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samba-mirror/source3/libnet/libnet_join.c
Günther Deschner 3783e6af8a Use rpccli_lsa_QueryInfoPolicy2 in libnet join.
Guenther
(This used to be commit ddc2fc16bf)
2008-02-08 10:16:00 +01:00

1432 lines
34 KiB
C

/*
* Unix SMB/CIFS implementation.
* libnet Join Support
* Copyright (C) Gerald (Jerry) Carter 2006
* Copyright (C) Guenther Deschner 2007-2008
*
* 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"
/****************************************************************
****************************************************************/
#define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
do { \
char *str = NULL; \
str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
DEBUG(1,("libnet_Join:\n%s", str)); \
talloc_free(str); \
} while (0)
#define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
#define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
#define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
do { \
char *str = NULL; \
str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
DEBUG(1,("libnet_Unjoin:\n%s", str)); \
talloc_free(str); \
} while (0)
#define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
#define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
static void init_lsa_String(struct lsa_String *name, const char *s)
{
name->string = s;
}
/****************************************************************
****************************************************************/
static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r,
const char *format, ...)
{
va_list args;
if (r->out.error_string) {
return;
}
va_start(args, format);
r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
va_end(args);
}
/****************************************************************
****************************************************************/
static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r,
const char *format, ...)
{
va_list args;
if (r->out.error_string) {
return;
}
va_start(args, format);
r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
va_end(args);
}
#ifdef WITH_ADS
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
const char *netbios_domain_name,
const char *dc_name,
const char *user_name,
const char *password,
ADS_STRUCT **ads)
{
ADS_STATUS status;
ADS_STRUCT *my_ads = NULL;
my_ads = ads_init(dns_domain_name,
netbios_domain_name,
dc_name);
if (!my_ads) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
if (user_name) {
SAFE_FREE(my_ads->auth.user_name);
my_ads->auth.user_name = SMB_STRDUP(user_name);
}
if (password) {
SAFE_FREE(my_ads->auth.password);
my_ads->auth.password = SMB_STRDUP(password);
}
status = ads_connect(my_ads);
if (!ADS_ERR_OK(status)) {
ads_destroy(&my_ads);
return status;
}
*ads = my_ads;
return ADS_SUCCESS;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
status = libnet_connect_ads(r->in.domain_name,
r->in.domain_name,
r->in.dc_name,
r->in.admin_account,
r->in.admin_password,
&r->in.ads);
if (!ADS_ERR_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to connect to AD: %s",
ads_errstr(status));
}
return status;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
ADS_STATUS status;
status = libnet_connect_ads(r->in.domain_name,
r->in.domain_name,
r->in.dc_name,
r->in.admin_account,
r->in.admin_password,
&r->in.ads);
if (!ADS_ERR_OK(status)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"failed to connect to AD: %s",
ads_errstr(status));
}
return status;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
LDAPMessage *res = NULL;
const char *attrs[] = { "dn", NULL };
status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
if (!ADS_ERR_OK(status)) {
return status;
}
if (ads_count_replies(r->in.ads, res) != 1) {
ads_msgfree(r->in.ads, res);
return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
}
status = ads_create_machine_acct(r->in.ads,
r->in.machine_name,
r->in.account_ou);
ads_msgfree(r->in.ads, res);
if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
(status.err.rc == LDAP_ALREADY_EXISTS)) {
status = ADS_SUCCESS;
}
return status;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
ADS_STATUS status;
if (!r->in.ads) {
status = libnet_unjoin_connect_ads(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
}
status = ads_leave_realm(r->in.ads, r->in.machine_name);
if (!ADS_ERR_OK(status)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"failed to leave realm: %s",
ads_errstr(status));
return status;
}
return ADS_SUCCESS;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
LDAPMessage *res = NULL;
char *dn = NULL;
if (!r->in.machine_name) {
