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libnet_samsync_ldb.c
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libnet_samsync_ldb.c
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/*
Unix SMB/CIFS implementation.
Extract the user/system database from a remote SamSync server
Copyright (C) Andrew Bartlett <[email protected]> 2004-2005
Copyright (C) Andrew Tridgell 2004
Copyright (C) Volker Lendecke 2004
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"
#include "libcli/ldap/ldap_ndr.h"
#include "dsdb/samdb/samdb.h"
#include "auth/auth.h"
#include "../lib/util/util_ldb.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "ldb_wrap.h"
#include "libcli/security/security.h"
#include "param/param.h"
struct samsync_ldb_secret {
struct samsync_ldb_secret *prev, *next;
DATA_BLOB secret;
char *name;
NTTIME mtime;
};
struct samsync_ldb_trusted_domain {
struct samsync_ldb_trusted_domain *prev, *next;
struct dom_sid *sid;
char *name;
};
struct samsync_ldb_state {
/* Values from the LSA lookup */
const struct libnet_SamSync_state *samsync_state;
struct dom_sid *dom_sid[3];
struct ldb_context *sam_ldb, *remote_ldb, *pdb;
struct ldb_dn *base_dn[3];
struct samsync_ldb_secret *secrets;
struct samsync_ldb_trusted_domain *trusted_domains;
};
/* This wrapper is needed for the "ADD_OR_DEL" macros */
static int samdb_msg_add_string(struct ldb_context *sam_ldb,
TALLOC_CTX *mem_ctx, struct ldb_message *msg,
const char *attr_name, const char *str)
{
return ldb_msg_add_string(msg, attr_name, str);
}
static NTSTATUS samsync_ldb_add_foreignSecurityPrincipal(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
struct dom_sid *sid,
struct ldb_dn **fsp_dn,
char **error_string)
{
const char *sidstr = dom_sid_string(mem_ctx, sid);
/* We assume that ForeignSecurityPrincipals are under the BASEDN of the main domain */
struct ldb_dn *basedn = samdb_search_dn(state->sam_ldb, mem_ctx,
state->base_dn[SAM_DATABASE_DOMAIN],
"(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
struct ldb_message *msg;
int ret;
if (!sidstr) {
return NT_STATUS_NO_MEMORY;
}
if (basedn == NULL) {
*error_string = talloc_asprintf(mem_ctx,
"Failed to find DN for "
"ForeignSecurityPrincipal container under %s",
ldb_dn_get_linearized(state->base_dn[SAM_DATABASE_DOMAIN]));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* add core elements to the ldb_message for the alias */
msg->dn = basedn;
if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
return NT_STATUS_UNSUCCESSFUL;
ldb_msg_add_string(msg, "objectClass", "foreignSecurityPrincipal");
*fsp_dn = msg->dn;
/* create the alias */
ret = ldb_add(state->sam_ldb, msg);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to create foreignSecurityPrincipal "
"record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_domain(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
struct netr_DELTA_DOMAIN *domain = delta->delta_union.domain;
const char *domain_name = domain->domain_name.string;
struct ldb_message *msg;
int ret;
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
if (database == SAM_DATABASE_DOMAIN) {
struct ldb_dn *partitions_basedn;
const char *domain_attrs[] = {"nETBIOSName", "nCName", NULL};
struct ldb_message **msgs_domain;
int ret_domain;
partitions_basedn = samdb_partitions_dn(state->sam_ldb, mem_ctx);
ret_domain = gendb_search(state->sam_ldb, mem_ctx, partitions_basedn, &msgs_domain, domain_attrs,
"(&(&(nETBIOSName=%s)(objectclass=crossRef))(ncName=*))",
domain_name);
if (ret_domain == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search for domain failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
if (ret_domain != 1) {
*error_string = talloc_asprintf(mem_ctx, "Failed to find existing domain record for %s: %d results", domain_name,
ret_domain);
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->base_dn[database] = samdb_result_dn(state->sam_ldb, state, msgs_domain[0], "nCName", NULL);
if (state->dom_sid[database]) {
/* Update the domain sid with the incoming
* domain (found on LSA pipe, database sid may
* be random) */
ret = samdb_msg_add_dom_sid(state->sam_ldb,
mem_ctx,
msg,
"objectSid",
state->dom_sid[database]);
if (ret != LDB_SUCCESS) {
return NT_STATUS_INTERNAL_ERROR;
}
} else {
/* Well, we will have to use the one from the database */
