diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libsystemd-network/test-icmp6-rs.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-icmp6-rs.c b/src/libsystemd-network/test-icmp6-rs.c new file mode 100644 index 0000000000..86e02cccbe --- /dev/null +++ b/src/libsystemd-network/test-icmp6-rs.c @@ -0,0 +1,155 @@ +/*-*- 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 "dhcp6-internal.h" +#include "sd-icmp6-nd.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]; + +static int test_rs_hangcheck(sd_event_source *s, uint64_t usec, + void *userdata) { + assert(false); + + return 0; +} + +int dhcp_network_icmp6_bind_router_solicitation(int index) { + assert(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(write(test_fd[1], advertisement, sizeof(advertisement)) == + sizeof(advertisement)); + + if (verbose) + printf(" sent RA with flag 0x%02x\n", flags); + + return 0; +} + +int dhcp_network_icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { + return send_ra(0); +} + +static void test_rs_done(sd_icmp6_nd *nd, int event, void *userdata) { + sd_event *e = userdata; + static int idx = 0; + struct { + uint8_t flag; + int event; + } flag_event[] = { + { 0, ICMP6_EVENT_ROUTER_ADVERTISMENT_NONE }, + { ND_RA_FLAG_OTHER, ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER }, + { ND_RA_FLAG_MANAGED, ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED } + }; + assert(nd); + + assert(event == flag_event[idx].event); + idx++; + + if (verbose) + printf(" got event %d\n", event); + + if (idx < 3) + send_ra(flag_event[idx].flag); + else + sd_event_exit(e, 0); +} + +static void test_rs(sd_event *e) { + usec_t time_now = now(CLOCK_MONOTONIC); + sd_icmp6_nd *nd; + + if (verbose) + printf("* %s\n", __FUNCTION__); + + assert(sd_icmp6_nd_new(&nd) >= 0); + assert(nd); + + assert(sd_icmp6_nd_attach_event(nd, e, 0) >= 0); + + assert(sd_icmp6_nd_set_index(nd, 42) >= 0); + assert(sd_icmp6_nd_set_mac(nd, &mac_addr) >= 0); + assert(sd_icmp6_nd_set_callback(nd, test_rs_done, e) >= 0); + + assert(sd_event_add_time(e, &test_hangcheck, CLOCK_MONOTONIC, + time_now + 2 *USEC_PER_SEC, 0, + test_rs_hangcheck, NULL) >= 0); + + assert(sd_icmp6_router_solicitation_start(nd) >= 0); + + sd_event_loop(e); + + test_hangcheck = sd_event_source_unref(test_hangcheck); + + nd = sd_icmp6_nd_unref(nd); + assert(!nd); + + close(test_fd[0]); + close(test_fd[1]); +} + +int main(int argc, char *argv[]) { + sd_event *e; + + assert(sd_event_new(&e) >= 0); + + log_set_max_level(LOG_DEBUG); + log_parse_environment(); + log_open(); + + test_rs(e); + + return 0; +} |