T1390: Add Support for ipv6 unnumbered Interface with extended-nexthop

(cherry picked from commit 3c2ff1eac67f2e1df2a5bff301dc74a642d11c88)

1 files changed, 96 insertions, 19 deletions

diff --git a/scripts/bgp/vyatta-bgp.pl b/scripts/bgp/vyatta-bgp.pl
index abf3ed4b..1fef8de7 100755
--- a/scripts/bgp/vyatta-bgp.pl
+++ b/scripts/bgp/vyatta-bgp.pl
@@ -204,6 +204,7 @@ my %qcom = (
   'protocols bgp var neighbor var' => {
       set => undef,
       del => 'router bgp #3 ; no neighbor #5',
+      noerr => 'del',
   },
   'protocols bgp var neighbor var address-family' => {
       set => undef,
@@ -495,8 +496,28 @@ my %qcom = (
       del => 'router bgp #3 ; no neighbor #5 remote-as #7',
   },
   'protocols bgp var neighbor var interface' => {
-      set => 'router bgp #3 ; neighbor #5 interface #7',
-      del => 'router bgp #3 ; no neighbor #5 interface #7',
+      set => undef,
+      del => undef,
+  },
+  'protocols bgp var neighbor var interface peer-group' => {
+      set => 'router bgp #3 ; neighbor #5 interface peer-group #8',
+      del => 'router bgp #3 ; no neighbor #5 interface peer-group #8',
+  },
+  'protocols bgp var neighbor var interface remote-as' => {
+      set => 'router bgp #3 ; neighbor #5 interface remote-as #8',
+      del => 'router bgp #3 ; no neighbor #5 interface remote-as #8',
+  },
+  'protocols bgp var neighbor var interface v6only' => {
+      set => undef,
+      del => undef,
+  },
+  'protocols bgp var neighbor var interface v6only peer-group' => {
+      set => 'router bgp #3 ; neighbor #5 interface v6only peer-group #9',
+      del => 'router bgp #3 ; no neighbor #5 interface v6only peer-group #9',
+  },
+  'protocols bgp var neighbor var interface v6only remote-as' => {
+      set => 'router bgp #3 ; neighbor #5 interface v6only remote-as #9',
+      del => 'router bgp #3 ; no neighbor #5 interface v6only remote-as #9',
   },
   'protocols bgp var neighbor var disable-capability-negotiation' => {
       set => 'router bgp #3 ; neighbor #5 dont-capability-negotiate',
@@ -1122,7 +1143,7 @@ if ( ! -e "/usr/sbin/zebra" ) {
 }
 
 my ( $pg, $as, $neighbor );
-my ( $main, $peername, $isneighbor, $checkpeergroups, $checkpeergroups6, $checksource,
+my ( $main, $peername, $isneighbor, $checkpeergroups, $checkpeergroups6, $checksource, 
      $isiBGPpeer, $wasiBGPpeer, $confedibgpasn, $listpeergroups, $checkremoteas);
 
 GetOptions(
@@ -1170,6 +1191,10 @@ sub list_peer_groups {
 sub check_neighbor_ip {
     my $neighbor = shift;
 
+    if ($neighbor =~ /^(\w+)$/) {
+	    exit 0;
+    }
+
     die "Can't set neighbor address to local system IP.\n"
 	if (is_local_address($neighbor));
     
@@ -1198,17 +1223,18 @@ sub check_remote_as {
 
     if ($remote_as =~ /^(\d+)$/) {
         if ( $remote_as >= 1 && $remote_as <= 4294967294) {
-        exit 0;
-    }
-    die "remote-as must be between 1 and 4294967294 or external or internal";
+	    exit 0; 
+	}
+    die "remote-as must be between 1 and 4294967294 or external or internal"; 
     }
 
     if ( $remote_as eq "external" || $remote_as eq "internal") {
-        exit 0;
+        exit 0; 
     }
-    die "remote-as must be between 1 and 4294967294 or external or internal";
+    die "remote-as must be between 1 and 4294967294 or external or internal"; 
 }
 
