mirror of
https://github.com/samba-team/samba.git
synced 2024-12-22 13:34:15 +03:00
9895018b64
This field may be used to convey whether we were provided with a TGT or a non-TGT. We ensure both structures are zeroed out to avoid incorrect results being produced by an uninitialised field. BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047 BUG: https://bugzilla.samba.org/show_bug.cgi?id=15049 Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andreas Schneider <asn@samba.org>
433 lines
13 KiB
C
433 lines
13 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
Authentication utility functions
|
|
Copyright (C) Andrew Tridgell 1992-1998
|
|
Copyright (C) Andrew Bartlett 2001-2010
|
|
Copyright (C) Jeremy Allison 2000-2001
|
|
Copyright (C) Rafal Szczesniak 2002
|
|
Copyright (C) Stefan Metzmacher 2005
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "libcli/security/security.h"
|
|
#include "auth/credentials/credentials.h"
|
|
#include "param/param.h"
|
|
#include "auth/auth.h" /* for auth_user_info_dc */
|
|
#include "auth/session.h"
|
|
#include "auth/system_session_proto.h"
|
|
|
|
#undef DBGC_CLASS
|
|
#define DBGC_CLASS DBGC_AUTH
|
|
|
|
/*
|
|
prevent the static system session being freed
|
|
*/
|
|
static int system_session_destructor(struct auth_session_info *info)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
/* Create a security token for a session SYSTEM (the most
|
|
* trusted/privileged account), including the local machine account as
|
|
* the off-host credentials
|
|
*/
|
|
_PUBLIC_ struct auth_session_info *system_session(struct loadparm_context *lp_ctx)
|
|
{
|
|
static struct auth_session_info *static_session;
|
|
NTSTATUS nt_status;
|
|
|
|
if (static_session) {
|
|
return static_session;
|
|
}
|
|
|
|
/*
|
|
* Use NULL here, not the autofree context for this
|
|
* static pointer. The destructor prevents freeing this
|
|
* memory anyway.
|
|
*/
|
|
nt_status = auth_system_session_info(NULL,
|
|
lp_ctx,
|
|
&static_session);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
TALLOC_FREE(static_session);
|
|
return NULL;
|
|
}
|
|
talloc_set_destructor(static_session, system_session_destructor);
|
|
return static_session;
|
|
}
|
|
|
|
NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
|
|
struct loadparm_context *lp_ctx,
|
|
struct auth_session_info **_session_info)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct auth_user_info_dc *user_info_dc = NULL;
|
|
struct auth_session_info *session_info = NULL;
|
|
TALLOC_CTX *mem_ctx = NULL;
|
|
bool ok;
|
|
|
|
mem_ctx = talloc_new(parent_ctx);
|
|
if (mem_ctx == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
nt_status = auth_system_user_info_dc(mem_ctx, lpcfg_netbios_name(lp_ctx),
|
|
&user_info_dc);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
talloc_free(mem_ctx);
|
|
return nt_status;
|
|
}
|
|
|
|
/* references the user_info_dc into the session_info */
|
|
nt_status = auth_generate_session_info(parent_ctx, NULL, NULL, user_info_dc, AUTH_SESSION_INFO_SIMPLE_PRIVILEGES, &session_info);
|
|
talloc_free(mem_ctx);
|
|
|
|
NT_STATUS_NOT_OK_RETURN(nt_status);
|
|
|
|
session_info->credentials = cli_credentials_init(session_info);
|
|
if (!session_info->credentials) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
ok = cli_credentials_set_conf(session_info->credentials, lp_ctx);
|
|
if (!ok) {
|
|
return NT_STATUS_INTERNAL_ERROR;
|
|
}
|
|
|
|
cli_credentials_set_machine_account_pending(session_info->credentials, lp_ctx);
|
|
*_session_info = session_info;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS auth_system_user_info_dc(TALLOC_CTX *mem_ctx, const char *netbios_name,
|
|
struct auth_user_info_dc **_user_info_dc)
|
|
{
|
|
struct auth_user_info_dc *user_info_dc;
|
|
struct auth_user_info *info;
|
|
|
|
user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
|
|
|
|
/* This returns a pointer to a struct dom_sid, which is the
|
|
* same as a 1 element list of struct dom_sid */
|
|
user_info_dc->num_sids = 1;
|
|
user_info_dc->sids = dom_sid_dup(user_info_dc, &global_sid_System);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
|
|
|
|
/* annoying, but the Anonymous really does have a session key,
|
|
and it is all zeros! */
|
|
user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
|
|
|
|
user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
|
|
|
|
data_blob_clear(&user_info_dc->user_session_key);
|
|
data_blob_clear(&user_info_dc->lm_session_key);
|
|
|
|
user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
|
|
|
|
info->account_name = talloc_strdup(info, "SYSTEM");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->account_name);
