From: James Coglan <james@neighbourhood.ie>
Date: Wed, 12 Jun 2024 17:47:04 +0000 (+0100)
Subject: resolved: tests for dns_packet_append_answer(); LOC records
X-Git-Tag: v257-rc1~844^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b81b8faa4301240992f8effb879ebae9b108d53f;p=thirdparty%2Fsystemd.git

resolved: tests for dns_packet_append_answer(); LOC records
---

diff --git a/src/resolve/test-dns-packet-append.c b/src/resolve/test-dns-packet-append.c
index 6a8f8325a48..b87e7de30ce 100644
--- a/src/resolve/test-dns-packet-append.c
+++ b/src/resolve/test-dns-packet-append.c
@@ -816,6 +816,60 @@ TEST(packet_append_answer_single_txt) {
         ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
 }
 
+TEST(packet_append_answer_single_loc) {
+        _cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
+        _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+        DnsResourceRecord *rr = NULL;
+
+        rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_LOC, "example.com");
+        ASSERT_NOT_NULL(rr);
+        rr->ttl = 3601;
+        rr->loc.version = 0;
+        rr->loc.size = 0x29;
+        rr->loc.horiz_pre = 0x34;
+        rr->loc.vert_pre = 0x53;
+        rr->loc.latitude = 2332887285;
+        rr->loc.longitude = 2146974024;
+        rr->loc.altitude = 10000000;
+
+        answer = dns_answer_new(1);
+        ASSERT_NOT_NULL(answer);
+        dns_answer_add(answer, rr, 1, 0, NULL);
+        dns_resource_record_unref(rr);
+
+        ASSERT_OK(dns_packet_new(&packet, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX));
+        ASSERT_NOT_NULL(packet);
+
+        DNS_PACKET_ID(packet) = htobe16(42);
+        DNS_PACKET_HEADER(packet)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(1, 0, 1, 0, 1, 1, 0, 0, DNS_RCODE_SUCCESS));
+        DNS_PACKET_HEADER(packet)->ancount = htobe16(dns_answer_size(answer));
+
+        ASSERT_OK(dns_packet_append_answer(packet, answer, NULL));
+
+        const uint8_t data[] = {
+                        0x00, 0x2a,     BIT_QR | BIT_AA | BIT_RD, BIT_RA | DNS_RCODE_SUCCESS,
+                        0x00, 0x00,     0x00, 0x01,     0x00, 0x00,     0x00, 0x00,
+
+        /* name */      0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
+                        0x03, 'c', 'o', 'm',
+                        0x00,
+        /* LOC */       0x00, 0x1d,
+        /* IN */        0x00, 0x01,
+        /* ttl */       0x00, 0x00, 0x0e, 0x11,
+        /* rdata */     0x00, 0x10,
+        /* version */   0x00,
+        /* size */      0x29,
+        /* horiz pre */ 0x34,
+        /* vert pre */  0x53,
+        /* latitude */  0x8b, 0x0d, 0x08, 0xf5,
+        /* longitude */ 0x7f, 0xf8, 0x39, 0x48,
+        /* altitude */  0x00, 0x98, 0x96, 0x80
+        };
+
+        ASSERT_EQ(packet->size, sizeof(data));
+        ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
+}
+
 TEST(packet_append_answer_single_srv) {
         _cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
         _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;