-/*
+/*
Unix SMB/CIFS implementation.
NT Domain Authentication SMB / MSRPC client
Copyright (C) Andrew Tridgell 1992-2000
- Copyright (C) Luke Kenneth Casson Leighton 1996-2000
- Copyright (C) Tim Potter 2001
- Copyright (C) Paul Ashton 1997.
Copyright (C) Jeremy Allison 1998.
- Copyright (C) Andrew Bartlett 2001.
-
+ 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
- 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-/* LSA Request Challenge. Sends our challenge to server, then gets
- server response. These are used to generate the credentials. */
-
-NTSTATUS cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal,
- DOM_CHAL *srv_chal)
-{
- prs_struct qbuf, rbuf;
- NET_Q_REQ_CHAL q;
- NET_R_REQ_CHAL r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
-
- /* create and send a MSRPC command with api NET_REQCHAL */
-
- DEBUG(4,("cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n",
- global_myname(), cli->desthost, credstr(clnt_chal->data)));
-
- /* store the parameters */
- init_q_req_chal(&q, cli->srv_name_slash, global_myname(), clnt_chal);
-
- /* Marshall data and send request */
-
- if (!net_io_q_req_chal("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_REQCHAL, &qbuf, &rbuf)) {
- goto done;
- }
-
- /* Unmarhall response */
-
- if (!net_io_r_req_chal("", &r, &rbuf, 0)) {
- goto done;
- }
-
- result = r.status;
-
- /* Return result */
-
- if (NT_STATUS_IS_OK(result)) {
- memcpy(srv_chal, r.srv_chal.data, sizeof(srv_chal->data));
- }
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
-
- return result;
-}
-
/****************************************************************************
-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.
+ 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
+ netlogon pipe struct.
****************************************************************************/
-NTSTATUS cli_net_auth2(struct cli_state *cli,
- uint16 sec_chan,
- uint32 *neg_flags, DOM_CHAL *srv_chal)
+NTSTATUS rpccli_netlogon_setup_creds(struct rpc_pipe_client *cli,
+ const char *server_name,
+ const char *domain,
+ const char *clnt_name,
+ const char *machine_account,
+ const unsigned char machine_pwd[16],
+ enum netr_SchannelType sec_chan_type,
+ uint32_t *neg_flags_inout)
{
- prs_struct qbuf, rbuf;
- NET_Q_AUTH_2 q;
- NET_R_AUTH_2 r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
-
- /* 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, cli->mach_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, cli->mach_acct,
- sec_chan, global_myname(), &cli->clnt_cred.challenge,
- *neg_flags);
-
- /* turn parameters into data stream */
-
- if (!net_io_q_auth_2("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_AUTH2, &qbuf, &rbuf)) {
- goto done;
- }
-
- /* Unmarshall response */
-
- if (!net_io_r_auth_2("", &r, &rbuf, 0)) {
- goto done;
- }
-
- 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->desthost ));
- result = NT_STATUS_ACCESS_DENIED;
- goto done;
- }
- *neg_flags = r.srv_flgs.neg_flags;
- }
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
-
- return result;
-}
-
-/****************************************************************************
-LSA Authenticate 3
-
-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 cli_net_auth3(struct cli_state *cli,
- uint16 sec_chan,
- uint32 *neg_flags, DOM_CHAL *srv_chal)
-{
- prs_struct qbuf, rbuf;
- NET_Q_AUTH_3 q;
- NET_R_AUTH_3 r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, cli->mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL);
-
- /* create and send a MSRPC command with api NET_AUTH2 */
-
- DEBUG(4,("cli_net_auth3: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
- cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname(),
- credstr(cli->clnt_cred.challenge.data), *neg_flags));
-
- /* store the parameters */
- init_q_auth_3(&q, cli->srv_name_slash, cli->mach_acct,
