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Fix "Issue 42689 in oss-fuzz: cpp-httplib:server_fuzzer: Timeout in server_fuzzer"

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yhirose 2021-12-24 20:58:09 -05:00
parent 99ac17b90a
commit 63f72caf30
1 changed files with 8 additions and 1 deletions
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9
httplib.h
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@ -60,6 +60,10 @@
#define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH
#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192
#endif
#ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT
#define CPPHTTPLIB_REDIRECT_MAX_COUNT 20
#endif
@ -3178,6 +3182,8 @@ inline bool read_headers(Stream &strm, Headers &headers) {
continue; // Skip invalid line.
}
if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
// Exclude CRLF
auto end = line_reader.ptr() + line_reader.size() - 2;
@ -3703,6 +3709,7 @@ public:
}
case 2: { // Headers
auto pos = buf_find(crlf_);
if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; }
while (pos < buf_size()) {
// Empty line
if (pos == 0) {
@ -3866,7 +3873,7 @@ private:
void buf_append(const char *data, size_t n) {
auto remaining_size = buf_size();
if (remaining_size > 0) {
if (remaining_size > 0 && buf_spos_ > 0) {
for (size_t i = 0; i < remaining_size; i++) {
buf_[i] = buf_[buf_spos_ + i];
}