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samba-mirror/source4/libnet/libnet_unbecome_dc.c
Volker Lendecke 31d1fc0912 cldap: Make cldap_netlogon.out.netlogon a pointer
struct netlogon_samlogon_response has subpointers, this patch enables
a proper talloc hierarchy.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2024-11-11 14:03:03 +00:00

794 lines
22 KiB
C

/*
Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher <metze@samba.org> 2006
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/composite/composite.h"
#include "libcli/cldap/cldap.h"
#include <ldb.h>
#include <ldb_errors.h>
#include "ldb_wrap.h"
#include "dsdb/samdb/samdb.h"
#include "../libds/common/flags.h"
#include "librpc/gen_ndr/ndr_drsuapi_c.h"
#include "param/param.h"
#include "lib/tsocket/tsocket.h"
/*****************************************************************************
* Windows 2003 (w2k3) does the following steps when changing the server role
* from domain controller back to domain member
*
* We mostly do the same.
*****************************************************************************/
/*
* lookup DC:
* - using nbt name<1C> request and a samlogon mailslot request
* or
* - using a DNS SRV _ldap._tcp.dc._msdcs. request and a CLDAP netlogon request
*
* see: unbecomeDC_send_cldap() and unbecomeDC_recv_cldap()
*/
/*
* Open 1st LDAP connection to the DC using admin credentials
*
* see: unbecomeDC_ldap_connect()
*/
/*
* LDAP search 1st LDAP connection:
*
* see: unbecomeDC_ldap_rootdse()
*
* Request:
* basedn: ""
* scope: base
* filter: (objectClass=*)
* attrs: defaultNamingContext
* configurationNamingContext
* Result:
* ""
* defaultNamingContext: <domain_partition>
* configurationNamingContext:CN=Configuration,<domain_partition>
*/
/*
* LDAP search 1st LDAP connection:
*
* see: unbecomeDC_ldap_computer_object()
*
* Request:
* basedn: <domain_partition>
* scope: sub
* filter: (&(|(objectClass=user)(objectClass=computer))(sAMAccountName=<new_dc_account_name>))
* attrs: distinguishedName
* userAccountControl
* Result:
* CN=<new_dc_netbios_name>,CN=Domain Controllers,<domain_partition>
* distinguishedName: CN=<new_dc_netbios_name>,CN=Domain Controllers,<domain_partition>
* userAccoountControl: 532480 <0x82000>
*/
/*
* LDAP search 1st LDAP connection:
*
* see: unbecomeDC_ldap_modify_computer()
*
* Request:
* basedn: CN=<new_dc_netbios_name>,CN=Computers,<domain_partition>
* scope: base
* filter: (objectClass=*)
* attrs: userAccountControl
* Result:
* CN=<new_dc_netbios_name>,CN=Computers,<domain_partition>
* userAccoountControl: 532480 <0x82000>
*/
/*
* LDAP modify 1st LDAP connection:
*
* see: unbecomeDC_ldap_modify_computer()
*
* Request (replace):
* CN=<new_dc_netbios_name>,CN=Computers,<domain_partition>
* userAccoountControl: 4096 <0x1000>
* Result:
* <success>
*/
/*
* LDAP search 1st LDAP connection:
*
* see: unbecomeDC_ldap_move_computer()
*
* Request:
* basedn: <WKGUID=aa312825768811d1aded00c04fd8d5cd,<domain_partition>>
* scope: base
* filter: (objectClass=*)
* attrs: 1.1
* Result:
* CN=Computers,<domain_partition>
*/
/*
* LDAP search 1st LDAP connection:
*
* not implemented because it doesn't give any new information
*
* Request:
* basedn: CN=Computers,<domain_partition>
* scope: base
* filter: (objectClass=*)
* attrs: distinguishedName
* Result:
* CN=Computers,<domain_partition>
* distinguishedName: CN=Computers,<domain_partition>
*/
/*
* LDAP modifyRDN 1st LDAP connection:
*
* see: unbecomeDC_ldap_move_computer()
*
* Request:
* entry: CN=<new_dc_netbios_name>,CN=Domain Controllers,<domain_partition>
* newrdn: CN=<new_dc_netbios_name>
* deleteoldrdn: TRUE
* newparent: CN=Computers,<domain_partition>
* Result:
* <success>
*/
/*
* LDAP unbind on the 1st LDAP connection
*
* not implemented, because it's not needed...
