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386BSD 0.1 development
[unix-history] / usr / src / libexec / uucp / prtinf.c
/* prtinf.c
Routines to gather information about ports and dialers from
configuration files.
Copyright (C) 1991, 1992 Ian Lance Taylor
This file is part of the Taylor UUCP package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o AIRS, P.O. Box 520, Waltham, MA 02254.
$Log: prtinf.c,v $
Revision 1.20 1992/04/02 22:51:09 ian
Add gcc 2.0 format checking to ulog, and fixed discovered problems
Revision 1.19 1992/03/28 21:47:55 ian
David J. MacKenzie: allow backslash to quote newline in config files
Revision 1.18 1992/03/10 21:47:39 ian
Added protocol command for ports
Revision 1.17 1992/03/08 04:56:21 ian
Peter da Silva: added ``lockname'' command for ports
Revision 1.16 1992/03/03 06:06:48 ian
T. William Wells: don't complain about missing configuration files
Revision 1.15 1992/02/08 03:54:18 ian
Include <string.h> only in <uucp.h>, added 1992 copyright
Revision 1.14 1992/01/14 04:04:17 ian
Chip Salzenberg: strcmp is a macro on AIX
Revision 1.13 1992/01/11 17:11:11 ian
Hannu Strang: avoid compiler bug by not using -> in address constant
Revision 1.12 1991/12/22 20:57:57 ian
Added externs for strcasecmp or strncasecmp
Revision 1.11 1991/12/17 23:14:08 ian
T. William Wells: allow dialer complete and abort to be chat scripts
Revision 1.10 1991/12/17 17:08:02 ian
Marc Unangst: allow true and false for boolean strings as documented
Revision 1.9 1991/12/15 03:42:33 ian
Added tprocess_chat_cmd for all chat commands, and added CMDTABTYPE_PREFIX
Revision 1.8 1991/12/09 18:26:33 ian
Richard Todd: handle "#" command generated by multiple dialer files
Revision 1.7 1991/12/02 21:25:36 ian
Niels Baggesen: protocol-parameter for ports and dialers didn't work
Revision 1.6 1991/11/30 22:55:03 ian
Marty Shannon: blew up if more than one port in port file!
Revision 1.5 1991/11/14 03:20:13 ian
Added seven-bit and reliable commands to help when selecting protocols
Revision 1.4 1991/11/13 20:38:00 ian
Added TCP port type for connections over TCP
Revision 1.3 1991/11/11 23:47:24 ian
Added chat-program to run a program to do a chat script
Revision 1.2 1991/11/11 16:59:05 ian
Eliminate fread_port_info, allow NULL pflock arg to ffind_port
Revision 1.1 1991/09/10 19:40:31 ian
Initial revision
*/
#include "uucp.h"
#if USE_RCS_ID
char prtinf_rcsid[] = "$Id: prtinf.c,v 1.20 1992/04/02 22:51:09 ian Rel $";
#endif
#include <ctype.h>
#include "port.h"
/* External functions. */
extern int strcasecmp ();
\f
/* Ports are defined in a file. This file has to be both flexible and
easy to use. The format is described in a separate documentation
file. */
\f
#if HAVE_TAYLOR_CONFIG
/* The string names of the port types. This array corresponds to the
tporttype enumeration. */
static const char *azPtype_names[] =
{
"stdin",
"modem",
"direct",
#if HAVE_TCP
"tcp",
#endif
};
#define CPORT_TYPES (sizeof azPtype_names / sizeof azPtype_names[0])
