1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
|
/* hport.c
Find a port in the HDB configuration files.
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_hport_rcsid[] = "$Id: hport.c,v 1.14 1995/06/21 19:22:58 ian Rel $";
#endif
#include <errno.h>
#include <ctype.h>
/* Find a port in the HDB configuration files by name, baud rate, and
special purpose function. */
int
uuconf_hdb_find_port (pglobal, zname, ibaud, ihighbaud, pifn, pinfo, qport)
pointer pglobal;
const char *zname;
long ibaud;
long ihighbaud;
int (*pifn) P((struct uuconf_port *, pointer));
pointer pinfo;
struct uuconf_port *qport;
{
struct sglobal *qglobal = (struct sglobal *) pglobal;
char *zline;
size_t cline;
char **pzsplit;
size_t csplit;
int iret;
char **pz;
zline = NULL;
cline = 0;
pzsplit = NULL;
csplit = 0;
iret = UUCONF_NOT_FOUND;
for (pz = qglobal->qprocess->pzhdb_devices; *pz != NULL; pz++)
{
FILE *e;
int cchars;
qglobal->ilineno = 0;
e = fopen (*pz, "r");
if (e == NULL)
{
if (FNO_SUCH_FILE ())
continue;
qglobal->ierrno = errno;
iret = UUCONF_FOPEN_FAILED | UUCONF_ERROR_ERRNO;
break;
}
iret = UUCONF_NOT_FOUND;
while ((cchars = _uuconf_getline (qglobal, &zline, &cline, e)) > 0)
{
int ctoks;
char *z, *zprotos, *zport;
long ilow, ihigh;
pointer pblock;
char ***ppzdialer;
++qglobal->ilineno;
iret = UUCONF_NOT_FOUND;
--cchars;
if (zline[cchars] == '\n')
zline[cchars] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
continue;
ctoks = _uuconf_istrsplit (zline, '\0', &pzsplit, &csplit);
if (ctoks < 0)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
/* An entry in Devices is
type device dial-device baud dialer-token pairs
The type (normally "ACU") is treated as the name. */
/* If there aren't enough entries, ignore the line; this
should probably do something more useful. */
if (ctoks < 4)
continue;
/* There may be a comma separated list of protocols after
the name. */
zprotos = strchr (pzsplit[0], ',');
if (zprotos != NULL)
{
*zprotos = '\0';
++zprotos;
}
zport = pzsplit[0];
/* Get any modem class, and pick up the baud rate while
we're at it. The modem class will be appended to the
name, so we need to get it before we see if we've found
the port with the right name. */
z = pzsplit[3];
if (strcasecmp (z, "Any") == 0
|| strcmp (z, "-") == 0)
{
ilow = 0L;
ihigh = 0L;
}
else
{
char *zend;
while (*z != '\0' && ! isdigit (BUCHAR (*z)))
++z;
ilow = strtol (z, &zend, 10);
if (*zend == '-')
ihigh = strtol (zend + 1, (char **) NULL, 10);
else
ihigh = ilow;
if (z != pzsplit[3])
{
size_t cclass, cport;
cclass = z - pzsplit[3];
cport = strlen (pzsplit[0]);
zport = malloc (cport + cclass + 1);
if (zport == NULL)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
memcpy ((pointer) zport, (pointer) pzsplit[0], cport);
memcpy ((pointer) (zport + cport), (pointer) pzsplit[3],
cclass);
zport[cport + cclass] = '\0';
}
}
/* Make sure the name and baud rate match any argument. */
if ((zname != NULL
&& strcmp (zport, zname) != 0)
|| (ibaud != 0
&& ilow != 0
&& (ilow > ibaud || ihigh < ibaud)))
{
if (zport != pzsplit[0])
free ((pointer) zport);
continue;
}
/* Some systems permit ,M after the device name. This means
to open the port with O_NDELAY and then change it. We
just ignore this flag, although perhaps we should record
it somewhere. */
pzsplit[1][strcspn (pzsplit[1], ",")] = '\0';
/* Now we must construct the port information, so that we
can pass it to pifn. The port type is determined by its
name, unfortunately. The name "Direct" is used for a
direct port, "TCP" for a TCP port, and anything else for
a modem port. */
pblock = NULL;
_uuconf_uclear_port (qport);
qport->uuconf_zname = zport;
qport->uuconf_zprotocols = zprotos;
if (strcmp (pzsplit[0], "Direct") == 0)
