* _intstr (mf,csp,cs)
* _manyistr (mf,cs)
* _txt (pa)
- * _inaddr (pa,dip,di)
- * _addr (pa,di,csp,cs)
+ * _inaddr (pa,cs,di, +search_sortlist, dip_genaddr)
+ * _in6addr (pa,cs,di)
+ * _addr (pa,di,csp,cs, +search_sortlist_sa, dip_sockaddr)
* _domain (pap)
* _host_raw (pa)
* _hostaddr (pap,pa,dip,di,mfp,mf,csp,cs +pap_findaddrs)
}
/*
- * _inaddr (pa,dip,di)
+ * _inaddr (pa,di,cs +search_sortlist, dip_genaddr)
*/
static adns_status pa_inaddr(const parseinfo *pai, int cbyte,
return adns_s_ok;
}
-static int search_sortlist(adns_state ads, struct in_addr ad) {
+static int search_sortlist(adns_state ads, int af, const void *ad) {
const struct sortlist *slp;
+ const struct in6_addr *a6;
+ union gen_addr a;
int i;
-
+ int v6mappedp = 0;
+
+ if (af == AF_INET6) {
+ a6 = ad;
+ if (IN6_IS_ADDR_V4MAPPED(a6)) {
+ a.v4.s_addr = htonl(((unsigned long)a6->s6_addr[12] << 24) |
+ ((unsigned long)a6->s6_addr[13] << 16) |
+ ((unsigned long)a6->s6_addr[14] << 8) |
+ ((unsigned long)a6->s6_addr[15] << 0));
+ v6mappedp = 1;
+ }
+ }
+
for (i=0, slp=ads->sortlist;
i<ads->nsortlist &&
- !((ad.s_addr & slp->mask.s_addr) == slp->base.s_addr);
+ !(af == slp->ai->af &&
+ slp->ai->matchp(ad, &slp->base, &slp->mask)) &&
+ !(v6mappedp && slp->ai->af == AF_INET &&
+ slp->ai->matchp(&a, &slp->base, &slp->mask));
i++, slp++);
return i;
}
-static int dip_inaddr(adns_state ads, struct in_addr a, struct in_addr b) {
+static int dip_genaddr(adns_state ads, int af, const void *a, const void *b) {
int ai, bi;
if (!ads->nsortlist) return 0;
- ai= search_sortlist(ads,a);
- bi= search_sortlist(ads,b);
+ ai= search_sortlist(ads,af,a);
+ bi= search_sortlist(ads,af,b);
return bi<ai;
}
static int di_inaddr(adns_state ads,
const void *datap_a, const void *datap_b) {
- const struct in_addr *ap= datap_a, *bp= datap_b;
-
- return dip_inaddr(ads,*ap,*bp);
+ return dip_genaddr(ads,AF_INET,datap_a,datap_b);
}
static adns_status cs_inaddr(vbuf *vb, const void *datap) {
}
/*
- * _addr (pa,di,csp,cs)
+ * _in6addr (pa,di,cs)
+ */
+
+static adns_status pa_in6addr(const parseinfo *pai, int cbyte,
+ int max, void *datap) {
+ struct in6_addr *storeto= datap;
+
+ if (max-cbyte != 16) return adns_s_invaliddata;
+ memcpy(storeto->s6_addr, pai->dgram + cbyte, 16);
+ return adns_s_ok;
+}
+
+static int di_in6addr(adns_state ads,
+ const void *datap_a, const void *datap_b) {
+ return dip_genaddr(ads,AF_INET6,datap_a,AF_INET6,datap_b);
+}
+
+static adns_status cs_in6addr(vbuf *vb, const void *datap) {
+ char buf[INET6_ADDRSTRLEN];
+ const char *ia;
+
+ ia= inet_ntop(AF_INET6, datap, buf, sizeof(buf)); assert(ia);
+ CSP_ADDSTR(ia);
+ return adns_s_ok;
+}
+
+/*
+ * _addr (pa,di,csp,cs, +search_sortlist_sa, dip_sockaddr)
*/
static adns_status pa_addr(const parseinfo *pai, int cbyte,
return adns_s_ok;
}
+static int search_sortlist_sa(adns_state ads, const struct sockaddr *sa)
+{
+ const struct afinfo *ai = 0;
+
+ switch (sa->sa_family) {
