|
|
1 | // This file is part of libptytty. Do not make local modifications. |
|
|
2 | // http://software.schmorp.de/pkg/libptytty |
|
|
3 | |
1 | /*--------------------------------*-C-*---------------------------------* |
4 | /*----------------------------------------------------------------------* |
2 | * File: ptytty.C |
5 | * File: ptytty.C |
3 | *----------------------------------------------------------------------* |
6 | *----------------------------------------------------------------------* |
4 | * |
7 | * |
5 | * All portions of code are copyright by their respective author/s. |
8 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
9 | * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
7 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
10 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
|
|
11 | * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * |
12 | * |
9 | * This program is free software; you can redistribute it and/or modify |
13 | * 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 |
14 | * 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 |
15 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
16 | * (at your option) any later version. |
… | |
… | |
19 | * You should have received a copy of the GNU General Public License |
23 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
24 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 | *---------------------------------------------------------------------*/ |
26 | *---------------------------------------------------------------------*/ |
23 | |
27 | |
24 | #include "../config.h" /* NECESSARY */ |
28 | #include "../config.h" |
|
|
29 | |
25 | #include "rxvt.h" |
30 | #include "ptytty.h" |
26 | |
31 | |
27 | #include <cstdlib> |
32 | #include <cstdlib> |
28 | #include <cstring> |
33 | #include <cstring> |
|
|
34 | #include <csignal> |
29 | |
35 | |
30 | #include <sys/types.h> |
36 | #include <sys/types.h> |
31 | #include <sys/socket.h> |
37 | #include <sys/socket.h> |
32 | #include <unistd.h> |
38 | #include <unistd.h> |
33 | #include <fcntl.h> |
39 | #include <fcntl.h> |
… | |
… | |
51 | #ifdef TTY_GID_SUPPORT |
57 | #ifdef TTY_GID_SUPPORT |
52 | #include <grp.h> |
58 | #include <grp.h> |
53 | #endif |
59 | #endif |
54 | |
60 | |
55 | #include <cstdio> |
61 | #include <cstdio> |
56 | |
|
|
57 | #include "rxvtutil.h" |
|
|
58 | #include "fdpass.h" |
|
|
59 | #include "ptytty.h" |
|
|
60 | |
62 | |
61 | ///////////////////////////////////////////////////////////////////////////// |
63 | ///////////////////////////////////////////////////////////////////////////// |
62 | |
64 | |
63 | /* ------------------------------------------------------------------------- * |
65 | /* ------------------------------------------------------------------------- * |
64 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
66 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
… | |
… | |
234 | |
236 | |
235 | ioctl (fd_tty, TIOCSCTTY, NULL); |
237 | ioctl (fd_tty, TIOCSCTTY, NULL); |
236 | |
238 | |
237 | int fd = open ("/dev/tty", O_WRONLY); |
239 | int fd = open ("/dev/tty", O_WRONLY); |
238 | if (fd < 0) |
240 | if (fd < 0) |
239 | return -1; /* fatal */ |
241 | return -1; /* fatal */ |
240 | |
242 | |
241 | close (fd); |
