| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 | Samba utility functions | 
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| 4 | Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008-2009 | 
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| 5 | Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005 | 
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| 6 |  | 
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| 7 | This program is free software; you can redistribute it and/or modify | 
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| 8 | it under the terms of the GNU General Public License as published by | 
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| 9 | the Free Software Foundation; either version 3 of the License, or | 
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| 10 | (at your option) any later version. | 
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| 11 |  | 
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| 12 | This program is distributed in the hope that it will be useful, | 
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 15 | GNU General Public License for more details. | 
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| 16 |  | 
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| 17 | You should have received a copy of the GNU General Public License | 
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| 18 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 19 | */ | 
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| 20 |  | 
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| 21 | #include "includes.h" | 
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| 22 | #include "auth/auth.h" | 
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| 23 | #include "lib/ldb_wrap.h" | 
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| 24 | #include "ldb/include/ldb.h" | 
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| 25 | #include "ldb_errors.h" | 
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| 26 | #include "libcli/raw/libcliraw.h" | 
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| 27 | #include "librpc/ndr/libndr.h" | 
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| 28 |  | 
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| 29 | #include "param/param.h" | 
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| 30 | #include "param/provision.h" | 
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| 31 | #include "param/secrets.h" | 
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| 32 | #include <Python.h> | 
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| 33 | #include "lib/talloc/pytalloc.h" | 
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| 34 | #include "librpc/rpc/pyrpc.h" | 
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| 35 | #include "scripting/python/modules.h" | 
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| 36 | #include "lib/ldb/pyldb.h" | 
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| 37 | #include "param/pyparam.h" | 
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| 38 |  | 
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| 39 | static PyObject *provision_module(void) | 
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| 40 | { | 
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| 41 | PyObject *name = PyString_FromString("samba.provision"); | 
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| 42 | if (name == NULL) | 
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| 43 | return NULL; | 
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| 44 | return PyImport_Import(name); | 
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| 45 | } | 
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| 46 |  | 
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| 47 | NTSTATUS provision_bare(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, | 
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| 48 | struct provision_settings *settings, | 
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| 49 | struct provision_result *result) | 
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| 50 | { | 
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| 51 | const char *configfile; | 
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| 52 | PyObject *provision_mod, *provision_dict, *provision_fn, *py_result, *parameters; | 
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| 53 |  | 
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| 54 | DEBUG(0,("Provision for Become-DC test using python\n")); | 
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| 55 |  | 
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| 56 | py_load_samba_modules(); | 
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| 57 | Py_Initialize(); | 
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| 58 | py_update_path("bin"); /* FIXME: Can't assume this is always the case */ | 
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| 59 |  | 
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| 60 | provision_mod = provision_module(); | 
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| 61 |  | 
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| 62 | if (provision_mod == NULL) { | 
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| 63 | PyErr_Print(); | 
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| 64 | DEBUG(0, ("Unable to import provision Python module.\n")); | 
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| 65 | return NT_STATUS_UNSUCCESSFUL; | 
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| 66 | } | 
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| 67 |  | 
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| 68 | provision_dict = PyModule_GetDict(provision_mod); | 
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| 69 |  | 
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| 70 | if (provision_dict == NULL) { | 
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| 71 | DEBUG(0, ("Unable to get dictionary for provision module\n")); | 
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| 72 | return NT_STATUS_UNSUCCESSFUL; | 
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| 73 | } | 
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| 74 |  | 
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| 75 | provision_fn = PyDict_GetItemString(provision_dict, "provision_become_dc"); | 
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| 76 | if (provision_fn == NULL) { | 
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| 77 | PyErr_Print(); | 
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| 78 | DEBUG(0, ("Unable to get provision_become_dc function\n")); | 
