1 files changed, 62 insertions, 0 deletions
diff --git a/src/Protocols/GameSpy0/securevalidate.h b/src/Protocols/GameSpy0/securevalidate.h
new file mode 100644
index 0000000..b767bda
--- /dev/null
+++ b/src/Protocols/GameSpy0/securevalidate.h
@@ -0,0 +1,62 @@
+#ifndef SECUREVALIDATE_H
+#define SECUREVALIDATE_H
+
+#include <QString>
+#include "Protocols/overrides.h"
+
+// return both status and result string
+struct AuthResult {
+    bool    auth     = false;
+    QString validate = "";
+};
+
+// authenticate the beacon/client and return the validate string
+AuthResult validateGamename(const bool    &isBeacon,
+                            const QString &gamename,
+                            const QString &validate,
+                            const QString &cipherIn,
+                            const QString &secureIn,
+                            const int     &enctypeIn);
+
+// return validate string (acccepts unsanitised inputs)
+QString returnValidate(const QByteArray &cipher,
+                       const QByteArray &secure,
+                       const int        &enctype);
+
+// generate random challenge strings
+QString genChallengeString(const int len, const bool moreChars);
+
+
+// algorithm for the secure/validate challenge
+unsigned char charshift ( const unsigned char &reg );
+QString generateValidateString(const QByteArray &cipher,
+                               const QByteArray &secure,
+                               const int        &enctype);
+
+// pre-built characters for generating validate string
+const QString possibleCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+const QString moreCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
+
+/* Pre-built algorithm data for enctype 1 from Luigi Auriemma's
+ * gsmsalg 0.3.3, https://aluigi.altervista.org/papers/gsmsalg.h
+ * under GNU General Public License v2.
+ */
+const unsigned char enctype1_data[] = (
+"\x01\xba\xfa\xb2\x51\x00\x54\x80\x75\x16\x8e\x8e\x02\x08\x36\xa5"
+"\x2d\x05\x0d\x16\x52\x07\xb4\x22\x8c\xe9\x09\xd6\xb9\x26\x00\x04"
+"\x06\x05\x00\x13\x18\xc4\x1e\x5b\x1d\x76\x74\xfc\x50\x51\x06\x16"
+"\x00\x51\x28\x00\x04\x0a\x29\x78\x51\x00\x01\x11\x52\x16\x06\x4a"
+"\x20\x84\x01\xa2\x1e\x16\x47\x16\x32\x51\x9a\xc4\x03\x2a\x73\xe1"
+"\x2d\x4f\x18\x4b\x93\x4c\x0f\x39\x0a\x00\x04\xc0\x12\x0c\x9a\x5e"
+"\x02\xb3\x18\xb8\x07\x0c\xcd\x21\x05\xc0\xa9\x41\x43\x04\x3c\x52"
+"\x75\xec\x98\x80\x1d\x08\x02\x1d\x58\x84\x01\x4e\x3b\x6a\x53\x7a"
+"\x55\x56\x57\x1e\x7f\xec\xb8\xad\x00\x70\x1f\x82\xd8\xfc\x97\x8b"
+"\xf0\x83\xfe\x0e\x76\x03\xbe\x39\x29\x77\x30\xe0\x2b\xff\xb7\x9e"
+"\x01\x04\xf8\x01\x0e\xe8\x53\xff\x94\x0c\xb2\x45\x9e\x0a\xc7\x06"
+"\x18\x01\x64\xb0\x03\x98\x01\xeb\x02\xb0\x01\xb4\x12\x49\x07\x1f"
+"\x5f\x5e\x5d\xa0\x4f\x5b\xa0\x5a\x59\x58\xcf\x52\x54\xd0\xb8\x34"
+"\x02\xfc\x0e\x42\x29\xb8\xda\x00\xba\xb1\xf0\x12\xfd\x23\xae\xb6"
+"\x45\xa9\xbb\x06\xb8\x88\x14\x24\xa9\x00\x14\xcb\x24\x12\xae\xcc"
+"\x57\x56\xee\xfd\x08\x30\xd9\xfd\x8b\x3e\x0a\x84\x46\xfa\x77\xb8");
+
+#endif // SECUREVALIDATE_H