DO NOT REPLY [Bug 5607] New: 3.0.2 client won't cooperate with2.6.9 server - Tools

This is a discussion on DO NOT REPLY [Bug 5607] New: 3.0.2 client won't cooperate with2.6.9 server - Tools ; https://bugzilla.samba.org/show_bug.cgi?id=5607 Summary: 3.0.2 client won't cooperate with 2.6.9 server Product: rsync Version: 3.0.2 Platform: x86 OS/Version: Linux Status: NEW Severity: major Priority: P3 Component: core AssignedTo: wayned@samba.org ReportedBy: andreas.bolsch@alumni.tu-berlin.de QAContact: rsync-qa@samba.org Server: rsync version 2.6.9 protocol version 29 Client: rsync ...

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Thread: DO NOT REPLY [Bug 5607] New: 3.0.2 client won't cooperate with2.6.9 server

  1. DO NOT REPLY [Bug 5607] New: 3.0.2 client won't cooperate with2.6.9 server

    https://bugzilla.samba.org/show_bug.cgi?id=5607

    Summary: 3.0.2 client won't cooperate with 2.6.9 server
    Product: rsync
    Version: 3.0.2
    Platform: x86
    OS/Version: Linux
    Status: NEW
    Severity: major
    Priority: P3
    Component: core
    AssignedTo: wayned@samba.org
    ReportedBy: andreas.bolsch@alumni.tu-berlin.de
    QAContact: rsync-qa@samba.org


    Server: rsync version 2.6.9 protocol version 29
    Client: rsync version 3.0.2 protocol version 30

    Command line:
    =============
    rsync -aiHOvvvvvvvv --no-implied-dirs -e ssh --filter '+ files/**/.htaccess'
    --filter '+ */' --filter '- files/**' --delete-after --max-delete 8
    /home/abc/def/www/_ghi/ abc12345@homepages.xyz.de:/home/abc12345/public_html

    Before update of client (mirror source) from 2.6.9 to 3.0.2:
    ================================================== ==========
    cmd[0]=ssh cmd[1]=-l cmd[2]=abc12345 cmd[3]=homepages.xyz.de cmd[4]=rsync
    cmd[5]=--server cmd[6]=-vvvvvlOHogDtpr cmd[7]=--log-format=%i
    cmd[8]=--max-delete=8 cmd[9]=--delete cmd[10]=--delete-after cmd[11]=.
    cmd[12]=/home/abc12345/public_html
    opening connection using ssh -l abc12345 homepages.xyz.de rsync --server
    -vvvvvlOHogDtpr "--log-format=%i" --max-delete=8 --delete --delete-after .
    /home/abc12345/public_html

    (Client) Protocol versions: remote=29, negotiated=29

    After update of client:
    =======================
    cmd[0]=ssh cmd[1]=-l cmd[2]=abc12345 cmd[3]=homepages.xyz.de cmd[4]=rsync
    cmd[5]=--server cmd[6]=-vvvvvvvvlOHogDtpre.i cmd[7]=--log-format=%i
    cmd[8]=--max-delete=8 cmd[9]=--delete-after cmd[10]=.
    cmd[11]=/home/hg14363/public_html
    opening connection using: ssh -l abc12345 homepages.xyz.de rsync --server
    -vvvvvvvvlOHogDtpre.i "--log-format=%i" --max-delete=8 --delete-after .
    /home/abc12345/public_html
    note: iconv_open("ISO-8859-15", "ISO-8859-15") succeeded.

    insecure -e option not allowed.
    This account is restricted by rssh.
    Allowed commands: scp sftp rsync

    If you believe this is in error, please contact your system administrator.

    rsync: connection unexpectedly closed (0 bytes received so far) [sender]

    ================================================== =============================
    Apparently the 2.6.9 server gets confused by the "e." option in cmd[6]. After
    commenting out addition of "e." in options.c:server_options() everythings works
    as before.


