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wordpress图片七牛云加速,seo收录查询工具,有免费的网站建设,wordpress手赚很多厂家提供的sdk，一般都不自带ftp服务器功能， 需要要发人员自己移植ftp服务器程序。 本文手把手教大家如何移植ftp server到arm板子。 环境 sdk：复旦微 Buildroot 2018.02.31. 解压 $ mkdir ~/vsftpd $ cp vsftpd-3.0.2.tar.gz ~/vs…

很多厂家提供的sdk，一般都不自带ftp服务器功能，

需要要发人员自己移植ftp服务器程序。

本文手把手教大家如何移植ftp server到arm板子。

环境

sdk：复旦微
Buildroot 2018.02.3

1. 解压

$ mkdir ~/vsftpd 
$ cp vsftpd-3.0.2.tar.gz ~/vsftpd 
$ cd ~/vsftpd $ tar xzf vsftpd-3.0.2.tar.gz 
$ cd vsftpd-3.0.2/

软件包获取方法：件文末。

2. 配置工具链

修改Makefile文件：

CC = arm-linux-gnueabihf-gcc

根据自己的平台的工具链

3. 设置交叉编译环境&编译

peng@ubuntu:~/vsftpd/vsftpd-3.0.2$ make
arm-linux-gnueabihf-gcc -c main.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c utility.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c prelogin.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ftpcmdio.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c postlogin.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c privsock.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c tunables.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ftpdataio.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c secbuf.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ls.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c postprivparent.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c logging.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c str.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c netstr.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c sysstr.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c strlist.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c banner.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c filestr.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c parseconf.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c secutil.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ascii.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c oneprocess.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c twoprocess.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c privops.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c standalone.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c hash.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c tcpwrap.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ipaddrparse.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c access.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c features.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c readwrite.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c opts.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ssl.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c sslslave.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ptracesandbox.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c ftppolicy.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c sysutil.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c sysdeputil.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -c seccompsandbox.c -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wall -W -Wshadow -Werror -Wformat-security -D_FORTIFY_SOURCE=2  -idirafter dummyinc
arm-linux-gnueabihf-gcc -o vsftpd main.o utility.o prelogin.o ftpcmdio.o postlogin.o privsock.o tunables.o ftpdataio.o secbuf.o ls.o postprivparent.o logging.o str.o netstr.o sysstr.o strlist.o banner.o filestr.o parseconf.o secutil.o ascii.o oneprocess.o twoprocess.o privops.o standalone.o hash.o tcpwrap.o ipaddrparse.o access.o features.o readwrite.o opts.o ssl.o sslslave.o ptracesandbox.o ftppolicy.o sysutil.o sysdeputil.o seccompsandbox.o -Wl,-s -fPIE -pie -Wl,-z,relro -Wl,-z,now `./vsf_findlibs.sh`

make 后，当前目录下会生成两个文件：vsftpd 和 vsftpd.conf，这两个文件是我们要用的。

4. 复制文件

将生成的 vsftpd 复制到目标板 /usr/sbin 目录，vsftpd.conf 复制到目标板 /etc 目录，并添加 vsftpd 为可执行：

  • 复制执行文件到目标板
vsftpd拷贝到板子usr/sbin
  • 添加可执行权限
chmod +x /usr/sbin/vsftpd
  • 复制配置文件到目标板
 vsftpd.conf 拷贝到板子/etc/

5. 配置

在目标板上创建一个本地用户ftp，并设置密码123456：

$ adduser ftp 
Changing password for root 
New password:  
Retype password:  
Password for ftpadmin changed by root

使用 vi 打开 vsftpd.conf 文件，并进行配置，如下配置可实现正常上传下载功能,（这段可以随便改)

