X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fadns.h;h=343501d109e9435fe67f131d6e1c8bcee60084b6;hb=06f8e611d7be5a4c745396f423ab5cd6cdc6bfdd;hp=6643864eb377d0e944c5e1f6f048723d3fc68f74;hpb=4b2c4f8a37e33604c1aeddafe49b7c33089692a4;p=adns.git

diff --git a/src/adns.h b/src/adns.h
index 6643864..343501d 100644
--- a/src/adns.h
+++ b/src/adns.h
@@ -90,7 +90,7 @@ typedef enum {
   adns_qf_search=          0x00000001, /* use the searchlist */
   adns_qf_usevc=           0x00000002, /* use a virtual circuit (TCP connection) */
   adns_qf_owner=           0x00000004, /* fill in the owner field in the answer */
-  adns_qf_quoteok_query=   0x00000010, /* allow quote-requiring chars in query domain */
+  adns_qf_quoteok_query=   0x00000010, /* allow special chars in query domain */
   adns_qf_quoteok_cname=   0x00000000, /* allow ... in CNAME we go via - now default */
   adns_qf_quoteok_anshost= 0x00000040, /* allow ... in things supposed to be hostnames */
   adns_qf_quotefail_cname= 0x00000080, /* refuse if quote-req chars in CNAME we go via */
@@ -142,11 +142,19 @@ typedef enum {
  * In queries _with_ qf_quoteok_*, domains in the query or response
  * may contain any characters, quoted according to RFC1035 5.1.  On
  * input to adns, the char* is a pointer to the interior of a "
- * delimited string, except that " may appear in it, and on output,
- * the char* is a pointer to a string which would be legal either
- * inside or outside " delimiters, and any characters not usually
- * legal in domain names will be quoted as \X (if the character is
- * 33-126 except \ and ") or \DDD.
+ * delimited string, except that " may appear in it unquoted.  On
+ * output, the char* is a pointer to a string which would be legal
+ * either inside or outside " delimiters; any character which isn't
+ * legal in a hostname (ie alphanumeric or hyphen) or one of _ / +
+ * (the three other punctuation characters commonly abused in domain
+ * names) will be quoted, as \X if it is a printing ASCII character or
+ * \DDD otherwise.
+ *
+ * (The characters which will be unquoted are the printing 7-bit ASCII
+ * characters except the punctuation characters " ( ) @ ; $ \
+
+ * I.e. unquoted characters are alphanumerics, and the following
+ * punctuation characters:  ! # % ^ & * - _ = + [ ] { } 
  *
  * If the query goes via a CNAME then the canonical name (ie, the
  * thing that the CNAME record refers to) is usually allowed to
@@ -503,6 +511,19 @@ int adns_submit_reverse(adns_state ads,
  * addr->sa_family must be AF_INET or you get ENOSYS.
  */
 
+int adns_submit_reverse_any(adns_state ads,
+			    const struct sockaddr *addr,
+			    const char *rzone,
+			    adns_rrtype type,
+			    adns_queryflags flags,
+			    void *context,
+			    adns_query *query_r);
+/* For RBL-style reverse `zone's; look up
+ *   <reversed-address>.<zone>
+ * Any type is allowed.  _qf_search is ignored.
+ * addr->sa_family must be AF_INET or you get ENOSYS.
+ */
+
 void adns_finish(adns_state ads);
 /* You may call this even if you have queries outstanding;
  * they will be cancelled.
@@ -642,7 +663,7 @@ void adns_beforeselect(adns_state ads, int *maxfd, fd_set *readfds,
  * for adns_firsttimeout.  readfds, writefds, exceptfds and maxfd_io may
  * not be 0.
  *
- * If *now is not 0 then this will never actually do any I/O, or
+ * If now is not 0 then this will never actually do any I/O, or
  * change the fds that adns is using or the timeouts it wants.  In any
  * case it won't block.
  */
@@ -789,9 +810,9 @@ adns_status adns_rr_info(adns_rrtype type,
  * hostname, as usual, followed by the adns_status value, as an
  * abbreviation, and then a descriptive string (encoded as if it were
  * a piece of text), for the address lookup, followed by zero or more
- * addresses enclosed in ( and ).  If the result was a permanent
+ * addresses enclosed in ( and ).  If the result was a temporary
  * failure, then a single ?  appears instead of the ( ).  If the
- * result was a temporary failure then an empty pair of parentheses
+ * result was a permanent failure then an empty pair of parentheses
  * appears (which a space in between).  For example, one of the NS
  * records for greenend.org.uk comes out like
  *  ns.chiark.greenend.org.uk ok "OK" ( INET 195.224.76.132 )