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
  29
  30
  31 BOOL count_calls(TALLOC_CTX *mem_ctx,
  32                  const struct ndr_interface_table *iface,
  33         BOOL all)
  34 {
  35         struct dcerpc_pipe *p;
  36         DATA_BLOB stub_in, stub_out;
  37         int i;
  38         NTSTATUS status = torture_rpc_connection(mem_ctx, &p, iface);
  39         if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_NOT_FOUND, status)
  40             || NT_STATUS_EQUAL(NT_STATUS_NET_WRITE_FAULT, status)
  41             || NT_STATUS_EQUAL(NT_STATUS_PORT_UNREACHABLE, status)
  42             || NT_STATUS_EQUAL(NT_STATUS_ACCESS_DENIED, status)) {
  43                 if (all) {
  44                         /* Not fatal if looking for all pipes */
  45                         return True;
  46                 } else {
  47                         printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  48                         return False;
  49                 }
  50         } else if (!NT_STATUS_IS_OK(status)) {
  51                 printf("Failed to open '%s' to count calls - %s\n", iface->name, nt_errstr(status));
  52                 return False;
  53         }
  54
  55         stub_in = data_blob_talloc(p, mem_ctx, 0);
  56
  57         printf("\nScanning pipe '%s'\n", iface->name);
  58
  59         for (i=0;i<500;i++) {
  60                 status = dcerpc_request(p, NULL, i, False, p, &stub_in, &stub_out);
  61                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  62                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  63                         i--;
  64                         break;
  65                 }
  66                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT) &&
  67                     p->last_fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
  68                         i--;
  69                         break;
  70                 }
  71                 if (NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_DISCONNECTED)) {
  72                         i--;
  73                         break;
  74                 }
  75                 if (NT_STATUS_EQUAL(status, NT_STATUS_PIPE_DISCONNECTED)) {
  76                         i--;
  77                         break;
  78                 }
  79                 if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
  80                         i--;
  81                         break;
  82                 }
  83                 if (NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)) {
  84                         i--;
  85                         break;
  86                 }
  87         }
  88
  89         if (i==500) {
  90                 talloc_free(p);
  91                 printf("no limit on calls: %s!?\n", nt_errstr(status));
  92                 return False;
  93         }
  94
  95         printf("Found %d calls\n", i);
  96
  97         talloc_free(p);
  98
  99         return True;
 100
 101 }
 102
 103 BOOL torture_rpc_countcalls(struct torture_context *torture)
 104 {
 105         const struct ndr_interface_table *iface;
 106         const char *iface_name;
 107         BOOL ret = True;
 108         const struct ndr_interface_list *l;
 109         TALLOC_CTX *mem_ctx = talloc_named(torture, 0, "torture_rpc_countcalls context");
 110         if (!mem_ctx) {
 111                 return False;
 112         }
 113         iface_name = lp_parm_string(-1, "countcalls", "interface");
 114         if (iface_name != NULL) {
 115                 iface = ndr_table_by_name(iface_name);
 116                 if (!iface) {
 117                         printf("Unknown interface '%s'\n", iface_name);
 118                         return False;
 119                 }
 120                 return count_calls(mem_ctx, iface, False);
 121         }
 122
 123         for (l=ndr_table_list();l;l=l->next) {
 124                 TALLOC_CTX *loop_ctx;
 125                 loop_ctx = talloc_named(mem_ctx, 0, "torture_rpc_councalls loop context");
 126                 ret &= count_calls(loop_ctx, l->table, True);
 127                 talloc_free(loop_ctx);
 128         }
 129         return ret;
 130 }