#include "includes.h"
-/* LSA Request Challenge. Sends our challenge to server, then gets
- server response. These are used to generate the credentials.
- The sent and received challenges are stored in the netlog pipe
- private data. Only call this via rpccli_netlogon_setup_creds(). JRA.
-*/
-
-/* instead of rpccli_net_req_chal() we use rpccli_netr_ServerReqChallenge() now - gd */
-
-#if 0
-/****************************************************************************
-LSA Authenticate 2
-
-Send the client credential, receive back a server credential.
-Ensure that the server credential returned matches the session key
-encrypt of the server challenge originally received. JRA.
-****************************************************************************/
-
- NTSTATUS rpccli_net_auth2(struct rpc_pipe_client *cli,
- uint16 sec_chan,
- uint32 *neg_flags, DOM_CHAL *srv_chal)
-{
- prs_struct qbuf, rbuf;
- NET_Q_AUTH_2 q;
- NET_R_AUTH_2 r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- fstring machine_acct;
-
- if ( sec_chan == SEC_CHAN_DOMAIN )
- fstr_sprintf( machine_acct, "%s$", lp_workgroup() );
- else
- fstrcpy( machine_acct, cli->mach_acct );
-
- /* create and send a MSRPC command with api NET_AUTH2 */
-
- DEBUG(4,("cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
- cli->srv_name_slash, machine_acct, sec_chan, global_myname(),
- credstr(cli->clnt_cred.challenge.data), *neg_flags));
-
- /* store the parameters */
-
- init_q_auth_2(&q, cli->srv_name_slash, machine_acct,
- sec_chan, global_myname(), &cli->clnt_cred.challenge,
- *neg_flags);
-
- /* turn parameters into data stream */
-
- CLI_DO_RPC(cli, mem_ctx, PI_NETLOGON, NET_AUTH2,
- q, r,
- qbuf, rbuf,
- net_io_q_auth_2,
- net_io_r_auth_2,
- NT_STATUS_UNSUCCESSFUL);
-
- result = r.status;
-
- if (NT_STATUS_IS_OK(result)) {
- UTIME zerotime;
-
- /*
- * Check the returned value using the initial
- * server received challenge.
- */
-
- zerotime.time = 0;
- if (cred_assert( &r.srv_chal, cli->sess_key, srv_chal, zerotime) == 0) {
-
- /*
- * Server replied with bad credential. Fail.
- */
- DEBUG(0,("cli_net_auth2: server %s replied with bad credential (bad machine \
-password ?).\n", cli->cli->desthost ));
- return NT_STATUS_ACCESS_DENIED;
- }
- *neg_flags = r.srv_flgs.neg_flags;
- }
-
- return result;
-}
-#endif
-
-/****************************************************************************
- LSA Authenticate 2
-
- Send the client credential, receive back a server credential.
- The caller *must* ensure that the server credential returned matches the session key
- encrypt of the server challenge originally received. JRA.
-****************************************************************************/
-
-/* instead of rpccli_net_auth2() we use rpccli_netr_ServerAuthenticate2() now - gd */
-
-
/****************************************************************************
Wrapper function that uses the auth and auth2 calls to set up a NETLOGON
credentials chain. Stores the credentials in the struct dcinfo in the
struct netr_Credential clnt_chal_send;
struct netr_Credential srv_chal_recv;
struct dcinfo *dc;
+ bool retried = false;
- SMB_ASSERT(cli->pipe_idx == PI_NETLOGON);
+ SMB_ASSERT(ndr_syntax_id_equal(&cli->abstract_syntax,
+ &ndr_table_netlogon.syntax_id));
- dc = cli->dc;
- if (!dc) {
- return NT_STATUS_INVALID_PARAMETER;
+ TALLOC_FREE(cli->dc);
+ cli->dc = talloc_zero(cli, struct dcinfo);
+ if (cli->dc == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
-
- /* Ensure we don't reuse any of this state. */
- ZERO_STRUCTP(dc);
+ dc = cli->dc;
/* Store the machine account password we're going to use. */
memcpy(dc->mach_pw, machine_pwd, 16);
fstr_sprintf( dc->mach_acct, "%s$", machine_account);
+ again:
/* Create the client challenge. */
generate_random_buffer(clnt_chal_send.data, 8);
/* Get the server challenge. */
- result = rpccli_netr_ServerReqChallenge(cli, cli->mem_ctx,
+ result = rpccli_netr_ServerReqChallenge(cli, talloc_tos(),
dc->remote_machine,
clnt_name,
&clnt_chal_send,
* Send client auth-2 challenge and receive server repy.
