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From "Enrico Olivelli (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-1677) Misuse of INET_ADDRSTRLEN
Date Fri, 06 Sep 2019 15:43:08 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-1677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli updated ZOOKEEPER-1677:
---------------------------------------
    Fix Version/s: 3.5.7

> Misuse of INET_ADDRSTRLEN
> -------------------------
>
>                 Key: ZOOKEEPER-1677
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1677
>             Project: ZooKeeper
>          Issue Type: Bug
>    Affects Versions: 3.5.0
>            Reporter: Shevek
>            Assignee: Marshall McMullen
>            Priority: Major
>             Fix For: 3.6.0, 3.5.6, 3.5.7
>
>         Attachments: ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch,
ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch, ZOOKEEPER-1677.patch,
ZOOKEEPER-1677.patch
>
>
>     ZOOKEEPER-1355. Add zk.updateServerList(newServerList) (Alex Shraer, Marshall McMullen
via fpj)
>     
>     
>     
>     git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1410731 13f79535-47bb-0310-9956-ffa450edef68
> +int addrvec_contains(const addrvec_t *avec, const struct sockaddr_storage *addr)
> +{
> +    if (!avec || !addr)
> +    { 
> +        return 0;
> +    }
> +
> +    int i = 0;
> +    for (i = 0; i < avec->count; i++)
> +    {
> +        if(memcmp(&avec->data[i], addr, INET_ADDRSTRLEN) == 0)
> +            return 1;
> +    }
> +
> +    return 0;
> +}
> Pretty sure that should be sizeof(sockaddr_storage). INET_ADDRSTRLEN is the size of the
character buffer which needs to be allocated for the return value of inet_ntop, which seems
to be totally wrong.



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