#include "includes.h"
#include "winbindd.h"
+#include "libsmb/namequery.h"
#include "../libcli/auth/libcli_auth.h"
#include "../librpc/gen_ndr/ndr_samr_c.h"
#include "rpc_client/cli_pipe.h"
#include "auth/kerberos/pac_utils.h"
#include "auth/gensec/gensec.h"
#include "librpc/crypto/gse_krb5.h"
+#include "lib/afs/afs_funcs.h"
+#include "libsmb/samlogon_cache.h"
+#include "rpc_client/util_netlogon.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
static NTSTATUS append_info3_as_txt(TALLOC_CTX *mem_ctx,
struct winbindd_response *resp,
- struct netr_SamInfo3 *info3)
+ uint16_t validation_level,
+ union netr_Validation *validation)
{
- char *ex;
+ struct netr_SamInfo3 *info3 = NULL;
+ char *ex = NULL;
uint32_t i;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ status = map_validation_to_info3(frame,
+ validation_level,
+ validation,
+ &info3);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
resp->data.auth.info3.logon_time =
nt_time_to_unix(info3->base.logon_time);
fstrcpy(resp->data.auth.info3.logon_dom,
info3->base.logon_domain.string);
- ex = talloc_strdup(mem_ctx, "");
- NT_STATUS_HAVE_NO_MEMORY(ex);
+ resp->data.auth.validation_level = validation_level;
+ if (validation_level == 6) {
+ fstrcpy(resp->data.auth.info6.dns_domainname,
+ validation->sam6->dns_domainname.string);
+ fstrcpy(resp->data.auth.info6.principal_name,
+ validation->sam6->principal_name.string);
+ }
+
+ ex = talloc_strdup(frame, "");
+ if (ex == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
for (i=0; i < info3->base.groups.count; i++) {
ex = talloc_asprintf_append_buffer(ex, "0x%08X:0x%08X\n",
info3->base.groups.rids[i].rid,
info3->base.groups.rids[i].attributes);
- NT_STATUS_HAVE_NO_MEMORY(ex);
+ if (ex == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
}
for (i=0; i < info3->sidcount; i++) {
char *sid;
- sid = dom_sid_string(mem_ctx, info3->sids[i].sid);
- NT_STATUS_HAVE_NO_MEMORY(sid);
+ sid = dom_sid_string(frame, info3->sids[i].sid);
+ if (sid == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
ex = talloc_asprintf_append_buffer(ex, "%s:0x%08X\n",
sid,
info3->sids[i].attributes);
- NT_STATUS_HAVE_NO_MEMORY(ex);
-
- talloc_free(sid);
+ if (ex == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
}
- resp->extra_data.data = ex;
resp->length += talloc_get_size(ex);
+ resp->extra_data.data = talloc_move(mem_ctx, &ex);
- return NT_STATUS_OK;
+ status = NT_STATUS_OK;
+out:
+ TALLOC_FREE(frame);
+ return status;
}
static NTSTATUS append_info3_as_ndr(TALLOC_CTX *mem_ctx,
DEBUG(3, ("Authentication for domain [%s] refused "
"as it is not a trusted domain\n",
domain_name));
+ return NULL;
+ }
+
+ if (domain->secure_channel_type != SEC_CHAN_NULL) {
+ return domain;
}
- return domain;
+
+ return domain->routing_domain;
}
if (strequal(domain_name, get_global_sam_name())) {
return find_our_domain();
}
+static void fake_password_policy(struct winbindd_response *r,
+ const struct netr_SamBaseInfo *bi)
+{
+ NTTIME min_password_age;
+ NTTIME max_password_age;
+
+ if (bi->allow_password_change > bi->last_password_change) {
+ min_password_age = bi->allow_password_change -
+ bi->last_password_change;
+ } else {
+ min_password_age = 0;
+ }
+
+ if (bi->force_password_change > bi->last_password_change) {
+ max_password_age = bi->force_password_change -
+ bi->last_password_change;
+ } else {
+ max_password_age = 0;
+ }
+
+ r->data.auth.policy.min_length_password = 0;
+ r->data.auth.policy.password_history = 0;
+ r->data.auth.policy.password_properties = 0;
+ r->data.auth.policy.expire =
+ nt_time_to_unix_abs(&max_password_age);
+ r->data.auth.policy.min_passwordage =
+ nt_time_to_unix_abs(&min_password_age);
+}
+
static void fill_in_password_policy(struct winbindd_response *r,
const struct samr_DomInfo1 *p)
{
struct winbindd_response *response)
{
TALLOC_CTX *frame = talloc_stackframe();
- struct winbindd_methods *methods;
NTSTATUS status;
struct samr_DomInfo1 password_policy;
goto done;
}
- methods = domain->methods;
-
- status = methods->password_policy(domain, talloc_tos(), &password_policy);
+ status = wb_cache_password_policy(domain, talloc_tos(),
+ &password_policy);
if (NT_STATUS_IS_ERR(status)) {
goto done;
}
static NTSTATUS get_max_bad_attempts_from_lockout_policy(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
- uint16 *lockout_threshold)
+ uint16_t *lockout_threshold)
{
- struct winbindd_methods *methods;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
struct samr_DomInfo12 lockout_policy;
*lockout_threshold = 0;
- methods = domain->methods;
-
- status = methods->lockout_policy(domain, mem_ctx, &lockout_policy);
+ status = wb_cache_lockout_policy(domain, mem_ctx, &lockout_policy);
if (NT_STATUS_IS_ERR(status)) {
return status;
}
static NTSTATUS get_pwd_properties(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
- uint32 *password_properties)
+ uint32_t *password_properties)
{
- struct winbindd_methods *methods;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
struct samr_DomInfo1 password_policy;
*password_properties = 0;
- methods = domain->methods;
-
- status = methods->password_policy(domain, mem_ctx, &password_policy);
+ status = wb_cache_password_policy(domain, mem_ctx, &password_policy);
if (NT_STATUS_IS_ERR(status)) {
return status;
}
gen_cc = talloc_asprintf(
mem_ctx, "WRFILE:/tmp/krb5cc_%d", uid);
}
+ if (strequal(type, "KEYRING")) {
+ gen_cc = talloc_asprintf(
+ mem_ctx, "KEYRING:persistent:%d", uid);
+ }
+
+ if (strnequal(type, "FILE:/", 6) ||
+ strnequal(type, "WRFILE:/", 8) ||
+ strnequal(type, "DIR:/", 5)) {
+
+ /* we allow only one "%u" substitution */
+
+ char *p;
+
+ p = strchr(type, '%');
+ if (p != NULL) {
+
+ p++;
+
+ if (p != NULL && *p == 'u' && strchr(p, '%') == NULL) {
+ char uid_str[sizeof("18446744073709551615")];
+
+ snprintf(uid_str, sizeof(uid_str), "%u", uid);
+
+ gen_cc = talloc_string_sub2(mem_ctx,
+ type,
+ "%u",
+ uid_str,
+ /* remove_unsafe_characters */
+ false,
+ /* replace_once */
+ true,
+ /* allow_trailing_dollar */
+ false);
+ }
+ }
+ }
}
*user_ccache_file = gen_cc;
uid = request->data.auth.uid;
- if (uid < 0) {
+ if (uid == (uid_t)-1) {
DEBUG(1,("invalid uid: '%u'\n", (unsigned int)uid));
return -1;
}
const char *pass,
const char *krb5_cc_type,
uid_t uid,
- struct netr_SamInfo3 **info3,
+ struct netr_SamInfo6 **info6,
fstring krb5ccname)
{
#ifdef HAVE_KRB5
const char *principal_s = NULL;
const char *service = NULL;
char *realm = NULL;
- fstring name_domain, name_user;
+ fstring name_namespace, name_domain, name_user;
time_t ticket_lifetime = 0;
time_t renewal_until = 0;
ADS_STRUCT *ads;
time_t time_offset = 0;
const char *user_ccache_file;
struct PAC_LOGON_INFO *logon_info = NULL;
+ struct PAC_UPN_DNS_INFO *upn_dns_info = NULL;
+ struct PAC_DATA *pac_data = NULL;
+ struct PAC_DATA_CTR *pac_data_ctr = NULL;
+ const char *local_service;
+ uint32_t i;
+ struct netr_SamInfo6 *info6_copy = NULL;
+ bool ok;
- *info3 = NULL;
+ *info6 = NULL;
if (domain->alt_name == NULL) {
return NT_STATUS_INVALID_PARAMETER;
/* 3rd step:
* do kerberos auth and setup ccache as the user */
- parse_domain_user(user, name_domain, name_user);
+ ok = parse_domain_user(user, name_namespace, name_domain, name_user);
+ if (!ok) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
realm = talloc_strdup(mem_ctx, domain->alt_name);
if (realm == NULL) {
return NT_STATUS_NO_MEMORY;
}
