mirror of
https://github.com/DaveGamble/cJSON
synced 2024-12-24 15:42:07 +00:00
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "../cJSON.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); /* required by C89 */
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
|
|
{
|
|
cJSON *json;
|
|
size_t offset = 4;
|
|
unsigned char *copied;
|
|
char *printed_json = NULL;
|
|
int minify, require_termination, formatted, buffered;
|
|
|
|
|
|
if(size <= offset) return 0;
|
|
if(data[size-1] != '\0') return 0;
|
|
if(data[0] != '1' && data[0] != '0') return 0;
|
|
if(data[1] != '1' && data[1] != '0') return 0;
|
|
if(data[2] != '1' && data[2] != '0') return 0;
|
|
if(data[3] != '1' && data[3] != '0') return 0;
|
|
|
|
minify = data[0] == '1' ? 1 : 0;
|
|
require_termination = data[1] == '1' ? 1 : 0;
|
|
formatted = data[2] == '1' ? 1 : 0;
|
|
buffered = data[3] == '1' ? 1 : 0;
|
|
|
|
json = cJSON_ParseWithOpts((const char*)data + offset, NULL, require_termination);
|
|
|
|
if(json == NULL) return 0;
|
|
|
|
if(buffered)
|
|
{
|
|
printed_json = cJSON_PrintBuffered(json, 1, formatted);
|
|
}
|
|
else
|
|
{
|
|
/* unbuffered printing */
|
|
if(formatted)
|
|
{
|
|
printed_json = cJSON_Print(json);
|
|
}
|
|
else
|
|
{
|
|
printed_json = cJSON_PrintUnformatted(json);
|
|
}
|
|
}
|
|
|
|
if(printed_json != NULL) free(printed_json);
|
|
|
|
if(minify)
|
|
{
|
|
copied = (unsigned char*)malloc(size);
|
|
if(copied == NULL) return 0;
|
|
|
|
memcpy(copied, data, size);
|
|
|
|
cJSON_Minify((char*)copied + offset);
|
|
|
|
free(copied);
|
|
}
|
|
|
|
cJSON_Delete(json);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|