Copyright (C) Andrew Tridgell 1992-2000
Copyright (C) Jeremy Allison 1998.
Largely re-written by Jeremy Allison (C) 2005.
+ Copyright (C) Guenther Deschner 2008.
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
*/
#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 */
-
+#include "rpc_client/rpc_client.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../librpc/gen_ndr/ndr_netlogon_c.h"
+#include "rpc_client/cli_netlogon.h"
+#include "rpc_client/init_netlogon.h"
+#include "rpc_client/util_netlogon.h"
+#include "../libcli/security/security.h"
/****************************************************************************
Wrapper function that uses the auth and auth2 calls to set up a NETLOGON
enum netr_SchannelType sec_chan_type,
uint32_t *neg_flags_inout)
{
+ NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
struct netr_Credential clnt_chal_send;
struct netr_Credential srv_chal_recv;
- struct dcinfo *dc;
-
- SMB_ASSERT(cli->pipe_idx == PI_NETLOGON);
-
- dc = cli->dc;
- if (!dc) {
+ struct samr_Password password;
+ bool retried = false;
+ fstring mach_acct;
+ uint32_t neg_flags = *neg_flags_inout;
+ struct dcerpc_binding_handle *b = cli->binding_handle;
+
+ if (!ndr_syntax_id_equal(&cli->abstract_syntax,
+ &ndr_table_netlogon.syntax_id)) {
return NT_STATUS_INVALID_PARAMETER;
}
- /* Ensure we don't reuse any of this state. */
- ZERO_STRUCTP(dc);
+ TALLOC_FREE(cli->dc);
/* Store the machine account password we're going to use. */
- memcpy(dc->mach_pw, machine_pwd, 16);
-
- fstrcpy(dc->remote_machine, "\\\\");
- fstrcat(dc->remote_machine, server_name);
+ memcpy(password.hash, machine_pwd, 16);
- fstrcpy(dc->domain, domain);
-
- fstr_sprintf( dc->mach_acct, "%s$", machine_account);
+ fstr_sprintf( 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,
- dc->remote_machine,
+ status = dcerpc_netr_ServerReqChallenge(b, talloc_tos(),
+ cli->srv_name_slash,
clnt_name,
&clnt_chal_send,
- &srv_chal_recv);
+ &srv_chal_recv,
+ &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
if (!NT_STATUS_IS_OK(result)) {
return result;
}
/* Calculate the session key and client credentials */
- creds_client_init(*neg_flags_inout,
- dc,
- &clnt_chal_send,
- &srv_chal_recv,
- machine_pwd,
- &clnt_chal_send);
+
+ cli->dc = netlogon_creds_client_init(cli,
+ mach_acct,
+ clnt_name,
+ &clnt_chal_send,
+ &srv_chal_recv,
+ &password,
+ &clnt_chal_send,
+ neg_flags);
+
+ if (!cli->dc) {
+ return NT_STATUS_NO_MEMORY;
+ }
/*
* Send client auth-2 challenge and receive server repy.
*/
- result = rpccli_netr_ServerAuthenticate2(cli, cli->mem_ctx,
- dc->remote_machine,
- dc->mach_acct,
+ status = dcerpc_netr_ServerAuthenticate2(b, talloc_tos(),
+ cli->srv_name_slash,
+ cli->dc->account_name,
sec_chan_type,
- clnt_name,
+ cli->dc->computer_name,
&clnt_chal_send, /* input. */
&srv_chal_recv, /* output. */
- neg_flags_inout);
+ &neg_flags,
+ &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ /* 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;
+ TALLOC_FREE(cli->dc);
+ goto again;
+ }
+
if (!NT_STATUS_IS_OK(result)) {
return result;
}
* server received challenge.
*/
- if (!netlogon_creds_client_check(dc, &srv_chal_recv)) {
+ if (!netlogon_creds_client_check(cli->dc, &srv_chal_recv)) {
/*
* Server replied with bad credential. Fail.
