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/****************************************************************
* *
* Copyright (c) 2001-2024 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <errno.h>
#include "gtm_fcntl.h"
#include "gtm_string.h"
#include "gtm_stdlib.h"
#include "gtm_termios.h"
#include "io.h"
#include "iottdef.h"
#include "io_params.h"
#include "trmdef.h"
#include "gtmio.h"
#include "iott_setterm.h"
#include "stringpool.h"
#include "getcaps.h"
#include "gtm_isanlp.h"
#include "gtm_conv.h"
#include "gtmimagename.h"
#include "error.h"
#include "op.h"
#include "indir_enum.h"
GBLREF int COLUMNS, GTM_LINES, AUTO_RIGHT_MARGIN;
GBLREF uint4 gtm_principal_editing_defaults;
GBLREF io_pair io_std_device;
GBLREF boolean_t gtm_utf8_mode;
LITREF unsigned char io_params_size[];
error_def(ERR_BADCHSET);
error_def(ERR_NOTERMENTRY);
error_def(ERR_NOTERMENV);
error_def(ERR_NOTERMINFODB);
error_def(ERR_TCGETATTR);
error_def(ERR_ZINTRECURSEIO);
short iott_open(io_log_name *dev_name, mval *pp, int fd, mval *mspace, int4 timeout)
{
unsigned char ch;
d_tt_struct *tt_ptr;
io_desc *ioptr;
int status, chset_index;
int save_errno;
int p_offset;
mstr chset_mstr;
gtm_chset_t temp_chset, old_ichset, old_ochset;
boolean_t empt = FALSE, wrap_specified = FALSE, wrap_parm;
boolean_t ch_set;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
ioptr = dev_name->iod;
ESTABLISH_RET_GTMIO_CH(&ioptr->pair, -1, ch_set);
if (ioptr->state == dev_never_opened)
{
dev_name->iod->dev_sp = (void *)malloc(SIZEOF(d_tt_struct) + SIZEOF(struct termios));
memset(dev_name->iod->dev_sp, 0, SIZEOF(d_tt_struct) + SIZEOF(struct termios));
tt_ptr = (d_tt_struct *)dev_name->iod->dev_sp;
tt_ptr->ttio_struct = (struct termios *)((char *)tt_ptr + SIZEOF(d_tt_struct));
tt_ptr->in_buf_sz = TTDEF_BUF_SZ;
tt_ptr->enbld_outofbands.x = 0;
tt_ptr->term_ctrl &= (~TRM_NOECHO);
tt_ptr->ttybuff = (char *)malloc(IOTT_BUFF_LEN);
tt_ptr->default_mask_term = TRUE;
ioptr->ichset = ioptr->ochset = gtm_utf8_mode ? CHSET_UTF8 : CHSET_M; /* default */
}
assert(tt == dev_name->iod->type);
tt_ptr = (d_tt_struct *)dev_name->iod->dev_sp;
if (tt_ptr->mupintr)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_ZINTRECURSEIO);
p_offset = 0;
old_ichset = ioptr->ichset;
old_ochset = ioptr->ochset;
while (*(pp->str.addr + p_offset) != iop_eol)
{
switch (ch = *(pp->str.addr + p_offset++))
{
case iop_exception:
DEF_EXCEPTION(pp, p_offset, ioptr);
break;
case iop_canonical:
tt_ptr->canonical = TRUE;
break;
case iop_nocanonical:
tt_ptr->canonical = FALSE;
break;
case iop_empterm:
empt = TRUE;
break;
case iop_noempterm:
empt = FALSE;
break;
case iop_wrap:
wrap_specified = TRUE;
wrap_parm = TRUE;
break;
case iop_nowrap:
wrap_specified = TRUE;
wrap_parm = FALSE;
break;
case iop_m:
ioptr->ichset = ioptr->ochset = CHSET_M;
break;
case iop_utf8:
if (gtm_utf8_mode)
ioptr->ichset = ioptr->ochset = CHSET_UTF8;
break;
case iop_ipchset:
case iop_opchset:
case iop_chset:
if (gtm_utf8_mode)
{
GET_ADDR_AND_LEN(chset_mstr.addr, chset_mstr.len);
