static NTSTATUS authsam_authenticate(struct auth_context *auth_context,
TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
struct ldb_dn *domain_dn,
struct ldb_message *msg,
const struct auth_usersupplied_info *user_info,
DATA_BLOB *user_sess_key, DATA_BLOB *lm_sess_key)
{
struct samr_Password *lm_pwd, *nt_pwd;
NTSTATUS nt_status;
uint16_t acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx, msg, domain_dn);
/* Quit if the account was locked out. */
if (acct_flags & ACB_AUTOLOCK) {
DEBUG(3,("check_sam_security: Account for user %s was locked out.\n",
user_info->mapped.account_name));
return NT_STATUS_ACCOUNT_LOCKED_OUT;
}
/* You can only do an interactive login to normal accounts */
if (user_info->flags & USER_INFO_INTERACTIVE_LOGON) {
if (!(acct_flags & ACB_NORMAL)) {
return NT_STATUS_NO_SUCH_USER;
}
}
nt_status = samdb_result_passwords(mem_ctx, auth_context->lp_ctx, msg, &lm_pwd, &nt_pwd);
NT_STATUS_NOT_OK_RETURN(nt_status);
nt_status = authsam_password_ok(auth_context, mem_ctx,
acct_flags, lm_pwd, nt_pwd,
user_info, user_sess_key, lm_sess_key);
NT_STATUS_NOT_OK_RETURN(nt_status);
nt_status = authsam_account_ok(mem_ctx, sam_ctx,
user_info->logon_parameters,
domain_dn,
msg,
user_info->workstation_name,
user_info->mapped.account_name,
false, false);
return nt_status;
}
static NTSTATUS authsam_authenticate(struct auth_context *auth_context,
TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
struct ldb_dn *domain_dn,
struct ldb_message *msg,
const struct auth_usersupplied_info *user_info,
DATA_BLOB *user_sess_key, DATA_BLOB *lm_sess_key)
{
struct samr_Password *lm_pwd, *nt_pwd;
NTSTATUS nt_status;
uint16_t acct_flags = samdb_result_acct_flags(auth_context->sam_ctx, mem_ctx, msg, domain_dn);
/* Quit if the account was locked out. */
if (acct_flags & ACB_AUTOLOCK) {
DEBUG(3,("check_sam_security: Account for user %s was locked out.\n",
user_info->mapped.account_name));
return NT_STATUS_ACCOUNT_LOCKED_OUT;
}
/* You can only do an interactive login to normal accounts */
if (user_info->flags & USER_INFO_INTERACTIVE_LOGON) {
if (!(acct_flags & ACB_NORMAL)) {
return NT_STATUS_NO_SUCH_USER;
}
}
nt_status = samdb_result_passwords(mem_ctx, auth_context->lp_ctx, msg, &lm_pwd, &nt_pwd);
NT_STATUS_NOT_OK_RETURN(nt_status);
if (lm_pwd == NULL && nt_pwd == NULL) {
bool am_rodc;
if (samdb_rodc(auth_context->sam_ctx, &am_rodc) == LDB_SUCCESS && am_rodc) {
/* we don't have passwords for this
* account. We are an RODC, and this account
* may be one for which we either are denied
* REPL_SECRET replication or we haven't yet
* done the replication. We return
* NT_STATUS_NOT_IMPLEMENTED which tells the
* auth code to try the next authentication
* mechanism. We also send a message to our
* drepl server to tell it to try and
* replicate the secrets for this account.
