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-rw-r--r--source3/lib/ldb/examples/ldbreader.c125
-rw-r--r--source3/lib/ldb/examples/ldifreader.c129
2 files changed, 254 insertions, 0 deletions
diff --git a/source3/lib/ldb/examples/ldbreader.c b/source3/lib/ldb/examples/ldbreader.c
new file mode 100644
index 0000000000..207c6c3d42
--- /dev/null
+++ b/source3/lib/ldb/examples/ldbreader.c
@@ -0,0 +1,125 @@
+/*
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301 USA
+*/
+
+/** \example ldbreader.c
+
+The code below shows a simple LDB application.
+
+It lists / dumps the records in a LDB database to standard output.
+
+*/
+
+#include "includes.h"
+#include "ldb/include/ldb.h"
+#include "ldb/include/ldb_errors.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);
+
+ /*
+ 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, NULL, LDB_SCOPE_DEFAULT,
+ expression, NULL, &resultMsg) ) {
+ 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;
+}
diff --git a/source3/lib/ldb/examples/ldifreader.c b/source3/lib/ldb/examples/ldifreader.c
new file mode 100644
index 0000000000..3b8591e73f
--- /dev/null
+++ b/source3/lib/ldb/examples/ldifreader.c
@@ -0,0 +1,129 @@
+/*
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301 USA
+*/
+
+/** \example ldifreader.c
+
+The code below shows a simple LDB application.
+
+It lists / dumps the entries in an LDIF file to standard output.
+
+*/
+
+#include "includes.h"
+#include "ldb/include/ldb.h"
+#include "ldb/include/ldb_errors.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;
+ FILE *fileStream;
+ struct ldb_ldif *ldifMsg;
+
+ if (argc != 2) {
+ printf("Usage %s filename.ldif\n", argv[0]);
+ exit(1);
+ }
+
+ /*
+ 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);
+
+ fileStream = fopen(argv[1], "r");
+ if (0 == fileStream) {
+ perror(argv[1]);
+ exit(1);
+ }
+
+ /*
+ We now work through the filestream to get each entry.
+ */
+ while ( (ldifMsg = ldb_ldif_read_file(ldb, fileStream)) ) {
+ /*
+ Each message has a particular change type. For Add,
+ Modify and Delete, this will also appear in the
+ output listing (as changetype: add, changetype:
+ modify or changetype:delete, respectively).
+ */
+ switch (ldifMsg->changetype) {
+ case LDB_CHANGETYPE_NONE:
+ printf("ChangeType: None\n");
+ break;
+ case LDB_CHANGETYPE_ADD:
+ printf("ChangeType: Add\n");
+ break;
+ case LDB_CHANGETYPE_MODIFY:
+ printf("ChangeType: Modify\n");
+ break;
+ case LDB_CHANGETYPE_DELETE:
+ printf("ChangeType: Delete\n");
+ break;
+ default:
+ printf("ChangeType: Unknown\n");
+ }
+
+ /*
+ We can now write out the results, using our custom
+ output routine as defined at the top of this file.
+ */
+ ldb_ldif_write(ldb, vprintf_fn, NULL, ldifMsg);
+
+ /*
+ Clean up the message
+ */
+ ldb_ldif_read_free(ldb, ldifMsg);
+ }
+
+ /*
+ Clean up the context
+ */
+ talloc_free(ldb);
+
+ return 0;
+}
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