Support transport over IPv6.

[adns.git] / src / internal.h

diff --git a/src/internal.h b/src/internal.h
index 4f4f87eb0c4ddebd4f7d5b0efea01fb2cf3d6f8b..2c5a073a7ea124ca4bfe02127f951be432807785 100644 (file)
--- a/src/internal.h
+++ b/src/internal.h
@@ -69,6 +69,10 @@ typedef unsigned char byte;
 #define DNS_CLASS_IN 1
 
 #define DNS_INADDR_ARPA "in-addr", "arpa"
+#define DNS_IP6_ARPA "ip6", "arpa"
+
+#define STRINGIFY(x) REALLY_STRINGIFY(x)
+#define REALLY_STRINGIFY(x) #x
 
 #define MAX_POLLFDS  ADNS_POLLFDS_RECOMMENDED
 
@@ -121,13 +125,23 @@ typedef struct {
   int af;
   int width;
   int delim;
+  int nrevcomp;
+  int revcompwd;
+  adns_rrtype rrtype;
   void *(*sockaddr_to_inaddr)(struct sockaddr *sa);
+  int (*sockaddr_equalp)(const struct sockaddr *sa,
+                        const struct sockaddr *sb);
   void (*prefix_mask)(int len, union gen_addr *a);
   int (*guess_len)(const union gen_addr *a);
   int (*matchp)(const union gen_addr *addr,
                const union gen_addr *base, const union gen_addr *mask);
+  int (*rev_parsecomp)(const char *p, size_t n);
+  void (*rev_mkaddr)(union gen_addr *addr, const byte *ipv);
+  char *(*rev_mkname)(const struct sockaddr *sa, char *buf);
 } afinfo;
 
+struct afinfo_addr { const afinfo *ai; union gen_addr addr; };
+
 typedef struct typeinfo {
   adns_rrtype typekey;
   const char *rrtname;
@@ -207,7 +221,7 @@ typedef struct {
   void *ext;
   void (*callback)(adns_query parent, adns_query child);
   union {
-    adns_rr_addr ptr_parent_addr;
+    struct afinfo_addr ptr_parent_addr;
     adns_rr_hostaddr *hostaddr;
   } info;
 } qcontext;
@@ -322,6 +336,8 @@ struct adns__query {
 
 struct query_queue { adns_query head, tail; };
 
+#define MAXUDP 2
+
 struct adns__state {
   adns_initflags iflags;
   adns_logcallbackfn *logfn;
@@ -329,7 +345,9 @@ struct adns__state {
   int configerrno;
   struct query_queue udpw, tcpw, childw, output;
   adns_query forallnext;
-  int nextid, udpsocket, tcpsocket;
+  int nextid, tcpsocket;
+  struct udpsocket { const afinfo *ai; int fd; } udpsocket[MAXUDP];
+  int nudp;
   vbuf tcpsend, tcprecv;
   int nservers, nsortlist, nsearchlist, searchndots, tcpserver, tcprecv_skip;
   enum adns__tcpstate {
@@ -345,9 +363,7 @@ struct adns__state {
   struct sigaction stdsigpipe;
   sigset_t stdsigmask;
   struct pollfd pollfds_buf[MAX_POLLFDS];
-  struct server {
-    struct in_addr addr;
-  } servers[MAXSERVERS];
+  adns_rr_addr servers[MAXSERVERS];
   struct sortlist {
     const afinfo *ai;
     union gen_addr base, mask;
@@ -366,6 +382,7 @@ int adns__setnonblock(adns_state ads, int fd); /* => errno value */
 
 /* From general.c: */
 
+const char *adns__sockaddr_ntoa(struct sockaddr *sa, size_t n);
 void adns__vlprintf(adns_state ads, const char *fmt, va_list al);
 void adns__lprintf(adns_state ads, const char *fmt,
                   ...) PRINTFFORMAT(2,3);