source/python/py_spoolss_printers.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 /* Open a printer */
  24
  25 PyObject *spoolss_openprinter(PyObject *self, PyObject *args, PyObject *kw)
  26 {
  27         char *full_name, *computer_name = NULL;
  28         TALLOC_CTX *mem_ctx;
  29         POLICY_HND hnd;
  30         WERROR werror;
  31         PyObject *result = NULL, *creds = NULL;
  32         static char *kwlist[] = { "printername", "creds", "access", NULL };
  33         uint32 desired_access = MAXIMUM_ALLOWED_ACCESS;
  34         struct cli_state *cli;
  35
  36         if (!PyArg_ParseTupleAndKeywords(
  37                 args, kw, "s|O!i", kwlist, &full_name, &PyDict_Type, &creds,
  38                 &desired_access)) {
  39
  40                 goto done;
  41         }
  42
  43         /* FIXME: Return name format exception for names without a UNC
  44            prefix */
  45
  46         computer_name = strdup(full_name + 2);
  47
  48         if (strchr(computer_name, '\\')) {
  49                 char *c = strchr(computer_name, '\\');
  50                 *c = 0;
  51         }
  52
  53         if (!(cli = open_pipe_creds(computer_name, creds,
  54                                     cli_spoolss_initialise, NULL))) {
  55                 fprintf(stderr, "could not initialise cli state\n");
  56                 goto done;
  57         }
  58
  59         if (!(mem_ctx = talloc_init())) {
  60                 fprintf(stderr, "unable to initialise talloc context\n");
  61                 goto done;
  62         }
  63
  64         werror = cli_spoolss_open_printer_ex(
  65                 cli, mem_ctx, full_name, "", desired_access, computer_name,
  66                 "", &hnd);
  67
  68         if (!W_ERROR_IS_OK(werror)) {
  69                 cli_shutdown(cli);
  70                 SAFE_FREE(cli);
  71                 PyErr_SetObject(spoolss_werror, py_werror_tuple(werror));
  72                 goto done;
  73         }
  74
  75         result = new_policy_hnd_object(cli, mem_ctx, &hnd);
  76
  77  done:
  78         SAFE_FREE(computer_name);
  79
  80         return result;
  81 }
  82
  83 /* Close a printer */
  84
  85 PyObject *spoolss_closeprinter(PyObject *self, PyObject *args)
  86 {
  87         PyObject *po;
  88         spoolss_policy_hnd_object *hnd;
  89         WERROR result;
  90
  91         /* Parse parameters */
  92
  93         if (!PyArg_ParseTuple(args, "O!", &spoolss_policy_hnd_type, &po))
  94                 return NULL;
  95
  96         hnd = (spoolss_policy_hnd_object *)po;
  97
  98         /* Call rpc function */
  99
 100         result = cli_spoolss_close_printer(hnd->cli, hnd->mem_ctx, &hnd->pol);
 101
 102         /* Cleanup samba stuf */
 103
 104         cli_shutdown(hnd->cli);
 105         talloc_destroy(hnd->mem_ctx);
 106
 107         /* Return value */
 108
 109         Py_INCREF(Py_None);
 110         return Py_None;
 111 }
 112
 113 /* Fetch printer information */
 114
 115 PyObject *spoolss_getprinter(PyObject *self, PyObject *args, PyObject *kw)
 116 {
 117         spoolss_policy_hnd_object *hnd = (spoolss_policy_hnd_object *)self;
 118         WERROR werror;
 119         PyObject *result = NULL;
 120         PRINTER_INFO_CTR ctr;
 121         int level = 1;
 122         uint32 needed;
 123         static char *kwlist[] = {"level", NULL};
 124
 125         /* Parse parameters */
 126
 127         if (!PyArg_ParseTupleAndKeywords(args, kw, "|i", kwlist, &level))
 128                 return NULL;
 129
 130         /* Call rpc function */
 131
 132         werror = cli_spoolss_getprinter(
 133                 hnd->cli, hnd->mem_ctx, 0, &needed, &hnd->pol, level, &ctr);
 134
 135         if (W_ERROR_V(werror) == ERRinsufficientbuffer)
