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Posted to issues@trafficserver.apache.org by "Alan M. Carroll (Created) (JIRA)" <ji...@apache.org> on 2011/11/02 14:47:32 UTC

[jira] [Created] (TS-1010) strlcpy breaks WCCP Security

strlcpy breaks WCCP Security
----------------------------

                 Key: TS-1010
                 URL: https://issues.apache.org/jira/browse/TS-1010
             Project: Traffic Server
          Issue Type: Bug
          Components: Network
    Affects Versions: 3.1.0
            Reporter: Alan M. Carroll
            Assignee: Alan M. Carroll


The requirements for WCCP security key handling are precisely those of strncpy -
* The buffer must be zero padded.
* The terminating nul must *not* be copied if the key fills the buffer.
Rather than doing something complex with strlcpy to satisfy these requirements it is much easier to simply use strncpy.

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[jira] [Resolved] (TS-1010) strlcpy breaks WCCP Security

Posted by "Alan M. Carroll (Resolved) (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/TS-1010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan M. Carroll resolved TS-1010.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 3.1.1

Changed back to strncpy.
                
> strlcpy breaks WCCP Security
> ----------------------------
>
>                 Key: TS-1010
>                 URL: https://issues.apache.org/jira/browse/TS-1010
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Network
>    Affects Versions: 3.1.0
>            Reporter: Alan M. Carroll
>            Assignee: Alan M. Carroll
>              Labels: wccp
>             Fix For: 3.1.1
>
>
> The requirements for WCCP security key handling are precisely those of strncpy -
> * The buffer must be zero padded.
> * The terminating nul must *not* be copied if the key fills the buffer.
> Rather than doing something complex with strlcpy to satisfy these requirements it is much easier to simply use strncpy.

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