static void
addlookup(char *opt) {
dig_lookup_t *lookup;
isc_result_t result;
isc_textregion_t tr;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
char store[MXNAME];
debug("addlookup()");
tr.base = deftype;
tr.length = strlen(deftype);
result = dns_rdatatype_fromtext(&rdtype, &tr);
if (result != ISC_R_SUCCESS) {
printf("unknown query type: %s\n", deftype);
rdclass = dns_rdatatype_a;
}
tr.base = defclass;
tr.length = strlen(defclass);
result = dns_rdataclass_fromtext(&rdclass, &tr);
if (result != ISC_R_SUCCESS) {
printf("unknown query class: %s\n", defclass);
rdclass = dns_rdataclass_in;
}
lookup = make_empty_lookup();
if (get_reverse(store, sizeof(store), opt, lookup->ip6_int, ISC_TRUE)
== ISC_R_SUCCESS) {
safecpy(lookup->textname, store, sizeof(lookup->textname));
lookup->rdtype = dns_rdatatype_ptr;
lookup->rdtypeset = ISC_TRUE;
} else {
safecpy(lookup->textname, opt, sizeof(lookup->textname));
lookup->rdtype = rdtype;
lookup->rdtypeset = ISC_TRUE;
}
lookup->rdclass = rdclass;
lookup->rdclassset = ISC_TRUE;
lookup->trace = ISC_FALSE;
lookup->trace_root = lookup->trace;
lookup->ns_search_only = ISC_FALSE;
lookup->identify = identify;
lookup->recurse = recurse;
lookup->aaonly = aaonly;
lookup->retries = tries;
lookup->udpsize = 0;
lookup->comments = comments;
lookup->tcp_mode = tcpmode;
lookup->stats = stats;
lookup->section_question = section_question;
lookup->section_answer = section_answer;
lookup->section_authority = section_authority;
lookup->section_additional = section_additional;
lookup->new_search = ISC_TRUE;
ISC_LIST_INIT(lookup->q);
ISC_LINK_INIT(lookup, link);
ISC_LIST_APPEND(lookup_list, lookup, link);
lookup->origin = NULL;
ISC_LIST_INIT(lookup->my_server_list);
debug("looking up %s", lookup->textname);
}
/*% load the zone */
isc_result_t
load_zone(isc_mem_t *mctx, const char *zonename, const char *filename,
dns_masterformat_t fileformat, const char *classname,
dns_zone_t **zonep)
{
isc_result_t result;
dns_rdataclass_t rdclass;
isc_textregion_t region;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
dns_zone_t *zone = NULL;
REQUIRE(zonep == NULL || *zonep == NULL);
if (debug)
fprintf(stderr, "loading \"%s\" from \"%s\" class \"%s\"\n",
zonename, filename, classname);
CHECK(dns_zone_create(&zone, mctx));
dns_zone_settype(zone, dns_zone_master);
isc_buffer_init(&buffer, zonename, strlen(zonename));
isc_buffer_add(&buffer, strlen(zonename));
dns_fixedname_init(&fixorigin);
origin = dns_fixedname_name(&fixorigin);
CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, 0, NULL));
CHECK(dns_zone_setorigin(zone, origin));
CHECK(dns_zone_setdbtype(zone, 1, (const char * const *) dbtype));
CHECK(dns_zone_setfile2(zone, filename, fileformat));
DE_CONST(classname, region.base);
region.length = strlen(classname);
CHECK(dns_rdataclass_fromtext(&rdclass, ®ion));
dns_zone_setclass(zone, rdclass);
dns_zone_setoption(zone, zone_options, ISC_TRUE);
dns_zone_setoption(zone, DNS_ZONEOPT_NOMERGE, nomerge);
if (docheckmx)
dns_zone_setcheckmx(zone, checkmx);
if (docheckns)
dns_zone_setcheckns(zone, checkns);
if (dochecksrv)
dns_zone_setchecksrv(zone, checksrv);
CHECK(dns_zone_load(zone));
if (zonep != NULL) {
*zonep = zone;
zone = NULL;
}
cleanup:
if (zone != NULL)
dns_zone_detach(&zone);
return (result);
}
static void
setup(const char *zonename, const char *filename, const char *classname) {
isc_result_t result;
dns_rdataclass_t rdclass;
isc_consttextregion_t region;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
const char *rbt = "rbt";
if (debug)
fprintf(stderr, "loading \"%s\" from \"%s\" class \"%s\"\n",
zonename, filename, classname);
result = dns_zone_create(&zone, mctx);
ERRRET(result, "dns_zone_new");
dns_zone_settype(zone, zonetype);
isc_buffer_init(&buffer, zonename, strlen(zonename));
isc_buffer_add(&buffer, strlen(zonename));
dns_fixedname_init(&fixorigin);
result = dns_name_fromtext(dns_fixedname_name(&fixorigin),
&buffer, dns_rootname, 0, NULL);
ERRRET(result, "dns_name_fromtext");
origin = dns_fixedname_name(&fixorigin);
result = dns_zone_setorigin(zone, origin);
ERRRET(result, "dns_zone_setorigin");
result = dns_zone_setdbtype(zone, 1, &rbt);
ERRRET(result, "dns_zone_setdatabase");
result = dns_zone_setfile(zone, filename);
ERRRET(result, "dns_zone_setfile");
region.base = classname;
region.length = strlen(classname);
result = dns_rdataclass_fromtext(&rdclass,
(isc_textregion_t *)(void*)®ion);
ERRRET(result, "dns_rdataclass_fromtext");
dns_zone_setclass(zone, rdclass);
if (zonetype == dns_zone_slave)
dns_zone_setmasters(zone, &addr, 1);
result = dns_zone_load(zone);
ERRRET(result, "dns_zone_load");
result = dns_zonemgr_managezone(zonemgr, zone);
ERRRET(result, "dns_zonemgr_managezone");
}
static isc_result_t
config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
dns_rdataclass_t *classp)
{
isc_textregion_t r;
if (!cfg_obj_isstring(classobj)) {
*classp = defclass;
return (ISC_R_SUCCESS);
}
DE_CONST(cfg_obj_asstring(classobj), r.base);
r.length = strlen(r.base);
return (dns_rdataclass_fromtext(classp, &r));
}
dns_rdataclass_t
strtoclass(const char *str) {
isc_textregion_t r;
dns_rdataclass_t rdclass;
isc_result_t ret;
if (str == NULL)
return dns_rdataclass_in;
DE_CONST(str, r.base);
r.length = strlen(str);
ret = dns_rdataclass_fromtext(&rdclass, &r);
if (ret != ISC_R_SUCCESS)
fatal("unknown class %s", str);
return (rdclass);
}
static isc_boolean_t
testclass(char *typetext) {
isc_result_t result;
isc_textregion_t tr;
dns_rdataclass_t rdclass;
tr.base = typetext;
