source4/python/py_spoolss_ports.c

   1 /*
   2    Python wrappers for DCERPC/SMB client routines.
   3
   4    Copyright (C) Tim Potter, 2002
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "python/py_spoolss.h"
  22
  23 /* Enumerate ports */
  24
  25 PyObject *spoolss_enumports(PyObject *self, PyObject *args, PyObject *kw)
  26 {
  27         WERROR werror;
  28         PyObject *result = NULL, *creds = NULL;
  29         uint32 level = 1;
  30         uint32 i, needed, num_ports;
  31         static char *kwlist[] = {"server", "level", "creds", NULL};
  32         TALLOC_CTX *mem_ctx = NULL;
  33         struct cli_state *cli = NULL;
  34         char *server, *errstr;
  35         PORT_INFO_CTR ctr;
  36
  37         /* Parse parameters */
  38
  39         if (!PyArg_ParseTupleAndKeywords(
  40                     args, kw, "s|iO", kwlist, &server, &level, &creds))
  41                 return NULL;
  42
  43         if (server[0] != '\\' || server[1] != '\\') {
  44                 PyErr_SetString(PyExc_ValueError, "UNC name required");
  45                 return NULL;
  46         }
  47
  48         server += 2;
  49
  50         if (creds && creds != Py_None && !PyDict_Check(creds)) {
  51                 PyErr_SetString(PyExc_TypeError,
  52                                 "credentials must be dictionary or None");
  53                 return NULL;
  54         }
  55
  56         if (!(cli = open_pipe_creds(server, creds, PI_SPOOLSS, &errstr))) {
  57                 PyErr_SetString(spoolss_error, errstr);
  58                 free(errstr);
  59                 goto done;
  60         }
  61
  62         if (!(mem_ctx = talloc_init("spoolss_enumports"))) {
  63                 PyErr_SetString(
  64                         spoolss_error, "unable to init talloc context\n");
  65                 goto done;
  66         }
  67
  68         /* Call rpc function */
  69
  70         werror = cli_spoolss_enum_ports(
  71                 cli, mem_ctx, 0, &needed, level, &num_ports, &ctr);
  72
  73         if (W_ERROR_V(werror) == ERRinsufficientbuffer)
  74                 werror = cli_spoolss_enum_ports(
  75                         cli, mem_ctx, needed, NULL, level,
  76                         &num_ports, &ctr);
  77
  78         if (!W_ERROR_IS_OK(werror)) {
  79                 PyErr_SetObject(spoolss_werror, py_werror_tuple(werror));
  80                 goto done;
  81         }
  82
  83         /* Return value */
  84
  85         switch (level) {
  86         case 1:
  87                 result = PyDict_New();
  88
  89                 for (i = 0; i < num_ports; i++) {
  90                         PyObject *value;
  91                         fstring name;
  92
  93                         rpcstr_pull(name, ctr.port.info_1[i].port_name.buffer,
  94                                     sizeof(fstring), -1, STR_TERMINATE);
  95
  96                         py_from_PORT_INFO_1(&value, &ctr.port.info_1[i]);
  97
  98                         PyDict_SetItemString(
  99                                 value, "level", PyInt_FromLong(1));
 100
 101                         PyDict_SetItemString(result, name, value);
 102                 }
 103
 104                 break;
 105         case 2:
 106                 result = PyDict_New();
 107
 108                 for(i = 0; i < num_ports; i++) {
 109                         PyObject *value;
 110                         fstring name;
 111
 112                         rpcstr_pull(name, ctr.port.info_2[i].port_name.buffer,
 113                                     sizeof(fstring), -1, STR_TERMINATE);
 114
 115                         py_from_PORT_INFO_2(&value, &ctr.port.info_2[i]);
 116
 117                         PyDict_SetItemString(
 118                                 value, "level", PyInt_FromLong(2));
 119
 120                         PyDict_SetItemString(result, name, value);
 121                 }
 122
 123                 break;
 124         default:
 125                 PyErr_SetString(spoolss_error, "unknown info level");
 126                 goto done;
 127         }
 128
 129  done:
 130         if (cli)
 131                 cli_shutdown(cli);
 132
 133         if (mem_ctx)
 134                 talloc_destroy(mem_ctx);
 135
 136         return result;
 137 }