1 files changed, 70 insertions, 0 deletions
diff --git a/ostp.d/net/otd_auth.c b/ostp.d/net/otd_auth.c
new file mode 100644
index 0000000..9784356
--- /dev/null
+++ b/ostp.d/net/otd_auth.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <net/auth.h>
+#include <net/stpsession.h>
+#include <crypto/ecdh.h>
+#include <stdio.h>
+
+#define KEY_BYTE_WIDTH 32
+
+static void
+log_pubkey(char pubkey[KEY_BYTE_WIDTH])
+{
+    for (size_t i = 0; i < KEY_BYTE_WIDTH; ++i) {
+        printf("%02X ", pubkey[i] & 0xFF);
+        if (i != 0 && i % 4 == 0) {
+            printf("\n");
+        }
+    }
+}
+
+/*
+ * Verify the session request packet and handle
+ * the rest.
+ *
+ * @client_fd: File descriptor for client socket.
+ * @srq: Session request packet.
+ */
+int
+handle_srq(int client_fd, struct session_request *srq)
+{
+    struct x25519_keypair keypair;
+
+    printf("Got public key from peer: \n");
+    log_pubkey(srq->pubkey);
+    printf("Generating keys...\n");
+
+    if (gen_x25519_keypair(&keypair) < 0) {
+        printf("Key generation failed!\n");
+        return -1;
+    }
+
+    return 0;
+}