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/cvs/rxvt-unicode/src/ptytty.C
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Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.33 by root, Wed Jan 11 23:08:54 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
… …
88 if (*ttydev != NULL) 90 if (*ttydev != NULL)
89 return pfd; 91 return pfd;
90#endif 92#endif
91 93
92#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) 94#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT)
93# if defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX) 95# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX)
94 96
95 { 97 {
98# ifdef PTYS_ARE_GETPT
99 pfd = getpt();
100# else
96# ifdef PTYS_ARE_POSIX 101# ifdef PTYS_ARE_POSIX
97 pfd = posix_openpt (O_RDWR); 102 pfd = posix_openpt (O_RDWR);
98# else 103# else
99 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); 104 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0);
105# endif
100# endif 106# endif
101 107
102 if (pfd >= 0) 108 if (pfd >= 0)
103 { 109 {
104 if (grantpt (pfd) == 0 /* change slave permissions */ 110 if (grantpt (pfd) == 0 /* change slave permissions */
… …
214/*----------------------------------------------------------------------*/ 220/*----------------------------------------------------------------------*/
215/* 221/*
216 * 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
217 */ 223 */
218static int 224static int
219control_tty (int fd_tty, const char *ttydev) 225control_tty (int fd_tty)
220{ 226{
221#ifndef __QNX__
222 int fd; 227 int fd;
223 228
224 /* ---------------------------------------- */ 229 /* ---------------------------------------- */
225# ifdef HAVE_SETSID 230# ifdef HAVE_SETSID
226 setsid (); 231 setsid ();
… …
245 fd = open ("/dev/tty", O_RDWR | O_NOCTTY); 250 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
246 if (fd >= 0) 251 if (fd >= 0)
247 close (fd); /* ouch: still have controlling tty */ 252 close (fd); /* ouch: still have controlling tty */
248 253
249 /* ---------------------------------------- */ 254 /* ---------------------------------------- */
250#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 255# if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
251 /* 256 /*
252 * Push STREAMS modules: 257 * Push STREAMS modules:
253 * ptem: pseudo-terminal hardware emulation module. 258 * ptem: pseudo-terminal hardware emulation module.
254 * ldterm: standard terminal line discipline. 259 * ldterm: standard terminal line discipline.
255 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 260 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
… …
263 * documentation is really unclear about whether it is any close () on 268 * documentation is really unclear about whether it is any close () on
264 * 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
265 * 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
266 * through - Geoff Wing 271 * through - Geoff Wing
267 */ 272 */
268# ifdef HAVE_ISASTREAM 273# ifdef HAVE_ISASTREAM
269 if (isastream (fd_tty) == 1) 274 if (isastream (fd_tty) == 1)
270# endif 275# endif
271 { 276 {
272 ioctl (fd_tty, I_PUSH, "ptem"); 277 ioctl (fd_tty, I_PUSH, "ptem");
273 ioctl (fd_tty, I_PUSH, "ldterm"); 278 ioctl (fd_tty, I_PUSH, "ldterm");
274 ioctl (fd_tty, I_PUSH, "ttcompat"); 279 ioctl (fd_tty, I_PUSH, "ttcompat");
275 } 280 }
276#endif 281# endif
277 /* ---------------------------------------- */ 282 /* ---------------------------------------- */
278# if defined(TIOCSCTTY)
279 fd = ioctl (fd_tty, TIOCSCTTY, NULL); 283 fd = ioctl (fd_tty, TIOCSCTTY, NULL);
