/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "alloc-util.h" #include "missing_network.h" #include "tests.h" #include "socket-netlink.h" #include "string-util.h" static void test_socket_address_parse_one(const char *in, int ret, int family, const char *expected) { SocketAddress a; _cleanup_free_ char *out = NULL; int r; r = socket_address_parse(&a, in); if (r >= 0) { r = socket_address_print(&a, &out); if (r < 0) log_error_errno(r, "Printing failed for \"%s\": %m", in); assert(r >= 0); assert_se(a.type == 0); } log_info("\"%s\" → %s %d → \"%s\" (expect %d / \"%s\")", in, r >= 0 ? "✓" : "✗", r, empty_to_dash(out), ret, ret >= 0 ? expected ?: in : "-"); assert_se(r == ret); if (r >= 0) { assert_se(a.sockaddr.sa.sa_family == family); assert_se(streq(out, expected ?: in)); } } static void test_socket_address_parse(void) { log_info("/* %s */", __func__); test_socket_address_parse_one("junk", -EINVAL, 0, NULL); test_socket_address_parse_one("192.168.1.1", -EINVAL, 0, NULL); test_socket_address_parse_one(".168.1.1", -EINVAL, 0, NULL); test_socket_address_parse_one("989.168.1.1", -EINVAL, 0, NULL); test_socket_address_parse_one("192.168.1.1:65536", -ERANGE, 0, NULL); test_socket_address_parse_one("192.168.1.1:0", -EINVAL, 0, NULL); test_socket_address_parse_one("0", -EINVAL, 0, NULL); test_socket_address_parse_one("65536", -ERANGE, 0, NULL); const int default_family = socket_ipv6_is_supported() ? AF_INET6 : AF_INET; test_socket_address_parse_one("65535", 0, default_family, default_family == AF_INET6 ? "[::]:65535": "0.0.0.0:65535"); /* The checks below will pass even if ipv6 is disabled in * kernel. The underlying glibc's inet_pton() is just a string * parser and doesn't make any syscalls. */ test_socket_address_parse_one("[::1]", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]8888", -EINVAL, 0, NULL); test_socket_address_parse_one("::1", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]:0", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]:65536", -ERANGE, 0, NULL); test_socket_address_parse_one("[a:b:1]:8888", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]%lo:1234", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]%lo:0", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]%lo", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]%lo%lo:1234", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]% lo:1234", -EINVAL, 0, NULL); test_socket_address_parse_one("8888", 0, default_family, default_family == AF_INET6 ? "[::]:8888": "0.0.0.0:8888"); test_socket_address_parse_one("[2001:0db8:0000:85a3:0000:0000:ac1f:8001]:8888", 0, AF_INET6, "[2001:db8:0:85a3::ac1f:8001]:8888"); test_socket_address_parse_one("[::1]:8888", 0, AF_INET6, NULL); test_socket_address_parse_one("[::1]:1234%lo", 0, AF_INET6, NULL); test_socket_address_parse_one("[::1]:0%lo", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]%lo", -EINVAL, 0, NULL); test_socket_address_parse_one("[::1]:1234%lo%lo", -ENODEV, 0, NULL); test_socket_address_parse_one("[::1]:1234%xxxxasdf", -ENODEV, 0, NULL); test_socket_address_parse_one("192.168.1.254:8888", 0, AF_INET, NULL); test_socket_address_parse_one("/foo/bar", 0, AF_UNIX, NULL); test_socket_address_parse_one("/", -EINVAL, 0, NULL); test_socket_address_parse_one("@abstract", 0, AF_UNIX, NULL); { char aaa[SUN_PATH_LEN + 1] = "@"; memset(aaa + 1, 'a', SUN_PATH_LEN - 1); char_array_0(aaa); test_socket_address_parse_one(aaa, -EINVAL, 0, NULL); aaa[SUN_PATH_LEN - 1] = '\0'; test_socket_address_parse_one(aaa, 0, AF_UNIX, NULL); } test_socket_address_parse_one("vsock:2:1234", 0, AF_VSOCK, NULL); test_socket_address_parse_one("vsock::1234", 0, AF_VSOCK, NULL); test_socket_address_parse_one("vsock:2:1234x", -EINVAL, 0, NULL); test_socket_address_parse_one("vsock:2x:1234", -EINVAL, 0, NULL); test_socket_address_parse_one("vsock:2", -EINVAL, 0, NULL); } static void