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-rw-r--r--source3/utils/net_domain.c338
1 files changed, 338 insertions, 0 deletions
diff --git a/source3/utils/net_domain.c b/source3/utils/net_domain.c
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+++ b/source3/utils/net_domain.c
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+/*
+ Samba Unix/Linux SMB client library
+ net ads commands
+ Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
+ Copyright (C) 2001 Remus Koos (remuskoos@yahoo.com)
+ Copyright (C) 2002 Jim McDonough (jmcd@us.ibm.com)
+ Copyright (C) 2006 Gerald (Jerry) Carter (jerry@samba.org)
+
+ 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
+ (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.
+*/
+
+#include "includes.h"
+#include "utils/net.h"
+
+/* Macro for checking RPC error codes to make things more readable */
+
+#define CHECK_RPC_ERR(rpc, msg) \
+ if (!NT_STATUS_IS_OK(result = rpc)) { \
+ DEBUG(0, (msg ": %s\n", nt_errstr(result))); \
+ goto done; \
+ }
+
+#define CHECK_RPC_ERR_DEBUG(rpc, debug_args) \
+ if (!NT_STATUS_IS_OK(result = rpc)) { \
+ DEBUG(0, debug_args); \
+ goto done; \
+ }
+
+/*******************************************************************
+ Leave an AD domain. Windows XP disables the machine account.
+ We'll try the same. The old code would do an LDAP delete.
+ That only worked using the machine creds because added the machine
+ with full control to the computer object's ACL.
+*******************************************************************/
+
+NTSTATUS netdom_leave_domain( TALLOC_CTX *mem_ctx, struct cli_state *cli,
+ DOM_SID *dom_sid )
+{
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ POLICY_HND sam_pol, domain_pol, user_pol;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *acct_name;
+ uint32 flags = 0x3e8;
+ const char *const_acct_name;
+ uint32 user_rid;
+ uint32 num_rids, *name_types, *user_rids;
+ SAM_USERINFO_CTR ctr, *qctr = NULL;
+ SAM_USER_INFO_16 p16;
+
+ /* Open the domain */
+
+ if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status)) == NULL ) {
+ DEBUG(0, ("Error connecting to SAM pipe. Error was %s\n",
+ nt_errstr(status) ));
+ return status;
+ }
+
+ status = rpccli_samr_connect(pipe_hnd, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+
+ status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, dom_sid, &domain_pol);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ /* Create domain user */
+
+ acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
+ strlower_m(acct_name);
+ const_acct_name = acct_name;
+
+ status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
+ &domain_pol, flags, 1, &const_acct_name,
+ &num_rids, &user_rids, &name_types);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ if ( name_types[0] != SID_NAME_USER) {
+ DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name, name_types[0]));
+ return NT_STATUS_INVALID_WORKSTATION;
+ }
+
+ user_rid = user_rids[0];
+
+ /* Open handle on user */
+
+ status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
+ if ( !NT_STATUS_IS_OK(status) ) {
+ goto done;
+ }
+
+ /* Get user info */
+
+ status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx, &user_pol, 16, &qctr);
+ if ( !NT_STATUS_IS_OK(status) ) {
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+ goto done;
+ }
+
+ /* now disable and setuser info */
+
+ ZERO_STRUCT(ctr);
+ ctr.switch_value = 16;
+ ctr.info.id16 = &p16;
+
+ p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
+
+ status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
+ &cli->user_session_key, &ctr);
+
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+
+done:
+ rpccli_samr_close(pipe_hnd, mem_ctx, &domain_pol);
+ rpccli_samr_close(pipe_hnd, mem_ctx, &sam_pol);
+
+ cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
+
+ return status;
+}
+
+/*******************************************************************
+ Store the machine password and domain SID
+ ********************************************************************/
+
+int netdom_store_machine_account( const char *domain, DOM_SID *sid, const char *pw )
+{
+ if (!secrets_store_domain_sid(domain, sid)) {
+ DEBUG(1,("Failed to save domain sid\n"));
+ return -1;
+ }
+
+ if (!secrets_store_machine_password(pw, domain, SEC_CHAN_WKSTA)) {
+ DEBUG(1,("Failed to save machine password\n"));
+ return -1;
+ }
+
+ return 0;
+}
+
+/*******************************************************************
+ ********************************************************************/
+
+NTSTATUS netdom_get_domain_sid( TALLOC_CTX *mem_ctx, struct cli_state *cli, DOM_SID **sid )
+{
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ POLICY_HND lsa_pol;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *domain = NULL;