*/
auth_sam_trigger_repl_secret(mem_ctx, auth_context, msg->dn);
return NT_STATUS_NOT_IMPLEMENTED;
}
}
nt_status = authsam_password_ok(auth_context, mem_ctx,
acct_flags, lm_pwd, nt_pwd,
user_info, user_sess_key, lm_sess_key);
NT_STATUS_NOT_OK_RETURN(nt_status);
nt_status = authsam_account_ok(mem_ctx, auth_context->sam_ctx,
user_info->logon_parameters,
domain_dn,
msg,
user_info->workstation_name,
user_info->mapped.account_name,
false, false);
return nt_status;
}
_PUBLIC_ NTSTATUS authsam_make_user_info_dc(TALLOC_CTX *mem_ctx,
struct ldb_context *sam_ctx,
const char *netbios_name,
const char *domain_name,
struct ldb_dn *domain_dn,
struct ldb_message *msg,
DATA_BLOB user_sess_key,
DATA_BLOB lm_sess_key,
struct auth_user_info_dc **_user_info_dc)
{
NTSTATUS status;
struct auth_user_info_dc *user_info_dc;
struct auth_user_info *info;
const char *str, *filter;
/* SIDs for the account and his primary group */
struct dom_sid *account_sid;
const char *primary_group_string;
const char *primary_group_dn;
DATA_BLOB primary_group_blob;
/* SID structures for the expanded group memberships */
struct dom_sid *sids = NULL;
unsigned int num_sids = 0, i;
struct dom_sid *domain_sid;
TALLOC_CTX *tmp_ctx;
struct ldb_message_element *el;
user_info_dc = talloc(mem_ctx, struct auth_user_info_dc);
NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
tmp_ctx = talloc_new(user_info_dc);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc, user_info_dc);
sids = talloc_array(user_info_dc, struct dom_sid, 2);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(sids, user_info_dc);
num_sids = 2;
account_sid = samdb_result_dom_sid(user_info_dc, msg, "objectSid");
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(account_sid, user_info_dc);
status = dom_sid_split_rid(tmp_ctx, account_sid, &domain_sid, NULL);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(user_info_dc);
return status;
}
sids[PRIMARY_USER_SID_INDEX] = *account_sid;
sids[PRIMARY_GROUP_SID_INDEX] = *domain_sid;
sid_append_rid(&sids[PRIMARY_GROUP_SID_INDEX], ldb_msg_find_attr_as_uint(msg, "primaryGroupID", ~0));
/* Filter out builtin groups from this token. We will search
* for builtin groups later, and not include them in the PAC
* on SamLogon validation info */
filter = talloc_asprintf(tmp_ctx, "(&(objectClass=group)(!(groupType:1.2.840.113556.1.4.803:=%u))(groupType:1.2.840.113556.1.4.803:=%u))", GROUP_TYPE_BUILTIN_LOCAL_GROUP, GROUP_TYPE_SECURITY_ENABLED);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(filter, user_info_dc);
primary_group_string = dom_sid_string(tmp_ctx, &sids[PRIMARY_GROUP_SID_INDEX]);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(primary_group_string, user_info_dc);
primary_group_dn = talloc_asprintf(tmp_ctx, "<SID=%s>", primary_group_string);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(primary_group_dn, user_info_dc);
primary_group_blob = data_blob_string_const(primary_group_dn);
/* Expands the primary group - this function takes in
* memberOf-like values, so we fake one up with the
* <SID=S-...> format of DN and then let it expand
* them, as long as they meet the filter - so only
* domain groups, not builtin groups
*
* The primary group is still treated specially, so we set the
* 'only childs' flag to true
*/
status = dsdb_expand_nested_groups(sam_ctx, &primary_group_blob, true, filter,
user_info_dc, &sids, &num_sids);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(user_info_dc);
return status;
}
/* Expands the additional groups */
el = ldb_msg_find_element(msg, "memberOf");
for (i = 0; el && i < el->num_values; i++) {
/* This function takes in memberOf values and expands
* them, as long as they meet the filter - so only
* domain groups, not builtin groups */
status = dsdb_expand_nested_groups(sam_ctx, &el->values[i], false, filter,
user_info_dc, &sids, &num_sids);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(user_info_dc);
return status;
}
}
user_info_dc->sids = sids;
user_info_dc->num_sids = num_sids;
user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
info->account_name = talloc_steal(info,
ldb_msg_find_attr_as_string(msg, "sAMAccountName", NULL));
info->domain_name = talloc_strdup(info, domain_name);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->domain_name,
user_info_dc);
str = ldb_msg_find_attr_as_string(msg, "displayName", "");
