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在嵌入式Linux系统中,有时候需要搭建一个ftp服务器,以便windows或linux系统去访问嵌入式linux系统的数据。现在流行的ftp和vsftpd软件相对比较大,在嵌入式Linux系统下不太合适。最近由于需要,发现了一款很小型的ftp服务器,在这里分享。
stupid-ftpd 点击下载
根据自己的需要,修改Makefile,将gcc修改为交叉工具链的gcc,比如mips-gnu-linux-gcc。 若要静态编译,在CFLAGS后面添加"-static"选项。以下的Makefile已经修改:
# # # Makefile for the linux version of stupid-ftpd # # # CC=mips-linux-gnu-gcc -EL #修改 OBJS=ftpcommand.o ftpdconfig.o command.o ls.o stupid-ftpd.o DOBJS=ftpcommand.do ftpdconfig.do command.do ls.do stupid-ftpd.do POBJS=ftpcommand.po ftpdconfig.po command.po ls.po stupid-ftpd.po LIBS= CFLAGS=-O2 -Wall -Wstrict-prototypes -static #修改 DCFLAGS=-g -DDEBUG -Wall -Wstrict-prototypes PCFLAGS=-g -DDEBUG -Wall -Wstrict-prototypes -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs EXEC=stupid-ftpd.Linux6.SUFFIXES: .c .o .do .po
all: $(OBJS)
$(CC) $(CFLAGS) -o $(EXEC) $(OBJS) $(LIBS)debug: $(DOBJS)
$(CC) $(DCFLAGS) -o $(EXEC) $(DOBJS) $(LIBS)pedantic: $(POBJS)
$(CC) $(PCFLAGS) -o $(EXEC) $(POBJS) $(LIBS)clean:
rm -f $(OBJS) $(DOBJS) $(POBJS) $(EXEC) *~.c.o:
$(CC) $(CFLAGS) -c -o $@ $<.c.do:
$(CC) $(DCFLAGS) -c -o $@ $<.c.po:
$(CC) $(PCFLAGS) -c -o $@ $<install:
install -m 755 -s ./stupid-ftpd /usr/local/bin/stupid-ftpd install -m 700 -d /etc/stupid-ftpd install -m 755 -d /usr/local/stupid-ftpd install -m 600 ./stupid-ftpd.conf /etc/stupid-ftpd/stupid-ftpd.conf只需修改两个位置。
编译完成后,生成stupid-ftpd.Linux6可执行程序,该程序运行需要配置文件,以下的配置已经被修改并验证,是可以用的。但前提是运行在嵌入式Linux系统下,21端口没有被占用。
#
# This is a config-file for stupid-ftpd # ------------------------------------ # # The standard path should be /etc/stupid-ftpd.conf # You can define other paths by using the "-f" option # when starting stupid-ftpd. # # # ATTENTION: 1) Remember, that the server is running with YOUR permissions. # It will fail to access other users directory, unless it is # root, but it also allows to access ALL YOUR directories, # which are deeper in a user's root-dir and YOU HAVE access to. # 2) To solve the problem, the best way is to define a group-ID # for stupid-ftpd. # Or if you aren't root: set the MAIN root (serverroot=) to # the highest directory depth which is possible. # 3) REMEMBER: DO NOT PUT THIS FILE in an accessible directory!!! # There are passwords defined here. The safest place is # outside the serverroot. # Server operation mode: # daemon - quiet in background # interactive - standard mode#mode=interactive #交互式的形式运行
mode=daemon #以守护进程的形式运行在后台# chroot to
#serverroot=/usr/home/cinek/tmp3/aaa
serverroot=/mnt #将ftp的根目录设置为/mnt目录下,在windows打开该ftp,就能访问/mnt目录# type of chroot
# real - kernel chroot(), high security, but needs root privileges # virtual - no real chroot(), software side (virtual) chroot#changeroottype=real
changeroottype=virtual # Port number for the FTP-Protocol#port=2121
port=21 #默认为ftp的端口号。 # Maximum users allowed to log inmaxusers=10
# Message Of The Day (motd) # It will be displayed after the login procedure.#motd=/tmp/stupid-ftpd.motd
# Message on quit # It will be displayed when quitting.#byemsg=/tmp/stupid-ftpd.bye
# Log#log=/tmp/stupid-ftpd.log
# User list: # Format: user=<login> <passwd> <subdir> <maxlogins> <flags> # <login> user name # <passwd> password or * for anonymous access # <subdir> (internally appended to serverroot) # the user has access to the WHOLE SUBTREE, # if the server has access to it # <maxlogins> maximal logins with this usertype # <flags> D - download # U - upload + making directories # O - overwrite existing files # M - allows multiple logins # E - allows erase operations # A - allows EVERYTHING(!) # # user ftp is mapped to user anonymous, don't forget this # # Examples: # user=user1 passx /tmp 2 D # - login: user1, passwd: passx, max login twice (different IPs!) # only download rights from directory /tmp # user=user2 passy /home/user2 0 DU # - login: user2, passwd: passy, no login count limit (different IPs!) # download+upload rights to directory /home/user2 # user=user3 passz /home/user3 5 DUOM # - login: user3, passwd: passz, max login count 5 (even from same IP) # download+upload+overwrite rights to directory /home/user3 # user=user4 passq /tmp 10 - # - login: user4, passwd: passq, max login count 10 (even from same IP) # look-only rights at directory /tmp # # SEE: ATTENTION remark on the top of this file !!!user=anonymous * / 5 A
# Banned hosts # "*" and "?" are allowed here#ban=192.168.*
#ban=localhost #ban=*.banme.com # Ban message (displayed to user who is banned) # Please don't use more than 70 characters.#banmsg=Go away !
# Login/password timeoutlogin-timeout=120
# Timeout (while logged in)timeout=240
剩下的用默认的配置就可以了,特别注意,设置port参数的时候,2121端口不能使用,无法提供ftp服务。要设置为21端口,经过测试,设置为21端口,在Linux的PC机,报错:21端口被占用。但在嵌入式Linux下,是可以使用的。
stupid-ftpd.Linux6的使用方法:
直接用-f选项指定配置文件: stupid-ftpd.Linux6 -f stupid-ftpd.conf然后保证windows与嵌入式Linux系统的IP地址在同一网段,然后再"我的电脑"输入:ftp://192.168.x.x/
这里就不截图了。 --------------------- 作者:gzshun 来源:CSDN 原文:https://blog.csdn.net/gzshun/article/details/7358651 版权声明:本文为博主原创文章,转载请附上博文链接!