1 |
pcg |
1.1 |
/*--------------------------------*-C-*---------------------------------* |
2 |
pcg |
1.11 |
* File: ptytty.C |
3 |
pcg |
1.1 |
*----------------------------------------------------------------------* |
4 |
|
|
* |
5 |
|
|
* All portions of code are copyright by their respective author/s. |
6 |
|
|
* Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
7 |
pcg |
1.11 |
* Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
8 |
pcg |
1.1 |
* |
9 |
|
|
* This program is free software; you can redistribute it and/or modify |
10 |
|
|
* it under the terms of the GNU General Public License as published by |
11 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
12 |
|
|
* (at your option) any later version. |
13 |
|
|
* |
14 |
|
|
* This program is distributed in the hope that it will be useful, |
15 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 |
|
|
* GNU General Public License for more details. |
18 |
|
|
* |
19 |
|
|
* You should have received a copy of the GNU General Public License |
20 |
|
|
* along with this program; if not, write to the Free Software |
21 |
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 |
|
|
*---------------------------------------------------------------------*/ |
23 |
|
|
|
24 |
|
|
#include "../config.h" /* NECESSARY */ |
25 |
root |
1.16 |
#include "rxvt.h" |
26 |
pcg |
1.1 |
|
27 |
|
|
#ifdef HAVE_STDLIB_H |
28 |
pcg |
1.8 |
# include <cstdlib> |
29 |
pcg |
1.1 |
#endif |
30 |
|
|
#ifdef HAVE_SYS_TYPES_H |
31 |
|
|
# include <sys/types.h> |
32 |
|
|
#endif |
33 |
|
|
#ifdef HAVE_UNISTD_H |
34 |
|
|
# include <unistd.h> |
35 |
|
|
#endif |
36 |
|
|
#if defined(HAVE_STRING_H) |
37 |
pcg |
1.8 |
# include <cstring> |
38 |
pcg |
1.1 |
#endif |
39 |
|
|
#ifdef HAVE_FCNTL_H |
40 |
|
|
# include <fcntl.h> |
41 |
|
|
#endif |
42 |
|
|
#ifdef HAVE_SYS_IOCTL_H |
43 |
|
|
# include <sys/ioctl.h> |
44 |
|
|
#endif |
45 |
root |
1.12 |
#if defined(PTYS_ARE_PTMX) && defined(HAVE_SYS_STROPTS_H) |
46 |
pcg |
1.1 |
# include <sys/stropts.h> /* for I_PUSH */ |
47 |
|
|
#endif |
48 |
pcg |
1.10 |
#ifdef HAVE_ISASTREAM |
49 |
|
|
# include <stropts.h> |
50 |
|
|
#endif |
51 |
root |
1.22 |
#ifdef HAVE_PTY_H |
52 |
|
|
# include <pty.h> |
53 |
|
|
#endif |
54 |
pcg |
1.1 |
|
55 |
root |
1.16 |
// better do this via configure, but.... |
56 |
root |
1.17 |
#if defined(__FreeBSD__) |
57 |
root |
1.16 |
# include <libutil.h> |
58 |
root |
1.18 |
#elif defined(__DARWIN__) || (defined (__MACH__) && defined (__APPLE__)) |
59 |
root |
1.17 |
# include <util.h> |
60 |
pcg |
1.1 |
#endif |
61 |
|
|
|
62 |
root |
1.16 |
#include <cstdio> |
63 |
|
|
#include <grp.h> |
64 |
|
|
|
65 |
pcg |
1.1 |
/* ------------------------------------------------------------------------- * |
