propagate from branch 'net.randombit.botan.x509-path-validation' (head 63b5a20eab129ca13287fda33d2d02eec329708f)

            to branch 'net.randombit.botan' (head 8b8150f09c55184f028f2929c4e7f7cd0d46d96e)

1 files changed, 149 insertions, 0 deletions

diff --git a/src/credentials/credentials_manager.cpp b/src/credentials/credentials_manager.cpp
new file mode 100644
index 000000000..adb3a64fc
--- /dev/null
+++ b/src/credentials/credentials_manager.cpp
@@ -0,0 +1,149 @@
+/*
+* Credentials Manager
+* (C) 2011,2012 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/credentials_manager.h>
+#include <botan/x509stor.h>
+
+namespace Botan {
+
+std::string Credentials_Manager::psk_identity_hint(const std::string&,
+                                                   const std::string&)
+   {
+   return "";
+   }
+
+std::string Credentials_Manager::psk_identity(const std::string&,
+                                              const std::string&,
+                                              const std::string&)
+   {
+   return "";
+   }
+
+SymmetricKey Credentials_Manager::psk(const std::string&,
+                                      const std::string&,
+                                      const std::string& identity)
+   {
+   throw Internal_Error("No PSK set for identity " + identity);
+   }
+
+bool Credentials_Manager::attempt_srp(const std::string&,
+                                      const std::string&)
+   {
+   return false;
+   }
+
+std::string Credentials_Manager::srp_identifier(const std::string&,
+                                                const std::string&)
+   {
+   return "";
+   }
+
+std::string Credentials_Manager::srp_password(const std::string&,
+                                              const std::string&,
+                                              const std::string&)
+   {
+   return "";
+   }
+
+bool Credentials_Manager::srp_verifier(const std::string&,
+                                       const std::string&,
+                                       const std::string&,
+                                       std::string&,
+                                       BigInt&,
+                                       std::vector<byte>&,
+                                       bool)
+   {
+   return false;
+   }
+
+std::vector<X509_Certificate> Credentials_Manager::cert_chain(
+   const std::vector<std::string>&,
+   const std::string&,
+   const std::string&)
+   {
+   return std::vector<X509_Certificate>();
+   }
+
+std::vector<X509_Certificate> Credentials_Manager::cert_chain_single_type(
+   const std::string& cert_key_type,
+   const std::string& type,
+   const std::string& context)
+   {
+   std::vector<std::string> cert_types;
+   cert_types.push_back(cert_key_type);
+   return cert_chain(cert_types, type, context);
+   }
+
+Private_Key* Credentials_Manager::private_key_for(const X509_Certificate&,
+                                                  const std::string&,
+                                                  const std::string&)
+   {
+   return nullptr;
+   }
+
+std::vector<X509_Certificate>
+Credentials_Manager::trusted_certificate_authorities(
+   const std::string&,
+   const std::string&)
+   {
+   return std::vector<X509_Certificate>();
+   }
+
+void Credentials_Manager::verify_certificate_chain(
+   const std::string& type,
+   const std::string& purported_hostname,
+   const std::vector<X509_Certificate>& cert_chain)
+   {
+   if(cert_chain.empty())
+      throw std::invalid_argument("Certificate chain was empty");
+
+   if(purported_hostname != "" && !cert_chain[0].matches_dns_name(purported_hostname))
+      throw std::runtime_error("Certificate did not match hostname");
+
+#if 1
+   std::vector<X509_Certificate> CAs = trusted_certificate_authorities(type, purported_hostname);
+
+   X509_Store store;
+
+   for(size_t i = 0; i != CAs.size(); ++i)
+      store.add_cert(CAs[i], true);
+   for(size_t i = 0; i != cert_chain.size(); ++i)
+      store.add_cert(cert_chain[i]);
+
+   X509_Code result = store.validate_cert(cert_chain[0], X509_Store::TLS_SERVER);
+
+   if(CAs.empty())
+      {
+      if(result == CERT_ISSUER_NOT_FOUND)
+         return;
+      if(result == CANNOT_ESTABLISH_TRUST)
+         return;
+      }
+
+   if(result != VERIFIED)
+      throw std::runtime_error("Certificate did not validate, code " +
+                               std::to_string(result));
+#else
+
+   // New X.509 API
+   const Certificate_Store& CAs =
+      trusted_certificate_authorities(type, purported_hostname);
+
+   Path_Validation_Result result =
+      x509_path_validate(cert_chain,
+                         Path_Validation_Restrictions(),
+                         store);
+
+   if(!result.successful_validation())
+      throw std::runtime_error("Certificate validation failure: " + result.as_string());
+
+   if(!CAs.certificate_known(result.trust_root())
+      throw std::runtime_error("Certificate chain roots in unknown/untrusted CA");
+#endif
+   }
+
+}