- sec_chan, global_myname(), &cli->clnt_cred.challenge,
- *neg_flags);
-
- /* turn parameters into data stream */
-
- if (!net_io_q_auth_3("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_AUTH3, &qbuf, &rbuf)) {
- goto done;
- }
-
- /* Unmarshall response */
-
- if (!net_io_r_auth_3("", &r, &rbuf, 0)) {
- goto done;
- }
-
- 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_auth3: server %s replied with bad credential (bad machine \
-password ?).\n", cli->desthost ));
- result = NT_STATUS_ACCESS_DENIED;
- goto done;
- }
- *neg_flags = r.srv_flgs.neg_flags;
- }
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
-
- return result;
-}
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ struct netr_Credential clnt_chal_send;
+ struct netr_Credential srv_chal_recv;
+ struct dcinfo *dc;
+ bool retried = false;
-/* Initialize domain session credentials */
+ SMB_ASSERT(ndr_syntax_id_equal(&cli->abstract_syntax,
+ &ndr_table_netlogon.syntax_id));
-NTSTATUS cli_nt_setup_creds(struct cli_state *cli,
- uint16 sec_chan,
- const unsigned char mach_pwd[16], uint32 *neg_flags, int level)
-{
- DOM_CHAL clnt_chal;
- DOM_CHAL srv_chal;
- UTIME zerotime;
- NTSTATUS result;
-
- /******************* Request Challenge ********************/
-
- generate_random_buffer(clnt_chal.data, 8, False);
-
- /* send a client challenge; receive a server challenge */
- result = cli_net_req_chal(cli, &clnt_chal, &srv_chal);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(0,("cli_nt_setup_creds: request challenge failed\n"));
- return result;
- }
-
- /**************** Long-term Session key **************/
-
- /* calculate the session key */
- cred_session_key(&clnt_chal, &srv_chal, mach_pwd,
- cli->sess_key);
- memset((char *)cli->sess_key+8, '\0', 8);
-
- /******************* Authenticate 2/3 ********************/
-
- /* calculate auth-2/3 credentials */
- zerotime.time = 0;
- cred_create(cli->sess_key, &clnt_chal, zerotime, &cli->clnt_cred.challenge);
-
- /*
- * Send client auth-2/3 challenge.
- * Receive an auth-2/3 challenge response and check it.
- */
- switch (level) {
- case 2:
- result = cli_net_auth2(cli, sec_chan, neg_flags, &srv_chal);
- break;
- case 3:
- result = cli_net_auth3(cli, sec_chan, neg_flags, &srv_chal);
- break;
- default:
- DEBUG(1,("cli_nt_setup_creds: unsupported auth level: %d\n", level));
- break;
+ TALLOC_FREE(cli->dc);
+ cli->dc = talloc_zero(cli, struct dcinfo);
+ if (cli->dc == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
+ dc = cli->dc;
- if (!NT_STATUS_IS_OK(result))
- DEBUG(3,("cli_nt_setup_creds: auth%d challenge failed %s\n", level, nt_errstr(result)));
+ /* Store the machine account password we're going to use. */
+ memcpy(dc->mach_pw, machine_pwd, 16);
- return result;
-}
+ fstrcpy(dc->remote_machine, "\\\\");
+ fstrcat(dc->remote_machine, server_name);
-/* Logon Control 2 */
+ fstrcpy(dc->domain, domain);
-NTSTATUS cli_netlogon_logon_ctrl2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- uint32 query_level)
-{
- prs_struct qbuf, rbuf;
- NET_Q_LOGON_CTRL2 q;
- NET_R_LOGON_CTRL2 r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ fstr_sprintf( dc->mach_acct, "%s$", machine_account);
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
+ again:
+ /* Create the client challenge. */
+ generate_random_buffer(clnt_chal_send.data, 8);
- /* Initialise parse structures */
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
+ /* Get the server challenge. */
+ result = rpccli_netr_ServerReqChallenge(cli, talloc_tos(),
+ dc->remote_machine,
+ clnt_name,
+ &clnt_chal_send,
+ &srv_chal_recv);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
- /* Initialise input parameters */
+ /* 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);
- init_net_q_logon_ctrl2(&q, cli->srv_name_slash, query_level);
+ /*
+ * Send client auth-2 challenge and receive server repy.
