source: trunk/server/source4/torture/rpc/countcalls.c

/* 
   Unix SMB/CIFS implementation.

   count number of calls on an interface

   Copyright (C) Andrew Tridgell 2003
   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "librpc/ndr/libndr.h"
#include "librpc/ndr/ndr_table.h"
#include "torture/rpc/torture_rpc.h"
#include "param/param.h"


        
bool count_calls(struct torture_context *tctx,
                 TALLOC_CTX *mem_ctx,
                 const struct ndr_interface_table *iface,
        bool all) 
{
        struct dcerpc_pipe *p;
        DATA_BLOB stub_in, stub_out;
        int i;
        NTSTATUS status = torture_rpc_connection(tctx, &p, iface);
        if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)
            || NT_STATUS_IS_RPC(status)
            || NT_STATUS_EQUAL(NT_STATUS_PORT_UNREACHABLE, status)
            || NT_STATUS_EQUAL(NT_STATUS_ACCESS_DENIED, status)) {
                if (all) {
                        /* Not fatal if looking for all pipes */
                        return true;
                } else {
                        printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
                        return false;
                }
        } else if (!NT_STATUS_IS_OK(status)) {
                printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
                return false;
        }

        stub_in = data_blob_null;

        printf("\nScanning pipe '%s'\n", iface->name);

        for (i=0;i<500;i++) {
                uint32_t out_flags = 0;

                status = dcerpc_binding_handle_raw_call(p->binding_handle,
                                                        NULL, i,
                                                        0, /* in_flags */
                                                        stub_in.data,
                                                        stub_in.length,
                                                        mem_ctx,
                                                        &stub_out.data,
                                                        &stub_out.length,
                                                        &out_flags);
                if (NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
                        i--;
                        break;
                }
                if (NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_DISCONNECTED)) {
                        i--;
                        break;
                }
                if (NT_STATUS_EQUAL(status, NT_STATUS_PIPE_DISCONNECTED)) {
                        i--;
                        break;
                }
                if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
                        i--;
                        break;
                }
                if (NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)) {
                        i--;
                        break;
                }
        }
        
        if (i==500) {
                talloc_free(p);
                printf("no limit on calls: %s!?\n", nt_errstr(status));
                return false;
        }

        printf("Found %d calls\n", i);

        talloc_free(p);
        
        return true;

}

bool torture_rpc_countcalls(struct torture_context *torture)
{
        const struct ndr_interface_table *iface;
        const char *iface_name;
        bool ret = true;
        const struct ndr_interface_list *l;
        iface_name = lpcfg_parm_string(torture->lp_ctx, NULL, "countcalls", "interface");
        if (iface_name != NULL) {
                iface = ndr_table_by_name(iface_name);
                if (!iface) {
                        printf("Unknown interface '%s'\n", iface_name);
                        return false;
                }
                return count_calls(torture, torture, iface, false);
        }

        for (l=ndr_table_list();l;l=l->next) {          
                TALLOC_CTX *loop_ctx;
                loop_ctx = talloc_named(torture, 0, "torture_rpc_councalls loop context");
                ret &= count_calls(torture, loop_ctx, l->table, true);
                talloc_free(loop_ctx);
        }
        return ret;
}