tr.length = strlen(typetext);
result = dns_rdataclass_fromtext(&rdclass, &tr);
if (result == ISC_R_SUCCESS)
return (ISC_TRUE);
else {
printf("unknown query class: %s\n", typetext);
return (ISC_FALSE);
}
}
isc_result_t
ns_config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
dns_rdataclass_t *classp) {
isc_textregion_t r;
isc_result_t result;
if (!cfg_obj_isstring(classobj)) {
*classp = defclass;
return (ISC_R_SUCCESS);
}
DE_CONST(cfg_obj_asstring(classobj), r.base);
r.length = strlen(r.base);
result = dns_rdataclass_fromtext(classp, &r);
if (result != ISC_R_SUCCESS)
cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
"unknown class '%s'", r.base);
return (result);
}
static isc_result_t
configure_hint(const char *zfile, const char *zclass, isc_mem_t *mctx) {
isc_result_t result;
dns_db_t *db = NULL;
dns_rdataclass_t rdclass;
isc_textregion_t r;
if (zfile == NULL)
return (ISC_R_FAILURE);
DE_CONST(zclass, r.base);
r.length = strlen(zclass);
result = dns_rdataclass_fromtext(&rdclass, &r);
if (result != ISC_R_SUCCESS)
return (result);
result = dns_rootns_create(mctx, rdclass, zfile, &db);
if (result != ISC_R_SUCCESS)
return (result);
dns_db_detach(&db);
return (ISC_R_SUCCESS);
}
static void
parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only,
int argc, char **argv) {
isc_result_t result;
isc_textregion_t tr;
isc_boolean_t firstarg = ISC_TRUE;
dig_lookup_t *lookup = NULL;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
isc_boolean_t open_type_class = ISC_TRUE;
char batchline[MXNAME];
int bargc;
char *bargv[64];
int rc;
char **rv;
#ifndef NOPOSIX
char *homedir;
char rcfile[256];
#endif
char *input;
int i;
isc_boolean_t need_clone = ISC_TRUE;
/*
* The semantics for parsing the args is a bit complex; if
* we don't have a host yet, make the arg apply globally,
* otherwise make it apply to the latest host. This is
* a bit different than the previous versions, but should
* form a consistent user interface.
*
* First, create a "default lookup" which won't actually be used
* anywhere, except for cloning into new lookups
*/
debug("parse_args()");
if (!is_batchfile) {
debug("making new lookup");
default_lookup = make_empty_lookup();
default_lookup->adflag = ISC_TRUE;
default_lookup->edns = 0;
#ifndef NOPOSIX
/*
* Treat ${HOME}/.digrc as a special batchfile
*/
INSIST(batchfp == NULL);
homedir = getenv("HOME");
if (homedir != NULL) {
unsigned int n;
n = snprintf(rcfile, sizeof(rcfile), "%s/.digrc",
homedir);
if (n < sizeof(rcfile))
batchfp = fopen(rcfile, "r");
}
if (batchfp != NULL) {
while (fgets(batchline, sizeof(batchline),
batchfp) != 0) {
debug("config line %s", batchline);
bargc = 1;
input = batchline;
bargv[bargc] = next_token(&input, " \t\r\n");
while ((bargv[bargc] != NULL) &&
(bargc < 62)) {
bargc++;
bargv[bargc] =
next_token(&input, " \t\r\n");
}
bargv[0] = argv[0];
argv0 = argv[0];
for(i = 0; i < bargc; i++)
debug(".digrc argv %d: %s",
i, bargv[i]);
parse_args(ISC_TRUE, ISC_TRUE, bargc,
(char **)bargv);
}
fclose(batchfp);
}
#endif
}
if (is_batchfile && !config_only) {
/* Processing '-f batchfile'. */
lookup = clone_lookup(default_lookup, ISC_TRUE);
need_clone = ISC_FALSE;
} else
lookup = default_lookup;
rc = argc;
rv = argv;
for (rc--, rv++; rc > 0; rc--, rv++) {
debug("main parsing %s", rv[0]);
if (strncmp(rv[0], "%", 1) == 0)
break;
if (strncmp(rv[0], "@", 1) == 0) {
addresscount = getaddresses(lookup, &rv[0][1], NULL);
} else if (rv[0][0] == '+') {
plus_option(&rv[0][1], is_batchfile,
lookup);
} else if (rv[0][0] == '-') {
if (rc <= 1) {
if (dash_option(&rv[0][1], NULL,
&lookup, &open_type_class,
&need_clone, config_only,
argc, argv, &firstarg)) {
rc--;
rv++;
}
} else {
if (dash_option(&rv[0][1], rv[1],
&lookup, &open_type_class,
&need_clone, config_only,
argc, argv, &firstarg)) {
rc--;
rv++;
}
}
} else {
/*
* Anything which isn't an option
*/
if (open_type_class) {
if (strncasecmp(rv[0], "ixfr=", 5) == 0) {
rdtype = dns_rdatatype_ixfr;
result = ISC_R_SUCCESS;
} else {
tr.base = rv[0];
tr.length = strlen(rv[0]);
result = dns_rdatatype_fromtext(&rdtype,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS &&
rdtype == dns_rdatatype_ixfr) {
fprintf(stderr, ";; Warning, "
"ixfr requires a "
"serial number\n");
continue;
}
}
if (result == ISC_R_SUCCESS) {
if (lookup->rdtypeset) {
fprintf(stderr, ";; Warning, "
"extra type option\n");
}
if (rdtype == dns_rdatatype_ixfr) {
isc_uint32_t serial;
lookup->rdtype =
dns_rdatatype_ixfr;
lookup->rdtypeset = ISC_TRUE;
result = parse_uint(&serial,
&rv[0][5],
MAXSERIAL,
"serial number");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse "
"serial number");
lookup->ixfr_serial = serial;
lookup->section_question =
plusquest;
lookup->comments = pluscomm;
lookup->tcp_mode = ISC_TRUE;
} else {
lookup->rdtype = rdtype;
lookup->rdtypeset = ISC_TRUE;
if (rdtype ==
dns_rdatatype_axfr) {
lookup->section_question =
plusquest;
lookup->comments = pluscomm;
}
lookup->ixfr_serial = ISC_FALSE;
}
continue;
}
result = dns_rdataclass_fromtext(&rdclass,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS) {
if (lookup->rdclassset) {
fprintf(stderr, ";; Warning, "
"extra class option\n");
}
lookup->rdclass = rdclass;
lookup->rdclassset = ISC_TRUE;
continue;
}
}
if (!config_only) {
if (need_clone)
lookup = clone_lookup(default_lookup,
ISC_TRUE);
need_clone = ISC_TRUE;
strncpy(lookup->textname, rv[0],
sizeof(lookup->textname));
lookup->textname[sizeof(lookup->textname)-1]=0;
lookup->trace_root = ISC_TF(lookup->trace ||
lookup->ns_search_only);
lookup->new_search = ISC_TRUE;