\f
/* The port structure used by the command tables. */
static struct sport sPort;
/* The generic port command table. */
static enum tcmdtabret tpexit P((int argc, char **argv, pointer pvar,
const char *zerr));
static enum tcmdtabret tpdup_type P((int argc, char **argv,
pointer pvar, const char *zerr));
static enum tcmdtabret tpproto_param P((int argc, char **argv,
pointer pvar, const char *zerr));
static enum tcmdtabret tpseven_bit P((int argc, char **argv,
pointer pvar, const char *zerr));
static enum tcmdtabret tpreliable P((int argc, char **argv,
pointer pvar, const char *zerr));
static struct scmdtab asPort_cmds[] =
{
{ "type", CMDTABTYPE_FN | 2, NULL, tpdup_type },
{ "protocol", CMDTABTYPE_STRING, (pointer) &sPort.zprotocols, NULL },
{ "protocol-parameter", CMDTABTYPE_FN | 0, NULL, tpproto_param },
{ "seven-bit", CMDTABTYPE_FN | 2, (pointer) &sPort.ireliable,
tpseven_bit },
{ "reliable", CMDTABTYPE_FN | 2, (pointer) &sPort.ireliable,
tpreliable },
{ "lockname", CMDTABTYPE_STRING, (pointer) &sPort.zlockname, NULL },
{ NULL, 0, NULL, NULL }
};
#define CPORT_CMDS (sizeof asPort_cmds / sizeof asPort_cmds[0])
/* The stdin port command table. */
static struct scmdtab asPstdin_cmds[] =
{
#ifdef SYSDEP_STDIN_CMDS
SYSDEP_STDIN_CMDS (sPort.u.sstdin.s),
#endif
{ NULL, 0, NULL, NULL }
};
#define CSTDIN_CMDS (sizeof asPstdin_cmds / sizeof asPstdin_cmds[0])
/* The modem port command table. */
static enum tcmdtabret tpdialer P((int argc, char **argv, pointer pvar,
const char *zerr));
static enum tcmdtabret tpbaud_range P((int argc, char **argv,
pointer pvar,
const char *zerr));
static struct scmdtab asPmodem_cmds[] =
{
{ "device", CMDTABTYPE_STRING, (pointer) &sPort.u.smodem.zdevice, NULL },
{ "baud", CMDTABTYPE_LONG, (pointer) &sPort.u.smodem.ibaud, NULL },
{ "speed", CMDTABTYPE_LONG, (pointer) &sPort.u.smodem.ibaud, NULL },
{ "baud-range", CMDTABTYPE_FN | 3, NULL, tpbaud_range },
{ "speed-range", CMDTABTYPE_FN | 3, NULL, tpbaud_range },
{ "carrier", CMDTABTYPE_BOOLEAN, (pointer) &sPort.u.smodem.fcarrier, NULL },
{ "dial-device", CMDTABTYPE_STRING, (pointer) &sPort.u.smodem.zdial_device,
NULL },
{ "dialer", CMDTABTYPE_FN | 0, (pointer) &sPort.u.smodem.qdialer,
tpdialer },
{ "dialer-sequence", CMDTABTYPE_FULLSTRING,
(pointer) &sPort.u.smodem.zdialer, NULL },
#ifdef SYSDEP_MODEM_CMDS
SYSDEP_MODEM_CMDS (sPort.u.smodem.s);
#endif
{ NULL, 0, NULL, NULL }
};
#define CMODEM_CMDS (sizeof asPmodem_cmds / sizeof asPmodem_cmds[0])
/* The direct port command table. */
static struct scmdtab asPdirect_cmds[] =
{
{ "device", CMDTABTYPE_STRING, (pointer) &sPort.u.sdirect.zdevice, NULL },
{ "baud", CMDTABTYPE_LONG, (pointer) &sPort.u.sdirect.ibaud, NULL },
{ "speed", CMDTABTYPE_LONG, (pointer) &sPort.u.sdirect.ibaud, NULL },
#ifdef SYSDEP_DIRECT_CMDS
SYSDEP_DIRECT_CMDS (sPort.u.sdirect.s);
#endif
{ NULL, 0, NULL, NULL }
};
#define CDIRECT_CMDS (sizeof asPdirect_cmds / sizeof asPdirect_cmds[0])