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| 79 | return NT_STATUS_UNSUCCESSFUL; | 
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| 80 | } | 
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| 81 |  | 
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| 82 | DEBUG(0,("New Server in Site[%s]\n", | 
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| 83 | settings->site_name)); | 
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| 84 |  | 
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| 85 | DEBUG(0,("DSA Instance [%s]\n" | 
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| 86 | "\tinvocationId[%s]\n", | 
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| 87 | settings->ntds_dn_str, | 
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| 88 | settings->invocation_id == NULL?"None":GUID_string(mem_ctx, settings->invocation_id))); | 
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| 89 |  | 
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| 90 | DEBUG(0,("Pathes under targetdir[%s]\n", | 
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| 91 | settings->targetdir)); | 
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| 92 | parameters = PyDict_New(); | 
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| 93 |  | 
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| 94 | configfile = lp_configfile(lp_ctx); | 
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| 95 | if (configfile != NULL) { | 
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| 96 | PyDict_SetItemString(parameters, "smbconf", | 
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| 97 | PyString_FromString(configfile)); | 
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| 98 | } | 
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| 99 |  | 
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| 100 | PyDict_SetItemString(parameters, "rootdn", | 
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| 101 | PyString_FromString(settings->root_dn_str)); | 
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| 102 | if (settings->targetdir != NULL) | 
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| 103 | PyDict_SetItemString(parameters, "targetdir", | 
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| 104 | PyString_FromString(settings->targetdir)); | 
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| 105 | PyDict_SetItemString(parameters, "setup_dir", | 
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| 106 | PyString_FromString("setup")); | 
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| 107 | PyDict_SetItemString(parameters, "hostname", | 
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| 108 | PyString_FromString(settings->netbios_name)); | 
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| 109 | PyDict_SetItemString(parameters, "domain", | 
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| 110 | PyString_FromString(settings->domain)); | 
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| 111 | PyDict_SetItemString(parameters, "realm", | 
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| 112 | PyString_FromString(settings->realm)); | 
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| 113 | if (settings->root_dn_str) | 
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| 114 | PyDict_SetItemString(parameters, "rootdn", | 
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| 115 | PyString_FromString(settings->root_dn_str)); | 
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| 116 |  | 
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| 117 | if (settings->domain_dn_str) | 
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| 118 | PyDict_SetItemString(parameters, "domaindn", | 
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| 119 | PyString_FromString(settings->domain_dn_str)); | 
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| 120 |  | 
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| 121 | if (settings->schema_dn_str) | 
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| 122 | PyDict_SetItemString(parameters, "schemadn", | 
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| 123 | PyString_FromString(settings->schema_dn_str)); | 
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| 124 |  | 
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| 125 | if (settings->config_dn_str) | 
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| 126 | PyDict_SetItemString(parameters, "configdn", | 
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| 127 | PyString_FromString(settings->config_dn_str)); | 
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| 128 |  | 
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| 129 | if (settings->server_dn_str) | 
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| 130 | PyDict_SetItemString(parameters, "serverdn", | 
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| 131 | PyString_FromString(settings->server_dn_str)); | 
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| 132 |  | 
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| 133 | if (settings->site_name) | 
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| 134 | PyDict_SetItemString(parameters, "sitename", | 
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| 135 | PyString_FromString(settings->site_name)); | 
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| 136 |  | 
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| 137 | PyDict_SetItemString(parameters, "machinepass", | 
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| 138 | PyString_FromString(settings->machine_password)); | 
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| 139 |  | 
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| 140 |  | 
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| 141 | PyDict_SetItemString(parameters, "debuglevel", PyInt_FromLong(DEBUGLEVEL)); | 
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| 142 |  | 
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| 143 | py_result = PyEval_CallObjectWithKeywords(provision_fn, NULL, parameters); | 
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| 144 |  | 
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| 145 | Py_DECREF(parameters); | 
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| 146 |  | 
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| 147 | if (py_result == NULL) { | 
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| 148 | PyErr_Print(); | 
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| 149 | PyErr_Clear(); | 
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| 150 | return NT_STATUS_UNSUCCESSFUL; | 
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| 151 | } | 
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| 152 |  | 