state->dom_sid[database] = samdb_search_dom_sid(state->sam_ldb, state,
state->base_dn[database],
"objectSid", NULL);
if (state->dom_sid[database] == NULL) {
return NT_STATUS_INTERNAL_ERROR;
}
}
if (state->samsync_state->domain_guid) {
struct ldb_val v;
NTSTATUS status;
status = GUID_to_ndr_blob(state->samsync_state->domain_guid, msg, &v);
if (!NT_STATUS_IS_OK(status)) {
*error_string = talloc_asprintf(mem_ctx, "ndr_push of domain GUID failed!");
return status;
}
ret = ldb_msg_add_value(msg, "objectGUID", &v, NULL);
if (ret != LDB_SUCCESS) {
return NT_STATUS_INTERNAL_ERROR;
}
}
} else if (database == SAM_DATABASE_BUILTIN) {
/* work out the builtin_dn - useful for so many calls its worth
fetching here */
const char *dnstring = samdb_search_string(state->sam_ldb, mem_ctx, NULL,
"distinguishedName", "objectClass=builtinDomain");
state->base_dn[database] = ldb_dn_new(state, state->sam_ldb, dnstring);
if ( ! ldb_dn_validate(state->base_dn[database])) {
return NT_STATUS_INTERNAL_ERROR;
}
} else {
/* PRIVs DB */
return NT_STATUS_INVALID_PARAMETER;
}
msg->dn = talloc_reference(mem_ctx, state->base_dn[database]);
if (!msg->dn) {
return NT_STATUS_NO_MEMORY;
}
ldb_msg_add_string(msg, "oEMInformation",
domain->oem_information.string);
samdb_msg_add_int64(state->sam_ldb, mem_ctx,
msg, "forceLogoff", domain->force_logoff_time);
samdb_msg_add_uint(state->sam_ldb, mem_ctx,
msg, "minPwdLen", domain->min_password_length);
samdb_msg_add_int64(state->sam_ldb, mem_ctx,
msg, "maxPwdAge", domain->max_password_age);
samdb_msg_add_int64(state->sam_ldb, mem_ctx,
msg, "minPwdAge", domain->min_password_age);
samdb_msg_add_uint(state->sam_ldb, mem_ctx,
msg, "pwdHistoryLength", domain->password_history_length);
samdb_msg_add_uint64(state->sam_ldb, mem_ctx,
msg, "modifiedCount",
domain->sequence_num);
samdb_msg_add_uint64(state->sam_ldb, mem_ctx,
msg, "creationTime", domain->domain_create_time);
/* TODO: Account lockout, password properties */
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx,
"Failed to modify domain record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_user(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_USER *user = delta->delta_union.user;
const char *container, *obj_class;
char *cn_name;
int cn_name_len;
const struct dom_sid *user_sid;
struct ldb_message *msg;
struct ldb_message **msgs;
struct ldb_message **remote_msgs = NULL;
unsigned int i;
int ret;
uint32_t acb;
bool add = false;
const char *attrs[] = { NULL };
/* we may change this to a global search, then fill in only the things not in ldap later */
const char *remote_attrs[] = { "userPrincipalName", "servicePrincipalName",
"msDS-KeyVersionNumber", "objectGUID", NULL};
user_sid = dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid);
if (!user_sid) {
return NT_STATUS_NO_MEMORY;
}
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
msg->dn = NULL;
/* search for the user, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database],
&msgs, attrs, "(&(objectClass=user)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "LDB for user %s failed: %s",
dom_sid_string(mem_ctx, user_sid),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
add = true;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one user with SID: %s in local LDB",
dom_sid_string(mem_ctx, user_sid));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = msgs[0]->dn;
talloc_steal(msg, msgs[0]->dn);
}
/* and do the same on the remote database */
if (state->remote_ldb) {
ret = gendb_search(state->remote_ldb, mem_ctx, state->base_dn[database],
&remote_msgs, remote_attrs, "(&(objectClass=user)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "remote LDAP for user %s failed: %s",
dom_sid_string(mem_ctx, user_sid),
ldb_errstring(state->remote_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
*error_string = talloc_asprintf(mem_ctx, "User exists in samsync but not in remote LDAP domain! (base: %s, SID: %s)",
ldb_dn_get_linearized(state->base_dn[database]),
dom_sid_string(mem_ctx, user_sid));
return NT_STATUS_NO_SUCH_USER;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one user in remote LDAP domain with SID: %s",
dom_sid_string(mem_ctx, user_sid));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
/* Try to put things in the same location as the remote server */