243 | close (fd); |
242 | |
244 | |
243 | return 0; |
245 | return 0; |
244 | } |
246 | } |
245 | |
247 | |
246 | void |
248 | void |
247 | rxvt_ptytty::close_tty () |
249 | ptytty::close_tty () |
248 | { |
250 | { |
249 | if (tty < 0) |
251 | if (tty < 0) |
250 | return; |
252 | return; |
251 | |
253 | |
252 | close (tty); |
254 | close (tty); |
253 | tty = -1; |
255 | tty = -1; |
254 | } |
256 | } |
255 | |
257 | |
256 | bool |
258 | bool |
257 | rxvt_ptytty::make_controlling_tty () |
259 | ptytty::make_controlling_tty () |
258 | { |
260 | { |
259 | return control_tty (tty) >= 0; |
261 | return control_tty (tty) >= 0; |
260 | } |
262 | } |
261 | |
263 | |
262 | void |
264 | void |
263 | rxvt_ptytty::set_utf8_mode (bool on) |
265 | ptytty::set_utf8_mode (bool on) |
264 | { |
266 | { |
265 | #ifdef IUTF8 |
267 | #ifdef IUTF8 |
266 | if (pty < 0) |
268 | if (pty < 0) |
267 | return; |
269 | return; |
268 | |
270 | |
… | |
… | |
307 | gid = 0; |
309 | gid = 0; |
308 | } |
310 | } |
309 | } |
311 | } |
310 | } ttyconf; |
312 | } ttyconf; |
311 | |
313 | |
312 | rxvt_ptytty_unix::rxvt_ptytty_unix () |
314 | ptytty_unix::ptytty_unix () |
313 | { |
315 | { |
314 | name = 0; |
316 | name = 0; |
315 | #if UTMP_SUPPORT |
317 | #if UTMP_SUPPORT |
316 | cmd_pid = 0; |
318 | cmd_pid = 0; |
317 | #endif |
319 | #endif |
318 | } |
320 | } |
319 | |
321 | |
320 | rxvt_ptytty_unix::~rxvt_ptytty_unix () |
322 | ptytty_unix::~ptytty_unix () |
321 | { |
323 | { |
322 | #if UTMP_SUPPORT |
324 | #if UTMP_SUPPORT |
323 | logout (); |
325 | logout (); |
324 | #endif |
326 | #endif |
325 | put (); |
327 | put (); |
326 | } |
328 | } |
327 | |
329 | |
328 | void |
330 | void |
329 | rxvt_ptytty_unix::put () |
331 | ptytty_unix::put () |
330 | { |
332 | { |
331 | chmod (name, RESTORE_TTY_MODE); |
333 | chmod (name, RESTORE_TTY_MODE); |
332 | chown (name, 0, ttyconf.gid); |
334 | chown (name, 0, ttyconf.gid); |
333 | |
335 | |
334 | close_tty (); |
336 | close_tty (); |
… | |
… | |
341 | pty = tty = -1; |
343 | pty = tty = -1; |
342 | name = 0; |
344 | name = 0; |
343 | } |
345 | } |
344 | |
346 | |
345 | bool |
347 | bool |
346 | rxvt_ptytty_unix::get () |
348 | ptytty_unix::get () |
347 | { |
349 | { |
348 | /* get master (pty) */ |
350 | /* get master (pty) */ |
349 | if ((pty = get_pty (&tty, &name)) < 0) |
351 | if ((pty = get_pty (&tty, &name)) < 0) |
350 | return false; |
352 | return false; |
351 | |
353 | |
… | |
… | |
370 | } |
372 | } |
371 | |
373 | |
372 | return true; |
374 | return true; |
373 | } |
375 | } |
374 | |
376 | |
|
|
377 | ///////////////////////////////////////////////////////////////////////////// |
|
|
378 | // helper/proxy support |
|
|
379 | |
375 | #if PTYTTY_HELPER |
380 | #if PTYTTY_HELPER |
376 | |
381 | |
377 | static int sock_fd; |
382 | static int sock_fd = -1, lock_fd = -1; |
378 | static int pid; |
383 | static int helper_pid, owner_pid; |
379 | |
384 | |
380 | struct command |
385 | struct command |
381 | { |
386 | { |
382 | enum { get, login, destroy } type; |
387 | enum { get, login, destroy } type; |
383 | |
388 | |
384 | rxvt_ptytty *id; |
389 | ptytty *id; |
385 | |
390 | |
386 | bool login_shell; |
391 | bool login_shell; |
387 | int cmd_pid; |
392 | int cmd_pid; |
