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cli_lsarpc.c

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/* 
   Unix SMB/CIFS implementation.
   RPC pipe client
   Copyright (C) Tim Potter                        2000-2001,
   Copyright (C) Andrew Tridgell              1992-1997,2000,
   Copyright (C) Luke Kenneth Casson Leighton 1996-1997,2000,
   Copyright (C) Paul Ashton                       1997,2000,
   Copyright (C) Elrond                                 2000.
   
   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"

/** @defgroup lsa LSA - Local Security Architecture
 *  @ingroup rpc_client
 *
 * @{
 **/

/**
 * @file cli_lsarpc.c
 *
 * RPC client routines for the LSA RPC pipe.  LSA means "local
 * security authority", which is half of a password database.
 **/

/** Opens a SMB connection and connects to the LSARPC pipe.
 *
 * @param cli Uninitialised client handle.
 * @param system_name NETBIOS name of the machine to connect to.
 * @param creds User credentials to connect as.
 * @returns Initialised client handle.
 */
00047 struct cli_state *cli_lsa_initialise(struct cli_state *cli, char *system_name,
                             struct ntuser_creds *creds)
{
        return cli_pipe_initialise(cli, system_name, PIPE_LSARPC, creds);
}

/** Open a LSA policy handle
 *
 * @param cli Handle on an initialised SMB connection */

00057 NTSTATUS cli_lsa_open_policy(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                             BOOL sec_qos, uint32 des_access, POLICY_HND *pol)
{
      prs_struct qbuf, rbuf;
      LSA_Q_OPEN_POL q;
      LSA_R_OPEN_POL r;
      LSA_SEC_QOS qos;
      NTSTATUS result;

      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 */

      if (sec_qos) {
            init_lsa_sec_qos(&qos, 2, 1, 0);
            init_q_open_pol(&q, '\\', 0, des_access, &qos);
      } else {
            init_q_open_pol(&q, '\\', 0, des_access, NULL);
      }

      /* Marshall data and send request */

      if (!lsa_io_q_open_pol("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_OPENPOLICY, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_open_pol("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Return output parameters */

      if (NT_STATUS_IS_OK(result = r.status)) {
            *pol = r.pol;
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Open a LSA policy handle
  *
  * @param cli Handle on an initialised SMB connection 
  */

00116 NTSTATUS cli_lsa_open_policy2(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                              BOOL sec_qos, uint32 des_access, POLICY_HND *pol)
{
      prs_struct qbuf, rbuf;
      LSA_Q_OPEN_POL2 q;
      LSA_R_OPEN_POL2 r;
      LSA_SEC_QOS qos;
      NTSTATUS result;

      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 */

      if (sec_qos) {
            init_lsa_sec_qos(&qos, 2, 1, 0);
            init_q_open_pol2(&q, cli->srv_name_slash, 0, des_access, 
                                 &qos);
      } else {
            init_q_open_pol2(&q, cli->srv_name_slash, 0, des_access, 
                                 NULL);
      }

      /* Marshall data and send request */

      if (!lsa_io_q_open_pol2("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_OPENPOLICY2, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_open_pol2("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Return output parameters */

      if (NT_STATUS_IS_OK(result = r.status)) {
            *pol = r.pol;
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Close a LSA policy handle */

00174 NTSTATUS cli_lsa_close(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
                       POLICY_HND *pol)
{
      prs_struct qbuf, rbuf;
      LSA_Q_CLOSE q;
      LSA_R_CLOSE r;
      NTSTATUS result;

      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);

      /* Marshall data and send request */

      init_lsa_q_close(&q, pol);

      if (!lsa_io_q_close("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_CLOSE, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_close("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Return output parameters */

      if (NT_STATUS_IS_OK(result = r.status)) {
            *pol = r.pol;
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Lookup a list of sids  */
/********************************************************************
 Converts SIDs to names. Outgoing names are in UNIX charset.
*********************************************************************/

