mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
ba237d9403
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
Password and authentication handling
|
|
Copyright (C) Andrew Bartlett 2001
|
|
|
|
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 "auth.h"
|
|
#include "system/passwd.h"
|
|
#include "../lib/tsocket/tsocket.h"
|
|
|
|
#undef DBGC_CLASS
|
|
#define DBGC_CLASS DBGC_AUTH
|
|
|
|
/** Check a plaintext username/password
|
|
*
|
|
* Cannot deal with an encrypted password in any manner whatsoever,
|
|
* unless the account has a null password.
|
|
**/
|
|
|
|
static NTSTATUS check_unix_security(const struct auth_context *auth_context,
|
|
void *my_private_data,
|
|
TALLOC_CTX *mem_ctx,
|
|
const struct auth_usersupplied_info *user_info,
|
|
struct auth_serversupplied_info **server_info)
|
|
{
|
|
NTSTATUS nt_status;
|
|
struct passwd *pass = NULL;
|
|
const char *rhost;
|
|
|
|
DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
|
|
|
|
if (tsocket_address_is_inet(user_info->remote_host, "ip")) {
|
|
rhost = tsocket_address_inet_addr_string(user_info->remote_host,
|
|
talloc_tos());
|
|
if (rhost == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
} else {
|
|
rhost = "127.0.0.1";
|
|
}
|
|
|
|
become_root();
|
|
pass = Get_Pwnam_alloc(talloc_tos(), user_info->mapped.account_name);
|
|
|
|
/** @todo This call assumes a ASCII password, no charset transformation is
|
|
done. We may need to revisit this **/
|
|
nt_status = pass_check(pass,
|
|
pass ? pass->pw_name : user_info->mapped.account_name,
|
|
rhost,
|
|
user_info->password.plaintext,
|
|
true);
|
|
|
|
unbecome_root();
|
|
|
|
if (NT_STATUS_IS_OK(nt_status)) {
|
|
if (pass != NULL) {
|
|
nt_status = make_server_info_pw(mem_ctx,
|
|
pass->pw_name,
|
|
pass,
|
|
server_info);
|
|
} else {
|
|
/* we need to do something more useful here */
|
|
nt_status = NT_STATUS_NO_SUCH_USER;
|
|
}
|
|
}
|
|
|
|
TALLOC_FREE(pass);
|
|
return nt_status;
|
|
}
|
|
|
|
/* module initialisation */
|
|
static NTSTATUS auth_init_unix(
|
|
struct auth_context *auth_context,
|
|
const char* param,
|
|
struct auth_methods **auth_method)
|
|
{
|
|
struct auth_methods *result;
|
|
|
|
result = talloc_zero(auth_context, struct auth_methods);
|
|
if (result == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
result->name = "unix";
|
|
result->auth = check_unix_security;
|
|
|
|
*auth_method = result;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS auth_unix_init(TALLOC_CTX *mem_ctx)
|
|
{
|
|
return smb_register_auth(AUTH_INTERFACE_VERSION, "unix", auth_init_unix);
|
|
}
|