506 lines
15 KiB
C
506 lines
15 KiB
C
/* tportc.c
|
||
Handle a Taylor UUCP port command.
|
||
|
||
Copyright (C) 1992, 1993 Ian Lance Taylor
|
||
|
||
This file is part of the Taylor UUCP uuconf library.
|
||
|
||
This library is free software; you can redistribute it and/or
|
||
modify it under the terms of the GNU Library General Public License
|
||
as published by the Free Software Foundation; either version 2 of
|
||
the License, or (at your option) any later version.
|
||
|
||
This library is distributed in the hope that it will be useful, but
|
||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
Library General Public License for more details.
|
||
|
||
You should have received a copy of the GNU Library General Public
|
||
License along with this library; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
||
The author of the program may be contacted at ian@airs.com or
|
||
c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
|
||
*/
|
||
|
||
#include "uucnfi.h"
|
||
|
||
#if USE_RCS_ID
|
||
const char _uuconf_tportc_rcsid[] = "$Id: tportc.c,v 1.3 1995/08/24 05:22:14 jtc Exp $";
|
||
#endif
|
||
|
||
#include <errno.h>
|
||
|
||
static int ipproto_param P((pointer pglobal, int argc, char **argv,
|
||
pointer pvar, pointer pinfo));
|
||
static int ipbaud_range P((pointer pglobal, int argc, char **argv,
|
||
pointer pvar, pointer pinfo));
|
||
static int ipdialer P((pointer pglobal, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
static int ipcunknown P((pointer pglobal, int argc, char **argv,
|
||
pointer pvar, pointer pinfo));
|
||
|
||
/* The string names of the port types. This array corresponds to the
|
||
uuconf_porttype enumeration. */
|
||
|
||
static const char * const azPtype_names[] =
|
||
{
|
||
NULL,
|
||
"stdin",
|
||
"modem",
|
||
"direct",
|
||
"tcp",
|
||
"tli",
|
||
"pipe"
|
||
};
|
||
|
||
#define CPORT_TYPES (sizeof azPtype_names / sizeof azPtype_names[0])
|
||
|
||
/* The command table for generic port commands. The "port" and "type"
|
||
commands are handled specially. */
|
||
static const struct cmdtab_offset asPort_cmds[] =
|
||
{
|
||
{ "protocol", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_zprotocols), NULL },
|
||
{ "protocol-parameter", UUCONF_CMDTABTYPE_FN | 0,
|
||
offsetof (struct uuconf_port, uuconf_qproto_params), ipproto_param },
|
||
{ "seven-bit", UUCONF_CMDTABTYPE_FN | 2,
|
||
offsetof (struct uuconf_port, uuconf_ireliable), _uuconf_iseven_bit },
|
||
{ "reliable", UUCONF_CMDTABTYPE_FN | 2,
|
||
offsetof (struct uuconf_port, uuconf_ireliable), _uuconf_ireliable },
|
||
{ "half-duplex", UUCONF_CMDTABTYPE_FN | 2,
|
||
offsetof (struct uuconf_port, uuconf_ireliable),
|
||
_uuconf_ihalf_duplex },
|
||
{ "lockname", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_zlockname), NULL },
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CPORT_CMDS (sizeof asPort_cmds / sizeof asPort_cmds[0])
|
||
|
||
/* The stdin port command table. */
|
||
static const struct cmdtab_offset asPstdin_cmds[] =
|
||
{
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CSTDIN_CMDS (sizeof asPstdin_cmds / sizeof asPstdin_cmds[0])
|
||
|
||
/* The modem port command table. */
|
||
static const struct cmdtab_offset asPmodem_cmds[] =
|
||
{
|
||
