mirror of
https://github.com/samba-team/samba.git
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25fe484101
leak memory by using the wrong(long lived) mem context
(This used to be commit a28cdd6e74
)
1050 lines
26 KiB
C
1050 lines
26 KiB
C
/*
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Unix SMB/CIFS implementation.
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Winbind daemon for ntdom nss module
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Copyright (C) Tim Potter 2000-2001
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Copyright (C) 2001 by Martin Pool <mbp@samba.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "winbindd.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_WINBIND
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extern struct winbindd_methods cache_methods;
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extern struct winbindd_methods passdb_methods;
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/**
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* @file winbindd_util.c
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*
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* Winbind daemon for NT domain authentication nss module.
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**/
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/**
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* Used to clobber name fields that have an undefined value.
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*
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* Correct code should never look at a field that has this value.
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**/
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static const fstring name_deadbeef = "<deadbeef>";
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/* The list of trusted domains. Note that the list can be deleted and
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recreated using the init_domain_list() function so pointers to
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individual winbindd_domain structures cannot be made. Keep a copy of
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the domain name instead. */
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static struct winbindd_domain *_domain_list;
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/**
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When was the last scan of trusted domains done?
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0 == not ever
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*/
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static time_t last_trustdom_scan;
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struct winbindd_domain *domain_list(void)
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{
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/* Initialise list */
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if ((!_domain_list) && (!init_domain_list())) {
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smb_panic("Init_domain_list failed\n");
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}
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return _domain_list;
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}
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/* Free all entries in the trusted domain list */
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void free_domain_list(void)
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{
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struct winbindd_domain *domain = _domain_list;
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while(domain) {
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struct winbindd_domain *next = domain->next;
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DLIST_REMOVE(_domain_list, domain);
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SAFE_FREE(domain);
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domain = next;
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}
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}
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static BOOL is_internal_domain(const DOM_SID *sid)
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{
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if (sid == NULL)
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return False;
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return (sid_check_is_domain(sid) || sid_check_is_builtin(sid));
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}
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static BOOL is_in_internal_domain(const DOM_SID *sid)
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{
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if (sid == NULL)
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return False;
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return (sid_check_is_in_our_domain(sid) || sid_check_is_in_builtin(sid));
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}
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/* Add a trusted domain to our list of domains */
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static struct winbindd_domain *add_trusted_domain(const char *domain_name, const char *alt_name,
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struct winbindd_methods *methods,
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const DOM_SID *sid)
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{
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struct winbindd_domain *domain;
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const char *alternative_name = NULL;
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/* ignore alt_name if we are not in an AD domain */
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if ( (lp_security() == SEC_ADS) && alt_name && *alt_name) {
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alternative_name = alt_name;
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}
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/* We can't call domain_list() as this function is called from
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init_domain_list() and we'll get stuck in a loop. */
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for (domain = _domain_list; domain; domain = domain->next) {
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if (strequal(domain_name, domain->name) ||
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strequal(domain_name, domain->alt_name)) {
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return domain;
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}
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if (alternative_name && *alternative_name) {
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if (strequal(alternative_name, domain->name) ||
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strequal(alternative_name, domain->alt_name)) {
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return domain;
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}
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}
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if (sid) {
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if (is_null_sid(sid)) {
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} else if (sid_equal(sid, &domain->sid)) {
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return domain;
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}
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}
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}
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/* Create new domain entry */
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if ((domain = SMB_MALLOC_P(struct winbindd_domain)) == NULL)
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return NULL;
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/* Fill in fields */
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ZERO_STRUCTP(domain);
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/* prioritise the short name */
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if (strchr_m(domain_name, '.') && alternative_name && *alternative_name) {
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fstrcpy(domain->name, alternative_name);
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fstrcpy(domain->alt_name, domain_name);
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} else {
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fstrcpy(domain->name, domain_name);
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if (alternative_name) {
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fstrcpy(domain->alt_name, alternative_name);
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}
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}
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domain->methods = methods;
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domain->backend = NULL;
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domain->internal = is_internal_domain(sid);
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domain->sequence_number = DOM_SEQUENCE_NONE;
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domain->last_seq_check = 0;
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domain->initialized = False;
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domain->online = is_internal_domain(sid);
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domain->check_online_timeout = 0;
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if (sid) {
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sid_copy(&domain->sid, sid);
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}
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/* Link to domain list */
