END_TEST
START_TEST(tc_pico_arp_queue)
{
struct pico_ip4 addr = {
.addr = 0xaabbccdd
};
int i;
struct pico_frame *f = pico_frame_alloc(sizeof(struct pico_ipv4_hdr));
struct pico_ipv4_hdr *h = (struct pico_ipv4_hdr *) f->buffer;
fail_if(!f);
f->net_hdr = h;
h->dst.addr = addr.addr;
for (i = 0; i < PICO_ND_MAX_FRAMES_QUEUED; i++) {
fail_if(frames_queued[i] != NULL);
}
pico_arp_unreachable(&addr);
for (i = 0; i < PICO_ND_MAX_FRAMES_QUEUED; i++) {
fail_if(frames_queued[i] != NULL);
}
pico_arp_postpone(f);
fail_if(frames_queued[0]->buffer != f->buffer);
pico_arp_unreachable(&addr);
for (i = 0; i < PICO_ND_MAX_FRAMES_QUEUED; i++) {
fail_if(frames_queued[i] != NULL);
}
PICO_FREE(f);
}
END_TEST
START_TEST (arp_receive_test)
{
struct mock_device *mock;
struct pico_frame *f = NULL;
struct pico_arp_hdr *ah = NULL;
struct pico_eth_hdr *eh = NULL;
uint8_t macaddr1[6] = {
0, 0, 0, 0xa, 0xb, 0xf
};
uint8_t macaddr2[6] = {
0, 0, 0, 0xc, 0xd, 0xf
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
struct pico_ip4 ip1 = {
.addr = long_be(0x0A28000A)
};
struct pico_ip4 ip2 = {
.addr = long_be(0x0A28000B)
};
pico_stack_init();
/* Create mock device */
mock = pico_mock_create(macaddr1);
fail_if(!mock, "MOCK DEVICE creation failed");
fail_if(pico_ipv4_link_add(mock->dev, ip1, netmask), "add link to mock device failed");
/* Normal ARP request */
f = init_frame(mock->dev);
fail_if(!f, "FRAME INIT failed");
eh = (struct pico_eth_hdr *) f->datalink_hdr;
ah = (struct pico_arp_hdr *) f->net_hdr;
memcpy(eh->saddr, macaddr2, PICO_SIZE_ETH);
memcpy(eh->daddr, PICO_ETHADDR_ALL, PICO_SIZE_ETH);
eh->proto = PICO_IDETH_ARP;
ah->htype = PICO_ARP_HTYPE_ETH;
ah->ptype = PICO_IDETH_IPV4;
ah->hsize = PICO_SIZE_ETH;
ah->psize = PICO_SIZE_IP4;
ah->opcode = PICO_ARP_REQUEST;
memcpy(ah->s_mac, macaddr2, PICO_SIZE_ETH);
ah->src.addr = ip2.addr;
ah->dst.addr = ip1.addr;
fail_unless(pico_arp_receive(f) == 0);
/* net_hdr is a nullpointer */
f = init_frame(mock->dev);
fail_if(!f, "FRAME INIT failed");
f->net_hdr = NULL;
fail_unless(pico_arp_receive(f) == -1);
/* wrong hardware type */
f = init_frame(mock->dev);
fail_if(!f, "FRAME INIT failed");
ah = (struct pico_arp_hdr *) f->net_hdr;
ah->htype = 0;
fail_unless(pico_arp_receive(f) == -1);
/* wrong protocol type */
f = init_frame(mock->dev);
fail_if(!f, "FRAME INIT failed");
ah = (struct pico_arp_hdr *) f->net_hdr;
ah->ptype = 0;
fail_unless(pico_arp_receive(f) == -1);
/* source mac address is multicast */
f = init_frame(mock->dev);
fail_if(!f, "FRAME INIT failed");
ah = (struct pico_arp_hdr *) f->net_hdr;
ah->s_mac[0] = 0x01;
fail_unless(pico_arp_receive(f) == -1);
}
END_TEST
START_TEST (arp_get_test)
{
struct pico_frame *f = NULL;
struct mock_device *mock;
struct pico_ipv4_hdr *hdr = NULL;
struct pico_eth *eth = NULL;
uint8_t macaddr[6] = {
0, 0, 0, 0xa, 0xb, 0xf
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
struct pico_ip4 ip = {
.addr = long_be(0x0A28000A)
};
mock = pico_mock_create(macaddr);
fail_if(!mock, "MOCK DEVICE creation failed");
fail_if(pico_ipv4_link_add(mock->dev, ip, netmask), "add link to mock device failed");
f = pico_frame_alloc(PICO_SIZE_ETHHDR + sizeof(struct pico_ipv4_hdr));
f->net_hdr = f->start + PICO_SIZE_ETHHDR;
f->datalink_hdr = f->start;
f->dev = mock->dev;
hdr = (struct pico_ipv4_hdr *) f->net_hdr;
hdr->dst.addr = ip.addr;
eth = pico_arp_get(f);
fail_unless(eth == &mock->dev->eth->mac);
}
END_TEST
int dns_sd_init()
{
struct mock_device *mock = NULL;
