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Revision: 1.217
Committed: Tue Oct 9 13:36:10 2007 UTC (16 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.216: +4 -1 lines
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# Content
1 /*----------------------------------------------------------------------*
2 * File: init.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7 * - original version
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1996 Chuck Blake <cblake@BBN.COM>
11 * Copyright (c) 1997 mj olesen <olesen@me.queensu.ca>
12 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
13 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
14 * - extensive modifications
15 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
16 * - QNX support
17 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
18 *
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *---------------------------------------------------------------------*/
33 /*
34 * Initialisation routines.
35 */
36
37 #include "../config.h" /* NECESSARY */
38 #include "rxvt.h" /* NECESSARY */
39 #include "rxvtutil.h"
40 #include "init.h"
41
42 #include <limits>
43
44 #include <csignal>
45
46 #ifdef DISPLAY_IS_IP
47 /* On Solaris link with -lsocket and -lnsl */
48 #include <sys/types.h>
49 #include <sys/socket.h>
50
51 /* these next two are probably only on Sun (not Solaris) */
52 #ifdef HAVE_SYS_SOCKIO_H
53 #include <sys/sockio.h>
54 #endif
55 #ifdef HAVE_SYS_BYTEORDER_H
56 #include <sys/byteorder.h>
57 #endif
58
59 #include <netinet/in.h>
60 #include <arpa/inet.h>
61 #include <net/if.h>
62 #include <net/if_arp.h>
63
64 static char *
65 rxvt_network_display (const char *display)
66 {
67 char buffer[1024], *rval = NULL;
68 struct ifconf ifc;
69 struct ifreq *ifr;
70 int i, skfd;
71
72 if (display[0] != ':' && strncmp (display, "unix:", 5))
73 return (char *) display; /* nothing to do */
74
75 ifc.ifc_len = sizeof (buffer); /* Get names of all ifaces */
76 ifc.ifc_buf = buffer;
77
78 if ((skfd = socket (AF_INET, SOCK_DGRAM, 0)) < 0)
79 {
80 perror ("socket");
81 return NULL;
82 }
83
84 if (ioctl (skfd, SIOCGIFCONF, &ifc) < 0)
85 {
86 perror ("SIOCGIFCONF");
87 close (skfd);
88 return NULL;
89 }
90
91 for (i = 0, ifr = ifc.ifc_req;
92 i < (ifc.ifc_len / sizeof (struct ifreq));
93 i++, ifr++)
94 {
95 struct ifreq ifr2;
96
97 strcpy (ifr2.ifr_name, ifr->ifr_name);
98
99 if (ioctl (skfd, SIOCGIFADDR, &ifr2) >= 0)
100 {
101 unsigned long addr;
102 struct sockaddr_in *p_addr;
103
104 p_addr = (struct sockaddr_in *) &ifr2.ifr_addr;
105 addr = htonl ((unsigned long)p_addr->sin_addr.s_addr);
106
107 /*
108 * not "0.0.0.0" or "127.0.0.1" - so format the address
109 */
110 if (addr && addr != 0x7F000001)
111 {
112 char *colon = strchr (display, ':');
113
114 if (colon == NULL)
115 colon = ":0.0";
116
117 rval = rxvt_malloc (strlen (colon) + 16);
118 sprintf (rval, "%d.%d.%d.%d%s",
119 (int) ((addr >> 030) & 0xFF),
120 (int) ((addr >> 020) & 0xFF),
121 (int) ((addr >> 010) & 0xFF),
122 (int) (addr & 0xFF), colon);
123 break;
124 }
125 }
126 }
127
128 close (skfd);
129
130 return rval;
131 }
132 #endif
133
134 const char *const def_colorName[] =
135 {
136 COLOR_FOREGROUND,
137 COLOR_BACKGROUND,
138 /* low-intensity colors */
139 "rgb:00/00/00", // 0: black (Black)
140 "rgb:cd/00/00", // 1: red (Red3)
141 "rgb:00/cd/00", // 2: green (Green3)
142 "rgb:cd/cd/00", // 3: yellow (Yellow3)
143 "rgb:00/00/cd", // 4: blue (Blue3)
144 "rgb:cd/00/cd", // 5: magenta (Magenta3)
145 "rgb:00/cd/cd", // 6: cyan (Cyan3)
146 # ifdef XTERM_COLORS
147 "rgb:e5/e5/e5", // 7: white (Grey90)
148 # else
149 "rgb:fa/eb/d7", // 7: white (AntiqueWhite)
150 # endif
151 /* high-intensity colors */
152 # ifdef XTERM_COLORS
153 "rgb:4d/4d/4d", // 8: bright black (Grey30)
154 # else
155 "rgb:40/40/40", // 8: bright black (Grey25)
156 # endif
157 "rgb:ff/00/00", // 1/9: bright red (Reed)
158 "rgb:00/ff/00", // 2/10: bright green (Green)
159 "rgb:ff/ff/00", // 3/11: bright yellow (Yellow)
160 "rgb:00/00/ff", // 4/12: bright blue (Blue)
161 "rgb:ff/00/ff", // 5/13: bright magenta (Magenta)
162 "rgb:00/ff/ff", // 6/14: bright cyan (Cyan)
163 "rgb:ff/ff/ff", // 7/15: bright white (White)
164
165 // 88 xterm colours
166 "rgb:00/00/00",
167 "rgb:00/00/8b",
168 "rgb:00/00/cd",
169 "rgb:00/00/ff",
170 "rgb:00/8b/00",
171 "rgb:00/8b/8b",
172 "rgb:00/8b/cd",
173 "rgb:00/8b/ff",
174 "rgb:00/cd/00",
175 "rgb:00/cd/8b",
176 "rgb:00/cd/cd",
177 "rgb:00/cd/ff",
178 "rgb:00/ff/00",
179 "rgb:00/ff/8b",
180 "rgb:00/ff/cd",
181 "rgb:00/ff/ff",
182 "rgb:8b/00/00",
183 "rgb:8b/00/8b",
184 "rgb:8b/00/cd",
185 "rgb:8b/00/ff",
186 "rgb:8b/8b/00",
187 "rgb:8b/8b/8b",
188 "rgb:8b/8b/cd",
189 "rgb:8b/8b/ff",
190 "rgb:8b/cd/00",
191 "rgb:8b/cd/8b",
192 "rgb:8b/cd/cd",
