Previously, init_get_thread_local() pushed the thread event handler
list onto the global register before calling CRYPTO_THREAD_set_local(),
and when the latter failed, forgot to pop the list from the stack again.
Instead of cleaning the stack on error, this commit avoids the situation
entirely by postponing the push operation until all other operations
succeeded. This reordering also significantly reduces the scope of the
critical section.
Another simplification of the code is achieved by moving the push operation
onto the register (which is disabled in FIPS mode) into a separate function.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9401)
CLA: trivial
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/9288)
If a provider gets unloaded then any thread stop handlers that it had
registered will be left hanging. We should clean them up before tearing
down the provider.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9186)
This adds the ability to clean up a thread on a per OPENSSL_CTX basis.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9040)
The RAND code needs to know about threads stopping in order to cleanup
local thread data. Therefore we add a callback for libcrypto to tell
providers about such events.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9040)
This will need to be hooked up in a later commit with an event sent to
the FIPS provider informing it of thread stop events.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9040)
We're going to need some of these functions in the FIPS module, but most
of the rest of the code in init.c is not needed. Therefore we split it out.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9040)