+ local_service = talloc_asprintf(mem_ctx, "%s$@%s",
+ lp_netbios_name(), lp_realm());
+ if (local_service == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+
/* if this is a user ccache, we need to act as the user to let the krb5
* library handle the chown, etc. */
true,
WINBINDD_PAM_AUTH_KRB5_RENEW_TIME,
NULL,
- &logon_info);
+ local_service,
+ &pac_data_ctr);
if (user_ccache_file != NULL) {
gain_root_privilege();
}
goto failed;
}
- *info3 = &logon_info->info3;
+ if (pac_data_ctr == NULL) {
+ goto failed;
+ }
+
+ pac_data = pac_data_ctr->pac_data;
+ if (pac_data == NULL) {
+ goto failed;
+ }
+
+ for (i=0; i < pac_data->num_buffers; i++) {
+
+ if (pac_data->buffers[i].type == PAC_TYPE_LOGON_INFO) {
+ logon_info = pac_data->buffers[i].info->logon_info.info;
+ continue;
+ }
+
+ if (pac_data->buffers[i].type == PAC_TYPE_UPN_DNS_INFO) {
+ upn_dns_info = &pac_data->buffers[i].info->upn_dns_info;
+ continue;
+ }
+ }
+
+ if (logon_info == NULL) {
+ DEBUG(10,("Missing logon_info in ticket of %s\n",
+ principal_s));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
DEBUG(10,("winbindd_raw_kerberos_login: winbindd validated ticket of %s\n",
principal_s));
+ result = create_info6_from_pac(mem_ctx, logon_info,
+ upn_dns_info, &info6_copy);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto failed;
+ }
+
/* if we had a user's ccache then return that string for the pam
* environment */
}
}
-
+ *info6 = info6_copy;
return NT_STATUS_OK;
failed:
NTSTATUS append_auth_data(TALLOC_CTX *mem_ctx,
struct winbindd_response *resp,
uint32_t request_flags,
- struct netr_SamInfo3 *info3,
+ uint16_t validation_level,
+ union netr_Validation *validation,
const char *name_domain,
const char *name_user)
{
- NTSTATUS result;
+ struct netr_SamInfo3 *info3 = NULL;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+
+ result = map_validation_to_info3(talloc_tos(),
+ validation_level,
+ validation,
+ &info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto out;
+ }
if (request_flags & WBFLAG_PAM_USER_SESSION_KEY) {
memcpy(resp->data.auth.user_session_key,
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append Unix Username: %s\n",
nt_errstr(result)));
- return result;
+ goto out;
}
}
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append INFO3 (NDR): %s\n",
nt_errstr(result)));
- return result;
+ goto out;
}
}
if (request_flags & WBFLAG_PAM_INFO3_TEXT) {
- result = append_info3_as_txt(mem_ctx, resp, info3);
+ result = append_info3_as_txt(mem_ctx, resp,
+ validation_level,
+ validation);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append INFO3 (TXT): %s\n",
nt_errstr(result)));
- return result;
+ goto out;
}
}
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append AFS token: %s\n",
nt_errstr(result)));
- return result;
+ goto out;
}
}
- return NT_STATUS_OK;
+ result = NT_STATUS_OK;
+out:
+ TALLOC_FREE(info3);
+ return result;
}
static NTSTATUS winbindd_dual_pam_auth_cached(struct winbindd_domain *domain,
struct netr_SamInfo3 **info3)
{
NTSTATUS result = NT_STATUS_LOGON_FAILURE;
- uint16 max_allowed_bad_attempts;
- fstring name_domain, name_user;
+ uint16_t max_allowed_bad_attempts;
+ fstring name_namespace, name_domain, name_user;
struct dom_sid sid;
enum lsa_SidType type;
uchar new_nt_pass[NT_HASH_LEN];
- const uint8 *cached_nt_pass;
- const uint8 *cached_salt;
+ const uint8_t *cached_nt_pass;
+ const uint8_t *cached_salt;
struct netr_SamInfo3 *my_info3;
time_t kickoff_time, must_change_time;
bool password_good = false;
+ bool ok;
#ifdef HAVE_KRB5
struct winbindd_tdc_domain *tdc_domain = NULL;
#endif
/* Parse domain and username */
- parse_domain_user(state->request->data.auth.user, name_domain, name_user);
-
+ ok = parse_domain_user(state->request->data.auth.user,
+ name_namespace,
+ name_domain,
+ name_user);
+ if (!ok) {
+ DBG_DEBUG("parse_domain_user failed\n");
+ return NT_STATUS_NO_SUCH_USER;
+ }
- if (!lookup_cached_name(name_domain,
+ if (!lookup_cached_name(name_namespace,
+ name_domain,
name_user,
&sid,
&type)) {
#ifdef HAVE_KRB5
if ((state->request->flags & WBFLAG_PAM_KRB5) &&
((tdc_domain = wcache_tdc_fetch_domain(state->mem_ctx, name_domain)) != NULL) &&
- ((tdc_domain->trust_type & NETR_TRUST_TYPE_UPLEVEL) ||
+ ((tdc_domain->trust_type & LSA_TRUST_TYPE_UPLEVEL) ||
/* used to cope with the case winbindd starting without network. */
!strequal(tdc_domain->domain_name, tdc_domain->dns_name))) {
/* lockout user */
if (my_info3->base.bad_password_count >= max_allowed_bad_attempts) {
- uint32 password_properties;
+ uint32_t password_properties;
result = get_pwd_properties(domain, state->mem_ctx, &password_properties);
if (!NT_STATUS_IS_OK(result)) {
static NTSTATUS winbindd_dual_pam_auth_kerberos(struct winbindd_domain *domain,
struct winbindd_cli_state *state,
- struct netr_SamInfo3 **info3)
+ struct netr_SamInfo6 **info6)
{
struct winbindd_domain *contact_domain;
- fstring name_domain, name_user;
+ fstring name_namespace, name_domain, name_user;
NTSTATUS result;
+ bool ok;
DEBUG(10,("winbindd_dual_pam_auth_kerberos\n"));
/* Parse domain and username */
- parse_domain_user(state->request->data.auth.user, name_domain, name_user);
+ ok = parse_domain_user(state->request->data.auth.user,
+ name_namespace,
+ name_domain,
+ name_user);
+ if (!ok) {
+ result = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
/* what domain should we contact? */
if ( IS_DC ) {
- if (!(contact_domain = find_domain_from_name(name_domain))) {
+ contact_domain = find_domain_from_name(name_namespace);
+ if (contact_domain == NULL) {
DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
state->request->data.auth.user, name_domain, name_user, name_domain));
result = NT_STATUS_NO_SUCH_USER;
goto done;
}
- contact_domain = find_domain_from_name(name_domain);
+ contact_domain = find_domain_from_name(name_namespace);
if (contact_domain == NULL) {
DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
state->request->data.auth.user, name_domain, name_user, name_domain));
}
if (!contact_domain->initialized) {
- init_dc_connection(contact_domain);
+ init_dc_connection(contact_domain, false);
}
if (!contact_domain->active_directory) {
state->request->data.auth.pass,
state->request->data.auth.krb5_cc_type,
get_uid_from_request(state->request),
- info3, state->response->data.auth.krb5ccname);
+ info6, state->response->data.auth.krb5ccname);
done:
return result;
}
const DATA_BLOB *challenge,
const DATA_BLOB *lm_resp,
const DATA_BLOB *nt_resp,
+ bool interactive,
+ uint8_t *pauthoritative,
struct netr_SamInfo3 **pinfo3)
{
+ struct auth_context *auth_context;
+ struct auth_serversupplied_info *server_info;
struct auth_usersupplied_info *user_info = NULL;
struct tsocket_address *local;
+ struct netr_SamInfo3 *info3;
NTSTATUS status;
+ bool ok;
int rc;
+ TALLOC_CTX *frame = talloc_stackframe();
- rc = tsocket_address_inet_from_strings(mem_ctx,
+ /*
+ * We are authoritative by default
+ */
+ *pauthoritative = 1;
+
+ rc = tsocket_address_inet_from_strings(frame,
"ip",
"127.0.0.1",
0,
&local);
if (rc < 0) {
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
- status = make_user_info(&user_info, user, user, domain, domain,
- lp_netbios_name(), local, lm_resp, nt_resp, NULL, NULL,
+
+ /*
+ * TODO: We should get the service description passed in from
+ * the winbind client, so we can have "smb2", "squid" or "samr" logged
+ * here.
