r25598: Add missing become_root/unbecome_root around calls of add_aliases.
[tprouty/samba.git] / source / python / py_common.c
index a24a6009d3a398a25738564695a237a699d9c6ce..d4230998ddd02f4f10cbaaa6b7359ff3c55df0ac 100644 (file)
@@ -5,7 +5,7 @@
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "includes.h"
+#include "python/py_common.h"
+
+/* Return a tuple of (error code, error string) from a WERROR */
+
+PyObject *py_werror_tuple(WERROR werror)
+{
+       return Py_BuildValue("[is]", W_ERROR_V(werror), 
+                            dos_errstr(werror));
+}
+
+/* Return a tuple of (error code, error string) from a WERROR */
+
+PyObject *py_ntstatus_tuple(NTSTATUS ntstatus)
+{
+       return Py_BuildValue("[is]", NT_STATUS_V(ntstatus), 
+                            nt_errstr(ntstatus));
+}
 
 /* Initialise samba client routines */
 
@@ -29,19 +44,219 @@ void py_samba_init(void)
        if (initialised)
                return;
 
-       /* FIXME: logging doesn't work very well */
-
-       setup_logging("python", True);
+       load_case_tables();
 
        /* Load configuration file */
 
-       if (!lp_load(dyn_CONFIGFILE, True, False, False))
+       if (!lp_load(dyn_CONFIGFILE, True, False, False, True))
                fprintf(stderr, "Can't load %s\n", dyn_CONFIGFILE);
 
