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sd-icmp6-nd: Add initial Router Advertisement test case
Feed a Router Advertisement to the code and expect proper events each time. The sending part is ignored, as all of it is static code in the real dhcp_network_icmp6_send_rs() function.
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14
Makefile.am
14
Makefile.am
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@ -2651,11 +2651,23 @@ test_ipv4ll_LDADD = \
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libsystemd-internal.la \
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libsystemd-shared.la
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test_icmp6_rs_SOURCES = \
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src/systemd/sd-dhcp6-client.h \
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src/libsystemd-network/sd-icmp6-nd.h \
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src/libsystemd-network/dhcp6-internal.h \
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src/libsystemd-network/test-icmp6-rs.c
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test_icmp6_rs_LDADD = \
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libsystemd-network.la \
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libsystemd-internal.la \
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libsystemd-shared.la
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tests += \
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test-dhcp-option \
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test-dhcp-client \
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test-dhcp-server \
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test-ipv4ll
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test-ipv4ll \
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test-icmp6-rs
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# ------------------------------------------------------------------------------
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if ENABLE_GTK_DOC
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155
src/libsystemd-network/test-icmp6-rs.c
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155
src/libsystemd-network/test-icmp6-rs.c
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@ -0,0 +1,155 @@
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright (C) 2014 Intel Corporation. All rights reserved.
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <netinet/icmp6.h>
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#include "socket-util.h"
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#include "dhcp6-internal.h"
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#include "sd-icmp6-nd.h"
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static struct ether_addr mac_addr = {
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.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
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};
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static bool verbose = false;
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static sd_event_source *test_hangcheck;
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static int test_fd[2];
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static int test_rs_hangcheck(sd_event_source *s, uint64_t usec,
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void *userdata) {
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assert(false);
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return 0;
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}
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int dhcp_network_icmp6_bind_router_solicitation(int index) {
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assert(index == 42);
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if (socketpair(AF_UNIX, SOCK_DGRAM, 0, test_fd) < 0)
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return -errno;
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return test_fd[0];
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}
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static int send_ra(uint8_t flags) {
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uint8_t advertisement[] = {
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0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4,
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0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00,
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0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
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0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
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0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74,
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0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
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};
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advertisement[5] = flags;
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assert(write(test_fd[1], advertisement, sizeof(advertisement)) ==
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sizeof(advertisement));
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if (verbose)
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printf(" sent RA with flag 0x%02x\n", flags);
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return 0;
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}
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int dhcp_network_icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) {
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return send_ra(0);
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}
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static void test_rs_done(sd_icmp6_nd *nd, int event, void *userdata) {
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sd_event *e = userdata;
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static int idx = 0;
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struct {
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uint8_t flag;
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int event;
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} flag_event[] = {
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{ 0, ICMP6_EVENT_ROUTER_ADVERTISMENT_NONE },
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{ ND_RA_FLAG_OTHER, ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER },
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{ ND_RA_FLAG_MANAGED, ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED }
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};
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assert(nd);
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assert(event == flag_event[idx].event);
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idx++;
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if (verbose)
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printf(" got event %d\n", event);
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if (idx < 3)
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send_ra(flag_event[idx].flag);
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else
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sd_event_exit(e, 0);
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}
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static void test_rs(sd_event *e) {
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usec_t time_now = now(CLOCK_MONOTONIC);
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sd_icmp6_nd *nd;
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if (verbose)
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printf("* %s\n", __FUNCTION__);
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assert(sd_icmp6_nd_new(&nd) >= 0);
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assert(nd);
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assert(sd_icmp6_nd_attach_event(nd, e, 0) >= 0);
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assert(sd_icmp6_nd_set_index(nd, 42) >= 0);
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assert(sd_icmp6_nd_set_mac(nd, &mac_addr) >= 0);
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assert(sd_icmp6_nd_set_callback(nd, test_rs_done, e) >= 0);
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assert(sd_event_add_time(e, &test_hangcheck, CLOCK_MONOTONIC,
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time_now + 2 *USEC_PER_SEC, 0,
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test_rs_hangcheck, NULL) >= 0);
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assert(sd_icmp6_router_solicitation_start(nd) >= 0);
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sd_event_loop(e);
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test_hangcheck = sd_event_source_unref(test_hangcheck);
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nd = sd_icmp6_nd_unref(nd);
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assert(!nd);
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close(test_fd[0]);
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close(test_fd[1]);
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}
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int main(int argc, char *argv[]) {
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sd_event *e;
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assert(sd_event_new(&e) >= 0);
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log_set_max_level(LOG_DEBUG);
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log_parse_environment();
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log_open();
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test_rs(e);
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return 0;
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}
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