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net_rpc_samsync.c

/* 
   Unix SMB/CIFS implementation.
   dump the remote SAM using rpc samsync operations

   Copyright (C) Andrew Tridgell 2002
   Copyright (C) Tim Potter 2001,2002
   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
   Modified by Volker Lendecke 2002
   Copyright (C) Jeremy Allison 2005.

   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 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "utils/net.h"

/* uid's and gid's for writing deltas to ldif */
static uint32 ldif_gid = 999;
static uint32 ldif_uid = 999;
/* Keep track of ldap initialization */
static int init_ldap = 1;

static void display_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *g)
{
      int i;
      d_printf("Group mem %u: ", rid);
      for (i=0;i<g->num_members;i++) {
            d_printf("%u ", g->rids[i]);
      }
      d_printf("\n");
}

static void display_alias_info(uint32 rid, SAM_ALIAS_INFO *a)
{
      d_printf("Alias '%s' ", unistr2_static(&a->uni_als_name));
      d_printf("desc='%s' rid=%u\n", unistr2_static(&a->uni_als_desc), a->als_rid);
}

static void display_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *a)
{
      int i;
      d_printf("Alias rid %u: ", rid);
      for (i=0;i<a->num_members;i++) {
            d_printf("%s ", sid_string_tos(&a->sids[i].sid));
      }
      d_printf("\n");
}

static void display_account_info(uint32 rid, SAM_ACCOUNT_INFO *a)
{
      fstring hex_nt_passwd, hex_lm_passwd;
      uchar lm_passwd[16], nt_passwd[16];
      static uchar zero_buf[16];

      /* Decode hashes from password hash (if they are not NULL) */
      
      if (memcmp(a->pass.buf_lm_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0);
            pdb_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info);
      } else {
            pdb_sethexpwd(hex_lm_passwd, NULL, 0);
      }

      if (memcmp(a->pass.buf_nt_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0);
            pdb_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info);
      } else {
            pdb_sethexpwd(hex_nt_passwd, NULL, 0);
      }
      
      printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name),
             a->user_rid, hex_lm_passwd, hex_nt_passwd,
             pdb_encode_acct_ctrl(a->acb_info, NEW_PW_FORMAT_SPACE_PADDED_LEN));
}

static time_t uint64s_nt_time_to_unix_abs(const uint64 *src)
{
      NTTIME nttime;
      nttime = *src;
      return nt_time_to_unix_abs(&nttime);
}

static void display_domain_info(SAM_DOMAIN_INFO *a)
{
      time_t u_logout;

      u_logout = uint64s_nt_time_to_unix_abs(&a->force_logoff);

      d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name));

      d_printf("Minimal Password Length: %d\n", a->min_pwd_len);
      d_printf("Password History Length: %d\n", a->pwd_history_len);

      d_printf("Force Logoff: %d\n", (int)u_logout);

      d_printf("Max Password Age: %s\n", display_time(a->max_pwd_age));
      d_printf("Min Password Age: %s\n", display_time(a->min_pwd_age));

      d_printf("Lockout Time: %s\n", display_time(a->account_lockout.lockout_duration));
      d_printf("Lockout Reset Time: %s\n", display_time(a->account_lockout.reset_count));

      d_printf("Bad Attempt Lockout: %d\n", a->account_lockout.bad_attempt_lockout);
      d_printf("User must logon to change password: %d\n", a->logon_chgpass);
}

static void display_group_info(uint32 rid, SAM_GROUP_INFO *a)
{
      d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name));
      d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid);
}

static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta)
{
      switch (hdr_delta->type) {
      case SAM_DELTA_ACCOUNT_INFO:
            display_account_info(hdr_delta->target_rid, &delta->account_info);
            break;
      case SAM_DELTA_GROUP_MEM:
            display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info);
            break;
      case SAM_DELTA_ALIAS_INFO:
            display_alias_info(hdr_delta->target_rid, &delta->alias_info);
            break;
      case SAM_DELTA_ALIAS_MEM:
            display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info);
            break;
      case SAM_DELTA_DOMAIN_INFO:
            display_domain_info(&delta->domain_info);
            break;
      case SAM_DELTA_GROUP_INFO:
            display_group_info(hdr_delta->target_rid, &delta->group_info);
            break;
            /* The following types are recognised but not handled */
      case SAM_DELTA_RENAME_GROUP:
            d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
            break;
      case SAM_DELTA_RENAME_USER:
            d_printf("SAM_DELTA_RENAME_USER not handled\n");
            break;
      case SAM_DELTA_RENAME_ALIAS:
            d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
            break;
      case SAM_DELTA_POLICY_INFO:
            d_printf("SAM_DELTA_POLICY_INFO not handled\n");
            break;
      case SAM_DELTA_TRUST_DOMS:
            d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
            break;
      case SAM_DELTA_PRIVS_INFO:
            d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
            break;
      case SAM_DELTA_SECRET_INFO:
            d_printf("SAM_DELTA_SECRET_INFO not handled\n");
            break;
      case SAM_DELTA_DELETE_GROUP:
            d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
            break;
      case SAM_DELTA_DELETE_USER:
            d_printf("SAM_DELTA_DELETE_USER not handled\n");
            break;
      case SAM_DELTA_MODIFIED_COUNT:
            d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
            break;
      default:
            d_printf("Unknown delta record type %d\n", hdr_delta->type);
            break;
      }
}

static void dump_database(struct rpc_pipe_client *pipe_hnd, uint32 db_type)
{
      uint32 sync_context = 0;
        NTSTATUS result;
      int i;
        TALLOC_CTX *mem_ctx;
        SAM_DELTA_HDR *hdr_deltas;
        SAM_DELTA_CTR *deltas;
        uint32 num_deltas;

      if (!(mem_ctx = talloc_init("dump_database"))) {
            return;
      }

      switch( db_type ) {
      case SAM_DATABASE_DOMAIN:
            d_printf("Dumping DOMAIN database\n");
            break;
      case SAM_DATABASE_BUILTIN:
            d_printf("Dumping BUILTIN database\n");
            break;
      case SAM_DATABASE_PRIVS:
            d_printf("Dumping PRIVS databases\n");
            break;
      default:
            d_printf("Dumping unknown database type %u\n", db_type );
            break;
      }

      do {
            result = rpccli_netlogon_sam_sync(pipe_hnd, mem_ctx, db_type,
                                     sync_context,
                                     &num_deltas, &hdr_deltas, &deltas);
            if (!NT_STATUS_IS_OK(result))
                  break;

                for (i = 0; i < num_deltas; i++) {
                  display_sam_entry(&hdr_deltas[i], &deltas[i]);
                }
            sync_context += 1;
      } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));

      talloc_destroy(mem_ctx);
}

/* dump sam database via samsync rpc calls */
NTSTATUS rpc_samdump_internals(const DOM_SID *domain_sid, 
                        const char *domain_name, 
                        struct cli_state *cli,
                        struct rpc_pipe_client *pipe_hnd,
                        TALLOC_CTX *mem_ctx, 
                        int argc,
                        const char **argv) 
{
#if 0
      /* net_rpc.c now always tries to create an schannel pipe.. */

      NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
      uchar trust_password[16];
      uint32 neg_flags = NETLOGON_NEG_SELECT_AUTH2_FLAGS;
      uint32 sec_channel_type = 0;

      if (!secrets_fetch_trust_account_password(domain_name,
                                      trust_password,
                                      NULL, &sec_channel_type)) {
            DEBUG(0,("Could not fetch trust account password\n"));
            goto fail;
      }

      nt_status = rpccli_netlogon_setup_creds(pipe_hnd,
                                    cli->desthost,
                                    domain_name,
                                                global_myname(),
                                                trust_password,
                                                sec_channel_type,
                                                &neg_flags);

      if (!NT_STATUS_IS_OK(nt_status)) {
            DEBUG(0,("Error connecting to NETLOGON pipe\n"));
            goto fail;
      }
#endif

      dump_database(pipe_hnd, SAM_DATABASE_DOMAIN);
      dump_database(pipe_hnd, SAM_DATABASE_BUILTIN);
      dump_database(pipe_hnd, SAM_DATABASE_PRIVS);

      return NT_STATUS_OK;
}

/* Convert a struct samu_DELTA to a struct samu. */
#define STRING_CHANGED (old_string && !new_string) ||\
                (!old_string && new_string) ||\
            (old_string && new_string && (strcmp(old_string, new_string) != 0))

#define STRING_CHANGED_NC(s1,s2) ((s1) && !(s2)) ||\
                (!(s1) && (s2)) ||\
            ((s1) && (s2) && (strcmp((s1), (s2)) != 0))

static NTSTATUS sam_account_from_delta(struct samu *account, SAM_ACCOUNT_INFO *delta)
{
      const char *old_string, *new_string;
      time_t unix_time, stored_time;
      uchar lm_passwd[16], nt_passwd[16];
      static uchar zero_buf[16];

      /* Username, fullname, home dir, dir drive, logon script, acct
         desc, workstations, profile. */

      if (delta->hdr_acct_name.buffer) {
            old_string = pdb_get_nt_username(account);
            new_string = unistr2_static(&delta->uni_acct_name);

            if (STRING_CHANGED) {
                  pdb_set_nt_username(account, new_string, PDB_CHANGED);
              
