summaryrefslogtreecommitdiffstats
path: root/kdm/kfrontend/kdm_greet.c
diff options
context:
space:
mode:
Diffstat (limited to 'kdm/kfrontend/kdm_greet.c')
-rw-r--r--kdm/kfrontend/kdm_greet.c787
1 files changed, 0 insertions, 787 deletions
diff --git a/kdm/kfrontend/kdm_greet.c b/kdm/kfrontend/kdm_greet.c
deleted file mode 100644
index f74c2410d..000000000
--- a/kdm/kfrontend/kdm_greet.c
+++ /dev/null
@@ -1,787 +0,0 @@
-/*
-
-KDE Greeter module for xdm
-
-Copyright (C) 2001-2003 Oswald Buddenhagen <ossi@kde.org>
-
-This file contains code from the old xdm core,
-Copyright 1988, 1998 Keith Packard, MIT X Consortium/The Open Group
-
-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
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-*/
-
-#include <config.h>
-
-#include "tdm_greet.h"
-#include "tdmconfig.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <string.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <ctype.h>
-#include <time.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#ifdef _POSIX_PRIORITY_SCHEDULING
-# include <sched.h>
-#endif
-
-# include <X11/Xlib.h>
-#if defined(HAVE_XTEST) || defined(HAVE_XKB)
-# include <X11/keysym.h>
-#endif
-
-#ifdef HAVE_XTEST
-# include <X11/extensions/XTest.h>
-#endif
-
-#ifdef HAVE_XKB
-# include <X11/XKBlib.h>
-#endif
-
-extern void LogOutOfMem( void );
-
-static void *
-Realloc( void *ptr, size_t size )
-{
- void *ret;
-
- if (!(ret = realloc( ptr, size )) && size)
- LogOutOfMem();
- return ret;
-}
-
-#define PRINT_QUOTES
-#define PRINT_ARRAYS
-#define LOG_NAME "tdm_greet"
-#define LOG_DEBUG_MASK DEBUG_GREET
-#define LOG_PANIC_EXIT 1
-#define STATIC
-#include <printf.c>
-
-static void
-GDebug( const char *fmt, ... )
-{
- va_list args;
-
- if (debugLevel & DEBUG_HLPCON) {
- va_start( args, fmt );
- Logger( DM_DEBUG, fmt, args );
- va_end( args );
- }
-}
-
-
-char *dname;
-
-int rfd;
-static int wfd, mrfd, mwfd, srfd, swfd;
-static const char *who;
-
-void
-GSet( int master )
-{
- if (master)
- rfd = mrfd, wfd = mwfd, who = "core (master)";
- else
- rfd = srfd, wfd = swfd, who = "core";
-
-}
-
-static int
-Reader( void *buf, int count )
-{
- int ret, rlen;
-
- for (rlen = 0; rlen < count; ) {
- dord:
- ret = read( rfd, (void *)((char *)buf + rlen), count - rlen );
- if (ret < 0) {
- if (errno == EINTR)
- goto dord;
- if (errno == EAGAIN)
- break;
- return -1;
- }
- if (!ret)
- break;
- rlen += ret;
- }
- return rlen;
-}
-
-static void
-GRead( void *buf, int count )
-{
- if (Reader( buf, count ) != count)
- LogPanic( "Can't read from %s\n", who );
-}
-
-static void
-GWrite( const void *buf, int count )
-{
- if (write( wfd, buf, count ) != count)
- LogPanic( "Can't write to %s\n", who );
-#ifdef _POSIX_PRIORITY_SCHEDULING
- if ((debugLevel & DEBUG_HLPCON))
- sched_yield();
-#endif
-}
-
-void
-GSendInt( int val )
-{
- GDebug( "Sending int %d (%#x) to %s\n", val, val, who );
- GWrite( &val, sizeof(val) );
-}
-
-void
-GSendStr( const char *buf )
-{
- int len = buf ? strlen( buf ) + 1 : 0;
- GDebug( "Sending string %'s to %s\n", buf, who );
- GWrite( &len, sizeof(len) );
- GWrite( buf, len );
-}
-
-/*
-static void
-GSendNStr( const char *buf, int len )
-{
- int tlen = len + 1;
- GDebug( "Sending string %'.*s to %s\n", len, buf, who );
- GWrite( &tlen, sizeof(tlen) );
- GWrite( buf, len );
- GWrite( "", 1 );
-}
-*/
-
-void
-GSendArr( int len, const char *buf )
-{
- GDebug( "Sending array %02[:*hhx to %s\n", len, buf, who );
- GWrite( &len, sizeof(len) );
- GWrite( buf, len );
-}
-
-int
-GRecvInt()
-{
- int val;