test_socket_address_parse_netlink(void) { SocketAddress a; log_info("/* %s */", __func__); assert_se(socket_address_parse_netlink(&a, "junk") < 0); assert_se(socket_address_parse_netlink(&a, "") < 0); assert_se(socket_address_parse_netlink(&a, "route") >= 0); assert_se(a.sockaddr.nl.nl_family == AF_NETLINK); assert_se(a.sockaddr.nl.nl_groups == 0); assert_se(a.protocol == NETLINK_ROUTE); assert_se(socket_address_parse_netlink(&a, "route") >= 0); assert_se(socket_address_parse_netlink(&a, "route 10") >= 0); assert_se(a.sockaddr.nl.nl_family == AF_NETLINK); assert_se(a.sockaddr.nl.nl_groups == 10); assert_se(a.protocol == NETLINK_ROUTE); /* With spaces and tabs */ assert_se(socket_address_parse_netlink(&a, " kobject-uevent ") >= 0); assert_se(a.sockaddr.nl.nl_family == AF_NETLINK); assert_se(a.sockaddr.nl.nl_groups == 0); assert_se(a.protocol == NETLINK_KOBJECT_UEVENT); assert_se(socket_address_parse_netlink(&a, " \t kobject-uevent \t 10") >= 0); assert_se(a.sockaddr.nl.nl_family == AF_NETLINK); assert_se(a.sockaddr.nl.nl_groups == 10); assert_se(a.protocol == NETLINK_KOBJECT_UEVENT); assert_se(socket_address_parse_netlink(&a, "kobject-uevent\t10") >= 0); assert_se(a.sockaddr.nl.nl_family == AF_NETLINK); assert_se(a.sockaddr.nl.nl_groups == 10); assert_se(a.protocol == NETLINK_KOBJECT_UEVENT); /* trailing space is not supported */ assert_se(socket_address_parse_netlink(&a, "kobject-uevent\t10 ") < 0); /* Group must be unsigned */ assert_se(socket_address_parse_netlink(&a, "kobject-uevent -1") < 0); /* oss-fuzz #6884 */ assert_se(socket_address_parse_netlink(&a, "\xff") < 0); } static void test_socket_address_equal(void) { SocketAddress a, b; log_info("/* %s */", __func__); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(socket_address_parse(&b, "192.168.1.1:888") >= 0); assert_se(!socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(socket_address_parse(&b, "192.16.1.1:8888") >= 0); assert_se(!socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(socket_address_parse(&b, "8888") >= 0); assert_se(!socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(socket_address_parse(&b, "/foo/bar/") >= 0); assert_se(!socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(socket_address_parse(&b, "192.168.1.1:8888") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "/foo/bar") >= 0); assert_se(socket_address_parse(&b, "/foo/bar") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); assert_se(socket_address_parse(&b, "[::1]:8888") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "@abstract") >= 0); assert_se(socket_address_parse(&b, "@abstract") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse_netlink(&a, "firewall") >= 0); assert_se(socket_address_parse_netlink(&b, "firewall") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse(&a, "vsock:2:1234") >= 0); assert_se(socket_address_parse(&b, "vsock:2:1234") >= 0); assert_se(socket_address_equal(&a, &b)); assert_se(socket_address_parse(&b, "vsock:2:1235") >= 0); assert_se(!socket_address_equal(&a, &b)); assert_se(socket_address_parse(&b, "vsock:3:1234") >= 0); assert_se(!socket_address_equal(&a, &b)); } static void test_socket_address_get_path(void) { SocketAddress a; log_info("/* %s */", __func__); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se(!socket_address_get_path(&a)); assert_se(socket_address_parse(&a, "@abstract") >= 0); assert_se(!socket_address_get_path(&a)); assert_se(socket_address_parse(&a, "[::1]:8888") >= 0); assert_se(!socket_address_get_path(&a)); assert_se(socket_address_parse(&a, "/foo/bar") >= 0); assert_se(streq(socket_address_get_path(&a), "/foo/bar")); assert_se(socket_address_parse(&a, "vsock:2:1234") >= 0); assert_se(!socket_address_get_path(&a)); } static void test_socket_address_is(void) { SocketAddress a; log_info("/* %s */", __func__); assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0); assert_se( socket_address_is(&a, "192.168.1.1:8888", 