#include "includes.h"
#include "winbindd.h"
#include "../libcli/auth/libcli_auth.h"
-#include "../librpc/gen_ndr/cli_samr.h"
+#include "../librpc/gen_ndr/ndr_samr_c.h"
+#include "rpc_client/cli_pipe.h"
#include "rpc_client/cli_samr.h"
#include "../librpc/gen_ndr/ndr_netlogon.h"
#include "rpc_client/cli_netlogon.h"
#include "smb_krb5.h"
#include "../lib/crypto/arcfour.h"
-#include "../libcli/security/dom_sid.h"
+#include "../libcli/security/security.h"
#include "ads.h"
#include "../librpc/gen_ndr/krb5pac.h"
+#include "passdb/machine_sid.h"
+#include "auth.h"
+#include "../lib/tsocket/tsocket.h"
+#include "auth/kerberos/pac_utils.h"
+#include "auth/gensec/gensec.h"
+#include "librpc/crypto/gse_krb5.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
#define LOGON_KRB5_FAIL_CLOCK_SKEW 0x02000000
static NTSTATUS append_info3_as_txt(TALLOC_CTX *mem_ctx,
- struct winbindd_cli_state *state,
+ struct winbindd_response *resp,
struct netr_SamInfo3 *info3)
{
char *ex;
uint32_t i;
- state->response->data.auth.info3.logon_time =
- nt_time_to_unix(info3->base.last_logon);
- state->response->data.auth.info3.logoff_time =
- nt_time_to_unix(info3->base.last_logoff);
- state->response->data.auth.info3.kickoff_time =
- nt_time_to_unix(info3->base.acct_expiry);
- state->response->data.auth.info3.pass_last_set_time =
+ resp->data.auth.info3.logon_time =
+ nt_time_to_unix(info3->base.logon_time);
+ resp->data.auth.info3.logoff_time =
+ nt_time_to_unix(info3->base.logoff_time);
+ resp->data.auth.info3.kickoff_time =
+ nt_time_to_unix(info3->base.kickoff_time);
+ resp->data.auth.info3.pass_last_set_time =
nt_time_to_unix(info3->base.last_password_change);
- state->response->data.auth.info3.pass_can_change_time =
+ resp->data.auth.info3.pass_can_change_time =
nt_time_to_unix(info3->base.allow_password_change);
- state->response->data.auth.info3.pass_must_change_time =
+ resp->data.auth.info3.pass_must_change_time =
nt_time_to_unix(info3->base.force_password_change);
- state->response->data.auth.info3.logon_count = info3->base.logon_count;
- state->response->data.auth.info3.bad_pw_count = info3->base.bad_password_count;
+ resp->data.auth.info3.logon_count = info3->base.logon_count;
+ resp->data.auth.info3.bad_pw_count = info3->base.bad_password_count;
- state->response->data.auth.info3.user_rid = info3->base.rid;
- state->response->data.auth.info3.group_rid = info3->base.primary_gid;
- sid_to_fstring(state->response->data.auth.info3.dom_sid, info3->base.domain_sid);
+ resp->data.auth.info3.user_rid = info3->base.rid;
+ resp->data.auth.info3.group_rid = info3->base.primary_gid;
+ sid_to_fstring(resp->data.auth.info3.dom_sid, info3->base.domain_sid);
- state->response->data.auth.info3.num_groups = info3->base.groups.count;
- state->response->data.auth.info3.user_flgs = info3->base.user_flags;
+ resp->data.auth.info3.num_groups = info3->base.groups.count;
+ resp->data.auth.info3.user_flgs = info3->base.user_flags;
- state->response->data.auth.info3.acct_flags = info3->base.acct_flags;
- state->response->data.auth.info3.num_other_sids = info3->sidcount;
+ resp->data.auth.info3.acct_flags = info3->base.acct_flags;
+ resp->data.auth.info3.num_other_sids = info3->sidcount;
- fstrcpy(state->response->data.auth.info3.user_name,
+ fstrcpy(resp->data.auth.info3.user_name,
info3->base.account_name.string);
- fstrcpy(state->response->data.auth.info3.full_name,
+ fstrcpy(resp->data.auth.info3.full_name,
info3->base.full_name.string);
- fstrcpy(state->response->data.auth.info3.logon_script,
+ fstrcpy(resp->data.auth.info3.logon_script,
info3->base.logon_script.string);
- fstrcpy(state->response->data.auth.info3.profile_path,
+ fstrcpy(resp->data.auth.info3.profile_path,
info3->base.profile_path.string);
- fstrcpy(state->response->data.auth.info3.home_dir,
+ fstrcpy(resp->data.auth.info3.home_dir,
info3->base.home_directory.string);
- fstrcpy(state->response->data.auth.info3.dir_drive,
+ fstrcpy(resp->data.auth.info3.dir_drive,
info3->base.home_drive.string);
- fstrcpy(state->response->data.auth.info3.logon_srv,
+ fstrcpy(resp->data.auth.info3.logon_srv,
info3->base.logon_server.string);
- fstrcpy(state->response->data.auth.info3.logon_dom,
- info3->base.domain.string);
+ fstrcpy(resp->data.auth.info3.logon_dom,
+ info3->base.logon_domain.string);
- ex = talloc_strdup(state->mem_ctx, "");
+ ex = talloc_strdup(mem_ctx, "");
NT_STATUS_HAVE_NO_MEMORY(ex);
for (i=0; i < info3->base.groups.count; i++) {
talloc_free(sid);
}
- state->response->extra_data.data = ex;
- state->response->length += talloc_get_size(ex);
+ resp->extra_data.data = ex;
+ resp->length += talloc_get_size(ex);
return NT_STATUS_OK;
}
static NTSTATUS append_info3_as_ndr(TALLOC_CTX *mem_ctx,
- struct winbindd_cli_state *state,
+ struct winbindd_response *resp,
struct netr_SamInfo3 *info3)
{
DATA_BLOB blob;
return ndr_map_error2ntstatus(ndr_err);
}
- state->response->extra_data.data = blob.data;
- state->response->length += blob.length;
+ resp->extra_data.data = blob.data;