用户：ftp

# Example config file /etc/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loosens things up a bit, to make the ftp daemon more usable.
# Please see vsftpd.conf.5 for all compiled in defaults.
#
# READ THIS: This example file is NOT an exhaustive list of vsftpd options.
# Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's
# capabilities.
#
# Allow anonymous FTP? (Beware - allowed by default if you comment this out).
anonymous_enable=YES
#
# Uncomment this to allow local users to log in.
local_enable=YES
#
# Uncomment this to enable any form of FTP write command.
write_enable=YES
#
# Default umask for local users is 077. You may wish to change this to 022,
# if your users expect that (022 is used by most other ftpd's)
local_umask=022
file_open_mode=0777
#
# Uncomment this to allow the anonymous FTP user to upload files. This only
# has an effect if the above global write enable is activated. Also, you will
# obviously need to create a directory writable by the FTP user.
anon_upload_enable=YES
#
# Uncomment this if you want the anonymous FTP user to be able to create
# new directories.
anon_mkdir_write_enable=YES
#
# Activate directory messages - messages given to remote users when they
# go into a certain directory.
dirmessage_enable=YES
#
# Activate logging of uploads/downloads.
xferlog_enable=YES
#
# Make sure PORT transfer connections originate from port 20 (ftp-data).
connect_from_port_20=YES
#
# If you want, you can arrange for uploaded anonymous files to be owned by
# a different user. Note! Using "root" for uploaded files is not
# recommended!
#chown_uploads=YES
#chown_username=whoever
#
# You may override where the log file goes if you like. The default is shown
# below.
xferlog_file=/var/log/vsftpd.log
#
# If you want, you can have your log file in standard ftpd xferlog format.
# Note that the default log file location is /var/log/xferlog in this case.
#xferlog_std_format=YES
#
# You may change the default value for timing out an idle session.
#idle_session_timeout=600
#
# You may change the default value for timing out a data connection.
#data_connection_timeout=120
#
# It is recommended that you define on your system a unique user which the
# ftp server can use as a totally isolated and unprivileged user.
#nopriv_user=ftpsecure
#
# Enable this and the server will recognise asynchronous ABOR requests. Not
# recommended for security (the code is non-trivial). Not enabling it,
# however, may confuse older FTP clients.
#async_abor_enable=YES
#
# By default the server will pretend to allow ASCII mode but in fact ignore
# the request. Turn on the below options to have the server actually do ASCII
# mangling on files when in ASCII mode.
# Beware that on some FTP servers, ASCII support allows a denial of service
# attack (DoS) via the command "SIZE /big/file" in ASCII mode. vsftpd
# predicted this attack and has always been safe, reporting the size of the
# raw file.
# ASCII mangling is a horrible feature of the protocol.
#ascii_upload_enable=YES
#ascii_download_enable=YES
#
# You may fully customise the login banner string:
ftpd_banner=Welcome to 6902 FTP service.
#
# You may specify a file of disallowed anonymous e-mail addresses. Apparently
# useful for combatting certain DoS attacks.
#deny_email_enable=YES
# (default follows)
#banned_email_file=/etc/vsftpd.banned_emails
#
# You may specify an explicit list of local users to chroot() to their home
# directory. If chroot_local_user is YES, then this list becomes a list of
# users to NOT chroot().
# (Warning! chroot'ing can be very dangerous. If using chroot, make sure that
# the user does not have write access to the top level directory within the
# chroot)
#chroot_local_user=YES
#chroot_list_enable=YES
# (default follows)
#chroot_list_file=/etc/vsftpd.chroot_list
#
# You may activate the "-R" option to the builtin ls. This is disabled by
# default to avoid remote users being able to cause excessive I/O on large
# sites. However, some broken FTP clients such as "ncftp" and "mirror" assume
# the presence of the "-R" option, so there is a strong case for enabling it.
#ls_recurse_enable=YES
#
# When "listen" directive is enabled, vsftpd runs in standalone mode and
# listens on IPv4 sockets. This directive cannot be used in conjunction
# with the listen_ipv6 directive.
listen=YES
#
# This directive enables listening on IPv6 sockets. To listen on IPv4 and IPv6
# sockets, you must run two copies of vsftpd with two configuration files.
# Make sure, that one of the listen options is commented !!
#listen_ipv6=YESftp_username=ftp            #登录用户
secure_chroot_dir=/mnt/     #

6. 打开vsftp

配置完之后，在目标板上打开vsftp，命令：

# /usr/sbin/vsftpd &

注意，后面还有一个 &，表示该服务放到后台运行。

7. 设置开机自启动

如果要让 vsftpd 开机启动，可以创建下面文件S70vsftpd，

然后将该文件添加到/etc/init.d/目录下。

#! /bin/shset -eDESC="vsftpd"
NAME=vsftpd
DAEMON=/usr/sbin/$NAMEcase "$1" instart)printf "Starting $DESC: "start-stop-daemon -S -b -x $NAMEecho "OK";;stop)printf "Stopping $DESC: "start-stop-daemon -K -x $NAMEecho "OK";;restart|force-reload)echo "Restarting $DESC: "$0 stopsleep 1$0 startecho "";;*)echo "Usage: $0 {start|stop|restart|force-reload}" >&2exit 1;;
esacexit 0

开启vsftpd：

 /etc/init.d/S70vsftpd restart

重启vsftpd:

 /etc/init.d/S70vsftpd restart

8. 客户端测试

下面以pc为例：

C:\Users\ricks>ftp
ftp> open 192.168.31.45
连接到 192.168.31.45。
220 Welcome to EC20 FTP service.
200 Always in UTF8 mode.
用户(192.168.31.45:(none)): root
331 Please specify the password.
密码:
230 Login successful.
  • 显示文件列表
ftp> ls
200 PORT command successful. Consider using PASV.
150 Here comes the directory listing.
123
226 Directory send OK.
ftp: 收到 5 字节，用时 0.00秒 1.25千字节/秒。
  • 下载文件
ftp> get 123
200 PORT command successful. Consider using PASV.
150 Opening BINARY mode data connection for 123 (8 bytes).
226 Transfer complete.
ftp: 收到 8 字节，用时 0.00秒 8.00千字节/秒。
  • 退出
ftp> quit
221 Goodbye.

后台回复：tools

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