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 #include "rpc_server/common/common.h"
  29
  30 /*
  31     Here are common server info functions used by some dcerpc server interfaces
  32 */
  33
  34 /* This hardcoded value should go into a ldb database! */
  35 enum srvsvc_PlatformId dcesrv_common_get_platform_id(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
  36 {
  37         enum srvsvc_PlatformId id;
  38
  39         id = lp_parm_int(dce_ctx->lp_ctx, NULL, "server_info", "platform_id", PLATFORM_ID_NT);
  40
  41         return id;
  42 }
  43
  44 const char *dcesrv_common_get_server_name(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx, const char *server_unc)
  45 {
  46         const char *p = server_unc;
  47
  48         /* if there's no string return our NETBIOS name */
  49         if (!p) {
  50                 return talloc_strdup(mem_ctx, lp_netbios_name(dce_ctx->lp_ctx));
  51         }
  52
  53         /* if there're '\\\\' in front remove them otherwise just pass the string */
  54         if (p[0] == '\\' && p[1] == '\\') {
  55                 p += 2;
  56         }
  57
  58         return talloc_strdup(mem_ctx, p);
  59 }
  60
  61
  62 /* This hardcoded value should go into a ldb database! */
  63 uint32_t dcesrv_common_get_server_type(TALLOC_CTX *mem_ctx, struct tevent_context *event_ctx, struct dcesrv_context *dce_ctx)
  64 {
  65         int default_server_announce = 0;
  66         default_server_announce |= SV_TYPE_WORKSTATION;
  67         default_server_announce |= SV_TYPE_SERVER;
  68         default_server_announce |= SV_TYPE_SERVER_UNIX;
  69
  70         switch (lp_announce_as(dce_ctx->lp_ctx)) {
  71                 case ANNOUNCE_AS_NT_SERVER:
  72                         default_server_announce |= SV_TYPE_SERVER_NT;
  73                         /* fall through... */
  74                 case ANNOUNCE_AS_NT_WORKSTATION:
  75                         default_server_announce |= SV_TYPE_NT;
  76                         break;
  77                 case ANNOUNCE_AS_WIN95:
  78                         default_server_announce |= SV_TYPE_WIN95_PLUS;
  79                         break;
  80                 case ANNOUNCE_AS_WFW:
  81                         default_server_announce |= SV_TYPE_WFW;
  82                         break;
  83                 default:
  84                         break;
  85         }
  86
  87         switch (lp_server_role(dce_ctx->lp_ctx)) {
  88                 case ROLE_DOMAIN_MEMBER:
  89                         default_server_announce |= SV_TYPE_DOMAIN_MEMBER;
  90                         break;
  91                 case ROLE_DOMAIN_CONTROLLER:
  92                 {
  93                         struct ldb_context *samctx;
  94                         TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
  95                         if (!tmp_ctx) {
  96                                 break;
  97                         }
  98                         /* open main ldb */
  99                         samctx = samdb_connect(tmp_ctx, event_ctx, dce_ctx->lp_ctx, anonymous_session(tmp_ctx, event_ctx, dce_ctx->lp_ctx));
 100                         if (samctx == NULL) {
 101                                 DEBUG(2,("Unable to open samdb in determining server announce flags\n"));
 102                         } else {
 103                                 /* Determine if we are the pdc */
 104                                 bool is_pdc = samdb_is_pdc(samctx);
 105                                 if (is_pdc) {
 106                                         default_server_announce |= SV_TYPE_DOMAIN_CTRL;
 107                                 } else {
 108                                         default_server_announce |= SV_TYPE_DOMAIN_BAKCTRL;
 109                                 }
 110                         }
 111                         /* Close it */
 112                         talloc_free(tmp_ctx);
 113                         break;
 114                 }
 115                 case ROLE_STANDALONE:
 116                 default:
 117                         break;
 118         }
 119         if (lp_time_server(dce_ctx->lp_ctx))
 120                 default_server_announce |= SV_TYPE_TIME_SOURCE;
 121
 122         if (lp_host_msdfs(dce_ctx->lp_ctx))
 123                 default_server_announce |= SV_TYPE_DFS_SERVER;
 124
 125
 126 #if 0
 127         {
 128                 /* TODO: announce us as print server when we are a print server */
 129                 bool is_print_server = false;
 130                 if (is_print_server) {
 131                         default_server_announce |= SV_TYPE_PRINTQ_SERVER;
 132                 }
 133         }
 134 #endif
 135         return default_server_announce;
 136 }
 137
 138 /* This hardcoded value should go into a ldb database! */
 139 const char *dcesrv_common_get_lan_root(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 140 {
 141         return talloc_strdup(mem_ctx, "");
 142 }
 143
 144 /* This hardcoded value should go into a ldb database! */
 145 uint32_t dcesrv_common_get_users(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 146 {
 147         return -1;
 148 }
 149
 150 /* This hardcoded value should go into a ldb database! */
 151 uint32_t dcesrv_common_get_disc(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 152 {
 153         return 15;
 154 }
 155
 156 /* This hardcoded value should go into a ldb database! */
 157 uint32_t dcesrv_common_get_hidden(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 158 {
 159         return 0;
 160 }
 161
 162 /* This hardcoded value should go into a ldb database! */
 163 uint32_t dcesrv_common_get_announce(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 164 {
 165         return 240;
 166 }
 167
 168 /* This hardcoded value should go into a ldb database! */
 169 uint32_t dcesrv_common_get_anndelta(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 170 {
 171         return 3000;
 172 }
 173
 174 /* This hardcoded value should go into a ldb database! */
 175 uint32_t dcesrv_common_get_licenses(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 176 {
 177         return 0;
 178 }
 179
 180 /* This hardcoded value should go into a ldb database! */
 181 const char *dcesrv_common_get_userpath(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 182 {
 183         return talloc_strdup(mem_ctx, "c:\\");
 184 }
 185
 186 #define INVALID_SHARE_NAME_CHARS " \"*+,./:;<=>?[\\]|"
 187
 188 bool dcesrv_common_validate_share_name(TALLOC_CTX *mem_ctx, const char *share_name)
 189 {
 190         if (strpbrk(share_name, INVALID_SHARE_NAME_CHARS)) {
 191                 return false;
 192         }
 193
 194         return true;
 195 }