+ */
+ status = make_user_info(frame, &user_info, user, user, domain, domain,
+ lp_netbios_name(), local, local,
+ "winbind",
+ lm_resp, nt_resp, NULL, NULL,
NULL, AUTH_PASSWORD_RESPONSE);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("make_user_info failed: %s\n", nt_errstr(status)));
+ TALLOC_FREE(frame);
return status;
}
+
user_info->logon_parameters = logon_parameters;
/* We don't want any more mapping of the username */
user_info->mapped_state = True;
- status = check_sam_security_info3(challenge, talloc_tos(), user_info,
- pinfo3);
- free_user_info(&user_info);
+ /* We don't want to come back to winbindd or to do PAM account checks */
+ user_info->flags |= USER_INFO_INFO3_AND_NO_AUTHZ;
+
+ if (interactive) {
+ user_info->flags |= USER_INFO_INTERACTIVE_LOGON;
+ }
+
+ status = make_auth3_context_for_winbind(frame, &auth_context);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("make_auth3_context_for_winbind failed: %s\n",
+ nt_errstr(status));
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ ok = auth3_context_set_challenge(auth_context,
+ challenge->data, "fixed");
+ if (!ok) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = auth_check_ntlm_password(mem_ctx,
+ auth_context,
+ user_info,
+ &server_info,
+ pauthoritative);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ return status;
+ }
+
+ info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
+ if (info3 == NULL) {
+ TALLOC_FREE(frame);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = serverinfo_to_SamInfo3(server_info, info3);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(frame);
+ TALLOC_FREE(info3);
+ DEBUG(0, ("serverinfo_to_SamInfo3 failed: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ *pinfo3 = info3;
DEBUG(10, ("Authenticaticating user %s\\%s returned %s\n", domain,
user, nt_errstr(status)));
+ TALLOC_FREE(frame);
return status;
}
static NTSTATUS winbind_samlogon_retry_loop(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32_t logon_parameters,
- const char *server,
const char *username,
+ const char *password,
const char *domainname,
const char *workstation,
+ bool plaintext_given,
const uint8_t chal[8],
DATA_BLOB lm_response,
DATA_BLOB nt_response,
- struct netr_SamInfo3 **info3)
+ bool interactive,
+ uint8_t *authoritative,
+ uint32_t *flags,
+ uint16_t *_validation_level,
+ union netr_Validation **_validation)
{
int attempts = 0;
int netr_attempts = 0;
bool retry = false;
NTSTATUS result;
+ enum netr_LogonInfoClass logon_type_i;
+ enum netr_LogonInfoClass logon_type_n;
+ uint16_t validation_level = UINT16_MAX;
+ union netr_Validation *validation = NULL;
do {
struct rpc_pipe_client *netlogon_pipe;
- const struct pipe_auth_data *auth;
- uint32_t neg_flags = 0;
+ struct netlogon_creds_cli_context *netlogon_creds_ctx = NULL;
- ZERO_STRUCTP(info3);
retry = false;
- result = cm_connect_netlogon(domain, &netlogon_pipe);
+ result = cm_connect_netlogon_secure(domain, &netlogon_pipe,
+ &netlogon_creds_ctx);
+
+ if (NT_STATUS_EQUAL(result,
+ NT_STATUS_CANT_ACCESS_DOMAIN_INFO)) {
+ /*
+ * This means we don't have a trust account.
+ */
+ *authoritative = 0;
+ result = NT_STATUS_NO_SUCH_USER;
+ break;
+ }
if (!NT_STATUS_IS_OK(result)) {
DEBUG(3,("Could not open handle to NETLOGON pipe "
DEBUG(3, ("This is again a problem for this "
"particular call, forcing the close "
"of this connection\n"));
- invalidate_cm_connection(&domain->conn);
+ invalidate_cm_connection(domain);
}
/* After the second retry failover to the next DC */
*/
DEBUG(3, ("This is the third problem for this "
"particular call, adding DC to the "
- "negative cache list\n"));
+ "negative cache list: %s %s\n", domain->name, domain->dcname));
add_failed_connection_entry(domain->name,
domain->dcname,
result);
}
return result;
}
- netr_attempts = 0;
-
- auth = netlogon_pipe->auth;
- if (netlogon_pipe->dc) {
- neg_flags = netlogon_pipe->dc->negotiate_flags;
- }
-
- /* It is really important to try SamLogonEx here,
- * because in a clustered environment, we want to use
- * one machine account from multiple physical
- * computers.
- *
- * With a normal SamLogon call, we must keep the
- * credentials chain updated and intact between all
- * users of the machine account (which would imply
- * cross-node communication for every NTLM logon).
- *
- * (The credentials chain is not per NETLOGON pipe
- * connection, but globally on the server/client pair
- * by machine name).
- *
- * When using SamLogonEx, the credentials are not
- * supplied, but the session key is implied by the
- * wrapping SamLogon context.
- *
- * -- abartlet 21 April 2008
- *
- * It's also important to use NetlogonValidationSamInfo4 (6),
- * because it relies on the rpc transport encryption
- * and avoids using the global netlogon schannel
- * session key to en/decrypt secret information
- * like the user_session_key for network logons.
- *
- * [MS-APDS] 3.1.5.2 NTLM Network Logon
- * says NETLOGON_NEG_CROSS_FOREST_TRUSTS and
- * NETLOGON_NEG_AUTHENTICATED_RPC set together
- * are the indication that the server supports
- * NetlogonValidationSamInfo4 (6). And it must only
- * be used if "SealSecureChannel" is used.