*/
/*
* Open 1st DRSUAPI connection to the DC using admin credentials
* DsBind with DRSUAPI_DS_BIND_GUID ("e24d201a-4fd6-11d1-a3da-0000f875ae0d")
*
* see: unbecomeDC_drsuapi_connect_send(), unbecomeDC_drsuapi_connect_recv(),
* unbecomeDC_drsuapi_bind_send() and unbecomeDC_drsuapi_bind_recv()
*/
/*
* DsRemoveDsServer to remove the
* CN=<machine_name>,CN=Servers,CN=<site_name>,CN=Configuration,<domain_partition>
* and CN=NTDS Settings,CN=<machine_name>,CN=Servers,CN=<site_name>,CN=Configuration,<domain_partition>
* on the 1st DRSUAPI connection
*
* see: unbecomeDC_drsuapi_remove_ds_server_send() and unbecomeDC_drsuapi_remove_ds_server_recv()
*/
/*
* DsUnbind on the 1st DRSUAPI connection
*
* not implemented, because it's not needed...
*/
struct libnet_UnbecomeDC_state {
struct composite_context *creq;
struct libnet_context *libnet;
struct {
struct cldap_socket *sock;
struct cldap_netlogon io;
struct NETLOGON_SAM_LOGON_RESPONSE_EX netlogon;
} cldap;
struct {
struct ldb_context *ldb;
} ldap;
struct {
struct dcerpc_binding *binding;
struct dcerpc_pipe *pipe;
struct dcerpc_binding_handle *drsuapi_handle;
struct drsuapi_DsBind bind_r;
struct GUID bind_guid;
struct drsuapi_DsBindInfoCtr bind_info_ctr;
struct drsuapi_DsBindInfo28 local_info28;
struct drsuapi_DsBindInfo28 remote_info28;
struct policy_handle bind_handle;
struct drsuapi_DsRemoveDSServer rm_ds_srv_r;
} drsuapi;
struct {
/* input */
const char *dns_name;
const char *netbios_name;
/* constructed */
struct GUID guid;
const char *dn_str;
} domain;
struct {
/* constructed */
const char *config_dn_str;
} forest;
struct {
/* input */
const char *address;
/* constructed */
const char *dns_name;
const char *netbios_name;
const char *site_name;
} source_dsa;
struct {
/* input */
const char *netbios_name;
/* constructed */
const char *dns_name;
const char *site_name;
const char *computer_dn_str;
const char *server_dn_str;
uint32_t user_account_control;
} dest_dsa;
};
static void unbecomeDC_recv_cldap(struct tevent_req *req);
static void unbecomeDC_send_cldap(struct libnet_UnbecomeDC_state *s)
{
struct composite_context *c = s->creq;
struct tevent_req *req;
struct tsocket_address *dest_address;
int ret;
s->cldap.io.in.dest_address = NULL;
s->cldap.io.in.dest_port = 0;
s->cldap.io.in.realm = s->domain.dns_name;
s->cldap.io.in.host = s->dest_dsa.netbios_name;
s->cldap.io.in.user = NULL;
s->cldap.io.in.domain_guid = NULL;
s->cldap.io.in.domain_sid = NULL;
s->cldap.io.in.acct_control = -1;
s->cldap.io.in.version = NETLOGON_NT_VERSION_5 | NETLOGON_NT_VERSION_5EX;
ret = tsocket_address_inet_from_strings(s, "ip",
s->source_dsa.address,
lpcfg_cldap_port(s->libnet->lp_ctx),
&dest_address);
if (ret != 0) {
c->status = map_nt_error_from_unix_common(errno);
if (!composite_is_ok(c)) return;
}
c->status = cldap_socket_init(s, NULL, dest_address, &s->cldap.sock);
if (!composite_is_ok(c)) return;
req = cldap_netlogon_send(s, s->libnet->event_ctx,
