openssh bugs - May 2013 - [Bug 2106] New: When TZ isn't explicitly set ls can give different time stamps

https://bugzilla.mindrot.org/show_bug.cgi?id=2106

            Bug ID: 2106
           Summary: When TZ isn't explicitly set ls can give different
                    time stamps
    Classification: Unclassified
           Product: Portable OpenSSH
           Version: 5.3p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: sftp
          Assignee: unassigned-bugs at mindrot.org
          Reporter: dave.clarke at hfit.com

When I do an ls -ltr with no arguments I get a listing for a file
saying something like

sftp> ls -ltr
:
-rw-rw-rw-   1 user     group       10466 May 14 20:42 P1.XXXX
:

However when I list the file explicitly

sftp> ls -ltr P1.XXXXX
-rw-rw-rw-    0 0        0           10466 May 14 15:42 P1.XXXXX

sftp> ls -l P1.XXXXX
-rw-rw-rw-    0 0        0           10466 May 14 15:42 P1.XXXXX

The SFTP Server and Client are both in CDT timezone though the TZ
environment variable isn't set and the 20:42 is obviously the UT time

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Darren Tucker <dtucker at zip.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dtucker at zip.com.au
             Blocks|                            |2076

--- Comment #1 from Darren Tucker <dtucker at zip.com.au> ---
reproduced with 6.2p2.

also the uid->name lookups and link counts are broken in the second
example.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
Created attachment 2312
  --> https://bugzilla.mindrot.org/attachment.cgi?id=2312&action=edit
call tzset() for sftp-server and before chroot in sshd

The difference between "ls -ltr" and "ls -ltr FILENAME" is
that the
first uses the longname from the server and the second synthesises the
line on the client. 

uid->name and link counts aren't supported by our dialect of the sftp
protocol. They are only listed in the "longname" element in the sftp
dirent struct, so they are expected to be wrong in the
locally-generated version.

The time shouldn't be wrong though - the server generates the
longname's time using localtime() and strftime(). Perhaps it needs a
tzset() first? Someone has reported a similar problem a while ago on
for chrooted sftp and IIRC a similar patch to this helped.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |2130

--- Comment #3 from Damien Miller <djm at mindrot.org> ---
Retarget to openssh-6.4

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|2076                        |

--- Comment #4 from Damien Miller <djm at mindrot.org> ---
Retarget 6.3 -> 6.4

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--- Comment #5 from Damien Miller <djm at mindrot.org> ---
btw, I'm not going to apply this patch until someone reports that it
solves their problems.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |2188

--- Comment #6 from Damien Miller <djm at mindrot.org> ---
Retarget incomplete bugs / feature requests to 6.6 release

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|2130                        |

--- Comment #7 from Damien Miller <djm at mindrot.org> ---
Retarget incomplete bugs / feature requests to 6.6 release

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |2226

--- Comment #8 from Damien Miller <djm at mindrot.org> ---
Retarget to 6.7 release, since 6.6 was mostly bugfixing.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|2188                        |

--- Comment #9 from Damien Miller <djm at mindrot.org> ---
Remove from 6.6 tracking bug

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|2226                        |

--- Comment #10 from Damien Miller <djm at mindrot.org> ---
remove target until someone who can replicate this tests the fine
patch.

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WORKSFORME
             Status|NEW                         |RESOLVED

--- Comment #11 from Damien Miller <djm at mindrot.org> ---
No followup for 5 years == no bug

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #12 from Damien Miller <djm at mindrot.org> ---
Closing all resolved bug with release of openssh-8.2

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