+ if (WORD_STARTS("adns_af:")) {
+ ads->iflags &= ~adns_if_afmask;
+ if (!WORD_IS("any")) for (;;) {
+ const char *comma= memchr(word,',',endopt-word);
+ endword=comma?comma:endopt;
+ if (WORD_IS("ipv4"))
+ ads->iflags |= adns_if_permit_ipv4;
+ else if (WORD_IS("ipv6"))
+ ads->iflags |= adns_if_permit_ipv6;
+ else {
+ if (ads->config_report_unknown)
+ adns__diag(ads,-1,0,"%s:%d: "
+ "option adns_af has bad value or entry `%.*s' "
+ "(option must be `any', or list of `ipv4',`ipv6')",
+ fn,lno, (int)(endword-word),word);
+ break;
+ }
+ if (!comma) break;
+ word= comma+1;
+ }
+ continue;
+ }
+ if (WORD_IS("adns_ignoreunkcfg")) {
+ ads->config_report_unknown=0;
+ continue;
+ }
+ if (/* adns's query strategy is not configurable */
+ WORD_STARTS("timeout:") ||
+ WORD_STARTS("attempts:") ||
+ WORD_IS("rotate") ||
+ /* adns provides the application with knob for this */
+ WORD_IS("no-check-names") ||
+ /* adns normally does IPv6 if the application wants it; control
+ * this with the adns_af: option if you like */
+ WORD_IS("inet6") ||
+ /* adns does not do edns0 and this is not a problem */
+ WORD_IS("edns0"))
+ continue;
+ if (ads->config_report_unknown)
+ adns__diag(ads,-1,0,"%s:%d: unknown option `%.*s'", fn,lno, l,opt);