source/wrepld/partners.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    process incoming packets - main loop
   4    Copyright (C) Jean François Micouleau      1998-2002.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22 #include "wins_repl.h"
  23
  24 /* we can exchange info with 64 partners at any given time */
  25 WINS_PARTNER current_partners[64];
  26 int total_current_partners;
  27
  28 /*******************************************************************
  29 verify if we know this partner
  30 ********************************************************************/
  31 BOOL check_partner(int assoc)
  32 {
  33         int i;
  34
  35         for (i=0; i<total_current_partners; i++)
  36                 if (current_partners[i].client_assoc==assoc)
  37                         return True;
  38
  39         return False;
  40 }
  41
  42 /*******************************************************************
  43 add a new entry to the list
  44 ********************************************************************/
  45 BOOL add_partner(int client_assoc, int server_assoc, BOOL pull, BOOL push)
  46 {
  47         if (total_current_partners==64)
  48                 return False;
  49
  50         current_partners[total_current_partners].client_assoc=client_assoc;
  51         current_partners[total_current_partners].server_assoc=server_assoc;
  52         current_partners[total_current_partners].pull_partner=pull;
  53         current_partners[total_current_partners].push_partner=push;
  54
  55         total_current_partners++;
  56
  57         return True;
  58 }
  59
  60 /*******************************************************************
  61 remove an entry to the list
  62 ********************************************************************/
  63 BOOL remove_partner(int client_assoc)
  64 {
  65         int i,j;
  66
  67         for (i=0; current_partners[i].client_assoc!=client_assoc && i<total_current_partners; i++)
  68                 ;
  69
  70         if (i==total_current_partners)
  71                 return False;
  72
  73         for (j=i+1; j<total_current_partners; j++) {
  74                 current_partners[j-1].client_assoc=current_partners[j].client_assoc;
  75                 current_partners[j-1].server_assoc=current_partners[j].server_assoc;
  76                 current_partners[j-1].pull_partner=current_partners[j].pull_partner;
  77                 current_partners[j-1].push_partner=current_partners[j].push_partner;
  78                 current_partners[j-1].partner_server.s_addr=current_partners[j].partner_server.s_addr;
  79                 current_partners[j-1].other_server.s_addr=current_partners[j].other_server.s_addr;
  80         }
  81
  82         total_current_partners--;
  83
  84         return True;
  85 }
  86
  87 /*******************************************************************
  88 link the client and server context
  89 ********************************************************************/
  90 BOOL update_server_partner(int client_assoc, int server_assoc)
  91 {
  92         int i;
  93
  94         for (i=0; i<total_current_partners; i++)
  95                 if (current_partners[i].client_assoc==client_assoc) {
  96                         current_partners[i].server_assoc=server_assoc;
  97                         return True;
  98                 }
  99
 100         return False;
 101 }
 102
 103 /*******************************************************************
 104 verify if it's a pull partner
 105 ********************************************************************/
 106 BOOL check_pull_partner(int assoc)
 107 {
 108         int i;
 109
 110         for (i=0; i<total_current_partners; i++)
 111                 if (current_partners[i].client_assoc==assoc &&
 112                     current_partners[i].pull_partner==True)
 113                         return True;
 114
 115         return False;
 116 }
 117
 118 /*******************************************************************
 119 verify if it's a push partner
 120 ********************************************************************/
 121 BOOL check_push_partner(int assoc)
 122 {
 123         int i;
 124
 125         for (i=0; i<total_current_partners; i++)
 126                 if (current_partners[i].client_assoc==assoc &&
 127                     current_partners[i].push_partner==True)
 128                         return True;
 129
 130         return False;
 131 }
 132
 133 /*******************************************************************
 134 return the server ctx linked to the client ctx
 135 ********************************************************************/
 136 int get_server_assoc(int assoc)
 137 {
 138         int i;
 139
 140         for (i=0; i<total_current_partners; i++)
 141                 if (current_partners[i].client_assoc==assoc)
 142                         return current_partners[i].server_assoc;
 143
 144         return 0;
 145 }
 146
 147
 148 /*******************************************************************
 149 link the client and server context
 150 ********************************************************************/
 151 BOOL write_server_assoc_table(int client_assoc, struct in_addr partner, struct in_addr server)
 152 {
 153         int i;
 154
 155         for (i=0; i<total_current_partners; i++)
 156                 if (current_partners[i].client_assoc==client_assoc) {
 157                         current_partners[i].partner_server=partner;
 158                         current_partners[i].other_server=server;
 159                         return True;
 160                 }
 161
 162         return False;
 163 }
 164
 165 /*******************************************************************
 166 link the client and server context
 167 ********************************************************************/
 168 BOOL get_server_assoc_table(int client_assoc, struct in_addr *partner, struct in_addr *server)
 169 {
 170         int i;
 171
 172         for (i=0; i<total_current_partners; i++)
 173                 if (current_partners[i].client_assoc==client_assoc) {
 174                         partner->s_addr=current_partners[i].partner_server.s_addr;
 175                         server->s_addr=current_partners[i].other_server.s_addr;
 176                         return True;
 177                 }
 178
 179         return False;
 180 }
 181
 182