+
+ if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status)) == NULL ) {
+ DEBUG(0, ("Error connecting to LSA pipe. Error was %s\n",
+ nt_errstr(status) ));
+ return status;
+ }
+
+ status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx,
+ &lsa_pol, 5, &domain, sid);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ rpccli_lsa_close(pipe_hnd, mem_ctx, &lsa_pol);
+ cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
+
+ /* Bail out if domain didn't get set. */
+ if (!domain) {
+ DEBUG(0, ("Could not get domain name.\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ Do the domain join
+ ********************************************************************/
+
+NTSTATUS netdom_join_domain( TALLOC_CTX *mem_ctx, struct cli_state *cli,
+ DOM_SID *dom_sid, const char *clear_pw,
+ enum netdom_domain_t dom_type )
+{
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ POLICY_HND sam_pol, domain_pol, user_pol;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ char *acct_name;
+ const char *const_acct_name;
+ uint32 user_rid;
+ uint32 num_rids, *name_types, *user_rids;
+ uint32 flags = 0x3e8;
+ uint32 acb_info = ACB_WSTRUST;
+ uchar pwbuf[516];
+ SAM_USERINFO_CTR ctr;
+ SAM_USER_INFO_24 p24;
+ SAM_USER_INFO_16 p16;
+ uchar md4_trust_password[16];
+
+ /* Open the domain */
+
+ if ( (pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status)) == NULL ) {
+ DEBUG(0, ("Error connecting to SAM pipe. Error was %s\n",
+ nt_errstr(status) ));
+ return status;
+ }
+
+ status = rpccli_samr_connect(pipe_hnd, mem_ctx,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+
+ status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, dom_sid, &domain_pol);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ /* Create domain user */
+
+ acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
+ strlower_m(acct_name);
+ const_acct_name = acct_name;
+
+ /* Don't try to set any acb_info flags other than ACB_WSTRUST */
+
+ status = rpccli_samr_create_dom_user(pipe_hnd, mem_ctx, &domain_pol,
+ acct_name, acb_info, 0xe005000b, &user_pol, &user_rid);
+
+ if ( !NT_STATUS_IS_OK(status)
+ && !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS))
+ {
+ d_fprintf(stderr, "Creation of workstation account failed\n");
+
+ /* If NT_STATUS_ACCESS_DENIED then we have a valid
+ username/password combo but the user does not have
+ administrator access. */
+
+ if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED))
+ d_fprintf(stderr, "User specified does not have administrator privileges\n");
+
+ return status;
+ }
+
+ /* We *must* do this.... don't ask... */
+
+ if (NT_STATUS_IS_OK(status)) {
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+ }
+
+ status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
+ &domain_pol, flags, 1, &const_acct_name,
+ &num_rids, &user_rids, &name_types);
+ if ( !NT_STATUS_IS_OK(status) )
+ return status;
+
+ if ( name_types[0] != SID_NAME_USER) {
+ DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name, name_types[0]));
+ return NT_STATUS_INVALID_WORKSTATION;
+ }
+
+ user_rid = user_rids[0];
+
+ /* Open handle on user */
+
+ status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
+ SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid, &user_pol);
+
+ /* Create a random machine account password */
+
+ E_md4hash( clear_pw, md4_trust_password);
+ encode_pw_buffer(pwbuf, clear_pw, STR_UNICODE);
+
+ /* Set password on machine account */
+
+ ZERO_STRUCT(ctr);
+ ZERO_STRUCT(p24);
+
+ init_sam_user_info24(&p24, (char *)pwbuf,24);
+
+ ctr.switch_value = 24;
+ ctr.info.id24 = &p24;
+
+ status = rpccli_samr_set_userinfo(pipe_hnd, mem_ctx, &user_pol,
+ 24, &cli->user_session_key, &ctr);
+
+ /* Why do we have to try to (re-)set the ACB to be the same as what
+ we passed in the samr_create_dom_user() call? When a NT
+ workstation is joined to a domain by an administrator the
+ acb_info is set to 0x80. For a normal user with "Add
+ workstations to the domain" rights the acb_info is 0x84. I'm
+ not sure whether it is supposed to make a difference or not. NT
+ seems to cope with either value so don't bomb out if the set
+ userinfo2 level 0x10 fails. -tpot */
+
+ ZERO_STRUCT(ctr);
+ ctr.switch_value = 16;
+ ctr.info.id16 = &p16;
+
+ /* Fill in the additional account flags now */
+
+ acb_info |= ACB_PWNOEXP;
+ if ( dom_type == ND_TYPE_AD ) {
+#if !defined(ENCTYPE_ARCFOUR_HMAC)
+ acb_info |= ACB_USE_DES_KEY_ONLY;
+#endif
+ ;;
+ }
+
+ init_sam_user_info16(&p16, acb_info);
+
+ status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
+ &cli->user_session_key, &ctr);
+
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+ cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
+
+ return status;
+}
+
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