[PATCH 05/12] selftests/net: Add test for TCP-AO add setsockopt() command

Dmitry Safonov
2023-12-15T02:37:31Z

Verify corner-cases for UAPI.
Sample output:
> # ./setsockopt-closed_ipv4
> 1..120
> # 1657[lib/setup.c:254] rand seed 1681938184
> TAP version 13
> ok 1 AO add: minimum size
> ok 2 AO add: extended size
> ok 3 AO add: null optval
> ok 4 AO del: minimum size
> ok 5 AO del: extended size
> ok 6 AO del: null optval
> ok 7 AO set info: minimum size
> ok 8 AO set info: extended size
> ok 9 AO info get: : extended size
> ok 10 AO set info: null optval
> ok 11 AO get info: minimum size
> ok 12 AO get info: extended size
> ok 13 AO get info: null optval
> ok 14 AO get info: null optlen
> ok 15 AO get keys: minimum size
> ok 16 AO get keys: extended size
> ok 17 AO get keys: null optval
> ok 18 AO get keys: null optlen
> ok 19 key add: too big keylen
> ok 20 key add: using reserved padding
> ok 21 key add: using reserved2 padding
> ok 22 key add: wrong address family
> ok 23 key add: port (unsupported)
> ok 24 key add: no prefix, addr
> ok 25 key add: no prefix, any addr
> ok 26 key add: prefix, any addr
> ok 27 key add: too big prefix
> ok 28 key add: too short prefix
> ok 29 key add: bad key flags
> ok 30 key add: add current key on a listen socket
> ok 31 key add: add rnext key on a listen socket
> ok 32 key add: add current+rnext key on a listen socket
> ok 33 key add: add key and set as current
> ok 34 key add: add key and set as rnext
> ok 35 key add: add key and set as current+rnext
> ok 36 key add: ifindex without TCP_AO_KEYF_IFNINDEX
> ok 37 key add: non-existent VRF
> ok 38 optmem limit was hit on adding 69 key
> ok 39 key add: maclen bigger than TCP hdr
> ok 40 key add: bad algo
> ok 41 key del: using reserved padding
> ok 42 key del: using reserved2 padding
> ok 43 key del: del and set current key on a listen socket
> ok 44 key del: del and set rnext key on a listen socket
> ok 45 key del: del and set current+rnext key on a listen socket
> ok 46 key del: bad key flags
> ok 47 key del: ifindex without TCP_AO_KEYF_IFNINDEX
> ok 48 key del: non-existent VRF
> ok 49 key del: set non-exising current key
> ok 50 key del: set non-existing rnext key
> ok 51 key del: set non-existing current+rnext key
> ok 52 key del: set current key
> ok 53 key del: set rnext key
> ok 54 key del: set current+rnext key
> ok 55 key del: set as current key to be removed
> ok 56 key del: set as rnext key to be removed
> ok 57 key del: set as current+rnext key to be removed
> ok 58 key del: async on non-listen
> ok 59 key del: non-existing sndid
> ok 60 key del: non-existing rcvid
> ok 61 key del: incorrect addr
> ok 62 key del: correct key delete
> ok 63 AO info set: set current key on a listen socket
> ok 64 AO info set: set rnext key on a listen socket
> ok 65 AO info set: set current+rnext key on a listen socket
> ok 66 AO info set: using reserved padding
> ok 67 AO info set: using reserved2 padding
> ok 68 AO info set: accept_icmps
> ok 69 AO info get: accept_icmps
> ok 70 AO info set: ao required
> ok 71 AO info get: ao required
> ok 72 AO info set: ao required with MD5 key
