mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
61578c2308
are set in a winbindd request it might overwrite existing
state->response.extra_data.data values without freeing.
Jeremy.
(This used to be commit 4e7262c81a
)
1904 lines
54 KiB
C
1904 lines
54 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
|
|
Winbind daemon - pam auth funcions
|
|
|
|
Copyright (C) Andrew Tridgell 2000
|
|
Copyright (C) Tim Potter 2001
|
|
Copyright (C) Andrew Bartlett 2001-2002
|
|
Copyright (C) Guenther Deschner 2005-2006
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "winbindd.h"
|
|
#undef DBGC_CLASS
|
|
#define DBGC_CLASS DBGC_WINBIND
|
|
|
|
static NTSTATUS append_info3_as_txt(TALLOC_CTX *mem_ctx,
|
|
struct winbindd_cli_state *state,
|
|
NET_USER_INFO_3 *info3)
|
|
{
|
|
fstring str_sid;
|
|
|
|
state->response.data.auth.info3.logon_time =
|
|
nt_time_to_unix(&(info3->logon_time));
|
|
state->response.data.auth.info3.logoff_time =
|
|
nt_time_to_unix(&(info3->logoff_time));
|
|
state->response.data.auth.info3.kickoff_time =
|
|
nt_time_to_unix(&(info3->kickoff_time));
|
|
state->response.data.auth.info3.pass_last_set_time =
|
|
nt_time_to_unix(&(info3->pass_last_set_time));
|
|
state->response.data.auth.info3.pass_can_change_time =
|
|
nt_time_to_unix(&(info3->pass_can_change_time));
|
|
state->response.data.auth.info3.pass_must_change_time =
|
|
nt_time_to_unix(&(info3->pass_must_change_time));
|
|
|
|
state->response.data.auth.info3.logon_count = info3->logon_count;
|
|
state->response.data.auth.info3.bad_pw_count = info3->bad_pw_count;
|
|
|
|
state->response.data.auth.info3.user_rid = info3->user_rid;
|
|
state->response.data.auth.info3.group_rid = info3->group_rid;
|
|
sid_to_string(str_sid, &(info3->dom_sid.sid));
|
|
fstrcpy(state->response.data.auth.info3.dom_sid, str_sid);
|
|
|
|
state->response.data.auth.info3.num_groups = info3->num_groups;
|
|
state->response.data.auth.info3.user_flgs = info3->user_flgs;
|
|
|
|
state->response.data.auth.info3.acct_flags = info3->acct_flags;
|
|
state->response.data.auth.info3.num_other_sids = info3->num_other_sids;
|
|
|
|
unistr2_to_ascii(state->response.data.auth.info3.user_name,
|
|
&info3->uni_user_name, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.full_name,
|
|
&info3->uni_full_name, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.logon_script,
|
|
&info3->uni_logon_script, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.profile_path,
|
|
&info3->uni_profile_path, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.home_dir,
|
|
&info3->uni_home_dir, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.dir_drive,
|
|
&info3->uni_dir_drive, -1);
|
|
|
|
unistr2_to_ascii(state->response.data.auth.info3.logon_srv,
|
|
&info3->uni_logon_srv, -1);
|
|
unistr2_to_ascii(state->response.data.auth.info3.logon_dom,
|
|
&info3->uni_logon_dom, -1);
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS append_info3_as_ndr(TALLOC_CTX *mem_ctx,
|
|
struct winbindd_cli_state *state,
|
|
NET_USER_INFO_3 *info3)
|
|
{
|
|
prs_struct ps;
|
|
uint32 size;
|
|
if (!prs_init(&ps, 256 /* Random, non-zero number */, mem_ctx, MARSHALL)) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
if (!net_io_user_info3("", info3, &ps, 1, 3, False)) {
|
|
prs_mem_free(&ps);
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
size = prs_data_size(&ps);
|
|
SAFE_FREE(state->response.extra_data.data);
|
|
state->response.extra_data.data = SMB_MALLOC(size);
|
|
if (!state->response.extra_data.data) {
|
|
prs_mem_free(&ps);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
memset( state->response.extra_data.data, '\0', size );
|
|
prs_copy_all_data_out(state->response.extra_data.data, &ps);
|
|
state->response.length += size;
|
|
prs_mem_free(&ps);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS check_info3_in_group(TALLOC_CTX *mem_ctx,
|
|
NET_USER_INFO_3 *info3,
|
|
const char *group_sid)
|
|
{
|
|
DOM_SID require_membership_of_sid;
|
|
DOM_SID *all_sids;
|
|
size_t num_all_sids = (2 + info3->num_groups2 + info3->num_other_sids);
|
|
size_t i, j = 0;
|
|
|
|
/* Parse the 'required group' SID */
|
|
|
|
if (!group_sid || !group_sid[0]) {
|
|
/* NO sid supplied, all users may access */
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
if (!string_to_sid(&require_membership_of_sid, group_sid)) {
|
|
DEBUG(0, ("check_info3_in_group: could not parse %s as a SID!",
|
|
group_sid));
|
|
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
all_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, num_all_sids);
|
|
if (!all_sids)
|
|
return NT_STATUS_NO_MEMORY;
|
|
|
|
/* and create (by appending rids) the 'domain' sids */
|
|
|
|
sid_copy(&all_sids[0], &(info3->dom_sid.sid));
|
|
|
|
if (!sid_append_rid(&all_sids[0], info3->user_rid)) {
|
|
DEBUG(3,("could not append user's primary RID 0x%x\n",
|
|
info3->user_rid));
|
|
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
j++;
|
|
|
|
sid_copy(&all_sids[1], &(info3->dom_sid.sid));
|
|
|
|
if (!sid_append_rid(&all_sids[1], info3->group_rid)) {
|
|
DEBUG(3,("could not append additional group rid 0x%x\n",
|
|
info3->group_rid));
|
|
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
j++;
|
|
|
|
for (i = 0; i < info3->num_groups2; i++) {
|
|
|
|
sid_copy(&all_sids[j], &(info3->dom_sid.sid));
|
|
|
|
if (!sid_append_rid(&all_sids[j], info3->gids[i].g_rid)) {
|
|
DEBUG(3,("could not append additional group rid 0x%x\n",
|
|
info3->gids[i].g_rid));
|
|
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
j++;
|
|
}
|
|
|
|
/* Copy 'other' sids. We need to do sid filtering here to
|
|
prevent possible elevation of privileges. See:
|
|
|
|
http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
|
|
*/
|
|
|
|
for (i = 0; i < info3->num_other_sids; i++) {
|
|
sid_copy(&all_sids[info3->num_groups2 + i + 2],
|
|
&info3->other_sids[i].sid);
|
|
j++;
|
|
}
|
|
|
|
for (i = 0; i < j; i++) {
|
|
fstring sid1, sid2;
|
|
DEBUG(10, ("User has SID: %s\n",
|
|
sid_to_string(sid1, &all_sids[i])));
|
|
if (sid_equal(&require_membership_of_sid, &all_sids[i])) {
|
|
DEBUG(10, ("SID %s matches %s - user permitted to authenticate!\n",
|
|
sid_to_string(sid1, &require_membership_of_sid), sid_to_string(sid2, &all_sids[i])));
|
|
return NT_STATUS_OK;
|
|
}
|
|
}
|
|
|
|
