diff --git a/lib/api/auth b/lib/api/auth
deleted file mode 100755
index 5098831..0000000
--- a/lib/api/auth
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/php
-
-<?php
-
-	// will return "token" with is the cyclic hash
-	// and optionnally "renew" if the secret has changed
-
-?>
diff --git a/lib/api/request b/lib/api/request
new file mode 100755
index 0000000..1fc33c7
--- /dev/null
+++ b/lib/api/request
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+php $(realpath $(dirname $0))/source/request.php;
diff --git a/lib/api/send b/lib/api/send
deleted file mode 100755
index e24449c..0000000
--- a/lib/api/send
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/php
-
-<?php
-
-	require_once __DIR__.'/../include/const';
-
-	// will send the request using `auth` for cyclic hash
-	
-	function api_send(){
-
-		/* [1] Fetch useful data
-		=========================================================*/
-		/* (1) Fetch target url */
-		$url = @file_get_contents(URL_CONF);
-
-		if( $url === false )
-			return 127;
-
-		/* (2) Fetch cyclic hash */
-		$hash = syscall(SOURCE_DIR.'/lib/cyclic-hash/hash');
-
-		var_dump($hash);
-		if( strlen($hash) != 128 )
-			return 127;
-
-		/* (3) Try new hash if available */
-		$new = syscall(SOURCE_DIR.'/lib/cyclic-hash/new');
-		
-		var_dump('new'); var_dump($new);
-		
-
-		/* (4) Decrement the hash */
-		var_dump( 'decr: ',syscall(SOURCE_DIR.'/lib/cyclic-hash/decr') );
-
-		
-
-		/* [1] Create httpRequest basis
-		=========================================================*/
-		/* (1) Set URL */
-		$curl = curl_init($url);
-
-		/* (2) Set HTTP method -> POST */
-		curl_setopt($curl, CURLOPT_POST, true);
-
-		/* (3) Set headers */
-		curl_setopt($curl, CURLOPT_HTTPHEADER, [
-			'Content-Type: multipart/form-data; boundary='
-		]);
-		
-	}
-
-	echo api_send();
-	
-	
-
-?>
diff --git a/lib/api/source/request.php b/lib/api/source/request.php
new file mode 100755
index 0000000..c006473
--- /dev/null
+++ b/lib/api/source/request.php
@@ -0,0 +1,109 @@
+<?php
+
+	require_once __DIR__.'/../../include/const';
+
+	function api_request(){
+
+		/* [1] Fetch & generate useful data
+		=========================================================*/
+		/* (1) Fetch target url */
+		$url = @file_get_contents(URL_CONF);
+
+		if( $url === false )
+			return 127;
+
+		/* (2) Fetch cyclic hash */
+		$hash = syscall(SOURCE_DIR.'/lib/cyclic-hash/hash');
+
+		if( strlen($hash) != 128 )
+			return 127;
+
+		/* (3) Try new hash if available */
+		$new = syscall(SOURCE_DIR.'/lib/cyclic-hash/new');
+		
+		if( $new === false )
+			return 127;
+
+		/* (4) Decrement the hash */
+		$decr = syscall(SOURCE_DIR.'/lib/cyclic-hash/decr');
+
+		if( $decr === false )
+			return 127;
+
+		/* (5) Generate the multipart boundary */
+		$boundary = 'boundary--'.hash('sha512', uniqid()).'--boundary';
+
+		/* (6) Fetch data */
+		$data = json_decode(syscall(SOURCE_DIR.'/lib/api/fetchdata'));
+
+		if( is_null($data) )
+			$data = "{}";
+		
+
+		
+
+		/* [2] Create httpRequest basis
+		=========================================================*/
+		/* (1) Set URL */
+		$curl = curl_init($url);
+
+		/* (2) Set HTTP method -> POST */
+		curl_setopt($curl, CURLOPT_POST, true);
+
+
+
+		/* [3] Manage post data
+		=========================================================*/
+		/* (1) Set post data */
+		$postarray = [
+			'token' => $hash,
+			'data'  => $data
+		];
+
+		/* (2) Add renew if renew */
+		if( strlen($new) == 128 )
+			$postarray['renew'] = $new;
+
+		/* (3) Parse postfiels to multipart format */
+		$postraw = "--$boundary";
+
+		foreach($postarray as $postkey=>$postvalue)
+			$postraw .= "\r\ncontent-disposition: form-data; name=\"$postkey\"\r\n\r\n$postvalue\r\n--$boundary";
+
