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Add two new fuzzers (#2412)

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The goal is to increase code coverage by way of OSS-Fuzz. A recent code
coverage report is available at
https://storage.googleapis.com/oss-fuzz-coverage/cpp-httplib/reports/20260326/linux/report.html

Signed-off-by: David Korczynski <david@adalogics.com>
This commit is contained in:
DavidKorczynski
2026-03-28 19:00:10 +00:00
committed by GitHub
parent 32c82492de
commit 831b64bdeb
3 changed files with 120 additions and 1 deletions
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52
test/fuzzing/url_parser_fuzzer.cc Normal file
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#include <cstdint>
#include <cstring>
#include <string>
#include <httplib.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size < 2) return 0;
// Use first byte to select which parsing function to exercise
uint8_t selector = data[0];
const char *payload = reinterpret_cast<const char *>(data + 1);
size_t payload_size = size - 1;
std::string input(payload, payload_size);
switch (selector % 6) {
case 0: {
// parse_query_text
httplib::Params params;
httplib::detail::parse_query_text(payload, payload_size, params);
break;
}
case 1: {
// decode_query_component
httplib::decode_query_component(input, true);
httplib::decode_query_component(input, false);
break;
}
case 2: {
// decode_path_component
httplib::decode_path_component(input);
break;
}
case 3: {
// encode_query_component
httplib::encode_query_component(input);
break;
}
case 4: {
// normalize_query_string
httplib::detail::normalize_query_string(input);
break;
}
case 5: {
// is_valid_path
httplib::detail::is_valid_path(input);
break;
}
}
return 0;
}