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(TALLOC_CTX *mem_ctx,
  33                  const struct ndr_interface_table *iface,
  34         BOOL all)
  35 {
  36         struct dcerpc_pipe *p;
  37         DATA_BLOB stub_in, stub_out;
  38         int i;
  39         NTSTATUS status = torture_rpc_connection(mem_ctx, &p, iface);
  40         if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)
  41             || NT_STATUS_EQUAL(NT_STATUS_NET_WRITE_FAULT, status)
  42             || NT_STATUS_EQUAL(NT_STATUS_PORT_UNREACHABLE, status)
  43             || NT_STATUS_EQUAL(NT_STATUS_ACCESS_DENIED, status)) {
  44                 if (all) {
  45                         /* Not fatal if looking for all pipes */
  46                         return True;
  47                 } else {
  48                         printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  49                         return False;
  50                 }
  51         } else if (!NT_STATUS_IS_OK(status)) {
  52                 printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  53                 return False;
  54         }
  55
  56         stub_in = data_blob_talloc(p, mem_ctx, 0);
  57
  58         printf("\nScanning pipe '%s'\n", iface->name);
  59
  60         for (i=0;i<500;i++) {
  61                 status = dcerpc_request(p, NULL, i, False, p, &stub_in, &stub_out);
  62                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  63                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  64                         i--;
  65                         break;
  66                 }
  67                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  68                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  69                         i--;
  70                         break;
  71                 }
  72                 if (NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_DISCONNECTED)) {
  73                         i--;
  74                         break;
  75                 }
  76                 if (NT_STATUS_EQUAL(status, NT_STATUS_PIPE_DISCONNECTED)) {
  77                         i--;
  78                         break;
  79                 }
  80                 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
  81                         i--;
  82                         break;
  83                 }
  84                 if (NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)) {
  85                         i--;
  86                         break;
  87                 }
  88         }
  89
  90         if (i==500) {
  91                 talloc_free(p);
  92                 printf("no limit on calls: %s!?\n", nt_errstr(status));
  93                 return False;
  94         }
  95
  96         printf("Found %d calls\n", i);
  97
  98         talloc_free(p);
  99
 100         return True;
 101
 102 }
 103
 104 BOOL torture_rpc_countcalls(struct torture_context *torture)
 105 {
 106         const struct ndr_interface_table *iface;
 107         const char *iface_name;
 108         BOOL ret = True;
 109         const struct ndr_interface_list *l;
 110         TALLOC_CTX *mem_ctx = talloc_named(torture, 0, "torture_rpc_countcalls context");
 111         if (!mem_ctx) {
 112                 return False;
 113         }
 114         iface_name = lp_parm_string(NULL, "countcalls", "interface");
 115         if (iface_name != NULL) {
 116                 iface = ndr_table_by_name(iface_name);
 117                 if (!iface) {
 118                         printf("Unknown interface '%s'\n", iface_name);
 119                         return False;
 120                 }
 121                 return count_calls(mem_ctx, iface, False);
 122         }
 123
 124         for (l=ndr_table_list();l;l=l->next) {
 125                 TALLOC_CTX *loop_ctx;
 126                 loop_ctx = talloc_named(mem_ctx, 0, "torture_rpc_councalls loop context");
 127                 ret &= count_calls(loop_ctx, l->table, True);
 128                 talloc_free(loop_ctx);
 129         }
 130         return ret;
 131 }