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1.1 root 1: /* tdialc.c
2: Handle a Taylor UUCP dialer command.
3:
4: Copyright (C) 1992 Ian Lance Taylor
5:
6: This file is part of the Taylor UUCP uuconf library.
7:
8: This library is free software; you can redistribute it and/or
9: modify it under the terms of the GNU Library General Public License
10: as published by the Free Software Foundation; either version 2 of
11: the License, or (at your option) any later version.
12:
13: This library is distributed in the hope that it will be useful, but
14: WITHOUT ANY WARRANTY; without even the implied warranty of
15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16: Library General Public License for more details.
17:
18: You should have received a copy of the GNU Library General Public
19: License along with this library; if not, write to the Free Software
20: Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21:
22: The author of the program may be contacted at [email protected] or
23: c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
24: */
25:
26: #include "uucnfi.h"
27:
28: #if USE_RCS_ID
29: const char _uuconf_tdialc_rcsid[] = "$Id: tdialc.c,v 1.1 93/07/30 08:07:41 bin Exp Locker: bin $";
30: #endif
31:
32: static int idchat P((pointer pglobal, int argc, char **argv, pointer pvar,
33: pointer pinfo));
34: static int iddtr_toggle P((pointer pglobal, int argc, char **argv,
35: pointer pvar, pointer pinfo));
36: static int idcomplete P((pointer pglobal, int argc, char **argv,
37: pointer pvar, pointer pinfo));
38: static int idproto_param P((pointer pglobal, int argc, char **argv,
39: pointer pvar, pointer pinfo));
40: static int idcunknown P((pointer pglobal, int argc, char **argv,
41: pointer pvar, pointer pinfo));
42:
43: /* The command table for dialer commands. The "dialer" command is
44: handled specially. */
45: static const struct cmdtab_offset asDialer_cmds[] =
46: {
47: { "chat", UUCONF_CMDTABTYPE_PREFIX | 0,
48: offsetof (struct uuconf_dialer, uuconf_schat), idchat },
49: { "dialtone", UUCONF_CMDTABTYPE_STRING,
50: offsetof (struct uuconf_dialer, uuconf_zdialtone), NULL },
51: { "pause", UUCONF_CMDTABTYPE_STRING,
52: offsetof (struct uuconf_dialer, uuconf_zpause), NULL },
53: { "carrier", UUCONF_CMDTABTYPE_BOOLEAN,
54: offsetof (struct uuconf_dialer, uuconf_fcarrier), NULL },
55: { "carrier-wait", UUCONF_CMDTABTYPE_INT,
56: offsetof (struct uuconf_dialer, uuconf_ccarrier_wait), NULL },
57: { "dtr-toggle", UUCONF_CMDTABTYPE_FN | 0, (size_t) -1, iddtr_toggle },
58: { "complete", UUCONF_CMDTABTYPE_FN | 2,
59: offsetof (struct uuconf_dialer, uuconf_scomplete), idcomplete },
60: { "complete-chat", UUCONF_CMDTABTYPE_PREFIX,
61: offsetof (struct uuconf_dialer, uuconf_scomplete), idchat },
62: { "abort", UUCONF_CMDTABTYPE_FN | 2,
63: offsetof (struct uuconf_dialer, uuconf_sabort), idcomplete },
64: { "abort-chat", UUCONF_CMDTABTYPE_PREFIX,
65: offsetof (struct uuconf_dialer, uuconf_sabort), idchat },
66: { "protocol-parameter", UUCONF_CMDTABTYPE_FN | 0,
67: offsetof (struct uuconf_dialer, uuconf_qproto_params), idproto_param },
68: { "seven-bit", UUCONF_CMDTABTYPE_FN | 2,
69: offsetof (struct uuconf_dialer, uuconf_ireliable), _uuconf_iseven_bit },
70: { "reliable", UUCONF_CMDTABTYPE_FN | 2,
71: offsetof (struct uuconf_dialer, uuconf_ireliable), _uuconf_ireliable },
72: { "half-duplex", UUCONF_CMDTABTYPE_FN | 2,
73: offsetof (struct uuconf_dialer, uuconf_ireliable),
74: _uuconf_ihalf_duplex },
75: { NULL, 0, 0, NULL }
76: };
77:
78: #define CDIALER_CMDS (sizeof asDialer_cmds / sizeof asDialer_cmds[0])
79:
80: /* Handle a command passed to a dialer from a Taylor UUCP
81: configuration file. This can be called when reading the dialer
82: file, the port file, or the sys file. The return value may have