388 | char hostname[512]; // arbitrary, but should be plenty |
393 | char hostname[512]; // arbitrary, but should be plenty |
389 | }; |
394 | }; |
390 | |
395 | |
391 | struct rxvt_ptytty_proxy : zero_initialized, rxvt_ptytty |
396 | struct ptytty_proxy : ptytty |
392 | { |
397 | { |
393 | rxvt_ptytty *id; |
398 | ptytty *id; |
394 | |
399 | |
|
|
400 | ptytty_proxy () |
|
|
401 | : id(0) |
|
|
402 | { |
|
|
403 | } |
|
|
404 | |
395 | ~rxvt_ptytty_proxy (); |
405 | ~ptytty_proxy (); |
396 | |
406 | |
397 | bool get (); |
407 | bool get (); |
398 | void login (int cmd_pid, bool login_shell, const char *hostname); |
408 | void login (int cmd_pid, bool login_shell, const char *hostname); |
399 | }; |
409 | }; |
400 | |
410 | |
|
|
411 | #if PTYTTY_REENTRANT |
|
|
412 | # define NEED_TOKEN do { char ch; read (lock_fd, &ch, 1); } while (0) |
|
|
413 | # define GIVE_TOKEN do { char ch; write (lock_fd, &ch, 1); } while (0) |
|
|
414 | #else |
|
|
415 | # define NEED_TOKEN (void)0 |
|
|
416 | # define GIVE_TOKEN (void)0 |
|
|
417 | #endif |
|
|
418 | |
401 | bool |
419 | bool |
402 | rxvt_ptytty_proxy::get () |
420 | ptytty_proxy::get () |
403 | { |
421 | { |
|
|
422 | NEED_TOKEN; |
|
|
423 | |
404 | command cmd; |
424 | command cmd; |
405 | |
425 | |
406 | cmd.type = command::get; |
426 | cmd.type = command::get; |
407 | |
427 | |
408 | write (sock_fd, &cmd, sizeof (cmd)); |
428 | write (sock_fd, &cmd, sizeof (cmd)); |
409 | |
429 | |
410 | if (read (sock_fd, &id, sizeof (id)) != sizeof (id)) |
430 | if (read (sock_fd, &id, sizeof (id)) != sizeof (id)) |
411 | rxvt_fatal ("protocol error while creating pty using helper process, aborting.\n"); |
431 | ptytty_fatal ("protocol error while creating pty using helper process, aborting.\n"); |
412 | |
432 | |
413 | if (!id) |
433 | if (!id) |
|
|
434 | { |
|
|
435 | GIVE_TOKEN; |
414 | return false; |
436 | return false; |
|
|
437 | } |
415 | |
438 | |
416 | if ((pty = rxvt_recv_fd (sock_fd)) < 0 |
439 | if ((pty = recv_fd (sock_fd)) < 0 |
417 | || (tty = rxvt_recv_fd (sock_fd)) < 0) |
440 | || (tty = recv_fd (sock_fd)) < 0) |
418 | rxvt_fatal ("protocol error while reading pty/tty fds from helper process, aborting.\n"); |
441 | ptytty_fatal ("protocol error while reading pty/tty fds from helper process, aborting.\n"); |
419 | |
442 | |
|
|
443 | GIVE_TOKEN; |
420 | return true; |
444 | return true; |
421 | } |
445 | } |
422 | |
446 | |
423 | void |
447 | void |
424 | rxvt_ptytty_proxy::login (int cmd_pid, bool login_shell, const char *hostname) |
448 | ptytty_proxy::login (int cmd_pid, bool login_shell, const char *hostname) |
425 | { |
449 | { |
|
|
450 | NEED_TOKEN; |
|
|
451 | |
426 | command cmd; |
452 | command cmd; |
427 | |
453 | |
428 | cmd.type = command::login; |
454 | cmd.type = command::login; |
429 | cmd.id = id; |
455 | cmd.id = id; |
430 | cmd.cmd_pid = cmd_pid; |
456 | cmd.cmd_pid = cmd_pid; |
431 | cmd.login_shell = login_shell; |
457 | cmd.login_shell = login_shell; |
432 | strncpy (cmd.hostname, hostname, sizeof (cmd.hostname)); |
458 | strncpy (cmd.hostname, hostname, sizeof (cmd.hostname)); |
433 | |
459 | |
434 | write (sock_fd, &cmd, sizeof (cmd)); |
460 | write (sock_fd, &cmd, sizeof (cmd)); |
435 | } |
|
|
436 | |
461 | |
|
|
462 | GIVE_TOKEN; |