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| 153 | result->domaindn = talloc_strdup(mem_ctx, PyString_AsString(PyObject_GetAttrString(py_result, "domaindn"))); | 
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| 154 |  | 
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| 155 | /* FIXME paths */ | 
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| 156 | result->lp_ctx = lp_from_py_object(PyObject_GetAttrString(py_result, "lp")); | 
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| 157 | result->samdb = PyLdb_AsLdbContext(PyObject_GetAttrString(py_result, "samdb")); | 
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| 158 |  | 
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| 159 | return NT_STATUS_OK; | 
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| 160 | } | 
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| 161 |  | 
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| 162 | extern void initldb(void); | 
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| 163 |  | 
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| 164 | static PyObject *py_dom_sid_FromSid(struct dom_sid *sid) | 
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| 165 | { | 
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| 166 | PyObject *mod_security, *dom_sid_Type; | 
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| 167 |  | 
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| 168 | mod_security = PyImport_ImportModule("samba.dcerpc.security"); | 
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| 169 | if (mod_security == NULL) | 
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| 170 | return NULL; | 
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| 171 |  | 
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| 172 | dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid"); | 
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| 173 | if (dom_sid_Type == NULL) | 
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| 174 | return NULL; | 
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| 175 |  | 
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| 176 | return py_talloc_reference((PyTypeObject *)dom_sid_Type, sid); | 
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| 177 | } | 
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| 178 |  | 
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| 179 | NTSTATUS provision_store_self_join(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, | 
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| 180 | struct tevent_context *event_ctx, | 
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| 181 | struct provision_store_self_join_settings *settings, | 
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| 182 | const char **error_string) | 
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| 183 | { | 
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| 184 | int ret; | 
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| 185 | PyObject *provision_mod, *provision_dict, *provision_fn, *py_result, *parameters, *py_sid; | 
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| 186 | struct ldb_context *ldb; | 
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| 187 | TALLOC_CTX *tmp_mem = talloc_new(mem_ctx); | 
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| 188 | if (!tmp_mem) { | 
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| 189 | return NT_STATUS_NO_MEMORY; | 
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| 190 | } | 
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| 191 |  | 
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| 192 | /* Open the secrets database */ | 
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| 193 | ldb = secrets_db_connect(tmp_mem, event_ctx, lp_ctx); | 
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| 194 | if (!ldb) { | 
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| 195 | *error_string | 
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| 196 | = talloc_asprintf(mem_ctx, | 
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| 197 | "Could not open secrets database"); | 
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| 198 | talloc_free(tmp_mem); | 
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| 199 | return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; | 
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| 200 | } | 
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| 201 |  | 
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| 202 | ret = ldb_transaction_start(ldb); | 
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| 203 |  | 
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| 204 | if (ret != LDB_SUCCESS) { | 
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| 205 | *error_string | 
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| 206 | = talloc_asprintf(mem_ctx, | 
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| 207 | "Could not start transaction on secrets database: %s", ldb_errstring(ldb)); | 
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| 208 | talloc_free(tmp_mem); | 
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| 209 | return NT_STATUS_CANT_ACCESS_DOMAIN_INFO; | 
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| 210 | } | 
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| 211 |  | 
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| 212 | py_load_samba_modules(); | 
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| 213 | Py_Initialize(); | 
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| 214 | py_update_path("bin"); /* FIXME: Can't assume this is always the case */ | 
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| 215 | initldb(); | 
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| 216 | provision_mod = provision_module(); | 
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| 217 |  | 
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| 218 | if (provision_mod == NULL) { | 
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| 219 | PyErr_Print(); | 
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| 220 | *error_string | 
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| 221 | = talloc_asprintf(mem_ctx, "Unable to import provision Python module."); | 
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| 222 | talloc_free(tmp_mem); | 
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| 223 | return NT_STATUS_UNSUCCESSFUL; | 
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| 224 | } | 
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| 225 |  | 
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| 226 | provision_dict = PyModule_GetDict(provision_mod); | 