            }
         
            /* Unix username is the same - for sanity */
            old_string = pdb_get_username( account );
            if (STRING_CHANGED) {
                  pdb_set_username(account, new_string, PDB_CHANGED);
            }
      }

      if (delta->hdr_full_name.buffer) {
            old_string = pdb_get_fullname(account);
            new_string = unistr2_static(&delta->uni_full_name);

            if (STRING_CHANGED)
                  pdb_set_fullname(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_home_dir.buffer) {
            old_string = pdb_get_homedir(account);
            new_string = unistr2_static(&delta->uni_home_dir);

            if (STRING_CHANGED)
                  pdb_set_homedir(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_dir_drive.buffer) {
            old_string = pdb_get_dir_drive(account);
            new_string = unistr2_static(&delta->uni_dir_drive);

            if (STRING_CHANGED)
                  pdb_set_dir_drive(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_logon_script.buffer) {
            old_string = pdb_get_logon_script(account);
            new_string = unistr2_static(&delta->uni_logon_script);

            if (STRING_CHANGED)
                  pdb_set_logon_script(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_acct_desc.buffer) {
            old_string = pdb_get_acct_desc(account);
            new_string = unistr2_static(&delta->uni_acct_desc);

            if (STRING_CHANGED)
                  pdb_set_acct_desc(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_workstations.buffer) {
            old_string = pdb_get_workstations(account);
            new_string = unistr2_static(&delta->uni_workstations);

            if (STRING_CHANGED)
                  pdb_set_workstations(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_profile.buffer) {
            old_string = pdb_get_profile_path(account);
            new_string = unistr2_static(&delta->uni_profile);

            if (STRING_CHANGED)
                  pdb_set_profile_path(account, new_string, PDB_CHANGED);
      }

      if (delta->hdr_parameters.buffer) {
            DATA_BLOB mung;
            char *newstr;
            old_string = pdb_get_munged_dial(account);
            mung.length = delta->hdr_parameters.uni_str_len;
            mung.data = (uint8 *) delta->uni_parameters.buffer;
            newstr = (mung.length == 0) ? NULL :
                  base64_encode_data_blob(talloc_tos(), mung);

            if (STRING_CHANGED_NC(old_string, newstr))
                  pdb_set_munged_dial(account, newstr, PDB_CHANGED);
            TALLOC_FREE(newstr);
      }

      /* User and group sid */
      if (pdb_get_user_rid(account) != delta->user_rid)
            pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED);
      if (pdb_get_group_rid(account) != delta->group_rid)
            pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED);

      /* Logon and password information */
      if (!nt_time_is_zero(&delta->logon_time)) {
            unix_time = nt_time_to_unix(delta->logon_time);
            stored_time = pdb_get_logon_time(account);
            if (stored_time != unix_time)
                  pdb_set_logon_time(account, unix_time, PDB_CHANGED);
      }

      if (!nt_time_is_zero(&delta->logoff_time)) {
            unix_time = nt_time_to_unix(delta->logoff_time);
            stored_time = pdb_get_logoff_time(account);
            if (stored_time != unix_time)
                  pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
      }

      /* Logon Divs */
      if (pdb_get_logon_divs(account) != delta->logon_divs)
            pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED);

      /* Max Logon Hours */
      if (delta->unknown1 != pdb_get_unknown_6(account)) {
            pdb_set_unknown_6(account, delta->unknown1, PDB_CHANGED);
      }

      /* Logon Hours Len */
      if (delta->buf_logon_hrs.buf_len != pdb_get_hours_len(account)) {
            pdb_set_hours_len(account, delta->buf_logon_hrs.buf_len, PDB_CHANGED);
      }

      /* Logon Hours */
      if (delta->buf_logon_hrs.buffer) {
            char oldstr[44], newstr[44];
            pdb_sethexhours(oldstr, pdb_get_hours(account));
            pdb_sethexhours(newstr, delta->buf_logon_hrs.buffer);
            if (!strequal(oldstr, newstr))
                  pdb_set_hours(account, (const uint8 *)delta->buf_logon_hrs.buffer, PDB_CHANGED);
      }

      if (pdb_get_bad_password_count(account) != delta->bad_pwd_count)
            pdb_set_bad_password_count(account, delta->bad_pwd_count, PDB_CHANGED);

      if (pdb_get_logon_count(account) != delta->logon_count)
            pdb_set_logon_count(account, delta->logon_count, PDB_CHANGED);

      if (!nt_time_is_zero(&delta->pwd_last_set_time)) {
            unix_time = nt_time_to_unix(delta->pwd_last_set_time);
            stored_time = pdb_get_pass_last_set_time(account);
            if (stored_time != unix_time)
                  pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
      } else {
            /* no last set time, make it now */
            pdb_set_pass_last_set_time(account, time(NULL), PDB_CHANGED);
      }

#if 0
/*    No kickoff time in the delta? */
      if (!nt_time_is_zero(&delta->kickoff_time)) {
            unix_time = nt_time_to_unix(&delta->kickoff_time);
            stored_time = pdb_get_kickoff_time(account);
            if (stored_time != unix_time)
                  pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
      }
#endif

      /* Decode hashes from password hash 
         Note that win2000 may send us all zeros for the hashes if it doesn't 
         think this channel is secure enough - don't set the passwords at all
         in that case
      */
      if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0);
            pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
      }

      if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0);
            pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
      }

      /* TODO: account expiry time */

      pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED);

      pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);

      return NT_STATUS_OK;
}

static NTSTATUS fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta)
{
      NTSTATUS nt_ret = NT_STATUS_UNSUCCESSFUL;
      fstring account;
      char *add_script = NULL;
      struct samu *sam_account=NULL;
      GROUP_MAP map;
      struct group *grp;
      DOM_SID user_sid;
      DOM_SID group_sid;
      struct passwd *passwd;
      fstring sid_string;

      fstrcpy(account, unistr2_static(&delta->uni_acct_name));
      d_printf("Creating account: %s\n", account);

      if ( !(sam_account = samu_new( NULL )) ) {
            return NT_STATUS_NO_MEMORY;
      }

      if (!(passwd = Get_Pwnam_alloc(sam_account, account))) {
            /* Create appropriate user */
            if (delta->acb_info & ACB_NORMAL) {
                  add_script = talloc_strdup(sam_account,
                              lp_adduser_script());
            } else if ( (delta->acb_info & ACB_WSTRUST) ||
                      (delta->acb_info & ACB_SVRTRUST) ||
                      (delta->acb_info & ACB_DOMTRUST) ) {
                  add_script = talloc_strdup(sam_account,
                              lp_addmachine_script());
            } else {
                  DEBUG(1, ("Unknown user type: %s\n",
                          pdb_encode_acct_ctrl(delta->acb_info, NEW_PW_FORMAT_SPACE_PADDED_LEN)));
                  nt_ret = NT_STATUS_UNSUCCESSFUL;
                  goto done;
            }
            if (!add_script) {
                  nt_ret = NT_STATUS_NO_MEMORY;
                  goto done;
            }
            if (*add_script) {
                  int add_ret;
                  add_script = talloc_all_string_sub(sam_account,
                              add_script,
                              "%u",
                              account);
                  if (!add_script) {
                        nt_ret = NT_STATUS_NO_MEMORY;
                        goto done;
                  }
                  add_ret = smbrun(add_script,NULL);
                  DEBUG(add_ret ? 0 : 1,("fetch_account: Running the command `%s' "
                         "gave %d\n", add_script, add_ret));
                  if (add_ret == 0) {
                        smb_nscd_flush_user_cache();
                  }
            }

            /* try and find the possible unix account again */
            if ( !(passwd = Get_Pwnam_alloc(sam_account, account)) ) {
                  d_fprintf(stderr, "Could not create posix account info for '%s'\n", account);
                  nt_ret = NT_STATUS_NO_SUCH_USER;
                  goto done;
            }
      }

      sid_copy(&user_sid, get_global_sam_sid());
      sid_append_rid(&user_sid, delta->user_rid);

      DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n",
              sid_to_fstring(sid_string, &user_sid), account));
      if (!pdb_getsampwsid(sam_account, &user_sid)) {
            sam_account_from_delta(sam_account, delta);
            DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n", 
                    sid_to_fstring(sid_string, &user_sid),
                    pdb_get_username(sam_account)));
            if (!NT_STATUS_IS_OK(pdb_add_sam_account(sam_account))) {
                  DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
                          account));
                  return NT_STATUS_ACCESS_DENIED; 
            }
      } else {
            sam_account_from_delta(sam_account, delta);
            DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n", 
                    sid_to_fstring(sid_string, &user_sid),
                    pdb_get_username(sam_account)));
            if (!NT_STATUS_IS_OK(pdb_update_sam_account(sam_account))) {
                  DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
                          account));
                  TALLOC_FREE(sam_account);
                  return NT_STATUS_ACCESS_DENIED; 
            }
      }

      if (pdb_get_group_sid(sam_account) == NULL) {
            return NT_STATUS_UNSUCCESSFUL;
      }

      group_sid = *pdb_get_group_sid(sam_account);

      if (!pdb_getgrsid(&map, group_sid)) {
            DEBUG(0, ("Primary group of %s has no mapping!\n",
                    pdb_get_username(sam_account)));
      } else {
            if (map.gid != passwd->pw_gid) {
                  if (!(grp = getgrgid(map.gid))) {
                        DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n", 
                                (unsigned long)map.gid, pdb_get_username(sam_account), sid_string_tos(&group_sid)));
                  } else {
                        smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
                  }
            }
      }

      if ( !passwd ) {
            DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n", 
                  pdb_get_username(sam_account)));
      }

 done:
      TALLOC_FREE(sam_account);
      return nt_ret;
}

static NTSTATUS fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta)
{
      fstring name;
      fstring comment;
      struct group *grp = NULL;
      DOM_SID group_sid;
      fstring sid_string;
      GROUP_MAP map;
      bool insert = True;

      unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name));
      unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment));