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DLIST_ADD(_domain_list, domain);
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DEBUG(2,("Added domain %s %s %s\n",
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domain->name, domain->alt_name,
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&domain->sid?sid_string_static(&domain->sid):""));
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return domain;
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}
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/********************************************************************
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rescan our domains looking for new trusted domains
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********************************************************************/
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struct trustdom_state {
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TALLOC_CTX *mem_ctx;
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struct winbindd_response *response;
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};
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static void trustdom_recv(void *private_data, BOOL success);
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static void add_trusted_domains( struct winbindd_domain *domain )
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{
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TALLOC_CTX *mem_ctx;
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struct winbindd_request *request;
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struct winbindd_response *response;
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struct trustdom_state *state;
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mem_ctx = talloc_init("add_trusted_domains");
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if (mem_ctx == NULL) {
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DEBUG(0, ("talloc_init failed\n"));
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return;
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}
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request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
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response = TALLOC_P(mem_ctx, struct winbindd_response);
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state = TALLOC_P(mem_ctx, struct trustdom_state);
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if ((request == NULL) || (response == NULL) || (state == NULL)) {
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DEBUG(0, ("talloc failed\n"));
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talloc_destroy(mem_ctx);
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return;
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}
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state->mem_ctx = mem_ctx;
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state->response = response;
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request->length = sizeof(*request);
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request->cmd = WINBINDD_LIST_TRUSTDOM;
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async_domain_request(mem_ctx, domain, request, response,
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trustdom_recv, state);
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}
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static void trustdom_recv(void *private_data, BOOL success)
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{
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struct trustdom_state *state =
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talloc_get_type_abort(private_data, struct trustdom_state);
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struct winbindd_response *response = state->response;
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char *p;
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if ((!success) || (response->result != WINBINDD_OK)) {
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DEBUG(1, ("Could not receive trustdoms\n"));
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talloc_destroy(state->mem_ctx);
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return;
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}
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p = (char *)response->extra_data.data;
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while ((p != NULL) && (*p != '\0')) {
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char *q, *sidstr, *alt_name;
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DOM_SID sid;
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alt_name = strchr(p, '\\');
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if (alt_name == NULL) {
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DEBUG(0, ("Got invalid trustdom response\n"));
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break;
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}
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*alt_name = '\0';
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alt_name += 1;
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sidstr = strchr(alt_name, '\\');
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if (sidstr == NULL) {
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DEBUG(0, ("Got invalid trustdom response\n"));
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break;
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}
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*sidstr = '\0';
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sidstr += 1;
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q = strchr(sidstr, '\n');
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if (q != NULL)
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*q = '\0';
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if (!string_to_sid(&sid, sidstr)) {
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DEBUG(0, ("Got invalid trustdom response\n"));
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break;
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}
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if (find_domain_from_name_noinit(p) == NULL) {
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struct winbindd_domain *domain;
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char *alternate_name = NULL;
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/* use the real alt_name if we have one, else pass in NULL */
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if ( !strequal( alt_name, "(null)" ) )
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alternate_name = alt_name;
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domain = add_trusted_domain(p, alternate_name,
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&cache_methods,
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&sid);
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setup_domain_child(domain, &domain->child, NULL);
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}
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p=q;
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if (p != NULL)
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p += 1;
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}
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SAFE_FREE(response->extra_data.data);
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talloc_destroy(state->mem_ctx);
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}
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/********************************************************************
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Periodically we need to refresh the trusted domain cache for smbd
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********************************************************************/
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void rescan_trusted_domains( void )
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{
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time_t now = time(NULL);
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/* see if the time has come... */
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if ((now >= last_trustdom_scan) &&
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((now-last_trustdom_scan) < WINBINDD_RESCAN_FREQ) )
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return;
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/* this will only add new domains we didn't already know about */
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add_trusted_domains( find_our_domain() );
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last_trustdom_scan = now;
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return;
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}
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struct init_child_state {
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TALLOC_CTX *mem_ctx;
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struct winbindd_domain *domain;
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struct winbindd_request *request;
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struct winbindd_response *response;
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void (*continuation)(void *private_data, BOOL success);
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void *private_data;
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};
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static void init_child_recv(void *private_data, BOOL success);
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static void init_child_getdc_recv(void *private_data, BOOL success);
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enum winbindd_result init_child_connection(struct winbindd_domain *domain,
