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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> |
|
|
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__) |
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 | |
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|
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 |
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92 | |
|
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93 | char *ptydev; |
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94 | |
|
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95 | while ((ptydev = getpty ()) != NULL) |
|
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96 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
|
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97 | { |
|
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98 | *ttydev = ptydev; |
|
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99 | return pfd; |
|
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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_POSIX) || defined(PTYS_ARE_PTMX) |
105 | |
94 | |
106 | { |
95 | { |
107 | # ifdef PTYS_ARE_GETPT |
96 | # ifdef PTYS_ARE_POSIX |
108 | pfd = getpt (); |
97 | pfd = posix_openpt (O_RDWR); |
109 | # else |
98 | # else |
110 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
99 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
111 | # endif |
100 | # endif |
112 | |
101 | |
113 | if (pfd >= 0) |
102 | if (pfd >= 0) |
… | |
… | |
331 | } ttyconf; |
320 | } ttyconf; |
332 | |
321 | |
333 | void |
322 | void |
334 | rxvt_ptytty::privileges (rxvt_privaction action) |
323 | rxvt_ptytty::privileges (rxvt_privaction action) |
335 | { |
324 | { |
|
|
325 | if (!name || !*name) |
|
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326 | return; |
|
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327 | |
336 | rxvt_privileges (RESTORE); |
328 | rxvt_privileges (RESTORE); |
337 | |
329 | |
338 | if (action == SAVE) |
330 | if (action == SAVE) |
339 | { |
331 | { |
340 | //next_tty_action = RESTORE; |
|
|
341 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
332 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
342 | /* 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 */ |
343 | if (lstat (name, &savestat) < 0) /* you lose out */ |
334 | if (lstat (name, &savestat) < 0) /* you lose out */ |
344 | ;//next_tty_action = IGNORE; |
335 | ; |
345 | else |
336 | else |
346 | # endif |
337 | # endif |
347 | |
|
|
348 | { |
338 | { |
|
|
339 | saved = true; |
349 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
340 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
350 | chmod (name, ttyconf.mode); |
341 | chmod (name, ttyconf.mode); |
351 | # ifdef HAVE_REVOKE |
342 | # ifdef HAVE_REVOKE |
352 | revoke (name); |
343 | revoke (name); |
353 | # endif |
344 | # endif |
354 | |
|
|
355 | } |
345 | } |
356 | } |
346 | } |
357 | else |
347 | else |
358 | { /* action == RESTORE */ |
348 | { /* action == RESTORE */ |
359 | //next_tty_action = IGNORE; |
|
|
360 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
349 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
|
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350 | if (saved) |
|
|
351 | { |
361 | chmod (name, savestat.st_mode); |
352 | chmod (name, savestat.st_mode); |
362 | chown (name, savestat.st_uid, savestat.st_gid); |
353 | chown (name, savestat.st_uid, savestat.st_gid); |
|
|
354 | } |
363 | # else |
355 | # else |
364 | 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)); |
365 | chown (name, 0, 0); |
357 | chown (name, 0, 0); |
366 | # endif |
358 | # endif |
367 | |
359 | |
… | |
… | |
373 | |
365 | |
374 | rxvt_ptytty::rxvt_ptytty () |
366 | rxvt_ptytty::rxvt_ptytty () |
375 | { |
367 | { |
376 | pty = tty = -1; |
368 | pty = tty = -1; |
377 | name = 0; |
369 | name = 0; |
|
|
370 | #ifndef NO_SETOWNER_TTYDEV |
|
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371 | saved = false; |
|
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372 | #endif |
378 | } |
373 | } |
379 | |
374 | |
380 | rxvt_ptytty::~rxvt_ptytty () |
375 | rxvt_ptytty::~rxvt_ptytty () |
381 | { |
376 | { |
382 | put (); |
377 | put (); |
… | |
… | |
384 | |
379 | |
385 | void |
380 | void |
386 | |
381 | |
387 | rxvt_ptytty::close_tty () |
382 | rxvt_ptytty::close_tty () |
388 | { |
383 | { |
389 | if (tty >= 0) close (tty); |
384 | if (tty < 0) |
|
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385 | return; |
|
|
386 | |
|
|
387 | close (tty); |
390 | tty = -1; |
388 | tty = -1; |
391 | } |
389 | } |
392 | |
390 | |
393 | void |
391 | void |
394 | rxvt_ptytty::put () |
392 | rxvt_ptytty::put () |
395 | { |
393 | { |
396 | #ifndef NO_SETOWNER_TTYDEV |
394 | #ifndef NO_SETOWNER_TTYDEV |
397 | if (tty >= 0) |
|
|
398 | privileges (RESTORE); |
395 | privileges (RESTORE); |
399 | #endif |
396 | #endif |
400 | |
397 | |
401 | if (pty >= 0) close (pty); |
398 | if (pty >= 0) close (pty); |
402 | close_tty (); |
399 | close_tty (); |
403 | free (name); |
400 | free (name); |
… | |
… | |
436 | } |
433 | } |
437 | |
434 | |
438 | return true; |
435 | return true; |
439 | } |
436 | } |
440 | |
437 | |
|
|
438 | void |
|
|
439 | rxvt_ptytty::set_utf8_mode (bool on) |
|
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440 | { |
|
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441 | #ifdef IUTF8 |
|
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442 | if (pty < 0) |
|
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443 | return; |
|
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444 | |
|
|
445 | struct termios tio; |
|
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446 | |
|
|
447 | if (tcgetattr (pty, &tio) != -1) |
|
|
448 | { |
|
|
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) |
|
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457 | { |
|
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458 | tio.c_iflag = new_cflag; |
|
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459 | tcsetattr (pty, TCSANOW, &tio); |
|
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460 | } |
|
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461 | } |
|
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462 | #endif |
|
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463 | } |
|
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464 | |
441 | /*----------------------- end-of-file (C source) -----------------------*/ |
465 | /*----------------------- end-of-file (C source) -----------------------*/ |
442 | |
466 | |