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MultipartParser.cpp
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62 lines (46 loc) · 1.7 KB
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/* This is a fuzz test of the multipart parser */
#define WIN32_EXPORT
#include <cstdio>
#include <string>
#include <cstdlib>
#include "../src/Multipart.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (!size) {
return 0;
}
char *mutableMemory = (char *) malloc(size);
memcpy(mutableMemory, data, size);
/* First byte determines how long contentType is */
unsigned char contentTypeLength = data[0];
size--;
std::string_view contentType((char *) mutableMemory + 1, std::min<size_t>(contentTypeLength, size));
size -= contentType.length();
std::string_view body((char *) mutableMemory + 1 + contentType.length(), size);
uWS::MultipartParser mp(contentType);
if (mp.isValid()) {
mp.setBody(body);
std::pair<std::string_view, std::string_view> headers[10];
while (true) {
std::optional<std::string_view> optionalPart = mp.getNextPart(headers);
if (!optionalPart.has_value()) {
break;
}
std::string_view part = optionalPart.value();
for (int i = 0; headers[i].first.length(); i++) {
/* We care about content-type and content-disposition */
if (headers[i].first == "content-disposition") {
/* Parse the parameters */
uWS::ParameterParser pp(headers[i].second);
while (true) {
auto [key, value] = pp.getKeyValue();
if (!key.length()) {
break;
}
}
}
}
}
}
free(mutableMemory);
return 0;
}