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#! /usr/bin/env perl
use strict;
use warnings;
use File::Basename;
use File::Spec::Functions;
my $there = canonpath(catdir(dirname($0), updir()));
my $std_engines = catdir($there, 'engines');
my $std_providers = catdir($there, 'providers');
my $std_openssl_conf = catdir($there, 'apps/openssl.cnf');
my $unix_shlib_wrap = catfile($there, 'util/shlib_wrap.sh');
$ENV{OPENSSL_ENGINES} = $std_engines
if ($ENV{OPENSSL_ENGINES} // '') eq '' && -d $std_engines;
$ENV{OPENSSL_MODULES} = $std_providers
if ($ENV{OPENSSL_MODULES} // '') eq '' && -d $std_providers;
$ENV{OPENSSL_CONF} = $std_openssl_conf
if ($ENV{OPENSSL_CONF} // '') eq '' && -f $std_openssl_conf;
my $use_system = 0;
my @cmd;
if (-x $unix_shlib_wrap) {
@cmd = ( $unix_shlib_wrap, @ARGV );
} else {
# Hope for the best
@cmd = ( @ARGV );
}
# The exec() statement on MSWin32 doesn't seem to give back the exit code
# from the call, so we resort to using system() instead.
my $waitcode = system @cmd;
# According to documentation, -1 means that system() couldn't run the command,
# otherwise, the value is similar to the Unix wait() status value
# (exitcode << 8 | signalcode)
die "wrap.pl: Failed to execute '", join(' ', @cmd), "': $!\n"
if $waitcode == -1;
# When the subprocess aborted on a signal, mimic what Unix shells do, by
# converting the signal code to an exit code by setting the high bit.
# This only happens on Unix flavored operating systems, the others don't
# have this sort of signaling to date, and simply leave the low byte zero.
exit(($? & 255) | 128) if ($? & 255) != 0;
# When not a signal, just shift down the subprocess exit code and use that.
my $exitcode = $? >> 8;
# For VMS, perl recommendations is to emulate what the C library exit() does
# for all non-zero exit codes, except we set the error severity rather than
# success.
# Ref: https://perldoc.perl.org/perlport#exit
# https://perldoc.perl.org/perlvms#$?
if ($^O eq 'VMS' && $exitcode != 0) {
$exitcode =
0x35a000 # C facility code
+ ($exitcode * 8) # shift up to make space for the 3 severity bits
+ 2 # Severity: E(rror)
+ 0x10000000; # bit 28 set => the shell stays silent
}
exit($exitcode);
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