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45 lines
1.3 KiB
45 lines
1.3 KiB
14 years ago
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=pod
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=head1 NAME
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SSL_free - free an allocated SSL structure
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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void SSL_free(SSL *ssl);
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=head1 DESCRIPTION
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SSL_free() decrements the reference count of B<ssl>, and removes the SSL
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structure pointed to by B<ssl> and frees up the allocated memory if the
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reference count has reached 0.
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=head1 NOTES
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SSL_free() also calls the free()ing procedures for indirectly affected items, if
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applicable: the buffering BIO, the read and write BIOs,
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cipher lists specially created for this B<ssl>, the B<SSL_SESSION>.
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Do not explicitly free these indirectly freed up items before or after
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calling SSL_free(), as trying to free things twice may lead to program
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failure.
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The ssl session has reference counts from two users: the SSL object, for
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which the reference count is removed by SSL_free() and the internal
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session cache. If the session is considered bad, because
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L<SSL_shutdown(3)|SSL_shutdown(3)> was not called for the connection
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and L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> was not used to set the
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SSL_SENT_SHUTDOWN state, the session will also be removed
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from the session cache as required by RFC2246.
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=head1 RETURN VALUES
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SSL_free() does not provide diagnostic information.
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L<SSL_new(3)|SSL_new(3)>, L<SSL_clear(3)|SSL_clear(3)>,
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L<SSL_shutdown(3)|SSL_shutdown(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
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L<ssl(3)|ssl(3)>
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=cut
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