-
- GDebug( "Receiving int from %s ...\n", who );
- GRead( &val, sizeof(val) );
- GDebug( " -> %d (%#x)\n", val, val );
- return val;
-}
-
-static char *
-iGRecvArr( int *rlen )
-{
- int len;
- char *buf;
-
- GRead( &len, sizeof(len) );
- *rlen = len;
- GDebug( " -> %d bytes\n", len );
- if (!len)
- return (char *)0;
- if (!(buf = malloc( len )))
- LogPanic( "No memory for read buffer\n" );
- GRead( buf, len );
- return buf;
-}
-
-char *
-GRecvStr()
-{
- int len;
- char *buf;
-
- GDebug( "Receiving string from %s ...\n", who );
- buf = iGRecvArr( &len );
- GDebug( " -> %'.*s\n", len, buf );
- return buf;
-}
-
-char **
-GRecvStrArr( int *rnum )
-{
- int num;
- char **argv, **cargv;
-
- GDebug( "Receiving string array from %s ...\n", who );
- GRead( &num, sizeof(num) );
- GDebug( " -> %d strings\n", num );
- if (rnum)
- *rnum = num;
- if (!num)
- return (char **)0;
- if (!(argv = malloc( num * sizeof(char *))))
- LogPanic( "No memory for read buffer\n" );
- for (cargv = argv; --num >= 0; cargv++)
- *cargv = GRecvStr();
- return argv;
-}
-
-char *
-GRecvArr( int *num )
-{
- char *arr;
-
- GDebug( "Receiving array from %s ...\n", who );
- GRead( num, sizeof(*num) );
- GDebug( " -> %d bytes\n", *num );
- if (!*num)
- return (char *)0;
- if (!(arr = malloc( *num )))
- LogPanic( "No memory for read buffer\n" );
- GRead( arr, *num );
- GDebug( " -> %02[*hhx\n", *num, arr );
- return arr;
-}
-
-static void
-ReqCfg( int id )
-{
- GSendInt( G_GetCfg );
- GSendInt( id );
- switch (GRecvInt()) {
- case GE_NoEnt:
- LogPanic( "Config value %#x not available\n", id );
- case GE_BadType:
- LogPanic( "Core does not know type of config value %#x\n", id );
- }
-}
-
-int
-GetCfgInt( int id )
-{
- ReqCfg( id );
- return GRecvInt();
-}
-
-char *
-GetCfgStr( int id )
-{
- ReqCfg( id );
- return GRecvStr();
-}
-
-char **
-GetCfgStrArr( int id, int *len )
-{
- ReqCfg( id );
- return GRecvStrArr( len );
-}
-
-static void
-disposeSession( dpySpec *sess )
-{
- free( sess->display );
- free( sess->from );
- if (sess->user)
- free( sess->user );
- if (sess->session)
- free( sess->session );
-}
-
-dpySpec *
-fetchSessions( int flags )
-{
- dpySpec *sess, *sessions = 0, tsess;
-
- GSet( 1 );
- GSendInt( G_List );
- GSendInt( flags );
- next:
- while ((tsess.display = GRecvStr())) {
- tsess.from = GRecvStr();
-#ifdef HAVE_VTS
- tsess.vt = GRecvInt();
-#endif
- tsess.user = GRecvStr();
- tsess.session = GRecvStr();
- tsess.flags = GRecvInt();
- if ((tsess.flags & isTTY) && *tsess.from)
- for (sess = sessions; sess; sess = sess->next)
- if (sess->user && !strcmp( sess->user, tsess.user ) &&
- !strcmp( sess->from, tsess.from ))
- {
- sess->count++;
- disposeSession( &tsess );
- goto next;
- }
- if (!(sess = malloc( sizeof(*sess) )))
- LogPanic( "Out of memory\n" );
- tsess.count = 1;
- tsess.next = sessions;
- *sess = tsess;
- sessions = sess;
- }
- GSet( 0 );
- return sessions;
-}
-
-void
-disposeSessions( dpySpec *sess )
-{
- while (sess) {
- dpySpec *nsess = sess->next;
- disposeSession( sess );
- free( sess );
- sess = nsess;
- }
-}
-
-void
-freeStrArr( char **arr )
-{
- char **tarr;
-
- if (arr) {
- for (tarr = arr; *tarr; tarr++)
- free( *tarr );
- free( arr );
- }
-}
-
-
-static int
-ignoreErrors( Display *dpy ATTR_UNUSED, XErrorEvent *event ATTR_UNUSED )
-{
- Debug( "ignoring X error\n" );
- return 0;
-}
-
-/*
- * this is mostly bogus -- but quite useful. I wish the protocol
- * had some way of enumerating and identifying clients, that way
- * this code wouldn't have to be this kludgy.