      /* add the group to the mapping table */
      sid_copy(&group_sid, get_global_sam_sid());
      sid_append_rid(&group_sid, rid);
      sid_to_fstring(sid_string, &group_sid);

      if (pdb_getgrsid(&map, group_sid)) {
            if ( map.gid != -1 )
                  grp = getgrgid(map.gid);
            insert = False;
      }

      if (grp == NULL) {
            gid_t gid;

            /* No group found from mapping, find it from its name. */
            if ((grp = getgrnam(name)) == NULL) {
            
                  /* No appropriate group found, create one */
                  
                  d_printf("Creating unix group: '%s'\n", name);
                  
                  if (smb_create_group(name, &gid) != 0)
                        return NT_STATUS_ACCESS_DENIED;
                        
                  if ((grp = getgrnam(name)) == NULL)
                        return NT_STATUS_ACCESS_DENIED;
            }
      }

      map.gid = grp->gr_gid;
      map.sid = group_sid;
      map.sid_name_use = SID_NAME_DOM_GRP;
      fstrcpy(map.nt_name, name);
      if (delta->hdr_grp_desc.buffer) {
            fstrcpy(map.comment, comment);
      } else {
            fstrcpy(map.comment, "");
      }

      if (insert)
            pdb_add_group_mapping_entry(&map);
      else
            pdb_update_group_mapping_entry(&map);

      return NT_STATUS_OK;
}

static NTSTATUS fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta)
{
      int i;
      TALLOC_CTX *t = NULL;
      char **nt_members = NULL;
      char **unix_members;
      DOM_SID group_sid;
      GROUP_MAP map;
      struct group *grp;

      if (delta->num_members == 0) {
            return NT_STATUS_OK;
      }

      sid_copy(&group_sid, get_global_sam_sid());
      sid_append_rid(&group_sid, rid);

      if (!get_domain_group_from_sid(group_sid, &map)) {
            DEBUG(0, ("Could not find global group %d\n", rid));
            return NT_STATUS_NO_SUCH_GROUP;
      }

      if (!(grp = getgrgid(map.gid))) {
            DEBUG(0, ("Could not find unix group %lu\n", (unsigned long)map.gid));
            return NT_STATUS_NO_SUCH_GROUP;
      }

      d_printf("Group members of %s: ", grp->gr_name);

      if (!(t = talloc_init("fetch_group_mem_info"))) {
            DEBUG(0, ("could not talloc_init\n"));
            return NT_STATUS_NO_MEMORY;
      }

      if (delta->num_members) {
            if ((nt_members = TALLOC_ZERO_ARRAY(t, char *, delta->num_members)) == NULL) {
                  DEBUG(0, ("talloc failed\n"));
                  talloc_free(t);
                  return NT_STATUS_NO_MEMORY;
            }
      } else {
            nt_members = NULL;
      }

      for (i=0; i<delta->num_members; i++) {
            struct samu *member = NULL;
            DOM_SID member_sid;

            if ( !(member = samu_new(t)) ) {
                  talloc_destroy(t);
                  return NT_STATUS_NO_MEMORY;
            }

            sid_copy(&member_sid, get_global_sam_sid());
            sid_append_rid(&member_sid, delta->rids[i]);

            if (!pdb_getsampwsid(member, &member_sid)) {
                  DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
                          delta->rids[i], sid_string_tos(&member_sid), grp->gr_name));
                  TALLOC_FREE(member);
                  continue;
            }

            if (pdb_get_group_rid(member) == rid) {
                  d_printf("%s(primary),", pdb_get_username(member));
                  TALLOC_FREE(member);
                  continue;
            }
            
            d_printf("%s,", pdb_get_username(member));
            nt_members[i] = talloc_strdup(t, pdb_get_username(member));
            TALLOC_FREE(member);
      }

      d_printf("\n");

      unix_members = grp->gr_mem;

      while (*unix_members) {
            bool is_nt_member = False;
            for (i=0; i<delta->num_members; i++) {
                  if (nt_members[i] == NULL) {
                        /* This was a primary group */
                        continue;
                  }

                  if (strcmp(*unix_members, nt_members[i]) == 0) {
                        is_nt_member = True;
                        break;
                  }
            }
            if (!is_nt_member) {
                  /* We look at a unix group member that is not
                     an nt group member. So, remove it. NT is
                     boss here. */
                  smb_delete_user_group(grp->gr_name, *unix_members);
            }
            unix_members += 1;
      }

      for (i=0; i<delta->num_members; i++) {
            bool is_unix_member = False;

            if (nt_members[i] == NULL) {
                  /* This was the primary group */
                  continue;
            }

            unix_members = grp->gr_mem;

            while (*unix_members) {
                  if (strcmp(*unix_members, nt_members[i]) == 0) {
                        is_unix_member = True;
                        break;
                  }
                  unix_members += 1;
            }

            if (!is_unix_member) {
                  /* We look at a nt group member that is not a
                           unix group member currently. So, add the nt
                           group member. */
                  smb_add_user_group(grp->gr_name, nt_members[i]);
            }
      }
      
      talloc_destroy(t);
      return NT_STATUS_OK;
}

static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta,
                         DOM_SID dom_sid)
{
      fstring name;
      fstring comment;
      struct group *grp = NULL;
      DOM_SID alias_sid;
      fstring sid_string;
      GROUP_MAP map;
      bool insert = True;

      unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name));
      unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment));

      /* Find out whether the group is already mapped */
      sid_copy(&alias_sid, &dom_sid);
      sid_append_rid(&alias_sid, rid);
      sid_to_fstring(sid_string, &alias_sid);

      if (pdb_getgrsid(&map, alias_sid)) {
            grp = getgrgid(map.gid);
            insert = False;
      }

      if (grp == NULL) {
            gid_t gid;

            /* No group found from mapping, find it from its name. */
            if ((grp = getgrnam(name)) == NULL) {
                  /* No appropriate group found, create one */
                  d_printf("Creating unix group: '%s'\n", name);
                  if (smb_create_group(name, &gid) != 0)
                        return NT_STATUS_ACCESS_DENIED;
                  if ((grp = getgrgid(gid)) == NULL)
                        return NT_STATUS_ACCESS_DENIED;
            }
      }

      map.gid = grp->gr_gid;
      map.sid = alias_sid;

      if (sid_equal(&dom_sid, &global_sid_Builtin))
            map.sid_name_use = SID_NAME_WKN_GRP;
      else
            map.sid_name_use = SID_NAME_ALIAS;

      fstrcpy(map.nt_name, name);
      fstrcpy(map.comment, comment);

      if (insert)
            pdb_add_group_mapping_entry(&map);
      else
            pdb_update_group_mapping_entry(&map);

      return NT_STATUS_OK;
}

static NTSTATUS fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid)
{
      return NT_STATUS_OK;
}

static NTSTATUS fetch_domain_info(uint32 rid, SAM_DOMAIN_INFO *delta)
{
      time_t u_max_age, u_min_age, u_logout, u_lockoutreset, u_lockouttime;
      NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
      char *domname;

      u_max_age = uint64s_nt_time_to_unix_abs(&delta->max_pwd_age);
      u_min_age = uint64s_nt_time_to_unix_abs(&delta->min_pwd_age);
      u_logout = uint64s_nt_time_to_unix_abs(&delta->force_logoff);
      u_lockoutreset = uint64s_nt_time_to_unix_abs(&delta->account_lockout.reset_count);
      u_lockouttime = uint64s_nt_time_to_unix_abs(&delta->account_lockout.lockout_duration);

      domname = unistr2_to_ascii_talloc(talloc_tos(), &delta->uni_dom_name);
      if (!domname) {
            return NT_STATUS_NO_MEMORY;
      }

      /* we don't handle BUILTIN account policies */
      if (!strequal(domname, get_global_sam_name())) {
            printf("skipping SAM_DOMAIN_INFO delta for '%s' (is not my domain)\n", domname);
            return NT_STATUS_OK;
      }


      if (!pdb_set_account_policy(AP_PASSWORD_HISTORY, delta->pwd_history_len))
            return nt_status;

      if (!pdb_set_account_policy(AP_MIN_PASSWORD_LEN, delta->min_pwd_len))
            return nt_status;

      if (!pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (uint32)u_max_age))
            return nt_status;

      if (!pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (uint32)u_min_age))
            return nt_status;

      if (!pdb_set_account_policy(AP_TIME_TO_LOGOUT, (uint32)u_logout))
            return nt_status;

      if (!pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, delta->account_lockout.bad_attempt_lockout))
            return nt_status;

      if (!pdb_set_account_policy(AP_RESET_COUNT_TIME, (uint32)u_lockoutreset/60))
            return nt_status;

      if (u_lockouttime != -1)
            u_lockouttime /= 60;

      if (!pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (uint32)u_lockouttime))
            return nt_status;

      if (!pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, delta->logon_chgpass))
            return nt_status;

