source4/rpc_server/echo/rpc_echo.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    endpoint server for the echo pipe
   5
   6    Copyright (C) Andrew Tridgell 2003
   7    Copyright (C) Stefan (metze) Metzmacher 2005
   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 "system/filesys.h"
  25 #include "rpc_server/dcerpc_server.h"
  26 #include "librpc/gen_ndr/ndr_echo.h"
  27 #include "lib/events/events.h"
  28
  29
  30 static NTSTATUS dcesrv_echo_AddOne(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_AddOne *r)
  31 {
  32         *r->out.out_data = r->in.in_data + 1;
  33         return NT_STATUS_OK;
  34 }
  35
  36 static NTSTATUS dcesrv_echo_EchoData(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_EchoData *r)
  37 {
  38         if (!r->in.len) {
  39                 return NT_STATUS_OK;
  40         }
  41
  42         r->out.out_data = talloc_memdup(mem_ctx, r->in.in_data, r->in.len);
  43         if (!r->out.out_data) {
  44                 return NT_STATUS_NO_MEMORY;
  45         }
  46
  47         return NT_STATUS_OK;
  48 }
  49
  50 static NTSTATUS dcesrv_echo_SinkData(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_SinkData *r)
  51 {
  52         return NT_STATUS_OK;
  53 }
  54
  55 static NTSTATUS dcesrv_echo_SourceData(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_SourceData *r)
  56 {
  57         unsigned int i;
  58
  59         r->out.data = talloc_array(mem_ctx, uint8_t, r->in.len);
  60         if (!r->out.data) {
  61                 return NT_STATUS_NO_MEMORY;
  62         }
  63
  64         for (i=0;i<r->in.len;i++) {
  65                 r->out.data[i] = i;
  66         }
  67
  68         return NT_STATUS_OK;
  69 }
  70
  71 static NTSTATUS dcesrv_echo_TestCall(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestCall *r)
  72 {
  73         *r->out.s2 = talloc_strdup(mem_ctx, r->in.s1);
  74         if (r->in.s1 && !*r->out.s2) {
  75                 return NT_STATUS_NO_MEMORY;
  76         }
  77         return NT_STATUS_OK;
  78 }
  79
  80 static NTSTATUS dcesrv_echo_TestCall2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestCall2 *r)
  81 {
  82         r->out.info = talloc(mem_ctx, union echo_Info);
  83         if (!r->out.info) {
  84                 return NT_STATUS_NO_MEMORY;
  85         }
  86
  87         switch (r->in.level) {
  88         case 1:
  89                 r->out.info->info1.v = 10;
  90                 break;
  91         case 2:
  92                 r->out.info->info2.v = 20;
  93                 break;
  94         case 3:
  95                 r->out.info->info3.v = 30;
  96                 break;
  97         case 4:
  98                 r->out.info->info4.v = 40;
  99                 break;
 100         case 5:
 101                 r->out.info->info5.v1 = 50;
 102                 r->out.info->info5.v2 = 60;
 103                 break;
 104         case 6:
 105                 r->out.info->info6.v1 = 70;
 106                 r->out.info->info6.info1.v= 80;
 107                 break;
 108         case 7:
 109                 r->out.info->info7.v1 = 80;
 110                 r->out.info->info7.info4.v = 90;
 111                 break;
 112         default:
 113                 return NT_STATUS_INVALID_LEVEL;
 114         }
 115
 116         return NT_STATUS_OK;
 117 }
 118
 119 static NTSTATUS dcesrv_echo_TestEnum(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestEnum *r)
 120 {
 121         r->out.foo2->e1 = ECHO_ENUM2;
 122         return NT_STATUS_OK;
 123 }
 124
 125 static NTSTATUS dcesrv_echo_TestSurrounding(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestSurrounding *r)
 126 {
 127         if (!r->in.data) {
 128                 r->out.data = NULL;
 129                 return NT_STATUS_OK;
 130         }
 131
 132         r->out.data = talloc(mem_ctx, struct echo_Surrounding);
 133         if (!r->out.data) {
 134                 return NT_STATUS_NO_MEMORY;
 135         }
 136         r->out.data->x = 2 * r->in.data->x;
 137         r->out.data->surrounding = talloc_zero_array(mem_ctx, uint16_t, r->out.data->x);
 138         if (!r->out.data->surrounding) {
 139                 return NT_STATUS_NO_MEMORY;
 140         }
 141
 142         return NT_STATUS_OK;
 143 }
 144
 145 static uint16_t dcesrv_echo_TestDoublePointer(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestDoublePointer *r)
 146 {
 147         if (!*r->in.data)
 148                 return 0;
 149         if (!**r->in.data)
 150                 return 0;
 151         return ***r->in.data;
 152 }
 153
 154 struct echo_TestSleep_private {
 155         struct dcesrv_call_state *dce_call;
 156         struct echo_TestSleep *r;
 157 };
 158
 159 static void echo_TestSleep_handler(struct tevent_context *ev, struct tevent_timer *te,
 160                                    struct timeval t, void *private_data)
 161 {
 162         struct echo_TestSleep_private *p = talloc_get_type(private_data,
 163                                                            struct echo_TestSleep_private);
 164         struct echo_TestSleep *r = p->r;
 165         NTSTATUS status;
 166
 167         r->out.result = r->in.seconds;
 168
 169         status = dcesrv_reply(p->dce_call);
 170         if (!NT_STATUS_IS_OK(status)) {
 171                 DEBUG(0,("echo_TestSleep_handler: dcesrv_reply() failed - %s\n",
 172                         nt_errstr(status)));
 173         }
 174 }
 175
 176 static long dcesrv_echo_TestSleep(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct echo_TestSleep *r)
 177 {
 178         struct echo_TestSleep_private *p;
 179
 180         if (!(dce_call->state_flags & DCESRV_CALL_STATE_FLAG_MAY_ASYNC)) {
 181                 /* we're not allowed to reply async */
 182                 sleep(r->in.seconds);
 183                 return r->in.seconds;
 184         }
 185
 186         /* we're allowed to reply async */
 187         p = talloc(mem_ctx, struct echo_TestSleep_private);
 188         if (!p) {
 189                 return 0;
 190         }
 191
 192         p->dce_call     = dce_call;
 193         p->r            = r;
 194
 195         event_add_timed(dce_call->event_ctx, p,
 196                         timeval_add(&dce_call->time, r->in.seconds, 0),
 197                         echo_TestSleep_handler, p);
 198
 199         dce_call->state_flags |= DCESRV_CALL_STATE_FLAG_ASYNC;
 200         return 0;
 201 }
 202
 203 /* include the generated boilerplate */
 204 #include "librpc/gen_ndr/ndr_echo_s.c"