diff options
Diffstat (limited to 'src/shared/dns-domain.c')
| -rw-r--r-- | src/shared/dns-domain.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/src/shared/dns-domain.c b/src/shared/dns-domain.c index 68404ca9e5..59475115ba 100644 --- a/src/shared/dns-domain.c +++ b/src/shared/dns-domain.c @@ -486,13 +486,15 @@ void dns_name_hash_func(const void *s, struct siphash *state) { assert(p); - while (*p) { + for (;;) { char label[DNS_LABEL_MAX+1]; int k; r = dns_label_unescape(&p, label, sizeof(label)); if (r < 0) break; + if (r == 0) + break; k = dns_label_undo_idna(label, r, label, sizeof(label)); if (k < 0) @@ -500,13 +502,9 @@ void dns_name_hash_func(const void *s, struct siphash *state) { if (k > 0) r = k; - if (r == 0) - break; - - label[r] = 0; - ascii_strlower(label); - - string_hash_func(label, state); + ascii_strlower_n(label, r); + siphash24_compress(label, r, state); + siphash24_compress_byte(0, state); /* make sure foobar and foo.bar result in different hashes */ } /* enforce that all names are terminated by the empty label */ @@ -913,19 +911,11 @@ int dns_name_to_wire_format(const char *domain, uint8_t *buffer, size_t len, boo if (r < 0) return r; - if (canonical) { - size_t i; - - /* Optionally, output the name in DNSSEC - * canonical format, as described in RFC 4034, - * section 6.2. Or in other words: in - * lower-case. */ - - for (i = 0; i < (size_t) r; i++) { - if (out[i] >= 'A' && out[i] <= 'Z') - out[i] = out[i] - 'A' + 'a'; - } - } + /* Optionally, output the name in DNSSEC canonical + * format, as described in RFC 4034, section 6.2. Or + * in other words: in lower-case. */ + if (canonical) + ascii_strlower_n((char*) out, (size_t) r); /* Fill label length, move forward */ *label_length = r; |