Author: metze Date: 2006-07-09 09:56:13 +0000 (Sun, 09 Jul 2006) New Revision: 16890
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=16890 Log: implement DCERPC over SMB2 in the IPC backend metze Modified: branches/SAMBA_4_0/source/ntvfs/ipc/vfs_ipc.c Changeset: Modified: branches/SAMBA_4_0/source/ntvfs/ipc/vfs_ipc.c =================================================================== --- branches/SAMBA_4_0/source/ntvfs/ipc/vfs_ipc.c 2006-07-09 09:50:41 UTC (rev 16889) +++ branches/SAMBA_4_0/source/ntvfs/ipc/vfs_ipc.c 2006-07-09 09:56:13 UTC (rev 16890) @@ -31,6 +31,7 @@ #include "libcli/rap/rap.h" #include "ntvfs/ipc/proto.h" #include "rpc_server/dcerpc_server.h" +#include "libcli/raw/ioctl.h" /* this is the private structure used to keep the state of an open ipc$ connection. It needs to keep information about all open @@ -132,17 +133,7 @@ return NT_STATUS_ACCESS_DENIED; } - /* - ioctl interface - we don't do any -*/ -static NTSTATUS ipc_ioctl(struct ntvfs_module_context *ntvfs, - struct ntvfs_request *req, union smb_ioctl *io) -{ - return NT_STATUS_ACCESS_DENIED; -} - -/* check if a directory exists */ static NTSTATUS ipc_chkpath(struct ntvfs_module_context *ntvfs, @@ -311,6 +302,34 @@ } /* + open a file with SMB2 Create - used for MSRPC pipes +*/ +static NTSTATUS ipc_open_smb2(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, union smb_open *oi) +{ + struct pipe_state *p; + NTSTATUS status; + + status = ipc_open_generic(ntvfs, req, oi->smb2.in.fname, &p); + NT_STATUS_NOT_OK_RETURN(status); + + oi->smb2.out.file.ntvfs = p->handle; + oi->smb2.out.oplock_flags = oi->smb2.in.oplock_flags; + oi->smb2.out.create_action = NTCREATEX_ACTION_EXISTED; + oi->smb2.out.create_time = 0; + oi->smb2.out.access_time = 0; + oi->smb2.out.write_time = 0; + oi->smb2.out.change_time = 0; + oi->smb2.out.alloc_size = 4096; + oi->smb2.out.size = 0; + oi->smb2.out.file_attr = FILE_ATTRIBUTE_NORMAL; + oi->smb2.out._pad = 0; + oi->smb2.out.blob = data_blob(NULL, 0); + + return status; +} + +/* open a file - used for MSRPC pipes */ static NTSTATUS ipc_open(struct ntvfs_module_context *ntvfs, @@ -325,6 +344,9 @@ case RAW_OPEN_OPENX: status = ipc_open_openx(ntvfs, req, oi); break; + case RAW_OPEN_SMB2: + status = ipc_open_smb2(ntvfs, req, oi); + break; default: status = NT_STATUS_NOT_SUPPORTED; break; @@ -764,9 +786,72 @@ return status; } +static NTSTATUS ipc_ioctl_smb2(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, union smb_ioctl *io) +{ + struct pipe_state *p; + struct ipc_private *private = ntvfs->private_data; + NTSTATUS status; + switch (io->smb2.in.function) { + case FSCTL_NAMED_PIPE_READ_WRITE: + break; + default: + return NT_STATUS_FS_DRIVER_REQUIRED; + } + + p = pipe_state_find(private, io->smb2.in.file.ntvfs); + if (!p) { + return NT_STATUS_INVALID_HANDLE; + } + + io->smb2.out.out = data_blob_talloc(req, NULL, io->smb2.in.max_response_size); + NT_STATUS_HAVE_NO_MEMORY(io->smb2.out.out.data); + + /* pass the data to the dcerpc server. Note that we don't + expect this to fail, and things like NDR faults are not + reported at this stage. Those sorts of errors happen in the + dcesrv_output stage */ + status = dcesrv_input(p->dce_conn, &io->smb2.in.out); + NT_STATUS_NOT_OK_RETURN(status); + + /* + now ask the dcerpc system for some output. This doesn't yet handle + async calls. Again, we only expect NT_STATUS_OK. If the call fails then + the error is encoded at the dcerpc level + */ + status = dcesrv_output(p->dce_conn, &io->smb2.out.out, ipc_trans_dcesrv_output); + NT_STATUS_IS_ERR_RETURN(status); + + io->smb2.out._pad = 0; + io->smb2.out.function = io->smb2.in.function; + io->smb2.out.unknown2 = 0; + io->smb2.out.unknown3 = 0; + io->smb2.out.in = io->smb2.in.out; + + return status; +} + /* + ioctl interface +*/ +static NTSTATUS ipc_ioctl(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, union smb_ioctl *io) +{ + switch (io->generic.level) { + case RAW_IOCTL_SMB2: + return ipc_ioctl_smb2(ntvfs, req, io); + + default: + return NT_STATUS_ACCESS_DENIED; + } + + return NT_STATUS_ACCESS_DENIED; +} + + +/* initialialise the IPC backend, registering ourselves with the ntvfs subsystem */ NTSTATUS ntvfs_ipc_init(void)
