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
+ 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "auth/auth.h"
#include "auth/kerberos/kerberos.h"
#include "librpc/gen_ndr/ndr_krb5pac.h"
-#include "librpc/gen_ndr/ndr_samr.h"
+#include "samba3/samba3.h"
+#include "libcli/security/security.h"
+#include "torture/torture.h"
-#ifdef HAVE_KRB5
-
-static BOOL torture_pac_self_check(void)
+static bool torture_pac_self_check(struct torture_context *tctx)
{
NTSTATUS nt_status;
- TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "PAC self check");
DATA_BLOB tmp_blob;
- struct PAC_LOGON_INFO *pac_info;
+ struct PAC_DATA *pac_data;
+ struct PAC_LOGON_INFO *logon_info;
+ union netr_Validation validation;
/* Generate a nice, arbitary keyblock */
uint8_t server_bytes[16];
struct smb_krb5_context *smb_krb5_context;
struct auth_serversupplied_info *server_info;
+ struct auth_serversupplied_info *server_info_out;
- ret = smb_krb5_init_context(mem_ctx, &smb_krb5_context);
+ krb5_principal client_principal;
+ time_t logon_time = time(NULL);
- if (ret) {
- talloc_free(mem_ctx);
- return False;
- }
+ TALLOC_CTX *mem_ctx = tctx;
+
+ torture_assert(tctx, 0 == smb_krb5_init_context(mem_ctx,
+ NULL,
+ &smb_krb5_context),
+ "smb_krb5_init_context");
generate_random_buffer(server_bytes, 16);
generate_random_buffer(krbtgt_bytes, 16);
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;
- }
+ torture_assert(tctx, !ret, talloc_asprintf(tctx,
+ "(self test) Server Keyblock encoding failed: %s",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
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)));
-
+ char *err = 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;
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(self test) KRBTGT Keyblock encoding failed: %s", err));
}
/* We need an input, and this one requires no underlying database */
&server_keyblock);
krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
&krbtgt_keyblock);
- talloc_free(mem_ctx);
- return False;
+ torture_fail(tctx, "auth_anonymous_server_info");
}
-
+
+ ret = krb5_parse_name_flags(smb_krb5_context->krb5_context,
+ server_info->account_name,
+ KRB5_PRINCIPAL_PARSE_NO_REALM,
+ &client_principal);
+ if (ret) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ torture_fail(tctx, "krb5_parse_name_flags(norealm)");
+ }
+
/* OK, go ahead and make a PAC */
- ret = kerberos_encode_pac(mem_ctx, server_info,
+ ret = kerberos_create_pac(mem_ctx, server_info,
smb_krb5_context->krb5_context,
&krbtgt_keyblock,
&server_keyblock,
+ client_principal,
+ logon_time,
&tmp_blob);
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,
&krbtgt_keyblock);
krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
&server_keyblock);
- talloc_free(mem_ctx);
- return False;
+ krb5_free_principal(smb_krb5_context->krb5_context,
+ client_principal);
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(self test) PAC encoding failed: %s",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
}
dump_data(10,tmp_blob.data,tmp_blob.length);
/* Now check that we can read it back */
- nt_status = kerberos_decode_pac(mem_ctx, &pac_info,
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_data,
tmp_blob,
- smb_krb5_context,
+ smb_krb5_context->krb5_context,
&krbtgt_keyblock,
- &server_keyblock);
+ &server_keyblock,
+ client_principal,
+ logon_time, NULL);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context,
+ client_principal);
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(self test) PAC decoding failed: %s",
+ nt_errstr(nt_status)));
+ }
+
+ /* Now check that we can read it back */
+ nt_status = kerberos_pac_logon_info(mem_ctx, &logon_info,
+ tmp_blob,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal,
+ logon_time,
+ NULL);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context,
+ client_principal);
+
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(self test) PAC decoding (for logon info) failed: %s",
+ nt_errstr(nt_status)));
+ }
+
krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
&krbtgt_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;
+ krb5_free_principal(smb_krb5_context->krb5_context,
+ client_principal);
+
+ validation.sam3 = &logon_info->info3;
+ nt_status = make_server_info_netlogon_validation(mem_ctx,
+ "",
+ 3, &validation,
+ &server_info_out);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(self test) PAC decoding (make server info) failed: %s",
