diff options
| -rw-r--r-- | source3/smbd/reply.c | 51 |
1 files changed, 37 insertions, 14 deletions
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index fbb981781f..60b1d13417 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -542,23 +542,46 @@ int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size ****************************************************************************/ int reply_dskattr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize) { - int outsize = 0; - SMB_BIG_UINT dfree,dsize,bsize; - START_PROFILE(SMBdskattr); - - conn->vfs_ops.disk_free(conn,".",True,&bsize,&dfree,&dsize); - - outsize = set_message(outbuf,5,0,True); + int outsize = 0; + SMB_BIG_UINT dfree,dsize,bsize; + START_PROFILE(SMBdskattr); + + conn->vfs_ops.disk_free(conn,".",True,&bsize,&dfree,&dsize); - SSVAL(outbuf,smb_vwv0,dsize); - SSVAL(outbuf,smb_vwv1,bsize/512); - SSVAL(outbuf,smb_vwv2,512); - SSVAL(outbuf,smb_vwv3,dfree); + outsize = set_message(outbuf,5,0,True); + + if (Protocol <= PROTOCOL_LANMAN2) { + double total_space, free_space; + /* we need to scale this to a number that DOS6 can handle. We + use floating point so we can handle large drives on systems + that don't have 64 bit integers - DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree)); + we end up displaying a maximum of 2G to DOS systems + */ + total_space = dsize * (double)bsize; + free_space = dfree * (double)bsize; - END_PROFILE(SMBdskattr); - return(outsize); + dsize = (total_space+63*512) / (64*512); + dfree = (free_space+63*512) / (64*512); + + if (dsize > 0xFFFF) dsize = 0xFFFF; + if (dfree > 0xFFFF) dfree = 0xFFFF; + + SSVAL(outbuf,smb_vwv0,dsize); + SSVAL(outbuf,smb_vwv1,64); /* this must be 64 for dos systems */ + SSVAL(outbuf,smb_vwv2,512); /* and this must be 512 */ + SSVAL(outbuf,smb_vwv3,dfree); + } else { + SSVAL(outbuf,smb_vwv0,dsize); + SSVAL(outbuf,smb_vwv1,bsize/512); + SSVAL(outbuf,smb_vwv2,512); + SSVAL(outbuf,smb_vwv3,dfree); + } + + DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree)); + + END_PROFILE(SMBdskattr); + return(outsize); } |