info->full_name = talloc_strdup(info, str);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->full_name, user_info_dc);
str = ldb_msg_find_attr_as_string(msg, "scriptPath", "");
info->logon_script = talloc_strdup(info, str);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->logon_script,
user_info_dc);
str = ldb_msg_find_attr_as_string(msg, "profilePath", "");
info->profile_path = talloc_strdup(info, str);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->profile_path,
user_info_dc);
str = ldb_msg_find_attr_as_string(msg, "homeDirectory", "");
info->home_directory = talloc_strdup(info, str);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->home_directory,
user_info_dc);
str = ldb_msg_find_attr_as_string(msg, "homeDrive", "");
info->home_drive = talloc_strdup(info, str);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->home_drive, user_info_dc);
info->logon_server = talloc_strdup(info, netbios_name);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(info->logon_server,
user_info_dc);
info->last_logon = samdb_result_nttime(msg, "lastLogon", 0);
info->last_logoff = samdb_result_last_logoff(msg);
info->acct_expiry = samdb_result_account_expires(msg);
info->last_password_change = samdb_result_nttime(msg,
"pwdLastSet", 0);
info->allow_password_change
= samdb_result_allow_password_change(sam_ctx, mem_ctx,
domain_dn, msg, "pwdLastSet");
info->force_password_change
= samdb_result_force_password_change(sam_ctx, mem_ctx,
domain_dn, msg);
info->logon_count = ldb_msg_find_attr_as_uint(msg, "logonCount", 0);
info->bad_password_count = ldb_msg_find_attr_as_uint(msg, "badPwdCount",
0);
info->acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx,
msg, domain_dn);
user_info_dc->user_session_key = data_blob_talloc(user_info_dc,
user_sess_key.data,
user_sess_key.length);
if (user_sess_key.data) {
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->user_session_key.data,
user_info_dc);
}
user_info_dc->lm_session_key = data_blob_talloc(user_info_dc,
lm_sess_key.data,
lm_sess_key.length);
if (lm_sess_key.data) {
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->lm_session_key.data,
user_info_dc);
}
if (info->acct_flags & ACB_SVRTRUST) {
/* the SID_NT_ENTERPRISE_DCS SID gets added into the
PAC */
user_info_dc->sids = talloc_realloc(user_info_dc,
user_info_dc->sids,
struct dom_sid,
user_info_dc->num_sids+1);
NT_STATUS_HAVE_NO_MEMORY_AND_FREE(user_info_dc->sids, user_info_dc);
user_info_dc->sids[user_info_dc->num_sids] = global_sid_Enterprise_DCs;
user_info_dc->num_sids++;
}
/****************************************************************************
Do a specific test for a SAM_ACCOUNT being valid for this connection
(ie not disabled, expired and the like).
****************************************************************************/
_PUBLIC_ NTSTATUS authsam_account_ok(TALLOC_CTX *mem_ctx,
struct ldb_context *sam_ctx,
uint32_t logon_parameters,
struct ldb_dn *domain_dn,
struct ldb_message *msg,
const char *logon_workstation,
const char *name_for_logs,
bool allow_domain_trust,
bool password_change)
{
uint16_t acct_flags;
const char *workstation_list;
NTTIME acct_expiry;
NTTIME must_change_time;
NTTIME now;
DEBUG(4,("authsam_account_ok: Checking SMB password for user %s\n", name_for_logs));
acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx, msg, domain_dn);
acct_expiry = samdb_result_account_expires(msg);
/* Check for when we must change this password, taking the
* userAccountControl flags into account */
must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
domain_dn, msg);
workstation_list = ldb_msg_find_attr_as_string(msg, "userWorkstations", NULL);
/* Quit if the account was disabled. */
if (acct_flags & ACB_DISABLED) {
DEBUG(2,("authsam_account_ok: Account for user '%s' was disabled.\n", name_for_logs));
return NT_STATUS_ACCOUNT_DISABLED;
}
/* Quit if the account was locked out. */
if (acct_flags & ACB_AUTOLOCK) {
DEBUG(2,("authsam_account_ok: Account for user %s was locked out.\n", name_for_logs));
return NT_STATUS_ACCOUNT_LOCKED_OUT;
}
/* Test account expire time */
unix_to_nt_time(&now, time(NULL));
if (now > acct_expiry) {
DEBUG(2,("authsam_account_ok: Account for user '%s' has expired.\n", name_for_logs));
DEBUG(3,("authsam_account_ok: Account expired at '%s'.\n",
nt_time_string(mem_ctx, acct_expiry)));
return NT_STATUS_ACCOUNT_EXPIRED;
}
/* check for immediate expiry "must change at next logon" (but not if this is a password change request) */