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void (*continuation)(void *private_data,
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BOOL success),
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void *private_data)
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{
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TALLOC_CTX *mem_ctx;
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struct winbindd_request *request;
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struct winbindd_response *response;
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struct init_child_state *state;
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struct winbindd_domain *request_domain;
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mem_ctx = talloc_init("init_child_connection");
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if (mem_ctx == NULL) {
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DEBUG(0, ("talloc_init failed\n"));
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return WINBINDD_ERROR;
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}
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request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
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response = TALLOC_P(mem_ctx, struct winbindd_response);
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state = TALLOC_P(mem_ctx, struct init_child_state);
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if ((request == NULL) || (response == NULL) || (state == NULL)) {
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DEBUG(0, ("talloc failed\n"));
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TALLOC_FREE(mem_ctx);
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continuation(private_data, False);
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return WINBINDD_ERROR;
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}
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request->length = sizeof(*request);
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state->mem_ctx = mem_ctx;
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state->domain = domain;
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state->request = request;
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state->response = response;
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state->continuation = continuation;
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state->private_data = private_data;
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if (IS_DC || domain->primary) {
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/* The primary domain has to find the DC name itself */
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request->cmd = WINBINDD_INIT_CONNECTION;
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fstrcpy(request->domain_name, domain->name);
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request->data.init_conn.is_primary = True;
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fstrcpy(request->data.init_conn.dcname, "");
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async_request(mem_ctx, &domain->child, request, response,
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init_child_recv, state);
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return WINBINDD_PENDING;
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}
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/* This is *not* the primary domain, let's ask our DC about a DC
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* name */
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request->cmd = WINBINDD_GETDCNAME;
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fstrcpy(request->domain_name, domain->name);
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/* save online flag */
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request_domain = find_our_domain();
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request_domain->online = domain->online;
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async_domain_request(mem_ctx, request_domain, request, response,
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init_child_getdc_recv, state);
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return WINBINDD_PENDING;
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}
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static void init_child_getdc_recv(void *private_data, BOOL success)
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{
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struct init_child_state *state =
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talloc_get_type_abort(private_data, struct init_child_state);
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const char *dcname = "";
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DEBUG(10, ("Received getdcname response\n"));
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if (success && (state->response->result == WINBINDD_OK)) {
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dcname = state->response->data.dc_name;
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}
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state->request->cmd = WINBINDD_INIT_CONNECTION;
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fstrcpy(state->request->domain_name, state->domain->name);
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state->request->data.init_conn.is_primary = False;
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fstrcpy(state->request->data.init_conn.dcname, dcname);
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async_request(state->mem_ctx, &state->domain->child,
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state->request, state->response,
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init_child_recv, state);
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}
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static void init_child_recv(void *private_data, BOOL success)
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{
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struct init_child_state *state =
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talloc_get_type_abort(private_data, struct init_child_state);
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DEBUG(5, ("Received child initialization response for domain %s\n",
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state->domain->name));
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if ((!success) || (state->response->result != WINBINDD_OK)) {
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DEBUG(3, ("Could not init child\n"));
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state->continuation(state->private_data, False);
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talloc_destroy(state->mem_ctx);
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return;
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}
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fstrcpy(state->domain->name,
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state->response->data.domain_info.name);
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fstrcpy(state->domain->alt_name,
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state->response->data.domain_info.alt_name);
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string_to_sid(&state->domain->sid,
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state->response->data.domain_info.sid);
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state->domain->native_mode =
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state->response->data.domain_info.native_mode;
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state->domain->active_directory =
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state->response->data.domain_info.active_directory;
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state->domain->sequence_number =
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state->response->data.domain_info.sequence_number;
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state->domain->initialized = 1;
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if (state->continuation != NULL)
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state->continuation(state->private_data, True);
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talloc_destroy(state->mem_ctx);
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}
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enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domain,
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struct winbindd_cli_state *state)
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{
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/* Ensure null termination */
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state->request.domain_name
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[sizeof(state->request.domain_name)-1]='\0';
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state->request.data.init_conn.dcname
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[sizeof(state->request.data.init_conn.dcname)-1]='\0';
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if (strlen(state->request.data.init_conn.dcname) > 0) {
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fstrcpy(domain->dcname, state->request.data.init_conn.dcname);
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}
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init_dc_connection(domain);
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if (!domain->initialized) {
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/* If we return error here we can't do any cached authentication,
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but we may be in disconnected mode and can't initialize correctly.
