Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include "include/includes.h"
+#include "includes.h"
#include "vfs_posix.h"
+#include "librpc/gen_ndr/ndr_security.h"
/*
read from a file
*/
NTSTATUS pvfs_read(struct ntvfs_module_context *ntvfs,
- struct smbsrv_request *req, union smb_read *rd)
+ struct ntvfs_request *req, union smb_read *rd)
{
struct pvfs_state *pvfs = ntvfs->private_data;
ssize_t ret;
struct pvfs_file *f;
NTSTATUS status;
+ uint32_t maxcnt;
+ uint32_t mask;
if (rd->generic.level != RAW_READ_READX) {
- return ntvfs_map_read(req, rd, ntvfs);
+ return ntvfs_map_read(ntvfs, req, rd);
}
- f = pvfs_find_fd(pvfs, req, rd->readx.in.fnum);
+ f = pvfs_find_fd(pvfs, req, rd->readx.file.fnum);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
- if (f->name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
+ if (f->handle->fd == -1) {
return NT_STATUS_FILE_IS_A_DIRECTORY;
}
+ mask = SEC_FILE_READ_DATA;
+ if (req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) {
+ mask |= SEC_FILE_EXECUTE;
+ }
+ if (!(f->access_mask & mask)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ maxcnt = rd->readx.in.maxcnt;
+ if (maxcnt > UINT16_MAX) {
+ maxcnt = 0;
+ }
+
status = pvfs_check_lock(pvfs, f, req->smbpid,
rd->readx.in.offset,
- rd->readx.in.maxcnt,
+ maxcnt,
READ_LOCK);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
- ret = pread(f->fd,
- rd->readx.out.data,
- rd->readx.in.maxcnt,
- rd->readx.in.offset);
+ if (f->handle->name->stream_name) {
+ ret = pvfs_stream_read(pvfs, f->handle,
+ rd->readx.out.data, maxcnt, rd->readx.in.offset);
+ } else {
+ ret = pread(f->handle->fd,
+ rd->readx.out.data,
+ maxcnt,
+ rd->readx.in.offset);
+ }
if (ret == -1) {
return pvfs_map_errno(pvfs, errno);
}
+ f->handle->position = f->handle->seek_offset = rd->readx.in.offset + ret;
+
rd->readx.out.nread = ret;
- rd->readx.out.remaining = 0; /* should fill this in? */
+ rd->readx.out.remaining = 0xFFFF;
rd->readx.out.compaction_mode = 0;
return NT_STATUS_OK;