if (firstarg) {
printgreeting(argc, argv, lookup);
firstarg = ISC_FALSE;
}
ISC_LIST_APPEND(lookup_list, lookup, link);
debug("looking up %s", lookup->textname);
}
/* XXX Error message */
}
}
/*
* If we have a batchfile, seed the lookup list with the
* first entry, then trust the callback in dighost_shutdown
* to get the rest
*/
if ((batchname != NULL) && !(is_batchfile)) {
if (strcmp(batchname, "-") == 0)
batchfp = stdin;
else
batchfp = fopen(batchname, "r");
if (batchfp == NULL) {
perror(batchname);
if (exitcode < 8)
exitcode = 8;
fatal("couldn't open specified batch file");
}
/* XXX Remove code dup from shutdown code */
next_line:
if (fgets(batchline, sizeof(batchline), batchfp) != 0) {
bargc = 1;
debug("batch line %s", batchline);
if (batchline[0] == '\r' || batchline[0] == '\n'
|| batchline[0] == '#' || batchline[0] == ';')
goto next_line;
input = batchline;
bargv[bargc] = next_token(&input, " \t\r\n");
while ((bargv[bargc] != NULL) && (bargc < 14)) {
bargc++;
bargv[bargc] = next_token(&input, " \t\r\n");
}
bargv[0] = argv[0];
argv0 = argv[0];
for(i = 0; i < bargc; i++)
debug("batch argv %d: %s", i, bargv[i]);
parse_args(ISC_TRUE, ISC_FALSE, bargc, (char **)bargv);
return;
}
return;
}
/*
* If no lookup specified, search for root
*/
if ((lookup_list.head == NULL) && !config_only) {
if (need_clone)
lookup = clone_lookup(default_lookup, ISC_TRUE);
need_clone = ISC_TRUE;
lookup->trace_root = ISC_TF(lookup->trace ||
lookup->ns_search_only);
lookup->new_search = ISC_TRUE;
strcpy(lookup->textname, ".");
lookup->rdtype = dns_rdatatype_ns;
lookup->rdtypeset = ISC_TRUE;
if (firstarg) {
printgreeting(argc, argv, lookup);
firstarg = ISC_FALSE;
}
ISC_LIST_APPEND(lookup_list, lookup, link);
}
if (!need_clone)
destroy_lookup(lookup);
}
static isc_boolean_t
dash_option(char *option, char *next, dig_lookup_t **lookup,
isc_boolean_t *open_type_class, isc_boolean_t *need_clone,
isc_boolean_t config_only, int argc, char **argv,
isc_boolean_t *firstarg)
{
char opt, *value, *ptr, *ptr2, *ptr3;
isc_result_t result;
isc_boolean_t value_from_next;
isc_textregion_t tr;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
char textname[MXNAME];
struct in_addr in4;
struct in6_addr in6;
in_port_t srcport;
char *hash, *cmd;
isc_uint32_t num;
while (strpbrk(option, single_dash_opts) == &option[0]) {
/*
* Since the -[46dhimnv] options do not take an argument,
* account for them (in any number and/or combination)
* if they appear as the first character(s) of a q-opt.
*/
opt = option[0];
switch (opt) {
case '4':
if (have_ipv4) {
isc_net_disableipv6();
have_ipv6 = ISC_FALSE;
} else {
fatal("can't find IPv4 networking");
/* NOTREACHED */
return (ISC_FALSE);
}
break;
case '6':
if (have_ipv6) {
isc_net_disableipv4();
have_ipv4 = ISC_FALSE;
} else {
fatal("can't find IPv6 networking");
/* NOTREACHED */
return (ISC_FALSE);
}
break;
case 'd':
ptr = strpbrk(&option[1], dash_opts);
if (ptr != &option[1]) {
cmd = option;
FULLCHECK("debug");
debugging = ISC_TRUE;
return (ISC_FALSE);
} else
debugging = ISC_TRUE;
break;
case 'h':
help();
exit(0);
break;
case 'i':
ip6_int = ISC_TRUE;
break;
case 'm': /* memdebug */
/* memdebug is handled in preparse_args() */
break;
case 'n':
/* deprecated */
break;
case 'v':
version();
exit(0);
break;
}
if (strlen(option) > 1U)
option = &option[1];
else
return (ISC_FALSE);
}
opt = option[0];
if (strlen(option) > 1U) {
value_from_next = ISC_FALSE;
value = &option[1];
} else {
value_from_next = ISC_TRUE;
value = next;
}
if (value == NULL)
goto invalid_option;
switch (opt) {
case 'b':
hash = strchr(value, '#');
if (hash != NULL) {
result = parse_uint(&num, hash + 1, MAXPORT,
"port number");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse port number");
srcport = num;
*hash = '\0';
} else
srcport = 0;
if (have_ipv6 && inet_pton(AF_INET6, value, &in6) == 1) {
isc_sockaddr_fromin6(&bind_address, &in6, srcport);
isc_net_disableipv4();
} else if (have_ipv4 && inet_pton(AF_INET, value, &in4) == 1) {
isc_sockaddr_fromin(&bind_address, &in4, srcport);
isc_net_disableipv6();
} else {
if (hash != NULL)
*hash = '#';
fatal("invalid address %s", value);
}
if (hash != NULL)
*hash = '#';
specified_source = ISC_TRUE;
return (value_from_next);
case 'c':
if ((*lookup)->rdclassset) {
fprintf(stderr, ";; Warning, extra class option\n");
}
*open_type_class = ISC_FALSE;
tr.base = value;
tr.length = strlen(value);
result = dns_rdataclass_fromtext(&rdclass,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS) {
(*lookup)->rdclass = rdclass;
(*lookup)->rdclassset = ISC_TRUE;
} else
fprintf(stderr, ";; Warning, ignoring "
"invalid class %s\n",
value);
return (value_from_next);
case 'f':
batchname = value;
return (value_from_next);
case 'k':
strncpy(keyfile, value, sizeof(keyfile));
keyfile[sizeof(keyfile)-1]=0;
return (value_from_next);
case 'p':
result = parse_uint(&num, value, MAXPORT, "port number");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse port number");
port = num;
return (value_from_next);
case 'q':
if (!config_only) {
if (*need_clone)
(*lookup) = clone_lookup(default_lookup,
ISC_TRUE);
*need_clone = ISC_TRUE;
strncpy((*lookup)->textname, value,
sizeof((*lookup)->textname));
(*lookup)->textname[sizeof((*lookup)->textname)-1]=0;
(*lookup)->trace_root = ISC_TF((*lookup)->trace ||
(*lookup)->ns_search_only);
(*lookup)->new_search = ISC_TRUE;
if (*firstarg) {
printgreeting(argc, argv, *lookup);
*firstarg = ISC_FALSE;
}
ISC_LIST_APPEND(lookup_list, (*lookup), link);
debug("looking up %s", (*lookup)->textname);
}