struct pico_ip4 local = {
.addr = long_be(0x0a280064)
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
mock = pico_mock_create(NULL);
if (!mock)
return -1;
pico_ipv4_link_add(mock->dev, local, netmask);
/* Try to initialise the mDNS module right */
return pico_dns_sd_init("host.local", local, callback, NULL);
}
START_TEST(tc_dns_sd_kv_vector_strlen)
{
kv_vector pairs = {
0
};
pico_dns_sd_kv_vector_add(&pairs, text, value);
pico_dns_sd_kv_vector_add(&pairs, text2, NULL);
pico_dns_sd_kv_vector_add(&pairs, text3, value3);
fail_unless(pico_dns_sd_kv_vector_strlen(&pairs) == 23,
"dns_sd_kv_vector_strlen returned wrong length!\n");
pico_dns_sd_kv_vector_erase(&pairs);
}
END_TEST
START_TEST(tc_dns_sd_srv_record_create)
{
struct pico_mdns_record *record = NULL;
uint8_t buf[19] = {
0, 0, 0, 0, 0, 80,
5, 'h', 'i', 't', 'e', 'x',
5, 'l', 'o', 'c', 'a', 'l',
0
};
record = pico_dns_sd_srv_record_create("test.local", 0, 0, 80,
"hitex.local", 10,
PICO_MDNS_RECORD_UNIQUE);
fail_unless(strcmp(record->record->rname, "\4test\5local") == 0,
"Name of SRV record not correct!\n");
fail_unless(short_be(record->record->rsuffix->rtype) == 33,
"Type of SRV record not correctly set!\n");
fail_unless(short_be(record->record->rsuffix->rclass) == 0x8001,
"Class of SRV record not correctly set!\n");
fail_unless(short_be(record->record->rsuffix->rdlength) == 19,
"rdlength of SRV record not correctly set!\n");
fail_unless(long_be(record->record->rsuffix->rttl) == 10,
"TTL of SRV record not correctly set!\n");
fail_unless(memcmp(record->record->rdata, buf, 19) == 0,
"Rdata of TXT record not correctly set!\n");
pico_mdns_record_delete((void **)&record);
}
END_TEST
START_TEST(tc_dns_sd_txt_record_create)
{
struct pico_mdns_record *record = NULL;
kv_vector pairs = {
0
};
uint8_t buf[23] = {
10, 't', 'e', 'x', 't', 'v', 'e', 'r', 's', '=', '1',
4, 'p', 'a', 's', 's',
6, 'c', 'o', 'l', 'o', 'r', '='
};
pico_dns_sd_kv_vector_add(&pairs, text, value);
pico_dns_sd_kv_vector_add(&pairs, text2, NULL);
pico_dns_sd_kv_vector_add(&pairs, text3, value3);
record = pico_dns_sd_txt_record_create("test.local", pairs, 10,
PICO_MDNS_RECORD_UNIQUE);
fail_unless(strcmp(record->record->rname, "\4test\5local") == 0,
"Name of TXT record not correct!\n");
fail_unless(short_be(record->record->rsuffix->rtype) == 16,
"Type of TXT record not correctly set!\n");
fail_unless(short_be(record->record->rsuffix->rclass) == 0x8001,
"Class of TXT record not correctly set!\n");
fail_unless(short_be(record->record->rsuffix->rdlength) == 23,
"rdlength of TXT record not correctly set!\n");
fail_unless(long_be(record->record->rsuffix->rttl) == 10,
"TTL of TXT record not correctly set!\n");
fail_unless(memcmp(record->record->rdata, buf, 23) == 0,
"Rdata of TXT record not correctly set!\n");
pico_mdns_record_delete((void **)&record);
}
END_TEST
START_TEST(tc_dns_sd_kv_create)
{
key_value_pair_t *pair = NULL;
pair = pico_dns_sd_kv_create("textvers", "1");
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(strcmp(pair->value, "1") == 0,
"dns_sd_kv_create failed!\n");
PICO_FREE(pair->key);
PICO_FREE(pair->value);
PICO_FREE(pair);
pair = pico_dns_sd_kv_create("textvers", NULL);
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(pair->value == NULL,
"dns_sd_kv_create failed!\n");
PICO_FREE(pair->key);
PICO_FREE(pair);
pair = pico_dns_sd_kv_create("textvers", "");
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(strcmp(pair->value, "") == 0,
