r1210: A skeleton spoolssdb, based on samdb.

(This used to be commit 487211f1ae105fd1972fecf521654dab81175c86)

3 files changed, 95 insertions, 1 deletions

diff --git a/source4/param/loadparm.c b/source4/param/loadparm.c
index 2e1da1ac31..0245d18c45 100644
--- a/source4/param/loadparm.c
+++ b/source4/param/loadparm.c
@@ -107,6 +107,7 @@ typedef struct
 	char *szConfigFile;
 	char *szSMBPasswdFile;
 	char *szSAM_URL;
+	char *szSPOOLSS_URL;
 	char *szPrivateDir;
 	char **szPassdbBackend;
 	char **szPreloadModules;
@@ -581,6 +582,7 @@ static struct parm_struct parm_table[] = {
 	{"password server", P_STRING, P_GLOBAL, &Globals.szPasswordServer, NULL, NULL, FLAG_ADVANCED | FLAG_WIZARD | FLAG_DEVELOPER},
 	{"smb passwd file", P_STRING, P_GLOBAL, &Globals.szSMBPasswdFile, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
 	{"sam database", P_STRING, P_GLOBAL, &Globals.szSAM_URL, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
+	{"spoolss database", P_STRING, P_GLOBAL, &Globals.szSPOOLSS_URL, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
 	{"private dir", P_STRING, P_GLOBAL, &Globals.szPrivateDir, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
 	{"passdb backend", P_LIST, P_GLOBAL, &Globals.szPassdbBackend, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
 	{"non unix account range", P_STRING, P_GLOBAL, &Globals.szNonUnixAccountRange, handle_non_unix_account_range, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
@@ -960,6 +962,7 @@ static void init_globals(void)
 	string_set(&Globals.szSMBPasswdFile, dyn_SMB_PASSWD_FILE);
 	string_set(&Globals.szPrivateDir, dyn_PRIVATE_DIR);
 	asprintf(&Globals.szSAM_URL, "tdb://%s/sam.ldb", dyn_PRIVATE_DIR);
+	asprintf(&Globals.szSPOOLSS_URL, "tdb://%s/spoolss.ldb", dyn_PRIVATE_DIR);
 
 	string_set(&Globals.szGuestaccount, GUEST_ACCOUNT);
 
@@ -1205,6 +1208,7 @@ FN_GLOBAL_STRING(lp_logfile, &Globals.szLogFile)
 FN_GLOBAL_STRING(lp_configfile, &Globals.szConfigFile)
 FN_GLOBAL_STRING(lp_smb_passwd_file, &Globals.szSMBPasswdFile)
 FN_GLOBAL_STRING(lp_sam_url, &Globals.szSAM_URL)
+FN_GLOBAL_STRING(lp_spoolss_url, &Globals.szSPOOLSS_URL)
 FN_GLOBAL_STRING(lp_private_dir, &Globals.szPrivateDir)
 FN_GLOBAL_STRING(lp_serverstring, &Globals.szServerString)
 FN_GLOBAL_STRING(lp_printcapname, &Globals.szPrintcapname)
diff --git a/source4/rpc_server/config.mk b/source4/rpc_server/config.mk
index eb83e25114..beef89f23f 100644
--- a/source4/rpc_server/config.mk
+++ b/source4/rpc_server/config.mk
@@ -119,7 +119,8 @@ REQUIRED_SUBSYSTEMS = \
 # Start MODULE dcerpc_spoolss
 [MODULE::dcerpc_spoolss]
 INIT_OBJ_FILES = \
-		rpc_server/spoolss/dcesrv_spoolss.o
+		rpc_server/spoolss/dcesrv_spoolss.o \
+		rpc_server/spoolss/spoolssdb.o
 REQUIRED_SUBSYSTEMS = \
 		SAMDB \
 		DCERPC_COMMON
diff --git a/source4/rpc_server/spoolss/spoolssdb.c b/source4/rpc_server/spoolss/spoolssdb.c
new file mode 100644
index 0000000000..f4180af0ef
--- /dev/null
+++ b/source4/rpc_server/spoolss/spoolssdb.c
@@ -0,0 +1,89 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   interface functions for the spoolss database
+
+   Copyright (C) Andrew Tridgell 2004
+   Copyright (C) Tim Potter 2004
+   
+   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"
+
+struct spoolssdb_context {
+	struct ldb_context *ldb;
+};
+
+/*
+  this is used to catch debug messages from ldb
+*/
+void spoolssdb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap)
+{
+	char *s = NULL;
+	if (DEBUGLEVEL < 4 && level > LDB_DEBUG_WARNING) {
+		return;
+	}
+	vasprintf(&s, fmt, ap);
+	if (!s) return;
+	DEBUG(level, ("spoolssdb: %s\n", s));
+	free(s);
+}
+
+/*
+  connect to the spoolss database
+  return an opaque context pointer on success, or NULL on failure
+ */
+void *spoolssdb_connect(void)
+{
+	struct spoolssdb_context *ctx;
+	/*
+	  the way that unix fcntl locking works forces us to have a
+	  static ldb handle here rather than a much more sensible
+	  approach of having the ldb handle as part of the
+	  spoolss_OpenPrinter() pipe state. Otherwise we would try to open
+	  the ldb more than once, and tdb would rightly refuse the
+	  second open due to the broken nature of unix locking.
+	*/
+	static struct ldb_context *static_spoolss_db;
+
+	if (static_spoolss_db == NULL) {
+		static_spoolss_db = ldb_connect(lp_spoolss_url(), 0, NULL);
+		if (static_spoolss_db == NULL) {
+			return NULL;
+		}
+	}
+
+	ldb_set_debug(static_spoolss_db, spoolssdb_debug, NULL);
+
+	ctx = malloc_p(struct spoolssdb_context);
+	if (!ctx) {
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	ctx->ldb = static_spoolss_db;
+
+	return ctx;
+}
+
+/* close a connection to the spoolss db */
+void spoolssdb_close(void *ctx)
+{
+	struct spoolssdb_context *spoolss_ctx = ctx;
+	/* we don't actually close due to broken posix locking semantics */
+	spoolss_ctx->ldb = NULL;
+	free(spoolss_ctx);
+}