|
|
|
|
info->domain_name = talloc_strdup(info, "NT AUTHORITY");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
|
|
|
|
info->full_name = talloc_strdup(info, "System");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->full_name);
|
|
|
|
info->logon_script = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
|
|
|
|
info->profile_path = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
|
|
|
|
info->home_directory = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
|
|
|
|
info->home_drive = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
|
|
|
|
info->logon_server = talloc_strdup(info, netbios_name);
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
|
|
|
|
info->last_logon = 0;
|
|
info->last_logoff = 0;
|
|
info->acct_expiry = 0;
|
|
info->last_password_change = 0;
|
|
info->allow_password_change = 0;
|
|
info->force_password_change = 0;
|
|
|
|
info->logon_count = 0;
|
|
info->bad_password_count = 0;
|
|
|
|
info->acct_flags = ACB_NORMAL;
|
|
|
|
info->authenticated = true;
|
|
|
|
*_user_info_dc = user_info_dc;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
|
|
static NTSTATUS auth_domain_admin_user_info_dc(TALLOC_CTX *mem_ctx,
|
|
const char *netbios_name,
|
|
const char *domain_name,
|
|
struct dom_sid *domain_sid,
|
|
struct auth_user_info_dc **_user_info_dc)
|
|
{
|
|
struct auth_user_info_dc *user_info_dc;
|
|
struct auth_user_info *info;
|
|
|
|
user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
|
|
|
|
user_info_dc->num_sids = 7;
|
|
user_info_dc->sids = talloc_array(user_info_dc, struct dom_sid, user_info_dc->num_sids);
|
|
|
|
user_info_dc->sids[PRIMARY_USER_SID_INDEX] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[PRIMARY_USER_SID_INDEX], DOMAIN_RID_ADMINISTRATOR);
|
|
|
|
user_info_dc->sids[PRIMARY_GROUP_SID_INDEX] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[PRIMARY_GROUP_SID_INDEX], DOMAIN_RID_USERS);
|
|
|
|
user_info_dc->sids[2] = global_sid_Builtin_Administrators;
|
|
|
|
user_info_dc->sids[3] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[3], DOMAIN_RID_ADMINS);
|
|
user_info_dc->sids[4] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[4], DOMAIN_RID_ENTERPRISE_ADMINS);
|
|
user_info_dc->sids[5] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[5], DOMAIN_RID_POLICY_ADMINS);
|
|
user_info_dc->sids[6] = *domain_sid;
|
|
sid_append_rid(&user_info_dc->sids[6], DOMAIN_RID_SCHEMA_ADMINS);
|
|
|
|
/* What should the session key be?*/
|
|
user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
|
|
|
|
user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
|
|
|
|
data_blob_clear(&user_info_dc->user_session_key);
|
|
data_blob_clear(&user_info_dc->lm_session_key);
|
|
|
|
user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
|
|
|
|
info->account_name = talloc_strdup(info, "Administrator");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->account_name);
|
|
|
|
info->domain_name = talloc_strdup(info, domain_name);
|
|
NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
|
|
|
|
info->full_name = talloc_strdup(info, "Administrator");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->full_name);
|
|
|
|
info->logon_script = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
|
|
|
|
info->profile_path = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
|
|
|
|
info->home_directory = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
|
|
|
|
info->home_drive = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
|
|
|
|
info->logon_server = talloc_strdup(info, netbios_name);
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
|
|
|
|
info->last_logon = 0;
|
|
info->last_logoff = 0;
|
|
info->acct_expiry = 0;
|
|
info->last_password_change = 0;
|
|
info->allow_password_change = 0;
|
|
info->force_password_change = 0;
|
|
|
|
info->logon_count = 0;
|
|
info->bad_password_count = 0;
|
|
|
|
info->acct_flags = ACB_NORMAL;
|
|
|
|
info->authenticated = true;
|
|
|
|
*_user_info_dc = user_info_dc;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS auth_domain_admin_session_info(TALLOC_CTX *parent_ctx,
|
|
struct loadparm_context *lp_ctx,
|
|
struct dom_sid *domain_sid,
|
|
struct auth_session_info **session_info)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct auth_user_info_dc *user_info_dc = NULL;
|
|
TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
|
|
|
|
NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
|
|
|
|
nt_status = auth_domain_admin_user_info_dc(mem_ctx, lpcfg_netbios_name(lp_ctx),
|
|
lpcfg_workgroup(lp_ctx), domain_sid,
|
|
