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-/*
- example code for the ldb database library
-
- Copyright (C) Brad Hards (bradh@frogmouth.net) 2005-2006
-
- ** NOTE! The following LGPL license applies to the ldb
- ** library. This does NOT imply that all of Samba is released
- ** under the LGPL
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 3 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-/** \example ldbreader.c
-
-The code below shows a simple LDB application.
-
-It lists / dumps the records in a LDB database to standard output.
-
-*/
-
-#include "ldb.h"
-
-/*
- ldb_ldif_write takes a function pointer to a custom output
- function. This version is about as simple as the output function can
- be. In a more complex example, you'd likely be doing something with
- the private data function (e.g. holding a file handle).
-*/
-static int vprintf_fn(void *private_data, const char *fmt, ...)
-{
- int retval;
- va_list ap;
-
- va_start(ap, fmt);
- /* We just write to standard output */
- retval = vprintf(fmt, ap);
- va_end(ap);
- /* Note that the function should return the number of
- bytes written, or a negative error code */
- return retval;
-}
-
-int main(int argc, const char **argv)
-{
- struct ldb_context *ldb;
- const char *expression = "(dn=*)";
- struct ldb_result *resultMsg;
- int i;
-
- /*
- This is the always the first thing you want to do in an LDB
- application - initialise up the context structure.
-
- Note that you can use the context structure as a parent
- for talloc allocations as well
- */
- ldb = ldb_init(NULL, NULL);
-
- /*
- We now open the database. In this example we just hard code the connection path.
-
- Also note that the database is being opened read-only. This means that the
- call will fail unless the database already exists.
- */
- if (LDB_SUCCESS != ldb_connect(ldb, "tdb://tdbtest.ldb", LDB_FLG_RDONLY, NULL) ){
- printf("Problem on connection\n");
- exit(-1);
- }
-
- /*
- At this stage we have an open database, and can start using it. It is opened
- read-only, so a query is possible.
-
- We construct a search that just returns all the (sensible) contents. You can do
- quite fine grained results with the LDAP search syntax, however it is a bit
- confusing to start with. See RFC2254.
- */
- if (LDB_SUCCESS != ldb_search(ldb, ldb, &resultMsg,
- NULL, LDB_SCOPE_DEFAULT, NULL,
- "%s", expression)) {
- printf("Problem in search\n");
- exit(-1);
- }
-
- printf("%i records returned\n", resultMsg->count);
-
- /*
- We can now iterate through the results, writing them out
- (to standard output) with our custom output routine as defined
- at the top of this file
- */
- for (i = 0; i < resultMsg->count; ++i) {
- struct ldb_ldif ldifMsg;
-
- printf("Message: %i\n", i+1);
-
- ldifMsg.changetype = LDB_CHANGETYPE_NONE;
- ldifMsg.msg = resultMsg->msgs[i];
- ldb_ldif_write(ldb, vprintf_fn, NULL, &ldifMsg);
- }
-
- /*
- There are two objects to clean up - the result from the
- ldb_search() query, and the original ldb context.
- */
- talloc_free(resultMsg);
-
- talloc_free(ldb);
-
- return 0;
-}