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-rw-r--r--source4/torture/auth/pac.c253
1 files changed, 253 insertions, 0 deletions
diff --git a/source4/torture/auth/pac.c b/source4/torture/auth/pac.c
new file mode 100644
index 0000000000..79cae5cbea
--- /dev/null
+++ b/source4/torture/auth/pac.c
@@ -0,0 +1,253 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Validate the krb5 pac generation routines
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "system/kerberos.h"
+#include "system/time.h"
+#include "system/network.h"
+#include "auth/auth.h"
+#include "auth/kerberos/kerberos.h"
+#include "librpc/gen_ndr/ndr_krb5pac.h"
+#include "auth/auth.h"
+
+static BOOL torture_pac_self_check(void)
+{
+ NTSTATUS nt_status;
+ TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "PAC self check");
+ DATA_BLOB tmp_blob;
+ struct PAC_LOGON_INFO *pac_info;
+
+ /* Generate a nice, arbitary keyblock */
+ uint8_t server_bytes[16];
+ uint8_t krbtgt_bytes[16];
+ krb5_keyblock server_keyblock;
+ krb5_keyblock krbtgt_keyblock;
+
+ krb5_error_code ret;
+
+ struct smb_krb5_context *smb_krb5_context;
+
+ struct auth_serversupplied_info *server_info;
+
+ ret = smb_krb5_init_context(mem_ctx, &smb_krb5_context);
+
+ if (ret) {
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ generate_random_buffer(server_bytes, 16);
+ generate_random_buffer(krbtgt_bytes, 16);
+
+ ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
+ ENCTYPE_ARCFOUR_HMAC,
+ server_bytes, sizeof(server_bytes),
+ &server_keyblock);
+ if (ret) {
+ DEBUG(1, ("Server Keyblock encoding failed: %s\n",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
+
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
+ ENCTYPE_ARCFOUR_HMAC,
+ krbtgt_bytes, sizeof(krbtgt_bytes),
+ &krbtgt_keyblock);
+ if (ret) {
+ DEBUG(1, ("KRBTGT Keyblock encoding failed: %s\n",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ /* We need an input, and this one requires no underlying database */
+ nt_status = auth_anonymous_server_info(mem_ctx, &server_info);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ /* OK, go ahead and make a PAC */
+ ret = kerberos_encode_pac(mem_ctx, server_info,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ &tmp_blob);
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+
+ if (ret) {
+ DEBUG(1, ("PAC encoding failed: %s\n",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ /* Now check that we can read it back */
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_info,
+ tmp_blob,
+ smb_krb5_context,
+ &server_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ if (ret) {
+ DEBUG(1, ("PAC decoding failed: %s\n",
+ nt_errstr(nt_status)));
+
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ talloc_free(mem_ctx);
+ return True;
+}
+
+
+/* This is the PAC generated on my test network, by my test Win2k3 server.
+ -- abartlet 2005-07-04
+ */
+
+static const char saved_pac[] = {
+ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd8, 0x01, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
+ 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+ 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+ 0x58, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x10, 0x08, 0x00, 0xcc, 0xcc, 0xcc, 0xcc,
+ 0xc8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x30, 0xdf, 0xa6, 0xcb,
+ 0x4f, 0x7d, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0x7f, 0xc0, 0x3c, 0x4e, 0x59, 0x62, 0x73, 0xc5, 0x01, 0xc0, 0x3c, 0x4e, 0x59,
+ 0x62, 0x73, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x16, 0x00, 0x16, 0x00,
+ 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x0c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x14, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x02, 0x00, 0x65, 0x00, 0x00, 0x00,
+ 0xed, 0x03, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x02, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x16, 0x00, 0x20, 0x00, 0x02, 0x00, 0x16, 0x00, 0x18, 0x00,
+ 0x24, 0x00, 0x02, 0x00, 0x28, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
+ 0x57, 0x00, 0x32, 0x00, 0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00,
+ 0x41, 0x00, 0x4c, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
+ 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x57, 0x00, 0x32, 0x00,
+ 0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x41, 0x00, 0x4c, 0x00,
+ 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x57, 0x00, 0x49, 0x00,
+ 0x4e, 0x00, 0x32, 0x00, 0x4b, 0x00, 0x33, 0x00, 0x54, 0x00, 0x48, 0x00, 0x49, 0x00, 0x4e, 0x00,
+ 0x4b, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
+ 0x15, 0x00, 0x00, 0x00, 0x11, 0x2f, 0xaf, 0xb5, 0x90, 0x04, 0x1b, 0xec, 0x50, 0x3b, 0xec, 0xdc,
+ 0x01, 0x00, 0x00, 0x00, 0x30, 0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x80, 0x66, 0x28, 0xea, 0x37, 0x80, 0xc5, 0x01, 0x16, 0x00, 0x77, 0x00, 0x32, 0x00, 0x30, 0x00,
+ 0x30, 0x00, 0x33, 0x00, 0x66, 0x00, 0x69, 0x00, 0x6e, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x24, 0x00,
+ 0x76, 0xff, 0xff, 0xff, 0x37, 0xd5, 0xb0, 0xf7, 0x24, 0xf0, 0xd6, 0xd4, 0xec, 0x09, 0x86, 0x5a,
+ 0xa0, 0xe8, 0xc3, 0xa9, 0x00, 0x00, 0x00, 0x00, 0x76, 0xff, 0xff, 0xff, 0xb4, 0xd8, 0xb8, 0xfe,
+ 0x83, 0xb3, 0x13, 0x3f, 0xfc, 0x5c, 0x41, 0xad, 0xe2, 0x64, 0x83, 0xe0, 0x00, 0x00, 0x00, 0x00
+};
+
+/* Check with a known 'well formed' PAC, from my test server */
+static BOOL torture_pac_saved_check(void)
+{
+ NTSTATUS nt_status;
+ TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "PAC saved check");
+ DATA_BLOB tmp_blob;
+ struct PAC_LOGON_INFO *pac_info;
+ krb5_keyblock server_keyblock;
+ uint8_t server_bytes[16];
+
+ krb5_error_code ret;
+
+ struct smb_krb5_context *smb_krb5_context;
+
+ ret = smb_krb5_init_context(mem_ctx, &smb_krb5_context);
+
+ if (ret) {
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ /* The machine trust account in use when the above PAC
+ was generated. It used arcfour-hmac-md5, so this is easy */
+ E_md4hash("iqvwmii8CuEkyY", server_bytes);
+
+ ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
+ ENCTYPE_ARCFOUR_HMAC,
+ server_bytes, sizeof(server_bytes),
+ &server_keyblock);
+ if (ret) {
+ DEBUG(1, ("Server Keyblock encoding failed: %s\n",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
+
+ talloc_free(mem_ctx);
+ return False;
+ }
+
+ tmp_blob = data_blob_const(saved_pac, sizeof(saved_pac));
+
+ /* Decode and verify the signaure on the PAC */
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_info,
+ tmp_blob,
+ smb_krb5_context,
+ &server_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ if (ret) {
+ DEBUG(1, ("PAC decoding failed: %s\n",
+ nt_errstr(nt_status)));
+
+ talloc_free(mem_ctx);
+ return False;
+ }
+ talloc_free(mem_ctx);
+ return True;
+}
+
+BOOL torture_pac(void)
+{
+ BOOL ret = True;
+ ret &= torture_pac_self_check();
+ ret &= torture_pac_saved_check();
+ return ret;
+}
generated by cgit (git 2.34.1) at 2024-11-24 14:59:53 +0000