- */
-
-static void
-killWindows( Display *dpy, Window window )
-{
- Window root, parent, *children;
- unsigned child, nchildren = 0;
-
- while (XQueryTree( dpy, window, &root, &parent, &children, &nchildren )
- && nchildren > 0)
- {
- for (child = 0; child < nchildren; child++) {
- Debug( "XKillClient 0x%lx\n", (unsigned long)children[child] );
- XKillClient( dpy, children[child] );
- }
- XFree( (char *)children );
- }
-}
-
-static jmp_buf resetJmp;
-
-static void
-abortReset( int n ATTR_UNUSED )
-{
- longjmp (resetJmp, 1);
-}
-
-/*
- * this display connection better not have any windows...
- */
-
-static void
-pseudoReset( Display *dpy )
-{
- int screen;
-
- if (setjmp( resetJmp )) {
- LogError( "pseudoReset timeout\n" );
- } else {
- (void)signal( SIGALRM, abortReset );
- (void)alarm( 30 );
- XSetErrorHandler( ignoreErrors );
- for (screen = 0; screen < ScreenCount( dpy ); screen++) {
- Debug( "pseudoReset screen %d\n", screen );
- killWindows( dpy, RootWindow( dpy, screen ) );
- }
- Debug( "before XSync\n" );
- XSync( dpy, False );
- (void)alarm( 0 );
- }
- signal( SIGALRM, SIG_DFL );
- XSetErrorHandler( (XErrorHandler)0 );
- Debug( "pseudoReset done\n" );
-}
-
-
-static jmp_buf syncJump;
-
-static void
-syncTimeout( int n ATTR_UNUSED )
-{
- longjmp( syncJump, 1 );
-}
-
-void
-SecureDisplay( Display *dpy )
-{
- Debug( "SecureDisplay %s\n", dname );
- (void)signal( SIGALRM, syncTimeout );
- if (setjmp( syncJump )) {
- LogError( "Display %s could not be secured\n", dname );
- exit( EX_RESERVER_DPY );
- }
- (void)alarm( (unsigned)_grabTimeout );
- Debug( "Before XGrabServer %s\n", dname );
- XGrabServer( dpy );
- Debug( "XGrabServer succeeded %s\n", dname );
- if (XGrabKeyboard( dpy, DefaultRootWindow( dpy ), True, GrabModeAsync,
- GrabModeAsync, CurrentTime ) != GrabSuccess)
- {
- (void)alarm( 0 );
- (void)signal( SIGALRM, SIG_DFL );
- LogError( "Keyboard on display %s could not be secured\n", dname );
- sleep( 10 );
- exit( EX_RESERVER_DPY );
- }
- (void)alarm( 0 );
- (void)signal( SIGALRM, SIG_DFL );
- pseudoReset( dpy );
- if (!_grabServer)
- {
- XUngrabServer( dpy );
- XSync( dpy, 0 );
- }
- Debug( "done secure %s\n", dname );
-#ifdef HAVE_XKBSETPERCLIENTCONTROLS
- /*
- * Activate the correct mapping for modifiers in XKB extension as
- * grabbed keyboard has its own mapping by default
- */
- {
- int opcode, evbase, errbase, majret, minret;
- unsigned int value = XkbPCF_GrabsUseXKBStateMask;
- if (XkbQueryExtension( dpy, &opcode, &evbase,
- &errbase, &majret, &minret ))
- XkbSetPerClientControls( dpy, value, &value );
- }
-#endif
-}
-
-void
-UnsecureDisplay( Display *dpy )
-{
- Debug( "Unsecure display %s\n", dname );
- if (_grabServer) {
- XUngrabServer( dpy );
- XSync( dpy, 0 );
- }
-}
-
-static jmp_buf pingTime;
-
-static int
-PingLostIOErr( Display *dpy ATTR_UNUSED )
-{
- longjmp( pingTime, 1 );
-}
-
-static void
-PingLostSig( int n ATTR_UNUSED )
-{
- longjmp( pingTime, 1 );
-}
-
-int
-PingServer( Display *dpy )
-{
- int (*oldError)( Display * );
- void (*oldSig)( int );
- int oldAlarm;
-
