FAKE_FILE_HANDLE *fake_file_handle;
struct notify_change_buf *notify;
+
+ struct files_struct *base_fsp; /* placeholder for delete on close */
} files_struct;
#include "ntquotas.h"
#define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x01000000
#define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x02000000
+/* Private options for streams support */
+#define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x04000000
+
/* Responses when opening a file. */
#define FILE_WAS_SUPERSEDED 0
#define FILE_WAS_OPENED 1
}
}
+/****************************************************************************
+ Delete all streams
+****************************************************************************/
+
+static NTSTATUS delete_all_streams(connection_struct *conn, const char *fname)
+{
+ struct stream_struct *stream_info;
+ 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, ("delete_all_streams found %d streams\n",
+ num_streams));
+
+ if (num_streams == 0) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_OK;
+ }
+
+ for (i=0; i<num_streams; i++) {
+ int res;
+ char *streamname;
+
+ if (strequal(stream_info[i].name, "::$DATA")) {
+ 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;
+ }
+
+ res = SMB_VFS_UNLINK(conn, streamname);
+
+ TALLOC_FREE(streamname);
+
+ if (res == -1) {
+ status = map_nt_error_from_unix(errno);
+ DEBUG(10, ("Could not delete stream %s: %s\n",
+ streamname, strerror(errno)));
+ break;
+ }
+ }
+
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
+
/****************************************************************************
Deal with removing a share mode on last close.
****************************************************************************/
goto done;
}
+ if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
+ && !is_ntfs_stream_name(fsp->fsp_name)) {
+
+ status = delete_all_streams(conn, fsp->fsp_name);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(5, ("delete_all_streams failed: %s\n",
+ nt_errstr(status)));
+ goto done;
+ }
+ }
+
+
if (SMB_VFS_UNLINK(conn,fsp->fsp_name) != 0) {
/*
* This call can potentially fail as another smbd may
NTSTATUS close_file(files_struct *fsp, enum file_close_type close_type)
{
+ NTSTATUS status;
+ struct files_struct *base_fsp = fsp->base_fsp;
+
if(fsp->is_directory) {
- return close_directory(fsp, close_type);
+ status = close_directory(fsp, close_type);
} else if (fsp->is_stat) {
- return close_stat(fsp);
+ status = close_stat(fsp);
} else if (fsp->fake_file_handle != NULL) {
- return close_fake_file(fsp);
+ status = close_fake_file(fsp);
+ } else {
+ status = close_normal_file(fsp, close_type);
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- return close_normal_file(fsp, close_type);
+
+ if ((base_fsp != NULL) && (close_type != SHUTDOWN_CLOSE)) {
+
+ /*
+ * fsp was a stream, the base fsp can't be a stream as well
+ *
+ * For SHUTDOWN_CLOSE this is not possible here, because
+ * SHUTDOWN_CLOSE only happens from files.c which walks the
+ * complete list of files. If we mess with more than one fsp
+ * those loops will become confused.
+ */
+
+ SMB_ASSERT(base_fsp->base_fsp == NULL);
+ close_file(base_fsp, close_type);
+ }
+
+ return status;
}
static bool scan_directory(connection_struct *conn, const char *path,
char *name, char **found_name);
+static NTSTATUS build_stream_path(TALLOC_CTX *mem_ctx,
+ connection_struct *conn,
+ const char *orig_path,
+ const char *basepath,
+ const char *streamname,
+ SMB_STRUCT_STAT *pst,
+ char **path);
/****************************************************************************
Mangle the 2nd name and check if it is then equal to the first name.
