| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include"crypto/openssl_util.h" |
| |
| #include<stddef.h> |
| #include<stdint.h> |
| |
| #include<string_view> |
| |
| #include"base/logging.h" |
| #include"third_party/boringssl/src/include/openssl/err.h" |
| |
| namespace crypto{ |
| |
| namespace{ |
| |
| // Callback routine for OpenSSL to print error messages. |str| is a |
| // NULL-terminated string of length |len| containing diagnostic information |
| // such as the library, function and reason for the error, the file and line |
| // where the error originated, plus potentially any context-specific |
| // information about the error. |context| contains a pointer to user-supplied |
| // data, which is currently unused. |
| // If this callback returns a value <= 0, OpenSSL will stop processing the |
| // error queue and return, otherwise it will continue calling this function |
| // until all errors have been removed from the queue. |
| intOpenSSLErrorCallback(constchar* str,size_t len,void* context){ |
| DVLOG(1)<<"\t"<< std::string_view(str, len); |
| return1; |
| } |
| |
| }// namespace |
| |
| voidClearOpenSSLERRStack(const base::Location& location){ |
| if(DCHECK_IS_ON()&& VLOG_IS_ON(1)){ |
| uint32_t error_num= ERR_peek_error(); |
| if(error_num==0) |
| return; |
| |
| DVLOG(1)<<"OpenSSL ERR_get_error stack from "<< location.ToString(); |
| ERR_print_errors_cb(&OpenSSLErrorCallback, NULL); |
| }else{ |
| ERR_clear_error(); |
| } |
| } |
| |
| }// namespace crypto |
