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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 1.38 by root, Tue Jan 17 11:53:07 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
243 setsid (); 230 setsid ();
244# endif
245# if defined(HAVE_SETPGID)
246 setpgid (0, 0);
247# elif defined(HAVE_SETPGRP)
248 setpgrp (0, 0);
249# endif
250 231
251 /* ---------------------------------------- */ 232 /* ---------------------------------------- */
252# ifdef TIOCNOTTY
253 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
254 if (fd >= 0)
255 {
256 ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */
257 close (fd);
258 }
259# endif
260
261 /* ---------------------------------------- */
262 fd = open ("/dev/tty", O_RDWR | O_NOCTTY);
263 if (fd >= 0)
264 close (fd); /* ouch: still have controlling tty */
265
266 /* ---------------------------------------- */
267#if defined(PTYS_ARE_PTMX) && defined(I_PUSH) 233# if defined(PTYS_ARE_PTMX) && defined(I_PUSH)
268 /* 234 /*
269 * Push STREAMS modules: 235 * Push STREAMS modules:
270 * ptem: pseudo-terminal hardware emulation module. 236 * ptem: pseudo-terminal hardware emulation module.
271 * ldterm: standard terminal line discipline. 237 * ldterm: standard terminal line discipline.
272 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. 238 * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module.
… …
280 * documentation is really unclear about whether it is any close () on 246 * 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 247 * 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 248 * close () - on the master side which causes a hang up to be sent
283 * through - Geoff Wing 249 * through - Geoff Wing
284 */ 250 */
285# ifdef HAVE_ISASTREAM 251# ifdef HAVE_ISASTREAM
286 if (isastream (fd_tty) == 1) 252 if (isastream (fd_tty) == 1)
287# endif 253# endif
288 { 254 {
289 ioctl (fd_tty, I_PUSH, "ptem"); 255 ioctl (fd_tty, I_PUSH, "ptem");
290 ioctl (fd_tty, I_PUSH, "ldterm"); 256 ioctl (fd_tty, I_PUSH, "ldterm");
291 ioctl (fd_tty, I_PUSH, "ttcompat"); 257 ioctl (fd_tty, I_PUSH, "ttcompat");
292 } 258 }
293#endif 259# endif
294 /* ---------------------------------------- */ 260 /* ---------------------------------------- */
295# if defined(TIOCSCTTY)
296 fd = ioctl (fd_tty, TIOCSCTTY, NULL); 261 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 /* ---------------------------------------- */ 262 /* ---------------------------------------- */
305 fd = open ("/dev/tty", O_WRONLY); 263 fd = open ("/dev/tty", O_WRONLY);
306 if (fd < 0) 264 if (fd < 0)
307 return -1; /* fatal */ 265 return -1; /* fatal */
308 close (fd); 266 close (fd);
309 /* ---------------------------------------- */ 267 /* ---------------------------------------- */
310#endif /* ! __QNX__ */
311 268
312 return 0; 269 return 0;
313} 270}
271
272void
273rxvt_ptytty::close_tty ()
274{
275 if (tty < 0)
276 return;
277
278 close (tty);
279 tty = -1;
280}
281
282bool
283rxvt_ptytty::make_controlling_tty ()
284{
285 return control_tty (tty) >= 0;
286}
287
288void
289rxvt_ptytty::set_utf8_mode (bool on)
290{
291#ifdef IUTF8
292 if (pty < 0)
293 return;
294
295 struct termios tio;
296
297 if (tcgetattr (pty, &tio) != -1)
298 {
299 tcflag_t new_cflag = tio.c_iflag;
300
301 if (on)
302 new_cflag |= IUTF8;
303 else
304 new_cflag &= ~IUTF8;
305
306 if (new_cflag != tio.c_iflag)
307 {
308 tio.c_iflag = new_cflag;
309 tcsetattr (pty, TCSANOW, &tio);
310 }
311 }
312#endif
313}
314
315/////////////////////////////////////////////////////////////////////////////
314 316
315#ifndef NO_SETOWNER_TTYDEV 317#ifndef NO_SETOWNER_TTYDEV
316static struct ttyconf { 318static struct ttyconf {
317 gid_t gid; 319 gid_t gid;
318 mode_t mode; 320 mode_t mode;
… …
334 gid = getgid (); 336 gid = getgid ();
335 } 337 }
336 } 338 }
337} ttyconf; 339} ttyconf;
338 340
341/////////////////////////////////////////////////////////////////////////////
342
339void 343void
340rxvt_ptytty::privileges (rxvt_privaction action) 344rxvt_ptytty_unix::privileges (rxvt_privaction action)
341{ 345{
342 if (!name || !*name) 346 if (!name || !*name)
343 return; 347 return;
344 348
345 rxvt_privileges (RESTORE); 349 rxvt_privileges (RESTORE);
… …
378 382
379 rxvt_privileges (IGNORE); 383 rxvt_privileges (IGNORE);
380} 384}
381#endif 385#endif
382 386
383rxvt_ptytty::rxvt_ptytty () 387rxvt_ptytty_unix::rxvt_ptytty_unix ()
384{ 388{
385 pty = tty = -1; 389 pty = tty = -1;
386 name = 0; 390 name = 0;
387#ifndef NO_SETOWNER_TTYDEV 391#ifndef NO_SETOWNER_TTYDEV
388 saved = false; 392 saved = false;
389#endif 393#endif
394#if UTMP_SUPPORT
395 cmd_pid = 0;
396#endif
390} 397}
391 398
392rxvt_ptytty::~rxvt_ptytty () 399rxvt_ptytty_unix::~rxvt_ptytty_unix ()
393{ 400{
401 logout ();
394 put (); 402 put ();
395} 403}
396 404
397void 405void
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 () 406rxvt_ptytty_unix::put ()
410{ 407{
411#ifndef NO_SETOWNER_TTYDEV 408#ifndef NO_SETOWNER_TTYDEV
412 privileges (RESTORE); 409 privileges (RESTORE);
413#endif 410#endif
414 411
… …
419 pty = tty = -1; 416 pty = tty = -1;
420 name = 0; 417 name = 0;
421} 418}
422 419
423bool 420bool
424rxvt_ptytty::make_controlling_tty ()
425{
426 return control_tty (tty, name) >= 0;
427}
428
429bool
430rxvt_ptytty::get () 421rxvt_ptytty_unix::get ()
431{ 422{
432 /* get master (pty) */ 423 /* get master (pty) */
433 if ((pty = get_pty (&tty, &name)) < 0) 424 if ((pty = get_pty (&tty, &name)) < 0)
434 return false; 425 return false;
435 426
… …
450 } 441 }
451 442
452 return true; 443 return true;
453} 444}
454 445
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) -----------------------*/ 446/*----------------------- end-of-file (C source) -----------------------*/
483 447

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