+ case AF_INET: ai = &adns__inet_afinfo; break;
+ case AF_INET6: ai = &adns__inet6_afinfo; break;
+ }
+ assert(ai);
+
+ return search_sortlist(ads, sa->sa_family, ai->sockaddr_to_inaddr(sa));
+}
+
+static int dip_sockaddr(adns_state ads,
+ const struct sockaddr *sa,
+ const struct sockaddr *sb)
+{
+ if (!ads->sortlist) return 0;
+ return search_sortlist_sa(ads, sa) > search_sortlist_sa(ads, sb);
+}
+
static int di_addr(adns_state ads, const void *datap_a, const void *datap_b) {
const adns_rr_addr *ap= datap_a, *bp= datap_b;
- assert(ap->addr.sa.sa_family == AF_INET);
- return dip_inaddr(ads, ap->addr.inet.sin_addr, bp->addr.inet.sin_addr);
+ return dip_sockaddr(ads, &ap->addr.sa, &bp->addr.sa);
}
static int div_addr(void *context, const void *datap_a, const void *datap_b) {
if (ap->astatus != bp->astatus) return ap->astatus;
if (ap->astatus) return 0;
- assert(ap->addrs[0].addr.sa.sa_family == AF_INET);
- assert(bp->addrs[0].addr.sa.sa_family == AF_INET);
- return dip_inaddr(ads,
- ap->addrs[0].addr.inet.sin_addr,
- bp->addrs[0].addr.inet.sin_addr);
+ return dip_sockaddr(ads, &ap->addrs[0].addr.sa, &bp->addrs[0].addr.sa);
}
static int di_hostaddr(adns_state ads,
static void icb_ptr(adns_query parent, adns_query child) {
adns_answer *cans= child->answer;
- const adns_rr_addr *queried, *found;
+ const union gen_addr *queried;
+ const unsigned char *found;
adns_state ads= parent->ads;
int i;
return;
}
- queried= &parent->ctx.info.ptr_parent_addr;
- for (i=0, found=cans->rrs.addr; i<cans->nrrs; i++, found++) {
- if (queried->len == found->len &&
- !memcmp(&queried->addr,&found->addr,queried->len)) {
+ queried= &parent->ctx.info.ptr_parent_addr.addr;
+ for (i=0, found=cans->rrs.bytes; i<cans->nrrs; i++, found += cans->rrsz) {
+ if (!memcmp(queried,found,cans->rrsz)) {
if (!parent->children.head) {
adns__query_done(parent);
return;
static adns_status pa_ptr(const parseinfo *pai, int dmstart,
int max, void *datap) {
- static const char *const (expectdomain[])= { DNS_INADDR_ARPA };
+ static const struct {
+ const afinfo *ai;
+ const char *const tail[3];
+ } expectdomain[] = {
+ { &adns__inet_afinfo, { DNS_INADDR_ARPA, 0 } },
+ { &adns__inet6_afinfo, { DNS_IP6_ARPA, 0 } }
+ };
+ enum { n_ed = sizeof(expectdomain)/sizeof(expectdomain[0]) };
char **rrp= datap;
adns_status st;
- adns_rr_addr *ap;
+ struct afinfo_addr *ap;
findlabel_state fls;
- char *ep;
- byte ipv[4];
- char labbuf[4];
- int cbyte, i, lablen, labstart, l, id;
+ byte ipv[n_ed][32];
+ int cbyte, i, j, foundj = -1, lablen, labstart, id, f, ac;
+ const char *tp;
adns_query nqu;
qcontext ctx;
if (cbyte != max) return adns_s_invaliddata;
ap= &pai->qu->ctx.info.ptr_parent_addr;
- if (!ap->len) {
+ if (!ap->ai) {
adns__findlabel_start(&fls, pai->ads, -1, pai->qu,
pai->qu->query_dgram, pai->qu->query_dglen,
pai->qu->query_dglen, DNS_HDRSIZE, 0);
- for (i=0; i<4; i++) {
+
+ f = (1 << n_ed) - 1; /* superposition of address types */
