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Code

s3:winbind: Set local and remote addresses in the crafted dcesrv_conn

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Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Samuel Cabrero 2022-02-17 12:29:12 +01:00 committed by Jeremy Allison
parent 0dbdc27604
commit c957d2dd77
1 changed files with 55 additions and 0 deletions
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55
source3/winbindd/winbindd_dual_ndr.c
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@ -35,6 +35,7 @@
#include "rpc_server/rpc_config.h"
#include "rpc_server/rpc_server.h"
#include "rpc_dce.h"
#include "lib/tsocket/tsocket.h"
struct wbint_bh_state {
struct winbindd_domain *domain;
@ -449,6 +450,55 @@ fail:
return status;
}
static NTSTATUS set_remote_addresses(struct dcesrv_connection *conn,
int sock)
{
struct sockaddr_storage st = { 0 };
struct sockaddr *sar = (struct sockaddr *)&st;
struct tsocket_address *remote = NULL;
struct tsocket_address *local = NULL;
socklen_t sa_len = sizeof(st);
NTSTATUS status;
int ret;
ZERO_STRUCT(st);
ret = getpeername(sock, sar, &sa_len);
if (ret != 0) {
status = map_nt_error_from_unix(ret);
DBG_ERR("getpeername failed: %s", nt_errstr(status));
return status;
}
ret = tsocket_address_bsd_from_sockaddr(conn, sar, sa_len, &remote);
if (ret != 0) {
status = map_nt_error_from_unix(ret);
DBG_ERR("tsocket_address_bsd_from_sockaddr failed: %s",
nt_errstr(status));
return status;
}
ZERO_STRUCT(st);
ret = getsockname(sock, sar, &sa_len);
if (ret != 0) {
status = map_nt_error_from_unix(ret);
DBG_ERR("getsockname failed: %s", nt_errstr(status));
return status;
}
ret = tsocket_address_bsd_from_sockaddr(conn, sar, sa_len, &local);
if (ret != 0) {
status = map_nt_error_from_unix(ret);
DBG_ERR("tsocket_address_bsd_from_sockaddr failed: %s",
nt_errstr(status));
return status;
}
conn->local_address = talloc_move(conn, &local);
conn->remote_address = talloc_move(conn, &remote);
return NT_STATUS_OK;
}
/* initialise a wbint binding handle */
struct dcerpc_binding_handle *wbint_binding_handle(TALLOC_CTX *mem_ctx,
struct winbindd_domain *domain,
@ -510,6 +560,11 @@ enum winbindd_result winbindd_dual_ndrcmd(struct winbindd_domain *domain,
goto out;
}
status = set_remote_addresses(dcesrv_conn, state->sock);
if (!NT_STATUS_IS_OK(status)) {
goto out;
}
dcesrv_call = talloc_zero(dcesrv_conn, struct dcesrv_call_state);
if (dcesrv_call == NULL) {
status = NT_STATUS_NO_MEMORY;