0 /* unspecified yet */)); assert_se(!socket_address_is(&a, "route", 0)); assert_se(!socket_address_is(&a, "route", SOCK_STREAM)); assert_se(!socket_address_is(&a, "192.168.1.1:8888", SOCK_RAW)); assert_se(!socket_address_is(&a, "192.168.1.1:8888", SOCK_STREAM)); a.type = SOCK_STREAM; assert_se( socket_address_is(&a, "192.168.1.1:8888", SOCK_STREAM)); } static void test_socket_address_is_netlink(void) { SocketAddress a; log_info("/* %s */", __func__); assert_se(socket_address_parse_netlink(&a, "route 10") >= 0); assert_se( socket_address_is_netlink(&a, "route 10")); assert_se(!socket_address_is_netlink(&a, "192.168.1.1:8888")); assert_se(!socket_address_is_netlink(&a, "route 1")); } static void test_in_addr_ifindex_to_string_one(int f, const char *a, int ifindex, const char *b) { _cleanup_free_ char *r = NULL; union in_addr_union ua, uuaa; int ff, ifindex2; assert_se(in_addr_from_string(f, a, &ua) >= 0); assert_se(in_addr_ifindex_to_string(f, &ua, ifindex, &r) >= 0); printf("test_in_addr_ifindex_to_string_one: %s == %s\n", b, r); assert_se(streq(b, r)); assert_se(in_addr_ifindex_from_string_auto(b, &ff, &uuaa, &ifindex2) >= 0); assert_se(ff == f); assert_se(in_addr_equal(f, &ua, &uuaa)); assert_se(ifindex2 == ifindex || ifindex2 == 0); } static void test_in_addr_ifindex_to_string(void) { log_info("/* %s */", __func__); test_in_addr_ifindex_to_string_one(AF_INET, "192.168.0.1", 7, "192.168.0.1"); test_in_addr_ifindex_to_string_one(AF_INET, "10.11.12.13", 9, "10.11.12.13"); test_in_addr_ifindex_to_string_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 10, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); test_in_addr_ifindex_to_string_one(AF_INET6, "::1", 11, "::1"); test_in_addr_ifindex_to_string_one(AF_INET6, "fe80::", 12, "fe80::%12"); test_in_addr_ifindex_to_string_one(AF_INET6, "fe80::", 0, "fe80::"); test_in_addr_ifindex_to_string_one(AF_INET6, "fe80::14", 12, "fe80::14%12"); test_in_addr_ifindex_to_string_one(AF_INET6, "fe80::15", -7, "fe80::15"); test_in_addr_ifindex_to_string_one(AF_INET6, "fe80::16", LOOPBACK_IFINDEX, "fe80::16%1"); } static void test_in_addr_ifindex_from_string_auto(void) { int family, ifindex; union in_addr_union ua; log_info("/* %s */", __func__); /* Most in_addr_ifindex_from_string_auto() invocations have already been tested above, but let's test some more */ assert_se(in_addr_ifindex_from_string_auto("fe80::17", &family, &ua, &ifindex) >= 0); assert_se(family == AF_INET6); assert_se(ifindex == 0); assert_se(in_addr_ifindex_from_string_auto("fe80::18%19", &family, &ua, &ifindex) >= 0); assert_se(family == AF_INET6); assert_se(ifindex == 19); assert_se(in_addr_ifindex_from_string_auto("fe80::18%lo", &family, &ua, &ifindex) >= 0); assert_se(family == AF_INET6); assert_se(ifindex == LOOPBACK_IFINDEX); assert_se(in_addr_ifindex_from_string_auto("fe80::19%thisinterfacecantexist", &family, &ua, &ifindex) == -ENODEV); } static void test_in_addr_ifindex_name_from_string_auto_one(const char *a, const char *expected) { int family, ifindex; union in_addr_union ua; _cleanup_free_ char *server_name = NULL; assert_se(in_addr_ifindex_name_from_string_auto(a, &family, &ua, &ifindex, &server_name) >= 0); assert_se(streq_ptr(server_name, expected)); } static void test_in_addr_ifindex_name_from_string_auto(void) { log_info("/* %s */", __func__); test_in_addr_ifindex_name_from_string_auto_one("192.168.0.1", NULL); test_in_addr_ifindex_name_from_string_auto_one("192.168.0.1#test.com", "test.com"); test_in_addr_ifindex_name_from_string_auto_one("fe80::18%19", NULL); test_in_addr_ifindex_name_from_string_auto_one("fe80::18%19#another.test.com", "another.test.com"); } static void test_in_addr_port_ifindex_name_from_string_auto_one(const char *str, int family, uint16_t port, int ifindex, const char *server_name, const char *str_repr) { union in_addr_union