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import tigervnc-1.13.1-8.el8

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c8-beta imports/c8-beta/tigervnc-1.13.1-8.el8
MSVSphere Packaging Team 9 months ago
commit 30efb4556b
16 changed files with 2646 additions and 0 deletions
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1
.gitignore vendored
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SOURCES/tigervnc-1.13.1.tar.gz

1
.tigervnc.metadata
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6f7a23f14833f552c88523da1a5e102f3b8d35c2 SOURCES/tigervnc-1.13.1.tar.gz

24
SOURCES/0001-rpath-hack.patch
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From 2489f2f38eb32d9dd03718a36cbdbdf13d2f8b9b Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 12 Nov 2015 11:10:11 -0500
Subject: [PATCH] rpath hack
Normally, rpath is undesirable. But for the X server we _know_ we need
Mesa's libGL, which will always be in %{_libdir}, and not any third-party
libGL that may be configured using ld.so.conf.
---
configure.ac | 1 +
1 files changed, 1 insertions(+), 0 deletion(-)
diff --git a/configure.ac b/configure.ac
index fa15a2d..a5af1e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1261,6 +1261,7 @@ AM_CONDITIONAL(GLX, test "x$GLX" = xyes)
AM_CONDITIONAL(HASHTABLE, test "x$HASHTABLE" = xyes)
+GLX_SYS_LIBS="$GLX_SYS_LIBS -Wl,-rpath=\$(libdir)"
AC_SUBST([GLX_DEFINES])
AC_SUBST([GLX_SYS_LIBS])

19
SOURCES/10-libvnc.conf
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# This file contains configuration of libvnc.so module
#
# To get libvnc.so module working, do this:
# 1. run "vncpasswd" from tigervnc-server package as root user
# 2. uncomment configuration lines below
#
# Please note you can specify any option which Xvnc accepts.
# Refer to `Xvnc -help` output for detailed list of options.
#Section "Module"
# Load "vnc"
#EndSection
#Section "Screen"
# Identifier "Screen0"
# DefaultDepth 16
# Option "SecurityTypes" "VncAuth"
# Option "PasswordFile" "/root/.vnc/passwd"
#EndSection

13
SOURCES/tigervnc-dont-get-pointer-position-for-floating-device.patch
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diff --git a/unix/xserver/hw/vnc/vncInput.c b/unix/xserver/hw/vnc/vncInput.c
index b3d0926d..d36a096f 100644
--- a/unix/xserver/hw/vnc/vncInput.c
+++ b/unix/xserver/hw/vnc/vncInput.c
@@ -167,7 +167,7 @@ void vncPointerMove(int x, int y)
void vncGetPointerPos(int *x, int *y)
{
- if (vncPointerDev != NULL) {
+ if (vncPointerDev != NULL && !IsFloating(vncPointerDev)) {
ScreenPtr ptrScreen;
miPointerGetPosition(vncPointerDev, &cursorPosX, &cursorPosY);

51
SOURCES/tigervnc-dont-install-appstream-metadata-file.patch
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diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index 052cfb3..c84fb0e 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -14,7 +14,6 @@ if (GETTEXT_XGETTEXT_EXECUTABLE)
${PROJECT_SOURCE_DIR}/vncviewer/*.h
${PROJECT_SOURCE_DIR}/vncviewer/*.cxx
${PROJECT_SOURCE_DIR}/vncviewer/*.desktop.in.in
- ${PROJECT_SOURCE_DIR}/vncviewer/*.metainfo.xml.in
)
add_custom_target(translations_update
diff --git a/vncviewer/CMakeLists.txt b/vncviewer/CMakeLists.txt
index 15eac66..450b732 100644
--- a/vncviewer/CMakeLists.txt
+++ b/vncviewer/CMakeLists.txt
@@ -100,34 +100,6 @@ if(UNIX)
add_custom_target(desktop ALL DEPENDS vncviewer.desktop)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/vncviewer.desktop DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/applications)
- if("${GETTEXT_VERSION_STRING}" VERSION_GREATER 0.19.6)
- add_custom_command(OUTPUT org.tigervnc.vncviewer.metainfo.xml
- COMMAND ${GETTEXT_MSGFMT_EXECUTABLE}
- --xml --template ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in
- -d ${CMAKE_SOURCE_DIR}/po -o org.tigervnc.vncviewer.metainfo.xml
- DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in
- )
- elseif(INTLTOOL_MERGE_EXECUTABLE)
- add_custom_command(OUTPUT org.tigervnc.vncviewer.metainfo.xml
- COMMAND sed -e 's@<name>@<_name>@\;s@</name>@</_name>@'
- -e 's@<summary>@<_summary>@\;s@</summary>@</_summary>@'
- -e 's@<caption>@<_caption>@\;s@</caption>@</_caption>@'
- -e 's@<p>@<_p>@g\;s@</p>@</_p>@g'
- ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in > org.tigervnc.vncviewer.metainfo.xml.intl
- COMMAND ${INTLTOOL_MERGE_EXECUTABLE}
- -x ${CMAKE_SOURCE_DIR}/po
- org.tigervnc.vncviewer.metainfo.xml.intl org.tigervnc.vncviewer.metainfo.xml
- DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in
- )
- else()
- add_custom_command(OUTPUT org.tigervnc.vncviewer.metainfo.xml
- COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in org.tigervnc.vncviewer.metainfo.xml
- DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/org.tigervnc.vncviewer.metainfo.xml.in
- )
- endif()
- add_custom_target(appstream ALL DEPENDS org.tigervnc.vncviewer.metainfo.xml)
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/org.tigervnc.vncviewer.metainfo.xml DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/metainfo)
-
foreach(res 16 22 24 32 48 64 128)
install(FILES ../media/icons/tigervnc_${res}.png DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/icons/hicolor/${res}x${res}/apps RENAME tigervnc.png)
endforeach()

