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authorLaurent Bercot <ska-skaware@skarnet.org>2014-12-10 03:05:47 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-12-10 03:05:47 +0000
commit416ef5e2bf59bb2e45066a1d5d91ac677c0f48e5 (patch)
tree1c746d673dcec7a8488c6ac51db8245411034376 /src/libs6dns/s6dns_resolvenoq_aaaaa.c
downloads6-dns-416ef5e2bf59bb2e45066a1d5d91ac677c0f48e5.tar.xz
Initial commit
Diffstat (limited to 'src/libs6dns/s6dns_resolvenoq_aaaaa.c')
-rw-r--r--src/libs6dns/s6dns_resolvenoq_aaaaa.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/libs6dns/s6dns_resolvenoq_aaaaa.c b/src/libs6dns/s6dns_resolvenoq_aaaaa.c
new file mode 100644
index 0000000..b280fe0
--- /dev/null
+++ b/src/libs6dns/s6dns_resolvenoq_aaaaa.c
@@ -0,0 +1,50 @@
+/* ISC license. */
+
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <skalibs/tai.h>
+#include <skalibs/ip46.h>
+#include <s6-dns/s6dns-constants.h>
+#include <s6-dns/s6dns-ip46.h>
+#include <s6-dns/s6dns-domain.h>
+#include <s6-dns/s6dns-message.h>
+#include <s6-dns/s6dns-resolve.h>
+
+int s6dns_resolvenoq_aaaaa_r (genalloc *ips, char const *name, unsigned int len, s6dns_ip46list_t const *servers, s6dns_debughook_t const *dbh, tain_t const *deadline, tain_t *stamp)
+{
+ stralloc sa[2] = { STRALLOC_ZERO, STRALLOC_ZERO } ;
+ s6dns_resolve_t blob[2] ;
+ if (!s6dns_domain_fromstring_noqualify_encode(&blob[0].q, name, len)) return -1 ;
+ blob[0].qtype = S6DNS_T_AAAA ;
+ blob[0].options = S6DNS_O_RECURSIVE ;
+ blob[0].deadline = *deadline ;
+ blob[0].parsefunc = &s6dns_message_parse_answer_aaaa ;
+ blob[0].data = &sa[0] ;
+ blob[1].q = blob[0].q ;
+ blob[1].qtype = S6DNS_T_A ;
+ blob[1].options = S6DNS_O_RECURSIVE ;
+ blob[1].deadline = *deadline ;
+ blob[1].parsefunc = &s6dns_message_parse_answer_a ;
+ blob[1].data = &sa[1] ;
+ if (!s6dns_resolven_parse_r(blob, 2, servers, dbh, deadline, stamp)) return -1 ;
+ if (blob[0].status && blob[1].status) return (errno = blob[1].status, 0) ;
+ if (!genalloc_readyplus(ip46_t, ips, (sa[0].len >> 4) + (sa[1].len >> 2)))
+ {
+ stralloc_free(&sa[0]) ;
+ stralloc_free(&sa[1]) ;
+ return -1 ;
+ }
+ {
+ unsigned int n = genalloc_len(ip46_t, ips) ;
+ int e = (!!sa[0].len << 1) | !!sa[1].len ;
+ register unsigned int i = 0 ;
+ for (; i < (sa[0].len >> 4) ; i++)
+ ip46_from_ip6(genalloc_s(ip46_t, ips) + n++, sa[0].s + (i << 4)) ;
+ for (i = 0 ; i < (sa[1].len >> 2) ; i++)
+ ip46_from_ip4(genalloc_s(ip46_t, ips) + n++, sa[1].s + (i << 2)) ;
+ genalloc_setlen(ip46_t, ips, n) ;
+ stralloc_free(&sa[0]) ;
+ stralloc_free(&sa[1]) ;
+ return e ;
+ }
+}