local ffi = require "ffi"
local ffi_new = ffi.new
local ffi_load = ffi.load
local ffi_cdef = ffi.cdef
local OTP_SUCCESS = 0x00000000;
local OTP_ERR_INVALID_PARAMETER = 0x00000001;
local OTP_ERR_CHECK_PWD = 0x00000002;
local OTP_ERR_SYN_PWD = 0x00000003;
local OTP_ERR_REPLAY = 0x00000004;
ffi_cdef[[
typedef uint64_t authnum_t;
int ET_CheckPwdz201(char *authkey, uint64_t t, uint64_t t0,
unsigned int x, int drift, int authwnd, uint64_t lastsucc,
const char *otp, int otplen, uint64_t *currsucc, int *currdft);
int ET_Syncz201(char *authkey, uint64_t t, uint64_t t0,
unsigned int x, int drift, int syncwnd, uint64_t lastsucc,
const char *otp1, int otp1len, const char *otp2, int otp2len,
uint64_t *currsucc, int *currdft);
]]
local lib = ffi_load "libetotpverify"
local z210 = {}
local mt = {}
function z210.index()
return "z210 validate"
end
--验证接口
function z210.validate( authkey, ntime,drift,lastsucc,otp)
local currsucc = ffi.new("uint64_t[1] ",{0})
local currdft = ffi.new("int[1]", {1})
if OTP_SUCCESS == lib.ET_CheckPwdz201( ffi.cast("char *", authkey),ntime,0,60,drift,20,lastsucc,ffi.cast("const char *", otp),#otp, currsucc,currdft) then
return true ,tonumber(currsucc[0]),tonumber(currdft[0])
else
return false
end
end
--同步接口
function z210.sync( authkey, ntime,drift,lastsucc,otp1,otp2)
local currsucc = ffi.new("uint64_t[1] ",{0})
local currdft = ffi.new("int[1]", {1})
if OTP_SUCCESS == lib.ET_Syncz201( ffi.cast("char *", authkey),ntime,0,60,drift,40,lastsucc,ffi.cast("const char *", otp1),#otp1,ffi.cast("const char *", otp2),#otp2, currsucc,currdft) then
return true ,tonumber(currsucc[0]),tonumber(currdft[0])
else
return false
end
end
mt.__call = z210.index
return setmetatable(z210, mt)
在 2016年5月24日星期二 UTC+8下午1:12:19，Jingke Wu写道：
用ffi做linux库链接 指针参数没有返回值，附源码：local ffi = require "ffi"
local ffi_new = ffi.new
local ffi_str = ffi.string
local ffi_load = ffi.load
local ffi_cdef = ffi.cdef
local ffi_copy = ffi.copy
local os = ffi.os
local OTP_SUCCESS = 0x00000000;
local OTP_ERR_INVALID_PARAMETER = 0x00000001;
local OTP_ERR_CHECK_PWD = 0x00000002;
local OTP_ERR_SYN_PWD = 0x00000003;
local OTP_ERR_REPLAY = 0x00000004;
ffi_cdef[[
typedef uint64_t authnum_t;
int ET_CheckPwdz201(char *authkey, uint64_t t, uint64_t t0,
unsigned int x, int drift, int authwnd, uint64_t lastsucc,
const char *otp, int otplen, uint64_t *currsucc, int *currdft);
int ET_Syncz201(char *authkey, uint64_t t, uint64_t t0,
unsigned int x, int drift, int syncwnd, uint64_t lastsucc,
const char *otp1, int otp1len, const char *otp2, int otp2len,
uint64_t *currsucc, int *currdft);
]]
local lib = ffi_load "libetotpverify"
local z210 = {}
local mt = {}
function z210.index()
return "z210 validate"
end
function z210.validate( authkey, ntime,drift,lastsucc,otp)
local key = ffi.new("char[51]")
local currsucc=ffi.new("uint64_t[10]");
local currdft=ffi.new("int[8]");
ffi_copy(key,authkey)
if OTP_SUCCESS == lib.ET_CheckPwdz201(key,ntime,0,60,drift,20,lastsucc,otp,#otp,currsucc,currdft) then
return ffi.string(currsucc,8),tonumber(currdft)
else
return false;
end
end
mt.__call = z210.index
return setmetatable(z210, mt)
ET_CheckPwdz201 的currsucc 和currdft 不知道怎么定义参数
原谅我不会C吧，php出生 求各位大神指点