66 |
|
|
* GET PSEUDO TELETYPE - MASTER AND SLAVE * |
67 |
|
|
* ------------------------------------------------------------------------- */ |
68 |
|
|
/* |
69 |
|
|
* Returns pty file descriptor, or -1 on failure |
70 |
|
|
* If successful, ttydev is set to the name of the slave device. |
71 |
|
|
* fd_tty _may_ also be set to an open fd to the slave device |
72 |
|
|
*/ |
73 |
root |
1.16 |
static int |
74 |
|
|
get_pty (int *fd_tty, char **ttydev) |
75 |
pcg |
1.1 |
{ |
76 |
pcg |
1.4 |
int pfd; |
77 |
pcg |
1.1 |
|
78 |
|
|
#ifdef PTYS_ARE_OPENPTY |
79 |
root |
1.24 |
char tty_name[sizeof "/dev/pts/?????\0"]; |
80 |
pcg |
1.4 |
|
81 |
root |
1.24 |
rxvt_privileges (RESTORE); |
82 |
|
|
int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
83 |
|
|
rxvt_privileges (IGNORE); |
84 |
|
|
|
85 |
|
|
if (res != -1) |
86 |
pcg |
1.4 |
{ |
87 |
pcg |
1.6 |
*ttydev = strdup (tty_name); |
88 |
pcg |
1.4 |
return pfd; |
89 |
pcg |
1.1 |
} |
90 |
|
|
#endif |
91 |
|
|
|
92 |
|
|
#ifdef PTYS_ARE__GETPTY |
93 |
pcg |
1.6 |
*ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
94 |
pcg |
1.4 |
if (*ttydev != NULL) |
95 |
|
|
return pfd; |
96 |
pcg |
1.1 |
#endif |
97 |
|
|
|
98 |
|
|
#ifdef PTYS_ARE_GETPTY |
99 |
|
|
|
100 |
pcg |
1.4 |
char *ptydev; |
101 |
|
|
|
102 |
pcg |
1.6 |
while ((ptydev = getpty ()) != NULL) |
103 |
|
|
if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
104 |
pcg |
1.4 |
{ |
105 |
|
|
*ttydev = ptydev; |
106 |
|
|
return pfd; |
107 |
|
|
} |
108 |
pcg |
1.1 |
#endif |
109 |
|
|
|
110 |
|
|
#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
111 |
|
|
# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) |
112 |
pcg |
1.4 |
|
113 |
|
|
{ |
114 |
pcg |
1.1 |
# ifdef PTYS_ARE_GETPT |
115 |
pcg |
1.6 |
pfd = getpt (); |
116 |
pcg |
1.1 |
# else |
117 |
pcg |
1.6 |
pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
118 |
pcg |
1.1 |
# endif |
119 |
pcg |
1.4 |
|
120 |
|
|
if (pfd >= 0) |
121 |
|
|
{ |
122 |
pcg |
1.6 |
if (grantpt (pfd) == 0 /* change slave permissions */ |
123 |
|
|
&& unlockpt (pfd) == 0) |
124 |
pcg |
1.4 |
{ /* slave now unlocked */ |
125 |
root |
1.16 |
*ttydev = strdup (ptsname (pfd)); /* get slave's name */ |
126 |
pcg |
1.4 |
return pfd; |
127 |
|
|
} |
128 |
pcg |
1.6 |
close (pfd); |
129 |
pcg |
1.4 |
} |
130 |
|
|
} |
131 |
pcg |
1.1 |
# endif |
132 |
|
|
#endif |
133 |
|
|
|
134 |
|
|
#ifdef PTYS_ARE_PTC |
135 |
pcg |
1.6 |
if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
136 |
pcg |
1.4 |
{ |
137 |
root |
1.16 |
*ttydev = strdup (ttyname (pfd)); |
138 |
pcg |
1.4 |
return pfd; |
139 |
pcg |
1.1 |
} |
140 |
|
|
#endif |
141 |
|
|
|
142 |
|
|
#ifdef PTYS_ARE_CLONE |
143 |
pcg |
1.6 |
if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
