1 files changed, 58 insertions, 0 deletions
diff --git a/src/lib/x509/x509_dn_ub.cpp b/src/lib/x509/x509_dn_ub.cpp
new file mode 100644
index 000000000..20c88d97e
--- /dev/null
+++ b/src/lib/x509/x509_dn_ub.cpp
@@ -0,0 +1,58 @@
+/*
+* DN_UB maps: Upper bounds on the length of DN strings
+*
+* This file was automatically generated by ./src/scripts/oids.py on 2017-12-20
+*
+* All manual edits to this file will be lost. Edit the script
+* then regenerate this source file.
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/asn1_oid.h>
+#include <botan/x509_dn_ub.h>
+#include <map>
+#include <stdint.h>
+
+namespace {
+/**
+ * Upper bounds for the length of distinguished name fields as given in RFC 5280, Appendix A.
+ * Only OIDS recognized by botan are considered, so far.
+ * Maps OID string representations instead of human readable strings in order
+ * to avoid an additional lookup.
+ */
+static const std::map<Botan::OID, size_t> DN_UB =
+   {
+   { Botan::OID("2.5.4.10"), 64 }, // X520.Organization
+   { Botan::OID("2.5.4.11"), 64 }, // X520.OrganizationalUnit
+   { Botan::OID("2.5.4.12"), 64 }, // X520.Title
+   { Botan::OID("2.5.4.3"), 64 }, // X520.CommonName
+   { Botan::OID("2.5.4.4"), 40 }, // X520.Surname
+   { Botan::OID("2.5.4.42"), 32768 }, // X520.GivenName
+   { Botan::OID("2.5.4.43"), 32768 }, // X520.Initials
+   { Botan::OID("2.5.4.44"), 32768 }, // X520.GenerationalQualifier
+   { Botan::OID("2.5.4.46"), 64 }, // X520.DNQualifier
+   { Botan::OID("2.5.4.5"), 64 }, // X520.SerialNumber
+   { Botan::OID("2.5.4.6"), 3 }, // X520.Country
+   { Botan::OID("2.5.4.65"), 128 }, // X520.Pseudonym
+   { Botan::OID("2.5.4.7"), 128 }, // X520.Locality
+   { Botan::OID("2.5.4.8"), 128 } // X520.State
+   };
+}
+
+namespace Botan {
+
+size_t lookup_ub(const OID& oid)
+   {
+   auto ub_entry = DN_UB.find(oid);
+   if(ub_entry != DN_UB.end())
+      {
+      return ub_entry->second;
+      }
+   else
+      {
+      return SIZE_MAX;
+      }
+   }
+}
+