193 "rgb:8b/cd/ff",
194 "rgb:8b/ff/00",
195 "rgb:8b/ff/8b",
196 "rgb:8b/ff/cd",
197 "rgb:8b/ff/ff",
198 "rgb:cd/00/00",
199 "rgb:cd/00/8b",
200 "rgb:cd/00/cd",
201 "rgb:cd/00/ff",
202 "rgb:cd/8b/00",
203 "rgb:cd/8b/8b",
204 "rgb:cd/8b/cd",
205 "rgb:cd/8b/ff",
206 "rgb:cd/cd/00",
207 "rgb:cd/cd/8b",
208 "rgb:cd/cd/cd",
209 "rgb:cd/cd/ff",
210 "rgb:cd/ff/00",
211 "rgb:cd/ff/8b",
212 "rgb:cd/ff/cd",
213 "rgb:cd/ff/ff",
214 "rgb:ff/00/00",
215 "rgb:ff/00/8b",
216 "rgb:ff/00/cd",
217 "rgb:ff/00/ff",
218 "rgb:ff/8b/00",
219 "rgb:ff/8b/8b",
220 "rgb:ff/8b/cd",
221 "rgb:ff/8b/ff",
222 "rgb:ff/cd/00",
223 "rgb:ff/cd/8b",
224 "rgb:ff/cd/cd",
225 "rgb:ff/cd/ff",
226 "rgb:ff/ff/00",
227 "rgb:ff/ff/8b",
228 "rgb:ff/ff/cd",
229 "rgb:ff/ff/ff",
230 "rgb:2e/2e/2e",
231 "rgb:5c/5c/5c",
232 "rgb:73/73/73",
233 "rgb:8b/8b/8b",
234 "rgb:a2/a2/a2",
235 "rgb:b9/b9/b9",
236 "rgb:d0/d0/d0",
237 "rgb:e7/e7/e7",
238
239 #ifndef NO_CURSORCOLOR
240 COLOR_CURSOR_BACKGROUND,
241 COLOR_CURSOR_FOREGROUND,
242 #endif /* ! NO_CURSORCOLOR */
243 NULL, /* Color_pointer_fg */
244 NULL, /* Color_pointer_bg */
245 NULL, /* Color_border */
246 #ifndef NO_BOLD_UNDERLINE_REVERSE
247 NULL, /* Color_BD */
248 NULL, /* Color_IT */
249 NULL, /* Color_UL */
250 NULL, /* Color_RV */
251 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
252 #if ENABLE_FRILLS
253 NULL, // Color_underline
254 #endif
255 #ifdef OPTION_HC
256 NULL,
257 #endif
258 #ifdef KEEP_SCROLLCOLOR
259 COLOR_SCROLLBAR,
260 COLOR_SCROLLTROUGH,
261 #endif /* KEEP_SCROLLCOLOR */
262 #if ENABLE_TRANSPARENCY
263 NULL,
264 #endif
265 #if OFF_FOCUS_FADING
266 "rgb:00/00/00",
267 #endif
268 };
269
270 bool
271 rxvt_term::init_vars ()
272 {
273 pix_colors = //
274 pix_colors_focused = new rxvt_color [TOTAL_COLORS];
275 #ifdef OFF_FOCUS_FADING
276 pix_colors_unfocused = new rxvt_color [TOTAL_COLORS];
277 #endif
278
279
280 MEvent.time = CurrentTime;
281 MEvent.button = AnyButton;
282 want_refresh = 1;
283 priv_modes = SavedModes = PrivMode_Default;
284 ncol = 80;
285 nrow = 24;
286 int_bwidth = INTERNALBORDERWIDTH;
287 ext_bwidth = EXTERNALBORDERWIDTH;
288 lineSpace = LINESPACE;
289 saveLines = SAVELINES;
290 numpix_colors = TOTAL_COLORS;
291
292 refresh_type = SLOW_REFRESH;
293
294 oldcursor.row = oldcursor.col = -1;
295 last_bot = last_state = -1;
296
297 set_option (Opt_scrollBar);
298 set_option (Opt_scrollTtyOutput);
299 set_option (Opt_jumpScroll);
300 set_option (Opt_skipScroll);
301 set_option (Opt_secondaryScreen);
302 set_option (Opt_secondaryScroll);
303 set_option (Opt_pastableTabs);
304 set_option (Opt_intensityStyles);
305 set_option (Opt_iso14755_52);
306
307 return true;
308 }
309
310 void
311 rxvt_term::init_secondary ()
312 {
313 int i;
314
315 /*
316 * Close all unused file descriptors
317 * We don't want them, we don't need them.
318 */
319 if ((i = open ("/dev/null", O_RDONLY)) < 0)
320 {
321 /* TODO: BOO HISS */
322 dup2 (STDERR_FILENO, STDIN_FILENO);
323 }
324 else if (i != STDIN_FILENO)
325 {
326 dup2 (i, STDIN_FILENO);
327 close (i);
328 }
329
330 dup2 (STDERR_FILENO, STDOUT_FILENO);
331
332 #if 0 // schmorp sayz closing filies is murder
333 for (i = STDERR_FILENO + 1; i < num_fds; i++)
334 {
335 #ifdef __sgi /* Alex Coventry says we need 4 & 7 too */
336 if (i == 4 || i == 7)
337 continue;
338 #endif
339 close (i);
340 }
341 #endif
342 }
343
344 /*----------------------------------------------------------------------*/
345 const char **
346 rxvt_term::init_resources (int argc, const char *const *argv)
347 {
348 int i, r_argc;
349 const char **cmd_argv, **r_argv;
350
351 /*
352 * Look for -e option. Find => split and make cmd_argv[] of command args
353 */
354 for (r_argc = 0; r_argc < argc; r_argc++)
355 if (!strcmp (argv[r_argc], "-e"))
356 break;
357
358 if (r_argc == argc)
359 cmd_argv = NULL;
360 else if (!argv[r_argc + 1])
361 rxvt_fatal ("-e requires an argument\n");
362 else
363 {
364 cmd_argv = (const char **)rxvt_malloc (sizeof (char *) * (argc - r_argc));
365
366 for (i = 0; i < argc - r_argc - 1; i++)
367 cmd_argv[i] = (const char *)argv[i + r_argc + 1];
368
369 cmd_argv[i] = NULL;
370 }
371
372 r_argv = (const char **)rxvt_malloc (sizeof (char *) * (r_argc + 1));
373
374 for (i = 0; i < r_argc; i++)
375 r_argv[i] = (const char *)argv[i];
376
377 r_argv[i] = NULL;
378
379 rs[Rs_name] = rxvt_basename (argv[0]);
380
381 /*
382 * Open display, get options/resources and create the window
383 */
384
385 if ((rs[Rs_display_name] = getenv ("DISPLAY")) == NULL)
386 rs[Rs_display_name] = ":0";
387
388 get_options (r_argc, r_argv);
389
390 if (!(display = displays.get (rs[Rs_display_name])))
391 {
392 free (r_argv);
393 rxvt_fatal ("can't open display %s, aborting.\n", rs[Rs_display_name]);
394 }
395
