[libvirt] [PATCH] portability fixes to tools/virt-pki-validate.in

[Dustin Kirkland <kirkland@xxxxxxxxxxxxx>]

portability fixes to tools/virt-pki-validate.in

A few fixes will help make tools/virt-pki-validate.in useful on Debian
and Ubuntu.  And one fix should be useful to everyone (see #4).

 1) note our gnutls-bin package (in addition to your gnutls-utils
package) in the no-certtool error text

 2) adjust the ORG-setting sed regular expressions to work with both Red
Hat and Ubuntu style cacert.pem Issuer format

 3) fix a bashism, == should be = in the case where /bin/sh is a symlink
to dash

 4) $(SYSCONFDIR) cannot evaluate; set a single shell SYSCONFDIR
variable to the autoconf @SYSCONFDIR@ value, and use $SYSCONFDIR
everywhere
        
This was tested against gnutls 2.8.5.  And against both Red Hat and
Ubuntu cacert.pem files.  Credit Jamie Strandboge with the regular
expression changes.

Bug report:
 * https://bugs.edge.launchpad.net/ubuntu/+source/libvirt/+bug/562266

Signed-off-by: Dustin Kirkland <kirkland@xxxxxxxxxxxxx>

diff --git a/tools/virt-pki-validate.in b/tools/virt-pki-validate.in
index ee7b79d..d335997 100755
--- a/tools/virt-pki-validate.in
+++ b/tools/virt-pki-validate.in
@@ -16,8 +16,8 @@ PORT=16514
 CERTOOL=`which certtool 2>/dev/null`
 if [ ! -x $CERTOOL ]
 then
-    echo Could not locate the certtool program
-    echo make sure the gnutls-utils package is installed
+    echo "Could not locate the certtool program"
+    echo "make sure the gnutls-utils (or gnutls-bin) package is installed"
     exit 1
 fi
 echo Found $CERTOOL
@@ -25,7 +25,8 @@ echo Found $CERTOOL
 #
 # Check the directory structure
 #
-PKI="@SYSCONFDIR@/pki"
+SYSCONFDIR="@SYSCONFDIR@"
+PKI="$SYSCONFDIR/pki"
 if [ ! -d $PKI ]
 then
     echo the $PKI directory is missing, it is usually
@@ -129,8 +130,8 @@ then
     echo "as root do: chmod 644 $CA/cacert.pem"
     exit 1
 fi
-ORG=`$CERTOOL -i --infile $CA/cacert.pem | grep Issuer | sed 's+Issuer: CN=++'`
-if [ "$ORG" == "" ]
+ORG=`$CERTOOL -i --infile $CA/cacert.pem | grep Issuer | sed -e 's+\s*Issuer: .*CN=++' -e 's+,EMAIL=.*++'`
+if [ "$ORG" = "" ]
 then
     echo the CA certificate $CA/cacert.pem does not define the organization
     echo it should probably regenerated
@@ -240,19 +241,19 @@ fi
 
 if [ "$SERVER" = "1" ]
 then
-    if [ -r $(SYSCONFDIR)/sysconfig/libvirtd ]
+    if [ -r $SYSCONFDIR/sysconfig/libvirtd ]
     then
-        if [ "`grep '^LIBVIRTD_ARGS' $(SYSCONFDIR)/sysconfig/libvirtd | grep -- '--listen'`" = "" ]
+        if [ "`grep '^LIBVIRTD_ARGS' $SYSCONFDIR/sysconfig/libvirtd | grep -- '--listen'`" = "" ]
 	then
-	    echo Make sure $(SYSCONFDIR)/sysconfig/libvirtd is setup to listen to
+	    echo Make sure $SYSCONFDIR/sysconfig/libvirtd is setup to listen to
 	    echo TCP/IP connections and restart the libvirtd service
 	fi
     fi
-    if [ -r $(SYSCONFDIR)/sysconfig/iptables ]
+    if [ -r $SYSCONFDIR/sysconfig/iptables ]
     then
-        if [ "`grep $PORT $(SYSCONFDIR)/sysconfig/iptables`" = "" ]
+        if [ "`grep $PORT $SYSCONFDIR/sysconfig/iptables`" = "" ]
 	then
-	    echo Make sure $(SYSCONFDIR)/sysconfig/iptables is setup to allow
+	    echo Make sure $SYSCONFDIR/sysconfig/iptables is setup to allow
 	    echo incoming TCP/IP connections on port $PORT and
 	    echo restart the iptables service
 	fi

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