mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
295 lines
8.7 KiB
C
295 lines
8.7 KiB
C
/*
|
|
* Copyright (C) 2015 Freie Universität Berlin
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup tests
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Tests extension header handling of gnrc stack.
|
|
*
|
|
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
|
|
* @author Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "embUnit.h"
|
|
#include "shell.h"
|
|
#include "net/ipv6/addr.h"
|
|
#include "net/ipv6/ext.h"
|
|
#include "net/ipv6/hdr.h"
|
|
#include "net/gnrc/pktbuf.h"
|
|
#include "net/gnrc/pktdump.h"
|
|
#include "net/gnrc/netreg.h"
|
|
#include "net/gnrc/rpl/srh.h"
|
|
#include "net/gnrc/ipv6/ext/rh.h"
|
|
|
|
#define IPV6_DST {{ 0x20, 0x01, 0xab, 0xcd, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x01 }}
|
|
#define IPV6_ADDR1 {{ 0x20, 0x01, 0xab, 0xcd, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x02 }}
|
|
#define IPV6_ADDR2 {{ 0x20, 0x01, 0xab, 0xcd, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x03 }}
|
|
#define IPV6_MCAST_ADDR {{ 0xff, 0x05, 0xab, 0xcd, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x00, \
|
|
0x00, 0x00, 0x00, 0x03 }}
|
|
|
|
#define IPV6_ADDR1_ELIDED { 0x00, 0x00, 0x02 }
|
|
#define IPV6_ADDR2_ELIDED { 0x00, 0x00, 0x03 }
|
|
#define IPV6_ELIDED_PREFIX (13)
|
|
|
|
#define SRH_SEG_LEFT (2)
|
|
#define MAX_BUF_SIZE ((sizeof(gnrc_rpl_srh_t) + 2) + sizeof(ipv6_addr_t))
|
|
|
|
static ipv6_hdr_t hdr;
|
|
static uint8_t buf[MAX_BUF_SIZE];
|
|
static char line_buf[SHELL_DEFAULT_BUFSIZE];
|
|
static gnrc_netreg_entry_t ip_entry = GNRC_NETREG_ENTRY_INIT_PID(
|
|
0, KERNEL_PID_UNDEF
|
|
);
|
|
|
|
static void set_up_tests(void)
|
|
{
|
|
memset(&hdr, 0, sizeof(hdr));
|
|
memset(buf, 0, sizeof(buf));
|
|
}
|
|
|
|
static inline void _init_hdrs(gnrc_rpl_srh_t **srh, uint8_t **vec,
|
|
const ipv6_addr_t *dst)
|
|
{
|
|
*srh = (gnrc_rpl_srh_t *)buf;
|
|
*vec = (uint8_t *)(*srh + 1);
|
|
memcpy(&hdr.dst, dst, sizeof(hdr.dst));
|
|
}
|
|
|
|
static void test_rpl_srh_dst_multicast(void)
|
|
{
|
|
static const ipv6_addr_t a1 = IPV6_ADDR1, a2 = IPV6_ADDR2;
|
|
static const ipv6_addr_t mcast = IPV6_MCAST_ADDR;
|
|
gnrc_rpl_srh_t *srh;
|
|
uint8_t *vec;
|
|
void *err_ptr = NULL;
|
|
int res;
|
|
|
|
_init_hdrs(&srh, &vec, &mcast);
|
|
srh->len = (2 * sizeof(ipv6_addr_t)) / 8;
|
|
srh->seg_left = SRH_SEG_LEFT;
|
|
memcpy(vec, &a1, sizeof(a1));
|
|
memcpy(vec + sizeof(a1), &a2, sizeof(a2));
|
|
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_ERROR);
|
|
TEST_ASSERT_NULL(err_ptr);
|
|
}
|
|
|
|
static void test_rpl_srh_route_multicast(void)
|
|
{
|
|
static const ipv6_addr_t a1 = IPV6_ADDR1;
|
|
static const ipv6_addr_t mcast = IPV6_MCAST_ADDR;