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Do what the previous code did and just return without initialization,
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once we go online we'll re-initialize.
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*/
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DEBUG(5, ("winbindd_dual_init_connection: %s returning without initialization "
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"online = %d\n", domain->name, (int)domain->online ));
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}
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fstrcpy(state->response.data.domain_info.name, domain->name);
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fstrcpy(state->response.data.domain_info.alt_name, domain->alt_name);
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fstrcpy(state->response.data.domain_info.sid,
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sid_string_static(&domain->sid));
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state->response.data.domain_info.native_mode
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= domain->native_mode;
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state->response.data.domain_info.active_directory
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= domain->active_directory;
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state->response.data.domain_info.primary
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= domain->primary;
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state->response.data.domain_info.sequence_number =
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domain->sequence_number;
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return WINBINDD_OK;
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}
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/* Look up global info for the winbind daemon */
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BOOL init_domain_list(void)
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{
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struct winbindd_domain *domain;
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int role = lp_server_role();
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/* Free existing list */
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free_domain_list();
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/* Add ourselves as the first entry. */
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if ( role == ROLE_DOMAIN_MEMBER ) {
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DOM_SID our_sid;
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if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
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DEBUG(0, ("Could not fetch our SID - did we join?\n"));
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return False;
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}
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domain = add_trusted_domain( lp_workgroup(), lp_realm(),
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&cache_methods, &our_sid);
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domain->primary = True;
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setup_domain_child(domain, &domain->child, NULL);
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}
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/* Local SAM */
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domain = add_trusted_domain(get_global_sam_name(), NULL,
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&passdb_methods, get_global_sam_sid());
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if ( role != ROLE_DOMAIN_MEMBER ) {
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domain->primary = True;
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}
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setup_domain_child(domain, &domain->child, NULL);
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/* BUILTIN domain */
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domain = add_trusted_domain("BUILTIN", NULL, &passdb_methods,
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&global_sid_Builtin);
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setup_domain_child(domain, &domain->child, NULL);
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return True;
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}
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/**
|
|
* Given a domain name, return the struct winbindd domain info for it
|
|
*
|
|
* @note Do *not* pass lp_workgroup() to this function. domain_list
|
|
* may modify it's value, and free that pointer. Instead, our local
|
|
* domain may be found by calling find_our_domain().
|
|
* directly.
|
|
*
|
|
*
|
|
* @return The domain structure for the named domain, if it is working.