135
SOURCES/tigervnc-support-username-alias-in-plainusers.patch
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diff --git a/common/rfb/SSecurityPlain.cxx b/common/rfb/SSecurityPlain.cxx
index 6f65e87..3142ba3 100644
--- a/common/rfb/SSecurityPlain.cxx
+++ b/common/rfb/SSecurityPlain.cxx
@@ -27,6 +27,8 @@
#include <rdr/InStream.h>
#if !defined(WIN32) && !defined(__APPLE__)
#include <rfb/UnixPasswordValidator.h>
+#include <unistd.h>
+#include <pwd.h>
#endif
#ifdef WIN32
#include <rfb/WinPasswdValidator.h>
@@ -45,21 +47,22 @@ StringParameter PasswordValidator::plainUsers
bool PasswordValidator::validUser(const char* username)
{
- CharArray users(plainUsers.getValueStr()), user;
+ std::vector<std::string> users;
- while (users.buf) {
- strSplit(users.buf, ',', &user.buf, &users.buf);
-#ifdef WIN32
- if (0 == stricmp(user.buf, "*"))
- return true;
- if (0 == stricmp(user.buf, username))
- return true;
-#else
- if (!strcmp(user.buf, "*"))
- return true;
- if (!strcmp(user.buf, username))
- return true;
+ users = split(plainUsers, ',');
+
+ for (size_t i = 0; i < users.size(); i++) {
+ if (users[i] == "*")
+ return true;
+#if !defined(WIN32) && !defined(__APPLE__)
+ if (users[i] == "%u") {
+ struct passwd *pw = getpwnam(username);
+ if (pw && pw->pw_uid == getuid())
+ return true;
+ }
#endif
+ if (users[i] == username)
+ return true;
}
return false;
}
diff --git a/common/rfb/util.cxx b/common/rfb/util.cxx
index 649eb0b..cce73a0 100644
--- a/common/rfb/util.cxx
+++ b/common/rfb/util.cxx
@@ -99,6 +99,26 @@ namespace rfb {
return false;
}
+ std::vector<std::string> split(const char* src,
+ const char delimiter)
+ {
+ std::vector<std::string> out;
+ const char *start, *stop;
+
+ start = src;
+ do {
+ stop = strchr(start, delimiter);
+ if (stop == NULL) {
+ out.push_back(start);
+ } else {
+ out.push_back(std::string(start, stop-start));
+ start = stop + 1;
+ }
+ } while (stop != NULL);
+
+ return out;
+ }
+
bool strContains(const char* src, char c) {
int l=strlen(src);
for (int i=0; i<l; i++)
diff --git a/common/rfb/util.h b/common/rfb/util.h
index f0ac9ef..ed15c28 100644
--- a/common/rfb/util.h
+++ b/common/rfb/util.h
@@ -27,6 +27,9 @@
#include <limits.h>
#include <string.h>
+#include <string>
+#include <vector>
+
struct timeval;
#ifdef __GNUC__
@@ -76,6 +79,10 @@ namespace rfb {
// that part of the string. Obviously, setting both to 0 is not useful...
bool strSplit(const char* src, const char limiter, char** out1, char** out2, bool fromEnd=false);
+ // Splits a string with the specified delimiter
+ std::vector<std::string> split(const char* src,
+ const char delimiter);
+
// Returns true if src contains c
bool strContains(const char* src, char c);
diff --git a/unix/x0vncserver/x0vncserver.man b/unix/x0vncserver/x0vncserver.man
index c36ae34..78db730 100644
--- a/unix/x0vncserver/x0vncserver.man
+++ b/unix/x0vncserver/x0vncserver.man
@@ -125,8 +125,8 @@ parameter instead.
.B \-PlainUsers \fIuser-list\fP
A comma separated list of user names that are allowed to authenticate via
any of the "Plain" security types (Plain, TLSPlain, etc.). Specify \fB*\fP
-to allow any user to authenticate using this security type. Default is to
-deny all users.
+to allow any user to authenticate using this security type. Specify \fB%u\fP
+to allow the user of the server process. Default is to deny all users.
.
.TP
.B \-pam_service \fIname\fP, \-PAMService \fIname\fP
diff --git a/unix/xserver/hw/vnc/Xvnc.man b/unix/xserver/hw/vnc/Xvnc.man
index ea87dea..e9fb654 100644
--- a/unix/xserver/hw/vnc/Xvnc.man
+++ b/unix/xserver/hw/vnc/Xvnc.man
@@ -200,8 +200,8 @@ parameter instead.
.B \-PlainUsers \fIuser-list\fP
A comma separated list of user names that are allowed to authenticate via
any of the "Plain" security types (Plain, TLSPlain, etc.). Specify \fB*\fP
-to allow any user to authenticate using this security type. Default is to
-deny all users.
+to allow any user to authenticate using this security type. Specify \fB%u\fP
+to allow the user of the server process. Default is to deny all users.
.
.TP
.B \-pam_service \fIname\fP, \-PAMService \fIname\fP

17
SOURCES/tigervnc-use-dup-to-get-available-fd-for-inetd.patch
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diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c
index f8141959..c5c36539 100644
--- a/unix/xserver/hw/vnc/xvnc.c
+++ b/unix/xserver/hw/vnc/xvnc.c
@@ -366,8 +366,10 @@ ddxProcessArgument(int argc, char *argv[], int i)
if (strcmp(argv[i], "-inetd") == 0) {
int nullfd;
- dup2(0, 3);
- vncInetdSock = 3;
+ if ((vncInetdSock = dup(0)) == -1)
+ FatalError
+ ("Xvnc error: failed to allocate a new file descriptor for -inetd: %s\n", strerror(errno));
+
/* Avoid xserver >= 1.19's epoll-fd becoming fd 2 / stderr only to be
replaced by /dev/null by OsInit() because the pollfd is not

12
SOURCES/tigervnc-use-gnome-as-default-session.patch
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diff --git a/unix/vncserver/vncserver-config-defaults b/unix/vncserver/vncserver-config-defaults
index 0c217bf..2889347 100644
--- a/unix/vncserver/vncserver-config-defaults
+++ b/unix/vncserver/vncserver-config-defaults
@@ -13,3 +13,7 @@
# geometry=2000x1200
# localhost
# alwaysshared
+
+# Default to GNOME session
+# Note: change this only when you know what are you doing
+session=gnome