+ resp->length += blob.length;
return NT_STATUS_OK;
}
static NTSTATUS append_unix_username(TALLOC_CTX *mem_ctx,
- struct winbindd_cli_state *state,
+ struct winbindd_response *resp,
const struct netr_SamInfo3 *info3,
const char *name_domain,
const char *name_user)
const char *nt_username, *nt_domain;
- nt_domain = talloc_strdup(mem_ctx, info3->base.domain.string);
+ nt_domain = talloc_strdup(mem_ctx, info3->base.logon_domain.string);
if (!nt_domain) {
/* If the server didn't give us one, just use the one
* we sent them */
nt_username = name_user;
}
- fill_domain_username(state->response->data.auth.unix_username,
+ fill_domain_username(resp->data.auth.unix_username,
nt_domain, nt_username, true);
- DEBUG(5,("Setting unix username to [%s]\n",
- state->response->data.auth.unix_username));
+ DEBUG(5, ("Setting unix username to [%s]\n",
+ resp->data.auth.unix_username));
return NT_STATUS_OK;
}
static NTSTATUS append_afs_token(TALLOC_CTX *mem_ctx,
- struct winbindd_cli_state *state,
+ struct winbindd_response *resp,
const struct netr_SamInfo3 *info3,
const char *name_domain,
const char *name_user)
return NT_STATUS_NO_MEMORY;
}
- strlower_m(afsname);
+ if (!strlower_m(afsname)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
DEBUG(10, ("Generating token for user %s\n", afsname));
if (token == NULL) {
return NT_STATUS_OK;
}
- state->response->extra_data.data = talloc_strdup(state->mem_ctx,
- token);
- if (state->response->extra_data.data == NULL) {
+ resp->extra_data.data = talloc_strdup(mem_ctx, token);
+ if (resp->extra_data.data == NULL) {
return NT_STATUS_NO_MEMORY;
}
- state->response->length +=
- strlen((const char *)state->response->extra_data.data)+1;
+ resp->length += strlen((const char *)resp->extra_data.data)+1;
return NT_STATUS_OK;
}
*/
{
struct dom_sid *require_membership_of_sid;
- size_t num_require_membership_of_sid;
+ uint32_t num_require_membership_of_sid;
char *req_sid;
const char *p;
struct dom_sid sid;
size_t i;
- struct nt_user_token *token;
+ struct security_token *token;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!group_sid || !group_sid[0]) {
/* NO sid supplied, all users may access */
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
- token = talloc_zero(talloc_tos(), struct nt_user_token);
+ token = talloc_zero(talloc_tos(), struct security_token);
if (token == NULL) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(frame);
status = sid_array_from_info3(talloc_tos(), info3,
&token->sids,
&token->num_sids,
- true, false);
+ true);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(frame);
return status;
return status;
}
- debug_nt_user_token(DBGC_CLASS, 10, token);
+ security_token_debug(DBGC_CLASS, 10, token);
for (i=0; i<num_require_membership_of_sid; i++) {
DEBUG(10, ("Checking SID %s\n", sid_string_dbg(
r->data.auth.policy.password_properties =
p->password_properties;
r->data.auth.policy.expire =
- nt_time_to_unix_abs((NTTIME *)&(p->max_password_age));
+ nt_time_to_unix_abs((const NTTIME *)&(p->max_password_age));
r->data.auth.policy.min_passwordage =
- nt_time_to_unix_abs((NTTIME *)&(p->min_password_age));
+ nt_time_to_unix_abs((const NTTIME *)&(p->min_password_age));
}
static NTSTATUS fillup_password_policy(struct winbindd_domain *domain,
- struct winbindd_cli_state *state)
+ struct winbindd_response *response)
{
+ TALLOC_CTX *frame = talloc_stackframe();
struct winbindd_methods *methods;
- NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ NTSTATUS status;
struct samr_DomInfo1 password_policy;
if ( !winbindd_can_contact_domain( domain ) ) {
DEBUG(5,("fillup_password_policy: No inbound trust to "
"contact domain %s\n", domain->name));
- return NT_STATUS_NOT_SUPPORTED;
+ status = NT_STATUS_NOT_SUPPORTED;
+ goto done;
}
methods = domain->methods;
- status = methods->password_policy(domain, state->mem_ctx, &password_policy);
+ status = methods->password_policy(domain, talloc_tos(), &password_policy);
if (NT_STATUS_IS_ERR(status)) {
- return status;
+ goto done;
}
- fill_in_password_policy(state->response, &password_policy);
+ fill_in_password_policy(response, &password_policy);
+done:
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
static const char *generate_krb5_ccache(TALLOC_CTX *mem_ctx,
const char *type,
uid_t uid,
- bool *internal_ccache)
+ const char **user_ccache_file)
{
/* accept FILE and WRFILE as krb5_cc_type from the client and then
* build the full ccname string based on the user's uid here -
const char *gen_cc = NULL;
- *internal_ccache = true;
-
- if (uid == -1) {
- goto memory_ccache;
+ if (uid != -1) {
+ if (strequal(type, "FILE")) {
+ gen_cc = talloc_asprintf(
+ mem_ctx, "FILE:/tmp/krb5cc_%d", uid);
+ }
+ if (strequal(type, "WRFILE")) {
+ gen_cc = talloc_asprintf(
+ mem_ctx, "WRFILE:/tmp/krb5cc_%d", uid);
+ }
}
- if (!type || type[0] == '\0') {
- goto memory_ccache;
- }
+ *user_ccache_file = gen_cc;
- if (strequal(type, "FILE")) {
- gen_cc = talloc_asprintf(mem_ctx, "FILE:/tmp/krb5cc_%d", uid);
- } else if (strequal(type, "WRFILE")) {