return (value_from_next);
case 't':
*open_type_class = ISC_FALSE;
if (strncasecmp(value, "ixfr=", 5) == 0) {
rdtype = dns_rdatatype_ixfr;
result = ISC_R_SUCCESS;
} else {
tr.base = value;
tr.length = strlen(value);
result = dns_rdatatype_fromtext(&rdtype,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS &&
rdtype == dns_rdatatype_ixfr) {
result = DNS_R_UNKNOWN;
}
}
if (result == ISC_R_SUCCESS) {
if ((*lookup)->rdtypeset) {
fprintf(stderr, ";; Warning, "
"extra type option\n");
}
if (rdtype == dns_rdatatype_ixfr) {
isc_uint32_t serial;
(*lookup)->rdtype = dns_rdatatype_ixfr;
(*lookup)->rdtypeset = ISC_TRUE;
result = parse_uint(&serial, &value[5],
MAXSERIAL, "serial number");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse serial number");
(*lookup)->ixfr_serial = serial;
(*lookup)->section_question = plusquest;
(*lookup)->comments = pluscomm;
(*lookup)->tcp_mode = ISC_TRUE;
} else {
(*lookup)->rdtype = rdtype;
(*lookup)->rdtypeset = ISC_TRUE;
if (rdtype == dns_rdatatype_axfr) {
(*lookup)->section_question = plusquest;
(*lookup)->comments = pluscomm;
}
(*lookup)->ixfr_serial = ISC_FALSE;
}
} else
fprintf(stderr, ";; Warning, ignoring "
"invalid type %s\n",
value);
return (value_from_next);
case 'y':
ptr = next_token(&value,":"); /* hmac type or name */
if (ptr == NULL) {
usage();
}
ptr2 = next_token(&value, ":"); /* name or secret */
if (ptr2 == NULL)
usage();
ptr3 = next_token(&value,":"); /* secret or NULL */
if (ptr3 != NULL) {
parse_hmac(ptr);
ptr = ptr2;
ptr2 = ptr3;
} else {
hmacname = DNS_TSIG_HMACMD5_NAME;
digestbits = 0;
}
strncpy(keynametext, ptr, sizeof(keynametext));
keynametext[sizeof(keynametext)-1]=0;
strncpy(keysecret, ptr2, sizeof(keysecret));
keysecret[sizeof(keysecret)-1]=0;
return (value_from_next);
case 'x':
if (*need_clone)
*lookup = clone_lookup(default_lookup, ISC_TRUE);
*need_clone = ISC_TRUE;
if (get_reverse(textname, sizeof(textname), value,
ip6_int, ISC_FALSE) == ISC_R_SUCCESS) {
strncpy((*lookup)->textname, textname,
sizeof((*lookup)->textname));
debug("looking up %s", (*lookup)->textname);
(*lookup)->trace_root = ISC_TF((*lookup)->trace ||
(*lookup)->ns_search_only);
(*lookup)->ip6_int = ip6_int;
if (!(*lookup)->rdtypeset)
(*lookup)->rdtype = dns_rdatatype_ptr;
if (!(*lookup)->rdclassset)
(*lookup)->rdclass = dns_rdataclass_in;
(*lookup)->new_search = ISC_TRUE;
if (*firstarg) {
printgreeting(argc, argv, *lookup);
*firstarg = ISC_FALSE;
}
ISC_LIST_APPEND(lookup_list, *lookup, link);
} else {
fprintf(stderr, "Invalid IP address %s\n", value);
exit(1);
}
return (value_from_next);
invalid_option:
default:
fprintf(stderr, "Invalid option: -%s\n", option);
usage();
}
/* NOTREACHED */
return (ISC_FALSE);
}
static void
make_prereq(isc_mem_t *mctx, char *cmdline, isc_boolean_t ispositive,
isc_boolean_t isrrset, dns_name_t *name)
{
isc_result_t result;
char *word;
isc_textregion_t region;
dns_rdataset_t *rdataset = NULL;
dns_rdatalist_t *rdatalist = NULL;
dns_rdataclass_t rdataclass;
dns_rdatatype_t rdatatype;
dns_rdata_t *rdata = NULL;
/*
* Read the owner name
*/
parse_name(&cmdline, name);
/*
* If this is an rrset prereq, read the class or type.
*/
if (isrrset) {
word = nsu_strsep(&cmdline, " \t\r\n");
if (word == NULL || *word == 0) {
fprintf(stderr, "could not read class or type\n");
exit(1);
}
region.base = word;
region.length = strlen(word);
result = dns_rdataclass_fromtext(&rdataclass, ®ion);
if (result == ISC_R_SUCCESS) {
/*
* Now read the type.
*/
word = nsu_strsep(&cmdline, " \t\r\n");
if (word == NULL || *word == 0) {
fprintf(stderr, "could not read type\n");
exit(1);
}
region.base = word;
region.length = strlen(word);
result = dns_rdatatype_fromtext(&rdatatype, ®ion);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "invalid type: %s\n", word);
exit(1);
}
} else {
rdataclass = default_rdataclass;
result = dns_rdatatype_fromtext(&rdatatype, ®ion);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "invalid type: %s\n", word);
exit(1);
}
}
} else
rdatatype = dns_rdatatype_any;
rdata = isc_mem_get(mctx, sizeof(*rdata));
if (rdata == NULL) {
fprintf(stderr, "memory allocation for rdata failed\n");
exit(1);
}
dns_rdata_init(rdata);
if (isrrset && ispositive)
parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
else
rdata->flags = DNS_RDATA_UPDATE;
rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
if (rdatalist == NULL) {
fprintf(stderr, "memory allocation for rdatalist failed\n");
exit(1);
}
dns_rdatalist_init(rdatalist);
rdatalist->type = rdatatype;
if (ispositive) {
if (isrrset && rdata->data != NULL)
rdatalist->rdclass = rdataclass;
else
rdatalist->rdclass = dns_rdataclass_any;
} else
rdatalist->rdclass = dns_rdataclass_none;
rdatalist->covers = 0;
rdatalist->ttl = 0;
rdata->rdclass = rdatalist->rdclass;
rdata->type = rdatatype;
ISC_LIST_INIT(rdatalist->rdata);
ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
rdataset = isc_mem_get(mctx, sizeof(*rdataset));
if (rdataset == NULL) {
fprintf(stderr, "memory allocation for rdataset failed\n");
exit(1);
}
dns_rdataset_init(rdataset);
dns_rdatalist_tordataset(rdatalist, rdataset);
ISC_LIST_INIT(name->list);
ISC_LIST_APPEND(name->list, rdataset, link);
}
static void
update_addordelete(isc_mem_t *mctx, char *cmdline, isc_boolean_t isdelete,
dns_name_t *name)
{
isc_result_t result;
isc_uint32_t ttl;
char *word;
dns_rdataclass_t rdataclass;
dns_rdatatype_t rdatatype;
dns_rdata_t *rdata = NULL;
dns_rdatalist_t *rdatalist = NULL;
dns_rdataset_t *rdataset = NULL;
isc_textregion_t region;
/*
* Read the owner name.