+ nt_errstr(nt_status)));
}
-
- talloc_free(mem_ctx);
- return True;
+
+ if (!dom_sid_equal(server_info->account_sid,
+ server_info_out->account_sid)) {
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(self test) PAC Decode resulted in *different* domain SID: %s != %s",
+ dom_sid_string(mem_ctx, server_info->account_sid),
+ dom_sid_string(mem_ctx, server_info_out->account_sid)));
+ }
+ 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[] = {
+static const uint8_t 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,
};
/* Check with a known 'well formed' PAC, from my test server */
-static BOOL torture_pac_saved_check(void)
+static bool torture_pac_saved_check(struct torture_context *tctx)
{
NTSTATUS nt_status;
- TALLOC_CTX *mem_ctx = talloc_named(NULL, 0, "PAC saved check");
DATA_BLOB tmp_blob, validate_blob;
- struct PAC_LOGON_INFO *pac_info;
- struct PAC_DATA pac_data;
+ struct PAC_DATA *pac_data, pac_data2;
+ struct PAC_LOGON_INFO *logon_info;
+ union netr_Validation validation;
+ const char *pac_file, *pac_kdc_key, *pac_member_key;
+ struct auth_serversupplied_info *server_info_out;
+
krb5_keyblock server_keyblock;
krb5_keyblock krbtgt_keyblock;
- uint8_t server_bytes[16];
- struct samr_Password *krbtgt_bytes;
+ struct samr_Password *krbtgt_bytes, *krbsrv_bytes;
krb5_error_code ret;
-
struct smb_krb5_context *smb_krb5_context;
- ret = smb_krb5_init_context(mem_ctx, &smb_krb5_context);
+ const char *principal_string;
+ char *broken_principal_string;
+ krb5_principal client_principal;
+ const char *authtime_string;
+ time_t authtime;
+ TALLOC_CTX *mem_ctx = tctx;
- if (ret) {
- talloc_free(mem_ctx);
- return False;
- }
+ torture_assert(tctx, 0 == smb_krb5_init_context(mem_ctx, NULL,
+ &smb_krb5_context),
+ "smb_krb5_init_context");
+
+ pac_kdc_key = torture_setting_string(tctx, "pac_kdc_key",
+ "B286757148AF7FD252C53603A150B7E7");
+
+ pac_member_key = torture_setting_string(tctx, "pac_member_key",
+ "D217FAEAE5E6B5F95CCC94077AB8A5FC");
+
+ torture_comment(tctx, "Using pac_kdc_key '%s'\n", pac_kdc_key);
+ torture_comment(tctx, "Using pac_member_key '%s'\n", pac_member_key);
- krbtgt_bytes = smbpasswd_gethexpwd(mem_ctx, "B286757148AF7FD252C53603A150B7E7");
+ /* The krbtgt key in use when the above PAC was generated.
+ * This is an arcfour-hmac-md5 key, extracted with our 'net
+ * samdump' tool. */
+ krbtgt_bytes = smbpasswd_gethexpwd(mem_ctx, pac_kdc_key);
if (!krbtgt_bytes) {
- DEBUG(0, ("Could not interpret krbtgt key"));
- talloc_free(mem_ctx);
- return False;
+ torture_fail(tctx, "(saved test) Could not interpret krbtgt key");
}
- /* 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);
+ krbsrv_bytes = smbpasswd_gethexpwd(mem_ctx, pac_member_key);
+ if (!krbsrv_bytes) {
+ torture_fail(tctx, "(saved test) Could not interpret krbsrv key");
+ }
ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
ENCTYPE_ARCFOUR_HMAC,
- server_bytes, sizeof(server_bytes),
+ krbsrv_bytes->hash, sizeof(krbsrv_bytes->hash),
&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;
- }
+ torture_assert(tctx, !ret,
+ talloc_asprintf(tctx,
+ "(saved test) Server Keyblock encoding failed: %s",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
ret = krb5_keyblock_init(smb_krb5_context->krb5_context,
ENCTYPE_ARCFOUR_HMAC,
krbtgt_bytes->hash, sizeof(krbtgt_bytes->hash),
&krbtgt_keyblock);
if (ret) {
- DEBUG(1, ("Server 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;
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) Server Keyblock encoding failed: %s",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context,
+ ret, mem_ctx)));
}
- tmp_blob = data_blob_const(saved_pac, sizeof(saved_pac));
+ pac_file = torture_setting_string(tctx, "pac_file", NULL);
+ if (pac_file) {
+ tmp_blob.data = (uint8_t *)file_load(pac_file, &tmp_blob.length, mem_ctx);
+ torture_comment(tctx, "(saved test) Loaded pac of size %ld from %s\n", (long)tmp_blob.length, pac_file);
+ } else {
+ tmp_blob = data_blob_talloc(mem_ctx, saved_pac, sizeof(saved_pac));
+ }
+
+ dump_data(10,tmp_blob.data,tmp_blob.length);
- /*tmp_blob.data = file_load(lp_parm_string(-1,"torture","pac_file"), &tmp_blob.length);*/
+ principal_string = torture_setting_string(tctx, "pac_client_principal",
+ "w2003final$@WIN2K3.THINKER.LOCAL");
- dump_data(10,tmp_blob.data,tmp_blob.length);
+ authtime_string = torture_setting_string(tctx, "pac_authtime", "1120440609");
+ authtime = strtoull(authtime_string, NULL, 0);