- gen_cc = talloc_asprintf(mem_ctx, "WRFILE:/tmp/krb5cc_%d", uid);
- } else {
- DEBUG(10,("we don't allow to set a %s type ccache\n", type));
- goto memory_ccache;
+ if (gen_cc == NULL) {
+ gen_cc = talloc_strdup(mem_ctx, "MEMORY:winbindd_pam_ccache");
}
-
- *internal_ccache = false;
- goto done;
-
- memory_ccache:
- gen_cc = talloc_strdup(mem_ctx, "MEMORY:winbindd_pam_ccache");
-
- done:
if (gen_cc == NULL) {
DEBUG(0,("out of memory\n"));
return NULL;
}
- DEBUG(10,("using ccache: %s %s\n", gen_cc, *internal_ccache ? "(internal)":""));
+ DEBUG(10, ("using ccache: %s%s\n", gen_cc,
+ (*user_ccache_file == NULL) ? " (internal)":""));
return gen_cc;
}
-static void setup_return_cc_name(struct winbindd_cli_state *state, const char *cc)
-{
- const char *type = state->request->data.auth.krb5_cc_type;
-
- state->response->data.auth.krb5ccname[0] = '\0';
-
- if (type[0] == '\0') {
- return;
- }
-
- if (!strequal(type, "FILE") &&
- !strequal(type, "WRFILE")) {
- DEBUG(10,("won't return krbccname for a %s type ccache\n",
- type));
- return;
- }
-
- fstrcpy(state->response->data.auth.krb5ccname, cc);
-}
-
#endif
uid_t get_uid_from_request(struct winbindd_request *request)
return uid;
}
-static uid_t get_uid_from_state(struct winbindd_cli_state *state)
-{
- return get_uid_from_request(state->request);
-}
-
/**********************************************************************
Authenticate a user with a clear text password using Kerberos and fill up
ccache if required
**********************************************************************/
-static NTSTATUS winbindd_raw_kerberos_login(struct winbindd_domain *domain,
- struct winbindd_cli_state *state,
- struct netr_SamInfo3 **info3)
+static NTSTATUS winbindd_raw_kerberos_login(TALLOC_CTX *mem_ctx,
+ struct winbindd_domain *domain,
+ const char *user,
+ const char *pass,
+ const char *krb5_cc_type,
+ uid_t uid,
+ struct netr_SamInfo3 **info3,
+ fstring krb5ccname)
{
#ifdef HAVE_KRB5
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring name_domain, name_user;
time_t ticket_lifetime = 0;
time_t renewal_until = 0;
- uid_t uid = -1;
ADS_STRUCT *ads;
time_t time_offset = 0;
- bool internal_ccache = true;
+ const char *user_ccache_file;
struct PAC_LOGON_INFO *logon_info = NULL;
*info3 = NULL;
/* 1st step:
* prepare a krb5_cc_cache string for the user */
- uid = get_uid_from_state(state);
if (uid == -1) {
DEBUG(0,("no valid uid\n"));
}
- cc = generate_krb5_ccache(state->mem_ctx,
- state->request->data.auth.krb5_cc_type,
- state->request->data.auth.uid,
- &internal_ccache);
+ cc = generate_krb5_ccache(mem_ctx,
+ krb5_cc_type,
+ uid,
+ &user_ccache_file);
if (cc == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* 3rd step:
* do kerberos auth and setup ccache as the user */
- parse_domain_user(state->request->data.auth.user, name_domain, name_user);
+ parse_domain_user(user, name_domain, name_user);
realm = domain->alt_name;
- strupper_m(realm);
+ if (!strupper_m(realm)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
- principal_s = talloc_asprintf(state->mem_ctx, "%s@%s", name_user, realm);
+ principal_s = talloc_asprintf(mem_ctx, "%s@%s", name_user, realm);
if (principal_s == NULL) {
return NT_STATUS_NO_MEMORY;
}
- service = talloc_asprintf(state->mem_ctx, "%s/%s@%s", KRB5_TGS_NAME, realm, realm);
+ service = talloc_asprintf(mem_ctx, "%s/%s@%s", KRB5_TGS_NAME, realm, realm);
if (service == NULL) {
return NT_STATUS_NO_MEMORY;
}
/************************ ENTERING NON-ROOT **********************/
- if (!internal_ccache) {
+ if (user_ccache_file != NULL) {
set_effective_uid(uid);
DEBUG(10,("winbindd_raw_kerberos_login: uid is %d\n", uid));
}
- result = kerberos_return_pac(state->mem_ctx,
+ result = kerberos_return_pac(mem_ctx,
principal_s,
- state->request->data.auth.pass,
+ pass,
time_offset,
&ticket_lifetime,
&renewal_until,
WINBINDD_PAM_AUTH_KRB5_RENEW_TIME,
NULL,
&logon_info);
- if (!internal_ccache) {
+ if (user_ccache_file != NULL) {
gain_root_privilege();
}
/* if we had a user's ccache then return that string for the pam
* environment */
- if (!internal_ccache) {
+ if (user_ccache_file != NULL) {
- setup_return_cc_name(state, cc);
+ fstrcpy(krb5ccname, user_ccache_file);
result = add_ccache_to_list(principal_s,
cc,
service,
- state->request->data.auth.user,
+ user,
+ pass,
realm,
uid,
time(NULL),
"%s\n", error_message(krb5_ret)));
}
- if (!NT_STATUS_IS_OK(remove_ccache(state->request->data.auth.user))) {
+ if (!NT_STATUS_IS_OK(remove_ccache(user))) {
DEBUG(3,("winbindd_raw_kerberos_login: "
"could not remove ccache for user %s\n",
- state->request->data.auth.user));
+ user));
}
return result;
/****************************************************************
****************************************************************/
-static NTSTATUS append_auth_data(struct winbindd_cli_state *state,
- struct netr_SamInfo3 *info3,
- const char *name_domain,
- const char *name_user)
+NTSTATUS append_auth_data(TALLOC_CTX *mem_ctx,
+ struct winbindd_response *resp,
+ uint32_t request_flags,
