Split up ffi.cpp into several files

It was getting pretty big and would get worse over time, eg whenver
I get around to adding TLS support.

1 files changed, 64 insertions, 0 deletions

diff --git a/src/lib/ffi/ffi_mac.cpp b/src/lib/ffi/ffi_mac.cpp
new file mode 100644
index 000000000..b3237592f
--- /dev/null
+++ b/src/lib/ffi/ffi_mac.cpp
@@ -0,0 +1,64 @@
+/*
+* (C) 2015,2017 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/ffi.h>
+#include <botan/internal/ffi_util.h>
+#include <botan/mac.h>
+
+extern "C" {
+
+using namespace Botan_FFI;
+
+BOTAN_FFI_DECLARE_STRUCT(botan_mac_struct, Botan::MessageAuthenticationCode, 0xA06E8FC1);
+
+int botan_mac_init(botan_mac_t* mac, const char* mac_name, uint32_t flags)
+   {
+   return ffi_guard_thunk(BOTAN_CURRENT_FUNCTION, [=]() {
+      if(!mac || !mac_name || flags != 0)
+         return BOTAN_FFI_ERROR_NULL_POINTER;
+
+      std::unique_ptr<Botan::MessageAuthenticationCode> m =
+         Botan::MessageAuthenticationCode::create(mac_name);
+
+      if(m == nullptr)
+         return BOTAN_FFI_ERROR_NOT_IMPLEMENTED;
+
+      *mac = new botan_mac_struct(m.release());
+      return BOTAN_FFI_SUCCESS;
+      });
+   }
+
+int botan_mac_destroy(botan_mac_t mac)
+   {
+   return BOTAN_FFI_CHECKED_DELETE(mac);
+   }
+
+int botan_mac_set_key(botan_mac_t mac, const uint8_t* key, size_t key_len)
+   {
+   return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.set_key(key, key_len); });
+   }
+
+int botan_mac_output_length(botan_mac_t mac, size_t* out)
+   {
+   return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { *out = m.output_length(); });
+   }
+
+int botan_mac_clear(botan_mac_t mac)
+   {
+   return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.clear(); });
+   }
+
+int botan_mac_update(botan_mac_t mac, const uint8_t* buf, size_t len)
+   {
+   return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.update(buf, len); });
+   }
+
+int botan_mac_final(botan_mac_t mac, uint8_t out[])
+   {
+   return BOTAN_FFI_DO(Botan::MessageAuthenticationCode, mac, m, { m.final(out); });
+   }
+
+}