83: UUCONF_CMDTABRET_KEEP set, but not UUCONF_CMDTABRET_EXIT. It
84: assigns values to the elements of qdialer. The first time this is
85: called, qdialer->uuconf_palloc should be set. This will not set
86: qdialer->uuconf_zname. */
87:
88: int
89: _uuconf_idialer_cmd (qglobal, argc, argv, qdialer)
90: struct sglobal *qglobal;
91: int argc;
92: char **argv;
93: struct uuconf_dialer *qdialer;
94: {
95: struct uuconf_cmdtab as[CDIALER_CMDS];
96: int iret;
97:
98: _uuconf_ucmdtab_base (asDialer_cmds, CDIALER_CMDS, (char *) qdialer, as);
99:
100: iret = uuconf_cmd_args ((pointer) qglobal, argc, argv, as,
101: (pointer) qdialer, idcunknown, 0,
102: qdialer->uuconf_palloc);
103:
104: return iret &~ UUCONF_CMDTABRET_EXIT;
105: }
106:
107: /* Reroute a chat script command. */
108:
109: static int
110: idchat (pglobal, argc, argv, pvar, pinfo)
111: pointer pglobal;
112: int argc;
113: char **argv;
114: pointer pvar;
115: pointer pinfo;
116: {
117: struct sglobal *qglobal = (struct sglobal *) pglobal;
118: struct uuconf_chat *qchat = (struct uuconf_chat *) pvar;
119: struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
120:
121: return _uuconf_ichat_cmd (qglobal, argc, argv, qchat,
122: qdialer->uuconf_palloc);
123: }
124:
125: /* Handle the "dtr-toggle" command, which may take two arguments. */
126:
127: /*ARGSUSED*/
128: static int
129: iddtr_toggle (pglobal, argc, argv, pvar, pinfo)
130: pointer pglobal;
131: int argc;
132: char **argv;
133: pointer pvar;
134: pointer pinfo;
135: {
136: struct sglobal *qglobal = (struct sglobal *) pglobal;
137: struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
138: int iret;
139:
140: if (argc < 2 || argc > 3)
141: return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
142:
143: iret = _uuconf_iboolean (qglobal, argv[1], &qdialer->uuconf_fdtr_toggle);
144: if ((iret &~ UUCONF_CMDTABRET_KEEP) != UUCONF_SUCCESS)
145: return iret;
146:
147: if (argc < 3)
148: return iret;
149:
150: iret |= _uuconf_iboolean (qglobal, argv[2],
151: &qdialer->uuconf_fdtr_toggle_wait);
152:
153: return iret;
154: }
155:
156: /* Handle the "complete" and "abort" commands. These just turn a
157: string into a trivial chat script. */
158:
159: /*ARGSUSED*/
160: static int
161: idcomplete (pglobal, argc, argv, pvar, pinfo)
162: pointer pglobal;
163: int argc;
164: char **argv;
165: pointer pvar;
166: pointer pinfo;
167: {
168: struct sglobal *qglobal = (struct sglobal *) pglobal;
169: struct uuconf_chat *qchat = (struct uuconf_chat *) pvar;
170: struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
171: char *azargs[3];
172:
173: azargs[0] = (char *) "complete-chat";
174: azargs[1] = (char *) "\"\"";
175: azargs[2] = (char *) argv[1];
176:
177: return _uuconf_ichat_cmd (qglobal, 3, azargs, qchat,
178: qdialer->uuconf_palloc);
179: }
180:
181: /* Handle the "protocol-parameter" command. */
182:
183: static int
184: idproto_param (pglobal, argc, argv, pvar, pinfo)
185: pointer pglobal;
186: int argc;
187: char **argv;
188: pointer pvar;
189: pointer pinfo;
190: {
191: struct sglobal *qglobal = (struct sglobal *) pglobal;
192: struct uuconf_proto_param **pqparam = (struct uuconf_proto_param **) pvar;
193: struct uuconf_dialer *qdialer = (struct uuconf_dialer *) pinfo;
194:
195: return _uuconf_iadd_proto_param (qglobal, argc - 1, argv + 1, pqparam,
196: qdialer->uuconf_palloc);
197: }
198:
199: /* Give an error for an unknown dialer command. */
200:
201: /*ARGSUSED*/
202: static int
203: idcunknown (pglobal, argc, argv, pvar, pinfo)
204: pointer pglobal;
205: int argc;
206: char **argv;
207: pointer pvar;
208: pointer pinfo;
209: {
210: return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
211: }
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