/****************************************************************************
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_DOS(ERRDOS,ERRbadfid));
DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
if (!close_rpc_pipe_hnd(p, conn))
return(ERROR_DOS(ERRDOS,ERRbadfid));
return(outsize);
}
/****************************************************************************
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_DOS(ERRDOS,ERRbadfid));
set_message(outbuf,12,0,True);
data = smb_buf(outbuf);
nread = read_from_pipe(p, data, 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 sendtxt
****************************************************************************/
int reply_sendtxt(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int len;
int outsize = 0;
char *msg;
START_PROFILE(SMBsendtxt);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendtxt);
return(ERROR_DOS(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
msg = smb_buf(inbuf) + 1;
len = SVAL(msg,0);
len = MIN(len,sizeof(msgbuf)-msgpos);
memcpy(&msgbuf[msgpos],msg+2,len);
msgpos += len;
DEBUG( 3, ( "SMBsendtxt\n" ) );
END_PROFILE(SMBsendtxt);
return(outsize);
}
/****************************************************************************
reply to a write on a pipe
****************************************************************************/
int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize)
{
pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
size_t numtowrite = SVAL(inbuf,smb_vwv1);
int nwritten;
int outsize;
char *data;
if (!p)
return(ERROR_DOS(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))
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);
}
/****************************************************************************
reply to a sendstrt
****************************************************************************/
int reply_sendstrt(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int outsize = 0;
char *p;
START_PROFILE(SMBsendstrt);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendstrt);
return(ERROR_DOS(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,1,0,True);
memset(msgbuf,'\0',sizeof(msgbuf));
msgpos = 0;
p = smb_buf(inbuf)+1;
p += srvstr_pull_buf(inbuf, msgfrom, p, sizeof(msgfrom), STR_TERMINATE) + 1;
p += srvstr_pull_buf(inbuf, msgto, p, sizeof(msgto), STR_TERMINATE) + 1;
DEBUG( 3, ( "SMBsendstrt (from %s to %s)\n", msgfrom, msgto ) );
END_PROFILE(SMBsendstrt);
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);
}
int reply_sendend(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int outsize = 0;
START_PROFILE(SMBsendend);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendend);
return(ERROR_DOS(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
DEBUG(3,("SMBsendend\n"));
msg_deliver();
END_PROFILE(SMBsendend);
return(outsize);
}
/****************************************************************************
reply to a sends
****************************************************************************/
int reply_sends(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int len;
char *msg;
int outsize = 0;
char *p;
START_PROFILE(SMBsends);
msgpos = 0;
if (! (*lp_msg_command())) {
END_PROFILE(SMBsends);
return(ERROR_DOS(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
p = smb_buf(inbuf)+1;
p += srvstr_pull_buf(inbuf, msgfrom, p, sizeof(msgfrom), STR_TERMINATE) + 1;
p += srvstr_pull_buf(inbuf, msgto, p, sizeof(msgto), STR_TERMINATE) + 1;
msg = p;
len = SVAL(msg,0);
len = MIN(len,sizeof(msgbuf)-msgpos);
memset(msgbuf,'\0',sizeof(msgbuf));
memcpy(&msgbuf[msgpos],msg+2,len);
msgpos += len;
msg_deliver();
END_PROFILE(SMBsends);
return(outsize);
}
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);
}
/****************************************************************************
reply to an open and X on a named pipe
This code is basically stolen from reply_open_and_X with some
wrinkles to handle pipes.
****************************************************************************/
int reply_open_pipe_and_X(connection_struct *conn,
char *inbuf,char *outbuf,int length,int bufsize)
{
pstring fname;
uint16 vuid = SVAL(inbuf, smb_uid);
pipes_struct *p;
int smb_ofun = SVAL(inbuf,smb_vwv8);
int size=0,fmode=0,mtime=0,rmode=0;
int i;
/* XXXX we need to handle passed times, sattr and flags */
pstrcpy(fname,smb_buf(inbuf));
/* If the name doesn't start \PIPE\ then this is directed */
/* at a mailslot or something we really, really don't understand, */
/* not just something we really don't understand. */
if ( strncmp(fname,PIPE,PIPELEN) != 0 )
return(ERROR_DOS(ERRSRV,ERRaccess));
DEBUG(4,("Opening pipe %s.\n", fname));
/* See if it is one we want to handle. */
for( i = 0; pipe_names[i].client_pipe ; i++ )
if( strequal(fname,pipe_names[i].client_pipe) )
break;
if (pipe_names[i].client_pipe == NULL)
return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
/* Strip \PIPE\ off the name. */
pstrcpy(fname,smb_buf(inbuf) + PIPELEN);
#if 0
/*
* Hack for NT printers... JRA.
*/
if(should_fail_next_srvsvc_open(fname))
return(ERROR_DOS(ERRSRV,ERRaccess));
#endif
/* Known pipes arrive with DIR attribs. Remove it so a regular file */
/* can be opened and add it in after the open. */
DEBUG(3,("Known pipe %s opening.\n",fname));
smb_ofun |= FILE_CREATE_IF_NOT_EXIST;
p = open_rpc_pipe_p(fname, conn, vuid);
if (!p) return(ERROR_DOS(ERRSRV,ERRnofids));
/* Prepare the reply */
set_message(outbuf,15,0,True);
/* Mark the opened file as an existing named pipe in message mode. */
SSVAL(outbuf,smb_vwv9,2);
SSVAL(outbuf,smb_vwv10,0xc700);
if (rmode == 2) {
DEBUG(4,("Resetting open result to open from create.\n"));
rmode = 1;
}
SSVAL(outbuf,smb_vwv2, p->pnum);
SSVAL(outbuf,smb_vwv3,fmode);
put_dos_date3(outbuf,smb_vwv4,mtime);
SIVAL(outbuf,smb_vwv6,size);
SSVAL(outbuf,smb_vwv8,rmode);
SSVAL(outbuf,smb_vwv11,0x0001);
return chain_reply(inbuf,outbuf,length,bufsize);
}