*/
parse_name(&cmdline, name);
rdata = isc_mem_get(mctx, sizeof(*rdata));
if (rdata == NULL) {
fprintf(stderr, "memory allocation for rdata failed\n");
exit(1);
}
dns_rdata_init(rdata);
/*
* If this is an add, read the TTL and verify that it's in range.
* If it's a delete, ignore a TTL if present (for compatibility).
*/
word = nsu_strsep(&cmdline, " \t\r\n");
if (word == NULL || *word == 0) {
if (!isdelete) {
fprintf(stderr, "could not read owner ttl\n");
exit(1);
}
else {
ttl = 0;
rdataclass = dns_rdataclass_any;
rdatatype = dns_rdatatype_any;
rdata->flags = DNS_RDATA_UPDATE;
goto doneparsing;
}
}
result = isc_parse_uint32(&ttl, word, 10);
if (result != ISC_R_SUCCESS) {
if (isdelete) {
ttl = 0;
goto parseclass;
} else {
fprintf(stderr, "ttl '%s': %s\n", word,
isc_result_totext(result));
exit(1);
}
}
if (isdelete)
ttl = 0;
else if (ttl > TTL_MAX) {
fprintf(stderr, "ttl '%s' is out of range (0 to %u)\n",
word, TTL_MAX);
exit(1);
}
/*
* Read the class or type.
*/
word = nsu_strsep(&cmdline, " \t\r\n");
parseclass:
if (word == NULL || *word == 0) {
if (isdelete) {
rdataclass = dns_rdataclass_any;
rdatatype = dns_rdatatype_any;
rdata->flags = DNS_RDATA_UPDATE;
goto doneparsing;
} else {
fprintf(stderr, "could not read class or type\n");
exit(1);
}
}
region.base = word;
region.length = strlen(word);
result = dns_rdataclass_fromtext(&rdataclass, ®ion);
if (result == ISC_R_SUCCESS) {
/*
* Now read the type.
*/
word = nsu_strsep(&cmdline, " \t\r\n");
if (word == NULL || *word == 0) {
if (isdelete) {
rdataclass = dns_rdataclass_any;
rdatatype = dns_rdatatype_any;
rdata->flags = DNS_RDATA_UPDATE;
goto doneparsing;
} else {
fprintf(stderr, "could not read type\n");
exit(1);
}
}
region.base = word;
region.length = strlen(word);
result = dns_rdatatype_fromtext(&rdatatype, ®ion);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "'%s' is not a valid type: %s\n",
word, isc_result_totext(result));
exit(1);
}
} else {
rdataclass = default_rdataclass;
result = dns_rdatatype_fromtext(&rdatatype, ®ion);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "'%s' is not a valid class or type: "
"%s\n", word, isc_result_totext(result));
exit(1);
}
}
parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
if (isdelete) {
if ((rdata->flags & DNS_RDATA_UPDATE) != 0)
rdataclass = dns_rdataclass_any;
else
rdataclass = dns_rdataclass_none;
} else {
if ((rdata->flags & DNS_RDATA_UPDATE) != 0) {
fprintf(stderr, "could not read rdata\n");
exit(1);
}
}
doneparsing:
rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
if (rdatalist == NULL) {
fprintf(stderr, "memory allocation for rdatalist failed\n");
exit(1);
}
dns_rdatalist_init(rdatalist);
rdatalist->type = rdatatype;
rdatalist->rdclass = rdataclass;
rdatalist->covers = rdatatype;
rdatalist->ttl = (dns_ttl_t)ttl;
ISC_LIST_INIT(rdatalist->rdata);
ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
rdataset = isc_mem_get(mctx, sizeof(*rdataset));
if (rdataset == NULL) {
fprintf(stderr, "memory allocation for rdataset failed\n");
exit(1);
}
dns_rdataset_init(rdataset);
dns_rdatalist_tordataset(rdatalist, rdataset);
ISC_LIST_INIT(name->list);
ISC_LIST_APPEND(name->list, rdataset, link);
}
/*
* Argument parsing is based on dig, but simplified: only one
* QNAME/QCLASS/QTYPE tuple can be specified, and options have
* been removed that aren't applicable to delv. The interface
* should be familiar to dig users, however.
*/
static void
parse_args(int argc, char **argv) {
isc_result_t result;
isc_textregion_t tr;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
isc_boolean_t open_type_class = ISC_TRUE;
for (; argc > 0; argc--, argv++) {
if (argv[0][0] == '@') {
server = &argv[0][1];
} else if (argv[0][0] == '+') {
plus_option(&argv[0][1]);
} else if (argv[0][0] == '-') {
if (argc <= 1) {
if (dash_option(&argv[0][1], NULL,
&open_type_class))
{
argc--;
argv++;
}
} else {
if (dash_option(&argv[0][1], argv[1],
&open_type_class))
{
argc--;
argv++;
}
}
} else {
/*
* Anything which isn't an option
*/
if (open_type_class) {
tr.base = argv[0];
tr.length = strlen(argv[0]);
result = dns_rdatatype_fromtext(&rdtype,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS) {
if (typeset)
warn("extra query type");
if (rdtype == dns_rdatatype_ixfr ||
rdtype == dns_rdatatype_axfr)
fatal("Transfer not supported");
qtype = rdtype;
typeset = ISC_TRUE;
continue;
}
result = dns_rdataclass_fromtext(&rdclass,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS) {
if (classset)
warn("extra query class");
else if (rdclass != dns_rdataclass_in)
warn("ignoring non-IN "
"query class");
continue;
}
}
if (curqname == NULL) {
curqname = isc_mem_strdup(mctx, argv[0]);
if (curqname == NULL)
fatal("out of memory");
}
}
}
/*
* If no qname or qtype specified, search for root/NS
* If no qtype specified, use A
*/
if (!typeset)
qtype = dns_rdatatype_a;
if (curqname == NULL) {
qname = isc_mem_strdup(mctx, ".");
if (qname == NULL)
fatal("out of memory");
if (!typeset)