s->cldap.sock, &s->cldap.io);
if (composite_nomem(req, c)) return;
tevent_req_set_callback(req, unbecomeDC_recv_cldap, s);
}
static void unbecomeDC_connect_ldap(struct libnet_UnbecomeDC_state *s);
static void unbecomeDC_recv_cldap(struct tevent_req *req)
{
struct libnet_UnbecomeDC_state *s = tevent_req_callback_data(req,
struct libnet_UnbecomeDC_state);
struct composite_context *c = s->creq;
c->status = cldap_netlogon_recv(req, s, &s->cldap.io);
talloc_free(req);
if (!composite_is_ok(c)) return;
map_netlogon_samlogon_response(s->cldap.io.out.netlogon);
s->cldap.netlogon = s->cldap.io.out.netlogon->data.nt5_ex;
s->domain.dns_name = s->cldap.netlogon.dns_domain;
s->domain.netbios_name = s->cldap.netlogon.domain_name;
s->domain.guid = s->cldap.netlogon.domain_uuid;
s->source_dsa.dns_name = s->cldap.netlogon.pdc_dns_name;
s->source_dsa.netbios_name = s->cldap.netlogon.pdc_name;
s->source_dsa.site_name = s->cldap.netlogon.server_site;
s->dest_dsa.site_name = s->cldap.netlogon.client_site;
unbecomeDC_connect_ldap(s);
}
static NTSTATUS unbecomeDC_ldap_connect(struct libnet_UnbecomeDC_state *s)
{
char *url;
url = talloc_asprintf(s, "ldap://%s/", s->source_dsa.dns_name);
NT_STATUS_HAVE_NO_MEMORY(url);
s->ldap.ldb = ldb_wrap_connect(s, s->libnet->event_ctx, s->libnet->lp_ctx, url,
NULL,
s->libnet->cred,
0);
talloc_free(url);
if (s->ldap.ldb == NULL) {
return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
}
return NT_STATUS_OK;
}
static NTSTATUS unbecomeDC_ldap_rootdse(struct libnet_UnbecomeDC_state *s)
{
int ret;
struct ldb_result *r;
struct ldb_dn *basedn;
static const char *attrs[] = {
"defaultNamingContext",
"configurationNamingContext",
NULL
};
basedn = ldb_dn_new(s, s->ldap.ldb, NULL);
NT_STATUS_HAVE_NO_MEMORY(basedn);
ret = ldb_search(s->ldap.ldb, s, &r, basedn, LDB_SCOPE_BASE, attrs,
"(objectClass=*)");
talloc_free(basedn);
if (ret != LDB_SUCCESS) {
return NT_STATUS_LDAP(ret);
} else if (r->count != 1) {
talloc_free(r);
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
s->domain.dn_str = ldb_msg_find_attr_as_string(r->msgs[0], "defaultNamingContext", NULL);
if (!s->domain.dn_str) return NT_STATUS_INVALID_NETWORK_RESPONSE;
talloc_steal(s, s->domain.dn_str);
s->forest.config_dn_str = ldb_msg_find_attr_as_string(r->msgs[0], "configurationNamingContext", NULL);
if (!s->forest.config_dn_str) return NT_STATUS_INVALID_NETWORK_RESPONSE;
talloc_steal(s, s->forest.config_dn_str);
s->dest_dsa.server_dn_str = talloc_asprintf(s, "CN=%s,CN=Servers,CN=%s,CN=Sites,%s",
s->dest_dsa.netbios_name,
s->dest_dsa.site_name,
s->forest.config_dn_str);
NT_STATUS_HAVE_NO_MEMORY(s->dest_dsa.server_dn_str);
talloc_free(r);
return NT_STATUS_OK;
}
static NTSTATUS unbecomeDC_ldap_computer_object(struct libnet_UnbecomeDC_state *s)
{
int ret;
struct ldb_result *r;
struct ldb_dn *basedn;
static const char *attrs[] = {
"distinguishedName",
"userAccountControl",
NULL
};
basedn = ldb_dn_new(s, s->ldap.ldb, s->domain.dn_str);
