Revision a520723f29aac6598ff0d69e34f5e9b88213e511 authored by Matt Caswell on 14 October 2016, 12:07:00 UTC, committed by Matt Caswell on 28 October 2016, 08:43:41 UTC
The previous commit inspired a review of all the length checks for the extension adding code. This adds more robust checks and adds checks where some were missing previously. The real solution for this is to use WPACKET which is currently in master - but that cannot be applied to release branches. Reviewed-by: Rich Salz <rsalz@openssl.org>
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CONF_modules_free.pod
=pod
=head1 NAME
CONF_modules_free, CONF_modules_finish, CONF_modules_unload -
OpenSSL configuration cleanup functions
=head1 SYNOPSIS
#include <openssl/conf.h>
void CONF_modules_free(void);
void CONF_modules_finish(void);
void CONF_modules_unload(int all);
=head1 DESCRIPTION
CONF_modules_free() closes down and frees up all memory allocated by all
configuration modules.
CONF_modules_finish() calls each configuration modules B<finish> handler
to free up any configuration that module may have performed.
CONF_modules_unload() finishes and unloads configuration modules. If
B<all> is set to B<0> only modules loaded from DSOs will be unloads. If
B<all> is B<1> all modules, including builtin modules will be unloaded.
=head1 NOTES
Normally applications will only call CONF_modules_free() at application to
tidy up any configuration performed.
=head1 RETURN VALUE
None of the functions return a value.
=head1 SEE ALSO
L<conf(5)|conf(5)>, L<OPENSSL_config(3)|OPENSSL_config(3)>,
L<CONF_modules_load_file(3)|CONF_modules_load_file(3)>
=head1 HISTORY
CONF_modules_free(), CONF_modules_unload(), and CONF_modules_finish()
first appeared in OpenSSL 0.9.7.
=cut
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