00225 NTSTATUS cli_lsa_lookup_sids(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                             POLICY_HND *pol, int num_sids, DOM_SID *sids, 
                             char ***domains, char ***names, uint32 **types)
{
      prs_struct qbuf, rbuf;
      LSA_Q_LOOKUP_SIDS q;
      LSA_R_LOOKUP_SIDS r;
      DOM_R_REF ref;
      LSA_TRANS_NAME_ENUM t_names;
      NTSTATUS result;
      int i;

      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);

      /* Marshall data and send request */

      init_q_lookup_sids(mem_ctx, &q, pol, num_sids, sids, 1);

      if (!lsa_io_q_lookup_sids("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_LOOKUPSIDS, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      ZERO_STRUCT(ref);
      ZERO_STRUCT(t_names);

      r.dom_ref = &ref;
      r.names = &t_names;

      if (!lsa_io_r_lookup_sids("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      result = r.status;

      if (!NT_STATUS_IS_OK(result) &&
          NT_STATUS_V(result) != NT_STATUS_V(STATUS_SOME_UNMAPPED)) {
        
            /* An actual error occured */

            goto done;
      }

      /* Return output parameters */

      if (r.mapped_count == 0) {
            result = NT_STATUS_NONE_MAPPED;
            goto done;
      }

      if (!((*domains) = (char **)talloc(mem_ctx, sizeof(char *) *
                                 num_sids))) {
            DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!((*names) = (char **)talloc(mem_ctx, sizeof(char *) *
                               num_sids))) {
            DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!((*types) = (uint32 *)talloc(mem_ctx, sizeof(uint32) *
                                num_sids))) {
            DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }
            
      for (i = 0; i < num_sids; i++) {
            fstring name, dom_name;
            uint32 dom_idx = t_names.name[i].domain_idx;

            /* Translate optimised name through domain index array */

            if (dom_idx != 0xffffffff) {

                  unistr2_to_unix(dom_name, &ref.ref_dom[dom_idx].uni_dom_name, sizeof(dom_name)- 1);
                  unistr2_to_unix(name, &t_names.uni_name[i], sizeof(name) - 1);

                  (*names)[i] = talloc_strdup(mem_ctx, name);
                  (*domains)[i] = talloc_strdup(mem_ctx, dom_name);
                  (*types)[i] = t_names.name[i].sid_name_use;
                  
                  if (((*names)[i] == NULL) || ((*domains)[i] == NULL)) {
                        DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
                        result = NT_STATUS_UNSUCCESSFUL;
                        goto done;
                  }

            } else {
                  (*names)[i] = NULL;
                  (*types)[i] = SID_NAME_UNKNOWN;
            }
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Lookup a list of names */
/********************************************************************
 Converts names to SIDs. Incoming names are in UNIX charset.
*********************************************************************/

00345 NTSTATUS cli_lsa_lookup_names(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                              POLICY_HND *pol, int num_names, 
                        const char **names, DOM_SID **sids, 
                        uint32 **types)
{
      prs_struct qbuf, rbuf;
      LSA_Q_LOOKUP_NAMES q;
      LSA_R_LOOKUP_NAMES r;
      DOM_R_REF ref;
      NTSTATUS result;
      int i;
      
      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);

      /* Marshall data and send request */

      /* This call converts from UNIX to DOS charset then to unicode. */
      init_q_lookup_names(mem_ctx, &q, pol, num_names, names);

      if (!lsa_io_q_lookup_names("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_LOOKUPNAMES, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }
      
      /* Unmarshall response */

      ZERO_STRUCT(ref);
      r.dom_ref = &ref;

      if (!lsa_io_r_lookup_names("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      result = r.status;

      if (!NT_STATUS_IS_OK(result) && NT_STATUS_V(result) !=
          NT_STATUS_V(STATUS_SOME_UNMAPPED)) {