return ADS_ERROR(LDAP_NO_MEMORY);
}
status = ads_find_machine_acct(r->in.ads,
&res,
r->in.machine_name);
if (!ADS_ERR_OK(status)) {
return status;
}
if (ads_count_replies(r->in.ads, res) != 1) {
status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
goto done;
}
dn = ads_get_dn(r->in.ads, res);
if (!dn) {
status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
goto done;
}
r->out.dn = talloc_strdup(mem_ctx, dn);
if (!r->out.dn) {
status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
goto done;
}
done:
ads_msgfree(r->in.ads, res);
ads_memfree(r->in.ads, dn);
return status;
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
ADS_MODLIST mods;
fstring my_fqdn;
const char *spn_array[3] = {NULL, NULL, NULL};
char *spn = NULL;
if (!r->in.ads) {
status = libnet_join_connect_ads(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
}
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
if (!spn) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
strupper_m(spn);
spn_array[0] = spn;
if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
!strequal(my_fqdn, r->in.machine_name)) {
strlower_m(my_fqdn);
spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
if (!spn) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
spn_array[1] = spn;
}
mods = ads_init_mods(mem_ctx);
if (!mods) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
if (!ADS_ERR_OK(status)) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
spn_array);
if (!ADS_ERR_OK(status)) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
return ads_gen_mod(r->in.ads, r->out.dn, mods);
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
ADS_MODLIST mods;
if (!r->in.create_upn) {
return ADS_SUCCESS;
}
if (!r->in.ads) {
status = libnet_join_connect_ads(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
}
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
if (!r->in.upn) {
r->in.upn = talloc_asprintf(mem_ctx,
"host/%s@%s",
r->in.machine_name,
r->out.dns_domain_name);
if (!r->in.upn) {
return ADS_ERROR(LDAP_NO_MEMORY);
}
}
mods = ads_init_mods(mem_ctx);
if (!mods) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
if (!ADS_ERR_OK(status)) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
return ads_gen_mod(r->in.ads, r->out.dn, mods);
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
ADS_MODLIST mods;
char *os_sp = NULL;
if (!r->in.os_name || !r->in.os_version ) {
return ADS_SUCCESS;
}
if (!r->in.ads) {
status = libnet_join_connect_ads(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
}
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
mods = ads_init_mods(mem_ctx);
if (!mods) {
return ADS_ERROR(LDAP_NO_MEMORY);
}
os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
if (!os_sp) {
return ADS_ERROR(LDAP_NO_MEMORY);
}
status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
r->in.os_name);
if (!ADS_ERR_OK(status)) {
return status;
}
status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
r->in.os_version);
if (!ADS_ERR_OK(status)) {
return status;
}
status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
os_sp);
if (!ADS_ERR_OK(status)) {
return status;
}
return ads_gen_mod(r->in.ads, r->out.dn, mods);
}
/****************************************************************
****************************************************************/
static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
if (!lp_use_kerberos_keytab()) {
return true;
}
if (!ads_keytab_create_default(r->in.ads)) {
return false;
}
return true;
}
/****************************************************************
****************************************************************/
static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
uint32_t domain_func;
ADS_STATUS status;
const char *salt = NULL;
char *std_salt = NULL;
status = ads_domain_func_level(r->in.ads, &domain_func);
if (!ADS_ERR_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to determine domain functional level: %s",
ads_errstr(status));
return false;
}
std_salt = kerberos_standard_des_salt();
if (!std_salt) {
libnet_join_set_error_string(mem_ctx, r,
"failed to obtain standard DES salt");
return false;
}
salt = talloc_strdup(mem_ctx, std_salt);
if (!salt) {
return false;
}
SAFE_FREE(std_salt);
if (domain_func == DS_DOMAIN_FUNCTION_2000) {
char *upn;
upn = ads_get_upn(r->in.ads, mem_ctx,
r->in.machine_name);
if (upn) {
salt = talloc_strdup(mem_ctx, upn);
if (!salt) {
return false;
}
}
}
return kerberos_secrets_store_des_salt(salt);
}
/****************************************************************
****************************************************************/
static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