- oldError = XSetIOErrorHandler( PingLostIOErr );
- oldAlarm = alarm( 0 );
- oldSig = signal( SIGALRM, PingLostSig );
- (void)alarm( _pingTimeout * 60 );
- if (!setjmp( pingTime )) {
- Debug( "Ping server\n" );
- XSync( dpy, 0 );
- } else {
- Debug( "Server dead\n" );
- (void)alarm( 0 );
- (void)signal( SIGALRM, SIG_DFL );
- XSetIOErrorHandler( oldError );
- return 0;
- }
- (void)alarm( 0 );
- (void)signal( SIGALRM, oldSig );
- (void)alarm( oldAlarm );
- Debug( "Server alive\n" );
- XSetIOErrorHandler( oldError );
- return 1;
-}
-
-/*
- * Modifier changing code based on tdebase/kxkb/kcmmisc.cpp
- *
- * XTest part: Copyright (C) 2000-2001 Lubos Lunak <l.lunak@kde.org>
- * XKB part: Copyright (C) 2001-2002 Oswald Buddenhagen <ossi@kde.org>
- *
- */
-
-#ifdef HAVE_XKB
-static int
-xkb_init( Display *dpy )
-{
- int xkb_opcode, xkb_event, xkb_error;
- int xkb_lmaj = XkbMajorVersion;
- int xkb_lmin = XkbMinorVersion;
- return XkbLibraryVersion( &xkb_lmaj, &xkb_lmin ) &&
- XkbQueryExtension( dpy, &xkb_opcode, &xkb_event,
- &xkb_error, &xkb_lmaj, &xkb_lmin );
-}
-
-static unsigned int
-xkb_modifier_mask_work( XkbDescPtr xkb, const char *name )
-{
- int i;
-
- if (!xkb->names)
- return 0;
- for (i = 0; i < XkbNumVirtualMods; i++) {
- char *modStr = XGetAtomName( xkb->dpy, xkb->names->vmods[i] );
- if (modStr != NULL && strcmp( name, modStr ) == 0) {
- unsigned int mask;
- XkbVirtualModsToReal( xkb, 1 << i, &mask );
- return mask;
- }
- }
- return 0;
-}
-
-static unsigned int
-xkb_modifier_mask( Display *dpy, const char *name )
-{
- XkbDescPtr xkb;
-
- if ((xkb = XkbGetKeyboard( dpy, XkbAllComponentsMask, XkbUseCoreKbd ))) {
- unsigned int mask = xkb_modifier_mask_work( xkb, name );
- XkbFreeKeyboard( xkb, 0, True );
- return mask;
- }
- return 0;
-}
-
-static int
-xkb_get_modifier_state( Display *dpy, const char *name )
-{
- unsigned int mask;
- XkbStateRec state;
-
- if (!(mask = xkb_modifier_mask( dpy, name )))
- return 0;
- XkbGetState( dpy, XkbUseCoreKbd, &state );
- return (mask & state.locked_mods) != 0;
-}
-
-static int
-xkb_set_modifier( Display *dpy, const char *name, int sts )
-{
- unsigned int mask;
-
- if (!(mask = xkb_modifier_mask( dpy, name )))
- return 0;
- XkbLockModifiers( dpy, XkbUseCoreKbd, mask, sts ? mask : 0 );
- return 1;
-}
-#endif /* HAVE_XKB */
-
-#ifdef HAVE_XTEST
-static int
-xtest_get_modifier_state( Display *dpy, int key )
-{
- XModifierKeymap *map;
- KeyCode modifier_keycode;
- unsigned int i, mask;
- Window dummy1, dummy2;
- int dummy3, dummy4, dummy5, dummy6;
-
- if ((modifier_keycode = XKeysymToKeycode( dpy, key )) == NoSymbol)
- return 0;
- map = XGetModifierMapping( dpy );
- for (i = 0; i < 8; ++i)
- if (map->modifiermap[map->max_keypermod * i] == modifier_keycode) {
- XFreeModifiermap( map );
- XQueryPointer( dpy, DefaultRootWindow( dpy ),
- &dummy1, &dummy2, &dummy3, &dummy4, &dummy5, &dummy6,
- &mask );
- return (mask & (1 << i)) != 0;
- }
- XFreeModifiermap( map );
- return 0;
-}
-
-static void
-xtest_fake_keypress( Display *dpy, int key )
-{
- XTestFakeKeyEvent( dpy, XKeysymToKeycode( dpy, key ), True, CurrentTime );
