capability for large UNIX write if not signing and
recvfile set. Cope with large UNIX write length on
incoming processing. Stevef - we can now test 1-16Mb
writes from CIFFS.
Jeremy.
(This used to be commit
8cf78776b0a44bd026cef3d74eb11cfb415f8303)
#if defined(HAVE_SPLICE_SYSCALL)
-#ifdef JRA_SPLICE_TEST
-#include <linux/unistd.h>
-#include <sys/syscall.h>
-
-#define __NR_splice 313
-_syscall6( long, splice,
- int, fromfd,
- loff_t *, fromoffset,
- int, tofd,
- loff_t *, tooffset,
- size_t, count,
- unsigned int, flags);
-#endif
-
/*
* Try and use the Linux system call to do this.
* Remember we only return -1 if the socket read
0);
if (ret == -1) {
if (errno != EINTR) {
+ if (total_written == 0 &&
+ errno == EBADF || errno == EINVAL) {
+ return default_sys_recvfile(fromfd,
+ tofd,
+ offset,
+ count);
+ }
break;
}
continue;
{
/* Size of a WRITEX call (+4 byte len). */
char writeX_header[4 + STANDARD_WRITE_AND_X_HEADER_SIZE];
- ssize_t len = smb_len(lenbuf);
+ ssize_t len = smb_len_large(lenbuf); /* Could be a UNIX large writeX. */
ssize_t toread;
ssize_t ret;
*/
case SMB_QUERY_CIFS_UNIX_INFO:
+ {
+ bool large_write = lp_min_receive_file_size() &&
+ !srv_is_signing_active();
+
if (!lp_unix_extensions()) {
reply_nterror(req, NT_STATUS_INVALID_LEVEL);
return;
CIFS_UNIX_FCNTL_LOCKS_CAP|
CIFS_UNIX_EXTATTR_CAP|
CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
- CIFS_UNIX_LARGE_READ_CAP)));
+ CIFS_UNIX_LARGE_READ_CAP|
+ large_write ?
+ CIFS_UNIX_LARGE_WRITE_CAP : 0)));
break;
+ }
case SMB_QUERY_POSIX_FS_INFO:
{
if (req && req->unread_bytes) {
SMB_ASSERT(req->unread_bytes == N);
- ret = SMB_VFS_RECVFILE(smbd_server_fd(),
+ /* VFS_RECVFILE must drain the socket
+ * before returning. */
+ req->unread_bytes = 0;
+ return SMB_VFS_RECVFILE(smbd_server_fd(),
fsp,
fsp->fh->fd,
(SMB_OFF_T)-1,
N);
- if (ret != -1) {
- req->unread_bytes = 0;
- }
- return ret;
}
while (total < N) {
if (req && req->unread_bytes) {
SMB_ASSERT(req->unread_bytes == N);
- ret = SMB_VFS_RECVFILE(smbd_server_fd(),
+ /* VFS_RECVFILE must drain the socket
+ * before returning. */
+ req->unread_bytes = 0;
+ return SMB_VFS_RECVFILE(smbd_server_fd(),
fsp,
fsp->fh->fd,
offset,
N);
- if (ret != -1) {
- req->unread_bytes = 0;
- }
- return ret;
}
while (total < N) {