1 files changed, 123 insertions, 0 deletions
diff --git a/source4/passdb/pdb_guest.c b/source4/passdb/pdb_guest.c
new file mode 100644
index 0000000000..3f0f06d18d
--- /dev/null
+++ b/source4/passdb/pdb_guest.c
@@ -0,0 +1,123 @@
+/*
+ * '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;
+}