+		$postraw .= "--";
+		
+
+		/* (4) Set postdata raw to curl */
+		curl_setopt($curl, CURLOPT_POSTFIELDS, $postraw);
+
+
+
+		/* [4] Manage headers
+		=========================================================*/
+		curl_setopt($curl, CURLOPT_HTTPHEADER, [
+			"Content-Type: multipart/form-data; boundary=$boundary",
+			"Content-Length: ".strlen($postraw)
+		]);
+
+
+		/* [5] Send and catch request response
+		=========================================================*/
+		/* (1) Send and catch response */
+		$response = curl_exec($curl);
+
+		/* (2) Close request */
+		curl_close($curl);
+		
+		/* (3) Return response as result */
+		if( $response === false )
+			return 127;
+
+		return $response;
+		
+	}
+
+	echo api_request();
+	
+	
+
+?>
diff --git a/lib/api/source/sync.php b/lib/api/source/sync.php
new file mode 100755
index 0000000..8ac3bda
--- /dev/null
+++ b/lib/api/source/sync.php
@@ -0,0 +1,106 @@
+<?php
+
+	require_once __DIR__.'/../../include/const';
+
+	function api_sync(){
+
+		/* [1] Fetch & generate useful data
+		=========================================================*/
+		/* (1) Fetch target url */
+		$url = @file_get_contents(URL_CONF);
+
+		if( $url === false )
+			return 127;
+
+		/* (2) Fetch cyclic hash */
+		$hash = syscall(SOURCE_DIR.'/lib/cyclic-hash/hash');
+
+		if( strlen($hash) != 128 )
+			return 127;
+
+		/* (3) Try new hash if available */
+		$new = syscall(SOURCE_DIR.'/lib/cyclic-hash/new');
+		
+		if( $new === false )
+			return 127;
+
+		/* (4) Decrement the hash */
+		$decr = syscall(SOURCE_DIR.'/lib/cyclic-hash/decr');
+
+		if( $decr === false )
+			return 127;
+
+		/* (5) Generate the multipart boundary */
+		$boundary = 'boundary--'.hash('sha512', uniqid()).'--boundary';
+
+		/* (6) Fetch data */
+		$data = json_decode(syscall(SOURCE_DIR.'/lib/api/fetchdata'));
+
+		if( is_null($data) )
+			$data = "{}";
+		
+
+		
+
+		/* [2] Create httpRequest basis
+		=========================================================*/
+		/* (1) Set URL */
+		$curl = curl_init($url);
+
+		/* (2) Set HTTP method -> POST */
+		curl_setopt($curl, CURLOPT_POST, true);
+
+
+
+		/* [3] Manage post data
+		=========================================================*/
+		/* (1) Set post data */
+		$postarray = [
+			'token' => $hash,
+			'data'  => $data
+		];
+
+		/* (2) Add renew if renew */
+		if( strlen($new) == 128 )
+			$postarray['renew'] = $new;
+
+		/* (3) Parse postfiels to multipart format */
+		$postraw = "--$boundary";
+
+		foreach($postarray as $postkey=>$postvalue)
+			$postraw .= "\r\ncontent-disposition: form-data; name=\"$postkey\"\r\n\r\n$postvalue\r\n--$boundary";
+
+		$postraw .= "--";
+		
+
+		/* (4) Set postdata raw to curl */
+		curl_setopt($curl, CURLOPT_POSTFIELDS, $postraw);
+
+
+
+		/* [4] Manage headers
+		=========================================================*/
+		curl_setopt($curl, CURLOPT_HTTPHEADER, [
+			"Content-Type: multipart/form-data; boundary=$boundary",
+			"Content-Length: ".strlen($postraw)
+		]);
+
+
+		/* [5] Send and catch request response
+		=========================================================*/
+		/* (1) Send and catch response */
+		$response = curl_exec($curl);
+
+		/* (2) Close request */
+		curl_close($curl);
+		
+		/* (3) Return response as result */
+		return $response;
+		
+	}
+
+	echo api_sync();
+	
+	
+
+?>
diff --git a/lib/api/sync b/lib/api/sync
new file mode 100755
index 0000000..080f13e
--- /dev/null
+++ b/lib/api/sync
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+php $(realpath $(dirname $0))/source/sync.php;
diff --git a/lib/cyclic-hash/decr b/lib/cyclic-hash/decr
index bbf384f..2a78700 100755
--- a/lib/cyclic-hash/decr
+++ b/lib/cyclic-hash/decr
@@ -1,92 +1,3 @@
-#!/usr/bin/php
+#!/bin/sh
 
