Ejemplo n.º 1
0
void iomt_use(io_desc *iod, mval *pp)
{
	unsigned char	ch, len;
	int		lab_type;
	int4		length, width;
	int4		skips;
	d_mt_struct	*mt_ptr, *out_ptr;
	io_desc		*d_in, *d_out;
	mident		tab;
	int		p_offset;

	error_def(ERR_MTINVLAB);
	error_def(ERR_DEVPARMNEG);
	error_def(ERR_UNIMPLOP);

	p_offset = 0;
	d_in = iod->pair.in;
	d_out = iod->pair.out;
	mt_ptr = (d_mt_struct *)iod->dev_sp;
	out_ptr = (d_mt_struct *)d_out->dev_sp;
	while (*(pp->str.addr + p_offset) != iop_eol)
	{
		switch (ch = *(pp->str.addr + p_offset++))
		{
		case iop_ebcdic:
			mt_ptr->ebcdic = TRUE;
			break;
		case iop_noebcdic:
			mt_ptr->ebcdic = FALSE;
			break;
		case iop_newversion:
			mt_ptr->newversion = TRUE;
			break;
		case iop_label:
			memset(tab.c, 0, sizeof(mident));
			len = *(pp->str.addr + p_offset);
			memcpy(tab.c, (pp->str.addr + p_offset + 1), (len < sizeof(mident) ? len : sizeof(mident)));
			if ((lab_type = namelook(mtlab_index, mtlab_names, tab.c)) < 0)
				rts_error(VARLSTCNT(1) ERR_MTINVLAB);
			mt_ptr->labeled = mtlab_type[lab_type];
			break;
		case iop_nolabel:
			mt_ptr->labeled = FALSE;
			break;
		case iop_rdcheckdata:
			mt_ptr->read_mask |= IO_M_DATACHECK;
			break;
		case iop_nordcheckdata:
			mt_ptr->read_mask &= (~(IO_M_DATACHECK));
			break;
		case iop_wtcheckdata:
			mt_ptr->write_mask |= IO_M_DATACHECK;
			break;
		case iop_nowtcheckdata:
			mt_ptr->write_mask &= (~(IO_M_DATACHECK));
			break;
		case iop_inhretry:
			mt_ptr->write_mask |= IO_M_INHRETRY;
			mt_ptr->read_mask |= IO_M_INHRETRY;
			break;
		case iop_retry:
			mt_ptr->write_mask &= ~IO_M_INHRETRY;
			mt_ptr->read_mask &= ~IO_M_INHRETRY;
			break;
		case iop_inhextgap:
			mt_ptr->write_mask |= IO_M_INHEXTGAP;
			break;
		case iop_extgap:
			mt_ptr->write_mask &= ~IO_M_INHEXTGAP;
			break;
		case iop_length:
			GET_LONG(length, (pp->str.addr + p_offset));
			if (length < 0)
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			iod->length = length;
			break;
		case iop_width:
			GET_LONG(width, (pp->str.addr + p_offset));
			if (width < 0)
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			if (width == 0)
			{
				iod->wrap = FALSE;
				iod->width = mt_ptr->record_sz;
			} else  if (width <= mt_ptr->record_sz)
			{
				iomt_flush(iod);
				iod->width = width;
				iod->wrap = TRUE;
			}
			break;
		case iop_wrap:
			out_ptr->wrap = TRUE;
			break;
		case iop_nowrap:
			out_ptr->wrap = FALSE;
			break;
		case iop_skipfile:
			GET_LONG(skips, (pp->str.addr + p_offset));
			iomt_skipfile(iod, skips);
			break;
		case iop_unload:
			assert(FALSE);
			break;
		case iop_rewind:
			iomt_rewind(iod);
			break;
		case iop_erasetape:
			iomt_erase(iod);
			break;
		case iop_space:
			GET_LONG(skips, (pp->str.addr + p_offset));
			iomt_skiprecord(iod, skips);
			break;
		case iop_writeof:
			iomt_eof(iod);
			break;
		case iop_writetm:
			iomt_tm(iod);
			break;
		case iop_writelb:
			memset(&tab, 0, sizeof(mident));
			len = *(pp->str.addr + p_offset);
			memcpy(&tab.c[0], pp->str.addr + p_offset + 1, (len < sizeof(mident) ? len : sizeof(mident)));
			if ((lab_type = namelook(mtwtlab_index, mtwtlab_names, tab.c)) < 0)
				rts_error(VARLSTCNT(1) ERR_MTINVLAB);
			iomt_wtansilab(iod, mtwtlab_type[lab_type]);
			break;
		case iop_next:
			rts_error(VARLSTCNT(1) ERR_UNIMPLOP);
			break;
		case iop_exception:
			iod->error_handler.len = *(pp->str.addr + p_offset);
			iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
			s2pool(&iod->error_handler);
			break;
		case iop_ipchset:
			{
				if ( (iconv_t)0 != iod->input_conv_cd )
				{
					ICONV_CLOSE_CD(iod->input_conv_cd);
				}
				SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->in_code_set)
					ICONV_OPEN_CD(iod->input_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
                        	break;
			}
                case iop_opchset:
			{
				if ( (iconv_t) 0 != iod->output_conv_cd )
				{
					ICONV_CLOSE_CD(iod->output_conv_cd);
				}
				SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->out_code_set)
					ICONV_OPEN_CD(iod->output_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
                        	break;
			}
		default:
			break;
		}
		p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
			(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
	}
}
Ejemplo n.º 2
0
void	iosocket_use(io_desc *iod, mval *pp)
{
    unsigned char	ch, len;
    int		handled_len, handlea_len, handles_len;
    int4		length, width, new_len;
    d_socket_struct *dsocketptr;
    socket_struct	*socketptr, newsocket;
    char		handlea[MAX_HANDLE_LEN], handles[MAX_HANDLE_LEN], handled[MAX_HANDLE_LEN];
    char            addr[SA_MAXLITLEN], *errptr, sockaddr[SA_MAXLITLEN],
                    temp_addr[SA_MAXLITLEN], ioerror;
    unsigned char	delimiter_buffer[MAX_N_DELIMITER * (MAX_DELIM_LEN + 1)];
    unsigned char	zff_buffer[MAX_ZFF_LEN];
    boolean_t	attach_specified = FALSE,
                detach_specified = FALSE,
                connect_specified = FALSE,
                ioerror_specified = FALSE,
                listen_specified = FALSE,
                socket_specified = FALSE,
                delay_specified = FALSE,
                nodelay_specified = FALSE,
                bfsize_specified = FALSE,
                ibfsize_specified = FALSE,
                moreread_specified = FALSE,
                create_new_socket;
    int4 		index, n_specified, zff_len, delimiter_len, moreread_timeout;
    int		fil_type, nodelay, p_offset = 0;
    uint4		bfsize = DEFAULT_SOCKET_BUFFER_SIZE, ibfsize;
    char		*tab;
    int		save_errno;
    size_t		d_socket_struct_len;
    mstr		lcl_zff;

    assert(iod->state == dev_open);
    assert(iod->type == gtmsocket);
    dsocketptr = (d_socket_struct *)(iod->dev_sp);
    /* ---------------------------------- parse the command line ------------------------------------ */
    n_specified = 0;
    zff_len = -1; /* indicates neither ZFF nor ZNOFF specified */
    delimiter_len = -1; /* indicates neither DELIM nor NODELIM specified */

    /* A read or wait was interrupted for this device. Allow only parmless use in $zinterrupt code for
       and interrupted device.
    */
    if (iop_eol != *(pp->str.addr + p_offset))
    {   /* Parameters were specified */
        if (dsocketptr->mupintr)
        {   /* And if we are in $zinterrupt code this is not allowed */
            if (dollar_zininterrupt)
                rts_error(VARLSTCNT(1) ERR_ZINTRECURSEIO);
            /* We are not in $zinterrupt code and this device was not resumed properly
               so clear its restartability.
            */
            io_find_mvstent(iod, TRUE);
            dsocketptr->mupintr = FALSE;
        }
    } else if (dsocketptr->mupintr && !dollar_zininterrupt)
    {   /* The interrupted read was not properly resumed so clear it now */
        dsocketptr->mupintr = FALSE;
        dsocketptr->sock_save_state.who_saved = sockwhich_invalid;
        io_find_mvstent(iod, TRUE);
    }

