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-rw-r--r--ext/etc/etc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/etc/etc.c b/ext/etc/etc.c
index 94c8b6b85f..7c8fba3b8f 100644
--- a/ext/etc/etc.c
+++ b/ext/etc/etc.c
@@ -35,6 +35,8 @@ char *getenv();
char *getlogin();
/* Returns the short user name of the currently logged in user.
+ * Unfortunately, it is often rather easy to fool getlogin().
+ * Avoid getlogin() for security-related purposes.
*
* e.g.
* Etc.getlogin -> 'guest'