113
SOURCES/tigervnc-vncsession-restore-script-systemd-service.patch
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From 1919a8ab86c99b47ba86dc697abcdf3343b0aafa Mon Sep 17 00:00:00 2001
From: Jan Grulich <jgrulich@redhat.com>
Date: Tue, 1 Feb 2022 14:31:05 +0100
Subject: Add vncsession-restore script to restore SELinux context
The vncsession-restore script is used in the ExecStartPre option
for systemd service file in order to properly start the session
in case the policy is updated (e.g. after Tigervnc update).
diff --git a/unix/vncserver/CMakeLists.txt b/unix/vncserver/CMakeLists.txt
index ae69dc09..04eb6fc4 100644
--- a/unix/vncserver/CMakeLists.txt
+++ b/unix/vncserver/CMakeLists.txt
@@ -2,6 +2,7 @@ add_executable(vncsession vncsession.c)
target_link_libraries(vncsession ${PAM_LIBS} ${SELINUX_LIBS})
configure_file(vncserver@.service.in vncserver@.service @ONLY)
+configure_file(vncsession-restore.in vncsession-restore @ONLY)
configure_file(vncsession-start.in vncsession-start @ONLY)
configure_file(vncserver.in vncserver @ONLY)
configure_file(vncsession.man.in vncsession.man @ONLY)
@@ -20,4 +21,5 @@ install(FILES HOWTO.md DESTINATION ${CMAKE_INSTALL_FULL_DOCDIR})
if(INSTALL_SYSTEMD_UNITS)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/vncserver@.service DESTINATION ${CMAKE_INSTALL_FULL_UNITDIR})
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/vncsession-start DESTINATION ${CMAKE_INSTALL_FULL_LIBEXECDIR})
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/vncsession-restore DESTINATION ${CMAKE_INSTALL_FULL_LIBEXECDIR})
endif()
diff --git a/unix/vncserver/vncserver@.service.in b/unix/vncserver/vncserver@.service.in
index 39f81b73..a83e05a3 100644
--- a/unix/vncserver/vncserver@.service.in
+++ b/unix/vncserver/vncserver@.service.in
@@ -35,6 +35,7 @@ After=syslog.target network.target
[Service]
Type=forking
+ExecStartPre=+@CMAKE_INSTALL_FULL_LIBEXECDIR@/vncsession-restore %i
ExecStart=@CMAKE_INSTALL_FULL_LIBEXECDIR@/vncsession-start %i
PIDFile=/run/vncsession-%i.pid
SELinuxContext=system_u:system_r:vnc_session_t:s0
diff --git a/unix/vncserver/vncsession-restore.in b/unix/vncserver/vncsession-restore.in
new file mode 100644
index 00000000..d3abc57d
--- /dev/null
+++ b/unix/vncserver/vncsession-restore.in
@@ -0,0 +1,68 @@
+#!/bin/bash
+#
+# Copyright 2022 Jan Grulich <jgrulich@redhat.com>
+#
+# This 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 software 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 software; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+# USA.
+#
+
+USERSFILE="@CMAKE_INSTALL_FULL_SYSCONFDIR@/tigervnc/vncserver.users"
+
+if [ $# -ne 1 ]; then
+ echo "Syntax:" >&2
+ echo " $0 <display>" >&2
+ exit 1
+fi
+
+if [ ! -f "${USERSFILE}" ]; then
+ echo "Users file ${USERSFILE} missing" >&2
+ exit 1
+fi
+
+DISPLAY="$1"
+
+USER=`grep "^ *${DISPLAY}=" "${USERSFILE}" 2>/dev/null | head -1 | cut -d = -f 2- | sed 's/ *$//g'`
+
+if [ -z "${USER}" ]; then
+ echo "No user configured for display ${DISPLAY}" >&2
+ exit 1
+fi
+
+USER_HOMEDIR=`getent passwd ${USER} | cut -f6 -d:`
+
+if [ -z "${USER_HOMEDIR}" ]; then
+ echo "Failed to get home directory for ${USER}" >&2
+ exit 1
+fi
+
+if [ ! -d "${USER_HOMEDIR}/.vnc" ]; then
+ exit 0
+fi
+
+MATCHPATHCON=`which matchpathcon`
+
+if [ $? -eq 0 ]; then
+ ${MATCHPATHCON} -V "${USER_HOMEDIR}/.vnc" &>/dev/null
+ if [ $? -eq 0 ]; then
+ exit 0
+ fi
+fi
+
+RESTORECON=`which restorecon`
+
+if [ $? -eq 0 ]; then
+ exec "${RESTORECON}" -R "${USER_HOMEDIR}/.vnc" >&2
+ return $?
+fi

91
SOURCES/tigervnc-xserver120.patch
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diff -up xserver/configure.ac.xserver116-rebased xserver/configure.ac
--- xserver/configure.ac.xserver116-rebased 2016-09-29 13:14:45.595441590 +0200
+++ xserver/configure.ac 2016-09-29 13:14:45.631442006 +0200
@@ -74,6 +74,7 @@ dnl forcing an entire recompile.x
AC_CONFIG_HEADERS(include/version-config.h)
AM_PROG_AS
+AC_PROG_CXX
AC_PROG_LN_S
LT_PREREQ([2.2])
LT_INIT([disable-static win32-dll])
@@ -1863,6 +1864,10 @@ if test "x$XVFB" = xyes; then
AC_SUBST([XVFB_SYS_LIBS])
fi
+dnl Xvnc DDX
+AC_SUBST([XVNC_CPPFLAGS], ["-DHAVE_DIX_CONFIG_H $XSERVER_CFLAGS"])
+AC_SUBST([XVNC_LIBS], ["$FB_LIB $FIXES_LIB $XEXT_LIB $CONFIG_LIB $DBE_LIB $RECORD_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $DRI3_LIB $PRESENT_LIB $MIEXT_SYNC_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XKB_STUB_LIB $COMPOSITE_LIB $MAIN_LIB"])
+AC_SUBST([XVNC_SYS_LIBS], ["$GLX_SYS_LIBS"])
dnl Xnest DDX
@@ -1898,6 +1903,8 @@ if test "x$XORG" = xauto; then
fi
AC_MSG_RESULT([$XORG])
+AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version])
+
if test "x$XORG" = xyes; then
XORG_DDXINCS='-I$(top_srcdir)/hw/xfree86 -I$(top_srcdir)/hw/xfree86/include -I$(top_srcdir)/hw/xfree86/common'
XORG_OSINCS='-I$(top_srcdir)/hw/xfree86/os-support -I$(top_srcdir)/hw/xfree86/os-support/bus -I$(top_srcdir)/os'
@@ -2116,7 +2123,6 @@ if test "x$XORG" = xyes; then
AC_DEFINE(XORG_SERVER, 1, [Building Xorg server])
AC_DEFINE(XORGSERVER, 1, [Building Xorg server])
AC_DEFINE(XFree86Server, 1, [Building XFree86 server])
- AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version])
AC_DEFINE(NEED_XF86_TYPES, 1, [Need XFree86 typedefs])
AC_DEFINE(NEED_XF86_PROTOTYPES, 1, [Need XFree86 helper functions])
AC_DEFINE(__XSERVERNAME__, "Xorg", [Name of X server])
@@ -2691,6 +2697,7 @@ hw/dmx/Makefile
hw/dmx/man/Makefile
hw/vfb/Makefile
hw/vfb/man/Makefile
+hw/vnc/Makefile
hw/xnest/Makefile
hw/xnest/man/Makefile
hw/xwin/Makefile
diff -up xserver/hw/Makefile.am.xserver116-rebased xserver/hw/Makefile.am
--- xserver/hw/Makefile.am.xserver116-rebased 2016-09-29 13:14:45.601441659 +0200
+++ xserver/hw/Makefile.am 2016-09-29 13:14:45.631442006 +0200
@@ -38,7 +38,8 @@ SUBDIRS = \
$(DMX_SUBDIRS) \
$(KDRIVE_SUBDIRS) \
$(XQUARTZ_SUBDIRS) \
- $(XWAYLAND_SUBDIRS)
+ $(XWAYLAND_SUBDIRS) \
+ vnc
DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive xwayland
diff --git xserver/mi/miinitext.c xserver/mi/miinitext.c
index 5596e21..003fc3c 100644
--- xserver/mi/miinitext.c
+++ xserver/mi/miinitext.c
@@ -107,8 +107,15 @@ SOFTWARE.
#include "os.h"
#include "globals.h"
+#ifdef TIGERVNC
+extern void vncExtensionInit(INITARGS);
+#endif
+
/* List of built-in (statically linked) extensions */
static const ExtensionModule staticExtensions[] = {
+#ifdef TIGERVNC
+ {vncExtensionInit, "VNC-EXTENSION", NULL},
+#endif
{GEExtensionInit, "Generic Event Extension", &noGEExtension},
{ShapeExtensionInit, "SHAPE", NULL},
#ifdef MITSHM
--- xserver/include/os.h~ 2016-10-03 09:07:29.000000000 +0200
+++ xserver/include/os.h 2016-10-03 14:13:00.013654506 +0200
@@ -621,7 +621,7 @@
extern _X_EXPORT void
LogClose(enum ExitCode error);
extern _X_EXPORT Bool
-LogSetParameter(LogParameter param, int value);
+LogSetParameter(enum _LogParameter param, int value);
extern _X_EXPORT void
LogVWrite(int verb, const char *f, va_list args)
_X_ATTRIBUTE_PRINTF(2, 0);

