Fixes from Erik Hovland: cli-authpubkey.c: fix leak of keybuf cli-kex.c: fix leak of fingerprint fp cli-service.c: remove commented out code dropbearkey.c: don't attepmt to free NULL key on failure common-kex.c: only free key if it is initialised keyimport.c: remove dead encrypted-key code don't leak a FILE* loading OpenSSH keys rsa.c, dss.c: check return values for some libtommath functions svr-kex.c: check return value retrieving DH kex mpint svr-tcpfwd.c: fix null-dereference if remote tcp forward request fails tcp-accept.c: don't incorrectly free the tcpinfo var

--- a/dss.c	Fri Jul 07 07:00:10 2006 +0000
+++ b/dss.c	Fri Jul 07 09:17:18 2006 +0000
@@ -338,7 +338,9 @@
 	/* generate k */
 	m_mp_init(&dss_protok);
 	bytes_to_mp(&dss_protok, proto_k, SHA512_HASH_SIZE);
-	mp_mod(&dss_protok, key->q, &dss_k);
+	if (mp_mod(&dss_protok, key->q, &dss_k) != MP_OKAY) {
+		dropbear_exit("dss error");
+	}
 	mp_clear(&dss_protok);
 	m_burn(proto_k, SHA512_HASH_SIZE);
 #else /* DSS_PROTOK not defined*/