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test_error_response.c
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/* libcoap unit tests
*
* Copyright (C) 2013,2015,2022-2024 Olaf Bergmann <[email protected]>
*
* SPDX-License-Identifier: BSD-2-Clause
*
* This file is part of the CoAP library libcoap. Please see
* README for terms of use.
*/
#include "test_common.h"
#include "test_error_response.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static coap_pdu_t *pdu; /* Holds the request PDU for most tests */
static coap_opt_filter_t opts; /* option filter used for generating responses */
#define ReturnIf_CU_ASSERT_PTR_NOT_NULL(value) \
CU_ASSERT_PTR_NOT_NULL(value); \
if ((void*)value == NULL) return;
/************************************************************************
** PDU decoder
************************************************************************/
/* FIXME: handle COAP_ERROR_PHRASE_LENGTH == 0 */
static void
t_error_response1(void) {
uint8_t teststr[] = {
0x60, 0x80, 0x12, 0x34, 0xff, 'B', 'a', 'd',
' ', 'R', 'e', 'q', 'u', 'e', 's', 't'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
pdu->mid = 0x1234;
/* result = coap_add_token(pdu, 5, (unsigned char *)"token"); */
coap_option_filter_clear(&opts);
response = coap_new_error_response(pdu, COAP_RESPONSE_CODE(400), &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 0);
CU_ASSERT(response->code == 0x80);
CU_ASSERT(response->mid == 0x1234);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response2(void) {
uint8_t teststr[] = {
0x55, 0x84, 0x12, 0x34, 't', 'o', 'k', 'e',
'n', 0xff, 'N', 'o', 't', ' ', 'F', 'o',
'u', 'n', 'd'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_NON;
pdu->mid = 0x1234;
coap_add_token(pdu, 5, (const uint8_t *)"token");
coap_add_option(pdu, COAP_OPTION_URI_HOST, 4, (const uint8_t *)"time");
coap_option_filter_clear(&opts);
response = coap_new_error_response(pdu, COAP_RESPONSE_CODE(404), &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_NON);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == 0x84);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response3(void) {
const uint8_t code = COAP_RESPONSE_CODE(402);
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xd0, 0x0c, 0xff, 'B', 'a', 'd', ' ', 'O',
'p', 't', 'i', 'o', 'n'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* coap_add_option(pdu, COAP_OPTION_URI_HOST, 4, (const uint8_t *)"time"); */
/* unknown critical option 25 */
coap_add_option(pdu, 25, 0, NULL);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 25);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response4(void) {
const uint8_t code = COAP_RESPONSE_CODE(402);
unsigned char optval[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b
};
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xdc, 0x0c, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0xff, 'B',
'a', 'd', ' ', 'O', 'p', 't', 'i', 'o',
'n'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* coap_add_option(pdu, COAP_OPTION_URI_HOST, 4, (const uint8_t *)"time"); */
/* unknown critical option 25 */
coap_add_option(pdu, 25, sizeof(optval), optval);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 25);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response5(void) {
const uint8_t code = COAP_RESPONSE_CODE(402);
unsigned char optval[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12
};
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xdd, 0x0c, 0x06, 0x00, 0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0xff, 'B',
'a', 'd', ' ', 'O', 'p', 't', 'i', 'o',
'n'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* coap_add_option(pdu, COAP_OPTION_URI_HOST, 4, (const uint8_t *)"time"); */
/* unknown critical option 25 */
coap_add_option(pdu, 25, sizeof(optval), optval);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 25);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response6(void) {
const uint8_t code = COAP_RESPONSE_CODE(402);
unsigned char optval[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12
};
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xdd, 0x0a, 0x06, 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0xff,
'B', 'a', 'd', ' ', 'O', 'p', 't', 'i',
'o', 'n'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* coap_add_option(pdu, COAP_OPTION_URI_HOST, 4, (const uint8_t *)"time"); */
/* unknown critical option 23 */
coap_add_option(pdu, 23, sizeof(optval), optval);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 23);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response7(void) {
const uint8_t code = COAP_RESPONSE_CODE(402);
unsigned char optval[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12
};
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xdd, 0x0a, 0x06, 0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0xff,
'B', 'a', 'd', ' ', 'O', 'p', 't', 'i',
'o', 'n'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* known option 11 */
coap_add_option(pdu, 11, 4, (const uint8_t *)"time");
/* unknown critical option 23 */
coap_add_option(pdu, 23, sizeof(optval), optval);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 23);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static void
t_error_response8(void) {
const uint8_t code = COAP_RESPONSE_CODE(503);
uint8_t teststr[] = {
0x65, code, 0x00, 0x00, 't', 'o', 'k', 'e',
'n', 0xe0, 0x02, 0xdc, 0xd0, 0x00, 0xff, 'S',
'e', 'r', 'v', 'i', 'c', 'e', ' ', 'U',
'n', 'a', 'v', 'a', 'i', 'l', 'a', 'b',
'l', 'e'
};
coap_pdu_t *response;
coap_pdu_clear(pdu, pdu->max_size);
pdu->type = COAP_MESSAGE_CON;
coap_add_token(pdu, 5, (const uint8_t *)"token");
/* known option 1000 */
coap_add_option(pdu, 1000, 0, NULL);
/* unknown options 1001 and 1014 */
coap_add_option(pdu, 1001, 0, NULL);
coap_add_option(pdu, 1014, 0, NULL);
/* known option 2000 */
coap_add_option(pdu, 2000, 0, NULL);
coap_option_filter_clear(&opts);
coap_option_filter_set(&opts, 1001);
coap_option_filter_set(&opts, 1014);
response = coap_new_error_response(pdu, code, &opts);
ReturnIf_CU_ASSERT_PTR_NOT_NULL(response);
CU_ASSERT(response->used_size == sizeof(teststr) - 4);
CU_ASSERT(response->type == COAP_MESSAGE_ACK);
CU_ASSERT(response->e_token_length == 5);
CU_ASSERT(response->code == code);
CU_ASSERT(coap_pdu_encode_header(response, COAP_PROTO_UDP) == 4);
CU_ASSERT(memcmp(response->token - 4, teststr, sizeof(teststr)) == 0);
coap_delete_pdu(response);
}
static int
t_error_response_tests_create(void) {
pdu = coap_pdu_init(0, 0, 0, COAP_DEFAULT_MTU);
return pdu == NULL;
}
static int
t_error_response_tests_remove(void) {
coap_delete_pdu(pdu);
return 0;
}
CU_pSuite
t_init_error_response_tests(void) {
CU_pSuite suite[1];
suite[0] = CU_add_suite("error response generator",
t_error_response_tests_create,
t_error_response_tests_remove);
if (!suite[0]) { /* signal error */
fprintf(stderr, "W: cannot add error response generator test suite (%s)\n",
CU_get_error_msg());
return NULL;
}
#define ERROR_RESPONSE_TEST(s,t) \
if (!CU_ADD_TEST(s,t)) { \
fprintf(stderr, "W: cannot add error response generator test (%s)\n", \
CU_get_error_msg()); \
}
ERROR_RESPONSE_TEST(suite[0], t_error_response1);
ERROR_RESPONSE_TEST(suite[0], t_error_response2);
ERROR_RESPONSE_TEST(suite[0], t_error_response3);
ERROR_RESPONSE_TEST(suite[0], t_error_response4);
ERROR_RESPONSE_TEST(suite[0], t_error_response5);
ERROR_RESPONSE_TEST(suite[0], t_error_response6);
ERROR_RESPONSE_TEST(suite[0], t_error_response7);
ERROR_RESPONSE_TEST(suite[0], t_error_response8);
return suite[0];
}