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/*
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"
#include "lib/ldb/include/ldb.h"
struct spoolssdb_context {
struct ldb_context *ldb;
};
/*
this is used to catch debug messages from ldb
*/
static void spoolssdb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3, 0);
static 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);
}
/*
search the db for the specified attributes - varargs variant
*/
int spoolssdb_search(void *ctx,
TALLOC_CTX *mem_ctx,
const char *basedn,
struct ldb_message ***res,
const char * const *attrs,
const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
{
struct spoolssdb_context *spoolss_ctx = ctx;
va_list ap;
int count;
va_start(ap, format);
count = gendb_search_v(spoolss_ctx->ldb, mem_ctx, basedn, res, attrs, format, ap);
va_end(ap);
return count;
}
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