    while (iop_eol != (ch = *(pp->str.addr + p_offset++)))
    {
        assert((params)ch < (params)n_iops);
        switch (ch)
        {
        case iop_exception:
            iod->error_handler.len = *(pp->str.addr + p_offset);
            iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
            s2pool(&iod->error_handler);
            break;
        case iop_filter:
            len = *(pp->str.addr + p_offset);
            tab = pp->str.addr + p_offset + 1;
            if ((fil_type = namelook(filter_index, filter_names, tab, len)) < 0)
            {
                rts_error(VARLSTCNT(1) ERR_TTINVFILTER);
                return;
            }
            switch (fil_type)
            {
            case 0:
                iod->write_filter |= CHAR_FILTER;
                break;
            case 1:
                iod->write_filter |= ESC1;
                break;
            case 2:
                iod->write_filter &= ~CHAR_FILTER;
                break;
            case 3:
                iod->write_filter &= ~ESC1;
                break;
            }
            break;
        case iop_nofilter:
            iod->write_filter = 0;
            break;
        case iop_attach:
            n_specified++;
            attach_specified = TRUE;
            handlea_len = (int)(*(pp->str.addr + p_offset));
            memcpy(handlea, (char *)(pp->str.addr + p_offset + 1), handlea_len);
            break;
        case iop_detach:
            n_specified++;
            detach_specified = TRUE;
            handled_len = (int)(*(pp->str.addr + p_offset));
            memcpy(handled, (char *)(pp->str.addr + p_offset + 1), handled_len);
            break;
        case iop_connect:
            n_specified++;
            connect_specified = TRUE;
            len = *(pp->str.addr + p_offset);
            if (len < SA_MAXLITLEN)
            {
                memcpy(sockaddr, (char *)(pp->str.addr + p_offset + 1), len);
                sockaddr[len] = '\0';
            } else
                rts_error(VARLSTCNT(6) ERR_ADDRTOOLONG,
                          4, len, pp->str.addr + p_offset + 1, len, SA_MAXLITLEN);
            break;
        case iop_delimiter:
            n_specified++;
            delimiter_len = (int4)(unsigned char)*(pp->str.addr + p_offset);
            if (((MAX_DELIM_LEN + 1) * MAX_N_DELIMITER) >= delimiter_len)
                memcpy(delimiter_buffer, (pp->str.addr + p_offset + 1), delimiter_len);
            else
                rts_error(VARLSTCNT(1) ERR_DELIMSIZNA);
            break;
        case	iop_nodelimiter:
            delimiter_len = 0;
            break;
        case	iop_zdelay:
            delay_specified = TRUE;
            break;
        case	iop_znodelay:
            nodelay_specified = TRUE;
            break;
        case	iop_zbfsize:
            bfsize_specified = TRUE;
            GET_ULONG(bfsize, pp->str.addr + p_offset);
            if ((0 == bfsize) || (MAX_SOCKET_BUFFER_SIZE < bfsize))
                rts_error(VARLSTCNT(3) ERR_ILLESOCKBFSIZE, 1, bfsize);
            break;
        case	iop_zibfsize:
            ibfsize_specified = TRUE;
            GET_ULONG(ibfsize, pp->str.addr + p_offset);
            if ((0 == ibfsize) || (MAX_INTERNAL_SOCBUF_SIZE < ibfsize))
                rts_error(VARLSTCNT(3) ERR_ILLESOCKBFSIZE, 1, ibfsize);
            break;
        case iop_ioerror:
            n_specified++;
            ioerror_specified = TRUE;
            ioerror = *(char *)(pp->str.addr + p_offset + 1);
            break;
        case iop_zlisten:
            n_specified++;
            listen_specified = TRUE;
            len = *(pp->str.addr + p_offset);
            if (len < SA_MAXLITLEN)
            {
                memcpy(sockaddr, (char *)(pp->str.addr + p_offset + 1), len);
                sockaddr[len] = '\0';
            } else
                rts_error(VARLSTCNT(6) ERR_ADDRTOOLONG,
                          4, len, pp->str.addr + p_offset + 1, len, SA_MAXLITLEN);
            break;
        case iop_socket:
            n_specified++;
            socket_specified = TRUE;
            handles_len = (int)(*(pp->str.addr + p_offset));
            memcpy(handles, (char *)(pp->str.addr + p_offset + 1), handles_len);
            break;
        case iop_ipchset:
#if defined(KEEP_zOS_EBCDIC) || defined(VMS)
            if ((iconv_t)0 != iod->input_conv_cd)
                ICONV_CLOSE_CD(iod->input_conv_cd);
            SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
            if (DEFAULT_CODE_SET != iod->in_code_set)
                ICONV_OPEN_CD(iod->input_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
#endif
            break;
        case iop_opchset:
#if defined(KEEP_zOS_EBCDIC) || defined(VMS)
            if ((iconv_t)0 != iod->output_conv_cd)
                ICONV_CLOSE_CD(iod->output_conv_cd);
            SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
            if (DEFAULT_CODE_SET != iod->out_code_set)
                ICONV_OPEN_CD(iod->output_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
#endif
            break;
        case iop_zff:
            if (MAX_ZFF_LEN >= (zff_len = (int4)(unsigned char)*(pp->str.addr + p_offset)))
                memcpy(zff_buffer, (char *)(pp->str.addr + p_offset + 1), zff_len);
            else
                rts_error(VARLSTCNT(4) ERR_ZFF2MANY, 2, zff_len, MAX_ZFF_LEN);
            break;
        case iop_znoff:
            zff_len = 0;
            break;
        case iop_length:
            GET_LONG(length, pp->str.addr + p_offset);
            if (length < 0)
                rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
            iod->length = length;
            break;
        case iop_width:
            /* SOCKET WIDTH is handled the same way as TERMINAL WIDTH */
            GET_LONG(width, pp->str.addr + p_offset);
            if (width < 0)
                rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
            if (0 == width)
            {
                iod->width = TCPDEF_WIDTH;
                iod->wrap = FALSE;
            } else
            {
                iod->width = width;
                iod->wrap = TRUE;
            }
            break;
        case iop_wrap:
            iod->wrap = TRUE;
            break;
        case iop_nowrap:
            iod->wrap = FALSE;
            break;
        case iop_morereadtime:
            /* Time in milliseconds socket read will wait for more data before returning */
            GET_LONG(moreread_timeout, pp->str.addr + p_offset);
            if (-1 == moreread_timeout)
                moreread_timeout = DEFAULT_MOREREAD_TIMEOUT;
            else if (-1 > moreread_timeout)
                rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
            else if (MAX_MOREREAD_TIMEOUT < moreread_timeout)
                rts_error(VARLSTCNT(3) ERR_MRTMAXEXCEEDED, 1, MAX_MOREREAD_TIMEOUT);
            moreread_specified = TRUE;
            break;
        default:
            /* ignore deviceparm */
            break;
        }
        p_offset += ((io_params_size[ch] == IOP_VAR_SIZE) ?
                     (unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
    }
    /* ------ return immediately if no flag, worth a check because it is mostly true ------------ */
    if (1 == p_offset)
        return;
    /* ------------------------------ compatibility verification -------------------------------- */
    if ((socket_specified) && ((n_specified > 2) || ((2 == n_specified) && (0 >= delimiter_len))))
    {
        rts_error(VARLSTCNT(8) ERR_ACOMPTBINC, 6, LEN_AND_LIT("SOCKET"), LEN_AND_LIT("DELIMITER"), LEN_AND_LIT("USE"));
        return;
    }
    if (connect_specified && listen_specified)
    {
        rts_error(VARLSTCNT(8) ERR_ABNCOMPTINC, 6, LEN_AND_LIT("CONNECT"), LEN_AND_LIT("ZLISTEN"), LEN_AND_LIT("USE"));
        return;
    }
    if (delay_specified && nodelay_specified)
    {
        rts_error(VARLSTCNT(8) ERR_ABNCOMPTINC, 6, LEN_AND_LIT("DELAY"), LEN_AND_LIT("NODELAY"), LEN_AND_LIT("OPEN"));
        return;
    }
    /* ------------------ make a local copy of device structure to play with -------------------- */
    d_socket_struct_len = SIZEOF(d_socket_struct) + (SIZEOF(socket_struct) * (gtm_max_sockets - 1));
    memcpy(newdsocket, dsocketptr, d_socket_struct_len);
    /* --------------- handle the two special cases attach/detach first ------------------------- */
    if (detach_specified)
    {
        if (1 < n_specified)
        {
            rts_error(VARLSTCNT(6) ERR_ANCOMPTINC, 4, LEN_AND_LIT("DETACH"), LEN_AND_LIT("USE"));
            return;
        }
        if (NULL == socket_pool)
            iosocket_poolinit();
        iosocket_switch(handled, handled_len, newdsocket, socket_pool);
        memcpy(dsocketptr, newdsocket, d_socket_struct_len);
        if (0 > dsocketptr->current_socket)
        {
            io_curr_device.in = io_std_device.in;
            io_curr_device.out = io_std_device.out;
        }
        return; /* detach can only be specified by itself */
    }
    if (attach_specified)
    {   /* NOTE: A socket could be moved from one device to another using DETACH/ATTACH. A socket does not carry I[O]CHSET with
         * it while being moved. Such a socket will use the I[O]CHSET of the device it is ATTACHed to. If there is input still
         * buffered, this may cause unintentional consequences in the application if I[O]CHSET changes. GT.M does not detect
         * (or report) a change in I[O]CHSET due to DETACH/ATTACH.
         */
        if (1 < n_specified)
        {
            rts_error(VARLSTCNT(6) ERR_ANCOMPTINC, 4, LEN_AND_LIT("ATTACH"), LEN_AND_LIT("USE"));
            return;
        }
        if (NULL == socket_pool)
        {
            rts_error(VARLSTCNT(4) ERR_SOCKNOTFND, 2, handlea_len, handlea);
            return;
        }
        iosocket_switch(handlea, handlea_len, socket_pool, newdsocket);
        memcpy(dsocketptr, newdsocket, d_socket_struct_len);
        return; /* attach can only be specified by itself */
    }
    /* ------------ create/identify the socket to work on and make a local copy ----------------- */
    if (create_new_socket = (listen_specified || connect_specified))	/* real "=" */
    {
        /* allocate the structure for a new socket */
        if (NULL == (socketptr = iosocket_create(sockaddr, bfsize, -1)))
            return;
        /* give the new socket a handle */
        iosocket_handle(handles, &handles_len, TRUE, dsocketptr);
        socketptr->handle_len = handles_len;
        memcpy(socketptr->handle, handles, handles_len);
        socketptr->dev = newdsocket;	/* use newdsocket temporarily for the sake of bind/connect */
    } else
    {
        if (socket_specified)
        {
            /* use the socket flag to identify which socket to apply changes */
            if (0 > (index = iosocket_handle(handles, &handles_len, FALSE, newdsocket)))
            {
                rts_error(VARLSTCNT(4) ERR_SOCKNOTFND, 2, handles_len, handles);
                return;
            }
            newdsocket->current_socket = index;
            socketptr = newdsocket->socket[index];
        } else
        {
            socketptr = newdsocket->socket[newdsocket->current_socket];
            if (newdsocket->n_socket <= newdsocket->current_socket)
            {
                assert(FALSE);
                rts_error(VARLSTCNT(4) ERR_CURRSOCKOFR, 2, newdsocket->current_socket, newdsocket->n_socket);
                return;
            }
        }
    }
    newsocket = *socketptr;
    /* ---------------------- apply changes to the local copy of the socket --------------------- */
    if (0 <= delimiter_len)
    {
        iosocket_delimiter(delimiter_buffer, delimiter_len, &newsocket, (0 == delimiter_len));
        /* The delimiter has changed. The iosocket_readfl/write routine won't notice so we have to do
           the UTF16xx conversion since we changed it.
        */
        DBGSOCK2((stdout, "socuse: Delimiter(s) replaced - num delims: %d  delimiter_len: %d  ichset: %d  ochset: %d\n",
                  newsocket.n_delimiter, delimiter_len, iod->ichset, iod->ochset));
        if  (0 < delimiter_len)
        {
            if (!newsocket.first_read && (CHSET_UTF16BE == iod->ichset || CHSET_UTF16LE == iod->ichset))
            {   /* We have been reading with this socket so convert this new delimiter set */
                DBGSOCK2((stdout, "socuse: Converting new delimiters for input\n"));
                iosocket_delim_conv(&newsocket, iod->ichset);
            }
            if (!newsocket.first_write && (CHSET_UTF16BE == iod->ochset || CHSET_UTF16LE == iod->ochset))
            {   /* We have been writing with this socket so convert the new default output delimiter */
                DBGSOCK2((stdout, "socuse: Converting new delimiters for output\n"));
                if (newsocket.first_read || (CHSET_UTF16BE != iod->ichset && CHSET_UTF16LE != iod->ichset))
                {   /* Need to do conversion as iosocket_delim_conv above didn't do it for us */
                    DBGSOCK2((stdout, "socuse: running convert for write since input didn't do it\n"));
                    new_len = gtm_conv(chset_desc[CHSET_UTF8], chset_desc[iod->ochset],
                                       &newsocket.delimiter[0], NULL, NULL);
                    if (MAX_DELIM_LEN < new_len)
                    {
                        rts_error(VARLSTCNT(1) ERR_DELIMSIZNA);
                        return;
                    }
                } else
                {
                    DBGSOCK2((stdout, "socuse: using previous length from read conversion\n"));
                    new_len = newsocket.idelimiter[0].len;
                }
                newsocket.odelimiter0.len = new_len;
                UNICODE_ONLY(newsocket.odelimiter0.char_len = newsocket.delimiter[0].char_len);
                newsocket.odelimiter0.addr = malloc(new_len);
                memcpy(newsocket.odelimiter0.addr,
                       (newsocket.first_read ? (char *)stringpool.free : newsocket.idelimiter[0].addr),
                       new_len);
            }
        }
    }
    if (iod->wrap && 0 != newsocket.n_delimiter && iod->width < newsocket.delimiter[0].len)
        rts_error(VARLSTCNT(4) ERR_DELIMWIDTH, 2, iod->width, newsocket.delimiter[0].len);
    if (0 <= zff_len && /* ZFF or ZNOFF specified */
            0 < (newsocket.zff.len = zff_len)) /* assign the new ZFF len, might be 0 from ZNOFF, or ZFF="" */
    {   /* ZFF="non-zero-len-string" specified */
        if (CHSET_UTF16BE == iod->ochset || CHSET_UTF16LE == iod->ochset) /* need conversion of ZFF */
        {
            DBGSOCK2((stdout, "socuse: Converting zff\n"));
            lcl_zff.addr = (char *)zff_buffer;
            lcl_zff.len = zff_len;
            new_len = gtm_conv(chset_desc[CHSET_UTF8], chset_desc[iod->ochset], &lcl_zff, NULL, NULL);
            if (MAX_ZFF_LEN < new_len)
                rts_error(VARLSTCNT(4) ERR_ZFF2MANY, 2, new_len, MAX_ZFF_LEN);
            if (NULL == newsocket.zff.addr) /* we rely on newsocket.zff.addr being set to 0 in iosocket_create() */
                newsocket.zff.addr = (char *)malloc(MAX_ZFF_LEN);
            newsocket.zff.len = new_len;
            UNICODE_ONLY(newsocket.zff.char_len = 0); /* don't care */
            memcpy(newsocket.zff.addr, stringpool.free, new_len);

