1 files changed, 131 insertions, 0 deletions
diff --git a/src/cert/x509path/x509path.h b/src/cert/x509path/x509path.h
new file mode 100644
index 000000000..60680d0a3
--- /dev/null
+++ b/src/cert/x509path/x509path.h
@@ -0,0 +1,131 @@
+/*
+* X.509 Cert Path Validation
+* (C) 2010 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_X509_CERT_PATH_VALIDATION_H__
+#define BOTAN_X509_CERT_PATH_VALIDATION_H__
+
+#include <botan/x509cert.h>
+#include <botan/x509_crl.h>
+#include <botan/certstor.h>
+
+namespace Botan {
+
+/**
+* X.509 Certificate Validation Result
+*/
+enum X509_Code {
+   VERIFIED,
+   UNKNOWN_X509_ERROR,
+   CANNOT_ESTABLISH_TRUST,
+   CERT_CHAIN_TOO_LONG,
+   SIGNATURE_ERROR,
+   POLICY_ERROR,
+   INVALID_USAGE,
+
+   CERT_FORMAT_ERROR,
+   CERT_ISSUER_NOT_FOUND,
+   CERT_NOT_YET_VALID,
+   CERT_HAS_EXPIRED,
+   CERT_IS_REVOKED,
+
+   CRL_FORMAT_ERROR,
+   CRL_ISSUER_NOT_FOUND,
+   CRL_NOT_YET_VALID,
+   CRL_HAS_EXPIRED,
+
+   CA_CERT_CANNOT_SIGN,
+   CA_CERT_NOT_FOR_CERT_ISSUER,
+   CA_CERT_NOT_FOR_CRL_ISSUER
+};
+
+/**
+* X.509 Certificate Store
+*/
+class BOTAN_DLL X509_Store
+   {
+   public:
+      enum Cert_Usage {
+         ANY              = 0x00,
+         TLS_SERVER       = 0x01,
+         TLS_CLIENT       = 0x02,
+         CODE_SIGNING     = 0x04,
+         EMAIL_PROTECTION = 0x08,
+         TIME_STAMPING    = 0x10,
+         CRL_SIGNING      = 0x20
+      };
+
+      X509_Code validate_cert(const X509_Certificate&, Cert_Usage = ANY);
+
+      std::vector<X509_Certificate> get_cert_chain(const X509_Certificate&);
+      std::string PEM_encode() const;
+
+      X509_Code add_crl(const X509_CRL&);
+      void add_cert(const X509_Certificate&, bool = false);
+      void add_certs(DataSource&);
+      void add_trusted_certs(DataSource&);
+
+      void add_new_certstore(Certificate_Store*);
+
+      X509_Store(u32bit time_slack = 24*60*60,
+                 u32bit cache_results = 30*60);
+
+      X509_Store(const X509_Store&);
+      ~X509_Store();
+   private:
+      X509_Store& operator=(const X509_Store&) { return (*this); }
+
+      class BOTAN_DLL CRL_Data
+         {
+         public:
+            X509_DN issuer;
+            MemoryVector<byte> serial, auth_key_id;
+            bool operator==(const CRL_Data&) const;
+            bool operator!=(const CRL_Data&) const;
+            bool operator<(const CRL_Data&) const;
+         };
+
+      class BOTAN_DLL Cert_Info
+         {
+         public:
+            bool is_verified(u32bit timeout) const;
+            bool is_trusted() const;
+            X509_Code verify_result() const;
+            void set_result(X509_Code) const;
+            Cert_Info(const X509_Certificate&, bool = false);
+
+            X509_Certificate cert;
+            bool trusted;
+         private:
+            mutable bool checked;
+            mutable X509_Code result;
+            mutable u64bit last_checked;
+         };
+
+      static X509_Code check_sig(const X509_Object&, Public_Key*);
+
+      size_t find_cert(const X509_DN&, const MemoryRegion<byte>&) const;
+      X509_Code check_sig(const Cert_Info&, const Cert_Info&) const;
+      void recompute_revoked_info() const;
+
+      void do_add_certs(DataSource&, bool);
+      X509_Code construct_cert_chain(const X509_Certificate&,
+                                     std::vector<size_t>&, bool = false);
+
+      size_t find_parent_of(const X509_Certificate&);
+      bool is_revoked(const X509_Certificate&) const;
+
+      static const size_t NO_CERT_FOUND = 0xFFFFFFFF;
+      std::vector<Cert_Info> certs;
+      std::vector<CRL_Data> revoked;
+      std::vector<Certificate_Store*> stores;
+      u32bit time_slack, validation_cache_timeout;
+      mutable bool revoked_info_valid;
+   };
+
+}
+
+#endif