+
 # Make sure we aren't deleteing a peer-group that has
 # neighbors configured to it
 sub check_for_peer_groups6 {
@@ -1259,6 +1285,10 @@ sub check_for_peer_groups {
     foreach my $node (@neighbors) {
         my $peergroup = $config->returnValue("$node peer-group");
         if ((defined $peergroup) && ($peergroup eq $pg)) { push @peers, $node; }
+        $peergroup = $config->returnValue("$node interface peer-group");
+        if ((defined $peergroup) && ($peergroup eq $pg)) { push @peers, $node; }
+        $peergroup = $config->returnValue("$node interface v6only peer-group");
+        if ((defined $peergroup) && ($peergroup eq $pg)) { push @peers, $node; }
     }
 
     # if we found peers in the previous statements
@@ -1404,8 +1434,20 @@ sub check_neighbor_parameters
             my @neighbors = $config->listNodes("$as neighbor");
             foreach my $neighbor (@neighbors) {
               my $pgmembership = $config->returnValue("$as neighbor $neighbor peer-group");
+              if ( ! defined $pgmembership ) {
+                my $pgmembership = $config->returnValue("$as neighbor $neighbor іnterface peer-group");
+              }
+              if ( ! defined $pgmembership ) {
+                my $pgmembership = $config->returnValue("$as neighbor $neighbor іnterface v6only peer-group");
+              }
               if ( (defined $pgmembership) && ("$pgmembership" eq "$peergroup") ) {
                 my $remoteas = $config->returnValue("$as neighbor $neighbor remote-as");
+                if ( ! defined $remoteas) {
+                  my $remoteas = $config->returnValue("$as neighbor $neighbor іnterface remote-as");
+                }
+                if ( ! defined $remoteas ) {
+                  my $remoteas = $config->returnValue("$as neighbor $neighbor іnterface v6only remote-as");
+                }
                 if (! defined $remoteas) {
                   die "[ protocols bgp $as peer-group $neighbor ]\n  can't delete the remote-as in peer-group without setting remote-as in member neighbors\n"
                 }
@@ -1423,8 +1465,20 @@ sub check_neighbor_parameters
             my @neighbors = $config->listNodes("$as neighbor");
             foreach my $neighbor (@neighbors) {
               my $pgmembership = $config->returnValue("$as neighbor $neighbor peer-group");
+              if ( ! defined $pgmembership ) {
+                my $pgmembership = $config->returnValue("$as neighbor $neighbor іnterface peer-group");
+              }
+              if ( ! defined $pgmembership ) {
+                my $pgmembership = $config->returnValue("$as neighbor $neighbor іnterface v6only peer-group");
+              }
               if ((defined $pgmembership) && ("$pgmembership" eq "$peergroup")) {
                 my $remoteas = $config->returnValue("$as neighbor $neighbor remote-as");
+                if ( ! defined $remoteas) {
+                  my $remoteas = $config->returnValue("$as neighbor $neighbor іnterface remote-as");
+                }
+                if ( ! defined $remoteas ) {
+                  my $remoteas = $config->returnValue("$as neighbor $neighbor іnterface v6only remote-as");
+                }
                 if (defined $remoteas && defined $pgremoteas) {
                   die "[ protocols bgp $as peer-group $neighbor ]\n  must not define remote-as in both neighbor and peer-group\n"
                 }
@@ -1452,23 +1506,36 @@ sub check_neighbor_parameters
 	    # remote-as checks: Make sure the neighbor has a remote-as defined locally or in the peer-group
 	    my ($remoteas, $peergroup, $peergroupas, $peergroup6, $peergroup6as);
 	    $remoteas = $config->returnValue("$as neighbor $neighbor remote-as");
-	    if ($config->exists("$as neighbor $neighbor peer-group")) {
-                if ($config->exists("$as parameters default no-ipv4-unicast")) {
+        if (! defined($remoteas)) {
+                $remoteas = $config->returnValue("$as neighbor $neighbor interface remote-as");
+        }
+        if (! defined($remoteas)) {
+                $remoteas = $config->returnValue("$as neighbor $neighbor interface v6only remote-as");
+        }
+	    if ($config->exists("$as neighbor $neighbor peer-group") || 
+            $config->exists("$as neighbor $neighbor interface peer-group") ||
+            $config->exists("$as neighbor $neighbor interface v6only peer-group")) {
+                if ($config->exists("$as parameters default no-ipv4-unicast") && $config->exists("$as neighbor $neighbor peer-group")) {
                     die "[ protocols bgp $as neighbor $neighbor ]\n  peer-group defined but ipv4-unicast is disabled\n";
                 }
-		$peergroup = $config->returnValue("$as neighbor $neighbor peer-group");
+		        $peergroup = $config->returnValue("$as neighbor $neighbor peer-group");
+                if (! defined($peergroup)) {
+                    $peergroup = $config->returnValue("$as neighbor $neighbor interface peer-group");
+                }
+                if (! defined($peergroup)) {
+                    $peergroup = $config->returnValue("$as neighbor $neighbor interface v6only  peer-group");
+                }
             	if ($config->exists("$as peer-group $peergroup remote-as")) {
-		    $peergroupas = $config->returnValue("$as peer-group $peergroup remote-as");
+		            $peergroupas = $config->returnValue("$as peer-group $peergroup remote-as");
             	}
 	    }
             if ($config->exists("$as neighbor $neighbor address-family ipv6-unicast peer-group")) {
-		$peergroup6 = $config->returnValue("$as neighbor $neighbor address-family ipv6-unicast peer-group");
+		        $peergroup6 = $config->returnValue("$as neighbor $neighbor address-family ipv6-unicast peer-group");
             	if ($config->exists("$as peer-group $peergroup6 remote-as")
                     && $config->exists("$as peer-group $peergroup6 address-family ipv6-unicast")) {
-		    $peergroup6as = $config->returnValue("$as peer-group $peergroup6 remote-as");
+		            $peergroup6as = $config->returnValue("$as peer-group $peergroup6 remote-as");
             	}
-	    }
-
+	        }  
 	    die "[ protocols bgp $as neighbor $neighbor ]\n  must set remote-as or peer-group with remote-as defined\n"
 		if ((!defined($remoteas) && !defined($peergroupas)) && !$config->exists("$as parameters default no-ipv4-unicast"));
 
