Add support (decoding only) for the CRL Distribution Point extension.

2 files changed, 19 insertions, 2 deletions

diff --git a/src/utils/datastor/datastor.cpp b/src/utils/datastor/datastor.cpp
index d32c4787e..7563e9309 100644
--- a/src/utils/datastor/datastor.cpp
+++ b/src/utils/datastor/datastor.cpp
@@ -64,13 +64,27 @@ std::string Data_Store::get1(const std::string& key) const
    std::vector<std::string> vals = get(key);
 
    if(vals.empty())
-      throw Invalid_State("Data_Store::get1: Not values for " + key);
+      throw Invalid_State("Data_Store::get1: No values set for " + key);
    if(vals.size() > 1)
       throw Invalid_State("Data_Store::get1: More than one value for " + key);
 
    return vals[0];
    }
 
+std::string Data_Store::get1(const std::string& key,
+                             const std::string& default_value) const
+   {
+   std::vector<std::string> vals = get(key);
+
+   if(vals.size() > 1)
+      throw Invalid_State("Data_Store::get1: More than one value for " + key);
+
+   if(vals.empty())
+      return default_value;
+
+   return vals[0];
+   }
+
 /*
 * Get a single std::vector atom
 */
diff --git a/src/utils/datastor/datastor.h b/src/utils/datastor/datastor.h
index b471f85e1..1c0504fc9 100644
--- a/src/utils/datastor/datastor.h
+++ b/src/utils/datastor/datastor.h
@@ -33,7 +33,10 @@ class BOTAN_DLL Data_Store
 
       std::vector<std::string> get(const std::string&) const;
 
-      std::string get1(const std::string&) const;
+      std::string get1(const std::string& key) const;
+
+      std::string get1(const std::string& key,
+                       const std::string& default_value) const;
 
       std::vector<byte> get1_memvec(const std::string&) const;
       u32bit get1_u32bit(const std::string&, u32bit = 0) const;