Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 485 insertions, 0 deletions

diff --git a/bin/dig/include/dig/dig.h b/bin/dig/include/dig/dig.h
new file mode 100644
index 0000000..cc37c55
--- /dev/null
+++ b/bin/dig/include/dig/dig.h
@@ -0,0 +1,485 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#ifndef DIG_H
+#define DIG_H
+
+/*! \file */
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include <dns/rdatalist.h>
+
+#include <dst/dst.h>
+
+#include <isc/buffer.h>
+#include <isc/bufferlist.h>
+#include <isc/formatcheck.h>
+#include <isc/lang.h>
+#include <isc/list.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/sockaddr.h>
+#include <isc/socket.h>
+
+#define MXSERV 20
+#define MXNAME (DNS_NAME_MAXTEXT+1)
+#define MXRD 32
+/*% Buffer Size */
+#define BUFSIZE 512
+#define COMMSIZE 0xffff
+#ifndef RESOLV_CONF
+/*% location of resolve.conf */
+#define RESOLV_CONF "/etc/resolv.conf"
+#endif
+/*% output buffer */
+#define OUTPUTBUF 32767
+/*% Max RR Limit */
+#define MAXRRLIMIT 0xffffffff
+#define MAXTIMEOUT 0xffff
+/*% Max number of tries */
+#define MAXTRIES 0xffffffff
+/*% Max number of dots */
+#define MAXNDOTS 0xffff
+/*% Max number of ports */
+#define MAXPORT 0xffff
+/*% Max serial number */
+#define MAXSERIAL 0xffffffff
+
+/*% Default TCP Timeout */
+#define TCP_TIMEOUT 10
+/*% Default UDP Timeout */
+#define UDP_TIMEOUT 5
+
+#define SERVER_TIMEOUT 1
+
+#define LOOKUP_LIMIT 64
+/*%
+ * Lookup_limit is just a limiter, keeping too many lookups from being
+ * created.  It's job is mainly to prevent the program from running away
+ * in a tight loop of constant lookups.  It's value is arbitrary.
+ */
+
+/*
+ * Defaults for the sigchase suboptions.  Consolidated here because
+ * these control the layout of dig_lookup_t (among other things).
+ */
+#ifdef DIG_SIGCHASE
+#ifndef DIG_SIGCHASE_BU
+#define DIG_SIGCHASE_BU 1
+#endif
+#ifndef DIG_SIGCHASE_TD
+#define DIG_SIGCHASE_TD 1
+#endif
+#endif
+
+ISC_LANG_BEGINDECLS
+
+typedef struct dig_lookup dig_lookup_t;
+typedef struct dig_query dig_query_t;
+typedef struct dig_server dig_server_t;
+#ifdef DIG_SIGCHASE
+typedef struct dig_message dig_message_t;
+#endif
+typedef ISC_LIST(dig_server_t) dig_serverlist_t;
+typedef struct dig_searchlist dig_searchlist_t;
+
+/*% The dig_lookup structure */
+struct dig_lookup {
+	bool
+		pending, /*%< Pending a successful answer */
+		waiting_connect,
+		doing_xfr,
+		ns_search_only, /*%< dig +nssearch, host -C */
+		identify, /*%< Append an "on server <foo>" message */
+		identify_previous_line, /*% Prepend a "Nameserver <foo>:"
+					   message, with newline and tab */
+		ignore,
+		recurse,
+		aaonly,
+		adflag,
+		cdflag,
+		zflag,
+		trace, /*% dig +trace */
+		trace_root, /*% initial query for either +trace or +nssearch */
+		tcp_mode,
+		tcp_mode_set,
+		ip6_int,
+		comments,
+		stats,
+		section_question,
+		section_answer,
+		section_authority,
+		section_additional,
+		servfail_stops,
+		new_search,
+		need_search,
+		done_as_is,
+		besteffort,
+		dnssec,
+		expire,
+		sendcookie,
+		seenbadcookie,
+		badcookie,
+		nsid,   /*% Name Server ID (RFC 5001) */
+		header_only,
+		ednsneg,
+		mapped,
+		print_unknown_format,
+		idnin,
+		idnout;
+#ifdef DIG_SIGCHASE
+bool	sigchase;
+#if DIG_SIGCHASE_TD
+	bool do_topdown,
+		trace_root_sigchase,
+		rdtype_sigchaseset,
+		rdclass_sigchaseset;
+	/* Name we are going to validate RRset */
+	char textnamesigchase[MXNAME];
+#endif
+#endif
+
+	char textname[MXNAME]; /*% Name we're going to be looking up */