@@ -1520,7 +1587,15 @@ sub confed_iBGP_ASN {
     my @neighbors = $config->listOrigNodes('neighbor');
     foreach my $neighbor (@neighbors) {
       my $remoteas = $config->returnValue("neighbor $neighbor remote-as");
-      if ("$testas" eq "$remoteas") {
+      if (("$testas" eq "$remoteas") || ("$testas" eq "internal")) {
+        exit 1;
+      }
+      $remoteas = $config->returnValue("neighbor $neighbor interface remote-as");
+      if (("$testas" eq "$remoteas") || ("$testas" eq "internal")) {
+        exit 1;
+      }
+      $remoteas = $config->returnValue("neighbor $neighbor interface v6only remote-as");
+      if (("$testas" eq "$remoteas") || ("$testas" eq "internal")) {
         exit 1;
       }
     }
@@ -1643,14 +1718,16 @@ sub main
                   'address-family ipv6-unicast unsuppress-map');
 
    # notice the extra space in the level string.  keeps the parent from being deleted.
-   $qconfig->deleteConfigTreeRecursive('protocols bgp var neighbor var ', undef, \@ordered) || die "exiting $?\n";
-   $qconfig->deleteConfigTreeRecursive('protocols bgp var peer-group var ', undef, \@ordered) || die "exiting $?\n";
+   $qconfig->deleteConfigTreeRecursive('protocols bgp var neighbor var', undef, \@ordered) || die "exiting $?\n";
+   $qconfig->deleteConfigTreeRecursive('protocols bgp var peer-group var', undef, \@ordered) || die "exiting $?\n";
    $qconfig->deleteConfigTreeRecursive('protocols bgp') || die "exiting $?\n";
 
    ## sets with priority
    $qconfig->setConfigTreeRecursive('protocols bgp var parameters') || die "exiting $?\n";
    $qconfig->setConfigTreeRecursive('protocols bgp var peer-group', undef, \@ordered) || die "exiting $?\n";
    $qconfig->setConfigTreeRecursive('protocols bgp var neighbor var remote-as', undef, \@ordered) || die "exiting $?\n";
+   $qconfig->setConfigTreeRecursive('protocols bgp var neighbor var interface', undef, \@ordered) 
+                                    || die "exiting $?\n"; 
    $qconfig->setConfigTreeRecursive('protocols bgp var neighbor var address-family ipv6-unicast peer-group'
                                     , undef, \@ordered) || die "exiting $?\n";
    $qconfig->setConfigTreeRecursive('protocols bgp var neighbor var address-family ipv6-unicast'