- *
- * -- metze 4 February 2011
- */
- if (auth == NULL) {
- domain->can_do_validation6 = false;
- } else if (auth->auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
- domain->can_do_validation6 = false;
- } else if (auth->auth_level != DCERPC_AUTH_LEVEL_PRIVACY) {
- domain->can_do_validation6 = false;
- } else if (!(neg_flags & NETLOGON_NEG_CROSS_FOREST_TRUSTS)) {
- domain->can_do_validation6 = false;
- } else if (!(neg_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
- domain->can_do_validation6 = false;
- }
-
- if (domain->can_do_samlogon_ex && domain->can_do_validation6) {
- result = rpccli_netlogon_sam_network_logon_ex(
- netlogon_pipe,
- mem_ctx,
- logon_parameters,
- server, /* server name */
- username, /* user name */
- domainname, /* target domain */
- workstation, /* workstation */
- chal,
- 6,
- lm_response,
- nt_response,
- info3);
- } else {
- result = rpccli_netlogon_sam_network_logon(
- netlogon_pipe,
- mem_ctx,
- logon_parameters,
- server, /* server name */
- username, /* user name */
- domainname, /* target domain */
- workstation, /* workstation */
- chal,
- domain->can_do_validation6 ? 6 : 3,
- lm_response,
- nt_response,
- info3);
+ logon_type_i = NetlogonInteractiveInformation;
+ logon_type_n = NetlogonNetworkInformation;
+ if (domain->domain_trust_attribs & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST) {
+ logon_type_i = NetlogonInteractiveTransitiveInformation;
+ logon_type_n = NetlogonNetworkTransitiveInformation;
}
- if (NT_STATUS_EQUAL(result, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
-
- /*
- * It's likely that the server also does not support
- * validation level 6
- */
- domain->can_do_validation6 = false;
-
- if (domain->can_do_samlogon_ex) {
- DEBUG(3, ("Got a DC that can not do NetSamLogonEx, "
- "retrying with NetSamLogon\n"));
- domain->can_do_samlogon_ex = false;
- retry = true;
- continue;
- }
+ if (domain->domain_trust_attribs & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) {
+ logon_type_i = NetlogonInteractiveTransitiveInformation;
+ logon_type_n = NetlogonNetworkTransitiveInformation;
+ }
+ if (domain->domain_trust_attribs & LSA_TRUST_ATTRIBUTE_NON_TRANSITIVE) {
+ logon_type_i = NetlogonInteractiveInformation;
+ logon_type_n = NetlogonNetworkInformation;
+ }
- /* Got DCERPC_FAULT_OP_RNG_ERROR for SamLogon
- * (no Ex). This happens against old Samba
- * DCs. Drop the connection.
- */
- invalidate_cm_connection(&domain->conn);
- result = NT_STATUS_LOGON_FAILURE;
- break;
+ if (domain->domain_trust_attribs & LSA_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) {
+ logon_type_i = NetlogonInteractiveInformation;
+ logon_type_n = NetlogonNetworkInformation;
}
- if (domain->can_do_validation6 &&
- (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_INFO_CLASS) ||
- NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PARAMETER) ||
- NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL))) {
- DEBUG(3,("Got a DC that can not do validation level 6, "
- "retrying with level 3\n"));
- domain->can_do_validation6 = false;
- retry = true;
- continue;
+ netr_attempts = 0;
+ if (plaintext_given) {
+ result = rpccli_netlogon_password_logon(
+ netlogon_creds_ctx,
+ netlogon_pipe->binding_handle,
+ mem_ctx,
+ logon_parameters,
+ domainname,
+ username,
+ password,
+ workstation,
+ logon_type_i,
+ authoritative,
+ flags,
+ &validation_level,
+ &validation);
+ } else if (interactive) {
+ result = rpccli_netlogon_interactive_logon(
+ netlogon_creds_ctx,
+ netlogon_pipe->binding_handle,
+ mem_ctx,
+ logon_parameters,
+ username,
+ domainname,
+ workstation,
+ lm_response,
+ nt_response,
+ logon_type_i,
+ authoritative,
+ flags,
+ &validation_level,
+ &validation);
+ } else {
+ result = rpccli_netlogon_network_logon(
+ netlogon_creds_ctx,
+ netlogon_pipe->binding_handle,
+ mem_ctx,
+ logon_parameters,
+ username,
+ domainname,
+ workstation,
+ chal,
+ lm_response,
+ nt_response,
+ logon_type_n,
+ authoritative,
+ flags,
+ &validation_level,
+ &validation);
}
/*
rpc changetrustpw' */
if ( NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) ) {
- DEBUG(3,("winbind_samlogon_retry_loop: sam_logon returned "
- "ACCESS_DENIED. Maybe the trust account "
+ DEBUG(1,("winbind_samlogon_retry_loop: sam_logon returned "
+ "ACCESS_DENIED. Maybe the DC has Restrict "
+ "NTLM set or the trust account "
"password was changed and we didn't know it. "
"Killing connections to domain %s\n",
domainname));
- invalidate_cm_connection(&domain->conn);
+ invalidate_cm_connection(domain);
retry = true;
}
+ if (NT_STATUS_EQUAL(result, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
+ /*
+ * Got DCERPC_FAULT_OP_RNG_ERROR for SamLogon
+ * (no Ex). This happens against old Samba
+ * DCs, if LogonSamLogonEx() fails with an error
+ * e.g. NT_STATUS_NO_SUCH_USER or NT_STATUS_WRONG_PASSWORD.
+ *
+ * The server will log something like this:
+ * api_net_sam_logon_ex: Failed to marshall NET_R_SAM_LOGON_EX.
+ *
+ * This sets the whole connection into a fault_state mode
+ * and all following request get NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE.
+ *
+ * This also happens to our retry with LogonSamLogonWithFlags()
+ * and LogonSamLogon().
+ *
+ * In order to recover from this situation, we need to
+ * drop the connection.
+ */
+ invalidate_cm_connection(domain);
+ result = NT_STATUS_LOGON_FAILURE;
+ break;
+ }
+
} while ( (attempts < 2) && retry );
if (NT_STATUS_EQUAL(result, NT_STATUS_IO_TIMEOUT)) {
DEBUG(3,("winbind_samlogon_retry_loop: sam_network_logon(ex) "
- "returned NT_STATUS_IO_TIMEOUT after the retry."
+ "returned NT_STATUS_IO_TIMEOUT after the retry. "
"Killing connections to domain %s\n",
domainname));
- invalidate_cm_connection(&domain->conn);
+ invalidate_cm_connection(domain);
}
- return result;
+
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ *_validation_level = validation_level;
+ *_validation = validation;
+ return NT_STATUS_OK;
}
-static NTSTATUS winbindd_dual_pam_auth_samlogon(TALLOC_CTX *mem_ctx,
- struct winbindd_domain *domain,
- const char *user,
- const char *pass,
- uint32_t request_flags,
- struct netr_SamInfo3 **info3)
+static NTSTATUS winbindd_dual_pam_auth_samlogon(
+ TALLOC_CTX *mem_ctx,
+ struct winbindd_domain *domain,
+ const char *user,
+ const char *pass,
+ uint32_t request_flags,
+ uint16_t *_validation_level,
+ union netr_Validation **_validation)
{
uchar chal[8];
DATA_BLOB lm_resp;
DATA_BLOB nt_resp;
unsigned char local_nt_response[24];
- fstring name_domain, name_user;
+ fstring name_namespace, name_domain, name_user;
NTSTATUS result;
- struct netr_SamInfo3 *my_info3 = NULL;
-
- *info3 = NULL;
+ uint8_t authoritative = 0;
+ uint32_t flags = 0;
+ uint16_t validation_level;
+ union netr_Validation *validation = NULL;
+ struct netr_SamBaseInfo *base_info = NULL;
+ bool ok;
DEBUG(10,("winbindd_dual_pam_auth_samlogon\n"));
/* Parse domain and username */
- parse_domain_user(user, name_domain, name_user);
+ ok = parse_domain_user(user, name_namespace, name_domain, name_user);
+ if (!ok) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
- /* do password magic */
+ /*
+ * We check against domain->name instead of
+ * name_domain, as find_auth_domain() ->
+ * find_domain_from_name_noinit() already decided
+ * that we are in a child for the correct domain.
+ *
+ * name_domain can also be lp_realm()
+ * we need to check against domain->name.
+ */
+ if (strequal(domain->name, get_global_sam_name())) {
+ DATA_BLOB chal_blob = data_blob_const(chal, sizeof(chal));
+ struct netr_SamInfo3 *info3 = NULL;
+
+ /* do password magic */
+
+ generate_random_buffer(chal, sizeof(chal));
+
+ if (lp_client_ntlmv2_auth()) {
+ DATA_BLOB server_chal;
+ DATA_BLOB names_blob;
+ server_chal = data_blob_const(chal, 8);
+
+ /* note that the 'workgroup' here is for the local
+ machine. The 'server name' must match the
+ 'workstation' passed to the actual SamLogon call.