+ */
- /* Marshall data and send request */
+ result = rpccli_netr_ServerAuthenticate2(cli, talloc_tos(),
+ dc->remote_machine,
+ dc->mach_acct,
+ sec_chan_type,
+ clnt_name,
+ &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 (!net_io_q_logon_ctrl2("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &qbuf, &rbuf)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
}
- /* Unmarshall response */
+ /*
+ * Check the returned value using the initial
+ * server received challenge.
+ */
- if (!net_io_r_logon_ctrl2("", &r, &rbuf, 0)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ if (!netlogon_creds_client_check(dc, &srv_chal_recv)) {
+ /*
+ * Server replied with bad credential. Fail.
+ */
+ DEBUG(0,("rpccli_netlogon_setup_creds: server %s "
+ "replied with bad credential\n",
+ cli->desthost ));
+ return NT_STATUS_ACCESS_DENIED;
}
- result = r.status;
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
+ DEBUG(5,("rpccli_netlogon_setup_creds: server %s credential "
+ "chain established.\n",
+ cli->desthost ));
- return result;
+ return NT_STATUS_OK;
}
-/* GetDCName */
+/* Logon domain user */
-NTSTATUS cli_netlogon_getdcname(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- const char *domainname, fstring dcname)
+NTSTATUS rpccli_netlogon_sam_logon(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ uint32 logon_parameters,
+ const char *domain,
+ const char *username,
+ const char *password,
+ const char *workstation,
+ int logon_type)
{
- prs_struct qbuf, rbuf;
- NET_Q_GETDCNAME q;
- NET_R_GETDCNAME r;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ 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];
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
-
- /* Initialise parse structures */
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
-
- /* Initialise input parameters */
-
- init_net_q_getdcname(&q, cli->srv_name_slash, domainname);
-
- /* Marshall data and send request */
+ ZERO_STRUCT(ret_creds);
+ ZERO_STRUCT(zeros);
- if (!net_io_q_getdcname("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_GETDCNAME, &qbuf, &rbuf)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ if (!logon) {
+ return NT_STATUS_NO_MEMORY;
}
- /* Unmarshall response */
-
- if (!net_io_r_getdcname("", &r, &rbuf, 0)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ if (workstation) {
+ fstr_sprintf( clnt_name_slash, "\\\\%s", workstation );
+ } else {
+ fstr_sprintf( clnt_name_slash, "\\\\%s", global_myname() );
}
- result = r.status;
+ /* Initialise input parameters */
- if (NT_STATUS_IS_OK(result))
- rpcstr_pull_unistr2_fstring(dcname, &r.uni_dcname);
+ netlogon_creds_client_step(cli->dc, &clnt_creds);
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
+ switch (logon_type) {
+ case NetlogonInteractiveInformation: {
- return result;
-}
+ struct netr_PasswordInfo *password_info;
-/****************************************************************************
-Generate the next creds to use.
-****************************************************************************/
+ struct samr_Password lmpassword;
+ struct samr_Password ntpassword;
-static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred)
-{
- /*
- * Create the new client credentials.
- */
-
- cli->clnt_cred.timestamp.time = time(NULL);
-
- memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred));
-
- /* Calculate the new credentials. */
- cred_create(cli->sess_key, &(cli->clnt_cred.challenge),
- new_clnt_cred->timestamp, &(new_clnt_cred->challenge));
-}
+ unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];
-/* Sam synchronisation */
+ unsigned char lm_owf[16];
+ unsigned char nt_owf[16];
+ unsigned char key[16];
-NTSTATUS cli_netlogon_sam_sync(struct cli_state *cli, TALLOC_CTX *mem_ctx, DOM_CRED *ret_creds,
- uint32 database_id, uint32 next_rid, uint32 *num_deltas,
- SAM_DELTA_HDR **hdr_deltas,
- SAM_DELTA_CTR **deltas)
-{
- prs_struct qbuf, rbuf;