|
|
*/
|
|
|
|
struct winbindd_domain *find_domain_from_name_noinit(const char *domain_name)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
/* Search through list */
|
|
|
|
for (domain = domain_list(); domain != NULL; domain = domain->next) {
|
|
if (strequal(domain_name, domain->name) ||
|
|
(domain->alt_name[0] &&
|
|
strequal(domain_name, domain->alt_name))) {
|
|
return domain;
|
|
}
|
|
}
|
|
|
|
/* Not found */
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct winbindd_domain *find_domain_from_name(const char *domain_name)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
domain = find_domain_from_name_noinit(domain_name);
|
|
|
|
if (domain == NULL)
|
|
return NULL;
|
|
|
|
if (!domain->initialized)
|
|
init_dc_connection(domain);
|
|
|
|
return domain;
|
|
}
|
|
|
|
/* Given a domain sid, return the struct winbindd domain info for it */
|
|
|
|
struct winbindd_domain *find_domain_from_sid_noinit(const DOM_SID *sid)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
/* Search through list */
|
|
|
|
for (domain = domain_list(); domain != NULL; domain = domain->next) {
|
|
if (sid_compare_domain(sid, &domain->sid) == 0)
|
|
return domain;
|
|
}
|
|
|
|
/* Not found */
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Given a domain sid, return the struct winbindd domain info for it */
|
|
|
|
struct winbindd_domain *find_domain_from_sid(const DOM_SID *sid)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
domain = find_domain_from_sid_noinit(sid);
|
|
|
|
if (domain == NULL)
|
|
return NULL;
|
|
|
|
if (!domain->initialized)
|
|
init_dc_connection(domain);
|
|
|
|
return domain;
|
|
}
|
|
|
|
struct winbindd_domain *find_our_domain(void)
|
|
{
|
|
struct winbindd_domain *domain;
|
|
|
|
/* Search through list */
|
|
|
|
for (domain = domain_list(); domain != NULL; domain = domain->next) {
|
|
if (domain->primary)
|
|
return domain;
|
|
}
|
|
|
|
smb_panic("Could not find our domain\n");
|
|
return NULL;
|
|
}
|
|
|
|
struct winbindd_domain *find_builtin_domain(void)
|
|
{
|
|
DOM_SID sid;
|
|
struct winbindd_domain *domain;
|
|
|
|
string_to_sid(&sid, "S-1-5-32");
|
|
domain = find_domain_from_sid(&sid);
|
|
|
|
if (domain == NULL)
|
|
smb_panic("Could not find BUILTIN domain\n");
|
|
|
|
return domain;
|
|
}
|
|
|
|
/* Find the appropriate domain to lookup a name or SID */
|
|
|
|
struct winbindd_domain *find_lookup_domain_from_sid(const DOM_SID *sid)
|
|
{
|
|
/* A DC can't ask the local smbd for remote SIDs, here winbindd is the
|
|
* one to contact the external DC's. On member servers the internal
|
|
* domains are different: These are part of the local SAM. */
|
|
|
|
DEBUG(10, ("find_lookup_domain_from_sid(%s)\n",
|
|
sid_string_static(sid)));
|
|
|
|
if (IS_DC || is_internal_domain(sid) || is_in_internal_domain(sid)) {
|
|
DEBUG(10, ("calling find_domain_from_sid\n"));
|
|
return find_domain_from_sid(sid);
|
|
}
|
|
|
|
/* On a member server a query for SID or name can always go to our
|
|
* primary DC. */
|
|
|
|
DEBUG(10, ("calling find_our_domain\n"));
|
|
return find_our_domain();
|
|
}
|
|
|
|
struct winbindd_domain *find_lookup_domain_from_name(const char *domain_name)
|
|
{
|
|
if (IS_DC || strequal(domain_name, "BUILTIN") ||
|
|
strequal(domain_name, get_global_sam_name()))
|
|
return find_domain_from_name_noinit(domain_name);
|
|
|
|
return find_our_domain();
|
|
}
|
|
|
|
/* Lookup a sid in a domain from a name */
|
|
|
|
BOOL winbindd_lookup_sid_by_name(TALLOC_CTX *mem_ctx,
|
|
struct winbindd_domain *domain,
|
|
const char *domain_name,
|
|
const char *name, DOM_SID *sid,
|
|
enum lsa_SidType *type)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
/* Lookup name */
|
|
result = domain->methods->name_to_sid(domain, mem_ctx, domain_name, name, sid, type);
|
|
|
|
/* Return rid and type if lookup successful */
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
*type = SID_NAME_UNKNOWN;
|
|
}
|
|
|
|
return NT_STATUS_IS_OK(result);
|
|
}
|
|
|
|
/**
|
|
* @brief Lookup a name in a domain from a sid.