*/
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 ));
+
+ cli->dc->negotiate_flags = neg_flags;
+ *neg_flags_inout = neg_flags;
return NT_STATUS_OK;
}
const char *username,
const char *password,
const char *workstation,
+ uint16_t validation_level,
int logon_type)
{
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ NTSTATUS status;
struct netr_Authenticator clnt_creds;
struct netr_Authenticator ret_creds;
union netr_LogonLevel *logon;
union netr_Validation validation;
uint8_t authoritative;
- int validation_level = 3;
fstring clnt_name_slash;
- uint8 zeros[16];
+ struct dcerpc_binding_handle *b = cli->binding_handle;
ZERO_STRUCT(ret_creds);
- ZERO_STRUCT(zeros);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ logon = talloc_zero(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
if (workstation) {
fstr_sprintf( clnt_name_slash, "\\\\%s", workstation );
} else {
- fstr_sprintf( clnt_name_slash, "\\\\%s", global_myname() );
+ fstr_sprintf( clnt_name_slash, "\\\\%s", lp_netbios_name() );
}
/* Initialise input parameters */
- netlogon_creds_client_step(cli->dc, &clnt_creds);
+ netlogon_creds_client_authenticator(cli->dc, &clnt_creds);
switch (logon_type) {
- case INTERACTIVE_LOGON_TYPE: {
+ case NetlogonInteractiveInformation: {
struct netr_PasswordInfo *password_info;
struct samr_Password lmpassword;
struct samr_Password ntpassword;
- unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];
-
- unsigned char lm_owf[16];
- unsigned char nt_owf[16];
- unsigned char key[16];
-
- password_info = TALLOC_ZERO_P(mem_ctx, struct netr_PasswordInfo);
+ password_info = talloc_zero(mem_ctx, struct netr_PasswordInfo);
if (!password_info) {
return NT_STATUS_NO_MEMORY;
}
- nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);
-
-#ifdef DEBUG_PASSWORD
- DEBUG(100,("lm cypher:"));
- dump_data(100, lm_owf_user_pwd, 16);
-
- DEBUG(100,("nt cypher:"));
- dump_data(100, nt_owf_user_pwd, 16);
-#endif
- memset(key, 0, 16);
- memcpy(key, cli->dc->sess_key, 8);
-
- memcpy(lm_owf, lm_owf_user_pwd, 16);
- SamOEMhash(lm_owf, key, 16);
- memcpy(nt_owf, nt_owf_user_pwd, 16);
- SamOEMhash(nt_owf, key, 16);
-
-#ifdef DEBUG_PASSWORD
- DEBUG(100,("encrypt of lm owf password:"));
- dump_data(100, lm_owf, 16);
-
- DEBUG(100,("encrypt of nt owf password:"));
- dump_data(100, nt_owf, 16);
-#endif
- memcpy(lmpassword.hash, lm_owf, 16);
- memcpy(ntpassword.hash, nt_owf, 16);
-
- init_netr_PasswordInfo(password_info,
- domain,
- logon_parameters,
- 0xdead,
- 0xbeef,
- username,
- clnt_name_slash,
- lmpassword,
- ntpassword);
+ nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
+
+ if (cli->dc->negotiate_flags & NETLOGON_NEG_SUPPORTS_AES) {
+ netlogon_creds_aes_encrypt(cli->dc, lmpassword.hash, 16);
+ netlogon_creds_aes_encrypt(cli->dc, ntpassword.hash, 16);
+ } else if (cli->dc->negotiate_flags & NETLOGON_NEG_ARCFOUR) {
+ netlogon_creds_arcfour_crypt(cli->dc, lmpassword.hash, 16);
+ netlogon_creds_arcfour_crypt(cli->dc, ntpassword.hash, 16);
+ } else {
+ netlogon_creds_des_encrypt(cli->dc, &lmpassword);
+ netlogon_creds_des_encrypt(cli->dc, &ntpassword);
+ }
+
+ password_info->identity_info.domain_name.string = domain;
+ password_info->identity_info.parameter_control = logon_parameters;
+ password_info->identity_info.logon_id_low = 0xdead;
+ password_info->identity_info.logon_id_high = 0xbeef;
+ password_info->identity_info.account_name.string = username;
+ password_info->identity_info.workstation.string = clnt_name_slash;
+
+ password_info->lmpassword = lmpassword;
+ password_info->ntpassword = ntpassword;
logon->password = password_info;
break;
}
- case NET_LOGON_TYPE: {
+ case NetlogonNetworkInformation: {
struct netr_NetworkInfo *network_info;
uint8 chal[8];
unsigned char local_lm_response[24];
