static void
handle_mkd(struct vsf_session* p_sess)
{
int retval;
vsf_log_start_entry(p_sess, kVSFLogEntryMkdir);
str_copy(&p_sess->log_str, &p_sess->ftp_arg_str);
prepend_path_to_filename(&p_sess->log_str);
/* NOTE! Actual permissions will be governed by the tunable umask */
retval = str_mkdir(&p_sess->ftp_arg_str, 0777);
if (retval != 0)
{
vsf_log_do_log(p_sess, 0);
vsf_cmdio_write(p_sess, FTP_FILEFAIL,
"Create directory operation failed.");
return;
}
vsf_log_do_log(p_sess, 1);
{
static struct mystr s_mkd_res;
static struct mystr s_tmp_str;
str_copy(&s_tmp_str, &p_sess->ftp_arg_str);
prepend_path_to_filename(&s_tmp_str);
/* Double up double quotes */
str_replace_text(&s_tmp_str, "\"", "\"\"");
/* Build result string */
str_alloc_text(&s_mkd_res, "\"");
str_append_str(&s_mkd_res, &s_tmp_str);
str_append_text(&s_mkd_res, "\" created");
vsf_cmdio_write_str(p_sess, FTP_MKDIROK, &s_mkd_res);
}
}
enum EVSFPrivopLoginResult
vsf_privop_do_login(struct vsf_session* p_sess,
const struct mystr* p_pass_str)
{
enum EVSFPrivopLoginResult result =
handle_login(p_sess, &p_sess->user_str, p_pass_str);
vsf_log_start_entry(p_sess, kVSFLogEntryLogin);
if (result == kVSFLoginFail)
{
vsf_log_do_log(p_sess, 0);
if (tunable_delay_failed_login)
{
vsf_sysutil_sleep((double) tunable_delay_failed_login);
}
}
else
{
vsf_log_do_log(p_sess, 1);
if (tunable_delay_successful_login)
{
vsf_sysutil_sleep((double) tunable_delay_successful_login);
}
}
return result;
}
enum EVSFPrivopLoginResult
vsf_privop_do_login(struct vsf_session* p_sess,
const struct mystr* p_pass_str)
{
enum EVSFPrivopLoginResult result =
handle_login(p_sess, &p_sess->user_str, p_pass_str);
vsf_log_start_entry(p_sess, kVSFLogEntryLogin);
if (result == kVSFLoginFail)
{
vsf_log_do_log(p_sess, 0);
}
else
{
vsf_log_do_log(p_sess, 1);
}
return result;
}
static void
handle_upload_common(struct vsf_session* p_sess, int is_append)
{
struct vsf_transfer_ret trans_ret;
int new_file_fd;
int remote_fd;
int retval;
filesize_t offset = p_sess->restart_pos;
p_sess->restart_pos = 0;
if (!pasv_active(p_sess) && !port_active(p_sess))
{
vsf_cmdio_write(p_sess, FTP_BADSENDCONN, "Use PORT or PASV first.");
return;
}
/* NOTE - actual file permissions will be governed by the tunable umask */
/* XXX - do we care about race between create and chown() of anonymous
* upload?
*/
if (p_sess->is_anonymous && !tunable_anon_other_write_enable)
{
new_file_fd = str_create(&p_sess->ftp_arg_str);
}
else
{
/* For non-anonymous, allow open() to overwrite or append existing files */
if (!is_append && offset == 0)
{
new_file_fd = str_create_overwrite(&p_sess->ftp_arg_str);
}
else
{
new_file_fd = str_create_append(&p_sess->ftp_arg_str);
}
}
if (vsf_sysutil_retval_is_error(new_file_fd))
{
vsf_cmdio_write(p_sess, FTP_UPLOADFAIL, "Could not create file.");
return;
}
/* Are we required to chown() this file for security? */
if (p_sess->is_anonymous && tunable_chown_uploads)
{
if (tunable_one_process_model)
{
vsf_one_process_chown_upload(p_sess, new_file_fd);
}
else
{
vsf_two_process_chown_upload(p_sess, new_file_fd);
}
}
if (!is_append && offset != 0)
{
/* XXX - warning, allows seek past end of file! Check for seek > size? */
vsf_sysutil_lseek_to(new_file_fd, offset);
}
remote_fd = get_remote_transfer_fd(p_sess);
if (vsf_sysutil_retval_is_error(remote_fd))
{
goto port_pasv_cleanup_out;
}
vsf_cmdio_write(p_sess, FTP_DATACONN,
"Ok to send data.");
