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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 |
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|
28 | # include <cstdlib> |
27 | # include <cstdlib> |
29 | #endif |
28 | # include <cstring> |
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|
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> |
… | |
… | |
76 | int pfd; |
70 | int pfd; |
77 | |
71 | |
78 | #ifdef PTYS_ARE_OPENPTY |
72 | #ifdef PTYS_ARE_OPENPTY |
79 | char tty_name[sizeof "/dev/pts/????\0"]; |
73 | char tty_name[sizeof "/dev/pts/????\0"]; |
80 | |
74 | |
|
|
75 | rxvt_privileges(RESTORE); |
81 | 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) |
82 | { |
80 | { |
83 | *ttydev = strdup (tty_name); |
81 | *ttydev = strdup (tty_name); |
84 | return pfd; |
82 | return pfd; |
85 | } |
83 | } |
86 | #endif |
84 | #endif |
… | |
… | |
89 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
87 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
90 | if (*ttydev != NULL) |
88 | if (*ttydev != NULL) |
91 | return pfd; |
89 | return pfd; |
92 | #endif |
90 | #endif |
93 | |
91 | |
94 | #ifdef PTYS_ARE_GETPTY |
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95 | |
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96 | char *ptydev; |
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97 | |
|
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98 | while ((ptydev = getpty ()) != NULL) |
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99 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
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100 | { |
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101 | *ttydev = ptydev; |
|
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102 | return pfd; |
|
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103 | } |
|
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104 | #endif |
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105 | |
|
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106 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
92 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
107 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) |
93 | # if defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX) |
108 | |
94 | |
109 | { |
95 | { |
110 | # ifdef PTYS_ARE_GETPT |
96 | # ifdef PTYS_ARE_POSIX |
111 | pfd = getpt (); |
97 | pfd = posix_openpt (O_RDWR); |
112 | # else |
98 | # else |
113 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
99 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
114 | # endif |
100 | # endif |
115 | |
101 | |
116 | if (pfd >= 0) |
102 | if (pfd >= 0) |
… | |
… | |
334 | } ttyconf; |
320 | } ttyconf; |
335 | |
321 | |
336 | void |
322 | void |
337 | rxvt_ptytty::privileges (rxvt_privaction action) |
323 | rxvt_ptytty::privileges (rxvt_privaction action) |
338 | { |
324 | { |
339 | if (tty < 0) |
325 | if (!name || !*name) |
340 | return; |
326 | return; |
341 | |
327 | |
342 | rxvt_privileges (RESTORE); |
328 | rxvt_privileges (RESTORE); |
343 | |
329 | |
344 | if (action == SAVE) |
330 | if (action == SAVE) |
345 | { |
331 | { |
346 | //next_tty_action = RESTORE; |
|
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347 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
332 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
348 | /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
333 | /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
349 | if (lstat (name, &savestat) < 0) /* you lose out */ |
334 | if (lstat (name, &savestat) < 0) /* you lose out */ |
350 | ;//next_tty_action = IGNORE; |
335 | ; |
351 | else |
336 | else |
352 | # endif |
337 | # endif |
353 | { |
338 | { |
|
|
339 | saved = true; |
354 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
340 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
355 | chmod (name, ttyconf.mode); |
341 | chmod (name, ttyconf.mode); |
356 | # ifdef HAVE_REVOKE |
342 | # ifdef HAVE_REVOKE |
357 | revoke (name); |
343 | revoke (name); |
358 | # endif |
344 | # endif |
359 | } |
345 | } |
360 | } |
346 | } |
361 | else |
347 | else |
362 | { /* action == RESTORE */ |
348 | { /* action == RESTORE */ |
363 | //next_tty_action = IGNORE; |
|
|