"dns_sd_kv_create failed!\n");
PICO_FREE(pair->key);
PICO_FREE(pair->value);
PICO_FREE(pair);
}
END_TEST
START_TEST(tc_dns_sd_kv_delete)
{
key_value_pair_t *pair = NULL;
pair = pico_dns_sd_kv_create("textvers", "1");
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(strcmp(pair->value, "1") == 0,
"dns_sd_kv_create failed!\n");
pico_dns_sd_kv_delete(&pair);
fail_unless(pair == NULL,
"dns_sd_kv_delete failed!\n");
pair = pico_dns_sd_kv_create("textvers", NULL);
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(pair->value == NULL,
"dns_sd_kv_create failed!\n");
pico_dns_sd_kv_delete(&pair);
fail_unless(pair == NULL,
"dns_sd_kv_delete failed!\n");
pair = pico_dns_sd_kv_create("textvers", "");
fail_unless(strcmp(pair->key, "textvers") == 0,
"dns_sd_kv_create failed!\n");
fail_unless(strcmp(pair->value, "") == 0,
"dns_sd_kv_create failed!\n");
pico_dns_sd_kv_delete(&pair);
fail_unless(pair == NULL,
"dns_sd_kv_delete failed!\n");
}
END_TEST
START_TEST(tc_dns_sd_check_type_format)
{
fail_unless(pico_dns_sd_check_type_format("_http._tcp") == 0,
"dns_sd_check_type_format failed with correct format!\n");
fail_unless(pico_dns_sd_check_type_format("_printer._sub._http._tcp")
== 0,
"dns_sd_check_type_format failed with subtype!\n");
/* Test too long subtype */
fail_unless(pico_dns_sd_check_type_format(
"1234567891123456789212345678931234567894123456789512345678961234._sub._http._tcp"), "dns_sd_check_type_format failed with too big subtype!\n");
/* Test too long service type with subtype */
fail_unless(pico_dns_sd_check_type_format(
"printer._sub.0123456789112345678._tcp"),
"dns_sd_check_type_format failed with too big sn w/ sub!\n");
/* Test too long service type with subtype */
fail_unless(pico_dns_sd_check_type_format("0123456789112345678._tcp"),
"dns_sd_check_type_format failed with too big sn!\n");
}
END_TEST
START_TEST(tc_dns_sd_check_instance_name_format)
{
/* Test too long name */
fail_unless(pico_dns_sd_check_instance_name_format(
"1234567891123456789212345678931234567894123456789512345678961234"),
"dns_sd_check_instance_name_format failed with too big name!\n");
fail_unless(pico_dns_sd_check_instance_name_format("Hello World!") == 0,
"dns_sd_check_instance_name_format failed!\n");
}
END_TEST
START_TEST(tc_dns_sd_create_service_url)
{
char *service_url = NULL;
service_url = pico_dns_sd_create_service_url("Hello World!", "_http._tcp");
fail_unless(strcmp(service_url, "Hello World!._http._tcp.local") == 0,
"dns_sd_create_service_url failed!\n");
}
END_TEST
START_TEST(tc_dns_sd_init)
{
pico_stack_init();
fail_unless(dns_sd_init() == 0,
"dns_sd_init failed!\n");
}
END_TEST
START_TEST(tc_dns_sd_register_service)
{
pico_stack_init();
dns_sd_init();
}
END_TEST
START_TEST(tc_dns_sd_browse_service)
{
/* Not implemented in code */
}
END_TEST
START_TEST(tc_dns_sd_kv_vector_add)
{
kv_vector pairs = {
0
};
char *key = NULL;
pico_dns_sd_kv_vector_add(&pairs, text, value);
pico_dns_sd_kv_vector_add(&pairs, text2, NULL);
pico_dns_sd_kv_vector_add(&pairs, text3, value3);
key = pico_dns_sd_kv_vector_get(&pairs, 2)->key;
fail_unless(strcmp("color", key) == 0,
"dns_sd_kv_vector_add failed!\n");
}
END_TEST
START_TEST(tc_dns_sd_kv_vector_get)
{
kv_vector pairs = {
0
};
char *key = NULL;
pico_dns_sd_kv_vector_add(&pairs, text, value);
pico_dns_sd_kv_vector_add(&pairs, text2, NULL);
pico_dns_sd_kv_vector_add(&pairs, text3, value3);
key = pico_dns_sd_kv_vector_get(&pairs, 2)->key;
fail_unless(strcmp("color", key) == 0,
