net_vampire: move out passdb routines to one file.

Guenther
(This used to be commit 74d431270d9b4cc1524f79fa2ad743420afef417)

1 files changed, 789 insertions, 0 deletions

diff --git a/source3/libnet/libnet_samsync_passdb.c b/source3/libnet/libnet_samsync_passdb.c
new file mode 100644
index 0000000000..a049d1b9c3
--- /dev/null
+++ b/source3/libnet/libnet_samsync_passdb.c
@@ -0,0 +1,789 @@
+/*
+   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.
+   Copyright (C) Guenther Deschner 2008.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 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 "libnet/libnet.h"
+
+/* 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,
+				       struct netr_DELTA_USER *r)
+{
+	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 (r->account_name.string) {
+		old_string = pdb_get_nt_username(account);
+		new_string = r->account_name.string;
+
+		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 (r->full_name.string) {
+		old_string = pdb_get_fullname(account);
+		new_string = r->full_name.string;
+
+		if (STRING_CHANGED)
+			pdb_set_fullname(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->home_directory.string) {
+		old_string = pdb_get_homedir(account);
+		new_string = r->home_directory.string;
+
+		if (STRING_CHANGED)
+			pdb_set_homedir(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->home_drive.string) {
+		old_string = pdb_get_dir_drive(account);
+		new_string = r->home_drive.string;
+
+		if (STRING_CHANGED)
+			pdb_set_dir_drive(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->logon_script.string) {
+		old_string = pdb_get_logon_script(account);
+		new_string = r->logon_script.string;
+
+		if (STRING_CHANGED)
+			pdb_set_logon_script(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->description.string) {
+		old_string = pdb_get_acct_desc(account);
+		new_string = r->description.string;
+
+		if (STRING_CHANGED)
+			pdb_set_acct_desc(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->workstations.string) {
+		old_string = pdb_get_workstations(account);
+		new_string = r->workstations.string;
+
+		if (STRING_CHANGED)
+			pdb_set_workstations(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->profile_path.string) {
+		old_string = pdb_get_profile_path(account);
+		new_string = r->profile_path.string;
+
+		if (STRING_CHANGED)
+			pdb_set_profile_path(account, new_string, PDB_CHANGED);
+	}
+
+	if (r->parameters.string) {
+		DATA_BLOB mung;
+		char *newstr;
+		old_string = pdb_get_munged_dial(account);
+		mung.length = r->parameters.length;
+		mung.data = (uint8 *) r->parameters.string;
+		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) != r->rid)
+		pdb_set_user_sid_from_rid(account, r->rid, PDB_CHANGED);
+	if (pdb_get_group_rid(account) != r->primary_gid)
+		pdb_set_group_sid_from_rid(account, r->primary_gid, PDB_CHANGED);
+
+	/* Logon and password information */
+	if (!nt_time_is_zero(&r->last_logon)) {
+		unix_time = nt_time_to_unix(r->last_logon);
+		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(&r->last_logoff)) {
+		unix_time = nt_time_to_unix(r->last_logoff);
+		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) != r->logon_hours.units_per_week)
+		pdb_set_logon_divs(account, r->logon_hours.units_per_week, PDB_CHANGED);
+
+#if 0
+	/* no idea what to do with this one - gd */
+	/* Max Logon Hours */
+	if (delta->unknown1 != pdb_get_unknown_6(account)) {
+		pdb_set_unknown_6(account, delta->unknown1, PDB_CHANGED);
+	}
+#endif
+	/* Logon Hours Len */
+	if (r->logon_hours.units_per_week/8 != pdb_get_hours_len(account)) {
+		pdb_set_hours_len(account, r->logon_hours.units_per_week/8, PDB_CHANGED);
+	}
+
+	/* Logon Hours */
+	if (r->logon_hours.bits) {
+		char oldstr[44], newstr[44];
+		pdb_sethexhours(oldstr, pdb_get_hours(account));
+		pdb_sethexhours(newstr, r->logon_hours.bits);
+		if (!strequal(oldstr, newstr))
+			pdb_set_hours(account, r->logon_hours.bits, PDB_CHANGED);
+	}
+
+	if (pdb_get_bad_password_count(account) != r->bad_password_count)
+		pdb_set_bad_password_count(account, r->bad_password_count, PDB_CHANGED);
+
+	if (pdb_get_logon_count(account) != r->logon_count)
