+/*
+ * adh-query.c
+ * - useful general-purpose resolver client program
+ * make queries and print answers
+ */
+/*
+ * This file is
+ * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *
+ * It is part of adns, which is
+ * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ * Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+struct query_node {
+ struct query_node *next, *back;
+ struct perqueryflags_remember pqfr;
+ char *id;
+ adns_query qu;
+};
+
+static adns_state ads;
+static struct { struct query_node *head, *tail; } outstanding;
+
+static unsigned long idcounter;
+
+static void domain_do(const char *domain) {
+ struct query_node *qun;
+ char idbuf[20];
+
+ if (!ads) {
+ if (signal(SIGPIPE,SIG_IGN) == SIG_ERR) sysfail("ignore SIGPIPE");
+ r= adns_init(&ads,
+ adns_if_noautosys|adns_if_nosigpipe |
+ (ov_env ? 0 : adns_ifnoenv) |
+ ov_verbose,
+ 0);
+ if (r) sysfail("adns_init",r);
+ }
+
+ qun= malloc(sizeof(*qun));
+ qun->pqfr= ov_pqfr;
+ if (ov_id) {
+ qun->id= xstrsave(ov_id);
+ } else {
+ sprintf(idbuf,"%lu",idcounter++);
+ idcounter &= 0x0fffffffflu;
+ qun->id= xstrsave(idbuf);
+ }
+
+ r= adns_submit(ads, domain, type,
+ (ov_search ? adns_qf_search : 0) |
+ (ov_tcp ? adns_qf_usevc : 0) |
+ (ov_pqfr.show_owner ? adns_qf_owner : 0) |
+ (ov_qc_query ? adns_qf_quoteok_query : 0) |
+ (ov_qc_anshost ? adns_qf_quoteok_anshost : 0) |
+ (ov_qc_cname ? 0 : adns_qf_quoteok_cname) |
+ ov_cname,
+ qun,
+ &qun->qu);
+ if (r) sysfail("adns_submit",r);
+
+ DLIST_LINK_TAIL(outstanding,qun);
+}