From 601a65af982945151b9cdd7d06485a1574727c9e Mon Sep 17 00:00:00 2001 From: Gardouille Date: Fri, 26 Sep 2014 00:42:26 +0200 Subject: [PATCH] Add some other scripts from Ivan Tikhonov. --- .gitignore | 2 + git-loc | 134 ++++++++++++++++++++++++ netboot.c | 298 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 434 insertions(+) create mode 100755 git-loc create mode 100644 netboot.c diff --git a/.gitignore b/.gitignore index 47c6788..84b4a43 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,4 @@ # File produce by procstat.c procstat +# File produce by netboot.c +netboot diff --git a/git-loc b/git-loc new file mode 100755 index 0000000..1853b06 --- /dev/null +++ b/git-loc @@ -0,0 +1,134 @@ +#!/usr/bin/env python + +import re +from email.utils import parsedate +from time import mktime +from datetime import datetime +from os import popen +import os +from sys import argv,stderr,stdout +import getopt + + +opts, args = getopt.getopt(argv[1:],None, ['svg']) +needsvg = False +for o, a in opts: + if o == "--svg": + needsvg = True +extfolder = False +if len(args) == 1: + extfolder = True + targetfolder = args[0] + + +fc=0 +locs=0 +adds=None +cmt=None + +h=[] + +def pop(): + if adds is not None: + pstr="%s %8u %5s %5s %7s %s \t%s"%(d,locs,'+'+str(adds),'-'+str(dels),hsh,who,cmt.strip()) + if needsvg: stderr.write(pstr+'\n') + else: print(pstr) + h.append((d,locs,adds,dels,hsh,who,cmt)) + +prevfolder = os.getcwd() +if extfolder: + os.chdir(targetfolder) + +for x in popen('git log --no-color --reverse -p'): + if x.startswith('commit'): + pop() + hsh=x[7:14]; + if x.startswith('Author'): + who=x.replace("Author: ",'').replace('\n',''); + who=re.sub(">.*","",who); + who=re.sub(".*<","",who); + if x.startswith('Date'): + fc=1 + d=datetime(*parsedate(x[5:])[:7]) + t=mktime(parsedate(x[5:])) + adds=0 + dels=0 + if fc==2: + cmt=x[:-1] + fc=0 + if fc==1: + if len(x)==1: fc=2 + if x.startswith('+') and not x.startswith('+++'): + adds+=1 + locs+=1 + if x.startswith('-') and not x.startswith('---'): + dels+=1 + locs-=1 + +pop() +os.chdir(prevfolder) + +def makesvg(): + def quoteone(x): + if x in 'abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789': return x + return "&#x%02x;"%(ord(x),) + + def quote(s): + return ''.join([quoteone(x) for x in s]) + + mlocs=max([locs for d,locs,adds,dels,hsh,who,cmt in h]) + yscale=800.0/mlocs + + svg=stdout + svg.write("""""" + """""" + """"""%(25*len(h),mlocs*yscale)) + + svg.write("""""") + + def rect(x,y,w,h,c,a=''): + svg.write("""""" + %(x,y,w,h,c,a)) + + + ps=[] + bl=[] + tx=[] + x=25 + for d,locs,adds,dels,hsh,who,cmt in h: + y=(mlocs-locs)*yscale + bl.append((x-1,y,3,dels*yscale,"fill:rgb(0,0,255)")) + bl.append((x-1,y-adds*yscale,3,adds*yscale,"fill:rgb(0,255,0)")) + + bl.append((x-12,0,25,mlocs*yscale,'', + """title="%s %8u %5s %5s %s" """%(d,locs,'+'+str(adds),'-'+str(dels),quote(cmt.strip())) + +"""class="o" """)) + + ps.append("%u,%u"%(x,y)) + x+=25 + + svg.write("""\n""") + svg.write(""""""%(mlocs*yscale,x,mlocs*yscale,)) + svg.write(""""""%(mlocs*yscale+25,)) + + it=pow(10,len(str(mlocs))-2) + for i in range(it,mlocs,it): + svg.write(""""""%(mlocs*yscale-i*yscale,x,mlocs*yscale-i*yscale,)) + svg.write("""\n""") + + for b in bl: + rect(*b) + svg.write("""\n""") + + svg.write(""""""%(' '.join(ps),)) + + + + + svg.write("""\n""") + +if needsvg: makesvg() diff --git a/netboot.c b/netboot.c new file mode 100644 index 0000000..04793c4 --- /dev/null +++ b/netboot.c @@ -0,0 +1,298 @@ +/* http://brokestream.com/netboot.html + + To build it: gcc -o netboot netboot.c + + netboot.c + Version 2010-01-19 + + Copyright (C) 2007-2010 Ivan Tikhonov + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Ivan Tikhonov, kefeer@brokestream.com + +*/ + + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include + +#include + +void tftpd(int s) { + static int f; + static int blksize = 512; + static int last_sent = 0; + static int was_last = 0; + { + unsigned char p[1500]; + struct sockaddr_in peer; + int peerl = sizeof(peer); + int n = recvfrom(s,p,1500,0,(struct sockaddr *)&peer,&peerl); + if(p[1] == 1) { + unsigned char o[1500]; + unsigned char *pp = p+2; + unsigned char *epp = p+n; + while(pp>8)&0xff,no&0xff}; + lseek(f,(no-1)*blksize,SEEK_SET); + n = read(f,o+4,blksize); + sendto(s,o,n+4,0,(struct sockaddr *)&peer,peerl); + last_sent = no; + if(n 1 && argc < 5) { + fprintf(stderr, "Usage : ./netboot \n"); + fprintf(stderr, "Example: ./netboot 192.168.0.255 192.168.0.1 192.168.0.55 00:11:ee:ff:66:ef\n"); + fprintf(stderr, "Example: ./netboot 192.168.0.255 192.168.0.1 192.168.0.55 -66-ef\n"); + fprintf(stderr, "\nTo find out who requesting boot run: ./netboot\n"); + exit(1); + } + + if(argc == 5) { + bc = inet_addr(argv[1]); + sc = inet_addr(argv[2]); + cc = inet_addr(argv[3]); + + { char *p = argv[4]; while(*p) { + int d; + if(p[0]>='0'&&p[0]<='9') { d = (p[0]-'0')<<4; } + else if(p[0]>='a'&&p[0]<='f') { d = (p[0]-'a'+0xa)<<4; } + else if(p[0]>='A'&&p[0]<='F') { d = (p[0]-'A'+0xa)<<4; } + else { p++; continue; } + if(p[1]>='0'&&p[1]<='9') { d = d|(p[1]-'0'); } + else if(p[1]>='a'&&p[1]<='f') { d = d|(p[1]-'a'+0xa); } + else if(p[1]>='A'&&p[1]<='F') { d = d|(p[1]-'A'+0xa); } + + macpat[6-macskip] = d; + macskip--; + p+=2; + }} + } + + if(cc) { + fprintf(stderr, "mac pattern:"); + { int i = macskip; + while(i--) { fprintf(stderr,"?? "); } + i = 0; while(i<(6-macskip)) { fprintf(stderr, "%02x ",macpat[i]); i++; } + } + fprintf(stderr, "\n"); + } + + { struct sockaddr_in b = { AF_INET, htons(67), {0xffffffff} }; + if(bind(s, (struct sockaddr *)&b, sizeof(b)) != 0) { + fprintf(stderr, "Can not bind broadcast address. DHCP will not work! Try run it as root?\n"); + } + } + + if(cc) + { struct sockaddr_in b = { AF_INET, htons(67), {sc} }; + r = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); + if(bind(r, (struct sockaddr *)&b, sizeof(b)) != 0) { + fprintf(stderr, "Can not bind server address. DHCP WILL NOT WORK! Try run it as root?