init: Abort if i2p/cjdns are chosen via -onlynet but unreachable

...because -i2psam or -cjdnsreachable are not provided.
This mimics existing behavior for -onlynet=onion and non-specified proxy.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/init.cpp b/src/init.cpp
index 20cb483a3a..606adb09a1 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1284,6 +1284,11 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
     }
 
     if (!args.IsArgSet("-cjdnsreachable")) {
+        if (args.IsArgSet("-onlynet") && IsReachable(NET_CJDNS)) {
+            return InitError(
+                _("Outbound connections restricted to CJDNS (-onlynet=cjdns) but "
+                  "-cjdnsreachable is not provided"));
+        }
         SetReachable(NET_CJDNS, false);
     }
     // Now IsReachable(NET_CJDNS) is true if:
@@ -1756,6 +1761,11 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
         }
         SetProxy(NET_I2P, Proxy{addr});
     } else {
+        if (args.IsArgSet("-onlynet") && IsReachable(NET_I2P)) {
+            return InitError(
+                _("Outbound connections restricted to i2p (-onlynet=i2p) but "
+                  "-i2psam is not provided"));
+        }
         SetReachable(NET_I2P, false);
     }