source4/rpc_server/common/server_info.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    common server info functions
   5
   6    Copyright (C) Stefan (metze) Metzmacher 2004
   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_srvsvc.h"
  24 #include "rpc_server/dcerpc_server.h"
  25 #include "dsdb/samdb/samdb.h"
  26 #include "auth/auth.h"
  27 #include "param/param.h"
  28
  29 /*
  30     Here are common server info functions used by some dcerpc server interfaces
  31 */
  32
  33 /* This hardcoded value should go into a ldb database! */
  34 enum srvsvc_PlatformId dcesrv_common_get_platform_id(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
  35 {
  36         enum srvsvc_PlatformId id;
  37
  38         id = lpcfg_parm_int(dce_ctx->lp_ctx, NULL, "server_info", "platform_id", PLATFORM_ID_NT);
  39
  40         return id;
  41 }
  42
  43 const char *dcesrv_common_get_server_name(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx, const char *server_unc)
  44 {
  45         const char *p = server_unc;
  46
  47         /* if there's no string return our NETBIOS name */
  48         if (!p) {
  49                 return talloc_strdup(mem_ctx, lpcfg_netbios_name(dce_ctx->lp_ctx));
  50         }
  51
  52         /* if there're '\\\\' in front remove them otherwise just pass the string */
  53         if (p[0] == '\\' && p[1] == '\\') {
  54                 p += 2;
  55         }
  56
  57         return talloc_strdup(mem_ctx, p);
  58 }
  59
  60
  61 /* This hardcoded value should go into a ldb database! */
  62 uint32_t dcesrv_common_get_server_type(TALLOC_CTX *mem_ctx, struct tevent_context *event_ctx, struct dcesrv_context *dce_ctx)
  63 {
  64         int default_server_announce = 0;
  65         default_server_announce |= SV_TYPE_WORKSTATION;
  66         default_server_announce |= SV_TYPE_SERVER;
  67         default_server_announce |= SV_TYPE_SERVER_UNIX;
  68
  69         switch (lpcfg_announce_as(dce_ctx->lp_ctx)) {
  70                 case ANNOUNCE_AS_NT_SERVER:
  71                         default_server_announce |= SV_TYPE_SERVER_NT;
  72                         /* fall through... */
  73                 case ANNOUNCE_AS_NT_WORKSTATION:
  74                         default_server_announce |= SV_TYPE_NT;
  75                         break;
  76                 case ANNOUNCE_AS_WIN95:
  77                         default_server_announce |= SV_TYPE_WIN95_PLUS;
  78                         break;
  79                 case ANNOUNCE_AS_WFW:
  80                         default_server_announce |= SV_TYPE_WFW;
  81                         break;
  82                 default:
  83                         break;
  84         }
  85
  86         switch (lpcfg_server_role(dce_ctx->lp_ctx)) {
  87                 case ROLE_DOMAIN_MEMBER:
  88                         default_server_announce |= SV_TYPE_DOMAIN_MEMBER;
  89                         break;
  90                 case ROLE_DOMAIN_CONTROLLER:
  91                 {
  92                         struct ldb_context *samctx;
  93                         TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
  94                         if (!tmp_ctx) {
  95                                 break;
  96                         }
  97                         /* open main ldb */
  98                         samctx = samdb_connect(tmp_ctx, event_ctx, dce_ctx->lp_ctx, anonymous_session(tmp_ctx, dce_ctx->lp_ctx));
  99                         if (samctx == NULL) {
 100                                 DEBUG(2,("Unable to open samdb in determining server announce flags\n"));
 101                         } else {
 102                                 /* Determine if we are the pdc */
 103                                 bool is_pdc = samdb_is_pdc(samctx);
 104                                 if (is_pdc) {
 105                                         default_server_announce |= SV_TYPE_DOMAIN_CTRL;
 106                                 } else {
 107                                         default_server_announce |= SV_TYPE_DOMAIN_BAKCTRL;
 108                                 }
 109                         }
 110                         /* Close it */
 111                         talloc_free(tmp_ctx);
 112                         break;
 113                 }
 114                 case ROLE_STANDALONE:
 115                 default:
 116                         break;
 117         }
 118         if (lpcfg_time_server(dce_ctx->lp_ctx))
 119                 default_server_announce |= SV_TYPE_TIME_SOURCE;
 120
 121         if (lpcfg_host_msdfs(dce_ctx->lp_ctx))
 122                 default_server_announce |= SV_TYPE_DFS_SERVER;
 123
 124
 125 #if 0
 126         {
 127                 /* TODO: announce us as print server when we are a print server */
 128                 bool is_print_server = false;
 129                 if (is_print_server) {
 130                         default_server_announce |= SV_TYPE_PRINTQ_SERVER;
 131                 }
 132         }
 133 #endif
 134         return default_server_announce;
 135 }
 136
 137 /* This hardcoded value should go into a ldb database! */
 138 const char *dcesrv_common_get_lan_root(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 139 {
 140         return talloc_strdup(mem_ctx, "");
 141 }
 142
 143 /* This hardcoded value should go into a ldb database! */
 144 uint32_t dcesrv_common_get_users(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 145 {
 146         return -1;
 147 }
 148
 149 /* This hardcoded value should go into a ldb database! */
 150 uint32_t dcesrv_common_get_disc(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 151 {
 152         return 15;
 153 }
 154
 155 /* This hardcoded value should go into a ldb database! */
 156 uint32_t dcesrv_common_get_hidden(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 157 {
 158         return 0;
 159 }
 160
 161 /* This hardcoded value should go into a ldb database! */
 162 uint32_t dcesrv_common_get_announce(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 163 {
 164         return 240;
 165 }
 166
 167 /* This hardcoded value should go into a ldb database! */
 168 uint32_t dcesrv_common_get_anndelta(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 169 {
 170         return 3000;
 171 }
 172
 173 /* This hardcoded value should go into a ldb database! */
 174 uint32_t dcesrv_common_get_licenses(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 175 {
 176         return 0;
 177 }
 178
 179 /* This hardcoded value should go into a ldb database! */
 180 const char *dcesrv_common_get_userpath(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 181 {
 182         return talloc_strdup(mem_ctx, "c:\\");
 183 }
 184
 185 #define INVALID_SHARE_NAME_CHARS " \"*+,./:;<=>?[\\]|"
 186
 187 bool dcesrv_common_validate_share_name(TALLOC_CTX *mem_ctx, const char *share_name)
 188 {
 189         if (strpbrk(share_name, INVALID_SHARE_NAME_CHARS)) {
 190                 return false;
 191         }
 192
 193         return true;
 194 }