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Add engine tests

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cozis
2025-05-12 22:23:33 +02:00
parent 2d4f062917
commit f725e63fb0
10 changed files with 638 additions and 182 deletions
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tests/test_fuzz_engine.c
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#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include "test.h"
static void *memfunc(HTTP_MemoryFuncTag tag,
void *ptr, int len, void *data)
{
(void) data;
switch (tag) {
case HTTP_MEMFUNC_MALLOC:
{
void *ptr = NULL;
int x = rand() & 31;
if (x == 0)
ptr = malloc(len);
return ptr;
}
case HTTP_MEMFUNC_FREE:
free(ptr);
return NULL;
}
return NULL;
}
const char *http_statestr(int state)
{
switch (state) {
case HTTP_ENGINE_STATE_NONE : return "NONE";
case HTTP_ENGINE_STATE_CLIENT_PREP_URL : return "CLIENT_PREP_URL";
case HTTP_ENGINE_STATE_CLIENT_PREP_HEADER : return "CLIENT_PREP_HEADER";
case HTTP_ENGINE_STATE_CLIENT_PREP_BODY_BUF: return "CLIENT_PREP_BODY_BUF";
case HTTP_ENGINE_STATE_CLIENT_PREP_BODY_ACK: return "CLIENT_PREP_BODY_ACK";
case HTTP_ENGINE_STATE_CLIENT_PREP_ERROR : return "CLIENT_PREP_ERROR";
case HTTP_ENGINE_STATE_CLIENT_SEND_BUF : return "CLIENT_SEND_BUF";
case HTTP_ENGINE_STATE_CLIENT_SEND_ACK : return "CLIENT_SEND_ACK";
case HTTP_ENGINE_STATE_CLIENT_RECV_BUF : return "CLIENT_RECV_BUF";
case HTTP_ENGINE_STATE_CLIENT_RECV_ACK : return "CLIENT_RECV_ACK";
case HTTP_ENGINE_STATE_CLIENT_READY : return "CLIENT_READY";
case HTTP_ENGINE_STATE_CLIENT_CLOSED : return "CLIENT_CLOSED";
case HTTP_ENGINE_STATE_SERVER_RECV_BUF : return "SERVER_RECV_BUF";
case HTTP_ENGINE_STATE_SERVER_RECV_ACK : return "SERVER_RECV_ACK";
case HTTP_ENGINE_STATE_SERVER_PREP_STATUS : return "SERVER_PREP_STATUS";
case HTTP_ENGINE_STATE_SERVER_PREP_HEADER : return "SERVER_PREP_HEADER";
case HTTP_ENGINE_STATE_SERVER_PREP_BODY_BUF: return "SERVER_PREP_BODY_BUF";
case HTTP_ENGINE_STATE_SERVER_PREP_BODY_ACK: return "SERVER_PREP_BODY_ACK";
case HTTP_ENGINE_STATE_SERVER_PREP_ERROR : return "SERVER_PREP_ERROR";
case HTTP_ENGINE_STATE_SERVER_SEND_BUF : return "SERVER_SEND_BUF";
case HTTP_ENGINE_STATE_SERVER_SEND_ACK : return "SERVER_SEND_ACK";
case HTTP_ENGINE_STATE_SERVER_CLOSED : return "SERVER_CLOSED";
}
return "???";
}
static sig_atomic_t stop = 0;
static void handle_signal(int dummy)
{
stop = 1;
}
void test_fuzz_engine(void)
{
signal(SIGINT, handle_signal);
char txt1[] = "";
char txt2[] = "GET / HTTP/1.1\r\n\r\n";
char txt3[] = "GET / HTTP/1.1\n";
char txt4[] = "HTTP/1.1 200 OK\r\n";
char txt5[] = "HTTP/1.1 200 OK\r\n\r\n";
int next_recvack = 0;
int next_sendack = 0;
int next_bodyack = 0;
int curr_bodycap = 0;
int client = 0;
HTTP_Engine eng;
http_engine_init(&eng, client, memfunc, NULL);
while (!stop) {
//printf("%s\n", http_statestr(http_engine_state(&eng)));
switch (rand() % 21) {
int max;
char *buf;
case 0:
//printf("http_engine_free/http_engine_init\n");
client = !client;
http_engine_free(&eng);
http_engine_init(&eng, client, memfunc, NULL);
next_recvack = 0;
next_sendack = 0;
next_bodyack = 0;
curr_bodycap = 0;
break;
case 1:
//printf("http_engine_recvbuf (1)\n");
buf = http_engine_recvbuf(&eng, &max);
memcpy(buf, txt1, strlen(txt1));
next_recvack = strlen(txt1);
break;
case 2:
//printf("http_engine_recvbuf (2)\n");
buf = http_engine_recvbuf(&eng, &max);
if (buf) {
memcpy(buf, txt2, strlen(txt2));
next_recvack = strlen(txt2);
}
break;
case 3:
//printf("http_engine_recvbuf (3)\n");
buf = http_engine_recvbuf(&eng, &max);
if (buf) {
memcpy(buf, txt3, strlen(txt3));
next_recvack = strlen(txt3);
}
break;
case 4:
//printf("http_engine_recvbuf (4)\n");
buf = http_engine_recvbuf(&eng, &max);
if (buf) {
memcpy(buf, txt4, strlen(txt4));
next_recvack = strlen(txt4);
}
break;
case 5:
//printf("http_engine_recvbuf (5)\n");
buf = http_engine_recvbuf(&eng, &max);
if (buf) {
memcpy(buf, txt5, strlen(txt5));
next_recvack = strlen(txt5);
}
break;
case 6:
//printf("http_engine_recvack\n");
http_engine_recvack(&eng, next_recvack);
next_recvack = 0;
break;
case 7:
//printf("http_engine_sendbuf\n");
buf = http_engine_sendbuf(&eng, &max);
if (max)
next_sendack = rand() % max;
break;
case 8:
//printf("http_engine_sendack\n");
http_engine_sendack(&eng, next_sendack);
next_sendack = 0;
break;
case 9:
//printf("http_engine_getreq\n");
http_engine_getreq(&eng);
break;
case 10:
//printf("http_engine_getres\n");
http_engine_getres(&eng);
break;
case 11:
//printf("http_engine_url\n");
http_engine_url(&eng, HTTP_METHOD_GET, "", 0);
break;
case 12:
//printf("http_engine_url\n");
http_engine_url(&eng, HTTP_METHOD_GET, "http://127.0.0.1/hello", 0);
break;
case 13:
//printf("http_engine_status\n");
http_engine_status(&eng, 200);
break;
case 14:
//printf("http_engine_header\n");
http_engine_header(&eng, "x:y", -1);
break;
case 15:
//printf("http_engine_bodycap\n");
http_engine_bodycap(&eng, rand() % 1000);
break;
case 16:
//printf("http_engine_bodybuf\n");
buf = http_engine_bodybuf(&eng, &max);
if (buf && max) {
max = rand() % max;
memset(buf, 0xFF, max);
next_bodyack = max;
}
break;
case 17:
//printf("http_engine_bodyack\n");
http_engine_bodyack(&eng, next_bodyack);
next_bodyack = 0;
break;
case 18:
//printf("http_engine_done\n");
http_engine_done(&eng);
break;
case 19:
//printf("http_engine_undo\n");
http_engine_undo(&eng);
break;
case 20:
//printf("http_engine_close\n");
http_engine_close(&eng);
break;
}
}
http_engine_free(&eng);
}