char *start, *end;
char *dirpath = NULL;
char *name = NULL;
+ char *stream = NULL;
bool component_was_mangled = False;
bool name_has_wildcard = False;
NTSTATUS result;
return NT_STATUS_NO_MEMORY;
}
+ stream = strchr_m(name, ':');
+
+ if (stream != NULL) {
+ char *tmp = talloc_strdup(ctx, stream);
+ if (tmp == NULL) {
+ TALLOC_FREE(name);
+ return NT_STATUS_NO_MEMORY;
+ }
+ *stream = '\0';
+ stream = tmp;
+ }
+
/*
* Large directory fix normalization. If we're case sensitive, and
* the case preserving parameters are set to "no", normalize the case of
DEBUG(5,("conversion finished %s -> %s\n",orig_path, name));
done:
+ if (stream != NULL) {
+ char *tmp = NULL;
+
+ result = build_stream_path(ctx, conn, orig_path, name, stream,
+ pst, &tmp);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto fail;
+ }
+
+ DEBUG(10, ("build_stream_path returned %s\n", tmp));
+
+ TALLOC_FREE(name);
+ name = tmp;
+ }
*pp_conv_path = name;
TALLOC_FREE(dirpath);
return NT_STATUS_OK;
errno = ENOENT;
return False;
}
+
+static NTSTATUS build_stream_path(TALLOC_CTX *mem_ctx,
+ connection_struct *conn,
+ const char *orig_path,
+ const char *basepath,
+ const char *streamname,
+ SMB_STRUCT_STAT *pst,
+ char **path)
+{
+ SMB_STRUCT_STAT st;
+ char *result = NULL;
+ NTSTATUS status;
+ unsigned int i, num_streams;
+ struct stream_struct *streams = NULL;
+
+ result = talloc_asprintf(mem_ctx, "%s%s", basepath, streamname);
+ if (result == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (SMB_VFS_STAT(conn, result, &st) == 0) {
+ *pst = st;
+ *path = result;
+ return NT_STATUS_OK;
+ }
+
+ if (errno != ENOENT) {
+ status = map_nt_error_from_unix(errno);
+ DEBUG(10, ("vfs_stat failed: %s\n", nt_errstr(status)));
+ goto fail;
+ }
+
+ status = SMB_VFS_STREAMINFO(conn, NULL, basepath, mem_ctx,
+ &num_streams, &streams);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ SET_STAT_INVALID(*pst);
+ *path = result;
+ return NT_STATUS_OK;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("vfs_streaminfo failed: %s\n", nt_errstr(status)));
+ goto fail;
+ }
+
+ for (i=0; i<num_streams; i++) {
+ DEBUG(10, ("comparing [%s] and [%s]: ",
+ streamname, streams[i].name));
+ if (fname_equal(streamname, streams[i].name,
+ conn->case_sensitive)) {
+ DEBUGADD(10, ("equal\n"));
+ break;
+ }
+ DEBUGADD(10, ("not equal\n"));
+ }
+
+ if (i == num_streams) {
+ SET_STAT_INVALID(*pst);
+ *path = result;
+ TALLOC_FREE(streams);
+ return NT_STATUS_OK;
+ }
+
+ TALLOC_FREE(result);
+
+ result = talloc_asprintf(mem_ctx, "%s%s", basepath, streams[i].name);
+ if (result == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ SET_STAT_INVALID(*pst);
+
+ if (SMB_VFS_STAT(conn, result, pst) == 0) {
+ stat_cache_add(orig_path, result, conn->case_sensitive);
+ }
+
+ *path = result;
+ TALLOC_FREE(streams);
+ return NT_STATUS_OK;
+
+ fail:
+ TALLOC_FREE(result);
+ TALLOC_FREE(streams);
+ return status;
+}
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)) {
return result;
}
+/*
+ * 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
*/
{
SMB_STRUCT_STAT sbuf;
int info = FILE_WAS_OPENED;
+ files_struct *base_fsp = NULL;
files_struct *fsp = NULL;
NTSTATUS status;
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
}
#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;
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;
close_file(fsp, ERROR_CLOSE);
fsp = NULL;
}
+ if (base_fsp != NULL) {
+ close_file(base_fsp, ERROR_CLOSE);
+ base_fsp = NULL;
+ }
return status;
}
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
}
*d = '\0';
+
+ if (NT_STATUS_IS_OK(ret) && !posix_path) {
+ ret = split_ntfs_stream_name(NULL, path, NULL, NULL);
+ }
return ret;
}
/* On open checks the open itself will check the share mode, so
don't do it here as we'll get it wrong. */
- status = open_file_ntcreate(conn, req, fname, &sbuf,
- DELETE_ACCESS,
- FILE_SHARE_NONE,
- FILE_OPEN,
- 0,
- FILE_ATTRIBUTE_NORMAL,
- req != NULL ? 0 : INTERNAL_OPEN_ONLY,
- NULL, &fsp);
+ status = create_file_unixpath
+ (conn, /* conn */
+ req, /* req */
+ fname, /* fname */
+ DELETE_ACCESS, /* access_mask */
+ FILE_SHARE_NONE, /* share_access */
+ FILE_OPEN, /* create_disposition*/
+ FILE_NON_DIRECTORY_FILE, /* create_options */
+ FILE_ATTRIBUTE_NORMAL, /* file_attributes */
+ 0, /* oplock_request */
+ 0, /* allocation_size */
+ NULL, /* sd */
+ NULL, /* ea_list */
+ &fsp, /* result */
+ NULL, /* pinfo */
+ &sbuf); /* psbuf */
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("open_file_ntcreate failed: %s\n",
git.samba.org / jra / samba / .git / commitdiff