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Merge pull request #15669 from andir/systemd-ipv6-pd-subnet-id

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networkd: subnet id support for ipv6 prefix delegation
This commit is contained in:
Lennart Poettering
2020-05-27 18:47:26 +02:00
committed by GitHub
parent 6bce17455e 02e9e34bd9
commit bb2294e454
11 changed files with 329 additions and 54 deletions
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src/test/test-socket-util.c
+40
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@@ -173,6 +173,45 @@ static void test_in_addr_prefix_next(void) {
test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120, NULL);
}
static void test_in_addr_prefix_nth_one(unsigned f, const char *before, unsigned pl, uint64_t nth, const char *after) {
union in_addr_union ubefore, uafter, t;
assert_se(in_addr_from_string(f, before, &ubefore) >= 0);
t = ubefore;
assert_se((in_addr_prefix_nth(f, &t, pl, nth) > 0) == !!after);
if (after) {
assert_se(in_addr_from_string(f, after, &uafter) >= 0);
assert_se(in_addr_equal(f, &t, &uafter) > 0);
}
}
static void test_in_addr_prefix_nth(void) {
log_info("/* %s */", __func__);
test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 24, 0, "192.168.0.0");
test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 24, 1, "192.168.1.0");
test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 24, 4, "192.168.4.0");
test_in_addr_prefix_nth_one(AF_INET, "192.168.0.0", 25, 1, "192.168.0.128");
test_in_addr_prefix_nth_one(AF_INET, "192.168.255.0", 25, 1, "192.168.255.128");
test_in_addr_prefix_nth_one(AF_INET, "192.168.255.0", 24, 0, "192.168.255.0");
test_in_addr_prefix_nth_one(AF_INET, "255.255.255.255", 32, 1, NULL);
test_in_addr_prefix_nth_one(AF_INET, "255.255.255.255", 0, 1, NULL);
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 8, 1, "4500::");
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 7, 1, "4600::");
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 1, "4400:0:0:1::");
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 2, "4400:0:0:2::");
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 64, 0xbad, "4400:0:0:0bad::");
test_in_addr_prefix_nth_one(AF_INET6, "4400:0:0:ffff::", 64, 1, "4400:0:1::");
test_in_addr_prefix_nth_one(AF_INET6, "4400::", 56, ((uint64_t)1<<48) -1, "44ff:ffff:ffff:ff00::");
test_in_addr_prefix_nth_one(AF_INET6, "0000::", 8, 255, "ff00::");
test_in_addr_prefix_nth_one(AF_INET6, "0000::", 8, 256, NULL);
test_in_addr_prefix_nth_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, 1, NULL);
test_in_addr_prefix_nth_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 0, 1, NULL);
}
static void test_in_addr_to_string_one(int f, const char *addr) {
union in_addr_union ua;
_cleanup_free_ char *r = NULL;
@@ -691,6 +730,7 @@ int main(int argc, char *argv[]) {
test_in_addr_is_null();
test_in_addr_prefix_intersect();
test_in_addr_prefix_next();
test_in_addr_prefix_nth();
test_in_addr_to_string();
test_in_addr_ifindex_to_string();
test_in_addr_ifindex_from_string_auto();