+		pdb_set_logon_count(account, r->logon_count, PDB_CHANGED);
+
+	if (!nt_time_is_zero(&r->last_password_change)) {
+		unix_time = nt_time_to_unix(r->last_password_change);
+		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 (!nt_time_is_zero(&r->acct_expiry)) {
+		unix_time = nt_time_to_unix(r->acct_expiry);
+		stored_time = pdb_get_kickoff_time(account);
+		if (stored_time != unix_time)
+			pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
+	}
+
+	/* 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(r->ntpassword.hash, zero_buf, 16) != 0) {
+		sam_pwd_hash(r->rid, r->ntpassword.hash, lm_passwd, 0);
+		pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
+	}
+
+	if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
+		sam_pwd_hash(r->rid, r->lmpassword.hash, nt_passwd, 0);
+		pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
+	}
+
+	/* TODO: account expiry time */
+
+	pdb_set_acct_ctrl(account, r->acct_flags, PDB_CHANGED);
+
+	pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS fetch_account_info(uint32_t rid,
+				   struct netr_DELTA_USER *r)
+{
+
+	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, r->account_name.string);
+	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 (r->acct_flags & ACB_NORMAL) {
+			add_script = talloc_strdup(sam_account,
+					lp_adduser_script());
+		} else if ( (r->acct_flags & ACB_WSTRUST) ||
+			    (r->acct_flags & ACB_SVRTRUST) ||
+			    (r->acct_flags & ACB_DOMTRUST) ) {
+			add_script = talloc_strdup(sam_account,
+					lp_addmachine_script());
+		} else {
+			DEBUG(1, ("Unknown user type: %s\n",
+				  pdb_encode_acct_ctrl(r->acct_flags, 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, r->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, r);
+		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, r);
+		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_t rid,
+				 struct netr_DELTA_GROUP *r)
+{
+	fstring name;
+	fstring comment;
+	struct group *grp = NULL;
+	DOM_SID group_sid;
+	fstring sid_string;
+	GROUP_MAP map;
+	bool insert = true;
+
+	fstrcpy(name, r->group_name.string);
+	fstrcpy(comment, r->description.string);
+
+	/* 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 (r->description.string) {
+		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_t rid,
+				     struct netr_DELTA_GROUP_MEMBER *r)
+{
+	int i;
+	TALLOC_CTX *t = NULL;
+	char **nt_members = NULL;
+	char **unix_members;
+	DOM_SID group_sid;
+	GROUP_MAP map;
+	struct group *grp;
+
+	if (r->num_rids == 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 (r->num_rids) {
+		if ((nt_members = TALLOC_ZERO_ARRAY(t, char *, r->num_rids)) == NULL) {
+			DEBUG(0, ("talloc failed\n"));
+			talloc_free(t);
+			return NT_STATUS_NO_MEMORY;
+		}
+	} else {
+		nt_members = NULL;
+	}
+
+	for (i=0; i < r->num_rids; 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, r->rids[i]);
+
+		if (!pdb_getsampwsid(member, &member_sid)) {
+			DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
+				  r->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 < r->num_rids; 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 < r->num_rids; 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_t rid,
+				 struct netr_DELTA_ALIAS *r,
+				 const 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;
+
+	fstrcpy(name, r->alias_name.string);
+	fstrcpy(comment, r->description.string);
+
+	/* 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_t rid,
+				struct netr_DELTA_ALIAS_MEMBER *r,
+				const DOM_SID *dom_sid)
+{
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS fetch_domain_info(uint32_t rid,
+				  struct netr_DELTA_DOMAIN *r)
+{
+	time_t u_max_age, u_min_age, u_logout;
+	NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+	const char *domname;
+	struct netr_AcctLockStr *lockstr = NULL;
+	NTSTATUS status;
+	TALLOC_CTX *mem_ctx = talloc_tos();
+
+	status = pull_netr_AcctLockStr(mem_ctx, &r->account_lockout,
+				       &lockstr);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("failed to pull account lockout string: %s\n",
+			nt_errstr(status));
+	}
+
+	u_max_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->max_password_age);
