source/utils/getntacl.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Get NT ACLs from UNIX files.
   5
   6    Copyright (C) Tim Potter <tpot@samba.org> 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "system/filesys.h"
  25 #include "librpc/gen_ndr/ndr_xattr.h"
  26 #include "lib/util/wrap_xattr.h"
  27
  28 static void ntacl_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
  29
  30 static void ntacl_print_debug_helper(struct ndr_print *ndr, const char *format, ...)
  31 {
  32         va_list ap;
  33         char *s = NULL;
  34         int i;
  35
  36         va_start(ap, format);
  37         vasprintf(&s, format, ap);
  38         va_end(ap);
  39
  40         for (i=0;i<ndr->depth;i++) {
  41                 printf("    ");
  42         }
  43
  44         printf("%s\n", s);
  45         free(s);
  46 }
  47
  48 static NTSTATUS get_ntacl(char *filename, struct xattr_NTACL **ntacl,
  49                           ssize_t *ntacl_len)
  50 {
  51         DATA_BLOB blob;
  52         ssize_t size;
  53         NTSTATUS result;
  54         struct ndr_pull *ndr;
  55         struct ndr_print *pr;
  56
  57         *ntacl = talloc(NULL, struct xattr_NTACL);
  58
  59         size = wrap_getxattr(filename, XATTR_NTACL_NAME, NULL, 0);
  60
  61         if (size < 0) {
  62                 fprintf(stderr, "get_ntacl: %s\n", strerror(errno));
  63                 return NT_STATUS_INTERNAL_ERROR;
  64         }
  65
  66         blob.data = talloc_size(*ntacl, size);
  67         size = wrap_getxattr(filename, XATTR_NTACL_NAME, blob.data, size);
  68         if (size < 0) {
  69                 fprintf(stderr, "get_ntacl: %s\n", strerror(errno));
  70                 return NT_STATUS_INTERNAL_ERROR;
  71         }
  72         blob.length = size;
  73
  74         ndr = ndr_pull_init_blob(&blob, NULL);
  75
  76         result = ndr_pull_xattr_NTACL(ndr, NDR_SCALARS|NDR_BUFFERS, *ntacl);
  77
  78         if (NT_STATUS_IS_OK(result)) {
  79                 pr = talloc(*ntacl, struct ndr_print);
  80                 pr->print = ntacl_print_debug_helper;
  81                 pr->depth = 0;
  82                 pr->flags = 0;
  83
  84                 ndr_print_xattr_NTACL(pr, filename, *ntacl);
  85         }
  86
  87         return result;
  88 }
  89
  90 static void print_ntacl(struct xattr_NTACL *ntacl)
  91 {
  92 }
  93
  94 int main(int argc, char *argv[])
  95 {
  96         struct xattr_NTACL *ntacl;
  97         ssize_t ntacl_len;
  98
  99         if (argc != 2) {
 100                 fprintf(stderr, "Usage: getntacl FILENAME\n");
 101                 return 1;
 102         }
 103
 104
 105         get_ntacl(argv[1], &ntacl, &ntacl_len);
 106
 107         print_ntacl(ntacl);
 108
 109         return 0;
 110 }