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Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.27 by root, Tue Jan 3 16:32:33 2006 UTC vs.
Revision 1.36 by root, Tue Jan 17 10:59:32 2006 UTC

… …
2 * File: ptytty.C 2 * File: ptytty.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> 6 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
7 * Copyright (c) 2004 Marc Lehmann <pcg@goof.com> 7 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
8 * 8 *
9 * This program is free software; you can redistribute it and/or modify 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 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 11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version. 12 * (at your option) any later version.
… …
22 *---------------------------------------------------------------------*/ 22 *---------------------------------------------------------------------*/
23 23
24#include "../config.h" /* NECESSARY */ 24#include "../config.h" /* NECESSARY */
25#include "rxvt.h" 25#include "rxvt.h"
26 26
27#ifdef HAVE_STDLIB_H
28# include <cstdlib> 27# include <cstdlib>
29#endif 28# include <cstring>
29
30#ifdef HAVE_SYS_TYPES_H 30#ifdef HAVE_SYS_TYPES_H
31# include <sys/types.h> 31# include <sys/types.h>
32#endif 32#endif
33#ifdef HAVE_UNISTD_H 33#ifdef HAVE_UNISTD_H
34# include <unistd.h> 34# include <unistd.h>
35#endif 35#endif
36#if defined(HAVE_STRING_H)
37# include <cstring>
38#endif
39#ifdef HAVE_FCNTL_H 36#ifdef HAVE_FCNTL_H
40# include <fcntl.h> 37# include <fcntl.h>
41#endif 38#endif
42#ifdef HAVE_SYS_IOCTL_H 39#ifdef HAVE_SYS_IOCTL_H
43# include <sys/ioctl.h> 40# include <sys/ioctl.h>
… …
46# include <sys/stropts.h> /* for I_PUSH */ 43# include <sys/stropts.h> /* for I_PUSH */
47#endif 44#endif
48#ifdef HAVE_ISASTREAM 45#ifdef HAVE_ISASTREAM
49# include <stropts.h> 46# include <stropts.h>
50#endif 47#endif
51#ifdef HAVE_PTY_H 48#if defined(HAVE_PTY_H)
52# include <pty.h> 49# include <pty.h>
53#endif 50#elif defined(HAVE_LIBUTIL_H)
54
55// better do this via configure, but....
56#if defined(__FreeBSD__)
57# include <libutil.h> 51# include <libutil.h>
58#elif defined(__DARWIN__) || (defined (__MACH__) && defined (__APPLE__)) 52#elif defined(HAVE_UTIL_H)
59# include <util.h> 53# include <util.h>
60#endif 54#endif
61 55
62#include <cstdio> 56#include <cstdio>
63#include <grp.h> 57#include <grp.h>
58
59/////////////////////////////////////////////////////////////////////////////
64 60
65/* ------------------------------------------------------------------------- * 61/* ------------------------------------------------------------------------- *
66 * GET PSEUDO TELETYPE - MASTER AND SLAVE * 62 * GET PSEUDO TELETYPE - MASTER AND SLAVE *
67 * ------------------------------------------------------------------------- */ 63 * ------------------------------------------------------------------------- */
68/* 64/*
… …
93 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); 89 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0);
94 if (*ttydev != NULL) 90 if (*ttydev != NULL)
95 return pfd; 91 return pfd;
96#endif 92#endif
97 93
98#ifdef PTYS_ARE_GETPTY
99 char *ptydev;
100
101 while ((ptydev = getpty ()) != NULL)
102 if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0)
103 {
104 *ttydev = ptydev;
105 return pfd;
106 }
107#endif
108
109#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) 94#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT)
110# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) 95# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX)
111 96
112 { 97 {
113# ifdef PTYS_ARE_GETPT 98# ifdef PTYS_ARE_GETPT
114 pfd = getpt (); 99 pfd = getpt();
100# else
101# ifdef PTYS_ARE_POSIX
102 pfd = posix_openpt (O_RDWR);
115# else 103# else
116 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); 104 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0);
105# endif
117# endif 106# endif
118 107
119 if (pfd >= 0) 108 if (pfd >= 0)
120 { 109 {
121 if (grantpt (pfd) == 0 /* change slave permissions */ 110 if (grantpt (pfd) == 0 /* change slave permissions */
… …
231/*----------------------------------------------------------------------*/ 220/*----------------------------------------------------------------------*/
232/* 221/*
233 * Make our tty a controlling tty so that /dev/tty points to us 222 * Make our tty a controlling tty so that /dev/tty points to us
234 */ 223 */
235static int 224static int
236control_tty (int fd_tty, const char *ttydev) 225control_tty (int fd_tty)
237{ 226{
238#ifndef __QNX__ 227#ifndef __QNX__
239 int fd; 228 int fd;
240 229
241 /* ---------------------------------------- */ 230 /* ---------------------------------------- */
… …
262 fd = open ("/dev/tty", O_RDWR | O_NOCTTY); 251 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
263 if (fd >= 0) 252 if (fd >= 0)
264 close (fd); /* ouch: still have controlling tty */ 253 close (fd); /* ouch: still have controlling tty */
265 254
266 /* ---------------------------------------- */ 255 /* ---------------------------------------- */
267#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 256# if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
268 /* 257 /*
269 * Push STREAMS modules: 258 * Push STREAMS modules:
270 * ptem: pseudo-terminal hardware emulation module. 259 * ptem: pseudo-terminal hardware emulation module.