+	u_min_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->min_password_age);
+	u_logout = uint64s_nt_time_to_unix_abs((uint64 *)&r->force_logoff_time);
+
+	domname = r->domain_name.string;
+	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,
+				    r->password_history_length))
+		return nt_status;
+
+	if (!pdb_set_account_policy(AP_MIN_PASSWORD_LEN,
+				    r->min_password_length))
+		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 (lockstr) {
+		time_t u_lockoutreset, u_lockouttime;
+
+		u_lockoutreset = uint64s_nt_time_to_unix_abs(&lockstr->reset_count);
+		u_lockouttime = uint64s_nt_time_to_unix_abs((uint64_t *)&lockstr->lockout_duration);
+
+		if (!pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
+					    lockstr->bad_attempt_lockout))
+			return nt_status;
+
+		if (!pdb_set_account_policy(AP_RESET_COUNT_TIME, (uint32_t)u_lockoutreset/60))
+			return nt_status;
+
+		if (u_lockouttime != -1)
+			u_lockouttime /= 60;
+
+		if (!pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (uint32_t)u_lockouttime))
+			return nt_status;
+	}
+
+	if (!pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
+				    r->logon_to_chgpass))
+		return nt_status;
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS fetch_sam_entry(TALLOC_CTX *mem_ctx,
+				enum netr_SamDatabaseID database_id,
+				struct netr_DELTA_ENUM *r,
+				struct samsync_context *ctx)
+{
+	switch(r->delta_type) {
+	case NETR_DELTA_USER:
+		fetch_account_info(r->delta_id_union.rid,
+				   r->delta_union.user);
+		break;
+	case NETR_DELTA_GROUP:
+		fetch_group_info(r->delta_id_union.rid,
+				 r->delta_union.group);
+		break;
+	case NETR_DELTA_GROUP_MEMBER:
+		fetch_group_mem_info(r->delta_id_union.rid,
+				     r->delta_union.group_member);
+		break;
+	case NETR_DELTA_ALIAS:
+		fetch_alias_info(r->delta_id_union.rid,
+				 r->delta_union.alias,
+				 ctx->domain_sid);
+		break;
+	case NETR_DELTA_ALIAS_MEMBER:
+		fetch_alias_mem(r->delta_id_union.rid,
+				r->delta_union.alias_member,
+				ctx->domain_sid);
+		break;
+	case NETR_DELTA_DOMAIN:
+		fetch_domain_info(r->delta_id_union.rid,
+				  r->delta_union.domain);
+		break;
+	/* The following types are recognised but not handled */
+	case NETR_DELTA_RENAME_GROUP:
+		d_printf("NETR_DELTA_RENAME_GROUP not handled\n");
+		break;
+	case NETR_DELTA_RENAME_USER:
+		d_printf("NETR_DELTA_RENAME_USER not handled\n");
+		break;
+	case NETR_DELTA_RENAME_ALIAS:
+		d_printf("NETR_DELTA_RENAME_ALIAS not handled\n");
+		break;
+	case NETR_DELTA_POLICY:
+		d_printf("NETR_DELTA_POLICY not handled\n");
+		break;
+	case NETR_DELTA_TRUSTED_DOMAIN:
+		d_printf("NETR_DELTA_TRUSTED_DOMAIN not handled\n");
+		break;
+	case NETR_DELTA_ACCOUNT:
+		d_printf("NETR_DELTA_ACCOUNT not handled\n");
+		break;
+	case NETR_DELTA_SECRET:
+		d_printf("NETR_DELTA_SECRET not handled\n");
+		break;
+	case NETR_DELTA_DELETE_GROUP:
+		d_printf("NETR_DELTA_DELETE_GROUP not handled\n");
+		break;
+	case NETR_DELTA_DELETE_USER:
+		d_printf("NETR_DELTA_DELETE_USER not handled\n");
+		break;
+	case NETR_DELTA_MODIFY_COUNT:
+		d_printf("NETR_DELTA_MODIFY_COUNT not handled\n");
+		break;
+	case NETR_DELTA_DELETE_ALIAS:
+		d_printf("NETR_DELTA_DELETE_ALIAS not handled\n");
+		break;
+	case NETR_DELTA_DELETE_TRUST:
+		d_printf("NETR_DELTA_DELETE_TRUST not handled\n");
+		break;
+	case NETR_DELTA_DELETE_ACCOUNT:
+		d_printf("NETR_DELTA_DELETE_ACCOUNT not handled\n");
+		break;
+	case NETR_DELTA_DELETE_SECRET:
+		d_printf("NETR_DELTA_DELETE_SECRET not handled\n");
+		break;
+	case NETR_DELTA_DELETE_GROUP2:
+		d_printf("NETR_DELTA_DELETE_GROUP2 not handled\n");
+		break;
+	case NETR_DELTA_DELETE_USER2:
+		d_printf("NETR_DELTA_DELETE_USER2 not handled\n");
+		break;
+	default:
+		d_printf("Unknown delta record type %d\n", r->delta_type);
+		break;
+	}
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS fetch_sam_entries(TALLOC_CTX *mem_ctx,
+			   enum netr_SamDatabaseID database_id,
+			   struct netr_DELTA_ENUM_ARRAY *r,
+			   NTSTATUS status,
+			   struct samsync_context *ctx)
+{
+	int i;
+
+	for (i = 0; i < r->num_deltas; i++) {
+		fetch_sam_entry(mem_ctx, database_id, &r->delta_enum[i], ctx);
+	}
+
+	return NT_STATUS_OK;
+}