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 "librpc/gen_ndr/svcctl.h"
  25 #include "rpc_server/dcerpc_server.h"
  26 #include "dsdb/samdb/samdb.h"
  27 #include "auth/auth.h"
  28 #include "param/param.h"
  29 #include "rpc_server/common/common.h"
  30 #include "rpc_server/common/proto.h"
  31
  32 /*
  33     Here are common server info functions used by some dcerpc server interfaces
  34 */
  35
  36 /* This hardcoded value should go into a ldb database! */
  37 enum srvsvc_PlatformId dcesrv_common_get_platform_id(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
  38 {
  39         enum srvsvc_PlatformId id;
  40
  41         id = lp_parm_int(dce_ctx->lp_ctx, NULL, "server_info", "platform_id", PLATFORM_ID_NT);
  42
  43         return id;
  44 }
  45
  46 const char *dcesrv_common_get_server_name(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx, const char *server_unc)
  47 {
  48         const char *p = server_unc;
  49
  50         /* if there's no string return our NETBIOS name */
  51         if (!p) {
  52                 return talloc_strdup(mem_ctx, lp_netbios_name(dce_ctx->lp_ctx));
  53         }
  54
  55         /* if there're '\\\\' in front remove them otherwise just pass the string */
  56         if (p[0] == '\\' && p[1] == '\\') {
  57                 p += 2;
  58         }
  59
  60         return talloc_strdup(mem_ctx, p);
  61 }
  62
  63
  64 /* This hardcoded value should go into a ldb database! */
  65 uint32_t dcesrv_common_get_server_type(TALLOC_CTX *mem_ctx, struct tevent_context *event_ctx, struct dcesrv_context *dce_ctx)
  66 {
  67         int default_server_announce = 0;
  68         default_server_announce |= SV_TYPE_WORKSTATION;
  69         default_server_announce |= SV_TYPE_SERVER;
  70         default_server_announce |= SV_TYPE_SERVER_UNIX;
  71
  72         switch (lp_announce_as(dce_ctx->lp_ctx)) {
  73                 case ANNOUNCE_AS_NT_SERVER:
  74                         default_server_announce |= SV_TYPE_SERVER_NT;
  75                         /* fall through... */
  76                 case ANNOUNCE_AS_NT_WORKSTATION:
  77                         default_server_announce |= SV_TYPE_NT;
  78                         break;
  79                 case ANNOUNCE_AS_WIN95:
  80                         default_server_announce |= SV_TYPE_WIN95_PLUS;
  81                         break;
  82                 case ANNOUNCE_AS_WFW:
  83                         default_server_announce |= SV_TYPE_WFW;
  84                         break;
  85                 default:
  86                         break;
  87         }
  88
  89         switch (lp_server_role(dce_ctx->lp_ctx)) {
  90                 case ROLE_DOMAIN_MEMBER:
  91                         default_server_announce |= SV_TYPE_DOMAIN_MEMBER;
  92                         break;
  93                 case ROLE_DOMAIN_CONTROLLER:
  94                 {
  95                         struct ldb_context *samctx;
  96                         TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
  97                         if (!tmp_ctx) {
  98                                 break;
  99                         }
 100                         /* open main ldb */
 101                         samctx = samdb_connect(tmp_ctx, event_ctx, dce_ctx->lp_ctx, anonymous_session(tmp_ctx, event_ctx, dce_ctx->lp_ctx));
 102                         if (samctx == NULL) {
 103                                 DEBUG(2,("Unable to open samdb in determining server announce flags\n"));
 104                         } else {
 105                                 /* Determine if we are the pdc */
 106                                 bool is_pdc = samdb_is_pdc(samctx);
 107                                 if (is_pdc) {
 108                                         default_server_announce |= SV_TYPE_DOMAIN_CTRL;
 109                                 } else {
 110                                         default_server_announce |= SV_TYPE_DOMAIN_BAKCTRL;
 111                                 }
 112                         }
 113                         /* Close it */
 114                         talloc_free(tmp_ctx);
 115                         break;
 116                 }
 117                 case ROLE_STANDALONE:
 118                 default:
 119                         break;
 120         }
 121         if (lp_time_server(dce_ctx->lp_ctx))
 122                 default_server_announce |= SV_TYPE_TIME_SOURCE;
 123
 124         if (lp_host_msdfs(dce_ctx->lp_ctx))
 125                 default_server_announce |= SV_TYPE_DFS_SERVER;
 126
 127
 128 #if 0
 129         {
 130                 /* TODO: announce us as print server when we are a print server */
 131                 bool is_print_server = false;
 132                 if (is_print_server) {
 133                         default_server_announce |= SV_TYPE_PRINTQ_SERVER;
 134                 }
 135         }
 136 #endif
 137         return default_server_announce;
 138 }
 139
 140 /* This hardcoded value should go into a ldb database! */
 141 const char *dcesrv_common_get_lan_root(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 142 {
 143         return talloc_strdup(mem_ctx, "");
 144 }
 145
 146 /* This hardcoded value should go into a ldb database! */
 147 uint32_t dcesrv_common_get_users(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 148 {
 149         return -1;
 150 }
 151
 152 /* This hardcoded value should go into a ldb database! */
 153 uint32_t dcesrv_common_get_disc(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 154 {
 155         return 15;
 156 }
 157
 158 /* This hardcoded value should go into a ldb database! */
 159 uint32_t dcesrv_common_get_hidden(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 160 {
 161         return 0;
 162 }
 163
 164 /* This hardcoded value should go into a ldb database! */
 165 uint32_t dcesrv_common_get_announce(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 166 {
 167         return 240;
 168 }
 169
 170 /* This hardcoded value should go into a ldb database! */
 171 uint32_t dcesrv_common_get_anndelta(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 172 {
 173         return 3000;
 174 }
 175
 176 /* This hardcoded value should go into a ldb database! */
 177 uint32_t dcesrv_common_get_licenses(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 178 {
 179         return 0;
 180 }
 181
 182 /* This hardcoded value should go into a ldb database! */
 183 const char *dcesrv_common_get_userpath(TALLOC_CTX *mem_ctx, struct dcesrv_context *dce_ctx)
 184 {
 185         return talloc_strdup(mem_ctx, "c:\\");
 186 }
 187
 188 #define INVALID_SHARE_NAME_CHARS " \"*+,./:;<=>?[\\]|"
 189
 190 bool dcesrv_common_validate_share_name(TALLOC_CTX *mem_ctx, const char *share_name)
 191 {
 192         if (strpbrk(share_name, INVALID_SHARE_NAME_CHARS)) {
 193                 return false;
 194         }
 195
 196         return true;
 197 }