"dns_sd_kv_vector_get failed!\n");
fail_unless(pico_dns_sd_kv_vector_get(&pairs, 3) == NULL,
"dns_sd_kv_vector_get failed @ OOB!\n");
}
END_TEST
START_TEST(tc_dns_sd_kv_vector_erase)
{
kv_vector pairs = {
0
};
pico_dns_sd_kv_vector_add(&pairs, text, value);
pico_dns_sd_kv_vector_add(&pairs, text2, NULL);
pico_dns_sd_kv_vector_add(&pairs, text3, value3);
pico_dns_sd_kv_vector_erase(&pairs);
fail_unless(pairs.pairs == NULL,
"dns_sd_kv_vector_erase failed!\n");
fail_unless(pairs.count == 0,
"dns_sd_kv_vector_erase failed!\n");
}
END_TEST
Suite *pico_suite(void)
{
Suite *s = suite_create("PicoTCP");
/* Key-Value pair vector plain creation function */
TCase *TCase_dns_sd_kv_vector_strlen = tcase_create("Unit test for dns_sd_kv_vector_strlen");
/* DNS utility functions */
TCase *TCase_dns_sd_srv_record_create = tcase_create("Unit test for dns_sd_srv_record_create");
TCase *TCase_dns_sd_txt_record_create = tcase_create("Unit test for dns_sd_txt_record_create");
/* Key-Value pair creation */
TCase *TCase_dns_sd_kv_create = tcase_create("Unit test for dns_sd_kv_create");
TCase *TCase_dns_sd_kv_delete = tcase_create("Unit test for dns_sd_kv_delete");
/* Utility functions */
TCase *TCase_dns_sd_check_type_format = tcase_create("Unit test for dns_sd_check_type_format");
TCase *TCase_dns_sd_check_instance_name_format = tcase_create("Unit test for dns_sd_check_instance_name_format");
TCase *TCase_dns_sd_create_service_url = tcase_create("Unit test for dns_sd_create_service_url");
/* DNS SD API functions */
TCase *TCase_dns_sd_init = tcase_create("Unit test for dns_sd_init");
TCase *TCase_dns_sd_register_service = tcase_create("Unit test for dns_sd_register_service");
TCase *TCase_dns_sd_browse_service = tcase_create("Unit test for dns_sd_browse_service");
/* Key-Value vector functions */
TCase *TCase_dns_sd_kv_vector_add = tcase_create("Unit test for dns_sd_kv_vector_add");
TCase *TCase_dns_sd_kv_vector_get = tcase_create("Unit test for dns_sd_kv_vector_get");
TCase *TCase_dns_sd_kv_vector_erase = tcase_create("Unit test for dns_sd_kv_vector_erase");
/* Key-Value pair vector plain creation function */
tcase_add_test(TCase_dns_sd_kv_vector_strlen, tc_dns_sd_kv_vector_strlen);
suite_add_tcase(s, TCase_dns_sd_kv_vector_strlen);
/* DNS utility functions */
tcase_add_test(TCase_dns_sd_srv_record_create, tc_dns_sd_srv_record_create);
suite_add_tcase(s, TCase_dns_sd_srv_record_create);
tcase_add_test(TCase_dns_sd_txt_record_create, tc_dns_sd_txt_record_create);
suite_add_tcase(s, TCase_dns_sd_txt_record_create);
/* Key-Value pair creation */
tcase_add_test(TCase_dns_sd_kv_create, tc_dns_sd_kv_create);
suite_add_tcase(s, TCase_dns_sd_kv_create);
tcase_add_test(TCase_dns_sd_kv_delete, tc_dns_sd_kv_delete);
suite_add_tcase(s, TCase_dns_sd_kv_delete);
/* Utility functions */
tcase_add_test(TCase_dns_sd_check_type_format, tc_dns_sd_check_type_format);
suite_add_tcase(s, TCase_dns_sd_check_type_format);
tcase_add_test(TCase_dns_sd_check_instance_name_format, tc_dns_sd_check_instance_name_format);
suite_add_tcase(s, TCase_dns_sd_check_instance_name_format);
tcase_add_test(TCase_dns_sd_create_service_url, tc_dns_sd_create_service_url);
suite_add_tcase(s, TCase_dns_sd_create_service_url);
/* DNS SD API functions */
tcase_add_test(TCase_dns_sd_init, tc_dns_sd_init);
suite_add_tcase(s, TCase_dns_sd_init);
tcase_add_test(TCase_dns_sd_register_service, tc_dns_sd_register_service);