|
|
463 | } |
|
|
464 | |
437 | rxvt_ptytty_proxy::~rxvt_ptytty_proxy () |
465 | ptytty_proxy::~ptytty_proxy () |
438 | { |
466 | { |
|
|
467 | if (id) |
|
|
468 | { |
|
|
469 | NEED_TOKEN; |
|
|
470 | |
439 | command cmd; |
471 | command cmd; |
440 | |
472 | |
441 | cmd.type = command::destroy; |
473 | cmd.type = command::destroy; |
442 | cmd.id = id; |
474 | cmd.id = id; |
443 | |
475 | |
444 | write (sock_fd, &cmd, sizeof (cmd)); |
476 | write (sock_fd, &cmd, sizeof (cmd)); |
|
|
477 | |
|
|
478 | GIVE_TOKEN; |
|
|
479 | } |
445 | } |
480 | } |
446 | |
481 | |
447 | static |
482 | static |
448 | void serve () |
483 | void serve () |
449 | { |
484 | { |
450 | command cmd; |
485 | command cmd; |
451 | vector<rxvt_ptytty *> ptys; |
486 | vector<ptytty *> ptys; |
452 | |
487 | |
|
|
488 | for (;;) |
|
|
489 | { |
|
|
490 | GIVE_TOKEN; |
|
|
491 | |
453 | while (read (sock_fd, &cmd, sizeof (command)) == sizeof (command)) |
492 | if (read (sock_fd, &cmd, sizeof (command)) != sizeof (command)) |
454 | { |
493 | break; |
|
|
494 | |
455 | if (cmd.type == command::get) |
495 | if (cmd.type == command::get) |
456 | { |
496 | { |
457 | // -> id ptyfd ttyfd |
497 | // -> id ptyfd ttyfd |
458 | cmd.id = new rxvt_ptytty_unix; |
498 | cmd.id = new ptytty_unix; |
459 | |
499 | |
460 | if (cmd.id->get ()) |
500 | if (cmd.id->get ()) |
461 | { |
501 | { |
462 | write (sock_fd, &cmd.id, sizeof (cmd.id)); |
502 | write (sock_fd, &cmd.id, sizeof (cmd.id)); |
463 | ptys.push_back (cmd.id); |
503 | ptys.push_back (cmd.id); |
464 | |
504 | |
465 | rxvt_send_fd (sock_fd, cmd.id->pty); |
505 | ptytty::send_fd (sock_fd, cmd.id->pty); |
466 | rxvt_send_fd (sock_fd, cmd.id->tty); |
506 | ptytty::send_fd (sock_fd, cmd.id->tty); |
467 | } |
507 | } |
468 | else |
508 | else |
469 | { |
509 | { |
470 | delete cmd.id; |
510 | delete cmd.id; |
471 | cmd.id = 0; |
511 | cmd.id = 0; |
… | |
… | |
473 | } |
513 | } |
474 | } |
514 | } |
475 | else if (cmd.type == command::login) |
515 | else if (cmd.type == command::login) |
476 | { |
516 | { |
477 | #if UTMP_SUPPORT |
517 | #if UTMP_SUPPORT |
478 | if (find (ptys.begin (), ptys.end (), cmd.id)) |
518 | if (find (ptys.begin (), ptys.end (), cmd.id) != ptys.end ()) |
479 | { |
519 | { |
480 | cmd.hostname[sizeof (cmd.hostname) - 1] = 0; |
520 | cmd.hostname[sizeof (cmd.hostname) - 1] = 0; |
481 | cmd.id->login (cmd.cmd_pid, cmd.login_shell, cmd.hostname); |
521 | cmd.id->login (cmd.cmd_pid, cmd.login_shell, cmd.hostname); |
482 | } |
522 | } |
483 | #endif |
523 | #endif |
484 | } |
524 | } |
485 | else if (cmd.type == command::destroy) |
525 | else if (cmd.type == command::destroy) |
486 | { |
526 | { |
487 | rxvt_ptytty **pty = find (ptys.begin (), ptys.end (), cmd.id); |
527 | vector<ptytty *>::iterator pty = find (ptys.begin (), ptys.end (), cmd.id); |
488 | |
528 | |
489 | if (pty) |
529 | if (pty != ptys.end ()) |
490 | { |
530 | { |
491 | delete *pty; |
531 | delete *pty; |
492 | ptys.erase (pty); |
532 | ptys.erase (pty); |
493 | } |
533 | } |
494 | } |
534 | } |
495 | else |
535 | else |
496 | break; |
536 | break; |
|
|
537 | |
|
|
538 | NEED_TOKEN; |
497 | } |
539 | } |
498 | |
540 | |
499 | // destroy all ptys |
541 | // destroy all ptys |
500 | for (rxvt_ptytty **i = ptys.end (); i-- > ptys.begin (); ) |