        } else
        {   /* Store parm without conversion */
            if (gtm_utf8_mode) /* Check if ZFF has any invalid UTF-8 character */
            {   /* Note: the ZFF string originates from the source program, so is in UTF-8 mode or M mode
                   regardless of OCHSET of this device. ZFF is output on WRITE # command, and MUST contain
                   valid UTF-8 sequence. This validation is handled by gtm_conv in the path above.
                */
                utf8_len_strict(zff_buffer, zff_len);
            }
            if (NULL == newsocket.zff.addr) /* we rely on newsocket.zff.addr being set to 0 in iosocket_create() */
                newsocket.zff.addr = (char *)malloc(MAX_ZFF_LEN);
            memcpy(newsocket.zff.addr, zff_buffer, zff_len);
        }
    }
    if (ioerror_specified)
        newsocket.ioerror = ('T' == ioerror || 't' == ioerror);
    if (nodelay_specified || delay_specified)
        newsocket.nodelay = nodelay_specified;	/* defaults to DELAY */
    if (ibfsize_specified)
        newsocket.bufsiz = ibfsize;
    if (moreread_specified)
    {
        newsocket.moreread_timeout = moreread_timeout;
        newsocket.def_moreread_timeout = TRUE;	/* need to know this was user-defined in iosocket_readfl.c */
    }
    if (!create_new_socket)
    {
        /* these changes apply to only pre-existing sockets */
        if (bfsize_specified)
            newsocket.buffer_size = bfsize;
#ifdef TCP_NODELAY
        nodelay = newsocket.nodelay ? 1 : 0;
        if ((socketptr->nodelay != newsocket.nodelay) &&
                (-1 == tcp_routines.aa_setsockopt(newsocket.sd, IPPROTO_TCP,
                        TCP_NODELAY, &nodelay, SIZEOF(nodelay))))
        {
            save_errno = errno;
            errptr = (char *)STRERROR(save_errno);
            rts_error(VARLSTCNT(7) ERR_SETSOCKOPTERR, 5, LEN_AND_LIT("TCP_NODELAY"), save_errno, LEN_AND_STR(errptr));
            return;
        }
#endif
        if ((socketptr->bufsiz != newsocket.bufsiz) &&
                (-1 == tcp_routines.aa_setsockopt(newsocket.sd, SOL_SOCKET,
                        SO_RCVBUF, &newsocket.bufsiz, SIZEOF(newsocket.bufsiz))))
        {
            save_errno = errno;
            errptr = (char *)STRERROR(save_errno);
            rts_error(VARLSTCNT(7) ERR_SETSOCKOPTERR, 5, LEN_AND_LIT("SO_RCVBUF"), save_errno, LEN_AND_STR(errptr));
            return;
        }
        if (socketptr->buffer_size != newsocket.buffer_size)
        {
            if (socketptr->buffered_length > bfsize)
                rts_error(VARLSTCNT(4) ERR_SOCKBFNOTEMPTY, 2, bfsize, socketptr->buffered_length);
            newsocket.buffer = (char *)malloc(bfsize);
            if (0 < socketptr->buffered_length)
            {
                memcpy(newsocket.buffer, socketptr->buffer + socketptr->buffered_offset,
                       socketptr->buffered_length);
                newsocket.buffered_offset = 0;
            }
        }
    }
    /* -------------------------------------- action -------------------------------------------- */
    if ((listen_specified && (!iosocket_bind(&newsocket, NO_M_TIMEOUT, ibfsize_specified))) ||
            (connect_specified && (!iosocket_connect(&newsocket, 0, ibfsize_specified))))
    {   /* error message should be printed from bind/connect */
        if (socketptr->sd > 0)
            (void)tcp_routines.aa_close(socketptr->sd);
        iosocket_delimiter((unsigned char *)NULL, 0, &newsocket, TRUE);
        if (NULL != socketptr->zff.addr)
            free(socketptr->zff.addr);
        if (NULL != socketptr->buffer)
            free(socketptr->buffer);
        free(socketptr);
        return;
    }
    /* ------------------------------------ commit changes -------------------------------------- */
    if (create_new_socket)
    {
        if (gtm_max_sockets <= newdsocket->n_socket)
        {
            rts_error(VARLSTCNT(3) ERR_SOCKMAX, 1, gtm_max_sockets);
            return;
        }
        /* a new socket is created. so add to the list */
        newsocket.dev = dsocketptr;
        newdsocket->socket[newdsocket->n_socket++] = socketptr;
        newdsocket->current_socket = newdsocket->n_socket - 1;
    }
    else if (socketptr->buffer_size != newsocket.buffer_size)
        free(socketptr->buffer);
    *socketptr = newsocket;
    memcpy(dsocketptr, newdsocket, d_socket_struct_len);
    return;
}
Ejemplo n.º 3
0
void iott_use(io_desc *iod, mval *pp)
{
	boolean_t		flush_input;
	char			dc1, *ttab;
	d_tt_struct		*temp_ptr, *tt_ptr;
	int			p_offset, fil_type, save_errno, status;
	int4			length, width;
	io_desc			*d_in, *d_out;
	io_termmask		mask_term;
	struct sigaction	act;
	struct termios		t;
	uint4			mask_in;
	unsigned char		ch, len;
	boolean_t		ch_set;

