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-rw-r--r--source4/dsdb/schema/schema_query.c344
1 files changed, 344 insertions, 0 deletions
diff --git a/source4/dsdb/schema/schema_query.c b/source4/dsdb/schema/schema_query.c
new file mode 100644
index 0000000000..ca26ffd206
--- /dev/null
+++ b/source4/dsdb/schema/schema_query.c
@@ -0,0 +1,344 @@
+/*
+ Unix SMB/CIFS mplementation.
+ DSDB schema header
+
+ Copyright (C) Stefan Metzmacher <metze@samba.org> 2006-2007
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006-2008
+
+ 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
+ (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, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+
+const struct dsdb_attribute *dsdb_attribute_by_attributeID_id(const struct dsdb_schema *schema,
+ uint32_t id)
+{
+ struct dsdb_attribute *cur;
+
+ /*
+ * 0xFFFFFFFF is used as value when no mapping table is available,
+ * so don't try to match with it
+ */
+ if (id == 0xFFFFFFFF) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ if (cur->attributeID_id != id) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_attribute *dsdb_attribute_by_attributeID_oid(const struct dsdb_schema *schema,
+ const char *oid)
+{
+ struct dsdb_attribute *cur;
+
+ if (!oid) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ if (strcmp(cur->attributeID_oid, oid) != 0) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_attribute *dsdb_attribute_by_lDAPDisplayName(const struct dsdb_schema *schema,
+ const char *name)
+{
+ struct dsdb_attribute *cur;
+
+ if (!name) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_attribute *dsdb_attribute_by_linkID(const struct dsdb_schema *schema,
+ int linkID)
+{
+ struct dsdb_attribute *cur;
+
+ /* TODO: add binary search */
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ if (cur->linkID != linkID) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_class *dsdb_class_by_governsID_id(const struct dsdb_schema *schema,
+ uint32_t id)
+{
+ struct dsdb_class *cur;
+
+ /*
+ * 0xFFFFFFFF is used as value when no mapping table is available,
+ * so don't try to match with it
+ */
+ if (id == 0xFFFFFFFF) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->classes; cur; cur = cur->next) {
+ if (cur->governsID_id != id) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_class *dsdb_class_by_governsID_oid(const struct dsdb_schema *schema,
+ const char *oid)
+{
+ struct dsdb_class *cur;
+
+ if (!oid) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->classes; cur; cur = cur->next) {
+ if (strcmp(cur->governsID_oid, oid) != 0) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_class *dsdb_class_by_lDAPDisplayName(const struct dsdb_schema *schema,
+ const char *name)
+{
+ struct dsdb_class *cur;
+
+ if (!name) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->classes; cur; cur = cur->next) {
+ if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const struct dsdb_class *dsdb_class_by_cn(const struct dsdb_schema *schema,
+ const char *cn)
+{
+ struct dsdb_class *cur;
+
+ if (!cn) return NULL;
+
+ /* TODO: add binary search */
+ for (cur = schema->classes; cur; cur = cur->next) {
+ if (strcasecmp(cur->cn, cn) != 0) continue;
+
+ return cur;
+ }
+
+ return NULL;
+}
+
+const char *dsdb_lDAPDisplayName_by_id(const struct dsdb_schema *schema,
+ uint32_t id)
+{
+ const struct dsdb_attribute *a;
+ const struct dsdb_class *c;
+
+ /* TODO: add binary search */
+ a = dsdb_attribute_by_attributeID_id(schema, id);
+ if (a) {
+ return a->lDAPDisplayName;
+ }
+
+ c = dsdb_class_by_governsID_id(schema, id);
+ if (c) {
+ return c->lDAPDisplayName;
+ }
+
+ return NULL;
+}
+
+/**
+ Return a list of linked attributes, in lDAPDisplayName format.
