int main(int argc, char **argv) {
skod_t skod;
ftp_t ftp;
skod_init(&skod);
skod_parse_cla(argc, argv, &skod);
signal(SIGINT, signal_handler);
/* Init FTP*/
ftp.user = skod.user;
ftp.password = skod.password;
ftp.server = skod.server;
ftp.port = skod.port;
ftp.alarm_sec = 1; /* High risk */
ftp_mkcon(&ftp);
/* --dest, -e*/
if ( skod.dest != NULL )
ftp_cwd(&ftp, skod.dest);
else if ( skod.dest == NULL && flag == 4 )
die("You need to pass --dest (destination folder) with --upload.");
switch(flag) {
case 1:
ftp_list(&ftp, skod.path, 1);
break;
case 2:
ftp_remove(&ftp, skod.path);
break;
case 3:
ftp_download_single(&ftp, skod.path);
break;
case 4:
ftp_upload_single(&ftp, skod.path);
break;
case 5:
ftp_cat(&ftp, skod.path);
break;
case 6:
printf("%d\n", ftp_size(&ftp, skod.path));
break;
case 7:
printf("%s\n", ftp_pwd(&ftp));
break;
case 8:
ftp_delete(&ftp, skod.path);
break;
case 10:
ftp_mdtm(&ftp, skod.path);
break;
case 99:
skod_scan(&skod, &ftp);
break;
}
ftp_close(&ftp);
return 0;
}
void cmd_pwd(int argc, char **argv)
{
OPT_HELP_NEW(_("Print the current working directory."), "pwd [options]", NULL);
maxargs(optind - 1);
need_connected();
need_loggedin();
ftp_pwd();
}
void cmd_pwd(int argc, char **argv)
{
OPT_HELP("Print the current working directory. Usage:\n"
" pwd [options]\n"
"Options:\n"
" -h, --help show this help\n");
maxargs(optind - 1);
need_connected();
need_loggedin();
ftp_pwd();
}
/**
* Generates response message for client
* @param cmd Current command
* @param state Current connection state
*/
void response(Command *cmd, State *state)
{
switch(lookup_cmd(cmd->command)){
case USER: ftp_user(cmd,state); break;
case PASS: ftp_pass(cmd,state); break;
case PASV: ftp_pasv(cmd,state); break;
case LIST: ftp_list(cmd,state); break;
case CWD: ftp_cwd(cmd,state); break;
case PWD: ftp_pwd(cmd,state); break;
case MKD: ftp_mkd(cmd,state); break;
case RMD: ftp_rmd(cmd,state); break;
case RETR: ftp_retr(cmd,state); break;
case STOR: ftp_stor(cmd,state); break;
case DELE: ftp_dele(cmd,state); break;
case SIZE: ftp_size(cmd,state); break;
case ABOR: ftp_abor(state); break;
case QUIT: ftp_quit(state); break;
case TYPE: ftp_type(cmd,state); break;
case CDUP: ftp_cdup(state); break;
case HELP: ftp_help(cmd, state); break;
case NLST: ftp_nlst(cmd, state); break;
case RNFR: ftp_rnfr(cmd, state); break;
case RNTO: ftp_rnto(cmd, state); break;
case APPE: ftp_appe(cmd, state); break;
case NOOP:
if(state->logged_in){
state->message = "200 Zzz...\n";
}else{
state->message = "530 Please login with USER and PASS\n";
}
write_state(state);
break;
default:
state->message = "500 Unknown command\n";
write_state(state);
break;
}
}
/*
* Change working directory to the directory that contains the specified
* file.