396 // using a local pointer decreases code size a lot
397 xa = display->xa;
398
399 set (display);
400 extract_resources ();
401
402 #if XFT
403 if (rs[Rs_depth])
404 select_visual (strtol (rs[Rs_depth], 0, 0));
405 #endif
406
407 #ifdef HAVE_AFTERIMAGE
408 asv = create_asvisual_for_id (dpy, display->screen, depth, XVisualIDFromVisual (visual), cmap, NULL);
409 #endif
410 free (r_argv);
411
412 for (int i = NUM_RESOURCES; i--; )
413 if (rs [i] == resval_undef)
414 rs [i] = 0;
415
416 #if ENABLE_PERL
417 if (!rs[Rs_perl_ext_1])
418 rs[Rs_perl_ext_1] = "default";
419
420 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
421 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
422 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
423 {
424 rxvt_perl.init (this);
425 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
426 }
427 #endif
428
429 /*
430 * set any defaults not already set
431 */
432 if (cmd_argv && cmd_argv[0])
433 {
434 if (!rs[Rs_title])
435 rs[Rs_title] = rxvt_basename (cmd_argv[0]);
436 if (!rs[Rs_iconName])
437 rs[Rs_iconName] = rs[Rs_title];
438 }
439 else
440 {
441 if (!rs[Rs_title])
442 rs[Rs_title] = rs[Rs_name];
443 if (!rs[Rs_iconName])
444 rs[Rs_iconName] = rs[Rs_name];
445 }
446
447 if (rs[Rs_saveLines] && (i = atoi (rs[Rs_saveLines])) >= 0)
448 saveLines = min (i, MAX_SAVELINES);
449
450 #if ENABLE_FRILLS
451 if (rs[Rs_int_bwidth] && (i = atoi (rs[Rs_int_bwidth])) >= 0)
452 int_bwidth = min (i, std::numeric_limits<int16_t>::max ());
453
454 if (rs[Rs_ext_bwidth] && (i = atoi (rs[Rs_ext_bwidth])) >= 0)
455 ext_bwidth = min (i, std::numeric_limits<int16_t>::max ());
456
457 if (rs[Rs_lineSpace] && (i = atoi (rs[Rs_lineSpace])) >= 0)
458 lineSpace = min (i, std::numeric_limits<int16_t>::max ());
459 #endif
460
461 #ifdef POINTER_BLANK
462 if (rs[Rs_pointerBlankDelay] && (i = atoi (rs[Rs_pointerBlankDelay])) >= 0)
463 pointerBlankDelay = i;
464 else
465 pointerBlankDelay = 2;
466 #endif
467
468 /* no point having a scrollbar without having any scrollback! */
469 if (!saveLines)
470 set_option (Opt_scrollBar, 0);
471
472 #ifdef PRINTPIPE
473 if (!rs[Rs_print_pipe])
474 rs[Rs_print_pipe] = PRINTPIPE;
475 #endif
476
477 if (!rs[Rs_cutchars])
478 rs[Rs_cutchars] = CUTCHARS;
479
480 #ifndef NO_BACKSPACE_KEY
481 if (!rs[Rs_backspace_key])
482 # ifdef DEFAULT_BACKSPACE
483 rs[Rs_backspace_key] = DEFAULT_BACKSPACE;
484 # else
485 rs[Rs_backspace_key] = "DEC"; /* can toggle between \010 or \177 */
486 # endif
487 #endif
488
489 #ifndef NO_DELETE_KEY
490 if (!rs[Rs_delete_key])
491 # ifdef DEFAULT_DELETE
492 rs[Rs_delete_key] = DEFAULT_DELETE;
493 # else
494 rs[Rs_delete_key] = "\033[3~";
495 # endif
496 #endif
497
498 #ifdef HAVE_SCROLLBARS
499 setup_scrollbar (rs[Rs_scrollBar_align], rs[Rs_scrollstyle], rs[Rs_scrollBar_thickness]);
500 #endif
501
502 #ifdef XTERM_REVERSE_VIDEO
503 /* this is how xterm implements reverseVideo */
504 if (option (Opt_reverseVideo))
505 {
506 if (!rs[Rs_color + Color_fg])
507 rs[Rs_color + Color_fg] = def_colorName[Color_bg];
508
509 if (!rs[Rs_color + Color_bg])
510 rs[Rs_color + Color_bg] = def_colorName[Color_fg];
511 }
512 #endif
513
514 for (i = 0; i < NRS_COLORS; i++)
515 if (!rs[Rs_color + i])
516 rs[Rs_color + i] = def_colorName[i];
517
518 #ifndef XTERM_REVERSE_VIDEO
519 /* this is how we implement reverseVideo */
520 if (option (Opt_reverseVideo))
521 ::swap (rs[Rs_color + Color_fg], rs[Rs_color + Color_bg]);
522 #endif
523
524 /* convenient aliases for setting fg/bg to colors */
525 color_aliases (Color_fg);
526 color_aliases (Color_bg);
527 #ifndef NO_CURSORCOLOR
528 color_aliases (Color_cursor);
529 color_aliases (Color_cursor2);
530 #endif /* NO_CURSORCOLOR */
531 color_aliases (Color_pointer_fg);
532 color_aliases (Color_pointer_bg);
533 color_aliases (Color_border);
534 #ifndef NO_BOLD_UNDERLINE_REVERSE
535 color_aliases (Color_BD);
536 color_aliases (Color_UL);
537 color_aliases (Color_RV);
538 #endif /* ! NO_BOLD_UNDERLINE_REVERSE */
539
540 if (!rs[Rs_color + Color_border])
541 rs[Rs_color + Color_border] = rs[Rs_color + Color_bg];
542
543 return cmd_argv;
544 }
545
546 /*----------------------------------------------------------------------*/
547 void
548 rxvt_term::init_env ()
549 {
550 int i;
551 char *val;
552
553 #ifdef DISPLAY_IS_IP
554 /* Fixup display_name for export over pty to any interested terminal
555 * clients via "ESC[7n" (e.g. shells). Note we use the pure IP number
556 * (for the first non-loopback interface) that we get from
557 * rxvt_network_display (). This is more "name-resolution-portable", if you
558 * will, and probably allows for faster x-client startup if your name
559 * server is beyond a slow link or overloaded at client startup. Of
560 * course that only helps the shell's child processes, not us.