> ok 73 AO info set: set non-existing current key
> ok 74 AO info set: set non-existing rnext key
> ok 75 AO info set: set non-existing current+rnext key
> ok 76 AO info set: set current key
> ok 77 AO info get: set current key
> ok 78 AO info set: set rnext key
> ok 79 AO info get: set rnext key
> ok 80 AO info set: set current+rnext key
> ok 81 AO info get: set current+rnext key
> ok 82 AO info set: set counters
> ok 83 AO info get: set counters
> ok 84 AO info set: no-op
> ok 85 AO info get: no-op
> ok 86 get keys: no ao_info
> ok 87 get keys: proper tcp_ao_get_mkts()
> ok 88 get keys: set out-only pkt_good counter
> ok 89 get keys: set out-only pkt_bad counter
> ok 90 get keys: bad keyflags
> ok 91 get keys: ifindex without TCP_AO_KEYF_IFNINDEX
> ok 92 get keys: using reserved field
> ok 93 get keys: no prefix, addr
> ok 94 get keys: no prefix, any addr
> ok 95 get keys: prefix, any addr
> ok 96 get keys: too big prefix
> ok 97 get keys: too short prefix
> ok 98 get keys: prefix + addr
> ok 99 get keys: get_all + prefix
> ok 100 get keys: get_all + addr
> ok 101 get keys: get_all + sndid
> ok 102 get keys: get_all + rcvid
> ok 103 get keys: current + prefix
> ok 104 get keys: current + addr
> ok 105 get keys: current + sndid
> ok 106 get keys: current + rcvid
> ok 107 get keys: rnext + prefix
> ok 108 get keys: rnext + addr
> ok 109 get keys: rnext + sndid
> ok 110 get keys: rnext + rcvid
> ok 111 get keys: get_all + current
> ok 112 get keys: get_all + rnext
> ok 113 get keys: current + rnext
> ok 114 key add: duplicate: full copy
> ok 115 key add: duplicate: any addr key on the socket
> ok 116 key add: duplicate: add any addr key
> ok 117 key add: duplicate: add any addr for the same subnet
> ok 118 key add: duplicate: full copy of a key
> ok 119 key add: duplicate: RecvID differs
> ok 120 key add: duplicate: SendID differs
> # Totals: pass:120 fail:0 xfail:0 xpass:0 skip:0 error:0

Signed-off-by: Dmitry Safonov <dima@arista.com>
---
tools/testing/selftests/net/tcp_ao/Makefile | 1 +
.../selftests/net/tcp_ao/setsockopt-closed.c | 835 +++++++++++++++++++++
2 files changed, 836 insertions(+)

diff --git a/tools/testing/selftests/net/tcp_ao/Makefile b/tools/testing/selftests/net/tcp_ao/Makefile
index f3b1d7f42edb..1efd98ca12db 100644
--- a/tools/testing/selftests/net/tcp_ao/Makefile
+++ b/tools/testing/selftests/net/tcp_ao/Makefile
@@ -2,6 +2,7 @@
TEST_BOTH_AF := connect
TEST_BOTH_AF += connect-deny
TEST_BOTH_AF += icmps-accept icmps-discard
+TEST_BOTH_AF += setsockopt-closed

TEST_IPV4_PROGS := $(TEST_BOTH_AF:%=%_ipv4)
TEST_IPV6_PROGS := $(TEST_BOTH_AF:%=%_ipv6)
diff --git a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c
new file mode 100644
index 000000000000..7e4601b3f6a3
--- /dev/null
+++ b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c
@@ -0,0 +1,835 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Author: Dmitry Safonov <dima@arista.com> */
+#include <inttypes.h>
+#include "../../../../include/linux/kernel.h"
+#include "aolib.h"
+
+static union tcp_addr tcp_md5_client;
+
+static int test_port = 7788;
+static void make_listen(int sk)
+{
+ sockaddr_af addr;