+ struct netr_SamInfo3 *info3,
+ const char *name_domain,
+ const char *name_user)
{
NTSTATUS result;
- uint32_t flags = state->request->flags;
- if (flags & WBFLAG_PAM_USER_SESSION_KEY) {
- memcpy(state->response->data.auth.user_session_key,
+ if (request_flags & WBFLAG_PAM_USER_SESSION_KEY) {
+ memcpy(resp->data.auth.user_session_key,
info3->base.key.key,
- sizeof(state->response->data.auth.user_session_key)
+ sizeof(resp->data.auth.user_session_key)
/* 16 */);
}
- if (flags & WBFLAG_PAM_LMKEY) {
- memcpy(state->response->data.auth.first_8_lm_hash,
+ if (request_flags & WBFLAG_PAM_LMKEY) {
+ memcpy(resp->data.auth.first_8_lm_hash,
info3->base.LMSessKey.key,
- sizeof(state->response->data.auth.first_8_lm_hash)
+ sizeof(resp->data.auth.first_8_lm_hash)
/* 8 */);
}
- if (flags & WBFLAG_PAM_UNIX_NAME) {
- result = append_unix_username(state->mem_ctx, state, info3,
- name_domain, name_user);
+ if (request_flags & WBFLAG_PAM_UNIX_NAME) {
+ result = append_unix_username(mem_ctx, resp,
+ info3, name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append Unix Username: %s\n",
nt_errstr(result)));
/* currently, anything from here on potentially overwrites extra_data. */
- if (flags & WBFLAG_PAM_INFO3_NDR) {
- result = append_info3_as_ndr(state->mem_ctx, state, info3);
+ if (request_flags & WBFLAG_PAM_INFO3_NDR) {
+ result = append_info3_as_ndr(mem_ctx, resp, info3);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append INFO3 (NDR): %s\n",
nt_errstr(result)));
}
}
- if (flags & WBFLAG_PAM_INFO3_TEXT) {
- result = append_info3_as_txt(state->mem_ctx, state, info3);
+ if (request_flags & WBFLAG_PAM_INFO3_TEXT) {
+ result = append_info3_as_txt(mem_ctx, resp, info3);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append INFO3 (TXT): %s\n",
nt_errstr(result)));
}
}
- if (flags & WBFLAG_PAM_AFS_TOKEN) {
- result = append_afs_token(state->mem_ctx, state, info3,
- name_domain, name_user);
+ if (request_flags & WBFLAG_PAM_AFS_TOKEN) {
+ result = append_afs_token(mem_ctx, resp,
+ info3, name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("Failed to append AFS token: %s\n",
nt_errstr(result)));
parse_domain_user(state->request->data.auth.user, name_domain, name_user);
- if (!lookup_cached_name(state->mem_ctx,
- name_domain,
+ if (!lookup_cached_name(name_domain,
name_user,
&sid,
&type)) {
return NT_STATUS_LOGON_FAILURE;
}
- kickoff_time = nt_time_to_unix(my_info3->base.acct_expiry);
+ kickoff_time = nt_time_to_unix(my_info3->base.kickoff_time);
if (kickoff_time != 0 && time(NULL) > kickoff_time) {
return NT_STATUS_ACCOUNT_EXPIRED;
}
char *realm = NULL;
const char *principal_s = NULL;
const char *service = NULL;
- bool internal_ccache = false;
+ const char *user_ccache_file;
- uid = get_uid_from_state(state);
+ uid = get_uid_from_request(state->request);
if (uid == -1) {
DEBUG(0,("winbindd_dual_pam_auth_cached: invalid uid\n"));
return NT_STATUS_INVALID_PARAMETER;
cc = generate_krb5_ccache(state->mem_ctx,
state->request->data.auth.krb5_cc_type,
state->request->data.auth.uid,
- &internal_ccache);
+ &user_ccache_file);
if (cc == NULL) {
return NT_STATUS_NO_MEMORY;
}
realm = domain->alt_name;
- strupper_m(realm);
+ if (!strupper_m(realm)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
principal_s = talloc_asprintf(state->mem_ctx, "%s@%s", name_user, realm);
if (principal_s == NULL) {
return NT_STATUS_NO_MEMORY;
}
- if (!internal_ccache) {
+ if (user_ccache_file != NULL) {
- setup_return_cc_name(state, cc);
+ fstrcpy(state->response->data.auth.krb5ccname,
+ user_ccache_file);
result = add_ccache_to_list(principal_s,
cc,
service,
state->request->data.auth.user,
+ state->request->data.auth.pass,
domain->alt_name,
uid,
time(NULL),
/* FIXME: we possibly should handle logon hours as well (does xp when
* offline?) see auth/auth_sam.c:sam_account_ok for details */
- unix_to_nt_time(&my_info3->base.last_logon, time(NULL));
+ unix_to_nt_time(&my_info3->base.logon_time, time(NULL));
my_info3->base.bad_password_count = 0;
result = winbindd_update_creds_by_info3(domain,
- state->mem_ctx,
state->request->data.auth.user,
state->request->data.auth.pass,
my_info3);
}
- /* User does *NOT* know the correct password, modify info3 accordingly */
+ /* User does *NOT* know the correct password, modify info3 accordingly, but only if online */
+ if (domain->online == false) {
+ goto failed;
+ }
/* failure of this is not critical */
result = get_max_bad_attempts_from_lockout_policy(domain, state->mem_ctx, &max_allowed_bad_attempts);
failed:
result = winbindd_update_creds_by_info3(domain,
- state->mem_ctx,
state->request->data.auth.user,
NULL,
my_info3);
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));
- contact_domain = find_our_domain();
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
}
}
return NT_STATUS_INVALID_LOGON_TYPE;
}
try_login:
- result = winbindd_raw_kerberos_login(contact_domain, state, info3);
+ result = winbindd_raw_kerberos_login(
+ state->mem_ctx, contact_domain,
+ state->request->data.auth.user,