364 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
349 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
|
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350 | if (saved) |
|
|
351 | { |
365 | chmod (name, savestat.st_mode); |
352 | chmod (name, savestat.st_mode); |
366 | chown (name, savestat.st_uid, savestat.st_gid); |
353 | chown (name, savestat.st_uid, savestat.st_gid); |
|
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354 | } |
367 | # else |
355 | # else |
368 | chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
356 | chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
369 | chown (name, 0, 0); |
357 | chown (name, 0, 0); |
370 | # endif |
358 | # endif |
371 | |
359 | |
… | |
… | |
377 | |
365 | |
378 | rxvt_ptytty::rxvt_ptytty () |
366 | rxvt_ptytty::rxvt_ptytty () |
379 | { |
367 | { |
380 | pty = tty = -1; |
368 | pty = tty = -1; |
381 | name = 0; |
369 | name = 0; |
|
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370 | #ifndef NO_SETOWNER_TTYDEV |
|
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371 | saved = false; |
|
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372 | #endif |
382 | } |
373 | } |
383 | |
374 | |
384 | rxvt_ptytty::~rxvt_ptytty () |
375 | rxvt_ptytty::~rxvt_ptytty () |
385 | { |
376 | { |
386 | put (); |
377 | put (); |
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388 | |
379 | |
389 | void |
380 | void |
390 | |
381 | |
391 | rxvt_ptytty::close_tty () |
382 | rxvt_ptytty::close_tty () |
392 | { |
383 | { |
393 | if (tty >= 0) close (tty); |
384 | if (tty < 0) |
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385 | return; |
|
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386 | |
|
|
387 | close (tty); |
394 | tty = -1; |
388 | tty = -1; |
395 | } |
389 | } |
396 | |
390 | |
397 | void |
391 | void |
398 | rxvt_ptytty::put () |
392 | rxvt_ptytty::put () |
399 | { |
393 | { |
400 | #ifndef NO_SETOWNER_TTYDEV |
394 | #ifndef NO_SETOWNER_TTYDEV |
401 | if (tty >= 0) |
|
|
402 | privileges (RESTORE); |
395 | privileges (RESTORE); |
403 | #endif |
396 | #endif |
404 | |
397 | |
405 | if (pty >= 0) close (pty); |
398 | if (pty >= 0) close (pty); |
406 | close_tty (); |
399 | close_tty (); |
407 | free (name); |
400 | free (name); |
… | |
… | |
444 | |
437 | |
445 | void |
438 | void |
446 | rxvt_ptytty::set_utf8_mode (bool on) |
439 | rxvt_ptytty::set_utf8_mode (bool on) |
447 | { |
440 | { |
448 | #ifdef IUTF8 |
441 | #ifdef IUTF8 |
449 | if (pty != -1) |
442 | if (pty < 0) |
450 | { |
443 | return; |
|
|
444 | |
451 | struct termios tio; |
445 | struct termios tio; |
452 | |
446 | |
453 | if (tcgetattr (pty, &tio) != -1) |
447 | if (tcgetattr (pty, &tio) != -1) |
|
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448 | { |
|
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449 | tcflag_t new_cflag = tio.c_iflag; |
|
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450 | |
|
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451 | if (on) |
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452 | new_cflag |= IUTF8; |
|
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453 | else |
|
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454 | new_cflag &= ~IUTF8; |
|
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455 | |
|
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456 | if (new_cflag != tio.c_iflag) |
454 | { |
457 | { |
455 | tcflag_t new_cflag = tio.c_iflag; |
|
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456 | |
|
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457 | if (on) |
|
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458 | new_cflag |= IUTF8; |
|
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459 | else |
|
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460 | new_cflag &= ~IUTF8; |
|
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461 | |
|
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462 | if (new_cflag != tio.c_iflag) |
|
|
463 | { |
|
|
464 | tio.c_iflag = new_cflag; |
458 | tio.c_iflag = new_cflag; |
465 | tcsetattr (pty, TCSANOW, &tio); |
459 | tcsetattr (pty, TCSANOW, &tio); |
466 | } |
|
|
467 | } |
460 | } |
468 | } |
461 | } |
469 | #endif |
462 | #endif |
470 | } |
463 | } |
471 | |
464 | |