      return NT_STATUS_OK;
}


static void fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta,
            DOM_SID dom_sid)
{
      switch(hdr_delta->type) {
      case SAM_DELTA_ACCOUNT_INFO:
            fetch_account_info(hdr_delta->target_rid,
                           &delta->account_info);
            break;
      case SAM_DELTA_GROUP_INFO:
            fetch_group_info(hdr_delta->target_rid,
                         &delta->group_info);
            break;
      case SAM_DELTA_GROUP_MEM:
            fetch_group_mem_info(hdr_delta->target_rid,
                             &delta->grp_mem_info);
            break;
      case SAM_DELTA_ALIAS_INFO:
            fetch_alias_info(hdr_delta->target_rid,
                         &delta->alias_info, dom_sid);
            break;
      case SAM_DELTA_ALIAS_MEM:
            fetch_alias_mem(hdr_delta->target_rid,
                        &delta->als_mem_info, dom_sid);
            break;
      case SAM_DELTA_DOMAIN_INFO:
            fetch_domain_info(hdr_delta->target_rid,
                        &delta->domain_info);
            break;
      /* The following types are recognised but not handled */
      case SAM_DELTA_RENAME_GROUP:
            d_printf("SAM_DELTA_RENAME_GROUP not handled\n");
            break;
      case SAM_DELTA_RENAME_USER:
            d_printf("SAM_DELTA_RENAME_USER not handled\n");
            break;
      case SAM_DELTA_RENAME_ALIAS:
            d_printf("SAM_DELTA_RENAME_ALIAS not handled\n");
            break;
      case SAM_DELTA_POLICY_INFO:
            d_printf("SAM_DELTA_POLICY_INFO not handled\n");
            break;
      case SAM_DELTA_TRUST_DOMS:
            d_printf("SAM_DELTA_TRUST_DOMS not handled\n");
            break;
      case SAM_DELTA_PRIVS_INFO:
            d_printf("SAM_DELTA_PRIVS_INFO not handled\n");
            break;
      case SAM_DELTA_SECRET_INFO:
            d_printf("SAM_DELTA_SECRET_INFO not handled\n");
            break;
      case SAM_DELTA_DELETE_GROUP:
            d_printf("SAM_DELTA_DELETE_GROUP not handled\n");
            break;
      case SAM_DELTA_DELETE_USER:
            d_printf("SAM_DELTA_DELETE_USER not handled\n");
            break;
      case SAM_DELTA_MODIFIED_COUNT:
            d_printf("SAM_DELTA_MODIFIED_COUNT not handled\n");
            break;
      default:
            d_printf("Unknown delta record type %d\n", hdr_delta->type);
            break;
      }
}

static NTSTATUS fetch_database(struct rpc_pipe_client *pipe_hnd, uint32 db_type, DOM_SID dom_sid)
{
      uint32 sync_context = 0;
        NTSTATUS result;
      int i;
        TALLOC_CTX *mem_ctx;
        SAM_DELTA_HDR *hdr_deltas;
        SAM_DELTA_CTR *deltas;
        uint32 num_deltas;

      if (!(mem_ctx = talloc_init("fetch_database")))
            return NT_STATUS_NO_MEMORY;

      switch( db_type ) {
      case SAM_DATABASE_DOMAIN:
            d_printf("Fetching DOMAIN database\n");
            break;
      case SAM_DATABASE_BUILTIN:
            d_printf("Fetching BUILTIN database\n");
            break;
      case SAM_DATABASE_PRIVS:
            d_printf("Fetching PRIVS databases\n");
            break;
      default:
            d_printf("Fetching unknown database type %u\n", db_type );
            break;
      }

      do {
            result = rpccli_netlogon_sam_sync(pipe_hnd, mem_ctx,
                                     db_type, sync_context,
                                     &num_deltas,
                                     &hdr_deltas, &deltas);

            if (NT_STATUS_IS_OK(result) ||
                NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
                  for (i = 0; i < num_deltas; i++) {
                        fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid);
                  }
            } else
                  return result;

            sync_context += 1;
      } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));

      talloc_destroy(mem_ctx);

      return result;
}

static NTSTATUS populate_ldap_for_ldif(fstring sid, const char *suffix, const char 
                   *builtin_sid, FILE *add_fd)
{
      const char *user_suffix, *group_suffix, *machine_suffix, *idmap_suffix;
      char *user_attr=NULL, *group_attr=NULL;
      char *suffix_attr;
      int len;

      /* Get the suffix attribute */
      suffix_attr = sstring_sub(suffix, '=', ',');
      if (suffix_attr == NULL) {
            len = strlen(suffix);
            suffix_attr = (char*)SMB_MALLOC(len+1);
            memcpy(suffix_attr, suffix, len);
            suffix_attr[len] = '\0';
      }

      /* Write the base */
      fprintf(add_fd, "# %s\n", suffix);
      fprintf(add_fd, "dn: %s\n", suffix);
      fprintf(add_fd, "objectClass: dcObject\n");
      fprintf(add_fd, "objectClass: organization\n");
      fprintf(add_fd, "o: %s\n", suffix_attr);
      fprintf(add_fd, "dc: %s\n", suffix_attr);
      fprintf(add_fd, "\n");
      fflush(add_fd);

      user_suffix = lp_ldap_user_suffix();
      if (user_suffix == NULL) {
            SAFE_FREE(suffix_attr);
            return NT_STATUS_NO_MEMORY;
      }
      /* If it exists and is distinct from other containers, 
         Write the Users entity */
      if (*user_suffix && strcmp(user_suffix, suffix)) {
            user_attr = sstring_sub(lp_ldap_user_suffix(), '=', ',');
            fprintf(add_fd, "# %s\n", user_suffix);
            fprintf(add_fd, "dn: %s\n", user_suffix);
            fprintf(add_fd, "objectClass: organizationalUnit\n");
            fprintf(add_fd, "ou: %s\n", user_attr);
            fprintf(add_fd, "\n");
            fflush(add_fd);
      }


      group_suffix = lp_ldap_group_suffix();
      if (group_suffix == NULL) {
            SAFE_FREE(suffix_attr);
            SAFE_FREE(user_attr);
            return NT_STATUS_NO_MEMORY;
      }
      /* If it exists and is distinct from other containers, 
         Write the Groups entity */
      if (*group_suffix && strcmp(group_suffix, suffix)) {
            group_attr = sstring_sub(lp_ldap_group_suffix(), '=', ',');
            fprintf(add_fd, "# %s\n", group_suffix);
            fprintf(add_fd, "dn: %s\n", group_suffix);
            fprintf(add_fd, "objectClass: organizationalUnit\n");
            fprintf(add_fd, "ou: %s\n", group_attr);
            fprintf(add_fd, "\n");
            fflush(add_fd);
      }

      /* If it exists and is distinct from other containers, 
         Write the Computers entity */
      machine_suffix = lp_ldap_machine_suffix();
      if (machine_suffix == NULL) {
            SAFE_FREE(suffix_attr);
            SAFE_FREE(user_attr);
            SAFE_FREE(group_attr);
            return NT_STATUS_NO_MEMORY;
      }
      if (*machine_suffix && strcmp(machine_suffix, user_suffix) &&
          strcmp(machine_suffix, suffix)) {
            char *machine_ou = NULL;
            fprintf(add_fd, "# %s\n", machine_suffix);
            fprintf(add_fd, "dn: %s\n", machine_suffix);
            fprintf(add_fd, "objectClass: organizationalUnit\n");
            /* this isn't totally correct as it assumes that
               there _must_ be an ou. just fixing memleak now. jmcd */
            machine_ou = sstring_sub(lp_ldap_machine_suffix(), '=', ',');
            fprintf(add_fd, "ou: %s\n", machine_ou);
            SAFE_FREE(machine_ou);
            fprintf(add_fd, "\n");
            fflush(add_fd);
      }

      /* If it exists and is distinct from other containers, 
         Write the IdMap entity */
      idmap_suffix = lp_ldap_idmap_suffix();
      if (idmap_suffix == NULL) {
            SAFE_FREE(suffix_attr);
            SAFE_FREE(user_attr);
            SAFE_FREE(group_attr);
            return NT_STATUS_NO_MEMORY;
      }
      if (*idmap_suffix &&
          strcmp(idmap_suffix, user_suffix) &&
          strcmp(idmap_suffix, suffix)) {
            char *s;
            fprintf(add_fd, "# %s\n", idmap_suffix);
            fprintf(add_fd, "dn: %s\n", idmap_suffix);
            fprintf(add_fd, "ObjectClass: organizationalUnit\n");
            s = sstring_sub(lp_ldap_idmap_suffix(), '=', ',');
            fprintf(add_fd, "ou: %s\n", s);
            SAFE_FREE(s);
            fprintf(add_fd, "\n");
            fflush(add_fd);
      }