 136                 werror = cli_spoolss_getprinter(
 137                         hnd->cli, hnd->mem_ctx, needed, NULL, &hnd->pol,
 138                         level, &ctr);
 139
 140         /* Return value */
 141
 142         if (!W_ERROR_IS_OK(werror)) {
 143                 PyErr_SetObject(spoolss_werror,
 144                                 PyInt_FromLong(W_ERROR_V(werror)));
 145                 return NULL;
 146         }
 147
 148         result = Py_None;
 149
 150         switch (level) {
 151
 152         case 0:
 153                 py_from_PRINTER_INFO_0(&result, ctr.printers_0);
 154                 break;
 155
 156         case 1:
 157                 py_from_PRINTER_INFO_1(&result, ctr.printers_1);
 158                 break;
 159
 160         case 2:
 161                 py_from_PRINTER_INFO_2(&result, ctr.printers_2);
 162                 break;
 163
 164         case 3:
 165                 py_from_PRINTER_INFO_3(&result, ctr.printers_3);
 166                 break;
 167         }
 168
 169         PyDict_SetItemString(result, "level", PyInt_FromLong(level));
 170
 171         Py_INCREF(result);
 172         return result;
 173 }
 174
 175 /* Set printer information */
 176
 177 PyObject *spoolss_setprinter(PyObject *self, PyObject *args, PyObject *kw)
 178 {
 179         spoolss_policy_hnd_object *hnd = (spoolss_policy_hnd_object *)self;
 180         WERROR werror;
 181         PyObject *info, *level_obj;
 182         PRINTER_INFO_CTR ctr;
 183         uint32 level;
 184         static char *kwlist[] = {"dict", NULL};
 185         union {
 186                 PRINTER_INFO_0 printers_0;
 187                 PRINTER_INFO_1 printers_1;
 188                 PRINTER_INFO_2 printers_2;
 189                 PRINTER_INFO_3 printers_3;
 190                 PRINTER_INFO_4 printers_4;
 191                 PRINTER_INFO_5 printers_5;
 192         } pinfo;
 193
 194         /* Parse parameters */
 195
 196         if (!PyArg_ParseTupleAndKeywords(args, kw, "O!", kwlist,
 197                                          &PyDict_Type, &info))
 198                 return NULL;
 199
 200         /* Check dictionary contains a level */
 201
 202         if ((level_obj = PyDict_GetItemString(info, "level"))) {
 203
 204                 if (!PyInt_Check(level_obj))
 205                         goto error;
 206
 207                 level = PyInt_AsLong(level_obj);
 208
 209         } else {
 210         error:
 211                 PyErr_SetString(spoolss_error, "invalid info");
 212                 return NULL;
 213         }
 214
 215         /* Fill in printer info */
 216
 217         ZERO_STRUCT(ctr);
 218
 219         switch (level) {
 220         case 2: {
 221                 PyObject *devmode_obj;
 222
 223                 ctr.printers_2 = &pinfo.printers_2;
 224
 225                 if (!py_to_PRINTER_INFO_2(&pinfo.printers_2, info))
 226                         goto error;
 227
 228 #if 0
 229                 devmode_obj = PyDict_GetItemString(info, "device_mode");
 230
 231                 pinfo.printers_2.devmode = talloc(
 232                         hnd->mem_ctx, sizeof(DEVICEMODE));
 233
 234                 PyDEVICEMODE_AsDEVICEMODE(pinfo.printers_2.devmode,
 235                                           devmode_obj);
 236
 237 #else
 238
 239                 /* FIXME: can we actually set the security descriptor using
 240                    a setprinter level 2? */
 241
 242                 pinfo.printers_2.secdesc = NULL;
 243                 pinfo.printers_2.secdesc = NULL;
 244
 245 #endif
 246                 break;
 247         }
 248         default:
 249                 PyErr_SetString(spoolss_error, "unsupported info level");
 250                 return NULL;
 251         }
 252
 253         /* Call rpc function */