/* Do not distinguish this error from a wrong username/pw */
|
|
|
|
return NT_STATUS_LOGON_FAILURE;
|
|
}
|
|
|
|
static struct winbindd_domain *find_auth_domain(struct winbindd_cli_state *state,
|
|
const char *domain_name)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
if (IS_DC) {
|
|
domain = find_domain_from_name_noinit(domain_name);
|
|
if (domain == NULL) {
|
|
DEBUG(3, ("Authentication for domain [%s] refused"
|
|
"as it is not a trusted domain\n",
|
|
domain_name));
|
|
}
|
|
return domain;
|
|
}
|
|
|
|
if (is_myname(domain_name)) {
|
|
DEBUG(3, ("Authentication for domain %s (local domain "
|
|
"to this server) not supported at this "
|
|
"stage\n", domain_name));
|
|
return NULL;
|
|
}
|
|
|
|
if (strequal(domain_name, lp_workgroup())) {
|
|
return find_our_domain();
|
|
}
|
|
|
|
#ifdef HAVE_ADS
|
|
|
|
/* when trying to login using krb5 with a trusted domain account, we
|
|
* need to make sure that our and the remote domain are AD */
|
|
|
|
if ((state->request.flags & WBFLAG_PAM_KRB5) &&
|
|
(lp_security() == SEC_ADS)) {
|
|
|
|
struct winbindd_domain *our_domain = find_our_domain();
|
|
|
|
if (!our_domain->active_directory) {
|
|
DEBUG(3,("find_auth_domain: out domain is not AD\n"));
|
|
return NULL;
|
|
}
|
|
|
|
if ((domain = find_domain_from_name_noinit(domain_name)) == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
/* do we already know it's AD ? */
|
|
if (domain->active_directory) {
|
|
return domain;
|
|
}
|
|
|
|
set_dc_type_and_flags(domain);
|
|
|
|
if (!domain->active_directory) {
|
|
DEBUG(3,("find_auth_domain: remote domain is not AD\n"));
|
|
return NULL;
|
|
}
|
|
|
|
return domain;
|
|
}
|
|
#endif
|
|
return find_our_domain();
|
|
}
|
|
|
|
static void set_auth_errors(struct winbindd_response *resp, NTSTATUS result)
|
|
{
|
|
resp->data.auth.nt_status = NT_STATUS_V(result);
|
|
fstrcpy(resp->data.auth.nt_status_string, nt_errstr(result));
|
|
|
|
/* we might have given a more useful error above */
|
|
if (*resp->data.auth.error_string == '\0')
|
|
fstrcpy(resp->data.auth.error_string,
|
|
get_friendly_nt_error_msg(result));
|
|
resp->data.auth.pam_error = nt_status_to_pam(result);
|
|
}
|
|
|
|
static NTSTATUS fillup_password_policy(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state)
|
|
{
|
|
struct winbindd_methods *methods;
|
|
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
|
SAM_UNK_INFO_1 password_policy;
|
|
|
|
methods = domain->methods;
|
|
|
|
status = methods->password_policy(domain, state->mem_ctx, &password_policy);
|
|
if (NT_STATUS_IS_ERR(status)) {
|
|
return status;
|
|
}
|
|
|
|
state->response.data.auth.policy.min_length_password =
|
|
password_policy.min_length_password;
|
|
state->response.data.auth.policy.password_history =
|
|
password_policy.password_history;
|
|
state->response.data.auth.policy.password_properties =
|
|
password_policy.password_properties;
|
|
state->response.data.auth.policy.expire =
|
|
nt_time_to_unix_abs(&(password_policy.expire));
|
|
state->response.data.auth.policy.min_passwordage =
|
|
nt_time_to_unix_abs(&(password_policy.min_passwordage));
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS get_max_bad_attempts_from_lockout_policy(struct winbindd_domain *domain,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint16 *max_allowed_bad_attempts)
|
|
{
|
|
struct winbindd_methods *methods;
|
|
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
|
SAM_UNK_INFO_12 lockout_policy;
|
|
|
|
*max_allowed_bad_attempts = 0;
|
|
|
|
methods = domain->methods;
|
|
|
|
status = methods->lockout_policy(domain, mem_ctx, &lockout_policy);
|
|
if (NT_STATUS_IS_ERR(status)) {
|
|
return status;
|
|
}
|
|
|
|
*max_allowed_bad_attempts = lockout_policy.bad_attempt_lockout;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS get_pwd_properties(struct winbindd_domain *domain,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint32 *password_properties)
|
|
{
|
|
struct winbindd_methods *methods;
|
|
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
|
SAM_UNK_INFO_1 password_policy;
|
|
|
|
*password_properties = 0;
|
|
|
|
methods = domain->methods;
|
|
|
|
status = methods->password_policy(domain, mem_ctx, &password_policy);
|
|
if (NT_STATUS_IS_ERR(status)) {
|
|
return status;
|
|
}
|
|
|
|
*password_properties = password_policy.password_properties;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static const char *generate_krb5_ccache(TALLOC_CTX *mem_ctx,
|
|
const char *type,
|
|
uid_t uid,
|
|
BOOL *internal_ccache)
|
|
{
|
|
/* 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 -
|
|
* Guenther*/
|
|
|
|
const char *gen_cc = NULL;
|
|
|
|
*internal_ccache = True;
|
|
|
|
if (uid == -1) {
|
|
goto memory_ccache;
|
|
}
|
|
|
|
if (!type || type[0] == '\0') {
|
|
goto memory_ccache;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
*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)":""));
|
|
|
|
return gen_cc;
|
|
}
|
|
|
|
static uid_t get_uid_from_state(struct winbindd_cli_state *state)
|
|
{
|
|
uid_t uid = -1;
|
|
|
|
uid = state->request.data.auth.uid;
|
|
|
|
if (uid < 0) {
|
|
DEBUG(1,("invalid uid: '%d'\n", uid));
|
|
return -1;
|
|
}
|
|
return uid;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
/**********************************************************************
|
|
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,
|
|
NET_USER_INFO_3 **info3)
|
|
{
|
|
#ifdef HAVE_KRB5
|
|
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
|
|
krb5_error_code krb5_ret;
|
|
DATA_BLOB tkt, session_key_krb5;
|
|
DATA_BLOB ap_rep, session_key;
|
|
PAC_DATA *pac_data = NULL;
|
|
PAC_LOGON_INFO *logon_info = NULL;
|
|
char *client_princ = NULL;
|
|
char *client_princ_out = NULL;
|
|
char *local_service = NULL;
|
|
const char *cc = NULL;
|
|
const char *principal_s = NULL;
|
|
const char *service = NULL;
|
|
char *realm = NULL;
|
|
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;
|
|
|
|
ZERO_STRUCT(session_key);
|
|
ZERO_STRUCT(session_key_krb5);
|
|
ZERO_STRUCT(tkt);
|
|
ZERO_STRUCT(ap_rep);
|
|
|
|
ZERO_STRUCTP(info3);
|
|
|
|
*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);
|
|
if (cc == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
|
|
/* 2nd step:
|
|
* get kerberos properties */
|
|
|
|
if (domain->private_data) {
|
|
