1 files changed, 111 insertions, 0 deletions
diff --git a/source3/auth/auth_winbind.c b/source3/auth/auth_winbind.c
new file mode 100644
index 0000000000..bc19b36b54
--- /dev/null
+++ b/source3/auth/auth_winbind.c
@@ -0,0 +1,111 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Winbind authentication mechnism
+
+   Copyright (C) Tim Potter 2000
+   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
+   (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"
+
+/* Prototypes from common.h */
+
+NSS_STATUS winbindd_request(int req_type, 
+			    struct winbindd_request *request,
+			    struct winbindd_response *response);
+
+
+/* Authenticate a user with a challenge/response */
+
+static NTSTATUS check_winbind_security(const struct auth_context *auth_context,
+				       void *my_private_data, 
+				       TALLOC_CTX *mem_ctx,
+				       const auth_usersupplied_info *user_info, 
+				       auth_serversupplied_info **server_info)
+{
+	struct winbindd_request request;
+	struct winbindd_response response;
+        NSS_STATUS result;
+        struct passwd *pw;
+	NTSTATUS nt_status;
+
+	if (!user_info) {
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	if (!auth_context) {
+		DEBUG(3,("Password for user %s cannot be checked because we have no auth_info to get the challenge from.\n", 
+			 user_info->internal_username.str));		
+		return NT_STATUS_UNSUCCESSFUL;
+	}		
+
+	/* Send off request */
+
+	ZERO_STRUCT(request);
+	ZERO_STRUCT(response);
+
+	snprintf(request.data.auth_crap.user, sizeof(request.data.auth_crap.user),
+		 "%s\\%s", user_info->domain.str, user_info->smb_name.str);
+
+	fstrcpy(request.data.auth_crap.user, user_info->smb_name.str);
+	fstrcpy(request.data.auth_crap.domain, user_info->domain.str);
+
+	memcpy(request.data.auth_crap.chal, auth_context->challenge.data, sizeof(request.data.auth_crap.chal));
+	
+	request.data.auth_crap.lm_resp_len = MIN(user_info->lm_resp.length, 
+						 sizeof(request.data.auth_crap.lm_resp));
+	request.data.auth_crap.nt_resp_len = MIN(user_info->nt_resp.length, 
+						 sizeof(request.data.auth_crap.nt_resp));
+	
+	memcpy(request.data.auth_crap.lm_resp, user_info->lm_resp.data, 
+	       sizeof(request.data.auth_crap.lm_resp_len));
+	memcpy(request.data.auth_crap.nt_resp, user_info->nt_resp.data, 
+	       request.data.auth_crap.lm_resp_len);
+	
+	result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+
+	if (result == NSS_STATUS_SUCCESS) {
+		
+		pw = Get_Pwnam(user_info->internal_username.str);
+		
+		if (pw) {			
+			if (make_server_info_pw(server_info, pw)) {
+				nt_status = NT_STATUS_OK;
+			} else {
+				nt_status = NT_STATUS_NO_MEMORY;
+			}
+		} else {
+			nt_status = NT_STATUS_NO_SUCH_USER;
+		}
+	} else {
+		nt_status = NT_STATUS_LOGON_FAILURE;
+	}
+
+        return nt_status;
+}
+
+/* module initialisation */
+BOOL auth_init_winbind(struct auth_context *auth_context, auth_methods **auth_method) 
+{
+	if (!make_auth_methods(auth_context, auth_method)) {
+		return False;
+	}
+
+	(*auth_method)->auth = check_winbind_security;
+	return True;
+}