1 files changed, 60 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/x509/x509_dn_ub.cpp b/comm/third_party/botan/src/lib/x509/x509_dn_ub.cpp
new file mode 100644
index 0000000000..b5c7645a13
--- /dev/null
+++ b/comm/third_party/botan/src/lib/x509/x509_dn_ub.cpp
@@ -0,0 +1,60 @@
+/*
+* DN_UB maps: Upper bounds on the length of DN strings
+*
+* This file was automatically generated by ./src/scripts/oids.py on 2019-10-21
+*
+* 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/pkix_types.h>
+#include <botan/asn1_obj.h>
+#include <map>
+
+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
+   { Botan::OID({2,5,4,9}), 128 } // X520.StreetAddress
+   };
+}
+
+namespace Botan {
+
+//static
+size_t X509_DN::lookup_ub(const OID& oid)
+   {
+   auto ub_entry = DN_UB.find(oid);
+   if(ub_entry != DN_UB.end())
+      {
+      return ub_entry->second;
+      }
+   else
+      {
+      return 0;
+      }
+   }
+}
+