+
+ tcp_addr_to_sockaddr_in(&addr, &this_ip_addr, htons(test_port++));
+ if (bind(sk, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+ test_error("bind()");
+ if (listen(sk, 1))
+ test_error("listen()");
+}
+
+static void test_vefify_ao_info(int sk, struct tcp_ao_info_opt *info,
+ const char *tst)
+{
+ struct tcp_ao_info_opt tmp;
+ socklen_t len = sizeof(tmp);
+
+ if (getsockopt(sk, IPPROTO_TCP, TCP_AO_INFO, &tmp, &len))
+ test_error("getsockopt(TCP_AO_INFO) failed");
+
+#define __cmp_ao(member) \
+do { \
+ if (info->member != tmp.member) { \
+ test_fail("%s: getsockopt(): " __stringify(member) " %zu != %zu", \
+ tst, (size_t)info->member, (size_t)tmp.member); \
+ return; \
+ } \
+} while(0)
+ if (info->set_current)
+ __cmp_ao(current_key);
+ if (info->set_rnext)
+ __cmp_ao(rnext);
+ if (info->set_counters) {
+ __cmp_ao(pkt_good);
+ __cmp_ao(pkt_bad);
+ __cmp_ao(pkt_key_not_found);
+ __cmp_ao(pkt_ao_required);
+ __cmp_ao(pkt_dropped_icmp);
+ }
+ __cmp_ao(ao_required);
+ __cmp_ao(accept_icmps);
+
+ test_ok("AO info get: %s", tst);
+#undef __cmp_ao
+}
+
+static void __setsockopt_checked(int sk, int optname, bool get,
+ void *optval, socklen_t *len,
+ int err, const char *tst, const char *tst2)
+{
+ int ret;
+
+ if (!tst)
+ tst = "";
+ if (!tst2)
+ tst2 = "";
+
+ errno = 0;
+ if (get)
+ ret = getsockopt(sk, IPPROTO_TCP, optname, optval, len);
+ else
+ ret = setsockopt(sk, IPPROTO_TCP, optname, optval, *len);
+ if (ret == -1) {
+ if (errno == err)
+ test_ok("%s%s", tst ?: "", tst2 ?: "");
+ else
+ test_fail("%s%s: %setsockopt() failed",
+ tst, tst2, get ? "g" : "s");
+ close(sk);
+ return;
+ }
+
+ if (err) {
+ test_fail("%s%s: %setsockopt() was expected to fail with %d",
+ tst, tst2, get ? "g" : "s", err);
+ } else {
+ test_ok("%s%s", tst ?: "", tst2 ?: "");
+ if (optname == TCP_AO_ADD_KEY) {
+ test_verify_socket_key(sk, optval);
+ } else if (optname == TCP_AO_INFO && !get) {
+ test_vefify_ao_info(sk, optval, tst2);
+ } else if (optname == TCP_AO_GET_KEYS) {
+ if (*len != sizeof(struct tcp_ao_getsockopt))
+ test_fail("%s%s: get keys returned wrong tcp_ao_getsockopt size",
+ tst, tst2);
+ }
+ }
+ close(sk);
+}
+
+static void setsockopt_checked(int sk, int optname, void *optval,
+ int err, const char *tst)
+{
+ const char *cmd = NULL;
+ socklen_t len;
+
+ switch (optname) {
+ case TCP_AO_ADD_KEY:
+ cmd = "key add: ";
+ len = sizeof(struct tcp_ao_add);
+ break;
+ case TCP_AO_DEL_KEY:
+ cmd = "key del: ";
+ len = sizeof(struct tcp_ao_del);
+ break;
+ case TCP_AO_INFO:
+ cmd = "AO info set: ";
+ len = sizeof(struct tcp_ao_info_opt);
+ break;
+ default:
+ break;
+ };
+
+ __setsockopt_checked(sk, optname, false, optval, &len, err, cmd, tst);
+}
+
+static int prepare_defs(int cmd, void *optval)
+{
+ int sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP);
+
+ if (sk < 0)
+ test_error("socket()");
+
+ switch (cmd) {
+ case TCP_AO_ADD_KEY: {
+ struct tcp_ao_add *add = optval;
+
+ if (test_prepare_def_key(add, DEFAULT_TEST_PASSWORD, 0, this_ip_dest,
+ -1, 0, 100, 100))
+ test_error("prepare default tcp_ao_add");
+ break;
+ }
+ case TCP_AO_DEL_KEY: {
+ struct tcp_ao_del *del = optval;
