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authorAndrew Bartlett <abartlet@samba.org>2008-10-17 14:06:33 +1100
committerAndrew Bartlett <abartlet@samba.org>2008-10-17 14:06:33 +1100
commit4fb64f13d5101c960a7a234ff2b0b79283de5589 (patch)
tree7b82637e799d772f45da2918d62dc854152b4176 /source4/torture/rpc
parent85919c34f4ca1a762cc1c2696309240f4694bd93 (diff)
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Add a test to RPC-NETLOGON for random machine account passwords.
Andrew Bartlett
Diffstat (limited to 'source4/torture/rpc')
-rw-r--r--source4/torture/rpc/netlogon.c71
1 files changed, 59 insertions, 12 deletions
diff --git a/source4/torture/rpc/netlogon.c b/source4/torture/rpc/netlogon.c
index 3d4c594d05..f4ae5b35eb 100644
--- a/source4/torture/rpc/netlogon.c
+++ b/source4/torture/rpc/netlogon.c
@@ -29,6 +29,7 @@
#include "lib/cmdline/popt_common.h"
#include "torture/rpc/rpc.h"
#include "torture/rpc/netlogon.h"
+#include "../lib/crypto/crypto.h"
#include "libcli/auth/libcli_auth.h"
#include "librpc/gen_ndr/ndr_netlogon_c.h"
#include "librpc/gen_ndr/ndr_lsa_c.h"
@@ -77,11 +78,10 @@ static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context
struct netr_ServerAuthenticate a;
struct netr_Credential credentials1, credentials2, credentials3;
struct creds_CredentialState *creds;
- struct samr_Password mach_password;
- const char *plain_pass;
- const char *machine_name;
+ const struct samr_Password *mach_password;
+ const char *machine_name;
- plain_pass = cli_credentials_get_password(credentials);
+ mach_password = cli_credentials_get_nt_hash(credentials, tctx);
machine_name = cli_credentials_get_workstation(credentials);
torture_comment(tctx, "Testing ServerReqChallenge\n");
@@ -99,8 +99,6 @@ static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context
status = dcerpc_netr_ServerReqChallenge(p, tctx, &r);
torture_assert_ntstatus_ok(tctx, status, "ServerReqChallenge");
- E_md4hash(plain_pass, mach_password.hash);
-
a.in.server_name = NULL;
a.in.account_name = talloc_asprintf(tctx, "%s$", machine_name);
a.in.secure_channel_type = SEC_CHAN_BDC;
@@ -109,7 +107,7 @@ static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context
a.out.credentials = &credentials3;
creds_client_init(creds, &credentials1, &credentials2,
- &mach_password, &credentials3,
+ mach_password, &credentials3,
0);
torture_comment(tctx, "Testing ServerAuthenticate\n");
@@ -142,12 +140,12 @@ bool test_SetupCredentials2(struct dcerpc_pipe *p, struct torture_context *tctx,
struct netr_ServerAuthenticate2 a;
struct netr_Credential credentials1, credentials2, credentials3;
struct creds_CredentialState *creds;
- struct samr_Password mach_password;
+ const struct samr_Password *mach_password;
const char *machine_name;
const char *plain_pass;
+ mach_password = cli_credentials_get_nt_hash(machine_credentials, tctx);
machine_name = cli_credentials_get_workstation(machine_credentials);
- plain_pass = cli_credentials_get_password(machine_credentials);
torture_comment(tctx, "Testing ServerReqChallenge\n");
@@ -164,8 +162,6 @@ bool test_SetupCredentials2(struct dcerpc_pipe *p, struct torture_context *tctx,
status = dcerpc_netr_ServerReqChallenge(p, tctx, &r);
torture_assert_ntstatus_ok(tctx, status, "ServerReqChallenge");
- E_md4hash(plain_pass, mach_password.hash);
-
a.in.server_name = NULL;
a.in.account_name = talloc_asprintf(tctx, "%s$", machine_name);
a.in.secure_channel_type = sec_chan_type;
@@ -176,7 +172,7 @@ bool test_SetupCredentials2(struct dcerpc_pipe *p, struct torture_context *tctx,
a.out.credentials = &credentials3;
creds_client_init(creds, &credentials1, &credentials2,
- &mach_password, &credentials3,
+ mach_password, &credentials3,
negotiate_flags);
torture_comment(tctx, "Testing ServerAuthenticate2\n");
@@ -326,6 +322,24 @@ static bool test_SetPassword(struct torture_context *tctx,
}
/*
+ generate a random password for password change tests
+*/
+static DATA_BLOB netlogon_very_rand_pass(TALLOC_CTX *mem_ctx, int len)
+{
+ int i;
+ DATA_BLOB password = data_blob_talloc(mem_ctx, NULL, len * 2 /* number of unicode chars */);
+ generate_random_buffer(password.data, password.length);
+
+ for (i=0; i < len; i++) {
+ if (((uint16_t *)password.data)[i] == 0) {
+ ((uint16_t *)password.data)[i] = 1;
+ }
+ }
+
+ return password;
+}
+
+/*
try a change password for our machine account
*/
static bool test_SetPassword2(struct torture_context *tctx,
@@ -335,8 +349,10 @@ static bool test_SetPassword2(struct torture_context *tctx,
NTSTATUS status;
struct netr_ServerPasswordSet2 r;
const char *password;
+ DATA_BLOB new_random_pass;
struct creds_CredentialState *creds;
struct samr_CryptPassword password_buf;
+ struct samr_Password nt_hash;
if (!test_SetupCredentials(p, tctx, machine_credentials, &creds)) {
return false;
@@ -448,6 +464,37 @@ static bool test_SetPassword2(struct torture_context *tctx,
test_SetupCredentials(p, tctx, machine_credentials, &creds),
"ServerPasswordSet failed to actually change the password");
+ new_random_pass = netlogon_very_rand_pass(tctx, 128);
+
+ /* now try a random stream of bytes for a password */
+ set_pw_in_buffer(password_buf.data, &new_random_pass);
+
+ creds_arcfour_crypt(creds, password_buf.data, 516);
+
+ memcpy(r.in.new_password.data, password_buf.data, 512);
+ r.in.new_password.length = IVAL(password_buf.data, 512);
+
+ torture_comment(tctx,
+ "Testing a third ServerPasswordSet2 on machine account, with a compleatly random password\n");
+
+ creds_client_authenticator(creds, &r.in.credential);
+
+ status = dcerpc_netr_ServerPasswordSet2(p, tctx, &r);
+ torture_assert_ntstatus_ok(tctx, status, "ServerPasswordSet (3)");
+
+ if (!creds_client_check(creds, &r.out.return_authenticator.cred)) {
+ torture_comment(tctx, "Credential chaining failed\n");
+ }
+
+ mdfour(nt_hash.hash, new_random_pass.data, new_random_pass.length);
+
+ cli_credentials_set_password(machine_credentials, NULL, CRED_UNINITIALISED);
+ cli_credentials_set_nt_hash(machine_credentials, &nt_hash, CRED_SPECIFIED);
+
+ torture_assert (tctx,
+ test_SetupCredentials(p, tctx, machine_credentials, &creds),
+ "ServerPasswordSet failed to actually change the password");
+
return true;
}