144 |
pcg |
1.4 |
{ |
145 |
root |
1.16 |
*ttydev = strdup (ptsname (pfd)); |
146 |
pcg |
1.4 |
return pfd; |
147 |
pcg |
1.1 |
} |
148 |
|
|
#endif |
149 |
|
|
|
150 |
|
|
#ifdef PTYS_ARE_NUMERIC |
151 |
pcg |
1.4 |
{ |
152 |
root |
1.16 |
int idx; |
153 |
|
|
char *c1, *c2; |
154 |
|
|
char pty_name[] = "/dev/ptyp???"; |
155 |
|
|
char tty_name[] = "/dev/ttyp???"; |
156 |
pcg |
1.4 |
|
157 |
root |
1.16 |
c1 = &(pty_name[sizeof (pty_name) - 4]); |
158 |
|
|
c2 = &(tty_name[sizeof (tty_name) - 4]); |
159 |
pcg |
1.4 |
for (idx = 0; idx < 256; idx++) |
160 |
|
|
{ |
161 |
pcg |
1.6 |
sprintf (c1, "%d", idx); |
162 |
|
|
sprintf (c2, "%d", idx); |
163 |
|
|
if (access (tty_name, F_OK) < 0) |
164 |
pcg |
1.4 |
{ |
165 |
|
|
idx = 256; |
166 |
|
|
break; |
167 |
|
|
} |
168 |
root |
1.16 |
|
169 |
pcg |
1.6 |
if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
170 |
pcg |
1.4 |
{ |
171 |
pcg |
1.6 |
if (access (tty_name, R_OK | W_OK) == 0) |
172 |
pcg |
1.4 |
{ |
173 |
pcg |
1.6 |
*ttydev = strdup (tty_name); |
174 |
pcg |
1.4 |
return pfd; |
175 |
|
|
} |
176 |
root |
1.16 |
|
177 |
pcg |
1.6 |
close (pfd); |
178 |
pcg |
1.4 |
} |
179 |
|
|
} |
180 |
|
|
} |
181 |
pcg |
1.1 |
#endif |
182 |
root |
1.16 |
|
183 |
pcg |
1.1 |
#ifdef PTYS_ARE_SEARCHED |
184 |
pcg |
1.4 |
{ |
185 |
root |
1.16 |
const char *c1, *c2; |
186 |
|
|
char pty_name[] = "/dev/pty??"; |
187 |
|
|
char tty_name[] = "/dev/tty??"; |
188 |
pcg |
1.1 |
|
189 |
|
|
# ifndef PTYCHAR1 |
190 |
|
|
# define PTYCHAR1 "pqrstuvwxyz" |
191 |
|
|
# endif |
192 |
|
|
# ifndef PTYCHAR2 |
193 |
|
|
# define PTYCHAR2 "0123456789abcdef" |
194 |
|
|
# endif |
195 |
pcg |
1.4 |
|
196 |
|
|
for (c1 = PTYCHAR1; *c1; c1++) |
197 |
|
|
{ |
198 |
pcg |
1.6 |
pty_name[ (sizeof (pty_name) - 3)] = |
199 |
|
|
tty_name[ (sizeof (pty_name) - 3)] = *c1; |
200 |
pcg |
1.4 |
for (c2 = PTYCHAR2; *c2; c2++) |
201 |
|
|
{ |
202 |
pcg |
1.6 |
pty_name[ (sizeof (pty_name) - 2)] = |
203 |
|
|
tty_name[ (sizeof (pty_name) - 2)] = *c2; |
204 |
|
|
if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
205 |
pcg |
1.4 |
{ |
206 |
pcg |
1.6 |
if (access (tty_name, R_OK | W_OK) == 0) |
207 |
pcg |
1.4 |
{ |
208 |
pcg |
1.6 |
*ttydev = strdup (tty_name); |
209 |
pcg |
1.4 |
return pfd; |
210 |
|
|
} |
211 |
root |
1.16 |
|
212 |
pcg |
1.6 |
close (pfd); |
213 |
pcg |
1.4 |
} |
214 |
|
|
} |
215 |
|
|
} |
216 |
|
|
} |
217 |
pcg |
1.1 |
#endif |
218 |
root |
1.16 |
|
219 |
pcg |
1.4 |
return -1; |
220 |
pcg |
1.1 |
} |
221 |
|
|
|
222 |
|
|
/*----------------------------------------------------------------------*/ |
223 |
|
|
/* |
224 |
|
|
* Returns tty file descriptor, or -1 on failure |
225 |
|
|
*/ |
226 |
root |
1.16 |
static int |
227 |
|
|
get_tty (char *ttydev) |
228 |
