added unbound to external deps

1 files changed, 268 insertions, 0 deletions

diff --git a/external/unbound/testcode/testpkts.h b/external/unbound/testcode/testpkts.h
new file mode 100644
index 000000000..864f33fee
--- /dev/null
+++ b/external/unbound/testcode/testpkts.h
@@ -0,0 +1,268 @@
+/*
+ * testpkts. Data file parse for test packets, and query matching.
+ *
+ * Data storage for specially crafted replies for testing purposes.
+ *
+ * (c) NLnet Labs, 2005, 2006, 2007
+ * See the file LICENSE for the license
+ */
+
+#ifndef TESTPKTS_H
+#define TESTPKTS_H
+struct sldns_buffer;
+struct sldns_file_parse_state;
+
+/**
+ * \file
+ * 
+ * This is a debugging aid. It is not efficient, especially
+ * with a long config file, but it can give any reply to any query.
+ * This can help the developer pre-script replies for queries.
+ *
+ * You can specify a packet RR by RR with header flags to return.
+ *
+ * Missing features:
+ *		- matching content different from reply content.
+ *		- find way to adjust mangled packets?
+ *
+ */
+
+ /*
+	The data file format is as follows:
+	
+	; comment.
+	; a number of entries, these are processed first to last.
+	; a line based format.
+
+	$ORIGIN origin
+	$TTL default_ttl
+
+	ENTRY_BEGIN
+	; first give MATCH lines, that say what queries are matched
+	; by this entry.
+	; 'opcode' makes the query match the opcode from the reply
+	; if you leave it out, any opcode matches this entry.
+	; 'qtype' makes the query match the qtype from the reply
+	; 'qname' makes the query match the qname from the reply
+	; 'subdomain' makes the query match subdomains of qname from the reply
+	; 'serial=1023' makes the query match if ixfr serial is 1023. 
+	; 'all' has to match header byte for byte and all rrs in packet.
+	; 'ttl' used with all, rrs in packet must also have matching TTLs.
+	; 'DO' will match only queries with DO bit set.
+	; 'noedns' matches queries without EDNS OPT records.
+	MATCH [opcode] [qtype] [qname] [serial=<value>] [all] [ttl]
+	MATCH [UDP|TCP] DO
+	MATCH ...
+	; Then the REPLY header is specified.
+	REPLY opcode, rcode or flags.
+		(opcode)  QUERY IQUERY STATUS NOTIFY UPDATE
+		(rcode)   NOERROR FORMERR SERVFAIL NXDOMAIN NOTIMPL YXDOMAIN
+		 		YXRRSET NXRRSET NOTAUTH NOTZONE
+		(flags)   QR AA TC RD CD RA AD DO
+	REPLY ...
+	; any additional actions to do.
+	; 'copy_id' copies the ID from the query to the answer.
+	ADJUST copy_id
+	; 'copy_query' copies the query name, type and class to the answer.
+	ADJUST copy_query
+	; 'sleep=10' sleeps for 10 seconds before giving the answer (TCP is open)
+	ADJUST [sleep=<num>]    ; sleep before giving any reply
+	ADJUST [packet_sleep=<num>]  ; sleep before this packet in sequence
+	SECTION QUESTION
+	<RRs, one per line>    ; the RRcount is determined automatically.
+	SECTION ANSWER
+	<RRs, one per line>
+	SECTION AUTHORITY
+	<RRs, one per line>
+	SECTION ADDITIONAL
+	<RRs, one per line>
+	EXTRA_PACKET		; follow with SECTION, REPLY for more packets.
+	HEX_ANSWER_BEGIN	; follow with hex data
+				; this replaces any answer packet constructed
+				; with the SECTION keywords (only SECTION QUERY
+				; is used to match queries). If the data cannot
+				; be parsed, ADJUST rules for the answer packet
+				; are ignored. Only copy_id is done.
+	HEX_ANSWER_END
+	ENTRY_END
+
+
+ 	Example data file:
+$ORIGIN nlnetlabs.nl
+$TTL 3600
+
+ENTRY_BEGIN
+MATCH qname
+REPLY NOERROR
+ADJUST copy_id
+SECTION QUESTION
+www.nlnetlabs.nl.	IN	A
+SECTION ANSWER
+www.nlnetlabs.nl.	IN	A	195.169.215.155
+SECTION AUTHORITY
+nlnetlabs.nl.		IN	NS	www.nlnetlabs.nl.
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH qname
+REPLY NOERROR
+ADJUST copy_id
+SECTION QUESTION
+www2.nlnetlabs.nl.	IN	A
+HEX_ANSWER_BEGIN
+; 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19
+;-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
+ 00 bf 81 80 00 01 00 01 00 02 00 02 03 77 77 77 0b 6b 61 6e	;	   1-  20
+ 61 72 69 65 70 69 65 74 03 63 6f 6d 00 00 01 00 01 03 77 77	;	  21-  40
+ 77 0b 6b 61 6e 61 72 69 65 70 69 65 74 03 63 6f 6d 00 00 01	;	  41-  60
+ 00 01 00 01 50 8b 00 04 52 5e ed 32 0b 6b 61 6e 61 72 69 65	;	  61-  80
+ 70 69 65 74 03 63 6f 6d 00 00 02 00 01 00 01 50 8b 00 11 03	;	  81- 100
+ 6e 73 31 08 68 65 78 6f 6e 2d 69 73 02 6e 6c 00 0b 6b 61 6e	;	 101- 120
+ 61 72 69 65 70 69 65 74 03 63 6f 6d 00 00 02 00 01 00 01 50	;	 121- 140
+ 8b 00 11 03 6e 73 32 08 68 65 78 6f 6e 2d 69 73 02 6e 6c 00	;	 141- 160
+ 03 6e 73 31 08 68 65 78 6f 6e 2d 69 73 02 6e 6c 00 00 01 00	;	 161- 180
+ 01 00 00 46 53 00 04 52 5e ed 02 03 6e 73 32 08 68 65 78 6f	;	 181- 200
+ 6e 2d 69 73 02 6e 6c 00 00 01 00 01 00 00 46 53 00 04 d4 cc	;	 201- 220
+ db 5b
+HEX_ANSWER_END
+ENTRY_END
+
+
+
+   note that this file will link with your
+   void verbose(int level, char* format, ...); output function.
