/******************************************************************************
* 函数名称: ftpDownload
* 函数功能: 通过FTP从PC机下载文件到指定的地址
* 创建日期: 2003-04-25
* 作 者: 邱文
* 输入参数:
CHAR *fileName: 要下载的文件名
CHAR *TEMPBUFFER: 存放在系统内存的起始地址
* 输出参数: 无
* 返 回: fileLength(文件长度)，失败返回0
* 被调函数：ftpXfer() and ftpCommand()
* 调用函数：bsp_menu_ftpDownload()
*******************************************************************************/
LOCAL DWORD ftpDownload_ALTERA
(
BYTE *fileName,
BYTE *TEMPBUFFER
)
{
BOOT_PARAMS params;
int dataSock;
int ctrlSock;
CHAR buf[1024];
SDWORD nBytes;
DWORD fileLength = 0;
SDWORD status;
BYTE *tempBuffer = TEMPBUFFER;
if ( ( NULL == fileName ) || ( NULL == tempBuffer ) )
{
return 0;
}
if (usrBootLineCrack (BOOT_LINE_ADRS, ¶ms) != OK)
{
printf("根启动参数无效 \n");
return (0);
}
if (ftpXfer (params.had, params.usr, params.passwd, "", "RETR %s", "",
fileName,&ctrlSock, &dataSock) == ERROR)
{
printf("下载文件 \"%s\" 出错 \n", fileName);
return (0);
}
while ((nBytes = read (dataSock, buf, sizeof (buf))) > 0)
{
memcpy (tempBuffer, buf, nBytes);
fileLength += nBytes;
tempBuffer += nBytes;
}
/* BSP_MENU_PRINT(" 拷贝到缓冲区成功\n");*/
close (dataSock);
/* BSP_MENU_PRINT(" 关闭文件成功\n");*/
if (fileLength > 0)
{
status = OK;
if (ftpCommand (ctrlSock, "QUIT", 0, 0, 0, 0, 0, 0) != FTP_COMPLETE)
status = ERROR;
close (ctrlSock);
/*printf("\r\nFTP下载成功, 文件长度为 %d",fileLength);*/
return fileLength;
}
else
{
#if 0
if (nBytes < 0) /* read error? */
status = 0;
if (ftpReplyGet (ctrlSock, TRUE) != FTP_COMPLETE)
status = 0;
#endif
if (ftpCommand (ctrlSock, "QUIT", 0, 0, 0, 0, 0, 0) != FTP_COMPLETE)
{
status = 0;
}
close (ctrlSock);
printf("FTP下载失败\n");
return 0;
}
}
int ftpOpen(char *host, int family, char *name, char *password,
char *proxy, int port) {
static int sock;
struct in_addr addr;
struct in6_addr addr6;
struct sockaddr_in destPort;
struct sockaddr_in6 destPort6;
struct passwd * pw;
char * buf;
int rc = 0;
char *userReply;
if (port < 0) port = IPPORT_FTP;
if (!name)
name = "anonymous";
if (!password) {
password = "******";
if (getuid()) {
pw = getpwuid(getuid());
if (pw) {
password = alloca(strlen(pw->pw_name) + 2);
strcpy(password, pw->pw_name);
strcat(password, "@");
}
}
}
if (proxy) {
if (asprintf(&buf, "%s@%s", name, host) != -1)
name = buf;
host = proxy;
}
if (family == AF_INET)
rc = getHostAddress(host, &addr, AF_INET);
else if (family == AF_INET6)
rc = getHostAddress(host, &addr6, AF_INET6);
if (rc)
return rc;
sock = socket(family, SOCK_STREAM, IPPROTO_IP);
if (sock < 0) {
return FTPERR_FAILED_CONNECT;
}
if (family == AF_INET) {
destPort.sin_family = family;
destPort.sin_port = htons(port);
destPort.sin_addr = addr;
if (connect(sock, (struct sockaddr *) &destPort, sizeof(destPort))) {
close(sock);
return FTPERR_FAILED_CONNECT;
}
} else if (family == AF_INET6) {
destPort6.sin6_family = family;
destPort6.sin6_port = htons(port);
destPort6.sin6_addr = addr6;
if (connect(sock, (struct sockaddr *) &destPort6, sizeof(destPort6))) {
close(sock);
return FTPERR_FAILED_CONNECT;
}
}
/* ftpCheckResponse() assumes the socket is nonblocking */
if (fcntl(sock, F_SETFL, O_NONBLOCK)) {
close(sock);
return FTPERR_FAILED_CONNECT;
}
if ((rc = ftpCheckResponse(sock, NULL))) {
return rc;
}
if ((rc = ftpCommand(sock, &userReply, "USER", name, NULL))) {
close(sock);
return rc;
}
/* FTP does not require that USER be followed by PASS. Anonymous logins
* in particular do not need any password.
*/
if (strncmp(userReply, "230", 3) != 0) {
if ((rc = ftpCommand(sock, NULL, "PASS", password, NULL))) {
close(sock);
return rc;
}
}
if ((rc = ftpCommand(sock, NULL, "TYPE", "I", NULL))) {
close(sock);
return rc;
}
return sock;
}