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-rw-r--r--security/mit-krb5/patches/patch-bv117
1 files changed, 117 insertions, 0 deletions
diff --git a/security/mit-krb5/patches/patch-bv b/security/mit-krb5/patches/patch-bv
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index 00000000000..f2b272b8e13
--- /dev/null
+++ b/security/mit-krb5/patches/patch-bv
@@ -0,0 +1,117 @@
+$NetBSD: patch-bv,v 1.1 2010/02/24 19:07:51 tez Exp $
+
+--- lib/crypto/t_short.c.orig 2010-02-23 17:43:53.669981000 -0600
++++ lib/crypto/t_short.c 2010-02-23 17:43:53.670274200 -0600
+@@ -0,0 +1,112 @@
++/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
++/*
++ * lib/crypto/crypto_tests/t_short.c
++ *
++ * Copyright (C) 2009 by the Massachusetts Institute of Technology.
++ * All rights reserved.
++ *
++ * Export of this software from the United States of America may
++ * require a specific license from the United States Government.
++ * It is the responsibility of any person or organization contemplating
++ * export to obtain such a license before exporting.
++ *
++ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
++ * distribute this software and its documentation for any purpose and
++ * without fee is hereby granted, provided that the above copyright
++ * notice appear in all copies and that both that copyright notice and
++ * this permission notice appear in supporting documentation, and that
++ * the name of M.I.T. not be used in advertising or publicity pertaining
++ * to distribution of the software without specific, written prior
++ * permission. Furthermore if you modify this software you must label
++ * your software as modified software and not distribute it in such a
++ * fashion that it might be confused with the original M.I.T. software.
++ * M.I.T. makes no representations about the suitability of
++ * this software for any purpose. It is provided "as is" without express
++ * or implied warranty.
++ *
++ * Tests the outcome of decrypting overly short tokens. This program can be
++ * run under a tool like valgrind to detect bad memory accesses; when run
++ * normally by the test suite, it verifies that each operation returns
++ * KRB5_BAD_MSIZE.
++ */
++
++#include "k5-int.h"
++
++krb5_enctype interesting_enctypes[] = {
++ ENCTYPE_DES_CBC_CRC,
++ ENCTYPE_DES_CBC_MD4,
++ ENCTYPE_DES_CBC_MD5,
++ ENCTYPE_DES3_CBC_SHA1,
++ ENCTYPE_ARCFOUR_HMAC,
++ ENCTYPE_ARCFOUR_HMAC_EXP,
++ ENCTYPE_AES256_CTS_HMAC_SHA1_96,
++ ENCTYPE_AES128_CTS_HMAC_SHA1_96,
++ 0
++};
++
++/* Abort if an operation unexpectedly fails. */
++static void
++x(krb5_error_code code)
++{
++ if (code != 0)
++ abort();
++}
++
++/* Abort if a decrypt operation doesn't have the expected result. */
++static void
++check_decrypt_result(krb5_error_code code, size_t len, size_t min_len)
++{
++ if (len < min_len) {
++ /* Undersized tokens should always result in BAD_MSIZE. */
++ if (code != KRB5_BAD_MSIZE)
++ abort();
++ } else {
++ /* Min-size tokens should succeed or fail the integrity check. */
++ if (code != 0 && code != KRB5KRB_AP_ERR_BAD_INTEGRITY)
++ abort();
++ }
++}
++
++static void
++test_enctype(krb5_enctype enctype)
++{
++ krb5_error_code ret;
++ krb5_keyblock keyblock;
++ krb5_enc_data input;
++ krb5_data output;
++ size_t min_len, len;
++
++ printf("Testing enctype %d\n", (int) enctype);
++ x(krb5_c_encrypt_length(NULL, enctype, 0, &min_len));
++ x(krb5_c_make_random_key(NULL, enctype, &keyblock));
++ input.enctype = enctype;
++
++ /* Try each length up to the minimum length. */
++ for (len = 0; len <= min_len; len++) {
++ input.ciphertext.data = calloc(len, 1);
++ input.ciphertext.length = len;
++ output.data = calloc(len, 1);
++ output.length = len;
++
++ /* Attempt a normal decryption. */
++ ret = krb5_c_decrypt(NULL, &keyblock, 0, NULL, &input, &output);
++ check_decrypt_result(ret, len, min_len);
++
++ free(input.ciphertext.data);
++ free(output.data);
++ }
++}
++
++int
++main(int argc, char **argv)
++{
++ int i;
++ krb5_data notrandom;
++
++ notrandom.data = "notrandom";
++ notrandom.length = 9;
++ krb5_c_random_seed(NULL, &notrandom);
++ for (i = 0; interesting_enctypes[i]; i++)
++ test_enctype(interesting_enctypes[i]);
++ return 0;
++}