#if HAVE_TCP
/* The TCP port command table. */
static struct scmdtab asPtcp_cmds[] =
{
{ "service", CMDTABTYPE_STRING, (pointer) &sPort.u.stcp.zport, NULL },
{ NULL, 0, NULL, NULL }
};
#define CTCP_CMDS (sizeof asPtcp_cmds / sizeof asPtcp_cmds[0])
#else /* ! HAVE_TCP */
#define CTCP_CMDS (0)
#endif /* ! HAVE_TCP */
\f
/* A little routine to exit when another port command is seen. This
will cause confusion if somebody types ``port port foo'' in the
system file. */
/*ARGSUSED*/
static enum tcmdtabret
tpexit (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
return CMDTABRET_EXIT;
}
/* A little routine to give a warning about duplicate type commands. */
/*ARGSUSED*/
static enum tcmdtabret
tpdup_type (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
ulog (LOG_ERROR, "%s: type: Ignoring extraneous command", zerr);
return CMDTABRET_FREE;
}
/* Handle protocol parameter settings for ports. */
/*ARGSUSED*/
static enum tcmdtabret
tpproto_param (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
return tadd_proto_param (&sPort.cproto_params, &sPort.qproto_params,
zerr, argc - 1, argv + 1);
}
/* Handle the ``seven-bit'' command for ports or dialers. */
/*ARGSUSED*/
static enum tcmdtabret
tpseven_bit (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
char b;
boolean fset;
int *pi = (int *) pvar;
b = argv[1][0];
if (b == 'y' || b == 'Y' || b == 't' || b == 'T')
fset = TRUE;
else if (b == 'n' || b == 'N' || b == 'f' || b == 'F')
fset = FALSE;
else
{
ulog (LOG_ERROR, "%s: %s: %s: Bad boolean", zerr, argv[0], argv[1]);
return CMDTABRET_FREE;
}
*pi |= RELIABLE_SPECIFIED;
if (fset)
*pi |= RELIABLE_EIGHT;
else
*pi &=~ RELIABLE_EIGHT;
return CMDTABRET_FREE;
}
/* Handle the ``reliable'' command for ports or dialers. */
/*ARGSUSED*/
static enum tcmdtabret
tpreliable (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
char b;
boolean fset;
int *pi = (int *) pvar;
b = argv[1][0];
if (b == 'y' || b == 'Y' || b == 't' || b == 'T')
fset = TRUE;
else if (b == 'n' || b == 'N' || b == 'f' || b == 'F')
fset = FALSE;
else
{
ulog (LOG_ERROR, "%s: %s: %s: Bad boolean", zerr, argv[0], argv[1]);
return CMDTABRET_FREE;
}
*pi |= RELIABLE_SPECIFIED;
if (fset)
*pi |= RELIABLE_RELIABLE;
else
*pi &=~ RELIABLE_RELIABLE;
return CMDTABRET_FREE;
}
\f
/* Handle the ``baud-range'' command for a modem port. */
/*ARGSUSED*/
static enum tcmdtabret
tpbaud_range (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
/* This should do more error checking. */
sPort.u.smodem.ilowbaud = atol (argv[1]);
sPort.u.smodem.ihighbaud = atol (argv[2]);
return CMDTABRET_FREE;
}
\f
/* Process a port command found while reading the system information
file. */
enum tcmdtabret
tprocess_port_cmd (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
struct sport **pqport = (struct sport **) pvar;
enum tcmdtabret tret;
const struct scmdtab *qcmds;
int i;
if (*pqport == NULL)
{
enum tporttype ttype;
struct sport *qnew;
boolean fgottype;
if (strcasecmp (argv[0], "type") != 0)