542 | for (vector<ptytty *>::iterator i = ptys.end (); i-- > ptys.begin (); ) |
501 | delete *i; |
543 | delete *i; |
502 | } |
544 | } |
503 | |
545 | |
504 | void rxvt_ptytty_server () |
546 | void |
|
|
547 | ptytty::use_helper () |
505 | { |
548 | { |
|
|
549 | #ifndef PTYTTY_NO_PID_CHECK |
|
|
550 | int pid = getpid (); |
|
|
551 | #endif |
|
|
552 | |
|
|
553 | if (sock_fd >= 0 |
|
|
554 | #ifndef PTYTTY_NO_PID_CHECK |
|
|
555 | && pid == owner_pid |
|
|
556 | #endif |
|
|
557 | ) |
|
|
558 | return; |
|
|
559 | |
|
|
560 | #ifndef PTYTTY_NO_PID_CHECK |
|
|
561 | owner_pid = pid; |
|
|
562 | #endif |
|
|
563 | |
506 | int sv[2]; |
564 | int sv[2]; |
507 | |
565 | |
508 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, sv)) |
566 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, sv)) |
509 | rxvt_fatal ("could not create socket to communicate with pty/sessiondb helper, aborting.\n"); |
567 | ptytty_fatal ("could not create socket to communicate with pty/sessiondb helper, aborting.\n"); |
510 | |
568 | |
|
|
569 | #ifdef PTYTTY_REENTRANT |
|
|
570 | int lv[2]; |
|
|
571 | |
|
|
572 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, lv)) |
|
|
573 | ptytty_fatal ("could not create socket to communicate with pty/sessiondb helper, aborting.\n"); |
|
|
574 | #endif |
|
|
575 | |
511 | pid = fork (); |
576 | helper_pid = fork (); |
512 | |
577 | |
513 | if (pid < 0) |
578 | if (helper_pid < 0) |
514 | rxvt_fatal ("could not create pty/sessiondb helper process, aborting.\n"); |
579 | ptytty_fatal ("could not create pty/sessiondb helper process, aborting.\n"); |
515 | |
580 | |
516 | if (pid) |
581 | if (helper_pid) |
517 | { |
582 | { |
518 | // client, urxvt |
583 | // client, process |
519 | sock_fd = sv[0]; |
584 | sock_fd = sv[0]; |
520 | close (sv[1]); |
585 | close (sv[1]); |
521 | fcntl (sock_fd, F_SETFD, FD_CLOEXEC); |
586 | fcntl (sock_fd, F_SETFD, FD_CLOEXEC); |
|
|
587 | #ifdef PTYTTY_REENTRANT |
|
|
588 | lock_fd = lv[0]; |
|
|
589 | close (lv[1]); |
|
|
590 | fcntl (lock_fd, F_SETFD, FD_CLOEXEC); |
|
|
591 | #endif |
522 | } |
592 | } |
523 | else |
593 | else |
524 | { |
594 | { |
525 | // server, pty-helper |
595 | // server, pty-helper |
526 | sock_fd = sv[1]; |
596 | sock_fd = sv[1]; |
|
|
597 | #ifdef PTYTTY_REENTRANT |
|
|
598 | lock_fd = lv[1]; |
|
|
599 | #endif |
|
|
600 | |
|
|
601 | chdir ("/"); |
|
|
602 | |
|
|
603 | signal (SIGHUP, SIG_IGN); |
|
|
604 | signal (SIGTERM, SIG_IGN); |
|
|
605 | signal (SIGINT, SIG_IGN); |
|
|
606 | signal (SIGPIPE, SIG_IGN); |
527 | |
607 | |
528 | for (int fd = 0; fd < 1023; fd++) |
608 | for (int fd = 0; fd < 1023; fd++) |
529 | if (fd != sock_fd) |
609 | if (fd != sock_fd && fd != lock_fd) |
530 | close (fd); |
610 | close (fd); |
531 | |
611 | |
532 | serve (); |
612 | serve (); |
533 | _exit (EXIT_SUCCESS); |
613 | _exit (EXIT_SUCCESS); |
534 | } |
614 | } |
535 | } |
615 | } |
536 | |
616 | |
537 | #endif |
617 | #endif |
538 | |
618 | |
539 | // a "factory" *g* |
|
|
540 | rxvt_ptytty * |
619 | ptytty * |
541 | rxvt_new_ptytty () |
620 | ptytty::create () |
542 | { |
621 | { |
543 | #if PTYTTY_HELPER |
622 | #if PTYTTY_HELPER |
544 | if (pid > 0) |
623 | if (helper_pid |
|
|
