Mark ssl_passphrase_command as GUC_SUPERUSER_ONLY.

MasaoFujii · MasaoFujii · commit d9249441efc5 · 2020-03-09T11:41:31.000+09:00
This commit changes the GUC ssl_passphrase_command so that it's examinable by only superuser and a member of pg_read_all_settings. Per discussion, we determined to do this because the parameter may contain a sensitive informtaion like a passphrase itself. Author: Insung Moon Reviewed-by: Keisuke Kuroda Discussion: https://postgr.es/m/CAEMmqBuHVGayc+QkYKgx3gWSdqwTAQGw+0DYn3WhcX-eNa2ntA@mail.gmail.com
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
@@ -4268,7 +4268,8 @@ static struct config_string ConfigureNamesString[] =
 	{
 		{"ssl_passphrase_command", PGC_SIGHUP, CONN_AUTH_SSL,
 			gettext_noop("Command to obtain passphrases for SSL."),
-			NULL
+			NULL,
+			GUC_SUPERUSER_ONLY
 		},
 		&ssl_passphrase_command,
 		"",
