… | |
… | |
46 | |
46 | |
47 | #ifdef HAVE_TERMIOS_H |
47 | #ifdef HAVE_TERMIOS_H |
48 | # include <termios.h> |
48 | # include <termios.h> |
49 | #endif |
49 | #endif |
50 | |
50 | |
51 | #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
51 | vector<rxvt_term *> rxvt_term::termlist; |
52 | static uid_t saved_euid; |
52 | |
53 | static gid_t saved_egid; |
53 | // used to tell global functions which terminal instance is "active" |
54 | #endif |
54 | rxvt_t rxvt_current_term; |
|
|
55 | |
|
|
56 | static char curlocale[128], savelocale[128]; |
55 | |
57 | |
56 | bool |
58 | bool |
57 | rxvt_tainted () |
|
|
58 | { |
|
|
59 | #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
|
|
60 | return getuid () != saved_euid || getgid () != saved_egid; |
|
|
61 | #else |
|
|
62 | return false; |
|
|
63 | #endif |
|
|
64 | } |
|
|
65 | |
|
|
66 | vector<rxvt_term *> rxvt_term::termlist; |
|
|
67 | |
|
|
68 | static char curlocale[128], savelocale[128]; |
|
|
69 | |
|
|
70 | bool |
|
|
71 | rxvt_set_locale (const char *locale) |
59 | rxvt_set_locale (const char *locale) NOTHROW |
72 | { |
60 | { |
73 | if (!locale || !strncmp (locale, curlocale, 128)) |
61 | if (!locale || !strncmp (locale, curlocale, 128)) |
74 | return false; |
62 | return false; |
75 | |
63 | |
76 | strncpy (curlocale, locale, 128); |
64 | strncpy (curlocale, locale, 128); |
77 | setlocale (LC_CTYPE, curlocale); |
65 | setlocale (LC_CTYPE, curlocale); |
78 | return true; |
66 | return true; |
79 | } |
67 | } |
80 | |
68 | |
81 | void |
69 | void |
82 | rxvt_push_locale (const char *locale) |
70 | rxvt_push_locale (const char *locale) NOTHROW |
83 | { |
71 | { |
84 | strcpy (savelocale, curlocale); |
72 | strcpy (savelocale, curlocale); |
85 | rxvt_set_locale (locale); |
73 | rxvt_set_locale (locale); |
86 | } |
74 | } |
87 | |
75 | |
88 | void |
76 | void |
89 | rxvt_pop_locale () |
77 | rxvt_pop_locale () NOTHROW |
90 | { |
78 | { |
91 | rxvt_set_locale (savelocale); |
79 | rxvt_set_locale (savelocale); |
92 | } |
80 | } |
93 | |
81 | |
94 | #if ENABLE_COMBINING |
82 | #if ENABLE_COMBINING |
… | |
… | |
161 | rootwin_ev (this, &rxvt_term::rootwin_cb), |
149 | rootwin_ev (this, &rxvt_term::rootwin_cb), |
162 | #endif |
150 | #endif |
163 | #ifdef HAVE_SCROLLBARS |
151 | #ifdef HAVE_SCROLLBARS |
164 | scrollbar_ev (this, &rxvt_term::x_cb), |
152 | scrollbar_ev (this, &rxvt_term::x_cb), |
165 | #endif |
153 | #endif |
166 | #ifdef MENUBAR |
|
|
167 | menubar_ev (this, &rxvt_term::x_cb), |
|
|
168 | #endif |
|
|
169 | #ifdef CURSOR_BLINK |
154 | #ifdef CURSOR_BLINK |
170 | cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
155 | cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
171 | #endif |
156 | #endif |
172 | #ifdef TEXT_BLINK |
157 | #ifdef TEXT_BLINK |
173 | text_blink_ev (this, &rxvt_term::text_blink_cb), |
158 | text_blink_ev (this, &rxvt_term::text_blink_cb), |
… | |
… | |
187 | #ifdef USE_XIM |
172 | #ifdef USE_XIM |
188 | im_ev (this, &rxvt_term::im_cb), |
173 | im_ev (this, &rxvt_term::im_cb), |
189 | #endif |
174 | #endif |
190 | termwin_ev (this, &rxvt_term::x_cb), |
175 | termwin_ev (this, &rxvt_term::x_cb), |
191 | vt_ev (this, &rxvt_term::x_cb), |
176 | vt_ev (this, &rxvt_term::x_cb), |
|
|
177 | child_ev (this, &rxvt_term::child_cb), |
192 | check_ev (this, &rxvt_term::check_cb), |
178 | check_ev (this, &rxvt_term::check_cb), |
193 | flush_ev (this, &rxvt_term::flush_cb), |
179 | flush_ev (this, &rxvt_term::flush_cb), |
194 | destroy_ev (this, &rxvt_term::destroy_cb), |