903
SOURCES/vncserver
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#!/usr/bin/perl
#
# Copyright (C) 2009-2010 D. R. Commander. All Rights Reserved.
# Copyright (C) 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
# Copyright (C) 2002-2003 Constantin Kaplinsky. All Rights Reserved.
# Copyright (C) 2002-2005 RealVNC Ltd.
# Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
#
# This 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 software 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 software; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
# USA.
#
#
# vncserver - wrapper script to start an X VNC server.
#
# First make sure we're operating in a sane environment.
$exedir = "";
$slashndx = rindex($0, "/");
if($slashndx>=0) {
$exedir = substr($0, 0, $slashndx+1);
}
&SanityCheck();
&NotifyAboutDeprecation();
#
# Global variables. You may want to configure some of these for
# your site
#
$geometry = "1024x768";
#$depth = 16;
$vncUserDir = "$ENV{HOME}/.vnc";
$vncUserConfig = "$vncUserDir/config";
$vncSystemConfigDir = "/etc/tigervnc";
$vncSystemConfigDefaultsFile = "$vncSystemConfigDir/vncserver-config-defaults";
$vncSystemConfigMandatoryFile = "$vncSystemConfigDir/vncserver-config-mandatory";
$skipxstartup = 0;
$xauthorityFile = "$ENV{XAUTHORITY}" || "$ENV{HOME}/.Xauthority";
$xstartupFile = $vncUserDir . "/xstartup";
$defaultXStartup
= ("#!/bin/sh\n\n".
"unset SESSION_MANAGER\n".
"unset DBUS_SESSION_BUS_ADDRESS\n".
"/etc/X11/xinit/xinitrc\n".
"# Assume either Gnome will be started by default when installed\n".
"# We want to kill the session automatically in this case when user logs out. In case you modify\n".
"# /etc/X11/xinit/Xclients or ~/.Xclients yourself to achieve a different result, then you should\n".
"# be responsible to modify below code to avoid that your session will be automatically killed\n".
"if [ -e /usr/bin/gnome-session ]; then\n".
" vncserver -kill \$DISPLAY\n".
"fi\n");
$defaultConfig
= ("## Supported server options to pass to vncserver upon invocation can be listed\n".
"## in this file. See the following manpages for more: vncserver(1) Xvnc(1).\n".
"## Several common ones are shown below. Uncomment and modify to your liking.\n".
"##\n".
"# securitytypes=vncauth,tlsvnc\n".
"# desktop=sandbox\n".
"# geometry=2000x1200\n".
"# localhost\n".
"# alwaysshared\n");
chop($host = `uname -n`);
if (-d "/etc/X11/fontpath.d") {
$fontPath = "catalogue:/etc/X11/fontpath.d";
}
@fontpaths = ('/usr/share/X11/fonts', '/usr/share/fonts', '/usr/share/fonts/X11/');
if (! -l "/usr/lib/X11") {push(@fontpaths, '/usr/lib/X11/fonts');}
if (! -l "/usr/X11") {push(@fontpaths, '/usr/X11/lib/X11/fonts');}
if (! -l "/usr/X11R6") {push(@fontpaths, '/usr/X11R6/lib/X11/fonts');}
push(@fontpaths, '/usr/share/fonts/default');
@fonttypes = ('misc',
'75dpi',
'100dpi',
'Speedo',
'Type1');
foreach $_fpath (@fontpaths) {
foreach $_ftype (@fonttypes) {
if (-f "$_fpath/$_ftype/fonts.dir") {
if (! -l "$_fpath/$_ftype") {
$defFontPath .= "$_fpath/$_ftype,";
}
}
}
}
if ($defFontPath) {
if (substr($defFontPath, -1, 1) == ',') {
chop $defFontPath;
}
}
if ($fontPath eq "") {
$fontPath = $defFontPath;
}
# Check command line options
&ParseOptions("-geometry",1,"-depth",1,"-pixelformat",1,"-name",1,"-kill",1,
"-help",0,"-h",0,"--help",0,"-fp",1,"-list",0,"-fg",0,"-autokill",0,"-noxstartup",0,"-xstartup",1,"-fallbacktofreeport",0);
&Usage() if ($opt{'-help'} || $opt{'-h'} || $opt{'--help'});
&Kill() if ($opt{'-kill'});
&List() if ($opt{'-list'});
# Uncomment this line if you want default geometry, depth and pixelformat
# to match the current X display:
# &GetXDisplayDefaults();
if ($opt{'-geometry'}) {
$geometry = $opt{'-geometry'};
}
if ($opt{'-depth'}) {
$depth = $opt{'-depth'};
$pixelformat = "";
}
if ($opt{'-pixelformat'}) {
$pixelformat = $opt{'-pixelformat'};
}
if ($opt{'-noxstartup'}) {
$skipxstartup = 1;
}
if ($opt{'-xstartup'}) {
$xstartupFile = $opt{'-xstartup'};
}
if ($opt{'-fp'}) {
$fontPath = $opt{'-fp'};
$fpArgSpecified = 1;
}
&CheckGeometryAndDepth();
# Create the user's vnc directory if necessary.
if (!(-e $vncUserDir)) {
if (!mkdir($vncUserDir,0755)) {
die "$prog: Could not create $vncUserDir.\n";
}
}
# Find display number.
if ((@ARGV > 0) && ($ARGV[0] =~ /^:(\d+)$/)) {
$displayNumber = $1;
shift(@ARGV);
if (!&CheckDisplayNumber($displayNumber)) {
if ($opt{'-fallbacktofreeport'}) {
warn "A VNC server is already running as :$displayNumber\n";
$displayNumber = &GetDisplayNumber();
warn "Using port :$displayNumber as fallback\n";
} else {
die "A VNC server is already running as :$displayNumber\n";
}
}
} elsif ((@ARGV > 0) && ($ARGV[0] !~ /^-/) && ($ARGV[0] !~ /^\+/)) {
&Usage();
} else {
$displayNumber = &GetDisplayNumber();
}
$vncPort = 5900 + $displayNumber;
if ($opt{'-name'}) {
$desktopName = $opt{'-name'};
} else {
$desktopName = "$host:$displayNumber ($ENV{USER})";
}
my %default_opts;
my %config;
# We set some reasonable defaults. Config file settings
# override these where present.
$default_opts{desktop} = &quotedString($desktopName);
$default_opts{auth} = &quotedString($xauthorityFile);
$default_opts{geometry} = $geometry if ($geometry);
$default_opts{depth} = $depth if ($depth);
$default_opts{pixelformat} = $pixelformat if ($pixelformat);
$default_opts{rfbauth} = "$vncUserDir/passwd";
$default_opts{rfbport} = $vncPort;
$default_opts{fp} = $fontPath if ($fontPath);
$default_opts{pn} = "";
# Load user-overrideable system defaults
LoadConfig($vncSystemConfigDefaultsFile);