{
ttype = PORTTYPE_MODEM;
fgottype = FALSE;
}
else
{
if (argc != 2)
{
ulog (LOG_ERROR, "%s: port type: Wrong number of arguments",
zerr);
return CMDTABRET_FREE;
}
for (i = 0; i < CPORT_TYPES; i++)
if (strcasecmp (argv[1], azPtype_names[i]) == 0)
break;
if (i >= CPORT_TYPES)
{
ulog (LOG_ERROR, "%s: Unknown port type", zerr);
return CMDTABRET_FREE;
}
ttype = (enum tporttype) i;
fgottype = TRUE;
}
qnew = (struct sport *) xmalloc (sizeof (struct sport));
qnew->zname = NULL;
qnew->ttype = ttype;
qnew->zprotocols = NULL;
qnew->cproto_params = 0;
qnew->qproto_params = NULL;
qnew->zlockname = NULL;
/* Note that we do not set RELIABLE_SPECIFIED; this just sets
defaults, so that ``seven-bit true'' does not imply
``reliable false''. */
qnew->ireliable = RELIABLE_RELIABLE | RELIABLE_EIGHT;
switch (ttype)
{
case PORTTYPE_STDIN:
#ifdef SYSDEP_STDIN_INIT
SYSDEP_STDIN_INIT (&qnew->u.sstdin.s);
#endif
break;
case PORTTYPE_MODEM:
qnew->u.smodem.zdevice = NULL;
qnew->u.smodem.zdial_device = NULL;
qnew->u.smodem.ibaud = 0L;
qnew->u.smodem.ilowbaud = 0L;
qnew->u.smodem.ihighbaud = 0L;
qnew->u.smodem.fcarrier = TRUE;
qnew->u.smodem.zdialer = NULL;
qnew->u.smodem.qdialer = NULL;
#ifdef SYSDEP_MODEM_INIT
SYSDEP_MODEM_INIT (&qnew->u.smodem.s);
#endif
break;
case PORTTYPE_DIRECT:
qnew->u.sdirect.zdevice = NULL;
qnew->u.sdirect.ibaud = -1;
#ifdef SYSDEP_DIRECT_INIT
SYSDEP_DIRECT_INIT (&qnew->u.sdirect.s);
#endif
break;
#if HAVE_TCP
case PORTTYPE_TCP:
qnew->u.stcp.o = -1;
qnew->u.stcp.zport = "uucp";
break;
#endif /* HAVE_TCP */
}
*pqport = qnew;
if (fgottype)
return CMDTABRET_FREE;
}
/* See if this command is one of the generic ones. */
for (i = 0; i < CPORT_CMDS - 1; i++)
{
if (strcasecmp (argv[0], asPort_cmds[i].zcmd) == 0)
{
sPort = **pqport;
tret = tprocess_one_cmd (argc, argv, asPort_cmds, zerr, 0);
**pqport = sPort;
return tret;
}
}
/* Now check the port commands for specific types. */
switch ((*pqport)->ttype)
{
case PORTTYPE_STDIN:
qcmds = asPstdin_cmds;
break;
case PORTTYPE_MODEM:
qcmds = asPmodem_cmds;
break;
case PORTTYPE_DIRECT:
qcmds = asPdirect_cmds;
break;
#if HAVE_TCP
case PORTTYPE_TCP:
qcmds = asPtcp_cmds;
break;
#endif /* HAVE_TCP */
default:
#if DEBUG > 0
ulog (LOG_FATAL, "tprocess_port_cmd: Can't happen");
#endif
return CMDTABRET_FREE;
}
sPort = **pqport;
tret = tprocess_one_cmd (argc, argv, qcmds, zerr,
CMDFLAG_WARNUNRECOG);
**pqport = sPort;
return tret;
}
/* Fill in an scmdtab structure to pass every possible port command
to tprocess_port_cmd. The argument must be large enough. */
static void uport_cmdtab P((struct scmdtab *qcmds, struct sport **pqnew));
static void
uport_cmdtab (qcmds, pqnew)
struct scmdtab *qcmds;
struct sport **pqnew;
{
int i;
int ibase;
ibase = 0;
for (i = 0; i < CPORT_CMDS - 1; i++)
{
qcmds[ibase + i].zcmd = asPort_cmds[i].zcmd;
qcmds[ibase + i].itype = CMDTABTYPE_FN | 0;
qcmds[ibase + i].pvar = (pointer) pqnew;
qcmds[ibase + i].ptfn = tprocess_port_cmd;
}
