… | |
… | |
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 | } |
287 | |
256 | |
288 | // TODO: free pixcolours, colours should become part of rxvt_display |
257 | // TODO: free pixcolours, colours should become part of rxvt_display |
289 | |
|
|
290 | delete pix_colors_focused; |
258 | delete pix_colors_focused; |
291 | #if OFF_FOCUS_FADING |
259 | #if OFF_FOCUS_FADING |
292 | delete pix_colors_unfocused; |
260 | delete pix_colors_unfocused; |
293 | #endif |
|
|
294 | #if USE_XGETDEFAULT |
|
|
295 | XrmDestroyDatabase (xrmdatabase); |
|
|
296 | #endif |
261 | #endif |
297 | |
262 | |
298 | displays.put (display); |
263 | displays.put (display); |
299 | |
264 | |
300 | scr_release (); |
265 | scr_release (); |
… | |
… | |
319 | #ifdef KEYSYM_RESOURCE |
284 | #ifdef KEYSYM_RESOURCE |
320 | delete keyboard; |
285 | delete keyboard; |
321 | #endif |
286 | #endif |
322 | } |
287 | } |
323 | |
288 | |
|
|
289 | // child has exited, usually destroys |
324 | void |
290 | void |
325 | rxvt_term::child_exit () |
291 | rxvt_term::child_cb (child_watcher &w, int status) |
326 | { |
292 | { |
|
|
293 | HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); |
|
|
294 | |
327 | cmd_pid = 0; |
295 | cmd_pid = 0; |
328 | |
296 | |
329 | if (!OPTION (Opt_hold)) |
297 | if (!OPTION (Opt_hold)) |
330 | destroy (); |
298 | destroy (); |
331 | } |
299 | } |
… | |
… | |
334 | rxvt_term::destroy () |
302 | rxvt_term::destroy () |
335 | { |
303 | { |
336 | if (destroy_ev.active) |
304 | if (destroy_ev.active) |
337 | return; |
305 | return; |
338 | |
306 | |
|
|
307 | if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END))) |
|
|
308 | return; |
|
|
309 | |
339 | #if ENABLE_OVERLAY |
310 | #if ENABLE_OVERLAY |
340 | scr_overlay_off (); |
311 | scr_overlay_off (); |
341 | #endif |
312 | #endif |
342 | |
313 | |
343 | if (display) |
314 | if (display) |
… | |
… | |
345 | #if USE_XIM |
316 | #if USE_XIM |
346 | im_ev.stop (display); |
317 | im_ev.stop (display); |
347 | #endif |
318 | #endif |
348 | #if HAVE_SCROLLBARS |
319 | #if HAVE_SCROLLBARS |
349 | scrollbar_ev.stop (display); |
320 | scrollbar_ev.stop (display); |
350 | #endif |
|
|
351 | #if MENUBAR |
|
|
352 | menubar_ev.stop (display); |
|
|
353 | #endif |
321 | #endif |
354 | #if TRANSPARENT |
322 | #if TRANSPARENT |
355 | rootwin_ev.stop (display); |
323 | rootwin_ev.stop (display); |
356 | #endif |
324 | #endif |
357 | incr_ev.stop (); |
325 | incr_ev.stop (); |
… | |
… | |
381 | } |
349 | } |
382 | |
350 | |
383 | void |
351 | void |
384 | rxvt_term::destroy_cb (time_watcher &w) |
352 | rxvt_term::destroy_cb (time_watcher &w) |
385 | { |
353 | { |
386 | SET_R (this); |
354 | make_current (); |
387 | |
355 | |
388 | delete this; |
356 | delete this; |
389 | } |
357 | } |
390 | |
358 | |
391 | /*----------------------------------------------------------------------*/ |
359 | /*----------------------------------------------------------------------*/ |
… | |
… | |
482 | /*----------------------------------------------------------------------*/ |
450 | /*----------------------------------------------------------------------*/ |
483 | bool |
451 | bool |
484 | rxvt_term::init (int argc, const char *const *argv) |
452 | rxvt_term::init (int argc, const char *const *argv) |
485 | { |
453 | { |
486 | SET_R (this); |
454 | SET_R (this); |
487 | |
|
|
488 | set_locale (""); |
455 | set_locale (""); |
|
|
456 | set_environ (envv); // few things in X do not call setlocale :( |
489 | |
457 | |
490 | if (!init_vars ()) |
458 | if (!init_vars ()) |