+ state->request->data.auth.pass,
+ state->request->data.auth.krb5_cc_type,
+ get_uid_from_request(state->request),
+ info3, state->response->data.auth.krb5ccname);
done:
return result;
}
static NTSTATUS winbindd_dual_auth_passdb(TALLOC_CTX *mem_ctx,
+ uint32_t logon_parameters,
const char *domain, const char *user,
const DATA_BLOB *challenge,
const DATA_BLOB *lm_resp,
struct netr_SamInfo3 **pinfo3)
{
struct auth_usersupplied_info *user_info = NULL;
+ struct tsocket_address *local;
NTSTATUS status;
-
+ int rc;
+
+ rc = tsocket_address_inet_from_strings(mem_ctx,
+ "ip",
+ "127.0.0.1",
+ 0,
+ &local);
+ if (rc < 0) {
+ return NT_STATUS_NO_MEMORY;
+ }
status = make_user_info(&user_info, user, user, domain, domain,
- global_myname(), lm_resp, nt_resp, NULL, NULL,
+ lp_netbios_name(), local, 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)));
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);
- DEBUG(10, ("Authenticated user %s\\%s successfully\n", domain, user));
- return NT_STATUS_OK;
+ DEBUG(10, ("Authenticaticating user %s\\%s returned %s\n", domain,
+ user, nt_errstr(status)));
+ return status;
}
-typedef NTSTATUS (*netlogon_fn_t)(struct rpc_pipe_client *cli,
- TALLOC_CTX *mem_ctx,
- uint32 logon_parameters,
- const char *server,
- const char *username,
- const char *domain,
- const char *workstation,
- const uint8 chal[8],
- DATA_BLOB lm_response,
- DATA_BLOB nt_response,
- struct netr_SamInfo3 **info3);
-
-static NTSTATUS winbindd_dual_pam_auth_samlogon(struct winbindd_domain *domain,
- struct winbindd_cli_state *state,
- struct netr_SamInfo3 **info3)
+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 *domainname,
+ const char *workstation,
+ const uint8_t chal[8],
+ DATA_BLOB lm_response,
+ DATA_BLOB nt_response,
+ struct netr_SamInfo3 **info3)
{
-
- struct rpc_pipe_client *netlogon_pipe;
- uchar chal[8];
- DATA_BLOB lm_resp;
- DATA_BLOB nt_resp;
int attempts = 0;
- unsigned char local_lm_response[24];
- unsigned char local_nt_response[24];
- fstring name_domain, name_user;
- bool retry;
+ int netr_attempts = 0;
+ bool retry = false;
NTSTATUS result;
- struct netr_SamInfo3 *my_info3 = NULL;
-
- *info3 = NULL;
-
- DEBUG(10,("winbindd_dual_pam_auth_samlogon\n"));
-
- /* Parse domain and username */
-
- parse_domain_user(state->request->data.auth.user, name_domain, name_user);
-
- /* do password magic */
-
- generate_random_buffer(chal, sizeof(chal));
-
- if (lp_client_ntlmv2_auth()) {
- DATA_BLOB server_chal;
- DATA_BLOB names_blob;
- DATA_BLOB nt_response;
- DATA_BLOB lm_response;
- server_chal = data_blob_talloc(state->mem_ctx, chal, 8);
-
- /* note that the 'workgroup' here is a best guess - we don't know
- the server's domain at this point. The 'server name' is also
- dodgy...
- */
- names_blob = NTLMv2_generate_names_blob(state->mem_ctx, global_myname(), lp_workgroup());
-
- if (!SMBNTLMv2encrypt(NULL, name_user, name_domain,
- state->request->data.auth.pass,
- &server_chal,
- &names_blob,
- &lm_response, &nt_response, NULL, NULL)) {
- data_blob_free(&names_blob);
- data_blob_free(&server_chal);
- DEBUG(0, ("winbindd_pam_auth: SMBNTLMv2encrypt() failed!\n"));
- result = NT_STATUS_NO_MEMORY;
- goto done;
- }
- data_blob_free(&names_blob);
- data_blob_free(&server_chal);
- lm_resp = data_blob_talloc(state->mem_ctx, lm_response.data,
- lm_response.length);
- nt_resp = data_blob_talloc(state->mem_ctx, nt_response.data,
- nt_response.length);
- data_blob_free(&lm_response);
- data_blob_free(&nt_response);
-
- } else {
- if (lp_client_lanman_auth()
- && SMBencrypt(state->request->data.auth.pass,
- chal,
- local_lm_response)) {
- lm_resp = data_blob_talloc(state->mem_ctx,
- local_lm_response,
- sizeof(local_lm_response));
- } else {
- lm_resp = data_blob_null;
- }
- SMBNTencrypt(state->request->data.auth.pass,
- chal,
- local_nt_response);
-
- nt_resp = data_blob_talloc(state->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(
- state->mem_ctx, name_domain, name_user,
- &chal_blob, &lm_resp, &nt_resp, info3);
- goto done;
- }
-
- /* check authentication loop */
do {
- netlogon_fn_t logon_fn;
+ struct rpc_pipe_client *netlogon_pipe;
+ const struct pipe_auth_data *auth;
+ uint32_t neg_flags = 0;
- ZERO_STRUCTP(my_info3);
+ ZERO_STRUCTP(info3);
retry = false;
result = cm_connect_netlogon(domain, &netlogon_pipe);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
- goto done;
+ DEBUG(3,("Could not open handle to NETLOGON pipe "
+ "(error: %s, attempts: %d)\n",
+ nt_errstr(result), netr_attempts));
+
+ /* After the first retry always close the connection */
+ if (netr_attempts > 0) {
+ DEBUG(3, ("This is again a problem for this "
+ "particular call, forcing the close "
+ "of this connection\n"));
+ invalidate_cm_connection(&domain->conn);
+ }
+
+ /* After the second retry failover to the next DC */
+ if (netr_attempts > 1) {
+ /*
+ * If the netlogon server is not reachable then
+ * it is possible that the DC is rebuilding
+ * sysvol and shutdown netlogon for that time.
+ * We should failover to the next dc.
