extract ca test function

toniebox-reverse-engineering · Oct 2, 2024 · 9d770e1 · 9d770e1
1 parent c4fce1f
commit 9d770e1
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Showing 2 changed files with 29 additions and 20 deletions.
diff --git a/include/settings.h b/include/settings.h
@@ -648,5 +648,6 @@ bool settings_set_by_string_id(const char *item, const char *value, uint8_t sett
 void settings_load_all_certs();
 error_t settings_try_load_certs_id(uint8_t settingsId);
 error_t settings_load_certs_id(uint8_t settingsId);
+bool test_boxine_ca(uint8_t settingsId);
 
 #endif
diff --git a/src/settings.c b/src/settings.c
@@ -1597,33 +1597,14 @@ error_t settings_try_load_certs_id(uint8_t settingsId)
     load_cert("internal.client.crt", "core.client_cert.file.crt", "core.client_cert.data.crt", settingsId);
     load_cert("internal.client.key", "core.client_cert.file.key", "core.client_cert.data.key", settingsId);
 
-    const char *client_ca_crt = settings_get_string("internal.client.ca");
-
-    size_t boxine_ca_length = 2008;
-    size_t ca_length = osStrlen(client_ca_crt);
-    if (ca_length > 0)
-    {
-        if (ca_length != boxine_ca_length)
-        {
-            TRACE_WARNING("Client CA length mismatch %" PRIuSIZE " expected %" PRIuSIZE "\r\n", ca_length, boxine_ca_length);
-        }
-        else
-        {
-            if (osStrstr(client_ca_crt, "MC0JveGluZSBHbW") == NULL   // Boxine GmbH
-                || osStrstr(client_ca_crt, "DAlCb3hpbmUgQ") == NULL) // Boxine
-            {
-                TRACE_WARNING("Client CA does not match Boxine\r\n");
-            }
-        }
-    }
+    test_boxine_ca(settingsId);
 
     const char *server_crt = settings_get_string("internal.server.crt");
     const char *server_ca_crt = settings_get_string("internal.server.ca");
 
     char *chain = custom_asprintf("%s%s", server_crt, server_ca_crt);
     settings_set_string_id("internal.server.cert_chain", chain, settingsId);
     osFreeMem(chain);
-
     return NO_ERROR;
 }
 
@@ -1648,3 +1629,30 @@ error_t settings_load_certs_id(uint8_t settingsId)
 
     return NO_ERROR;
 }
+
+bool test_boxine_ca(uint8_t settingsId)
+{
+    const char *client_ca_crt = settings_get_string_id("internal.client.ca", settingsId);
+
+    size_t boxine_ca_length = 2008;
+    size_t ca_length = osStrlen(client_ca_crt);
+    if (ca_length > 0)
+    {
+        if (ca_length != boxine_ca_length)
+        {
+            TRACE_WARNING("Client CA length mismatch %" PRIuSIZE " expected %" PRIuSIZE "\r\n", ca_length, boxine_ca_length);
+            return false;
+        }
+        else
+        {
+            if (osStrstr(client_ca_crt, "MC0JveGluZSBHbW") == NULL   // Boxine GmbH
+                || osStrstr(client_ca_crt, "DAlCb3hpbmUgQ") == NULL) // Boxine
+            {
+                TRACE_WARNING("Client CA does not match Boxine\r\n");
+                return false;
+            }
+        }
+        return true;
+    }
+    return false;
+}