+ for (i = 0;; i++) {
st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st);
- if (lablen<=0 || lablen>3) return adns_s_querydomainwrong;
- memcpy(labbuf, pai->qu->query_dgram + labstart, lablen);
- labbuf[lablen]= 0;
- ipv[3-i]= strtoul(labbuf,&ep,10);
- if (*ep) return adns_s_querydomainwrong;
- if (lablen>1 && pai->qu->query_dgram[labstart]=='0')
- return adns_s_querydomainwrong;
+ if (lablen <= 0) break;
+ for (j = 0; j < n_ed; j++) {
+ if (!(f & (1 << j))) continue;
+ if (i < expectdomain[j].ai->nrevcomp) {
+ ac = expectdomain[j].ai->rev_parsecomp(
+ pai->qu->query_dgram + labstart, lablen);
+ if (ac < 0) goto mismatch;
+ assert(i < sizeof(ipv[j]));
+ ipv[j][i] = ac;
+ } else {
+ tp = expectdomain[j].tail[i - expectdomain[j].ai->nrevcomp];
+ if (!tp ||
+ strncmp(pai->qu->query_dgram + labstart, tp, lablen) != 0 ||
+ tp[lablen] != 0)
+ goto mismatch;
+ }
+ continue;
+
+ mismatch:
+ f &= ~(1 << j);
+ if (!f) return adns_s_querydomainwrong;
+ }
}
- for (i=0; i<sizeof(expectdomain)/sizeof(*expectdomain); i++) {
- st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st);
- l= strlen(expectdomain[i]);
- if (lablen != l ||
- memcmp(pai->qu->query_dgram + labstart, expectdomain[i], l))
- return adns_s_querydomainwrong;
+
+ if (lablen < 0) return adns_s_querydomainwrong;
+ for (j = 0; j < n_ed; j++) {
+ if (!(f & (1 << j))) continue;
+ if (i >= expectdomain[j].ai->nrevcomp &&
+ !expectdomain[j].tail[i - expectdomain[j].ai->nrevcomp])
+ { foundj = j; continue; }
+ f &= ~(1 << j);
+ if (!f) return adns_s_querydomainwrong;
}
- st= adns__findlabel_next(&fls,&lablen,0); assert(!st);
- if (lablen) return adns_s_querydomainwrong;
-
- ap->len= sizeof(struct sockaddr_in);
- memset(&ap->addr,0,sizeof(ap->addr.inet));
- ap->addr.inet.sin_family= AF_INET;
- ap->addr.inet.sin_addr.s_addr=
- htonl((ipv[0]<<24) | (ipv[1]<<16) | (ipv[2]<<8) | (ipv[3]));
+ assert(foundj >= 0 && f == (1 << foundj)); /* collapsed to a single type */
+
+ ap->ai = expectdomain[foundj].ai;
+ ap->ai->rev_mkaddr(&ap->addr, ipv[foundj]);
}
st= adns__mkquery_frdgram(pai->ads, &pai->qu->vb, &id,
pai->dgram, pai->dglen, dmstart,
- adns_r_addr, adns_qf_quoteok_query);
+ ap->ai->rrtype, adns_qf_quoteok_query);
if (st) return st;
ctx.ext= 0;
ctx.callback= icb_ptr;
memset(&ctx.info,0,sizeof(ctx.info));
- st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr),
+ st= adns__internal_submit(pai->ads, &nqu, adns__findtype(ap->ai->rrtype),
&pai->qu->vb, id,
adns_qf_quoteok_query, pai->now, &ctx);
if (st) return st;
DEEP_TYPE(mx_raw, "MX", "raw",intstr, pa_mx_raw, di_mx_raw,cs_inthost ),
DEEP_TYPE(txt, "TXT", 0, manyistr,pa_txt, 0, cs_txt ),
DEEP_TYPE(rp_raw, "RP", "raw",strpair, pa_rp, 0, cs_rp ),
+FLAT_TYPE(aaaa, "AAAA", 0, in6addr, pa_in6addr, di_in6addr,cs_in6addr ),
XTRA_TYPE(srv_raw,"SRV", "raw",srvraw , pa_srvraw, di_srv, cs_srvraw,
qdpl_srv, postsort_srv),
~mdw / adns / blobdiff