/*% Main processing routine for dig */
int
main(int argc, char **argv) {
isc_result_t result;
ISC_LIST_INIT(lookup_list);
ISC_LIST_INIT(server_list);
ISC_LIST_INIT(search_list);
debug("main()");
preparse_args(argc, argv);
progname = argv[0];
result = isc_app_start();
check_result(result, "isc_app_start");
setup_libs();
parse_args(ISC_FALSE, ISC_FALSE, argc, argv);
setup_system();
if (domainopt[0] != '\0') {
set_search_domain(domainopt);
usesearch = ISC_TRUE;
}
result = isc_app_onrun(mctx, global_task, onrun_callback, NULL);
check_result(result, "isc_app_onrun");
isc_app_run();
destroy_lookup(default_lookup);
if (batchname != NULL) {
if (batchfp != stdin)
fclose(batchfp);
batchname = NULL;
}
#ifdef DIG_SIGCHASE
clean_trustedkey();
#endif
cancel_all();
destroy_libs();
isc_app_finish();
return (exitcode);
}
int
main(int argc, char *argv[]) {
dns_client_t *client = NULL;
isc_result_t result;
dns_fixedname_t qfn;
dns_name_t *query_name, *response_name;
dns_rdataset_t *rdataset;
dns_namelist_t namelist;
unsigned int resopt, clopt;
isc_appctx_t *actx = NULL;
isc_taskmgr_t *taskmgr = NULL;
isc_socketmgr_t *socketmgr = NULL;
isc_timermgr_t *timermgr = NULL;
dns_master_style_t *style = NULL;
#ifndef WIN32
struct sigaction sa;
#endif
progname = argv[0];
preparse_args(argc, argv);
argc--;
argv++;
isc_lib_register();
result = dns_lib_init();
if (result != ISC_R_SUCCESS)
fatal("dns_lib_init failed: %d", result);
result = isc_mem_create(0, 0, &mctx);
if (result != ISC_R_SUCCESS)
fatal("failed to create mctx");
CHECK(isc_appctx_create(mctx, &actx));
CHECK(isc_taskmgr_createinctx(mctx, actx, 1, 0, &taskmgr));
CHECK(isc_socketmgr_createinctx(mctx, actx, &socketmgr));
CHECK(isc_timermgr_createinctx(mctx, actx, &timermgr));
parse_args(argc, argv);
CHECK(setup_style(&style));
setup_logging(stderr);
CHECK(isc_app_ctxstart(actx));
#ifndef WIN32
/* Unblock SIGINT if it's been blocked by isc_app_ctxstart() */
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
if (sigfillset(&sa.sa_mask) != 0 || sigaction(SIGINT, &sa, NULL) < 0)
fatal("Couldn't set up signal handler");
#endif
/* Create client */
clopt = DNS_CLIENTCREATEOPT_USECACHE;
result = dns_client_createx2(mctx, actx, taskmgr, socketmgr, timermgr,
clopt, &client, srcaddr4, srcaddr6);
if (result != ISC_R_SUCCESS) {
delv_log(ISC_LOG_ERROR, "dns_client_create: %s",
isc_result_totext(result));
goto cleanup;
}
/* Set the nameserver */
if (server != NULL)
addserver(client);
else
findserver(client);
CHECK(setup_dnsseckeys(client));
/* Construct QNAME */
CHECK(convert_name(&qfn, &query_name, qname));
/* Set up resolution options */
resopt = DNS_CLIENTRESOPT_ALLOWRUN | DNS_CLIENTRESOPT_NOCDFLAG;
if (no_sigs)
resopt |= DNS_CLIENTRESOPT_NODNSSEC;
if (!root_validation && !dlv_validation)
resopt |= DNS_CLIENTRESOPT_NOVALIDATE;
if (cdflag)
resopt &= ~DNS_CLIENTRESOPT_NOCDFLAG;
/* Perform resolution */
ISC_LIST_INIT(namelist);
result = dns_client_resolve(client, query_name, dns_rdataclass_in,
qtype, resopt, &namelist);
if (result != ISC_R_SUCCESS)
delv_log(ISC_LOG_ERROR, "resolution failed: %s",
isc_result_totext(result));
for (response_name = ISC_LIST_HEAD(namelist);
response_name != NULL;
response_name = ISC_LIST_NEXT(response_name, link)) {
for (rdataset = ISC_LIST_HEAD(response_name->list);
rdataset != NULL;
rdataset = ISC_LIST_NEXT(rdataset, link)) {
result = printdata(rdataset, response_name, style);
if (result != ISC_R_SUCCESS)
delv_log(ISC_LOG_ERROR, "print data failed");
}
}
dns_client_freeresanswer(client, &namelist);
cleanup:
if (dlv_anchor != NULL)
isc_mem_free(mctx, dlv_anchor);
if (trust_anchor != NULL)
isc_mem_free(mctx, trust_anchor);
if (anchorfile != NULL)
isc_mem_free(mctx, anchorfile);
if (qname != NULL)
isc_mem_free(mctx, qname);
if (style != NULL)
dns_master_styledestroy(&style, mctx);
if (client != NULL)
dns_client_destroy(&client);
if (taskmgr != NULL)
isc_taskmgr_destroy(&taskmgr);
if (timermgr != NULL)
isc_timermgr_destroy(&timermgr);
if (socketmgr != NULL)
isc_socketmgr_destroy(&socketmgr);
if (actx != NULL)
isc_appctx_destroy(&actx);
if (lctx != NULL)
isc_log_destroy(&lctx);
isc_mem_detach(&mctx);
dns_lib_shutdown();
return (0);
}