624 | # ifndef PTYTTY_NO_PID_CHECK |
|
|
625 | && getpid () == owner_pid |
|
|
626 | # endif |
|
|
627 | ) |
545 | // use helper process |
628 | // use helper process |
546 | return new rxvt_ptytty_proxy; |
629 | return new ptytty_proxy; |
547 | else |
630 | else |
548 | #endif |
631 | #endif |
549 | return new rxvt_ptytty_unix; |
632 | return new ptytty_unix; |
550 | } |
633 | } |
551 | |
634 | |
552 | /*----------------------- end-of-file (C source) -----------------------*/ |
635 | void |
|
|
636 | ptytty::init () |
|
|
637 | { |
|
|
638 | uid_t uid = getuid (); |
|
|
639 | gid_t gid = getgid (); |
|
|
640 | |
|
|
641 | // before doing anything else, check for setuid/setgid operation, |
|
|
642 | // start the helper process and drop privileges |
|
|
643 | if (uid != geteuid () |
|
|
644 | || gid != getegid ()) |
|
|
645 | { |
|
|
646 | #if PTYTTY_HELPER |
|
|
647 | use_helper (); |
|
|
648 | #else |
|
|
649 | ptytty_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n"); |
|
|
650 | #endif |
553 | |
651 | |
|
|
652 | drop_privileges (); |
|
|
653 | } |
|
|
654 | } |
|
|
655 | |
|
|
656 | void |
|
|
657 | ptytty::drop_privileges () |
|
|
658 | { |
|
|
659 | uid_t uid = getuid (); |
|
|
660 | gid_t gid = getgid (); |
|
|
661 | |
|
|
662 | // drop privileges |
|
|
663 | #if HAVE_SETRESUID |
|
|
664 | setresgid (gid, gid, gid); |
|
|
665 | setresuid (uid, uid, uid); |
|
|
666 | #elif HAVE_SETREUID |
|
|
667 | setregid (gid, gid); |
|
|
668 | setreuid (uid, uid); |
|
|
669 | #elif HAVE_SETUID |
|
|
670 | setgid (gid); |
|
|
671 | setuid (uid); |
|
|
672 | #endif |
|
|
673 | |
|
|
674 | if (uid != geteuid () |
|
|
675 | || gid != getegid ()) |
|
|
676 | ptytty_fatal ("unable to drop privileges, aborting.\n"); |
|
|
677 | } |
|
|
678 | |
|
|
679 | ///////////////////////////////////////////////////////////////////////////// |
|
|
680 | // C API |
|
|
681 | |
|
|
682 | #ifndef PTYTTY_NO_C_API |
|
|
683 | |
|
|
684 | typedef void *PTYTTY; |
|
|
685 | |
|
|
686 | #define DEFINE_METHOD(retval, name, args1, args2) \ |
|
|
687 | extern "C" retval ptytty_ ## name args1 \ |
|
|
688 | { return ((struct ptytty *)ptytty)->name args2; } |
|
|
689 | |
|
|
690 | DEFINE_METHOD(int,pty,(PTYTTY ptytty),) |
|
|
691 | DEFINE_METHOD(int,tty,(PTYTTY ptytty),) |
|
|
692 | DEFINE_METHOD(int,get,(PTYTTY ptytty),()) |
|
|
693 | DEFINE_METHOD(void,login,(PTYTTY ptytty, int cmd_pid, bool login_shell, const char *hostname),(cmd_pid,login_shell,hostname)) |
|
|
694 | |
|
|
695 | DEFINE_METHOD(void,close_tty,(PTYTTY ptytty),()) |
|
|
696 | DEFINE_METHOD(int,make_controlling_tty,(PTYTTY ptytty),()) |
|
|
697 | DEFINE_METHOD(void,set_utf8_mode,(PTYTTY ptytty, int on),(on)) |
|
|
698 | |
|
|
699 | #define DEFINE_STATIC(retval, name, args) \ |
|
|
700 | extern "C" retval ptytty_ ## name args \ |
|
|
701 | { return ptytty::name args; } |
|
|
702 | |
|
|
703 | DEFINE_STATIC(void,drop_privileges,()) |
|
|
704 | DEFINE_STATIC(void,use_helper,()) |
|
|
705 | DEFINE_STATIC(void,init,()) |
|
|
706 | |
|
|
707 | DEFINE_STATIC(PTYTTY ,create,()) |
|
|
708 | |
|
|
709 | void ptytty_delete (PTYTTY ptytty) |
|
|
710 | { |
|
|
711 | delete (struct ptytty *)ptytty; |
|
|
712 | } |
|
|
713 | |
|
|
714 | // send_fd, recv_fd not exposed |
|
|
715 | |
|
|
716 | #endif |