        /* Misc other stuff */
 
        load_interfaces();
-       DEBUGLEVEL = 10;
-       
+       init_names();
+
        initialised = True;
 }
+
+/* Debuglevel routines */
+
+PyObject *get_debuglevel(PyObject *self, PyObject *args)
+{
+       PyObject *debuglevel;
+
+       if (!PyArg_ParseTuple(args, ""))
+               return NULL;
+
+       debuglevel = PyInt_FromLong(DEBUGLEVEL);
+
+       return debuglevel;
+}
+
+PyObject *set_debuglevel(PyObject *self, PyObject *args)
+{
+       int debuglevel;
+
+       if (!PyArg_ParseTuple(args, "i", &debuglevel))
+               return NULL;
+
+       DEBUGLEVEL = debuglevel;
+
+       Py_INCREF(Py_None);
+       return Py_None;
+}
+
+/* Initialise logging */
+
+PyObject *py_setup_logging(PyObject *self, PyObject *args, PyObject *kw)
+{
+       BOOL interactive = False;
+       char *logfilename = NULL;
+       static char *kwlist[] = {"interactive", "logfilename", NULL};
+
+       if (!PyArg_ParseTupleAndKeywords(
+                   args, kw, "|is", kwlist, &interactive, &logfilename))
+               return NULL;
+       
+       if (interactive && logfilename) {
+               PyErr_SetString(PyExc_RuntimeError,
+                               "can't be interactive and set log file name");
+               return NULL;
+       }
+
+       if (interactive)
+               setup_logging("spoolss", True);
+
+       if (logfilename) {
+               lp_set_logfile(logfilename);
+               setup_logging(logfilename, False);
+               reopen_logs();
+       }
+
+       Py_INCREF(Py_None);
+       return Py_None;
+}
+
+/* Parse credentials from a python dictionary.  The dictionary can
+   only have the keys "username", "domain" and "password".  Return
+   True for valid credentials in which case the username, domain and
+   password are set to pointers to their values from the dicationary.
+   If returns False, the errstr is set to point at some mallocated
+   memory describing the error. */
+
+BOOL py_parse_creds(PyObject *creds, char **username, char **domain, 
+                   char **password, char **errstr)
+{
+       /* Initialise anonymous credentials */
+
+       *username = "";
+       *domain = "";
+       *password = "";
+
+       if (creds && PyDict_Size(creds) > 0) {
+               PyObject *username_obj, *password_obj, *domain_obj;
+               PyObject *key, *value;
+               int i;
+
+               /* Check for presence of required fields */
+
+               username_obj = PyDict_GetItemString(creds, "username");
+               domain_obj = PyDict_GetItemString(creds, "domain");
+               password_obj = PyDict_GetItemString(creds, "password");
+
+               if (!username_obj) {
+                       *errstr = SMB_STRDUP("no username field in credential");
+                       return False;
+               }
+
+               if (!domain_obj) {
+                       *errstr = SMB_STRDUP("no domain field in credential");
+                       return False;
+               }
+
+               if (!password_obj) {
+                       *errstr = SMB_STRDUP("no password field in credential");
+                       return False;
+               }
+
+               /* Check type of required fields */
+
+               if (!PyString_Check(username_obj)) {
+                       *errstr = SMB_STRDUP("username field is not string type");
+                       return False;
+               }
+
+               if (!PyString_Check(domain_obj)) {
+                       *errstr = SMB_STRDUP("domain field is not string type");
+                       return False;
+               }
+
+               if (!PyString_Check(password_obj)) {
+                       *errstr = SMB_STRDUP("password field is not string type");
+                       return False;
+               }
+
+               /* Look for any extra fields */
+
+               i = 0;
+
+               while (PyDict_Next(creds, &i, &key, &value)) {
+                       if (strcmp(PyString_AsString(key), "domain") != 0 &&
+                           strcmp(PyString_AsString(key), "username") != 0 &&
+                           strcmp(PyString_AsString(key), "password") != 0) {
+                               asprintf(errstr,
+                                        "creds contain extra field '%s'",
+                                        PyString_AsString(key));
+                               return False;
+                       }
+               }
+
+               /* Assign values */
+
+               *username = PyString_AsString(username_obj);
+               *domain = PyString_AsString(domain_obj);
+               *password = PyString_AsString(password_obj);
+       }
+
+       *errstr = NULL;
+
+       return True;
+}
+
+/* Return a cli_state to a RPC pipe on the given server.  Use the
+   credentials passed if not NULL.  If an error occurs errstr is set to a
+   string describing the error and NULL is returned.  If set, errstr must
+   be freed by calling free(). */
+
+struct cli_state *open_pipe_creds(char *server, PyObject *creds, 
+                                 int pipe_idx, char **errstr)
+{
+       char *username, *password, *domain;
+       struct cli_state *cli;
+       struct rpc_pipe_client *pipe_hnd;
+       NTSTATUS result;
+       
+       /* Extract credentials from the python dictionary */
+
+       if (!py_parse_creds(creds, &username, &domain, &password, errstr))
+               return NULL;
+
+       /* Now try to connect */
+
+       result = cli_full_connection(
+               &cli, NULL, server, NULL, 0, "IPC$", "IPC",
+               username, domain, password, 0, Undefined, NULL);
+       
+       if (!NT_STATUS_IS_OK(result)) {
+               *errstr = SMB_STRDUP("error connecting to IPC$ pipe");
+               return NULL;
+       }
+
+       pipe_hnd = cli_rpc_pipe_open_noauth(cli, pipe_idx, &result);
+       if (!pipe_hnd) {
+               cli_shutdown(cli);
+               asprintf(errstr, "error opening pipe index %d", pipe_idx);
+               return NULL;
+       }
+
+       *errstr = NULL;
+
+       return cli;
+}
+
+/* Return true if a dictionary contains a "level" key with an integer
+   value.  Set the value if so. */
+
+BOOL get_level_value(PyObject *dict, uint32 *level)
+{
+       PyObject *obj;
+
+       if (!(obj = PyDict_GetItemString(dict, "level")) ||
+           !PyInt_Check(obj))
+               return False;
+
+       if (level)
+               *level = PyInt_AsLong(obj);
+
+       return True;
+}