ads = (ADS_STRUCT *)domain->private_data;
|
|
time_offset = ads->auth.time_offset;
|
|
}
|
|
|
|
|
|
/* 3rd step:
|
|
* do kerberos auth and setup ccache as the user */
|
|
|
|
parse_domain_user(state->request.data.auth.user, name_domain, name_user);
|
|
|
|
realm = domain->alt_name;
|
|
strupper_m(realm);
|
|
|
|
principal_s = talloc_asprintf(state->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);
|
|
if (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. */
|
|
|
|
/************************ NON-ROOT **********************/
|
|
|
|
if (!internal_ccache) {
|
|
|
|
set_effective_uid(uid);
|
|
DEBUG(10,("winbindd_raw_kerberos_login: uid is %d\n", uid));
|
|
}
|
|
|
|
krb5_ret = kerberos_kinit_password_ext(principal_s,
|
|
state->request.data.auth.pass,
|
|
time_offset,
|
|
&ticket_lifetime,
|
|
&renewal_until,
|
|
cc,
|
|
True,
|
|
True,
|
|
WINBINDD_PAM_AUTH_KRB5_RENEW_TIME);
|
|
|
|
if (krb5_ret) {
|
|
DEBUG(1,("winbindd_raw_kerberos_login: kinit failed for '%s' with: %s (%d)\n",
|
|
principal_s, error_message(krb5_ret), krb5_ret));
|
|
result = krb5_to_nt_status(krb5_ret);
|
|
goto failed;
|
|
}
|
|
|
|
/* does http_timestring use heimdals libroken strftime?? - Guenther */
|
|
DEBUG(10,("got TGT for %s in %s (valid until: %s (%d), renewable till: %s (%d))\n",
|
|
principal_s, cc,
|
|
http_timestring(ticket_lifetime), (int)ticket_lifetime,
|
|
http_timestring(renewal_until), (int)renewal_until));
|
|
|
|
client_princ = talloc_strdup(state->mem_ctx, global_myname());
|
|
if (client_princ == NULL) {
|
|
result = NT_STATUS_NO_MEMORY;
|
|
goto failed;
|
|
}
|
|
strlower_m(client_princ);
|
|
|
|
local_service = talloc_asprintf(state->mem_ctx, "%s$@%s", client_princ, lp_realm());
|
|
if (local_service == NULL) {
|
|
DEBUG(0,("winbindd_raw_kerberos_login: out of memory\n"));
|
|
result = NT_STATUS_NO_MEMORY;
|
|
goto failed;
|
|
}
|
|
|
|
krb5_ret = cli_krb5_get_ticket(local_service,
|
|
time_offset,
|
|
&tkt,
|
|
&session_key_krb5,
|
|
0,
|
|
cc);
|
|
if (krb5_ret) {
|
|
DEBUG(1,("winbindd_raw_kerberos_login: failed to get ticket for %s: %s\n",
|
|
local_service, error_message(krb5_ret)));
|
|
result = krb5_to_nt_status(krb5_ret);
|
|
goto failed;
|
|
}
|
|
|
|
if (!internal_ccache) {
|
|
gain_root_privilege();
|
|
}
|
|
|
|
/************************ NON-ROOT **********************/
|
|
|
|
result = ads_verify_ticket(state->mem_ctx,
|
|
lp_realm(),
|
|
time_offset,
|
|
&tkt,
|
|
&client_princ_out,
|
|
&pac_data,
|
|
&ap_rep,
|
|
&session_key);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(0,("winbindd_raw_kerberos_login: ads_verify_ticket failed: %s\n",
|
|
nt_errstr(result)));
|
|
goto failed;
|
|
}
|
|
|
|
if (!pac_data) {
|
|
DEBUG(3,("winbindd_raw_kerberos_login: no pac data\n"));
|
|
result = NT_STATUS_INVALID_PARAMETER;
|
|
goto failed;
|
|
}
|
|
|
|
logon_info = get_logon_info_from_pac(pac_data);
|
|
if (logon_info == NULL) {
|
|
DEBUG(1,("winbindd_raw_kerberos_login: no logon info\n"));
|
|
result = NT_STATUS_INVALID_PARAMETER;
|
|
goto failed;
|
|
}
|
|
|
|
DEBUG(10,("winbindd_raw_kerberos_login: winbindd validated ticket of %s\n",
|
|
local_service));
|
|
|
|
|
|
/* last step:
|
|
* put results together */
|
|
|
|
*info3 = &logon_info->info3;
|
|
|
|
/* if we had a user's ccache then return that string for the pam
|
|
* environment */
|
|
|
|
if (!internal_ccache) {
|
|
|
|
setup_return_cc_name(state, cc);
|
|
|
|
result = add_ccache_to_list(principal_s,
|
|
cc,
|
|
service,
|
|
state->request.data.auth.user,
|
|
NULL,
|
|
state->request.data.auth.pass,
|
|
uid,
|
|
time(NULL),
|
|
ticket_lifetime,
|
|
renewal_until,
|
|
lp_winbind_refresh_tickets());
|
|
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_raw_kerberos_login: failed to add ccache to list: %s\n",
|
|
nt_errstr(result)));
|
|
}
|
|
}
|
|
|
|
result = NT_STATUS_OK;
|
|
|
|
goto done;
|
|
|
|
failed:
|
|
|
|
/* we could have created a new credential cache with a valid tgt in it
|
|
* but we werent able to get or verify the service ticket for this
|
|
* local host and therefor didn't get the PAC, we need to remove that
|
|
* cache entirely now */
|
|
|
|
krb5_ret = ads_kdestroy(cc);
|
|
if (krb5_ret) {
|
|
DEBUG(3,("winbindd_raw_kerberos_login: "
|
|
"could not destroy krb5 credential cache: "
|
|
"%s\n", error_message(krb5_ret)));
|
|
}
|
|
|
|
if (!NT_STATUS_IS_OK(remove_ccache_by_ccname(cc))) {
|
|
DEBUG(3,("winbindd_raw_kerberos_login: "
|
|
"could not remove ccache\n"));
|
|
}
|
|
|
|
done:
|
|
data_blob_free(&session_key);
|
|
data_blob_free(&session_key_krb5);
|
|
data_blob_free(&ap_rep);
|
|
data_blob_free(&tkt);
|
|
|
|
SAFE_FREE(client_princ_out);
|
|
|
|
if (!internal_ccache) {
|
|
gain_root_privilege();
|
|
}
|
|
|
|
return result;
|
|
#else
|
|
return NT_STATUS_NOT_SUPPORTED;
|
|
#endif /* HAVE_KRB5 */
|
|
}
|
|
|
|
void winbindd_pam_auth(struct winbindd_cli_state *state)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
fstring name_domain, name_user;
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth.user
|
|
[sizeof(state->request.data.auth.user)-1]='\0';
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth.pass
|
|
[sizeof(state->request.data.auth.pass)-1]='\0';
|
|
|
|
DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)state->pid,
|
|
state->request.data.auth.user));
|
|
|
|
/* Parse domain and username */
|
|
|
|
if (!parse_domain_user(state->request.data.auth.user,
|
|
name_domain, name_user)) {
|
|
set_auth_errors(&state->response, NT_STATUS_NO_SUCH_USER);
|
|
DEBUG(5, ("Plain text authentication for %s returned %s "
|
|
"(PAM: %d)\n",
|
|
state->request.data.auth.user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
request_error(state);
|
|
return;
|
|
}
|
|
|
|
domain = find_auth_domain(state, name_domain);
|
|
|
|
if (domain == NULL) {
|
|
set_auth_errors(&state->response, NT_STATUS_NO_SUCH_USER);
|
|
DEBUG(5, ("Plain text authentication for %s returned %s "
|
|
"(PAM: %d)\n",
|
|
state->request.data.auth.user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
request_error(state);
|
|
return;
|
|
}
|
|
|
|
sendto_domain(state, domain);
|
|
}
|
|
|
|
NTSTATUS winbindd_dual_pam_auth_cached(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state,
|
|
NET_USER_INFO_3 **info3)
|
|
{
|
|
NTSTATUS result = NT_STATUS_LOGON_FAILURE;
|
|
