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server_certificate_verifier extended to reuse built-in verifier

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This commit is contained in:
UrosG 2025-02-16 13:24:25 +01:00
parent 233f0fb1b8
commit c27d1fdbb5
1 changed files with 25 additions and 11 deletions
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36
httplib.h
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@ -435,6 +435,12 @@ private:
} // namespace detail } // namespace detail
enum SSLVerifierResponse {
Verified, // connection certificate is verified and accepted
CheckAgain, // use the built-in certificate checker again
Declined // connection certificate was process but is declined
};
enum StatusCode { enum StatusCode {
// Information responses // Information responses
Continue_100 = 100, Continue_100 = 100,
@ -1483,7 +1489,7 @@ public:
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void enable_server_certificate_verification(bool enabled); void enable_server_certificate_verification(bool enabled);
void enable_server_hostname_verification(bool enabled); void enable_server_hostname_verification(bool enabled);
void set_server_certificate_verifier(std::function<bool(SSL *ssl)> verifier); void set_server_certificate_verifier(std::function<SSLVerifierResponse(SSL *ssl)> verifier);
#endif #endif
void set_logger(Logger logger); void set_logger(Logger logger);
@ -1600,7 +1606,7 @@ protected:
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
bool server_certificate_verification_ = true; bool server_certificate_verification_ = true;
bool server_hostname_verification_ = true; bool server_hostname_verification_ = true;
std::function<bool(SSL *ssl)> server_certificate_verifier_; std::function<SSLVerifierResponse(SSL *ssl)> server_certificate_verifier_;
#endif #endif
Logger logger_; Logger logger_;
@ -1913,7 +1919,7 @@ public:
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT #ifdef CPPHTTPLIB_OPENSSL_SUPPORT
void enable_server_certificate_verification(bool enabled); void enable_server_certificate_verification(bool enabled);
void enable_server_hostname_verification(bool enabled); void enable_server_hostname_verification(bool enabled);
void set_server_certificate_verifier(std::function<bool(SSL *ssl)> verifier); void set_server_certificate_verifier(std::function<SSLVerifierResponse(SSL *ssl)> verifier);
#endif #endif
void set_logger(Logger logger); void set_logger(Logger logger);
@ -9009,7 +9015,7 @@ inline void ClientImpl::enable_server_hostname_verification(bool enabled) {
} }
inline void ClientImpl::set_server_certificate_verifier( inline void ClientImpl::set_server_certificate_verifier(
std::function<bool(SSL *ssl)> verifier) { std::function<SSLVerifierResponse(SSL *ssl)> verifier) {
server_certificate_verifier_ = verifier; server_certificate_verifier_ = verifier;
} }
#endif #endif
@ -9623,12 +9629,20 @@ inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) {
} }
if (server_certificate_verification_) { if (server_certificate_verification_) {
if (server_certificate_verifier_) { // set default status to CheckAgain
if (!server_certificate_verifier_(ssl2)) { SSLVerifierResponse verificationStatus = SSLVerifierResponse::CheckAgain;
error = Error::SSLServerVerification;
return false; if (server_certificate_verifier_)
} verificationStatus = server_certificate_verifier_(ssl2);
} else {
if (verificationStatus == SSLVerifierResponse::Declined)
{
error = Error::SSLServerVerification;
return false;
}
if (verificationStatus == SSLVerifierResponse::CheckAgain)
{
verify_result_ = SSL_get_verify_result(ssl2); verify_result_ = SSL_get_verify_result(ssl2);
if (verify_result_ != X509_V_OK) { if (verify_result_ != X509_V_OK) {
@ -10389,7 +10403,7 @@ inline void Client::enable_server_hostname_verification(bool enabled) {
} }
inline void Client::set_server_certificate_verifier( inline void Client::set_server_certificate_verifier(
std::function<bool(SSL *ssl)> verifier) { std::function<SSLVerifierResponse(SSL *ssl)> verifier) {
cli_->set_server_certificate_verifier(verifier); cli_->set_server_certificate_verifier(verifier);
} }
#endif #endif