added unbound to external deps

1 files changed, 69 insertions, 0 deletions

diff --git a/external/unbound/iterator/iter_scrub.h b/external/unbound/iterator/iter_scrub.h
new file mode 100644
index 000000000..cbbaf73c9
--- /dev/null
+++ b/external/unbound/iterator/iter_scrub.h
@@ -0,0 +1,69 @@
+/*
+ * iterator/iter_scrub.h - scrubbing, normalization, sanitization of DNS msgs.
+ *
+ * Copyright (c) 2007, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file has routine(s) for cleaning up incoming DNS messages from 
+ * possible useless or malicious junk in it.
+ */
+
+#ifndef ITERATOR_ITER_SCRUB_H
+#define ITERATOR_ITER_SCRUB_H
+struct sldns_buffer;
+struct msg_parse;
+struct query_info;
+struct regional;
+struct module_env;
+struct iter_env;
+
+/**
+ * Cleanup the passed dns message.
+ * @param pkt: the packet itself, for resolving name compression pointers.
+ *	the packet buffer is unaltered.
+ * @param msg: the parsed packet, this structure is cleaned up.
+ * @param qinfo: the query info that was sent to the server. Checked.
+ * @param zonename: the name of the last delegation point.
+ *	Used to determine out of bailiwick information.
+ * @param regional: where to allocate (new) parts of the message.
+ * @param env: module environment with config settings and cache. 
+ * @param ie: iterator module environment data.
+ * @return: false if the message is total waste. true if scrubbed with success.
+ */
+int scrub_message(struct sldns_buffer* pkt, struct msg_parse* msg, 
+	struct query_info* qinfo, uint8_t* zonename, struct regional* regional,
+	struct module_env* env, struct iter_env* ie);
+
+#endif /* ITERATOR_ITER_SCRUB_H */