+ */
+ DEBUG(3, ("This is the third problem for this "
+ "particular call, adding DC to the "
+ "negative cache list\n"));
+ add_failed_connection_entry(domain->name,
+ domain->dcname,
+ result);
+ saf_delete(domain->name);
+ }
+
+ /* Only allow 3 retries */
+ if (netr_attempts < 3) {
+ DEBUG(3, ("The connection to netlogon "
+ "failed, retrying\n"));
+ netr_attempts++;
+ retry = true;
+ continue;
+ }
+ 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,
* 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
*/
- logon_fn = domain->can_do_samlogon_ex
- ? rpccli_netlogon_sam_network_logon_ex
- : rpccli_netlogon_sam_network_logon;
-
- result = logon_fn(netlogon_pipe,
- state->mem_ctx,
- 0,
- domain->dcname, /* server name */
- name_user, /* user name */
- name_domain, /* target domain */
- global_myname(), /* workstation */
- chal,
- lm_resp,
- nt_resp,
- &my_info3);
- attempts += 1;
+ 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);
+ }
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
- if ((NT_STATUS_V(result) == DCERPC_FAULT_OP_RNG_ERROR)
- && 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;
+ /*
+ * 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;
+ }
+
+
+ /* 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->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;
}
+ /*
+ * we increment this after the "feature negotiation"
+ * for can_do_samlogon_ex and can_do_validation6
+ */
+ attempts += 1;
+
/* We have to try a second time as cm_connect_netlogon
might not yet have noticed that the DC has killed
our connection. */
rpc changetrustpw' */
if ( NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) ) {
- DEBUG(3,("winbindd_pam_auth: sam_logon returned "
+ DEBUG(3,("winbind_samlogon_retry_loop: sam_logon returned "
"ACCESS_DENIED. Maybe the trust account "
"password was changed and we didn't know it. "
"Killing connections to domain %s\n",
- name_domain));
+ domainname));
invalidate_cm_connection(&domain->conn);
retry = true;
}
} 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."
+ "Killing connections to domain %s\n",
+ domainname));
+ invalidate_cm_connection(&domain->conn);
+ }
+ return result;
+}
+
+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)
+{
+
+ uchar chal[8];
+ DATA_BLOB lm_resp;
+ DATA_BLOB nt_resp;
+ unsigned char local_nt_response[24];
+ fstring name_domain, name_user;
+ NTSTATUS result;
+ struct netr_SamInfo3 *my_info3 = NULL;
+
+ *info3 = NULL;
+
+ DEBUG(10,("winbindd_dual_pam_auth_samlogon\n"));
+
+ /* Parse domain and username */
+
+ parse_domain_user(user, name_domain, name_user);
+
+ /* 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);
+
+ 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,
+ name_domain,
+ lp_netbios_name(),
+ chal,
+ lm_resp,
+ nt_resp,
+ &my_info3);
+ 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 */
- if ((state->request->flags & WBFLAG_PAM_INFO3_TEXT) &&
+ if ((request_flags & WBFLAG_PAM_INFO3_TEXT) &&
NT_STATUS_IS_OK(result) && (my_info3->base.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;
+ NTSTATUS status_tmp, result_tmp;
uint32 acct_flags;
+ struct dcerpc_binding_handle *b;
- status_tmp = cm_connect_sam(domain, state->mem_ctx,
+ status_tmp = cm_connect_sam(domain, mem_ctx,
&samr_pipe, &samr_domain_handle);
if (!NT_STATUS_IS_OK(status_tmp)) {
goto done;
}
- status_tmp = rpccli_samr_OpenUser(samr_pipe, state->mem_ctx,
+ b = samr_pipe->binding_handle;
+
+ status_tmp = dcerpc_samr_OpenUser(b, mem_ctx,
&samr_domain_handle,
MAXIMUM_ALLOWED_ACCESS,
my_info3->base.rid,
- &user_pol);
+ &user_pol,
+ &result_tmp);
if (!NT_STATUS_IS_OK(status_tmp)) {
DEBUG(3, ("could not open user handle on SAMR pipe: %s\n",
nt_errstr(status_tmp)));
goto done;
}
+ if (!NT_STATUS_IS_OK(result_tmp)) {
+ DEBUG(3, ("could not open user handle on SAMR pipe: %s\n",
+ nt_errstr(result_tmp)));
+ goto done;
+ }
- status_tmp = rpccli_samr_QueryUserInfo(samr_pipe, state->mem_ctx,
+ status_tmp = dcerpc_samr_QueryUserInfo(b, mem_ctx,
&user_pol,
16,
- &info);
+ &info,
+ &result_tmp);
if (!NT_STATUS_IS_OK(status_tmp)) {
DEBUG(3, ("could not query user info on SAMR pipe: %s\n",
nt_errstr(status_tmp)));
- rpccli_samr_Close(samr_pipe, state->mem_ctx, &user_pol);
+ 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;
if (acct_flags == 0) {
- rpccli_samr_Close(samr_pipe, state->mem_ctx, &user_pol);
+ dcerpc_samr_Close(b, mem_ctx, &user_pol, &result_tmp);
goto done;
}
DEBUG(10,("successfully retrieved acct_flags 0x%x\n", acct_flags));
- rpccli_samr_Close(samr_pipe, state->mem_ctx, &user_pol);
+ dcerpc_samr_Close(b, mem_ctx, &user_pol, &result_tmp);
}
*info3 = my_info3;
fstr_sprintf( domain_user, "%s%c%s", name_domain,
*lp_winbind_separator(),
name_user );
- safe_strcpy( state->request->data.auth.user, domain_user,
- sizeof(state->request->data.auth.user)-1 );
+ strlcpy( state->request->data.auth.user, domain_user,
+ sizeof(state->request->data.auth.user));
}
if (!domain->online) {
sam_logon:
/* Check for Samlogon authentication */
if (domain->online) {
- result = winbindd_dual_pam_auth_samlogon(domain, state, &info3);
+ result = winbindd_dual_pam_auth_samlogon(
+ state->mem_ctx, domain,
+ state->request->data.auth.user,
+ state->request->data.auth.pass,
+ state->request->flags,
+ &info3);
if (NT_STATUS_IS_OK(result)) {
DEBUG(10,("winbindd_dual_pam_auth_samlogon succeeded\n"));
goto done;
}
- wcache_invalidate_samlogon(find_domain_from_name(name_domain), info3);
+ 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);