+ */
+ names_blob = NTLMv2_generate_names_blob(
+ mem_ctx, lp_netbios_name(), lp_workgroup());
+
+ if (!SMBNTLMv2encrypt(mem_ctx, name_user, name_domain,
+ pass,
+ &server_chal,
+ &names_blob,
+ &lm_resp, &nt_resp, NULL, NULL)) {
+ data_blob_free(&names_blob);
+ DEBUG(0, ("winbindd_pam_auth: SMBNTLMv2encrypt() failed!\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ data_blob_free(&names_blob);
+ } else {
+ lm_resp = data_blob_null;
+ SMBNTencrypt(pass, chal, local_nt_response);
- generate_random_buffer(chal, sizeof(chal));
+ nt_resp = data_blob_talloc(mem_ctx, local_nt_response,
+ sizeof(local_nt_response));
+ }
- if (lp_client_ntlmv2_auth()) {
- DATA_BLOB server_chal;
- DATA_BLOB names_blob;
- server_chal = data_blob_const(chal, 8);
+ result = winbindd_dual_auth_passdb(
+ talloc_tos(), 0, name_domain, name_user,
+ &chal_blob, &lm_resp, &nt_resp,
+ true, /* interactive */
+ &authoritative,
+ &info3);
- /* note that the 'workgroup' here is for the local
- machine. The 'server name' must match the
- 'workstation' passed to the actual SamLogon call.
- */
- names_blob = NTLMv2_generate_names_blob(
- mem_ctx, lp_netbios_name(), lp_workgroup());
+ /*
+ * We need to try the remote NETLOGON server if this is
+ * not authoritative (for example on the RODC).
+ */
+ if (authoritative != 0) {
+ if (NT_STATUS_IS_OK(result)) {
+ result = map_info3_to_validation(
+ mem_ctx,
+ info3,
+ &validation_level,
+ &validation);
+ TALLOC_FREE(info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
+ }
- if (!SMBNTLMv2encrypt(mem_ctx, name_user, name_domain,
- pass,
- &server_chal,
- &names_blob,
- &lm_resp, &nt_resp, NULL, NULL)) {
- data_blob_free(&names_blob);
- DEBUG(0, ("winbindd_pam_auth: SMBNTLMv2encrypt() failed!\n"));
- result = NT_STATUS_NO_MEMORY;
goto done;
}
- data_blob_free(&names_blob);
- } else {
- lm_resp = data_blob_null;
- SMBNTencrypt(pass, chal, local_nt_response);
-
- nt_resp = data_blob_talloc(mem_ctx, local_nt_response,
- sizeof(local_nt_response));
- }
-
- if (strequal(name_domain, get_global_sam_name())) {
- DATA_BLOB chal_blob = data_blob_const(chal, sizeof(chal));
-
- result = winbindd_dual_auth_passdb(
- mem_ctx, 0, name_domain, name_user,
- &chal_blob, &lm_resp, &nt_resp, info3);
- goto done;
}
/* check authentication loop */
result = winbind_samlogon_retry_loop(domain,
mem_ctx,
0,
- domain->dcname,
name_user,
+ pass,
name_domain,
lp_netbios_name(),
- chal,
- lm_resp,
- nt_resp,
- &my_info3);
+ true, /* plaintext_given */
+ NULL,
+ data_blob_null, data_blob_null,
+ true, /* interactive */
+ &authoritative,
+ &flags,
+ &validation_level,
+ &validation);
if (!NT_STATUS_IS_OK(result)) {
goto done;
}
/* handle the case where a NT4 DC does not fill in the acct_flags in
* the samlogon reply info3. When accurate info3 is required by the
- * caller, we look up the account flags ourselve - gd */
-
+ * caller, we look up the account flags ourselves - gd */
+
+ switch (validation_level) {
+ case 3:
+ base_info = &validation->sam3->base;
+ break;
+ case 6:
+ base_info = &validation->sam6->base;
+ break;
+ default:
+ DBG_ERR("Bad validation level %d", (int)validation_level);
+ result = NT_STATUS_INTERNAL_ERROR;
+ goto done;
+ }
if ((request_flags & WBFLAG_PAM_INFO3_TEXT) &&
- NT_STATUS_IS_OK(result) && (my_info3->base.acct_flags == 0)) {
-
+ (base_info->acct_flags == 0))
+ {
struct rpc_pipe_client *samr_pipe;
struct policy_handle samr_domain_handle, user_pol;
union samr_UserInfo *info = NULL;
NTSTATUS status_tmp, result_tmp;
- uint32 acct_flags;
+ uint32_t acct_flags;
struct dcerpc_binding_handle *b;
- status_tmp = cm_connect_sam(domain, mem_ctx,
+ status_tmp = cm_connect_sam(domain, mem_ctx, false,
&samr_pipe, &samr_domain_handle);
if (!NT_STATUS_IS_OK(status_tmp)) {
status_tmp = dcerpc_samr_OpenUser(b, mem_ctx,
&samr_domain_handle,
MAXIMUM_ALLOWED_ACCESS,
- my_info3->base.rid,
+ base_info->rid,
&user_pol,
&result_tmp);
&info,
&result_tmp);
- if (!NT_STATUS_IS_OK(status_tmp)) {
+ if (any_nt_status_not_ok(status_tmp, result_tmp,
+ &status_tmp)) {
DEBUG(3, ("could not query user info on SAMR pipe: %s\n",
nt_errstr(status_tmp)));
dcerpc_samr_Close(b, mem_ctx, &user_pol, &result_tmp);
goto done;
}
- if (!NT_STATUS_IS_OK(result_tmp)) {
- DEBUG(3, ("could not query user info on SAMR pipe: %s\n",
- nt_errstr(result_tmp)));
- dcerpc_samr_Close(b, mem_ctx, &user_pol, &result_tmp);
- goto done;
- }
acct_flags = info->info16.acct_flags;
goto done;
}
- my_info3->base.acct_flags = acct_flags;
+ base_info->acct_flags = acct_flags;
DEBUG(10,("successfully retrieved acct_flags 0x%x\n", acct_flags));
dcerpc_samr_Close(b, mem_ctx, &user_pol, &result_tmp);
}
- *info3 = my_info3;
done:
+ if (NT_STATUS_IS_OK(result)) {
+ *_validation_level = validation_level;
+ *_validation = validation;
+ }
return result;
}
{
NTSTATUS result = NT_STATUS_LOGON_FAILURE;
NTSTATUS krb5_result = NT_STATUS_OK;
- fstring name_domain, name_user;
+ fstring name_namespace, name_domain, name_user;
char *mapped_user;
fstring domain_user;
- struct netr_SamInfo3 *info3 = NULL;
+ uint16_t validation_level = UINT16_MAX;
+ union netr_Validation *validation = NULL;
NTSTATUS name_map_status = NT_STATUS_UNSUCCESSFUL;
+ bool ok;
/* Ensure null termination */
state->request->data.auth.user[sizeof(state->request->data.auth.user)-1]='\0';
mapped_user = state->request->data.auth.user;
}
- parse_domain_user(mapped_user, name_domain, name_user);
+ ok = parse_domain_user(mapped_user,
+ name_namespace,
+ name_domain,
+ name_user);
+ if (!ok) {
+ result = NT_STATUS_INVALID_PARAMETER;
+ goto process_result;
+ }
if ( mapped_user != state->request->data.auth.user ) {
fstr_sprintf( domain_user, "%s%c%s", name_domain,
"request in startup mode.\n", domain->name ));
winbindd_flush_negative_conn_cache(domain);
- result = init_dc_connection(domain);
+ result = init_dc_connection(domain, false);
}
}
/* Check for Kerberos authentication */
if (domain->online && (state->request->flags & WBFLAG_PAM_KRB5)) {
+ struct netr_SamInfo6 *info6 = NULL;
- result = winbindd_dual_pam_auth_kerberos(domain, state, &info3);
+ result = winbindd_dual_pam_auth_kerberos(domain, state, &info6);
/* save for later */
krb5_result = result;
-
if (NT_STATUS_IS_OK(result)) {
DEBUG(10,("winbindd_dual_pam_auth_kerberos succeeded\n"));
+
+ result = map_info6_to_validation(state->mem_ctx,
+ info6,
+ &validation_level,
+ &validation);
+ TALLOC_FREE(info6);
+ if (!NT_STATUS_IS_OK(result)) {
+ DBG_ERR("map_info6_to_validation failed\n");
+ goto done;
+ }
goto process_result;
