212 lines
6.9 KiB
C
212 lines
6.9 KiB
C
/* tdialc.c
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Handle a Taylor UUCP dialer command.
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Copyright (C) 1992 Ian Lance Taylor
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This file is part of the Taylor UUCP uuconf library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.
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*/
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#include "uucnfi.h"
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#if USE_RCS_ID
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const char _uuconf_tdialc_rcsid[] = "$Id: tdialc.c,v 1.2 1994/10/24 22:24:55 jtc Exp $";
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#endif
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static int idchat P((pointer pglobal, int argc, char **argv, pointer pvar,
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pointer pinfo));
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static int iddtr_toggle P((pointer pglobal, int argc, char **argv,
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pointer pvar, pointer pinfo));
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static int idcomplete P((pointer pglobal, int argc, char **argv,
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pointer pvar, pointer pinfo));
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static int idproto_param P((pointer pglobal, int argc, char **argv,
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pointer pvar, pointer pinfo));
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static int idcunknown P((pointer pglobal, int argc, char **argv,
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pointer pvar, pointer pinfo));
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/* The command table for dialer commands. The "dialer" command is
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handled specially. */
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static const struct cmdtab_offset asDialer_cmds[] =
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{
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{ "chat", UUCONF_CMDTABTYPE_PREFIX | 0,
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offsetof (struct uuconf_dialer, uuconf_schat), idchat },
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{ "dialtone", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct uuconf_dialer, uuconf_zdialtone), NULL },
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{ "pause", UUCONF_CMDTABTYPE_STRING,
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offsetof (struct uuconf_dialer, uuconf_zpause), NULL },
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{ "carrier", UUCONF_CMDTABTYPE_BOOLEAN,
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offsetof (struct uuconf_dialer, uuconf_fcarrier), NULL },
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{ "carrier-wait", UUCONF_CMDTABTYPE_INT,
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offsetof (struct uuconf_dialer, uuconf_ccarrier_wait), NULL },
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{ "dtr-toggle", UUCONF_CMDTABTYPE_FN | 0, (size_t) -1, iddtr_toggle },
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{ "complete", UUCONF_CMDTABTYPE_FN | 2,
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offsetof (struct uuconf_dialer, uuconf_scomplete), idcomplete },
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{ "complete-chat", UUCONF_CMDTABTYPE_PREFIX,
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offsetof (struct uuconf_dialer, uuconf_scomplete), idchat },
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{ "abort", UUCONF_CMDTABTYPE_FN | 2,
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offsetof (struct uuconf_dialer, uuconf_sabort), idcomplete },
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{ "abort-chat", UUCONF_CMDTABTYPE_PREFIX,
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offsetof (struct uuconf_dialer, uuconf_sabort), idchat },
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{ "protocol-parameter", UUCONF_CMDTABTYPE_FN | 0,
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offsetof (struct uuconf_dialer, uuconf_qproto_params), idproto_param },
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{ "seven-bit", UUCONF_CMDTABTYPE_FN | 2,
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offsetof (struct uuconf_dialer, uuconf_ireliable), _uuconf_iseven_bit },
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{ "reliable", UUCONF_CMDTABTYPE_FN | 2,
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offsetof (struct uuconf_dialer, uuconf_ireliable), _uuconf_ireliable },
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{ "half-duplex", UUCONF_CMDTABTYPE_FN | 2,
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offsetof (struct uuconf_dialer, uuconf_ireliable),
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_uuconf_ihalf_duplex },
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{ NULL, 0, 0, NULL }
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};
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#define CDIALER_CMDS (sizeof asDialer_cmds / sizeof asDialer_cmds[0])
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/* Handle a command passed to a dialer from a Taylor UUCP
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configuration file. This can be called when reading the dialer
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file, the port file, or the sys file. The return value may have
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UUCONF_CMDTABRET_KEEP set, but not UUCONF_CMDTABRET_EXIT. It
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assigns values to the elements of qdialer. The first time this is
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called, qdialer->uuconf_palloc should be set. This will not set
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qdialer->uuconf_zname. */
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int
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_uuconf_idialer_cmd (qglobal, argc, argv, qdialer)
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struct sglobal *qglobal;
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int argc;
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char **argv;
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struct uuconf_dialer *qdialer;
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{
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struct uuconf_cmdtab as[CDIALER_CMDS];
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int iret;
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_uuconf_ucmdtab_base (asDialer_cmds, CDIALER_CMDS, (char *) qdialer, as);
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iret = uuconf_cmd_args ((pointer) qglobal, argc, argv, as,
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(pointer) qdialer, idcunknown, 0,
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qdialer->uuconf_palloc);
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return iret &~ UUCONF_CMDTABRET_EXIT;
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}
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/* Reroute a chat script command. */
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static int
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idchat (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct uuconf_chat *qchat = (struct uuconf_chat *) pvar;
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struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
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return _uuconf_ichat_cmd (qglobal, argc, argv, qchat,
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qdialer->uuconf_palloc);
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}
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/* Handle the "dtr-toggle" command, which may take two arguments. */
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/*ARGSUSED*/
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static int
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iddtr_toggle (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
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int iret;
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if (argc < 2 || argc > 3)
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return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
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iret = _uuconf_iboolean (qglobal, argv[1], &qdialer->uuconf_fdtr_toggle);
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if ((iret &~ UUCONF_CMDTABRET_KEEP) != UUCONF_SUCCESS)
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return iret;
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if (argc < 3)
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return iret;
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iret |= _uuconf_iboolean (qglobal, argv[2],
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&qdialer->uuconf_fdtr_toggle_wait);
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return iret;
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}
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/* Handle the "complete" and "abort" commands. These just turn a
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string into a trivial chat script. */
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/*ARGSUSED*/
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static int
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idcomplete (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct uuconf_chat *qchat = (struct uuconf_chat *) pvar;
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struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
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char *azargs[3];
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azargs[0] = (char *) "complete-chat";
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azargs[1] = (char *) "\"\"";
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azargs[2] = (char *) argv[1];
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return _uuconf_ichat_cmd (qglobal, 3, azargs, qchat,
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qdialer->uuconf_palloc);
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}
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/* Handle the "protocol-parameter" command. */
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static int
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idproto_param (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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struct sglobal *qglobal = (struct sglobal *) pglobal;
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struct uuconf_proto_param **pqparam = (struct uuconf_proto_param **) pvar;
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struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
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return _uuconf_iadd_proto_param (qglobal, argc - 1, argv + 1, pqparam,
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qdialer->uuconf_palloc);
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}
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/* Give an error for an unknown dialer command. */
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/*ARGSUSED*/
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static int
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idcunknown (pglobal, argc, argv, pvar, pinfo)
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pointer pglobal;
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int argc;
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char **argv;
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pointer pvar;
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pointer pinfo;
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{
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return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
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}
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