      /* Write the domain entity */
      fprintf(add_fd, "# %s, %s\n", lp_workgroup(), suffix);
      fprintf(add_fd, "dn: sambaDomainName=%s,%s\n", lp_workgroup(),
            suffix);
      fprintf(add_fd, "objectClass: sambaDomain\n");
      fprintf(add_fd, "objectClass: sambaUnixIdPool\n");
      fprintf(add_fd, "sambaDomainName: %s\n", lp_workgroup());
      fprintf(add_fd, "sambaSID: %s\n", sid);
      fprintf(add_fd, "uidNumber: %d\n", ++ldif_uid);
      fprintf(add_fd, "gidNumber: %d\n", ++ldif_gid);
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Domain Admins entity */ 
      fprintf(add_fd, "# Domain Admins, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Domain Admins,ou=%s,%s\n", group_attr,
            suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "cn: Domain Admins\n");
      fprintf(add_fd, "memberUid: Administrator\n");
      fprintf(add_fd, "description: Netbios Domain Administrators\n");
      fprintf(add_fd, "gidNumber: 512\n");
      fprintf(add_fd, "sambaSID: %s-512\n", sid);
      fprintf(add_fd, "sambaGroupType: 2\n");
      fprintf(add_fd, "displayName: Domain Admins\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Domain Users entity */ 
      fprintf(add_fd, "# Domain Users, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Domain Users,ou=%s,%s\n", group_attr,
            suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "cn: Domain Users\n");
      fprintf(add_fd, "description: Netbios Domain Users\n");
      fprintf(add_fd, "gidNumber: 513\n");
      fprintf(add_fd, "sambaSID: %s-513\n", sid);
      fprintf(add_fd, "sambaGroupType: 2\n");
      fprintf(add_fd, "displayName: Domain Users\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Domain Guests entity */ 
      fprintf(add_fd, "# Domain Guests, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Domain Guests,ou=%s,%s\n", group_attr,
            suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "cn: Domain Guests\n");
      fprintf(add_fd, "description: Netbios Domain Guests\n");
      fprintf(add_fd, "gidNumber: 514\n");
      fprintf(add_fd, "sambaSID: %s-514\n", sid);
      fprintf(add_fd, "sambaGroupType: 2\n");
      fprintf(add_fd, "displayName: Domain Guests\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Domain Computers entity */
      fprintf(add_fd, "# Domain Computers, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Domain Computers,ou=%s,%s\n",
            group_attr, suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "gidNumber: 515\n");
      fprintf(add_fd, "cn: Domain Computers\n");
      fprintf(add_fd, "description: Netbios Domain Computers accounts\n");
      fprintf(add_fd, "sambaSID: %s-515\n", sid);
      fprintf(add_fd, "sambaGroupType: 2\n");
      fprintf(add_fd, "displayName: Domain Computers\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Admininistrators Groups entity */
      fprintf(add_fd, "# Administrators, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Administrators,ou=%s,%s\n", group_attr,
            suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "gidNumber: 544\n");
      fprintf(add_fd, "cn: Administrators\n");
      fprintf(add_fd, "description: Netbios Domain Members can fully administer the computer/sambaDomainName\n");
      fprintf(add_fd, "sambaSID: %s-544\n", builtin_sid);
      fprintf(add_fd, "sambaGroupType: 5\n");
      fprintf(add_fd, "displayName: Administrators\n");
      fprintf(add_fd, "\n");

      /* Write the Print Operator entity */
      fprintf(add_fd, "# Print Operators, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Print Operators,ou=%s,%s\n",
            group_attr, suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "gidNumber: 550\n");
      fprintf(add_fd, "cn: Print Operators\n");
      fprintf(add_fd, "description: Netbios Domain Print Operators\n");
      fprintf(add_fd, "sambaSID: %s-550\n", builtin_sid);
      fprintf(add_fd, "sambaGroupType: 5\n");
      fprintf(add_fd, "displayName: Print Operators\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Backup Operators entity */
      fprintf(add_fd, "# Backup Operators, %s, %s\n", group_attr,
            suffix);
      fprintf(add_fd, "dn: cn=Backup Operators,ou=%s,%s\n",
            group_attr, suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "gidNumber: 551\n");
      fprintf(add_fd, "cn: Backup Operators\n");
      fprintf(add_fd, "description: Netbios Domain Members can bypass file security to back up files\n");
      fprintf(add_fd, "sambaSID: %s-551\n", builtin_sid);
      fprintf(add_fd, "sambaGroupType: 5\n");
      fprintf(add_fd, "displayName: Backup Operators\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Write the Replicators entity */
      fprintf(add_fd, "# Replicators, %s, %s\n", group_attr, suffix);
      fprintf(add_fd, "dn: cn=Replicators,ou=%s,%s\n", group_attr,
            suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "gidNumber: 552\n");
      fprintf(add_fd, "cn: Replicators\n");
      fprintf(add_fd, "description: Netbios Domain Supports file replication in a sambaDomainName\n");
      fprintf(add_fd, "sambaSID: %s-552\n", builtin_sid);
      fprintf(add_fd, "sambaGroupType: 5\n");
      fprintf(add_fd, "displayName: Replicators\n");
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Deallocate memory, and return */
      SAFE_FREE(suffix_attr);
      SAFE_FREE(user_attr);
      SAFE_FREE(group_attr);
      return NT_STATUS_OK;
}

static NTSTATUS map_populate_groups(GROUPMAP *groupmap, ACCOUNTMAP *accountmap, fstring sid, 
                const char *suffix, const char *builtin_sid)
{
      char *group_attr = sstring_sub(lp_ldap_group_suffix(), '=', ',');

      /* Map the groups created by populate_ldap_for_ldif */
      groupmap[0].rid = 512;
      groupmap[0].gidNumber = 512;
      snprintf(groupmap[0].sambaSID, sizeof(groupmap[0].sambaSID),
                  "%s-512", sid);
      snprintf(groupmap[0].group_dn, sizeof(groupmap[0].group_dn),
                  "cn=Domain Admins,ou=%s,%s",
                  group_attr, suffix);
      accountmap[0].rid = 512;
      snprintf(accountmap[0].cn, sizeof(accountmap[0].cn),
                  "%s", "Domain Admins");

      groupmap[1].rid = 513;
      groupmap[1].gidNumber = 513;
      snprintf(groupmap[1].sambaSID, sizeof(groupmap[1].sambaSID),
                  "%s-513", sid);
      snprintf(groupmap[1].group_dn, sizeof(groupmap[1].group_dn),
                  "cn=Domain Users,ou=%s,%s",
                  group_attr, suffix);
      accountmap[1].rid = 513;
      snprintf(accountmap[1].cn, sizeof(accountmap[1].cn),
                  "%s", "Domain Users");

      groupmap[2].rid = 514;
      groupmap[2].gidNumber = 514;
      snprintf(groupmap[2].sambaSID, sizeof(groupmap[2].sambaSID),
                  "%s-514", sid);
      snprintf(groupmap[2].group_dn, sizeof(groupmap[2].group_dn),
                  "cn=Domain Guests,ou=%s,%s",
                  group_attr, suffix);
      accountmap[2].rid = 514;
      snprintf(accountmap[2].cn, sizeof(accountmap[2].cn),
                  "%s", "Domain Guests");

      groupmap[3].rid = 515;
      groupmap[3].gidNumber = 515;
      snprintf(groupmap[3].sambaSID, sizeof(groupmap[3].sambaSID),
                  "%s-515", sid);
      snprintf(groupmap[3].group_dn, sizeof(groupmap[3].group_dn),
                  "cn=Domain Computers,ou=%s,%s",
                  group_attr, suffix);
      accountmap[3].rid = 515;
      snprintf(accountmap[3].cn, sizeof(accountmap[3].cn),
                  "%s", "Domain Computers");

      groupmap[4].rid = 544;
      groupmap[4].gidNumber = 544;
      snprintf(groupmap[4].sambaSID, sizeof(groupmap[4].sambaSID),
                  "%s-544", builtin_sid);
      snprintf(groupmap[4].group_dn, sizeof(groupmap[4].group_dn),
                  "cn=Administrators,ou=%s,%s",
                  group_attr, suffix);
      accountmap[4].rid = 515;
      snprintf(accountmap[4].cn, sizeof(accountmap[4].cn),
                  "%s", "Administrators");

      groupmap[5].rid = 550;
      groupmap[5].gidNumber = 550;
      snprintf(groupmap[5].sambaSID, sizeof(groupmap[5].sambaSID),
                  "%s-550", builtin_sid);
      snprintf(groupmap[5].group_dn, sizeof(groupmap[5].group_dn),
                  "cn=Print Operators,ou=%s,%s",
                  group_attr, suffix);
      accountmap[5].rid = 550;
      snprintf(accountmap[5].cn, sizeof(accountmap[5].cn),
                  "%s", "Print Operators");

      groupmap[6].rid = 551;
      groupmap[6].gidNumber = 551;
      snprintf(groupmap[6].sambaSID, sizeof(groupmap[6].sambaSID),
                  "%s-551", builtin_sid);
      snprintf(groupmap[6].group_dn, sizeof(groupmap[6].group_dn),
                  "cn=Backup Operators,ou=%s,%s",
                  group_attr, suffix);
      accountmap[6].rid = 551;
      snprintf(accountmap[6].cn, sizeof(accountmap[6].cn),
                  "%s", "Backup Operators");

      groupmap[7].rid = 552;
      groupmap[7].gidNumber = 552;
      snprintf(groupmap[7].sambaSID, sizeof(groupmap[7].sambaSID),
                  "%s-552", builtin_sid);
      snprintf(groupmap[7].group_dn, sizeof(groupmap[7].group_dn),
                  "cn=Replicators,ou=%s,%s",
                  group_attr, suffix);
      accountmap[7].rid = 551;
      snprintf(accountmap[7].cn, sizeof(accountmap[7].cn),
                  "%s", "Replicators");
      SAFE_FREE(group_attr);
      return NT_STATUS_OK;
}

/*
 * This is a crap routine, but I think it's the quickest way to solve the
 * UTF8->base64 problem.
 */

static int fprintf_attr(FILE *add_fd, const char *attr_name,
                  const char *fmt, ...)
{
      va_list ap;
      char *value, *p, *base64;
      DATA_BLOB base64_blob;
      bool do_base64 = False;
      int res;

      va_start(ap, fmt);
      value = talloc_vasprintf(NULL, fmt, ap);
      va_end(ap);

