OEMCrypto v18.3

Updates to OEMCrypto API, OPK, ODK, and unit tests.

See the file CHANGELOG.md for details.

linux/src/file_store.cpp

@@ -176,6 +176,22 @@ bool FileSystem::Exists(const std::string& path) {
   return res;
 }
 
+bool FileSystem::Exists(const std::string& path, int* errno_value) {
+  struct stat buf;
+  int error = 0;
+  int res = stat(path.c_str(), &buf) == 0;
+  if (!res) {
+    error = errno;
+    if (error == ENOENT) {
+      LOGI("stat failed: ENOENT");
+    } else {
+      LOGE("stat failed: %d, %s", error, strerror(error));
+    }
+  }
+  if (errno_value != nullptr) *errno_value = error;
+  return res;
+}
+
 bool FileSystem::Remove(const std::string& path) {
   if (IsDirectory(path)) {
     // Handle directory deletion

linux/src/log.cpp

@@ -25,7 +25,7 @@ void InitLogging() {
   // set by jenkins (http://go/wvbuild), so that we have more details when the
   // build breaks.
   const char* verbose_env = getenv("VERBOSE_LOG");
-  if (verbose_env && !strncmp(verbose_env, "yes", 3)) {
+  if (verbose_env && strncmp(verbose_env, "yes", 3) == 0) {
     g_cutoff = CDM_LOG_VERBOSE;
   }
 }