# Then the user's settings
LoadConfig($vncUserConfig);
# And then override anything set above if mandatory settings exist.
# WARNING: "Mandatory" is used loosely here! As the man page says,
# there is nothing stopping someone from EASILY subverting the
# settings in $vncSystemConfigMandatoryFile by simply passing
# CLI args to vncserver, which trump config files! To properly
# hard force policy in a non-subvertible way would require major
# development work that touches Xvnc itself.
LoadConfig($vncSystemConfigMandatoryFile, 1);
#
# Check whether VNC authentication is enabled, and if so, prompt the user to
# create a VNC password if they don't already have one.
#
$securityTypeArgSpecified = 0;
$vncAuthEnabled = 0;
$passwordArgSpecified = 0;
@vncAuthStrings = ("vncauth", "tlsvnc", "x509vnc");
# ...first we check our configuration files' settings
if ($config{'securitytypes'}) {
$securityTypeArgSpecified = 1;
foreach $arg2 (split(',', $config{'securitytypes'})) {
if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
$vncAuthEnabled = 1;
}
}
}
# ...and finally we check CLI args, which in the case of the topic at
# hand (VNC auth or not), override anything found in configuration files
# (even so-called "mandatory" settings).
for ($i = 0; $i < @ARGV; ++$i) {
# -SecurityTypes can be followed by a space or "="
my @splitargs = split('=', $ARGV[$i]);
if (@splitargs <= 1 && $i < @ARGV - 1) {
push(@splitargs, $ARGV[$i + 1]);
}
if (lc(@splitargs[0]) eq "-securitytypes") {
if (@splitargs > 1) {
$securityTypeArgSpecified = 1;
}
foreach $arg2 (split(',', @splitargs[1])) {
if (grep {$_ eq lc($arg2)} @vncAuthStrings) {
$vncAuthEnabled = 1;
}
}
}
if ((lc(@splitargs[0]) eq "-password")
|| (lc(@splitargs[0]) eq "-passwordfile"
|| (lc(@splitargs[0]) eq "-rfbauth"))) {
$passwordArgSpecified = 1;
}
}
if ((!$securityTypeArgSpecified || $vncAuthEnabled) && !$passwordArgSpecified) {
($z,$z,$mode) = stat("$vncUserDir/passwd");
if (!(-e "$vncUserDir/passwd") || ($mode & 077)) {
warn "\nYou will require a password to access your desktops.\n\n";
system($exedir."vncpasswd -q $vncUserDir/passwd");
if (($? >> 8) != 0) {
exit 1;
}
}
}
$desktopLog = "$vncUserDir/$host:$displayNumber.log";
unlink($desktopLog);
# Make an X server cookie and set up the Xauthority file
# mcookie is a part of util-linux, usually only GNU/Linux systems have it.
$cookie = `mcookie`;
# Fallback for non GNU/Linux OS - use /dev/urandom on systems that have it,
# otherwise use perl's random number generator, seeded with the sum
# of the current time, our PID and part of the encrypted form of the password.
if ($cookie eq "" && open(URANDOM, '<', '/dev/urandom')) {
my $randata;
if (sysread(URANDOM, $randata, 16) == 16) {
$cookie = unpack 'h*', $randata;
}
close(URANDOM);
}
if ($cookie eq "") {
srand(time+$$+unpack("L",`cat $vncUserDir/passwd`));
for (1..16) {
$cookie .= sprintf("%02x", int(rand(256)) % 256);
}
}
open(XAUTH, "|xauth -f $xauthorityFile source -");
print XAUTH "add $host:$displayNumber . $cookie\n";
print XAUTH "add $host/unix:$displayNumber . $cookie\n";
close(XAUTH);
# Now start the X VNC Server
# We build up our Xvnc command with options
$cmd = $exedir."Xvnc :$displayNumber";
foreach my $k (sort keys %config) {
$cmd .= " -$k $config{$k}";
delete $default_opts{$k}; # file options take precedence
}
foreach my $k (sort keys %default_opts) {
$cmd .= " -$k $default_opts{$k}";
}
# Add color database stuff here, e.g.:
# $cmd .= " -co /usr/lib/X11/rgb";
foreach $arg (@ARGV) {
$cmd .= " " . &quotedString($arg);
}
$cmd .= " >> " . &quotedString($desktopLog) . " 2>&1";
# Run $cmd and record the process ID.
$pidFile = "$vncUserDir/$host:$displayNumber.pid";
system("$cmd & echo \$! >$pidFile");
# Give Xvnc a chance to start up
sleep(3);
if ($fontPath ne $defFontPath) {
unless (kill 0, `cat $pidFile`) {
if ($fpArgSpecified) {
warn "\nWARNING: The first attempt to start Xvnc failed, probably because the font\n";
warn "path you specified using the -fp argument is incorrect. Attempting to\n";
warn "determine an appropriate font path for this system and restart Xvnc using\n";
warn "that font path ...\n";
} else {
warn "\nWARNING: The first attempt to start Xvnc failed, possibly because the font\n";
warn "catalog is not properly configured. Attempting to determine an appropriate\n";
warn "font path for this system and restart Xvnc using that font path ...\n";
}
$cmd =~ s@-fp [^ ]+@@;
$cmd .= " -fp $defFontPath" if ($defFontPath);
system("$cmd & echo \$! >$pidFile");
sleep(3);
}
}
unless (kill 0, `cat $pidFile`) {
warn "Could not start Xvnc.\n\n";
unlink $pidFile;
open(LOG, "<$desktopLog");
while (<LOG>) { print; }
close(LOG);
die "\n";
}
warn "\nNew '$desktopName' desktop is $host:$displayNumber\n\n";
# Create the user's xstartup script if necessary.
if (! $skipxstartup) {
if (!(-e "$xstartupFile")) {
warn "Creating default startup script $xstartupFile\n";
open(XSTARTUP, ">$xstartupFile");
print XSTARTUP $defaultXStartup;
close(XSTARTUP);
chmod 0755, "$xstartupFile";
}
}
# Create the user's config file if necessary.
if (!(-e "$vncUserDir/config")) {
warn "Creating default config $vncUserDir/config\n";
open(VNCUSERCONFIG, ">$vncUserDir/config");
print VNCUSERCONFIG $defaultConfig;
close(VNCUSERCONFIG);
chmod 0644, "$vncUserDir/config";
}
# Run the X startup script.
if (! $skipxstartup) {
warn "Starting applications specified in $xstartupFile\n";
}
warn "Log file is $desktopLog\n\n";
