source4/libnet/py_net.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
   5    Copyright (C) Kamen Mazdrashki <kamen.mazdrashki@postpath.com> 2009
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include <Python.h>
  22 #include "includes.h"
  23 #include "libnet.h"
  24 #include "auth/credentials/pycredentials.h"
  25 #include "libcli/security/security.h"
  26 #include "lib/events/events.h"
  27 #include "param/param.h"
  28
  29 /* FIXME: This prototype should be in param/pyparam.h */
  30 struct loadparm_context *py_default_loadparm_context(TALLOC_CTX *mem_ctx);
  31
  32 static struct libnet_context *py_net_ctx(PyObject *obj, struct tevent_context *ev, struct cli_credentials *creds)
  33 {
  34 /* FIXME: Use obj */
  35         struct libnet_context *libnet;
  36         libnet = libnet_context_init(ev, py_default_loadparm_context(NULL));
  37         if (!libnet) {
  38                 return NULL;
  39         }
  40         libnet->cred = creds;
  41         return libnet;
  42 }
  43
  44 static PyObject *py_net_join(PyObject *cls, PyObject *args, PyObject *kwargs)
  45 {
  46         struct libnet_Join r;
  47         NTSTATUS status;
  48         PyObject *result;
  49         TALLOC_CTX *mem_ctx;
  50         struct tevent_context *ev;
  51         struct libnet_context *libnet_ctx;
  52         struct cli_credentials *creds;
  53         PyObject *py_creds;
  54         const char *kwnames[] = { "domain_name", "netbios_name", "join_type", "level", "credentials", NULL };
  55
  56         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssiiO:Join", discard_const_p(char *, kwnames),
  57                                          &r.in.domain_name, &r.in.netbios_name,
  58                                          &r.in.join_type, &r.in.level, &py_creds))
  59                 return NULL;
  60
  61         /* FIXME: we really need to get a context from the caller or we may end
  62          * up with 2 event contexts */
  63         ev = s4_event_context_init(NULL);
  64         mem_ctx = talloc_new(ev);
  65
  66         creds = cli_credentials_from_py_object(py_creds);
  67         if (creds == NULL) {
  68                 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
  69                 talloc_free(mem_ctx);
  70                 return NULL;
  71         }
  72
  73         libnet_ctx = py_net_ctx(cls, ev, creds);
  74         if (libnet_ctx == NULL) {
  75                 PyErr_SetString(PyExc_RuntimeError, "Unable to initialize libnet");
  76                 talloc_free(mem_ctx);
  77                 return NULL;
  78         }
  79
  80         status = libnet_Join(libnet_ctx, mem_ctx, &r);
  81         if (NT_STATUS_IS_ERR(status)) {
  82                 PyErr_SetString(PyExc_RuntimeError, r.out.error_string);
  83                 talloc_free(mem_ctx);
  84                 return NULL;
  85         }
  86
  87         result = Py_BuildValue("sss", r.out.join_password,
  88                                dom_sid_string(mem_ctx, r.out.domain_sid),
  89                                r.out.domain_name);
  90
  91         talloc_free(mem_ctx);
  92
  93         return result;
  94 }
  95
  96 static const char py_net_join_doc[] = "join(domain_name, netbios_name, join_type, level) -> (join_password, domain_sid, domain_name)\n\n" \
  97 "Join the domain with the specified name.";
  98
  99 static PyObject *py_net_set_password(PyObject *cls, PyObject *args, PyObject *kwargs)
 100 {
 101         union libnet_SetPassword r;
 102         NTSTATUS status;
 103         PyObject *py_creds;
 104         TALLOC_CTX *mem_ctx;
 105         struct tevent_context *ev;
 106         struct libnet_context *libnet_ctx;
 107         struct cli_credentials *creds;
 108         const char *kwnames[] = { "account_name", "domain_name", "newpassword", "credentials", NULL };
 109
 110         r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
 111
 112         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sssO:set_password", discard_const_p(char *, kwnames),