{ "device", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_zdevice),
|
||
NULL },
|
||
{ "baud", UUCONF_CMDTABTYPE_LONG,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_ibaud),
|
||
NULL },
|
||
{ "speed", UUCONF_CMDTABTYPE_LONG,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_ibaud),
|
||
NULL },
|
||
{ "baud-range", UUCONF_CMDTABTYPE_FN | 3,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem), ipbaud_range },
|
||
{ "speed-range", UUCONF_CMDTABTYPE_FN | 3,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem), ipbaud_range },
|
||
{ "carrier", UUCONF_CMDTABTYPE_BOOLEAN,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_fcarrier),
|
||
NULL },
|
||
{ "hardflow", UUCONF_CMDTABTYPE_BOOLEAN,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_fhardflow),
|
||
NULL },
|
||
{ "dial-device", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port,
|
||
uuconf_u.uuconf_smodem.uuconf_zdial_device),
|
||
NULL },
|
||
{ "dialer", UUCONF_CMDTABTYPE_FN | 0,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem), ipdialer },
|
||
{ "dialer-sequence", UUCONF_CMDTABTYPE_FULLSTRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_smodem.uuconf_pzdialer),
|
||
NULL },
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CMODEM_CMDS (sizeof asPmodem_cmds / sizeof asPmodem_cmds[0])
|
||
|
||
/* The direct port command table. */
|
||
static const struct cmdtab_offset asPdirect_cmds[] =
|
||
{
|
||
{ "device", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_sdirect.uuconf_zdevice),
|
||
NULL },
|
||
{ "baud", UUCONF_CMDTABTYPE_LONG,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_sdirect.uuconf_ibaud),
|
||
NULL },
|
||
{ "speed", UUCONF_CMDTABTYPE_LONG,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_sdirect.uuconf_ibaud),
|
||
NULL },
|
||
{ "carrier", UUCONF_CMDTABTYPE_BOOLEAN,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_sdirect.uuconf_fcarrier),
|
||
NULL },
|
||
{ "hardflow", UUCONF_CMDTABTYPE_BOOLEAN,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_sdirect.uuconf_fhardflow),
|
||
NULL },
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CDIRECT_CMDS (sizeof asPdirect_cmds / sizeof asPdirect_cmds[0])
|
||
|
||
/* The TCP port command table. */
|
||
static const struct cmdtab_offset asPtcp_cmds[] =
|
||
{
|
||
{ "service", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stcp.uuconf_zport),
|
||
NULL },
|
||
{ "dialer-sequence", UUCONF_CMDTABTYPE_FULLSTRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stcp.uuconf_pzdialer),
|
||
NULL },
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CTCP_CMDS (sizeof asPtcp_cmds / sizeof asPtcp_cmds[0])
|
||
|
||
/* The TLI port command table. */
|
||
static const struct cmdtab_offset asPtli_cmds[] =
|
||
{
|
||
{ "device", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stli.uuconf_zdevice),
|
||
NULL },
|
||
{ "stream", UUCONF_CMDTABTYPE_BOOLEAN,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stli.uuconf_fstream),
|
||
NULL },
|
||
{ "push", UUCONF_CMDTABTYPE_FULLSTRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stli.uuconf_pzpush),
|
||
NULL },
|
||
{ "dialer-sequence", UUCONF_CMDTABTYPE_FULLSTRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stli.uuconf_pzdialer),
|
||
NULL },
|
||
