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oss-fuzz: Parse PDUs for TCP and WebSockets

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Jon Shallow authored and Jon Shallow committed 2023-04-12 13:34:33 +01:00
1 parent 964bd69481
commit 8ccde068ad
3 files changed
+48 -2
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tests/oss-fuzz/pdu_parse_tcp_target.c
+23
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@@ -0,0 +1,23 @@
#include <coap3/coap.h>
/* Declare prototype for internal function coap_pdu_encode_header() */
size_t coap_pdu_encode_header(coap_pdu_t *, coap_proto_t);
int
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
if (pdu) {
coap_set_log_level(COAP_LOG_ERR);
if (coap_pdu_parse(COAP_PROTO_TCP, data, size, pdu)) {
coap_string_t *query = coap_get_query(pdu);
coap_string_t *uri_path = coap_get_uri_path(pdu);
coap_show_pdu(COAP_LOG_ERR, pdu);
coap_pdu_encode_header(pdu, COAP_PROTO_TCP);
coap_delete_string(query);
coap_delete_string(uri_path);
}
coap_delete_pdu(pdu);
}
return 0;
}
tests/oss-fuzz/pdu_parse_target.c → tests/oss-fuzz/pdu_parse_udp_target.c
+2 -2
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@@ -7,11 +7,11 @@ int
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
if (pdu) {
coap_set_log_level(COAP_LOG_DEBUG);
coap_set_log_level(COAP_LOG_ERR);
if (coap_pdu_parse(COAP_PROTO_UDP, data, size, pdu)) {
coap_string_t *query = coap_get_query(pdu);
coap_string_t *uri_path = coap_get_uri_path(pdu);
coap_show_pdu(COAP_LOG_DEBUG, pdu);
coap_show_pdu(COAP_LOG_ERR, pdu);
coap_pdu_encode_header(pdu, COAP_PROTO_UDP);
coap_delete_string(query);
tests/oss-fuzz/pdu_parse_ws_target.c
+23
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@@ -0,0 +1,23 @@
#include <coap3/coap.h>
/* Declare prototype for internal function coap_pdu_encode_header() */
size_t coap_pdu_encode_header(coap_pdu_t *, coap_proto_t);
int
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
coap_pdu_t *pdu = coap_pdu_init(0, 0, 0, size);
if (pdu) {
coap_set_log_level(COAP_LOG_ERR);
if (coap_pdu_parse(COAP_PROTO_WS, data, size, pdu)) {
coap_string_t *query = coap_get_query(pdu);
coap_string_t *uri_path = coap_get_uri_path(pdu);
coap_show_pdu(COAP_LOG_ERR, pdu);
coap_pdu_encode_header(pdu, COAP_PROTO_WS);
coap_delete_string(query);
coap_delete_string(uri_path);
}
coap_delete_pdu(pdu);
}
return 0;
}