-#!/bin/sh
-#
-# redo the hashes for the certificates in your cert path or the ones passed
-# on the command line.
-#
-
-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
+#!/usr/local/bin/perl
+
+
+# Perl c_rehash script, scan all files in a directory
+# and add symbolic links to their hash values.
+
+my $openssl;
+
+my $dir;
+
+if(defined $ENV{OPENSSL}) {
+ $openssl = $ENV{OPENSSL};
+} else {
+ $openssl = "openssl";
+ $ENV{OPENSSL} = $openssl;
+}
+
+my $pwd;
+eval "require Cwd";
+if (defined(&Cwd::getcwd)) {
+ $pwd=Cwd::getcwd();
+} else {
+ $pwd=`pwd`; chomp($pwd);
+}
+my $path_delim = ($pwd =~ /^[a-z]\:/i) ? ';' : ':'; # DOS/Win32 or Unix delimiter?
+
+$ENV{PATH} .= "$path_delim$dir/bin";
+
+if(! -x $openssl) {
+ my $found = 0;
+ foreach (split /$path_delim/, $ENV{PATH}) {
+ if(-x "$_/$openssl") {
+ $found = 1;
+ last;
+ }
+ }
+ if($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 $_ and -w $_) {
+ hash_dir($_);
+ }
+}
+
+sub hash_dir {
+ my %hashlist;
+ print "Doing $_[0]\n";
+ chdir $_[0];
+ opendir(DIR, ".");
+ my @flist = readdir(DIR);
+ # Delete any existing symbolic links
+ foreach (grep {/^[\da-f]+\.r{0,1}\d+$/} @flist) {
+ if(-l $_) {
+ unlink $_;
+ }
+ }
+ closedir DIR;
+ FILE: foreach $fname (grep {/\.pem$/} @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($crl);
+ }
+}
+
+sub check_file {
+ my ($is_cert, $is_crl) = (0,0);
+ my $fname = $_[0];
+ open 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);
+}
+
+
+# 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 {
+ my $fname = $_[0];
+ $fname =~ s/'/'\\''/g;
+ my ($hash, $fprint) = `"$openssl" x509 -hash -fingerprint -noout -in "$fname"`;
+ chomp $hash;
+ chomp $fprint;
+ $fprint =~ s/^.*=//;
+ $fprint =~ tr/://d;
+ my $suffix = 0;
+ # Search for an unused hash filename
+ while(exists $hashlist{"$hash.$suffix"}) {
+ # Hash matches: if fingerprint matches its a duplicate cert
+ if($hashlist{"$hash.$suffix"} eq $fprint) {
+ print STDERR "WARNING: Skipping duplicate certificate $fname\n";
+ return;
+ }
+ $suffix++;
+ }
+ $hash .= ".$suffix";
+ print "$fname => $hash\n";
+ $symlink_exists=eval {symlink("",""); 1};
+ if ($symlink_exists) {
+ symlink $fname, $hash;
+ } else {
+ open IN,"<$fname" or die "can't open $fname for read";
+ open OUT,">$hash" or die "can't open $hash for write";
+ print OUT <IN>; # does the job for small text files
+ close OUT;
+ close IN;
+ }
+ $hashlist{$hash} = $fprint;
+}
+
+# Same as above except for a CRL. CRL links are of the form <hash>.r<n>
+
+sub link_hash_crl {
+ my $fname = $_[0];
+ $fname =~ s/'/'\\''/g;
+ my ($hash, $fprint) = `"$openssl" crl -hash -fingerprint -noout -in '$fname'`;
+ chomp $hash;
+ chomp $fprint;
+ $fprint =~ s/^.*=//;
+ $fprint =~ tr/://d;
+ my $suffix = 0;
+ # Search for an unused hash filename
+ while(exists $hashlist{"$hash.r$suffix"}) {
+ # Hash matches: if fingerprint matches its a duplicate cert
+ if($hashlist{"$hash.r$suffix"} eq $fprint) {
+ print STDERR "WARNING: Skipping duplicate CRL $fname\n";
+ return;
+ }
+ $suffix++;
+ }
+ $hash .= ".r$suffix";
+ print "$fname => $hash\n";
+ $symlink_exists=eval {symlink("",""); 1};
+ if ($symlink_exists) {
+ symlink $fname, $hash;
+ } else {
+ system ("cp", $fname, $hash);
+ }
+ $hashlist{$hash} = $fprint;
+}
+
projects / openssl.git / blobdiff