uint16 max_allowed_bad_attempts;
|
|
fstring name_domain, name_user;
|
|
DOM_SID sid;
|
|
enum SID_NAME_USE type;
|
|
uchar new_nt_pass[NT_HASH_LEN];
|
|
const uint8 *cached_nt_pass;
|
|
NET_USER_INFO_3 *my_info3;
|
|
time_t kickoff_time, must_change_time;
|
|
|
|
*info3 = NULL;
|
|
|
|
ZERO_STRUCTP(info3);
|
|
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached\n"));
|
|
|
|
/* Parse domain and username */
|
|
|
|
parse_domain_user(state->request.data.auth.user, name_domain, name_user);
|
|
|
|
|
|
if (!lookup_cached_name(state->mem_ctx,
|
|
name_domain,
|
|
name_user,
|
|
&sid,
|
|
&type)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: no such user in the cache\n"));
|
|
return NT_STATUS_NO_SUCH_USER;
|
|
}
|
|
|
|
if (type != SID_NAME_USER) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: not a user (%s)\n", sid_type_lookup(type)));
|
|
return NT_STATUS_LOGON_FAILURE;
|
|
}
|
|
|
|
result = winbindd_get_creds(domain,
|
|
state->mem_ctx,
|
|
&sid,
|
|
&my_info3,
|
|
&cached_nt_pass);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get creds: %s\n", nt_errstr(result)));
|
|
return result;
|
|
}
|
|
|
|
*info3 = my_info3;
|
|
|
|
E_md4hash(state->request.data.auth.pass, new_nt_pass);
|
|
|
|
#if DEBUG_PASSWORD
|
|
dump_data(100, (const char *)new_nt_pass, NT_HASH_LEN);
|
|
dump_data(100, (const char *)cached_nt_pass, NT_HASH_LEN);
|
|
#endif
|
|
|
|
if (!memcmp(cached_nt_pass, new_nt_pass, NT_HASH_LEN)) {
|
|
|
|
/* User *DOES* know the password, update logon_time and reset
|
|
* bad_pw_count */
|
|
|
|
my_info3->user_flgs |= LOGON_CACHED_ACCOUNT;
|
|
|
|
if (my_info3->acct_flags & ACB_AUTOLOCK) {
|
|
return NT_STATUS_ACCOUNT_LOCKED_OUT;
|
|
}
|
|
|
|
if (my_info3->acct_flags & ACB_DISABLED) {
|
|
return NT_STATUS_ACCOUNT_DISABLED;
|
|
}
|
|
|
|
if (my_info3->acct_flags & ACB_WSTRUST) {
|
|
return NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
|
|
}
|
|
|
|
if (my_info3->acct_flags & ACB_SVRTRUST) {
|
|
return NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT;
|
|
}
|
|
|
|
if (my_info3->acct_flags & ACB_DOMTRUST) {
|
|
return NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT;
|
|
}
|
|
|
|
/* The info3 acct_flags in NT4's samlogon reply don't have
|
|
* ACB_NORMAL set. */
|
|
#if 0
|
|
if (!(my_info3->acct_flags & ACB_NORMAL)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: whats wrong with that one?: 0x%08x\n",
|
|
my_info3->acct_flags));
|
|
return NT_STATUS_LOGON_FAILURE;
|
|
}
|
|
#endif
|
|
kickoff_time = nt_time_to_unix(&my_info3->kickoff_time);
|
|
if (kickoff_time != 0 && time(NULL) > kickoff_time) {
|
|
return NT_STATUS_ACCOUNT_EXPIRED;
|
|
}
|
|
|
|
must_change_time = nt_time_to_unix(&my_info3->pass_must_change_time);
|
|
if (must_change_time != 0 && must_change_time < time(NULL)) {
|
|
return NT_STATUS_PASSWORD_EXPIRED;
|
|
}
|
|
|
|
/* 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->logon_time, time(NULL));
|
|
my_info3->bad_pw_count = 0;
|
|
|
|
result = winbindd_update_creds_by_info3(domain,
|
|
state->mem_ctx,
|
|
state->request.data.auth.user,
|
|
state->request.data.auth.pass,
|
|
my_info3);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(1,("failed to update creds: %s\n", nt_errstr(result)));
|
|
return result;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
|
|
}
|
|
|
|
/* User does *NOT* know the correct password, modify info3 accordingly */
|
|
|
|
/* failure of this is not critical */
|
|
result = get_max_bad_attempts_from_lockout_policy(domain, state->mem_ctx, &max_allowed_bad_attempts);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get max_allowed_bad_attempts. "
|
|
"Won't be able to honour account lockout policies\n"));
|
|
}
|
|
|
|
/* increase counter */
|
|
my_info3->bad_pw_count++;
|
|
|
|
if (max_allowed_bad_attempts == 0) {
|
|
goto failed;
|
|
}
|
|
|
|
/* lockout user */
|
|
if (my_info3->bad_pw_count >= max_allowed_bad_attempts) {
|
|
|
|
uint32 password_properties;
|
|
|
|
result = get_pwd_properties(domain, state->mem_ctx, &password_properties);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached: failed to get password properties.\n"));
|
|
}
|
|
|
|
if ((my_info3->user_rid != DOMAIN_USER_RID_ADMIN) ||
|
|
(password_properties & DOMAIN_LOCKOUT_ADMINS)) {
|
|
my_info3->acct_flags |= ACB_AUTOLOCK;
|
|
}
|
|
}
|
|
|
|
failed:
|
|
result = winbindd_update_creds_by_info3(domain,
|
|
state->mem_ctx,
|
|
state->request.data.auth.user,
|
|
NULL,
|
|
my_info3);
|
|
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(0,("winbindd_dual_pam_auth_cached: failed to update creds %s\n",
|
|
nt_errstr(result)));
|
|
}
|
|
|
|
return NT_STATUS_LOGON_FAILURE;
|
|
}
|
|
|
|
NTSTATUS winbindd_dual_pam_auth_kerberos(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state,
|
|
NET_USER_INFO_3 **info3)
|
|
{
|
|
struct winbindd_domain *contact_domain;
|
|
fstring name_domain, name_user;
|
|
NTSTATUS result;
|
|
|
|
DEBUG(10,("winbindd_dual_pam_auth_kerberos\n"));
|
|
|
|
/* Parse domain and username */
|
|
|
|
parse_domain_user(state->request.data.auth.user, name_domain, name_user);
|
|
|
|
/* what domain should we contact? */
|
|
|
|
if ( IS_DC ) {
|
|
if (!(contact_domain = find_domain_from_name(name_domain))) {
|
|
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;
|
|
}
|
|
|
|
} else {
|
|
if (is_myname(name_domain)) {
|
|
DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
|
|
contact_domain = find_domain_from_name(name_domain);
|
|
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));
|
|
|
|
contact_domain = find_our_domain();
|
|
}
|
|
}
|
|
|
|
if (contact_domain->initialized &&
|
|
contact_domain->active_directory) {
|
|
goto try_login;
|
|
}
|
|
|
|
if (!contact_domain->initialized) {
|
|
set_dc_type_and_flags(contact_domain);
|
|
}
|
|
|
|
if (!contact_domain->active_directory) {
|
|
DEBUG(3,("krb5 auth requested but domain is not Active Directory\n"));
|
|
return NT_STATUS_INVALID_LOGON_TYPE;
|
|
}
|
|
try_login:
|
|
result = winbindd_raw_kerberos_login(contact_domain, state, info3);
|
|
done:
|
|
return result;
|
|
}
|
|
|
|
NTSTATUS winbindd_dual_pam_auth_samlogon(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state,
|
|
NET_USER_INFO_3 **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];
|
|
struct winbindd_domain *contact_domain;
|
|