- NET_Q_SAM_SYNC q;
- NET_R_SAM_SYNC r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- DOM_CRED clnt_creds;
+ password_info = TALLOC_ZERO_P(mem_ctx, struct netr_PasswordInfo);
+ if (!password_info) {
+ return NT_STATUS_NO_MEMORY;
+ }
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
+ 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);
+
+ logon->password = password_info;
+
+ break;
+ }
+ case NetlogonNetworkInformation: {
+ struct netr_NetworkInfo *network_info;
+ uint8 chal[8];
+ unsigned char local_lm_response[24];
+ unsigned char local_nt_response[24];
+ struct netr_ChallengeResponse lm;
+ struct netr_ChallengeResponse nt;
+
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
+
+ network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ if (!network_info) {
+ return NT_STATUS_NO_MEMORY;
+ }
- /* Initialise parse structures */
+ generate_random_buffer(chal, 8);
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
+ SMBencrypt(password, chal, local_lm_response);
+ SMBNTencrypt(password, chal, local_nt_response);
- /* Initialise input parameters */
+ lm.length = 24;
+ lm.data = local_lm_response;
- gen_next_creds(cli, &clnt_creds);
+ nt.length = 24;
+ nt.data = local_nt_response;
- init_net_q_sam_sync(&q, cli->srv_name_slash, cli->clnt_name_slash + 2,
- &clnt_creds, ret_creds, database_id, next_rid);
+ init_netr_NetworkInfo(network_info,
+ domain,
+ logon_parameters,
+ 0xdead,
+ 0xbeef,
+ username,
+ clnt_name_slash,
+ chal,
+ nt,
+ lm);
- /* Marshall data and send request */
+ logon->network = network_info;
- if (!net_io_q_sam_sync("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_SAM_SYNC, &qbuf, &rbuf)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ break;
}
-
- /* Unmarshall response */
-
- if (!net_io_r_sam_sync("", cli->sess_key, &r, &rbuf, 0)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ default:
+ DEBUG(0, ("switch value %d not supported\n",
+ logon_type));
+ return NT_STATUS_INVALID_INFO_CLASS;
}
- /* Return results */
-
- result = r.status;
- *num_deltas = r.num_deltas2;
- *hdr_deltas = r.hdr_deltas;
- *deltas = r.deltas;
-
- memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
+ result = rpccli_netr_LogonSamLogon(cli, mem_ctx,
+ cli->dc->remote_machine,
+ global_myname(),
+ &clnt_creds,
+ &ret_creds,
+ logon_type,
+ logon,
+ validation_level,
+ &validation,
+ &authoritative);
+
+ 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;
+ }
+ }
return result;
}
-/* Sam synchronisation */
-NTSTATUS cli_netlogon_sam_deltas(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- uint32 database_id, UINT64_S seqnum,
- uint32 *num_deltas,
- SAM_DELTA_HDR **hdr_deltas,
- SAM_DELTA_CTR **deltas)
+/**
+ * Logon domain user with an 'network' SAM logon
+ *
+ * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
+ **/
+
+NTSTATUS rpccli_netlogon_sam_network_logon(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ uint32 logon_parameters,
+ const char *server,
+ const char *username,
+ const char *domain,
+ const char *workstation,
+ const uint8 chal[8],
+ DATA_BLOB lm_response,
+ DATA_BLOB nt_response,
+ struct netr_SamInfo3 **info3)
{
- prs_struct qbuf, rbuf;
- NET_Q_SAM_DELTAS q;
- NET_R_SAM_DELTAS r;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- DOM_CRED clnt_creds;
+ int validation_level = 3;
+ 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;
+ struct netr_NetworkInfo *network_info;
+ uint8_t authoritative;
+ union netr_Validation validation;
+ struct netr_ChallengeResponse lm;
+ struct netr_ChallengeResponse nt;
+
+ *info3 = NULL;
+
+ ZERO_STRUCT(zeros);
+ ZERO_STRUCT(ret_creds);
+
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
+
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ if (!logon) {
+ return NT_STATUS_NO_MEMORY;
+ }
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