} else if (add) {
msg->dn = talloc_steal(msg, remote_msgs[0]->dn);
}
}
cn_name = talloc_strdup(mem_ctx, user->account_name.string);
NT_STATUS_HAVE_NO_MEMORY(cn_name);
cn_name_len = strlen(cn_name);
#define ADD_OR_DEL(type, attrib, field) do { \
if (user->field) { \
samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
attrib, user->field); \
} else if (!add) { \
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
attrib); \
} \
} while (0);
ADD_OR_DEL(string, "samAccountName", account_name.string);
ADD_OR_DEL(string, "displayName", full_name.string);
if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
"objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
return NT_STATUS_NO_MEMORY;
}
ADD_OR_DEL(uint, "primaryGroupID", primary_gid);
ADD_OR_DEL(string, "homeDirectory", home_directory.string);
ADD_OR_DEL(string, "homeDrive", home_drive.string);
ADD_OR_DEL(string, "scriptPath", logon_script.string);
ADD_OR_DEL(string, "description", description.string);
ADD_OR_DEL(string, "userWorkstations", workstations.string);
ADD_OR_DEL(uint64, "lastLogon", last_logon);
ADD_OR_DEL(uint64, "lastLogoff", last_logoff);
if (samdb_msg_add_logon_hours(state->sam_ldb, mem_ctx, msg, "logonHours", &user->logon_hours) != 0) {
return NT_STATUS_NO_MEMORY;
}
ADD_OR_DEL(uint, "badPwdCount", bad_password_count);
ADD_OR_DEL(uint, "logonCount", logon_count);
ADD_OR_DEL(uint64, "pwdLastSet", last_password_change);
ADD_OR_DEL(uint64, "accountExpires", acct_expiry);
if (samdb_msg_add_acct_flags(state->sam_ldb, mem_ctx, msg,
"userAccountControl", user->acct_flags) != 0) {
return NT_STATUS_NO_MEMORY;
}
if (user->lm_password_present) {
samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,
"dBCSPwd", &user->lmpassword);
} else if (!add) {
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
"dBCSPwd");
}
if (user->nt_password_present) {
samdb_msg_add_hash(state->sam_ldb, mem_ctx, msg,
"unicodePwd", &user->ntpassword);
} else if (!add) {
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
"unicodePwd");
}
ADD_OR_DEL(string, "comment", comment.string);
if (samdb_msg_add_parameters(state->sam_ldb, mem_ctx, msg, "userParameters", &user->parameters) != 0) {
return NT_STATUS_NO_MEMORY;
}
ADD_OR_DEL(uint, "countryCode", country_code);
ADD_OR_DEL(uint, "codePage", code_page);
ADD_OR_DEL(string, "profilePath", profile_path.string);
#undef ADD_OR_DEL
for (i=0; remote_attrs[i]; i++) {
struct ldb_message_element *el = ldb_msg_find_element(remote_msgs[0], remote_attrs[i]);
if (!el) {
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg,
remote_attrs[i]);
} else {
ldb_msg_add(msg, el, LDB_FLAG_MOD_REPLACE);
}
}
acb = user->acct_flags;
if (acb & (ACB_WSTRUST)) {
cn_name[cn_name_len - 1] = '\0';
container = "Computers";
obj_class = "computer";
} else if (acb & ACB_SVRTRUST) {
if (cn_name[cn_name_len - 1] != '$') {
return NT_STATUS_FOOBAR;
}
cn_name[cn_name_len - 1] = '\0';
container = "Domain Controllers";
obj_class = "computer";
} else {
container = "Users";
obj_class = "user";
}
if (add) {
ldb_msg_add_string(msg, "objectClass", obj_class);
if (!msg->dn) {
msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
if (!msg->dn) {
return NT_STATUS_NO_MEMORY;
}
}
ret = ldb_add(state->sam_ldb, msg);
if (ret != LDB_SUCCESS) {
struct ldb_dn *first_try_dn = msg->dn;
/* Try again with the default DN */
if (!remote_msgs) {
*error_string = talloc_asprintf(mem_ctx, "Failed to create user record. Tried %s: %s",
ldb_dn_get_linearized(first_try_dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = talloc_steal(msg, remote_msgs[0]->dn);
ret = ldb_add(state->sam_ldb, msg);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to create user record. Tried both %s and %s: %s",
ldb_dn_get_linearized(first_try_dn),
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
}
}
} else {
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to modify user record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_delete_user(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct ldb_message **msgs;
int ret;
const char *attrs[] = { NULL };
/* search for the user, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database],
&msgs, attrs, "(&(objectClass=user)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_USER;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one user with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to delete user record %s: %s",
