… | |
… | |
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; |
|
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100 | |
|
|
101 | while ((ptydev = getpty ()) != NULL) |
|
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102 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
|
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103 | { |
|
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104 | *ttydev = ptydev; |
|
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105 | return pfd; |
|
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106 | } |
|
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107 | #endif |
|
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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 | */ |
235 | static int |
224 | static int |
236 | control_tty (int fd_tty, const char *ttydev) |
225 | control_tty (int fd_tty) |
237 | { |
226 | { |
238 | #ifndef __QNX__ |
|
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239 | int fd; |
227 | int fd; |
240 | |
228 | |
241 | /* ---------------------------------------- */ |
229 | /* ---------------------------------------- */ |
242 | # ifdef HAVE_SETSID |
|
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243 | setsid (); |
230 | setsid (); |
244 | # endif |
|
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245 | # if defined(HAVE_SETPGID) |
|
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246 | setpgid (0, 0); |
|
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247 | # elif defined(HAVE_SETPGRP) |
|
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248 | setpgrp (0, 0); |
|
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249 | # endif |
|
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250 | |
231 | |
251 | /* ---------------------------------------- */ |
232 | /* ---------------------------------------- */ |
252 | # ifdef TIOCNOTTY |
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253 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
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254 | if (fd >= 0) |
|
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255 | { |
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256 | ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */ |
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257 | close (fd); |
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258 | } |
|
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259 | # endif |
|
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260 | |
|
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261 | /* ---------------------------------------- */ |
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262 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
|
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263 | if (fd >= 0) |
|
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264 | close (fd); /* ouch: still have controlling tty */ |
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265 | |
|
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266 | /* ---------------------------------------- */ |
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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) |
|
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298 | fd = ioctl (fd_tty, TIOCSETCTTY, NULL); |
|
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299 | # else |
|
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300 | fd = open (ttydev, O_RDWR); |
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301 | if (fd >= 0) |
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302 | close (fd); |
|
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303 | # endif |
|
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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__ */ |
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311 | |
268 | |
312 | return 0; |
269 | return 0; |
313 | } |
270 | } |
|
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271 | |
|
|
272 | void |
|
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273 | rxvt_ptytty::close_tty () |
|
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274 | { |
|
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275 | if (tty < 0) |
|
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276 | return; |
|
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277 | |
|
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278 | close (tty); |
|
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279 | tty = -1; |
|
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280 | } |
|
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281 | |
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|
282 | bool |
|
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283 | rxvt_ptytty::make_controlling_tty () |
|
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284 | { |
|
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285 | return control_tty (tty) >= 0; |
|
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286 | } |
|
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287 | |
|
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288 | void |
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289 | rxvt_ptytty::set_utf8_mode (bool on) |
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290 | { |
|
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291 | #ifdef IUTF8 |
|
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292 | if (pty < 0) |
|
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293 | return; |
|
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294 | |
|
|
295 | struct termios tio; |
|
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296 | |
|
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297 | if (tcgetattr (pty, &tio) != -1) |
|
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298 | { |
|
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299 | tcflag_t new_cflag = tio.c_iflag; |
|
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300 | |
|
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301 | if (on) |
|
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302 | new_cflag |= IUTF8; |
|
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303 | else |
|
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304 | new_cflag &= ~IUTF8; |
|
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305 | |
|
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306 | if (new_cflag != tio.c_iflag) |
|
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307 | { |
|
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308 | tio.c_iflag = new_cflag; |
|
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309 | tcsetattr (pty, TCSANOW, &tio); |
|
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310 | } |
|
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311 | } |
|
|
312 | #endif |
|
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313 | } |
|
|
314 | |
|
|
315 | ///////////////////////////////////////////////////////////////////////////// |
314 | |
316 | |
315 | #ifndef NO_SETOWNER_TTYDEV |
317 | #ifndef NO_SETOWNER_TTYDEV |
316 | static struct ttyconf { |
318 | static 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 | |
339 | void |
343 | void |
340 | rxvt_ptytty::privileges (rxvt_privaction action) |
344 | rxvt_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 | |
383 | rxvt_ptytty::rxvt_ptytty () |
387 | rxvt_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; |
|
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396 | #endif |
390 | } |
397 | } |
391 | |
398 | |
392 | rxvt_ptytty::~rxvt_ptytty () |
399 | rxvt_ptytty_unix::~rxvt_ptytty_unix () |
393 | { |
400 | { |
|
|
401 | logout (); |
394 | put (); |
402 | put (); |
395 | } |
403 | } |
396 | |
404 | |
397 | void |
405 | void |
398 | |
|
|
399 | rxvt_ptytty::close_tty () |
|
|
400 | { |
|
|
401 | if (tty < 0) |
|
|
402 | return; |
|
|
403 | |
|
|
404 | close (tty); |
|
|
405 | tty = -1; |
|
|
406 | } |
|
|
407 | |
|
|
408 | void |
|
|
409 | rxvt_ptytty::put () |
406 | rxvt_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 | |
423 | bool |
420 | bool |
424 | rxvt_ptytty::make_controlling_tty () |
|
|
425 | { |
|
|
426 | return control_tty (tty, name) >= 0; |
|
|
427 | } |
|
|
428 | |
|
|
429 | bool |
|
|
430 | rxvt_ptytty::get () |
421 | rxvt_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 | |
455 | void |
|
|
456 | rxvt_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 | |