X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/61b923b38be853072bce998602c8921d469f189e..86e7b8d96483d2f55561aa76ac96e7663840b796:/src/general.c?ds=sidebyside diff --git a/src/general.c b/src/general.c index efad813..37edfa3 100644 --- a/src/general.c +++ b/src/general.c @@ -48,7 +48,9 @@ void adns__vdiag(adns_state ads, const char *pfx, adns_initflags prevent, bef, adns__diag_domain(qu->ads,-1,0, &vb,qu->flags, qu->query_dgram,qu->query_dglen,DNS_HDRSIZE), - qu->typei ? qu->typei->name : ""); + qu->typei ? qu->typei->rrtname : ""); + if (qu->typei && qu->typei->fmtname) + fprintf(stderr,"(%s)",qu->typei->fmtname); bef=", "; aft=")\n"; } @@ -159,9 +161,79 @@ const char *adns__diag_domain(adns_state ads, int serv, adns_query qu, vbuf *vb, } return vb->buf; } - + +adns_status adns_rr_info(adns_rrtype type, + const char **rrtname_r, const char **fmtname_r, + int *len_r, + const void *datap, char **data_r) { + const typeinfo *typei; + vbuf vb; + adns_status st; + + typei= adns__findtype(type); + if (!typei) return adns_s_notimplemented; + + if (rrtname_r) *rrtname_r= typei->rrtname; + if (fmtname_r) *fmtname_r= typei->fmtname; + if (len_r) *len_r= typei->rrsz; + + if (!datap) return adns_s_ok; + + adns__vbuf_init(&vb); + st= typei->convstring(&vb,datap); + if (st) goto x_freevb; + if (!adns__vbuf_append(&vb,"",1)) { st= adns_s_nolocalmem; goto x_freevb; } + assert(strlen(vb.buf) == vb.used-1); + *data_r= realloc(vb.buf,vb.used); + if (!*data_r) *data_r= vb.buf; + return adns_s_ok; + + x_freevb: + adns__vbuf_free(&vb); + return st; +} + +#define SINFO(n,s) { adns_s_##n, s } + +static const struct sinfo { + adns_status st; + const char *string; +} sinfos[]= { + SINFO( ok, "OK" ), + SINFO( timeout, "Timed out" ), + SINFO( nolocalmem, "Out of memory" ), + SINFO( allservfail, "No working nameservers" ), + SINFO( servfail, "Nameserver failure" ), + SINFO( notimplemented, "Query not implemented" ), + SINFO( refused, "Refused by nameserver" ), + SINFO( reasonunknown, "Reason unknown" ), + SINFO( norecurse, "Recursion denied by nameserver" ), + SINFO( serverfaulty, "Nameserver sent bad data" ), + SINFO( unknownreply, "Reply from nameserver not understood" ), + SINFO( invaliddata, "Invalid data" ), + SINFO( inconsistent, "Inconsistent data" ), + SINFO( cname, "RR refers to an alias" ), + SINFO( nxdomain, "No such domain" ), + SINFO( nodata, "No such data" ), + SINFO( invaliddomain, "Domain syntactically invalid" ), + SINFO( domaintoolong, "Domain name too long" ) +}; + +static int si_compar(const void *key, const void *elem) { + const adns_status *st= key; + const struct sinfo *si= elem; + + return *st < si->st ? -1 : *st > si->st ? 1 : 0; +} + const char *adns_strerror(adns_status st) { static char buf[100]; + + const struct sinfo *si; + + si= bsearch(&st,sinfos,sizeof(sinfos)/sizeof(*si),sizeof(*si),si_compar); + if (si) return si->string; + snprintf(buf,sizeof(buf),"code %d",st); return buf; }