1 files changed, 24 insertions, 0 deletions
diff --git a/src/detection/tpm/tpm_linux.c b/src/detection/tpm/tpm_linux.c
new file mode 100644
index 0000000..040da38
--- /dev/null
+++ b/src/detection/tpm/tpm_linux.c
@@ -0,0 +1,24 @@
+#include "tpm.h"
+#include "common/io.h"
+
+const char* ffDetectTPM(FFTPMResult* result) {
+    if (!ffPathExists("/sys/class/tpm/tpm0/", FF_PATHTYPE_DIRECTORY)) {
+        if (!ffPathExists("/sys/class/tpm/", FF_PATHTYPE_DIRECTORY)) {
+            return "TPM is not supported by kernel";
+        }
+        return "TPM device is not found";
+    }
+
+    if (ffReadFileBuffer("/sys/class/tpm/tpm0/tpm_version_major", &result->version)) {
+        ffStrbufTrimRightSpace(&result->version);
+        if (ffStrbufEqualS(&result->version, "2")) {
+            ffStrbufSetStatic(&result->version, "2.0");
+        }
+    }
+
+    if (ffReadFileBuffer("/sys/class/tpm/tpm0/device/description", &result->description)) {
+        ffStrbufTrimRightSpace(&result->description);
+    }
+
+    return NULL;
+}