{ "server-address", UUCONF_CMDTABTYPE_STRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_stli.uuconf_zservaddr),
|
||
NULL },
|
||
{ NULL, 0, 0, NULL }
|
||
};
|
||
|
||
#define CTLI_CMDS (sizeof asPtli_cmds / sizeof asPtli_cmds[0])
|
||
|
||
/* The pipe port command table. */
|
||
static const struct cmdtab_offset asPpipe_cmds[] =
|
||
{
|
||
{ "command", UUCONF_CMDTABTYPE_FULLSTRING,
|
||
offsetof (struct uuconf_port, uuconf_u.uuconf_spipe.uuconf_pzcmd),
|
||
NULL },
|
||
{ NULL, 0, 0, NULL}
|
||
};
|
||
|
||
#define CPIPE_CMDS (sizeof asPpipe_cmds / sizeof asPpipe_cmds[0])
|
||
|
||
#undef max
|
||
#define max(i1, i2) ((i1) > (i2) ? (i1) : (i2))
|
||
#define CCMDS \
|
||
max (max (max (CPORT_CMDS, CSTDIN_CMDS), CMODEM_CMDS), \
|
||
max (max (CDIRECT_CMDS, CTCP_CMDS), max (CTLI_CMDS, CPIPE_CMDS)))
|
||
|
||
/* Handle a command passed to a port from a Taylor UUCP configuration
|
||
file. This can be called when reading either the port file or the
|
||
sys file. The return value may have UUCONF_CMDTABRET_KEEP set, but
|
||
not UUCONF_CMDTABRET_EXIT. It assigns values to the elements of
|
||
qport. The first time this is called, qport->uuconf_zname and
|
||
qport->uuconf_palloc should be set and qport->uuconf_ttype should
|
||
be UUCONF_PORTTYPE_UNKNOWN. */
|
||
|
||
int
|
||
_uuconf_iport_cmd (qglobal, argc, argv, qport)
|
||
struct sglobal *qglobal;
|
||
int argc;
|
||
char **argv;
|
||
struct uuconf_port *qport;
|
||
{
|
||
boolean fgottype;
|
||
const struct cmdtab_offset *qcmds;
|
||
size_t ccmds;
|
||
struct uuconf_cmdtab as[CCMDS];
|
||
int i;
|
||
int iret;
|
||
|
||
fgottype = strcasecmp (argv[0], "type") == 0;
|
||
|
||
if (fgottype || qport->uuconf_ttype == UUCONF_PORTTYPE_UNKNOWN)
|
||
{
|
||
enum uuconf_porttype ttype;
|
||
|
||
/* We either just got a "type" command, or this is an
|
||
uninitialized port. If the first command to a port is not
|
||
"type", it is assumed to be a modem port. This
|
||
implementation will actually permit "type" at any point, but
|
||
will effectively discard any type specific information that
|
||
appears before the "type" command. This supports defaults,
|
||
in that the default may be of a specific type while future
|
||
ports in the same file may be of other types. */
|
||
if (! fgottype)
|
||
ttype = UUCONF_PORTTYPE_MODEM;
|
||
else
|
||
{
|
||
if (argc != 2)
|
||
return UUCONF_SYNTAX_ERROR;
|
||
|
||
for (i = 0; i < CPORT_TYPES; i++)
|
||
if (azPtype_names[i] != NULL
|
||
&& strcasecmp (argv[1], azPtype_names[i]) == 0)
|
||
break;
|
||
|
||
if (i >= CPORT_TYPES)
|
||
return UUCONF_SYNTAX_ERROR;
|
||
|
||
ttype = (enum uuconf_porttype) i;
|
||
}
|
||
|
||
qport->uuconf_ttype = ttype;
|
||
|
||
switch (ttype)
|
||
{
|
||
default:
|
||
case UUCONF_PORTTYPE_STDIN:
|
||
break;
|
||
case UUCONF_PORTTYPE_MODEM:
|
||
qport->uuconf_u.uuconf_smodem.uuconf_zdevice = NULL;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_zdial_device = NULL;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_ibaud = 0L;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_ilowbaud = 0L;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_ihighbaud = 0L;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_fcarrier = TRUE;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_fhardflow = TRUE;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_pzdialer = NULL;
