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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2017-04-09 10:46:38 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2017-04-09 10:46:38 +0100 |
| commit | 61f3e49741fc9fe1e2fed075a704bb0ce5f6b4ba (patch) | |
| tree | 1f1cac19963b4741438c1eecb6735a06cd2c47d7 | |
| parent | 3aa4586c6e23687b263194bf76e151891c3cf24d (diff) | |
| download | rspamd-61f3e49741fc9fe1e2fed075a704bb0ce5f6b4ba.tar.gz rspamd-61f3e49741fc9fe1e2fed075a704bb0ce5f6b4ba.zip | |
[Minor] Add lua routine to validate utf8
| -rw-r--r-- | src/lua/lua_util.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/lua/lua_util.c b/src/lua/lua_util.c index af24558e4..93e668251 100644 --- a/src/lua/lua_util.c +++ b/src/lua/lua_util.c @@ -368,6 +368,13 @@ LUA_FUNCTION_DEF (util, normalize_prob); LUA_FUNCTION_DEF (util, is_utf_spoofed); /*** + * @function util.is_valid_utf8(str) + * Returns true if a string is valid UTF8 string + * @return {boolean} true if a string is spoofed + */ +LUA_FUNCTION_DEF (util, is_valid_utf8); + +/*** * @function util.pack(fmt, ...) * * Backport of Lua 5.3 `string.pack` function: @@ -507,6 +514,7 @@ static const struct luaL_reg utillib_f[] = { LUA_INTERFACE_DEF (util, caseless_hash), LUA_INTERFACE_DEF (util, caseless_hash_fast), LUA_INTERFACE_DEF (util, is_utf_spoofed), + LUA_INTERFACE_DEF (util, is_valid_utf8), LUA_INTERFACE_DEF (util, get_hostname), LUA_INTERFACE_DEF (util, pack), LUA_INTERFACE_DEF (util, unpack), @@ -1973,6 +1981,24 @@ lua_util_get_hostname (lua_State *L) return 1; } +static gint +lua_util_is_valid_utf8 (lua_State *L) +{ + const gchar *str; + gsize len; + + str = lua_tolstring (L, 1, &len); + + if (str) { + lua_pushboolean (L, g_utf8_validate (str, len, NULL)); + } + else { + return luaL_error (L, "invalid arguments"); + } + + return 1; +} + /* Backport from Lua 5.3 */ /****************************************************************************** |