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From c41e34a5a8fbda2731aa724e65dcc93aa9ab7b64 Mon Sep 17 00:00:00 2001
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From: Eric Garver <e@erig.me>
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Date: Thu, 3 Aug 2017 15:06:57 -0400
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Subject: [PATCH] Reload nf_conntrack sysctls after the module is loaded
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Add a modprobe config file that will cause specified sysctls to be
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reloaded after a given module is loaded. This is needed because sysctls
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will go away and reappear when modules are unloaded which happens on a
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firewalld restart. e.g. nf_conntrack_max.
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Fixes: RHBZ#1462977
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(cherry picked from commit 65434db736fa68a25e1ab417f6c330c03c5eafde)
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---
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config/Makefile.am | 22 ++++++++++++++++++++--
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config/firewalld-sysctls.conf.in | 1 +
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configure.ac | 1 +
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firewalld.spec | 1 +
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4 files changed, 23 insertions(+), 2 deletions(-)
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create mode 100644 config/firewalld-sysctls.conf.in
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diff --git a/config/Makefile.am b/config/Makefile.am
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index 1035c9f940a9..a66ae05d8122 100644
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--- a/config/Makefile.am
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+++ b/config/Makefile.am
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@@ -42,6 +42,7 @@ BUILT_SOURCES = \
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$(applet_desktop_DATA) \
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$(polkit1_action_DATA) \
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$(gsettings_SCHEMAS) \
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+ firewalld-sysctls.conf \
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firewalld.service
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@INTLTOOL_DESKTOP_RULE@
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@@ -51,7 +52,7 @@ BUILT_SOURCES = \
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all: $(desktop_DATA) $(appdata_DATA) $(applet_desktop_DATA) $(polkit1_action_DATA) $(gsettings_SCHEMAS)
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-CLEANFILES = *~ *\# .\#* firewalld.service
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+CLEANFILES = *~ *\# .\#* firewalld.service firewalld-sysctls.conf
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DISTCLEANFILES = \
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$(desktop_DATA) \
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@@ -246,6 +247,7 @@ EXTRA_DIST = \
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$(CONFIG_FILES) \
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$(dist_xmlschema_DATA) \
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firewalld.init \
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+ firewalld-sysctls.conf.in \
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firewalld.service.in \
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firewalld.sysconfig \
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macros.firewalld
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@@ -253,6 +255,9 @@ EXTRA_DIST = \
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INSTALL_TARGETS = install-config
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UNINSTALL_TARGETS = uninstall-config
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+INSTALL_TARGETS += install-modprobe.d
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+UNINSTALL_TARGETS += uninstall-modprobe.d
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+
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if USE_SYSTEMD
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INSTALL_TARGETS += install-service
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UNINSTALL_TARGETS += uninstall-service
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@@ -275,11 +280,16 @@ edit = sed \
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-e 's|@bindir[@]|$(bindir)|g' \
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-e 's|@sbindir[@]|$(sbindir)|g' \
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-e 's|@sysconfdir[@]|$(sysconfdir)|g' \
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- -e 's|@localstatedir[@]|$(localstatedir)|g'
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+ -e 's|@localstatedir[@]|$(localstatedir)|g' \
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+ -e 's|@MODPROBE[@]|$(MODPROBE)|g' \
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+ -e 's|@SYSCTL[@]|$(SYSCTL)|g'
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firewalld.service: firewalld.service.in
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$(edit) $< >$@
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+firewalld-sysctls.conf: firewalld-sysctls.conf.in
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+ $(edit) $< >$@
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+
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install-sysconfig:
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$(MKDIR_P) $(DESTDIR)$(sysconfdir)/sysconfig
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$(INSTALL_DATA) $(srcdir)/firewalld.sysconfig $(DESTDIR)$(sysconfdir)/sysconfig/firewalld
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@@ -312,6 +322,14 @@ uninstall-service: uninstall-sysconfig
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rm -f $(DESTDIR)$(SYSTEMD_UNITDIR)/firewalld.service
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rmdir $(DESTDIR)$(SYSTEMD_UNITDIR) || :
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+install-modprobe.d:
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+ $(MKDIR_P) $(DESTDIR)$(sysconfdir)/modprobe.d
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+ $(INSTALL_DATA) firewalld-sysctls.conf $(DESTDIR)$(sysconfdir)/modprobe.d/firewalld-sysctls.conf
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+
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+uninstall-modprobe.d:
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+ rm -f $(DESTDIR)$(sysconfdir)/modprobe.d/firewalld-sysctls.conf
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+ rmdir $(DESTDIR)$(sysconfdir)/modprobe.d || :
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+
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install-config:
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$(MKDIR_P) $(DESTDIR)$(sconfdir)
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$(MKDIR_P) $(DESTDIR)$(sconfdir)/icmptypes
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diff --git a/config/firewalld-sysctls.conf.in b/config/firewalld-sysctls.conf.in
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new file mode 100644
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index 000000000000..976027743e8f
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--- /dev/null
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+++ b/config/firewalld-sysctls.conf.in
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@@ -0,0 +1 @@
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+install nf_conntrack @MODPROBE@ --ignore-install nf_conntrack && @SYSCTL@ --pattern 'net[.]netfilter[.]nf_conntrack.*' --system
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diff --git a/configure.ac b/configure.ac
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index e3525703819d..776e627b0fa0 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -33,6 +33,7 @@ AC_PATH_PROG([KILL], [kill], [/usr/bin/kill])
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AC_PATH_PROG([MODINFO], [modinfo], [/sbin/modinfo])
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AC_PATH_PROG([MODPROBE], [modprobe], [/sbin/modprobe])
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AC_PATH_PROG([RMMOD], [rmmod], [/sbin/rmmod])
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+AC_PATH_PROG([SYSCTL], [sysctl], [/sbin/sysctl])
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GLIB_GSETTINGS
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diff --git a/firewalld.spec b/firewalld.spec
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index 7f16f38d2932..476f9668d44f 100644
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--- a/firewalld.spec
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+++ b/firewalld.spec
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@@ -240,6 +240,7 @@ fi
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%{_mandir}/man1/firewallctl*.1*
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%{_mandir}/man1/firewalld*.1*
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%{_mandir}/man5/firewall*.5*
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+%{_sysconfdir}/modprobe.d/firewalld-sysctls.conf
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%files -n python-firewall
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%attr(0755,root,root) %dir %{python2_sitelib}/firewall
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--
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2.12.0
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