CIFS Command Codes
CIFS uses the following commands in the packet header.
| CIFS command | Code |
|---|---|
| SMB_COM_CREATE_DIRECTORY | 0x00 |
| SMB_COM_DELETE_DIRECTORY | 0x01 |
| SMB_COM_OPEN | 0x02 |
| SMB_COM_CREATE | 0x03 |
| SMB_COM_CLOSE | 0x04 |
| SMB_COM_FLUSH | 0x05 |
| SMB_COM_DELETE | 0x06 |
| SMB_COM_RENAME | 0x07 |
| SMB_COM_QUERY_INFORMATION | 0x08 |
| SMB_COM_SET_INFORMATION | 0x09 |
| SMB_COM_READ | 0x0A |
| SMB_COM_WRITE | 0x0B |
| SMB_COM_LOCK_BYTE_RANGE | 0x0C |
| SMB_COM_UNLOCK_BYTE_RANGE | 0x0D |
| SMB_COM_CREATE_TEMPORARY | 0x0E |
| SMB_COM_CREATE_NEW | 0x0F |
| SMB_COM_CHECK_DIRECTORY | 0x10 |
| SMB_COM_PROCESS_EXIT | 0x11 |
| SMB_COM_SEEK | 0x12 |
| SMB_COM_LOCK_AND_READ | 0x13 |
| SMB_COM_WRITE_AND_UNLOCK | 0x14 |
| SMB_COM_READ_RAW | 0x1A |
| SMB_COM_READ_MPX | 0x1B |
| SMB_COM_READ_MPX_SECONDARY | 0x1C |
| SMB_COM_WRITE_RAW | 0x1D |
| SMB_COM_WRITE_MPX | 0x1E |
| SMB_COM_WRITE_COMPLETE | 0x20 |
| SMB_COM_SET_INFORMATION2 | 0x22 |
| SMB_COM_QUERY_INFORMATION2 | 0x23 |
| SMB_COM_LOCKING_ANDX | 0x24 |
| SMB_COM_TRANSACTION | 0x25 |
| SMB_COM_TRANSACTION_SECONDARY | 0x26 |
| SMB_COM_IOCTL | 0x27 |
| SMB_COM_IOCTL_SECONDARY | 0x28 |
| SMB_COM_COPY | 0x29 |
| SMB_COM_MOVE | 0x2A |
| SMB_COM_ECHO | 0x2B |
| SMB_COM_WRITE_AND_CLOSE | 0x2C |
| SMB_COM_OPEN_ANDX | 0x2D |
| SMB_COM_READ_ANDX | 0x2E |
| SMB_COM_WRITE_ANDX | 0x2F |
| SMB_COM_CLOSE_AND_TREE_DISC | 0x31 |
| SMB_COM_TRANSACTION2 | 0x32 |
| SMB_COM_TRANSACTION2_SECONDARY | 0x33 |
| SMB_COM_FIND_CLOSE2 | 0x34 |
| SMB_COM_FIND_NOTIFY_CLOSE | 0x35 |
| SMB_COM_TREE_CONNECT | 0x70 |
| SMB_COM_TREE_DISCONNECT | 0x71 |
| SMB_COM_NEGOTIATE | 0x72 |
| SMB_COM_SESSION_SETUP_ANDX | 0x73 |
| SMB_COM_LOGOFF_ANDX | 0x74 |
| SMB_COM_TREE_CONNECT_ANDX | 0x75 |
| SMB_COM_QUERY_INFORMATION_DISK | 0x80 |
| SMB_COM_SEARCH | 0x81 |
| SMB_COM_FIND | 0x82 |
| SMB_COM_FIND_UNIQUE | 0x83 |
| SMB_COM_NT_TRANSACT | 0xA0 |
| SMB_COM_NT_TRANSACT_SECONDARY | 0xA1 |
| SMB_COM_NT_CREATE_ANDX | 0xA2 |
| SMB_COM_NT_CANCEL | 0xA4 |
| SMB_COM_NT_RENAME | 0xA5 |
| SMB_COM_OPEN_PRINT_FILE | 0xC0 |
| SMB_COM_WRITE_PRINT_FILE | 0xC1 |
| SMB_COM_CLOSE_PRINT_FILE | 0xC2 |
| SMB_COM_GET_PRINT_QUEUE | 0xC3 |
The following subcommands are used with the SMB_COM_TRANSACTION2 command.
| Subcommand/code | Description |
|---|---|
| TRANS2_OPEN2 0x00 |
Create file with extended attributes. |
| TRANS2_FIND_FIRST2 0x01 |
Begin search for files. |
| TRANS2_FIND_NEXT2 0x02 |
Resume search for files. |
| TRANS2_QUERY_FS_INFORMATION 0x03 |
Get file system information. |
| 0x04 | Reserved. |
| TRANS2_QUERY_PATH_INFORMATION 0x05 |
Get information about a named file or directory. |
| TRANS2_SET_PATH_INFORMATION 0x06 |
Set information about a named file or directory. |
| TRANS2_QUERY_FILE_INFORMATION 0x07 |
Get information about a handle. |
| TRANS2_SET_FILE_INFORMATION 0x08 |
Set information by handle. |
| TRANS2_FSCTL 0x09 |
Not implemented by Windows NT server. |
| TRANS2_IOCTL2 0x0A |
Not implemented by Windows NT server |
| TRANS2_FIND_NOTIFY_FIRST 0x0B |
Not implemented by Windows NT server |
| TRANS2_FIND_NOTIFY_NEXT 0x0C |
Not implemented by Windows NT server |
| TRANS2_CREATE_DIRECTORY 0x0D |
Create directory with extended attributes. |
| TRANS2_SESSION_SETUP 0x0E |
Session setup with extended security information. |
| TRANS2_GET_DFS_REFERRAL 0x10 |
Get a DFS referral. |
| TRANS2_REPORT_DFS_INCONSISTENCY 0x11 |
Report a DFS knowledge inconsistency. |