*/
- result = rpccli_netr_ServerAuthenticate2(cli, cli->mem_ctx,
+ result = rpccli_netr_ServerAuthenticate2(cli, talloc_tos(),
dc->remote_machine,
dc->mach_acct,
sec_chan_type,
&clnt_chal_send, /* input. */
&srv_chal_recv, /* output. */
neg_flags_inout);
+
+ /* we might be talking to NT4, so let's downgrade in that case and retry
+ * with the returned neg_flags - gd */
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) && !retried) {
+ retried = true;
+ goto again;
+ }
+
if (!NT_STATUS_IS_OK(result)) {
return result;
}
*/
DEBUG(0,("rpccli_netlogon_setup_creds: server %s "
"replied with bad credential\n",
- cli->cli->desthost ));
+ cli->desthost ));
return NT_STATUS_ACCESS_DENIED;
}
DEBUG(5,("rpccli_netlogon_setup_creds: server %s credential "
"chain established.\n",
- cli->cli->desthost ));
+ cli->desthost ));
return NT_STATUS_OK;
}
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
struct netr_Authenticator clnt_creds;
struct netr_Authenticator ret_creds;
- union netr_LogonInfo *logon;
+ union netr_LogonLevel *logon;
union netr_Validation validation;
uint8_t authoritative;
int validation_level = 3;
ZERO_STRUCT(ret_creds);
ZERO_STRUCT(zeros);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonInfo);
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
netlogon_creds_client_step(cli->dc, &clnt_creds);
switch (logon_type) {
- case INTERACTIVE_LOGON_TYPE: {
+ case NetlogonInteractiveInformation: {
struct netr_PasswordInfo *password_info;
break;
}
- case NET_LOGON_TYPE: {
+ case NetlogonNetworkInformation: {
struct netr_NetworkInfo *network_info;
uint8 chal[8];
unsigned char local_lm_response[24];
uint8 zeros[16];
struct netr_Authenticator clnt_creds;
struct netr_Authenticator ret_creds;
- union netr_LogonInfo *logon = NULL;
+ union netr_LogonLevel *logon = NULL;
struct netr_NetworkInfo *network_info;
uint8_t authoritative;
union netr_Validation validation;
struct netr_ChallengeResponse lm;
struct netr_ChallengeResponse nt;
- struct netr_UserSessionKey user_session_key;
- struct netr_LMSessionKey lmsesskey;
*info3 = NULL;
ZERO_STRUCT(lm);
ZERO_STRUCT(nt);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonInfo);
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
global_myname(),
&clnt_creds,
&ret_creds,
- NET_LOGON_TYPE,
+ NetlogonNetworkInformation,
logon,
validation_level,
&validation,
return result;
}
- user_session_key = validation.sam3->base.key;
- lmsesskey = validation.sam3->base.LMSessKey;
-
- if (memcmp(zeros, user_session_key.key, 16) != 0) {
- SamOEMhash(user_session_key.key, cli->dc->sess_key, 16);
+ if (memcmp(zeros, validation.sam3->base.key.key, 16) != 0) {
+ SamOEMhash(validation.sam3->base.key.key,
+ cli->dc->sess_key, 16);
}
- if (memcmp(zeros, lmsesskey.key, 8) != 0) {
- SamOEMhash(lmsesskey.key, cli->dc->sess_key, 8);
+ if (memcmp(zeros, validation.sam3->base.LMSessKey.key, 8) != 0) {
+ SamOEMhash(validation.sam3->base.LMSessKey.key,
+ cli->dc->sess_key, 8);
}
if (memcmp(zeros, ret_creds.cred.data, sizeof(ret_creds.cred.data)) != 0) {
const char *workstation_name_slash;
const char *server_name_slash;
uint8 zeros[16];
- union netr_LogonInfo *logon = NULL;
+ union netr_LogonLevel *logon = NULL;
struct netr_NetworkInfo *network_info;
uint8_t authoritative;
union netr_Validation validation;
struct netr_ChallengeResponse lm;
struct netr_ChallengeResponse nt;
- struct netr_UserSessionKey user_session_key;
- struct netr_LMSessionKey lmsesskey;
