/****************************************************************************
reply to a read and X
This code is basically stolen from reply_read_and_X with some
wrinkles to handle pipes.
****************************************************************************/
int reply_pipe_read_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2);
int smb_maxcnt = SVAL(inbuf,smb_vwv5);
int smb_mincnt = SVAL(inbuf,smb_vwv6);
int nread = -1;
char *data;
/* we don't use the offset given to use for pipe reads. This
is deliberate, instead we always return the next lump of
data on the pipe */
#if 0
uint32 smb_offs = IVAL(inbuf,smb_vwv3);
#endif
if (!p)
return(ERROR(ERRDOS,ERRbadfid));
set_message(outbuf,12,0,True);
data = smb_buf(outbuf);
nread = (int)read_from_pipe(p, data, (size_t)smb_maxcnt);
if (nread < 0)
return(UNIXERROR(ERRDOS,ERRnoaccess));
SSVAL(outbuf,smb_vwv5,nread);
SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
SSVAL(smb_buf(outbuf),-2,nread);
DEBUG(3,("readX-IPC pnum=%04x min=%d max=%d nread=%d\n",
p->pnum, smb_mincnt, smb_maxcnt, nread));
return chain_reply(inbuf,outbuf,length,bufsize);
}
/****************************************************************************
reply to a write on a pipe
****************************************************************************/
int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize, int threadid)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0, threadid);
uint32 numtowrite = SVAL(inbuf,smb_vwv1);
int nwritten;
int outsize;
char *data;
if (!p)
return(ERROR(ERRDOS,ERRbadfid));
data = smb_buf(inbuf) + 3;
if (numtowrite == 0)
nwritten = 0;
else
nwritten = write_to_pipe(p, data, numtowrite);
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
//0507 return (UNIXERROR(ERRDOS,ERRnoaccess));
return 0;
outsize = set_message(outbuf,1,0,True);
SSVAL(outbuf,smb_vwv0,nwritten);
//0507 DEBUG(3,("write-IPC pnum=%04x nwritten=%d\n",
//0507 p->pnum, nwritten));
return(outsize);
}
int reply_pipe_write_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
smb_np_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2);
uint16 vuid = SVAL(inbuf,smb_uid);
size_t numtowrite = SVAL(inbuf,smb_vwv10);
int nwritten = -1;
int smb_doff = SVAL(inbuf, smb_vwv11);
BOOL pipe_start_message_raw = ((SVAL(inbuf, smb_vwv7) & (PIPE_START_MESSAGE|PIPE_RAW_MODE)) ==
(PIPE_START_MESSAGE|PIPE_RAW_MODE));
char *data;
if (!p) {
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
if (p->vuid != vuid) {
return ERROR_NT(NT_STATUS_INVALID_HANDLE);
}
data = smb_base(inbuf) + smb_doff;
if (numtowrite == 0) {
nwritten = 0;
} else {
if(pipe_start_message_raw) {
/*
* For the start of a message in named pipe byte mode,
* the first two bytes are a length-of-pdu field. Ignore
* them (we don't trust the client). JRA.
