#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L || defined(_GNU_SOURCE)
int lc_fallocate(lua_State* L)
{
+ int ret;
off_t offset, len;
FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE);
if (f == NULL)
len = luaL_checkinteger(L, 3);
#if defined(__linux__) && defined(_GNU_SOURCE)
- if(fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len) == 0)
+ errno = 0;
+ ret = fallocate(fileno(f), FALLOC_FL_KEEP_SIZE, offset, len);
+ if(ret == 0)
{
lua_pushboolean(L, 1);
return 1;
}
+ /* Some old versions of Linux apparently use the return value instead of errno */
+ if(errno == 0) errno = ret;
if(errno != ENOSYS && errno != EOPNOTSUPP)
{
#warning Note that posix_fallocate() will still be used on filesystems that dont support fallocate()
#endif
- if(posix_fallocate(fileno(f), offset, len) == 0)
+ ret = posix_fallocate(fileno(f), offset, len);
+ if(ret == 0)
{
lua_pushboolean(L, 1);
return 1;
else
{
lua_pushnil(L);
- lua_pushstring(L, strerror(errno));
+ lua_pushstring(L, strerror(ret));
/* posix_fallocate() can leave a bunch of NULs at the end, so we cut that
* this assumes that offset == length of the file */
ftruncate(fileno(f), offset);
local nameprep = require "util.encodings".stringprep.nameprep;
local idna_to_ascii = require "util.encodings".idna.to_ascii;
+local base64 = require "util.encodings".base64;
local log = require "util.logger".init("x509");
-local pairs, ipairs = pairs, ipairs;
local s_format = string.format;
-local t_insert = table.insert;
-local t_concat = table.concat;
module "x509"
return false
end
+local pat = "%-%-%-%-%-BEGIN ([A-Z ]+)%-%-%-%-%-\r?\n"..
+"([0-9A-Za-z+/=\r\n]*)\r?\n%-%-%-%-%-END %1%-%-%-%-%-";
+
+function pem2der(pem)
+ local typ, data = pem:match(pat);
+ if typ and data then
+ return base64.decode(data), typ;
+ end
+end
+
+local wrap = ('.'):rep(64);
+local envelope = "-----BEGIN %s-----\n%s\n-----END %s-----\n"
+
+function der2pem(data, typ)
+ typ = typ and typ:upper() or "CERTIFICATE";
+ data = base64.encode(data);
+ return s_format(envelope, typ, data:gsub(wrap, '%0\n', (#data-1)/64), typ);
+end
+
return _M;