ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/ptytty.C
(Generate patch)

Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.18 by root, Sun Dec 12 05:54:05 2004 UTC vs.
Revision 1.35 by root, Tue Jan 17 10:19:13 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 48#if defined(HAVE_PTY_H)
52// better do this via configure, but.... 49# include <pty.h>
53#if defined(__FreeBSD__) 50#elif defined(HAVE_LIBUTIL_H)
54# include <libutil.h> 51# include <libutil.h>
55#elif defined(__DARWIN__) || (defined (__MACH__) && defined (__APPLE__)) 52#elif defined(HAVE_UTIL_H)
56# include <util.h> 53# include <util.h>
57#endif 54#endif
58 55
59#include <cstdio> 56#include <cstdio>
60#include <grp.h> 57#include <grp.h>
73 int pfd; 70 int pfd;
74 71
75#ifdef PTYS_ARE_OPENPTY 72#ifdef PTYS_ARE_OPENPTY
76 char tty_name[sizeof "/dev/pts/????\0"]; 73 char tty_name[sizeof "/dev/pts/????\0"];
77 74
75 rxvt_privileges(RESTORE);
78 if (openpty (&pfd, fd_tty, tty_name, NULL, NULL) != -1) 76 int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL);
77 rxvt_privileges(IGNORE);
78
79 if (res != -1)
79 { 80 {
80 *ttydev = strdup (tty_name); 81 *ttydev = strdup (tty_name);
81 return pfd; 82 return pfd;
82 } 83 }
83#endif 84#endif
86 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); 87 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0);
87 if (*ttydev != NULL) 88 if (*ttydev != NULL)
88 return pfd; 89 return pfd;
89#endif 90#endif
90 91
91#ifdef PTYS_ARE_GETPTY
92
93 char *ptydev;
94
95 while ((ptydev = getpty ()) != NULL)
96 if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0)
97 {
98 *ttydev = ptydev;
99 return pfd;
100 }
101#endif
102
103#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) 92#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT)
104# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) 93# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX)
105 94
106 { 95 {
107# ifdef PTYS_ARE_GETPT 96# ifdef PTYS_ARE_GETPT
108 pfd = getpt (); 97 pfd = getpt();
98# else
99# ifdef PTYS_ARE_POSIX
100 pfd = posix_openpt (O_RDWR);
109# else 101# else
110 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); 102 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0);
103# endif
111# endif 104# endif
112 105
113 if (pfd >= 0) 106 if (pfd >= 0)
114 { 107 {
115 if (grantpt (pfd) == 0 /* change slave permissions */ 108 if (grantpt (pfd) == 0 /* change slave permissions */
331} ttyconf; 324} ttyconf;
332 325
333void 326void
334rxvt_ptytty::privileges (rxvt_privaction action) 327rxvt_ptytty::privileges (rxvt_privaction action)
335{ 328{
329 if (!name || !*name)
330 return;
331
336 rxvt_privileges (RESTORE); 332 rxvt_privileges (RESTORE);
337 333
338 if (action == SAVE) 334 if (action == SAVE)
339 { 335 {
340 //next_tty_action = RESTORE;
341# ifndef RESET_TTY_TO_COMMON_DEFAULTS 336# ifndef RESET_TTY_TO_COMMON_DEFAULTS
342 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ 337 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
343 if (lstat (name, &savestat) < 0) /* you lose out */ 338 if (lstat (name, &savestat) < 0) /* you lose out */
344 ;//next_tty_action = IGNORE; 339 ;
345 else 340 else
346# endif 341# endif
347
348 { 342 {
343 saved = true;
349 chown (name, getuid (), ttyconf.gid); /* fail silently */ 344 chown (name, getuid (), ttyconf.gid); /* fail silently */
350 chmod (name, ttyconf.mode); 345 chmod (name, ttyconf.mode);
351# ifdef HAVE_REVOKE 346# ifdef HAVE_REVOKE
352 revoke (name); 347 revoke (name);
353# endif 348# endif
354
355 } 349 }
356 } 350 }
357 else 351 else
358 { /* action == RESTORE */ 352 { /* action == RESTORE */
359 //next_tty_action = IGNORE;
360# ifndef RESET_TTY_TO_COMMON_DEFAULTS 353# ifndef RESET_TTY_TO_COMMON_DEFAULTS
354 if (saved)
355 {
361 chmod (name, savestat.st_mode); 356 chmod (name, savestat.st_mode);
362 chown (name, savestat.st_uid, savestat.st_gid); 357 chown (name, savestat.st_uid, savestat.st_gid);
358 }
363# else 359# else
364 chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); 360 chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
365 chown (name, 0, 0); 361 chown (name, 0, 0);
366# endif 362# endif
367 363
373 369
374rxvt_ptytty::rxvt_ptytty () 370rxvt_ptytty::rxvt_ptytty ()
375{ 371{
376 pty = tty = -1; 372 pty = tty = -1;
377 name = 0; 373 name = 0;
374#ifndef NO_SETOWNER_TTYDEV
375 saved = false;
376#endif
377#if UTMP_SUPPORT
378 cmd_pid = 0;
379#endif
378} 380}
379 381
380rxvt_ptytty::~rxvt_ptytty () 382rxvt_ptytty::~rxvt_ptytty ()
381{ 383{
384 logout ();
382 put (); 385 put ();
383} 386}
384 387
385void 388void
386 389
387rxvt_ptytty::close_tty () 390rxvt_ptytty::close_tty ()
388{ 391{
389 if (tty >= 0) close (tty); 392 if (tty < 0)
393 return;
394
395 close (tty);
390 tty = -1; 396 tty = -1;
391} 397}
392 398
393void 399void
394rxvt_ptytty::put () 400rxvt_ptytty::put ()
395{ 401{
396#ifndef NO_SETOWNER_TTYDEV 402#ifndef NO_SETOWNER_TTYDEV
397 if (tty >= 0)
398 privileges (RESTORE); 403 privileges (RESTORE);
399#endif 404#endif
400 405
401 if (pty >= 0) close (pty); 406 if (pty >= 0) close (pty);
402 close_tty (); 407 close_tty ();
403 free (name); 408 free (name);
436 } 441 }
437 442
438 return true; 443 return true;
439} 444}
440 445
446void
447rxvt_ptytty::set_utf8_mode (bool on)
448{
449#ifdef IUTF8
450 if (pty < 0)
451 return;
452
453 struct termios tio;
454
455 if (tcgetattr (pty, &tio) != -1)
456 {
457 tcflag_t new_cflag = tio.c_iflag;
458
459 if (on)
460 new_cflag |= IUTF8;
461 else
462 new_cflag &= ~IUTF8;
463
464 if (new_cflag != tio.c_iflag)
465 {
466 tio.c_iflag = new_cflag;
467 tcsetattr (pty, TCSANOW, &tio);
468 }
469 }
470#endif
471}
472
441/*----------------------- end-of-file (C source) -----------------------*/ 473/*----------------------- end-of-file (C source) -----------------------*/
442 474

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines