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Comparing rxvt-unicode/src/ptytty.C (file contents):
Revision 1.30 by root, Fri Jan 6 05:37:59 2006 UTC vs.
Revision 1.37 by root, Tue Jan 17 11:02:10 2006 UTC

… …
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
28# include <cstdlib> 27# include <cstdlib>
29#endif 28# include <cstring>
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>
58
59/////////////////////////////////////////////////////////////////////////////
64 60
65/* ------------------------------------------------------------------------- * 61/* ------------------------------------------------------------------------- *
66 * GET PSEUDO TELETYPE - MASTER AND SLAVE * 62 * GET PSEUDO TELETYPE - MASTER AND SLAVE *
67 * ------------------------------------------------------------------------- */ 63 * ------------------------------------------------------------------------- */
68/* 64/*
… …
93 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); 89 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0);
94 if (*ttydev != NULL) 90 if (*ttydev != NULL)
95 return pfd; 91 return pfd;
96#endif 92#endif
97 93
98#ifdef PTYS_ARE_GETPTY
99 char *ptydev;
100
101 while ((ptydev = getpty ()) != NULL)
102 if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0)
103 {
104 *ttydev = ptydev;
105 return pfd;
106 }
107#endif
108
109#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) 94#if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT)
110# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) 95# if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX)
111 96
112 { 97 {
113# ifdef PTYS_ARE_GETPT 98# ifdef PTYS_ARE_GETPT
114 pfd = getpt (); 99 pfd = getpt();
100# else
101# ifdef PTYS_ARE_POSIX
102 pfd = posix_openpt (O_RDWR);
115# else 103# else
116 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); 104 pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0);
105# endif
117# endif 106# endif
118 107
119 if (pfd >= 0) 108 if (pfd >= 0)
120 { 109 {
121 if (grantpt (pfd) == 0 /* change slave permissions */ 110 if (grantpt (pfd) == 0 /* change slave permissions */
… …
231/*----------------------------------------------------------------------*/ 220/*----------------------------------------------------------------------*/
232/* 221/*
233 * 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
234 */ 223 */
235static int 224static int
236control_tty (int fd_tty, const char *ttydev) 225control_tty (int fd_tty)
237{ 226{
238#ifndef __QNX__
239 int fd; 227 int fd;
240 228
241 /* ---------------------------------------- */ 229 /* ---------------------------------------- */
242# ifdef HAVE_SETSID 230# ifdef HAVE_SETSID
243 setsid (); 231 setsid ();
… …
262 fd = open ("/dev/tty", O_RDWR | O_NOCTTY); 250 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
263 if (fd >= 0) 251 if (fd >= 0)
264 close (fd); /* ouch: still have controlling tty */ 252 close (fd); /* ouch: still have controlling tty */
265 253
266 /* ---------------------------------------- */ 254 /* ---------------------------------------- */
267#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 255# if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
268 /* 256 /*
269 * Push STREAMS modules: 257 * Push STREAMS modules:
270 * ptem: pseudo-terminal hardware emulation module. 258 * ptem: pseudo-terminal hardware emulation module.
271 * ldterm: standard terminal line discipline. 259 * ldterm: standard terminal line discipline.
