source4/torture/rpc/countcalls.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    count number of calls on an interface
   5
   6    Copyright (C) Andrew Tridgell 2003
   7    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "torture/torture.h"
  25 #include "librpc/ndr/libndr.h"
  26 #include "librpc/ndr/ndr_table.h"
  27 #include "torture/rpc/rpc.h"
  28 #include "param/param.h"
  29 #include "librpc/rpc/dcerpc_proto.h"
  30
  31
  32
  33 bool count_calls(struct torture_context *tctx,
  34                  TALLOC_CTX *mem_ctx,
  35                  const struct ndr_interface_table *iface,
  36         bool all)
  37 {
  38         struct dcerpc_pipe *p;
  39         DATA_BLOB stub_in, stub_out;
  40         int i;
  41         NTSTATUS status = torture_rpc_connection(tctx, &p, iface);
  42         if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)
  43             || NT_STATUS_EQUAL(NT_STATUS_NET_WRITE_FAULT, status)
  44             || NT_STATUS_EQUAL(NT_STATUS_PORT_UNREACHABLE, status)
  45             || NT_STATUS_EQUAL(NT_STATUS_ACCESS_DENIED, status)) {
  46                 if (all) {
  47                         /* Not fatal if looking for all pipes */
  48                         return true;
  49                 } else {
  50                         printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  51                         return false;
  52                 }
  53         } else if (!NT_STATUS_IS_OK(status)) {
  54                 printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  55                 return false;
  56         }
  57
  58         stub_in = data_blob_talloc(p, mem_ctx, 0);
  59
  60         printf("\nScanning pipe '%s'\n", iface->name);
  61
  62         for (i=0;i<500;i++) {
  63                 status = dcerpc_request(p, NULL, i, false, p, &stub_in, &stub_out);
  64                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  65                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  66                         i--;
  67                         break;
  68                 }
  69                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  70                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  71                         i--;
  72                         break;
  73                 }
  74                 if (NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_DISCONNECTED)) {
  75                         i--;
  76                         break;
  77                 }
  78                 if (NT_STATUS_EQUAL(status, NT_STATUS_PIPE_DISCONNECTED)) {
  79                         i--;
  80                         break;
  81                 }
  82                 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
  83                         i--;
  84                         break;
  85                 }
  86                 if (NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)) {
  87                         i--;
  88                         break;
  89                 }
  90         }
  91
  92         if (i==500) {
  93                 talloc_free(p);
  94                 printf("no limit on calls: %s!?\n", nt_errstr(status));
  95                 return false;
  96         }
  97
  98         printf("Found %d calls\n", i);
  99
 100         talloc_free(p);
 101
 102         return true;
 103
 104 }
 105
 106 bool torture_rpc_countcalls(struct torture_context *torture)
 107 {
 108         const struct ndr_interface_table *iface;
 109         const char *iface_name;
 110         bool ret = true;
 111         const struct ndr_interface_list *l;
 112         iface_name = lp_parm_string(torture->lp_ctx, NULL, "countcalls", "interface");
 113         if (iface_name != NULL) {
 114                 iface = ndr_table_by_name(iface_name);
 115                 if (!iface) {
 116                         printf("Unknown interface '%s'\n", iface_name);
 117                         return false;
 118                 }
 119                 return count_calls(torture, torture, iface, false);
 120         }
 121
 122         for (l=ndr_table_list();l;l=l->next) {
 123                 TALLOC_CTX *loop_ctx;
 124                 loop_ctx = talloc_named(torture, 0, "torture_rpc_councalls loop context");
 125                 ret &= count_calls(torture, loop_ctx, l->table, true);
 126                 talloc_free(loop_ctx);
 127         }
 128         return ret;
 129 }