561 *
562 * Giving out the display_name also affords a potential security hole
563 */
564 val = rxvt_network_display (rs[Rs_display_name]);
565 rs[Rs_display_name] = (const char *)val;
566
567 if (val == NULL)
568 #endif /* DISPLAY_IS_IP */
569 val = XDisplayString (dpy);
570
571 if (rs[Rs_display_name] == NULL)
572 rs[Rs_display_name] = val; /* use broken `:0' value */
573
574 i = strlen (val);
575 env_display = (char *)rxvt_malloc (i + 9);
576
577 sprintf (env_display, "DISPLAY=%s", val);
578
579 sprintf (env_windowid, "WINDOWID=%lu", (unsigned long)parent[0]);
580
581 /* add entries to the environment:
582 * @ DISPLAY: in case we started with -display
583 * @ WINDOWID: X window id number of the window
584 * @ COLORTERM: terminal sub-name and also indicates its color
585 * @ TERM: terminal name
586 * @ TERMINFO: path to terminfo directory
587 * @ COLORFGBG: fg;bg color codes
588 */
589 putenv (env_display);
590 putenv (env_windowid);
591
592 if (env_colorfgbg)
593 putenv (env_colorfgbg);
594
595 #ifdef RXVT_TERMINFO
596 putenv ("TERMINFO=" RXVT_TERMINFO);
597 #endif
598
599 if (depth <= 2)
600 putenv ("COLORTERM=" COLORTERMENV "-mono");
601 else
602 putenv ("COLORTERM=" COLORTERMENVFULL);
603
604 if (rs[Rs_term_name] != NULL)
605 {
606 env_term = (char *)rxvt_malloc (strlen (rs[Rs_term_name]) + 6);
607 sprintf (env_term, "TERM=%s", rs[Rs_term_name]);
608 putenv (env_term);
609 }
610 else
611 putenv ("TERM=" TERMENV);
612
613 #ifdef HAVE_UNSETENV
614 /* avoid passing old settings and confusing term size */
615 unsetenv ("LINES");
616 unsetenv ("COLUMNS");
617 unsetenv ("TERMCAP"); /* terminfo should be okay */
618 #endif /* HAVE_UNSETENV */
619 }
620
621 /*----------------------------------------------------------------------*/
622 /*
623 * This is more or less stolen straight from XFree86 xterm.
624 * This should support all European type languages.
625 */
626 void
627 rxvt_term::set_locale (const char *locale)
628 {
629 set_environ (envv);
630
631 #if HAVE_XSETLOCALE || HAVE_SETLOCALE
632 free (this->locale);
633 this->locale = setlocale (LC_CTYPE, locale);
634
635 if (!this->locale)
636 {
637 if (*locale)
638 {
639 rxvt_warn ("unable to set locale \"%s\", using C locale instead.\n", locale);
640 setlocale (LC_CTYPE, "C");
641 }
642 else
643 rxvt_warn ("default locale unavailable, check LC_* and LANG variables. Continuing.\n");
644
645 this->locale = "C";
646 }
647
648
649 this->locale = rxvt_strdup (this->locale);
650 SET_LOCALE (this->locale);
651 mbstate.reset ();
652 #endif
653
654 #if HAVE_NL_LANGINFO
655 char *codeset = strdup (nl_langinfo (CODESET));
656 // /^UTF.?8/i
657 enc_utf8 = (codeset[0] == 'U' || codeset[0] == 'u')
658 && (codeset[1] == 'T' || codeset[1] == 't')
659 && (codeset[2] == 'F' || codeset[2] == 'f')
660 && (codeset[3] == '8' || codeset[4] == '8');
661 free (codeset);
662 #else
663 enc_utf8 = 0;
664 #endif
665 }
666
667 void
668 rxvt_term::init_xlocale ()
669 {
670 set_environ (envv);
671
672 #ifdef USE_XIM
673 if (!locale)
674 rxvt_warn ("setting locale failed, working without locale support.\n");
675 else
676 {
677 set_string_property (xa[XA_WM_LOCALE_NAME], locale);
678
679 if (!XSupportsLocale ())
680 {
681 rxvt_warn ("the locale is not supported by Xlib, working without locale support.\n");
682 return;
683 }
684
685 im_ev.start (display);
686
687 /* see if we can connect already */
688 im_cb ();
689 }
690 #endif
691 }
692
693 /*----------------------------------------------------------------------*/
694 void
695 rxvt_term::init_command (const char *const *argv)
696 {
697 /*
698 * Initialize the command connection.
699 * This should be called after the X server connection is established.
700 */
701
702 #ifdef META8_OPTION
703 meta_char = option (Opt_meta8) ? 0x80 : C0_ESC;
704 #endif
705
706 get_ourmods ();
707
708 if (!option (Opt_scrollTtyOutput))
709 priv_modes |= PrivMode_TtyOutputInh;
710 if (option (Opt_scrollTtyKeypress))
711 priv_modes |= PrivMode_Keypress;
712 if (!option (Opt_jumpScroll))
713 priv_modes |= PrivMode_smoothScroll;
714
715 #ifndef NO_BACKSPACE_KEY
716 if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
717 priv_modes |= PrivMode_HaveBackSpace;
718 #endif
719
720 /* add value for scrollBar */
721 if (scrollBar.state)
722 {
723 priv_modes |= PrivMode_scrollBar;
724 SavedModes |= PrivMode_scrollBar;
725 }
726
727 run_command (argv);
728 }
729
730 /*----------------------------------------------------------------------*/
731 void
732 rxvt_term::Get_Colours ()
733 {
734 int i;
735
736 #ifdef OFF_FOCUS_FADING
737 pix_colors = pix_colors_focused;
738 #endif
739
740 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
741 {
742 const char *name = rs[Rs_color + i];
743
744 if (!name)
745 continue;
746
747 rxvt_color xcol;
748
749 if (!set_color (xcol, name))
750 {
751 #ifndef XTERM_REVERSE_VIDEO
752 if (i < 2 && option (Opt_reverseVideo))
753 name = def_colorName [1 - i];
754 else
755 #endif
756 name = def_colorName [i];
757
758 if (!name)
759 continue;
760
761 if (!set_color (xcol, name))
762 {
763 switch (i)
764 {
765 case Color_fg:
766 case Color_bg:
767 rxvt_warn ("unable to get foreground/background colour, continuing.\n");
768 name = "";
769 break;
770 #ifndef NO_CURSORCOLOR
771 case Color_cursor2:
772 #endif
773 case Color_pointer_fg:
774 name = rs[Rs_color + Color_fg];
775 xcol.set (this, name);
776 break;
777 default:
778 name = rs[Rs_color + Color_bg];
779 xcol.set (this, name);
780 break;
781 }
782 }
783 }
784
785 pix_colors[i] = xcol;
786 rs[Rs_color + i] = name;
787 }
788
789 if (depth <= 2)
790 {
791 if (!rs[Rs_color + Color_pointer_fg]) alias_color (Color_pointer_fg, Color_fg);
792 if (!rs[Rs_color + Color_pointer_bg]) alias_color (Color_pointer_bg, Color_bg);
793 if (!rs[Rs_color + Color_border] ) alias_color (Color_border, Color_fg);
794 }
795
796 /*
797 * get scrollBar shadow colors
798 *
799 * The calculations of topShadow/bottomShadow values are adapted
800 * from the fvwm window manager.
