Use struct sockaddr in several places; distinguish various places where

[adns.git] / src / adns.h

diff --git a/src/adns.h b/src/adns.h
index a80081377d31085d3ce5b64aa7df752c61270394..afcb6b4ba577047d04f1e59b58b4e8e21a0e321b 100644 (file)
--- a/src/adns.h
+++ b/src/adns.h
@@ -42,55 +42,47 @@ typedef enum {
 } adns_initflags;
 
 typedef enum {
-  adns_qf_search=     0x0001, /* use the searchlist */
-  adns_qf_usevc=      0x0002, /* use a virtual circuit (TCP connection) */
-  adns_qf_anyquote=   0x0004,
-  adns_qf_loosecname= 0x0008, /* allow refs to CNAMEs - without, get _s_cname */
-  adns_qf_nocname=    0x0010, /* don't follow CNAMEs, instead give _s_cname */
+  adns_qf_search=          0x000001, /* use the searchlist */
+  adns_qf_usevc=           0x000002, /* use a virtual circuit (TCP connection) */
+  adns_qf_quoteok_query=   0x000010, /* allow quote-requiring chars in query domain */
+  adns_qf_quoteok_cname=   0x000020, /* allow ... in CNAME we go via */
+  adns_qf_quoteok_anshost= 0x000040, /* allow ... in answers expected to be hostnames */
+  adns_qf_cname_loose=     0x000100, /* allow refs to CNAMEs - without, get _s_cname */
+  adns_qf_cname_forbid=    0x000200, /* don't follow CNAMEs, instead give _s_cname */
+  adns__qf_internalmask=   0x0ff000
 } adns_queryflags;
 
 typedef enum {
   adns__rrt_typemask=  0x0ffff,
   adns__qtf_deref=     0x10000, /* dereference domains and perhaps produce extra data */
   adns__qtf_mail822=   0x20000, /* make mailboxes be in RFC822 rcpt field format */
-  adns__qtf_masterfmt= 0x80000, /* convert RRs to master file format, return as str */
   
   adns_r_none=               0,
   
   adns_r_a=                  1,
-  adns_r_a_mf=                  adns_r_a|adns__qtf_masterfmt,
   
   adns_r_ns_raw=             2,
   adns_r_ns=                    adns_r_ns_raw|adns__qtf_deref,
-  adns_r_ns_mf=                 adns_r_ns_raw|adns__qtf_masterfmt,
   
   adns_r_cname=              5,
-  adns_r_cname_mf=              adns_r_cname|adns__qtf_masterfmt,
   
   adns_r_soa_raw=            6,
   adns_r_soa=                   adns_r_soa_raw|adns__qtf_mail822, 
-  adns_r_soa_mf=                adns_r_soa_raw|adns__qtf_masterfmt,
-  
-  adns_r_null=              10,
-  adns_r_null_mf=               adns_r_null|adns__qtf_masterfmt,
   
   adns_r_ptr_raw=           12,
   adns_r_ptr=                   adns_r_ptr_raw|adns__qtf_deref,
-  adns_r_ptr_mf=                adns_r_ptr_raw|adns__qtf_masterfmt,
   
   adns_r_hinfo=             13,  
-  adns_r_hinfo_mf=              adns_r_hinfo|adns__qtf_masterfmt,
   
   adns_r_mx_raw=            15,
   adns_r_mx=                    adns_r_mx_raw|adns__qtf_deref,
-  adns_r_mx_mf=                 adns_r_mx_raw|adns__qtf_masterfmt,
   
   adns_r_txt=               16,
-  adns_r_txt_mf=                adns_r_txt|adns__qtf_masterfmt,
   
   adns_r_rp_raw=            17,
   adns_r_rp=                    adns_r_rp_raw|adns__qtf_mail822,
-  adns_r_rp_mf=                 adns_r_rp_raw|adns__qtf_masterfmt
+
+  adns_r_addr=                  adns_r_a|adns__qtf_deref
   
 } adns_rrtype;
 
@@ -104,13 +96,12 @@ typedef enum {
  * not usually legal in domain names will be quoted as \X
  * (if the character is 33-126 except \ and ") or \DDD.
  *
- * _qtf_anyquote is ignored for _mf queries.
- *
  * Do not ask for _raw records containing mailboxes without
  * specifying _qf_anyquote.
  */
 
 typedef enum {
+  /* fixme: think about error codes */
   adns_s_ok,
   adns_s_timeout,
   adns_s_nolocalmem,
@@ -126,19 +117,28 @@ typedef enum {
   adns_s_max_tempfail= 99,
   adns_s_inconsistent, /* PTR gives domain whose A does not match */
   adns_s_cname, /* CNAME found where data eg A expected (not if _qf_loosecname) */
+  adns_s_invalidanswerdomain,
   /* fixme: implement _s_cname */
   adns_s_max_remotemisconfig= 199,
   adns_s_nxdomain,
   adns_s_nodata,
-  adns_s_invaliddomain,
+  adns_s_invalidquerydomain,
   adns_s_domaintoolong,
 } adns_status;
 
+typedef struct {
+  int len;
+  union {
+    struct sockaddr sa;
+    struct sockaddr_in inet;
+  } addr;
+} adns_addr;
+
 typedef struct {
   char *dm;
   adns_status astatus;
   int naddrs; /* temp fail => -1, perm fail => 0, s_ok => >0 */
-  struct in_addr *addrs;
+  adns_addr *addrs;
 } adns_rr_dmaddr;
 
 typedef struct {
@@ -151,6 +151,11 @@ typedef struct {
 } adns_rr_intdmaddr;
 
 typedef struct {
+  /* Used both for mx_raw, in which case i is the preference and str the domain,
+   * and for txt, in which case each entry has i for the `text' length,
+   * and str for the data (which will have had an extra nul appended
+   * so that if it was plain text it is now a null-terminated string).
+   */
   int i;
   char *str;
 } adns_rr_intstr;
@@ -168,14 +173,15 @@ typedef struct {
   union {
     void *untyped;
     unsigned char *bytes;
-    char *(*str);                  /* ns_raw, cname, ptr, ptr_raw, txt, <any>_mf */
+    char *(*str);                  /* ns_raw, cname, ptr, ptr_raw */
+    adns_rr_intstr *(*manyistr);   /* txt (list of strings ends with i=-1, str=0) */
+    adns_addr *addr;               /* addr */
     struct in_addr *inaddr;        /* a */
     adns_rr_dmaddr *dmaddr;        /* ns */
-    adns_rr_strpair *strpair;      /* hinfo, rp, rp_raw */
+    adns_rr_strpair *strpair;      /* hinfo ??fixme, rp, rp_raw */
     adns_rr_intdmaddr *intdmaddr;  /* mx */
     adns_rr_intstr *intstr;        /* mx_raw */
     adns_rr_soa *soa;              /* soa, soa_raw */
-    /* NULL is empty */
   } rrs;
 } adns_answer;