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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /bin/tests/optional/adb_test.c | |
parent | Initial commit. (diff) | |
download | bind9-upstream/1%9.16.44.tar.xz bind9-upstream/1%9.16.44.zip |
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | bin/tests/optional/adb_test.c | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/bin/tests/optional/adb_test.c b/bin/tests/optional/adb_test.c new file mode 100644 index 0000000..7e9e4ca --- /dev/null +++ b/bin/tests/optional/adb_test.c @@ -0,0 +1,410 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +/*! \file */ + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <isc/app.h> +#include <isc/buffer.h> +#include <isc/hash.h> +#include <isc/managers.h> +#include <isc/print.h> +#include <isc/socket.h> +#include <isc/task.h> +#include <isc/timer.h> +#include <isc/util.h> + +#include <dns/adb.h> +#include <dns/cache.h> +#include <dns/db.h> +#include <dns/dispatch.h> +#include <dns/log.h> +#include <dns/result.h> +#include <dns/rootns.h> + +typedef struct client client_t; +struct client { + dns_name_t name; + const char *target; + ISC_LINK(client_t) link; + dns_adbfind_t *find; +}; + +static isc_mem_t *mctx = NULL; +static isc_mempool_t *cmp = NULL; +static isc_log_t *lctx = NULL; +static isc_logconfig_t *lcfg = NULL; +static isc_nm_t *netmgr = NULL; +static isc_taskmgr_t *taskmgr = NULL; +static isc_socketmgr_t *socketmgr = NULL; +static isc_timermgr_t *timermgr = NULL; +static dns_dispatchmgr_t *dispatchmgr = NULL; +static isc_task_t *t1 = NULL, *t2 = NULL; +static dns_view_t *view = NULL; +static dns_db_t *rootdb = NULL; +static ISC_LIST(client_t) clients; +static isc_mutex_t client_lock; +static isc_stdtime_t now; +static dns_adb_t *adb = NULL; + +static void +check_result(isc_result_t result, const char *format, ...) + ISC_FORMAT_PRINTF(2, 3); + +static void +check_result(isc_result_t result, const char *format, ...) { + va_list args; + + if (result == ISC_R_SUCCESS) { + return; + } + + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, ": %s\n", isc_result_totext(result)); + exit(1); +} + +static client_t * +new_client(void) { + client_t *client; + + client = isc_mempool_get(cmp); + INSIST(client != NULL); + dns_name_init(&client->name, NULL); + ISC_LINK_INIT(client, link); + client->find = NULL; + + return (client); +} + +static void +free_client(client_t **c) { + client_t *client; + + INSIST(c != NULL); + client = *c; + *c = NULL; + INSIST(client != NULL); + dns_name_free(&client->name, mctx); + INSIST(!ISC_LINK_LINKED(client, link)); + INSIST(client->find == NULL); + + isc_mempool_put(cmp, client); +} + +static void +CLOCK(void) { + RUNTIME_CHECK(isc_mutex_lock(&client_lock) == ISC_R_SUCCESS); +} + +static void +CUNLOCK(void) { + RUNTIME_CHECK(isc_mutex_unlock(&client_lock) == ISC_R_SUCCESS); +} + +static void +lookup_callback(isc_task_t *task, isc_event_t *ev) { + client_t *client; + + client = ev->ev_arg; + INSIST(client->find == ev->ev_sender); + + printf("NAME %s:\n\tTask %p got event %p type %08x from %p, client " + "%p\n\terr4: %s err6: %s\n", + client->target, task, ev, ev->ev_type, client->find, client, + isc_result_totext(client->find->result_v4), + isc_result_totext(client->find->result_v6)); + + isc_event_free(&ev); + ev = NULL; + + CLOCK(); + + dns_adb_dumpfind(client->find, stderr); + dns_adb_destroyfind(&client->find); + + ISC_LIST_UNLINK(clients, client, link); + free_client(&client); + + CUNLOCK(); +} + +static void +create_managers(void) { + isc_result_t result; + + result = isc_managers_create(mctx, 5, 0, &netmgr, &taskmgr); + check_result(result, "isc_managers_create"); + + result = isc_timermgr_create(mctx, &timermgr); + check_result(result, "isc_timermgr_create"); + + result = isc_socketmgr_create(mctx, &socketmgr); + check_result(result, "isc_socketmgr_create"); + + result = dns_dispatchmgr_create(mctx, &dispatchmgr); + check_result(result, "dns_dispatchmgr_create"); +} + +static void +create_view(void) { + dns_cache_t *cache = NULL; + isc_result_t result; + + /* + * View. + */ + result = dns_view_create(mctx, dns_rdataclass_in, "_default", &view); + check_result(result, "dns_view_create"); + + /* + * Cache. + */ + result = dns_cache_create(mctx, mctx, taskmgr, timermgr, + dns_rdataclass_in, "", "rbt", 0, NULL, + &cache); + check_result(result, "dns_cache_create"); + dns_view_setcache(view, cache, false); + dns_cache_detach(&cache); + + { + unsigned int attrs; + isc_sockaddr_t any4, any6; + dns_dispatch_t *disp4 = NULL; + dns_dispatch_t *disp6 = NULL; + + isc_sockaddr_any(&any4); + isc_sockaddr_any6(&any6); + + attrs = DNS_DISPATCHATTR_IPV4 | DNS_DISPATCHATTR_UDP; + RUNTIME_CHECK(dns_dispatch_getudp(dispatchmgr, socketmgr, + taskmgr, &any4, 512, 6, 1024, + 17, 19, attrs, attrs, + &disp4) == ISC_R_SUCCESS); + INSIST(disp4 != NULL); + + attrs = DNS_DISPATCHATTR_IPV6 | DNS_DISPATCHATTR_UDP; + RUNTIME_CHECK(dns_dispatch_getudp(dispatchmgr, socketmgr, + taskmgr, &any6, 512, 6, 1024, + 17, 19, attrs, attrs, + &disp6) == ISC_R_SUCCESS); + INSIST(disp6 != NULL); + + RUNTIME_CHECK(dns_view_createresolver(view, taskmgr, 10, 1, + socketmgr, timermgr, 0, + dispatchmgr, disp4, + disp6) == ISC_R_SUCCESS); + } + + rootdb = NULL; + result = dns_rootns_create(mctx, dns_rdataclass_in, NULL, &rootdb); + check_result(result, "dns_rootns_create()"); + dns_view_sethints(view, rootdb); + dns_db_detach(&rootdb); + + dns_view_freeze(view); +} + +static void +lookup(const char *target) { + dns_name_t name; + unsigned char namedata[256]; + client_t *client; + isc_buffer_t t, namebuf; + isc_result_t result; + unsigned int options; + + INSIST(target != NULL); + + client = new_client(); + isc_buffer_constinit(&t, target, strlen(target)); + isc_buffer_add(&t, strlen(target)); + isc_buffer_init(&namebuf, namedata, sizeof(namedata)); + dns_name_init(&name, NULL); + result = dns_name_fromtext(&name, &t, dns_rootname, 0, &namebuf); + check_result(result, "dns_name_fromtext %s", target); + + dns_name_dup(&name, mctx, &client->name); + + options = 0; + options |= DNS_ADBFIND_INET; + options |= DNS_ADBFIND_INET6; + options |= DNS_ADBFIND_WANTEVENT; + options |= DNS_ADBFIND_HINTOK; + options |= DNS_ADBFIND_GLUEOK; + result = dns_adb_createfind( + adb, t2, lookup_callback, client, &client->name, dns_rootname, + 0, options, now, NULL, view->dstport, 0, NULL, &client->find); + if (result != ISC_R_SUCCESS) { + printf("DNS_ADB_CREATEFIND -> %s\n", dns_result_totext(result)); + } + dns_adb_dumpfind(client->find, stderr); + + if ((client->find->options & DNS_ADBFIND_WANTEVENT) != 0) { + client->target = target; + ISC_LIST_APPEND(clients, client, link); + } else { + printf("NAME %s: err4 %s, err6 %s\n", target, + isc_result_totext(client->find->result_v4), + isc_result_totext(client->find->result_v6)); + + dns_adb_destroyfind(&client->find); + free_client(&client); + } +} + +int +main(int argc, char **argv) { + isc_result_t result; + isc_logdestination_t destination; + + UNUSED(argc); + UNUSED(argv); + + dns_result_register(); + result = isc_app_start(); + check_result(result, "isc_app_start()"); + + isc_stdtime_get(&now); + + isc_mutex_init(&client_lock); + + ISC_LIST_INIT(clients); + + /* + * EVERYTHING needs a memory context. + */ + isc_mem_create(&mctx); + + cmp = NULL; + isc_mempool_create(mctx, sizeof(client_t), &cmp); + isc_mempool_setname(cmp, "adb test clients"); + + isc_log_create(mctx, &lctx, &lcfg); + isc_log_setcontext(lctx); + dns_log_init(lctx); + dns_log_setcontext(lctx); + + /* + * Create and install the default channel. + */ + destination.file.stream = stderr; + destination.file.name = NULL; + destination.file.versions = ISC_LOG_ROLLNEVER; + destination.file.maximum_size = 0; + isc_log_createchannel(lcfg, "_default", ISC_LOG_TOFILEDESC, + ISC_LOG_DYNAMIC, &destination, ISC_LOG_PRINTTIME); + + result = isc_log_usechannel(lcfg, "_default", NULL, NULL); + check_result(result, "isc_log_usechannel()"); + + /* + * Set the initial debug level. + */ + isc_log_setdebuglevel(lctx, 2); + + create_managers(); + + result = isc_task_create(taskmgr, 0, &t1); + check_result(result, "isc_task_create t1"); + result = isc_task_create(taskmgr, 0, &t2); + check_result(result, "isc_task_create t2"); + + printf("task 1 = %p\n", t1); + printf("task 2 = %p\n", t2); + + create_view(); + RUNTIME_CHECK(view != NULL); + + adb = view->adb; + + /* + * Lock the entire client list here. This will cause all events + * for found names to block as well. + */ + CLOCK(); + lookup("f.root-servers.net."); /* Should be in hints */ + lookup("www.iengines.com"); /* should fetch */ + lookup("www.isc.org"); /* should fetch */ + lookup("www.flame.org"); /* should fetch */ + lookup("kechara.flame.org."); /* should fetch */ + lookup("moghedien.flame.org."); /* should fetch */ + lookup("mailrelay.flame.org."); /* should fetch */ + lookup("ipv4v6.flame.org."); /* should fetch */ + lookup("nonexistent.flame.org."); /* should fail to be found */ + lookup("foobar.badns.flame.org."); /* should fail utterly (NS) */ + lookup("i.root-servers.net."); /* Should be in hints */ + lookup("www.firstcard.com."); + lookup("dns04.flame.org."); + CUNLOCK(); + + sleep(10); + + dns_adb_dump(adb, stderr); + + sleep(10); + + CLOCK(); + lookup("f.root-servers.net."); /* Should be in hints */ + lookup("www.iengines.com"); /* should fetch */ + lookup("www.isc.org"); /* should fetch */ + lookup("www.flame.org"); /* should fetch */ + lookup("kechara.flame.org."); /* should fetch */ + lookup("moghedien.flame.org."); /* should fetch */ + lookup("mailrelay.flame.org."); /* should fetch */ + lookup("ipv4v6.flame.org."); /* should fetch */ + lookup("nonexistent.flame.org."); /* should fail to be found */ + lookup("foobar.badns.flame.org."); /* should fail utterly (NS) */ + lookup("i.root-servers.net."); /* Should be in hints */ + CUNLOCK(); + + sleep(20); + + dns_adb_dump(adb, stderr); + + isc_task_detach(&t1); + isc_task_detach(&t2); + + isc_mem_stats(mctx, stdout); + dns_adb_dump(adb, stderr); + + isc_app_run(); + + dns_adb_dump(adb, stderr); + + dns_view_detach(&view); + adb = NULL; + + fprintf(stderr, "Destroying socket manager\n"); + isc_socketmgr_destroy(&socketmgr); + fprintf(stderr, "Destroying timer manager\n"); + isc_timermgr_destroy(&timermgr); + + fprintf(stderr, "Destroying task and network managers\n"); + isc_managers_destroy(&netmgr, &taskmgr); + + isc_log_destroy(&lctx); + + isc_mempool_destroy(&cmp); + isc_mem_stats(mctx, stdout); + isc_mem_destroy(&mctx); + + isc_app_finish(); + + return (0); +} |