|
||
qport->uuconf_u.uuconf_smodem.uuconf_qdialer = NULL;
|
||
break;
|
||
case UUCONF_PORTTYPE_DIRECT:
|
||
qport->uuconf_u.uuconf_sdirect.uuconf_zdevice = NULL;
|
||
qport->uuconf_u.uuconf_sdirect.uuconf_ibaud = -1;
|
||
qport->uuconf_u.uuconf_sdirect.uuconf_fcarrier = FALSE;
|
||
qport->uuconf_u.uuconf_sdirect.uuconf_fhardflow = TRUE;
|
||
break;
|
||
case UUCONF_PORTTYPE_TCP:
|
||
qport->uuconf_u.uuconf_stcp.uuconf_zport = (char *) "uucp";
|
||
qport->uuconf_u.uuconf_stcp.uuconf_pzdialer = NULL;
|
||
qport->uuconf_ireliable = (UUCONF_RELIABLE_SPECIFIED
|
||
| UUCONF_RELIABLE_ENDTOEND
|
||
| UUCONF_RELIABLE_RELIABLE
|
||
| UUCONF_RELIABLE_EIGHT
|
||
| UUCONF_RELIABLE_FULLDUPLEX);
|
||
break;
|
||
case UUCONF_PORTTYPE_TLI:
|
||
qport->uuconf_u.uuconf_stli.uuconf_zdevice = NULL;
|
||
qport->uuconf_u.uuconf_stli.uuconf_fstream = FALSE;
|
||
qport->uuconf_u.uuconf_stli.uuconf_pzpush = NULL;
|
||
qport->uuconf_u.uuconf_stli.uuconf_pzdialer = NULL;
|
||
qport->uuconf_u.uuconf_stli.uuconf_zservaddr = NULL;
|
||
qport->uuconf_ireliable = (UUCONF_RELIABLE_SPECIFIED
|
||
| UUCONF_RELIABLE_ENDTOEND
|
||
| UUCONF_RELIABLE_RELIABLE
|
||
| UUCONF_RELIABLE_EIGHT
|
||
| UUCONF_RELIABLE_FULLDUPLEX);
|
||
break;
|
||
case UUCONF_PORTTYPE_PIPE:
|
||
qport->uuconf_u.uuconf_spipe.uuconf_pzcmd = NULL;
|
||
break;
|
||
}
|
||
|
||
if (fgottype)
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* See if this command is one of the generic ones. */
|
||
qcmds = asPort_cmds;
|
||
ccmds = CPORT_CMDS;
|
||
|
||
for (i = 0; i < CPORT_CMDS - 1; i++)
|
||
if (strcasecmp (argv[0], asPort_cmds[i].zcmd) == 0)
|
||
break;
|
||
|
||
if (i >= CPORT_CMDS - 1)
|
||
{
|
||
/* It's not a generic command, so we must check the type
|
||
specific commands. */
|
||
switch (qport->uuconf_ttype)
|
||
{
|
||
case UUCONF_PORTTYPE_STDIN:
|
||
qcmds = asPstdin_cmds;
|
||
ccmds = CSTDIN_CMDS;
|
||
break;
|
||
case UUCONF_PORTTYPE_MODEM:
|
||
qcmds = asPmodem_cmds;
|
||
ccmds = CMODEM_CMDS;
|
||
break;
|
||
case UUCONF_PORTTYPE_DIRECT:
|
||
qcmds = asPdirect_cmds;
|
||
ccmds = CDIRECT_CMDS;
|
||
break;
|
||
case UUCONF_PORTTYPE_TCP:
|
||
qcmds = asPtcp_cmds;
|
||
ccmds = CTCP_CMDS;
|
||
break;
|
||
case UUCONF_PORTTYPE_TLI:
|
||
qcmds = asPtli_cmds;
|
||
ccmds = CTLI_CMDS;
|
||
break;
|
||
case UUCONF_PORTTYPE_PIPE:
|
||
qcmds = asPpipe_cmds;
|
||
ccmds = CPIPE_CMDS;
|
||
break;
|
||
default:
|
||
return UUCONF_SYNTAX_ERROR;
|
||
}
|
||
}
|
||
|
||
/* Copy the command table onto the stack and modify it to point to
|
||
qport. */
|
||
_uuconf_ucmdtab_base (qcmds, ccmds, (char *) qport, as);
|
||
|
||
iret = uuconf_cmd_args ((pointer) qglobal, argc, argv, as,
|
||
(pointer) qport, ipcunknown, 0,
|
||
qport->uuconf_palloc);
|
||
|
||
return iret &~ UUCONF_CMDTABRET_EXIT;
|
||
}
|
||
|
||
/* Handle the "protocol-parameter" command. */
|
||
|
||
static int
|
||
ipproto_param (pglobal, argc, argv, pvar, pinfo)
|
||
pointer pglobal;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
struct sglobal *qglobal = (struct sglobal *) pglobal;
|
||
struct uuconf_proto_param **pqparam = (struct uuconf_proto_param **) pvar;
|
||
struct uuconf_port *qport = (struct uuconf_port *) pinfo;
|
||
|
||
return _uuconf_iadd_proto_param (qglobal, argc - 1, argv + 1, pqparam,
