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/cvs/rxvt-unicode/src/ptytty.C
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Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.34 by ayin, Tue Jan 17 08:54:33 2006 UTC vs.
Revision 1.37 by root, Tue Jan 17 11:02:10 2006 UTC

… …
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 */
222static int 224static int
223control_tty (int fd_tty, const char *ttydev) 225control_tty (int fd_tty)
224{ 226{
225#ifndef __QNX__
226 int fd; 227 int fd;
227 228
228 /* ---------------------------------------- */ 229 /* ---------------------------------------- */
229# ifdef HAVE_SETSID 230# ifdef HAVE_SETSID
230 setsid (); 231 setsid ();
… …
249 fd = open ("/dev/tty", O_RDWR | O_NOCTTY); 250 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
250 if (fd >= 0) 251 if (fd >= 0)
251 close (fd); /* ouch: still have controlling tty */ 252 close (fd); /* ouch: still have controlling tty */
252 253
253 /* ---------------------------------------- */ 254 /* ---------------------------------------- */
254#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 255# if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
255 /* 256 /*
256 * Push STREAMS modules: 257 * Push STREAMS modules:
257 * ptem: pseudo-terminal hardware emulation module. 258 * ptem: pseudo-terminal hardware emulation module.
258 * ldterm: standard terminal line discipline. 259 * ldterm: standard terminal line discipline.
259 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 260 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
… …
267 * documentation is really unclear about whether it is any close () on 268 * 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 269 * 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 270 * close () - on the master side which causes a hang up to be sent
270 * through - Geoff Wing 271 * through - Geoff Wing
271 */ 272 */
272# ifdef HAVE_ISASTREAM 273# ifdef HAVE_ISASTREAM
273 if (isastream (fd_tty) == 1) 274 if (isastream (fd_tty) == 1)
274# endif 275# endif
275 { 276 {
276 ioctl (fd_tty, I_PUSH, "ptem"); 277 ioctl (fd_tty, I_PUSH, "ptem");
277 ioctl (fd_tty, I_PUSH, "ldterm"); 278 ioctl (fd_tty, I_PUSH, "ldterm");
278 ioctl (fd_tty, I_PUSH, "ttcompat"); 279 ioctl (fd_tty, I_PUSH, "ttcompat");
279 } 280 }
280#endif 281# endif
281 /* ---------------------------------------- */ 282 /* ---------------------------------------- */
282# if defined(TIOCSCTTY)
283 fd = ioctl (fd_tty, TIOCSCTTY, NULL); 283 fd = ioctl (fd_tty, TIOCSCTTY, NULL);
284# elif defined(TIOCSETCTTY)
285 fd = ioctl (fd_tty, TIOCSETCTTY, NULL);
286# else
287 fd = open (ttydev, O_RDWR);
288 if (fd >= 0)
289 close (fd);
290# endif
291 /* ---------------------------------------- */ 284 /* ---------------------------------------- */
292 fd = open ("/dev/tty", O_WRONLY); 285 fd = open ("/dev/tty", O_WRONLY);
293 if (fd < 0) 286 if (fd < 0)
294 return -1; /* fatal */ 287 return -1; /* fatal */
295 close (fd); 288 close (fd);
296 /* ---------------------------------------- */ 289 /* ---------------------------------------- */
297#endif /* ! __QNX__ */
298 290
299 return 0; 291 return 0;
300} 292}
293
294void
295rxvt_ptytty::close_tty ()
296{
297 if (tty < 0)
298 return;
299
300 close (tty);
301 tty = -1;
302}
303
304bool
305rxvt_ptytty::make_controlling_tty ()