suite_add_tcase(s, TCase_dns_sd_register_service);
tcase_add_test(TCase_dns_sd_browse_service, tc_dns_sd_browse_service);
suite_add_tcase(s, TCase_dns_sd_browse_service);
/* Key-Value vector functions */
tcase_add_test(TCase_dns_sd_kv_vector_add, tc_dns_sd_kv_vector_add);
suite_add_tcase(s, TCase_dns_sd_kv_vector_add);
tcase_add_test(TCase_dns_sd_kv_vector_get, tc_dns_sd_kv_vector_get);
suite_add_tcase(s, TCase_dns_sd_kv_vector_get);
tcase_add_test(TCase_dns_sd_kv_vector_erase, tc_dns_sd_kv_vector_erase);
suite_add_tcase(s, TCase_dns_sd_kv_vector_erase);
return s;
}
int main(void)
{
int fails;
Suite *s = pico_suite();
SRunner *sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
fails = srunner_ntests_failed(sr);
srunner_free(sr);
return fails;
}
END_TEST
START_TEST (test_icmp4_incoming_ping)
{
int bufferlen = 76;
uint8_t buffer[76] = {
0x45, 0x00, 0x00, 0x4c,
0x91, 0xc3, 0x40, 0x00,
0x40, 0x01, 0x24, 0xd0,
0xc0, 0xa8, 0x01, 0x66,
0xc0, 0xa8, 0x01, 0x64,
0x08, 0x00, 0x66, 0x3c,
0x91, 0xc2, 0x01, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
int buffer2len = 76;
int len;
int cntr = 0;
uint8_t buffer2[bufferlen];
struct pico_ip4 local = {
.addr = long_be(0xc0a80164)
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
struct mock_device*mock;
struct pico_ipv4_hdr *hdr = (struct pico_ipv4_hdr *) buffer;
printf("*********************** starting %s * \n", __func__);
pico_stack_init();
mock = pico_mock_create(NULL);
fail_if(mock == NULL, "No device created");
pico_ipv4_link_add(mock->dev, local, netmask);
hdr->crc = 0;
hdr->crc = short_be(pico_checksum(hdr, PICO_SIZE_IP4HDR));
pico_mock_network_write(mock, buffer, bufferlen);
/* check if it is received */
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, buffer2len);
/* inspect it */
while(cntr < len) {
printf("0x%02x ", buffer2[cntr]);
cntr++;
if(cntr % 4 == 0)
printf("\n");
}
fail_unless(len == buffer2len, "ping reply lenght does not match, expected len: %d, got: %d", buffer2len, len);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 0);
fail_unless(mock_icmp_code(mock, buffer2, len) == 0);
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
}
END_TEST
START_TEST (test_icmp4_unreachable_send)
{
struct pico_ip4 local = {
.addr = long_be(0x0a280064)
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
struct mock_device*mock;
int len = 0;
int bufferlen = 80;
uint8_t buffer2[bufferlen];
uint8_t buffer[32] = {
0x45, 0x00, 0x00, 0x20, 0x91, 0xc0, 0x40, 0x00,
0x40, 0x11, 0x94, 0xb4, 0x0a, 0x28, 0x00, 0x05,
0x0a, 0x28, 0x00, 0x04, 0x15, 0xb3, 0x15, 0xb3,
0x00, 0x0c, 0x00, 0x00, 'e', 'l', 'l', 'o'
};
/* fake packet with bad upper-layer-protocol */
uint8_t buffer3[20] = {
0x45, 0x00, 0x00, 0x14, 0x91, 0xc0, 0x40, 0x00,
0x40, 0xff, 0x94, 0xb4, 0x0a, 0x28, 0x00, 0x05,
0x0a, 0x28, 0x00, 0x04
};
struct pico_frame*f = PICO_ZALLOC(sizeof(struct pico_frame));
uint8_t nullbuf[8] = {};
printf("*********************** starting %s * \n", __func__);
f->net_hdr = buffer;
f->buffer = buffer;
pico_stack_init();
mock = pico_mock_create(NULL);
fail_if(mock == NULL, "No device created");
pico_ipv4_link_add(mock->dev, local, netmask);
fail_if(pico_icmp4_dest_unreachable(f));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, bufferlen);
fail_unless(len == 56);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 3); /* destination unreachable */
fail_unless(mock_icmp_code(mock, buffer2, len) == 1); /* host unreachable */
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
