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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. |
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76 | int pfd; |
76 | int pfd; |
77 | |
77 | |
78 | #ifdef PTYS_ARE_OPENPTY |
78 | #ifdef PTYS_ARE_OPENPTY |
79 | char tty_name[sizeof "/dev/pts/????\0"]; |
79 | char tty_name[sizeof "/dev/pts/????\0"]; |
80 | |
80 | |
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81 | rxvt_privileges(RESTORE); |
81 | if (openpty (&pfd, fd_tty, tty_name, NULL, NULL) != -1) |
82 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
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83 | rxvt_privileges(IGNORE); |
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84 | |
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85 | if (res != -1) |
82 | { |
86 | { |
83 | *ttydev = strdup (tty_name); |
87 | *ttydev = strdup (tty_name); |
84 | return pfd; |
88 | return pfd; |
85 | } |
89 | } |
86 | #endif |
90 | #endif |
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90 | if (*ttydev != NULL) |
94 | if (*ttydev != NULL) |
91 | return pfd; |
95 | return pfd; |
92 | #endif |
96 | #endif |
93 | |
97 | |
94 | #ifdef PTYS_ARE_GETPTY |
98 | #ifdef PTYS_ARE_GETPTY |
95 | |
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96 | char *ptydev; |
99 | char *ptydev; |
97 | |
100 | |
98 | while ((ptydev = getpty ()) != NULL) |
101 | while ((ptydev = getpty ()) != NULL) |
99 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
102 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
100 | { |
103 | { |
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334 | } ttyconf; |
337 | } ttyconf; |
335 | |
338 | |
336 | void |
339 | void |
337 | rxvt_ptytty::privileges (rxvt_privaction action) |
340 | rxvt_ptytty::privileges (rxvt_privaction action) |
338 | { |
341 | { |
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342 | if (!name || !*name) |
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343 | return; |
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344 | |
339 | rxvt_privileges (RESTORE); |
345 | rxvt_privileges (RESTORE); |
340 | |
346 | |
341 | if (action == SAVE) |
347 | if (action == SAVE) |
342 | { |
348 | { |
343 | //next_tty_action = RESTORE; |
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344 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
349 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
345 | /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
350 | /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
346 | if (lstat (name, &savestat) < 0) /* you lose out */ |
351 | if (lstat (name, &savestat) < 0) /* you lose out */ |
347 | ;//next_tty_action = IGNORE; |
352 | ; |
348 | else |
353 | else |
349 | # endif |
354 | # endif |
350 | |
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351 | { |
355 | { |
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356 | saved = true; |
352 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
357 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
353 | chmod (name, ttyconf.mode); |
358 | chmod (name, ttyconf.mode); |
354 | # ifdef HAVE_REVOKE |
359 | # ifdef HAVE_REVOKE |
355 | revoke (name); |
360 | revoke (name); |
356 | # endif |
361 | # endif |
357 | |
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358 | } |
362 | } |
359 | } |
363 | } |
360 | else |
364 | else |
361 | { /* action == RESTORE */ |
365 | { /* action == RESTORE */ |
362 | //next_tty_action = IGNORE; |
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363 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
366 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
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367 | if (saved) |
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368 | { |
364 | chmod (name, savestat.st_mode); |
369 | chmod (name, savestat.st_mode); |
365 | chown (name, savestat.st_uid, savestat.st_gid); |
370 | chown (name, savestat.st_uid, savestat.st_gid); |
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371 | } |
366 | # else |
372 | # else |
367 | chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
373 | chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
368 | chown (name, 0, 0); |
374 | chown (name, 0, 0); |
369 | # endif |
375 | # endif |
370 | |
376 | |
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376 | |
382 | |
377 | rxvt_ptytty::rxvt_ptytty () |
383 | rxvt_ptytty::rxvt_ptytty () |
378 | { |
384 | { |
379 | pty = tty = -1; |
385 | pty = tty = -1; |
380 | name = 0; |
386 | name = 0; |
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387 | #ifndef NO_SETOWNER_TTYDEV |
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388 | saved = false; |
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389 | #endif |
381 | } |
390 | } |
382 | |
391 | |
383 | rxvt_ptytty::~rxvt_ptytty () |
392 | rxvt_ptytty::~rxvt_ptytty () |
384 | { |
393 | { |
385 | put (); |
394 | put (); |
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387 | |
396 | |
388 | void |
397 | void |
389 | |
398 | |
390 | rxvt_ptytty::close_tty () |
399 | rxvt_ptytty::close_tty () |
391 | { |
400 | { |
392 | if (tty >= 0) close (tty); |
401 | if (tty < 0) |
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402 | return; |
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403 | |
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404 | close (tty); |
393 | tty = -1; |
405 | tty = -1; |
394 | } |
406 | } |
395 | |
407 | |
396 | void |
408 | void |
397 | rxvt_ptytty::put () |
409 | rxvt_ptytty::put () |
398 | { |
410 | { |
399 | #ifndef NO_SETOWNER_TTYDEV |
411 | #ifndef NO_SETOWNER_TTYDEV |
400 | if (tty >= 0) |
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401 | privileges (RESTORE); |
412 | privileges (RESTORE); |
402 | #endif |
413 | #endif |
403 | |
414 | |
404 | if (pty >= 0) close (pty); |
415 | if (pty >= 0) close (pty); |
405 | close_tty (); |
416 | close_tty (); |
406 | free (name); |
417 | free (name); |
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443 | |
454 | |
444 | void |
455 | void |
445 | rxvt_ptytty::set_utf8_mode (bool on) |
456 | rxvt_ptytty::set_utf8_mode (bool on) |
446 | { |
457 | { |
447 | #ifdef IUTF8 |
458 | #ifdef IUTF8 |
448 | if (pty != -1) |
459 | if (pty < 0) |
449 | { |
460 | return; |
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461 | |
450 | struct termios tio; |
462 | struct termios tio; |
451 | |
463 | |
452 | if (tcgetattr (pty, &tio) != -1) |
464 | if (tcgetattr (pty, &tio) != -1) |
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465 | { |
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466 | tcflag_t new_cflag = tio.c_iflag; |
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467 | |
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468 | if (on) |
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469 | new_cflag |= IUTF8; |
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470 | else |
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471 | new_cflag &= ~IUTF8; |
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472 | |
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473 | if (new_cflag != tio.c_iflag) |
453 | { |
474 | { |
454 | tcflag_t new_cflag = tio.c_iflag; |
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455 | |
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456 | if (on) |
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457 | new_cflag |= IUTF8; |
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458 | else |
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459 | new_cflag &= ~IUTF8; |
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460 | |
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461 | if (new_cflag != tio.c_iflag) |
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462 | { |
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463 | tio.c_iflag = new_cflag; |
475 | tio.c_iflag = new_cflag; |
464 | tcsetattr (pty, TCSANOW, &tio); |
476 | tcsetattr (pty, TCSANOW, &tio); |
465 | } |
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466 | } |
477 | } |
467 | } |
478 | } |
468 | #endif |
479 | #endif |
469 | } |
480 | } |
470 | |
481 | |