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-rw-r--r--third_party/heimdal/lib/roken/resolve-test.c309
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diff --git a/third_party/heimdal/lib/roken/resolve-test.c b/third_party/heimdal/lib/roken/resolve-test.c
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+/*
+ * Copyright (c) 1995 - 2016 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ */
+
+
+#include <config.h>
+
+#include "roken.h"
+#include "getarg.h"
+#include <assert.h>
+#ifdef HAVE_ARPA_NAMESER_H
+#include <arpa/nameser.h>
+#endif
+#ifdef HAVE_RESOLV_H
+#include <resolv.h>
+#endif
+#include "resolve.h"
+
+static int srv_rr_order = 1;
+static int loop_integer = 1;
+static int version_flag = 0;
+static int help_flag = 0;
+
+static struct getargs args[] = {
+ {"srv-rr-order", 0,
+ arg_negative_flag, &srv_rr_order,
+ "do not test SRV RR ordering", NULL },
+ {"loop", 0, arg_integer, &loop_integer,
+ "loop resolving", NULL },
+ {"version", 0, arg_flag, &version_flag,
+ "print version", NULL },
+ {"help", 0, arg_flag, &help_flag,
+ NULL, NULL }
+};
+
+static void
+usage (int ret)
+{
+ arg_printusage (args,
+ sizeof(args)/sizeof(*args),
+ NULL,
+ "dns-record resource-record-type");
+ exit (ret);
+}
+
+#define NUMRRS 16
+
+static
+int
+test_rk_dns_srv_order(size_t run)
+{
+ struct rk_dns_reply reply;
+ struct rk_resource_record rrs[NUMRRS];
+ struct rk_resource_record *rr;
+ struct rk_srv_record srvs[NUMRRS];
+ size_t i, prio0;
+ int fail = 0;
+
+ (void) memset(&reply, 0, sizeof(reply));
+ (void) memset(srvs, 0, sizeof(srvs));
+ (void) memset(rrs, 0, sizeof(rrs));
+
+ /* Test with two equal weight zero SRV records */
+ rrs[0].type = rk_ns_t_srv;
+ rrs[0].u.srv = &srvs[0];
+ rrs[0].next = &rrs[1];
+ srvs[0].priority = 10;
+ srvs[0].weight = 0;
+
+ rrs[1].type = rk_ns_t_srv;
+ rrs[1].u.srv = &srvs[1];
+ rrs[1].next = NULL;
+ srvs[1].priority = 10;
+ srvs[1].weight = 0;
+ reply.head = &rrs[0];
+
+ rk_dns_srv_order(&reply);
+ assert(reply.head != NULL);
+ printf("%p %p\n", &rrs[0], rrs[0].next);
+
+ /*
+ * Test four priority groups with priority 1--5 and weigths 0--3 in the
+ * first two groups, and 1--4 in the last two groups. Test multiple zero
+ * weights, by further coercing the weight to zero if <= run/2.
+ */
+ for (i = 0; i < NUMRRS; i++) {
+ rrs[i].type = rk_ns_t_srv;
+ rrs[i].u.srv = &srvs[i];
+ srvs[i].priority = 1 + i / 4;
+ srvs[i].weight = i % 4 + i / 8;
+ if (srvs[i].weight <= run/2)
+ srvs[i].weight = 0;
+ }
+ /* Shuffle the RRs */
+ for (i = 0; i < NUMRRS - 1; i++) {
+ struct rk_resource_record tmp;
+ size_t j = rk_random() % (NUMRRS - i);
+
+ if (j > 0) {
+ tmp = rrs[i+j];
+ rrs[i+j] = rrs[i];
+ rrs[i] = tmp;
+ }
+ }
+ for (i = 0; i < NUMRRS; i++)
+ rrs[i].next = &rrs[i + 1];
+ rrs[i - 1].next = NULL;
+ reply.head = &rrs[0];
+
+ for (i = 0, rr = reply.head; i < NUMRRS; i++) {
+ if (rr == NULL)
+ break;
+ printf("SRV RR order run %lu input: prio %lu weight %lu\n",
+ (unsigned long)run, (unsigned long)rr->u.srv->priority,
+ (unsigned long)rr->u.srv->weight);
+ rr = rr->next;
+ }
+
+ rk_dns_srv_order(&reply);
+ assert(reply.head != NULL);
+
+ /*
+ * After sorting, ensure monotone priority ordering with jumps by 1 at
+ * group boundaries.