- } else {
- DEBUG(10,("winbindd_dual_pam_auth_kerberos failed: %s\n", nt_errstr(result)));
}
+ DBG_DEBUG("winbindd_dual_pam_auth_kerberos failed: %s\n",
+ nt_errstr(result));
+
if (NT_STATUS_EQUAL(result, NT_STATUS_NO_LOGON_SERVERS) ||
NT_STATUS_EQUAL(result, NT_STATUS_IO_TIMEOUT) ||
NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
sam_logon:
/* Check for Samlogon authentication */
if (domain->online) {
+ struct netr_SamBaseInfo *base_info = NULL;
+
result = winbindd_dual_pam_auth_samlogon(
state->mem_ctx, domain,
state->request->data.auth.user,
state->request->data.auth.pass,
state->request->flags,
- &info3);
+ &validation_level,
+ &validation);
if (NT_STATUS_IS_OK(result)) {
DEBUG(10,("winbindd_dual_pam_auth_samlogon succeeded\n"));
+
+ switch (validation_level) {
+ case 3:
+ base_info = &validation->sam3->base;
+ break;
+ case 6:
+ base_info = &validation->sam6->base;
+ break;
+ default:
+ DBG_ERR("Bad validation level %d\n",
+ validation_level);
+ result = NT_STATUS_INTERNAL_ERROR;
+ goto done;
+ }
+
/* add the Krb5 err if we have one */
if ( NT_STATUS_EQUAL(krb5_result, NT_STATUS_TIME_DIFFERENCE_AT_DC ) ) {
- info3->base.user_flags |= LOGON_KRB5_FAIL_CLOCK_SKEW;
+ base_info->user_flags |= LOGON_KRB5_FAIL_CLOCK_SKEW;
}
+
goto process_result;
}
goto cached_logon;
}
- if (domain->online) {
- /* We're still online - fail. */
- goto done;
- }
+ if (domain->online) {
+ /* We're still online - fail. */
+ goto done;
+ }
}
cached_logon:
/* Check for Cached logons */
if (!domain->online && (state->request->flags & WBFLAG_PAM_CACHED_LOGIN) &&
lp_winbind_offline_logon()) {
+ struct netr_SamInfo3 *info3 = NULL;
result = winbindd_dual_pam_auth_cached(domain, state, &info3);
- if (NT_STATUS_IS_OK(result)) {
- DEBUG(10,("winbindd_dual_pam_auth_cached succeeded\n"));
- goto process_result;
- } else {
+ if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("winbindd_dual_pam_auth_cached failed: %s\n", nt_errstr(result)));
goto done;
}
+ DEBUG(10,("winbindd_dual_pam_auth_cached succeeded\n"));
+
+ result = map_info3_to_validation(state->mem_ctx,
+ info3,
+ &validation_level,
+ &validation);
+ TALLOC_FREE(info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ DBG_ERR("map_info3_to_validation failed\n");
+ goto done;
+ }
}
process_result:
if (NT_STATUS_IS_OK(result)) {
-
struct dom_sid user_sid;
-
- /* In all codepaths where result == NT_STATUS_OK info3 must have
- been initialized. */
- if (!info3) {
+ TALLOC_CTX *base_ctx = NULL;
+ struct netr_SamBaseInfo *base_info = NULL;
+ struct netr_SamInfo3 *info3 = NULL;
+
+ switch (validation_level) {
+ case 3:
+ base_ctx = validation->sam3;
+ base_info = &validation->sam3->base;
+ break;
+ case 6:
+ base_ctx = validation->sam6;
+ base_info = &validation->sam6->base;
+ break;
+ default:
result = NT_STATUS_INTERNAL_ERROR;
goto done;
}
- sid_compose(&user_sid, info3->base.domain_sid,
- info3->base.rid);
+ sid_compose(&user_sid, base_info->domain_sid, base_info->rid);
+
+ if (base_info->full_name.string == NULL) {
+ struct netr_SamInfo3 *cached_info3;
+
+ cached_info3 = netsamlogon_cache_get(state->mem_ctx,
+ &user_sid);
+ if (cached_info3 != NULL &&
+ cached_info3->base.full_name.string != NULL) {
+ base_info->full_name.string = talloc_strdup(
+ base_ctx,
+ cached_info3->base.full_name.string);
+ if (base_info->full_name.string == NULL) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ } else {
+
+ /* this might fail so we don't check the return code */
+ wcache_query_user_fullname(domain,
+ base_ctx,
+ &user_sid,
+ &base_info->full_name.string);
+ }
+ }
+
+ result = map_validation_to_info3(talloc_tos(),
+ validation_level,
+ validation,
+ &info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
wcache_invalidate_samlogon(find_domain_from_name(name_domain),
&user_sid);
}
result = append_auth_data(state->mem_ctx, state->response,
- state->request->flags, info3,
+ state->request->flags,
+ validation_level,
+ validation,
name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
goto done;
}
if (state->request->flags & WBFLAG_PAM_GET_PWD_POLICY) {
- struct winbindd_domain *our_domain = find_our_domain();
-
- /* This is not entirely correct I believe, but it is
- consistent. Only apply the password policy settings
- too warn users for our own domain. Cannot obtain these
- from trusted DCs all the time so don't do it at all.
- -- jerry */
-
- result = NT_STATUS_NOT_SUPPORTED;
- if (our_domain == domain ) {
- result = fillup_password_policy(
- our_domain, state->response);
- }
-
- if (!NT_STATUS_IS_OK(result)
- && !NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED) )
- {
- DEBUG(10,("Failed to get password policies for domain %s: %s\n",
- domain->name, nt_errstr(result)));
- goto done;
- }
+ /*
+ * WBFLAG_PAM_GET_PWD_POLICY is not used within
+ * any Samba caller anymore.
+ *
+ * We just fake this based on the effective values
+ * for the user, for legacy callers.
+ */
+ fake_password_policy(state->response, &info3->base);
}
result = NT_STATUS_OK;
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
+NTSTATUS winbind_dual_SamLogon(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ bool interactive,
+ uint32_t logon_parameters,
+ const char *name_user,
+ const char *name_domain,
+ const char *workstation,
+ const uint8_t chal[8],
+ DATA_BLOB lm_response,
+ DATA_BLOB nt_response,
+ uint8_t *authoritative,
+ bool skip_sam,
+ uint32_t *flags,
+ uint16_t *_validation_level,
+ union netr_Validation **_validation)
+{
+ uint16_t validation_level = 0;
+ union netr_Validation *validation = NULL;
+ NTSTATUS result;
+
+ /*
+ * We check against domain->name instead of
+ * name_domain, as find_auth_domain() ->
+ * find_domain_from_name_noinit() already decided
+ * that we are in a child for the correct domain.
+ *
+ * name_domain can also be lp_realm()
+ * we need to check against domain->name.
+ */
+ if (!skip_sam && strequal(domain->name, get_global_sam_name())) {
+ DATA_BLOB chal_blob = data_blob_const(
+ chal, 8);
+ struct netr_SamInfo3 *info3 = NULL;
+
+ result = winbindd_dual_auth_passdb(
+ talloc_tos(),
+ logon_parameters,
+ name_domain, name_user,
+ &chal_blob, &lm_response, &nt_response,
+ interactive,
+ authoritative,
+ &info3);
+ if (NT_STATUS_IS_OK(result)) {
+ result = map_info3_to_validation(mem_ctx,
+ info3,
+ &validation_level,
+ &validation);
+ TALLOC_FREE(info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
+ }
+
+ /*
+ * We need to try the remote NETLOGON server if this is
+ * not authoritative.
