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 */
* 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
typedef struct {
adns_status status;
char *cname; /* always NULL if query was for CNAME records */
- char *owner; /* only set if requested in query flags */
+ char *owner; /* only set if requested in query flags, and may be 0 on error anyway */
adns_rrtype type; /* guaranteed to be same as in query */
time_t expires; /* expiry time, defined only if _s_ok, nxdomain or nodata. NOT TTL! */
int nrrs, rrsz; /* nrrs is 0 if an error occurs */
* requested.
*/
-int adns_init(adns_state *newstate_r, int flags /*adns_initflags*/,
+int adns_init(adns_state *newstate_r, adns_initflags flags,
FILE *diagfile /*0=>stderr*/);
-int adns_init_strcfg(adns_state *newstate_r, int flags /*adns_initflags*/,
+int adns_init_strcfg(adns_state *newstate_r, adns_initflags flags,
FILE *diagfile /*0=>discard*/, const char *configtext);
/* Configuration:
* adns_init reads /etc/resolv.conf, which is expected to be (broadly
- * speaking) in the format expected by libresolv. adns_init_strcfg
- * is instead passed a string which is interpreted as if it were the
- * contents of resolv.conf. In general, configuration which is set
- * later overrides any that is set earlier.
+ * speaking) in the format expected by libresolv, and then
+ * /etc/resolv-adns.conf if it exists. adns_init_strcfg is instead
+ * passed a string which is interpreted as if it were the contents of
+ * resolv.conf or resolv-adns.conf. In general, configuration which
+ * is set later overrides any that is set earlier.
*
- * Standard directives understood in resolv.conf:
+ * Standard directives understood in resolv[-adns].conf:
*
* nameserver <address>
* Must be followed by the IP address of a nameserver. Several
* Each option consists of an option name, followed by optionally
* a colon and a value. Options are listed below.
*
- * Non-standard directives understood in resolv.conf:
+ * Non-standard directives understood in resolv[-adns].conf:
*
* clearnameservers
* Clears the list of nameservers, so that further nameserver lines
* include <filename>
* The specified file will be read.
*
- * Additionally, adns will ignore lines in resolv.conf which start with a #.
+ * Additionally, adns will ignore lines in resolv[-adns].conf which
+ * start with a #.
*
* Standard options understood:
*
* each case there is both a FOO and an ADNS_FOO; the latter is
* interpreted later so that it can override the former. Unless
* otherwise stated, environment variables are interpreted after
- * resolv.conf is read, in the order they are listed here.
+ * resolv[-adns].conf are read, in the order they are listed here.
*
* RES_CONF, ADNS_RES_CONF
* A filename, whose contets are in the format of resolv.conf.
int adns_synchronous(adns_state ads,
const char *owner,
adns_rrtype type,
- int flags /*adns_queryflags*/,
+ adns_queryflags flags,
adns_answer **answer_r);
/* NB: if you set adns_if_noautosys then _submit and _check do not
int adns_submit(adns_state ads,
const char *owner,
adns_rrtype type,
- int flags /*adns_queryflags*/,
+ adns_queryflags flags,
void *context,
adns_query *query_r);
int adns_submit_reverse(adns_state ads,
const struct sockaddr *addr,
adns_rrtype type,
- int flags /*adns_queryflags*/,
+ adns_queryflags flags,
void *context,
adns_query *query_r);
/* type must be _r_ptr or _r_ptr_raw. _qf_search is ignored.
* 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.
~mdw / adns / blobdiff