|
|
*
|
|
* @param sid Security ID you want to look up.
|
|
* @param name On success, set to the name corresponding to @p sid.
|
|
* @param dom_name On success, set to the 'domain name' corresponding to @p sid.
|
|
* @param type On success, contains the type of name: alias, group or
|
|
* user.
|
|
* @retval True if the name exists, in which case @p name and @p type
|
|
* are set, otherwise False.
|
|
**/
|
|
BOOL winbindd_lookup_name_by_sid(TALLOC_CTX *mem_ctx,
|
|
DOM_SID *sid,
|
|
char **dom_name,
|
|
char **name,
|
|
enum lsa_SidType *type)
|
|
{
|
|
NTSTATUS result;
|
|
struct winbindd_domain *domain;
|
|
|
|
*dom_name = NULL;
|
|
*name = NULL;
|
|
|
|
domain = find_lookup_domain_from_sid(sid);
|
|
|
|
if (!domain) {
|
|
DEBUG(1,("Can't find domain from sid\n"));
|
|
return False;
|
|
}
|
|
|
|
/* Lookup name */
|
|
|
|
result = domain->methods->sid_to_name(domain, mem_ctx, sid, dom_name, name, type);
|
|
|
|
/* Return name and type if successful */
|
|
|
|
if (NT_STATUS_IS_OK(result)) {
|
|
return True;
|
|
}
|
|
|
|
*type = SID_NAME_UNKNOWN;
|
|
|
|
return False;
|
|
}
|
|
|
|
/* Free state information held for {set,get,end}{pw,gr}ent() functions */
|
|
|
|
void free_getent_state(struct getent_state *state)
|
|
{
|
|
struct getent_state *temp;
|
|
|
|
/* Iterate over state list */
|
|
|
|
temp = state;
|
|
|
|
while(temp != NULL) {
|
|
struct getent_state *next;
|
|
|
|
/* Free sam entries then list entry */
|
|
|
|
SAFE_FREE(state->sam_entries);
|
|
DLIST_REMOVE(state, state);
|
|
next = temp->next;
|
|
|
|
SAFE_FREE(temp);
|
|
temp = next;
|
|
}
|
|
}
|
|
|
|
/* Is this a domain which we may assume no DOMAIN\ prefix? */
|
|
|
|
static BOOL assume_domain(const char *domain)
|
|
{
|
|
/* never assume the domain on a standalone server */
|
|
|
|
if ( lp_server_role() == ROLE_STANDALONE )
|
|
return False;
|
|
|
|
/* domain member servers may possibly assume for the domain name */
|
|
|
|
if ( lp_server_role() == ROLE_DOMAIN_MEMBER ) {
|
|
if ( !strequal(lp_workgroup(), domain) )
|
|
return False;
|
|
|
|
if ( lp_winbind_use_default_domain() || lp_winbind_trusted_domains_only() )
|
|
return True;
|
|
}
|
|
|
|
/* only left with a domain controller */
|
|
|
|
if ( strequal(get_global_sam_name(), domain) ) {
|
|
return True;
|
|
}
|
|
|
|
return False;
|
|
}
|
|
|
|
/* Parse a string of the form DOMAIN\user into a domain and a user */
|
|
|
|
BOOL parse_domain_user(const char *domuser, fstring domain, fstring user)
|
|
{
|
|
char *p = strchr(domuser,*lp_winbind_separator());
|
|
|
|
if ( !p ) {
|
|
fstrcpy(user, domuser);
|
|
|
|
if ( assume_domain(lp_workgroup())) {
|
|
fstrcpy(domain, lp_workgroup());
|
|
} else {
|
|
return False;
|
|
}
|
|
} else {
|
|
fstrcpy(user, p+1);
|
|
fstrcpy(domain, domuser);
|
|
domain[PTR_DIFF(p, domuser)] = 0;
|
|
}
|
|
|
|
strupper_m(domain);
|
|
|
|
return True;
|
|
}
|
|
|
|
BOOL parse_domain_user_talloc(TALLOC_CTX *mem_ctx, const char *domuser,
|
|
char **domain, char **user)
|
|
{
|
|
fstring fstr_domain, fstr_user;
|
|
if (!parse_domain_user(domuser, fstr_domain, fstr_user)) {
|
|
return False;
|
|
}
|
|
*domain = talloc_strdup(mem_ctx, fstr_domain);
|
|
*user = talloc_strdup(mem_ctx, fstr_user);
|
|
return ((*domain != NULL) && (*user != NULL));
|
|
}
|
|
|
|
/* Ensure an incoming username from NSS is fully qualified. Replace the
|
|
incoming fstring with DOMAIN <separator> user. Returns the same
|
|
values as parse_domain_user() but also replaces the incoming username.
