47 lines
980 B
C++
47 lines
980 B
C++
#include <stdint.h>
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#include <sys/types.h>
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#include "jansson.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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json_error_t error;
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if (size < sizeof(size_t) + sizeof(size_t))
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{
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return 0;
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}
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// Use the first sizeof(size_t) bytes as load flags.
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size_t load_flags = *(const size_t*)data;
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data += sizeof(size_t);
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size -= sizeof(size_t);
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// Use the next sizeof(size_t) bytes as dump flags.
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size_t dump_flags = *(const size_t*)data;
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data += sizeof(size_t);
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size -= sizeof(size_t);
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// Attempt to load the remainder of the data with the given load flags.
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const char* text = reinterpret_cast<const char *>(data);
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json_t* jobj = json_loadb(text, size, load_flags, &error);
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if (jobj == NULL)
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{
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return 0;
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}
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// Attempt to dump the loaded json object with the given dump flags.
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char* out = json_dumps(jobj, dump_flags);
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if (out)
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{
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free(out);
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}
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if (jobj)
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{
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json_decref(jobj);
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}
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return 0;
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} |