+	char cmdline[MXNAME];
+	dns_rdatatype_t rdtype;
+	dns_rdatatype_t qrdtype;
+#if DIG_SIGCHASE_TD
+	dns_rdatatype_t rdtype_sigchase;
+	dns_rdatatype_t qrdtype_sigchase;
+	dns_rdataclass_t rdclass_sigchase;
+#endif
+	dns_rdataclass_t rdclass;
+	bool rdtypeset;
+	bool rdclassset;
+	char name_space[BUFSIZE];
+	char oname_space[BUFSIZE];
+	isc_buffer_t namebuf;
+	isc_buffer_t onamebuf;
+	isc_buffer_t renderbuf;
+	char *sendspace;
+	dns_name_t *name;
+	isc_interval_t interval;
+	dns_message_t *sendmsg;
+	dns_name_t *oname;
+	ISC_LINK(dig_lookup_t) link;
+	ISC_LIST(dig_query_t) q;
+	ISC_LIST(dig_query_t) connecting;
+	dig_query_t *current_query;
+	dig_serverlist_t my_server_list;
+	dig_searchlist_t *origin;
+	dig_query_t *xfr_q;
+	uint32_t retries;
+	int nsfound;
+	uint16_t udpsize;
+	int16_t edns;
+	uint32_t ixfr_serial;
+	isc_buffer_t rdatabuf;
+	char rdatastore[MXNAME];
+	dst_context_t *tsigctx;
+	isc_buffer_t *querysig;
+	uint32_t msgcounter;
+	dns_fixedname_t fdomain;
+	isc_sockaddr_t *ecs_addr;
+	char *cookie;
+	dns_ednsopt_t *ednsopts;
+	unsigned int ednsoptscnt;
+	isc_dscp_t dscp;
+	unsigned int ednsflags;
+	dns_opcode_t opcode;
+	unsigned int eoferr;
+};
+
+/*% The dig_query structure */
+struct dig_query {
+	dig_lookup_t *lookup;
+	bool waiting_connect,
+		pending_free,
+		waiting_senddone,
+		first_pass,
+		first_soa_rcvd,
+		second_rr_rcvd,
+		first_repeat_rcvd,
+		recv_made,
+		warn_id,
+		timedout;
+	uint32_t first_rr_serial;
+	uint32_t second_rr_serial;
+	uint32_t msg_count;
+	uint32_t rr_count;
+	bool ixfr_axfr;
+	char *servname;
+	char *userarg;
+	isc_bufferlist_t sendlist,
+		recvlist,
+		lengthlist;
+	isc_buffer_t recvbuf,
+		lengthbuf,
+		slbuf;
+	char *recvspace,
+		lengthspace[4],
+		slspace[4];
+	isc_socket_t *sock;
+	ISC_LINK(dig_query_t) link;
+	ISC_LINK(dig_query_t) clink;
+	isc_sockaddr_t sockaddr;
+	isc_time_t time_sent;
+	isc_time_t time_recv;
+	uint64_t byte_count;
+	isc_buffer_t sendbuf;
+	isc_timer_t *timer;
+};
+
+struct dig_server {
+	char servername[MXNAME];
+	char userarg[MXNAME];
+	ISC_LINK(dig_server_t) link;
+};
+
+struct dig_searchlist {
+	char origin[MXNAME];
+	ISC_LINK(dig_searchlist_t) link;
+};
+#ifdef DIG_SIGCHASE
+struct dig_message {
+		dns_message_t *msg;
+		ISC_LINK(dig_message_t) link;
+};
+#endif
+
+typedef ISC_LIST(dig_searchlist_t) dig_searchlistlist_t;
+typedef ISC_LIST(dig_lookup_t) dig_lookuplist_t;
+
+/*
+ * Externals from dighost.c
+ */
+
+extern dig_lookuplist_t lookup_list;
+extern dig_serverlist_t server_list;
+extern dig_searchlistlist_t search_list;
+extern unsigned int extrabytes;
+
+extern bool check_ra, have_ipv4, have_ipv6, specified_source,
+	usesearch, showsearch, qr;
+extern in_port_t port;
+extern unsigned int timeout;
+extern isc_mem_t *mctx;
+extern int sendcount;
+extern int ndots;
+extern int lookup_counter;
+extern int exitcode;
+extern isc_sockaddr_t bind_address;
+extern char keynametext[MXNAME];
+extern char keyfile[MXNAME];
+extern char keysecret[MXNAME];
+extern dns_name_t *hmacname;
+extern unsigned int digestbits;
+#ifdef DIG_SIGCHASE
+extern char trustedkey[MXNAME];
+#endif
+extern dns_tsigkey_t *tsigkey;
+extern bool validated;
+extern isc_taskmgr_t *taskmgr;
+extern isc_task_t *global_task;
+extern bool free_now;
+extern bool debugging, debugtiming, memdebugging;
+extern bool keep_open;
+
+extern char *progname;
+extern int tries;
+extern int fatalexit;
+extern bool verbose;
+#ifdef WITH_IDNKIT
+extern int idnoptions;
+#endif
+
+/*
+ * Routines in dighost.c.