-<?php
-	
-	require_once __DIR__.'/../include/const';
-
-
-	/* [1] Function that generates a random secret
-	=========================================================*/
-	function generate_secret(){
-
-		/* (1) Generate random set */
-		$charlist = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_';
-
-		/* (2) Set useful variables */
-		$clen = strlen($charlist);
-		$secret = '';
-
-		/* (3) Generate random characters one by one */
-		for( $i = 0 ; $i < SECRET_SIZE ; $i++ )
-			$secret .= $charlist[rand(0, $clen - 1)];
-
-		/* (4) Return the secret */
-		return $secret;
-	}
-
-
-
-	function cyclichash_decr(){
-
-		/* [2] Fetch necessary data
-		=========================================================*/
-
-		/* (1) Fetch secret file */
-		$secret = @file_get_contents(SECRET_CONF);
-		
-		/* (2) Check secret file format */
-		if( !is_string($secret) || !preg_match("/^(.{250}):(\d+)$/", $secret, $match) ){
-
-			// Generate new secret
-			$secret = generate_secret().':1000';
-
-			// Try to override the secret file
-			if( @file_put_contents(SECRET_CONF, $secret) )
-				return 0;
-			else
-				return 127;
-		}
-
-		/* (3) Extract data */
-		$key   = (string) $match[1];
-		$depth = (int)    $match[2];
-
-
-		/* [3] If can decrement, decrement
-		=========================================================*/
-		if( $depth > 1 ){
-
-			/* (1) Decrement the depth */
-			$depth--;
-
-			/* (2) Try to override the secret file */
-			if( @file_put_contents(SECRET_CONF, "$key:$depth") )
-				return 0;
-			else
-				return 127;
-
-
-		/* [4] If cannot decrement, generate new password
-		=========================================================*/
-		}else{
-			
-			// Generate new secret
-			$secret = generate_secret().':999';
-
-			// Try to override the secret file
-			if( @file_put_contents(SECRET_CONF, $secret) )
-				return 0;
-			else
-				return 127;
-
-		}
-
-		return 0;
-
-
-	}
-
-	echo cyclichash_decr();
-
-
-?>
+php $(realpath $(dirname $0))/source/decr.php;
diff --git a/lib/cyclic-hash/hash b/lib/cyclic-hash/hash
index a719f70..ffe1d47 100755
--- a/lib/cyclic-hash/hash
+++ b/lib/cyclic-hash/hash
@@ -1,40 +1,3 @@
-#!/usr/bin/php
-
-<?php
-
-	require_once __DIR__.'/../include/const';
-
-
-	function cyclichash_hash(){
-
-		/* [1] Fetch necessary data
-		=========================================================*/
-		/* (1) Fetch secret file */
-		$secret = @file_get_contents(SECRET_CONF);
-		
-		/* (2) Check secret file format */
-		if( !is_string($secret) || !preg_match("/^(.{".SECRET_SIZE."}):(\d+)$/", $secret, $match) )	
-			return 127;
-
-		/* (3) Extract data for hashing from @secret */
-		$key   = (string) $match[1];
-		$depth = (int)    $match[2];
-
-
-		/* [2] Hash data
-		=========================================================*/
-		/* (1) Initialize with data */
-		$hash = $key;
-
-		/* (2) Hash @depth times */
-		for( $d = 0 ; $d < $depth ; $d++ )
-			$hash = hash('sha512', $hash);
-
-		return $hash;
-
-	}
-
-
-	echo cyclichash_hash();
-?>
+#!/bin/sh
 
