diff options
Diffstat (limited to 'fs/cifs/misc.c')
| -rw-r--r-- | fs/cifs/misc.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index ca27a82c54cd..94baf6c8ecbd 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -397,12 +397,12 @@ checkSMBhdr(struct smb_hdr *smb, __u16 mid) if(smb->Command == SMB_COM_LOCKING_ANDX) return 0; else - cERROR(1, ("Rcvd Request not response ")); + cERROR(1, ("Rcvd Request not response")); } } else { /* bad signature or mid */ if (*(__le32 *) smb->Protocol != cpu_to_le32(0x424d53ff)) cERROR(1, - ("Bad protocol string signature header %x ", + ("Bad protocol string signature header %x", *(unsigned int *) smb->Protocol)); if (mid != smb->Mid) cERROR(1, ("Mids do not match")); @@ -417,7 +417,7 @@ checkSMB(struct smb_hdr *smb, __u16 mid, int length) __u32 len = smb->smb_buf_length; __u32 clc_len; /* calculated length */ cFYI(0, - ("Entering checkSMB with Length: %x, smb_buf_length: %x ", + ("Entering checkSMB with Length: %x, smb_buf_length: %x", length, len)); if (((unsigned int)length < 2 + sizeof (struct smb_hdr)) || (len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4)) { @@ -451,9 +451,16 @@ checkSMB(struct smb_hdr *smb, __u16 mid, int length) cERROR(1, ("bad smb size detected for Mid=%d", smb->Mid)); /* Windows XP can return a few bytes too much, presumably an illegal pad, at the end of byte range lock responses - so we allow for up to eight byte pad, as long as actual + so we allow for that three byte pad, as long as actual received length is as long or longer than calculated length */ - if((4+len > clc_len) && (len <= clc_len + 3)) + /* We have now had to extend this more, since there is a + case in which it needs to be bigger still to handle a + malformed response to transact2 findfirst from WinXP when + access denied is returned and thus bcc and wct are zero + but server says length is 0x21 bytes too long as if the server + forget to reset the smb rfc1001 length when it reset the + wct and bcc to minimum size and drop the t2 parms and data */ + if((4+len > clc_len) && (len <= clc_len + 512)) return 0; else return 1; |