+
+ ret = krb5_parse_name(smb_krb5_context->krb5_context, principal_string,
+ &client_principal);
+ if (ret) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) parsing of client principal [%s] failed: %s",
+ principal_string,
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context, ret, mem_ctx)));
+ }
/* Decode and verify the signaure on the PAC */
- nt_status = kerberos_decode_pac(mem_ctx, &pac_info,
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_data,
tmp_blob,
- smb_krb5_context,
+ smb_krb5_context->krb5_context,
&krbtgt_keyblock,
- &server_keyblock);
- krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
- &krbtgt_keyblock);
- krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
- &server_keyblock);
+ &server_keyblock,
+ client_principal, authtime, NULL);
if (!NT_STATUS_IS_OK(nt_status)) {
- DEBUG(1, ("PAC decoding failed: %s\n",
- nt_errstr(nt_status)));
-
- talloc_free(mem_ctx);
- return False;
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(saved test) PAC decoding failed: %s",
+ nt_errstr(nt_status)));
}
- nt_status = ndr_pull_struct_blob(&tmp_blob, mem_ctx, &pac_data,
- (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
+ /* Parse the PAC again, for the logon info this time */
+ nt_status = kerberos_pac_logon_info(mem_ctx, &logon_info,
+ tmp_blob,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal, authtime, NULL);
+
if (!NT_STATUS_IS_OK(nt_status)) {
- DEBUG(0,("can't parse the PAC\n"));
- talloc_free(mem_ctx);
- return False;
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) PAC decoding (for logon info) failed: %s",
+ nt_errstr(nt_status)));
}
- nt_status = ndr_push_struct_blob(&validate_blob, mem_ctx, &pac_data,
- (ndr_push_flags_fn_t)ndr_push_PAC_DATA);
+ validation.sam3 = &logon_info->info3;
+ nt_status = make_server_info_netlogon_validation(mem_ctx,
+ "",
+ 3, &validation,
+ &server_info_out);
if (!NT_STATUS_IS_OK(nt_status)) {
- DEBUG(0, ("PAC push failed: %s\n", nt_errstr(nt_status)));
- talloc_free(mem_ctx);
- return False;
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) PAC decoding (make server info) failed: %s",
+ nt_errstr(nt_status)));
+ }
+
+ if (!pac_file &&
+ !dom_sid_equal(dom_sid_parse_talloc(mem_ctx,
+ "S-1-5-21-3048156945-3961193616-3706469200-1005"),
+ server_info_out->account_sid)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) PAC Decode resulted in *different* domain SID: %s != %s",
+ "S-1-5-21-3048156945-3961193616-3706469200-1005",
+ dom_sid_string(mem_ctx, server_info_out->account_sid)));
+ }
+
+ ret = kerberos_encode_pac(mem_ctx,
+ pac_data,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ &validate_blob);
+
+ if (ret != 0) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx, "(saved test) PAC push failed");
+ }
+
+ dump_data(10, validate_blob.data, validate_blob.length);
+
+ /* compare both the length and the data bytes after a
+ * pull/push cycle. This ensures we use the exact same
+ * pointer, padding etc algorithms as win2k3.
+ */
+ if (tmp_blob.length != validate_blob.length) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx,
+ talloc_asprintf(tctx,
+ "(saved test) PAC push failed: original buffer length[%u] != created buffer length[%u]",
+ (unsigned)tmp_blob.length, (unsigned)validate_blob.length));
+ }
+
+ if (memcmp(tmp_blob.data, validate_blob.data, tmp_blob.length) != 0) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ DEBUG(0, ("tmp_data:\n"));
+ dump_data(0, tmp_blob.data, tmp_blob.length);
+ DEBUG(0, ("validate_blob:\n"));
+ dump_data(0, validate_blob.data, validate_blob.length);
+
+ torture_fail(tctx, talloc_asprintf(tctx, "(saved test) PAC push failed: length[%u] matches, but data does not", (unsigned)tmp_blob.length));
+ }
+
+ ret = kerberos_create_pac(mem_ctx,
+ server_info_out,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal, authtime,
+ &validate_blob);
+
+ if (ret != 0) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx, "(saved test) regnerated PAC create failed");
}
dump_data(10,validate_blob.data,validate_blob.length);
- /* all we can check is the length of the buffers,
- * to check that the alignment and padding is ok,
- * we can't compare the bytes, because we use a different algorithm
- * to create the pointer values
+ /* compare both the length and the data bytes after a
+ * pull/push cycle. This ensures we use the exact same
+ * pointer, padding etc algorithms as win2k3.