271 * ldterm: standard terminal line discipline. 260 * ldterm: standard terminal line discipline.
272 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 261 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
… …
280 * documentation is really unclear about whether it is any close () on 269 * documentation is really unclear about whether it is any close () on
281 * the master side or the last close () - i.e. a proper STREAMS dismantling 270 * the master side or the last close () - i.e. a proper STREAMS dismantling
282 * close () - on the master side which causes a hang up to be sent 271 * close () - on the master side which causes a hang up to be sent
283 * through - Geoff Wing 272 * through - Geoff Wing
284 */ 273 */
285# ifdef HAVE_ISASTREAM 274# ifdef HAVE_ISASTREAM
286 if (isastream (fd_tty) == 1) 275 if (isastream (fd_tty) == 1)
287# endif 276# endif
288 { 277 {
289 ioctl (fd_tty, I_PUSH, "ptem"); 278 ioctl (fd_tty, I_PUSH, "ptem");
290 ioctl (fd_tty, I_PUSH, "ldterm"); 279 ioctl (fd_tty, I_PUSH, "ldterm");
291 ioctl (fd_tty, I_PUSH, "ttcompat"); 280 ioctl (fd_tty, I_PUSH, "ttcompat");
292 } 281 }
293#endif 282# endif
294 /* ---------------------------------------- */ 283 /* ---------------------------------------- */
295# if defined(TIOCSCTTY)
296 fd = ioctl (fd_tty, TIOCSCTTY, NULL); 284 fd = ioctl (fd_tty, TIOCSCTTY, NULL);
297# elif defined(TIOCSETCTTY)
298 fd = ioctl (fd_tty, TIOCSETCTTY, NULL);
299# else
300 fd = open (ttydev, O_RDWR);
301 if (fd >= 0)
302 close (fd);
303# endif
304 /* ---------------------------------------- */ 285 /* ---------------------------------------- */
305 fd = open ("/dev/tty", O_WRONLY); 286 fd = open ("/dev/tty", O_WRONLY);
306 if (fd < 0) 287 if (fd < 0)
307 return -1; /* fatal */ 288 return -1; /* fatal */
308 close (fd); 289 close (fd);
309 /* ---------------------------------------- */ 290 /* ---------------------------------------- */
310#endif /* ! __QNX__ */ 291#endif /* ! __QNX__ */
311 292
312 return 0; 293 return 0;
313} 294}
295
296void
297rxvt_ptytty::close_tty ()
298{
299 if (tty < 0)
300 return;
301
302 close (tty);
303 tty = -1;
304}
305
306bool
307rxvt_ptytty::make_controlling_tty ()
308{
309 return control_tty (tty) >= 0;
310}
311
312void
313rxvt_ptytty::set_utf8_mode (bool on)
314{
315#ifdef IUTF8
316 if (pty < 0)
317 return;
318
319 struct termios tio;
320
321 if (tcgetattr (pty, &tio) != -1)
322 {
323 tcflag_t new_cflag = tio.c_iflag;
324
325 if (on)
326 new_cflag |= IUTF8;
327 else
328 new_cflag &= ~IUTF8;
329
330 if (new_cflag != tio.c_iflag)
331 {
332 tio.c_iflag = new_cflag;
333 tcsetattr (pty, TCSANOW, &tio);
334 }
335 }
336#endif
337}
338
339/////////////////////////////////////////////////////////////////////////////
314 340
315#ifndef NO_SETOWNER_TTYDEV 341#ifndef NO_SETOWNER_TTYDEV