801 */
802 #ifdef KEEP_SCROLLCOLOR
803 if (depth <= 2)
804 {
805 /* Monochrome */
806 alias_color (Color_scroll, Color_fg);
807 alias_color (Color_topShadow, Color_bg);
808 alias_color (Color_bottomShadow, Color_bg);
809 }
810 else
811 {
812 pix_colors [Color_scroll].fade (this, 50, pix_colors [Color_bottomShadow]);
813
814 rgba cscroll;
815 pix_colors [Color_scroll].get (cscroll);
816
817 /* topShadowColor */
818 if (!pix_colors[Color_topShadow].set (this,
819 rgba (
820 min ((int)rgba::MAX_CC, max (cscroll.r / 5, cscroll.r) * 7 / 5),
821 min ((int)rgba::MAX_CC, max (cscroll.g / 5, cscroll.g) * 7 / 5),
822 min ((int)rgba::MAX_CC, max (cscroll.b / 5, cscroll.b) * 7 / 5),
823 cscroll.a)
824 ))
825 alias_color (Color_topShadow, Color_White);
826 }
827 #endif /* KEEP_SCROLLCOLOR */
828
829 #ifdef OFF_FOCUS_FADING
830 for (i = 0; i < (depth <= 2 ? 2 : NRS_COLORS); i++)
831 update_fade_color (i);
832 #endif
833 }
834
835 /*----------------------------------------------------------------------*/
836 /* color aliases, fg/bg bright-bold */
837 void
838 rxvt_term::color_aliases (int idx)
839 {
840 if (rs[Rs_color + idx] && isdigit (* (rs[Rs_color + idx])))
841 {
842 int i = atoi (rs[Rs_color + idx]);
843
844 if (i >= 8 && i <= 15)
845 { /* bright colors */
846 i -= 8;
847 rs[Rs_color + idx] = rs[Rs_color + minBrightCOLOR + i];
848 return;
849 }
850
851 if (i >= 0 && i <= 7) /* normal colors */
852 rs[Rs_color + idx] = rs[Rs_color + minCOLOR + i];
853 }
854 }
855
856 /*----------------------------------------------------------------------*/
857 /*
858 * Probe the modifier keymap to get the Meta (Alt) and Num_Lock settings
859 * Use resource ``modifier'' to override the Meta modifier
860 */
861 void
862 rxvt_term::get_ourmods ()
863 {
864 int i, j, k;
865 int requestedmeta, realmeta, realalt;
866 const char *cm, *rsmod;
867 XModifierKeymap *map;
868 KeyCode *kc;
869 const unsigned int modmasks[] =
870 {
871 Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask
872 };
873
874 requestedmeta = realmeta = realalt = 0;
875 rsmod = rs[Rs_modifier];
876
877 if (rsmod
878 && strcasecmp (rsmod, "mod1") >= 0 && strcasecmp (rsmod, "mod5") <= 0)
879 requestedmeta = rsmod[3] - '0';
880
881 map = XGetModifierMapping (dpy);
882 kc = map->modifiermap;
883
884 for (i = 1; i < 6; i++)
885 {
886 k = (i + 2) * map->max_keypermod; /* skip shift/lock/control */
887
888 for (j = map->max_keypermod; j--; k++)
889 {
890 if (kc[k] == 0)
891 break;
892
893 switch (XKeycodeToKeysym (dpy, kc[k], 0))
894 {
895 case XK_Num_Lock:
896 ModNumLockMask = modmasks[i - 1];
897 continue;
898
899 case XK_ISO_Level3_Shift:
900 ModLevel3Mask = modmasks[i - 1];
901 continue;
902
903 case XK_Meta_L:
904 case XK_Meta_R:
905 cm = "meta";
906 realmeta = i;
907 break;
908
909 case XK_Alt_L:
910 case XK_Alt_R:
911 cm = "alt";
912 realalt = i;
913 break;
914
915 case XK_Super_L:
916 case XK_Super_R:
917 cm = "super";
918 break;
919
920 case XK_Hyper_L:
921 case XK_Hyper_R:
922 cm = "hyper";
923 break;
924
925 default:
926 continue;
927 }
928
929 if (rsmod && strncasecmp (rsmod, cm, strlen (cm)) == 0)
930 requestedmeta = i;
931 }
932 }
933
934 XFreeModifiermap (map);
935
936 i = requestedmeta ? requestedmeta
937 : realmeta ? realmeta
938 : realalt ? realalt
939 : 0;
940
941 if (i)
942 ModMetaMask = modmasks[i - 1];
943 }
944
945 /*----------------------------------------------------------------------*/
946 /* rxvt_Create_Windows () - Open and map the window */
947 void
948 rxvt_term::create_windows (int argc, const char *const *argv)
949 {
950 XClassHint classHint;
951 XWMHints wmHint;
952 #if ENABLE_FRILLS
953 MWMHints mwmhints = { };
954 #endif
955 XGCValues gcvalue;
956 XSetWindowAttributes attributes;
957 Window top, parent;
958
959 dLocal (Display *, dpy);
960
961 /* grab colors before netscape does */
962 Get_Colours ();
963
964 if (!set_fonts ())
965 rxvt_fatal ("unable to load base fontset, please specify a valid one using -fn, aborting.\n");
966
967 parent = display->root;
968
969 attributes.override_redirect = !!option (Opt_override_redirect);
970
971 #if ENABLE_FRILLS
972 if (option (Opt_borderLess))
973 {
974 if (XInternAtom (dpy, "_MOTIF_WM_INFO", True) == None)
975 {
976 // rxvt_warn("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
977 attributes.override_redirect = true;
978 }
979 else
980 {
981 mwmhints.flags = MWM_HINTS_DECORATIONS;