      SMB_ASSERT(value != NULL);

      for (p=value; *p; p++) {
            if (*p & 0x80) {
                  do_base64 = True;
                  break;
            }
      }

      if (!do_base64) {
            bool only_whitespace = True;
            for (p=value; *p; p++) {
                  /*
                   * I know that this not multibyte safe, but we break
                   * on the first non-whitespace character anyway.
                   */
                  if (!isspace(*p)) {
                        only_whitespace = False;
                        break;
                  }
            }
            if (only_whitespace) {
                  do_base64 = True;
            }
      }

      if (!do_base64) {
            res = fprintf(add_fd, "%s: %s\n", attr_name, value);
            TALLOC_FREE(value);
            return res;
      }

      base64_blob.data = (unsigned char *)value;
      base64_blob.length = strlen(value);

      base64 = base64_encode_data_blob(value, base64_blob);
      SMB_ASSERT(base64 != NULL);

      res = fprintf(add_fd, "%s:: %s\n", attr_name, base64);
      TALLOC_FREE(value);
      return res;
}

static NTSTATUS fetch_group_info_to_ldif(SAM_DELTA_CTR *delta, GROUPMAP *groupmap,
                   FILE *add_fd, fstring sid, char *suffix)
{
      fstring groupname;
      uint32 grouptype = 0, g_rid = 0;
      char *group_attr = sstring_sub(lp_ldap_group_suffix(), '=', ',');

      /* Get the group name */
      unistr2_to_ascii(groupname,
                   &delta->group_info.uni_grp_name,
                   sizeof(groupname));

      /* Set up the group type (always 2 for group info) */
      grouptype = 2;

      /* These groups are entered by populate_ldap_for_ldif */
      if (strcmp(groupname, "Domain Admins") == 0 ||
            strcmp(groupname, "Domain Users") == 0 ||
          strcmp(groupname, "Domain Guests") == 0 ||
          strcmp(groupname, "Domain Computers") == 0 ||
          strcmp(groupname, "Administrators") == 0 ||
          strcmp(groupname, "Print Operators") == 0 ||
          strcmp(groupname, "Backup Operators") == 0 ||
          strcmp(groupname, "Replicators") == 0) {
            SAFE_FREE(group_attr);
            return NT_STATUS_OK;
      } else {
            /* Increment the gid for the new group */
              ldif_gid++;
      }

      /* Map the group rid, gid, and dn */
      g_rid = delta->group_info.gid.g_rid;
      groupmap->rid = g_rid;
      groupmap->gidNumber = ldif_gid;
      snprintf(groupmap->sambaSID, sizeof(groupmap->sambaSID),
                  "%s-%d", sid, g_rid);
      snprintf(groupmap->group_dn, sizeof(groupmap->group_dn),
                 "cn=%s,ou=%s,%s", groupname, group_attr, suffix);

      /* Write the data to the temporary add ldif file */
      fprintf(add_fd, "# %s, %s, %s\n", groupname, group_attr,
            suffix);
      fprintf_attr(add_fd, "dn", "cn=%s,ou=%s,%s", groupname, group_attr,
                 suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf_attr(add_fd, "cn", "%s", groupname);
      fprintf(add_fd, "gidNumber: %d\n", ldif_gid);
      fprintf(add_fd, "sambaSID: %s\n", groupmap->sambaSID);
      fprintf(add_fd, "sambaGroupType: %d\n", grouptype);
      fprintf_attr(add_fd, "displayName", "%s", groupname);
      fprintf(add_fd, "\n");
      fflush(add_fd);

      SAFE_FREE(group_attr);
      /* Return */
      return NT_STATUS_OK;
}

static NTSTATUS fetch_account_info_to_ldif(SAM_DELTA_CTR *delta,
                                 GROUPMAP *groupmap,
                                 ACCOUNTMAP *accountmap,
                                 FILE *add_fd,
                                 fstring sid, char *suffix,
                                 int alloced)
{
      fstring username, logonscript, homedrive, homepath = "", homedir = "";
      fstring hex_nt_passwd, hex_lm_passwd;
      fstring description, profilepath, fullname, sambaSID;
      uchar lm_passwd[16], nt_passwd[16];
      char *flags, *user_rdn;
      const char *ou;
      const char* nopasswd = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
      static uchar zero_buf[16];
      uint32 rid = 0, group_rid = 0, gidNumber = 0;
      time_t unix_time;
      int i;

      /* Get the username */
      unistr2_to_ascii(username,
                   &(delta->account_info.uni_acct_name),
                   sizeof(username));

      /* Get the rid */
      rid = delta->account_info.user_rid;

      /* Map the rid and username for group member info later */
      accountmap->rid = rid;
      snprintf(accountmap->cn, sizeof(accountmap->cn), "%s", username);

      /* Get the home directory */
      if (delta->account_info.acb_info & ACB_NORMAL) {
            unistr2_to_ascii(homedir, &(delta->account_info.uni_home_dir),
                         sizeof(homedir));
            if (!*homedir) {
                  snprintf(homedir, sizeof(homedir), "/home/%s", username);
            } else {
                  snprintf(homedir, sizeof(homedir), "/nobodyshomedir");
            }
            ou = lp_ldap_user_suffix();
      } else {
            ou = lp_ldap_machine_suffix();
            snprintf(homedir, sizeof(homedir), "/machinehomedir");
      }

        /* Get the logon script */
        unistr2_to_ascii(logonscript, &(delta->account_info.uni_logon_script),
                   sizeof(logonscript));

        /* Get the home drive */
        unistr2_to_ascii(homedrive, &(delta->account_info.uni_dir_drive),
                   sizeof(homedrive));

        /* Get the home path */
        unistr2_to_ascii(homepath, &(delta->account_info.uni_home_dir),
                   sizeof(homepath));

      /* Get the description */
      unistr2_to_ascii(description, &(delta->account_info.uni_acct_desc),
                   sizeof(description));

      /* Get the display name */
      unistr2_to_ascii(fullname, &(delta->account_info.uni_full_name),
                   sizeof(fullname));

      /* Get the profile path */
      unistr2_to_ascii(profilepath, &(delta->account_info.uni_profile),
                   sizeof(profilepath));

      /* Get lm and nt password data */
      if (memcmp(delta->account_info.pass.buf_lm_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(delta->account_info.user_rid, 
                       delta->account_info.pass.buf_lm_pwd, 
                       lm_passwd, 0);
            pdb_sethexpwd(hex_lm_passwd, lm_passwd, 
                        delta->account_info.acb_info);
      } else {
            pdb_sethexpwd(hex_lm_passwd, NULL, 0);
      }
      if (memcmp(delta->account_info.pass.buf_nt_pwd, zero_buf, 16) != 0) {
            sam_pwd_hash(delta->account_info.user_rid, 
                       delta->account_info.pass.buf_nt_pwd, 
                       nt_passwd, 0);
            pdb_sethexpwd(hex_nt_passwd, nt_passwd, 
                        delta->account_info.acb_info);
      } else {
            pdb_sethexpwd(hex_nt_passwd, NULL, 0);
      }
      unix_time = nt_time_to_unix(delta->account_info.pwd_last_set_time);

      /* Increment the uid for the new user */
      ldif_uid++;

      /* Set up group id and sambaSID for the user */
      group_rid = delta->account_info.group_rid;
      for (i=0; i<alloced; i++) {
            if (groupmap[i].rid == group_rid) break;
      }
      if (i == alloced){
            DEBUG(1, ("Could not find rid %d in groupmap array\n", 
                    group_rid));
            return NT_STATUS_UNSUCCESSFUL;
      }
      gidNumber = groupmap[i].gidNumber;
      snprintf(sambaSID, sizeof(sambaSID), groupmap[i].sambaSID);

      /* Set up sambaAcctFlags */
      flags = pdb_encode_acct_ctrl(delta->account_info.acb_info,
                             NEW_PW_FORMAT_SPACE_PADDED_LEN);

      /* Add the user to the temporary add ldif file */
      /* this isn't quite right...we can't assume there's just OU=. jmcd */
      user_rdn = sstring_sub(ou, '=', ',');
      fprintf(add_fd, "# %s, %s, %s\n", username, user_rdn, suffix);
      fprintf_attr(add_fd, "dn", "uid=%s,ou=%s,%s", username, user_rdn,
                 suffix);
      SAFE_FREE(user_rdn);
      fprintf(add_fd, "ObjectClass: top\n");
      fprintf(add_fd, "objectClass: inetOrgPerson\n");
      fprintf(add_fd, "objectClass: posixAccount\n");
      fprintf(add_fd, "objectClass: shadowAccount\n");
      fprintf(add_fd, "objectClass: sambaSamAccount\n");
      fprintf_attr(add_fd, "cn", "%s", username);
      fprintf_attr(add_fd, "sn", "%s", username);
      fprintf_attr(add_fd, "uid", "%s", username);
      fprintf(add_fd, "uidNumber: %d\n", ldif_uid);
      fprintf(add_fd, "gidNumber: %d\n", gidNumber);
      fprintf_attr(add_fd, "homeDirectory", "%s", homedir);
      if (*homepath)
            fprintf_attr(add_fd, "sambaHomePath", "%s", homepath);
        if (*homedrive)
                fprintf_attr(add_fd, "sambaHomeDrive", "%s", homedrive);
        if (*logonscript)
                fprintf_attr(add_fd, "sambaLogonScript", "%s", logonscript);
      fprintf(add_fd, "loginShell: %s\n", 
            ((delta->account_info.acb_info & ACB_NORMAL) ?
             "/bin/bash" : "/bin/false"));
      fprintf(add_fd, "gecos: System User\n");
      if (*description)
            fprintf_attr(add_fd, "description", "%s", description);
      fprintf(add_fd, "sambaSID: %s-%d\n", sid, rid);
      fprintf(add_fd, "sambaPrimaryGroupSID: %s\n", sambaSID);
      if(*fullname)
            fprintf_attr(add_fd, "displayName", "%s", fullname);
      if(*profilepath)
            fprintf_attr(add_fd, "sambaProfilePath", "%s", profilepath);
      if (strcmp(nopasswd, hex_lm_passwd) != 0)
            fprintf(add_fd, "sambaLMPassword: %s\n", hex_lm_passwd);
      if (strcmp(nopasswd, hex_nt_passwd) != 0)
            fprintf(add_fd, "sambaNTPassword: %s\n", hex_nt_passwd);
      fprintf(add_fd, "sambaPwdLastSet: %d\n", (int)unix_time);
      fprintf(add_fd, "sambaAcctFlags: %s\n", flags);
      fprintf(add_fd, "\n");
      fflush(add_fd);