            /* An actual error occured */

            goto done;
      }

      /* Return output parameters */

      if (r.mapped_count == 0) {
            result = NT_STATUS_NONE_MAPPED;
            goto done;
      }

      if (!((*sids = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) *
                               num_names)))) {
            DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!((*types = (uint32 *)talloc(mem_ctx, sizeof(uint32) *
                               num_names)))) {
            DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      for (i = 0; i < num_names; i++) {
            DOM_RID2 *t_rids = r.dom_rid;
            uint32 dom_idx = t_rids[i].rid_idx;
            uint32 dom_rid = t_rids[i].rid;
            DOM_SID *sid = &(*sids)[i];

            /* Translate optimised sid through domain index array */

            if (dom_idx != 0xffffffff) {

                  sid_copy(sid, &ref.ref_dom[dom_idx].ref_dom.sid);

                  if (dom_rid != 0xffffffff) {
                        sid_append_rid(sid, dom_rid);
                  }

                  (*types)[i] = t_rids[i].type;
            } else {
                  ZERO_STRUCTP(sid);
                  (*types)[i] = SID_NAME_UNKNOWN;
            }
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Query info policy
 *
 *  @param domain_sid - returned remote server's domain sid */

00451 NTSTATUS cli_lsa_query_info_policy(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                   POLICY_HND *pol, uint16 info_class, 
                                   fstring domain_name, DOM_SID *domain_sid)
{
      prs_struct qbuf, rbuf;
      LSA_Q_QUERY_INFO q;
      LSA_R_QUERY_INFO r;
      NTSTATUS result;

      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);

      /* Marshall data and send request */

      init_q_query(&q, pol, info_class);

      if (!lsa_io_q_query("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_QUERYINFOPOLICY, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_query("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      /* Return output parameters */

      ZERO_STRUCTP(domain_sid);
      domain_name[0] = '\0';

      switch (info_class) {

      case 3:
            if (r.dom.id3.buffer_dom_name != 0) {
                  unistr2_to_dos(domain_name,
                               &r.dom.id3.
                               uni_domain_name,
                               sizeof (fstring) - 1);
            }

            if (r.dom.id3.buffer_dom_sid != 0) {
                  *domain_sid = r.dom.id3.dom_sid.sid;
            }

            break;

      case 5:
            
            if (r.dom.id5.buffer_dom_name != 0) {
                  unistr2_to_dos(domain_name, &r.dom.id5.
                               uni_domain_name,
                               sizeof (fstring) - 1);
            }
                  
            if (r.dom.id5.buffer_dom_sid != 0) {
                  *domain_sid = r.dom.id5.dom_sid.sid;
            }

            break;
            
      default:
            DEBUG(3, ("unknown info class %d\n", info_class));
            break;                  
      }
      
 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Enumerate list of trusted domains */

00538 NTSTATUS cli_lsa_enum_trust_dom(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                POLICY_HND *pol, uint32 *enum_ctx, 
                                uint32 *num_domains, char ***domain_names, 
                                DOM_SID **domain_sids)
{
      prs_struct qbuf, rbuf;
      LSA_Q_ENUM_TRUST_DOM q;
      LSA_R_ENUM_TRUST_DOM r;
      NTSTATUS result;
      int i;

      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);

      /* Marshall data and send request */

        init_q_enum_trust_dom(&q, pol, *enum_ctx, 0xffffffff);

      if (!lsa_io_q_enum_trust_dom("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_ENUMTRUSTDOM, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_enum_trust_dom("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      result = r.status;

      if (!NT_STATUS_IS_OK(result) && 
          NT_STATUS_V(result) != NT_STATUS_V(NT_STATUS_NO_MORE_ENTRIES)) {

            /* An actual error ocured */

            goto done;
      }

      result = NT_STATUS_OK;

      /* Return output parameters */

      if (r.num_domains) {

            /* Allocate memory for trusted domain names and sids */

            *domain_names = (char **)talloc(mem_ctx, sizeof(char *) *
                                    r.num_domains);

            if (!*domain_names) {
                  DEBUG(0, ("cli_lsa_enum_trust_dom(): out of memory\n"));
                  result = NT_STATUS_UNSUCCESSFUL;
                  goto done;
            }