491 | return false; |
459 | return false; |
492 | |
460 | |
493 | init_secondary (); |
461 | init_secondary (); |
… | |
… | |
496 | |
464 | |
497 | #ifdef KEYSYM_RESOURCE |
465 | #ifdef KEYSYM_RESOURCE |
498 | keyboard->register_done (); |
466 | keyboard->register_done (); |
499 | #endif |
467 | #endif |
500 | |
468 | |
501 | #if MENUBAR_MAX |
469 | #if ENABLE_PERL |
502 | 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 | } |
503 | #endif |
480 | #endif |
|
|
481 | |
504 | #ifdef HAVE_SCROLLBARS |
482 | #ifdef HAVE_SCROLLBARS |
505 | if (OPTION (Opt_scrollBar)) |
483 | if (OPTION (Opt_scrollBar)) |
506 | scrollBar.setIdle (); /* set existence for size calculations */ |
484 | scrollBar.setIdle (); /* set existence for size calculations */ |
507 | #endif |
485 | #endif |
508 | |
486 | |
509 | #if ENABLE_PERL |
487 | pty = rxvt_new_ptytty (); |
510 | if (!rs[Rs_perl_ext_1]) |
|
|
511 | rs[Rs_perl_ext_1] = "default"; |
|
|
512 | |
|
|
513 | if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1]) |
|
|
514 | || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2]) |
|
|
515 | || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
|
|
516 | { |
|
|
517 | #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
|
|
518 | // ignore some perl-related arguments if some bozo installed us set[ug]id |
|
|
519 | if (rxvt_tainted ()) |
|
|
520 | { |
|
|
521 | if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib]) |
|
|
522 | || (rs[Rs_perl_eval] && *rs[Rs_perl_eval])) |
|
|
523 | { |
|
|
524 | rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n"); |
|
|
525 | rs[Rs_perl_lib] = 0; |
|
|
526 | rs[Rs_perl_eval] = 0; |
|
|
527 | } |
|
|
528 | } |
|
|
529 | #endif |
|
|
530 | rxvt_perl.init (); |
|
|
531 | HOOK_INVOKE ((this, HOOK_INIT, DT_END)); |
|
|
532 | } |
|
|
533 | #endif |
|
|
534 | |
488 | |
535 | create_windows (argc, argv); |
489 | create_windows (argc, argv); |
536 | |
490 | |
537 | dDisp; |
491 | dDisp; |
538 | |
492 | |
539 | init_xlocale (); |
493 | init_xlocale (); |
540 | |
494 | |
541 | scr_reset (); /* initialize screen */ |
495 | scr_reset (); // initialize screen |
542 | |
496 | |
543 | #if 0 |
497 | #if 0 |
544 | XSynchronize (disp, True); |
498 | XSynchronize (disp, True); |
545 | #endif |
499 | #endif |
546 | |
500 | |
547 | #ifdef HAVE_SCROLLBARS |
501 | #ifdef HAVE_SCROLLBARS |
548 | if (OPTION (Opt_scrollBar)) |
502 | if (OPTION (Opt_scrollBar)) |
549 | resize_scrollbar (); /* create and map scrollbar */ |
503 | resize_scrollbar (); /* create and map scrollbar */ |
550 | #endif |
504 | #endif |
551 | #if (MENUBAR_MAX) |
|
|
552 | if (menubar_visible ()) |
|
|
553 | XMapWindow (disp, menuBar.win); |
|
|
554 | #endif |
|
|
555 | #ifdef TRANSPARENT |
505 | #ifdef TRANSPARENT |
556 | if (OPTION (Opt_transparent)) |
506 | if (OPTION (Opt_transparent)) |
557 | { |
507 | { |
558 | XSelectInput (disp, display->root, PropertyChangeMask); |
508 | XSelectInput (disp, display->root, PropertyChangeMask); |
559 | check_our_parents (); |
509 | check_our_parents (); |
560 | rootwin_ev.start (display, display->root); |
510 | rootwin_ev.start (display, display->root); |
561 | } |
511 | } |
562 | #endif |
512 | #endif |
563 | |
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 | |
564 | XMapWindow (disp, vt); |
527 | XMapWindow (disp, vt); |
565 | XMapWindow (disp, parent[0]); |
528 | XMapWindow (disp, parent[0]); |
566 | |
529 | |
567 | set_colorfgbg (); |
|
|
568 | |
|
|
569 | init_command (cmd_argv); |
|
|
570 | |
|
|
571 | free (cmd_argv); |
|
|
572 | |
|
|
573 | if (pty.pty >= 0) |