NT_STATUS_HAVE_NO_MEMORY(basedn);
ret = ldb_search(s->ldap.ldb, s, &r, basedn, LDB_SCOPE_SUBTREE, attrs,
"(&(|(objectClass=user)(objectClass=computer))(sAMAccountName=%s$))",
s->dest_dsa.netbios_name);
talloc_free(basedn);
if (ret != LDB_SUCCESS) {
return NT_STATUS_LDAP(ret);
} else if (r->count != 1) {
talloc_free(r);
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
s->dest_dsa.computer_dn_str = ldb_msg_find_attr_as_string(r->msgs[0], "distinguishedName", NULL);
if (!s->dest_dsa.computer_dn_str) return NT_STATUS_INVALID_NETWORK_RESPONSE;
talloc_steal(s, s->dest_dsa.computer_dn_str);
s->dest_dsa.user_account_control = ldb_msg_find_attr_as_uint(r->msgs[0], "userAccountControl", 0);
talloc_free(r);
return NT_STATUS_OK;
}
static NTSTATUS unbecomeDC_ldap_modify_computer(struct libnet_UnbecomeDC_state *s)
{
int ret;
struct ldb_message *msg;
uint32_t user_account_control = UF_WORKSTATION_TRUST_ACCOUNT;
unsigned int i;
/* as the value is already as we want it to be, we're done */
if (s->dest_dsa.user_account_control == user_account_control) {
return NT_STATUS_OK;
}
/* make a 'modify' msg, and only for serverReference */
msg = ldb_msg_new(s);
NT_STATUS_HAVE_NO_MEMORY(msg);
msg->dn = ldb_dn_new(msg, s->ldap.ldb, s->dest_dsa.computer_dn_str);
NT_STATUS_HAVE_NO_MEMORY(msg->dn);
ret = samdb_msg_add_uint(s->ldap.ldb, msg, msg, "userAccountControl",
user_account_control);
if (ret != LDB_SUCCESS) {
talloc_free(msg);
return NT_STATUS_NO_MEMORY;
}
/* mark all the message elements (should be just one)
as LDB_FLAG_MOD_REPLACE */
for (i=0;i<msg->num_elements;i++) {
msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
}
ret = ldb_modify(s->ldap.ldb, msg);
talloc_free(msg);
if (ret != LDB_SUCCESS) {
return NT_STATUS_LDAP(ret);
}
s->dest_dsa.user_account_control = user_account_control;
return NT_STATUS_OK;
}
static NTSTATUS unbecomeDC_ldap_move_computer(struct libnet_UnbecomeDC_state *s)
{
int ret;
struct ldb_result *r;
struct ldb_dn *basedn;
struct ldb_dn *old_dn;
struct ldb_dn *new_dn;
static const char *_1_1_attrs[] = {
"1.1",
NULL
};
basedn = ldb_dn_new_fmt(s, s->ldap.ldb, "<WKGUID=aa312825768811d1aded00c04fd8d5cd,%s>",
s->domain.dn_str);
NT_STATUS_HAVE_NO_MEMORY(basedn);
ret = ldb_search(s->ldap.ldb, s, &r, basedn, LDB_SCOPE_BASE,
_1_1_attrs, "(objectClass=*)");
talloc_free(basedn);
if (ret != LDB_SUCCESS) {
return NT_STATUS_LDAP(ret);
} else if (r->count != 1) {
talloc_free(r);
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
old_dn = ldb_dn_new(r, s->ldap.ldb, s->dest_dsa.computer_dn_str);
NT_STATUS_HAVE_NO_MEMORY(old_dn);
new_dn = r->msgs[0]->dn;
if (!ldb_dn_add_child_fmt(new_dn, "CN=%s", s->dest_dsa.netbios_name)) {
talloc_free(r);
return NT_STATUS_NO_MEMORY;
}
if (ldb_dn_compare(old_dn, new_dn) == 0) {
/* we don't need to rename if the old and new dn match */
talloc_free(r);
return NT_STATUS_OK;
}
ret = ldb_rename(s->ldap.ldb, old_dn, new_dn);
