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- -- Test zbase32 encoding/decoding
-
- context("Base32 encodning", function()
- local ffi = require("ffi")
- ffi.cdef[[
- void ottery_rand_bytes(void *buf, size_t n);
- unsigned ottery_rand_unsigned(void);
- unsigned char* rspamd_decode_base32 (const char *in, size_t inlen, size_t *outlen, int how);
- char * rspamd_encode_base32 (const unsigned char *in, size_t inlen, int how);
- void g_free(void *ptr);
- int memcmp(const void *a1, const void *a2, size_t len);
- ]]
-
- local function random_buf(max_size)
- local l = ffi.C.ottery_rand_unsigned() % max_size + 1
- local buf = ffi.new("unsigned char[?]", l)
- ffi.C.ottery_rand_bytes(buf, l)
-
- return buf, l
- end
-
- test("Base32 encode test", function()
- local cases = {
- {'test123', 'wm3g84fg13cy'},
- {'hello', 'em3ags7p'}
- }
-
- for _,c in ipairs(cases) do
- local b = ffi.C.rspamd_encode_base32(c[1], #c[1], 0)
- local s = ffi.string(b)
- ffi.C.g_free(b)
- assert_equal(s, c[2], s .. " not equal " .. c[2])
- end
- end)
-
- if os.getenv("RSPAMD_LUA_EXPENSIVE_TESTS") then
- test("Base32 fuzz test: zbase32", function()
- for i = 1,1000 do
- local b, l = random_buf(4096)
- local how = math.floor(math.random(3) - 1)
- local ben = ffi.C.rspamd_encode_base32(b, l, how)
- local bs = ffi.string(ben)
- local nl = ffi.new("size_t [1]")
- local nb = ffi.C.rspamd_decode_base32(bs, #bs, nl, how)
-
- assert_equal(tonumber(nl[0]), l,
- string.format("invalid size reported: %d reported vs %d expected", tonumber(nl[0]), l))
- local cmp = ffi.C.memcmp(b, nb, l)
- ffi.C.g_free(ben)
- ffi.C.g_free(nb)
- assert_equal(cmp, 0, "fuzz test failed for length: " .. tostring(l))
- end
- end)
- end
- end)
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