a; uint16_t p; int f, i; char *fake; log_info("%s: %s", __func__, str); { _cleanup_free_ char *name = NULL, *x = NULL; assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, &p, &i, &name) == 0); assert_se(family == f); assert_se(port == p); assert_se(ifindex == i); assert_se(streq_ptr(server_name, name)); assert_se(in_addr_port_ifindex_name_to_string(f, &a, p, i, name, &x) >= 0); assert_se(streq(str_repr ?: str, x)); } if (port > 0) assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, NULL, &i, &fake) == -EINVAL); else { _cleanup_free_ char *name = NULL, *x = NULL; assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, NULL, &i, &name) == 0); assert_se(family == f); assert_se(ifindex == i); assert_se(streq_ptr(server_name, name)); assert_se(in_addr_port_ifindex_name_to_string(f, &a, 0, i, name, &x) >= 0); assert_se(streq(str_repr ?: str, x)); } if (ifindex > 0) assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, &p, NULL, &fake) == -EINVAL); else { _cleanup_free_ char *name = NULL, *x = NULL; assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, &p, NULL, &name) == 0); assert_se(family == f); assert_se(port == p); assert_se(streq_ptr(server_name, name)); assert_se(in_addr_port_ifindex_name_to_string(f, &a, p, 0, name, &x) >= 0); assert_se(streq(str_repr ?: str, x)); } if (server_name) assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, &p, &i, NULL) == -EINVAL); else { _cleanup_free_ char *x = NULL; assert_se(in_addr_port_ifindex_name_from_string_auto(str, &f, &a, &p, &i, NULL) == 0); assert_se(family == f); assert_se(port == p); assert_se(ifindex == i); assert_se(in_addr_port_ifindex_name_to_string(f, &a, p, i, NULL, &x) >= 0); assert_se(streq(str_repr ?: str, x)); } } static void test_in_addr_port_ifindex_name_from_string_auto(void) { log_info("/* %s */", __func__); test_in_addr_port_ifindex_name_from_string_auto_one("192.168.0.1", AF_INET, 0, 0, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("192.168.0.1#test.com", AF_INET, 0, 0, "test.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("192.168.0.1:53", AF_INET, 53, 0, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("192.168.0.1:53#example.com", AF_INET, 53, 0, "example.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("fe80::18", AF_INET6, 0, 0, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("fe80::18#hoge.com", AF_INET6, 0, 0, "hoge.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("fe80::18%19", AF_INET6, 0, 19, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("fe80::18%lo", AF_INET6, 0, 1, NULL, "fe80::18%1"); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53", AF_INET6, 53, 0, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%19", AF_INET6, 53, 19, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%lo", AF_INET6, 53, 1, NULL, "[fe80::18]:53%1"); test_in_addr_port_ifindex_name_from_string_auto_one("fe80::18%19#hoge.com", AF_INET6, 0, 19, "hoge.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53#hoge.com", AF_INET6, 53, 0, "hoge.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%19", AF_INET6, 53, 19, NULL, NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%19#hoge.com", AF_INET6, 53, 19, "hoge.com", NULL); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%lo", AF_INET6, 53, 1, NULL, "[fe80::18]:53%1"); test_in_addr_port_ifindex_name_from_string_auto_one("[fe80::18]:53%lo#hoge.com", AF_INET6, 53, 1, "hoge.com", "[fe80::18]:53%1#hoge.com"); } int main(int argc, char *argv[]) { test_setup_logging(LOG_DEBUG); test_socket_address_parse(); test_socket_address_parse_netlink(); test_socket_address_equal(); test_socket_address_get_path(); test_socket_address_is(); test_socket_address_is_netlink(); test_in_addr_ifindex_to_string(); test_in_addr_ifindex_from_string_auto(); test_in_addr_ifindex_name_from_string_auto(); test_in_addr_port_ifindex_name_from_string_auto(); return 0; }