if (ret != LDB_SUCCESS) {
talloc_free(r);
return NT_STATUS_LDAP(ret);
}
s->dest_dsa.computer_dn_str = ldb_dn_alloc_linearized(s, new_dn);
NT_STATUS_HAVE_NO_MEMORY(s->dest_dsa.computer_dn_str);
talloc_free(r);
return NT_STATUS_OK;
}
static void unbecomeDC_drsuapi_connect_send(struct libnet_UnbecomeDC_state *s);
static void unbecomeDC_connect_ldap(struct libnet_UnbecomeDC_state *s)
{
struct composite_context *c = s->creq;
c->status = unbecomeDC_ldap_connect(s);
if (!composite_is_ok(c)) return;
c->status = unbecomeDC_ldap_rootdse(s);
if (!composite_is_ok(c)) return;
c->status = unbecomeDC_ldap_computer_object(s);
if (!composite_is_ok(c)) return;
c->status = unbecomeDC_ldap_modify_computer(s);
if (!composite_is_ok(c)) return;
c->status = unbecomeDC_ldap_move_computer(s);
if (!composite_is_ok(c)) return;
unbecomeDC_drsuapi_connect_send(s);
}
static void unbecomeDC_drsuapi_connect_recv(struct composite_context *creq);
static void unbecomeDC_drsuapi_connect_send(struct libnet_UnbecomeDC_state *s)
{
struct composite_context *c = s->creq;
struct composite_context *creq;
char *binding_str;
binding_str = talloc_asprintf(s, "ncacn_ip_tcp:%s[seal,target_hostname=%s]",
s->source_dsa.address,
s->source_dsa.dns_name);
if (composite_nomem(binding_str, c)) return;
c->status = dcerpc_parse_binding(s, binding_str, &s->drsuapi.binding);
talloc_free(binding_str);
if (!composite_is_ok(c)) return;
if (DEBUGLEVEL >= 10) {
c->status = dcerpc_binding_set_flags(s->drsuapi.binding,
DCERPC_DEBUG_PRINT_BOTH,
0);
if (!composite_is_ok(c)) return;
}
creq = dcerpc_pipe_connect_b_send(s, s->drsuapi.binding, &ndr_table_drsuapi,
s->libnet->cred, s->libnet->event_ctx,
s->libnet->lp_ctx);
composite_continue(c, creq, unbecomeDC_drsuapi_connect_recv, s);
}
static void unbecomeDC_drsuapi_bind_send(struct libnet_UnbecomeDC_state *s);
static void unbecomeDC_drsuapi_connect_recv(struct composite_context *req)
{
struct libnet_UnbecomeDC_state *s = talloc_get_type(req->async.private_data,
struct libnet_UnbecomeDC_state);
struct composite_context *c = s->creq;
c->status = dcerpc_pipe_connect_b_recv(req, s, &s->drsuapi.pipe);
if (!composite_is_ok(c)) return;
s->drsuapi.drsuapi_handle = s->drsuapi.pipe->binding_handle;
unbecomeDC_drsuapi_bind_send(s);
}
static void unbecomeDC_drsuapi_bind_recv(struct tevent_req *subreq);
static void unbecomeDC_drsuapi_bind_send(struct libnet_UnbecomeDC_state *s)
{
struct composite_context *c = s->creq;
struct drsuapi_DsBindInfo28 *bind_info28;
struct tevent_req *subreq;
GUID_from_string(DRSUAPI_DS_BIND_GUID, &s->drsuapi.bind_guid);
bind_info28 = &s->drsuapi.local_info28;
bind_info28->supported_extensions = 0;
bind_info28->site_guid = GUID_zero();
bind_info28->pid = 0;
bind_info28->repl_epoch = 0;
s->drsuapi.bind_info_ctr.length = 28;
s->drsuapi.bind_info_ctr.info.info28 = *bind_info28;
s->drsuapi.bind_r.in.bind_guid = &s->drsuapi.bind_guid;
s->drsuapi.bind_r.in.bind_info = &s->drsuapi.bind_info_ctr;