982 }
983 }
984 #endif
985
986 #if ENABLE_XEMBED
987 if (rs[Rs_embed])
988 {
989 XWindowAttributes wattr;
990
991 parent = strtol (rs[Rs_embed], 0, 0);
992
993 if (!XGetWindowAttributes (dpy, parent, &wattr))
994 rxvt_fatal ("invalid window-id specified with -embed, aborting.\n");
995
996 window_calc (wattr.width, wattr.height);
997 }
998 #endif
999
1000 window_calc (0, 0);
1001
1002 /* sub-window placement & size in rxvt_resize_subwindows () */
1003 attributes.background_pixel = pix_colors_focused [Color_border];
1004 attributes.border_pixel = pix_colors_focused [Color_border];
1005 attributes.colormap = cmap;
1006
1007 top = XCreateWindow (dpy, parent,
1008 szHint.x, szHint.y,
1009 szHint.width, szHint.height,
1010 ext_bwidth,
1011 depth, InputOutput, visual,
1012 CWColormap | CWBackPixel | CWBorderPixel | CWOverrideRedirect,
1013 &attributes);
1014
1015 this->parent[0] = top;
1016
1017 old_width = szHint.width;
1018 old_height = szHint.height;
1019
1020 process_xterm_seq (XTerm_title, rs[Rs_title], CHAR_ST);
1021 process_xterm_seq (XTerm_iconName, rs[Rs_iconName], CHAR_ST);
1022
1023 classHint.res_name = (char *)rs[Rs_name];
1024 classHint.res_class = (char *)RESCLASS;
1025
1026 wmHint.flags = InputHint | StateHint | WindowGroupHint;
1027 wmHint.input = True;
1028 wmHint.initial_state = option (Opt_iconic) ? IconicState : NormalState;
1029 wmHint.window_group = top;
1030
1031 XmbSetWMProperties (dpy, top, NULL, NULL, (char **)argv, argc,
1032 &szHint, &wmHint, &classHint);
1033
1034 #if ENABLE_FRILLS
1035 if (mwmhints.flags)
1036 XChangeProperty (dpy, top, xa[XA_MOTIF_WM_HINTS], xa[XA_MOTIF_WM_HINTS], 32,
1037 PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
1038 #endif
1039
1040 Atom protocols[] = {
1041 xa[XA_WM_DELETE_WINDOW],
1042 #if ENABLE_EWMH
1043 xa[XA_NET_WM_PING],
1044 #endif
1045 };
1046
1047 XSetWMProtocols (dpy, top, protocols, sizeof (protocols) / sizeof (protocols[0]));
1048
1049 #if ENABLE_FRILLS
1050 if (rs[Rs_transient_for])
1051 XSetTransientForHint (dpy, top, (Window)strtol (rs[Rs_transient_for], 0, 0));
1052 #endif
1053
1054 #if ENABLE_EWMH
1055 long pid = getpid ();
1056
1057 XChangeProperty (dpy, top,
1058 xa[XA_NET_WM_PID], XA_CARDINAL, 32,
1059 PropModeReplace, (unsigned char *)&pid, 1);
1060
1061 // _NET_WM_WINDOW_TYPE is NORMAL, which is the default
1062 #endif
1063
1064 XSelectInput (dpy, top,
1065 KeyPressMask
1066 #if (MOUSE_WHEEL && MOUSE_SLIP_WHEELING) || ENABLE_FRILLS || ISO_14755
1067 | KeyReleaseMask
1068 #endif
1069 | FocusChangeMask | VisibilityChangeMask
1070 | ExposureMask | StructureNotifyMask);
1071
1072 termwin_ev.start (display, top);
1073
1074 /* vt cursor: Black-on-White is standard, but this is more popular */
1075 TermWin_cursor = XCreateFontCursor (dpy, XC_xterm);
1076
1077 #ifdef HAVE_SCROLLBARS
1078 /* cursor scrollBar: Black-on-White */
1079 leftptr_cursor = XCreateFontCursor (dpy, XC_left_ptr);
1080 #endif
1081
1082 /* the vt window */
1083 vt = XCreateSimpleWindow (dpy, top,
1084 window_vt_x, window_vt_y,
1085 width, height,
1086 0,
1087 pix_colors_focused[Color_fg],
1088 pix_colors_focused[Color_bg]);
1089
1090 attributes.bit_gravity = NorthWestGravity;
1091 XChangeWindowAttributes (dpy, vt, CWBitGravity, &attributes);
1092
1093 vt_emask = ExposureMask | ButtonPressMask | ButtonReleaseMask | PropertyChangeMask;
1094
1095 if (option (Opt_pointerBlank))
1096 vt_emask |= PointerMotionMask;
1097 else
1098 vt_emask |= Button1MotionMask | Button3MotionMask;
1099
1100 vt_select_input ();
1101
1102 vt_ev.start (display, vt);
1103
1104 /* graphics context for the vt window */
1105 gcvalue.foreground = pix_colors[Color_fg];
1106 gcvalue.background = pix_colors[Color_bg];
1107 gcvalue.graphics_exposures = 0;
1108
1109 gc = XCreateGC (dpy, vt,
1110 GCForeground | GCBackground | GCGraphicsExposures,
1111 &gcvalue);
1112
1113 drawable = new rxvt_drawable (this, vt);
1114
1115 #ifdef RXVT_SCROLLBAR
1116 gcvalue.foreground = pix_colors[Color_topShadow];
1117 topShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1118 gcvalue.foreground = pix_colors[Color_bottomShadow];
1119 botShadowGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1120 gcvalue.foreground = pix_colors[ (depth <= 2 ? Color_fg : Color_scroll)];
1121 scrollbarGC = XCreateGC (dpy, vt, GCForeground, &gcvalue);
1122 #endif
1123
1124 #ifdef OFF_FOCUS_FADING
1125 // initially we are in unfocused state