pcg |
1.1 |
{ |
229 |
pcg |
1.4 |
return open (ttydev, O_RDWR | O_NOCTTY, 0); |
230 |
pcg |
1.1 |
} |
231 |
|
|
|
232 |
|
|
/*----------------------------------------------------------------------*/ |
233 |
|
|
/* |
234 |
|
|
* Make our tty a controlling tty so that /dev/tty points to us |
235 |
|
|
*/ |
236 |
root |
1.16 |
static int |
237 |
|
|
control_tty (int fd_tty, const char *ttydev) |
238 |
pcg |
1.1 |
{ |
239 |
|
|
#ifndef __QNX__ |
240 |
pcg |
1.4 |
int fd; |
241 |
pcg |
1.1 |
|
242 |
pcg |
1.4 |
/* ---------------------------------------- */ |
243 |
pcg |
1.1 |
# ifdef HAVE_SETSID |
244 |
pcg |
1.4 |
setsid (); |
245 |
pcg |
1.1 |
# endif |
246 |
|
|
# if defined(HAVE_SETPGID) |
247 |
pcg |
1.4 |
setpgid (0, 0); |
248 |
pcg |
1.1 |
# elif defined(HAVE_SETPGRP) |
249 |
pcg |
1.4 |
setpgrp (0, 0); |
250 |
pcg |
1.1 |
# endif |
251 |
root |
1.16 |
|
252 |
pcg |
1.4 |
/* ---------------------------------------- */ |
253 |
pcg |
1.1 |
# ifdef TIOCNOTTY |
254 |
pcg |
1.4 |
fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
255 |
|
|
if (fd >= 0) |
256 |
|
|
{ |
257 |
|
|
ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */ |
258 |
|
|
close (fd); |
259 |
pcg |
1.1 |
} |
260 |
|
|
# endif |
261 |
root |
1.16 |
|
262 |
pcg |
1.4 |
/* ---------------------------------------- */ |
263 |
|
|
fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
264 |
|
|
if (fd >= 0) |
265 |
|
|
close (fd); /* ouch: still have controlling tty */ |
266 |
root |
1.16 |
|
267 |
pcg |
1.4 |
/* ---------------------------------------- */ |
268 |
pcg |
1.1 |
#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
269 |
pcg |
1.4 |
/* |
270 |
|
|
* Push STREAMS modules: |
271 |
|
|
* ptem: pseudo-terminal hardware emulation module. |
272 |
|
|
* ldterm: standard terminal line discipline. |
273 |
|
|
* ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
274 |
|
|
* |
275 |
pcg |
1.6 |
* After we push the STREAMS modules, the first open () on the slave side |
276 |
pcg |
1.4 |
* (i.e. the next section between the dashes giving us "tty opened OK") |
277 |
|
|
* should make the "ptem" (or "ldterm" depending upon either which OS |
278 |
|
|
* version or which set of manual pages you have) module give us a |
279 |
pcg |
1.6 |
* controlling terminal. We must already have close ()d the master side |
280 |
pcg |
1.4 |
* fd in this child process before we push STREAMS modules on because the |
281 |
pcg |
1.6 |
* documentation is really unclear about whether it is any close () on |
282 |
|
|
* the master side or the last close () - i.e. a proper STREAMS dismantling |
283 |
|
|
* close () - on the master side which causes a hang up to be sent |
284 |
pcg |
1.4 |
* through - Geoff Wing |
285 |
|
|
*/ |
286 |
pcg |
1.1 |
