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#! /usr/bin/env perl
# Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (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
#
use strict;
use warnings;
my $config;
my $err_strict = 0;
my $debug = 0;
my $internal = 0;
sub help
{
print STDERR <<"EOF";
mkerr.pl [options] [files...]
Options:
-conf FILE Use the named config file FILE instead of the default.
-debug Verbose output debugging on stderr.
-internal Generate code that is to be built as part of OpenSSL itself.
Also scans internal list of files.
-strict If any error was found, fail with exit code 1, otherwise 0.
-help Show this help text.
... Additional arguments are added to the file list to scan,
if '-internal' was NOT specified on the command line.
EOF
}
while ( @ARGV ) {
my $arg = $ARGV[0];
last unless $arg =~ /-.*/;
$arg = $1 if $arg =~ /-(-.*)/;
if ( $arg eq "-conf" ) {
$config = $ARGV[1];
shift @ARGV;
} elsif ( $arg eq "-debug" ) {
$debug = 1;
} elsif ( $arg eq "-internal" ) {
$internal = 1;
} elsif ( $arg eq "-strict" ) {
$err_strict = 1;
} elsif ( $arg =~ /-*h(elp)?/ ) {
&help();
exit;
} elsif ( $arg =~ /-.*/ ) {
die "Unknown option $arg; use -h for help.\n";
}
shift @ARGV;
}
my @source;
if ( $internal ) {
die "Extra parameters given.\n" if @ARGV;
$config = "crypto/err/openssl.ec" unless defined $config;
@source = ( glob('crypto/*.c'), glob('crypto/*/*.c'),
glob('ssl/*.c'), glob('ssl/*/*.c'), glob('providers/*.c'),
glob('providers/*/*.c'), glob('providers/*/*/*.c') );
} else {
die "Configuration file not given.\nSee '$0 -help' for information\n"
unless defined $config;
@source = @ARGV;
}
# 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 ". Note that we always rely on the modules SYS and ERR to be
# generally available.
my %libs = ( SYS => 1, ERR => 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;
}
my $bad = 0;
foreach my $file (@source) {
open( IN, "<$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 not listed in $config\n";
$libs{$errlib} = 1; # To not display it again
$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;
}
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