/* save name_to_sid info as early as possible (only if
the cache entry by storing the seq_num for the wrong
domain). */
if ( domain->primary ) {
- sid_compose(&user_sid, info3->base.domain_sid,
- info3->base.rid);
cache_name2sid(domain, name_domain, name_user,
SID_NAME_USER, &user_sid);
}
goto done;
}
- result = append_auth_data(state, info3, name_domain,
- name_user);
+ result = append_auth_data(state->mem_ctx, state->response,
+ state->request->flags, info3,
+ name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
goto done;
}
&& lp_winbind_offline_logon()) {
result = winbindd_store_creds(domain,
- state->mem_ctx,
state->request->data.auth.user,
state->request->data.auth.pass,
info3);
result = NT_STATUS_NOT_SUPPORTED;
if (our_domain == domain ) {
- result = fillup_password_policy(our_domain, state);
+ result = fillup_password_policy(
+ our_domain, state->response);
}
if (!NT_STATUS_IS_OK(result)
{
NTSTATUS result;
struct netr_SamInfo3 *info3 = NULL;
- struct rpc_pipe_client *netlogon_pipe;
const char *name_user = NULL;
const char *name_domain = NULL;
const char *workstation;
- int attempts = 0;
- bool retry;
DATA_BLOB lm_resp, nt_resp;
sizeof(state->request->data.auth_crap.chal));
result = winbindd_dual_auth_passdb(
- state->mem_ctx, name_domain, name_user,
+ state->mem_ctx,
+ state->request->data.auth_crap.logon_parameters,
+ name_domain, name_user,
&chal_blob, &lm_resp, &nt_resp, &info3);
goto process_result;
}
- do {
- netlogon_fn_t logon_fn;
-
- retry = false;
-
- netlogon_pipe = NULL;
- result = cm_connect_netlogon(domain, &netlogon_pipe);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(3, ("could not open handle to NETLOGON pipe (error: %s)\n",
- nt_errstr(result)));
- goto done;
- }
-
- logon_fn = domain->can_do_samlogon_ex
- ? rpccli_netlogon_sam_network_logon_ex
- : rpccli_netlogon_sam_network_logon;
-
- result = logon_fn(netlogon_pipe,
- 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);
-
- if ((NT_STATUS_V(result) == DCERPC_FAULT_OP_RNG_ERROR)
- && 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;
- }
-
- attempts += 1;
-
- /* We have to try a second time as cm_connect_netlogon
- might not yet have noticed that the DC has killed
- our connection. */
-
- if (!rpccli_is_connected(netlogon_pipe)) {
- retry = true;
- continue;
- }
-
- /* if we get access denied, a possible cause was that we had and open
- connection to the DC, but someone changed our machine account password
- out from underneath us using 'net rpc changetrustpw' */
-
- if ( NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) ) {
- DEBUG(3,("winbindd_pam_auth: sam_logon returned "
- "ACCESS_DENIED. Maybe the trust account "
- "password was changed and we didn't know it. "
- "Killing connections to domain %s\n",
- name_domain));
- invalidate_cm_connection(&domain->conn);
- retry = true;
- }
-
- } while ( (attempts < 2) && retry );
+ 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);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto done;
+ }
process_result:
if (NT_STATUS_IS_OK(result)) {
+ struct dom_sid user_sid;
- wcache_invalidate_samlogon(find_domain_from_name(name_domain), info3);
+ 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);
/* Check if the user is in the right group */
goto done;
}
- result = append_auth_data(state, info3, name_domain,
- name_user);
+ result = append_auth_data(state->mem_ctx, state->response,
+ state->request->flags, info3,
+ name_domain, name_user);
if (!NT_STATUS_IS_OK(result)) {
goto done;
}
struct userPwdChangeFailureInformation *reject = NULL;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
fstring domain, user;
+ struct dcerpc_binding_handle *b = NULL;
ZERO_STRUCT(dom_pol);
goto done;
}
+ b = cli->binding_handle;
+
result = rpccli_samr_chgpasswd_user3(cli, state->mem_ctx,
user,
newpass,
* short to comply with the samr_ChangePasswordUser3 idl - gd */
/* only fallback when the chgpasswd_user3 call is not supported */
- if ((NT_STATUS_EQUAL(result, NT_STATUS(DCERPC_FAULT_OP_RNG_ERROR))) ||
- (NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED)) ||
- (NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL)) ||
- (NT_STATUS_EQUAL(result, NT_STATUS_NOT_IMPLEMENTED))) {
+ if (NT_STATUS_EQUAL(result, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE) ||
+ NT_STATUS_EQUAL(result, NT_STATUS_NOT_SUPPORTED) ||
+ NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL) ||
+ NT_STATUS_EQUAL(result, NT_STATUS_NOT_IMPLEMENTED)) {
DEBUG(10,("Password change with chgpasswd_user3 failed with: %s, retrying chgpasswd_user2\n",
nt_errstr(result)));
done:
- if (NT_STATUS_IS_OK(result) && (state->request->flags & WBFLAG_PAM_CACHED_LOGIN)) {
- if (lp_winbind_offline_logon()) {
- result = winbindd_update_creds_by_name(contact_domain,
- state->mem_ctx, user,
- newpass);
- /* Again, this happens when we login from gdm or xdm
- * and the password expires, *BUT* cached crendentials
- * doesn't exist. winbindd_update_creds_by_name()
- * returns NT_STATUS_NO_SUCH_USER.
- * This is not a failure.
- * --- BoYang
- * */
- if (NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_USER)) {
- result = NT_STATUS_OK;
- }
+ if (NT_STATUS_IS_OK(result)
+ && (state->request->flags & WBFLAG_PAM_CACHED_LOGIN)
+ && lp_winbind_offline_logon()) {
+ result = winbindd_update_creds_by_name(contact_domain, user,
+ newpass);
+ /* Again, this happens when we login from gdm or xdm
+ * and the password expires, *BUT* cached crendentials
+ * doesn't exist. winbindd_update_creds_by_name()
+ * returns NT_STATUS_NO_SUCH_USER.
