temp workaround for oidc auth dropping issue

Add a method to "kick" the refresh thread and re-post the tokens in the case where the thread is somehow still running & controller pushes out an AUTH_REQUIRED.  This situation happens in a corner case still under investigation where the controller pushes out many copies of the network config repeatedly

node/IncomingPacket.cpp

@@ -1058,9 +1058,11 @@ bool IncomingPacket::_doNETWORK_CONFIG(const RuntimeEnvironment *RR,void *tPtr,c
 {
 	const SharedPtr<Network> network(RR->node->network(at<uint64_t>(ZT_PACKET_IDX_PAYLOAD)));
 	if (network) {
+		fprintf(stderr, "IncomingPacket::_doNETWORK_CONFIG %.16llx\n", network->id());
 		const uint64_t configUpdateId = network->handleConfigChunk(tPtr,packetId(),source(),*this,ZT_PACKET_IDX_PAYLOAD);
 		if (configUpdateId) {
-			Packet outp(peer->address(),RR->identity.address(),Packet::VERB_OK);
+			fprintf(stderr, "Have config update ID: %llu\n", configUpdateId);
+			Packet outp(peer->address(), RR->identity.address(), Packet::VERB_OK);
 			outp.append((uint8_t)Packet::VERB_ECHO);
 			outp.append((uint64_t)packetId());
 			outp.append((uint64_t)network->id());
@@ -1068,7 +1070,9 @@ bool IncomingPacket::_doNETWORK_CONFIG(const RuntimeEnvironment *RR,void *tPtr,c
 			const int64_t now = RR->node->now();
 			outp.armor(peer->key(),true,peer->aesKeysIfSupported());
 			peer->recordOutgoingPacket(_path,outp.packetId(),outp.payloadLength(),outp.verb(),ZT_QOS_NO_FLOW,now);
-			_path->send(RR,tPtr,outp.data(),outp.size(),RR->node->now());
+			if (!_path->send(RR,tPtr,outp.data(),outp.size(),RR->node->now())) {
+				fprintf(stderr, "Error sending VERB_OK after NETWORK_CONFIG packet for %.16llx\n", network->id());
+			}
 		}
 	}
 

node/Network.cpp

@@ -984,7 +984,8 @@ uint64_t Network::handleConfigChunk(void *tPtr,const uint64_t packetId,const Add
 	}
 
 	if (nc) {
-		this->setConfiguration(tPtr,*nc,true);
+		fprintf(stderr, "Network::handleConfigChucnk->setConfiguration %.16llx\n", this->_id);
+		this->setConfiguration(tPtr, *nc, true);
 		delete nc;
 		return configUpdateId;
 	} else {

service/OneService.cpp

@@ -285,6 +285,11 @@ public:
 			const char* url = zeroidc::zeroidc_get_auth_url(_idc);
 			memcpy(_config.authenticationURL, url, strlen(url));
 			_config.authenticationURL[strlen(url)] = 0;
+
+			if (zeroidc::zeroidc_is_running(_idc) && nwc->status == ZT_NETWORK_STATUS_AUTHENTICATION_REQUIRED) {
+				// TODO: kick the refresh thread
+				zeroidc::zeroidc_kick_refresh_thread(_idc);
+			}
 		}
 	}
 

zeroidc/src/ext.rs

@@ -218,3 +218,16 @@ pub extern "C" fn zeroidc_network_id_from_state(state: *const c_char) -> *const
     let s = CString::new(split[1]).unwrap();
     return s.into_raw();
 }
+
+#[no_mangle]
+pub extern "C" fn zeroidc_kick_refresh_thread(idc: *mut ZeroIDC) {
+    if idc.is_null() {
+        println!("idc is null");
+        return;
+    }
+    let idc = unsafe {
+        &mut *idc
+    };
+
+    idc.kick_refresh_thread();
+}

zeroidc/src/lib.rs

@@ -48,6 +48,7 @@ struct Inner {
     access_token: Option<AccessToken>,
     refresh_token: Option<RefreshToken>,
     exp_time: u64,
+    kick: bool,
 
     url: Option<Url>,
     csrf_token: Option<CsrfToken>,
@@ -109,6 +110,7 @@ impl ZeroIDC {
                 access_token: None,
                 refresh_token: None,
                 exp_time: 0,
+                kick: false,
 
                 url: None,
                 csrf_token: None,
@@ -138,6 +140,11 @@ impl ZeroIDC {
         Ok(idc)
     }
 
+    fn kick_refresh_thread(&mut self) {
+        let local = Arc::clone(&self.inner);
+        (*local.lock().unwrap()).kick = true;
+    }
+
     fn start(&mut self) {
         let local = Arc::clone(&self.inner);
 
@@ -160,7 +167,15 @@ impl ZeroIDC {
                     }
                     let refresh_token = (*inner_local.lock().unwrap()).refresh_token.clone();
                     if let Some(refresh_token) =  refresh_token {
-                        if now >= (exp - Duration::from_secs(30)) {
+                        let should_kick = (*inner_local.lock().unwrap()).kick;
+                        if now >= (exp - Duration::from_secs(30)) || should_kick {
+                            if should_kick {
+                                #[cfg(debug_assertions)] {
+                                    println!("refresh thread kicked");
+                                }
+                                (*inner_local.lock().unwrap()).kick = false;
+                            }
+
                             let token_response = (*inner_local.lock().unwrap()).oidc_client.as_ref().map(|c| {
                                 let res = c.exchange_refresh_token(&refresh_token)
                                     .request(http_client);
@@ -356,6 +371,11 @@ impl ZeroIDC {
     pub fn set_nonce_and_csrf(&mut self, csrf_token: String, nonce: String) {
         let local = Arc::clone(&self.inner);
         (*local.lock().expect("can't lock inner")).as_opt().map(|i| {
+            if i.running {
+                println!("refresh thread running. not setting new nonce or csrf");
+                return
+            }
+
             let need_verifier = match i.pkce_verifier {
                 None => true,
                 _ => false,