272 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 260 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
… …
280 * documentation is really unclear about whether it is any close () on 268 * documentation is really unclear about whether it is any close () on
281 * 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
282 * 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
283 * through - Geoff Wing 271 * through - Geoff Wing
284 */ 272 */
285# ifdef HAVE_ISASTREAM 273# ifdef HAVE_ISASTREAM
286 if (isastream (fd_tty) == 1) 274 if (isastream (fd_tty) == 1)
287# endif 275# endif
288 { 276 {
289 ioctl (fd_tty, I_PUSH, "ptem"); 277 ioctl (fd_tty, I_PUSH, "ptem");
290 ioctl (fd_tty, I_PUSH, "ldterm"); 278 ioctl (fd_tty, I_PUSH, "ldterm");
291 ioctl (fd_tty, I_PUSH, "ttcompat"); 279 ioctl (fd_tty, I_PUSH, "ttcompat");
292 } 280 }
293#endif 281# endif
294 /* ---------------------------------------- */ 282 /* ---------------------------------------- */
295# if defined(TIOCSCTTY)
296 fd = ioctl (fd_tty, TIOCSCTTY, NULL); 283 fd = ioctl (fd_tty, TIOCSCTTY, NULL);
297# elif defined(TIOCSETCTTY)
298 fd = ioctl (fd_tty, TIOCSETCTTY, NULL);
299# else
300 fd = open (ttydev, O_RDWR);
301 if (fd >= 0)
302 close (fd);
303# endif
304 /* ---------------------------------------- */ 284 /* ---------------------------------------- */
305 fd = open ("/dev/tty", O_WRONLY); 285 fd = open ("/dev/tty", O_WRONLY);
306 if (fd < 0) 286 if (fd < 0)
307 return -1; /* fatal */ 287 return -1; /* fatal */
308 close (fd); 288 close (fd);
309 /* ---------------------------------------- */ 289 /* ---------------------------------------- */
310#endif /* ! __QNX__ */
311 290
312 return 0; 291 return 0;
313} 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/////////////////////////////////////////////////////////////////////////////
314 338
315#ifndef NO_SETOWNER_TTYDEV 339#ifndef NO_SETOWNER_TTYDEV
316static struct ttyconf { 340static struct ttyconf {
317 gid_t gid; 341 gid_t gid;
318 mode_t mode; 342 mode_t mode;
… …
334 gid = getgid (); 358 gid = getgid ();
335 } 359 }
336 } 360 }
337} ttyconf; 361} ttyconf;
338 362
363/////////////////////////////////////////////////////////////////////////////
364
339void 365void
340rxvt_ptytty::privileges (rxvt_privaction action) 366rxvt_ptytty_unix::privileges (rxvt_privaction action)
341{ 367{
342 if (!name || !*name) 368 if (!name || !*name)
343 return; 369 return;
344 370
345 rxvt_privileges (RESTORE); 371 rxvt_privileges (RESTORE);
… …
378 404
379 rxvt_privileges (IGNORE); 405 rxvt_privileges (IGNORE);
380} 406}
381#endif 407#endif
382 408
383rxvt_ptytty::rxvt_ptytty () 409rxvt_ptytty_unix::rxvt_ptytty_unix ()
384{ 410{
385 pty = tty = -1; 411 pty = tty = -1;
386 name = 0; 412 name = 0;
387#ifndef NO_SETOWNER_TTYDEV 413#ifndef NO_SETOWNER_TTYDEV
388 saved = false; 414 saved = false;
389#endif 415#endif
416#if UTMP_SUPPORT
417 cmd_pid = 0;
418#endif
390} 419}
391 420
392rxvt_ptytty::~rxvt_ptytty () 421rxvt_ptytty_unix::~rxvt_ptytty_unix ()
393{ 422{
423 logout ();
394 put (); 424 put ();
395} 425}
396 426
397void 427void
398
399rxvt_ptytty::close_tty ()
400{
401 if (tty < 0)
402 return;
403
404 close (tty);
405 tty = -1;
406}
407
408void
409rxvt_ptytty::put () 428rxvt_ptytty_unix::put ()
410{ 429{
411#ifndef NO_SETOWNER_TTYDEV 430#ifndef NO_SETOWNER_TTYDEV
412 privileges (RESTORE); 431 privileges (RESTORE);
413#endif 432#endif
414 433
… …
419 pty = tty = -1; 438 pty = tty = -1;
420 name = 0; 439 name = 0;
421} 440}
422 441
423bool 442bool
424rxvt_ptytty::make_controlling_tty ()
425{
426 return control_tty (tty, name) >= 0;
427}
428
429bool
430rxvt_ptytty::get () 443rxvt_ptytty_unix::get ()
431{ 444{
432 /* get master (pty) */ 445 /* get master (pty) */
433 if ((pty = get_pty (&tty, &name)) < 0) 446 if ((pty = get_pty (&tty, &name)) < 0)
434 return false; 447 return false;
435 448
… …
450 } 463 }
451 464
452 return true; 465 return true;
453} 466}
454 467
455void
456rxvt_ptytty::set_utf8_mode (bool on)
457{
458#ifdef IUTF8
459 if (pty < 0)
460 return;
461
462 struct termios tio;
463
464 if (tcgetattr (pty, &tio) != -1)
465 {
466 tcflag_t new_cflag = tio.c_iflag;
467
468 if (on)
469 new_cflag |= IUTF8;
470 else
471 new_cflag &= ~IUTF8;
472
473 if (new_cflag != tio.c_iflag)
474 {
475 tio.c_iflag = new_cflag;
476 tcsetattr (pty, TCSANOW, &tio);
477 }
478 }
479#endif
480}
481
482/*----------------------- end-of-file (C source) -----------------------*/ 468/*----------------------- end-of-file (C source) -----------------------*/
483 469

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