+ */
+isc_result_t
+get_address(char *host, in_port_t myport, isc_sockaddr_t *sockaddr);
+
+int
+getaddresses(dig_lookup_t *lookup, const char *host, isc_result_t *resultp);
+
+isc_result_t
+get_reverse(char *reverse, size_t len, char *value, bool ip6_int,
+	    bool strict);
+
+ISC_PLATFORM_NORETURN_PRE void
+fatal(const char *format, ...)
+ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST;
+
+void
+debug(const char *format, ...) ISC_FORMAT_PRINTF(1, 2);
+
+void
+check_result(isc_result_t result, const char *msg);
+
+bool
+setup_lookup(dig_lookup_t *lookup);
+
+void
+destroy_lookup(dig_lookup_t *lookup);
+
+void
+do_lookup(dig_lookup_t *lookup);
+
+void
+start_lookup(void);
+
+void
+onrun_callback(isc_task_t *task, isc_event_t *event);
+
+int
+dhmain(int argc, char **argv);
+
+void
+setup_libs(void);
+
+void
+setup_system(bool ipv4only, bool ipv6only);
+
+isc_result_t
+parse_uint(uint32_t *uip, const char *value, uint32_t max,
+	   const char *desc);
+
+isc_result_t
+parse_xint(uint32_t *uip, const char *value, uint32_t max,
+	   const char *desc);
+
+isc_result_t
+parse_netprefix(isc_sockaddr_t **sap, const char *value);
+
+void
+parse_hmac(const char *hmacstr);
+
+dig_lookup_t *
+requeue_lookup(dig_lookup_t *lookold, bool servers);
+
+dig_lookup_t *
+make_empty_lookup(void);
+
+dig_lookup_t *
+clone_lookup(dig_lookup_t *lookold, bool servers);
+
+dig_server_t *
+make_server(const char *servname, const char *userarg);
+
+void
+flush_server_list(void);
+
+void
+set_nameserver(char *opt);
+
+void
+clone_server_list(dig_serverlist_t src,
+		  dig_serverlist_t *dest);
+
+void
+cancel_all(void);
+
+void
+destroy_libs(void);
+
+void
+set_search_domain(char *domain);
+
+#ifdef DIG_SIGCHASE
+void
+clean_trustedkey(void);
+#endif
+
+char *
+next_token(char **stringp, const char *delim);
+
+/*
+ * Routines to be defined in dig.c, host.c, and nslookup.c. and
+ * then assigned to the appropriate function pointer
+ */
+#ifdef DIG_SIGCHASE
+extern isc_result_t
+(*dighost_printrdataset)(dns_name_t *owner_name, dns_rdataset_t *rdataset,
+	      isc_buffer_t *target);
+#endif
+
+extern isc_result_t
+(*dighost_printmessage)(dig_query_t *query, dns_message_t *msg, bool headers);
+/*%<
+ * Print the final result of the lookup.
+ */
+
+extern void
+(*dighost_received)(unsigned int bytes, isc_sockaddr_t *from, dig_query_t *query);
+/*%<
+ * Print a message about where and when the response
+ * was received from, like the final comment in the
+ * output of "dig".
+ */
+
+extern void
+(*dighost_trying)(char *frm, dig_lookup_t *lookup);
+
+extern void
+(*dighost_shutdown)(void);
+
+#ifdef DIG_SIGCHASE
+/* Chasing functions */
+dns_rdataset_t *
+chase_scanname(dns_name_t *name, dns_rdatatype_t type, dns_rdatatype_t covers);
+void
+chase_sig(dns_message_t *msg);
+#endif
+
+void save_opt(dig_lookup_t *lookup, char *code, char *value);
+
+void setup_file_key(void);
+void setup_text_key(void);
+
+/*
+ * Routines exported from dig.c for use by dig for iOS
+ */
+
+/*%<
+ * Call once only to set up libraries, parse global
+ * parameters and initial command line query parameters
+ */
+void
+dig_setup(int argc, char **argv);
+
+/*%<
+ * Call to supply new parameters for the next lookup
+ */
+void
+dig_query_setup(bool, bool, int argc, char **argv);
+
+/*%<
+ * set the main application event cycle running
+ */
+void
+dig_startup(void);
+
+/*%<
+ * Initiates the next lookup cycle
+ */
+void
+dig_query_start(void);
+
+/*%<
+ * Cleans up the application
+ */
+void
+dig_shutdown(void);
+
+ISC_LANG_ENDDECLS
+
+#endif