+ network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ if (!network_info) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ netlogon_creds_client_step(cli->dc, &clnt_creds);
- /* Initialise parse structures */
+ if (server[0] != '\\' && server[1] != '\\') {
+ server_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", server);
+ } else {
+ server_name_slash = server;
+ }
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
+ if (workstation[0] != '\\' && workstation[1] != '\\') {
+ workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
+ } else {
+ workstation_name_slash = workstation;
+ }
+
+ if (!workstation_name_slash || !server_name_slash) {
+ DEBUG(0, ("talloc_asprintf failed!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
/* Initialise input parameters */
- gen_next_creds(cli, &clnt_creds);
+ lm.data = lm_response.data;
+ lm.length = lm_response.length;
+ nt.data = nt_response.data;
+ nt.length = nt_response.length;
- init_net_q_sam_deltas(&q, cli->srv_name_slash,
- cli->clnt_name_slash + 2, &clnt_creds,
- database_id, seqnum);
+ init_netr_NetworkInfo(network_info,
+ domain,
+ logon_parameters,
+ 0xdead,
+ 0xbeef,
+ username,
+ workstation_name_slash,
+ (uint8_t *) chal,
+ nt,
+ lm);
+
+ logon->network = network_info;
/* Marshall data and send request */
- if (!net_io_q_sam_deltas("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_SAM_DELTAS, &qbuf, &rbuf)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ result = rpccli_netr_LogonSamLogon(cli, mem_ctx,
+ server_name_slash,
+ global_myname(),
+ &clnt_creds,
+ &ret_creds,
+ NetlogonNetworkInformation,
+ logon,
+ validation_level,
+ &validation,
+ &authoritative);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
}
- /* Unmarshall response */
-
- if (!net_io_r_sam_deltas("", cli->sess_key, &r, &rbuf, 0)) {
- result = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ if (memcmp(zeros, validation.sam3->base.key.key, 16) != 0) {
+ SamOEMhash(validation.sam3->base.key.key,
+ cli->dc->sess_key, 16);
}
- /* Return results */
+ if (memcmp(zeros, validation.sam3->base.LMSessKey.key, 8) != 0) {
+ SamOEMhash(validation.sam3->base.LMSessKey.key,
+ cli->dc->sess_key, 8);
+ }
- result = r.status;
- *num_deltas = r.num_deltas2;
- *hdr_deltas = r.hdr_deltas;
- *deltas = r.deltas;
+ 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;
+ }
+ }
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
+ *info3 = validation.sam3;
return result;
}
-/* Logon domain user */
-
-NTSTATUS cli_netlogon_sam_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- DOM_CRED *ret_creds,
- const char *username, const char *password,
- int logon_type)
+NTSTATUS rpccli_netlogon_sam_network_logon_ex(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ uint32 logon_parameters,
+ const char *server,
+ const char *username,
+ const char *domain,
+ const char *workstation,
+ const uint8 chal[8],
+ DATA_BLOB lm_response,
+ DATA_BLOB nt_response,
+ struct netr_SamInfo3 **info3)
{
- prs_struct qbuf, rbuf;
- NET_Q_SAM_LOGON q;
- NET_R_SAM_LOGON r;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- DOM_CRED clnt_creds, dummy_rtn_creds;
- NET_ID_INFO_CTR ctr;
- NET_USER_INFO_3 user;
- int validation_level = 3;
-
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
- ZERO_STRUCT(dummy_rtn_creds);
-
- /* Initialise parse structures */
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
-
- /* Initialise input parameters */
-
- gen_next_creds(cli, &clnt_creds);
-
- q.validation_level = validation_level;
-
- if (ret_creds == NULL)
- ret_creds = &dummy_rtn_creds;
-
- ctr.switch_value = logon_type;
-
- switch (logon_type) {
- case INTERACTIVE_LOGON_TYPE: {
- unsigned char lm_owf_user_pwd[16], nt_owf_user_pwd[16];
-
- nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd);
-
- init_id_info1(&ctr.auth.id1, lp_workgroup(),
- 0, /* param_ctrl */
- 0xdead, 0xbeef, /* LUID? */
- username, cli->clnt_name_slash,
- (const char *)cli->sess_key, lm_owf_user_pwd,
