1 files changed, 56 insertions, 0 deletions
diff --git a/host/lib/include/chromeos_config.h b/host/lib/include/chromeos_config.h
new file mode 100644
index 00000000..e83570e5
--- /dev/null
+++ b/host/lib/include/chromeos_config.h
@@ -0,0 +1,56 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef VBOOT_REFERENCE_CHROMEOS_CONFIG_H_
+#define VBOOT_REFERENCE_CHROMEOS_CONFIG_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "2common.h"
+#include "2return_codes.h"
+
+/**
+ * Get a value from the model configuration on the device as a string.
+ *
+ * Note: this function allocates memory by its use of vb2_read_file, and relies
+ * on the caller to free the allocated memory. The output parameter will be set
+ * to NULL upon failure, so free can be safely called on this parameter.
+ *
+ * @param path          The path in the config schema to the object containing
+ *                      the requested property.
+ * @param property      The name of the requested property.
+ * @param val_out       Output parameter which gets assigned to a
+ *                      null-terminated string.
+ * @return VB2_SUCCESS on success, or a relevant error upon error.
+ */
+vb2_error_t chromeos_config_get_string(const char *path, const char *property,
+				       char **val_out);
+
+/**
+ * Get a value from the model configuration on the device as a boolean.
+ *
+ * @param path          The path in the config schema to the object containing
+ *                      the requested property.
+ * @param property      The name of the requested property.
+ * @param val_out       Output parameter which gets assigned to a boolean.
+ * @return VB2_SUCCESS on success, or a relevant error upon error.
+ */
+vb2_error_t chromeos_config_get_boolean(const char *path, const char *property,
+					bool *val_out);
+
+/**
+ * Get a value from the model configuration on the device as an integer.
+ *
+ * @param path          The path in the config schema to the object containing
+ *                      the requested property.
+ * @param property      The name of the requested property.
+ * @param val_out       Output parameter which gets assigned to an integer.
+ * @return VB2_SUCCESS on success, or a relevant error upon error.
+ */
+vb2_error_t chromeos_config_get_integer(const char *path, const char *property,
+					int *val_out);
+
+#endif /* VBOOT_REFERENCE_CHROMEOS_CONFIG_H_ */