import tigervnc-1.11.0-21.el9
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
cd8ea7e8db
commit
65993ddba1
26
SOURCES/tigervnc-root-user-selinux-context.patch
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26
SOURCES/tigervnc-root-user-selinux-context.patch
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@ -0,0 +1,26 @@
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From faf81b4b238e24fe29eb53f885a25367e212dd7b Mon Sep 17 00:00:00 2001
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From: Zdenek Pytela <zpytela@redhat.com>
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Date: Mon, 7 Feb 2022 10:45:41 +0100
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Subject: [PATCH] SELinux: use /root/.vnc in file context specification
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Instead of HOME_ROOT/.vnc, /root/.vnc should be used
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for user root's home to specify default file context
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as HOME_ROOT actually means base for home dirs (usually /home).
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---
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unix/vncserver/selinux/vncsession.fc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/unix/vncserver/selinux/vncsession.fc b/unix/vncserver/selinux/vncsession.fc
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index ae768ba..5c03e46 100644
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--- a/unix/vncserver/selinux/vncsession.fc
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+++ b/unix/vncserver/selinux/vncsession.fc
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@@ -18,7 +18,7 @@
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#
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HOME_DIR/\.vnc(/.*)? gen_context(system_u:object_r:xdm_home_t,s0)
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-HOME_ROOT/\.vnc(/.*)? gen_context(system_u:object_r:xdm_home_t,s0)
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+/root/\.vnc(/.*)? gen_context(system_u:object_r:xdm_home_t,s0)
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/usr/sbin/vncsession -- gen_context(system_u:object_r:vnc_session_exec_t,s0)
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/usr/libexec/vncsession-start -- gen_context(system_u:object_r:vnc_session_exec_t,s0)
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@ -0,0 +1,81 @@
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From d2d52704624ce841f4a392fccd82079d87ff13b6 Mon Sep 17 00:00:00 2001
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From: Jan Grulich <jgrulich@redhat.com>
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Date: Thu, 11 Nov 2021 13:52:41 +0100
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Subject: [PATCH] SELinux: restore SELinux context in case of different
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policies
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---
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CMakeLists.txt | 13 +++++++++++++
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unix/vncserver/CMakeLists.txt | 2 +-
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unix/vncserver/vncsession.c | 16 ++++++++++++++++
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3 files changed, 30 insertions(+), 1 deletion(-)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 7bf9944..85be468 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -276,6 +276,19 @@ if(UNIX AND NOT APPLE)
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endif()
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endif()
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+# Check for SELinux library
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+if(UNIX AND NOT APPLE)
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+ check_include_files(selinux/selinux.h HAVE_SELINUX_H)
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+ if(HAVE_SELINUX_H)
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+ set(CMAKE_REQUIRED_LIBRARIES -lselinux)
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+ set(CMAKE_REQUIRED_LIBRARIES)
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+ set(SELINUX_LIBS selinux)
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+ add_definitions("-DHAVE_SELINUX")
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+ else()
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+ message(WARNING "Could not find SELinux development files")
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+ endif()
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+endif()
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+
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# Generate config.h and make sure the source finds it
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configure_file(config.h.in config.h)
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add_definitions(-DHAVE_CONFIG_H)
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diff --git a/unix/vncserver/CMakeLists.txt b/unix/vncserver/CMakeLists.txt
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index eeb4b7b..bce1c3e 100644
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--- a/unix/vncserver/CMakeLists.txt
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+++ b/unix/vncserver/CMakeLists.txt
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@@ -1,5 +1,5 @@
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add_executable(vncsession vncsession.c)
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-target_link_libraries(vncsession ${PAM_LIBS})
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+target_link_libraries(vncsession ${PAM_LIBS} ${SELINUX_LIBS})
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configure_file(vncserver@.service.in vncserver@.service @ONLY)
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configure_file(vncsession-start.in vncsession-start @ONLY)
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diff --git a/unix/vncserver/vncsession.c b/unix/vncserver/vncsession.c
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index f78c096..141f689 100644
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--- a/unix/vncserver/vncsession.c
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+++ b/unix/vncserver/vncsession.c
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@@ -37,6 +37,11 @@
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#include <sys/types.h>
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#include <sys/wait.h>
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+#ifdef HAVE_SELINUX
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+#include <selinux/selinux.h>
