X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/yaid/blobdiff_plain/b9eb1a366ff0127c49a0589905435680b137d49f..HEAD:/policy.c

diff --git a/policy.c b/policy.c
index 9a9e2e2..9cb9af9 100644
--- a/policy.c
+++ b/policy.c
@@ -441,6 +441,11 @@ fail:
 
 /* Open a policy file by NAME.  The description WHAT and query Q are used for
  * formatting error messages for the log.
+ *
+ * This function is somewhat careful only to read from actual regular files,
+ * though (if the filesystem object identified by NAME is a symlink, say) it
+ * might open a device node or other exotic thing without reading it.  This
+ * is likely harmless, since we're running as an unprivileged user anyway.
  */
 int open_policy_file(struct policy_file *pf, const char *name,
 		     const char *what, const struct query *q, unsigned f)