+
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest,
+ DEFAULT_TEST_PREFIX, 100, 100))
+ test_error("add default key");
+ memset(del, 0, sizeof(struct tcp_ao_del));
+ del->sndid = 100;
+ del->rcvid = 100;
+ del->prefix = DEFAULT_TEST_PREFIX;
+ tcp_addr_to_sockaddr_in(&del->addr, &this_ip_dest, 0);
+ break;
+ }
+ case TCP_AO_INFO: {
+ struct tcp_ao_info_opt *info = optval;
+
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest,
+ DEFAULT_TEST_PREFIX, 100, 100))
+ test_error("add default key");
+ memset(info, 0, sizeof(struct tcp_ao_info_opt));
+ break;
+ }
+ case TCP_AO_GET_KEYS: {
+ struct tcp_ao_getsockopt *get = optval;
+
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest,
+ DEFAULT_TEST_PREFIX, 100, 100))
+ test_error("add default key");
+ memset(get, 0, sizeof(struct tcp_ao_getsockopt));
+ get->nkeys = 1;
+ get->get_all = 1;
+ break;
+ }
+ default:
+ test_error("unknown cmd");
+ }
+
+ return sk;
+}
+
+static void test_extend(int cmd, bool get, const char *tst, socklen_t under_size)
+{
+ struct {
+ union {
+ struct tcp_ao_add add;
+ struct tcp_ao_del del;
+ struct tcp_ao_getsockopt get;
+ struct tcp_ao_info_opt info;
+ };
+ char *extend[100];
+ } tmp_opt;
+ socklen_t extended_size = sizeof(tmp_opt);
+ int sk;
+
+ memset(&tmp_opt, 0, sizeof(tmp_opt));
+ sk = prepare_defs(cmd, &tmp_opt);
+ __setsockopt_checked(sk, cmd, get, &tmp_opt, &under_size,
+ EINVAL, tst, ": minimum size");
+
+ memset(&tmp_opt, 0, sizeof(tmp_opt));
+ sk = prepare_defs(cmd, &tmp_opt);
+ __setsockopt_checked(sk, cmd, get, &tmp_opt, &extended_size,
+ 0, tst, ": extended size");
+
+ memset(&tmp_opt, 0, sizeof(tmp_opt));
+ sk = prepare_defs(cmd, &tmp_opt);
+ __setsockopt_checked(sk, cmd, get, NULL, &extended_size,
+ EFAULT, tst, ": null optval");
+
+ if (get) {
+ memset(&tmp_opt, 0, sizeof(tmp_opt));
+ sk = prepare_defs(cmd, &tmp_opt);
+ __setsockopt_checked(sk, cmd, get, &tmp_opt, NULL,
+ EFAULT, tst, ": null optlen");
+ }
+}
+
+static void extend_tests(void)
+{
+ test_extend(TCP_AO_ADD_KEY, false, "AO add",
+ offsetof(struct tcp_ao_add, key));
+ test_extend(TCP_AO_DEL_KEY, false, "AO del",
+ offsetof(struct tcp_ao_del, keyflags));
+ test_extend(TCP_AO_INFO, false, "AO set info",
+ offsetof(struct tcp_ao_info_opt, pkt_dropped_icmp));
+ test_extend(TCP_AO_INFO, true, "AO get info", -1);
+ test_extend(TCP_AO_GET_KEYS, true, "AO get keys", -1);
+}
+
+static void test_optmem_limit(void)
+{
+ size_t i, keys_limit, current_optmem = test_get_optmem();
+ struct tcp_ao_add ao;
+ union tcp_addr net = {};
+ int sk;
+
+ if (inet_pton(TEST_FAMILY, TEST_NETWORK, &net) != 1)
+ test_error("Can't convert ip address %s", TEST_NETWORK);
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ keys_limit = current_optmem / KERNEL_TCP_AO_KEY_SZ_ROUND_UP;
+ for (i = 0;; i++) {
+ union tcp_addr key_peer;
+ int err;
+
+ key_peer = gen_tcp_addr(net, i + 1);
+ tcp_addr_to_sockaddr_in(&ao.addr, &key_peer, 0);
+ err = setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY,
+ &ao, sizeof(ao));
+ if (!err) {
+ /*
+ * TCP_AO_ADD_KEY should be the same order as the real
+ * sizeof(struct tcp_ao_key) in kernel.