|
|
574 | pty_ev.start (pty.pty, EVENT_READ); |
|
|
575 | |
|
|
576 | check_ev.start (); |
|
|
577 | |
|
|
578 | HOOK_INVOKE ((this, HOOK_START, DT_END)); |
|
|
579 | |
|
|
580 | return true; |
530 | return true; |
581 | } |
531 | } |
582 | |
532 | |
583 | static struct sig_handlers |
533 | static struct sig_handlers |
584 | { |
534 | { |
585 | sig_watcher sw_chld, sw_term, sw_int; |
535 | sig_watcher sw_term, sw_int; |
586 | |
536 | |
587 | void sig_chld (sig_watcher &w) |
|
|
588 | { |
|
|
589 | // we are being called for every SIGCHLD, find the corresponding term |
|
|
590 | int pid; |
|
|
591 | |
|
|
592 | while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
|
|
593 | for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
|
|
594 | if (pid == (*t)->cmd_pid) |
|
|
595 | { |
|
|
596 | (*t)->child_exit (); |
|
|
597 | break; |
|
|
598 | } |
|
|
599 | } |
|
|
600 | |
|
|
601 | /* |
537 | /* |
602 | * Catch a fatal signal and tidy up before quitting |
538 | * Catch a fatal signal and tidy up before quitting |
603 | */ |
539 | */ |
604 | void |
540 | void |
605 | sig_term (sig_watcher &w) |
541 | sig_term (sig_watcher &w) |
… | |
… | |
611 | signal (w.signum, SIG_DFL); |
547 | signal (w.signum, SIG_DFL); |
612 | kill (getpid (), w.signum); |
548 | kill (getpid (), w.signum); |
613 | } |
549 | } |
614 | |
550 | |
615 | sig_handlers () |
551 | sig_handlers () |
616 | : sw_chld (this, &sig_handlers::sig_chld), |
|
|
617 | sw_term (this, &sig_handlers::sig_term), |
552 | : sw_term (this, &sig_handlers::sig_term), |
618 | sw_int (this, &sig_handlers::sig_term) |
553 | sw_int (this, &sig_handlers::sig_term) |
619 | { |
554 | { |
620 | } |
555 | } |
621 | } sig_handlers; |
556 | } sig_handlers; |
622 | |
557 | |
|
|
558 | char **rxvt_environ; // startup environment |
|
|
559 | |
623 | void |
560 | void |
624 | rxvt_init () |
561 | rxvt_init () |
625 | { |
562 | { |
626 | /* |
563 | uid_t uid = getuid (); |
627 | * Save and then give up any super-user privileges |
564 | gid_t gid = getgid (); |
628 | * If we need privileges in any area then we must specifically request it. |
565 | |
629 | * We should only need to be root in these cases: |
566 | // before doing anything else, check for setuid/setgid operation, |
630 | * 1. write utmp entries on some systems |
567 | // start the helper process and drop privileges |
631 | * 2. chown tty on some systems |
568 | if (uid != geteuid () |
632 | */ |
569 | || gid != getegid ()) |
633 | rxvt_privileges (SAVE); |
570 | { |
634 | 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; |
635 | |
595 | |
636 | signal (SIGHUP, SIG_IGN); |
596 | signal (SIGHUP, SIG_IGN); |
637 | signal (SIGPIPE, SIG_IGN); |
597 | signal (SIGPIPE, SIG_IGN); |
638 | |
598 | |
639 | sig_handlers.sw_chld.start (SIGCHLD); |
|
|
640 | sig_handlers.sw_term.start (SIGTERM); |
599 | sig_handlers.sw_term.start (SIGTERM); |
641 | sig_handlers.sw_int.start (SIGINT); |
600 | sig_handlers.sw_int.start (SIGINT); |
642 | |
601 | |
643 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
602 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
644 | /* signal (SIGURG, SIG_DFL); */ |
603 | /* signal (SIGURG, SIG_DFL); */ |
645 | |
604 | |
646 | old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
605 | old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
647 | // TODO: handle this with exceptions and tolerate the memory loss |
606 | // TODO: handle this with exceptions and tolerate the memory loss |
648 | XSetIOErrorHandler (rxvt_xioerror_handler); |
607 | XSetIOErrorHandler (rxvt_xioerror_handler); |