*/
if(numtowrite < 2) {
DEBUG(0,("reply_pipe_write_and_X: start of message set and not enough data sent.(%u)\n",
(unsigned int)numtowrite ));
return (UNIXERROR(ERRDOS,ERRnoaccess));
}
data += 2;
numtowrite -= 2;
}
nwritten = write_to_pipe(p, data, numtowrite);
}
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0)) {
return (UNIXERROR(ERRDOS,ERRnoaccess));
}
set_message(outbuf,6,0,True);
nwritten = (pipe_start_message_raw ? nwritten + 2 : nwritten);
SSVAL(outbuf,smb_vwv2,nwritten);
DEBUG(3,("writeX-IPC pnum=%04x nwritten=%d\n", p->pnum, nwritten));
return chain_reply(inbuf,outbuf,length,bufsize);
}
/****************************************************************************
reply to a close
****************************************************************************/
int reply_pipe_close(char *inbuf,char *outbuf, int threadid)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0, threadid);
int outsize = set_message(outbuf,0,0,True);
if (!p)
return(ERROR(ERRDOS,ERRbadfid));
//0507 DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
if (!close_rpc_pipe_hnd(p, threadid))
return(ERROR(ERRDOS,ERRbadfid));
return(outsize);
}
//#if 0
int reply_pipe_write_and_X(char *inbuf,char *outbuf,int length,int bufsize, int ProcSockID, int threadid)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2, threadid);
uint32 numtowrite = SVAL(inbuf,smb_vwv10);
int nwritten = -1;
int smb_doff = SVAL(inbuf, smb_vwv11);
int pipe_start_message_raw = ((SVAL(inbuf, smb_vwv7) & (PIPE_START_MESSAGE|PIPE_RAW_MODE)) ==
(PIPE_START_MESSAGE|PIPE_RAW_MODE));
char *data;
if (!p)
return(ERROR(ERRDOS,ERRbadfid));
data = smb_base(inbuf) + smb_doff;
if (numtowrite == 0)
nwritten = 0;
else {
if(pipe_start_message_raw) {
/*
* For the start of a message in named pipe byte mode,
* the first two bytes are a length-of-pdu field. Ignore
* them (we don't trust the client. JRA.
*/
if(numtowrite < 2) {
//0507 DEBUG(0,("reply_pipe_write_and_X: start of message set and not enough data sent.(%u)\n",
//0507 (unsigned int)numtowrite ));
//0507 return (UNIXERROR(ERRDOS,ERRnoaccess));
return 0;
}
data += 2;
numtowrite -= 2;
}
nwritten = write_to_pipe(p, data, numtowrite);
}
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
//0507 return (UNIXERROR(ERRDOS,ERRnoaccess));
return 0;
set_message(outbuf,6,0,True);
nwritten = (pipe_start_message_raw ? nwritten + 2 : nwritten);
SSVAL(outbuf,smb_vwv2,nwritten);
//0507 DEBUG(3,("writeX-IPC pnum=%04x nwritten=%d\n",
//0507 p->pnum, nwritten));
return chain_reply(inbuf,outbuf,length,bufsize, ProcSockID, threadid);
}
/****************************************************************************
reply to a close
****************************************************************************/
int reply_pipe_close(connection_struct *conn, char *inbuf,char *outbuf)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
int outsize = set_message(outbuf,0,0,True);
if (!p)
return(ERROR(ERRDOS,ERRbadfid));
DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
if (!close_rpc_pipe_hnd(p, conn))
return(ERROR(ERRDOS,ERRbadfid));
return(outsize);
}
void reply_pipe_read_and_X(struct smb_request *req)
{
smb_np_struct *p = get_rpc_pipe_p(SVAL(req->inbuf,smb_vwv2));
int smb_maxcnt = SVAL(req->inbuf,smb_vwv5);
int smb_mincnt = SVAL(req->inbuf,smb_vwv6);
int nread = -1;
char *data;
bool unused;
/* we don't use the offset given to use for pipe reads. This
is deliberate, instead we always return the next lump of
data on the pipe */
#if 0
uint32 smb_offs = IVAL(req->inbuf,smb_vwv3);
#endif
if (!p) {
reply_doserror(req, ERRDOS, ERRbadfid);
return;
}
reply_outbuf(req, 12, smb_maxcnt);
data = smb_buf(req->outbuf);
nread = read_from_pipe(p, data, smb_maxcnt, &unused);