fstring name_domain, name_user;
|
|
BOOL retry;
|
|
NTSTATUS result;
|
|
NET_USER_INFO_3 *my_info3;
|
|
|
|
ZERO_STRUCTP(info3);
|
|
|
|
*info3 = NULL;
|
|
|
|
my_info3 = TALLOC_ZERO_P(state->mem_ctx, NET_USER_INFO_3);
|
|
if (my_info3 == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
|
|
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, 8);
|
|
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(global_myname(), lp_workgroup());
|
|
|
|
if (!SMBNTLMv2encrypt(name_user, name_domain,
|
|
state->request.data.auth.pass,
|
|
&server_chal,
|
|
&names_blob,
|
|
&lm_response, &nt_response, 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, 0);
|
|
}
|
|
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));
|
|
}
|
|
|
|
/* what domain should we contact? */
|
|
|
|
if ( IS_DC ) {
|
|
if (!(contact_domain = find_domain_from_name(name_domain))) {
|
|
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;
|
|
}
|
|
|
|
} else {
|
|
if (is_myname(name_domain)) {
|
|
DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
|
|
contact_domain = find_our_domain();
|
|
}
|
|
|
|
/* check authentication loop */
|
|
|
|
do {
|
|
|
|
ZERO_STRUCTP(my_info3);
|
|
retry = False;
|
|
|
|
result = cm_connect_netlogon(contact_domain, &netlogon_pipe);
|
|
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
|
|
goto done;
|
|
}
|
|
|
|
result = rpccli_netlogon_sam_network_logon(netlogon_pipe,
|
|
state->mem_ctx,
|
|
0,
|
|
contact_domain->dcname, /* server name */
|
|
name_user, /* user name */
|
|
name_domain, /* target domain */
|
|
global_myname(), /* workstation */
|
|
chal,
|
|
lm_resp,
|
|
nt_resp,
|
|
my_info3);
|
|
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 (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)) {
|
|
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(&contact_domain->conn);
|
|
retry = True;
|
|
}
|
|
|
|
} while ( (attempts < 2) && retry );
|
|
|
|
*info3 = my_info3;
|
|
done:
|
|
return result;
|
|
}
|
|
|
|
enum winbindd_result winbindd_dual_pam_auth(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state)
|
|
{
|
|
NTSTATUS result = NT_STATUS_LOGON_FAILURE;
|
|
fstring name_domain, name_user;
|
|
NET_USER_INFO_3 *info3 = NULL;
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth.user[sizeof(state->request.data.auth.user)-1]='\0';
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth.pass[sizeof(state->request.data.auth.pass)-1]='\0';
|
|
|
|
DEBUG(3, ("[%5lu]: dual pam auth %s\n", (unsigned long)state->pid,
|
|
state->request.data.auth.user));
|
|
|
|
/* Parse domain and username */
|
|
|
|
parse_domain_user(state->request.data.auth.user, name_domain, name_user);
|
|
|
|
DEBUG(10,("winbindd_dual_pam_auth: domain: %s last was %s\n", domain->name, domain->online ? "online":"offline"));
|
|
|
|
/* Check for Kerberos authentication */
|
|
if (domain->online && (state->request.flags & WBFLAG_PAM_KRB5)) {
|
|
|
|
result = winbindd_dual_pam_auth_kerberos(domain, state, &info3);
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_kerberos succeeded\n"));
|
|
goto process_result;
|
|
} else {
|
|
DEBUG(10,("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)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_kerberos setting domain to offline\n"));
|
|
domain->online = False;
|
|
}
|
|
|
|
/* there are quite some NT_STATUS errors where there is no
|
|
* point in retrying with a samlogon, we explictly have to take
|
|
* care not to increase the bad logon counter on the DC */
|
|
|
|
if (NT_STATUS_EQUAL(result, NT_STATUS_ACCOUNT_DISABLED) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_ACCOUNT_EXPIRED) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_ACCOUNT_LOCKED_OUT) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_INVALID_LOGON_HOURS) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_INVALID_WORKSTATION) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_LOGON_FAILURE) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_USER) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_PASSWORD_EXPIRED) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_PASSWORD_MUST_CHANGE) ||
|
|
NT_STATUS_EQUAL(result, NT_STATUS_WRONG_PASSWORD)) {
|
|
goto process_result;
|
|
}
|
|
|
|
if (state->request.flags & WBFLAG_PAM_FALLBACK_AFTER_KRB5) {
|
|
DEBUG(3,("falling back to samlogon\n"));
|
|
goto sam_logon;
|
|
} else {
|
|
goto cached_logon;
|
|
}
|
|
}
|
|
|
|
sam_logon:
|
|
/* Check for Samlogon authentication */
|
|
if (domain->online) {
|
|
result = winbindd_dual_pam_auth_samlogon(domain, state, &info3);
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("winbindd_dual_pam_auth_samlogon succeeded\n"));
|
|
goto process_result;
|
|
} else {
|
|
DEBUG(10,("winbindd_dual_pam_auth_samlogon failed: %s\n", nt_errstr(result)));
|
|
if (domain->online) {
|
|
/* We're still online - fail. */
|
|
goto done;
|
|
}
|
|
/* Else drop through and see if we can check offline.... */
|
|
}
|
|
}
|
|
|
|
cached_logon:
|
|
/* Check for Cached logons */
|
|
if (!domain->online && (state->request.flags & WBFLAG_PAM_CACHED_LOGIN) &&
|
|
lp_winbind_offline_logon()) {
|
|
|
|
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 {
|
|
DEBUG(10,("winbindd_dual_pam_auth_cached failed: %s\n", nt_errstr(result)));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
process_result:
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
|
|
DOM_SID user_sid;
|
|
|
|
/* In all codepaths were result == NT_STATUS_OK info3 must have
|
|
been initialized. */
|
|
if (!info3) {
|
|
result = NT_STATUS_INTERNAL_ERROR;
|
|
goto done;
|
|
}
|
|
|
|
netsamlogon_cache_store(name_user, info3);
|
|
wcache_invalidate_samlogon(find_domain_from_name(name_domain), info3);
|
|
|
|
/* save name_to_sid info as early as possible */
|
|
sid_compose(&user_sid, &info3->dom_sid.sid, info3->user_rid);
|
|
cache_name2sid(domain, name_domain, name_user, SID_NAME_USER, &user_sid);
|
|
|
|
/* Check if the user is in the right group */
|
|
|
|
if (!NT_STATUS_IS_OK(result = check_info3_in_group(state->mem_ctx, info3,
|
|
state->request.data.auth.require_membership_of_sid))) {
|
|
DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
|
|
state->request.data.auth.user,
|
|
state->request.data.auth.require_membership_of_sid));
|
|
goto done;
|
|
}
|
|
|
|
