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Posted to issues@commons.apache.org by "Damien Raude-Morvan (JIRA)" <ji...@apache.org> on 2010/07/28 19:34:16 UTC

[jira] Created: (DAEMON-168) [daemon][jsvc] Handling of capabilities should use libcap

[daemon][jsvc] Handling of capabilities should use libcap
---------------------------------------------------------

                 Key: DAEMON-168
                 URL: https://issues.apache.org/jira/browse/DAEMON-168
             Project: Commons Daemon
          Issue Type: Improvement
          Components: Jsvc
    Affects Versions: 1.0.2
         Environment: Debian Unstable
            Reporter: Damien Raude-Morvan
         Attachments: old_capabilities.diff

Hi,

[For full story, please see here : http://bugs.debian.org/412690]

As 1.0.2 release, jsvc component use a syscall to handle capabilities settings.
Here is an example in src/native/unix/native/jsvc-unix.c:
  if (syscall(__NR_capset, &caphead, &cap) < 0) {

It's not recommended usage of capabilities since ABI/API can change at each kernel release.
And in fact, it's already changed and kernel handle some backward compat layer like described here :
http://marc.info/?l=linux-kernel&m=120883245227970&w=2

For now, I'm forced to patch jsvc to force usage of the backward compatibility layer.
(see attached patch)

Cheers,
-- 
Damien Raude-Morvan

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[jira] Updated: (DAEMON-168) [daemon][jsvc] Handling of capabilities should use libcap

Posted by "Mladen Turk (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DAEMON-168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mladen Turk updated DAEMON-168:
-------------------------------

    Fix Version/s: 1.0.3
                       (was: 1.0.2)

> [daemon][jsvc] Handling of capabilities should use libcap
> ---------------------------------------------------------
>
>                 Key: DAEMON-168
>                 URL: https://issues.apache.org/jira/browse/DAEMON-168
>             Project: Commons Daemon
>          Issue Type: Improvement
>          Components: Jsvc
>    Affects Versions: 1.0.2
>         Environment: Debian Unstable
>            Reporter: Damien Raude-Morvan
>             Fix For: 1.0.3
>
>         Attachments: old_capabilities.diff
>
>
> Hi,
> [For full story, please see here : http://bugs.debian.org/412690]
> As 1.0.2 release, jsvc component use a syscall to handle capabilities settings.
> Here is an example in src/native/unix/native/jsvc-unix.c:
>   if (syscall(__NR_capset, &caphead, &cap) < 0) {
> It's not recommended usage of capabilities since ABI/API can change at each kernel release.
> And in fact, it's already changed and kernel handle some backward compat layer like described here :
> http://marc.info/?l=linux-kernel&m=120883245227970&w=2
> For now, I'm forced to patch jsvc to force usage of the backward compatibility layer.
> (see attached patch)
> Cheers,
> -- 
> Damien Raude-Morvan

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[jira] Commented: (DAEMON-168) [daemon][jsvc] Handling of capabilities should use libcap

Posted by "Mladen Turk (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DAEMON-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893682#action_12893682 ] 

Mladen Turk commented on DAEMON-168:
------------------------------------

Fixed in the trunk by using libcap.
Can you guys check the head and see if it works for you.


> [daemon][jsvc] Handling of capabilities should use libcap
> ---------------------------------------------------------
>
>                 Key: DAEMON-168
>                 URL: https://issues.apache.org/jira/browse/DAEMON-168
>             Project: Commons Daemon
>          Issue Type: Improvement
>          Components: Jsvc
>    Affects Versions: 1.0.2
>         Environment: Debian Unstable
>            Reporter: Damien Raude-Morvan
>         Attachments: old_capabilities.diff
>
>
> Hi,
> [For full story, please see here : http://bugs.debian.org/412690]
> As 1.0.2 release, jsvc component use a syscall to handle capabilities settings.
> Here is an example in src/native/unix/native/jsvc-unix.c:
>   if (syscall(__NR_capset, &caphead, &cap) < 0) {
> It's not recommended usage of capabilities since ABI/API can change at each kernel release.
> And in fact, it's already changed and kernel handle some backward compat layer like described here :
> http://marc.info/?l=linux-kernel&m=120883245227970&w=2
> For now, I'm forced to patch jsvc to force usage of the backward compatibility layer.
> (see attached patch)
> Cheers,
> -- 
> Damien Raude-Morvan

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You can reply to this email to add a comment to the issue online.


[jira] Updated: (DAEMON-168) [daemon][jsvc] Handling of capabilities should use libcap

Posted by "Damien Raude-Morvan (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DAEMON-168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Damien Raude-Morvan updated DAEMON-168:
---------------------------------------

    Attachment: old_capabilities.diff

> [daemon][jsvc] Handling of capabilities should use libcap
> ---------------------------------------------------------
>
>                 Key: DAEMON-168
>                 URL: https://issues.apache.org/jira/browse/DAEMON-168
>             Project: Commons Daemon
>          Issue Type: Improvement
>          Components: Jsvc
>    Affects Versions: 1.0.2
>         Environment: Debian Unstable
>            Reporter: Damien Raude-Morvan
>         Attachments: old_capabilities.diff
>
>
> Hi,
> [For full story, please see here : http://bugs.debian.org/412690]
> As 1.0.2 release, jsvc component use a syscall to handle capabilities settings.
> Here is an example in src/native/unix/native/jsvc-unix.c:
>   if (syscall(__NR_capset, &caphead, &cap) < 0) {
> It's not recommended usage of capabilities since ABI/API can change at each kernel release.
> And in fact, it's already changed and kernel handle some backward compat layer like described here :
> http://marc.info/?l=linux-kernel&m=120883245227970&w=2
> For now, I'm forced to patch jsvc to force usage of the backward compatibility layer.
> (see attached patch)
> Cheers,
> -- 
> Damien Raude-Morvan

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[jira] Resolved: (DAEMON-168) [daemon][jsvc] Handling of capabilities should use libcap

Posted by "Mladen Turk (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DAEMON-168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mladen Turk resolved DAEMON-168.
--------------------------------

    Fix Version/s: 1.0.2
       Resolution: Fixed

Fixed in the trunk.
Will be part of 1.0.3

> [daemon][jsvc] Handling of capabilities should use libcap
> ---------------------------------------------------------
>
>                 Key: DAEMON-168
>                 URL: https://issues.apache.org/jira/browse/DAEMON-168
>             Project: Commons Daemon
>          Issue Type: Improvement
>          Components: Jsvc
>    Affects Versions: 1.0.2
>         Environment: Debian Unstable
>            Reporter: Damien Raude-Morvan
>             Fix For: 1.0.2
>
>         Attachments: old_capabilities.diff
>
>
> Hi,
> [For full story, please see here : http://bugs.debian.org/412690]
> As 1.0.2 release, jsvc component use a syscall to handle capabilities settings.
> Here is an example in src/native/unix/native/jsvc-unix.c:
>   if (syscall(__NR_capset, &caphead, &cap) < 0) {
> It's not recommended usage of capabilities since ABI/API can change at each kernel release.
> And in fact, it's already changed and kernel handle some backward compat layer like described here :
> http://marc.info/?l=linux-kernel&m=120883245227970&w=2
> For now, I'm forced to patch jsvc to force usage of the backward compatibility layer.
> (see attached patch)
> Cheers,
> -- 
> Damien Raude-Morvan

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You can reply to this email to add a comment to the issue online.