--- rxvt-unicode/src/main.C 2005/12/21 19:50:16 1.151 +++ rxvt-unicode/src/main.C 2006/01/22 00:48:13 1.195 @@ -13,7 +13,7 @@ * Copyright (c) 1997,1998 Oezguer Kesim * Copyright (c) 1998-2001 Geoff Wing * - extensive modifications - * Copyright (c) 2003-2004 Marc Lehmann + * Copyright (c) 2003-2006 Marc Lehmann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -32,6 +32,8 @@ #include "../config.h" /* NECESSARY */ #include "rxvt.h" /* NECESSARY */ +#include "keyboard.h" +#include "rxvtperl.h" #include @@ -46,16 +48,15 @@ # include #endif -#ifdef KEYSYM_RESOURCE -# include "keyboard.h" -#endif - vector rxvt_term::termlist; -static char curlocale[128]; +// used to tell global functions which terminal instance is "active" +rxvt_t rxvt_current_term; + +static char curlocale[128], savelocale[128]; bool -rxvt_set_locale (const char *locale) +rxvt_set_locale (const char *locale) NOTHROW { if (!locale || !strncmp (locale, curlocale, 128)) return false; @@ -65,6 +66,19 @@ return true; } +void +rxvt_push_locale (const char *locale) NOTHROW +{ + strcpy (savelocale, curlocale); + rxvt_set_locale (locale); +} + +void +rxvt_pop_locale () NOTHROW +{ + rxvt_set_locale (savelocale); +} + #if ENABLE_COMBINING class rxvt_composite_vec rxvt_composite; @@ -137,9 +151,6 @@ #ifdef HAVE_SCROLLBARS scrollbar_ev (this, &rxvt_term::x_cb), #endif -#ifdef MENUBAR - menubar_ev (this, &rxvt_term::x_cb), -#endif #ifdef CURSOR_BLINK cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), #endif @@ -161,8 +172,12 @@ #ifdef USE_XIM im_ev (this, &rxvt_term::im_cb), #endif +#ifndef NO_BELL + bell_ev (this, &rxvt_term::bell_cb), +#endif termwin_ev (this, &rxvt_term::x_cb), vt_ev (this, &rxvt_term::x_cb), + child_ev (this, &rxvt_term::child_cb), check_ev (this, &rxvt_term::check_cb), flush_ev (this, &rxvt_term::flush_cb), destroy_ev (this, &rxvt_term::destroy_cb), @@ -175,9 +190,6 @@ #ifdef KEYSYM_RESOURCE keyboard = new keyboard_manager; - - if (!keyboard) - rxvt_fatal ("out of memory, aborting.\n"); #endif } @@ -188,11 +200,7 @@ if (cmd_pid) kill (-cmd_pid, SIGHUP); -#ifdef UTMP_SUPPORT - privileged_utmp (RESTORE); -#endif - - pty.put (); + delete pty; pty = 0; } rxvt_term::~rxvt_term () @@ -217,9 +225,6 @@ #ifdef USE_XIM im_destroy (); #endif -#ifdef MENUBAR - if (menubarGC) XFreeGC (disp, menubarGC); -#endif #ifdef XTERM_SCROLLBAR if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); if (ShadowGC) XFreeGC (disp, ShadowGC); @@ -239,18 +244,13 @@ if (upArrowHi) XFreePixmap (disp, upArrowHi); if (downArrowHi) XFreePixmap (disp, downArrowHi); #endif -#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) +#ifdef RXVT_SCROLLBAR if (topShadowGC) XFreeGC (disp, topShadowGC); if (botShadowGC) XFreeGC (disp, botShadowGC); if (scrollbarGC) XFreeGC (disp, scrollbarGC); #endif if (gc) XFreeGC (disp, gc); -#if defined(MENUBAR) && (MENUBAR_MAX > 1) - delete menuBar.drawable; - //if (menuBar.win) - // XDestroyWindow (disp, menuBar.win); -#endif delete drawable; // destroy all windows if (parent[0]) @@ -258,7 +258,6 @@ } // TODO: free pixcolours, colours should become part of rxvt_display - delete pix_colors_focused; #if OFF_FOCUS_FADING delete pix_colors_unfocused; @@ -290,12 +289,27 @@ #endif } +// child has exited, usually destroys +void +rxvt_term::child_cb (child_watcher &w, int status) +{ + HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); + + cmd_pid = 0; + + if (!OPTION (Opt_hold)) + destroy (); +} + void rxvt_term::destroy () { if (destroy_ev.active) return; + if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END))) + return; + #if ENABLE_OVERLAY scr_overlay_off (); #endif @@ -308,9 +322,6 @@ #if HAVE_SCROLLBARS scrollbar_ev.stop (display); #endif -#if MENUBAR - menubar_ev.stop (display); -#endif #if TRANSPARENT rootwin_ev.stop (display); #endif @@ -343,7 +354,7 @@ void rxvt_term::destroy_cb (time_watcher &w) { - SET_R (this); + make_current (); delete this; } @@ -441,11 +452,13 @@ /*----------------------------------------------------------------------*/ bool -rxvt_term::init (int argc, const char *const *argv) +rxvt_term::init (int argc, const char *const *argv, stringvec *envv) { - SET_R (this); + this->envv = envv; + SET_R (this); set_locale (""); + set_environ (envv); // few things in X do not call setlocale :( if (!init_vars ()) return