uint32_t flags = 0;
*info3 = NULL;
ZERO_STRUCT(lm);
ZERO_STRUCT(nt);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonInfo);
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
result = rpccli_netr_LogonSamLogonEx(cli, mem_ctx,
server_name_slash,
global_myname(),
- NET_LOGON_TYPE,
+ NetlogonNetworkInformation,
logon,
validation_level,
&validation,
return result;
}
- user_session_key = validation.sam3->base.key;
- lmsesskey = validation.sam3->base.LMSessKey;
-
- if (memcmp(zeros, user_session_key.key, 16) != 0) {
- SamOEMhash(user_session_key.key, cli->dc->sess_key, 16);
+ if (memcmp(zeros, validation.sam3->base.key.key, 16) != 0) {
+ SamOEMhash(validation.sam3->base.key.key,
+ cli->dc->sess_key, 16);
}
- if (memcmp(zeros, lmsesskey.key, 8) != 0) {
- SamOEMhash(lmsesskey.key, cli->dc->sess_key, 8);
+ if (memcmp(zeros, validation.sam3->base.LMSessKey.key, 8) != 0) {
+ SamOEMhash(validation.sam3->base.LMSessKey.key,
+ cli->dc->sess_key, 8);
}
*info3 = validation.sam3;
return result;
}
+
+/*********************************************************
+ Change the domain password on the PDC.
+
+ Just changes the password betwen the two values specified.
+
+ Caller must have the cli connected to the netlogon pipe
+ already.
+**********************************************************/
+
+NTSTATUS rpccli_netlogon_set_trust_password(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ const unsigned char orig_trust_passwd_hash[16],
+ const char *new_trust_pwd_cleartext,
+ const unsigned char new_trust_passwd_hash[16],
+ uint32_t sec_channel_type)
+{
+ NTSTATUS result;
+ uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
+ struct netr_Authenticator clnt_creds, srv_cred;
+
+ result = rpccli_netlogon_setup_creds(cli,
+ cli->desthost, /* server name */
+ lp_workgroup(), /* domain */
+ global_myname(), /* client name */
+ global_myname(), /* machine account name */
+ orig_trust_passwd_hash,
+ sec_channel_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(3,("rpccli_netlogon_set_trust_password: unable to setup creds (%s)!\n",
+ nt_errstr(result)));
+ return result;
+ }
+
+ netlogon_creds_client_step(cli->dc, &clnt_creds);
+
+ if (neg_flags & NETLOGON_NEG_PASSWORD_SET2) {
+
+ struct netr_CryptPassword new_password;
+
+ init_netr_CryptPassword(new_trust_pwd_cleartext,
+ cli->dc->sess_key,
+ &new_password);
+
+ result = rpccli_netr_ServerPasswordSet2(cli, mem_ctx,
+ cli->dc->remote_machine,
+ cli->dc->mach_acct,
+ sec_channel_type,
+ global_myname(),
+ &clnt_creds,
+ &srv_cred,
+ &new_password);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0,("rpccli_netr_ServerPasswordSet2 failed: %s\n",
+ nt_errstr(result)));
+ return result;
+ }
+ } else {
+
+ struct samr_Password new_password;
+
+ cred_hash3(new_password.hash,
+ new_trust_passwd_hash,
+ cli->dc->sess_key, 1);
+
+ result = rpccli_netr_ServerPasswordSet(cli, mem_ctx,
+ cli->dc->remote_machine,
+ cli->dc->mach_acct,
+ sec_channel_type,
+ global_myname(),
+ &clnt_creds,
+ &srv_cred,
+ &new_password);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0,("rpccli_netr_ServerPasswordSet failed: %s\n",
+ nt_errstr(result)));
+ return result;
+ }
+ }
+
+ /* Always check returned credentials. */
+ if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
+ DEBUG(0,("credentials chain check failed\n"));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return result;
+}
+
git.samba.org / samba.git / blobdiff