s->drsuapi.bind_r.out.bind_handle = &s->drsuapi.bind_handle;
subreq = dcerpc_drsuapi_DsBind_r_send(s, c->event_ctx,
s->drsuapi.drsuapi_handle,
&s->drsuapi.bind_r);
if (composite_nomem(subreq, c)) return;
tevent_req_set_callback(subreq, unbecomeDC_drsuapi_bind_recv, s);
}
static void unbecomeDC_drsuapi_remove_ds_server_send(struct libnet_UnbecomeDC_state *s);
static void unbecomeDC_drsuapi_bind_recv(struct tevent_req *subreq)
{
struct libnet_UnbecomeDC_state *s = tevent_req_callback_data(subreq,
struct libnet_UnbecomeDC_state);
struct composite_context *c = s->creq;
c->status = dcerpc_drsuapi_DsBind_r_recv(subreq, s);
TALLOC_FREE(subreq);
if (!composite_is_ok(c)) return;
if (!W_ERROR_IS_OK(s->drsuapi.bind_r.out.result)) {
composite_error(c, werror_to_ntstatus(s->drsuapi.bind_r.out.result));
return;
}
ZERO_STRUCT(s->drsuapi.remote_info28);
if (s->drsuapi.bind_r.out.bind_info) {
switch (s->drsuapi.bind_r.out.bind_info->length) {
case 24: {
struct drsuapi_DsBindInfo24 *info24;
info24 = &s->drsuapi.bind_r.out.bind_info->info.info24;
s->drsuapi.remote_info28.supported_extensions = info24->supported_extensions;
s->drsuapi.remote_info28.site_guid = info24->site_guid;
s->drsuapi.remote_info28.pid = info24->pid;
s->drsuapi.remote_info28.repl_epoch = 0;
break;
}
case 28: {
s->drsuapi.remote_info28 = s->drsuapi.bind_r.out.bind_info->info.info28;
break;
}
case 32: {
struct drsuapi_DsBindInfo32 *info32;
info32 = &s->drsuapi.bind_r.out.bind_info->info.info32;
s->drsuapi.remote_info28.supported_extensions = info32->supported_extensions;
s->drsuapi.remote_info28.site_guid = info32->site_guid;
s->drsuapi.remote_info28.pid = info32->pid;
s->drsuapi.remote_info28.repl_epoch = info32->repl_epoch;
break;
}
case 48: {
struct drsuapi_DsBindInfo48 *info48;
info48 = &s->drsuapi.bind_r.out.bind_info->info.info48;
s->drsuapi.remote_info28.supported_extensions = info48->supported_extensions;
s->drsuapi.remote_info28.site_guid = info48->site_guid;
s->drsuapi.remote_info28.pid = info48->pid;
s->drsuapi.remote_info28.repl_epoch = info48->repl_epoch;
break;
}
case 52: {
struct drsuapi_DsBindInfo52 *info52;
info52 = &s->drsuapi.bind_r.out.bind_info->info.info52;
s->drsuapi.remote_info28.supported_extensions = info52->supported_extensions;
s->drsuapi.remote_info28.site_guid = info52->site_guid;
s->drsuapi.remote_info28.pid = info52->pid;
s->drsuapi.remote_info28.repl_epoch = info52->repl_epoch;
break;
}
default:
DEBUG(1, ("Warning: invalid info length in bind info: %d\n",
s->drsuapi.bind_r.out.bind_info->length));
break;
}
}
unbecomeDC_drsuapi_remove_ds_server_send(s);
}
static void unbecomeDC_drsuapi_remove_ds_server_recv(struct tevent_req *subreq);
static void unbecomeDC_drsuapi_remove_ds_server_send(struct libnet_UnbecomeDC_state *s)
{
struct composite_context *c = s->creq;
struct drsuapi_DsRemoveDSServer *r = &s->drsuapi.rm_ds_srv_r;
struct tevent_req *subreq;
r->in.bind_handle = &s->drsuapi.bind_handle;
