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r26412: Add comments and refactor to reuse common code.

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Andrew Bartlett
(This used to be commit a8b0f5af9afcc19bd869ff19e1456dbe9d2713b6)
This commit is contained in:
Andrew Bartlett 2007-12-12 07:02:07 +01:00 committed by Stefan Metzmacher
parent 6d2edec0a2
commit a7f008a939
1 changed files with 29 additions and 10 deletions
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39
source4/dsdb/schema/schema_init.c
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@ -3,7 +3,8 @@
DSDB schema header
Copyright (C) Stefan Metzmacher <metze@samba.org> 2006
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
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 3 of the License, or
@ -1038,6 +1039,11 @@ WERROR dsdb_linked_attribute_lDAPDisplayName_list(const struct dsdb_schema *sche
return WERR_OK;
}
/**
* Attach the schema to an opaque pointer on the ldb, so ldb modules
* can find it
*/
int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
{
int ret;
@ -1052,8 +1058,14 @@ int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
return LDB_SUCCESS;
}
/**
* Global variable to hold one copy of the schema, used to avoid memory bloat
*/
static struct dsdb_schema *global_schema;
/**
* Make this ldb use the 'global' schema, setup to avoid having multiple copies in this process
*/
int dsdb_set_global_schema(struct ldb_context *ldb)
{
int ret;
@ -1068,6 +1080,10 @@ int dsdb_set_global_schema(struct ldb_context *ldb)
return LDB_SUCCESS;
}
/**
* Find the schema object for this ldb
*/
const struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
{
const void *p;
@ -1087,18 +1103,14 @@ const struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
return schema;
}
/**
* Make the schema found on this ldb the 'global' schema
*/
void dsdb_make_schema_global(struct ldb_context *ldb)
{
const void *p;
const struct dsdb_schema *schema;
/* see if we have a cached copy */
p = ldb_get_opaque(ldb, "dsdb_schema");
if (!p) {
return;
}
schema = talloc_get_type(p, struct dsdb_schema);
const struct dsdb_schema *schema = dsdb_get_schema(ldb);
if (!schema) {
return;
}
@ -1109,6 +1121,13 @@ void dsdb_make_schema_global(struct ldb_context *ldb)
dsdb_set_global_schema(ldb);
}
/**
* Rather than read a schema from the LDB itself, read it from an ldif
* file. This allows schema to be loaded and used while adding the
* schema itself to the directory.
*/
WERROR dsdb_attach_schema_from_ldif_file(struct ldb_context *ldb, const char *pf, const char *df)
{
struct ldb_ldif *ldif;