      /* Return */
      return NT_STATUS_OK;
}

static NTSTATUS fetch_alias_info_to_ldif(SAM_DELTA_CTR *delta,
                               GROUPMAP *groupmap,
                               FILE *add_fd, fstring sid,
                               char *suffix, 
                               unsigned db_type)
{
      fstring aliasname, description;
      uint32 grouptype = 0, g_rid = 0;
      char *group_attr = sstring_sub(lp_ldap_group_suffix(), '=', ',');

      /* Get the alias name */
      unistr2_to_ascii(aliasname, &(delta->alias_info.uni_als_name),
                   sizeof(aliasname));

      /* Get the alias description */
      unistr2_to_ascii(description, &(delta->alias_info.uni_als_desc),
                   sizeof(description));

      /* Set up the group type */
      switch (db_type) {
      case SAM_DATABASE_DOMAIN:
            grouptype = 4;
            break;
      case SAM_DATABASE_BUILTIN:
            grouptype = 5;
            break;
      default:
            grouptype = 4;
            break;
      }

      /*
        These groups are entered by populate_ldap_for_ldif
        Note that populate creates a group called Relicators, 
        but NT returns a group called Replicator
      */
      if (strcmp(aliasname, "Domain Admins") == 0 ||
          strcmp(aliasname, "Domain Users") == 0 ||
          strcmp(aliasname, "Domain Guests") == 0 ||
          strcmp(aliasname, "Domain Computers") == 0 ||
          strcmp(aliasname, "Administrators") == 0 ||
          strcmp(aliasname, "Print Operators") == 0 ||
          strcmp(aliasname, "Backup Operators") == 0 ||
          strcmp(aliasname, "Replicator") == 0) {
            SAFE_FREE(group_attr);
            return NT_STATUS_OK;
      } else {
            /* Increment the gid for the new group */
            ldif_gid++;
      }

      /* Map the group rid and gid */
      g_rid = delta->group_info.gid.g_rid;
      groupmap->gidNumber = ldif_gid;
      snprintf(groupmap->sambaSID, sizeof(groupmap->sambaSID),
                  "%s-%d", sid, g_rid);

      /* Write the data to the temporary add ldif file */
      fprintf(add_fd, "# %s, %s, %s\n", aliasname, group_attr,
            suffix);
      fprintf_attr(add_fd, "dn", "cn=%s,ou=%s,%s", aliasname, group_attr,
                 suffix);
      fprintf(add_fd, "objectClass: posixGroup\n");
      fprintf(add_fd, "objectClass: sambaGroupMapping\n");
      fprintf(add_fd, "cn: %s\n", aliasname);
      fprintf(add_fd, "gidNumber: %d\n", ldif_gid);
      fprintf(add_fd, "sambaSID: %s\n", groupmap->sambaSID);
      fprintf(add_fd, "sambaGroupType: %d\n", grouptype);
      fprintf_attr(add_fd, "displayName", "%s", aliasname);
      if (description[0])
            fprintf_attr(add_fd, "description", "%s", description);
      fprintf(add_fd, "\n");
      fflush(add_fd);

      SAFE_FREE(group_attr);
      /* Return */
      return NT_STATUS_OK;
}

static NTSTATUS fetch_groupmem_info_to_ldif(SAM_DELTA_CTR *delta,
                                  SAM_DELTA_HDR *hdr_delta,
                                  GROUPMAP *groupmap,
                                  ACCOUNTMAP *accountmap,
                                  FILE *mod_fd, int alloced)
{
      fstring group_dn;
      uint32 group_rid = 0, rid = 0;
      int i, j, k;

      /* Get the dn for the group */
      if (delta->grp_mem_info.num_members > 0) {
            group_rid = hdr_delta->target_rid;
            for (j=0; j<alloced; j++) {
                  if (groupmap[j].rid == group_rid) break;
            }
            if (j == alloced){
                  DEBUG(1, ("Could not find rid %d in groupmap array\n",
                          group_rid));
                  return NT_STATUS_UNSUCCESSFUL;
            }
            snprintf(group_dn, sizeof(group_dn), "%s", groupmap[j].group_dn);
            fprintf(mod_fd, "dn: %s\n", group_dn);

            /* Get the cn for each member */
            for (i=0; i<delta->grp_mem_info.num_members; i++) {
                  rid = delta->grp_mem_info.rids[i];
                  for (k=0; k<alloced; k++) {
                        if (accountmap[k].rid == rid) break;
                  }
                  if (k == alloced){
                        DEBUG(1, ("Could not find rid %d in "
                                "accountmap array\n", rid));
                        return NT_STATUS_UNSUCCESSFUL;
                  }
                  fprintf(mod_fd, "memberUid: %s\n", accountmap[k].cn);
            }
            fprintf(mod_fd, "\n");
      }
      fflush(mod_fd);

      /* Return */
      return NT_STATUS_OK;
}

static NTSTATUS fetch_database_to_ldif(struct rpc_pipe_client *pipe_hnd,
                               uint32 db_type,
                               DOM_SID dom_sid,
                               const char *user_file)
{
      char *suffix;
      const char *builtin_sid = "S-1-5-32";
      char *add_name = NULL, *mod_name = NULL;
      const char *add_template = "/tmp/add.ldif.XXXXXX";
      const char *mod_template = "/tmp/mod.ldif.XXXXXX";
      fstring sid, domainname;
      uint32 sync_context = 0;
      NTSTATUS ret = NT_STATUS_OK, result;
      int k;
      TALLOC_CTX *mem_ctx;
      SAM_DELTA_HDR *hdr_deltas;
      SAM_DELTA_CTR *deltas;
      uint32 num_deltas;
      FILE *add_file = NULL, *mod_file = NULL, *ldif_file = NULL;
      int num_alloced = 0, g_index = 0, a_index = 0;

      /* Set up array for mapping accounts to groups */
      /* Array element is the group rid */
      GROUPMAP *groupmap = NULL;

      /* Set up array for mapping account rid's to cn's */
      /* Array element is the account rid */
      ACCOUNTMAP *accountmap = NULL; 

      if (!(mem_ctx = talloc_init("fetch_database"))) {
            return NT_STATUS_NO_MEMORY;
      }

      /* Ensure we have an output file */
      if (user_file)
            ldif_file = fopen(user_file, "a");
      else
            ldif_file = stdout;

      if (!ldif_file) {
            fprintf(stderr, "Could not open %s\n", user_file);
            DEBUG(1, ("Could not open %s\n", user_file));
            ret = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }

      add_name = talloc_strdup(mem_ctx, add_template);
      mod_name = talloc_strdup(mem_ctx, mod_template);
      if (!add_name || !mod_name) {
            ret = NT_STATUS_NO_MEMORY;
            goto done;
      }

      /* Open the add and mod ldif files */
      if (!(add_file = fdopen(smb_mkstemp(add_name),"w"))) {
            DEBUG(1, ("Could not open %s\n", add_name));
            ret = NT_STATUS_UNSUCCESSFUL;
            goto done;
      }
      if (!(mod_file = fdopen(smb_mkstemp(mod_name),"w"))) {
            DEBUG(1, ("Could not open %s\n", mod_name));
            ret = NT_STATUS_UNSUCCESSFUL;
            goto done;
      } 

      /* Get the sid */
      sid_to_fstring(sid, &dom_sid);

      /* Get the ldap suffix */
      suffix = lp_ldap_suffix();
      if (suffix == NULL || strcmp(suffix, "") == 0) {
            DEBUG(0,("ldap suffix missing from smb.conf--exiting\n"));
            exit(1);
      }

      /* Get other smb.conf data */
      if (!(lp_workgroup()) || !*(lp_workgroup())) {
            DEBUG(0,("workgroup missing from smb.conf--exiting\n"));
            exit(1);
      }

      /* Allocate initial memory for groupmap and accountmap arrays */
      if (init_ldap == 1) {
            groupmap = SMB_MALLOC_ARRAY(GROUPMAP, 8);
            accountmap = SMB_MALLOC_ARRAY(ACCOUNTMAP, 8);
            if (groupmap == NULL || accountmap == NULL) {
                  DEBUG(1,("GROUPMAP malloc failed\n"));
                  ret = NT_STATUS_NO_MEMORY;
                  goto done;
            }

            /* Initialize the arrays */
            memset(groupmap, 0, sizeof(GROUPMAP)*8);
            memset(accountmap, 0, sizeof(ACCOUNTMAP)*8);

            /* Remember how many we malloced */
            num_alloced = 8;

            /* Initial database population */
            populate_ldap_for_ldif(sid, suffix, builtin_sid, add_file);
            map_populate_groups(groupmap, accountmap, sid, suffix,
                            builtin_sid);

