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https://github.com/samba-team/samba.git
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d79c7d41da
server code. This fixes a number of memory leaks I found when testing
with valgrind and smbtorture, as the cascading effect of a
talloc_free() ensures that anything derived from the top level object
is destroyed on disconnect.
(This used to be commit 76d0b8206c)
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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server side dcerpc handle code
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Copyright (C) Andrew Tridgell 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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/*
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allocate a new rpc handle
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*/
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struct dcesrv_handle *dcesrv_handle_new(struct dcesrv_connection *dce_conn,
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uint8_t handle_type)
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{
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struct dcesrv_handle *h;
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h = talloc_p(dce_conn, struct dcesrv_handle);
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if (!h) {
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return NULL;
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}
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h->data = NULL;
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h->destroy = NULL;
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h->wire_handle.handle_type = handle_type;
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uuid_generate_random(&h->wire_handle.uuid);
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DLIST_ADD(dce_conn->handles, h);
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return h;
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}
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/*
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destroy a rpc handle
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*/
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void dcesrv_handle_destroy(struct dcesrv_connection *dce_conn,
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struct dcesrv_handle *h)
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{
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if (h->destroy) {
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h->destroy(dce_conn, h);
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}
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DLIST_REMOVE(dce_conn->handles, h);
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talloc_free(h);
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}
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/*
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find an internal handle given a wire handle. If the wire handle is NULL then
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allocate a new handle
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*/
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struct dcesrv_handle *dcesrv_handle_fetch(struct dcesrv_connection *dce_conn,
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struct policy_handle *p,
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uint8_t handle_type)
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{
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struct dcesrv_handle *h;
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if (policy_handle_empty(p)) {
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return dcesrv_handle_new(dce_conn, handle_type);
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}
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for (h=dce_conn->handles; h; h=h->next) {
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if (h->wire_handle.handle_type == p->handle_type &&
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uuid_equal(&p->uuid, &h->wire_handle.uuid)) {
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if (handle_type != DCESRV_HANDLE_ANY &&
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p->handle_type != handle_type) {
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DEBUG(0,("client gave us the wrong handle type (%d should be %d)\n",
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p->handle_type, handle_type));
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return NULL;
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}
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return h;
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}
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}
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return NULL;
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}
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