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remote.sh
executable file
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remote.sh
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#!/bin/sh
# \
exec expect -- "$0" ${1+"$@"}
###################################################
# 用法: 脚本名 -i IP.地址 -p 密码 -t 超时时间 -m 命令模式 -c 具体命令
###################################################
# 功能描述：
# 1:在远端的服务器上执行命令(使用-m ssh-cmd);
# 2:把本地文件拷贝至远端服务器(使用-m scp-out);
# 备注:如果远端没有scp命令,需要使用cat+ssh
# 把本地文件拷贝至远端服务器
# 3:把远端文件拷贝至本地(使用-m scp-in);
# 4:对于建立互信的环境可以不使用-p参数设置密码;
# 5:默认的用户名为root
# 6:默认的端口号为22
# 7:默认的脚本超时时间为120秒
# 8:执行结果以标准输出的形式输出
# 9:密码或用户名错误返回128
# 10:超时返回129
###################################################
#设置默认值
set port 22
set user "root"
set timeout 120
set password ""
set host ""
set mode ""
set command ""
set src ""
set dst ""
###############################################
# 显示帮助信息
###############################################
proc help {} {
global argv0
send_user "usage: $argv0\n"
send_user " -i <ip> Host or IP\n"
send_user " -P <port> Port. Default = 22\n"
send_user " -u <user> UserName. Default = root\n"
send_user " -p <password> Password.\n"
send_user " -t <timeout> Timeout. Default = 120\n"
send_user " -m <mode> Mode. include: ssh-cmd, scp-out, scp-in\n"
send_user " -c <command> Ssh Command\n"
send_user " -s <src> Scp Source File\n"
send_user " -d <dst> Scp Destination File\n"
send_user " -a <aes-file> Use aes encrypt passwd\n"
send_user " -v Version\n"
send_user " -h Help\n"
send_user "Sample:\n"
send_user "$argv0 -i 10.88.10.11 -p pass -t 5 -m ssh-cmd -c ifconfig\n"
send_user "$argv0 -i 10.88.10.11 -p pass -m scp-out -s /etc/passwd -d /tmp/passwd\n"
}
###############################################
# 输出错误日志
###############################################
proc errlog {errmsg h code} {
global host
send_user "\nError: $errmsg on $host (${code}) \n"
if {[string compare "$h" "yes"] == 0} {
help
}
exit $code
}
#参数个数不能为0
if {[llength $argv] == 0} {
errlog "argv is null" "yes" "1"
}
#参数解析
while {[llength $argv]>0} {
set flag [lindex $argv 0]
switch -- $flag "-i" {
set host [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-P" {
set port [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-u" {
set user [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-p" {
set password [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-t" {
set timeout [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-m" {
set mode [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-c" {
set command [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-s" {
set src [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-d" {
set dst [lindex $argv 1]
set argv [lrange $argv 2 end]
} "-a" {
set password [ exec openssl enc -aes-256-cbc -salt -a -d -k "$key" -in [lindex $argv 1] 2> /dev/null ]
set argv [lrange $argv 2 end]
} "-v" {
send_user "Ver: 1.0.0.0\n"
exit 0
} "-h" {
help
exit 0
} default {
set user [lindex $argv 0]
set argv [lrange $argv 1 end]
break
}
}
#主机名或IP为空
if {"$host" == ""} {
errlog "host is null" "yes" "1"
}
#执行命令
if {[string compare "$mode" "ssh-cmd"] == 0} {
if {"$command" == ""} {
errlog "command is null" "yes" "1"
}
spawn ssh -oServerAliveInterval=60 -oStrictHostKeyChecking=no -oVerifyHostKeyDNS=yes -oUserKnownHostsFile=/dev/null -p $port $user@$host "$command"
} elseif {[string compare "$mode" "scp-out"] == 0} {
if {"$src" == "" || "$dst" == ""} {
errlog "src or dst is null" "yes" "1"
}
spawn scp -r -oServerAliveInterval=60 -oStrictHostKeyChecking=no -oVerifyHostKeyDNS=yes -oUserKnownHostsFile=/dev/null -P $port $src $user@$host:$dst
} elseif {[string compare "$mode" "scp-in"] == 0} {
if {"$src" == "" || "$dst" == ""} {
errlog "src or dst is null" "yes" "1"
}
spawn scp -r -oServerAliveInterval=60 -oStrictHostKeyChecking=no -oVerifyHostKeyDNS=yes -oUserKnownHostsFile=/dev/null -P $port $user@$host:$src $dst
} else {
errlog "mode($mode) invalid" "yes" "1"
}
#命令执行结果
expect {
-nocase -re "please try again" {
errlog "Bad Password/UserName, Or Account locked" "no" "128"
}
-nocase -re "password" {
send "$password\r"
exp_continue
}
timeout {
errlog "Executing timeout" "no" "129"
}
}
#获取命令执行结果
catch wait result
set ret [lindex $result 3]
if { $ret != 0 } {
#如有远端没有scp命令的话,scp会失败的,此时需要使用cat+ssh的方法拷贝数据
#暂不考虑从远端拷贝数据至本地,且远端无scp的场景
if {$ret == 1 && [string compare "$mode" "scp-out"] == 0} {
spawn /bin/sh -c "cat $src | ssh -oServerAliveInterval=60 -oStrictHostKeyChecking=no -oVerifyHostKeyDNS=yes -oUserKnownHostsFile=/dev/null -p $port $user@$host 'cat > $dst'"
#命令执行结果
expect {
-nocase -re "please try again" {
errlog "Bad Password/UserName, Or Account locked" "no" "128"
}
-nocase -re "password" {
send "$password\r"
exp_continue
}
timeout {
errlog "Executing timeout" "no" "129"
}
}
#获取命令执行结果
catch wait result
set ret [lindex $result 3]
if { $ret == 0 } {
exit 0
}
}
errlog "Execute failed" "no" "$ret"
}
exit $ret