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/*
Unix SMB/CIFS implementation.
utility code to join/leave a domain
Copyright (C) Andrew Tridgell 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 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
this code is used by other torture modules to join/leave a domain
as either a member, bdc or thru a trust relationship
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_samr.h"
struct test_join {
struct dcerpc_pipe *p;
const char *machine_password;
struct policy_handle user_handle;
};
static NTSTATUS DeleteUser_byname(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
struct policy_handle *handle, const char *name)
{
NTSTATUS status;
struct samr_DeleteUser d;
struct policy_handle user_handle;
uint32_t rid;
struct samr_LookupNames n;
struct samr_Name sname;
struct samr_OpenUser r;
sname.name = name;
n.in.domain_handle = handle;
n.in.num_names = 1;
n.in.names = &sname;
status = dcerpc_samr_LookupNames(p, mem_ctx, &n);
if (NT_STATUS_IS_OK(status)) {
rid = n.out.rids.ids[0];
} else {
return status;
}
r.in.domain_handle = handle;
r.in.access_mask = SEC_RIGHTS_MAXIMUM_ALLOWED;
r.in.rid = rid;
r.out.user_handle = &user_handle;
status = dcerpc_samr_OpenUser(p, mem_ctx, &r);
if (!NT_STATUS_IS_OK(status)) {
printf("OpenUser(%s) failed - %s\n", name, nt_errstr(status));
return status;
}
d.in.user_handle = &user_handle;
d.out.user_handle = &user_handle;
status = dcerpc_samr_DeleteUser(p, mem_ctx, &d);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return NT_STATUS_OK;
}
/*
join the domain as a test machine
an opaque pointer is returned. Pass it to torture_leave_domain()
when finished
*/
struct test_join *torture_join_domain(const char *machine_name,
const char *domain,
uint16 acct_flags,
const char **machine_password)
{
NTSTATUS status;
struct samr_Connect c;
struct samr_CreateUser2 r;
struct samr_OpenDomain o;
struct samr_LookupDomain l;
struct samr_GetUserPwInfo pwp;
struct samr_SetUserInfo s;
union samr_UserInfo u;
struct policy_handle handle;
struct policy_handle domain_handle;
uint32_t access_granted;
uint32_t rid;
DATA_BLOB session_key;
struct samr_Name name;
int policy_min_pw_len = 0;
struct test_join *join;
join = talloc_p(NULL, struct test_join);
if (join == NULL) {
return NULL;
}
ZERO_STRUCTP(join);
printf("Connecting to SAMR\n");
status = torture_rpc_connection(&join->p,
DCERPC_SAMR_NAME,
DCERPC_SAMR_UUID,
DCERPC_SAMR_VERSION);
if (!NT_STATUS_IS_OK(status)) {
goto failed;
}
c.in.system_name = NULL;
c.in.access_mask = SEC_RIGHTS_MAXIMUM_ALLOWED;
c.out.connect_handle = &handle;
status = dcerpc_samr_Connect(join->p, join, &c);
if (!NT_STATUS_IS_OK(status)) {
const char *errstr = nt_errstr(status);
if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
errstr = dcerpc_errstr(join, join->p->last_fault_code);
}
printf("samr_Connect failed - %s\n", errstr);
goto failed;
}
printf("Opening domain %s\n", domain);
name.name = domain;
l.in.connect_handle = &handle;
l.in.domain = &name;
status = dcerpc_samr_LookupDomain(join->p, join, &l);
if (!NT_STATUS_IS_OK(status)) {
printf("LookupDomain failed - %s\n", nt_errstr(status));
goto failed;
}
o.in.connect_handle = &handle;
o.in.access_mask = SEC_RIGHTS_MAXIMUM_ALLOWED;
o.in.sid = l.out.sid;
o.out.domain_handle = &domain_handle;
status = dcerpc_samr_OpenDomain(join->p, join, &o);
if (!NT_STATUS_IS_OK(status)) {
printf("OpenDomain failed - %s\n", nt_errstr(status));
goto failed;
}
printf("Creating machine account %s\n", machine_name);
again:
name.name = talloc_asprintf(join, "%s$", machine_name);
r.in.domain_handle = &domain_handle;
r.in.account_name = &name;
r.in.acct_flags = acct_flags;
r.in.access_mask = SEC_RIGHTS_MAXIMUM_ALLOWED;
r.out.user_handle = &join->user_handle;
r.out.access_granted = &access_granted;
r.out.rid = &rid;
status = dcerpc_samr_CreateUser2(join->p, join, &r);
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
status = DeleteUser_byname(join->p, join, &domain_handle, name.name);
if (NT_STATUS_IS_OK(status)) {
goto again;
}
}
if (!NT_STATUS_IS_OK(status)) {
printf("CreateUser2 failed - %s\n", nt_errstr(status));
goto failed;
}
pwp.in.user_handle = &join->user_handle;
