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ae6a779bf9
Guenther Autobuild-User: Günther Deschner <gd@samba.org> Autobuild-Date: Wed Jun 8 14:44:31 CEST 2011 on sn-devel-104
150 lines
3.5 KiB
C
150 lines
3.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Winbind daemon - cached credentials funcions
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Copyright (C) Guenther Deschner 2005
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "winbindd.h"
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#include "../libcli/auth/libcli_auth.h"
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#include "../libcli/security/security.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_WINBIND
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#define MAX_CACHED_LOGINS 10
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NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
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TALLOC_CTX *mem_ctx,
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const struct dom_sid *sid,
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struct netr_SamInfo3 **info3,
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const uint8 *cached_nt_pass[NT_HASH_LEN],
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const uint8 *cred_salt[NT_HASH_LEN])
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{
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struct netr_SamInfo3 *info;
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NTSTATUS status;
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if (!winbindd_use_cache()) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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info = netsamlogon_cache_get(mem_ctx, sid);
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if (info == NULL) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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*info3 = info;
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return NT_STATUS_OK;
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}
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NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
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const char *user,
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const char *pass,
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struct netr_SamInfo3 *info3)
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{
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NTSTATUS status;
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uchar nt_pass[NT_HASH_LEN];
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struct dom_sid cred_sid;
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if (info3 != NULL) {
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sid_compose(&cred_sid, info3->base.domain_sid,
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info3->base.rid);
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info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
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} else if (user != NULL) {
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/* do lookup ourself */
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enum lsa_SidType type;
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if (!lookup_cached_name(domain->name,
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user,
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&cred_sid,
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&type)) {
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return NT_STATUS_NO_SUCH_USER;
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}
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} else {
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return NT_STATUS_INVALID_PARAMETER;
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}
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if (pass) {
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int count = 0;
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status = wcache_count_cached_creds(domain, &count);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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DEBUG(11,("we have %d cached creds\n", count));
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if (count + 1 > MAX_CACHED_LOGINS) {
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DEBUG(10,("need to delete the oldest cached login\n"));
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status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(10,("failed to remove oldest cached cred: %s\n",
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nt_errstr(status)));
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return status;
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}
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}
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E_md4hash(pass, nt_pass);
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dump_data_pw("nt_pass", nt_pass, NT_HASH_LEN);
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status = wcache_save_creds(domain, &cred_sid, nt_pass);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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}
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if (info3 != NULL && user != NULL) {
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if (!netsamlogon_cache_store(user, info3)) {
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return NT_STATUS_ACCESS_DENIED;
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}
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}
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return NT_STATUS_OK;
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}
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NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
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const char *user,
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const char *pass,
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struct netr_SamInfo3 *info3)
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{
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return winbindd_store_creds(domain, user, pass, info3);
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}
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NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
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const char *user,
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const char *pass)
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{
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return winbindd_store_creds(domain, user, pass, NULL);
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}
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