… | |
… | |
54 | #endif |
54 | #endif |
55 | |
55 | |
56 | #include <cstdio> |
56 | #include <cstdio> |
57 | #include <grp.h> |
57 | #include <grp.h> |
58 | |
58 | |
|
|
59 | ///////////////////////////////////////////////////////////////////////////// |
|
|
60 | |
59 | /* ------------------------------------------------------------------------- * |
61 | /* ------------------------------------------------------------------------- * |
60 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
62 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
61 | * ------------------------------------------------------------------------- */ |
63 | * ------------------------------------------------------------------------- */ |
62 | /* |
64 | /* |
63 | * Returns pty file descriptor, or -1 on failure |
65 | * Returns pty file descriptor, or -1 on failure |
… | |
… | |
218 | /*----------------------------------------------------------------------*/ |
220 | /*----------------------------------------------------------------------*/ |
219 | /* |
221 | /* |
220 | * Make our tty a controlling tty so that /dev/tty points to us |
222 | * Make our tty a controlling tty so that /dev/tty points to us |
221 | */ |
223 | */ |
222 | static int |
224 | static int |
223 | control_tty (int fd_tty, const char *ttydev) |
225 | control_tty (int fd_tty) |
224 | { |
226 | { |
225 | #ifndef __QNX__ |
227 | #ifndef __QNX__ |
226 | int fd; |
228 | int fd; |
227 | |
229 | |
228 | /* ---------------------------------------- */ |
230 | /* ---------------------------------------- */ |
… | |
… | |
249 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
251 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
250 | if (fd >= 0) |
252 | if (fd >= 0) |
251 | close (fd); /* ouch: still have controlling tty */ |
253 | close (fd); /* ouch: still have controlling tty */ |
252 | |
254 | |
253 | /* ---------------------------------------- */ |
255 | /* ---------------------------------------- */ |
254 | #if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
256 | # if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
255 | /* |
257 | /* |
256 | * Push STREAMS modules: |
258 | * Push STREAMS modules: |
257 | * ptem: pseudo-terminal hardware emulation module. |
259 | * ptem: pseudo-terminal hardware emulation module. |
258 | * ldterm: standard terminal line discipline. |
260 | * ldterm: standard terminal line discipline. |
259 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
261 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
… | |
… | |
267 | * documentation is really unclear about whether it is any close () on |
269 | * documentation is really unclear about whether it is any close () on |
268 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
270 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
269 | * close () - on the master side which causes a hang up to be sent |
271 | * close () - on the master side which causes a hang up to be sent |
270 | * through - Geoff Wing |
272 | * through - Geoff Wing |
271 | */ |
273 | */ |
272 | # ifdef HAVE_ISASTREAM |
274 | # ifdef HAVE_ISASTREAM |
273 | if (isastream (fd_tty) == 1) |
275 | if (isastream (fd_tty) == 1) |
274 | # endif |
276 | # endif |
275 | { |
277 | { |
276 | ioctl (fd_tty, I_PUSH, "ptem"); |
278 | ioctl (fd_tty, I_PUSH, "ptem"); |
277 | ioctl (fd_tty, I_PUSH, "ldterm"); |
279 | ioctl (fd_tty, I_PUSH, "ldterm"); |
278 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
280 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
279 | } |
281 | } |
280 | #endif |
282 | # endif |
281 | /* ---------------------------------------- */ |
283 | /* ---------------------------------------- */ |
282 | # if defined(TIOCSCTTY) |
|
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283 | fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
284 | fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
284 | # elif defined(TIOCSETCTTY) |
|
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285 | fd = ioctl (fd_tty, TIOCSETCTTY, NULL); |
|
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286 | # else |
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287 | fd = open (ttydev, O_RDWR); |
|
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288 | if (fd >= 0) |
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289 | close (fd); |
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290 | # endif |
|
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291 | /* ---------------------------------------- */ |
285 | /* ---------------------------------------- */ |
292 | fd = open ("/dev/tty", O_WRONLY); |
286 | fd = open ("/dev/tty", O_WRONLY); |
293 | if (fd < 0) |
287 | if (fd < 0) |
294 | return -1; /* fatal */ |
288 | return -1; /* fatal */ |
295 | close (fd); |
289 | close (fd); |
296 | /* ---------------------------------------- */ |
290 | /* ---------------------------------------- */ |
297 | #endif /* ! __QNX__ */ |
291 | #endif /* ! __QNX__ */ |
298 | |
292 | |
299 | return 0; |
293 | return 0; |
300 | } |
294 | } |
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295 | |
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296 | void |
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297 | rxvt_ptytty::close_tty () |
|
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298 | { |
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299 | if (tty < 0) |
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300 | return; |
|
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301 | |
|
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302 | close (tty); |
|
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303 | tty = -1; |
|
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304 | } |
|
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305 | |
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306 | bool |
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307 | rxvt_ptytty::make_controlling_tty () |
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308 | { |
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309 | return control_tty (tty) >= 0; |
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310 | } |
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311 | |
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312 | void |
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313 | rxvt_ptytty::set_utf8_mode (bool on) |
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314 | { |