649 | |
608 | |
650 | #ifdef USE_XGETDEFAULT |
|
|
651 | XrmInitialize (); |
609 | XrmInitialize (); |
652 | #endif |
|
|
653 | } |
610 | } |
654 | |
611 | |
655 | /* ------------------------------------------------------------------------- * |
612 | /* ------------------------------------------------------------------------- * |
656 | * MEMORY ALLOCATION WRAPPERS * |
613 | * MEMORY ALLOCATION WRAPPERS * |
657 | * ------------------------------------------------------------------------- */ |
614 | * ------------------------------------------------------------------------- */ |
… | |
… | |
675 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
632 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
676 | |
633 | |
677 | return p; |
634 | return p; |
678 | } |
635 | } |
679 | |
636 | |
680 | void * |
637 | void * |
681 | rxvt_realloc (void *ptr, size_t size) |
638 | rxvt_realloc (void *ptr, size_t size) |
682 | { |
639 | { |
683 | void *p = realloc (ptr, size); |
640 | void *p = realloc (ptr, size); |
684 | |
641 | |
685 | if (!p) |
642 | if (!p) |
686 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
643 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
687 | |
644 | |
688 | return p; |
645 | return p; |
689 | } |
646 | } |
690 | |
|
|
691 | /* ------------------------------------------------------------------------- * |
|
|
692 | * PRIVILEGED OPERATIONS * |
|
|
693 | * ------------------------------------------------------------------------- */ |
|
|
694 | /* take care of suid/sgid super-user (root) privileges */ |
|
|
695 | void |
|
|
696 | rxvt_privileges (rxvt_privaction action) |
|
|
697 | { |
|
|
698 | #if ! defined(__CYGWIN32__) |
|
|
699 | # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
|
|
700 | /* setreuid () is the poor man's setuid (), seteuid () */ |
|
|
701 | # define seteuid(a) setreuid(-1, (a)) |
|
|
702 | # define setegid(a) setregid(-1, (a)) |
|
|
703 | # define HAVE_SETEUID |
|
|
704 | # endif |
|
|
705 | # ifdef HAVE_SETEUID |
|
|
706 | switch (action) |
|
|
707 | { |
|
|
708 | case IGNORE: |
|
|
709 | /* |
|
|
710 | * change effective uid/gid - not real uid/gid - so we can switch |
|
|
711 | * back to root later, as required |
|
|
712 | */ |
|
|
713 | seteuid (getuid ()); |
|
|
714 | setegid (getgid ()); |
|
|
715 | break; |
|
|
716 | case SAVE: |
|
|
717 | saved_euid = geteuid (); |
|
|
718 | saved_egid = getegid (); |
|
|
719 | break; |
|
|
720 | case RESTORE: |
|
|
721 | seteuid (saved_euid); |
|
|
722 | setegid (saved_egid); |
|
|
723 | break; |
|
|
724 | } |
|
|
725 | # else |
|
|
726 | switch (action) |
|
|
727 | { |
|
|
728 | case IGNORE: |
|
|
729 | setuid (getuid ()); |
|
|
730 | setgid (getgid ()); |
|
|
731 | /* FALLTHROUGH */ |
|
|
732 | case SAVE: |
|
|
733 | /* FALLTHROUGH */ |
|
|
734 | case RESTORE: |
|
|
735 | break; |
|
|
736 | } |
|
|
737 | # endif |
|
|
738 | #endif |
|
|
739 | } |
|
|
740 | |
|
|
741 | #ifdef UTMP_SUPPORT |
|
|
742 | void |
|
|
743 | rxvt_term::privileged_utmp (rxvt_privaction action) |
|
|
744 | { |
|
|
745 | if (OPTION (Opt_utmpInhibit) |
|
|
746 | || !pty.name || !*pty.name) |
|
|
747 | return; |
|
|
748 | |
|
|
749 | rxvt_privileges (RESTORE); |
|
|
750 | |
|
|
751 | if (action == SAVE) |
|
|
752 | makeutent (pty.name, rs[Rs_display_name]); |
|
|
753 | else |
|
|
754 | cleanutent (); |
|
|
755 | |
|
|
756 | rxvt_privileges (IGNORE); |
|
|
757 | } |
|
|
758 | #endif |
|
|
759 | |
647 | |
760 | /*----------------------------------------------------------------------*/ |
