This commit was generated by cvs2svn to compensate for changes in r30,

which included commits to RCS files with non-trunk default branches.
(This used to be commit 3a69cffb062d4f1238b8cae10481c1f2ea4d3d8b)

1 files changed, 210 insertions, 0 deletions

diff --git a/source4/auth/auth_builtin.c b/source4/auth/auth_builtin.c
new file mode 100644
index 0000000000..32f39311dc
--- /dev/null
+++ b/source4/auth/auth_builtin.c
@@ -0,0 +1,210 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Generic authenticaion types
+   Copyright (C) Andrew Bartlett         2001-2002
+   Copyright (C) Jelmer Vernooij              2002
+   
+   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"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_AUTH
+
+/**
+ * Return a guest logon for guest users (username = "")
+ *
+ * Typically used as the first module in the auth chain, this allows
+ * guest logons to be dealt with in one place.  Non-guest logons 'fail'
+ * and pass onto the next module.
+ **/
+
+static NTSTATUS check_guest_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)
+{
+	NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
+
+	if (!(user_info->internal_username.str 
+	      && *user_info->internal_username.str)) {
+		nt_status = make_server_info_guest(server_info);
+	}
+
+	return nt_status;
+}
+
+/* Guest modules initialisation */
+
+NTSTATUS auth_init_guest(struct auth_context *auth_context, const char *options, auth_methods **auth_method) 
+{
+	if (!make_auth_methods(auth_context, auth_method))
+		return NT_STATUS_NO_MEMORY;
+
+	(*auth_method)->auth = check_guest_security;
+	(*auth_method)->name = "guest";
+	return NT_STATUS_OK;
+}
+
+/** 
+ * Return an error based on username
+ *
+ * This function allows the testing of obsure errors, as well as the generation
+ * of NT_STATUS -> DOS error mapping tables.
+ *
+ * This module is of no value to end-users.
+ *
+ * The password is ignored.
+ *
+ * @return An NTSTATUS value based on the username
+ **/
+
+static NTSTATUS check_name_to_ntstatus_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)
+{
+	NTSTATUS nt_status;
+	fstring user;
+	long error_num;
+	fstrcpy(user, user_info->smb_name.str);
+	
+	if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
+		strupper(user);
+		return nt_status_string_to_code(user);
+	}
+
+	strlower(user);
+	error_num = strtoul(user, NULL, 16);
+	
+	DEBUG(5,("check_name_to_ntstatus_security: Error for user %s was %lx\n", user, error_num));
+
+	nt_status = NT_STATUS(error_num);
+	
+	return nt_status;
+}
+
+/** Module initailisation function */
+
+NTSTATUS auth_init_name_to_ntstatus(struct auth_context *auth_context, const char *param, auth_methods **auth_method) 
+{
+	if (!make_auth_methods(auth_context, auth_method))
+		return NT_STATUS_NO_MEMORY;
+
+	(*auth_method)->auth = check_name_to_ntstatus_security;
+	(*auth_method)->name = "name_to_ntstatus";
+	return NT_STATUS_OK;
+}
+
+/** 
+ * Return a 'fixed' challenge instead of a varaible one.
+ *
+ * The idea of this function is to make packet snifs consistant
+ * with a fixed challenge, so as to aid debugging.
+ *
+ * This module is of no value to end-users.
+ *
+ * This module does not actually authenticate the user, but
+ * just pretenteds to need a specified challenge.  
+ * This module removes *all* security from the challenge-response system
+ *
+ * @return NT_STATUS_UNSUCCESSFUL
+ **/
+
+static NTSTATUS check_fixed_challenge_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)
+{
+	return NT_STATUS_UNSUCCESSFUL;
+}
+
+/****************************************************************************
+ Get the challenge out of a password server.
+****************************************************************************/
+
+static DATA_BLOB auth_get_fixed_challenge(const struct auth_context *auth_context,
+					  void **my_private_data, 
+					  TALLOC_CTX *mem_ctx)
+{
+	const char *challenge = "I am a teapot";   
+	return data_blob(challenge, 8);
+}
+
+
+/** Module initailisation function */
+
+NTSTATUS auth_init_fixed_challenge(struct auth_context *auth_context, const char *param, auth_methods **auth_method) 
+{
+	if (!make_auth_methods(auth_context, auth_method))
+		return NT_STATUS_NO_MEMORY;
+
+	(*auth_method)->auth = check_fixed_challenge_security;
+	(*auth_method)->get_chal = auth_get_fixed_challenge;
+	(*auth_method)->name = "fixed_challenge";
+	return NT_STATUS_OK;
+}
+
+/**
+ * Outsorce an auth module to an external loadable .so
+ *
+ * Only works on systems with dlopen() etc.
+ **/
+
+/* Plugin modules initialisation */
+
+NTSTATUS auth_init_plugin(struct auth_context *auth_context, const char *param, auth_methods **auth_method) 
+{
+	void * dl_handle;
+	char *plugin_param, *plugin_name, *p;
+	auth_init_function plugin_init;
+
+	if (param == NULL) {
+		DEBUG(0, ("auth_init_plugin: The plugin module needs an argument!\n"));
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	plugin_name = smb_xstrdup(param);
+	p = strchr(plugin_name, ':');
+	if (p) {
+		*p = 0;
+		plugin_param = p+1;
+		trim_string(plugin_param, " ", " ");
+	} else plugin_param = NULL;
+
+	trim_string(plugin_name, " ", " ");
+
+	DEBUG(5, ("auth_init_plugin: Trying to load auth plugin %s\n", plugin_name));
+	dl_handle = sys_dlopen(plugin_name, RTLD_NOW );
+	if (!dl_handle) {
+		DEBUG(0, ("auth_init_plugin: Failed to load auth plugin %s using sys_dlopen (%s)\n",
+					plugin_name, sys_dlerror()));
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+    
+	plugin_init = sys_dlsym(dl_handle, "auth_init");
+	if (!plugin_init){
+		DEBUG(0, ("Failed to find function 'auth_init' using sys_dlsym in sam plugin %s (%s)\n",
+					plugin_name, sys_dlerror()));	    
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	DEBUG(5, ("Starting sam plugin %s with paramater %s\n", plugin_name, plugin_param?plugin_param:"(null)"));
+	return plugin_init(auth_context, plugin_param, auth_method);
+}