-#!/usr/local/bin/perl
+#! /usr/bin/env perl
+# Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
#
+# Licensed under the OpenSSL license (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
# This is just a quick script to scan for cases where the 'error'
# function name in a XXXerr() macro is wrong.
-#
+#
# Run in the top level by going
# perl util/ck_errf.pl */*.c */*/*.c
#
-foreach $file (@ARGV)
- {
- open(IN,"<$file") || die "unable to open $file\n";
- $func="";
- while (<IN>)
- {
- if (/^[a-zA-Z].+[\s*]([A-Za-z_0-9]+)\(.*\)/)
- {
- $func=$1;
- $func =~ tr/A-Z/a-z/;
- }
- if (/([A-Z0-9]+)err\(([^,]+)/)
- {
- next if ($func eq "");
- $errlib=$1;
- $n=$2;
- if ($n !~ /([^_]+)_F_(.+)$/)
- {
- # print "check -$file:$.:$func:$n\n";
- next;
- }
- $lib=$1;
- $n=$2;
-
- if ($lib ne $errlib)
- { print "$file:$.:$func:$n\n"; next; }
-
- $n =~ tr/A-Z/a-z/;
- if (($n ne $func) && ($errlib ne "SYS"))
- { print "$file:$.:$func:$n\n"; next; }
- # print "$func:$1\n";
- }
- }
- close(IN);
+use strict;
+use warnings;
+
+my $err_strict = 0;
+my $bad = 0;
+
+# To detect if there is any error generation for a libcrypto/libssl libs
+# we don't know, we need to find out what libs we do know. That list is
+# readily available in crypto/err/openssl.ec, in form of lines starting
+# with "L ".
+my $config = "crypto/err/openssl.ec";
+my %libs = ( "SYS" => 1 );
+open my $cfh, $config or die "Trying to read $config: $!\n";
+while (<$cfh>) {
+ s|\R$||; # Better chomp
+ next unless m|^L ([0-9A-Z_]+)\s|;
+ next if $1 eq "NONE";
+ $libs{$1} = 1;
+}
+
+foreach my $file (@ARGV) {
+ if ( $file eq "-strict" ) {
+ $err_strict = 1;
+ next;
+ }
+ open( IN, "<$file" ) || die "Can't open $file, $!";
+ my $func = "";
+ while (<IN>) {
+ if ( !/;$/ && /^\**([a-zA-Z_].*[\s*])?([A-Za-z_0-9]+)\(.*([),]|$)/ ) {
+ /^([^()]*(\([^()]*\)[^()]*)*)\(/;
+ $1 =~ /([A-Za-z_0-9]*)$/;
+ $func = $1;
+ $func =~ tr/A-Z/a-z/;
+ }
+ if ( /([A-Z0-9_]+[A-Z0-9])err\(([^,]+)/ && !/ckerr_ignore/ ) {
+ my $errlib = $1;
+ my $n = $2;
+
+ unless ( $libs{$errlib} ) {
+ print "$file:$.:$errlib unknown\n";
+ $bad = 1;
+ }
+
+ if ( $func eq "" ) {
+ print "$file:$.:???:$n\n";
+ $bad = 1;
+ next;
+ }
+
+ if ( $n !~ /^(.+)_F_(.+)$/ ) {
+ #print "check -$file:$.:$func:$n\n";
+ next;
+ }
+ my $lib = $1;
+ $n = $2;
+
+ if ( $lib ne $errlib ) {
+ print "$file:$.:$func:$n [${errlib}err]\n";
+ $bad = 1;
+ next;
+ }
+
+ $n =~ tr/A-Z/a-z/;
+ if ( $n ne $func && $errlib ne "SYS" ) {
+ print "$file:$.:$func:$n\n";
+ $bad = 1;
+ next;
+ }
+
+ # print "$func:$1\n";
}
+ }
+ close(IN);
+}
+if ( $bad && $err_strict ) {
+ print STDERR "FATAL: error discrepancy\n";
+ exit 1;
+}