librpc/ndr/ndr_xattr.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    helper routines for XATTR marshalling
   5
   6    Copyright (C) Stefan (metze) Metzmacher 2009
   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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "librpc/gen_ndr/ndr_xattr.h"
  24
  25 static char *ndr_compat_xattr_attrib_hex(TALLOC_CTX *mem_ctx,
  26                                         const struct xattr_DOSATTRIB *r)
  27 {
  28         char *attrib_hex = NULL;
  29
  30         switch (r->version) {
  31         case 0xFFFF:
  32                 attrib_hex = talloc_asprintf(mem_ctx, "0x%x",
  33                                         r->info.compatinfoFFFF.attrib);
  34                 break;
  35         case 1:
  36                 attrib_hex = talloc_asprintf(mem_ctx, "0x%x",
  37                                         r->info.info1.attrib);
  38                 break;
  39         case 2:
  40                 attrib_hex = talloc_asprintf(mem_ctx, "0x%x",
  41                                         r->info.oldinfo2.attrib);
  42                 break;
  43         case 3:
  44                 if (!(r->info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
  45                         attrib_hex = talloc_strdup(mem_ctx, "");
  46                         break;
  47                 }
  48                 attrib_hex = talloc_asprintf(mem_ctx, "0x%x",
  49                                         r->info.info3.attrib);
  50                 break;
  51         default:
  52                 attrib_hex = talloc_strdup(mem_ctx, "");
  53                 break;
  54         }
  55
  56         return attrib_hex;
  57 }
  58
  59 _PUBLIC_ enum ndr_err_code ndr_push_xattr_DOSATTRIB(struct ndr_push *ndr,
  60                                                 int ndr_flags,
  61                                                 const struct xattr_DOSATTRIB *r)
  62 {
  63         if (ndr_flags & NDR_SCALARS) {
  64                 char *attrib_hex = NULL;
  65
  66                 attrib_hex = ndr_compat_xattr_attrib_hex(ndr, r);
  67                 NDR_ERR_HAVE_NO_MEMORY(attrib_hex);
  68
  69                 NDR_CHECK(ndr_push_align(ndr, 4));
  70                 {
  71                         uint32_t _flags_save_string = ndr->flags;
  72                         ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
  73                         NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, attrib_hex));
  74                         ndr->flags = _flags_save_string;
  75                 }
  76                 if (r->version == 0xFFFF) {
  77                         return NDR_ERR_SUCCESS;
  78                 }
  79                 NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->version));
  80                 NDR_CHECK(ndr_push_set_switch_value(ndr, &r->info, r->version));
  81                 NDR_CHECK(ndr_push_xattr_DosInfo(ndr, NDR_SCALARS, &r->info));
  82         }
  83         if (ndr_flags & NDR_BUFFERS) {
  84         }
  85         return NDR_ERR_SUCCESS;
  86 }
  87
  88 _PUBLIC_ enum ndr_err_code ndr_pull_xattr_DOSATTRIB(struct ndr_pull *ndr, int ndr_flags, struct xattr_DOSATTRIB *r)
  89 {
  90         if (ndr_flags & NDR_SCALARS) {
  91                 NDR_CHECK(ndr_pull_align(ndr, 4));
  92                 {
  93                         uint32_t _flags_save_string = ndr->flags;
  94                         ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
  95                         NDR_CHECK(ndr_pull_string(ndr, NDR_SCALARS, &r->attrib_hex));
  96                         ndr->flags = _flags_save_string;
  97                 }
  98                 if (ndr->offset >= ndr->data_size) {
  99                         unsigned int dosattr;
 100                         int ret;
 101
 102                         if (r->attrib_hex[0] != '0') {
 103
 104                         }
 105                         if (r->attrib_hex[1] != 'x') {
 106
 107                         }
 108                         ret = sscanf(r->attrib_hex, "%x", &dosattr);
 109                         if (ret != 1) {
 110                         }
 111                         r->version = 0xFFFF;
 112                         r->info.compatinfoFFFF.attrib = dosattr;
 113                         return NDR_ERR_SUCCESS;
 114                 }
 115                 NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &r->version));
 116                 if (r->version == 0xFFFF) {
 117                         return ndr_pull_error(ndr, NDR_ERR_BAD_SWITCH,
 118                                         "ndr_pull_xattr_DOSATTRIB: "
 119                                         "invalid level 0x%02X",
 120                                         r->version);
 121                 }
 122                 NDR_CHECK(ndr_pull_set_switch_value(ndr, &r->info, r->version));
 123                 NDR_CHECK(ndr_pull_xattr_DosInfo(ndr, NDR_SCALARS, &r->info));
 124         }
 125         if (ndr_flags & NDR_BUFFERS) {
 126         }
 127         return NDR_ERR_SUCCESS;
 128 }
 129
 130 _PUBLIC_ void ndr_print_xattr_DOSATTRIB(struct ndr_print *ndr, const char *name, const struct xattr_DOSATTRIB *r)
 131 {
 132         char *attrib_hex;
 133
 134         ndr_print_struct(ndr, name, "xattr_DOSATTRIB");
 135         ndr->depth++;
 136
 137         if (ndr->flags & LIBNDR_PRINT_SET_VALUES) {
 138                 attrib_hex = ndr_compat_xattr_attrib_hex(ndr, r);
 139         } else {
 140                 attrib_hex = talloc_strdup(ndr, r->attrib_hex);
 141         }
 142         ndr_print_string(ndr, "attrib_hex", attrib_hex);
 143
 144         ndr_print_uint16(ndr, "version", r->version);
 145         ndr_print_set_switch_value(ndr, &r->info, r->version);
 146         ndr_print_xattr_DosInfo(ndr, "info", &r->info);
 147         ndr->depth--;
 148 }