trusts/trusts_policy.c

   1 #include "../core/hooks.h"
   2 #include "../control/control.h"
   3 #include "trusts.h"
   4
   5 static int countext;
   6
   7 static void policycheck(int hooknum, void *arg) {
   8   void **args = arg;
   9   nick *np = args[0];
  10   long moving = (long)args[1];
  11   trusthost *th = gettrusthost(np);
  12   trustgroup *tg;
  13
  14   if(moving)
  15     return;
  16
  17   if(!th) {
  18     if(np->ipnode->usercount > 5)
  19       controlwall(NO_OPER, NL_TRUSTS, "Hard limit exceeded on IP: %s (untrusted) %d connected, 5 max.", IPtostr(np->p_ipaddr), np->ipnode->usercount);
  20     return;
  21   }
  22
  23   tg = th->group;
  24   /*
  25    * the purpose of this logic is to avoid spam like this:
  26    * WARNING: tgX exceeded limit: 11 connected vs 10 max
  27    * (goes back down to 10)
  28    * WARNING: tgX exceeded limit: 11 connected vs 10 max
  29    */
  30
  31   if(hooknum == HOOK_TRUSTS_NEWNICK) {
  32     if(tg->count > tg->maxusage) {
  33       if(tg->count > (long)tg->exts[countext]) {
  34         tg->exts[countext] = (void *)(long)tg->count;
  35
  36         controlwall(NO_OPER, NL_TRUSTS, "Hard limit exceeded: '%s', %d connected, %d max.", tg->name->content, tg->count, tg->maxusage);
  37       }
  38     }
  39   } else {
  40     if(tg->count < tg->maxusage)
  41       tg->exts[countext] = (void *)(long)tg->count;
  42   }
  43 }
  44
  45 void _init(void) {
  46   countext = registertgext("count");
  47   if(countext == -1)
  48     return;
  49
  50   registerhook(HOOK_TRUSTS_NEWNICK, policycheck);
  51   registerhook(HOOK_TRUSTS_LOSTNICK, policycheck);
  52 }
  53
  54 void _fini(void) {
  55   if(countext == -1)
  56     return;
  57
  58   releasetgext(countext);
  59
  60   deregisterhook(HOOK_TRUSTS_NEWNICK, policycheck);
  61   deregisterhook(HOOK_TRUSTS_LOSTNICK, policycheck);
  62 }