s4-test: added a test for E_deshash()

this particularly checks the boundary conditions near passwords of
length 14 characters

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>

Autobuild-User: Andrew Tridgell <tridge@samba.org>
Autobuild-Date: Wed Apr 13 07:31:55 CEST 2011 on sn-devel-104

3 files changed, 72 insertions, 1 deletions

diff --git a/source4/torture/auth/smbencrypt.c b/source4/torture/auth/smbencrypt.c
new file mode 100644
index 0000000000..79c90eb056
--- /dev/null
+++ b/source4/torture/auth/smbencrypt.c
@@ -0,0 +1,70 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   tests for smbencrypt code
+
+   Copyright (C) Andrew Tridgell 2011
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2011
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/auth/libcli_auth.h"
+#include "torture/torture.h"
+#include "torture/auth/proto.h"
+
+static bool torture_deshash(struct torture_context *tctx)
+{
+	struct {
+		const char *input;
+		uint8_t output[16];
+		bool should_pass;
+	} testcases[] = {
+		{ "",
+		  { 0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE,
+		    0xAA, 0xD3, 0xB4, 0x35, 0xB5, 0x14, 0x04, 0xEE }, true},
+		{ "abcdefgh",
+		  { 0xE0, 0xC5, 0x10, 0x19, 0x9C, 0xC6, 0x6A, 0xBD,
+		    0x5A, 0xCD, 0xCD, 0x7C, 0x24, 0x7F, 0xA8, 0x3A }, true},
+		{ "0123456789abc",
+		  { 0x56, 0x45, 0xF1, 0x3F, 0x50, 0x08, 0x82, 0xB2,
+		    0x50, 0x79, 0x8A, 0xE6, 0x33, 0x38, 0xAF, 0xE9 }, true},
+		{ "0123456789abcd",
+		  { 0x56, 0x45, 0xF1, 0x3F, 0x50, 0x08, 0x82, 0xB2,
+		    0x1A, 0xC3, 0x88, 0x4B, 0x83, 0x32, 0x45, 0x40 }, true},
+		{ "0123456789abcde",
+		  { 0x56, 0x45, 0xF1, 0x3F, 0x50, 0x08, 0x82, 0xB2,
+		    0x1A, 0xC3, 0x88, 0x4B, 0x83, 0x32, 0x45, 0x40 }, false},
+	};
+	int i;
+	for (i=0; i<ARRAY_SIZE(testcases); i++) {
+		uint8_t res[16];
+		bool ret;
+		ret = E_deshash(testcases[i].input, res);
+		torture_assert(tctx, ret == testcases[i].should_pass,
+			       "E_deshash bad result");
+		torture_assert_mem_equal(tctx, res, testcases[i].output, 16, "E_deshash bad return data");
+	}
+	return true;
+}
+
+struct torture_suite *torture_smbencrypt(TALLOC_CTX *mem_ctx)
+{
+	struct torture_suite *suite = torture_suite_create(mem_ctx, "smbencrypt");
+
+	torture_suite_add_simple_test(suite, "deshash check", torture_deshash);
+
+	return suite;
+}
diff --git a/source4/torture/local/local.c b/source4/torture/local/local.c
index 6452bd6e89..b11d3387cb 100644
--- a/source4/torture/local/local.c
+++ b/source4/torture/local/local.c
@@ -31,6 +31,7 @@
 { 
 	torture_local_binding_string, 
 	torture_ntlmssp, 
+	torture_smbencrypt,
 	torture_local_messaging, 
 	torture_local_irpc, 
 	torture_local_util_strlist, 
diff --git a/source4/torture/wscript_build b/source4/torture/wscript_build
index babe5f19e6..68ec4e6220 100644
--- a/source4/torture/wscript_build
+++ b/source4/torture/wscript_build
@@ -70,7 +70,7 @@ bld.SAMBA_MODULE('TORTURE_DFS',
 
 
 bld.SAMBA_MODULE('TORTURE_AUTH',
-	source='auth/ntlmssp.c auth/pac.c',
+	source='auth/ntlmssp.c auth/pac.c auth/smbencrypt.c',
 	autoproto='auth/proto.h',
 	subsystem='smbtorture',
 	deps='LIBCLI_SMB gensec auth4 authkrb5 POPT_CREDENTIALS smbpasswdparser torture com_err gensec_ntlmssp',