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/*
* Copyright (C) NGINX, Inc.
*/
#include <nxt_main.h>
#define KMININPUTLENGTH 2
#define KMAXINPUTLENGTH 128
extern int LLVMFuzzerInitialize(int *argc, char ***argv);
extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
void nxt_base64_fuzz(const u_char *data, size_t size);
void nxt_term_fuzz(const u_char *data, size_t size);
void nxt_time_fuzz(const u_char *data, size_t size);
void nxt_utf8_fuzz(const u_char *data, size_t size);
extern char **environ;
int
LLVMFuzzerInitialize(int *argc, char ***argv)
{
if (nxt_lib_start("fuzzing", NULL, &environ) != NXT_OK) {
return NXT_ERROR;
}
return 0;
}
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
if (size < KMININPUTLENGTH || size > KMAXINPUTLENGTH) {
return 0;
}
nxt_base64_fuzz(data, size);
nxt_term_fuzz(data, size);
nxt_time_fuzz(data, size);
nxt_utf8_fuzz(data, size);
return 0;
}
void
nxt_base64_fuzz(const u_char *data, size_t size)
{
u_char buf[256];
ssize_t ret;
/*
* Validate base64 data before decoding.
*/
ret = nxt_base64_decode(NULL, (u_char *)data, size);
if (ret == NXT_ERROR) {
return;
}
nxt_base64_decode(buf, (u_char *)data, size);
}
void
nxt_term_fuzz(const u_char *data, size_t size)
{
nxt_term_parse(data, size, 0);
nxt_term_parse(data, size, 1);
}
void
nxt_time_fuzz(const u_char *data, size_t size)
{
nxt_time_parse(data, size);
}
void
nxt_utf8_fuzz(const u_char *data, size_t size)
{
const u_char *in;
in = data;
nxt_utf8_decode(&in, data + size);
}
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