index d5f75a1f8ca113124640df971550676ec3256053..0f6ac084dfbd8fd5856f9cd544b4a2b21e5b6033 100644 (file)
--- a/linker/linker_environ.h
+++ b/linker/linker_environ.h
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+
#ifndef LINKER_ENVIRON_H
#define LINKER_ENVIRON_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Call this function before anything else. 'vecs' must be the pointer
- * to the environment block in the ELF data block. The function returns
- * the start of the aux vectors after the env block.
- */
-extern unsigned* linker_env_init(unsigned* vecs);
+class KernelArgumentBlock;
-/* Unset a given environment variable. In case the variable is defined
- * multiple times, unset all instances. This modifies the environment
- * block, so any pointer returned by linker_env_get() after this call
- * might become invalid */
-extern void linker_env_unset(const char* name);
+// Call this function before any of the other functions in this header file.
+extern void linker_env_init(KernelArgumentBlock& args);
-
-/* Returns the value of environment variable 'name' if defined and not
- * empty, or NULL otherwise. Note that the returned pointer may become
- * invalid if linker_env_unset() or linker_env_secure() are called
- * after this function. */
+// Returns the value of environment variable 'name' if defined and not
+// empty, or null otherwise.
extern const char* linker_env_get(const char* name);
-/* Remove insecure environment variables. This should be used when
- * running setuid programs. */
-extern void linker_env_secure(void);
-
-#ifdef __cplusplus
-};
-#endif
+// Returns the value of this program's AT_SECURE variable.
+extern bool get_AT_SECURE();
-#endif /* LINKER_ENVIRON_H */
+#endif // LINKER_ENVIRON_H