Mask IP addresses, change host, compression

... for t/32_isHTML_valid.t .

Github.com seems to be most reliable from the ones tested so far.

bahn.de has one IP to the outside however Session resumption seems
to come from different hosts behind that IP. Bad choice for this
test.

Author: drwetter

t/32_isHTML_valid.t

@@ -10,16 +10,16 @@ use Text::Diff;
 
 my $tests = 0;
 my $prg="./testssl.sh";
-my $uri="bahn.de";
+my $uri="github.com";
 my $out="";
 my $html="";
 my $debughtml="";
 my $edited_html="";
 my $htmlfile="tmp.html";
-#  need to avoid the debug message around L15190++ Your ./bin/openssl.Linux.x86_64 doesn't support X25519 :
-my $check2run="--ip=one --openssl /usr/bin/openssl --sneaky --ids-friendly --color 0 --htmlfile $htmlfile";
+# Pick /usr/bin/openssl as we want to avoid the debug messages like "Your ./bin/openssl.Linux.x86_64 doesn't support X25519"
+my $check2run="--ip=one -4 --openssl /usr/bin/openssl --sneaky --ids-friendly --color 0 --htmlfile $htmlfile";
 my $diff="";
-
+my $ip="";
 die "Unable to open $prg" unless -f $prg;
 
 printf "\n%s\n", "Doing HTML output checks";
@@ -57,7 +57,7 @@ $tests++;
 
 
 if ( $^O eq "darwin" ){
-     printf "\nskip debug checkon MacOS\n\n";
+     printf "\nskip debug check on MacOS\n\n";
      done_testing($tests);
      exit 0;
 }
@@ -87,8 +87,21 @@ $debughtml =~ s/.*DEBUG:.*\n//g;
 $debughtml =~ s/No engine or GOST support via engine with your.*\n//g;
 $debughtml =~ s/.*built: .*\n//g;
 $debughtml =~ s/.*Using bash .*\n//g;
+$debughtml =~ s/.*has_compression.*\n//g;
 # is whole line:   s/.*<pattern> .*\n//g;
 
+# Extract and mask IP address as it can change
+if ( $html =~ /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/ ) {
+    $ip = $1;
+}
+$html =~ s/$ip/AAA.BBB.CCC.DDD/g;
+
+if ( $debughtml =~ /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/ ) {
+    $ip = $1;
+}
+$debughtml =~ s/$ip/AAA.BBB.CCC.DDD/g;
+
+
 $diff = diff \$debughtml, \$html;
 
 ok($debughtml eq $html, "Checking if HTML file created with --debug 4 matches HTML file created without --debug") or