 113                                          &r.generic.in.account_name, &r.generic.in.domain_name,
 114                                          &r.generic.in.newpassword, &py_creds)) {
 115                 return NULL;
 116         }
 117
 118         /* FIXME: we really need to get a context from the caller or we may end
 119          * up with 2 event contexts */
 120         ev = s4_event_context_init(NULL);
 121         mem_ctx = talloc_new(ev);
 122
 123         creds = cli_credentials_from_py_object(py_creds);
 124         if (creds == NULL) {
 125                 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
 126                 return NULL;
 127         }
 128
 129         libnet_ctx = py_net_ctx(cls, ev, creds);
 130
 131         status = libnet_SetPassword(libnet_ctx, mem_ctx, &r);
 132         if (NT_STATUS_IS_ERR(status)) {
 133                 PyErr_SetString(PyExc_RuntimeError, r.generic.out.error_string);
 134                 talloc_free(mem_ctx);
 135                 return NULL;
 136         }
 137
 138         talloc_free(mem_ctx);
 139
 140         Py_RETURN_NONE;
 141 }
 142
 143 static const char py_net_set_password_doc[] = "set_password(account_name, domain_name, newpassword) -> True\n\n" \
 144 "Set password for a user. You must supply credential with enough rights to do this.\n\n" \
 145 "Sample usage is:\n" \
 146 "creds = samba.credentials.Credentials()\n" \
 147 "creds.set_username('admin_user')\n" \
 148 "creds.set_domain('domain_name')\n" \
 149 "creds.set_password('pass')\n\n" \
 150 "net.set_password(account_name=<account_name>,\n" \
 151 "                domain_name=creds.get_domain(),\n" \
 152 "                newpassword=new_pass,\n" \
 153 "                credentials=creds)\n";
 154
 155
 156 static PyObject *py_net_export_keytab(PyObject *cls, PyObject *args, PyObject *kwargs)
 157 {
 158         struct libnet_export_keytab r;
 159         struct tevent_context *ev;
 160         TALLOC_CTX *mem_ctx;
 161         const char *kwnames[] = { "keytab", "creds", NULL };
 162         struct libnet_context *libnet_ctx;
 163         PyObject *py_creds;
 164         struct cli_credentials *creds;
 165         NTSTATUS status;
 166
 167         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO:export_keytab", discard_const_p(char *, kwnames),
 168                                          &r.in.keytab_name, &py_creds)) {
 169                 return NULL;
 170         }
 171
 172         creds = cli_credentials_from_py_object(py_creds);
 173         if (creds == NULL) {
 174                 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
 175                 return NULL;
 176         }
 177
 178         /* FIXME: we really need to get a context from the caller or we may end
 179          * up with 2 event contexts */
 180         ev = s4_event_context_init(NULL);
 181         mem_ctx = talloc_new(ev);
 182
 183         libnet_ctx = py_net_ctx(cls, ev, creds);
 184
 185         status = libnet_export_keytab(libnet_ctx, mem_ctx, &r);
 186         if (NT_STATUS_IS_ERR(status)) {
 187                 PyErr_SetString(PyExc_RuntimeError, r.out.error_string);
 188                 talloc_free(mem_ctx);
 189                 return NULL;
 190         }
 191
 192         talloc_free(mem_ctx);
 193
 194         Py_RETURN_NONE;
 195 }
 196
 197 static const char py_net_export_keytab_doc[] = "export_keytab(keytab, name)\n\n"
 198 "Export the DC keytab to a keytab file.";
 199
 200 static struct PyMethodDef net_methods[] = {
 201         {"join", (PyCFunction)py_net_join, METH_VARARGS|METH_KEYWORDS, py_net_join_doc},
 202         {"set_password", (PyCFunction)py_net_set_password, METH_VARARGS|METH_KEYWORDS, py_net_set_password_doc},
 203         {"export_keytab", (PyCFunction)py_net_export_keytab, METH_VARARGS|METH_KEYWORDS, py_net_export_keytab_doc},
 204         {NULL }
 205 };
 206
 207 void initnet(void)
 208 {
 209         Py_InitModule3("net", net_methods, NULL);
 210 }