# If the unix domain socket exists then use that (DISPLAY=:n) otherwise use
# TCP (DISPLAY=host:n)
if (-e "/tmp/.X11-unix/X$displayNumber" ||
-e "/usr/spool/sockets/X11/$displayNumber")
{
$ENV{DISPLAY}= ":$displayNumber";
} else {
$ENV{DISPLAY}= "$host:$displayNumber";
}
$ENV{VNCDESKTOP}= $desktopName;
if ($opt{'-fg'}) {
if (! $skipxstartup) {
system("$xstartupFile >> " . &quotedString($desktopLog) . " 2>&1");
}
if (kill 0, `cat $pidFile`) {
$opt{'-kill'} = ':'.$displayNumber;
&Kill();
}
} else {
if ($opt{'-autokill'}) {
if (! $skipxstartup) {
system("($xstartupFile; $0 -kill :$displayNumber) >> "
. &quotedString($desktopLog) . " 2>&1 &");
}
} else {
if (! $skipxstartup) {
system("$xstartupFile >> " . &quotedString($desktopLog)
. " 2>&1 &");
}
}
}
exit;
###############################################################################
# Functions
###############################################################################
#
# Populate the global %config hash with settings from a specified
# vncserver configuration file if it exists
#
# Args: 1. file path
# 2. optional boolean flag to enable warning when a previously
# set configuration setting is being overridden
#
sub LoadConfig {
local ($configFile, $warnoverride) = @_;
local ($toggle) = undef;
if (stat($configFile)) {
if (open(IN, $configFile)) {
while (<IN>) {
next if /^#/;
if (my ($k, $v) = /^\s*(\w+)\s*=\s*(.+)$/) {
$k = lc($k); # must normalize key case
if ($k eq "session") {
next;
}
if ($warnoverride && $config{$k}) {
print("Warning: $configFile is overriding previously defined '$k' to be '$v'\n");
}
$config{$k} = $v;
} elsif ($_ =~ m/^\s*(\S+)/) {
# We can't reasonably warn on override of toggles (e.g. AlwaysShared)
# because it would get crazy to do so. We'd have to check if the
# current config file being loaded defined the logical opposite setting
# (NeverShared vs. AlwaysShared, etc etc).
$toggle = lc($1); # must normalize key case
$config{$toggle} = $k;
}
}
close(IN);
}
}
}
#
# CheckGeometryAndDepth simply makes sure that the geometry and depth values
# are sensible.
#
sub CheckGeometryAndDepth
{
if ($geometry =~ /^(\d+)x(\d+)$/) {
$width = $1; $height = $2;
if (($width<1) || ($height<1)) {
die "$prog: geometry $geometry is invalid\n";
}
$geometry = "${width}x$height";
} else {
die "$prog: geometry $geometry is invalid\n";
}
if ($depth && (($depth < 8) || ($depth > 32))) {
die "Depth must be between 8 and 32\n";
}
}
#
# GetDisplayNumber gets the lowest available display number. A display number
# n is taken if something is listening on the VNC server port (5900+n) or the
# X server port (6000+n).
#
sub GetDisplayNumber
{
foreach $n (1..99) {
if (&CheckDisplayNumber($n)) {
return $n+0; # Bruce Mah's workaround for bug in perl 5.005_02
}
}
die "$prog: no free display number on $host.\n";
}
#
# CheckDisplayNumber checks if the given display number is available. A
# display number n is taken if something is listening on the VNC server port
# (5900+n) or the X server port (6000+n).
#
sub CheckDisplayNumber
{
local ($n) = @_;
socket(S, $AF_INET, $SOCK_STREAM, 0) || die "$prog: socket failed: $!\n";
eval 'setsockopt(S, &SOL_SOCKET, &SO_REUSEADDR, pack("l", 1))';
if (!bind(S, pack('S n x12', $AF_INET, 6000 + $n))) {
close(S);
return 0;
}
close(S);
socket(S, $AF_INET, $SOCK_STREAM, 0) || die "$prog: socket failed: $!\n";
eval 'setsockopt(S, &SOL_SOCKET, &SO_REUSEADDR, pack("l", 1))';
if (!bind(S, pack('S n x12', $AF_INET, 5900 + $n))) {
close(S);
return 0;
}
close(S);
if (-e "/tmp/.X$n-lock") {
warn "\nWarning: $host:$n is taken because of /tmp/.X$n-lock\n";
warn "Remove this file if there is no X server $host:$n\n";
return 0;
}
if (-e "/tmp/.X11-unix/X$n") {
warn "\nWarning: $host:$n is taken because of /tmp/.X11-unix/X$n\n";
warn "Remove this file if there is no X server $host:$n\n";
return 0;
}
if (-e "/usr/spool/sockets/X11/$n") {
warn("\nWarning: $host:$n is taken because of ".
"/usr/spool/sockets/X11/$n\n");
warn "Remove this file if there is no X server $host:$n\n";
return 0;
}
return 1;
}
#
# GetXDisplayDefaults uses xdpyinfo to find out the geometry, depth and pixel
# format of the current X display being used. If successful, it sets the
# options as appropriate so that the X VNC server will use the same settings
# (minus an allowance for window manager decorations on the geometry). Using
# the same depth and pixel format means that the VNC server won't have to
# translate pixels when the desktop is being viewed on this X display (for
# TrueColor displays anyway).
#
sub GetXDisplayDefaults
{
local (@lines, @matchlines, $width, $height, $defaultVisualId, $i,
$red, $green, $blue);
$wmDecorationWidth = 4; # a guess at typical size for window manager
$wmDecorationHeight = 24; # decoration size
return if (!defined($ENV{DISPLAY}));
@lines = `xdpyinfo 2>/dev/null`;
return if ($? != 0);
@matchlines = grep(/dimensions/, @lines);
if (@matchlines) {
($width, $height) = ($matchlines[0] =~ /(\d+)x(\d+) pixels/);
$width -= $wmDecorationWidth;
$height -= $wmDecorationHeight;
$geometry = "${width}x$height";
}
@matchlines = grep(/default visual id/, @lines);
if (@matchlines) {
($defaultVisualId) = ($matchlines[0] =~ /id:\s+(\S+)/);
for ($i = 0; $i < @lines; $i++) {
if ($lines[$i] =~ /^\s*visual id:\s+$defaultVisualId$/) {
if (($lines[$i+1] !~ /TrueColor/) ||
($lines[$i+2] !~ /depth/) ||
($lines[$i+4] !~ /red, green, blue masks/))
{
return;
}
last;
}
}
return if ($i >= @lines);
($depth) = ($lines[$i+2] =~ /depth:\s+(\d+)/);
($red,$green,$blue)
= ($lines[$i+4]
=~ /masks:\s+0x([0-9a-f]+), 0x([0-9a-f]+), 0x([0-9a-f]+)/);
