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dns-domain: fix generation of reverse IP address lookup name

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This commit is contained in:
Lennart Poettering 2014-07-16 03:28:52 +02:00
parent b9d394ea56
commit 3fe1169fe3
1 changed files with 9 additions and 5 deletions
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14
src/resolve/resolved-dns-domain.c
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@ -334,11 +334,15 @@ int dns_name_reverse(int family, const union in_addr_union *a, char **ret) {
if (family == AF_INET)
r = asprintf(ret, "%u.%u.%u.%u.in-addr.arpa", p[3], p[2], p[1], p[0]);
else if (family == AF_INET6)
r = asprintf(ret, "%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.ip6.arpa",
hexchar(p[15]), hexchar(p[14]), hexchar(p[13]), hexchar(p[12]),
hexchar(p[11]), hexchar(p[10]), hexchar(p[ 9]), hexchar(p[ 8]),
hexchar(p[ 7]), hexchar(p[ 6]), hexchar(p[ 5]), hexchar(p[ 4]),
hexchar(p[ 3]), hexchar(p[ 2]), hexchar(p[ 1]), hexchar(p[ 0]));
r = asprintf(ret, "%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.%c.ip6.arpa",
hexchar(p[15] & 0xF), hexchar(p[15] >> 4), hexchar(p[14] & 0xF), hexchar(p[14] >> 4),
hexchar(p[13] & 0xF), hexchar(p[13] >> 4), hexchar(p[12] & 0xF), hexchar(p[12] >> 4),
hexchar(p[11] & 0xF), hexchar(p[11] >> 4), hexchar(p[10] & 0xF), hexchar(p[10] >> 4),
hexchar(p[ 9] & 0xF), hexchar(p[ 9] >> 4), hexchar(p[ 8] & 0xF), hexchar(p[ 8] >> 4),
hexchar(p[ 7] & 0xF), hexchar(p[ 7] >> 4), hexchar(p[ 6] & 0xF), hexchar(p[ 6] >> 4),
hexchar(p[ 5] & 0xF), hexchar(p[ 5] >> 4), hexchar(p[ 4] & 0xF), hexchar(p[ 4] >> 4),
hexchar(p[ 3] & 0xF), hexchar(p[ 3] >> 4), hexchar(p[ 2] & 0xF), hexchar(p[ 2] >> 4),
hexchar(p[ 1] & 0xF), hexchar(p[ 1] >> 4), hexchar(p[ 0] & 0xF), hexchar(p[ 0] >> 4));
else
return -EAFNOSUPPORT;
if (r < 0)