*/
if (tmp_blob.length != validate_blob.length) {
- DEBUG(0, ("PAC push failed: orignial buffer length[%u] != created buffer length[%u]\n",
- (unsigned)tmp_blob.length, (unsigned)validate_blob.length));
- talloc_free(mem_ctx);
- return False;
+ nt_status = ndr_pull_struct_blob(&validate_blob, mem_ctx, &pac_data2,
+ (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
+ torture_assert_ntstatus_ok(tctx, nt_status, "can't parse the PAC");
+
+ NDR_PRINT_DEBUG(PAC_DATA, pac_data);
+
+ NDR_PRINT_DEBUG(PAC_DATA, &pac_data2);
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(saved test) PAC regenerate failed: original buffer length[%u] != created buffer length[%u]",
+ (unsigned)tmp_blob.length, (unsigned)validate_blob.length));
}
if (memcmp(tmp_blob.data, validate_blob.data, tmp_blob.length) != 0) {
- DEBUG(0, ("PAC push failed: length[%u] matches, but data does not\n",
- (unsigned)tmp_blob.length));
- talloc_free(mem_ctx);
- return False;
+ nt_status = ndr_pull_struct_blob(&validate_blob, mem_ctx, &pac_data2,
+ (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
+ torture_assert_ntstatus_ok(tctx, nt_status, "can't parse the PAC");
+
+ NDR_PRINT_DEBUG(PAC_DATA, pac_data);
+
+ NDR_PRINT_DEBUG(PAC_DATA, &pac_data2);
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+
+ DEBUG(0, ("tmp_data:\n"));
+ dump_data(0, tmp_blob.data, tmp_blob.length);
+ DEBUG(0, ("validate_blob:\n"));
+ dump_data(0, validate_blob.data, validate_blob.length);
+
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(saved test) PAC regenerate failed: length[%u] matches, but data does not", (unsigned)tmp_blob.length));
}
- talloc_free(mem_ctx);
- return True;
-}
+ /* Break the auth time, to ensure we check this vital detail (not setting this caused all the pain in the first place... */
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_data,
+ tmp_blob,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal,
+ authtime + 1, NULL);
+ if (NT_STATUS_IS_OK(nt_status)) {
-BOOL torture_pac(void)
-{
- BOOL ret = True;
- ret &= torture_pac_self_check();
- ret &= torture_pac_saved_check();
- return ret;
-}
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
+ torture_fail(tctx, "(saved test) PAC decoding DID NOT fail on broken auth time (time + 1)");
+ }
-#else
+ /* Break the client principal */
+ krb5_free_principal(smb_krb5_context->krb5_context, client_principal);
-BOOL torture_pac(void)
-{
- printf("Cannot do PAC test without Krb5\n");
- return False;
+ broken_principal_string = talloc_strdup(mem_ctx, principal_string);
+ broken_principal_string[0]++;
+
+ ret = krb5_parse_name(smb_krb5_context->krb5_context,
+ broken_principal_string, &client_principal);
+ if (ret) {
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ torture_fail(tctx, talloc_asprintf(tctx,
+ "(saved test) parsing of broken client principal failed: %s",
+ smb_get_krb5_error_message(smb_krb5_context->krb5_context, ret, mem_ctx)));
+ }
+
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_data,
+ tmp_blob,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal,
+ authtime, NULL);
+ if (NT_STATUS_IS_OK(nt_status)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ torture_fail(tctx, "(saved test) PAC decoding DID NOT fail on modified principal");
+ }
+
+ /* Finally... Bugger up the signature, and check we fail the checksum */
+ tmp_blob.data[tmp_blob.length - 2]++;
+
+ nt_status = kerberos_decode_pac(mem_ctx, &pac_data,
+ tmp_blob,
+ smb_krb5_context->krb5_context,
+ &krbtgt_keyblock,
+ &server_keyblock,
+ client_principal,
+ authtime, NULL);
+ if (NT_STATUS_IS_OK(nt_status)) {
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ torture_fail(tctx, "(saved test) PAC decoding DID NOT fail on broken checksum");
+ }
+
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &krbtgt_keyblock);
+ krb5_free_keyblock_contents(smb_krb5_context->krb5_context,
+ &server_keyblock);
+ return true;
}
-#endif
+_PUBLIC_ struct torture_suite *torture_pac(TALLOC_CTX *mem_ctx)
+{
+ struct torture_suite *suite = torture_suite_create(mem_ctx, "PAC");
+
+ torture_suite_add_simple_test(suite, "self check",
+ torture_pac_self_check);
+
+ torture_suite_add_simple_test(suite, "saved check",
+ torture_pac_saved_check);
+ return suite;
+}
git.samba.org / kai / samba-autobuild / .git / blobdiff