qtype = dns_rdatatype_ns;
} else
qname = curqname;
}
static int
test_master(char *testfile, char *origin, char *db_class,
isc_result_t exp_result)
{
int result;
int len;
isc_result_t isc_result;
isc_result_t dns_result;
dns_name_t dns_origin;
isc_buffer_t source;
isc_buffer_t target;
unsigned char name_buf[BUFLEN];
dns_rdatacallbacks_t callbacks;
dns_rdataclass_t rdataclass;
isc_textregion_t textregion;
if (T1_mctx == NULL)
isc_result = isc_mem_create(0, 0, &T1_mctx);
else
isc_result = ISC_R_SUCCESS;
if (isc_result != ISC_R_SUCCESS) {
t_info("isc_mem_create failed %d\n", isc_result);
return(T_UNRESOLVED);
}
len = strlen(origin);
isc_buffer_init(&source, origin, len);
isc_buffer_add(&source, len);
isc_buffer_setactive(&source, len);
isc_buffer_init(&target, name_buf, BUFLEN);
dns_name_init(&dns_origin, NULL);
dns_result = dns_name_fromtext(&dns_origin, &source, dns_rootname,
0, &target);
if (dns_result != ISC_R_SUCCESS) {
t_info("dns_name_fromtext failed %s\n",
dns_result_totext(dns_result));
return(T_UNRESOLVED);
}
dns_rdatacallbacks_init_stdio(&callbacks);
callbacks.add = t1_add_callback;
textregion.base = db_class;
textregion.length = strlen(db_class);
dns_result = dns_rdataclass_fromtext(&rdataclass, &textregion);
if (dns_result != ISC_R_SUCCESS) {
t_info("dns_rdataclass_fromtext failed %s\n",
dns_result_totext(dns_result));
return(T_UNRESOLVED);
}
dns_result = dns_master_loadfile( testfile,
&dns_origin,
&dns_origin,
rdataclass,
ISC_TRUE,
&callbacks,
T1_mctx);
if (dns_result == exp_result)
result = T_PASS;
else {
t_info("dns_master_loadfile: got %s, expected %s\n",
dns_result_totext(dns_result),
dns_result_totext(exp_result));
result = T_FAIL;
}
return(result);
}
/*% load the zone */
isc_result_t
load_zone(isc_mem_t *mctx, const char *zonename, const char *filename,
dns_masterformat_t fileformat, const char *classname,
dns_ttl_t maxttl, dns_zone_t **zonep)
{
isc_result_t result;
dns_rdataclass_t rdclass;
isc_textregion_t region;
isc_buffer_t buffer;
dns_fixedname_t fixorigin;
dns_name_t *origin;
dns_zone_t *zone = NULL;
REQUIRE(zonep == NULL || *zonep == NULL);
if (debug)
fprintf(stderr, "loading \"%s\" from \"%s\" class \"%s\"\n",
zonename, filename, classname);
CHECK(dns_zone_create(&zone, mctx));
dns_zone_settype(zone, dns_zone_master);
isc_buffer_constinit(&buffer, zonename, strlen(zonename));
isc_buffer_add(&buffer, strlen(zonename));
dns_fixedname_init(&fixorigin);
origin = dns_fixedname_name(&fixorigin);
CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, 0, NULL));
CHECK(dns_zone_setorigin(zone, origin));
CHECK(dns_zone_setdbtype(zone, 1, (const char * const *) dbtype));
CHECK(dns_zone_setfile2(zone, filename, fileformat));
if (journal != NULL)
CHECK(dns_zone_setjournal(zone, journal));
DE_CONST(classname, region.base);
region.length = strlen(classname);
CHECK(dns_rdataclass_fromtext(&rdclass, ®ion));
dns_zone_setclass(zone, rdclass);
dns_zone_setoption(zone, zone_options, ISC_TRUE);
dns_zone_setoption2(zone, zone_options2, ISC_TRUE);
dns_zone_setoption(zone, DNS_ZONEOPT_NOMERGE, nomerge);
dns_zone_setmaxttl(zone, maxttl);
if (docheckmx)
dns_zone_setcheckmx(zone, checkmx);
if (docheckns)
dns_zone_setcheckns(zone, checkns);
if (dochecksrv)
dns_zone_setchecksrv(zone, checksrv);
CHECK(dns_zone_load(zone));
/*
* When loading map files we can't catch oversize TTLs during
* load, so we check for them here.
*/
if (fileformat == dns_masterformat_map && maxttl != 0) {
CHECK(check_ttls(zone, maxttl));
}
if (zonep != NULL) {
*zonep = zone;
zone = NULL;
}
cleanup:
if (zone != NULL)
dns_zone_detach(&zone);
return (result);
}
/*%
* Reads a public key from disk
*/
isc_result_t
dst_key_read_public(const char *filename, int type,
isc_mem_t *mctx, dst_key_t **keyp)
{
u_char rdatabuf[DST_KEY_MAXSIZE];
isc_buffer_t b;
dns_fixedname_t name;
isc_lex_t *lex = NULL;
isc_token_t token;
isc_result_t ret;
dns_rdata_t rdata = DNS_RDATA_INIT;
unsigned int opt = ISC_LEXOPT_DNSMULTILINE;
dns_rdataclass_t rdclass = dns_rdataclass_in;
isc_lexspecials_t specials;
isc_uint32_t ttl = 0;
isc_result_t result;
dns_rdatatype_t keytype;
/*
* Open the file and read its formatted contents
* File format:
* domain.name [ttl] [class] [KEY|DNSKEY] <flags> <protocol> <algorithm> <key>
*/
/* 1500 should be large enough for any key */
ret = isc_lex_create(mctx, 1500, &lex);
if (ret != ISC_R_SUCCESS)
goto cleanup;
memset(specials, 0, sizeof(specials));
specials['('] = 1;
specials[')'] = 1;
specials['"'] = 1;
isc_lex_setspecials(lex, specials);
isc_lex_setcomments(lex, ISC_LEXCOMMENT_DNSMASTERFILE);
ret = isc_lex_openfile(lex, filename);
if (ret != ISC_R_SUCCESS)
goto cleanup;
#define NEXTTOKEN(lex, opt, token) { \
ret = isc_lex_gettoken(lex, opt, token); \
if (ret != ISC_R_SUCCESS) \
goto cleanup; \
}
#define BADTOKEN() { \
ret = ISC_R_UNEXPECTEDTOKEN; \
goto cleanup; \
}
/* Read the domain name */
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
/*
* We don't support "@" in .key files.
