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user456132

Member

Registered: 2022-08-01

Posts: 14

[SOLVED] Reading mounted curlftpfs directory results in error

I want to mount a remote FTP directory in linux. One of the main tools I found is curlftpfs.

However, when I mount the remote FTP directory and try to read its contents, I get the following error:

    $ curlftpfs -o allow_other ftp://test.rebex.net testftp                                                                                
    $ ls testftp 
    ls: reading directory 'testftp': Input/output error

test.rebex.net is a publicly available FTP server. I also tried with several other servers and a private one, and got the same error. Using root, options like "ssl", "ftp_port=-", fully disabling firewall, running on a fresh new arch/manjaro system didn't help. Still, I can connect to those servers using filezilla or ftp tool.

The output when running with debug (-d) option (full output, not redacted or truncated):

    $ curlftpfs -d ftp://test.rebex.net testftp
    FUSE library version: 2.9.9
    nullpath_ok: 0
    nopath: 0
    utime_omit_ok: 0
    unique: 2, opcode: INIT (26), nodeid: 0, insize: 104, pid: 0
    INIT: 7.39
    flags=0x73fffffb
    max_readahead=0x00020000
       INIT: 7.19
       flags=0x00000011
       max_readahead=0x00020000
       max_write=0x00020000
       max_background=0
       congestion_threshold=0
       unique: 2, success, outsize: 40

curlftpfs version used is 0.9.2

What could be the problem?
Thanks in advance!

Last edited by user456132 (2024-02-03 10:02:13)

user456132

Member

Registered: 2022-08-01

Posts: 14

Re: [SOLVED] Reading mounted curlftpfs directory results in error

It seems like curlftpfs does not support the newer standartized FTP command MLSD used to retrieve the directory list. Some servers (like the test.rebex.net) most likely do not support the older (and not standartized) LIST -a command. There are forks of curlftpfs supporting MLSD command (like this), but I have not tried them.

Instead, I found an alternative for myself, rclone. It supports FUSE and FTP, and uses MLSD command.