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test: split out {dump,verify}_ra_message()
Then, let's not modify the global object.
This commit is contained in:
Yu Watanabe
parent
36653443f7
commit
a860df82b4
@ -20,37 +20,6 @@ static struct ether_addr mac_addr = {
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.ether_addr_octet = { 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 }
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};
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static uint8_t advertisement[] = {
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/* ICMPv6 Router Advertisement, no checksum */
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0x86, 0x00, 0x00, 0x00, 0x40, 0xc0, 0x00, 0xb4,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Source Link Layer Address Option */
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0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
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/* Prefix Information Option */
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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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/* Prefix Information Option */
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0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x0e, 0x10,
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0x00, 0x00, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00,
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0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Prefix Information Option */
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0x03, 0x04, 0x30, 0xc0, 0x00, 0x00, 0x0e, 0x10,
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0x00, 0x00, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00,
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0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Recursive DNS Server Option */
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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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/* DNS Search List Option */
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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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};
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static bool test_stopped;
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static struct {
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struct in6_addr address;
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@ -271,49 +240,91 @@ TEST(radv) {
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assert_se(!ra);
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}
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static int radv_recv(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
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sd_radv *ra = userdata;
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unsigned char buf[168];
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size_t i;
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static void dump_message(const uint8_t *buf, size_t len) {
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assert(len >= sizeof(struct nd_router_advert));
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assert_se(read(test_fd[0], &buf, sizeof(buf)) == sizeof(buf));
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printf("Received Router Advertisement with lifetime %i sec\n",
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(buf[6] << 8) + buf[7]);
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/* router lifetime must be zero when test is stopped */
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if (test_stopped) {
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advertisement[6] = 0x00;
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advertisement[7] = 0x00;
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}
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printf ("Received Router Advertisement with lifetime %i\n",
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(advertisement[6] << 8) + advertisement[7]);
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/* test only up to buf size, rest is not yet implemented */
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for (i = 0; i < sizeof(buf); i++) {
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for (size_t i = 0; i < len; i++) {
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if (!(i % 8))
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printf("%3zu: ", i);
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printf("0x%02x", buf[i]);
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assert_se(buf[i] == advertisement[i]);
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if ((i + 1) % 8)
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printf(", ");
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else
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printf("\n");
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}
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}
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static void verify_message(const uint8_t *buf, size_t len) {
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static const uint8_t advertisement[] = {
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/* ICMPv6 Router Advertisement, no checksum */
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0x86, 0x00, 0x00, 0x00, 0x40, 0xc0, 0x00, 0xb4,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Source Link Layer Address Option */
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0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
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/* Prefix Information Option */
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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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/* Prefix Information Option */
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0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x0e, 0x10,
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0x00, 0x00, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00,
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0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Prefix Information Option */
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0x03, 0x04, 0x30, 0xc0, 0x00, 0x00, 0x0e, 0x10,
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0x00, 0x00, 0x07, 0x08, 0x00, 0x00, 0x00, 0x00,
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0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* Recursive DNS Server Option */
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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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/* DNS Search List Option */
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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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};
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/* verify only up to known options, rest is not yet implemented */
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for (size_t i = 0, m = MIN(len, sizeof(advertisement)); i < m; i++) {
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if (test_stopped)
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switch (i) {
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case 6 ... 7: /* router lifetime must be zero on stop. */
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assert_se(buf[i] == 0);
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continue;
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}
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assert_se(buf[i] == advertisement[i]);
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}
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}
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static int radv_recv(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
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sd_radv *ra = ASSERT_PTR(userdata);
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_cleanup_free_ uint8_t *buf = NULL;
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ssize_t buflen;
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buflen = next_datagram_size_fd(fd);
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assert_se(buflen >= 0);
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assert_se(buf = new0(uint8_t, buflen));
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assert_se(read(fd, buf, buflen) == buflen);
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dump_message(buf, buflen);
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verify_message(buf, buflen);
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if (test_stopped) {
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sd_event *e;
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e = sd_radv_get_event(ra);
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sd_event_exit(e, 0);
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assert_se(sd_event_exit(sd_radv_get_event(ra), 0) >= 0);
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return 0;
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}
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assert_se(sd_radv_stop(ra) >= 0);
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test_stopped = true;
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return 0;
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}
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