180 | destroy_ev (this, &rxvt_term::destroy_cb), |
195 | pty_ev (this, &rxvt_term::pty_cb), |
181 | pty_ev (this, &rxvt_term::pty_cb), |
196 | incr_ev (this, &rxvt_term::incr_cb) |
182 | incr_ev (this, &rxvt_term::incr_cb) |
… | |
… | |
199 | |
185 | |
200 | termlist.push_back (this); |
186 | termlist.push_back (this); |
201 | |
187 | |
202 | #ifdef KEYSYM_RESOURCE |
188 | #ifdef KEYSYM_RESOURCE |
203 | keyboard = new keyboard_manager; |
189 | keyboard = new keyboard_manager; |
204 | |
|
|
205 | if (!keyboard) |
|
|
206 | rxvt_fatal ("out of memory, aborting.\n"); |
|
|
207 | #endif |
190 | #endif |
208 | } |
191 | } |
209 | |
192 | |
210 | // clean up the most important stuff, do *not* call x or free mem etc. |
193 | // clean up the most important stuff, do *not* call x or free mem etc. |
211 | // for use before an emergency exit |
194 | // for use before an emergency exit |
212 | void rxvt_term::emergency_cleanup () |
195 | void rxvt_term::emergency_cleanup () |
213 | { |
196 | { |
214 | if (cmd_pid) |
197 | if (cmd_pid) |
215 | kill (-cmd_pid, SIGHUP); |
198 | kill (-cmd_pid, SIGHUP); |
216 | |
199 | |
217 | #ifdef UTMP_SUPPORT |
200 | delete pty; pty = 0; |
218 | privileged_utmp (RESTORE); |
|
|
219 | #endif |
|
|
220 | |
|
|
221 | pty.put (); |
|
|
222 | } |
201 | } |
223 | |
202 | |
224 | rxvt_term::~rxvt_term () |
203 | rxvt_term::~rxvt_term () |
225 | { |
204 | { |
226 | HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)); |
|
|
227 | |
|
|
228 | termlist.erase (find (termlist.begin (), termlist.end(), this)); |
205 | termlist.erase (find (termlist.begin (), termlist.end(), this)); |
229 | |
206 | |
230 | emergency_cleanup (); |
207 | emergency_cleanup (); |
231 | |
208 | |
232 | #if ENABLE_STYLES |
209 | #if ENABLE_STYLES |
… | |
… | |
242 | |
219 | |
243 | selection_clear (); |
220 | selection_clear (); |
244 | |
221 | |
245 | #ifdef USE_XIM |
222 | #ifdef USE_XIM |
246 | im_destroy (); |
223 | im_destroy (); |
247 | #endif |
|
|
248 | #ifdef MENUBAR |
|
|
249 | if (menubarGC) XFreeGC (disp, menubarGC); |
|
|
250 | #endif |
224 | #endif |
251 | #ifdef XTERM_SCROLLBAR |
225 | #ifdef XTERM_SCROLLBAR |
252 | if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); |
226 | if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); |
253 | if (ShadowGC) XFreeGC (disp, ShadowGC); |
227 | if (ShadowGC) XFreeGC (disp, ShadowGC); |
254 | #endif |
228 | #endif |
… | |
… | |
265 | if (upArrow) XFreePixmap (disp, upArrow); |
239 | if (upArrow) XFreePixmap (disp, upArrow); |
266 | if (downArrow) XFreePixmap (disp, downArrow); |
240 | if (downArrow) XFreePixmap (disp, downArrow); |
267 | if (upArrowHi) XFreePixmap (disp, upArrowHi); |
241 | if (upArrowHi) XFreePixmap (disp, upArrowHi); |
268 | if (downArrowHi) XFreePixmap (disp, downArrowHi); |
242 | if (downArrowHi) XFreePixmap (disp, downArrowHi); |
269 | #endif |
243 | #endif |
270 | #if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
244 | #ifdef RXVT_SCROLLBAR |
271 | if (topShadowGC) XFreeGC (disp, topShadowGC); |
245 | if (topShadowGC) XFreeGC (disp, topShadowGC); |
272 | if (botShadowGC) XFreeGC (disp, botShadowGC); |
246 | if (botShadowGC) XFreeGC (disp, botShadowGC); |
273 | if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
247 | if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
274 | #endif |
248 | #endif |
275 | if (gc) XFreeGC (disp, gc); |
249 | if (gc) XFreeGC (disp, gc); |
276 | |
250 | |
277 | #if defined(MENUBAR) && (MENUBAR_MAX > 1) |
|
|
278 | delete menuBar.drawable; |