+php $(realpath $(dirname $0))/source/hash.php;
diff --git a/lib/cyclic-hash/new b/lib/cyclic-hash/new
index 8c136ad..4e2befe 100755
--- a/lib/cyclic-hash/new
+++ b/lib/cyclic-hash/new
@@ -1,43 +1,3 @@
-#!/usr/bin/php
+#!/bin/sh
 
-<?php
-
-	require_once __DIR__.'/../include/const';
-
-
-	function cyclichash_new(){
-
-		/* [1] Fetch necessary data
-		=========================================================*/
-		/* (1) Fetch secret file */
-		$secret = @file_get_contents(SECRET_CONF);
-		
-		/* (2) Check secret file format */
-		if( !is_string($secret) || !preg_match("/^(.{".SECRET_SIZE."}):(\d+)$/", $secret, $match) )	
-			return 127;
-
-		/* (3) Extract data for hashing from @secret */
-		$key   = (string) $match[1];
-		$depth = (int)    $match[2];
-
-
-		/* (4) Die if not token not changed */
-		if( $depth < 999 )
-			return 0;
-		
-
-		/* [2] If hash have just been created (original depth = 1000)
-		=========================================================*/
-		/* (1) Return new hash */
-		$newhash = $key;
-
-		/* (2) Hash @depth times = 1000 */
-		for( $d = 0 ; $d < 1000 ; $d++ )
-			$newhash = hash('sha512', $newhash);
-
-		return $newhash;
-
-	}
-
-	echo cyclichash_new();
-?>
+php $(realpath $(dirname $0))/source/new.php;
diff --git a/lib/cyclic-hash/source/decr.php b/lib/cyclic-hash/source/decr.php
new file mode 100755
index 0000000..1d7f1e8
--- /dev/null
+++ b/lib/cyclic-hash/source/decr.php
@@ -0,0 +1,99 @@
+<?php
+	
+	require_once __DIR__.'/../../include/const';
+
+
+	/* [1] Function that generates a random secret
+	=========================================================*/
+	function generate_secret(){
+
+		/* (1) Generate random set */
+		$charlist = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_';
+
+		/* (2) Set useful variables */
+		$clen = strlen($charlist);
+		$secret = '';
+
+		/* (3) Generate random characters one by one */
+		for( $i = 0 ; $i < SECRET_SIZE ; $i++ )
+			$secret .= $charlist[rand(0, $clen - 1)];
+
+		/* (4) Return the secret */
+		return $secret;
+	}
+
+
+
+	function cyclichash_decr(){
+
+		/* [2] Fetch necessary data
+		=========================================================*/
+
+		/* (1) Fetch secret file */
+		$secret = @file_get_contents(SECRET_CONF);
+		
+		/* (2) Check secret file format */
+		if( !is_string($secret) || !preg_match("/^(.{250}):(\d+)$/", $secret, $match) ){
+
+			// Generate new secret
+			$secret = generate_secret().':999';
+
+			// Try to override the secret file
+			if( @file_put_contents(SECRET_CONF, $secret) ){
+				slog("Random secret generated successfully", 'cyclic-hash:decr');
+				return 0;
+			}else{
+				slog("Error while generating new random secret", 'cyclic-hash:decr');
+				return 127;
+			}
+		}
+
+		/* (3) Extract data */
+		$key   = (string) $match[1];
+		$depth = (int)    $match[2];
+
+
+		/* [3] If can decrement, decrement
+		=========================================================*/
+		if( $depth > 1 ){
+
+			/* (1) Decrement the depth */
+			$depth--;
+
+			/* (2) Try to override the secret file */
+			if( @file_put_contents(SECRET_CONF, "$key:$depth") ){
+				slog("Secret depth decremented to $depth", 'cyclic-hash:decr');
+				return 0;
+			}else{
+				slog("Error while decrementing secret depth", 'cyclic-hash:decr');
+				return 127;
+			}
+
+
+		/* [4] If cannot decrement, generate new password
+		=========================================================*/
+		}else{
+			
+			// Generate new secret
+			$secret = generate_secret().':999';
+
+			// Try to override the secret file
+			if( @file_put_contents(SECRET_CONF, $secret) ){
+				slog("Random secret generated successfully", 'cyclic-hash:decr');
+				return 0;
+			}else{
+				slog("Error while generating new random secret", 'cyclic-hash:decr');
+				return 127;
+			}
+
+		}
+
+		return 0;
+
+
+	}
+
+	echo cyclichash_decr();
+
+
+?>
diff --git a/lib/cyclic-hash/source/hash.php b/lib/cyclic-hash/source/hash.php
new file mode 100755
index 0000000..ffcb88d
--- /dev/null
+++ b/lib/cyclic-hash/source/hash.php
@@ -0,0 +1,42 @@
+#!/usr/bin/php
+
+<?php
+
+	require_once __DIR__.'/../../include/const';
+
+
+	function cyclichash_hash(){
+
+		/* [1] Fetch necessary data
+		=========================================================*/
+		/* (1) Fetch secret file */
+		$secret = @file_get_contents(SECRET_CONF);
+		
+		/* (2) Check secret file format */
+		if( !is_string($secret) || !preg_match("/^(.{".SECRET_SIZE."}):(\d+)$/", $secret, $match) )	
+			return 127;
+
+		/* (3) Extract data for hashing from @secret */
+		$key   = (string) $match[1];
+		$depth = (int)    $match[2];
+
+
+		/* [2] Hash data
+		=========================================================*/
+		/* (1) Initialize with data */
+		$hash = $key;
+
+		/* (2) Hash @depth times */
+		for( $d = 0 ; $d < $depth ; $d++ )
+			$hash = hash('sha512', $hash);
+
+
+		slog("Returning hash with $depth depth", 'cyclic-hash:hash');
+		return $hash;
+
+	}
+
+
+	echo cyclichash_hash();
+?>
+
diff --git a/lib/cyclic-hash/source/new.php b/lib/cyclic-hash/source/new.php
new file mode 100755
index 0000000..fdf2ba4
--- /dev/null
+++ b/lib/cyclic-hash/source/new.php
@@ -0,0 +1,48 @@
+#!/usr/bin/php
+
+<?php
+
+	require_once __DIR__.'/../../include/const';
+
+
+	function cyclichash_new(){
+
+		/* [1] Fetch necessary data
+		=========================================================*/
+		/* (1) Fetch secret file */
+		$secret = @file_get_contents(SECRET_CONF);
+		
+		/* (2) Check secret file format */
+		if( !is_string($secret) || !preg_match("/^(.{".SECRET_SIZE."}):(\d+)$/", $secret, $match) ){
+			slog("Error while reading secret", 'cyclic-hash:new');
+			return 127;
+		}
+
+		/* (3) Extract data for hashing from @secret */
+		$key   = (string) $match[1];
+		$depth = (int)    $match[2];
+
+
+		/* (4) Die if not token not changed */
+		if( $depth < 999 ){
+			slog("No new secret with $depth depth", 'cyclic-hash:new');
+			return 0;
+		}
+		
+
+		/* [2] If hash have just been created (original depth = 1000)
+		=========================================================*/
+		/* (1) Return new hash */
+		$newhash = $key;
+
+		/* (2) Hash @depth times = 1000 */
+		for( $d = 0 ; $d < 1000 ; $d++ )
+			$newhash = hash('sha512', $newhash);
+
+		slog("New secret with $depth depth", 'cyclic-hash:new');
+		return $newhash;
+
+	}
+
+	echo cyclichash_new();
+?>
diff --git a/lib/include/const b/lib/include/const
index 3e5c777..b7e12a5 100755
--- a/lib/include/const
+++ b/lib/include/const
@@ -1,4 +1,3 @@
-#!/usr/bin/php
 <?php
 
