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r4640: first stage in the server side support for multiple context_ids on one pipe

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this stage does the following:

 - simplifies the dcerpc_handle handling, and all the callers of it

 - split out the context_id depenent state into a linked list of established contexts

 - fixed some talloc handling in several rpc servers that i noticed while doing the above
(This used to be commit fde042b3fc)
This commit is contained in:
Andrew Tridgell
2005-01-10 12:15:26 +00:00
committed by Gerald (Jerry) Carter
parent 3136462ea9
commit 577218b2ad
15 changed files with 217 additions and 256 deletions
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44
source4/rpc_server/handles.c
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@@ -24,58 +24,62 @@
#include "dlinklist.h"
#include "rpc_server/dcerpc_server.h"
/*
destroy a rpc handle
*/
static int dcesrv_handle_destructor(void *ptr)
{
struct dcesrv_handle *h = ptr;
if (h->destroy) {
h->destroy(h->context, h);
}
DLIST_REMOVE(h->context->handles, h);
talloc_free(h);
return 0;
}
/*
allocate a new rpc handle
*/
struct dcesrv_handle *dcesrv_handle_new(struct dcesrv_connection *dce_conn,
struct dcesrv_handle *dcesrv_handle_new(struct dcesrv_connection_context *context,
uint8_t handle_type)
{
struct dcesrv_handle *h;
h = talloc_p(dce_conn, struct dcesrv_handle);
h = talloc_p(context, struct dcesrv_handle);
if (!h) {
return NULL;
}
h->data = NULL;
h->destroy = NULL;
h->context = context;
h->wire_handle.handle_type = handle_type;
h->wire_handle.uuid = GUID_random();
DLIST_ADD(dce_conn->handles, h);
DLIST_ADD(context->handles, h);
talloc_set_destructor(h, dcesrv_handle_destructor);
return h;
}
/*
destroy a rpc handle
*/
void dcesrv_handle_destroy(struct dcesrv_connection *dce_conn,
struct dcesrv_handle *h)
{
if (h->destroy) {
h->destroy(dce_conn, h);
}
DLIST_REMOVE(dce_conn->handles, h);
talloc_free(h);
}
/*
find an internal handle given a wire handle. If the wire handle is NULL then
allocate a new handle
*/
struct dcesrv_handle *dcesrv_handle_fetch(struct dcesrv_connection *dce_conn,
struct dcesrv_handle *dcesrv_handle_fetch(struct dcesrv_connection_context *context,
struct policy_handle *p,
uint8_t handle_type)
{
struct dcesrv_handle *h;
if (policy_handle_empty(p)) {
return dcesrv_handle_new(dce_conn, handle_type);
return dcesrv_handle_new(context, handle_type);
}
for (h=dce_conn->handles; h; h=h->next) {
for (h=context->handles; h; h=h->next) {
if (h->wire_handle.handle_type == p->handle_type &&
GUID_equal(&p->uuid, &h->wire_handle.uuid)) {
if (handle_type != DCESRV_HANDLE_ANY &&