            *domain_sids = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) *
                                     r.num_domains);
            if (!domain_sids) {
                  DEBUG(0, ("cli_lsa_enum_trust_dom(): out of memory\n"));
                  result = NT_STATUS_UNSUCCESSFUL;
                  goto done;
            }

            /* Copy across names and sids */

            for (i = 0; i < r.num_domains; i++) {
                  fstring tmp;

                  unistr2_to_unix(tmp, &r.uni_domain_name[i], 
                               sizeof(tmp) - 1);
                  (*domain_names)[i] = talloc_strdup(mem_ctx, tmp);
                  sid_copy(&(*domain_sids)[i], &r.domain_sid[i].sid);
            }
      }

      *num_domains = r.num_domains;
      *enum_ctx = r.enum_context;

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Enumerate privileges*/

00633 NTSTATUS cli_lsa_enum_privilege(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                POLICY_HND *pol, uint32 *enum_context, uint32 pref_max_length,
                        uint32 *count, char ***privs_name, uint32 **privs_high, uint32 **privs_low)
{
      prs_struct qbuf, rbuf;
      LSA_Q_ENUM_PRIVS q;
      LSA_R_ENUM_PRIVS r;
      NTSTATUS result;
      int i;

      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);

      /* Marshall data and send request */

      init_q_enum_privs(&q, pol, *enum_context, pref_max_length);

      if (!lsa_io_q_enum_privs("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_ENUM_PRIVS, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_enum_privs("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      /* Return output parameters */

      *enum_context = r.enum_context;
      *count = r.count;

      if (!((*privs_name = (char **)talloc(mem_ctx, sizeof(char *) * r.count)))) {
            DEBUG(0, ("(cli_lsa_enum_privilege): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!((*privs_high = (uint32 *)talloc(mem_ctx, sizeof(uint32) * r.count)))) {
            DEBUG(0, ("(cli_lsa_enum_privilege): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!((*privs_low = (uint32 *)talloc(mem_ctx, sizeof(uint32) * r.count)))) {
            DEBUG(0, ("(cli_lsa_enum_privilege): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      for (i = 0; i < r.count; i++) {
            fstring name;

            unistr2_to_unix( name, &r.privs[i].name, sizeof(name)-1);

            (*privs_name)[i] = talloc_strdup(mem_ctx, name);

            (*privs_high)[i] = r.privs[i].luid_high;
            (*privs_low)[i] = r.privs[i].luid_low;
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Get privilege name */

00715 NTSTATUS cli_lsa_get_dispname(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                        POLICY_HND *pol, char *name, uint16 lang_id, uint16 lang_id_sys,
                        fstring description, uint16 *lang_id_desc)
{
      prs_struct qbuf, rbuf;
      LSA_Q_PRIV_GET_DISPNAME q;
      LSA_R_PRIV_GET_DISPNAME r;
      NTSTATUS result;

      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);

      /* Marshall data and send request */

      init_lsa_priv_get_dispname(&q, pol, name, lang_id, lang_id_sys);

      if (!lsa_io_q_priv_get_dispname("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_PRIV_GET_DISPNAME, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_priv_get_dispname("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      /* Return output parameters */
      
      unistr2_to_unix(description ,&r.desc, sizeof(description)-1);
      *lang_id_desc = r.lang_id;

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Enumerate list of SIDs  */

00767 NTSTATUS cli_lsa_enum_sids(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                POLICY_HND *pol, uint32 *enum_ctx, uint32 pref_max_length, 
                                uint32 *num_sids, DOM_SID **sids)
{
      prs_struct qbuf, rbuf;
      LSA_Q_ENUM_ACCOUNTS q;
      LSA_R_ENUM_ACCOUNTS r;
      NTSTATUS result;
      int i;

      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);