status = dcerpc_samr_GetUserPwInfo(join->p, join, &pwp);
if (NT_STATUS_IS_OK(status)) {
policy_min_pw_len = pwp.out.info.min_password_len;
}
join->machine_password = generate_random_str(join, MAX(8, policy_min_pw_len));
printf("Setting machine account password '%s'\n", join->machine_password);
s.in.user_handle = &join->user_handle;
s.in.info = &u;
s.in.level = 24;
encode_pw_buffer(u.info24.password.data, join->machine_password, STR_UNICODE);
u.info24.pw_len = strlen(join->machine_password);
status = dcerpc_fetch_session_key(join->p, &session_key);
if (!NT_STATUS_IS_OK(status)) {
printf("SetUserInfo level %u - no session key - %s\n",
s.in.level, nt_errstr(status));
torture_leave_domain(join);
goto failed;
}
arcfour_crypt_blob(u.info24.password.data, 516, &session_key);
status = dcerpc_samr_SetUserInfo(join->p, join, &s);
if (!NT_STATUS_IS_OK(status)) {
printf("SetUserInfo failed - %s\n", nt_errstr(status));
goto failed;
}
s.in.user_handle = &join->user_handle;
s.in.info = &u;
s.in.level = 16;
u.info16.acct_flags = acct_flags;
printf("Resetting ACB flags\n");
status = dcerpc_samr_SetUserInfo(join->p, join, &s);
if (!NT_STATUS_IS_OK(status)) {
printf("SetUserInfo failed - %s\n", nt_errstr(status));
goto failed;
}
if (machine_password) {
*machine_password = join->machine_password;
}
return join;
failed:
torture_leave_domain(join);
return NULL;
}
/*
leave the domain, deleting the machine acct
*/
void torture_leave_domain(struct test_join *join)
{
struct samr_DeleteUser d;
NTSTATUS status;
if (!uuid_all_zero(&join->user_handle.uuid)) {
d.in.user_handle = &join->user_handle;
d.out.user_handle = &join->user_handle;
status = dcerpc_samr_DeleteUser(join->p, join, &d);
if (!NT_STATUS_IS_OK(status)) {
printf("Delete of machine account failed\n");
}
}
if (join->p) {
torture_rpc_close(join->p);
}
talloc_free(join);
}
struct test_join_ads_dc {
struct test_join *join;
};
struct test_join_ads_dc *torture_join_domain_ads_dc(const char *machine_name,
const char *domain,
const char **machine_password)
{
struct test_join_ads_dc *join;
join = talloc_p(NULL, struct test_join_ads_dc);
if (join == NULL) {
return NULL;
}
join->join = torture_join_domain(machine_name, domain,
ACB_SVRTRUST,
machine_password);
if (!join->join) {
return NULL;
}
/* do netlogon DrsEnumerateDomainTrusts */
/* modify userAccountControl from 4096 to 532480 */
/* modify RDN to OU=Domain Controllers and skip the $ from server name */
/* ask objectVersion of Schema Partition */
/* ask rIDManagerReferenz of the Domain Partition */
/* ask fsMORoleOwner of the RID-Manager$ object
* returns CN=NTDS Settings,CN=<DC>,CN=Servers,CN=Default-First-Site-Name, ...
*/
/* ask for dnsHostName of CN=<DC>,CN=Servers,CN=Default-First-Site-Name, ... */
/* ask for objectGUID of CN=NTDS Settings,CN=<DC>,CN=Servers,CN=Default-First-Site-Name, ... */
/* ask for * of CN=Default-First-Site-Name, ... */
/* search (&(|(objectClass=user)(objectClass=computer))(sAMAccountName=<machine_name>$)) in Domain Partition
* attributes : distinguishedName, userAccountControl
*/
/* ask * for CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name,...
* should fail with noSuchObject
*/
/* add CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name,...
*
* objectClass = server
* systemFlags = 50000000
* serverReferenz = CN=<machine_name>,OU=Domain Controllers,...
*/
/* ask for * of CN=NTDS Settings,CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name, ...
* should fail with noSuchObject
*/
/* search for (ncname=<domain_nc>) in CN=Partitions,CN=Configuration,...
* attributes: ncName, dnsRoot
*/
/* modify add CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name,...
* serverReferenz = CN=<machine_name>,OU=Domain Controllers,...
* should fail with attributeOrValueExists
*/
/* modify replace CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name,...
* serverReferenz = CN=<machine_name>,OU=Domain Controllers,...
*/
/* DsReplicaAdd to create the CN=NTDS Settings,CN=<machine_name>,CN=Servers,CN=Default-First-Site-Name, ...
* needs to be tested
*/
return join;
}
void torture_leave_domain_ads_dc(struct test_join_ads_dc *join)
{
if (join->join) {
torture_leave_domain(join->join);
}
talloc_free(join);
}
|