struct netr_ChallengeResponse lm;
struct netr_ChallengeResponse nt;
- network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
+
+ network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
if (!network_info) {
return NT_STATUS_NO_MEMORY;
}
nt.length = 24;
nt.data = local_nt_response;
- init_netr_NetworkInfo(network_info,
- domain,
- logon_parameters,
- 0xdead,
- 0xbeef,
- username,
- clnt_name_slash,
- chal,
- nt,
- lm);
+ network_info->identity_info.domain_name.string = domain;
+ network_info->identity_info.parameter_control = logon_parameters;
+ network_info->identity_info.logon_id_low = 0xdead;
+ network_info->identity_info.logon_id_high = 0xbeef;
+ network_info->identity_info.account_name.string = username;
+ network_info->identity_info.workstation.string = clnt_name_slash;
+
+ memcpy(network_info->challenge, chal, 8);
+ network_info->nt = nt;
+ network_info->lm = lm;
logon->network = network_info;
return NT_STATUS_INVALID_INFO_CLASS;
}
- result = rpccli_netr_LogonSamLogon(cli, mem_ctx,
- cli->dc->remote_machine,
- global_myname(),
+ status = dcerpc_netr_LogonSamLogon(b, mem_ctx,
+ cli->srv_name_slash,
+ lp_netbios_name(),
&clnt_creds,
&ret_creds,
logon_type,
logon,
validation_level,
&validation,
- &authoritative);
+ &authoritative,
+ &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
- if (memcmp(zeros, &ret_creds.cred.data, sizeof(ret_creds.cred.data)) != 0) {
- /* Check returned credentials if present. */
- if (!netlogon_creds_client_check(cli->dc, &ret_creds.cred)) {
- DEBUG(0,("rpccli_netlogon_sam_logon: credentials chain check failed\n"));
- return NT_STATUS_ACCESS_DENIED;
- }
+ /* Always check returned credentials */
+ if (!netlogon_creds_client_check(cli->dc, &ret_creds.cred)) {
+ DEBUG(0,("rpccli_netlogon_sam_logon: credentials chain check failed\n"));
+ return NT_STATUS_ACCESS_DENIED;
}
return result;
}
+static NTSTATUS map_validation_to_info3(TALLOC_CTX *mem_ctx,
+ uint16_t validation_level,
+ union netr_Validation *validation,
+ struct netr_SamInfo3 **info3_p)
+{
+ struct netr_SamInfo3 *info3;
+ NTSTATUS status;
+
+ if (validation == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ switch (validation_level) {
+ case 3:
+ if (validation->sam3 == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ info3 = talloc_move(mem_ctx, &validation->sam3);
+ break;
+ case 6:
+ if (validation->sam6 == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
+ if (info3 == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ status = copy_netr_SamBaseInfo(info3, &validation->sam6->base, &info3->base);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(info3);
+ return status;
+ }
+
+ info3->sidcount = validation->sam6->sidcount;
+ info3->sids = talloc_move(info3, &validation->sam6->sids);
+ break;
+ default:
+ return NT_STATUS_BAD_VALIDATION_CLASS;
+ }
+
+ *info3_p = info3;
+
+ return NT_STATUS_OK;
+}
/**
* Logon domain user with an 'network' SAM logon
const char *domain,
const char *workstation,
const uint8 chal[8],
+ uint16_t validation_level,
DATA_BLOB lm_response,
DATA_BLOB nt_response,
struct netr_SamInfo3 **info3)
{
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- int validation_level = 3;
+ NTSTATUS status;
const char *workstation_name_slash;
const char *server_name_slash;
- uint8 zeros[16];
struct netr_Authenticator clnt_creds;
struct netr_Authenticator ret_creds;
union netr_LogonLevel *logon = NULL;
union netr_Validation validation;
struct netr_ChallengeResponse lm;
struct netr_ChallengeResponse nt;
- struct netr_UserSessionKey user_session_key;
- struct netr_LMSessionKey lmsesskey;
+ struct dcerpc_binding_handle *b = cli->binding_handle;
*info3 = NULL;
- ZERO_STRUCT(zeros);
ZERO_STRUCT(ret_creds);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