ADS_STATUS status;
status = libnet_join_set_machine_spn(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to set machine spn: %s",
ads_errstr(status));
return status;
}
status = libnet_join_set_os_attributes(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to set machine os attributes: %s",
ads_errstr(status));
return status;
}
status = libnet_join_set_machine_upn(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to set machine upn: %s",
ads_errstr(status));
return status;
}
if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
}
if (!libnet_join_create_keytab(mem_ctx, r)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to create kerberos keytab");
return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
}
return ADS_SUCCESS;
}
#endif /* WITH_ADS */
/****************************************************************
****************************************************************/
static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
if (!secrets_store_domain_sid(r->out.netbios_domain_name,
r->out.domain_sid))
{
return false;
}
if (!secrets_store_machine_password(r->in.machine_password,
r->out.netbios_domain_name,
SEC_CHAN_WKSTA))
{
return false;
}
return true;
}
/****************************************************************
****************************************************************/
static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
struct cli_state *cli = NULL;
struct rpc_pipe_client *pipe_hnd = NULL;
POLICY_HND sam_pol, domain_pol, user_pol, lsa_pol;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *acct_name;
const char *const_acct_name;
struct lsa_String lsa_acct_name;
uint32 user_rid;
uint32 num_rids, *name_types, *user_rids;
uint32 flags = 0x3e8;
uint32 acb_info = ACB_WSTRUST;
uint32 fields_present;
uchar pwbuf[532];
SAM_USERINFO_CTR ctr;
SAM_USER_INFO_25 p25;
const int infolevel = 25;
struct MD5Context md5ctx;
uchar md5buffer[16];
DATA_BLOB digested_session_key;
uchar md4_trust_password[16];
union lsa_PolicyInformation *info = NULL;
if (!r->in.machine_password) {
r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
}
status = cli_full_connection(&cli, NULL,
r->in.dc_name,
NULL, 0,
"IPC$", "IPC",
r->in.admin_account,
NULL,
r->in.admin_password,
0,
Undefined, NULL);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
if (!pipe_hnd) {
goto done;
}
status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_lsa_QueryInfoPolicy2(pipe_hnd, mem_ctx,
&lsa_pol,
LSA_POLICY_INFO_DNS,
&info);
if (NT_STATUS_IS_OK(status)) {
r->out.domain_is_ad = true;
r->out.netbios_domain_name = info->dns.name.string;
r->out.dns_domain_name = info->dns.dns_domain.string;
r->out.domain_sid = info->dns.sid;
}
if (!NT_STATUS_IS_OK(status)) {
status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
5,
&r->out.netbios_domain_name,
&r->out.domain_sid);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
}
rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
cli_rpc_pipe_close(pipe_hnd);
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
if (!pipe_hnd) {
goto done;
}
status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
pipe_hnd->cli->desthost,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&sam_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
&sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
r->out.domain_sid,
&domain_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
strlower_m(acct_name);
const_acct_name = acct_name;
init_lsa_String(&lsa_acct_name, acct_name);
if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
uint32_t acct_flags =
SEC_GENERIC_READ | SEC_GENERIC_WRITE | SEC_GENERIC_EXECUTE |
SEC_STD_WRITE_DAC | SEC_STD_DELETE |
SAMR_USER_ACCESS_SET_PASSWORD |
SAMR_USER_ACCESS_GET_ATTRIBUTES |
SAMR_USER_ACCESS_SET_ATTRIBUTES;
uint32_t access_granted = 0;
status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
&domain_pol,
&lsa_acct_name,
ACB_WSTRUST,
acct_flags,
&user_pol,
&access_granted,
&user_rid);
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
if (!(r->in.join_flags &
WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
goto done;
}
}
if (NT_STATUS_IS_OK(status)) {
rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
}
}
status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
&domain_pol, flags, 1,
&const_acct_name,
&num_rids, &user_rids, &name_types);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (name_types[0] != SID_NAME_USER) {
status = NT_STATUS_INVALID_WORKSTATION;
goto done;
}
user_rid = user_rids[0];
status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
&domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