280# elif defined(TIOCSETCTTY)
281 fd = ioctl (fd_tty, TIOCSETCTTY, NULL);
282# else
283 fd = open (ttydev, O_RDWR);
284 if (fd >= 0)
285 close (fd);
286# endif
287 /* ---------------------------------------- */ 284 /* ---------------------------------------- */
288 fd = open ("/dev/tty", O_WRONLY); 285 fd = open ("/dev/tty", O_WRONLY);
289 if (fd < 0) 286 if (fd < 0)
290 return -1; /* fatal */ 287 return -1; /* fatal */
291 close (fd); 288 close (fd);
292 /* ---------------------------------------- */ 289 /* ---------------------------------------- */
293#endif /* ! __QNX__ */
294 290
295 return 0; 291 return 0;
296} 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/////////////////////////////////////////////////////////////////////////////
297 338
298#ifndef NO_SETOWNER_TTYDEV 339#ifndef NO_SETOWNER_TTYDEV
299static struct ttyconf { 340static struct ttyconf {
300 gid_t gid; 341 gid_t gid;
301 mode_t mode; 342 mode_t mode;
… …
317 gid = getgid (); 358 gid = getgid ();
318 } 359 }
319 } 360 }
320} ttyconf; 361} ttyconf;
321 362
363/////////////////////////////////////////////////////////////////////////////
364
322void 365void
323rxvt_ptytty::privileges (rxvt_privaction action) 366rxvt_ptytty_unix::privileges (rxvt_privaction action)
324{ 367{
325 if (!name || !*name) 368 if (!name || !*name)
326 return; 369 return;
327 370
328 rxvt_privileges (RESTORE); 371 rxvt_privileges (RESTORE);
… …
361 404
362 rxvt_privileges (IGNORE); 405 rxvt_privileges (IGNORE);
363} 406}
364#endif 407#endif
365 408
366rxvt_ptytty::rxvt_ptytty () 409rxvt_ptytty_unix::rxvt_ptytty_unix ()
367{ 410{
368 pty = tty = -1; 411 pty = tty = -1;
369 name = 0; 412 name = 0;
370#ifndef NO_SETOWNER_TTYDEV 413#ifndef NO_SETOWNER_TTYDEV
371 saved = false; 414 saved = false;
372#endif 415#endif
416#if UTMP_SUPPORT
417 cmd_pid = 0;
418#endif
373} 419}
374 420
375rxvt_ptytty::~rxvt_ptytty () 421rxvt_ptytty_unix::~rxvt_ptytty_unix ()
376{ 422{
423 logout ();
377 put (); 424 put ();
378} 425}
379 426
380void 427void
381
382rxvt_ptytty::close_tty ()
383{
384 if (tty < 0)
385 return;
386
387 close (tty);
388 tty = -1;
389}
390
391void
392rxvt_ptytty::put () 428rxvt_ptytty_unix::put ()
393{ 429{
394#ifndef NO_SETOWNER_TTYDEV 430#ifndef NO_SETOWNER_TTYDEV
395 privileges (RESTORE); 431 privileges (RESTORE);
396#endif 432#endif
397 433
… …
402 pty = tty = -1; 438 pty = tty = -1;
403 name = 0; 439 name = 0;
404} 440}
405 441
406bool 442bool
407rxvt_ptytty::make_controlling_tty ()
408{
409 return control_tty (tty, name) >= 0;
410}
411
412bool
413rxvt_ptytty::get () 443rxvt_ptytty_unix::get ()
414{ 444{
415 /* get master (pty) */ 445 /* get master (pty) */
416 if ((pty = get_pty (&tty, &name)) < 0) 446 if ((pty = get_pty (&tty, &name)) < 0)
417 return false; 447 return false;
418 448
… …
433 } 463 }
434 464
435 return true; 465 return true;
436} 466}
437 467
438void
439rxvt_ptytty::set_utf8_mode (bool on)
440{
441#ifdef IUTF8
442 if (pty < 0)
443 return;
444
445 struct termios tio;
446
447 if (tcgetattr (pty, &tio) != -1)
448 {
449 tcflag_t new_cflag = tio.c_iflag;
450
451 if (on)
452 new_cflag |= IUTF8;
453 else
454 new_cflag &= ~IUTF8;
455
456 if (new_cflag != tio.c_iflag)
457 {
458 tio.c_iflag = new_cflag;
459 tcsetattr (pty, TCSANOW, &tio);
460 }
461 }
462#endif
463}
464
465/*----------------------- end-of-file (C source) -----------------------*/ 468/*----------------------- end-of-file (C source) -----------------------*/
466 469

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