diff options
| -rw-r--r-- | source/smbd/reply.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/source/smbd/reply.c b/source/smbd/reply.c index 49982badedd..c6ebd70c423 100644 --- a/source/smbd/reply.c +++ b/source/smbd/reply.c @@ -2053,8 +2053,15 @@ int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length outsize = set_message(outbuf,5,3,True); numtoread = MIN(BUFFER_SIZE-outsize,numtoread); data = smb_buf(outbuf) + 3; - - if(!do_lock( fsp, conn, numtoread, startpos, F_RDLCK, &eclass, &ecode)) { + + /* + * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+ + * protocol request that predates the read/write lock concept. + * Thus instead of asking for a read lock here we need to ask + * for a write lock. JRA. + */ + + if(!do_lock( fsp, conn, numtoread, startpos, F_WRLCK, &eclass, &ecode)) { if((ecode == ERRlock) && lp_blocking_locks(SNUM(conn))) { /* * A blocking lock was requested. Package up |