user_rid,
&user_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
E_md4hash(r->in.machine_password, md4_trust_password);
encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
MD5Init(&md5ctx);
MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
MD5Update(&md5ctx, cli->user_session_key.data,
cli->user_session_key.length);
MD5Final(digested_session_key.data, &md5ctx);
SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
acb_info |= ACB_PWNOEXP;
if (r->out.domain_is_ad) {
#if !defined(ENCTYPE_ARCFOUR_HMAC)
acb_info |= ACB_USE_DES_KEY_ONLY;
#endif
;;
}
ZERO_STRUCT(ctr);
ZERO_STRUCT(p25);
fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET | ACCT_FLAGS;
init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
ctr.switch_value = infolevel;
ctr.info.id25 = &p25;
status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
infolevel, &cli->user_session_key,
&ctr);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
cli_rpc_pipe_close(pipe_hnd);
status = NT_STATUS_OK;
done:
if (cli) {
cli_shutdown(cli);
}
return status;
}
/****************************************************************
****************************************************************/
static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
if (!secrets_delete_machine_password_ex(lp_workgroup())) {
return false;
}
if (!secrets_delete_domain_sid(lp_workgroup())) {
return false;
}
return true;
}
/****************************************************************
****************************************************************/
static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
struct cli_state *cli = NULL;
struct rpc_pipe_client *pipe_hnd = NULL;
POLICY_HND sam_pol, domain_pol, user_pol;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *acct_name;
uint32 flags = 0x3e8;
const char *const_acct_name;
uint32 user_rid;
uint32 num_rids, *name_types, *user_rids;
SAM_USERINFO_CTR ctr, *qctr = NULL;
SAM_USER_INFO_16 p16;
status = cli_full_connection(&cli, NULL,
r->in.dc_name,
NULL, 0,
"IPC$", "IPC",
r->in.admin_account,
NULL,
r->in.admin_password,
0, Undefined, NULL);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
if (!pipe_hnd) {
goto done;
}
status = rpccli_samr_Connect2(pipe_hnd, mem_ctx,
pipe_hnd->cli->desthost,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&sam_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_samr_OpenDomain(pipe_hnd, mem_ctx,
&sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
r->in.domain_sid,
&domain_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
strlower_m(acct_name);
const_acct_name = acct_name;
status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
&domain_pol, flags, 1,
&const_acct_name,
&num_rids, &user_rids, &name_types);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (name_types[0] != SID_NAME_USER) {
status = NT_STATUS_INVALID_WORKSTATION;
goto done;
}
user_rid = user_rids[0];
status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
&domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
user_rid,
&user_pol);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx,
&user_pol, 16, &qctr);
if (!NT_STATUS_IS_OK(status)) {
rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
goto done;
}
ZERO_STRUCT(ctr);
ctr.switch_value = 16;
ctr.info.id16 = &p16;
p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
&cli->user_session_key, &ctr);
rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
done:
if (pipe_hnd) {
rpccli_samr_Close(pipe_hnd, mem_ctx, &domain_pol);
rpccli_samr_Close(pipe_hnd, mem_ctx, &sam_pol);
cli_rpc_pipe_close(pipe_hnd);
}
if (cli) {
cli_shutdown(cli);
}
return status;
}
/****************************************************************
****************************************************************/
static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
{
WERROR werr;
struct libnet_conf_ctx *ctx;
werr = libnet_conf_open(r, &ctx);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
werr = libnet_conf_set_global_parameter(ctx, "security", "user");
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
werr = libnet_conf_set_global_parameter(ctx, "workgroup",
r->in.domain_name);
goto done;
}
werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
werr = libnet_conf_set_global_parameter(ctx, "workgroup",
r->out.netbios_domain_name);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
if (r->out.domain_is_ad) {
werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
werr = libnet_conf_set_global_parameter(ctx, "realm",
r->out.dns_domain_name);
}
done:
libnet_conf_close(ctx);
return werr;
}
/****************************************************************
