ssize_t message_push_string(uint8 **outbuf, const char *str, int flags)
{
size_t buf_size = smb_len(*outbuf) + 4;
size_t grow_size;
size_t result = 0;
uint8 *tmp;
NTSTATUS status;
/*
* We need to over-allocate, now knowing what srvstr_push will
* actually use. This is very generous by incorporating potential
* padding, the terminating 0 and at most 4 chars per UTF-16 code
* point.
*/
grow_size = (strlen(str) + 2) * 4;
if (!(tmp = talloc_realloc(NULL, *outbuf, uint8,
buf_size + grow_size))) {
DEBUG(0, ("talloc failed\n"));
return -1;
}
status = srvstr_push((char *)tmp, SVAL(tmp, smb_flg2),
tmp + buf_size, str, grow_size, flags, &result);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("srvstr_push failed\n"));
return -1;
}
set_message_bcc((char *)tmp, smb_buflen(tmp) + result);
*outbuf = tmp;
return result;
}
int reply_pipe_read_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
smb_np_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;
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(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, &unused);
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));
/* Ensure we set up the message length to include the data length read. */
set_message_bcc(outbuf,nread);
return chain_reply(inbuf,outbuf,length,bufsize);
}
void cli_setup_bcc(struct cli_state *cli, void *p)
{
set_message_bcc(cli->outbuf, PTR_DIFF(p, smb_buf(cli->outbuf)));
}