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