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+#include <selinux/restorecon.h>
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+#endif
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+
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extern char **environ;
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// PAM service name
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@@ -359,6 +364,17 @@ redir_stdio(const char *homedir, const char *display)
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perror("mkdir");
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_exit(EX_OSERR);
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}
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+
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+#ifdef HAVE_SELINUX
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+ int result;
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+ if (selinux_file_context_verify(logfile, 0) == 0) {
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+ result = selinux_restorecon(logfile, SELINUX_RESTORECON_RECURSE);
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+
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+ if (result < 0) {
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+ syslog(LOG_WARNING, "Failure restoring SELinux context for \"%s\": %s", logfile, strerror(errno));
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+ }
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+ }
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+#endif
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}
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if (gethostname(hostname, sizeof(hostname)) == -1) {
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113
SOURCES/tigervnc-vncsession-restore-script-systemd-service.patch
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113
SOURCES/tigervnc-vncsession-restore-script-systemd-service.patch
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@ -0,0 +1,113 @@
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From 1919a8ab86c99b47ba86dc697abcdf3343b0aafa Mon Sep 17 00:00:00 2001
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From: Jan Grulich <jgrulich@redhat.com>
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Date: Tue, 1 Feb 2022 14:31:05 +0100
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Subject: Add vncsession-restore script to restore SELinux context
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The vncsession-restore script is used in the ExecStartPre option
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for systemd service file in order to properly start the session
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in case the policy is updated (e.g. after Tigervnc update).
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diff --git a/unix/vncserver/CMakeLists.txt b/unix/vncserver/CMakeLists.txt
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index bce1c3e..44c4e2a 100644
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--- a/unix/vncserver/CMakeLists.txt
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+++ b/unix/vncserver/CMakeLists.txt
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@@ -2,6 +2,7 @@ add_executable(vncsession vncsession.c)
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target_link_libraries(vncsession ${PAM_LIBS} ${SELINUX_LIBS})
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configure_file(vncserver@.service.in vncserver@.service @ONLY)
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+configure_file(vncsession-restore.in vncsession-restore @ONLY)
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configure_file(vncsession-start.in vncsession-start @ONLY)
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configure_file(vncserver.in vncserver @ONLY)
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@@ -17,4 +18,5 @@ install(FILES vncserver.users DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/tiger
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if(INSTALL_SYSTEMD_UNITS)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/vncserver@.service DESTINATION ${CMAKE_INSTALL_FULL_UNITDIR})
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install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/vncsession-start DESTINATION ${CMAKE_INSTALL_FULL_LIBEXECDIR})
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+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/vncsession-restore DESTINATION ${CMAKE_INSTALL_FULL_LIBEXECDIR})
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endif()
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diff --git a/unix/vncserver/vncserver@.service.in b/unix/vncserver/vncserver@.service.in
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index 5624dff..be62c85 100644
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--- a/unix/vncserver/vncserver@.service.in
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+++ b/unix/vncserver/vncserver@.service.in
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@@ -35,6 +35,7 @@ After=syslog.target network.target
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[Service]
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Type=forking
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+ExecStartPre=+@CMAKE_INSTALL_FULL_LIBEXECDIR@/vncsession-restore %i
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ExecStart=@CMAKE_INSTALL_FULL_LIBEXECDIR@/vncsession-start %i
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PIDFile=/run/vncsession-%i.pid
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SELinuxContext=system_u:system_r:vnc_session_t:s0
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diff --git a/unix/vncserver/vncsession-restore.in b/unix/vncserver/vncsession-restore.in
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new file mode 100644
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index 00000000..d3abc57d
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--- /dev/null
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+++ b/unix/vncserver/vncsession-restore.in
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@@ -0,0 +1,68 @@
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+#!/bin/bash
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+#
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+# Copyright 2022 Jan Grulich <jgrulich@redhat.com>
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+#
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+# This is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This software is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this software; if not, write to the Free Software
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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+# USA.
