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#!/usr/bin/env perl # WARNING: do not edit! # Generated by Makefile from tools/c_rehash.in # Copyright 1999-2022 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 # Perl c_rehash script, scan all files in a directory # and add symbolic links to their hash values. my $dir = "/opt/cpanel/ea-openssl11/etc/pki/tls"; my $prefix = "/opt/cpanel/ea-openssl11"; my $errorcount = 0; my $openssl = $ENV{OPENSSL} || "openssl"; my $pwd; my $x509hash = "-subject_hash"; my $crlhash = "-hash"; my $verbose = 0; my $symlink_exists=eval {symlink("",""); 1}; my $removelinks = 1; ## Parse flags. while ( $ARGV[0] =~ /^-/ ) { my $flag = shift @ARGV; last if ( $flag eq '--'); if ( $flag eq '-old') { $x509hash = "-subject_hash_old"; $crlhash = "-hash_old"; } elsif ( $flag eq '-h' || $flag eq '-help' ) { help(); } elsif ( $flag eq '-n' ) { $removelinks = 0; } elsif ( $flag eq '-v' ) { $verbose++; } else { print STDERR "Usage error; try -h.\n"; exit 1; } } sub help { print "Usage: c_rehash [-old] [-h] [-help] [-v] [dirs...]\n"; print " -old use old-style digest\n"; print " -h or -help print this help text\n"; print " -v print files removed and linked\n"; exit 0; } eval "require Cwd"; if (defined(&Cwd::getcwd)) { $pwd=Cwd::getcwd(); } else { $pwd=`pwd`; chomp($pwd); } # DOS/Win32 or Unix delimiter? Prefix our installdir, then search. my $path_delim = ($pwd =~ /^[a-z]\:/i) ? ';' : ':'; $ENV{PATH} = "$prefix/bin" . ($ENV{PATH} ? $path_delim . $ENV{PATH} : ""); if (! -x $openssl) { my $found = 0; foreach (split /$path_delim/, $ENV{PATH}) { if (-x "$_/$openssl") { $found = 1; $openssl = "$_/$openssl"; last; } } if ($found == 0) { print STDERR "c_rehash: rehashing skipped ('openssl' program not available)\n"; exit 0; } } if (@ARGV) { @dirlist = @ARGV; } elsif ($ENV{SSL_CERT_DIR}) { @dirlist = split /$path_delim/, $ENV{SSL_CERT_DIR}; } else { $dirlist[0] = "$dir/certs"; } if (-d $dirlist[0]) { chdir $dirlist[0]; $openssl="$pwd/$openssl" if (!-x $openssl); chdir $pwd; } foreach (@dirlist) { if (-d $_ ) { if ( -w $_) { hash_dir($_); } else { print "Skipping $_, can't write\n"; $errorcount++; } } } exit($errorcount); sub copy_file { my ($src_fname, $dst_fname) = @_; if (open(my $in, "<", $src_fname)) { if (open(my $out, ">", $dst_fname)) { print $out $_ while (<$in>); close $out; } else { warn "Cannot open $dst_fname for write, $!"; } close $in; } else { warn "Cannot open $src_fname for read, $!"; } } sub hash_dir { my $dir = shift; my %hashlist; print "Doing $dir\n"; if (!chdir $dir) { print STDERR "WARNING: Cannot chdir to '$dir', $!\n"; return; } opendir(DIR, ".") || print STDERR "WARNING: Cannot opendir '.', $!\n"; my @flist = sort readdir(DIR); closedir DIR; if ( $removelinks ) { # Delete any existing symbolic links foreach (grep {/^[\da-f]+\.r{0,1}\d+$/} @flist) { if (-l $_) { print "unlink $_\n" if $verbose; unlink $_ || warn "Can't unlink $_, $!\n"; } } } FILE: foreach $fname (grep {/\.(pem)|(crt)|(cer)|(crl)$/} @flist) { # Check to see if certificates and/or CRLs present. my ($cert, $crl) = check_file($fname); if (!$cert && !$crl) { print STDERR "WARNING: $fname does not contain a certificate or CRL: skipping\n"; next; } link_hash_cert($fname) if ($cert); link_hash_crl($fname) if ($crl); } chdir $pwd; } sub check_file { my ($is_cert, $is_crl) = (0,0); my $fname = $_[0]; open(my $in, "<", $fname); while(<$in>) { if (/^-----BEGIN (.*)-----/) { my $hdr = $1; if ($hdr =~ /^(X509 |TRUSTED |)CERTIFICATE$/) { $is_cert = 1; last if ($is_crl); } elsif ($hdr eq "X509 CRL") { $is_crl = 1; last if ($is_cert); } } } close $in; return ($is_cert, $is_crl); } sub compute_hash { my $fh; if ( $^O eq "VMS" ) { # VMS uses the open through shell # The file names are safe there and list form is unsupported if (!open($fh, "-|", join(' ', @_))) { print STDERR "Cannot compute hash on '$fname'\n"; return; } } else { if (!open($fh, "-|", @_)) { print STDERR "Cannot compute hash on '$fname'\n"; return; } } return (<$fh>, <$fh>); } # Link a certificate to its subject name hash value, each hash is of # the form <hash>.<n> where n is an integer. If the hash value already exists # then we need to up the value of n, unless its a duplicate in which # case we skip the link. We check for duplicates by comparing the # certificate fingerprints sub link_hash_cert { link_hash($_[0], 'cert'); } # Same as above except for a CRL. CRL links are of the form <hash>.r<n> sub link_hash_crl { link_hash($_[0], 'crl'); } sub link_hash { my ($fname, $type) = @_; my $is_cert = $type eq 'cert'; my ($hash, $fprint) = compute_hash($openssl, $is_cert ? "x509" : "crl", $is_cert ? $x509hash : $crlhash, "-fingerprint", "-noout", "-in", $fname); chomp $hash; chomp $fprint; return if !$hash; $fprint =~ s/^.*=//; $fprint =~ tr/://d; my $suffix = 0; # Search for an unused hash filename my $crlmark = $is_cert ? "" : "r"; while(exists $hashlist{"$hash.$crlmark$suffix"}) { # Hash matches: if fingerprint matches its a duplicate cert if ($hashlist{"$hash.$crlmark$suffix"} eq $fprint) { my $what = $is_cert ? 'certificate' : 'CRL'; print STDERR "WARNING: Skipping duplicate $what $fname\n"; return; } $suffix++; } $hash .= ".$crlmark$suffix"; if ($symlink_exists) { print "link $fname -> $hash\n" if $verbose; symlink $fname, $hash || warn "Can't symlink, $!"; } else { print "copy $fname -> $hash\n" if $verbose; copy_file($fname, $hash); } $hashlist{$hash} = $fprint; }
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