if ((must_change_time == 0) && !password_change) {
DEBUG(2,("sam_account_ok: Account for user '%s' password must change!.\n",
name_for_logs));
return NT_STATUS_PASSWORD_MUST_CHANGE;
}
/* check for expired password (but not if this is a password change request) */
if ((must_change_time < now) && !password_change) {
DEBUG(2,("sam_account_ok: Account for user '%s' password expired!.\n",
name_for_logs));
DEBUG(2,("sam_account_ok: Password expired at '%s' unix time.\n",
nt_time_string(mem_ctx, must_change_time)));
return NT_STATUS_PASSWORD_EXPIRED;
}
/* Test workstation. Workstation list is comma separated. */
if (logon_workstation && workstation_list && *workstation_list) {
bool invalid_ws = true;
int i;
const char **workstations = (const char **)str_list_make(mem_ctx, workstation_list, ",");
for (i = 0; workstations && workstations[i]; i++) {
DEBUG(10,("sam_account_ok: checking for workstation match '%s' and '%s'\n",
workstations[i], logon_workstation));
if (strequal(workstations[i], logon_workstation)) {
invalid_ws = false;
break;
}
}
talloc_free(workstations);
if (invalid_ws) {
return NT_STATUS_INVALID_WORKSTATION;
}
}
if (!logon_hours_ok(msg, name_for_logs)) {
return NT_STATUS_INVALID_LOGON_HOURS;
}
if (!allow_domain_trust) {
if (acct_flags & ACB_DOMTRUST) {
DEBUG(2,("sam_account_ok: Domain trust account %s denied by server\n", name_for_logs));
return NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT;
}
}
if (!(logon_parameters & MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT)) {
if (acct_flags & ACB_SVRTRUST) {
DEBUG(2,("sam_account_ok: Server trust account %s denied by server\n", name_for_logs));
return NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT;
}
}
if (!(logon_parameters & MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT)) {
/* TODO: this fails with current solaris client. We
need to work with Gordon to work out why */
if (acct_flags & ACB_WSTRUST) {
DEBUG(4,("sam_account_ok: Wksta trust account %s denied by server\n", name_for_logs));
return NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
}
}
return NT_STATUS_OK;
}
static NTSTATUS authsam_authenticate(struct auth4_context *auth_context,
TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
struct ldb_dn *domain_dn,
struct ldb_message *msg,
const struct auth_usersupplied_info *user_info,
DATA_BLOB *user_sess_key, DATA_BLOB *lm_sess_key,
bool *authoritative)
{
NTSTATUS nt_status;
bool interactive = (user_info->password_state == AUTH_PASSWORD_HASH);
uint32_t acct_flags = samdb_result_acct_flags(msg, NULL);
struct netr_SendToSamBase *send_to_sam = NULL;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (!tmp_ctx) {
return NT_STATUS_NO_MEMORY;
}
/* You can only do an interactive login to normal accounts */
if (user_info->flags & USER_INFO_INTERACTIVE_LOGON) {
if (!(acct_flags & ACB_NORMAL)) {
TALLOC_FREE(tmp_ctx);
return NT_STATUS_NO_SUCH_USER;
}
if (acct_flags & ACB_SMARTCARD_REQUIRED) {
if (acct_flags & ACB_DISABLED) {
DEBUG(2,("authsam_authenticate: Account for user '%s' "
"was disabled.\n",
user_info->mapped.account_name));
TALLOC_FREE(tmp_ctx);
return NT_STATUS_ACCOUNT_DISABLED;
}
DEBUG(2,("authsam_authenticate: Account for user '%s' "
"requires interactive smartcard logon.\n",
user_info->mapped.account_name));
TALLOC_FREE(tmp_ctx);
return NT_STATUS_SMARTCARD_LOGON_REQUIRED;
}
}
nt_status = authsam_password_check_and_record(auth_context, tmp_ctx,
domain_dn, msg, acct_flags,
user_info,
user_sess_key, lm_sess_key,
authoritative);
if (!NT_STATUS_IS_OK(nt_status)) {
TALLOC_FREE(tmp_ctx);
return nt_status;
}
nt_status = authsam_account_ok(tmp_ctx, auth_context->sam_ctx,
user_info->logon_parameters,
domain_dn,
msg,
user_info->workstation_name,
user_info->mapped.account_name,
false, false);
if (!NT_STATUS_IS_OK(nt_status)) {
TALLOC_FREE(tmp_ctx);
return nt_status;
}
nt_status = authsam_logon_success_accounting(auth_context->sam_ctx,
msg, domain_dn,
interactive,
&send_to_sam);
if (send_to_sam != NULL) {
auth_sam_trigger_zero_password(tmp_ctx,
auth_context->msg_ctx,
auth_context->event_ctx,
send_to_sam);
}
if (!NT_STATUS_IS_OK(nt_status)) {
TALLOC_FREE(tmp_ctx);
return nt_status;
}
if (user_sess_key && user_sess_key->data) {
talloc_steal(mem_ctx, user_sess_key->data);
}
if (lm_sess_key && lm_sess_key->data) {
talloc_steal(mem_ctx, lm_sess_key->data);
}
TALLOC_FREE(tmp_ctx);
return nt_status;
}
