Continue work on cryptobox API

diff --git a/src/lua/lua_cryptobox.c b/src/lua/lua_cryptobox.c
index 0f4c4ea5f91a9e6e99f4bd16ecc93e98ac980606..531890ff18c8182a5a0ecb507957f43aacf29add 100644 (file)
--- a/src/lua/lua_cryptobox.c
+++ b/src/lua/lua_cryptobox.c
@@ -325,6 +325,12 @@ lua_cryptobox_keypair_load (lua_State *L)
        return 1;
 }
 
+/***
+ * function keypair.create(ucl_data)
+ * Loads public key from UCL data
+ * @param {string} ucl_data ucl to load
+ * @return {cryptobox_keypair} new keypair
+ */
 static gint
 lua_cryptobox_keypair_create (lua_State *L)
 {
@@ -381,6 +387,12 @@ lua_cryptobox_keypair_gc (lua_State *L)
        return 0;
 }
 
+/***
+ * function signature.load(file)
+ * Loads signature from raw file
+ * @param {string} file filename to load
+ * @return {cryptobox_signature} new signature
+ */
 static gint
 lua_cryptobox_signature_load (lua_State *L)
 {
@@ -423,6 +435,12 @@ lua_cryptobox_signature_load (lua_State *L)
        return 1;
 }
 
+/***
+ * method signature:save(file)
+ * Stores signature in raw file
+ * @param {string} file filename to use
+ * @return {boolean} true if signature has been saved
+ */
 static gint
 lua_cryptobox_signature_save (lua_State *L)
 {
@@ -523,7 +541,6 @@ lua_cryptobox_verify_memory (lua_State *L)
 
        pk = lua_check_cryptobox_pubkey (L, 1);
        signature = lua_check_cryptobox_sign (L, 2);
-       /* XXX: check signature length */
        data = luaL_checklstring (L, 3, &len);
 
        if (pk != NULL && signature != NULL && data != NULL) {
@@ -538,7 +555,7 @@ lua_cryptobox_verify_memory (lua_State *L)
                }
        }
        else {
-               lua_pushnil (L);
+               luaL_error (L, "invalid arguments");
        }
 
        return 1;
@@ -557,7 +574,39 @@ lua_cryptobox_verify_memory (lua_State *L)
 static gint
 lua_cryptobox_verify_file (lua_State *L)
 {
-       return 0;
+       const gchar *fname;
+       struct rspamd_cryptobox_pubkey *pk;
+       rspamd_fstring_t *signature;
+       guchar *map = NULL;
+       gsize len;
+       gint ret;
+
+       pk = lua_check_cryptobox_pubkey (L, 1);
+       signature = lua_check_cryptobox_sign (L, 2);
+       fname = luaL_checkstring (L, 3);
+
+       map = rspamd_file_xmap (fname, PROT_READ, &len);
+
+       if (map != NULL && pk != NULL && signature != NULL) {
+               ret = rspamd_cryptobox_verify (signature->str, map, len,
+                               rspamd_pubkey_get_pk (pk, NULL), RSPAMD_CRYPTOBOX_MODE_25519);
+
+               if (ret) {
+                       lua_pushboolean (L, 1);
+               }
+               else {
+                       lua_pushboolean (L, 0);
+               }
+       }
+       else {
+               lua_error (L);
+       }
+
+       if (map != NULL) {
+               munmap (map, len);
+       }
+
+       return 1;
 }
 
 /**