*/
if (!strcmp(DST_AS_STR(token), "@"))
BADTOKEN();
dns_fixedname_init(&name);
isc_buffer_init(&b, DST_AS_STR(token), strlen(DST_AS_STR(token)));
isc_buffer_add(&b, strlen(DST_AS_STR(token)));
ret = dns_name_fromtext(dns_fixedname_name(&name), &b, dns_rootname,
0, NULL);
if (ret != ISC_R_SUCCESS)
goto cleanup;
/* Read the next word: either TTL, class, or 'KEY' */
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
/* If it's a TTL, read the next one */
result = dns_ttl_fromtext(&token.value.as_textregion, &ttl);
if (result == ISC_R_SUCCESS)
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
ret = dns_rdataclass_fromtext(&rdclass, &token.value.as_textregion);
if (ret == ISC_R_SUCCESS)
NEXTTOKEN(lex, opt, &token);
if (token.type != isc_tokentype_string)
BADTOKEN();
if (strcasecmp(DST_AS_STR(token), "DNSKEY") == 0)
keytype = dns_rdatatype_dnskey;
else if (strcasecmp(DST_AS_STR(token), "KEY") == 0)
keytype = dns_rdatatype_key; /*%< SIG(0), TKEY */
else
BADTOKEN();
if (((type & DST_TYPE_KEY) != 0 && keytype != dns_rdatatype_key) ||
((type & DST_TYPE_KEY) == 0 && keytype != dns_rdatatype_dnskey)) {
ret = DST_R_BADKEYTYPE;
goto cleanup;
}
isc_buffer_init(&b, rdatabuf, sizeof(rdatabuf));
ret = dns_rdata_fromtext(&rdata, rdclass, keytype, lex, NULL,
ISC_FALSE, mctx, &b, NULL);
if (ret != ISC_R_SUCCESS)
goto cleanup;
ret = dst_key_fromdns(dns_fixedname_name(&name), rdclass, &b, mctx,
keyp);
if (ret != ISC_R_SUCCESS)
goto cleanup;
dst_key_setttl(*keyp, ttl);
cleanup:
if (lex != NULL)
isc_lex_destroy(&lex);
return (ret);
}
int
main(int argc, char *argv[]) {
isc_token_t token;
isc_result_t result;
int c;
unsigned int options = 0;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
char text[256*1024];
char data[64*1024];
isc_buffer_t tbuf;
isc_buffer_t dbuf;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_boolean_t doexit = ISC_FALSE;
isc_boolean_t once = ISC_FALSE;
isc_boolean_t print = ISC_FALSE;
isc_boolean_t unknown = ISC_FALSE;
unsigned int t;
char *origin = NULL;
dns_fixedname_t fixed;
dns_name_t *name = NULL;
while ((c = isc_commandline_parse(argc, argv, "ho:puCPT")) != -1) {
switch (c) {
case 'o':
origin = isc_commandline_argument;
break;
case 'p':
print = ISC_TRUE;
break;
case 'u':
unknown = ISC_TRUE;
break;
case 'C':
for (t = 1; t <= 0xfeffu; t++) {
if (dns_rdataclass_ismeta(t))
continue;
dns_rdataclass_format(t, text, sizeof(text));
if (strncmp(text, "CLASS", 4) != 0)
fprintf(stdout, "%s\n", text);
}
exit(0);
case 'P':
for (t = 0xff00; t <= 0xfffeu; t++) {
if (dns_rdatatype_ismeta(t))
continue;
dns_rdatatype_format(t, text, sizeof(text));
if (strncmp(text, "TYPE", 4) != 0)
fprintf(stdout, "%s\n", text);
}
doexit = ISC_TRUE;
break;
case 'T':
for (t = 1; t <= 0xfeffu; t++) {
if (dns_rdatatype_ismeta(t))
continue;
dns_rdatatype_format(t, text, sizeof(text));
if (strncmp(text, "TYPE", 4) != 0)
fprintf(stdout, "%s\n", text);
}
doexit = ISC_TRUE;
break;
case '?':
case 'h':
/* Does not return. */
usage();
default:
fprintf(stderr, "%s: unhandled option -%c\n",
argv[0], isc_commandline_option);
exit(1);
}
}
if (doexit)
exit(0);
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
RUNTIME_CHECK(isc_lex_create(mctx, 256, &lex) == ISC_R_SUCCESS);
/*
* Set up to lex DNS master file.
*/
specials['('] = 1;
specials[')'] = 1;
specials['"'] = 1;
isc_lex_setspecials(lex, specials);
options = ISC_LEXOPT_EOL;
isc_lex_setcomments(lex, ISC_LEXCOMMENT_DNSMASTERFILE);
RUNTIME_CHECK(isc_lex_openstream(lex, stdin) == ISC_R_SUCCESS);
if (origin != NULL) {
dns_fixedname_init(&fixed);
name = dns_fixedname_name(&fixed);
result = dns_name_fromstring(name, origin, 0, NULL);
if (result != ISC_R_SUCCESS) {
fatal("dns_name_fromstring: %s",
dns_result_totext(result));
}
}
while ((result = isc_lex_gettoken(lex, options | ISC_LEXOPT_NUMBER,
&token)) == ISC_R_SUCCESS) {
if (token.type == isc_tokentype_eof)
break;
if (token.type == isc_tokentype_eol)
continue;
if (once) {
fatal("extra data");
}
/*
* Get class.
*/
if (token.type == isc_tokentype_number) {
rdclass = (dns_rdataclass_t) token.value.as_ulong;
if (token.value.as_ulong > 0xffffu) {
fatal("class value too big %lu",
token.value.as_ulong);
}
if (dns_rdataclass_ismeta(rdclass)) {
fatal("class %lu is a meta value",
token.value.as_ulong);
}
} else if (token.type == isc_tokentype_string) {
result = dns_rdataclass_fromtext(&rdclass,
&token.value.as_textregion);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdataclass_fromtext: %s",
dns_result_totext(result));
}
if (dns_rdataclass_ismeta(rdclass)) {
fatal("class %.*s(%d) is a meta value",
(int)token.value.as_textregion.length,
token.value.as_textregion.base, rdclass);
}
} else {
fatal("unexpected token %u", token.type);
}
result = isc_lex_gettoken(lex, options | ISC_LEXOPT_NUMBER,
&token);
if (result != ISC_R_SUCCESS)
break;
if (token.type == isc_tokentype_eol)
continue;
if (token.type == isc_tokentype_eof)
break;
/*
* Get type.