fail_if(pico_icmp4_port_unreachable(f));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, bufferlen);
fail_unless(len == 56);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 3); /* destination unreachable */
fail_unless(mock_icmp_code(mock, buffer2, len) == 3); /* port unreachable */
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
fail_if(pico_icmp4_proto_unreachable(f));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, bufferlen);
fail_unless(len == 56);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 3); /* destination unreachable */
fail_unless(mock_icmp_code(mock, buffer2, len) == 2); /* proto unreachable */
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
fail_if(pico_icmp4_ttl_expired(f));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, bufferlen);
fail_unless(len == 56);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 11); /* ttl expired */
fail_unless(mock_icmp_code(mock, buffer2, len) == 0);
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
f->net_hdr = buffer3;
f->buffer = buffer3;
fail_if(pico_icmp4_proto_unreachable(f));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
len = pico_mock_network_read(mock, buffer2, bufferlen);
fail_unless(len == 56);
fail_unless(mock_ip_protocol(mock, buffer2, len) == 1);
fail_unless(mock_icmp_type(mock, buffer2, len) == 3); /* destination unreachable */
fail_unless(mock_icmp_code(mock, buffer2, len) == 2); /* proto unreachable */
fail_unless(pico_checksum(buffer2 + 20, len - 20) == 0);
#ifdef NOPE
/* I don't know what was the intention, but the buffer is shorter than 48 bytes... */
fail_if(memcmp(buffer + 48, nullbuf, 8) == 0); /* there was no data */
#endif
}
END_TEST
int icmp4_socket_unreach_status = 0;
void icmp4_unreach_socket_cb(uint16_t ev, struct pico_socket *s)
{
if (ev == PICO_SOCK_EV_ERR) {
icmp4_socket_unreach_status = 1;
}
}
START_TEST (test_icmp4_unreachable_recv)
{
struct pico_ip4 local = {
.addr = long_be(0x0a280064)
};
struct pico_ip4 remote = {
.addr = long_be(0x0a280065)
};
struct pico_ip4 netmask = {
.addr = long_be(0xffffff00)
};
struct mock_device*mock;
struct pico_socket*sock;
uint16_t port = short_be(7777);
/* put a host unreachable in the queue, run a few stack ticks */
uint8_t buffer[] = {
0x45, 0x00, 0x00, 0x20,
0x91, 0xc0, 0x40, 0x00,
0x40, 0x01, 0x94, 0xb4,
0x0a, 0x28, 0x00, 0x65,
0x0a, 0x28, 0x00, 0x64,
0x03, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
struct pico_ipv4_hdr *hdr = (struct pico_ipv4_hdr *) buffer;
printf("*********************** starting %s * \n", __func__);
pico_stack_init();
mock = pico_mock_create(NULL);
fail_if(mock == NULL, "No device created");
pico_ipv4_link_add(mock->dev, local, netmask);
/* open a socket */
sock = pico_socket_open(PICO_PROTO_IPV4, PICO_PROTO_TCP, &icmp4_unreach_socket_cb);
fail_if(sock == NULL);
fail_if(pico_socket_bind(sock, &local, &port));
pico_socket_connect(sock, &remote, port);
pico_socket_write(sock, "fooo", 4);
/* see if my callback was called with the proper code */
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
/* filling in the IP header and first 8 bytes */
hdr->crc = 0;
hdr->crc = short_be(pico_checksum(hdr, PICO_SIZE_IP4HDR));
printf("read %d bytes\n", pico_mock_network_read(mock, buffer + 28, 28));
printf("wrote %d bytes\n", pico_mock_network_write(mock, buffer, 56));
pico_stack_tick();
pico_stack_tick();
pico_stack_tick();
fail_unless(icmp4_socket_unreach_status == 1);
}
END_TEST
