#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include??
#include?
#include??
#include??
#include?
#include?
#include?
#define?_GNU_SOURCE

struct?client_t
{
	pthread_t?tid;
	int?conn_fd;
	int?used;
	char?name[20];
}p_client[10];

struct?server_t
{
	FILE?*?fp;
	int?sockfd;
};

typedef?struct?client_path
{
	char?currentDirPath[100];??
}pri_struct;

static?pthread_key_t?pri_key;

static?pthread_once_t?pri_once?=?PTHREAD_ONCE_INIT;

pthread_mutex_t?client_no?=?PTHREAD_MUTEX_INITIALIZER;

int?count?=?0;
int?count_all?=?0;
int?using[10];
void?*client_conn（void?*arg）;
void?call_once（void）;
char?help[]=“get:download?a?file?from?server\nput:upload?a?file?to?server\npwd:show?the?current?path\nls:list?files?in?the?current?directory\ncd:change?directory\nascii/binary:switch?mode\nquit:quit?this?ftp\n“;??
??
void?cmd_ls（int?sock）;??
void?cmd_cd（int?sockchar?*dirName）;??
void?cmd_cdback（int?sock）;
void?cmd_get_bin（int?sockdatachar*filename）;
void?cmd_get_ascii（int?sockdatachar?*filename）;
void?cmd_put_bin（int?sockdatachar?*filename）;
void?cmd_put_ascii（int?sockdatachar*?filename）;
void?*server（void?*arg）;

????
static?void?pri_destructor（void?*ptr）
{
	free（ptr）;
}

static?void?pri_onlyonce（void）
{
	pthread_key_create（&pri_keypri_destructor）;
}

void?get_path（pri_struct?*?p_data）
{
	memset（p_data->currentDirPath0sizeof（p_data->currentDirPath））;
	getcwd（p_data->currentDirPathsizeof（p_data->currentDirPath））;
}

int?main（int?argcchar**?argv）
{
	int?sockfd;
	struct?hostent?*hptr;
????char?**pptr;
????char?hostname[32];
????char?*addr;
	struct?sockaddr_in?server_addr;
	int?bind_succ;
	int?port;
	int?sockdata;
	int?ij;
	int?*?quit?=?NULL;
	char??username[30]password[20]buf[50]client_name[20];
	char?*?line?=?NULL;
	size_t?len?=?0;
	ssize_t?read;
	int?flag?=?0;
	int?flag_client?=?0;
	pthread_t?serv_tid;
	FILE?*fp;
	struct?server_t?ser_struct;
?
	for（i=0;i<10;i++）
	{
		p_client[i].used?=?0;
		using[i]?=?0;
	}
	
	fp?=?fopen（“./user.txt““r“）;
	if?（fp?==?NULL）
		exit（EXIT_FAILURE）;
		
	printf（“please?input?username?and?password!\nusername:?“）;
	scanf（“%s“username）;
	printf（“password:?“）;
	scanf（“%s“password）;
	strcat（username“?“）;
	strcat（usernamepassword）;
	strcat（username“\n“）;
	while?（（read?=?getline（&line?&len?fp））?!=?-1）
	{
		if（strcmp（lineusername）==0）
		{	
			flag?=?1;
			break;
		}
	}
	if?（line）
		free（line）;
	if（flag?==?1）
		printf（“login?successed!\nWelcome?to?ftpserver!\n“）;
	else
	{
		printf（“login?failed!\nPlease?check?your?username?or?password\n“）;
		return?-1;
	}
	
	if?（argc?==?2）
	{
		if（?gethostname（hostnamesizeof（hostname））?）
		{
			printf（“gethostname?calling?error\n“）;
			return?1;
		}
		
		if（?（hptr?=?gethostbyname（hostna

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????????60??2009-04-14?21:34??ftp\client.txt

?????文件??????18447??2009-02-19?22:47??ftp\ftpserver.c

?????文件??????13864??2009-02-19?22:50??ftp\myftp.c

?????文件????????544??2009-04-14?21:34??ftp\readme.txt

?????文件?????????19??2009-04-14?21:34??ftp\user.txt

?????目錄??????????0??2009-04-14?21:34??ftp

-----------?---------??----------?-----??----

????????????????32934????????????????????6