*/
if (token.type == isc_tokentype_number) {
rdtype = (dns_rdatatype_t) token.value.as_ulong;
if (token.value.as_ulong > 0xffffu) {
fatal("type value too big %lu",
token.value.as_ulong);
}
if (dns_rdatatype_ismeta(rdtype)) {
fatal("type %lu is a meta value",
token.value.as_ulong);
}
} else if (token.type == isc_tokentype_string) {
result = dns_rdatatype_fromtext(&rdtype,
&token.value.as_textregion);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdatatype_fromtext: %s",
dns_result_totext(result));
}
if (dns_rdatatype_ismeta(rdtype)) {
fatal("type %.*s(%d) is a meta value",
(int)token.value.as_textregion.length,
token.value.as_textregion.base, rdtype);
}
} else {
fatal("unexpected token %u", token.type);
}
isc_buffer_init(&dbuf, data, sizeof(data));
result = dns_rdata_fromtext(&rdata, rdclass, rdtype, lex,
name, 0, mctx, &dbuf, NULL);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdata_fromtext: %s",
dns_result_totext(result));
}
once = ISC_TRUE;
}
if (result != ISC_R_EOF) {
fatal("eof not found");
}
if (!once) {
fatal("no records found");
}
if (print) {
isc_buffer_init(&tbuf, text, sizeof(text));
result = dns_rdataclass_totext(rdclass, &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdataclass_totext: %s",
dns_result_totext(result));
}
isc_buffer_putstr(&tbuf, "\t");
result = dns_rdatatype_totext(rdtype, &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdatatype_totext: %s",
dns_result_totext(result));
}
isc_buffer_putstr(&tbuf, "\t");
result = dns_rdata_totext(&rdata, NULL, &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdata_totext: %s",
dns_result_totext(result));
}
printf("%.*s\n", (int)tbuf.used, (char*)tbuf.base);
fflush(stdout);
}
if (unknown) {
isc_buffer_init(&tbuf, text, sizeof(text));
result = dns_rdataclass_tounknowntext(rdclass, &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdataclass_tounknowntext: %s",
dns_result_totext(result));
}
isc_buffer_putstr(&tbuf, "\t");
result = dns_rdatatype_tounknowntext(rdtype, &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdatatype_tounknowntext: %s",
dns_result_totext(result));
}
isc_buffer_putstr(&tbuf, "\t");
result = dns_rdata_tofmttext(&rdata, NULL,
DNS_STYLEFLAG_UNKNOWNFORMAT,
0, 0, "", &tbuf);
if (result != ISC_R_SUCCESS) {
fatal("dns_rdata_tofmttext: %sn",
dns_result_totext(result));
}
printf("%.*s\n", (int)tbuf.used, (char*)tbuf.base);
fflush(stdout);
}
isc_lex_close(lex);
isc_lex_destroy(&lex);
isc_mem_destroy(&mctx);
return (0);
}
static isc_boolean_t
dash_option(char *option, char *next, isc_boolean_t *open_type_class) {
char opt, *value;
isc_result_t result;
isc_boolean_t value_from_next;
isc_textregion_t tr;
dns_rdatatype_t rdtype;
dns_rdataclass_t rdclass;
char textname[MAXNAME];
struct in_addr in4;
struct in6_addr in6;
in_port_t srcport;
isc_uint32_t num;
char *hash;
while (strpbrk(option, single_dash_opts) == &option[0]) {
/*
* Since the -[46himv] options do not take an argument,
* account for them (in any number and/or combination)
* if they appear as the first character(s) of a q-opt.
*/
opt = option[0];
switch (opt) {
case '4':
if (isc_net_probeipv4() != ISC_R_SUCCESS)
fatal("IPv4 networking not available");
if (use_ipv6) {
isc_net_disableipv6();
use_ipv6 = ISC_FALSE;
}
break;
case '6':
if (isc_net_probeipv6() != ISC_R_SUCCESS)
fatal("IPv6 networking not available");
if (use_ipv4) {
isc_net_disableipv4();
use_ipv4 = ISC_FALSE;
}
break;
case 'h':
usage();
exit(0);
/* NOTREACHED */
case 'i':
no_sigs = ISC_TRUE;
dlv_validation = ISC_FALSE;
root_validation = ISC_FALSE;
break;
case 'm':
/* handled in preparse_args() */
break;
case 'v':
fputs("delv " VERSION "\n", stderr);
exit(0);
/* NOTREACHED */
default:
INSIST(0);
}
if (strlen(option) > 1U)
option = &option[1];
else
return (ISC_FALSE);
}
opt = option[0];
if (strlen(option) > 1U) {
value_from_next = ISC_FALSE;
value = &option[1];
} else {
value_from_next = ISC_TRUE;
value = next;
}
if (value == NULL)
goto invalid_option;
switch (opt) {
case 'a':
anchorfile = isc_mem_strdup(mctx, value);
if (anchorfile == NULL)
fatal("out of memory");
return (value_from_next);
case 'b':
hash = strchr(value, '#');
if (hash != NULL) {
result = parse_uint(&num, hash + 1, 0xffff, "port");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse port number");
srcport = num;
*hash = '\0';
} else
srcport = 0;
if (inet_pton(AF_INET, value, &in4) == 1) {
if (srcaddr4 != NULL)
fatal("Only one local address per family "
"can be specified\n");
isc_sockaddr_fromin(&a4, &in4, srcport);
srcaddr4 = &a4;
} else if (inet_pton(AF_INET6, value, &in6) == 1) {
if (srcaddr6 != NULL)
fatal("Only one local address per family "
"can be specified\n");
isc_sockaddr_fromin6(&a6, &in6, srcport);
srcaddr6 = &a6;
} else {
if (hash != NULL)
*hash = '#';
fatal("Invalid address %s", value);
}
if (hash != NULL)
*hash = '#';
return (value_from_next);
case 'c':
if (classset)
warn("extra query class");
*open_type_class = ISC_FALSE;
tr.base = value;
tr.length = strlen(value);
result = dns_rdataclass_fromtext(&rdclass,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS)
classset = ISC_TRUE;
else if (rdclass != dns_rdataclass_in)
warn("ignoring non-IN query class");
else
warn("ignoring invalid class");
return (value_from_next);
case 'd':
result = parse_uint(&num, value, 99, "debug level");
if (result != ISC_R_SUCCESS)
fatal("Couldn't parse debug level");
loglevel = num;
return (value_from_next);
case 'p':
port = value;
return (value_from_next);
case 'q':
if (curqname != NULL) {
warn("extra query name");
isc_mem_free(mctx, curqname);
}
curqname = isc_mem_strdup(mctx, value);
if (curqname == NULL)
fatal("out of memory");
return (value_from_next);
case 't':
*open_type_class = ISC_FALSE;
tr.base = value;
tr.length = strlen(value);
result = dns_rdatatype_fromtext(&rdtype,
(isc_textregion_t *)&tr);
if (result == ISC_R_SUCCESS) {
if (typeset)
warn("extra query type");
if (rdtype == dns_rdatatype_ixfr ||
rdtype == dns_rdatatype_axfr)
fatal("Transfer not supported");
qtype = rdtype;
typeset = ISC_TRUE;
} else
warn("ignoring invalid type");
return (value_from_next);
case 'x':
result = get_reverse(textname, sizeof(textname), value,
ISC_FALSE);
if (result == ISC_R_SUCCESS) {
if (curqname != NULL) {
isc_mem_free(mctx, curqname);
warn("extra query name");
}
curqname = isc_mem_strdup(mctx, textname);
if (curqname == NULL)
fatal("out of memory");
if (typeset)
warn("extra query type");
qtype = dns_rdatatype_ptr;
typeset = ISC_TRUE;
} else {
fprintf(stderr, "Invalid IP address %s\n", value);
exit(1);
}
return (value_from_next);
invalid_option:
default:
fprintf(stderr, "Invalid option: -%s\n", option);
usage();
}
/* NOTREACHED */
return (ISC_FALSE);
}
