summaryrefslogtreecommitdiff
path: root/src/libsystemd-network/test-ndisc-rs.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libsystemd-network/test-ndisc-rs.c')
-rw-r--r--src/libsystemd-network/test-ndisc-rs.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-ndisc-rs.c b/src/libsystemd-network/test-ndisc-rs.c
new file mode 100644
index 0000000000..765198e46c
--- /dev/null
+++ b/src/libsystemd-network/test-ndisc-rs.c
@@ -0,0 +1,171 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2014 Intel Corporation. All rights reserved.
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <netinet/icmp6.h>
+
+#include "socket-util.h"
+
+#include "icmp6-util.h"
+#include "sd-ndisc.h"
+
+static struct ether_addr mac_addr = {
+ .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
+};
+
+static bool verbose = false;
+static sd_event_source *test_hangcheck;
+static int test_fd[2];
+
+typedef int (*send_ra_t)(uint8_t flags);
+static send_ra_t send_ra_function;
+
+static int test_rs_hangcheck(sd_event_source *s, uint64_t usec,
+ void *userdata) {
+ assert_se(false);
+
+ return 0;
+}
+
+int icmp6_bind_router_solicitation(int index) {
+ assert_se(index == 42);
+
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, test_fd) < 0)
+ return -errno;
+
+ return test_fd[0];
+}
+
+static int send_ra(uint8_t flags) {
+ uint8_t advertisement[] = {
+ 0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4,
+ 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00,
+ 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
+ 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
+ 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74,
+ 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
+ };
+
+ advertisement[5] = flags;
+
+ assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) ==
+ sizeof(advertisement));
+
+ if (verbose)
+ printf(" sent RA with flag 0x%02x\n", flags);
+
+ return 0;
+}
+
+int icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) {
+ return send_ra_function(0);
+}
+
+static void test_rs_done(sd_ndisc *nd, int event, void *userdata) {
+ sd_event *e = userdata;
+ static int idx = 0;
+ struct {
+ uint8_t flag;
+ int event;
+ } flag_event[] = {
+ { 0, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_NONE },
+ { ND_RA_FLAG_OTHER, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_OTHER },
+ { ND_RA_FLAG_MANAGED, SD_NDISC_EVENT_ROUTER_ADVERTISMENT_MANAGED }
+ };
+ uint32_t mtu;
+
+ assert_se(nd);
+
+ assert_se(event == flag_event[idx].event);
+ idx++;
+
+ if (verbose)
+ printf(" got event %d\n", event);
+
+ if (idx < 3) {
+ send_ra(flag_event[idx].flag);
+ return;
+ }
+
+ assert_se(sd_ndisc_get_mtu(nd, &mtu) == -ENOMSG);
+
+ sd_event_exit(e, 0);
+}
+
+static void test_rs(void) {
+ sd_event *e;
+ sd_ndisc *nd;
+ usec_t time_now = now(clock_boottime_or_monotonic());
+
+ if (verbose)
+ printf("* %s\n", __FUNCTION__);
+
+ send_ra_function = send_ra;
+
+ assert_se(sd_event_new(&e) >= 0);
+
+ assert_se(sd_ndisc_new(&nd) >= 0);
+ assert_se(nd);
+
+ assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
+
+ assert_se(sd_ndisc_set_index(nd, 42) >= 0);
+ assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
+ assert_se(sd_ndisc_set_callback(nd, test_rs_done, e) >= 0);
+
+ assert_se(sd_event_add_time(e, &test_hangcheck, clock_boottime_or_monotonic(),
+ time_now + 2 *USEC_PER_SEC, 0,
+ test_rs_hangcheck, NULL) >= 0);
+
+ assert_se(sd_ndisc_stop(nd) >= 0);
+ assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
+ assert_se(sd_ndisc_stop(nd) >= 0);
+
+ assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
+
+ sd_event_loop(e);
+
+ test_hangcheck = sd_event_source_unref(test_hangcheck);
+
+ nd = sd_ndisc_unref(nd);
+ assert_se(!nd);
+
+ close(test_fd[1]);
+
+ sd_event_unref(e);
+}
+
+int main(int argc, char *argv[]) {
+
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
+ test_rs();
+
+ return 0;
+}