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+#
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+
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+USERSFILE="@CMAKE_INSTALL_FULL_SYSCONFDIR@/tigervnc/vncserver.users"
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+
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+if [ $# -ne 1 ]; then
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+ echo "Syntax:" >&2
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+ echo " $0 <display>" >&2
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+ exit 1
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+fi
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+
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+if [ ! -f "${USERSFILE}" ]; then
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+ echo "Users file ${USERSFILE} missing" >&2
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+ exit 1
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+fi
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+
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+DISPLAY="$1"
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+
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+USER=`grep "^ *${DISPLAY}=" "${USERSFILE}" 2>/dev/null | head -1 | cut -d = -f 2- | sed 's/ *$//g'`
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+
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+if [ -z "${USER}" ]; then
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+ echo "No user configured for display ${DISPLAY}" >&2
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+ exit 1
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+fi
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+
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+USER_HOMEDIR=`getent passwd ${USER} | cut -f6 -d:`
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+
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+if [ -z "${USER_HOMEDIR}" ]; then
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+ echo "Failed to get home directory for ${USER}" >&2
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+ exit 1
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+fi
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+
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+if [ ! -d "${USER_HOMEDIR}/.vnc" ]; then
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+ exit 0
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+fi
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+
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+MATCHPATHCON=`which matchpathcon`
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+
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+if [ $? -eq 0 ]; then
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+ ${MATCHPATHCON} -V "${USER_HOMEDIR}/.vnc" &>/dev/null
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+ if [ $? -eq 0 ]; then
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+ exit 0
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+ fi
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+fi
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+
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+RESTORECON=`which restorecon`
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+
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+if [ $? -eq 0 ]; then
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+ exec "${RESTORECON}" -R "${USER_HOMEDIR}/.vnc" >&2
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+ return $?
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+fi
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@ -5,7 +5,7 @@
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Name: tigervnc
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Version: 1.11.0
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Release: 20%{?dist}
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Release: 21%{?dist}
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Summary: A TigerVNC remote display system
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%global _hardened_build 1
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@ -36,7 +36,9 @@ Patch57: tigervnc-correctly-start-vncsession-as-daemon.patch
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Patch58: tigervnc-selinux-missing-compression-and-correct-location.patch
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Patch59: tigervnc-selinux-policy-improvements.patch
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Patch60: tigervnc-argb-runtime-ximage-byteorder-selection.patch
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Patch61: tigervnc-selinux-restore-context-in-case-of-different-policies.patch
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Patch62: tigervnc-root-user-selinux-context.patch
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Patch63: tigervnc-vncsession-restore-script-systemd-service.patch
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# This is tigervnc-%%{version}/unix/xserver116.patch rebased on the latest xorg
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Patch100: tigervnc-xserver120.patch
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@ -176,6 +178,9 @@ popd
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%patch58 -p1 -b .selinux-missing-compression-and-correct-location
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%patch59 -p1 -b .selinux-policy-improvements
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%patch60 -p1 -b .argb-runtime-ximage-byteorder-selection
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%patch61 -p1 -b .selinux-restore-context-in-case-of-different-policies
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%patch62 -p1 -b .root-user-selinux-context
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%patch63 -p1 -b .vncsession-restore-script-systemd-service
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%build
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%ifarch sparcv9 sparc64 s390 s390x
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@ -185,6 +190,10 @@ export CFLAGS="$RPM_OPT_FLAGS -fpic"
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%endif
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export CXXFLAGS="$CFLAGS -std=c++11"
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%define __cmake_builddir %{_target_platform}
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mkdir -p %{%__cmake_builddir}
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%cmake
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%cmake_build
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@ -327,6 +336,7 @@ fi
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%{_sbindir}/vncsession
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%{_libexecdir}/vncserver
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%{_libexecdir}/vncsession-start
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%{_libexecdir}/vncsession-restore
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%{_mandir}/man1/x0vncserver.1*
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%{_mandir}/man8/vncserver.8*
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%{_mandir}/man8/vncsession.8*
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@ -355,6 +365,11 @@ fi
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%ghost %verify(not md5 size mtime) %{_sharedstatedir}/selinux/%{selinuxtype}/active/modules/200/%{modulename}
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%changelog
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* Mon Feb 07 2022 Jan Grulich <jgrulich@redhat.com> - 1.11.0-21
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- Added vncsession-restore script for SELinux policy migration
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Fix SELinux context for root user
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Resolves: bz#2049506
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* Fri Nov 26 2021 Jan Grulich <jgrulich@redhat.com> - 1.11.0-20
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- Rebuild for absence in RHEL 9.0
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Resolves: bz#1985858
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