Add setExternalPlugin command

2020-12-03 16:32:40 +01:00
parent fbbc11a54a
commit b821c0d8a7
8 changed files with 137 additions and 22 deletions
--- a/src_features/setExternalPlugin/cmd_setExternalPlugin.c
+++ b/src_features/setExternalPlugin/cmd_setExternalPlugin.c
@@ -0,0 +1,51 @@
+#include "shared_context.h"
+#include "apdu_constants.h"
+#include "ui_flow.h"
+
+void handleSetExternalPlugin(uint8_t p1,
+                             uint8_t p2,
+                             uint8_t *workBuffer,
+                             uint16_t dataLength,
+                             unsigned int *flags,
+                             unsigned int *tx) {
+    UNUSED(p1);
+    UNUSED(p2);
+    UNUSED(flags);
+    uint8_t pluginNameLength = dataLength;
+
+    if (dataLength < 1) {
+        THROW(0x6A80);
+    }
+
+    if (pluginNameLength + 1 > sizeof(dataContext.tokenContext.pluginName)) {
+        THROW(0x6A80);
+    }
+
+    memmove(dataContext.tokenContext.pluginName, workBuffer, pluginNameLength);
+    dataContext.tokenContext.pluginName[pluginNameLength] = '\0';
+
+    PRINTF("Check external plugin %s\n", dataContext.tokenContext.pluginName);
+
+    // Check if the plugin is present on the device
+    uint32_t params[2];
+    params[0] = (uint32_t) dataContext.tokenContext.pluginName;
+    params[1] = ETH_PLUGIN_CHECK_PRESENCE;
+    BEGIN_TRY {
+        TRY {
+            os_lib_call(params);
+        }
+        CATCH_OTHER(e) {
+            PRINTF("%s external plugin is not present\n", dataContext.tokenContext.pluginName);
+            THROW(0x6984);
+        }
+        FINALLY {
+        }
+    }
+    END_TRY;
+
+    tmpCtx.transactionContext.externalPluginIsSet = true;
+    PRINTF("Plugin found\n");
+
+    G_io_apdu_buffer[(*tx)++] = 0x90;
+    G_io_apdu_buffer[(*tx)++] = 0x00;
+}