\n"); + } + } + + if(cc) + { struct sockaddr_in b = { AF_INET, htons(69), {sc} }; + t = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); + if(bind(t, (struct sockaddr *)&b, sizeof(b)) != 0) { + fprintf(stderr, "Can not bind tftp server address. TFTP WILL NOT WORK! Try run it as root?\n"); + } + } + + { int v = 1; + setsockopt(r,SOL_SOCKET,SO_BROADCAST,&v,sizeof(v)); + } + + { + struct passwd *nobody; + nobody = getpwnam("nobody"); + if (nobody && nobody->pw_uid) setuid(nobody->pw_uid); + } + + + for(;;) { + fd_set rset; + int n; + + FD_ZERO(&rset); + FD_SET(s,&rset); + if(t != -1) FD_SET(t,&rset); + n = select((t>s?t:s)+1,&rset,0,0,0); + + if(cc&&FD_ISSET(t,&rset)) { + tftpd(t); + } + + if(FD_ISSET(s,&rset)) { + int type, pos97 = -1, pos12=-1; + unsigned char p[1500] = {0xff}; + recv(s,p,1500,0); + if(p[0] == 2) continue; + + + { int i = 240; + for(;i<1500;) { + if(p[i] == 0xff) break; + if(p[i] == 0x0) { i++; continue; } + if(p[i] == 53) { type = p[i+2]; } + if(p[i] == 97) { pos97 = i+1; } + if(p[i] == 12) { pos12 = i+1; } + i += p[i+1] + 2; + } + } + + printf("request %u from %02x-%02x-%02x-%02x-%02x-%02x ",type,p[28],p[29],p[30],p[31],p[32],p[33]); + if(pos12!=-1) { printf("(%.*s)\n", p[pos12],p+pos12+1); + } else { printf("(%s)\n", p+44); } + if(!cc) continue; + + if(memcmp(p+28+macskip,macpat,(6-macskip))) continue; + + printf("matched\n"); + + if(type == 1 || type == 3) { + int i,m; + p[0] = 2; + p[12] = 0; p[13] = 0; p[14] = 0; p[15] = 0; + + *(uint32_t*)(p+16)=(uint32_t)cc; + *(uint32_t*)(p+20)=(uint32_t)sc; + + i = 240; + + + if(pos97 != -1) { + p[i++] = 97; + { int n = p[pos97++]; + p[i++] = n; + while(n--) { p[i++] = p[pos97++]; } + } + } + + p[i++] = 53; p[i++] = 1; + p[i++] = type==1 ? 2 : 5; + + p[i++] = 51; p[i++] = 4; + p[i++] = 255; p[i++] = 255; p[i++] = 255; p[i++] = 255; + + p[i++] = 54; p[i++] = 4; + *(uint32_t*)(p+i)=(uint32_t)sc; i+=4; + + p[i++] = 60; p[i++] = 9; + p[i++] = 'P'; p[i++] = 'X'; p[i++] = 'E'; p[i++] = 'C'; p[i++] = 'l'; p[i++] = 'i'; p[i++] = 'e'; p[i++] = 'n'; p[i++] = 't'; + + if(type == 3) { + p[i++] = 1; p[i++] = 4; + p[i++] = 255; p[i++] = 0; p[i++] = 0; p[i++] = 0; + p[i++] = 12; p[i++] = 9; + p[i++] = 'p'; p[i++] = 'x'; p[i++] = 'e'; p[i++] = 'c'; p[i++] = 'l'; p[i++] = 'i'; p[i++] = 'e'; p[i++] = 'n'; p[i++] = 't'; + p[i++] = 67; m = i++; + p[i++] = 'p'; p[i++] = 'x'; p[i++] = 'e'; p[i++] = 'l'; p[i++] = 'i'; p[i++] = 'n'; p[i++] = 'u'; p[i++] = 'x'; p[i++] = '.'; p[i++] = '0'; p[i++] = '\0'; + p[m] = i - m - 2; + } + + p[i++] = 43; m = i++; + { + if(type == 1) { + p[i++] = 6; p[i++] = 1; p[i++] = 0; + + p[i++] = 8; p[i++] = 7; + p[i++] = 0; p[i++] = 0; p[i++] = 1; + *(uint32_t*)(p+i)=(uint32_t)sc; i+=4; + } + p[i++] = 255; + } + p[m] = i - m - 2; + p[i++] = 255; + + { struct sockaddr_in a = { AF_INET, htons(68), {bc} }; + sendto(r,p,i,0,(struct sockaddr *)&a,sizeof(a)); + } + } + } + } +}