$red = hex($red);
$green = hex($green);
$blue = hex($blue);
if ($red > $blue) {
$red = int(log($red) / log(2)) - int(log($green) / log(2));
$green = int(log($green) / log(2)) - int(log($blue) / log(2));
$blue = int(log($blue) / log(2)) + 1;
$pixelformat = "rgb$red$green$blue";
} else {
$blue = int(log($blue) / log(2)) - int(log($green) / log(2));
$green = int(log($green) / log(2)) - int(log($red) / log(2));
$red = int(log($red) / log(2)) + 1;
$pixelformat = "bgr$blue$green$red";
}
}
}
#
# quotedString returns a string which yields the original string when parsed
# by a shell.
#
sub quotedString
{
local ($in) = @_;
$in =~ s/\'/\'\"\'\"\'/g;
return "'$in'";
}
#
# removeSlashes turns slashes into underscores for use as a file name.
#
sub removeSlashes
{
local ($in) = @_;
$in =~ s|/|_|g;
return "$in";
}
#
# Usage
#
sub Usage
{
die("\nusage: $prog [:<number>] [-name <desktop-name>] [-depth <depth>]\n".
" [-geometry <width>x<height>]\n".
" [-pixelformat rgbNNN|bgrNNN]\n".
" [-fp <font-path>]\n".
" [-cc <visual>]\n".
" [-fg]\n".
" [-autokill]\n".
" [-noxstartup]\n".
" [-xstartup <file>]\n".
" [-fallbacktofreeport]\n".
" <Xvnc-options>...\n\n".
" $prog -kill <X-display>\n\n".
" $prog -list\n\n");
}
#
# List
#
sub List
{
opendir(dir, $vncUserDir);
my @filelist = readdir(dir);
closedir(dir);
print "\nTigerVNC server sessions:\n\n";
print "X DISPLAY #\tPROCESS ID\n";
foreach my $file (@filelist) {
if ($file =~ /$host:(\d+)$\.pid/) {
chop($tmp_pid = `cat $vncUserDir/$file`);
if (kill 0, $tmp_pid) {
print ":".$1."\t\t".`cat $vncUserDir/$file`;
} else {
unlink ($vncUserDir . "/" . $file);
}
}
}
exit;
}
#
# Kill
#
sub Kill
{
$opt{'-kill'} =~ s/(:\d+)\.\d+$/$1/; # e.g. turn :1.0 into :1
if ($opt{'-kill'} =~ /^:\d+$/) {
$pidFile = "$vncUserDir/$host$opt{'-kill'}.pid";
} else {
if ($opt{'-kill'} !~ /^$host:/) {
die "\nCan't tell if $opt{'-kill'} is on $host\n".
"Use -kill :<number> instead\n\n";
}
$pidFile = "$vncUserDir/$opt{'-kill'}.pid";
}
if (! -r $pidFile) {
die "\nCan't find file $pidFile\n".
"You'll have to kill the Xvnc process manually\n\n";
}
$SIG{'HUP'} = 'IGNORE';
chop($pid = `cat $pidFile`);
warn "Killing Xvnc process ID $pid\n";
if (kill 0, $pid) {
system("kill $pid");
sleep(1);
if (kill 0, $pid) {
print "Xvnc seems to be deadlocked. Kill the process manually and then re-run\n";
print " ".$0." -kill ".$opt{'-kill'}."\n";
print "to clean up the socket files.\n";
exit
}
} else {
warn "Xvnc process ID $pid already killed\n";
$opt{'-kill'} =~ s/://;
if (-e "/tmp/.X11-unix/X$opt{'-kill'}") {
print "Xvnc did not appear to shut down cleanly.";
print " Removing /tmp/.X11-unix/X$opt{'-kill'}\n";
unlink "/tmp/.X11-unix/X$opt{'-kill'}";
}
if (-e "/tmp/.X$opt{'-kill'}-lock") {
print "Xvnc did not appear to shut down cleanly.";
print " Removing /tmp/.X$opt{'-kill'}-lock\n";
unlink "/tmp/.X$opt{'-kill'}-lock";
}
}
unlink $pidFile;
exit;
}
#
# ParseOptions takes a list of possible options and a boolean indicating
# whether the option has a value following, and sets up an associative array
# %opt of the values of the options given on the command line. It removes all
# the arguments it uses from @ARGV and returns them in @optArgs.
#
sub ParseOptions
{
local (@optval) = @_;
local ($opt, @opts, %valFollows, @newargs);
while (@optval) {
$opt = shift(@optval);
push(@opts,$opt);
$valFollows{$opt} = shift(@optval);
}
@optArgs = ();
%opt = ();
arg: while (defined($arg = shift(@ARGV))) {
foreach $opt (@opts) {
if ($arg eq $opt) {
push(@optArgs, $arg);
if ($valFollows{$opt}) {
if (@ARGV == 0) {
&Usage();
}
$opt{$opt} = shift(@ARGV);
push(@optArgs, $opt{$opt});
} else {
$opt{$opt} = 1;
}
next arg;
}
}
push(@newargs,$arg);
}
@ARGV = @newargs;
}
# Routine to make sure we're operating in a sane environment.
sub SanityCheck
{
local ($cmd);
# Get the program name
($prog) = ($0 =~ m|([^/]+)$|);
#
# Check we have all the commands we'll need on the path.
#
cmd:
foreach $cmd ("uname","xauth") {
for (split(/:/,$ENV{PATH})) {
if (-x "$_/$cmd") {
next cmd;
}
}
die "$prog: couldn't find \"$cmd\" on your PATH.\n";
}
if($exedir eq "") {
cmd2:
foreach $cmd ("Xvnc","vncpasswd") {
for (split(/:/,$ENV{PATH})) {
if (-x "$_/$cmd") {
next cmd2;
}
}
die "$prog: couldn't find \"$cmd\" on your PATH.\n";
}
}
else {
cmd3:
foreach $cmd ($exedir."Xvnc",$exedir."vncpasswd") {
for (split(/:/,$ENV{PATH})) {
if (-x "$cmd") {
next cmd3;
}
}
die "$prog: couldn't find \"$cmd\".\n";
}
}
if (!defined($ENV{HOME})) {
die "$prog: The HOME environment variable is not set.\n";
}
#
# Find socket constants. 'use Socket' is a perl5-ism, so we wrap it in an
# eval, and if it fails we try 'require "sys/socket.ph"'. If this fails,
# we just guess at the values. If you find perl moaning here, just
# hard-code the values of AF_INET and SOCK_STREAM. You can find these out
# for your platform by looking in /usr/include/sys/socket.h and related
# files.
#
chop($os = `uname`);
chop($osrev = `uname -r`);
eval 'use Socket';
if ($@) {
eval 'require "sys/socket.ph"';
if ($@) {
if (($os eq "SunOS") && ($osrev !~ /^4/)) {
$AF_INET = 2;
$SOCK_STREAM = 2;
} else {
$AF_INET = 2;
$SOCK_STREAM = 1;
}
} else {
$AF_INET = &AF_INET;
$SOCK_STREAM = &SOCK_STREAM;
}
} else {
$AF_INET = &AF_INET;
$SOCK_STREAM = &SOCK_STREAM;
}
}
sub NotifyAboutDeprecation
{
warn "\nWARNING: vncserver has been replaced by a systemd unit and is now considered deprecated and removed in upstream.\n";
warn "Please read /usr/share/doc/tigervnc/HOWTO.md for more information.\n";
}

