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#include <sys/stat.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <dirent.h>
#include <stdio.h>
#include "buffer.h"
#include "server.h"
#include "log.h"
#include "plugin.h"
#include "response.h"
#include "mod_cml.h"
#include "mod_cml_funcs.h"
#ifdef USE_OPENSSL
# include <openssl/md5.h>
#else
# include "md5.h"
#endif
#define HASHLEN 16
typedef unsigned char HASH[HASHLEN];
#define HASHHEXLEN 32
typedef char HASHHEX[HASHHEXLEN+1];
#ifdef USE_OPENSSL
#define IN const
#else
#define IN
#endif
#define OUT
#ifdef HAVE_LUA_H
int f_crypto_md5(lua_State *L) {
MD5_CTX Md5Ctx;
HASH HA1;
buffer b;
char hex[33];
int n = lua_gettop(L);
b.ptr = hex;
b.used = 0;
b.size = sizeof(hex);
if (n != 1) {
lua_pushstring(L, "md5: expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "md5: argument has to be a string");
lua_error(L);
}
MD5_Init(&Md5Ctx);
MD5_Update(&Md5Ctx, (unsigned char *)lua_tostring(L, 1), lua_strlen(L, 1));
MD5_Final(HA1, &Md5Ctx);
buffer_copy_string_hex(&b, (char *)HA1, 16);
lua_pushstring(L, b.ptr);
return 1;
}
int f_file_mtime(lua_State *L) {
struct stat st;
int n = lua_gettop(L);
if (n != 1) {
lua_pushstring(L, "file_mtime: expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "file_mtime: argument has to be a string");
lua_error(L);
}
if (-1 == stat(lua_tostring(L, 1), &st)) {
lua_pushnil(L);
return 1;
}
lua_pushnumber(L, st.st_mtime);
return 1;
}
int f_dir_files_iter(lua_State *L) {
DIR *d;
struct dirent *de;
d = lua_touserdata(L, lua_upvalueindex(1));
if (NULL == (de = readdir(d))) {
/* EOF */
closedir(d);
return 0;
} else {
lua_pushstring(L, de->d_name);
return 1;
}
}
int f_dir_files(lua_State *L) {
DIR *d;
int n = lua_gettop(L);
if (n != 1) {
lua_pushstring(L, "dir_files: expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "dir_files: argument has to be a string");
lua_error(L);
}
/* check if there is a valid DIR handle on the stack */
if (NULL == (d = opendir(lua_tostring(L, 1)))) {
lua_pushnil(L);
return 1;
}
/* push d into registry */
lua_pushlightuserdata(L, d);
lua_pushcclosure(L, f_dir_files_iter, 1);
return 1;
}
int f_file_isreg(lua_State *L) {
struct stat st;
int n = lua_gettop(L);
if (n != 1) {
lua_pushstring(L, "file_isreg: expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "file_isreg: argument has to be a string");
lua_error(L);
}
if (-1 == stat(lua_tostring(L, 1), &st)) {
lua_pushnil(L);
return 1;
}
lua_pushnumber(L, S_ISREG(st.st_mode));
return 1;
}
int f_file_isdir(lua_State *L) {
struct stat st;
int n = lua_gettop(L);
if (n != 1) {
lua_pushstring(L, "file_isreg: expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "file_isreg: argument has to be a string");
lua_error(L);
}
if (-1 == stat(lua_tostring(L, 1), &st)) {
lua_pushnil(L);
return 1;
}
lua_pushnumber(L, S_ISDIR(st.st_mode));
return 1;
}
#ifdef HAVE_MEMCACHE_H
int f_memcache_exists(lua_State *L) {
char *r;
int n = lua_gettop(L);
struct memcache *mc;
if (!lua_islightuserdata(L, lua_upvalueindex(1))) {
lua_pushstring(L, "where is my userdata ?");
lua_error(L);
}
mc = lua_touserdata(L, lua_upvalueindex(1));
if (n != 1) {
lua_pushstring(L, "expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "argument has to be a string");
lua_error(L);
}
if (NULL == (r = mc_aget(mc,
lua_tostring(L, 1), lua_strlen(L, 1)))) {
lua_pushboolean(L, 0);
return 1;
}
free(r);
lua_pushboolean(L, 1);
return 1;
}
int f_memcache_get_string(lua_State *L) {
char *r;
int n = lua_gettop(L);
struct memcache *mc;
if (!lua_islightuserdata(L, lua_upvalueindex(1))) {
lua_pushstring(L, "where is my userdata ?");
lua_error(L);
}
mc = lua_touserdata(L, lua_upvalueindex(1));
if (n != 1) {
lua_pushstring(L, "expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "argument has to be a string");
lua_error(L);
}
if (NULL == (r = mc_aget(mc,
lua_tostring(L, 1), lua_strlen(L, 1)))) {
lua_pushnil(L);
return 1;
}
lua_pushstring(L, r);
free(r);
return 1;
}
int f_memcache_get_long(lua_State *L) {
char *r;
int n = lua_gettop(L);
struct memcache *mc;
if (!lua_islightuserdata(L, lua_upvalueindex(1))) {
lua_pushstring(L, "where is my userdata ?");
lua_error(L);
}
mc = lua_touserdata(L, lua_upvalueindex(1));
if (n != 1) {
lua_pushstring(L, "expected one argument");
lua_error(L);
}
if (!lua_isstring(L, 1)) {
lua_pushstring(L, "argument has to be a string");
lua_error(L);
}
if (NULL == (r = mc_aget(mc,
lua_tostring(L, 1), lua_strlen(L, 1)))) {
lua_pushnil(L);
return 1;
}
lua_pushnumber(L, strtol(r, NULL, 10));
free(r);
return 1;
}
#endif
#endif
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