ibase += CPORT_CMDS - 1;
for (i = 0; i < CSTDIN_CMDS - 1; i++)
{
qcmds[ibase + i].zcmd = asPstdin_cmds[i].zcmd;
qcmds[ibase + i].itype = CMDTABTYPE_FN | 0;
qcmds[ibase + i].pvar = (pointer) pqnew;
qcmds[ibase + i].ptfn = tprocess_port_cmd;
}
ibase += CSTDIN_CMDS - 1;
for (i = 0; i < CMODEM_CMDS - 1; i++)
{
qcmds[ibase + i].zcmd = asPmodem_cmds[i].zcmd;
qcmds[ibase + i].itype = CMDTABTYPE_FN | 0;
qcmds[ibase + i].pvar = (pointer) pqnew;
qcmds[ibase + i].ptfn = tprocess_port_cmd;
}
ibase += CMODEM_CMDS - 1;
for (i = 0; i < CDIRECT_CMDS - 1; i++)
{
qcmds[ibase + i].zcmd = asPdirect_cmds[i].zcmd;
qcmds[ibase + i].itype = CMDTABTYPE_FN | 0;
qcmds[ibase + i].pvar = (pointer) pqnew;
qcmds[ibase + i].ptfn = tprocess_port_cmd;
}
ibase += CDIRECT_CMDS - 1;
#if HAVE_TCP
for (i = 0; i < CTCP_CMDS - 1; i++)
{
qcmds[ibase + i].zcmd = asPtcp_cmds[i].zcmd;
qcmds[ibase + i].itype = CMDTABTYPE_FN | 0;
qcmds[ibase + i].pvar = (pointer) pqnew;
qcmds[ibase + i].ptfn = tprocess_port_cmd;
}
ibase += CTCP_CMDS - 1;
#endif /* HAVE_TCP */
qcmds[ibase].zcmd = NULL;
}
#endif /* HAVE_TAYLOR_CONFIG */
\f
#if HAVE_TAYLOR_CONFIG
/* Save a port name so that we can use it when looking for a port
with a particular baud rate. */
static enum tcmdtabret tpport_for_baud P((int argc, char **argv,
pointer pvar, const char *zerr));
static const char *zport_for_baud_name;
/*ARGSUSED*/
static enum tcmdtabret
tpport_for_baud (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
zport_for_baud_name = argv[1];
return CMDTABRET_EXIT;
}
#endif /* HAVE_TAYLOR_CONFIG */
/* Find and lock a port. The arguments specify a port name and a baud
rate, and the port found must match both. If the name passed in is
NULL, all ports match. If the baud rate passed in is 0, all ports
match. The lock routine is passed in so that it doesn't have to be
linked in by programs which don't need this call (yes, it's a
hack). The freport argument is actually only used for testing
purposes. */
boolean
ffind_port (zfind, ibaud, ihighbaud, qport, pflock, freport)
const char *zfind;
long ibaud;
long ihighbaud;
struct sport *qport;
boolean (*pflock) P((struct sport *, boolean fin));
boolean freport;
{
boolean ffound;
if (ihighbaud == 0)
ihighbaud = ibaud;
ffound = FALSE;
#if HAVE_TAYLOR_CONFIG
if (zPortfile == NULL)
{
boolean fmore;
/* Only warn about a missing file if we're not going to read the
V2 or BNU files. */
fmore = FALSE;
#if HAVE_V2_CONFIG
if (fV2)
fmore = TRUE;
#endif
#if HAVE_BNU_CONFIG
if (fBnu)
fmore = TRUE;
#endif
if (! fmore)
{
ulog (LOG_ERROR, "%s%s: file not found", NEWCONFIGLIB,
PORTFILE);
return FALSE;
}
}
else
{
struct smulti_file *qmulti;
struct scmdtab ascmds[CPORT_CMDS + CSTDIN_CMDS + CMODEM_CMDS +
CDIRECT_CMDS + CTCP_CMDS + 1];
struct sport *qnew;
const char *zname;
qmulti = qmulti_open (zPortfile);
if (qmulti != NULL)
{
/* Set up such that each command is routed to
tprocess_port_cmd. Route "port" to tpport_for_baud,
which will record the name of the port. */