+*/
+
+/** Type of transport, since some entries match based on UDP or TCP of query */
+enum transport_type {transport_any = 0, transport_udp, transport_tcp };
+
+/** struct to keep a linked list of reply packets for a query */
+struct reply_packet {
+	/** next in list of reply packets, for TCP multiple pkts on wire */
+	struct reply_packet* next;
+	/** the reply pkt */
+	uint8_t* reply_pkt;
+	/** length of reply pkt */
+	size_t reply_len;
+	/** or reply pkt in hex if not parsable */
+	struct sldns_buffer* reply_from_hex;
+	/** seconds to sleep before giving packet */
+	unsigned int packet_sleep; 
+};
+
+/** data structure to keep the canned queries in.
+   format is the 'matching query' and the 'canned answer' */
+struct entry {
+	/* match */
+	/* How to match an incoming query with this canned reply */
+	/** match query opcode with answer opcode */
+	uint8_t match_opcode; 
+	/** match qtype with answer qtype */
+	uint8_t match_qtype;  
+	/** match qname with answer qname */
+	uint8_t match_qname;  
+	/** match qname as subdomain of answer qname */
+	uint8_t match_subdomain;  
+	/** match SOA serial number, from auth section */
+	uint8_t match_serial; 
+	/** match all of the packet */
+	uint8_t match_all;
+	/** match ttls in the packet */
+	uint8_t match_ttl;
+	/** match DO bit */
+	uint8_t match_do;
+	/** match absence of EDNS OPT record in query */
+	uint8_t match_noedns;
+	/** match query serial with this value. */
+	uint32_t ixfr_soa_serial; 
+	/** match on UDP/TCP */
+	enum transport_type match_transport; 
+
+	/** pre canned reply */
+	struct reply_packet *reply_list;
+
+	/** how to adjust the reply packet */
+	/** copy over the ID from the query into the answer */
+	uint8_t copy_id; 
+	/** copy the query nametypeclass from query into the answer */
+	uint8_t copy_query;
+	/** in seconds */
+	unsigned int sleeptime; 
+
+	/** some number that names this entry, line number in file or so */
+	int lineno;
+
+	/** next in list */
+	struct entry* next;
+};
+
+/**
+ * reads the canned reply file and returns a list of structs 
+ * does an exit on error.
+ * @param name: name of the file to read.
+ * @param skip_whitespace: skip leftside whitespace.
+ */
+struct entry* read_datafile(const char* name, int skip_whitespace);
+
+/**
+ * Delete linked list of entries.
+ */
+void delete_entry(struct entry* list);
+
+/**
+ * Read one entry from the data file.
+ * @param in: file to read from. Filepos must be at the start of a new line.
+ * @param name: name of the file for prettier errors.
+ * @param pstate: file parse state with lineno, default_ttl,
+ * 	oirigin and prev_rr name.
+ * @param skip_whitespace: skip leftside whitespace.
+ * @return: The entry read (malloced) or NULL if no entry could be read.
+ */
+struct entry* read_entry(FILE* in, const char* name, 
+	struct sldns_file_parse_state* pstate, int skip_whitespace);
+
+/**
+ * finds entry in list, or returns NULL.
+ */
+struct entry* find_match(struct entry* entries, uint8_t* query_pkt,
+	size_t query_pkt_len, enum transport_type transport);
+
+/**
+ * match two packets, all must match
+ * @param q: packet 1
+ * @param qlen: length of q.
+ * @param p: packet 2
+ * @param plen: length of p.
+ * @param mttl: if true, ttls must match, if false, ttls do not need to match
+ * @param noloc: if true, rrs may be reordered in their packet-section.
+ * 	rrs are then matches without location of the rr being important.
+ * @return true if matched.
+ */
+int match_all(uint8_t* q, size_t qlen, uint8_t* p, size_t plen, int mttl,
+	int noloc);
+
+/**
+ * copy & adjust packet, mallocs a copy.
+ */
+void adjust_packet(struct entry* match, uint8_t** answer_pkt,
+	size_t* answer_pkt_len, uint8_t* query_pkt, size_t query_pkt_len);
+
+/**
+ * Parses data buffer to a query, finds the correct answer 
+ * and calls the given function for every packet to send.
+ * if verbose_out filename is given, packets are dumped there.
+ * @param inbuf: the packet that came in
+ * @param inlen: length of packet.
+ * @param entries: entries read in from datafile.
+ * @param count: is increased to count number of queries answered.
+ * @param transport: set to UDP or TCP to match some types of entries.
+ * @param sendfunc: called to send answer (buffer, size, userarg).
+ * @param userdata: userarg to give to sendfunc.
+ * @param verbose_out: if not NULL, verbose messages are printed there.
+ */
+void handle_query(uint8_t* inbuf, ssize_t inlen, struct entry* entries, 
+	int* count, enum transport_type transport, 
+	void (*sendfunc)(uint8_t*, size_t, void*), void* userdata,
+	FILE* verbose_out);
+
+#endif /* TESTPKTS_H */