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From "Ashish Khare" <ashis...@gmail.com>
Subject Regarding sharing of context between input filter and output filter which are inserted by different hooks
Date Wed, 17 Dec 2008 04:31:37 GMT
Hi,

I am facing problem about how to share context between input filter and
output filter which are registered through different hooks.

Here is description of the problem:
====================

static void
mod_realsecure_register_hooks (apr_pool_t * p)
{
ap_hook_child_init (realsecure_child_init, NULL, NULL, APR_HOOK_MIDDLE);
ap_hook_create_request(realsecure_hook_insertfilter , NULL, NULL,
APR_HOOK_MIDDLE);
ap_hook_insert_filter(realsecure_hook_insertoutputfilter , NULL, NULL,
APR_HOOK_MIDDLE);
};

static int realsecure_hook_insertfilter(request_rec *r)
{
   PamReqRspCtx *ctxPam1;
   ctxPam1 = (PamReqRspCtx *)apr_palloc(r->pool,sizeof(PamReqRspCtx));
   ap_add_input_filter("REALSECURE_READ_INPUT_1", (void *) ctxPam1, r,
r->connection);
   ap_add_output_filter("REALSECURE_READ_OUTPUT_1",(void *) ctxPam1, r,
r->connection);
   return OK;
}

static void realsecure_hook_insertoutputfilter(request_rec *r)
{
   PamReqRspCtx *ctxPam2;
   ctxPam2 = (PamReqRspCtx *)apr_palloc(r->pool,sizeof(PamReqRspCtx));
   ap_add_input_filter("REALSECURE_READ_INPUT_2", (void *) ctxPam2, r,
r->connection);
   ap_add_output_filter("REALSECURE_READ_OUTPUT_2",(void *) ctxPam2, r,
r->connection);
   return OK;
}

Now my problem is the context(ctxPam1) which I have created in
realsecure_hook_insertfilter(request_rec *r)  function and stored some data
how to access that context and data (ctxPam1) in
realsecure_hook_insertoutputfilter(request_rec *r) function

Please let me know about the solution.

-Ashish

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