vsf_log_start_entry(p_sess, kVSFLogEntryUpload);
str_copy(&p_sess->log_str, &p_sess->ftp_arg_str);
prepend_path_to_filename(&p_sess->log_str);
if (tunable_ascii_upload_enable && p_sess->is_ascii)
{
trans_ret = vsf_ftpdataio_transfer_file(p_sess, remote_fd,
new_file_fd, 1, 1);
}
else
{
trans_ret = vsf_ftpdataio_transfer_file(p_sess, remote_fd,
new_file_fd, 1, 0);
}
p_sess->transfer_size = trans_ret.transferred;
/* XXX - handle failure, delete file? */
retval = dispose_remote_transfer_fd(p_sess);
/* Log _after_ the blocking dispose call, so we get transfer times right */
if (trans_ret.retval == 0 && retval == 0)
{
vsf_log_do_log(p_sess, 1);
}
else
{
vsf_log_do_log(p_sess, 0);
}
port_pasv_cleanup_out:
port_cleanup(p_sess);
pasv_cleanup(p_sess);
vsf_sysutil_close(new_file_fd);
}
static void
handle_retr(struct vsf_session* p_sess)
{
static struct mystr s_mark_str;
static struct vsf_sysutil_statbuf* s_p_statbuf;
struct vsf_transfer_ret trans_ret;
int retval;
int remote_fd;
int opened_file;
int is_ascii = 0;
filesize_t offset = p_sess->restart_pos;
p_sess->restart_pos = 0;
if (!pasv_active(p_sess) && !port_active(p_sess))
{
vsf_cmdio_write(p_sess, FTP_BADSENDCONN, "Use PORT or PASV first.");
return;
}
if (p_sess->is_ascii && offset != 0)
{
vsf_cmdio_write(p_sess, FTP_FILEFAIL,
"No support for resume of ASCII transfer.");
return;
}
opened_file = str_open(&p_sess->ftp_arg_str, kVSFSysStrOpenReadOnly);
if (vsf_sysutil_retval_is_error(opened_file))
{
vsf_cmdio_write(p_sess, FTP_FILEFAIL, "Failed to open file.");
return;
}
vsf_sysutil_fstat(opened_file, &s_p_statbuf);
/* No games please */
if (!vsf_sysutil_statbuf_is_regfile(s_p_statbuf))
{
/* Note - pretend open failed */
vsf_cmdio_write(p_sess, FTP_FILEFAIL, "Failed to open file.");
goto file_close_out;
}
/* Optionally, we'll be paranoid and only serve publicly readable stuff */
if (p_sess->is_anonymous && tunable_anon_world_readable_only &&
!vsf_sysutil_statbuf_is_readable_other(s_p_statbuf))
{
vsf_cmdio_write(p_sess, FTP_FILEFAIL, "Failed to open file.");
goto file_close_out;
}
/* Set the download offset (from REST) if any */
if (offset != 0)
{
vsf_sysutil_lseek_to(opened_file, offset);
}
remote_fd = get_remote_transfer_fd(p_sess);
if (vsf_sysutil_retval_is_error(remote_fd))
{
goto port_pasv_cleanup_out;
}
vsf_log_start_entry(p_sess, kVSFLogEntryDownload);
str_copy(&p_sess->log_str, &p_sess->ftp_arg_str);
prepend_path_to_filename(&p_sess->log_str);
str_alloc_text(&s_mark_str, "Opening ");
if (tunable_ascii_download_enable && p_sess->is_ascii)
{
str_append_text(&s_mark_str, "ASCII");
is_ascii = 1;
}
else
{
str_append_text(&s_mark_str, "BINARY");
}
str_append_text(&s_mark_str, " mode data connection for ");
str_append_str(&s_mark_str, &p_sess->ftp_arg_str);
str_append_text(&s_mark_str, " (");
str_append_filesize_t(&s_mark_str,
vsf_sysutil_statbuf_get_size(s_p_statbuf));
str_append_text(&s_mark_str, " bytes).");
vsf_cmdio_write_str(p_sess, FTP_DATACONN, &s_mark_str);
trans_ret = vsf_ftpdataio_transfer_file(p_sess, remote_fd,
opened_file, 0, is_ascii);
p_sess->transfer_size = trans_ret.transferred;
retval = dispose_remote_transfer_fd(p_sess);
/* Log _after_ the blocking dispose call, so we get transfer times right */
if (trans_ret.retval == 0 && retval == 0)
{
vsf_log_do_log(p_sess, 1);
}
else
{
vsf_log_do_log(p_sess, 0);
}
port_pasv_cleanup_out:
port_cleanup(p_sess);
pasv_cleanup(p_sess);
file_close_out:
vsf_sysutil_close(opened_file);
}
