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/*
Unix SMB/CIFS implementation.
Authentication utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Andrew Bartlett 2001
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 "libcli/auth/libcli_auth.h"
#include "dsdb/samdb/samdb.h"
#include "auth/credentials/credentials.h"
#include "param/param.h"
#include "auth/auth.h" /* for auth_serversupplied_info */
#include "auth/session.h"
#include "auth/system_session_proto.h"
/**
Create a system session, with machine account credentials
*/
_PUBLIC_ struct auth_session_info *system_session(TALLOC_CTX *mem_ctx)
{
NTSTATUS nt_status;
struct auth_session_info *session_info = NULL;
nt_status = auth_system_session_info(mem_ctx,
&session_info);
if (!NT_STATUS_IS_OK(nt_status)) {
return NULL;
}
return session_info;
}
static NTSTATUS _auth_system_session_info(TALLOC_CTX *parent_ctx,
bool anonymous_credentials,
struct auth_session_info **_session_info)
{
NTSTATUS nt_status;
struct auth_serversupplied_info *server_info = NULL;
struct auth_session_info *session_info = NULL;
TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
nt_status = auth_system_server_info(mem_ctx,
&server_info);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(mem_ctx);
return nt_status;
}
/* references the server_info into the session_info */
nt_status = auth_generate_session_info(parent_ctx, server_info, &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;
}
cli_credentials_set_conf(session_info->credentials, global_loadparm);
if (anonymous_credentials) {
cli_credentials_set_anonymous(session_info->credentials);
} else {
cli_credentials_set_machine_account_pending(session_info->credentials);
}
*_session_info = session_info;
return NT_STATUS_OK;
}
/*
Create a system session, but with anonymous credentials (so we do not need to open secrets.ldb)
*/
_PUBLIC_ struct auth_session_info *system_session_anon(TALLOC_CTX *mem_ctx)
{
NTSTATUS nt_status;
struct auth_session_info *session_info = NULL;
nt_status = _auth_system_session_info(mem_ctx, false, &session_info);
if (!NT_STATUS_IS_OK(nt_status)) {
return NULL;
}
return session_info;
}
_PUBLIC_ NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
struct auth_session_info **_session_info)
{
return _auth_system_session_info(parent_ctx,
lp_parm_bool(global_loadparm, NULL, "system", "anonymous", false),
_session_info);
}
NTSTATUS auth_system_server_info(TALLOC_CTX *mem_ctx,
struct auth_serversupplied_info **_server_info)
{
struct auth_serversupplied_info *server_info;
server_info = talloc(mem_ctx, struct auth_serversupplied_info);
NT_STATUS_HAVE_NO_MEMORY(server_info);
server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_SYSTEM);
NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
/* is this correct? */
server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS);
NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
server_info->n_domain_groups = 0;
server_info->domain_groups = NULL;
/* annoying, but the Anonymous really does have a session key,
and it is all zeros! */
server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
data_blob_clear(&server_info->user_session_key);
data_blob_clear(&server_info->lm_session_key);
server_info->account_name = talloc_strdup(server_info, "SYSTEM");
NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
server_info->full_name = talloc_strdup(server_info, "System");
NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
server_info->logon_script = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
server_info->profile_path = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
server_info->home_directory = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
server_info->home_drive = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
server_info->logon_server = talloc_strdup(server_info, lp_netbios_name(global_loadparm));
NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
server_info->last_logon = 0;
server_info->last_logoff = 0;
server_info->acct_expiry = 0;
server_info->last_password_change = 0;
server_info->allow_password_change = 0;
server_info->force_password_change = 0;
server_info->logon_count = 0;
server_info->bad_password_count = 0;
server_info->acct_flags = ACB_NORMAL;
server_info->authenticated = true;
*_server_info = server_info;
return NT_STATUS_OK;
}
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