|
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315 | #ifdef IUTF8 |
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316 | if (pty < 0) |
|
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317 | return; |
|
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318 | |
|
|
319 | struct termios tio; |
|
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320 | |
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321 | if (tcgetattr (pty, &tio) != -1) |
|
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322 | { |
|
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323 | tcflag_t new_cflag = tio.c_iflag; |
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324 | |
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325 | if (on) |
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326 | new_cflag |= IUTF8; |
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327 | else |
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328 | new_cflag &= ~IUTF8; |
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329 | |
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330 | if (new_cflag != tio.c_iflag) |
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331 | { |
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332 | tio.c_iflag = new_cflag; |
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333 | tcsetattr (pty, TCSANOW, &tio); |
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334 | } |
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335 | } |
|
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336 | #endif |
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337 | } |
|
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338 | |
|
|
339 | ///////////////////////////////////////////////////////////////////////////// |
301 | |
340 | |
302 | #ifndef NO_SETOWNER_TTYDEV |
341 | #ifndef NO_SETOWNER_TTYDEV |
303 | static struct ttyconf { |
342 | static struct ttyconf { |
304 | gid_t gid; |
343 | gid_t gid; |
305 | mode_t mode; |
344 | mode_t mode; |
… | |
… | |
321 | gid = getgid (); |
360 | gid = getgid (); |
322 | } |
361 | } |
323 | } |
362 | } |
324 | } ttyconf; |
363 | } ttyconf; |
325 | |
364 | |
|
|
365 | ///////////////////////////////////////////////////////////////////////////// |
|
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366 | |
326 | void |
367 | void |
327 | rxvt_ptytty::privileges (rxvt_privaction action) |
368 | rxvt_ptytty_unix::privileges (rxvt_privaction action) |
328 | { |
369 | { |
329 | if (!name || !*name) |
370 | if (!name || !*name) |
330 | return; |
371 | return; |
331 | |
372 | |
332 | rxvt_privileges (RESTORE); |
373 | rxvt_privileges (RESTORE); |
… | |
… | |
365 | |
406 | |
366 | rxvt_privileges (IGNORE); |
407 | rxvt_privileges (IGNORE); |
367 | } |
408 | } |
368 | #endif |
409 | #endif |
369 | |
410 | |
370 | rxvt_ptytty::rxvt_ptytty () |
411 | rxvt_ptytty_unix::rxvt_ptytty_unix () |
371 | { |
412 | { |
372 | pty = tty = -1; |
413 | pty = tty = -1; |
373 | name = 0; |
414 | name = 0; |
374 | #ifndef NO_SETOWNER_TTYDEV |
415 | #ifndef NO_SETOWNER_TTYDEV |
375 | saved = false; |
416 | saved = false; |
376 | #endif |
417 | #endif |
|
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418 | #if UTMP_SUPPORT |
|
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419 | cmd_pid = 0; |
|
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420 | #endif |
377 | } |
421 | } |
378 | |
422 | |
379 | rxvt_ptytty::~rxvt_ptytty () |
423 | rxvt_ptytty_unix::~rxvt_ptytty_unix () |
380 | { |
424 | { |
|
|
425 | logout (); |
381 | put (); |
426 | put (); |
382 | } |
427 | } |
383 | |
428 | |
384 | void |
429 | void |
385 | |
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386 | rxvt_ptytty::close_tty () |
|
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387 | { |
|
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388 | if (tty < 0) |
|
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389 | return; |
|
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390 | |
|
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391 | close (tty); |
|
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392 | tty = -1; |
|
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393 | } |
|
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394 | |
|
|
395 | void |
|
|
396 | rxvt_ptytty::put () |
430 | rxvt_ptytty_unix::put () |
397 | { |
431 | { |
398 | #ifndef NO_SETOWNER_TTYDEV |
432 | #ifndef NO_SETOWNER_TTYDEV |
399 | privileges (RESTORE); |
433 | privileges (RESTORE); |
400 | #endif |
434 | #endif |
401 | |
435 | |
… | |
… | |
406 | pty = tty = -1; |
440 | pty = tty = -1; |
407 | name = 0; |
441 | name = 0; |
408 | } |
442 | } |
409 | |
443 | |
410 | bool |
444 | bool |
411 | rxvt_ptytty::make_controlling_tty () |
|
|
412 | { |
|
|
413 | return control_tty (tty, name) >= 0; |
|
|
414 | } |
|
|
415 | |
|
|
416 | bool |
|
|
417 | rxvt_ptytty::get () |
445 | rxvt_ptytty_unix::get () |
418 | { |
446 | { |
419 | /* get master (pty) */ |
447 | /* get master (pty) */ |
420 | if ((pty = get_pty (&tty, &name)) < 0) |
448 | if ((pty = get_pty (&tty, &name)) < 0) |
421 | return false; |
449 | return false; |
422 | |
450 | |
… | |
… | |
437 | } |
465 | } |
438 | |
466 | |
439 | return true; |
467 | return true; |
440 | } |
468 | } |
441 | |
469 | |
442 | void |
|
|
443 | rxvt_ptytty::set_utf8_mode (bool on) |
|
|
444 | { |
|
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445 | #ifdef IUTF8 |
|
|
446 | if (pty < 0) |
|
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447 | return; |
|
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448 | |
|
|
449 | struct termios tio; |
|
|
450 | |
|
|
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 | |
|
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460 | if (new_cflag != tio.c_iflag) |
|
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461 | { |
|
|
462 | tio.c_iflag = new_cflag; |
|
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463 | tcsetattr (pty, TCSANOW, &tio); |
|
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464 | } |
|
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465 | } |
|
|
466 | #endif |
|
|
467 | } |
|
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468 | |
|
|
469 | /*----------------------- end-of-file (C source) -----------------------*/ |
470 | /*----------------------- end-of-file (C source) -----------------------*/ |
470 | |
471 | |