source4/libcli/clideltree.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    useful function for deleting a whole directory tree
   4    Copyright (C) Andrew Tridgell 2003
   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 "includes.h"
  22
  23 struct delete_state {
  24         struct smbcli_tree *tree;
  25         int total_deleted;
  26         BOOL failed;
  27 };
  28
  29 /*
  30    callback function for torture_deltree()
  31 */
  32 static void delete_fn(file_info *finfo, const char *name, void *state)
  33 {
  34         struct delete_state *dstate = state;
  35         char *s, *n;
  36         if (strcmp(finfo->name, ".") == 0 ||
  37             strcmp(finfo->name, "..") == 0) return;
  38
  39         n = strdup(name);
  40         n[strlen(n)-1] = 0;
  41         asprintf(&s, "%s%s", n, finfo->name);
  42
  43         if (finfo->mode & FILE_ATTRIBUTE_READONLY) {
  44                 if (NT_STATUS_IS_ERR(smbcli_setatr(dstate->tree, s, 0, 0))) {
  45                         DEBUG(2,("Failed to remove READONLY on %s - %s\n",
  46                                  s, smbcli_errstr(dstate->tree)));
  47                 }
  48         }
  49
  50         if (finfo->mode & FILE_ATTRIBUTE_DIRECTORY) {
  51                 char *s2;
  52                 asprintf(&s2, "%s\\*", s);
  53                 smbcli_unlink(dstate->tree, s2);
  54                 smbcli_list(dstate->tree, s2,
  55                          FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
  56                          delete_fn, state);
  57                 free(s2);
  58                 if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate->tree, s))) {
  59                         DEBUG(2,("Failed to delete %s - %s\n",
  60                                  s, smbcli_errstr(dstate->tree)));
  61                         dstate->failed = True;
  62                 }
  63                 dstate->total_deleted++;
  64         } else {
  65                 if (NT_STATUS_IS_ERR(smbcli_unlink(dstate->tree, s))) {
  66                         DEBUG(2,("Failed to delete %s - %s\n",
  67                                  s, smbcli_errstr(dstate->tree)));
  68                         dstate->failed = True;
  69                 }
  70                 dstate->total_deleted++;
  71         }
  72         free(s);
  73         free(n);
  74 }
  75
  76 /*
  77    recursively descend a tree deleting all files
  78    returns the number of files deleted, or -1 on error
  79 */
  80 int smbcli_deltree(struct smbcli_tree *tree, const char *dname)
  81 {
  82         char *mask;
  83         struct delete_state dstate;
  84
  85         dstate.tree = tree;
  86         dstate.total_deleted = 0;
  87         dstate.failed = False;
  88
  89         /* it might be a file */
  90         if (NT_STATUS_IS_OK(smbcli_unlink(tree, dname))) {
  91                 return 1;
  92         }
  93         if (NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
  94             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
  95             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_NO_SUCH_FILE)) {
  96                 return 0;
  97         }
  98
  99         asprintf(&mask, "%s\\*", dname);
 100         smbcli_unlink(dstate.tree, mask);
 101         smbcli_list(dstate.tree, mask,
 102                  FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
 103                  delete_fn, &dstate);
 104         free(mask);
 105         if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate.tree, dname))) {
 106                 DEBUG(2,("Failed to delete %s - %s\n",
 107                          dname, smbcli_errstr(dstate.tree)));
 108                 return -1;
 109         }
 110         dstate.total_deleted++;
 111
 112         if (dstate.failed) {
 113                 return -1;
 114         }
 115
 116         return dstate.total_deleted;
 117 }