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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>
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lib/ldb
@ -997,3 +997,28 @@ struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx,
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return nt;
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}
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/* Get the attribute (if any) associated with the top node of a parse tree. */
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const char *ldb_parse_tree_get_attr(const struct ldb_parse_tree *tree)
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{
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switch (tree->operation) {
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case LDB_OP_AND:
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case LDB_OP_OR:
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case LDB_OP_NOT:
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return NULL;
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case LDB_OP_EQUALITY:
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return tree->u.equality.attr;
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case LDB_OP_SUBSTRING:
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return tree->u.substring.attr;
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case LDB_OP_GREATER:
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case LDB_OP_LESS:
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case LDB_OP_APPROX:
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return tree->u.comparison.attr;
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case LDB_OP_PRESENT:
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return tree->u.present.attr;
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case LDB_OP_EXTENDED:
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return tree->u.extended.attr;
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}
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return NULL;
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}
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@ -490,6 +490,9 @@ int ldb_init_module(const char *version);
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*/
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bool ldb_dn_replace_components(struct ldb_dn *dn, struct ldb_dn *new_dn);
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/* Get the attribute (if any) associated with the top node of a parse tree. */
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const char *ldb_parse_tree_get_attr(const struct ldb_parse_tree *tree);
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/*
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walk a parse tree, calling the provided callback on each node
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*/
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