/*
- Unix SMB/Netbios implementation.
- Version 2.2
+ 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 2 of the License, or
+ 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "../librpc/gen_ndr/samr.h"
-extern int DEBUGLEVEL;
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_AUTH
-/****************************************************************************
-update the encrypted smbpasswd file from the plaintext username and password
+/** Check a plaintext username/password
+ *
+ * Cannot deal with an encrupted password in any manner whatsoever,
+ * unless the account has a null password.
+ **/
-this ugly hack needs to die, but not quite yet...
-*****************************************************************************/
-static BOOL update_smbpassword_file(char *user, char *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)
{
- SAM_ACCOUNT *sampass = NULL;
- BOOL ret;
-
- pdb_init_sam(&sampass);
-
- become_root();
- ret = pdb_getsampwnam(sampass, user);
- unbecome_root();
-
- if(ret == False) {
- DEBUG(0,("pdb_getsampwnam returned NULL\n"));
- pdb_free_sam(sampass);
- return False;
- }
+ NTSTATUS nt_status;
+ struct passwd *pass = NULL;
+ const char *rhost;
+ char addr[INET6_ADDRSTRLEN];
- /*
- * Remove the account disabled flag - we are updating the
- * users password from a login.
- */
- pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED);
-
- /* Here, the flag is one, because we want to ignore the
- XXXXXXX'd out password */
- ret = change_oem_password( sampass, password, True);
- if (ret == False) {
- DEBUG(3,("change_oem_password returned False\n"));
- }
+ DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
- pdb_free_sam(sampass);
- return ret;
-}
+ become_root();
+ pass = Get_Pwnam_alloc(talloc_tos(), user_info->mapped.account_name);
+ rhost = client_name(smbd_server_fd());
+ if (strequal(rhost,"UNKNOWN"))
+ rhost = client_addr(smbd_server_fd(), addr, sizeof(addr));
-/****************************************************************************
-check if a username/password is OK assuming the password
-in PLAIN TEXT
-****************************************************************************/
+ /** @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);
-NTSTATUS check_unix_security(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info)
-{
- NTSTATUS nt_status;
-
- become_root();
- nt_status = (pass_check(user_info->unix_username.str,
- user_info->plaintext_password.str,
- user_info->plaintext_password.len,
- lp_update_encrypted() ?
- update_smbpassword_file : NULL)
- ? NT_STATUS_OK : NT_STATUS_LOGON_FAILURE);
unbecome_root();
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (pass) {
+ make_server_info_pw(server_info, pass->pw_name, pass);
+ } else {
+ /* we need to do somthing 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, auth_methods **auth_method)
+{
+ struct auth_methods *result;
+ result = TALLOC_ZERO_P(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(void)
+{
+ return smb_register_auth(AUTH_INTERFACE_VERSION, "unix", auth_init_unix);
+}
git.samba.org / samba.git / blobdiff