From b7c15c31519dc44c1f691e0466badd556ffe9423 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:18:56 +0200
Subject: Adding upstream version 3.7.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/dns/test_dns_lookup.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 src/dns/test_dns_lookup.c

(limited to 'src/dns/test_dns_lookup.c')

diff --git a/src/dns/test_dns_lookup.c b/src/dns/test_dns_lookup.c
new file mode 100644
index 0000000..e25f523
--- /dev/null
+++ b/src/dns/test_dns_lookup.c
@@ -0,0 +1,131 @@
+/*++
+/* NAME
+/*	test_dns_lookup 1
+/* SUMMARY
+/*	DNS lookup test program
+/* SYNOPSIS
+/*	test_dns_lookup query-type domain-name
+/* DESCRIPTION
+/*	test_dns_lookup performs a DNS query of the specified resource
+/*	type for the specified resource name.
+/* DIAGNOSTICS
+/*	Problems are reported to the standard error stream.
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*
+/*	Wietse Venema
+/*	Google, Inc.
+/*	111 8th Avenue
+/*	New York, NY 10011, USA
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+
+/* Utility library. */
+
+#include <vstring.h>
+#include <msg.h>
+#include <msg_vstream.h>
+#include <mymalloc.h>
+#include <argv.h>
+
+/* Global library. */
+
+#include <mail_params.h>
+
+/* Application-specific. */
+
+#include "dns.h"
+
+static void print_rr(VSTRING *buf, DNS_RR *rr)
+{
+    while (rr) {
+	vstream_printf("ad: %u, rr: %s\n",
+		       rr->dnssec_valid, dns_strrecord(buf, rr));
+	rr = rr->next;
+    }
+}
+
+static NORETURN usage(char **argv)
+{
+    msg_fatal("usage: %s [-npv] [-f filter] types name", argv[0]);
+}
+
+int     main(int argc, char **argv)
+{
+    ARGV   *types_argv;
+    unsigned *types;
+    char   *name;
+    VSTRING *fqdn = vstring_alloc(100);
+    VSTRING *why = vstring_alloc(100);
+    VSTRING *buf;
+    int     rcode;
+    DNS_RR *rr;
+    int     i;
+    int     ch;
+    int     lflags = DNS_REQ_FLAG_NONE;
+
+    var_dnssec_probe = "";
+
+    msg_vstream_init(argv[0], VSTREAM_ERR);
+    while ((ch = GETOPT(argc, argv, "f:npvs")) > 0) {
+	switch (ch) {
+	case 'v':
+	    msg_verbose++;
+	    break;
+	case 'f':
+	    dns_rr_filter_compile("DNS reply filter", optarg);
+	    break;
+	case 'n':
+	    lflags |= DNS_REQ_FLAG_NCACHE_TTL;
+	    break;
+	case 'p':
+	    var_dns_ncache_ttl_fix = 1;
+	    break;
+	case 's':
+	    var_dnssec_probe = DEF_DNSSEC_PROBE;
+	    break;
+	default:
+	    usage(argv);
+	}
+    }
+    if (argc != optind + 2)
+	usage(argv);
+    types_argv = argv_split(argv[optind], CHARS_COMMA_SP);
+    types = (unsigned *) mymalloc(sizeof(*types) * (types_argv->argc + 1));
+    for (i = 0; i < types_argv->argc; i++)
+	if ((types[i] = dns_type(types_argv->argv[i])) == 0)
+	    msg_fatal("invalid query type: %s", types_argv->argv[i]);
+    types[i] = 0;
+    argv_free(types_argv);
+    name = argv[optind + 1];
+    msg_verbose = 1;
+    switch (dns_lookup_rv(name, RES_USE_DNSSEC, &rr, fqdn, why,
+			  &rcode, lflags, types)) {
+    default:
+	msg_warn("%s (rcode=%d)", vstring_str(why), rcode);
+    case DNS_OK:
+	if (rr) {
+	    vstream_printf("%s: fqdn: %s\n", name, vstring_str(fqdn));
+	    buf = vstring_alloc(100);
+	    print_rr(buf, rr);
+	    dns_rr_free(rr);
+	    vstring_free(buf);
+	    vstream_fflush(VSTREAM_OUT);
+	}
+    }
+    myfree((void *) types);
+    exit(0);
+}
-- 
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