+
+ logon = talloc_zero(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
- network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
if (!network_info) {
return NT_STATUS_NO_MEMORY;
}
- netlogon_creds_client_step(cli->dc, &clnt_creds);
+ netlogon_creds_client_authenticator(cli->dc, &clnt_creds);
if (server[0] != '\\' && server[1] != '\\') {
server_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", server);
nt.data = nt_response.data;
nt.length = nt_response.length;
- init_netr_NetworkInfo(network_info,
- domain,
- logon_parameters,
- 0xdead,
- 0xbeef,
- username,
- workstation_name_slash,
- (uint8_t *) chal,
- nt,
- lm);
+ network_info->identity_info.domain_name.string = domain;
+ network_info->identity_info.parameter_control = logon_parameters;
+ network_info->identity_info.logon_id_low = 0xdead;
+ network_info->identity_info.logon_id_high = 0xbeef;
+ network_info->identity_info.account_name.string = username;
+ network_info->identity_info.workstation.string = workstation_name_slash;
+
+ memcpy(network_info->challenge, chal, 8);
+ network_info->nt = nt;
+ network_info->lm = lm;
logon->network = network_info;
/* Marshall data and send request */
- result = rpccli_netr_LogonSamLogon(cli, mem_ctx,
+ status = dcerpc_netr_LogonSamLogon(b, mem_ctx,
server_name_slash,
- global_myname(),
+ lp_netbios_name(),
&clnt_creds,
&ret_creds,
- NET_LOGON_TYPE,
+ NetlogonNetworkInformation,
logon,
validation_level,
&validation,
- &authoritative);
- if (!NT_STATUS_IS_OK(result)) {
- return result;
+ &authoritative,
+ &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- 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);
+ /* Always check returned credentials. */
+ if (!netlogon_creds_client_check(cli->dc, &ret_creds.cred)) {
+ DEBUG(0,("rpccli_netlogon_sam_network_logon: credentials chain check failed\n"));
+ return NT_STATUS_ACCESS_DENIED;
}
- if (memcmp(zeros, lmsesskey.key, 8) != 0) {
- SamOEMhash(lmsesskey.key, cli->dc->sess_key, 8);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
}
- if (memcmp(zeros, ret_creds.cred.data, sizeof(ret_creds.cred.data)) != 0) {
- /* Check returned credentials if present. */
- if (!netlogon_creds_client_check(cli->dc, &ret_creds.cred)) {
- DEBUG(0,("rpccli_netlogon_sam_network_logon: credentials chain check failed\n"));
- return NT_STATUS_ACCESS_DENIED;
- }
- }
+ netlogon_creds_decrypt_samlogon_validation(cli->dc, validation_level,
+ &validation);
- *info3 = validation.sam3;
+ result = map_validation_to_info3(mem_ctx, validation_level, &validation, info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
return result;
}
const char *domain,
const char *workstation,
const uint8 chal[8],
+ uint16_t validation_level,
DATA_BLOB lm_response,
DATA_BLOB nt_response,
struct netr_SamInfo3 **info3)
{
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- int validation_level = 3;
+ NTSTATUS status;
const char *workstation_name_slash;
const char *server_name_slash;
- uint8 zeros[16];
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;
+ struct dcerpc_binding_handle *b = cli->binding_handle;
*info3 = NULL;
- ZERO_STRUCT(zeros);
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
- logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ logon = talloc_zero(mem_ctx, union netr_LogonLevel);
if (!logon) {
return NT_STATUS_NO_MEMORY;
}
- network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
if (!network_info) {
return NT_STATUS_NO_MEMORY;
}
nt.data = nt_response.data;
nt.length = nt_response.length;
- init_netr_NetworkInfo(network_info,
- domain,
- logon_parameters,
- 0xdead,
- 0xbeef,
- username,
- workstation_name_slash,
- (uint8_t *) chal,
- nt,
- lm);
+ network_info->identity_info.domain_name.string = domain;