r->in.level = 1;
r->in.req = talloc(s, union drsuapi_DsRemoveDSServerRequest);
r->in.req->req1.server_dn = s->dest_dsa.server_dn_str;
r->in.req->req1.domain_dn = s->domain.dn_str;
r->in.req->req1.commit = true;
r->out.level_out = talloc(s, uint32_t);
r->out.res = talloc(s, union drsuapi_DsRemoveDSServerResult);
subreq = dcerpc_drsuapi_DsRemoveDSServer_r_send(s, c->event_ctx,
s->drsuapi.drsuapi_handle,
r);
if (composite_nomem(subreq, c)) return;
tevent_req_set_callback(subreq, unbecomeDC_drsuapi_remove_ds_server_recv, s);
}
static void unbecomeDC_drsuapi_remove_ds_server_recv(struct tevent_req *subreq)
{
struct libnet_UnbecomeDC_state *s = tevent_req_callback_data(subreq,
struct libnet_UnbecomeDC_state);
struct composite_context *c = s->creq;
struct drsuapi_DsRemoveDSServer *r = &s->drsuapi.rm_ds_srv_r;
c->status = dcerpc_drsuapi_DsRemoveDSServer_r_recv(subreq, s);
TALLOC_FREE(subreq);
if (!composite_is_ok(c)) return;
if (!W_ERROR_IS_OK(r->out.result)) {
composite_error(c, werror_to_ntstatus(r->out.result));
return;
}
if (*r->out.level_out != 1) {
composite_error(c, NT_STATUS_INVALID_NETWORK_RESPONSE);
return;
}
composite_done(c);
}
struct composite_context *libnet_UnbecomeDC_send(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_UnbecomeDC *r)
{
struct composite_context *c;
struct libnet_UnbecomeDC_state *s;
char *tmp_name;
c = composite_create(mem_ctx, ctx->event_ctx);
if (c == NULL) return NULL;
s = talloc_zero(c, struct libnet_UnbecomeDC_state);
if (composite_nomem(s, c)) return c;
c->private_data = s;
s->creq = c;
s->libnet = ctx;
/* Domain input */
s->domain.dns_name = talloc_strdup(s, r->in.domain_dns_name);
if (composite_nomem(s->domain.dns_name, c)) return c;
s->domain.netbios_name = talloc_strdup(s, r->in.domain_netbios_name);
if (composite_nomem(s->domain.netbios_name, c)) return c;
/* Source DSA input */
s->source_dsa.address = talloc_strdup(s, r->in.source_dsa_address);
if (composite_nomem(s->source_dsa.address, c)) return c;
/* Destination DSA input */
s->dest_dsa.netbios_name= talloc_strdup(s, r->in.dest_dsa_netbios_name);
if (composite_nomem(s->dest_dsa.netbios_name, c)) return c;
/* Destination DSA dns_name construction */
tmp_name = strlower_talloc(s, s->dest_dsa.netbios_name);
if (composite_nomem(tmp_name, c)) return c;
s->dest_dsa.dns_name = talloc_asprintf_append_buffer(tmp_name, ".%s",
s->domain.dns_name);
if (composite_nomem(s->dest_dsa.dns_name, c)) return c;
unbecomeDC_send_cldap(s);
return c;
}
NTSTATUS libnet_UnbecomeDC_recv(struct composite_context *c, TALLOC_CTX *mem_ctx, struct libnet_UnbecomeDC *r)
{
NTSTATUS status;
status = composite_wait(c);
ZERO_STRUCT(r->out);
talloc_free(c);
return status;
}
NTSTATUS libnet_UnbecomeDC(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_UnbecomeDC *r)
{
NTSTATUS status;
struct composite_context *c;
c = libnet_UnbecomeDC_send(ctx, mem_ctx, r);
status = libnet_UnbecomeDC_recv(c, mem_ctx, r);
return status;
}