Winbind authentication mechnism
Copyright (C) Tim Potter 2000
- Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Andrew Bartlett 2001 - 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
+ 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,
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
-/* Prototypes from common.h */
-
-NSS_STATUS winbindd_request(int req_type,
- struct winbindd_request *request,
- struct winbindd_response *response);
+static NTSTATUS get_info3_from_ndr(TALLOC_CTX *mem_ctx, struct winbindd_response *response, NET_USER_INFO_3 *info3)
+{
+ uint8 *info3_ndr;
+ size_t len = response->length - sizeof(struct winbindd_response);
+ prs_struct ps;
+ if (len > 0) {
+ info3_ndr = (uint8 *)response->extra_data.data;
+ if (!prs_init(&ps, len, mem_ctx, UNMARSHALL)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ prs_copy_data_in(&ps, (char *)info3_ndr, len);
+ prs_set_offset(&ps,0);
+ if (!net_io_user_info3("", info3, &ps, 1, 3, False)) {
+ DEBUG(2, ("get_info3_from_ndr: could not parse info3 struct!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ prs_mem_free(&ps);
+ return NT_STATUS_OK;
+ } else {
+ DEBUG(2, ("get_info3_from_ndr: No info3 struct found!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+}
/* Authenticate a user with a challenge/response */
struct winbindd_request request;
struct winbindd_response response;
NSS_STATUS result;
- struct passwd *pw;
NTSTATUS nt_status;
+ NET_USER_INFO_3 info3;
if (!user_info) {
- return NT_STATUS_UNSUCCESSFUL;
+ return NT_STATUS_INVALID_PARAMETER;
}
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;
+ user_info->internal_username));
+ return NT_STATUS_INVALID_PARAMETER;
}
+ if (strequal(user_info->domain, get_global_sam_name())) {
+ DEBUG(3,("check_winbind_security: Not using winbind, requested domain [%s] was for this SAM.\n",
+ user_info->domain));
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
+
/* 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);
+ request.flags = WBFLAG_PAM_INFO3_NDR;
+
+ request.data.auth_crap.logon_parameters = user_info->logon_parameters;
- fstrcpy(request.data.auth_crap.user, user_info->smb_name.str);
- fstrcpy(request.data.auth_crap.domain, user_info->domain.str);
+ fstrcpy(request.data.auth_crap.user, user_info->smb_name);
+ fstrcpy(request.data.auth_crap.domain, user_info->domain);
+ fstrcpy(request.data.auth_crap.workstation, user_info->wksta_name);
memcpy(request.data.auth_crap.chal, auth_context->challenge.data, sizeof(request.data.auth_crap.chal));
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;
+ memcpy(request.data.auth_crap.nt_resp, user_info->nt_resp.data,
+ request.data.auth_crap.nt_resp_len);
+
+ /* we are contacting the privileged pipe */
+ become_root();
+ result = winbindd_priv_request_response(WINBINDD_PAM_AUTH_CRAP,
+ &request, &response);
+ unbecome_root();
+
+ if ( result == NSS_STATUS_UNAVAIL ) {
+ struct auth_methods *auth_method =
+ (struct auth_methods *)my_private_data;
+
+ if ( auth_method )
+ return auth_method->auth(auth_context, auth_method->private_data,
+ mem_ctx, user_info, server_info);
+ else
+ /* log an error since this should not happen */
+ DEBUG(0,("check_winbind_security: ERROR! my_private_data == NULL!\n"));
+ }
+
+ nt_status = NT_STATUS(response.data.auth.nt_status);
+
+ if (result == NSS_STATUS_SUCCESS && response.extra_data.data) {
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (NT_STATUS_IS_OK(nt_status = get_info3_from_ndr(mem_ctx, &response, &info3))) {
+ nt_status = make_server_info_info3(mem_ctx,
+ user_info->smb_name, user_info->domain,
+ server_info, &info3);
+ }
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ (*server_info)->was_mapped |= user_info->was_mapped;
}
- } else {
- nt_status = NT_STATUS_NO_SUCH_USER;
}
- } else {
- nt_status = NT_STATUS_LOGON_FAILURE;
+ } else if (NT_STATUS_IS_OK(nt_status)) {
+ nt_status = NT_STATUS_NO_LOGON_SERVERS;
}
+ SAFE_FREE(response.extra_data.data);
return nt_status;
}
/* module initialisation */
-NTSTATUS auth_init_winbind(struct auth_context *auth_context, const char *param, auth_methods **auth_method)
+static NTSTATUS auth_init_winbind(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)->name = "winbind";
(*auth_method)->auth = check_winbind_security;
+
+ if (param && *param) {
+ /* we load the 'fallback' module - if winbind isn't here, call this
+ module */
+ auth_methods *priv;
+ if (!load_auth_module(auth_context, param, &priv)) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ (*auth_method)->private_data = (void *)priv;
+ }
return NT_STATUS_OK;
}
+
+NTSTATUS auth_winbind_init(void)
+{
+ return smb_register_auth(AUTH_INTERFACE_VERSION, "winbind", auth_init_winbind);
+}
git.samba.org / kai / samba.git / blobdiff