ldb_dn_get_linearized(msgs[0]->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_group(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_GROUP *group = delta->delta_union.group;
const char *container, *obj_class;
const char *cn_name;
struct ldb_message *msg;
struct ldb_message **msgs;
int ret;
bool add = false;
const char *attrs[] = { NULL };
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* search for the group, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
add = true;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = talloc_steal(msg, msgs[0]->dn);
}
cn_name = group->group_name.string;
#define ADD_OR_DEL(type, attrib, field) do { \
if (group->field) { \
samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
attrib, group->field); \
} else if (!add) { \
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
attrib); \
} \
} while (0);
ADD_OR_DEL(string, "samAccountName", group_name.string);
if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
"objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
return NT_STATUS_NO_MEMORY;
}
ADD_OR_DEL(string, "description", description.string);
#undef ADD_OR_DEL
container = "Users";
obj_class = "group";
if (add) {
ldb_msg_add_string(msg, "objectClass", obj_class);
msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
if (!msg->dn) {
return NT_STATUS_NO_MEMORY;
}
ret = ldb_add(state->sam_ldb, msg);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to create group record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
} else {
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_delete_group(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct ldb_message **msgs;
int ret;
const char *attrs[] = { NULL };
/* search for the group, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_GROUP;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to delete group record %s: %s",
ldb_dn_get_linearized(msgs[0]->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_group_member(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_GROUP_MEMBER *delta_group_member = delta->delta_union.group_member;
struct ldb_message *msg;
struct ldb_message **msgs;
int ret;
const char *attrs[] = { NULL };
const char *str_dn;
uint32_t i;
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* search for the group, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_GROUP;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = talloc_steal(msg, msgs[0]->dn);
}
talloc_free(msgs);
for (i=0; i<delta_group_member->num_rids; i++) {
/* search for the group, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=user)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], delta_group_member->rids[i])));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_USER;
} else if (ret > 1) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
str_dn = ldb_dn_alloc_linearized(msg, msgs[0]->dn);
NT_STATUS_HAVE_NO_MEMORY(str_dn);
ret = ldb_msg_add_string(msg, "member", str_dn);
if (ret != LDB_SUCCESS) return NT_STATUS_NO_MEMORY;
}
talloc_free(msgs);
}
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_alias(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_ALIAS *alias = delta->delta_union.alias;
const char *container, *obj_class;
const char *cn_name;
struct ldb_message *msg;
struct ldb_message **msgs;
int ret;
bool add = false;
const char *attrs[] = { NULL };
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* search for the alias, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
add = true;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = talloc_steal(mem_ctx, msgs[0]->dn);
}
cn_name = alias->alias_name.string;
#define ADD_OR_DEL(type, attrib, field) do { \
if (alias->field) { \
samdb_msg_add_ ## type(state->sam_ldb, mem_ctx, msg, \
attrib, alias->field); \
} else if (!add) { \
samdb_msg_add_delete(state->sam_ldb, mem_ctx, msg, \
attrib); \
} \
} while (0);
ADD_OR_DEL(string, "samAccountName", alias_name.string);
if (samdb_msg_add_dom_sid(state->sam_ldb, mem_ctx, msg,
"objectSid", dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid))) {
return NT_STATUS_NO_MEMORY;
}
ADD_OR_DEL(string, "description", description.string);
#undef ADD_OR_DEL