      /* Marshall data and send request */

        init_lsa_q_enum_accounts(&q, pol, *enum_ctx, pref_max_length);

      if (!lsa_io_q_enum_accounts("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_ENUM_ACCOUNTS, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_enum_accounts("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      result = r.status;

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      if (r.sids.num_entries==0)
            goto done;

      /* Return output parameters */

      *sids = (DOM_SID *)talloc(mem_ctx, sizeof(DOM_SID) * r.sids.num_entries);
      if (!*sids) {
            DEBUG(0, ("(cli_lsa_enum_sids): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Copy across names and sids */

      for (i = 0; i < r.sids.num_entries; i++) {
            sid_copy(&(*sids)[i], &r.sids.sid[i].sid);
      }

      *num_sids= r.sids.num_entries;
      *enum_ctx = r.enum_context;

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Open a LSA user handle
 *
 * @param cli Handle on an initialised SMB connection */

00840 NTSTATUS cli_lsa_open_account(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                             POLICY_HND *dom_pol, DOM_SID *sid, uint32 des_access, 
                       POLICY_HND *user_pol)
{
      prs_struct qbuf, rbuf;
      LSA_Q_OPENACCOUNT q;
      LSA_R_OPENACCOUNT r;
      NTSTATUS result;

      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_lsa_q_open_account(&q, dom_pol, sid, des_access);

      /* Marshall data and send request */

      if (!lsa_io_q_open_account("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_OPENACCOUNT, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_open_account("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Return output parameters */

      if (NT_STATUS_IS_OK(result = r.status)) {
            *user_pol = r.pol;
      }

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Enumerate user privileges
 *
 * @param cli Handle on an initialised SMB connection */

00893 NTSTATUS cli_lsa_enum_privsaccount(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                             POLICY_HND *pol, uint32 *count, LUID_ATTR **set)
{
      prs_struct qbuf, rbuf;
      LSA_Q_ENUMPRIVSACCOUNT q;
      LSA_R_ENUMPRIVSACCOUNT r;
      NTSTATUS result;
      int i;

      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_lsa_q_enum_privsaccount(&q, pol);

      /* Marshall data and send request */

      if (!lsa_io_q_enum_privsaccount("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_ENUMPRIVSACCOUNT, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_enum_privsaccount("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Return output parameters */

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      if (r.count == 0)
            goto done;

      if (!((*set = (LUID_ATTR *)talloc(mem_ctx, sizeof(LUID_ATTR) * r.count)))) {
            DEBUG(0, ("(cli_lsa_enum_privsaccount): out of memory\n"));
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      for (i=0; i<r.count; i++) {
            (*set)[i].luid.low = r.set.set[i].luid.low;
            (*set)[i].luid.high = r.set.set[i].luid.high;
            (*set)[i].attr = r.set.set[i].attr;
      }

      *count=r.count;
 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Get a privilege value given its name */

00960 NTSTATUS cli_lsa_lookupprivvalue(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                        POLICY_HND *pol, char *name, LUID *luid)
{
      prs_struct qbuf, rbuf;
      LSA_Q_LOOKUPPRIVVALUE q;
      LSA_R_LOOKUPPRIVVALUE r;
      NTSTATUS result;

      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);

      /* Marshall data and send request */

      init_lsa_q_lookupprivvalue(&q, pol, name);

      if (!lsa_io_q_lookupprivvalue("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_LOOKUPPRIVVALUE, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_lookupprivvalue("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      /* Return output parameters */

      (*luid).low=r.luid.low;
      (*luid).high=r.luid.high;

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Query LSA security object */

01011 NTSTATUS cli_lsa_query_secobj(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                        POLICY_HND *pol, uint32 sec_info, 
                        SEC_DESC_BUF **psdb)
{
      prs_struct qbuf, rbuf;
      LSA_Q_QUERY_SEC_OBJ q;
      LSA_R_QUERY_SEC_OBJ r;
      NTSTATUS result;

      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);