306{
307 return control_tty (tty) >= 0;
308}
309
310void
311rxvt_ptytty::set_utf8_mode (bool on)
312{
313#ifdef IUTF8
314 if (pty < 0)
315 return;
316
317 struct termios tio;
318
319 if (tcgetattr (pty, &tio) != -1)
320 {
321 tcflag_t new_cflag = tio.c_iflag;
322
323 if (on)
324 new_cflag |= IUTF8;
325 else
326 new_cflag &= ~IUTF8;
327
328 if (new_cflag != tio.c_iflag)
329 {
330 tio.c_iflag = new_cflag;
331 tcsetattr (pty, TCSANOW, &tio);
332 }
333 }
334#endif
335}
336
337/////////////////////////////////////////////////////////////////////////////
301 338
302#ifndef NO_SETOWNER_TTYDEV 339#ifndef NO_SETOWNER_TTYDEV
303static struct ttyconf { 340static struct ttyconf {
304 gid_t gid; 341 gid_t gid;
305 mode_t mode; 342 mode_t mode;
… …
321 gid = getgid (); 358 gid = getgid ();
322 } 359 }
323 } 360 }
324} ttyconf; 361} ttyconf;
325 362
363/////////////////////////////////////////////////////////////////////////////
364
326void 365void
327rxvt_ptytty::privileges (rxvt_privaction action) 366rxvt_ptytty_unix::privileges (rxvt_privaction action)
328{ 367{
329 if (!name || !*name) 368 if (!name || !*name)
330 return; 369 return;
331 370
332 rxvt_privileges (RESTORE); 371 rxvt_privileges (RESTORE);
… …
365 404
366 rxvt_privileges (IGNORE); 405 rxvt_privileges (IGNORE);
367} 406}
368#endif 407#endif
369 408
370rxvt_ptytty::rxvt_ptytty () 409rxvt_ptytty_unix::rxvt_ptytty_unix ()
371{ 410{
372 pty = tty = -1; 411 pty = tty = -1;
373 name = 0; 412 name = 0;
374#ifndef NO_SETOWNER_TTYDEV 413#ifndef NO_SETOWNER_TTYDEV
375 saved = false; 414 saved = false;
376#endif 415#endif
416#if UTMP_SUPPORT
417 cmd_pid = 0;
418#endif
377} 419}
378 420
379rxvt_ptytty::~rxvt_ptytty () 421rxvt_ptytty_unix::~rxvt_ptytty_unix ()
380{ 422{
423 logout ();
381 put (); 424 put ();
382} 425}
383 426
384void 427void
385
386rxvt_ptytty::close_tty ()
387{
388 if (tty < 0)
389 return;
390
391 close (tty);
392 tty = -1;
393}
394
395void
396rxvt_ptytty::put () 428rxvt_ptytty_unix::put ()
397{ 429{
398#ifndef NO_SETOWNER_TTYDEV 430#ifndef NO_SETOWNER_TTYDEV
399 privileges (RESTORE); 431 privileges (RESTORE);
400#endif 432#endif
401 433
… …
406 pty = tty = -1; 438 pty = tty = -1;
407 name = 0; 439 name = 0;
408} 440}
409 441
410bool 442bool
411rxvt_ptytty::make_controlling_tty ()
412{
413 return control_tty (tty, name) >= 0;
414}
415
416bool
417rxvt_ptytty::get () 443rxvt_ptytty_unix::get ()
418{ 444{
419 /* get master (pty) */ 445 /* get master (pty) */
420 if ((pty = get_pty (&tty, &name)) < 0) 446 if ((pty = get_pty (&tty, &name)) < 0)
421 return false; 447 return false;
422 448
… …
437 } 463 }
438 464
439 return true; 465 return true;
440} 466}
441 467
442void
443rxvt_ptytty::set_utf8_mode (bool on)
444{
445#ifdef IUTF8
446 if (pty < 0)
447 return;
448
449 struct termios tio;
450
451 if (tcgetattr (pty, &tio) != -1)
452 {
453 tcflag_t new_cflag = tio.c_iflag;
454
455 if (on)
456 new_cflag |= IUTF8;
457 else
458 new_cflag &= ~IUTF8;
459
460 if (new_cflag != tio.c_iflag)
461 {
462 tio.c_iflag = new_cflag;
463 tcsetattr (pty, TCSANOW, &tio);
464 }
465 }
466#endif
467}
468
469/*----------------------- end-of-file (C source) -----------------------*/ 468/*----------------------- end-of-file (C source) -----------------------*/
470 469

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