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