|
|
Used to ensure all names are fully qualified within winbindd.
|
|
Used by the NSS protocols of auth, chauthtok, logoff and ccache_ntlm_auth.
|
|
The protocol definitions of auth_crap, chng_pswd_auth_crap
|
|
really should be changed to use this instead of doing things
|
|
by hand. JRA. */
|
|
|
|
BOOL canonicalize_username(fstring username_inout, fstring domain, fstring user)
|
|
{
|
|
if (!parse_domain_user(username_inout, domain, user)) {
|
|
return False;
|
|
}
|
|
slprintf(username_inout, sizeof(fstring) - 1, "%s%c%s",
|
|
domain, *lp_winbind_separator(),
|
|
user);
|
|
return True;
|
|
}
|
|
|
|
/*
|
|
Fill DOMAIN\\USERNAME entry accounting 'winbind use default domain' and
|
|
'winbind separator' options.
|
|
This means:
|
|
- omit DOMAIN when 'winbind use default domain = true' and DOMAIN is
|
|
lp_workgroup()
|
|
|
|
If we are a PDC or BDC, and this is for our domain, do likewise.
|
|
|
|
Also, if omit DOMAIN if 'winbind trusted domains only = true', as the
|
|
username is then unqualified in unix
|
|
|
|
We always canonicalize as UPPERCASE DOMAIN, lowercase username.
|
|
*/
|
|
void fill_domain_username(fstring name, const char *domain, const char *user, BOOL can_assume)
|
|
{
|
|
fstring tmp_user;
|
|
|
|
fstrcpy(tmp_user, user);
|
|
strlower_m(tmp_user);
|
|
|
|
if (can_assume && assume_domain(domain)) {
|
|
strlcpy(name, tmp_user, sizeof(fstring));
|
|
} else {
|
|
slprintf(name, sizeof(fstring) - 1, "%s%c%s",
|
|
domain, *lp_winbind_separator(),
|
|
tmp_user);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Winbindd socket accessor functions
|
|
*/
|
|
|
|
char *get_winbind_priv_pipe_dir(void)
|
|
{
|
|
return lock_path(WINBINDD_PRIV_SOCKET_SUBDIR);
|
|
}
|
|
|
|
/* Open the winbindd socket */
|
|
|
|
static int _winbindd_socket = -1;
|
|
static int _winbindd_priv_socket = -1;
|
|
|
|
int open_winbindd_socket(void)
|
|
{
|
|
if (_winbindd_socket == -1) {
|
|
_winbindd_socket = create_pipe_sock(
|
|
WINBINDD_SOCKET_DIR, WINBINDD_SOCKET_NAME, 0755);
|
|
DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
|
|
_winbindd_socket));
|
|
}
|
|
|
|
return _winbindd_socket;
|
|
}
|
|
|
|
int open_winbindd_priv_socket(void)
|
|
{
|
|
if (_winbindd_priv_socket == -1) {
|
|
_winbindd_priv_socket = create_pipe_sock(
|
|
get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME, 0750);
|
|
DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
|
|
_winbindd_priv_socket));
|
|
}
|
|
|
|
return _winbindd_priv_socket;
|
|
}
|
|
|
|
/* Close the winbindd socket */
|
|
|
|
void close_winbindd_socket(void)
|
|
{
|
|
if (_winbindd_socket != -1) {
|
|
DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
|
|
_winbindd_socket));
|
|
close(_winbindd_socket);
|
|
_winbindd_socket = -1;
|
|
}
|
|
if (_winbindd_priv_socket != -1) {
|
|
DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
|
|
_winbindd_priv_socket));
|
|
close(_winbindd_priv_socket);
|
|
_winbindd_priv_socket = -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Client list accessor functions
|
|
*/
|
|
|
|
static struct winbindd_cli_state *_client_list;
|
|
static int _num_clients;
|
|
|
|
/* Return list of all connected clients */
|
|
|
|
struct winbindd_cli_state *winbindd_client_list(void)
|
|
{
|
|
return _client_list;
|
|
}
|
|
|
|
/* Add a connection to the list */
|
|
|
|
void winbindd_add_client(struct winbindd_cli_state *cli)
|
|
{
|
|
DLIST_ADD(_client_list, cli);
|
|
_num_clients++;
|
|
}
|
|
|
|
/* Remove a client from the list */
|
|
|
|
void winbindd_remove_client(struct winbindd_cli_state *cli)
|
|
{
|
|
DLIST_REMOVE(_client_list, cli);
|
|
_num_clients--;
|
|
}
|
|
|
|
/* Close all open clients */
|
|
|
|
void winbindd_kill_all_clients(void)
|
|
{
|
|
struct winbindd_cli_state *cl = winbindd_client_list();
|
|
|
|
DEBUG(10, ("winbindd_kill_all_clients: going postal\n"));
|
|
|
|
while (cl) {
|
|
struct winbindd_cli_state *next;
|
|
|
|
next = cl->next;
|
|
winbindd_remove_client(cl);
|
|
cl = next;
|
|
}
|
|
}
|
|
|
|
/* Return number of open clients */
|
|
|
|
int winbindd_num_clients(void)
|
|
{
|
|
return _num_clients;
|
|
}
|
|
|
|
NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
|
|
TALLOC_CTX *mem_ctx,
|
|
const DOM_SID *user_sid,
|
|
uint32 *p_num_groups, DOM_SID **user_sids)
|
|
{
|
|
NET_USER_INFO_3 *info3 = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
int i;
|
|
size_t num_groups = 0;
|
|
DOM_SID group_sid, primary_group;
|
|
|
|
DEBUG(3,(": lookup_usergroups_cached\n"));
|
|
|
|
*user_sids = NULL;
|
|
num_groups = 0;
|
|
*p_num_groups = 0;
|
|
|
|
info3 = netsamlogon_cache_get(mem_ctx, user_sid);
|
|
|
|
if (info3 == NULL) {
|
|
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
|
|
}
|
|
|
|
if (info3->num_groups == 0) {
|
|
SAFE_FREE(info3);
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
/* always add the primary group to the sid array */
|
|
sid_compose(&primary_group, &info3->dom_sid.sid, info3->user_rid);
|
|
|
|
if (!add_sid_to_array(mem_ctx, &primary_group, user_sids, &num_groups)) {
|
|
SAFE_FREE(info3);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
for (i=0; i<info3->num_groups; i++) {
|
|
sid_copy(&group_sid, &info3->dom_sid.sid);
|
|
sid_append_rid(&group_sid, info3->gids[i].g_rid);
|
|
|
|
if (!add_sid_to_array(mem_ctx, &group_sid, user_sids,
|
|
&num_groups)) {
|
|
SAFE_FREE(info3);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
}
|
|
|
|
SAFE_FREE(info3);
|
|
*p_num_groups = num_groups;
|
|
status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
|
|
|
|
DEBUG(3,(": lookup_usergroups_cached succeeded\n"));
|
|
|
|
return status;
|
|
}
|