+ */
+ if (i <= keys_limit * 10)
+ continue;
+ test_fail("optmem limit test failed: added %zu key", i);
+ break;
+ }
+ if (i < keys_limit) {
+ test_fail("optmem limit test failed: couldn't add %zu key", i);
+ break;
+ }
+ test_ok("optmem limit was hit on adding %zu key", i);
+ break;
+ }
+ close(sk);
+}
+
+static void test_einval_add_key(void)
+{
+ struct tcp_ao_add ao;
+ int sk;
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.keylen = TCP_AO_MAXKEYLEN + 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "too big keylen");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.reserved = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "using reserved padding");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.reserved2 = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "using reserved2 padding");
+
+ /* tcp_ao_verify_ipv{4,6}() checks */
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.addr.ss_family = AF_UNIX;
+ memcpy(&ao.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "wrong address family");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ tcp_addr_to_sockaddr_in(&ao.addr, &this_ip_dest, 1234);
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "port (unsupported)");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.prefix = 0;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "no prefix, addr");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.prefix = 0;
+ memcpy(&ao.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, 0, "no prefix, any addr");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.prefix = 32;
+ memcpy(&ao.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "prefix, any addr");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.prefix = 129;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "too big prefix");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.prefix = 2;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "too short prefix");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.keyflags = (uint8_t)(-1);
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "bad key flags");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ make_listen(sk);
+ ao.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "add current key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ make_listen(sk);
+ ao.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "add rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ make_listen(sk);
+ ao.set_current = 1;
+ ao.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "add current+rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, 0, "add key and set as current");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, 0, "add key and set as rnext");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.set_current = 1;
+ ao.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, 0, "add key and set as current+rnext");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.ifindex = 42;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL,
+ "ifindex without TCP_AO_KEYF_IFNINDEX");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.keyflags |= TCP_AO_KEYF_IFINDEX;
+ ao.ifindex = 42;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EINVAL, "non-existent VRF");
+ /*
+ * tcp_md5_do_lookup{,_any_l3index}() are checked in unsigned-md5
+ * see client_vrf_tests().
+ */
+
+ test_optmem_limit();
+
+ /* tcp_ao_parse_crypto() */
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao.maclen = 100;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EMSGSIZE, "maclen bigger than TCP hdr");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ strcpy(ao.alg_name, "imaginary hash algo");
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, ENOENT, "bad algo");
+}
+
+static void test_einval_del_key(void)
+{
+ struct tcp_ao_del del;
+ int sk;
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.reserved = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "using reserved padding");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.reserved2 = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "using reserved2 padding");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ make_listen(sk);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "del and set current key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ make_listen(sk);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "del and set rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ make_listen(sk);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_current = 1;
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "del and set current+rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.keyflags = (uint8_t)(-1);
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "bad key flags");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.ifindex = 42;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL,
+ "ifindex without TCP_AO_KEYF_IFNINDEX");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.keyflags |= TCP_AO_KEYF_IFINDEX;
+ del.ifindex = 42;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "non-existent VRF");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set non-exising current key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set non-existing rnext key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_current = 1;
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set non-existing current+rnext key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, 0, "set current key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, 0, "set rnext key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ if (test_add_key(sk, DEFAULT_TEST_PASSWORD, this_ip_dest, DEFAULT_TEST_PREFIX, 0, 0))