316static struct ttyconf { 342static struct ttyconf {
317 gid_t gid; 343 gid_t gid;
318 mode_t mode; 344 mode_t mode;
… …
334 gid = getgid (); 360 gid = getgid ();
335 } 361 }
336 } 362 }
337} ttyconf; 363} ttyconf;
338 364
365/////////////////////////////////////////////////////////////////////////////
366
339void 367void
340rxvt_ptytty::privileges (rxvt_privaction action) 368rxvt_ptytty_unix::privileges (rxvt_privaction action)
341{ 369{
342 if (!name || !*name) 370 if (!name || !*name)
343 return; 371 return;
344 372
345 rxvt_privileges (RESTORE); 373 rxvt_privileges (RESTORE);
… …
378 406
379 rxvt_privileges (IGNORE); 407 rxvt_privileges (IGNORE);
380} 408}
381#endif 409#endif
382 410
383rxvt_ptytty::rxvt_ptytty () 411rxvt_ptytty_unix::rxvt_ptytty_unix ()
384{ 412{
385 pty = tty = -1; 413 pty = tty = -1;
386 name = 0; 414 name = 0;
387#ifndef NO_SETOWNER_TTYDEV 415#ifndef NO_SETOWNER_TTYDEV
388 saved = false; 416 saved = false;
389#endif 417#endif
418#if UTMP_SUPPORT
419 cmd_pid = 0;
420#endif
390} 421}
391 422
392rxvt_ptytty::~rxvt_ptytty () 423rxvt_ptytty_unix::~rxvt_ptytty_unix ()
393{ 424{
425 logout ();
394 put (); 426 put ();
395} 427}
396 428
397void 429void
398
399rxvt_ptytty::close_tty ()
400{
401 if (tty >= 0) close (tty);
402 tty = -1;
403}
404
405void
406rxvt_ptytty::put () 430rxvt_ptytty_unix::put ()
407{ 431{
408#ifndef NO_SETOWNER_TTYDEV 432#ifndef NO_SETOWNER_TTYDEV
409 if (tty >= 0)
410 privileges (RESTORE); 433 privileges (RESTORE);
411#endif 434#endif
412 435
413 if (pty >= 0) close (pty); 436 if (pty >= 0) close (pty);
414 close_tty (); 437 close_tty ();
415 free (name); 438 free (name);
… …
417 pty = tty = -1; 440 pty = tty = -1;
418 name = 0; 441 name = 0;
419} 442}
420 443
421bool 444bool
422rxvt_ptytty::make_controlling_tty ()
423{
424 return control_tty (tty, name) >= 0;
425}
426
427bool
428rxvt_ptytty::get () 445rxvt_ptytty_unix::get ()
429{ 446{
430 /* get master (pty) */ 447 /* get master (pty) */
431 if ((pty = get_pty (&tty, &name)) < 0) 448 if ((pty = get_pty (&tty, &name)) < 0)
432 return false; 449 return false;
433 450
… …
448 } 465 }
449 466
450 return true; 467 return true;
451} 468}
452 469
453void
454rxvt_ptytty::set_utf8_mode (bool on)
455{
456#ifdef IUTF8
457 if (pty != -1)
458 {
459 struct termios tio;
460
461 if (tcgetattr (pty, &tio) != -1)
462 {
463 tcflag_t new_cflag = tio.c_iflag;
464
465 if (on)
466 new_cflag |= IUTF8;
467 else
468 new_cflag &= ~IUTF8;
469
470 if (new_cflag != tio.c_iflag)
471 {
472 tio.c_iflag = new_cflag;
473 tcsetattr (pty, TCSANOW, &tio);
474 }
475 }
476 }
477#endif
478}
479
480/*----------------------- end-of-file (C source) -----------------------*/ 470/*----------------------- end-of-file (C source) -----------------------*/
481 471

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