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Add PERL_HASH_SEED option

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2017-05-02 07:51:37 -07:00
parent 6c20cc7c4f
commit bb70a3637b
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GPG Key ID: 96E6B3F2423A4D10
14 changed files with 74 additions and 2 deletions
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1
Shorewall/Perl/Shorewall/Config.pm
View File

@ -907,6 +907,7 @@ sub initialize( $;$$) {
ZERO_MARKS => undef ,
FIREWALL => undef ,
BALANCE_PROVIDERS => undef ,
PERL_HASH_SEED => undef ,
#
# Packet Disposition
#

2
Shorewall/Samples/Universal/shorewall.conf
View File

@ -217,6 +217,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=Yes

2
Shorewall/Samples/one-interface/shorewall.conf
View File

@ -228,6 +228,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall/Samples/three-interfaces/shorewall.conf
View File

@ -225,6 +225,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall/Samples/two-interfaces/shorewall.conf
View File

@ -228,6 +228,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall/configfiles/shorewall.conf
View File

@ -217,6 +217,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

25
Shorewall/lib.cli-std
View File

@ -341,6 +341,18 @@ get_config() {
setup_dbl
fi
if [ -z "$PERL_HASH_SEED" ]; then
PERL_HASH_SEED=0
else
case $PERL_HASH_SEED in
[0-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]|random)
;;
*)
fatal_error "Invalid setting ($PERL_HASH_SEED) for PERL_HASH_SEED"
;;
esac
fi
lib=$(find_file lib.cli-user)
[ -f $lib ] && . $lib
@ -484,8 +496,17 @@ compiler() {
#
[ "$g_debugging" != trace -a -z "$g_preview" ] || [ -n "$g_debug" ] && g_pager=
PERL_HASH_SEED=0
export PERL_HASH_SEED
case $PERL_HASH_SEED in
random)
unset PERL_HASH_SEED
unset PERL_PERTURB_KEYS
;;
*)
export PERL_HASH_SEED
PERL_PERTURB_KEYS=0
export PERL_PERTURB_KEYS
;;
esac
if [ ${PERLLIBDIR} = ${LIBEXECDIR}/shorewall ]; then
eval $PERL $debugflags $pc $options $@ $g_pager

15
Shorewall/manpages/shorewall.conf.xml
View File

@ -2153,6 +2153,21 @@ LOG:info:,bar net fw</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">PERL_HASH_SEED=</emphasis><emphasis
role="bold"><replaceable>seed</replaceable><emphasis
role="bold">|random</emphasis></emphasis></term>
<listitem>
<para>Added in Shorewall 5.1.4. Sets the Perl hash
<replaceable>seed</replaceable> (an integer in the range 0-99999)
when running the Shorewall rules compiler. If not specified, the
value 0 is assumed. If <option>random</option> is specified, a
random seed will be chosed by Perl. See perlsec(1) for additional
information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis
role="bold">PROVIDER_BITS</emphasis>=[<replaceable>number</replaceable>]</term>

2
Shorewall6/Samples6/Universal/shorewall6.conf
View File

@ -198,6 +198,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=Yes

2
Shorewall6/Samples6/one-interface/shorewall6.conf
View File

@ -199,6 +199,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall6/Samples6/three-interfaces/shorewall6.conf
View File

@ -198,6 +198,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall6/Samples6/two-interfaces/shorewall6.conf
View File

@ -198,6 +198,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

2
Shorewall6/configfiles/shorewall6.conf
View File

@ -198,6 +198,8 @@ OPTIMIZE=All
OPTIMIZE_ACCOUNTING=No
PERL_HASH_SEED=0
REJECT_ACTION=
REQUIRE_INTERFACE=No

15
Shorewall6/manpages/shorewall6.conf.xml
View File

@ -1890,6 +1890,21 @@ LOG:info:,bar net fw</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">PERL_HASH_SEED=</emphasis><emphasis
role="bold"><replaceable>seed</replaceable><emphasis
role="bold">|random</emphasis></emphasis></term>
<listitem>
<para>Added in Shorewall 5.1.4. Sets the Perl hash
<replaceable>seed</replaceable> (an integer in the range 0-99999)
when running the Shorewall rules compiler. If not specified, the
value 0 is assumed. If <option>random</option> is specified, a
random seed will be chosed by Perl. See perlsec(1) for additional
information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis
role="bold">PROVIDER_BITS</emphasis>=[<replaceable>number</replaceable>]</term>