|
|
279 | //if (menuBar.win) |
|
|
280 | // XDestroyWindow (disp, menuBar.win); |
|
|
281 | #endif |
|
|
282 | delete drawable; |
251 | delete drawable; |
283 | // destroy all windows |
252 | // destroy all windows |
284 | if (parent[0]) |
253 | if (parent[0]) |
285 | XDestroyWindow (disp, parent[0]); |
254 | XDestroyWindow (disp, parent[0]); |
286 | } |
255 | } |
… | |
… | |
315 | #ifdef KEYSYM_RESOURCE |
284 | #ifdef KEYSYM_RESOURCE |
316 | delete keyboard; |
285 | delete keyboard; |
317 | #endif |
286 | #endif |
318 | } |
287 | } |
319 | |
288 | |
|
|
289 | // child has exited, usually destroys |
320 | void |
290 | void |
321 | rxvt_term::child_exit () |
291 | rxvt_term::child_cb (child_watcher &w, int status) |
322 | { |
292 | { |
|
|
293 | HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); |
|
|
294 | |
323 | cmd_pid = 0; |
295 | cmd_pid = 0; |
324 | |
296 | |
325 | if (!OPTION (Opt_hold)) |
297 | if (!OPTION (Opt_hold)) |
326 | destroy (); |
298 | destroy (); |
327 | } |
299 | } |
… | |
… | |
330 | rxvt_term::destroy () |
302 | rxvt_term::destroy () |
331 | { |
303 | { |
332 | if (destroy_ev.active) |
304 | if (destroy_ev.active) |
333 | return; |
305 | return; |
334 | |
306 | |
|
|
307 | if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END))) |
|
|
308 | return; |
|
|
309 | |
335 | #if ENABLE_OVERLAY |
310 | #if ENABLE_OVERLAY |
336 | scr_overlay_off (); |
311 | scr_overlay_off (); |
337 | #endif |
312 | #endif |
338 | |
313 | |
339 | if (display) |
314 | if (display) |
… | |
… | |
341 | #if USE_XIM |
316 | #if USE_XIM |
342 | im_ev.stop (display); |
317 | im_ev.stop (display); |
343 | #endif |
318 | #endif |
344 | #if HAVE_SCROLLBARS |
319 | #if HAVE_SCROLLBARS |
345 | scrollbar_ev.stop (display); |
320 | scrollbar_ev.stop (display); |
346 | #endif |
|
|
347 | #if MENUBAR |
|
|
348 | menubar_ev.stop (display); |
|
|
349 | #endif |
321 | #endif |
350 | #if TRANSPARENT |
322 | #if TRANSPARENT |
351 | rootwin_ev.stop (display); |
323 | rootwin_ev.stop (display); |
352 | #endif |
324 | #endif |
353 | incr_ev.stop (); |
325 | incr_ev.stop (); |
… | |
… | |
377 | } |
349 | } |
378 | |
350 | |
379 | void |
351 | void |
380 | rxvt_term::destroy_cb (time_watcher &w) |
352 | rxvt_term::destroy_cb (time_watcher &w) |
381 | { |
353 | { |
382 | SET_R (this); |
354 | make_current (); |
383 | |
355 | |
384 | delete this; |
356 | delete this; |
385 | } |
357 | } |
386 | |
358 | |
387 | /*----------------------------------------------------------------------*/ |
359 | /*----------------------------------------------------------------------*/ |
… | |
… | |
478 | /*----------------------------------------------------------------------*/ |
450 | /*----------------------------------------------------------------------*/ |
479 | bool |
451 | bool |
480 | rxvt_term::init (int argc, const char *const *argv) |
452 | rxvt_term::init (int argc, const char *const *argv) |
481 | { |
453 | { |
482 | SET_R (this); |
454 | SET_R (this); |
483 | TEMP_ENV; // few things in X do not call setlocale :( |
|
|
484 | |
|
|
485 | set_locale (""); |
455 | set_locale (""); |
|
|
456 | set_environ (envv); // few things in X do not call setlocale :( |
486 | |
457 | |
487 | if (!init_vars ()) |
458 | if (!init_vars ()) |
488 | return false; |
459 | return false; |
489 | |
460 | |
490 | init_secondary (); |
461 | init_secondary (); |
… | |
… | |
493 | |
464 | |
494 | #ifdef KEYSYM_RESOURCE |
465 | #ifdef KEYSYM_RESOURCE |
495 | keyboard->register_done (); |
