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tcptls: when disabling a server port, we should set the accept_fd to -1.

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If we don't set this to -1 if the structure can be potentially re-used
later then it's possible that we'll issue a close() on an unrelated file
descriptor, breaking asterisk in other interesting ways.

I believe this to be an unlikely scenario, but it costs nothing to be
safe.

Signed-off-by: Jaco Kroon <jaco@uls.co.za>
(cherry picked from commit 4a637d6d11)
This commit is contained in:
Jaco Kroon
2023-06-02 09:11:22 +02:00
committed by Asterisk Development Team
parent a6a5498b0d
commit dafa9917ff
1 changed files with 1 additions and 0 deletions
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main/tcptls.c
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@@ -837,6 +837,7 @@ void ast_tcptls_server_start(struct ast_tcptls_session_args *desc)
if (desc->accept_fd != -1) { if (desc->accept_fd != -1) {
close(desc->accept_fd); close(desc->accept_fd);
desc->accept_fd = -1;
} }
/* If there's no new server, stop here */ /* If there's no new server, stop here */