X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=src%2Fadns.h;h=ae0a7425dbf87b01e86c214f0927ff9fae52f82c;hp=70e743ba9a9649b6aa3017d72623aee479e1ba2e;hb=8402e34c7df0adad223cf1fa1328bb524a15d99f;hpb=350d37d91f274691a71c2d41854773a2f832cf07

diff --git a/src/adns.h b/src/adns.h
index 70e743b..ae0a742 100644
--- a/src/adns.h
+++ b/src/adns.h
@@ -10,10 +10,11 @@ typedef struct adns__state *adns_state;
 typedef struct adns__query *adns_query;
 
 typedef enum {
-  adns_if_noenv=      0x0001, /* do not look at environment */
-  adns_if_noerrprint= 0x0002, /* never print output to stderr */
-  adns_if_debug=      0x0004, /* print debugging output to stderr */
-  adns_if_noautosys=  0x0008, /* do not do full flow-of-control whenever we can */
+  adns_if_noenv=        0x0001, /* do not look at environment */
+  adns_if_noerrprint=   0x0002, /* never print output to stderr (_debug overrides) */
+  adns_if_noserverwarn= 0x0004, /* do not warn to stderr about duff nameservers etc */
+  adns_if_debug=        0x0008, /* enable all output to stderr plus debug msgs*/
+  adns_if_noautosys=    0x0010, /* do not make syscalls at every opportunity */
 } adns_initflags;
 
 typedef enum {
@@ -60,22 +61,25 @@ typedef enum {
 
 typedef enum {
   adns_s_ok,
-  adns_s_notresponding,
-  adns_s_serverfailure,
+  adns_s_timeout,
   adns_s_unknownqtype,
-  adns_s_remoteerror,
   adns_s_nolocalmem,
+  adns_s_connlost,
   adns_s_max_tempfail= 99,
+  adns_s_inconsistent, /* PTR gives domain whose A does not match */
+  adns_s_badcname, /* CNAME found where actual record expected */
+  adns_s_max_misconfig= 199;
   adns_s_nxdomain,
   adns_s_norecord,
   adns_s_invaliddomain
 } adns_status;
 
-/* In dereferenced answers, multiple addresses show up as multiple
- * answers with all the dm pointers being the same.  If no
- * address is available (permanent failure) then INADDR_NONE is
- * used.
- */
+typedef struct {
+  char *dm;
+  adns_status astatus;
+  int naddrs; /* temp fail => -1, perm fail => 0, s_ok => >0 */
+  struct in_addr *addrs;
+} adns_dmaddr;
 
 typedef struct {
   adns_status status;
@@ -83,16 +87,16 @@ typedef struct {
   adns_rrtype type;
   int nrrs;
   union {
-    struct in_addr inaddr[1];                                          /* a */
-    char (*str)[1];                     /* ns_raw, cname, ptr, ptr_raw, txt */
-    struct { char *dm; struct in_addr addr; } dmaddr;                 /* ns */
-    struct { char *a, *b; } strpair[1];                /* hinfo, rp, rp_raw */
-    struct { int pref; char *dm; struct in_addr addr; } intdmaddr[1]; /* mx */
-    struct { int pref; char *str; } intstr[1]; /* mx_raw */
+    struct in_addr inaddr[1];                                                    /* a */
+    char (*str)[1];                               /* ns_raw, cname, ptr, ptr_raw, txt */
+    adns_dmaddr dmaddr[1];                                                      /* ns */
+    struct { char *a, *b; } strpair[1];                          /* hinfo, rp, rp_raw */
+    struct { int pref; adns_dmaddrs dmaddr; } intdmaddr[1];                     /* mx */
+    struct { int pref; char *str; } intstr[1];                              /* mx_raw */
     struct {
       char *ns0, *rp;
       unsigned long serial, refresh, retry, expire, minimum;
-    } soa[1]; /* soa, soa_raw */
+    } soa[1];                                                         /* soa, soa_raw */
     /* NULL is empty */
   } rrs;
 } adns_answer;
@@ -119,13 +123,13 @@ typedef struct {
  *  ands_check and _wait set *answer to 0.
  */
 
-int adns_init(adns_state *newstate_r, adns_initflags flags);
+int adns_init(adns_state *newstate_r, adns_initflags flags, FILE *diagfile/*0=>stderr*/);
 
 int adns_synchronous(adns_state ads,
 		     const char *owner,
 		     adns_rrtype type,
 		     adns_queryflags flags,
-		     adns_answer *answer);
+		     adns_answer **answer_r);
 /* Will not return EINTR. */
 
 /* NB: if you set adns_if_noautosys then _submit and _check do not
@@ -142,13 +146,13 @@ int adns_submit(adns_state ads,
 
 int adns_check(adns_state ads,
 	       adns_query *query_io,
-	       adns_answer *answer,
-	       void *context_r);
+	       adns_answer **answer_r,
+	       void **context_r);
 
 int adns_wait(adns_state ads,
 	      adns_query *query_io,
-	      adns_answer *answer,
-	      void *context_r);
+	      adns_answer **answer_r,
+	      void **context_r);
 /* Might return EINTR - if so, try again */
 
 void adns_cancel(adns_state ads, adns_query query);