- nt_owf_user_pwd);
-
- break;
- }
- case NET_LOGON_TYPE: {
- uint8 chal[8];
- unsigned char local_lm_response[24];
- unsigned char local_nt_response[24];
-
- generate_random_buffer(chal, 8, False);
-
- SMBencrypt(password, chal, local_lm_response);
- SMBNTencrypt(password, chal, local_nt_response);
-
- init_id_info2(&ctr.auth.id2, lp_workgroup(),
- 0, /* param_ctrl */
- 0xdead, 0xbeef, /* LUID? */
- username, cli->clnt_name_slash, chal,
- local_lm_response, 24, local_nt_response, 24);
- break;
- }
- default:
- DEBUG(0, ("switch value %d not supported\n",
- ctr.switch_value));
- goto done;
- }
-
- init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname(),
- &clnt_creds, ret_creds, logon_type,
- &ctr);
-
- /* Marshall data and send request */
-
- if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
- goto done;
+ int validation_level = 3;
+ 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;
+ uint32_t flags = 0;
+
+ *info3 = NULL;
+
+ ZERO_STRUCT(zeros);
+
+ ZERO_STRUCT(lm);
+ ZERO_STRUCT(nt);
+
+ logon = TALLOC_ZERO_P(mem_ctx, union netr_LogonLevel);
+ if (!logon) {
+ return NT_STATUS_NO_MEMORY;
}
- /* Unmarshall response */
-
- r.user = &user;
-
- if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
- goto done;
+ network_info = TALLOC_ZERO_P(mem_ctx, struct netr_NetworkInfo);
+ if (!network_info) {
+ return NT_STATUS_NO_MEMORY;
}
- /* Return results */
-
- result = r.status;
- memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));
-
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
-
- return result;
-}
-
-
-/**
- * Logon domain user with an 'network' SAM logon
- *
- * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
- **/
+ if (server[0] != '\\' && server[1] != '\\') {
+ server_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", server);
+ } else {
+ server_name_slash = server;
+ }
-NTSTATUS cli_netlogon_sam_network_logon(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- DOM_CRED *ret_creds,
- const char *username, const char *domain, const char *workstation,
- const uint8 chal[8],
- DATA_BLOB lm_response, DATA_BLOB nt_response,
- NET_USER_INFO_3 *info3)
+ if (workstation[0] != '\\' && workstation[1] != '\\') {
+ workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
+ } else {
+ workstation_name_slash = workstation;
+ }
-{
- prs_struct qbuf, rbuf;
- NET_Q_SAM_LOGON q;
- NET_R_SAM_LOGON r;
- NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- DOM_CRED clnt_creds, dummy_rtn_creds;
- NET_ID_INFO_CTR ctr;
- int validation_level = 3;
- char *workstation_name_slash;
- uint8 netlogon_sess_key[16];
- static uint8 zeros[16];
-
- ZERO_STRUCT(q);
- ZERO_STRUCT(r);
- ZERO_STRUCT(dummy_rtn_creds);
-
- workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
-
- if (!workstation_name_slash) {
+ if (!workstation_name_slash || !server_name_slash) {
DEBUG(0, ("talloc_asprintf failed!\n"));
return NT_STATUS_NO_MEMORY;
}
- /* Initialise parse structures */
-
- prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
-
/* Initialise input parameters */
- gen_next_creds(cli, &clnt_creds);
-
- q.validation_level = validation_level;
-
- if (ret_creds == NULL)
- ret_creds = &dummy_rtn_creds;
+ lm.data = lm_response.data;
+ lm.length = lm_response.length;
+ nt.data = nt_response.data;
+ nt.length = nt_response.length;
- ctr.switch_value = NET_LOGON_TYPE;
+ init_netr_NetworkInfo(network_info,
+ domain,
+ logon_parameters,
+ 0xdead,
+ 0xbeef,
+ username,
+ workstation_name_slash,
+ (uint8_t *) chal,
+ nt,
+ lm);
- init_id_info2(&ctr.auth.id2, domain,
- 0, /* param_ctrl */
- 0xdead, 0xbeef, /* LUID? */
- username, workstation_name_slash, (const uchar*)chal,
- lm_response.data, lm_response.length, nt_response.data, nt_response.length);
-
- init_sam_info(&q.sam_id, cli->srv_name_slash, global_myname(),
- &clnt_creds, ret_creds, NET_LOGON_TYPE,
- &ctr);
+ logon->network = network_info;
/* Marshall data and send request */
