Generic authentication 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 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 "lib/util/string_wrappers.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
/**
- * Return a guest logon for guest users (username = "")
+ * Return a guest logon for anonymous 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)
+static NTSTATUS check_anonymous_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)
{
- /* mark this as 'not for me' */
- NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED;
+ DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
- if (!(user_info->internal_username
- && *user_info->internal_username)) {
- nt_status = make_server_info_guest(server_info);
+ if (user_info->mapped.account_name && *user_info->mapped.account_name) {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
}
- return nt_status;
+ switch (user_info->password_state) {
+ case AUTH_PASSWORD_PLAIN:
+ if (user_info->password.plaintext != NULL &&
+ strlen(user_info->password.plaintext) > 0)
+ {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ break;
+ case AUTH_PASSWORD_HASH:
+ if (user_info->password.hash.lanman != NULL) {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ if (user_info->password.hash.nt != NULL) {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ break;
+ case AUTH_PASSWORD_RESPONSE:
+ if (user_info->password.response.lanman.length == 1) {
+ if (user_info->password.response.lanman.data[0] != '\0') {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ } else if (user_info->password.response.lanman.length > 1) {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ if (user_info->password.response.nt.length > 0) {
+ /* mark this as 'not for me' */
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+ break;
+ }
+
+ return make_server_info_anonymous(NULL, server_info);
}
/* Guest modules initialisation */
-static NTSTATUS auth_init_guest(struct auth_context *auth_context, const char *options, auth_methods **auth_method)
+static NTSTATUS auth_init_anonymous(
+ struct auth_context *auth_context,
+ const char *options,
+ struct auth_methods **auth_method)
{
- if (!make_auth_methods(auth_context, auth_method))
+ struct auth_methods *result;
+
+ result = talloc_zero(auth_context, struct auth_methods);
+ if (result == NULL) {
return NT_STATUS_NO_MEMORY;
+ }
+ result->auth = check_anonymous_security;
+ result->name = "anonymous";
- (*auth_method)->auth = check_guest_security;
- (*auth_method)->name = "guest";
+ *auth_method = result;
return NT_STATUS_OK;
}
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)
+ const struct auth_usersupplied_info *user_info,
+ struct auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
fstring user;
long error_num;
- fstrcpy(user, user_info->smb_name);
-
+
+ DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
+
+ fstrcpy(user, user_info->client.account_name);
+
if (strnequal("NT_STATUS", user, strlen("NT_STATUS"))) {
- strupper_m(user);
+ if (!strupper_m(user)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
return nt_status_string_to_code(user);
}
- strlower_m(user);
+ if (!strlower_m(user)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
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 initialisation function */
-static 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 variable 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)
+static NTSTATUS auth_init_name_to_ntstatus(
+ struct auth_context *auth_context,
+ const char *param,
+ struct auth_methods **auth_method)
{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
+ struct auth_methods *result;
-/****************************************************************************
- 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 */
-
-static 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))
+ result = talloc_zero(auth_context, struct auth_methods);
+ if (result == NULL) {
return NT_STATUS_NO_MEMORY;
+ }
+ result->auth = check_name_to_ntstatus_security;
+ result->name = "name_to_ntstatus";
- (*auth_method)->auth = check_fixed_challenge_security;
- (*auth_method)->get_chal = auth_get_fixed_challenge;
- (*auth_method)->name = "fixed_challenge";
+ *auth_method = result;
return NT_STATUS_OK;
}
+
#endif /* DEVELOPER */
-NTSTATUS auth_builtin_init(void)
+NTSTATUS auth_builtin_init(TALLOC_CTX *mem_ctx)
{
- smb_register_auth(AUTH_INTERFACE_VERSION, "guest", auth_init_guest);
+ smb_register_auth(AUTH_INTERFACE_VERSION, "anonymous", auth_init_anonymous);
#ifdef DEVELOPER
- smb_register_auth(AUTH_INTERFACE_VERSION, "fixed_challenge", auth_init_fixed_challenge);
smb_register_auth(AUTH_INTERFACE_VERSION, "name_to_ntstatus", auth_init_name_to_ntstatus);
#endif
return NT_STATUS_OK;
git.samba.org / bbaumbach / samba-autobuild / .git / blobdiff