1 /*
2 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "defs.h"
29 /*
30 * The C library's definition of struct termios might differ from
31 * the kernel one, and we need to use the kernel layout.
32 */
33 #include <linux/termios.h>
34 #ifdef HAVE_SYS_FILIO_H
35 # include <sys/filio.h>
36 #endif
37
38 #include "xlat/tcxonc_options.h"
39
40 #ifdef TCLFLSH
41 #include "xlat/tcflsh_options.h"
42 #endif
43
44 #include "xlat/baud_options.h"
45 #include "xlat/modem_flags.h"
46
term_ioctl(struct tcb * tcp,long code,long arg)47 int term_ioctl(struct tcb *tcp, long code, long arg)
48 {
49 struct termios tios;
50 struct termio tio;
51 struct winsize ws;
52 #ifdef TIOCGSIZE
53 struct ttysize ts;
54 #endif
55 int i;
56
57 if (entering(tcp))
58 return 0;
59
60 switch (code) {
61
62 /* ioctls with termios or termio args */
63
64 #ifdef TCGETS
65 case TCGETS:
66 if (syserror(tcp))
67 return 0;
68 case TCSETS:
69 case TCSETSW:
70 case TCSETSF:
71 if (!verbose(tcp) || umove(tcp, arg, &tios) < 0)
72 return 0;
73 if (abbrev(tcp)) {
74 tprints(", {");
75 printxval(baud_options, tios.c_cflag & CBAUD, "B???");
76 tprintf(" %sopost %sisig %sicanon %secho ...}",
77 (tios.c_oflag & OPOST) ? "" : "-",
78 (tios.c_lflag & ISIG) ? "" : "-",
79 (tios.c_lflag & ICANON) ? "" : "-",
80 (tios.c_lflag & ECHO) ? "" : "-");
81 return 1;
82 }
83 tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
84 (long) tios.c_iflag, (long) tios.c_oflag);
85 tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
86 (long) tios.c_cflag, (long) tios.c_lflag);
87 tprintf("c_line=%u, ", tios.c_line);
88 if (!(tios.c_lflag & ICANON))
89 tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
90 tios.c_cc[VMIN], tios.c_cc[VTIME]);
91 tprintf("c_cc=\"");
92 for (i = 0; i < NCCS; i++)
93 tprintf("\\x%02x", tios.c_cc[i]);
94 tprintf("\"}");
95 return 1;
96 #endif /* TCGETS */
97
98 #ifdef TCGETA
99 case TCGETA:
100 if (syserror(tcp))
101 return 0;
102 case TCSETA:
103 case TCSETAW:
104 case TCSETAF:
105 if (!verbose(tcp) || umove(tcp, arg, &tio) < 0)
106 return 0;
107 if (abbrev(tcp)) {
108 tprints(", {");
109 printxval(baud_options, tio.c_cflag & CBAUD, "B???");
110 tprintf(" %sopost %sisig %sicanon %secho ...}",
111 (tio.c_oflag & OPOST) ? "" : "-",
112 (tio.c_lflag & ISIG) ? "" : "-",
113 (tio.c_lflag & ICANON) ? "" : "-",
114 (tio.c_lflag & ECHO) ? "" : "-");
115 return 1;
116 }
117 tprintf(", {c_iflags=%#lx, c_oflags=%#lx, ",
118 (long) tio.c_iflag, (long) tio.c_oflag);
119 tprintf("c_cflags=%#lx, c_lflags=%#lx, ",
120 (long) tio.c_cflag, (long) tio.c_lflag);
121 tprintf("c_line=%u, ", tio.c_line);
122 #ifdef _VMIN
123 if (!(tio.c_lflag & ICANON))
124 tprintf("c_cc[_VMIN]=%d, c_cc[_VTIME]=%d, ",
125 tio.c_cc[_VMIN], tio.c_cc[_VTIME]);
126 #else /* !_VMIN */
127 if (!(tio.c_lflag & ICANON))
128 tprintf("c_cc[VMIN]=%d, c_cc[VTIME]=%d, ",
129 tio.c_cc[VMIN], tio.c_cc[VTIME]);
130 #endif /* !_VMIN */
131 tprintf("c_cc=\"");
132 for (i = 0; i < NCC; i++)
133 tprintf("\\x%02x", tio.c_cc[i]);
134 tprintf("\"}");
135 return 1;
136 #endif /* TCGETA */
137
138 /* ioctls with winsize or ttysize args */
139
140 #ifdef TIOCGWINSZ
