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-rw-r--r--source3/passdb/pdb_guest.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/source3/passdb/pdb_guest.c b/source3/passdb/pdb_guest.c
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index 0000000000..f5a15057e0
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+++ b/source3/passdb/pdb_guest.c
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+/*
+ * 'Guest' password backend for samba
+ * Copyright (C) Jelmer Vernooij 2002
+ * Copyright (C) Andrew Bartlett 2003
+ *
+ * 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"
+
+/******************************************************************
+ Lookup a name in the SAM database
+ ******************************************************************/
+
+static NTSTATUS guestsam_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname)
+{
+ NTSTATUS nt_status;
+ struct passwd *pass;
+ const char *guest_account = lp_guestaccount();
+ if (!(guest_account && *guest_account)) {
+ DEBUG(1, ("NULL guest account!?!?\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!methods) {
+ DEBUG(0,("invalid methods\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ if (!sname) {
+ DEBUG(0,("invalid name specified"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!strequal(guest_account, sname)) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ pass = getpwnam_alloc(guest_account);
+
+ nt_status = pdb_fill_sam_pw(user, pass);
+
+ passwd_free(&pass);
+ return nt_status;
+}
+
+
+/***************************************************************************
+ Search by rid
+ **************************************************************************/
+
+static NTSTATUS guestsam_getsampwrid (struct pdb_methods *methods,
+ SAM_ACCOUNT *user, uint32 rid)
+{
+ NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+ struct passwd *pass = NULL;
+ const char *guest_account = lp_guestaccount();
+ if (!(guest_account && *guest_account)) {
+ DEBUG(1, ("NULL guest account!?!?\n"));
+ return nt_status;
+ }
+
+ if (!methods) {
+ DEBUG(0,("invalid methods\n"));
+ return nt_status;
+ }
+
+ if (rid == DOMAIN_USER_RID_GUEST) {
+ pass = getpwnam_alloc(guest_account);
+ if (!pass) {
+ DEBUG(1, ("guest account %s does not seem to exist...\n", guest_account));
+ return NT_STATUS_NO_SUCH_USER;
+ }
+ } else {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ nt_status = pdb_fill_sam_pw(user, pass);
+ passwd_free(&pass);
+
+ return nt_status;
+}
+
+static NTSTATUS guestsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
+{
+ uint32 rid;
+ if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid))
+ return NT_STATUS_NO_SUCH_USER;
+ return guestsam_getsampwrid(my_methods, user, rid);
+}
+
+NTSTATUS pdb_init_guestsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
+{
+ NTSTATUS nt_status;
+
+ if (!pdb_context) {
+ DEBUG(0, ("invalid pdb_context specified\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
+ return nt_status;
+ }
+
+ (*pdb_method)->name = "guestsam";
+
+ (*pdb_method)->getsampwnam = guestsam_getsampwnam;
+ (*pdb_method)->getsampwsid = guestsam_getsampwsid;
+
+ /* There's not very much to initialise here */
+ return NT_STATUS_OK;
+}
+
+int pdb_guest_init(void)
+{
+ return smb_register_passdb("guest", pdb_init_guestsam, PASSDB_INTERFACE_VERSION);
+}
+