466 | keyboard->register_done (); |
496 | #endif |
467 | #endif |
497 | |
468 | |
498 | #if MENUBAR_MAX |
469 | #if ENABLE_PERL |
499 | menubar_read (rs[Rs_menu]); |
470 | if (!rs[Rs_perl_ext_1]) |
|
|
471 | rs[Rs_perl_ext_1] = "default"; |
|
|
472 | |
|
|
473 | if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) |
|
|
474 | || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) |
|
|
475 | || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
|
|
476 | { |
|
|
477 | rxvt_perl.init (this); |
|
|
478 | HOOK_INVOKE ((this, HOOK_INIT, DT_END)); |
|
|
479 | } |
500 | #endif |
480 | #endif |
|
|
481 | |
501 | #ifdef HAVE_SCROLLBARS |
482 | #ifdef HAVE_SCROLLBARS |
502 | if (OPTION (Opt_scrollBar)) |
483 | if (OPTION (Opt_scrollBar)) |
503 | scrollBar.setIdle (); /* set existence for size calculations */ |
484 | scrollBar.setIdle (); /* set existence for size calculations */ |
504 | #endif |
485 | #endif |
505 | |
486 | |
506 | #if ENABLE_PERL |
487 | pty = rxvt_new_ptytty (); |
507 | if (!rs[Rs_perl_ext_1]) |
|
|
508 | rs[Rs_perl_ext_1] = "default"; |
|
|
509 | |
|
|
510 | if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) |
|
|
511 | || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) |
|
|
512 | || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
|
|
513 | { |
|
|
514 | #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
|
|
515 | // ignore some perl-related arguments if some bozo installed us set[ug]id |
|
|
516 | if (rxvt_tainted ()) |
|
|
517 | { |
|
|
518 | if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib]) |
|
|
519 | || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
|
|
520 | { |
|
|
521 | rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n"); |
|
|
522 | rs[Rs_perl_lib] = 0; |
|
|
523 | rs[Rs_perl_eval] = 0; |
|
|
524 | } |
|
|
525 | } |
|
|
526 | #endif |
|
|
527 | rxvt_perl.init (); |
|
|
528 | HOOK_INVOKE ((this, HOOK_INIT, DT_END)); |
|
|
529 | } |
|
|
530 | #endif |
|
|
531 | |
488 | |
532 | create_windows (argc, argv); |
489 | create_windows (argc, argv); |
533 | |
490 | |
534 | dDisp; |
491 | dDisp; |
535 | |
492 | |
… | |
… | |
543 | |
500 | |
544 | #ifdef HAVE_SCROLLBARS |
501 | #ifdef HAVE_SCROLLBARS |
545 | if (OPTION (Opt_scrollBar)) |
502 | if (OPTION (Opt_scrollBar)) |
546 | resize_scrollbar (); /* create and map scrollbar */ |
503 | resize_scrollbar (); /* create and map scrollbar */ |
547 | #endif |
504 | #endif |
548 | #if (MENUBAR_MAX) |
|
|
549 | if (menubar_visible ()) |
|
|
550 | XMapWindow (disp, menuBar.win); |
|
|
551 | #endif |
|
|
552 | #ifdef TRANSPARENT |
505 | #ifdef TRANSPARENT |
553 | if (OPTION (Opt_transparent)) |
506 | if (OPTION (Opt_transparent)) |
554 | { |
507 | { |
555 | XSelectInput (disp, display->root, PropertyChangeMask); |
508 | XSelectInput (disp, display->root, PropertyChangeMask); |
556 | check_our_parents (); |
509 | check_our_parents (); |
557 | rootwin_ev.start (display, display->root); |
510 | rootwin_ev.start (display, display->root); |
558 | } |
511 | } |
559 | #endif |
512 | #endif |
560 | |
513 | |
|
|
514 | set_colorfgbg (); |
|
|
515 | |
|
|
516 | init_command (cmd_argv); |
|
|
517 | |
|
|
518 | free (cmd_argv); |
|
|
519 | |
|
|
520 | if (pty->pty >= 0) |
|
|
521 | pty_ev.start (pty->pty, EVENT_READ); |
|
|
522 | |
|
|
523 | check_ev.start (); |
|
|
524 | |
|
|
525 | HOOK_INVOKE ((this, HOOK_START, DT_END)); |
|
|
526 | |
561 | XMapWindow (disp, vt); |
527 | XMapWindow (disp, vt); |
562 | XMapWindow (disp, parent[0]); |
528 | XMapWindow (disp, parent[0]); |
563 | |