	p_offset = 0;
	assert(iod->state == dev_open);
	ESTABLISH_GTMIO_CH(&iod->pair, ch_set);
	iott_flush(iod);
	tt_ptr = (d_tt_struct *)iod->dev_sp;
	if (*(pp->str.addr + p_offset) != iop_eol)
	{
		if (tt_ptr->mupintr)
			if (dollar_zininterrupt)
				rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_ZINTRECURSEIO);
			else
			{	/* The interrupted read was not properly resumed so clear it now */
				tt_ptr->mupintr = FALSE;
				tt_ptr->tt_state_save.who_saved = ttwhichinvalid;
				io_find_mvstent(iod, TRUE);
			}
		status = tcgetattr(tt_ptr->fildes, &t);
		if (0 != status)
		{
			save_errno = errno;
			ISSUE_NOPRINCIO_IF_NEEDED_TT(io_curr_device.out);
			rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_TCGETATTR, 1, tt_ptr->fildes, save_errno);
		}
		flush_input = FALSE;
		d_in = iod->pair.in;
		d_out = iod->pair.out;
		temp_ptr = (d_tt_struct *)d_in->dev_sp;
		mask_in = temp_ptr->term_ctrl;
		mask_term = temp_ptr->mask_term;
		while (*(pp->str.addr + p_offset) != iop_eol)
		{
			switch (ch = *(pp->str.addr + p_offset++))
			{
				case iop_canonical:
					tt_ptr->canonical = TRUE;
					t.c_lflag |= ICANON;
					break;
				case iop_nocanonical:
					tt_ptr->canonical = FALSE;
					t.c_lflag &= ~(ICANON);
					break;
				case iop_empterm:
					tt_ptr->ext_cap |= TT_EMPTERM;
					break;
				case iop_noempterm:
					tt_ptr->ext_cap &= ~TT_EMPTERM;
					break;
				case iop_cenable:
					if (!ctrlc_on)
					{	/* if it's already cenable, no need to change */
						temp_ptr = (d_tt_struct *)io_std_device.in->dev_sp;
						if (tt_ptr->fildes == temp_ptr->fildes)
						{	/* if this is $PRINCIPAL make sure the ctrlc_handler is enabled */
							sigemptyset(&act.sa_mask);
							act.sa_flags = 0;
							act.sa_handler = ctrlc_handler_ptr;
							sigaction(SIGINT, &act, 0);
							ctrlc_on = TRUE;
						}
					}
					break;
				case iop_nocenable:
					if (ctrlc_on)
					{	/* if it's already nocenable, no need to change */
						temp_ptr = (d_tt_struct *)io_std_device.in->dev_sp;
						if (tt_ptr->fildes == temp_ptr->fildes)
						{	/* if this is $PRINCIPAL may disable the ctrlc_handler */
							if (0 == (CTRLC_MSK & tt_ptr->enbld_outofbands.mask))
							{	/* but only if ctrap=$c(3) is not active */
								sigemptyset(&act.sa_mask);
								act.sa_flags = 0;
								act.sa_handler = SIG_IGN;
								sigaction(SIGINT, &act, 0);
							}
							ctrlc_on = FALSE;
						}
					}
					break;
				case iop_clearscreen:
					if (NULL != CLR_EOS)
						gtm_tputs(CLR_EOS, 1, outc);
					break;
				case iop_convert:
					mask_in |= TRM_CONVERT;
					break;
				case iop_noconvert:
					mask_in &= ~TRM_CONVERT;
					break;
				case iop_ctrap:
					GET_LONG(tt_ptr->enbld_outofbands.mask, pp->str.addr + p_offset);
					if (!ctrlc_on)
					{	/* if cenable, ctrlc_handler active anyway, otherwise, depends on ctrap=$c(3) */
						sigemptyset(&act.sa_mask);
						act.sa_flags = 0;
						act.sa_handler = (CTRLC_MSK & tt_ptr->enbld_outofbands.mask)
							? ctrlc_handler_ptr : SIG_IGN;
						sigaction(SIGINT, &act, 0);
					}
					break;
				case iop_downscroll:
					if (d_out->dollar.y > 0)
					{
						d_out->dollar.y--;
						if (NULL != CURSOR_ADDRESS)
							gtm_tputs(gtm_tparm(CURSOR_ADDRESS, d_out->dollar.y, d_out->dollar.x), 1,
								  outc);
					}
					break;
				case iop_echo:
					mask_in &= (~TRM_NOECHO);
					break;
				case iop_noecho:
					mask_in |= TRM_NOECHO;
					break;
				case iop_editing:
					if (io_curr_device.in == io_std_device.in)
					{	/* $PRINCIPAL only */
						tt_ptr->ext_cap |= TT_EDITING;
						if (!tt_ptr->recall_buff.addr)
						{
							assert(tt_ptr->in_buf_sz);
							tt_ptr->recall_buff.addr = malloc(tt_ptr->in_buf_sz);
							tt_ptr->recall_size = tt_ptr->in_buf_sz;
							tt_ptr->recall_buff.len = 0;    /* nothing in buffer */
						}
					}
					break;
				case iop_noediting:
					if (io_curr_device.in == io_std_device.in)
						tt_ptr->ext_cap &= ~TT_EDITING;	/* $PRINCIPAL only */
					break;
				case iop_escape:
					mask_in |= TRM_ESCAPE;
					break;
				case iop_noescape:
					mask_in &= (~TRM_ESCAPE);
					default:
					break;
				case iop_eraseline:
					if (NULL != CLR_EOL)
						gtm_tputs(CLR_EOL, 1, outc);
					break;
				case iop_exception:
					iod->error_handler.len = *(pp->str.addr + p_offset);
					iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
					s2pool(&iod->error_handler);
					break;
				case iop_filter:
					len = *(pp->str.addr + p_offset);
					ttab = pp->str.addr + p_offset + 1;
					if ((fil_type = namelook(filter_index, filter_names, ttab, len)) < 0)
					{
						rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_TTINVFILTER);
						return;
					}
					switch (fil_type)
					{
					case 0:
						iod->write_filter |= CHAR_FILTER;
						break;
					case 1:
						iod->write_filter |= ESC1;
						break;
					case 2:
						iod->write_filter &= ~CHAR_FILTER;
						break;
					case 3:
						iod->write_filter &= ~ESC1;
						break;
					}
					break;
				case iop_nofilter:
					iod->write_filter = 0;
					break;
				case iop_flush:
					flush_input = TRUE;
					break;
				case iop_hostsync:
					t.c_iflag |= IXOFF;
					break;
				case iop_nohostsync:
					t.c_iflag &= ~IXOFF;
					break;
				case iop_insert:
					if (io_curr_device.in == io_std_device.in)
						tt_ptr->ext_cap &= ~TT_NOINSERT;	/* $PRINCIPAL only */
					break;
				case iop_noinsert:
					if (io_curr_device.in == io_std_device.in)
						tt_ptr->ext_cap |= TT_NOINSERT;	/* $PRINCIPAL only */
					break;
				case iop_length:
					GET_LONG(length, pp->str.addr + p_offset);
					if (0 > length)
						rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_DEVPARMNEG);
					d_out->length = length;
					break;
				case iop_pasthru:
					mask_in |= TRM_PASTHRU;
					break;
				case iop_nopasthru:
					mask_in &= (~TRM_PASTHRU);
					break;
				case iop_readsync:
					mask_in |= TRM_READSYNC;
					break;
				case iop_noreadsync:
					dc1 = (char)17;
					temp_ptr = (d_tt_struct *)io_std_device.in->dev_sp;
					DOWRITERC(temp_ptr->fildes, &dc1, 1, status);
					if (0 != status)
						rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) status);
					mask_in &= (~TRM_READSYNC);
					break;
				case iop_terminator:
					memcpy(&mask_term.mask[0], (pp->str.addr + p_offset), SIZEOF(io_termmask));
					temp_ptr = (d_tt_struct *)d_in->dev_sp;
					if (mask_term.mask[0] == NUL &&
						mask_term.mask[1] == NUL &&
						mask_term.mask[2] == NUL &&
						mask_term.mask[3] == NUL &&
						mask_term.mask[4] == NUL &&
						mask_term.mask[5] == NUL &&
						mask_term.mask[6] == NUL &&
						mask_term.mask[7] == NUL)
					{
						temp_ptr->default_mask_term = TRUE;
						if (CHSET_UTF8 == d_in->ichset)
						{
							mask_term.mask[0] = TERM_MSK_UTF8_0;
							mask_term.mask[4] = TERM_MSK_UTF8_4;
						} else
							mask_term.mask[0] = TERM_MSK;
					} else
						temp_ptr->default_mask_term = FALSE;
						break;
				case iop_noterminator:
					temp_ptr = (d_tt_struct *)d_in->dev_sp;
					temp_ptr->default_mask_term = FALSE;
					memset(&mask_term.mask[0], 0, SIZEOF(io_termmask));
					break;
				case iop_ttsync:
					t.c_iflag |= IXON;
					break;
				case iop_nottsync:
					t.c_iflag &= ~IXON;
					break;
				case iop_typeahead:
					mask_in &= (~TRM_NOTYPEAHD);
					break;
				case iop_notypeahead:
					mask_in |= TRM_NOTYPEAHD;
					break;
				case iop_upscroll:
					d_out->dollar.y++;
					if (d_out->length)
						d_out->dollar.y %= d_out->length;
					if (NULL != CURSOR_ADDRESS)
						gtm_tputs(gtm_tparm(CURSOR_ADDRESS, d_out->dollar.y, d_out->dollar.x), 1, outc);
					break;
				case iop_width:
					GET_LONG(width, pp->str.addr + p_offset);
					if (0 > width)
						rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_DEVPARMNEG);
					/* Do not allow a WIDTH of 1 if UTF mode (ICHSET or OCHSET is not M) */
					if ((1 == width) && ((CHSET_M != d_in->ochset) || (CHSET_M != d_in->ichset)))
						rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_WIDTHTOOSMALL);
					if (0 == width)
					{
						d_out->wrap = FALSE;
						d_out->width = TTDEF_PG_WIDTH;
					} else
					{
						d_out->width = width;
						d_out->wrap = TRUE;
					}
					break;
				case iop_wrap:
					d_out->wrap = TRUE;
					break;
				case iop_nowrap:
					d_out->wrap = FALSE;
					break;
				case iop_x:
					GET_LONG(d_out->dollar.x, pp->str.addr + p_offset);
					if (0 > (int4)d_out->dollar.x)
						d_out->dollar.x = 0;
					if (d_out->dollar.x > d_out->width && d_out->wrap)
					{
						d_out->dollar.y += (d_out->dollar.x / d_out->width);
						if (d_out->length)
							d_out->dollar.y %= d_out->length;
						d_out->dollar.x	%= d_out->width;
					}
					if (NULL != CURSOR_ADDRESS)
						gtm_tputs(gtm_tparm(CURSOR_ADDRESS, d_out->dollar.y, d_out->dollar.x), 1, outc);
					break;
				case iop_y:
					GET_LONG(d_out->dollar.y, pp->str.addr + p_offset);
					if (0 > (int4)d_out->dollar.y)
						d_out->dollar.y = 0;
					if (d_out->length)
						d_out->dollar.y %= d_out->length;
					if (NULL != CURSOR_ADDRESS)
						gtm_tputs(gtm_tparm(CURSOR_ADDRESS, d_out->dollar.y, d_out->dollar.x), 1, outc);
					break;
				case iop_ipchset:
					{
#						ifdef KEEP_zOS_EBCDIC
						if ( (iconv_t)0 != iod->input_conv_cd )
						{
							ICONV_CLOSE_CD(iod->input_conv_cd);
						}
						SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
						if (DEFAULT_CODE_SET != iod->in_code_set)
							ICONV_OPEN_CD(iod->input_conv_cd,
								(char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
#						endif
						break;
					}
				case iop_opchset:
					{
#						ifdef KEEP_zOS_EBCDIC
						if ( (iconv_t)0 != iod->output_conv_cd)
						{
							ICONV_CLOSE_CD(iod->output_conv_cd);
						}
						SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
						if (DEFAULT_CODE_SET != iod->out_code_set)
							ICONV_OPEN_CD(iod->output_conv_cd, INSIDE_CH_SET,
								(char *)(pp->str.addr + p_offset + 1));
#						endif
						break;
					}
			}
			p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
				(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
		}
		temp_ptr = (d_tt_struct *)d_in->dev_sp;
		Tcsetattr(tt_ptr->fildes, TCSANOW, &t, status, save_errno);
		if (0 != status)
			rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_TCSETATTR, 1, tt_ptr->fildes, save_errno);
		temp_ptr->term_ctrl = mask_in;
		memcpy(&temp_ptr->mask_term, &mask_term, SIZEOF(io_termmask));
		if (flush_input)
		{
			TCFLUSH(tt_ptr->fildes, TCIFLUSH, status);
			if (0 != status)
				rts_error_csa(CSA_ARG(NULL) VARLSTCNT(8) ERR_SYSCALL, 5, LIT_AND_LEN("tcflush input"),
					CALLFROM, errno);
		}
	} else if (tt_ptr->mupintr && !dollar_zininterrupt)
	{	/* The interrupted read was not properly resumed so clear it now */
		tt_ptr->mupintr = FALSE;
		tt_ptr->tt_state_save.who_saved = ttwhichinvalid;
		io_find_mvstent(iod, TRUE);	/* clear mv stack entry */
	}
	REVERT_GTMIO_CH(&iod->pair, ch_set);
	return;
}
Ejemplo n.º 4
0
static bool mu_open_try(io_log_name *naml, io_log_name *tl, mval *pp, mval *mspace)
{
	int4		status;
	int4		size;
	mstr		tn;		/* translated name */
	mstr		chset_mstr;
	int		oflag;
	unsigned char	ch;
	int		file_des;
	struct stat	outbuf;
	char		*buf, namebuf[LOGNAME_LEN + 1];
	d_mt_struct	*mt_ptr;
	int		umask_orig, umask_creat;
	int		char_or_block_special;
	int		fstat_res;
	int		save_errno;
	int		p_offset;
	boolean_t	ichset_specified, ochset_specified;