# ifdef HAVE_ISASTREAM |
287 |
pcg |
1.4 |
if (isastream (fd_tty) == 1) |
288 |
pcg |
1.1 |
# endif |
289 |
|
|
{ |
290 |
pcg |
1.4 |
ioctl (fd_tty, I_PUSH, "ptem"); |
291 |
|
|
ioctl (fd_tty, I_PUSH, "ldterm"); |
292 |
|
|
ioctl (fd_tty, I_PUSH, "ttcompat"); |
293 |
pcg |
1.1 |
} |
294 |
|
|
#endif |
295 |
pcg |
1.4 |
/* ---------------------------------------- */ |
296 |
pcg |
1.1 |
# if defined(TIOCSCTTY) |
297 |
pcg |
1.4 |
fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
298 |
pcg |
1.1 |
# elif defined(TIOCSETCTTY) |
299 |
pcg |
1.4 |
fd = ioctl (fd_tty, TIOCSETCTTY, NULL); |
300 |
pcg |
1.1 |
# else |
301 |
pcg |
1.4 |
fd = open (ttydev, O_RDWR); |
302 |
|
|
if (fd >= 0) |
303 |
pcg |
1.6 |
close (fd); |
304 |
pcg |
1.1 |
# endif |
305 |
pcg |
1.4 |
/* ---------------------------------------- */ |
306 |
|
|
fd = open ("/dev/tty", O_WRONLY); |
307 |
|
|
if (fd < 0) |
308 |
|
|
return -1; /* fatal */ |
309 |
|
|
close (fd); |
310 |
|
|
/* ---------------------------------------- */ |
311 |
pcg |
1.1 |
#endif /* ! __QNX__ */ |
312 |
pcg |
1.4 |
|
313 |
|
|
return 0; |
314 |
pcg |
1.1 |
} |
315 |
root |
1.16 |
|
316 |
|
|
#ifndef NO_SETOWNER_TTYDEV |
317 |
|
|
static struct ttyconf { |
318 |
|
|
gid_t gid; |
319 |
|
|
mode_t mode; |
320 |
|
|
|
321 |
|
|
ttyconf () |
322 |
|
|
{ |
323 |
|
|
#ifdef TTY_GID_SUPPORT |
324 |
|
|
struct group *gr = getgrnam ("tty"); |
325 |
|
|
|
326 |
|
|
if (gr) |
327 |
|
|
{ /* change group ownership of tty to "tty" */ |
328 |
|
|
mode = S_IRUSR | S_IWUSR | S_IWGRP; |
329 |
|
|
gid = gr->gr_gid; |
330 |
|
|
} |
331 |
|
|
else |
332 |
|
|
#endif /* TTY_GID_SUPPORT */ |
333 |
|
|
{ |
334 |
|
|
mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; |
335 |
|
|
gid = getgid (); |
336 |
|
|
} |
337 |
|
|
} |
338 |
|
|
} ttyconf; |
339 |
|
|
|
340 |
|
|
void |
341 |
|
|
rxvt_ptytty::privileges (rxvt_privaction action) |
342 |
|
|
{ |
343 |
root |
1.25 |
if (pty < 0) |
344 |
root |
1.23 |
return; |
345 |
|
|
|
346 |
root |
1.16 |
rxvt_privileges (RESTORE); |
347 |
|
|
|
348 |
|
|
if (action == SAVE) |
349 |
|
|
{ |
350 |
|
|
//next_tty_action = RESTORE; |
351 |
|
|
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
352 |
|
|
/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
353 |
|
|
if (lstat (name, &savestat) < 0) /* you lose out */ |
354 |
|
|
;//next_tty_action = IGNORE; |
355 |
|
|
else |
356 |
|
|
# endif |
357 |
|
|
{ |
358 |
|
|
chown (name, getuid (), ttyconf.gid); /* fail silently */ |
359 |
|
|
chmod (name, ttyconf.mode); |
360 |
|
|
# ifdef HAVE_REVOKE |
361 |
|
|
revoke (name); |
362 |
|
|
# endif |
363 |
|
|
} |
364 |
|
|
} |
365 |
|
|
else |
366 |
|
|
{ /* action == RESTORE */ |
367 |
|
|
//next_tty_action = IGNORE; |
368 |
|
|
