diff options
Diffstat (limited to 'contrib/bind9/bin/dig/host.c')
| -rw-r--r-- | contrib/bind9/bin/dig/host.c | 861 |
1 files changed, 0 insertions, 861 deletions
diff --git a/contrib/bind9/bin/dig/host.c b/contrib/bind9/bin/dig/host.c deleted file mode 100644 index 33025d5..0000000 --- a/contrib/bind9/bin/dig/host.c +++ /dev/null @@ -1,861 +0,0 @@ -/* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2000-2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: host.c,v 1.94.18.19 2007/08/28 07:19:55 tbox Exp $ */ - -/*! \file */ - -#include <config.h> -#include <stdlib.h> -#include <limits.h> - -#ifdef HAVE_LOCALE_H -#include <locale.h> -#endif - -#ifdef WITH_IDN -#include <idn/result.h> -#include <idn/log.h> -#include <idn/resconf.h> -#include <idn/api.h> -#endif - -#include <isc/app.h> -#include <isc/commandline.h> -#include <isc/netaddr.h> -#include <isc/print.h> -#include <isc/string.h> -#include <isc/util.h> -#include <isc/task.h> -#include <isc/stdlib.h> - -#include <dns/byaddr.h> -#include <dns/fixedname.h> -#include <dns/message.h> -#include <dns/name.h> -#include <dns/rdata.h> -#include <dns/rdataclass.h> -#include <dns/rdataset.h> -#include <dns/rdatatype.h> -#include <dns/rdatastruct.h> - -#include <dig/dig.h> - -static isc_boolean_t short_form = ISC_TRUE, listed_server = ISC_FALSE; -static isc_boolean_t default_lookups = ISC_TRUE; -static int seen_error = -1; -static isc_boolean_t list_addresses = ISC_TRUE; -static dns_rdatatype_t list_type = dns_rdatatype_a; -static isc_boolean_t printed_server = ISC_FALSE; - -static const char *opcodetext[] = { - "QUERY", - "IQUERY", - "STATUS", - "RESERVED3", - "NOTIFY", - "UPDATE", - "RESERVED6", - "RESERVED7", - "RESERVED8", - "RESERVED9", - "RESERVED10", - "RESERVED11", - "RESERVED12", - "RESERVED13", - "RESERVED14", - "RESERVED15" -}; - -static const char *rcodetext[] = { - "NOERROR", - "FORMERR", - "SERVFAIL", - "NXDOMAIN", - "NOTIMP", - "REFUSED", - "YXDOMAIN", - "YXRRSET", - "NXRRSET", - "NOTAUTH", - "NOTZONE", - "RESERVED11", - "RESERVED12", - "RESERVED13", - "RESERVED14", - "RESERVED15", - "BADVERS" -}; - -struct rtype { - unsigned int type; - const char *text; -}; - -struct rtype rtypes[] = { - { 1, "has address" }, - { 2, "name server" }, - { 5, "is an alias for" }, - { 11, "has well known services" }, - { 12, "domain name pointer" }, - { 13, "host information" }, - { 15, "mail is handled by" }, - { 16, "descriptive text" }, - { 19, "x25 address" }, - { 20, "ISDN address" }, - { 24, "has signature" }, - { 25, "has key" }, - { 28, "has IPv6 address" }, - { 29, "location" }, - { 0, NULL } -}; - -static void -show_usage(void) { - fputs( -"Usage: host [-aCdlriTwv] [-c class] [-N ndots] [-t type] [-W time]\n" -" [-R number] [-m flag] hostname [server]\n" -" -a is equivalent to -v -t ANY\n" -" -c specifies query class for non-IN data\n" -" -C compares SOA records on authoritative nameservers\n" -" -d is equivalent to -v\n" -" -l lists all hosts in a domain, using AXFR\n" -" -i IP6.INT reverse lookups\n" -" -N changes the number of dots allowed before root lookup is done\n" -" -r disables recursive processing\n" -" -R specifies number of retries for UDP packets\n" -" -s a SERVFAIL response should stop query\n" -" -t specifies the query type\n" -" -T enables TCP/IP mode\n" -" -v enables verbose output\n" -" -w specifies to wait forever for a reply\n" -" -W specifies how long to wait for a reply\n" -" -4 use IPv4 query transport only\n" -" -6 use IPv6 query transport only\n" -" -m set memory debugging flag (trace|record|usage)\n", stderr); - exit(1); -} - -void -dighost_shutdown(void) { - isc_app_shutdown(); -} - -void -received(int bytes, isc_sockaddr_t *from, dig_query_t *query) { - isc_time_t now; - int diff; - - if (!short_form) { - char fromtext[ISC_SOCKADDR_FORMATSIZE]; - isc_sockaddr_format(from, fromtext, sizeof(fromtext)); - TIME_NOW(&now); - diff = (int) isc_time_microdiff(&now, &query->time_sent); - printf("Received %u bytes from %s in %d ms\n", - bytes, fromtext, diff/1000); - } -} - -void -trying(char *frm, dig_lookup_t *lookup) { - UNUSED(lookup); - - if (!short_form) - printf("Trying \"%s\"\n", frm); -} - -static void -say_message(dns_name_t *name, const char *msg, dns_rdata_t *rdata, - dig_query_t *query) -{ - isc_buffer_t *b = NULL; - char namestr[DNS_NAME_FORMATSIZE]; - isc_region_t r; - isc_result_t result; - unsigned int bufsize = BUFSIZ; - - dns_name_format(name, namestr, sizeof(namestr)); - retry: - result = isc_buffer_allocate(mctx, &b, bufsize); - check_result(result, "isc_buffer_allocate"); - result = dns_rdata_totext(rdata, NULL, b); - if (result == ISC_R_NOSPACE) { - isc_buffer_free(&b); - bufsize *= 2; - goto retry; - } - check_result(result, "dns_rdata_totext"); - isc_buffer_usedregion(b, &r); - if (query->lookup->identify_previous_line) { - printf("Nameserver %s:\n\t", - query->servname); - } - printf("%s %s %.*s", namestr, - msg, (int)r.length, (char *)r.base); - if (query->lookup->identify) { - printf(" on server %s", query->servname); - } - printf("\n"); - isc_buffer_free(&b); -} -#ifdef DIG_SIGCHASE -/* Just for compatibility : not use in host program */ -isc_result_t -printrdataset(dns_name_t *owner_name, dns_rdataset_t *rdataset, - isc_buffer_t *target) -{ - UNUSED(owner_name); - UNUSED(rdataset); - UNUSED(target); - return(ISC_FALSE); -} -#endif -static isc_result_t -printsection(dns_message_t *msg, dns_section_t sectionid, - const char *section_name, isc_boolean_t headers, - dig_query_t *query) -{ - dns_name_t *name, *print_name; - dns_rdataset_t *rdataset; - dns_rdata_t rdata = DNS_RDATA_INIT; - isc_buffer_t target; - isc_result_t result, loopresult; - isc_region_t r; - dns_name_t empty_name; - char t[4096]; - isc_boolean_t first; - isc_boolean_t no_rdata; - - if (sectionid == DNS_SECTION_QUESTION) - no_rdata = ISC_TRUE; - else - no_rdata = ISC_FALSE; - - if (headers) - printf(";; %s SECTION:\n", section_name); - - dns_name_init(&empty_name, NULL); - - result = dns_message_firstname(msg, sectionid); - if (result == ISC_R_NOMORE) - return (ISC_R_SUCCESS); - else if (result != ISC_R_SUCCESS) - return (result); - - for (;;) { - name = NULL; - dns_message_currentname(msg, sectionid, &name); - - isc_buffer_init(&target, t, sizeof(t)); - first = ISC_TRUE; - print_name = name; - - for (rdataset = ISC_LIST_HEAD(name->list); - rdataset != NULL; - rdataset = ISC_LIST_NEXT(rdataset, link)) { - if (query->lookup->rdtype == dns_rdatatype_axfr && - !((!list_addresses && - (list_type == dns_rdatatype_any || - rdataset->type == list_type)) || - (list_addresses && - (rdataset->type == dns_rdatatype_a || - rdataset->type == dns_rdatatype_aaaa || - rdataset->type == dns_rdatatype_ns || - rdataset->type == dns_rdatatype_ptr)))) - continue; - if (!short_form) { - result = dns_rdataset_totext(rdataset, - print_name, - ISC_FALSE, - no_rdata, - &target); - if (result != ISC_R_SUCCESS) - return (result); -#ifdef USEINITALWS - if (first) { - print_name = &empty_name; - first = ISC_FALSE; - } -#else - UNUSED(first); /* Shut up compiler. */ -#endif - } else { - loopresult = dns_rdataset_first(rdataset); - while (loopresult == ISC_R_SUCCESS) { - struct rtype *t; - const char *rtt; - char typebuf[DNS_RDATATYPE_FORMATSIZE]; - char typebuf2[DNS_RDATATYPE_FORMATSIZE - + 20]; - dns_rdataset_current(rdataset, &rdata); - - for (t = rtypes; t->text != NULL; t++) { - if (t->type == rdata.type) { - rtt = t->text; - goto found; - } - } - - dns_rdatatype_format(rdata.type, - typebuf, - sizeof(typebuf)); - snprintf(typebuf2, sizeof(typebuf2), - "has %s record", typebuf); - rtt = typebuf2; - found: - say_message(print_name, rtt, - &rdata, query); - dns_rdata_reset(&rdata); - loopresult = - dns_rdataset_next(rdataset); - } - } - } - if (!short_form) { - isc_buffer_usedregion(&target, &r); - if (no_rdata) - printf(";%.*s", (int)r.length, - (char *)r.base); - else - printf("%.*s", (int)r.length, (char *)r.base); - } - - result = dns_message_nextname(msg, sectionid); - if (result == ISC_R_NOMORE) - break; - else if (result != ISC_R_SUCCESS) - return (result); - } - - return (ISC_R_SUCCESS); -} - -static isc_result_t -printrdata(dns_message_t *msg, dns_rdataset_t *rdataset, dns_name_t *owner, - const char *set_name, isc_boolean_t headers) -{ - isc_buffer_t target; - isc_result_t result; - isc_region_t r; - char t[4096]; - - UNUSED(msg); - if (headers) - printf(";; %s SECTION:\n", set_name); - - isc_buffer_init(&target, t, sizeof(t)); - - result = dns_rdataset_totext(rdataset, owner, ISC_FALSE, ISC_FALSE, - &target); - if (result != ISC_R_SUCCESS) - return (result); - isc_buffer_usedregion(&target, &r); - printf("%.*s", (int)r.length, (char *)r.base); - - return (ISC_R_SUCCESS); -} - -static void -chase_cnamechain(dns_message_t *msg, dns_name_t *qname) { - isc_result_t result; - dns_rdataset_t *rdataset; - dns_rdata_cname_t cname; - dns_rdata_t rdata = DNS_RDATA_INIT; - unsigned int i = msg->counts[DNS_SECTION_ANSWER]; - - while (i-- > 0) { - rdataset = NULL; - result = dns_message_findname(msg, DNS_SECTION_ANSWER, qname, - dns_rdatatype_cname, 0, NULL, - &rdataset); - if (result != ISC_R_SUCCESS) - return; - result = dns_rdataset_first(rdataset); - check_result(result, "dns_rdataset_first"); - dns_rdata_reset(&rdata); - dns_rdataset_current(rdataset, &rdata); - result = dns_rdata_tostruct(&rdata, &cname, NULL); - check_result(result, "dns_rdata_tostruct"); - dns_name_copy(&cname.cname, qname, NULL); - dns_rdata_freestruct(&cname); - } -} - -isc_result_t -printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { - isc_boolean_t did_flag = ISC_FALSE; - dns_rdataset_t *opt, *tsig = NULL; - dns_name_t *tsigname; - isc_result_t result = ISC_R_SUCCESS; - int force_error; - - UNUSED(headers); - - /* - * We get called multiple times. - * Preserve any existing error status. - */ - force_error = (seen_error == 1) ? 1 : 0; - seen_error = 1; - if (listed_server && !printed_server) { - char sockstr[ISC_SOCKADDR_FORMATSIZE]; - - printf("Using domain server:\n"); - printf("Name: %s\n", query->userarg); - isc_sockaddr_format(&query->sockaddr, sockstr, - sizeof(sockstr)); - printf("Address: %s\n", sockstr); - printf("Aliases: \n\n"); - printed_server = ISC_TRUE; - } - - if (msg->rcode != 0) { - char namestr[DNS_NAME_FORMATSIZE]; - dns_name_format(query->lookup->name, namestr, sizeof(namestr)); - printf("Host %s not found: %d(%s)\n", - (msg->rcode != dns_rcode_nxdomain) ? namestr : - query->lookup->textname, msg->rcode, - rcodetext[msg->rcode]); - return (ISC_R_SUCCESS); - } - - if (default_lookups && query->lookup->rdtype == dns_rdatatype_a) { - char namestr[DNS_NAME_FORMATSIZE]; - dig_lookup_t *lookup; - dns_fixedname_t fixed; - dns_name_t *name; - - /* Add