- XTestFakeKeyEvent( dpy, XKeysymToKeycode( dpy, key ), False, CurrentTime );
-}
-#endif /* HAVE_XTEST */
-
-#ifdef HAVE_XKB
-static int havexkb;
-#endif
-static int nummodified, oldnumstate, newnumstate;
-static Display *dpy;
-
-void
-setup_modifiers( Display *mdpy, int numlock )
-{
- if (numlock == 2)
- return;
- newnumstate = numlock;
- nummodified = 1;
- dpy = mdpy;
-#ifdef HAVE_XKB
- if (xkb_init( mdpy )) {
- havexkb = 1;
- oldnumstate = xkb_get_modifier_state( mdpy, "NumLock" );
- xkb_set_modifier( mdpy, "NumLock", numlock );
- return;
- }
-#endif
-#ifdef HAVE_XTEST
- oldnumstate = xtest_get_modifier_state( mdpy, XK_Num_Lock );
- if (oldnumstate != numlock)
- xtest_fake_keypress( mdpy, XK_Num_Lock );
-#endif
-}
-
-void
-restore_modifiers( void )
-{
-#ifdef HAVE_XTEST
- int numstat;
-#endif
-
- if (!nummodified)
- return;
-#ifdef HAVE_XKB
- if (havexkb) {
- if (xkb_get_modifier_state( dpy, "NumLock" ) == newnumstate)
- xkb_set_modifier( dpy, "NumLock", oldnumstate );
- return;
- }
-#endif
-#ifdef HAVE_XTEST
- numstat = xtest_get_modifier_state( dpy, XK_Num_Lock );
- if (numstat == newnumstate && newnumstate != oldnumstate)
- xtest_fake_keypress( dpy, XK_Num_Lock );
-#endif
-}
-
-void
-setCursor( Display *mdpy, int window, int shape )
-{
- Cursor xcursor;
-
- if ((xcursor = XCreateFontCursor( mdpy, shape ))) {
- XDefineCursor( mdpy, window, xcursor );
- XFreeCursor( mdpy, xcursor );
- XFlush( mdpy );
- }
-}
-
-static void
-sigterm( int n ATTR_UNUSED )
-{
- exit( EX_NORMAL );
-}
-
-static char *savhome;
-
-static void
-cleanup( void )
-{
- char buf[128];
-
- if (strcmp( savhome, getenv( "HOME" ) ) || memcmp( savhome, "/tmp/", 5 ))
- LogError( "Internal error: memory corruption detected\n" ); /* no panic: recursion */
- else {
- sprintf( buf, "rm -rf %s", savhome );
- system( buf );
- }
-}
-
-extern void kg_main( const char *argv0 );
-
-int
-main( int argc ATTR_UNUSED, char **argv )
-{
- char *ci;
- int i;
- char qtrc[40];
-
- if (!(ci = getenv( "CONINFO" ))) {
- fprintf( stderr, "This program is part of tdm and should not be run manually.\n" );
- return 1;
- }
- if (sscanf( ci, "%d %d %d %d", &srfd, &swfd, &mrfd, &mwfd ) != 4)
- return 1;
- fcntl( srfd, F_SETFD, FD_CLOEXEC );
- fcntl( swfd, F_SETFD, FD_CLOEXEC );
- fcntl( mrfd, F_SETFD, FD_CLOEXEC );
- fcntl( mwfd, F_SETFD, FD_CLOEXEC );
- GSet( 0 );
-
- InitLog();
-
- if ((debugLevel = GRecvInt()) & DEBUG_WGREET)
- sleep( 100 );
-
- signal( SIGTERM, sigterm );
-
- dname = getenv( "DISPLAY" );
-
- init_config();
-
- /* for TQSettings */
- srand( time( 0 ) );
- for (i = 0; i < 10000; i++) {
- sprintf( qtrc, "/tmp/%010d", rand() );
- if (!mkdir( qtrc, 0700 ))
- goto okay;
- }
- LogPanic( "Cannot create $HOME\n" );
- okay:
- if (setenv( "HOME", qtrc, 1 ))
- LogPanic( "Cannot set $HOME\n" );
- if (!(savhome = strdup( qtrc )))
- LogPanic( "Cannot save $HOME\n" );
- atexit( cleanup );
-
- setenv( "LC_ALL", _language, 1 );
-
- kg_main( argv[0] );
-
- return EX_NORMAL;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-08-29 02:33:08 +0000