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  2. DO NOT REPLY [Bug 5607] 3.0.2 client won't cooperate with 2.6.9server

    https://bugzilla.samba.org/show_bug.cgi?id=5607


    matt@mattmccutchen.net changed:

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




    ------- Comment #1 from matt@mattmccutchen.net 2008-07-10 16:46 CST -------
    Note this message:

    > insecure -e option not allowed.
    > This account is restricted by rssh.


    I.e., the error is coming not from the rsync server but from a restricted-rsync
    wrapper that rejects the -e option. That option is perfectly safe for rsync
    servers, so the wrapper should be updated to allow it. See this thread:

    http://lists.samba.org/archive/rsync...ch/020441.html


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  3. DO NOT REPLY [Bug 5607] 3.0.2 client won't cooperate with 2.6.9server

    https://bugzilla.samba.org/show_bug.cgi?id=5607





    ------- Comment #2 from wayned@samba.org 2008-07-10 17:01 CST -------
    As the thread that Matt pointed out mentions, -e is completely safe as long as
    the command has the --server option. The rrsync script requires it to be the
    first option on the command-line, which is an easy check and works for normal
    cases (and can even work with someone who is passing --rsync-path="rsync
    --options" as long as the user specifies their own --server option as the first
    option).

    One thing that rsync 3 could be improved to do is to omit that "e..." sequence
    if --protocol=29 is specified. That would at least make it easy for a user to
    communicate with an overly restrictive server that won't update their software.


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  4. DO NOT REPLY [Bug 5607] 3.0.2 client won't cooperate with 2.6.9server

    https://bugzilla.samba.org/show_bug.cgi?id=5607





    ------- Comment #3 from wayned@samba.org 2008-07-10 17:13 CST -------
    Created an attachment (id=3403)
    --> (https://bugzilla.samba.org/attachmen...03&action=view)
    Make --protocol=29 option disable sending of -e... to the server

    With this patch, you can specify --protocol=29 to and rsync 3 client and won't
    send the -e... flags. Thoughts?


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  5. DO NOT REPLY [Bug 5607] 3.0.2 client won't cooperate with 2.6.9server

    https://bugzilla.samba.org/show_bug.cgi?id=5607





    ------- Comment #4 from andreas.bolsch@alumni.tu-berlin.de 2008-07-11 00:50 CST -------
    (In reply to comment #3)
    > Created an attachment (id=3403)

    --> (https://bugzilla.samba.org/attachmen...03&action=view) [edit]
    > Make --protocol=29 option disable sending of -e... to the server
    >
    > With this patch, you can specify --protocol=29 to and rsync 3 client and won't
    > send the -e... flags. Thoughts?
    >


    This seems to be a feasible option when the user is not allowed to update the
    server / wrapper.


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  6. DO NOT REPLY [Bug 5607] Add a way to elide the client's use of -eto the server

    https://bugzilla.samba.org/show_bug.cgi?id=5607


    wayned@samba.org changed:

    What |Removed |Added
    ----------------------------------------------------------------------------
    Severity|major |enhancement
    Status|RESOLVED |REOPENED
    Resolution|INVALID |
    Summary|3.0.2 client won't cooperate|Add a way to elide the
    |with 2.6.9 server |client's use of -e to the
    | |server




    ------- Comment #5 from wayned@samba.org 2008-07-11 11:37 CST -------
    Since the -e flags to the server are only used in protocol 30, attaching this
    side effect to the --protocol=29 flag is a safe way to go.


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  7. DO NOT REPLY [Bug 5607] Add a way to elide the client's use of -eto the server

    https://bugzilla.samba.org/show_bug.cgi?id=5607


    wayned@samba.org changed:

    What |Removed |Added
    ----------------------------------------------------------------------------
    Status|REOPENED |RESOLVED
    Resolution| |FIXED




    ------- Comment #6 from wayned@samba.org 2008-07-11 11:47 CST -------
    This change is now in the git repository.


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