+
+ This may be used to determine if a modification would require
+ backlinks to be updated, for example
+*/
+
+WERROR dsdb_linked_attribute_lDAPDisplayName_list(const struct dsdb_schema *schema, TALLOC_CTX *mem_ctx, const char ***attr_list_ret)
+{
+ const char **attr_list = NULL;
+ struct dsdb_attribute *cur;
+ int i = 0;
+ for (cur = schema->attributes; cur; cur = cur->next) {
+ if (cur->linkID == 0) continue;
+
+ attr_list = talloc_realloc(mem_ctx, attr_list, const char *, i+2);
+ if (!attr_list) {
+ return WERR_NOMEM;
+ }
+ attr_list[i] = cur->lDAPDisplayName;
+ i++;
+ }
+ attr_list[i] = NULL;
+ *attr_list_ret = attr_list;
+ return WERR_OK;
+}
+
+char **merge_attr_list(TALLOC_CTX *mem_ctx,
+ char **attrs, const char **new_attrs)
+{
+ char **ret_attrs;
+ int i;
+ size_t new_len, orig_len = str_list_length((const char **)attrs);
+ if (!new_attrs) {
+ return attrs;
+ }
+
+ ret_attrs = talloc_realloc(mem_ctx,
+ attrs, char *, orig_len + str_list_length(new_attrs) + 1);
+ if (ret_attrs) {
+ for (i=0; i < str_list_length(new_attrs); i++) {
+ ret_attrs[orig_len + i] = new_attrs[i];
+ }
+ new_len = orig_len + str_list_length(new_attrs);
+
+ ret_attrs[new_len] = NULL;
+ }
+
+ return ret_attrs;
+}
+
+/*
+ Return a merged list of the attributes of exactly one class (not
+ considering subclasses, auxillary classes etc)
+*/
+
+char **dsdb_attribute_list(TALLOC_CTX *mem_ctx, const struct dsdb_class *class, enum dsdb_attr_list_query query)
+{
+ char **attr_list = NULL;
+ switch (query) {
+ case DSDB_SCHEMA_ALL_MAY:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
+ break;
+
+ case DSDB_SCHEMA_ALL_MUST:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
+ break;
+
+ case DSDB_SCHEMA_SYS_MAY:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
+ break;
+
+ case DSDB_SCHEMA_SYS_MUST:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
+ break;
+
+ case DSDB_SCHEMA_MAY:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
+ break;
+
+ case DSDB_SCHEMA_MUST:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
+ break;
+
+ case DSDB_SCHEMA_ALL:
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mayContain);
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMayContain);
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->mustContain);
+ attr_list = merge_attr_list(mem_ctx, attr_list, class->systemMustContain);
+ break;
+ }
+ return attr_list;
+}
+
+static char **dsdb_full_attribute_list_internal(TALLOC_CTX *mem_ctx,
+ const struct dsdb_schema *schema,
+ const char **class_list,
+ enum dsdb_attr_list_query query)
+{
+ int i;
+ const struct dsdb_class *class;
+
+ char **attr_list = NULL;
+ char **this_class_list;
+ char **recursive_list;
+
+ for (i=0; class_list && class_list[i]; i++) {
+ class = dsdb_class_by_lDAPDisplayName(schema, class_list[i]);
+
+ this_class_list = dsdb_attribute_list(mem_ctx, class, query);
+ attr_list = merge_attr_list(mem_ctx, attr_list, (const char **)this_class_list);
+
+ recursive_list = dsdb_full_attribute_list_internal(mem_ctx, schema,
+ class->systemAuxiliaryClass,
+ query);
+
+ attr_list = merge_attr_list(mem_ctx, attr_list, (const char **)recursive_list);
+
+ recursive_list = dsdb_full_attribute_list_internal(mem_ctx, schema,
+ class->auxiliaryClass,
+ query);
+
+ attr_list = merge_attr_list(mem_ctx, attr_list, (const char **)recursive_list);
+
+ }
+ return attr_list;
+}
+
+char **dsdb_full_attribute_list(TALLOC_CTX *mem_ctx,
+ const struct dsdb_schema *schema,
+ const char **class_list,
+ enum dsdb_attr_list_query query)
+{
+ char **attr_list = dsdb_full_attribute_list_internal(mem_ctx, schema, class_list, query);
+ size_t new_len = str_list_length((const char **)attr_list);
+
+ /* Remove duplicates */
+ if (new_len > 1) {
+ int i;
+ qsort(attr_list, new_len,
+ sizeof(*attr_list),
+ (comparison_fn_t)strcasecmp);
+
+ for (i=1 ; i < new_len; i++) {
+ char **val1 = &attr_list[i-1];
+ char **val2 = &attr_list[i];
+ if (ldb_attr_cmp(*val1, *val2) == 0) {
+ memmove(val1, val2, (new_len - i) * sizeof( *attr_list));
+ new_len--;
+ i--;
+ }
+ }
+ }
+ return attr_list;
+}
generated by cgit (git 2.34.1) at 2024-11-01 09:24:42 +0000