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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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74 | get_pty (int *fd_tty, char **ttydev) |
74 | get_pty (int *fd_tty, char **ttydev) |
75 | { |
75 | { |
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 | |
81 | rxvt_privileges (RESTORE); |
81 | rxvt_privileges(RESTORE); |
82 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
82 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
83 | rxvt_privileges (IGNORE); |
83 | rxvt_privileges(IGNORE); |
84 | |
84 | |
85 | if (res != -1) |
85 | if (res != -1) |
86 | { |
86 | { |
87 | *ttydev = strdup (tty_name); |
87 | *ttydev = strdup (tty_name); |
88 | return pfd; |
88 | return pfd; |
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94 | if (*ttydev != NULL) |
94 | if (*ttydev != NULL) |
95 | return pfd; |
95 | return pfd; |
96 | #endif |
96 | #endif |
97 | |
97 | |
98 | #ifdef PTYS_ARE_GETPTY |
98 | #ifdef PTYS_ARE_GETPTY |
99 | |
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|
100 | char *ptydev; |
99 | char *ptydev; |
101 | |
100 | |
102 | while ((ptydev = getpty ()) != NULL) |
101 | while ((ptydev = getpty ()) != NULL) |
103 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
102 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
104 | { |
103 | { |
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338 | } ttyconf; |
337 | } ttyconf; |
339 | |
338 | |
340 | void |
339 | void |
341 | rxvt_ptytty::privileges (rxvt_privaction action) |
340 | rxvt_ptytty::privileges (rxvt_privaction action) |
342 | { |
341 | { |
343 | if (pty < 0) |
342 | if (!name || !*name) |
344 | return; |
343 | return; |
345 | |
344 | |
346 | rxvt_privileges (RESTORE); |
345 | rxvt_privileges (RESTORE); |
347 | |
346 | |
348 | if (action == SAVE) |
347 | if (action == SAVE) |
349 | { |
348 | { |
350 | //next_tty_action = RESTORE; |
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351 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
349 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
352 | /* 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 */ |
353 | if (lstat (name, &savestat) < 0) /* you lose out */ |
351 | if (lstat (name, &savestat) < 0) /* you lose out */ |
354 | ;//next_tty_action = IGNORE; |
352 | ; |
355 | else |
353 | else |
356 | # endif |
354 | # endif |
357 | { |
355 | { |
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|
356 | saved = true; |
358 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
357 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
359 | chmod (name, ttyconf.mode); |
358 | chmod (name, ttyconf.mode); |
360 | # ifdef HAVE_REVOKE |
359 | # ifdef HAVE_REVOKE |
361 | revoke (name); |
360 | revoke (name); |
362 | # endif |
361 | # endif |
363 | } |
362 | } |
364 | } |
363 | } |
365 | else |
364 | else |
366 | { /* action == RESTORE */ |
365 | { /* action == RESTORE */ |
367 | //next_tty_action = IGNORE; |
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368 | # 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 | { |
369 | chmod (name, savestat.st_mode); |
369 | chmod (name, savestat.st_mode); |
370 | chown (name, savestat.st_uid, savestat.st_gid); |
370 | chown (name, savestat.st_uid, savestat.st_gid); |
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371 | } |
371 | # else |
372 | # else |
372 | 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)); |
373 | chown (name, 0, 0); |
374 | chown (name, 0, 0); |
374 | # endif |
375 | # endif |
375 | |
376 | |
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381 | |
382 | |
382 | rxvt_ptytty::rxvt_ptytty () |
383 | rxvt_ptytty::rxvt_ptytty () |
383 | { |
384 | { |
384 | pty = tty = -1; |
385 | pty = tty = -1; |
385 | 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 |
386 | } |
390 | } |
387 | |
391 | |
388 | rxvt_ptytty::~rxvt_ptytty () |
392 | rxvt_ptytty::~rxvt_ptytty () |
389 | { |
393 | { |
390 | put (); |
394 | put (); |
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392 | |
396 | |
393 | void |
397 | void |
394 | |
398 | |
395 | rxvt_ptytty::close_tty () |
399 | rxvt_ptytty::close_tty () |
396 | { |
400 | { |
397 | 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); |
398 | tty = -1; |
405 | tty = -1; |
399 | } |
406 | } |
400 | |
407 | |
401 | void |
408 | void |
402 | rxvt_ptytty::put () |
409 | rxvt_ptytty::put () |
403 | { |
410 | { |
404 | #ifndef NO_SETOWNER_TTYDEV |
411 | #ifndef NO_SETOWNER_TTYDEV |
405 | if (tty >= 0) |
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406 | privileges (RESTORE); |
412 | privileges (RESTORE); |
407 | #endif |
413 | #endif |
408 | |
414 | |
409 | if (pty >= 0) close (pty); |
415 | if (pty >= 0) close (pty); |
410 | close_tty (); |
416 | close_tty (); |
411 | free (name); |
417 | free (name); |
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448 | |
454 | |
449 | void |
455 | void |
450 | rxvt_ptytty::set_utf8_mode (bool on) |
456 | rxvt_ptytty::set_utf8_mode (bool on) |
451 | { |
457 | { |
452 | #ifdef IUTF8 |
458 | #ifdef IUTF8 |
453 | if (pty != -1) |
459 | if (pty < 0) |
454 | { |
460 | return; |
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461 | |
455 | struct termios tio; |
462 | struct termios tio; |
456 | |
463 | |
457 | 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) |
458 | { |
474 | { |
459 | tcflag_t new_cflag = tio.c_iflag; |
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460 | |
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461 | if (on) |
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462 | new_cflag |= IUTF8; |
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463 | else |
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464 | new_cflag &= ~IUTF8; |
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465 | |
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466 | if (new_cflag != tio.c_iflag) |
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467 | { |
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468 | tio.c_iflag = new_cflag; |
475 | tio.c_iflag = new_cflag; |
469 | tcsetattr (pty, TCSANOW, &tio); |
476 | tcsetattr (pty, TCSANOW, &tio); |
470 | } |
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471 | } |
477 | } |
472 | } |
478 | } |
473 | #endif |
479 | #endif |
474 | } |
480 | } |
475 | |
481 | |