	error_def(ERR_SYSCALL);

	mt_ptr = NULL;
	char_or_block_special = FALSE;
	file_des = -2;
	oflag = 0;
	tn.len = tl->len;
	if (tn.len > LOGNAME_LEN)
		tn.len = LOGNAME_LEN;
	tn.addr = tl->dollar_io;
	memcpy(namebuf, tn.addr, tn.len);
	namebuf[tn.len] = '\0';
	buf = namebuf;
	if (0 == naml->iod)
	{
		if (0 == tl->iod)
		{
			tl->iod =  (io_desc *)malloc(sizeof(io_desc));
			memset((char*)tl->iod, 0, sizeof(io_desc));
			tl->iod->pair.in  = tl->iod;
			tl->iod->pair.out = tl->iod;
			tl->iod->trans_name = tl;
			tl->iod->type = n_io_dev_types;
			p_offset = 0;
			while(iop_eol != *(pp->str.addr + p_offset))
			{
				ch = *(pp->str.addr + p_offset++);
				if (iop_sequential == ch)
					tl->iod->type = rm;

				if (IOP_VAR_SIZE == io_params_size[ch])
					p_offset += *(pp->str.addr + p_offset) + 1;
				else
					p_offset += io_params_size[ch];
			}
		}
		if ((n_io_dev_types == tl->iod->type) && mspace && mspace->str.len)
			tl->iod->type = us;
		if (n_io_dev_types == tl->iod->type)
		{
			if (0 == memvcmp(tn.addr, tn.len, sys_input.addr, sys_input.len))
			{
				file_des = 0;
				FSTAT_FILE(file_des, &outbuf, fstat_res);
				if (-1 == fstat_res)
				{
					save_errno = errno;
					rts_error(VARLSTCNT(8) ERR_SYSCALL, 5,
						  RTS_ERROR_LITERAL("fstat()"),
						  CALLFROM, save_errno);
				}
			} else
			{
				if (0 == memvcmp(tn.addr, tn.len, sys_output.addr, sys_output.len))
				{
					file_des = 1;
					FSTAT_FILE(file_des, &outbuf, fstat_res);
					if (-1 == fstat_res)
					{
						save_errno = errno;
						rts_error(VARLSTCNT(8) ERR_SYSCALL, 5,
							  RTS_ERROR_LITERAL("fstat()"),
							  CALLFROM, save_errno);
					}
				} else  if (0 == memvcmp(tn.addr, tn.len, "/dev/null", 9))
					tl->iod->type = nl;
				else  if ((-1 == Stat(buf, &outbuf)) && (n_io_dev_types == tl->iod->type))
				{