qnew = NULL;
ascmds[0].zcmd = "port";
ascmds[0].itype = CMDTABTYPE_FN | 2;
ascmds[0].pvar = NULL;
ascmds[0].ptfn = tpport_for_baud;
uport_cmdtab (ascmds + 1, &qnew);
/* Look for the first command in the file (which should be
``port'') to get the name of the first port. */
zport_for_baud_name = NULL;
uprocesscmds ((FILE *) NULL, qmulti, ascmds,
(const char *) NULL, CMDFLAG_BACKSLASH);
if (qnew != NULL)
{
(void) fmulti_close (qmulti);
ulog (LOG_ERROR, "First command in port file is not `port'");
return FALSE;
}
/* Look through the files until we can't find any more. */
zname = zport_for_baud_name;
while (zname != NULL)
{
zport_for_baud_name = NULL;
uprocesscmds ((FILE *) NULL, qmulti, ascmds,
(const char *) NULL, CMDFLAG_BACKSLASH);
if (qnew != NULL
&& (zfind == NULL
|| strcmp (zfind, zname) == 0)
&& (ibaud == 0
|| (qnew->ttype == PORTTYPE_MODEM
&& ((qnew->u.smodem.ibaud == 0
&& qnew->u.smodem.ilowbaud == 0
&& qnew->u.smodem.ihighbaud == 0)
|| (qnew->u.smodem.ibaud >= ibaud
&& qnew->u.smodem.ibaud <= ihighbaud)
|| (qnew->u.smodem.ilowbaud <= ihighbaud
&& qnew->u.smodem.ihighbaud >= ibaud)))
|| (qnew->ttype == PORTTYPE_DIRECT
&& (qnew->u.sdirect.ibaud == 0
|| qnew->u.sdirect.ibaud == ibaud))))
{
ffound = TRUE;
qnew->zname = zname;
if (pflock == NULL
|| (*pflock) (qnew, FALSE))
{
*qport = *qnew;
xfree ((pointer) qnew);
(void) fmulti_close (qmulti);
return TRUE;
}
}
xfree ((pointer) qnew);
qnew = NULL;
zname = zport_for_baud_name;
}
(void) fmulti_close (qmulti);
}
}
#endif /* HAVE_TAYLOR_CONFIG */
#if HAVE_V2_CONFIG
if (fV2)
{
if (fv2_find_port (zfind, ibaud, ihighbaud, qport, pflock, &ffound))
return TRUE;
}
#endif /* HAVE_V2_CONFIG */
#if HAVE_BNU_CONFIG
if (fBnu)
{
if (fbnu_find_port (zfind, ibaud, ihighbaud, qport, pflock, &ffound))
return TRUE;
}
#endif /* HAVE_BNU_CONFIG */
if (freport)
{
if (ffound)
ulog (LOG_ERROR, "All matching ports in use");
else
ulog (LOG_ERROR, "No matching ports defined");
}
return FALSE;
}
\f
#if HAVE_TAYLOR_CONFIG
/* Read dialer commands. */
static struct sdialer sPdialer;
/* The dialer command table. */
static enum tcmdtabret tpdtr_toggle P((int argc, char **argv, pointer pvar,
const char *zerr));
static enum tcmdtabret tpcomplete P((int argc, char **argv, pointer pvar,
const char *zerr));
static enum tcmdtabret tpdialer_proto_param P((int argc, char **argv,
pointer pvar,
const char *zerr));
static struct scmdtab asPdialer_cmds[] =
{
{ "dialer", CMDTABTYPE_FN | 2, NULL, tpexit },
{ "#", CMDTABTYPE_FN | 0, NULL, tpexit },
{ "chat", CMDTABTYPE_PREFIX | 0, (pointer) &sPdialer.schat,
tprocess_chat_cmd },
{ "dialtone", CMDTABTYPE_STRING, (pointer) &sPdialer.zdialtone, NULL },
{ "pause", CMDTABTYPE_STRING, (pointer) &sPdialer.zpause, NULL },
{ "carrier", CMDTABTYPE_BOOLEAN, (pointer) &sPdialer.fcarrier, NULL },
{ "carrier-wait", CMDTABTYPE_INT, (pointer) &sPdialer.ccarrier_wait, NULL },
{ "dtr-toggle", CMDTABTYPE_FN | 0, NULL, tpdtr_toggle },
{ "complete", CMDTABTYPE_FN | 2, (pointer) &sPdialer.scomplete,