|
||
qport->uuconf_palloc);
|
||
}
|
||
|
||
/* Handle the "baud-range" command. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
ipbaud_range (pglobal, argc, argv, pvar, pinfo)
|
||
pointer pglobal;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
struct sglobal *qglobal = (struct sglobal *) pglobal;
|
||
struct uuconf_modem_port *qmodem = (struct uuconf_modem_port *) pvar;
|
||
int iret;
|
||
|
||
iret = _uuconf_iint (qglobal, argv[1],
|
||
(pointer) &qmodem->uuconf_ilowbaud, FALSE);
|
||
if ((iret &~ UUCONF_CMDTABRET_KEEP) != UUCONF_SUCCESS)
|
||
return iret;
|
||
|
||
iret |= _uuconf_iint (qglobal, argv[2],
|
||
(pointer) &qmodem->uuconf_ihighbaud, FALSE);
|
||
|
||
return iret;
|
||
}
|
||
|
||
/* Handle the "dialer" command. If there is one argument, this names
|
||
a dialer. Otherwise, the remaining arguments form a command
|
||
describing the dialer. */
|
||
|
||
static int
|
||
ipdialer (pglobal, argc, argv, pvar, pinfo)
|
||
pointer pglobal;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
struct sglobal *qglobal = (struct sglobal *) pglobal;
|
||
struct uuconf_modem_port *qmodem = (struct uuconf_modem_port *) pvar;
|
||
struct uuconf_port *qport = (struct uuconf_port *) pinfo;
|
||
int iret;
|
||
|
||
if (argc < 2)
|
||
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
|
||
|
||
if (argc > 2)
|
||
{
|
||
if (qmodem->uuconf_qdialer == NULL)
|
||
{
|
||
struct uuconf_dialer *qnew;
|
||
size_t clen;
|
||
|
||
qnew = ((struct uuconf_dialer *)
|
||
uuconf_malloc (qport->uuconf_palloc,
|
||
sizeof (struct uuconf_dialer)));
|
||
if (qnew == NULL)
|
||
{
|
||
qglobal->ierrno = errno;
|
||
return (UUCONF_MALLOC_FAILED
|
||
| UUCONF_ERROR_ERRNO
|
||
| UUCONF_CMDTABRET_EXIT);
|
||
}
|
||
|
||
_uuconf_uclear_dialer (qnew);
|
||
|
||
if (qport->uuconf_zname == NULL)
|
||
qnew->uuconf_zname = (char *) "default port file dialer";
|
||
else
|
||
{
|
||
clen = strlen (qport->uuconf_zname);
|
||
qnew->uuconf_zname =
|
||
(char *) uuconf_malloc (qport->uuconf_palloc,
|
||
clen + sizeof " dialer");
|
||
if (qnew->uuconf_zname == NULL)
|
||
{
|
||
qglobal->ierrno = errno;
|
||
return (UUCONF_MALLOC_FAILED
|
||
| UUCONF_ERROR_ERRNO
|
||
| UUCONF_CMDTABRET_EXIT);
|
||
}
|
||
|
||
memcpy ((pointer) qnew->uuconf_zname,
|
||
(pointer) qport->uuconf_zname, clen);
|
||
memcpy ((pointer) (qnew->uuconf_zname + clen),
|
||
(pointer) " dialer", sizeof " dialer");
|
||
}
|
||
|
||
qnew->uuconf_palloc = qport->uuconf_palloc;
|
||
|
||
qmodem->uuconf_qdialer = qnew;
|
||
}
|
||
|
||
iret = _uuconf_idialer_cmd (qglobal, argc - 1, argv + 1,
|
||
qmodem->uuconf_qdialer);
|
||
if ((iret &~ UUCONF_CMDTABRET_KEEP) != UUCONF_SUCCESS)
|
||
iret |= UUCONF_CMDTABRET_EXIT;
|
||
return iret;
|
||
}
|
||
else
|
||
{
|
||
qmodem->uuconf_pzdialer = NULL;
|
||
iret = _uuconf_iadd_string (qglobal, argv[1], TRUE, FALSE,
|
||
&qmodem->uuconf_pzdialer,
|
||
qport->uuconf_palloc);
|
||
if (iret != UUCONF_SUCCESS)
|
||
iret |= UUCONF_CMDTABRET_EXIT;
|
||
return iret;
|
||
}
|
||
}
|
||
|
||
/* Give an error for an unknown port command. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
ipcunknown (pglobal, argc, argv, pvar, pinfo)
|
||
pointer pglobal;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
|
||
}
|