linux下使用脚本自动登录远程服务器

ubuntu下的ssh客户端一直没找到象SecureCRT那样好用的工具。用ssh登录，每次都要输入密码，感觉很麻烦，而且因为字符集不相同，一般还有乱码问题，所以参照网上的一些实现自己也通过python来实现了一下。 
#1.通过参数自动登录ssh远程服务器 
#2.通过配置字符集解决中文乱码问题 
#3.解决改变远程窗口默认较小bug，远程窗口同本地窗口大小动态改变未处理 
#4.实现2级代理 
#5.可以使用sftp登录来传文件(sftp,目前不能实现代理来作） 

配置文件host.properties 
第一列可以为id,第二列为用户名，第一列为密码，第四列为远程服务器字符集 

#userid:user:password:characters
ljj51:ljj:123456:gbk

登录脚本 

#!/usr/bin/env python
#coding:UTF-8
#1.通过参数自动登录ssh远程服务器
#2.通过配置字符集解决中文乱码问题
#3.解决改变远程窗口默认较小bug，远程窗口同本地窗口大小动态改变未处理
#4.实现2级代理

import os,sys,pexpect,string
import struct,fcntl,termios,signal

try:
    import pexpect
except:
    print "你没有pexpect包，试试sudo apt-get install python-pexpect"
    sys.exit(0)

def sigwinch_passthrough(sig,data):
    """窗口改动后，自动返回当前窗口值，以便跟远程窗口同步,目前有问题"""
    s=struct.pack("HHHH",0,0,0,0)
    a=struct.pack('hhhh',fcntl.ioctl(sys.stdout.fileno(),termios.TIOCGWINSZ,s))

    #global columns,lines
    """ self.lines=a[0]
    self.columns=a[1]
    print "resize windows size(%s,%s)"%(self.lines,self.columns)
    """
    print a[0],a[1]

class SimpleSsh:
    def __init__(self):
        self.columns=125
        self.lines=37
        self.base="~/ssh/"
        self.filename="host.properties"

    def createSshUrl(self,paramap):
        user=paramap["user"]
        password=paramap["password"]
        host=paramap["host"]
        characters=paramap["characters"]
        conntype=paramap["conntype"]
        url="luit -encoding "+characters+" "+conntype+" "+user+"@"+host

        print "#"*40
        print "#",string.center(string.join((user,"@",host," by ",characters),""),36),"#"
        print "#",string.center("created by [e-mail]",36),"#"
        print "#"*40

        return url,password

    def connection(self,url,password):
        """ """
        columns=self.columns
        lines=self.lines
        try:
            p=pexpect.spawn(url)
            try:
                #signal.signal(signal.SIGWINCH,sigwinch_passthrough)
                p.setwinsize(lines,columns)
                print "resize windows(%s,%s)"%(columns,lines)
            except:
                pass
            p.expect("password:")
            p.sendline(password)
            p.interact()
        except:
            print "connection close()"

    def argv2map(self,userid,host,conntype):
        paramap={}
        base=self.base
        filename=self.filename
        tmp=""
        try:
            file=open(filename,"r")
        except:
            file=open(string.join(base,filename))
        content=file.readlines()

        for x in content:
            if x.startswith(userid):
                tmp=string.strip(x)

        if tmp=="":
            print "not found %s"%userid
            sys.exit(0)

        tmparray=string.split(tmp,":")
        paramap["user"]=tmparray[1]
        paramap["password"]=tmparray[2]
        paramap["userid"]=userid
        paramap["host"]=host
        paramap["characters"]=tmparray[3]
        paramap["conntype"]=conntype

        return paramap

    def initpara(self,para):
        try:
            userid=para[1]
            host=para[2]
            conntype=""
        except:
            userid=raw_input("enter your userid:")
            host=raw_input("enter your host:")
        try:
            conntype=para[3]
        except:
            conntype="ssh"

        return userid,host,conntype


    def handle(self,para):
        userid,host,conntype=self.initpara(para)
        paramap=self.argv2map(userid,host,conntype)
        url,password=self.createSshUrl(paramap)
        self.connection(url,password)
class ProxySsh(SimpleSsh):
    def initpara(self,para):
        self.defaultType="ssh"
        paramaparray={}
        argvarray=string.split(para,"-")
        for x in argvarray:
            if string.strip(x)=="": continue
            x=string.split(x," ")
            #print x[1],",",x[2],",",self.defaultType
            paramaparray[x[0]]=self.argv2map(x[1],x[2],self.defaultType)

        return paramaparray
    def createSshUrl(self,paramaparray):
        parakey=paramaparray.keys()
        parakey.sort()
        url="luit -encoding %character2% ssh -t %s1% \"bash -c 'ssh %s2%'\""
        print "#"*40
        for x in parakey:
            paramap=paramaparray[x]
            tmp=string.join((paramap["user"],"@",paramap["host"]),"")
            tmp1="%s"+x+"%"
            tmp2="%character"+x+"%"
            print "#",string.center(string.join((x,":",tmp,paramap["characters"]),""),36),"#"
            url=string.replace(url,tmp1,tmp)
            url=string.replace(url,tmp2,paramap["characters"])
        print "#",string.center("created by [e-mail]",36),"#"
        print "#"*40
        try:
            p=pexpect.spawn(url)
            try:
                p.setwinsize(self.lines,self.columns)
                print "resize windows(%s,%s)"%(columns,lines)
            except:
                pass

            for x in parakey:
                paramap=paramaparray[x]
                password=paramap["password"]
                p.expect("password")
                p.sendline(password)

            p.interact()
        except:
            print "connection close()"


    def handle(self,para):
        paramaparray=self.initpara(para)
        url=self.createSshUrl(paramaparray)


if __name__=="__main__":
    """help:
    ./myssh.py ljj51 127.0.0.1
    ./myssh.py ljj51 127.0.0.1 sftp
    ./myssh.py -1 ljj51 127.0.0.1 -2 ljj52 127.0.0.2
    """
    help="""help:
         ./myssh.py ljj51 127.0.0.1
         ./myssh.py ljj51 127.0.0.1 sftp
         ./myssh.py -1 ljj51 127.0.0.1 -2 ljj52 127.0.0.2
         """

    argvpara=string.join(sys.argv[1:]," ")
    if "-" in argvpara:
        b=ProxySsh()
        b.handle(argvpara)
    elif "help" in argvpara:
        print help
    管理员在2009年8月13日编辑了该文章文章。

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