refactor as extensions

2018-09-12 22:32:15 -04:00
parent 86aa5ec657
commit 961ea9a20d
6 changed files with 121 additions and 102 deletions
--- a/fido2/extensions/extensions.c
+++ b/fido2/extensions/extensions.c
@ -0,0 +1,59 @@
+#include <stdint.h>
+#include "extensions.h"
+#include "u2f.h"
+#include "wallet.h"
+
+#include "log.h"
+
+int16_t extend_u2f(struct u2f_request_apdu* req, uint32_t len)
+{
+
+    struct u2f_authenticate_request * auth = (struct u2f_authenticate_request *) req->payload;
+    uint16_t rcode;
+
+    if (req->ins == U2F_AUTHENTICATE)
+    {
+        if (req->p1 == U2F_AUTHENTICATE_CHECK)
+        {
+
+            if (is_wallet_device((uint8_t *) &auth->kh, auth->khl))     // Pin requests
+            {
+                rcode =  U2F_SW_CONDITIONS_NOT_SATISFIED;
+            }
+            else
+            {
+                rcode =  U2F_SW_WRONG_DATA;
+            }
+            printf1(TAG_WALLET,"Ignoring U2F request\n");
+            goto end;
+        }
+        else
+        {
+            if ( ! is_wallet_device((uint8_t *) &auth->kh, auth->khl))     // Pin requests
+            {
+                rcode = U2F_SW_WRONG_PAYLOAD;
+                printf1(TAG_WALLET,"Ignoring U2F request\n");
+                goto end;
+            }
+            rcode = bridge_u2f_to_wallet(auth->chal, auth->app, auth->khl, (uint8_t*)&auth->kh);
+        }
+    }
+    else if (req->ins == U2F_VERSION)
+    {
+        printf1(TAG_U2F, "U2F_VERSION\n");
+        if (len)
+        {
+            rcode = U2F_SW_WRONG_LENGTH;
+        }
+        else
+        {
+            rcode = u2f_version();
+        }
+    }
+    else
+    {
+        rcode = U2F_SW_INS_NOT_SUPPORTED;
+    }
+end:
+    return rcode;
+}