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https://issues.apache.org/jira/browse/PROTON-1665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Conway reassigned PROTON-1665:
-----------------------------------
Assignee: (was: Alan Conway)
> Review locking - TLS / SSL thread safety with proactor
> ------------------------------------------------------
>
> Key: PROTON-1665
> URL: https://issues.apache.org/jira/browse/PROTON-1665
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: proton-c-0.18.0
> Reporter: Alan Conway
> Priority: Major
> Labels: tls
> Fix For: proton-c-future
>
>
> ssl_domain objects are semi-global.
> For example two connections simultaneously creating or releasing their own
> private pn_ssl_t objects may mess up the refcount of the shared
> pn_ssl_domain_t object leading to memory corruption or leaks.
> Windows schannel is further complicated by the OS internal refcounting of its
> security context thingies. That may get automatically solved by the above,
> or may require a separate JIRA to track. The same may apply to openssl.
> The obvious thread-safety issues were addressed by PROTON-1620 and the use
> of per-transport SSL objects appears to be correct and safe. However we need
> a careful review of the use of shared OpenSSL objects (related to SSL domains
> and certificate stores) to ensure they are being used safely and no
> additional locks are needed.
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