648 | /*----------------------------------------------------------------------*/ |
761 | /* |
649 | /* |
762 | * window size/position calculcations for XSizeHint and other storage. |
650 | * window size/position calculcations for XSizeHint and other storage. |
763 | * if width/height are non-zero then override calculated width/height |
651 | * if width/height are non-zero then override calculated width/height |
764 | */ |
652 | */ |
765 | void |
653 | void |
766 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
654 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
767 | { |
655 | { |
768 | short recalc_x, recalc_y; |
656 | short recalc_x, recalc_y; |
769 | int x, y, sb_w, mb_h, flags; |
657 | int x, y, sb_w, flags; |
770 | unsigned int w, h; |
658 | unsigned int w, h; |
771 | unsigned int max_width, max_height; |
659 | unsigned int max_width, max_height; |
772 | dDisp; |
660 | dDisp; |
773 | |
661 | |
774 | 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", |
… | |
… | |
835 | max_width = MAX_COLS * fwidth; |
723 | max_width = MAX_COLS * fwidth; |
836 | max_height = MAX_ROWS * fheight; |
724 | max_height = MAX_ROWS * fheight; |
837 | |
725 | |
838 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
726 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
839 | |
727 | |
840 | sb_w = mb_h = 0; |
728 | sb_w = 0; |
841 | window_vt_x = window_vt_y = int_bwidth; |
729 | window_vt_x = window_vt_y = int_bwidth; |
842 | |
730 | |
843 | if (scrollbar_visible ()) |
731 | if (scrollBar.state) |
844 | { |
732 | { |
845 | sb_w = scrollbar_TotalWidth (); |
733 | sb_w = scrollbar_TotalWidth (); |
846 | szHint.base_width += sb_w; |
734 | szHint.base_width += sb_w; |
847 | if (!OPTION (Opt_scrollBar_right)) |
735 | if (!OPTION (Opt_scrollBar_right)) |
848 | window_vt_x += sb_w; |
736 | window_vt_x += sb_w; |
849 | } |
737 | } |
850 | |
738 | |
851 | if (menubar_visible ()) |
|
|
852 | { |
|
|
853 | mb_h = menuBar_TotalHeight (); |
|
|
854 | szHint.base_height += mb_h; |
|
|
855 | window_vt_y += mb_h; |
|
|
856 | } |
|
|
857 | |
|
|
858 | szHint.width_inc = fwidth; |
739 | szHint.width_inc = fwidth; |
859 | szHint.height_inc = fheight; |
740 | szHint.height_inc = fheight; |
860 | szHint.min_width = szHint.base_width + szHint.width_inc; |
741 | szHint.min_width = szHint.base_width + szHint.width_inc; |
861 | szHint.min_height = szHint.base_height + szHint.height_inc; |
742 | szHint.min_height = szHint.base_height + szHint.height_inc; |
862 | |
743 | |
… | |
… | |
880 | { |
761 | { |
881 | min_it (height, max_height); |
762 | min_it (height, max_height); |
882 | szHint.height = szHint.base_height + height; |
763 | szHint.height = szHint.base_height + height; |
883 | } |
764 | } |
884 | |
765 | |
885 | if (scrollbar_visible () && OPTION (Opt_scrollBar_right)) |
766 | if (scrollBar.state && OPTION (Opt_scrollBar_right)) |
886 | window_sb_x = szHint.width - sb_w; |
767 | window_sb_x = szHint.width - sb_w; |
887 | |
768 | |
888 | if (recalc_x) |
769 | if (recalc_x) |
889 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
770 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
890 | if (recalc_y) |
771 | if (recalc_y) |
… | |
… | |
904 | * Called after a window size change. |
785 | * Called after a window size change. |
905 | */ |
786 | */ |
906 | void |
787 | void |
907 | rxvt_term::tt_winch () |
788 | rxvt_term::tt_winch () |
908 | { |
789 | { |
909 | if (pty.pty < 0) |
790 | if (pty->pty < 0) |
910 | return; |
791 | return; |
911 | |
792 | |
912 | struct winsize ws; |
793 | struct winsize ws; |
913 | |