+ */
+ if (*authoritative != 0) {
+ *flags = 0;
+ goto process_result;
+ }
+ }
+
+ result = winbind_samlogon_retry_loop(domain,
+ mem_ctx,
+ logon_parameters,
+ name_user,
+ NULL, /* password */
+ name_domain,
+ /* Bug #3248 - found by Stefan Burkei. */
+ workstation, /* We carefully set this above so use it... */
+ false, /* plaintext_given */
+ chal,
+ lm_response,
+ nt_response,
+ interactive,
+ authoritative,
+ flags,
+ &validation_level,
+ &validation);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
+
+process_result:
+
+ if (NT_STATUS_IS_OK(result)) {
+ struct dom_sid user_sid;
+ TALLOC_CTX *base_ctx = NULL;
+ struct netr_SamBaseInfo *base_info = NULL;
+ struct netr_SamInfo3 *info3 = NULL;
+
+ switch (validation_level) {
+ case 3:
+ base_ctx = validation->sam3;
+ base_info = &validation->sam3->base;
+ break;
+ case 6:
+ base_ctx = validation->sam6;
+ base_info = &validation->sam6->base;
+ break;
+ default:
+ result = NT_STATUS_INTERNAL_ERROR;
+ goto done;
+ }
+
+ sid_compose(&user_sid, base_info->domain_sid, base_info->rid);
+
+ if (base_info->full_name.string == NULL) {
+ struct netr_SamInfo3 *cached_info3;
+
+ cached_info3 = netsamlogon_cache_get(mem_ctx,
+ &user_sid);
+ if (cached_info3 != NULL &&
+ cached_info3->base.full_name.string != NULL)
+ {
+ base_info->full_name.string = talloc_strdup(
+ base_ctx,
+ cached_info3->base.full_name.string);
+ } else {
+
+ /* this might fail so we don't check the return code */
+ wcache_query_user_fullname(domain,
+ base_ctx,
+ &user_sid,
+ &base_info->full_name.string);
+ }
+ }
+
+ result = map_validation_to_info3(talloc_tos(),
+ validation_level,
+ validation,
+ &info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
+ wcache_invalidate_samlogon(find_domain_from_name(name_domain),
+ &user_sid);
+ netsamlogon_cache_store(name_user, info3);
+ TALLOC_FREE(info3);
+ }
+
+done:
+
+ /* give us a more useful (more correct?) error code */
+ if ((NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND) ||
+ (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)))) {
+ result = NT_STATUS_NO_LOGON_SERVERS;
+ }
+
+ DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2,
+ ("NTLM CRAP authentication for user [%s]\\[%s] returned %s\n",
+ name_domain,
+ name_user,
+ nt_errstr(result)));
+
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ *_validation_level = validation_level;
+ *_validation = validation;
+ return NT_STATUS_OK;
+}
+
enum winbindd_result winbindd_dual_pam_auth_crap(struct winbindd_domain *domain,
struct winbindd_cli_state *state)
{
NTSTATUS result;
- struct netr_SamInfo3 *info3 = NULL;
const char *name_user = NULL;
const char *name_domain = NULL;
const char *workstation;
-
+ uint8_t authoritative = 0;
+ uint32_t flags = 0;
+ uint16_t validation_level;
+ union netr_Validation *validation = NULL;
DATA_BLOB lm_resp, nt_resp;
/* This is child-only, so no check for privileged access is needed
state->request->data.auth_crap.nt_resp_len);
}
- if (strequal(name_domain, get_global_sam_name())) {
- DATA_BLOB chal_blob = data_blob_const(
- state->request->data.auth_crap.chal,
- sizeof(state->request->data.auth_crap.chal));
-
- result = winbindd_dual_auth_passdb(
- state->mem_ctx,
- state->request->data.auth_crap.logon_parameters,
- name_domain, name_user,
- &chal_blob, &lm_resp, &nt_resp, &info3);
- goto process_result;
- }
-
- result = winbind_samlogon_retry_loop(domain,
- state->mem_ctx,
- state->request->data.auth_crap.logon_parameters,
- domain->dcname,
- name_user,
- name_domain,
- /* Bug #3248 - found by Stefan Burkei. */
- workstation, /* We carefully set this above so use it... */
- state->request->data.auth_crap.chal,
- lm_resp,
- nt_resp,
- &info3);
+ result = winbind_dual_SamLogon(domain,
+ state->mem_ctx,
+ false, /* interactive */
+ state->request->data.auth_crap.logon_parameters,
+ name_user,
+ name_domain,
+ /* Bug #3248 - found by Stefan Burkei. */
+ workstation, /* We carefully set this above so use it... */
+ state->request->data.auth_crap.chal,
+ lm_resp,
+ nt_resp,
+ &authoritative,
+ false,
+ &flags,
+ &validation_level,
+ &validation);
if (!NT_STATUS_IS_OK(result)) {
+ state->response->data.auth.authoritative = authoritative;
goto done;
}
-process_result:
-
if (NT_STATUS_IS_OK(result)) {
- struct dom_sid user_sid;
+ struct netr_SamInfo3 *info3 = NULL;
- sid_compose(&user_sid, info3->base.domain_sid,
- info3->base.rid);
- wcache_invalidate_samlogon(find_domain_from_name(name_domain),
- &user_sid);
- netsamlogon_cache_store(name_user, info3);
+ result = map_validation_to_info3(state->mem_ctx,
+ validation_level,
+ validation,
+ &info3);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
/* Check if the user is in the right group */
-
result = check_info3_in_group(
info3,
state->request->data.auth_crap.require_membership_of_sid);
}
result = append_auth_data(state->mem_ctx, state->response,
- state->request->flags, info3,
+ state->request->flags,
+ validation_level,
+ validation,
name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
goto done;
done:
- /* give us a more useful (more correct?) error code */
- if ((NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND) ||
- (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)))) {
- result = NT_STATUS_NO_LOGON_SERVERS;
- }
-
if (state->request->flags & WBFLAG_PAM_NT_STATUS_SQUASH) {
result = nt_status_squash(result);
}
set_auth_errors(state->response, result);
- DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2,
- ("NTLM CRAP authentication for user [%s]\\[%s] returned %s (PAM: %d)\n",
- name_domain,
- name_user,
- state->response->data.auth.nt_status_string,
- state->response->data.auth.pam_error));
-
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
struct samr_DomInfo1 *info = NULL;
struct userPwdChangeFailureInformation *reject = NULL;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
- fstring domain, user;
+ fstring namespace, domain, user;
struct dcerpc_binding_handle *b = NULL;
+ bool ok;
ZERO_STRUCT(dom_pol);
DEBUG(3, ("[%5lu]: dual pam chauthtok %s\n", (unsigned long)state->pid,
state->request->data.auth.user));
- if (!parse_domain_user(state->request->data.chauthtok.user, domain, user)) {
+ ok = parse_domain_user(state->request->data.chauthtok.user,
+ namespace,
+ domain,
+ user);
+ if (!ok) {
goto done;
}
/* Get sam handle */
- result = cm_connect_sam(contact_domain, state->mem_ctx, &cli,
+ result = cm_connect_sam(contact_domain, state->mem_ctx, true, &cli,
&dom_pol);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1, ("could not get SAM handle on DC for %s\n", domain));
