include/res.h

   1 /*
   2  * res.h for referencing functions in res.c, reslib.c
   3  *
   4  * $Id: res.h 2023 2006-09-02 23:47:27Z jilles $
   5  */
   6
   7 #ifndef _CHARYBDIS_RES_H
   8 #define _CHARYBDIS_RES_H
   9
  10 #include "ircd_defs.h"
  11 #include "common.h"
  12 #include "commio.h"
  13 #include "reslib.h"
  14 #include "irc_string.h"
  15 #include "sprintf_irc.h"
  16 #include "ircd.h"
  17
  18 /* Maximum number of nameservers in /etc/resolv.conf we care about
  19  * In hybrid, this was 2 -- but in Charybdis, we want to track
  20  * a few more than that ;) --nenolod
  21  */
  22 #define IRCD_MAXNS 10
  23
  24 struct DNSReply
  25 {
  26   char *h_name;
  27   struct irc_sockaddr_storage addr;
  28 };
  29
  30 struct DNSQuery
  31 {
  32   void *ptr; /* pointer used by callback to identify request */
  33   void (*callback)(void* vptr, struct DNSReply *reply); /* callback to call */
  34 };
  35
  36 extern struct irc_sockaddr_storage irc_nsaddr_list[];
  37 extern int irc_nscount;
  38
  39 extern void init_resolver(void);
  40 extern void restart_resolver(void);
  41 extern void delete_resolver_queries(const struct DNSQuery *);
  42 extern void gethost_byname_type(const char *, struct DNSQuery *, int);
  43 extern void gethost_byaddr(const struct irc_sockaddr_storage *, struct DNSQuery *);
  44 extern void add_local_domain(char *, size_t);
  45 extern void report_dns_servers(struct Client *);
  46
  47 #endif