****************************************************************/
static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
{
WERROR werr = WERR_OK;
struct libnet_conf_ctx *ctx;
werr = libnet_conf_open(r, &ctx);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
werr = libnet_conf_set_global_parameter(ctx, "security", "user");
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
}
libnet_conf_delete_global_parameter(ctx, "realm");
done:
libnet_conf_close(ctx);
return werr;
}
/****************************************************************
****************************************************************/
static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
{
WERROR werr;
if (!W_ERROR_IS_OK(r->out.result)) {
return r->out.result;
}
if (!r->in.modify_config) {
return WERR_OK;
}
werr = do_join_modify_vals_config(r);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
r->out.modified_config = true;
r->out.result = werr;
return werr;
}
/****************************************************************
****************************************************************/
static WERROR do_UnjoinConfig(struct libnet_UnjoinCtx *r)
{
WERROR werr;
if (!W_ERROR_IS_OK(r->out.result)) {
return r->out.result;
}
if (!r->in.modify_config) {
return WERR_OK;
}
werr = do_unjoin_modify_vals_config(r);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
r->out.modified_config = true;
r->out.result = werr;
return werr;
}
/****************************************************************
****************************************************************/
static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
if (!r->in.domain_name) {
return WERR_INVALID_PARAM;
}
if (r->in.modify_config && !lp_config_backend_is_registry()) {
return WERR_NOT_SUPPORTED;
}
if (IS_DC) {
return WERR_SETUP_DOMAIN_CONTROLLER;
}
if (!secrets_init()) {
libnet_join_set_error_string(mem_ctx, r,
"Unable to open secrets database");
return WERR_CAN_NOT_COMPLETE;
}
return WERR_OK;
}
/****************************************************************
****************************************************************/
static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
WERROR werr;
if (!W_ERROR_IS_OK(r->out.result)) {
return r->out.result;
}
werr = do_JoinConfig(r);
if (!W_ERROR_IS_OK(werr)) {
return werr;
}
if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
saf_store(r->in.domain_name, r->in.dc_name);
}
return WERR_OK;
}
/****************************************************************
****************************************************************/
static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
{
if (r->in.ads) {
ads_destroy(&r->in.ads);
}
return 0;
}
/****************************************************************
****************************************************************/
static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
{
if (r->in.ads) {
ads_destroy(&r->in.ads);
}
return 0;
}
/****************************************************************
****************************************************************/
WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx **r)
{
struct libnet_JoinCtx *ctx;
ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
if (!ctx) {
return WERR_NOMEM;
}
talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
*r = ctx;
return WERR_OK;
}
/****************************************************************
****************************************************************/
WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx **r)
{
struct libnet_UnjoinCtx *ctx;
ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
if (!ctx) {
return WERR_NOMEM;
}
talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
*r = ctx;
return WERR_OK;
}
/****************************************************************
****************************************************************/
static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
NTSTATUS status;
#ifdef WITH_ADS
ADS_STATUS ads_status;
#endif /* WITH_ADS */
if (!r->in.dc_name) {
struct DS_DOMAIN_CONTROLLER_INFO *info;
status = dsgetdcname(mem_ctx,
r->in.domain_name,
NULL,
NULL,
DS_DIRECTORY_SERVICE_REQUIRED |
DS_WRITABLE_REQUIRED |
DS_RETURN_DNS_NAME,
&info);
if (!NT_STATUS_IS_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to find DC for domain %s",
r->in.domain_name,
get_friendly_nt_error_msg(status));
return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
}
r->in.dc_name = talloc_strdup(mem_ctx,
info->domain_controller_name);
W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
}
#ifdef WITH_ADS
if (r->in.account_ou) {
