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authorLennart Poettering <lennart@poettering.net>2015-11-23 21:21:13 +0100
committerLennart Poettering <lennart@poettering.net>2015-11-23 21:31:29 +0100
commit0e8eedbb490b8928d4fa4e33f565a3cda5013018 (patch)
tree0b5a15e7944c1d726af9fb59845b1634253347fa /src/test/test-dns-domain.c
parenta5ef363808b100856783784654de9b6bf2110173 (diff)
dns-domain: add calls to join/split SRV/DNS-SD service domains
This adds dns_service_join() and dns_service_split() which may be used to concatenate a DNS-SD service name, am SRV service type string, and a domain name into a full resolvable DNS domain name string. If the service name is specified as NULL, only the type and domain are appended, to implement classic, non-DNS-SD SRV lookups. The reverse is dns_service_split() which takes the full name, and split it into the three components again.
Diffstat (limited to 'src/test/test-dns-domain.c')
-rw-r--r--src/test/test-dns-domain.c62
1 files changed, 61 insertions, 1 deletions
diff --git a/src/test/test-dns-domain.c b/src/test/test-dns-domain.c
index a23d5dee05..a664e1c79c 100644
--- a/src/test/test-dns-domain.c
+++ b/src/test/test-dns-domain.c
@@ -332,7 +332,6 @@ static void test_dns_srv_type_verify(void) {
assert_se(dns_srv_type_verify("_http._tcp") > 0);
assert_se(dns_srv_type_verify("_foo-bar._tcp") > 0);
assert_se(dns_srv_type_verify("_w._udp") > 0);
- assert_se(dns_srv_type_verify("_piep._sub._w._udp") > 0);
assert_se(dns_srv_type_verify("_a800._tcp") > 0);
assert_se(dns_srv_type_verify("_a-800._tcp") > 0);
@@ -348,6 +347,65 @@ static void test_dns_srv_type_verify(void) {
assert_se(dns_srv_type_verify("_800._tcp") == 0);
assert_se(dns_srv_type_verify("_-800._tcp") == 0);
assert_se(dns_srv_type_verify("_-foo._tcp") == 0);
+ assert_se(dns_srv_type_verify("_piep._foo._udp") == 0);
+}
+
+static void test_dns_service_join_one(const char *a, const char *b, const char *c, int r, const char *d) {
+ _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL, *t = NULL;
+
+ assert_se(dns_service_join(a, b, c, &t) == r);
+ assert_se(streq_ptr(t, d));
+
+ if (r < 0)
+ return;
+
+ assert_se(dns_service_split(t, &x, &y, &z) >= 0);
+ assert_se(streq_ptr(a, x));
+ assert_se(streq_ptr(b, y));
+ assert_se(streq_ptr(c, z));
+}
+
+static void test_dns_service_join(void) {
+ test_dns_service_join_one("", "", "", -EINVAL, NULL);
+ test_dns_service_join_one("", "_http._tcp", "", -EINVAL, NULL);
+ test_dns_service_join_one("", "_http._tcp", "foo", -EINVAL, NULL);
+ test_dns_service_join_one("foo", "", "foo", -EINVAL, NULL);
+ test_dns_service_join_one("foo", "foo", "foo", -EINVAL, NULL);
+
+ test_dns_service_join_one("foo", "_http._tcp", "", 0, "foo._http._tcp");
+ test_dns_service_join_one(NULL, "_http._tcp", "", 0, "_http._tcp");
+ test_dns_service_join_one("foo", "_http._tcp", "foo", 0, "foo._http._tcp.foo");
+ test_dns_service_join_one(NULL, "_http._tcp", "foo", 0, "_http._tcp.foo");
+ test_dns_service_join_one("Lennart's PC", "_pc._tcp", "foo.bar.com", 0, "Lennart\\039s\\032PC._pc._tcp.foo.bar.com");
+ test_dns_service_join_one(NULL, "_pc._tcp", "foo.bar.com", 0, "_pc._tcp.foo.bar.com");
+}
+
+static void test_dns_service_split_one(const char *joined, const char *a, const char *b, const char *c, int r) {
+ _cleanup_free_ char *x = NULL, *y = NULL, *z = NULL, *t = NULL;
+
+ assert_se(dns_service_split(joined, &x, &y, &z) == r);
+ assert_se(streq_ptr(x, a));
+ assert_se(streq_ptr(y, b));
+ assert_se(streq_ptr(z, c));
+
+ if (r < 0)
+ return;
+
+ if (y) {
+ assert_se(dns_service_join(x, y, z, &t) == 0);
+ assert_se(streq_ptr(joined, t));
+ } else
+ assert_se(!x && streq_ptr(z, joined));
+}
+
+static void test_dns_service_split(void) {
+ test_dns_service_split_one("", NULL, NULL, "", 0);
+ test_dns_service_split_one("foo", NULL, NULL, "foo", 0);
+ test_dns_service_split_one("foo.bar", NULL, NULL, "foo.bar", 0);
+ test_dns_service_split_one("_foo.bar", NULL, NULL, "_foo.bar", 0);
+ test_dns_service_split_one("_foo._bar", NULL, "_foo._bar", "", 0);
+ test_dns_service_split_one("_meh._foo._bar", "_meh", "_foo._bar", "", 0);
+ test_dns_service_split_one("Wuff\\032Wuff._foo._bar.waldo.com", "Wuff Wuff", "_foo._bar", "waldo.com", 0);
}
int main(int argc, char *argv[]) {
@@ -367,6 +425,8 @@ int main(int argc, char *argv[]) {
test_dns_name_to_wire_format();
test_dns_service_name_is_valid();
test_dns_srv_type_verify();
+ test_dns_service_join();
+ test_dns_service_split();
return 0;
}