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* Use XML::LibXML.
This commit is contained in:
parent
543d7a41dc
commit
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2 changed files with 87 additions and 41 deletions
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@ -1,6 +1,7 @@
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<blacklist>
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<!--
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<item id='openssl-0.9.7d-obsolete'>
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<condition>
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<containsSource
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@ -12,29 +13,20 @@
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</reason>
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<severity class="all" level="low" />
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</item>
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-->
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<item id='zlib-1.2.1-security'>
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<item id='zlib-1.2.1-security' type='security'>
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<condition>
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<containsSource
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hash="sha256:0yp7z8ask4b8m2ia253apnnxdk0z0zrs70yr079m2rjd4297chgv"
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origin="zlib-1.2.1.tar.gz" />
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<!--
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<or>
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<and>
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<containsSource
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hash="sha256:0yp7z8ask4b8m2ia253apnnxdk0z0zrs70yr079m2rjd4297chgv"
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origin="zlib-1.2.1.tar.gz" />
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<not>
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<containsSource
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hash="..."
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origin="zlib-1.2.1-dos.patch" />
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</not>
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</and>
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<containsOutput
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name="/nix/store/gxbdsvlwz6ixin94jhdw7rwdbb5mxxq3-zlib-1.2.1" />
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</or>
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-->
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hash="sha256:1xf1749gdfw9f50mxa5rsnmwiwrb5mi0kg4siw8a73jykdp2i6ii"
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origin="openssl-0.9.7d.tar.gz" />
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<!-- <within>
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<traverse>
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<not><hasName name='*.tar.*' /></not>
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</traverse>
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<hasAttr name='md5' value='ef1cb003448b4a53517b8f25adb12452' />
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</within> -->
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</condition>
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<reason>
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Zlib 1.2.1 is vulnerable to a denial-of-service condition. See
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@ -45,6 +37,7 @@
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</item>
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<!--
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<item id='libpng-1.2.7-crash'>
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<condition>
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<containsName name="libpng" comparison="lte" version="1.2.7" />
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@ -55,6 +48,25 @@
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</reason>
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<severity class="client" level="low" />
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</item>
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-->
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<!--
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<item id='subversion-without-zlib' type='improvement'>
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<condition>
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<withinOutputClosure>
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<not>
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<containsName name='zlib' />
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</not>
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</withinOutputClosure>
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</condition>
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<reason>
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Subversion can be compiled with Zlib compression support, which is a good thing.
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</reason>
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</item>
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-->
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</blacklist>
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@ -1,7 +1,8 @@
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#! /usr/bin/perl -w
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#! /usr/bin/perl -w -I /home/eelco/.nix-profile/lib/site_perl
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use strict;
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use XML::Simple;
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use XML::LibXML;
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#use XML::Simple;
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my $blacklistFN = shift @ARGV;
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die unless defined $blacklistFN;
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@ -10,10 +11,10 @@ die unless defined $userEnv;
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# Read the blacklist.
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my $blacklist = XMLin($blacklistFN,
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forcearray => [qw()],
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keyattr => ['id'],
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suppressempty => '');
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my $parser = XML::LibXML->new();
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my $blacklist = $parser->parse_file($blacklistFN)->getDocumentElement;
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#print $blacklist->toString() , "\n";
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# Get all the elements of the user environment.
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@ -30,10 +31,10 @@ sub evalCondition {
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my $storePaths = shift;
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my $condition = shift;
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if (defined $condition->{'containsSource'}) {
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my $c = $condition->{'containsSource'};
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my $hash = $c->{'hash'};
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my $name = $condition->getName;
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if ($name eq "containsSource") {
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my $hash = $condition->attributes->getNamedItem("hash")->getValue;
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foreach my $path (keys %{$storePathHashes{$hash}}) {
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# !!! use a hash for $storePaths
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foreach my $path2 (@{$storePaths}) {
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}
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return 0;
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}
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elsif ($name eq "and") {
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my $result = 1;
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foreach my $node ($condition->getChildNodes) {
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if ($node->nodeType == XML_ELEMENT_NODE) {
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$result &= evalCondition($storePaths, $node);
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}
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}
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return $result;
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}
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elsif ($name eq "true") {
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return 1;
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}
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elsif ($name eq "false") {
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return 0;
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}
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else {
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die "unknown element `$name'";
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}
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}
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sub evalOr {
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my $storePaths = shift;
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my $nodes = shift;
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my $result = 0;
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foreach my $node (@{$nodes}) {
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if ($node->nodeType == XML_ELEMENT_NODE) {
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$result |= evalCondition($storePaths, $node);
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}
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}
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return 0;
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return $result;
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}
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@ -83,20 +119,18 @@ foreach my $userEnvElem (@userEnvElems) {
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# Evaluate each blacklist item.
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foreach my $itemId (sort (keys %{$blacklist->{'item'}})) {
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# print " CHECKING FOR $itemId\n";
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foreach my $item ($blacklist->getChildrenByTagName("item")) {
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my $itemId = $item->getAttributeNode("id")->getValue;
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print " CHECKING FOR $itemId\n";
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my $item = $blacklist->{'item'}->{$itemId};
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die unless defined $item;
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my $condition = $item->{'condition'};
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die unless defined $condition;
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my $condition = ($item->getChildrenByTagName("condition"))[0];
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die unless $condition;
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# Evaluate the condition.
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if (evalCondition(\@requisites, $condition)) {
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my @foo = $condition->getChildNodes();
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if (evalOr(\@requisites, \@foo)) {
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# Oops, condition triggered.
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my $reason = $item->{'reason'};
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my $reason = ($item->getChildrenByTagName("reason"))[0]->getChildNodes->to_literal;
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$reason =~ s/\s+/ /g;
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$reason =~ s/^\s+//g;
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