false; @@ -458,36 +471,31 @@ keyboard->register_done (); #endif -#if MENUBAR_MAX - menubar_read (rs[Rs_menu]); -#endif #ifdef HAVE_SCROLLBARS - if (options & Opt_scrollBar) + if (OPTION (Opt_scrollBar)) scrollBar.setIdle (); /* set existence for size calculations */ #endif + pty = ptytty_new (); + create_windows (argc, argv); dDisp; init_xlocale (); - scr_reset (); /* initialize screen */ + scr_reset (); // initialize screen #if 0 XSynchronize (disp, True); #endif #ifdef HAVE_SCROLLBARS - if (options & Opt_scrollBar) + if (OPTION (Opt_scrollBar)) resize_scrollbar (); /* create and map scrollbar */ #endif -#if (MENUBAR_MAX) - if (menubar_visible ()) - XMapWindow (disp, menuBar.win); -#endif #ifdef TRANSPARENT - if (options & Opt_transparent) + if (OPTION (Opt_transparent)) { XSelectInput (disp, display->root, PropertyChangeMask); check_our_parents (); @@ -495,40 +503,29 @@ } #endif - XMapWindow (disp, vt); - XMapWindow (disp, parent[0]); - set_colorfgbg (); init_command (cmd_argv); free (cmd_argv); - pty_ev.start (pty.pty, EVENT_READ); + if (pty->pty >= 0) + pty_ev.start (pty->pty, EVENT_READ); check_ev.start (); + HOOK_INVOKE ((this, HOOK_START, DT_END)); + + XMapWindow (disp, vt); + XMapWindow (disp, parent[0]); + return true; } static struct sig_handlers { - sig_watcher sw_chld, sw_term, sw_int; + sig_watcher sw_term, sw_int; - void sig_chld (sig_watcher &w) - { - // we are being called for every SIGCHLD, find the corresponding term - int pid; - - while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) - for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) - if (pid == (*t)->cmd_pid) - { - (*t)->destroy (); - break; - } - } - /* * Catch a fatal signal and tidy up before quitting */ @@ -544,30 +541,53 @@ } sig_handlers () - : sw_chld (this, &sig_handlers::sig_chld), - sw_term (this, &sig_handlers::sig_term), + : sw_term (this, &sig_handlers::sig_term), sw_int (this, &sig_handlers::sig_term) { } } sig_handlers; +char **rxvt_environ; // startup environment + void rxvt_init () { - /* - * Save and then give up any super-user privileges - * If we need privileges in any area then we must specifically request it. - * We should only need to be root in these cases: - * 1. write utmp entries on some systems - * 2. chown tty on some systems - */ - rxvt_privileges (SAVE); - rxvt_privileges (IGNORE); + uid_t uid = getuid (); + gid_t gid = getgid (); + + // before doing anything else, check for setuid/setgid operation, + // start the helper process and drop privileges + if (uid != geteuid () + || gid != getegid ()) + { +#if PTYTTY_HELPER + ptytty_server (); +#else + rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n"); +#endif + + // drop privileges +#if HAVE_SETRESUID + setresgid (gid, gid, gid); + setresuid (uid, uid, uid); +#elif HAVE_SETREUID + setregid (gid, gid); + setreuid (uid, uid); +#elif HAVE_SETUID + setgid (gid); + setuid (uid); +#endif + + if (uid != geteuid () + || gid != getegid ()) + rxvt_fatal ("unable to drop privileges, aborting.\n"); + } + + rxvt_environ = environ; signal (SIGHUP, SIG_IGN); signal (SIGPIPE, SIG_IGN); - sig_handlers.sw_chld.start (SIGCHLD); sig_handlers.sw_term.start (SIGTERM); sig_handlers.sw_int.start (SIGINT); @@ -577,6 +597,8 @@ old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); // TODO: handle this with exceptions and tolerate the memory loss XSetIOErrorHandler (rxvt_xioerror_handler); + + XrmInitialize (); } /* ------------------------------------------------------------------------- * @@ -604,7 +626,7 @@ return p; } -void * +void * rxvt_realloc (void *ptr, size_t size) { void *p = realloc (ptr, size); @@ -615,80 +637,6 @@ return p; } -/* ------------------------------------------------------------------------- * - * PRIVILEGED OPERATIONS * - * ------------------------------------------------------------------------- */ -/* take care of suid/sgid super-user (root) privileges */ -void -rxvt_privileges (rxvt_privaction action) -{ -#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) - static uid_t euid; - static gid_t egid; -#endif - -#if ! defined(__CYGWIN32__) -# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) - /* setreuid () is the poor man's setuid (), seteuid () */ -# define seteuid(a) setreuid(-1, (a)) -# define setegid(a) setregid(-1, (a)) -# define