AAAA and MX lookups. */ - dns_fixedname_init(&fixed); - name = dns_fixedname_name(&fixed); - dns_name_copy(query->lookup->name, name, NULL); - chase_cnamechain(msg, name); - dns_name_format(name, namestr, sizeof(namestr)); - lookup = clone_lookup(query->lookup, ISC_FALSE); - if (lookup != NULL) { - strncpy(lookup->textname, namestr, - sizeof(lookup->textname)); - lookup->textname[sizeof(lookup->textname)-1] = 0; - lookup->rdtype = dns_rdatatype_aaaa; - lookup->rdtypeset = ISC_TRUE; - lookup->origin = NULL; - lookup->retries = tries; - ISC_LIST_APPEND(lookup_list, lookup, link); - } - lookup = clone_lookup(query->lookup, ISC_FALSE); - if (lookup != NULL) { - strncpy(lookup->textname, namestr, - sizeof(lookup->textname)); - lookup->textname[sizeof(lookup->textname)-1] = 0; - lookup->rdtype = dns_rdatatype_mx; - lookup->rdtypeset = ISC_TRUE; - lookup->origin = NULL; - lookup->retries = tries; - ISC_LIST_APPEND(lookup_list, lookup, link); - } - } - - if (!short_form) { - printf(";; ->>HEADER<<- opcode: %s, status: %s, id: %u\n", - opcodetext[msg->opcode], rcodetext[msg->rcode], - msg->id); - printf(";; flags: "); - if ((msg->flags & DNS_MESSAGEFLAG_QR) != 0) { - printf("qr"); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_AA) != 0) { - printf("%saa", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) { - printf("%stc", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_RD) != 0) { - printf("%srd", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_RA) != 0) { - printf("%sra", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_AD) != 0) { - printf("%sad", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - if ((msg->flags & DNS_MESSAGEFLAG_CD) != 0) { - printf("%scd", did_flag ? " " : ""); - did_flag = ISC_TRUE; - } - printf("; QUERY: %u, ANSWER: %u, " - "AUTHORITY: %u, ADDITIONAL: %u\n", - msg->counts[DNS_SECTION_QUESTION], - msg->counts[DNS_SECTION_ANSWER], - msg->counts[DNS_SECTION_AUTHORITY], - msg->counts[DNS_SECTION_ADDITIONAL]); - opt = dns_message_getopt(msg); - if (opt != NULL) - printf(";; EDNS: version: %u, udp=%u\n", - (unsigned int)((opt->ttl & 0x00ff0000) >> 16), - (unsigned int)opt->rdclass); - tsigname = NULL; - tsig = dns_message_gettsig(msg, &tsigname); - if (tsig != NULL) - printf(";; PSEUDOSECTIONS: TSIG\n"); - } - if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_QUESTION]) && - !short_form) { - printf("\n"); - result = printsection(msg, DNS_SECTION_QUESTION, "QUESTION", - ISC_TRUE, query); - if (result != ISC_R_SUCCESS) - return (result); - } - if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_ANSWER])) { - if (!short_form) - printf("\n"); - result = printsection(msg, DNS_SECTION_ANSWER, "ANSWER", - ISC_TF(!short_form), query); - if (result != ISC_R_SUCCESS) - return (result); - } - - if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_AUTHORITY]) && - !short_form) { - printf("\n"); - result = printsection(msg, DNS_SECTION_AUTHORITY, "AUTHORITY", - ISC_TRUE, query); - if (result != ISC_R_SUCCESS) - return (result); - } - if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_ADDITIONAL]) && - !short_form) { - printf("\n"); - result = printsection(msg, DNS_SECTION_ADDITIONAL, - "ADDITIONAL", ISC_TRUE, query); - if (result != ISC_R_SUCCESS) - return (result); - } - if ((tsig != NULL) && !short_form) { - printf("\n"); - result = printrdata(msg, tsig, tsigname, - "PSEUDOSECTION TSIG", ISC_TRUE); - if (result != ISC_R_SUCCESS) - return (result); - } - if (!short_form) - printf("\n"); - - if (short_form && !default_lookups && - ISC_LIST_EMPTY(msg->sections[DNS_SECTION_ANSWER])) { - char namestr[DNS_NAME_FORMATSIZE]; - char typestr[DNS_RDATATYPE_FORMATSIZE]; - dns_name_format(query->lookup->name, namestr, sizeof(namestr)); - dns_rdatatype_format(query->lookup->rdtype, typestr, - sizeof(typestr)); - printf("%s has no %s record\n", namestr, typestr); - } - seen_error = force_error; - return (result); -} - -static const char * optstring = "46ac:dilnm:rst:vwCDN:R:TW:"; - -static void -pre_parse_args(int argc, char **argv) { - int c; - - while ((c = isc_commandline_parse(argc, argv, optstring)) != -1) { - switch (c) { - case 'm': - memdebugging = ISC_TRUE; - if (strcasecmp("trace", isc_commandline_argument) == 0) - isc_mem_debugging |= ISC_MEM_DEBUGTRACE; - else if (!strcasecmp("record", - isc_commandline_argument) == 0) - isc_mem_debugging |= ISC_MEM_DEBUGRECORD; - else if (strcasecmp("usage", - isc_commandline_argument) == 0) - isc_mem_debugging |= ISC_MEM_DEBUGUSAGE; - break; - - case '4': break; - case '6': break; - case 'a': break; - case 'c': break; - case 'd': break; - case 'i': break; - case 'l': break; - case 'n': break; - case 'r': break; - case 's': break; - case 't': break; - case 'v': break; - case 'w': break; - case 'C': break; - case 'D': break; - case 'N': break; - case 'R': break; - case 'T': break; - case 'W': break; - default: - show_usage(); - } - } - isc_commandline_reset = ISC_TRUE; - isc_commandline_index = 1; -} - -static void -parse_args(isc_boolean_t is_batchfile, int argc, char **argv) { - char hostname[MXNAME]; - dig_lookup_t *lookup; - int c; - char store[MXNAME]; - isc_textregion_t tr; - isc_result_t result = ISC_R_SUCCESS; - dns_rdatatype_t rdtype; - dns_rdataclass_t rdclass; - isc_uint32_t serial = 0; - - UNUSED(is_batchfile); - - lookup = make_empty_lookup(); - - lookup->servfail_stops = ISC_FALSE; - lookup->comments = ISC_FALSE; - - while ((c = isc_commandline_parse(argc, argv, optstring)) != -1) { - switch (c) { - case 'l': - lookup->tcp_mode = ISC_TRUE; - lookup->rdtype = dns_rdatatype_axfr; - lookup->rdtypeset = ISC_TRUE; - fatalexit = 3; - break; - case 'v': - case 'd': - short_form = ISC_FALSE; - break; - case 'r': - lookup->recurse = ISC_FALSE; - break; - case 't': - if (strncasecmp(isc_commandline_argument, - "ixfr=", 5) == 0) { - rdtype = dns_rdatatype_ixfr; - /* XXXMPA add error checking */ - serial = strtoul(isc_commandline_argument + 5, - NULL, 10); - result = ISC_R_SUCCESS; - } else { - tr.base = isc_commandline_argument; - tr.length = strlen(isc_commandline_argument); - result = dns_rdatatype_fromtext(&rdtype, - (isc_textregion_t *)&tr); - } - - if (result != ISC_R_SUCCESS) { - fatalexit = 2; - fatal("invalid type: %s\n", - isc_commandline_argument); - } - if (!lookup->rdtypeset || - lookup->rdtype != dns_rdatatype_axfr) - lookup->rdtype = rdtype; - lookup->rdtypeset = ISC_TRUE; -#ifdef WITH_IDN - idnoptions = 0; -#endif - if (rdtype == dns_rdatatype_axfr) { - /* -l -t any -v */ - list_type = dns_rdatatype_any; - short_form = ISC_FALSE; - lookup->tcp_mode = ISC_TRUE; - } else if (rdtype == dns_rdatatype_ixfr) { - lookup->ixfr_serial = serial; - list_type = rdtype; -#ifdef WITH_IDN - } else if (rdtype == dns_rdatatype_a || - rdtype == dns_rdatatype_aaaa || - rdtype == dns_rdatatype_mx) { - idnoptions = IDN_ASCCHECK; - list_type = rdtype; -#endif - } else - list_type = rdtype; - list_addresses = ISC_FALSE; - default_lookups = ISC_FALSE; - break; - case 'c': - tr.base = isc_commandline_argument; - tr.length = strlen(isc_commandline_argument); - result = dns_rdataclass_fromtext(&rdclass, - (isc_textregion_t *)&tr); - - if (result != ISC_R_SUCCESS) { - fatalexit = 2; - fatal("invalid class: %s\n", - isc_commandline_argument); - } else { - lookup->rdclass = rdclass; - lookup->rdclassset = ISC_TRUE; - } - default_lookups = ISC_FALSE; - break; - case 'a': - if (!lookup->rdtypeset || - lookup->rdtype != dns_rdatatype_axfr) - lookup->rdtype = dns_rdatatype_any; - list_type = dns_rdatatype_any; - list_addresses = ISC_FALSE; - lookup->rdtypeset = ISC_TRUE; - short_form = ISC_FALSE; - default_lookups = ISC_FALSE; - break; - case 'i': - lookup->ip6_int = ISC_TRUE; - break; - case 'n': - /* deprecated */ - break; - case 'm': - /* Handled by pre_parse_args(). */ - break; - case 'w': - /* - * The timer routines are coded such that - * timeout==MAXINT doesn't enable the timer - */ - timeout = INT_MAX; - break; - case 'W': - timeout = atoi(isc_commandline_argument); - if (timeout < 1) - timeout = 1; - break; - case 'R': - tries = atoi(isc_commandline_argument) + 1; - if (tries < 2) - tries = 2; - break; - case 'T': - lookup->tcp_mode = ISC_TRUE; - break; - case 'C': - debug("showing all SOAs"); - lookup->rdtype = dns_rdatatype_ns; - lookup->rdtypeset = ISC_TRUE; - lookup->rdclass = dns_rdataclass_in; - lookup->rdclassset = ISC_TRUE; - lookup->ns_search_only = ISC_TRUE; - lookup->trace_root = ISC_TRUE; - lookup->identify_previous_line = ISC_TRUE; - default_lookups = ISC_FALSE; - break; - case 'N': - debug("setting NDOTS to %s", - isc_commandline_argument); - ndots = atoi(isc_commandline_argument); - break; - case 'D': - debugging = ISC_TRUE; - break; - case '4': - if (have_ipv4) { - isc_net_disableipv6(); - have_ipv6 = ISC_FALSE; - } else - fatal("can't find IPv4 networking"); - break; - case '6': - if (have_ipv6) { - isc_net_disableipv4(); - have_ipv4 = ISC_FALSE; - } else - fatal("can't find IPv6 networking"); - break; - case 's': - lookup->servfail_stops = ISC_TRUE; - break; - } - } - - lookup->retries = tries; - - if (isc_commandline_index >= argc) - show_usage(); - - strncpy(hostname, argv[isc_commandline_index], sizeof(hostname)); - hostname[sizeof(hostname)-1]=0; - if (argc > isc_commandline_index + 1) { - set_nameserver(argv[isc_commandline_index+1]); - debug("server is %s", argv[isc_commandline_index+1]); - listed_server = ISC_TRUE; - } else - check_ra = ISC_TRUE; - - lookup->pending = ISC_FALSE; - if (get_reverse(store, sizeof(store), hostname, - lookup->ip6_int, ISC_TRUE) == ISC_R_SUCCESS) { - strncpy(lookup->textname, store, sizeof(lookup->textname)); - lookup->textname[sizeof(lookup->textname)-1] = 0; - lookup->rdtype = dns_rdatatype_ptr; - lookup->rdtypeset = ISC_TRUE; - default_lookups = ISC_FALSE; - } else { - strncpy(lookup->textname, hostname, sizeof(lookup->textname)); - lookup->textname[sizeof(lookup->textname)-1]=0; - } - lookup->new_search = ISC_TRUE; - ISC_LIST_APPEND(lookup_list, lookup, link); - - usesearch = ISC_TRUE; -} - -int -main(int argc, char **argv) { - isc_result_t result; - - tries = 2; - - ISC_LIST_INIT(lookup_list); - ISC_LIST_INIT(server_list); - ISC_LIST_INIT(search_list); - - fatalexit = 1; -#ifdef WITH_IDN - idnoptions = IDN_ASCCHECK; -#endif - - debug("main()"); - progname = argv[0]; - pre_parse_args(argc, argv); - result = isc_app_start(); - check_result(result, "isc_app_start"); - setup_libs(); - parse_args(ISC_FALSE, argc, argv); - setup_system(); - result = isc_app_onrun(mctx, global_task, onrun_callback, NULL); - check_result(result, "isc_app_onrun"); - isc_app_run(); - cancel_all(); - destroy_libs(); - isc_app_finish(); - return ((seen_error == 0) ? 0 : 1); -} |