tpcomplete },
{ "complete-chat", CMDTABTYPE_PREFIX, (pointer) &sPdialer.scomplete,
tprocess_chat_cmd },
{ "abort", CMDTABTYPE_FN | 2, (pointer) &sPdialer.sabort, tpcomplete },
{ "abort-chat", CMDTABTYPE_PREFIX, (pointer) &sPdialer.sabort,
tprocess_chat_cmd },
{ "protocol-parameter", CMDTABTYPE_FN | 0, NULL, tpdialer_proto_param },
{ "seven-bit", CMDTABTYPE_FN | 2, (pointer) &sPdialer.ireliable,
tpseven_bit },
{ "reliable", CMDTABTYPE_FN | 2, (pointer) &sPdialer.ireliable,
tpreliable },
{ NULL, 0, NULL, NULL }
};
#define CDIALER_CMDS (sizeof asPdialer_cmds / sizeof asPdialer_cmds[0])
/* Handle the dtr-toggle command. */
/*ARGSUSED*/
static enum tcmdtabret
tpdtr_toggle (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
char b;
if (argc < 2 || argc > 3)
{
ulog (LOG_ERROR, "%s: %s: Wrong number of arguments", zerr, argv[0]);
return CMDTABRET_FREE;
}
b = argv[1][0];
if (b == 'y' || b == 'Y' || b == 't' || b == 'T')
sPdialer.fdtr_toggle = TRUE;
else if (b == 'n' || b == 'N' || b == 'f' || b == 'F')
sPdialer.fdtr_toggle = FALSE;
else
{
ulog (LOG_ERROR, "%s: %s: Bad boolean", zerr, argv[0]);
return CMDTABRET_FREE;
}
if (argc == 3)
{
b = argv[2][0];
if (b == 'y' || b == 'Y' || b == 't' || b == 'T')
sPdialer.fdtr_toggle_wait = TRUE;
else if (b == 'n' || b == 'N' || b == 'f' || b == 'F')
sPdialer.fdtr_toggle_wait = FALSE;
else
{
ulog (LOG_ERROR, "%s: %s: Bad boolean", zerr, argv[0]);
return CMDTABRET_FREE;
}
}
return CMDTABRET_FREE;
}
/* Handle the complete and abort commands. These just turn a string
into a trivial chat script. */
/*ARGSUSED*/
static enum tcmdtabret
tpcomplete (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
struct schat_info *qchat = (struct schat_info *) pvar;
qchat->zchat = (char *) xmalloc (strlen (argv[1]) + sizeof "\"\" ");
sprintf (qchat->zchat, "\"\" %s", argv[1]);
return CMDTABRET_FREE;
}
/* Handle protocol parameters for dialers. */
/*ARGSUSED*/
static enum tcmdtabret
tpdialer_proto_param (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
return tadd_proto_param (&sPdialer.cproto_params, &sPdialer.qproto_params,
zerr, argc - 1, argv + 1);
}
/* Process one dialer command. */
static enum tcmdtabret tprocess_dialer_cmd P((int argc, char **argv,
pointer pvar,
const char *zerr));
static enum tcmdtabret
tprocess_dialer_cmd (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
struct sdialer **pq = (struct sdialer **) pvar;
enum tcmdtabret tret;
if (*pq == NULL)
{
struct sdialer *qnew;
qnew = (struct sdialer *) xmalloc (sizeof (struct sdialer));
qnew->zname = NULL;
INIT_CHAT (&qnew->schat);
qnew->zdialtone = ",";
qnew->zpause = ",";
qnew->fcarrier = TRUE;
qnew->ccarrier_wait = 60;
qnew->fdtr_toggle = FALSE;
qnew->fdtr_toggle_wait = FALSE;
INIT_CHAT (&qnew->scomplete);
INIT_CHAT (&qnew->sabort);
qnew->cproto_params = 0;
qnew->qproto_params = NULL;
/* Note that we do not set RELIABLE_SPECIFIED; this just sets
defaults, so that ``seven-bit true'' does not imply