529 | |
564 | set_colorfgbg (); |
|
|
565 | |
|
|
566 | init_command (cmd_argv); |
|
|
567 | |
|
|
568 | free (cmd_argv); |
|
|
569 | |
|
|
570 | if (pty.pty >= 0) |
|
|
571 | pty_ev.start (pty.pty, EVENT_READ); |
|
|
572 | |
|
|
573 | check_ev.start (); |
|
|
574 | |
|
|
575 | HOOK_INVOKE ((this, HOOK_START, DT_END)); |
|
|
576 | |
|
|
577 | return true; |
530 | return true; |
578 | } |
531 | } |
579 | |
532 | |
580 | static struct sig_handlers |
533 | static struct sig_handlers |
581 | { |
534 | { |
582 | sig_watcher sw_chld, sw_term, sw_int; |
535 | sig_watcher sw_term, sw_int; |
583 | |
536 | |
584 | void sig_chld (sig_watcher &w) |
|
|
585 | { |
|
|
586 | // we are being called for every SIGCHLD, find the corresponding term |
|
|
587 | int pid; |
|
|
588 | |
|
|
589 | while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
|
|
590 | for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
|
|
591 | if (pid == (*t)->cmd_pid) |
|
|
592 | { |
|
|
593 | (*t)->child_exit (); |
|
|
594 | break; |
|
|
595 | } |
|
|
596 | } |
|
|
597 | |
|
|
598 | /* |
537 | /* |
599 | * Catch a fatal signal and tidy up before quitting |
538 | * Catch a fatal signal and tidy up before quitting |
600 | */ |
539 | */ |
601 | void |
540 | void |
602 | sig_term (sig_watcher &w) |
541 | sig_term (sig_watcher &w) |
… | |
… | |
608 | signal (w.signum, SIG_DFL); |
547 | signal (w.signum, SIG_DFL); |
609 | kill (getpid (), w.signum); |
548 | kill (getpid (), w.signum); |
610 | } |
549 | } |
611 | |
550 | |
612 | sig_handlers () |
551 | sig_handlers () |
613 | : sw_chld (this, &sig_handlers::sig_chld), |
|
|
614 | sw_term (this, &sig_handlers::sig_term), |
552 | : sw_term (this, &sig_handlers::sig_term), |
615 | sw_int (this, &sig_handlers::sig_term) |
553 | sw_int (this, &sig_handlers::sig_term) |
616 | { |
554 | { |
617 | } |
555 | } |
618 | } sig_handlers; |
556 | } sig_handlers; |
619 | |
557 | |
|
|
558 | char **rxvt_environ; // startup environment |
|
|
559 | |
620 | void |
560 | void |
621 | rxvt_init () |
561 | rxvt_init () |
622 | { |
562 | { |
623 | /* |
563 | uid_t uid = getuid (); |
624 | * Save and then give up any super-user privileges |
564 | gid_t gid = getgid (); |
625 | * If we need privileges in any area then we must specifically request it. |
565 | |
626 | * We should only need to be root in these cases: |
566 | // before doing anything else, check for setuid/setgid operation, |
627 | * 1. write utmp entries on some systems |
567 | // start the helper process and drop privileges |
628 | * 2. chown tty on some systems |
568 | if (uid != geteuid () |
629 | */ |
569 | || gid != getegid ()) |
630 | rxvt_privileges (SAVE); |
570 | { |
631 | rxvt_privileges (IGNORE); |
571 | #if PTYTTY_HELPER |
|
|
572 | rxvt_ptytty_server (); |
|
|
573 | #else |
|
|
574 | rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n"); |
|
|
575 | #endif |
|
|
576 | |
|
|
577 | // drop privileges |
|
|
578 | #if HAVE_SETRESUID |
|
|
579 | setresgid (gid, gid, gid); |
|
|
580 | setresuid (uid, uid, uid); |
|
|
581 | #elif HAVE_SETREUID |
|
|
582 | setregid (gid, gid); |
|
|
583 | setreuid (uid, uid); |
|
|
584 | #elif HAVE_SETUID |
|
|
585 | setgid (gid); |
|
|
586 | setuid (uid); |
|
|
587 | #endif |
|
|
588 | |
|
|
589 | if (uid != geteuid () |
|
|
590 | || gid != getegid ()) |
|
|
591 | rxvt_fatal ("unable to drop privileges, aborting.\n"); |
|
|
592 | } |
|
|
593 | |
|
|
594 | rxvt_environ = environ; |
632 | |
595 | |
633 | signal (SIGHUP, SIG_IGN); |
596 | signal (SIGHUP, SIG_IGN); |