+ network_info->identity_info.parameter_control = logon_parameters;
+ network_info->identity_info.logon_id_low = 0xdead;
+ network_info->identity_info.logon_id_high = 0xbeef;
+ network_info->identity_info.account_name.string = username;
+ network_info->identity_info.workstation.string = workstation_name_slash;
+
+ memcpy(network_info->challenge, chal, 8);
+ network_info->nt = nt;
+ network_info->lm = lm;
logon->network = network_info;
/* Marshall data and send request */
- result = rpccli_netr_LogonSamLogonEx(cli, mem_ctx,
+ status = dcerpc_netr_LogonSamLogonEx(b, mem_ctx,
server_name_slash,
- global_myname(),
- NET_LOGON_TYPE,
+ lp_netbios_name(),
+ NetlogonNetworkInformation,
logon,
validation_level,
&validation,
&authoritative,
- &flags);
+ &flags,
+ &result);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ netlogon_creds_decrypt_samlogon_validation(cli->dc, validation_level,
+ &validation);
+
+ result = map_validation_to_info3(mem_ctx, validation_level, &validation, info3);
if (!NT_STATUS_IS_OK(result)) {
return result;
}
- user_session_key = validation.sam3->base.key;
- lmsesskey = validation.sam3->base.LMSessKey;
+ 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 char *account_name,
+ const unsigned char orig_trust_passwd_hash[16],
+ const char *new_trust_pwd_cleartext,
+ const unsigned char new_trust_passwd_hash[16],
+ enum netr_SchannelType sec_channel_type)
+{
+ NTSTATUS result, status;
+ struct netr_Authenticator clnt_creds, srv_cred;
+ struct dcerpc_binding_handle *b = cli->binding_handle;
+
+ if (!cli->dc) {
+ uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS;
+ result = rpccli_netlogon_setup_creds(cli,
+ cli->desthost, /* server name */
+ lp_workgroup(), /* domain */
+ lp_netbios_name(), /* client name */
+ account_name, /* 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_authenticator(cli->dc, &clnt_creds);
+
+ if (cli->dc->negotiate_flags & NETLOGON_NEG_PASSWORD_SET2) {
+
+ struct netr_CryptPassword new_password;
+ uint32_t old_timeout;
+
+ init_netr_CryptPassword(new_trust_pwd_cleartext,
+ cli->dc,
+ &new_password);
+
+ old_timeout = dcerpc_binding_handle_set_timeout(b, 600000);
+
+ status = dcerpc_netr_ServerPasswordSet2(b, mem_ctx,
+ cli->srv_name_slash,
+ cli->dc->account_name,
+ sec_channel_type,
+ cli->dc->computer_name,
+ &clnt_creds,
+ &srv_cred,
+ &new_password,
+ &result);
+
+ dcerpc_binding_handle_set_timeout(b, old_timeout);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcerpc_netr_ServerPasswordSet2 failed: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+ } else {
+
+ struct samr_Password new_password;
+ uint32_t old_timeout;
+
+ memcpy(new_password.hash, new_trust_passwd_hash, sizeof(new_password.hash));
+ netlogon_creds_des_encrypt(cli->dc, &new_password);
+
+ old_timeout = dcerpc_binding_handle_set_timeout(b, 600000);
+
+ status = dcerpc_netr_ServerPasswordSet(b, mem_ctx,
+ cli->srv_name_slash,
+ cli->dc->account_name,
+ sec_channel_type,
+ cli->dc->computer_name,
+ &clnt_creds,
+ &srv_cred,
+ &new_password,
+ &result);
+
+ dcerpc_binding_handle_set_timeout(b, old_timeout);
- if (memcmp(zeros, user_session_key.key, 16) != 0) {
- SamOEMhash(user_session_key.key, cli->dc->sess_key, 16);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcerpc_netr_ServerPasswordSet failed: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
}
- if (memcmp(zeros, lmsesskey.key, 8) != 0) {
- SamOEMhash(lmsesskey.key, cli->dc->sess_key, 8);
+ /* 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;
}
- *info3 = validation.sam3;
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0,("dcerpc_netr_ServerPasswordSet{2} failed: %s\n",
+ nt_errstr(result)));
+ return result;
+ }
return result;
-
- return result;
}
+