1126 if (rs[Rs_fade])
1127 pix_colors = pix_colors_unfocused;
1128 #endif
1129
1130 pointer_unblank ();
1131 scr_recolour ();
1132 }
1133
1134 /* ------------------------------------------------------------------------- *
1135 * GET TTY CURRENT STATE *
1136 * ------------------------------------------------------------------------- */
1137 void
1138 rxvt_get_ttymode (ttymode_t *tio, int erase)
1139 {
1140 /*
1141 * standard System V termios interface
1142 */
1143 if (GET_TERMIOS (STDIN_FILENO, tio) < 0)
1144 {
1145 // return error - use system defaults,
1146 // where possible, and zero elsewhere
1147 memset (tio, 0, sizeof (ttymode_t));
1148
1149 tio->c_cc[VINTR] = CINTR;
1150 tio->c_cc[VQUIT] = CQUIT;
1151 tio->c_cc[VERASE] = CERASE;
1152 #ifdef VERASE2
1153 tio->c_cc[VERASE2] = CERASE2;
1154 #endif
1155 tio->c_cc[VKILL] = CKILL;
1156 tio->c_cc[VSTART] = CSTART;
1157 tio->c_cc[VSTOP] = CSTOP;
1158 tio->c_cc[VSUSP] = CSUSP;
1159 # ifdef VDSUSP
1160 tio->c_cc[VDSUSP] = CDSUSP;
1161 # endif
1162 # ifdef VREPRINT
1163 tio->c_cc[VREPRINT] = CRPRNT;
1164 # endif
1165 # ifdef VDISCRD
1166 tio->c_cc[VDISCRD] = CFLUSH;
1167 # endif
1168 # ifdef VWERSE
1169 tio->c_cc[VWERSE] = CWERASE;
1170 # endif
1171 # ifdef VLNEXT
1172 tio->c_cc[VLNEXT] = CLNEXT;
1173 # endif
1174 }
1175
1176 tio->c_cc[VEOF] = CEOF;
1177 tio->c_cc[VEOL] = VDISABLE;
1178 # ifdef VEOL2
1179 tio->c_cc[VEOL2] = VDISABLE;
1180 # endif
1181 # ifdef VSWTC
1182 tio->c_cc[VSWTC] = VDISABLE;
1183 # endif
1184 # ifdef VSWTCH
1185 tio->c_cc[VSWTCH] = VDISABLE;
1186 # endif
1187 # if VMIN != VEOF
1188 tio->c_cc[VMIN] = 1;
1189 # endif
1190 # if VTIME != VEOL
1191 tio->c_cc[VTIME] = 0;
1192 # endif
1193
1194 if (erase != -1)
1195 tio->c_cc[VERASE] = (char)erase;
1196
1197 /* input modes */
1198 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
1199 # ifdef IMAXBEL
1200 | IMAXBEL
1201 # endif
1202 | IXON);
1203
1204 /* output modes */
1205 tio->c_oflag = (OPOST | ONLCR);
1206
1207 /* control modes */
1208 tio->c_cflag = (CS8 | CREAD);
1209
1210 /* line discipline modes */
1211 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
1212 # if defined (ECHOCTL) && defined (ECHOKE)
1213 | ECHOCTL | ECHOKE
1214 # endif
1215 | ECHOE | ECHOK);
1216
1217 /*
1218 * Debugging
1219 */
1220 #ifdef DEBUG_TTYMODE
1221 #ifdef HAVE_TERMIOS_H
1222 /* c_iflag bits */
1223 fprintf (stderr, "Input flags\n");
1224
1225 /* cpp token stringize doesn't work on all machines <sigh> */
1226 # define FOO(flag,name) \
1227 if ((tio->c_iflag) & flag) \
1228 fprintf (stderr, "%s ", name)
1229
1230 /* c_iflag bits */
1231 FOO (IGNBRK, "IGNBRK");
1232 FOO (BRKINT, "BRKINT");
1233 FOO (IGNPAR, "IGNPAR");
1234 FOO (PARMRK, "PARMRK");
1235 FOO (INPCK, "INPCK");
1236 FOO (ISTRIP, "ISTRIP");
1237 FOO (INLCR, "INLCR");
1238 FOO (IGNCR, "IGNCR");
1239 FOO (ICRNL, "ICRNL");
1240 FOO (IXON, "IXON");
1241 FOO (IXOFF, "IXOFF");
1242 # ifdef IUCLC
1243 FOO (IUCLC, "IUCLC");
1244 # endif
1245 # ifdef IXANY
1246 FOO (IXANY, "IXANY");
1247 # endif
1248 # ifdef IMAXBEL
1249 FOO (IMAXBEL, "IMAXBEL");
1250 # endif
1251
1252 fprintf (stderr, "\n");
1253
1254 # undef FOO
1255 # define FOO(entry, name) \
1256 fprintf (stderr, "%-8s = %#04o\n", name, tio->c_cc [entry])
1257
1258 FOO (VINTR, "VINTR");
1259 FOO (VQUIT, "VQUIT");
1260 FOO (VERASE, "VERASE");
1261 FOO (VKILL, "VKILL");
1262 FOO (VEOF, "VEOF");
1263 FOO (VEOL, "VEOL");
1264 # ifdef VEOL2
1265 FOO (VEOL2, "VEOL2");
1266 # endif
1267 # ifdef VSWTC
1268 FOO (VSWTC, "VSWTC");
1269 # endif
1270 # ifdef VSWTCH
1271 FOO (VSWTCH, "VSWTCH");
1272 # endif
1273 FOO (VSTART, "VSTART");
1274 FOO (VSTOP, "VSTOP");
1275 FOO (VSUSP, "VSUSP");
1276 # ifdef VDSUSP
1277 FOO (VDSUSP, "VDSUSP");
1278 # endif
1279 # ifdef VREPRINT
1280 FOO (VREPRINT, "VREPRINT");
1281 # endif
1282 # ifdef VDISCRD
1283 FOO (VDISCRD, "VDISCRD");
1284 # endif
1285 # ifdef VWERSE
1286 FOO (VWERSE, "VWERSE");
1287 # endif
1288 # ifdef VLNEXT
1289 FOO (VLNEXT, "VLNEXT");
1290 # endif
1291
1292 fprintf (stderr, "\n");
1293 # undef FOO
1294 # endif /* HAVE_TERMIOS_H */
1295 #endif /* DEBUG_TTYMODE */
1296 }
1297
1298 /*----------------------------------------------------------------------*/
1299 /*
1300 * Run the command in a subprocess and return a file descriptor for the
1301 * master end of the pseudo-teletype pair with the command talking to
1302 * the slave.
