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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> |
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… | |
74 | get_pty (int *fd_tty, char **ttydev) |
68 | get_pty (int *fd_tty, char **ttydev) |
75 | { |
69 | { |
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 | |
81 | rxvt_privileges (RESTORE); |
75 | rxvt_privileges(RESTORE); |
82 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
76 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
83 | rxvt_privileges (IGNORE); |
77 | rxvt_privileges(IGNORE); |
84 | |
78 | |
85 | if (res != -1) |
79 | if (res != -1) |
86 | { |
80 | { |
87 | *ttydev = strdup (tty_name); |
81 | *ttydev = strdup (tty_name); |
88 | return pfd; |
82 | return pfd; |
… | |
… | |
93 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
87 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
94 | if (*ttydev != NULL) |
88 | if (*ttydev != NULL) |
95 | return pfd; |
89 | return pfd; |
96 | #endif |
90 | #endif |
97 | |
91 | |
98 | #ifdef PTYS_ARE_GETPTY |
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99 | |
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100 | char *ptydev; |
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101 | |
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102 | while ((ptydev = getpty ()) != NULL) |
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103 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
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104 | { |
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105 | *ttydev = ptydev; |
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106 | return pfd; |
|
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107 | } |
|
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108 | #endif |
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109 | |
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110 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
92 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
111 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) |
93 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX) |
112 | |
94 | |
113 | { |
95 | { |
114 | # ifdef PTYS_ARE_GETPT |
96 | # ifdef PTYS_ARE_GETPT |
115 | pfd = getpt (); |
97 | pfd = getpt(); |
|
|
98 | # else |
|
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99 | # ifdef PTYS_ARE_POSIX |
|
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100 | pfd = posix_openpt (O_RDWR); |
116 | # else |
101 | # else |
117 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
102 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
|
|
103 | # endif |
118 | # endif |
104 | # endif |
119 | |
105 | |
120 | if (pfd >= 0) |
106 | if (pfd >= 0) |
121 | { |
107 | { |
122 | if (grantpt (pfd) == 0 /* change slave permissions */ |
108 | if (grantpt (pfd) == 0 /* change slave permissions */ |
… | |
… | |
338 | } ttyconf; |
324 | } ttyconf; |
339 | |
325 | |
340 | void |
326 | void |
341 | rxvt_ptytty::privileges (rxvt_privaction action) |
327 | rxvt_ptytty::privileges (rxvt_privaction action) |
342 | { |
328 | { |
343 | if (pty < 0) |
329 | if (!name || !*name) |
344 | return; |
330 | return; |
345 | |
331 | |
346 | rxvt_privileges (RESTORE); |
332 | rxvt_privileges (RESTORE); |
347 | |
333 | |
348 | if (action == SAVE) |
334 | if (action == SAVE) |
349 | { |
335 | { |
350 | //next_tty_action = RESTORE; |
|
|
351 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
336 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
352 | /* 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 */ |
353 | if (lstat (name, &savestat) < 0) /* you lose out */ |
338 | if (lstat (name, &savestat) < 0) /* you lose out */ |
354 | ;//next_tty_action = IGNORE; |
339 | ; |
355 | else |
340 | else |
356 | # endif |
341 | # endif |
357 | { |
342 | { |
|
|
343 | saved = true; |
358 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
344 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
359 | chmod (name, ttyconf.mode); |
345 | chmod (name, ttyconf.mode); |
360 | # ifdef HAVE_REVOKE |
346 | # ifdef HAVE_REVOKE |
361 | revoke (name); |
347 | revoke (name); |
362 | # endif |
348 | # endif |
363 | } |
349 | } |
364 | } |
350 | } |
365 | else |
351 | else |
366 | { /* action == RESTORE */ |
352 | { /* action == RESTORE */ |
367 | //next_tty_action = IGNORE; |
|
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368 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
353 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
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354 | if (saved) |
|
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355 | { |
369 | chmod (name, savestat.st_mode); |
356 | chmod (name, savestat.st_mode); |
370 | chown (name, savestat.st_uid, savestat.st_gid); |
357 | chown (name, savestat.st_uid, savestat.st_gid); |
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358 | } |
371 | # else |
359 | # else |
372 | 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)); |
373 | chown (name, 0, 0); |
361 | chown (name, 0, 0); |
374 | # endif |
362 | # endif |
375 | |
363 | |
… | |
… | |
381 | |
369 | |
382 | rxvt_ptytty::rxvt_ptytty () |
370 | rxvt_ptytty::rxvt_ptytty () |
383 | { |
371 | { |
384 | pty = tty = -1; |
372 | pty = tty = -1; |
385 | name = 0; |
373 | name = 0; |
|
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374 | #ifndef NO_SETOWNER_TTYDEV |
|
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375 | saved = false; |
|
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376 | #endif |
386 | } |
377 | } |
387 | |
378 | |
388 | rxvt_ptytty::~rxvt_ptytty () |
379 | rxvt_ptytty::~rxvt_ptytty () |
389 | { |
380 | { |
390 | put (); |
381 | put (); |
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… | |
392 | |
383 | |
393 | void |
384 | void |
394 | |
385 | |
395 | rxvt_ptytty::close_tty () |
386 | rxvt_ptytty::close_tty () |
396 | { |
387 | { |
397 | if (tty >= 0) close (tty); |
388 | if (tty < 0) |
|
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389 | return; |
|
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390 | |
|
|
391 | close (tty); |
398 | tty = -1; |
392 | tty = -1; |
399 | } |
393 | } |
400 | |
394 | |
401 | void |
395 | void |
402 | rxvt_ptytty::put () |
396 | rxvt_ptytty::put () |
403 | { |
397 | { |
404 | #ifndef NO_SETOWNER_TTYDEV |
398 | #ifndef NO_SETOWNER_TTYDEV |
405 | if (tty >= 0) |
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406 | privileges (RESTORE); |
399 | privileges (RESTORE); |
407 | #endif |
400 | #endif |
408 | |
401 | |
409 | if (pty >= 0) close (pty); |
402 | if (pty >= 0) close (pty); |
410 | close_tty (); |
403 | close_tty (); |
411 | free (name); |
404 | free (name); |
… | |
… | |
448 | |
441 | |
449 | void |
442 | void |
450 | rxvt_ptytty::set_utf8_mode (bool on) |
443 | rxvt_ptytty::set_utf8_mode (bool on) |
451 | { |
444 | { |
452 | #ifdef IUTF8 |
445 | #ifdef IUTF8 |
453 | if (pty != -1) |
446 | if (pty < 0) |
454 | { |
447 | return; |
|
|
448 | |
455 | struct termios tio; |
449 | struct termios tio; |
456 | |
450 | |
457 | if (tcgetattr (pty, &tio) != -1) |
451 | if (tcgetattr (pty, &tio) != -1) |
|
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452 | { |
|
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453 | tcflag_t new_cflag = tio.c_iflag; |
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454 | |
|
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455 | if (on) |
|
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456 | new_cflag |= IUTF8; |
|
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457 | else |
|
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458 | new_cflag &= ~IUTF8; |
|
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459 | |
|
|
460 | if (new_cflag != tio.c_iflag) |
458 | { |
461 | { |
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; |
462 | tio.c_iflag = new_cflag; |
469 | tcsetattr (pty, TCSANOW, &tio); |
463 | tcsetattr (pty, TCSANOW, &tio); |
470 | } |
|
|
471 | } |
464 | } |
472 | } |
465 | } |
473 | #endif |
466 | #endif |
474 | } |
467 | } |
475 | |
468 | |