					if (ENOENT == errno)
						tl->iod->type = rm;
					else
					{
						save_errno = errno;
						rts_error(VARLSTCNT(8) ERR_SYSCALL, 5,
							  RTS_ERROR_LITERAL("fstat()"),
							  CALLFROM, save_errno);
					}
				}
			}
		}
		if (n_io_dev_types == tl->iod->type)
		{
			switch(outbuf.st_mode & S_IFMT)
			{
				case S_IFCHR:
				case S_IFBLK:
					char_or_block_special = TRUE;
					break;
				case S_IFIFO:
					tl->iod->type = ff;
					break;
				case S_IFREG:
				case S_IFDIR:
					tl->iod->type = rm;
					break;
				case S_IFSOCK:
				case 0:
					tl->iod->type = ff;
					break;
				default:
					break;
			}
		}
		naml->iod = tl->iod;
	}
	active_device = naml->iod;

	if ((-2 == file_des) && (dev_open != naml->iod->state) && (us != naml->iod->type) && (tcp != naml->iod->type))
	{
		oflag |= (O_RDWR | O_CREAT | O_NOCTTY);
		size = 0;
		p_offset = 0;
		ichset_specified = ochset_specified = FALSE;
		while(iop_eol != *(pp->str.addr + p_offset))
		{
			assert((params) *(pp->str.addr + p_offset) < (params)n_iops);
			switch ((ch = *(pp->str.addr + p_offset++)))
			{
				case iop_allocation:
					if (rm == naml->iod->type)
					{
						GET_LONG(size, pp->str.addr + p_offset);
						size *= 512;
					}
					break;
				case iop_append:
					if (rm == naml->iod->type)
						oflag |= O_APPEND;
					break;
				case iop_contiguous:
					break;
				case iop_newversion:
					if ((dev_open != naml->iod->state) && (rm == naml->iod->type))
						oflag |= O_TRUNC;
					break;
				case iop_readonly:
					oflag  &=  ~(O_RDWR | O_CREAT | O_WRONLY);
					oflag  |=  O_RDONLY;
					break;
				case iop_writeonly:
					oflag  &= ~(O_RDWR | O_RDONLY);
					oflag  |= O_WRONLY | O_CREAT;
					break;
				case iop_ipchset:
#ifdef KEEP_zOS_EBCDIC
					if ( (iconv_t)0 != naml->iod->input_conv_cd )
					{
						ICONV_CLOSE_CD(naml->iod->input_conv_cd);
					}
					SET_CODE_SET(naml->iod->in_code_set,
						     (char *)(pp->str.addr + p_offset + 1));
					if (DEFAULT_CODE_SET != naml->iod->in_code_set)
						ICONV_OPEN_CD(naml->iod->input_conv_cd,
							      (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
					break;
#endif
					if (gtm_utf8_mode)
					{
						chset_mstr.addr = (char *)(pp->str.addr + p_offset + 1);
                                                chset_mstr.len = *(pp->str.addr + p_offset);
						SET_ENCODING(naml->iod->ichset, &chset_mstr);
						ichset_specified = TRUE;
					}
					break;

				case iop_opchset:
#ifdef KEEP_zOS_EBCDIC
					if ( (iconv_t)0 != naml->iod->output_conv_cd)
					{
						ICONV_CLOSE_CD(naml->iod->output_conv_cd);
					}
					SET_CODE_SET(naml->iod->out_code_set,
						     (char *)(pp->str.addr + p_offset + 1));
					if (DEFAULT_CODE_SET != naml->iod->out_code_set)
						ICONV_OPEN_CD(naml->iod->output_conv_cd, INSIDE_CH_SET,
							      (char *)(pp->str.addr + p_offset + 1));
					break;
#endif
					if (gtm_utf8_mode)
					{
                                                chset_mstr.addr = (char *)(pp->str.addr + p_offset + 1);
                                                chset_mstr.len = *(pp->str.addr + p_offset);
                                                SET_ENCODING(naml->iod->ochset, &chset_mstr);
                                                ochset_specified = TRUE;
					}
					break;
				case iop_m:
				case iop_utf8:
				case iop_utf16:
				case iop_utf16be:
				case iop_utf16le:
					if (gtm_utf8_mode)
					{
						naml->iod->ichset = naml->iod->ochset =
							(iop_m       == ch) ? CHSET_M :
							(iop_utf8    == ch) ? CHSET_UTF8 :
							(iop_utf16   == ch) ? CHSET_UTF16 :
							(iop_utf16be == ch) ? CHSET_UTF16BE : CHSET_UTF16LE;
						ichset_specified = ochset_specified = TRUE;
					}
					break;
				default:
					break;
			}
			if (IOP_VAR_SIZE == io_params_size[ch])
				p_offset += *(pp->str.addr + p_offset) + 1;
			else
				p_offset += io_params_size[ch];
		}
		if (!ichset_specified)
			naml->iod->ichset = (gtm_utf8_mode) ? CHSET_UTF8 : CHSET_M;
		if (!ochset_specified)
			naml->iod->ochset = (gtm_utf8_mode) ? CHSET_UTF8 : CHSET_M;
		if (CHSET_M != naml->iod->ichset && CHSET_UTF16 != naml->iod->ichset)
			get_chset_desc(&chset_names[naml->iod->ichset]);
		if (CHSET_M != naml->iod->ochset && CHSET_UTF16 != naml->iod->ochset)
			get_chset_desc(&chset_names[naml->iod->ochset]);
		/* RW permissions for owner and others as determined by umask. */
		umask_orig = umask(000);	/* determine umask (destructive) */
		(void)umask(umask_orig);	/* reset umask */
		umask_creat = 0666 & ~umask_orig;
		/*
		 * the check for EINTR below is valid and should not be converte d to an EINTR
		 * wrapper macro, due to the other errno values being checked.
		 */
		while ((-1 == (file_des = OPEN4(buf, oflag, umask_creat, size))))
		{
			if (   EINTR == errno
			       || ETXTBSY == errno
			       || ENFILE == errno
			       || EBUSY == errno
			       || ((mb == naml->iod->type) && (ENXIO == errno)))
				continue;
			else
				break;
		}

		if (-1 == file_des)
			return FALSE;
	}

	assert (tcp != naml->iod->type);
#ifdef KEEP_zOS_EBCDIC
	SET_CODE_SET(naml->iod->in_code_set, OUTSIDE_CH_SET);
	if (DEFAULT_CODE_SET != naml->iod->in_code_set)
		ICONV_OPEN_CD(naml->iod->input_conv_cd, OUTSIDE_CH_SET, INSIDE_CH_SET);
	SET_CODE_SET(naml->iod->out_code_set, OUTSIDE_CH_SET);
	if (DEFAULT_CODE_SET != naml->iod->out_code_set)
		ICONV_OPEN_CD(naml->iod->output_conv_cd, INSIDE_CH_SET, OUTSIDE_CH_SET);
#endif

	/* smw 99/12/18 not possible to be -1 here */
	if (-1 == file_des)
	{
		rts_error(VARLSTCNT(8) ERR_SYSCALL, 5,
			  RTS_ERROR_LITERAL("open()"),
			  CALLFROM, save_errno);
	}

	if (n_io_dev_types == naml->iod->type)
	{
	        if (isatty(file_des))
			naml->iod->type = tt;
		else if (char_or_block_special && file_des > 2)
			/* assume mag tape */
			naml->iod->type = mt;
		else
			naml->iod->type = rm;
	}
	assert(naml->iod->type < n_io_dev_types);
	naml->iod->disp_ptr = &io_dev_dispatch_mupip[naml->iod->type];
	active_device = naml->iod;
	if (dev_never_opened == naml->iod->state)
	{
		naml->iod->wrap = DEFAULT_IOD_WRAP;
		naml->iod->width = DEFAULT_IOD_WIDTH;
		naml->iod->length = DEFAULT_IOD_LENGTH;
		naml->iod->write_filter = 0; /* MUPIP should not use FILTER */
	}
	if (dev_open != naml->iod->state)
	{
		naml->iod->dollar.x = 0;
		naml->iod->dollar.y = 0;
		naml->iod->dollar.za = 0;
		naml->iod->dollar.zb[0] = 0;
	}
	status = (naml->iod->disp_ptr->open)(naml, pp, file_des, mspace, NO_M_TIMEOUT);
	if (TRUE == status)
		naml->iod->state = dev_open;
	else  if (dev_open == naml->iod->state)
		naml->iod->state = dev_closed;
	if (1 == file_des)
		naml->iod->dollar.zeof = TRUE;
	active_device = 0;

