portal-ng pods run under root user

- switch base image from openresty to nginx-unprivileged
- remove custom lua plugin code
- dynamically determine dns resolver ip during container startup

Issue-ID: PORTALNG-67
Change-Id: I23fb5e684dbb98a326afb00911a1f5ae78e2536d
Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>

1 files changed, 0 insertions, 90 deletions

diff --git a/server/resty/openssl/hmac.lua b/server/resty/openssl/hmac.lua
deleted file mode 100644
index fe18d2f..0000000
--- a/server/resty/openssl/hmac.lua
+++ /dev/null
@@ -1,90 +0,0 @@
-local ffi = require "ffi"
-local C = ffi.C
-local ffi_gc = ffi.gc
-local ffi_str = ffi.string
-
-require "resty.openssl.include.hmac"
-require "resty.openssl.include.evp.md"
-local ctypes = require "resty.openssl.auxiliary.ctypes"
-local format_error = require("resty.openssl.err").format_error
-local OPENSSL_10 = require("resty.openssl.version").OPENSSL_10
-local OPENSSL_11_OR_LATER = require("resty.openssl.version").OPENSSL_11_OR_LATER
-local OPENSSL_3X = require("resty.openssl.version").OPENSSL_3X
-
-local _M = {}
-local mt = {__index = _M}
-
-local hmac_ctx_ptr_ct = ffi.typeof('HMAC_CTX*')
-
--- Note: https://www.openssl.org/docs/manmaster/man3/HMAC_Init.html
--- Replace with EVP_MAC_* functions for OpenSSL 3.0
-
-function _M.new(key, typ)
-  local ctx
-  if OPENSSL_11_OR_LATER then
-    ctx = C.HMAC_CTX_new()
-    ffi_gc(ctx, C.HMAC_CTX_free)
-  elseif OPENSSL_10 then
-    ctx = ffi.new('HMAC_CTX')
-    C.HMAC_CTX_init(ctx)
-    ffi_gc(ctx, C.HMAC_CTX_cleanup)
-  end
-  if ctx == nil then
-    return nil, "hmac.new: failed to create HMAC_CTX"
-  end
-
-  local algo = C.EVP_get_digestbyname(typ or 'sha1')
-  if algo == nil then
-    return nil, string.format("hmac.new: invalid digest type \"%s\"", typ)
-  end
-
-  local code = C.HMAC_Init_ex(ctx, key, #key, algo, nil)
-  if code ~= 1 then
-    return nil, format_error("hmac.new")
-  end
-
-  return setmetatable({
-    ctx = ctx,
-    algo = algo,
-    buf = ctypes.uchar_array(OPENSSL_3X and C.EVP_MD_get_size(algo) or C.EVP_MD_size(algo)),
-  }, mt), nil
-end
-
-function _M.istype(l)
-  return l and l.ctx and ffi.istype(hmac_ctx_ptr_ct, l.ctx)
-end
-
-function _M:update(...)
-  for _, s in ipairs({...}) do
-    if C.HMAC_Update(self.ctx, s, #s) ~= 1 then
-      return false, format_error("hmac:update")
-    end
-  end
-  return true, nil
-end
-
-local result_length = ctypes.ptr_of_uint()
-
-function _M:final(s)
-  if s then
-    if C.HMAC_Update(self.ctx, s, #s) ~= 1 then
-      return false, format_error("hmac:final")
-    end
-  end
-
-  if C.HMAC_Final(self.ctx, self.buf, result_length) ~= 1 then
-    return nil, format_error("hmac:final: HMAC_Final")
-  end
-  return ffi_str(self.buf, result_length[0])
-end
-
-function _M:reset()
-  local code = C.HMAC_Init_ex(self.ctx, nil, 0, nil, nil)
-  if code ~= 1 then
-    return false, format_error("hmac:reset")
-  end
-
-  return true
-end
-
-return _M