- if (!net_io_q_sam_logon("", &q, &qbuf, 0) ||
- !rpc_api_pipe_req(cli, NET_SAMLOGON, &qbuf, &rbuf)) {
- goto done;
+ result = rpccli_netr_LogonSamLogonEx(cli, mem_ctx,
+ server_name_slash,
+ global_myname(),
+ NetlogonNetworkInformation,
+ logon,
+ validation_level,
+ &validation,
+ &authoritative,
+ &flags);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
}
- /* Unmarshall response */
-
- r.user = info3;
-
- if (!net_io_r_sam_logon("", &r, &rbuf, 0)) {
- goto done;
- }
-
- ZERO_STRUCT(netlogon_sess_key);
- memcpy(netlogon_sess_key, cli->sess_key, 8);
-
- if (memcmp(zeros, info3->user_sess_key, 16) != 0) {
- SamOEMhash(info3->user_sess_key, netlogon_sess_key, 16);
- } else {
- memset(info3->user_sess_key, '\0', 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, info3->padding, 16) != 0) {
- SamOEMhash(info3->padding, netlogon_sess_key, 16);
- } else {
- memset(info3->padding, '\0', 16);
+ if (memcmp(zeros, validation.sam3->base.LMSessKey.key, 8) != 0) {
+ SamOEMhash(validation.sam3->base.LMSessKey.key,
+ cli->dc->sess_key, 8);
}
- /* Return results */
+ *info3 = validation.sam3;
- result = r.status;
- memcpy(ret_creds, &r.srv_creds, sizeof(*ret_creds));
+ return result;
+}
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
+/*********************************************************
+ Change the domain password on the PDC.
- return result;
-}
+ Just changes the password betwen the two values specified.
-/***************************************************************************
-LSA Server Password Set.
-****************************************************************************/
+ Caller must have the cli connected to the netlogon pipe
+ already.
+**********************************************************/
-NTSTATUS cli_net_srv_pwset(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- const char *machine_name, uint8 hashed_mach_pwd[16])
+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)
{
- prs_struct rbuf;
- prs_struct qbuf;
- DOM_CRED new_clnt_cred;
- NET_Q_SRV_PWSET q_s;
- uint16 sec_chan_type = 2;
- NTSTATUS nt_status;
-
- gen_next_creds( cli, &new_clnt_cred);
-
- prs_init(&qbuf , 1024, mem_ctx, MARSHALL);
- prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);
-
- DEBUG(4,("cli_net_srv_pwset: srv:%s acct:%s sc: %d mc: %s clnt %s %x\n",
- cli->srv_name_slash, cli->mach_acct, sec_chan_type, machine_name,
- credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time));
-
- /* store the parameters */
- init_q_srv_pwset(&q_s, cli->srv_name_slash, (const char *)cli->sess_key,
- cli->mach_acct, sec_chan_type, machine_name,
- &new_clnt_cred, hashed_mach_pwd);
-
- /* turn parameters into data stream */
- if(!net_io_q_srv_pwset("", &q_s, &qbuf, 0)) {
- DEBUG(0,("cli_net_srv_pwset: Error : failed to marshall NET_Q_SRV_PWSET struct.\n"));
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ 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;
}
-
- /* send the data on \PIPE\ */
- if (rpc_api_pipe_req(cli, NET_SRVPWSET, &qbuf, &rbuf))
- {
- NET_R_SRV_PWSET r_s;
-
- if (!net_io_r_srv_pwset("", &r_s, &rbuf, 0)) {
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
- }
-
- nt_status = r_s.status;
-
- if (!NT_STATUS_IS_OK(r_s.status))
- {
- /* report error code */
- DEBUG(0,("cli_net_srv_pwset: %s\n", nt_errstr(nt_status)));
- goto done;
+
+ 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 {
- /* Update the credentials. */
- if (!clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_cred)))
- {
- /*
- * Server replied with bad credential. Fail.
- */
- DEBUG(0,("cli_net_srv_pwset: server %s replied with bad credential (bad machine \
-password ?).\n", cli->desthost ));
- nt_status = NT_STATUS_UNSUCCESSFUL;
+ 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;
}
}
- done:
- prs_mem_free(&qbuf);
- prs_mem_free(&rbuf);
-
- return nt_status;
+ /* 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;
}