Reorganised adnshost into several files, some querying.

[adns] / client / adh-query.c

diff --git a/client/adh-query.c b/client/adh-query.c
new file mode 100644 (file)
index 0000000..fa85779
--- /dev/null
+++ b/client/adh-query.c
@@ -0,0 +1,78 @@
+/*
+ * 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);
+}