ads_status = libnet_join_connect_ads(mem_ctx, r);
if (!ADS_ERR_OK(ads_status)) {
return WERR_DEFAULT_JOIN_REQUIRED;
}
ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(ads_status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to precreate account in ou %s: %s",
r->in.account_ou,
ads_errstr(ads_status));
return WERR_DEFAULT_JOIN_REQUIRED;
}
r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
}
#endif /* WITH_ADS */
status = libnet_join_joindomain_rpc(mem_ctx, r);
if (!NT_STATUS_IS_OK(status)) {
libnet_join_set_error_string(mem_ctx, r,
"failed to join domain over rpc: %s",
get_friendly_nt_error_msg(status));
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
return WERR_SETUP_ALREADY_JOINED;
}
return ntstatus_to_werror(status);
}
if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
return WERR_SETUP_NOT_JOINED;
}
#ifdef WITH_ADS
if (r->out.domain_is_ad) {
ads_status = libnet_join_post_processing_ads(mem_ctx, r);
if (!ADS_ERR_OK(ads_status)) {
return WERR_GENERAL_FAILURE;
}
}
#endif /* WITH_ADS */
return WERR_OK;
}
/****************************************************************
****************************************************************/
WERROR libnet_Join(TALLOC_CTX *mem_ctx,
struct libnet_JoinCtx *r)
{
WERROR werr;
if (r->in.debug) {
LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
}
werr = libnet_join_pre_processing(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
werr = libnet_DomainJoin(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
}
werr = libnet_join_post_processing(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
done:
r->out.result = werr;
if (r->in.debug) {
LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
}
return werr;
}
/****************************************************************
****************************************************************/
static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
NTSTATUS status;
if (!r->in.domain_sid) {
struct dom_sid sid;
if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"Unable to fetch domain sid: are we joined?");
return WERR_SETUP_NOT_JOINED;
}
r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
}
if (!r->in.dc_name) {
struct DS_DOMAIN_CONTROLLER_INFO *info;
status = dsgetdcname(mem_ctx,
r->in.domain_name,
NULL,
NULL,
DS_DIRECTORY_SERVICE_REQUIRED |
DS_WRITABLE_REQUIRED |
DS_RETURN_DNS_NAME,
&info);
if (!NT_STATUS_IS_OK(status)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"failed to find DC for domain %s",
r->in.domain_name,
get_friendly_nt_error_msg(status));
return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
}
r->in.dc_name = talloc_strdup(mem_ctx,
info->domain_controller_name);
W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
}
status = libnet_join_unjoindomain_rpc(mem_ctx, r);
if (!NT_STATUS_IS_OK(status)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"failed to disable machine account via rpc: %s",
get_friendly_nt_error_msg(status));
if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
return WERR_SETUP_NOT_JOINED;
}
return ntstatus_to_werror(status);
}
#ifdef WITH_ADS
if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
ADS_STATUS ads_status;
libnet_unjoin_connect_ads(mem_ctx, r);
ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(ads_status)) {
libnet_unjoin_set_error_string(mem_ctx, r,
"failed to remove machine account from AD: %s",
ads_errstr(ads_status));
}
}
#endif /* WITH_ADS */
libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
return WERR_OK;
}
/****************************************************************
****************************************************************/
static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
if (r->in.modify_config && !lp_config_backend_is_registry()) {
return WERR_NOT_SUPPORTED;
}
if (!secrets_init()) {
libnet_unjoin_set_error_string(mem_ctx, r,
"Unable to open secrets database");
return WERR_CAN_NOT_COMPLETE;
}
return WERR_OK;
}
/****************************************************************
****************************************************************/
WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
struct libnet_UnjoinCtx *r)
{
WERROR werr;
if (r->in.debug) {
LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
}
werr = libnet_unjoin_pre_processing(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
werr = libnet_DomainUnjoin(mem_ctx, r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
}
werr = do_UnjoinConfig(r);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
done:
r->out.result = werr;
if (r->in.debug) {
LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
}
return werr;
}