+ test_error("add key");
+ del.set_current = 1;
+ del.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, 0, "set current+rnext key");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_current = 1;
+ del.current_key = 100;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set as current key to be removed");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_rnext = 1;
+ del.rnext = 100;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set as rnext key to be removed");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.set_current = 1;
+ del.current_key = 100;
+ del.set_rnext = 1;
+ del.rnext = 100;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "set as current+rnext key to be removed");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.del_async = 1;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, EINVAL, "async on non-listen");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.sndid = 101;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "non-existing sndid");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ del.rcvid = 101;
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "non-existing rcvid");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ tcp_addr_to_sockaddr_in(&del.addr, &this_ip_addr, 0);
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, ENOENT, "incorrect addr");
+
+ sk = prepare_defs(TCP_AO_DEL_KEY, &del);
+ setsockopt_checked(sk, TCP_AO_DEL_KEY, &del, 0, "correct key delete");
+}
+
+static void test_einval_ao_info(void)
+{
+ struct tcp_ao_info_opt info;
+ int sk;
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ make_listen(sk);
+ info.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EINVAL, "set current key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ make_listen(sk);
+ info.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EINVAL, "set rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ make_listen(sk);
+ info.set_current = 1;
+ info.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EINVAL, "set current+rnext key on a listen socket");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.reserved = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EINVAL, "using reserved padding");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.reserved2 = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EINVAL, "using reserved2 padding");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.accept_icmps = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "accept_icmps");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.ao_required = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "ao required");
+
+ if (!should_skip_test("ao required with MD5 key", KCONFIG_TCP_MD5)) {
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.ao_required = 1;
+ if (test_set_md5(sk, tcp_md5_client, TEST_PREFIX, -1,
+ "long long secret")) {
+ test_error("setsockopt(TCP_MD5SIG_EXT)");
+ close(sk);
+ } else {
+ setsockopt_checked(sk, TCP_AO_INFO, &info, EKEYREJECTED,
+ "ao required with MD5 key");
+ }
+ }
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_current = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, ENOENT, "set non-existing current key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, ENOENT, "set non-existing rnext key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_current = 1;
+ info.set_rnext = 1;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, ENOENT, "set non-existing current+rnext key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_current = 1;
+ info.current_key = 100;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "set current key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_rnext = 1;
+ info.rnext = 100;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "set rnext key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_current = 1;
+ info.set_rnext = 1;
+ info.current_key = 100;
+ info.rnext = 100;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "set current+rnext key");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ info.set_counters = 1;
+ info.pkt_good = 321;
+ info.pkt_bad = 888;
+ info.pkt_key_not_found = 654;
+ info.pkt_ao_required = 987654;
+ info.pkt_dropped_icmp = 10000;
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "set counters");
+
+ sk = prepare_defs(TCP_AO_INFO, &info);
+ setsockopt_checked(sk, TCP_AO_INFO, &info, 0, "no-op");
+}
+
+static void getsockopt_checked(int sk, struct tcp_ao_getsockopt *optval,
+ int err, const char *tst)
+{
+ socklen_t len = sizeof(struct tcp_ao_getsockopt);
+
+ __setsockopt_checked(sk, TCP_AO_GET_KEYS, true, optval, &len, err,
+ "get keys: ", tst);
+}
+
+static void test_einval_get_keys(void)
+{
+ struct tcp_ao_getsockopt out;
+ int sk;
+
+ sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP);
+ if (sk < 0)
+ test_error("socket()");
+ getsockopt_checked(sk, &out, ENOENT, "no ao_info");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ getsockopt_checked(sk, &out, 0, "proper tcp_ao_get_mkts()");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.pkt_good = 643;
+ getsockopt_checked(sk, &out, EINVAL, "set out-only pkt_good counter");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.pkt_bad = 94;
+ getsockopt_checked(sk, &out, EINVAL, "set out-only pkt_bad counter");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.keyflags = (uint8_t)(-1);
