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
  30
  31
  32 bool count_calls(struct torture_context *tctx,
  33                  TALLOC_CTX *mem_ctx,
  34                  const struct ndr_interface_table *iface,
  35         bool all)
  36 {
  37         struct dcerpc_pipe *p;
  38         DATA_BLOB stub_in, stub_out;
  39         int i;
  40         NTSTATUS status = torture_rpc_connection(tctx, &p, iface);
  41         if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)
  42             || NT_STATUS_EQUAL(NT_STATUS_NET_WRITE_FAULT, status)
  43             || NT_STATUS_EQUAL(NT_STATUS_PORT_UNREACHABLE, status)
  44             || NT_STATUS_EQUAL(NT_STATUS_ACCESS_DENIED, status)) {
  45                 if (all) {
  46                         /* Not fatal if looking for all pipes */
  47                         return true;
  48                 } else {
  49                         printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  50                         return false;
  51                 }
  52         } else if (!NT_STATUS_IS_OK(status)) {
  53                 printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  54                 return false;
  55         }
  56
  57         stub_in = data_blob_talloc(p, mem_ctx, 0);
  58
  59         printf("\nScanning pipe '%s'\n", iface->name);
  60
  61         for (i=0;i<500;i++) {
  62                 status = dcerpc_request(p, NULL, i, false, p, &stub_in, &stub_out);
  63                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  64                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  65                         i--;
  66                         break;
  67                 }
  68                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  69                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  70                         i--;
  71                         break;
  72                 }
  73                 if (NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_DISCONNECTED)) {
  74                         i--;
  75                         break;
  76                 }
  77                 if (NT_STATUS_EQUAL(status, NT_STATUS_PIPE_DISCONNECTED)) {
  78                         i--;
  79                         break;
  80                 }
  81                 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
  82                         i--;
  83                         break;
  84                 }
  85                 if (NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)) {
  86                         i--;
  87                         break;
  88                 }
  89         }
  90
  91         if (i==500) {
  92                 talloc_free(p);
  93                 printf("no limit on calls: %s!?\n", nt_errstr(status));
  94                 return false;
  95         }
  96
  97         printf("Found %d calls\n", i);
  98
  99         talloc_free(p);
 100
 101         return true;
 102
 103 }
 104
 105 bool torture_rpc_countcalls(struct torture_context *torture)
 106 {
 107         const struct ndr_interface_table *iface;
 108         const char *iface_name;
 109         bool ret = true;
 110         const struct ndr_interface_list *l;
 111         iface_name = lp_parm_string(torture->lp_ctx, NULL, "countcalls", "interface");
 112         if (iface_name != NULL) {
 113                 iface = ndr_table_by_name(iface_name);
 114                 if (!iface) {
 115                         printf("Unknown interface '%s'\n", iface_name);
 116                         return false;
 117                 }
 118                 return count_calls(torture, torture, iface, false);
 119         }
 120
 121         for (l=ndr_table_list();l;l=l->next) {
 122                 TALLOC_CTX *loop_ctx;
 123                 loop_ctx = talloc_named(torture, 0, "torture_rpc_councalls loop context");
 124                 ret &= count_calls(torture, loop_ctx, l->table, true);
 125                 talloc_free(loop_ctx);
 126         }
 127         return ret;
 128 }