Hello,
I want to implement our engine in a dynamic way. I have build an dynamic engine
library. When I want
to load this library with this command I get an error during the engine bind process.
openssl engine dynamic -pre SO_PATH:/usr/lib/dyn_cluster_labs.so -pre ID:cluster_labs
-pre LOAD
The log of this command is the following:
(dynamic) Dynamic engine loading support
cmd = 200
i = 0
p = /usr/lib/dyn_cluster_labs.so
[Success]: SO_PATH:/usr/lib/dyn_cluster_labs.so
cmd = 202
i = 0
p = cluster_labs
[Success]: ID:cluster_labs
cmd = 204
i = 0
p = (null)
[Failure]: LOAD
18559:error:260B606D:engine routines:DYNAMIC_LOAD:init failed:eng_dyn.c:428:
I have seen that this error is caused by the function macro
"IMPLEMENT_DYNAMIC_BIND_FN" in engine.h.
The command "CRYPTO_set_mem_functions" returns with zero because "allow_customize" is
zero. I have
called this function macro in the dynamic library with:
#ifdef ENGINE_DYNAMIC_SUPPORT
static int bind_fn(ENGINE *e, const char *id)
{
if(id && (strcmp(id, engine_cluster_labs_id) != 0))
return 0;
if(!bind_helper(e))
return 0;
return 1;
}
IMPLEMENT_DYNAMIC_CHECK_FN()
IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
#endif /* ENGINE_DYNAMIC_SUPPORT */
Is there a general error in the allocation process or is this only in my code? I have
tested this
with the beta2 of openssl-0.9.7.
Jan
____________________________________________________________________
Ps: I have seen some small errors in the README.ENGINE
instead of:
openssl engine dynamic \
-pre SO_PATH:/lib/libfoo.so \
-pre ENGINE_ID:foo \
-pre LOAD \
-pre "CMD_FOO:some input data"
must be:
-pre ID:foo \
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