samdb_msg_add_uint(state->sam_ldb, mem_ctx, msg, "groupType", 0x80000004);
container = "Users";
obj_class = "group";
if (add) {
ldb_msg_add_string(msg, "objectClass", obj_class);
msg->dn = ldb_dn_copy(mem_ctx, state->base_dn[database]);
ldb_dn_add_child_fmt(msg->dn, "CN=%s,CN=%s", cn_name, container);
if (!msg->dn) {
return NT_STATUS_NO_MEMORY;
}
ret = ldb_add(state->sam_ldb, msg);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to create alias record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
} else {
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to modify alias record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_delete_alias(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct ldb_message **msgs;
int ret;
const char *attrs[] = { NULL };
/* search for the alias, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_ALIAS;
} else if (ret > 1) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
ret = ldb_delete(state->sam_ldb, msgs[0]->dn);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to delete alias record %s: %s",
ldb_dn_get_linearized(msgs[0]->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_alias_member(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_ALIAS_MEMBER *alias_member = delta->delta_union.alias_member;
struct ldb_message *msg;
struct ldb_message **msgs;
int ret;
const char *attrs[] = { NULL };
uint32_t i;
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* search for the alias, by rid */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[database], &msgs, attrs,
"(&(objectClass=group)(objectSid=%s))",
ldap_encode_ndr_dom_sid(mem_ctx, dom_sid_add_rid(mem_ctx, state->dom_sid[database], rid)));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
return NT_STATUS_NO_SUCH_GROUP;
} else if (ret > 1) {
*error_string = talloc_asprintf(mem_ctx, "More than one group/alias with SID: %s",
dom_sid_string(mem_ctx,
dom_sid_add_rid(mem_ctx,
state->dom_sid[database],
rid)));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
msg->dn = talloc_steal(msg, msgs[0]->dn);
}
talloc_free(msgs);
for (i=0; i<alias_member->sids.num_sids; i++) {
struct ldb_dn *alias_member_dn;
const char *str_dn;
/* search for members, in the top basedn (normal users are builtin aliases) */
ret = gendb_search(state->sam_ldb, mem_ctx, state->base_dn[SAM_DATABASE_DOMAIN], &msgs, attrs,
"(objectSid=%s)",
ldap_encode_ndr_dom_sid(mem_ctx, alias_member->sids.sids[i].sid));
if (ret == -1) {
*error_string = talloc_asprintf(mem_ctx, "gendb_search failed: %s", ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else if (ret == 0) {
NTSTATUS nt_status;
nt_status = samsync_ldb_add_foreignSecurityPrincipal(mem_ctx, state,
alias_member->sids.sids[i].sid,
&alias_member_dn,
error_string);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
} else if (ret > 1) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
} else {
alias_member_dn = msgs[0]->dn;
}
str_dn = ldb_dn_alloc_linearized(msg, alias_member_dn);
NT_STATUS_HAVE_NO_MEMORY(str_dn);
ret = ldb_msg_add_string(msg, "member", str_dn);
if (ret != LDB_SUCCESS) return NT_STATUS_NO_MEMORY;
talloc_free(msgs);
}
ret = dsdb_replace(state->sam_ldb, msg, 0);
if (ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(mem_ctx, "Failed to modify group record %s: %s",
ldb_dn_get_linearized(msg->dn),
ldb_errstring(state->sam_ldb));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
return NT_STATUS_OK;
}
static NTSTATUS samsync_ldb_handle_account(TALLOC_CTX *mem_ctx,
struct samsync_ldb_state *state,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
struct dom_sid *sid = delta->delta_id_union.sid;
struct netr_DELTA_ACCOUNT *account = delta->delta_union.account;
struct ldb_message *msg;
int ret;
uint32_t i;
char *dnstr, *sidstr;
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
sidstr = dom_sid_string(msg, sid);
if (sidstr == NULL) {
TALLOC_FREE(msg);
return NT_STATUS_NO_MEMORY;
}
dnstr = talloc_asprintf(msg, "sid=%s", sidstr);
if (dnstr == NULL) {
TALLOC_FREE(msg);
return NT_STATUS_NO_MEMORY;
}
msg->dn = ldb_dn_new(msg, state->pdb, dnstr);
if (msg->dn == NULL) {
TALLOC_FREE(msg);
return NT_STATUS_NO_MEMORY;
}
for (i=0; i< account->privilege_entries; i++) {
ldb_msg_add_string(msg, "privilege", account->privilege_name[i].string);
}
ret = dsdb_replace(state->pdb, msg, 0);