE_INFO on the file and then
+ * close it
+ */
+ status = open_fake_file(conn, fake_file_type, fname,
+ access_mask, &fsp);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ goto done;
+ }
+ }
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ if (oplock_request) {
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
+ ? BATCH_OPLOCK : 0;
+ }
+
+ status = resolve_dfspath(
+ talloc_tos(), conn, req->flags2 & FLAGS2_DFS_PATHNAMES,
+ fname, &fname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ /*
+ * For PATH_NOT_COVERED we had
+ * reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
+ * ERRSRV, ERRbadpath);
+ * Need to fix in callers
+ */
+ goto fail;
+ }
+
+ /*
+ * Check if POSIX semantics are wanted.
+ */
+
+ if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
+ case_state = set_posix_case_semantics(talloc_tos(), conn);
+ file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
+ }
+
+ status = unix_convert(talloc_tos(), conn, fname, False, &fname, NULL,
+ &sbuf);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ /* All file access must go through check_name() */
+
+ status = check_name(conn, fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ /* This is the correct thing to do (check every time) but can_delete
+ * is expensive (it may have to read the parent directory
+ * permissions). So for now we're not doing it unless we have a strong
+ * hint the client is really going to delete this file. If the client
+ * is forcing FILE_CREATE let the filesystem take care of the
+ * permissions. */
+
+ /* Setting FILE_SHARE_DELETE is the hint. */
+
+ if (lp_acl_check_permissions(SNUM(conn))
+ && (create_disposition != FILE_CREATE)
+ && (share_access & FILE_SHARE_DELETE)
+ && (access_mask & DELETE_ACCESS)
+ && (((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY)
+ && !lp_delete_readonly(SNUM(conn)))
+ || !can_delete_file_in_directory(conn, fname))) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+
+#if 0
+ /* We need to support SeSecurityPrivilege for this. */
+ if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY) &&
+ !user_has_privileges(current_user.nt_user_token,
+ &se_security)) {
+ status = NT_STATUS_PRIVILEGE_NOT_HELD;
+ goto fail;
+ }
+#endif
+
+ /*
+ * If it's a request for a directory open, deal with it separately.
+ */
+
+ if (create_options & FILE_DIRECTORY_FILE) {
+
+ /* Can't open a temp directory. IFS kit test. */
+ if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ /*
+ * We will get a create directory here if the Win32
+ * app specified a security descriptor in the
+ * CreateDirectory() call.
+ */
+
+ oplock_request = 0;
+ status = open_directory(
+ conn, req, fname, &sbuf, access_mask, share_access,
+ create_disposition, create_options, file_attributes,
+ &info, &fsp);
+ } else {
+
+ /*
+ * Ordinary file case.
+ */
+
+ status = open_file_ntcreate(
+ conn, req, fname, &sbuf, access_mask, share_access,
+ create_disposition, create_options, file_attributes,
+ oplock_request, &info, &fsp);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory
+ * file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ status = NT_STATUS_FILE_IS_A_DIRECTORY;
+ goto fail;
+ }
+
+ oplock_request = 0;
+ status = open_directory(
+ conn, req, fname, &sbuf, access_mask,
+ share_access, create_disposition,
+ create_options, file_attributes,
+ &info, &fsp);
+ }
+ }
+
+ TALLOC_FREE(case_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ /*
+ * According to the MS documentation, the only time the security
+ * descriptor is applied to the opened file is iff we *created* the
+ * file; an existing file stays the same.
+ *
+ * Also, it seems (from observation) that you can open the file with
+ * any access mask but you can still write the sd. We need to override
+ * the granted access before we call set_sd
+ * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
+ */
+
+ if ((sd != NULL) && (info == FILE_WAS_CREATED)
+ && lp_nt_acl_support(SNUM(conn))) {
+
+ uint32_t sec_info_sent = ALL_SECURITY_INFORMATION;
+ uint32_t saved_access_mask = fsp->access_mask;
+
+ if (sd->owner_sid==0) {
+ sec_info_sent &= ~OWNER_SECURITY_INFORMATION;
+ }
+ if (sd->group_sid==0) {
+ sec_info_sent &= ~GROUP_SECURITY_INFORMATION;
+ }
+ if (sd->sacl==0) {
+ sec_info_sent &= ~SACL_SECURITY_INFORMATION;
+ }
+ if (sd->dacl==0) {
+ sec_info_sent &= ~DACL_SECURITY_INFORMATION;
+ }
+
+ fsp->access_mask = FILE_GENERIC_ALL;
+
+ status = SMB_VFS_FSET_NT_ACL(
+ fsp, fsp->fh->fd, sec_info_sent, sd);
+
+ fsp->access_mask = saved_access_mask;
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ }
+
+ if ((ea_list != NULL) && (info == FILE_WAS_CREATED)) {
+ status = set_ea(conn, fsp, fname, ea_list);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+ }
+
+ if (!fsp->is_directory && S_ISDIR(sbuf.st_mode)) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+
+ /* Save the requested allocation size. */
+ if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
+ if (allocation_size
+ && (allocation_size > sbuf.st_size)) {
+ fsp->initial_allocation_size = smb_roundup(
+ fsp->conn, allocation_size);
+ if (fsp->is_directory) {
+ /* Can't set allocation size on a directory. */
+ status = NT_STATUS_ACCESS_DENIED;
+ goto fail;
+ }
+ if (vfs_allocate_file_space(
+ fsp, fsp->initial_allocation_size) == -1) {
+ status = NT_STATUS_DISK_FULL;
+ goto fail;
+ }
+ } else {
+ fsp->initial_allocation_size = smb_roundup(
+ fsp->conn, (SMB_BIG_UINT)sbuf.st_size);
+ }
+ }
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
+
+ if (oplock_request &&
+ (lp_fake_oplocks(SNUM(conn))
+ || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
+
+ /*
+ * Exclusive oplock granted
+ */
+
+ if (flags & REQUEST_BATCH_OPLOCK) {
+ oplock_granted = BATCH_OPLOCK_RETURN;
+ } else {
+ oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
+ }
+ } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
+ oplock_granted = LEVEL_II_OPLOCK_RETURN;
+ } else {
+ oplock_granted = NO_OPLOCK_RETURN;
+ }
+
+ done:
+ DEBUG(10, ("create_file: info=%d, oplock_granted=%d\n",
+ info, (int)oplock_granted));
+
+ *result = fsp;
+ *pinfo = info;
+ *poplock_granted = oplock_granted;
+ *psbuf = sbuf;
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+
+ fail:
+ DEBUG(10, ("create_file: %s\n", nt_errstr(status)));
+
+ if (fsp != NULL) {
+ close_file(fsp, ERROR_CLOSE);
+ fsp = NULL;
+ }
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / samba.git / commitdiff