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 #include "libcli/raw/libcliraw.h"
  23 #include "libcli/libcli.h"
  24
  25 struct delete_state {
  26         struct smbcli_tree *tree;
  27         int total_deleted;
  28         BOOL failed;
  29 };
  30
  31 /*
  32    callback function for torture_deltree()
  33 */
  34 static void delete_fn(struct clilist_file_info *finfo, const char *name, void *state)
  35 {
  36         struct delete_state *dstate = state;
  37         char *s, *n;
  38         if (strcmp(finfo->name, ".") == 0 ||
  39             strcmp(finfo->name, "..") == 0) return;
  40
  41         n = strdup(name);
  42         n[strlen(n)-1] = 0;
  43         asprintf(&s, "%s%s", n, finfo->name);
  44
  45         if (finfo->attrib & FILE_ATTRIBUTE_READONLY) {
  46                 if (NT_STATUS_IS_ERR(smbcli_setatr(dstate->tree, s, 0, 0))) {
  47                         DEBUG(2,("Failed to remove READONLY on %s - %s\n",
  48                                  s, smbcli_errstr(dstate->tree)));
  49                 }
  50         }
  51
  52         if (finfo->attrib & FILE_ATTRIBUTE_DIRECTORY) {
  53                 char *s2;
  54                 asprintf(&s2, "%s\\*", s);
  55                 smbcli_unlink(dstate->tree, s2);
  56                 smbcli_list(dstate->tree, s2,
  57                          FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
  58                          delete_fn, state);
  59                 free(s2);
  60                 if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate->tree, s))) {
  61                         DEBUG(2,("Failed to delete %s - %s\n",
  62                                  s, smbcli_errstr(dstate->tree)));
  63                         dstate->failed = True;
  64                 }
  65                 dstate->total_deleted++;
  66         } else {
  67                 if (NT_STATUS_IS_ERR(smbcli_unlink(dstate->tree, s))) {
  68                         DEBUG(2,("Failed to delete %s - %s\n",
  69                                  s, smbcli_errstr(dstate->tree)));
  70                         dstate->failed = True;
  71                 }
  72                 dstate->total_deleted++;
  73         }
  74         free(s);
  75         free(n);
  76 }
  77
  78 /*
  79    recursively descend a tree deleting all files
  80    returns the number of files deleted, or -1 on error
  81 */
  82 int smbcli_deltree(struct smbcli_tree *tree, const char *dname)
  83 {
  84         char *mask;
  85         struct delete_state dstate;
  86
  87         dstate.tree = tree;
  88         dstate.total_deleted = 0;
  89         dstate.failed = False;
  90
  91         /* it might be a file */
  92         if (NT_STATUS_IS_OK(smbcli_unlink(tree, dname))) {
  93                 return 1;
  94         }
  95         if (NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
  96             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
  97             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_NO_SUCH_FILE)) {
  98                 return 0;
  99         }
 100
 101         asprintf(&mask, "%s\\*", dname);
 102         smbcli_unlink(dstate.tree, mask);
 103         smbcli_list(dstate.tree, mask,
 104                  FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
 105                  delete_fn, &dstate);
 106         free(mask);
 107         if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate.tree, dname))) {
 108                 DEBUG(2,("Failed to delete %s - %s\n",
 109                          dname, smbcli_errstr(dstate.tree)));
 110                 return -1;
 111         }
 112         dstate.total_deleted++;
 113
 114         if (dstate.failed) {
 115                 return -1;
 116         }
 117
 118         return dstate.total_deleted;
 119 }