librpc/ndr/ndr_misc.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    UUID/GUID/policy_handle functions
   5
   6    Copyright (C) Andrew Tridgell                   2003.
   7    Copyright (C) Stefan (metze) Metzmacher         2004.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "system/network.h"
  25 #include "librpc/ndr/libndr.h"
  26 #include "libcli/util/ntstatus.h"
  27 #include "lib/util/util_str_hex.h"
  28
  29 _PUBLIC_ void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid)
  30 {
  31         ndr->print(ndr, "%-25s: %s", name, GUID_string(ndr, guid));
  32 }
  33
  34 bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1,
  35                          const struct ndr_syntax_id *i2)
  36 {
  37         return GUID_equal(&i1->uuid, &i2->uuid)
  38                 && (i1->if_version == i2->if_version);
  39 }
  40
  41 _PUBLIC_ char *ndr_syntax_id_to_string(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *id)
  42 {
  43         return talloc_asprintf(mem_ctx,
  44                                "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x/0x%08x",
  45                                id->uuid.time_low, id->uuid.time_mid,
  46                                id->uuid.time_hi_and_version,
  47                                id->uuid.clock_seq[0],
  48                                id->uuid.clock_seq[1],
  49                                id->uuid.node[0], id->uuid.node[1],
  50                                id->uuid.node[2], id->uuid.node[3],
  51                                id->uuid.node[4], id->uuid.node[5],
  52                                (unsigned)id->if_version);
  53 }
  54
  55 _PUBLIC_ bool ndr_syntax_id_from_string(const char *s, struct ndr_syntax_id *id)
  56 {
  57         size_t i;
  58         uint32_t time_low;
  59         uint32_t time_mid, time_hi_and_version;
  60         uint32_t clock_seq[2];
  61         uint32_t node[6];
  62         uint64_t if_version;
  63         NTSTATUS status;
  64
  65         status =  parse_guid_string(s,
  66                                     &time_low,
  67                                     &time_mid,
  68                                     &time_hi_and_version,
  69                                     clock_seq,
  70                                     node);
  71
  72         if (!NT_STATUS_IS_OK(status)) {
  73                 return false;
  74         }
  75
  76         if (strncmp(s + 36, "/0x", 3) != 0) {
  77                 return false;
  78         }
  79
  80         status = read_hex_bytes(s + 39, 8, &if_version);
  81
  82         if (!NT_STATUS_IS_OK(status)) {
  83                 return false;
  84         }
  85
  86         id->uuid.time_low = time_low;
  87         id->uuid.time_mid = time_mid;
  88         id->uuid.time_hi_and_version = time_hi_and_version;
  89         id->uuid.clock_seq[0] = clock_seq[0];
  90         id->uuid.clock_seq[1] = clock_seq[1];
  91         for (i=0; i<6; i++) {
  92                 id->uuid.node[i] = node[i];
  93         }
  94         id->if_version = (uint32_t)if_version;
  95
  96         return true;
  97 }