[Bug 48669] New: iphlpapi.NotifyUnicastIpAddressChange() should call the callback initially if requested (required for Far Cry 5 online mode)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48669

            Bug ID: 48669
           Summary: iphlpapi.NotifyUnicastIpAddressChange() should call
                    the callback initially if requested (required for Far
                    Cry 5 online mode)
           Product: Wine
           Version: 5.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: iphlpapi
          Assignee: wine-bugs at winehq.org
          Reporter: gofmanp at gmail.com
      Distribution: ---

Created attachment 66526
  --> https://bugs.winehq.org/attachment.cgi?id=66526
Patch

Far Cry 5 fails to connect to online mode due to the missing part of
initialization which is done from NotifyUnicastIpAddressChange() callback. The
callback is supposed to be called right away if InitialNotification flag is
set.

The attached patch fixes the issue.

Far Cry 5 online mode also requires BCryptSecretAgreement(ECDH) and
BCryptDeriveKey(KDF_HASH, SHA1 hash) implementation, which is Bug #47699.

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