summaryrefslogtreecommitdiff
path: root/source3/smbd/open.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/smbd/open.c')
-rw-r--r--source3/smbd/open.c214
1 files changed, 202 insertions, 12 deletions
diff --git a/source3/smbd/open.c b/source3/smbd/open.c
index 9d48bcc98b..0d6e07a032 100644
--- a/source3/smbd/open.c
+++ b/source3/smbd/open.c
@@ -1842,7 +1842,9 @@ NTSTATUS open_file_ntcreate(connection_struct *conn,
set_share_mode(lck, fsp, current_user.ut.uid, 0, fsp->oplock_type, new_file_created);
/* Handle strange delete on close create semantics. */
- if ((create_options & FILE_DELETE_ON_CLOSE) && can_set_initial_delete_on_close(lck)) {
+ if ((create_options & FILE_DELETE_ON_CLOSE)
+ && (is_ntfs_stream_name(fname)
+ || can_set_initial_delete_on_close(lck))) {
status = can_set_delete_on_close(fsp, True, new_dos_attributes);
if (!NT_STATUS_IS_OK(status)) {
@@ -2444,6 +2446,115 @@ static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx
}
/*
+ * If a main file is opened for delete, all streams need to be checked for
+ * !FILE_SHARE_DELETE. Do this by opening with DELETE_ACCESS.
+ * If that works, delete them all by setting the delete on close and close.
+ */
+
+static NTSTATUS open_streams_for_delete(connection_struct *conn,
+ const char *fname)
+{
+ struct stream_struct *stream_info;
+ files_struct **streams;
+ int i;
+ unsigned int num_streams;
+ TALLOC_CTX *frame = talloc_stackframe();
+ NTSTATUS status;
+
+ status = SMB_VFS_STREAMINFO(conn, NULL, fname, talloc_tos(),
+ &num_streams, &stream_info);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
+ DEBUG(10, ("no streams around\n"));
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("SMB_VFS_STREAMINFO failed: %s\n",
+ nt_errstr(status)));
+ goto fail;
+ }
+
+ DEBUG(10, ("open_streams_for_delete found %d streams\n",
+ num_streams));
+
+ if (num_streams == 0) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ streams = TALLOC_ARRAY(talloc_tos(), files_struct *, num_streams);
+ if (streams == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ for (i=0; i<num_streams; i++) {
+ char *streamname;
+
+ if (strequal(stream_info[i].name, "::$DATA")) {
+ streams[i] = NULL;
+ continue;
+ }
+
+ streamname = talloc_asprintf(talloc_tos(), "%s%s", fname,
+ stream_info[i].name);
+
+ if (streamname == NULL) {
+ DEBUG(0, ("talloc_aprintf failed\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ status = create_file_unixpath
+ (conn, /* conn */
+ NULL, /* req */
+ streamname, /* fname */
+ DELETE_ACCESS, /* access_mask */
+ FILE_SHARE_READ | FILE_SHARE_WRITE
+ | FILE_SHARE_DELETE, /* share_access */
+ FILE_OPEN, /* create_disposition*/
+ NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE, /* create_options */
+ FILE_ATTRIBUTE_NORMAL, /* file_attributes */
+ 0, /* oplock_request */
+ 0, /* allocation_size */
+ NULL, /* sd */
+ NULL, /* ea_list */
+ &streams[i], /* result */
+ NULL, /* pinfo */
+ NULL); /* psbuf */
+
+ TALLOC_FREE(streamname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("Could not open stream %s: %s\n",
+ streamname, nt_errstr(status)));
+ break;
+ }
+ }
+
+ /*
+ * don't touch the variable "status" beyond this point :-)
+ */
+
+ for (i -= 1 ; i >= 0; i--) {
+ if (streams[i] == NULL) {
+ continue;
+ }
+
+ DEBUG(10, ("Closing stream # %d, %s\n", i,
+ streams[i]->fsp_name));
+ close_file(streams[i], NORMAL_CLOSE);
+ }
+
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/*
* Wrapper around open_file_ntcreate and open_directory
*/
@@ -2466,6 +2577,7 @@ NTSTATUS create_file_unixpath(connection_struct *conn,
{
SMB_STRUCT_STAT sbuf;
int info = FILE_WAS_OPENED;
