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Fix auto-discovery of ENGINEs. See the CHANGES entry for details (and/or

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ticket #1668).

PR: 1668
Submitted by: Ian Lister
Reviewed by: Geoff Thorpe
This commit is contained in:
Geoff Thorpe
2008-04-28 21:39:09 +00:00
parent 5ee6f96cea
commit e7b097f558
2 changed files with 16 additions and 4 deletions
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12
CHANGES
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@@ -681,6 +681,18 @@
Changes between 0.9.8g and 0.9.8h [xx XXX xxxx]
*) Reverse ENGINE-internal logic for caching default ENGINE handles.
This was broken until now in 0.9.8 releases, such that the only way
a registered ENGINE could be used (assuming it initialises
successfully on the host) was to explicitly set it as the default
for the relevant algorithms. This is in contradiction with 0.9.7
behaviour and the documentation. With this fix, when an ENGINE is
registered into a given algorithm's table of implementations, the
'uptodate' flag is reset so that auto-discovery will be used next
time a new context for that algorithm attempts to select an
implementation.
[Ian Lister (tweaked by Geoff Thorpe)]
*) Update the GMP engine glue to do direct copies between BIGNUM and
mpz_t when openssl and GMP use the same limb size. Otherwise the
existing "conversion via a text string export" trick is still used.

8
crypto/engine/eng_table.c
View File

@@ -143,7 +143,7 @@ int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
{
fnd = OPENSSL_malloc(sizeof(ENGINE_PILE));
if(!fnd) goto end;
fnd->uptodate = 0;
fnd->uptodate = 1;
fnd->nid = *nids;
fnd->sk = sk_ENGINE_new_null();
if(!fnd->sk)
@@ -160,7 +160,7 @@ int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
if(!sk_ENGINE_push(fnd->sk, e))
goto end;
/* "touch" this ENGINE_PILE */
fnd->uptodate = 1;
fnd->uptodate = 0;
if(setdefault)
{
if(!engine_unlocked_init(e))
@@ -172,6 +172,7 @@ int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
if(fnd->funct)
engine_unlocked_finish(fnd->funct, 0);
fnd->funct = e;
fnd->uptodate = 1;
}
nids++;
}
@@ -187,8 +188,7 @@ static void int_unregister_cb(ENGINE_PILE *pile, ENGINE *e)
while((n = sk_ENGINE_find(pile->sk, e)) >= 0)
{
(void)sk_ENGINE_delete(pile->sk, n);
/* "touch" this ENGINE_CIPHER */
pile->uptodate = 1;
pile->uptodate = 0;
}
if(pile->funct == e)
{