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| 227 |  | 
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| 228 | if (provision_dict == NULL) { | 
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| 229 | *error_string | 
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| 230 | = talloc_asprintf(mem_ctx, "Unable to get dictionary for provision module"); | 
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| 231 | talloc_free(tmp_mem); | 
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| 232 | return NT_STATUS_UNSUCCESSFUL; | 
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| 233 | } | 
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| 234 |  | 
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| 235 | provision_fn = PyDict_GetItemString(provision_dict, "secretsdb_self_join"); | 
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| 236 | if (provision_fn == NULL) { | 
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| 237 | PyErr_Print(); | 
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| 238 | *error_string | 
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| 239 | = talloc_asprintf(mem_ctx, "Unable to get provision_become_dc function"); | 
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| 240 | talloc_free(tmp_mem); | 
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| 241 | return NT_STATUS_UNSUCCESSFUL; | 
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| 242 | } | 
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| 243 |  | 
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| 244 | parameters = PyDict_New(); | 
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| 245 |  | 
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| 246 | PyDict_SetItemString(parameters, "secretsdb", | 
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| 247 | PyLdb_FromLdbContext(ldb)); | 
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| 248 | PyDict_SetItemString(parameters, "domain", | 
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| 249 | PyString_FromString(settings->domain_name)); | 
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| 250 | PyDict_SetItemString(parameters, "domain", | 
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| 251 | PyString_FromString(settings->domain_name)); | 
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| 252 | PyDict_SetItemString(parameters, "realm", | 
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| 253 | PyString_FromString(settings->realm)); | 
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| 254 | PyDict_SetItemString(parameters, "machinepass", | 
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| 255 | PyString_FromString(settings->machine_password)); | 
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| 256 | PyDict_SetItemString(parameters, "netbiosname", | 
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| 257 | PyString_FromString(settings->netbios_name)); | 
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| 258 |  | 
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| 259 | py_sid = py_dom_sid_FromSid(settings->domain_sid); | 
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| 260 | if (py_sid == NULL) { | 
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| 261 | Py_DECREF(parameters); | 
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| 262 | goto failure; | 
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| 263 | } | 
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| 264 |  | 
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| 265 | PyDict_SetItemString(parameters, "domainsid", | 
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| 266 | py_sid); | 
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| 267 |  | 
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| 268 | PyDict_SetItemString(parameters, "secure_channel_type", | 
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| 269 | PyInt_FromLong(settings->secure_channel_type)); | 
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| 270 |  | 
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| 271 | PyDict_SetItemString(parameters, "key_version_number", | 
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| 272 | PyInt_FromLong(settings->key_version_number)); | 
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| 273 |  | 
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| 274 | py_result = PyEval_CallObjectWithKeywords(provision_fn, NULL, parameters); | 
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| 275 |  | 
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| 276 | Py_DECREF(parameters); | 
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| 277 |  | 
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| 278 | if (py_result == NULL) { | 
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| 279 | goto failure; | 
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| 280 | } | 
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| 281 |  | 
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| 282 | ret = ldb_transaction_commit(ldb); | 
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| 283 | if (ret != LDB_SUCCESS) { | 
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| 284 | *error_string | 
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| 285 | = talloc_asprintf(mem_ctx, | 
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| 286 | "Could not commit transaction on secrets database: %s", ldb_errstring(ldb)); | 
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| 287 | talloc_free(tmp_mem); | 
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| 288 | return NT_STATUS_INTERNAL_DB_ERROR; | 
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| 289 | } | 
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| 290 |  | 
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| 291 | talloc_free(tmp_mem); | 
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| 292 |  | 
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| 293 | return NT_STATUS_OK; | 
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| 294 |  | 
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| 295 | failure: | 
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| 296 | ldb_transaction_cancel(ldb); | 
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| 297 | talloc_free(tmp_mem); | 
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| 298 |  | 
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| 299 | PyErr_Print(); | 
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| 300 | PyErr_Clear(); | 
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| 301 | return NT_STATUS_UNSUCCESSFUL; | 
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| 302 | } | 
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