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#include "util/openssl_util.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <string>
using std::string;
namespace util {
string DumpOpenSSLErrorStack() {
if (ERR_peek_error() == 0)
return "No OpenSSL errors left on stack";
string stack_dump("OpenSSL errors left on stack:");
unsigned long error;
char error_string[256];
while ((error = ERR_get_error()) != 0) {
stack_dump.append("\n\t");
ERR_error_string_n(error, error_string, 256);
stack_dump.append(error_string);
}
return stack_dump;
}
void ClearOpenSSLErrors() {
ERR_clear_error();
}
string ReadBIO(BIO* bio) {
int size = BIO_pending(bio);
char* buffer = new char[size];
int bytes_read = BIO_read(bio, buffer, size);
if (bytes_read != size) {
LOG(ERROR) << "Read " << bytes_read << " bytes; expected " << size;
delete[] buffer;
return string();
}
string ret(buffer, bytes_read);
delete[] buffer;
return ret;
}
} // namespace util
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