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Add verbose SSL error messages 

refs #6682
This commit is contained in:
Michael Friedrich 2014-08-04 17:13:42 +02:00
parent fd233ae901
commit 9ae37bf109
1 changed files with 39 additions and 2 deletions
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41
lib/base/tlsutility.cpp
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@ -18,6 +18,10 @@
******************************************************************************/
#include "base/tlsutility.hpp"
#include "base/convert.hpp"
#include "base/logger_fwd.hpp"
#include "base/context.hpp"
namespace icinga
{
@ -72,6 +76,7 @@ static void InitializeOpenSSL(void)
*/
shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey, const String& cakey)
{
std::ostringstream msgbuf;
InitializeOpenSSL();
shared_ptr<SSL_CTX> sslContext = shared_ptr<SSL_CTX>(SSL_CTX_new(TLSv1_method()), SSL_CTX_free);
@ -79,6 +84,8 @@ shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey,
SSL_CTX_set_mode(sslContext.get(), SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
if (!SSL_CTX_use_certificate_chain_file(sslContext.get(), pubkey.CStr())) {
msgbuf << "Error with public key file '" << pubkey << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SSL_CTX_use_certificate_chain_file")
<< errinfo_openssl_error(ERR_get_error())
@ -86,6 +93,8 @@ shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey,
}
if (!SSL_CTX_use_PrivateKey_file(sslContext.get(), privkey.CStr(), SSL_FILETYPE_PEM)) {
msgbuf << "Error with private key file '" << privkey << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SSL_CTX_use_PrivateKey_file")
<< errinfo_openssl_error(ERR_get_error())
@ -93,12 +102,16 @@ shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey,
}
if (!SSL_CTX_check_private_key(sslContext.get())) {
msgbuf << "Error checking private key '" << privkey << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SSL_CTX_check_private_key")
<< errinfo_openssl_error(ERR_get_error()));
}
if (!SSL_CTX_load_verify_locations(sslContext.get(), cakey.CStr(), NULL)) {
msgbuf << "Error loading and verifying locations in ca key file '" << cakey << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SSL_CTX_load_verify_locations")
<< errinfo_openssl_error(ERR_get_error())
@ -109,6 +122,8 @@ shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey,
cert_names = SSL_load_client_CA_file(cakey.CStr());
if (cert_names == NULL) {
msgbuf << "Error loading client ca key file '" << cakey << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SSL_load_client_CA_file")
<< errinfo_openssl_error(ERR_get_error())
@ -128,18 +143,23 @@ shared_ptr<SSL_CTX> MakeSSLContext(const String& pubkey, const String& privkey,
*/
void AddCRLToSSLContext(const shared_ptr<SSL_CTX>& context, const String& crlPath)
{
std::ostringstream msgbuf;
X509_STORE *x509_store = SSL_CTX_get_cert_store(context.get());
X509_LOOKUP *lookup;
lookup = X509_STORE_add_lookup(x509_store, X509_LOOKUP_file());
if (!lookup) {
msgbuf << "Error adding X509 store lookup: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("X509_STORE_add_lookup")
<< errinfo_openssl_error(ERR_get_error()));
}
if (X509_LOOKUP_load_file(lookup, crlPath.CStr(), X509_FILETYPE_PEM) != 0) {
msgbuf << "Error loading crl file '" << crlPath << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("X509_LOOKUP_load_file")
<< errinfo_openssl_error(ERR_get_error())
@ -160,12 +180,15 @@ void AddCRLToSSLContext(const shared_ptr<SSL_CTX>& context, const String& crlPat
*/
String GetCertificateCN(const shared_ptr<X509>& certificate)
{
std::ostringstream msgbuf;
char buffer[256];
int rc = X509_NAME_get_text_by_NID(X509_get_subject_name(certificate.get()),
NID_commonName, buffer, sizeof(buffer));
if (rc == -1) {
msgbuf << "Error with x509 NAME getting text by NID: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("X509_NAME_get_text_by_NID")
<< errinfo_openssl_error(ERR_get_error()));
@ -182,16 +205,21 @@ String GetCertificateCN(const shared_ptr<X509>& certificate)
*/
shared_ptr<X509> GetX509Certificate(const String& pemfile)
{
std::ostringstream msgbuf;
X509 *cert;
BIO *fpcert = BIO_new(BIO_s_file());
if (fpcert == NULL) {
msgbuf << "Error creating new BIO: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("BIO_new")
<< errinfo_openssl_error(ERR_get_error()));
}
if (BIO_read_filename(fpcert, pemfile.CStr()) < 0) {
msgbuf << "Error reading pem file '" << pemfile << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("BIO_read_filename")
<< errinfo_openssl_error(ERR_get_error())
@ -200,6 +228,8 @@ shared_ptr<X509> GetX509Certificate(const String& pemfile)
cert = PEM_read_bio_X509_AUX(fpcert, NULL, NULL, NULL);
if (cert == NULL) {
msgbuf << "Error on bio X509 AUX reading pem file '" << pemfile << "': " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("PEM_read_bio_X509_AUX")
<< errinfo_openssl_error(ERR_get_error())
@ -213,8 +243,8 @@ shared_ptr<X509> GetX509Certificate(const String& pemfile)
int MakeX509CSR(const char *cn, const char *keyfile, const char *csrfile)
{
InitializeOpenSSL();
InitializeOpenSSL();
RSA *rsa = RSA_generate_key(4096, RSA_F4, NULL, NULL);
BIO *bio = BIO_new(BIO_s_file());
@ -251,22 +281,29 @@ int MakeX509CSR(const char *cn, const char *keyfile, const char *csrfile)
String SHA256(const String& s)
{
std::ostringstream msgbuf;
SHA256_CTX context;
unsigned char digest[SHA256_DIGEST_LENGTH];
if (!SHA256_Init(&context)) {
msgbuf << "Error on SHA256 Init: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SHA256_Init")
<< errinfo_openssl_error(ERR_get_error()));
}
if (!SHA256_Update(&context, (unsigned char*)s.CStr(), s.GetLength())) {
msgbuf << "Error on SHA256 Update: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SHA256_Update")
<< errinfo_openssl_error(ERR_get_error()));
}
if (!SHA256_Final(digest, &context)) {
msgbuf << "Error on SHA256 Final: " << ERR_get_error() << ", \"" << ERR_error_string(ERR_get_error(), NULL) << "\"";
Log(LogCritical, "SSL", msgbuf.str());
BOOST_THROW_EXCEPTION(openssl_error()
<< boost::errinfo_api_function("SHA256_Final")
<< errinfo_openssl_error(ERR_get_error()));