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 "libcli/raw/libcliraw.h"
  23 #include "libcli/libcli.h"
  24 #include "system/dir.h"
  25
  26 struct delete_state {
  27         struct smbcli_tree *tree;
  28         int total_deleted;
  29         BOOL failed;
  30 };
  31
  32 /*
  33    callback function for torture_deltree()
  34 */
  35 static void delete_fn(struct clilist_file_info *finfo, const char *name, void *state)
  36 {
  37         struct delete_state *dstate = state;
  38         char *s, *n;
  39         if (ISDOT(finfo->name) || ISDOTDOT(finfo->name)) {
  40                 return;
  41         }
  42
  43         n = strdup(name);
  44         n[strlen(n)-1] = 0;
  45         asprintf(&s, "%s%s", n, finfo->name);
  46
  47         if (finfo->attrib & FILE_ATTRIBUTE_READONLY) {
  48                 if (NT_STATUS_IS_ERR(smbcli_setatr(dstate->tree, s, 0, 0))) {
  49                         DEBUG(2,("Failed to remove READONLY on %s - %s\n",
  50                                  s, smbcli_errstr(dstate->tree)));
  51                 }
  52         }
  53
  54         if (finfo->attrib & FILE_ATTRIBUTE_DIRECTORY) {
  55                 char *s2;
  56                 asprintf(&s2, "%s\\*", s);
  57                 smbcli_unlink(dstate->tree, s2);
  58                 smbcli_list(dstate->tree, s2,
  59                          FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
  60                          delete_fn, state);
  61                 free(s2);
  62                 if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate->tree, s))) {
  63                         DEBUG(2,("Failed to delete %s - %s\n",
  64                                  s, smbcli_errstr(dstate->tree)));
  65                         dstate->failed = True;
  66                 }
  67                 dstate->total_deleted++;
  68         } else {
  69                 if (NT_STATUS_IS_ERR(smbcli_unlink(dstate->tree, s))) {
  70                         DEBUG(2,("Failed to delete %s - %s\n",
  71                                  s, smbcli_errstr(dstate->tree)));
  72                         dstate->failed = True;
  73                 }
  74                 dstate->total_deleted++;
  75         }
  76         free(s);
  77         free(n);
  78 }
  79
  80 /*
  81    recursively descend a tree deleting all files
  82    returns the number of files deleted, or -1 on error
  83 */
  84 int smbcli_deltree(struct smbcli_tree *tree, const char *dname)
  85 {
  86         char *mask;
  87         struct delete_state dstate;
  88
  89         dstate.tree = tree;
  90         dstate.total_deleted = 0;
  91         dstate.failed = False;
  92
  93         /* it might be a file */
  94         if (NT_STATUS_IS_OK(smbcli_unlink(tree, dname))) {
  95                 return 1;
  96         }
  97         if (NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
  98             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
  99             NT_STATUS_EQUAL(smbcli_nt_error(tree), NT_STATUS_NO_SUCH_FILE)) {
 100                 return 0;
 101         }
 102
 103         asprintf(&mask, "%s\\*", dname);
 104         smbcli_unlink(dstate.tree, mask);
 105         smbcli_list(dstate.tree, mask,
 106                  FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM,
 107                  delete_fn, &dstate);
 108         free(mask);
 109         if (NT_STATUS_IS_ERR(smbcli_rmdir(dstate.tree, dname))) {
 110                 DEBUG(2,("Failed to delete %s - %s\n",
 111                          dname, smbcli_errstr(dstate.tree)));
 112                 return -1;
 113         }
 114         dstate.total_deleted++;
 115
 116         if (dstate.failed) {
 117                 return -1;
 118         }
 119
 120         return dstate.total_deleted;
 121 }