rbl/rbl.c

   1 #include <string.h>
   2 #include <stdio.h>
   3 #include "../core/hooks.h"
   4 #include "../core/schedule.h"
   5 #include "../control/control.h"
   6 #include "../irc/irc.h"
   7 #include "../lib/irc_string.h"
   8 #include "../lib/version.h"
   9 #include "../core/config.h"
  10 #include "rbl.h"
  11
  12 MODULE_VERSION("");
  13
  14 rbl_instance *rbl_instances = NULL;
  15
  16 int registerrbl(const char *name, const rbl_ops *ops, void *udata) {
  17   rbl_instance *instance;
  18
  19   instance = malloc(sizeof(*instance));
  20
  21   if (!instance)
  22     return -1;
  23
  24   instance->name = getsstring(name, 255);
  25   instance->ops = ops;
  26   instance->udata = udata;
  27
  28   instance->next = rbl_instances;
  29   rbl_instances = instance;
  30
  31   RBL_REFRESH(instance);
  32
  33   return 0;
  34 }
  35
  36 void deregisterrblbyops(const rbl_ops *ops) {
  37   rbl_instance **pnext, *rbl;
  38
  39   for (pnext = &rbl_instances; *pnext; pnext = &((*pnext)->next)) {
  40     rbl = *pnext;
  41
  42     if (rbl->ops == ops) {
  43       RBL_DTOR(rbl);
  44       *pnext = rbl->next;
  45       freesstring(rbl->name);
  46       free(rbl);
  47
  48       if (!*pnext)
  49         break;
  50     }
  51   }
  52 }
  53
  54 static void rbl_sched_refresh(void *uarg) {
  55   rbl_instance *rbl;
  56
  57   for (rbl = rbl_instances; rbl; rbl = rbl->next)
  58     RBL_REFRESH(rbl);
  59 }
  60
  61 static void rbl_whois_cb(int hooknum, void *arg) {
  62   rbl_instance *rbl;
  63   nick *np = (nick *)arg;
  64
  65   for (rbl = rbl_instances; rbl; rbl = rbl->next) {
  66     char reason[255], message[255];
  67     if (RBL_LOOKUP(rbl, &np->ipaddress, reason, sizeof(reason)) <= 0)
  68       continue;
  69
  70      snprintf(message, sizeof(message), "RBL       : %s (%s)", rbl->name->content, reason);
  71      triggerhook(HOOK_CONTROL_WHOISREPLY, message);
  72   }
  73 }
  74
  75 void _init(void) {
  76   schedulerecurring(time(NULL)+300, 0, 300, rbl_sched_refresh, NULL);
  77   registerhook(HOOK_CONTROL_WHOISREQUEST, &rbl_whois_cb);
  78 }
  79
  80 void _fini(void) {
  81   deleteallschedules(rbl_sched_refresh);
  82   deregisterhook(HOOK_CONTROL_WHOISREQUEST, &rbl_whois_cb);
  83 }