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
369 |
|
|
chmod (name, savestat.st_mode); |
370 |
|
|
chown (name, savestat.st_uid, savestat.st_gid); |
371 |
|
|
# else |
372 |
|
|
chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
373 |
|
|
chown (name, 0, 0); |
374 |
|
|
# endif |
375 |
|
|
|
376 |
|
|
} |
377 |
|
|
|
378 |
|
|
rxvt_privileges (IGNORE); |
379 |
|
|
} |
380 |
|
|
#endif |
381 |
|
|
|
382 |
|
|
rxvt_ptytty::rxvt_ptytty () |
383 |
|
|
{ |
384 |
|
|
pty = tty = -1; |
385 |
|
|
name = 0; |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
rxvt_ptytty::~rxvt_ptytty () |
389 |
|
|
{ |
390 |
|
|
put (); |
391 |
|
|
} |
392 |
|
|
|
393 |
|
|
void |
394 |
|
|
|
395 |
|
|
rxvt_ptytty::close_tty () |
396 |
|
|
{ |
397 |
|
|
if (tty >= 0) close (tty); |
398 |
|
|
tty = -1; |
399 |
|
|
} |
400 |
|
|
|
401 |
|
|
void |
402 |
|
|
rxvt_ptytty::put () |
403 |
|
|
{ |
404 |
|
|
#ifndef NO_SETOWNER_TTYDEV |
405 |
|
|
if (tty >= 0) |
406 |
|
|
privileges (RESTORE); |
407 |
|
|
#endif |
408 |
|
|
|
409 |
|
|
if (pty >= 0) close (pty); |
410 |
|
|
close_tty (); |
411 |
|
|
free (name); |
412 |
|
|
|
413 |
|
|
pty = tty = -1; |
414 |
|
|
name = 0; |
415 |
|
|
} |
416 |
|
|
|
417 |
|
|
bool |
418 |
|
|
rxvt_ptytty::make_controlling_tty () |
419 |
|
|
{ |
420 |
|
|
return control_tty (tty, name) >= 0; |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
bool |
424 |
|
|
rxvt_ptytty::get () |
425 |
|
|
{ |
426 |
|
|
/* get master (pty) */ |
427 |
|
|
if ((pty = get_pty (&tty, &name)) < 0) |
428 |
|
|
return false; |
429 |
|
|
|
430 |
|
|
fcntl (pty, F_SETFL, O_NONBLOCK); |
431 |
|
|
|
432 |
|
|
/* get slave (tty) */ |
433 |
|
|
if (tty < 0) |
434 |
|
|
{ |
435 |
|
|
#ifndef NO_SETOWNER_TTYDEV |
436 |
|
|
privileges (SAVE); |
437 |
|
|
#endif |
438 |
|
|
|
439 |
|
|
if ((tty = get_tty (name)) < 0) |
440 |
|
|
{ |
441 |
|
|
put (); |
442 |
|
|
return false; |
443 |
|
|
} |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
return true; |
447 |
|
|
} |
448 |
|
|
|
449 |
root |
1.22 |
void |
450 |
|
|
rxvt_ptytty::set_utf8_mode (bool on) |
451 |
|
|
{ |
452 |
|
|
#ifdef IUTF8 |
453 |
|
|
if (pty != -1) |
454 |
|
|
{ |
455 |
|
|
struct termios tio; |
456 |
|
|
|
457 |
|
|
if (tcgetattr (pty, &tio) != -1) |
458 |
|
|
{ |
459 |
|
|
tcflag_t new_cflag = tio.c_iflag; |
460 |
|
|
|
461 |
|
|
if (on) |
462 |
|
|
new_cflag |= IUTF8; |
463 |
|
|
else |
464 |
|
|
new_cflag &= ~IUTF8; |
465 |
|
|
|
466 |
|
|
if (new_cflag != tio.c_iflag) |
467 |
|
|
{ |
468 |
|
|
tio.c_iflag = new_cflag; |
469 |
|
|
tcsetattr (pty, TCSANOW, &tio); |
470 |
|
|
} |
471 |
|
|
} |
472 |
|
|
} |
473 |
|
|
#endif |
474 |
|
|
} |
475 |
|
|
|
476 |
pcg |
1.1 |
/*----------------------- end-of-file (C source) -----------------------*/ |
477 |
root |
1.16 |
|