3 * - useful general-purpose resolver client program
4 * make queries and print answers
8 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
10 * It is part of adns, which is
11 * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
12 * Copyright (C) 1999 Tony Finch <dot@dotat.at>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2, or (at your option)
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 struct query_node *next, *back;
31 struct perqueryflags_remember pqfr;
36 static adns_state ads;
37 static struct { struct query_node *head, *tail; } outstanding;
39 static unsigned long idcounter;
41 static void domain_do(const char *domain) {
42 struct query_node *qun;
46 if (signal(SIGPIPE,SIG_IGN) == SIG_ERR) sysfail("ignore SIGPIPE");
48 adns_if_noautosys|adns_if_nosigpipe |
49 (ov_env ? 0 : adns_ifnoenv) |
52 if (r) sysfail("adns_init",r);
55 qun= malloc(sizeof(*qun));
58 qun->id= xstrsave(ov_id);
60 sprintf(idbuf,"%lu",idcounter++);
61 idcounter &= 0x0fffffffflu;
62 qun->id= xstrsave(idbuf);
65 r= adns_submit(ads, domain, type,
66 (ov_search ? adns_qf_search : 0) |
67 (ov_tcp ? adns_qf_usevc : 0) |
68 (ov_pqfr.show_owner ? adns_qf_owner : 0) |
69 (ov_qc_query ? adns_qf_quoteok_query : 0) |
70 (ov_qc_anshost ? adns_qf_quoteok_anshost : 0) |
71 (ov_qc_cname ? 0 : adns_qf_quoteok_cname) |
75 if (r) sysfail("adns_submit",r);
77 DLIST_LINK_TAIL(outstanding,qun);