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CVE-2023-0614 ldb: Add ldb_parse_tree_get_attr()

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Joseph Sutton 2023-03-03 17:31:54 +13:00 committed by Jule Anger
parent 1c9736510f
commit 0b0d8a8ece
2 changed files with 28 additions and 0 deletions
lib/ldb

View File

@ -997,3 +997,28 @@ struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx,
return nt;
}
/* Get the attribute (if any) associated with the top node of a parse tree. */
const char *ldb_parse_tree_get_attr(const struct ldb_parse_tree *tree)
{
switch (tree->operation) {
case LDB_OP_AND:
case LDB_OP_OR:
case LDB_OP_NOT:
return NULL;
case LDB_OP_EQUALITY:
return tree->u.equality.attr;
case LDB_OP_SUBSTRING:
return tree->u.substring.attr;
case LDB_OP_GREATER:
case LDB_OP_LESS:
case LDB_OP_APPROX:
return tree->u.comparison.attr;
case LDB_OP_PRESENT:
return tree->u.present.attr;
case LDB_OP_EXTENDED:
return tree->u.extended.attr;
}
return NULL;
}

View File

@ -490,6 +490,9 @@ int ldb_init_module(const char *version);
*/
bool ldb_dn_replace_components(struct ldb_dn *dn, struct ldb_dn *new_dn);
/* Get the attribute (if any) associated with the top node of a parse tree. */
const char *ldb_parse_tree_get_attr(const struct ldb_parse_tree *tree);
/*
walk a parse tree, calling the provided callback on each node
*/