+ getsockopt_checked(sk, &out, EINVAL, "bad keyflags");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.ifindex = 42;
+ getsockopt_checked(sk, &out, EINVAL,
+ "ifindex without TCP_AO_KEYF_IFNINDEX");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.reserved = 1;
+ getsockopt_checked(sk, &out, EINVAL, "using reserved field");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = 0;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "no prefix, addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = 0;
+ memcpy(&out.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ getsockopt_checked(sk, &out, 0, "no prefix, any addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = 32;
+ memcpy(&out.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ getsockopt_checked(sk, &out, EINVAL, "prefix, any addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = 129;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "too big prefix");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = 2;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "too short prefix");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.prefix = DEFAULT_TEST_PREFIX;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, 0, "prefix + addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ out.prefix = DEFAULT_TEST_PREFIX;
+ getsockopt_checked(sk, &out, EINVAL, "get_all + prefix");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "get_all + addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ out.sndid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "get_all + sndid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ out.rcvid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "get_all + rcvid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_current = 1;
+ out.prefix = DEFAULT_TEST_PREFIX;
+ getsockopt_checked(sk, &out, EINVAL, "current + prefix");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_current = 1;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "current + addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_current = 1;
+ out.sndid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "current + sndid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_current = 1;
+ out.rcvid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "current + rcvid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_rnext = 1;
+ out.prefix = DEFAULT_TEST_PREFIX;
+ getsockopt_checked(sk, &out, EINVAL, "rnext + prefix");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_rnext = 1;
+ tcp_addr_to_sockaddr_in(&out.addr, &this_ip_dest, 0);
+ getsockopt_checked(sk, &out, EINVAL, "rnext + addr");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_rnext = 1;
+ out.sndid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "rnext + sndid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_rnext = 1;
+ out.rcvid = 1;
+ getsockopt_checked(sk, &out, EINVAL, "rnext + rcvid");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ out.is_current = 1;
+ getsockopt_checked(sk, &out, EINVAL, "get_all + current");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 1;
+ out.is_rnext = 1;
+ getsockopt_checked(sk, &out, EINVAL, "get_all + rnext");
+
+ sk = prepare_defs(TCP_AO_GET_KEYS, &out);
+ out.get_all = 0;
+ out.is_current = 1;
+ out.is_rnext = 1;
+ getsockopt_checked(sk, &out, 0, "current + rnext");
+}
+
+static void einval_tests(void)
+{
+ test_einval_add_key();
+ test_einval_del_key();
+ test_einval_ao_info();
+ test_einval_get_keys();
+}
+
+static void duplicate_tests(void)
+{
+ union tcp_addr network_dup;
+ struct tcp_ao_add ao, ao2;
+ int sk;
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: full copy");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ ao2 = ao;
+ memcpy(&ao2.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ ao2.prefix = 0;
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao2, sizeof(ao)))
+ test_error("setsockopt()");
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: any addr key on the socket");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ memcpy(&ao.addr, &SOCKADDR_ANY, sizeof(SOCKADDR_ANY));
+ ao.prefix = 0;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: add any addr key");
+
+ if (inet_pton(TEST_FAMILY, TEST_NETWORK, &network_dup) != 1)
+ test_error("Can't convert ip address %s", TEST_NETWORK);
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ if (test_prepare_def_key(&ao, "password", 0, network_dup,
+ 16, 0, 100, 100))
+ test_error("prepare default tcp_ao_add");
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: add any addr for the same subnet");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: full copy of a key");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ ao.rcvid = 101;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: RecvID differs");
+
+ sk = prepare_defs(TCP_AO_ADD_KEY, &ao);
+ if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &ao, sizeof(ao)))
+ test_error("setsockopt()");
+ ao.sndid = 101;
+ setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: SendID differs");
+}
+
+static void *client_fn(void *arg)
+{
+ if (inet_pton(TEST_FAMILY, __TEST_CLIENT_IP(2), &tcp_md5_client) != 1)
+ test_error("Can't convert ip address");
+ extend_tests();
+ einval_tests();
+ duplicate_tests();
+ /*
+ * TODO: check getsockopt(TCP_AO_GET_KEYS) with different filters
+ * returning proper nr & keys;
+ */
+
+ return NULL;
+}
+
+int main(int argc, char *argv[])
+{
+ test_init(120, client_fn, NULL);
+ return 0;
+}

--
2.43.0