&user_info_dc);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
talloc_free(mem_ctx);
|
|
return nt_status;
|
|
}
|
|
|
|
nt_status = auth_generate_session_info(mem_ctx, NULL, NULL, user_info_dc,
|
|
AUTH_SESSION_INFO_SIMPLE_PRIVILEGES|AUTH_SESSION_INFO_AUTHENTICATED|AUTH_SESSION_INFO_DEFAULT_GROUPS,
|
|
session_info);
|
|
/* There is already a reference between the sesion_info and user_info_dc */
|
|
if (NT_STATUS_IS_OK(nt_status)) {
|
|
talloc_steal(parent_ctx, *session_info);
|
|
}
|
|
talloc_free(mem_ctx);
|
|
return nt_status;
|
|
}
|
|
|
|
_PUBLIC_ struct auth_session_info *admin_session(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct dom_sid *domain_sid)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct auth_session_info *session_info = NULL;
|
|
nt_status = auth_domain_admin_session_info(mem_ctx,
|
|
lp_ctx,
|
|
domain_sid,
|
|
&session_info);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
return NULL;
|
|
}
|
|
return session_info;
|
|
}
|
|
|
|
_PUBLIC_ NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx,
|
|
struct loadparm_context *lp_ctx,
|
|
struct auth_session_info **_session_info)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct auth_user_info_dc *user_info_dc = NULL;
|
|
struct auth_session_info *session_info = NULL;
|
|
TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
|
|
bool ok;
|
|
|
|
nt_status = auth_anonymous_user_info_dc(mem_ctx,
|
|
lpcfg_netbios_name(lp_ctx),
|
|
&user_info_dc);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
talloc_free(mem_ctx);
|
|
return nt_status;
|
|
}
|
|
|
|
/* references the user_info_dc into the session_info */
|
|
nt_status = auth_generate_session_info(parent_ctx, NULL, NULL, user_info_dc, AUTH_SESSION_INFO_SIMPLE_PRIVILEGES, &session_info);
|
|
talloc_free(mem_ctx);
|
|
|
|
NT_STATUS_NOT_OK_RETURN(nt_status);
|
|
|
|
session_info->credentials = cli_credentials_init(session_info);
|
|
if (!session_info->credentials) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
ok = cli_credentials_set_conf(session_info->credentials, lp_ctx);
|
|
if (!ok) {
|
|
return NT_STATUS_INTERNAL_ERROR;
|
|
}
|
|
cli_credentials_set_anonymous(session_info->credentials);
|
|
|
|
*_session_info = session_info;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
_PUBLIC_ NTSTATUS auth_anonymous_user_info_dc(TALLOC_CTX *mem_ctx,
|
|
const char *netbios_name,
|
|
struct auth_user_info_dc **_user_info_dc)
|
|
{
|
|
struct auth_user_info_dc *user_info_dc;
|
|
struct auth_user_info *info;
|
|
user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
|
|
|
|
/* This returns a pointer to a struct dom_sid, which is the
|
|
* same as a 1 element list of struct dom_sid */
|
|
user_info_dc->num_sids = 1;
|
|
user_info_dc->sids = dom_sid_dup(user_info_dc, &global_sid_Anonymous);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
|
|
|
|
/* annoying, but the Anonymous really does have a session key... */
|
|
user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
|
|
|
|
user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
|
|
|
|
/* and it is all zeros! */
|
|
data_blob_clear(&user_info_dc->user_session_key);
|
|
data_blob_clear(&user_info_dc->lm_session_key);
|
|
|
|
user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
|
|
NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
|
|
|
|
info->account_name = talloc_strdup(info, "ANONYMOUS LOGON");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->account_name);
|
|
|
|
info->domain_name = talloc_strdup(info, "NT AUTHORITY");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
|
|
|
|
info->full_name = talloc_strdup(info, "Anonymous Logon");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->full_name);
|
|
|
|
info->logon_script = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
|
|
|
|
info->profile_path = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
|
|
|
|
info->home_directory = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
|
|
|
|
info->home_drive = talloc_strdup(info, "");
|
|
NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
|
|
|
|
info->logon_server = talloc_strdup(info, netbios_name);
|
|
NT_STATUS_HAVE_NO_MEMORY(info->logon_server);
|
|
|
|
info->last_logon = 0;
|
|
info->last_logoff = 0;
|
|
info->acct_expiry = 0;
|
|
info->last_password_change = 0;
|
|
info->allow_password_change = 0;
|
|
info->force_password_change = 0;
|
|
|
|
info->logon_count = 0;
|
|
info->bad_password_count = 0;
|
|
|
|
info->acct_flags = ACB_NORMAL;
|
|
|
|
info->authenticated = false;
|
|
|
|
*_user_info_dc = user_info_dc;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|