            /* Don't do this again */
            init_ldap = 0;
      }

      /* Announce what we are doing */
      switch( db_type ) {
      case SAM_DATABASE_DOMAIN:
            d_fprintf(stderr, "Fetching DOMAIN database\n");
            break;
      case SAM_DATABASE_BUILTIN:
            d_fprintf(stderr, "Fetching BUILTIN database\n");
            break;
      case SAM_DATABASE_PRIVS:
            d_fprintf(stderr, "Fetching PRIVS databases\n");
            break;
      default:
            d_fprintf(stderr, 
                    "Fetching unknown database type %u\n", 
                    db_type );
            break;
      }

      do {
            result = rpccli_netlogon_sam_sync(pipe_hnd, mem_ctx,
                                      db_type, sync_context,
                                      &num_deltas, &hdr_deltas, 
                                      &deltas);
            if (!NT_STATUS_IS_OK(result) &&
                !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
                  ret = NT_STATUS_OK;
                  goto done; /* is this correct? jmcd */
            }

            /* Re-allocate memory for groupmap and accountmap arrays */
            groupmap = SMB_REALLOC_ARRAY(groupmap, GROUPMAP,
                                   num_deltas+num_alloced);
            accountmap = SMB_REALLOC_ARRAY(accountmap, ACCOUNTMAP,
                                     num_deltas+num_alloced);
            if (groupmap == NULL || accountmap == NULL) {
                  DEBUG(1,("GROUPMAP malloc failed\n"));
                  ret = NT_STATUS_NO_MEMORY;
                  goto done;
            }

            /* Initialize the new records */
            memset(&groupmap[num_alloced], 0, 
                   sizeof(GROUPMAP)*num_deltas);
            memset(&accountmap[num_alloced], 0,
                   sizeof(ACCOUNTMAP)*num_deltas);

            /* Remember how many we alloced this time */
            num_alloced += num_deltas;

            /* Loop through the deltas */
            for (k=0; k<num_deltas; k++) {
                  switch(hdr_deltas[k].type) {
                  case SAM_DELTA_DOMAIN_INFO:
                        /* Is this case needed? */
                        unistr2_to_ascii(
                              domainname, 
                              &deltas[k].domain_info.uni_dom_name,
                              sizeof(domainname));
                        break;

                  case SAM_DELTA_GROUP_INFO:
                        fetch_group_info_to_ldif(
                              &deltas[k], &groupmap[g_index],
                              add_file, sid, suffix);
                        g_index++;
                        break;

                  case SAM_DELTA_ACCOUNT_INFO:
                        fetch_account_info_to_ldif(
                              &deltas[k], groupmap, 
                              &accountmap[a_index], add_file,
                              sid, suffix, num_alloced);
                        a_index++;
                        break;

                  case SAM_DELTA_ALIAS_INFO:
                        fetch_alias_info_to_ldif(
                              &deltas[k], &groupmap[g_index],
                              add_file, sid, suffix, db_type);
                        g_index++;
                        break;

                  case SAM_DELTA_GROUP_MEM:
                        fetch_groupmem_info_to_ldif(
                              &deltas[k], &hdr_deltas[k], 
                              groupmap, accountmap, 
                              mod_file, num_alloced);
                        break;

                  case SAM_DELTA_ALIAS_MEM:
                        break;
                  case SAM_DELTA_POLICY_INFO:
                        break;
                  case SAM_DELTA_PRIVS_INFO:
                        break;
                  case SAM_DELTA_TRUST_DOMS:
                        /* Implemented but broken */
                        break;
                  case SAM_DELTA_SECRET_INFO:
                        /* Implemented but broken */
                        break;
                  case SAM_DELTA_RENAME_GROUP:
                        /* Not yet implemented */
                        break;
                  case SAM_DELTA_RENAME_USER:
                        /* Not yet implemented */
                        break;
                  case SAM_DELTA_RENAME_ALIAS:
                        /* Not yet implemented */
                        break;
                  case SAM_DELTA_DELETE_GROUP:
                        /* Not yet implemented */
                        break;
                  case SAM_DELTA_DELETE_USER:
                        /* Not yet implemented */
                        break;
                  case SAM_DELTA_MODIFIED_COUNT:
                        break;
                  default:
                        break;
                  } /* end of switch */
            } /* end of for loop */

            /* Increment sync_context */
            sync_context += 1;

      } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));

      /* Write ldif data to the user's file */
      if (db_type == SAM_DATABASE_DOMAIN) {
            fprintf(ldif_file,
                  "# SAM_DATABASE_DOMAIN: ADD ENTITIES\n");
            fprintf(ldif_file,
                  "# =================================\n\n");
            fflush(ldif_file);
      } else if (db_type == SAM_DATABASE_BUILTIN) {
            fprintf(ldif_file,
                  "# SAM_DATABASE_BUILTIN: ADD ENTITIES\n");
            fprintf(ldif_file,
                  "# ==================================\n\n");
            fflush(ldif_file);
      }
      fseek(add_file, 0, SEEK_SET);
      transfer_file(fileno(add_file), fileno(ldif_file), (size_t) -1);

      if (db_type == SAM_DATABASE_DOMAIN) {
            fprintf(ldif_file,
                  "# SAM_DATABASE_DOMAIN: MODIFY ENTITIES\n");
            fprintf(ldif_file,
                  "# ====================================\n\n");
            fflush(ldif_file);
      } else if (db_type == SAM_DATABASE_BUILTIN) {
            fprintf(ldif_file,
                  "# SAM_DATABASE_BUILTIN: MODIFY ENTITIES\n");
            fprintf(ldif_file,
                  "# =====================================\n\n");
            fflush(ldif_file);
      }
      fseek(mod_file, 0, SEEK_SET);
      transfer_file(fileno(mod_file), fileno(ldif_file), (size_t) -1);


 done:
      /* Close and delete the ldif files */
      if (add_file) {
            fclose(add_file);
      }

      if ((add_name != NULL) &&
          strcmp(add_name, add_template) && (unlink(add_name))) {
            DEBUG(1,("unlink(%s) failed, error was (%s)\n",
                   add_name, strerror(errno)));
      }

      if (mod_file) {
            fclose(mod_file);
      }

      if ((mod_name != NULL) &&
          strcmp(mod_name, mod_template) && (unlink(mod_name))) {
            DEBUG(1,("unlink(%s) failed, error was (%s)\n",
                   mod_name, strerror(errno)));
      }
      
      if (ldif_file && (ldif_file != stdout)) {
            fclose(ldif_file);
      }

      /* Deallocate memory for the mapping arrays */
      SAFE_FREE(groupmap);
      SAFE_FREE(accountmap);

      /* Return */
      talloc_destroy(mem_ctx);
      return ret;
}

/** 
 * Basic usage function for 'net rpc vampire'
 * @param argc  Standard main() style argc
 * @param argc  Standard main() style argv.  Initial components are already
 *              stripped
 **/

int rpc_vampire_usage(int argc, const char **argv) 
{     
      d_printf("%s rpc vampire [ldif [<ldif-filename>] [options]\n"
             "\t to pull accounts from a remote PDC where we are a BDC\n"
             "\t\t no args puts accounts in local passdb from smb.conf\n"
             "\t\t ldif - put accounts in ldif format (file defaults to "
             "/tmp/tmp.ldif\n",
             NET_PROGRAM_NAME);

      net_common_flags_usage(argc, argv);
      return -1;
}


/* dump sam database via samsync rpc calls */
NTSTATUS rpc_vampire_internals(const DOM_SID *domain_sid, 
                        const char *domain_name, 
                        struct cli_state *cli,
                        struct rpc_pipe_client *pipe_hnd,
                        TALLOC_CTX *mem_ctx, 
                        int argc,
                        const char **argv) 
{
        NTSTATUS result;
      fstring my_dom_sid_str;
      fstring rem_dom_sid_str;

      if (!sid_equal(domain_sid, get_global_sam_sid())) {
            d_printf("Cannot import users from %s at this time, "
                   "as the current domain:\n\t%s: %s\nconflicts "
                   "with the remote domain\n\t%s: %s\n"
                   "Perhaps you need to set: \n\n\tsecurity=user\n\t"
                   "workgroup=%s\n\n in your smb.conf?\n",
                   domain_name,
                   get_global_sam_name(),
                   sid_to_fstring(my_dom_sid_str, 
                              get_global_sam_sid()),
                   domain_name, sid_to_fstring(rem_dom_sid_str,
                                         domain_sid),
                   domain_name);
            return NT_STATUS_UNSUCCESSFUL;
      }

        if (argc >= 1 && (strcmp(argv[0], "ldif") == 0)) {
            result = fetch_database_to_ldif(pipe_hnd, SAM_DATABASE_DOMAIN,
                                    *domain_sid, argv[1]);
        } else {
            result = fetch_database(pipe_hnd, SAM_DATABASE_DOMAIN,
                              *domain_sid);
        }

      if (!NT_STATUS_IS_OK(result)) {
            d_fprintf(stderr, "Failed to fetch domain database: %s\n",
                    nt_errstr(result));
            if (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED))
                  d_fprintf(stderr, "Perhaps %s is a Windows 2000 "
                          "native mode domain?\n", domain_name);
            goto fail;
      }

        if (argc >= 1 && (strcmp(argv[0], "ldif") == 0)) {
            result = fetch_database_to_ldif(pipe_hnd, SAM_DATABASE_BUILTIN,
                                    global_sid_Builtin, argv[1]);
        } else {
            result = fetch_database(pipe_hnd, SAM_DATABASE_BUILTIN,
                              global_sid_Builtin);
        }

      if (!NT_STATUS_IS_OK(result)) {
            d_fprintf(stderr, "Failed to fetch builtin database: %s\n",
                    nt_errstr(result));
            goto fail;
      }

      /* Currently we crash on PRIVS somewhere in unmarshalling */
      /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */

 fail:
      return result;
}

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