|
|
static const ipv6_addr_t dst = IPV6_DST;
|
|
gnrc_rpl_srh_t *srh;
|
|
uint8_t *vec;
|
|
void *err_ptr = NULL;
|
|
int res;
|
|
|
|
_init_hdrs(&srh, &vec, &dst);
|
|
srh->len = (2 * sizeof(ipv6_addr_t)) / 8;
|
|
srh->seg_left = SRH_SEG_LEFT;
|
|
memcpy(vec, &mcast, sizeof(mcast));
|
|
memcpy(vec + sizeof(mcast), &a1, sizeof(a1));
|
|
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_ERROR);
|
|
TEST_ASSERT_NULL(err_ptr);
|
|
}
|
|
|
|
static void test_rpl_srh_inconsistent_hdr(void)
|
|
{
|
|
static const ipv6_addr_t dst = IPV6_DST;
|
|
gnrc_rpl_srh_t srh;
|
|
void *err_ptr;
|
|
int res;
|
|
|
|
memset(&srh, 0, sizeof(srh));
|
|
memcpy(&hdr.dst, &dst, sizeof(hdr.dst));
|
|
srh.nh = 128U;
|
|
srh.len = 0U;
|
|
srh.type = 3U;
|
|
srh.seg_left = 220U;
|
|
srh.compr = 0xc0;
|
|
srh.pad_resv = 0xf0;
|
|
|
|
res = gnrc_rpl_srh_process(&hdr, &srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_ERROR);
|
|
TEST_ASSERT((&srh.len) == err_ptr);
|
|
}
|
|
|
|
static void test_rpl_srh_too_many_seg_left(void)
|
|
{
|
|
static const ipv6_addr_t a1 = IPV6_ADDR1;
|
|
static const ipv6_addr_t dst = IPV6_DST;
|
|
gnrc_rpl_srh_t *srh;
|
|
uint8_t *vec;
|
|
void *err_ptr;
|
|
int res;
|
|
|
|
_init_hdrs(&srh, &vec, &dst);
|
|
srh->len = sizeof(ipv6_addr_t) / 8;
|
|
srh->seg_left = SRH_SEG_LEFT;
|
|
memcpy(vec, &a1, sizeof(a1));
|
|
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_ERROR);
|
|
TEST_ASSERT((&srh->seg_left) == err_ptr);
|
|
}
|
|
|
|
static void test_rpl_srh_nexthop_no_prefix_elided(void)
|
|
{
|
|
static const ipv6_addr_t a1 = IPV6_ADDR1, a2 = IPV6_ADDR2, dst = IPV6_DST;
|
|
static const ipv6_addr_t expected1 = IPV6_ADDR1, expected2 = IPV6_ADDR2;
|
|
gnrc_rpl_srh_t *srh;
|
|
uint8_t *vec;
|
|
void *err_ptr;
|
|
int res;
|
|
|
|
_init_hdrs(&srh, &vec, &dst);
|
|
srh->len = (2 * sizeof(ipv6_addr_t)) / 8;
|
|
srh->seg_left = SRH_SEG_LEFT;
|
|
memcpy(vec, &a1, sizeof(a1));
|
|
memcpy(vec + sizeof(a1), &a2, sizeof(a2));
|
|
|
|
/* first hop */
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_FORWARDED);
|
|
TEST_ASSERT_EQUAL_INT(SRH_SEG_LEFT - 1, srh->seg_left);
|
|
TEST_ASSERT(ipv6_addr_equal(&hdr.dst, &expected1));
|
|
|
|
/* second hop */
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_FORWARDED);
|
|
TEST_ASSERT_EQUAL_INT(SRH_SEG_LEFT - 2, srh->seg_left);
|
|
TEST_ASSERT(ipv6_addr_equal(&hdr.dst, &expected2));
|
|
}
|
|
|
|
static void test_rpl_srh_nexthop_prefix_elided(void)
|
|
{
|
|
static const ipv6_addr_t dst = IPV6_DST;
|
|
static const ipv6_addr_t expected1 = IPV6_ADDR1, expected2 = IPV6_ADDR2;
|
|
gnrc_rpl_srh_t *srh;
|
|
uint8_t *vec;
|
|
void *err_ptr;
|
|
int res;
|
|
static const uint8_t a1[3] = IPV6_ADDR1_ELIDED;
|
|
static const uint8_t a2[3] = IPV6_ADDR2_ELIDED;