634 | signal (SIGPIPE, SIG_IGN); |
597 | signal (SIGPIPE, SIG_IGN); |
635 | |
598 | |
636 | sig_handlers.sw_chld.start (SIGCHLD); |
|
|
637 | sig_handlers.sw_term.start (SIGTERM); |
599 | sig_handlers.sw_term.start (SIGTERM); |
638 | sig_handlers.sw_int.start (SIGINT); |
600 | sig_handlers.sw_int.start (SIGINT); |
639 | |
601 | |
640 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
602 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
641 | /* signal (SIGURG, SIG_DFL); */ |
603 | /* signal (SIGURG, SIG_DFL); */ |
… | |
… | |
670 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
632 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
671 | |
633 | |
672 | return p; |
634 | return p; |
673 | } |
635 | } |
674 | |
636 | |
675 | void * |
637 | void * |
676 | rxvt_realloc (void *ptr, size_t size) |
638 | rxvt_realloc (void *ptr, size_t size) |
677 | { |
639 | { |
678 | void *p = realloc (ptr, size); |
640 | void *p = realloc (ptr, size); |
679 | |
641 | |
680 | if (!p) |
642 | if (!p) |
681 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
643 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
682 | |
644 | |
683 | return p; |
645 | return p; |
684 | } |
646 | } |
685 | |
|
|
686 | /* ------------------------------------------------------------------------- * |
|
|
687 | * PRIVILEGED OPERATIONS * |
|
|
688 | * ------------------------------------------------------------------------- */ |
|
|
689 | /* take care of suid/sgid super-user (root) privileges */ |
|
|
690 | void |
|
|
691 | rxvt_privileges (rxvt_privaction action) |
|
|
692 | { |
|
|
693 | #if ! defined(__CYGWIN32__) |
|
|
694 | # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
|
|
695 | /* setreuid () is the poor man's setuid (), seteuid () */ |
|
|
696 | # define seteuid(a) setreuid(-1, (a)) |
|
|
697 | # define setegid(a) setregid(-1, (a)) |
|
|
698 | # define HAVE_SETEUID |
|
|
699 | # endif |
|
|
700 | # ifdef HAVE_SETEUID |
|
|
701 | switch (action) |
|
|
702 | { |
|
|
703 | case IGNORE: |
|
|
704 | /* |
|
|
705 | * change effective uid/gid - not real uid/gid - so we can switch |
|
|
706 | * back to root later, as required |
|
|
707 | */ |
|
|
708 | setegid (getgid ()); |
|
|
709 | seteuid (getuid ()); |
|
|
710 | break; |
|
|
711 | case SAVE: |
|
|
712 | saved_egid = getegid (); |
|
|
713 | saved_euid = geteuid (); |
|
|
714 | break; |
|
|
715 | case RESTORE: |
|
|
716 | setegid (saved_egid); |
|
|
717 | seteuid (saved_euid); |
|
|
718 | break; |
|
|
719 | } |
|
|
720 | # else |
|
|
721 | switch (action) |
|
|
722 | { |
|
|
723 | case IGNORE: |
|
|
724 | setgid (getgid ()); |
|
|
725 | setuid (getuid ()); |
|
|
726 | /* FALLTHROUGH */ |
|
|
727 | case SAVE: |
|
|
728 | /* FALLTHROUGH */ |
|
|
729 | case RESTORE: |
|
|
730 | break; |
|
|
731 | } |
|
|
732 | # endif |
|
|
733 | #endif |
|
|
734 | } |
|
|
735 | |
|
|
736 | #ifdef UTMP_SUPPORT |
|
|
737 | void |
|
|
738 | rxvt_term::privileged_utmp (rxvt_privaction action) |
|
|
739 | { |
|
|
740 | if (OPTION (Opt_utmpInhibit) |
|
|
741 | || !pty.name || !*pty.name) |
|
|
742 | return; |
|
|
743 | |
|
|
744 | rxvt_privileges (RESTORE); |
|
|
745 | |
|
|
746 | if (action == SAVE) |
|
|
747 | makeutent (pty.name, rs[Rs_display_name]); |
|
|
748 | else |
|
|
749 | cleanutent (); |
|
|
750 | |
|
|
751 | rxvt_privileges (IGNORE); |
|
|
752 | } |
|
|
753 | #endif |
|
|
754 | |
647 | |
755 | /*----------------------------------------------------------------------*/ |
648 | /*----------------------------------------------------------------------*/ |