	if (run_time)
		return (status);
	return TRUE;
}
Ejemplo n.º 5
0
void	iorm_use(io_desc *iod, mval *pp)
{
	boolean_t	fstat_done;
	unsigned char	c;
	short		mode, mode1;
	int4		length, width;
	long		size;
	int		fstat_res, save_errno;
	d_rm_struct	*rm_ptr;
	struct stat	statbuf;
	int		p_offset;

	error_def(ERR_DEVPARMNEG);
	error_def(ERR_RMWIDTHPOS);
	error_def(ERR_RMWIDTHTOOBIG);
	error_def(ERR_SYSCALL);

	p_offset = 0;
	rm_ptr = (d_rm_struct *)iod->dev_sp;
	fstat_done = FALSE;
	while (*(pp->str.addr + p_offset) != iop_eol)
	{
		assert((params) *(pp->str.addr + p_offset) < (params)n_iops);
		switch (c = *(pp->str.addr + p_offset++))
		{
		case iop_exception:
			iod->error_handler.len = *(pp->str.addr + p_offset);
			iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
			s2pool(&iod->error_handler);
			break;
		case iop_fixed:
			if (iod->state != dev_open)
				rm_ptr->fixed = TRUE;
			break;
		case iop_nofixed:
			if (iod->state != dev_open)
				rm_ptr->fixed = FALSE;
			break;
		case iop_length:
			GET_LONG(length, (pp->str.addr + p_offset));
			if (length < 0)
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			iod->length = length;
			break;
		case iop_w_protection:
			FSTAT_CHECK;
			mode &= ~(0x07);
			mode |= *(pp->str.addr + p_offset);
			break;
		case iop_g_protection:
			FSTAT_CHECK;
			mode &= ~(0x07 << 3);
			mode |= *(pp->str.addr + p_offset) << 3;
			break;
		case iop_s_protection:
		case iop_o_protection:
			FSTAT_CHECK;
			mode &= ~(0x07 << 6);
			mode |= *(pp->str.addr + p_offset) << 6;
			break;
		case iop_readonly:
			rm_ptr->noread = TRUE;
			break;
		case iop_noreadonly:
			rm_ptr->noread = FALSE;
			break;
		case iop_recordsize:
			GET_LONG(width, (pp->str.addr + p_offset));
			if (width <= 0)
				rts_error(VARLSTCNT(1) ERR_RMWIDTHPOS);
			else if (MAX_STRLEN < width)
				rts_error(VARLSTCNT(1) ERR_RMWIDTHTOOBIG);
			iod->width = width;
			break;
		case iop_rewind:
			if (iod->state == dev_open && !rm_ptr->fifo)
			{
				iorm_flush(iod);
				if (lseek(rm_ptr->fildes, (off_t)0, SEEK_SET) == -1)
					rts_error(VARLSTCNT(1) errno);
				if (fseek(rm_ptr->filstr, (long)0, SEEK_SET) == -1)	/* Rewind the input stream */
					rts_error(VARLSTCNT(1) errno);
				iod->dollar.zeof = FALSE;
				iod->dollar.y = 0;
				iod->dollar.x = 0;
				rm_ptr->lastop = RM_NOOP;
			}
			break;
		case iop_stream:
			rm_ptr->stream = TRUE;
			break;
		case iop_truncate:
			if (!rm_ptr->fifo)
			{
				/* Warning! ftell() returns a long and fseek only accepts a long
				 * as its second argument.  this may cause problems for files longer
				 * the 2Gb.
				 */
				if ((size = ftell(rm_ptr->filstr)) != -1)
				{
					int ftruncate_res;

					if (lseek(rm_ptr->fildes, (off_t)size, SEEK_SET) == -1)
						rts_error(VARLSTCNT(1) errno);
					FTRUNCATE(rm_ptr->fildes, (off_t)size, ftruncate_res);
					if (fseek(rm_ptr->filstr, size, SEEK_SET) == -1)
						rts_error(VARLSTCNT(1) errno);
					iod->dollar.zeof = TRUE;
				}
			}
			break;
		case iop_uic:
			{
				unsigned char	*ch, ct, *end;
				int		chown_res;
				uic_struct	uic;

				ch = (unsigned char *)pp->str.addr + p_offset;
				ct = *ch++;
				end = ch + ct;
				uic.grp = uic.mem = 0;
				while ((*ch != ',') && (ch < end))
					uic.mem = (10 * uic.mem) + (*ch++ - '0');
				if (*ch == ',')
				{
					while (++ch < end)
						uic.grp = (10 * uic.grp) + (*ch - '0');
				}
				CHG_OWNER(iod->trans_name->dollar_io, uic.mem, uic.grp, chown_res);
				if (-1 == chown_res)
					rts_error(VARLSTCNT(1) errno);
				break;
			}
		case iop_width:
			assert(iod->state == dev_open);
			GET_LONG(width, (pp->str.addr + p_offset));
			if (width <= 0)
				rts_error(VARLSTCNT(1) ERR_RMWIDTHPOS);
			else if (MAX_STRLEN < width)
				rts_error(VARLSTCNT(1) ERR_RMWIDTHTOOBIG);
			iod->width = width;
			iod->wrap = TRUE;
			break;
		case iop_wrap:
			iod->wrap = TRUE;
			break;
		case iop_nowrap:
			iod->wrap = FALSE;
			break;
		case iop_ipchset:
			{
				if ( (iconv_t)0 != iod->input_conv_cd )
				{
					ICONV_CLOSE_CD(iod->input_conv_cd);
				}
				SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->in_code_set)
					ICONV_OPEN_CD(iod->input_conv_cd, (char *)(pp->str.addr + p_offset + 1),
												INSIDE_CH_SET);
                        	break;
			}
                case iop_opchset:
			{
				if ( (iconv_t) 0 != iod->output_conv_cd )
				{
					ICONV_CLOSE_CD(iod->output_conv_cd);
				}
				SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->out_code_set)
					ICONV_OPEN_CD(iod->output_conv_cd, INSIDE_CH_SET,
							(char *)(pp->str.addr + p_offset + 1));
                        	break;
			}
		default:
			break;
		}
		p_offset += ((IOP_VAR_SIZE == io_params_size[c]) ?
			(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[c]);
	}
	if (fstat_done && mode != mode1)
	{	/* if the mode has been changed by the qualifiers, reset it */
		if (-1 == CHMOD(iod->trans_name->dollar_io, mode))
			rts_error(VARLSTCNT(1) errno);
	}
	return;
}
Ejemplo n.º 6
0
void ionl_use(io_desc *iod, mval *pp)
{
	unsigned char	ch, len;
	int		fil_type;
	int4		width, length;
	io_desc		*d_in, *d_out;
	mident		tab;
	int		p_offset;

	error_def(ERR_TTINVFILTER);
	error_def(ERR_DEVPARMNEG);

	p_offset = 0;
	d_in = iod->pair.in;
	d_out = iod->pair.out;
	assert(iod->state == dev_open);
	while (*(pp->str.addr + p_offset) != iop_eol)
	{
		switch (ch = *(pp->str.addr + p_offset++))
		{
		case iop_exception:
			iod->error_handler.len = *(pp->str.addr + p_offset);
			iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
			s2pool(&iod->error_handler);
			break;
		case iop_filter:
			memset(&tab, 0, sizeof(mident));
			len = *(pp->str.addr + p_offset);
			memcpy(&tab.c[0], pp->str.addr + p_offset + 1, (len < sizeof(mident) ? len : sizeof(mident)));
			if ((fil_type = namelook(filter_index, filter_names, tab.c)) < 0)
			{
				rts_error(VARLSTCNT(1) ERR_TTINVFILTER);
				return;
			}
			switch (fil_type)
			{
				case 0:
					iod->write_filter |= CHAR_FILTER;
					break;
				case 1:
					iod->write_filter |= ESC1;
					break;
				case 2:
					iod->write_filter &= ~CHAR_FILTER;
					break;
				case 3:
					iod->write_filter &= ~ESC1;
					break;
			}
			break;
		case iop_nofilter:
			iod->write_filter = 0;
			break;
		case iop_length:
			GET_LONG(length, pp->str.addr + p_offset);
			if (length < 0)
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			d_out->length = length;
			break;
		case iop_width:
			GET_LONG(width, pp->str.addr + p_offset);
			if (width < 0)
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			if (width == 0)
			{
				d_out->wrap = FALSE;
				d_out->width = TTDEF_PG_WIDTH;
			}
			else
			{
				d_out->width = width;
				d_out->wrap = TRUE;
			}
			break;
		case iop_wrap:
			d_out->wrap = TRUE;
			break;
		case iop_nowrap:
			d_out->wrap = FALSE;
			break;
		case iop_x:
		{
			int4 col;

