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Fixed #4993: Allow uninitialized bio socket in transport_bio_simple_uninit

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When the TLS connection is aborted early (certificate issues, ...)
the bio simple socket might not have been initialized.
Do not access the NULL pointer on cleanup.
This commit is contained in:
Armin Novak
2018-11-07 17:01:28 +01:00
parent cf43406dc3
commit 5eca5ebde8
1 changed files with 2 additions and 2 deletions
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4
libfreerdp/core/tcp.c
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@@ -380,7 +380,7 @@ static int transport_bio_simple_uninit(BIO* bio)
if (BIO_get_shutdown(bio))
{
if (BIO_get_init(bio))
if (BIO_get_init(bio) && ptr)
{
_shutdown(ptr->socket, SD_BOTH);
closesocket(ptr->socket);
@@ -388,7 +388,7 @@ static int transport_bio_simple_uninit(BIO* bio)
}
}
if (ptr->hEvent)
if (ptr && ptr->hEvent)
{
CloseHandle(ptr->hEvent);
ptr->hEvent = NULL;