swanctl.conf: change to host2host

Fix the problem of ipsec only working properly in
client -> server direction, as described in OS#5675.

ipsec-gtp/README.md

@@ -15,7 +15,7 @@ How to use:
 * server: copy server.network contents to /etc/systemd/network/
 * client: copy client.network contents to /etc/systemd/network/
 * client and server: start charon-systemd (debian: `systemctl start strongswan`)
-* client: run `swanctl --initiate --child home`
+* client: run `swanctl --initiate --child host-host`
 * client: run `client.gtp.sh`
 * server: run `server.gtp.sh`
 

ipsec-gtp/client.swanctl.conf

@@ -1,6 +1,6 @@
 connections {
 
-   home {
+   host-host {
       local_addrs  = 10.0.0.2
       remote_addrs = 10.0.0.1
 
@@ -13,9 +13,9 @@ connections {
          id = moon.strongswan.org
       }
       children {
-         home {
-            remote_ts = 10.1.0.0/16
-
+         host-host {
+	    local_ts = 10.1.0.2
+	    remote_ts = 10.1.0.1
             updown = /usr/lib/ipsec/_updown iptables
             # esp_proposals = aes128gcm128-x25519
 	    esp_proposals = null-null

ipsec-gtp/server.swanctl.conf

@@ -1,7 +1,8 @@
 connections {
 
-   rw {
+   host-host {
       local_addrs  = 10.0.0.1
+      remote_addrs = 10.0.0.2
 
       local {
          auth = pubkey
@@ -12,9 +13,9 @@ connections {
          auth = psk
       }
       children {
-         net {
-            local_ts  = 10.1.0.0/16
-
+         host-host {
+	    local_ts = 10.1.0.1
+	    remote_ts = 10.1.0.2
 	    updown = /usr/lib/ipsec/_updown iptables
             # esp_proposals = aes128gcm128-x25519
 	    esp_proposals = null-null