if (state->request.flags & WBFLAG_PAM_INFO3_NDR) {
|
|
result = append_info3_as_ndr(state->mem_ctx, state, info3);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("Failed to append INFO3 (NDR): %s\n", nt_errstr(result)));
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (state->request.flags & WBFLAG_PAM_INFO3_TEXT) {
|
|
result = append_info3_as_txt(state->mem_ctx, state, info3);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("Failed to append INFO3 (TXT): %s\n", nt_errstr(result)));
|
|
goto done;
|
|
}
|
|
|
|
}
|
|
|
|
if ((state->request.flags & WBFLAG_PAM_CACHED_LOGIN) &&
|
|
lp_winbind_offline_logon()) {
|
|
|
|
result = winbindd_store_creds(domain,
|
|
state->mem_ctx,
|
|
state->request.data.auth.user,
|
|
state->request.data.auth.pass,
|
|
info3, NULL);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("Failed to store creds: %s\n", nt_errstr(result)));
|
|
goto done;
|
|
}
|
|
|
|
}
|
|
|
|
/* this is required to provide password expiry warning */
|
|
if (state->request.flags & WBFLAG_PAM_GET_PWD_POLICY) {
|
|
result = fillup_password_policy(domain, state);
|
|
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(10,("Failed to get password policies: %s\n", nt_errstr(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;
|
|
}
|
|
|
|
state->response.data.auth.nt_status = NT_STATUS_V(result);
|
|
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
|
|
|
|
/* we might have given a more useful error above */
|
|
if (!*state->response.data.auth.error_string)
|
|
fstrcpy(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
|
|
state->response.data.auth.pam_error = nt_status_to_pam(result);
|
|
|
|
DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2, ("Plain-text authentication for user %s returned %s (PAM: %d)\n",
|
|
state->request.data.auth.user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
|
|
if ( NT_STATUS_IS_OK(result) &&
|
|
(state->request.flags & WBFLAG_PAM_AFS_TOKEN) ) {
|
|
|
|
char *afsname = talloc_strdup(state->mem_ctx,
|
|
lp_afs_username_map());
|
|
char *cell;
|
|
|
|
if (afsname == NULL) {
|
|
goto no_token;
|
|
}
|
|
|
|
afsname = talloc_string_sub(state->mem_ctx,
|
|
lp_afs_username_map(),
|
|
"%D", name_domain);
|
|
afsname = talloc_string_sub(state->mem_ctx, afsname,
|
|
"%u", name_user);
|
|
afsname = talloc_string_sub(state->mem_ctx, afsname,
|
|
"%U", name_user);
|
|
|
|
{
|
|
DOM_SID user_sid;
|
|
fstring sidstr;
|
|
|
|
sid_copy(&user_sid, &info3->dom_sid.sid);
|
|
sid_append_rid(&user_sid, info3->user_rid);
|
|
sid_to_string(sidstr, &user_sid);
|
|
afsname = talloc_string_sub(state->mem_ctx, afsname,
|
|
"%s", sidstr);
|
|
}
|
|
|
|
if (afsname == NULL) {
|
|
goto no_token;
|
|
}
|
|
|
|
strlower_m(afsname);
|
|
|
|
DEBUG(10, ("Generating token for user %s\n", afsname));
|
|
|
|
cell = strchr(afsname, '@');
|
|
|
|
if (cell == NULL) {
|
|
goto no_token;
|
|
}
|
|
|
|
*cell = '\0';
|
|
cell += 1;
|
|
|
|
/* Append an AFS token string */
|
|
SAFE_FREE(state->response.extra_data.data);
|
|
state->response.extra_data.data =
|
|
afs_createtoken_str(afsname, cell);
|
|
|
|
if (state->response.extra_data.data != NULL)
|
|
state->response.length +=
|
|
strlen(state->response.extra_data.data)+1;
|
|
|
|
no_token:
|
|
TALLOC_FREE(afsname);
|
|
}
|
|
|
|
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
Challenge Response Authentication Protocol
|
|
**********************************************************************/
|
|
|
|
void winbindd_pam_auth_crap(struct winbindd_cli_state *state)
|
|
{
|
|
struct winbindd_domain *domain = NULL;
|
|
const char *domain_name = NULL;
|
|
NTSTATUS result;
|
|
|
|
if (!state->privileged) {
|
|
char *error_string = NULL;
|
|
DEBUG(2, ("winbindd_pam_auth_crap: non-privileged access "
|
|
"denied. !\n"));
|
|
DEBUGADD(2, ("winbindd_pam_auth_crap: Ensure permissions "
|
|
"on %s are set correctly.\n",
|
|
get_winbind_priv_pipe_dir()));
|
|
/* send a better message than ACCESS_DENIED */
|
|
error_string = talloc_asprintf(state->mem_ctx,
|
|
"winbind client not authorized "
|
|
"to use winbindd_pam_auth_crap."
|
|
" Ensure permissions on %s "
|
|
"are set correctly.",
|
|
get_winbind_priv_pipe_dir());
|
|
fstrcpy(state->response.data.auth.error_string, error_string);
|
|
result = NT_STATUS_ACCESS_DENIED;
|
|
goto done;
|
|
}
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth_crap.user
|
|
[sizeof(state->request.data.auth_crap.user)-1]=0;
|
|
state->request.data.auth_crap.domain
|
|
[sizeof(state->request.data.auth_crap.domain)-1]=0;
|
|
|
|
DEBUG(3, ("[%5lu]: pam auth crap domain: [%s] user: %s\n",
|
|
(unsigned long)state->pid,
|
|
state->request.data.auth_crap.domain,
|
|
state->request.data.auth_crap.user));
|
|
|
|
if (*state->request.data.auth_crap.domain != '\0') {
|
|
domain_name = state->request.data.auth_crap.domain;
|
|
} else if (lp_winbind_use_default_domain()) {
|
|
domain_name = lp_workgroup();
|
|
}
|
|
|
|
if (domain_name != NULL)
|
|
domain = find_auth_domain(state, domain_name);
|
|
|
|
if (domain != NULL) {
|
|
sendto_domain(state, domain);
|
|
return;
|
|
}
|
|
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
|
|
done:
|
|
set_auth_errors(&state->response, result);
|
|
DEBUG(5, ("CRAP authentication for %s\\%s returned %s (PAM: %d)\n",
|
|
state->request.data.auth_crap.domain,
|
|
state->request.data.auth_crap.user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
request_error(state);
|
|
return;
|
|
}
|
|
|
|
|
|
enum winbindd_result winbindd_dual_pam_auth_crap(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state)
|
|
{
|
|
NTSTATUS result;
|
|
NET_USER_INFO_3 info3;
|
|
struct rpc_pipe_client *netlogon_pipe;
|
|
const char *name_user = NULL;
|
|
const char *name_domain = NULL;
|
|
const char *workstation;
|
|
struct winbindd_domain *contact_domain;
|
|
int attempts = 0;
|
|
BOOL retry;
|
|
|
|
DATA_BLOB lm_resp, nt_resp;
|
|
|
|
/* This is child-only, so no check for privileged access is needed
|
|
anymore */
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.auth_crap.user[sizeof(state->request.data.auth_crap.user)-1]=0;
|
|
state->request.data.auth_crap.domain[sizeof(state->request.data.auth_crap.domain)-1]=0;
|
|
|
|
name_user = state->request.data.auth_crap.user;
|
|
|
|
if (*state->request.data.auth_crap.domain) {
|
|
name_domain = state->request.data.auth_crap.domain;
