passwd: check_password: Use shadow entry for logs

Always use the name in shadow entry for logging. This reduces the
amount of data retrieved from password entry to bare minimum, i.e.
passing through into library call.

Reviewed-by: Alejandro Colomar <alx@kernel.org>
Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>

diff --git a/src/passwd.c b/src/passwd.c
index 961dd0f00bdfac0e89fa6bc0df8de15962221b6e..9c0349f39dd05ee814f18906e979dba238546a0a 100644 (file)
--- a/src/passwd.c
+++ b/src/passwd.c
@@ -436,8 +436,8 @@ static void check_password (const struct passwd *pw, const struct spwd *sp)
                if (now < ok) {
                        (void) fprintf (stderr,
                                        _("The password for %s cannot be changed yet.\n"),
-                                       pw->pw_name);
-                       SYSLOG ((LOG_WARN, "now < minimum age for '%s'", pw->pw_name));
+                                       sp->sp_namp);
+                       SYSLOG ((LOG_WARN, "now < minimum age for '%s'", sp->sp_namp));
                        closelog ();
                        exit (E_NOPERM);
                }