1 files changed, 74 insertions, 0 deletions
diff --git a/server/resty/openssl/objects.lua b/server/resty/openssl/objects.lua
new file mode 100644
index 0000000..bd02a38
--- /dev/null
+++ b/server/resty/openssl/objects.lua
@@ -0,0 +1,74 @@
+local ffi = require "ffi"
+local C = ffi.C
+local ffi_str = ffi.string
+local ffi_sizeof = ffi.sizeof
+
+require "resty.openssl.include.objects"
+require "resty.openssl.include.err"
+
+local buf = ffi.new('char[?]', 100)
+
+local function obj2table(obj)
+  local nid = C.OBJ_obj2nid(obj)
+
+  local len = C.OBJ_obj2txt(buf, ffi_sizeof(buf), obj, 1)
+  local oid = ffi_str(buf, len)
+
+  return {
+    id = oid,
+    nid = nid,
+    sn = ffi_str(C.OBJ_nid2sn(nid)),
+    ln = ffi_str(C.OBJ_nid2ln(nid)),
+  }
+end
+
+local function nid2table(nid)
+  return obj2table(C.OBJ_nid2obj(nid))
+end
+
+local function txt2nid(txt)
+  if type(txt) ~= "string" then
+    return nil, "objects.txt2nid: expect a string at #1"
+  end
+  local nid = C.OBJ_txt2nid(txt)
+  if nid == 0 then
+    -- clean up error occurs during OBJ_txt2nid
+    C.ERR_clear_error()
+    return nil, "objects.txt2nid: invalid NID text " .. txt
+  end
+  return nid
+end
+
+local function txtnid2nid(txt_nid)
+  local nid
+  if type(txt_nid) == "string" then
+    nid = C.OBJ_txt2nid(txt_nid)
+    if nid == 0 then
+      -- clean up error occurs during OBJ_txt2nid
+      C.ERR_clear_error()
+      return nil, "objects.txtnid2nid: invalid NID text " .. txt_nid
+    end
+  elseif type(txt_nid) == "number" then
+    nid = txt_nid
+  else
+    return nil, "objects.txtnid2nid: expect string or number at #1"
+  end
+  return nid
+end
+
+local function find_sigid_algs(nid)
+  local out = ffi.new("int[0]")
+  if C.OBJ_find_sigid_algs(nid, out, nil) == 0 then
+    return 0, "objects.find_sigid_algs: invalid sigid " .. nid
+  end
+  return tonumber(out[0])
+end
+
+return {
+  obj2table = obj2table,
+  nid2table = nid2table,
+  txt2nid = txt2nid,
+  txtnid2nid = txtnid2nid,
+  find_sigid_algs = find_sigid_algs,
+  create = C.OBJ_create,
+}
+\ No newline at end of file