if (nread < 0) {
reply_doserror(req, ERRDOS, ERRnoaccess);
return;
}
srv_set_message((char *)req->outbuf, 12, nread, False);
SSVAL(req->outbuf,smb_vwv5,nread);
SSVAL(req->outbuf,smb_vwv6,smb_offset(data,req->outbuf));
SSVAL(smb_buf(req->outbuf),-2,nread);
DEBUG(3,("readX-IPC pnum=%04x min=%d max=%d nread=%d\n",
p->pnum, smb_mincnt, smb_maxcnt, nread));
chain_reply(req);
}
void reply_pipe_close(connection_struct *conn, struct smb_request *req)
{
smb_np_struct *p = get_rpc_pipe_p(SVAL(req->inbuf,smb_vwv0));
if (!p) {
reply_doserror(req, ERRDOS, ERRbadfid);
return;
}
DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
if (!close_rpc_pipe_hnd(p)) {
reply_doserror(req, ERRDOS, ERRbadfid);
return;
}
/* TODO: REMOVE PIPE FROM DB */
reply_outbuf(req, 0, 0);
return;
}
void reply_pipe_write(struct smb_request *req)
{
smb_np_struct *p = get_rpc_pipe_p(SVAL(req->inbuf,smb_vwv0));
size_t numtowrite = SVAL(req->inbuf,smb_vwv1);
int nwritten;
char *data;
if (!p) {
reply_doserror(req, ERRDOS, ERRbadfid);
return;
}
if (p->vuid != req->vuid) {
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
return;
}
data = smb_buf(req->inbuf) + 3;
if (numtowrite == 0) {
nwritten = 0;
} else {
nwritten = write_to_pipe(p, data, numtowrite);
}
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0)) {
reply_unixerror(req, ERRDOS, ERRnoaccess);
return;
}
reply_outbuf(req, 1, 0);
SSVAL(req->outbuf,smb_vwv0,nwritten);
DEBUG(3,("write-IPC pnum=%04x nwritten=%d\n", p->pnum, nwritten));
return;
}
int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize)
{
smb_np_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
uint16 vuid = SVAL(inbuf,smb_uid);
size_t numtowrite = SVAL(inbuf,smb_vwv1);
int nwritten;
int outsize;
char *data;
if (!p) {
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
if (p->vuid != vuid) {
return ERROR_NT(NT_STATUS_INVALID_HANDLE);
}
data = smb_buf(inbuf) + 3;
if (numtowrite == 0) {
nwritten = 0;
} else {
nwritten = write_to_pipe(p, data, numtowrite);
}
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0)) {
return (UNIXERROR(ERRDOS,ERRnoaccess));
}
outsize = set_message(outbuf,1,0,True);
SSVAL(outbuf,smb_vwv0,nwritten);
DEBUG(3,("write-IPC pnum=%04x nwritten=%d\n", p->pnum, nwritten));
return(outsize);
}
void reply_pipe_write_and_X(struct smb_request *req)
{
smb_np_struct *p = get_rpc_pipe_p(SVAL(req->inbuf,smb_vwv2));
size_t numtowrite = SVAL(req->inbuf,smb_vwv10);
int nwritten = -1;
int smb_doff = SVAL(req->inbuf, smb_vwv11);
bool pipe_start_message_raw =
((SVAL(req->inbuf, smb_vwv7)
& (PIPE_START_MESSAGE|PIPE_RAW_MODE))
== (PIPE_START_MESSAGE|PIPE_RAW_MODE));
char *data;
if (!p) {
reply_doserror(req, ERRDOS, ERRbadfid);
return;
}
if (p->vuid != req->vuid) {
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
return;
}
data = smb_base(req->inbuf) + smb_doff;
if (numtowrite == 0) {
nwritten = 0;
} else {
if(pipe_start_message_raw) {
/*
* For the start of a message in named pipe byte mode,
* the first two bytes are a length-of-pdu field. Ignore
* them (we don't trust the client). JRA.
*/
if(numtowrite < 2) {
DEBUG(0,("reply_pipe_write_and_X: start of "
"message set and not enough data "
"sent.(%u)\n",
(unsigned int)numtowrite ));
reply_unixerror(req, ERRDOS, ERRnoaccess);
return;
}
data += 2;
numtowrite -= 2;
}
nwritten = write_to_pipe(p, data, numtowrite);
}
if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0)) {
reply_unixerror(req, ERRDOS,ERRnoaccess);
return;
}
reply_outbuf(req, 6, 0);
nwritten = (pipe_start_message_raw ? nwritten + 2 : nwritten);
SSVAL(req->outbuf,smb_vwv2,nwritten);
DEBUG(3,("writeX-IPC pnum=%04x nwritten=%d\n", p->pnum, nwritten));
chain_reply(req);
}
