-#!/bin/sh
-#
-# redo the hashes for the certificates in your cert path or the ones passed
-# on the command line.
+#!{- $config{HASHBANGPERL} -}
+{- use OpenSSL::Util; -}
+# {- join("\n# ", @autowarntext) -}
+# Copyright 1999-2022 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
+
+# Perl c_rehash script, scan all files in a directory
+# and add symbolic links to their hash values.
+
+my $dir = {- quotify1($config{openssldir}) -};
+my $prefix = {- quotify1($config{prefix}) -};
+
+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 = $type eq 'cert';
-if [ "$OPENSSL"x = "x" -o ! -x "$OPENSSL" ]; then
- OPENSSL='openssl'
- export OPENSSL
-fi
-DIR=/usr/local/ssl
-PATH=$DIR/bin:$PATH
-
-if [ ! -f "$OPENSSL" ]; then
- found=0
- for dir in . `echo $PATH | sed -e 's/:/ /g'`; do
- if [ -f "$dir/$OPENSSL" ]; then
- found=1
- break
- fi
- done
- if [ $found = 0 ]; then
- echo "c_rehash: rehashing skipped ('openssl' program not available)" 1>&2
- exit 0
- fi
-fi
-
-SSL_DIR=$DIR/certs
-
-if [ "$*" = "" ]; then
- CERTS=${*:-${SSL_CERT_DIR:-$SSL_DIR}}
-else
- CERTS=$*
-fi
-
-IFS=': '
-for i in $CERTS
-do
- (
- IFS=' '
- if [ -d $i -a -w $i ]; then
- cd $i
- echo "Doing $i"
- for i in *.pem
- do
- if [ $i != '*.pem' ]; then
- h=`$OPENSSL x509 -hash -noout -in $i`
- if [ "x$h" = "x" ]; then
- echo $i does not contain a certificate
- else
- if [ -f $h.0 ]; then
- /bin/rm -f $h.0
- fi
- echo "$i => $h.0"
- ln -s $i $h.0
- fi
- fi
- done
- fi
- )
-done
+ my ($hash, $fprint) = compute_hash($openssl,
+ $is_cert ? "x509" : "crl",
+ $is_cert ? $x509hash : $crlhash,
+ "-fingerprint", "-noout",
+ "-in", $fname);
+ chomp $hash;
+ $hash =~ s/^.*=// if !$is_cert;
+ 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;
+}
projects / openssl.git / blobdiff