756 | /* |
649 | /* |
757 | * window size/position calculcations for XSizeHint and other storage. |
650 | * window size/position calculcations for XSizeHint and other storage. |
758 | * if width/height are non-zero then override calculated width/height |
651 | * if width/height are non-zero then override calculated width/height |
759 | */ |
652 | */ |
760 | void |
653 | void |
761 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
654 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
762 | { |
655 | { |
763 | short recalc_x, recalc_y; |
656 | short recalc_x, recalc_y; |
764 | int x, y, sb_w, mb_h, flags; |
657 | int x, y, sb_w, flags; |
765 | unsigned int w, h; |
658 | unsigned int w, h; |
766 | unsigned int max_width, max_height; |
659 | unsigned int max_width, max_height; |
767 | dDisp; |
660 | dDisp; |
768 | |
661 | |
769 | D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
662 | D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
… | |
… | |
830 | max_width = MAX_COLS * fwidth; |
723 | max_width = MAX_COLS * fwidth; |
831 | max_height = MAX_ROWS * fheight; |
724 | max_height = MAX_ROWS * fheight; |
832 | |
725 | |
833 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
726 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
834 | |
727 | |
835 | sb_w = mb_h = 0; |
728 | sb_w = 0; |
836 | window_vt_x = window_vt_y = int_bwidth; |
729 | window_vt_x = window_vt_y = int_bwidth; |
837 | |
730 | |
838 | if (scrollbar_visible ()) |
731 | if (scrollBar.state) |
839 | { |
732 | { |
840 | sb_w = scrollbar_TotalWidth (); |
733 | sb_w = scrollbar_TotalWidth (); |
841 | szHint.base_width += sb_w; |
734 | szHint.base_width += sb_w; |
842 | if (!OPTION (Opt_scrollBar_right)) |
735 | if (!OPTION (Opt_scrollBar_right)) |
843 | window_vt_x += sb_w; |
736 | window_vt_x += sb_w; |
844 | } |
737 | } |
845 | |
738 | |
846 | if (menubar_visible ()) |
|
|
847 | { |
|
|
848 | mb_h = menuBar_TotalHeight (); |
|
|
849 | szHint.base_height += mb_h; |
|
|
850 | window_vt_y += mb_h; |
|
|
851 | } |
|
|
852 | |
|
|
853 | szHint.width_inc = fwidth; |
739 | szHint.width_inc = fwidth; |
854 | szHint.height_inc = fheight; |
740 | szHint.height_inc = fheight; |
855 | szHint.min_width = szHint.base_width + szHint.width_inc; |
741 | szHint.min_width = szHint.base_width + szHint.width_inc; |
856 | szHint.min_height = szHint.base_height + szHint.height_inc; |
742 | szHint.min_height = szHint.base_height + szHint.height_inc; |
857 | |
743 | |
… | |
… | |
875 | { |
761 | { |
876 | min_it (height, max_height); |
762 | min_it (height, max_height); |
877 | szHint.height = szHint.base_height + height; |
763 | szHint.height = szHint.base_height + height; |
878 | } |
764 | } |
879 | |
765 | |
880 | if (scrollbar_visible () && OPTION (Opt_scrollBar_right)) |
766 | if (scrollBar.state && OPTION (Opt_scrollBar_right)) |
881 | window_sb_x = szHint.width - sb_w; |
767 | window_sb_x = szHint.width - sb_w; |
882 | |
768 | |
883 | if (recalc_x) |
769 | if (recalc_x) |
884 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
770 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
885 | if (recalc_y) |
771 | if (recalc_y) |
… | |
… | |
899 | * Called after a window size change. |
785 | * Called after a window size change. |
900 | */ |
786 | */ |
901 | void |
787 | void |
902 | rxvt_term::tt_winch () |
788 | rxvt_term::tt_winch () |
903 | { |
789 | { |
904 | if (pty.pty < 0) |
790 | if (pty->pty < 0) |
905 | return; |
791 | return; |
906 | |
792 | |
907 | struct winsize ws; |