``reliable false''. */
qnew->ireliable = RELIABLE_RELIABLE | RELIABLE_EIGHT;
*pq = qnew;
}
sPdialer = **pq;
tret = tprocess_one_cmd (argc, argv, asPdialer_cmds, zerr,
CMDFLAG_WARNUNRECOG);
**pq = sPdialer;
return tret;
}
/* Handle a dialer command seen in the port file. */
static enum tcmdtabret
tpdialer (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
if (argc < 2)
{
ulog (LOG_ERROR, "%s: %s: Wrong number of arguments", zerr, argv[0]);
return CMDTABRET_FREE;
}
if (argc > 2)
return tprocess_dialer_cmd (argc - 1, argv + 1, pvar, zerr);
sPort.u.smodem.zdialer = argv[1];
return CMDTABRET_CONTINUE;
}
/* Read the information for a particular item. */
struct splook
{
const char *zlook;
boolean ffound;
};
/* Look for a particular dialer. */
static enum tcmdtabret tplook P((int argc, char **argv, pointer pvar,
const char *zerr));
/*ARGSUSED*/
static enum tcmdtabret
tplook (argc, argv, pvar, zerr)
int argc;
char **argv;
pointer pvar;
const char *zerr;
{
struct splook *q = (struct splook *) pvar;
if (strcmp (q->zlook, argv[1]) == 0)
{
q->ffound = TRUE;
return CMDTABRET_FREE_AND_EXIT;
}
return CMDTABRET_FREE;
}
#endif /* HAVE_TAYLOR_CONFIG */
/* Read information about a specific dialer. */
boolean
fread_dialer_info (zdialer, qdialer)
const char *zdialer;
struct sdialer *qdialer;
{
#if HAVE_TAYLOR_CONFIG
/* If we haven't got a dialer file, then only complain if we aren't
going to try the BNU dialer file. */
if (zDialfile == NULL)
{
#if HAVE_BNU_CONFIG
if (! fBnu)
#endif
{
ulog (LOG_ERROR, "%s%s: file not found", NEWCONFIGLIB, DIALFILE);
return FALSE;
}
}
else
{
struct smulti_file *qmulti;
struct scmdtab as[2];
struct splook s;
struct sdialer *qnew;
struct scmdtab ascmds[CDIALER_CMDS];
int i;
qmulti = qmulti_open (zDialfile);
if (qmulti != NULL)
{
s.zlook = zdialer;
s.ffound = FALSE;
as[0].zcmd = "dialer";
as[0].itype = CMDTABTYPE_FN | 2;
as[0].pvar = (pointer) &s;
as[0].ptfn = tplook;
as[1].zcmd = NULL;
uprocesscmds ((FILE *) NULL, qmulti, as, (const char *) NULL,
CMDFLAG_BACKSLASH);
if (s.ffound)
{
qnew = NULL;
for (i = 0; i < CDIALER_CMDS; i++)
{
ascmds[i].zcmd = asPdialer_cmds[i].zcmd;
if (TTYPE_CMDTABTYPE (asPdialer_cmds[i].itype)
== CMDTABTYPE_PREFIX)
ascmds[i].itype = CMDTABTYPE_PREFIX | 0;
else
ascmds[i].itype = CMDTABTYPE_FN | 0;
ascmds[i].pvar = (pointer) &qnew;
ascmds[i].ptfn = tprocess_dialer_cmd;
}
uprocesscmds ((FILE *) NULL, qmulti, ascmds,
(const char *) NULL,
CMDFLAG_WARNUNRECOG | CMDFLAG_BACKSLASH);
(void) fmulti_close (qmulti);
if (qnew == NULL)
{
ulog (LOG_ERROR, "No information for dialer %s", zdialer);
return FALSE;
}
*qdialer = *qnew;
xfree ((pointer) qnew);
return TRUE;
}
(void) fmulti_close (qmulti);
}
}
#endif /* HAVE_TAYLOR_CONFIG */
#if HAVE_BNU_CONFIG
if (fBnu)
{
if (fbnu_read_dialer_info (zdialer, qdialer))
return TRUE;
}
#endif /* HAVE_BNU_CONFIG */
ulog (LOG_ERROR, "%s: No such dialer", zdialer);
return FALSE;
}
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.