#ifdef HAVE_KRB5
- if (state->request->data.logoff.uid < 0) {
+ if (state->request->data.logoff.uid == (uid_t)-1) {
DEBUG(0,("winbindd_pam_logoff: invalid uid\n"));
goto process_result;
}
DATA_BLOB old_nt_hash_enc;
DATA_BLOB new_lm_password;
DATA_BLOB old_lm_hash_enc;
- fstring domain,user;
+ fstring namespace, domain, user;
struct policy_handle dom_pol;
struct winbindd_domain *contact_domain = domainSt;
struct rpc_pipe_client *cli = NULL;
sizeof(state->request->data.chng_pswd_auth_crap.user)-1]=0;
state->request->data.chng_pswd_auth_crap.domain[
sizeof(state->request->data.chng_pswd_auth_crap.domain)-1]=0;
- *domain = 0;
- *user = 0;
+ domain[0] = '\0';
+ namespace[0] = '\0';
+ user[0] = '\0';
DEBUG(3, ("[%5lu]: pam change pswd auth crap domain: %s user: %s\n",
(unsigned long)state->pid,
if (*state->request->data.chng_pswd_auth_crap.domain) {
fstrcpy(domain,state->request->data.chng_pswd_auth_crap.domain);
} else {
- parse_domain_user(state->request->data.chng_pswd_auth_crap.user,
- domain, user);
+ bool ok;
+
+ ok = parse_domain_user(state->request->data.chng_pswd_auth_crap.user,
+ namespace,
+ domain,
+ user);
+ if (!ok) {
+ result = NT_STATUS_INVALID_PARAMETER;
+ goto done;
+ }
if(!*domain) {
DEBUG(3,("no domain specified with username (%s) - "
/* Get sam handle */
- result = cm_connect_sam(contact_domain, state->mem_ctx, &cli, &dom_pol);
+ result = cm_connect_sam(contact_domain, state->mem_ctx, true, &cli, &dom_pol);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1, ("could not get SAM handle on DC for %s\n", domain));
goto done;
#ifdef HAVE_KRB5
static NTSTATUS extract_pac_vrfy_sigs(TALLOC_CTX *mem_ctx, DATA_BLOB pac_blob,
- struct PAC_LOGON_INFO **logon_info)
+ struct PAC_DATA **p_pac_data)
{
krb5_context krbctx = NULL;
krb5_error_code k5ret;
k5ret = krb5_kt_next_entry(krbctx, keytab, &entry, &cursor);
while (k5ret == 0) {
- status = kerberos_pac_logon_info(mem_ctx, pac_blob,
- krbctx, NULL,
- KRB5_KT_KEY(&entry), NULL, 0,
- logon_info);
+ status = kerberos_decode_pac(mem_ctx,
+ pac_blob,
+ krbctx,
+ NULL, /* krbtgt_keyblock */
+ KRB5_KT_KEY(&entry), /* service_keyblock */
+ NULL, /* client_principal */
+ 0, /* tgs_authtime */
+ p_pac_data);
if (NT_STATUS_IS_OK(status)) {
break;
}
return status;
}
-NTSTATUS winbindd_pam_auth_pac_send(struct winbindd_cli_state *state,
- struct netr_SamInfo3 **info3)
+NTSTATUS winbindd_pam_auth_pac_verify(struct winbindd_cli_state *state,
+ bool *p_is_trusted,
+ uint16_t *p_validation_level,
+ union netr_Validation **p_validation)
{
struct winbindd_request *req = state->request;
DATA_BLOB pac_blob;
+ struct PAC_DATA *pac_data = NULL;
struct PAC_LOGON_INFO *logon_info = NULL;
+ struct PAC_UPN_DNS_INFO *upn_dns_info = NULL;
+ struct netr_SamInfo6 *info6 = NULL;
+ uint16_t validation_level = 0;
+ union netr_Validation *validation = NULL;
+ struct netr_SamInfo3 *info3_copy = NULL;
NTSTATUS result;
+ bool is_trusted = false;
+ uint32_t i;
+
+ *p_is_trusted = false;
+ *p_validation_level = 0;
+ *p_validation = NULL;
pac_blob = data_blob_const(req->extra_data.data, req->extra_len);
- result = extract_pac_vrfy_sigs(state->mem_ctx, pac_blob, &logon_info);
- if (!NT_STATUS_IS_OK(result) &&
- !NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
+ result = extract_pac_vrfy_sigs(state->mem_ctx, pac_blob, &pac_data);
+ if (NT_STATUS_IS_OK(result)) {
+ is_trusted = true;
+ }
+ if (NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
+ /* Try without signature verification */
+ result = kerberos_decode_pac(state->mem_ctx,
+ pac_blob,
+ NULL, /* krb5_context */
+ NULL, /* krbtgt_keyblock */
+ NULL, /* service_keyblock */
+ NULL, /* client_principal */
+ 0, /* tgs_authtime */
+ &pac_data);
+ }
+ if (!NT_STATUS_IS_OK(result)) {
DEBUG(1, ("Error during PAC signature verification: %s\n",
nt_errstr(result)));
return result;
}
- if (logon_info) {
- /* Signature verification succeeded, trust the PAC */
- netsamlogon_cache_store(NULL, &logon_info->info3);
-
- } else {
- /* Try without signature verification */
- result = kerberos_pac_logon_info(state->mem_ctx, pac_blob, NULL,
- NULL, NULL, NULL, 0,
- &logon_info);
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("Could not extract PAC: %s\n",
- nt_errstr(result)));
- return result;
+ for (i=0; i < pac_data->num_buffers; i++) {
+ if (pac_data->buffers[i].type == PAC_TYPE_LOGON_INFO) {
+ logon_info = pac_data->buffers[i].info->logon_info.info;
+ continue;
+ }
+ if (pac_data->buffers[i].type == PAC_TYPE_UPN_DNS_INFO) {
+ upn_dns_info = &pac_data->buffers[i].info->upn_dns_info;
+ continue;
}
}
- *info3 = &logon_info->info3;
+ result = create_info6_from_pac(state->mem_ctx,
+ logon_info,
+ upn_dns_info,
+ &info6);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ result = map_info6_to_validation(state->mem_ctx,
+ info6,
+ &validation_level,
+ &validation);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ result = map_validation_to_info3(state->mem_ctx,
+ validation_level,
+ validation,
+ &info3_copy);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+ if (is_trusted) {
+ /*
+ * Signature verification succeeded, we can
+ * trust the PAC and prime the netsamlogon
+ * and name2sid caches. DO NOT DO THIS
+ * in the signature verification failed
+ * code path.
+ */
+ struct winbindd_domain *domain = NULL;
+
+ netsamlogon_cache_store(NULL, info3_copy);
+
+ /*
+ * We're in the parent here, so find the child
+ * pointer from the PAC domain name.
+ */
+ domain = find_lookup_domain_from_name(
+ info3_copy->base.logon_domain.string);
+ if (domain && domain->primary ) {
+ struct dom_sid user_sid;
+
+ sid_compose(&user_sid,
+ info3_copy->base.domain_sid,
+ info3_copy->base.rid);
+
+ cache_name2sid_trusted(domain,
+ info3_copy->base.logon_domain.string,
+ info3_copy->base.account_name.string,
+ SID_NAME_USER,
+ &user_sid);
+
+ DBG_INFO("PAC for user %s\\%s SID %s primed cache\n",
+ info3_copy->base.logon_domain.string,
+ info3_copy->base.account_name.string,
+ sid_string_dbg(&user_sid));
+ }
+ }
+
+ *p_is_trusted = is_trusted;
+ *p_validation_level = validation_level;
+ *p_validation = validation;
return NT_STATUS_OK;
}
#else /* HAVE_KRB5 */
-NTSTATUS winbindd_pam_auth_pac_send(struct winbindd_cli_state *state,
- struct netr_SamInfo3 **info3)
+NTSTATUS winbindd_pam_auth_pac_verify(struct winbindd_cli_state *state,
+ bool *p_is_trusted,
+ uint16_t *p_validation_level,
+ union netr_Validation **p_validation);
{
+
+ *p_is_trusted = false;
+ *p_validation_level = 0;
+ *p_validation = NULL;
return NT_STATUS_NO_SUCH_USER;
}
#endif /* HAVE_KRB5 */