+ files_struct *base_fsp = NULL;
files_struct *fsp = NULL;
NTSTATUS status;
@@ -2495,7 +2607,23 @@ NTSTATUS create_file_unixpath(connection_struct *conn,
sbuf = *psbuf;
}
else {
- SET_STAT_INVALID(sbuf);
+ if (SMB_VFS_STAT(conn, fname, &sbuf) == -1) {
+ SET_STAT_INVALID(sbuf);
+ }
+ }
+
+ if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
+ && (access_mask & DELETE_ACCESS)
+ && !is_ntfs_stream_name(fname)) {
+ /*
+ * We can't open a file with DELETE access if any of the
+ * streams is open without FILE_SHARE_DELETE
+ */
+ status = open_streams_for_delete(conn, fname);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
}
/* This is the correct thing to do (check every time) but can_delete
@@ -2528,12 +2656,61 @@ NTSTATUS create_file_unixpath(connection_struct *conn,
}
#endif
+ if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
+ && is_ntfs_stream_name(fname)
+ && (!(create_options & NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE))) {
+ char *base;
+ uint32 base_create_disposition;
+
+ if (create_options & FILE_DIRECTORY_FILE) {
+ status = NT_STATUS_NOT_A_DIRECTORY;
+ goto fail;
+ }
+
+ status = split_ntfs_stream_name(talloc_tos(), fname,
+ &base, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("split_ntfs_stream_name failed: %s\n",
+ nt_errstr(status)));
+ goto fail;
+ }
+
+ SMB_ASSERT(!is_ntfs_stream_name(base)); /* paranoia.. */
+
+ switch (create_disposition) {
+ case FILE_OPEN:
+ base_create_disposition = FILE_OPEN;
+ break;
+ default:
+ base_create_disposition = FILE_OPEN_IF;
+ break;
+ }
+
+ status = create_file_unixpath(conn, NULL, base, 0,
+ FILE_SHARE_READ
+ | FILE_SHARE_WRITE
+ | FILE_SHARE_DELETE,
+ base_create_disposition,
+ 0, 0, 0, 0, NULL, NULL,
+ &base_fsp, NULL, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("create_file_unixpath for base %s failed: "
+ "%s\n", base, nt_errstr(status)));
+ goto fail;
+ }
+ }
+
/*
* If it's a request for a directory open, deal with it separately.
*/
if (create_options & FILE_DIRECTORY_FILE) {
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
/* Can't open a temp directory. IFS kit test. */
if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
status = NT_STATUS_INVALID_PARAMETER;
@@ -2664,6 +2841,16 @@ NTSTATUS create_file_unixpath(connection_struct *conn,
DEBUG(10, ("create_file: info=%d\n", info));
+ /*
+ * Set fsp->base_fsp late enough that we can't "goto fail" anymore. In
+ * the fail: branch we call close_file(fsp, ERROR_CLOSE) which would
+ * also close fsp->base_fsp which we have to also do explicitly in
+ * this routine here, as not in all "goto fail:" we have the fsp set
+ * up already to be initialized with the base_fsp.
+ */
+
+ fsp->base_fsp = base_fsp;
+
*result = fsp;
if (pinfo != NULL) {
*pinfo = info;
@@ -2685,6 +2872,10 @@ NTSTATUS create_file_unixpath(connection_struct *conn,
close_file(fsp, ERROR_CLOSE);
fsp = NULL;
}
+ if (base_fsp != NULL) {
+ close_file(base_fsp, ERROR_CLOSE);
+ base_fsp = NULL;
+ }
return status;
}
@@ -2812,19 +3003,18 @@ NTSTATUS create_file(connection_struct *conn,
status = NT_STATUS_NO_MEMORY;
goto fail;
}
- } else {
- /*
- * Check to see if this is a mac fork of some kind.
- */
+ }
+
+ /*
+ * 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;
+ if (is_ntfs_stream_name(fname)) {
+ enum FAKE_FILE_TYPE fake_file_type;
- fake_file_type = is_fake_file(fname);
+ fake_file_type = is_fake_file(fname);
- if (fake_file_type == FAKE_FILE_TYPE_NONE) {
- return NT_STATUS_OBJECT_PATH_NOT_FOUND;
- }
+ if (fake_file_type != FAKE_FILE_TYPE_NONE) {
/*
* Here we go! support for changing the disk quotas