+ */
+ prio0 = 0;
+ for (i = 0, rr = reply.head; i < NUMRRS; i++) {
+ if (rr == NULL)
+ break;
+ if (rr->u.srv->priority < prio0 ||
+ (rr->u.srv->priority != prio0 &&
+ (i % 4 != 0 || rr->u.srv->priority > prio0 + 1))) {
+ printf("SRV RR order run %zu failed\n", run);
+ fail = 1;
+ }
+ prio0 = rr->u.srv->priority;
+ printf("SRV RR order run %lu output: prio %lu weight %lu\n",
+ (unsigned long)run, (unsigned long)rr->u.srv->priority,
+ (unsigned long)rr->u.srv->weight);
+ rr = rr->next;
+ }
+ assert(i == NUMRRS);
+
+ return fail;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct rk_dns_reply *r;
+ struct rk_resource_record *rr;
+ int optidx = 0, i, exit_code = 0;
+
+ setprogname (argv[0]);
+ rk_random_init();
+
+ if (getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
+ usage(1);
+
+ if (help_flag)
+ usage (0);
+
+ if (version_flag) {
+ printf("some version\n");
+ exit(0);
+ }
+
+ argc -= optidx;
+ argv += optidx;
+
+ if (argc != 2 && argc != 0 && !srv_rr_order)
+ usage(1);
+
+ if (srv_rr_order) {
+ exit_code += test_rk_dns_srv_order(0);
+ exit_code += test_rk_dns_srv_order(1);
+ exit_code += test_rk_dns_srv_order(2);
+ exit_code += test_rk_dns_srv_order(3);
+ exit_code += test_rk_dns_srv_order(4);
+ exit_code += test_rk_dns_srv_order(5);
+ }
+
+ if (srv_rr_order && argc == 0)
+ exit(exit_code ? 1 : 0);
+
+ if (argc != 2)
+ usage(1);
+
+ for (i = 0; i < loop_integer; i++) {
+
+ r = rk_dns_lookup(argv[0], argv[1]);
+ if (r == NULL) {
+ printf("No reply.\n");
+ exit_code = 1;
+ break;
+ }
+ if (r->q.type == rk_ns_t_srv)
+ rk_dns_srv_order(r);
+
+ for (rr = r->head; rr;rr=rr->next) {
+ printf("%-30s %-5s %-6d ", rr->domain, rk_dns_type_to_string(rr->type), rr->ttl);
+ switch (rr->type) {
+ case rk_ns_t_ns:
+ case rk_ns_t_cname:
+ case rk_ns_t_ptr:
+ printf("%s\n", (char*)rr->u.data);
+ break;
+ case rk_ns_t_a:
+ printf("%s\n", inet_ntoa(*rr->u.a));
+ break;
+ case rk_ns_t_mx:
+ case rk_ns_t_afsdb: {
+ printf("%d %s\n", rr->u.mx->preference, rr->u.mx->domain);
+ break;
+ }
+ case rk_ns_t_srv: {
+ struct rk_srv_record *srv = rr->u.srv;
+ printf("%d %d %d %s\n", srv->priority, srv->weight,
+ srv->port, srv->target);
+ break;
+ }
+ case rk_ns_t_txt: {
+ printf("%s\n", rr->u.txt);
+ break;
+ }
+ case rk_ns_t_sig: {
+ struct rk_sig_record *sig = rr->u.sig;
+ const char *type_string = rk_dns_type_to_string (sig->type);
+
+ printf("type %u (%s), algorithm %u, labels %u, orig_ttl %u, "
+ "sig_expiration %u, sig_inception %u, key_tag %u, "
+ "signer %s\n",
+ sig->type, type_string ? type_string : "",
+ sig->algorithm, sig->labels, sig->orig_ttl,
+ sig->sig_expiration, sig->sig_inception, sig->key_tag,
+ sig->signer);
+ break;
+ }
+ case rk_ns_t_key: {
+ struct rk_key_record *key = rr->u.key;
+
+ printf("flags %u, protocol %u, algorithm %u\n",
+ key->flags, key->protocol, key->algorithm);
+ break;
+ }
+ case rk_ns_t_sshfp: {
+ struct rk_sshfp_record *sshfp = rr->u.sshfp;
+ size_t j;
+
+ printf ("alg %u type %u length %lu data ", sshfp->algorithm,
+ sshfp->type, (unsigned long)sshfp->sshfp_len);
+ for (j = 0; j < sshfp->sshfp_len; j++)
+ printf("%02X", sshfp->sshfp_data[j]);
+ printf("\n");
+
+ break;
+ }
+ case rk_ns_t_ds: {
+ struct rk_ds_record *ds = rr->u.ds;
+ size_t j;
+
+ printf("key tag %u alg %u type %u length %lu data ",
+ ds->key_tag, ds->algorithm, ds->digest_type,
+ (unsigned long)ds->digest_len);
+ for (j = 0; j < ds->digest_len; j++)
+ printf("%02X", ds->digest_data[j]);
+ printf("\n");
+
+ break;
+ }
+ default:
+ printf("\n");
+ break;
+ }
+ }
+ rk_dns_free_data(r);
+ }
+
+ return exit_code ? 1 : 0;
+}
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