 254
 255         werror = cli_spoolss_setprinter(hnd->cli, hnd->mem_ctx, &hnd->pol,
 256                                         level, &ctr, 0);
 257
 258         /* Return value */
 259
 260         if (!W_ERROR_IS_OK(werror)) {
 261                 PyErr_SetObject(spoolss_werror, py_werror_tuple(werror));
 262                 return NULL;
 263         }
 264
 265         Py_INCREF(Py_None);
 266         return Py_None;
 267 }
 268
 269 /* Enumerate printers */
 270
 271 PyObject *spoolss_enumprinters(PyObject *self, PyObject *args, PyObject *kw)
 272 {
 273         WERROR werror;
 274         PyObject *result, *creds = NULL;
 275         PRINTER_INFO_CTR ctr;
 276         int level = 1, flags = PRINTER_ENUM_LOCAL, i;
 277         uint32 needed, num_printers;
 278         static char *kwlist[] = {"server", "name", "level", "flags",
 279                                  "creds", NULL};
 280         TALLOC_CTX *mem_ctx = NULL;
 281         struct cli_state *cli = NULL;
 282         char *server, *name = NULL;
 283
 284         /* Parse parameters */
 285
 286         if (!PyArg_ParseTupleAndKeywords(args, kw, "s|siiO!", kwlist,
 287                                          &server, &name, &level, &flags,
 288                                          &PyDict_Type, &creds))
 289                 return NULL;
 290
 291         if (server[0] == '\\' && server[1] == '\\')
 292                 server += 2;
 293
 294         mem_ctx = talloc_init();
 295         cli = open_pipe_creds(server, creds, cli_spoolss_initialise, NULL);
 296
 297         /* Call rpc function */
 298
 299         werror = cli_spoolss_enum_printers(
 300                 cli, mem_ctx, 0, &needed, flags, level,
 301                 &num_printers, &ctr);
 302
 303         if (W_ERROR_V(werror) == ERRinsufficientbuffer)
 304                 werror = cli_spoolss_enum_printers(
 305                         cli, mem_ctx, needed, NULL, flags, level,
 306                         &num_printers, &ctr);
 307
 308         /* Return value */
 309
 310         if (!W_ERROR_IS_OK(werror)) {
 311                 PyErr_SetObject(spoolss_werror,
 312                                 PyInt_FromLong(W_ERROR_V(werror)));
 313                 return NULL;
 314         }
 315
 316         result = PyList_New(num_printers);
 317
 318         switch (level) {
 319         case 0:
 320                 for (i = 0; i < num_printers; i++) {
 321                         PyObject *value;
 322
 323                         py_from_PRINTER_INFO_0(&value, &ctr.printers_0[i]);
 324
 325                         PyList_SetItem(result, i, value);
 326                 }
 327
 328                 break;
 329         case 1:
 330                 for(i = 0; i < num_printers; i++) {
 331                         PyObject *value;
 332
 333                         py_from_PRINTER_INFO_1(&value, &ctr.printers_1[i]);
 334
 335                         PyList_SetItem(result, i, value);
 336                 }
 337
 338                 break;
 339         case 2:
 340                 for(i = 0; i < num_printers; i++) {
 341                         PyObject *value;
 342
 343                         py_from_PRINTER_INFO_2(&value, &ctr.printers_2[i]);
 344
 345                         PyList_SetItem(result, i, value);
 346                 }
 347
 348                 break;
 349         case 3:
 350                 for(i = 0; i < num_printers; i++) {
 351                         PyObject *value;
 352
 353                         py_from_PRINTER_INFO_3(&value, &ctr.printers_3[i]);
 354
 355                         PyList_SetItem(result, i, value);
 356                 }
 357
 358                 break;
 359         }
 360
 361         Py_INCREF(result);
 362         return result;
 363 }