Ondrej Holy 67f3fff2c8
winpr/crypto: Load legacy provider to fix rc4 with OpenSSL 3.0 (#7210)
* winpr/crypto: Exit cleanly when EVP_EncryptInit_ex fails

The `EVP_EncryptInit_ex` function may fail in certain configurations.
Consequently, FreeRDP segfaults in `EVP_CIPHER_CTX_set_key_length`.
Let's handle the `EVP_EncryptInit_ex` failures and exit cleanly in
such case.

* winpr/crypto: Load legacy provider to fix rc4 with OpenSSL 3.0

Currently, the `EVP_EncryptInit_ex` function fails for rc4 with OpenSSL 3.0.
This is becuase rc4 is provided by the legacy provider which is not loaded
by default. Let's explicitly load the legacy provider to make FreeRDP work
with OpenSSL 3.0.

Relates: https://github.com/openssl/openssl/issues/14392
Fixes: https://github.com/FreeRDP/FreeRDP/issues/6604
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FreeRDP: A Remote Desktop Protocol Implementation

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Enjoy the freedom of using your software wherever you want, the way you want it, in a world where interoperability can finally liberate your computing experience.

Resources

Project website: https://www.freerdp.com/
Issue tracker: https://github.com/FreeRDP/FreeRDP/issues
Sources: https://github.com/FreeRDP/FreeRDP/
Downloads: https://pub.freerdp.com/releases/
Wiki: https://github.com/FreeRDP/FreeRDP/wiki
API documentation: https://pub.freerdp.com/api/

Matrix room : #FreeRDP:matrix.org (main) XMPP channel: #FreeRDP#matrix.org@matrix.org (bridged) IRC channel : #freerdp @ irc.oftc.net (bridged) Mailing list: https://lists.sourceforge.net/lists/listinfo/freerdp-devel

Microsoft Open Specifications

Information regarding the Microsoft Open Specifications can be found at: http://www.microsoft.com/openspecifications/

A list of reference documentation is maintained here: https://github.com/FreeRDP/FreeRDP/wiki/Reference-Documentation

Compilation

Instructions on how to get started compiling FreeRDP can be found on the wiki: https://github.com/FreeRDP/FreeRDP/wiki/Compilation

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