			GET_LONG(col, pp->str.addr + p_offset);
			d_out->dollar.x = col;
			if ((d_out->dollar.x) < 0)
				d_out->dollar.x = 0;
			if (d_out->dollar.x > d_out->width && d_out->wrap)
				d_out->dollar.x %= d_out->width;
			break;
		}
		case iop_y:
		{
			int4 row;

			GET_LONG(row, (pp->str.addr + p_offset));
			d_out->dollar.y = row;
			if ((d_out->dollar.y) < 0)
				d_out->dollar.y = 0;
			if (d_out->length)
				d_out->dollar.y %= d_out->length;
			break;
		}
		case iop_ipchset:
			{
				if ( (iconv_t)0 != iod->input_conv_cd )
				{
					ICONV_CLOSE_CD(iod->input_conv_cd);
				}
				SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->in_code_set)
					ICONV_OPEN_CD(iod->input_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
                        	break;
			}
                case iop_opchset:
			{
				if ( (iconv_t) 0 != iod->output_conv_cd )
				{
					ICONV_CLOSE_CD(iod->output_conv_cd);
				}
				SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->out_code_set)
					ICONV_OPEN_CD(iod->output_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
                        	break;
			}
		}
		p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
			(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
	}
	return;
}
Ejemplo n.º 7
0
void	iotcp_use(io_desc *iod, mval *pp)
{
	unsigned char	c;
	int4		length, width;
	d_tcp_struct	*tcpptr, newtcp;
	int		p_offset;

	error_def(ERR_DEVPARMNEG);
	error_def(ERR_RMWIDTHPOS);

#ifdef DEBUG_TCP
	PRINTF("%s >>>\n", __FILE__);
#endif
	p_offset = 0;
	tcpptr = (d_tcp_struct *)iod->dev_sp;
	/* copy existing parameters */
	memcpy(&newtcp, tcpptr, sizeof(d_tcp_struct));
	while (*(pp->str.addr + p_offset) != iop_eol)
	{
		assert((params) *(pp->str.addr + p_offset) < (params) n_iops);
		switch (c = *(pp->str.addr + p_offset++))
		{
		case iop_width:
			GET_LONG(width, pp->str.addr + p_offset);
			if (width == 0)
				newtcp.width = TCPDEF_WIDTH;
			else  if (width > 0)
				newtcp.width = width;
			else
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			break;
		case iop_length:
			GET_LONG(length, pp->str.addr + p_offset);
			if (length == 0)
				newtcp.length = TCPDEF_LENGTH;
			else  if (length > 0)
				newtcp.length = length;
			else
				rts_error(VARLSTCNT(1) ERR_DEVPARMNEG);
			break;
		case iop_urgent:
			newtcp.urgent = TRUE;
			break;
		case iop_nourgent:
			newtcp.urgent = FALSE;
			break;
		case iop_exception:
			iod->error_handler.len = *(pp->str.addr + p_offset);
			iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
			s2pool(&iod->error_handler);
			break;
		case iop_ipchset:
			{
				if ( (iconv_t)0 != iod->input_conv_cd )
				{
					ICONV_CLOSE_CD(iod->input_conv_cd);
				}
				SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->in_code_set)
					ICONV_OPEN_CD(iod->input_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
                        	break;
			}
                case iop_opchset:
			{
				if ( (iconv_t)0 != iod->output_conv_cd )
				{
					ICONV_CLOSE_CD(iod->output_conv_cd);
				}
				SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->out_code_set)
					ICONV_OPEN_CD(iod->output_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
                        	break;
			}
		default:
			break;
		}
		p_offset += ((IOP_VAR_SIZE == io_params_size[c]) ?
			(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[c]);
	}

	/* commit changes */
	memcpy(tcpptr, &newtcp, sizeof(d_tcp_struct));
#ifdef DEBUG_TCP
	PRINTF("%s <<<\n", __FILE__);
#endif
	return;
}
Ejemplo n.º 8
0
void iosocket_close(io_desc *iod, mval *pp)
{
    boolean_t	socket_specified = FALSE;
    unsigned char	ch;
    int		handle_len;
    d_socket_struct	*dsocketptr;
    socket_struct	*socketptr;
    char		sock_handle[MAX_HANDLE_LEN];
    int4		ii, jj, start, end, index;
    int		p_offset = 0;
    boolean_t socket_destroy = FALSE;

    assert(iod->type == gtmsocket);
    dsocketptr = (d_socket_struct *)iod->dev_sp;

    while (iop_eol != (ch = *(pp->str.addr + p_offset++)))
    {
        switch (ch)
        {
        case iop_exception:
            iod->error_handler.len = *(pp->str.addr + p_offset);
            iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
            s2pool(&iod->error_handler);
            break;
        case iop_socket:
            handle_len = (short)(*(pp->str.addr + p_offset));
            assert(handle_len > 0);
            memcpy(sock_handle, (char *)(pp->str.addr + p_offset + 1), handle_len);
            socket_specified = TRUE;
            break;
        case iop_ipchset:
#if defined(KEEP_zOS_EBCDIC) || defined(VMS)
            if ( (iconv_t)0 != iod->input_conv_cd )
            {
                ICONV_CLOSE_CD(iod->input_conv_cd);
            }
            SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
            if (DEFAULT_CODE_SET != iod->in_code_set)
                ICONV_OPEN_CD(iod->input_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
#endif
            break;
        case iop_opchset:
#if defined(KEEP_zOS_EBCDIC) || defined(VMS)
            if ( (iconv_t)0 != iod->output_conv_cd )
            {
                ICONV_CLOSE_CD(iod->output_conv_cd);
            }
            SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
            if (DEFAULT_CODE_SET != iod->out_code_set)
                ICONV_OPEN_CD(iod->output_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
#endif
            break;
        case iop_destroy:
            socket_destroy = TRUE;
            break;
        case iop_nodestroy:
            socket_destroy = FALSE;
            break;
        default:
            break;
        }
        p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
                     (unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
    }
    if (socket_specified)
    {
        if (0 > (index = iosocket_handle(sock_handle, &handle_len, FALSE, dsocketptr)))
        {
            rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SOCKNOTFND, 2, handle_len, sock_handle);
            return;
        }
        start = end = index;
    }
    else
    {
        start = dsocketptr->n_socket - 1;
        end = 0;
    }
    for (ii = start; ii >= end; ii--)
    {
        socketptr = dsocketptr->socket[ii];
        tcp_routines.aa_close(socketptr->sd);
        SOCKET_FREE(socketptr);
        if (dsocketptr->current_socket >= ii)
            dsocketptr->current_socket--;
        for (jj = ii + 1; jj <= dsocketptr->n_socket - 1; jj++)
            dsocketptr->socket[jj - 1] = dsocketptr->socket[jj];
        dsocketptr->n_socket--;
    }
    if (!socket_specified)
    {
        iod->state = dev_closed;
        if (socket_destroy)
        {
            active_device = 0;
            iosocket_destroy(iod);
        }
    }
}
Ejemplo n.º 9
0
void iomb_use(io_desc *iod, mval *pp)
{
	char		*path;
	uint4		status;
	d_mb_struct	*mb_ptr;
	params		ch;
	int		p_offset;

	p_offset = 0;
	iomb_flush(iod);
	mb_ptr = (d_mb_struct *)iod->dev_sp;
	while ( (ch = *(pp->str.addr + p_offset++)) != iop_eol)
	{
		switch (ch)
		{
		case iop_delete:
			if (mb_ptr->prmflg && mb_ptr->del_on_close)
			{
				close(mb_ptr->channel);
				path = iod->trans_name->dollar_io;
				if ((status = UNLINK(path)) == -1)
				rts_error(VARLSTCNT(1) errno);
			}
			break;
		case iop_exception:
			iod->error_handler.len = *(pp->str.addr + p_offset);
			iod->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
			s2pool(&iod->error_handler);
			break;
		case iop_wait:
			mb_ptr->write_mask = 1;
			break;
		case iop_nowait:
			mb_ptr->write_mask = 0;
			break;
		case iop_ipchset:
			{
				if ( (iconv_t)0 != iod->input_conv_cd )
				{
					ICONV_CLOSE_CD(iod->input_conv_cd);
				}
				SET_CODE_SET(iod->in_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->in_code_set)
					ICONV_OPEN_CD(iod->input_conv_cd, (char *)(pp->str.addr + p_offset + 1), INSIDE_CH_SET);
                        	break;
			}
                case iop_opchset:
			{
				if ( (iconv_t) 0 != iod->output_conv_cd )
				{
					ICONV_CLOSE_CD(iod->output_conv_cd);
				}
				SET_CODE_SET(iod->out_code_set, (char *)(pp->str.addr + p_offset + 1));
				if (DEFAULT_CODE_SET != iod->out_code_set)
					ICONV_OPEN_CD(iod->output_conv_cd, INSIDE_CH_SET, (char *)(pp->str.addr + p_offset + 1));
                        	break;
			}
		default:
			break;
		}
		p_offset += ((IOP_VAR_SIZE == io_params_size[*(pp->str.addr + p_offset)]) ?
			(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[*(pp->str.addr + p_offset)]);
	}
}