r25598: Add missing become_root/unbecome_root around calls of add_aliases.
[samba.git] / source / python / py_conv.c
index 88068898a45be5c58d8e3804b75db101d25cc4aa..13d9ef9dc49f962c9b9429bbc1f9c5b80e702da2 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.h"
 #include "py_conv.h"
 
 /* Helper for rpcstr_pull() function */
 
 static void fstr_pull(fstring str, UNISTR *uni)
 {
-       rpcstr_pull(str, uni->buffer, sizeof(fstring), 0, STR_TERMINATE);
+       rpcstr_pull(str, uni->buffer, sizeof(fstring), -1, STR_TERMINATE);
+}
+
+static void fstr_pull2(fstring str, UNISTR2 *uni)
+{
+       rpcstr_pull(str, uni->buffer, sizeof(fstring), -1, STR_TERMINATE);
 }
 
 /* Convert a structure to a Python dict */
@@ -42,12 +44,24 @@ PyObject *from_struct(void *s, struct pyconv *conv)
                switch (conv[i].type) {
                case PY_UNISTR: {
                        UNISTR *u = (UNISTR *)((char *)s + conv[i].offset);
-                       fstring s = "";
+                       fstring str = "";
+
+                       if (u->buffer)
+                               fstr_pull(str, u);
+
+                       item = PyString_FromString(str);
+                       PyDict_SetItemString(obj, conv[i].name, item);
+
+                       break;
+               }
+               case PY_UNISTR2: {
+                       UNISTR2 *u = (UNISTR2 *)((char *)s + conv[i].offset);
+                       fstring str = "";
 
                        if (u->buffer)
-                               fstr_pull(s, u);
+                               fstr_pull2(str, u);
 
-                       item = PyString_FromString(s);
+                       item = PyString_FromString(str);
                        PyDict_SetItemString(obj, conv[i].name, item);
 
                        break;
@@ -68,7 +82,32 @@ PyObject *from_struct(void *s, struct pyconv *conv)
 
                        break;
                }
+               case PY_STRING: {
+                       char *str = (char *)s + conv[i].offset;
+
+                       item = PyString_FromString(str);
+                       PyDict_SetItemString(obj, conv[i].name, item);
+
+                       break;
+               }
+               case PY_UID: {
+                       uid_t *uid = (uid_t *)((char *)s + conv[i].offset);
+
+                       item = PyInt_FromLong(*uid);
+                       PyDict_SetItemString(obj, conv[i].name, item);
+
+                       break;
+               }
+               case PY_GID: {
+                       gid_t *gid = (gid_t *)((char *)s + conv[i].offset);
+
+                       item = PyInt_FromLong(*gid);
+                       PyDict_SetItemString(obj, conv[i].name, item);
+
+                       break;
+               }
                default:
+                       
                        break;
                }
        }
@@ -78,49 +117,106 @@ PyObject *from_struct(void *s, struct pyconv *conv)
 
 /* Convert a Python dict to a structure */
 
-void to_struct(void *s, PyObject *dict, struct pyconv *conv)
+BOOL to_struct(void *s, PyObject *dict, struct pyconv *conv)
 {
+       PyObject *visited, *key, *value;
+       BOOL result = False;
        int i;
 
+       visited = PyDict_New();
+
        for (i = 0; conv[i].name; i++) {
                PyObject *obj;
                
                obj = PyDict_GetItemString(dict, conv[i].name);
+
+               if (!obj)
+                       goto done;
                
                switch (conv[i].type) {
                case PY_UNISTR: {
                        UNISTR *u = (UNISTR *)((char *)s + conv[i].offset);
-                       char *s = "";
+                       char *str = "";
 
-                       if (obj && PyString_Check(obj))
-                               s = PyString_AsString(obj);
+                       if (!PyString_Check(obj))
+                               goto done;
 
-                       init_unistr(u, s);
+                       str = PyString_AsString(obj);
+                       init_unistr(u, str);
                        
                        break;
                }
                case PY_UINT32: {
                        uint32 *u = (uint32 *)((char *)s + conv[i].offset);
 
-                       if (obj && PyInt_Check(obj)) 
-                               *u = PyInt_AsLong(obj);
-                       else
-                               *u = 0;
+                       if (!PyInt_Check(obj))
+                               goto done;
+
+                       *u = PyInt_AsLong(obj);
 
                        break;
                }
                case PY_UINT16: {
                        uint16 *u = (uint16 *)((char *)s + conv[i].offset);
 
-                       if (obj && PyInt_Check(obj)) 
-                               *u = PyInt_AsLong(obj);
-                       else
-                               *u = 0;
+                       if (!PyInt_Check(obj)) 
+                               goto done;
 
+                       *u = PyInt_AsLong(obj);
                        break;
                }
                default:
                        break;
                }
+
+               /* Mark as visited */
+
+               PyDict_SetItemString(visited, conv[i].name, 
+                                    PyInt_FromLong(1));
+       }
+
+       /* Iterate over each item in the input dictionary and see if it was
+          visited.  If it wasn't then the user has added some extra crap
+          to the dictionary. */
+
+       i = 0;
+
+       while (PyDict_Next(dict, &i, &key, &value)) {
+               if (!PyDict_GetItem(visited, key))
+                       goto done;
+       }
+
+       result = True;
+
+done:
+       /* We must decrement the reference count here or the visited
+          dictionary will not be freed. */
+              
+       Py_DECREF(visited);
+
+       return result;
+}
+
+/* Convert a NULL terminated list of NULL terminated unicode strings
+   to a list of (char *) strings */
+
+PyObject *from_unistr_list(uint16 *dependentfiles)
+{
+       PyObject *list;
+       int offset = 0;
+
+       list = PyList_New(0);
+
+       while (*(dependentfiles + offset) != 0) {
+               fstring name;
+               int len;
+
+               len = rpcstr_pull(name, dependentfiles + offset,
+                                 sizeof(fstring), -1, STR_TERMINATE);
+
+               offset += len / 2;
+               PyList_Append(list, PyString_FromString(name));
        }
+
+       return list;
 }