/*
* FtpAccess - return a handle for a data stream
*
* return 1 if successful, 0 otherwise
*/
GLOBALDEF int FtpAccess (const char *path, int typ, int mode, netbuf *nControl,
netbuf **nData) {
char buf[256];
int dir;
if ((path == NULL) &&
((typ == FTPLIB_FILE_WRITE) || (typ == FTPLIB_FILE_READ))) {
sprintf(nControl->response,
"Missing path argument for file transfer\n");
return 0;
}
sprintf(buf, "TYPE %c", mode);
if (!FtpSendCmd(buf, '2', nControl))
return 0;
switch (typ) {
case FTPLIB_DIR:
strcpy(buf, "NLST");
dir = FTPLIB_READ;
break;
case FTPLIB_DIR_VERBOSE:
strcpy(buf, "LIST");
dir = FTPLIB_READ;
break;
case FTPLIB_FILE_READ:
strcpy(buf, "RETR");
dir = FTPLIB_READ;
break;
case FTPLIB_FILE_WRITE:
strcpy(buf, "STOR");
dir = FTPLIB_WRITE;
break;
default:
sprintf(nControl->response, "Invalid open type %d\n", typ);
return 0;
}
if (path != NULL) {
int i = strlen(buf);
buf[i++] = ' ';
if ((strlen(path) + i) >= sizeof (buf))
return 0;
strcpy(&buf[i], path);
}
if (FtpOpenPort(nControl, nData, mode, dir) == -1)
return 0;
if (!FtpSendCmd(buf, '1', nControl)) {
FtpClose(*nData);
*nData = NULL;
return 0;
}
(*nData)->ctrl = nControl;
nControl->data = *nData;
if (nControl->cmode == FTPLIB_PORT) {
if (!FtpAcceptConnection(*nData, nControl)) {
FtpClose(*nData);
*nData = NULL;
nControl->data = NULL;
return 0;
}
}
return 1;
}
static int FtpOpenData(stream_t* s,size_t newpos) {
struct stream_priv_s* p = s->priv;
int resp;
char str[256],rsp_txt[256];
// Open a new connection
s->fd = FtpOpenPort(p);
if(s->fd < 0) return 0;
if(newpos > 0) {
snprintf(str,255,"REST %"PRId64, (int64_t)newpos);
resp = FtpSendCmd(str,p,rsp_txt);
if(resp != 3) {
mp_msg(MSGT_OPEN,MSGL_WARN, "[ftp] command '%s' failed: %s\n",str,rsp_txt);
newpos = 0;
}
}
// Get the file
snprintf(str,255,"RETR %s",p->filename);
resp = FtpSendCmd(str,p,rsp_txt);
if(resp != 1) {
mp_msg(MSGT_OPEN,MSGL_ERR, "[ftp] command '%s' failed: %s\n",str,rsp_txt);
return 0;
}
s->pos = newpos;
return 1;
}