|
|
} else if (lp_winbind_use_default_domain()) {
|
|
name_domain = lp_workgroup();
|
|
} else {
|
|
DEBUG(5,("no domain specified with username (%s) - failing auth\n",
|
|
name_user));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
|
|
DEBUG(3, ("[%5lu]: pam auth crap domain: %s user: %s\n", (unsigned long)state->pid,
|
|
name_domain, name_user));
|
|
|
|
if (*state->request.data.auth_crap.workstation) {
|
|
workstation = state->request.data.auth_crap.workstation;
|
|
} else {
|
|
workstation = global_myname();
|
|
}
|
|
|
|
if (state->request.data.auth_crap.lm_resp_len > sizeof(state->request.data.auth_crap.lm_resp)
|
|
|| state->request.data.auth_crap.nt_resp_len > sizeof(state->request.data.auth_crap.nt_resp)) {
|
|
DEBUG(0, ("winbindd_pam_auth_crap: invalid password length %u/%u\n",
|
|
state->request.data.auth_crap.lm_resp_len,
|
|
state->request.data.auth_crap.nt_resp_len));
|
|
result = NT_STATUS_INVALID_PARAMETER;
|
|
goto done;
|
|
}
|
|
|
|
lm_resp = data_blob_talloc(state->mem_ctx, state->request.data.auth_crap.lm_resp,
|
|
state->request.data.auth_crap.lm_resp_len);
|
|
nt_resp = data_blob_talloc(state->mem_ctx, state->request.data.auth_crap.nt_resp,
|
|
state->request.data.auth_crap.nt_resp_len);
|
|
|
|
/* what domain should we contact? */
|
|
|
|
if ( IS_DC ) {
|
|
if (!(contact_domain = find_domain_from_name(name_domain))) {
|
|
DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
|
|
state->request.data.auth_crap.user, name_domain, name_user, name_domain));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
} else {
|
|
if (is_myname(name_domain)) {
|
|
DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
contact_domain = find_our_domain();
|
|
}
|
|
|
|
do {
|
|
ZERO_STRUCT(info3);
|
|
retry = False;
|
|
|
|
netlogon_pipe = NULL;
|
|
result = cm_connect_netlogon(contact_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;
|
|
}
|
|
|
|
result = rpccli_netlogon_sam_network_logon(netlogon_pipe,
|
|
state->mem_ctx,
|
|
state->request.data.auth_crap.logon_parameters,
|
|
contact_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);
|
|
|
|
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 (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)) {
|
|
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(&contact_domain->conn);
|
|
retry = True;
|
|
}
|
|
|
|
} while ( (attempts < 2) && retry );
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
|
|
netsamlogon_cache_store(name_user, &info3);
|
|
wcache_invalidate_samlogon(find_domain_from_name(name_domain), &info3);
|
|
|
|
/* Check if the user is in the right group */
|
|
|
|
if (!NT_STATUS_IS_OK(result = check_info3_in_group(state->mem_ctx, &info3,
|
|
state->request.data.auth_crap.require_membership_of_sid))) {
|
|
DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
|
|
state->request.data.auth_crap.user,
|
|
state->request.data.auth_crap.require_membership_of_sid));
|
|
goto done;
|
|
}
|
|
|
|
if (state->request.flags & WBFLAG_PAM_INFO3_NDR) {
|
|
result = append_info3_as_ndr(state->mem_ctx, state, &info3);
|
|
} else if (state->request.flags & WBFLAG_PAM_UNIX_NAME) {
|
|
/* ntlm_auth should return the unix username, per
|
|
'winbind use default domain' settings and the like */
|
|
|
|
fstring username_out;
|
|
const char *nt_username, *nt_domain;
|
|
if (!(nt_username = unistr2_tdup(state->mem_ctx, &(info3.uni_user_name)))) {
|
|
/* If the server didn't give us one, just use the one we sent them */
|
|
nt_username = name_user;
|
|
}
|
|
|
|
if (!(nt_domain = unistr2_tdup(state->mem_ctx, &(info3.uni_logon_dom)))) {
|
|
/* If the server didn't give us one, just use the one we sent them */
|
|
nt_domain = name_domain;
|
|
}
|
|
|
|
fill_domain_username(username_out, nt_domain, nt_username, True);
|
|
|
|
DEBUG(5, ("Setting unix username to [%s]\n", username_out));
|
|
|
|
SAFE_FREE(state->response.extra_data.data);
|
|
state->response.extra_data.data = SMB_STRDUP(username_out);
|
|
if (!state->response.extra_data.data) {
|
|
result = NT_STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
state->response.length += strlen(state->response.extra_data.data)+1;
|
|
}
|
|
|
|
if (state->request.flags & WBFLAG_PAM_USER_SESSION_KEY) {
|
|
memcpy(state->response.data.auth.user_session_key, info3.user_sess_key,
|
|
sizeof(state->response.data.auth.user_session_key) /* 16 */);
|
|
}
|
|
if (state->request.flags & WBFLAG_PAM_LMKEY) {
|
|
memcpy(state->response.data.auth.first_8_lm_hash, info3.lm_sess_key,
|
|
sizeof(state->response.data.auth.first_8_lm_hash) /* 8 */);
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
state->response.data.auth.nt_status = NT_STATUS_V(result);
|
|
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
|
|
|
|
/* we might have given a more useful error above */
|
|
if (!*state->response.data.auth.error_string) {
|
|
fstrcpy(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
|
|
}
|
|
state->response.data.auth.pam_error = nt_status_to_pam(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;
|
|
}
|
|
|
|
/* Change a user password */
|
|
|
|
void winbindd_pam_chauthtok(struct winbindd_cli_state *state)
|
|
{
|
|
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
|
|
char *oldpass;
|
|
char *newpass = NULL;
|
|
fstring domain, user;
|
|
POLICY_HND dom_pol;
|
|
struct winbindd_domain *contact_domain;
|
|
struct rpc_pipe_client *cli;
|
|
BOOL got_info = False;
|
|
SAM_UNK_INFO_1 info;
|
|
SAMR_CHANGE_REJECT reject;
|
|
|
|
DEBUG(3, ("[%5lu]: pam chauthtok %s\n", (unsigned long)state->pid,
|
|
state->request.data.chauthtok.user));
|
|
|
|
/* Setup crap */
|
|
|
|
parse_domain_user(state->request.data.chauthtok.user, domain, user);
|
|
|
|
contact_domain = find_domain_from_name(domain);
|
|
if (!contact_domain) {
|
|
DEBUG(3, ("Cannot change password for [%s] -> [%s]\\[%s] as %s is not a trusted domain\n",
|
|
state->request.data.chauthtok.user, domain, user, domain));
|
|
result = NT_STATUS_NO_SUCH_USER;
|
|
goto done;
|
|
}
|
|
|
|
/* Change password */
|
|
|
|
oldpass = state->request.data.chauthtok.oldpass;
|
|
newpass = state->request.data.chauthtok.newpass;
|
|
|
|
/* Initialize reject reason */
|
|
state->response.data.auth.reject_reason = Undefined;
|
|
|
|
/* Get sam handle */
|
|
|
|