794 | |
914 | ws.ws_col = ncol; |
795 | ws.ws_col = ncol; |
915 | ws.ws_row = nrow; |
796 | ws.ws_row = nrow; |
916 | ws.ws_xpixel = width; |
797 | ws.ws_xpixel = width; |
917 | ws.ws_ypixel = height; |
798 | ws.ws_ypixel = height; |
918 | (void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
799 | (void)ioctl (pty->pty, TIOCSWINSZ, &ws); |
919 | |
800 | |
920 | #if 0 |
801 | #if 0 |
921 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
802 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
922 | if (cmd_pid) /* force through to the command */ |
803 | if (cmd_pid) /* force through to the command */ |
923 | kill (-cmd_pid, SIGWINCH); |
804 | kill (-cmd_pid, SIGWINCH); |
… | |
… | |
1245 | |
1126 | |
1246 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1127 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1247 | |
1128 | |
1248 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1129 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1249 | { |
1130 | { |
1250 | if (scrollbar_visible ()) |
1131 | if (scrollBar.state) |
1251 | { |
1132 | { |
1252 | XMoveResizeWindow (disp, scrollBar.win, |
1133 | XMoveResizeWindow (disp, scrollBar.win, |
1253 | window_sb_x, 0, |
1134 | window_sb_x, 0, |
1254 | scrollbar_TotalWidth (), szHint.height); |
1135 | scrollbar_TotalWidth (), szHint.height); |
1255 | resize_scrollbar (); |
1136 | resize_scrollbar (); |
1256 | } |
1137 | } |
1257 | |
|
|
1258 | if (menubar_visible ()) |
|
|
1259 | XMoveResizeWindow (disp, menuBar.win, |
|
|
1260 | window_vt_x, 0, |
|
|
1261 | width, menuBar_TotalHeight ()); |
|
|
1262 | |
1138 | |
1263 | XMoveResizeWindow (disp, vt, |
1139 | XMoveResizeWindow (disp, vt, |
1264 | window_vt_x, window_vt_y, |
1140 | window_vt_x, window_vt_y, |
1265 | width, height); |
1141 | width, height); |
1266 | |
1142 | |
… | |
… | |
1450 | XRectangle rect, status_rect, needed_rect; |
1326 | XRectangle rect, status_rect, needed_rect; |
1451 | unsigned long fg, bg; |
1327 | unsigned long fg, bg; |
1452 | const char *p; |
1328 | const char *p; |
1453 | char **s; |
1329 | char **s; |
1454 | XIMStyles *xim_styles; |
1330 | XIMStyles *xim_styles; |
|
|
1331 | |
|
|
1332 | set_environ (envv); |
1455 | |
1333 | |
1456 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1334 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1457 | return false; |
1335 | return false; |
1458 | |
1336 | |
1459 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1337 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
… | |
… | |
1625 | int i; |
1503 | int i; |
1626 | const char *p; |
1504 | const char *p; |
1627 | char **s; |
1505 | char **s; |
1628 | char buf[IMBUFSIZ]; |
1506 | char buf[IMBUFSIZ]; |
1629 | |
1507 | |
1630 | SET_R (this); |
1508 | make_current (); |
1631 | |
1509 | |
1632 | im_destroy (); |
1510 | im_destroy (); |
1633 | |
1511 | |
1634 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1512 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1635 | if (Input_Context) |
1513 | if (Input_Context) |
… | |
… | |
1712 | XFree (preedit_attr); |
1590 | XFree (preedit_attr); |
1713 | XFree (status_attr); |
1591 | XFree (status_attr); |
1714 | } |
1592 | } |
1715 | #endif /* USE_XIM */ |
1593 | #endif /* USE_XIM */ |
1716 | |
1594 | |
1717 | /*----------------------------------------------------------------------*/ |
|
|
1718 | rxvt_t rxvt_current_term; |
|
|
1719 | |
|
|
1720 | /*----------------------- end-of-file (C source) -----------------------*/ |
1595 | /*----------------------- end-of-file (C source) -----------------------*/ |