{
qport->uuconf_ttype = UUCONF_PORTTYPE_DIRECT;
qport->uuconf_u.uuconf_sdirect.uuconf_zdevice = pzsplit[1];
qport->uuconf_u.uuconf_sdirect.uuconf_ibaud = ilow;
qport->uuconf_u.uuconf_sdirect.uuconf_fcarrier = FALSE;
qport->uuconf_u.uuconf_sdirect.uuconf_fhardflow = TRUE;
ppzdialer = NULL;
}
else if (strcmp (pzsplit[0], "TCP") == 0)
{
/* For a TCP port, the device name is taken as the TCP
port to use. */
qport->uuconf_ttype = UUCONF_PORTTYPE_TCP;
qport->uuconf_ireliable
= (UUCONF_RELIABLE_ENDTOEND | UUCONF_RELIABLE_RELIABLE
| UUCONF_RELIABLE_EIGHT | UUCONF_RELIABLE_FULLDUPLEX
| UUCONF_RELIABLE_SPECIFIED);
qport->uuconf_u.uuconf_stcp.uuconf_zport = pzsplit[1];
ppzdialer = &qport->uuconf_u.uuconf_stcp.uuconf_pzdialer;
}
else if (ctoks >= 5
&& (strcmp (pzsplit[4], "TLI") == 0
|| strcmp (pzsplit[4], "TLIS") == 0))
{
qport->uuconf_ttype = UUCONF_PORTTYPE_TLI;
qport->uuconf_u.uuconf_stli.uuconf_zdevice = pzsplit[1];
qport->uuconf_u.uuconf_stli.uuconf_fstream
= strcmp (pzsplit[4], "TLIS") == 0;
qport->uuconf_u.uuconf_stli.uuconf_pzpush = NULL;
qport->uuconf_u.uuconf_stli.uuconf_zservaddr = NULL;
qport->uuconf_ireliable
= (UUCONF_RELIABLE_ENDTOEND | UUCONF_RELIABLE_RELIABLE
| UUCONF_RELIABLE_EIGHT | UUCONF_RELIABLE_FULLDUPLEX
| UUCONF_RELIABLE_SPECIFIED);
ppzdialer = &qport->uuconf_u.uuconf_stli.uuconf_pzdialer;
}
else
{
qport->uuconf_ttype = UUCONF_PORTTYPE_MODEM;
qport->uuconf_u.uuconf_smodem.uuconf_zdevice = pzsplit[1];
if (strcmp (pzsplit[2], "-") != 0)
qport->uuconf_u.uuconf_smodem.uuconf_zdial_device =
pzsplit[2];
else
qport->uuconf_u.uuconf_smodem.uuconf_zdial_device = NULL;
if (ilow == ihigh)
{
qport->uuconf_u.uuconf_smodem.uuconf_ibaud = ilow;
qport->uuconf_u.uuconf_smodem.uuconf_ilowbaud = 0L;
qport->uuconf_u.uuconf_smodem.uuconf_ihighbaud = 0L;
}
else
{
qport->uuconf_u.uuconf_smodem.uuconf_ibaud = 0L;
qport->uuconf_u.uuconf_smodem.uuconf_ilowbaud = ilow;
qport->uuconf_u.uuconf_smodem.uuconf_ihighbaud = ihigh;
}
qport->uuconf_u.uuconf_smodem.uuconf_fcarrier = TRUE;
qport->uuconf_u.uuconf_smodem.uuconf_fhardflow = TRUE;
qport->uuconf_u.uuconf_smodem.uuconf_qdialer = NULL;
ppzdialer = &qport->uuconf_u.uuconf_smodem.uuconf_pzdialer;
}
if (ppzdialer != NULL)
{
if (ctoks < 5)
*ppzdialer = NULL;
else
{
size_t c;
char **pzd;
pblock = uuconf_malloc_block ();
if (pblock == NULL)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
c = (ctoks - 4) * sizeof (char *);
pzd = (char **) uuconf_malloc (pblock, c + sizeof (char *));
if (pzd == NULL)
{
qglobal->ierrno = errno;
uuconf_free_block (pblock);
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
memcpy ((pointer) pzd, (pointer) (pzsplit + 4), c);
pzd[ctoks - 4] = NULL;
*ppzdialer = pzd;
}
}
if (pifn != NULL)
{
iret = (*pifn) (qport, pinfo);
if (iret != UUCONF_SUCCESS)
{
if (zport != pzsplit[0])
free ((pointer) zport);
if (pblock != NULL)
uuconf_free_block (pblock);
if (iret != UUCONF_NOT_FOUND)
break;
continue;
}
}
/* This is the port we want. */
if (pblock == NULL)
{
pblock = uuconf_malloc_block ();
if (pblock == NULL)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
}
if (uuconf_add_block (pblock, zline) != 0
|| (zport != pzsplit[0]
&& uuconf_add_block (pblock, zport) != 0))
{
qglobal->ierrno = errno;
uuconf_free_block (pblock);
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
zline = NULL;
qport->uuconf_palloc = pblock;
iret = UUCONF_SUCCESS;
break;
}
(void) fclose (e);
if (iret != UUCONF_NOT_FOUND)
break;
}
if (zline != NULL)
free ((pointer) zline);
if (pzsplit != NULL)
free ((pointer) pzsplit);
if (iret != UUCONF_SUCCESS && iret != UUCONF_NOT_FOUND)
{
qglobal->zfilename = *pz;
iret |= UUCONF_ERROR_FILENAME | UUCONF_ERROR_LINENO;
}
return iret;
}
|