1303 */
1304 void
1305 rxvt_term::run_command (const char *const *argv)
1306 {
1307 #if ENABLE_FRILLS
1308 if (rs[Rs_pty_fd])
1309 {
1310 pty->pty = atoi (rs[Rs_pty_fd]);
1311
1312 if (pty->pty >= 0)
1313 {
1314 if (getfd_hook)
1315 pty->pty = (*getfd_hook) (pty->pty);
1316
1317 if (pty->pty < 0 || fcntl (pty->pty, F_SETFL, O_NONBLOCK))
1318 rxvt_fatal ("unusable pty-fd filehandle, aborting.\n");
1319 }
1320 }
1321 else
1322 #endif
1323 if (!pty->get ())
1324 rxvt_fatal ("can't initialize pseudo-tty, aborting.\n");
1325
1326 int er;
1327
1328 #ifndef NO_BACKSPACE_KEY
1329 if (rs[Rs_backspace_key][0] && !rs[Rs_backspace_key][1])
1330 er = rs[Rs_backspace_key][0];
1331 else if (strcmp (rs[Rs_backspace_key], "DEC") == 0)
1332 er = '\177'; /* the initial state anyway */
1333 else
1334 #endif
1335 er = -1;
1336
1337 rxvt_get_ttymode (&tio, er);
1338 SET_TERMIOS (pty->tty, &tio); /* init terminal attributes */
1339 pty->set_utf8_mode (enc_utf8);
1340
1341 /* set initial window size */
1342 tt_winch ();
1343
1344 #if ENABLE_FRILLS
1345 if (rs[Rs_pty_fd])
1346 return;
1347 #endif
1348
1349 /* spin off the command interpreter */
1350 switch (cmd_pid = fork ())
1351 {
1352 case -1:
1353 {
1354 cmd_pid = 0;
1355 rxvt_fatal ("can't fork, aborting.\n");
1356 }
1357 case 0:
1358 init_env ();
1359
1360 if (!pty->make_controlling_tty ())
1361 fprintf (stderr, "%s: could not obtain control of tty.", RESNAME);
1362 else
1363 {
1364 /* Reopen stdin, stdout and stderr over the tty file descriptor */
1365 dup2 (pty->tty, STDIN_FILENO);
1366 dup2 (pty->tty, STDOUT_FILENO);
1367 dup2 (pty->tty, STDERR_FILENO);
1368
1369 // close all our file handles that we do no longer need
1370 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
1371 {
1372 if ((*t)->pty->pty > 2) close ((*t)->pty->pty);
1373 if ((*t)->pty->tty > 2) close ((*t)->pty->tty);
1374 }
1375
1376 run_child (argv);
1377 fprintf (stderr, "%s: unable to exec child.", RESNAME);
1378 }
1379
1380 _exit (EXIT_FAILURE);
1381
1382 default:
1383 if (!option (Opt_utmpInhibit))
1384 pty->login (cmd_pid, option (Opt_loginShell), rs[Rs_display_name]);
1385
1386 pty->close_tty ();
1387
1388 child_ev.start (cmd_pid);
1389
1390 HOOK_INVOKE ((this, HOOK_CHILD_START, DT_INT, cmd_pid, DT_END));
1391 break;
1392 }
1393 }
1394
1395 /* ------------------------------------------------------------------------- *
1396 * CHILD PROCESS OPERATIONS *
1397 * ------------------------------------------------------------------------- */
1398 /*
1399 * The only open file descriptor is the slave tty - so no error messages.
1400 * returns are fatal
1401 */
1402 int
1403 rxvt_term::run_child (const char *const *argv)
1404 {
1405 char *login;
1406
1407 if (option (Opt_console))
1408 { /* be virtual console, fail silently */
1409 #ifdef TIOCCONS
1410 unsigned int on = 1;
1411
1412 ioctl (STDIN_FILENO, TIOCCONS, &on);
1413 #elif defined (SRIOCSREDIR)
1414 int fd;
1415
1416 fd = open (CONSOLE, O_WRONLY, 0);
1417 if (fd >= 0)
1418 if (ioctl (fd, SRIOCSREDIR, NULL) < 0)
1419 close (fd);
1420 #endif /* SRIOCSREDIR */
1421 }
1422
1423 /* reset signals and spin off the command interpreter */
1424 signal (SIGINT, SIG_DFL);
1425 signal (SIGQUIT, SIG_DFL);
1426 signal (SIGCHLD, SIG_DFL);
1427 signal (SIGHUP, SIG_DFL);
1428 signal (SIGPIPE, SIG_DFL);
1429 /*
1430 * mimick login's behavior by disabling the job control signals
1431 * a shell that wants them can turn them back on
1432 */
1433 #ifdef SIGTSTP
1434 signal (SIGTSTP, SIG_IGN);
1435 signal (SIGTTIN, SIG_IGN);
1436 signal (SIGTTOU, SIG_IGN);
1437 #endif /* SIGTSTP */
1438
1439 // unblock signals (signals are blocked by iom.C
1440 sigset_t ss;
1441 sigemptyset (&ss);
1442 sigprocmask (SIG_SETMASK, &ss, 0);
1443
1444 /* command interpreter path */
1445 if (argv)
1446 {
1447 # ifdef DEBUG_CMD
1448 int i;
1449
1450 for (i = 0; argv[i]; i++)
1451 fprintf (stderr, "argv [%d] = \"%s\"\n", i, argv[i]);
1452 # endif
1453
1454 execvp (argv[0], (char *const *)argv);
1455 /* no error message: STDERR is closed! */
1456 }
1457 else
1458 {
1459 const char *argv0, *shell;
1460
1461 if ((shell = getenv ("SHELL")) == NULL || *shell == '\0')
1462 shell = "/bin/sh";
1463
1464 argv0 = (const char *)rxvt_basename (shell);
1465
1466 if (option (Opt_loginShell))
1467 {
1468 login = (char *)rxvt_malloc (strlen (argv0) + 2);
1469
1470 login[0] = '-';
1471 strcpy (&login[1], argv0);
1472 argv0 = login;
1473 }
1474
1475 execlp (shell, argv0, (char *)0);
1476 /* no error message: STDERR is closed! */
1477 }
1478
1479 return -1;
1480 }
1481
1482 /*----------------------- end-of-file (C source) -----------------------*/