 	# RESET OUTPUT BUFFER
diff --git a/lib/include/func b/lib/include/func
index 6eae2e7..2626831 100755
--- a/lib/include/func
+++ b/lib/include/func
@@ -1,29 +1,30 @@
-#!/usr/bin/php
 <?php
 
 	/* [1] Launches external script
 	=========================================================*/
-	function syscall($callable=null){
-		ini_set('display_errors', 'On');
-		error_reporting(E_ALL);
-		
+	function syscall($dependency=null){
 		/* (1) Check file */
-		if( is_null($callable) || !file_exists($callable) )
+		if( is_null($dependency) || !file_exists($dependency) )
 			return false;
 
 		/* (2) Call and catch output */
-		ob_start();
-		include $callable;
-		$out = ob_get_clean();
+		$out = shell_exec($dependency);
 
-		/* (3) Remove unnecessary (#!/usr/bin/php) from input */
-		$out = preg_replace("/^(\s*#!\/usr\/bin\/php\s*)*/", "", $out);
-		$out = preg_replace("/\s$/", "", $out);
-		
+		/* (3) Clean output */
+		$out = preg_replace('/^\s+/', '', $out);
+		$out = preg_replace('/\s+$/', '', $out);
 
 		/* (4) Manage result */
 		if( is_numeric($out) ) return ($out==0);
 		else                   return $out;
 	}
 
+	/* [2] Log management
+	=========================================================*/
+	function slog($message="unknown error...", $feature="default", $flag="daemon"){
+
+		file_put_contents(LOG_DIR."/$flag", time()." [$feature] $message\n", FILE_APPEND);
+
+	}
+
 ?>