32
SOURCES/xorg-CVE-2024-0229-followup.patch
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@ -0,0 +1,32 @@
From 133e0d651c5d12bf01999d6289e84e224ba77adc Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 22 Jan 2024 14:22:12 +1000
Subject: [PATCH] dix: fix valuator copy/paste error in the DeviceStateNotify
event
Fixes 219c54b8a3337456ce5270ded6a67bcde53553d5
---
dix/enterleave.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/dix/enterleave.c b/dix/enterleave.c
index 7b7ba1098b..c1e6ac600e 100644
--- a/dix/enterleave.c
+++ b/dix/enterleave.c
@@ -619,11 +619,11 @@ FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v,
ev->first_valuator = first;
switch (ev->num_valuators) {
case 6:
- ev->valuator2 = v->axisVal[first + 5];
+ ev->valuator5 = v->axisVal[first + 5];
case 5:
- ev->valuator2 = v->axisVal[first + 4];
+ ev->valuator4 = v->axisVal[first + 4];
case 4:
- ev->valuator2 = v->axisVal[first + 3];
+ ev->valuator3 = v->axisVal[first + 3];
case 3:
ev->valuator2 = v->axisVal[first + 2];
case 2:
--
GitLab

38
SOURCES/xvnc.service
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# The vncserver service unit file
#
# Quick HowTo:
# 1. Copy this file to /etc/systemd/system/xvnc@.service
# 2. Copy xvnc.socket to /etc/systemd/system/xvnc.socket
# 3. Run `systemctl daemon-reload`
# 4. Run `systemctl enable xvnc.socket`
#
# DO NOT RUN THIS SERVICE if your local area network is
# untrusted! For a secure way of using VNC, you should
# limit connections to the local host and then tunnel from
# the machine you want to view VNC on (host A) to the machine
# whose VNC output you want to view (host B)
#
# [user@hostA ~]$ ssh -v -C -L 590N:localhost:590M hostB
#
# this will open a connection on port 590N of your hostA to hostB's port 590M
# (in fact, it ssh-connects to hostB and then connects to localhost (on hostB).
# See the ssh man page for details on port forwarding)
#
# You can then point a VNC client on hostA at vncdisplay N of localhost and with
# the help of ssh, you end up seeing what hostB makes available on port 590M
#
# Use "-nolisten tcp" to prevent X connections to your VNC server via TCP.
#
# Use "-localhost" to prevent remote VNC clients connecting except when
# doing so through a secure tunnel. See the "-via" option in the
# `man vncviewer' manual page.
[Unit]
Description=XVNC Per-Connection Daemon
[Service]
ExecStart=-/usr/bin/Xvnc -inetd -query localhost -geometry 1024x768 -depth 24 -once -SecurityTypes=None -Log *:syslog:30
User=nobody
StandardInput=socket
StandardError=syslog

9
SOURCES/xvnc.socket
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[Unit]
Description=XVNC Server
[Socket]
ListenStream=5900
Accept=yes
[Install]
WantedBy=sockets.target

1187
SPECS/tigervnc.spec
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