SET_ENCODING(temp_chset, &chset_mstr);
if (IS_UTF16_CHSET(temp_chset)) /* Not allowed for terminals */
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(4) ERR_BADCHSET, 2, chset_mstr.len, chset_mstr.addr);
else if (ch == iop_ipchset)
ioptr->ichset = temp_chset;
else if (ch == iop_opchset)
ioptr->ochset = temp_chset;
else if (ch == iop_chset)
{
ioptr->ichset = temp_chset;
ioptr->ochset = temp_chset;
}
}
break;
}
p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
}
if (ioptr->state != dev_open)
{
int status;
char *env_term;
assert(fd >= 0);
tt_ptr->fildes = fd;
status = tcgetattr(tt_ptr->fildes, tt_ptr->ttio_struct);
if (0 != status)
{
save_errno = errno;
if (gtm_isanlp(tt_ptr->fildes) == 0)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(4) ERR_TCGETATTR, 1, tt_ptr->fildes, save_errno);
}
if (IS_GTM_IMAGE)
/* Only the true runtime runs with the modified terminal settings */
iott_setterm(ioptr);
status = getcaps(tt_ptr->fildes);
if (1 != status)
{
if (status == 0)
{
env_term = GETENV("TERM");
if (!env_term)
{
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_NOTERMENV);
env_term = "unknown";
}
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_NOTERMENTRY, 2, LEN_AND_STR(env_term));
} else
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_NOTERMINFODB);
}
ioptr->width = COLUMNS;
ioptr->length = GTM_LINES;
if (!wrap_specified)
ioptr->wrap = (0 == AUTO_RIGHT_MARGIN) ? FALSE : TRUE; /* defensive programming; till we are absolutely,
* positively certain there are no uses of wrap == TRUE */
else
ioptr->wrap = wrap_parm;
tt_ptr->tbuffp = tt_ptr->ttybuff; /* Buffer is now empty */
tt_ptr->discard_lf = FALSE;
if (!io_std_device.in || io_std_device.in == ioptr->pair.in) /* io_std_device.in not set yet in io_init */
{ /* $PRINCIPAL */
tt_ptr->ext_cap = gtm_principal_editing_defaults;
ioptr->ichset = ioptr->ochset = gtm_utf8_mode ? CHSET_UTF8 : CHSET_M; /* default */
} else
tt_ptr->ext_cap = 0;
if (empt && (ioptr == ioptr->pair.in))
tt_ptr->ext_cap |= TT_EMPTERM;
/* Set terminal mask on the terminal not open, if default_term or if CHSET changes */
if (tt_ptr->default_mask_term || (old_ichset != ioptr->ichset))
{
memset(&tt_ptr->mask_term.mask[0], 0, SIZEOF(io_termmask));
if (CHSET_M != ioptr->ichset)
{
tt_ptr->mask_term.mask[0] = TERM_MSK_UTF8_0;
tt_ptr->mask_term.mask[4] = TERM_MSK_UTF8_4;
} else
tt_ptr->mask_term.mask[0] = TERM_MSK;
tt_ptr->default_mask_term = TRUE;
}
ioptr->state = dev_open;
if ((TT_EDITING & tt_ptr->ext_cap) && !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 */
tt_ptr->recall_width = 0;
}
} else
{
/* Set terminal mask on the already open terminal, if CHSET changes */
if (old_ichset != ioptr->ichset)
{
memset(&tt_ptr->mask_term.mask[0], 0, SIZEOF(io_termmask));
if (CHSET_M != ioptr->ichset)
{
tt_ptr->mask_term.mask[0] = TERM_MSK_UTF8_0;
tt_ptr->mask_term.mask[4] = TERM_MSK_UTF8_4;
} else
tt_ptr->mask_term.mask[0] = TERM_MSK;
tt_ptr->default_mask_term = TRUE;
}
}
REVERT_GTMIO_CH(&ioptr->pair, ch_set);
return TRUE;
}
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