      /* Marshall data and send request */

      init_q_query_sec_obj(&q, pol, sec_info);

      if (!lsa_io_q_query_sec_obj("", &q, &qbuf, 0) ||
          !rpc_api_pipe_req(cli, LSA_QUERYSECOBJ, &qbuf, &rbuf)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      /* Unmarshall response */

      if (!lsa_io_r_query_sec_obj("", &r, &rbuf, 0)) {
            result = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      if (!NT_STATUS_IS_OK(result = r.status)) {
            goto done;
      }

      /* Return output parameters */

      if (psdb)
            *psdb = r.buf;

 done:
      prs_mem_free(&qbuf);
      prs_mem_free(&rbuf);

      return result;
}

/** Fetch a DOMAIN sid. Does complete cli setup / teardown anonymously. */

01063 BOOL fetch_domain_sid( char *domain, char *remote_machine, DOM_SID *psid)
{
      extern pstring global_myname;
      struct cli_state cli;
      NTSTATUS result;
      POLICY_HND lsa_pol;
      BOOL ret = False;
 
      ZERO_STRUCT(cli);
      if(cli_initialise(&cli) == False) {
            DEBUG(0,("fetch_domain_sid: unable to initialize client connection.\n"));
            return False;
      }
 
      if(!resolve_name( remote_machine, &cli.dest_ip, 0x20)) {
            DEBUG(0,("fetch_domain_sid: Can't resolve address for %s\n", remote_machine));
            goto done;
      }
 
      if (!cli_connect(&cli, remote_machine, &cli.dest_ip)) {
            DEBUG(0,("fetch_domain_sid: unable to connect to SMB server on \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
            goto done;
      }

      if (!attempt_netbios_session_request(&cli, global_myname, remote_machine, &cli.dest_ip)) {
            DEBUG(0,("fetch_domain_sid: machine %s rejected the NetBIOS session request.\n", 
                  remote_machine));
            goto done;
      }
 
      cli.protocol = PROTOCOL_NT1;
 
      if (!cli_negprot(&cli)) {
            DEBUG(0,("fetch_domain_sid: machine %s rejected the negotiate protocol. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
            goto done;
      }
 
      if (cli.protocol != PROTOCOL_NT1) {
            DEBUG(0,("fetch_domain_sid: machine %s didn't negotiate NT protocol.\n",
                  remote_machine));
            goto done;
      }
 
      /*
       * Do an anonymous session setup.
       */
 
      if (!cli_session_setup(&cli, "", "", 0, "", 0, "")) {
            DEBUG(0,("fetch_domain_sid: machine %s rejected the session setup. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
            goto done;
      }
 
      if (!(cli.sec_mode & 1)) {
            DEBUG(0,("fetch_domain_sid: machine %s isn't in user level security mode\n",
                  remote_machine));
            goto done;
      }

      if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) {
            DEBUG(0,("fetch_domain_sid: machine %s rejected the tconX on the IPC$ share. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
            goto done;
      }

      /* Fetch domain sid */
 
      if (!cli_nt_session_open(&cli, PIPE_LSARPC)) {
            DEBUG(0, ("fetch_domain_sid: Error connecting to SAM pipe\n"));
            goto done;
      }
 
      result = cli_lsa_open_policy(&cli, cli.mem_ctx, True, SEC_RIGHTS_QUERY_VALUE, &lsa_pol);
      if (!NT_STATUS_IS_OK(result)) {
            DEBUG(0, ("fetch_domain_sid: Error opening lsa policy handle. %s\n",
                  get_nt_error_msg(result) ));
            goto done;
      }
 
      result = cli_lsa_query_info_policy(&cli, cli.mem_ctx, &lsa_pol, 5, domain, psid);
      if (!NT_STATUS_IS_OK(result)) {
            DEBUG(0, ("fetch_domain_sid: Error querying lsa policy handle. %s\n",
                  get_nt_error_msg(result) ));
            goto done;
      }
 
      ret = True;

  done:

      cli_shutdown(&cli);
      return ret;
}
/** @} **/

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