result = cm_connect_sam(contact_domain, state->mem_ctx, &cli,
|
|
&dom_pol);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(1, ("could not get SAM handle on DC for %s\n", domain));
|
|
goto done;
|
|
}
|
|
|
|
result = rpccli_samr_chgpasswd3(cli, state->mem_ctx, user, newpass, oldpass, &info, &reject);
|
|
|
|
/* FIXME: need to check for other error codes ? */
|
|
if (NT_STATUS_EQUAL(result, NT_STATUS_PASSWORD_RESTRICTION)) {
|
|
|
|
state->response.data.auth.policy.min_length_password =
|
|
info.min_length_password;
|
|
state->response.data.auth.policy.password_history =
|
|
info.password_history;
|
|
state->response.data.auth.policy.password_properties =
|
|
info.password_properties;
|
|
state->response.data.auth.policy.expire =
|
|
nt_time_to_unix_abs(&info.expire);
|
|
state->response.data.auth.policy.min_passwordage =
|
|
nt_time_to_unix_abs(&info.min_passwordage);
|
|
|
|
state->response.data.auth.reject_reason =
|
|
reject.reject_reason;
|
|
|
|
got_info = True;
|
|
|
|
/* only fallback when the chgpasswd3 call is not supported */
|
|
} else 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_NOT_IMPLEMENTED))) {
|
|
|
|
DEBUG(10,("Password change with chgpasswd3 failed with: %s, retrying chgpasswd_user\n",
|
|
nt_errstr(result)));
|
|
|
|
result = rpccli_samr_chgpasswd_user(cli, state->mem_ctx, user, newpass, oldpass);
|
|
}
|
|
|
|
done:
|
|
if (NT_STATUS_IS_OK(result) && (state->request.flags & WBFLAG_PAM_CACHED_LOGIN) &&
|
|
lp_winbind_offline_logon()) {
|
|
|
|
NTSTATUS cred_ret;
|
|
|
|
cred_ret = winbindd_update_creds_by_name(contact_domain,
|
|
state->mem_ctx, user,
|
|
newpass);
|
|
if (!NT_STATUS_IS_OK(cred_ret)) {
|
|
DEBUG(10,("Failed to store creds: %s\n", nt_errstr(cred_ret)));
|
|
goto process_result; /* FIXME: hm, risking inconsistant cache ? */
|
|
}
|
|
}
|
|
|
|
if (!NT_STATUS_IS_OK(result) && !got_info && contact_domain) {
|
|
|
|
NTSTATUS policy_ret;
|
|
|
|
policy_ret = fillup_password_policy(contact_domain, state);
|
|
|
|
/* failure of this is non critical, it will just provide no
|
|
* additional information to the client why the change has
|
|
* failed - Guenther */
|
|
|
|
if (!NT_STATUS_IS_OK(policy_ret)) {
|
|
DEBUG(10,("Failed to get password policies: %s\n", nt_errstr(policy_ret)));
|
|
goto process_result;
|
|
}
|
|
}
|
|
|
|
process_result:
|
|
|
|
state->response.data.auth.nt_status = NT_STATUS_V(result);
|
|
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
|
|
fstrcpy(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
|
|
state->response.data.auth.pam_error = nt_status_to_pam(result);
|
|
|
|
DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2,
|
|
("Password change for user [%s]\\[%s] returned %s (PAM: %d)\n",
|
|
domain,
|
|
user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
request_ok(state);
|
|
} else {
|
|
request_error(state);
|
|
}
|
|
}
|
|
|
|
void winbindd_pam_logoff(struct winbindd_cli_state *state)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
fstring name_domain, user;
|
|
|
|
DEBUG(3, ("[%5lu]: pam logoff %s\n", (unsigned long)state->pid,
|
|
state->request.data.logoff.user));
|
|
|
|
/* Ensure null termination */
|
|
state->request.data.logoff.user
|
|
[sizeof(state->request.data.logoff.user)-1]='\0';
|
|
|
|
state->request.data.logoff.krb5ccname
|
|
[sizeof(state->request.data.logoff.krb5ccname)-1]='\0';
|
|
|
|
parse_domain_user(state->request.data.logoff.user, name_domain, user);
|
|
|
|
domain = find_auth_domain(state, name_domain);
|
|
|
|
if (domain == NULL) {
|
|
set_auth_errors(&state->response, NT_STATUS_NO_SUCH_USER);
|
|
DEBUG(5, ("Pam Logoff for %s returned %s "
|
|
"(PAM: %d)\n",
|
|
state->request.data.auth.user,
|
|
state->response.data.auth.nt_status_string,
|
|
state->response.data.auth.pam_error));
|
|
request_error(state);
|
|
return;
|
|
}
|
|
|
|
sendto_domain(state, domain);
|
|
}
|
|
|
|
enum winbindd_result winbindd_dual_pam_logoff(struct winbindd_domain *domain,
|
|
struct winbindd_cli_state *state)
|
|
{
|
|
NTSTATUS result = NT_STATUS_NOT_SUPPORTED;
|
|
struct WINBINDD_CCACHE_ENTRY *entry;
|
|
int ret;
|
|
|
|
DEBUG(3, ("[%5lu]: pam dual logoff %s\n", (unsigned long)state->pid,
|
|
state->request.data.logoff.user));
|
|
|
|
if (!(state->request.flags & WBFLAG_PAM_KRB5)) {
|
|
result = NT_STATUS_OK;
|
|
goto process_result;
|
|
}
|
|
|
|
#ifdef HAVE_KRB5
|
|
|
|
/* what we need here is to find the corresponding krb5 ccache name *we*
|
|
* created for a given username and destroy it (as the user who created it) */
|
|
|
|
entry = get_ccache_by_username(state->request.data.logoff.user);
|
|
if (entry == NULL) {
|
|
DEBUG(10,("winbindd_pam_logoff: could not get ccname for user %s\n",
|
|
state->request.data.logoff.user));
|
|
goto process_result;
|
|
}
|
|
|
|
DEBUG(10,("winbindd_pam_logoff: found ccache [%s]\n", entry->ccname));
|
|
|
|
if (entry->uid < 0 || state->request.data.logoff.uid < 0) {
|
|
DEBUG(0,("winbindd_pam_logoff: invalid uid\n"));
|
|
goto process_result;
|
|
}
|
|
|
|
if (entry->uid != state->request.data.logoff.uid) {
|
|
DEBUG(0,("winbindd_pam_logoff: uid's differ: %d != %d\n",
|
|
entry->uid, state->request.data.logoff.uid));
|
|
goto process_result;
|
|
}
|
|
|
|
if (!strcsequal(entry->ccname, state->request.data.logoff.krb5ccname)) {
|
|
DEBUG(0,("winbindd_pam_logoff: krb5ccnames differ: (daemon) %s != (client) %s\n",
|
|
entry->ccname, state->request.data.logoff.krb5ccname));
|
|
goto process_result;
|
|
}
|
|
|
|
ret = ads_kdestroy(entry->ccname);
|
|
|
|
if (ret) {
|
|
DEBUG(0,("winbindd_pam_logoff: failed to destroy user ccache %s with: %s\n",
|
|
entry->ccname, error_message(ret)));
|
|
} else {
|
|
DEBUG(10,("winbindd_pam_logoff: successfully destroyed ccache %s for user %s\n",
|
|
entry->ccname, state->request.data.logoff.user));
|
|
remove_ccache_by_ccname(entry->ccname);
|
|
}
|
|
|
|
result = krb5_to_nt_status(ret);
|
|
#else
|
|
result = NT_STATUS_NOT_SUPPORTED;
|
|
#endif
|
|
|
|
process_result:
|
|
state->response.data.auth.nt_status = NT_STATUS_V(result);
|
|
fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
|
|
fstrcpy(state->response.data.auth.error_string, get_friendly_nt_error_msg(result));
|
|
state->response.data.auth.pam_error = nt_status_to_pam(result);
|
|
|
|
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
|
|
}
|
|
|