sets client version and compare it by the first word, without symbols…

… and in a case insensitive way
decenomy · Jul 29, 2021 · ce3b37a · ce3b37a
1 parent d7363ff
commit ce3b37a
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/src/clientversion.cpp b/src/clientversion.cpp
@@ -14,7 +14,7 @@
  * for both aezorad and aezora-qt, to make it harder for attackers to
  * target servers or GUI users specifically.
  */
-const std::string CLIENT_NAME("AEZORA");
+const std::string CLIENT_NAME("Aezora Core");
 
 /**
  * Client version number

diff --git a/src/main.cpp b/src/main.cpp
@@ -5114,7 +5114,21 @@ bool static ProcessMessage(CNode* pfrom, std::string strCommand, CDataStream& vR
             pfrom->cleanSubVer = cleanSubVer;
         }
 
-        if (pfrom->cleanSubVer.find(CLIENT_NAME) == std::string::npos) {
+        auto shortFromName = pfrom->cleanSubVer.substr(0, pfrom->cleanSubVer.find(' '));
+        auto shortName = CLIENT_NAME.substr(0, CLIENT_NAME.find(' '));
+
+        for (auto & c: shortFromName) c = toupper(c);
+        for (auto & c: shortName) c = toupper(c);
+
+        shortFromName.erase(
+            std::remove_if(
+                shortFromName.begin(), 
+                shortFromName.end(), 
+                []( char const& c ) -> bool { return !std::isalnum(c); }), 
+            shortFromName.end()
+        );
+
+        if (shortName.find(shortFromName) == std::string::npos) {
             LOCK(cs_main);
             Misbehaving(pfrom->GetId(), 100);
             pfrom->fDisconnect = true;