HAVE_SETEUID -# endif -# ifdef HAVE_SETEUID - switch (action) - { - case IGNORE: - /* - * change effective uid/gid - not real uid/gid - so we can switch - * back to root later, as required - */ - seteuid (getuid ()); - setegid (getgid ()); - break; - case SAVE: - euid = geteuid (); - egid = getegid (); - break; - case RESTORE: - seteuid (euid); - setegid (egid); - break; - } -# else - switch (action) - { - case IGNORE: - setuid (getuid ()); - setgid (getgid ()); - /* FALLTHROUGH */ - case SAVE: - /* FALLTHROUGH */ - case RESTORE: - break; - } -# endif -#endif -} - -#ifdef UTMP_SUPPORT -void -rxvt_term::privileged_utmp (rxvt_privaction action) -{ - if ((options & Opt_utmpInhibit) - || !pty.name || !*pty.name) - return; - - rxvt_privileges (RESTORE); - - if (action == SAVE) - makeutent (pty.name, rs[Rs_display_name]); - else - cleanutent (); - - rxvt_privileges (IGNORE); -} -#endif - /*----------------------------------------------------------------------*/ /* * window size/position calculcations for XSizeHint and other storage. @@ -698,7 +646,7 @@ rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) { short recalc_x, recalc_y; - int x, y, sb_w, mb_h, flags; + int x, y, sb_w, flags; unsigned int w, h; unsigned int max_width, max_height; dDisp; @@ -769,24 +717,17 @@ szHint.base_width = szHint.base_height = 2 * int_bwidth; - sb_w = mb_h = 0; + sb_w = 0; window_vt_x = window_vt_y = int_bwidth; - if (scrollbar_visible ()) + if (scrollBar.state) { sb_w = scrollbar_TotalWidth (); szHint.base_width += sb_w; - if (!(options & Opt_scrollBar_right)) + if (!OPTION (Opt_scrollBar_right)) window_vt_x += sb_w; } - if (menubar_visible ()) - { - mb_h = menuBar_TotalHeight (); - szHint.base_height += mb_h; - window_vt_y += mb_h; - } - szHint.width_inc = fwidth; szHint.height_inc = fheight; szHint.min_width = szHint.base_width + szHint.width_inc; @@ -814,7 +755,7 @@ szHint.height = szHint.base_height + height; } - if (scrollbar_visible () && (options & Opt_scrollBar_right)) + if (scrollBar.state && OPTION (Opt_scrollBar_right)) window_sb_x = szHint.width - sb_w; if (recalc_x) @@ -838,7 +779,7 @@ void rxvt_term::tt_winch () { - if (pty.pty < 0) + if (pty->pty < 0) return; struct winsize ws; @@ -847,7 +788,7 @@ ws.ws_row = nrow; ws.ws_xpixel = width; ws.ws_ypixel = height; - (void)ioctl (pty.pty, TIOCSWINSZ, &ws); + (void)ioctl (pty->pty, TIOCSWINSZ, &ws); #if 0 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly @@ -893,7 +834,7 @@ fwidth = prop.width; fheight = prop.height; - fbase = (*fs)[1]->ascent; + fbase = prop.ascent; for (int style = 1; style < 4; style++) { @@ -937,7 +878,6 @@ void rxvt_term::set_string_property (Atom prop, const char *str, int len) { - // TODO: SMART_WINDOW_TITLE XChangeProperty (display->display, parent[0], prop, XA_STRING, 8, PropModeReplace, (const unsigned char *)str, len >= 0 ? len : strlen (str)); @@ -945,7 +885,6 @@ void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) { - // TODO: SMART_WINDOW_TITLE wchar_t *ws = rxvt_mbstowcs (str, len); char *s = rxvt_wcstoutf8 (ws); @@ -996,11 +935,9 @@ if (i >= 8 && i <= 15) { /* bright colors */ i -= 8; -# ifndef NO_BRIGHTCOLOR pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; SET_PIXCOLOR (idx); goto done; -# endif } if (i >= 0 && i <= 7) @@ -1183,7 +1120,7 @@ if (fix_screen || newwidth != old_width || newheight != old_height) { - if (scrollbar_visible ()) + if (scrollBar.state) { XMoveResizeWindow (disp, scrollBar.win, window_sb_x, 0, @@ -1191,14 +1128,9 @@ resize_scrollbar (); } - if (menubar_visible ()) - XMoveResizeWindow (disp, menuBar.win, - window_vt_x, 0, - TermWin_TotalWidth (), menuBar_TotalHeight ()); - XMoveResizeWindow (disp, vt, window_vt_x, window_vt_y, - TermWin_TotalWidth (), TermWin_TotalHeight ()); + width, height); scr_clear (); #ifdef XPM_BACKGROUND @@ -1389,6 +1321,8 @@ char **s; XIMStyles *xim_styles; + set_environ (envv); + if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) return false; @@ -1563,7 +1497,7 @@ char **s; char buf[IMBUFSIZ]; - SET_R (this); + make_current (); im_destroy (); @@ -1650,7 +1584,4 @@ } #endif /* USE_XIM */ -/*----------------------------------------------------------------------*/ -rxvt_t rxvt_current_term; - /*----------------------- end-of-file (C source) -----------------------*/