https://bugs.kde.org/show_bug.cgi?id=510976
Bug ID: 510976
Summary: FTP has wrong modification time for older files,
hour/minute always zero
Classification: Frameworks and Libraries
Product: frameworks-kio
Version First 6.19.0
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: FTP
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY
The kio FTP client does not show the correct modified time for older files (a
year old or more).
STEPS TO REPRODUCE
1. connect to a FTP server using kio (ftp://[email protected]/)
2. open a directory with files last modified longer than a year ago
OBSERVED RESULT
The file "Modified" timestamps show hour and minute as 0 (but with a correct
date 00:00)
Copying these files will copy them with this truncated timestamp, which causes
mismatches when comparing against files copied from other FTP clients which
have accurate timestamps.
EXPECTED RESULT
The file "Modified" timestamps should show an exact hour and minute (such as
11:32).
Files copied from FTP remotes should have the correct modification timestamp.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.2
Kernel Version: 6.16.12-200.fc42.x86_64 (64-bit)
ADDITIONAL INFORMATION
My guess is that kio only uses the RFC 959 LIST command to list directories and
extracts the file timestamps from that. LIST is known to lead to inaccurate
timestamps on older files due to its human-readable format akin to `ls -l`,
see: https://stackoverflow.com/a/29027386
The correct solution would likely involve instead, or preferably, relying on
the RFC 3659 commands MLSD (lists a directory), MLST (gets details about a
specific file) or MDTM (get the modified time for a file).
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