+ * This is not a failure.
+ * --- BoYang
+ * */
+ if (NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_USER)) {
+ result = NT_STATUS_OK;
+ }
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10,("Failed to store creds: %s\n", nt_errstr(result)));
- goto process_result;
- }
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10, ("Failed to store creds: %s\n",
+ nt_errstr(result)));
+ goto process_result;
}
}
NTSTATUS policy_ret;
- policy_ret = fillup_password_policy(contact_domain, state);
+ policy_ret = fillup_password_policy(
+ contact_domain, state->response);
/* failure of this is non critical, it will just provide no
* additional information to the client why the change has
if (strequal(contact_domain->name, get_global_sam_name())) {
/* FIXME: internal rpc pipe does not cache handles yet */
- if (cli) {
+ if (b) {
if (is_valid_policy_hnd(&dom_pol)) {
- rpccli_samr_Close(cli, state->mem_ctx, &dom_pol);
+ NTSTATUS _result;
+ dcerpc_samr_Close(b, state->mem_ctx, &dom_pol, &_result);
}
TALLOC_FREE(cli);
}
goto process_result;
}
+ /*
+ * Remove any mlock'ed memory creds in the child
+ * we might be using for krb5 ticket renewal.
+ */
+
+ winbindd_delete_memory_creds(state->request->data.logoff.user);
+
#else
result = NT_STATUS_NOT_SUPPORTED;
#endif
struct policy_handle dom_pol;
struct winbindd_domain *contact_domain = domainSt;
struct rpc_pipe_client *cli = NULL;
+ struct dcerpc_binding_handle *b = NULL;
ZERO_STRUCT(dom_pol);
}
if (!*domain && lp_winbind_use_default_domain()) {
- fstrcpy(domain,(char *)lp_workgroup());
+ fstrcpy(domain,lp_workgroup());
}
if(!*user) {
state->request->data.chng_pswd_auth_crap.old_lm_hash_enc,
state->request->data.chng_pswd_auth_crap.old_lm_hash_enc_len);
} else {
- new_lm_password.length = 0;
- old_lm_hash_enc.length = 0;
+ new_lm_password = data_blob_null;
+ old_lm_hash_enc = data_blob_null;
}
/* Get sam handle */
goto done;
}
+ b = cli->binding_handle;
+
result = rpccli_samr_chng_pswd_auth_crap(
cli, state->mem_ctx, user, new_nt_password, old_nt_hash_enc,
new_lm_password, old_lm_hash_enc);
if (strequal(contact_domain->name, get_global_sam_name())) {
/* FIXME: internal rpc pipe does not cache handles yet */
- if (cli) {
+ if (b) {
if (is_valid_policy_hnd(&dom_pol)) {
- rpccli_samr_Close(cli, state->mem_ctx, &dom_pol);
+ NTSTATUS _result;
+ dcerpc_samr_Close(b, state->mem_ctx, &dom_pol, &_result);
}
TALLOC_FREE(cli);
}
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
+
+#ifdef HAVE_KRB5
+static NTSTATUS extract_pac_vrfy_sigs(TALLOC_CTX *mem_ctx, DATA_BLOB pac_blob,
+ struct PAC_LOGON_INFO **logon_info)
+{
+ krb5_context krbctx = NULL;
+ krb5_error_code k5ret;
+ krb5_keytab keytab;
+ krb5_kt_cursor cursor;
+ krb5_keytab_entry entry;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+
+ ZERO_STRUCT(entry);
+ ZERO_STRUCT(cursor);
+
+ k5ret = krb5_init_context(&krbctx);
+ if (k5ret) {
+ DEBUG(1, ("Failed to initialize kerberos context: %s\n",
+ error_message(k5ret)));
+ status = krb5_to_nt_status(k5ret);
+ goto out;
+ }
+
+ k5ret = gse_krb5_get_server_keytab(krbctx, &keytab);
+ if (k5ret) {
+ DEBUG(1, ("Failed to get keytab: %s\n",
+ error_message(k5ret)));
+ status = krb5_to_nt_status(k5ret);
+ goto out_free;
+ }
+
+ k5ret = krb5_kt_start_seq_get(krbctx, keytab, &cursor);
+ if (k5ret) {
+ DEBUG(1, ("Failed to start seq: %s\n",
+ error_message(k5ret)));
+ status = krb5_to_nt_status(k5ret);
+ goto out_keytab;
+ }
+
+ 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);
+ if (NT_STATUS_IS_OK(status)) {
+ break;
+ }
+ k5ret = smb_krb5_kt_free_entry(krbctx, &entry);
+ k5ret = krb5_kt_next_entry(krbctx, keytab, &entry, &cursor);
+ }
+
+ k5ret = krb5_kt_end_seq_get(krbctx, keytab, &cursor);
+ if (k5ret) {
+ DEBUG(1, ("Failed to end seq: %s\n",
+ error_message(k5ret)));
+ }
+out_keytab:
+ k5ret = krb5_kt_close(krbctx, keytab);
+ if (k5ret) {
+ DEBUG(1, ("Failed to close keytab: %s\n",
+ error_message(k5ret)));
+ }
+out_free:
+ krb5_free_context(krbctx);
+out:
+ return status;
+}
+
+NTSTATUS winbindd_pam_auth_pac_send(struct winbindd_cli_state *state,
+ struct netr_SamInfo3 **info3)
+{
+ struct winbindd_request *req = state->request;
+ DATA_BLOB pac_blob;
+ struct PAC_LOGON_INFO *logon_info = NULL;
+ NTSTATUS result;
+
+ 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)) {
+ 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;
+ }
+ }
+
+ *info3 = &logon_info->info3;
+
+ return NT_STATUS_OK;
+}
+#else /* HAVE_KRB5 */
+NTSTATUS winbindd_pam_auth_pac_send(struct winbindd_cli_state *state,
+ struct netr_SamInfo3 **info3)
+{
+ return NT_STATUS_NO_SUCH_USER;
+}
+#endif /* HAVE_KRB5 */
git.samba.org / kai / samba.git / blobdiff