793 | struct winsize ws; |
908 | |
794 | |
909 | ws.ws_col = ncol; |
795 | ws.ws_col = ncol; |
910 | ws.ws_row = nrow; |
796 | ws.ws_row = nrow; |
911 | ws.ws_xpixel = width; |
797 | ws.ws_xpixel = width; |
912 | ws.ws_ypixel = height; |
798 | ws.ws_ypixel = height; |
913 | (void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
799 | (void)ioctl (pty->pty, TIOCSWINSZ, &ws); |
914 | |
800 | |
915 | #if 0 |
801 | #if 0 |
916 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
802 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
917 | if (cmd_pid) /* force through to the command */ |
803 | if (cmd_pid) /* force through to the command */ |
918 | kill (-cmd_pid, SIGWINCH); |
804 | kill (-cmd_pid, SIGWINCH); |
… | |
… | |
1240 | |
1126 | |
1241 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1127 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1242 | |
1128 | |
1243 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1129 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1244 | { |
1130 | { |
1245 | if (scrollbar_visible ()) |
1131 | if (scrollBar.state) |
1246 | { |
1132 | { |
1247 | XMoveResizeWindow (disp, scrollBar.win, |
1133 | XMoveResizeWindow (disp, scrollBar.win, |
1248 | window_sb_x, 0, |
1134 | window_sb_x, 0, |
1249 | scrollbar_TotalWidth (), szHint.height); |
1135 | scrollbar_TotalWidth (), szHint.height); |
1250 | resize_scrollbar (); |
1136 | resize_scrollbar (); |
1251 | } |
1137 | } |
1252 | |
|
|
1253 | if (menubar_visible ()) |
|
|
1254 | XMoveResizeWindow (disp, menuBar.win, |
|
|
1255 | window_vt_x, 0, |
|
|
1256 | width, menuBar_TotalHeight ()); |
|
|
1257 | |
1138 | |
1258 | XMoveResizeWindow (disp, vt, |
1139 | XMoveResizeWindow (disp, vt, |
1259 | window_vt_x, window_vt_y, |
1140 | window_vt_x, window_vt_y, |
1260 | width, height); |
1141 | width, height); |
1261 | |
1142 | |
… | |
… | |
1446 | unsigned long fg, bg; |
1327 | unsigned long fg, bg; |
1447 | const char *p; |
1328 | const char *p; |
1448 | char **s; |
1329 | char **s; |
1449 | XIMStyles *xim_styles; |
1330 | XIMStyles *xim_styles; |
1450 | |
1331 | |
1451 | TEMP_ENV; |
1332 | set_environ (envv); |
1452 | |
1333 | |
1453 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1334 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1454 | return false; |
1335 | return false; |
1455 | |
1336 | |
1456 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1337 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
… | |
… | |
1622 | int i; |
1503 | int i; |
1623 | const char *p; |
1504 | const char *p; |
1624 | char **s; |
1505 | char **s; |
1625 | char buf[IMBUFSIZ]; |
1506 | char buf[IMBUFSIZ]; |
1626 | |
1507 | |
1627 | SET_R (this); |
1508 | make_current (); |
1628 | |
1509 | |
1629 | im_destroy (); |
1510 | im_destroy (); |
1630 | |
1511 | |
1631 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1512 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1632 | if (Input_Context) |
1513 | if (Input_Context) |
… | |
… | |
1709 | XFree (preedit_attr); |
1590 | XFree (preedit_attr); |
1710 | XFree (status_attr); |
1591 | XFree (status_attr); |
1711 | } |
1592 | } |
1712 | #endif /* USE_XIM */ |
1593 | #endif /* USE_XIM */ |
1713 | |
1594 | |
1714 | /*----------------------------------------------------------------------*/ |
|
|
1715 | rxvt_t rxvt_current_term; |
|
|
1716 | |
|
|
1717 | /*----------------------- end-of-file (C source) -----------------------*/ |
1595 | /*----------------------- end-of-file (C source) -----------------------*/ |