|
|
|
|
_init_hdrs(&srh, &vec, &dst);
|
|
srh->len = (sizeof(a1) + sizeof(a2) + 2) / 8;
|
|
srh->seg_left = SRH_SEG_LEFT;
|
|
srh->compr = (IPV6_ELIDED_PREFIX << 4) | IPV6_ELIDED_PREFIX;
|
|
srh->pad_resv = 2 << 4;
|
|
memcpy(vec, &a1, sizeof(a1));
|
|
memcpy(vec + sizeof(a1), &a2, sizeof(a2));
|
|
|
|
/* first hop */
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_FORWARDED);
|
|
TEST_ASSERT_EQUAL_INT(SRH_SEG_LEFT - 1, srh->seg_left);
|
|
TEST_ASSERT(ipv6_addr_equal(&hdr.dst, &expected1));
|
|
|
|
/* second hop */
|
|
res = gnrc_rpl_srh_process(&hdr, srh, &err_ptr);
|
|
TEST_ASSERT_EQUAL_INT(res, GNRC_IPV6_EXT_RH_FORWARDED);
|
|
TEST_ASSERT_EQUAL_INT(SRH_SEG_LEFT - 2, srh->seg_left);
|
|
TEST_ASSERT(ipv6_addr_equal(&hdr.dst, &expected2));
|
|
}
|
|
|
|
/* tools for external interaction */
|
|
static inline void _ipreg_usage(char *cmd)
|
|
{
|
|
printf("Usage: %s {reg|unreg}", cmd);
|
|
}
|
|
|
|
static int _ipreg(int argc, char **argv)
|
|
{
|
|
if (argc < 2) {
|
|
_ipreg_usage(argv[0]);
|
|
return 1;
|
|
}
|
|
else if (strcmp("reg", argv[1]) == 0) {
|
|
if (ip_entry.target.pid != KERNEL_PID_UNDEF) {
|
|
puts("Already registered to protocol number 59");
|
|
return 1;
|
|
}
|
|
gnrc_netreg_entry_init_pid(&ip_entry, PROTNUM_IPV6_NONXT,
|
|
gnrc_pktdump_pid);
|
|
gnrc_netreg_register(GNRC_NETTYPE_IPV6, &ip_entry);
|
|
puts("Registered to protocol number 59");
|
|
}
|
|
else if (strcmp("unreg", argv[1]) == 0) {
|
|
puts("Unregistered from protocol number 59");
|
|
gnrc_netreg_unregister(GNRC_NETTYPE_IPV6, &ip_entry);
|
|
gnrc_netreg_entry_init_pid(&ip_entry, 0, KERNEL_PID_UNDEF);
|
|
}
|
|
else {
|
|
_ipreg_usage(argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void run_unittests(void)
|
|
{
|
|
EMB_UNIT_TESTFIXTURES(fixtures) {
|
|
new_TestFixture(test_rpl_srh_dst_multicast),
|
|
new_TestFixture(test_rpl_srh_route_multicast),
|
|
new_TestFixture(test_rpl_srh_inconsistent_hdr),
|
|
new_TestFixture(test_rpl_srh_too_many_seg_left),
|
|
new_TestFixture(test_rpl_srh_nexthop_no_prefix_elided),
|
|
new_TestFixture(test_rpl_srh_nexthop_prefix_elided),
|
|
};
|
|
|
|
EMB_UNIT_TESTCALLER(rpl_srh_tests, set_up_tests, NULL, fixtures);
|
|
TESTS_START();
|
|
TESTS_RUN((Test *)&rpl_srh_tests);
|
|
TESTS_END();
|
|
}
|
|
|
|
static int _unittests(int argc, char** argv)
|
|
{
|
|
(void) argc;
|
|
(void) argv;
|
|
|
|
run_unittests();
|
|
return 0;
|
|
}
|
|
|
|
static const shell_command_t shell_commands[] = {
|
|
{ "ip", "Registers pktdump to protocol number 59 (no next header)", _ipreg },
|
|
{ "unittests", "Runs unitest", _unittests},
|
|
{ NULL, NULL, NULL }
|
|
};
|
|
|
|
int main(void)
|
|
{
|
|
shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
|
|
return 0;
|
|
}
|