141 case TIOCGWINSZ:
142 if (syserror(tcp))
143 return 0;
144 case TIOCSWINSZ:
145 if (!verbose(tcp) || umove(tcp, arg, &ws) < 0)
146 return 0;
147 tprintf(", {ws_row=%d, ws_col=%d, ws_xpixel=%d, ws_ypixel=%d}",
148 ws.ws_row, ws.ws_col, ws.ws_xpixel, ws.ws_ypixel);
149 return 1;
150 #endif /* TIOCGWINSZ */
151
152 #ifdef TIOCGSIZE
153 case TIOCGSIZE:
154 if (syserror(tcp))
155 return 0;
156 case TIOCSSIZE:
157 if (!verbose(tcp) || umove(tcp, arg, &ts) < 0)
158 return 0;
159 tprintf(", {ts_lines=%d, ts_cols=%d}",
160 ts.ts_lines, ts.ts_cols);
161 return 1;
162 #endif
163
164 /* ioctls with a direct decodable arg */
165 #ifdef TCXONC
166 case TCXONC:
167 tprints(", ");
168 printxval(tcxonc_options, arg, "TC???");
169 return 1;
170 #endif
171 #ifdef TCLFLSH
172 case TCFLSH:
173 tprints(", ");
174 printxval(tcflsh_options, arg, "TC???");
175 return 1;
176 #endif
177 #ifdef TIOCSCTTY
178 case TIOCSCTTY:
179 tprintf(", %ld", arg);
180 return 1;
181 #endif
182
183 /* ioctls with an indirect parameter displayed as modem flags */
184
185 #ifdef TIOCMGET
186 case TIOCMGET:
187 case TIOCMBIS:
188 case TIOCMBIC:
189 case TIOCMSET:
190 if (umove(tcp, arg, &i) < 0)
191 return 0;
192 tprints(", [");
193 printflags(modem_flags, i, "TIOCM_???");
194 tprints("]");
195 return 1;
196 #endif /* TIOCMGET */
197
198 /* ioctls with an indirect parameter displayed in decimal */
199
200 case TIOCSPGRP:
201 case TIOCGPGRP:
202 #ifdef TIOCGETPGRP
203 case TIOCGETPGRP:
204 #endif
205 #ifdef TIOCSETPGRP
206 case TIOCSETPGRP:
207 #endif
208 #ifdef FIONREAD
209 case FIONREAD:
210 #endif
211 case TIOCOUTQ:
212 #ifdef FIONBIO
213 case FIONBIO:
214 #endif
215 #ifdef FIOASYNC
216 case FIOASYNC:
217 #endif
218 #ifdef FIOGETOWN
219 case FIOGETOWN:
220 #endif
221 #ifdef FIOSETOWN
222 case FIOSETOWN:
223 #endif
224 #ifdef TIOCGETD
225 case TIOCGETD:
226 #endif
227 #ifdef TIOCSETD
228 case TIOCSETD:
229 #endif
230 #ifdef TIOCPKT
231 case TIOCPKT:
232 #endif
233 #ifdef TIOCREMOTE
234 case TIOCREMOTE:
235 #endif
236 #ifdef TIOCUCNTL
237 case TIOCUCNTL:
238 #endif
239 #ifdef TIOCTCNTL
240 case TIOCTCNTL:
241 #endif
242 #ifdef TIOCSIGNAL
243 case TIOCSIGNAL:
244 #endif
245 #ifdef TIOCSSOFTCAR
246 case TIOCSSOFTCAR:
247 #endif
248 #ifdef TIOCGSOFTCAR
249 case TIOCGSOFTCAR:
250 #endif
251 #ifdef TIOCISPACE
252 case TIOCISPACE:
253 #endif
254 #ifdef TIOCISIZE
255 case TIOCISIZE:
256 #endif
257 #ifdef TIOCSINTR
258 case TIOCSINTR:
259 #endif
260 #ifdef TIOCSPTLCK
261 case TIOCSPTLCK:
262 #endif
263 #ifdef TIOCGPTN
264 case TIOCGPTN:
265 #endif
266 tprints(", ");
267 printnum_int(tcp, arg, "%d");
268 return 1;
269
270 /* ioctls with an indirect parameter displayed as a char */
271
272 #ifdef TIOCSTI
273 case TIOCSTI:
274 #endif
275 tprints(", ");
276 printstr(tcp, arg, 1);
277 return 1;
278
279 /* ioctls with no parameters */
280
281 #ifdef TIOCNOTTY
282 case TIOCNOTTY:
283 #endif
284 #ifdef FIOCLEX
285 case FIOCLEX:
286 #endif
287 #ifdef FIONCLEX
288 case FIONCLEX:
289 #endif
290 #ifdef TIOCCONS
291 case TIOCCONS:
292 #endif
293 return 1;
294
295 /* ioctls which are unknown */
296
297 default:
298 return 0;
299 }
300 }
301