*/
static int
ftp_cwd(conn_t *conn, const char *path, int subdir)
{
const char *beg, *end;
char *pwd, *dst;
int e, i, len;
if (*path != '/') {
ftp_seterr(501);
return (-1);
}
++path;
/* Simple case: still in the home directory and no directory change. */
if (conn->ftp_home == NULL && strchr(path, '/') == NULL &&
(!subdir || *path == '\0'))
return 0;
if ((e = ftp_cmd(conn, "PWD\r\n")) != FTP_WORKING_DIRECTORY ||
(e = ftp_pwd(conn, &pwd)) != FTP_OK) {
ftp_seterr(e);
return (-1);
}
if (conn->ftp_home == NULL && (conn->ftp_home = strdup(pwd)) == NULL) {
fetch_syserr();
free(pwd);
return (-1);
}
if (*path == '/') {
while (path[1] == '/')
++path;
dst = strdup(path);
} else if (strcmp(conn->ftp_home, "/") == 0) {
dst = strdup(path - 1);
} else {
if (asprintf(&dst, "%s/%s", conn->ftp_home, path) == -1)
dst = NULL;
}
if (dst == NULL) {
fetch_syserr();
free(pwd);
return (-1);
}
if (subdir)
end = dst + strlen(dst);
else
end = strrchr(dst, '/');
for (;;) {
len = strlen(pwd);
/* Look for a common prefix between PWD and dir to fetch. */
for (i = 0; i <= len && i <= end - dst; ++i)
if (pwd[i] != dst[i])
break;
/* Keep going up a dir until we have a matching prefix. */
if (strcmp(pwd, "/") == 0)
break;
if (pwd[i] == '\0' && (dst[i - 1] == '/' || dst[i] == '/'))
break;
free(pwd);
if ((e = ftp_cmd(conn, "CDUP\r\n")) != FTP_FILE_ACTION_OK ||
(e = ftp_cmd(conn, "PWD\r\n")) != FTP_WORKING_DIRECTORY ||
(e = ftp_pwd(conn, &pwd)) != FTP_OK) {
ftp_seterr(e);
free(dst);
return (-1);
}
}
free(pwd);
#ifdef FTP_COMBINE_CWDS
/* Skip leading slashes, even "////". */
for (beg = dst + i; beg < end && *beg == '/'; ++beg, ++i)
/* nothing */ ;
/* If there is no trailing dir, we're already there. */
if (beg >= end) {
free(dst);
return (0);
}
/* Change to the directory all in one chunk (e.g., foo/bar/baz). */
e = ftp_cmd(conn, "CWD %.*s\r\n", (int)(end - beg), beg);
if (e == FTP_FILE_ACTION_OK) {
free(dst);
return (0);
}
#endif /* FTP_COMBINE_CWDS */
/* That didn't work so go back to legacy behavior (multiple CWDs). */
for (beg = dst + i; beg < end; beg = dst + i + 1) {
while (*beg == '/')
++beg, ++i;
for (++i; dst + i < end && dst[i] != '/'; ++i)
/* nothing */ ;
e = ftp_cmd(conn, "CWD %.*s\r\n", (int)(dst + i - beg), beg);
if (e != FTP_FILE_ACTION_OK) {
free(dst);
ftp_seterr(e);
return (-1);
}
}
free(dst);
return (0);
}
int main(int argc,char **argv)
{
printf("ftp>");
char command[MAXSIZE];
char*cmd;
scanf("%s",command);
cmd=command;
while(*(cmd)==' ')
cmd++;
if(strncmp(cmd,"login",5)==0)
{
login();
if(login_yes==1)
{
while(1)
{
comm:
sleep(1);
printf("ftp>");
zeromery(command,1024);
scanf("%s",command);
cmd=command;
while(*(cmd)==' ')
cmd++;
if(strncmp(cmd,"pasv",4)==0)
{
ftp_list(control_sockfd);
}
if(strncmp(cmd,"port",4)==0)
{
ftp_list(control_sockfd);
}
if(strncmp(cmd,"list",4)==0)
{
ftp_pwd(control_sockfd);
ftp_list(control_sockfd);
}
if(strncmp(cmd,"pwd",3)==0)
{
ftp_pwd(control_sockfd);
}
if(strncmp(cmd,"mkdir",5)==0)
{
char path[60];
zeromery(path,60);
printf("创建的路径名: ");
scanf("%s",path);
printf("s\n",path);
ftp_creat_mkd(path,control_sockfd);
}
if(strncmp(cmd,"back",4)==0)
{
ftp_back(control_sockfd);
ftp_pwd(control_sockfd);
}
if(strncmp(cmd,"cd",2)==0)
{
int i;
char path[60];
zeromery(path,60);
printf("要到的路径：");
scanf("%s",path);
printf("%s\n",path);
ftp_changdir(path,control_sockfd);
}
if(strncmp(cmd,"get",3)==0)
{
ftp_pwd(control_sockfd);
ftp_download(control_sockfd);
}
if(strncmp(cmd,"up",3)==0)
{
ftp_pwd(control_sockfd);
ftp_up(control_sockfd);
}
if(strncmp(cmd,"quit",4)==0)
{
printf("bye^_^\n");
close(control_sockfd);
break;
}
printf("支持 list,pwd,mkdir,back,cd,up,get\n");
}
}
else if(login_yes==0)
{
int i;//不成功登录下最多还有两次机会，如果不能在两次登录，则，关闭链接。
printf("Can not login vsftpd");
for(i=2;i>0;i--)
{
printf("你还有 %d 登录机会\n",i);
login();
if(login_yes==1)
{
goto comm;
}
}
if(i==0)
{
printf("你不能在登录！\n");
close(control_sockfd);
}
}
else if (strncmp(cmd,"quit",4)==0)
{
ftp_quit(control_sockfd);
close(control_sockfd);
}
}
return 0;
}
